1 /* include/linux/cm3217.h
3 * Copyright (C) 2011 Capella Microsystems Inc.
4 * Author: Frank Hsieh <pengyueh@gmail.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #ifndef __LINUX_CM3217_H
18 #define __LINUX_CM3217_H
20 #define CM3217_I2C_NAME "cm3217"
22 #define ALS_W_CMD1_addr (0x20 >> 1)
23 #define ALS_W_CMD2_addr (0x22 >> 1)
24 #define ALS_R_MSB_addr (0x21 >> 1)
25 #define ALS_R_LSB_addr (0x23 >> 1)
27 #define ALS_CALIBRATED 0x6E93
31 /* for ALS command 20h */
32 #define CM3217_ALS_BIT5_Default_1 (1 << 5)
33 #define CM3217_ALS_IT_HALF_T (0 << 2)
34 #define CM3217_ALS_IT_1_T (1 << 2)
35 #define CM3217_ALS_IT_2_T (2 << 2)
36 #define CM3217_ALS_IT_4_T (4 << 2)
37 #define CM3217_ALS_WDM_DEFAULT_1 (1 << 1)
38 #define CM3217_ALS_SD (1 << 0)
40 /* for ALS command 22h */
41 #define CM3217_ALS_IT_800ms (0 << 5)
42 #define CM3217_ALS_IT_400ms (1 << 5)
43 #define CM3217_ALS_IT_266ms (2 << 5)
44 #define CM3217_ALS_IT_200ms (3 << 5)
45 #define CM3217_ALS_IT_130ms (4 << 5)
46 #define CM3217_ALS_IT_100ms (5 << 5)
47 #define CM3217_ALS_IT_80ms (6 << 5)
48 #define CM3217_ALS_IT_66ms (7 << 5)
50 struct cm3217_platform_data {
53 int (*power) (int, uint8_t); /* power to the chip */
54 uint16_t ALS_slave_address;
57 #define LS_PWR_ON (1 << 0)