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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 04:07:31 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 04:07:31 +0400
commitfaa38b5e0e092914764cdba9f83d31a3f794d182 (patch)
treeb3e5921bdc36378033b4910eb4f29cb0dfc486e0 /sound/soc/jz4740/qi_lb60.c
parent78417334b5cb6e1f915b8fdcc4fce3f1a1b4420c (diff)
parent74bf40f0793fed9e01eb6164c2ce63e8c27ca205 (diff)
downloadlinux-faa38b5e0e092914764cdba9f83d31a3f794d182.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (214 commits) ALSA: hda - Add pin-fix for HP dc5750 ALSA: als4000: Fix potentially invalid DMA mode setup ALSA: als4000: enable burst mode ALSA: hda - Fix initial capsrc selection in patch_alc269() ASoC: TWL4030: Capture route runtime DAPM ordering fix ALSA: hda - Add PC-beep whitelist for an Intel board ALSA: hda - More relax for pending period handling ALSA: hda - Define AC_FMT_* constants ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs ALSA: hda - Add support for HDMI HBR passthrough ALSA: hda - Set Stream Type in Stream Format according to AES0 ALSA: hda - Fix Thinkpad X300 so SPDIF is not exposed ALSA: hda - FIX to not expose SPDIF on Thinkpad X301, since it does not have the ability to use SPDIF ASoC: wm9081: fix resource reclaim in wm9081_register error path ASoC: wm8978: fix a memory leak if a wm8978_register fail ASoC: wm8974: fix a memory leak if another WM8974 is registered ASoC: wm8961: fix resource reclaim in wm8961_register error path ASoC: wm8955: fix resource reclaim in wm8955_register error path ASoC: wm8940: fix a memory leak if wm8940_register return error ASoC: wm8904: fix resource reclaim in wm8904_register error path ...
Diffstat (limited to 'sound/soc/jz4740/qi_lb60.c')
-rw-r--r--sound/soc/jz4740/qi_lb60.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c
new file mode 100644
index 000000000000..f15f4918f15f
--- /dev/null
+++ b/sound/soc/jz4740/qi_lb60.c
@@ -0,0 +1,166 @@
+/*
+ * 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/jz4740.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;
+
+ snd_soc_dapm_nc_pin(codec, "LIN");
+ snd_soc_dapm_nc_pin(codec, "RIN");
+
+ 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;
+ }
+
+ 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 = "jz4740",
+ .stream_name = "jz4740",
+ .cpu_dai = &jz4740_i2s_dai,
+ .codec_dai = &jz4740_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_jz4740_codec,
+};
+
+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(QI_LB60_SND_GPIO, 0);
+ gpio_direction_output(QI_LB60_AMP_GPIO, 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");