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Diffstat (limited to 'sound/soc/sirf/sirf-audio.c')
-rw-r--r--sound/soc/sirf/sirf-audio.c160
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");