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path: root/drivers/media/video/saa7185.c
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Diffstat (limited to 'drivers/media/video/saa7185.c')
-rw-r--r--drivers/media/video/saa7185.c217
1 files changed, 119 insertions, 98 deletions
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index fc51e6c9cb95..b4eb66253bc2 100644
--- a/drivers/media/video/saa7185.c
+++ b/drivers/media/video/saa7185.c
@@ -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 = to_saa7185(sd);
+
+ 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 = i2c_get_clientdata(client);
-
- 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));
+ 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;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-02 19:10:17 +0000