| Laurent Pinchart | 22db44c | 2011-05-05 15:39:25 -0300 | [diff] [blame] | 1 | /* |
| 2 | * include/media/as3645a.h |
| 3 | * |
| 4 | * Copyright (C) 2008-2011 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef __AS3645A_H__ |
| 25 | #define __AS3645A_H__ |
| 26 | |
| 27 | #include <media/v4l2-subdev.h> |
| 28 | |
| 29 | #define AS3645A_NAME "as3645a" |
| 30 | #define AS3645A_I2C_ADDR (0x60 >> 1) /* W:0x60, R:0x61 */ |
| 31 | |
| 32 | #define AS3645A_FLASH_TIMEOUT_MIN 100000 /* us */ |
| 33 | #define AS3645A_FLASH_TIMEOUT_MAX 850000 |
| 34 | #define AS3645A_FLASH_TIMEOUT_STEP 50000 |
| 35 | |
| 36 | #define AS3645A_FLASH_INTENSITY_MIN 200 /* mA */ |
| 37 | #define AS3645A_FLASH_INTENSITY_MAX_1LED 500 |
| 38 | #define AS3645A_FLASH_INTENSITY_MAX_2LEDS 400 |
| 39 | #define AS3645A_FLASH_INTENSITY_STEP 20 |
| 40 | |
| 41 | #define AS3645A_TORCH_INTENSITY_MIN 20 /* mA */ |
| 42 | #define AS3645A_TORCH_INTENSITY_MAX 160 |
| 43 | #define AS3645A_TORCH_INTENSITY_STEP 20 |
| 44 | |
| 45 | #define AS3645A_INDICATOR_INTENSITY_MIN 0 /* uA */ |
| 46 | #define AS3645A_INDICATOR_INTENSITY_MAX 10000 |
| 47 | #define AS3645A_INDICATOR_INTENSITY_STEP 2500 |
| 48 | |
| 49 | /* |
| 50 | * as3645a_platform_data - Flash controller platform data |
| 51 | * @set_power: Set power callback |
| 52 | * @vref: VREF offset (0=0V, 1=+0.3V, 2=-0.3V, 3=+0.6V) |
| 53 | * @peak: Inductor peak current limit (0=1.25A, 1=1.5A, 2=1.75A, 3=2.0A) |
| 54 | * @ext_strobe: True if external flash strobe can be used |
| 55 | * @flash_max_current: Max flash current (mA, <= AS3645A_FLASH_INTENSITY_MAX) |
| 56 | * @torch_max_current: Max torch current (mA, >= AS3645A_TORCH_INTENSITY_MAX) |
| 57 | * @timeout_max: Max flash timeout (us, <= AS3645A_FLASH_TIMEOUT_MAX) |
| 58 | */ |
| 59 | struct as3645a_platform_data { |
| 60 | int (*set_power)(struct v4l2_subdev *subdev, int on); |
| 61 | unsigned int vref; |
| 62 | unsigned int peak; |
| 63 | bool ext_strobe; |
| 64 | |
| 65 | /* Flash and torch currents and timeout limits */ |
| 66 | unsigned int flash_max_current; |
| 67 | unsigned int torch_max_current; |
| 68 | unsigned int timeout_max; |
| 69 | }; |
| 70 | |
| 71 | #endif /* __AS3645A_H__ */ |