#include <linux/module.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/ioctl.h>
#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 <media/v4l2-i2c-drv-legacy.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver");
MODULE_AUTHOR("Maxim Yevtyushkin");
MODULE_LICENSE("GPL");
+
static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
/* ----------------------------------------------------------------------- */
struct adv7170 {
+ struct v4l2_subdev sd;
unsigned char reg[128];
v4l2_std_id norm;
int input;
- int bright;
- int contrast;
- int hue;
- int sat;
};
+static inline struct adv7170 *to_adv7170(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct adv7170, sd);
+}
+
static char *inputs[] = { "pass_through", "play_back" };
/* ----------------------------------------------------------------------- */
-static inline int adv7170_write(struct i2c_client *client, u8 reg, u8 value)
+static inline int adv7170_write(struct v4l2_subdev *sd, u8 reg, u8 value)
{
- struct adv7170 *encoder = i2c_get_clientdata(client);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct adv7170 *encoder = to_adv7170(sd);
encoder->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
-static inline int adv7170_read(struct i2c_client *client, u8 reg)
+static inline int adv7170_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 adv7170_write_block(struct i2c_client *client,
+static int adv7170_write_block(struct v4l2_subdev *sd,
const u8 *data, unsigned int len)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct adv7170 *encoder = to_adv7170(sd);
int ret = -1;
u8 reg;
* the adapter understands raw I2C */
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
/* do raw I2C, not smbus compatible */
- struct adv7170 *encoder = i2c_get_clientdata(client);
u8 block_data[32];
int block_len;
/* do some slow I2C emulation kind of thing */
while (len >= 2) {
reg = *data++;
- ret = adv7170_write(client, reg, *data++);
+ ret = adv7170_write(sd, reg, *data++);
if (ret < 0)
break;
len -= 2;
#define TR1PLAY 0x00
static const unsigned char init_NTSC[] = {
- 0x00, 0x10, // MR0
- 0x01, 0x20, // MR1
- 0x02, 0x0e, // MR2 RTC control: bits 2 and 1
- 0x03, 0x80, // MR3
- 0x04, 0x30, // MR4
- 0x05, 0x00, // Reserved
- 0x06, 0x00, // Reserved
- 0x07, TR0MODE, // TM0
- 0x08, TR1CAPT, // TM1
- 0x09, 0x16, // Fsc0
- 0x0a, 0x7c, // Fsc1
- 0x0b, 0xf0, // Fsc2
- 0x0c, 0x21, // Fsc3
- 0x0d, 0x00, // Subcarrier Phase
- 0x0e, 0x00, // Closed Capt. Ext 0
- 0x0f, 0x00, // Closed Capt. Ext 1
- 0x10, 0x00, // Closed Capt. 0
- 0x11, 0x00, // Closed Capt. 1
- 0x12, 0x00, // Pedestal Ctl 0
- 0x13, 0x00, // Pedestal Ctl 1
- 0x14, 0x00, // Pedestal Ctl 2
- 0x15, 0x00, // Pedestal Ctl 3
- 0x16, 0x00, // CGMS_WSS_0
- 0x17, 0x00, // CGMS_WSS_1
- 0x18, 0x00, // CGMS_WSS_2
- 0x19, 0x00, // Teletext Ctl
+ 0x00, 0x10, /* MR0 */
+ 0x01, 0x20, /* MR1 */
+ 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */
+ 0x03, 0x80, /* MR3 */
+ 0x04, 0x30, /* MR4 */
+ 0x05, 0x00, /* Reserved */
+ 0x06, 0x00, /* Reserved */
+ 0x07, TR0MODE, /* TM0 */
+ 0x08, TR1CAPT, /* TM1 */
+ 0x09, 0x16, /* Fsc0 */
+ 0x0a, 0x7c, /* Fsc1 */
+ 0x0b, 0xf0, /* Fsc2 */
+ 0x0c, 0x21, /* Fsc3 */
+ 0x0d, 0x00, /* Subcarrier Phase */
+ 0x0e, 0x00, /* Closed Capt. Ext 0 */
+ 0x0f, 0x00, /* Closed Capt. Ext 1 */
+ 0x10, 0x00, /* Closed Capt. 0 */
+ 0x11, 0x00, /* Closed Capt. 1 */
+ 0x12, 0x00, /* Pedestal Ctl 0 */
+ 0x13, 0x00, /* Pedestal Ctl 1 */
+ 0x14, 0x00, /* Pedestal Ctl 2 */
+ 0x15, 0x00, /* Pedestal Ctl 3 */
+ 0x16, 0x00, /* CGMS_WSS_0 */
+ 0x17, 0x00, /* CGMS_WSS_1 */
+ 0x18, 0x00, /* CGMS_WSS_2 */
+ 0x19, 0x00, /* Teletext Ctl */
};
static const unsigned char init_PAL[] = {
- 0x00, 0x71, // MR0
- 0x01, 0x20, // MR1
- 0x02, 0x0e, // MR2 RTC control: bits 2 and 1
- 0x03, 0x80, // MR3
- 0x04, 0x30, // MR4
- 0x05, 0x00, // Reserved
- 0x06, 0x00, // Reserved
- 0x07, TR0MODE, // TM0
- 0x08, TR1CAPT, // TM1
- 0x09, 0xcb, // Fsc0
- 0x0a, 0x8a, // Fsc1
- 0x0b, 0x09, // Fsc2
- 0x0c, 0x2a, // Fsc3
- 0x0d, 0x00, // Subcarrier Phase
- 0x0e, 0x00, // Closed Capt. Ext 0
- 0x0f, 0x00, // Closed Capt. Ext 1
- 0x10, 0x00, // Closed Capt. 0
- 0x11, 0x00, // Closed Capt. 1
- 0x12, 0x00, // Pedestal Ctl 0
- 0x13, 0x00, // Pedestal Ctl 1
- 0x14, 0x00, // Pedestal Ctl 2
- 0x15, 0x00, // Pedestal Ctl 3
- 0x16, 0x00, // CGMS_WSS_0
- 0x17, 0x00, // CGMS_WSS_1
- 0x18, 0x00, // CGMS_WSS_2
- 0x19, 0x00, // Teletext Ctl
+ 0x00, 0x71, /* MR0 */
+ 0x01, 0x20, /* MR1 */
+ 0x02, 0x0e, /* MR2 RTC control: bits 2 and 1 */
+ 0x03, 0x80, /* MR3 */
+ 0x04, 0x30, /* MR4 */
+ 0x05, 0x00, /* Reserved */
+ 0x06, 0x00, /* Reserved */
+ 0x07, TR0MODE, /* TM0 */
+ 0x08, TR1CAPT, /* TM1 */
+ 0x09, 0xcb, /* Fsc0 */
+ 0x0a, 0x8a, /* Fsc1 */
+ 0x0b, 0x09, /* Fsc2 */
+ 0x0c, 0x2a, /* Fsc3 */
+ 0x0d, 0x00, /* Subcarrier Phase */
+ 0x0e, 0x00, /* Closed Capt. Ext 0 */
+ 0x0f, 0x00, /* Closed Capt. Ext 1 */
+ 0x10, 0x00, /* Closed Capt. 0 */
+ 0x11, 0x00, /* Closed Capt. 1 */
+ 0x12, 0x00, /* Pedestal Ctl 0 */
+ 0x13, 0x00, /* Pedestal Ctl 1 */
+ 0x14, 0x00, /* Pedestal Ctl 2 */
+ 0x15, 0x00, /* Pedestal Ctl 3 */
+ 0x16, 0x00, /* CGMS_WSS_0 */
+ 0x17, 0x00, /* CGMS_WSS_1 */
+ 0x18, 0x00, /* CGMS_WSS_2 */
+ 0x19, 0x00, /* Teletext Ctl */
};
-static int adv7170_command(struct i2c_client *client, unsigned cmd, void *arg)
+static int adv7170_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
{
- struct adv7170 *encoder = i2c_get_clientdata(client);
-
- switch (cmd) {
- case VIDIOC_INT_INIT:
-#if 0
- /* This is just for testing!!! */
- adv7170_write_block(client, init_common,
- sizeof(init_common));
- adv7170_write(client, 0x07, TR0MODE | TR0RST);
- adv7170_write(client, 0x07, TR0MODE);
-#endif
- break;
+ struct adv7170 *encoder = to_adv7170(sd);
+
+ v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
+
+ if (std & V4L2_STD_NTSC) {
+ adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC));
+ if (encoder->input == 0)
+ adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
+ adv7170_write(sd, 0x07, TR0MODE | TR0RST);
+ adv7170_write(sd, 0x07, TR0MODE);
+ } else if (std & V4L2_STD_PAL) {
+ adv7170_write_block(sd, init_PAL, sizeof(init_PAL));
+ if (encoder->input == 0)
+ adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
+ adv7170_write(sd, 0x07, TR0MODE | TR0RST);
+ adv7170_write(sd, 0x07, TR0MODE);
+ } else {
+ v4l2_dbg(1, debug, sd, "illegal norm: %llx\n",
+ (unsigned long long)std);
+ return -EINVAL;
+ }
+ v4l2_dbg(1, debug, sd, "switched to %llx\n", (unsigned long long)std);
+ encoder->norm = std;
+ return 0;
+}
- case VIDIOC_INT_S_STD_OUTPUT:
- {
- v4l2_std_id iarg = *(v4l2_std_id *) arg;
-
- v4l_dbg(1, debug, client, "set norm %llx\n", iarg);
-
- if (iarg & V4L2_STD_NTSC) {
- adv7170_write_block(client, init_NTSC,
- sizeof(init_NTSC));
- if (encoder->input == 0)
- adv7170_write(client, 0x02, 0x0e); // Enable genlock
- adv7170_write(client, 0x07, TR0MODE | TR0RST);
- adv7170_write(client, 0x07, TR0MODE);
- } else if (iarg & V4L2_STD_PAL) {
- adv7170_write_block(client, init_PAL,
- sizeof(init_PAL));
- if (encoder->input == 0)
- adv7170_write(client, 0x02, 0x0e); // Enable genlock
- adv7170_write(client, 0x07, TR0MODE | TR0RST);
- adv7170_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;
+static int adv7170_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ struct adv7170 *encoder = to_adv7170(sd);
+
+ /* RJ: input = 0: input is from decoder
+ input = 1: input is from ZR36060
+ input = 2: color bar */
+
+ v4l2_dbg(1, debug, sd, "set input from %s\n",
+ input == 0 ? "decoder" : "ZR36060");
+
+ switch (input) {
+ case 0:
+ adv7170_write(sd, 0x01, 0x20);
+ adv7170_write(sd, 0x08, TR1CAPT); /* TR1 */
+ adv7170_write(sd, 0x02, 0x0e); /* Enable genlock */
+ adv7170_write(sd, 0x07, TR0MODE | TR0RST);
+ adv7170_write(sd, 0x07, TR0MODE);
+ /* udelay(10); */
break;
- }
- case VIDIOC_INT_S_VIDEO_ROUTING:
- {
- struct v4l2_routing *route = arg;
-
- /* RJ: *iarg = 0: input is from decoder
- *iarg = 1: input is from ZR36060
- *iarg = 2: color bar */
-
- v4l_dbg(1, debug, client, "set input from %s\n",
- route->input == 0 ? "decoder" : "ZR36060");
-
- switch (route->input) {
- case 0:
- adv7170_write(client, 0x01, 0x20);
- adv7170_write(client, 0x08, TR1CAPT); /* TR1 */
- adv7170_write(client, 0x02, 0x0e); // Enable genlock
- adv7170_write(client, 0x07, TR0MODE | TR0RST);
- adv7170_write(client, 0x07, TR0MODE);
- /* udelay(10); */
- break;
-
- case 1:
- adv7170_write(client, 0x01, 0x00);
- adv7170_write(client, 0x08, TR1PLAY); /* TR1 */
- adv7170_write(client, 0x02, 0x08);
- adv7170_write(client, 0x07, TR0MODE | TR0RST);
- adv7170_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 1:
+ adv7170_write(sd, 0x01, 0x00);
+ adv7170_write(sd, 0x08, TR1PLAY); /* TR1 */
+ adv7170_write(sd, 0x02, 0x08);
+ adv7170_write(sd, 0x07, TR0MODE | TR0RST);
+ adv7170_write(sd, 0x07, TR0MODE);
+ /* udelay(10); */
break;
- }
default:
+ v4l2_dbg(1, debug, sd, "illegal input: %d\n", input);
return -EINVAL;
}
-
+ v4l2_dbg(1, debug, sd, "switched to %s\n", inputs[input]);
+ encoder->input = input;
return 0;
}
+static int adv7170_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_ADV7170, 0);
+}
+
/* ----------------------------------------------------------------------- */
-static unsigned short normal_i2c[] = {
- 0xd4 >> 1, 0xd6 >> 1, /* adv7170 IDs */
- 0x54 >> 1, 0x56 >> 1, /* adv7171 IDs */
- I2C_CLIENT_END
+static const struct v4l2_subdev_core_ops adv7170_core_ops = {
+ .g_chip_ident = adv7170_g_chip_ident,
};
-I2C_CLIENT_INSMOD;
+static const struct v4l2_subdev_video_ops adv7170_video_ops = {
+ .s_std_output = adv7170_s_std_output,
+ .s_routing = adv7170_s_routing,
+};
+
+static const struct v4l2_subdev_ops adv7170_ops = {
+ .core = &adv7170_core_ops,
+ .video = &adv7170_video_ops,
+};
+
+/* ----------------------------------------------------------------------- */
static int adv7170_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adv7170 *encoder;
+ struct v4l2_subdev *sd;
int i;
/* Check if the adapter supports the needed features */
encoder = kzalloc(sizeof(struct adv7170), GFP_KERNEL);
if (encoder == NULL)
return -ENOMEM;
+ sd = &encoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &adv7170_ops);
encoder->norm = V4L2_STD_NTSC;
encoder->input = 0;
- i2c_set_clientdata(client, encoder);
- i = adv7170_write_block(client, init_NTSC, sizeof(init_NTSC));
+ i = adv7170_write_block(sd, init_NTSC, sizeof(init_NTSC));
if (i >= 0) {
- i = adv7170_write(client, 0x07, TR0MODE | TR0RST);
- i = adv7170_write(client, 0x07, TR0MODE);
- i = adv7170_read(client, 0x12);
- v4l_dbg(1, debug, client, "revision %d\n", i & 1);
+ i = adv7170_write(sd, 0x07, TR0MODE | TR0RST);
+ i = adv7170_write(sd, 0x07, TR0MODE);
+ i = adv7170_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 adv7170_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_adv7170(sd));
return 0;
}
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "adv7170",
- .driverid = I2C_DRIVERID_ADV7170,
- .command = adv7170_command,
.probe = adv7170_probe,
.remove = adv7170_remove,
.id_table = adv7170_id,
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