The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/include/dt-bindings/dma/x1830-dma.h

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    1 /* SPDX-License-Identifier: GPL-2.0-only */
    2 /*
    3  * This header provides macros for X1830 DMA bindings.
    4  *
    5  * Copyright (c) 2019 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
    6  */
    7 
    8 #ifndef __DT_BINDINGS_DMA_X1830_DMA_H__
    9 #define __DT_BINDINGS_DMA_X1830_DMA_H__
   10 
   11 /*
   12  * Request type numbers for the X1830 DMA controller (written to the DRTn
   13  * register for the channel).
   14  */
   15 #define X1830_DMA_I2S0_TX       0x6
   16 #define X1830_DMA_I2S0_RX       0x7
   17 #define X1830_DMA_AUTO          0x8
   18 #define X1830_DMA_SADC_RX       0x9
   19 #define X1830_DMA_UART1_TX      0x12
   20 #define X1830_DMA_UART1_RX      0x13
   21 #define X1830_DMA_UART0_TX      0x14
   22 #define X1830_DMA_UART0_RX      0x15
   23 #define X1830_DMA_SSI0_TX       0x16
   24 #define X1830_DMA_SSI0_RX       0x17
   25 #define X1830_DMA_SSI1_TX       0x18
   26 #define X1830_DMA_SSI1_RX       0x19
   27 #define X1830_DMA_MSC0_TX       0x1a
   28 #define X1830_DMA_MSC0_RX       0x1b
   29 #define X1830_DMA_MSC1_TX       0x1c
   30 #define X1830_DMA_MSC1_RX       0x1d
   31 #define X1830_DMA_DMIC_RX       0x21
   32 #define X1830_DMA_SMB0_TX       0x24
   33 #define X1830_DMA_SMB0_RX       0x25
   34 #define X1830_DMA_SMB1_TX       0x26
   35 #define X1830_DMA_SMB1_RX       0x27
   36 #define X1830_DMA_DES_TX        0x2e
   37 #define X1830_DMA_DES_RX        0x2f
   38 
   39 #endif /* __DT_BINDINGS_DMA_X1830_DMA_H__ */

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