redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ASoC: da7210: Add 8/12/16/24/32/48/96 kHz rate support

Browse source 
Signed-off-by: Phil Edworthy <Phil.Edworthy@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2010-03-01 10:10:43 +09:00 committed by Mark Brown
parent 692247196d
commit 3a9d620278
1 changed files with 48 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

67
sound/soc/codecs/da7210.c
View file

@ -74,15 +74,14 @@
/* INMIX_R bit fields */
#define DA7210_IN_R_EN (1 << 7)
/* ADC_HPF bit fields */
#define DA7210_ADC_VOICE_EN (1 << 7)
/* ADC bit fields */
#define DA7210_ADC_L_EN (1 << 3)
#define DA7210_ADC_R_EN (1 << 7)
/* DAC_HPF fields */
#define DA7210_DAC_VOICE_EN (1 << 7)
/* DAC/ADC HPF fields */
#define DA7210_VOICE_F0_MASK (0x7 << 4)
#define DA7210_VOICE_F0_25 (1 << 4)
#define DA7210_VOICE_EN (1 << 7)
/* DAC_SEL bit fields */
#define DA7210_DAC_L_SRC_DAI_L (4 << 0)
@ -123,7 +122,15 @@
#define DA7210_PLL_BYP (1 << 6)
/* PLL bit fields */
#define DA7210_PLL_FS_48000 (11 << 0)
#define DA7210_PLL_FS_MASK (0xF << 0)
#define DA7210_PLL_FS_8000 (0x1 << 0)
#define DA7210_PLL_FS_12000 (0x3 << 0)
#define DA7210_PLL_FS_16000 (0x5 << 0)
#define DA7210_PLL_FS_24000 (0x7 << 0)
#define DA7210_PLL_FS_32000 (0x9 << 0)
#define DA7210_PLL_FS_48000 (0xB << 0)
#define DA7210_PLL_FS_96000 (0xF << 0)
#define DA7210_VERSION "0.0.1"
@ -241,7 +248,8 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
u32 dai_cfg1;
u32 reg, mask;
u32 hpf_reg, hpf_mask, hpf_value;
u32 fs;
/* set DAI source to Left and Right ADC */
da7210_write(codec, DA7210_DAI_SRC_SEL,
@ -265,25 +273,46 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
/* FIXME
*
* It support 48K only now
*/
hpf_reg = (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) ?
DA7210_DAC_HPF : DA7210_ADC_HPF;
switch (params_rate(params)) {
case 8000:
fs = DA7210_PLL_FS_8000;
hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
break;
case 12000:
fs = DA7210_PLL_FS_12000;
hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
break;
case 16000:
fs = DA7210_PLL_FS_16000;
hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
break;
case 32000:
fs = DA7210_PLL_FS_32000;
hpf_mask = DA7210_VOICE_EN;
hpf_value = 0;
break;
case 48000:
if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
reg = DA7210_DAC_HPF;
mask = DA7210_DAC_VOICE_EN;
} else {
reg = DA7210_ADC_HPF;
mask = DA7210_ADC_VOICE_EN;
}
fs = DA7210_PLL_FS_48000;
hpf_mask = DA7210_VOICE_EN;
hpf_value = 0;
break;
case 96000:
fs = DA7210_PLL_FS_96000;
hpf_mask = DA7210_VOICE_EN;
hpf_value = 0;
break;
default:
return -EINVAL;
}
snd_soc_update_bits(codec, reg, mask, 0);
snd_soc_update_bits(codec, hpf_reg, hpf_mask, hpf_value);
snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
return 0;
}