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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-25 23:29:41 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-26 20:07:55 +0400
commitd5315a23ccdf921c838d26df6360b439c8d7ac83 (patch)
treeb611b81ca5a728e886e9439be5e92a1bcbe5a6ff /include/sound
parent1cf733569e6f484a09cb7e4b8602a48c32864594 (diff)
downloadlinux-d5315a23ccdf921c838d26df6360b439c8d7ac83.tar.xz
ASoC: wm2200: Add WM2200 CODEC driver
The WM2200 is a low power mobile CODEC with enhanced Wolfson myZone Ambient Noise Cancellation (ANC) intended for mobile telephony applications. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/wm2200.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/sound/wm2200.h b/include/sound/wm2200.h
new file mode 100644
index 000000000000..79bf55be7ffa
--- /dev/null
+++ b/include/sound/wm2200.h
@@ -0,0 +1,41 @@
+/*
+ * linux/sound/wm2200.h -- Platform data for WM2200
+ *
+ * Copyright 2012 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_WM2200_H
+#define __LINUX_SND_WM2200_H
+
+#define WM2200_GPIO_SET 0x10000
+
+enum wm2200_in_mode {
+ WM2200_IN_SE = 0,
+ WM2200_IN_DIFF = 1,
+ WM2200_IN_DMIC = 2,
+};
+
+enum wm2200_dmic_sup {
+ WM2200_DMIC_SUP_MICVDD = 0,
+ WM2200_DMIC_SUP_MICBIAS1 = 1,
+ WM2200_DMIC_SUP_MICBIAS2 = 2,
+};
+
+struct wm2200_pdata {
+ int reset; /** GPIO controlling /RESET, if any */
+ int ldo_ena; /** GPIO controlling LODENA, if any */
+ int irq_flags;
+
+ int gpio_defaults[4];
+
+ enum wm2200_in_mode in_mode[3];
+ enum wm2200_dmic_sup dmic_sup[3];
+
+ int micbias_cfg[2]; /** Register value to configure MICBIAS */
+};
+
+#endif