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-rw-r--r--drivers/media/video/bt866.c233
-rw-r--r--include/media/v4l2-chip-ident.h3
2 files changed, 126 insertions, 110 deletions
diff --git a/drivers/media/video/bt866.c b/drivers/media/video/bt866.c
index 1df24c8..18d3838 100644
--- a/drivers/media/video/bt866.c
+++ b/drivers/media/video/bt866.c
@@ -34,9 +34,9 @@
#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("Brooktree-866 video encoder driver");
@@ -47,21 +47,25 @@ 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 bt866 {
+ struct v4l2_subdev sd;
u8 reg[256];
-
- v4l2_std_id norm;
- int bright;
- int contrast;
- int hue;
- int sat;
};
-static int bt866_write(struct i2c_client *client, u8 subaddr, u8 data)
+static inline struct bt866 *to_bt866(struct v4l2_subdev *sd)
{
- struct bt866 *encoder = i2c_get_clientdata(client);
+ return container_of(sd, struct bt866, sd);
+}
+
+static int bt866_write(struct bt866 *encoder, u8 subaddr, u8 data)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&encoder->sd);
u8 buffer[2];
int err;
@@ -88,119 +92,125 @@ static int bt866_write(struct i2c_client *client, u8 subaddr, u8 data)
return 0;
}
-static int bt866_command(struct i2c_client *client, unsigned cmd, void *arg)
+static int bt866_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
{
- struct bt866 *encoder = i2c_get_clientdata(client);
-
- switch (cmd) {
- case VIDIOC_INT_S_STD_OUTPUT:
- {
- v4l2_std_id *iarg = arg;
-
- v4l_dbg(1, debug, client, "set norm %llx\n", *iarg);
+ v4l2_dbg(1, debug, sd, "set norm %llx\n", std);
- if (!(*iarg & (V4L2_STD_NTSC | V4L2_STD_PAL)))
- return -EINVAL;
- encoder->norm = *iarg;
- break;
- }
+ /* Only PAL supported by this driver at the moment! */
+ if (!(std & V4L2_STD_NTSC))
+ return -EINVAL;
+ return 0;
+}
- case VIDIOC_INT_S_VIDEO_ROUTING:
- {
- struct v4l2_routing *route = arg;
- static const __u8 init[] = {
- 0xc8, 0xcc, /* CRSCALE */
- 0xca, 0x91, /* CBSCALE */
- 0xcc, 0x24, /* YC16 | OSDNUM */
- 0xda, 0x00, /* */
- 0xdc, 0x24, /* SETMODE | PAL */
- 0xde, 0x02, /* EACTIVE */
-
- /* overlay colors */
- 0x70, 0xEB, 0x90, 0x80, 0xB0, 0x80, /* white */
- 0x72, 0xA2, 0x92, 0x8E, 0xB2, 0x2C, /* yellow */
- 0x74, 0x83, 0x94, 0x2C, 0xB4, 0x9C, /* cyan */
- 0x76, 0x70, 0x96, 0x3A, 0xB6, 0x48, /* green */
- 0x78, 0x54, 0x98, 0xC6, 0xB8, 0xB8, /* magenta */
- 0x7A, 0x41, 0x9A, 0xD4, 0xBA, 0x64, /* red */
- 0x7C, 0x23, 0x9C, 0x72, 0xBC, 0xD4, /* blue */
- 0x7E, 0x10, 0x9E, 0x80, 0xBE, 0x80, /* black */
-
- 0x60, 0xEB, 0x80, 0x80, 0xc0, 0x80, /* white */
- 0x62, 0xA2, 0x82, 0x8E, 0xc2, 0x2C, /* yellow */
- 0x64, 0x83, 0x84, 0x2C, 0xc4, 0x9C, /* cyan */
- 0x66, 0x70, 0x86, 0x3A, 0xc6, 0x48, /* green */
- 0x68, 0x54, 0x88, 0xC6, 0xc8, 0xB8, /* magenta */
- 0x6A, 0x41, 0x8A, 0xD4, 0xcA, 0x64, /* red */
- 0x6C, 0x23, 0x8C, 0x72, 0xcC, 0xD4, /* blue */
- 0x6E, 0x10, 0x8E, 0x80, 0xcE, 0x80, /* black */
- };
- int i;
- u8 val;
-
- for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)
- bt866_write(client, init[i], init[i+1]);
-
- val = encoder->reg[0xdc];
-
- if (route->input == 0)
- val |= 0x40; /* CBSWAP */
- else
- val &= ~0x40; /* !CBSWAP */
-
- bt866_write(client, 0xdc, val);
-
- val = encoder->reg[0xcc];
- if (route->input == 2)
- val |= 0x01; /* OSDBAR */
- else
- val &= ~0x01; /* !OSDBAR */
- bt866_write(client, 0xcc, val);
-
- v4l_dbg(1, debug, client, "set input %d\n", route->input);
-
- switch (route->input) {
- case 0:
- break;
- case 1:
- break;
- default:
- return -EINVAL;
- }
+static int bt866_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ static const __u8 init[] = {
+ 0xc8, 0xcc, /* CRSCALE */
+ 0xca, 0x91, /* CBSCALE */
+ 0xcc, 0x24, /* YC16 | OSDNUM */
+ 0xda, 0x00, /* */
+ 0xdc, 0x24, /* SETMODE | PAL */
+ 0xde, 0x02, /* EACTIVE */
+
+ /* overlay colors */
+ 0x70, 0xEB, 0x90, 0x80, 0xB0, 0x80, /* white */
+ 0x72, 0xA2, 0x92, 0x8E, 0xB2, 0x2C, /* yellow */
+ 0x74, 0x83, 0x94, 0x2C, 0xB4, 0x9C, /* cyan */
+ 0x76, 0x70, 0x96, 0x3A, 0xB6, 0x48, /* green */
+ 0x78, 0x54, 0x98, 0xC6, 0xB8, 0xB8, /* magenta */
+ 0x7A, 0x41, 0x9A, 0xD4, 0xBA, 0x64, /* red */
+ 0x7C, 0x23, 0x9C, 0x72, 0xBC, 0xD4, /* blue */
+ 0x7E, 0x10, 0x9E, 0x80, 0xBE, 0x80, /* black */
+
+ 0x60, 0xEB, 0x80, 0x80, 0xc0, 0x80, /* white */
+ 0x62, 0xA2, 0x82, 0x8E, 0xc2, 0x2C, /* yellow */
+ 0x64, 0x83, 0x84, 0x2C, 0xc4, 0x9C, /* cyan */
+ 0x66, 0x70, 0x86, 0x3A, 0xc6, 0x48, /* green */
+ 0x68, 0x54, 0x88, 0xC6, 0xc8, 0xB8, /* magenta */
+ 0x6A, 0x41, 0x8A, 0xD4, 0xcA, 0x64, /* red */
+ 0x6C, 0x23, 0x8C, 0x72, 0xcC, 0xD4, /* blue */
+ 0x6E, 0x10, 0x8E, 0x80, 0xcE, 0x80, /* black */
+ };
+ struct bt866 *encoder = to_bt866(sd);
+ u8 val;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)
+ bt866_write(encoder, init[i], init[i+1]);
+
+ val = encoder->reg[0xdc];
+
+ if (route->input == 0)
+ val |= 0x40; /* CBSWAP */
+ else
+ val &= ~0x40; /* !CBSWAP */
+
+ bt866_write(encoder, 0xdc, val);
+
+ val = encoder->reg[0xcc];
+ if (route->input == 2)
+ val |= 0x01; /* OSDBAR */
+ else
+ val &= ~0x01; /* !OSDBAR */
+ bt866_write(encoder, 0xcc, val);
+
+ v4l2_dbg(1, debug, sd, "set input %d\n", route->input);
+
+ switch (route->input) {
+ case 0:
+ case 1:
+ case 2:
break;
+ default:
+ return -EINVAL;
}
+ return 0;
+}
- case 4711:
- {
- int *iarg = arg;
- __u8 val;
+#if 0
+/* Code to setup square pixels, might be of some use in the future,
+ but is currently unused. */
+ val = encoder->reg[0xdc];
+ if (*iarg)
+ val |= 1; /* SQUARE */
+ else
+ val &= ~1; /* !SQUARE */
+ bt866_write(client, 0xdc, val);
+#endif
+
+static int bt866_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- v4l_dbg(1, debug, client, "square %d\n", *iarg);
+ return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_BT866, 0);
+}
- val = encoder->reg[0xdc];
- if (*iarg)
- val |= 1; /* SQUARE */
- else
- val &= ~1; /* !SQUARE */
- bt866_write(client, 0xdc, val);
- break;
- }
+static int bt866_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
- default:
- return -EINVAL;
- }
+/* ----------------------------------------------------------------------- */
- return 0;
-}
+static const struct v4l2_subdev_core_ops bt866_core_ops = {
+ .g_chip_ident = bt866_g_chip_ident,
+};
-static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
+static const struct v4l2_subdev_video_ops bt866_video_ops = {
+ .s_std_output = bt866_s_std_output,
+ .s_routing = bt866_s_routing,
+};
-I2C_CLIENT_INSMOD;
+static const struct v4l2_subdev_ops bt866_ops = {
+ .core = &bt866_core_ops,
+ .video = &bt866_video_ops,
+};
static int bt866_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bt866 *encoder;
+ struct v4l2_subdev *sd;
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
@@ -208,14 +218,17 @@ static int bt866_probe(struct i2c_client *client,
encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
if (encoder == NULL)
return -ENOMEM;
-
- i2c_set_clientdata(client, encoder);
+ sd = &encoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &bt866_ops);
return 0;
}
static int bt866_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_bt866(sd));
return 0;
}
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index bbe2bb6..cfb236e 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -71,6 +71,9 @@ enum {
V4L2_IDENT_CX23416 = 416,
V4L2_IDENT_CX23418 = 418,
+ /* module bt866: just ident 866 */
+ V4L2_IDENT_BT866 = 866,
+
/* module vp27smpx: just ident 2700 */
V4L2_IDENT_VP27SMPX = 2700,
generated by cgit v1.1 at 2024-11-03 11:26:35 +0000