From aaf1e176fa9a96fe1eea33b710684bba066aedc1 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 10 Mar 2009 10:55:15 +0000 Subject: ASoC: Add initial driver for the WM8400 CODEC The WM8400 is a highly integrated audio CODEC and power management unit intended for mobile multimedia application. This driver supports the primary audio CODEC features, including: - 1W speaker driver - Fully differential headphone output - Up to 4 differential microphone inputs Signed-off-by: Mark Brown --- sound/soc/codecs/wm8400.h | 62 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 sound/soc/codecs/wm8400.h (limited to 'sound/soc/codecs/wm8400.h') diff --git a/sound/soc/codecs/wm8400.h b/sound/soc/codecs/wm8400.h new file mode 100644 index 00000000000..79c5934d477 --- /dev/null +++ b/sound/soc/codecs/wm8400.h @@ -0,0 +1,62 @@ +/* + * wm8400.h -- audio driver for WM8400 + * + * Copyright 2008 Wolfson Microelectronics PLC. + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef _WM8400_CODEC_H +#define _WM8400_CODEC_H + +#define WM8400_MCLK_DIV 0 +#define WM8400_DACCLK_DIV 1 +#define WM8400_ADCCLK_DIV 2 +#define WM8400_BCLK_DIV 3 + +#define WM8400_MCLK_DIV_1 0x400 +#define WM8400_MCLK_DIV_2 0x800 + +#define WM8400_DAC_CLKDIV_1 0x00 +#define WM8400_DAC_CLKDIV_1_5 0x04 +#define WM8400_DAC_CLKDIV_2 0x08 +#define WM8400_DAC_CLKDIV_3 0x0c +#define WM8400_DAC_CLKDIV_4 0x10 +#define WM8400_DAC_CLKDIV_5_5 0x14 +#define WM8400_DAC_CLKDIV_6 0x18 + +#define WM8400_ADC_CLKDIV_1 0x00 +#define WM8400_ADC_CLKDIV_1_5 0x20 +#define WM8400_ADC_CLKDIV_2 0x40 +#define WM8400_ADC_CLKDIV_3 0x60 +#define WM8400_ADC_CLKDIV_4 0x80 +#define WM8400_ADC_CLKDIV_5_5 0xa0 +#define WM8400_ADC_CLKDIV_6 0xc0 + + +#define WM8400_BCLK_DIV_1 (0x0 << 1) +#define WM8400_BCLK_DIV_1_5 (0x1 << 1) +#define WM8400_BCLK_DIV_2 (0x2 << 1) +#define WM8400_BCLK_DIV_3 (0x3 << 1) +#define WM8400_BCLK_DIV_4 (0x4 << 1) +#define WM8400_BCLK_DIV_5_5 (0x5 << 1) +#define WM8400_BCLK_DIV_6 (0x6 << 1) +#define WM8400_BCLK_DIV_8 (0x7 << 1) +#define WM8400_BCLK_DIV_11 (0x8 << 1) +#define WM8400_BCLK_DIV_12 (0x9 << 1) +#define WM8400_BCLK_DIV_16 (0xA << 1) +#define WM8400_BCLK_DIV_22 (0xB << 1) +#define WM8400_BCLK_DIV_24 (0xC << 1) +#define WM8400_BCLK_DIV_32 (0xD << 1) +#define WM8400_BCLK_DIV_44 (0xE << 1) +#define WM8400_BCLK_DIV_48 (0xF << 1) + +extern struct snd_soc_dai wm8400_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8400; + +#endif -- cgit v1.2.3