| Sakari Ailus | 13abada | 2011-05-05 15:39:25 -0300 | [diff] [blame] | 1 | /* |
| 2 | * include/media/adp1653.h |
| 3 | * |
| 4 | * Copyright (C) 2008--2011 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> |
| 7 | * |
| 8 | * Contributors: |
| 9 | * Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> |
| 10 | * Tuukka Toivonen <tuukkat76@gmail.com> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License |
| 14 | * version 2 as published by the Free Software Foundation. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, but |
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 24 | * 02110-1301 USA |
| 25 | * |
| 26 | */ |
| 27 | |
| 28 | #ifndef ADP1653_H |
| 29 | #define ADP1653_H |
| 30 | |
| 31 | #include <linux/i2c.h> |
| 32 | #include <linux/mutex.h> |
| 33 | #include <linux/videodev2.h> |
| 34 | #include <media/v4l2-ctrls.h> |
| 35 | #include <media/v4l2-subdev.h> |
| 36 | |
| 37 | #define ADP1653_NAME "adp1653" |
| 38 | #define ADP1653_I2C_ADDR (0x60 >> 1) |
| 39 | |
| 40 | /* Register definitions */ |
| 41 | #define ADP1653_REG_OUT_SEL 0x00 |
| 42 | #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN 0x01 |
| 43 | #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX 0x0b |
| 44 | #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN 0x0c |
| 45 | #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX 0x1f |
| 46 | #define ADP1653_REG_OUT_SEL_HPLED_SHIFT 3 |
| 47 | #define ADP1653_REG_OUT_SEL_ILED_MAX 0x07 |
| 48 | #define ADP1653_REG_OUT_SEL_ILED_SHIFT 0 |
| 49 | |
| 50 | #define ADP1653_REG_CONFIG 0x01 |
| 51 | #define ADP1653_REG_CONFIG_TMR_CFG (1 << 4) |
| 52 | #define ADP1653_REG_CONFIG_TMR_SET_MAX 0x0f |
| 53 | #define ADP1653_REG_CONFIG_TMR_SET_SHIFT 0 |
| 54 | |
| 55 | #define ADP1653_REG_SW_STROBE 0x02 |
| 56 | #define ADP1653_REG_SW_STROBE_SW_STROBE (1 << 0) |
| 57 | |
| 58 | #define ADP1653_REG_FAULT 0x03 |
| 59 | #define ADP1653_REG_FAULT_FLT_SCP (1 << 3) |
| 60 | #define ADP1653_REG_FAULT_FLT_OT (1 << 2) |
| 61 | #define ADP1653_REG_FAULT_FLT_TMR (1 << 1) |
| 62 | #define ADP1653_REG_FAULT_FLT_OV (1 << 0) |
| 63 | |
| 64 | #define ADP1653_INDICATOR_INTENSITY_MIN 0 |
| 65 | #define ADP1653_INDICATOR_INTENSITY_STEP 2500 |
| 66 | #define ADP1653_INDICATOR_INTENSITY_MAX \ |
| 67 | (ADP1653_REG_OUT_SEL_ILED_MAX * ADP1653_INDICATOR_INTENSITY_STEP) |
| 68 | #define ADP1653_INDICATOR_INTENSITY_uA_TO_REG(a) \ |
| 69 | ((a) / ADP1653_INDICATOR_INTENSITY_STEP) |
| 70 | #define ADP1653_INDICATOR_INTENSITY_REG_TO_uA(a) \ |
| 71 | ((a) * ADP1653_INDICATOR_INTENSITY_STEP) |
| 72 | |
| 73 | #define ADP1653_FLASH_INTENSITY_BASE 35 |
| 74 | #define ADP1653_FLASH_INTENSITY_STEP 15 |
| 75 | #define ADP1653_FLASH_INTENSITY_MIN \ |
| 76 | (ADP1653_FLASH_INTENSITY_BASE \ |
| 77 | + ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN * ADP1653_FLASH_INTENSITY_STEP) |
| 78 | #define ADP1653_FLASH_INTENSITY_MAX \ |
| 79 | (ADP1653_FLASH_INTENSITY_MIN + \ |
| 80 | (ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX - \ |
| 81 | ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN + 1) * \ |
| 82 | ADP1653_FLASH_INTENSITY_STEP) |
| 83 | |
| 84 | #define ADP1653_FLASH_INTENSITY_mA_TO_REG(a) \ |
| 85 | ((a) < ADP1653_FLASH_INTENSITY_BASE ? 0 : \ |
| 86 | (((a) - ADP1653_FLASH_INTENSITY_BASE) / ADP1653_FLASH_INTENSITY_STEP)) |
| 87 | #define ADP1653_FLASH_INTENSITY_REG_TO_mA(a) \ |
| 88 | ((a) * ADP1653_FLASH_INTENSITY_STEP + ADP1653_FLASH_INTENSITY_BASE) |
| 89 | |
| 90 | #define ADP1653_TORCH_INTENSITY_MIN \ |
| 91 | (ADP1653_FLASH_INTENSITY_BASE \ |
| 92 | + ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN * ADP1653_FLASH_INTENSITY_STEP) |
| 93 | #define ADP1653_TORCH_INTENSITY_MAX \ |
| 94 | (ADP1653_TORCH_INTENSITY_MIN + \ |
| 95 | (ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX - \ |
| 96 | ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN + 1) * \ |
| 97 | ADP1653_FLASH_INTENSITY_STEP) |
| 98 | |
| 99 | struct adp1653_platform_data { |
| 100 | int (*power)(struct v4l2_subdev *sd, int on); |
| 101 | |
| 102 | u32 max_flash_timeout; /* flash light timeout in us */ |
| 103 | u32 max_flash_intensity; /* led intensity, flash mode */ |
| 104 | u32 max_torch_intensity; /* led intensity, torch mode */ |
| 105 | u32 max_indicator_intensity; /* indicator led intensity */ |
| 106 | }; |
| 107 | |
| 108 | #define to_adp1653_flash(sd) container_of(sd, struct adp1653_flash, subdev) |
| 109 | |
| 110 | struct adp1653_flash { |
| 111 | struct v4l2_subdev subdev; |
| 112 | struct adp1653_platform_data *platform_data; |
| 113 | |
| 114 | struct v4l2_ctrl_handler ctrls; |
| 115 | struct v4l2_ctrl *led_mode; |
| 116 | struct v4l2_ctrl *flash_timeout; |
| 117 | struct v4l2_ctrl *flash_intensity; |
| 118 | struct v4l2_ctrl *torch_intensity; |
| 119 | struct v4l2_ctrl *indicator_intensity; |
| 120 | |
| 121 | struct mutex power_lock; |
| 122 | int power_count; |
| 123 | int fault; |
| 124 | }; |
| 125 | |
| 126 | #endif /* ADP1653_H */ |