forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
156 lines
3.7 KiB
156 lines
3.7 KiB
// 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 <[email protected]> |
|
*/ |
|
#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");
|
|
|