ASoC: Initial WM8741 CODEC driver
The WM8741 is a very high performance stereo DAC designed for audio applications such as professional recording systems, A/V receivers and high specification CD, DVD and home theatre systems. The device supports PCM data input word lengths from 16 to 32-bits and sampling rates up to 192kHz. The WM8741 also supports DSD bit-stream data format, in both direct DSD and PCM-converted DSD modes. TODO: Expand wm8741_set_dai_sysclk and rate_constraint members to allow for all supported sample rate / Master Clock frequency combinations. Fully enable control of supplies. Signed-off-by: Ian Lartey <ian@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ian Lartey
Mark Brown
parent
988b0dc154
commit
992bee401c
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@ -50,6 +50,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_WM8727
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select SND_SOC_WM8728 if SND_SOC_I2C_AND_SPI
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select SND_SOC_WM8731 if SND_SOC_I2C_AND_SPI
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select SND_SOC_WM8741 if SND_SOC_I2C_AND_SPI
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select SND_SOC_WM8750 if SND_SOC_I2C_AND_SPI
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select SND_SOC_WM8753 if SND_SOC_I2C_AND_SPI
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select SND_SOC_WM8776 if SND_SOC_I2C_AND_SPI
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@ -214,6 +215,9 @@ config SND_SOC_WM8728
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config SND_SOC_WM8731
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tristate
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config SND_SOC_WM8741
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tristate
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config SND_SOC_WM8750
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tristate
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@ -35,6 +35,7 @@ snd-soc-wm8711-objs := wm8711.o
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snd-soc-wm8727-objs := wm8727.o
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snd-soc-wm8728-objs := wm8728.o
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snd-soc-wm8731-objs := wm8731.o
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snd-soc-wm8741-objs := wm8741.o
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snd-soc-wm8750-objs := wm8750.o
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snd-soc-wm8753-objs := wm8753.o
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snd-soc-wm8776-objs := wm8776.o
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@ -103,6 +104,7 @@ obj-$(CONFIG_SND_SOC_WM8711) += snd-soc-wm8711.o
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obj-$(CONFIG_SND_SOC_WM8727) += snd-soc-wm8727.o
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obj-$(CONFIG_SND_SOC_WM8728) += snd-soc-wm8728.o
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obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
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obj-$(CONFIG_SND_SOC_WM8741) += snd-soc-wm8741.o
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obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o
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obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o
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obj-$(CONFIG_SND_SOC_WM8776) += snd-soc-wm8776.o
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@ -0,0 +1,579 @@
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/*
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* wm8741.c -- WM8741 ALSA SoC Audio driver
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*
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* Copyright 2010 Wolfson Microelectronics plc
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*
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* Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/slab.h>
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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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#include <sound/soc-dapm.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include "wm8741.h"
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static struct snd_soc_codec *wm8741_codec;
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struct snd_soc_codec_device soc_codec_dev_wm8741;
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#define WM8741_NUM_SUPPLIES 2
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static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = {
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"AVDD",
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"DVDD",
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};
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#define WM8741_NUM_RATES 4
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/* codec private data */
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struct wm8741_priv {
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struct snd_soc_codec codec;
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u16 reg_cache[WM8741_REGISTER_COUNT];
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struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES];
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unsigned int sysclk;
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unsigned int rate_constraint_list[WM8741_NUM_RATES];
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struct snd_pcm_hw_constraint_list rate_constraint;
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};
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static const u16 wm8741_reg_defaults[WM8741_REGISTER_COUNT] = {
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0x0000, /* R0 - DACLLSB Attenuation */
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0x0000, /* R1 - DACLMSB Attenuation */
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0x0000, /* R2 - DACRLSB Attenuation */
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0x0000, /* R3 - DACRMSB Attenuation */
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0x0000, /* R4 - Volume Control */
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0x000A, /* R5 - Format Control */
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0x0000, /* R6 - Filter Control */
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0x0000, /* R7 - Mode Control 1 */
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0x0002, /* R8 - Mode Control 2 */
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0x0000, /* R9 - Reset */
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0x0002, /* R32 - ADDITONAL_CONTROL_1 */
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};
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static int wm8741_reset(struct snd_soc_codec *codec)
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{
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return snd_soc_write(codec, WM8741_RESET, 0);
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}
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static const DECLARE_TLV_DB_SCALE(dac_tlv_fine, -12700, 13, 0);
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static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 400, 0);
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static const struct snd_kcontrol_new wm8741_snd_controls[] = {
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SOC_DOUBLE_R_TLV("Fine Playback Volume", WM8741_DACLLSB_ATTENUATION,
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WM8741_DACRLSB_ATTENUATION, 1, 255, 1, dac_tlv_fine),
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SOC_DOUBLE_R_TLV("Playback Volume", WM8741_DACLMSB_ATTENUATION,
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WM8741_DACRMSB_ATTENUATION, 0, 511, 1, dac_tlv),
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};
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static const struct snd_soc_dapm_widget wm8741_dapm_widgets[] = {
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SND_SOC_DAPM_DAC("DACL", "Playback", SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_DAC("DACR", "Playback", SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_OUTPUT("VOUTLP"),
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SND_SOC_DAPM_OUTPUT("VOUTLN"),
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SND_SOC_DAPM_OUTPUT("VOUTRP"),
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SND_SOC_DAPM_OUTPUT("VOUTRN"),
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};
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static const struct snd_soc_dapm_route intercon[] = {
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{ "VOUTLP", NULL, "DACL" },
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{ "VOUTLN", NULL, "DACL" },
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{ "VOUTRP", NULL, "DACR" },
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{ "VOUTRN", NULL, "DACR" },
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};
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static int wm8741_add_widgets(struct snd_soc_codec *codec)
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{
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snd_soc_dapm_new_controls(codec, wm8741_dapm_widgets,
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ARRAY_SIZE(wm8741_dapm_widgets));
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snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
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return 0;
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}
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static struct {
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int value;
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int ratio;
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} lrclk_ratios[WM8741_NUM_RATES] = {
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{ 1, 256 },
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{ 2, 384 },
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{ 3, 512 },
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{ 4, 768 },
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};
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static int wm8741_startup(struct snd_pcm_substream *substream,
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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 wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
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/* The set of sample rates that can be supported depends on the
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* MCLK supplied to the CODEC - enforce this.
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*/
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if (!wm8741->sysclk) {
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dev_err(codec->dev,
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"No MCLK configured, call set_sysclk() on init\n");
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return -EINVAL;
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}
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snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE,
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&wm8741->rate_constraint);
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return 0;
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}
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static int wm8741_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_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_device *socdev = rtd->socdev;
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struct snd_soc_codec *codec = socdev->card->codec;
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struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
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u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1FC;
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int i;
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/* Find a supported LRCLK ratio */
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for (i = 0; i < ARRAY_SIZE(lrclk_ratios); i++) {
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if (wm8741->sysclk / params_rate(params) ==
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lrclk_ratios[i].ratio)
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break;
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}
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/* Should never happen, should be handled by constraints */
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if (i == ARRAY_SIZE(lrclk_ratios)) {
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dev_err(codec->dev, "MCLK/fs ratio %d unsupported\n",
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wm8741->sysclk / params_rate(params));
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return -EINVAL;
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}
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/* bit size */
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switch (params_format(params)) {
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case SNDRV_PCM_FORMAT_S16_LE:
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break;
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case SNDRV_PCM_FORMAT_S20_3LE:
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iface |= 0x0001;
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break;
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case SNDRV_PCM_FORMAT_S24_LE:
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iface |= 0x0002;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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iface |= 0x0003;
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break;
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default:
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dev_dbg(codec->dev, "wm8741_hw_params: Unsupported bit size param = %d",
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params_format(params));
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return -EINVAL;
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}
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dev_dbg(codec->dev, "wm8741_hw_params: bit size param = %d",
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params_format(params));
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snd_soc_write(codec, WM8741_FORMAT_CONTROL, iface);
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return 0;
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}
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static int wm8741_set_dai_sysclk(struct snd_soc_dai *codec_dai,
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int clk_id, unsigned int freq, int dir)
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{
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struct snd_soc_codec *codec = codec_dai->codec;
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struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
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unsigned int val;
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int i;
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dev_dbg(codec->dev, "wm8741_set_dai_sysclk info: freq=%dHz\n", freq);
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wm8741->sysclk = freq;
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wm8741->rate_constraint.count = 0;
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for (i = 0; i < ARRAY_SIZE(lrclk_ratios); i++) {
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dev_dbg(codec->dev, "index = %d, ratio = %d, freq = %d",
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i, lrclk_ratios[i].ratio, freq);
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val = freq / lrclk_ratios[i].ratio;
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/* Check that it's a standard rate since core can't
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* cope with others and having the odd rates confuses
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* constraint matching.
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*/
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switch (val) {
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case 32000:
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case 44100:
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case 48000:
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case 64000:
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case 88200:
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case 96000:
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dev_dbg(codec->dev, "Supported sample rate: %dHz\n",
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val);
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wm8741->rate_constraint_list[i] = val;
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wm8741->rate_constraint.count++;
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break;
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default:
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dev_dbg(codec->dev, "Skipping sample rate: %dHz\n",
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val);
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}
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}
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/* Need at least one supported rate... */
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if (wm8741->rate_constraint.count == 0)
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return -EINVAL;
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return 0;
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}
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static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,
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unsigned int fmt)
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{
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struct snd_soc_codec *codec = codec_dai->codec;
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u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1C3;
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/* check master/slave audio interface */
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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case SND_SOC_DAIFMT_CBS_CFS:
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break;
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default:
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return -EINVAL;
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}
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/* interface format */
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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iface |= 0x0008;
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break;
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case SND_SOC_DAIFMT_RIGHT_J:
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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iface |= 0x0004;
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break;
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case SND_SOC_DAIFMT_DSP_A:
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iface |= 0x0003;
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break;
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case SND_SOC_DAIFMT_DSP_B:
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iface |= 0x0013;
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break;
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default:
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return -EINVAL;
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}
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/* clock inversion */
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF:
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break;
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case SND_SOC_DAIFMT_IB_IF:
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iface |= 0x0010;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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iface |= 0x0020;
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break;
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case SND_SOC_DAIFMT_NB_IF:
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iface |= 0x0030;
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break;
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default:
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return -EINVAL;
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}
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dev_dbg(codec->dev, "wm8741_set_dai_fmt: Format=%x, Clock Inv=%x\n",
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fmt & SND_SOC_DAIFMT_FORMAT_MASK,
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((fmt & SND_SOC_DAIFMT_INV_MASK)));
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snd_soc_write(codec, WM8741_FORMAT_CONTROL, iface);
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return 0;
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}
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#define WM8741_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
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SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
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SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \
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SNDRV_PCM_RATE_192000)
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#define WM8741_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
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SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
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static struct snd_soc_dai_ops wm8741_dai_ops = {
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.startup = wm8741_startup,
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.hw_params = wm8741_hw_params,
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.set_sysclk = wm8741_set_dai_sysclk,
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.set_fmt = wm8741_set_dai_fmt,
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};
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struct snd_soc_dai wm8741_dai = {
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.name = "WM8741",
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.playback = {
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.stream_name = "Playback",
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.channels_min = 2, /* Mono modes not yet supported */
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.channels_max = 2,
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.rates = WM8741_RATES,
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.formats = WM8741_FORMATS,
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},
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.ops = &wm8741_dai_ops,
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};
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EXPORT_SYMBOL_GPL(wm8741_dai);
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#ifdef CONFIG_PM
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static int wm8741_resume(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec = socdev->card->codec;
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u16 *cache = codec->reg_cache;
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int i;
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/* RESTORE REG Cache */
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for (i = 0; i < WM8741_REGISTER_COUNT; i++) {
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if (cache[i] == wm8741_reg_defaults[i] || WM8741_RESET == i)
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continue;
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snd_soc_write(codec, i, cache[i]);
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}
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return 0;
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}
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#else
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#define wm8741_suspend NULL
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#define wm8741_resume NULL
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#endif
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static int wm8741_probe(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec;
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int ret = 0;
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if (wm8741_codec == NULL) {
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dev_err(&pdev->dev, "Codec device not registered\n");
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return -ENODEV;
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}
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socdev->card->codec = wm8741_codec;
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codec = wm8741_codec;
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/* register pcms */
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ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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if (ret < 0) {
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dev_err(codec->dev, "failed to create pcms: %d\n", ret);
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goto pcm_err;
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}
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snd_soc_add_controls(codec, wm8741_snd_controls,
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ARRAY_SIZE(wm8741_snd_controls));
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wm8741_add_widgets(codec);
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return ret;
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pcm_err:
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return ret;
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}
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static int wm8741_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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snd_soc_free_pcms(socdev);
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snd_soc_dapm_free(socdev);
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return 0;
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}
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struct snd_soc_codec_device soc_codec_dev_wm8741 = {
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.probe = wm8741_probe,
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.remove = wm8741_remove,
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.resume = wm8741_resume,
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};
|
||||
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8741);
|
||||
|
||||
static int wm8741_register(struct wm8741_priv *wm8741,
|
||||
enum snd_soc_control_type control)
|
||||
{
|
||||
int ret;
|
||||
struct snd_soc_codec *codec = &wm8741->codec;
|
||||
int i;
|
||||
|
||||
if (wm8741_codec) {
|
||||
dev_err(codec->dev, "Another WM8741 is registered\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
mutex_init(&codec->mutex);
|
||||
INIT_LIST_HEAD(&codec->dapm_widgets);
|
||||
INIT_LIST_HEAD(&codec->dapm_paths);
|
||||
|
||||
snd_soc_codec_set_drvdata(codec, wm8741);
|
||||
codec->name = "WM8741";
|
||||
codec->owner = THIS_MODULE;
|
||||
codec->bias_level = SND_SOC_BIAS_OFF;
|
||||
codec->set_bias_level = NULL;
|
||||
codec->dai = &wm8741_dai;
|
||||
codec->num_dai = 1;
|
||||
codec->reg_cache_size = WM8741_REGISTER_COUNT;
|
||||
codec->reg_cache = &wm8741->reg_cache;
|
||||
|
||||
wm8741->rate_constraint.list = &wm8741->rate_constraint_list[0];
|
||||
wm8741->rate_constraint.count =
|
||||
ARRAY_SIZE(wm8741->rate_constraint_list);
|
||||
|
||||
memcpy(codec->reg_cache, wm8741_reg_defaults,
|
||||
sizeof(wm8741->reg_cache));
|
||||
|
||||
ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++)
|
||||
wm8741->supplies[i].supply = wm8741_supply_names[i];
|
||||
|
||||
ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8741->supplies),
|
||||
wm8741->supplies);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies),
|
||||
wm8741->supplies);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
|
||||
goto err_get;
|
||||
}
|
||||
|
||||
ret = wm8741_reset(codec);
|
||||
if (ret < 0) {
|
||||
dev_err(codec->dev, "Failed to issue reset\n");
|
||||
goto err_enable;
|
||||
}
|
||||
|
||||
wm8741_dai.dev = codec->dev;
|
||||
|
||||
/* Change some default settings - latch VU */
|
||||
wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
|
||||
wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
|
||||
wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
|
||||
wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
|
||||
|
||||
wm8741_codec = codec;
|
||||
|
||||
ret = snd_soc_register_codec(codec);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to register codec: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_register_dai(&wm8741_dai);
|
||||
if (ret != 0) {
|
||||
dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
|
||||
snd_soc_unregister_codec(codec);
|
||||
return ret;
|
||||
}
|
||||
|
||||
dev_dbg(codec->dev, "Successful registration\n");
|
||||
return 0;
|
||||
|
||||
err_enable:
|
||||
regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
|
||||
|
||||
err_get:
|
||||
regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
|
||||
|
||||
err:
|
||||
kfree(wm8741);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void wm8741_unregister(struct wm8741_priv *wm8741)
|
||||
{
|
||||
regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
|
||||
|
||||
snd_soc_unregister_dai(&wm8741_dai);
|
||||
snd_soc_unregister_codec(&wm8741->codec);
|
||||
kfree(wm8741);
|
||||
wm8741_codec = NULL;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
||||
static __devinit int wm8741_i2c_probe(struct i2c_client *i2c,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct wm8741_priv *wm8741;
|
||||
struct snd_soc_codec *codec;
|
||||
|
||||
wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
|
||||
if (wm8741 == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
codec = &wm8741->codec;
|
||||
codec->hw_write = (hw_write_t)i2c_master_send;
|
||||
|
||||
i2c_set_clientdata(i2c, wm8741);
|
||||
codec->control_data = i2c;
|
||||
|
||||
codec->dev = &i2c->dev;
|
||||
|
||||
return wm8741_register(wm8741, SND_SOC_I2C);
|
||||
}
|
||||
|
||||
static __devexit int wm8741_i2c_remove(struct i2c_client *client)
|
||||
{
|
||||
struct wm8741_priv *wm8741 = i2c_get_clientdata(client);
|
||||
wm8741_unregister(wm8741);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id wm8741_i2c_id[] = {
|
||||
{ "wm8741", 0 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id);
|
||||
|
||||
|
||||
static struct i2c_driver wm8741_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "WM8741",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.probe = wm8741_i2c_probe,
|
||||
.remove = __devexit_p(wm8741_i2c_remove),
|
||||
.id_table = wm8741_i2c_id,
|
||||
};
|
||||
#endif
|
||||
|
||||
static int __init wm8741_modinit(void)
|
||||
{
|
||||
int ret;
|
||||
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
||||
ret = i2c_add_driver(&wm8741_i2c_driver);
|
||||
if (ret != 0) {
|
||||
printk(KERN_ERR "Failed to register WM8741 I2C driver: %d\n",
|
||||
ret);
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
module_init(wm8741_modinit);
|
||||
|
||||
static void __exit wm8741_exit(void)
|
||||
{
|
||||
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
||||
i2c_del_driver(&wm8741_i2c_driver);
|
||||
#endif
|
||||
}
|
||||
module_exit(wm8741_exit);
|
||||
|
||||
MODULE_DESCRIPTION("ASoC WM8741 driver");
|
||||
MODULE_AUTHOR("Ian Lartey <ian@opensource.wolfsonmicro.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -0,0 +1,214 @@
|
|||
/*
|
||||
* wm8741.h -- WM8423 ASoC driver
|
||||
*
|
||||
* Copyright 2010 Wolfson Microelectronics, plc
|
||||
*
|
||||
* Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
|
||||
*
|
||||
* Based on wm8753.h
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef _WM8741_H
|
||||
#define _WM8741_H
|
||||
|
||||
/*
|
||||
* Register values.
|
||||
*/
|
||||
#define WM8741_DACLLSB_ATTENUATION 0x00
|
||||
#define WM8741_DACLMSB_ATTENUATION 0x01
|
||||
#define WM8741_DACRLSB_ATTENUATION 0x02
|
||||
#define WM8741_DACRMSB_ATTENUATION 0x03
|
||||
#define WM8741_VOLUME_CONTROL 0x04
|
||||
#define WM8741_FORMAT_CONTROL 0x05
|
||||
#define WM8741_FILTER_CONTROL 0x06
|
||||
#define WM8741_MODE_CONTROL_1 0x07
|
||||
#define WM8741_MODE_CONTROL_2 0x08
|
||||
#define WM8741_RESET 0x09
|
||||
#define WM8741_ADDITIONAL_CONTROL_1 0x20
|
||||
|
||||
#define WM8741_REGISTER_COUNT 11
|
||||
#define WM8741_MAX_REGISTER 0x20
|
||||
|
||||
/*
|
||||
* Field Definitions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* R0 (0x00) - DACLLSB_ATTENUATION
|
||||
*/
|
||||
#define WM8741_UPDATELL 0x0020 /* UPDATELL */
|
||||
#define WM8741_UPDATELL_MASK 0x0020 /* UPDATELL */
|
||||
#define WM8741_UPDATELL_SHIFT 5 /* UPDATELL */
|
||||
#define WM8741_UPDATELL_WIDTH 1 /* UPDATELL */
|
||||
#define WM8741_LAT_4_0_MASK 0x001F /* LAT[4:0] - [4:0] */
|
||||
#define WM8741_LAT_4_0_SHIFT 0 /* LAT[4:0] - [4:0] */
|
||||
#define WM8741_LAT_4_0_WIDTH 5 /* LAT[4:0] - [4:0] */
|
||||
|
||||
/*
|
||||
* R1 (0x01) - DACLMSB_ATTENUATION
|
||||
*/
|
||||
#define WM8741_UPDATELM 0x0020 /* UPDATELM */
|
||||
#define WM8741_UPDATELM_MASK 0x0020 /* UPDATELM */
|
||||
#define WM8741_UPDATELM_SHIFT 5 /* UPDATELM */
|
||||
#define WM8741_UPDATELM_WIDTH 1 /* UPDATELM */
|
||||
#define WM8741_LAT_9_5_0_MASK 0x001F /* LAT[9:5] - [4:0] */
|
||||
#define WM8741_LAT_9_5_0_SHIFT 0 /* LAT[9:5] - [4:0] */
|
||||
#define WM8741_LAT_9_5_0_WIDTH 5 /* LAT[9:5] - [4:0] */
|
||||
|
||||
/*
|
||||
* R2 (0x02) - DACRLSB_ATTENUATION
|
||||
*/
|
||||
#define WM8741_UPDATERL 0x0020 /* UPDATERL */
|
||||
#define WM8741_UPDATERL_MASK 0x0020 /* UPDATERL */
|
||||
#define WM8741_UPDATERL_SHIFT 5 /* UPDATERL */
|
||||
#define WM8741_UPDATERL_WIDTH 1 /* UPDATERL */
|
||||
#define WM8741_RAT_4_0_MASK 0x001F /* RAT[4:0] - [4:0] */
|
||||
#define WM8741_RAT_4_0_SHIFT 0 /* RAT[4:0] - [4:0] */
|
||||
#define WM8741_RAT_4_0_WIDTH 5 /* RAT[4:0] - [4:0] */
|
||||
|
||||
/*
|
||||
* R3 (0x03) - DACRMSB_ATTENUATION
|
||||
*/
|
||||
#define WM8741_UPDATERM 0x0020 /* UPDATERM */
|
||||
#define WM8741_UPDATERM_MASK 0x0020 /* UPDATERM */
|
||||
#define WM8741_UPDATERM_SHIFT 5 /* UPDATERM */
|
||||
#define WM8741_UPDATERM_WIDTH 1 /* UPDATERM */
|
||||
#define WM8741_RAT_9_5_0_MASK 0x001F /* RAT[9:5] - [4:0] */
|
||||
#define WM8741_RAT_9_5_0_SHIFT 0 /* RAT[9:5] - [4:0] */
|
||||
#define WM8741_RAT_9_5_0_WIDTH 5 /* RAT[9:5] - [4:0] */
|
||||
|
||||
/*
|
||||
* R4 (0x04) - VOLUME_CONTROL
|
||||
*/
|
||||
#define WM8741_AMUTE 0x0080 /* AMUTE */
|
||||
#define WM8741_AMUTE_MASK 0x0080 /* AMUTE */
|
||||
#define WM8741_AMUTE_SHIFT 7 /* AMUTE */
|
||||
#define WM8741_AMUTE_WIDTH 1 /* AMUTE */
|
||||
#define WM8741_ZFLAG_MASK 0x0060 /* ZFLAG - [6:5] */
|
||||
#define WM8741_ZFLAG_SHIFT 5 /* ZFLAG - [6:5] */
|
||||
#define WM8741_ZFLAG_WIDTH 2 /* ZFLAG - [6:5] */
|
||||
#define WM8741_IZD 0x0010 /* IZD */
|
||||
#define WM8741_IZD_MASK 0x0010 /* IZD */
|
||||
#define WM8741_IZD_SHIFT 4 /* IZD */
|
||||
#define WM8741_IZD_WIDTH 1 /* IZD */
|
||||
#define WM8741_SOFT 0x0008 /* SOFT MUTE */
|
||||
#define WM8741_SOFT_MASK 0x0008 /* SOFT MUTE */
|
||||
#define WM8741_SOFT_SHIFT 3 /* SOFT MUTE */
|
||||
#define WM8741_SOFT_WIDTH 1 /* SOFT MUTE */
|
||||
#define WM8741_ATC 0x0004 /* ATC */
|
||||
#define WM8741_ATC_MASK 0x0004 /* ATC */
|
||||
#define WM8741_ATC_SHIFT 2 /* ATC */
|
||||
#define WM8741_ATC_WIDTH 1 /* ATC */
|
||||
#define WM8741_ATT2DB 0x0002 /* ATT2DB */
|
||||
#define WM8741_ATT2DB_MASK 0x0002 /* ATT2DB */
|
||||
#define WM8741_ATT2DB_SHIFT 1 /* ATT2DB */
|
||||
#define WM8741_ATT2DB_WIDTH 1 /* ATT2DB */
|
||||
#define WM8741_VOL_RAMP 0x0001 /* VOL_RAMP */
|
||||
#define WM8741_VOL_RAMP_MASK 0x0001 /* VOL_RAMP */
|
||||
#define WM8741_VOL_RAMP_SHIFT 0 /* VOL_RAMP */
|
||||
#define WM8741_VOL_RAMP_WIDTH 1 /* VOL_RAMP */
|
||||
|
||||
/*
|
||||
* R5 (0x05) - FORMAT_CONTROL
|
||||
*/
|
||||
#define WM8741_PWDN 0x0080 /* PWDN */
|
||||
#define WM8741_PWDN_MASK 0x0080 /* PWDN */
|
||||
#define WM8741_PWDN_SHIFT 7 /* PWDN */
|
||||
#define WM8741_PWDN_WIDTH 1 /* PWDN */
|
||||
#define WM8741_REV 0x0040 /* REV */
|
||||
#define WM8741_REV_MASK 0x0040 /* REV */
|
||||
#define WM8741_REV_SHIFT 6 /* REV */
|
||||
#define WM8741_REV_WIDTH 1 /* REV */
|
||||
#define WM8741_BCP 0x0020 /* BCP */
|
||||
#define WM8741_BCP_MASK 0x0020 /* BCP */
|
||||
#define WM8741_BCP_SHIFT 5 /* BCP */
|
||||
#define WM8741_BCP_WIDTH 1 /* BCP */
|
||||
#define WM8741_LRP 0x0010 /* LRP */
|
||||
#define WM8741_LRP_MASK 0x0010 /* LRP */
|
||||
#define WM8741_LRP_SHIFT 4 /* LRP */
|
||||
#define WM8741_LRP_WIDTH 1 /* LRP */
|
||||
#define WM8741_FMT_MASK 0x000C /* FMT - [3:2] */
|
||||
#define WM8741_FMT_SHIFT 2 /* FMT - [3:2] */
|
||||
#define WM8741_FMT_WIDTH 2 /* FMT - [3:2] */
|
||||
#define WM8741_IWL_MASK 0x0003 /* IWL - [1:0] */
|
||||
#define WM8741_IWL_SHIFT 0 /* IWL - [1:0] */
|
||||
#define WM8741_IWL_WIDTH 2 /* IWL - [1:0] */
|
||||
|
||||
/*
|
||||
* R6 (0x06) - FILTER_CONTROL
|
||||
*/
|
||||
#define WM8741_ZFLAG_HI 0x0080 /* ZFLAG_HI */
|
||||
#define WM8741_ZFLAG_HI_MASK 0x0080 /* ZFLAG_HI */
|
||||
#define WM8741_ZFLAG_HI_SHIFT 7 /* ZFLAG_HI */
|
||||
#define WM8741_ZFLAG_HI_WIDTH 1 /* ZFLAG_HI */
|
||||
#define WM8741_DEEMPH_MASK 0x0060 /* DEEMPH - [6:5] */
|
||||
#define WM8741_DEEMPH_SHIFT 5 /* DEEMPH - [6:5] */
|
||||
#define WM8741_DEEMPH_WIDTH 2 /* DEEMPH - [6:5] */
|
||||
#define WM8741_DSDFILT_MASK 0x0018 /* DSDFILT - [4:3] */
|
||||
#define WM8741_DSDFILT_SHIFT 3 /* DSDFILT - [4:3] */
|
||||
#define WM8741_DSDFILT_WIDTH 2 /* DSDFILT - [4:3] */
|
||||
#define WM8741_FIRSEL_MASK 0x0007 /* FIRSEL - [2:0] */
|
||||
#define WM8741_FIRSEL_SHIFT 0 /* FIRSEL - [2:0] */
|
||||
#define WM8741_FIRSEL_WIDTH 3 /* FIRSEL - [2:0] */
|
||||
|
||||
/*
|
||||
* R7 (0x07) - MODE_CONTROL_1
|
||||
*/
|
||||
#define WM8741_MODE8X 0x0080 /* MODE8X */
|
||||
#define WM8741_MODE8X_MASK 0x0080 /* MODE8X */
|
||||
#define WM8741_MODE8X_SHIFT 7 /* MODE8X */
|
||||
#define WM8741_MODE8X_WIDTH 1 /* MODE8X */
|
||||
#define WM8741_OSR_MASK 0x0060 /* OSR - [6:5] */
|
||||
#define WM8741_OSR_SHIFT 5 /* OSR - [6:5] */
|
||||
#define WM8741_OSR_WIDTH 2 /* OSR - [6:5] */
|
||||
#define WM8741_SR_MASK 0x001C /* SR - [4:2] */
|
||||
#define WM8741_SR_SHIFT 2 /* SR - [4:2] */
|
||||
#define WM8741_SR_WIDTH 3 /* SR - [4:2] */
|
||||
#define WM8741_MODESEL_MASK 0x0003 /* MODESEL - [1:0] */
|
||||
#define WM8741_MODESEL_SHIFT 0 /* MODESEL - [1:0] */
|
||||
#define WM8741_MODESEL_WIDTH 2 /* MODESEL - [1:0] */
|
||||
|
||||
/*
|
||||
* R8 (0x08) - MODE_CONTROL_2
|
||||
*/
|
||||
#define WM8741_DSD_GAIN 0x0040 /* DSD_GAIN */
|
||||
#define WM8741_DSD_GAIN_MASK 0x0040 /* DSD_GAIN */
|
||||
#define WM8741_DSD_GAIN_SHIFT 6 /* DSD_GAIN */
|
||||
#define WM8741_DSD_GAIN_WIDTH 1 /* DSD_GAIN */
|
||||
#define WM8741_SDOUT 0x0020 /* SDOUT */
|
||||
#define WM8741_SDOUT_MASK 0x0020 /* SDOUT */
|
||||
#define WM8741_SDOUT_SHIFT 5 /* SDOUT */
|
||||
#define WM8741_SDOUT_WIDTH 1 /* SDOUT */
|
||||
#define WM8741_DOUT 0x0010 /* DOUT */
|
||||
#define WM8741_DOUT_MASK 0x0010 /* DOUT */
|
||||
#define WM8741_DOUT_SHIFT 4 /* DOUT */
|
||||
#define WM8741_DOUT_WIDTH 1 /* DOUT */
|
||||
#define WM8741_DIFF_MASK 0x000C /* DIFF - [3:2] */
|
||||
#define WM8741_DIFF_SHIFT 2 /* DIFF - [3:2] */
|
||||
#define WM8741_DIFF_WIDTH 2 /* DIFF - [3:2] */
|
||||
#define WM8741_DITHER_MASK 0x0003 /* DITHER - [1:0] */
|
||||
#define WM8741_DITHER_SHIFT 0 /* DITHER - [1:0] */
|
||||
#define WM8741_DITHER_WIDTH 2 /* DITHER - [1:0] */
|
||||
|
||||
/*
|
||||
* R32 (0x20) - ADDITONAL_CONTROL_1
|
||||
*/
|
||||
#define WM8741_DSD_LEVEL 0x0002 /* DSD_LEVEL */
|
||||
#define WM8741_DSD_LEVEL_MASK 0x0002 /* DSD_LEVEL */
|
||||
#define WM8741_DSD_LEVEL_SHIFT 1 /* DSD_LEVEL */
|
||||
#define WM8741_DSD_LEVEL_WIDTH 1 /* DSD_LEVEL */
|
||||
#define WM8741_DSD_NO_NOTCH 0x0001 /* DSD_NO_NOTCH */
|
||||
#define WM8741_DSD_NO_NOTCH_MASK 0x0001 /* DSD_NO_NOTCH */
|
||||
#define WM8741_DSD_NO_NOTCH_SHIFT 0 /* DSD_NO_NOTCH */
|
||||
#define WM8741_DSD_NO_NOTCH_WIDTH 1 /* DSD_NO_NOTCH */
|
||||
|
||||
#define WM8741_SYSCLK 0
|
||||
|
||||
extern struct snd_soc_dai wm8741_dai;
|
||||
extern struct snd_soc_codec_device soc_codec_dev_wm8741;
|
||||
|
||||
#endif
|
||||
Reference in New Issue