1/* 2 * TXx9 SoC AC Link Controller 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9#ifndef __TXX9ACLC_H 10#define __TXX9ACLC_H 11 12#include <linux/interrupt.h> 13#include <asm/txx9/dmac.h> 14 15#define ACCTLEN 0x00 /* control enable */ 16#define ACCTLDIS 0x04 /* control disable */ 17#define ACCTL_ENLINK 0x00000001 /* enable/disable AC-link */ 18#define ACCTL_AUDODMA 0x00000100 /* AUDODMA enable/disable */ 19#define ACCTL_AUDIDMA 0x00001000 /* AUDIDMA enable/disable */ 20#define ACCTL_AUDOEHLT 0x00010000 /* AUDO error halt 21 enable/disable */ 22#define ACCTL_AUDIEHLT 0x00100000 /* AUDI error halt 23 enable/disable */ 24#define ACREGACC 0x08 /* codec register access */ 25#define ACREGACC_DAT_SHIFT 0 /* data field */ 26#define ACREGACC_REG_SHIFT 16 /* address field */ 27#define ACREGACC_CODECID_SHIFT 24 /* CODEC ID field */ 28#define ACREGACC_READ 0x80000000 /* CODEC read */ 29#define ACREGACC_WRITE 0x00000000 /* CODEC write */ 30#define ACINTSTS 0x10 /* interrupt status */ 31#define ACINTMSTS 0x14 /* interrupt masked status */ 32#define ACINTEN 0x18 /* interrupt enable */ 33#define ACINTDIS 0x1c /* interrupt disable */ 34#define ACINT_CODECRDY(n) (0x00000001 << (n)) /* CODECn ready */ 35#define ACINT_REGACCRDY 0x00000010 /* ACREGACC ready */ 36#define ACINT_AUDOERR 0x00000100 /* AUDO underrun error */ 37#define ACINT_AUDIERR 0x00001000 /* AUDI overrun error */ 38#define ACDMASTS 0x80 /* DMA request status */ 39#define ACDMA_AUDO 0x00000001 /* AUDODMA pending */ 40#define ACDMA_AUDI 0x00000010 /* AUDIDMA pending */ 41#define ACAUDODAT 0xa0 /* audio out data */ 42#define ACAUDIDAT 0xb0 /* audio in data */ 43#define ACREVID 0xfc /* revision ID */ 44 45struct txx9aclc_dmadata { 46 struct resource *dma_res; 47 struct txx9dmac_slave dma_slave; 48 struct dma_chan *dma_chan; 49 struct tasklet_struct tasklet; 50 spinlock_t dma_lock; 51 int stream; /* SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE */ 52 struct snd_pcm_substream *substream; 53 unsigned long pos; 54 dma_addr_t dma_addr; 55 unsigned long buffer_bytes; 56 unsigned long period_bytes; 57 unsigned long frag_bytes; 58 int frags; 59 int frag_count; 60 int dmacount; 61}; 62 63struct txx9aclc_plat_drvdata { 64 void __iomem *base; 65 u64 physbase; 66}; 67 68struct txx9aclc_soc_device { 69 struct snd_soc_device soc_dev; 70 struct platform_device *aclc_pdev; /* for ioresources, drvdata */ 71 struct txx9aclc_dmadata dmadata[2]; 72}; 73 74static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata( 75 struct txx9aclc_soc_device *sdev) 76{ 77 return platform_get_drvdata(sdev->aclc_pdev); 78} 79 80extern struct snd_soc_platform txx9aclc_soc_platform; 81extern struct snd_soc_dai txx9aclc_ac97_dai; 82 83#endif /* __TXX9ACLC_H */ 84