/*
* 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)
