Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / sound / wm2200.h

diff --git a/kernel/include/sound/wm2200.h b/kernel/include/sound/wm2200.h
new file mode 100644 (file)
index 0000000..bc7ab1a
--- /dev/null
+++ b/kernel/include/sound/wm2200.h
@@ -0,0 +1,61 @@
+/*
+ * 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
+#define WM2200_MAX_MICBIAS 2
+
+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,
+};
+
+enum wm2200_mbias_lvl {
+       WM2200_MBIAS_LVL_1V5 = 1,
+       WM2200_MBIAS_LVL_1V8 = 2,
+       WM2200_MBIAS_LVL_1V9 = 3,
+       WM2200_MBIAS_LVL_2V0 = 4,
+       WM2200_MBIAS_LVL_2V2 = 5,
+       WM2200_MBIAS_LVL_2V4 = 6,
+       WM2200_MBIAS_LVL_2V5 = 7,
+       WM2200_MBIAS_LVL_2V6 = 8,
+};
+
+struct wm2200_micbias {
+       enum wm2200_mbias_lvl mb_lvl;      /** Regulated voltage */
+       unsigned int discharge:1;          /** Actively discharge */
+       unsigned int fast_start:1;         /** Enable aggressive startup ramp rate */
+       unsigned int bypass:1;             /** Use bypass mode */
+};
+
+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];
+
+       /** MICBIAS configurations */
+       struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];
+};
+
+#endif