diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0281-Drivers-for-Allo-Katana-DAC.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0281-Drivers-for-Allo-Katana-DAC.patch | 745 |
1 files changed, 0 insertions, 745 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0281-Drivers-for-Allo-Katana-DAC.patch b/target/linux/brcm2708/patches-4.14/950-0281-Drivers-for-Allo-Katana-DAC.patch deleted file mode 100644 index 16235f23eb..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0281-Drivers-for-Allo-Katana-DAC.patch +++ /dev/null @@ -1,745 +0,0 @@ -From 87d450d98ef1f69dd6f5255c3b7e665c130935ea Mon Sep 17 00:00:00 2001 -From: allocom <sparky-dev@allo.com> -Date: Thu, 19 Apr 2018 12:12:26 +0530 -Subject: [PATCH 281/454] Drivers for Allo Katana DAC - ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 6 + - .../allo-katana-dac-audio-overlay.dts | 46 +++ - arch/arm/configs/bcm2709_defconfig | 1 + - arch/arm/configs/bcmrpi_defconfig | 1 + - sound/soc/bcm/Kconfig | 7 + - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/allo-katana-dac.c | 105 ++++++ - sound/soc/codecs/Kconfig | 10 + - sound/soc/codecs/Makefile | 4 + - sound/soc/codecs/sabre-ess-i2c.c | 69 ++++ - sound/soc/codecs/sabre-ess.c | 300 ++++++++++++++++++ - sound/soc/codecs/sabre-ess.h | 62 ++++ - 13 files changed, 614 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts - create mode 100644 sound/soc/bcm/allo-katana-dac.c - create mode 100644 sound/soc/codecs/sabre-ess-i2c.c - create mode 100644 sound/soc/codecs/sabre-ess.c - create mode 100644 sound/soc/codecs/sabre-ess.h - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -9,6 +9,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - akkordion-iqdacplus.dtbo \ - allo-boss-dac-pcm512x-audio.dtbo \ - allo-digione.dtbo \ -+ allo-katana-dac-audio.dtbo \ - allo-piano-dac-pcm512x-audio.dtbo \ - allo-piano-dac-plus-pcm512x-audio.dtbo \ - applepi-dac.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -317,6 +317,12 @@ Load: dtoverlay=allo-digione - Params: <None> - - -+Name: allo-katana -+Info: Configures the Allo Katana audio card -+Load: dtoverlay=allo-katana-dac-audio -+Params: <None> -+ -+ - Name: allo-piano-dac-pcm512x-audio - Info: Configures the Allo Piano DAC (2.0/2.1) audio cards. - (NB. This initial support is for 2.0 channel audio ONLY! ie. stereo. ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts -@@ -0,0 +1,46 @@ -+/* -+ * Definitions for Allo Katana DAC boards -+ * -+ * NB. The Katana DAC board contains SABER DAC. -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&i2s>; -+ __overlay__ { -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&i2c1>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ sabre-ess@30 { -+ #sound-dai-cells = <0>; -+ compatible = "saber,sabre-ess"; -+ reg = <0x30>; -+ status = "okay"; -+ }; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&sound>; -+ katana_dac: __overlay__ { -+ compatible = "allo,katana-dac"; -+ i2s-controller = <&i2s>; -+ status = "okay"; -+ }; -+ }; -+ -+}; -+ ---- a/arch/arm/configs/bcm2709_defconfig -+++ b/arch/arm/configs/bcm2709_defconfig -@@ -894,6 +894,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m - CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m - CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m - CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m -+CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m - CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m - CONFIG_SND_PISOUND=m - CONFIG_SND_SOC_ADAU1701=m ---- a/arch/arm/configs/bcmrpi_defconfig -+++ b/arch/arm/configs/bcmrpi_defconfig -@@ -887,6 +887,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m - CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m - CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m - CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m -+CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m - CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m - CONFIG_SND_PISOUND=m - CONFIG_SND_SOC_ADAU1701=m ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -175,6 +175,13 @@ config SND_BCM2708_SOC_ALLO_DIGIONE - help - Say Y or M if you want to add support for Allo DigiOne. - -+config SND_BCM2708_SOC_ALLO_KATANA_DAC -+ tristate "Support for Allo Katana DAC" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_SABRE_ESS_I2C -+ help -+ Say Y or M if you want to add support for Allo Katana DAC. -+ - config SND_BCM2708_SOC_FE_PI_AUDIO - tristate "Support for Fe-Pi-Audio" - depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -34,6 +34,7 @@ snd-soc-allo-boss-dac-objs := allo-boss- - snd-soc-allo-piano-dac-objs := allo-piano-dac.o - snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o - snd-soc-allo-digione-objs := allo-digione.o -+snd-soc-allo-katana-dac-objs := allo-katana-dac.o - snd-soc-pisound-objs := pisound.o - snd-soc-fe-pi-audio-objs := fe-pi-audio.o - -@@ -60,5 +61,6 @@ obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS_D - obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o - obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o - obj-$(CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE) += snd-soc-allo-digione.o -+obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-dac.o - obj-$(CONFIG_SND_PISOUND) += snd-soc-pisound.o - obj-$(CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO) += snd-soc-fe-pi-audio.o ---- /dev/null -+++ b/sound/soc/bcm/allo-katana-dac.c -@@ -0,0 +1,105 @@ -+/* -+ * ASoC Driver for KATANA DAC -+ * -+ * Author: Jaikumar <jaikumar@cem-solutions.net> -+ * Copyright 2018 -+ * -+ * 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> -+ -+static struct snd_soc_dai_link snd_allo_katana_dac_dai[] = { -+{ -+ .name = "KATANA DAC", -+ //.stream_name = "KATANA DAC HiFi [Master]", -+ .stream_name = "KATANA DAC", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ //.codec_dai_name = "es9038q2m-hifi", -+ .codec_dai_name = "sabre-ess", -+ .platform_name = "bcm2708-i2s.0", -+ //.codec_name = "es9038q2m.1-0030", -+ .codec_name = "sabre-ess.1-0030", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | -+ SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBM_CFM, -+}, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_allo_katana_dac = { -+ .name = "snd_allo_katana_dac", -+ .owner = THIS_MODULE, -+ .dai_link = snd_allo_katana_dac_dai, -+ .num_links = ARRAY_SIZE(snd_allo_katana_dac_dai), -+}; -+ -+static int snd_allo_katana_dac_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ -+ snd_allo_katana_dac.dev = &pdev->dev; -+ -+ if (pdev->dev.of_node) { -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai = &snd_allo_katana_dac_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; -+ } -+ } -+ -+ ret = snd_soc_register_card(&snd_allo_katana_dac); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", -+ ret); -+ -+ return ret; -+} -+ -+static int snd_allo_katana_dac_remove(struct platform_device *pdev) -+{ -+ return snd_soc_unregister_card(&snd_allo_katana_dac); -+} -+ -+static const struct of_device_id snd_allo_katana_dac_of_match[] = { -+ { .compatible = "allo,katana-dac", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, snd_allo_katana_dac_of_match); -+ -+static struct platform_driver snd_allo_katana_dac_driver = { -+ .driver = { -+ .name = "snd-katana-dac", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_allo_katana_dac_of_match, -+ }, -+ .probe = snd_allo_katana_dac_probe, -+ .remove = snd_allo_katana_dac_remove, -+}; -+ -+module_platform_driver(snd_allo_katana_dac_driver); -+ -+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>"); -+MODULE_DESCRIPTION("ALSA ASoC Machine Driver for Allo Katana DAC"); -+MODULE_LICENSE("GPL v2"); -+ ---- a/sound/soc/codecs/Kconfig -+++ b/sound/soc/codecs/Kconfig -@@ -77,6 +77,7 @@ config SND_SOC_ALL_CODECS - select SND_SOC_ES8328_SPI if SPI_MASTER - select SND_SOC_ES8328_I2C if I2C - select SND_SOC_ES7134 -+ select SND_SOC_SABRE_ESS_I2C if I2C - select SND_SOC_GTM601 - select SND_SOC_HDAC_HDMI - select SND_SOC_ICS43432 -@@ -1186,4 +1187,13 @@ config SND_SOC_TPA6130A2 - tristate "Texas Instruments TPA6130A2 headphone amplifier" - depends on I2C - -+config SND_SOC_SABRE_ESS -+ tristate -+ -+config SND_SOC_SABRE_ESS_I2C -+ tristate "Sabre SABRE ESS CODEC - I2C" -+ depends on I2C -+ select SND_SOC_SABRE_ESS -+ select REGMAP_I2C -+ - endmenu ---- a/sound/soc/codecs/Makefile -+++ b/sound/soc/codecs/Makefile -@@ -71,6 +71,8 @@ snd-soc-es8316-objs := es8316.o - snd-soc-es8328-objs := es8328.o - snd-soc-es8328-i2c-objs := es8328-i2c.o - snd-soc-es8328-spi-objs := es8328-spi.o -+snd-soc-sabre-ess-objs := sabre-ess.o -+snd-soc-sabre-ess-i2c-objs := sabre-ess-i2c.o - snd-soc-gtm601-objs := gtm601.o - snd-soc-hdac-hdmi-objs := hdac_hdmi.o - snd-soc-ics43432-objs := ics43432.o -@@ -313,6 +315,8 @@ obj-$(CONFIG_SND_SOC_ES8316) += snd-s - obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o - obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o - obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o -+obj-$(CONFIG_SND_SOC_SABRE_ESS) += snd-soc-sabre-ess.o -+obj-$(CONFIG_SND_SOC_SABRE_ESS_I2C) += snd-soc-sabre-ess-i2c.o - obj-$(CONFIG_SND_SOC_GTM601) += snd-soc-gtm601.o - obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o - obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o ---- /dev/null -+++ b/sound/soc/codecs/sabre-ess-i2c.c -@@ -0,0 +1,69 @@ -+/* -+ * Driver for the SABRE ESS CODECs -+ * -+ * Author: Jaikumar <jaikumar@cem-solutions.net> -+ * Copyright 2018 -+ * -+ * 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/init.h> -+#include <linux/module.h> -+#include <linux/i2c.h> -+ -+#include "sabre-ess.h" -+ -+static int sabre_ess_i2c_probe(struct i2c_client *i2c, -+ const struct i2c_device_id *id) -+{ -+ struct regmap *regmap; -+ struct regmap_config config = sabre_ess_regmap; -+ -+ regmap = devm_regmap_init_i2c(i2c, &config); -+ if (IS_ERR(regmap)) -+ return PTR_ERR(regmap); -+ -+ return sabre_ess_probe(&i2c->dev, regmap); -+} -+ -+static int sabre_ess_i2c_remove(struct i2c_client *i2c) -+{ -+ sabre_ess_remove(&i2c->dev); -+ return 0; -+} -+ -+static const struct i2c_device_id sabre_ess_i2c_id[] = { -+ { "sabre-ess", }, -+ { } -+}; -+MODULE_DEVICE_TABLE(i2c, sabre_ess_i2c_id); -+ -+static const struct of_device_id sabre_ess_of_match[] = { -+ { .compatible = "saber,sabre-ess", }, -+ { } -+}; -+MODULE_DEVICE_TABLE(of, sabre_ess_of_match); -+ -+static struct i2c_driver sabre_ess_i2c_driver = { -+ .probe = sabre_ess_i2c_probe, -+ .remove = sabre_ess_i2c_remove, -+ .id_table = sabre_ess_i2c_id, -+ .driver = { -+ .name = "sabre-ess", -+ .of_match_table = sabre_ess_of_match, -+ }, -+}; -+ -+module_i2c_driver(sabre_ess_i2c_driver); -+ -+MODULE_DESCRIPTION("ASoC SABRE ESS codec driver - I2C"); -+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>"); -+MODULE_LICENSE("GPL v2"); -+ ---- /dev/null -+++ b/sound/soc/codecs/sabre-ess.c -@@ -0,0 +1,300 @@ -+/* -+ * Driver for the SABRE ESS CODEC -+ * -+ * Author: Jaikumar <jaikumar@cem-solutions.net> -+ * Copyright 2018 -+ * -+ * 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/init.h> -+#include <linux/module.h> -+#include <linux/clk.h> -+#include <linux/kernel.h> -+#include <linux/pm_runtime.h> -+#include <linux/regmap.h> -+#include <linux/regulator/consumer.h> -+#include <linux/gcd.h> -+#include <sound/soc.h> -+#include <sound/soc-dapm.h> -+#include <sound/pcm_params.h> -+#include <sound/tlv.h> -+ -+#include "sabre-ess.h" -+ -+struct sabre_ess_priv { -+ struct regmap *regmap; -+ int fmt; -+}; -+ -+static const struct reg_default sabre_ess_reg_defaults[] = { -+ { SABRE_ESS_RESET, 0x00 }, -+ { SABRE_ESS_VOLUME_1, 0xF0 }, -+ { SABRE_ESS_VOLUME_2, 0xF0 }, -+ { SABRE_ESS_MUTE, 0x00 }, -+ { SABRE_ESS_DSP_PROGRAM, 0x04 }, -+ { SABRE_ESS_DEEMPHASIS, 0x00 }, -+ { SABRE_ESS_DOP, 0x01 }, -+ { SABRE_ESS_FORMAT, 0xb4 }, -+}; -+ -+static const char * const sabre_ess_dsp_program_texts[] = { -+ "Linear Phase Fast Roll-off Filter", -+ "Linear Phase Slow Roll-off Filter", -+ "Minimum Phase Fast Roll-off Filter", -+ "Minimum Phase Slow Roll-off Filter", -+ "Apodizing Fast Roll-off Filter", -+ "Corrected Minimum Phase Fast Roll-off Filter", -+ "Brick Wall Filter", -+}; -+ -+static const unsigned int sabre_ess_dsp_program_values[] = { -+ 0, -+ 1, -+ 2, -+ 3, -+ 4, -+ 6, -+ 7, -+}; -+ -+static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_dsp_program, -+ SABRE_ESS_DSP_PROGRAM, 0, 0x07, -+ sabre_ess_dsp_program_texts, -+ sabre_ess_dsp_program_values); -+ -+static const char * const sabre_ess_deemphasis_texts[] = { -+ "Bypass", -+ "32kHz", -+ "44.1kHz", -+ "48kHz", -+}; -+ -+static const unsigned int sabre_ess_deemphasis_values[] = { -+ 0, -+ 1, -+ 2, -+ 3, -+}; -+ -+static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_deemphasis, -+ SABRE_ESS_DEEMPHASIS, 0, 0x03, -+ sabre_ess_deemphasis_texts, -+ sabre_ess_deemphasis_values); -+ -+static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12700, 0); -+ -+static const struct snd_kcontrol_new sabre_ess_controls[] = { -+ SOC_DOUBLE_R_TLV("Master Playback Volume", SABRE_ESS_VOLUME_1, -+ SABRE_ESS_VOLUME_2, 0, 255, 1, master_tlv), -+ SOC_DOUBLE("Master Playback Switch", SABRE_ESS_MUTE, 0, 0, 1, 1), -+ SOC_ENUM("DSP Program Route", sabre_ess_dsp_program), -+ SOC_ENUM("Deemphasis Route", sabre_ess_deemphasis), -+ SOC_SINGLE("DoP Playback Switch", SABRE_ESS_DOP, 0, 1, 1) -+}; -+ -+static bool sabre_ess_readable_register(struct device *dev, unsigned int reg) -+{ -+ switch (reg) { -+ case SABRE_ESS_CHIP_ID_REG: -+ return true; -+ default: -+ return reg < 0xff; -+ } -+} -+ -+static int sabre_ess_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params, -+ struct snd_soc_dai *dai) -+{ -+ struct snd_soc_codec *codec = dai->codec; -+ struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec); -+ int fmt = 0; -+ int ret; -+ -+ dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n", -+ params_rate(params), -+ params_channels(params)); -+ -+ switch (sabre_ess->fmt & SND_SOC_DAIFMT_MASTER_MASK) { -+ case SND_SOC_DAIFMT_CBM_CFM: // master -+ if (params_channels(params) == 2) -+ fmt = SABRE_ESS_CHAN_STEREO; -+ else -+ fmt = SABRE_ESS_CHAN_MONO; -+ -+ switch (params_width(params)) { -+ case 16: -+ fmt |= SABRE_ESS_ALEN_16; -+ break; -+ case 24: -+ fmt |= SABRE_ESS_ALEN_24; -+ break; -+ case 32: -+ fmt |= SABRE_ESS_ALEN_32; -+ break; -+ default: -+ dev_err(codec->dev, "Bad frame size: %d\n", -+ params_width(params)); -+ return -EINVAL; -+ } -+ -+ switch (params_rate(params)) { -+ case 44100: -+ fmt |= SABRE_ESS_RATE_44100; -+ break; -+ case 48000: -+ fmt |= SABRE_ESS_RATE_48000; -+ break; -+ case 88200: -+ fmt |= SABRE_ESS_RATE_88200; -+ break; -+ case 96000: -+ fmt |= SABRE_ESS_RATE_96000; -+ break; -+ case 176400: -+ fmt |= SABRE_ESS_RATE_176400; -+ break; -+ case 192000: -+ fmt |= SABRE_ESS_RATE_192000; -+ break; -+ case 352800: -+ fmt |= SABRE_ESS_RATE_352800; -+ break; -+ case 384000: -+ fmt |= SABRE_ESS_RATE_384000; -+ break; -+ default: -+ dev_err(codec->dev, "Bad sample rate: %d\n", -+ params_rate(params)); -+ return -EINVAL; -+ } -+ -+ ret = regmap_write(sabre_ess->regmap, SABRE_ESS_FORMAT, fmt); -+ if (ret != 0) { -+ dev_err(codec->dev, "Failed to set format: %d\n", ret); -+ return ret; -+ } -+ break; -+ -+ default: -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+static int sabre_ess_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) -+{ -+ struct snd_soc_codec *codec = dai->codec; -+ struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec); -+ -+ sabre_ess->fmt = fmt; -+ -+ return 0; -+} -+ -+static const struct snd_soc_dai_ops sabre_ess_dai_ops = { -+ .hw_params = sabre_ess_hw_params, -+ .set_fmt = sabre_ess_set_fmt, -+}; -+ -+static struct snd_soc_dai_driver sabre_ess_dai = { -+ .name = "sabre-ess", -+ .playback = { -+ .stream_name = "Playback", -+ .channels_min = 2, -+ .channels_max = 2, -+ .rates = SNDRV_PCM_RATE_CONTINUOUS, -+ .rate_min = 44100, -+ .rate_max = 384000, -+ .formats = SNDRV_PCM_FMTBIT_S16_LE | -+ SNDRV_PCM_FMTBIT_S32_LE -+ }, -+ .ops = &sabre_ess_dai_ops, -+}; -+ -+static struct snd_soc_codec_driver sabre_ess_codec_driver = { -+ .idle_bias_off = false, -+ -+ .component_driver = { -+ .controls = sabre_ess_controls, -+ .num_controls = ARRAY_SIZE(sabre_ess_controls), -+ }, -+}; -+ -+static const struct regmap_range_cfg sabre_ess_range = { -+ .name = "Pages", .range_min = SABRE_ESS_VIRT_BASE, -+ .range_max = SABRE_ESS_MAX_REGISTER, -+ .selector_reg = SABRE_ESS_PAGE, -+ .selector_mask = 0xff, -+ .window_start = 0, .window_len = 0x100, -+}; -+ -+const struct regmap_config sabre_ess_regmap = { -+ .reg_bits = 8, -+ .val_bits = 8, -+ -+ .ranges = &sabre_ess_range, -+ .num_ranges = 1, -+ -+ .max_register = SABRE_ESS_MAX_REGISTER, -+ .readable_reg = sabre_ess_readable_register, -+ .reg_defaults = sabre_ess_reg_defaults, -+ .num_reg_defaults = ARRAY_SIZE(sabre_ess_reg_defaults), -+ .cache_type = REGCACHE_RBTREE, -+}; -+EXPORT_SYMBOL_GPL(sabre_ess_regmap); -+ -+int sabre_ess_probe(struct device *dev, struct regmap *regmap) -+{ -+ struct sabre_ess_priv *sabre_ess; -+ unsigned int chip_id = 0; -+ int ret; -+ -+ sabre_ess = devm_kzalloc(dev, sizeof(struct sabre_ess_priv), -+ GFP_KERNEL); -+ if (!sabre_ess) -+ return -ENOMEM; -+ -+ dev_set_drvdata(dev, sabre_ess); -+ sabre_ess->regmap = regmap; -+ -+ ret = regmap_read(regmap, SABRE_ESS_CHIP_ID_REG, &chip_id); -+ if ((ret != 0) || (chip_id != SABRE_ESS_CHIP_ID)) { -+ dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret); -+ return ret; -+ } -+ regmap_update_bits(regmap, SABRE_ESS_RESET, 0x01, 0x01); -+ msleep(10); -+ -+ ret = snd_soc_register_codec(dev, &sabre_ess_codec_driver, -+ &sabre_ess_dai, 1); -+ if (ret != 0) { -+ dev_err(dev, "failed to register codec: %d\n", ret); -+ return ret; -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(sabre_ess_probe); -+ -+void sabre_ess_remove(struct device *dev) -+{ -+ snd_soc_unregister_codec(dev); -+ pm_runtime_disable(dev); -+} -+EXPORT_SYMBOL_GPL(sabre_ess_remove); -+ -+MODULE_DESCRIPTION("ASoC SABRE ESS codec driver"); -+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>"); -+MODULE_LICENSE("GPL v2"); -+ ---- /dev/null -+++ b/sound/soc/codecs/sabre-ess.h -@@ -0,0 +1,62 @@ -+/* -+ * Driver for the SABRE ESS CODEC -+ * -+ * Author: Jaikumar <jaikumar@cem-solutions.net> -+ * Copyright 2018 -+ * -+ * 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. -+ */ -+ -+#ifndef _SND_SOC_SABRE_ESS_ -+#define _SND_SOC_SABRE_ESS_ -+ -+#include <linux/pm.h> -+#include <linux/regmap.h> -+ -+#define SABRE_ESS_CHIP_ID 0x30 -+#define SABRE_ESS_VIRT_BASE 0x100 -+#define SABRE_ESS_PAGE 0 -+ -+#define SABRE_ESS_CHIP_ID_REG (SABRE_ESS_VIRT_BASE + 0) -+#define SABRE_ESS_RESET (SABRE_ESS_VIRT_BASE + 1) -+#define SABRE_ESS_VOLUME_1 (SABRE_ESS_VIRT_BASE + 2) -+#define SABRE_ESS_VOLUME_2 (SABRE_ESS_VIRT_BASE + 3) -+#define SABRE_ESS_MUTE (SABRE_ESS_VIRT_BASE + 4) -+#define SABRE_ESS_DSP_PROGRAM (SABRE_ESS_VIRT_BASE + 5) -+#define SABRE_ESS_DEEMPHASIS (SABRE_ESS_VIRT_BASE + 6) -+#define SABRE_ESS_DOP (SABRE_ESS_VIRT_BASE + 7) -+#define SABRE_ESS_FORMAT (SABRE_ESS_VIRT_BASE + 8) -+#define SABRE_ESS_COMMAND (SABRE_ESS_VIRT_BASE + 9) -+#define SABRE_ESS_MAX_REGISTER (SABRE_ESS_VIRT_BASE + 9) -+ -+#define SABRE_ESS_FMT 0xff -+#define SABRE_ESS_CHAN_MONO 0x00 -+#define SABRE_ESS_CHAN_STEREO 0x80 -+#define SABRE_ESS_ALEN_16 0x10 -+#define SABRE_ESS_ALEN_24 0x20 -+#define SABRE_ESS_ALEN_32 0x30 -+#define SABRE_ESS_RATE_11025 0x01 -+#define SABRE_ESS_RATE_22050 0x02 -+#define SABRE_ESS_RATE_32000 0x03 -+#define SABRE_ESS_RATE_44100 0x04 -+#define SABRE_ESS_RATE_48000 0x05 -+#define SABRE_ESS_RATE_88200 0x06 -+#define SABRE_ESS_RATE_96000 0x07 -+#define SABRE_ESS_RATE_176400 0x08 -+#define SABRE_ESS_RATE_192000 0x09 -+#define SABRE_ESS_RATE_352800 0x0a -+#define SABRE_ESS_RATE_384000 0x0b -+ -+extern const struct regmap_config sabre_ess_regmap; -+ -+int sabre_ess_probe(struct device *dev, struct regmap *regmap); -+void sabre_ess_remove(struct device *dev); -+ -+#endif /* _SND_SOC_SABRE_ESS_ */ |