diff options
Diffstat (limited to 'sound/soc/sirf/sirf-audio.c')
| -rw-r--r-- | sound/soc/sirf/sirf-audio.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/sound/soc/sirf/sirf-audio.c b/sound/soc/sirf/sirf-audio.c deleted file mode 100644 index c923b6772b22..000000000000 --- a/sound/soc/sirf/sirf-audio.c +++ /dev/null @@ -1,160 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * SiRF audio card driver - * - * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - */ - -#include <linux/platform_device.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -struct sirf_audio_card { - unsigned int gpio_hp_pa; - unsigned int gpio_spk_pa; -}; - -static int sirf_audio_hp_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *ctrl, int event) -{ - struct snd_soc_dapm_context *dapm = w->dapm; - struct snd_soc_card *card = dapm->card; - struct sirf_audio_card *sirf_audio_card = snd_soc_card_get_drvdata(card); - int on = !SND_SOC_DAPM_EVENT_OFF(event); - - if (gpio_is_valid(sirf_audio_card->gpio_hp_pa)) - gpio_set_value(sirf_audio_card->gpio_hp_pa, on); - return 0; -} - -static int sirf_audio_spk_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *ctrl, int event) -{ - struct snd_soc_dapm_context *dapm = w->dapm; - struct snd_soc_card *card = dapm->card; - struct sirf_audio_card *sirf_audio_card = snd_soc_card_get_drvdata(card); - int on = !SND_SOC_DAPM_EVENT_OFF(event); - - if (gpio_is_valid(sirf_audio_card->gpio_spk_pa)) - gpio_set_value(sirf_audio_card->gpio_spk_pa, on); - - return 0; -} -static const struct snd_soc_dapm_widget sirf_audio_dapm_widgets[] = { - SND_SOC_DAPM_HP("Hp", sirf_audio_hp_event), - SND_SOC_DAPM_SPK("Ext Spk", sirf_audio_spk_event), - SND_SOC_DAPM_MIC("Ext Mic", NULL), -}; - -static const struct snd_soc_dapm_route intercon[] = { - {"Hp", NULL, "HPOUTL"}, - {"Hp", NULL, "HPOUTR"}, - {"Ext Spk", NULL, "SPKOUT"}, - {"MICIN1", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Ext Mic"}, -}; - -/* Digital audio interface glue - connects codec <--> CPU */ -SND_SOC_DAILINK_DEFS(sirf, - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "sirf-audio-codec")), - DAILINK_COMP_ARRAY(COMP_EMPTY())); - -static struct snd_soc_dai_link sirf_audio_dai_link[] = { - { - .name = "SiRF audio card", - .stream_name = "SiRF audio HiFi", - SND_SOC_DAILINK_REG(sirf), - }, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_sirf_audio_card = { - .name = "SiRF audio card", - .owner = THIS_MODULE, - .dai_link = sirf_audio_dai_link, - .num_links = ARRAY_SIZE(sirf_audio_dai_link), - .dapm_widgets = sirf_audio_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(sirf_audio_dapm_widgets), - .dapm_routes = intercon, - .num_dapm_routes = ARRAY_SIZE(intercon), -}; - -static int sirf_audio_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &snd_soc_sirf_audio_card; - struct sirf_audio_card *sirf_audio_card; - int ret; - - sirf_audio_card = devm_kzalloc(&pdev->dev, sizeof(struct sirf_audio_card), - GFP_KERNEL); - if (sirf_audio_card == NULL) - return -ENOMEM; - - sirf_audio_dai_link[0].cpus->of_node = - of_parse_phandle(pdev->dev.of_node, "sirf,audio-platform", 0); - sirf_audio_dai_link[0].platforms->of_node = - of_parse_phandle(pdev->dev.of_node, "sirf,audio-platform", 0); - sirf_audio_dai_link[0].codecs->of_node = - of_parse_phandle(pdev->dev.of_node, "sirf,audio-codec", 0); - sirf_audio_card->gpio_spk_pa = of_get_named_gpio(pdev->dev.of_node, - "spk-pa-gpios", 0); - sirf_audio_card->gpio_hp_pa = of_get_named_gpio(pdev->dev.of_node, - "hp-pa-gpios", 0); - if (gpio_is_valid(sirf_audio_card->gpio_spk_pa)) { - ret = devm_gpio_request_one(&pdev->dev, - sirf_audio_card->gpio_spk_pa, - GPIOF_OUT_INIT_LOW, "SPA_PA_SD"); - if (ret) { - dev_err(&pdev->dev, - "Failed to request GPIO_%d for reset: %d\n", - sirf_audio_card->gpio_spk_pa, ret); - return ret; - } - } - if (gpio_is_valid(sirf_audio_card->gpio_hp_pa)) { - ret = devm_gpio_request_one(&pdev->dev, - sirf_audio_card->gpio_hp_pa, - GPIOF_OUT_INIT_LOW, "HP_PA_SD"); - if (ret) { - dev_err(&pdev->dev, - "Failed to request GPIO_%d for reset: %d\n", - sirf_audio_card->gpio_hp_pa, ret); - return ret; - } - } - - card->dev = &pdev->dev; - snd_soc_card_set_drvdata(card, sirf_audio_card); - - ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) - dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret); - - return ret; -} - -static const struct of_device_id sirf_audio_of_match[] = { - {.compatible = "sirf,sirf-audio-card", }, - { }, -}; -MODULE_DEVICE_TABLE(of, sirf_audio_of_match); - -static struct platform_driver sirf_audio_driver = { - .driver = { - .name = "sirf-audio-card", - .pm = &snd_soc_pm_ops, - .of_match_table = sirf_audio_of_match, - }, - .probe = sirf_audio_probe, -}; -module_platform_driver(sirf_audio_driver); - -MODULE_AUTHOR("RongJun Ying <RongJun.Ying@csr.com>"); -MODULE_DESCRIPTION("ALSA SoC SIRF audio card driver"); -MODULE_LICENSE("GPL v2"); |