1 /* 2 * wanXL serial card driver for Linux 3 * definitions common to host driver and card firmware 4 * 5 * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of version 2 of the GNU General Public License 9 * as published by the Free Software Foundation. 10 */ 11 12 #define RESET_WHILE_LOADING 0 13 14 /* you must rebuild the firmware if any of the following is changed */ 15 #define DETECT_RAM 0 /* needed for > 4MB RAM, 16 MB maximum */ 16 #define QUICC_MEMCPY_USES_PLX 1 /* must be used if the host has > 256 MB RAM */ 17 18 19 #define STATUS_CABLE_V35 2 20 #define STATUS_CABLE_X21 3 21 #define STATUS_CABLE_V24 4 22 #define STATUS_CABLE_EIA530 5 23 #define STATUS_CABLE_INVALID 6 24 #define STATUS_CABLE_NONE 7 25 26 #define STATUS_CABLE_DCE 0x8000 27 #define STATUS_CABLE_DSR 0x0010 28 #define STATUS_CABLE_DCD 0x0008 29 #define STATUS_CABLE_PM_SHIFT 5 30 31 #define PDM_OFFSET 0x1000 32 33 #define TX_BUFFERS 10 /* per port */ 34 #define RX_BUFFERS 30 35 #define RX_QUEUE_LENGTH 40 /* card->host queue length - per card */ 36 37 #define PACKET_EMPTY 0x00 38 #define PACKET_FULL 0x10 39 #define PACKET_SENT 0x20 /* TX only */ 40 #define PACKET_UNDERRUN 0x30 /* TX only */ 41 #define PACKET_PORT_MASK 0x03 /* RX only */ 42 43 /* bit numbers in PLX9060 doorbell registers */ 44 #define DOORBELL_FROM_CARD_TX_0 0 /* packet sent by the card */ 45 #define DOORBELL_FROM_CARD_TX_1 1 46 #define DOORBELL_FROM_CARD_TX_2 2 47 #define DOORBELL_FROM_CARD_TX_3 3 48 #define DOORBELL_FROM_CARD_RX 4 49 #define DOORBELL_FROM_CARD_CABLE_0 5 /* cable/PM/etc. changed */ 50 #define DOORBELL_FROM_CARD_CABLE_1 6 51 #define DOORBELL_FROM_CARD_CABLE_2 7 52 #define DOORBELL_FROM_CARD_CABLE_3 8 53 54 #define DOORBELL_TO_CARD_OPEN_0 0 55 #define DOORBELL_TO_CARD_OPEN_1 1 56 #define DOORBELL_TO_CARD_OPEN_2 2 57 #define DOORBELL_TO_CARD_OPEN_3 3 58 #define DOORBELL_TO_CARD_CLOSE_0 4 59 #define DOORBELL_TO_CARD_CLOSE_1 5 60 #define DOORBELL_TO_CARD_CLOSE_2 6 61 #define DOORBELL_TO_CARD_CLOSE_3 7 62 #define DOORBELL_TO_CARD_TX_0 8 /* outbound packet queued */ 63 #define DOORBELL_TO_CARD_TX_1 9 64 #define DOORBELL_TO_CARD_TX_2 10 65 #define DOORBELL_TO_CARD_TX_3 11 66 67 /* firmware-only status bits, starting from last DOORBELL_TO_CARD + 1 */ 68 #define TASK_SCC_0 12 69 #define TASK_SCC_1 13 70 #define TASK_SCC_2 14 71 #define TASK_SCC_3 15 72 73 #define ALIGN32(x) (((x) + 3) & 0xFFFFFFFC) 74 #define BUFFER_LENGTH ALIGN32(HDLC_MAX_MRU + 4) /* 4 bytes for 32-bit CRC */ 75 76 /* Address of TX and RX buffers in 68360 address space */ 77 #define BUFFERS_ADDR 0x4000 /* 16 KB */ 78 79 #ifndef __ASSEMBLER__ 80 #define PLX_OFFSET 0 81 #else 82 #define PLX_OFFSET PLX + 0x80 83 #endif 84 85 #define PLX_MAILBOX_0 (PLX_OFFSET + 0x40) 86 #define PLX_MAILBOX_1 (PLX_OFFSET + 0x44) 87 #define PLX_MAILBOX_2 (PLX_OFFSET + 0x48) 88 #define PLX_MAILBOX_3 (PLX_OFFSET + 0x4C) 89 #define PLX_MAILBOX_4 (PLX_OFFSET + 0x50) 90 #define PLX_MAILBOX_5 (PLX_OFFSET + 0x54) 91 #define PLX_MAILBOX_6 (PLX_OFFSET + 0x58) 92 #define PLX_MAILBOX_7 (PLX_OFFSET + 0x5C) 93 #define PLX_DOORBELL_TO_CARD (PLX_OFFSET + 0x60) 94 #define PLX_DOORBELL_FROM_CARD (PLX_OFFSET + 0x64) 95 #define PLX_INTERRUPT_CS (PLX_OFFSET + 0x68) 96 #define PLX_CONTROL (PLX_OFFSET + 0x6C) 97 98 #ifdef __ASSEMBLER__ 99 #define PLX_DMA_0_MODE (PLX + 0x100) 100 #define PLX_DMA_0_PCI (PLX + 0x104) 101 #define PLX_DMA_0_LOCAL (PLX + 0x108) 102 #define PLX_DMA_0_LENGTH (PLX + 0x10C) 103 #define PLX_DMA_0_DESC (PLX + 0x110) 104 #define PLX_DMA_1_MODE (PLX + 0x114) 105 #define PLX_DMA_1_PCI (PLX + 0x118) 106 #define PLX_DMA_1_LOCAL (PLX + 0x11C) 107 #define PLX_DMA_1_LENGTH (PLX + 0x120) 108 #define PLX_DMA_1_DESC (PLX + 0x124) 109 #define PLX_DMA_CMD_STS (PLX + 0x128) 110 #define PLX_DMA_ARBITR_0 (PLX + 0x12C) 111 #define PLX_DMA_ARBITR_1 (PLX + 0x130) 112 #endif 113 114 #define DESC_LENGTH 12 115 116 /* offsets from start of status_t */ 117 /* card to host */ 118 #define STATUS_OPEN 0 119 #define STATUS_CABLE (STATUS_OPEN + 4) 120 #define STATUS_RX_OVERRUNS (STATUS_CABLE + 4) 121 #define STATUS_RX_FRAME_ERRORS (STATUS_RX_OVERRUNS + 4) 122 123 /* host to card */ 124 #define STATUS_PARITY (STATUS_RX_FRAME_ERRORS + 4) 125 #define STATUS_ENCODING (STATUS_PARITY + 4) 126 #define STATUS_CLOCKING (STATUS_ENCODING + 4) 127 #define STATUS_TX_DESCS (STATUS_CLOCKING + 4) 128 129 #ifndef __ASSEMBLER__ 130 131 typedef struct { 132 volatile u32 stat; 133 u32 address; /* PCI address */ 134 volatile u32 length; 135 }desc_t; 136 137 138 typedef struct { 139 // Card to host 140 volatile u32 open; 141 volatile u32 cable; 142 volatile u32 rx_overruns; 143 volatile u32 rx_frame_errors; 144 145 // Host to card 146 u32 parity; 147 u32 encoding; 148 u32 clocking; 149 desc_t tx_descs[TX_BUFFERS]; 150 }port_status_t; 151 152 #endif /* __ASSEMBLER__ */ 153