[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");

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_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 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 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,
	.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),
	.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,
	.resume = ak4396_registers_init,
	.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,
			       0);
	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
	61	static struct pci_device_id oxygen_ids[] __devinitdata = {
	62	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
	63	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
	64	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
	65	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
	66	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
	67	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
	68	{ OXYGEN_PCI_SUBID(0x147a, 0xa017) },
d0ce9946 CL	69	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
	70	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
	71	{ OXYGEN_PCI_SUBID(0x7284, 0x9761) },
	72	{ }
	73	};
	74	MODULE_DEVICE_TABLE(pci, oxygen_ids);
	75
878ac3ee CL	76
	77	#define GPIO_AK5385_DFS_MASK 0x0003
	78	#define GPIO_AK5385_DFS_NORMAL 0x0000
	79	#define GPIO_AK5385_DFS_DOUBLE 0x0001
	80	#define GPIO_AK5385_DFS_QUAD 0x0002
	81
7ef37cd9 CL	82	struct generic_data {
7ef37cd9 CL	83	u8 ak4396_ctl2;
e58aee95	84	u16 saved_wm8785_registers[2];
7ef37cd9 CL	85	};
7ef37cd9 CL	86
d0ce9946 CL	87	static void ak4396_write(struct oxygen *chip, unsigned int codec,
	88	u8 reg, u8 value)
	89	{
	90	/* maps ALSA channel pair number to SPI output */
	91	static const u8 codec_spi_map[4] = {
7113e958	92	0, 1, 2, 4
d0ce9946	93	};
c2353a08	94	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER \|
d0ce9946	95	OXYGEN_SPI_DATA_LENGTH_2 \|
2ea85986	96	OXYGEN_SPI_CLOCK_160 \|
d0ce9946	97	(codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) \|
c2353a08	98	OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
d0ce9946 CL	99	AK4396_WRITE \| (reg << 8) \| value);
	100	}
	101
	102	static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
	103	{
e58aee95 CL	104	struct generic_data *data = chip->model_data;
e58aee95 CL	105
c2353a08	106	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER \|
d0ce9946	107	OXYGEN_SPI_DATA_LENGTH_2 \|
2ea85986	108	OXYGEN_SPI_CLOCK_160 \|
c2353a08 CL	109	(3 << OXYGEN_SPI_CODEC_SHIFT) \|
c2353a08 CL	110	OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
d0ce9946	111	(reg << 9) \| value);
e58aee95 CL	112	if (reg < ARRAY_SIZE(data->saved_wm8785_registers))
e58aee95 CL	113	data->saved_wm8785_registers[reg] = value;
d0ce9946 CL	114	}
d0ce9946 CL	115
bbbfb552 CL	116	static void update_ak4396_volume(struct oxygen *chip)
	117	{
	118	unsigned int i;
	119
	120	for (i = 0; i < 4; ++i) {
	121	ak4396_write(chip, i,
	122	AK4396_LCH_ATT, chip->dac_volume[i * 2]);
	123	ak4396_write(chip, i,
	124	AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
	125	}
	126	}
	127
75146fc0	128	static void ak4396_registers_init(struct oxygen *chip)
d0ce9946	129	{
7ef37cd9	130	struct generic_data *data = chip->model_data;
d0ce9946 CL	131	unsigned int i;
d0ce9946 CL	132
d0ce9946	133	for (i = 0; i < 4; ++i) {
878ac3ee CL	134	ak4396_write(chip, i,
	135	AK4396_CONTROL_1, AK4396_DIF_24_MSB \| AK4396_RSTN);
	136	ak4396_write(chip, i,
7ef37cd9	137	AK4396_CONTROL_2, data->ak4396_ctl2);
878ac3ee CL	138	ak4396_write(chip, i,
878ac3ee CL	139	AK4396_CONTROL_3, AK4396_PCM);
d0ce9946	140	}
bbbfb552	141	update_ak4396_volume(chip);
75146fc0 CL	142	}
	143
	144	static void ak4396_init(struct oxygen *chip)
	145	{
	146	struct generic_data *data = chip->model_data;
	147
	148	data->ak4396_ctl2 = AK4396_SMUTE \| AK4396_DEM_OFF \| AK4396_DFS_NORMAL;
	149	ak4396_registers_init(chip);
d0ce9946 CL	150	snd_component_add(chip->card, "AK4396");
	151	}
	152
	153	static void ak5385_init(struct oxygen *chip)
	154	{
878ac3ee CL	155	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
878ac3ee CL	156	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
d0ce9946 CL	157	snd_component_add(chip->card, "AK5385");
	158	}
	159
75146fc0	160	static void wm8785_registers_init(struct oxygen *chip)
d0ce9946	161	{
e58aee95 CL	162	struct generic_data *data = chip->model_data;
e58aee95 CL	163
878ac3ee	164	wm8785_write(chip, WM8785_R7, 0);
e58aee95 CL	165	wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]);
e58aee95 CL	166	wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]);
75146fc0	167	}
e58aee95	168
75146fc0 CL	169	static void wm8785_init(struct oxygen *chip)
	170	{
	171	struct generic_data *data = chip->model_data;
	172
	173	data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE \|
	174	WM8785_OSR_SINGLE \| WM8785_FORMAT_LJUST;
	175	data->saved_wm8785_registers[1] = WM8785_WL_24;
	176	wm8785_registers_init(chip);
d0ce9946 CL	177	snd_component_add(chip->card, "WM8785");
	178	}
	179
	180	static void generic_init(struct oxygen *chip)
	181	{
	182	ak4396_init(chip);
	183	wm8785_init(chip);
	184	}
	185
	186	static void meridian_init(struct oxygen *chip)
	187	{
	188	ak4396_init(chip);
	189	ak5385_init(chip);
	190	}
	191
	192	static void generic_cleanup(struct oxygen *chip)
	193	{
	194	}
	195
4a4bc53b CL	196	static void generic_resume(struct oxygen *chip)
	197	{
	198	ak4396_registers_init(chip);
	199	wm8785_registers_init(chip);
	200	}
	201
d0ce9946 CL	202	static void set_ak4396_params(struct oxygen *chip,
	203	struct snd_pcm_hw_params *params)
	204	{
7ef37cd9	205	struct generic_data *data = chip->model_data;
d0ce9946 CL	206	unsigned int i;
	207	u8 value;
	208
7ef37cd9	209	value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
d0ce9946 CL	210	if (params_rate(params) <= 54000)
d0ce9946 CL	211	value \|= AK4396_DFS_NORMAL;
236c4920	212	else if (params_rate(params) <= 108000)
d0ce9946 CL	213	value \|= AK4396_DFS_DOUBLE;
	214	else
	215	value \|= AK4396_DFS_QUAD;
7ef37cd9	216	data->ak4396_ctl2 = value;
df91bc23 CL	217
	218	msleep(1); /* wait for the new MCLK to become stable */
	219
d0ce9946	220	for (i = 0; i < 4; ++i) {
878ac3ee CL	221	ak4396_write(chip, i,
	222	AK4396_CONTROL_1, AK4396_DIF_24_MSB);
	223	ak4396_write(chip, i,
	224	AK4396_CONTROL_2, value);
	225	ak4396_write(chip, i,
	226	AK4396_CONTROL_1, AK4396_DIF_24_MSB \| AK4396_RSTN);
d0ce9946 CL	227	}
	228	}
	229
d0ce9946 CL	230	static void update_ak4396_mute(struct oxygen *chip)
d0ce9946 CL	231	{
7ef37cd9	232	struct generic_data *data = chip->model_data;
d0ce9946 CL	233	unsigned int i;
	234	u8 value;
	235
7ef37cd9	236	value = data->ak4396_ctl2 & ~AK4396_SMUTE;
d0ce9946 CL	237	if (chip->dac_mute)
d0ce9946 CL	238	value \|= AK4396_SMUTE;
7ef37cd9	239	data->ak4396_ctl2 = value;
d0ce9946	240	for (i = 0; i < 4; ++i)
878ac3ee	241	ak4396_write(chip, i, AK4396_CONTROL_2, value);
d0ce9946 CL	242	}
	243
	244	static void set_wm8785_params(struct oxygen *chip,
	245	struct snd_pcm_hw_params *params)
	246	{
	247	unsigned int value;
	248
878ac3ee	249	wm8785_write(chip, WM8785_R7, 0);
d0ce9946	250
878ac3ee	251	value = WM8785_MCR_SLAVE \| WM8785_FORMAT_LJUST;
71e22a4b CL	252	if (params_rate(params) <= 48000)
	253	value \|= WM8785_OSR_SINGLE;
	254	else if (params_rate(params) <= 96000)
d0ce9946	255	value \|= WM8785_OSR_DOUBLE;
d0ce9946	256	else
71e22a4b	257	value \|= WM8785_OSR_QUAD;
878ac3ee	258	wm8785_write(chip, WM8785_R0, value);
d0ce9946 CL	259
	260	if (snd_pcm_format_width(params_format(params)) <= 16)
	261	value = WM8785_WL_16;
	262	else
	263	value = WM8785_WL_24;
878ac3ee	264	wm8785_write(chip, WM8785_R1, value);
d0ce9946 CL	265	}
	266
	267	static void set_ak5385_params(struct oxygen *chip,
	268	struct snd_pcm_hw_params *params)
	269	{
	270	unsigned int value;
	271
	272	if (params_rate(params) <= 54000)
878ac3ee	273	value = GPIO_AK5385_DFS_NORMAL;
d0ce9946	274	else if (params_rate(params) <= 108000)
878ac3ee	275	value = GPIO_AK5385_DFS_DOUBLE;
d0ce9946	276	else
878ac3ee CL	277	value = GPIO_AK5385_DFS_QUAD;
	278	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
	279	value, GPIO_AK5385_DFS_MASK);
d0ce9946 CL	280	}
	281
	282	static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
	283
	284	static const struct oxygen_model model_generic = {
	285	.shortname = "C-Media CMI8788",
	286	.longname = "C-Media Oxygen HD Audio",
	287	.chip = "CMI8788",
	288	.owner = THIS_MODULE,
	289	.init = generic_init,
	290	.cleanup = generic_cleanup,
4a4bc53b	291	.resume = generic_resume,
d0ce9946 CL	292	.set_dac_params = set_ak4396_params,
	293	.set_adc_params = set_wm8785_params,
	294	.update_dac_volume = update_ak4396_volume,
	295	.update_dac_mute = update_ak4396_mute,
4972a177	296	.dac_tlv = ak4396_db_scale,
7ef37cd9	297	.model_data_size = sizeof(struct generic_data),
f009ad9b CL	298	.pcm_dev_cfg = PLAYBACK_0_TO_I2S \|
	299	PLAYBACK_1_TO_SPDIF \|
	300	PLAYBACK_2_TO_AC97_1 \|
	301	CAPTURE_0_FROM_I2S_1 \|
	302	CAPTURE_1_FROM_SPDIF \|
	303	CAPTURE_2_FROM_AC97_1,
976cd627	304	.dac_channels = 8,
193e8138 CL	305	.dac_volume_min = 0,
193e8138 CL	306	.dac_volume_max = 255,
87eedd2f CL	307	.function_flags = OXYGEN_FUNCTION_SPI \|
87eedd2f CL	308	OXYGEN_FUNCTION_ENABLE_SPI_4_5,
05855ba3 CL	309	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
05855ba3 CL	310	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
d0ce9946 CL	311	};
	312	static const struct oxygen_model model_meridian = {
	313	.shortname = "C-Media CMI8788",
	314	.longname = "C-Media Oxygen HD Audio",
	315	.chip = "CMI8788",
	316	.owner = THIS_MODULE,
	317	.init = meridian_init,
	318	.cleanup = generic_cleanup,
4a4bc53b	319	.resume = ak4396_registers_init,
d0ce9946 CL	320	.set_dac_params = set_ak4396_params,
	321	.set_adc_params = set_ak5385_params,
	322	.update_dac_volume = update_ak4396_volume,
	323	.update_dac_mute = update_ak4396_mute,
4972a177	324	.dac_tlv = ak4396_db_scale,
7ef37cd9	325	.model_data_size = sizeof(struct generic_data),
f009ad9b CL	326	.pcm_dev_cfg = PLAYBACK_0_TO_I2S \|
	327	PLAYBACK_1_TO_SPDIF \|
	328	PLAYBACK_2_TO_AC97_1 \|
	329	CAPTURE_0_FROM_I2S_2 \|
	330	CAPTURE_1_FROM_SPDIF \|
	331	CAPTURE_2_FROM_AC97_1,
976cd627	332	.dac_channels = 8,
193e8138 CL	333	.dac_volume_min = 0,
193e8138 CL	334	.dac_volume_max = 255,
db12b8e3	335	.misc_flags = OXYGEN_MISC_MIDI,
87eedd2f CL	336	.function_flags = OXYGEN_FUNCTION_SPI \|
87eedd2f CL	337	OXYGEN_FUNCTION_ENABLE_SPI_4_5,
05855ba3 CL	338	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
05855ba3 CL	339	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
d0ce9946 CL	340	};
	341
	342	static int __devinit generic_oxygen_probe(struct pci_dev *pci,
	343	const struct pci_device_id *pci_id)
	344	{
	345	static int dev;
cd93dc8c	346	int is_meridian;
d0ce9946 CL	347	int err;
	348
	349	if (dev >= SNDRV_CARDS)
	350	return -ENODEV;
	351	if (!enable[dev]) {
	352	++dev;
	353	return -ENOENT;
	354	}
cd93dc8c	355	is_meridian = pci_id->driver_data;
db12b8e3	356	err = oxygen_pci_probe(pci, index[dev], id[dev],
568c59e7 CL	357	is_meridian ? &model_meridian : &model_generic,
568c59e7 CL	358	0);
d0ce9946 CL	359	if (err >= 0)
	360	++dev;
	361	return err;
	362	}
	363
	364	static struct pci_driver oxygen_driver = {
	365	.name = "CMI8788",
	366	.id_table = oxygen_ids,
	367	.probe = generic_oxygen_probe,
	368	.remove = __devexit_p(oxygen_pci_remove),
4a4bc53b CL	369	#ifdef CONFIG_PM
	370	.suspend = oxygen_pci_suspend,
	371	.resume = oxygen_pci_resume,
	372	#endif
d0ce9946 CL	373	};
	374
	375	static int __init alsa_card_oxygen_init(void)
	376	{
	377	return pci_register_driver(&oxygen_driver);
	378	}
	379
	380	static void __exit alsa_card_oxygen_exit(void)
	381	{
	382	pci_unregister_driver(&oxygen_driver);
	383	}
	384
	385	module_init(alsa_card_oxygen_init)
	386	module_exit(alsa_card_oxygen_exit)