projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a49d2536 AC |
1 | /* |
| 2 | * Support for Intel Camera Imaging ISP subsystem. | |
| 3 | * Copyright (c) 2010-2015, Intel Corporation. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #include <type_support.h> /*uint32_t */ | |
| 16 | #include "gp_timer.h" /*system_local.h, | |
| 17 | gp_timer_public.h*/ | |
| 18 | ||
| 19 | #ifndef __INLINE_GP_TIMER__ | |
| 20 | #include "gp_timer_private.h" /*device_access.h*/ | |
| 21 | #endif /* __INLINE_GP_TIMER__ */ | |
| 22 | #include "system_local.h" | |
| 23 | ||
| d929fb4e | 24 | /* FIXME: not sure if reg_load(), reg_store() should be API. |
| a49d2536 AC |
25 | */ |
| 26 | static uint32_t | |
| 27 | gp_timer_reg_load(uint32_t reg); | |
| 28 | ||
| 29 | static void | |
| 30 | gp_timer_reg_store(uint32_t reg, uint32_t value); | |
| 31 | ||
| 32 | uint32_t | |
| 33 | gp_timer_reg_load(uint32_t reg) | |
| 34 | { | |
| 35 | return ia_css_device_load_uint32( | |
| 36 | GP_TIMER_BASE + | |
| 37 | (reg * sizeof(uint32_t))); | |
| 38 | } | |
| 39 | ||
| 40 | static void | |
| 41 | gp_timer_reg_store(uint32_t reg, uint32_t value) | |
| 42 | { | |
| 43 | ia_css_device_store_uint32((GP_TIMER_BASE + | |
| 44 | (reg * sizeof(uint32_t))), | |
| 45 | value); | |
| 46 | } | |
| 47 | ||
| 48 | void gp_timer_init(gp_timer_ID_t ID) | |
| 49 | { | |
| 50 | /* set_overall_enable*/ | |
| 51 | gp_timer_reg_store(_REG_GP_TIMER_OVERALL_ENABLE, 1); | |
| 52 | ||
| 53 | /*set enable*/ | |
| 54 | gp_timer_reg_store(_REG_GP_TIMER_ENABLE_ID(ID), 1); | |
| 55 | ||
| 56 | /* set signal select */ | |
| 57 | gp_timer_reg_store(_REG_GP_TIMER_SIGNAL_SELECT_ID(ID), GP_TIMER_SIGNAL_SELECT); | |
| 58 | ||
| 59 | /*set count type */ | |
| 60 | gp_timer_reg_store(_REG_GP_TIMER_COUNT_TYPE_ID(ID), GP_TIMER_COUNT_TYPE_LOW); | |
| 61 | ||
| 62 | /*reset gp timer */ | |
| 63 | gp_timer_reg_store(_REG_GP_TIMER_RESET_REG, 0xFF); | |
| 64 | } | |
| 65 | ||
| 66 | uint32_t | |
| 67 | gp_timer_read(gp_timer_ID_t ID) | |
| 68 | { | |
| 69 | return gp_timer_reg_load(_REG_GP_TIMER_VALUE_ID(ID)); | |
| 70 | } |