Line data    Source code

       1            0 : /*
       2              :  * Copyright 2023-2024 NXP
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_
       8              : #define ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_
       9              : 
      10            0 : #define DMA_MCUX_PXP_CMD_MASK  0xE0
      11            0 : #define DMA_MCUX_PXP_CMD_SHIFT 0x5
      12              : 
      13            0 : #define DMA_MCUX_PXP_FMT_MASK  0x1F
      14            0 : #define DMA_MCUX_PXP_FMT_SHIFT 0x0
      15              : 
      16              : /*
      17              :  * In order to configure the PXP for rotation, the user should
      18              :  * supply a format and command as the DMA slot parameter, like so:
      19              :  * dma_slot = (DMA_MCUX_PXP_FTM(DMA_MCUX_PXP_FMT_RGB565) |
      20              :  *            DMA_MCUX_PXP_CMD(DMA_MCUX_PXP_CMD_ROTATE_90))
      21              :  * head block source address: input buffer address
      22              :  * head block destination address: output buffer address
      23              :  * source data size: input buffer size in bytes
      24              :  * source burst length: height of source buffer in pixels
      25              :  * dest data size: output buffer size in bytes
      26              :  * dest burst length: height of destination buffer in pixels
      27              :  */
      28              : 
      29            0 : #define DMA_MCUX_PXP_FMT(x) ((x << DMA_MCUX_PXP_FMT_SHIFT) & DMA_MCUX_PXP_FMT_MASK)
      30            0 : #define DMA_MCUX_PXP_CMD(x) ((x << DMA_MCUX_PXP_CMD_SHIFT) & DMA_MCUX_PXP_CMD_MASK)
      31              : 
      32            0 : #define DMA_MCUX_PXP_CMD_ROTATE_0   0
      33            0 : #define DMA_MCUX_PXP_CMD_ROTATE_90  1
      34            0 : #define DMA_MCUX_PXP_CMD_ROTATE_180 2
      35            0 : #define DMA_MCUX_PXP_CMD_ROTATE_270 3
      36              : 
      37            0 : #define DMA_MCUX_PXP_FMT_RGB565   0
      38            0 : #define DMA_MCUX_PXP_FMT_RGB888   1
      39            0 : #define DMA_MCUX_PXP_FMT_ARGB8888 2
      40              : 
      41            0 : #define DMA_MCUX_PXP_FLIP_MASK  0x3
      42            0 : #define DMA_MCUX_PXP_FLIP_SHIFT 0x0
      43              : 
      44              : /*
      45              :  * In order to configure the PXP to flip, the user should
      46              :  * supply a flip setting as the DMA linked_channel parameter, like so:
      47              :  * linked_channel |= DMA_MCUX_PXP_FLIP(DMA_MCUX_PXP_FLIP_HORIZONTAL)
      48              :  */
      49              : 
      50            0 : #define DMA_MCUX_PXP_FLIP(x) ((x << DMA_MCUX_PXP_FLIP_SHIFT) & DMA_MCUX_PXP_FLIP_MASK)
      51              : 
      52            0 : #define DMA_MCUX_PXP_FLIP_DISABLE    0
      53            0 : #define DMA_MCUX_PXP_FLIP_HORIZONTAL 1
      54            0 : #define DMA_MCUX_PXP_FLIP_VERTICAL   2
      55            0 : #define DMA_MCUX_PXP_FLIP_BOTH       3
      56              : 
      57              : #endif /* ZEPHYR_INCLUDE_DRIVERS_DMA_MCUX_PXP_H_ */