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  * SPI 0 -> 1st PCM1796 (front)
  22  * SPI 1 -> 2nd PCM1796 (surround)
  23  * SPI 2 -> 3rd PCM1796 (center/LFE)
  24  * SPI 4 -> 4th PCM1796 (back)
  25  *
  26  * GPIO 2 -> M0 of CS5381
  27  * GPIO 3 -> M1 of CS5381
  28  * GPIO 5 <- ? (D2X only)
  29  * GPIO 7 -> ALT
  30  * GPIO 8 -> ? (amps enable?)
  31  */
  32
  33 #include <linux/pci.h>
  34 #include <linux/delay.h>
  35 #include <linux/mutex.h>
  36 #include <sound/ac97_codec.h>
  37 #include <sound/control.h>
  38 #include <sound/core.h>
  39 #include <sound/initval.h>
  40 #include <sound/pcm.h>
  41 #include <sound/tlv.h>
  42 #include "oxygen.h"
  43
  44 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
  45 MODULE_DESCRIPTION("Asus AV200 driver");
  46 MODULE_LICENSE("GPL");
  47 MODULE_SUPPORTED_DEVICE("{{Asus,AV200}}");
  48
  49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
  50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
  51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
  52
  53 module_param_array(index, int, NULL, 0444);
  54 MODULE_PARM_DESC(index, "card index");
  55 module_param_array(id, charp, NULL, 0444);
  56 MODULE_PARM_DESC(id, "ID string");
  57 module_param_array(enable, bool, NULL, 0444);
  58 MODULE_PARM_DESC(enable, "enable card");
  59
  60 static struct pci_device_id xonar_ids[] __devinitdata = {
  61         { OXYGEN_PCI_SUBID(0x1043, 0x8269) }, /* Asus Xonar D2 */
  62         { OXYGEN_PCI_SUBID(0x1043, 0x82b7) }, /* Asus Xonar D2X */
  63         { }
  64 };
  65 MODULE_DEVICE_TABLE(pci, xonar_ids);
  66
  67 /* register 0x12 */
  68 #define PCM1796_MUTE            0x01
  69 #define PCM1796_FMT_24_MSB      0x30
  70 #define PCM1796_ATLD            0x80
  71 /* register 0x14 */
  72 #define PCM1796_OS_64           0x00
  73 #define PCM1796_OS_32           0x01
  74 #define PCM1796_OS_128          0x02
  75
  76 static void pcm1796_write(struct oxygen *chip, unsigned int codec,
  77                           u8 reg, u8 value)
  78 {
  79         /* maps ALSA channel pair number to SPI output */
  80         static const u8 codec_map[4] = {
  81                 0, 1, 2, 4
  82         };
  83         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
  84                          OXYGEN_SPI_DATA_LENGTH_2 |
  85                          (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
  86                          OXYGEN_SPI_MAGIC,
  87                          (reg << 8) | value);
  88 }
  89
  90 static void xonar_init(struct oxygen *chip)
  91 {
  92         unsigned int i;
  93
  94         for (i = 0; i < 4; ++i) {
  95                 pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD);
  96                 pcm1796_write(chip, i, 0x13, 0);
  97                 pcm1796_write(chip, i, 0x14, PCM1796_OS_64);
  98                 pcm1796_write(chip, i, 0x15, 0);
  99                 pcm1796_write(chip, i, 0x10, 0xff);
 100                 pcm1796_write(chip, i, 0x11, 0xff);
 101         }
 102
 103         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c);
 104         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c);
 105 #if 0
 106         oxygen_clear_bits16(chip, OXYGEN_I2S_MULTICH_FORMAT,
 107                             OXYGEN_I2S_MAGIC1_MASK);
 108 #endif
 109         oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080);
 110         msleep(300);
 111         oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100);
 112         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
 113
 114         snd_component_add(chip->card, "PCM1796");
 115         snd_component_add(chip->card, "CS5381");
 116 }
 117
 118 static void xonar_cleanup(struct oxygen *chip)
 119 {
 120         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100);
 121 }
 122
 123 static void set_pcm1796_params(struct oxygen *chip,
 124                                struct snd_pcm_hw_params *params)
 125 {
 126 #if 0
 127         unsigned int i;
 128         u8 value;
 129
 130         value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
 131         for (i = 0; i < 4; ++i)
 132                 pcm1796_write(chip, i, 0x14, value);
 133 #endif
 134 }
 135
 136 static void update_pcm1796_volume(struct oxygen *chip)
 137 {
 138         unsigned int i;
 139
 140         for (i = 0; i < 4; ++i) {
 141                 pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]);
 142                 pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]);
 143         }
 144 }
 145
 146 static void update_pcm1796_mute(struct oxygen *chip)
 147 {
 148         unsigned int i;
 149         u8 value;
 150
 151         value = PCM1796_FMT_24_MSB | PCM1796_ATLD;
 152         if (chip->dac_mute)
 153                 value |= PCM1796_MUTE;
 154         for (i = 0; i < 4; ++i)
 155                 pcm1796_write(chip, i, 0x12, value);
 156 }
 157
 158 static void set_cs5381_params(struct oxygen *chip,
 159                               struct snd_pcm_hw_params *params)
 160 {
 161         unsigned int value;
 162
 163         if (params_rate(params) <= 54000)
 164                 value = 0;
 165         else if (params_rate(params) <= 108000)
 166                 value = 4;
 167         else
 168                 value = 8;
 169         oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c);
 170 }
 171
 172 static int pcm1796_volume_info(struct snd_kcontrol *ctl,
 173                                struct snd_ctl_elem_info *info)
 174 {
 175         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 176         info->count = 8;
 177         info->value.integer.min = 0x0f;
 178         info->value.integer.max = 0xff;
 179         return 0;
 180 }
 181
 182 static int alt_switch_get(struct snd_kcontrol *ctl,
 183                           struct snd_ctl_elem_value *value)
 184 {
 185         struct oxygen *chip = ctl->private_data;
 186
 187         value->value.integer.value[0] =
 188                 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80);
 189         return 0;
 190 }
 191
 192 static int alt_switch_put(struct snd_kcontrol *ctl,
 193                           struct snd_ctl_elem_value *value)
 194 {
 195         struct oxygen *chip = ctl->private_data;
 196         u16 old_bits, new_bits;
 197         int changed;
 198
 199         spin_lock_irq(&chip->reg_lock);
 200         old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
 201         if (value->value.integer.value[0])
 202                 new_bits = old_bits | 0x80;
 203         else
 204                 new_bits = old_bits & ~0x80;
 205         changed = new_bits != old_bits;
 206         if (changed)
 207                 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
 208         spin_unlock_irq(&chip->reg_lock);
 209         return changed;
 210 }
 211
 212 static const struct snd_kcontrol_new alt_switch = {
 213         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 214         .name = "Analog Loopback Switch",
 215         .info = snd_ctl_boolean_mono_info,
 216         .get = alt_switch_get,
 217         .put = alt_switch_put,
 218 };
 219
 220 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
 221
 222 static int xonar_control_filter(struct snd_kcontrol_new *template)
 223 {
 224         if (!strcmp(template->name, "Master Playback Volume")) {
 225                 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
 226                 template->info = pcm1796_volume_info,
 227                 template->tlv.p = pcm1796_db_scale;
 228         } else if (!strncmp(template->name, "CD Capture ", 11)) {
 229                 template->private_value ^= AC97_CD ^ AC97_VIDEO;
 230         }
 231         return 0;
 232 }
 233
 234 static int xonar_mixer_init(struct oxygen *chip)
 235 {
 236         return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
 237 }
 238
 239 static const struct oxygen_model model_xonar = {
 240         .shortname = "Asus AV200",
 241         .longname = "Asus Virtuoso 200",
 242         .chip = "AV200",
 243         .init = xonar_init,
 244         .control_filter = xonar_control_filter,
 245         .mixer_init = xonar_mixer_init,
 246         .cleanup = xonar_cleanup,
 247         .set_dac_params = set_pcm1796_params,
 248         .set_adc_params = set_cs5381_params,
 249         .update_dac_volume = update_pcm1796_volume,
 250         .update_dac_mute = update_pcm1796_mute,
 251         .used_channels = OXYGEN_CHANNEL_B |
 252                          OXYGEN_CHANNEL_C |
 253                          OXYGEN_CHANNEL_SPDIF |
 254                          OXYGEN_CHANNEL_MULTICH,
 255         .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
 256 };
 257
 258 static int __devinit xonar_probe(struct pci_dev *pci,
 259                                  const struct pci_device_id *pci_id)
 260 {
 261         static int dev;
 262         int err;
 263
 264         if (dev >= SNDRV_CARDS)
 265                 return -ENODEV;
 266         if (!enable[dev]) {
 267                 ++dev;
 268                 return -ENOENT;
 269         }
 270         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_xonar);
 271         if (err >= 0)
 272                 ++dev;
 273         return err;
 274 }
 275
 276 static struct pci_driver xonar_driver = {
 277         .name = "AV200",
 278         .id_table = xonar_ids,
 279         .probe = xonar_probe,
 280         .remove = __devexit_p(oxygen_pci_remove),
 281 };
 282
 283 static int __init alsa_card_xonar_init(void)
 284 {
 285         return pci_register_driver(&xonar_driver);
 286 }
 287
 288 static void __exit alsa_card_xonar_exit(void)
 289 {
 290         pci_unregister_driver(&xonar_driver);
 291 }
 292
 293 module_init(alsa_card_xonar_init)
 294 module_exit(alsa_card_xonar_exit)