/*
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* Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
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* its subsidiaries and affiliates (collectly called MKSEMI).
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*
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* All rights reserved.
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*
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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 met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into an MKSEMI
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* integrated circuit in a product or a software update for such product,
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* must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of MKSEMI nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* MKSEMI integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be
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* reverse engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY MKSEMI "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, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mk_io.h"
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void io_pin_mux_set(enum IO_PIN_T pin, enum IO_FUNC_T func)
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{
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if (pin < IO_PIN_8)
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{
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SYSCON->PIN_MUX_0 = SET_BIT_FIELD(SYSCON->PIN_MUX_0, (SYSCON_PIN_MUX_FUNC_MSK << (pin << 2)), (pin << 2), func);
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}
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else if (pin < IO_PIN_16)
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{
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SYSCON->PIN_MUX_1 = SET_BIT_FIELD(SYSCON->PIN_MUX_1, (SYSCON_PIN_MUX_FUNC_MSK << ((pin - IO_PIN_8) << 2)), ((pin - IO_PIN_8) << 2), func);
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}
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else
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{
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SYSCON->PIN_MUX_2 = SET_BIT_FIELD(SYSCON->PIN_MUX_2, (SYSCON_PIN_MUX_FUNC_MSK << ((pin - IO_PIN_16) << 2)), ((pin - IO_PIN_16) << 2), func);
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}
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}
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void io_open_drain_set(enum IO_PIN_T pin, bool en)
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{
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if (en)
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{
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SYSCON->IO_OD |= (1U << pin);
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}
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else
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{
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SYSCON->IO_OD &= ~(1U << pin);
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}
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}
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void io_drive_set(enum IO_PIN_T pin, enum IO_DRV_T strength)
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{
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if (strength == IO_DRV_HIGH)
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{
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SYSCON->IO_DRV |= (1U << pin);
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}
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else
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{
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SYSCON->IO_DRV &= ~(1U << pin);
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}
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}
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void io_pull_set(enum IO_PIN_T pin, enum IO_PULL_MODE_T pull_mode, enum IO_PULL_UP_LEVEL_T pull_up_level)
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{
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uint32_t val = SYSCON->IO_PUP[pin / 8] & (~(0x7U << ((pin % 8) * 4)));
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if (pull_mode == IO_PULL_UP)
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{
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SYSCON->IO_PDN &= ~(1U << pin);
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val |= ((uint32_t)pull_up_level << ((pin % 8) * 4));
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SYSCON->IO_PUP[pin / 8] = val;
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}
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else if (pull_mode == IO_PULL_DOWN)
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{
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SYSCON->IO_PUP[pin / 8] = val;
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SYSCON->IO_PDN |= (1U << pin);
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}
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else
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{
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SYSCON->IO_PUP[pin / 8] = val;
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SYSCON->IO_PDN &= ~(1U << pin);
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}
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}
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