| /* |
| * Au12x0/Au1550 PSC ALSA ASoC audio support. |
| * |
| * (c) 2007-2008 MSC Vertriebsges.m.b.H., |
| * Manuel Lauss <manuel.lauss@gmail.com> |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef _AU1X_PCM_H |
| #define _AU1X_PCM_H |
| |
| /* DBDMA helpers */ |
| extern struct platform_device *au1xpsc_pcm_add(struct platform_device *pdev); |
| extern void au1xpsc_pcm_destroy(struct platform_device *dmapd); |
| |
| struct au1xpsc_audio_data { |
| void __iomem *mmio; |
| |
| unsigned long cfg; |
| unsigned long rate; |
| |
| struct snd_soc_dai_driver dai_drv; |
| |
| unsigned long pm[2]; |
| struct mutex lock; |
| struct platform_device *dmapd; |
| }; |
| |
| #define PCM_TX 0 |
| #define PCM_RX 1 |
| |
| #define SUBSTREAM_TYPE(substream) \ |
| ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) |
| |
| /* easy access macros */ |
| #define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET) |
| #define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET) |
| #define I2S_STAT(x) ((unsigned long)((x)->mmio) + PSC_I2SSTAT_OFFSET) |
| #define I2S_CFG(x) ((unsigned long)((x)->mmio) + PSC_I2SCFG_OFFSET) |
| #define I2S_PCR(x) ((unsigned long)((x)->mmio) + PSC_I2SPCR_OFFSET) |
| #define AC97_CFG(x) ((unsigned long)((x)->mmio) + PSC_AC97CFG_OFFSET) |
| #define AC97_CDC(x) ((unsigned long)((x)->mmio) + PSC_AC97CDC_OFFSET) |
| #define AC97_EVNT(x) ((unsigned long)((x)->mmio) + PSC_AC97EVNT_OFFSET) |
| #define AC97_PCR(x) ((unsigned long)((x)->mmio) + PSC_AC97PCR_OFFSET) |
| #define AC97_RST(x) ((unsigned long)((x)->mmio) + PSC_AC97RST_OFFSET) |
| #define AC97_STAT(x) ((unsigned long)((x)->mmio) + PSC_AC97STAT_OFFSET) |
| |
| #endif |