516219ad5e8fd310b3e17ea0b46c77876ca8631d
[linux-2.6.git] / sound / pci / cs5535audio / cs5535audio.h
1 #ifndef __SOUND_CS5535AUDIO_H
2 #define __SOUND_CS5535AUDIO_H
3
4 #define cs_writel(cs5535au, reg, val)   outl(val, (cs5535au)->port + reg)
5 #define cs_writeb(cs5535au, reg, val)   outb(val, (cs5535au)->port + reg)
6 #define cs_readl(cs5535au, reg)         inl((cs5535au)->port + reg)
7 #define cs_readw(cs5535au, reg)         inw((cs5535au)->port + reg)
8 #define cs_readb(cs5535au, reg)         inb((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                       0x01
66 #define BM_CTL_PAUSE                    0x03
67 #define BM_CTL_DIS                      0x00
68 #define BM_CTL_BYTE_ORD_LE              0x00
69 #define BM_CTL_BYTE_ORD_BE              0x04
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 ACC_CODEC_CNTL_LNK_SHUTDOWN     0x00040000
78 #define ACC_CODEC_CNTL_LNK_WRM_RST      0x00020000
79 #define PRD_JMP                         0x2000
80 #define PRD_EOP                         0x4000
81 #define PRD_EOT                         0x8000
82
83 enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
84
85 struct cs5535audio;
86
87 struct cs5535audio_dma_ops {
88         int type;
89         void (*enable_dma)(struct cs5535audio *cs5535au);
90         void (*disable_dma)(struct cs5535audio *cs5535au);
91         void (*pause_dma)(struct cs5535audio *cs5535au);
92         void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr);
93         u32 (*read_prd)(struct cs5535audio *cs5535au);
94         u32 (*read_dma_pntr)(struct cs5535audio *cs5535au);
95 };
96
97 struct cs5535audio_dma_desc {
98         u32 addr;
99         u16 size;
100         u16 ctlreserved;
101 };
102
103 struct cs5535audio_dma {
104         const struct cs5535audio_dma_ops *ops;
105         struct snd_dma_buffer desc_buf;
106         struct snd_pcm_substream *substream;
107         unsigned int buf_addr, buf_bytes;
108         unsigned int period_bytes, periods;
109         u32 saved_prd;
110 };
111
112 struct cs5535audio {
113         struct snd_card *card;
114         struct snd_ac97 *ac97;
115         struct snd_pcm *pcm;
116         int irq;
117         struct pci_dev *pci;
118         unsigned long port;
119         spinlock_t reg_lock;
120         struct snd_pcm_substream *playback_substream;
121         struct snd_pcm_substream *capture_substream;
122         struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
123 };
124
125 int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
126 int snd_cs5535audio_resume(struct pci_dev *pci);
127 int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
128
129 #endif /* __SOUND_CS5535AUDIO_H */
130