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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-03-10 13:55:15 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-03-11 16:49:46 +0300
commitaaf1e176fa9a96fe1eea33b710684bba066aedc1 (patch)
tree931a0284f060880c302e7c4eaa42cc507ca71ac2 /sound/soc/codecs/wm8400.h
parent5706d5013212c8afcb9fe5332ee6442488280c66 (diff)
downloadlinux-aaf1e176fa9a96fe1eea33b710684bba066aedc1.tar.xz
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 <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8400.h')
-rw-r--r--sound/soc/codecs/wm8400.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8400.h b/sound/soc/codecs/wm8400.h
new file mode 100644
index 000000000000..79c5934d4776
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+++ b/sound/soc/codecs/wm8400.h
@@ -0,0 +1,62 @@
+/*
+ * wm8400.h -- audio driver for WM8400
+ *
+ * Copyright 2008 Wolfson Microelectronics PLC.
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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