| Mark Brown | 9e50108 | 2010-01-29 18:20:29 +0000 | [diff] [blame] | 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 | struct regulator_init_data *init_data; |
| 27 | }; |
| 28 | |
| 29 | #define WM8994_CONFIGURE_GPIO 0x8000 |
| 30 | |
| 31 | #define WM8994_DRC_REGS 5 |
| 32 | #define WM8994_EQ_REGS 19 |
| 33 | |
| 34 | /** |
| 35 | * DRC configurations are specified with a label and a set of register |
| 36 | * values to write (the enable bits will be ignored). At runtime an |
| 37 | * enumerated control will be presented for each DRC block allowing |
| 38 | * the user to choose the configration to use. |
| 39 | * |
| 40 | * Configurations may be generated by hand or by using the DRC control |
| 41 | * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/ |
| 42 | * for details. |
| 43 | */ |
| 44 | struct wm8994_drc_cfg { |
| 45 | const char *name; |
| 46 | u16 regs[WM8994_DRC_REGS]; |
| 47 | }; |
| 48 | |
| 49 | /** |
| 50 | * ReTune Mobile configurations are specified with a label, sample |
| 51 | * rate and set of values to write (the enable bits will be ignored). |
| 52 | * |
| 53 | * Configurations are expected to be generated using the ReTune Mobile |
| 54 | * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/ |
| 55 | */ |
| 56 | struct wm8994_retune_mobile_cfg { |
| 57 | const char *name; |
| 58 | unsigned int rate; |
| 59 | u16 regs[WM8994_EQ_REGS]; |
| 60 | }; |
| 61 | |
| 62 | struct wm8994_pdata { |
| 63 | int gpio_base; |
| 64 | |
| 65 | /** |
| 66 | * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO |
| 67 | * can be used for all zero values. |
| 68 | */ |
| 69 | int gpio_defaults[WM8994_NUM_GPIO]; |
| 70 | |
| 71 | struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO]; |
| 72 | |
| 73 | |
| 74 | int num_drc_cfgs; |
| 75 | struct wm8994_drc_cfg *drc_cfgs; |
| 76 | |
| 77 | int num_retune_mobile_cfgs; |
| 78 | struct wm8994_retune_mobile_cfg *retune_mobile_cfgs; |
| 79 | |
| 80 | /* LINEOUT can be differential or single ended */ |
| 81 | unsigned int lineout1_diff:1; |
| 82 | unsigned int lineout2_diff:1; |
| 83 | |
| 84 | /* Common mode feedback */ |
| 85 | unsigned int lineout1fb:1; |
| 86 | unsigned int lineout2fb:1; |
| 87 | |
| 88 | /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */ |
| 89 | unsigned int micbias1_lvl:1; |
| 90 | unsigned int micbias2_lvl:1; |
| 91 | |
| 92 | /* Jack detect threashold levels, see datasheet for values */ |
| 93 | unsigned int jd_scthr:2; |
| 94 | unsigned int jd_thr:2; |
| 95 | }; |
| 96 | |
| 97 | #endif |