CoCalc -- dmactl-regs.h

GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/mn10300/proc-mn2ws0050/include/proc/dmactl-regs.h
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/* MN2WS0050 on-board DMA controller registers
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 *
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 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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 * Written by David Howells ([email protected])
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * version 2 as published by the Free Software Foundation.
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 */
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#ifndef _ASM_PROC_DMACTL_REGS_H
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#define _ASM_PROC_DMACTL_REGS_H
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#include <asm/cpu-regs.h>
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#ifdef __KERNEL__
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/* DMA registers */
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#define	DMxCTR(N)		__SYSREG(0xd4005000+(N*0x100), u32)	/* control reg */
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#define	DMxCTR_BG		0x0000001f	/* transfer request source */
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#define	DMxCTR_BG_SOFT		0x00000000	/* - software source */
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#define	DMxCTR_BG_SC0TX		0x00000002	/* - serial port 0 transmission */
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#define	DMxCTR_BG_SC0RX		0x00000003	/* - serial port 0 reception */
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#define	DMxCTR_BG_SC1TX		0x00000004	/* - serial port 1 transmission */
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#define	DMxCTR_BG_SC1RX		0x00000005	/* - serial port 1 reception */
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#define	DMxCTR_BG_SC2TX		0x00000006	/* - serial port 2 transmission */
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#define	DMxCTR_BG_SC2RX		0x00000007	/* - serial port 2 reception */
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#define	DMxCTR_BG_TM0UFLOW	0x00000008	/* - timer 0 underflow */
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#define	DMxCTR_BG_TM1UFLOW	0x00000009	/* - timer 1 underflow */
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#define	DMxCTR_BG_TM2UFLOW	0x0000000a	/* - timer 2 underflow */
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#define	DMxCTR_BG_TM3UFLOW	0x0000000b	/* - timer 3 underflow */
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#define	DMxCTR_BG_TM6ACMPCAP	0x0000000c	/* - timer 6A compare/capture */
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#define	DMxCTR_BG_RYBY		0x0000000d	/* - NAND Flash RY/BY request source */
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#define	DMxCTR_BG_RMC		0x0000000e	/* - remote controller output */
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#define	DMxCTR_BG_XIRQ12	0x00000011	/* - XIRQ12 pin interrupt source */
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#define	DMxCTR_BG_XIRQ13	0x00000012	/* - XIRQ13 pin interrupt source */
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#define	DMxCTR_BG_TCK		0x00000014	/* - tick timer underflow */
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#define	DMxCTR_BG_SC4TX		0x00000019	/* - serial port4 transmission */
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#define	DMxCTR_BG_SC4RX		0x0000001a	/* - serial port4 reception */
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#define	DMxCTR_BG_SC5TX		0x0000001b	/* - serial port5 transmission */
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#define	DMxCTR_BG_SC5RX		0x0000001c	/* - serial port5 reception */
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#define	DMxCTR_BG_SC6TX		0x0000001d	/* - serial port6 transmission */
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#define	DMxCTR_BG_SC6RX		0x0000001e	/* - serial port6 reception */
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#define	DMxCTR_BG_TMSUFLOW	0x0000001f	/* - timestamp timer underflow */
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#define	DMxCTR_SAM		0x00000060	/* DMA transfer src addr mode */
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#define	DMxCTR_SAM_INCR		0x00000000	/* - increment */
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#define	DMxCTR_SAM_DECR		0x00000020	/* - decrement */
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#define	DMxCTR_SAM_FIXED	0x00000040	/* - fixed */
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#define	DMxCTR_DAM		0x00000300	/* DMA transfer dest addr mode */
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#define	DMxCTR_DAM_INCR		0x00000000	/* - increment */
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#define	DMxCTR_DAM_DECR		0x00000100	/* - decrement */
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#define	DMxCTR_DAM_FIXED	0x00000200	/* - fixed */
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#define	DMxCTR_UT		0x00006000	/* DMA transfer unit */
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#define	DMxCTR_UT_1		0x00000000	/* - 1 byte */
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#define	DMxCTR_UT_2		0x00002000	/* - 2 byte */
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#define	DMxCTR_UT_4		0x00004000	/* - 4 byte */
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#define	DMxCTR_UT_16		0x00006000	/* - 16 byte */
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#define DMxCTR_RRE		0x00008000	/* DMA round robin enable */
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#define	DMxCTR_TEN		0x00010000	/* DMA channel transfer enable */
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#define	DMxCTR_RQM		0x00060000	/* external request input source mode */
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#define	DMxCTR_RQM_FALLEDGE	0x00000000	/* - falling edge */
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#define	DMxCTR_RQM_RISEEDGE	0x00020000	/* - rising edge */
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#define	DMxCTR_RQM_LOLEVEL	0x00040000	/* - low level */
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#define	DMxCTR_RQM_HILEVEL	0x00060000	/* - high level */
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#define	DMxCTR_RQF		0x01000000	/* DMA transfer request flag */
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#define	DMxCTR_PERR		0x40000000	/* DMA transfer parameter error flag */
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#define	DMxCTR_XEND		0x80000000	/* DMA transfer end flag */
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#define	DMxSRC(N)		__SYSREG(0xd4005004+(N*0x100), u32)	/* control reg */
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#define	DMxDST(N)		__SYSREG(0xd4005008+(N*0x100), u32)	/* source addr reg */
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#define	DMxSIZ(N)		__SYSREG(0xd400500c+(N*0x100), u32)	/* dest addr reg */
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#define DMxSIZ_CT		0x000fffff	/* number of bytes to transfer */
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#define	DMxCYC(N)		__SYSREG(0xd4005010+(N*0x100), u32)	/* intermittent size reg */
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#define DMxCYC_CYC		0x000000ff	/* number of interrmittent transfers -1 */
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#define DM0IRQ			16		/* DMA channel 0 complete IRQ */
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#define DM1IRQ			17		/* DMA channel 1 complete IRQ */
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#define DM2IRQ			18		/* DMA channel 2 complete IRQ */
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#define DM3IRQ			19		/* DMA channel 3 complete IRQ */
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#define	DM0ICR			GxICR(DM0IRQ)	/* DMA channel 0 complete intr ctrl reg */
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#define	DM1ICR			GxICR(DM0IR1)	/* DMA channel 1 complete intr ctrl reg */
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#define	DM2ICR			GxICR(DM0IR2)	/* DMA channel 2 complete intr ctrl reg */
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#define	DM3ICR			GxICR(DM0IR3)	/* DMA channel 3 complete intr ctrl reg */
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#ifndef __ASSEMBLY__
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struct mn10300_dmactl_regs {
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	u32		ctr;
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	const void	*src;
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	void		*dst;
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	u32		siz;
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	u32		cyc;
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} __attribute__((aligned(0x100)));
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_PROC_DMACTL_REGS_H */
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