| Manuel Lauss | 4a161d2 | 2008-07-09 16:27:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Au12x0/Au1550 PSC ALSA ASoC audio support. |
| 3 | * |
| 4 | * (c) 2007-2008 MSC Vertriebsges.m.b.H., |
| 5 | * Manuel Lauss <mano@roarinelk.homelinux.net> |
| 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 | * |
| 11 | * NOTE: all of these drivers can only work with a SINGLE instance |
| 12 | * of a PSC. Multiple independent audio devices are impossible |
| 13 | * with ASoC v1. |
| 14 | */ |
| 15 | |
| 16 | #ifndef _AU1X_PCM_H |
| 17 | #define _AU1X_PCM_H |
| 18 | |
| 19 | extern struct snd_soc_dai au1xpsc_ac97_dai; |
| 20 | extern struct snd_soc_dai au1xpsc_i2s_dai; |
| 21 | extern struct snd_soc_platform au1xpsc_soc_platform; |
| 22 | extern struct snd_ac97_bus_ops soc_ac97_ops; |
| 23 | |
| 24 | struct au1xpsc_audio_data { |
| 25 | void __iomem *mmio; |
| 26 | |
| 27 | unsigned long cfg; |
| 28 | unsigned long rate; |
| 29 | |
| 30 | unsigned long pm[2]; |
| 31 | struct resource *ioarea; |
| 32 | }; |
| 33 | |
| 34 | #define PCM_TX 0 |
| 35 | #define PCM_RX 1 |
| 36 | |
| 37 | #define SUBSTREAM_TYPE(substream) \ |
| 38 | ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) |
| 39 | |
| 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 |