| /* |
| * Copyright (c) 2015, Freescale Semiconductor, 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: |
| * |
| * 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 Freescale Semiconductor, Inc. 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; |
| |
| /*! @brief Array to map DMAMUX instance number to clock name. */ |
| static const clock_ip_name_t s_dmamuxClockName[] = DMAMUX_CLOCKS; |
| |
| /******************************************************************************* |
| * Code |
| ******************************************************************************/ |
| static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base) |
| { |
| uint32_t instance; |
| |
| /* Find the instance index from base address mappings. */ |
| for (instance = 0; instance < FSL_FEATURE_SOC_DMAMUX_COUNT; instance++) |
| { |
| if (s_dmamuxBases[instance] == base) |
| { |
| break; |
| } |
| } |
| |
| assert(instance < FSL_FEATURE_SOC_DMAMUX_COUNT); |
| |
| return instance; |
| } |
| |
| void DMAMUX_Init(DMAMUX_Type *base) |
| { |
| CLOCK_EnableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); |
| } |
| |
| void DMAMUX_Deinit(DMAMUX_Type *base) |
| { |
| CLOCK_DisableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); |
| } |
