Zephyr API Documentation
3.7.99
A Scalable Open Source RTOS
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dma_mcux_pxp.h
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/*
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* Copyright 2023-2024 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_
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#define ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_
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#define DMA_MCUX_PXP_CMD_MASK 0xE0
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#define DMA_MCUX_PXP_CMD_SHIFT 0x5
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#define DMA_MCUX_PXP_FMT_MASK 0x1F
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#define DMA_MCUX_PXP_FMT_SHIFT 0x0
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/*
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* In order to configure the PXP for rotation, the user should
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* supply a format and command as the DMA slot parameter, like so:
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* dma_slot = (DMA_MCUX_PXP_FTM(DMA_MCUX_PXP_FMT_RGB565) |
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* DMA_MCUX_PXP_CMD(DMA_MCUX_PXP_CMD_ROTATE_90))
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* head block source address: input buffer address
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* head block destination address: output buffer address
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* source data size: input buffer size in bytes
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* source burst length: height of source buffer in pixels
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* dest data size: output buffer size in bytes
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* dest burst length: height of destination buffer in pixels
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*/
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#define DMA_MCUX_PXP_FMT(x) ((x << DMA_MCUX_PXP_FMT_SHIFT) & DMA_MCUX_PXP_FMT_MASK)
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#define DMA_MCUX_PXP_CMD(x) ((x << DMA_MCUX_PXP_CMD_SHIFT) & DMA_MCUX_PXP_CMD_MASK)
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#define DMA_MCUX_PXP_CMD_ROTATE_0 0
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#define DMA_MCUX_PXP_CMD_ROTATE_90 1
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#define DMA_MCUX_PXP_CMD_ROTATE_180 2
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#define DMA_MCUX_PXP_CMD_ROTATE_270 3
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#define DMA_MCUX_PXP_FMT_RGB565 0
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#define DMA_MCUX_PXP_FMT_RGB888 1
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#define DMA_MCUX_PXP_FMT_ARGB8888 2
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#define DMA_MCUX_PXP_FLIP_MASK 0x3
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#define DMA_MCUX_PXP_FLIP_SHIFT 0x0
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/*
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* In order to configure the PXP to flip, the user should
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* supply a flip setting as the DMA linked_channel parameter, like so:
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* linked_channel |= DMA_MCUX_PXP_FLIP(DMA_MCUX_PXP_FLIP_HORIZONTAL)
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*/
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#define DMA_MCUX_PXP_FLIP(x) ((x << DMA_MCUX_PXP_FLIP_SHIFT) & DMA_MCUX_PXP_FLIP_MASK)
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#define DMA_MCUX_PXP_FLIP_DISABLE 0
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#define DMA_MCUX_PXP_FLIP_HORIZONTAL 1
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#define DMA_MCUX_PXP_FLIP_VERTICAL 2
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#define DMA_MCUX_PXP_FLIP_BOTH 3
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#endif
/* ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_ */
zephyr
drivers
dma
dma_mcux_pxp.h
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