diff options
Diffstat (limited to 'sound/soc/txx9/txx9aclc.h')
-rw-r--r-- | sound/soc/txx9/txx9aclc.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sound/soc/txx9/txx9aclc.h b/sound/soc/txx9/txx9aclc.h new file mode 100644 index 000000000000..6769aab41b33 --- /dev/null +++ b/sound/soc/txx9/txx9aclc.h | |||
@@ -0,0 +1,83 @@ | |||
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 */ | ||