| /* |
| * 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"); |
| |
| enum { |
| MODEL_CMEDIA_REF, /* C-Media's reference design */ |
| MODEL_MERIDIAN, /* AuzenTech X-Meridian */ |
| MODEL_HALO, /* HT-Omega Claro halo */ |
| }; |
| |
| static struct pci_device_id oxygen_ids[] __devinitdata = { |
| { 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_CMEDIA_REF }, |
| { OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_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 |
| |
| 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 meridian_resume(struct oxygen *chip) |
| { |
| ak4396_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 int generic_probe(struct oxygen *chip, unsigned long driver_data) |
| { |
| if (driver_data == MODEL_MERIDIAN) { |
| chip->model.init = meridian_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; |
| } |
| if (driver_data == MODEL_MERIDIAN || driver_data == MODEL_HALO) { |
| chip->model.misc_flags = OXYGEN_MISC_MIDI; |
| chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT; |
| } |
| return 0; |
| } |
| |
| static const struct oxygen_model model_generic = { |
| .shortname = "C-Media CMI8788", |
| .longname = "C-Media Oxygen HD Audio", |
| .chip = "CMI8788", |
| .owner = THIS_MODULE, |
| .probe = generic_probe, |
| .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), |
| .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, |
| .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 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], |
| &model_generic, pci_id->driver_data); |
| 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) |