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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 | /* * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian * * Copyright (c) Clemens Ladisch <clemens@ladisch.de> * * * This driver is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2. * * This driver is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this driver; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * SPI 0 -> 1st AK4396 (front) * SPI 1 -> 2nd AK4396 (surround) * SPI 2 -> 3rd AK4396 (center/LFE) * SPI 3 -> WM8785 * SPI 4 -> 4th AK4396 (back) * * GPIO 0 -> DFS0 of AK5385 * GPIO 1 -> DFS1 of AK5385 */ #include <linux/delay.h> #include <linux/mutex.h> #include <linux/pci.h> #include <sound/ac97_codec.h> #include <sound/control.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/tlv.h> #include "oxygen.h" #include "ak4396.h" #include "wm8785.h" MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); MODULE_DESCRIPTION("C-Media CMI8788 driver"); MODULE_LICENSE("GPL v2"); MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "card index"); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string"); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "enable card"); static struct pci_device_id oxygen_ids[] __devinitdata = { { OXYGEN_PCI_SUBID(0x10b0, 0x0216) }, { OXYGEN_PCI_SUBID(0x10b0, 0x0218) }, { OXYGEN_PCI_SUBID(0x10b0, 0x0219) }, { OXYGEN_PCI_SUBID(0x13f6, 0x0001) }, { OXYGEN_PCI_SUBID(0x13f6, 0x0010) }, { OXYGEN_PCI_SUBID(0x13f6, 0x8788) }, { OXYGEN_PCI_SUBID(0x147a, 0xa017) }, { OXYGEN_PCI_SUBID(0x1a58, 0x0910) }, { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 }, { OXYGEN_PCI_SUBID(0x7284, 0x9761) }, { } }; MODULE_DEVICE_TABLE(pci, oxygen_ids); #define GPIO_AK5385_DFS_MASK 0x0003 #define GPIO_AK5385_DFS_NORMAL 0x0000 #define GPIO_AK5385_DFS_DOUBLE 0x0001 #define GPIO_AK5385_DFS_QUAD 0x0002 struct generic_data { u8 ak4396_ctl2; u16 saved_wm8785_registers[2]; }; static void ak4396_write(struct oxygen *chip, unsigned int codec, u8 reg, u8 value) { /* maps ALSA channel pair number to SPI output */ static const u8 codec_spi_map[4] = { 0, 1, 2, 4 }; oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | OXYGEN_SPI_DATA_LENGTH_2 | OXYGEN_SPI_CLOCK_160 | (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) | OXYGEN_SPI_CEN_LATCH_CLOCK_HI, AK4396_WRITE | (reg << 8) | value); } static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value) { struct generic_data *data = chip->model_data; oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | OXYGEN_SPI_DATA_LENGTH_2 | OXYGEN_SPI_CLOCK_160 | (3 << OXYGEN_SPI_CODEC_SHIFT) | OXYGEN_SPI_CEN_LATCH_CLOCK_LO, (reg << 9) | value); if (reg < ARRAY_SIZE(data->saved_wm8785_registers)) data->saved_wm8785_registers[reg] = value; } static void update_ak4396_volume(struct oxygen *chip) { unsigned int i; for (i = 0; i < 4; ++i) { ak4396_write(chip, i, AK4396_LCH_ATT, chip->dac_volume[i * 2]); ak4396_write(chip, i, AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]); } } static void ak4396_registers_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; unsigned int i; for (i = 0; i < 4; ++i) { ak4396_write(chip, i, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); ak4396_write(chip, i, AK4396_CONTROL_2, data->ak4396_ctl2); ak4396_write(chip, i, AK4396_CONTROL_3, AK4396_PCM); } update_ak4396_volume(chip); } static void ak4396_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL; ak4396_registers_init(chip); snd_component_add(chip->card, "AK4396"); } static void ak5385_init(struct oxygen *chip) { oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK); oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK); snd_component_add(chip->card, "AK5385"); } static void wm8785_registers_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; wm8785_write(chip, WM8785_R7, 0); wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]); wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]); } static void wm8785_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST; data->saved_wm8785_registers[1] = WM8785_WL_24; wm8785_registers_init(chip); snd_component_add(chip->card, "WM8785"); } static void generic_init(struct oxygen *chip) { ak4396_init(chip); wm8785_init(chip); } static void meridian_init(struct oxygen *chip) { ak4396_init(chip); ak5385_init(chip); } static void generic_cleanup(struct oxygen *chip) { } static void generic_resume(struct oxygen *chip) { ak4396_registers_init(chip); wm8785_registers_init(chip); } static void set_ak4396_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { struct generic_data *data = chip->model_data; unsigned int i; u8 value; value = data->ak4396_ctl2 & ~AK4396_DFS_MASK; if (params_rate(params) <= 54000) value |= AK4396_DFS_NORMAL; else if (params_rate(params) <= 108000) value |= AK4396_DFS_DOUBLE; else value |= AK4396_DFS_QUAD; data->ak4396_ctl2 = value; msleep(1); /* wait for the new MCLK to become stable */ for (i = 0; i < 4; ++i) { ak4396_write(chip, i, AK4396_CONTROL_1, AK4396_DIF_24_MSB); ak4396_write(chip, i, AK4396_CONTROL_2, value); ak4396_write(chip, i, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); } } static void update_ak4396_mute(struct oxygen *chip) { struct generic_data *data = chip->model_data; unsigned int i; u8 value; value = data->ak4396_ctl2 & ~AK4396_SMUTE; if (chip->dac_mute) value |= AK4396_SMUTE; data->ak4396_ctl2 = value; for (i = 0; i < 4; ++i) ak4396_write(chip, i, AK4396_CONTROL_2, value); } static void set_wm8785_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { unsigned int value; wm8785_write(chip, WM8785_R7, 0); value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST; if (params_rate(params) <= 48000) value |= WM8785_OSR_SINGLE; else if (params_rate(params) <= 96000) value |= WM8785_OSR_DOUBLE; else value |= WM8785_OSR_QUAD; wm8785_write(chip, WM8785_R0, value); if (snd_pcm_format_width(params_format(params)) <= 16) value = WM8785_WL_16; else value = WM8785_WL_24; wm8785_write(chip, WM8785_R1, value); } static void set_ak5385_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { unsigned int value; if (params_rate(params) <= 54000) value = GPIO_AK5385_DFS_NORMAL; else if (params_rate(params) <= 108000) value = GPIO_AK5385_DFS_DOUBLE; else value = GPIO_AK5385_DFS_QUAD; oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, GPIO_AK5385_DFS_MASK); } static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0); static const struct oxygen_model model_generic = { .shortname = "C-Media CMI8788", .longname = "C-Media Oxygen HD Audio", .chip = "CMI8788", .owner = THIS_MODULE, .init = generic_init, .cleanup = generic_cleanup, .resume = generic_resume, .set_dac_params = set_ak4396_params, .set_adc_params = set_wm8785_params, .update_dac_volume = update_ak4396_volume, .update_dac_mute = update_ak4396_mute, .dac_tlv = ak4396_db_scale, .model_data_size = sizeof(struct generic_data), .pcm_dev_cfg = PLAYBACK_0_TO_I2S | PLAYBACK_1_TO_SPDIF | PLAYBACK_2_TO_AC97_1 | CAPTURE_0_FROM_I2S_1 | CAPTURE_1_FROM_SPDIF | CAPTURE_2_FROM_AC97_1, .dac_channels = 8, .dac_volume_min = 0, .dac_volume_max = 255, .function_flags = OXYGEN_FUNCTION_SPI | OXYGEN_FUNCTION_ENABLE_SPI_4_5, .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, }; static const struct oxygen_model model_meridian = { .shortname = "C-Media CMI8788", .longname = "C-Media Oxygen HD Audio", .chip = "CMI8788", .owner = THIS_MODULE, .init = meridian_init, .cleanup = generic_cleanup, .resume = ak4396_registers_init, .set_dac_params = set_ak4396_params, .set_adc_params = set_ak5385_params, .update_dac_volume = update_ak4396_volume, .update_dac_mute = update_ak4396_mute, .dac_tlv = ak4396_db_scale, .model_data_size = sizeof(struct generic_data), .pcm_dev_cfg = PLAYBACK_0_TO_I2S | PLAYBACK_1_TO_SPDIF | PLAYBACK_2_TO_AC97_1 | CAPTURE_0_FROM_I2S_2 | CAPTURE_1_FROM_SPDIF | CAPTURE_2_FROM_AC97_1, .dac_channels = 8, .dac_volume_min = 0, .dac_volume_max = 255, .misc_flags = OXYGEN_MISC_MIDI, .function_flags = OXYGEN_FUNCTION_SPI | OXYGEN_FUNCTION_ENABLE_SPI_4_5, .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, }; static int __devinit generic_oxygen_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; int is_meridian; int err; if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { ++dev; return -ENOENT; } is_meridian = pci_id->driver_data; err = oxygen_pci_probe(pci, index[dev], id[dev], is_meridian ? &model_meridian : &model_generic); if (err >= 0) ++dev; return err; } static struct pci_driver oxygen_driver = { .name = "CMI8788", .id_table = oxygen_ids, .probe = generic_oxygen_probe, .remove = __devexit_p(oxygen_pci_remove), #ifdef CONFIG_PM .suspend = oxygen_pci_suspend, .resume = oxygen_pci_resume, #endif }; static int __init alsa_card_oxygen_init(void) { return pci_register_driver(&oxygen_driver); } static void __exit alsa_card_oxygen_exit(void) { pci_unregister_driver(&oxygen_driver); } module_init(alsa_card_oxygen_init) module_exit(alsa_card_oxygen_exit) |