diff options
Diffstat (limited to 'sound/soc/samsung/smartq_wm8987.c')
| -rw-r--r-- | sound/soc/samsung/smartq_wm8987.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/sound/soc/samsung/smartq_wm8987.c b/sound/soc/samsung/smartq_wm8987.c deleted file mode 100644 index 29bf917242fe..000000000000 --- a/sound/soc/samsung/smartq_wm8987.c +++ /dev/null @@ -1,224 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -// -// Copyright 2010 Maurus Cuelenaere <mcuelenaere@gmail.com> -// -// Based on smdk6410_wm8987.c -// Copyright 2007 Wolfson Microelectronics PLC. - linux@wolfsonmicro.com -// Graeme Gregory - graeme.gregory@wolfsonmicro.com - -#include <linux/gpio/consumer.h> -#include <linux/module.h> - -#include <sound/soc.h> -#include <sound/jack.h> - -#include "i2s.h" -#include "../codecs/wm8750.h" - -/* - * WM8987 is register compatible with WM8750, so using that as base driver. - */ - -static struct snd_soc_card snd_soc_smartq; - -static int smartq_hifi_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); - struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); - unsigned int clk = 0; - int ret; - - switch (params_rate(params)) { - case 8000: - case 16000: - case 32000: - case 48000: - case 96000: - clk = 12288000; - break; - case 11025: - case 22050: - case 44100: - case 88200: - clk = 11289600; - break; - } - - /* Use PCLK for I2S signal generation */ - ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_RCLKSRC_0, - 0, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* Gate the RCLK output on PAD */ - ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK, - 0, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* set the codec system clock for DAC and ADC */ - ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, - SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - return 0; -} - -/* - * SmartQ WM8987 HiFi DAI operations. - */ -static const struct snd_soc_ops smartq_hifi_ops = { - .hw_params = smartq_hifi_hw_params, -}; - -static struct snd_soc_jack smartq_jack; - -static struct snd_soc_jack_pin smartq_jack_pins[] = { - /* Disable speaker when headphone is plugged in */ - { - .pin = "Internal Speaker", - .mask = SND_JACK_HEADPHONE, - }, -}; - -static struct snd_soc_jack_gpio smartq_jack_gpios[] = { - { - .gpio = -1, - .name = "headphone detect", - .report = SND_JACK_HEADPHONE, - .debounce_time = 200, - }, -}; - -static const struct snd_kcontrol_new wm8987_smartq_controls[] = { - SOC_DAPM_PIN_SWITCH("Internal Speaker"), - SOC_DAPM_PIN_SWITCH("Headphone Jack"), - SOC_DAPM_PIN_SWITCH("Internal Mic"), -}; - -static int smartq_speaker_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *k, - int event) -{ - struct gpio_desc *gpio = snd_soc_card_get_drvdata(&snd_soc_smartq); - - gpiod_set_value(gpio, SND_SOC_DAPM_EVENT_OFF(event)); - - return 0; -} - -static const struct snd_soc_dapm_widget wm8987_dapm_widgets[] = { - SND_SOC_DAPM_SPK("Internal Speaker", smartq_speaker_event), - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_MIC("Internal Mic", NULL), -}; - -static const struct snd_soc_dapm_route audio_map[] = { - {"Headphone Jack", NULL, "LOUT2"}, - {"Headphone Jack", NULL, "ROUT2"}, - - {"Internal Speaker", NULL, "LOUT2"}, - {"Internal Speaker", NULL, "ROUT2"}, - - {"Mic Bias", NULL, "Internal Mic"}, - {"LINPUT2", NULL, "Mic Bias"}, -}; - -static int smartq_wm8987_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_dapm_context *dapm = &rtd->card->dapm; - int err = 0; - - /* set endpoints to not connected */ - snd_soc_dapm_nc_pin(dapm, "LINPUT1"); - snd_soc_dapm_nc_pin(dapm, "RINPUT1"); - snd_soc_dapm_nc_pin(dapm, "OUT3"); - snd_soc_dapm_nc_pin(dapm, "ROUT1"); - - /* Headphone jack detection */ - err = snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack", - SND_JACK_HEADPHONE, &smartq_jack, - smartq_jack_pins, - ARRAY_SIZE(smartq_jack_pins)); - if (err) - return err; - - err = snd_soc_jack_add_gpios(&smartq_jack, - ARRAY_SIZE(smartq_jack_gpios), - smartq_jack_gpios); - - return err; -} - -SND_SOC_DAILINK_DEFS(wm8987, - DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), - DAILINK_COMP_ARRAY(COMP_CODEC("wm8750.0-0x1a", "wm8750-hifi")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); - -static struct snd_soc_dai_link smartq_dai[] = { - { - .name = "wm8987", - .stream_name = "SmartQ Hi-Fi", - .init = smartq_wm8987_init, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - .ops = &smartq_hifi_ops, - SND_SOC_DAILINK_REG(wm8987), - }, -}; - -static struct snd_soc_card snd_soc_smartq = { - .name = "SmartQ", - .owner = THIS_MODULE, - .dai_link = smartq_dai, - .num_links = ARRAY_SIZE(smartq_dai), - - .dapm_widgets = wm8987_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(wm8987_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map), - .controls = wm8987_smartq_controls, - .num_controls = ARRAY_SIZE(wm8987_smartq_controls), -}; - -static int smartq_probe(struct platform_device *pdev) -{ - struct gpio_desc *gpio; - int ret; - - platform_set_drvdata(pdev, &snd_soc_smartq); - - /* Initialise GPIOs used by amplifiers */ - gpio = devm_gpiod_get(&pdev->dev, "amplifiers shutdown", - GPIOD_OUT_HIGH); - if (IS_ERR(gpio)) { - dev_err(&pdev->dev, "Failed to register GPK12\n"); - ret = PTR_ERR(gpio); - goto out; - } - snd_soc_card_set_drvdata(&snd_soc_smartq, gpio); - - ret = devm_snd_soc_register_card(&pdev->dev, &snd_soc_smartq); - if (ret) - dev_err(&pdev->dev, "Failed to register card\n"); - -out: - return ret; -} - -static struct platform_driver smartq_driver = { - .driver = { - .name = "smartq-audio", - }, - .probe = smartq_probe, -}; - -module_platform_driver(smartq_driver); - -/* Module information */ -MODULE_AUTHOR("Maurus Cuelenaere <mcuelenaere@gmail.com>"); -MODULE_DESCRIPTION("ALSA SoC SmartQ WM8987"); -MODULE_LICENSE("GPL"); |