diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0047-Added-support-for-HiFiBerry-DAC.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0047-Added-support-for-HiFiBerry-DAC.patch | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0047-Added-support-for-HiFiBerry-DAC.patch b/target/linux/brcm2708/patches-4.1/0047-Added-support-for-HiFiBerry-DAC.patch deleted file mode 100644 index 28e8e7b03b..0000000000 --- a/target/linux/brcm2708/patches-4.1/0047-Added-support-for-HiFiBerry-DAC.patch +++ /dev/null @@ -1,204 +0,0 @@ -From 22cf4c690c9d567e5b8609730f53375bb94bdf5a Mon Sep 17 00:00:00 2001 -From: Daniel Matuschek <info@crazy-audio.com> -Date: Mon, 4 Aug 2014 10:06:56 +0200 -Subject: [PATCH 047/222] Added support for HiFiBerry DAC+ - -The driver is based on the HiFiBerry DAC driver. However HiFiBerry DAC+ uses -a different codec chip (PCM5122), therefore a new driver is necessary. ---- - arch/arm/mach-bcm2708/bcm2708.c | 19 ++++++ - sound/soc/bcm/Kconfig | 7 +++ - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/hifiberry_dacplus.c | 119 ++++++++++++++++++++++++++++++++++++++ - 4 files changed, 147 insertions(+) - create mode 100644 sound/soc/bcm/hifiberry_dacplus.c - ---- a/arch/arm/mach-bcm2708/bcm2708.c -+++ b/arch/arm/mach-bcm2708/bcm2708.c -@@ -652,6 +652,20 @@ static struct platform_device snd_pcm510 - }; - #endif - -+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE) -+static struct platform_device snd_rpi_hifiberry_dacplus_device = { -+ .name = "snd-rpi-hifiberry-dacplus", -+ .id = 0, -+ .num_resources = 0, -+}; -+ -+static struct i2c_board_info __initdata snd_pcm512x_hbdacplus_i2c_devices[] = { -+ { -+ I2C_BOARD_INFO("pcm5122", 0x4d) -+ }, -+}; -+#endif -+ - #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE) - static struct platform_device snd_hifiberry_digi_device = { - .name = "snd-hifiberry-digi", -@@ -870,6 +884,11 @@ void __init bcm2708_init(void) - bcm_register_device_dt(&snd_pcm5102a_codec_device); - #endif - -+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE) -+ bcm_register_device_dt(&snd_rpi_hifiberry_dacplus_device); -+ i2c_register_board_info_dt(1, snd_pcm512x_hbdacplus_i2c_devices, ARRAY_SIZE(snd_pcm512x_hbdacplus_i2c_devices)); -+#endif -+ - #if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE) - bcm_register_device_dt(&snd_hifiberry_digi_device); - i2c_register_board_info_dt(1, snd_wm8804_i2c_devices, ARRAY_SIZE(snd_wm8804_i2c_devices)); ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -26,6 +26,13 @@ config SND_BCM2708_SOC_HIFIBERRY_DAC - help - Say Y or M if you want to add support for HifiBerry DAC. - -+config SND_BCM2708_SOC_HIFIBERRY_DACPLUS -+ tristate "Support for HifiBerry DAC+" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_PCM512x -+ help -+ Say Y or M if you want to add support for HifiBerry DAC+. -+ - config SND_BCM2708_SOC_HIFIBERRY_DIGI - tristate "Support for HifiBerry Digi" - depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -10,11 +10,13 @@ obj-$(CONFIG_SND_BCM2708_SOC_I2S) += snd - - # BCM2708 Machine Support - snd-soc-hifiberry-dac-objs := hifiberry_dac.o -+snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o - snd-soc-hifiberry-digi-objs := hifiberry_digi.o - snd-soc-rpi-dac-objs := rpi-dac.o - snd-soc-iqaudio-dac-objs := iqaudio-dac.o - - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o -+obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o - obj-$(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 ---- /dev/null -+++ b/sound/soc/bcm/hifiberry_dacplus.c -@@ -0,0 +1,119 @@ -+/* -+ * ASoC Driver for HiFiBerry DAC+ -+ * -+ * Author: Daniel Matuschek -+ * Copyright 2014 -+ * based on code by Florian Meier <florian.meier@koalo.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. -+ * -+ * 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> -+ -+#include "../codecs/pcm512x.h" -+ -+static int snd_rpi_hifiberry_dacplus_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ struct snd_soc_codec *codec = rtd->codec; -+ snd_soc_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08); -+ snd_soc_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0xf, 0x02); -+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x08); -+ return 0; -+} -+ -+static int snd_rpi_hifiberry_dacplus_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai; -+ return snd_soc_dai_set_bclk_ratio(cpu_dai, 64); -+} -+ -+static int snd_rpi_hifiberry_dacplus_startup(struct snd_pcm_substream *substream) { -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_codec *codec = rtd->codec; -+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x08); -+ return 0; -+} -+ -+static void snd_rpi_hifiberry_dacplus_shutdown(struct snd_pcm_substream *substream) { -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_codec *codec = rtd->codec; -+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x00); -+} -+ -+/* machine stream operations */ -+static struct snd_soc_ops snd_rpi_hifiberry_dacplus_ops = { -+ .hw_params = snd_rpi_hifiberry_dacplus_hw_params, -+ .startup = snd_rpi_hifiberry_dacplus_startup, -+ .shutdown = snd_rpi_hifiberry_dacplus_shutdown, -+}; -+ -+static struct snd_soc_dai_link snd_rpi_hifiberry_dacplus_dai[] = { -+{ -+ .name = "HiFiBerry DAC+", -+ .stream_name = "HiFiBerry DAC+ HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .codec_dai_name = "pcm512x-hifi", -+ .platform_name = "bcm2708-i2s.0", -+ .codec_name = "pcm512x.1-004d", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBS_CFS, -+ .ops = &snd_rpi_hifiberry_dacplus_ops, -+ .init = snd_rpi_hifiberry_dacplus_init, -+}, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_rpi_hifiberry_dacplus = { -+ .name = "snd_rpi_hifiberry_dacplus", -+ .dai_link = snd_rpi_hifiberry_dacplus_dai, -+ .num_links = ARRAY_SIZE(snd_rpi_hifiberry_dacplus_dai), -+}; -+ -+static int snd_rpi_hifiberry_dacplus_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ -+ snd_rpi_hifiberry_dacplus.dev = &pdev->dev; -+ ret = snd_soc_register_card(&snd_rpi_hifiberry_dacplus); -+ if (ret) -+ dev_err(&pdev->dev, -+ "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static int snd_rpi_hifiberry_dacplus_remove(struct platform_device *pdev) -+{ -+ return snd_soc_unregister_card(&snd_rpi_hifiberry_dacplus); -+} -+ -+static struct platform_driver snd_rpi_hifiberry_dacplus_driver = { -+ .driver = { -+ .name = "snd-rpi-hifiberry-dacplus", -+ .owner = THIS_MODULE, -+ }, -+ .probe = snd_rpi_hifiberry_dacplus_probe, -+ .remove = snd_rpi_hifiberry_dacplus_remove, -+}; -+ -+module_platform_driver(snd_rpi_hifiberry_dacplus_driver); -+ -+MODULE_AUTHOR("Daniel Matuschek <daniel@hifiberry.com>"); -+MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+"); -+MODULE_LICENSE("GPL v2"); |