2 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
4 * Copyright 2009 Wolfson Microelectronics PLC.
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
15 #ifndef __MFD_WM8994_PDATA_H__
16 #define __MFD_WM8994_PDATA_H__
18 #define WM8994_NUM_LDO 2
19 #define WM8994_NUM_GPIO 11
21 struct wm8994_ldo_pdata {
22 /** GPIOs to enable regulator, 0 or less if not available */
25 const struct regulator_init_data *init_data;
28 #define WM8994_CONFIGURE_GPIO 0x10000
30 #define WM8994_DRC_REGS 5
31 #define WM8994_EQ_REGS 20
32 #define WM8958_MBC_CUTOFF_REGS 20
33 #define WM8958_MBC_COEFF_REGS 48
34 #define WM8958_MBC_COMBINED_REGS 56
35 #define WM8958_VSS_HPF_REGS 2
36 #define WM8958_VSS_REGS 148
37 #define WM8958_ENH_EQ_REGS 32
40 * DRC configurations are specified with a label and a set of register
41 * values to write (the enable bits will be ignored). At runtime an
42 * enumerated control will be presented for each DRC block allowing
43 * the user to choose the configration to use.
45 * Configurations may be generated by hand or by using the DRC control
46 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
49 struct wm8994_drc_cfg {
51 u16 regs[WM8994_DRC_REGS];
55 * ReTune Mobile configurations are specified with a label, sample
56 * rate and set of values to write (the enable bits will be ignored).
58 * Configurations are expected to be generated using the ReTune Mobile
59 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
61 struct wm8994_retune_mobile_cfg {
64 u16 regs[WM8994_EQ_REGS];
68 * Multiband compressor configurations are specified with a label and
69 * two sets of values to write. Configurations are expected to be
70 * generated using the multiband compressor configuration panel in
71 * WISCE - see http://www.wolfsonmicro.com/wisce/
73 struct wm8958_mbc_cfg {
75 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
76 u16 coeff_regs[WM8958_MBC_COEFF_REGS];
78 /* Coefficient layout when using MBC+VSS firmware */
79 u16 combined_regs[WM8958_MBC_COMBINED_REGS];
83 * VSS HPF configurations are specified with a label and two values to
84 * write. Configurations are expected to be generated using the
85 * multiband compressor configuration panel in WISCE - see
86 * http://www.wolfsonmicro.com/wisce/
88 struct wm8958_vss_hpf_cfg {
90 u16 regs[WM8958_VSS_HPF_REGS];
94 * VSS configurations are specified with a label and array of values
95 * to write. Configurations are expected to be generated using the
96 * multiband compressor configuration panel in WISCE - see
97 * http://www.wolfsonmicro.com/wisce/
99 struct wm8958_vss_cfg {
101 u16 regs[WM8958_VSS_REGS];
105 * Enhanced EQ configurations are specified with a label and array of
106 * values to write. Configurations are expected to be generated using
107 * the multiband compressor configuration panel in WISCE - see
108 * http://www.wolfsonmicro.com/wisce/
110 struct wm8958_enh_eq_cfg {
112 u16 regs[WM8958_ENH_EQ_REGS];
116 * Microphone detection rates, used to tune response rates and power
117 * consumption for WM8958/WM1811 microphone detection.
119 * @sysclk: System clock rate to use this configuration for.
120 * @idle: True if this configuration should use when no accessory is detected,
122 * @start: Value for MICD_BIAS_START_TIME register field (not shifted).
123 * @rate: Value for MICD_RATE register field (not shifted).
125 struct wm8958_micd_rate {
132 struct wm8994_pdata {
136 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
137 * can be used for all zero values.
139 int gpio_defaults[WM8994_NUM_GPIO];
141 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
143 int irq_base; /** Base IRQ number for WM8994, required for IRQs */
144 unsigned long irq_flags; /** user irq flags */
147 struct wm8994_drc_cfg *drc_cfgs;
149 int num_retune_mobile_cfgs;
150 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
153 struct wm8958_mbc_cfg *mbc_cfgs;
156 struct wm8958_vss_cfg *vss_cfgs;
158 int num_vss_hpf_cfgs;
159 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
162 struct wm8958_enh_eq_cfg *enh_eq_cfgs;
165 struct wm8958_micd_rate *micd_rates;
167 /* Power up delays to add after microphone bias power up (ms) */
171 /* LINEOUT can be differential or single ended */
172 unsigned int lineout1_diff:1;
173 unsigned int lineout2_diff:1;
175 /* Common mode feedback */
176 unsigned int lineout1fb:1;
177 unsigned int lineout2fb:1;
179 /* Delay between detecting a jack and starting microphone
180 * detect (specified in ms)
184 /* IRQ for microphone detection if brought out directly as a
189 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
190 unsigned int micbias1_lvl:1;
191 unsigned int micbias2_lvl:1;
193 /* WM8994 jack detect threashold levels, see datasheet for values */
194 unsigned int jd_scthr:2;
195 unsigned int jd_thr:2;
197 /* Configure WM1811 jack detection for use with external capacitor */
198 unsigned int jd_ext_cap:1;
200 /* WM8958 microphone bias configuration */
203 /* WM8958 microphone detection ranges */
206 /* Disable the internal pull downs on the LDOs if they are
207 * always driven (eg, connected to an always on supply or
208 * GPIO that always drives an output. If they float power
209 * consumption will rise.
211 bool ldo_ena_always_driven;
214 * SPKMODE must be pulled internally by the device on this