| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 1 | /* |
| Manuel Lauss | b3c70c9 | 2011-07-25 13:44:45 +0200 | [diff] [blame^] | 2 | * Alchemy ALSA ASoC audio support. |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 3 | * |
| Manuel Lauss | b3c70c9 | 2011-07-25 13:44:45 +0200 | [diff] [blame^] | 4 | * (c) 2007-2011 MSC Vertriebsges.m.b.H., |
| Manuel Lauss | 0f83d63 | 2009-10-31 20:15:08 +0100 | [diff] [blame] | 5 | * Manuel Lauss <manuel.lauss@gmail.com> |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 11 | */ |
| 12 | |
| 13 | #ifndef _AU1X_PCM_H |
| 14 | #define _AU1X_PCM_H |
| 15 | |
| Manuel Lauss | b3c70c9 | 2011-07-25 13:44:45 +0200 | [diff] [blame^] | 16 | #define PCM_TX 0 |
| 17 | #define PCM_RX 1 |
| 18 | |
| 19 | #define SUBSTREAM_TYPE(substream) \ |
| 20 | ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) |
| 21 | |
| 22 | /* PSC/DBDMA helpers */ |
| Manuel Lauss | 0f83d63 | 2009-10-31 20:15:08 +0100 | [diff] [blame] | 23 | extern struct platform_device *au1xpsc_pcm_add(struct platform_device *pdev); |
| 24 | extern void au1xpsc_pcm_destroy(struct platform_device *dmapd); |
| 25 | |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 26 | struct au1xpsc_audio_data { |
| 27 | void __iomem *mmio; |
| 28 | |
| 29 | unsigned long cfg; |
| 30 | unsigned long rate; |
| 31 | |
| Manuel Lauss | ffc4fdb | 2010-08-26 14:53:51 +0200 | [diff] [blame] | 32 | struct snd_soc_dai_driver dai_drv; |
| 33 | |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 34 | unsigned long pm[2]; |
| Manuel Lauss | cdc65fb | 2009-09-08 19:45:17 +0200 | [diff] [blame] | 35 | struct mutex lock; |
| Manuel Lauss | b3c70c9 | 2011-07-25 13:44:45 +0200 | [diff] [blame^] | 36 | int dmaids[2]; |
| Manuel Lauss | 0f83d63 | 2009-10-31 20:15:08 +0100 | [diff] [blame] | 37 | struct platform_device *dmapd; |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 38 | }; |
| 39 | |
| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 40 | /* easy access macros */ |
| 41 | #define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET) |
| 42 | #define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET) |
| 43 | #define I2S_STAT(x) ((unsigned long)((x)->mmio) + PSC_I2SSTAT_OFFSET) |
| 44 | #define I2S_CFG(x) ((unsigned long)((x)->mmio) + PSC_I2SCFG_OFFSET) |
| 45 | #define I2S_PCR(x) ((unsigned long)((x)->mmio) + PSC_I2SPCR_OFFSET) |
| 46 | #define AC97_CFG(x) ((unsigned long)((x)->mmio) + PSC_AC97CFG_OFFSET) |
| 47 | #define AC97_CDC(x) ((unsigned long)((x)->mmio) + PSC_AC97CDC_OFFSET) |
| 48 | #define AC97_EVNT(x) ((unsigned long)((x)->mmio) + PSC_AC97EVNT_OFFSET) |
| 49 | #define AC97_PCR(x) ((unsigned long)((x)->mmio) + PSC_AC97PCR_OFFSET) |
| 50 | #define AC97_RST(x) ((unsigned long)((x)->mmio) + PSC_AC97RST_OFFSET) |
| 51 | #define AC97_STAT(x) ((unsigned long)((x)->mmio) + PSC_AC97STAT_OFFSET) |
| 52 | |
| 53 | #endif |