[deliverable/linux.git] / sound / soc / pxa / mioa701_wm9713.c

/*
 * Handles the Mitac mioa701 SoC system
 *
 * Copyright (C) 2008 Robert Jarzmik
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation in version 2 of the License.
 *
 * This program 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * This is a little schema of the sound interconnections :
 *
 *    Sagem X200                 Wolfson WM9713
 *    +--------+             +-------------------+      Rear Speaker
 *    |        |             |                   |           /-+
 *    |        +--->----->---+MONOIN         SPKL+--->----+-+  |
 *    |  GSM   |             |                   |        | |  |
 *    |        +--->----->---+PCBEEP         SPKR+--->----+-+  |
 *    |  CHIP  |             |                   |           \-+
 *    |        +---<-----<---+MONO               |
 *    |        |             |                   |      Front Speaker
 *    +--------+             |                   |           /-+
 *                           |                HPL+--->----+-+  |
 *                           |                   |        | |  |
 *                           |               OUT3+--->----+-+  |
 *                           |                   |           \-+
 *                           |                   |
 *                           |                   |     Front Micro
 *                           |                   |         +
 *                           |               MIC1+-----<--+o+
 *                           |                   |         +
 *                           +-------------------+        ---
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>

#include <asm/mach-types.h>
#include <mach/audio.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/ac97_codec.h>

#include "pxa2xx-ac97.h"
#include "../codecs/wm9713.h"

#define AC97_GPIO_PULL		0x58

/* Use GPIO8 for rear speaker amplifier */
static int rear_amp_power(struct snd_soc_codec *codec, int power)
{
	unsigned short reg;

	if (power) {
		reg = snd_soc_read(codec, AC97_GPIO_CFG);
		snd_soc_write(codec, AC97_GPIO_CFG, reg | 0x0100);
		reg = snd_soc_read(codec, AC97_GPIO_PULL);
		snd_soc_write(codec, AC97_GPIO_PULL, reg | (1<<15));
	} else {
		reg = snd_soc_read(codec, AC97_GPIO_CFG);
		snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100);
		reg = snd_soc_read(codec, AC97_GPIO_PULL);
		snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15));
	}

	return 0;
}

static int rear_amp_event(struct snd_soc_dapm_widget *widget,
			  struct snd_kcontrol *kctl, int event)
{
	struct snd_soc_codec *codec = widget->codec;

	return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event));
}

/* mioa701 machine dapm widgets */
static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Front Speaker", NULL),
	SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event),
	SND_SOC_DAPM_MIC("Headset", NULL),
	SND_SOC_DAPM_LINE("GSM Line Out", NULL),
	SND_SOC_DAPM_LINE("GSM Line In", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Front Mic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* Call Mic */
	{"Mic Bias", NULL, "Front Mic"},
	{"MIC1", NULL, "Mic Bias"},

	/* Headset Mic */
	{"LINEL", NULL, "Headset Mic"},
	{"LINER", NULL, "Headset Mic"},

	/* GSM Module */
	{"MONOIN", NULL, "GSM Line Out"},
	{"PCBEEP", NULL, "GSM Line Out"},
	{"GSM Line In", NULL, "MONO"},

	/* headphone connected to HPL, HPR */
	{"Headset", NULL, "HPL"},
	{"Headset", NULL, "HPR"},

	/* front speaker connected to HPL, OUT3 */
	{"Front Speaker", NULL, "HPL"},
	{"Front Speaker", NULL, "OUT3"},

	/* rear speaker connected to SPKL, SPKR */
	{"Rear Speaker", NULL, "SPKL"},
	{"Rear Speaker", NULL, "SPKR"},
};

static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;

	/* Prepare GPIO8 for rear speaker amplifier */
	snd_soc_update_bits(codec, AC97_GPIO_CFG, 0x100, 0x100);

	/* Prepare MIC input */
	snd_soc_update_bits(codec, AC97_3D_CONTROL, 0xc000, 0xc000);

	return 0;
}

static struct snd_soc_ops mioa701_ops;

static struct snd_soc_dai_link mioa701_dai[] = {
	{
		.name = "AC97",
		.stream_name = "AC97 HiFi",
		.cpu_dai_name = "pxa2xx-ac97",
		.codec_dai_name = "wm9713-hifi",
		.codec_name = "wm9713-codec",
		.init = mioa701_wm9713_init,
		.platform_name = "pxa-pcm-audio",
		.ops = &mioa701_ops,
	},
	{
		.name = "AC97 Aux",
		.stream_name = "AC97 Aux",
		.cpu_dai_name = "pxa2xx-ac97-aux",
		.codec_dai_name ="wm9713-aux",
		.codec_name = "wm9713-codec",
		.platform_name = "pxa-pcm-audio",
		.ops = &mioa701_ops,
	},
};

static struct snd_soc_card mioa701 = {
	.name = "MioA701",
	.owner = THIS_MODULE,
	.dai_link = mioa701_dai,
	.num_links = ARRAY_SIZE(mioa701_dai),

	.dapm_widgets = mioa701_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static int mioa701_wm9713_probe(struct platform_device *pdev)
{
	int rc;

	if (!machine_is_mioa701())
		return -ENODEV;

	mioa701.dev = &pdev->dev;
	rc =  snd_soc_register_card(&mioa701);
	if (!rc)
		dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will"
			 "lead to overheating and possible destruction of your device."
			 " Do not use without a good knowledge of mio's board design!\n");
	return rc;
}

static int mioa701_wm9713_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);
	return 0;
}

static struct platform_driver mioa701_wm9713_driver = {
	.probe		= mioa701_wm9713_probe,
	.remove		= mioa701_wm9713_remove,
	.driver		= {
		.name		= "mioa701-wm9713",
		.pm     = &snd_soc_pm_ops,
	},
};

module_platform_driver(mioa701_wm9713_driver);

/* Module information */
MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)");
MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701");
MODULE_LICENSE("GPL");
Commit	Line	Data
8f0dc655 RJ	1	/*
	2	* Handles the Mitac mioa701 SoC system
	3	*
	4	* Copyright (C) 2008 Robert Jarzmik
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation in version 2 of the License.
	9	*
	10	* This program 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 program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	* This is a little schema of the sound interconnections :
	20	*
	21	* Sagem X200 Wolfson WM9713
	22	* +--------+ +-------------------+ Rear Speaker
	23	* \| \| \| \| /-+
	24	* \| +--->----->---+MONOIN SPKL+--->----+-+ \|
	25	* \| GSM \| \| \| \| \| \|
	26	* \| +--->----->---+PCBEEP SPKR+--->----+-+ \|
	27	* \| CHIP \| \| \| \-+
	28	* \| +---<-----<---+MONO \|
	29	* \| \| \| \| Front Speaker
	30	* +--------+ \| \| /-+
	31	* \| HPL+--->----+-+ \|
	32	* \| \| \| \| \|
	33	* \| OUT3+--->----+-+ \|
	34	* \| \| \-+
	35	* \| \|
	36	* \| \| Front Micro
	37	* \| \| +
	38	* \| MIC1+-----<--+o+
	39	* \| \| +
	40	* +-------------------+ ---
	41	*/
	42
	43	#include <linux/module.h>
	44	#include <linux/moduleparam.h>
	45	#include <linux/platform_device.h>
	46
	47	#include <asm/mach-types.h>
	48	#include <mach/audio.h>
	49
	50	#include <sound/core.h>
	51	#include <sound/pcm.h>
	52	#include <sound/soc.h>
8f0dc655 RJ	53	#include <sound/initval.h>
	54	#include <sound/ac97_codec.h>
	55
8f0dc655 RJ	56	#include "pxa2xx-ac97.h"
	57	#include "../codecs/wm9713.h"
	58
8f0dc655 RJ	59	#define AC97_GPIO_PULL 0x58
	60
	61	/* Use GPIO8 for rear speaker amplifier */
	62	static int rear_amp_power(struct snd_soc_codec *codec, int power)
	63	{
	64	unsigned short reg;
	65
	66	if (power) {
	67	reg = snd_soc_read(codec, AC97_GPIO_CFG);
	68	snd_soc_write(codec, AC97_GPIO_CFG, reg \| 0x0100);
	69	reg = snd_soc_read(codec, AC97_GPIO_PULL);
	70	snd_soc_write(codec, AC97_GPIO_PULL, reg \| (1<<15));
	71	} else {
	72	reg = snd_soc_read(codec, AC97_GPIO_CFG);
	73	snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100);
	74	reg = snd_soc_read(codec, AC97_GPIO_PULL);
	75	snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15));
	76	}
	77
	78	return 0;
	79	}
	80
	81	static int rear_amp_event(struct snd_soc_dapm_widget *widget,
	82	struct snd_kcontrol *kctl, int event)
	83	{
	84	struct snd_soc_codec *codec = widget->codec;
	85
	86	return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event));
	87	}
	88
	89	/* mioa701 machine dapm widgets */
	90	static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = {
	91	SND_SOC_DAPM_SPK("Front Speaker", NULL),
	92	SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event),
	93	SND_SOC_DAPM_MIC("Headset", NULL),
	94	SND_SOC_DAPM_LINE("GSM Line Out", NULL),
	95	SND_SOC_DAPM_LINE("GSM Line In", NULL),
	96	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	97	SND_SOC_DAPM_MIC("Front Mic", NULL),
	98	};
	99
	100	static const struct snd_soc_dapm_route audio_map[] = {
	101	/* Call Mic */
	102	{"Mic Bias", NULL, "Front Mic"},
	103	{"MIC1", NULL, "Mic Bias"},
	104
	105	/* Headset Mic */
	106	{"LINEL", NULL, "Headset Mic"},
	107	{"LINER", NULL, "Headset Mic"},
	108
	109	/* GSM Module */
	110	{"MONOIN", NULL, "GSM Line Out"},
	111	{"PCBEEP", NULL, "GSM Line Out"},
	112	{"GSM Line In", NULL, "MONO"},
	113
	114	/* headphone connected to HPL, HPR */
	115	{"Headset", NULL, "HPL"},
	116	{"Headset", NULL, "HPR"},
	117
	118	/* front speaker connected to HPL, OUT3 */
	119	{"Front Speaker", NULL, "HPL"},
	120	{"Front Speaker", NULL, "OUT3"},
	121
	122	/* rear speaker connected to SPKL, SPKR */
123	{"Rear Speaker", NULL, "SPKL"},
124	{"Rear Speaker", NULL, "SPKR"},
125	};
126
f0fba2ad	127	static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd)
8f0dc655	128	{
f0fba2ad	129	struct snd_soc_codec *codec = rtd->codec;
8f0dc655	130
8f0dc655	131	/* Prepare GPIO8 for rear speaker amplifier */
45394416	132	snd_soc_update_bits(codec, AC97_GPIO_CFG, 0x100, 0x100);
8f0dc655 RJ	133
8f0dc655 RJ	134	/* Prepare MIC input */
45394416	135	snd_soc_update_bits(codec, AC97_3D_CONTROL, 0xc000, 0xc000);
8f0dc655	136
8f0dc655 RJ	137	return 0;
	138	}
	139
	140	static struct snd_soc_ops mioa701_ops;
	141
	142	static struct snd_soc_dai_link mioa701_dai[] = {
	143	{
	144	.name = "AC97",
	145	.stream_name = "AC97 HiFi",
4bfc4e25	146	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	147	.codec_dai_name = "wm9713-hifi",
f0fba2ad LG	148	.codec_name = "wm9713-codec",
8f0dc655	149	.init = mioa701_wm9713_init,
f0fba2ad	150	.platform_name = "pxa-pcm-audio",
8f0dc655 RJ	151	.ops = &mioa701_ops,
	152	},
	153	{
	154	.name = "AC97 Aux",
	155	.stream_name = "AC97 Aux",
4bfc4e25	156	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	157	.codec_dai_name ="wm9713-aux",
	158	.codec_name = "wm9713-codec",
	159	.platform_name = "pxa-pcm-audio",
8f0dc655 RJ	160	.ops = &mioa701_ops,
	161	},
	162	};
	163
	164	static struct snd_soc_card mioa701 = {
	165	.name = "MioA701",
561c6a17	166	.owner = THIS_MODULE,
8f0dc655 RJ	167	.dai_link = mioa701_dai,
8f0dc655 RJ	168	.num_links = ARRAY_SIZE(mioa701_dai),
f6b2a045 LPC	169
	170	.dapm_widgets = mioa701_dapm_widgets,
	171	.num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets),
	172	.dapm_routes = audio_map,
	173	.num_dapm_routes = ARRAY_SIZE(audio_map),
8f0dc655 RJ	174	};
8f0dc655 RJ	175
570f6fe1	176	static int mioa701_wm9713_probe(struct platform_device *pdev)
8f0dc655	177	{
890255e7	178	int rc;
8f0dc655 RJ	179
	180	if (!machine_is_mioa701())
	181	return -ENODEV;
	182
890255e7 RJ	183	mioa701.dev = &pdev->dev;
	184	rc = snd_soc_register_card(&mioa701);
	185	if (!rc)
	186	dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will"
	187	"lead to overheating and possible destruction of your device."
	188	" Do not use without a good knowledge of mio's board design!\n");
	189	return rc;
8f0dc655 RJ	190	}
8f0dc655 RJ	191
570f6fe1	192	static int mioa701_wm9713_remove(struct platform_device *pdev)
8f0dc655	193	{
890255e7 RJ	194	struct snd_soc_card *card = platform_get_drvdata(pdev);
	195
	196	snd_soc_unregister_card(card);
8f0dc655 RJ	197	return 0;
	198	}
	199
	200	static struct platform_driver mioa701_wm9713_driver = {
	201	.probe = mioa701_wm9713_probe,
570f6fe1	202	.remove = mioa701_wm9713_remove,
8f0dc655 RJ	203	.driver = {
8f0dc655 RJ	204	.name = "mioa701-wm9713",
7db1698f	205	.pm = &snd_soc_pm_ops,
8f0dc655 RJ	206	},
	207	};
	208
2f702a19	209	module_platform_driver(mioa701_wm9713_driver);
8f0dc655 RJ	210
	211	/* Module information */
	212	MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)");
	213	MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701");
	214	MODULE_LICENSE("GPL");