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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
9b4ffa48 JK |
2 | #ifndef __SOUND_CS5535AUDIO_H |
3 | #define __SOUND_CS5535AUDIO_H | |
4 | ||
3e873174 TI |
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) | |
9b4ffa48 JK |
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 | |
9b4ffa48 JK |
20 | #define ACC_BM0_PRD 0x24 |
21 | #define ACC_BM1_PRD 0x2C | |
9b4ffa48 JK |
22 | #define ACC_BM0_STATUS 0x21 |
23 | #define ACC_BM1_STATUS 0x29 | |
9b4ffa48 JK |
24 | #define ACC_BM0_PNTR 0x60 |
25 | #define ACC_BM1_PNTR 0x64 | |
4ea24163 | 26 | |
9b4ffa48 JK |
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 | |
9b4ffa48 JK |
33 | /* ACC_BMX_STATUS */ |
34 | #define EOP (1<<0) | |
35 | #define BM_EOP_ERR (1<<1) | |
36 | /* ACC_BMX_CTL */ | |
506ea68c AS |
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 | |
9b4ffa48 JK |
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 | |
9ac25594 JK |
49 | #define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000 |
50 | #define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000 | |
9b4ffa48 JK |
51 | #define PRD_JMP 0x2000 |
52 | #define PRD_EOP 0x4000 | |
53 | #define PRD_EOT 0x8000 | |
54 | ||
9b4ffa48 | 55 | enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS }; |
66f8df6b TI |
56 | |
57 | struct cs5535audio; | |
58 | ||
59 | struct cs5535audio_dma_ops { | |
9b4ffa48 | 60 | int type; |
66f8df6b TI |
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); | |
9ac25594 | 65 | u32 (*read_prd)(struct cs5535audio *cs5535au); |
66f8df6b | 66 | u32 (*read_dma_pntr)(struct cs5535audio *cs5535au); |
9b4ffa48 JK |
67 | }; |
68 | ||
66f8df6b | 69 | struct cs5535audio_dma_desc { |
9b4ffa48 JK |
70 | u32 addr; |
71 | u16 size; | |
72 | u16 ctlreserved; | |
66f8df6b | 73 | }; |
9b4ffa48 | 74 | |
66f8df6b TI |
75 | struct cs5535audio_dma { |
76 | const struct cs5535audio_dma_ops *ops; | |
9b4ffa48 | 77 | struct snd_dma_buffer desc_buf; |
66f8df6b | 78 | struct snd_pcm_substream *substream; |
9b4ffa48 JK |
79 | unsigned int buf_addr, buf_bytes; |
80 | unsigned int period_bytes, periods; | |
9ac25594 | 81 | u32 saved_prd; |
b035ce0f | 82 | int pcm_open_flag; |
9b4ffa48 JK |
83 | }; |
84 | ||
66f8df6b TI |
85 | struct cs5535audio { |
86 | struct snd_card *card; | |
87 | struct snd_ac97 *ac97; | |
9ac25594 | 88 | struct snd_pcm *pcm; |
9b4ffa48 JK |
89 | int irq; |
90 | struct pci_dev *pci; | |
91 | unsigned long port; | |
92 | spinlock_t reg_lock; | |
66f8df6b TI |
93 | struct snd_pcm_substream *playback_substream; |
94 | struct snd_pcm_substream *capture_substream; | |
95 | struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS]; | |
9b4ffa48 JK |
96 | }; |
97 | ||
68cb2b55 | 98 | extern const struct dev_pm_ops snd_cs5535audio_pm; |
b6c52a2c | 99 | |
3c554946 | 100 | #ifdef CONFIG_OLPC |
e23e7a14 BP |
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); | |
d6276b78 | 105 | void olpc_analog_input(struct snd_ac97 *ac97, int on); |
bf1e5278 AS |
106 | void olpc_mic_bias(struct snd_ac97 *ac97, int on); |
107 | ||
108 | static inline void olpc_capture_open(struct snd_ac97 *ac97) | |
109 | { | |
01da0241 AS |
110 | /* default to Analog Input off */ |
111 | olpc_analog_input(ac97, 0); | |
bf1e5278 AS |
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 | { | |
01da0241 AS |
118 | /* disable Analog Input */ |
119 | olpc_analog_input(ac97, 0); | |
bf1e5278 AS |
120 | /* disable the MIC Bias (so the recording LED turns off) */ |
121 | olpc_mic_bias(ac97, 0); | |
122 | } | |
57d4bf6d | 123 | #else |
3556d184 AS |
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 | } | |
3c554946 | 130 | static inline void olpc_quirks_cleanup(void) { } |
d6276b78 | 131 | static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { } |
bf1e5278 AS |
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) { } | |
57d4bf6d JK |
135 | #endif |
136 | ||
e23e7a14 | 137 | int snd_cs5535audio_pcm(struct cs5535audio *cs5535audio); |
66f8df6b | 138 | |
9b4ffa48 JK |
139 | #endif /* __SOUND_CS5535AUDIO_H */ |
140 |