1/* 2 * hp100.h: Hewlett Packard HP10/100VG ANY LAN ethernet driver for Linux. 3 * 4 * $Id: hp100.h,v 1.51 1997/04/08 14:26:42 floeff Exp floeff $ 5 * 6 * Authors: Jaroslav Kysela, <perex@pf.jcu.cz> 7 * Siegfried Loeffler <floeff@tunix.mathematik.uni-stuttgart.de> 8 * 9 * This driver is based on the 'hpfepkt' crynwr packet driver. 10 * 11 * This source/code is public free; you can distribute it and/or modify 12 * it under terms of the GNU General Public License (published by the 13 * Free Software Foundation) either version two of this License, or any 14 * later version. 15 */ 16 17/**************************************************************************** 18 * Hardware Constants 19 ****************************************************************************/ 20 21/* 22 * Page Identifiers 23 * (Swap Paging Register, PAGING, bits 3:0, Offset 0x02) 24 */ 25 26#define HP100_PAGE_PERFORMANCE 0x0 /* Page 0 */ 27#define HP100_PAGE_MAC_ADDRESS 0x1 /* Page 1 */ 28#define HP100_PAGE_HW_MAP 0x2 /* Page 2 */ 29#define HP100_PAGE_EEPROM_CTRL 0x3 /* Page 3 */ 30#define HP100_PAGE_MAC_CTRL 0x4 /* Page 4 */ 31#define HP100_PAGE_MMU_CFG 0x5 /* Page 5 */ 32#define HP100_PAGE_ID_MAC_ADDR 0x6 /* Page 6 */ 33#define HP100_PAGE_MMU_POINTER 0x7 /* Page 7 */ 34 35 36/* Registers that are present on all pages */ 37 38#define HP100_REG_HW_ID 0x00 /* R: (16) Unique card ID */ 39#define HP100_REG_TRACE 0x00 /* W: (16) Used for debug output */ 40#define HP100_REG_PAGING 0x02 /* R: (16),15:4 Card ID */ 41 /* W: (16),3:0 Switch pages */ 42#define HP100_REG_OPTION_LSW 0x04 /* RW: (16) Select card functions */ 43#define HP100_REG_OPTION_MSW 0x06 /* RW: (16) Select card functions */ 44 45/* Page 0 - Performance */ 46 47#define HP100_REG_IRQ_STATUS 0x08 /* RW: (16) Which ints are pending */ 48#define HP100_REG_IRQ_MASK 0x0a /* RW: (16) Select ints to allow */ 49#define HP100_REG_FRAGMENT_LEN 0x0c /* W: (16)12:0 Current fragment len */ 50/* Note: For 32 bit systems, fragment len and offset registers are available */ 51/* at offset 0x28 and 0x2c, where they can be written as 32bit values. */ 52#define HP100_REG_OFFSET 0x0e /* RW: (16)12:0 Offset to start read */ 53#define HP100_REG_DATA32 0x10 /* RW: (32) I/O mode data port */ 54#define HP100_REG_DATA16 0x12 /* RW: WORDs must be read from here */ 55#define HP100_REG_TX_MEM_FREE 0x14 /* RD: (32) Amount of free Tx mem */ 56#define HP100_REG_TX_PDA_L 0x14 /* W: (32) BM: Ptr to PDL, Low Pri */ 57#define HP100_REG_TX_PDA_H 0x1c /* W: (32) BM: Ptr to PDL, High Pri */ 58#define HP100_REG_RX_PKT_CNT 0x18 /* RD: (8) Rx count of pkts on card */ 59#define HP100_REG_TX_PKT_CNT 0x19 /* RD: (8) Tx count of pkts on card */ 60#define HP100_REG_RX_PDL 0x1a /* R: (8) BM: # rx pdl not executed */ 61#define HP100_REG_TX_PDL 0x1b /* R: (8) BM: # tx pdl not executed */ 62#define HP100_REG_RX_PDA 0x18 /* W: (32) BM: Up to 31 addresses */ 63 /* which point to a PDL */ 64#define HP100_REG_SL_EARLY 0x1c /* (32) Enhanced Slave Early Rx */ 65#define HP100_REG_STAT_DROPPED 0x20 /* R (12) Dropped Packet Counter */ 66#define HP100_REG_STAT_ERRORED 0x22 /* R (8) Errored Packet Counter */ 67#define HP100_REG_STAT_ABORT 0x23 /* R (8) Abort Counter/OW Coll. Flag */ 68#define HP100_REG_RX_RING 0x24 /* W (32) Slave: RX Ring Pointers */ 69#define HP100_REG_32_FRAGMENT_LEN 0x28 /* W (13) Slave: Fragment Length Reg */ 70#define HP100_REG_32_OFFSET 0x2c /* W (16) Slave: Offset Register */ 71 72/* Page 1 - MAC Address/Hash Table */ 73 74#define HP100_REG_MAC_ADDR 0x08 /* RW: (8) Cards MAC address */ 75#define HP100_REG_HASH_BYTE0 0x10 /* RW: (8) Cards multicast filter */ 76 77/* Page 2 - Hardware Mapping */ 78 79#define HP100_REG_MEM_MAP_LSW 0x08 /* RW: (16) LSW of cards mem addr */ 80#define HP100_REG_MEM_MAP_MSW 0x0a /* RW: (16) MSW of cards mem addr */ 81#define HP100_REG_IO_MAP 0x0c /* RW: (8) Cards I/O address */ 82#define HP100_REG_IRQ_CHANNEL 0x0d /* RW: (8) IRQ and edge/level int */ 83#define HP100_REG_SRAM 0x0e /* RW: (8) How much RAM on card */ 84#define HP100_REG_BM 0x0f /* RW: (8) Controls BM functions */ 85 86/* New on Page 2 for ETR chips: */ 87#define HP100_REG_MODECTRL1 0x10 /* RW: (8) Mode Control 1 */ 88#define HP100_REG_MODECTRL2 0x11 /* RW: (8) Mode Control 2 */ 89#define HP100_REG_PCICTRL1 0x12 /* RW: (8) PCI Cfg 1 */ 90#define HP100_REG_PCICTRL2 0x13 /* RW: (8) PCI Cfg 2 */ 91#define HP100_REG_PCIBUSMLAT 0x15 /* RW: (8) PCI Bus Master Latency */ 92#define HP100_REG_EARLYTXCFG 0x16 /* RW: (16) Early TX Cfg/Cntrl Reg */ 93#define HP100_REG_EARLYRXCFG 0x18 /* RW: (8) Early RX Cfg/Cntrl Reg */ 94#define HP100_REG_ISAPNPCFG1 0x1a /* RW: (8) ISA PnP Cfg/Cntrl Reg 1 */ 95#define HP100_REG_ISAPNPCFG2 0x1b /* RW: (8) ISA PnP Cfg/Cntrl Reg 2 */ 96 97/* Page 3 - EEPROM/Boot ROM */ 98 99#define HP100_REG_EEPROM_CTRL 0x08 /* RW: (16) Used to load EEPROM */ 100#define HP100_REG_BOOTROM_CTRL 0x0a 101 102/* Page 4 - LAN Configuration (MAC_CTRL) */ 103 104#define HP100_REG_10_LAN_CFG_1 0x08 /* RW: (8) Set 10M XCVR functions */ 105#define HP100_REG_10_LAN_CFG_2 0x09 /* RW: (8) 10M XCVR functions */ 106#define HP100_REG_VG_LAN_CFG_1 0x0a /* RW: (8) Set 100M XCVR functions */ 107#define HP100_REG_VG_LAN_CFG_2 0x0b /* RW: (8) 100M LAN Training cfgregs */ 108#define HP100_REG_MAC_CFG_1 0x0c /* RW: (8) Types of pkts to accept */ 109#define HP100_REG_MAC_CFG_2 0x0d /* RW: (8) Misc MAC functions */ 110#define HP100_REG_MAC_CFG_3 0x0e /* RW: (8) Misc MAC functions */ 111#define HP100_REG_MAC_CFG_4 0x0f /* R: (8) Misc MAC states */ 112#define HP100_REG_DROPPED 0x10 /* R: (16),11:0 Pkts cant fit in mem */ 113#define HP100_REG_CRC 0x12 /* R: (8) Pkts with CRC */ 114#define HP100_REG_ABORT 0x13 /* R: (8) Aborted Tx pkts */ 115#define HP100_REG_TRAIN_REQUEST 0x14 /* RW: (16) Endnode MAC register. */ 116#define HP100_REG_TRAIN_ALLOW 0x16 /* R: (16) Hub allowed register */ 117 118/* Page 5 - MMU */ 119 120#define HP100_REG_RX_MEM_STOP 0x0c /* RW: (16) End of Rx ring addr */ 121#define HP100_REG_TX_MEM_STOP 0x0e /* RW: (16) End of Tx ring addr */ 122#define HP100_REG_PDL_MEM_STOP 0x10 /* Not used by 802.12 devices */ 123#define HP100_REG_ECB_MEM_STOP 0x14 /* I've no idea what this is */ 124 125/* Page 6 - Card ID/Physical LAN Address */ 126 127#define HP100_REG_BOARD_ID 0x08 /* R: (8) EISA/ISA card ID */ 128#define HP100_REG_BOARD_IO_CHCK 0x0c /* R: (8) Added to ID to get FFh */ 129#define HP100_REG_SOFT_MODEL 0x0d /* R: (8) Config program defined */ 130#define HP100_REG_LAN_ADDR 0x10 /* R: (8) MAC addr of card */ 131#define HP100_REG_LAN_ADDR_CHCK 0x16 /* R: (8) Added to addr to get FFh */ 132 133/* Page 7 - MMU Current Pointers */ 134 135#define HP100_REG_PTR_RXSTART 0x08 /* R: (16) Current begin of Rx ring */ 136#define HP100_REG_PTR_RXEND 0x0a /* R: (16) Current end of Rx ring */ 137#define HP100_REG_PTR_TXSTART 0x0c /* R: (16) Current begin of Tx ring */ 138#define HP100_REG_PTR_TXEND 0x0e /* R: (16) Current end of Rx ring */ 139#define HP100_REG_PTR_RPDLSTART 0x10 140#define HP100_REG_PTR_RPDLEND 0x12 141#define HP100_REG_PTR_RINGPTRS 0x14 142#define HP100_REG_PTR_MEMDEBUG 0x1a 143/* ------------------------------------------------------------------------ */ 144 145 146/* 147 * Hardware ID Register I (Always available, HW_ID, Offset 0x00) 148 */ 149#define HP100_HW_ID_CASCADE 0x4850 /* Identifies Cascade Chip */ 150 151/* 152 * Hardware ID Register 2 & Paging Register 153 * (Always available, PAGING, Offset 0x02) 154 * Bits 15:4 are for the Chip ID 155 */ 156#define HP100_CHIPID_MASK 0xFFF0 157#define HP100_CHIPID_SHASTA 0x5350 /* Not 802.12 compliant */ 158 /* EISA BM/SL, MCA16/32 SL, ISA SL */ 159#define HP100_CHIPID_RAINIER 0x5360 /* Not 802.12 compliant EISA BM, */ 160 /* PCI SL, MCA16/32 SL, ISA SL */ 161#define HP100_CHIPID_LASSEN 0x5370 /* 802.12 compliant PCI BM, PCI SL */ 162 /* LRF supported */ 163 164/* 165 * Option Registers I and II 166 * (Always available, OPTION_LSW, Offset 0x04-0x05) 167 */ 168#define HP100_DEBUG_EN 0x8000 /* 0:Dis., 1:Enable Debug Dump Ptr. */ 169#define HP100_RX_HDR 0x4000 /* 0:Dis., 1:Enable putting pkt into */ 170 /* system mem. before Rx interrupt */ 171#define HP100_MMAP_DIS 0x2000 /* 0:Enable, 1:Disable mem.mapping. */ 172 /* MMAP_DIS must be 0 and MEM_EN */ 173 /* must be 1 for memory-mapped */ 174 /* mode to be enabled */ 175#define HP100_EE_EN 0x1000 /* 0:Disable,1:Enable EEPROM writing */ 176#define HP100_BM_WRITE 0x0800 /* 0:Slave, 1:Bus Master for Tx data */ 177#define HP100_BM_READ 0x0400 /* 0:Slave, 1:Bus Master for Rx data */ 178#define HP100_TRI_INT 0x0200 /* 0:Don't, 1:Do tri-state the int */ 179#define HP100_MEM_EN 0x0040 /* Config program set this to */ 180 /* 0:Disable, 1:Enable mem map. */ 181 /* See MMAP_DIS. */ 182#define HP100_IO_EN 0x0020 /* 1:Enable I/O transfers */ 183#define HP100_BOOT_EN 0x0010 /* 1:Enable boot ROM access */ 184#define HP100_FAKE_INT 0x0008 /* 1:int */ 185#define HP100_INT_EN 0x0004 /* 1:Enable ints from card */ 186#define HP100_HW_RST 0x0002 /* 0:Reset, 1:Out of reset */ 187 /* NIC reset on 0 to 1 transition */ 188 189/* 190 * Option Register III 191 * (Always available, OPTION_MSW, Offset 0x06) 192 */ 193#define HP100_PRIORITY_TX 0x0080 /* 1:Do all Tx pkts as priority */ 194#define HP100_EE_LOAD 0x0040 /* 1:EEPROM loading, 0 when done */ 195#define HP100_ADV_NXT_PKT 0x0004 /* 1:Advance to next pkt in Rx queue */ 196 /* h/w will set to 0 when done */ 197#define HP100_TX_CMD 0x0002 /* 1:Tell h/w download done, h/w */ 198 /* will set to 0 when done */ 199 200/* 201 * Interrupt Status Registers I and II 202 * (Page PERFORMANCE, IRQ_STATUS, Offset 0x08-0x09) 203 * Note: With old chips, these Registers will clear when 1 is written to them 204 * with new chips this depends on setting of CLR_ISMODE 205 */ 206#define HP100_RX_EARLY_INT 0x2000 207#define HP100_RX_PDA_ZERO 0x1000 208#define HP100_RX_PDL_FILL_COMPL 0x0800 209#define HP100_RX_PACKET 0x0400 /* 0:No, 1:Yes pkt has been Rx */ 210#define HP100_RX_ERROR 0x0200 /* 0:No, 1:Yes Rx pkt had error */ 211#define HP100_TX_PDA_ZERO 0x0020 /* 1 when PDA count goes to zero */ 212#define HP100_TX_SPACE_AVAIL 0x0010 /* 0:<8192, 1:>=8192 Tx free bytes */ 213#define HP100_TX_COMPLETE 0x0008 /* 0:No, 1:Yes a Tx has completed */ 214#define HP100_MISC_ERROR 0x0004 /* 0:No, 1:Lan Link down or bus error */ 215#define HP100_TX_ERROR 0x0002 /* 0:No, 1:Yes Tx pkt had error */ 216 217/* 218 * Xmit Memory Free Count 219 * (Page PERFORMANCE, TX_MEM_FREE, Offset 0x14) (Read only, 32bit) 220 */ 221#define HP100_AUTO_COMPARE 0x80000000 /* Tx Space avail & pkts<255 */ 222#define HP100_FREE_SPACE 0x7fffffe0 /* Tx free memory */ 223 224/* 225 * IRQ Channel 226 * (Page HW_MAP, IRQ_CHANNEL, Offset 0x0d) 227 */ 228#define HP100_ZERO_WAIT_EN 0x80 /* 0:No, 1:Yes asserts NOWS signal */ 229#define HP100_IRQ_SCRAMBLE 0x40 230#define HP100_BOND_HP 0x20 231#define HP100_LEVEL_IRQ 0x10 /* 0:Edge, 1:Level type interrupts. */ 232 /* (Only valid on EISA cards) */ 233#define HP100_IRQMASK 0x0F /* Isolate the IRQ bits */ 234 235/* 236 * SRAM Parameters 237 * (Page HW_MAP, SRAM, Offset 0x0e) 238 */ 239#define HP100_RAM_SIZE_MASK 0xe0 /* AND to get SRAM size index */ 240#define HP100_RAM_SIZE_SHIFT 0x05 /* Shift count(put index in lwr bits) */ 241 242/* 243 * Bus Master Register 244 * (Page HW_MAP, BM, Offset 0x0f) 245 */ 246#define HP100_BM_BURST_RD 0x01 /* EISA only: 1=Use burst trans. fm system */ 247 /* memory to chip (tx) */ 248#define HP100_BM_BURST_WR 0x02 /* EISA only: 1=Use burst trans. fm system */ 249 /* memory to chip (rx) */ 250#define HP100_BM_MASTER 0x04 /* 0:Slave, 1:BM mode */ 251#define HP100_BM_PAGE_CK 0x08 /* This bit should be set whenever in */ 252 /* an EISA system */ 253#define HP100_BM_PCI_8CLK 0x40 /* ... cycles 8 clocks apart */ 254 255 256/* 257 * Mode Control Register I 258 * (Page HW_MAP, MODECTRL1, Offset0x10) 259 */ 260#define HP100_TX_DUALQ 0x10 261 /* If set and BM -> dual tx pda queues */ 262#define HP100_ISR_CLRMODE 0x02 /* If set ISR will clear all pending */ 263 /* interrupts on read (etr only?) */ 264#define HP100_EE_NOLOAD 0x04 /* Status whether res will be loaded */ 265 /* from the eeprom */ 266#define HP100_TX_CNT_FLG 0x08 /* Controls Early TX Reg Cnt Field */ 267#define HP100_PDL_USE3 0x10 /* If set BM engine will read only */ 268 /* first three data elements of a PDL */ 269 /* on the first access. */ 270#define HP100_BUSTYPE_MASK 0xe0 /* Three bit bus type info */ 271 272/* 273 * Mode Control Register II 274 * (Page HW_MAP, MODECTRL2, Offset0x11) 275 */ 276#define HP100_EE_MASK 0x0f /* Tell EEPROM circuit not to load */ 277 /* certain resources */ 278#define HP100_DIS_CANCEL 0x20 /* For tx dualq mode operation */ 279#define HP100_EN_PDL_WB 0x40 /* 1: Status of PDL completion may be */ 280 /* written back to system mem */ 281#define HP100_EN_BUS_FAIL 0x80 /* Enables bus-fail portion of misc */ 282 /* interrupt */ 283 284/* 285 * PCI Configuration and Control Register I 286 * (Page HW_MAP, PCICTRL1, Offset 0x12) 287 */ 288#define HP100_LO_MEM 0x01 /* 1: Mapped Mem requested below 1MB */ 289#define HP100_NO_MEM 0x02 /* 1: Disables Req for sysmem to PCI */ 290 /* bios */ 291#define HP100_USE_ISA 0x04 /* 1: isa type decodes will occur */ 292 /* simultaneously with PCI decodes */ 293#define HP100_IRQ_HI_MASK 0xf0 /* pgmed by pci bios */ 294#define HP100_PCI_IRQ_HI_MASK 0x78 /* Isolate 4 bits for PCI IRQ */ 295 296/* 297 * PCI Configuration and Control Register II 298 * (Page HW_MAP, PCICTRL2, Offset 0x13) 299 */ 300#define HP100_RD_LINE_PDL 0x01 /* 1: PCI command Memory Read Line en */ 301#define HP100_RD_TX_DATA_MASK 0x06 /* choose PCI memread cmds for TX */ 302#define HP100_MWI 0x08 /* 1: en. PCI memory write invalidate */ 303#define HP100_ARB_MODE 0x10 /* Select PCI arbitor type */ 304#define HP100_STOP_EN 0x20 /* Enables PCI state machine to issue */ 305 /* pci stop if cascade not ready */ 306#define HP100_IGNORE_PAR 0x40 /* 1: PCI state machine ignores parity */ 307#define HP100_PCI_RESET 0x80 /* 0->1: Reset PCI block */ 308 309/* 310 * Early TX Configuration and Control Register 311 * (Page HW_MAP, EARLYTXCFG, Offset 0x16) 312 */ 313#define HP100_EN_EARLY_TX 0x8000 /* 1=Enable Early TX */ 314#define HP100_EN_ADAPTIVE 0x4000 /* 1=Enable adaptive mode */ 315#define HP100_EN_TX_UR_IRQ 0x2000 /* reserved, must be 0 */ 316#define HP100_EN_LOW_TX 0x1000 /* reserved, must be 0 */ 317#define HP100_ET_CNT_MASK 0x0fff /* bits 11..0: ET counters */ 318 319/* 320 * Early RX Configuration and Control Register 321 * (Page HW_MAP, EARLYRXCFG, Offset 0x18) 322 */ 323#define HP100_EN_EARLY_RX 0x80 /* 1=Enable Early RX */ 324#define HP100_EN_LOW_RX 0x40 /* reserved, must be 0 */ 325#define HP100_RX_TRIP_MASK 0x1f /* bits 4..0: threshold at which the 326 * early rx circuit will start the 327 * dma of received packet into system 328 * memory for BM */ 329 330/* 331 * Serial Devices Control Register 332 * (Page EEPROM_CTRL, EEPROM_CTRL, Offset 0x08) 333 */ 334#define HP100_EEPROM_LOAD 0x0001 /* 0->1 loads EEPROM into registers. */ 335 /* When it goes back to 0, load is */ 336 /* complete. This should take ~600us. */ 337 338/* 339 * 10MB LAN Control and Configuration Register I 340 * (Page MAC_CTRL, 10_LAN_CFG_1, Offset 0x08) 341 */ 342#define HP100_MAC10_SEL 0xc0 /* Get bits to indicate MAC */ 343#define HP100_AUI_SEL 0x20 /* Status of AUI selection */ 344#define HP100_LOW_TH 0x10 /* 0:No, 1:Yes allow better cabling */ 345#define HP100_LINK_BEAT_DIS 0x08 /* 0:Enable, 1:Disable link beat */ 346#define HP100_LINK_BEAT_ST 0x04 /* 0:No, 1:Yes link beat being Rx */ 347#define HP100_R_ROL_ST 0x02 /* 0:No, 1:Yes Rx twisted pair has */ 348 /* been reversed */ 349#define HP100_AUI_ST 0x01 /* 0:No, 1:Yes use AUI on TP card */ 350 351/* 352 * 10 MB LAN Control and Configuration Register II 353 * (Page MAC_CTRL, 10_LAN_CFG_2, Offset 0x09) 354 */ 355#define HP100_SQU_ST 0x01 /* 0:No, 1:Yes collision signal sent */ 356 /* after Tx.Only used for AUI. */ 357#define HP100_FULLDUP 0x02 /* 1: LXT901 XCVR fullduplx enabled */ 358#define HP100_DOT3_MAC 0x04 /* 1: DOT 3 Mac sel. unless Autosel */ 359 360/* 361 * MAC Selection, use with MAC10_SEL bits 362 */ 363#define HP100_AUTO_SEL_10 0x0 /* Auto select */ 364#define HP100_XCVR_LXT901_10 0x1 /* LXT901 10BaseT transceiver */ 365#define HP100_XCVR_7213 0x2 /* 7213 transceiver */ 366#define HP100_XCVR_82503 0x3 /* 82503 transceiver */ 367 368/* 369 * 100MB LAN Training Register 370 * (Page MAC_CTRL, VG_LAN_CFG_2, Offset 0x0b) (old, pre 802.12) 371 */ 372#define HP100_FRAME_FORMAT 0x08 /* 0:802.3, 1:802.5 frames */ 373#define HP100_BRIDGE 0x04 /* 0:No, 1:Yes tell hub i am a bridge */ 374#define HP100_PROM_MODE 0x02 /* 0:No, 1:Yes tell hub card is */ 375 /* promiscuous */ 376#define HP100_REPEATER 0x01 /* 0:No, 1:Yes tell hub MAC wants to */ 377 /* be a cascaded repeater */ 378 379/* 380 * 100MB LAN Control and Configuration Register 381 * (Page MAC_CTRL, VG_LAN_CFG_1, Offset 0x0a) 382 */ 383#define HP100_VG_SEL 0x80 /* 0:No, 1:Yes use 100 Mbit MAC */ 384#define HP100_LINK_UP_ST 0x40 /* 0:No, 1:Yes endnode logged in */ 385#define HP100_LINK_CABLE_ST 0x20 /* 0:No, 1:Yes cable can hear tones */ 386 /* from hub */ 387#define HP100_LOAD_ADDR 0x10 /* 0->1 card addr will be sent */ 388 /* 100ms later the link status */ 389 /* bits are valid */ 390#define HP100_LINK_CMD 0x08 /* 0->1 link will attempt to log in. */ 391 /* 100ms later the link status */ 392 /* bits are valid */ 393#define HP100_TRN_DONE 0x04 /* NEW ETR-Chips only: Will be reset */ 394 /* after LinkUp Cmd is given and set */ 395 /* when training has completed. */ 396#define HP100_LINK_GOOD_ST 0x02 /* 0:No, 1:Yes cable passed training */ 397#define HP100_VG_RESET 0x01 /* 0:Yes, 1:No reset the 100VG MAC */ 398 399 400/* 401 * MAC Configuration Register I 402 * (Page MAC_CTRL, MAC_CFG_1, Offset 0x0c) 403 */ 404#define HP100_RX_IDLE 0x80 /* 0:Yes, 1:No currently receiving pkts */ 405#define HP100_TX_IDLE 0x40 /* 0:Yes, 1:No currently Txing pkts */ 406#define HP100_RX_EN 0x20 /* 1: allow receiving of pkts */ 407#define HP100_TX_EN 0x10 /* 1: allow transmitting of pkts */ 408#define HP100_ACC_ERRORED 0x08 /* 0:No, 1:Yes allow Rx of errored pkts */ 409#define HP100_ACC_MC 0x04 /* 0:No, 1:Yes allow Rx of multicast pkts */ 410#define HP100_ACC_BC 0x02 /* 0:No, 1:Yes allow Rx of broadcast pkts */ 411#define HP100_ACC_PHY 0x01 /* 0:No, 1:Yes allow Rx of ALL phys. pkts */ 412#define HP100_MAC1MODEMASK 0xf0 /* Hide ACC bits */ 413#define HP100_MAC1MODE1 0x00 /* Receive nothing, must also disable RX */ 414#define HP100_MAC1MODE2 0x00 415#define HP100_MAC1MODE3 HP100_MAC1MODE2 | HP100_ACC_BC 416#define HP100_MAC1MODE4 HP100_MAC1MODE3 | HP100_ACC_MC 417#define HP100_MAC1MODE5 HP100_MAC1MODE4 /* set mc hash to all ones also */ 418#define HP100_MAC1MODE6 HP100_MAC1MODE5 | HP100_ACC_PHY /* Promiscuous */ 419/* Note MODE6 will receive all GOOD packets on the LAN. This really needs 420 a mode 7 defined to be LAN Analyzer mode, which will receive errored and 421 runt packets, and keep the CRC bytes. */ 422#define HP100_MAC1MODE7 HP100_MAC1MODE6 | HP100_ACC_ERRORED 423 424/* 425 * MAC Configuration Register II 426 * (Page MAC_CTRL, MAC_CFG_2, Offset 0x0d) 427 */ 428#define HP100_TR_MODE 0x80 /* 0:No, 1:Yes support Token Ring formats */ 429#define HP100_TX_SAME 0x40 /* 0:No, 1:Yes Tx same packet continuous */ 430#define HP100_LBK_XCVR 0x20 /* 0:No, 1:Yes loopback through MAC & */ 431 /* transceiver */ 432#define HP100_LBK_MAC 0x10 /* 0:No, 1:Yes loopback through MAC */ 433#define HP100_CRC_I 0x08 /* 0:No, 1:Yes inhibit CRC on Tx packets */ 434#define HP100_ACCNA 0x04 /* 1: For 802.5: Accept only token ring 435 * group addr that maches NA mask */ 436#define HP100_KEEP_CRC 0x02 /* 0:No, 1:Yes keep CRC on Rx packets. */ 437 /* The length will reflect this. */ 438#define HP100_ACCFA 0x01 /* 1: For 802.5: Accept only functional 439 * addrs that match FA mask (page1) */ 440#define HP100_MAC2MODEMASK 0x02 441#define HP100_MAC2MODE1 0x00 442#define HP100_MAC2MODE2 0x00 443#define HP100_MAC2MODE3 0x00 444#define HP100_MAC2MODE4 0x00 445#define HP100_MAC2MODE5 0x00 446#define HP100_MAC2MODE6 0x00 447#define HP100_MAC2MODE7 KEEP_CRC 448 449/* 450 * MAC Configuration Register III 451 * (Page MAC_CTRL, MAC_CFG_3, Offset 0x0e) 452 */ 453#define HP100_PACKET_PACE 0x03 /* Packet Pacing: 454 * 00: No packet pacing 455 * 01: 8 to 16 uS delay 456 * 10: 16 to 32 uS delay 457 * 11: 32 to 64 uS delay 458 */ 459#define HP100_LRF_EN 0x04 /* 1: External LAN Rcv Filter and 460 * TCP/IP Checksumming enabled. */ 461#define HP100_AUTO_MODE 0x10 /* 1: AutoSelect between 10/100 */ 462 463/* 464 * MAC Configuration Register IV 465 * (Page MAC_CTRL, MAC_CFG_4, Offset 0x0f) 466 */ 467#define HP100_MAC_SEL_ST 0x01 /* (R): Status of external VGSEL 468 * Signal, 1=100VG, 0=10Mbit sel. */ 469#define HP100_LINK_FAIL_ST 0x02 /* (R): Status of Link Fail portion 470 * of the Misc. Interrupt */ 471 472/* 473 * 100 MB LAN Training Request/Allowed Registers 474 * (Page MAC_CTRL, TRAIN_REQUEST and TRAIN_ALLOW, Offset 0x14-0x16)(ETR parts only) 475 */ 476#define HP100_MACRQ_REPEATER 0x0001 /* 1: MAC tells HUB it wants to be 477 * a cascaded repeater 478 * 0: ... wants to be a DTE */ 479#define HP100_MACRQ_PROMSC 0x0006 /* 2 bits: Promiscious mode 480 * 00: Rcv only unicast packets 481 * specifically addr to this 482 * endnode 483 * 10: Rcv all pckts fwded by 484 * the local repeater */ 485#define HP100_MACRQ_FRAMEFMT_EITHER 0x0018 /* 11: either format allowed */ 486#define HP100_MACRQ_FRAMEFMT_802_3 0x0000 /* 00: 802.3 is requested */ 487#define HP100_MACRQ_FRAMEFMT_802_5 0x0010 /* 10: 802.5 format is requested */ 488#define HP100_CARD_MACVER 0xe000 /* R: 3 bit Cards 100VG MAC version */ 489#define HP100_MALLOW_REPEATER 0x0001 /* If reset, requested access as an 490 * end node is allowed */ 491#define HP100_MALLOW_PROMSC 0x0004 /* 2 bits: Promiscious mode 492 * 00: Rcv only unicast packets 493 * specifically addr to this 494 * endnode 495 * 10: Rcv all pckts fwded by 496 * the local repeater */ 497#define HP100_MALLOW_FRAMEFMT 0x00e0 /* 2 bits: Frame Format 498 * 00: 802.3 format will be used 499 * 10: 802.5 format will be used */ 500#define HP100_MALLOW_ACCDENIED 0x0400 /* N bit */ 501#define HP100_MALLOW_CONFIGURE 0x0f00 /* C bit */ 502#define HP100_MALLOW_DUPADDR 0x1000 /* D bit */ 503#define HP100_HUB_MACVER 0xe000 /* R: 3 bit 802.12 MAC/RMAC training */ 504 /* protocol of repeater */ 505 506/* ****************************************************************************** */ 507 508/* 509 * Set/Reset bits 510 */ 511#define HP100_SET_HB 0x0100 /* 0:Set fields to 0 whose mask is 1 */ 512#define HP100_SET_LB 0x0001 /* HB sets upper byte, LB sets lower byte */ 513#define HP100_RESET_HB 0x0000 /* For readability when resetting bits */ 514#define HP100_RESET_LB 0x0000 /* For readability when resetting bits */ 515 516/* 517 * Misc. Constants 518 */ 519#define HP100_LAN_100 100 /* lan_type value for VG */ 520#define HP100_LAN_10 10 /* lan_type value for 10BaseT */ 521#define HP100_LAN_COAX 9 /* lan_type value for Coax */ 522#define HP100_LAN_ERR (-1) /* lan_type value for link down */ 523 524/* 525 * Bus Master Data Structures ---------------------------------------------- 526 */ 527 528#define MAX_RX_PDL 30 /* Card limit = 31 */ 529#define MAX_RX_FRAG 2 /* Don't need more... */ 530#define MAX_TX_PDL 29 531#define MAX_TX_FRAG 2 /* Limit = 31 */ 532 533/* Define total PDL area size in bytes (should be 4096) */ 534/* This is the size of kernel (dma) memory that will be allocated. */ 535#define MAX_RINGSIZE ((MAX_RX_FRAG*8+4+4)*MAX_RX_PDL+(MAX_TX_FRAG*8+4+4)*MAX_TX_PDL)+16 536 537/* Ethernet Packet Sizes */ 538#define MIN_ETHER_SIZE 60 539#define MAX_ETHER_SIZE 1514 /* Needed for preallocation of */ 540 /* skb buffer when busmastering */ 541 542/* Tx or Rx Ring Entry */ 543typedef struct hp100_ring { 544 u_int *pdl; /* Address of PDLs PDH, dword before 545 * this address is used for rx hdr */ 546 u_int pdl_paddr; /* Physical address of PDL */ 547 struct sk_buff *skb; 548 struct hp100_ring *next; 549} hp100_ring_t; 550 551 552 553/* Mask for Header Descriptor */ 554#define HP100_PKT_LEN_MASK 0x1FFF /* AND with RxLength to get length */ 555 556 557/* Receive Packet Status. Note, the error bits are only valid if ACC_ERRORED 558 bit in the MAC Configuration Register 1 is set. */ 559#define HP100_RX_PRI 0x8000 /* 0:No, 1:Yes packet is priority */ 560#define HP100_SDF_ERR 0x4000 /* 0:No, 1:Yes start of frame error */ 561#define HP100_SKEW_ERR 0x2000 /* 0:No, 1:Yes skew out of range */ 562#define HP100_BAD_SYMBOL_ERR 0x1000 /* 0:No, 1:Yes invalid symbol received */ 563#define HP100_RCV_IPM_ERR 0x0800 /* 0:No, 1:Yes pkt had an invalid packet */ 564 /* marker */ 565#define HP100_SYMBOL_BAL_ERR 0x0400 /* 0:No, 1:Yes symbol balance error */ 566#define HP100_VG_ALN_ERR 0x0200 /* 0:No, 1:Yes non-octet received */ 567#define HP100_TRUNC_ERR 0x0100 /* 0:No, 1:Yes the packet was truncated */ 568#define HP100_RUNT_ERR 0x0040 /* 0:No, 1:Yes pkt length < Min Pkt */ 569 /* Length Reg. */ 570#define HP100_ALN_ERR 0x0010 /* 0:No, 1:Yes align error. */ 571#define HP100_CRC_ERR 0x0008 /* 0:No, 1:Yes CRC occurred. */ 572 573/* The last three bits indicate the type of destination address */ 574 575#define HP100_MULTI_ADDR_HASH 0x0006 /* 110: Addr multicast, matched hash */ 576#define HP100_BROADCAST_ADDR 0x0003 /* x11: Addr broadcast */ 577#define HP100_MULTI_ADDR_NO_HASH 0x0002 /* 010: Addr multicast, didn't match hash */ 578#define HP100_PHYS_ADDR_MATCH 0x0001 /* x01: Addr was physical and mine */ 579#define HP100_PHYS_ADDR_NO_MATCH 0x0000 /* x00: Addr was physical but not mine */ 580 581/* 582 * macros 583 */ 584 585#define hp100_inb( reg ) \ 586 inb( ioaddr + HP100_REG_##reg ) 587#define hp100_inw( reg ) \ 588 inw( ioaddr + HP100_REG_##reg ) 589#define hp100_inl( reg ) \ 590 inl( ioaddr + HP100_REG_##reg ) 591#define hp100_outb( data, reg ) \ 592 outb( data, ioaddr + HP100_REG_##reg ) 593#define hp100_outw( data, reg ) \ 594 outw( data, ioaddr + HP100_REG_##reg ) 595#define hp100_outl( data, reg ) \ 596 outl( data, ioaddr + HP100_REG_##reg ) 597#define hp100_orb( data, reg ) \ 598 outb( inb( ioaddr + HP100_REG_##reg ) | (data), ioaddr + HP100_REG_##reg ) 599#define hp100_orw( data, reg ) \ 600 outw( inw( ioaddr + HP100_REG_##reg ) | (data), ioaddr + HP100_REG_##reg ) 601#define hp100_andb( data, reg ) \ 602 outb( inb( ioaddr + HP100_REG_##reg ) & (data), ioaddr + HP100_REG_##reg ) 603#define hp100_andw( data, reg ) \ 604 outw( inw( ioaddr + HP100_REG_##reg ) & (data), ioaddr + HP100_REG_##reg ) 605 606#define hp100_page( page ) \ 607 outw( HP100_PAGE_##page, ioaddr + HP100_REG_PAGING ) 608#define hp100_ints_off() \ 609 outw( HP100_INT_EN | HP100_RESET_LB, ioaddr + HP100_REG_OPTION_LSW ) 610#define hp100_ints_on() \ 611 outw( HP100_INT_EN | HP100_SET_LB, ioaddr + HP100_REG_OPTION_LSW ) 612#define hp100_mem_map_enable() \ 613 outw( HP100_MMAP_DIS | HP100_RESET_HB, ioaddr + HP100_REG_OPTION_LSW ) 614#define hp100_mem_map_disable() \ 615 outw( HP100_MMAP_DIS | HP100_SET_HB, ioaddr + HP100_REG_OPTION_LSW ) 616