summaryrefslogtreecommitdiff
path: root/sound/soc/pxa/zylonite.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2022-09-29 17:27:43 +0300
committerArnd Bergmann <arnd@arndb.de>2023-02-01 19:23:38 +0300
commitb401d1fd805379344750dffb0e3938676a047a2a (patch)
tree4b051fbc434ab4f552bfa52d3c275a3a9c73e059 /sound/soc/pxa/zylonite.c
parent7aeffbf2ddec5ef0f8b8690bd392e5dabbfed820 (diff)
downloadlinux-b401d1fd805379344750dffb0e3938676a047a2a.tar.xz
ASoC: pxa: remove unused board support
Most PXA/MMP boards were removed, so the board specific ASoC support is no longer needed, leaving only support for DT based ones, as well as the "gumstix" and "spitz" machines that may get converted to DT later. Cc: Ian Molton <spyro@f2s.com> Cc: Ken McGuire <kenm@desertweyr.com> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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");