diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/soc-dai.h')
| -rw-r--r-- | ANDROID_3.4.5/include/sound/soc-dai.h | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/ANDROID_3.4.5/include/sound/soc-dai.h b/ANDROID_3.4.5/include/sound/soc-dai.h deleted file mode 100644 index c429f248..00000000 --- a/ANDROID_3.4.5/include/sound/soc-dai.h +++ /dev/null @@ -1,290 +0,0 @@ -/* - * linux/sound/soc-dai.h -- ALSA SoC Layer - * - * Copyright: 2005-2008 Wolfson Microelectronics. PLC. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Digital Audio Interface (DAI) API. - */ - -#ifndef __LINUX_SND_SOC_DAI_H -#define __LINUX_SND_SOC_DAI_H - - -#include <linux/list.h> - -struct snd_pcm_substream; -struct snd_soc_dapm_widget; - -/* - * DAI hardware audio formats. - * - * Describes the physical PCM data formating and clocking. Add new formats - * to the end. - */ -#define SND_SOC_DAIFMT_I2S 1 /* I2S mode */ -#define SND_SOC_DAIFMT_RIGHT_J 2 /* Right Justified mode */ -#define SND_SOC_DAIFMT_LEFT_J 3 /* Left Justified mode */ -#define SND_SOC_DAIFMT_DSP_A 4 /* L data MSB after FRM LRC */ -#define SND_SOC_DAIFMT_DSP_B 5 /* L data MSB during FRM LRC */ -#define SND_SOC_DAIFMT_AC97 6 /* AC97 */ -#define SND_SOC_DAIFMT_PDM 7 /* 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_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J - -/* - * DAI Clock gating. - * - * DAI bit clocks can be be gated (disabled) when the DAI is not - * sending or receiving PCM data in a frame. This can be used to save power. - */ -#define SND_SOC_DAIFMT_CONT (1 << 4) /* continuous clock */ -#define SND_SOC_DAIFMT_GATED (2 << 4) /* clock is gated */ - -/* - * DAI hardware signal inversions. - * - * Specifies whether the DAI can also support inverted clocks for the specified - * format. - */ -#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */ -#define SND_SOC_DAIFMT_NB_IF (2 << 8) /* normal BCLK + inv FRM */ -#define SND_SOC_DAIFMT_IB_NF (3 << 8) /* invert BCLK + nor FRM */ -#define SND_SOC_DAIFMT_IB_IF (4 << 8) /* invert BCLK + FRM */ - -/* - * DAI hardware clock masters. - * - * This is wrt the codec, the inverse is true for the interface - * i.e. if the codec is clk and FRM master then the interface is - * clk and frame slave. - */ -#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & FRM master */ -#define SND_SOC_DAIFMT_CBS_CFM (2 << 12) /* codec clk slave & FRM master */ -#define SND_SOC_DAIFMT_CBM_CFS (3 << 12) /* codec clk master & frame slave */ -#define SND_SOC_DAIFMT_CBS_CFS (4 << 12) /* codec clk & FRM slave */ - -#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f -#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0 -#define SND_SOC_DAIFMT_INV_MASK 0x0f00 -#define SND_SOC_DAIFMT_MASTER_MASK 0xf000 - -/* - * Master Clock Directions - */ -#define SND_SOC_CLOCK_IN 0 -#define SND_SOC_CLOCK_OUT 1 - -#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_driver; -struct snd_soc_dai; -struct snd_ac97_bus_ops; - -/* Digital Audio Interface registration */ -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, - unsigned int freq, int dir); - -int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, - int div_id, int div); - -int snd_soc_dai_set_pll(struct snd_soc_dai *dai, - 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); - -struct snd_soc_dai_ops { - /* - * DAI clocking configuration, all optional. - * Called by soc_card drivers, normally in their hw_params. - */ - 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, int source, - unsigned int freq_in, unsigned int freq_out); - int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div); - - /* - * DAI format configuration - * Called by soc_card drivers, normally in their hw_params. - */ - int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt); - 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); - - /* - * DAI digital mute - optional. - * Called by soc-core to minimise any pops. - */ - int (*digital_mute)(struct snd_soc_dai *dai, int mute); - - /* - * ALSA PCM audio operations - all optional. - * Called by soc-core during audio PCM operations. - */ - int (*startup)(struct snd_pcm_substream *, - struct snd_soc_dai *); - void (*shutdown)(struct snd_pcm_substream *, - struct snd_soc_dai *); - int (*hw_params)(struct snd_pcm_substream *, - struct snd_pcm_hw_params *, struct snd_soc_dai *); - int (*hw_free)(struct snd_pcm_substream *, - struct snd_soc_dai *); - int (*prepare)(struct snd_pcm_substream *, - 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 Driver. - * - * 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_driver { - /* DAI description */ - const char *name; - unsigned int id; - int ac97_control; - - /* 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 */ - 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; - - /* probe ordering - for components with runtime dependencies */ - int probe_order; - int remove_order; -}; - -/* - * 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; - unsigned int active; - unsigned char pop_wait:1; - unsigned char probed:1; - - struct snd_soc_dapm_widget *playback_widget; - struct snd_soc_dapm_widget *capture_widget; - - /* DAI DMA data */ - void *playback_dma_data; - void *capture_dma_data; - - /* Symmetry data - only valid if symmetry is being enforced */ - unsigned int rate; - - /* parent platform/codec */ - 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 |