| Stefan Bosch | 34cffbf | 2020-07-10 19:07:31 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Copyright (C) 2009 Samsung Electronics |
| 4 | * Kyungmin Park <kyungmin.park@samsung.com> |
| 5 | * Minkyu Kang <mk7.kang@samsung.com> |
| 6 | */ |
| 7 | |
| 8 | #ifndef __ASM_ARM_ARCH_PWM_H_ |
| 9 | #define __ASM_ARM_ARCH_PWM_H_ |
| 10 | |
| 11 | #define PRESCALER_0 (8 - 1) /* prescaler of timer 0, 1 */ |
| 12 | #define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */ |
| 13 | |
| 14 | /* Divider MUX */ |
| 15 | #define MUX_DIV_1 0 /* 1/1 period */ |
| 16 | #define MUX_DIV_2 1 /* 1/2 period */ |
| 17 | #define MUX_DIV_4 2 /* 1/4 period */ |
| 18 | #define MUX_DIV_8 3 /* 1/8 period */ |
| 19 | #define MUX_DIV_16 4 /* 1/16 period */ |
| 20 | |
| 21 | #define MUX_DIV_SHIFT(x) ((x) * 4) |
| 22 | |
| 23 | #define TCON_OFFSET(x) (((x) + 1) * (!!(x)) << 2) |
| 24 | |
| 25 | #define TCON_START(x) (1 << TCON_OFFSET(x)) |
| 26 | #define TCON_UPDATE(x) (1 << (TCON_OFFSET(x) + 1)) |
| 27 | #define TCON_INVERTER(x) (1 << (TCON_OFFSET(x) + 2)) |
| 28 | #define TCON_AUTO_RELOAD(x) (1 << (TCON_OFFSET(x) + 3)) |
| 29 | #define TCON4_AUTO_RELOAD (1 << 22) |
| 30 | |
| 31 | #ifndef __ASSEMBLY__ |
| 32 | struct s5p_timer { |
| 33 | unsigned int tcfg0; |
| 34 | unsigned int tcfg1; |
| 35 | unsigned int tcon; |
| 36 | unsigned int tcntb0; |
| 37 | unsigned int tcmpb0; |
| 38 | unsigned int tcnto0; |
| 39 | unsigned int tcntb1; |
| 40 | unsigned int tcmpb1; |
| 41 | unsigned int tcnto1; |
| 42 | unsigned int tcntb2; |
| 43 | unsigned int tcmpb2; |
| 44 | unsigned int tcnto2; |
| 45 | unsigned int tcntb3; |
| 46 | unsigned int res1; |
| 47 | unsigned int tcnto3; |
| 48 | unsigned int tcntb4; |
| 49 | unsigned int tcnto4; |
| 50 | unsigned int tintcstat; |
| 51 | }; |
| Tom Rini | 66faa43 | 2022-12-04 10:03:26 -0500 | [diff] [blame] | 52 | |
| 53 | int s5p_pwm_init (int pwm_id, int div, int invert); |
| 54 | int s5p_pwm_config (int pwm_id, int duty_ns, int period_ns); |
| 55 | int s5p_pwm_enable (int pwm_id); |
| 56 | void s5p_pwm_disable (int pwm_id); |
| Stefan Bosch | 34cffbf | 2020-07-10 19:07:31 +0200 | [diff] [blame] | 57 | #endif /* __ASSEMBLY__ */ |
| 58 | |
| 59 | #endif |