V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls

This patch add support for the VIDIOC_ENUM_FRAMESIZES and
VIDIOC_ENUM_FRAMEINTERVALS ioctl.
* check if the maximum native framesize for raw mode is correct
* raw mode framerates for all three chipset types

Signed-off-by: Gregor Jasny <gjasny@web.de>
Signed-off-by: Luc Saillard <luc@saillard.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/pwc/pwc-ctrl.c

@@ -140,6 +140,8 @@ static const char *size2name[PSZ_MAX] =
    An alternate value of 0 means this mode is not available at all.
  */
 
+#define PWC_FPS_MAX_NALA 8
+
 struct Nala_table_entry {
 	char alternate;			/* USB alternate setting */
 	int compressed;			/* Compressed yes/no */
@@ -147,7 +149,9 @@ struct Nala_table_entry {
 	unsigned char mode[3];		/* precomputed mode table */
 };
 
-static struct Nala_table_entry Nala_table[PSZ_MAX][8] =
+static unsigned int Nala_fps_vector[PWC_FPS_MAX_NALA] = { 4, 5, 7, 10, 12, 15, 20, 24 };
+
+static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] =
 {
 #include "pwc-nala.h"
 };
@@ -423,6 +427,59 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame
 	return 0;
 }
 
+static unsigned int pwc_get_fps_Nala(struct pwc_device *pdev, unsigned int index, unsigned int size)
+{
+	unsigned int i;
+
+	for (i = 0; i < PWC_FPS_MAX_NALA; i++) {
+		if (Nala_table[size][i].alternate) {
+			if (index--==0) return Nala_fps_vector[i];
+		}
+	}
+	return 0;
+}
+
+static unsigned int pwc_get_fps_Kiara(struct pwc_device *pdev, unsigned int index, unsigned int size)
+{
+	unsigned int i;
+
+	for (i = 0; i < PWC_FPS_MAX_KIARA; i++) {
+		if (Kiara_table[size][i][3].alternate) {
+			if (index--==0) return Kiara_fps_vector[i];
+		}
+	}
+	return 0;
+}
+
+static unsigned int pwc_get_fps_Timon(struct pwc_device *pdev, unsigned int index, unsigned int size)
+{
+	unsigned int i;
+
+	for (i=0; i < PWC_FPS_MAX_TIMON; i++) {
+		if (Timon_table[size][i][3].alternate) {
+			if (index--==0) return Timon_fps_vector[i];
+		}
+	}
+	return 0;
+}
+
+unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size)
+{
+	unsigned int ret;
+
+	if (DEVICE_USE_CODEC1(pdev->type)) {
+		ret = pwc_get_fps_Nala(pdev, index, size);
+
+	} else if (DEVICE_USE_CODEC3(pdev->type)) {
+		ret = pwc_get_fps_Kiara(pdev, index, size);
+
+	} else {
+		ret = pwc_get_fps_Timon(pdev, index, size);
+	}
+
+	return ret;
+}
+
 #define BLACK_Y 0
 #define BLACK_U 128
 #define BLACK_V 128
@@ -1343,7 +1400,7 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
 				ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red);
 				if (ret < 0)
 					break;
-				ret =pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
+				ret = pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
 				if (ret < 0)
 					break;
 			}

drivers/media/video/pwc/pwc-if.c

@@ -1493,7 +1493,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
 		case 0x0329:
 			PWC_INFO("Philips SPC 900NC USB webcam detected.\n");
 			name = "Philips SPC 900NC webcam";
-			type_id = 720;
+			type_id = 740;
 			break;
 		default:
 			return -ENODEV;

drivers/media/video/pwc/pwc-ioctl.h

@@ -2,7 +2,7 @@
 #define PWC_IOCTL_H
 
 /* (C) 2001-2004 Nemosoft Unv.
-   (C) 2004      Luc Saillard (luc@saillard.org)
+   (C) 2004-2006 Luc Saillard (luc@saillard.org)
 
    NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
    driver and thus may have bugs that are not present in the original version.
@@ -25,7 +25,7 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
-/* This is pwc-ioctl.h belonging to PWC 8.12.1
+/* This is pwc-ioctl.h belonging to PWC 10.0.10
    It contains structures and defines to communicate from user space
    directly to the driver.
  */
@@ -51,6 +51,9 @@
 	     ... 	the function
  */
 
+#include <linux/types.h>
+#include <linux/version.h>
+
 
  /* Enumeration of image sizes */
 #define PSZ_SQCIF	0x00
@@ -65,6 +68,8 @@
 /* The frame rate is encoded in the video_window.flags parameter using
    the upper 16 bits, since some flags are defined nowadays. The following
    defines provide a mask and shift to filter out this value.
+   This value can also be passing using the private flag when using v4l2 and
+   VIDIOC_S_FMT ioctl.
 
    In 'Snapshot' mode the camera freezes its automatic exposure and colour
    balance controls.
@@ -73,6 +78,8 @@
 #define PWC_FPS_MASK		0x00FF0000
 #define PWC_FPS_FRMASK		0x003F0000
 #define PWC_FPS_SNAPSHOT	0x00400000
+#define PWC_QLT_MASK		0x03000000
+#define PWC_QLT_SHIFT		24
 
 
 /* structure for transferring x & y coordinates */
@@ -289,4 +296,29 @@ struct pwc_table_init_buffer {
 };
 #define VIDIOCPWCGVIDTABLE	_IOR('v', 216, struct pwc_table_init_buffer)
 
+/*
+ * This is private command used when communicating with v4l2.
+ * In the future all private ioctl will be remove/replace to
+ * use interface offer by v4l2.
+ */
+
+#define V4L2_CID_PRIVATE_SAVE_USER       (V4L2_CID_PRIVATE_BASE + 0)
+#define V4L2_CID_PRIVATE_RESTORE_USER    (V4L2_CID_PRIVATE_BASE + 1)
+#define V4L2_CID_PRIVATE_RESTORE_FACTORY (V4L2_CID_PRIVATE_BASE + 2)
+#define V4L2_CID_PRIVATE_COLOUR_MODE     (V4L2_CID_PRIVATE_BASE + 3)
+#define V4L2_CID_PRIVATE_AUTOCONTOUR     (V4L2_CID_PRIVATE_BASE + 4)
+#define V4L2_CID_PRIVATE_CONTOUR         (V4L2_CID_PRIVATE_BASE + 5)
+#define V4L2_CID_PRIVATE_BACKLIGHT       (V4L2_CID_PRIVATE_BASE + 6)
+#define V4L2_CID_PRIVATE_FLICKERLESS     (V4L2_CID_PRIVATE_BASE + 7)
+#define V4L2_CID_PRIVATE_NOISE_REDUCTION (V4L2_CID_PRIVATE_BASE + 8)
+
+struct pwc_raw_frame {
+   __le16 type;		/* type of the webcam */
+   __le16 vbandlength;	/* Size of 4lines compressed (used by the decompressor) */
+   __u8   cmd[4];	/* the four byte of the command (in case of nala,
+			   only the first 3 bytes is filled) */
+   __u8   rawframe[0];	/* frame_size = H/4*vbandlength */
+} __attribute__ ((packed));
+
+
 #endif

drivers/media/video/pwc/pwc-kiara.c

@@ -42,6 +42,8 @@
 #include "pwc-kiara.h"
 #include "pwc-uncompress.h"
 
+const unsigned int Kiara_fps_vector[PWC_FPS_MAX_KIARA] = { 5, 10, 15, 20, 25, 30 };
+
 const struct Kiara_table_entry Kiara_table[PSZ_MAX][6][4] =
 {
    /* SQCIF */

drivers/media/video/pwc/pwc-kiara.h

@@ -29,6 +29,8 @@
 
 #include <media/pwc-ioctl.h>
 
+#define PWC_FPS_MAX_KIARA 6
+
 struct Kiara_table_entry
 {
 	char alternate;			/* USB alternate interface */
@@ -37,8 +39,9 @@ struct Kiara_table_entry
 	unsigned char mode[12];		/* precomputed mode settings for cam */
 };
 
-extern const struct Kiara_table_entry Kiara_table[PSZ_MAX][6][4];
+extern const struct Kiara_table_entry Kiara_table[PSZ_MAX][PWC_FPS_MAX_KIARA][4];
 extern const unsigned int KiaraRomTable[8][2][16][8];
+extern const unsigned int Kiara_fps_vector[PWC_FPS_MAX_KIARA];
 
 #endif
 

drivers/media/video/pwc/pwc-timon.c

@@ -40,7 +40,9 @@
 
 #include "pwc-timon.h"
 
-const struct Timon_table_entry Timon_table[PSZ_MAX][6][4] =
+const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON] = { 5, 10, 15, 20, 25, 30 };
+
+const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4] =
 {
    /* SQCIF */
    {

drivers/media/video/pwc/pwc-timon.h

@@ -44,6 +44,8 @@
 
 #include <media/pwc-ioctl.h>
 
+#define PWC_FPS_MAX_TIMON 6
+
 struct Timon_table_entry
 {
 	char alternate;			/* USB alternate interface */
@@ -52,9 +54,9 @@ struct Timon_table_entry
 	unsigned char mode[13];		/* precomputed mode settings for cam */
 };
 
-extern const struct Timon_table_entry Timon_table[PSZ_MAX][6][4];
+extern const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4];
 extern const unsigned int TimonRomTable [16][2][16][8];
-
+extern const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON];
 
 #endif
 

drivers/media/video/pwc/pwc-v4l.c

@@ -1193,6 +1193,64 @@ int pwc_video_do_ioctl(struct inode *inode, struct file *file,
 			return 0;
 		}
 
+		case VIDIOC_ENUM_FRAMESIZES:
+		{
+			struct v4l2_frmsizeenum *fsize = arg;
+			unsigned int i = 0, index = fsize->index;
+
+			if (fsize->pixel_format == V4L2_PIX_FMT_YUV420) {
+				for (i = 0; i < PSZ_MAX; i++) {
+					if (pdev->image_mask & (1UL << i)) {
+						if (!index--) {
+							fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+							fsize->discrete.width = pwc_image_sizes[i].x;
+							fsize->discrete.height = pwc_image_sizes[i].y;
+							return 0;
+						}
+					}
+				}
+			} else if (fsize->index == 0 &&
+				   ((fsize->pixel_format == V4L2_PIX_FMT_PWC1 && DEVICE_USE_CODEC1(pdev->type)) ||
+				    (fsize->pixel_format == V4L2_PIX_FMT_PWC2 && DEVICE_USE_CODEC23(pdev->type)))) {
+
+				fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+				fsize->discrete.width = pdev->abs_max.x;
+				fsize->discrete.height = pdev->abs_max.y;
+				return 0;
+			}
+			return -EINVAL;
+		}
+
+		case VIDIOC_ENUM_FRAMEINTERVALS:
+		{
+			struct v4l2_frmivalenum *fival = arg;
+			int size = -1;
+			unsigned int i;
+
+			for (i = 0; i < PSZ_MAX; i++) {
+				if (pwc_image_sizes[i].x == fival->width &&
+				    pwc_image_sizes[i].y == fival->height) {
+					size = i;
+					break;
+				}
+			}
+
+			/* TODO: Support raw format */
+			if (size < 0 || fival->pixel_format != V4L2_PIX_FMT_YUV420) {
+				return -EINVAL;
+			}
+
+			i = pwc_get_fps(pdev, fival->index, size);
+			if (!i)
+				return -EINVAL;
+
+			fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
+			fival->discrete.numerator = 1;
+			fival->discrete.denominator = i;
+
+			return 0;
+		}
+
 		default:
 			return pwc_ioctl(pdev, cmd, arg);
 	} /* ..switch */

drivers/media/video/pwc/pwc.h

@@ -44,7 +44,7 @@
 #define PWC_MINOR	0
 #define PWC_EXTRAMINOR	12
 #define PWC_VERSION_CODE KERNEL_VERSION(PWC_MAJOR,PWC_MINOR,PWC_EXTRAMINOR)
-#define PWC_VERSION 	"10.0.12"
+#define PWC_VERSION 	"10.0.13"
 #define PWC_NAME 	"pwc"
 #define PFX		PWC_NAME ": "
 
@@ -85,7 +85,7 @@
 #define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
 #define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
 
-#else /* if ! CONFIG_PWC_DEBUG */
+#else /* if ! CONFIG_USB_PWC_DEBUG */
 
 #define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
 #define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
@@ -287,6 +287,7 @@ void pwc_construct(struct pwc_device *pdev);
 /** Functions in pwc-ctrl.c */
 /* Request a certain video mode. Returns < 0 if not possible */
 extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
+extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size);
 /* Calculate the number of bytes per image (not frame) */
 extern int pwc_mpt_reset(struct pwc_device *pdev, int flags);
 extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt);