| /* 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 |
