358 строки
9.6 KiB
C
358 строки
9.6 KiB
C
/*
|
|
* 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/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");
|
|
|
|
static struct pci_device_id oxygen_ids[] __devinitdata = {
|
|
{ OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
|
|
{ OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
|
|
{ OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
|
|
{ OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
|
|
{ OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
|
|
{ OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
|
|
{ OXYGEN_PCI_SUBID(0x147a, 0xa017) },
|
|
{ OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
|
|
{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
|
|
{ OXYGEN_PCI_SUBID(0x7284, 0x9761) },
|
|
{ }
|
|
};
|
|
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_init(struct oxygen *chip)
|
|
{
|
|
struct generic_data *data = chip->model_data;
|
|
unsigned int i;
|
|
|
|
data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
|
|
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);
|
|
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_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_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]);
|
|
|
|
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 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;
|
|
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 const struct oxygen_model model_generic = {
|
|
.shortname = "C-Media CMI8788",
|
|
.longname = "C-Media Oxygen HD Audio",
|
|
.chip = "CMI8788",
|
|
.owner = THIS_MODULE,
|
|
.init = generic_init,
|
|
.cleanup = generic_cleanup,
|
|
.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),
|
|
.pcm_dev_cfg = 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 const struct oxygen_model model_meridian = {
|
|
.shortname = "C-Media CMI8788",
|
|
.longname = "C-Media Oxygen HD Audio",
|
|
.chip = "CMI8788",
|
|
.owner = THIS_MODULE,
|
|
.init = meridian_init,
|
|
.cleanup = generic_cleanup,
|
|
.set_dac_params = set_ak4396_params,
|
|
.set_adc_params = set_ak5385_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),
|
|
.pcm_dev_cfg = PLAYBACK_0_TO_I2S |
|
|
PLAYBACK_1_TO_SPDIF |
|
|
PLAYBACK_2_TO_AC97_1 |
|
|
CAPTURE_0_FROM_I2S_2 |
|
|
CAPTURE_1_FROM_SPDIF |
|
|
CAPTURE_2_FROM_AC97_1,
|
|
.dac_channels = 8,
|
|
.dac_volume_min = 0,
|
|
.dac_volume_max = 255,
|
|
.misc_flags = OXYGEN_MISC_MIDI,
|
|
.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 is_meridian;
|
|
int err;
|
|
|
|
if (dev >= SNDRV_CARDS)
|
|
return -ENODEV;
|
|
if (!enable[dev]) {
|
|
++dev;
|
|
return -ENOENT;
|
|
}
|
|
is_meridian = pci_id->driver_data;
|
|
err = oxygen_pci_probe(pci, index[dev], id[dev],
|
|
is_meridian ? &model_meridian : &model_generic);
|
|
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),
|
|
};
|
|
|
|
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)
|