From 56e86c626df3dbf74c1021210636a7c5d92a49ce Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Tue, 30 Oct 2018 16:31:29 +0100 Subject: move to cmake Signed-off-by: Dominik Sliwa --- drivers/src/fsl_dmamux.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 drivers/src/fsl_dmamux.c (limited to 'drivers/src/fsl_dmamux.c') diff --git a/drivers/src/fsl_dmamux.c b/drivers/src/fsl_dmamux.c new file mode 100644 index 0000000..39ce9cf --- /dev/null +++ b/drivers/src/fsl_dmamux.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted 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. + * + * 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. + */ + +#include "fsl_dmamux.h" + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/******************************************************************************* + * Prototypes + ******************************************************************************/ + +/*! + * @brief Get instance number for DMAMUX. + * + * @param base DMAMUX peripheral base address. + */ +static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base); + +/******************************************************************************* + * Variables + ******************************************************************************/ + +/*! @brief Array to map DMAMUX instance number to base pointer. */ +static DMAMUX_Type *const s_dmamuxBases[] = DMAMUX_BASE_PTRS; + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/*! @brief Array to map DMAMUX instance number to clock name. */ +static const clock_ip_name_t s_dmamuxClockName[] = DMAMUX_CLOCKS; +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + +/******************************************************************************* + * Code + ******************************************************************************/ +static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base) +{ + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < ARRAY_SIZE(s_dmamuxBases); instance++) + { + if (s_dmamuxBases[instance] == base) + { + break; + } + } + + assert(instance < ARRAY_SIZE(s_dmamuxBases)); + + return instance; +} + +void DMAMUX_Init(DMAMUX_Type *base) +{ +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) + CLOCK_EnableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ +} + +void DMAMUX_Deinit(DMAMUX_Type *base) +{ +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) + CLOCK_DisableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ +} -- cgit v1.2.3