提交 3a66d387 编写于 作者: M Mark Brown

ASoC: Add WM2000 driver

The WM2000 is a low power, high quality handset receiver speaker
driver with Wolfson myZone™ Ambient Noise Cancellation (ANC). It
provides enhanced voice communication quality in a noisy environment
if the handset acoustics are designed appropriately.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
上级 6db29675
/*
* linux/sound/wm2000.h -- Platform data for WM2000
*
* Copyright 2010 Wolfson Microelectronics. PLC.
*
* 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 __LINUX_SND_WM2000_H
#define __LINUX_SND_WM2000_H
struct wm2000_platform_data {
/** Filename for system-specific image to download to device. */
const char *download_file;
/** Divide MCLK by 2 for system clock? */
unsigned int mclkdiv2:1;
/** Disable speech clarity enhancement, for use when an
* external algorithm is used. */
unsigned int speech_enh_disable:1;
};
#endif
......@@ -36,6 +36,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_TWL4030 if TWL4030_CORE
select SND_SOC_UDA134X
select SND_SOC_UDA1380 if I2C
select SND_SOC_WM2000 if I2C
select SND_SOC_WM8350 if MFD_WM8350
select SND_SOC_WM8400 if MFD_WM8400
select SND_SOC_WM8510 if SND_SOC_I2C_AND_SPI
......@@ -265,3 +266,6 @@ config SND_SOC_MAX9877
config SND_SOC_TPA6130A2
tristate
config SND_SOC_WM2000
tristate
......@@ -58,6 +58,7 @@ snd-soc-wm-hubs-objs := wm_hubs.o
# Amp
snd-soc-max9877-objs := max9877.o
snd-soc-tpa6130a2-objs := tpa6130a2.o
snd-soc-wm2000-objs := wm2000.o
obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o
......@@ -119,3 +120,4 @@ obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o
# Amp
obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o
obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o
obj-$(CONFIG_SND_SOC_WM2000) += snd-soc-wm2000.o
此差异已折叠。
/*
* wm2000.h -- WM2000 Soc Audio driver
*
* 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 _WM2000_H
#define _WM2000_H
struct wm2000_setup_data {
unsigned short i2c_address;
int mclk_div; /* Set to a non-zero value if MCLK_DIV_2 required */
};
extern int wm2000_add_controls(struct snd_soc_codec *codec);
extern struct snd_soc_dai wm2000_dai;
extern struct snd_soc_codec_device soc_codec_dev_wm2000;
#define WM2000_REG_SYS_START 0x8000
#define WM2000_REG_SPEECH_CLARITY 0x8fef
#define WM2000_REG_SYS_WATCHDOG 0x8ff6
#define WM2000_REG_ANA_VMID_PD_TIME 0x8ff7
#define WM2000_REG_ANA_VMID_PU_TIME 0x8ff8
#define WM2000_REG_CAT_FLTR_INDX 0x8ff9
#define WM2000_REG_CAT_GAIN_0 0x8ffa
#define WM2000_REG_SYS_STATUS 0x8ffc
#define WM2000_REG_SYS_MODE_CNTRL 0x8ffd
#define WM2000_REG_SYS_START0 0x8ffe
#define WM2000_REG_SYS_START1 0x8fff
#define WM2000_REG_ID1 0xf000
#define WM2000_REG_ID2 0xf001
#define WM2000_REG_REVISON 0xf002
#define WM2000_REG_SYS_CTL1 0xf003
#define WM2000_REG_SYS_CTL2 0xf004
#define WM2000_REG_ANC_STAT 0xf005
#define WM2000_REG_IF_CTL 0xf006
/* SPEECH_CLARITY */
#define WM2000_SPEECH_CLARITY 0x01
/* SYS_STATUS */
#define WM2000_STATUS_MOUSE_ACTIVE 0x40
#define WM2000_STATUS_CAT_FREQ_COMPLETE 0x20
#define WM2000_STATUS_CAT_GAIN_COMPLETE 0x10
#define WM2000_STATUS_THERMAL_SHUTDOWN_COMPLETE 0x08
#define WM2000_STATUS_ANC_DISABLED 0x04
#define WM2000_STATUS_POWER_DOWN_COMPLETE 0x02
#define WM2000_STATUS_BOOT_COMPLETE 0x01
/* SYS_MODE_CNTRL */
#define WM2000_MODE_ANA_SEQ_INCLUDE 0x80
#define WM2000_MODE_MOUSE_ENABLE 0x40
#define WM2000_MODE_CAT_FREQ_ENABLE 0x20
#define WM2000_MODE_CAT_GAIN_ENABLE 0x10
#define WM2000_MODE_BYPASS_ENTRY 0x08
#define WM2000_MODE_STANDBY_ENTRY 0x04
#define WM2000_MODE_THERMAL_ENABLE 0x02
#define WM2000_MODE_POWER_DOWN 0x01
/* SYS_CTL1 */
#define WM2000_SYS_STBY 0x01
/* SYS_CTL2 */
#define WM2000_MCLK_DIV2_ENA_CLR 0x80
#define WM2000_MCLK_DIV2_ENA_SET 0x40
#define WM2000_ANC_ENG_CLR 0x20
#define WM2000_ANC_ENG_SET 0x10
#define WM2000_ANC_INT_N_CLR 0x08
#define WM2000_ANC_INT_N_SET 0x04
#define WM2000_RAM_CLR 0x02
#define WM2000_RAM_SET 0x01
/* ANC_STAT */
#define WM2000_ANC_ENG_IDLE 0x01
#endif
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