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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2010-03-01 10:10:43 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-09 15:21:16 +0000
commit3a9d620278981f367a77a8888c0d59a70473b056 (patch)
tree91f51b54774ccf4599fdbb889d3b32f91703974c /sound/soc/codecs/da7210.c
parent692247196dd845eef02f26bf2959719b82e935c6 (diff)
ASoC: da7210: Add 8/12/16/24/32/48/96 kHz rate support
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>
Diffstat (limited to 'sound/soc/codecs/da7210.c')
-rw-r--r--sound/soc/codecs/da7210.c67
1 files changed, 48 insertions, 19 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index cf2975a7294a..3bd867de597b 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -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;
}