diff options
Diffstat (limited to 'sound/soc/pxa/hx4700.c')
| -rw-r--r-- | sound/soc/pxa/hx4700.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/sound/soc/pxa/hx4700.c b/sound/soc/pxa/hx4700.c deleted file mode 100644 index a323ddb8fc3e..000000000000 --- a/sound/soc/pxa/hx4700.c +++ /dev/null @@ -1,207 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * SoC audio for HP iPAQ hx4700 - * - * Copyright (c) 2009 Philipp Zabel - */ - -#include <linux/module.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/gpio/consumer.h> - -#include <sound/core.h> -#include <sound/jack.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include <asm/mach-types.h> -#include "pxa2xx-i2s.h" - -static struct gpio_desc *gpiod_hp_driver, *gpiod_spk_sd; -static struct snd_soc_jack hs_jack; - -/* Headphones jack detection DAPM pin */ -static struct snd_soc_jack_pin hs_jack_pin[] = { - { - .pin = "Headphone Jack", - .mask = SND_JACK_HEADPHONE, - .invert = 1, - }, - { - .pin = "Speaker", - /* disable speaker when hp jack is inserted */ - .mask = SND_JACK_HEADPHONE, - }, -}; - -/* Headphones jack detection GPIO */ -static struct snd_soc_jack_gpio hs_jack_gpio = { - .name = "earphone-det", - .report = SND_JACK_HEADPHONE, - .debounce_time = 200, -}; - -/* - * iPAQ hx4700 uses I2S for capture and playback. - */ -static int hx4700_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); - int ret = 0; - - /* set the I2S system clock as output */ - ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, - SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - /* inform codec driver about clock freq * - * (PXA I2S always uses divider 256) */ - ret = snd_soc_dai_set_sysclk(codec_dai, 0, 256 * params_rate(params), - SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - return 0; -} - -static const struct snd_soc_ops hx4700_ops = { - .hw_params = hx4700_hw_params, -}; - -static int hx4700_spk_power(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *k, int event) -{ - gpiod_set_value(gpiod_spk_sd, !SND_SOC_DAPM_EVENT_ON(event)); - return 0; -} - -static int hx4700_hp_power(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *k, int event) -{ - gpiod_set_value(gpiod_hp_driver, !!SND_SOC_DAPM_EVENT_ON(event)); - return 0; -} - -/* hx4700 machine dapm widgets */ -static const struct snd_soc_dapm_widget hx4700_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", hx4700_hp_power), - SND_SOC_DAPM_SPK("Speaker", hx4700_spk_power), - SND_SOC_DAPM_MIC("Built-in Microphone", NULL), -}; - -/* hx4700 machine audio_map */ -static const struct snd_soc_dapm_route hx4700_audio_map[] = { - - /* Headphone connected to LOUT, ROUT */ - {"Headphone Jack", NULL, "LOUT"}, - {"Headphone Jack", NULL, "ROUT"}, - - /* Speaker connected to MOUT2 */ - {"Speaker", NULL, "MOUT2"}, - - /* Microphone connected to MICIN */ - {"MICIN", NULL, "Built-in Microphone"}, - {"AIN", NULL, "MICOUT"}, -}; - -/* - * Logic for a ak4641 as connected on a HP iPAQ hx4700 - */ -static int hx4700_ak4641_init(struct snd_soc_pcm_runtime *rtd) -{ - int err; - - /* Jack detection API stuff */ - err = snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack", - SND_JACK_HEADPHONE, &hs_jack, - hs_jack_pin, ARRAY_SIZE(hs_jack_pin)); - if (err) - return err; - - err = snd_soc_jack_add_gpios(&hs_jack, 1, &hs_jack_gpio); - - return err; -} - -/* hx4700 digital audio interface glue - connects codec <--> CPU */ -SND_SOC_DAILINK_DEFS(ak4641, - DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")), - DAILINK_COMP_ARRAY(COMP_CODEC("ak4641.0-0012", "ak4641-hifi")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); - -static struct snd_soc_dai_link hx4700_dai = { - .name = "ak4641", - .stream_name = "AK4641", - .init = hx4700_ak4641_init, - .dai_fmt = SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - .ops = &hx4700_ops, - SND_SOC_DAILINK_REG(ak4641), -}; - -/* hx4700 audio machine driver */ -static struct snd_soc_card snd_soc_card_hx4700 = { - .name = "iPAQ hx4700", - .owner = THIS_MODULE, - .dai_link = &hx4700_dai, - .num_links = 1, - .dapm_widgets = hx4700_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(hx4700_dapm_widgets), - .dapm_routes = hx4700_audio_map, - .num_dapm_routes = ARRAY_SIZE(hx4700_audio_map), - .fully_routed = true, -}; - -static int hx4700_audio_probe(struct platform_device *pdev) -{ - int ret; - - if (!machine_is_h4700()) - return -ENODEV; - - gpiod_hp_driver = devm_gpiod_get(&pdev->dev, "hp-driver", GPIOD_ASIS); - ret = PTR_ERR_OR_ZERO(gpiod_hp_driver); - if (ret) - return ret; - gpiod_spk_sd = devm_gpiod_get(&pdev->dev, "spk-sd", GPIOD_ASIS); - ret = PTR_ERR_OR_ZERO(gpiod_spk_sd); - if (ret) - return ret; - - hs_jack_gpio.gpiod_dev = &pdev->dev; - snd_soc_card_hx4700.dev = &pdev->dev; - ret = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_hx4700); - - return ret; -} - -static int hx4700_audio_remove(struct platform_device *pdev) -{ - gpiod_set_value(gpiod_hp_driver, 0); - gpiod_set_value(gpiod_spk_sd, 0); - return 0; -} - -static struct platform_driver hx4700_audio_driver = { - .driver = { - .name = "hx4700-audio", - .pm = &snd_soc_pm_ops, - }, - .probe = hx4700_audio_probe, - .remove = hx4700_audio_remove, -}; - -module_platform_driver(hx4700_audio_driver); - -MODULE_AUTHOR("Philipp Zabel"); -MODULE_DESCRIPTION("ALSA SoC iPAQ hx4700"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:hx4700-audio"); |