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-rw-r--r--include/sound/wm2200.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/sound/wm2200.h b/include/sound/wm2200.h
new file mode 100644
index 0000000000..9987e6c09b
--- /dev/null
+++ b/include/sound/wm2200.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/sound/wm2200.h -- Platform data for WM2200
+ *
+ * Copyright 2012 Wolfson Microelectronics. PLC.
+ */
+
+#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