[net-next-2.6.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 (side)
 * SPI 2 -> 3rd AK4396 (center/LFE)
 * SPI 3 -> WM8785
 * SPI 4 -> 4th AK4396 (rear)
 *
 * GPIO 0 -> DFS0 of AK5385
 * GPIO 1 -> DFS1 of AK5385
 */

#include <linux/pci.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"

MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("C-Media CMI8788 driver");
MODULE_LICENSE("GPL");
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(0x14c3, 0x1710) },
	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
	{ 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 AK4396_WRITE	0x2000

/* register 0 */
#define AK4396_RSTN		0x01
#define AK4396_DIF_24_MSB	0x04
/* register 1 */
#define AK4396_SMUTE		0x01
#define AK4396_DEM_OFF		0x02
#define AK4396_DFS_MASK		0x18
#define AK4396_DFS_NORMAL	0x00
#define AK4396_DFS_DOUBLE	0x08
#define AK4396_DFS_QUAD		0x10

/* register 0 */
#define WM8785_OSR_SINGLE	0x000
#define WM8785_OSR_DOUBLE	0x008
#define WM8785_OSR_QUAD		0x010
#define WM8785_FORMAT_LJUST	0x020
#define WM8785_FORMAT_I2S	0x040
/* register 1 */
#define WM8785_WL_16		0x000
#define WM8785_WL_20		0x001
#define WM8785_WL_24		0x002
#define WM8785_WL_32		0x003

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, 4, 2, 1
	};
	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
			 OXYGEN_SPI_DATA_LENGTH_2 |
			 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_MAGIC,
			 AK4396_WRITE | (reg << 8) | value);
}

static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
{
	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE |
			 OXYGEN_SPI_DATA_LENGTH_2 |
			 (3 << OXYGEN_SPI_CODEC_SHIFT),
			 (reg << 9) | value);
}

static void ak4396_init(struct oxygen *chip)
{
	unsigned int i;

	chip->ak4396_reg1 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i, 0, AK4396_DIF_24_MSB | AK4396_RSTN);
		ak4396_write(chip, i, 1, chip->ak4396_reg1);
		ak4396_write(chip, i, 2, 0);
		ak4396_write(chip, i, 3, 0xff);
		ak4396_write(chip, i, 4, 0xff);
	}
	snd_component_add(chip->card, "AK4396");
}

static void ak5385_init(struct oxygen *chip)
{
	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x0003);
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x0003);
	snd_component_add(chip->card, "AK5385");
}

static void wm8785_init(struct oxygen *chip)
{
	wm8785_write(chip, 7, 0);
	wm8785_write(chip, 0, WM8785_FORMAT_LJUST | WM8785_OSR_SINGLE);
	wm8785_write(chip, 1, WM8785_WL_24);
	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)
{
	unsigned int i;
	u8 value;

	value = chip->ak4396_reg1 & ~AK4396_DFS_MASK;
	if (params_rate(params) <= 54000)
		value |= AK4396_DFS_NORMAL;
	else if (params_rate(params) < 120000)
		value |= AK4396_DFS_DOUBLE;
	else
		value |= AK4396_DFS_QUAD;
	chip->ak4396_reg1 = value;
	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i, 0, AK4396_DIF_24_MSB);
		ak4396_write(chip, i, 1, value);
		ak4396_write(chip, i, 0, AK4396_DIF_24_MSB | AK4396_RSTN);
	}
}

static void update_ak4396_volume(struct oxygen *chip)
{
	unsigned int i;

	for (i = 0; i < 4; ++i) {
		ak4396_write(chip, i, 3, chip->dac_volume[i * 2]);
		ak4396_write(chip, i, 4, chip->dac_volume[i * 2 + 1]);
	}
}

static void update_ak4396_mute(struct oxygen *chip)
{
	unsigned int i;
	u8 value;

	value = chip->ak4396_reg1 & ~AK4396_SMUTE;
	if (chip->dac_mute)
		value |= AK4396_SMUTE;
	for (i = 0; i < 4; ++i)
		ak4396_write(chip, i, 1, value);
}

static void set_wm8785_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	unsigned int value;

	wm8785_write(chip, 7, 0);

	value = WM8785_FORMAT_LJUST;
	if (params_rate(params) == 96000)
		value |= WM8785_OSR_DOUBLE;
	else if (params_rate(params) == 192000)
		value |= WM8785_OSR_QUAD;
	else
		value |= WM8785_OSR_SINGLE;
	wm8785_write(chip, 0, value);

	if (snd_pcm_format_width(params_format(params)) <= 16)
		value = WM8785_WL_16;
	else
		value = WM8785_WL_24;
	wm8785_write(chip, 1, value);
}

static void set_ak5385_params(struct oxygen *chip,
			      struct snd_pcm_hw_params *params)
{
	unsigned int value;

	if (params_rate(params) <= 54000)
		value = 0;
	else if (params_rate(params) <= 108000)
		value = 1;
	else
		value = 2;
	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x0003);
}

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,
};
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,
	.record_from_dma_b = 1,
};

static int __devinit generic_oxygen_probe(struct pci_dev *pci,
					  const struct pci_device_id *pci_id)
{
	static int dev;
	const struct oxygen_model *model;
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;
	if (!enable[dev]) {
		++dev;
		return -ENOENT;
	}
	model = pci_id->driver_data ? &model_meridian : &model_generic;
	err = oxygen_pci_probe(pci, index[dev], id[dev], model);
	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)
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)
	22	* SPI 1 -> 2nd AK4396 (side)
	23	* SPI 2 -> 3rd AK4396 (center/LFE)
	24	* SPI 3 -> WM8785
	25	* SPI 4 -> 4th AK4396 (rear)
	26	*
	27	* GPIO 0 -> DFS0 of AK5385
	28	* GPIO 1 -> DFS1 of AK5385
	29	*/
	30
d0ce9946 CL	31	#include <linux/pci.h>
	32	#include <sound/core.h>
	33	#include <sound/initval.h>
	34	#include <sound/pcm.h>
	35	#include <sound/pcm_params.h>
	36	#include <sound/tlv.h>
	37	#include "oxygen.h"
	38
	39	MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
	40	MODULE_DESCRIPTION("C-Media CMI8788 driver");
	41	MODULE_LICENSE("GPL");
	42	MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
	43
	44	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
	45	static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
	46	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
	47
	48	module_param_array(index, int, NULL, 0444);
	49	MODULE_PARM_DESC(index, "card index");
	50	module_param_array(id, charp, NULL, 0444);
	51	MODULE_PARM_DESC(id, "ID string");
	52	module_param_array(enable, bool, NULL, 0444);
	53	MODULE_PARM_DESC(enable, "enable card");
	54
	55	static struct pci_device_id oxygen_ids[] __devinitdata = {
	56	{ OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
	57	{ OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
	58	{ OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
	59	{ OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
	60	{ OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
	61	{ OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
	62	{ OXYGEN_PCI_SUBID(0x147a, 0xa017) },
	63	{ OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
	64	{ OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
	65	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
	66	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
	67	{ OXYGEN_PCI_SUBID(0x7284, 0x9761) },
	68	{ }
	69	};
	70	MODULE_DEVICE_TABLE(pci, oxygen_ids);
	71
	72	#define AK4396_WRITE 0x2000
	73
	74	/* register 0 */
	75	#define AK4396_RSTN 0x01
	76	#define AK4396_DIF_24_MSB 0x04
	77	/* register 1 */
	78	#define AK4396_SMUTE 0x01
	79	#define AK4396_DEM_OFF 0x02
	80	#define AK4396_DFS_MASK 0x18
	81	#define AK4396_DFS_NORMAL 0x00
	82	#define AK4396_DFS_DOUBLE 0x08
	83	#define AK4396_DFS_QUAD 0x10
	84
	85	/* register 0 */
	86	#define WM8785_OSR_SINGLE 0x000
	87	#define WM8785_OSR_DOUBLE 0x008
	88	#define WM8785_OSR_QUAD 0x010
	89	#define WM8785_FORMAT_LJUST 0x020
	90	#define WM8785_FORMAT_I2S 0x040
	91	/* register 1 */
	92	#define WM8785_WL_16 0x000
	93	#define WM8785_WL_20 0x001
	94	#define WM8785_WL_24 0x002
95	#define WM8785_WL_32 0x003
96
97	static void ak4396_write(struct oxygen *chip, unsigned int codec,
98	u8 reg, u8 value)
99	{
100	/* maps ALSA channel pair number to SPI output */
101	static const u8 codec_spi_map[4] = {
102	0, 4, 2, 1
103	};
104	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE \|
105	OXYGEN_SPI_DATA_LENGTH_2 \|
106	(codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) \|
107	OXYGEN_SPI_MAGIC,
108	AK4396_WRITE \| (reg << 8) \| value);
109	}
110
111	static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
112	{
113	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER_WRITE \|
114	OXYGEN_SPI_DATA_LENGTH_2 \|
115	(3 << OXYGEN_SPI_CODEC_SHIFT),
116	(reg << 9) \| value);
117	}
118
119	static void ak4396_init(struct oxygen *chip)
120	{
121	unsigned int i;
122
123	chip->ak4396_reg1 = AK4396_DEM_OFF \| AK4396_DFS_NORMAL;
124	for (i = 0; i < 4; ++i) {
125	ak4396_write(chip, i, 0, AK4396_DIF_24_MSB \| AK4396_RSTN);
126	ak4396_write(chip, i, 1, chip->ak4396_reg1);
127	ak4396_write(chip, i, 2, 0);
128	ak4396_write(chip, i, 3, 0xff);
129	ak4396_write(chip, i, 4, 0xff);
130	}
131	snd_component_add(chip->card, "AK4396");
132	}
133
134	static void ak5385_init(struct oxygen *chip)
135	{
136	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x0003);
137	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, 0x0003);
138	snd_component_add(chip->card, "AK5385");
139	}
140
141	static void wm8785_init(struct oxygen *chip)
142	{
143	wm8785_write(chip, 7, 0);
144	wm8785_write(chip, 0, WM8785_FORMAT_LJUST \| WM8785_OSR_SINGLE);
145	wm8785_write(chip, 1, WM8785_WL_24);
146	snd_component_add(chip->card, "WM8785");
147	}
148
149	static void generic_init(struct oxygen *chip)
150	{
151	ak4396_init(chip);
152	wm8785_init(chip);
153	}
154
155	static void meridian_init(struct oxygen *chip)
156	{
157	ak4396_init(chip);
158	ak5385_init(chip);
159	}
160
161	static void generic_cleanup(struct oxygen *chip)
162	{
163	}
164
165	static void set_ak4396_params(struct oxygen *chip,
166	struct snd_pcm_hw_params *params)
167	{
168	unsigned int i;
169	u8 value;
170
171	value = chip->ak4396_reg1 & ~AK4396_DFS_MASK;
172	if (params_rate(params) <= 54000)
173	value \|= AK4396_DFS_NORMAL;
174	else if (params_rate(params) < 120000)
175	value \|= AK4396_DFS_DOUBLE;
176	else
177	value \|= AK4396_DFS_QUAD;
178	chip->ak4396_reg1 = value;
179	for (i = 0; i < 4; ++i) {
180	ak4396_write(chip, i, 0, AK4396_DIF_24_MSB);
181	ak4396_write(chip, i, 1, value);
182	ak4396_write(chip, i, 0, AK4396_DIF_24_MSB \| AK4396_RSTN);
183	}
184	}
185
186	static void update_ak4396_volume(struct oxygen *chip)
187	{
188	unsigned int i;
189
190	for (i = 0; i < 4; ++i) {
191	ak4396_write(chip, i, 3, chip->dac_volume[i * 2]);
192	ak4396_write(chip, i, 4, chip->dac_volume[i * 2 + 1]);
193	}
194	}
195
196	static void update_ak4396_mute(struct oxygen *chip)
197	{
198	unsigned int i;
199	u8 value;
200
201	value = chip->ak4396_reg1 & ~AK4396_SMUTE;
202	if (chip->dac_mute)
203	value \|= AK4396_SMUTE;
204	for (i = 0; i < 4; ++i)
205	ak4396_write(chip, i, 1, value);
206	}
207
208	static void set_wm8785_params(struct oxygen *chip,
209	struct snd_pcm_hw_params *params)
210	{
211	unsigned int value;
212
213	wm8785_write(chip, 7, 0);
214
215	value = WM8785_FORMAT_LJUST;
216	if (params_rate(params) == 96000)
217	value \|= WM8785_OSR_DOUBLE;
218	else if (params_rate(params) == 192000)
219	value \|= WM8785_OSR_QUAD;
220	else
221	value \|= WM8785_OSR_SINGLE;
222	wm8785_write(chip, 0, value);
223
224	if (snd_pcm_format_width(params_format(params)) <= 16)
225	value = WM8785_WL_16;
226	else
227	value = WM8785_WL_24;
228	wm8785_write(chip, 1, value);
229	}
230
231	static void set_ak5385_params(struct oxygen *chip,
232	struct snd_pcm_hw_params *params)
233	{
234	unsigned int value;
235
236	if (params_rate(params) <= 54000)
237	value = 0;
238	else if (params_rate(params) <= 108000)
239	value = 1;
240	else
241	value = 2;
242	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, value, 0x0003);
243	}
244
245	static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
246
247	static const struct oxygen_model model_generic = {
248	.shortname = "C-Media CMI8788",
249	.longname = "C-Media Oxygen HD Audio",
250	.chip = "CMI8788",
251	.owner = THIS_MODULE,
252	.init = generic_init,
253	.cleanup = generic_cleanup,
254	.set_dac_params = set_ak4396_params,
255	.set_adc_params = set_wm8785_params,
256	.update_dac_volume = update_ak4396_volume,
257	.update_dac_mute = update_ak4396_mute,
258	.dac_tlv = ak4396_db_scale,
259	};
260	static const struct oxygen_model model_meridian = {
261	.shortname = "C-Media CMI8788",
262	.longname = "C-Media Oxygen HD Audio",
263	.chip = "CMI8788",
264	.owner = THIS_MODULE,
265	.init = meridian_init,
266	.cleanup = generic_cleanup,
267	.set_dac_params = set_ak4396_params,
268	.set_adc_params = set_ak5385_params,
269	.update_dac_volume = update_ak4396_volume,
270	.update_dac_mute = update_ak4396_mute,
271	.dac_tlv = ak4396_db_scale,
272	.record_from_dma_b = 1,
273	};
274
275	static int __devinit generic_oxygen_probe(struct pci_dev *pci,
276	const struct pci_device_id *pci_id)
277	{
278	static int dev;
279	const struct oxygen_model *model;
280	int err;
281
282	if (dev >= SNDRV_CARDS)
283	return -ENODEV;
284	if (!enable[dev]) {
285	++dev;
286	return -ENOENT;
287	}
288	model = pci_id->driver_data ? &model_meridian : &model_generic;
289	err = oxygen_pci_probe(pci, index[dev], id[dev], model);
290	if (err >= 0)
291	++dev;
292	return err;
293	}
294
295	static struct pci_driver oxygen_driver = {
296	.name = "CMI8788",
297	.id_table = oxygen_ids,
298	.probe = generic_oxygen_probe,
299	.remove = __devexit_p(oxygen_pci_remove),
300	};
301
302	static int __init alsa_card_oxygen_init(void)
303	{
304	return pci_register_driver(&oxygen_driver);
305	}
306
307	static void __exit alsa_card_oxygen_exit(void)
308	{
309	pci_unregister_driver(&oxygen_driver);
310	}
311
312	module_init(alsa_card_oxygen_init)
313	module_exit(alsa_card_oxygen_exit)