git.oblomov.eu Git - linux-2.6/blob - sound/ppc/burgundy.c

   1 /*
   2  * PMac Burgundy lowlevel functions
   3  *
   4  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
   5  * code based on dmasound.c.
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License as published by
   9  *   the Free Software Foundation; either version 2 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <asm/io.h>
  24 #include <linux/init.h>
  25 #include <linux/slab.h>
  26 #include <linux/delay.h>
  27 #include <sound/core.h>
  28 #include "pmac.h"
  29 #include "burgundy.h"
  30
  31
  32 /* Waits for busy flag to clear */
  33 static inline void
  34 snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
  35 {
  36         int timeout = 50;
  37         while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
  38                 udelay(1);
  39         if (! timeout)
  40                 printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
  41 }
  42
  43 static inline void
  44 snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
  45 {
  46         int timeout;
  47         timeout = 50;
  48         while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
  49                 udelay(1);
  50         if (! timeout)
  51                 printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
  52         timeout = 50;
  53         while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
  54                 udelay(1);
  55         if (! timeout)
  56                 printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
  57 }
  58
  59 static void
  60 snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
  61 {
  62         out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
  63         snd_pmac_burgundy_busy_wait(chip);
  64         out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
  65         snd_pmac_burgundy_busy_wait(chip);
  66         out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
  67         snd_pmac_burgundy_busy_wait(chip);
  68         out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
  69         snd_pmac_burgundy_busy_wait(chip);
  70 }
  71
  72 static unsigned
  73 snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
  74 {
  75         unsigned val = 0;
  76         unsigned long flags;
  77
  78         spin_lock_irqsave(&chip->reg_lock, flags);
  79
  80         out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
  81         snd_pmac_burgundy_busy_wait(chip);
  82         snd_pmac_burgundy_extend_wait(chip);
  83         val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
  84
  85         out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
  86         snd_pmac_burgundy_busy_wait(chip);
  87         snd_pmac_burgundy_extend_wait(chip);
  88         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
  89
  90         out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
  91         snd_pmac_burgundy_busy_wait(chip);
  92         snd_pmac_burgundy_extend_wait(chip);
  93         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
  94
  95         out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
  96         snd_pmac_burgundy_busy_wait(chip);
  97         snd_pmac_burgundy_extend_wait(chip);
  98         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
  99
 100         spin_unlock_irqrestore(&chip->reg_lock, flags);
 101
 102         return val;
 103 }
 104
 105 static void
 106 snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr, unsigned int val)
 107 {
 108         out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
 109         snd_pmac_burgundy_busy_wait(chip);
 110 }
 111
 112 static unsigned
 113 snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
 114 {
 115         unsigned val = 0;
 116         unsigned long flags;
 117
 118         spin_lock_irqsave(&chip->reg_lock, flags);
 119
 120         out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
 121         snd_pmac_burgundy_busy_wait(chip);
 122         snd_pmac_burgundy_extend_wait(chip);
 123         val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
 124
 125         spin_unlock_irqrestore(&chip->reg_lock, flags);
 126
 127         return val;
 128 }
 129
 130 /*
 131  * Burgundy volume: 0 - 100, stereo
 132  */
 133 static void
 134 snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
 135                                long *volume, int shift)
 136 {
 137         int hardvolume, lvolume, rvolume;
 138
 139         lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
 140         rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
 141
 142         hardvolume = lvolume + (rvolume << shift);
 143         if (shift == 8)
 144                 hardvolume |= hardvolume << 16;
 145
 146         snd_pmac_burgundy_wcw(chip, address, hardvolume);
 147 }
 148
 149 static void
 150 snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
 151                               long *volume, int shift)
 152 {
 153         int wvolume;
 154
 155         wvolume = snd_pmac_burgundy_rcw(chip, address);
 156
 157         volume[0] = wvolume & 0xff;
 158         if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
 159                 volume[0] -= BURGUNDY_VOLUME_OFFSET;
 160         else
 161                 volume[0] = 0;
 162         volume[1] = (wvolume >> shift) & 0xff;
 163         if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
 164                 volume[1] -= BURGUNDY_VOLUME_OFFSET;
 165         else
 166                 volume[1] = 0;
 167 }
 168
 169
 170 /*
 171  */
 172
 173 #define BASE2ADDR(base) ((base) << 12)
 174 #define ADDR2BASE(addr) ((addr) >> 12)
 175
 176 static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
 177                                          struct snd_ctl_elem_info *uinfo)
 178 {
 179         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 180         uinfo->count = 2;
 181         uinfo->value.integer.min = 0;
 182         uinfo->value.integer.max = 100;
 183         return 0;
 184 }
 185
 186 static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
 187                                         struct snd_ctl_elem_value *ucontrol)
 188 {
 189         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 190         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 191         int shift = (kcontrol->private_value >> 8) & 0xff;
 192         snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value,
 193                                       shift);
 194         return 0;
 195 }
 196
 197 static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
 198                                         struct snd_ctl_elem_value *ucontrol)
 199 {
 200         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 201         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 202         int shift = (kcontrol->private_value >> 8) & 0xff;
 203         long nvoices[2];
 204
 205         snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value,
 206                                        shift);
 207         snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
 208         return (nvoices[0] != ucontrol->value.integer.value[0] ||
 209                 nvoices[1] != ucontrol->value.integer.value[1]);
 210 }
 211
 212 #define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
 213 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 214   .info = snd_pmac_burgundy_info_volume,\
 215   .get = snd_pmac_burgundy_get_volume,\
 216   .put = snd_pmac_burgundy_put_volume,\
 217   .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
 218
 219 /* lineout/speaker */
 220
 221 static int snd_pmac_burgundy_info_switch_out(struct snd_kcontrol *kcontrol,
 222                                              struct snd_ctl_elem_info *uinfo)
 223 {
 224         int stereo = (kcontrol->private_value >> 24) & 1;
 225         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 226         uinfo->count = stereo + 1;
 227         uinfo->value.integer.min = 0;
 228         uinfo->value.integer.max = 1;
 229         return 0;
 230 }
 231
 232 static int snd_pmac_burgundy_get_switch_out(struct snd_kcontrol *kcontrol,
 233                                             struct snd_ctl_elem_value *ucontrol)
 234 {
 235         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 236         int lmask = kcontrol->private_value & 0xff;
 237         int rmask = (kcontrol->private_value >> 8) & 0xff;
 238         int stereo = (kcontrol->private_value >> 24) & 1;
 239         int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 240         ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
 241         if (stereo)
 242                 ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
 243         return 0;
 244 }
 245
 246 static int snd_pmac_burgundy_put_switch_out(struct snd_kcontrol *kcontrol,
 247                                             struct snd_ctl_elem_value *ucontrol)
 248 {
 249         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 250         int lmask = kcontrol->private_value & 0xff;
 251         int rmask = (kcontrol->private_value >> 8) & 0xff;
 252         int stereo = (kcontrol->private_value >> 24) & 1;
 253         int val, oval;
 254         oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 255         val = oval & ~(lmask | rmask);
 256         if (ucontrol->value.integer.value[0])
 257                 val |= lmask;
 258         if (stereo && ucontrol->value.integer.value[1])
 259                 val |= rmask;
 260         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
 261         return val != oval;
 262 }
 263
 264 #define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
 265 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 266   .info = snd_pmac_burgundy_info_switch_out,\
 267   .get = snd_pmac_burgundy_get_switch_out,\
 268   .put = snd_pmac_burgundy_put_switch_out,\
 269   .private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
 270
 271 /* line/speaker output volume */
 272 static int snd_pmac_burgundy_info_volume_out(struct snd_kcontrol *kcontrol,
 273                                              struct snd_ctl_elem_info *uinfo)
 274 {
 275         int stereo = (kcontrol->private_value >> 24) & 1;
 276         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 277         uinfo->count = stereo + 1;
 278         uinfo->value.integer.min = 0;
 279         uinfo->value.integer.max = 15;
 280         return 0;
 281 }
 282
 283 static int snd_pmac_burgundy_get_volume_out(struct snd_kcontrol *kcontrol,
 284                                             struct snd_ctl_elem_value *ucontrol)
 285 {
 286         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 287         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 288         int stereo = (kcontrol->private_value >> 24) & 1;
 289         int oval;
 290
 291         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 292         ucontrol->value.integer.value[0] = oval & 0xf;
 293         if (stereo)
 294                 ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
 295         return 0;
 296 }
 297
 298 static int snd_pmac_burgundy_put_volume_out(struct snd_kcontrol *kcontrol,
 299                                             struct snd_ctl_elem_value *ucontrol)
 300 {
 301         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 302         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 303         int stereo = (kcontrol->private_value >> 24) & 1;
 304         int oval, val;
 305
 306         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 307         val = ucontrol->value.integer.value[0];
 308         if (stereo)
 309                 val |= ucontrol->value.integer.value[1] << 4;
 310         else
 311                 val |= ucontrol->value.integer.value[0] << 4;
 312         val = ~val & 0xff;
 313         snd_pmac_burgundy_wcb(chip, addr, val);
 314         return val != oval;
 315 }
 316
 317 #define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
 318 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 319   .info = snd_pmac_burgundy_info_volume_out,\
 320   .get = snd_pmac_burgundy_get_volume_out,\
 321   .put = snd_pmac_burgundy_put_volume_out,\
 322   .private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
 323
 324 static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __initdata = {
 325         BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
 326         BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
 327         BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
 328         BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
 329         BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
 330         /*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
 331         BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
 332 };
 333 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw __initdata =
 334 BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
 335 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw __initdata =
 336 BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
 337
 338
 339 #ifdef PMAC_SUPPORT_AUTOMUTE
 340 /*
 341  * auto-mute stuffs
 342  */
 343 static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
 344 {
 345         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 346 }
 347
 348 static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
 349 {
 350         if (chip->auto_mute) {
 351                 int reg, oreg;
 352                 reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 353                 reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
 354                 if (snd_pmac_burgundy_detect_headphone(chip))
 355                         reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
 356                 else
 357                         reg |= BURGUNDY_OUTPUT_INTERN;
 358                 if (do_notify && reg == oreg)
 359                         return;
 360                 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
 361                 if (do_notify) {
 362                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 363                                        &chip->master_sw_ctl->id);
 364                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 365                                        &chip->speaker_sw_ctl->id);
 366                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 367                                        &chip->hp_detect_ctl->id);
 368                 }
 369         }
 370 }
 371 #endif /* PMAC_SUPPORT_AUTOMUTE */
 372
 373
 374 /*
 375  * initialize burgundy
 376  */
 377 int __init snd_pmac_burgundy_init(struct snd_pmac *chip)
 378 {
 379         int i, err;
 380
 381         /* Checks to see the chip is alive and kicking */
 382         if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
 383                 printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
 384                 return 1;
 385         }
 386
 387         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
 388                            DEF_BURGUNDY_OUTPUTENABLES);
 389         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
 390                            DEF_BURGUNDY_MORE_OUTPUTENABLES);
 391         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
 392                            DEF_BURGUNDY_OUTPUTSELECTS);
 393
 394         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
 395                            DEF_BURGUNDY_INPSEL21);
 396         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
 397                            DEF_BURGUNDY_INPSEL3);
 398         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
 399                            DEF_BURGUNDY_GAINCD);
 400         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
 401                            DEF_BURGUNDY_GAINLINE);
 402         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
 403                            DEF_BURGUNDY_GAINMIC);
 404         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
 405                            DEF_BURGUNDY_GAINMODEM);
 406
 407         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
 408                            DEF_BURGUNDY_ATTENSPEAKER);
 409         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
 410                            DEF_BURGUNDY_ATTENLINEOUT);
 411         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
 412                            DEF_BURGUNDY_ATTENHP);
 413
 414         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
 415                            DEF_BURGUNDY_MASTER_VOLUME);
 416         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
 417                            DEF_BURGUNDY_VOLCD);
 418         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
 419                            DEF_BURGUNDY_VOLLINE);
 420         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
 421                            DEF_BURGUNDY_VOLMIC);
 422
 423         if (chip->hp_stat_mask == 0)
 424                 /* set headphone-jack detection bit */
 425                 chip->hp_stat_mask = 0x04;
 426
 427         /*
 428          * build burgundy mixers
 429          */
 430         strcpy(chip->card->mixername, "PowerMac Burgundy");
 431
 432         for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
 433                 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
 434                         return err;
 435         }
 436         chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_sw, chip);
 437         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 438                 return err;
 439         chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_speaker_sw, chip);
 440         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 441                 return err;
 442 #ifdef PMAC_SUPPORT_AUTOMUTE
 443         if ((err = snd_pmac_add_automute(chip)) < 0)
 444                 return err;
 445
 446         chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
 447         chip->update_automute = snd_pmac_burgundy_update_automute;
 448         snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
 449 #endif
 450
 451         return 0;
 452 }