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Jaya Kumar9b4ffa42005-11-17 10:12:23 +01001#ifndef __SOUND_CS5535AUDIO_H
2#define __SOUND_CS5535AUDIO_H
3
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))
9
10#define CS5535AUDIO_MAX_DESCRIPTORS 128
11
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 */
50/* ACC_IRQ_STATUS */
51#define IRQ_STS 0
52#define WU_IRQ_STS 1
53#define BM0_IRQ_STS 2
54#define BM1_IRQ_STS 3
55#define BM2_IRQ_STS 4
56#define BM3_IRQ_STS 5
57#define BM4_IRQ_STS 6
58#define BM5_IRQ_STS 7
59#define BM6_IRQ_STS 8
60#define BM7_IRQ_STS 9
61/* ACC_BMX_STATUS */
62#define EOP (1<<0)
63#define BM_EOP_ERR (1<<1)
64/* ACC_BMX_CTL */
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
80
81typedef struct _snd_cs5535audio cs5535audio_t;
82typedef struct snd_cs5535audio_dma cs5535audio_dma_t;
83typedef struct snd_cs5535audio_dma_ops cs5535audio_dma_ops_t;
84
85enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
86struct snd_cs5535audio_dma_ops {
87 int type;
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);
93};
94
95typedef struct cs5535audio_dma_desc {
96 u32 addr;
97 u16 size;
98 u16 ctlreserved;
99} cs5535audio_dma_desc_t;
100
101struct 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;
107};
108
109struct _snd_cs5535audio {
110 snd_card_t *card;
111 ac97_t *ac97;
112 int irq;
113 struct pci_dev *pci;
114 unsigned long port;
115 spinlock_t reg_lock;
116 snd_pcm_substream_t *playback_substream;
117 snd_pcm_substream_t *capture_substream;
118 cs5535audio_dma_t dmas[NUM_CS5535AUDIO_DMAS];
119};
120
121int __devinit snd_cs5535audio_pcm(cs5535audio_t *cs5535audio);
122#endif /* __SOUND_CS5535AUDIO_H */
123