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author | John Crispin <blogic@openwrt.org> | 2015-02-11 10:17:55 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2015-02-11 10:17:55 +0000 |
commit | c291f76d24a4190551a42b7b77a2cfeb3f4d36f9 (patch) | |
tree | 8f9211217d7e2cbaa78d10b596d81e646b3b9aad /target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch | |
parent | 0e26998162921c65cbfe2814e500c81ca7b50dad (diff) | |
download | upstream-c291f76d24a4190551a42b7b77a2cfeb3f4d36f9.tar.gz upstream-c291f76d24a4190551a42b7b77a2cfeb3f4d36f9.tar.bz2 upstream-c291f76d24a4190551a42b7b77a2cfeb3f4d36f9.zip |
brcm2708: update to v3.18
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44392 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch')
-rwxr-xr-x | target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch b/target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch new file mode 100755 index 0000000000..263b067c30 --- /dev/null +++ b/target/linux/brcm2708/patches-3.18/0042-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch @@ -0,0 +1,215 @@ +From 19b5aa63015268ce3c736b720e1e7f8211f7cf98 Mon Sep 17 00:00:00 2001 +From: Gordon Garrity <gordon@iqaudio.com> +Date: Sat, 8 Mar 2014 16:56:57 +0000 +Subject: [PATCH 042/114] Add IQaudIO Sound Card support for Raspberry Pi + +--- + arch/arm/configs/bcmrpi_defconfig | 1 + + arch/arm/mach-bcm2708/bcm2708.c | 22 ++++++++ + sound/soc/bcm/Kconfig | 7 +++ + sound/soc/bcm/Makefile | 2 + + sound/soc/bcm/iqaudio-dac.c | 111 ++++++++++++++++++++++++++++++++++++++ + 5 files changed, 143 insertions(+) + create mode 100644 sound/soc/bcm/iqaudio-dac.c + +diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig +index c9d3fac..f15a4b9 100644 +--- a/arch/arm/configs/bcmrpi_defconfig ++++ b/arch/arm/configs/bcmrpi_defconfig +@@ -758,6 +758,7 @@ CONFIG_SND_BCM2708_SOC_I2S=m + CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC=m + CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI=m + CONFIG_SND_BCM2708_SOC_RPI_DAC=m ++CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m + CONFIG_SND_SIMPLE_CARD=m + CONFIG_SOUND_PRIME=m + CONFIG_HIDRAW=y +diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c +index a57cb85..633be19 100644 +--- a/arch/arm/mach-bcm2708/bcm2708.c ++++ b/arch/arm/mach-bcm2708/bcm2708.c +@@ -652,6 +652,22 @@ static struct platform_device snd_pcm1794a_codec_device = { + }; + #endif + ++ ++#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE) ++static struct platform_device snd_rpi_iqaudio_dac_device = { ++ .name = "snd-rpi-iqaudio-dac", ++ .id = 0, ++ .num_resources = 0, ++}; ++ ++// Use the actual device name rather than generic driver name ++static struct i2c_board_info __initdata snd_pcm512x_i2c_devices[] = { ++ { ++ I2C_BOARD_INFO("pcm5122", 0x4c) ++ }, ++}; ++#endif ++ + int __init bcm_register_device(struct platform_device *pdev) + { + int ret; +@@ -791,6 +807,12 @@ void __init bcm2708_init(void) + bcm_register_device(&snd_pcm1794a_codec_device); + #endif + ++#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE) ++ bcm_register_device(&snd_rpi_iqaudio_dac_device); ++ i2c_register_board_info(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices)); ++#endif ++ ++ + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); +diff --git a/sound/soc/bcm/Kconfig b/sound/soc/bcm/Kconfig +index e563dbc..c621a5e 100644 +--- a/sound/soc/bcm/Kconfig ++++ b/sound/soc/bcm/Kconfig +@@ -39,3 +39,10 @@ config SND_BCM2708_SOC_RPI_DAC + select SND_SOC_PCM1794A + help + Say Y or M if you want to add support for RPi-DAC. ++ ++config SND_BCM2708_SOC_IQAUDIO_DAC ++ tristate "Support for IQaudIO-DAC" ++ depends on SND_BCM2708_SOC_I2S ++ select SND_SOC_PCM512x_I2C ++ help ++ Say Y or M if you want to add support for IQaudIO-DAC. +diff --git a/sound/soc/bcm/Makefile b/sound/soc/bcm/Makefile +index 826df7d..d597fb0 100644 +--- a/sound/soc/bcm/Makefile ++++ b/sound/soc/bcm/Makefile +@@ -12,7 +12,9 @@ obj-$(CONFIG_SND_BCM2708_SOC_I2S) += snd-soc-bcm2708-i2s.o + snd-soc-hifiberry-dac-objs := hifiberry_dac.o + snd-soc-hifiberry-digi-objs := hifiberry_digi.o + snd-soc-rpi-dac-objs := rpi-dac.o ++snd-soc-iqaudio-dac-objs := iqaudio-dac.o + + obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o + obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) += snd-soc-hifiberry-digi.o + obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o ++obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o +diff --git a/sound/soc/bcm/iqaudio-dac.c b/sound/soc/bcm/iqaudio-dac.c +new file mode 100644 +index 0000000..8d0e2ae +--- /dev/null ++++ b/sound/soc/bcm/iqaudio-dac.c +@@ -0,0 +1,111 @@ ++/* ++ * ASoC Driver for IQaudIO DAC ++ * ++ * Author: Florian Meier <florian.meier@koalo.de> ++ * Copyright 2013 ++ * ++ * 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. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ */ ++ ++#include <linux/module.h> ++#include <linux/platform_device.h> ++ ++#include <sound/core.h> ++#include <sound/pcm.h> ++#include <sound/pcm_params.h> ++#include <sound/soc.h> ++#include <sound/jack.h> ++ ++static int snd_rpi_iqaudio_dac_init(struct snd_soc_pcm_runtime *rtd) ++{ ++// NOT USED struct snd_soc_codec *codec = rtd->codec; ++ ++ return 0; ++} ++ ++static int snd_rpi_iqaudio_dac_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++// NOT USED struct snd_soc_dai *codec_dai = rtd->codec_dai; ++// NOT USED struct snd_soc_codec *codec = rtd->codec; ++ struct snd_soc_dai *cpu_dai = rtd->cpu_dai; ++ ++ unsigned int sample_bits = ++ snd_pcm_format_physical_width(params_format(params)); ++ ++ return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2); ++} ++ ++/* machine stream operations */ ++static struct snd_soc_ops snd_rpi_iqaudio_dac_ops = { ++ .hw_params = snd_rpi_iqaudio_dac_hw_params, ++}; ++ ++static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = { ++{ ++ .name = "IQaudIO DAC", ++ .stream_name = "IQaudIO DAC HiFi", ++ .cpu_dai_name = "bcm2708-i2s.0", ++ .codec_dai_name = "pcm512x-hifi", ++ .platform_name = "bcm2708-i2s.0", ++ .codec_name = "pcm512x.1-004c", ++ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | ++ SND_SOC_DAIFMT_CBS_CFS, ++ .ops = &snd_rpi_iqaudio_dac_ops, ++ .init = snd_rpi_iqaudio_dac_init, ++}, ++}; ++ ++/* audio machine driver */ ++static struct snd_soc_card snd_rpi_iqaudio_dac = { ++ .name = "IQaudIODAC", ++ .dai_link = snd_rpi_iqaudio_dac_dai, ++ .num_links = ARRAY_SIZE(snd_rpi_iqaudio_dac_dai), ++}; ++ ++static int snd_rpi_iqaudio_dac_probe(struct platform_device *pdev) ++{ ++ int ret = 0; ++ ++ snd_rpi_iqaudio_dac.dev = &pdev->dev; ++ ret = snd_soc_register_card(&snd_rpi_iqaudio_dac); ++ if (ret) ++ dev_err(&pdev->dev, ++ "snd_soc_register_card() failed: %d\n", ret); ++ ++ return ret; ++} ++ ++static int snd_rpi_iqaudio_dac_remove(struct platform_device *pdev) ++{ ++ return snd_soc_unregister_card(&snd_rpi_iqaudio_dac); ++} ++ ++static const struct of_device_id iqaudio_of_match[] = { ++ { .compatible = "iqaudio,iqaudio-dac", }, ++ {}, ++}; ++ ++static struct platform_driver snd_rpi_iqaudio_dac_driver = { ++ .driver = { ++ .name = "snd-rpi-iqaudio-dac", ++ .owner = THIS_MODULE, ++ .of_match_table = iqaudio_of_match, ++ }, ++ .probe = snd_rpi_iqaudio_dac_probe, ++ .remove = snd_rpi_iqaudio_dac_remove, ++}; ++ ++module_platform_driver(snd_rpi_iqaudio_dac_driver); ++ ++MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>"); ++MODULE_DESCRIPTION("ASoC Driver for IQAudio DAC"); ++MODULE_LICENSE("GPL v2"); +-- +1.8.3.2 + |