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