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 inline static void
  34 snd_pmac_burgundy_busy_wait(pmac_t *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 inline static void
  44 snd_pmac_burgundy_extend_wait(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *chip, unsigned int address, long *volume, int shift)
 135 {
 136         int hardvolume, lvolume, rvolume;
 137
 138         lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
 139         rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
 140
 141         hardvolume = lvolume + (rvolume << shift);
 142         if (shift == 8)
 143                 hardvolume |= hardvolume << 16;
 144
 145         snd_pmac_burgundy_wcw(chip, address, hardvolume);
 146 }
 147
 148 static void
 149 snd_pmac_burgundy_read_volume(pmac_t *chip, unsigned int address, long *volume, int shift)
 150 {
 151         int wvolume;
 152
 153         wvolume = snd_pmac_burgundy_rcw(chip, address);
 154
 155         volume[0] = wvolume & 0xff;
 156         if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
 157                 volume[0] -= BURGUNDY_VOLUME_OFFSET;
 158         else
 159                 volume[0] = 0;
 160         volume[1] = (wvolume >> shift) & 0xff;
 161         if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
 162                 volume[1] -= BURGUNDY_VOLUME_OFFSET;
 163         else
 164                 volume[1] = 0;
 165 }
 166
 167
 168 /*
 169  */
 170
 171 #define BASE2ADDR(base) ((base) << 12)
 172 #define ADDR2BASE(addr) ((addr) >> 12)
 173
 174 static int snd_pmac_burgundy_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 175 {
 176         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 177         uinfo->count = 2;
 178         uinfo->value.integer.min = 0;
 179         uinfo->value.integer.max = 100;
 180         return 0;
 181 }
 182
 183 static int snd_pmac_burgundy_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 184 {
 185         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 186         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 187         int shift = (kcontrol->private_value >> 8) & 0xff;
 188         snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value, shift);
 189         return 0;
 190 }
 191
 192 static int snd_pmac_burgundy_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 193 {
 194         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 195         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 196         int shift = (kcontrol->private_value >> 8) & 0xff;
 197         long nvoices[2];
 198
 199         snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value, shift);
 200         snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
 201         return (nvoices[0] != ucontrol->value.integer.value[0] ||
 202                 nvoices[1] != ucontrol->value.integer.value[1]);
 203 }
 204
 205 #define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
 206 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 207   .info = snd_pmac_burgundy_info_volume,\
 208   .get = snd_pmac_burgundy_get_volume,\
 209   .put = snd_pmac_burgundy_put_volume,\
 210   .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
 211
 212 /* lineout/speaker */
 213
 214 static int snd_pmac_burgundy_info_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 215 {
 216         int stereo = (kcontrol->private_value >> 24) & 1;
 217         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 218         uinfo->count = stereo + 1;
 219         uinfo->value.integer.min = 0;
 220         uinfo->value.integer.max = 1;
 221         return 0;
 222 }
 223
 224 static int snd_pmac_burgundy_get_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 225 {
 226         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 227         int lmask = kcontrol->private_value & 0xff;
 228         int rmask = (kcontrol->private_value >> 8) & 0xff;
 229         int stereo = (kcontrol->private_value >> 24) & 1;
 230         int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 231         ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
 232         if (stereo)
 233                 ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
 234         return 0;
 235 }
 236
 237 static int snd_pmac_burgundy_put_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 238 {
 239         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 240         int lmask = kcontrol->private_value & 0xff;
 241         int rmask = (kcontrol->private_value >> 8) & 0xff;
 242         int stereo = (kcontrol->private_value >> 24) & 1;
 243         int val, oval;
 244         oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 245         val = oval & ~(lmask | rmask);
 246         if (ucontrol->value.integer.value[0])
 247                 val |= lmask;
 248         if (stereo && ucontrol->value.integer.value[1])
 249                 val |= rmask;
 250         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
 251         return val != oval;
 252 }
 253
 254 #define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
 255 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 256   .info = snd_pmac_burgundy_info_switch_out,\
 257   .get = snd_pmac_burgundy_get_switch_out,\
 258   .put = snd_pmac_burgundy_put_switch_out,\
 259   .private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
 260
 261 /* line/speaker output volume */
 262 static int snd_pmac_burgundy_info_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 263 {
 264         int stereo = (kcontrol->private_value >> 24) & 1;
 265         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 266         uinfo->count = stereo + 1;
 267         uinfo->value.integer.min = 0;
 268         uinfo->value.integer.max = 15;
 269         return 0;
 270 }
 271
 272 static int snd_pmac_burgundy_get_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 273 {
 274         pmac_t *chip = snd_kcontrol_chip(kcontrol);
 275         unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
 276         int stereo = (kcontrol->private_value >> 24) & 1;
 277         int oval;
 278
 279         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 280         ucontrol->value.integer.value[0] = oval & 0xf;
 281         if (stereo)
 282                 ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
 283         return 0;
 284 }
 285
 286 static int snd_pmac_burgundy_put_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 287 {
 288         pmac_t *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, val;
 292
 293         oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
 294         val = ucontrol->value.integer.value[0];
 295         if (stereo)
 296                 val |= ucontrol->value.integer.value[1] << 4;
 297         else
 298                 val |= ucontrol->value.integer.value[0] << 4;
 299         val = ~val & 0xff;
 300         snd_pmac_burgundy_wcb(chip, addr, val);
 301         return val != oval;
 302 }
 303
 304 #define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
 305 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
 306   .info = snd_pmac_burgundy_info_volume_out,\
 307   .get = snd_pmac_burgundy_get_volume_out,\
 308   .put = snd_pmac_burgundy_put_volume_out,\
 309   .private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
 310
 311 static snd_kcontrol_new_t snd_pmac_burgundy_mixers[] __initdata = {
 312         BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
 313         BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
 314         BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
 315         BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
 316         BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
 317         /*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
 318         BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
 319 };
 320 static snd_kcontrol_new_t snd_pmac_burgundy_master_sw __initdata =
 321 BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
 322 static snd_kcontrol_new_t snd_pmac_burgundy_speaker_sw __initdata =
 323 BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
 324
 325
 326 #ifdef PMAC_SUPPORT_AUTOMUTE
 327 /*
 328  * auto-mute stuffs
 329  */
 330 static int snd_pmac_burgundy_detect_headphone(pmac_t *chip)
 331 {
 332         return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
 333 }
 334
 335 static void snd_pmac_burgundy_update_automute(pmac_t *chip, int do_notify)
 336 {
 337         if (chip->auto_mute) {
 338                 int reg, oreg;
 339                 reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
 340                 reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
 341                 if (snd_pmac_burgundy_detect_headphone(chip))
 342                         reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
 343                 else
 344                         reg |= BURGUNDY_OUTPUT_INTERN;
 345                 if (do_notify && reg == oreg)
 346                         return;
 347                 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
 348                 if (do_notify) {
 349                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 350                                        &chip->master_sw_ctl->id);
 351                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 352                                        &chip->speaker_sw_ctl->id);
 353                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 354                                        &chip->hp_detect_ctl->id);
 355                 }
 356         }
 357 }
 358 #endif /* PMAC_SUPPORT_AUTOMUTE */
 359
 360
 361 /*
 362  * initialize burgundy
 363  */
 364 int __init snd_pmac_burgundy_init(pmac_t *chip)
 365 {
 366         int i, err;
 367
 368         /* Checks to see the chip is alive and kicking */
 369         if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
 370                 printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
 371                 return 1;
 372         }
 373
 374         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
 375                            DEF_BURGUNDY_OUTPUTENABLES);
 376         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
 377                            DEF_BURGUNDY_MORE_OUTPUTENABLES);
 378         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
 379                            DEF_BURGUNDY_OUTPUTSELECTS);
 380
 381         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
 382                            DEF_BURGUNDY_INPSEL21);
 383         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
 384                            DEF_BURGUNDY_INPSEL3);
 385         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
 386                            DEF_BURGUNDY_GAINCD);
 387         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
 388                            DEF_BURGUNDY_GAINLINE);
 389         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
 390                            DEF_BURGUNDY_GAINMIC);
 391         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
 392                            DEF_BURGUNDY_GAINMODEM);
 393
 394         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
 395                            DEF_BURGUNDY_ATTENSPEAKER);
 396         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
 397                            DEF_BURGUNDY_ATTENLINEOUT);
 398         snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
 399                            DEF_BURGUNDY_ATTENHP);
 400
 401         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
 402                            DEF_BURGUNDY_MASTER_VOLUME);
 403         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
 404                            DEF_BURGUNDY_VOLCD);
 405         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
 406                            DEF_BURGUNDY_VOLLINE);
 407         snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
 408                            DEF_BURGUNDY_VOLMIC);
 409
 410         if (chip->hp_stat_mask == 0)
 411                 /* set headphone-jack detection bit */
 412                 chip->hp_stat_mask = 0x04;
 413
 414         /*
 415          * build burgundy mixers
 416          */
 417         strcpy(chip->card->mixername, "PowerMac Burgundy");
 418
 419         for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
 420                 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
 421                         return err;
 422         }
 423         chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_sw, chip);
 424         if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
 425                 return err;
 426         chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_speaker_sw, chip);
 427         if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
 428                 return err;
 429 #ifdef PMAC_SUPPORT_AUTOMUTE
 430         if ((err = snd_pmac_add_automute(chip)) < 0)
 431                 return err;
 432
 433         chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
 434         chip->update_automute = snd_pmac_burgundy_update_automute;
 435         snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
 436 #endif
 437
 438         return 0;
 439 }