Release 4.17 sound/soc/codecs/cq93vc.c

/*
 * ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
 *
 * Copyright (C) 2010 Texas Instruments, Inc
 *
 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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
 */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/mfd/davinci_voicecodec.h>
#include <linux/spi/spi.h>

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


static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
	SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
	SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
};



static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
{
	struct snd_soc_component *component = dai->component;
	u8 reg;

	if (mute)
		reg = DAVINCI_VC_REG09_MUTE;
	else
		reg = 0;

	snd_soc_component_update_bits(component, DAVINCI_VC_REG09, DAVINCI_VC_REG09_MUTE,
			    reg);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
41
77.36%
1
33.33%
Mark Brown
7
13.21%
1
33.33%
Kuninori Morimoto
5
9.43%
1
33.33%
Total
53
100.00%
3
100.00%



static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
				 int clk_id, unsigned int freq, int dir)
{
	switch (freq) {
	case 22579200:
	case 27000000:
	case 33868800:
		return 0;
	}

	return -EINVAL;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
43
100.00%
1
100.00%
Total
43
100.00%
1
100.00%



static int cq93vc_set_bias_level(struct snd_soc_component *component,
				enum snd_soc_bias_level level)
{
	switch (level) {
	case SND_SOC_BIAS_ON:
		snd_soc_component_write(component, DAVINCI_VC_REG12,
			     DAVINCI_VC_REG12_POWER_ALL_ON);
		break;
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		snd_soc_component_write(component, DAVINCI_VC_REG12,
			     DAVINCI_VC_REG12_POWER_ALL_OFF);
		break;
	case SND_SOC_BIAS_OFF:
		/* force all power off */
		snd_soc_component_write(component, DAVINCI_VC_REG12,
			     DAVINCI_VC_REG12_POWER_ALL_OFF);
		break;
	}

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
60
88.24%
1
50.00%
Kuninori Morimoto
8
11.76%
1
50.00%
Total
68
100.00%
2
100.00%


#define CQ93VC_RATES	(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)

#define CQ93VC_FORMATS	(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)


static const struct snd_soc_dai_ops cq93vc_dai_ops = {
	.digital_mute	= cq93vc_mute,
	.set_sysclk	= cq93vc_set_dai_sysclk,
};


static struct snd_soc_dai_driver cq93vc_dai = {
	.name = "cq93vc-hifi",
	.playback = {
		.stream_name = "Playback",
		.channels_min = 1,
		.channels_max = 2,
		.rates = CQ93VC_RATES,
		.formats = CQ93VC_FORMATS,},
	.capture = {
		.stream_name = "Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = CQ93VC_RATES,
		.formats = CQ93VC_FORMATS,},
	.ops = &cq93vc_dai_ops,
};



static int cq93vc_probe(struct snd_soc_component *component)
{
	struct davinci_vc *davinci_vc = component->dev->platform_data;

	snd_soc_component_init_regmap(component, davinci_vc->regmap);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Xiubo Li
20
58.82%
2
66.67%
Kuninori Morimoto
14
41.18%
1
33.33%
Total
34
100.00%
3
100.00%


static const struct snd_soc_component_driver soc_component_dev_cq93vc = {
	.set_bias_level		= cq93vc_set_bias_level,
	.probe			= cq93vc_probe,
	.controls		= cq93vc_snd_controls,
	.num_controls		= ARRAY_SIZE(cq93vc_snd_controls),
	.idle_bias_on		= 1,
	.use_pmdown_time	= 1,
	.endianness		= 1,
	.non_legacy_dai_naming	= 1,
};



static int cq93vc_platform_probe(struct platform_device *pdev)
{
	return devm_snd_soc_register_component(&pdev->dev,
			&soc_component_dev_cq93vc, &cq93vc_dai, 1);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
23
82.14%
1
33.33%
Liam Girdwood
3
10.71%
1
33.33%
Kuninori Morimoto
2
7.14%
1
33.33%
Total
28
100.00%
3
100.00%



static int cq93vc_platform_remove(struct platform_device *pdev)
{
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
13
92.86%
1
50.00%
Liam Girdwood
1
7.14%
1
50.00%
Total
14
100.00%
2
100.00%


static struct platform_driver cq93vc_codec_driver = {
	.driver = {
			.name = "cq93vc-codec",
        },

	.probe = cq93vc_platform_probe,
	.remove = cq93vc_platform_remove,
};

module_platform_driver(cq93vc_codec_driver);

MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
MODULE_AUTHOR("Miguel Aguilar");
MODULE_LICENSE("GPL");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Miguel Aguilar
409
77.32%
1
8.33%
Kuninori Morimoto
56
10.59%
2
16.67%
Xiubo Li
20
3.78%
2
16.67%
Liam Girdwood
20
3.78%
1
8.33%
Mark Brown
19
3.59%
3
25.00%
Tejun Heo
3
0.57%
1
8.33%
Lars-Peter Clausen
1
0.19%
1
8.33%
Bhumika Goyal
1
0.19%
1
8.33%
Total
529
100.00%
12
100.00%
Directory: sound/soc/codecs

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.