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e24805dd AN |
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 | ||
e24805dd | 68 | static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata( |
f0fba2ad | 69 | struct snd_soc_dai *dai) |
e24805dd | 70 | { |
f0fba2ad | 71 | return dev_get_drvdata(dai->dev); |
e24805dd AN |
72 | } |
73 | ||
e24805dd | 74 | #endif /* __TXX9ACLC_H */ |