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