[deliverable/linux.git] / sound / pci / oxygen / oxygen.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/delay.h>
#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");

enum {
	MODEL_CMEDIA_REF,	/* C-Media's reference design */
	MODEL_MERIDIAN,		/* AuzenTech X-Meridian */
};

static struct pci_device_id oxygen_ids[] __devinitdata = {
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CMEDIA_REF },
	{ }
};
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_registers_init(struct oxygen *chip)
{
	struct generic_data *data = chip->model_data;
	unsigned int i;

	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);
}

static void ak4396_init(struct oxygen *chip)
{
	struct generic_data *data = chip->model_data;

	data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
	ak4396_registers_init(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_registers_init(struct oxygen *chip)
{
	struct generic_data *data = chip->model_data;

	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]);
}

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_registers_init(chip);
	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 generic_resume(struct oxygen *chip)
{
	ak4396_registers_init(chip);
	wm8785_registers_init(chip);
}

static void meridian_resume(struct oxygen *chip)
{
	ak4396_registers_init(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;

	msleep(1); /* wait for the new MCLK to become stable */

	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 int generic_probe(struct oxygen *chip, unsigned long driver_data)
{
	if (driver_data == MODEL_MERIDIAN) {
		chip->model.init = meridian_init;
		chip->model.resume = meridian_resume;
		chip->model.set_adc_params = set_ak5385_params;
		chip->model.device_config = PLAYBACK_0_TO_I2S |
					    PLAYBACK_1_TO_SPDIF |
					    CAPTURE_0_FROM_I2S_2 |
					    CAPTURE_1_FROM_SPDIF;
		chip->model.misc_flags = OXYGEN_MISC_MIDI;
		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
	}
	return 0;
}

static const struct oxygen_model model_generic = {
	.shortname = "C-Media CMI8788",
	.longname = "C-Media Oxygen HD Audio",
	.chip = "CMI8788",
	.owner = THIS_MODULE,
	.probe = generic_probe,
	.init = generic_init,
	.cleanup = generic_cleanup,
	.resume = generic_resume,
	.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),
	.device_config = 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 int __devinit generic_oxygen_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_generic, pci_id->driver_data);
	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),
#ifdef CONFIG_PM
	.suspend = oxygen_pci_suspend,
	.resume = oxygen_pci_resume,
#endif
};

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)
Commit	Line	Data
d0ce9946 CL	1	/*
	2	* C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
	3	*
	4	* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
	5	*
	6	*
	7	* This driver is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License, version 2.
	9	*
	10	* This driver is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this driver; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*/
	19
	20	/*
	21	* SPI 0 -> 1st AK4396 (front)
7113e958	22	* SPI 1 -> 2nd AK4396 (surround)
d0ce9946 CL	23	* SPI 2 -> 3rd AK4396 (center/LFE)
d0ce9946 CL	24	* SPI 3 -> WM8785
7113e958	25	* SPI 4 -> 4th AK4396 (back)
d0ce9946 CL	26	*
	27	* GPIO 0 -> DFS0 of AK5385
	28	* GPIO 1 -> DFS1 of AK5385
	29	*/
	30
df91bc23	31	#include <linux/delay.h>
902b05c1	32	#include <linux/mutex.h>
d0ce9946	33	#include <linux/pci.h>
902b05c1	34	#include <sound/ac97_codec.h>
ccc80fb4	35	#include <sound/control.h>
d0ce9946 CL	36	#include <sound/core.h>
	37	#include <sound/initval.h>
	38	#include <sound/pcm.h>
	39	#include <sound/pcm_params.h>
	40	#include <sound/tlv.h>
	41	#include "oxygen.h"
c626026d	42	#include "ak4396.h"
f5b2368b	43	#include "wm8785.h"
d0ce9946 CL	44
	45	MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
	46	MODULE_DESCRIPTION("C-Media CMI8788 driver");
d023dc0a	47	MODULE_LICENSE("GPL v2");
d0ce9946 CL	48	MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
	49
	50	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
	51	static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
	52	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
	53
	54	module_param_array(index, int, NULL, 0444);
	55	MODULE_PARM_DESC(index, "card index");
	56	module_param_array(id, charp, NULL, 0444);
	57	MODULE_PARM_DESC(id, "ID string");
	58	module_param_array(enable, bool, NULL, 0444);
	59	MODULE_PARM_DESC(enable, "enable card");
	60
2f1b0ec7 CL	61	enum {
	62	MODEL_CMEDIA_REF, /* C-Media's reference design */
	63	MODEL_MERIDIAN, /* AuzenTech X-Meridian */
	64	};
	65
d0ce9946	66	static struct pci_device_id oxygen_ids[] __devinitdata = {
2f1b0ec7 CL	67	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data = MODEL_CMEDIA_REF },
	68	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data = MODEL_CMEDIA_REF },
	69	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data = MODEL_CMEDIA_REF },
	70	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data = MODEL_CMEDIA_REF },
	71	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data = MODEL_CMEDIA_REF },
	72	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data = MODEL_CMEDIA_REF },
	73	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
	74	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
	75	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
	76	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CMEDIA_REF },
d0ce9946 CL	77	{ }
	78	};
	79	MODULE_DEVICE_TABLE(pci, oxygen_ids);
	80
878ac3ee CL	81
	82	#define GPIO_AK5385_DFS_MASK 0x0003
	83	#define GPIO_AK5385_DFS_NORMAL 0x0000
	84	#define GPIO_AK5385_DFS_DOUBLE 0x0001
	85	#define GPIO_AK5385_DFS_QUAD 0x0002
	86
7ef37cd9 CL	87	struct generic_data {
7ef37cd9 CL	88	u8 ak4396_ctl2;
e58aee95	89	u16 saved_wm8785_registers[2];
7ef37cd9 CL	90	};
7ef37cd9 CL	91
d0ce9946 CL	92	static void ak4396_write(struct oxygen *chip, unsigned int codec,
	93	u8 reg, u8 value)
	94	{
	95	/* maps ALSA channel pair number to SPI output */
	96	static const u8 codec_spi_map[4] = {
7113e958	97	0, 1, 2, 4
d0ce9946	98	};
c2353a08	99	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER \|
d0ce9946	100	OXYGEN_SPI_DATA_LENGTH_2 \|
2ea85986	101	OXYGEN_SPI_CLOCK_160 \|
d0ce9946	102	(codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) \|
c2353a08	103	OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
d0ce9946 CL	104	AK4396_WRITE \| (reg << 8) \| value);
	105	}
	106
	107	static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
	108	{
e58aee95 CL	109	struct generic_data *data = chip->model_data;
e58aee95 CL	110
c2353a08	111	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER \|
d0ce9946	112	OXYGEN_SPI_DATA_LENGTH_2 \|
2ea85986	113	OXYGEN_SPI_CLOCK_160 \|
c2353a08 CL	114	(3 << OXYGEN_SPI_CODEC_SHIFT) \|
c2353a08 CL	115	OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
d0ce9946	116	(reg << 9) \| value);
e58aee95 CL	117	if (reg < ARRAY_SIZE(data->saved_wm8785_registers))
e58aee95 CL	118	data->saved_wm8785_registers[reg] = value;
d0ce9946 CL	119	}
d0ce9946 CL	120
bbbfb552 CL	121	static void update_ak4396_volume(struct oxygen *chip)
	122	{
	123	unsigned int i;
	124
	125	for (i = 0; i < 4; ++i) {
	126	ak4396_write(chip, i,
	127	AK4396_LCH_ATT, chip->dac_volume[i * 2]);
	128	ak4396_write(chip, i,
	129	AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
	130	}
	131	}
	132
75146fc0	133	static void ak4396_registers_init(struct oxygen *chip)
d0ce9946	134	{
7ef37cd9	135	struct generic_data *data = chip->model_data;
d0ce9946 CL	136	unsigned int i;
d0ce9946 CL	137
d0ce9946	138	for (i = 0; i < 4; ++i) {
878ac3ee CL	139	ak4396_write(chip, i,
	140	AK4396_CONTROL_1, AK4396_DIF_24_MSB \| AK4396_RSTN);
	141	ak4396_write(chip, i,
7ef37cd9	142	AK4396_CONTROL_2, data->ak4396_ctl2);
878ac3ee CL	143	ak4396_write(chip, i,
878ac3ee CL	144	AK4396_CONTROL_3, AK4396_PCM);
d0ce9946	145	}
bbbfb552	146	update_ak4396_volume(chip);
75146fc0 CL	147	}
	148
	149	static void ak4396_init(struct oxygen *chip)
	150	{
	151	struct generic_data *data = chip->model_data;
	152
	153	data->ak4396_ctl2 = AK4396_SMUTE \| AK4396_DEM_OFF \| AK4396_DFS_NORMAL;
	154	ak4396_registers_init(chip);
d0ce9946 CL	155	snd_component_add(chip->card, "AK4396");
	156	}
	157
	158	static void ak5385_init(struct oxygen *chip)
	159	{
878ac3ee CL	160	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
878ac3ee CL	161	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
d0ce9946 CL	162	snd_component_add(chip->card, "AK5385");
	163	}
	164
75146fc0	165	static void wm8785_registers_init(struct oxygen *chip)
d0ce9946	166	{
e58aee95 CL	167	struct generic_data *data = chip->model_data;
e58aee95 CL	168
878ac3ee	169	wm8785_write(chip, WM8785_R7, 0);
e58aee95 CL	170	wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]);
e58aee95 CL	171	wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]);
75146fc0	172	}
e58aee95	173
75146fc0 CL	174	static void wm8785_init(struct oxygen *chip)
	175	{
	176	struct generic_data *data = chip->model_data;
	177
	178	data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE \|
	179	WM8785_OSR_SINGLE \| WM8785_FORMAT_LJUST;
	180	data->saved_wm8785_registers[1] = WM8785_WL_24;
	181	wm8785_registers_init(chip);
d0ce9946 CL	182	snd_component_add(chip->card, "WM8785");
	183	}
	184
	185	static void generic_init(struct oxygen *chip)
	186	{
	187	ak4396_init(chip);
	188	wm8785_init(chip);
	189	}
	190
	191	static void meridian_init(struct oxygen *chip)
	192	{
	193	ak4396_init(chip);
	194	ak5385_init(chip);
	195	}
	196
	197	static void generic_cleanup(struct oxygen *chip)
	198	{
	199	}
	200
4a4bc53b CL	201	static void generic_resume(struct oxygen *chip)
	202	{
	203	ak4396_registers_init(chip);
	204	wm8785_registers_init(chip);
	205	}
	206
c2bc4ff5 CL	207	static void meridian_resume(struct oxygen *chip)
	208	{
	209	ak4396_registers_init(chip);
	210	}
	211
d0ce9946 CL	212	static void set_ak4396_params(struct oxygen *chip,
	213	struct snd_pcm_hw_params *params)
	214	{
7ef37cd9	215	struct generic_data *data = chip->model_data;
d0ce9946 CL	216	unsigned int i;
	217	u8 value;
	218
7ef37cd9	219	value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
d0ce9946 CL	220	if (params_rate(params) <= 54000)
d0ce9946 CL	221	value \|= AK4396_DFS_NORMAL;
236c4920	222	else if (params_rate(params) <= 108000)
d0ce9946 CL	223	value \|= AK4396_DFS_DOUBLE;
	224	else
	225	value \|= AK4396_DFS_QUAD;
7ef37cd9	226	data->ak4396_ctl2 = value;
df91bc23 CL	227
	228	msleep(1); /* wait for the new MCLK to become stable */
	229
d0ce9946	230	for (i = 0; i < 4; ++i) {
878ac3ee CL	231	ak4396_write(chip, i,
	232	AK4396_CONTROL_1, AK4396_DIF_24_MSB);
	233	ak4396_write(chip, i,
	234	AK4396_CONTROL_2, value);
	235	ak4396_write(chip, i,
	236	AK4396_CONTROL_1, AK4396_DIF_24_MSB \| AK4396_RSTN);
d0ce9946 CL	237	}
	238	}
	239
d0ce9946 CL	240	static void update_ak4396_mute(struct oxygen *chip)
d0ce9946 CL	241	{
7ef37cd9	242	struct generic_data *data = chip->model_data;
d0ce9946 CL	243	unsigned int i;
	244	u8 value;
	245
7ef37cd9	246	value = data->ak4396_ctl2 & ~AK4396_SMUTE;
d0ce9946 CL	247	if (chip->dac_mute)
d0ce9946 CL	248	value \|= AK4396_SMUTE;
7ef37cd9	249	data->ak4396_ctl2 = value;
d0ce9946	250	for (i = 0; i < 4; ++i)
878ac3ee	251	ak4396_write(chip, i, AK4396_CONTROL_2, value);
d0ce9946 CL	252	}
	253
	254	static void set_wm8785_params(struct oxygen *chip,
	255	struct snd_pcm_hw_params *params)
	256	{
	257	unsigned int value;
	258
878ac3ee	259	wm8785_write(chip, WM8785_R7, 0);
d0ce9946	260
878ac3ee	261	value = WM8785_MCR_SLAVE \| WM8785_FORMAT_LJUST;
71e22a4b CL	262	if (params_rate(params) <= 48000)
	263	value \|= WM8785_OSR_SINGLE;
	264	else if (params_rate(params) <= 96000)
d0ce9946	265	value \|= WM8785_OSR_DOUBLE;
d0ce9946	266	else
71e22a4b	267	value \|= WM8785_OSR_QUAD;
878ac3ee	268	wm8785_write(chip, WM8785_R0, value);
d0ce9946 CL	269
	270	if (snd_pcm_format_width(params_format(params)) <= 16)
	271	value = WM8785_WL_16;
	272	else
	273	value = WM8785_WL_24;
878ac3ee	274	wm8785_write(chip, WM8785_R1, value);
d0ce9946 CL	275	}
	276
	277	static void set_ak5385_params(struct oxygen *chip,
	278	struct snd_pcm_hw_params *params)
	279	{
	280	unsigned int value;
	281
	282	if (params_rate(params) <= 54000)
878ac3ee	283	value = GPIO_AK5385_DFS_NORMAL;
d0ce9946	284	else if (params_rate(params) <= 108000)
878ac3ee	285	value = GPIO_AK5385_DFS_DOUBLE;
d0ce9946	286	else
878ac3ee CL	287	value = GPIO_AK5385_DFS_QUAD;
	288	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
	289	value, GPIO_AK5385_DFS_MASK);
d0ce9946 CL	290	}
	291
	292	static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
	293
4bd0c3a6 CL	294	static int generic_probe(struct oxygen *chip, unsigned long driver_data)
	295	{
	296	if (driver_data == MODEL_MERIDIAN) {
	297	chip->model.init = meridian_init;
c2bc4ff5	298	chip->model.resume = meridian_resume;
4bd0c3a6	299	chip->model.set_adc_params = set_ak5385_params;
d76596b1 CL	300	chip->model.device_config = PLAYBACK_0_TO_I2S \|
	301	PLAYBACK_1_TO_SPDIF \|
	302	CAPTURE_0_FROM_I2S_2 \|
	303	CAPTURE_1_FROM_SPDIF;
4bd0c3a6	304	chip->model.misc_flags = OXYGEN_MISC_MIDI;
dbbbd674	305	chip->model.device_config \|= MIDI_OUTPUT \| MIDI_INPUT;
4bd0c3a6 CL	306	}
	307	return 0;
	308	}
	309
d0ce9946 CL	310	static const struct oxygen_model model_generic = {
	311	.shortname = "C-Media CMI8788",
	312	.longname = "C-Media Oxygen HD Audio",
	313	.chip = "CMI8788",
	314	.owner = THIS_MODULE,
4bd0c3a6	315	.probe = generic_probe,
d0ce9946 CL	316	.init = generic_init,
d0ce9946 CL	317	.cleanup = generic_cleanup,
4a4bc53b	318	.resume = generic_resume,
d0ce9946 CL	319	.set_dac_params = set_ak4396_params,
	320	.set_adc_params = set_wm8785_params,
	321	.update_dac_volume = update_ak4396_volume,
	322	.update_dac_mute = update_ak4396_mute,
4972a177	323	.dac_tlv = ak4396_db_scale,
7ef37cd9	324	.model_data_size = sizeof(struct generic_data),
d76596b1 CL	325	.device_config = PLAYBACK_0_TO_I2S \|
	326	PLAYBACK_1_TO_SPDIF \|
	327	PLAYBACK_2_TO_AC97_1 \|
	328	CAPTURE_0_FROM_I2S_1 \|
	329	CAPTURE_1_FROM_SPDIF \|
	330	CAPTURE_2_FROM_AC97_1,
976cd627	331	.dac_channels = 8,
193e8138 CL	332	.dac_volume_min = 0,
193e8138 CL	333	.dac_volume_max = 255,
87eedd2f CL	334	.function_flags = OXYGEN_FUNCTION_SPI \|
87eedd2f CL	335	OXYGEN_FUNCTION_ENABLE_SPI_4_5,
05855ba3 CL	336	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
05855ba3 CL	337	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
d0ce9946	338	};
d0ce9946 CL	339
	340	static int __devinit generic_oxygen_probe(struct pci_dev *pci,
	341	const struct pci_device_id *pci_id)
	342	{
	343	static int dev;
d0ce9946 CL	344	int err;
	345
	346	if (dev >= SNDRV_CARDS)
	347	return -ENODEV;
	348	if (!enable[dev]) {
	349	++dev;
	350	return -ENOENT;
	351	}
db12b8e3	352	err = oxygen_pci_probe(pci, index[dev], id[dev],
4bd0c3a6	353	&model_generic, pci_id->driver_data);
d0ce9946 CL	354	if (err >= 0)
	355	++dev;
	356	return err;
	357	}
	358
	359	static struct pci_driver oxygen_driver = {
	360	.name = "CMI8788",
	361	.id_table = oxygen_ids,
	362	.probe = generic_oxygen_probe,
	363	.remove = __devexit_p(oxygen_pci_remove),
4a4bc53b CL	364	#ifdef CONFIG_PM
	365	.suspend = oxygen_pci_suspend,
	366	.resume = oxygen_pci_resume,
	367	#endif
d0ce9946 CL	368	};
	369
	370	static int __init alsa_card_oxygen_init(void)
	371	{
	372	return pci_register_driver(&oxygen_driver);
	373	}
	374
	375	static void __exit alsa_card_oxygen_exit(void)
	376	{
	377	pci_unregister_driver(&oxygen_driver);
	378	}
	379
	380	module_init(alsa_card_oxygen_init)
	381	module_exit(alsa_card_oxygen_exit)