1 /* 2 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994 3 * 4 * Copyright 2009 Wolfson Microelectronics PLC. 5 * 6 * Author: Mark Brown <[email protected]> 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 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 struct wm8994_pdata { 117 int gpio_base; 118 119 /** 120 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO 121 * can be used for all zero values. 122 */ 123 int gpio_defaults[WM8994_NUM_GPIO]; 124 125 struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO]; 126 127 int irq_base; /** Base IRQ number for WM8994, required for IRQs */ 128 129 int num_drc_cfgs; 130 struct wm8994_drc_cfg *drc_cfgs; 131 132 int num_retune_mobile_cfgs; 133 struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; 134 135 int num_mbc_cfgs; 136 struct wm8958_mbc_cfg *mbc_cfgs; 137 138 int num_vss_cfgs; 139 struct wm8958_vss_cfg *vss_cfgs; 140 141 int num_vss_hpf_cfgs; 142 struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; 143 144 int num_enh_eq_cfgs; 145 struct wm8958_enh_eq_cfg *enh_eq_cfgs; 146 147 /* LINEOUT can be differential or single ended */ 148 unsigned int lineout1_diff:1; 149 unsigned int lineout2_diff:1; 150 151 /* Common mode feedback */ 152 unsigned int lineout1fb:1; 153 unsigned int lineout2fb:1; 154 155 /* IRQ for microphone detection if brought out directly as a 156 * signal. 157 */ 158 int micdet_irq; 159 160 /* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ 161 unsigned int micbias1_lvl:1; 162 unsigned int micbias2_lvl:1; 163 164 /* WM8994 jack detect threashold levels, see datasheet for values */ 165 unsigned int jd_scthr:2; 166 unsigned int jd_thr:2; 167 168 /* WM8958 microphone bias configuration */ 169 int micbias[2]; 170 }; 171 172 #endif 173