603 lines
16 KiB
Diff
603 lines
16 KiB
Diff
From 3ff79323c50cc67df122c8f02670ff5483ea7ebc Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Sat, 24 Apr 2010 12:32:57 +0200
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Subject: [PATCH] Add jz4740 codec driver
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---
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sound/soc/codecs/Kconfig | 7 +
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sound/soc/codecs/Makefile | 2 +
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sound/soc/codecs/jzcodec.c | 513 ++++++++++++++++++++++++++++++++++++++++++++
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sound/soc/codecs/jzcodec.h | 22 ++
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4 files changed, 544 insertions(+), 0 deletions(-)
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create mode 100644 sound/soc/codecs/jzcodec.c
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create mode 100644 sound/soc/codecs/jzcodec.h
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diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
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index 1743d56..b25598a 100644
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -260,6 +260,13 @@ config SND_SOC_WM9712
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config SND_SOC_WM9713
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tristate
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+config SND_SOC_JZCODEC
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+ tristate "JZ4720/JZ4740 SoC internal codec"
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+ depends on SND_SOC && SOC_JZ4740
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+ help
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+ Say Y if you want to use internal codec on Ingenic JZ4720/JZ4740 based
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+ boards.
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+
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# Amp
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config SND_SOC_MAX9877
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tristate
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diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
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index dd5ce6d..3f6ce05 100644
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--- a/sound/soc/codecs/Makefile
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+++ b/sound/soc/codecs/Makefile
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@@ -54,6 +54,7 @@ snd-soc-wm9705-objs := wm9705.o
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snd-soc-wm9712-objs := wm9712.o
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snd-soc-wm9713-objs := wm9713.o
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snd-soc-wm-hubs-objs := wm_hubs.o
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+snd-soc-jzcodec-objs := jzcodec.o
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# Amp
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snd-soc-max9877-objs := max9877.o
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@@ -116,6 +117,7 @@ obj-$(CONFIG_SND_SOC_WM9705) += snd-soc-wm9705.o
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obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
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obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
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obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o
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+obj-$(CONFIG_SND_SOC_JZCODEC) += snd-soc-jzcodec.o
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# Amp
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obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o
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diff --git a/sound/soc/codecs/jzcodec.c b/sound/soc/codecs/jzcodec.c
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new file mode 100644
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index 0000000..f960d46
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--- /dev/null
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+++ b/sound/soc/codecs/jzcodec.c
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@@ -0,0 +1,513 @@
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+/*
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+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ *
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+ * You should have received a copy of the GNU General Public License along
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+ * with this program; if not, write to the Free Software Foundation, Inc.,
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+ * 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+#include <linux/slab.h>
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+
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+#include <linux/delay.h>
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+
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+#include <sound/core.h>
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+#include <sound/pcm.h>
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+#include <sound/pcm_params.h>
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+#include <sound/initval.h>
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+#include <sound/soc-dapm.h>
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+#include <sound/soc.h>
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+
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+#define JZ_REG_CODEC_1 0x0
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+#define JZ_REG_CODEC_2 0x1
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+
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+#define JZ_CODEC_1_LINE_ENABLE BIT(29)
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+#define JZ_CODEC_1_MIC_ENABLE BIT(28)
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+#define JZ_CODEC_1_SW1_ENABLE BIT(27)
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+#define JZ_CODEC_1_ADC_ENABLE BIT(26)
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+#define JZ_CODEC_1_SW2_ENABLE BIT(25)
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+#define JZ_CODEC_1_DAC_ENABLE BIT(24)
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+#define JZ_CODEC_1_VREF_DISABLE BIT(20)
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+#define JZ_CODEC_1_VREF_AMP_DISABLE BIT(19)
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+#define JZ_CODEC_1_VREF_PULL_DOWN BIT(18)
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+#define JZ_CODEC_1_VREF_LOW_CURRENT BIT(17)
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+#define JZ_CODEC_1_VREF_HIGH_CURRENT BIT(16)
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+#define JZ_CODEC_1_HEADPHONE_DISABLE BIT(14)
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+#define JZ_CODEC_1_HEADPHONE_AMP_CHANGE_ANY BIT(13)
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+#define JZ_CODEC_1_HEADPHONE_CHANGE BIT(12)
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+#define JZ_CODEC_1_HEADPHONE_PULL_DOWN_M BIT(11)
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+#define JZ_CODEC_1_HEADPHONE_PULL_DOWN_R BIT(10)
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+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN_M BIT(9)
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+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN BIT(8)
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+#define JZ_CODEC_1_SUSPEND BIT(1)
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+#define JZ_CODEC_1_RESET BIT(0)
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+
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+#define JZ_CODEC_1_LINE_ENABLE_OFFSET 29
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+#define JZ_CODEC_1_MIC_ENABLE_OFFSET 28
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+#define JZ_CODEC_1_SW1_ENABLE_OFFSET 27
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+#define JZ_CODEC_1_ADC_ENABLE_OFFSET 26
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+#define JZ_CODEC_1_SW2_ENABLE_OFFSET 25
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+#define JZ_CODEC_1_DAC_ENABLE_OFFSET 24
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+#define JZ_CODEC_1_HEADPHONE_DISABLE_OFFSET 14
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+#define JZ_CODEC_1_HEADPHONE_POWER_DOWN_OFFSET 8
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+
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+#define JZ_CODEC_2_INPUT_VOLUME_MASK 0x1f0000
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+#define JZ_CODEC_2_SAMPLE_RATE_MASK 0x000f00
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+#define JZ_CODEC_2_MIC_BOOST_GAIN_MASK 0x000030
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+#define JZ_CODEC_2_HEADPHONE_VOLUME_MASK 0x000003
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+
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+#define JZ_CODEC_2_INPUT_VOLUME_OFFSET 16
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+#define JZ_CODEC_2_SAMPLE_RATE_OFFSET 8
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+#define JZ_CODEC_2_MIC_BOOST_GAIN_OFFSET 4
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+#define JZ_CODEC_2_HEADPHONE_VOLUME_OFFSET 0
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+
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+struct jz_codec {
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+ void __iomem *base;
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+ struct resource *mem;
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+
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+ uint32_t reg_cache[2];
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+ struct snd_soc_codec codec;
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+};
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+
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+static inline struct jz_codec *codec_to_jz(struct snd_soc_codec *codec)
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+{
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+ return container_of(codec, struct jz_codec, codec);
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+}
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+
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+static unsigned int jz_codec_read(struct snd_soc_codec *codec, unsigned int reg)
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+{
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+ struct jz_codec *jz_codec = codec_to_jz(codec);
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+ return readl(jz_codec->base + (reg << 2));
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+}
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+
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+static int jz_codec_write(struct snd_soc_codec *codec, unsigned int reg,
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+unsigned int val)
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+{
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+ struct jz_codec *jz_codec = codec_to_jz(codec);
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+ jz_codec->reg_cache[reg] = val;
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+
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+ writel(val, jz_codec->base + (reg << 2));
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+ return 0;
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+}
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+
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+static const struct snd_kcontrol_new jz_codec_controls[] = {
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+ SOC_SINGLE("Master Playback Volume", JZ_REG_CODEC_2,
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+ JZ_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0),
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+ SOC_SINGLE("Capture Volume", JZ_REG_CODEC_2,
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+ JZ_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0),
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+ SOC_SINGLE("Master Playback Switch", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_HEADPHONE_DISABLE_OFFSET, 1, 1),
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+ SOC_SINGLE("Mic Capture Volume", JZ_REG_CODEC_2,
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+ JZ_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0),
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+};
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+
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+static const struct snd_kcontrol_new jz_codec_output_controls[] = {
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+ SOC_DAPM_SINGLE("Bypass Switch", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_SW1_ENABLE_OFFSET, 1, 0),
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+ SOC_DAPM_SINGLE("DAC Switch", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_SW2_ENABLE_OFFSET, 1, 0),
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+};
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+
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+static const struct snd_kcontrol_new jz_codec_input_controls[] = {
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+ SOC_DAPM_SINGLE("Line Capture Switch", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_LINE_ENABLE_OFFSET, 1, 0),
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+ SOC_DAPM_SINGLE("Mic Capture Switch", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_MIC_ENABLE_OFFSET, 1, 0),
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+};
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+
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+static const struct snd_soc_dapm_widget jz_codec_dapm_widgets[] = {
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+ SND_SOC_DAPM_ADC("ADC", "Capture", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_ADC_ENABLE_OFFSET, 0),
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+ SND_SOC_DAPM_DAC("DAC", "Playback", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_DAC_ENABLE_OFFSET, 0),
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+
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+ SND_SOC_DAPM_MIXER("Output Mixer", JZ_REG_CODEC_1,
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+ JZ_CODEC_1_HEADPHONE_POWER_DOWN_OFFSET, 1,
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+ jz_codec_output_controls,
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+ ARRAY_SIZE(jz_codec_output_controls)),
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+
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+ SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0,
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+ jz_codec_input_controls,
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+ ARRAY_SIZE(jz_codec_input_controls)),
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+ SND_SOC_DAPM_MIXER("Line Input", SND_SOC_NOPM, 0, 0, NULL, 0),
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+
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+ SND_SOC_DAPM_OUTPUT("LOUT"),
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+ SND_SOC_DAPM_OUTPUT("ROUT"),
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+
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+ SND_SOC_DAPM_INPUT("MIC"),
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+ SND_SOC_DAPM_INPUT("LIN"),
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+ SND_SOC_DAPM_INPUT("RIN"),
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+};
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+
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+static const struct snd_soc_dapm_route jz_codec_dapm_routes[] = {
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+
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+ {"Line Input", NULL, "LIN"},
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+ {"Line Input", NULL, "RIN"},
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+
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+ {"Input Mixer", "Line Capture Switch", "Line Input"},
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+ {"Input Mixer", "Mic Capture Switch", "MIC"},
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+
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+ {"ADC", NULL, "Input Mixer"},
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+
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+ {"Output Mixer", "Bypass Switch", "Input Mixer"},
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+ {"Output Mixer", "DAC Switch", "DAC"},
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+
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+ {"LOUT", NULL, "Output Mixer"},
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+ {"ROUT", NULL, "Output Mixer"},
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+};
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+
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+static int jz_codec_hw_params(struct snd_pcm_substream *substream, struct
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+snd_pcm_hw_params *params, struct snd_soc_dai *dai)
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+{
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+ uint32_t val;
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+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
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+ struct snd_soc_device *socdev = rtd->socdev;
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+ struct snd_soc_codec *codec = socdev->card->codec;
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+
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+ switch (params_format(params)) {
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+ case SNDRV_PCM_FORMAT_S8:
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+ case SNDRV_PCM_FORMAT_S16_LE:
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+ case SNDRV_PCM_FORMAT_S18_3LE:
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+ break;
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+ default:
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+ return -EINVAL;
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+ break;
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+ }
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+
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+ switch (params_rate(params)) {
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+ case 8000:
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+ val = 0;
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+ break;
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+ case 11025:
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+ val = 1;
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+ break;
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+ case 12000:
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+ val = 2;
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+ break;
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+ case 16000:
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+ val = 3;
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+ break;
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+ case 22050:
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+ val = 4;
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+ break;
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+ case 24000:
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+ val = 5;
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+ break;
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+ case 32000:
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+ val = 6;
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+ break;
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+ case 44100:
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+ val = 7;
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+ break;
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+ case 48000:
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+ val = 8;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ val <<= JZ_CODEC_2_SAMPLE_RATE_OFFSET;
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+
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_2,
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+ JZ_CODEC_2_SAMPLE_RATE_MASK, val);
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+
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+ return 0;
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+}
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+
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+static int jz_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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+{
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+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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+ case SND_SOC_DAIFMT_CBM_CFM:
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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+ case SND_SOC_DAIFMT_I2S:
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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+ case SND_SOC_DAIFMT_NB_NF:
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ return 0;
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+}
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+
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+static int jz_codec_set_sysclk(struct snd_soc_dai *codec_dai,
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+ int clk_id, unsigned int freq, int dir)
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+{
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+ return 0;
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+}
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+
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+
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+static struct snd_soc_dai_ops jz_codec_dai_ops = {
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+ .hw_params = jz_codec_hw_params,
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+ .set_fmt = jz_codec_set_fmt,
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+/* .set_clkdiv = jz_codec_set_clkdiv,*/
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+ .set_sysclk = jz_codec_set_sysclk,
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+};
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+
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+struct snd_soc_dai jz_codec_dai = {
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+ .name = "jz-codec",
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+ .playback = {
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+ .stream_name = "Playback",
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+ .channels_min = 2,
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+ .channels_max = 2,
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+ .rates = SNDRV_PCM_RATE_8000_44100,
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+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
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+ },
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+ .capture = {
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+ .stream_name = "Capture",
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+ .channels_min = 2,
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+ .channels_max = 2,
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+ .rates = SNDRV_PCM_RATE_8000_44100,
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+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
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+ },
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+ .ops = &jz_codec_dai_ops,
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+ .symmetric_rates = 1,
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+};
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+EXPORT_SYMBOL_GPL(jz_codec_dai);
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+
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+static int jz_codec_set_bias_level(struct snd_soc_codec *codec,
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+ enum snd_soc_bias_level level)
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+{
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+
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+ if (codec->bias_level == SND_SOC_BIAS_OFF && level != SND_SOC_BIAS_OFF) {
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_RESET, JZ_CODEC_1_RESET);
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+ udelay(2);
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+
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_SUSPEND | JZ_CODEC_1_RESET, 0);
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+ }
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+ switch (level) {
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+ case SND_SOC_BIAS_ON:
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_VREF_DISABLE |
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+ JZ_CODEC_1_VREF_AMP_DISABLE |
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+ JZ_CODEC_1_HEADPHONE_POWER_DOWN_M |
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+ JZ_CODEC_1_VREF_LOW_CURRENT |
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+ JZ_CODEC_1_VREF_HIGH_CURRENT,
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+ 0);
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+ break;
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+ case SND_SOC_BIAS_PREPARE:
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_VREF_LOW_CURRENT |
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+ JZ_CODEC_1_VREF_HIGH_CURRENT,
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+ JZ_CODEC_1_VREF_LOW_CURRENT |
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+ JZ_CODEC_1_VREF_HIGH_CURRENT);
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+ break;
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+ case SND_SOC_BIAS_STANDBY:
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_VREF_DISABLE | JZ_CODEC_1_VREF_AMP_DISABLE,
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+ JZ_CODEC_1_VREF_DISABLE | JZ_CODEC_1_VREF_AMP_DISABLE);
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+ break;
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+ case SND_SOC_BIAS_OFF:
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+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
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+ JZ_CODEC_1_SUSPEND, JZ_CODEC_1_SUSPEND);
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+ break;
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+ }
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+ codec->bias_level = level;
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+
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+ return 0;
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+}
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+
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+
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+static struct snd_soc_codec *jz_codec_codec;
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+
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+static int jz_codec_dev_probe(struct platform_device *pdev)
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+{
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+ int ret;
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+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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+ struct snd_soc_codec *codec = jz_codec_codec;
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+
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+ BUG_ON(!codec);
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+
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+ socdev->card->codec = codec;
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+
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+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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+ if (ret) {
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+ dev_err(&pdev->dev, "Failed to create pcms: %d\n", ret);
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+ return ret;
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+ }
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+
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+ snd_soc_add_controls(codec, jz_codec_controls,
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+ ARRAY_SIZE(jz_codec_controls));
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+
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+ snd_soc_dapm_new_controls(codec, jz_codec_dapm_widgets,
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+ ARRAY_SIZE(jz_codec_dapm_widgets));
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+
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+ snd_soc_dapm_add_routes(codec, jz_codec_dapm_routes,
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+ ARRAY_SIZE(jz_codec_dapm_routes));
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+
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+ snd_soc_dapm_new_widgets(codec);
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+
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+ return 0;
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+}
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+
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+static int jz_codec_dev_remove(struct platform_device *pdev)
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+{
|
|
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
|
|
+ snd_soc_free_pcms(socdev);
|
|
+ snd_soc_dapm_free(socdev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+struct snd_soc_codec_device soc_codec_dev_jzcodec = {
|
|
+ .probe = jz_codec_dev_probe,
|
|
+ .remove = jz_codec_dev_remove,
|
|
+};
|
|
+EXPORT_SYMBOL_GPL(soc_codec_dev_jzcodec);
|
|
+
|
|
+static int __devinit jz_codec_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret;
|
|
+ struct jz_codec *jz_codec;
|
|
+ struct snd_soc_codec *codec;
|
|
+
|
|
+ jz_codec = kzalloc(sizeof(*jz_codec), GFP_KERNEL);
|
|
+
|
|
+ if (!jz_codec)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ jz_codec->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+
|
|
+ if (!jz_codec->mem) {
|
|
+ dev_err(&pdev->dev, "Failed to get mmio memory resource\n");
|
|
+ ret = -ENOENT;
|
|
+ goto err_free_jz_codec;
|
|
+ }
|
|
+
|
|
+ jz_codec->mem = request_mem_region(jz_codec->mem->start,
|
|
+ resource_size(jz_codec->mem), pdev->name);
|
|
+
|
|
+ if (!jz_codec->mem) {
|
|
+ dev_err(&pdev->dev, "Failed to request mmio memory region\n");
|
|
+ ret = -EBUSY;
|
|
+ goto err_free_jz_codec;
|
|
+ }
|
|
+
|
|
+ jz_codec->base = ioremap(jz_codec->mem->start, resource_size(jz_codec->mem));
|
|
+
|
|
+ if (!jz_codec->base) {
|
|
+ dev_err(&pdev->dev, "Failed to ioremap mmio memory\n");
|
|
+ ret = -EBUSY;
|
|
+ goto err_release_mem_region;
|
|
+ }
|
|
+
|
|
+ jz_codec_dai.dev = &pdev->dev;
|
|
+
|
|
+ codec = &jz_codec->codec;
|
|
+
|
|
+ codec->dev = &pdev->dev;
|
|
+ codec->name = "jz-codec";
|
|
+ codec->owner = THIS_MODULE;
|
|
+
|
|
+ codec->read = jz_codec_read;
|
|
+ codec->write = jz_codec_write;
|
|
+ codec->set_bias_level = jz_codec_set_bias_level;
|
|
+ codec->bias_level = SND_SOC_BIAS_OFF;
|
|
+
|
|
+ codec->dai = &jz_codec_dai;
|
|
+ codec->num_dai = 1;
|
|
+
|
|
+ codec->reg_cache = jz_codec->reg_cache;
|
|
+ codec->reg_cache_size = 2;
|
|
+
|
|
+ codec->private_data = jz_codec;
|
|
+
|
|
+ mutex_init(&codec->mutex);
|
|
+ INIT_LIST_HEAD(&codec->dapm_widgets);
|
|
+ INIT_LIST_HEAD(&codec->dapm_paths);
|
|
+
|
|
+ jz_codec_codec = codec;
|
|
+
|
|
+ snd_soc_update_bits(codec, JZ_REG_CODEC_1,
|
|
+ JZ_CODEC_1_SW2_ENABLE, JZ_CODEC_1_SW2_ENABLE);
|
|
+
|
|
+
|
|
+ platform_set_drvdata(pdev, jz_codec);
|
|
+ ret = snd_soc_register_codec(codec);
|
|
+
|
|
+ if (ret) {
|
|
+ dev_err(&pdev->dev, "Failed to register codec\n");
|
|
+ goto err_iounmap;
|
|
+ }
|
|
+
|
|
+ ret = snd_soc_register_dai(&jz_codec_dai);
|
|
+ if (ret) {
|
|
+ dev_err(&pdev->dev, "Failed to register codec dai\n");
|
|
+ goto err_unregister_codec;
|
|
+ }
|
|
+
|
|
+ jz_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
+
|
|
+ return 0;
|
|
+err_unregister_codec:
|
|
+ snd_soc_unregister_codec(codec);
|
|
+err_iounmap:
|
|
+ iounmap(jz_codec->base);
|
|
+err_release_mem_region:
|
|
+ release_mem_region(jz_codec->mem->start, resource_size(jz_codec->mem));
|
|
+err_free_jz_codec:
|
|
+ kfree(jz_codec);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int __devexit jz_codec_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct jz_codec *jz_codec = platform_get_drvdata(pdev);
|
|
+
|
|
+ snd_soc_unregister_dai(&jz_codec_dai);
|
|
+ snd_soc_unregister_codec(&jz_codec->codec);
|
|
+
|
|
+ iounmap(jz_codec->base);
|
|
+ release_mem_region(jz_codec->mem->start, resource_size(jz_codec->mem));
|
|
+
|
|
+ platform_set_drvdata(pdev, NULL);
|
|
+ kfree(jz_codec);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver jz_codec_driver = {
|
|
+ .probe = jz_codec_probe,
|
|
+ .remove = __devexit_p(jz_codec_remove),
|
|
+ .driver = {
|
|
+ .name = "jz4740-codec",
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init jz_codec_init(void)
|
|
+{
|
|
+ return platform_driver_register(&jz_codec_driver);
|
|
+}
|
|
+module_init(jz_codec_init);
|
|
+
|
|
+static void __exit jz_codec_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&jz_codec_driver);
|
|
+}
|
|
+module_exit(jz_codec_exit);
|
|
+
|
|
+MODULE_DESCRIPTION("JZ4720/JZ4740 SoC internal codec driver");
|
|
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
|
+MODULE_LICENSE("GPL v2");
|
|
+MODULE_ALIAS("platform:jz-codec");
|
|
diff --git a/sound/soc/codecs/jzcodec.h b/sound/soc/codecs/jzcodec.h
|
|
new file mode 100644
|
|
index 0000000..05c57b8
|
|
--- /dev/null
|
|
+++ b/sound/soc/codecs/jzcodec.h
|
|
@@ -0,0 +1,22 @@
|
|
+/*
|
|
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.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.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License along
|
|
+ * with this program; if not, write to the Free Software Foundation, Inc.,
|
|
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
+ *
|
|
+ */
|
|
+
|
|
+#ifndef _ICODEC_H
|
|
+#define _ICODEC_H
|
|
+
|
|
+#define JZCODEC_SYSCLK 0
|
|
+
|
|
+extern struct snd_soc_dai jz_codec_dai;
|
|
+extern struct snd_soc_codec_device soc_codec_dev_jzcodec;
|
|
+
|
|
+#endif
|
|
--
|
|
1.5.6.5
|
|
|