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