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@@ -0,0 +1,1228 @@
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+/*
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+ * Hauppage HD PVR USB driver - video 4 linux 2 interface
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+ *
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+ * Copyright (C) 2008 Janne Grunau (j@jannau.net)
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation, version 2.
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+ *
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/errno.h>
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+#include <linux/init.h>
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+#include <linux/slab.h>
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+#include <linux/module.h>
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+#include <linux/uaccess.h>
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+#include <linux/usb.h>
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+#include <linux/mutex.h>
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+#include <linux/version.h>
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+#include <linux/workqueue.h>
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+
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+#include <linux/videodev2.h>
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+#include <media/v4l2-dev.h>
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+#include <media/v4l2-common.h>
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+#include <media/v4l2-ioctl.h>
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+#include "hdpvr.h"
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+
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+#define BULK_URB_TIMEOUT 1250 /* 1.25 seconds */
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+
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+struct hdpvr_fh {
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+ struct hdpvr_device *dev;
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+};
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+
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+static uint list_size(struct list_head *list)
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+{
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+ struct list_head *tmp;
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+ uint count = 0;
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+
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+ list_for_each(tmp, list) {
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+ count++;
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+ }
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+
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+ return count;
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+}
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+
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+/*=========================================================================*/
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+/* urb callback */
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+static void hdpvr_read_bulk_callback(struct urb *urb)
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+{
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+ struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context;
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+ struct hdpvr_device *dev = buf->dev;
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+
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+ /* marking buffer as received and wake waiting */
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+ buf->status = BUFSTAT_READY;
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+ wake_up_interruptible(&dev->wait_data);
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+}
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+
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+/*=========================================================================*/
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+/* bufffer bits */
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+
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+/* function expects dev->io_mutex to be hold by caller */
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+int hdpvr_cancel_queue(struct hdpvr_device *dev)
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+{
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+ struct hdpvr_buffer *buf;
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+
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+ list_for_each_entry(buf, &dev->rec_buff_list, buff_list) {
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+ usb_kill_urb(buf->urb);
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+ buf->status = BUFSTAT_AVAILABLE;
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+ }
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+
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+ list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev);
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+
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+ return 0;
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+}
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+
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+static int hdpvr_free_queue(struct list_head *q)
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+{
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+ struct list_head *tmp;
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+ struct list_head *p;
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+ struct hdpvr_buffer *buf;
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+ struct urb *urb;
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+
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+ for (p = q->next; p != q;) {
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+ buf = list_entry(p, struct hdpvr_buffer, buff_list);
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+
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+ urb = buf->urb;
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+ usb_buffer_free(urb->dev, urb->transfer_buffer_length,
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+ urb->transfer_buffer, urb->transfer_dma);
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+ usb_free_urb(urb);
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+ tmp = p->next;
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+ list_del(p);
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+ kfree(buf);
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+ p = tmp;
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+ }
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+
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+ return 0;
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+}
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+
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+/* function expects dev->io_mutex to be hold by caller */
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+int hdpvr_free_buffers(struct hdpvr_device *dev)
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+{
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+ hdpvr_cancel_queue(dev);
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+
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+ hdpvr_free_queue(&dev->free_buff_list);
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+ hdpvr_free_queue(&dev->rec_buff_list);
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+
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+ return 0;
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+}
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+
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+/* function expects dev->io_mutex to be hold by caller */
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+int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count)
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+{
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+ uint i;
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+ int retval = -ENOMEM;
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+ u8 *mem;
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+ struct hdpvr_buffer *buf;
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+ struct urb *urb;
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+
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+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
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+ "allocating %u buffers\n", count);
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+
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+ for (i = 0; i < count; i++) {
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+
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+ buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL);
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+ if (!buf) {
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+ err("cannot allocate buffer");
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+ goto exit;
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+ }
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+ buf->dev = dev;
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+
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+ urb = usb_alloc_urb(0, GFP_KERNEL);
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+ if (!urb) {
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+ err("cannot allocate urb");
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+ goto exit;
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+ }
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+ buf->urb = urb;
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+
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+ mem = usb_buffer_alloc(dev->udev, dev->bulk_in_size, GFP_KERNEL,
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+ &urb->transfer_dma);
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+ if (!mem) {
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+ err("cannot allocate usb transfer buffer");
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+ goto exit;
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+ }
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+
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+ usb_fill_bulk_urb(buf->urb, dev->udev,
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+ usb_rcvbulkpipe(dev->udev,
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+ dev->bulk_in_endpointAddr),
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+ mem, dev->bulk_in_size,
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+ hdpvr_read_bulk_callback, buf);
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+
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+ buf->status = BUFSTAT_AVAILABLE;
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+ list_add_tail(&buf->buff_list, &dev->free_buff_list);
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+ }
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+ return 0;
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+exit:
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+ hdpvr_free_buffers(dev);
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+ return retval;
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+}
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+
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+static int hdpvr_submit_buffers(struct hdpvr_device *dev)
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+{
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+ struct hdpvr_buffer *buf;
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+ struct urb *urb;
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+ int ret = 0, err_count = 0;
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+
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+ mutex_lock(&dev->io_mutex);
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+
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+ while (dev->status == STATUS_STREAMING &&
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+ !list_empty(&dev->free_buff_list)) {
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+
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+ buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer,
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+ buff_list);
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+ if (buf->status != BUFSTAT_AVAILABLE) {
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+ err("buffer not marked as availbale");
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+ ret = -EFAULT;
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+ goto err;
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+ }
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+
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+ urb = buf->urb;
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+ urb->status = 0;
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+ urb->actual_length = 0;
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+ ret = usb_submit_urb(urb, GFP_KERNEL);
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+ if (ret) {
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+ err("usb_submit_urb in %s returned %d", __func__, ret);
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+ if (++err_count > 2)
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+ break;
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+ continue;
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+ }
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+ buf->status = BUFSTAT_INPROGRESS;
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+ list_move_tail(&buf->buff_list, &dev->rec_buff_list);
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+ }
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+err:
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+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
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+ "buffer queue stat: %d free, %d proc\n",
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+ list_size(&dev->free_buff_list),
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+ list_size(&dev->rec_buff_list));
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+ mutex_unlock(&dev->io_mutex);
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+ return ret;
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+}
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+
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+static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev)
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+{
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+ struct hdpvr_buffer *buf;
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+
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+ mutex_lock(&dev->io_mutex);
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+
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+ if (list_empty(&dev->rec_buff_list)) {
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+ mutex_unlock(&dev->io_mutex);
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+ return NULL;
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+ }
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+
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+ buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer,
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+ buff_list);
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+ mutex_unlock(&dev->io_mutex);
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+
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+ return buf;
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+}
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+
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+static void hdpvr_transmit_buffers(struct work_struct *work)
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+{
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+ struct hdpvr_device *dev = container_of(work, struct hdpvr_device,
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+ worker);
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+
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+ while (dev->status == STATUS_STREAMING) {
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+
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+ if (hdpvr_submit_buffers(dev)) {
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+ v4l2_err(dev->video_dev, "couldn't submit buffers\n");
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+ goto error;
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+ }
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+ if (wait_event_interruptible(dev->wait_buffer,
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+ !list_empty(&dev->free_buff_list) ||
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+ dev->status != STATUS_STREAMING))
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+ goto error;
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+ }
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+
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+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
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+ "transmit worker exited\n");
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+ return;
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+error:
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+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
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+ "transmit buffers errored\n");
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+ dev->status = STATUS_ERROR;
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+}
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+
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+/* function expects dev->io_mutex to be hold by caller */
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+static int hdpvr_start_streaming(struct hdpvr_device *dev)
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+{
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+ int ret;
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+ struct hdpvr_video_info *vidinf;
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+
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+ if (dev->status == STATUS_STREAMING)
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+ return 0;
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+ else if (dev->status != STATUS_IDLE)
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+ return -EAGAIN;
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+
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+ vidinf = get_video_info(dev);
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+
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+ if (vidinf) {
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+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
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+ "video signal: %dx%d@%dhz\n", vidinf->width,
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+ vidinf->height, vidinf->fps);
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+ kfree(vidinf);
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+
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+ /* start streaming 2 request */
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+ ret = usb_control_msg(dev->udev,
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+ usb_sndctrlpipe(dev->udev, 0),
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+ 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
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+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
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+ "encoder start control request returned %d\n", ret);
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+
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+ hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
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+
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+ INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
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+ queue_work(dev->workqueue, &dev->worker);
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+
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+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
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+ "streaming started\n");
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+ dev->status = STATUS_STREAMING;
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+
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+ return 0;
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+ }
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+ msleep(250);
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+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
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+ "no video signal at input %d\n", dev->options.video_input);
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+ return -EAGAIN;
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+}
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+
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+
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+/* function expects dev->io_mutex to be hold by caller */
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+static int hdpvr_stop_streaming(struct hdpvr_device *dev)
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+{
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+ if (dev->status == STATUS_IDLE)
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+ return 0;
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+ else if (dev->status != STATUS_STREAMING)
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+ return -EAGAIN;
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+
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+ dev->status = STATUS_SHUTTING_DOWN;
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+ hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
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+
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+ wake_up_interruptible(&dev->wait_buffer);
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+ msleep(50);
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+
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+ flush_workqueue(dev->workqueue);
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+
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+ /* kill the still outstanding urbs */
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+ hdpvr_cancel_queue(dev);
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+
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+ dev->status = STATUS_IDLE;
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+
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+ return 0;
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+}
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+
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+
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+/*=======================================================================*/
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+/*
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+ * video 4 linux 2 file operations
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+ */
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+
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+static int hdpvr_open(struct file *file)
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+{
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+ struct hdpvr_device *dev;
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+ struct hdpvr_fh *fh;
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+ int retval = -ENOMEM;
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+
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+ dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file));
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+ if (!dev) {
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+ err("open failing with with ENODEV");
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+ retval = -ENODEV;
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+ goto err;
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+ }
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+
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+ fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL);
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+ if (!fh) {
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+ err("Out of memory?");
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+ goto err;
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+ }
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+ /* lock the device to allow correctly handling errors
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+ * in resumption */
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+ mutex_lock(&dev->io_mutex);
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+ dev->open_count++;
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+
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+ fh->dev = dev;
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+
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+ /* save our object in the file's private structure */
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+ file->private_data = fh;
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+
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+ retval = 0;
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+err:
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+ mutex_unlock(&dev->io_mutex);
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+ return retval;
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+}
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+
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+static int hdpvr_release(struct file *file)
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+{
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+ struct hdpvr_fh *fh = (struct hdpvr_fh *)file->private_data;
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+ struct hdpvr_device *dev = fh->dev;
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+
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+ if (!dev)
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+ return -ENODEV;
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+
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+ mutex_lock(&dev->io_mutex);
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+ if (!(--dev->open_count) && dev->status == STATUS_STREAMING)
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+ hdpvr_stop_streaming(dev);
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+
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+ mutex_unlock(&dev->io_mutex);
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+
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+ return 0;
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+}
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+
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+/*
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+ * hdpvr_v4l2_read()
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+ * will allocate buffers when called for the first time
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+ */
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+static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
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+ loff_t *pos)
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+{
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+ struct hdpvr_fh *fh = file->private_data;
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+ struct hdpvr_device *dev = fh->dev;
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+ struct hdpvr_buffer *buf = NULL;
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+ struct urb *urb;
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+ unsigned int ret = 0;
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+ int rem, cnt;
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+
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+ if (*pos)
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+ return -ESPIPE;
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+
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+ if (!dev)
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+ return -ENODEV;
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+
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+ mutex_lock(&dev->io_mutex);
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+ if (dev->status == STATUS_IDLE) {
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+ if (hdpvr_start_streaming(dev)) {
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+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
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+ "start_streaming failed");
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+ ret = -EIO;
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+ msleep(200);
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+ dev->status = STATUS_IDLE;
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+ mutex_unlock(&dev->io_mutex);
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+ goto err;
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+ }
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+
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+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
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+ "buffer queue stat: %d free, %d proc\n",
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+ list_size(&dev->free_buff_list),
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+ list_size(&dev->rec_buff_list));
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+ }
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+ mutex_unlock(&dev->io_mutex);
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+
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+ /* wait for the first buffer */
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+ if (!(file->f_flags & O_NONBLOCK)) {
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+ if (wait_event_interruptible(dev->wait_data,
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+ hdpvr_get_next_buffer(dev)))
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+ return -ERESTARTSYS;
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+ }
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+
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+ buf = hdpvr_get_next_buffer(dev);
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+
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+ while (count > 0 && buf) {
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+
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+ if (buf->status != BUFSTAT_READY &&
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|
|
+ dev->status != STATUS_DISCONNECTED) {
|
|
|
+ /* return nonblocking */
|
|
|
+ if (file->f_flags & O_NONBLOCK) {
|
|
|
+ if (!ret)
|
|
|
+ ret = -EAGAIN;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (wait_event_interruptible(dev->wait_data,
|
|
|
+ buf->status == BUFSTAT_READY)) {
|
|
|
+ ret = -ERESTARTSYS;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (buf->status != BUFSTAT_READY)
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* set remaining bytes to copy */
|
|
|
+ urb = buf->urb;
|
|
|
+ rem = urb->actual_length - buf->pos;
|
|
|
+ cnt = rem > count ? count : rem;
|
|
|
+
|
|
|
+ if (copy_to_user(buffer, urb->transfer_buffer + buf->pos,
|
|
|
+ cnt)) {
|
|
|
+ err("read: copy_to_user failed");
|
|
|
+ if (!ret)
|
|
|
+ ret = -EFAULT;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+
|
|
|
+ buf->pos += cnt;
|
|
|
+ count -= cnt;
|
|
|
+ buffer += cnt;
|
|
|
+ ret += cnt;
|
|
|
+
|
|
|
+ /* finished, take next buffer */
|
|
|
+ if (buf->pos == urb->actual_length) {
|
|
|
+ mutex_lock(&dev->io_mutex);
|
|
|
+ buf->pos = 0;
|
|
|
+ buf->status = BUFSTAT_AVAILABLE;
|
|
|
+
|
|
|
+ list_move_tail(&buf->buff_list, &dev->free_buff_list);
|
|
|
+
|
|
|
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
|
|
|
+ "buffer queue stat: %d free, %d proc\n",
|
|
|
+ list_size(&dev->free_buff_list),
|
|
|
+ list_size(&dev->rec_buff_list));
|
|
|
+
|
|
|
+ mutex_unlock(&dev->io_mutex);
|
|
|
+
|
|
|
+ wake_up_interruptible(&dev->wait_buffer);
|
|
|
+
|
|
|
+ buf = hdpvr_get_next_buffer(dev);
|
|
|
+ }
|
|
|
+ }
|
|
|
+err:
|
|
|
+ if (!ret && !buf)
|
|
|
+ ret = -EAGAIN;
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ unsigned int mask = 0;
|
|
|
+
|
|
|
+ mutex_lock(&dev->io_mutex);
|
|
|
+
|
|
|
+ if (video_is_unregistered(dev->video_dev))
|
|
|
+ return -EIO;
|
|
|
+
|
|
|
+ if (dev->status == STATUS_IDLE) {
|
|
|
+ if (hdpvr_start_streaming(dev)) {
|
|
|
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
|
|
|
+ "start_streaming failed");
|
|
|
+ dev->status = STATUS_IDLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev,
|
|
|
+ "buffer queue stat: %d free, %d proc\n",
|
|
|
+ list_size(&dev->free_buff_list),
|
|
|
+ list_size(&dev->rec_buff_list));
|
|
|
+ }
|
|
|
+ mutex_unlock(&dev->io_mutex);
|
|
|
+
|
|
|
+ poll_wait(filp, &dev->wait_data, wait);
|
|
|
+
|
|
|
+ mutex_lock(&dev->io_mutex);
|
|
|
+ if (!list_empty(&dev->rec_buff_list)) {
|
|
|
+
|
|
|
+ struct hdpvr_buffer *buf = list_entry(dev->rec_buff_list.next,
|
|
|
+ struct hdpvr_buffer,
|
|
|
+ buff_list);
|
|
|
+
|
|
|
+ if (buf->status == BUFSTAT_READY)
|
|
|
+ mask |= POLLIN | POLLRDNORM;
|
|
|
+ }
|
|
|
+ mutex_unlock(&dev->io_mutex);
|
|
|
+
|
|
|
+ return mask;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static long hdpvr_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int res;
|
|
|
+
|
|
|
+ if (video_is_unregistered(dev->video_dev))
|
|
|
+ return -EIO;
|
|
|
+
|
|
|
+ mutex_lock(&dev->io_mutex);
|
|
|
+ switch (cmd) {
|
|
|
+ case VIDIOC_TRY_ENCODER_CMD:
|
|
|
+ case VIDIOC_ENCODER_CMD: {
|
|
|
+ struct v4l2_encoder_cmd *enc = (struct v4l2_encoder_cmd *)arg;
|
|
|
+ int try = cmd == VIDIOC_TRY_ENCODER_CMD;
|
|
|
+
|
|
|
+ memset(&enc->raw, 0, sizeof(enc->raw));
|
|
|
+ switch (enc->cmd) {
|
|
|
+ case V4L2_ENC_CMD_START:
|
|
|
+ enc->flags = 0;
|
|
|
+ if (try)
|
|
|
+ return 0;
|
|
|
+ res = hdpvr_start_streaming(dev);
|
|
|
+ break;
|
|
|
+ case V4L2_ENC_CMD_STOP:
|
|
|
+ if (try)
|
|
|
+ return 0;
|
|
|
+ res = hdpvr_stop_streaming(dev);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev,
|
|
|
+ "Unsupported encoder cmd %d\n", enc->cmd);
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ default:
|
|
|
+ res = video_ioctl2(filp, cmd, arg);
|
|
|
+ }
|
|
|
+ mutex_unlock(&dev->io_mutex);
|
|
|
+ return res;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct v4l2_file_operations hdpvr_fops = {
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .open = hdpvr_open,
|
|
|
+ .release = hdpvr_release,
|
|
|
+ .read = hdpvr_read,
|
|
|
+ .poll = hdpvr_poll,
|
|
|
+ .unlocked_ioctl = hdpvr_ioctl,
|
|
|
+};
|
|
|
+
|
|
|
+/*=======================================================================*/
|
|
|
+/*
|
|
|
+ * V4L2 ioctl handling
|
|
|
+ */
|
|
|
+
|
|
|
+static int vidioc_querycap(struct file *file, void *priv,
|
|
|
+ struct v4l2_capability *cap)
|
|
|
+{
|
|
|
+ struct hdpvr_device *dev = video_drvdata(file);
|
|
|
+
|
|
|
+ strcpy(cap->driver, "hdpvr");
|
|
|
+ strcpy(cap->card, "Haupauge HD PVR");
|
|
|
+ usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
|
|
|
+ cap->version = HDPVR_VERSION;
|
|
|
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
|
|
|
+ V4L2_CAP_AUDIO |
|
|
|
+ V4L2_CAP_READWRITE;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_s_std(struct file *file, void *private_data,
|
|
|
+ v4l2_std_id *std)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ u8 std_type = 1;
|
|
|
+
|
|
|
+ if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60))
|
|
|
+ std_type = 0;
|
|
|
+
|
|
|
+ return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type);
|
|
|
+}
|
|
|
+
|
|
|
+static const char *iname[] = {
|
|
|
+ [HDPVR_COMPONENT] = "Component",
|
|
|
+ [HDPVR_SVIDEO] = "S-Video",
|
|
|
+ [HDPVR_COMPOSITE] = "Composite",
|
|
|
+};
|
|
|
+
|
|
|
+static int vidioc_enum_input(struct file *file, void *priv,
|
|
|
+ struct v4l2_input *i)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ unsigned int n;
|
|
|
+
|
|
|
+ n = i->index;
|
|
|
+ if (n >= HDPVR_VIDEO_INPUTS)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ i->type = V4L2_INPUT_TYPE_CAMERA;
|
|
|
+
|
|
|
+ strncpy(i->name, iname[n], sizeof(i->name) - 1);
|
|
|
+ i->name[sizeof(i->name) - 1] = '\0';
|
|
|
+
|
|
|
+ i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
|
|
|
+
|
|
|
+ i->std = dev->video_dev->tvnorms;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_s_input(struct file *file, void *private_data,
|
|
|
+ unsigned int index)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int retval;
|
|
|
+
|
|
|
+ if (index >= HDPVR_VIDEO_INPUTS)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ if (dev->status != STATUS_IDLE)
|
|
|
+ return -EAGAIN;
|
|
|
+
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.video_input = index;
|
|
|
+
|
|
|
+ return retval;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_g_input(struct file *file, void *private_data,
|
|
|
+ unsigned int *index)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+
|
|
|
+ *index = dev->options.video_input;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static const char *audio_iname[] = {
|
|
|
+ [HDPVR_RCA_FRONT] = "RCA front",
|
|
|
+ [HDPVR_RCA_BACK] = "RCA back",
|
|
|
+ [HDPVR_SPDIF] = "SPDIF",
|
|
|
+};
|
|
|
+
|
|
|
+static int vidioc_enumaudio(struct file *file, void *priv,
|
|
|
+ struct v4l2_audio *audio)
|
|
|
+{
|
|
|
+ unsigned int n;
|
|
|
+
|
|
|
+ n = audio->index;
|
|
|
+ if (n >= HDPVR_AUDIO_INPUTS)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ audio->capability = V4L2_AUDCAP_STEREO;
|
|
|
+
|
|
|
+ strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
|
|
|
+ audio->name[sizeof(audio->name) - 1] = '\0';
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_s_audio(struct file *file, void *private_data,
|
|
|
+ struct v4l2_audio *audio)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int retval;
|
|
|
+
|
|
|
+ if (audio->index >= HDPVR_AUDIO_INPUTS)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ if (dev->status != STATUS_IDLE)
|
|
|
+ return -EAGAIN;
|
|
|
+
|
|
|
+ retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.audio_input = audio->index;
|
|
|
+
|
|
|
+ return retval;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_g_audio(struct file *file, void *private_data,
|
|
|
+ struct v4l2_audio *audio)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+
|
|
|
+ audio->index = dev->options.audio_input;
|
|
|
+ audio->capability = V4L2_AUDCAP_STEREO;
|
|
|
+ strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
|
|
|
+ audio->name[sizeof(audio->name) - 1] = '\0';
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static const s32 supported_v4l2_ctrls[] = {
|
|
|
+ V4L2_CID_BRIGHTNESS,
|
|
|
+ V4L2_CID_CONTRAST,
|
|
|
+ V4L2_CID_SATURATION,
|
|
|
+ V4L2_CID_HUE,
|
|
|
+ V4L2_CID_SHARPNESS,
|
|
|
+ V4L2_CID_MPEG_AUDIO_ENCODING,
|
|
|
+ V4L2_CID_MPEG_VIDEO_ENCODING,
|
|
|
+ V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
|
|
|
+ V4L2_CID_MPEG_VIDEO_BITRATE,
|
|
|
+ V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
|
|
|
+};
|
|
|
+
|
|
|
+static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc,
|
|
|
+ int ac3)
|
|
|
+{
|
|
|
+ int err;
|
|
|
+
|
|
|
+ switch (qc->id) {
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86);
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
|
|
|
+ case V4L2_CID_SHARPNESS:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
|
|
|
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
+ return v4l2_ctrl_query_fill(
|
|
|
+ qc, V4L2_MPEG_AUDIO_ENCODING_AAC,
|
|
|
+ ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3
|
|
|
+ : V4L2_MPEG_AUDIO_ENCODING_AAC,
|
|
|
+ 1, V4L2_MPEG_AUDIO_ENCODING_AAC);
|
|
|
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
+ return v4l2_ctrl_query_fill(
|
|
|
+ qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC,
|
|
|
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
|
|
|
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC);
|
|
|
+
|
|
|
+/* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */
|
|
|
+/* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
+ return v4l2_ctrl_query_fill(
|
|
|
+ qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
|
|
|
+ V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
|
|
|
+ V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
|
|
|
+
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
|
|
|
+ return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000,
|
|
|
+ 6500000);
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
|
|
|
+ err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000,
|
|
|
+ 9000000);
|
|
|
+ if (!err && opt->bitrate_mode == HDPVR_CONSTANT)
|
|
|
+ qc->flags |= V4L2_CTRL_FLAG_INACTIVE;
|
|
|
+ return err;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_queryctrl(struct file *file, void *private_data,
|
|
|
+ struct v4l2_queryctrl *qc)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int i, next;
|
|
|
+ u32 id = qc->id;
|
|
|
+
|
|
|
+ memset(qc, 0, sizeof(*qc));
|
|
|
+
|
|
|
+ next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL);
|
|
|
+ qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL;
|
|
|
+
|
|
|
+ for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) {
|
|
|
+ if (next) {
|
|
|
+ if (qc->id < supported_v4l2_ctrls[i])
|
|
|
+ qc->id = supported_v4l2_ctrls[i];
|
|
|
+ else
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (qc->id == supported_v4l2_ctrls[i])
|
|
|
+ return fill_queryctrl(&dev->options, qc,
|
|
|
+ dev->flags & HDPVR_FLAG_AC3_CAP);
|
|
|
+
|
|
|
+ if (qc->id < supported_v4l2_ctrls[i])
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ return -EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_g_ctrl(struct file *file, void *private_data,
|
|
|
+ struct v4l2_control *ctrl)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ ctrl->value = dev->options.brightness;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ ctrl->value = dev->options.contrast;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ ctrl->value = dev->options.saturation;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ ctrl->value = dev->options.hue;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_SHARPNESS:
|
|
|
+ ctrl->value = dev->options.sharpness;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_s_ctrl(struct file *file, void *private_data,
|
|
|
+ struct v4l2_control *ctrl)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int retval;
|
|
|
+
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_BRIGHTNESS:
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.brightness = ctrl->value;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_CONTRAST:
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.contrast = ctrl->value;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_SATURATION:
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.saturation = ctrl->value;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_HUE:
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.hue = ctrl->value;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_SHARPNESS:
|
|
|
+ retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value);
|
|
|
+ if (!retval)
|
|
|
+ dev->options.sharpness = ctrl->value;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+
|
|
|
+ return retval;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int hdpvr_get_ctrl(struct hdpvr_options *opt,
|
|
|
+ struct v4l2_ext_control *ctrl)
|
|
|
+{
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
+ ctrl->value = opt->audio_codec;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
+ ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC;
|
|
|
+ break;
|
|
|
+/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
|
|
|
+/* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */
|
|
|
+/* break; */
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
+ ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT
|
|
|
+ ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR
|
|
|
+ : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
|
|
|
+ ctrl->value = opt->bitrate * 100000;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
|
|
|
+ ctrl->value = opt->peak_bitrate * 100000;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
+ ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_g_ext_ctrls(struct file *file, void *priv,
|
|
|
+ struct v4l2_ext_controls *ctrls)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int i, err = 0;
|
|
|
+
|
|
|
+ if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
|
|
|
+ for (i = 0; i < ctrls->count; i++) {
|
|
|
+ struct v4l2_ext_control *ctrl = ctrls->controls + i;
|
|
|
+
|
|
|
+ err = hdpvr_get_ctrl(&dev->options, ctrl);
|
|
|
+ if (err) {
|
|
|
+ ctrls->error_idx = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return err;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return -EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3)
|
|
|
+{
|
|
|
+ int ret = -EINVAL;
|
|
|
+
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
+ if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC ||
|
|
|
+ (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3))
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
+ if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC)
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
|
|
|
+/* if (ctrl->value == 0 || ctrl->value == 128) */
|
|
|
+/* ret = 0; */
|
|
|
+/* break; */
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
+ if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR ||
|
|
|
+ ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
|
|
|
+ {
|
|
|
+ uint bitrate = ctrl->value / 100000;
|
|
|
+ if (bitrate >= 10 && bitrate <= 135)
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
|
|
|
+ {
|
|
|
+ uint peak_bitrate = ctrl->value / 100000;
|
|
|
+ if (peak_bitrate >= 10 && peak_bitrate <= 202)
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
+ if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
|
|
|
+ ret = 0;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_try_ext_ctrls(struct file *file, void *priv,
|
|
|
+ struct v4l2_ext_controls *ctrls)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int i, err = 0;
|
|
|
+
|
|
|
+ if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
|
|
|
+ for (i = 0; i < ctrls->count; i++) {
|
|
|
+ struct v4l2_ext_control *ctrl = ctrls->controls + i;
|
|
|
+
|
|
|
+ err = hdpvr_try_ctrl(ctrl,
|
|
|
+ dev->flags & HDPVR_FLAG_AC3_CAP);
|
|
|
+ if (err) {
|
|
|
+ ctrls->error_idx = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+
|
|
|
+ return -EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int hdpvr_set_ctrl(struct hdpvr_device *dev,
|
|
|
+ struct v4l2_ext_control *ctrl)
|
|
|
+{
|
|
|
+ struct hdpvr_options *opt = &dev->options;
|
|
|
+ int ret = 0;
|
|
|
+
|
|
|
+ switch (ctrl->id) {
|
|
|
+ case V4L2_CID_MPEG_AUDIO_ENCODING:
|
|
|
+ if (dev->flags & HDPVR_FLAG_AC3_CAP) {
|
|
|
+ opt->audio_codec = ctrl->value;
|
|
|
+ ret = hdpvr_set_audio(dev, opt->audio_input,
|
|
|
+ opt->audio_codec);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_ENCODING:
|
|
|
+ break;
|
|
|
+/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
|
|
|
+/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */
|
|
|
+/* opt->gop_mode |= 0x2; */
|
|
|
+/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
|
|
|
+/* opt->gop_mode); */
|
|
|
+/* } */
|
|
|
+/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */
|
|
|
+/* opt->gop_mode &= ~0x2; */
|
|
|
+/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
|
|
|
+/* opt->gop_mode); */
|
|
|
+/* } */
|
|
|
+/* break; */
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
|
|
|
+ if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR &&
|
|
|
+ opt->bitrate_mode != HDPVR_CONSTANT) {
|
|
|
+ opt->bitrate_mode = HDPVR_CONSTANT;
|
|
|
+ hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
|
|
|
+ opt->bitrate_mode);
|
|
|
+ }
|
|
|
+ if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
|
|
|
+ opt->bitrate_mode == HDPVR_CONSTANT) {
|
|
|
+ opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE;
|
|
|
+ hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
|
|
|
+ opt->bitrate_mode);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE: {
|
|
|
+ uint bitrate = ctrl->value / 100000;
|
|
|
+
|
|
|
+ opt->bitrate = bitrate;
|
|
|
+ if (bitrate >= opt->peak_bitrate)
|
|
|
+ opt->peak_bitrate = bitrate+1;
|
|
|
+
|
|
|
+ hdpvr_set_bitrate(dev);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: {
|
|
|
+ uint peak_bitrate = ctrl->value / 100000;
|
|
|
+
|
|
|
+ if (opt->bitrate_mode == HDPVR_CONSTANT)
|
|
|
+ break;
|
|
|
+
|
|
|
+ if (opt->bitrate < peak_bitrate) {
|
|
|
+ opt->peak_bitrate = peak_bitrate;
|
|
|
+ hdpvr_set_bitrate(dev);
|
|
|
+ } else
|
|
|
+ ret = -EINVAL;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ case V4L2_CID_MPEG_STREAM_TYPE:
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ return -EINVAL;
|
|
|
+ }
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_s_ext_ctrls(struct file *file, void *priv,
|
|
|
+ struct v4l2_ext_controls *ctrls)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ int i, err = 0;
|
|
|
+
|
|
|
+ if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
|
|
|
+ for (i = 0; i < ctrls->count; i++) {
|
|
|
+ struct v4l2_ext_control *ctrl = ctrls->controls + i;
|
|
|
+
|
|
|
+ err = hdpvr_try_ctrl(ctrl,
|
|
|
+ dev->flags & HDPVR_FLAG_AC3_CAP);
|
|
|
+ if (err) {
|
|
|
+ ctrls->error_idx = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ err = hdpvr_set_ctrl(dev, ctrl);
|
|
|
+ if (err) {
|
|
|
+ ctrls->error_idx = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return err;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return -EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data,
|
|
|
+ struct v4l2_fmtdesc *f)
|
|
|
+{
|
|
|
+
|
|
|
+ if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ f->flags = V4L2_FMT_FLAG_COMPRESSED;
|
|
|
+ strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
|
|
|
+ f->pixelformat = V4L2_PIX_FMT_MPEG;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data,
|
|
|
+ struct v4l2_format *f)
|
|
|
+{
|
|
|
+ struct hdpvr_fh *fh = file->private_data;
|
|
|
+ struct hdpvr_device *dev = fh->dev;
|
|
|
+ struct hdpvr_video_info *vid_info;
|
|
|
+
|
|
|
+ if (!dev)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ vid_info = get_video_info(dev);
|
|
|
+ if (!vid_info)
|
|
|
+ return -EFAULT;
|
|
|
+
|
|
|
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
|
|
|
+ f->fmt.pix.width = vid_info->width;
|
|
|
+ f->fmt.pix.height = vid_info->height;
|
|
|
+ f->fmt.pix.sizeimage = dev->bulk_in_size;
|
|
|
+ f->fmt.pix.colorspace = 0;
|
|
|
+ f->fmt.pix.bytesperline = 0;
|
|
|
+ f->fmt.pix.field = V4L2_FIELD_ANY;
|
|
|
+
|
|
|
+ kfree(vid_info);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
|
|
|
+ .vidioc_querycap = vidioc_querycap,
|
|
|
+ .vidioc_s_std = vidioc_s_std,
|
|
|
+ .vidioc_enum_input = vidioc_enum_input,
|
|
|
+ .vidioc_g_input = vidioc_g_input,
|
|
|
+ .vidioc_s_input = vidioc_s_input,
|
|
|
+ .vidioc_enumaudio = vidioc_enumaudio,
|
|
|
+ .vidioc_g_audio = vidioc_g_audio,
|
|
|
+ .vidioc_s_audio = vidioc_s_audio,
|
|
|
+ .vidioc_queryctrl = vidioc_queryctrl,
|
|
|
+ .vidioc_g_ctrl = vidioc_g_ctrl,
|
|
|
+ .vidioc_s_ctrl = vidioc_s_ctrl,
|
|
|
+ .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
|
|
|
+ .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
|
|
|
+ .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
|
|
|
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
|
|
|
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
|
|
|
+};
|
|
|
+
|
|
|
+static void hdpvr_device_release(struct video_device *vdev)
|
|
|
+{
|
|
|
+ struct hdpvr_device *dev = video_get_drvdata(vdev);
|
|
|
+
|
|
|
+ hdpvr_delete(dev);
|
|
|
+}
|
|
|
+
|
|
|
+static const struct video_device hdpvr_video_template = {
|
|
|
+/* .type = VFL_TYPE_GRABBER, */
|
|
|
+/* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */
|
|
|
+ .fops = &hdpvr_fops,
|
|
|
+ .release = hdpvr_device_release,
|
|
|
+ .ioctl_ops = &hdpvr_ioctl_ops,
|
|
|
+ .tvnorms =
|
|
|
+ V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B |
|
|
|
+ V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I |
|
|
|
+ V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N |
|
|
|
+ V4L2_STD_PAL_60,
|
|
|
+};
|
|
|
+
|
|
|
+int hdpvr_register_videodev(struct hdpvr_device *dev, int devnum)
|
|
|
+{
|
|
|
+ /* setup and register video device */
|
|
|
+ dev->video_dev = video_device_alloc();
|
|
|
+ if (!dev->video_dev) {
|
|
|
+ err("video_device_alloc() failed");
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ *(dev->video_dev) = hdpvr_video_template;
|
|
|
+ strcpy(dev->video_dev->name, "Hauppauge HD PVR");
|
|
|
+ dev->video_dev->parent = &dev->udev->dev;
|
|
|
+ video_set_drvdata(dev->video_dev, dev);
|
|
|
+
|
|
|
+ if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) {
|
|
|
+ err("V4L2 device registration failed");
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+error:
|
|
|
+ return -ENOMEM;
|
|
|
+}
|
Janne Grunau