sound/pci/ac97/ak4531_codec.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   3  *  Universal routines for AK4531 codec
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/delay.h>
  24 #include <linux/init.h>
  25 #include <linux/slab.h>
  26 #include <sound/core.h>
  27 #include <sound/ak4531_codec.h>
  28
  29 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  30 MODULE_DESCRIPTION("Universal routines for AK4531 codec");
  31 MODULE_LICENSE("GPL");
  32
  33 static void snd_ak4531_proc_init(snd_card_t * card, ak4531_t * ak4531);
  34
  35 /*
  36  *
  37  */
  38
  39 #if 0
  40
  41 static void snd_ak4531_dump(ak4531_t *ak4531)
  42 {
  43         int idx;
  44
  45         for (idx = 0; idx < 0x19; idx++)
  46                 printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]);
  47 }
  48
  49 #endif
  50
  51 /*
  52  *
  53  */
  54
  55 #define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
  56 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  57   .info = snd_ak4531_info_single, \
  58   .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
  59   .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) }
  60
  61 static int snd_ak4531_info_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
  62 {
  63         int mask = (kcontrol->private_value >> 24) & 0xff;
  64
  65         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
  66         uinfo->count = 1;
  67         uinfo->value.integer.min = 0;
  68         uinfo->value.integer.max = mask;
  69         return 0;
  70 }
  71
  72 static int snd_ak4531_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
  73 {
  74         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
  75         int reg = kcontrol->private_value & 0xff;
  76         int shift = (kcontrol->private_value >> 16) & 0x07;
  77         int mask = (kcontrol->private_value >> 24) & 0xff;
  78         int invert = (kcontrol->private_value >> 22) & 1;
  79         int val;
  80
  81         down(&ak4531->reg_mutex);
  82         val = (ak4531->regs[reg] >> shift) & mask;
  83         up(&ak4531->reg_mutex);
  84         if (invert) {
  85                 val = mask - val;
  86         }
  87         ucontrol->value.integer.value[0] = val;
  88         return 0;
  89 }
  90
  91 static int snd_ak4531_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
  92 {
  93         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
  94         int reg = kcontrol->private_value & 0xff;
  95         int shift = (kcontrol->private_value >> 16) & 0x07;
  96         int mask = (kcontrol->private_value >> 24) & 0xff;
  97         int invert = (kcontrol->private_value >> 22) & 1;
  98         int change;
  99         int val;
 100
 101         val = ucontrol->value.integer.value[0] & mask;
 102         if (invert) {
 103                 val = mask - val;
 104         }
 105         val <<= shift;
 106         down(&ak4531->reg_mutex);
 107         val = (ak4531->regs[reg] & ~(mask << shift)) | val;
 108         change = val != ak4531->regs[reg];
 109         ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
 110         up(&ak4531->reg_mutex);
 111         return change;
 112 }
 113
 114 #define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
 115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 116   .info = snd_ak4531_info_double, \
 117   .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
 118   .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) }
 119
 120 static int snd_ak4531_info_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
 121 {
 122         int mask = (kcontrol->private_value >> 24) & 0xff;
 123
 124         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 125         uinfo->count = 2;
 126         uinfo->value.integer.min = 0;
 127         uinfo->value.integer.max = mask;
 128         return 0;
 129 }
 130
 131 static int snd_ak4531_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 132 {
 133         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
 134         int left_reg = kcontrol->private_value & 0xff;
 135         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 136         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 137         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 138         int mask = (kcontrol->private_value >> 24) & 0xff;
 139         int invert = (kcontrol->private_value >> 22) & 1;
 140         int left, right;
 141
 142         down(&ak4531->reg_mutex);
 143         left = (ak4531->regs[left_reg] >> left_shift) & mask;
 144         right = (ak4531->regs[right_reg] >> right_shift) & mask;
 145         up(&ak4531->reg_mutex);
 146         if (invert) {
 147                 left = mask - left;
 148                 right = mask - right;
 149         }
 150         ucontrol->value.integer.value[0] = left;
 151         ucontrol->value.integer.value[1] = right;
 152         return 0;
 153 }
 154
 155 static int snd_ak4531_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 156 {
 157         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
 158         int left_reg = kcontrol->private_value & 0xff;
 159         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 160         int left_shift = (kcontrol->private_value >> 16) & 0x07;
 161         int right_shift = (kcontrol->private_value >> 19) & 0x07;
 162         int mask = (kcontrol->private_value >> 24) & 0xff;
 163         int invert = (kcontrol->private_value >> 22) & 1;
 164         int change;
 165         int left, right;
 166
 167         left = ucontrol->value.integer.value[0] & mask;
 168         right = ucontrol->value.integer.value[1] & mask;
 169         if (invert) {
 170                 left = mask - left;
 171                 right = mask - right;
 172         }
 173         left <<= left_shift;
 174         right <<= right_shift;
 175         down(&ak4531->reg_mutex);
 176         if (left_reg == right_reg) {
 177                 left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right;
 178                 change = left != ak4531->regs[left_reg];
 179                 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
 180         } else {
 181                 left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left;
 182                 right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right;
 183                 change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg];
 184                 ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
 185                 ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
 186         }
 187         up(&ak4531->reg_mutex);
 188         return change;
 189 }
 190
 191 #define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
 192 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 193   .info = snd_ak4531_info_input_sw, \
 194   .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
 195   .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) }
 196
 197 static int snd_ak4531_info_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
 198 {
 199         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 200         uinfo->count = 4;
 201         uinfo->value.integer.min = 0;
 202         uinfo->value.integer.max = 1;
 203         return 0;
 204 }
 205
 206 static int snd_ak4531_get_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 207 {
 208         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
 209         int reg1 = kcontrol->private_value & 0xff;
 210         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 211         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 212         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 213
 214         down(&ak4531->reg_mutex);
 215         ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
 216         ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
 217         ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
 218         ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
 219         up(&ak4531->reg_mutex);
 220         return 0;
 221 }
 222
 223 static int snd_ak4531_put_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 224 {
 225         ak4531_t *ak4531 = snd_kcontrol_chip(kcontrol);
 226         int reg1 = kcontrol->private_value & 0xff;
 227         int reg2 = (kcontrol->private_value >> 8) & 0xff;
 228         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
 229         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
 230         int change;
 231         int val1, val2;
 232
 233         down(&ak4531->reg_mutex);
 234         val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift));
 235         val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift));
 236         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
 237         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
 238         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
 239         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
 240         change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2];
 241         ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
 242         ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
 243         up(&ak4531->reg_mutex);
 244         return change;
 245 }
 246
 247 static snd_kcontrol_new_t snd_ak4531_controls[] = {
 248
 249 AK4531_DOUBLE("Master Playback Switch", 0, AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1),
 250 AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
 251
 252 AK4531_SINGLE("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1),
 253 AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
 254
 255 AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
 256 AK4531_DOUBLE("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1),
 257 AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
 258 AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
 259
 260 AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
 261 AK4531_DOUBLE("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1),
 262 AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
 263 AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
 264
 265 AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
 266 AK4531_DOUBLE("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1),
 267 AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
 268 AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
 269
 270 AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
 271 AK4531_DOUBLE("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1),
 272 AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
 273 AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
 274
 275 AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
 276 AK4531_DOUBLE("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1),
 277 AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
 278 AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
 279
 280 AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
 281 AK4531_SINGLE("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1),
 282 AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
 283 AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
 284
 285 AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
 286 AK4531_SINGLE("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1),
 287 AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
 288 AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
 289
 290 AK4531_SINGLE("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1),
 291 AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
 292 AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
 293 AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
 294
 295 AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
 296 AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
 297 AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
 298
 299 AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
 300 AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
 301 };
 302
 303 static int snd_ak4531_free(ak4531_t *ak4531)
 304 {
 305         if (ak4531) {
 306                 if (ak4531->private_free)
 307                         ak4531->private_free(ak4531);
 308                 kfree(ak4531);
 309         }
 310         return 0;
 311 }
 312
 313 static int snd_ak4531_dev_free(snd_device_t *device)
 314 {
 315         ak4531_t *ak4531 = device->device_data;
 316         return snd_ak4531_free(ak4531);
 317 }
 318
 319 static u8 snd_ak4531_initial_map[0x19 + 1] = {
 320         0x9f,           /* 00: Master Volume Lch */
 321         0x9f,           /* 01: Master Volume Rch */
 322         0x9f,           /* 02: Voice Volume Lch */
 323         0x9f,           /* 03: Voice Volume Rch */
 324         0x9f,           /* 04: FM Volume Lch */
 325         0x9f,           /* 05: FM Volume Rch */
 326         0x9f,           /* 06: CD Audio Volume Lch */
 327         0x9f,           /* 07: CD Audio Volume Rch */
 328         0x9f,           /* 08: Line Volume Lch */
 329         0x9f,           /* 09: Line Volume Rch */
 330         0x9f,           /* 0a: Aux Volume Lch */
 331         0x9f,           /* 0b: Aux Volume Rch */
 332         0x9f,           /* 0c: Mono1 Volume */
 333         0x9f,           /* 0d: Mono2 Volume */
 334         0x9f,           /* 0e: Mic Volume */
 335         0x87,           /* 0f: Mono-out Volume */
 336         0x00,           /* 10: Output Mixer SW1 */
 337         0x00,           /* 11: Output Mixer SW2 */
 338         0x00,           /* 12: Lch Input Mixer SW1 */
 339         0x00,           /* 13: Rch Input Mixer SW1 */
 340         0x00,           /* 14: Lch Input Mixer SW2 */
 341         0x00,           /* 15: Rch Input Mixer SW2 */
 342         0x00,           /* 16: Reset & Power Down */
 343         0x00,           /* 17: Clock Select */
 344         0x00,           /* 18: AD Input Select */
 345         0x01            /* 19: Mic Amp Setup */
 346 };
 347
 348 int snd_ak4531_mixer(snd_card_t * card, ak4531_t * _ak4531, ak4531_t ** rak4531)
 349 {
 350         unsigned int idx;
 351         int err;
 352         ak4531_t * ak4531;
 353         static snd_device_ops_t ops = {
 354                 .dev_free =     snd_ak4531_dev_free,
 355         };
 356
 357         snd_assert(rak4531 != NULL, return -EINVAL);
 358         *rak4531 = NULL;
 359         snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL);
 360         ak4531 = kcalloc(1, sizeof(*ak4531), GFP_KERNEL);
 361         if (ak4531 == NULL)
 362                 return -ENOMEM;
 363         *ak4531 = *_ak4531;
 364         init_MUTEX(&ak4531->reg_mutex);
 365         if ((err = snd_component_add(card, "AK4531")) < 0) {
 366                 snd_ak4531_free(ak4531);
 367                 return err;
 368         }
 369         strcpy(card->mixername, "Asahi Kasei AK4531");
 370         ak4531->write(ak4531, AK4531_RESET, 0x03);      /* no RST, PD */
 371         udelay(100);
 372         ak4531->write(ak4531, AK4531_CLOCK, 0x00);      /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
 373         for (idx = 0; idx < 0x19; idx++) {
 374                 if (idx == AK4531_RESET || idx == AK4531_CLOCK)
 375                         continue;
 376                 ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]);    /* recording source is mixer */
 377         }
 378         for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
 379                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
 380                         snd_ak4531_free(ak4531);
 381                         return err;
 382                 }
 383         }
 384         snd_ak4531_proc_init(card, ak4531);
 385         if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
 386                 snd_ak4531_free(ak4531);
 387                 return err;
 388         }
 389
 390 #if 0
 391         snd_ak4531_dump(ak4531);
 392 #endif
 393         *rak4531 = ak4531;
 394         return 0;
 395 }
 396
 397 /*
 398
 399  */
 400
 401 static void snd_ak4531_proc_read(snd_info_entry_t *entry,
 402                                  snd_info_buffer_t * buffer)
 403 {
 404         ak4531_t *ak4531 = entry->private_data;
 405
 406         snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
 407         snd_iprintf(buffer, "Recording source   : %s\n"
 408                     "MIC gain           : %s\n",
 409                     ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
 410                     ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
 411 }
 412
 413 static void snd_ak4531_proc_init(snd_card_t * card, ak4531_t * ak4531)
 414 {
 415         snd_info_entry_t *entry;
 416
 417         if (! snd_card_proc_new(card, "ak4531", &entry))
 418                 snd_info_set_text_ops(entry, ak4531, 1024, snd_ak4531_proc_read);
 419 }
 420
 421 EXPORT_SYMBOL(snd_ak4531_mixer);
 422
 423 /*
 424  *  INIT part
 425  */
 426
 427 static int __init alsa_ak4531_init(void)
 428 {
 429         return 0;
 430 }
 431
 432 static void __exit alsa_ak4531_exit(void)
 433 {
 434 }
 435
 436 module_init(alsa_ak4531_init)
 437 module_exit(alsa_ak4531_exit)