xref: /linux/sound/pci/cs5535audio/cs5535audio.h (revision 5e8d780d745c1619aba81fe7166c5a4b5cad2b84)
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			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 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 	int suspended;
110 	u32 saved_prd;
111 };
112 
113 struct cs5535audio {
114 	struct snd_card *card;
115 	struct snd_ac97 *ac97;
116 	struct snd_pcm *pcm;
117 	int irq;
118 	struct pci_dev *pci;
119 	unsigned long port;
120 	spinlock_t reg_lock;
121 	struct snd_pcm_substream *playback_substream;
122 	struct snd_pcm_substream *capture_substream;
123 	struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
124 };
125 
126 int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
127 int snd_cs5535audio_resume(struct pci_dev *pci);
128 int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
129 
130 #endif /* __SOUND_CS5535AUDIO_H */
131 
132