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ASoC: rsnd: Add Volume Ramp support
This patch adds Volume Ramp to Renesas sound driver. amixer set "DVC Out" 100% amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps" amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps" amixer set "DVC Out Ramp" on aplay xxx.wav & amixer set "DVC Out" 80% // Volume Down amixer set "DVC Out" 100% // Volume Up Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
Mark Brown
parent
d3a7682332
commit
3539cacff2
@ -38,6 +38,9 @@ struct rsnd_dvc {
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struct clk *clk;
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struct rsnd_dvc_cfg_m volume;
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struct rsnd_dvc_cfg_m mute;
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struct rsnd_dvc_cfg_s ren; /* Ramp Enable */
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struct rsnd_dvc_cfg_s rup; /* Ramp Rate Up */
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struct rsnd_dvc_cfg_s rdown; /* Ramp Rate Down */
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};
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#define rsnd_mod_to_dvc(_mod) \
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@ -49,9 +52,37 @@ struct rsnd_dvc {
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((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \
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i++)
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static const char const *dvc_ramp_rate[] = {
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"128 dB/1 step", /* 00000 */
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"64 dB/1 step", /* 00001 */
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"32 dB/1 step", /* 00010 */
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"16 dB/1 step", /* 00011 */
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"8 dB/1 step", /* 00100 */
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"4 dB/1 step", /* 00101 */
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"2 dB/1 step", /* 00110 */
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"1 dB/1 step", /* 00111 */
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"0.5 dB/1 step", /* 01000 */
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"0.25 dB/1 step", /* 01001 */
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"0.125 dB/1 step", /* 01010 */
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"0.125 dB/2 steps", /* 01011 */
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"0.125 dB/4 steps", /* 01100 */
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"0.125 dB/8 steps", /* 01101 */
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"0.125 dB/16 steps", /* 01110 */
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"0.125 dB/32 steps", /* 01111 */
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"0.125 dB/64 steps", /* 10000 */
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"0.125 dB/128 steps", /* 10001 */
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"0.125 dB/256 steps", /* 10010 */
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"0.125 dB/512 steps", /* 10011 */
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"0.125 dB/1024 steps", /* 10100 */
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"0.125 dB/2048 steps", /* 10101 */
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"0.125 dB/4096 steps", /* 10110 */
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"0.125 dB/8192 steps", /* 10111 */
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};
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static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
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{
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struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
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u32 val[RSND_DVC_CHANNELS];
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u32 dvucr = 0;
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u32 mute = 0;
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int i;
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@ -62,10 +93,35 @@ static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
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/* Disable DVC Register access */
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rsnd_mod_write(mod, DVC_DVUER, 0);
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/* Enable Ramp */
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if (dvc->ren.val) {
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dvucr |= 0x10;
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/* Digital Volume Max */
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for (i = 0; i < RSND_DVC_CHANNELS; i++)
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val[i] = dvc->volume.cfg.max;
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rsnd_mod_write(mod, DVC_VRCTR, 0xff);
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rsnd_mod_write(mod, DVC_VRPDR, dvc->rup.val << 8 |
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dvc->rdown.val);
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/*
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* FIXME !!
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* use scale-downed Digital Volume
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* as Volume Ramp
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* 7F FFFF -> 3FF
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*/
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rsnd_mod_write(mod, DVC_VRDBR,
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0x3ff - (dvc->volume.val[0] >> 13));
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} else {
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for (i = 0; i < RSND_DVC_CHANNELS; i++)
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val[i] = dvc->volume.val[i];
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}
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/* Enable Digital Volume */
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dvucr = 0x100;
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rsnd_mod_write(mod, DVC_VOL0R, dvc->volume.val[0]);
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rsnd_mod_write(mod, DVC_VOL1R, dvc->volume.val[1]);
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dvucr |= 0x100;
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rsnd_mod_write(mod, DVC_VOL0R, val[0]);
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rsnd_mod_write(mod, DVC_VOL1R, val[1]);
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/* Enable Mute */
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if (mute) {
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@ -324,6 +380,31 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
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if (ret < 0)
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return ret;
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/* Ramp */
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ret = _rsnd_dvc_pcm_new_s(mod, rdai, rtd,
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rsnd_dai_is_play(rdai, io) ?
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"DVC Out Ramp Switch" : "DVC In Ramp Switch",
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&dvc->ren, 1);
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if (ret < 0)
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return ret;
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ret = _rsnd_dvc_pcm_new_e(mod, rdai, rtd,
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rsnd_dai_is_play(rdai, io) ?
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"DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
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&dvc->rup,
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dvc_ramp_rate, ARRAY_SIZE(dvc_ramp_rate));
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if (ret < 0)
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return ret;
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ret = _rsnd_dvc_pcm_new_e(mod, rdai, rtd,
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rsnd_dai_is_play(rdai, io) ?
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"DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
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&dvc->rdown,
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dvc_ramp_rate, ARRAY_SIZE(dvc_ramp_rate));
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if (ret < 0)
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return ret;
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return 0;
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}
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@ -324,6 +324,9 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
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RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
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RSND_GEN_M_REG(DVC_DVUCR, 0xe10, 0x100),
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RSND_GEN_M_REG(DVC_ZCMCR, 0xe14, 0x100),
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RSND_GEN_M_REG(DVC_VRCTR, 0xe18, 0x100),
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RSND_GEN_M_REG(DVC_VRPDR, 0xe1c, 0x100),
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RSND_GEN_M_REG(DVC_VRDBR, 0xe20, 0x100),
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RSND_GEN_M_REG(DVC_VOL0R, 0xe28, 0x100),
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RSND_GEN_M_REG(DVC_VOL1R, 0xe2c, 0x100),
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RSND_GEN_M_REG(DVC_DVUER, 0xe48, 0x100),
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@ -91,6 +91,9 @@ enum rsnd_reg {
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RSND_REG_SHARE20,
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RSND_REG_SHARE21,
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RSND_REG_SHARE22,
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RSND_REG_SHARE23,
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RSND_REG_SHARE24,
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RSND_REG_SHARE25,
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RSND_REG_MAX,
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};
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@ -129,6 +132,9 @@ enum rsnd_reg {
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#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
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#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
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#define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
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#define RSND_REG_DVC_VRCTR RSND_REG_SHARE23
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#define RSND_REG_DVC_VRPDR RSND_REG_SHARE24
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#define RSND_REG_DVC_VRDBR RSND_REG_SHARE25
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struct rsnd_of_data;
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struct rsnd_priv;
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