openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: rt5645: Add ASRC support 

This patch add ASRC support for rt5645 codec.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2014-10-31 15:37:55 +08:00 committed by Mark Brown
parent bb656add19
commit 9e2683530d
1 changed files with 144 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

144
sound/soc/codecs/rt5645.c
View File

@ -441,6 +441,65 @@ static SOC_ENUM_SINGLE_DECL(rt5645_tdm_adc_sel_enum,
RT5645_TDM_CTRL_1, 8,
rt5645_tdm_adc_data_select);
static int rt5645_clk_sel_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
unsigned int u_bit = 0, p_bit = 0;
struct soc_enum *em =
(struct soc_enum *)kcontrol->private_value;
switch (em->reg) {
case RT5645_ASRC_2:
switch (em->shift_l) {
case 0:
u_bit = 0x8;
p_bit = RT5645_PWR_ADC_S1F;
break;
case 4:
u_bit = 0x100;
p_bit = RT5645_PWR_DAC_MF_R;
break;
case 8:
u_bit = 0x200;
p_bit = RT5645_PWR_DAC_MF_L;
break;
case 12:
u_bit = 0x400;
p_bit = RT5645_PWR_DAC_S1F;
break;
}
break;
case RT5645_ASRC_3:
switch (em->shift_l) {
case 0:
u_bit = 0x1;
p_bit = RT5645_PWR_ADC_MF_R;
break;
case 4:
u_bit = 0x2;
p_bit = RT5645_PWR_ADC_MF_L;
break;
}
break;
}
if (u_bit || p_bit) {
switch (ucontrol->value.integer.value[0]) {
case 1 ... 4: /*enable*/
if (snd_soc_read(codec, RT5645_PWR_DIG2) & p_bit)
snd_soc_update_bits(codec,
RT5645_ASRC_1, u_bit, u_bit);
break;
default: /*disable*/
snd_soc_update_bits(codec, RT5645_ASRC_1, u_bit, 0);
break;
}
}
return snd_soc_put_enum_double(kcontrol, ucontrol);
}
static const struct snd_kcontrol_new rt5645_snd_controls[] = {
/* Speaker Output Volume */
SOC_DOUBLE("Speaker Channel Switch", RT5645_SPK_VOL,
@ -552,6 +611,53 @@ static int is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
return 0;
}
static int is_using_asrc(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
unsigned int reg, shift, val;
switch (source->shift) {
case 0:
reg = RT5645_ASRC_3;
shift = 0;
break;
case 1:
reg = RT5645_ASRC_3;
shift = 4;
break;
case 3:
reg = RT5645_ASRC_2;
shift = 0;
break;
case 8:
reg = RT5645_ASRC_2;
shift = 4;
break;
case 9:
reg = RT5645_ASRC_2;
shift = 8;
break;
case 10:
reg = RT5645_ASRC_2;
shift = 12;
break;
default:
return 0;
}
val = (snd_soc_read(source->codec, reg) >> shift) & 0xf;
switch (val) {
case 1:
case 2:
case 3:
case 4:
return 1;
default:
return 0;
}
}
/* Digital Mixer */
static const struct snd_kcontrol_new rt5645_sto1_adc_l_mix[] = {
SOC_DAPM_SINGLE("ADC1 Switch", RT5645_STO1_ADC_MIXER,
@ -1244,6 +1350,30 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("Mic Det Power", RT5645_PWR_VOL,
RT5645_PWR_MIC_DET_BIT, 0, NULL, 0),
/* ASRC */
SND_SOC_DAPM_SUPPLY_S("I2S1 ASRC", 1, RT5645_ASRC_1,
11, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S2 ASRC", 1, RT5645_ASRC_1,
12, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DAC STO ASRC", 1, RT5645_ASRC_1,
10, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DAC MONO L ASRC", 1, RT5645_ASRC_1,
9, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DAC MONO R ASRC", 1, RT5645_ASRC_1,
8, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DMIC STO1 ASRC", 1, RT5645_ASRC_1,
7, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DMIC MONO L ASRC", 1, RT5645_ASRC_1,
5, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DMIC MONO R ASRC", 1, RT5645_ASRC_1,
4, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("ADC STO1 ASRC", 1, RT5645_ASRC_1,
3, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("ADC MONO L ASRC", 1, RT5645_ASRC_1,
1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("ADC MONO R ASRC", 1, RT5645_ASRC_1,
0, 0, NULL, 0),
/* Input Side */
/* micbias */
SND_SOC_DAPM_MICBIAS("micbias1", RT5645_PWR_ANLG2,
@ -1502,6 +1632,17 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
};
static const struct snd_soc_dapm_route rt5645_dapm_routes[] = {
{ "adc stereo1 filter", NULL, "ADC STO1 ASRC", is_using_asrc },
{ "adc stereo2 filter", NULL, "ADC STO2 ASRC", is_using_asrc },
{ "adc mono left filter", NULL, "ADC MONO L ASRC", is_using_asrc },
{ "adc mono right filter", NULL, "ADC MONO R ASRC", is_using_asrc },
{ "dac mono left filter", NULL, "DAC MONO L ASRC", is_using_asrc },
{ "dac mono right filter", NULL, "DAC MONO R ASRC", is_using_asrc },
{ "dac stereo1 filter", NULL, "DAC STO ASRC", is_using_asrc },
{ "I2S1", NULL, "I2S1 ASRC" },
{ "I2S2", NULL, "I2S2 ASRC" },
{ "IN1P", NULL, "LDO2" },
{ "IN2P", NULL, "LDO2" },
@ -1548,12 +1689,15 @@ static const struct snd_soc_dapm_route rt5645_dapm_routes[] = {
{ "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
{ "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
{ "Stereo1 DMIC Mux", NULL, "DMIC STO1 ASRC" },
{ "Mono DMIC L Mux", "DMIC1", "DMIC L1" },
{ "Mono DMIC L Mux", "DMIC2", "DMIC L2" },
{ "Mono DMIC L Mux", NULL, "DMIC MONO L ASRC" },
{ "Mono DMIC R Mux", "DMIC1", "DMIC R1" },
{ "Mono DMIC R Mux", "DMIC2", "DMIC R2" },
{ "Mono DMIC R Mux", NULL, "DMIC MONO R ASRC" },
{ "Stereo1 ADC L2 Mux", "DMIC", "Stereo1 DMIC Mux" },
{ "Stereo1 ADC L2 Mux", "DAC MIX", "DAC MIXL" },