59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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#ifndef _SOC_DAI_H
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#define _SOC_DAI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
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#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
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#define SND_SOC_DAIFMT_INV_MASK 0x0f00
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#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
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#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & FRM master */
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#define SND_SOC_DAIFMT_CBS_CFM (2 << 12) /* codec clk slave & FRM master */
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#define SND_SOC_DAIFMT_CBM_CFS (3 << 12) /* codec clk master & frame slave */
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#define SND_SOC_DAIFMT_CBS_CFS (4 << 12) /* codec clk & FRM slave */
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#define SND_SOC_DAIFMT_I2S 1 /* I2S mode */
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#define SND_SOC_DAIFMT_RIGHT_J 2 /* Right Justified mode */
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#define SND_SOC_DAIFMT_LEFT_J 3 /* Left Justified mode */
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#define SND_SOC_DAIFMT_DSP_A 4 /* L data MSB after FRM LRC */
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#define SND_SOC_DAIFMT_DSP_B 5 /* L data MSB during FRM LRC */
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#define SND_SOC_DAIFMT_AC97 6 /* AC97 */
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#define SND_SOC_DAIFMT_PDM 7 /* Pulse density modulation */
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#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */
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#define SND_SOC_DAIFMT_NB_IF (2 << 8) /* normal BCLK + inv FRM */
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#define SND_SOC_DAIFMT_IB_NF (3 << 8) /* invert BCLK + nor FRM */
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#define SND_SOC_DAIFMT_IB_IF (4 << 8) /* invert BCLK + FRM */
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enum snd_soc_bias_level {
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SND_SOC_BIAS_OFF = 0,
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SND_SOC_BIAS_STANDBY = 1,
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SND_SOC_BIAS_PREPARE = 2,
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SND_SOC_BIAS_ON = 3,
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};
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struct snd_soc_hw_params {
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int rates;
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int channels;
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int bits;
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};
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struct snd_soc_dai_ops {
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int (*init)(int master);
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int (*hw_params)(struct snd_soc_hw_params *params);
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int (*startup)(int start);
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int (*set_mclk)(int freq, int dir); //reserved.
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int (*set_fmt)(unsigned int fmt); //reserved.
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int (*set_mute)(int mute); //reserved.
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TOUCH_H */
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