From 00813d4dd976cc823fa089840ff2f4a10dd6cd0c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Fri, 2 Aug 2019 18:55:55 +0200 Subject: brcm2708: remove linux 4.14 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- ...d-support-for-HiFiBerry-Digi.-Driver-is-b.patch | 339 --------------------- 1 file changed, 339 deletions(-) delete mode 100644 target/linux/brcm2708/patches-4.14/950-0067-ASoC-BCM-Add-support-for-HiFiBerry-Digi.-Driver-is-b.patch (limited to 'target/linux/brcm2708/patches-4.14/950-0067-ASoC-BCM-Add-support-for-HiFiBerry-Digi.-Driver-is-b.patch') diff --git a/target/linux/brcm2708/patches-4.14/950-0067-ASoC-BCM-Add-support-for-HiFiBerry-Digi.-Driver-is-b.patch b/target/linux/brcm2708/patches-4.14/950-0067-ASoC-BCM-Add-support-for-HiFiBerry-Digi.-Driver-is-b.patch deleted file mode 100644 index f77ab539f2..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0067-ASoC-BCM-Add-support-for-HiFiBerry-Digi.-Driver-is-b.patch +++ /dev/null @@ -1,339 +0,0 @@ -From fbea312ab9d1b0edd50eb6947bc4905a9d25617a Mon Sep 17 00:00:00 2001 -From: Daniel Matuschek -Date: Wed, 15 Jan 2014 21:42:08 +0100 -Subject: [PATCH 067/454] ASoC: BCM:Add support for HiFiBerry Digi. Driver is - based on the patched WM8804 driver. - -Signed-off-by: Daniel Matuschek - -Add a parameter to turn off SPDIF output if no audio is playing - -This patch adds the paramater auto_shutdown_output to the kernel module. -Default behaviour of the module is the same, but when auto_shutdown_output -is set to 1, the SPDIF oputput will shutdown if no stream is playing. - -bugfix for 32kHz sample rate, was missing - -HiFiBerry Digi: set SPDIF status bits for sample rate - -The HiFiBerry Digi driver did not signal the sample rate in the SPDIF status bits. -While this is optional, some DACs and receivers do not accept this signal. This patch -adds the sample rate bits in the SPDIF status block. - -Added HiFiBerry Digi+ Pro driver - -Signed-off-by: Daniel Matuschek ---- - sound/soc/bcm/Kconfig | 7 + - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/hifiberry_digi.c | 276 +++++++++++++++++++++++++++++++++ - 3 files changed, 285 insertions(+) - create mode 100644 sound/soc/bcm/hifiberry_digi.c - ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -25,6 +25,13 @@ 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_DIGI -+ tristate "Support for HifiBerry Digi" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_WM8804 -+ help -+ Say Y or M if you want to add support for HifiBerry Digi S/PDIF output board. -+ - config SND_BCM2708_SOC_RPI_DAC - tristate "Support for RPi-DAC" - depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -10,7 +10,9 @@ obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc- - - # BCM2708 Machine Support - snd-soc-hifiberry-dac-objs := hifiberry_dac.o -+snd-soc-hifiberry-digi-objs := hifiberry_digi.o - snd-soc-rpi-dac-objs := rpi-dac.o - - obj-$(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 ---- /dev/null -+++ b/sound/soc/bcm/hifiberry_digi.c -@@ -0,0 +1,276 @@ -+/* -+ * ASoC Driver for HifiBerry Digi -+ * -+ * Author: Daniel Matuschek -+ * based on the HifiBerry DAC driver by Florian Meier -+ * 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 -+#include -+ -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include "../codecs/wm8804.h" -+ -+static short int auto_shutdown_output = 0; -+module_param(auto_shutdown_output, short, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); -+MODULE_PARM_DESC(auto_shutdown_output, "Shutdown SP/DIF output if playback is stopped"); -+ -+#define CLK_44EN_RATE 22579200UL -+#define CLK_48EN_RATE 24576000UL -+ -+static bool snd_rpi_hifiberry_is_digipro; -+static struct gpio_desc *snd_rpi_hifiberry_clk44gpio; -+static struct gpio_desc *snd_rpi_hifiberry_clk48gpio; -+ -+static int samplerate=44100; -+ -+static uint32_t snd_rpi_hifiberry_digi_enable_clock(int sample_rate) -+{ -+ switch (sample_rate) { -+ case 11025: -+ case 22050: -+ case 44100: -+ case 88200: -+ case 176400: -+ gpiod_set_value_cansleep(snd_rpi_hifiberry_clk44gpio, 1); -+ gpiod_set_value_cansleep(snd_rpi_hifiberry_clk48gpio, 0); -+ return CLK_44EN_RATE; -+ default: -+ gpiod_set_value_cansleep(snd_rpi_hifiberry_clk48gpio, 1); -+ gpiod_set_value_cansleep(snd_rpi_hifiberry_clk44gpio, 0); -+ return CLK_48EN_RATE; -+ } -+} -+ -+ -+static int snd_rpi_hifiberry_digi_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ struct snd_soc_codec *codec = rtd->codec; -+ -+ /* enable TX output */ -+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x0); -+ -+ /* Initialize Digi+ Pro hardware */ -+ if (snd_rpi_hifiberry_is_digipro) { -+ struct snd_soc_dai_link *dai = rtd->dai_link; -+ -+ dai->name = "HiFiBerry Digi+ Pro"; -+ dai->stream_name = "HiFiBerry Digi+ Pro HiFi"; -+ } -+ -+ return 0; -+} -+ -+static int snd_rpi_hifiberry_digi_startup(struct snd_pcm_substream *substream) { -+ /* turn on digital output */ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_codec *codec = rtd->codec; -+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x3c, 0x00); -+ return 0; -+} -+ -+static void snd_rpi_hifiberry_digi_shutdown(struct snd_pcm_substream *substream) { -+ /* turn off output */ -+ if (auto_shutdown_output) { -+ /* turn off output */ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_codec *codec = rtd->codec; -+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x3c, 0x3c); -+ } -+} -+ -+ -+static int snd_rpi_hifiberry_digi_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 *codec_dai = rtd->codec_dai; -+ struct snd_soc_codec *codec = rtd->codec; -+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai; -+ -+ int sysclk = 27000000; /* This is fixed on this board */ -+ -+ long mclk_freq=0; -+ int mclk_div=1; -+ int sampling_freq=1; -+ -+ int ret; -+ -+ samplerate = params_rate(params); -+ -+ if (samplerate<=96000) { -+ mclk_freq=samplerate*256; -+ mclk_div=WM8804_MCLKDIV_256FS; -+ } else { -+ mclk_freq=samplerate*128; -+ mclk_div=WM8804_MCLKDIV_128FS; -+ } -+ -+ if (snd_rpi_hifiberry_is_digipro) -+ sysclk = snd_rpi_hifiberry_digi_enable_clock(samplerate); -+ -+ switch (samplerate) { -+ case 32000: -+ sampling_freq=0x03; -+ break; -+ case 44100: -+ sampling_freq=0x00; -+ break; -+ case 48000: -+ sampling_freq=0x02; -+ break; -+ case 88200: -+ sampling_freq=0x08; -+ break; -+ case 96000: -+ sampling_freq=0x0a; -+ break; -+ case 176400: -+ sampling_freq=0x0c; -+ break; -+ case 192000: -+ sampling_freq=0x0e; -+ break; -+ default: -+ dev_err(codec->dev, -+ "Failed to set WM8804 SYSCLK, unsupported samplerate %d\n", -+ samplerate); -+ } -+ -+ snd_soc_dai_set_clkdiv(codec_dai, WM8804_MCLK_DIV, mclk_div); -+ snd_soc_dai_set_pll(codec_dai, 0, 0, sysclk, mclk_freq); -+ -+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8804_TX_CLKSRC_PLL, -+ sysclk, SND_SOC_CLOCK_OUT); -+ -+ if (ret < 0) { -+ dev_err(codec->dev, -+ "Failed to set WM8804 SYSCLK: %d\n", ret); -+ return ret; -+ } -+ -+ /* Enable TX output */ -+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x0); -+ -+ /* Power on */ -+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0); -+ -+ /* set sampling frequency status bits */ -+ snd_soc_update_bits(codec, WM8804_SPDTX4, 0x0f, sampling_freq); -+ -+ return snd_soc_dai_set_bclk_ratio(cpu_dai,64); -+} -+ -+/* machine stream operations */ -+static struct snd_soc_ops snd_rpi_hifiberry_digi_ops = { -+ .hw_params = snd_rpi_hifiberry_digi_hw_params, -+ .startup = snd_rpi_hifiberry_digi_startup, -+ .shutdown = snd_rpi_hifiberry_digi_shutdown, -+}; -+ -+static struct snd_soc_dai_link snd_rpi_hifiberry_digi_dai[] = { -+{ -+ .name = "HifiBerry Digi", -+ .stream_name = "HifiBerry Digi HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .codec_dai_name = "wm8804-spdif", -+ .platform_name = "bcm2708-i2s.0", -+ .codec_name = "wm8804.1-003b", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBM_CFM, -+ .ops = &snd_rpi_hifiberry_digi_ops, -+ .init = snd_rpi_hifiberry_digi_init, -+}, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_rpi_hifiberry_digi = { -+ .name = "snd_rpi_hifiberry_digi", -+ .driver_name = "HifiberryDigi", -+ .owner = THIS_MODULE, -+ .dai_link = snd_rpi_hifiberry_digi_dai, -+ .num_links = ARRAY_SIZE(snd_rpi_hifiberry_digi_dai), -+}; -+ -+static int snd_rpi_hifiberry_digi_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ -+ snd_rpi_hifiberry_digi.dev = &pdev->dev; -+ -+ if (pdev->dev.of_node) { -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_digi_dai[0]; -+ i2s_node = of_parse_phandle(pdev->dev.of_node, -+ "i2s-controller", 0); -+ -+ if (i2s_node) { -+ dai->cpu_dai_name = NULL; -+ dai->cpu_of_node = i2s_node; -+ dai->platform_name = NULL; -+ dai->platform_of_node = i2s_node; -+ } -+ -+ snd_rpi_hifiberry_is_digipro = 1; -+ -+ snd_rpi_hifiberry_clk44gpio = -+ devm_gpiod_get(&pdev->dev, "clock44", GPIOD_OUT_LOW); -+ if (IS_ERR(snd_rpi_hifiberry_clk44gpio)) -+ snd_rpi_hifiberry_is_digipro = 0; -+ -+ snd_rpi_hifiberry_clk48gpio = -+ devm_gpiod_get(&pdev->dev, "clock48", GPIOD_OUT_LOW); -+ if (IS_ERR(snd_rpi_hifiberry_clk48gpio)) -+ snd_rpi_hifiberry_is_digipro = 0; -+ -+ } -+ -+ ret = snd_soc_register_card(&snd_rpi_hifiberry_digi); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static int snd_rpi_hifiberry_digi_remove(struct platform_device *pdev) -+{ -+ return snd_soc_unregister_card(&snd_rpi_hifiberry_digi); -+} -+ -+static const struct of_device_id snd_rpi_hifiberry_digi_of_match[] = { -+ { .compatible = "hifiberry,hifiberry-digi", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_digi_of_match); -+ -+static struct platform_driver snd_rpi_hifiberry_digi_driver = { -+ .driver = { -+ .name = "snd-hifiberry-digi", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_rpi_hifiberry_digi_of_match, -+ }, -+ .probe = snd_rpi_hifiberry_digi_probe, -+ .remove = snd_rpi_hifiberry_digi_remove, -+}; -+ -+module_platform_driver(snd_rpi_hifiberry_digi_driver); -+ -+MODULE_AUTHOR("Daniel Matuschek "); -+MODULE_DESCRIPTION("ASoC Driver for HifiBerry Digi"); -+MODULE_LICENSE("GPL v2"); -- cgit v1.2.3