99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
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/*
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* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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*
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the People's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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*
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PARTY¡¯S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNERS¡¯SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY¡¯S TECHNOLOGY.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __SUNXI_HTIMER_H__
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#define __SUNXI_HTIMER_H__
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#include <stdint.h>
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#include <stdio.h>
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#include "platform.h"
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#include "irqs.h"
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#include "aw_types.h"
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#include <spinlock.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef BIT
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#define BIT(_x) (1UL << (_x))
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#endif
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#define HTIMER_INFO(fmt, arg...) printf("HTIMER : %s()%d "fmt, __func__, __LINE__, ##arg)
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#ifdef CONFIG_DRIVERS_HTIMER_DEBUG
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#define HTIMER_ERR(fmt, arg...) printf("HTIMER : %s()%d "fmt, __func__, __LINE__, ##arg)
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#else
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#define HTIMER_ERR(fmt, arg...) do {}while(0)
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#endif
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typedef void (*timer_callback)(void *param);
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#define HTIMER_IRQ_EN_REG (SUNXI_HSTIMER_PBASE + 0x00)
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#define HTIMER_IRQ_EN(val) BIT(val)
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#define HTIMER_IRQ_ST_REG (SUNXI_HSTIMER_PBASE + 0x04)
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#define HTIMER_CTL_REG(val) (SUNXI_HSTIMER_PBASE + (0x20 * val + 0x20))
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#define HTIMER_CTL_ENABLE BIT(0)
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#define HTIMER_CTL_RELOAD BIT(1)
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#define HTIMER_CTL_CLK_PRES(val) (((val) & 0x7) << 4)
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#define HTIMER_CTL_ONESHOT BIT(7)
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#define HTIMER_INTVAL_LO_REG(val) (SUNXI_HSTIMER_PBASE + (0x20 * (val) + 0x24))
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#define HTIMER_INTVAL_HI_REG(val) (SUNXI_HSTIMER_PBASE + (0x20 * (val) + 0x28))
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#define HTIMER_CNTVAL_LO_REG(val) (SUNXI_HSTIMER_PBASE + (0x20 * (val) + 0x2c))
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#define HTIMER_CNTVAL_HI_REG(val) (SUNXI_HSTIMER_PBASE + (0x20 * (val) + 0x30))
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#define HTIMER_SYNC_TICKS 3
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struct sunxi_htimer
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{
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uint32_t timer_id;
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uint32_t ticks;
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uint32_t clk_rate;
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uint32_t irq;
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uint32_t min_delta_ticks;
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uint32_t max_delta_ticks;
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timer_callback callback;
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void *param;
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};
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int sunxi_htimer_set_oneshot(uint32_t delay_us, uint32_t timer, timer_callback callback, void *callback_param);
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int sunxi_htimer_set_periodic(uint32_t delay_us, uint32_t timer, timer_callback callback, void *callback_param);
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void sunxi_htimer_stop(uint32_t timer);
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void sunxi_htimer_start(uint32_t timer, bool periodic);
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void sunxi_htimer_init();
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#ifdef __cplusplus
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}
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#endif
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#endif
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