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/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 2006-2025 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef DRV_PWM_H__
#define DRV_PWM_H__
#include <stdint.h>
#define NSEC_PER_SEC 1000000000L
typedef struct
{
volatile uint32_t pwmcfg; /* 0x00 */
volatile uint32_t reserved0;
volatile uint32_t pwmcount; /* 0x08 */
volatile uint32_t reserved1;
volatile uint32_t pwms; /* 0x10 */
volatile uint32_t reserved2;
volatile uint32_t reserved3;
volatile uint32_t reserved4;
volatile uint32_t pwmcmp0; /* 0x20 */
volatile uint32_t pwmcmp1; /* 0x24 */
volatile uint32_t pwmcmp2; /* 0x28 */
volatile uint32_t pwmcmp3; /* 0x2c */
} kd_pwm_t;
typedef struct
{
uint32_t scale : 4;
uint32_t reserve: 4;
uint32_t sticky : 1;
uint32_t zerocmp : 1;
uint32_t deglitch : 1;
uint32_t reserve1 : 1;
uint32_t enalways : 1;
uint32_t enoneshot : 1;
uint32_t reserve2 : 2;
uint32_t cmp0center : 1;
uint32_t cmp1center : 1;
uint32_t cmp2center : 1;
uint32_t cmp3center : 1;
uint32_t reserve3 : 4;
uint32_t cmp0gang : 1;
uint32_t cmp1gang : 1;
uint32_t cmp2gang : 1;
uint32_t cmp3gang : 1;
uint32_t cmp0ip : 1;
uint32_t cmp1ip : 1;
uint32_t cmp2ip : 1;
uint32_t cmp3ip : 1;
} pwm_cfg_t;
typedef struct
{
pwm_cfg_t cfg;
uint32_t freq;
uint32_t cmp0_val;
double cmp1_duty;
double cmp2_duty;
double cmp3_duty;
} pwm_param_t;
#endif
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