From a1383655cfaa71609d6236ae0fcf3b6047462b98 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 29 Feb 2020 09:25:20 +0100 Subject: bcm27xx: add linux 5.4 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas --- ...-for-the-AudioInjector.net-Octo-sound-car.patch | 435 +++++++++++++++++++++ 1 file changed, 435 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0075-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0075-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0075-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch b/target/linux/bcm27xx/patches-5.4/950-0075-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch new file mode 100644 index 0000000000..4494c8dea6 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0075-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch @@ -0,0 +1,435 @@ +From 471f12c73cf73db88695d5161ec5c29f94fde1d0 Mon Sep 17 00:00:00 2001 +From: Matt Flax +Date: Wed, 8 Mar 2017 20:04:13 +1100 +Subject: [PATCH] Add support for the AudioInjector.net Octo sound card + +AudioInjector Octo: sample rates, regulators, reset + +This patch adds new sample rates to the Audioinjector Octo sound card. The +new supported rates are (in kHz) : +96, 48, 32, 24, 16, 8, 88.2, 44.1, 29.4, 22.05, 14.7 + +Reference the bcm270x DT regulators in the overlay. + +This patch adds a reset GPIO for the AudioInjector.net octo sound card. + +Audioinjector octo : Make the playback and capture symmetric + +This patch ensures that the sample rate and channel count of the audioinjector +octo sound card are symmetric. + +audioinjector-octo: Add continuous clock feature + +By user request, add a switch to prevent the clocks being stopped when +the stream is paused, stopped or shutdown. Provide access to the switch +by adding a 'non-stop-clocks' parameter to the audioinjector-addons +overlay. + +See: https://github.com/raspberrypi/linux/issues/2409 + +Signed-off-by: Phil Elwell + +sound: Fixes for audioinjector-octo under 4.19 + +1. Move the DT alias declaration to the I2C shim in the cases +where the shim is enabled. This works around a problem caused by a +4.19 commit [1] that generates DT/OF uevents for I2C drivers. + +2. Fix the diagnostics in an error path of the soundcard driver to +correctly identify the reason for the failure to load. + +3. Move the declaration of the clock node in the overlay outside +the I2C node to avoid warnings. + +4. Sort the overlay nodes so that dependencies are only to earlier +fragments, in an attempt to get runtime dtoverlay application to +work (it still doesn't...) + +See: https://github.com/Audio-Injector/Octo/issues/14 +Signed-off-by: Phil Elwell + +[1] af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF") + +ASoC: audioinjector-octo-soundcard: use modern dai_link style + +Signed-off-by: Hui Wang +--- + sound/soc/bcm/audioinjector-octo-soundcard.c | 341 +++++++++++++++++++ + sound/soc/codecs/cs42xx8-i2c.c | 7 + + sound/soc/codecs/cs42xx8.c | 2 + + 3 files changed, 350 insertions(+) + create mode 100644 sound/soc/bcm/audioinjector-octo-soundcard.c + +--- /dev/null ++++ b/sound/soc/bcm/audioinjector-octo-soundcard.c +@@ -0,0 +1,341 @@ ++/* ++ * ASoC Driver for AudioInjector Pi octo channel soundcard (hat) ++ * ++ * Created on: 27-October-2016 ++ * Author: flatmax@flatmax.org ++ * based on audioinjector-pi-soundcard.c ++ * ++ * Copyright (C) 2016 Flatmax Pty. Ltd. ++ * ++ * 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 ++ ++static struct gpio_descs *mult_gpios; ++static struct gpio_desc *codec_rst_gpio; ++static unsigned int audioinjector_octo_rate; ++static bool non_stop_clocks; ++ ++static const unsigned int audioinjector_octo_rates[] = { ++ 96000, 48000, 32000, 24000, 16000, 8000, 88200, 44100, 29400, 22050, 14700, ++}; ++ ++static struct snd_pcm_hw_constraint_list audioinjector_octo_constraints = { ++ .list = audioinjector_octo_rates, ++ .count = ARRAY_SIZE(audioinjector_octo_rates), ++}; ++ ++static int audioinjector_octo_dai_init(struct snd_soc_pcm_runtime *rtd) ++{ ++ return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, 64); ++} ++ ++static int audioinjector_octo_startup(struct snd_pcm_substream *substream) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ rtd->cpu_dai->driver->playback.channels_min = 8; ++ rtd->cpu_dai->driver->playback.channels_max = 8; ++ rtd->cpu_dai->driver->capture.channels_min = 8; ++ rtd->cpu_dai->driver->capture.channels_max = 8; ++ rtd->codec_dai->driver->capture.channels_max = 8; ++ ++ snd_pcm_hw_constraint_list(substream->runtime, 0, ++ SNDRV_PCM_HW_PARAM_RATE, ++ &audioinjector_octo_constraints); ++ ++ return 0; ++} ++ ++static void audioinjector_octo_shutdown(struct snd_pcm_substream *substream) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ rtd->cpu_dai->driver->playback.channels_min = 2; ++ rtd->cpu_dai->driver->playback.channels_max = 2; ++ rtd->cpu_dai->driver->capture.channels_min = 2; ++ rtd->cpu_dai->driver->capture.channels_max = 2; ++ rtd->codec_dai->driver->capture.channels_max = 6; ++} ++ ++static int audioinjector_octo_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ ++ // set codec DAI configuration ++ int ret = snd_soc_dai_set_fmt(rtd->codec_dai, ++ SND_SOC_DAIFMT_CBS_CFS|SND_SOC_DAIFMT_DSP_A| ++ SND_SOC_DAIFMT_NB_NF); ++ if (ret < 0) ++ return ret; ++ ++ // set cpu DAI configuration ++ ret = snd_soc_dai_set_fmt(rtd->cpu_dai, ++ SND_SOC_DAIFMT_CBM_CFM|SND_SOC_DAIFMT_I2S| ++ SND_SOC_DAIFMT_NB_NF); ++ if (ret < 0) ++ return ret; ++ ++ audioinjector_octo_rate = params_rate(params); ++ ++ // Set the correct sysclock for the codec ++ switch (audioinjector_octo_rate) { ++ case 96000: ++ case 48000: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000, ++ 0); ++ break; ++ case 24000: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/2, ++ 0); ++ break; ++ case 32000: ++ case 16000: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/3, ++ 0); ++ break; ++ case 8000: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/6, ++ 0); ++ break; ++ case 88200: ++ case 44100: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400, ++ 0); ++ break; ++ case 22050: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400/2, ++ 0); ++ break; ++ case 29400: ++ case 14700: ++ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400/3, ++ 0); ++ break; ++ default: ++ return -EINVAL; ++ } ++} ++ ++static int audioinjector_octo_trigger(struct snd_pcm_substream *substream, ++ int cmd){ ++ DECLARE_BITMAP(mult, 4); ++ ++ memset(mult, 0, sizeof(mult)); ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_STOP: ++ case SNDRV_PCM_TRIGGER_SUSPEND: ++ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ++ if (!non_stop_clocks) ++ break; ++ /* Drop through... */ ++ case SNDRV_PCM_TRIGGER_START: ++ case SNDRV_PCM_TRIGGER_RESUME: ++ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ switch (audioinjector_octo_rate) { ++ case 96000: ++ __assign_bit(3, mult, 1); ++ case 88200: ++ __assign_bit(1, mult, 1); ++ __assign_bit(2, mult, 1); ++ break; ++ case 48000: ++ __assign_bit(3, mult, 1); ++ case 44100: ++ __assign_bit(2, mult, 1); ++ break; ++ case 32000: ++ __assign_bit(3, mult, 1); ++ case 29400: ++ __assign_bit(0, mult, 1); ++ __assign_bit(1, mult, 1); ++ break; ++ case 24000: ++ __assign_bit(3, mult, 1); ++ case 22050: ++ __assign_bit(1, mult, 1); ++ break; ++ case 16000: ++ __assign_bit(3, mult, 1); ++ case 14700: ++ __assign_bit(0, mult, 1); ++ break; ++ case 8000: ++ __assign_bit(3, mult, 1); ++ break; ++ default: ++ return -EINVAL; ++ } ++ break; ++ default: ++ return -EINVAL; ++ } ++ gpiod_set_array_value_cansleep(mult_gpios->ndescs, mult_gpios->desc, ++ NULL, mult); ++ ++ return 0; ++} ++ ++static struct snd_soc_ops audioinjector_octo_ops = { ++ .startup = audioinjector_octo_startup, ++ .shutdown = audioinjector_octo_shutdown, ++ .hw_params = audioinjector_octo_hw_params, ++ .trigger = audioinjector_octo_trigger, ++}; ++ ++SND_SOC_DAILINK_DEFS(audioinjector_octo, ++ DAILINK_COMP_ARRAY(COMP_EMPTY()), ++ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "cs42448")), ++ DAILINK_COMP_ARRAY(COMP_EMPTY())); ++ ++static struct snd_soc_dai_link audioinjector_octo_dai[] = { ++ { ++ .name = "AudioInjector Octo", ++ .stream_name = "AudioInject-HIFI", ++ .ops = &audioinjector_octo_ops, ++ .init = audioinjector_octo_dai_init, ++ .symmetric_rates = 1, ++ .symmetric_channels = 1, ++ SND_SOC_DAILINK_REG(audioinjector_octo), ++ }, ++}; ++ ++static const struct snd_soc_dapm_widget audioinjector_octo_widgets[] = { ++ SND_SOC_DAPM_OUTPUT("OUTPUTS0"), ++ SND_SOC_DAPM_OUTPUT("OUTPUTS1"), ++ SND_SOC_DAPM_OUTPUT("OUTPUTS2"), ++ SND_SOC_DAPM_OUTPUT("OUTPUTS3"), ++ SND_SOC_DAPM_INPUT("INPUTS0"), ++ SND_SOC_DAPM_INPUT("INPUTS1"), ++ SND_SOC_DAPM_INPUT("INPUTS2"), ++}; ++ ++static const struct snd_soc_dapm_route audioinjector_octo_route[] = { ++ /* Balanced outputs */ ++ {"OUTPUTS0", NULL, "AOUT1L"}, ++ {"OUTPUTS0", NULL, "AOUT1R"}, ++ {"OUTPUTS1", NULL, "AOUT2L"}, ++ {"OUTPUTS1", NULL, "AOUT2R"}, ++ {"OUTPUTS2", NULL, "AOUT3L"}, ++ {"OUTPUTS2", NULL, "AOUT3R"}, ++ {"OUTPUTS3", NULL, "AOUT4L"}, ++ {"OUTPUTS3", NULL, "AOUT4R"}, ++ ++ /* Balanced inputs */ ++ {"AIN1L", NULL, "INPUTS0"}, ++ {"AIN1R", NULL, "INPUTS0"}, ++ {"AIN2L", NULL, "INPUTS1"}, ++ {"AIN2R", NULL, "INPUTS1"}, ++ {"AIN3L", NULL, "INPUTS2"}, ++ {"AIN3R", NULL, "INPUTS2"}, ++}; ++ ++static struct snd_soc_card snd_soc_audioinjector_octo = { ++ .name = "audioinjector-octo-soundcard", ++ .dai_link = audioinjector_octo_dai, ++ .num_links = ARRAY_SIZE(audioinjector_octo_dai), ++ ++ .dapm_widgets = audioinjector_octo_widgets, ++ .num_dapm_widgets = ARRAY_SIZE(audioinjector_octo_widgets), ++ .dapm_routes = audioinjector_octo_route, ++ .num_dapm_routes = ARRAY_SIZE(audioinjector_octo_route), ++}; ++ ++static int audioinjector_octo_probe(struct platform_device *pdev) ++{ ++ struct snd_soc_card *card = &snd_soc_audioinjector_octo; ++ int ret; ++ ++ card->dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct snd_soc_dai_link *dai = &audioinjector_octo_dai[0]; ++ struct device_node *i2s_node = ++ of_parse_phandle(pdev->dev.of_node, ++ "i2s-controller", 0); ++ struct device_node *codec_node = ++ of_parse_phandle(pdev->dev.of_node, ++ "codec", 0); ++ ++ mult_gpios = devm_gpiod_get_array_optional(&pdev->dev, "mult", ++ GPIOD_OUT_LOW); ++ if (IS_ERR(mult_gpios)) ++ return PTR_ERR(mult_gpios); ++ ++ codec_rst_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", ++ GPIOD_OUT_LOW); ++ if (IS_ERR(codec_rst_gpio)) ++ return PTR_ERR(codec_rst_gpio); ++ ++ non_stop_clocks = of_property_read_bool(pdev->dev.of_node, "non-stop-clocks"); ++ ++ if (codec_rst_gpio) ++ gpiod_set_value(codec_rst_gpio, 1); ++ msleep(500); ++ if (codec_rst_gpio) ++ gpiod_set_value(codec_rst_gpio, 0); ++ msleep(500); ++ if (codec_rst_gpio) ++ gpiod_set_value(codec_rst_gpio, 1); ++ msleep(500); ++ ++ if (i2s_node && codec_node) { ++ dai->cpus->dai_name = NULL; ++ dai->cpus->of_node = i2s_node; ++ dai->platforms->name = NULL; ++ dai->platforms->of_node = i2s_node; ++ dai->codecs->name = NULL; ++ dai->codecs->of_node = codec_node; ++ } else ++ if (!i2s_node) { ++ dev_err(&pdev->dev, ++ "i2s-controller missing or invalid in DT\n"); ++ return -EINVAL; ++ } else { ++ dev_err(&pdev->dev, ++ "Property 'codec' missing or invalid\n"); ++ return -EINVAL; ++ } ++ } ++ ++ ret = devm_snd_soc_register_card(&pdev->dev, card); ++ if (ret != 0) ++ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); ++ return ret; ++} ++ ++static const struct of_device_id audioinjector_octo_of_match[] = { ++ { .compatible = "ai,audioinjector-octo-soundcard", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, audioinjector_octo_of_match); ++ ++static struct platform_driver audioinjector_octo_driver = { ++ .driver = { ++ .name = "audioinjector-octo", ++ .owner = THIS_MODULE, ++ .of_match_table = audioinjector_octo_of_match, ++ }, ++ .probe = audioinjector_octo_probe, ++}; ++ ++module_platform_driver(audioinjector_octo_driver); ++MODULE_AUTHOR("Matt Flax "); ++MODULE_DESCRIPTION("AudioInjector.net octo Soundcard"); ++MODULE_LICENSE("GPL v2"); ++MODULE_ALIAS("platform:audioinjector-octo-soundcard"); +--- a/sound/soc/codecs/cs42xx8-i2c.c ++++ b/sound/soc/codecs/cs42xx8-i2c.c +@@ -45,6 +45,13 @@ static struct i2c_device_id cs42xx8_i2c_ + }; + MODULE_DEVICE_TABLE(i2c, cs42xx8_i2c_id); + ++const struct of_device_id cs42xx8_of_match[] = { ++ { .compatible = "cirrus,cs42448", .data = &cs42448_data, }, ++ { .compatible = "cirrus,cs42888", .data = &cs42888_data, }, ++ { /* sentinel */ } ++}; ++MODULE_DEVICE_TABLE(of, cs42xx8_of_match); ++ + static struct i2c_driver cs42xx8_i2c_driver = { + .driver = { + .name = "cs42xx8", +--- a/sound/soc/codecs/cs42xx8.c ++++ b/sound/soc/codecs/cs42xx8.c +@@ -516,8 +516,10 @@ const struct of_device_id cs42xx8_of_mat + { .compatible = "cirrus,cs42888", .data = &cs42888_data, }, + { /* sentinel */ } + }; ++#if !IS_ENABLED(CONFIG_SND_SOC_CS42XX8_I2C) + MODULE_DEVICE_TABLE(of, cs42xx8_of_match); + EXPORT_SYMBOL_GPL(cs42xx8_of_match); ++#endif + + int cs42xx8_probe(struct device *dev, struct regmap *regmap) + { -- cgit v1.2.3