Initial import

1 files changed, 238 insertions, 0 deletions

diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
new file mode 100644
index 000000000..90c60524a
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+++ 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
+#define WM8994_NUM_AIF   3
+
+struct wm8994_ldo_pdata {
+	/** GPIOs to enable regulator, 0 or less if not available */
+	int enable;
+
+	const struct regulator_init_data *init_data;
+};
+
+#define WM8994_CONFIGURE_GPIO 0x10000
+
+#define WM8994_DRC_REGS 5
+#define WM8994_EQ_REGS  20
+#define WM8958_MBC_CUTOFF_REGS 20
+#define WM8958_MBC_COEFF_REGS  48
+#define WM8958_MBC_COMBINED_REGS 56
+#define WM8958_VSS_HPF_REGS 2
+#define WM8958_VSS_REGS 148
+#define WM8958_ENH_EQ_REGS 32
+
+/**
+ * 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];
+};
+
+/**
+ * Multiband compressor configurations are specified with a label and
+ * two sets of values to write.  Configurations are expected to be
+ * generated using the multiband compressor configuration panel in
+ * WISCE - see http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8958_mbc_cfg {
+	const char *name;
+	u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
+	u16 coeff_regs[WM8958_MBC_COEFF_REGS];
+
+	/* Coefficient layout when using MBC+VSS firmware */
+	u16 combined_regs[WM8958_MBC_COMBINED_REGS];
+};
+
+/**
+ * VSS HPF configurations are specified with a label and two values to
+ * write.  Configurations are expected to be generated using the
+ * multiband compressor configuration panel in WISCE - see
+ * http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8958_vss_hpf_cfg {
+	const char *name;
+	u16 regs[WM8958_VSS_HPF_REGS];
+};
+
+/**
+ * VSS configurations are specified with a label and array of values
+ * to write.  Configurations are expected to be generated using the
+ * multiband compressor configuration panel in WISCE - see
+ * http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8958_vss_cfg {
+	const char *name;
+	u16 regs[WM8958_VSS_REGS];
+};
+
+/**
+ * Enhanced EQ configurations are specified with a label and array of
+ * values to write.  Configurations are expected to be generated using
+ * the multiband compressor configuration panel in WISCE - see
+ * http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8958_enh_eq_cfg {
+	const char *name;
+	u16 regs[WM8958_ENH_EQ_REGS];
+};
+
+/**
+ * Microphone detection rates, used to tune response rates and power
+ * consumption for WM8958/WM1811 microphone detection.
+ *
+ * @sysclk: System clock rate to use this configuration for.
+ * @idle: True if this configuration should use when no accessory is detected,
+ *        false otherwise.
+ * @start: Value for MICD_BIAS_START_TIME register field (not shifted).
+ * @rate: Value for MICD_RATE register field (not shifted).
+ */
+struct wm8958_micd_rate {
+	int sysclk;
+	bool idle;
+	int start;
+	int rate;
+};
+
+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 irq_base;  /** Base IRQ number for WM8994, required for IRQs */
+	unsigned long irq_flags; /** user irq flags */
+
+        int num_drc_cfgs;
+        struct wm8994_drc_cfg *drc_cfgs;
+
+        int num_retune_mobile_cfgs;
+        struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
+
+	int num_mbc_cfgs;
+	struct wm8958_mbc_cfg *mbc_cfgs;
+
+	int num_vss_cfgs;
+	struct wm8958_vss_cfg *vss_cfgs;
+
+	int num_vss_hpf_cfgs;
+	struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
+
+	int num_enh_eq_cfgs;
+	struct wm8958_enh_eq_cfg *enh_eq_cfgs;
+
+	int num_micd_rates;
+	struct wm8958_micd_rate *micd_rates;
+
+	/* Power up delays to add after microphone bias power up (ms) */
+	int micb1_delay;
+	int micb2_delay;
+
+        /* 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;
+
+	/* Delay between detecting a jack and starting microphone
+	 * detect (specified in ms)
+	 */
+	int micdet_delay;
+
+	/* Delay between microphone detect completing and reporting on
+	 * insert (specified in ms)
+	 */
+	int mic_id_delay;
+
+	/* IRQ for microphone detection if brought out directly as a
+	 * signal.
+	 */
+	int micdet_irq;
+
+        /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
+        unsigned int micbias1_lvl:1;
+        unsigned int micbias2_lvl:1;
+
+        /* WM8994 jack detect threashold levels, see datasheet for values */
+        unsigned int jd_scthr:2;
+        unsigned int jd_thr:2;
+
+	/* Configure WM1811 jack detection for use with external capacitor */
+	unsigned int jd_ext_cap:1;
+
+	/* WM8958 microphone bias configuration */
+	int micbias[2];
+
+	/* WM8958 microphone detection ranges */
+	u16 micd_lvl_sel;
+
+	/* Disable the internal pull downs on the LDOs if they are
+	 * always driven (eg, connected to an always on supply or
+	 * GPIO that always drives an output.  If they float power
+	 * consumption will rise.
+	 */
+	bool ldo_ena_always_driven;
+
+	/*
+	 * SPKMODE must be pulled internally by the device on this
+	 * system.
+	 */
+	bool spkmode_pu;
+
+	/**
+	 * Maximum number of channels clocks will be generated for,
+	 * useful for systems where and I2S bus with multiple data
+	 * lines is mastered.
+	 */
+	int max_channels_clocked[WM8994_NUM_AIF];
+
+	/**
+	 * GPIO for the IRQ pin if host only supports edge triggering
+	 */
+	int irq_gpio;
+};
+
+#endif