From 35631dcc7f09522ff3119ba72d1252f80419779a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 19 Feb 2009 14:56:37 -0300 Subject: V4L/DVB (10728): adv7175: convert to v4l2-subdev. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/adv7175.c | 307 +++++++++++++++++++++++------------------- 1 file changed, 165 insertions(+), 142 deletions(-) (limited to 'drivers/media/video/adv7175.c') diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index 154dff03a7d..318c3053633 100644 --- a/drivers/media/video/adv7175.c +++ b/drivers/media/video/adv7175.c @@ -30,15 +30,26 @@ #include #include #include -#include -#include -#include +#include +#include +#include #include MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver"); MODULE_AUTHOR("Dave Perks"); MODULE_LICENSE("GPL"); +#define I2C_ADV7175 0xd4 +#define I2C_ADV7176 0x54 + +static unsigned short normal_i2c[] = { + I2C_ADV7175 >> 1, (I2C_ADV7175 >> 1) + 1, + I2C_ADV7176 >> 1, (I2C_ADV7176 >> 1) + 1, + I2C_CLIENT_END +}; + +I2C_CLIENT_INSMOD; + static int debug; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0-1)"); @@ -46,34 +57,38 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* ----------------------------------------------------------------------- */ struct adv7175 { + struct v4l2_subdev sd; v4l2_std_id norm; int input; - int bright; - int contrast; - int hue; - int sat; }; -#define I2C_ADV7175 0xd4 -#define I2C_ADV7176 0x54 +static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd) +{ + return container_of(sd, struct adv7175, sd); +} static char *inputs[] = { "pass_through", "play_back", "color_bar" }; /* ----------------------------------------------------------------------- */ -static inline int adv7175_write(struct i2c_client *client, u8 reg, u8 value) +static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + return i2c_smbus_write_byte_data(client, reg, value); } -static inline int adv7175_read(struct i2c_client *client, u8 reg) +static inline int adv7175_read(struct v4l2_subdev *sd, u8 reg) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + return i2c_smbus_read_byte_data(client, reg); } -static int adv7175_write_block(struct i2c_client *client, +static int adv7175_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len) { + struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = -1; u8 reg; @@ -101,7 +116,7 @@ static int adv7175_write_block(struct i2c_client *client, /* do some slow I2C emulation kind of thing */ while (len >= 2) { reg = *data++; - ret = adv7175_write(client, reg, *data++); + ret = adv7175_write(sd, reg, *data++); if (ret < 0) break; len -= 2; @@ -111,18 +126,18 @@ static int adv7175_write_block(struct i2c_client *client, return ret; } -static void set_subcarrier_freq(struct i2c_client *client, int pass_through) +static void set_subcarrier_freq(struct v4l2_subdev *sd, int pass_through) { /* for some reason pass_through NTSC needs * a different sub-carrier freq to remain stable. */ if (pass_through) - adv7175_write(client, 0x02, 0x00); + adv7175_write(sd, 0x02, 0x00); else - adv7175_write(client, 0x02, 0x55); + adv7175_write(sd, 0x02, 0x55); - adv7175_write(client, 0x03, 0x55); - adv7175_write(client, 0x04, 0x55); - adv7175_write(client, 0x05, 0x25); + adv7175_write(sd, 0x03, 0x55); + adv7175_write(sd, 0x04, 0x55); + adv7175_write(sd, 0x05, 0x25); } /* ----------------------------------------------------------------------- */ @@ -182,144 +197,148 @@ static const unsigned char init_ntsc[] = { 0x06, 0x1a, /* subc. phase */ }; -static int adv7175_command(struct i2c_client *client, unsigned cmd, void *arg) +static int adv7175_init(struct v4l2_subdev *sd, u32 val) +{ + /* This is just for testing!!! */ + adv7175_write_block(sd, init_common, sizeof(init_common)); + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + return 0; +} + +static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) { - struct adv7175 *encoder = i2c_get_clientdata(client); - - switch (cmd) { - case VIDIOC_INT_INIT: - /* This is just for testing!!! */ - adv7175_write_block(client, init_common, - sizeof(init_common)); - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); + struct adv7175 *encoder = to_adv7175(sd); + + if (std & V4L2_STD_NTSC) { + adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc)); + if (encoder->input == 0) + adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + } else if (std & V4L2_STD_PAL) { + adv7175_write_block(sd, init_pal, sizeof(init_pal)); + if (encoder->input == 0) + adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + } else if (std & V4L2_STD_SECAM) { + /* This is an attempt to convert + * SECAM->PAL (typically it does not work + * due to genlock: when decoder is in SECAM + * and encoder in in PAL the subcarrier can + * not be syncronized with horizontal + * quency) */ + adv7175_write_block(sd, init_pal, sizeof(init_pal)); + if (encoder->input == 0) + adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + } else { + v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", std); + return -EINVAL; + } + v4l2_dbg(1, debug, sd, "switched to %llx\n", std); + encoder->norm = std; + return 0; +} + +static int adv7175_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route) +{ + struct adv7175 *encoder = to_adv7175(sd); + + /* RJ: route->input = 0: input is from decoder + route->input = 1: input is from ZR36060 + route->input = 2: color bar */ + + switch (route->input) { + case 0: + adv7175_write(sd, 0x01, 0x00); + + if (encoder->norm & V4L2_STD_NTSC) + set_subcarrier_freq(sd, 1); + + adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */ + if (encoder->norm & V4L2_STD_SECAM) + adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */ + else + adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */ + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + /*udelay(10);*/ break; - case VIDIOC_INT_S_STD_OUTPUT: - { - v4l2_std_id iarg = *(v4l2_std_id *) arg; - - if (iarg & V4L2_STD_NTSC) { - adv7175_write_block(client, init_ntsc, - sizeof(init_ntsc)); - if (encoder->input == 0) - adv7175_write(client, 0x0d, 0x4f); // Enable genlock - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - } else if (iarg & V4L2_STD_PAL) { - adv7175_write_block(client, init_pal, - sizeof(init_pal)); - if (encoder->input == 0) - adv7175_write(client, 0x0d, 0x4f); // Enable genlock - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - } else if (iarg & V4L2_STD_SECAM) { - /* This is an attempt to convert - * SECAM->PAL (typically it does not work - * due to genlock: when decoder is in SECAM - * and encoder in in PAL the subcarrier can - * not be syncronized with horizontal - * quency) */ - adv7175_write_block(client, init_pal, - sizeof(init_pal)); - if (encoder->input == 0) - adv7175_write(client, 0x0d, 0x49); // Disable genlock - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - } else { - v4l_dbg(1, debug, client, "illegal norm: %llx\n", iarg); - return -EINVAL; - } - v4l_dbg(1, debug, client, "switched to %llx\n", iarg); - encoder->norm = iarg; + case 1: + adv7175_write(sd, 0x01, 0x00); + + if (encoder->norm & V4L2_STD_NTSC) + set_subcarrier_freq(sd, 0); + + adv7175_write(sd, 0x0c, TR1PLAY); /* TR1 */ + adv7175_write(sd, 0x0d, 0x49); + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + /* udelay(10); */ break; - } - case VIDIOC_INT_S_VIDEO_ROUTING: - { - struct v4l2_routing *route = arg; - - /* RJ: *iarg = 0: input is from SAA7110 - *iarg = 1: input is from ZR36060 - *iarg = 2: color bar */ - - switch (route->input) { - case 0: - adv7175_write(client, 0x01, 0x00); - - if (encoder->norm & V4L2_STD_NTSC) - set_subcarrier_freq(client, 1); - - adv7175_write(client, 0x0c, TR1CAPT); /* TR1 */ - if (encoder->norm & V4L2_STD_SECAM) - adv7175_write(client, 0x0d, 0x49); // Disable genlock - else - adv7175_write(client, 0x0d, 0x4f); // Enable genlock - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - //udelay(10); - break; - - case 1: - adv7175_write(client, 0x01, 0x00); - - if (encoder->norm & V4L2_STD_NTSC) - set_subcarrier_freq(client, 0); - - adv7175_write(client, 0x0c, TR1PLAY); /* TR1 */ - adv7175_write(client, 0x0d, 0x49); - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - /* udelay(10); */ - break; - - case 2: - adv7175_write(client, 0x01, 0x80); - - if (encoder->norm & V4L2_STD_NTSC) - set_subcarrier_freq(client, 0); - - adv7175_write(client, 0x0d, 0x49); - adv7175_write(client, 0x07, TR0MODE | TR0RST); - adv7175_write(client, 0x07, TR0MODE); - /* udelay(10); */ - break; - - default: - v4l_dbg(1, debug, client, "illegal input: %d\n", route->input); - return -EINVAL; - } - v4l_dbg(1, debug, client, "switched to %s\n", inputs[route->input]); - encoder->input = route->input; + case 2: + adv7175_write(sd, 0x01, 0x80); + + if (encoder->norm & V4L2_STD_NTSC) + set_subcarrier_freq(sd, 0); + + adv7175_write(sd, 0x0d, 0x49); + adv7175_write(sd, 0x07, TR0MODE | TR0RST); + adv7175_write(sd, 0x07, TR0MODE); + /* udelay(10); */ break; - } default: + v4l2_dbg(1, debug, sd, "illegal input: %d\n", route->input); return -EINVAL; } - + v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[route->input]); + encoder->input = route->input; return 0; } +static int adv7175_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7175, 0); +} + +static int adv7175_command(struct i2c_client *client, unsigned cmd, void *arg) +{ + return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); +} + /* ----------------------------------------------------------------------- */ -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ -static unsigned short normal_i2c[] = { - I2C_ADV7175 >> 1, (I2C_ADV7175 >> 1) + 1, - I2C_ADV7176 >> 1, (I2C_ADV7176 >> 1) + 1, - I2C_CLIENT_END +static const struct v4l2_subdev_core_ops adv7175_core_ops = { + .g_chip_ident = adv7175_g_chip_ident, + .init = adv7175_init, }; -I2C_CLIENT_INSMOD; +static const struct v4l2_subdev_video_ops adv7175_video_ops = { + .s_std_output = adv7175_s_std_output, + .s_routing = adv7175_s_routing, +}; + +static const struct v4l2_subdev_ops adv7175_ops = { + .core = &adv7175_core_ops, + .video = &adv7175_video_ops, +}; + +/* ----------------------------------------------------------------------- */ static int adv7175_probe(struct i2c_client *client, const struct i2c_device_id *id) { int i; struct adv7175 *encoder; + struct v4l2_subdev *sd; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -331,25 +350,29 @@ static int adv7175_probe(struct i2c_client *client, encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL); if (encoder == NULL) return -ENOMEM; + sd = &encoder->sd; + v4l2_i2c_subdev_init(sd, client, &adv7175_ops); encoder->norm = V4L2_STD_NTSC; encoder->input = 0; - i2c_set_clientdata(client, encoder); - i = adv7175_write_block(client, init_common, sizeof(init_common)); + i = adv7175_write_block(sd, init_common, sizeof(init_common)); if (i >= 0) { - i = adv7175_write(client, 0x07, TR0MODE | TR0RST); - i = adv7175_write(client, 0x07, TR0MODE); - i = adv7175_read(client, 0x12); - v4l_dbg(1, debug, client, "revision %d\n", i & 1); + i = adv7175_write(sd, 0x07, TR0MODE | TR0RST); + i = adv7175_write(sd, 0x07, TR0MODE); + i = adv7175_read(sd, 0x12); + v4l2_dbg(1, debug, sd, "revision %d\n", i & 1); } if (i < 0) - v4l_dbg(1, debug, client, "init error 0x%x\n", i); + v4l2_dbg(1, debug, sd, "init error 0x%x\n", i); return 0; } static int adv7175_remove(struct i2c_client *client) { - kfree(i2c_get_clientdata(client)); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); + kfree(to_adv7175(sd)); return 0; } -- cgit v1.2.3-18-g5258