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/x1000-dma.h

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    1 /* SPDX-License-Identifier: GPL-2.0-only */
    2 /*
    3  * This header provides macros for X1000 DMA bindings.
    4  *
    5  * Copyright (c) 2019 Zhou Yanjie <zhouyanjie@zoho.com>
    6  */
    7 
    8 #ifndef __DT_BINDINGS_DMA_X1000_DMA_H__
    9 #define __DT_BINDINGS_DMA_X1000_DMA_H__
   10 
   11 /*
   12  * Request type numbers for the X1000 DMA controller (written to the DRTn
   13  * register for the channel).
   14  */
   15 #define X1000_DMA_DMIC_RX       0x5
   16 #define X1000_DMA_I2S0_TX       0x6
   17 #define X1000_DMA_I2S0_RX       0x7
   18 #define X1000_DMA_AUTO          0x8
   19 #define X1000_DMA_UART2_TX      0x10
   20 #define X1000_DMA_UART2_RX      0x11
   21 #define X1000_DMA_UART1_TX      0x12
   22 #define X1000_DMA_UART1_RX      0x13
   23 #define X1000_DMA_UART0_TX      0x14
   24 #define X1000_DMA_UART0_RX      0x15
   25 #define X1000_DMA_SSI0_TX       0x16
   26 #define X1000_DMA_SSI0_RX       0x17
   27 #define X1000_DMA_MSC0_TX       0x1a
   28 #define X1000_DMA_MSC0_RX       0x1b
   29 #define X1000_DMA_MSC1_TX       0x1c
   30 #define X1000_DMA_MSC1_RX       0x1d
   31 #define X1000_DMA_PCM0_TX       0x20
   32 #define X1000_DMA_PCM0_RX       0x21
   33 #define X1000_DMA_SMB0_TX       0x24
   34 #define X1000_DMA_SMB0_RX       0x25
   35 #define X1000_DMA_SMB1_TX       0x26
   36 #define X1000_DMA_SMB1_RX       0x27
   37 #define X1000_DMA_SMB2_TX       0x28
   38 #define X1000_DMA_SMB2_RX       0x29
   39 
   40 #endif /* __DT_BINDINGS_DMA_X1000_DMA_H__ */

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