1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __SOUND_CS5535AUDIO_H
3*4882a593Smuzhiyun #define __SOUND_CS5535AUDIO_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #define cs_writel(cs5535au, reg, val) outl(val, (cs5535au)->port + reg)
6*4882a593Smuzhiyun #define cs_writeb(cs5535au, reg, val) outb(val, (cs5535au)->port + reg)
7*4882a593Smuzhiyun #define cs_readl(cs5535au, reg) inl((cs5535au)->port + reg)
8*4882a593Smuzhiyun #define cs_readw(cs5535au, reg) inw((cs5535au)->port + reg)
9*4882a593Smuzhiyun #define cs_readb(cs5535au, reg) inb((cs5535au)->port + reg)
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #define CS5535AUDIO_MAX_DESCRIPTORS 128
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun /* acc_codec bar0 reg addrs */
14*4882a593Smuzhiyun #define ACC_GPIO_STATUS 0x00
15*4882a593Smuzhiyun #define ACC_CODEC_STATUS 0x08
16*4882a593Smuzhiyun #define ACC_CODEC_CNTL 0x0C
17*4882a593Smuzhiyun #define ACC_IRQ_STATUS 0x12
18*4882a593Smuzhiyun #define ACC_BM0_CMD 0x20
19*4882a593Smuzhiyun #define ACC_BM1_CMD 0x28
20*4882a593Smuzhiyun #define ACC_BM0_PRD 0x24
21*4882a593Smuzhiyun #define ACC_BM1_PRD 0x2C
22*4882a593Smuzhiyun #define ACC_BM0_STATUS 0x21
23*4882a593Smuzhiyun #define ACC_BM1_STATUS 0x29
24*4882a593Smuzhiyun #define ACC_BM0_PNTR 0x60
25*4882a593Smuzhiyun #define ACC_BM1_PNTR 0x64
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun /* acc_codec bar0 reg bits */
28*4882a593Smuzhiyun /* ACC_IRQ_STATUS */
29*4882a593Smuzhiyun #define IRQ_STS 0
30*4882a593Smuzhiyun #define WU_IRQ_STS 1
31*4882a593Smuzhiyun #define BM0_IRQ_STS 2
32*4882a593Smuzhiyun #define BM1_IRQ_STS 3
33*4882a593Smuzhiyun /* ACC_BMX_STATUS */
34*4882a593Smuzhiyun #define EOP (1<<0)
35*4882a593Smuzhiyun #define BM_EOP_ERR (1<<1)
36*4882a593Smuzhiyun /* ACC_BMX_CTL */
37*4882a593Smuzhiyun #define BM_CTL_EN 0x01
38*4882a593Smuzhiyun #define BM_CTL_PAUSE 0x03
39*4882a593Smuzhiyun #define BM_CTL_DIS 0x00
40*4882a593Smuzhiyun #define BM_CTL_BYTE_ORD_LE 0x00
41*4882a593Smuzhiyun #define BM_CTL_BYTE_ORD_BE 0x04
42*4882a593Smuzhiyun /* cs5535 specific ac97 codec register defines */
43*4882a593Smuzhiyun #define CMD_MASK 0xFF00FFFF
44*4882a593Smuzhiyun #define CMD_NEW 0x00010000
45*4882a593Smuzhiyun #define STS_NEW 0x00020000
46*4882a593Smuzhiyun #define PRM_RDY_STS 0x00800000
47*4882a593Smuzhiyun #define ACC_CODEC_CNTL_WR_CMD (~0x80000000)
48*4882a593Smuzhiyun #define ACC_CODEC_CNTL_RD_CMD 0x80000000
49*4882a593Smuzhiyun #define ACC_CODEC_CNTL_LNK_SHUTDOWN 0x00040000
50*4882a593Smuzhiyun #define ACC_CODEC_CNTL_LNK_WRM_RST 0x00020000
51*4882a593Smuzhiyun #define PRD_JMP 0x2000
52*4882a593Smuzhiyun #define PRD_EOP 0x4000
53*4882a593Smuzhiyun #define PRD_EOT 0x8000
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun enum { CS5535AUDIO_DMA_PLAYBACK, CS5535AUDIO_DMA_CAPTURE, NUM_CS5535AUDIO_DMAS };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun struct cs5535audio;
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun struct cs5535audio_dma_ops {
60*4882a593Smuzhiyun int type;
61*4882a593Smuzhiyun void (*enable_dma)(struct cs5535audio *cs5535au);
62*4882a593Smuzhiyun void (*disable_dma)(struct cs5535audio *cs5535au);
63*4882a593Smuzhiyun void (*pause_dma)(struct cs5535audio *cs5535au);
64*4882a593Smuzhiyun void (*setup_prd)(struct cs5535audio *cs5535au, u32 prd_addr);
65*4882a593Smuzhiyun u32 (*read_prd)(struct cs5535audio *cs5535au);
66*4882a593Smuzhiyun u32 (*read_dma_pntr)(struct cs5535audio *cs5535au);
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun struct cs5535audio_dma_desc {
70*4882a593Smuzhiyun __le32 addr;
71*4882a593Smuzhiyun __le16 size;
72*4882a593Smuzhiyun __le16 ctlreserved;
73*4882a593Smuzhiyun };
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun struct cs5535audio_dma {
76*4882a593Smuzhiyun const struct cs5535audio_dma_ops *ops;
77*4882a593Smuzhiyun struct snd_dma_buffer desc_buf;
78*4882a593Smuzhiyun struct snd_pcm_substream *substream;
79*4882a593Smuzhiyun unsigned int buf_addr, buf_bytes;
80*4882a593Smuzhiyun unsigned int period_bytes, periods;
81*4882a593Smuzhiyun u32 saved_prd;
82*4882a593Smuzhiyun int pcm_open_flag;
83*4882a593Smuzhiyun };
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun struct cs5535audio {
86*4882a593Smuzhiyun struct snd_card *card;
87*4882a593Smuzhiyun struct snd_ac97 *ac97;
88*4882a593Smuzhiyun struct snd_pcm *pcm;
89*4882a593Smuzhiyun int irq;
90*4882a593Smuzhiyun struct pci_dev *pci;
91*4882a593Smuzhiyun unsigned long port;
92*4882a593Smuzhiyun spinlock_t reg_lock;
93*4882a593Smuzhiyun struct snd_pcm_substream *playback_substream;
94*4882a593Smuzhiyun struct snd_pcm_substream *capture_substream;
95*4882a593Smuzhiyun struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
96*4882a593Smuzhiyun };
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun extern const struct dev_pm_ops snd_cs5535audio_pm;
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun #ifdef CONFIG_OLPC
101*4882a593Smuzhiyun void olpc_prequirks(struct snd_card *card,
102*4882a593Smuzhiyun struct snd_ac97_template *ac97);
103*4882a593Smuzhiyun int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
104*4882a593Smuzhiyun void olpc_quirks_cleanup(void);
105*4882a593Smuzhiyun void olpc_analog_input(struct snd_ac97 *ac97, int on);
106*4882a593Smuzhiyun void olpc_mic_bias(struct snd_ac97 *ac97, int on);
107*4882a593Smuzhiyun
olpc_capture_open(struct snd_ac97 * ac97)108*4882a593Smuzhiyun static inline void olpc_capture_open(struct snd_ac97 *ac97)
109*4882a593Smuzhiyun {
110*4882a593Smuzhiyun /* default to Analog Input off */
111*4882a593Smuzhiyun olpc_analog_input(ac97, 0);
112*4882a593Smuzhiyun /* enable MIC Bias for recording */
113*4882a593Smuzhiyun olpc_mic_bias(ac97, 1);
114*4882a593Smuzhiyun }
115*4882a593Smuzhiyun
olpc_capture_close(struct snd_ac97 * ac97)116*4882a593Smuzhiyun static inline void olpc_capture_close(struct snd_ac97 *ac97)
117*4882a593Smuzhiyun {
118*4882a593Smuzhiyun /* disable Analog Input */
119*4882a593Smuzhiyun olpc_analog_input(ac97, 0);
120*4882a593Smuzhiyun /* disable the MIC Bias (so the recording LED turns off) */
121*4882a593Smuzhiyun olpc_mic_bias(ac97, 0);
122*4882a593Smuzhiyun }
123*4882a593Smuzhiyun #else
olpc_prequirks(struct snd_card * card,struct snd_ac97_template * ac97)124*4882a593Smuzhiyun static inline void olpc_prequirks(struct snd_card *card,
125*4882a593Smuzhiyun struct snd_ac97_template *ac97) { }
olpc_quirks(struct snd_card * card,struct snd_ac97 * ac97)126*4882a593Smuzhiyun static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
127*4882a593Smuzhiyun {
128*4882a593Smuzhiyun return 0;
129*4882a593Smuzhiyun }
olpc_quirks_cleanup(void)130*4882a593Smuzhiyun static inline void olpc_quirks_cleanup(void) { }
olpc_analog_input(struct snd_ac97 * ac97,int on)131*4882a593Smuzhiyun static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
olpc_mic_bias(struct snd_ac97 * ac97,int on)132*4882a593Smuzhiyun static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
olpc_capture_open(struct snd_ac97 * ac97)133*4882a593Smuzhiyun static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
olpc_capture_close(struct snd_ac97 * ac97)134*4882a593Smuzhiyun static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
135*4882a593Smuzhiyun #endif
136*4882a593Smuzhiyun
137*4882a593Smuzhiyun int snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
138*4882a593Smuzhiyun
139*4882a593Smuzhiyun #endif /* __SOUND_CS5535AUDIO_H */
140*4882a593Smuzhiyun
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