/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2009 Samsung Electronics * Kyungmin Park * Minkyu Kang */ #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 res1; 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