109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
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/**
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* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************
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* @file drv_clock.h
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* @version V0.1
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* @brief clock interface
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*
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* Change Logs:
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* Date Author Notes
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* 2019-07-11 Elaine.Zhang first implementation
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*
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******************************************************************************
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*/
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#ifndef _DRV_CLOCK_H_
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#define _DRV_CLOCK_H_
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#include <hal_base.h>
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#ifdef RT_CONSOLE_DEVICE_NAME
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#define RT_CONSOLE_DEVICE_UART(ID) \
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((strcmp(RT_CONSOLE_DEVICE_NAME, "uart"#ID)) ? 0:1)
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#else
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#define RT_CONSOLE_DEVICE_UART(ID) 0
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#endif
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#define INIT_CLK(NAME, ID, RATE) \
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{ .name = NAME, .clk_id = ID, .init_rate = RATE, }
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struct clk_gate
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{
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uint32_t gate_id;
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int enable_count;
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int ref_count;
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rt_slist_t node;
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};
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struct clk_init
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{
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const char *name;
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uint32_t clk_id;
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uint32_t init_rate;
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};
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struct clk_unused
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{
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uint32_t is_pmucru : 1;
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uint32_t gate_con : 31;
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uint32_t gate_val;
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};
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struct pd
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{
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uint32_t pd_id;
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int enable_count;
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int ref_count;
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rt_slist_t node;
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};
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/**
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* @brief clk set enable by id.
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* @param gate_id: gate id.
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* @retval RT_EOK: clk set enable success.
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* @retval -RT_ERROR: clk set enable failed.
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*/
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static inline rt_err_t clk_enable_by_id(int gate_id)
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{
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#ifdef HAL_CRU_MODULE_ENABLED
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return (HAL_CRU_ClkEnable(gate_id) == HAL_OK) ? RT_EOK : -RT_ERROR;
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#else
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return RT_EOK;
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#endif
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}
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/**
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* @brief clk set disable by id.
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* @param gate_id: gate id.
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* @retval RT_EOK: clk set disable success.
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* @retval -RT_ERROR: clk set disable failed.
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*/
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static inline rt_err_t clk_disable_by_id(int gate_id)
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{
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#ifdef HAL_CRU_MODULE_ENABLED
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return (HAL_CRU_ClkDisable(gate_id) == HAL_OK) ? RT_EOK : -RT_ERROR;
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#else
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return RT_EOK;
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#endif
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}
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struct clk_gate *get_clk_gate_from_id(int gate_id);
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void put_clk_gate(struct clk_gate *gate);
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rt_err_t clk_enable(struct clk_gate *gate);
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rt_err_t clk_disable(struct clk_gate *gate);
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int clk_is_enabled(struct clk_gate *gate);
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uint32_t clk_get_rate(eCLOCK_Name clk_id);
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rt_err_t clk_set_rate(eCLOCK_Name clk_id, uint32_t rate);
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#if defined(RT_USING_PMU)
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struct pd *get_pd_from_id(ePD_Id pd_id);
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void put_pd(struct pd *power);
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rt_err_t pd_on(struct pd *power);
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rt_err_t pd_off(struct pd *power);
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#endif
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void clk_init(const struct clk_init *clk_inits, bool clk_dump);
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void clk_disable_unused(const struct clk_unused *clks_unused);
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#endif // _DRV_CLOCK_H_
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