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