From 780de7a15fcc2833d415c0ddf001647ac3b24df8 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Jul 2009 21:08:22 -0300 Subject: em28xx: add support for mt9m001 webcams From: Mauro Carvalho Chehab Thanks to Wally for bringing the issue and helping with the tests. Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/video/em28xx/em28xx-cards.c | 51 +++++++++++++++++++++++++ linux/drivers/media/video/em28xx/em28xx.h | 1 + 2 files changed, 52 insertions(+) (limited to 'linux') diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c index b40a01e91..6d80e9a38 100644 --- a/linux/drivers/media/video/em28xx/em28xx-cards.c +++ b/linux/drivers/media/video/em28xx/em28xx-cards.c @@ -224,6 +224,7 @@ struct em28xx_board em28xx_boards[] = { .type = EM28XX_VMUX_COMPOSITE1, .vmux = 0, .amux = EM28XX_AMUX_VIDEO, + .gpio = silvercrest_reg_seq, } }, }, [EM2800_BOARD_UNKNOWN] = { @@ -1777,6 +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, ®s[i][0], 3); + + return 0; +} + /* HINT method: webcam I2C chips * * This method work for webcams with Micron sensors @@ -1811,6 +1838,23 @@ static int em28xx_hint_sensor(struct em28xx *dev) 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 Micron Sensor 0x%04x\n", be16_to_cpu(version)); @@ -2380,6 +2424,13 @@ void em28xx_card_setup(struct em28xx *dev) 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, + "mt9m001", "mt9m001", mt9v011_addrs); +#endif + if (dev->board.adecoder == EM28XX_TVAUDIO) v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, "tvaudio", "tvaudio", dev->board.tvaudio_addr); diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h index 783799324..df7fe9af7 100644 --- a/linux/drivers/media/video/em28xx/em28xx.h +++ b/linux/drivers/media/video/em28xx/em28xx.h @@ -367,6 +367,7 @@ enum em28xx_decoder { enum em28xx_sensor { EM28XX_NOSENSOR = 0, EM28XX_MT9V011, + EM28XX_MT9M001, }; enum em28xx_adecoder { -- cgit v1.2.3