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V4L/DVB (9830): upd64031a: 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 2008-11-29 12:59:33 -03:00 committed by Mauro Carvalho Chehab
parent e8a4a9e79b
commit 09abd5065f
1 changed files with 113 additions and 80 deletions
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193
drivers/media/video/upd64031a.c
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@ -26,7 +26,7 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/videodev2.h> #include <linux/videodev2.h>
#include <media/v4l2-common.h> #include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h> #include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv.h> #include <media/v4l2-i2c-drv.h>
#include <media/upd64031a.h> #include <media/upd64031a.h>
@ -62,6 +62,7 @@ enum {
}; };
struct upd64031a_state { struct upd64031a_state {
struct v4l2_subdev sd;
u8 regs[TOT_REGS]; u8 regs[TOT_REGS];
u8 gr_mode; u8 gr_mode;
u8 direct_3dycs_connect; u8 direct_3dycs_connect;
@ -69,6 +70,11 @@ struct upd64031a_state {
u8 ext_vert_sync; u8 ext_vert_sync;
}; };
static inline struct upd64031a_state *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct upd64031a_state, sd);
}
static u8 upd64031a_init[] = { static u8 upd64031a_init[] = {
0x00, 0xb8, 0x48, 0xd2, 0xe6, 0x00, 0xb8, 0x48, 0xd2, 0xe6,
0x03, 0x10, 0x0b, 0xaf, 0x7f, 0x03, 0x10, 0x0b, 0xaf, 0x7f,
@ -78,8 +84,9 @@ static u8 upd64031a_init[] = {
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
static u8 upd64031a_read(struct i2c_client *client, u8 reg) static u8 upd64031a_read(struct v4l2_subdev *sd, u8 reg)
{ {
struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 buf[2]; u8 buf[2];
if (reg >= sizeof(buf)) if (reg >= sizeof(buf))
@ -90,107 +97,128 @@ static u8 upd64031a_read(struct i2c_client *client, u8 reg)
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
static void upd64031a_write(struct i2c_client *client, u8 reg, u8 val) static void upd64031a_write(struct v4l2_subdev *sd, u8 reg, u8 val)
{ {
struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 buf[2]; u8 buf[2];
buf[0] = reg; buf[0] = reg;
buf[1] = val; buf[1] = val;
v4l_dbg(1, debug, client, "write reg: %02X val: %02X\n", reg, val); v4l2_dbg(1, debug, sd, "write reg: %02X val: %02X\n", reg, val);
if (i2c_master_send(client, buf, 2) != 2) if (i2c_master_send(client, buf, 2) != 2)
v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val); v4l2_err(sd, "I/O error write 0x%02x/0x%02x\n", reg, val);
} }
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
/* The input changed due to new input or channel changed */ /* The input changed due to new input or channel changed */
static void upd64031a_change(struct i2c_client *client) static int upd64031a_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
{ {
struct upd64031a_state *state = i2c_get_clientdata(client); struct upd64031a_state *state = to_state(sd);
u8 reg = state->regs[R00]; u8 reg = state->regs[R00];
v4l_dbg(1, debug, client, "changed input or channel\n"); v4l2_dbg(1, debug, sd, "changed input or channel\n");
upd64031a_write(client, R00, reg | 0x10); upd64031a_write(sd, R00, reg | 0x10);
upd64031a_write(client, R00, reg & ~0x10); upd64031a_write(sd, R00, reg & ~0x10);
return 0;
} }
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
static int upd64031a_command(struct i2c_client *client, unsigned cmd, void *arg) static int upd64031a_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
{ {
struct upd64031a_state *state = i2c_get_clientdata(client); struct upd64031a_state *state = to_state(sd);
struct v4l2_routing *route = arg; u8 r00, r05, r08;
switch (cmd) { state->gr_mode = (route->input & 3) << 6;
case VIDIOC_S_FREQUENCY: state->direct_3dycs_connect = (route->input & 0xc) << 4;
upd64031a_change(client); state->ext_comp_sync =
break; (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
state->ext_vert_sync =
(route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
state->ext_comp_sync | state->ext_vert_sync;
r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
state->direct_3dycs_connect;
upd64031a_write(sd, R00, r00);
upd64031a_write(sd, R05, r05);
upd64031a_write(sd, R08, r08);
return upd64031a_s_frequency(sd, NULL);
}
case VIDIOC_INT_G_VIDEO_ROUTING: static int upd64031a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
route->input = (state->gr_mode >> 6) | {
(state->direct_3dycs_connect >> 4) | struct i2c_client *client = v4l2_get_subdevdata(sd);
(state->ext_comp_sync >> 1) |
(state->ext_vert_sync >> 2);
route->output = 0;
break;
case VIDIOC_INT_S_VIDEO_ROUTING: return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_UPD64031A, 0);
{ }
u8 r00, r05, r08;
state->gr_mode = (route->input & 3) << 6; static int upd64031a_log_status(struct v4l2_subdev *sd)
state->direct_3dycs_connect = (route->input & 0xc) << 4; {
state->ext_comp_sync = v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
(route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1; upd64031a_read(sd, 0), upd64031a_read(sd, 1));
state->ext_vert_sync =
(route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
state->ext_comp_sync | state->ext_vert_sync;
r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
state->direct_3dycs_connect;
upd64031a_write(client, R00, r00);
upd64031a_write(client, R05, r05);
upd64031a_write(client, R08, r08);
upd64031a_change(client);
break;
}
case VIDIOC_LOG_STATUS:
v4l_info(client, "Status: SA00=0x%02x SA01=0x%02x\n",
upd64031a_read(client, 0), upd64031a_read(client, 1));
break;
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
if (!v4l2_chip_match_i2c_client(client,
reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (cmd == VIDIOC_DBG_G_REGISTER) {
reg->val = upd64031a_read(client, reg->reg & 0xff);
break;
}
upd64031a_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
case VIDIOC_G_CHIP_IDENT:
return v4l2_chip_ident_i2c_client(client, arg,
V4L2_IDENT_UPD64031A, 0);
default:
break;
}
return 0; return 0;
} }
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!v4l2_chip_match_i2c_client(client,
reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = upd64031a_read(sd, reg->reg & 0xff);
return 0;
}
static int upd64031a_s_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!v4l2_chip_match_i2c_client(client,
reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
#endif
static int upd64031a_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 upd64031a_core_ops = {
.log_status = upd64031a_log_status,
.g_chip_ident = upd64031a_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = upd64031a_g_register,
.s_register = upd64031a_s_register,
#endif
};
static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
.s_frequency = upd64031a_s_frequency,
};
static const struct v4l2_subdev_video_ops upd64031a_video_ops = {
.s_routing = upd64031a_s_routing,
};
static const struct v4l2_subdev_ops upd64031a_ops = {
.core = &upd64031a_core_ops,
.tuner = &upd64031a_tuner_ops,
.video = &upd64031a_video_ops,
};
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
/* i2c implementation */ /* i2c implementation */
@ -199,6 +227,7 @@ static int upd64031a_probe(struct i2c_client *client,
const struct i2c_device_id *id) const struct i2c_device_id *id)
{ {
struct upd64031a_state *state; struct upd64031a_state *state;
struct v4l2_subdev *sd;
int i; int i;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@ -210,19 +239,23 @@ static int upd64031a_probe(struct i2c_client *client,
state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL); state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
if (state == NULL) if (state == NULL)
return -ENOMEM; return -ENOMEM;
i2c_set_clientdata(client, state); sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &upd64031a_ops);
memcpy(state->regs, upd64031a_init, sizeof(state->regs)); memcpy(state->regs, upd64031a_init, sizeof(state->regs));
state->gr_mode = UPD64031A_GR_ON << 6; state->gr_mode = UPD64031A_GR_ON << 6;
state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4; state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
state->ext_comp_sync = state->ext_vert_sync = 0; state->ext_comp_sync = state->ext_vert_sync = 0;
for (i = 0; i < TOT_REGS; i++) for (i = 0; i < TOT_REGS; i++)
upd64031a_write(client, i, state->regs[i]); upd64031a_write(sd, i, state->regs[i]);
return 0; return 0;
} }
static int upd64031a_remove(struct i2c_client *client) static int upd64031a_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_state(sd));
return 0; return 0;
} }