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 22 struct wm8994_ldo_pdata { 23 const struct regulator_init_data *init_data; 24 }; 25 26 #define WM8994_CONFIGURE_GPIO 0x10000 27 28 #define WM8994_DRC_REGS 5 29 #define WM8994_EQ_REGS 20 30 #define WM8958_MBC_CUTOFF_REGS 20 31 #define WM8958_MBC_COEFF_REGS 48 32 #define WM8958_MBC_COMBINED_REGS 56 33 #define WM8958_VSS_HPF_REGS 2 34 #define WM8958_VSS_REGS 148 35 #define WM8958_ENH_EQ_REGS 32 36 37 /** 38 * DRC configurations are specified with a label and a set of register 39 * values to write (the enable bits will be ignored). At runtime an 40 * enumerated control will be presented for each DRC block allowing 41 * the user to choose the configration to use. 42 * 43 * Configurations may be generated by hand or by using the DRC control 44 * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/ 45 * for details. 46 */ 47 struct wm8994_drc_cfg { 48 const char *name; 49 u16 regs[WM8994_DRC_REGS]; 50 }; 51 52 /** 53 * ReTune Mobile configurations are specified with a label, sample 54 * rate and set of values to write (the enable bits will be ignored). 55 * 56 * Configurations are expected to be generated using the ReTune Mobile 57 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/ 58 */ 59 struct wm8994_retune_mobile_cfg { 60 const char *name; 61 unsigned int rate; 62 u16 regs[WM8994_EQ_REGS]; 63 }; 64 65 /** 66 * Multiband compressor configurations are specified with a label and 67 * two sets of values to write. Configurations are expected to be 68 * generated using the multiband compressor configuration panel in 69 * WISCE - see http://www.wolfsonmicro.com/wisce/ 70 */ 71 struct wm8958_mbc_cfg { 72 const char *name; 73 u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS]; 74 u16 coeff_regs[WM8958_MBC_COEFF_REGS]; 75 76 /* Coefficient layout when using MBC+VSS firmware */ 77 u16 combined_regs[WM8958_MBC_COMBINED_REGS]; 78 }; 79 80 /** 81 * VSS HPF configurations are specified with a label and two values to 82 * write. Configurations are expected to be generated using the 83 * multiband compressor configuration panel in WISCE - see 84 * http://www.wolfsonmicro.com/wisce/ 85 */ 86 struct wm8958_vss_hpf_cfg { 87 const char *name; 88 u16 regs[WM8958_VSS_HPF_REGS]; 89 }; 90 91 /** 92 * VSS configurations are specified with a label and array of values 93 * to write. Configurations are expected to be generated using the 94 * multiband compressor configuration panel in WISCE - see 95 * http://www.wolfsonmicro.com/wisce/ 96 */ 97 struct wm8958_vss_cfg { 98 const char *name; 99 u16 regs[WM8958_VSS_REGS]; 100 }; 101 102 /** 103 * Enhanced EQ configurations are specified with a label and array of 104 * values to write. Configurations are expected to be generated using 105 * the multiband compressor configuration panel in WISCE - see 106 * http://www.wolfsonmicro.com/wisce/ 107 */ 108 struct wm8958_enh_eq_cfg { 109 const char *name; 110 u16 regs[WM8958_ENH_EQ_REGS]; 111 }; 112 113 /** 114 * Microphone detection rates, used to tune response rates and power 115 * consumption for WM8958/WM1811 microphone detection. 116 * 117 * @sysclk: System clock rate to use this configuration for. 118 * @idle: True if this configuration should use when no accessory is detected, 119 * false otherwise. 120 * @start: Value for MICD_BIAS_START_TIME register field (not shifted). 121 * @rate: Value for MICD_RATE register field (not shifted). 122 */ 123 struct wm8958_micd_rate { 124 int sysclk; 125 bool idle; 126 int start; 127 int rate; 128 }; 129 130 struct wm8994_pdata { 131 int gpio_base; 132 133 /** 134 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO 135 * can be used for all zero values. 136 */ 137 int gpio_defaults[WM8994_NUM_GPIO]; 138 139 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO]; 140 141 int irq_base; /** Base IRQ number for WM8994, required for IRQs */ 142 unsigned long irq_flags; /** user irq flags */ 143 144 int num_drc_cfgs; 145 struct wm8994_drc_cfg *drc_cfgs; 146 147 int num_retune_mobile_cfgs; 148 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; 149 150 int num_mbc_cfgs; 151 struct wm8958_mbc_cfg *mbc_cfgs; 152 153 int num_vss_cfgs; 154 struct wm8958_vss_cfg *vss_cfgs; 155 156 int num_vss_hpf_cfgs; 157 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; 158 159 int num_enh_eq_cfgs; 160 struct wm8958_enh_eq_cfg *enh_eq_cfgs; 161 162 int num_micd_rates; 163 struct wm8958_micd_rate *micd_rates; 164 165 /* Power up delays to add after microphone bias power up (ms) */ 166 int micb1_delay; 167 int micb2_delay; 168 169 /* LINEOUT can be differential or single ended */ 170 unsigned int lineout1_diff:1; 171 unsigned int lineout2_diff:1; 172 173 /* Common mode feedback */ 174 unsigned int lineout1fb:1; 175 unsigned int lineout2fb:1; 176 177 /* Delay between detecting a jack and starting microphone 178 * detect (specified in ms) 179 */ 180 int micdet_delay; 181 182 /* Delay between microphone detect completing and reporting on 183 * insert (specified in ms) 184 */ 185 int mic_id_delay; 186 187 /* IRQ for microphone detection if brought out directly as a 188 * signal. 189 */ 190 int micdet_irq; 191 192 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ 193 unsigned int micbias1_lvl:1; 194 unsigned int micbias2_lvl:1; 195 196 /* WM8994 jack detect threashold levels, see datasheet for values */ 197 unsigned int jd_scthr:2; 198 unsigned int jd_thr:2; 199 200 /* Configure WM1811 jack detection for use with external capacitor */ 201 unsigned int jd_ext_cap:1; 202 203 /* WM8958 microphone bias configuration */ 204 int micbias[2]; 205 206 /* WM8958 microphone detection ranges */ 207 u16 micd_lvl_sel; 208 209 /* Disable the internal pull downs on the LDOs if they are 210 * always driven (eg, connected to an always on supply or 211 * GPIO that always drives an output. If they float power 212 * consumption will rise. 213 */ 214 bool ldo_ena_always_driven; 215 216 /* 217 * SPKMODE must be pulled internally by the device on this 218 * system. 219 */ 220 bool spkmode_pu; 221 222 /* 223 * CS/ADDR must be pulled internally by the device on this 224 * system. 225 */ 226 bool csnaddr_pd; 227 228 /** 229 * Maximum number of channels clocks will be generated for, 230 * useful for systems where and I2S bus with multiple data 231 * lines is mastered. 232 */ 233 int max_channels_clocked[WM8994_NUM_AIF]; 234 235 /** 236 * GPIO for the IRQ pin if host only supports edge triggering 237 */ 238 int irq_gpio; 239 }; 240 241 #endif 242