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 21 struct wm8994_ldo_pdata { 22 /** GPIOs to enable regulator, 0 or less if not available */ 23 int enable; 24 25 const struct regulator_init_data *init_data; 26 }; 27 28 #define WM8994_CONFIGURE_GPIO 0x10000 29 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 38 39 /** 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. 44 * 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/ 47 * for details. 48 */ 49 struct wm8994_drc_cfg { 50 const char *name; 51 u16 regs[WM8994_DRC_REGS]; 52 }; 53 54 /** 55 * ReTune Mobile configurations are specified with a label, sample 56 * rate and set of values to write (the enable bits will be ignored). 57 * 58 * Configurations are expected to be generated using the ReTune Mobile 59 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/ 60 */ 61 struct wm8994_retune_mobile_cfg { 62 const char *name; 63 unsigned int rate; 64 u16 regs[WM8994_EQ_REGS]; 65 }; 66 67 /** 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/ 72 */ 73 struct wm8958_mbc_cfg { 74 const char *name; 75 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS]; 76 u16 coeff_regs[WM8958_MBC_COEFF_REGS]; 77 78 /* Coefficient layout when using MBC+VSS firmware */ 79 u16 combined_regs[WM8958_MBC_COMBINED_REGS]; 80 }; 81 82 /** 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/ 87 */ 88 struct wm8958_vss_hpf_cfg { 89 const char *name; 90 u16 regs[WM8958_VSS_HPF_REGS]; 91 }; 92 93 /** 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/ 98 */ 99 struct wm8958_vss_cfg { 100 const char *name; 101 u16 regs[WM8958_VSS_REGS]; 102 }; 103 104 /** 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/ 109 */ 110 struct wm8958_enh_eq_cfg { 111 const char *name; 112 u16 regs[WM8958_ENH_EQ_REGS]; 113 }; 114 115 /** 116 * Microphone detection rates, used to tune response rates and power 117 * consumption for WM8958/WM1811 microphone detection. 118 * 119 * @sysclk: System clock rate to use this configuration for. 120 * @idle: True if this configuration should use when no accessory is detected, 121 * false otherwise. 122 * @start: Value for MICD_BIAS_START_TIME register field (not shifted). 123 * @rate: Value for MICD_RATE register field (not shifted). 124 */ 125 struct wm8958_micd_rate { 126 int sysclk; 127 bool idle; 128 int start; 129 int rate; 130 }; 131 132 struct wm8994_pdata { 133 int gpio_base; 134 135 /** 136 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO 137 * can be used for all zero values. 138 */ 139 int gpio_defaults[WM8994_NUM_GPIO]; 140 141 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO]; 142 143 int irq_base; /** Base IRQ number for WM8994, required for IRQs */ 144 145 int num_drc_cfgs; 146 struct wm8994_drc_cfg *drc_cfgs; 147 148 int num_retune_mobile_cfgs; 149 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; 150 151 int num_mbc_cfgs; 152 struct wm8958_mbc_cfg *mbc_cfgs; 153 154 int num_vss_cfgs; 155 struct wm8958_vss_cfg *vss_cfgs; 156 157 int num_vss_hpf_cfgs; 158 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; 159 160 int num_enh_eq_cfgs; 161 struct wm8958_enh_eq_cfg *enh_eq_cfgs; 162 163 int num_micd_rates; 164 struct wm8958_micd_rate *micd_rates; 165 166 /* LINEOUT can be differential or single ended */ 167 unsigned int lineout1_diff:1; 168 unsigned int lineout2_diff:1; 169 170 /* Common mode feedback */ 171 unsigned int lineout1fb:1; 172 unsigned int lineout2fb:1; 173 174 /* IRQ for microphone detection if brought out directly as a 175 * signal. 176 */ 177 int micdet_irq; 178 179 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ 180 unsigned int micbias1_lvl:1; 181 unsigned int micbias2_lvl:1; 182 183 /* WM8994 jack detect threashold levels, see datasheet for values */ 184 unsigned int jd_scthr:2; 185 unsigned int jd_thr:2; 186 187 /* Configure WM1811 jack detection for use with external capacitor */ 188 unsigned int jd_ext_cap:1; 189 190 /* WM8958 microphone bias configuration */ 191 int micbias[2]; 192 193 /* WM8958 microphone detection ranges */ 194 u16 micd_lvl_sel; 195 196 /* Disable the internal pull downs on the LDOs if they are 197 * always driven (eg, connected to an always on supply or 198 * GPIO that always drives an output. If they float power 199 * consumption will rise. 200 */ 201 bool ldo_ena_always_driven; 202 203 /* 204 * SPKMODE must be pulled internally by the device on this 205 * system. 206 */ 207 bool spkmode_pu; 208 }; 209 210 #endif 211