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authorJoonyoung Shim <jy0922.shim@samsung.com>2009-07-15 15:34:00 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-07-15 19:59:31 +0400
commit9db9ed977d4f1a317f5f4d467d43025fa27223d8 (patch)
treec9f43eb2fc0a86cc1526ea38961dedca491f2e76 /sound/soc/codecs/max9877.h
parent3ce91d5a5a47eca6308c0a64f768c7a4466e0407 (diff)
downloadlinux-9db9ed977d4f1a317f5f4d467d43025fa27223d8.tar.xz
ASoC: MAX9877: add MAX9877 amp driver
The MAX9877 combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitor-less DirectDrive headphone amplifier. The max9877_add_controls() is called to register the MAX9877 specific controls on machine specific init() of the machine driver. The datasheet for the MAX9877 can find at the following url: http://datasheets.maxim-ic.com/en/ds/MAX9877.pdf [Slight edit to sort the ALL_CODECS entries -- broonie.] Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/max9877.h')
-rw-r--r--sound/soc/codecs/max9877.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/codecs/max9877.h b/sound/soc/codecs/max9877.h
new file mode 100644
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+++ b/sound/soc/codecs/max9877.h
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+/*
+ * max9877.h -- amp driver for max9877
+ *
+ * Copyright (C) 2009 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.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 _MAX9877_H
+#define _MAX9877_H
+
+#define MAX9877_INPUT_MODE 0x00
+#define MAX9877_SPK_VOLUME 0x01
+#define MAX9877_HPL_VOLUME 0x02
+#define MAX9877_HPR_VOLUME 0x03
+#define MAX9877_OUTPUT_MODE 0x04
+
+/* MAX9877_INPUT_MODE */
+#define MAX9877_INB (1 << 4)
+#define MAX9877_INA (1 << 5)
+#define MAX9877_ZCD (1 << 6)
+
+/* MAX9877_OUTPUT_MODE */
+#define MAX9877_OUTMODE_MASK (15 << 0)
+#define MAX9877_OSC_MASK (3 << 4)
+#define MAX9877_OSC_OFFSET 4
+#define MAX9877_BYPASS (1 << 6)
+#define MAX9877_SHDN (1 << 7)
+
+extern int max9877_add_controls(struct snd_soc_codec *codec);
+
+#endif