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 | 84 OXYGEN_SPI_DATA_LENGTH_2 | 85 OXYGEN_SPI_CLOCK_160 | 86 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) | 87 OXYGEN_SPI_CEN_LATCH_CLOCK_HI, 88 (reg << 8) | value); 89 } 90 91 static void xonar_init(struct oxygen *chip) 92 { 93 unsigned int i; 94 95 for (i = 0; i < 4; ++i) { 96 pcm1796_write(chip, i, 0x12, PCM1796_FMT_24_MSB | PCM1796_ATLD); 97 pcm1796_write(chip, i, 0x13, 0); 98 pcm1796_write(chip, i, 0x14, PCM1796_OS_64); 99 pcm1796_write(chip, i, 0x15, 0); 100 pcm1796_write(chip, i, 0x10, 0xff); 101 pcm1796_write(chip, i, 0x11, 0xff); 102 } 103 104 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x8c); 105 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, 0x00, 0x8c); 106 oxygen_ac97_set_bits(chip, 0, 0x62, 0x0080); 107 msleep(300); 108 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x100); 109 oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, 0x100); 110 111 snd_component_add(chip->card, "PCM1796"); 112 snd_component_add(chip->card, "CS5381"); 113 } 114 115 static void xonar_cleanup(struct oxygen *chip) 116 { 117 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x100); 118 } 119 120 static void set_pcm1796_params(struct oxygen *chip, 121 struct snd_pcm_hw_params *params) 122 { 123 #if 0 124 unsigned int i; 125 u8 value; 126 127 value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64; 128 for (i = 0; i < 4; ++i) 129 pcm1796_write(chip, i, 0x14, value); 130 #endif 131 } 132 133 static void update_pcm1796_volume(struct oxygen *chip) 134 { 135 unsigned int i; 136 137 for (i = 0; i < 4; ++i) { 138 pcm1796_write(chip, i, 0x10, chip->dac_volume[i * 2]); 139 pcm1796_write(chip, i, 0x11, chip->dac_volume[i * 2 + 1]); 140 } 141 } 142 143 static void update_pcm1796_mute(struct oxygen *chip) 144 { 145 unsigned int i; 146 u8 value; 147 148 value = PCM1796_FMT_24_MSB | PCM1796_ATLD; 149 if (chip->dac_mute) 150 value |= PCM1796_MUTE; 151 for (i = 0; i < 4; ++i) 152 pcm1796_write(chip, i, 0x12, value); 153 } 154 155 static void set_cs5381_params(struct oxygen *chip, 156 struct snd_pcm_hw_params *params) 157 { 158 unsigned int value; 159 160 if (params_rate(params) <= 54000) 161 value = 0; 162 else if (params_rate(params) <= 108000) 163 value = 4; 164 else 165 value = 8; 166 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x000c); 167 } 168 169 static int pcm1796_volume_info(struct snd_kcontrol *ctl, 170 struct snd_ctl_elem_info *info) 171 { 172 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 173 info->count = 8; 174 info->value.integer.min = 0x0f; 175 info->value.integer.max = 0xff; 176 return 0; 177 } 178 179 static int alt_switch_get(struct snd_kcontrol *ctl, 180 struct snd_ctl_elem_value *value) 181 { 182 struct oxygen *chip = ctl->private_data; 183 184 value->value.integer.value[0] = 185 !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & 0x80); 186 return 0; 187 } 188 189 static int alt_switch_put(struct snd_kcontrol *ctl, 190 struct snd_ctl_elem_value *value) 191 { 192 struct oxygen *chip = ctl->private_data; 193 u16 old_bits, new_bits; 194 int changed; 195 196 spin_lock_irq(&chip->reg_lock); 197 old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA); 198 if (value->value.integer.value[0]) 199 new_bits = old_bits | 0x80; 200 else 201 new_bits = old_bits & ~0x80; 202 changed = new_bits != old_bits; 203 if (changed) 204 oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits); 205 spin_unlock_irq(&chip->reg_lock); 206 return changed; 207 } 208 209 static const struct snd_kcontrol_new alt_switch = { 210 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 211 .name = "Analog Loopback Switch", 212 .info = snd_ctl_boolean_mono_info, 213 .get = alt_switch_get, 214 .put = alt_switch_put, 215 }; 216 217 static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0); 218 219 static int xonar_control_filter(struct snd_kcontrol_new *template) 220 { 221 if (!strcmp(template->name, "Master Playback Volume")) { 222 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 223 template->info = pcm1796_volume_info, 224 template->tlv.p = pcm1796_db_scale; 225 } else if (!strncmp(template->name, "CD Capture ", 11)) { 226 template->private_value ^= AC97_CD ^ AC97_VIDEO; 227 } 228 return 0; 229 } 230 231 static int xonar_mixer_init(struct oxygen *chip) 232 { 233 return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip)); 234 } 235 236 static const struct oxygen_model model_xonar = { 237 .shortname = "Asus AV200", 238 .longname = "Asus Virtuoso 200", 239 .chip = "AV200", 240 .init = xonar_init, 241 .control_filter = xonar_control_filter, 242 .mixer_init = xonar_mixer_init, 243 .cleanup = xonar_cleanup, 244 .set_dac_params = set_pcm1796_params, 245 .set_adc_params = set_cs5381_params, 246 .update_dac_volume = update_pcm1796_volume, 247 .update_dac_mute = update_pcm1796_mute, 248 .used_channels = OXYGEN_CHANNEL_B | 249 OXYGEN_CHANNEL_C | 250 OXYGEN_CHANNEL_SPDIF | 251 OXYGEN_CHANNEL_MULTICH, 252 .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5, 253 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, 254 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, 255 }; 256 257 static int __devinit xonar_probe(struct pci_dev *pci, 258 const struct pci_device_id *pci_id) 259 { 260 static int dev; 261 int err; 262 263 if (dev >= SNDRV_CARDS) 264 return -ENODEV; 265 if (!enable[dev]) { 266 ++dev; 267 return -ENOENT; 268 } 269 err = oxygen_pci_probe(pci, index[dev], id[dev], 1, &model_xonar); 270 if (err >= 0) 271 ++dev; 272 return err; 273 } 274 275 static struct pci_driver xonar_driver = { 276 .name = "AV200", 277 .id_table = xonar_ids, 278 .probe = xonar_probe, 279 .remove = __devexit_p(oxygen_pci_remove), 280 }; 281 282 static int __init alsa_card_xonar_init(void) 283 { 284 return pci_register_driver(&xonar_driver); 285 } 286 287 static void __exit alsa_card_xonar_exit(void) 288 { 289 pci_unregister_driver(&xonar_driver); 290 } 291 292 module_init(alsa_card_xonar_init) 293 module_exit(alsa_card_xonar_exit) 294