mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-18 15:51:52 +02:00
29ec26ff1b
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21438 3c298f89-4303-0410-b956-a3cf2f4a3e73
232 lines
6.4 KiB
Diff
232 lines
6.4 KiB
Diff
From 53b1d94ccca6a06e86460344f7c38949d53374b6 Mon Sep 17 00:00:00 2001
|
|
From: Lars-Peter Clausen <lars@metafoo.de>
|
|
Date: Sat, 24 Apr 2010 12:36:15 +0200
|
|
Subject: [PATCH] Add qi_lb60 SoC sound board driver
|
|
|
|
---
|
|
sound/soc/jz4740/Kconfig | 8 ++
|
|
sound/soc/jz4740/Makefile | 4 +
|
|
sound/soc/jz4740/qi_lb60.c | 182 ++++++++++++++++++++++++++++++++++++++++++++
|
|
3 files changed, 194 insertions(+), 0 deletions(-)
|
|
create mode 100644 sound/soc/jz4740/qi_lb60.c
|
|
|
|
diff --git a/sound/soc/jz4740/Kconfig b/sound/soc/jz4740/Kconfig
|
|
index 39df949..e546c30 100644
|
|
--- a/sound/soc/jz4740/Kconfig
|
|
+++ b/sound/soc/jz4740/Kconfig
|
|
@@ -11,3 +11,11 @@ config SND_JZ4740_SOC_I2S
|
|
tristate "SoC Audio (I2S protocol) for Ingenic jz4740 chip"
|
|
help
|
|
Say Y if you want to use I2S protocol and I2S codec on Ingenic Jz4740 QI_LB60 board.
|
|
+
|
|
+config SND_JZ4740_SOC_QI_LB60
|
|
+ tristate "SoC Audio support for Qi Hardware Ben Nanonote"
|
|
+ depends on SND_JZ4740_SOC && JZ4740_QI_LB60
|
|
+ select SND_JZ4740_SOC_I2S
|
|
+ select SND_SOC_JZCODEC
|
|
+ help
|
|
+ Say Y if you want to add support for SoC audio of internal codec on Ingenic Jz4740 QI_LB60 board.
|
|
diff --git a/sound/soc/jz4740/Makefile b/sound/soc/jz4740/Makefile
|
|
index 1be8d19..be873c1 100644
|
|
--- a/sound/soc/jz4740/Makefile
|
|
+++ b/sound/soc/jz4740/Makefile
|
|
@@ -7,3 +7,7 @@ snd-soc-jz4740-i2s-objs := jz4740-i2s.o
|
|
obj-$(CONFIG_SND_JZ4740_SOC) += snd-soc-jz4740.o
|
|
obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-soc-jz4740-i2s.o
|
|
|
|
+# Jz4740 Machine Support
|
|
+snd-soc-qi-lb60-objs := qi_lb60.o
|
|
+
|
|
+obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o
|
|
diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c
|
|
new file mode 100644
|
|
index 0000000..a2ce3cf
|
|
--- /dev/null
|
|
+++ b/sound/soc/jz4740/qi_lb60.c
|
|
@@ -0,0 +1,182 @@
|
|
+/*
|
|
+ * 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.
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/module.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/timer.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <sound/core.h>
|
|
+#include <sound/pcm.h>
|
|
+#include <sound/soc.h>
|
|
+#include <sound/soc-dapm.h>
|
|
+#include <linux/gpio.h>
|
|
+
|
|
+#include "../codecs/jzcodec.h"
|
|
+#include "jz4740-pcm.h"
|
|
+#include "jz4740-i2s.h"
|
|
+
|
|
+
|
|
+#define QI_LB60_SND_GPIO JZ_GPIO_PORTB(29)
|
|
+#define QI_LB60_AMP_GPIO JZ_GPIO_PORTD(4)
|
|
+
|
|
+static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget,
|
|
+ struct snd_kcontrol *ctrl, int event)
|
|
+{
|
|
+ int on = 0;
|
|
+ if (event & SND_SOC_DAPM_POST_PMU)
|
|
+ on = 1;
|
|
+ else if (event & SND_SOC_DAPM_PRE_PMD)
|
|
+ on = 0;
|
|
+
|
|
+ gpio_set_value(QI_LB60_SND_GPIO, on);
|
|
+ gpio_set_value(QI_LB60_AMP_GPIO, on);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static const struct snd_soc_dapm_widget qi_lb60_widgets[] = {
|
|
+ SND_SOC_DAPM_SPK("Speaker", qi_lb60_spk_event),
|
|
+ SND_SOC_DAPM_MIC("Mic", NULL),
|
|
+};
|
|
+
|
|
+static const struct snd_soc_dapm_route qi_lb60_routes[] = {
|
|
+ {"Mic", NULL, "MIC"},
|
|
+ {"Speaker", NULL, "LOUT"},
|
|
+ {"Speaker", NULL, "ROUT"},
|
|
+};
|
|
+
|
|
+#define QI_LB60_DAIFMT (SND_SOC_DAIFMT_I2S | \
|
|
+ SND_SOC_DAIFMT_NB_NF | \
|
|
+ SND_SOC_DAIFMT_CBM_CFM)
|
|
+
|
|
+static int qi_lb60_codec_init(struct snd_soc_codec *codec)
|
|
+{
|
|
+ int ret;
|
|
+ struct snd_soc_dai *cpu_dai = codec->socdev->card->dai_link->cpu_dai;
|
|
+ struct snd_soc_dai *codec_dai = codec->socdev->card->dai_link->codec_dai;
|
|
+
|
|
+ snd_soc_dapm_nc_pin(codec, "LIN");
|
|
+ snd_soc_dapm_nc_pin(codec, "RIN");
|
|
+
|
|
+ ret = snd_soc_dai_set_fmt(codec_dai, QI_LB60_DAIFMT);
|
|
+ if (ret < 0) {
|
|
+ dev_err(codec->dev, "Failed to set codec dai format: %d\n", ret);
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ ret = snd_soc_dai_set_fmt(cpu_dai, QI_LB60_DAIFMT);
|
|
+ if (ret < 0) {
|
|
+ dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ ret = snd_soc_dai_set_sysclk(codec_dai, JZCODEC_SYSCLK, 111,
|
|
+ SND_SOC_CLOCK_IN);
|
|
+ if (ret < 0) {
|
|
+ dev_err(codec->dev, "Failed to set codec dai sysclk: %d\n", ret);
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ snd_soc_dapm_new_controls(codec, qi_lb60_widgets, ARRAY_SIZE(qi_lb60_widgets));
|
|
+
|
|
+ snd_soc_dapm_add_routes(codec, qi_lb60_routes, ARRAY_SIZE(qi_lb60_routes));
|
|
+
|
|
+ snd_soc_dapm_sync(codec);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct snd_soc_dai_link qi_lb60_dai = {
|
|
+ .name = "jz-codec",
|
|
+ .stream_name = "JZCODEC",
|
|
+ .cpu_dai = &jz4740_i2s_dai,
|
|
+ .codec_dai = &jz_codec_dai,
|
|
+ .init = qi_lb60_codec_init,
|
|
+};
|
|
+
|
|
+static struct snd_soc_card qi_lb60 = {
|
|
+ .name = "QI LB60",
|
|
+ .dai_link = &qi_lb60_dai,
|
|
+ .num_links = 1,
|
|
+ .platform = &jz4740_soc_platform,
|
|
+};
|
|
+
|
|
+static struct snd_soc_device qi_lb60_snd_devdata = {
|
|
+ .card = &qi_lb60,
|
|
+ .codec_dev = &soc_codec_dev_jzcodec,
|
|
+};
|
|
+
|
|
+static struct platform_device *qi_lb60_snd_device;
|
|
+
|
|
+static int __init qi_lb60_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
|
|
+
|
|
+ if (!qi_lb60_snd_device)
|
|
+ return -ENOMEM;
|
|
+
|
|
+
|
|
+ ret = gpio_request(QI_LB60_SND_GPIO, "SND");
|
|
+ if (ret) {
|
|
+ pr_err("qi_lb60 snd: Failed to request SND GPIO(%d): %d\n",
|
|
+ QI_LB60_SND_GPIO, ret);
|
|
+ goto err_device_put;
|
|
+ }
|
|
+
|
|
+ ret = gpio_request(QI_LB60_AMP_GPIO, "AMP");
|
|
+ if (ret) {
|
|
+ pr_err("qi_lb60 snd: Failed to request AMP GPIO(%d): %d\n",
|
|
+ QI_LB60_AMP_GPIO, ret);
|
|
+ goto err_gpio_free_snd;
|
|
+ }
|
|
+
|
|
+ gpio_direction_output(JZ_GPIO_PORTB(29), 0);
|
|
+ gpio_direction_output(JZ_GPIO_PORTD(4), 0);
|
|
+
|
|
+ platform_set_drvdata(qi_lb60_snd_device, &qi_lb60_snd_devdata);
|
|
+ qi_lb60_snd_devdata.dev = &qi_lb60_snd_device->dev;
|
|
+ ret = platform_device_add(qi_lb60_snd_device);
|
|
+ if (ret) {
|
|
+ pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
|
|
+ goto err_unset_pdata;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err_unset_pdata:
|
|
+ platform_set_drvdata(qi_lb60_snd_device, NULL);
|
|
+/*err_gpio_free_amp:*/
|
|
+ gpio_free(QI_LB60_AMP_GPIO);
|
|
+err_gpio_free_snd:
|
|
+ gpio_free(QI_LB60_SND_GPIO);
|
|
+err_device_put:
|
|
+ platform_device_put(qi_lb60_snd_device);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+module_init(qi_lb60_init);
|
|
+
|
|
+static void __exit qi_lb60_exit(void)
|
|
+{
|
|
+ gpio_free(QI_LB60_AMP_GPIO);
|
|
+ gpio_free(QI_LB60_SND_GPIO);
|
|
+ platform_device_unregister(qi_lb60_snd_device);
|
|
+}
|
|
+module_exit(qi_lb60_exit);
|
|
+
|
|
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
|
+MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
|
|
+MODULE_LICENSE("GPL v2");
|
|
--
|
|
1.5.6.5
|
|
|