[linux-2.6-block.git] / sound / soc / blackfin / bfin-eval-adau1373.c

/*
 * Machine driver for EVAL-ADAU1373 on Analog Devices bfin
 * evaluation boards.
 *
 * Copyright 2011 Analog Devices Inc.
 * Author: Lars-Peter Clausen <lars@metafoo.de>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/module.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>

#include "../codecs/adau1373.h"

static const struct snd_soc_dapm_widget bfin_eval_adau1373_dapm_widgets[] = {
	SND_SOC_DAPM_LINE("Line In1", NULL),
	SND_SOC_DAPM_LINE("Line In2", NULL),
	SND_SOC_DAPM_LINE("Line In3", NULL),
	SND_SOC_DAPM_LINE("Line In4", NULL),

	SND_SOC_DAPM_LINE("Line Out1", NULL),
	SND_SOC_DAPM_LINE("Line Out2", NULL),
	SND_SOC_DAPM_LINE("Stereo Out", NULL),
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_HP("Earpiece", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
};

static const struct snd_soc_dapm_route bfin_eval_adau1373_dapm_routes[] = {
	{ "AIN1L", NULL, "Line In1" },
	{ "AIN1R", NULL, "Line In1" },
	{ "AIN2L", NULL, "Line In2" },
	{ "AIN2R", NULL, "Line In2" },
	{ "AIN3L", NULL, "Line In3" },
	{ "AIN3R", NULL, "Line In3" },
	{ "AIN4L", NULL, "Line In4" },
	{ "AIN4R", NULL, "Line In4" },

	/* MICBIAS can be connected via a jumper to the line-in jack, since w
	   don't know which one is going to be used, just power both. */
	{ "Line In1", NULL, "MICBIAS1" },
	{ "Line In2", NULL, "MICBIAS1" },
	{ "Line In3", NULL, "MICBIAS1" },
	{ "Line In4", NULL, "MICBIAS1" },
	{ "Line In1", NULL, "MICBIAS2" },
	{ "Line In2", NULL, "MICBIAS2" },
	{ "Line In3", NULL, "MICBIAS2" },
	{ "Line In4", NULL, "MICBIAS2" },

	{ "Line Out1", NULL, "LOUT1L" },
	{ "Line Out1", NULL, "LOUT1R" },
	{ "Line Out2", NULL, "LOUT2L" },
	{ "Line Out2", NULL, "LOUT2R" },
	{ "Headphone", NULL, "HPL" },
	{ "Headphone", NULL, "HPR" },
	{ "Earpiece", NULL, "EP" },
	{ "Speaker", NULL, "SPKL" },
	{ "Stereo Out", NULL, "SPKR" },
};

static int bfin_eval_adau1373_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;
	int pll_rate;

	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret)
		return ret;

	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
	if (ret)
		return ret;

	switch (params_rate(params)) {
	case 48000:
	case 8000:
	case 12000:
	case 16000:
	case 24000:
	case 32000:
		pll_rate = 48000 * 1024;
		break;
	case 44100:
	case 7350:
	case 11025:
	case 14700:
	case 22050:
	case 29400:
		pll_rate = 44100 * 1024;
		break;
	default:
		return -EINVAL;
	}

	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
	if (ret)
		return ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
			SND_SOC_CLOCK_IN);

	return ret;
}

static int bfin_eval_adau1373_codec_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	unsigned int pll_rate = 48000 * 1024;
	int ret;

	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
	if (ret)
		return ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
			SND_SOC_CLOCK_IN);

	return ret;
}
static struct snd_soc_ops bfin_eval_adau1373_ops = {
	.hw_params = bfin_eval_adau1373_hw_params,
};

static struct snd_soc_dai_link bfin_eval_adau1373_dai = {
	.name = "adau1373",
	.stream_name = "adau1373",
	.cpu_dai_name = "bfin-i2s.0",
	.codec_dai_name = "adau1373-aif1",
	.platform_name = "bfin-i2s-pcm-audio",
	.codec_name = "adau1373.0-001a",
	.ops = &bfin_eval_adau1373_ops,
	.init = bfin_eval_adau1373_codec_init,
};

static struct snd_soc_card bfin_eval_adau1373 = {
	.name = "bfin-eval-adau1373",
	.dai_link = &bfin_eval_adau1373_dai,
	.num_links = 1,

	.dapm_widgets		= bfin_eval_adau1373_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(bfin_eval_adau1373_dapm_widgets),
	.dapm_routes		= bfin_eval_adau1373_dapm_routes,
	.num_dapm_routes	= ARRAY_SIZE(bfin_eval_adau1373_dapm_routes),
};

static int bfin_eval_adau1373_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &bfin_eval_adau1373;

	card->dev = &pdev->dev;

	return snd_soc_register_card(&bfin_eval_adau1373);
}

static int __devexit bfin_eval_adau1373_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 bfin_eval_adau1373_driver = {
	.driver = {
		.name = "bfin-eval-adau1373",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = bfin_eval_adau1373_probe,
	.remove = __devexit_p(bfin_eval_adau1373_remove),
};

module_platform_driver(bfin_eval_adau1373_driver);

MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ALSA SoC bfin adau1373 driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:bfin-eval-adau1373");
Commit	Line	Data
f049ffb3 LPC	1	/*
	2	* Machine driver for EVAL-ADAU1373 on Analog Devices bfin
	3	* evaluation boards.
	4	*
	5	* Copyright 2011 Analog Devices Inc.
	6	* Author: Lars-Peter Clausen <lars@metafoo.de>
	7	*
	8	* Licensed under the GPL-2 or later.
	9	*/
	10
	11	#include <linux/module.h>
	12	#include <linux/device.h>
	13	#include <sound/core.h>
	14	#include <sound/pcm.h>
	15	#include <sound/soc.h>
	16	#include <sound/pcm_params.h>
	17
	18	#include "../codecs/adau1373.h"
	19
	20	static const struct snd_soc_dapm_widget bfin_eval_adau1373_dapm_widgets[] = {
	21	SND_SOC_DAPM_LINE("Line In1", NULL),
	22	SND_SOC_DAPM_LINE("Line In2", NULL),
	23	SND_SOC_DAPM_LINE("Line In3", NULL),
	24	SND_SOC_DAPM_LINE("Line In4", NULL),
	25
	26	SND_SOC_DAPM_LINE("Line Out1", NULL),
	27	SND_SOC_DAPM_LINE("Line Out2", NULL),
	28	SND_SOC_DAPM_LINE("Stereo Out", NULL),
	29	SND_SOC_DAPM_HP("Headphone", NULL),
	30	SND_SOC_DAPM_HP("Earpiece", NULL),
	31	SND_SOC_DAPM_SPK("Speaker", NULL),
	32	};
	33
	34	static const struct snd_soc_dapm_route bfin_eval_adau1373_dapm_routes[] = {
	35	{ "AIN1L", NULL, "Line In1" },
	36	{ "AIN1R", NULL, "Line In1" },
	37	{ "AIN2L", NULL, "Line In2" },
	38	{ "AIN2R", NULL, "Line In2" },
	39	{ "AIN3L", NULL, "Line In3" },
	40	{ "AIN3R", NULL, "Line In3" },
	41	{ "AIN4L", NULL, "Line In4" },
	42	{ "AIN4R", NULL, "Line In4" },
	43
	44	/* MICBIAS can be connected via a jumper to the line-in jack, since w
	45	don't know which one is going to be used, just power both. */
	46	{ "Line In1", NULL, "MICBIAS1" },
	47	{ "Line In2", NULL, "MICBIAS1" },
	48	{ "Line In3", NULL, "MICBIAS1" },
	49	{ "Line In4", NULL, "MICBIAS1" },
	50	{ "Line In1", NULL, "MICBIAS2" },
	51	{ "Line In2", NULL, "MICBIAS2" },
	52	{ "Line In3", NULL, "MICBIAS2" },
	53	{ "Line In4", NULL, "MICBIAS2" },
	54
	55	{ "Line Out1", NULL, "LOUT1L" },
	56	{ "Line Out1", NULL, "LOUT1R" },
	57	{ "Line Out2", NULL, "LOUT2L" },
	58	{ "Line Out2", NULL, "LOUT2R" },
	59	{ "Headphone", NULL, "HPL" },
	60	{ "Headphone", NULL, "HPR" },
	61	{ "Earpiece", NULL, "EP" },
	62	{ "Speaker", NULL, "SPKL" },
	63	{ "Stereo Out", NULL, "SPKR" },
	64	};
65
66	static int bfin_eval_adau1373_hw_params(struct snd_pcm_substream *substream,
67	struct snd_pcm_hw_params *params)
68	{
69	struct snd_soc_pcm_runtime *rtd = substream->private_data;
70	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
71	struct snd_soc_dai *codec_dai = rtd->codec_dai;
72	int ret;
73	int pll_rate;
74
75	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
76	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
77	if (ret)
78	return ret;
79
80	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
81	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBM_CFM);
82	if (ret)
83	return ret;
84
85	switch (params_rate(params)) {
86	case 48000:
87	case 8000:
88	case 12000:
89	case 16000:
90	case 24000:
91	case 32000:
92	pll_rate = 48000 * 1024;
93	break;
94	case 44100:
95	case 7350:
96	case 11025:
97	case 14700:
98	case 22050:
99	case 29400:
100	pll_rate = 44100 * 1024;
101	break;
102	default:
103	return -EINVAL;
104	}
105
106	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
107	ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
108	if (ret)
109	return ret;
110
111	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
112	SND_SOC_CLOCK_IN);
113
114	return ret;
115	}
116
117	static int bfin_eval_adau1373_codec_init(struct snd_soc_pcm_runtime *rtd)
118	{
119	struct snd_soc_dai *codec_dai = rtd->codec_dai;
120	unsigned int pll_rate = 48000 * 1024;
121	int ret;
122
123	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
124	ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
125	if (ret)
126	return ret;
127
128	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
129	SND_SOC_CLOCK_IN);
130
131	return ret;
132	}
133	static struct snd_soc_ops bfin_eval_adau1373_ops = {
134	.hw_params = bfin_eval_adau1373_hw_params,
135	};
136
137	static struct snd_soc_dai_link bfin_eval_adau1373_dai = {
138	.name = "adau1373",
139	.stream_name = "adau1373",
140	.cpu_dai_name = "bfin-i2s.0",
141	.codec_dai_name = "adau1373-aif1",
142	.platform_name = "bfin-i2s-pcm-audio",
143	.codec_name = "adau1373.0-001a",
144	.ops = &bfin_eval_adau1373_ops,
145	.init = bfin_eval_adau1373_codec_init,
146	};
147
148	static struct snd_soc_card bfin_eval_adau1373 = {
149	.name = "bfin-eval-adau1373",
150	.dai_link = &bfin_eval_adau1373_dai,
151	.num_links = 1,
152
153	.dapm_widgets = bfin_eval_adau1373_dapm_widgets,
154	.num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1373_dapm_widgets),
155	.dapm_routes = bfin_eval_adau1373_dapm_routes,
156	.num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1373_dapm_routes),
157	};
158
159	static int bfin_eval_adau1373_probe(struct platform_device *pdev)
160	{
161	struct snd_soc_card *card = &bfin_eval_adau1373;
162
163	card->dev = &pdev->dev;
164
165	return snd_soc_register_card(&bfin_eval_adau1373);
166	}
167
168	static int __devexit bfin_eval_adau1373_remove(struct platform_device *pdev)
169	{
170	struct snd_soc_card *card = platform_get_drvdata(pdev);
171
172	snd_soc_unregister_card(card);
173
174	return 0;
175	}
176
177	static struct platform_driver bfin_eval_adau1373_driver = {
178	.driver = {
179	.name = "bfin-eval-adau1373",
180	.owner = THIS_MODULE,
181	.pm = &snd_soc_pm_ops,
182	},
183	.probe = bfin_eval_adau1373_probe,
184	.remove = __devexit_p(bfin_eval_adau1373_remove),
185	};
186
fb80297e	187	module_platform_driver(bfin_eval_adau1373_driver);
f049ffb3 LPC	188
	189	MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
	190	MODULE_DESCRIPTION("ALSA SoC bfin adau1373 driver");
	191	MODULE_LICENSE("GPL");
	192	MODULE_ALIAS("platform:bfin-eval-adau1373");