19d4fa1a1SMauro Carvalho Chehab /* 29d4fa1a1SMauro Carvalho Chehab * Support for Intel Camera Imaging ISP subsystem. 39d4fa1a1SMauro Carvalho Chehab * Copyright (c) 2010-2015, Intel Corporation. 49d4fa1a1SMauro Carvalho Chehab * 59d4fa1a1SMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify it 69d4fa1a1SMauro Carvalho Chehab * under the terms and conditions of the GNU General Public License, 79d4fa1a1SMauro Carvalho Chehab * version 2, as published by the Free Software Foundation. 89d4fa1a1SMauro Carvalho Chehab * 99d4fa1a1SMauro Carvalho Chehab * This program is distributed in the hope it will be useful, but WITHOUT 109d4fa1a1SMauro Carvalho Chehab * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 119d4fa1a1SMauro Carvalho Chehab * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 129d4fa1a1SMauro Carvalho Chehab * more details. 139d4fa1a1SMauro Carvalho Chehab */ 149d4fa1a1SMauro Carvalho Chehab 159d4fa1a1SMauro Carvalho Chehab #include <type_support.h> /*uint32_t */ 169d4fa1a1SMauro Carvalho Chehab #include "gp_timer.h" /*system_local.h, 179d4fa1a1SMauro Carvalho Chehab gp_timer_public.h*/ 189d4fa1a1SMauro Carvalho Chehab 199d4fa1a1SMauro Carvalho Chehab #ifndef __INLINE_GP_TIMER__ 209d4fa1a1SMauro Carvalho Chehab #include "gp_timer_private.h" /*device_access.h*/ 219d4fa1a1SMauro Carvalho Chehab #endif /* __INLINE_GP_TIMER__ */ 229d4fa1a1SMauro Carvalho Chehab #include "system_local.h" 239d4fa1a1SMauro Carvalho Chehab 249d4fa1a1SMauro Carvalho Chehab /* FIXME: not sure if reg_load(), reg_store() should be API. 259d4fa1a1SMauro Carvalho Chehab */ 269d4fa1a1SMauro Carvalho Chehab static uint32_t 279d4fa1a1SMauro Carvalho Chehab gp_timer_reg_load(uint32_t reg); 289d4fa1a1SMauro Carvalho Chehab 299d4fa1a1SMauro Carvalho Chehab static void 309d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(u32 reg, uint32_t value); 319d4fa1a1SMauro Carvalho Chehab 329d4fa1a1SMauro Carvalho Chehab static uint32_t 339d4fa1a1SMauro Carvalho Chehab gp_timer_reg_load(uint32_t reg) 349d4fa1a1SMauro Carvalho Chehab { 359d4fa1a1SMauro Carvalho Chehab return ia_css_device_load_uint32( 369d4fa1a1SMauro Carvalho Chehab GP_TIMER_BASE + 379d4fa1a1SMauro Carvalho Chehab (reg * sizeof(uint32_t))); 389d4fa1a1SMauro Carvalho Chehab } 399d4fa1a1SMauro Carvalho Chehab 409d4fa1a1SMauro Carvalho Chehab static void 419d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(u32 reg, uint32_t value) 429d4fa1a1SMauro Carvalho Chehab { 439d4fa1a1SMauro Carvalho Chehab ia_css_device_store_uint32((GP_TIMER_BASE + 449d4fa1a1SMauro Carvalho Chehab (reg * sizeof(uint32_t))), 459d4fa1a1SMauro Carvalho Chehab value); 469d4fa1a1SMauro Carvalho Chehab } 479d4fa1a1SMauro Carvalho Chehab 489d4fa1a1SMauro Carvalho Chehab void gp_timer_init(gp_timer_ID_t ID) 499d4fa1a1SMauro Carvalho Chehab { 509d4fa1a1SMauro Carvalho Chehab /* set_overall_enable*/ 519d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_OVERALL_ENABLE, 1); 529d4fa1a1SMauro Carvalho Chehab 539d4fa1a1SMauro Carvalho Chehab /*set enable*/ 549d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_ENABLE_ID(ID), 1); 559d4fa1a1SMauro Carvalho Chehab 569d4fa1a1SMauro Carvalho Chehab /* set signal select */ 579d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_SIGNAL_SELECT_ID(ID), GP_TIMER_SIGNAL_SELECT); 589d4fa1a1SMauro Carvalho Chehab 599d4fa1a1SMauro Carvalho Chehab /*set count type */ 609d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_COUNT_TYPE_ID(ID), GP_TIMER_COUNT_TYPE_LOW); 619d4fa1a1SMauro Carvalho Chehab 629d4fa1a1SMauro Carvalho Chehab /*reset gp timer */ 639d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_RESET_REG, 0xFF); 649d4fa1a1SMauro Carvalho Chehab } 659d4fa1a1SMauro Carvalho Chehab 669d4fa1a1SMauro Carvalho Chehab uint32_t 679d4fa1a1SMauro Carvalho Chehab gp_timer_read(gp_timer_ID_t ID) 689d4fa1a1SMauro Carvalho Chehab { 699d4fa1a1SMauro Carvalho Chehab return gp_timer_reg_load(_REG_GP_TIMER_VALUE_ID(ID)); 709d4fa1a1SMauro Carvalho Chehab } 71