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__ */ 72