From eb3a99bc183e36922b9e8314620e4e64964bcaf0 Mon Sep 17 00:00:00 2001 From: Adrian Schmutzler Date: Tue, 5 Oct 2021 20:51:18 +0200 Subject: bcm27xx: remove obsolete kernel 5.4 With the upgrade to kernel 5.10 per default the old version is no longer required to be in tree. Signed-off-by: Adrian Schmutzler --- ...SoC-Create-a-generic-Pi-Hat-WM8804-driver.patch | 470 --------------------- 1 file changed, 470 deletions(-) delete mode 100644 target/linux/bcm27xx/patches-5.4/950-0080-ASoC-Create-a-generic-Pi-Hat-WM8804-driver.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0080-ASoC-Create-a-generic-Pi-Hat-WM8804-driver.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0080-ASoC-Create-a-generic-Pi-Hat-WM8804-driver.patch b/target/linux/bcm27xx/patches-5.4/950-0080-ASoC-Create-a-generic-Pi-Hat-WM8804-driver.patch deleted file mode 100644 index 8da7a25eab..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0080-ASoC-Create-a-generic-Pi-Hat-WM8804-driver.patch +++ /dev/null @@ -1,470 +0,0 @@ -From e211a67304ac3104fb9ee1a2524f3ffbed5c2284 Mon Sep 17 00:00:00 2001 -From: Tim Gover -Date: Sat, 21 Jul 2018 20:07:46 +0100 -Subject: [PATCH] ASoC: Create a generic Pi Hat WM8804 driver - -Reduce the amount of duplicated code by creating a generic driver for -Pi Hat digi cards using the WM8804 codec. - -This replaces the -Allo DigiOne, Hifiberry Digi/Pro, JustBoom Digi and IQAudIO Digi -dedicate soundcard drivers with a generic driver. - -There are no significant changes to the runtime behavior of the drivers -and end users should not have to change any configuration settings -after upgrading. - -Minor changes -* Check the return value of snd_soc_component_update_bits -* Added some pr_debug tracing -* Various checkpatch tidyups -* Updated allodigi-one to use use 128FS at > 96 Khz. This appears to - be an omission in the original driver code so followed the Hifiberry - DAC driver approach. - -ASoC: rpi-wm8804-soundcard: use modern dai_link style - -Signed-off-by: Matthias Reichl - -rpi-wm8804-soundcard: drop PWRDN register writes - -Since kernel 4.0 the PWRDN register bits are under DAPM -control from the wm8804 driver. - -Drop code that modifies that register to avoid interfering -with DAPM. - -Signed-off-by: Matthias Reichl - -rpi-wm8804-soundcard: configure wm8804 clocks only on rate change - -This should avoid clicks when stopping and immediately afterwards -starting a stream with the same samplerate as before. - -Signed-off-by: Matthias Reichl - -rpi-wm8804-soundcard: Fixed MCLKDIV for Allo Digione - -The Allo Digione board wants a fixed MCLKDIV of 256. - -See: https://github.com/raspberrypi/linux/issues/3296 - -Signed-off-by: Phil Elwell ---- - sound/soc/bcm/rpi-wm8804-soundcard.c | 410 +++++++++++++++++++++++++++ - 1 file changed, 410 insertions(+) - create mode 100644 sound/soc/bcm/rpi-wm8804-soundcard.c - ---- /dev/null -+++ b/sound/soc/bcm/rpi-wm8804-soundcard.c -@@ -0,0 +1,410 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/* -+ * rpi--wm8804.c -- ALSA SoC Raspberry Pi soundcard. -+ * -+ * Copyright (C) 2018 Raspberry Pi. -+ * -+ * Authors: Tim Gover -+ * -+ * Generic driver for Pi Hat WM8804 digi sounds cards -+ * -+ * Based upon code from: -+ * justboom-digi.c -+ * by Milan Neskovic -+ * -+ * iqaudio_digi.c -+ * by Daniel Matuschek -+ * -+ * allo-digione.c -+ * by Baswaraj -+ * -+ * hifiberry-digi.c -+ * Daniel Matuschek -+ * -+ * 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 "../codecs/wm8804.h" -+ -+struct wm8804_clk_cfg { -+ unsigned int sysclk_freq; -+ unsigned int mclk_freq; -+ unsigned int mclk_div; -+}; -+ -+/* Parameters for generic functions */ -+struct snd_rpi_wm8804_drvdata { -+ /* Required - pointer to the DAI structure */ -+ struct snd_soc_dai_link *dai; -+ /* Required - snd_soc_card name */ -+ const char *card_name; -+ /* Optional DT node names if card info is defined in DT */ -+ const char *card_name_dt; -+ const char *dai_name_dt; -+ const char *dai_stream_name_dt; -+ /* Optional probe extension - called prior to register_card */ -+ int (*probe)(struct platform_device *pdev); -+}; -+ -+static struct gpio_desc *snd_clk44gpio; -+static struct gpio_desc *snd_clk48gpio; -+static int wm8804_samplerate = 0; -+ -+/* Forward declarations */ -+static struct snd_soc_dai_link snd_allo_digione_dai[]; -+static struct snd_soc_card snd_rpi_wm8804; -+ -+ -+#define CLK_44EN_RATE 22579200UL -+#define CLK_48EN_RATE 24576000UL -+ -+static unsigned int snd_rpi_wm8804_enable_clock(unsigned int samplerate) -+{ -+ switch (samplerate) { -+ case 11025: -+ case 22050: -+ case 44100: -+ case 88200: -+ case 176400: -+ gpiod_set_value_cansleep(snd_clk44gpio, 1); -+ gpiod_set_value_cansleep(snd_clk48gpio, 0); -+ return CLK_44EN_RATE; -+ default: -+ gpiod_set_value_cansleep(snd_clk48gpio, 1); -+ gpiod_set_value_cansleep(snd_clk44gpio, 0); -+ return CLK_48EN_RATE; -+ } -+} -+ -+static void snd_rpi_wm8804_clk_cfg(unsigned int samplerate, -+ struct wm8804_clk_cfg *clk_cfg) -+{ -+ clk_cfg->sysclk_freq = 27000000; -+ -+ if (samplerate <= 96000 || -+ snd_rpi_wm8804.dai_link == snd_allo_digione_dai) { -+ clk_cfg->mclk_freq = samplerate * 256; -+ clk_cfg->mclk_div = WM8804_MCLKDIV_256FS; -+ } else { -+ clk_cfg->mclk_freq = samplerate * 128; -+ clk_cfg->mclk_div = WM8804_MCLKDIV_128FS; -+ } -+ -+ if (!(IS_ERR(snd_clk44gpio) || IS_ERR(snd_clk48gpio))) -+ clk_cfg->sysclk_freq = snd_rpi_wm8804_enable_clock(samplerate); -+} -+ -+static int snd_rpi_wm8804_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_component *component = rtd->codec_dai->component; -+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai; -+ int sampling_freq = 1; -+ int ret; -+ struct wm8804_clk_cfg clk_cfg; -+ int samplerate = params_rate(params); -+ -+ if (samplerate == wm8804_samplerate) -+ return 0; -+ -+ /* clear until all clocks are setup properly */ -+ wm8804_samplerate = 0; -+ -+ snd_rpi_wm8804_clk_cfg(samplerate, &clk_cfg); -+ -+ pr_debug("%s samplerate: %d mclk_freq: %u mclk_div: %u sysclk: %u\n", -+ __func__, samplerate, clk_cfg.mclk_freq, -+ clk_cfg.mclk_div, clk_cfg.sysclk_freq); -+ -+ 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(rtd->card->dev, -+ "Failed to set WM8804 SYSCLK, unsupported samplerate %d\n", -+ samplerate); -+ } -+ -+ snd_soc_dai_set_clkdiv(codec_dai, WM8804_MCLK_DIV, clk_cfg.mclk_div); -+ snd_soc_dai_set_pll(codec_dai, 0, 0, -+ clk_cfg.sysclk_freq, clk_cfg.mclk_freq); -+ -+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8804_TX_CLKSRC_PLL, -+ clk_cfg.sysclk_freq, SND_SOC_CLOCK_OUT); -+ if (ret < 0) { -+ dev_err(rtd->card->dev, -+ "Failed to set WM8804 SYSCLK: %d\n", ret); -+ return ret; -+ } -+ -+ wm8804_samplerate = samplerate; -+ -+ /* set sampling frequency status bits */ -+ snd_soc_component_update_bits(component, WM8804_SPDTX4, 0x0f, -+ sampling_freq); -+ -+ return snd_soc_dai_set_bclk_ratio(cpu_dai, 64); -+} -+ -+static struct snd_soc_ops snd_rpi_wm8804_ops = { -+ .hw_params = snd_rpi_wm8804_hw_params, -+}; -+ -+SND_SOC_DAILINK_DEFS(justboom_digi, -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY())); -+ -+static struct snd_soc_dai_link snd_justboom_digi_dai[] = { -+{ -+ .name = "JustBoom Digi", -+ .stream_name = "JustBoom Digi HiFi", -+ SND_SOC_DAILINK_REG(justboom_digi), -+}, -+}; -+ -+static struct snd_rpi_wm8804_drvdata drvdata_justboom_digi = { -+ .card_name = "snd_rpi_justboom_digi", -+ .dai = snd_justboom_digi_dai, -+}; -+ -+SND_SOC_DAILINK_DEFS(iqaudio_digi, -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY())); -+ -+static struct snd_soc_dai_link snd_iqaudio_digi_dai[] = { -+{ -+ .name = "IQAudIO Digi", -+ .stream_name = "IQAudIO Digi HiFi", -+ SND_SOC_DAILINK_REG(iqaudio_digi), -+}, -+}; -+ -+static struct snd_rpi_wm8804_drvdata drvdata_iqaudio_digi = { -+ .card_name = "IQAudIODigi", -+ .dai = snd_iqaudio_digi_dai, -+ .card_name_dt = "wm8804-digi,card-name", -+ .dai_name_dt = "wm8804-digi,dai-name", -+ .dai_stream_name_dt = "wm8804-digi,dai-stream-name", -+}; -+ -+static int snd_allo_digione_probe(struct platform_device *pdev) -+{ -+ pr_debug("%s\n", __func__); -+ -+ if (IS_ERR(snd_clk44gpio) || IS_ERR(snd_clk48gpio)) { -+ dev_err(&pdev->dev, "devm_gpiod_get() failed\n"); -+ return -EINVAL; -+ } -+ return 0; -+} -+ -+SND_SOC_DAILINK_DEFS(allo_digione, -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY())); -+ -+static struct snd_soc_dai_link snd_allo_digione_dai[] = { -+{ -+ .name = "Allo DigiOne", -+ .stream_name = "Allo DigiOne HiFi", -+ SND_SOC_DAILINK_REG(allo_digione), -+}, -+}; -+ -+static struct snd_rpi_wm8804_drvdata drvdata_allo_digione = { -+ .card_name = "snd_allo_digione", -+ .dai = snd_allo_digione_dai, -+ .probe = snd_allo_digione_probe, -+}; -+ -+SND_SOC_DAILINK_DEFS(hifiberry_digi, -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY()), -+ DAILINK_COMP_ARRAY(COMP_EMPTY())); -+ -+static struct snd_soc_dai_link snd_hifiberry_digi_dai[] = { -+{ -+ .name = "HifiBerry Digi", -+ .stream_name = "HifiBerry Digi HiFi", -+ SND_SOC_DAILINK_REG(hifiberry_digi), -+}, -+}; -+ -+static int snd_hifiberry_digi_probe(struct platform_device *pdev) -+{ -+ pr_debug("%s\n", __func__); -+ -+ if (IS_ERR(snd_clk44gpio) || IS_ERR(snd_clk48gpio)) -+ return 0; -+ -+ snd_hifiberry_digi_dai->name = "HiFiBerry Digi+ Pro"; -+ snd_hifiberry_digi_dai->stream_name = "HiFiBerry Digi+ Pro HiFi"; -+ return 0; -+} -+ -+static struct snd_rpi_wm8804_drvdata drvdata_hifiberry_digi = { -+ .card_name = "snd_rpi_hifiberry_digi", -+ .dai = snd_hifiberry_digi_dai, -+ .probe = snd_hifiberry_digi_probe, -+}; -+ -+static const struct of_device_id snd_rpi_wm8804_of_match[] = { -+ { .compatible = "justboom,justboom-digi", -+ .data = (void *) &drvdata_justboom_digi }, -+ { .compatible = "iqaudio,wm8804-digi", -+ .data = (void *) &drvdata_iqaudio_digi }, -+ { .compatible = "allo,allo-digione", -+ .data = (void *) &drvdata_allo_digione }, -+ { .compatible = "hifiberry,hifiberry-digi", -+ .data = (void *) &drvdata_hifiberry_digi }, -+ {}, -+}; -+ -+static struct snd_soc_card snd_rpi_wm8804 = { -+ .driver_name = "RPi-WM8804", -+ .owner = THIS_MODULE, -+ .dai_link = NULL, -+ .num_links = 1, -+}; -+ -+static int snd_rpi_wm8804_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ const struct of_device_id *of_id; -+ -+ snd_rpi_wm8804.dev = &pdev->dev; -+ of_id = of_match_node(snd_rpi_wm8804_of_match, pdev->dev.of_node); -+ -+ if (pdev->dev.of_node && of_id->data) { -+ struct device_node *i2s_node; -+ struct snd_rpi_wm8804_drvdata *drvdata = -+ (struct snd_rpi_wm8804_drvdata *) of_id->data; -+ struct snd_soc_dai_link *dai = drvdata->dai; -+ -+ snd_soc_card_set_drvdata(&snd_rpi_wm8804, drvdata); -+ -+ if (!dai->ops) -+ dai->ops = &snd_rpi_wm8804_ops; -+ if (!dai->codecs->dai_name) -+ dai->codecs->dai_name = "wm8804-spdif"; -+ if (!dai->codecs->name) -+ dai->codecs->name = "wm8804.1-003b"; -+ if (!dai->dai_fmt) -+ dai->dai_fmt = SND_SOC_DAIFMT_I2S | -+ SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBM_CFM; -+ -+ snd_rpi_wm8804.dai_link = dai; -+ i2s_node = of_parse_phandle(pdev->dev.of_node, -+ "i2s-controller", 0); -+ if (!i2s_node) { -+ pr_err("Failed to find i2s-controller DT node\n"); -+ return -ENODEV; -+ } -+ -+ snd_rpi_wm8804.name = drvdata->card_name; -+ -+ /* If requested by in drvdata get card & DAI names from DT */ -+ if (drvdata->card_name_dt) -+ of_property_read_string(i2s_node, -+ drvdata->card_name_dt, -+ &snd_rpi_wm8804.name); -+ -+ if (drvdata->dai_name_dt) -+ of_property_read_string(i2s_node, -+ drvdata->dai_name_dt, -+ &dai->name); -+ -+ if (drvdata->dai_stream_name_dt) -+ of_property_read_string(i2s_node, -+ drvdata->dai_stream_name_dt, -+ &dai->stream_name); -+ -+ dai->cpus->of_node = i2s_node; -+ dai->platforms->of_node = i2s_node; -+ -+ /* -+ * clk44gpio and clk48gpio are not required by all cards so -+ * don't check the error status. -+ */ -+ snd_clk44gpio = -+ devm_gpiod_get(&pdev->dev, "clock44", GPIOD_OUT_LOW); -+ -+ snd_clk48gpio = -+ devm_gpiod_get(&pdev->dev, "clock48", GPIOD_OUT_LOW); -+ -+ if (drvdata->probe) { -+ ret = drvdata->probe(pdev); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "Custom probe failed %d\n", -+ ret); -+ return ret; -+ } -+ } -+ -+ pr_debug("%s card: %s dai: %s stream: %s\n", __func__, -+ snd_rpi_wm8804.name, -+ dai->name, dai->stream_name); -+ } -+ -+ ret = devm_snd_soc_register_card(&pdev->dev, &snd_rpi_wm8804); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, "Failed to register card %d\n", ret); -+ -+ return ret; -+} -+ -+static struct platform_driver snd_rpi_wm8804_driver = { -+ .driver = { -+ .name = "snd-rpi-wm8804", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_rpi_wm8804_of_match, -+ }, -+ .probe = snd_rpi_wm8804_probe, -+}; -+MODULE_DEVICE_TABLE(of, snd_rpi_wm8804_of_match); -+ -+module_platform_driver(snd_rpi_wm8804_driver); -+ -+MODULE_AUTHOR("Tim Gover "); -+MODULE_DESCRIPTION("ASoC Raspberry Pi Hat generic digi driver for WM8804 based cards"); -+MODULE_LICENSE("GPL v2"); -- cgit v1.2.3