1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __SOUND_CS5535AUDIO_H |
3 | #define __SOUND_CS5535AUDIO_H |
4 | |
5 | #define cs_writel(cs5535au, reg, val) outl(val, (cs5535au)->port + reg) |
6 | #define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg) |
7 | #define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg) |
8 | #define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg) |
9 | #define cs_readb(cs5535au, reg) inb((cs5535au)->port + reg) |
10 | |
11 | #define CS5535AUDIO_MAX_DESCRIPTORS 128 |
12 | |
13 | /* acc_codec bar0 reg addrs */ |
14 | #define ACC_GPIO_STATUS 0x00 |
15 | #define ACC_CODEC_STATUS 0x08 |
16 | #define ACC_CODEC_CNTL 0x0C |
17 | #define ACC_IRQ_STATUS 0x12 |
18 | #define ACC_BM0_CMD 0x20 |
19 | #define ACC_BM1_CMD 0x28 |
20 | #define ACC_BM0_PRD 0x24 |
21 | #define ACC_BM1_PRD 0x2C |
22 | #define ACC_BM0_STATUS 0x21 |
23 | #define ACC_BM1_STATUS 0x29 |
24 | #define ACC_BM0_PNTR 0x60 |
25 | #define ACC_BM1_PNTR 0x64 |
26 | |
27 | /* acc_codec bar0 reg bits */ |
28 | /* ACC_IRQ_STATUS */ |
29 | #define IRQ_STS 0 |
30 | #define WU_IRQ_STS 1 |
31 | #define BM0_IRQ_STS 2 |
32 | #define BM1_IRQ_STS 3 |
33 | /* ACC_BMX_STATUS */ |
34 | #define EOP (1<<0) |
35 | #define BM_EOP_ERR (1<<1) |
36 | /* ACC_BMX_CTL */ |
37 | #define BM_CTL_EN 0x01 |
38 | #define BM_CTL_PAUSE 0x03 |
39 | #define BM_CTL_DIS 0x00 |
40 | #define BM_CTL_BYTE_ORD_LE 0x00 |
41 | #define BM_CTL_BYTE_ORD_BE 0x04 |
42 | /* cs5535 specific ac97 codec register defines */ |
43 | #define CMD_MASK 0xFF00FFFF |
44 | #define CMD_NEW 0x00010000 |
45 | #define STS_NEW 0x00020000 |
46 | #define PRM_RDY_STS 0x00800000 |
47 | #define ACC_CODEC_CNTL_WR_CMD (~0x80000000) |
48 | #define ACC_CODEC_CNTL_RD_CMD 0x80000000 |
49 | #define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000 |
50 | #define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000 |
51 | #define PRD_JMP 0x2000 |
52 | #define PRD_EOP 0x4000 |
53 | #define PRD_EOT 0x8000 |
54 | |
55 | enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; |
56 | |
57 | struct cs5535audio; |
58 | |
59 | struct cs5535audio_dma_ops { |
60 | int type; |
61 | void (*enable_dma)(struct cs5535audio *cs5535au); |
62 | void (*disable_dma)(struct cs5535audio *cs5535au); |
63 | void (*pause_dma)(struct cs5535audio *cs5535au); |
64 | void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr); |
65 | u32 (*read_prd)(struct cs5535audio *cs5535au); |
66 | u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); |
67 | }; |
68 | |
69 | struct cs5535audio_dma_desc { |
70 | __le32 addr; |
71 | __le16 size; |
72 | __le16 ctlreserved; |
73 | }; |
74 | |
75 | struct cs5535audio_dma { |
76 | const struct cs5535audio_dma_ops *ops; |
77 | struct snd_dma_buffer desc_buf; |
78 | struct snd_pcm_substream *substream; |
79 | unsigned int buf_addr, buf_bytes; |
80 | unsigned int period_bytes, periods; |
81 | u32 saved_prd; |
82 | int pcm_open_flag; |
83 | }; |
84 | |
85 | struct cs5535audio { |
86 | struct snd_card *card; |
87 | struct snd_ac97 *ac97; |
88 | struct snd_pcm *pcm; |
89 | int irq; |
90 | struct pci_dev *pci; |
91 | unsigned long port; |
92 | spinlock_t reg_lock; |
93 | struct snd_pcm_substream *playback_substream; |
94 | struct snd_pcm_substream *capture_substream; |
95 | struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS]; |
96 | }; |
97 | |
98 | extern const struct dev_pm_ops snd_cs5535audio_pm; |
99 | |
100 | #ifdef CONFIG_OLPC |
101 | void olpc_prequirks(struct snd_card *card, |
102 | struct snd_ac97_template *ac97); |
103 | int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97); |
104 | void olpc_quirks_cleanup(void); |
105 | void olpc_analog_input(struct snd_ac97 *ac97, int on); |
106 | void olpc_mic_bias(struct snd_ac97 *ac97, int on); |
107 | |
108 | static inline void olpc_capture_open(struct snd_ac97 *ac97) |
109 | { |
110 | /* default to Analog Input off */ |
111 | olpc_analog_input(ac97, 0); |
112 | /* enable MIC Bias for recording */ |
113 | olpc_mic_bias(ac97, 1); |
114 | } |
115 | |
116 | static inline void olpc_capture_close(struct snd_ac97 *ac97) |
117 | { |
118 | /* disable Analog Input */ |
119 | olpc_analog_input(ac97, 0); |
120 | /* disable the MIC Bias (so the recording LED turns off) */ |
121 | olpc_mic_bias(ac97, 0); |
122 | } |
123 | #else |
124 | static inline void olpc_prequirks(struct snd_card *card, |
125 | struct snd_ac97_template *ac97) { } |
126 | static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) |
127 | { |
128 | return 0; |
129 | } |
130 | static inline void olpc_quirks_cleanup(void) { } |
131 | static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } |
132 | static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { } |
133 | static inline void olpc_capture_open(struct snd_ac97 *ac97) { } |
134 | static inline void olpc_capture_close(struct snd_ac97 *ac97) { } |
135 | #endif |
136 | |
137 | int snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); |
138 | |
139 | #endif /* __SOUND_CS5535AUDIO_H */ |
140 | |
141 | |