/* * C-Media CMI8788 driver for C-Media's reference design and similar models * * Copyright (c) Clemens Ladisch * * * 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 */ /* * CMI8788: * * 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 * GPIO 8 -> enable headphone amplifier on HT-Omega models * * CM9780: * * GPO 0 -> route line-in (0) or AC97 output (1) to ADC input */ #include #include #include #include #include #include #include #include #include #include #include "oxygen.h" #include "ak4396.h" #include "wm8785.h" MODULE_AUTHOR("Clemens Ladisch "); 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"); enum { MODEL_CMEDIA_REF, /* C-Media's reference design */ MODEL_MERIDIAN, /* AuzenTech X-Meridian */ MODEL_CLARO, /* HT-Omega Claro */ MODEL_CLARO_HALO, /* HT-Omega Claro halo */ }; static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = { { OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF }, { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN }, { OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO }, { OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO }, { } }; 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 #define GPIO_CLARO_HP 0x0100 struct generic_data { u8 ak4396_regs[4][5]; u16 wm8785_regs[3]; }; 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 }; struct generic_data *data = chip->model_data; 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); data->ak4396_regs[codec][reg] = value; } static void ak4396_write_cached(struct oxygen *chip, unsigned int codec, u8 reg, u8 value) { struct generic_data *data = chip->model_data; if (value != data->ak4396_regs[codec][reg]) ak4396_write(chip, codec, reg, 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->wm8785_regs)) data->wm8785_regs[reg] = value; } 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_regs[0][AK4396_CONTROL_2]); ak4396_write(chip, i, AK4396_CONTROL_3, AK4396_PCM); 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_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; data->ak4396_regs[0][AK4396_CONTROL_2] = 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->wm8785_regs[0]); wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]); } static void wm8785_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; data->wm8785_regs[0] = WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST; data->wm8785_regs[2] = WM8785_HPFR | WM8785_HPFL; 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 claro_enable_hp(struct oxygen *chip) { msleep(300); oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP); oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP); } static void claro_init(struct oxygen *chip) { ak4396_init(chip); wm8785_init(chip); claro_enable_hp(chip); } static void claro_halo_init(struct oxygen *chip) { ak4396_init(chip); ak5385_init(chip); claro_enable_hp(chip); } static void generic_cleanup(struct oxygen *chip) { } static void claro_disable_hp(struct oxygen *chip) { oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP); } static void claro_cleanup(struct oxygen *chip) { claro_disable_hp(chip); } static void claro_suspend(struct oxygen *chip) { claro_disable_hp(chip); } static void generic_resume(struct oxygen *chip) { ak4396_registers_init(chip); wm8785_registers_init(chip); } static void meridian_resume(struct oxygen *chip) { ak4396_registers_init(chip); } static void claro_resume(struct oxygen *chip) { ak4396_registers_init(chip); claro_enable_hp(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_regs[0][AK4396_CONTROL_2] & ~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; msleep(1); /* wait for the new MCLK to become stable */ if (value != data->ak4396_regs[0][AK4396_CONTROL_2]) { 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_volume(struct oxygen *chip) { unsigned int i; for (i = 0; i < 4; ++i) { ak4396_write_cached(chip, i, AK4396_LCH_ATT, chip->dac_volume[i * 2]); ak4396_write_cached(chip, i, AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]); } } static void update_ak4396_mute(struct oxygen *chip) { struct generic_data *data = chip->model_data; unsigned int i; u8 value; value = data->ak4396_regs[0][AK4396_CONTROL_2] & ~AK4396_SMUTE; if (chip->dac_mute) value |= AK4396_SMUTE; for (i = 0; i < 4; ++i) ak4396_write_cached(chip, i, AK4396_CONTROL_2, value); } static void set_wm8785_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { struct generic_data *data = chip->model_data; unsigned int value; 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; if (value != data->wm8785_regs[0]) { wm8785_write(chip, WM8785_R7, 0); wm8785_write(chip, WM8785_R0, value); wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]); } } 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 int rolloff_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) { static const char *const names[2] = { "Sharp Roll-off", "Slow Roll-off" }; info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; info->count = 1; info->value.enumerated.items = 2; if (info->value.enumerated.item >= 2) info->value.enumerated.item = 1; strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); return 0; } static int rolloff_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; struct generic_data *data = chip->model_data; value->value.enumerated.item[0] = (data->ak4396_regs[0][AK4396_CONTROL_2] & AK4396_SLOW) != 0; return 0; } static int rolloff_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; struct generic_data *data = chip->model_data; unsigned int i; int changed; u8 reg; mutex_lock(&chip->mutex); reg = data->ak4396_regs[0][AK4396_CONTROL_2]; if (value->value.enumerated.item[0]) reg |= AK4396_SLOW; else reg &= ~AK4396_SLOW; changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2]; if (changed) { for (i = 0; i < 4; ++i) ak4396_write(chip, i, AK4396_CONTROL_2, reg); } mutex_unlock(&chip->mutex); return changed; } static const struct snd_kcontrol_new rolloff_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "DAC Filter Playback Enum", .info = rolloff_info, .get = rolloff_get, .put = rolloff_put, }; static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) { static const char *const names[2] = { "None", "High-pass Filter" }; info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; info->count = 1; info->value.enumerated.items = 2; if (info->value.enumerated.item >= 2) info->value.enumerated.item = 1; strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); return 0; } static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; struct generic_data *data = chip->model_data; value->value.enumerated.item[0] = (data->wm8785_regs[WM8785_R2] & WM8785_HPFR) != 0; return 0; } static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; struct generic_data *data = chip->model_data; unsigned int reg; int changed; mutex_lock(&chip->mutex); reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL); if (value->value.enumerated.item[0]) reg |= WM8785_HPFR | WM8785_HPFL; changed = reg != data->wm8785_regs[WM8785_R2]; if (changed) wm8785_write(chip, WM8785_R2, reg); mutex_unlock(&chip->mutex); return changed; } static const struct snd_kcontrol_new hpf_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "ADC Filter Capture Enum", .info = hpf_info, .get = hpf_get, .put = hpf_put, }; static int generic_mixer_init(struct oxygen *chip) { return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip)); } static int generic_wm8785_mixer_init(struct oxygen *chip) { int err; err = generic_mixer_init(chip); if (err < 0) return err; err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip)); if (err < 0) return err; return 0; } 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", .init = generic_init, .mixer_init = generic_wm8785_mixer_init, .cleanup = generic_cleanup, .resume = generic_resume, .get_i2s_mclk = oxygen_default_i2s_mclk, .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), .device_config = 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 | AC97_CD_INPUT, .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 int __devinit get_oxygen_model(struct oxygen *chip, const struct pci_device_id *id) { chip->model = model_generic; switch (id->driver_data) { case MODEL_MERIDIAN: chip->model.init = meridian_init; chip->model.mixer_init = generic_mixer_init; chip->model.resume = meridian_resume; chip->model.set_adc_params = set_ak5385_params; chip->model.device_config = PLAYBACK_0_TO_I2S | PLAYBACK_1_TO_SPDIF | CAPTURE_0_FROM_I2S_2 | CAPTURE_1_FROM_SPDIF; break; case MODEL_CLARO: chip->model.init = claro_init; chip->model.cleanup = claro_cleanup; chip->model.suspend = claro_suspend; chip->model.resume = claro_resume; break; case MODEL_CLARO_HALO: chip->model.init = claro_halo_init; chip->model.mixer_init = generic_mixer_init; chip->model.cleanup = claro_cleanup; chip->model.suspend = claro_suspend; chip->model.resume = claro_resume; chip->model.set_adc_params = set_ak5385_params; break; } if (id->driver_data == MODEL_MERIDIAN || id->driver_data == MODEL_CLARO_HALO) { chip->model.misc_flags = OXYGEN_MISC_MIDI; chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT; } return 0; } static int __devinit generic_oxygen_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; int err; if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { ++dev; return -ENOENT; } err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE, oxygen_ids, get_oxygen_model); 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)