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V4L/DVB (10728): adv7175: convert to v4l2-subdev.

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2009-02-19 14:56:37 -03:00
committed by Mauro Carvalho Chehab
parent 7d9ef21c2f
commit 35631dcc7f
2 changed files with 171 additions and 148 deletions
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2
drivers/media/video/adv7170.c
View File

@@ -268,7 +268,7 @@ static int adv7170_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ide
{ {
struct i2c_client *client = v4l2_get_subdevdata(sd); struct i2c_client *client = v4l2_get_subdevdata(sd);
return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_BT866, 0); return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7170, 0);
} }
static int adv7170_command(struct i2c_client *client, unsigned cmd, void *arg) static int adv7170_command(struct i2c_client *client, unsigned cmd, void *arg)

317
drivers/media/video/adv7175.c
View File

@@ -30,15 +30,26 @@
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/i2c-id.h> #include <linux/i2c-id.h>
#include <linux/videodev.h> #include <linux/videodev2.h>
#include <linux/video_encoder.h> #include <media/v4l2-device.h>
#include <media/v4l2-common.h> #include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h> #include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver"); MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver");
MODULE_AUTHOR("Dave Perks"); MODULE_AUTHOR("Dave Perks");
MODULE_LICENSE("GPL"); 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; static int debug;
module_param(debug, int, 0); module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)"); MODULE_PARM_DESC(debug, "Debug level (0-1)");
@@ -46,34 +57,38 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
/* ----------------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */
struct adv7175 { struct adv7175 {
struct v4l2_subdev sd;
v4l2_std_id norm; v4l2_std_id norm;
int input; int input;
int bright;
int contrast;
int hue;
int sat;
}; };
#define I2C_ADV7175 0xd4 static inline struct adv7175 *to_adv7175(struct v4l2_subdev *sd)
#define I2C_ADV7176 0x54 {
return container_of(sd, struct adv7175, sd);
}
static char *inputs[] = { "pass_through", "play_back", "color_bar" }; 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); 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); 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) const u8 *data, unsigned int len)
{ {
struct i2c_client *client = v4l2_get_subdevdata(sd);
int ret = -1; int ret = -1;
u8 reg; u8 reg;
@@ -101,7 +116,7 @@ static int adv7175_write_block(struct i2c_client *client,
/* do some slow I2C emulation kind of thing */ /* do some slow I2C emulation kind of thing */
while (len >= 2) { while (len >= 2) {
reg = *data++; reg = *data++;
ret = adv7175_write(client, reg, *data++); ret = adv7175_write(sd, reg, *data++);
if (ret < 0) if (ret < 0)
break; break;
len -= 2; len -= 2;
@@ -111,18 +126,18 @@ static int adv7175_write_block(struct i2c_client *client,
return ret; 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 /* for some reason pass_through NTSC needs
* a different sub-carrier freq to remain stable. */ * a different sub-carrier freq to remain stable. */
if (pass_through) if (pass_through)
adv7175_write(client, 0x02, 0x00); adv7175_write(sd, 0x02, 0x00);
else else
adv7175_write(client, 0x02, 0x55); adv7175_write(sd, 0x02, 0x55);
adv7175_write(client, 0x03, 0x55); adv7175_write(sd, 0x03, 0x55);
adv7175_write(client, 0x04, 0x55); adv7175_write(sd, 0x04, 0x55);
adv7175_write(client, 0x05, 0x25); adv7175_write(sd, 0x05, 0x25);
} }
/* ----------------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */
@@ -182,144 +197,148 @@ static const unsigned char init_ntsc[] = {
0x06, 0x1a, /* subc. phase */ 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)
{ {
struct adv7175 *encoder = i2c_get_clientdata(client); /* 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;
}
switch (cmd) { static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
case VIDIOC_INT_INIT: {
/* This is just for testing!!! */ struct adv7175 *encoder = to_adv7175(sd);
adv7175_write_block(client, init_common,
sizeof(init_common));
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
break;
case VIDIOC_INT_S_STD_OUTPUT: if (std & V4L2_STD_NTSC) {
{ adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc));
v4l2_std_id iarg = *(v4l2_std_id *) arg; if (encoder->input == 0)
adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
if (iarg & V4L2_STD_NTSC) { adv7175_write(sd, 0x07, TR0MODE | TR0RST);
adv7175_write_block(client, init_ntsc, adv7175_write(sd, 0x07, TR0MODE);
sizeof(init_ntsc)); } else if (std & V4L2_STD_PAL) {
if (encoder->input == 0) adv7175_write_block(sd, init_pal, sizeof(init_pal));
adv7175_write(client, 0x0d, 0x4f); // Enable genlock if (encoder->input == 0)
adv7175_write(client, 0x07, TR0MODE | TR0RST); adv7175_write(sd, 0x0d, 0x4f); /* Enable genlock */
adv7175_write(client, 0x07, TR0MODE); adv7175_write(sd, 0x07, TR0MODE | TR0RST);
} else if (iarg & V4L2_STD_PAL) { adv7175_write(sd, 0x07, TR0MODE);
adv7175_write_block(client, init_pal, } else if (std & V4L2_STD_SECAM) {
sizeof(init_pal)); /* This is an attempt to convert
if (encoder->input == 0) * SECAM->PAL (typically it does not work
adv7175_write(client, 0x0d, 0x4f); // Enable genlock * due to genlock: when decoder is in SECAM
adv7175_write(client, 0x07, TR0MODE | TR0RST); * and encoder in in PAL the subcarrier can
adv7175_write(client, 0x07, TR0MODE); * not be syncronized with horizontal
} else if (iarg & V4L2_STD_SECAM) { * quency) */
/* This is an attempt to convert adv7175_write_block(sd, init_pal, sizeof(init_pal));
* SECAM->PAL (typically it does not work if (encoder->input == 0)
* due to genlock: when decoder is in SECAM adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
* and encoder in in PAL the subcarrier can adv7175_write(sd, 0x07, TR0MODE | TR0RST);
* not be syncronized with horizontal adv7175_write(sd, 0x07, TR0MODE);
* quency) */ } else {
adv7175_write_block(client, init_pal, v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", std);
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;
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;
break;
}
default:
return -EINVAL; return -EINVAL;
} }
v4l2_dbg(1, debug, sd, "switched to %llx\n", std);
encoder->norm = std;
return 0; 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 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 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);
}
/* ----------------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */
/* static const struct v4l2_subdev_core_ops adv7175_core_ops = {
* Generic i2c probe .g_chip_ident = adv7175_g_chip_ident,
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' .init = adv7175_init,
*/
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 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, static int adv7175_probe(struct i2c_client *client,
const struct i2c_device_id *id) const struct i2c_device_id *id)
{ {
int i; int i;
struct adv7175 *encoder; struct adv7175 *encoder;
struct v4l2_subdev *sd;
/* Check if the adapter supports the needed features */ /* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 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); encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL);
if (encoder == NULL) if (encoder == NULL)
return -ENOMEM; return -ENOMEM;
sd = &encoder->sd;
v4l2_i2c_subdev_init(sd, client, &adv7175_ops);
encoder->norm = V4L2_STD_NTSC; encoder->norm = V4L2_STD_NTSC;
encoder->input = 0; 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) { if (i >= 0) {
i = adv7175_write(client, 0x07, TR0MODE | TR0RST); i = adv7175_write(sd, 0x07, TR0MODE | TR0RST);
i = adv7175_write(client, 0x07, TR0MODE); i = adv7175_write(sd, 0x07, TR0MODE);
i = adv7175_read(client, 0x12); i = adv7175_read(sd, 0x12);
v4l_dbg(1, debug, client, "revision %d\n", i & 1); v4l2_dbg(1, debug, sd, "revision %d\n", i & 1);
} }
if (i < 0) 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; return 0;
} }
static int adv7175_remove(struct i2c_client *client) 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; return 0;
} }