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   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 <asm/io.h>
  23 #include <linux/init.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <sound/core.h>
  27 #include "pmac.h"
  28 #include "burgundy.h"
  29
  30
  31 /* Waits for busy flag to clear */
  32 static inline void
  33 snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
  34 {
  35         int timeout = 50;
  36         while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
  37                 udelay(1);
  38         if (! timeout)
  39                 printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
  40 }
  41
  42 static inline void
  43 snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
  44 {
  45         int timeout;
  46         timeout = 50;
  47         while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
  48                 udelay(1);
  49         if (! timeout)
  50                 printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
  51         timeout = 50;
  52         while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
  53                 udelay(1);
  54         if (! timeout)
  55                 printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
  56 }
  57
  58 static void
  59 snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
  60 {
  61         out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
  62         snd_pmac_burgundy_busy_wait(chip);
  63         out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
  64         snd_pmac_burgundy_busy_wait(chip);
  65         out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
  66         snd_pmac_burgundy_busy_wait(chip);
  67         out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
  68         snd_pmac_burgundy_busy_wait(chip);
  69 }
  70
  71 static unsigned
  72 snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
  73 {
  74         unsigned val = 0;
  75         unsigned long flags;
  76
  77         spin_lock_irqsave(&chip->reg_lock, flags);
  78
  79         out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
  80         snd_pmac_burgundy_busy_wait(chip);
  81         snd_pmac_burgundy_extend_wait(chip);
  82         val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
  83
  84         out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
  85         snd_pmac_burgundy_busy_wait(chip);
  86         snd_pmac_burgundy_extend_wait(chip);
  87         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
  88
  89         out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
  90         snd_pmac_burgundy_busy_wait(chip);
  91         snd_pmac_burgundy_extend_wait(chip);
  92         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
  93
  94         out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
  95         snd_pmac_burgundy_busy_wait(chip);
  96         snd_pmac_burgundy_extend_wait(chip);
  97         val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
  98
  99         spin_unlock_irqrestore(&chip->reg_lock, flags);
 100
 101         return val;
 102 }
 103
 104 static void
 105 snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr, unsigned int val)
 106 {
 107         out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
 108         snd_pmac_burgundy_busy_wait(chip);
 109 }
 110
 111 static unsigned
 112 snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
 113 {
 114         unsigned val = 0;
 115         unsigned long flags;
 116
 117         spin_lock_irqsave(&chip->reg_lock, flags);
 118
 119         out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
 120         snd_pmac_burgundy_busy_wait(chip);
 121         snd_pmac_burgundy_extend_wait(chip);
 122         val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
 123
 124         spin_unlock_irqrestore(&chip->reg_lock, flags);
 125
 126         return val;
 127 }
 128
 129 /*
 130  * Burgundy volume: 0 - 100, stereo
 131  */
 132 static void
 133 snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
 134                                long *volume, int shift)
 135 {
 136         int hardvolume, lvolume, rvolume;
 137
 138         if (volume[0] < 0 || volume[0] > 100 ||
 139             volume[1] < 0 || volume[1] > 100)
 140                 return; /* -EINVAL */
 141         lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
 142         rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
 143
 144         hardvolume = lvolume + (rvolume << shift);
 145         if (shift == 8)
 146                 hardvolume |= hardvolume << 16;
 147
 148         snd_pmac_burgundy_wcw(chip, address, hardvolume);
 149 }
 150
 151 static void
 152 snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
 153                               long *volume, int shift)
 154 {
 155         int wvolume;
 156
 157         wvolume = snd_pmac_burgundy_rcw(chip, address);
 158
 159         volume[0] = wvolume & 0xff;
 160         if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
 161                 volume[0] -= BURGUNDY_VOLUME_OFFSET;
 162         else
 163                 volume[0] = 0;
 164         volume[1] = (wvolume >> shift) & 0xff;
 165         if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
 166                 volume[1] -= BURGUNDY_VOLUME_OFFSET;
 167         else
 168                 volume[1] = 0;
 169 }
 170
 171
 172 /*
 173  */
 174
 175 #define BASE2ADDR(base) ((base) << 12)
 176 #define ADDR2BASE(addr) ((addr) >> 12)
 177
 178 static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
 179                                          struct snd_ctl_elem_info *uinfo)
 180 {
 181         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 182         uinfo->count = 2;
 183         uinfo->value.integer.min = 0;
 184         uinfo->value.integer.max = 100;
 185         return 0;
 186 }
 187
 188 static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
 189                                         struct snd_ctl_elem_value *ucontrol)
 190 {
 191         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 192         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 193         int shift = (kcontrol->private_value >> 8) & 0xff;
 194         snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value,
 195                                       shift);
 196         return 0;
 197 }
 198
 199 static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
 200                                         struct snd_ctl_elem_value *ucontrol)
 201 {
 202         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 203         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 204         int shift = (kcontrol->private_value >> 8) & 0xff;
 205         long nvoices[2];
 206
 207         snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value,
 208                                        shift);
 209         snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
 210         return (nvoices[0] != ucontrol->value.integer.value[0] ||
 211                 nvoices[1] != ucontrol->value.integer.value[1]);
 212 }
 213
 214 #define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
 215 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 216   .info = snd_pmac_burgundy_info_volume,\
 217   .get = snd_pmac_burgundy_get_volume,\
 218   .put = snd_pmac_burgundy_put_volume,\
 219   .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
 220
 221 /* lineout/speaker */
 222
 223 static int snd_pmac_burgundy_info_switch_out(struct snd_kcontrol *kcontrol,
 224                                              struct snd_ctl_elem_info *uinfo)
 225 {
 226         int stereo = (kcontrol->private_value >> 24) & 1;
 227         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 228         uinfo->count = stereo + 1;
 229         uinfo->value.integer.min = 0;
 230         uinfo->value.integer.max = 1;
 231         return 0;
 232 }
 233
 234 static int snd_pmac_burgundy_get_switch_out(struct snd_kcontrol *kcontrol,
 235                                             struct snd_ctl_elem_value *ucontrol)
 236 {
 237         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 238         int lmask = kcontrol->private_value & 0xff;
 239         int rmask = (kcontrol->private_value >> 8) & 0xff;
 240         int stereo = (kcontrol->private_value >> 24) & 1;
 241         int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 242         ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
 243         if (stereo)
 244                 ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
 245         return 0;
 246 }
 247
 248 static int snd_pmac_burgundy_put_switch_out(struct snd_kcontrol *kcontrol,
 249                                             struct snd_ctl_elem_value *ucontrol)
 250 {
 251         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 252         int lmask = kcontrol->private_value & 0xff;
 253         int rmask = (kcontrol->private_value >> 8) & 0xff;
 254         int stereo = (kcontrol->private_value >> 24) & 1;
 255         int val, oval;
 256         oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 257         val = oval & ~(lmask | rmask);
 258         if (ucontrol->value.integer.value[0])
 259                 val |= lmask;
 260         if (stereo && ucontrol->value.integer.value[1])
 261                 val |= rmask;
 262         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
 263         return val != oval;
 264 }
 265
 266 #define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
 267 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 268   .info = snd_pmac_burgundy_info_switch_out,\
 269   .get = snd_pmac_burgundy_get_switch_out,\
 270   .put = snd_pmac_burgundy_put_switch_out,\
 271   .private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
 272
 273 /* line/speaker output volume */
 274 static int snd_pmac_burgundy_info_volume_out(struct snd_kcontrol *kcontrol,
 275                                              struct snd_ctl_elem_info *uinfo)
 276 {
 277         int stereo = (kcontrol->private_value >> 24) & 1;
 278         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 279         uinfo->count = stereo + 1;
 280         uinfo->value.integer.min = 0;
 281         uinfo->value.integer.max = 15;
 282         return 0;
 283 }
 284
 285 static int snd_pmac_burgundy_get_volume_out(struct snd_kcontrol *kcontrol,
 286                                             struct snd_ctl_elem_value *ucontrol)
 287 {
 288         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 289         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 290         int stereo = (kcontrol->private_value >> 24) & 1;
 291         int oval;
 292
 293         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 294         ucontrol->value.integer.value[0] = oval & 0xf;
 295         if (stereo)
 296                 ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
 297         return 0;
 298 }
 299
 300 static int snd_pmac_burgundy_put_volume_out(struct snd_kcontrol *kcontrol,
 301                                             struct snd_ctl_elem_value *ucontrol)
 302 {
 303         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
 304         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 305         int stereo = (kcontrol->private_value >> 24) & 1;
 306         unsigned int oval, val;
 307
 308         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 309         val = ucontrol->value.integer.value[0] & 15;
 310         if (stereo)
 311                 val |= (ucontrol->value.integer.value[1] & 15) << 4;
 312         else
 313                 val |= val << 4;
 314         val = ~val & 0xff;
 315         snd_pmac_burgundy_wcb(chip, addr, val);
 316         return val != oval;
 317 }
 318
 319 #define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
 320 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 321   .info = snd_pmac_burgundy_info_volume_out,\
 322   .get = snd_pmac_burgundy_get_volume_out,\
 323   .put = snd_pmac_burgundy_put_volume_out,\
 324   .private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
 325
 326 static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __initdata = {
 327         BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
 328         BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
 329         BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
 330         BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
 331         BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
 332         /*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
 333         BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
 334 };
 335 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw __initdata =
 336 BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
 337 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw __initdata =
 338 BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
 339
 340
 341 #ifdef PMAC_SUPPORT_AUTOMUTE
 342 /*
 343  * auto-mute stuffs
 344  */
 345 static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
 346 {
 347         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 348 }
 349
 350 static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
 351 {
 352         if (chip->auto_mute) {
 353                 int reg, oreg;
 354                 reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 355                 reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
 356                 if (snd_pmac_burgundy_detect_headphone(chip))
 357                         reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
 358                 else
 359                         reg |= BURGUNDY_OUTPUT_INTERN;
 360                 if (do_notify && reg == oreg)
 361                         return;
 362                 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
 363                 if (do_notify) {
 364                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 365                                        &chip->master_sw_ctl->id);
 366                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 367                                        &chip->speaker_sw_ctl->id);
 368                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 369                                        &chip->hp_detect_ctl->id);
 370                 }
 371         }
 372 }
 373 #endif /* PMAC_SUPPORT_AUTOMUTE */
 374
 375
 376 /*
 377  * initialize burgundy
 378  */
 379 int __init snd_pmac_burgundy_init(struct snd_pmac *chip)
 380 {
 381         int i, err;
 382
 383         /* Checks to see the chip is alive and kicking */
 384         if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
 385                 printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
 386                 return 1;
 387         }
 388
 389         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
 390                            DEF_BURGUNDY_OUTPUTENABLES);
 391         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
 392                            DEF_BURGUNDY_MORE_OUTPUTENABLES);
 393         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
 394                            DEF_BURGUNDY_OUTPUTSELECTS);
 395
 396         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
 397                            DEF_BURGUNDY_INPSEL21);
 398         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
 399                            DEF_BURGUNDY_INPSEL3);
 400         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
 401                            DEF_BURGUNDY_GAINCD);
 402         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
 403                            DEF_BURGUNDY_GAINLINE);
 404         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
 405                            DEF_BURGUNDY_GAINMIC);
 406         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
 407                            DEF_BURGUNDY_GAINMODEM);
 408
 409         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
 410                            DEF_BURGUNDY_ATTENSPEAKER);
 411         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
 412                            DEF_BURGUNDY_ATTENLINEOUT);
 413         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
 414                            DEF_BURGUNDY_ATTENHP);
 415
 416         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
 417                            DEF_BURGUNDY_MASTER_VOLUME);
 418         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
 419                            DEF_BURGUNDY_VOLCD);
 420         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
 421                            DEF_BURGUNDY_VOLLINE);
 422         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
 423                            DEF_BURGUNDY_VOLMIC);
 424
 425         if (chip->hp_stat_mask == 0)
 426                 /* set headphone-jack detection bit */
 427                 chip->hp_stat_mask = 0x04;
 428
 429         /*
 430          * build burgundy mixers
 431          */
 432         strcpy(chip->card->mixername, "PowerMac Burgundy");
 433
 434         for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
 435                 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
 436                         return err;
 437         }
 438         chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_sw, chip);
 439         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 440                 return err;
 441         chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_speaker_sw, chip);
 442         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 443                 return err;
 444 #ifdef PMAC_SUPPORT_AUTOMUTE
 445         if ((err = snd_pmac_add_automute(chip)) < 0)
 446                 return err;
 447
 448         chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
 449         chip->update_automute = snd_pmac_burgundy_update_automute;
 450         snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
 451 #endif
 452
 453         return 0;
 454 }