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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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* include/media/i2c/adp1653.h
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*
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* Copyright (C) 2008--2011 Nokia Corporation
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*
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* Contact: Sakari Ailus <sakari.ailus@iki.fi>
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*
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* Contributors:
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* Sakari Ailus <sakari.ailus@iki.fi>
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* Tuukka Toivonen <tuukkat76@gmail.com>
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*/
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#ifndef ADP1653_H
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#define ADP1653_H
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-subdev.h>
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#define ADP1653_NAME "adp1653"
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#define ADP1653_I2C_ADDR (0x60 >> 1)
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/* Register definitions */
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#define ADP1653_REG_OUT_SEL 0x00
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#define ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN 0x01
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#define ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX 0x0b
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#define ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN 0x0c
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#define ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX 0x1f
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#define ADP1653_REG_OUT_SEL_HPLED_SHIFT 3
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#define ADP1653_REG_OUT_SEL_ILED_MAX 0x07
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#define ADP1653_REG_OUT_SEL_ILED_SHIFT 0
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#define ADP1653_REG_CONFIG 0x01
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#define ADP1653_REG_CONFIG_TMR_CFG (1 << 4)
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#define ADP1653_REG_CONFIG_TMR_SET_MAX 0x0f
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#define ADP1653_REG_CONFIG_TMR_SET_SHIFT 0
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#define ADP1653_REG_SW_STROBE 0x02
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#define ADP1653_REG_SW_STROBE_SW_STROBE (1 << 0)
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#define ADP1653_REG_FAULT 0x03
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#define ADP1653_REG_FAULT_FLT_SCP (1 << 3)
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#define ADP1653_REG_FAULT_FLT_OT (1 << 2)
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#define ADP1653_REG_FAULT_FLT_TMR (1 << 1)
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#define ADP1653_REG_FAULT_FLT_OV (1 << 0)
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#define ADP1653_INDICATOR_INTENSITY_MIN 0
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#define ADP1653_INDICATOR_INTENSITY_STEP 2500
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#define ADP1653_INDICATOR_INTENSITY_MAX \
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(ADP1653_REG_OUT_SEL_ILED_MAX * ADP1653_INDICATOR_INTENSITY_STEP)
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#define ADP1653_INDICATOR_INTENSITY_uA_TO_REG(a) \
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((a) / ADP1653_INDICATOR_INTENSITY_STEP)
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#define ADP1653_INDICATOR_INTENSITY_REG_TO_uA(a) \
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((a) * ADP1653_INDICATOR_INTENSITY_STEP)
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#define ADP1653_FLASH_INTENSITY_BASE 35
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#define ADP1653_FLASH_INTENSITY_STEP 15
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#define ADP1653_FLASH_INTENSITY_MIN \
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(ADP1653_FLASH_INTENSITY_BASE \
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+ ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN * ADP1653_FLASH_INTENSITY_STEP)
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#define ADP1653_FLASH_INTENSITY_MAX \
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(ADP1653_FLASH_INTENSITY_MIN + \
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(ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX - \
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ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN + 1) * \
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ADP1653_FLASH_INTENSITY_STEP)
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#define ADP1653_FLASH_INTENSITY_mA_TO_REG(a) \
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((a) < ADP1653_FLASH_INTENSITY_BASE ? 0 : \
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(((a) - ADP1653_FLASH_INTENSITY_BASE) / ADP1653_FLASH_INTENSITY_STEP))
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#define ADP1653_FLASH_INTENSITY_REG_TO_mA(a) \
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((a) * ADP1653_FLASH_INTENSITY_STEP + ADP1653_FLASH_INTENSITY_BASE)
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#define ADP1653_TORCH_INTENSITY_MIN \
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(ADP1653_FLASH_INTENSITY_BASE \
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+ ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN * ADP1653_FLASH_INTENSITY_STEP)
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#define ADP1653_TORCH_INTENSITY_MAX \
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(ADP1653_TORCH_INTENSITY_MIN + \
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(ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX - \
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ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN + 1) * \
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ADP1653_FLASH_INTENSITY_STEP)
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struct adp1653_platform_data {
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int (*power)(struct v4l2_subdev *sd, int on);
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u32 max_flash_timeout; /* flash light timeout in us */
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u32 max_flash_intensity; /* led intensity, flash mode, mA */
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u32 max_torch_intensity; /* led intensity, torch mode, mA */
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u32 max_indicator_intensity; /* indicator led intensity, uA */
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struct gpio_desc *enable_gpio; /* for device-tree based boot */
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};
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#define to_adp1653_flash(sd) container_of(sd, struct adp1653_flash, subdev)
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struct adp1653_flash {
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struct v4l2_subdev subdev;
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struct adp1653_platform_data *platform_data;
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struct v4l2_ctrl_handler ctrls;
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struct v4l2_ctrl *led_mode;
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struct v4l2_ctrl *flash_timeout;
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struct v4l2_ctrl *flash_intensity;
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struct v4l2_ctrl *torch_intensity;
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struct v4l2_ctrl *indicator_intensity;
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struct mutex power_lock;
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int power_count;
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int fault;
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};
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#endif /* ADP1653_H */
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