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V4L/DVB: cx25840: convert to the new control framework

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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 2010-08-06 10:55:39 -03:00 committed by Mauro Carvalho Chehab
parent 72c851b00f
commit e34e658b5a
3 changed files with 94 additions and 246 deletions
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144
drivers/media/video/cx25840/cx25840-audio.c
View File

@ -474,33 +474,10 @@ void cx25840_audio_set_path(struct i2c_client *client)
cx25840_and_or(client, 0x803, ~0x10, 0x10);
}
static int get_volume(struct i2c_client *client)
{
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
int vol;
if (state->unmute_volume >= 0)
return state->unmute_volume;
/* Volume runs +18dB to -96dB in 1/2dB steps
* change to fit the msp3400 -114dB to +12dB range */
/* check PATH1_VOLUME */
vol = 228 - cx25840_read(client, 0x8d4);
vol = (vol / 2) + 23;
return vol << 9;
}
static void set_volume(struct i2c_client *client, int volume)
{
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
int vol;
if (state->unmute_volume >= 0) {
state->unmute_volume = volume;
return;
}
/* Convert the volume to msp3400 values (0-127) */
vol = volume >> 9;
@ -517,52 +494,6 @@ static void set_volume(struct i2c_client *client, int volume)
cx25840_write(client, 0x8d4, 228 - (vol * 2));
}
static int get_bass(struct i2c_client *client)
{
/* bass is 49 steps +12dB to -12dB */
/* check PATH1_EQ_BASS_VOL */
int bass = cx25840_read(client, 0x8d9) & 0x3f;
bass = (((48 - bass) * 0xffff) + 47) / 48;
return bass;
}
static void set_bass(struct i2c_client *client, int bass)
{
/* PATH1_EQ_BASS_VOL */
cx25840_and_or(client, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff));
}
static int get_treble(struct i2c_client *client)
{
/* treble is 49 steps +12dB to -12dB */
/* check PATH1_EQ_TREBLE_VOL */
int treble = cx25840_read(client, 0x8db) & 0x3f;
treble = (((48 - treble) * 0xffff) + 47) / 48;
return treble;
}
static void set_treble(struct i2c_client *client, int treble)
{
/* PATH1_EQ_TREBLE_VOL */
cx25840_and_or(client, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff));
}
static int get_balance(struct i2c_client *client)
{
/* balance is 7 bit, 0 to -96dB */
/* check PATH1_BAL_LEVEL */
int balance = cx25840_read(client, 0x8d5) & 0x7f;
/* check PATH1_BAL_LEFT */
if ((cx25840_read(client, 0x8d5) & 0x80) == 0)
balance = 0x80 - balance;
else
balance = 0x80 + balance;
return balance << 8;
}
static void set_balance(struct i2c_client *client, int balance)
{
int bal = balance >> 8;
@ -579,31 +510,6 @@ static void set_balance(struct i2c_client *client, int balance)
}
}
static int get_mute(struct i2c_client *client)
{
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
return state->unmute_volume >= 0;
}
static void set_mute(struct i2c_client *client, int mute)
{
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
if (mute && state->unmute_volume == -1) {
int vol = get_volume(client);
set_volume(client, 0);
state->unmute_volume = vol;
}
else if (!mute && state->unmute_volume != -1) {
int vol = state->unmute_volume;
state->unmute_volume = -1;
set_volume(client, vol);
}
}
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@ -624,25 +530,31 @@ int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
return retval;
}
int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
ctrl->value = get_volume(client);
if (state->mute->val)
set_volume(client, 0);
else
set_volume(client, state->volume->val);
break;
case V4L2_CID_AUDIO_BASS:
ctrl->value = get_bass(client);
/* PATH1_EQ_BASS_VOL */
cx25840_and_or(client, 0x8d9, ~0x3f,
48 - (ctrl->val * 48 / 0xffff));
break;
case V4L2_CID_AUDIO_TREBLE:
ctrl->value = get_treble(client);
/* PATH1_EQ_TREBLE_VOL */
cx25840_and_or(client, 0x8db, ~0x3f,
48 - (ctrl->val * 48 / 0xffff));
break;
case V4L2_CID_AUDIO_BALANCE:
ctrl->value = get_balance(client);
break;
case V4L2_CID_AUDIO_MUTE:
ctrl->value = get_mute(client);
set_balance(client, ctrl->val);
break;
default:
return -EINVAL;
@ -650,28 +562,6 @@ int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
return 0;
}
int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
set_volume(client, ctrl->value);
break;
case V4L2_CID_AUDIO_BASS:
set_bass(client, ctrl->value);
break;
case V4L2_CID_AUDIO_TREBLE:
set_treble(client, ctrl->value);
break;
case V4L2_CID_AUDIO_BALANCE:
set_balance(client, ctrl->value);
break;
case V4L2_CID_AUDIO_MUTE:
set_mute(client, ctrl->value);
break;
default:
return -EINVAL;
}
return 0;
}
const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops = {
.s_ctrl = cx25840_audio_s_ctrl,
};

178
drivers/media/video/cx25840/cx25840-core.c
View File

@ -1121,94 +1121,29 @@ static int set_v4lstd(struct i2c_client *client)
/* ----------------------------------------------------------------------- */
static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct cx25840_state *state = to_state(sd);
struct v4l2_subdev *sd = to_sd(ctrl);
struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
v4l_err(client, "invalid brightness setting %d\n",
ctrl->value);
return -ERANGE;
}
cx25840_write(client, 0x414, ctrl->value - 128);
cx25840_write(client, 0x414, ctrl->val - 128);
break;
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 127) {
v4l_err(client, "invalid contrast setting %d\n",
ctrl->value);
return -ERANGE;
}
cx25840_write(client, 0x415, ctrl->value << 1);
cx25840_write(client, 0x415, ctrl->val << 1);
break;
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 127) {
v4l_err(client, "invalid saturation setting %d\n",
ctrl->value);
return -ERANGE;
}
cx25840_write(client, 0x420, ctrl->value << 1);
cx25840_write(client, 0x421, ctrl->value << 1);
cx25840_write(client, 0x420, ctrl->val << 1);
cx25840_write(client, 0x421, ctrl->val << 1);
break;
case V4L2_CID_HUE:
if (ctrl->value < -128 || ctrl->value > 127) {
v4l_err(client, "invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
cx25840_write(client, 0x422, ctrl->value);
cx25840_write(client, 0x422, ctrl->val);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
if (is_cx2583x(state))
return -EINVAL;
return cx25840_audio_s_ctrl(sd, ctrl);
default:
return -EINVAL;
}
return 0;
}
static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
break;
case V4L2_CID_CONTRAST:
ctrl->value = cx25840_read(client, 0x415) >> 1;
break;
case V4L2_CID_SATURATION:
ctrl->value = cx25840_read(client, 0x420) >> 1;
break;
case V4L2_CID_HUE:
ctrl->value = (s8)cx25840_read(client, 0x422);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
if (is_cx2583x(state))
return -EINVAL;
return cx25840_audio_g_ctrl(sd, ctrl);
default:
return -EINVAL;
}
@ -1367,8 +1302,6 @@ static void log_audio_status(struct i2c_client *client)
default: p = "not defined";
}
v4l_info(client, "Detected audio standard: %s\n", p);
v4l_info(client, "Audio muted: %s\n",
(state->unmute_volume >= 0) ? "yes" : "no");
v4l_info(client, "Audio microcontroller: %s\n",
(download_ctl & 0x10) ?
((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
@ -1585,40 +1518,6 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
static int cx25840_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
struct cx25840_state *state = to_state(sd);
switch (qc->id) {
case V4L2_CID_BRIGHTNESS:
return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION:
return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
case V4L2_CID_HUE:
return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
default:
break;
}
if (is_cx2583x(state))
return -EINVAL;
switch (qc->id) {
case V4L2_CID_AUDIO_VOLUME:
return v4l2_ctrl_query_fill(qc, 0, 65535,
65535 / 100, state->default_volume);
case V4L2_CID_AUDIO_MUTE:
return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
default:
return -EINVAL;
}
return -EINVAL;
}
static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct cx25840_state *state = to_state(sd);
@ -1781,6 +1680,7 @@ static int cx25840_log_status(struct v4l2_subdev *sd)
if (!is_cx2583x(state))
log_audio_status(client);
cx25840_ir_log_status(sd);
v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
return 0;
}
@ -1883,13 +1783,21 @@ static int cx25840_irq_handler(struct v4l2_subdev *sd, u32 status,
/* ----------------------------------------------------------------------- */
static const struct v4l2_ctrl_ops cx25840_ctrl_ops = {
.s_ctrl = cx25840_s_ctrl,
};
static const struct v4l2_subdev_core_ops cx25840_core_ops = {
.log_status = cx25840_log_status,
.s_config = cx25840_s_config,
.g_chip_ident = cx25840_g_chip_ident,
.g_ctrl = cx25840_g_ctrl,
.s_ctrl = cx25840_s_ctrl,
.queryctrl = cx25840_queryctrl,
.g_ctrl = v4l2_subdev_g_ctrl,
.s_ctrl = v4l2_subdev_s_ctrl,
.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
.queryctrl = v4l2_subdev_queryctrl,
.querymenu = v4l2_subdev_querymenu,
.s_std = cx25840_s_std,
.reset = cx25840_reset,
.load_fw = cx25840_load_fw,
@ -1981,6 +1889,7 @@ static int cx25840_probe(struct i2c_client *client,
{
struct cx25840_state *state;
struct v4l2_subdev *sd;
int default_volume;
u32 id = V4L2_IDENT_NONE;
u16 device_id;
@ -2024,6 +1933,7 @@ static int cx25840_probe(struct i2c_client *client,
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
switch (id) {
case V4L2_IDENT_CX23885_AV:
v4l_info(client, "cx23885 A/V decoder found @ 0x%x (%s)\n",
@ -2068,12 +1978,48 @@ static int cx25840_probe(struct i2c_client *client,
state->audclk_freq = 48000;
state->pvr150_workaround = 0;
state->audmode = V4L2_TUNER_MODE_LANG1;
state->unmute_volume = -1;
state->default_volume = 228 - cx25840_read(client, 0x8d4);
state->default_volume = ((state->default_volume / 2) + 23) << 9;
state->vbi_line_offset = 8;
state->id = id;
state->rev = device_id;
v4l2_ctrl_handler_init(&state->hdl, 9);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
V4L2_CID_CONTRAST, 0, 127, 1, 64);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
V4L2_CID_SATURATION, 0, 127, 1, 64);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
V4L2_CID_HUE, -128, 127, 1, 0);
if (!is_cx2583x(state)) {
default_volume = 228 - cx25840_read(client, 0x8d4);
default_volume = ((default_volume / 2) + 23) << 9;
state->volume = v4l2_ctrl_new_std(&state->hdl,
&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
0, 65335, 65535 / 100, default_volume);
state->mute = v4l2_ctrl_new_std(&state->hdl,
&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE,
0, 1, 1, 0);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
V4L2_CID_AUDIO_BALANCE,
0, 65535, 65535 / 100, 32768);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
V4L2_CID_AUDIO_BASS,
0, 65535, 65535 / 100, 32768);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
V4L2_CID_AUDIO_TREBLE,
0, 65535, 65535 / 100, 32768);
}
sd->ctrl_handler = &state->hdl;
if (state->hdl.error) {
int err = state->hdl.error;
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return err;
}
v4l2_ctrl_cluster(2, &state->volume);
v4l2_ctrl_handler_setup(&state->hdl);
cx25840_ir_probe(sd);
return 0;
@ -2082,10 +2028,12 @@ static int cx25840_probe(struct i2c_client *client,
static int cx25840_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct cx25840_state *state = to_state(sd);
cx25840_ir_remove(sd);
v4l2_device_unregister_subdev(sd);
kfree(to_state(sd));
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return 0;
}

18
drivers/media/video/cx25840/cx25840-core.h
View File

@ -24,6 +24,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
#include <linux/i2c.h>
struct cx25840_ir_state;
@ -31,6 +32,12 @@ struct cx25840_ir_state;
struct cx25840_state {
struct i2c_client *c;
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
struct {
/* volume cluster */
struct v4l2_ctrl *volume;
struct v4l2_ctrl *mute;
};
int pvr150_workaround;
int radio;
v4l2_std_id std;
@ -38,8 +45,6 @@ struct cx25840_state {
enum cx25840_audio_input aud_input;
u32 audclk_freq;
int audmode;
int unmute_volume; /* -1 if not muted */
int default_volume;
int vbi_line_offset;
u32 id;
u32 rev;
@ -54,6 +59,11 @@ static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
return container_of(sd, struct cx25840_state, sd);
}
static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
{
return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
}
static inline bool is_cx2583x(struct cx25840_state *state)
{
return state->id == V4L2_IDENT_CX25836 ||
@ -106,8 +116,8 @@ int cx25840_loadfw(struct i2c_client *client);
/* cx25850-audio.c */
void cx25840_audio_set_path(struct i2c_client *client);
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
/* ----------------------------------------------------------------------- */
/* cx25850-vbi.c */