mirror of https://github.com/hak5/openwrt.git
746 lines
21 KiB
Diff
746 lines
21 KiB
Diff
From 87d450d98ef1f69dd6f5255c3b7e665c130935ea Mon Sep 17 00:00:00 2001
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From: allocom <sparky-dev@allo.com>
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Date: Thu, 19 Apr 2018 12:12:26 +0530
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Subject: [PATCH 281/454] Drivers for Allo Katana DAC
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 6 +
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.../allo-katana-dac-audio-overlay.dts | 46 +++
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arch/arm/configs/bcm2709_defconfig | 1 +
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arch/arm/configs/bcmrpi_defconfig | 1 +
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sound/soc/bcm/Kconfig | 7 +
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sound/soc/bcm/Makefile | 2 +
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sound/soc/bcm/allo-katana-dac.c | 105 ++++++
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sound/soc/codecs/Kconfig | 10 +
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sound/soc/codecs/Makefile | 4 +
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sound/soc/codecs/sabre-ess-i2c.c | 69 ++++
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sound/soc/codecs/sabre-ess.c | 300 ++++++++++++++++++
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sound/soc/codecs/sabre-ess.h | 62 ++++
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13 files changed, 614 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
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create mode 100644 sound/soc/bcm/allo-katana-dac.c
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create mode 100644 sound/soc/codecs/sabre-ess-i2c.c
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create mode 100644 sound/soc/codecs/sabre-ess.c
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create mode 100644 sound/soc/codecs/sabre-ess.h
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -9,6 +9,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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akkordion-iqdacplus.dtbo \
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allo-boss-dac-pcm512x-audio.dtbo \
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allo-digione.dtbo \
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+ allo-katana-dac-audio.dtbo \
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allo-piano-dac-pcm512x-audio.dtbo \
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allo-piano-dac-plus-pcm512x-audio.dtbo \
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applepi-dac.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -317,6 +317,12 @@ Load: dtoverlay=allo-digione
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Params: <None>
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+Name: allo-katana
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+Info: Configures the Allo Katana audio card
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+Load: dtoverlay=allo-katana-dac-audio
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+Params: <None>
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+
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+
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Name: allo-piano-dac-pcm512x-audio
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Info: Configures the Allo Piano DAC (2.0/2.1) audio cards.
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(NB. This initial support is for 2.0 channel audio ONLY! ie. stereo.
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
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@@ -0,0 +1,46 @@
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+/*
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+ * Definitions for Allo Katana DAC boards
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+ *
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+ * NB. The Katana DAC board contains SABER DAC.
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&i2s>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&i2c1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ sabre-ess@30 {
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+ #sound-dai-cells = <0>;
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+ compatible = "saber,sabre-ess";
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+ reg = <0x30>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&sound>;
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+ katana_dac: __overlay__ {
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+ compatible = "allo,katana-dac";
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+ i2s-controller = <&i2s>;
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+ status = "okay";
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+ };
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+ };
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+
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+};
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+
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--- a/arch/arm/configs/bcm2709_defconfig
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+++ b/arch/arm/configs/bcm2709_defconfig
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@@ -894,6 +894,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m
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CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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+CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_ADAU1701=m
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--- a/arch/arm/configs/bcmrpi_defconfig
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+++ b/arch/arm/configs/bcmrpi_defconfig
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@@ -887,6 +887,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m
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CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m
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CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m
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+CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m
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CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_ADAU1701=m
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--- a/sound/soc/bcm/Kconfig
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+++ b/sound/soc/bcm/Kconfig
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@@ -175,6 +175,13 @@ config SND_BCM2708_SOC_ALLO_DIGIONE
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help
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Say Y or M if you want to add support for Allo DigiOne.
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+config SND_BCM2708_SOC_ALLO_KATANA_DAC
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+ tristate "Support for Allo Katana DAC"
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+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
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+ select SND_SOC_SABRE_ESS_I2C
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+ help
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+ Say Y or M if you want to add support for Allo Katana DAC.
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+
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config SND_BCM2708_SOC_FE_PI_AUDIO
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tristate "Support for Fe-Pi-Audio"
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depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
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--- a/sound/soc/bcm/Makefile
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+++ b/sound/soc/bcm/Makefile
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@@ -34,6 +34,7 @@ snd-soc-allo-boss-dac-objs := allo-boss-
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snd-soc-allo-piano-dac-objs := allo-piano-dac.o
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snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o
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snd-soc-allo-digione-objs := allo-digione.o
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+snd-soc-allo-katana-dac-objs := allo-katana-dac.o
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snd-soc-pisound-objs := pisound.o
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snd-soc-fe-pi-audio-objs := fe-pi-audio.o
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@@ -60,5 +61,6 @@ obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS_D
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obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o
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obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o
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obj-$(CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE) += snd-soc-allo-digione.o
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+obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-dac.o
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obj-$(CONFIG_SND_PISOUND) += snd-soc-pisound.o
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obj-$(CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO) += snd-soc-fe-pi-audio.o
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--- /dev/null
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+++ b/sound/soc/bcm/allo-katana-dac.c
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@@ -0,0 +1,105 @@
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+/*
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+ * ASoC Driver for KATANA DAC
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+ *
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+ * Author: Jaikumar <jaikumar@cem-solutions.net>
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+ * Copyright 2018
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+
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+#include <sound/core.h>
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+#include <sound/pcm.h>
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+#include <sound/pcm_params.h>
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+#include <sound/soc.h>
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+
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+static struct snd_soc_dai_link snd_allo_katana_dac_dai[] = {
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+{
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+ .name = "KATANA DAC",
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+ //.stream_name = "KATANA DAC HiFi [Master]",
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+ .stream_name = "KATANA DAC",
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+ .cpu_dai_name = "bcm2708-i2s.0",
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+ //.codec_dai_name = "es9038q2m-hifi",
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+ .codec_dai_name = "sabre-ess",
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+ .platform_name = "bcm2708-i2s.0",
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+ //.codec_name = "es9038q2m.1-0030",
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+ .codec_name = "sabre-ess.1-0030",
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+ .dai_fmt = SND_SOC_DAIFMT_I2S |
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+ SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBM_CFM,
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+},
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+};
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+
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+/* audio machine driver */
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+static struct snd_soc_card snd_allo_katana_dac = {
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+ .name = "snd_allo_katana_dac",
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+ .owner = THIS_MODULE,
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+ .dai_link = snd_allo_katana_dac_dai,
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+ .num_links = ARRAY_SIZE(snd_allo_katana_dac_dai),
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+};
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+
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+static int snd_allo_katana_dac_probe(struct platform_device *pdev)
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+{
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+ int ret = 0;
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+
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+ snd_allo_katana_dac.dev = &pdev->dev;
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+
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+ if (pdev->dev.of_node) {
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+ struct device_node *i2s_node;
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+ struct snd_soc_dai_link *dai = &snd_allo_katana_dac_dai[0];
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+
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+ i2s_node = of_parse_phandle(pdev->dev.of_node,
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+ "i2s-controller", 0);
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+
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+ if (i2s_node) {
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+ dai->cpu_dai_name = NULL;
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+ dai->cpu_of_node = i2s_node;
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+ dai->platform_name = NULL;
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+ dai->platform_of_node = i2s_node;
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+ }
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+ }
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+
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+ ret = snd_soc_register_card(&snd_allo_katana_dac);
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+ if (ret && ret != -EPROBE_DEFER)
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+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
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+ ret);
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+
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+ return ret;
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+}
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+
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+static int snd_allo_katana_dac_remove(struct platform_device *pdev)
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+{
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+ return snd_soc_unregister_card(&snd_allo_katana_dac);
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+}
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+
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+static const struct of_device_id snd_allo_katana_dac_of_match[] = {
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+ { .compatible = "allo,katana-dac", },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, snd_allo_katana_dac_of_match);
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+
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+static struct platform_driver snd_allo_katana_dac_driver = {
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+ .driver = {
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+ .name = "snd-katana-dac",
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+ .owner = THIS_MODULE,
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+ .of_match_table = snd_allo_katana_dac_of_match,
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+ },
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+ .probe = snd_allo_katana_dac_probe,
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+ .remove = snd_allo_katana_dac_remove,
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+};
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+
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+module_platform_driver(snd_allo_katana_dac_driver);
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+
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+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
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+MODULE_DESCRIPTION("ALSA ASoC Machine Driver for Allo Katana DAC");
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+MODULE_LICENSE("GPL v2");
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+
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -77,6 +77,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_ES8328_SPI if SPI_MASTER
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select SND_SOC_ES8328_I2C if I2C
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select SND_SOC_ES7134
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+ select SND_SOC_SABRE_ESS_I2C if I2C
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select SND_SOC_GTM601
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select SND_SOC_HDAC_HDMI
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select SND_SOC_ICS43432
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@@ -1186,4 +1187,13 @@ config SND_SOC_TPA6130A2
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tristate "Texas Instruments TPA6130A2 headphone amplifier"
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depends on I2C
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+config SND_SOC_SABRE_ESS
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+ tristate
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+
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+config SND_SOC_SABRE_ESS_I2C
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+ tristate "Sabre SABRE ESS CODEC - I2C"
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+ depends on I2C
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+ select SND_SOC_SABRE_ESS
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+ select REGMAP_I2C
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+
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endmenu
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--- a/sound/soc/codecs/Makefile
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+++ b/sound/soc/codecs/Makefile
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@@ -71,6 +71,8 @@ snd-soc-es8316-objs := es8316.o
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snd-soc-es8328-objs := es8328.o
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snd-soc-es8328-i2c-objs := es8328-i2c.o
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snd-soc-es8328-spi-objs := es8328-spi.o
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+snd-soc-sabre-ess-objs := sabre-ess.o
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+snd-soc-sabre-ess-i2c-objs := sabre-ess-i2c.o
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snd-soc-gtm601-objs := gtm601.o
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snd-soc-hdac-hdmi-objs := hdac_hdmi.o
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snd-soc-ics43432-objs := ics43432.o
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@@ -313,6 +315,8 @@ obj-$(CONFIG_SND_SOC_ES8316) += snd-s
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obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o
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obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o
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obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o
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+obj-$(CONFIG_SND_SOC_SABRE_ESS) += snd-soc-sabre-ess.o
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+obj-$(CONFIG_SND_SOC_SABRE_ESS_I2C) += snd-soc-sabre-ess-i2c.o
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obj-$(CONFIG_SND_SOC_GTM601) += snd-soc-gtm601.o
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obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o
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obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o
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--- /dev/null
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+++ b/sound/soc/codecs/sabre-ess-i2c.c
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@@ -0,0 +1,69 @@
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+/*
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+ * Driver for the SABRE ESS CODECs
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+ *
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+ * Author: Jaikumar <jaikumar@cem-solutions.net>
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+ * Copyright 2018
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/i2c.h>
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+
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+#include "sabre-ess.h"
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+
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+static int sabre_ess_i2c_probe(struct i2c_client *i2c,
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+ const struct i2c_device_id *id)
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+{
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+ struct regmap *regmap;
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+ struct regmap_config config = sabre_ess_regmap;
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+
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+ regmap = devm_regmap_init_i2c(i2c, &config);
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+ if (IS_ERR(regmap))
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+ return PTR_ERR(regmap);
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+
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+ return sabre_ess_probe(&i2c->dev, regmap);
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+}
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+
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+static int sabre_ess_i2c_remove(struct i2c_client *i2c)
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+{
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+ sabre_ess_remove(&i2c->dev);
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+ return 0;
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+}
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+
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+static const struct i2c_device_id sabre_ess_i2c_id[] = {
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+ { "sabre-ess", },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(i2c, sabre_ess_i2c_id);
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+
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+static const struct of_device_id sabre_ess_of_match[] = {
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+ { .compatible = "saber,sabre-ess", },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(of, sabre_ess_of_match);
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+
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+static struct i2c_driver sabre_ess_i2c_driver = {
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+ .probe = sabre_ess_i2c_probe,
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+ .remove = sabre_ess_i2c_remove,
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+ .id_table = sabre_ess_i2c_id,
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+ .driver = {
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+ .name = "sabre-ess",
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+ .of_match_table = sabre_ess_of_match,
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+ },
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+};
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+
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+module_i2c_driver(sabre_ess_i2c_driver);
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+
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+MODULE_DESCRIPTION("ASoC SABRE ESS codec driver - I2C");
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+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
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+MODULE_LICENSE("GPL v2");
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+
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--- /dev/null
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+++ b/sound/soc/codecs/sabre-ess.c
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@@ -0,0 +1,300 @@
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+/*
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+ * Driver for the SABRE ESS CODEC
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+ *
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+ * Author: Jaikumar <jaikumar@cem-solutions.net>
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+ * Copyright 2018
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
|
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/clk.h>
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+#include <linux/kernel.h>
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+#include <linux/pm_runtime.h>
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+#include <linux/regmap.h>
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+#include <linux/regulator/consumer.h>
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+#include <linux/gcd.h>
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+#include <sound/soc.h>
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+#include <sound/soc-dapm.h>
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+#include <sound/pcm_params.h>
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+#include <sound/tlv.h>
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+
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+#include "sabre-ess.h"
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+
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+struct sabre_ess_priv {
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+ struct regmap *regmap;
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+ int fmt;
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+};
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+
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+static const struct reg_default sabre_ess_reg_defaults[] = {
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+ { SABRE_ESS_RESET, 0x00 },
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+ { SABRE_ESS_VOLUME_1, 0xF0 },
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+ { SABRE_ESS_VOLUME_2, 0xF0 },
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+ { SABRE_ESS_MUTE, 0x00 },
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+ { SABRE_ESS_DSP_PROGRAM, 0x04 },
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+ { SABRE_ESS_DEEMPHASIS, 0x00 },
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+ { SABRE_ESS_DOP, 0x01 },
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+ { SABRE_ESS_FORMAT, 0xb4 },
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+};
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+
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+static const char * const sabre_ess_dsp_program_texts[] = {
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+ "Linear Phase Fast Roll-off Filter",
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+ "Linear Phase Slow Roll-off Filter",
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+ "Minimum Phase Fast Roll-off Filter",
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+ "Minimum Phase Slow Roll-off Filter",
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+ "Apodizing Fast Roll-off Filter",
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+ "Corrected Minimum Phase Fast Roll-off Filter",
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+ "Brick Wall Filter",
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+};
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+
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+static const unsigned int sabre_ess_dsp_program_values[] = {
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+ 0,
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+ 1,
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+ 2,
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+ 3,
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+ 4,
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+ 6,
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+ 7,
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+};
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+
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+static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_dsp_program,
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+ SABRE_ESS_DSP_PROGRAM, 0, 0x07,
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+ sabre_ess_dsp_program_texts,
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+ sabre_ess_dsp_program_values);
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+
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+static const char * const sabre_ess_deemphasis_texts[] = {
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+ "Bypass",
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+ "32kHz",
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+ "44.1kHz",
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+ "48kHz",
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+};
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+
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+static const unsigned int sabre_ess_deemphasis_values[] = {
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+ 0,
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+ 1,
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+ 2,
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+ 3,
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+};
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+
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+static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_deemphasis,
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+ SABRE_ESS_DEEMPHASIS, 0, 0x03,
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+ sabre_ess_deemphasis_texts,
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+ sabre_ess_deemphasis_values);
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+
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+static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12700, 0);
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+
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+static const struct snd_kcontrol_new sabre_ess_controls[] = {
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+ SOC_DOUBLE_R_TLV("Master Playback Volume", SABRE_ESS_VOLUME_1,
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+ SABRE_ESS_VOLUME_2, 0, 255, 1, master_tlv),
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+ SOC_DOUBLE("Master Playback Switch", SABRE_ESS_MUTE, 0, 0, 1, 1),
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+ SOC_ENUM("DSP Program Route", sabre_ess_dsp_program),
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+ SOC_ENUM("Deemphasis Route", sabre_ess_deemphasis),
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+ SOC_SINGLE("DoP Playback Switch", SABRE_ESS_DOP, 0, 1, 1)
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+};
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+
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+static bool sabre_ess_readable_register(struct device *dev, unsigned int reg)
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+{
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+ switch (reg) {
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+ case SABRE_ESS_CHIP_ID_REG:
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+ return true;
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+ default:
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+ return reg < 0xff;
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+ }
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+}
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+
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+static int sabre_ess_hw_params(struct snd_pcm_substream *substream,
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+ struct snd_pcm_hw_params *params,
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+ struct snd_soc_dai *dai)
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+{
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+ struct snd_soc_codec *codec = dai->codec;
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+ struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec);
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+ int fmt = 0;
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+ int ret;
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+
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+ dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n",
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+ params_rate(params),
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+ params_channels(params));
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+
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+ switch (sabre_ess->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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+ case SND_SOC_DAIFMT_CBM_CFM: // master
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+ if (params_channels(params) == 2)
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+ fmt = SABRE_ESS_CHAN_STEREO;
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+ else
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+ fmt = SABRE_ESS_CHAN_MONO;
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+
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+ switch (params_width(params)) {
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+ case 16:
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+ fmt |= SABRE_ESS_ALEN_16;
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+ break;
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+ case 24:
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+ fmt |= SABRE_ESS_ALEN_24;
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+ break;
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+ case 32:
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+ fmt |= SABRE_ESS_ALEN_32;
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+ break;
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+ default:
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+ dev_err(codec->dev, "Bad frame size: %d\n",
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+ params_width(params));
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+ return -EINVAL;
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+ }
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+
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+ switch (params_rate(params)) {
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+ case 44100:
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+ fmt |= SABRE_ESS_RATE_44100;
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+ break;
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+ case 48000:
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+ fmt |= SABRE_ESS_RATE_48000;
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+ break;
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+ case 88200:
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+ fmt |= SABRE_ESS_RATE_88200;
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+ break;
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+ case 96000:
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+ fmt |= SABRE_ESS_RATE_96000;
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+ break;
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+ case 176400:
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+ fmt |= SABRE_ESS_RATE_176400;
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+ break;
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+ case 192000:
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+ fmt |= SABRE_ESS_RATE_192000;
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+ break;
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+ case 352800:
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+ fmt |= SABRE_ESS_RATE_352800;
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+ break;
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+ case 384000:
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+ fmt |= SABRE_ESS_RATE_384000;
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+ break;
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+ default:
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+ dev_err(codec->dev, "Bad sample rate: %d\n",
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+ params_rate(params));
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+ return -EINVAL;
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+ }
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+
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+ ret = regmap_write(sabre_ess->regmap, SABRE_ESS_FORMAT, fmt);
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+ if (ret != 0) {
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+ dev_err(codec->dev, "Failed to set format: %d\n", ret);
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+ return ret;
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+ }
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+ break;
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+
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ return 0;
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+}
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+
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+static int sabre_ess_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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+{
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+ struct snd_soc_codec *codec = dai->codec;
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+ struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec);
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+
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+ sabre_ess->fmt = fmt;
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+
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+ return 0;
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+}
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+
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+static const struct snd_soc_dai_ops sabre_ess_dai_ops = {
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+ .hw_params = sabre_ess_hw_params,
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+ .set_fmt = sabre_ess_set_fmt,
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+};
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+
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+static struct snd_soc_dai_driver sabre_ess_dai = {
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+ .name = "sabre-ess",
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+ .playback = {
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+ .stream_name = "Playback",
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+ .channels_min = 2,
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+ .channels_max = 2,
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+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
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+ .rate_min = 44100,
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+ .rate_max = 384000,
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+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
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+ SNDRV_PCM_FMTBIT_S32_LE
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+ },
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+ .ops = &sabre_ess_dai_ops,
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+};
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+
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+static struct snd_soc_codec_driver sabre_ess_codec_driver = {
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+ .idle_bias_off = false,
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+
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+ .component_driver = {
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+ .controls = sabre_ess_controls,
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+ .num_controls = ARRAY_SIZE(sabre_ess_controls),
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+ },
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+};
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+
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+static const struct regmap_range_cfg sabre_ess_range = {
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+ .name = "Pages", .range_min = SABRE_ESS_VIRT_BASE,
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+ .range_max = SABRE_ESS_MAX_REGISTER,
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+ .selector_reg = SABRE_ESS_PAGE,
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+ .selector_mask = 0xff,
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+ .window_start = 0, .window_len = 0x100,
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+};
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+
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+const struct regmap_config sabre_ess_regmap = {
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+ .reg_bits = 8,
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+ .val_bits = 8,
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+
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+ .ranges = &sabre_ess_range,
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+ .num_ranges = 1,
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+
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+ .max_register = SABRE_ESS_MAX_REGISTER,
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+ .readable_reg = sabre_ess_readable_register,
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+ .reg_defaults = sabre_ess_reg_defaults,
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+ .num_reg_defaults = ARRAY_SIZE(sabre_ess_reg_defaults),
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+ .cache_type = REGCACHE_RBTREE,
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+};
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+EXPORT_SYMBOL_GPL(sabre_ess_regmap);
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+
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+int sabre_ess_probe(struct device *dev, struct regmap *regmap)
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+{
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+ struct sabre_ess_priv *sabre_ess;
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+ unsigned int chip_id = 0;
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+ int ret;
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+
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+ sabre_ess = devm_kzalloc(dev, sizeof(struct sabre_ess_priv),
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+ GFP_KERNEL);
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+ if (!sabre_ess)
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+ return -ENOMEM;
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+
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+ dev_set_drvdata(dev, sabre_ess);
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+ sabre_ess->regmap = regmap;
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+
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+ ret = regmap_read(regmap, SABRE_ESS_CHIP_ID_REG, &chip_id);
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+ if ((ret != 0) || (chip_id != SABRE_ESS_CHIP_ID)) {
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+ dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret);
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+ return ret;
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+ }
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+ regmap_update_bits(regmap, SABRE_ESS_RESET, 0x01, 0x01);
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+ msleep(10);
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+
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+ ret = snd_soc_register_codec(dev, &sabre_ess_codec_driver,
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+ &sabre_ess_dai, 1);
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+ if (ret != 0) {
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+ dev_err(dev, "failed to register codec: %d\n", ret);
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+ return ret;
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+ }
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+
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+ return 0;
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+}
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+EXPORT_SYMBOL_GPL(sabre_ess_probe);
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+
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+void sabre_ess_remove(struct device *dev)
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+{
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+ snd_soc_unregister_codec(dev);
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+ pm_runtime_disable(dev);
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+}
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+EXPORT_SYMBOL_GPL(sabre_ess_remove);
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+
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+MODULE_DESCRIPTION("ASoC SABRE ESS codec driver");
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+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
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+MODULE_LICENSE("GPL v2");
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+
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--- /dev/null
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+++ b/sound/soc/codecs/sabre-ess.h
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@@ -0,0 +1,62 @@
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+/*
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+ * Driver for the SABRE ESS CODEC
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+ *
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+ * Author: Jaikumar <jaikumar@cem-solutions.net>
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+ * Copyright 2018
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+#ifndef _SND_SOC_SABRE_ESS_
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+#define _SND_SOC_SABRE_ESS_
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+
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+#include <linux/pm.h>
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+#include <linux/regmap.h>
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+
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+#define SABRE_ESS_CHIP_ID 0x30
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+#define SABRE_ESS_VIRT_BASE 0x100
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+#define SABRE_ESS_PAGE 0
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+
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+#define SABRE_ESS_CHIP_ID_REG (SABRE_ESS_VIRT_BASE + 0)
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+#define SABRE_ESS_RESET (SABRE_ESS_VIRT_BASE + 1)
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+#define SABRE_ESS_VOLUME_1 (SABRE_ESS_VIRT_BASE + 2)
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+#define SABRE_ESS_VOLUME_2 (SABRE_ESS_VIRT_BASE + 3)
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+#define SABRE_ESS_MUTE (SABRE_ESS_VIRT_BASE + 4)
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+#define SABRE_ESS_DSP_PROGRAM (SABRE_ESS_VIRT_BASE + 5)
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+#define SABRE_ESS_DEEMPHASIS (SABRE_ESS_VIRT_BASE + 6)
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+#define SABRE_ESS_DOP (SABRE_ESS_VIRT_BASE + 7)
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+#define SABRE_ESS_FORMAT (SABRE_ESS_VIRT_BASE + 8)
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+#define SABRE_ESS_COMMAND (SABRE_ESS_VIRT_BASE + 9)
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+#define SABRE_ESS_MAX_REGISTER (SABRE_ESS_VIRT_BASE + 9)
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+
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+#define SABRE_ESS_FMT 0xff
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+#define SABRE_ESS_CHAN_MONO 0x00
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+#define SABRE_ESS_CHAN_STEREO 0x80
|
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+#define SABRE_ESS_ALEN_16 0x10
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+#define SABRE_ESS_ALEN_24 0x20
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+#define SABRE_ESS_ALEN_32 0x30
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+#define SABRE_ESS_RATE_11025 0x01
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+#define SABRE_ESS_RATE_22050 0x02
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+#define SABRE_ESS_RATE_32000 0x03
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+#define SABRE_ESS_RATE_44100 0x04
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+#define SABRE_ESS_RATE_48000 0x05
|
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+#define SABRE_ESS_RATE_88200 0x06
|
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+#define SABRE_ESS_RATE_96000 0x07
|
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+#define SABRE_ESS_RATE_176400 0x08
|
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+#define SABRE_ESS_RATE_192000 0x09
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+#define SABRE_ESS_RATE_352800 0x0a
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+#define SABRE_ESS_RATE_384000 0x0b
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+
|
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+extern const struct regmap_config sabre_ess_regmap;
|
|
+
|
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+int sabre_ess_probe(struct device *dev, struct regmap *regmap);
|
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+void sabre_ess_remove(struct device *dev);
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+
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+#endif /* _SND_SOC_SABRE_ESS_ */
|