Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 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 | |||
| 216 | struct ac97_codec { |
||
| 217 | /* Linked list of codecs */ |
||
| 218 | struct list_head list; |
||
| 219 | |||
| 220 | /* AC97 controller connected with */ |
||
| 221 | void *private_data; |
||
| 222 | |||
| 223 | char *name; |
||
| 224 | int id; |
||
| 225 | int dev_mixer; |
||
| 226 | int type; |
||
| 227 | u32 model; |
||
| 228 | |||
| 229 | int modem:1; |
||
| 230 | |||
| 231 | struct ac97_ops *codec_ops; |
||
| 232 | |||
| 233 | /* controller specific lower leverl ac97 accessing routines. |
||
| 234 | must be re-entrant safe */ |
||
| 235 | u16 (*codec_read) (struct ac97_codec *codec, u8 reg); |
||
| 236 | void (*codec_write) (struct ac97_codec *codec, u8 reg, u16 val); |
||
| 237 | |||
| 238 | /* Wait for codec-ready. Ok to sleep here. */ |
||
| 239 | void (*codec_wait) (struct ac97_codec *codec); |
||
| 240 | |||
| 241 | /* callback used by helper drivers for interesting ac97 setups */ |
||
| 242 | void (*codec_unregister) (struct ac97_codec *codec); |
||
| 243 | |||
| 244 | struct ac97_driver *driver; |
||
| 245 | void *driver_private; /* Private data for the driver */ |
||
| 246 | |||
| 247 | spinlock_t lock; |
||
| 248 | |||
| 249 | /* OSS mixer masks */ |
||
| 250 | int modcnt; |
||
| 251 | int supported_mixers; |
||
| 252 | int stereo_mixers; |
||
| 253 | int record_sources; |
||
| 254 | |||
| 255 | /* Property flags */ |
||
| 256 | int flags; |
||
| 257 | |||
| 258 | int bit_resolution; |
||
| 259 | |||
| 260 | /* OSS mixer interface */ |
||
| 261 | int (*read_mixer) (struct ac97_codec *codec, int oss_channel); |
||
| 262 | void (*write_mixer)(struct ac97_codec *codec, int oss_channel, |
||
| 263 | unsigned int left, unsigned int right); |
||
| 264 | int (*recmask_io) (struct ac97_codec *codec, int rw, int mask); |
||
| 265 | int (*mixer_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); |
||
| 266 | |||
| 267 | /* saved OSS mixer states */ |
||
| 268 | unsigned int mixer_state[SOUND_MIXER_NRDEVICES]; |
||
| 269 | |||
| 270 | /* Software Modem interface */ |
||
| 271 | int (*modem_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); |
||
| 272 | }; |
||
| 273 | |||
| 274 | /* |
||
| 275 | * Operation structures for each known AC97 chip |
||
| 276 | */ |
||
| 277 | |||
| 278 | struct ac97_ops |
||
| 279 | { |
||
| 280 | /* Initialise */ |
||
| 281 | int (*init)(struct ac97_codec *c); |
||
| 282 | /* Amplifier control */ |
||
| 283 | int (*amplifier)(struct ac97_codec *codec, int on); |
||
| 284 | /* Digital mode control */ |
||
| 285 | int (*digital)(struct ac97_codec *codec, int slots, int rate, int mode); |
||
| 286 | #define AUDIO_DIGITAL 0x8000 |
||
| 287 | #define AUDIO_PRO 0x4000 |
||
| 288 | #define AUDIO_DRS 0x2000 |
||
| 289 | #define AUDIO_CCMASK 0x003F |
||
| 290 | |||
| 291 | #define AC97_DELUDED_MODEM 1 /* Audio codec reports its a modem */ |
||
| 292 | #define AC97_NO_PCM_VOLUME 2 /* Volume control is missing */ |
||
| 293 | }; |
||
| 294 | |||
| 295 | extern int ac97_read_proc (char *page_out, char **start, off_t off, |
||
| 296 | int count, int *eof, void *data); |
||
| 297 | extern int ac97_probe_codec(struct ac97_codec *); |
||
| 298 | extern unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate); |
||
| 299 | extern unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate); |
||
| 300 | extern int ac97_save_state(struct ac97_codec *codec); |
||
| 301 | extern int ac97_restore_state(struct ac97_codec *codec); |
||
| 302 | |||
| 303 | extern struct ac97_codec *ac97_alloc_codec(void); |
||
| 304 | extern void ac97_release_codec(struct ac97_codec *codec); |
||
| 305 | |||
| 306 | struct ac97_driver { |
||
| 307 | struct list_head list; |
||
| 308 | char *name; |
||
| 309 | u32 codec_id; |
||
| 310 | u32 codec_mask; |
||
| 311 | int (*probe) (struct ac97_codec *codec, struct ac97_driver *driver); |
||
| 312 | void (*remove) (struct ac97_codec *codec, struct ac97_driver *driver); |
||
| 313 | }; |
||
| 314 | |||
| 315 | extern int ac97_register_driver(struct ac97_driver *driver); |
||
| 316 | extern void ac97_unregister_driver(struct ac97_driver *driver); |
||
| 317 | |||
| 318 | #endif /* _AC97_CODEC_H_ */ |