mirror of https://gitee.com/openkylin/linux.git
217 lines
5.7 KiB
C
217 lines
5.7 KiB
C
/*
|
|
* 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/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 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 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 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_ctl2);
|
|
ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
|
|
update_ak4396_volume(chip);
|
|
}
|
|
|
|
static void hifier_init(struct oxygen *chip)
|
|
{
|
|
struct hifier_data *data = chip->model_data;
|
|
|
|
data->ak4396_ctl2 = 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_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 */
|
|
|
|
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_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, "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,
|
|
.resume = hifier_resume,
|
|
.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 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, 0);
|
|
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)
|