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authorIngo Molnar <mingo@elte.hu>2010-04-02 20:02:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:03:08 +0200
commitc9494727cf293ae2ec66af57547a3e79c724fec2 (patch)
tree44ae197b64fa7530ee695a90ad31326dda06f1e1 /include/linux/mfd/wm8994/pdata.h
parent6427462bfa50f50dc6c088c07037264fcc73eca1 (diff)
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
downloadblackbird-op-linux-c9494727cf293ae2ec66af57547a3e79c724fec2.tar.gz
blackbird-op-linux-c9494727cf293ae2ec66af57547a3e79c724fec2.zip
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mfd/wm8994/pdata.h')
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diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
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+/*
+ * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
+ *
+ * Copyright 2009 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 __MFD_WM8994_PDATA_H__
+#define __MFD_WM8994_PDATA_H__
+
+#define WM8994_NUM_LDO 2
+#define WM8994_NUM_GPIO 11
+
+struct wm8994_ldo_pdata {
+ /** GPIOs to enable regulator, 0 or less if not available */
+ int enable;
+
+ const char *supply;
+ struct regulator_init_data *init_data;
+};
+
+#define WM8994_CONFIGURE_GPIO 0x8000
+
+#define WM8994_DRC_REGS 5
+#define WM8994_EQ_REGS 19
+
+/**
+ * DRC configurations are specified with a label and a set of register
+ * values to write (the enable bits will be ignored). At runtime an
+ * enumerated control will be presented for each DRC block allowing
+ * the user to choose the configration to use.
+ *
+ * Configurations may be generated by hand or by using the DRC control
+ * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
+ * for details.
+ */
+struct wm8994_drc_cfg {
+ const char *name;
+ u16 regs[WM8994_DRC_REGS];
+};
+
+/**
+ * ReTune Mobile configurations are specified with a label, sample
+ * rate and set of values to write (the enable bits will be ignored).
+ *
+ * Configurations are expected to be generated using the ReTune Mobile
+ * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8994_retune_mobile_cfg {
+ const char *name;
+ unsigned int rate;
+ u16 regs[WM8994_EQ_REGS];
+};
+
+struct wm8994_pdata {
+ int gpio_base;
+
+ /**
+ * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
+ * can be used for all zero values.
+ */
+ int gpio_defaults[WM8994_NUM_GPIO];
+
+ struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
+
+
+ int num_drc_cfgs;
+ struct wm8994_drc_cfg *drc_cfgs;
+
+ int num_retune_mobile_cfgs;
+ struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
+
+ /* LINEOUT can be differential or single ended */
+ unsigned int lineout1_diff:1;
+ unsigned int lineout2_diff:1;
+
+ /* Common mode feedback */
+ unsigned int lineout1fb:1;
+ unsigned int lineout2fb:1;
+
+ /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
+ unsigned int micbias1_lvl:1;
+ unsigned int micbias2_lvl:1;
+
+ /* Jack detect threashold levels, see datasheet for values */
+ unsigned int jd_scthr:2;
+ unsigned int jd_thr:2;
+};
+
+#endif
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