[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/soc-dapm.h>
#include <sound/initval.h>
#include <sound/ac97_codec.h>

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

#define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)

#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_codec *codec)
{
	unsigned short reg;

	/* Add mioa701 specific widgets */
	snd_soc_dapm_new_controls(codec, ARRAY_AND_SIZE(mioa701_dapm_widgets));

	/* Set up mioa701 specific audio path audio_mapnects */
	snd_soc_dapm_add_routes(codec, ARRAY_AND_SIZE(audio_map));

	/* Prepare GPIO8 for rear speaker amplifier */
	reg = codec->read(codec, AC97_GPIO_CFG);
	codec->write(codec, AC97_GPIO_CFG, reg | 0x0100);

	/* Prepare MIC input */
	reg = codec->read(codec, AC97_3D_CONTROL);
	codec->write(codec, AC97_3D_CONTROL, reg | 0xc000);

	snd_soc_dapm_enable_pin(codec, "Front Speaker");
	snd_soc_dapm_enable_pin(codec, "Rear Speaker");
	snd_soc_dapm_enable_pin(codec, "Front Mic");
	snd_soc_dapm_enable_pin(codec, "GSM Line In");
	snd_soc_dapm_enable_pin(codec, "GSM Line Out");
	snd_soc_dapm_sync(codec);

	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 = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
		.codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
		.init = mioa701_wm9713_init,
		.ops = &mioa701_ops,
	},
	{
		.name = "AC97 Aux",
		.stream_name = "AC97 Aux",
		.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
		.codec_dai = &wm9713_dai[WM9713_DAI_AC97_AUX],
		.ops = &mioa701_ops,
	},
};

static struct snd_soc_card mioa701 = {
	.name = "MioA701",
	.platform = &pxa2xx_soc_platform,
	.dai_link = mioa701_dai,
	.num_links = ARRAY_SIZE(mioa701_dai),
};

static struct snd_soc_device mioa701_snd_devdata = {
	.card = &mioa701,
	.codec_dev = &soc_codec_dev_wm9713,
};

static struct platform_device *mioa701_snd_device;

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

	if (!machine_is_mioa701())
		return -ENODEV;

	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");

	mioa701_snd_device = platform_device_alloc("soc-audio", -1);
	if (!mioa701_snd_device)
		return -ENOMEM;

	platform_set_drvdata(mioa701_snd_device, &mioa701_snd_devdata);
	mioa701_snd_devdata.dev = &mioa701_snd_device->dev;

	ret = platform_device_add(mioa701_snd_device);
	if (!ret)
		return 0;

	platform_device_put(mioa701_snd_device);
	return ret;
}

static int __devexit mioa701_wm9713_remove(struct platform_device *pdev)
{
	platform_device_unregister(mioa701_snd_device);
	return 0;
}

static struct platform_driver mioa701_wm9713_driver = {
	.probe		= mioa701_wm9713_probe,
	.remove		= __devexit_p(mioa701_wm9713_remove),
	.driver		= {
		.name		= "mioa701-wm9713",
		.owner		= THIS_MODULE,
	},
};

static int __init mioa701_asoc_init(void)
{
	return platform_driver_register(&mioa701_wm9713_driver);
}

static void __exit mioa701_asoc_exit(void)
{
	platform_driver_unregister(&mioa701_wm9713_driver);
}

module_init(mioa701_asoc_init);
module_exit(mioa701_asoc_exit);

/* 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>
	53	#include <sound/soc-dapm.h>
	54	#include <sound/initval.h>
	55	#include <sound/ac97_codec.h>
	56
	57	#include "pxa2xx-pcm.h"
	58	#include "pxa2xx-ac97.h"
	59	#include "../codecs/wm9713.h"
	60
	61	#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
	62
	63	#define AC97_GPIO_PULL 0x58
	64
65	/* Use GPIO8 for rear speaker amplifier */
66	static int rear_amp_power(struct snd_soc_codec *codec, int power)
67	{
68	unsigned short reg;
69
70	if (power) {
71	reg = snd_soc_read(codec, AC97_GPIO_CFG);
72	snd_soc_write(codec, AC97_GPIO_CFG, reg \| 0x0100);
73	reg = snd_soc_read(codec, AC97_GPIO_PULL);
74	snd_soc_write(codec, AC97_GPIO_PULL, reg \| (1<<15));
75	} else {
76	reg = snd_soc_read(codec, AC97_GPIO_CFG);
77	snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100);
78	reg = snd_soc_read(codec, AC97_GPIO_PULL);
79	snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15));
80	}
81
82	return 0;
83	}
84
85	static int rear_amp_event(struct snd_soc_dapm_widget *widget,
86	struct snd_kcontrol *kctl, int event)
87	{
88	struct snd_soc_codec *codec = widget->codec;
89
90	return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event));
91	}
92
93	/* mioa701 machine dapm widgets */
94	static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = {
95	SND_SOC_DAPM_SPK("Front Speaker", NULL),
96	SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event),
97	SND_SOC_DAPM_MIC("Headset", NULL),
98	SND_SOC_DAPM_LINE("GSM Line Out", NULL),
99	SND_SOC_DAPM_LINE("GSM Line In", NULL),
100	SND_SOC_DAPM_MIC("Headset Mic", NULL),
101	SND_SOC_DAPM_MIC("Front Mic", NULL),
102	};
103
104	static const struct snd_soc_dapm_route audio_map[] = {
105	/* Call Mic */
106	{"Mic Bias", NULL, "Front Mic"},
107	{"MIC1", NULL, "Mic Bias"},
108
109	/* Headset Mic */
110	{"LINEL", NULL, "Headset Mic"},
111	{"LINER", NULL, "Headset Mic"},
112
113	/* GSM Module */
114	{"MONOIN", NULL, "GSM Line Out"},
115	{"PCBEEP", NULL, "GSM Line Out"},
116	{"GSM Line In", NULL, "MONO"},
117
118	/* headphone connected to HPL, HPR */
119	{"Headset", NULL, "HPL"},
120	{"Headset", NULL, "HPR"},
121
122	/* front speaker connected to HPL, OUT3 */
123	{"Front Speaker", NULL, "HPL"},
124	{"Front Speaker", NULL, "OUT3"},
125
126	/* rear speaker connected to SPKL, SPKR */
127	{"Rear Speaker", NULL, "SPKL"},
128	{"Rear Speaker", NULL, "SPKR"},
129	};
130
131	static int mioa701_wm9713_init(struct snd_soc_codec *codec)
132	{
133	unsigned short reg;
134
135	/* Add mioa701 specific widgets */
136	snd_soc_dapm_new_controls(codec, ARRAY_AND_SIZE(mioa701_dapm_widgets));
137
138	/* Set up mioa701 specific audio path audio_mapnects */
139	snd_soc_dapm_add_routes(codec, ARRAY_AND_SIZE(audio_map));
140
141	/* Prepare GPIO8 for rear speaker amplifier */
142	reg = codec->read(codec, AC97_GPIO_CFG);
143	codec->write(codec, AC97_GPIO_CFG, reg \| 0x0100);
144
145	/* Prepare MIC input */
146	reg = codec->read(codec, AC97_3D_CONTROL);
147	codec->write(codec, AC97_3D_CONTROL, reg \| 0xc000);
148
149	snd_soc_dapm_enable_pin(codec, "Front Speaker");
150	snd_soc_dapm_enable_pin(codec, "Rear Speaker");
151	snd_soc_dapm_enable_pin(codec, "Front Mic");
152	snd_soc_dapm_enable_pin(codec, "GSM Line In");
153	snd_soc_dapm_enable_pin(codec, "GSM Line Out");
154	snd_soc_dapm_sync(codec);
155
156	return 0;
157	}
158
159	static struct snd_soc_ops mioa701_ops;
160
161	static struct snd_soc_dai_link mioa701_dai[] = {
162	{
163	.name = "AC97",
164	.stream_name = "AC97 HiFi",
165	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
166	.codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
167	.init = mioa701_wm9713_init,
168	.ops = &mioa701_ops,
169	},
170	{
171	.name = "AC97 Aux",
172	.stream_name = "AC97 Aux",
173	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
174	.codec_dai = &wm9713_dai[WM9713_DAI_AC97_AUX],
175	.ops = &mioa701_ops,
176	},
177	};
178
179	static struct snd_soc_card mioa701 = {
180	.name = "MioA701",
181	.platform = &pxa2xx_soc_platform,
182	.dai_link = mioa701_dai,
183	.num_links = ARRAY_SIZE(mioa701_dai),
184	};
185
186	static struct snd_soc_device mioa701_snd_devdata = {
187	.card = &mioa701,
188	.codec_dev = &soc_codec_dev_wm9713,
189	};
190
191	static struct platform_device *mioa701_snd_device;
192
193	static int mioa701_wm9713_probe(struct platform_device *pdev)
194	{
195	int ret;
196
197	if (!machine_is_mioa701())
198	return -ENODEV;
199
200	dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will"
201	"lead to overheating and possible destruction of your device."
202	"Do not use without a good knowledge of mio's board design!\n");
203
204	mioa701_snd_device = platform_device_alloc("soc-audio", -1);
205	if (!mioa701_snd_device)
206	return -ENOMEM;
207
208	platform_set_drvdata(mioa701_snd_device, &mioa701_snd_devdata);
209	mioa701_snd_devdata.dev = &mioa701_snd_device->dev;
210
211	ret = platform_device_add(mioa701_snd_device);
212	if (!ret)
213	return 0;
214
215	platform_device_put(mioa701_snd_device);
216	return ret;
217	}
218
219	static int __devexit mioa701_wm9713_remove(struct platform_device *pdev)
220	{
221	platform_device_unregister(mioa701_snd_device);
222	return 0;
223	}
224
225	static struct platform_driver mioa701_wm9713_driver = {
226	.probe = mioa701_wm9713_probe,
227	.remove = __devexit_p(mioa701_wm9713_remove),
228	.driver = {
229	.name = "mioa701-wm9713",
230	.owner = THIS_MODULE,
231	},
232	};
233
234	static int __init mioa701_asoc_init(void)
235	{
236	return platform_driver_register(&mioa701_wm9713_driver);
237	}
238
239	static void __exit mioa701_asoc_exit(void)
240	{
241	platform_driver_unregister(&mioa701_wm9713_driver);
242	}
243
244	module_init(mioa701_asoc_init);
245	module_exit(mioa701_asoc_exit);
246
247	/* Module information */
248	MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)");
249	MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701");
250	MODULE_LICENSE("GPL");