projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| e24805dd AN |
2 | /* |
| 3 | * TXx9 SoC AC Link Controller | |
| e24805dd AN |
4 | */ |
| 5 | ||
| 6 | #ifndef __TXX9ACLC_H | |
| 7 | #define __TXX9ACLC_H | |
| 8 | ||
| 9 | #include <linux/interrupt.h> | |
| 10 | #include <asm/txx9/dmac.h> | |
| 11 | ||
| 12 | #define ACCTLEN 0x00 /* control enable */ | |
| 13 | #define ACCTLDIS 0x04 /* control disable */ | |
| 14 | #define ACCTL_ENLINK 0x00000001 /* enable/disable AC-link */ | |
| 15 | #define ACCTL_AUDODMA 0x00000100 /* AUDODMA enable/disable */ | |
| 16 | #define ACCTL_AUDIDMA 0x00001000 /* AUDIDMA enable/disable */ | |
| 17 | #define ACCTL_AUDOEHLT 0x00010000 /* AUDO error halt | |
| 18 | enable/disable */ | |
| 19 | #define ACCTL_AUDIEHLT 0x00100000 /* AUDI error halt | |
| 20 | enable/disable */ | |
| 21 | #define ACREGACC 0x08 /* codec register access */ | |
| 22 | #define ACREGACC_DAT_SHIFT 0 /* data field */ | |
| 23 | #define ACREGACC_REG_SHIFT 16 /* address field */ | |
| 24 | #define ACREGACC_CODECID_SHIFT 24 /* CODEC ID field */ | |
| 25 | #define ACREGACC_READ 0x80000000 /* CODEC read */ | |
| 26 | #define ACREGACC_WRITE 0x00000000 /* CODEC write */ | |
| 27 | #define ACINTSTS 0x10 /* interrupt status */ | |
| 28 | #define ACINTMSTS 0x14 /* interrupt masked status */ | |
| 29 | #define ACINTEN 0x18 /* interrupt enable */ | |
| 30 | #define ACINTDIS 0x1c /* interrupt disable */ | |
| 31 | #define ACINT_CODECRDY(n) (0x00000001 << (n)) /* CODECn ready */ | |
| 32 | #define ACINT_REGACCRDY 0x00000010 /* ACREGACC ready */ | |
| 33 | #define ACINT_AUDOERR 0x00000100 /* AUDO underrun error */ | |
| 34 | #define ACINT_AUDIERR 0x00001000 /* AUDI overrun error */ | |
| 35 | #define ACDMASTS 0x80 /* DMA request status */ | |
| 36 | #define ACDMA_AUDO 0x00000001 /* AUDODMA pending */ | |
| 37 | #define ACDMA_AUDI 0x00000010 /* AUDIDMA pending */ | |
| 38 | #define ACAUDODAT 0xa0 /* audio out data */ | |
| 39 | #define ACAUDIDAT 0xb0 /* audio in data */ | |
| 40 | #define ACREVID 0xfc /* revision ID */ | |
| 41 | ||
| 42 | struct txx9aclc_dmadata { | |
| 43 | struct resource *dma_res; | |
| 44 | struct txx9dmac_slave dma_slave; | |
| 45 | struct dma_chan *dma_chan; | |
| dd8c0c0b | 46 | struct work_struct work; |
| e24805dd AN |
47 | spinlock_t dma_lock; |
| 48 | int stream; /* SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE */ | |
| 49 | struct snd_pcm_substream *substream; | |
| 50 | unsigned long pos; | |
| 51 | dma_addr_t dma_addr; | |
| 52 | unsigned long buffer_bytes; | |
| 53 | unsigned long period_bytes; | |
| 54 | unsigned long frag_bytes; | |
| 55 | int frags; | |
| 56 | int frag_count; | |
| 57 | int dmacount; | |
| 58 | }; | |
| 59 | ||
| 60 | struct txx9aclc_plat_drvdata { | |
| 61 | void __iomem *base; | |
| 62 | u64 physbase; | |
| 63 | }; | |
| 64 | ||
| e24805dd | 65 | static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata( |
| f0fba2ad | 66 | struct snd_soc_dai *dai) |
| e24805dd | 67 | { |
| f0fba2ad | 68 | return dev_get_drvdata(dai->dev); |
| e24805dd AN |
69 | } |
| 70 | ||
| e24805dd | 71 | #endif /* __TXX9ACLC_H */ |