From ed46e1a38ae2de97b55c1843bad8b813bd4936e3 Mon Sep 17 00:00:00 2001 From: mindchasers Date: Sun, 7 Jul 2019 17:58:07 -0400 Subject: initial commit of private island ARM test suite --- drivers/fsl_dmamux.h | 204 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 204 insertions(+) create mode 100644 drivers/fsl_dmamux.h (limited to 'drivers/fsl_dmamux.h') diff --git a/drivers/fsl_dmamux.h b/drivers/fsl_dmamux.h new file mode 100644 index 0000000..17f32ee --- /dev/null +++ b/drivers/fsl_dmamux.h @@ -0,0 +1,204 @@ +/* + * The Clear BSD License + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted (subject to the limitations in the disclaimer below) provided + * that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o 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. + * + * o Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, 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 _FSL_DMAMUX_H_ +#define _FSL_DMAMUX_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup dmamux + * @{ + */ + + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief DMAMUX driver version 2.0.2. */ +#define FSL_DMAMUX_DRIVER_VERSION (MAKE_VERSION(2, 0, 2)) +/*@}*/ + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif /* __cplusplus */ + +/*! + * @name DMAMUX Initialization and de-initialization + * @{ + */ + +/*! + * @brief Initializes the DMAMUX peripheral. + * + * This function ungates the DMAMUX clock. + * + * @param base DMAMUX peripheral base address. + * + */ +void DMAMUX_Init(DMAMUX_Type *base); + +/*! + * @brief Deinitializes the DMAMUX peripheral. + * + * This function gates the DMAMUX clock. + * + * @param base DMAMUX peripheral base address. + */ +void DMAMUX_Deinit(DMAMUX_Type *base); + +/* @} */ +/*! + * @name DMAMUX Channel Operation + * @{ + */ + +/*! + * @brief Enables the DMAMUX channel. + * + * This function enables the DMAMUX channel. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + */ +static inline void DMAMUX_EnableChannel(DMAMUX_Type *base, uint32_t channel) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + base->CHCFG[channel] |= DMAMUX_CHCFG_ENBL_MASK; +} + +/*! + * @brief Disables the DMAMUX channel. + * + * This function disables the DMAMUX channel. + * + * @note The user must disable the DMAMUX channel before configuring it. + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + */ +static inline void DMAMUX_DisableChannel(DMAMUX_Type *base, uint32_t channel) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + base->CHCFG[channel] &= ~DMAMUX_CHCFG_ENBL_MASK; +} + +/*! + * @brief Configures the DMAMUX channel source. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + * @param source Channel source, which is used to trigger the DMA transfer. + */ +static inline void DMAMUX_SetSource(DMAMUX_Type *base, uint32_t channel, uint32_t source) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + base->CHCFG[channel] = ((base->CHCFG[channel] & ~DMAMUX_CHCFG_SOURCE_MASK) | DMAMUX_CHCFG_SOURCE(source)); +} + +#if defined(FSL_FEATURE_DMAMUX_HAS_TRIG) && FSL_FEATURE_DMAMUX_HAS_TRIG > 0U +/*! + * @brief Enables the DMAMUX period trigger. + * + * This function enables the DMAMUX period trigger feature. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + */ +static inline void DMAMUX_EnablePeriodTrigger(DMAMUX_Type *base, uint32_t channel) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + base->CHCFG[channel] |= DMAMUX_CHCFG_TRIG_MASK; +} + +/*! + * @brief Disables the DMAMUX period trigger. + * + * This function disables the DMAMUX period trigger. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + */ +static inline void DMAMUX_DisablePeriodTrigger(DMAMUX_Type *base, uint32_t channel) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + base->CHCFG[channel] &= ~DMAMUX_CHCFG_TRIG_MASK; +} +#endif /* FSL_FEATURE_DMAMUX_HAS_TRIG */ + +#if (defined(FSL_FEATURE_DMAMUX_HAS_A_ON) && FSL_FEATURE_DMAMUX_HAS_A_ON) +/*! + * @brief Enables the DMA channel to be always ON. + * + * This function enables the DMAMUX channel always ON feature. + * + * @param base DMAMUX peripheral base address. + * @param channel DMAMUX channel number. + * @param enable Switcher of the always ON feature. "true" means enabled, "false" means disabled. + */ +static inline void DMAMUX_EnableAlwaysOn(DMAMUX_Type *base, uint32_t channel, bool enable) +{ + assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL); + + if (enable) + { + base->CHCFG[channel] |= DMAMUX_CHCFG_A_ON_MASK; + } + else + { + base->CHCFG[channel] &= ~DMAMUX_CHCFG_A_ON_MASK; + } +} +#endif /* FSL_FEATURE_DMAMUX_HAS_A_ON */ + +/* @} */ + +#if defined(__cplusplus) +} +#endif /* __cplusplus */ + +/* @} */ + +#endif /* _FSL_DMAMUX_H_ */ -- cgit v1.2.3-8-gadcc