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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2009 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
* Minkyu Kang <mk7.kang@samsung.com>
*/
#ifndef __ASM_ARM_ARCH_PWM_H_
#define __ASM_ARM_ARCH_PWM_H_
#define PRESCALER_0 (8 - 1) /* prescaler of timer 0, 1 */
#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
/* Divider MUX */
#define MUX_DIV_1 0 /* 1/1 period */
#define MUX_DIV_2 1 /* 1/2 period */
#define MUX_DIV_4 2 /* 1/4 period */
#define MUX_DIV_8 3 /* 1/8 period */
#define MUX_DIV_16 4 /* 1/16 period */
#define MUX_DIV_SHIFT(x) (x * 4)
#define TCON_OFFSET(x) ((x + 1) * (!!x) << 2)
#define TCON_START(x) (1 << TCON_OFFSET(x))
#define TCON_UPDATE(x) (1 << (TCON_OFFSET(x) + 1))
#define TCON_INVERTER(x) (1 << (TCON_OFFSET(x) + 2))
#define TCON_AUTO_RELOAD(x) (1 << (TCON_OFFSET(x) + 3))
#define TCON4_AUTO_RELOAD (1 << 22)
#ifndef __ASSEMBLY__
struct s5p_timer {
unsigned int tcfg0;
unsigned int tcfg1;
unsigned int tcon;
unsigned int tcntb0;
unsigned int tcmpb0;
unsigned int tcnto0;
unsigned int tcntb1;
unsigned int tcmpb1;
unsigned int tcnto1;
unsigned int tcntb2;
unsigned int tcmpb2;
unsigned int tcnto2;
unsigned int tcntb3;
unsigned int tcmpb3;
unsigned int tcnto3;
unsigned int tcntb4;
unsigned int tcnto4;
unsigned int tintcstat;
};
int s5p_pwm_init (int pwm_id, int div, int invert);
int s5p_pwm_config (int pwm_id, int duty_ns, int period_ns);
int s5p_pwm_enable (int pwm_id);
void s5p_pwm_disable (int pwm_id);
#endif /* __ASSEMBLY__ */
#endif
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