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[media] tvaudio: convert to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
71df09bc67
commit
c9114031d8
@ -39,6 +39,7 @@
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#include <media/tvaudio.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/v4l2-ctrls.h>
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#include <media/i2c-addr.h>
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@ -91,13 +92,13 @@ struct CHIPDESC {
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audiocmd init;
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/* which register has which value */
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int leftreg,rightreg,treblereg,bassreg;
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int leftreg, rightreg, treblereg, bassreg;
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/* initialize with (defaults to 65535/32768/32768 */
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int volinit, trebleinit, bassinit;
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/* functions to convert the values (v4l -> chip) */
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getvalue volfunc,treblefunc,bassfunc;
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getvalue volfunc, treblefunc, bassfunc;
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/* get/set mode */
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getrxsubchans getrxsubchans;
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@ -113,6 +114,12 @@ struct CHIPDESC {
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/* current state of the chip */
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struct CHIPSTATE {
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struct v4l2_subdev sd;
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struct v4l2_ctrl_handler hdl;
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struct {
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/* volume/balance cluster */
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struct v4l2_ctrl *volume;
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struct v4l2_ctrl *balance;
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};
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/* chip-specific description - should point to
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an entry at CHIPDESC table */
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@ -122,7 +129,7 @@ struct CHIPSTATE {
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audiocmd shadow;
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/* current settings */
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u16 volume, balance, treble, bass, muted;
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u16 muted;
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int prevmode;
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int radio;
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int input;
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@ -138,6 +145,11 @@ static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd)
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return container_of(sd, struct CHIPSTATE, sd);
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}
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
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{
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return &container_of(ctrl->handler, struct CHIPSTATE, hdl)->sd;
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}
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/* ---------------------------------------------------------------------- */
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/* i2c I/O functions */
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@ -1679,91 +1691,27 @@ static struct CHIPDESC chiplist[] = {
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/* ---------------------------------------------------------------------- */
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static int tvaudio_g_ctrl(struct v4l2_subdev *sd,
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struct v4l2_control *ctrl)
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static int tvaudio_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 CHIPSTATE *chip = to_state(sd);
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struct CHIPDESC *desc = chip->desc;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (!(desc->flags & CHIP_HAS_INPUTSEL))
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break;
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ctrl->value=chip->muted;
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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if (!(desc->flags & CHIP_HAS_VOLUME))
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break;
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ctrl->value = chip->volume;
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return 0;
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case V4L2_CID_AUDIO_BALANCE:
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if (!(desc->flags & CHIP_HAS_VOLUME))
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break;
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ctrl->value = chip->balance;
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return 0;
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case V4L2_CID_AUDIO_BASS:
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if (!(desc->flags & CHIP_HAS_BASSTREBLE))
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break;
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ctrl->value = chip->bass;
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return 0;
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case V4L2_CID_AUDIO_TREBLE:
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if (!(desc->flags & CHIP_HAS_BASSTREBLE))
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break;
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ctrl->value = chip->treble;
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return 0;
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}
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return -EINVAL;
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}
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static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
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struct v4l2_control *ctrl)
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{
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struct CHIPSTATE *chip = to_state(sd);
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struct CHIPDESC *desc = chip->desc;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (!(desc->flags & CHIP_HAS_INPUTSEL))
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break;
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if (ctrl->value < 0 || ctrl->value >= 2)
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return -ERANGE;
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chip->muted = ctrl->value;
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chip->muted = ctrl->val;
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if (chip->muted)
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chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
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else
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chip_write_masked(chip,desc->inputreg,
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desc->inputmap[chip->input],desc->inputmask);
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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{
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case V4L2_CID_AUDIO_VOLUME: {
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u32 volume, balance;
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u32 left, right;
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if (!(desc->flags & CHIP_HAS_VOLUME))
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break;
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volume = ctrl->value;
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chip->volume = volume;
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balance = chip->balance;
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left = (min(65536U - balance, 32768U) * volume) / 32768U;
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right = (min(balance, 32768U) * volume) / 32768U;
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chip_write(chip, desc->leftreg, desc->volfunc(left));
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chip_write(chip, desc->rightreg, desc->volfunc(right));
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return 0;
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}
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case V4L2_CID_AUDIO_BALANCE:
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{
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u32 volume, balance;
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u32 left, right;
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if (!(desc->flags & CHIP_HAS_VOLUME))
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break;
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balance = ctrl->value;
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chip->balance = balance;
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volume = chip->volume;
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volume = chip->volume->val;
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balance = chip->balance->val;
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left = (min(65536U - balance, 32768U) * volume) / 32768U;
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right = (min(balance, 32768U) * volume) / 32768U;
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@ -1772,18 +1720,10 @@ static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
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return 0;
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}
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case V4L2_CID_AUDIO_BASS:
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if (!(desc->flags & CHIP_HAS_BASSTREBLE))
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break;
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chip->bass = ctrl->value;
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chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
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chip_write(chip, desc->bassreg, desc->bassfunc(ctrl->val));
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return 0;
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case V4L2_CID_AUDIO_TREBLE:
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if (!(desc->flags & CHIP_HAS_BASSTREBLE))
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break;
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chip->treble = ctrl->value;
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chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
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chip_write(chip, desc->treblereg, desc->treblefunc(ctrl->val));
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return 0;
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}
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return -EINVAL;
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@ -1802,35 +1742,6 @@ static int tvaudio_s_radio(struct v4l2_subdev *sd)
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return 0;
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}
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static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
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{
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struct CHIPSTATE *chip = to_state(sd);
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struct CHIPDESC *desc = chip->desc;
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switch (qc->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (desc->flags & CHIP_HAS_INPUTSEL)
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return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
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break;
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case V4L2_CID_AUDIO_VOLUME:
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if (desc->flags & CHIP_HAS_VOLUME)
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880);
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break;
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case V4L2_CID_AUDIO_BALANCE:
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if (desc->flags & CHIP_HAS_VOLUME)
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
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break;
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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if (desc->flags & CHIP_HAS_BASSTREBLE)
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
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break;
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default:
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break;
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}
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return -EINVAL;
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}
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static int tvaudio_s_routing(struct v4l2_subdev *sd,
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u32 input, u32 output, u32 config)
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{
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@ -1934,13 +1845,32 @@ static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ide
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return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
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}
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static int tvaudio_log_status(struct v4l2_subdev *sd)
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{
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struct CHIPSTATE *chip = to_state(sd);
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struct CHIPDESC *desc = chip->desc;
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v4l2_info(sd, "Chip: %s\n", desc->name);
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v4l2_ctrl_handler_log_status(&chip->hdl, sd->name);
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return 0;
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}
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/* ----------------------------------------------------------------------- */
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static const struct v4l2_subdev_core_ops tvaudio_core_ops = {
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.g_chip_ident = tvaudio_g_chip_ident,
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.queryctrl = tvaudio_queryctrl,
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.g_ctrl = tvaudio_g_ctrl,
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static const struct v4l2_ctrl_ops tvaudio_ctrl_ops = {
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.s_ctrl = tvaudio_s_ctrl,
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};
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static const struct v4l2_subdev_core_ops tvaudio_core_ops = {
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.log_status = tvaudio_log_status,
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.g_chip_ident = tvaudio_g_chip_ident,
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.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
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.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
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.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
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.g_ctrl = v4l2_subdev_g_ctrl,
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.s_ctrl = v4l2_subdev_s_ctrl,
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.queryctrl = v4l2_subdev_queryctrl,
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.querymenu = v4l2_subdev_querymenu,
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.s_std = tvaudio_s_std,
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};
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@ -2025,6 +1955,10 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *
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else
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chip_cmd(chip, "init", &desc->init);
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v4l2_ctrl_handler_init(&chip->hdl, 5);
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if (desc->flags & CHIP_HAS_INPUTSEL)
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v4l2_ctrl_new_std(&chip->hdl, &tvaudio_ctrl_ops,
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V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
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if (desc->flags & CHIP_HAS_VOLUME) {
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if (!desc->volfunc) {
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/* This shouldn't be happen. Warn user, but keep working
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@ -2033,12 +1967,14 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *
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v4l2_info(sd, "volume callback undefined!\n");
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desc->flags &= ~CHIP_HAS_VOLUME;
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} else {
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chip->volume = desc->volinit ? desc->volinit : 65535;
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chip->balance = 32768;
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chip_write(chip, desc->leftreg,
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desc->volfunc(chip->volume));
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chip_write(chip, desc->rightreg,
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desc->volfunc(chip->volume));
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chip->volume = v4l2_ctrl_new_std(&chip->hdl,
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&tvaudio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
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0, 65535, 65535 / 100,
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desc->volinit ? desc->volinit : 65535);
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chip->balance = v4l2_ctrl_new_std(&chip->hdl,
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&tvaudio_ctrl_ops, V4L2_CID_AUDIO_BALANCE,
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0, 65535, 65535 / 100, 32768);
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v4l2_ctrl_cluster(2, &chip->volume);
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}
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}
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if (desc->flags & CHIP_HAS_BASSTREBLE) {
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@ -2049,17 +1985,28 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *
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v4l2_info(sd, "bass/treble callbacks undefined!\n");
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desc->flags &= ~CHIP_HAS_BASSTREBLE;
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} else {
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chip->treble = desc->trebleinit ?
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desc->trebleinit : 32768;
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chip->bass = desc->bassinit ?
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desc->bassinit : 32768;
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chip_write(chip, desc->bassreg,
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desc->bassfunc(chip->bass));
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chip_write(chip, desc->treblereg,
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desc->treblefunc(chip->treble));
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v4l2_ctrl_new_std(&chip->hdl,
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&tvaudio_ctrl_ops, V4L2_CID_AUDIO_BASS,
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0, 65535, 65535 / 100,
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desc->bassinit ? desc->bassinit : 32768);
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v4l2_ctrl_new_std(&chip->hdl,
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&tvaudio_ctrl_ops, V4L2_CID_AUDIO_TREBLE,
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0, 65535, 65535 / 100,
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desc->trebleinit ? desc->trebleinit : 32768);
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}
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}
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sd->ctrl_handler = &chip->hdl;
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if (chip->hdl.error) {
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int err = chip->hdl.error;
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v4l2_ctrl_handler_free(&chip->hdl);
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kfree(chip);
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return err;
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}
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/* set controls to the default values */
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v4l2_ctrl_handler_setup(&chip->hdl);
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chip->thread = NULL;
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init_timer(&chip->wt);
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if (desc->flags & CHIP_NEED_CHECKMODE) {
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@ -2095,6 +2042,7 @@ static int tvaudio_remove(struct i2c_client *client)
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}
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v4l2_device_unregister_subdev(sd);
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v4l2_ctrl_handler_free(&chip->hdl);
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kfree(chip);
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return 0;
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}
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