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V4L/DVB (10718): bt866: convert to v4l2_subdev.

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2009-02-19 04:49:29 -03:00 • committed by Mauro Carvalho Chehab
parent 886fe23d1c
commit 8e4e1d8054
2 changed files with 131 additions and 115 deletions
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243
drivers/media/video/bt866.c
View file

@ -34,9 +34,9 @@
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/i2c-id.h> #include <linux/i2c-id.h>
#include <linux/videodev.h> #include <linux/videodev2.h>
#include <linux/video_encoder.h> #include <media/v4l2-device.h>
#include <media/v4l2-common.h> #include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv-legacy.h> #include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("Brooktree-866 video encoder driver"); MODULE_DESCRIPTION("Brooktree-866 video encoder driver");
@ -47,21 +47,25 @@ static int debug;
module_param(debug, int, 0); module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)"); MODULE_PARM_DESC(debug, "Debug level (0-1)");
static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
I2C_CLIENT_INSMOD;
/* ----------------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */
struct bt866 { struct bt866 {
struct v4l2_subdev sd;
u8 reg[256]; 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]; u8 buffer[2];
int err; int err;
@ -88,119 +92,125 @@ static int bt866_write(struct i2c_client *client, u8 subaddr, u8 data)
return 0; 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); v4l2_dbg(1, debug, sd, "set norm %llx\n", std);
switch (cmd) { /* Only PAL supported by this driver at the moment! */
case VIDIOC_INT_S_STD_OUTPUT: if (!(std & V4L2_STD_NTSC))
{
v4l2_std_id *iarg = arg;
v4l_dbg(1, debug, client, "set norm %llx\n", *iarg);
if (!(*iarg & (V4L2_STD_NTSC | V4L2_STD_PAL)))
return -EINVAL;
encoder->norm = *iarg;
break;
}
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;
}
break;
}
case 4711:
{
int *iarg = arg;
__u8 val;
v4l_dbg(1, debug, client, "square %d\n", *iarg);
val = encoder->reg[0xdc];
if (*iarg)
val |= 1; /* SQUARE */
else
val &= ~1; /* !SQUARE */
bt866_write(client, 0xdc, val);
break;
}
default:
return -EINVAL; return -EINVAL;
}
return 0; return 0;
} }
static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END }; 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 */
I2C_CLIENT_INSMOD; /* 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;
}
#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);
return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_BT866, 0);
}
static int bt866_command(struct i2c_client *client, unsigned cmd, void *arg)
{
return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
}
/* ----------------------------------------------------------------------- */
static const struct v4l2_subdev_core_ops bt866_core_ops = {
.g_chip_ident = bt866_g_chip_ident,
};
static const struct v4l2_subdev_video_ops bt866_video_ops = {
.s_std_output = bt866_s_std_output,
.s_routing = bt866_s_routing,
};
static const struct v4l2_subdev_ops bt866_ops = {
.core = &bt866_core_ops,
.video = &bt866_video_ops,
};
static int bt866_probe(struct i2c_client *client, static int bt866_probe(struct i2c_client *client,
const struct i2c_device_id *id) const struct i2c_device_id *id)
{ {
struct bt866 *encoder; struct bt866 *encoder;
struct v4l2_subdev *sd;
v4l_info(client, "chip found @ 0x%x (%s)\n", v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name); client->addr << 1, client->adapter->name);
@ -208,14 +218,17 @@ static int bt866_probe(struct i2c_client *client,
encoder = kzalloc(sizeof(*encoder), GFP_KERNEL); encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
if (encoder == NULL) if (encoder == NULL)
return -ENOMEM; return -ENOMEM;
sd = &encoder->sd;
i2c_set_clientdata(client, encoder); v4l2_i2c_subdev_init(sd, client, &bt866_ops);
return 0; return 0;
} }
static int bt866_remove(struct i2c_client *client) 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; return 0;
} }

3
include/media/v4l2-chip-ident.h
View file

@ -71,6 +71,9 @@ enum {
V4L2_IDENT_CX23416 = 416, V4L2_IDENT_CX23416 = 416,
V4L2_IDENT_CX23418 = 418, V4L2_IDENT_CX23418 = 418,
/* module bt866: just ident 866 */
V4L2_IDENT_BT866 = 866,
/* module vp27smpx: just ident 2700 */ /* module vp27smpx: just ident 2700 */
V4L2_IDENT_VP27SMPX = 2700, V4L2_IDENT_VP27SMPX = 2700,