1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * NETjet common header file
4 *
5 * Author	Karsten Keil
6 *              based on work of Matt Henderson and Daniel Potts,
7 *              Traverse Technologies P/L www.traverse.com.au
8 *
9 * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
10 */
11
12#define NJ_CTRL			0x00
13#define NJ_DMACTRL		0x01
14#define NJ_AUXCTRL		0x02
15#define NJ_AUXDATA		0x03
16#define NJ_IRQMASK0		0x04
17#define NJ_IRQMASK1		0x05
18#define NJ_IRQSTAT0		0x06
19#define NJ_IRQSTAT1		0x07
20#define NJ_DMA_READ_START	0x08
21#define NJ_DMA_READ_IRQ		0x0c
22#define NJ_DMA_READ_END		0x10
23#define NJ_DMA_READ_ADR		0x14
24#define NJ_DMA_WRITE_START	0x18
25#define NJ_DMA_WRITE_IRQ	0x1c
26#define NJ_DMA_WRITE_END	0x20
27#define NJ_DMA_WRITE_ADR	0x24
28#define NJ_PULSE_CNT		0x28
29
30#define NJ_ISAC_OFF		0xc0
31#define NJ_ISACIRQ		0x10
32
33#define NJ_IRQM0_RD_MASK	0x03
34#define NJ_IRQM0_RD_IRQ		0x01
35#define NJ_IRQM0_RD_END		0x02
36#define NJ_IRQM0_WR_MASK	0x0c
37#define NJ_IRQM0_WR_IRQ		0x04
38#define NJ_IRQM0_WR_END		0x08
39
40/* one page here is no need to be smaller */
41#define NJ_DMA_SIZE		4096
42/* 2 * 64 byte is a compromise between IRQ count and latency */
43#define NJ_DMA_RXSIZE		128  /* 2 * 64 */
44#define NJ_DMA_TXSIZE		128  /* 2 * 64 */
45