forked from Minki/linux
V4L/DVB (10725): saa7185: convert to v4l2_subdev.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
e7946844e6
commit
780d8e1552
@ -30,51 +30,61 @@
|
||||
#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("Philips SAA7185 video encoder driver");
|
||||
MODULE_AUTHOR("Dave Perks");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
|
||||
static int debug;
|
||||
module_param(debug, int, 0);
|
||||
MODULE_PARM_DESC(debug, "Debug level (0-1)");
|
||||
|
||||
static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
|
||||
|
||||
I2C_CLIENT_INSMOD;
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
|
||||
struct saa7185 {
|
||||
struct v4l2_subdev sd;
|
||||
unsigned char reg[128];
|
||||
|
||||
v4l2_std_id norm;
|
||||
int bright;
|
||||
int contrast;
|
||||
int hue;
|
||||
int sat;
|
||||
};
|
||||
|
||||
static inline struct saa7185 *to_saa7185(struct v4l2_subdev *sd)
|
||||
{
|
||||
return container_of(sd, struct saa7185, sd);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
|
||||
static inline int saa7185_read(struct i2c_client *client)
|
||||
static inline int saa7185_read(struct v4l2_subdev *sd)
|
||||
{
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
|
||||
return i2c_smbus_read_byte(client);
|
||||
}
|
||||
|
||||
static int saa7185_write(struct i2c_client *client, u8 reg, u8 value)
|
||||
static int saa7185_write(struct v4l2_subdev *sd, u8 reg, u8 value)
|
||||
{
|
||||
struct saa7185 *encoder = i2c_get_clientdata(client);
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
|
||||
v4l_dbg(1, debug, client, "%02x set to %02x\n", reg, value);
|
||||
v4l2_dbg(1, debug, sd, "%02x set to %02x\n", reg, value);
|
||||
encoder->reg[reg] = value;
|
||||
return i2c_smbus_write_byte_data(client, reg, value);
|
||||
}
|
||||
|
||||
static int saa7185_write_block(struct i2c_client *client,
|
||||
static int saa7185_write_block(struct v4l2_subdev *sd,
|
||||
const u8 *data, unsigned int len)
|
||||
{
|
||||
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
int ret = -1;
|
||||
u8 reg;
|
||||
|
||||
@ -82,7 +92,6 @@ static int saa7185_write_block(struct i2c_client *client,
|
||||
* the adapter understands raw I2C */
|
||||
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
|
||||
/* do raw I2C, not smbus compatible */
|
||||
struct saa7185 *encoder = i2c_get_clientdata(client);
|
||||
u8 block_data[32];
|
||||
int block_len;
|
||||
|
||||
@ -103,7 +112,7 @@ static int saa7185_write_block(struct i2c_client *client,
|
||||
/* do some slow I2C emulation kind of thing */
|
||||
while (len >= 2) {
|
||||
reg = *data++;
|
||||
ret = saa7185_write(client, reg, *data++);
|
||||
ret = saa7185_write(sd, reg, *data++);
|
||||
if (ret < 0)
|
||||
break;
|
||||
len -= 2;
|
||||
@ -212,101 +221,111 @@ static const unsigned char init_ntsc[] = {
|
||||
0x66, 0x21, /* FSC3 */
|
||||
};
|
||||
|
||||
static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
|
||||
|
||||
static int saa7185_init(struct v4l2_subdev *sd, u32 val)
|
||||
{
|
||||
struct saa7185 *encoder = i2c_get_clientdata(client);
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
|
||||
switch (cmd) {
|
||||
case VIDIOC_INT_INIT:
|
||||
saa7185_write_block(client, init_common,
|
||||
sizeof(init_common));
|
||||
if (encoder->norm & V4L2_STD_NTSC)
|
||||
saa7185_write_block(client, init_ntsc,
|
||||
sizeof(init_ntsc));
|
||||
else
|
||||
saa7185_write_block(client, init_pal,
|
||||
sizeof(init_pal));
|
||||
saa7185_write_block(sd, init_common, sizeof(init_common));
|
||||
if (encoder->norm & V4L2_STD_NTSC)
|
||||
saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
|
||||
else
|
||||
saa7185_write_block(sd, init_pal, sizeof(init_pal));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int saa7185_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
|
||||
{
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
|
||||
if (std & V4L2_STD_NTSC)
|
||||
saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
|
||||
else if (std & V4L2_STD_PAL)
|
||||
saa7185_write_block(sd, init_pal, sizeof(init_pal));
|
||||
else
|
||||
return -EINVAL;
|
||||
encoder->norm = std;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int saa7185_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
|
||||
{
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
|
||||
/* RJ: route->input = 0: input is from SA7111
|
||||
route->input = 1: input is from ZR36060 */
|
||||
|
||||
switch (route->input) {
|
||||
case 0:
|
||||
/* turn off colorbar */
|
||||
saa7185_write(sd, 0x3a, 0x0f);
|
||||
/* Switch RTCE to 1 */
|
||||
saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08);
|
||||
saa7185_write(sd, 0x6e, 0x01);
|
||||
break;
|
||||
|
||||
case VIDIOC_INT_S_STD_OUTPUT:
|
||||
{
|
||||
v4l2_std_id *iarg = arg;
|
||||
|
||||
//saa7185_write_block(client, init_common, sizeof(init_common));
|
||||
|
||||
if (*iarg & V4L2_STD_NTSC)
|
||||
saa7185_write_block(client, init_ntsc,
|
||||
sizeof(init_ntsc));
|
||||
else if (*iarg & V4L2_STD_PAL)
|
||||
saa7185_write_block(client, init_pal,
|
||||
sizeof(init_pal));
|
||||
else
|
||||
return -EINVAL;
|
||||
encoder->norm = *iarg;
|
||||
case 1:
|
||||
/* turn off colorbar */
|
||||
saa7185_write(sd, 0x3a, 0x0f);
|
||||
/* Switch RTCE to 0 */
|
||||
saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x00);
|
||||
/* SW: a slight sync problem... */
|
||||
saa7185_write(sd, 0x6e, 0x00);
|
||||
break;
|
||||
}
|
||||
|
||||
case VIDIOC_INT_S_VIDEO_ROUTING:
|
||||
{
|
||||
struct v4l2_routing *route = arg;
|
||||
|
||||
/* RJ: route->input = 0: input is from SA7111
|
||||
route->input = 1: input is from ZR36060 */
|
||||
|
||||
switch (route->input) {
|
||||
case 0:
|
||||
/* turn off colorbar */
|
||||
saa7185_write(client, 0x3a, 0x0f);
|
||||
/* Switch RTCE to 1 */
|
||||
saa7185_write(client, 0x61,
|
||||
(encoder->reg[0x61] & 0xf7) | 0x08);
|
||||
saa7185_write(client, 0x6e, 0x01);
|
||||
break;
|
||||
|
||||
case 1:
|
||||
/* turn off colorbar */
|
||||
saa7185_write(client, 0x3a, 0x0f);
|
||||
/* Switch RTCE to 0 */
|
||||
saa7185_write(client, 0x61,
|
||||
(encoder->reg[0x61] & 0xf7) | 0x00);
|
||||
/* SW: a slight sync problem... */
|
||||
saa7185_write(client, 0x6e, 0x00);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
/* turn on colorbar */
|
||||
saa7185_write(client, 0x3a, 0x8f);
|
||||
/* Switch RTCE to 0 */
|
||||
saa7185_write(client, 0x61,
|
||||
(encoder->reg[0x61] & 0xf7) | 0x08);
|
||||
/* SW: a slight sync problem... */
|
||||
saa7185_write(client, 0x6e, 0x01);
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
case 2:
|
||||
/* turn on colorbar */
|
||||
saa7185_write(sd, 0x3a, 0x8f);
|
||||
/* Switch RTCE to 0 */
|
||||
saa7185_write(sd, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08);
|
||||
/* SW: a slight sync problem... */
|
||||
saa7185_write(sd, 0x6e, 0x01);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int saa7185_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_SAA7185, 0);
|
||||
}
|
||||
|
||||
static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
|
||||
{
|
||||
return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
|
||||
static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
|
||||
static const struct v4l2_subdev_core_ops saa7185_core_ops = {
|
||||
.g_chip_ident = saa7185_g_chip_ident,
|
||||
.init = saa7185_init,
|
||||
};
|
||||
|
||||
I2C_CLIENT_INSMOD;
|
||||
static const struct v4l2_subdev_video_ops saa7185_video_ops = {
|
||||
.s_std_output = saa7185_s_std_output,
|
||||
.s_routing = saa7185_s_routing,
|
||||
};
|
||||
|
||||
static const struct v4l2_subdev_ops saa7185_ops = {
|
||||
.core = &saa7185_core_ops,
|
||||
.video = &saa7185_video_ops,
|
||||
};
|
||||
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
|
||||
static int saa7185_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
int i;
|
||||
struct saa7185 *encoder;
|
||||
struct v4l2_subdev *sd;
|
||||
|
||||
/* Check if the adapter supports the needed features */
|
||||
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
||||
@ -319,26 +338,28 @@ static int saa7185_probe(struct i2c_client *client,
|
||||
if (encoder == NULL)
|
||||
return -ENOMEM;
|
||||
encoder->norm = V4L2_STD_NTSC;
|
||||
i2c_set_clientdata(client, encoder);
|
||||
sd = &encoder->sd;
|
||||
v4l2_i2c_subdev_init(sd, client, &saa7185_ops);
|
||||
|
||||
i = saa7185_write_block(client, init_common, sizeof(init_common));
|
||||
i = saa7185_write_block(sd, init_common, sizeof(init_common));
|
||||
if (i >= 0)
|
||||
i = saa7185_write_block(client, init_ntsc, sizeof(init_ntsc));
|
||||
i = saa7185_write_block(sd, init_ntsc, sizeof(init_ntsc));
|
||||
if (i < 0)
|
||||
v4l_dbg(1, debug, client, "init error %d\n", i);
|
||||
v4l2_dbg(1, debug, sd, "init error %d\n", i);
|
||||
else
|
||||
v4l_dbg(1, debug, client, "revision 0x%x\n",
|
||||
saa7185_read(client) >> 5);
|
||||
v4l2_dbg(1, debug, sd, "revision 0x%x\n",
|
||||
saa7185_read(sd) >> 5);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int saa7185_remove(struct i2c_client *client)
|
||||
{
|
||||
struct saa7185 *encoder = i2c_get_clientdata(client);
|
||||
|
||||
saa7185_write(client, 0x61, (encoder->reg[0x61]) | 0x40); /* SW: output off is active */
|
||||
//saa7185_write(client, 0x3a, (encoder->reg[0x3a]) | 0x80); /* SW: color bar */
|
||||
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
||||
struct saa7185 *encoder = to_saa7185(sd);
|
||||
|
||||
v4l2_device_unregister_subdev(sd);
|
||||
/* SW: output off is active */
|
||||
saa7185_write(sd, 0x61, (encoder->reg[0x61]) | 0x40);
|
||||
kfree(encoder);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -113,6 +113,9 @@ enum {
|
||||
V4L2_IDENT_SAA6752HS = 6752,
|
||||
V4L2_IDENT_SAA6752HS_AC3 = 6753,
|
||||
|
||||
/* module saa7185: just ident 7185 */
|
||||
V4L2_IDENT_SAA7185 = 7185,
|
||||
|
||||
/* module wm8739: just ident 8739 */
|
||||
V4L2_IDENT_WM8739 = 8739,
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user