1 #ifndef __SOUND_CS5535AUDIO_H
2 #define __SOUND_CS5535AUDIO_H
4 #define cs_writel(cs5535au, reg, val) outl(val, (int) cs5535au->port + reg)
5 #define cs_writeb(cs5535au, reg, val) outb(val, (int) cs5535au->port + reg)
6 #define cs_readl(cs5535au, reg) inl((unsigned short) (cs5535au->port + reg))
7 #define cs_readw(cs5535au, reg) inw((unsigned short) (cs5535au->port + reg))
8 #define cs_readb(cs5535au, reg) inb((unsigned short) (cs5535au->port + reg))
10 #define CS5535AUDIO_MAX_DESCRIPTORS 128
12 /* acc_codec bar0 reg addrs */
13 #define ACC_GPIO_STATUS 0x00
14 #define ACC_CODEC_STATUS 0x08
15 #define ACC_CODEC_CNTL 0x0C
16 #define ACC_IRQ_STATUS 0x12
17 #define ACC_BM0_CMD 0x20
18 #define ACC_BM1_CMD 0x28
19 #define ACC_BM2_CMD 0x30
20 #define ACC_BM3_CMD 0x38
21 #define ACC_BM4_CMD 0x40
22 #define ACC_BM5_CMD 0x48
23 #define ACC_BM6_CMD 0x50
24 #define ACC_BM7_CMD 0x58
25 #define ACC_BM0_PRD 0x24
26 #define ACC_BM1_PRD 0x2C
27 #define ACC_BM2_PRD 0x34
28 #define ACC_BM3_PRD 0x3C
29 #define ACC_BM4_PRD 0x44
30 #define ACC_BM5_PRD 0x4C
31 #define ACC_BM6_PRD 0x54
32 #define ACC_BM7_PRD 0x5C
33 #define ACC_BM0_STATUS 0x21
34 #define ACC_BM1_STATUS 0x29
35 #define ACC_BM2_STATUS 0x31
36 #define ACC_BM3_STATUS 0x39
37 #define ACC_BM4_STATUS 0x41
38 #define ACC_BM5_STATUS 0x49
39 #define ACC_BM6_STATUS 0x51
40 #define ACC_BM7_STATUS 0x59
41 #define ACC_BM0_PNTR 0x60
42 #define ACC_BM1_PNTR 0x64
43 #define ACC_BM2_PNTR 0x68
44 #define ACC_BM3_PNTR 0x6C
45 #define ACC_BM4_PNTR 0x70
46 #define ACC_BM5_PNTR 0x74
47 #define ACC_BM6_PNTR 0x78
48 #define ACC_BM7_PNTR 0x7C
49 /* acc_codec bar0 reg bits */
63 #define BM_EOP_ERR (1<<1)
65 #define BM_CTL_EN 0x00000001
66 #define BM_CTL_PAUSE 0x00000011
67 #define BM_CTL_DIS 0x00000000
68 #define BM_CTL_BYTE_ORD_LE 0x00000000
69 #define BM_CTL_BYTE_ORD_BE 0x00000100
70 /* cs5535 specific ac97 codec register defines */
71 #define CMD_MASK 0xFF00FFFF
72 #define CMD_NEW 0x00010000
73 #define STS_NEW 0x00020000
74 #define PRM_RDY_STS 0x00800000
75 #define ACC_CODEC_CNTL_WR_CMD (~0x80000000)
76 #define ACC_CODEC_CNTL_RD_CMD 0x80000000
77 #define PRD_JMP 0x2000
78 #define PRD_EOP 0x4000
79 #define PRD_EOT 0x8000
81 typedef struct _snd_cs5535audio cs5535audio_t
;
82 typedef struct snd_cs5535audio_dma cs5535audio_dma_t
;
83 typedef struct snd_cs5535audio_dma_ops cs5535audio_dma_ops_t
;
85 enum { CS5535AUDIO_DMA_PLAYBACK
, CS5535AUDIO_DMA_CAPTURE
, NUM_CS5535AUDIO_DMAS
};
86 struct snd_cs5535audio_dma_ops
{
88 void (*enable_dma
)(cs5535audio_t
*cs5535au
);
89 void (*disable_dma
)(cs5535audio_t
*cs5535au
);
90 void (*pause_dma
)(cs5535audio_t
*cs5535au
);
91 void (*setup_prd
)(cs5535audio_t
*cs5535au
, u32 prd_addr
);
92 u32 (*read_dma_pntr
)(cs5535audio_t
*cs5535au
);
95 typedef struct cs5535audio_dma_desc
{
99 } cs5535audio_dma_desc_t
;
101 struct snd_cs5535audio_dma
{
102 const cs5535audio_dma_ops_t
*ops
;
103 struct snd_dma_buffer desc_buf
;
104 snd_pcm_substream_t
*substream
;
105 unsigned int buf_addr
, buf_bytes
;
106 unsigned int period_bytes
, periods
;
109 struct _snd_cs5535audio
{
116 snd_pcm_substream_t
*playback_substream
;
117 snd_pcm_substream_t
*capture_substream
;
118 cs5535audio_dma_t dmas
[NUM_CS5535AUDIO_DMAS
];
121 int __devinit
snd_cs5535audio_pcm(cs5535audio_t
*cs5535audio
);
122 #endif /* __SOUND_CS5535AUDIO_H */