sound/pci/oxygen/virtuoso.c

   1 /*
   2  * C-Media CMI8788 driver for Asus Xonar cards
   3  *
   4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License, version 2.
   9  *
  10  *  This driver is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this driver; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18  */
  19
  20 /*
  21  * CMI8788:
  22  *
  23  * SPI 0 -> 1st PCM1796 (front)
  24  * SPI 1 -> 2nd PCM1796 (surround)
  25  * SPI 2 -> 3rd PCM1796 (center/LFE)
  26  * SPI 4 -> 4th PCM1796 (back)
  27  *
  28  * GPIO 2 -> M0 of CS5381
  29  * GPIO 3 -> M1 of CS5381
  30  * GPIO 5 <- external power present (D2X only)
  31  * GPIO 7 -> ALT
  32  * GPIO 8 -> enable output to speakers
  33  *
  34  * CM9780:
  35  *
  36  * GPIO 0 -> enable AC'97 bypass (line in -> ADC)
  37  */
  38
  39 #include <linux/pci.h>
  40 #include <linux/delay.h>
  41 #include <linux/mutex.h>
  42 #include <sound/ac97_codec.h>
  43 #include <sound/control.h>
  44 #include <sound/core.h>
  45 #include <sound/initval.h>
  46 #include <sound/pcm.h>
  47 #include <sound/tlv.h>
  48 #include "oxygen.h"
  49 #include "cm9780.h"
  50 #include "pcm1796.h"
  51
  52 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
  53 MODULE_DESCRIPTION("Asus AV200 driver");
  54 MODULE_LICENSE("GPL");
  55 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
  56
  57 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
  58 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
  59 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
  60
  61 module_param_array(index, int, NULL, 0444);
  62 MODULE_PARM_DESC(index, "card index");
  63 module_param_array(id, charp, NULL, 0444);
  64 MODULE_PARM_DESC(id, "ID string");
  65 module_param_array(enable, bool, NULL, 0444);
  66 MODULE_PARM_DESC(enable, "enable card");
  67
  68 static struct pci_device_id xonar_ids[] __devinitdata = {
  69         { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
  70         { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
  71         { }
  72 };
  73 MODULE_DEVICE_TABLE(pci, xonar_ids);
  74
  75
  76 #define GPIO_CS5381_M_MASK      0x000c
  77 #define GPIO_CS5381_M_SINGLE    0x0000
  78 #define GPIO_CS5381_M_DOUBLE    0x0004
  79 #define GPIO_CS5381_M_QUAD      0x0008
  80 #define GPIO_EXT_POWER          0x0020
  81 #define GPIO_ALT                0x0080
  82 #define GPIO_OUTPUT_ENABLE      0x0100
  83
  84 #define GPIO_LINE_MUTE          CM9780_GPO0
  85
  86 struct xonar_data {
  87         u8 is_d2x;
  88         u8 has_power;
  89 };
  90
  91 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
  92                           u8 reg, u8 value)
  93 {
  94         /* maps ALSA channel pair number to SPI output */
  95         static const u8 codec_map[4] = {
  96                 0, 1, 2, 4
  97         };
  98         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
  99                          OXYGEN_SPI_DATA_LENGTH_2 |
 100                          OXYGEN_SPI_CLOCK_160 |
 101                          (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
 102                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
 103                          (reg << 8) | value);
 104 }
 105
 106 static void xonar_init(struct oxygen *chip)
 107 {
 108         struct xonar_data *data = chip->model_data;
 109         unsigned int i;
 110
 111         data->is_d2x = chip->pci->subsystem_device == 0x82b7;
 112
 113         for (i = 0; i < 4; ++i) {
 114                 pcm1796_write(chip, i, 18, PCM1796_FMT_24_LJUST | PCM1796_ATLD);
 115                 pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
 116                 pcm1796_write(chip, i, 20, PCM1796_OS_64);
 117                 pcm1796_write(chip, i, 21, 0);
 118                 pcm1796_write(chip, i, 16, 0xff); /* set ATL/ATR after ATLD */
 119                 pcm1796_write(chip, i, 17, 0xff);
 120         }
 121
 122         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
 123                           GPIO_CS5381_M_MASK | GPIO_ALT);
 124         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
 125                               GPIO_CS5381_M_SINGLE,
 126                               GPIO_CS5381_M_MASK | GPIO_ALT);
 127         if (data->is_d2x) {
 128                 oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
 129                                     GPIO_EXT_POWER);
 130                 oxygen_set_bits16(chip, OXYGEN_GPIO_INTERRUPT_MASK,
 131                                   GPIO_EXT_POWER);
 132                 chip->interrupt_mask |= OXYGEN_INT_GPIO;
 133                 data->has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
 134                                      & GPIO_EXT_POWER);
 135         }
 136         oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
 137         oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
 138         msleep(300);
 139         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_OUTPUT_ENABLE);
 140         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 141
 142         snd_component_add(chip->card, "PCM1796");
 143         snd_component_add(chip->card, "CS5381");
 144 }
 145
 146 static void xonar_cleanup(struct oxygen *chip)
 147 {
 148         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 149 }
 150
 151 static void set_pcm1796_params(struct oxygen *chip,
 152                                struct snd_pcm_hw_params *params)
 153 {
 154 #if 0
 155         unsigned int i;
 156         u8 value;
 157
 158         value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
 159         for (i = 0; i < 4; ++i)
 160                 pcm1796_write(chip, i, 20, value);
 161 #endif
 162 }
 163
 164 static void update_pcm1796_volume(struct oxygen *chip)
 165 {
 166         unsigned int i;
 167
 168         for (i = 0; i < 4; ++i) {
 169                 pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
 170                 pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
 171         }
 172 }
 173
 174 static void update_pcm1796_mute(struct oxygen *chip)
 175 {
 176         unsigned int i;
 177         u8 value;
 178
 179         value = PCM1796_FMT_24_LJUST | PCM1796_ATLD;
 180         if (chip->dac_mute)
 181                 value |= PCM1796_MUTE;
 182         for (i = 0; i < 4; ++i)
 183                 pcm1796_write(chip, i, 18, value);
 184 }
 185
 186 static void set_cs5381_params(struct oxygen *chip,
 187                               struct snd_pcm_hw_params *params)
 188 {
 189         unsigned int value;
 190
 191         if (params_rate(params) <= 54000)
 192                 value = GPIO_CS5381_M_SINGLE;
 193         else if (params_rate(params) <= 108000)
 194                 value = GPIO_CS5381_M_DOUBLE;
 195         else
 196                 value = GPIO_CS5381_M_QUAD;
 197         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
 198                               value, GPIO_CS5381_M_MASK);
 199 }
 200
 201 static void xonar_gpio_changed(struct oxygen *chip)
 202 {
 203         struct xonar_data *data = chip->model_data;
 204         u8 has_power;
 205
 206         if (!data->is_d2x)
 207                 return;
 208         has_power = !!(oxygen_read16(chip, OXYGEN_GPIO_DATA)
 209                        & GPIO_EXT_POWER);
 210         if (has_power != data->has_power) {
 211                 data->has_power = has_power;
 212                 if (has_power) {
 213                         snd_printk(KERN_NOTICE "power restored\n");
 214                 } else {
 215                         snd_printk(KERN_CRIT
 216                                    "Hey! Don't unplug the power cable!\n");
 217                         /* TODO: stop PCMs */
 218                 }
 219         }
 220 }
 221
 222 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
 223 {
 224         unsigned int priv_idx = chip->controls[control]->private_value & 0xff;
 225         u16 value;
 226
 227         value = oxygen_read_ac97(chip, 0, priv_idx);
 228         if (!(value & 0x8000)) {
 229                 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
 230                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 231                                &chip->controls[control]->id);
 232         }
 233 }
 234
 235 static void xonar_ac97_switch_hook(struct oxygen *chip, unsigned int codec,
 236                                    unsigned int reg, int mute)
 237 {
 238         if (codec != 0)
 239                 return;
 240         /* line-in is exclusive */
 241         switch (reg) {
 242         case AC97_LINE:
 243                 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 244                                          mute ? GPIO_LINE_MUTE : 0,
 245                                          GPIO_LINE_MUTE);
 246                 if (!mute) {
 247                         mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 248                         mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 249                         mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 250                 }
 251                 break;
 252         case AC97_MIC:
 253         case AC97_CD:
 254         case AC97_VIDEO:
 255         case AC97_AUX:
 256                 if (!mute) {
 257                         oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
 258                                              GPIO_LINE_MUTE);
 259                         mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 260                 }
 261                 break;
 262         }
 263 }
 264
 265 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
 266                                struct snd_ctl_elem_info *info)
 267 {
 268         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 269         info->count = 8;
 270         info->value.integer.min = 0x0f;
 271         info->value.integer.max = 0xff;
 272         return 0;
 273 }
 274
 275 static int alt_switch_get(struct snd_kcontrol *ctl,
 276                           struct snd_ctl_elem_value *value)
 277 {
 278         struct oxygen *chip = ctl->private_data;
 279
 280         value->value.integer.value[0] =
 281                 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_ALT);
 282         return 0;
 283 }
 284
 285 static int alt_switch_put(struct snd_kcontrol *ctl,
 286                           struct snd_ctl_elem_value *value)
 287 {
 288         struct oxygen *chip = ctl->private_data;
 289         u16 old_bits, new_bits;
 290         int changed;
 291
 292         spin_lock_irq(&chip->reg_lock);
 293         old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
 294         if (value->value.integer.value[0])
 295                 new_bits = old_bits | GPIO_ALT;
 296         else
 297                 new_bits = old_bits & ~GPIO_ALT;
 298         changed = new_bits != old_bits;
 299         if (changed)
 300                 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
 301         spin_unlock_irq(&chip->reg_lock);
 302         return changed;
 303 }
 304
 305 static const struct snd_kcontrol_new alt_switch = {
 306         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 307         .name = "Analog Loopback Switch",
 308         .info = snd_ctl_boolean_mono_info,
 309         .get = alt_switch_get,
 310         .put = alt_switch_put,
 311 };
 312
 313 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
 314
 315 static int xonar_control_filter(struct snd_kcontrol_new *template)
 316 {
 317         if (!strcmp(template->name, "Master Playback Volume")) {
 318                 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
 319                 template->info = pcm1796_volume_info,
 320                 template->tlv.p = pcm1796_db_scale;
 321         } else if (!strncmp(template->name, "CD Capture ", 11)) {
 322                 /* CD in is actually connected to the video in pin */
 323                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
 324         } else if (!strcmp(template->name, "Line Capture Volume")) {
 325                 return 1; /* line-in bypasses the AC'97 mixer */
 326         }
 327         return 0;
 328 }
 329
 330 static int xonar_mixer_init(struct oxygen *chip)
 331 {
 332         return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
 333 }
 334
 335 static const struct oxygen_model model_xonar = {
 336         .shortname = "Asus AV200",
 337         .longname = "Asus Virtuoso 200",
 338         .chip = "AV200",
 339         .owner = THIS_MODULE,
 340         .init = xonar_init,
 341         .control_filter = xonar_control_filter,
 342         .mixer_init = xonar_mixer_init,
 343         .cleanup = xonar_cleanup,
 344         .set_dac_params = set_pcm1796_params,
 345         .set_adc_params = set_cs5381_params,
 346         .update_dac_volume = update_pcm1796_volume,
 347         .update_dac_mute = update_pcm1796_mute,
 348         .ac97_switch_hook = xonar_ac97_switch_hook,
 349         .gpio_changed = xonar_gpio_changed,
 350         .model_data_size = sizeof(struct xonar_data),
 351         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
 352                        PLAYBACK_1_TO_SPDIF |
 353                        CAPTURE_0_FROM_I2S_2 |
 354                        CAPTURE_1_FROM_SPDIF,
 355         .dac_channels = 8,
 356         .function_flags = OXYGEN_FUNCTION_SPI |
 357                           OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 358         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 359         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 360 };
 361
 362 static int __devinit xonar_probe(struct pci_dev *pci,
 363                                  const struct pci_device_id *pci_id)
 364 {
 365         static int dev;
 366         int err;
 367
 368         if (dev >= SNDRV_CARDS)
 369                 return -ENODEV;
 370         if (!enable[dev]) {
 371                 ++dev;
 372                 return -ENOENT;
 373         }
 374         err = oxygen_pci_probe(pci, index[dev], id[dev], 1, &model_xonar);
 375         if (err >= 0)
 376                 ++dev;
 377         return err;
 378 }
 379
 380 static struct pci_driver xonar_driver = {
 381         .name = "AV200",
 382         .id_table = xonar_ids,
 383         .probe = xonar_probe,
 384         .remove = __devexit_p(oxygen_pci_remove),
 385 };
 386
 387 static int __init alsa_card_xonar_init(void)
 388 {
 389         return pci_register_driver(&xonar_driver);
 390 }
 391
 392 static void __exit alsa_card_xonar_exit(void)
 393 {
 394         pci_unregister_driver(&xonar_driver);
 395 }
 396
 397 module_init(alsa_card_xonar_init)
 398 module_exit(alsa_card_xonar_exit)