V4L/DVB (8156): Many bug fixes, zc3xx added.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/gspca/Makefile

@@ -1,5 +1,7 @@
-obj-$(CONFIG_GSPCA)	+= gspca_main.o gspca_pac207.o gspca_stk014.o
+obj-$(CONFIG_GSPCA)	+= gspca_main.o \
+	gspca_pac207.o gspca_stk014.o gspca_zc3xx.o
 
 gspca_main-objs := gspca.o
 gspca_pac207-objs := pac207.o
 gspca_stk014-objs := stk014.o
+gspca_zc3xx-objs := zc3xx.o

drivers/media/video/gspca/gspca.h

@@ -25,6 +25,7 @@ extern int gspca_debug;
 #define D_PACK 0x20
 #define D_USBI 0x40
 #define D_USBO 0x80
+#define D_V4L2 0x0100
 #else
 #define PDEBUG(level, fmt, args...)
 #endif
@@ -46,9 +47,9 @@ extern int gspca_debug;
 
 #define GSPCA_MAX_FRAMES 16	/* maximum number of video frame buffers */
 /* ISOC transfers */
-#define NURBS 4			/* number of URBs */
+#define MAX_NURBS 32		/* max number of URBs (read & userptr) */
 #define ISO_MAX_PKT 32		/* max number of packets in an ISOC transfer */
-#define ISO_MAX_SIZE 0x10000	/* max size of one URB buffer (64 Kb) */
+#define ISO_MAX_SIZE 0x8000	/* max size of one URB buffer (32 Kb) */
 
 /* device information - set at probe time */
 struct cam_mode {
@@ -123,13 +124,14 @@ struct gspca_frame {
 
 struct gspca_dev {
 	struct video_device vdev;	/* !! must be the first item */
+	struct file_operations fops;
 	struct usb_device *dev;
 	struct file *capt_file;		/* file doing video capture */
 
 	struct cam cam;				/* device information */
 	const struct sd_desc *sd_desc;		/* subdriver description */
 
-	struct urb *urb[NURBS];
+	struct urb *urb[MAX_NURBS];
 
 	__u8 *frbuf;				/* buffer for nframes */
 	struct gspca_frame frame[GSPCA_MAX_FRAMES];
@@ -155,15 +157,21 @@ struct gspca_dev {
 	struct mutex queue_lock;	/* ISOC queue protection */
 	__u32 sequence;			/* frame sequence number */
 	char streaming;
-	char users;			/* # open */
+	char users;			/* number of opens */
 	char present;			/* device connected */
 	char nbufread;			/* number of buffers for read() */
+	char nurbs;			/* number of allocated URBs */
+	char memory;			/* memory type (V4L2_MEMORY_xxx) */
+	__u8 urb_in;			/* URB pointers - used when !mmap */
+	__u8 urb_out;
+	__u8 nbalt;			/* number of USB alternate settings */
 };
 
 int gspca_dev_probe(struct usb_interface *intf,
 		const struct usb_device_id *id,
 		const struct sd_desc *sd_desc,
-		int dev_size);
+		int dev_size,
+		struct module *module);
 void gspca_disconnect(struct usb_interface *intf);
 struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev,
 				    int packet_type,

drivers/media/video/gspca/jpeg.h

@@ -265,7 +265,7 @@ static unsigned char eoh[] = {
 		0x02, 0x11, 0x01,	/* samples CbCr - quant CbCr */
 		0x03, 0x11, 0x01,
 
-	0xff, 0xda, 0x00, 0x0c,		/* SOS (start of scan */
+	0xff, 0xda, 0x00, 0x0c,		/* SOS (start of scan) */
 	0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3f, 0x00
 };
 #endif

drivers/media/video/gspca/pac207.c

@@ -27,8 +27,8 @@
 
 #include "gspca.h"
 
-#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(0, 1, 1)
-static const char version[] = "0.1.1";
+#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(0, 2, 15)
+static const char version[] = "0.2.15";
 
 MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
 MODULE_DESCRIPTION("Pixart PAC207");
@@ -188,7 +188,8 @@ static const __u8 pac207_sensor_init[][8] = {
 			/* 48 reg_72 Rate Control end BalSize_4a =0x36 */
 static const __u8 PacReg72[] = { 0x00, 0x00, 0x36, 0x00 };
 
-static const char pac207_sof_marker[5] = { 0xff, 0xff, 0x00, 0xff, 0x96 };
+static const unsigned char pac207_sof_marker[5] =
+		{ 0xff, 0xff, 0x00, 0xff, 0x96 };
 
 int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index,
 	const u8 *buffer, u16 length)
@@ -327,11 +328,12 @@ static void sd_start(struct gspca_dev *gspca_dev)
 	pac207_write_reg(gspca_dev, 0x02, sd->exposure); /* PXCK = 12MHz /n */
 
 	mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */
-	if (gspca_dev->width == 176) { /* 176x144 */
+	if (gspca_dev->width == 176) {	/* 176x144 */
 		mode |= 0x01;
 		PDEBUG(D_STREAM, "pac207_start mode 176x144");
-	} else/* 352x288 */
+	} else {				/* 352x288 */
 		PDEBUG(D_STREAM, "pac207_start mode 352x288");
+	}
 	pac207_write_reg(gspca_dev, 0x41, mode);
 
 	pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */
@@ -425,7 +427,7 @@ void init_pixart_decoder(void)
 }
 
 /* auto gain and exposure algorithm based on the knee algorithm described here:
-   http://ytse.tricolour.net/docs/LowLightOptimization.html */
+ * <http://ytse.tricolour.net/docs/LowLightOptimization.html> */
 static void pac207_do_auto_gain(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
@@ -508,8 +510,9 @@ static unsigned char *pac207_find_sof(struct gspca_dev *gspca_dev,
 				sd->sof_read = 0;
 				return m + i + 1;
 			}
-		} else
+		} else {
 			sd->sof_read = 0;
+		}
 	}
 
 	return NULL;
@@ -556,9 +559,9 @@ static int pac207_decompress_row(struct gspca_dev *gspca_dev,
 			decoder_state->line_read++;
 			decoder_state->get_abs = 0;
 		} else {
-			if (table[code].is_abs)
+			if (table[code].is_abs) {
 				decoder_state->get_abs = 1;
-			else {
+			} else {
 				/* relative to left pixel */
 				val = outp[-2] +
 					table[code].val;
@@ -894,13 +897,13 @@ static struct sd_desc sd_desc = {
 #define DVNM(name) .driver_info = (kernel_ulong_t) name
 static __devinitdata struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x041e, 0x4028), DVNM("Creative Webcam Vista Plus")},
-	{USB_DEVICE(0x093a, 0x2460), DVNM("PAC207 Qtec Webcam 100")},
+	{USB_DEVICE(0x093a, 0x2460), DVNM("Q-Tec Webcam 100")},
 	{USB_DEVICE(0x093a, 0x2463), DVNM("Philips spc200nc pac207")},
 	{USB_DEVICE(0x093a, 0x2464), DVNM("Labtec Webcam 1200")},
 	{USB_DEVICE(0x093a, 0x2468), DVNM("PAC207")},
 	{USB_DEVICE(0x093a, 0x2470), DVNM("Genius GF112")},
-	{USB_DEVICE(0x093a, 0x2471), DVNM("PAC207 Genius VideoCam ge111")},
-	{USB_DEVICE(0x093a, 0x2472), DVNM("PAC207 Genius VideoCam ge110")},
+	{USB_DEVICE(0x093a, 0x2471), DVNM("Genius VideoCam GE111")},
+	{USB_DEVICE(0x093a, 0x2472), DVNM("Genius VideoCam GE110")},
 	{USB_DEVICE(0x2001, 0xf115), DVNM("D-Link DSB-C120")},
 	{}
 };
@@ -910,8 +913,8 @@ MODULE_DEVICE_TABLE(usb, device_table);
 static int sd_probe(struct usb_interface *intf,
 			const struct usb_device_id *id)
 {
-	PDEBUG(D_PROBE, "camera probe");
-	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd));
+	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
+				THIS_MODULE);
 }
 
 static struct usb_driver sd_driver = {

drivers/media/video/gspca/stk014.c

@@ -1,7 +1,7 @@
 /*
  * Syntek DV4000 (STK014) subdriver
  *
- * Copyright (C) Jean-Francois Moine (http://moinejf.free.fr)
+ * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
  *
  * 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
@@ -16,7 +16,6 @@
  * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
  */
 
 #define MODULE_NAME "stk014"
@@ -24,8 +23,8 @@
 #include "gspca.h"
 #include "jpeg.h"
 
-#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(0, 1, 0)
-static const char version[] = "0.1.0";
+#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(0, 2, 7)
+static const char version[] = "0.2.7";
 
 MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
 MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver");
@@ -389,64 +388,32 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 			unsigned char *data,		/* isoc packet */
 			int len)			/* iso packet length */
 {
-	int l;
 	static unsigned char ffd9[] = {0xff, 0xd9};
 
 	/* a frame starts with:
 	 *	- 0xff 0xfe
-	 *	- 0x08 0x00	// length (little endian ?!)
-	 *	- 4 bytes = size of whole frame (big endian - including header)
+	 *	- 0x08 0x00	- length (little endian ?!)
+	 *	- 4 bytes = size of whole frame (BE - including header)
 	 *	- 0x00 0x0c
 	 *	- 0xff 0xd8
 	 *	- ..	JPEG image with escape sequences (ff 00)
+	 *		(without ending - ff d9)
 	 */
 	if (data[0] == 0xff && data[1] == 0xfe) {
-		if (gspca_dev->last_packet_type == INTER_PACKET) {
-			PDEBUG(D_ERR|D_FRAM, "sof actual l: %d init l: %d",
-				frame->data_end - frame->data,
-				frame->v4l2_buf.bytesused);
-		}
+		frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
+					ffd9, 2);
 
-		/* put the JPEG headaer */
+		/* put the JPEG 411 header */
 		jpeg_put_header(gspca_dev, frame, sd_quant, 0x22);
 
 		/* beginning of the frame */
 #define STKHDRSZ 12
-		l = (data[4] << 24)		/* frame size */
-			+ (data[5] << 16)
-			+ (data[6] << 8)
-			+ data[7]
-			- STKHDRSZ
-			+ (frame->data_end - frame->data)
-			+ 2;			/* EOF (ff d9) */
 		gspca_frame_add(gspca_dev, INTER_PACKET, frame,
 				data + STKHDRSZ, len - STKHDRSZ);
 #undef STKHDRSZ
-		frame->v4l2_buf.bytesused = l;
 		return;
 	}
-	if (gspca_dev->last_packet_type != INTER_PACKET) {
-		if (gspca_dev->last_packet_type == LAST_PACKET) {
-			PDEBUG(D_ERR|D_PACK, "mof actual l: %d init l: %d",
-				frame->data_end - frame->data,
-				frame->v4l2_buf.bytesused);
-		}
-		return;
-	}
-
-	/* intermediate packet */
-	l = frame->data_end - frame->data;
-	if (len < frame->v4l2_buf.bytesused - 2 - l) {
-		gspca_frame_add(gspca_dev, INTER_PACKET, frame,
-				data, len);
-		return;
-	}
-
-	/* last packet */
-	if (len > frame->v4l2_buf.bytesused - 2 - l)
-		len = frame->v4l2_buf.bytesused - 2 - l;
 	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
-	gspca_frame_add(gspca_dev, LAST_PACKET, frame, ffd9, 2);
 }
 
 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
@@ -529,8 +496,8 @@ MODULE_DEVICE_TABLE(usb, device_table);
 static int sd_probe(struct usb_interface *intf,
 			const struct usb_device_id *id)
 {
-	PDEBUG(D_PROBE, "camera probe");
-	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd));
+	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
+				THIS_MODULE);
 }
 
 static struct usb_driver sd_driver = {