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a155-U-u1/kernel-5.10/drivers/misc/mediatek/include/mt-plat/mtk_pwm.h
2024-03-11 06:53:12 +11:00

117 lines
2.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef __MT_PWM_H__
#define __MT_PWM_H__
#include <linux/types.h>
#include <mt-plat/mtk_pwm_hal.h>
struct pwm_easy_config {
u32 pwm_no;
u32 duty;
u32 clk_src;
u32 clk_div;
u16 duration;
u8 pmic_pad;
};
struct pwm_spec_config {
u32 pwm_no;
u32 mode;
u32 clk_div;
u32 clk_src;
u8 intr;
u8 pmic_pad;
union {
/* for old mode */
struct _PWM_OLDMODE_REGS {
u16 IDLE_VALUE;
u16 GUARD_VALUE;
u16 GDURATION;
u16 WAVE_NUM;
u16 DATA_WIDTH;
u16 THRESH;
} PWM_MODE_OLD_REGS;
/* for fifo mode */
struct _PWM_MODE_FIFO_REGS {
u32 IDLE_VALUE;
u32 GUARD_VALUE;
u32 STOP_BITPOS_VALUE;
u16 HDURATION;
u16 LDURATION;
u32 GDURATION;
u32 SEND_DATA0;
u32 SEND_DATA1;
u32 WAVE_NUM;
} PWM_MODE_FIFO_REGS;
/* for memory mode */
struct _PWM_MODE_MEMORY_REGS {
u32 IDLE_VALUE;
u32 GUARD_VALUE;
u32 STOP_BITPOS_VALUE;
u16 HDURATION;
u16 LDURATION;
u16 GDURATION;
dma_addr_t BUF0_BASE_ADDR;
u32 BUF0_SIZE;
u16 WAVE_NUM;
} PWM_MODE_MEMORY_REGS;
/* for RANDOM mode */
struct _PWM_MODE_RANDOM_REGS {
u16 IDLE_VALUE;
u16 GUARD_VALUE;
u32 STOP_BITPOS_VALUE;
u16 HDURATION;
u16 LDURATION;
u16 GDURATION;
dma_addr_t BUF0_BASE_ADDR;
u32 BUF0_SIZE;
dma_addr_t BUF1_BASE_ADDR;
u32 BUF1_SIZE;
u16 WAVE_NUM;
u32 VALID;
} PWM_MODE_RANDOM_REGS;
/* for seq mode */
struct _PWM_MODE_DELAY_REGS {
/* u32 ENABLE_DELAY_VALUE; */
u16 PWM3_DELAY_DUR;
u32 PWM3_DELAY_CLK;
/* 0: block clock source, 1: block/1625 clock source */
u16 PWM4_DELAY_DUR;
u32 PWM4_DELAY_CLK;
u16 PWM5_DELAY_DUR;
u32 PWM5_DELAY_CLK;
} PWM_MODE_DELAY_REGS;
};
};
s32 pwm_set_easy_config(struct pwm_easy_config *conf);
s32 pwm_set_spec_config(struct pwm_spec_config *conf);
void mt_pwm_dump_regs(void);
void mt_pwm_disable(u32 pwm_no, u8 pmic_pad);
/*----------3dLCM support-----------*/
void mt_set_pwm_3dlcm_enable(u8 enable);
/*
* set "pwm_no" inversion of pwm base or not
*/
void mt_set_pwm_3dlcm_inv(u32 pwm_no, u8 inv);
/* void mt_set_pwm_3dlcm_base(u32 pwm_no); */
/* void mt_pwm_26M_clk_enable(u32 enable); */
s32 mt_set_intr_ack(u32 pwm_intr_ack_bit);
s32 mt_set_intr_enable(u32 pwm_intr_enable_bit);
s32 mt_get_intr_status(u32 pwm_intr_status_bit);
#endif