[alsa-devel] [PATCH 1/6] ASoC: sh: discontinue support of migor driver
Kuninori Morimoto
kuninori.morimoto.gx at renesas.com
Thu Feb 5 08:11:26 CET 2015
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
In upstream kernel, no one is using SND_SIU_MIGOR.
This patch discontinue support of migor driver to reducing
maintenance cost. Thank you and good bye migor driver.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
sound/soc/sh/Kconfig | 8 --
sound/soc/sh/Makefile | 2 -
sound/soc/sh/migor.c | 208 -------------------------------------------------
3 files changed, 218 deletions(-)
delete mode 100644 sound/soc/sh/migor.c
diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig
index 80245b6..8b8409c 100644
--- a/sound/soc/sh/Kconfig
+++ b/sound/soc/sh/Kconfig
@@ -54,12 +54,4 @@ config SND_SH7760_AC97
This option enables generic sound support for the first
AC97 unit of the SH7760.
-config SND_SIU_MIGOR
- tristate "SIU sound support on Migo-R"
- depends on SH_MIGOR && I2C
- select SND_SOC_SH4_SIU
- select SND_SOC_WM8978
- help
- This option enables sound support for the SH7722 Migo-R board
-
endmenu
diff --git a/sound/soc/sh/Makefile b/sound/soc/sh/Makefile
index aaf3dcd..a462960 100644
--- a/sound/soc/sh/Makefile
+++ b/sound/soc/sh/Makefile
@@ -17,7 +17,5 @@ obj-$(CONFIG_SND_SOC_RCAR) += rcar/
## boards
snd-soc-sh7760-ac97-objs := sh7760-ac97.o
-snd-soc-migor-objs := migor.o
obj-$(CONFIG_SND_SH7760_AC97) += snd-soc-sh7760-ac97.o
-obj-$(CONFIG_SND_SIU_MIGOR) += snd-soc-migor.o
diff --git a/sound/soc/sh/migor.c b/sound/soc/sh/migor.c
deleted file mode 100644
index 82f5823..0000000
--- a/sound/soc/sh/migor.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * ALSA SoC driver for Migo-R
- *
- * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski at gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/clkdev.h>
-#include <linux/device.h>
-#include <linux/firmware.h>
-#include <linux/module.h>
-
-#include <asm/clock.h>
-
-#include <cpu/sh7722.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-
-#include "../codecs/wm8978.h"
-#include "siu.h"
-
-/* Default 8000Hz sampling frequency */
-static unsigned long codec_freq = 8000 * 512;
-
-static unsigned int use_count;
-
-/* External clock, sourced from the codec at the SIUMCKB pin */
-static unsigned long siumckb_recalc(struct clk *clk)
-{
- return codec_freq;
-}
-
-static struct sh_clk_ops siumckb_clk_ops = {
- .recalc = siumckb_recalc,
-};
-
-static struct clk siumckb_clk = {
- .ops = &siumckb_clk_ops,
- .rate = 0, /* initialised at run-time */
-};
-
-static struct clk_lookup *siumckb_lookup;
-
-static int migor_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;
- int ret;
- unsigned int rate = params_rate(params);
-
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8978_PLL, 13000000,
- SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8978_OPCLKRATE, rate * 512);
- if (ret < 0)
- return ret;
-
- codec_freq = rate * 512;
- /*
- * This propagates the parent frequency change to children and
- * recalculates the frequency table
- */
- clk_set_rate(&siumckb_clk, codec_freq);
- dev_dbg(codec_dai->dev, "%s: configure %luHz\n", __func__, codec_freq);
-
- ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, SIU_CLKB_EXT,
- codec_freq / 2, SND_SOC_CLOCK_IN);
-
- if (!ret)
- use_count++;
-
- return ret;
-}
-
-static int migor_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
-
- if (use_count) {
- use_count--;
-
- if (!use_count)
- snd_soc_dai_set_sysclk(codec_dai, WM8978_PLL, 0,
- SND_SOC_CLOCK_IN);
- } else {
- dev_dbg(codec_dai->dev, "Unbalanced hw_free!\n");
- }
-
- return 0;
-}
-
-static struct snd_soc_ops migor_dai_ops = {
- .hw_params = migor_hw_params,
- .hw_free = migor_hw_free,
-};
-
-static const struct snd_soc_dapm_widget migor_dapm_widgets[] = {
- SND_SOC_DAPM_HP("Headphone", NULL),
- SND_SOC_DAPM_MIC("Onboard Microphone", NULL),
- SND_SOC_DAPM_MIC("External Microphone", NULL),
-};
-
-static const struct snd_soc_dapm_route audio_map[] = {
- /* Headphone output connected to LHP/RHP, enable OUT4 for VMID */
- { "Headphone", NULL, "OUT4 VMID" },
- { "OUT4 VMID", NULL, "LHP" },
- { "OUT4 VMID", NULL, "RHP" },
-
- /* On-board microphone */
- { "RMICN", NULL, "Mic Bias" },
- { "RMICP", NULL, "Mic Bias" },
- { "Mic Bias", NULL, "Onboard Microphone" },
-
- /* External microphone */
- { "LMICN", NULL, "Mic Bias" },
- { "LMICP", NULL, "Mic Bias" },
- { "Mic Bias", NULL, "External Microphone" },
-};
-
-/* migor digital audio interface glue - connects codec <--> CPU */
-static struct snd_soc_dai_link migor_dai = {
- .name = "wm8978",
- .stream_name = "WM8978",
- .cpu_dai_name = "siu-pcm-audio",
- .codec_dai_name = "wm8978-hifi",
- .platform_name = "siu-pcm-audio",
- .codec_name = "wm8978.0-001a",
- .dai_fmt = SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_CBS_CFS,
- .ops = &migor_dai_ops,
-};
-
-/* migor audio machine driver */
-static struct snd_soc_card snd_soc_migor = {
- .name = "Migo-R",
- .owner = THIS_MODULE,
- .dai_link = &migor_dai,
- .num_links = 1,
-
- .dapm_widgets = migor_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(migor_dapm_widgets),
- .dapm_routes = audio_map,
- .num_dapm_routes = ARRAY_SIZE(audio_map),
-};
-
-static struct platform_device *migor_snd_device;
-
-static int __init migor_init(void)
-{
- int ret;
-
- ret = clk_register(&siumckb_clk);
- if (ret < 0)
- return ret;
-
- siumckb_lookup = clkdev_alloc(&siumckb_clk, "siumckb_clk", NULL);
- if (!siumckb_lookup) {
- ret = -ENOMEM;
- goto eclkdevalloc;
- }
- clkdev_add(siumckb_lookup);
-
- /* Port number used on this machine: port B */
- migor_snd_device = platform_device_alloc("soc-audio", 1);
- if (!migor_snd_device) {
- ret = -ENOMEM;
- goto epdevalloc;
- }
-
- platform_set_drvdata(migor_snd_device, &snd_soc_migor);
-
- ret = platform_device_add(migor_snd_device);
- if (ret)
- goto epdevadd;
-
- return 0;
-
-epdevadd:
- platform_device_put(migor_snd_device);
-epdevalloc:
- clkdev_drop(siumckb_lookup);
-eclkdevalloc:
- clk_unregister(&siumckb_clk);
- return ret;
-}
-
-static void __exit migor_exit(void)
-{
- clkdev_drop(siumckb_lookup);
- clk_unregister(&siumckb_clk);
- platform_device_unregister(migor_snd_device);
-}
-
-module_init(migor_init);
-module_exit(migor_exit);
-
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski at gmx.de>");
-MODULE_DESCRIPTION("ALSA SoC Migor");
-MODULE_LICENSE("GPL v2");
--
1.7.9.5
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