diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.36/010-n516-sound.patch')
-rw-r--r-- | target/linux/xburst/patches-2.6.36/010-n516-sound.patch | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/target/linux/xburst/patches-2.6.36/010-n516-sound.patch b/target/linux/xburst/patches-2.6.36/010-n516-sound.patch deleted file mode 100644 index f7e79cea7f..0000000000 --- a/target/linux/xburst/patches-2.6.36/010-n516-sound.patch +++ /dev/null @@ -1,342 +0,0 @@ -From db1d0ca28d3c3d379be2203e2a5aff2685963e7a Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sun, 1 Aug 2010 21:34:54 +0200 -Subject: [PATCH] Add N516 sound SoC board driver - ---- - sound/soc/jz4740/Kconfig | 8 ++ - sound/soc/jz4740/Makefile | 2 + - sound/soc/jz4740/n516.c | 303 +++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 313 insertions(+), 0 deletions(-) - create mode 100644 sound/soc/jz4740/n516.c - ---- a/sound/soc/jz4740/Kconfig -+++ b/sound/soc/jz4740/Kconfig -@@ -21,3 +21,11 @@ config SND_JZ4740_SOC_QI_LB60 - help - Say Y if you want to add support for ASoC audio on the Qi LB60 board - a.k.a Qi Ben NanoNote. -+ -+config SND_JZ4740_SOC_N516 -+ tristate "SoC Audio support for Hanvon N516 eBook reader" -+ depends on SND_JZ4740_SOC && JZ4740_N516 -+ select SND_JZ4740_SOC_I2S -+ select SND_SOC_JZCODEC -+ help -+ Say Y if you want to enable support for SoC audio on the Hanvon N516. ---- a/sound/soc/jz4740/Makefile -+++ b/sound/soc/jz4740/Makefile -@@ -9,5 +9,7 @@ obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd- - - # Jz4740 Machine Support - snd-soc-qi-lb60-objs := qi_lb60.o -+snd-soc-n516-objs := n516.o - - obj-$(CONFIG_SND_JZ4740_SOC_QI_LB60) += snd-soc-qi-lb60.o -+obj-$(CONFIG_SND_JZ4740_SOC_N516) += snd-soc-n516.o ---- /dev/null -+++ b/sound/soc/jz4740/n516.c -@@ -0,0 +1,303 @@ -+/* -+ * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com> -+ * OpenInkpot project -+ * Copyright (C) 2010, 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/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 <sound/jack.h> -+#include <linux/gpio.h> -+#include <linux/workqueue.h> -+ -+#include "../codecs/jzcodec.h" -+#include "jz4740-pcm.h" -+#include "jz4740-i2s.h" -+ -+#include <asm/mach-jz4740/board-n516.h> -+ -+enum { -+ N516_SPEAKER_AUTO = 0, -+ N516_SPEAKER_OFF = 1, -+ N516_SPEAKER_ON = 2, -+}; -+ -+static int n516_speaker_mode; -+static struct snd_soc_codec *n516_codec; -+static struct work_struct n516_headphone_work; -+ -+static void n516_ext_control(void) -+{ -+ if (!n516_codec) -+ return; -+ -+ switch (n516_speaker_mode) { -+ case N516_SPEAKER_ON: -+ snd_soc_dapm_enable_pin(n516_codec, "Speaker"); -+ break; -+ case N516_SPEAKER_OFF: -+ snd_soc_dapm_disable_pin(n516_codec, "Speaker"); -+ break; -+ case N516_SPEAKER_AUTO: -+ if (snd_soc_dapm_get_pin_status(n516_codec, "Headphone")) -+ snd_soc_dapm_disable_pin(n516_codec, "Speaker"); -+ else -+ snd_soc_dapm_enable_pin(n516_codec, "Speaker"); -+ break; -+ default: -+ break; -+ } -+ -+ /* signal a DAPM event */ -+ snd_soc_dapm_sync(n516_codec); -+} -+ -+static int n516_speaker_event(struct snd_soc_dapm_widget *widget, -+ struct snd_kcontrol *ctrl, int event) -+{ -+ int on = !SND_SOC_DAPM_EVENT_OFF(event); -+ -+ gpio_set_value(GPIO_SPEAKER_ENABLE, on); -+ -+ return 0; -+} -+ -+static void n516_headphone_event_work(struct work_struct *work) -+{ -+ n516_ext_control(); -+} -+ -+static int n516_headphone_event(struct snd_soc_dapm_widget *widget, -+ struct snd_kcontrol *ctrl, int event) -+{ -+ /* We can't call soc_dapm_sync from a event handler */ -+ if (event & (SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD)) -+ schedule_work(&n516_headphone_work); -+ return 0; -+} -+ -+static const struct snd_soc_dapm_widget n516_widgets[] = { -+ SND_SOC_DAPM_SPK("Speaker", n516_speaker_event), -+ SND_SOC_DAPM_HP("Headphone", n516_headphone_event), -+ SND_SOC_DAPM_MIC("Mic", NULL), -+}; -+ -+static const struct snd_soc_dapm_route n516_routes[] = { -+ {"Mic", NULL, "MIC"}, -+ {"Speaker", NULL, "LOUT"}, -+ {"Speaker", NULL, "ROUT"}, -+ {"Headphone", NULL, "LOUT"}, -+ {"Headphone", NULL, "ROUT"}, -+}; -+ -+static const char *n516_speaker_modes[] = {"Auto", "Off", "On"}; -+static const struct soc_enum n516_speaker_mode_enum = -+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(n516_speaker_modes), n516_speaker_modes); -+ -+static int n516_get_speaker_mode(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ ucontrol->value.integer.value[0] = n516_speaker_mode; -+ return 0; -+} -+ -+static int n516_set_speaker_mode(struct snd_kcontrol *kcontrol, -+ struct snd_ctl_elem_value *ucontrol) -+{ -+ if (n516_speaker_mode == ucontrol->value.integer.value[0]) -+ return 0; -+ -+ n516_speaker_mode = ucontrol->value.integer.value[0]; -+ n516_ext_control(); -+ return 1; -+} -+ -+static const struct snd_kcontrol_new n516_controls[] = { -+ SOC_ENUM_EXT("Speaker Function", n516_speaker_mode_enum, -+ n516_get_speaker_mode, n516_set_speaker_mode), -+}; -+ -+#define N516_DAIFMT (SND_SOC_DAIFMT_I2S | \ -+ SND_SOC_DAIFMT_NB_NF | \ -+ SND_SOC_DAIFMT_CBM_CFM) -+ -+static int n516_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; -+ -+ n516_codec = codec; -+ -+ snd_soc_dapm_nc_pin(codec, "LIN"); -+ snd_soc_dapm_nc_pin(codec, "RIN"); -+ -+ ret = snd_soc_dai_set_fmt(codec_dai, N516_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, N516_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; -+ } -+ -+ ret = snd_soc_add_controls(codec, n516_controls, -+ ARRAY_SIZE(n516_controls)); -+ if (ret) { -+ dev_err(codec->dev, "Failed to add controls: %d\n", ret); -+ return ret; -+ } -+ -+ -+ ret = snd_soc_dapm_new_controls(codec, n516_widgets, -+ ARRAY_SIZE(n516_widgets)); -+ if (ret) { -+ dev_err(codec->dev, "Failed to add dapm controls: %d\n", ret); -+ return ret; -+ } -+ -+ ret = snd_soc_dapm_add_routes(codec, n516_routes, ARRAY_SIZE(n516_routes)); -+ if (ret) { -+ dev_err(codec->dev, "Failed to add dapm routes: %d\n", ret); -+ return ret; -+ } -+ -+ snd_soc_dapm_sync(codec); -+ -+ return 0; -+} -+ -+static struct snd_soc_dai_link n516_dai = { -+ .name = "jz-codec", -+ .stream_name = "JZCODEC", -+ .cpu_dai = &jz4740_i2s_dai, -+ .codec_dai = &jz_codec_dai, -+ .init = n516_codec_init, -+}; -+ -+static struct snd_soc_card n516_card = { -+ .name = "N516", -+ .dai_link = &n516_dai, -+ .num_links = 1, -+ .platform = &jz4740_soc_platform, -+}; -+ -+static struct snd_soc_device n516_snd_devdata = { -+ .card = &n516_card, -+ .codec_dev = &soc_codec_dev_jzcodec, -+}; -+ -+static struct platform_device *n516_snd_device; -+ -+static struct snd_soc_jack n516_hp_jack; -+ -+static struct snd_soc_jack_pin n516_hp_pin = { -+ .pin = "Headphone", -+ .mask = SND_JACK_HEADPHONE, -+}; -+ -+static struct snd_soc_jack_gpio n516_hp_gpio = { -+ .gpio = GPIO_HPHONE_DETECT, -+ .name = "Headphone detect", -+ .report = SND_JACK_HEADPHONE, -+ .debounce_time = 100, -+}; -+ -+static int __init n516_add_headphone_jack(void) -+{ -+ int ret; -+ -+ ret = snd_soc_jack_new(&n516_card, "Headphone jack", -+ SND_JACK_HEADPHONE, &n516_hp_jack); -+ if (ret) -+ return ret; -+ -+ ret = snd_soc_jack_add_pins(&n516_hp_jack, 1, &n516_hp_pin); -+ if (ret) -+ return ret; -+ -+ ret = snd_soc_jack_add_gpios(&n516_hp_jack, 1, &n516_hp_gpio); -+ -+ return ret; -+} -+ -+static int __init n516_init(void) -+{ -+ int ret; -+ -+ n516_snd_device = platform_device_alloc("soc-audio", -1); -+ -+ if (!n516_snd_device) -+ return -ENOMEM; -+ -+ ret = gpio_request(GPIO_SPEAKER_ENABLE, "Speaker enable"); -+ if (ret) { -+ pr_err("n516 snd: Failed to request SPEAKER_ENABLE GPIO(%d): %d\n", -+ GPIO_SPEAKER_ENABLE, ret); -+ goto err_device_put; -+ } -+ -+ gpio_direction_output(GPIO_SPEAKER_ENABLE, 0); -+ INIT_WORK(&n516_headphone_work, n516_headphone_event_work); -+ -+ platform_set_drvdata(n516_snd_device, &n516_snd_devdata); -+ n516_snd_devdata.dev = &n516_snd_device->dev; -+ ret = platform_device_add(n516_snd_device); -+ if (ret) { -+ pr_err("n516 snd: Failed to add snd soc device: %d\n", ret); -+ goto err_unset_pdata; -+ } -+ -+ ret = n516_add_headphone_jack(); -+ /* We can live without it, so just print a warning */ -+ if (ret) -+ pr_warning("n516 snd: Failed to initalise headphone jack: %d\n", ret); -+ -+ return 0; -+ -+err_unset_pdata: -+ platform_set_drvdata(n516_snd_device, NULL); -+/*err_gpio_free_speaker:*/ -+ gpio_free(GPIO_SPEAKER_ENABLE); -+err_device_put: -+ platform_device_put(n516_snd_device); -+ -+ return ret; -+} -+module_init(n516_init); -+ -+static void __exit n516_exit(void) -+{ -+ snd_soc_jack_free_gpios(&n516_hp_jack, 1, &n516_hp_gpio); -+ gpio_free(GPIO_SPEAKER_ENABLE); -+ platform_device_unregister(n516_snd_device); -+} -+module_exit(n516_exit); -+ -+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -+MODULE_DESCRIPTION("ALSA SoC N516 Audio support"); -+MODULE_LICENSE("GPL v2"); |