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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin st fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
169 lines
3.9 KiB
C
169 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/include/linux/mfd/aat2870.h
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*
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* Copyright (c) 2011, NVIDIA Corporation.
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* Author: Jin Park <jinyoungp@nvidia.com>
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*/
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#ifndef __LINUX_MFD_AAT2870_H
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#define __LINUX_MFD_AAT2870_H
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#include <linux/debugfs.h>
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#include <linux/i2c.h>
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/* Register offsets */
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#define AAT2870_BL_CH_EN 0x00
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#define AAT2870_BLM 0x01
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#define AAT2870_BLS 0x02
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#define AAT2870_BL1 0x03
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#define AAT2870_BL2 0x04
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#define AAT2870_BL3 0x05
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#define AAT2870_BL4 0x06
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#define AAT2870_BL5 0x07
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#define AAT2870_BL6 0x08
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#define AAT2870_BL7 0x09
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#define AAT2870_BL8 0x0A
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#define AAT2870_FLR 0x0B
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#define AAT2870_FM 0x0C
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#define AAT2870_FS 0x0D
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#define AAT2870_ALS_CFG0 0x0E
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#define AAT2870_ALS_CFG1 0x0F
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#define AAT2870_ALS_CFG2 0x10
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#define AAT2870_AMB 0x11
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#define AAT2870_ALS0 0x12
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#define AAT2870_ALS1 0x13
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#define AAT2870_ALS2 0x14
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#define AAT2870_ALS3 0x15
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#define AAT2870_ALS4 0x16
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#define AAT2870_ALS5 0x17
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#define AAT2870_ALS6 0x18
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#define AAT2870_ALS7 0x19
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#define AAT2870_ALS8 0x1A
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#define AAT2870_ALS9 0x1B
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#define AAT2870_ALSA 0x1C
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#define AAT2870_ALSB 0x1D
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#define AAT2870_ALSC 0x1E
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#define AAT2870_ALSD 0x1F
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#define AAT2870_ALSE 0x20
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#define AAT2870_ALSF 0x21
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#define AAT2870_SUB_SET 0x22
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#define AAT2870_SUB_CTRL 0x23
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#define AAT2870_LDO_AB 0x24
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#define AAT2870_LDO_CD 0x25
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#define AAT2870_LDO_EN 0x26
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#define AAT2870_REG_NUM 0x27
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/* Device IDs */
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enum aat2870_id {
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AAT2870_ID_BL,
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AAT2870_ID_LDOA,
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AAT2870_ID_LDOB,
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AAT2870_ID_LDOC,
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AAT2870_ID_LDOD
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};
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/* Backlight channels */
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#define AAT2870_BL_CH1 0x01
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#define AAT2870_BL_CH2 0x02
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#define AAT2870_BL_CH3 0x04
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#define AAT2870_BL_CH4 0x08
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#define AAT2870_BL_CH5 0x10
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#define AAT2870_BL_CH6 0x20
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#define AAT2870_BL_CH7 0x40
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#define AAT2870_BL_CH8 0x80
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#define AAT2870_BL_CH_ALL 0xFF
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/* Backlight current magnitude (mA) */
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enum aat2870_current {
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AAT2870_CURRENT_0_45 = 1,
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AAT2870_CURRENT_0_90,
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AAT2870_CURRENT_1_80,
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AAT2870_CURRENT_2_70,
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AAT2870_CURRENT_3_60,
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AAT2870_CURRENT_4_50,
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AAT2870_CURRENT_5_40,
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AAT2870_CURRENT_6_30,
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AAT2870_CURRENT_7_20,
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AAT2870_CURRENT_8_10,
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AAT2870_CURRENT_9_00,
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AAT2870_CURRENT_9_90,
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AAT2870_CURRENT_10_8,
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AAT2870_CURRENT_11_7,
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AAT2870_CURRENT_12_6,
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AAT2870_CURRENT_13_5,
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AAT2870_CURRENT_14_4,
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AAT2870_CURRENT_15_3,
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AAT2870_CURRENT_16_2,
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AAT2870_CURRENT_17_1,
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AAT2870_CURRENT_18_0,
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AAT2870_CURRENT_18_9,
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AAT2870_CURRENT_19_8,
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AAT2870_CURRENT_20_7,
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AAT2870_CURRENT_21_6,
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AAT2870_CURRENT_22_5,
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AAT2870_CURRENT_23_4,
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AAT2870_CURRENT_24_3,
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AAT2870_CURRENT_25_2,
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AAT2870_CURRENT_26_1,
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AAT2870_CURRENT_27_0,
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AAT2870_CURRENT_27_9
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};
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struct aat2870_register {
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bool readable;
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bool writeable;
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u8 value;
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};
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struct aat2870_data {
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struct device *dev;
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struct i2c_client *client;
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struct mutex io_lock;
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struct aat2870_register *reg_cache; /* register cache */
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int en_pin; /* enable GPIO pin (if < 0, ignore this value) */
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bool is_enable;
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/* init and uninit for platform specified */
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int (*init)(struct aat2870_data *aat2870);
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void (*uninit)(struct aat2870_data *aat2870);
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/* i2c io funcntions */
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int (*read)(struct aat2870_data *aat2870, u8 addr, u8 *val);
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int (*write)(struct aat2870_data *aat2870, u8 addr, u8 val);
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int (*update)(struct aat2870_data *aat2870, u8 addr, u8 mask, u8 val);
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/* for debugfs */
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struct dentry *dentry_root;
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struct dentry *dentry_reg;
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};
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struct aat2870_subdev_info {
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int id;
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const char *name;
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void *platform_data;
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};
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struct aat2870_platform_data {
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int en_pin; /* enable GPIO pin (if < 0, ignore this value) */
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struct aat2870_subdev_info *subdevs;
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int num_subdevs;
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/* init and uninit for platform specified */
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int (*init)(struct aat2870_data *aat2870);
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void (*uninit)(struct aat2870_data *aat2870);
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};
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struct aat2870_bl_platform_data {
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/* backlight channels, default is AAT2870_BL_CH_ALL */
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int channels;
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/* backlight current magnitude, default is AAT2870_CURRENT_27_9 */
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int max_current;
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/* maximum brightness, default is 255 */
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int max_brightness;
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};
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#endif /* __LINUX_MFD_AAT2870_H */
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