V4L/DVB: cx25821: Removed duplicate code and cleaned up

Signed-off-by: Palash Bandyopadhyay <Palash.Bandyopadhyay@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/cx25821/Makefile

@@ -1,9 +1,8 @@
-cx25821-objs	:= cx25821-core.o cx25821-cards.o cx25821-i2c.o cx25821-gpio.o 				\
-				cx25821-medusa-video.o cx25821-video.o cx25821-video0.o cx25821-video1.o    \
-				cx25821-video2.o cx25821-video3.o cx25821-video4.o cx25821-video5.o         \
-				cx25821-video6.o cx25821-video7.o cx25821-vidups9.o cx25821-vidups10.o      \
-				cx25821-audups11.o cx25821-video-upstream.o cx25821-video-upstream-ch2.o 	\
-				cx25821-audio-upstream.o cx25821-videoioctl.o
+cx25821-objs   := cx25821-core.o cx25821-cards.o cx25821-i2c.o \
+                       cx25821-gpio.o cx25821-medusa-video.o \
+                       cx25821-video.o cx25821-video-upstream.o \
+                       cx25821-video-upstream-ch2.o \
+                       cx25821-audio-upstream.o
 
 obj-$(CONFIG_VIDEO_CX25821) += cx25821.o
 obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o

drivers/staging/cx25821/cx25821-audio-upstream.c

@@ -106,7 +106,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
 {
 	unsigned int line;
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[dev->_audio_upstream_channel_select];
+           dev->channels[dev->_audio_upstream_channel_select].sram_channels;
 	int offset = 0;
 
 	/* scan lines */
@@ -217,7 +217,7 @@ void cx25821_free_memory_audio(struct cx25821_dev *dev)
 void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
 {
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B];
+           dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
 	u32 tmp = 0;
 
 	if (!dev->_audio_is_running) {
@@ -353,8 +353,9 @@ static void cx25821_audioups_handler(struct work_struct *work)
 	}
 
 	cx25821_get_audio_data(dev,
-			       &dev->sram_channels[dev->
-						   _audio_upstream_channel_select]);
+                              dev->channels[dev->
+                                       _audio_upstream_channel_select].
+                                       sram_channels);
 }
 
 int cx25821_openfile_audio(struct cx25821_dev *dev,
@@ -505,7 +506,7 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
 {
 	int i = 0;
 	u32 int_msk_tmp;
-	struct sram_channel *channel = &dev->sram_channels[chan_num];
+       struct sram_channel *channel = dev->channels[chan_num].sram_channels;
 	dma_addr_t risc_phys_jump_addr;
 	__le32 *rp;
 
@@ -607,7 +608,8 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
 	if (!dev)
 		return -1;
 
-	sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];
+       sram_ch = dev->channels[dev->_audio_upstream_channel_select].
+                                       sram_channels;
 
 	msk_stat = cx_read(sram_ch->int_mstat);
 	audio_status = cx_read(sram_ch->int_stat);
@@ -731,7 +733,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
 	}
 
 	dev->_audio_upstream_channel_select = channel_select;
-	sram_ch = &dev->sram_channels[channel_select];
+       sram_ch = dev->channels[channel_select].sram_channels;
 
 	/* Work queue */
 	INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler);

drivers/staging/cx25821/cx25821-audio.h

@@ -27,24 +27,25 @@
 #define LINES_PER_BUFFER            15
 #define AUDIO_LINE_SIZE             128
 
-//Number of buffer programs to use at once.
+/* Number of buffer programs to use at once. */
 #define NUMBER_OF_PROGRAMS  8
 
-//Max size of the RISC program for a buffer. - worst case is 2 writes per line
-// Space is also added for the 4 no-op instructions added on the end.
-
+/*
+  Max size of the RISC program for a buffer. - worst case is 2 writes per line
+  Space is also added for the 4 no-op instructions added on the end.
+*/
 #ifndef USE_RISC_NOOP
 #define MAX_BUFFER_PROGRAM_SIZE     \
     (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4)
 #endif
 
-// MAE 12 July 2005 Try to use NOOP RISC instruction instead
+/* MAE 12 July 2005 Try to use NOOP RISC instruction instead */
 #ifdef USE_RISC_NOOP
 #define MAX_BUFFER_PROGRAM_SIZE     \
     (2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4)
 #endif
 
-//Sizes of various instructions in bytes.  Used when adding instructions.
+/* Sizes of various instructions in bytes.  Used when adding instructions. */
 #define RISC_WRITE_INSTRUCTION_SIZE 12
 #define RISC_JUMP_INSTRUCTION_SIZE  12
 #define RISC_SKIP_INSTRUCTION_SIZE  4

drivers/staging/cx25821/cx25821-audups11.c

@@ -1,420 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/slab.h>
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH11]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = 10;
-	fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO11))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-		return POLLIN | POLLRDNORM;
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	//cx_write(channel11->dma_ctl, 0);
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO11);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO11)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO11);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->width = f->fmt.pix.width;
-	fh->height = f->fmt.pix.height;
-	fh->vidq.field = f->fmt.pix.field;
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-	return 0;
-}
-
-static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
-				   unsigned long arg)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-	int command = 0;
-	struct upstream_user_struct *data_from_user;
-
-	data_from_user = (struct upstream_user_struct *)arg;
-
-	if (!data_from_user) {
-		printk
-		    ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
-		     __func__);
-		return 0;
-	}
-
-	command = data_from_user->command;
-
-	if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) {
-		return 0;
-	}
-
-	dev->input_filename = data_from_user->input_filename;
-	dev->input_audiofilename = data_from_user->input_filename;
-	dev->vid_stdname = data_from_user->vid_stdname;
-	dev->pixel_format = data_from_user->pixel_format;
-	dev->channel_select = data_from_user->channel_select;
-	dev->command = data_from_user->command;
-
-	switch (command) {
-	case UPSTREAM_START_AUDIO:
-		cx25821_start_upstream_audio(dev, data_from_user);
-		break;
-
-	case UPSTREAM_STOP_AUDIO:
-		cx25821_stop_upstream_audio(dev);
-		break;
-	}
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	struct cx25821_fh *fh = priv;
-	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev;
-	int err;
-
-	if (fh) {
-		dev = fh->dev;
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-	return 0;
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl_upstream11,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template11 = {
-	.name = "cx25821-audioupstream",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-core.c

@@ -781,14 +781,14 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
 
 	/* Disable Video A/B activity */
 	for (i = 0; i < VID_CHANNEL_NUM; i++) {
-		cx_write(dev->sram_channels[i].dma_ctl, 0);
-		cx_write(dev->sram_channels[i].int_msk, 0);
+               cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
+               cx_write(dev->channels[i].sram_channels->int_msk, 0);
 	}
 
 	for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
 	     i++) {
-		cx_write(dev->sram_channels[i].dma_ctl, 0);
-		cx_write(dev->sram_channels[i].int_msk, 0);
+               cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
+               cx_write(dev->channels[i].sram_channels->int_msk, 0);
 	}
 
 	/* Disable Audio activity */
@@ -805,12 +805,10 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
 void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select,
 			      u32 format)
 {
-	struct sram_channel *ch;
-
 	if (channel_select <= 7 && channel_select >= 0) {
-		ch = &cx25821_sram_channels[channel_select];
-		cx_write(ch->pix_frmt, format);
-		dev->pixel_formats[channel_select] = format;
+               cx_write(dev->channels[channel_select].
+                               sram_channels->pix_frmt, format);
+               dev->channels[channel_select].pixel_formats = format;
 	}
 }
 
@@ -831,7 +829,7 @@ static void cx25821_initialize(struct cx25821_dev *dev)
 	cx_write(PCI_INT_STAT, 0xffffffff);
 
 	for (i = 0; i < VID_CHANNEL_NUM; i++)
-		cx_write(dev->sram_channels[i].int_stat, 0xffffffff);
+               cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff);
 
 	cx_write(AUD_A_INT_STAT, 0xffffffff);
 	cx_write(AUD_B_INT_STAT, 0xffffffff);
@@ -845,21 +843,22 @@ static void cx25821_initialize(struct cx25821_dev *dev)
 	mdelay(100);
 
 	for (i = 0; i < VID_CHANNEL_NUM; i++) {
-		cx25821_set_vip_mode(dev, &dev->sram_channels[i]);
-		cx25821_sram_channel_setup(dev, &dev->sram_channels[i], 1440,
-					   0);
-		dev->pixel_formats[i] = PIXEL_FRMT_422;
-		dev->use_cif_resolution[i] = FALSE;
+               cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
+               cx25821_sram_channel_setup(dev, dev->channels[i].sram_channels,
+                                               1440, 0);
+               dev->channels[i].pixel_formats = PIXEL_FRMT_422;
+               dev->channels[i].use_cif_resolution = FALSE;
 	}
 
 	/* Probably only affect Downstream */
 	for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
 	     i++) {
-		cx25821_set_vip_mode(dev, &dev->sram_channels[i]);
+               cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
 	}
 
-	cx25821_sram_channel_setup_audio(dev, &dev->sram_channels[SRAM_CH08],
-					 128, 0);
+       cx25821_sram_channel_setup_audio(dev,
+                               dev->channels[SRAM_CH08].sram_channels,
+                               128, 0);
 
 	cx25821_gpio_init(dev);
 }
@@ -902,21 +901,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
 {
 	int io_size = 0, i;
 
-	struct video_device *video_template[] = {
-		&cx25821_video_template0,
-		&cx25821_video_template1,
-		&cx25821_video_template2,
-		&cx25821_video_template3,
-		&cx25821_video_template4,
-		&cx25821_video_template5,
-		&cx25821_video_template6,
-		&cx25821_video_template7,
-		&cx25821_video_template9,
-		&cx25821_video_template10,
-		&cx25821_video_template11,
-		&cx25821_videoioctl_template,
-	};
-
 	printk(KERN_INFO "\n***********************************\n");
 	printk(KERN_INFO "cx25821 set up\n");
 	printk(KERN_INFO "***********************************\n\n");
@@ -947,7 +931,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
 
 	/* Apply a sensible clock frequency for the PCIe bridge */
 	dev->clk_freq = 28000000;
-	dev->sram_channels = cx25821_sram_channels;
+       for (i = 0; i < MAX_VID_CHANNEL_NUM; i++)
+               dev->channels[i].sram_channels = &cx25821_sram_channels[i];
 
 	if (dev->nr > 1)
 		CX25821_INFO("dev->nr > 1!");
@@ -970,7 +955,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
 	dev->i2c_bus[0].reg_wdata = I2C1_WDATA;
 	dev->i2c_bus[0].i2c_period = (0x07 << 24);	/* 1.95MHz */
 
-
 	if (cx25821_get_resources(dev) < 0) {
 		printk(KERN_ERR "%s No more PCIe resources for "
 		       "subsystem: %04x:%04x\n",
@@ -1018,37 +1002,24 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
 		     dev->i2c_bus[0].i2c_rc);
 
 	cx25821_card_setup(dev);
-	medusa_video_init(dev);
 
-	for (i = 0; i < VID_CHANNEL_NUM; i++) {
-		if (cx25821_video_register(dev, i, video_template[i]) < 0) {
-			printk(KERN_ERR
-			       "%s() Failed to register analog video adapters on VID channel %d\n",
-			       __func__, i);
-		}
-	}
+       if (medusa_video_init(dev) < 0)
+               CX25821_ERR("%s() Failed to initialize medusa!\n"
+               , __func__);
 
-	for (i = VID_UPSTREAM_SRAM_CHANNEL_I;
-	     i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) {
-		/* Since we don't have template8 for Audio Downstream */
-		if (cx25821_video_register(dev, i, video_template[i - 1]) < 0) {
-			printk(KERN_ERR
-			       "%s() Failed to register analog video adapters for Upstream channel %d.\n",
-			       __func__, i);
-		}
-	}
+       cx25821_video_register(dev);
 
 	/* register IOCTL device */
 	dev->ioctl_dev =
-	    cx25821_vdev_init(dev, dev->pci, video_template[VIDEO_IOCTL_CH],
+           cx25821_vdev_init(dev, dev->pci, &cx25821_videoioctl_template,
 			      "video");
 
 	if (video_register_device
 	    (dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0) {
 		cx25821_videoioctl_unregister(dev);
 		printk(KERN_ERR
-		       "%s() Failed to register video adapter for IOCTL so releasing.\n",
-		       __func__);
+                   "%s() Failed to register video adapter for IOCTL, so \
+                   unregistering videoioctl device.\n", __func__);
 	}
 
 	cx25821_dev_checkrevision(dev);
@@ -1371,7 +1342,8 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
 
 	for (i = 0; i < VID_CHANNEL_NUM; i++) {
 		if (pci_status & mask[i]) {
-			vid_status = cx_read(dev->sram_channels[i].int_stat);
+                       vid_status = cx_read(dev->channels[i].
+                               sram_channels->int_stat);
 
 			if (vid_status)
 				handled +=

drivers/staging/cx25821/cx25821-i2c.c

@@ -282,6 +282,9 @@ static u32 cx25821_functionality(struct i2c_adapter *adap)
 static struct i2c_algorithm cx25821_i2c_algo_template = {
 	.master_xfer = i2c_xfer,
 	.functionality = cx25821_functionality,
+#ifdef NEED_ALGO_CONTROL
+       .algo_control = dummy_algo_control,
+#endif
 };
 
 static struct i2c_adapter cx25821_i2c_adap_template = {

drivers/staging/cx25821/cx25821-medusa-defines.h

@@ -23,7 +23,7 @@
 #ifndef _MEDUSA_DEF_H_
 #define _MEDUSA_DEF_H_
 
-// Video deocder that we supported
+/* Video deocder that we supported */
 #define VDEC_A		0
 #define VDEC_B		1
 #define VDEC_C		2
@@ -33,19 +33,10 @@
 #define VDEC_G		6
 #define VDEC_H		7
 
-//#define AUTO_SWITCH_BIT[]  = { 8, 9, 10, 11, 12, 13, 14, 15 };
-
-// The following bit position enables automatic source switching for decoder A-H.
-// Display index per camera.
-//#define VDEC_INDEX[] = {0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7};
-
-// Select input bit to video decoder A-H.
-//#define CH_SRC_SEL_BIT[] = {24, 25, 26, 27, 28, 29, 30, 31};
-
-// end of display sequence
+/* end of display sequence */
 #define END_OF_SEQ					0xF;
 
-// registry string size
+/* registry string size */
 #define MAX_REGISTRY_SZ					40;
 
 #endif

drivers/staging/cx25821/cx25821-medusa-reg.h

@@ -23,11 +23,11 @@
 #ifndef __MEDUSA_REGISTERS__
 #define __MEDUSA_REGISTERS__
 
-// Serial Slave Registers
+/* Serial Slave Registers */
 #define	HOST_REGISTER1				0x0000
 #define	HOST_REGISTER2				0x0001
 
-// Chip Configuration Registers
+/* Chip Configuration Registers */
 #define	CHIP_CTRL					0x0100
 #define	AFE_AB_CTRL					0x0104
 #define	AFE_CD_CTRL					0x0108
@@ -92,7 +92,7 @@
 #define	ABIST_CLAMP_E				0x01F4
 #define	ABIST_CLAMP_F				0x01F8
 
-//              Digital Video Encoder A Registers
+/*              Digital Video Encoder A Registers */
 #define	DENC_A_REG_1					0x0200
 #define	DENC_A_REG_2					0x0204
 #define	DENC_A_REG_3					0x0208
@@ -102,7 +102,7 @@
 #define	DENC_A_REG_7					0x0218
 #define	DENC_A_REG_8					0x021C
 
-//      Digital Video Encoder B Registers
+/*      Digital Video Encoder B Registers */
 #define	DENC_B_REG_1					0x0300
 #define	DENC_B_REG_2					0x0304
 #define	DENC_B_REG_3					0x0308
@@ -112,7 +112,7 @@
 #define	DENC_B_REG_7					0x0318
 #define	DENC_B_REG_8					0x031C
 
-//              Video Decoder A Registers
+/*              Video Decoder A Registers */
 #define	MODE_CTRL						0x1000
 #define	OUT_CTRL1						0x1004
 #define	OUT_CTRL_NS						0x1008
@@ -153,7 +153,7 @@
 #define	VERSION							0x11F8
 #define	SOFT_RST_CTRL					0x11FC
 
-//      Video Decoder B Registers
+/*      Video Decoder B Registers */
 #define	VDEC_B_MODE_CTRL				0x1200
 #define	VDEC_B_OUT_CTRL1				0x1204
 #define	VDEC_B_OUT_CTRL_NS				0x1208
@@ -194,7 +194,7 @@
 #define	VDEC_B_VERSION					0x13F8
 #define	VDEC_B_SOFT_RST_CTRL			0x13FC
 
-// Video Decoder C Registers
+/* Video Decoder C Registers */
 #define	VDEC_C_MODE_CTRL				0x1400
 #define	VDEC_C_OUT_CTRL1				0x1404
 #define	VDEC_C_OUT_CTRL_NS				0x1408
@@ -235,7 +235,7 @@
 #define	VDEC_C_VERSION					0x15F8
 #define	VDEC_C_SOFT_RST_CTRL			0x15FC
 
-// Video Decoder D Registers
+/* Video Decoder D Registers */
 #define VDEC_D_MODE_CTRL				0x1600
 #define VDEC_D_OUT_CTRL1				0x1604
 #define VDEC_D_OUT_CTRL_NS				0x1608
@@ -276,7 +276,7 @@
 #define VDEC_D_VERSION					0x17F8
 #define VDEC_D_SOFT_RST_CTRL			0x17FC
 
-// Video Decoder E Registers
+/* Video Decoder E Registers */
 #define	VDEC_E_MODE_CTRL				0x1800
 #define	VDEC_E_OUT_CTRL1				0x1804
 #define	VDEC_E_OUT_CTRL_NS				0x1808
@@ -317,7 +317,7 @@
 #define	VDEC_E_VERSION					0x19F8
 #define	VDEC_E_SOFT_RST_CTRL			0x19FC
 
-// Video Decoder F Registers
+/* Video Decoder F Registers */
 #define	VDEC_F_MODE_CTRL				0x1A00
 #define	VDEC_F_OUT_CTRL1				0x1A04
 #define	VDEC_F_OUT_CTRL_NS				0x1A08
@@ -358,7 +358,7 @@
 #define	VDEC_F_VERSION					0x1BF8
 #define	VDEC_F_SOFT_RST_CTRL			0x1BFC
 
-// Video Decoder G Registers
+/* Video Decoder G Registers */
 #define	VDEC_G_MODE_CTRL				0x1C00
 #define	VDEC_G_OUT_CTRL1				0x1C04
 #define	VDEC_G_OUT_CTRL_NS				0x1C08
@@ -399,7 +399,7 @@
 #define	VDEC_G_VERSION					0x1DF8
 #define	VDEC_G_SOFT_RST_CTRL			0x1DFC
 
-//              Video Decoder H Registers
+/*              Video Decoder H Registers  */
 #define	VDEC_H_MODE_CTRL				0x1E00
 #define	VDEC_H_OUT_CTRL1				0x1E04
 #define	VDEC_H_OUT_CTRL_NS				0x1E08
@@ -440,14 +440,14 @@
 #define	VDEC_H_VERSION					0x1FF8
 #define	VDEC_H_SOFT_RST_CTRL			0x1FFC
 
-//*****************************************************************************
-// LUMA_CTRL register fields
+/*****************************************************************************/
+/* LUMA_CTRL register fields */
 #define VDEC_A_BRITE_CTRL				0x1014
 #define VDEC_A_CNTRST_CTRL       		0x1015
 #define VDEC_A_PEAK_SEL          		0x1016
 
-//*****************************************************************************
-// CHROMA_CTRL register fields
+/*****************************************************************************/
+/* CHROMA_CTRL register fields */
 #define VDEC_A_USAT_CTRL         		0x1018
 #define VDEC_A_VSAT_CTRL         		0x1019
 #define VDEC_A_HUE_CTRL          		0x101A

drivers/staging/cx25821/cx25821-medusa-video.c

@@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
 
 int medusa_video_init(struct cx25821_dev *dev)
 {
-	u32 value, tmp = 0;
-	int ret_val;
-	int i;
+       u32 value = 0, tmp = 0;
+       int ret_val = 0;
+       int i = 0;
 
 	mutex_lock(&dev->lock);
 
@@ -790,6 +790,7 @@ int medusa_video_init(struct cx25821_dev *dev)
 	value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
 	value &= 0xFFFFF0FF;
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
+
 	if (ret_val < 0)
 		goto error;
 
@@ -797,6 +798,7 @@ int medusa_video_init(struct cx25821_dev *dev)
 	value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
 	value &= 0xFFFFFFDF;
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
+
 	if (ret_val < 0)
 		goto error;
 
@@ -812,6 +814,7 @@ int medusa_video_init(struct cx25821_dev *dev)
 	value &= 0xFF70FF70;
 	value |= 0x00090008;	/* set en_active */
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value);
+
 	if (ret_val < 0)
 		goto error;
 
@@ -826,8 +829,10 @@ int medusa_video_init(struct cx25821_dev *dev)
 	/* select AFE clock to output mode */
 	value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
 	value &= 0x83FFFFFF;
-	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL,
-				    value | 0x10000000);
+       ret_val =
+           cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL,
+                             value | 0x10000000);
+
 	if (ret_val < 0)
 		goto error;
 
@@ -849,12 +854,15 @@ int medusa_video_init(struct cx25821_dev *dev)
 
 	value |= 7;
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value);
+
 	if (ret_val < 0)
 		goto error;
 
+
 	mutex_unlock(&dev->lock);
 
 	ret_val = medusa_set_videostandard(dev);
+
 	return ret_val;
 
 error:

drivers/staging/cx25821/cx25821-medusa-video.h

@@ -25,7 +25,7 @@
 
 #include "cx25821-medusa-defines.h"
 
-// Color control constants
+/* Color control constants */
 #define VIDEO_PROCAMP_MIN                 0
 #define VIDEO_PROCAMP_MAX                 10000
 #define UNSIGNED_BYTE_MIN                 0
@@ -33,7 +33,7 @@
 #define SIGNED_BYTE_MIN                   -128
 #define SIGNED_BYTE_MAX                   127
 
-// Default video color settings
+/* Default video color settings */
 #define SHARPNESS_DEFAULT                 50
 #define SATURATION_DEFAULT              5000
 #define BRIGHTNESS_DEFAULT              6200

drivers/staging/cx25821/cx25821-reg.h

@@ -48,17 +48,17 @@
 #define RISC_SYNC_EVEN_VBI	 0x00000207
 #define RISC_NOOP			 0xF0000000
 
-//*****************************************************************************
-// ASB SRAM
-//*****************************************************************************
+/*****************************************************************************
+* ASB SRAM
+ *****************************************************************************/
 #define  TX_SRAM                   0x000000	// Transmit SRAM
 
-//*****************************************************************************
+/*****************************************************************************/
 #define  RX_RAM                    0x010000	// Receive SRAM
 
-//*****************************************************************************
-// Application Layer (AL)
-//*****************************************************************************
+/*****************************************************************************
+* Application Layer (AL)
+ *****************************************************************************/
 #define  DEV_CNTRL2                0x040000	// Device control
 #define  FLD_RUN_RISC              0x00000020
 

drivers/staging/cx25821/cx25821-video-upstream-ch2.c

@@ -84,7 +84,7 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
 {
 	unsigned int line, i;
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[dev->_channel2_upstream_select];
+           dev->channels[dev->_channel2_upstream_select].sram_channels;
 	int dist_betwn_starts = bpl * 2;
 
 	/* sync instruction */
@@ -110,8 +110,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
 			offset += dist_betwn_starts;
 		}
 
-		// check if we need to enable the FIFO after the first 4 lines
-		// For the upstream video channel, the risc engine will enable the FIFO.
+               /*
+                 check if we need to enable the FIFO after the first 4 lines
+                  For the upstream video channel, the risc engine will enable
+                  the FIFO.
+               */
 		if (fifo_enable && line == 3) {
 			*(rp++) = RISC_WRITECR;
 			*(rp++) = sram_ch->dma_ctl;
@@ -130,7 +133,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
 {
 	__le32 *rp;
 	int fifo_enable = 0;
-	int singlefield_lines = lines >> 1;	//get line count for single field
+       int singlefield_lines = lines >> 1; /*get line count for single field */
 	int odd_num_lines = singlefield_lines;
 	int frame = 0;
 	int frame_size = 0;
@@ -174,7 +177,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
 
 		fifo_enable = FIFO_DISABLE;
 
-		//Even field
+               /* Even field */
 		rp = cx25821_risc_field_upstream_ch2(dev, rp,
 						     dev->
 						     _data_buf_phys_addr_ch2 +
@@ -192,7 +195,10 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
 			risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
 		}
 
-		// Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
+               /*
+                  Loop to 2ndFrameRISC or to Start of
+                  Risc program & generate IRQ
+               */
 		*(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | risc_flag);
 		*(rp++) = cpu_to_le32(risc_phys_jump_addr);
 		*(rp++) = cpu_to_le32(0);
@@ -204,7 +210,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
 void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
 {
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_J];
+           dev->channels[VID_UPSTREAM_SRAM_CHANNEL_J].sram_channels;
 	u32 tmp = 0;
 
 	if (!dev->_is_running_ch2) {
@@ -212,15 +218,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
 		    ("cx25821: No video file is currently running so return!\n");
 		return;
 	}
-	//Disable RISC interrupts
+       /* Disable RISC interrupts */
 	tmp = cx_read(sram_ch->int_msk);
 	cx_write(sram_ch->int_msk, tmp & ~_intr_msk);
 
-	//Turn OFF risc and fifo
+       /* Turn OFF risc and fifo */
 	tmp = cx_read(sram_ch->dma_ctl);
 	cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN));
 
-	//Clear data buffer memory
+       /* Clear data buffer memory */
 	if (dev->_data_buf_virt_addr_ch2)
 		memset(dev->_data_buf_virt_addr_ch2, 0,
 		       dev->_data_buf_size_ch2);
@@ -371,8 +377,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
 	}
 
 	cx25821_get_frame_ch2(dev,
-			      &dev->sram_channels[dev->
-						  _channel2_upstream_select]);
+                             dev->channels[dev->
+                               _channel2_upstream_select].sram_channels);
 }
 
 int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
@@ -488,7 +494,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
 		return -ENOMEM;
 	}
 
-	//Iniitize at this address until n bytes to 0
+       /* Iniitize at this address until n bytes to 0 */
 	memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2);
 
 	if (dev->_data_buf_virt_addr_ch2 != NULL) {
@@ -496,7 +502,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
 				    dev->_data_buf_virt_addr_ch2,
 				    dev->_data_buf_phys_addr_ch2);
 	}
-	//For Video Data buffer allocation
+       /* For Video Data buffer allocation */
 	dev->_data_buf_virt_addr_ch2 =
 	    pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2,
 				 &data_dma_addr);
@@ -509,14 +515,14 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
 		return -ENOMEM;
 	}
 
-	//Initialize at this address until n bytes to 0
+       /* Initialize at this address until n bytes to 0 */
 	memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2);
 
 	ret = cx25821_openfile_ch2(dev, sram_ch);
 	if (ret < 0)
 		return ret;
 
-	//Creating RISC programs
+       /* Creating RISC programs */
 	ret =
 	    cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl,
 					     dev->_lines_count_ch2);
@@ -536,7 +542,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
 				   u32 status)
 {
 	u32 int_msk_tmp;
-	struct sram_channel *channel = &dev->sram_channels[chan_num];
+       struct sram_channel *channel = dev->channels[chan_num].sram_channels;
 	int singlefield_lines = NTSC_FIELD_HEIGHT;
 	int line_size_in_bytes = Y422_LINE_SZ;
 	int odd_risc_prog_size = 0;
@@ -544,10 +550,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
 	__le32 *rp;
 
 	if (status & FLD_VID_SRC_RISC1) {
-		// We should only process one program per call
+               /* We should only process one program per call */
 		u32 prog_cnt = cx_read(channel->gpcnt);
 
-		//Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
+               /*
+                  Since we've identified our IRQ, clear our bits from the
+                  interrupt mask and interrupt status registers
+               */
 		int_msk_tmp = cx_read(channel->int_msk);
 		cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
 		cx_write(channel->int_stat, _intr_msk);
@@ -588,7 +597,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
 								    FIFO_DISABLE,
 								    ODD_FIELD);
 
-				// Jump to Even Risc program of 1st Frame
+                               /* Jump to Even Risc program of 1st Frame */
 				*(rp++) = cpu_to_le32(RISC_JUMP);
 				*(rp++) = cpu_to_le32(risc_phys_jump_addr);
 				*(rp++) = cpu_to_le32(0);
@@ -603,7 +612,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
 		       dev->_frame_count_ch2);
 		return -1;
 	}
-	//ElSE, set the interrupt mask register, re-enable irq.
+       /* ElSE, set the interrupt mask register, re-enable irq. */
 	int_msk_tmp = cx_read(channel->int_msk);
 	cx_write(channel->int_msk, int_msk_tmp |= _intr_msk);
 
@@ -623,12 +632,12 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
 
 	channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
 
-	sram_ch = &dev->sram_channels[channel_num];
+       sram_ch = dev->channels[channel_num].sram_channels;
 
 	msk_stat = cx_read(sram_ch->int_mstat);
 	vid_status = cx_read(sram_ch->int_stat);
 
-	// Only deal with our interrupt
+       /* Only deal with our interrupt */
 	if (vid_status) {
 		handled =
 		    cx25821_video_upstream_irq_ch2(dev, channel_num,
@@ -658,7 +667,10 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
 	value |= dev->_isNTSC_ch2 ? 0 : 0x10;
 	cx_write(ch->vid_fmt_ctl, value);
 
-	// set number of active pixels in each line. Default is 720 pixels in both NTSC and PAL format
+       /*
+          set number of active pixels in each line. Default is 720
+          pixels in both NTSC and PAL format
+       */
 	cx_write(ch->vid_active_ctl1, width);
 
 	num_lines = (height / 2) & 0x3FF;
@@ -670,7 +682,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
 
 	value = (num_lines << 16) | odd_num_lines;
 
-	// set number of active lines in field 0 (top) and field 1 (bottom)
+       /* set number of active lines in field 0 (top) and field 1 (bottom) */
 	cx_write(ch->vid_active_ctl2, value);
 
 	cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
@@ -682,21 +694,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
 	u32 tmp = 0;
 	int err = 0;
 
-	// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+       /*
+          656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface
+          for channel A-C
+       */
 	tmp = cx_read(VID_CH_MODE_SEL);
 	cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
 
-	// Set the physical start address of the RISC program in the initial program counter(IPC) member of the cmds.
+       /*
+          Set the physical start address of the RISC program in the initial
+          program counter(IPC) member of the cmds.
+       */
 	cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2);
-	cx_write(sram_ch->cmds_start + 4, 0);	/* Risc IPC High 64 bits 63-32 */
+       cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
 
 	/* reset counter */
 	cx_write(sram_ch->gpcnt_ctl, 3);
 
-	// Clear our bits from the interrupt status register.
+       /* Clear our bits from the interrupt status register. */
 	cx_write(sram_ch->int_stat, _intr_msk);
 
-	//Set the interrupt mask register, enable irq.
+       /* Set the interrupt mask register, enable irq. */
 	cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
 	tmp = cx_read(sram_ch->int_msk);
 	cx_write(sram_ch->int_msk, tmp |= _intr_msk);
@@ -709,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
 		       dev->pci->irq);
 		goto fail_irq;
 	}
-	// Start the DMA  engine
+       /* Start the DMA  engine */
 	tmp = cx_read(sram_ch->dma_ctl);
 	cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN);
 
@@ -740,7 +758,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 	}
 
 	dev->_channel2_upstream_select = channel_select;
-	sram_ch = &dev->sram_channels[channel_select];
+       sram_ch = dev->channels[channel_select].sram_channels;
 
 	INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2);
 	dev->_irq_queues_ch2 =
@@ -751,7 +769,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 		    ("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
 		return -ENOMEM;
 	}
-	// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
+       /*
+          656/VIP SRC Upstream Channel I & J and 7 -
+          Host Bus Interface for channel A-C
+       */
 	tmp = cx_read(VID_CH_MODE_SEL);
 	cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
 
@@ -787,7 +808,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 		       str_length + 1);
 	}
 
-	//Default if filename is empty string
+       /* Default if filename is empty string */
 	if (strcmp(dev->input_filename_ch2, "") == 0) {
 		if (dev->_isNTSC_ch2) {
 			dev->_filename_ch2 =
@@ -812,7 +833,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
 	dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2;
 	dev->upstream_databuf_size_ch2 = data_frame_size * 2;
 
-	//Allocating buffers and prepare RISC program
+       /* Allocating buffers and prepare RISC program */
 	retval =
 	    cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
 						dev->_line_size_ch2);

drivers/staging/cx25821/cx25821-video-upstream.c

@@ -134,7 +134,7 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp,
 {
 	unsigned int line, i;
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[dev->_channel_upstream_select];
+           dev->channels[dev->_channel_upstream_select].sram_channels;
 	int dist_betwn_starts = bpl * 2;
 
 	/* sync instruction */
@@ -253,7 +253,7 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
 void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
 {
 	struct sram_channel *sram_ch =
-	    &dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_I];
+           dev->channels[VID_UPSTREAM_SRAM_CHANNEL_I].sram_channels;
 	u32 tmp = 0;
 
 	if (!dev->_is_running) {
@@ -346,20 +346,23 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
 
 	if (IS_ERR(myfile)) {
 		const int open_errno = -PTR_ERR(myfile);
-		printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n",
-		       __func__, dev->_filename, open_errno);
+               printk(KERN_ERR
+                   "%s(): ERROR opening file(%s) with errno = %d!\n",
+                   __func__, dev->_filename, open_errno);
 		return PTR_ERR(myfile);
 	} else {
 		if (!(myfile->f_op)) {
-			printk(KERN_ERR "%s: File has no file operations registered!",
-			       __func__);
+                       printk(KERN_ERR
+                           "%s: File has no file operations registered!",
+                           __func__);
 			filp_close(myfile, NULL);
 			return -EIO;
 		}
 
 		if (!myfile->f_op->read) {
-			printk(KERN_ERR "%s: File has no READ operations registered!",
-			       __func__);
+                       printk(KERN_ERR
+                           "%s: File has no READ operations registered!",
+                           __func__);
 			filp_close(myfile, NULL);
 			return -EIO;
 		}
@@ -386,7 +389,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
 
 			if (vfs_read_retval < line_size) {
 				printk(KERN_INFO
-				       "Done: exit %s() since no more bytes to read from Video file.\n",
+                                      "Done: exit %s() since no more bytes to \
+                                      read from Video file.\n",
 				       __func__);
 				break;
 			}
@@ -411,13 +415,15 @@ static void cx25821_vidups_handler(struct work_struct *work)
 	    container_of(work, struct cx25821_dev, _irq_work_entry);
 
 	if (!dev) {
-		printk(KERN_ERR "ERROR %s(): since container_of(work_struct) FAILED!\n",
-		       __func__);
+               printk(KERN_ERR
+                   "ERROR %s(): since container_of(work_struct) FAILED!\n",
+                   __func__);
 		return;
 	}
 
 	cx25821_get_frame(dev,
-			  &dev->sram_channels[dev->_channel_upstream_select]);
+                         dev->channels[dev->_channel_upstream_select].
+                                               sram_channels);
 }
 
 int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
@@ -437,20 +443,22 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
 
 	if (IS_ERR(myfile)) {
 		const int open_errno = -PTR_ERR(myfile);
-		printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n",
+               printk(KERN_ERR  "%s(): ERROR opening file(%s) with errno = %d!\n",
 		       __func__, dev->_filename, open_errno);
 		return PTR_ERR(myfile);
 	} else {
 		if (!(myfile->f_op)) {
-			printk(KERN_ERR "%s: File has no file operations registered!",
-			       __func__);
+                       printk(KERN_ERR
+                           "%s: File has no file operations registered!",
+                           __func__);
 			filp_close(myfile, NULL);
 			return -EIO;
 		}
 
 		if (!myfile->f_op->read) {
-			printk
-			    (KERN_ERR "%s: File has no READ operations registered!  Returning.",
+                       printk(KERN_ERR
+                           "%s: File has no READ operations registered!  \
+                           Returning.",
 			     __func__);
 			filp_close(myfile, NULL);
 			return -EIO;
@@ -480,7 +488,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
 
 				if (vfs_read_retval < line_size) {
 					printk(KERN_INFO
-					       "Done: exit %s() since no more bytes to read from Video file.\n",
+                                            "Done: exit %s() since no more \
+                                            bytes to read from Video file.\n",
 					       __func__);
 					break;
 				}
@@ -526,7 +535,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
 
 	if (!dev->_dma_virt_addr) {
 		printk
-		    (KERN_ERR "cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
+                   (KERN_ERR "cx25821: FAILED to allocate memory for Risc \
+                   buffer! Returning.\n");
 		return -ENOMEM;
 	}
 
@@ -547,7 +557,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
 
 	if (!dev->_data_buf_virt_addr) {
 		printk
-		    (KERN_ERR "cx25821: FAILED to allocate memory for data buffer! Returning.\n");
+                   (KERN_ERR "cx25821: FAILED to allocate memory for data \
+                   buffer! Returning.\n");
 		return -ENOMEM;
 	}
 
@@ -578,7 +589,7 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
 			       u32 status)
 {
 	u32 int_msk_tmp;
-	struct sram_channel *channel = &dev->sram_channels[chan_num];
+       struct sram_channel *channel = dev->channels[chan_num].sram_channels;
 	int singlefield_lines = NTSC_FIELD_HEIGHT;
 	int line_size_in_bytes = Y422_LINE_SZ;
 	int odd_risc_prog_size = 0;
@@ -642,16 +653,16 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
 	} else {
 		if (status & FLD_VID_SRC_UF)
 			printk
-			    (KERN_ERR "%s: Video Received Underflow Error Interrupt!\n",
-			     __func__);
+                           (KERN_ERR "%s: Video Received Underflow Error \
+                           Interrupt!\n", __func__);
 
 		if (status & FLD_VID_SRC_SYNC)
-			printk(KERN_ERR "%s: Video Received Sync Error Interrupt!\n",
-			       __func__);
+                       printk(KERN_ERR "%s: Video Received Sync Error \
+                       Interrupt!\n", __func__);
 
 		if (status & FLD_VID_SRC_OPC_ERR)
-			printk(KERN_ERR "%s: Video Received OpCode Error Interrupt!\n",
-			       __func__);
+                       printk(KERN_ERR "%s: Video Received OpCode Error \
+                       Interrupt!\n", __func__);
 	}
 
 	if (dev->_file_status == END_OF_FILE) {
@@ -679,7 +690,7 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
 
 	channel_num = VID_UPSTREAM_SRAM_CHANNEL_I;
 
-	sram_ch = &dev->sram_channels[channel_num];
+       sram_ch = dev->channels[channel_num].sram_channels;
 
 	msk_stat = cx_read(sram_ch->int_mstat);
 	vid_status = cx_read(sram_ch->int_stat);
@@ -800,14 +811,15 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
 	}
 
 	dev->_channel_upstream_select = channel_select;
-	sram_ch = &dev->sram_channels[channel_select];
+       sram_ch = dev->channels[channel_select].sram_channels;
 
 	INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler);
 	dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue");
 
 	if (!dev->_irq_queues) {
 		printk
-		    (KERN_ERR "cx25821: create_singlethread_workqueue() for Video FAILED!\n");
+                   (KERN_ERR "cx25821: create_singlethread_workqueue() for \
+                   Video FAILED!\n");
 		return -ENOMEM;
 	}
 	/* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for

drivers/staging/cx25821/cx25821-video.c

@@ -4,6 +4,9 @@
  *  Copyright (C) 2009 Conexant Systems Inc.
  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
  *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
+ *  Parts adapted/taken from Eduardo Moscoso Rubino
+ *  Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com>
+ *
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -24,7 +27,7 @@
 #include "cx25821-video.h"
 
 MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards");
-MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
+MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>");
 MODULE_LICENSE("GPL");
 
 static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
@@ -48,7 +51,10 @@ unsigned int vid_limit = 16;
 module_param(vid_limit, int, 0644);
 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
 
-static void init_controls(struct cx25821_dev *dev, int chan_num);
+static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
+
+static const struct v4l2_file_operations video_fops;
+static const struct v4l2_ioctl_ops video_ioctl_ops;
 
 #define FORMAT_FLAGS_PACKED       0x01
 
@@ -211,7 +217,7 @@ static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
 }
 */
 
-// resource management
+/* resource management */
 int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit)
 {
 	dprintk(1, "%s()\n", __func__);
@@ -221,14 +227,14 @@ int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int
 
 	/* is it free? */
 	mutex_lock(&dev->lock);
-	if (dev->resources & bit) {
+       if (dev->channels[fh->channel_id].resources & bit) {
 		/* no, someone else uses it */
 		mutex_unlock(&dev->lock);
 		return 0;
 	}
 	/* it's free, grab it */
 	fh->resources |= bit;
-	dev->resources |= bit;
+       dev->channels[fh->channel_id].resources |= bit;
 	dprintk(1, "res: get %d\n", bit);
 	mutex_unlock(&dev->lock);
 	return 1;
@@ -239,9 +245,9 @@ int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit)
 	return fh->resources & bit;
 }
 
-int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit)
+int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit)
 {
-	return dev->resources & bit;
+       return fh->dev->channels[fh->channel_id].resources & bit;
 }
 
 void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits)
@@ -251,7 +257,7 @@ void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned i
 
 	mutex_lock(&dev->lock);
 	fh->resources &= ~bits;
-	dev->resources &= ~bits;
+       dev->channels[fh->channel_id].resources &= ~bits;
 	dprintk(1, "res: put %d\n", bits);
 	mutex_unlock(&dev->lock);
 }
@@ -358,11 +364,11 @@ void cx25821_vid_timeout(unsigned long data)
 	struct cx25821_data *timeout_data = (struct cx25821_data *)data;
 	struct cx25821_dev *dev = timeout_data->dev;
 	struct sram_channel *channel = timeout_data->channel;
-	struct cx25821_dmaqueue *q = &dev->vidq[channel->i];
+       struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
 	struct cx25821_buffer *buf;
 	unsigned long flags;
 
-	//cx25821_sram_channel_dump(dev, channel);
+       /* cx25821_sram_channel_dump(dev, channel); */
 	cx_clear(channel->dma_ctl, 0x11);
 
 	spin_lock_irqsave(&dev->slock, flags);
@@ -384,7 +390,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
 	u32 count = 0;
 	int handled = 0;
 	u32 mask;
-	struct sram_channel *channel = &dev->sram_channels[chan_num];
+       struct sram_channel *channel = dev->channels[chan_num].sram_channels;
 
 	mask = cx_read(channel->int_msk);
 	if (0 == (status & mask))
@@ -404,7 +410,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
 	if (status & FLD_VID_DST_RISC1) {
 		spin_lock(&dev->slock);
 		count = cx_read(channel->gpcnt);
-		cx25821_video_wakeup(dev, &dev->vidq[channel->i], count);
+               cx25821_video_wakeup(dev,
+                       &dev->channels[channel->i].vidq, count);
 		spin_unlock(&dev->slock);
 		handled++;
 	}
@@ -413,8 +420,9 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
 	if (status & 0x10) {
 		dprintk(2, "stopper video\n");
 		spin_lock(&dev->slock);
-		cx25821_restart_video_queue(dev, &dev->vidq[channel->i],
-					    channel);
+               cx25821_restart_video_queue(dev,
+                               &dev->channels[channel->i].vidq,
+                                       channel);
 		spin_unlock(&dev->slock);
 		handled++;
 	}
@@ -437,72 +445,95 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
 {
 	cx_clear(PCI_INT_MSK, 1);
 
-	if (dev->video_dev[chan_num]) {
-		if (video_is_registered(dev->video_dev[chan_num]))
-			video_unregister_device(dev->video_dev[chan_num]);
+       if (dev->channels[chan_num].video_dev) {
+               if (video_is_registered(dev->channels[chan_num].video_dev))
+                       video_unregister_device(
+                               dev->channels[chan_num].video_dev);
 		else
-			video_device_release(dev->video_dev[chan_num]);
+                       video_device_release(
+                               dev->channels[chan_num].video_dev);
 
-		dev->video_dev[chan_num] = NULL;
+               dev->channels[chan_num].video_dev = NULL;
 
-		btcx_riscmem_free(dev->pci, &dev->vidq[chan_num].stopper);
+               btcx_riscmem_free(dev->pci,
+                       &dev->channels[chan_num].vidq.stopper);
 
 		printk(KERN_WARNING "device %d released!\n", chan_num);
 	}
 
 }
 
-int cx25821_video_register(struct cx25821_dev *dev, int chan_num,
-			   struct video_device *video_template)
+int cx25821_video_register(struct cx25821_dev *dev)
 {
 	int err;
+       int i;
+
+       struct video_device cx25821_video_device = {
+               .name = "cx25821-video",
+               .fops = &video_fops,
+               .minor = -1,
+               .ioctl_ops = &video_ioctl_ops,
+               .tvnorms = CX25821_NORMS,
+               .current_norm = V4L2_STD_NTSC_M,
+       };
 
 	spin_lock_init(&dev->slock);
 
-	//printk(KERN_WARNING "Channel %d\n", chan_num);
+    for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
+               cx25821_init_controls(dev, i);
 
-#ifdef TUNER_FLAG
-	dev->tvnorm = video_template->current_norm;
-#endif
+               cx25821_risc_stopper(dev->pci,
+                               &dev->channels[i].vidq.stopper,
+                               dev->channels[i].sram_channels->dma_ctl,
+                               0x11, 0);
+
+               dev->channels[i].sram_channels = &cx25821_sram_channels[i];
+               dev->channels[i].video_dev = NULL;
+               dev->channels[i].resources = 0;
+
+               cx_write(dev->channels[i].sram_channels->int_stat,
+                               0xffffffff);
+
+               INIT_LIST_HEAD(&dev->channels[i].vidq.active);
+               INIT_LIST_HEAD(&dev->channels[i].vidq.queued);
+
+               dev->channels[i].timeout_data.dev = dev;
+               dev->channels[i].timeout_data.channel =
+                                       &cx25821_sram_channels[i];
+               dev->channels[i].vidq.timeout.function =
+                                       cx25821_vid_timeout;
+               dev->channels[i].vidq.timeout.data =
+                       (unsigned long)&dev->channels[i].timeout_data;
+               init_timer(&dev->channels[i].vidq.timeout);
+
+               /* register v4l devices */
+               dev->channels[i].video_dev = cx25821_vdev_init(dev,
+                       dev->pci, &cx25821_video_device, "video");
+
+               err = video_register_device(dev->channels[i].video_dev,
+                               VFL_TYPE_GRABBER, video_nr[dev->nr]);
+
+               if (err < 0)
+                       goto fail_unreg;
 
-	/* init video dma queues */
-	dev->timeout_data[chan_num].dev = dev;
-	dev->timeout_data[chan_num].channel = &dev->sram_channels[chan_num];
-	INIT_LIST_HEAD(&dev->vidq[chan_num].active);
-	INIT_LIST_HEAD(&dev->vidq[chan_num].queued);
-	dev->vidq[chan_num].timeout.function = cx25821_vid_timeout;
-	dev->vidq[chan_num].timeout.data =
-	    (unsigned long)&dev->timeout_data[chan_num];
-	init_timer(&dev->vidq[chan_num].timeout);
-	cx25821_risc_stopper(dev->pci, &dev->vidq[chan_num].stopper,
-			     dev->sram_channels[chan_num].dma_ctl, 0x11, 0);
-
-	/* register v4l devices */
-	dev->video_dev[chan_num] =
-	    cx25821_vdev_init(dev, dev->pci, video_template, "video");
-	err =
-	    video_register_device(dev->video_dev[chan_num], VFL_TYPE_GRABBER,
-				  video_nr[dev->nr]);
-
-	if (err < 0) {
-		goto fail_unreg;
 	}
-	//set PCI interrupt
+
+    /* set PCI interrupt */
 	cx_set(PCI_INT_MSK, 0xff);
 
 	/* initial device configuration */
 	mutex_lock(&dev->lock);
 #ifdef TUNER_FLAG
+       dev->tvnorm = cx25821_video_device.current_norm;
 	cx25821_set_tvnorm(dev, dev->tvnorm);
 #endif
 	mutex_unlock(&dev->lock);
 
-	init_controls(dev, chan_num);
 
-	return 0;
+    return 0;
 
-      fail_unreg:
-	cx25821_video_unregister(dev, chan_num);
+fail_unreg:
+       cx25821_video_unregister(dev, i);
 	return err;
 }
 
@@ -533,7 +564,7 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 	u32 line0_offset, line1_offset;
 	struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
 	int bpl_local = LINE_SIZE_D1;
-	int channel_opened = 0;
+       int channel_opened = fh->channel_id;
 
 	BUG_ON(NULL == fh->fmt);
 	if (fh->width < 48 || fh->width > 720 ||
@@ -572,26 +603,29 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 		channel_opened = (channel_opened < 0
 				  || channel_opened > 7) ? 7 : channel_opened;
 
-		if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411)
+               if (dev->channels[channel_opened]
+                       .pixel_formats == PIXEL_FRMT_411)
 			buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3;
 		else
 			buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width);
 
-		if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) {
+               if (dev->channels[channel_opened]
+                       .pixel_formats == PIXEL_FRMT_411) {
 			bpl_local = buf->bpl;
 		} else {
-			bpl_local = buf->bpl;	//Default
+                       bpl_local = buf->bpl;   /* Default */
 
 			if (channel_opened >= 0 && channel_opened <= 7) {
-				if (dev->use_cif_resolution[channel_opened]) {
+                               if (dev->channels[channel_opened]
+                                               .use_cif_resolution) {
 					if (dev->tvnorm & V4L2_STD_PAL_BG
 					    || dev->tvnorm & V4L2_STD_PAL_DK)
 						bpl_local = 352 << 1;
 					else
 						bpl_local =
-						    dev->
-						    cif_width[channel_opened] <<
-						    1;
+                                                 dev->channels[channel_opened].
+                                                 cif_width <<
+                                                 1;
 				}
 			}
 		}
@@ -685,6 +719,383 @@ int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
 	return videobuf_mmap_mapper(get_queue(fh), vma);
 }
 
+
+static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
+{
+       struct cx25821_buffer *buf =
+           container_of(vb, struct cx25821_buffer, vb);
+       struct cx25821_buffer *prev;
+       struct cx25821_fh *fh = vq->priv_data;
+       struct cx25821_dev *dev = fh->dev;
+       struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq;
+
+       /* add jump to stopper */
+       buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
+       buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
+       buf->risc.jmp[2] = cpu_to_le32(0);      /* bits 63-32 */
+
+       dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
+
+       if (!list_empty(&q->queued)) {
+               list_add_tail(&buf->vb.queue, &q->queued);
+               buf->vb.state = VIDEOBUF_QUEUED;
+               dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
+                       buf->vb.i);
+
+       } else if (list_empty(&q->active)) {
+               list_add_tail(&buf->vb.queue, &q->active);
+               cx25821_start_video_dma(dev, q, buf,
+                                       dev->channels[fh->channel_id].
+                                       sram_channels);
+               buf->vb.state = VIDEOBUF_ACTIVE;
+               buf->count = q->count++;
+               mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
+               dprintk(2,
+                       "[%p/%d] buffer_queue - first active, buf cnt = %d, \
+                       q->count = %d\n",
+                       buf, buf->vb.i, buf->count, q->count);
+       } else {
+               prev =
+                   list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
+               if (prev->vb.width == buf->vb.width
+                   && prev->vb.height == buf->vb.height
+                   && prev->fmt == buf->fmt) {
+                       list_add_tail(&buf->vb.queue, &q->active);
+                       buf->vb.state = VIDEOBUF_ACTIVE;
+                       buf->count = q->count++;
+                       prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+
+                       /* 64 bit bits 63-32 */
+                       prev->risc.jmp[2] = cpu_to_le32(0);
+                       dprintk(2,
+                               "[%p/%d] buffer_queue - append to active, \
+                               buf->count=%d\n",
+                               buf, buf->vb.i, buf->count);
+
+               } else {
+                       list_add_tail(&buf->vb.queue, &q->queued);
+                       buf->vb.state = VIDEOBUF_QUEUED;
+                       dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
+                               buf->vb.i);
+               }
+       }
+
+       if (list_empty(&q->active))
+               dprintk(2, "active queue empty!\n");
+}
+
+static struct videobuf_queue_ops cx25821_video_qops = {
+       .buf_setup = cx25821_buffer_setup,
+       .buf_prepare = cx25821_buffer_prepare,
+       .buf_queue = buffer_queue,
+       .buf_release = cx25821_buffer_release,
+};
+
+static int video_open(struct file *file)
+{
+       struct video_device *vdev = video_devdata(file);
+       struct cx25821_dev *h, *dev = video_drvdata(file);
+       struct cx25821_fh *fh;
+       struct list_head *list;
+       int minor = video_devdata(file)->minor;
+       enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+       u32 pix_format;
+       int ch_id = 0;
+       int i;
+
+       dprintk(1, "open dev=%s type=%s\n",
+                       video_device_node_name(vdev),
+                       v4l2_type_names[type]);
+
+       /* allocate + initialize per filehandle data */
+       fh = kzalloc(sizeof(*fh), GFP_KERNEL);
+       if (NULL == fh)
+               return -ENOMEM;
+
+       lock_kernel();
+
+       list_for_each(list, &cx25821_devlist)
+       {
+               h = list_entry(list, struct cx25821_dev, devlist);
+
+               for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
+                       if (h->channels[i].video_dev &&
+                           h->channels[i].video_dev->minor == minor) {
+                               dev = h;
+                               ch_id = i;
+                               type  = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+                       }
+               }
+       }
+
+       if (NULL == dev) {
+               unlock_kernel();
+               return -ENODEV;
+       }
+
+       file->private_data = fh;
+       fh->dev = dev;
+       fh->type = type;
+       fh->width = 720;
+    fh->channel_id = ch_id;
+
+       if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
+               fh->height = 576;
+       else
+               fh->height = 480;
+
+       dev->channel_opened = fh->channel_id;
+       pix_format =
+           (dev->channels[ch_id].pixel_formats ==
+            PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
+       fh->fmt = format_by_fourcc(pix_format);
+
+       v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio);
+
+       videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
+                              &dev->pci->dev, &dev->slock,
+                              V4L2_BUF_TYPE_VIDEO_CAPTURE,
+                              V4L2_FIELD_INTERLACED,
+                              sizeof(struct cx25821_buffer), fh);
+
+       dprintk(1, "post videobuf_queue_init()\n");
+       unlock_kernel();
+
+       return 0;
+}
+
+static ssize_t video_read(struct file *file, char __user * data, size_t count,
+                         loff_t *ppos)
+{
+       struct cx25821_fh *fh = file->private_data;
+
+       switch (fh->type) {
+       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+               if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
+                       return -EBUSY;
+
+               return videobuf_read_one(&fh->vidq, data, count, ppos,
+                                        file->f_flags & O_NONBLOCK);
+
+       default:
+               BUG();
+               return 0;
+       }
+}
+
+static unsigned int video_poll(struct file *file,
+                              struct poll_table_struct *wait)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_buffer *buf;
+
+       if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
+               /* streaming capture */
+               if (list_empty(&fh->vidq.stream))
+                       return POLLERR;
+               buf = list_entry(fh->vidq.stream.next,
+                                struct cx25821_buffer, vb.stream);
+       } else {
+               /* read() capture */
+               buf = (struct cx25821_buffer *)fh->vidq.read_buf;
+               if (NULL == buf)
+                       return POLLERR;
+       }
+
+       poll_wait(file, &buf->vb.done, wait);
+       if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
+               if (buf->vb.state == VIDEOBUF_DONE) {
+                       struct cx25821_dev *dev = fh->dev;
+
+                       if (dev && dev->channels[fh->channel_id]
+                                               .use_cif_resolution) {
+                               u8 cam_id = *((char *)buf->vb.baddr + 3);
+                               memcpy((char *)buf->vb.baddr,
+                                      (char *)buf->vb.baddr + (fh->width * 2),
+                                      (fh->width * 2));
+                               *((char *)buf->vb.baddr + 3) = cam_id;
+                       }
+               }
+
+               return POLLIN | POLLRDNORM;
+       }
+
+       return 0;
+}
+
+static int video_release(struct file *file)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_dev *dev = fh->dev;
+
+       /* stop the risc engine and fifo */
+       cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
+
+       /* stop video capture */
+       if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
+               videobuf_queue_cancel(&fh->vidq);
+               cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
+       }
+
+       if (fh->vidq.read_buf) {
+               cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
+               kfree(fh->vidq.read_buf);
+       }
+
+       videobuf_mmap_free(&fh->vidq);
+
+       v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio);
+       file->private_data = NULL;
+       kfree(fh);
+
+       return 0;
+}
+
+static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+       struct cx25821_fh *fh = priv;
+       struct cx25821_dev *dev = fh->dev;
+
+       if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
+               return -EINVAL;
+
+       if (unlikely(i != fh->type))
+               return -EINVAL;
+
+       if (unlikely(!cx25821_res_get(dev, fh,
+                       cx25821_get_resource(fh, RESOURCE_VIDEO0))))
+               return -EBUSY;
+
+       return videobuf_streamon(get_queue(fh));
+}
+
+static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+       struct cx25821_fh *fh = priv;
+       struct cx25821_dev *dev = fh->dev;
+       int err, res;
+
+       if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+               return -EINVAL;
+       if (i != fh->type)
+               return -EINVAL;
+
+       res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
+       err = videobuf_streamoff(get_queue(fh));
+       if (err < 0)
+               return err;
+       cx25821_res_free(dev, fh, res);
+       return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+                               struct v4l2_format *f)
+{
+       struct cx25821_fh *fh = priv;
+       struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+       int err;
+       int pix_format = PIXEL_FRMT_422;
+
+       if (fh) {
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
+               if (0 != err)
+                       return err;
+       }
+
+       dprintk(2, "%s()\n", __func__);
+       err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
+
+       if (0 != err)
+               return err;
+
+       fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+       fh->vidq.field = f->fmt.pix.field;
+
+       /* check if width and height is valid based on set standard */
+       if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
+               fh->width = f->fmt.pix.width;
+
+       if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
+               fh->height = f->fmt.pix.height;
+
+       if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
+               pix_format = PIXEL_FRMT_411;
+       else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
+               pix_format = PIXEL_FRMT_422;
+       else
+               return -EINVAL;
+
+       cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
+
+       /* check if cif resolution */
+       if (fh->width == 320 || fh->width == 352)
+               dev->channels[fh->channel_id].use_cif_resolution = 1;
+       else
+               dev->channels[fh->channel_id].use_cif_resolution = 0;
+
+       dev->channels[fh->channel_id].cif_width = fh->width;
+       medusa_set_resolution(dev, fh->width, SRAM_CH00);
+
+       dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
+               fh->height, fh->vidq.field);
+       cx25821_call_all(dev, video, s_fmt, f);
+
+       return 0;
+}
+
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+       int ret_val = 0;
+       struct cx25821_fh *fh = priv;
+       struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+
+       ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
+
+    p->sequence = dev->channels[fh->channel_id].vidq.count;
+
+       return ret_val;
+}
+
+static int vidioc_log_status(struct file *file, void *priv)
+{
+       struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+       struct cx25821_fh *fh = priv;
+       char name[32 + 2];
+
+       struct sram_channel *sram_ch = dev->channels[fh->channel_id]
+                                                       .sram_channels;
+       u32 tmp = 0;
+
+       snprintf(name, sizeof(name), "%s/2", dev->name);
+       printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
+              dev->name);
+       cx25821_call_all(dev, core, log_status);
+       tmp = cx_read(sram_ch->dma_ctl);
+       printk(KERN_INFO "Video input 0 is %s\n",
+              (tmp & 0x11) ? "streaming" : "stopped");
+       printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
+              dev->name);
+       return 0;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+                        struct v4l2_control *ctl)
+{
+       struct cx25821_fh *fh = priv;
+       struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+       int err;
+
+       if (fh) {
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
+               if (0 != err)
+                       return err;
+       }
+
+       return cx25821_set_control(dev, ctl, fh->channel_id);
+}
+
 /* VIDEO IOCTLS                                                       */
 int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f)
 {
@@ -822,8 +1233,9 @@ int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
 int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
 {
 	struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
+       struct cx25821_fh *fh = f;
 
-	*p = v4l2_prio_max(&dev->prio);
+       *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
 
 	return 0;
 }
@@ -833,7 +1245,8 @@ int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority pri
 	struct cx25821_fh *fh = f;
 	struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
 
-	return v4l2_prio_change(&dev->prio, &fh->prio, prio);
+       return v4l2_prio_change(&dev->channels[fh->channel_id]
+                                       .prio, &fh->prio, prio);
 }
 
 #ifdef TUNER_FLAG
@@ -846,7 +1259,8 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
 	dprintk(1, "%s()\n", __func__);
 
 	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
 		if (0 != err)
 			return err;
 	}
@@ -916,7 +1330,8 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
 	dprintk(1, "%s(%d)\n", __func__, i);
 
 	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
 		if (0 != err)
 			return err;
 	}
@@ -967,9 +1382,14 @@ int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_freque
 	int err;
 
 	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
+               dev = fh->dev;
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
 		if (0 != err)
 			return err;
+       } else {
+               printk(KERN_ERR "Invalid fh pointer!\n");
+               return -EINVAL;
 	}
 
 	return cx25821_set_freq(dev, f);
@@ -1031,7 +1451,8 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
 	int err;
 
 	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
+               err = v4l2_prio_check(&dev->channels[fh->channel_id]
+                                               .prio, fh->prio);
 		if (0 != err)
 			return err;
 	}
@@ -1046,7 +1467,7 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
 }
 
 #endif
-// ******************************************************************************************
+/*****************************************************************************/
 static const struct v4l2_queryctrl no_ctl = {
 	.name = "42",
 	.flags = V4L2_CTRL_FLAG_DISABLED,
@@ -1129,6 +1550,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
 int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl)
 {
 	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+       struct cx25821_fh *fh = priv;
 
 	const struct v4l2_queryctrl *ctrl;
 
@@ -1138,16 +1560,16 @@ int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ct
 		return -EINVAL;
 	switch (ctl->id) {
 	case V4L2_CID_BRIGHTNESS:
-		ctl->value = dev->ctl_bright;
+               ctl->value = dev->channels[fh->channel_id].ctl_bright;
 		break;
 	case V4L2_CID_HUE:
-		ctl->value = dev->ctl_hue;
+               ctl->value = dev->channels[fh->channel_id].ctl_hue;
 		break;
 	case V4L2_CID_CONTRAST:
-		ctl->value = dev->ctl_contrast;
+               ctl->value = dev->channels[fh->channel_id].ctl_contrast;
 		break;
 	case V4L2_CID_SATURATION:
-		ctl->value = dev->ctl_saturation;
+               ctl->value = dev->channels[fh->channel_id].ctl_saturation;
 		break;
 	}
 	return 0;
@@ -1181,19 +1603,19 @@ int cx25821_set_control(struct cx25821_dev *dev,
 
 	switch (ctl->id) {
 	case V4L2_CID_BRIGHTNESS:
-		dev->ctl_bright = ctl->value;
+               dev->channels[chan_num].ctl_bright = ctl->value;
 		medusa_set_brightness(dev, ctl->value, chan_num);
 		break;
 	case V4L2_CID_HUE:
-		dev->ctl_hue = ctl->value;
+               dev->channels[chan_num].ctl_hue = ctl->value;
 		medusa_set_hue(dev, ctl->value, chan_num);
 		break;
 	case V4L2_CID_CONTRAST:
-		dev->ctl_contrast = ctl->value;
+               dev->channels[chan_num].ctl_contrast = ctl->value;
 		medusa_set_contrast(dev, ctl->value, chan_num);
 		break;
 	case V4L2_CID_SATURATION:
-		dev->ctl_saturation = ctl->value;
+               dev->channels[chan_num].ctl_saturation = ctl->value;
 		medusa_set_saturation(dev, ctl->value, chan_num);
 		break;
 	}
@@ -1203,7 +1625,7 @@ int cx25821_set_control(struct cx25821_dev *dev,
 	return err;
 }
 
-static void init_controls(struct cx25821_dev *dev, int chan_num)
+static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
 {
 	struct v4l2_control ctrl;
 	int i;
@@ -1239,23 +1661,24 @@ int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
 	int err;
 
 	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
+               err = v4l2_prio_check(&dev->channels[fh->channel_id].
+                                               prio, fh->prio);
 		if (0 != err)
 			return err;
 	}
-	// cx25821_vidioc_s_crop not supported
+       /* cx25821_vidioc_s_crop not supported */
 	return -EINVAL;
 }
 
 int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
 {
-	// cx25821_vidioc_g_crop not supported
+       /* cx25821_vidioc_g_crop not supported */
 	return -EINVAL;
 }
 
 int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
 {
-	// medusa does not support video standard sensing of current input
+       /* medusa does not support video standard sensing of current input */
 	*norm = CX25821_NORMS;
 
 	return 0;
@@ -1297,3 +1720,325 @@ int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
 
 	return 0;
 }
+
+static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
+                                 unsigned long arg)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_dev *dev = fh->dev;
+       int command = 0;
+       struct upstream_user_struct *data_from_user;
+
+       data_from_user = (struct upstream_user_struct *)arg;
+
+       if (!data_from_user) {
+               printk
+                   ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
+                    __func__);
+               return 0;
+       }
+
+       command = data_from_user->command;
+
+       if (command != UPSTREAM_START_VIDEO &&
+               command != UPSTREAM_STOP_VIDEO)
+               return 0;
+
+       dev->input_filename = data_from_user->input_filename;
+       dev->input_audiofilename = data_from_user->input_filename;
+       dev->vid_stdname = data_from_user->vid_stdname;
+       dev->pixel_format = data_from_user->pixel_format;
+       dev->channel_select = data_from_user->channel_select;
+       dev->command = data_from_user->command;
+
+       switch (command) {
+       case UPSTREAM_START_VIDEO:
+               cx25821_start_upstream_video_ch1(dev, data_from_user);
+               break;
+
+       case UPSTREAM_STOP_VIDEO:
+               cx25821_stop_upstream_video_ch1(dev);
+               break;
+       }
+
+       return 0;
+}
+
+static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
+                                  unsigned long arg)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_dev *dev = fh->dev;
+       int command = 0;
+       struct upstream_user_struct *data_from_user;
+
+       data_from_user = (struct upstream_user_struct *)arg;
+
+       if (!data_from_user) {
+               printk
+                   ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
+                    __func__);
+               return 0;
+       }
+
+       command = data_from_user->command;
+
+       if (command != UPSTREAM_START_VIDEO &&
+               command != UPSTREAM_STOP_VIDEO)
+               return 0;
+
+       dev->input_filename_ch2 = data_from_user->input_filename;
+       dev->input_audiofilename = data_from_user->input_filename;
+       dev->vid_stdname_ch2 = data_from_user->vid_stdname;
+       dev->pixel_format_ch2 = data_from_user->pixel_format;
+       dev->channel_select_ch2 = data_from_user->channel_select;
+       dev->command_ch2 = data_from_user->command;
+
+       switch (command) {
+       case UPSTREAM_START_VIDEO:
+               cx25821_start_upstream_video_ch2(dev, data_from_user);
+               break;
+
+       case UPSTREAM_STOP_VIDEO:
+               cx25821_stop_upstream_video_ch2(dev);
+               break;
+       }
+
+       return 0;
+}
+
+static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
+                                  unsigned long arg)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_dev *dev = fh->dev;
+       int command = 0;
+       struct upstream_user_struct *data_from_user;
+
+       data_from_user = (struct upstream_user_struct *)arg;
+
+       if (!data_from_user) {
+               printk
+                   ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
+                    __func__);
+               return 0;
+       }
+
+       command = data_from_user->command;
+
+       if (command != UPSTREAM_START_AUDIO &&
+               command != UPSTREAM_STOP_AUDIO)
+               return 0;
+
+       dev->input_filename = data_from_user->input_filename;
+       dev->input_audiofilename = data_from_user->input_filename;
+       dev->vid_stdname = data_from_user->vid_stdname;
+       dev->pixel_format = data_from_user->pixel_format;
+       dev->channel_select = data_from_user->channel_select;
+       dev->command = data_from_user->command;
+
+       switch (command) {
+       case UPSTREAM_START_AUDIO:
+               cx25821_start_upstream_audio(dev, data_from_user);
+               break;
+
+       case UPSTREAM_STOP_AUDIO:
+               cx25821_stop_upstream_audio(dev);
+               break;
+       }
+
+       return 0;
+}
+
+static long video_ioctl_set(struct file *file, unsigned int cmd,
+                           unsigned long arg)
+{
+       struct cx25821_fh *fh = file->private_data;
+       struct cx25821_dev *dev = fh->dev;
+       struct downstream_user_struct *data_from_user;
+       int command;
+       int width = 720;
+       int selected_channel = 0, pix_format = 0, i = 0;
+       int cif_enable = 0, cif_width = 0;
+       u32 value = 0;
+
+       data_from_user = (struct downstream_user_struct *)arg;
+
+       if (!data_from_user) {
+               printk(
+               "cx25821 in %s(): User data is INVALID. Returning.\n",
+               __func__);
+               return 0;
+       }
+
+       command = data_from_user->command;
+
+       if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
+           && command != ENABLE_CIF_RESOLUTION && command != REG_READ
+           && command != REG_WRITE && command != MEDUSA_READ
+           && command != MEDUSA_WRITE) {
+               return 0;
+       }
+
+       switch (command) {
+       case SET_VIDEO_STD:
+               dev->tvnorm =
+                   !strcmp(data_from_user->vid_stdname,
+                           "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
+               medusa_set_videostandard(dev);
+               break;
+
+       case SET_PIXEL_FORMAT:
+               selected_channel = data_from_user->decoder_select;
+               pix_format = data_from_user->pixel_format;
+
+               if (!(selected_channel <= 7 && selected_channel >= 0)) {
+                       selected_channel -= 4;
+                       selected_channel = selected_channel % 8;
+               }
+
+               if (selected_channel >= 0)
+                       cx25821_set_pixel_format(dev, selected_channel,
+                                                pix_format);
+
+               break;
+
+       case ENABLE_CIF_RESOLUTION:
+               selected_channel = data_from_user->decoder_select;
+               cif_enable = data_from_user->cif_resolution_enable;
+               cif_width = data_from_user->cif_width;
+
+               if (cif_enable) {
+                       if (dev->tvnorm & V4L2_STD_PAL_BG
+                           || dev->tvnorm & V4L2_STD_PAL_DK)
+                               width = 352;
+                       else
+                               width = (cif_width == 320
+                                        || cif_width == 352) ? cif_width : 320;
+               }
+
+               if (!(selected_channel <= 7 && selected_channel >= 0)) {
+                       selected_channel -= 4;
+                       selected_channel = selected_channel % 8;
+               }
+
+               if (selected_channel <= 7 && selected_channel >= 0) {
+                       dev->channels[selected_channel].
+                               use_cif_resolution = cif_enable;
+                       dev->channels[selected_channel].cif_width = width;
+               } else {
+                       for (i = 0; i < VID_CHANNEL_NUM; i++) {
+                               dev->channels[i].use_cif_resolution =
+                                       cif_enable;
+                               dev->channels[i].cif_width = width;
+                       }
+               }
+
+               medusa_set_resolution(dev, width, selected_channel);
+               break;
+       case REG_READ:
+               data_from_user->reg_data = cx_read(data_from_user->reg_address);
+               break;
+       case REG_WRITE:
+               cx_write(data_from_user->reg_address, data_from_user->reg_data);
+               break;
+       case MEDUSA_READ:
+               value =
+                   cx25821_i2c_read(&dev->i2c_bus[0],
+                                    (u16) data_from_user->reg_address,
+                                    &data_from_user->reg_data);
+               break;
+       case MEDUSA_WRITE:
+               cx25821_i2c_write(&dev->i2c_bus[0],
+                                 (u16) data_from_user->reg_address,
+                                 data_from_user->reg_data);
+               break;
+       }
+
+       return 0;
+}
+
+static long cx25821_video_ioctl(struct file *file,
+                               unsigned int cmd, unsigned long arg)
+{
+       int  ret = 0;
+
+       struct cx25821_fh  *fh  = file->private_data;
+
+       /* check to see if it's the video upstream */
+       if (fh->channel_id == SRAM_CH09) {
+               ret = video_ioctl_upstream9(file, cmd, arg);
+               return ret;
+       } else if (fh->channel_id == SRAM_CH10) {
+               ret = video_ioctl_upstream10(file, cmd, arg);
+               return ret;
+       } else if (fh->channel_id == SRAM_CH11) {
+               ret = video_ioctl_upstream11(file, cmd, arg);
+               ret = video_ioctl_set(file, cmd, arg);
+               return ret;
+       }
+
+    return video_ioctl2(file, cmd, arg);
+}
+
+/* exported stuff */
+static const struct v4l2_file_operations video_fops = {
+       .owner = THIS_MODULE,
+       .open = video_open,
+       .release = video_release,
+       .read = video_read,
+       .poll = video_poll,
+       .mmap = cx25821_video_mmap,
+       .ioctl = cx25821_video_ioctl,
+};
+
+static const struct v4l2_ioctl_ops video_ioctl_ops = {
+       .vidioc_querycap = cx25821_vidioc_querycap,
+       .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
+       .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
+       .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
+       .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+       .vidioc_reqbufs = cx25821_vidioc_reqbufs,
+       .vidioc_querybuf = cx25821_vidioc_querybuf,
+       .vidioc_qbuf = cx25821_vidioc_qbuf,
+       .vidioc_dqbuf = vidioc_dqbuf,
+#ifdef TUNER_FLAG
+       .vidioc_s_std = cx25821_vidioc_s_std,
+       .vidioc_querystd = cx25821_vidioc_querystd,
+#endif
+       .vidioc_cropcap = cx25821_vidioc_cropcap,
+       .vidioc_s_crop = cx25821_vidioc_s_crop,
+       .vidioc_g_crop = cx25821_vidioc_g_crop,
+       .vidioc_enum_input = cx25821_vidioc_enum_input,
+       .vidioc_g_input = cx25821_vidioc_g_input,
+       .vidioc_s_input = cx25821_vidioc_s_input,
+       .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
+       .vidioc_s_ctrl = vidioc_s_ctrl,
+       .vidioc_queryctrl = cx25821_vidioc_queryctrl,
+       .vidioc_streamon = vidioc_streamon,
+       .vidioc_streamoff = vidioc_streamoff,
+       .vidioc_log_status = vidioc_log_status,
+       .vidioc_g_priority = cx25821_vidioc_g_priority,
+       .vidioc_s_priority = cx25821_vidioc_s_priority,
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+       .vidiocgmbuf = cx25821_vidiocgmbuf,
+#endif
+#ifdef TUNER_FLAG
+       .vidioc_g_tuner = cx25821_vidioc_g_tuner,
+       .vidioc_s_tuner = cx25821_vidioc_s_tuner,
+       .vidioc_g_frequency = cx25821_vidioc_g_frequency,
+       .vidioc_s_frequency = cx25821_vidioc_s_frequency,
+#endif
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+       .vidioc_g_register = cx25821_vidioc_g_register,
+       .vidioc_s_register = cx25821_vidioc_s_register,
+#endif
+};
+
+struct video_device cx25821_videoioctl_template = {
+               .name = "cx25821-videoioctl",
+               .fops = &video_fops,
+               .ioctl_ops = &video_ioctl_ops,
+               .tvnorms = CX25821_NORMS,
+               .current_norm = V4L2_STD_NTSC_M,
+};

drivers/staging/cx25821/cx25821-video.h

@@ -80,17 +80,6 @@ extern struct sram_channel *channel7;
 extern struct sram_channel *channel9;
 extern struct sram_channel *channel10;
 extern struct sram_channel *channel11;
-extern struct video_device cx25821_video_template0;
-extern struct video_device cx25821_video_template1;
-extern struct video_device cx25821_video_template2;
-extern struct video_device cx25821_video_template3;
-extern struct video_device cx25821_video_template4;
-extern struct video_device cx25821_video_template5;
-extern struct video_device cx25821_video_template6;
-extern struct video_device cx25821_video_template7;
-extern struct video_device cx25821_video_template9;
-extern struct video_device cx25821_video_template10;
-extern struct video_device cx25821_video_template11;
 extern struct video_device cx25821_videoioctl_template;
 //extern const u32 *ctrl_classes[];
 
@@ -113,7 +102,7 @@ extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
 extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
 		   unsigned int bit);
 extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
-extern int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit);
+extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
 extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
 		     unsigned int bits);
 extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
@@ -126,8 +115,7 @@ extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
 			     unsigned int height, enum v4l2_field field);
 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
-extern int cx25821_video_register(struct cx25821_dev *dev, int chan_num,
-				  struct video_device *video_template);
+extern int cx25821_video_register(struct cx25821_dev *dev);
 extern int cx25821_get_format_size(void);
 
 extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,

drivers/staging/cx25821/cx25821-video0.c

@@ -1,434 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH00];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH00]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH00;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO0))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH00]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel0->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO0)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = PIXEL_FRMT_422;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH00] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH00] = 0;
-	}
-	dev->cif_width[SRAM_CH00] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH00);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH00].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 0 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH00);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template0 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video1.c

@@ -1,434 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH01];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH01]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH01;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO1))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH01]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel1->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO1);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO1)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO1);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH01, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH01] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH01] = 0;
-	}
-	dev->cif_width[SRAM_CH01] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH01);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH01].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 1 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH01);
-}
-
-//exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template1 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video2.c

@@ -1,436 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH02];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH02]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH02;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO2))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH02]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel2->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO2);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO2)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO2);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH02, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH02] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH02] = 0;
-	}
-	dev->cif_width[SRAM_CH02] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH02);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH02].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 2 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH02);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template2 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video3.c

@@ -1,435 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH03];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH03]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH03;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO3))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH03]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel3->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO3);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO3)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO3);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH03, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH03] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH03] = 0;
-	}
-	dev->cif_width[SRAM_CH03] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH03);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH03].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 3 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH03);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template3 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video4.c

@@ -1,434 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH04];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH04]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH04;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO4))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH04]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel4->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO4);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO4)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO4);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	// check priority
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH04, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH04] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH04] = 0;
-	}
-	dev->cif_width[SRAM_CH04] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH04);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH04].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 4 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH04);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template4 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video5.c

@@ -1,434 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH05];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH05]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH05;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO5))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH05]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel5->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO5);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO5)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO5);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH05, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH05] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH05] = 0;
-	}
-	dev->cif_width[SRAM_CH05] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH05);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH05].count;
-
-	return ret_val;
-}
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 5 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH05);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template5 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video6.c

@@ -1,434 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH06];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH06]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH06;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO6))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH06]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel6->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO6);
-	}
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO6)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO6);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH06, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH06] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH06] = 0;
-	}
-	dev->cif_width[SRAM_CH06] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH06);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH06].count;
-
-	return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 6 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH06);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template6 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-video7.c

@@ -1,433 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH07];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH07]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = SRAM_CH07;
-	pix_format =
-	    (dev->pixel_formats[dev->channel_opened] ==
-	     PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO7))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
-		if (buf->vb.state == VIDEOBUF_DONE) {
-			struct cx25821_dev *dev = fh->dev;
-
-			if (dev && dev->use_cif_resolution[SRAM_CH07]) {
-				u8 cam_id = *((char *)buf->vb.baddr + 3);
-				memcpy((char *)buf->vb.baddr,
-				       (char *)buf->vb.baddr + (fh->width * 2),
-				       (fh->width * 2));
-				*((char *)buf->vb.baddr + 3) = cam_id;
-			}
-		}
-
-		return POLLIN | POLLRDNORM;
-	}
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	cx_write(channel7->dma_ctl, 0);	/* FIFO and RISC disable */
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO7);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO7)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO7);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-	int pix_format = 0;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->vidq.field = f->fmt.pix.field;
-
-	// check if width and height is valid based on set standard
-	if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
-		fh->width = f->fmt.pix.width;
-	}
-
-	if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
-		fh->height = f->fmt.pix.height;
-	}
-
-	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
-		pix_format = PIXEL_FRMT_411;
-	else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
-		pix_format = PIXEL_FRMT_422;
-	else
-		return -EINVAL;
-
-	cx25821_set_pixel_format(dev, SRAM_CH07, pix_format);
-
-	// check if cif resolution
-	if (fh->width == 320 || fh->width == 352) {
-		dev->use_cif_resolution[SRAM_CH07] = 1;
-	} else {
-		dev->use_cif_resolution[SRAM_CH07] = 0;
-	}
-	dev->cif_width[SRAM_CH07] = fh->width;
-	medusa_set_resolution(dev, fh->width, SRAM_CH07);
-
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	int ret_val = 0;
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
-	ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
-	p->sequence = dev->vidq[SRAM_CH07].count;
-
-	return ret_val;
-}
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07];
-	u32 tmp = 0;
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-
-	tmp = cx_read(sram_ch->dma_ctl);
-	printk(KERN_INFO "Video input 7 is %s\n",
-	       (tmp & 0x11) ? "streaming" : "stopped");
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return cx25821_set_control(dev, ctl, SRAM_CH07);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template7 = {
-	.name = "cx25821-video",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-videoioctl.c

@@ -1,480 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[VIDEO_IOCTL_CH];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[VIDEO_IOCTL_CH]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	u32 pix_format;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = VIDEO_IOCTL_CH;
-	pix_format = V4L2_PIX_FMT_YUYV;
-	fh->fmt = format_by_fourcc(pix_format);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO_IOCTL))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-		return POLLIN | POLLRDNORM;
-
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO_IOCTL);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->width = f->fmt.pix.width;
-	fh->height = f->fmt.pix.height;
-	fh->vidq.field = f->fmt.pix.field;
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	struct cx25821_fh *fh = priv;
-	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-}
-
-static long video_ioctl_set(struct file *file, unsigned int cmd,
-			    unsigned long arg)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct downstream_user_struct *data_from_user;
-	int command;
-	int width = 720;
-	int selected_channel = 0, pix_format = 0, i = 0;
-	int cif_enable = 0, cif_width = 0;
-	u32 value = 0;
-
-	data_from_user = (struct downstream_user_struct *)arg;
-
-	if (!data_from_user) {
-		printk("cx25821 in %s(): User data is INVALID. Returning.\n",
-		       __func__);
-		return 0;
-	}
-
-	command = data_from_user->command;
-
-	if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
-	    && command != ENABLE_CIF_RESOLUTION && command != REG_READ
-	    && command != REG_WRITE && command != MEDUSA_READ
-	    && command != MEDUSA_WRITE) {
-		return 0;
-	}
-
-	switch (command) {
-	case SET_VIDEO_STD:
-		dev->tvnorm =
-		    !strcmp(data_from_user->vid_stdname,
-			    "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
-		medusa_set_videostandard(dev);
-		break;
-
-	case SET_PIXEL_FORMAT:
-		selected_channel = data_from_user->decoder_select;
-		pix_format = data_from_user->pixel_format;
-
-		if (!(selected_channel <= 7 && selected_channel >= 0)) {
-			selected_channel -= 4;
-			selected_channel = selected_channel % 8;
-		}
-
-		if (selected_channel >= 0)
-			cx25821_set_pixel_format(dev, selected_channel,
-						 pix_format);
-
-		break;
-
-	case ENABLE_CIF_RESOLUTION:
-		selected_channel = data_from_user->decoder_select;
-		cif_enable = data_from_user->cif_resolution_enable;
-		cif_width = data_from_user->cif_width;
-
-		if (cif_enable) {
-			if (dev->tvnorm & V4L2_STD_PAL_BG
-			    || dev->tvnorm & V4L2_STD_PAL_DK)
-				width = 352;
-			else
-				width = (cif_width == 320
-					 || cif_width == 352) ? cif_width : 320;
-		}
-
-		if (!(selected_channel <= 7 && selected_channel >= 0)) {
-			selected_channel -= 4;
-			selected_channel = selected_channel % 8;
-		}
-
-		if (selected_channel <= 7 && selected_channel >= 0) {
-			dev->use_cif_resolution[selected_channel] = cif_enable;
-			dev->cif_width[selected_channel] = width;
-		} else {
-			for (i = 0; i < VID_CHANNEL_NUM; i++) {
-				dev->use_cif_resolution[i] = cif_enable;
-				dev->cif_width[i] = width;
-			}
-		}
-
-		medusa_set_resolution(dev, width, selected_channel);
-		break;
-	case REG_READ:
-		data_from_user->reg_data = cx_read(data_from_user->reg_address);
-		break;
-	case REG_WRITE:
-		cx_write(data_from_user->reg_address, data_from_user->reg_data);
-		break;
-	case MEDUSA_READ:
-		value =
-		    cx25821_i2c_read(&dev->i2c_bus[0],
-				     (u16) data_from_user->reg_address,
-				     &data_from_user->reg_data);
-		break;
-	case MEDUSA_WRITE:
-		cx25821_i2c_write(&dev->i2c_bus[0],
-				  (u16) data_from_user->reg_address,
-				  data_from_user->reg_data);
-		break;
-	}
-
-	return 0;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return 0;
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl_set,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_videoioctl_template = {
-	.name = "cx25821-videoioctl",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-vidups10.c

@@ -1,418 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH10];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH10]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = 9;
-	fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO10))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-		return POLLIN | POLLRDNORM;
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	//cx_write(channel10->dma_ctl, 0);
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO10);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO10)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO10);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
-				   unsigned long arg)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-	int command = 0;
-	struct upstream_user_struct *data_from_user;
-
-	data_from_user = (struct upstream_user_struct *)arg;
-
-	if (!data_from_user) {
-		printk
-		    ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
-		     __func__);
-		return 0;
-	}
-
-	command = data_from_user->command;
-
-	if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
-		return 0;
-	}
-
-	dev->input_filename_ch2 = data_from_user->input_filename;
-	dev->input_audiofilename = data_from_user->input_filename;
-	dev->vid_stdname_ch2 = data_from_user->vid_stdname;
-	dev->pixel_format_ch2 = data_from_user->pixel_format;
-	dev->channel_select_ch2 = data_from_user->channel_select;
-	dev->command_ch2 = data_from_user->command;
-
-	switch (command) {
-	case UPSTREAM_START_VIDEO:
-		cx25821_start_upstream_video_ch2(dev, data_from_user);
-		break;
-
-	case UPSTREAM_STOP_VIDEO:
-		cx25821_stop_upstream_video_ch2(dev);
-		break;
-	}
-
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->width = f->fmt.pix.width;
-	fh->height = f->fmt.pix.height;
-	fh->vidq.field = f->fmt.pix.field;
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	struct cx25821_fh *fh = priv;
-	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return 0;
-}
-
-//exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl_upstream10,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template10 = {
-	.name = "cx25821-upstream10",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821-vidups9.c

@@ -1,416 +0,0 @@
-/*
- *  Driver for the Conexant CX25821 PCIe bridge
- *
- *  Copyright (C) 2009 Conexant Systems Inc.
- *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
-	struct cx25821_buffer *buf =
-	    container_of(vb, struct cx25821_buffer, vb);
-	struct cx25821_buffer *prev;
-	struct cx25821_fh *fh = vq->priv_data;
-	struct cx25821_dev *dev = fh->dev;
-	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH09];
-
-	/* add jump to stopper */
-	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
-	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
-	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */
-
-	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
-	if (!list_empty(&q->queued)) {
-		list_add_tail(&buf->vb.queue, &q->queued);
-		buf->vb.state = VIDEOBUF_QUEUED;
-		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
-			buf->vb.i);
-
-	} else if (list_empty(&q->active)) {
-		list_add_tail(&buf->vb.queue, &q->active);
-		cx25821_start_video_dma(dev, q, buf,
-					&dev->sram_channels[SRAM_CH09]);
-		buf->vb.state = VIDEOBUF_ACTIVE;
-		buf->count = q->count++;
-		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-		dprintk(2,
-			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
-			buf, buf->vb.i, buf->count, q->count);
-	} else {
-		prev =
-		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
-		if (prev->vb.width == buf->vb.width
-		    && prev->vb.height == buf->vb.height
-		    && prev->fmt == buf->fmt) {
-			list_add_tail(&buf->vb.queue, &q->active);
-			buf->vb.state = VIDEOBUF_ACTIVE;
-			buf->count = q->count++;
-			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
-			/* 64 bit bits 63-32 */
-			prev->risc.jmp[2] = cpu_to_le32(0);
-			dprintk(2,
-				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
-				buf, buf->vb.i, buf->count);
-
-		} else {
-			list_add_tail(&buf->vb.queue, &q->queued);
-			buf->vb.state = VIDEOBUF_QUEUED;
-			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
-				buf->vb.i);
-		}
-	}
-
-	if (list_empty(&q->active)) {
-		dprintk(2, "active queue empty!\n");
-	}
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
-	.buf_setup = cx25821_buffer_setup,
-	.buf_prepare = cx25821_buffer_prepare,
-	.buf_queue = buffer_queue,
-	.buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct cx25821_dev *dev = video_drvdata(file);
-	struct cx25821_fh *fh;
-	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
-		v4l2_type_names[type]);
-
-	/* allocate + initialize per filehandle data */
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (NULL == fh)
-		return -ENOMEM;
-
-	lock_kernel();
-
-	file->private_data = fh;
-	fh->dev = dev;
-	fh->type = type;
-	fh->width = 720;
-
-	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
-		fh->height = 576;
-	else
-		fh->height = 480;
-
-	dev->channel_opened = 8;
-	fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
-
-	v4l2_prio_open(&dev->prio, &fh->prio);
-
-	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
-			       &dev->pci->dev, &dev->slock,
-			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-			       V4L2_FIELD_INTERLACED,
-			       sizeof(struct cx25821_buffer), fh);
-
-	dprintk(1, "post videobuf_queue_init()\n");
-	unlock_kernel();
-
-	return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
-			  loff_t * ppos)
-{
-	struct cx25821_fh *fh = file->private_data;
-
-	switch (fh->type) {
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO9))
-			return -EBUSY;
-
-		return videobuf_read_one(&fh->vidq, data, count, ppos,
-					 file->f_flags & O_NONBLOCK);
-
-	default:
-		BUG();
-		return 0;
-	}
-}
-
-static unsigned int video_poll(struct file *file,
-			       struct poll_table_struct *wait)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_buffer *buf;
-
-	if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
-		/* streaming capture */
-		if (list_empty(&fh->vidq.stream))
-			return POLLERR;
-		buf = list_entry(fh->vidq.stream.next,
-				 struct cx25821_buffer, vb.stream);
-	} else {
-		/* read() capture */
-		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
-		if (NULL == buf)
-			return POLLERR;
-	}
-
-	poll_wait(file, &buf->vb.done, wait);
-	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
-		return POLLIN | POLLRDNORM;
-	return 0;
-}
-
-static int video_release(struct file *file)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-
-	//stop the risc engine and fifo
-	//cx_write(channel9->dma_ctl, 0);
-
-	/* stop video capture */
-	if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
-		videobuf_queue_cancel(&fh->vidq);
-		cx25821_res_free(dev, fh, RESOURCE_VIDEO9);
-	}
-
-	if (fh->vidq.read_buf) {
-		cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
-		kfree(fh->vidq.read_buf);
-	}
-
-	videobuf_mmap_free(&fh->vidq);
-
-	v4l2_prio_close(&dev->prio, fh->prio);
-
-	file->private_data = NULL;
-	kfree(fh);
-
-	return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-
-	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(i != fh->type)) {
-		return -EINVAL;
-	}
-
-	if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO9)))) {
-		return -EBUSY;
-	}
-
-	return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
-	int err, res;
-
-	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	if (i != fh->type)
-		return -EINVAL;
-
-	res = cx25821_get_resource(fh, RESOURCE_VIDEO9);
-	err = videobuf_streamoff(get_queue(fh));
-	if (err < 0)
-		return err;
-	cx25821_res_free(dev, fh, res);
-	return 0;
-}
-
-static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
-				  unsigned long arg)
-{
-	struct cx25821_fh *fh = file->private_data;
-	struct cx25821_dev *dev = fh->dev;
-	int command = 0;
-	struct upstream_user_struct *data_from_user;
-
-	data_from_user = (struct upstream_user_struct *)arg;
-
-	if (!data_from_user) {
-		printk
-		    ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
-		     __func__);
-		return 0;
-	}
-
-	command = data_from_user->command;
-
-	if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
-		return 0;
-	}
-
-	dev->input_filename = data_from_user->input_filename;
-	dev->input_audiofilename = data_from_user->input_filename;
-	dev->vid_stdname = data_from_user->vid_stdname;
-	dev->pixel_format = data_from_user->pixel_format;
-	dev->channel_select = data_from_user->channel_select;
-	dev->command = data_from_user->command;
-
-	switch (command) {
-	case UPSTREAM_START_VIDEO:
-		cx25821_start_upstream_video_ch1(dev, data_from_user);
-		break;
-
-	case UPSTREAM_STOP_VIDEO:
-		cx25821_stop_upstream_video_ch1(dev);
-		break;
-	}
-
-	return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	int err;
-
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	dprintk(2, "%s()\n", __func__);
-	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
-	if (0 != err)
-		return err;
-	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-	fh->width = f->fmt.pix.width;
-	fh->height = f->fmt.pix.height;
-	fh->vidq.field = f->fmt.pix.field;
-	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
-		fh->height, fh->vidq.field);
-	cx25821_call_all(dev, video, s_fmt, f);
-	return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
-	struct cx25821_fh *fh = priv;
-	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-}
-static int vidioc_log_status(struct file *file, void *priv)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	char name[32 + 2];
-
-	snprintf(name, sizeof(name), "%s/2", dev->name);
-	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
-	       dev->name);
-	cx25821_call_all(dev, core, log_status);
-	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
-	       dev->name);
-	return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
-			 struct v4l2_control *ctl)
-{
-	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-	struct cx25821_fh *fh = priv;
-	int err;
-	if (fh) {
-		err = v4l2_prio_check(&dev->prio, fh->prio);
-		if (0 != err)
-			return err;
-	}
-
-	return 0;
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
-	.owner = THIS_MODULE,
-	.open = video_open,
-	.release = video_release,
-	.read = video_read,
-	.poll = video_poll,
-	.mmap = cx25821_video_mmap,
-	.ioctl = video_ioctl_upstream9,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap = cx25821_vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
-	.vidioc_reqbufs = cx25821_vidioc_reqbufs,
-	.vidioc_querybuf = cx25821_vidioc_querybuf,
-	.vidioc_qbuf = cx25821_vidioc_qbuf,
-	.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
-	.vidioc_s_std = cx25821_vidioc_s_std,
-	.vidioc_querystd = cx25821_vidioc_querystd,
-#endif
-	.vidioc_cropcap = cx25821_vidioc_cropcap,
-	.vidioc_s_crop = cx25821_vidioc_s_crop,
-	.vidioc_g_crop = cx25821_vidioc_g_crop,
-	.vidioc_enum_input = cx25821_vidioc_enum_input,
-	.vidioc_g_input = cx25821_vidioc_g_input,
-	.vidioc_s_input = cx25821_vidioc_s_input,
-	.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
-	.vidioc_s_ctrl = vidioc_s_ctrl,
-	.vidioc_queryctrl = cx25821_vidioc_queryctrl,
-	.vidioc_streamon = vidioc_streamon,
-	.vidioc_streamoff = vidioc_streamoff,
-	.vidioc_log_status = vidioc_log_status,
-	.vidioc_g_priority = cx25821_vidioc_g_priority,
-	.vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	.vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
-	.vidioc_g_tuner = cx25821_vidioc_g_tuner,
-	.vidioc_s_tuner = cx25821_vidioc_s_tuner,
-	.vidioc_g_frequency = cx25821_vidioc_g_frequency,
-	.vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template9 = {
-	.name = "cx25821-upstream9",
-	.fops = &video_fops,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = CX25821_NORMS,
-	.current_norm = V4L2_STD_NTSC_M,
-};

drivers/staging/cx25821/cx25821.h

@@ -61,7 +61,7 @@
 #define FALSE   0
 #define LINE_SIZE_D1    1440
 
-// Number of decoders and encoders
+/* Number of decoders and encoders */
 #define MAX_DECODERS            8
 #define MAX_ENCODERS            2
 #define QUAD_DECODERS           4
@@ -139,6 +139,7 @@ struct cx25821_fh {
 	/* video capture */
 	struct cx25821_fmt *fmt;
 	unsigned int width, height;
+    int channel_id;
 
 	/* vbi capture */
 	struct videobuf_queue vidq;
@@ -236,13 +237,34 @@ struct cx25821_data {
 	struct sram_channel *channel;
 };
 
+struct cx25821_channel {
+       struct v4l2_prio_state prio;
+
+       int ctl_bright;
+       int ctl_contrast;
+       int ctl_hue;
+       int ctl_saturation;
+
+       struct cx25821_data timeout_data;
+
+       struct video_device *video_dev;
+       struct cx25821_dmaqueue vidq;
+
+       struct sram_channel *sram_channels;
+
+       struct mutex lock;
+       int resources;
+
+       int pixel_formats;
+       int use_cif_resolution;
+       int cif_width;
+};
+
 struct cx25821_dev {
 	struct list_head devlist;
 	atomic_t refcount;
 	struct v4l2_device v4l2_dev;
 
-	struct v4l2_prio_state prio;
-
 	/* pci stuff */
 	struct pci_dev *pci;
 	unsigned char pci_rev, pci_lat;
@@ -261,13 +283,12 @@ struct cx25821_dev {
 	int nr;
 	struct mutex lock;
 
+    struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
+
 	/* board details */
 	unsigned int board;
 	char name[32];
 
-	/* sram configuration */
-	struct sram_channel *sram_channels;
-
 	/* Analog video */
 	u32 resources;
 	unsigned int input;
@@ -282,13 +303,6 @@ struct cx25821_dev {
 	unsigned char videc_addr;
 	unsigned short _max_num_decoders;
 
-	int ctl_bright;
-	int ctl_contrast;
-	int ctl_hue;
-	int ctl_saturation;
-
-	struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
-
 	/* Analog Audio Upstream */
 	int _audio_is_running;
 	int _audiopixel_format;
@@ -297,7 +311,7 @@ struct cx25821_dev {
 	int _audio_lines_count;
 	int _audioframe_count;
 	int _audio_upstream_channel_select;
-	int _last_index_irq;	//The last interrupt index processed.
+       int _last_index_irq;    /* The last interrupt index processed. */
 
 	__le32 *_risc_audio_jmp_addr;
 	__le32 *_risc_virt_start_addr;
@@ -313,12 +327,10 @@ struct cx25821_dev {
 
 	/* V4l */
 	u32 freq;
-	struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
 	struct video_device *vbi_dev;
 	struct video_device *radio_dev;
 	struct video_device *ioctl_dev;
 
-	struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
 	spinlock_t slock;
 
 	/* Video Upstream */
@@ -401,9 +413,6 @@ struct cx25821_dev {
 	int pixel_format;
 	int channel_select;
 	int command;
-	int pixel_formats[VID_CHANNEL_NUM];
-	int use_cif_resolution[VID_CHANNEL_NUM];
-	int cif_width[VID_CHANNEL_NUM];
 	int channel_opened;
 };
 
@@ -482,7 +491,7 @@ struct sram_channel {
 	u32 fld_aud_fifo_en;
 	u32 fld_aud_risc_en;
 
-	//For Upstream Video
+       /* For Upstream Video */
 	u32 vid_fmt_ctl;
 	u32 vid_active_ctl1;
 	u32 vid_active_ctl2;