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Diffstat (limited to 'sound/soc/samsung/neo1973_wm8753.c')
-rw-r--r--sound/soc/samsung/neo1973_wm8753.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c
deleted file mode 100644
index e9f2334028bf..000000000000
--- a/sound/soc/samsung/neo1973_wm8753.c
+++ /dev/null
@@ -1,360 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-//
-// neo1973_wm8753.c - SoC audio for Openmoko Neo1973 and Freerunner devices
-//
-// Copyright 2007 Openmoko Inc
-// Author: Graeme Gregory <graeme@openmoko.org>
-// Copyright 2007 Wolfson Microelectronics PLC.
-// Author: Graeme Gregory
-// graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
-// Copyright 2009 Wolfson Microelectronics
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/consumer.h>
-
-#include <sound/soc.h>
-
-#include "regs-iis.h"
-#include "../codecs/wm8753.h"
-#include "s3c24xx-i2s.h"
-
-static int neo1973_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 pll_out = 0, bclk = 0;
- int ret = 0;
- unsigned long iis_clkrate;
-
- iis_clkrate = s3c24xx_i2s_get_clockrate();
-
- switch (params_rate(params)) {
- case 8000:
- case 16000:
- pll_out = 12288000;
- break;
- case 48000:
- bclk = WM8753_BCLK_DIV_4;
- pll_out = 12288000;
- break;
- case 96000:
- bclk = WM8753_BCLK_DIV_2;
- pll_out = 12288000;
- break;
- case 11025:
- bclk = WM8753_BCLK_DIV_16;
- pll_out = 11289600;
- break;
- case 22050:
- bclk = WM8753_BCLK_DIV_8;
- pll_out = 11289600;
- break;
- case 44100:
- bclk = WM8753_BCLK_DIV_4;
- pll_out = 11289600;
- break;
- case 88200:
- bclk = WM8753_BCLK_DIV_2;
- pll_out = 11289600;
- break;
- }
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set MCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
- S3C2410_IISMOD_32FS);
- if (ret < 0)
- return ret;
-
- /* set codec BCLK division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
- if (ret < 0)
- return ret;
-
- /* set prescaler division for sample rate */
- ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
- S3C24XX_PRESCALE(4, 4));
- if (ret < 0)
- return ret;
-
- /* codec PLL input is PCLK/4 */
- ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0,
- iis_clkrate / 4, pll_out);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
-
- /* disable the PLL */
- return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0, 0);
-}
-
-/*
- * Neo1973 WM8753 HiFi DAI opserations.
- */
-static const struct snd_soc_ops neo1973_hifi_ops = {
- .hw_params = neo1973_hifi_hw_params,
- .hw_free = neo1973_hifi_hw_free,
-};
-
-static int neo1973_voice_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);
- unsigned int pcmdiv = 0;
- int ret = 0;
- unsigned long iis_clkrate;
-
- iis_clkrate = s3c24xx_i2s_get_clockrate();
-
- if (params_rate(params) != 8000)
- return -EINVAL;
- if (params_channels(params) != 1)
- return -EINVAL;
-
- pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */
-
- /* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- /* set codec PCM division for sample rate */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
- if (ret < 0)
- return ret;
-
- /* configure and enable PLL for 12.288MHz output */
- ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0,
- iis_clkrate / 4, 12288000);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
-
- /* disable the PLL */
- return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0);
-}
-
-static const struct snd_soc_ops neo1973_voice_ops = {
- .hw_params = neo1973_voice_hw_params,
- .hw_free = neo1973_voice_hw_free,
-};
-
-static struct gpio_desc *gpiod_hp_in, *gpiod_amp_shut;
-static int gta02_speaker_enabled;
-
-static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- gta02_speaker_enabled = ucontrol->value.integer.value[0];
-
- gpiod_set_value(gpiod_hp_in, !gta02_speaker_enabled);
-
- return 0;
-}
-
-static int lm4853_get_spk(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- ucontrol->value.integer.value[0] = gta02_speaker_enabled;
- return 0;
-}
-
-static int lm4853_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- gpiod_set_value(gpiod_amp_shut, SND_SOC_DAPM_EVENT_OFF(event));
-
- return 0;
-}
-
-static const struct snd_soc_dapm_widget neo1973_wm8753_dapm_widgets[] = {
- SND_SOC_DAPM_LINE("GSM Line Out", NULL),
- SND_SOC_DAPM_LINE("GSM Line In", NULL),
- SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_MIC("Handset Mic", NULL),
- SND_SOC_DAPM_SPK("Handset Spk", NULL),
- SND_SOC_DAPM_SPK("Stereo Out", lm4853_event),
-};
-
-static const struct snd_soc_dapm_route neo1973_wm8753_routes[] = {
- /* Connections to the GSM Module */
- {"GSM Line Out", NULL, "MONO1"},
- {"GSM Line Out", NULL, "MONO2"},
- {"RXP", NULL, "GSM Line In"},
- {"RXN", NULL, "GSM Line In"},
-
- /* Connections to Headset */
- {"MIC1", NULL, "Mic Bias"},
- {"Mic Bias", NULL, "Headset Mic"},
-
- /* Call Mic */
- {"MIC2", NULL, "Mic Bias"},
- {"MIC2N", NULL, "Mic Bias"},
- {"Mic Bias", NULL, "Handset Mic"},
-
- /* Connect the ALC pins */
- {"ACIN", NULL, "ACOP"},
-
- /* Connections to the amp */
- {"Stereo Out", NULL, "LOUT1"},
- {"Stereo Out", NULL, "ROUT1"},
-
- /* Call Speaker */
- {"Handset Spk", NULL, "LOUT2"},
- {"Handset Spk", NULL, "ROUT2"},
-};
-
-static const struct snd_kcontrol_new neo1973_wm8753_controls[] = {
- SOC_DAPM_PIN_SWITCH("GSM Line Out"),
- SOC_DAPM_PIN_SWITCH("GSM Line In"),
- SOC_DAPM_PIN_SWITCH("Headset Mic"),
- SOC_DAPM_PIN_SWITCH("Handset Mic"),
- SOC_DAPM_PIN_SWITCH("Handset Spk"),
- SOC_DAPM_PIN_SWITCH("Stereo Out"),
-
- SOC_SINGLE_BOOL_EXT("Amp Spk Switch", 0,
- lm4853_get_spk,
- lm4853_set_spk),
-};
-
-static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_card *card = rtd->card;
-
- /* set endpoints to default off mode */
- snd_soc_dapm_disable_pin(&card->dapm, "GSM Line Out");
- snd_soc_dapm_disable_pin(&card->dapm, "GSM Line In");
- snd_soc_dapm_disable_pin(&card->dapm, "Headset Mic");
- snd_soc_dapm_disable_pin(&card->dapm, "Handset Mic");
- snd_soc_dapm_disable_pin(&card->dapm, "Stereo Out");
- snd_soc_dapm_disable_pin(&card->dapm, "Handset Spk");
-
- /* allow audio paths from the GSM modem to run during suspend */
- snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line Out");
- snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line In");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Mic");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Stereo Out");
- snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Spk");
-
- return 0;
-}
-
-SND_SOC_DAILINK_DEFS(wm8753,
- DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
-
-SND_SOC_DAILINK_DEFS(bluetooth,
- DAILINK_COMP_ARRAY(COMP_CPU("bt-sco-pcm")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-voice")));
-
-static struct snd_soc_dai_link neo1973_dai[] = {
-{ /* Hifi Playback - for similatious use with voice below */
- .name = "WM8753",
- .stream_name = "WM8753 HiFi",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .init = neo1973_wm8753_init,
- .ops = &neo1973_hifi_ops,
- SND_SOC_DAILINK_REG(wm8753),
-},
-{ /* Voice via BT */
- .name = "Bluetooth",
- .stream_name = "Voice",
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &neo1973_voice_ops,
- SND_SOC_DAILINK_REG(bluetooth),
-},
-};
-
-static struct snd_soc_aux_dev neo1973_aux_devs[] = {
- {
- .dlc = COMP_AUX("dfbmcs320.0"),
- },
-};
-
-static struct snd_soc_codec_conf neo1973_codec_conf[] = {
- {
- .dlc = COMP_CODEC_CONF("lm4857.0-007c"),
- .name_prefix = "Amp",
- },
-};
-
-static struct snd_soc_card neo1973 = {
- .name = "neo1973gta02",
- .owner = THIS_MODULE,
- .dai_link = neo1973_dai,
- .num_links = ARRAY_SIZE(neo1973_dai),
- .aux_dev = neo1973_aux_devs,
- .num_aux_devs = ARRAY_SIZE(neo1973_aux_devs),
- .codec_conf = neo1973_codec_conf,
- .num_configs = ARRAY_SIZE(neo1973_codec_conf),
-
- .controls = neo1973_wm8753_controls,
- .num_controls = ARRAY_SIZE(neo1973_wm8753_controls),
- .dapm_widgets = neo1973_wm8753_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(neo1973_wm8753_dapm_widgets),
- .dapm_routes = neo1973_wm8753_routes,
- .num_dapm_routes = ARRAY_SIZE(neo1973_wm8753_routes),
- .fully_routed = true,
-};
-
-static int neo1973_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
-
- gpiod_hp_in = devm_gpiod_get(dev, "hp", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod_hp_in)) {
- dev_err(dev, "missing gpio %s\n", "hp");
- return PTR_ERR(gpiod_hp_in);
- }
- gpiod_amp_shut = devm_gpiod_get(dev, "amp-shut", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod_amp_shut)) {
- dev_err(dev, "missing gpio %s\n", "amp-shut");
- return PTR_ERR(gpiod_amp_shut);
- }
-
- neo1973.dev = dev;
- return devm_snd_soc_register_card(dev, &neo1973);
-}
-
-static struct platform_driver neo1973_audio = {
- .driver = {
- .name = "neo1973-audio",
- .pm = &snd_soc_pm_ops,
- },
- .probe = neo1973_probe,
-};
-module_platform_driver(neo1973_audio);
-
-/* Module information */
-MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
-MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 and Frerunner");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:neo1973-audio");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.