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Diffstat (limited to 'sound/soc/pxa/zylonite.c')
-rw-r--r--sound/soc/pxa/zylonite.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
deleted file mode 100644
index db8aadf8932d..000000000000
--- a/sound/soc/pxa/zylonite.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * zylonite.c -- SoC audio for Zylonite
- *
- * Copyright 2008 Wolfson Microelectronics PLC.
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <linux/clk.h>
-#include <linux/i2c.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-#include "../codecs/wm9713.h"
-#include "pxa2xx-ac97.h"
-#include "pxa-ssp.h"
-
-/*
- * There is a physical switch SW15 on the board which changes the MCLK
- * for the WM9713 between the standard AC97 master clock and the
- * output of the CLK_POUT signal from the PXA.
- */
-static int clk_pout;
-module_param(clk_pout, int, 0);
-MODULE_PARM_DESC(clk_pout, "Use CLK_POUT as WM9713 MCLK (SW15 on board).");
-
-static struct clk *pout;
-
-static struct snd_soc_card zylonite;
-
-static const struct snd_soc_dapm_widget zylonite_dapm_widgets[] = {
- SND_SOC_DAPM_HP("Headphone", NULL),
- SND_SOC_DAPM_MIC("Headset Microphone", NULL),
- SND_SOC_DAPM_MIC("Handset Microphone", NULL),
- SND_SOC_DAPM_SPK("Multiactor", NULL),
- SND_SOC_DAPM_SPK("Headset Earpiece", NULL),
-};
-
-/* Currently supported audio map */
-static const struct snd_soc_dapm_route audio_map[] = {
-
- /* Headphone output connected to HPL/HPR */
- { "Headphone", NULL, "HPL" },
- { "Headphone", NULL, "HPR" },
-
- /* On-board earpiece */
- { "Headset Earpiece", NULL, "OUT3" },
-
- /* Headphone mic */
- { "MIC2A", NULL, "Mic Bias" },
- { "Mic Bias", NULL, "Headset Microphone" },
-
- /* On-board mic */
- { "MIC1", NULL, "Mic Bias" },
- { "Mic Bias", NULL, "Handset Microphone" },
-
- /* Multiactor differentially connected over SPKL/SPKR */
- { "Multiactor", NULL, "SPKL" },
- { "Multiactor", NULL, "SPKR" },
-};
-
-static int zylonite_wm9713_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
-
- if (clk_pout)
- snd_soc_dai_set_pll(rtd->codec_dai, 0, 0,
- clk_get_rate(pout), 0);
-
- snd_soc_dapm_new_controls(dapm, zylonite_dapm_widgets,
- ARRAY_SIZE(zylonite_dapm_widgets));
-
- snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-
- /* Static setup for now */
- snd_soc_dapm_enable_pin(dapm, "Headphone");
- snd_soc_dapm_enable_pin(dapm, "Headset Earpiece");
-
- return 0;
-}
-
-static int zylonite_voice_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- unsigned int pll_out = 0;
- unsigned int wm9713_div = 0;
- int ret = 0;
- int rate = params_rate(params);
- int width = snd_pcm_format_physical_width(params_format(params));
-
- /* Only support ratios that we can generate neatly from the AC97
- * based master clock - in particular, this excludes 44.1kHz.
- * In most applications the voice DAC will be used for telephony
- * data so multiples of 8kHz will be the common case.
- */
- switch (rate) {
- case 8000:
- wm9713_div = 12;
- break;
- case 16000:
- wm9713_div = 6;
- break;
- case 48000:
- wm9713_div = 2;
- break;
- default:
- /* Don't support OSS emulation */
- return -EINVAL;
- }
-
- /* Add 1 to the width for the leading clock cycle */
- pll_out = rate * (width + 1) * 8;
-
- ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, 1);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, pll_out);
- if (ret < 0)
- return ret;
-
- if (clk_pout)
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_PLL_DIV,
- WM9713_PCMDIV(wm9713_div));
- else
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_DIV,
- WM9713_PCMDIV(wm9713_div));
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static struct snd_soc_ops zylonite_voice_ops = {
- .hw_params = zylonite_voice_hw_params,
-};
-
-static struct snd_soc_dai_link zylonite_dai[] = {
-{
- .name = "AC97",
- .stream_name = "AC97 HiFi",
- .codec_name = "wm9713-codec",
- .platform_name = "pxa-pcm-audio",
- .cpu_dai_name = "pxa2xx-ac97",
- .codec_dai_name = "wm9713-hifi",
- .init = zylonite_wm9713_init,
-},
-{
- .name = "AC97 Aux",
- .stream_name = "AC97 Aux",
- .codec_name = "wm9713-codec",
- .platform_name = "pxa-pcm-audio",
- .cpu_dai_name = "pxa2xx-ac97-aux",
- .codec_dai_name = "wm9713-aux",
-},
-{
- .name = "WM9713 Voice",
- .stream_name = "WM9713 Voice",
- .codec_name = "wm9713-codec",
- .platform_name = "pxa-pcm-audio",
- .cpu_dai_name = "pxa-ssp-dai.2",
- .codec_dai_name = "wm9713-voice",
- .ops = &zylonite_voice_ops,
-},
-};
-
-static int zylonite_probe(struct snd_soc_card *card)
-{
- int ret;
-
- if (clk_pout) {
- pout = clk_get(NULL, "CLK_POUT");
- if (IS_ERR(pout)) {
- dev_err(card->dev, "Unable to obtain CLK_POUT: %ld\n",
- PTR_ERR(pout));
- return PTR_ERR(pout);
- }
-
- ret = clk_enable(pout);
- if (ret != 0) {
- dev_err(card->dev, "Unable to enable CLK_POUT: %d\n",
- ret);
- clk_put(pout);
- return ret;
- }
-
- dev_dbg(card->dev, "MCLK enabled at %luHz\n",
- clk_get_rate(pout));
- }
-
- return 0;
-}
-
-static int zylonite_remove(struct snd_soc_card *card)
-{
- if (clk_pout) {
- clk_disable(pout);
- clk_put(pout);
- }
-
- return 0;
-}
-
-static int zylonite_suspend_post(struct snd_soc_card *card)
-{
- if (clk_pout)
- clk_disable(pout);
-
- return 0;
-}
-
-static int zylonite_resume_pre(struct snd_soc_card *card)
-{
- int ret = 0;
-
- if (clk_pout) {
- ret = clk_enable(pout);
- if (ret != 0)
- dev_err(card->dev, "Unable to enable CLK_POUT: %d\n",
- ret);
- }
-
- return ret;
-}
-
-static struct snd_soc_card zylonite = {
- .name = "Zylonite",
- .owner = THIS_MODULE,
- .probe = &zylonite_probe,
- .remove = &zylonite_remove,
- .suspend_post = &zylonite_suspend_post,
- .resume_pre = &zylonite_resume_pre,
- .dai_link = zylonite_dai,
- .num_links = ARRAY_SIZE(zylonite_dai),
-};
-
-static struct platform_device *zylonite_snd_ac97_device;
-
-static int __init zylonite_init(void)
-{
- int ret;
-
- zylonite_snd_ac97_device = platform_device_alloc("soc-audio", -1);
- if (!zylonite_snd_ac97_device)
- return -ENOMEM;
-
- platform_set_drvdata(zylonite_snd_ac97_device, &zylonite);
-
- ret = platform_device_add(zylonite_snd_ac97_device);
- if (ret != 0)
- platform_device_put(zylonite_snd_ac97_device);
-
- return ret;
-}
-
-static void __exit zylonite_exit(void)
-{
- platform_device_unregister(zylonite_snd_ac97_device);
-}
-
-module_init(zylonite_init);
-module_exit(zylonite_exit);
-
-MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
-MODULE_DESCRIPTION("ALSA SoC WM9713 Zylonite");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-25 17:21:01 +0000