| /* |
| * C-Media CMI8788 driver for the MediaTek/TempoTec HiFier Fantasia |
| * |
| * 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 |
| */ |
| |
| #include <linux/pci.h> |
| #include <sound/control.h> |
| #include <sound/core.h> |
| #include <sound/initval.h> |
| #include <sound/pcm.h> |
| #include <sound/tlv.h> |
| #include "oxygen.h" |
| #include "ak4396.h" |
| |
| MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); |
| MODULE_DESCRIPTION("TempoTec HiFier driver"); |
| MODULE_LICENSE("GPL"); |
| |
| 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 hifier_ids[] __devinitdata = { |
| { OXYGEN_PCI_SUBID(0x14c3, 0x1710) }, |
| { OXYGEN_PCI_SUBID(0x14c3, 0x1711) }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(pci, hifier_ids); |
| |
| struct hifier_data { |
| u8 ak4396_ctl2; |
| }; |
| |
| static void ak4396_write(struct oxygen *chip, u8 reg, u8 value) |
| { |
| oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | |
| OXYGEN_SPI_DATA_LENGTH_2 | |
| OXYGEN_SPI_CLOCK_160 | |
| (0 << OXYGEN_SPI_CODEC_SHIFT) | |
| OXYGEN_SPI_CEN_LATCH_CLOCK_HI, |
| AK4396_WRITE | (reg << 8) | value); |
| } |
| |
| static void hifier_init(struct oxygen *chip) |
| { |
| struct hifier_data *data = chip->model_data; |
| |
| data->ak4396_ctl2 = AK4396_DEM_OFF | AK4396_DFS_NORMAL; |
| ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); |
| ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2); |
| ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM); |
| ak4396_write(chip, AK4396_LCH_ATT, 0xff); |
| ak4396_write(chip, AK4396_RCH_ATT, 0xff); |
| |
| snd_component_add(chip->card, "AK4396"); |
| snd_component_add(chip->card, "CS5340"); |
| } |
| |
| static void hifier_cleanup(struct oxygen *chip) |
| { |
| } |
| |
| static void set_ak4396_params(struct oxygen *chip, |
| struct snd_pcm_hw_params *params) |
| { |
| struct hifier_data *data = chip->model_data; |
| 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; |
| ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB); |
| ak4396_write(chip, AK4396_CONTROL_2, value); |
| ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); |
| } |
| |
| static void update_ak4396_volume(struct oxygen *chip) |
| { |
| ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]); |
| ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]); |
| } |
| |
| static void update_ak4396_mute(struct oxygen *chip) |
| { |
| struct hifier_data *data = chip->model_data; |
| u8 value; |
| |
| value = data->ak4396_ctl2 & ~AK4396_SMUTE; |
| if (chip->dac_mute) |
| value |= AK4396_SMUTE; |
| data->ak4396_ctl2 = value; |
| ak4396_write(chip, AK4396_CONTROL_2, value); |
| } |
| |
| static void set_cs5340_params(struct oxygen *chip, |
| struct snd_pcm_hw_params *params) |
| { |
| } |
| |
| static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0); |
| |
| static int hifier_control_filter(struct snd_kcontrol_new *template) |
| { |
| if (!strcmp(template->name, "Master Playback Volume")) { |
| template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; |
| template->tlv.p = ak4396_db_scale; |
| } else if (!strcmp(template->name, "Stereo Upmixing")) { |
| return 1; /* stereo only - we don't need upmixing */ |
| } |
| return 0; |
| } |
| |
| static const struct oxygen_model model_hifier = { |
| .shortname = "C-Media CMI8787", |
| .longname = "C-Media Oxygen HD Audio", |
| .chip = "CMI8788", |
| .owner = THIS_MODULE, |
| .init = hifier_init, |
| .control_filter = hifier_control_filter, |
| .cleanup = hifier_cleanup, |
| .set_dac_params = set_ak4396_params, |
| .set_adc_params = set_cs5340_params, |
| .update_dac_volume = update_ak4396_volume, |
| .update_dac_mute = update_ak4396_mute, |
| .model_data_size = sizeof(struct hifier_data), |
| .pcm_dev_cfg = PLAYBACK_0_TO_I2S | |
| PLAYBACK_1_TO_SPDIF | |
| CAPTURE_0_FROM_I2S_1, |
| .dac_channels = 2, |
| .dac_volume_min = 0, |
| .dac_volume_max = 255, |
| .function_flags = OXYGEN_FUNCTION_SPI, |
| .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, |
| .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, |
| }; |
| |
| static int __devinit hifier_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_hifier); |
| if (err >= 0) |
| ++dev; |
| return err; |
| } |
| |
| static struct pci_driver hifier_driver = { |
| .name = "CMI8787HiFier", |
| .id_table = hifier_ids, |
| .probe = hifier_probe, |
| .remove = __devexit_p(oxygen_pci_remove), |
| }; |
| |
| static int __init alsa_card_hifier_init(void) |
| { |
| return pci_register_driver(&hifier_driver); |
| } |
| |
| static void __exit alsa_card_hifier_exit(void) |
| { |
| pci_unregister_driver(&hifier_driver); |
| } |
| |
| module_init(alsa_card_hifier_init) |
| module_exit(alsa_card_hifier_exit) |