1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
#ifndef _AC97_CODEC_H_
#define _AC97_CODEC_H_
#include <linux/types.h>
#include <linux/soundcard.h>
/* AC97 1.0 */
#define AC97_RESET 0x0000 //
#define AC97_MASTER_VOL_STEREO 0x0002 // Line Out
#define AC97_HEADPHONE_VOL 0x0004 //
#define AC97_MASTER_VOL_MONO 0x0006 // TAD Output
#define AC97_MASTER_TONE 0x0008 //
#define AC97_PCBEEP_VOL 0x000a // none
#define AC97_PHONE_VOL 0x000c // TAD Input (mono)
#define AC97_MIC_VOL 0x000e // MIC Input (mono)
#define AC97_LINEIN_VOL 0x0010 // Line Input (stereo)
#define AC97_CD_VOL 0x0012 // CD Input (stereo)
#define AC97_VIDEO_VOL 0x0014 // none
#define AC97_AUX_VOL 0x0016 // Aux Input (stereo)
#define AC97_PCMOUT_VOL 0x0018 // Wave Output (stereo)
#define AC97_RECORD_SELECT 0x001a //
#define AC97_RECORD_GAIN 0x001c
#define AC97_RECORD_GAIN_MIC 0x001e
#define AC97_GENERAL_PURPOSE 0x0020
#define AC97_3D_CONTROL 0x0022
#define AC97_MODEM_RATE 0x0024
#define AC97_POWER_CONTROL 0x0026
/* AC'97 2.0 */
#define AC97_EXTENDED_ID 0x0028 /* Extended Audio ID */
#define AC97_EXTENDED_STATUS 0x002A /* Extended Audio Status */
#define AC97_PCM_FRONT_DAC_RATE 0x002C /* PCM Front DAC Rate */
#define AC97_PCM_SURR_DAC_RATE 0x002E /* PCM Surround DAC Rate */
#define AC97_PCM_LFE_DAC_RATE 0x0030 /* PCM LFE DAC Rate */
#define AC97_PCM_LR_ADC_RATE 0x0032 /* PCM LR DAC Rate */
#define AC97_PCM_MIC_ADC_RATE 0x0034 /* PCM MIC ADC Rate */
#define AC97_CENTER_LFE_MASTER 0x0036 /* Center + LFE Master Volume */
#define AC97_SURROUND_MASTER 0x0038 /* Surround (Rear) Master Volume */
#define AC97_RESERVED_3A 0x003A /* Reserved */
/* range 0x3c-0x58 - MODEM */
#define AC97_EXTENDED_MODEM_ID 0x003C
#define AC97_EXTEND_MODEM_STAT 0x003E
#define AC97_LINE1_RATE 0x0040
#define AC97_LINE2_RATE 0x0042
#define AC97_HANDSET_RATE 0x0044
#define AC97_LINE1_LEVEL 0x0046
#define AC97_LINE2_LEVEL 0x0048
#define AC97_HANDSET_LEVEL 0x004A
#define AC97_GPIO_CONFIG 0x004C
#define AC97_GPIO_POLARITY 0x004E
#define AC97_GPIO_STICKY 0x0050
#define AC97_GPIO_WAKE_UP 0x0052
#define AC97_GPIO_STATUS 0x0054
#define AC97_MISC_MODEM_STAT 0x0056
#define AC97_RESERVED_58 0x0058
/* registers 0x005a - 0x007a are vendor reserved */
#define AC97_VENDOR_ID1 0x007c
#define AC97_VENDOR_ID2 0x007e
/* volume control bit defines */
#define AC97_MUTE 0x8000
#define AC97_MICBOOST 0x0040
#define AC97_LEFTVOL 0x3f00
#define AC97_RIGHTVOL 0x003f
/* record mux defines */
#define AC97_RECMUX_MIC 0x0000
#define AC97_RECMUX_CD 0x0101
#define AC97_RECMUX_VIDEO 0x0202
#define AC97_RECMUX_AUX 0x0303
#define AC97_RECMUX_LINE 0x0404
#define AC97_RECMUX_STEREO_MIX 0x0505
#define AC97_RECMUX_MONO_MIX 0x0606
#define AC97_RECMUX_PHONE 0x0707
/* general purpose register bit defines */
#define AC97_GP_LPBK 0x0080 /* Loopback mode */
#define AC97_GP_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 */
#define AC97_GP_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic */
#define AC97_GP_RLBK 0x0400 /* Remote Loopback - Modem line codec */
#define AC97_GP_LLBK 0x0800 /* Local Loopback - Modem Line codec */
#define AC97_GP_LD 0x1000 /* Loudness 1=on */
#define AC97_GP_3D 0x2000 /* 3D Enhancement 1=on */
#define AC97_GP_ST 0x4000 /* Stereo Enhancement 1=on */
#define AC97_GP_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */
/* powerdown control and status bit defines */
/* status */
#define AC97_PWR_MDM 0x0010 /* Modem section ready */
#define AC97_PWR_REF 0x0008 /* Vref nominal */
#define AC97_PWR_ANL 0x0004 /* Analog section ready */
#define AC97_PWR_DAC 0x0002 /* DAC section ready */
#define AC97_PWR_ADC 0x0001 /* ADC section ready */
/* control */
#define AC97_PWR_PR0 0x0100 /* ADC and Mux powerdown */
#define AC97_PWR_PR1 0x0200 /* DAC powerdown */
#define AC97_PWR_PR2 0x0400 /* Output mixer powerdown (Vref on) */
#define AC97_PWR_PR3 0x0800 /* Output mixer powerdown (Vref off) */
#define AC97_PWR_PR4 0x1000 /* AC-link powerdown */
#define AC97_PWR_PR5 0x2000 /* Internal Clk disable */
#define AC97_PWR_PR6 0x4000 /* HP amp powerdown */
#define AC97_PWR_PR7 0x8000 /* Modem off - if supported */
/* useful power states */
#define AC97_PWR_D0 0x0000 /* everything on */
#define AC97_PWR_D1 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR4
#define AC97_PWR_D2 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4
#define AC97_PWR_D3 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4
#define AC97_PWR_ANLOFF AC97_PWR_PR2|AC97_PWR_PR3 /* analog section off */
/* Total number of defined registers. */
#define AC97_REG_CNT 64
/* OSS interface to the ac97s.. */
#define AC97_STEREO_MASK (SOUND_MASK_VOLUME|SOUND_MASK_PCM|\
SOUND_MASK_LINE|SOUND_MASK_CD|\
SOUND_MASK_ALTPCM|SOUND_MASK_IGAIN|\
SOUND_MASK_LINE1|SOUND_MASK_VIDEO)
#define AC97_SUPPORTED_MASK (AC97_STEREO_MASK | \
SOUND_MASK_BASS|SOUND_MASK_TREBLE|\
SOUND_MASK_SPEAKER|SOUND_MASK_MIC|\
SOUND_MASK_PHONEIN|SOUND_MASK_PHONEOUT)
#define AC97_RECORD_MASK (SOUND_MASK_MIC|\
SOUND_MASK_CD|SOUND_MASK_IGAIN|SOUND_MASK_VIDEO|\
SOUND_MASK_LINE1| SOUND_MASK_LINE|\
SOUND_MASK_PHONEIN)
#define supported_mixer(CODEC,FOO) ((CODEC)->supported_mixers & (1<<FOO) )
struct ac97_codec {
/* AC97 controller connected with */
void *private_data;
char *name;
int id;
int dev_mixer;
int type;
/* codec specific init/reset routines, used mainly for 4 or 6 channel support */
int (*codec_init) (struct ac97_codec *codec);
/* controller specific lower leverl ac97 accessing routines */
u16 (*codec_read) (struct ac97_codec *codec, u8 reg);
void (*codec_write) (struct ac97_codec *codec, u8 reg, u16 val);
/* Wait for codec-ready. Ok to sleep here. */
void (*codec_wait) (struct ac97_codec *codec);
/* OSS mixer masks */
int modcnt;
int supported_mixers;
int stereo_mixers;
int record_sources;
int bit_resolution;
/* OSS mixer interface */
int (*read_mixer) (struct ac97_codec *codec, int oss_channel);
void (*write_mixer)(struct ac97_codec *codec, int oss_channel,
unsigned int left, unsigned int right);
int (*recmask_io) (struct ac97_codec *codec, int rw, int mask);
int (*mixer_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg);
/* saved OSS mixer states */
unsigned int mixer_state[SOUND_MIXER_NRDEVICES];
/* Software Modem interface */
int (*modem_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg);
};
extern int ac97_read_proc (char *page_out, char **start, off_t off,
int count, int *eof, void *data);
extern int ac97_probe_codec(struct ac97_codec *);
#endif /* _AC97_CODEC_H_ */
|
