source: GPL/trunk/alsa-kernel/pci/cs5535audio/cs5535audio.h@ 598

Last change on this file since 598 was 598, checked in by David Azarewicz, 8 years ago

Merged/reintegrated v2 branch into trunk. Trunk is now v2
File size: 4.1 KB
Line 
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_BM0_PRD 0x24
20#define ACC_BM1_PRD 0x2C
21#define ACC_BM0_STATUS 0x21
22#define ACC_BM1_STATUS 0x29
23#define ACC_BM0_PNTR 0x60
24#define ACC_BM1_PNTR 0x64
25
26/* acc_codec bar0 reg bits */
27/* ACC_IRQ_STATUS */
28#define IRQ_STS 0
29#define WU_IRQ_STS 1
30#define BM0_IRQ_STS 2
31#define BM1_IRQ_STS 3
32/* ACC_BMX_STATUS */
33#define EOP (1<<0)
34#define BM_EOP_ERR (1<<1)
35/* ACC_BMX_CTL */
36#define BM_CTL_EN 0x01
37#define BM_CTL_PAUSE 0x03
38#define BM_CTL_DIS 0x00
39#define BM_CTL_BYTE_ORD_LE 0x00
40#define BM_CTL_BYTE_ORD_BE 0x04
41/* cs5535 specific ac97 codec register defines */
42#define CMD_MASK 0xFF00FFFF
43#define CMD_NEW 0x00010000
44#define STS_NEW 0x00020000
45#define PRM_RDY_STS 0x00800000
46#define ACC_CODEC_CNTL_WR_CMD (~0x80000000)
47#define ACC_CODEC_CNTL_RD_CMD 0x80000000
48#define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000
49#define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000
50#define PRD_JMP 0x2000
51#define PRD_EOP 0x4000
52#define PRD_EOT 0x8000
53
54enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
55
56struct cs5535audio;
57
58struct cs5535audio_dma_ops {
59 int type;
60 void (*enable_dma)(struct cs5535audio *cs5535au);
61 void (*disable_dma)(struct cs5535audio *cs5535au);
62 void (*pause_dma)(struct cs5535audio *cs5535au);
63 void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr);
64 u32 (*read_prd)(struct cs5535audio *cs5535au);
65 u32 (*read_dma_pntr)(struct cs5535audio *cs5535au);
66};
67
68struct cs5535audio_dma_desc {
69 u32 addr;
70 u16 size;
71 u16 ctlreserved;
72};
73
74struct cs5535audio_dma {
75 const struct cs5535audio_dma_ops *ops;
76 struct snd_dma_buffer desc_buf;
77 struct snd_pcm_substream *substream;
78 unsigned int buf_addr, buf_bytes;
79 unsigned int period_bytes, periods;
80 u32 saved_prd;
81 int pcm_open_flag;
82};
83
84struct cs5535audio {
85 struct snd_card *card;
86 struct snd_ac97 *ac97;
87 struct snd_pcm *pcm;
88 int irq;
89 struct pci_dev *pci;
90 unsigned long port;
91 spinlock_t reg_lock;
92 struct snd_pcm_substream *playback_substream;
93 struct snd_pcm_substream *capture_substream;
94 struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
95};
96
97#ifdef CONFIG_PM
98int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
99int snd_cs5535audio_resume(struct pci_dev *pci);
100#endif
101
102#ifdef CONFIG_OLPC
103void __devinit olpc_prequirks(struct snd_card *card,
104 struct snd_ac97_template *ac97);
105int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
106void __devexit olpc_quirks_cleanup(void);
107void olpc_analog_input(struct snd_ac97 *ac97, int on);
108void olpc_mic_bias(struct snd_ac97 *ac97, int on);
109
110static inline void olpc_capture_open(struct snd_ac97 *ac97)
111{
112 /* default to Analog Input off */
113 olpc_analog_input(ac97, 0);
114 /* enable MIC Bias for recording */
115 olpc_mic_bias(ac97, 1);
116}
117
118static inline void olpc_capture_close(struct snd_ac97 *ac97)
119{
120 /* disable Analog Input */
121 olpc_analog_input(ac97, 0);
122 /* disable the MIC Bias (so the recording LED turns off) */
123 olpc_mic_bias(ac97, 0);
124}
125#else
126static inline void olpc_prequirks(struct snd_card *card,
127 struct snd_ac97_template *ac97) { }
128static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
129{
130 return 0;
131}
132static inline void olpc_quirks_cleanup(void) { }
133static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
134static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
135static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
136static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
137#endif
138
139int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
140
141#endif /* __SOUND_CS5535AUDIO_H */
142
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