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linux-davinci
Commit 35631dcc authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (10728): adv7175: convert to v4l2-subdev. 

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 7d9ef21c
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Showing with 166 additions and 143 deletions
drivers/media/video/adv7170.c
View file @ 35631dcc
......@@ -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);
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)
......
drivers/media/video/adv7175.c
View file @ 35631dcc
......@@ -30,15 +30,26 @@
#include <asm/uaccess.h>
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/videodev.h>
#include <linux/video_encoder.h>
#include <media/v4l2-common.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h>
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)
{
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);
break;
adv7175_write_block(sd, init_common, sizeof(init_common));
adv7175_write(sd, 0x07, TR0MODE | TR0RST);
adv7175_write(sd, 0x07, TR0MODE);
return 0;
}
case VIDIOC_INT_S_STD_OUTPUT:
{
v4l2_std_id iarg = *(v4l2_std_id *) arg;
static int adv7175_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct adv7175 *encoder = to_adv7175(sd);
if (iarg & V4L2_STD_NTSC) {
adv7175_write_block(client, init_ntsc,
sizeof(init_ntsc));
if (std & V4L2_STD_NTSC) {
adv7175_write_block(sd, 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));
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(client, 0x0d, 0x4f); // Enable genlock
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
} else if (iarg & V4L2_STD_SECAM) {
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(client, init_pal,
sizeof(init_pal));
adv7175_write_block(sd, 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);
adv7175_write(sd, 0x0d, 0x49); /* Disable genlock */
adv7175_write(sd, 0x07, TR0MODE | TR0RST);
adv7175_write(sd, 0x07, TR0MODE);
} else {
v4l_dbg(1, debug, client, "illegal norm: %llx\n", iarg);
v4l2_dbg(1, debug, sd, "illegal norm: %llx\n", std);
return -EINVAL;
}
v4l_dbg(1, debug, client, "switched to %llx\n", iarg);
encoder->norm = iarg;
break;
}
v4l2_dbg(1, debug, sd, "switched to %llx\n", std);
encoder->norm = std;
return 0;
}
case VIDIOC_INT_S_VIDEO_ROUTING:
{
struct v4l2_routing *route = arg;
static int adv7175_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
{
struct adv7175 *encoder = to_adv7175(sd);
/* RJ: *iarg = 0: input is from SAA7110
*iarg = 1: input is from ZR36060
*iarg = 2: color bar */
/* 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(client, 0x01, 0x00);
adv7175_write(sd, 0x01, 0x00);
if (encoder->norm & V4L2_STD_NTSC)
set_subcarrier_freq(client, 1);
set_subcarrier_freq(sd, 1);
adv7175_write(client, 0x0c, TR1CAPT); /* TR1 */
adv7175_write(sd, 0x0c, TR1CAPT); /* TR1 */
if (encoder->norm & V4L2_STD_SECAM)
adv7175_write(client, 0x0d, 0x49); // Disable genlock
adv7175_write(sd, 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);
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(client, 0x01, 0x00);
adv7175_write(sd, 0x01, 0x00);
if (encoder->norm & V4L2_STD_NTSC)
set_subcarrier_freq(client, 0);
set_subcarrier_freq(sd, 0);
adv7175_write(client, 0x0c, TR1PLAY); /* TR1 */
adv7175_write(client, 0x0d, 0x49);
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
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(client, 0x01, 0x80);
adv7175_write(sd, 0x01, 0x80);
if (encoder->norm & V4L2_STD_NTSC)
set_subcarrier_freq(client, 0);
set_subcarrier_freq(sd, 0);
adv7175_write(client, 0x0d, 0x49);
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
adv7175_write(sd, 0x0d, 0x49);
adv7175_write(sd, 0x07, TR0MODE | TR0RST);
adv7175_write(sd, 0x07, TR0MODE);
/* udelay(10); */
break;
default:
v4l_dbg(1, debug, client, "illegal input: %d\n", route->input);
v4l2_dbg(1, debug, sd, "illegal input: %d\n", route->input);
return -EINVAL;
}
v4l_dbg(1, debug, client, "switched to %s\n", inputs[route->input]);
v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[route->input]);
encoder->input = route->input;
break;
}
return 0;
}
default:
return -EINVAL;
}
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 0;
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;
}
......
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