| Atsushi Nemoto | e24805d | 2009-05-19 22:12:15 +0900 | [diff] [blame] | 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 | |
| 45 | struct 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 | |
| 63 | struct txx9aclc_plat_drvdata { |
| 64 | void __iomem *base; |
| 65 | u64 physbase; |
| 66 | }; |
| 67 | |
| 68 | struct 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 | |
| 74 | static 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 | |
| 80 | extern struct snd_soc_platform txx9aclc_soc_platform; |
| 81 | extern struct snd_soc_dai txx9aclc_ac97_dai; |
| 82 | |
| 83 | #endif /* __TXX9ACLC_H */ |