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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>
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Hans Verkuil authored and Mauro Carvalho Chehab committed Dec 30, 2008
1 parent e8a4a9e commit 09abd50
Showing 1 changed file with 113 additions and 80 deletions.
193 changes: 113 additions & 80 deletions drivers/media/video/upd64031a.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv.h>
#include <media/upd64031a.h>
Expand Down Expand Up @@ -62,13 +62,19 @@ enum {
};

struct upd64031a_state {
struct v4l2_subdev sd;
u8 regs[TOT_REGS];
u8 gr_mode;
u8 direct_3dycs_connect;
u8 ext_comp_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[] = {
0x00, 0xb8, 0x48, 0xd2, 0xe6,
0x03, 0x10, 0x0b, 0xaf, 0x7f,
Expand All @@ -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];

if (reg >= sizeof(buf))
Expand All @@ -90,106 +97,127 @@ 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];

buf[0] = reg;
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)
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 */
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];

v4l_dbg(1, debug, client, "changed input or channel\n");
upd64031a_write(client, R00, reg | 0x10);
upd64031a_write(client, R00, reg & ~0x10);
v4l2_dbg(1, debug, sd, "changed input or channel\n");
upd64031a_write(sd, R00, reg | 0x10);
upd64031a_write(sd, R00, reg & ~0x10);
return 0;
}

/* ------------------------------------------------------------------------ */

static int upd64031a_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
{
struct upd64031a_state *state = to_state(sd);
u8 r00, r05, r08;

state->gr_mode = (route->input & 3) << 6;
state->direct_3dycs_connect = (route->input & 0xc) << 4;
state->ext_comp_sync =
(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);
}

static int upd64031a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);

return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_UPD64031A, 0);
}

static int upd64031a_log_status(struct v4l2_subdev *sd)
{
v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
upd64031a_read(sd, 0), upd64031a_read(sd, 1));
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)
{
struct upd64031a_state *state = i2c_get_clientdata(client);
struct v4l2_routing *route = arg;

switch (cmd) {
case VIDIOC_S_FREQUENCY:
upd64031a_change(client);
break;

case VIDIOC_INT_G_VIDEO_ROUTING:
route->input = (state->gr_mode >> 6) |
(state->direct_3dycs_connect >> 4) |
(state->ext_comp_sync >> 1) |
(state->ext_vert_sync >> 2);
route->output = 0;
break;

case VIDIOC_INT_S_VIDEO_ROUTING:
{
u8 r00, r05, r08;

state->gr_mode = (route->input & 3) << 6;
state->direct_3dycs_connect = (route->input & 0xc) << 4;
state->ext_comp_sync =
(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(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;
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
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;
}
.g_register = upd64031a_g_register,
.s_register = upd64031a_s_register,
#endif
};

case VIDIOC_G_CHIP_IDENT:
return v4l2_chip_ident_i2c_client(client, arg,
V4L2_IDENT_UPD64031A, 0);
static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
.s_frequency = upd64031a_s_frequency,
};

default:
break;
}
return 0;
}
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,
};

/* ------------------------------------------------------------------------ */

Expand All @@ -199,6 +227,7 @@ static int upd64031a_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct upd64031a_state *state;
struct v4l2_subdev *sd;
int i;

if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
Expand All @@ -210,19 +239,23 @@ static int upd64031a_probe(struct i2c_client *client,
state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
if (state == NULL)
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));
state->gr_mode = UPD64031A_GR_ON << 6;
state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
state->ext_comp_sync = state->ext_vert_sync = 0;
for (i = 0; i < TOT_REGS; i++)
upd64031a_write(client, i, state->regs[i]);
upd64031a_write(sd, i, state->regs[i]);
return 0;
}

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;
}

Expand Down

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