OpenCloudOS-Kernel/arch/blackfin/mach-bf548/include/mach/dma.h

73 lines
2.0 KiB
C

/* mach/dma.h - arch-specific DMA defines
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _MACH_DMA_H_
#define _MACH_DMA_H_
#define CH_SPORT0_RX 0
#define CH_SPORT0_TX 1
#define CH_SPORT1_RX 2
#define CH_SPORT1_TX 3
#define CH_SPI0 4
#define CH_SPI1 5
#define CH_UART0_RX 6
#define CH_UART0_TX 7
#define CH_UART1_RX 8
#define CH_UART1_TX 9
#define CH_ATAPI_RX 10
#define CH_ATAPI_TX 11
#define CH_EPPI0 12
#define CH_EPPI1 13
#define CH_EPPI2 14
#define CH_PIXC_IMAGE 15
#define CH_PIXC_OVERLAY 16
#define CH_PIXC_OUTPUT 17
#define CH_SPORT2_RX 18
#define CH_SPORT2_TX 19
#define CH_SPORT3_RX 20
#define CH_SPORT3_TX 21
#define CH_SDH 22
#define CH_NFC 22
#define CH_SPI2 23
#if defined(CONFIG_UART2_DMA_RX_ON_DMA13)
#define CH_UART2_RX 13
#define IRQ_UART2_RX BFIN_IRQ(37) /* UART2 RX USE EPP1 (DMA13) Interrupt */
#define CH_UART2_TX 14
#define IRQ_UART2_TX BFIN_IRQ(38) /* UART2 RX USE EPP1 (DMA14) Interrupt */
#else /* Default USE SPORT2's DMA Channel */
#define CH_UART2_RX 18
#define IRQ_UART2_RX BFIN_IRQ(33) /* UART2 RX (DMA18) Interrupt */
#define CH_UART2_TX 19
#define IRQ_UART2_TX BFIN_IRQ(34) /* UART2 TX (DMA19) Interrupt */
#endif
#if defined(CONFIG_UART3_DMA_RX_ON_DMA15)
#define CH_UART3_RX 15
#define IRQ_UART3_RX BFIN_IRQ(64) /* UART3 RX USE PIXC IN0 (DMA15) Interrupt */
#define CH_UART3_TX 16
#define IRQ_UART3_TX BFIN_IRQ(65) /* UART3 TX USE PIXC IN1 (DMA16) Interrupt */
#else /* Default USE SPORT3's DMA Channel */
#define CH_UART3_RX 20
#define IRQ_UART3_RX BFIN_IRQ(35) /* UART3 RX (DMA20) Interrupt */
#define CH_UART3_TX 21
#define IRQ_UART3_TX BFIN_IRQ(36) /* UART3 TX (DMA21) Interrupt */
#endif
#define CH_MEM_STREAM0_DEST 24
#define CH_MEM_STREAM0_SRC 25
#define CH_MEM_STREAM1_DEST 26
#define CH_MEM_STREAM1_SRC 27
#define CH_MEM_STREAM2_DEST 28
#define CH_MEM_STREAM2_SRC 29
#define CH_MEM_STREAM3_DEST 30
#define CH_MEM_STREAM3_SRC 31
#define MAX_DMA_CHANNELS 32
#endif