diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/fsl/mpc5200_dma.h')
-rw-r--r-- | ANDROID_3.4.5/sound/soc/fsl/mpc5200_dma.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/ANDROID_3.4.5/sound/soc/fsl/mpc5200_dma.h b/ANDROID_3.4.5/sound/soc/fsl/mpc5200_dma.h deleted file mode 100644 index a3c0cd53..00000000 --- a/ANDROID_3.4.5/sound/soc/fsl/mpc5200_dma.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Freescale MPC5200 Audio DMA driver - */ - -#ifndef __SOUND_SOC_FSL_MPC5200_DMA_H__ -#define __SOUND_SOC_FSL_MPC5200_DMA_H__ - -#define PSC_STREAM_NAME_LEN 32 - -/** - * psc_ac97_stream - Data specific to a single stream (playback or capture) - * @active: flag indicating if the stream is active - * @psc_dma: pointer back to parent psc_dma data structure - * @bcom_task: bestcomm task structure - * @irq: irq number for bestcomm task - * @period_end: physical address of end of DMA region - * @period_next_pt: physical address of next DMA buffer to enqueue - * @period_bytes: size of DMA period in bytes - * @ac97_slot_bits: Enable bits for turning on the correct AC97 slot - */ -struct psc_dma_stream { - struct snd_pcm_runtime *runtime; - int active; - struct psc_dma *psc_dma; - struct bcom_task *bcom_task; - int irq; - struct snd_pcm_substream *stream; - int period_next; - int period_current; - int period_bytes; - int period_count; - - /* AC97 state */ - u32 ac97_slot_bits; -}; - -/** - * psc_dma - Private driver data - * @name: short name for this device ("PSC0", "PSC1", etc) - * @psc_regs: pointer to the PSC's registers - * @fifo_regs: pointer to the PSC's FIFO registers - * @irq: IRQ of this PSC - * @dev: struct device pointer - * @dai: the CPU DAI for this device - * @sicr: Base value used in serial interface control register; mode is ORed - * with this value. - * @playback: Playback stream context data - * @capture: Capture stream context data - */ -struct psc_dma { - char name[32]; - struct mpc52xx_psc __iomem *psc_regs; - struct mpc52xx_psc_fifo __iomem *fifo_regs; - unsigned int irq; - struct device *dev; - spinlock_t lock; - struct mutex mutex; - u32 sicr; - uint sysclk; - int imr; - int id; - unsigned int slots; - - /* per-stream data */ - struct psc_dma_stream playback; - struct psc_dma_stream capture; - - /* Statistics */ - struct { - unsigned long overrun_count; - unsigned long underrun_count; - } stats; -}; - -/* Utility for retrieving psc_dma_stream structure from a substream */ -static inline struct psc_dma_stream * -to_psc_dma_stream(struct snd_pcm_substream *substream, struct psc_dma *psc_dma) -{ - if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) - return &psc_dma->capture; - return &psc_dma->playback; -} - -#endif /* __SOUND_SOC_FSL_MPC5200_DMA_H__ */ |