Pratyush Mallick
/
testing
this is testing
Diff: app/noos_mbed/include/clk.h
- Revision:
- 0:3afcd581558d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/noos_mbed/include/clk.h Thu Jan 14 18:54:16 2021 +0530 @@ -0,0 +1,88 @@ +/***************************************************************************//** + * @file clk.h + * @brief Header file of Clock Driver. + * @author DBogdan (dragos.bogdan@analog.com) +******************************************************************************** + * Copyright 2020(c) Analog Devices, Inc. + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Analog Devices, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * - The use of this software may or may not infringe the patent rights + * of one or more patent holders. This license does not release you + * from the requirement that you obtain separate licenses from these + * patent holders to use this software. + * - Use of the software either in source or binary form, must be run + * on or directly connected to an Analog Devices Inc. component. + * + * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*******************************************************************************/ +#ifndef CLK_H_ +#define CLK_H_ + +/******************************************************************************/ +/***************************** Include Files **********************************/ +/******************************************************************************/ +#include <stdint.h> + +/******************************************************************************/ +/************************* Structure Declarations *****************************/ +/******************************************************************************/ +struct clk_hw { + void *dev; + int32_t (*dev_clk_enable)(); + int32_t (*dev_clk_disable)(); + int32_t (*dev_clk_recalc_rate)(); + int32_t (*dev_clk_set_rate)(); + int32_t (*dev_clk_round_rate)(); +}; + +struct clk { + struct clk_hw *hw; + uint32_t hw_ch_num; + const char *name; +}; + +/******************************************************************************/ +/************************ Functions Declarations ******************************/ +/******************************************************************************/ + +/* Start the clock. */ +int32_t clk_enable(struct clk * clk); + +/* Stop the clock. */ +int32_t clk_disable(struct clk * clk); + +/* Get the current frequency of the clock. */ +int32_t clk_recalc_rate(struct clk *clk, + uint64_t *rate); + +/* Round the desired frequency to a rate that the clock can actually output. */ +int32_t clk_round_rate(struct clk *clk, + uint64_t rate, + uint64_t *rounded_rate); + +/* Change the frequency of the clock. */ +int32_t clk_set_rate(struct clk *clk, + uint64_t rate); + +#endif // CLK_H_