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https://github.com/torvalds/linux
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V4L/DVB: cx25840: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
72c851b00f
commit
e34e658b5a
3 changed files with 94 additions and 246 deletions
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@ -474,33 +474,10 @@ void cx25840_audio_set_path(struct i2c_client *client)
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cx25840_and_or(client, 0x803, ~0x10, 0x10);
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}
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static int get_volume(struct i2c_client *client)
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{
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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int vol;
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if (state->unmute_volume >= 0)
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return state->unmute_volume;
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/* Volume runs +18dB to -96dB in 1/2dB steps
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* change to fit the msp3400 -114dB to +12dB range */
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/* check PATH1_VOLUME */
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vol = 228 - cx25840_read(client, 0x8d4);
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vol = (vol / 2) + 23;
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return vol << 9;
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}
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static void set_volume(struct i2c_client *client, int volume)
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{
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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int vol;
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if (state->unmute_volume >= 0) {
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state->unmute_volume = volume;
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return;
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}
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/* Convert the volume to msp3400 values (0-127) */
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vol = volume >> 9;
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@ -517,52 +494,6 @@ static void set_volume(struct i2c_client *client, int volume)
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cx25840_write(client, 0x8d4, 228 - (vol * 2));
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}
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static int get_bass(struct i2c_client *client)
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{
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/* bass is 49 steps +12dB to -12dB */
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/* check PATH1_EQ_BASS_VOL */
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int bass = cx25840_read(client, 0x8d9) & 0x3f;
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bass = (((48 - bass) * 0xffff) + 47) / 48;
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return bass;
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}
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static void set_bass(struct i2c_client *client, int bass)
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{
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/* PATH1_EQ_BASS_VOL */
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cx25840_and_or(client, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff));
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}
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static int get_treble(struct i2c_client *client)
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{
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/* treble is 49 steps +12dB to -12dB */
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/* check PATH1_EQ_TREBLE_VOL */
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int treble = cx25840_read(client, 0x8db) & 0x3f;
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treble = (((48 - treble) * 0xffff) + 47) / 48;
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return treble;
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}
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static void set_treble(struct i2c_client *client, int treble)
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{
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/* PATH1_EQ_TREBLE_VOL */
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cx25840_and_or(client, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff));
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}
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static int get_balance(struct i2c_client *client)
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{
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/* balance is 7 bit, 0 to -96dB */
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/* check PATH1_BAL_LEVEL */
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int balance = cx25840_read(client, 0x8d5) & 0x7f;
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/* check PATH1_BAL_LEFT */
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if ((cx25840_read(client, 0x8d5) & 0x80) == 0)
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balance = 0x80 - balance;
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else
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balance = 0x80 + balance;
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return balance << 8;
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}
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static void set_balance(struct i2c_client *client, int balance)
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{
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int bal = balance >> 8;
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@ -579,31 +510,6 @@ static void set_balance(struct i2c_client *client, int balance)
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}
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}
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static int get_mute(struct i2c_client *client)
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{
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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return state->unmute_volume >= 0;
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}
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static void set_mute(struct i2c_client *client, int mute)
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{
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struct cx25840_state *state = to_state(i2c_get_clientdata(client));
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if (mute && state->unmute_volume == -1) {
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int vol = get_volume(client);
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set_volume(client, 0);
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state->unmute_volume = vol;
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}
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else if (!mute && state->unmute_volume != -1) {
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int vol = state->unmute_volume;
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state->unmute_volume = -1;
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set_volume(client, vol);
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}
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}
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int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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@ -624,25 +530,31 @@ int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
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return retval;
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}
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int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct v4l2_subdev *sd = to_sd(ctrl);
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struct cx25840_state *state = to_state(sd);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_VOLUME:
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ctrl->value = get_volume(client);
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if (state->mute->val)
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set_volume(client, 0);
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else
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set_volume(client, state->volume->val);
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break;
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case V4L2_CID_AUDIO_BASS:
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ctrl->value = get_bass(client);
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/* PATH1_EQ_BASS_VOL */
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cx25840_and_or(client, 0x8d9, ~0x3f,
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48 - (ctrl->val * 48 / 0xffff));
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break;
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case V4L2_CID_AUDIO_TREBLE:
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ctrl->value = get_treble(client);
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/* PATH1_EQ_TREBLE_VOL */
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cx25840_and_or(client, 0x8db, ~0x3f,
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48 - (ctrl->val * 48 / 0xffff));
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break;
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case V4L2_CID_AUDIO_BALANCE:
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ctrl->value = get_balance(client);
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break;
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case V4L2_CID_AUDIO_MUTE:
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ctrl->value = get_mute(client);
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set_balance(client, ctrl->val);
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break;
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default:
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return -EINVAL;
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@ -650,28 +562,6 @@ int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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return 0;
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}
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int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_VOLUME:
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set_volume(client, ctrl->value);
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break;
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case V4L2_CID_AUDIO_BASS:
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set_bass(client, ctrl->value);
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break;
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case V4L2_CID_AUDIO_TREBLE:
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set_treble(client, ctrl->value);
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break;
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case V4L2_CID_AUDIO_BALANCE:
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set_balance(client, ctrl->value);
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break;
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case V4L2_CID_AUDIO_MUTE:
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set_mute(client, ctrl->value);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops = {
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.s_ctrl = cx25840_audio_s_ctrl,
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};
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@ -1121,94 +1121,29 @@ static int set_v4lstd(struct i2c_client *client)
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/* ----------------------------------------------------------------------- */
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static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct cx25840_state *state = to_state(sd);
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struct v4l2_subdev *sd = to_sd(ctrl);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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if (ctrl->value < 0 || ctrl->value > 255) {
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v4l_err(client, "invalid brightness setting %d\n",
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ctrl->value);
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return -ERANGE;
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}
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cx25840_write(client, 0x414, ctrl->value - 128);
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cx25840_write(client, 0x414, ctrl->val - 128);
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break;
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case V4L2_CID_CONTRAST:
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if (ctrl->value < 0 || ctrl->value > 127) {
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v4l_err(client, "invalid contrast setting %d\n",
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ctrl->value);
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return -ERANGE;
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}
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cx25840_write(client, 0x415, ctrl->value << 1);
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cx25840_write(client, 0x415, ctrl->val << 1);
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break;
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case V4L2_CID_SATURATION:
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if (ctrl->value < 0 || ctrl->value > 127) {
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v4l_err(client, "invalid saturation setting %d\n",
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ctrl->value);
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return -ERANGE;
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}
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cx25840_write(client, 0x420, ctrl->value << 1);
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cx25840_write(client, 0x421, ctrl->value << 1);
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cx25840_write(client, 0x420, ctrl->val << 1);
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cx25840_write(client, 0x421, ctrl->val << 1);
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break;
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case V4L2_CID_HUE:
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if (ctrl->value < -128 || ctrl->value > 127) {
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v4l_err(client, "invalid hue setting %d\n", ctrl->value);
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return -ERANGE;
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}
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cx25840_write(client, 0x422, ctrl->value);
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cx25840_write(client, 0x422, ctrl->val);
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break;
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case V4L2_CID_AUDIO_VOLUME:
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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case V4L2_CID_AUDIO_BALANCE:
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case V4L2_CID_AUDIO_MUTE:
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if (is_cx2583x(state))
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return -EINVAL;
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return cx25840_audio_s_ctrl(sd, ctrl);
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct cx25840_state *state = to_state(sd);
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
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break;
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case V4L2_CID_CONTRAST:
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ctrl->value = cx25840_read(client, 0x415) >> 1;
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break;
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case V4L2_CID_SATURATION:
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ctrl->value = cx25840_read(client, 0x420) >> 1;
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break;
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case V4L2_CID_HUE:
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ctrl->value = (s8)cx25840_read(client, 0x422);
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break;
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case V4L2_CID_AUDIO_VOLUME:
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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case V4L2_CID_AUDIO_BALANCE:
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case V4L2_CID_AUDIO_MUTE:
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if (is_cx2583x(state))
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return -EINVAL;
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return cx25840_audio_g_ctrl(sd, ctrl);
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default:
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return -EINVAL;
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}
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@ -1367,8 +1302,6 @@ static void log_audio_status(struct i2c_client *client)
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default: p = "not defined";
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}
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v4l_info(client, "Detected audio standard: %s\n", p);
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v4l_info(client, "Audio muted: %s\n",
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(state->unmute_volume >= 0) ? "yes" : "no");
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v4l_info(client, "Audio microcontroller: %s\n",
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(download_ctl & 0x10) ?
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((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
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@ -1585,40 +1518,6 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
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return 0;
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}
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static int cx25840_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
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{
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struct cx25840_state *state = to_state(sd);
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switch (qc->id) {
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case V4L2_CID_BRIGHTNESS:
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return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
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case V4L2_CID_CONTRAST:
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case V4L2_CID_SATURATION:
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return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
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case V4L2_CID_HUE:
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return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
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default:
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break;
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}
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if (is_cx2583x(state))
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return -EINVAL;
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switch (qc->id) {
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case V4L2_CID_AUDIO_VOLUME:
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return v4l2_ctrl_query_fill(qc, 0, 65535,
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65535 / 100, state->default_volume);
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case V4L2_CID_AUDIO_MUTE:
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return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
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case V4L2_CID_AUDIO_BALANCE:
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
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default:
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return -EINVAL;
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}
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return -EINVAL;
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}
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static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
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{
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struct cx25840_state *state = to_state(sd);
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@ -1781,6 +1680,7 @@ static int cx25840_log_status(struct v4l2_subdev *sd)
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if (!is_cx2583x(state))
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log_audio_status(client);
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cx25840_ir_log_status(sd);
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v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
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return 0;
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}
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@ -1883,13 +1783,21 @@ static int cx25840_irq_handler(struct v4l2_subdev *sd, u32 status,
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/* ----------------------------------------------------------------------- */
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static const struct v4l2_ctrl_ops cx25840_ctrl_ops = {
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.s_ctrl = cx25840_s_ctrl,
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};
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static const struct v4l2_subdev_core_ops cx25840_core_ops = {
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.log_status = cx25840_log_status,
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.s_config = cx25840_s_config,
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.g_chip_ident = cx25840_g_chip_ident,
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.g_ctrl = cx25840_g_ctrl,
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.s_ctrl = cx25840_s_ctrl,
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.queryctrl = cx25840_queryctrl,
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.g_ctrl = v4l2_subdev_g_ctrl,
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.s_ctrl = v4l2_subdev_s_ctrl,
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.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
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.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
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.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
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.queryctrl = v4l2_subdev_queryctrl,
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.querymenu = v4l2_subdev_querymenu,
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.s_std = cx25840_s_std,
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.reset = cx25840_reset,
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.load_fw = cx25840_load_fw,
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@ -1981,6 +1889,7 @@ static int cx25840_probe(struct i2c_client *client,
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{
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struct cx25840_state *state;
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struct v4l2_subdev *sd;
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int default_volume;
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u32 id = V4L2_IDENT_NONE;
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u16 device_id;
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@ -2024,6 +1933,7 @@ static int cx25840_probe(struct i2c_client *client,
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sd = &state->sd;
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v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
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switch (id) {
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case V4L2_IDENT_CX23885_AV:
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v4l_info(client, "cx23885 A/V decoder found @ 0x%x (%s)\n",
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@ -2068,12 +1978,48 @@ static int cx25840_probe(struct i2c_client *client,
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state->audclk_freq = 48000;
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state->pvr150_workaround = 0;
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state->audmode = V4L2_TUNER_MODE_LANG1;
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state->unmute_volume = -1;
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state->default_volume = 228 - cx25840_read(client, 0x8d4);
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state->default_volume = ((state->default_volume / 2) + 23) << 9;
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state->vbi_line_offset = 8;
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state->id = id;
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state->rev = device_id;
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v4l2_ctrl_handler_init(&state->hdl, 9);
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v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
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V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
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v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
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V4L2_CID_CONTRAST, 0, 127, 1, 64);
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v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
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V4L2_CID_SATURATION, 0, 127, 1, 64);
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v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
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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;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -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 */
|
||||
|
|
|
|||
Loading…
Reference in a new issue