1#ifndef _AC97_CODEC_H_ 2#define _AC97_CODEC_H_ 3 4#include <linux/types.h> 5#include <linux/soundcard.h> 6 7/* AC97 1.0 */ 8#define AC97_RESET 0x0000 // 9#define AC97_MASTER_VOL_STEREO 0x0002 // Line Out 10#define AC97_HEADPHONE_VOL 0x0004 // 11#define AC97_MASTER_VOL_MONO 0x0006 // TAD Output 12#define AC97_MASTER_TONE 0x0008 // 13#define AC97_PCBEEP_VOL 0x000a // none 14#define AC97_PHONE_VOL 0x000c // TAD Input (mono) 15#define AC97_MIC_VOL 0x000e // MIC Input (mono) 16#define AC97_LINEIN_VOL 0x0010 // Line Input (stereo) 17#define AC97_CD_VOL 0x0012 // CD Input (stereo) 18#define AC97_VIDEO_VOL 0x0014 // none 19#define AC97_AUX_VOL 0x0016 // Aux Input (stereo) 20#define AC97_PCMOUT_VOL 0x0018 // Wave Output (stereo) 21#define AC97_RECORD_SELECT 0x001a // 22#define AC97_RECORD_GAIN 0x001c 23#define AC97_RECORD_GAIN_MIC 0x001e 24#define AC97_GENERAL_PURPOSE 0x0020 25#define AC97_3D_CONTROL 0x0022 26#define AC97_MODEM_RATE 0x0024 27#define AC97_POWER_CONTROL 0x0026 28 29/* AC'97 2.0 */ 30#define AC97_EXTENDED_ID 0x0028 /* Extended Audio ID */ 31#define AC97_EXTENDED_STATUS 0x002A /* Extended Audio Status */ 32#define AC97_PCM_FRONT_DAC_RATE 0x002C /* PCM Front DAC Rate */ 33#define AC97_PCM_SURR_DAC_RATE 0x002E /* PCM Surround DAC Rate */ 34#define AC97_PCM_LFE_DAC_RATE 0x0030 /* PCM LFE DAC Rate */ 35#define AC97_PCM_LR_ADC_RATE 0x0032 /* PCM LR ADC Rate */ 36#define AC97_PCM_MIC_ADC_RATE 0x0034 /* PCM MIC ADC Rate */ 37#define AC97_CENTER_LFE_MASTER 0x0036 /* Center + LFE Master Volume */ 38#define AC97_SURROUND_MASTER 0x0038 /* Surround (Rear) Master Volume */ 39#define AC97_RESERVED_3A 0x003A /* Reserved in AC '97 < 2.2 */ 40 41/* AC'97 2.2 */ 42#define AC97_SPDIF_CONTROL 0x003A /* S/PDIF Control */ 43 44/* range 0x3c-0x58 - MODEM */ 45#define AC97_EXTENDED_MODEM_ID 0x003C 46#define AC97_EXTEND_MODEM_STAT 0x003E 47#define AC97_LINE1_RATE 0x0040 48#define AC97_LINE2_RATE 0x0042 49#define AC97_HANDSET_RATE 0x0044 50#define AC97_LINE1_LEVEL 0x0046 51#define AC97_LINE2_LEVEL 0x0048 52#define AC97_HANDSET_LEVEL 0x004A 53#define AC97_GPIO_CONFIG 0x004C 54#define AC97_GPIO_POLARITY 0x004E 55#define AC97_GPIO_STICKY 0x0050 56#define AC97_GPIO_WAKE_UP 0x0052 57#define AC97_GPIO_STATUS 0x0054 58#define AC97_MISC_MODEM_STAT 0x0056 59#define AC97_RESERVED_58 0x0058 60 61/* registers 0x005a - 0x007a are vendor reserved */ 62 63#define AC97_VENDOR_ID1 0x007c 64#define AC97_VENDOR_ID2 0x007e 65 66/* volume control bit defines */ 67#define AC97_MUTE 0x8000 68#define AC97_MICBOOST 0x0040 69#define AC97_LEFTVOL 0x3f00 70#define AC97_RIGHTVOL 0x003f 71 72/* record mux defines */ 73#define AC97_RECMUX_MIC 0x0000 74#define AC97_RECMUX_CD 0x0101 75#define AC97_RECMUX_VIDEO 0x0202 76#define AC97_RECMUX_AUX 0x0303 77#define AC97_RECMUX_LINE 0x0404 78#define AC97_RECMUX_STEREO_MIX 0x0505 79#define AC97_RECMUX_MONO_MIX 0x0606 80#define AC97_RECMUX_PHONE 0x0707 81 82/* general purpose register bit defines */ 83#define AC97_GP_LPBK 0x0080 /* Loopback mode */ 84#define AC97_GP_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 */ 85#define AC97_GP_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic */ 86#define AC97_GP_RLBK 0x0400 /* Remote Loopback - Modem line codec */ 87#define AC97_GP_LLBK 0x0800 /* Local Loopback - Modem Line codec */ 88#define AC97_GP_LD 0x1000 /* Loudness 1=on */ 89#define AC97_GP_3D 0x2000 /* 3D Enhancement 1=on */ 90#define AC97_GP_ST 0x4000 /* Stereo Enhancement 1=on */ 91#define AC97_GP_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */ 92 93/* extended audio status and control bit defines */ 94#define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ 95#define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ 96#define AC97_EA_SPDIF 0x0004 /* S/PDIF Enable bit */ 97#define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ 98#define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ 99#define AC97_EA_SDAC 0x0040 /* PCM Surround DACs are ready (Read only) */ 100#define AC97_EA_LDAC 0x0080 /* PCM LFE DAC is ready (Read only) */ 101#define AC97_EA_MDAC 0x0100 /* MIC ADC is ready (Read only) */ 102#define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ 103#define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ 104#define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ 105#define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ 106#define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ 107#define AC97_EA_SLOT_MASK 0xffcf /* Mask for slot assignment bits */ 108#define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ 109#define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ 110#define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ 111#define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ 112 113/* S/PDIF control bit defines */ 114#define AC97_SC_PRO 0x0001 /* Professional status */ 115#define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ 116#define AC97_SC_COPY 0x0004 /* Copyright status */ 117#define AC97_SC_PRE 0x0008 /* Preemphasis status */ 118#define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ 119#define AC97_SC_L 0x0800 /* Generation Level status */ 120#define AC97_SC_SPSR_MASK 0xcfff /* S/PDIF Sample Rate bits */ 121#define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ 122#define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ 123#define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ 124#define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ 125#define AC97_SC_V 0x8000 /* Validity status */ 126 127/* powerdown control and status bit defines */ 128 129/* status */ 130#define AC97_PWR_MDM 0x0010 /* Modem section ready */ 131#define AC97_PWR_REF 0x0008 /* Vref nominal */ 132#define AC97_PWR_ANL 0x0004 /* Analog section ready */ 133#define AC97_PWR_DAC 0x0002 /* DAC section ready */ 134#define AC97_PWR_ADC 0x0001 /* ADC section ready */ 135 136/* control */ 137#define AC97_PWR_PR0 0x0100 /* ADC and Mux powerdown */ 138#define AC97_PWR_PR1 0x0200 /* DAC powerdown */ 139#define AC97_PWR_PR2 0x0400 /* Output mixer powerdown (Vref on) */ 140#define AC97_PWR_PR3 0x0800 /* Output mixer powerdown (Vref off) */ 141#define AC97_PWR_PR4 0x1000 /* AC-link powerdown */ 142#define AC97_PWR_PR5 0x2000 /* Internal Clk disable */ 143#define AC97_PWR_PR6 0x4000 /* HP amp powerdown */ 144#define AC97_PWR_PR7 0x8000 /* Modem off - if supported */ 145 146/* extended audio ID register bit defines */ 147#define AC97_EXTID_VRA 0x0001 148#define AC97_EXTID_DRA 0x0002 149#define AC97_EXTID_SPDIF 0x0004 150#define AC97_EXTID_VRM 0x0008 151#define AC97_EXTID_DSA0 0x0010 152#define AC97_EXTID_DSA1 0x0020 153#define AC97_EXTID_CDAC 0x0040 154#define AC97_EXTID_SDAC 0x0080 155#define AC97_EXTID_LDAC 0x0100 156#define AC97_EXTID_AMAP 0x0200 157#define AC97_EXTID_REV0 0x0400 158#define AC97_EXTID_REV1 0x0800 159#define AC97_EXTID_ID0 0x4000 160#define AC97_EXTID_ID1 0x8000 161 162/* extended status register bit defines */ 163#define AC97_EXTSTAT_VRA 0x0001 164#define AC97_EXTSTAT_DRA 0x0002 165#define AC97_EXTSTAT_SPDIF 0x0004 166#define AC97_EXTSTAT_VRM 0x0008 167#define AC97_EXTSTAT_SPSA0 0x0010 168#define AC97_EXTSTAT_SPSA1 0x0020 169#define AC97_EXTSTAT_CDAC 0x0040 170#define AC97_EXTSTAT_SDAC 0x0080 171#define AC97_EXTSTAT_LDAC 0x0100 172#define AC97_EXTSTAT_MADC 0x0200 173#define AC97_EXTSTAT_SPCV 0x0400 174#define AC97_EXTSTAT_PRI 0x0800 175#define AC97_EXTSTAT_PRJ 0x1000 176#define AC97_EXTSTAT_PRK 0x2000 177#define AC97_EXTSTAT_PRL 0x4000 178 179/* useful power states */ 180#define AC97_PWR_D0 0x0000 /* everything on */ 181#define AC97_PWR_D1 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR4 182#define AC97_PWR_D2 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 183#define AC97_PWR_D3 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 184#define AC97_PWR_ANLOFF AC97_PWR_PR2|AC97_PWR_PR3 /* analog section off */ 185 186/* Total number of defined registers. */ 187#define AC97_REG_CNT 64 188 189 190/* OSS interface to the ac97s.. */ 191#define AC97_STEREO_MASK (SOUND_MASK_VOLUME|SOUND_MASK_PCM|\ 192 SOUND_MASK_LINE|SOUND_MASK_CD|\ 193 SOUND_MASK_ALTPCM|SOUND_MASK_IGAIN|\ 194 SOUND_MASK_LINE1|SOUND_MASK_VIDEO) 195 196#define AC97_SUPPORTED_MASK (AC97_STEREO_MASK | \ 197 SOUND_MASK_BASS|SOUND_MASK_TREBLE|\ 198 SOUND_MASK_SPEAKER|SOUND_MASK_MIC|\ 199 SOUND_MASK_PHONEIN|SOUND_MASK_PHONEOUT) 200 201#define AC97_RECORD_MASK (SOUND_MASK_MIC|\ 202 SOUND_MASK_CD|SOUND_MASK_IGAIN|SOUND_MASK_VIDEO|\ 203 SOUND_MASK_LINE1| SOUND_MASK_LINE|\ 204 SOUND_MASK_PHONEIN) 205 206/* original check is not good enough in case FOO is greater than 207 * SOUND_MIXER_NRDEVICES because the supported_mixers has exactly 208 * SOUND_MIXER_NRDEVICES elements. 209 * before matching the given mixer against the bitmask in supported_mixers we 210 * check if mixer number exceeds maximum allowed size which is as mentioned 211 * above SOUND_MIXER_NRDEVICES */ 212#define supported_mixer(CODEC,FOO) ((FOO >= 0) && \ 213 (FOO < SOUND_MIXER_NRDEVICES) && \ 214 (CODEC)->supported_mixers & (1<<FOO) ) 215 216struct ac97_codec { 217 /* AC97 controller connected with */ 218 void *private_data; 219 220 char *name; 221 int id; 222 int dev_mixer; 223 int type; 224 225 struct ac97_ops *codec_ops; 226 227 /* controller specific lower leverl ac97 accessing routines */ 228 u16 (*codec_read) (struct ac97_codec *codec, u8 reg); 229 void (*codec_write) (struct ac97_codec *codec, u8 reg, u16 val); 230 231 /* Wait for codec-ready. Ok to sleep here. */ 232 void (*codec_wait) (struct ac97_codec *codec); 233 234 /* OSS mixer masks */ 235 int modcnt; 236 int supported_mixers; 237 int stereo_mixers; 238 int record_sources; 239 240 int bit_resolution; 241 242 /* OSS mixer interface */ 243 int (*read_mixer) (struct ac97_codec *codec, int oss_channel); 244 void (*write_mixer)(struct ac97_codec *codec, int oss_channel, 245 unsigned int left, unsigned int right); 246 int (*recmask_io) (struct ac97_codec *codec, int rw, int mask); 247 int (*mixer_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); 248 249 /* saved OSS mixer states */ 250 unsigned int mixer_state[SOUND_MIXER_NRDEVICES]; 251 252 /* Software Modem interface */ 253 int (*modem_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); 254}; 255 256/* 257 * Operation structures for each known AC97 chip 258 */ 259 260struct ac97_ops 261{ 262 /* Initialise */ 263 int (*init)(struct ac97_codec *c); 264 /* Amplifier control */ 265 int (*amplifier)(struct ac97_codec *codec, int on); 266 /* Digital mode control */ 267 int (*digital)(struct ac97_codec *codec, int format); 268}; 269 270extern int ac97_read_proc (char *page_out, char **start, off_t off, 271 int count, int *eof, void *data); 272extern int ac97_probe_codec(struct ac97_codec *); 273extern unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate); 274extern unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate); 275extern int ac97_save_state(struct ac97_codec *codec); 276extern int ac97_restore_state(struct ac97_codec *codec); 277 278#endif /* _AC97_CODEC_H_ */ 279