70 lines
3.0 KiB
C
70 lines
3.0 KiB
C
/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <bits.h>
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#include <debug.h>
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#include <reg.h>
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#define PM_WLED_BASE 0x1D800
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#define PM_WLED_CTNL_REG(n) (PM_WLED_BASE + n)
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#define PM_WLED_LED1_BRIGHTNESS_LSB PM_WLED_CTNL_REG(0x40)
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#define PM_WLED_LED1_BRIGHTNESS_MSB PM_WLED_CTNL_REG(0x41)
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#define PM_WLED_LED2_BRIGHTNESS_LSB PM_WLED_CTNL_REG(0x42)
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#define PM_WLED_LED2_BRIGHTNESS_MSB PM_WLED_CTNL_REG(0x43)
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#define PM_WLED_LED3_BRIGHTNESS_LSB PM_WLED_CTNL_REG(0x44)
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#define PM_WLED_LED3_BRIGHTNESS_MSB PM_WLED_CTNL_REG(0x45)
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#define PM_WLED_ENABLE PM_WLED_CTNL_REG(0x46)
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#define PM_WLED_ILED_SYNC_BIT PM_WLED_CTNL_REG(0x47)
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#define PM_WLED_MODULATION_SCHEME PM_WLED_CTNL_REG(0x4A)
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#define PM_WLED_MAX_DUTY_CYCLE PM_WLED_CTNL_REG(0x4B)
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#define PM_WLED_CURRENT_SINK PM_WLED_CTNL_REG(0x4F)
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#define PM_WLED_LED1_SINK_MASK BIT(7)
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#define PM_WLED_LED2_SINK_MASK BIT(6)
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#define PM_WLED_LED3_SINK_MASK BIT(5)
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#define PM_WLED_LED1_ILED_SYNC_MASK BIT(2)
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#define PM_WLED_LED2_ILED_SYNC_MASK BIT(1)
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#define PM_WLED_LED3_ILED_SYNC_MASK BIT(0)
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#define PM_WLED_ENABLE_MODULE_MASK BIT(7)
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struct pm8x41_wled_data{
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uint8_t mod_scheme;
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uint16_t led1_brightness;
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uint16_t led2_brightness;
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uint16_t led3_brightness;
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uint8_t max_duty_cycle;
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};
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void pm8x41_wled_config(struct pm8x41_wled_data *wled_ctrl);
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void pm8x41_wled_iled_sync_control(uint8_t enable);
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void pm8x41_wled_sink_control(uint8_t enable);
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void pm8x41_wled_enable(uint8_t enable);
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