[mirror_ubuntu-jammy-kernel.git] / sound / soc / codecs / cq93vc.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
 *
 * Copyright (C) 2010 Texas Instruments, Inc
 *
 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
 */
#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, int direction)
{
	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;
}

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;
}

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;
}

#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 = {
	.mute_stream	= cq93vc_mute,
	.set_sysclk	= cq93vc_set_dai_sysclk,
	.no_capture_mute = 1,
};

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;
}

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);
}

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

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");
Commit	Line	Data
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
b56e972b MA	2	/*
	3	* ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
	4	*
	5	* Copyright (C) 2010 Texas Instruments, Inc
	6	*
	7	* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
b56e972b MA	8	*/
	9	#include <linux/module.h>
	10	#include <linux/moduleparam.h>
	11	#include <linux/init.h>
	12	#include <linux/io.h>
	13	#include <linux/delay.h>
	14	#include <linux/pm.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/device.h>
923a0042	17	#include <linux/slab.h>
b56e972b MA	18	#include <linux/clk.h>
b56e972b MA	19	#include <linux/mfd/davinci_voicecodec.h>
f0fba2ad	20	#include <linux/spi/spi.h>
b56e972b MA	21
	22	#include <sound/core.h>
	23	#include <sound/pcm.h>
	24	#include <sound/pcm_params.h>
	25	#include <sound/soc.h>
b56e972b MA	26	#include <sound/initval.h>
b56e972b MA	27
b56e972b MA	28	static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
	29	SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
	30	SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
	31	};
	32
54b59270	33	static int cq93vc_mute(struct snd_soc_dai *dai, int mute, int direction)
b56e972b	34	{
4f404f38	35	struct snd_soc_component *component = dai->component;
1201939a	36	u8 reg;
b56e972b MA	37
b56e972b MA	38	if (mute)
1201939a	39	reg = DAVINCI_VC_REG09_MUTE;
b56e972b	40	else
1201939a MB	41	reg = 0;
1201939a MB	42
4f404f38	43	snd_soc_component_update_bits(component, DAVINCI_VC_REG09, DAVINCI_VC_REG09_MUTE,
1201939a	44	reg);
b56e972b MA	45
	46	return 0;
	47	}
	48
	49	static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
	50	int clk_id, unsigned int freq, int dir)
	51	{
b56e972b MA	52	switch (freq) {
	53	case 22579200:
	54	case 27000000:
	55	case 33868800:
b56e972b MA	56	return 0;
	57	}
	58
	59	return -EINVAL;
	60	}
	61
4f404f38	62	static int cq93vc_set_bias_level(struct snd_soc_component *component,
b56e972b MA	63	enum snd_soc_bias_level level)
	64	{
	65	switch (level) {
	66	case SND_SOC_BIAS_ON:
4f404f38	67	snd_soc_component_write(component, DAVINCI_VC_REG12,
b56e972b MA	68	DAVINCI_VC_REG12_POWER_ALL_ON);
	69	break;
	70	case SND_SOC_BIAS_PREPARE:
	71	break;
	72	case SND_SOC_BIAS_STANDBY:
4f404f38	73	snd_soc_component_write(component, DAVINCI_VC_REG12,
b56e972b MA	74	DAVINCI_VC_REG12_POWER_ALL_OFF);
	75	break;
	76	case SND_SOC_BIAS_OFF:
	77	/* force all power off */
4f404f38	78	snd_soc_component_write(component, DAVINCI_VC_REG12,
b56e972b MA	79	DAVINCI_VC_REG12_POWER_ALL_OFF);
	80	break;
	81	}
b56e972b MA	82
	83	return 0;
	84	}
	85
	86	#define CQ93VC_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_16000)
	87	#define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 \| SNDRV_PCM_FMTBIT_S16_LE)
	88
85e7652d	89	static const struct snd_soc_dai_ops cq93vc_dai_ops = {
54b59270	90	.mute_stream = cq93vc_mute,
b56e972b	91	.set_sysclk = cq93vc_set_dai_sysclk,
54b59270	92	.no_capture_mute = 1,
b56e972b MA	93	};
b56e972b MA	94
f0fba2ad LG	95	static struct snd_soc_dai_driver cq93vc_dai = {
f0fba2ad LG	96	.name = "cq93vc-hifi",
b56e972b MA	97	.playback = {
	98	.stream_name = "Playback",
	99	.channels_min = 1,
	100	.channels_max = 2,
	101	.rates = CQ93VC_RATES,
	102	.formats = CQ93VC_FORMATS,},
	103	.capture = {
	104	.stream_name = "Capture",
	105	.channels_min = 1,
	106	.channels_max = 2,
	107	.rates = CQ93VC_RATES,
	108	.formats = CQ93VC_FORMATS,},
	109	.ops = &cq93vc_dai_ops,
	110	};
b56e972b	111
60e1780e	112	static int cq93vc_probe(struct snd_soc_component *component)
49101a25	113	{
60e1780e	114	struct davinci_vc *davinci_vc = component->dev->platform_data;
49101a25	115
60e1780e KM	116	snd_soc_component_init_regmap(component, davinci_vc->regmap);
	117
	118	return 0;
49101a25 XL	119	}
49101a25 XL	120
4f404f38 KM	121	static const struct snd_soc_component_driver soc_component_dev_cq93vc = {
	122	.set_bias_level = cq93vc_set_bias_level,
	123	.probe = cq93vc_probe,
	124	.controls = cq93vc_snd_controls,
	125	.num_controls = ARRAY_SIZE(cq93vc_snd_controls),
	126	.idle_bias_on = 1,
	127	.use_pmdown_time = 1,
	128	.endianness = 1,
	129	.non_legacy_dai_naming = 1,
b56e972b	130	};
b56e972b	131
f0fba2ad	132	static int cq93vc_platform_probe(struct platform_device *pdev)
b56e972b	133	{
4f404f38 KM	134	return devm_snd_soc_register_component(&pdev->dev,
4f404f38 KM	135	&soc_component_dev_cq93vc, &cq93vc_dai, 1);
b56e972b MA	136	}
b56e972b MA	137
f0fba2ad	138	static int cq93vc_platform_remove(struct platform_device *pdev)
b56e972b	139	{
b56e972b MA	140	return 0;
	141	}
	142
	143	static struct platform_driver cq93vc_codec_driver = {
	144	.driver = {
f0fba2ad	145	.name = "cq93vc-codec",
f0fba2ad LG	146	},
	147
	148	.probe = cq93vc_platform_probe,
7a79e94e	149	.remove = cq93vc_platform_remove,
b56e972b MA	150	};
b56e972b MA	151
5bbcc3c0	152	module_platform_driver(cq93vc_codec_driver);
b56e972b MA	153
	154	MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
	155	MODULE_AUTHOR("Miguel Aguilar");
	156	MODULE_LICENSE("GPL");