1/* 2 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994 3 * 4 * Copyright 2009 Wolfson Microelectronics PLC. 5 * 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 * 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. 12 * 13 */ 14 15#ifndef __MFD_WM8994_PDATA_H__ 16#define __MFD_WM8994_PDATA_H__ 17 18#define WM8994_NUM_LDO 2 19#define WM8994_NUM_GPIO 11 20#define WM8994_NUM_AIF 3 21 22struct wm8994_ldo_pdata { 23 /** GPIOs to enable regulator, 0 or less if not available */ 24 int enable; 25 26 const struct regulator_init_data *init_data; 27}; 28 29#define WM8994_CONFIGURE_GPIO 0x10000 30 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 39 40/** 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. 45 * 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/ 48 * for details. 49 */ 50struct wm8994_drc_cfg { 51 const char *name; 52 u16 regs[WM8994_DRC_REGS]; 53}; 54 55/** 56 * ReTune Mobile configurations are specified with a label, sample 57 * rate and set of values to write (the enable bits will be ignored). 58 * 59 * Configurations are expected to be generated using the ReTune Mobile 60 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/ 61 */ 62struct wm8994_retune_mobile_cfg { 63 const char *name; 64 unsigned int rate; 65 u16 regs[WM8994_EQ_REGS]; 66}; 67 68/** 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/ 73 */ 74struct wm8958_mbc_cfg { 75 const char *name; 76 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS]; 77 u16 coeff_regs[WM8958_MBC_COEFF_REGS]; 78 79 /* Coefficient layout when using MBC+VSS firmware */ 80 u16 combined_regs[WM8958_MBC_COMBINED_REGS]; 81}; 82 83/** 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/ 88 */ 89struct wm8958_vss_hpf_cfg { 90 const char *name; 91 u16 regs[WM8958_VSS_HPF_REGS]; 92}; 93 94/** 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/ 99 */ 100struct wm8958_vss_cfg { 101 const char *name; 102 u16 regs[WM8958_VSS_REGS]; 103}; 104 105/** 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/ 110 */ 111struct wm8958_enh_eq_cfg { 112 const char *name; 113 u16 regs[WM8958_ENH_EQ_REGS]; 114}; 115 116/** 117 * Microphone detection rates, used to tune response rates and power 118 * consumption for WM8958/WM1811 microphone detection. 119 * 120 * @sysclk: System clock rate to use this configuration for. 121 * @idle: True if this configuration should use when no accessory is detected, 122 * false otherwise. 123 * @start: Value for MICD_BIAS_START_TIME register field (not shifted). 124 * @rate: Value for MICD_RATE register field (not shifted). 125 */ 126struct wm8958_micd_rate { 127 int sysclk; 128 bool idle; 129 int start; 130 int rate; 131}; 132 133struct wm8994_pdata { 134 int gpio_base; 135 136 /** 137 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO 138 * can be used for all zero values. 139 */ 140 int gpio_defaults[WM8994_NUM_GPIO]; 141 142 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO]; 143 144 int irq_base; /** Base IRQ number for WM8994, required for IRQs */ 145 unsigned long irq_flags; /** user irq flags */ 146 147 int num_drc_cfgs; 148 struct wm8994_drc_cfg *drc_cfgs; 149 150 int num_retune_mobile_cfgs; 151 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; 152 153 int num_mbc_cfgs; 154 struct wm8958_mbc_cfg *mbc_cfgs; 155 156 int num_vss_cfgs; 157 struct wm8958_vss_cfg *vss_cfgs; 158 159 int num_vss_hpf_cfgs; 160 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; 161 162 int num_enh_eq_cfgs; 163 struct wm8958_enh_eq_cfg *enh_eq_cfgs; 164 165 int num_micd_rates; 166 struct wm8958_micd_rate *micd_rates; 167 168 /* Power up delays to add after microphone bias power up (ms) */ 169 int micb1_delay; 170 int micb2_delay; 171 172 /* LINEOUT can be differential or single ended */ 173 unsigned int lineout1_diff:1; 174 unsigned int lineout2_diff:1; 175 176 /* Common mode feedback */ 177 unsigned int lineout1fb:1; 178 unsigned int lineout2fb:1; 179 180 /* Delay between detecting a jack and starting microphone 181 * detect (specified in ms) 182 */ 183 int micdet_delay; 184 185 /* Delay between microphone detect completing and reporting on 186 * insert (specified in ms) 187 */ 188 int mic_id_delay; 189 190 /* IRQ for microphone detection if brought out directly as a 191 * signal. 192 */ 193 int micdet_irq; 194 195 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ 196 unsigned int micbias1_lvl:1; 197 unsigned int micbias2_lvl:1; 198 199 /* WM8994 jack detect threashold levels, see datasheet for values */ 200 unsigned int jd_scthr:2; 201 unsigned int jd_thr:2; 202 203 /* Configure WM1811 jack detection for use with external capacitor */ 204 unsigned int jd_ext_cap:1; 205 206 /* WM8958 microphone bias configuration */ 207 int micbias[2]; 208 209 /* WM8958 microphone detection ranges */ 210 u16 micd_lvl_sel; 211 212 /* 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. 216 */ 217 bool ldo_ena_always_driven; 218 219 /* 220 * SPKMODE must be pulled internally by the device on this 221 * system. 222 */ 223 bool spkmode_pu; 224 225 /** 226 * Maximum number of channels clocks will be generated for, 227 * useful for systems where and I2S bus with multiple data 228 * lines is mastered. 229 */ 230 int max_channels_clocked[WM8994_NUM_AIF]; 231 232 /** 233 * GPIO for the IRQ pin if host only supports edge triggering 234 */ 235 int irq_gpio; 236}; 237 238#endif 239