1f5fbb83fSMauro Carvalho Chehab // SPDX-License-Identifier: GPL-2.0
29d4fa1a1SMauro Carvalho Chehab /*
39d4fa1a1SMauro Carvalho Chehab * Support for Intel Camera Imaging ISP subsystem.
49d4fa1a1SMauro Carvalho Chehab * Copyright (c) 2010-2015, Intel Corporation.
59d4fa1a1SMauro Carvalho Chehab *
69d4fa1a1SMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify it
79d4fa1a1SMauro Carvalho Chehab * under the terms and conditions of the GNU General Public License,
89d4fa1a1SMauro Carvalho Chehab * version 2, as published by the Free Software Foundation.
99d4fa1a1SMauro Carvalho Chehab *
109d4fa1a1SMauro Carvalho Chehab * This program is distributed in the hope it will be useful, but WITHOUT
119d4fa1a1SMauro Carvalho Chehab * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
129d4fa1a1SMauro Carvalho Chehab * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
139d4fa1a1SMauro Carvalho Chehab * more details.
149d4fa1a1SMauro Carvalho Chehab */
159d4fa1a1SMauro Carvalho Chehab
169d4fa1a1SMauro Carvalho Chehab #include <type_support.h> /*uint32_t */
179d4fa1a1SMauro Carvalho Chehab #include "gp_timer.h" /*system_local.h,
189d4fa1a1SMauro Carvalho Chehab gp_timer_public.h*/
199d4fa1a1SMauro Carvalho Chehab
209d4fa1a1SMauro Carvalho Chehab #ifndef __INLINE_GP_TIMER__
219d4fa1a1SMauro Carvalho Chehab #include "gp_timer_private.h" /*device_access.h*/
229d4fa1a1SMauro Carvalho Chehab #endif /* __INLINE_GP_TIMER__ */
239d4fa1a1SMauro Carvalho Chehab #include "system_local.h"
249d4fa1a1SMauro Carvalho Chehab
259d4fa1a1SMauro Carvalho Chehab /* FIXME: not sure if reg_load(), reg_store() should be API.
269d4fa1a1SMauro Carvalho Chehab */
279d4fa1a1SMauro Carvalho Chehab static uint32_t
289d4fa1a1SMauro Carvalho Chehab gp_timer_reg_load(uint32_t reg);
299d4fa1a1SMauro Carvalho Chehab
309d4fa1a1SMauro Carvalho Chehab static void
319d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(u32 reg, uint32_t value);
329d4fa1a1SMauro Carvalho Chehab
339d4fa1a1SMauro Carvalho Chehab static uint32_t
gp_timer_reg_load(uint32_t reg)349d4fa1a1SMauro Carvalho Chehab gp_timer_reg_load(uint32_t reg)
359d4fa1a1SMauro Carvalho Chehab {
369d4fa1a1SMauro Carvalho Chehab return ia_css_device_load_uint32(
379d4fa1a1SMauro Carvalho Chehab GP_TIMER_BASE +
389d4fa1a1SMauro Carvalho Chehab (reg * sizeof(uint32_t)));
399d4fa1a1SMauro Carvalho Chehab }
409d4fa1a1SMauro Carvalho Chehab
419d4fa1a1SMauro Carvalho Chehab static void
gp_timer_reg_store(u32 reg,uint32_t value)429d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(u32 reg, uint32_t value)
439d4fa1a1SMauro Carvalho Chehab {
449d4fa1a1SMauro Carvalho Chehab ia_css_device_store_uint32((GP_TIMER_BASE +
459d4fa1a1SMauro Carvalho Chehab (reg * sizeof(uint32_t))),
469d4fa1a1SMauro Carvalho Chehab value);
479d4fa1a1SMauro Carvalho Chehab }
489d4fa1a1SMauro Carvalho Chehab
gp_timer_init(gp_timer_ID_t ID)499d4fa1a1SMauro Carvalho Chehab void gp_timer_init(gp_timer_ID_t ID)
509d4fa1a1SMauro Carvalho Chehab {
519d4fa1a1SMauro Carvalho Chehab /* set_overall_enable*/
529d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_OVERALL_ENABLE, 1);
539d4fa1a1SMauro Carvalho Chehab
549d4fa1a1SMauro Carvalho Chehab /*set enable*/
559d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_ENABLE_ID(ID), 1);
569d4fa1a1SMauro Carvalho Chehab
579d4fa1a1SMauro Carvalho Chehab /* set signal select */
589d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_SIGNAL_SELECT_ID(ID), GP_TIMER_SIGNAL_SELECT);
599d4fa1a1SMauro Carvalho Chehab
609d4fa1a1SMauro Carvalho Chehab /*set count type */
619d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_COUNT_TYPE_ID(ID), GP_TIMER_COUNT_TYPE_LOW);
629d4fa1a1SMauro Carvalho Chehab
639d4fa1a1SMauro Carvalho Chehab /*reset gp timer */
649d4fa1a1SMauro Carvalho Chehab gp_timer_reg_store(_REG_GP_TIMER_RESET_REG, 0xFF);
659d4fa1a1SMauro Carvalho Chehab }
669d4fa1a1SMauro Carvalho Chehab
679d4fa1a1SMauro Carvalho Chehab uint32_t
gp_timer_read(gp_timer_ID_t ID)689d4fa1a1SMauro Carvalho Chehab gp_timer_read(gp_timer_ID_t ID)
699d4fa1a1SMauro Carvalho Chehab {
709d4fa1a1SMauro Carvalho Chehab return gp_timer_reg_load(_REG_GP_TIMER_VALUE_ID(ID));
719d4fa1a1SMauro Carvalho Chehab }
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