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 char *supply; 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 */ 50 struct 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 */ 62 struct 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 */ 74 struct 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 */ 89 struct 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 */ 100 struct 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 */ 111 struct 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 */ 126 struct wm8958_micd_rate { 127 int sysclk; 128 bool idle; 129 int start; 130 int rate; 131 }; 132 133 struct 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 */ 145 146 int num_drc_cfgs; 147 struct wm8994_drc_cfg *drc_cfgs; 148 149 int num_retune_mobile_cfgs; 150 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; 151 152 int num_mbc_cfgs; 153 struct wm8958_mbc_cfg *mbc_cfgs; 154 155 int num_vss_cfgs; 156 struct wm8958_vss_cfg *vss_cfgs; 157 158 int num_vss_hpf_cfgs; 159 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; 160 161 int num_enh_eq_cfgs; 162 struct wm8958_enh_eq_cfg *enh_eq_cfgs; 163 164 int num_micd_rates; 165 struct wm8958_micd_rate *micd_rates; 166 167 /* LINEOUT can be differential or single ended */ 168 unsigned int lineout1_diff:1; 169 unsigned int lineout2_diff:1; 170 171 /* Common mode feedback */ 172 unsigned int lineout1fb:1; 173 unsigned int lineout2fb:1; 174 175 /* IRQ for microphone detection if brought out directly as a 176 * signal. 177 */ 178 int micdet_irq; 179 180 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ 181 unsigned int micbias1_lvl:1; 182 unsigned int micbias2_lvl:1; 183 184 /* WM8994 jack detect threashold levels, see datasheet for values */ 185 unsigned int jd_scthr:2; 186 unsigned int jd_thr:2; 187 188 /* WM8958 microphone bias configuration */ 189 int micbias[2]; 190 191 /* WM8958 microphone detection ranges */ 192 u16 micd_lvl_sel; 193 194 /* Disable the internal pull downs on the LDOs if they are 195 * always driven (eg, connected to an always on supply or 196 * GPIO that always drives an output. If they float power 197 * consumption will rise. 198 */ 199 bool ldo_ena_always_driven; 200 201 /* 202 * SPKMODE must be pulled internally by the device on this 203 * system. 204 */ 205 bool spkmode_pu; 206 }; 207 208 #endif 209