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Diffstat (limited to 'sound/soc/pxa/zylonite.c')
-rw-r--r--sound/soc/pxa/zylonite.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
deleted file mode 100644
index bb89a53f4ab1..000000000000
--- a/sound/soc/pxa/zylonite.c
+++ /dev/null
@@ -1,266 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * zylonite.c -- SoC audio for Zylonite
- *
- * Copyright 2008 Wolfson Microelectronics PLC.
- * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- */
-
-#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 "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)
-{
- if (clk_pout)
- snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0), 0, 0,
- clk_get_rate(pout), 0);
-
- 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 = 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 wm9713_div = 0;
- int ret = 0;
- int rate = params_rate(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;
- }
-
- ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, 1);
- 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;
-
- return 0;
-}
-
-static const struct snd_soc_ops zylonite_voice_ops = {
- .hw_params = zylonite_voice_hw_params,
-};
-
-SND_SOC_DAILINK_DEFS(ac97,
- DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
-
-SND_SOC_DAILINK_DEFS(ac97_aux,
- DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-aux")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
-
-SND_SOC_DAILINK_DEFS(voice,
- DAILINK_COMP_ARRAY(COMP_CPU("pxa-ssp-dai.2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-voice")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
-
-static struct snd_soc_dai_link zylonite_dai[] = {
-{
- .name = "AC97",
- .stream_name = "AC97 HiFi",
- .init = zylonite_wm9713_init,
- SND_SOC_DAILINK_REG(ac97),
-},
-{
- .name = "AC97 Aux",
- .stream_name = "AC97 Aux",
- SND_SOC_DAILINK_REG(ac97_aux),
-},
-{
- .name = "WM9713 Voice",
- .stream_name = "WM9713 Voice",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &zylonite_voice_ops,
- SND_SOC_DAILINK_REG(voice),
-},
-};
-
-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),
-
- .dapm_widgets = zylonite_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(zylonite_dapm_widgets),
- .dapm_routes = audio_map,
- .num_dapm_routes = ARRAY_SIZE(audio_map),
-};
-
-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 v1.2.3 (git 2.39.0) at 2024-07-10 04:27:09 +0300