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
20 #define WM8994_NUM_AIF 3
22 struct wm8994_ldo_pdata {
23 /** GPIOs to enable regulator, 0 or less if not available */
26 const struct regulator_init_data *init_data;
29 #define WM8994_CONFIGURE_GPIO 0x10000
31 #define WM8994_DRC_REGS 5
32 #define WM8994_EQ_REGS 20
33 #define WM8958_MBC_CUTOFF_REGS 20
34 #define WM8958_MBC_COEFF_REGS 48
35 #define WM8958_MBC_COMBINED_REGS 56
36 #define WM8958_VSS_HPF_REGS 2
37 #define WM8958_VSS_REGS 148
38 #define WM8958_ENH_EQ_REGS 32
41 * DRC configurations are specified with a label and a set of register
42 * values to write (the enable bits will be ignored). At runtime an
43 * enumerated control will be presented for each DRC block allowing
44 * the user to choose the configration to use.
46 * Configurations may be generated by hand or by using the DRC control
47 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
50 struct wm8994_drc_cfg {
52 u16 regs[WM8994_DRC_REGS];
56 * ReTune Mobile configurations are specified with a label, sample
57 * rate and set of values to write (the enable bits will be ignored).
59 * Configurations are expected to be generated using the ReTune Mobile
60 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
62 struct wm8994_retune_mobile_cfg {
65 u16 regs[WM8994_EQ_REGS];
69 * Multiband compressor configurations are specified with a label and
70 * two sets of values to write. Configurations are expected to be
71 * generated using the multiband compressor configuration panel in
72 * WISCE - see http://www.wolfsonmicro.com/wisce/
74 struct wm8958_mbc_cfg {
76 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
77 u16 coeff_regs[WM8958_MBC_COEFF_REGS];
79 /* Coefficient layout when using MBC+VSS firmware */
80 u16 combined_regs[WM8958_MBC_COMBINED_REGS];
84 * VSS HPF configurations are specified with a label and two values to
85 * write. Configurations are expected to be generated using the
86 * multiband compressor configuration panel in WISCE - see
87 * http://www.wolfsonmicro.com/wisce/
89 struct wm8958_vss_hpf_cfg {
91 u16 regs[WM8958_VSS_HPF_REGS];
95 * VSS configurations are specified with a label and array of values
96 * to write. Configurations are expected to be generated using the
97 * multiband compressor configuration panel in WISCE - see
98 * http://www.wolfsonmicro.com/wisce/
100 struct wm8958_vss_cfg {
102 u16 regs[WM8958_VSS_REGS];
106 * Enhanced EQ configurations are specified with a label and array of
107 * values to write. Configurations are expected to be generated using
108 * the multiband compressor configuration panel in WISCE - see
109 * http://www.wolfsonmicro.com/wisce/
111 struct wm8958_enh_eq_cfg {
113 u16 regs[WM8958_ENH_EQ_REGS];
117 * Microphone detection rates, used to tune response rates and power
118 * consumption for WM8958/WM1811 microphone detection.
120 * @sysclk: System clock rate to use this configuration for.
121 * @idle: True if this configuration should use when no accessory is detected,
123 * @start: Value for MICD_BIAS_START_TIME register field (not shifted).
124 * @rate: Value for MICD_RATE register field (not shifted).
126 struct wm8958_micd_rate {
133 struct wm8994_pdata {
137 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
138 * can be used for all zero values.
140 int gpio_defaults[WM8994_NUM_GPIO];
142 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
144 int irq_base; /** Base IRQ number for WM8994, required for IRQs */
145 unsigned long irq_flags; /** user irq flags */
148 struct wm8994_drc_cfg *drc_cfgs;
150 int num_retune_mobile_cfgs;
151 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
154 struct wm8958_mbc_cfg *mbc_cfgs;
157 struct wm8958_vss_cfg *vss_cfgs;
159 int num_vss_hpf_cfgs;
160 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
163 struct wm8958_enh_eq_cfg *enh_eq_cfgs;
166 struct wm8958_micd_rate *micd_rates;
168 /* Power up delays to add after microphone bias power up (ms) */
172 /* LINEOUT can be differential or single ended */
173 unsigned int lineout1_diff:1;
174 unsigned int lineout2_diff:1;
176 /* Common mode feedback */
177 unsigned int lineout1fb:1;
178 unsigned int lineout2fb:1;
180 /* Delay between detecting a jack and starting microphone
181 * detect (specified in ms)
185 /* Delay between microphone detect completing and reporting on
186 * insert (specified in ms)
190 /* IRQ for microphone detection if brought out directly as a
195 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
196 unsigned int micbias1_lvl:1;
197 unsigned int micbias2_lvl:1;
199 /* WM8994 jack detect threashold levels, see datasheet for values */
200 unsigned int jd_scthr:2;
201 unsigned int jd_thr:2;
203 /* Configure WM1811 jack detection for use with external capacitor */
204 unsigned int jd_ext_cap:1;
206 /* WM8958 microphone bias configuration */
209 /* WM8958 microphone detection ranges */
212 /* Disable the internal pull downs on the LDOs if they are
213 * always driven (eg, connected to an always on supply or
214 * GPIO that always drives an output. If they float power
215 * consumption will rise.
217 bool ldo_ena_always_driven;
220 * SPKMODE must be pulled internally by the device on this
226 * Maximum number of channels clocks will be generated for,
227 * useful for systems where and I2S bus with multiple data
230 int max_channels_clocked[WM8994_NUM_AIF];
233 * GPIO for the IRQ pin if host only supports edge triggering