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, 342 insertions, 0 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 new file mode 100644 index 0000000000..f7e79cea7f --- /dev/null +++ b/target/linux/xburst/patches-2.6.36/010-n516-sound.patch @@ -0,0 +1,342 @@ +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"); |