From 1dcf98ff8e2a4571a2accb852686023b47ca629a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 1 Jul 2009 18:28:54 +0100 Subject: ASoC: Add WM8523 CODEC driver The WM8523 is a high performance stereo DAC with integral charge pump providing 2Vrms line driver outputs using a single 3.3V power supply rail. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8523.h | 160 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 sound/soc/codecs/wm8523.h (limited to 'sound/soc/codecs/wm8523.h') diff --git a/sound/soc/codecs/wm8523.h b/sound/soc/codecs/wm8523.h new file mode 100644 index 00000000000..1aa9ce3e135 --- /dev/null +++ b/sound/soc/codecs/wm8523.h @@ -0,0 +1,160 @@ +/* + * wm8523.h -- WM8423 ASoC driver + * + * Copyright 2009 Wolfson Microelectronics, plc + * + * Author: Mark Brown + * + * 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 _WM8523_H +#define _WM8523_H + +/* + * Register values. + */ +#define WM8523_DEVICE_ID 0x00 +#define WM8523_REVISION 0x01 +#define WM8523_PSCTRL1 0x02 +#define WM8523_AIF_CTRL1 0x03 +#define WM8523_AIF_CTRL2 0x04 +#define WM8523_DAC_CTRL3 0x05 +#define WM8523_DAC_GAINL 0x06 +#define WM8523_DAC_GAINR 0x07 +#define WM8523_ZERO_DETECT 0x08 + +#define WM8523_REGISTER_COUNT 9 +#define WM8523_MAX_REGISTER 0x08 + +/* + * Field Definitions. + */ + +/* + * R0 (0x00) - DEVICE_ID + */ +#define WM8523_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */ +#define WM8523_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */ +#define WM8523_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */ + +/* + * R1 (0x01) - REVISION + */ +#define WM8523_CHIP_REV_MASK 0x0007 /* CHIP_REV - [2:0] */ +#define WM8523_CHIP_REV_SHIFT 0 /* CHIP_REV - [2:0] */ +#define WM8523_CHIP_REV_WIDTH 3 /* CHIP_REV - [2:0] */ + +/* + * R2 (0x02) - PSCTRL1 + */ +#define WM8523_SYS_ENA_MASK 0x0003 /* SYS_ENA - [1:0] */ +#define WM8523_SYS_ENA_SHIFT 0 /* SYS_ENA - [1:0] */ +#define WM8523_SYS_ENA_WIDTH 2 /* SYS_ENA - [1:0] */ + +/* + * R3 (0x03) - AIF_CTRL1 + */ +#define WM8523_TDM_MODE_MASK 0x1800 /* TDM_MODE - [12:11] */ +#define WM8523_TDM_MODE_SHIFT 11 /* TDM_MODE - [12:11] */ +#define WM8523_TDM_MODE_WIDTH 2 /* TDM_MODE - [12:11] */ +#define WM8523_TDM_SLOT_MASK 0x0600 /* TDM_SLOT - [10:9] */ +#define WM8523_TDM_SLOT_SHIFT 9 /* TDM_SLOT - [10:9] */ +#define WM8523_TDM_SLOT_WIDTH 2 /* TDM_SLOT - [10:9] */ +#define WM8523_DEEMPH 0x0100 /* DEEMPH */ +#define WM8523_DEEMPH_MASK 0x0100 /* DEEMPH */ +#define WM8523_DEEMPH_SHIFT 8 /* DEEMPH */ +#define WM8523_DEEMPH_WIDTH 1 /* DEEMPH */ +#define WM8523_AIF_MSTR 0x0080 /* AIF_MSTR */ +#define WM8523_AIF_MSTR_MASK 0x0080 /* AIF_MSTR */ +#define WM8523_AIF_MSTR_SHIFT 7 /* AIF_MSTR */ +#define WM8523_AIF_MSTR_WIDTH 1 /* AIF_MSTR */ +#define WM8523_LRCLK_INV 0x0040 /* LRCLK_INV */ +#define WM8523_LRCLK_INV_MASK 0x0040 /* LRCLK_INV */ +#define WM8523_LRCLK_INV_SHIFT 6 /* LRCLK_INV */ +#define WM8523_LRCLK_INV_WIDTH 1 /* LRCLK_INV */ +#define WM8523_BCLK_INV 0x0020 /* BCLK_INV */ +#define WM8523_BCLK_INV_MASK 0x0020 /* BCLK_INV */ +#define WM8523_BCLK_INV_SHIFT 5 /* BCLK_INV */ +#define WM8523_BCLK_INV_WIDTH 1 /* BCLK_INV */ +#define WM8523_WL_MASK 0x0018 /* WL - [4:3] */ +#define WM8523_WL_SHIFT 3 /* WL - [4:3] */ +#define WM8523_WL_WIDTH 2 /* WL - [4:3] */ +#define WM8523_FMT_MASK 0x0007 /* FMT - [2:0] */ +#define WM8523_FMT_SHIFT 0 /* FMT - [2:0] */ +#define WM8523_FMT_WIDTH 3 /* FMT - [2:0] */ + +/* + * R4 (0x04) - AIF_CTRL2 + */ +#define WM8523_DAC_OP_MUX_MASK 0x00C0 /* DAC_OP_MUX - [7:6] */ +#define WM8523_DAC_OP_MUX_SHIFT 6 /* DAC_OP_MUX - [7:6] */ +#define WM8523_DAC_OP_MUX_WIDTH 2 /* DAC_OP_MUX - [7:6] */ +#define WM8523_BCLKDIV_MASK 0x0038 /* BCLKDIV - [5:3] */ +#define WM8523_BCLKDIV_SHIFT 3 /* BCLKDIV - [5:3] */ +#define WM8523_BCLKDIV_WIDTH 3 /* BCLKDIV - [5:3] */ +#define WM8523_SR_MASK 0x0007 /* SR - [2:0] */ +#define WM8523_SR_SHIFT 0 /* SR - [2:0] */ +#define WM8523_SR_WIDTH 3 /* SR - [2:0] */ + +/* + * R5 (0x05) - DAC_CTRL3 + */ +#define WM8523_ZC 0x0010 /* ZC */ +#define WM8523_ZC_MASK 0x0010 /* ZC */ +#define WM8523_ZC_SHIFT 4 /* ZC */ +#define WM8523_ZC_WIDTH 1 /* ZC */ +#define WM8523_DACR 0x0008 /* DACR */ +#define WM8523_DACR_MASK 0x0008 /* DACR */ +#define WM8523_DACR_SHIFT 3 /* DACR */ +#define WM8523_DACR_WIDTH 1 /* DACR */ +#define WM8523_DACL 0x0004 /* DACL */ +#define WM8523_DACL_MASK 0x0004 /* DACL */ +#define WM8523_DACL_SHIFT 2 /* DACL */ +#define WM8523_DACL_WIDTH 1 /* DACL */ +#define WM8523_VOL_UP_RAMP 0x0002 /* VOL_UP_RAMP */ +#define WM8523_VOL_UP_RAMP_MASK 0x0002 /* VOL_UP_RAMP */ +#define WM8523_VOL_UP_RAMP_SHIFT 1 /* VOL_UP_RAMP */ +#define WM8523_VOL_UP_RAMP_WIDTH 1 /* VOL_UP_RAMP */ +#define WM8523_VOL_DOWN_RAMP 0x0001 /* VOL_DOWN_RAMP */ +#define WM8523_VOL_DOWN_RAMP_MASK 0x0001 /* VOL_DOWN_RAMP */ +#define WM8523_VOL_DOWN_RAMP_SHIFT 0 /* VOL_DOWN_RAMP */ +#define WM8523_VOL_DOWN_RAMP_WIDTH 1 /* VOL_DOWN_RAMP */ + +/* + * R6 (0x06) - DAC_GAINL + */ +#define WM8523_DACL_VU 0x0200 /* DACL_VU */ +#define WM8523_DACL_VU_MASK 0x0200 /* DACL_VU */ +#define WM8523_DACL_VU_SHIFT 9 /* DACL_VU */ +#define WM8523_DACL_VU_WIDTH 1 /* DACL_VU */ +#define WM8523_DACL_VOL_MASK 0x01FF /* DACL_VOL - [8:0] */ +#define WM8523_DACL_VOL_SHIFT 0 /* DACL_VOL - [8:0] */ +#define WM8523_DACL_VOL_WIDTH 9 /* DACL_VOL - [8:0] */ + +/* + * R7 (0x07) - DAC_GAINR + */ +#define WM8523_DACR_VU 0x0200 /* DACR_VU */ +#define WM8523_DACR_VU_MASK 0x0200 /* DACR_VU */ +#define WM8523_DACR_VU_SHIFT 9 /* DACR_VU */ +#define WM8523_DACR_VU_WIDTH 1 /* DACR_VU */ +#define WM8523_DACR_VOL_MASK 0x01FF /* DACR_VOL - [8:0] */ +#define WM8523_DACR_VOL_SHIFT 0 /* DACR_VOL - [8:0] */ +#define WM8523_DACR_VOL_WIDTH 9 /* DACR_VOL - [8:0] */ + +/* + * R8 (0x08) - ZERO_DETECT + */ +#define WM8523_ZD_COUNT_MASK 0x0003 /* ZD_COUNT - [1:0] */ +#define WM8523_ZD_COUNT_SHIFT 0 /* ZD_COUNT - [1:0] */ +#define WM8523_ZD_COUNT_WIDTH 2 /* ZD_COUNT - [1:0] */ + +extern struct snd_soc_dai wm8523_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8523; + +#endif -- cgit v1.2.3-70-g09d2