+++ /dev/null
-/*
- * 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
- */
-
-/*
- * CMI8788:
- *
- * SPI 0 -> AK4396
- */
-
-#include <linux/delay.h>
-#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 v2");
-
-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 DEFINE_PCI_DEVICE_TABLE(hifier_ids) = {
- { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
- { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
- { OXYGEN_PCI_SUBID_BROKEN_EEPROM },
- { }
-};
-MODULE_DEVICE_TABLE(pci, hifier_ids);
-
-struct hifier_data {
- u8 ak4396_regs[5];
-};
-
-static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
-{
- struct hifier_data *data = chip->model_data;
-
- 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);
- data->ak4396_regs[reg] = value;
-}
-
-static void ak4396_write_cached(struct oxygen *chip, u8 reg, u8 value)
-{
- struct hifier_data *data = chip->model_data;
-
- if (value != data->ak4396_regs[reg])
- ak4396_write(chip, reg, value);
-}
-
-static void hifier_registers_init(struct oxygen *chip)
-{
- struct hifier_data *data = chip->model_data;
-
- ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
- ak4396_write(chip, AK4396_CONTROL_2,
- data->ak4396_regs[AK4396_CONTROL_2]);
- ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
- ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
- ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
-}
-
-static void hifier_init(struct oxygen *chip)
-{
- struct hifier_data *data = chip->model_data;
-
- data->ak4396_regs[AK4396_CONTROL_2] =
- AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
- hifier_registers_init(chip);
-
- snd_component_add(chip->card, "AK4396");
- snd_component_add(chip->card, "CS5340");
-}
-
-static void hifier_cleanup(struct oxygen *chip)
-{
-}
-
-static void hifier_resume(struct oxygen *chip)
-{
- hifier_registers_init(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_regs[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[AK4396_CONTROL_2]) {
- 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_cached(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
- ak4396_write_cached(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_regs[AK4396_CONTROL_2] & ~AK4396_SMUTE;
- if (chip->dac_mute)
- value |= AK4396_SMUTE;
- ak4396_write_cached(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 const struct oxygen_model model_hifier = {
- .shortname = "C-Media CMI8787",
- .longname = "C-Media Oxygen HD Audio",
- .chip = "CMI8788",
- .init = hifier_init,
- .cleanup = hifier_cleanup,
- .resume = hifier_resume,
- .get_i2s_mclk = oxygen_default_i2s_mclk,
- .set_dac_params = set_ak4396_params,
- .set_adc_params = set_cs5340_params,
- .update_dac_volume = update_ak4396_volume,
- .update_dac_mute = update_ak4396_mute,
- .dac_tlv = ak4396_db_scale,
- .model_data_size = sizeof(struct hifier_data),
- .device_config = 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 get_hifier_model(struct oxygen *chip,
- const struct pci_device_id *id)
-{
- chip->model = model_hifier;
- return 0;
-}
-
-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], THIS_MODULE,
- hifier_ids, get_hifier_model);
- 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),
-#ifdef CONFIG_PM
- .suspend = oxygen_pci_suspend,
- .resume = oxygen_pci_resume,
-#endif
-};
-
-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)
projects / mv-sheeva.git / blobdiff