merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-vpfe-cap

From: Mauro Carvalho Chehab <mchehab@redhat.com>

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

1 files changed, 94 insertions, 22 deletions

diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c
index e13f141c7..6d80e9a38 100644
--- a/linux/drivers/media/video/em28xx/em28xx-cards.c
+++ b/linux/drivers/media/video/em28xx/em28xx-cards.c
@@ -59,8 +59,6 @@ static unsigned int card[]     = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
 module_param_array(card,  int, NULL, 0444);
 MODULE_PARM_DESC(card,     "card type");
 
-#define MT9V011_VERSION                 0x8243
-
 /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */
 static unsigned long em28xx_devused;
 
@@ -218,13 +216,15 @@ static struct em28xx_reg_seq silvercrest_reg_seq[] = {
  */
 struct em28xx_board em28xx_boards[] = {
 	[EM2750_BOARD_UNKNOWN] = {
-		.name          = "Unknown EM2750/EM2751 webcam grabber",
+		.name          = "EM2710/EM2750/EM2751 webcam grabber",
 		.xclk          = EM28XX_XCLK_FREQUENCY_48MHZ,
-		.tuner_type    = TUNER_ABSENT,	/* This is a webcam */
+		.tuner_type    = TUNER_ABSENT,
+		.is_webcam     = 1,
 		.input         = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
 			.amux     = EM28XX_AMUX_VIDEO,
+			.gpio     = silvercrest_reg_seq,
 		} },
 	},
 	[EM2800_BOARD_UNKNOWN] = {
@@ -246,13 +246,15 @@ struct em28xx_board em28xx_boards[] = {
 	[EM2820_BOARD_UNKNOWN] = {
 		.name          = "Unknown EM2750/28xx video grabber",
 		.tuner_type    = TUNER_ABSENT,
+		.is_webcam     = 1,	/* To enable sensor probe */
 	},
 	[EM2750_BOARD_DLCW_130] = {
 		/* Beijing Huaqi Information Digital Technology Co., Ltd */
 		.name          = "Huaqi DLCW-130",
 		.valid         = EM28XX_BOARD_NOT_VALIDATED,
 		.xclk          = EM28XX_XCLK_FREQUENCY_48MHZ,
-		.tuner_type    = TUNER_ABSENT,	/* This is a webcam */
+		.tuner_type    = TUNER_ABSENT,
+		.is_webcam     = 1,
 		.input         = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
@@ -453,7 +455,8 @@ struct em28xx_board em28xx_boards[] = {
 	[EM2820_BOARD_VIDEOLOGY_20K14XUSB] = {
 		.name         = "Videology 20K14XUSB USB2.0",
 		.valid        = EM28XX_BOARD_NOT_VALIDATED,
-		.tuner_type   = TUNER_ABSENT,	/* This is a webcam */
+		.tuner_type   = TUNER_ABSENT,
+		.is_webcam    = 1,
 		.input        = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
@@ -463,8 +466,7 @@ struct em28xx_board em28xx_boards[] = {
 	[EM2820_BOARD_SILVERCREST_WEBCAM] = {
 		.name         = "Silvercrest Webcam 1.3mpix",
 		.tuner_type   = TUNER_ABSENT,
-		.is_27xx      = 1,
-		.decoder      = EM28XX_MT9V011,
+		.is_webcam    = 1,
 		.input        = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
@@ -513,7 +515,8 @@ struct em28xx_board em28xx_boards[] = {
 		/* Beijing Huaqi Information Digital Technology Co., Ltd */
 		.name         = "NetGMBH Cam",
 		.valid        = EM28XX_BOARD_NOT_VALIDATED,
-		.tuner_type   = TUNER_ABSENT,	/* This is a webcam */
+		.tuner_type   = TUNER_ABSENT,
+		.is_webcam    = 1,
 		.input        = { {
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = 0,
@@ -1775,6 +1778,32 @@ static inline void em28xx_set_model(struct em28xx *dev)
 				       EM28XX_I2C_FREQ_100_KHZ;
 }
 
+/* FIXME: Should be replaced by a proper mt9m001 driver */
+static int em28xx_initialize_mt9m001(struct em28xx *dev)
+{
+	int i;
+	unsigned char regs[][3] = {
+		{ 0x0d, 0x00, 0x01, },
+		{ 0x0d, 0x00, 0x00, },
+		{ 0x04, 0x05, 0x00, },	/* hres = 1280 */
+		{ 0x03, 0x04, 0x00, },  /* vres = 1024 */
+		{ 0x20, 0x11, 0x00, },
+		{ 0x06, 0x00, 0x10, },
+		{ 0x2b, 0x00, 0x24, },
+		{ 0x2e, 0x00, 0x24, },
+		{ 0x35, 0x00, 0x24, },
+		{ 0x2d, 0x00, 0x20, },
+		{ 0x2c, 0x00, 0x20, },
+		{ 0x09, 0x0a, 0xd4, },
+		{ 0x35, 0x00, 0x57, },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(regs); i++)
+		i2c_master_send(&dev->i2c_client, &regs[i][0], 3);
+
+	return 0;
+}
+
 /* HINT method: webcam I2C chips
  *
  * This method work for webcams with Micron sensors
@@ -1787,9 +1816,6 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 	__be16 version_be;
 	u16 version;
 
-	if (dev->model != EM2820_BOARD_UNKNOWN)
-		return 0;
-
 	dev->i2c_client.addr = 0xba >> 1;
 	cmd = 0;
 	i2c_master_send(&dev->i2c_client, &cmd, 1);
@@ -1800,16 +1826,42 @@ static int em28xx_hint_sensor(struct em28xx *dev)
 	version = be16_to_cpu(version_be);
 
 	switch (version) {
-	case MT9V011_VERSION:
+	case 0x8243:		/* mt9v011 640x480 1.3 Mpix sensor */
 		dev->model = EM2820_BOARD_SILVERCREST_WEBCAM;
 		sensor_name = "mt9v011";
+		dev->em28xx_sensor = EM28XX_MT9V011;
+		dev->sensor_xres = 640;
+		dev->sensor_yres = 480;
+		dev->sensor_xtal = 6300000;
+
+		/* probably means GRGB 16 bit bayer */
+		dev->vinmode = 0x0d;
+		dev->vinctl = 0x00;
+
+		break;
+#if 0
+	case 0x8411:
+	case 0x8421:
+#endif
+	case 0x8431:
+		dev->model = EM2750_BOARD_UNKNOWN;
+		sensor_name = "mt9m001";
+		dev->em28xx_sensor = EM28XX_MT9M001;
+		em28xx_initialize_mt9m001(dev);
+		dev->sensor_xres = 1280;
+		dev->sensor_yres = 1024;
+
+		/* probably means BGGR 16 bit bayer */
+		dev->vinmode = 0x0c;
+		dev->vinctl = 0x00;
+
 		break;
 	default:
-		printk("Unknown Sensor 0x%04x\n", be16_to_cpu(version));
+		printk("Unknown Micron Sensor 0x%04x\n", be16_to_cpu(version));
 		return -EINVAL;
 	}
 
-	em28xx_errdev("Sensor is %s, assuming that webcam is %s\n",
+	em28xx_errdev("Sensor is %s, using model %s entry.\n",
 		      sensor_name, em28xx_boards[dev->model].name);
 
 	return 0;
@@ -1843,10 +1895,7 @@ void em28xx_pre_card_setup(struct em28xx *dev)
 			em28xx_info("chip ID is em2750\n");
 			break;
 		case CHIP_ID_EM2820:
-			if (dev->board.is_27xx)
-				em28xx_info("chip is em2710\n");
-			else
-				em28xx_info("chip ID is em2820\n");
+			em28xx_info("chip ID is em2710 or em2820\n");
 			break;
 		case CHIP_ID_EM2840:
 			em28xx_info("chip ID is em2840\n");
@@ -2367,9 +2416,20 @@ void em28xx_card_setup(struct em28xx *dev)
 		v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 			"tvp5150", "tvp5150", tvp5150_addrs);
 
-	if (dev->board.decoder == EM28XX_MT9V011)
+	if (dev->em28xx_sensor == EM28XX_MT9V011) {
+		struct v4l2_subdev *sd;
+
+		sd = v4l2_i2c_new_probed_subdev(&dev->v4l2_dev,
+			 &dev->i2c_adap, "mt9v011", "mt9v011", mt9v011_addrs);
+		v4l2_subdev_call(sd, core, s_config, 0, &dev->sensor_xtal);
+	}
+
+#if 0
+	/* FIXME: use mt9m001 after their conversion to v4l dev/subdev */
+	if (dev->em28xx_sensor == EM28XX_MT9M001)
 		v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap,
-			"mt9v011", "mt9v011", mt9v011_addrs);
+			"mt9m001", "mt9m001", mt9v011_addrs);
+#endif
 
 	if (dev->board.adecoder == EM28XX_TVAUDIO)
 		v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
@@ -2526,7 +2586,19 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 		return errCode;
 	}
 
-	em28xx_hint_sensor(dev);
+	/*
+	 * Default format, used for tvp5150 or saa711x output formats
+	 */
+	dev->vinmode = 0x10;
+	dev->vinctl  = 0x11;
+
+	/*
+	 * If the device can be a webcam, seek for a sensor.
+	 * If sensor is not found, then it isn't a webcam.
+	 */
+	if (dev->board.is_webcam)
+		if (em28xx_hint_sensor(dev) < 0)
+			dev->board.is_webcam = 0;
 
 	/* Do board specific init and eeprom reading */
 	em28xx_card_setup(dev);