#define SND_SOC_DAIFMT_DSP_A 3 /* L data MSB after FRM LRC */
#define SND_SOC_DAIFMT_DSP_B 4 /* L data MSB during FRM LRC */
#define SND_SOC_DAIFMT_AC97 5 /* AC97 */
+#define SND_SOC_DAIFMT_PDM 6 /* Pulse density modulation */
/* left and right justified also known as MSB and LSB respectively */
#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
#define SND_SOC_CLOCK_IN 0
#define SND_SOC_CLOCK_OUT 1
-#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S16_LE |\
+#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
+ SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S16_BE |\
+ SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S20_3BE |\
+ SNDRV_PCM_FMTBIT_S24_3LE |\
+ SNDRV_PCM_FMTBIT_S24_3BE |\
SNDRV_PCM_FMTBIT_S32_LE |\
SNDRV_PCM_FMTBIT_S32_BE)
-struct snd_soc_dai_ops;
+struct snd_soc_dai_driver;
struct snd_soc_dai;
struct snd_ac97_bus_ops;
/* Digital Audio Interface registration */
-int snd_soc_register_dai(struct snd_soc_dai *dai);
-void snd_soc_unregister_dai(struct snd_soc_dai *dai);
-int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count);
-void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count);
+int snd_soc_register_dai(struct device *dev,
+ struct snd_soc_dai_driver *dai_drv);
+void snd_soc_unregister_dai(struct device *dev);
+int snd_soc_register_dais(struct device *dev,
+ struct snd_soc_dai_driver *dai_drv, size_t count);
+void snd_soc_unregister_dais(struct device *dev, size_t count);
/* Digital Audio Interface clocking API.*/
int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
int div_id, int div);
int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out);
+ int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
/* Digital Audio interface formatting */
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);
+int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
+ unsigned int tx_num, unsigned int *tx_slot,
+ unsigned int rx_num, unsigned int *rx_slot);
+
int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
/* Digital Audio Interface mute */
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute);
-/*
- * Digital Audio Interface.
- *
- * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
- * operations and capabilities. Codec and platform drivers will register this
- * structure for every DAI they have.
- *
- * This structure covers the clocking, formating and ALSA operations for each
- * interface.
- */
struct snd_soc_dai_ops {
/*
* DAI clocking configuration, all optional.
*/
int (*set_sysclk)(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir);
- int (*set_pll)(struct snd_soc_dai *dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out);
+ int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out);
int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
/*
int (*set_tdm_slot)(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask,
int slots, int slot_width);
+ int (*set_channel_map)(struct snd_soc_dai *dai,
+ unsigned int tx_num, unsigned int *tx_slot,
+ unsigned int rx_num, unsigned int *rx_slot);
int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
/*
struct snd_soc_dai *);
int (*trigger)(struct snd_pcm_substream *, int,
struct snd_soc_dai *);
+ /*
+ * For hardware based FIFO caused delay reporting.
+ * Optional.
+ */
+ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+ struct snd_soc_dai *);
};
/*
- * Digital Audio Interface runtime data.
+ * Digital Audio Interface Driver.
*
- * Holds runtime data for a DAI.
+ * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
+ * operations and capabilities. Codec and platform drivers will register this
+ * structure for every DAI they have.
+ *
+ * This structure covers the clocking, formating and ALSA operations for each
+ * interface.
*/
-struct snd_soc_dai {
+struct snd_soc_dai_driver {
/* DAI description */
- char *name;
+ const char *name;
unsigned int id;
int ac97_control;
- struct device *dev;
- void *ac97_pdata; /* platform_data for the ac97 codec */
-
- /* DAI callbacks */
- int (*probe)(struct platform_device *pdev,
- struct snd_soc_dai *dai);
- void (*remove)(struct platform_device *pdev,
- struct snd_soc_dai *dai);
+ /* DAI driver callbacks */
+ int (*probe)(struct snd_soc_dai *dai);
+ int (*remove)(struct snd_soc_dai *dai);
int (*suspend)(struct snd_soc_dai *dai);
int (*resume)(struct snd_soc_dai *dai);
/* ops */
- struct snd_soc_dai_ops *ops;
+ const struct snd_soc_dai_ops *ops;
/* DAI capabilities */
struct snd_soc_pcm_stream capture;
struct snd_soc_pcm_stream playback;
unsigned int symmetric_rates:1;
+};
+
+/*
+ * Digital Audio Interface runtime data.
+ *
+ * Holds runtime data for a DAI.
+ */
+struct snd_soc_dai {
+ const char *name;
+ int id;
+ struct device *dev;
+ void *ac97_pdata; /* platform_data for the ac97 codec */
+
+ /* driver ops */
+ struct snd_soc_dai_driver *driver;
/* DAI runtime info */
+ unsigned int capture_active:1; /* stream is in use */
+ unsigned int playback_active:1; /* stream is in use */
+ unsigned int symmetric_rates:1;
struct snd_pcm_runtime *runtime;
- struct snd_soc_codec *codec;
unsigned int active;
unsigned char pop_wait:1;
- void *dma_data;
+ unsigned char probed:1;
- /* DAI private data */
- void *private_data;
+ /* DAI DMA data */
+ void *playback_dma_data;
+ void *capture_dma_data;
- /* parent platform */
- struct snd_soc_platform *platform;
+ /* parent platform/codec */
+ union {
+ struct snd_soc_platform *platform;
+ struct snd_soc_codec *codec;
+ };
+ struct snd_soc_card *card;
struct list_head list;
+ struct list_head card_list;
};
+static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
+ const struct snd_pcm_substream *ss)
+{
+ return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ dai->playback_dma_data : dai->capture_dma_data;
+}
+
+static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
+ const struct snd_pcm_substream *ss,
+ void *data)
+{
+ if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dai->playback_dma_data = data;
+ else
+ dai->capture_dma_data = data;
+}
+
+static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
+ void *data)
+{
+ dev_set_drvdata(dai->dev, data);
+}
+
+static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
+{
+ return dev_get_drvdata(dai->dev);
+}
+
#endif
Code Review / linux-2.6.git / blobdiff