1 /* 2 * 3c359.h (c) 2000 Mike Phillips (mikep@linuxtr.net) All Rights Reserved 3 * 4 * Linux driver for 3Com 3C359 Token Link PCI XL cards. 5 * 6 * This software may be used and distributed according to the terms 7 * of the GNU General Public License Version 2 or (at your option) 8 * any later verion, incorporated herein by reference. 9 */ 10 11 /* Memory Access Commands */ 12 #define IO_BYTE_READ 0x28 << 24 13 #define IO_BYTE_WRITE 0x18 << 24 14 #define IO_WORD_READ 0x20 << 24 15 #define IO_WORD_WRITE 0x10 << 24 16 #define MMIO_BYTE_READ 0x88 << 24 17 #define MMIO_BYTE_WRITE 0x48 << 24 18 #define MMIO_WORD_READ 0x80 << 24 19 #define MMIO_WORD_WRITE 0x40 << 24 20 #define MEM_BYTE_READ 0x8C << 24 21 #define MEM_BYTE_WRITE 0x4C << 24 22 #define MEM_WORD_READ 0x84 << 24 23 #define MEM_WORD_WRITE 0x44 << 24 24 25 #define PMBAR 0x1C80 26 #define PMB_CPHOLD (1<<10) 27 28 #define CPATTENTION 0x180D 29 #define CPA_PMBARVIS (1<<7) 30 #define CPA_MEMWREN (1<<6) 31 32 #define SWITCHSETTINGS 0x1C88 33 #define EECONTROL 0x1C8A 34 #define EEDATA 0x1C8C 35 #define EEREAD 0x0080 36 #define EEWRITE 0x0040 37 #define EEERASE 0x0060 38 #define EE_ENABLE_WRITE 0x0030 39 #define EEBUSY (1<<15) 40 41 #define WRBR 0xCDE02 42 #define WWOR 0xCDE04 43 #define WWCR 0xCDE06 44 #define MACSTATUS 0xCDE08 45 #define MISR_RW 0xCDE0B 46 #define MISR_AND 0xCDE2B 47 #define MISR_SET 0xCDE4B 48 #define RXBUFAREA 0xCDE10 49 #define RXEARLYTHRESH 0xCDE12 50 #define TXSTARTTHRESH 0x58 51 #define DNPRIREQTHRESH 0x2C 52 53 #define MISR_CSRB (1<<5) 54 #define MISR_RASB (1<<4) 55 #define MISR_SRBFR (1<<3) 56 #define MISR_ASBFR (1<<2) 57 #define MISR_ARBF (1<<1) 58 59 /* MISR Flags memory locations */ 60 #define MF_SSBF 0xDFFE0 61 #define MF_ARBF 0xDFFE1 62 #define MF_ASBFR 0xDFFE2 63 #define MF_SRBFR 0xDFFE3 64 #define MF_RASB 0xDFFE4 65 #define MF_CSRB 0xDFFE5 66 67 #define MMIO_MACDATA 0x10 68 #define MMIO_MAC_ACCESS_CMD 0x14 69 #define MMIO_TIMER 0x1A 70 #define MMIO_DMA_CTRL 0x20 71 #define MMIO_DNLISTPTR 0x24 72 #define MMIO_HASHFILTER 0x28 73 #define MMIO_CONFIG 0x29 74 #define MMIO_DNPRIREQTHRESH 0x2C 75 #define MMIO_DNPOLL 0x2D 76 #define MMIO_UPPKTSTATUS 0x30 77 #define MMIO_FREETIMER 0x34 78 #define MMIO_COUNTDOWN 0x36 79 #define MMIO_UPLISTPTR 0x38 80 #define MMIO_UPPOLL 0x3C 81 #define MMIO_UPBURSTTHRESH 0x40 82 #define MMIO_DNBURSTTHRESH 0x41 83 #define MMIO_INTSTATUS_AUTO 0x56 84 #define MMIO_TXSTARTTHRESH 0x58 85 #define MMIO_INTERRUPTENABLE 0x5A 86 #define MMIO_INDICATIONENABLE 0x5C 87 #define MMIO_COMMAND 0x5E /* These two are meant to be the same */ 88 #define MMIO_INTSTATUS 0x5E /* Makes the code more readable this way */ 89 #define INTSTAT_CMD_IN_PROGRESS (1<<12) 90 #define INTSTAT_SRB (1<<14) 91 #define INTSTAT_INTLATCH (1<<0) 92 93 /* Indication / Interrupt Mask 94 * Annoyingly the bits to be set in the indication and interrupt enable 95 * do not match with the actual bits received in the interrupt, although 96 * they are in the same order. 97 * The mapping for the indication / interrupt are: 98 * Bit Indication / Interrupt 99 * 0 HostError 100 * 1 txcomplete 101 * 2 updneeded 102 * 3 rxcomplete 103 * 4 intrequested 104 * 5 macerror 105 * 6 dncomplete 106 * 7 upcomplete 107 * 8 txunderrun 108 * 9 asbf 109 * 10 srbr 110 * 11 arbc 111 * 112 * The only ones we don't want to receive are txcomplete and rxcomplete 113 * we use dncomplete and upcomplete instead. 114 */ 115 116 #define INT_MASK 0xFF5 117 118 /* Note the subtle difference here, IND and INT */ 119 120 #define SETINDENABLE (8<<12) 121 #define SETINTENABLE (7<<12) 122 #define SRBBIT (1<<10) 123 #define ASBBIT (1<<9) 124 #define ARBBIT (1<<11) 125 126 #define SRB 0xDFE90 127 #define ASB 0xDFED0 128 #define ARB 0xD0000 129 #define SCRATCH 0xDFEF0 130 131 #define INT_REQUEST 0x6000 /* (6 << 12) */ 132 #define ACK_INTERRUPT 0x6800 /* (13 <<11) */ 133 #define GLOBAL_RESET 0x00 134 #define DNDISABLE 0x5000 135 #define DNENABLE 0x4800 136 #define DNSTALL 0x3002 137 #define DNRESET 0x5800 138 #define DNUNSTALL 0x3003 139 #define UPRESET 0x2800 140 #define UPSTALL 0x3000 141 #define UPUNSTALL 0x3001 142 #define SETCONFIG 0x4000 143 #define SETTXSTARTTHRESH 0x9800 144 145 /* Received Interrupts */ 146 #define ASBFINT (1<<13) 147 #define SRBRINT (1<<14) 148 #define ARBCINT (1<<15) 149 #define TXUNDERRUN (1<<11) 150 151 #define UPCOMPINT (1<<10) 152 #define DNCOMPINT (1<<9) 153 #define HARDERRINT (1<<7) 154 #define RXCOMPLETE (1<<4) 155 #define TXCOMPINT (1<<2) 156 #define HOSTERRINT (1<<1) 157 158 /* Receive descriptor bits */ 159 #define RXOVERRUN cpu_to_le32(1<<19) 160 #define RXFC cpu_to_le32(1<<21) 161 #define RXAR cpu_to_le32(1<<22) 162 #define RXUPDCOMPLETE cpu_to_le32(1<<23) 163 #define RXUPDFULL cpu_to_le32(1<<24) 164 #define RXUPLASTFRAG cpu_to_le32(1<<31) 165 166 /* Transmit descriptor bits */ 167 #define TXDNCOMPLETE cpu_to_le32(1<<16) 168 #define TXTXINDICATE cpu_to_le32(1<<27) 169 #define TXDPDEMPTY cpu_to_le32(1<<29) 170 #define TXDNINDICATE cpu_to_le32(1<<31) 171 #define TXDNFRAGLAST cpu_to_le32(1<<31) 172 173 /* Interrupts to Acknowledge */ 174 #define LATCH_ACK 1 175 #define TXCOMPACK (1<<1) 176 #define INTREQACK (1<<2) 177 #define DNCOMPACK (1<<3) 178 #define UPCOMPACK (1<<4) 179 #define ASBFACK (1<<5) 180 #define SRBRACK (1<<6) 181 #define ARBCACK (1<<7) 182 183 #define XL_IO_SPACE 128 184 #define SRB_COMMAND_SIZE 50 185 186 /* Adapter Commands */ 187 #define REQUEST_INT 0x00 188 #define MODIFY_OPEN_PARMS 0x01 189 #define RESTORE_OPEN_PARMS 0x02 190 #define OPEN_NIC 0x03 191 #define CLOSE_NIC 0x04 192 #define SET_SLEEP_MODE 0x05 193 #define SET_GROUP_ADDRESS 0x06 194 #define SET_FUNC_ADDRESS 0x07 195 #define READ_LOG 0x08 196 #define SET_MULTICAST_MODE 0x0C 197 #define CHANGE_WAKEUP_PATTERN 0x0D 198 #define GET_STATISTICS 0x13 199 #define SET_RECEIVE_MODE 0x1F 200 201 /* ARB Commands */ 202 #define RECEIVE_DATA 0x81 203 #define RING_STATUS_CHANGE 0x84 204 205 /* ASB Commands */ 206 #define ASB_RECEIVE_DATE 0x81 207 208 /* Defines for LAN STATUS CHANGE reports */ 209 #define LSC_SIG_LOSS 0x8000 210 #define LSC_HARD_ERR 0x4000 211 #define LSC_SOFT_ERR 0x2000 212 #define LSC_TRAN_BCN 0x1000 213 #define LSC_LWF 0x0800 214 #define LSC_ARW 0x0400 215 #define LSC_FPE 0x0200 216 #define LSC_RR 0x0100 217 #define LSC_CO 0x0080 218 #define LSC_SS 0x0040 219 #define LSC_RING_REC 0x0020 220 #define LSC_SR_CO 0x0010 221 #define LSC_FDX_MODE 0x0004 222 223 #define XL_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */ 224 225 /* 3c359 defaults for buffers */ 226 227 #define XL_RX_RING_SIZE 16 /* must be a power of 2 */ 228 #define XL_TX_RING_SIZE 16 /* must be a power of 2 */ 229 230 #define PKT_BUF_SZ 4096 /* Default packet size */ 231 232 /* 3c359 data structures */ 233 234 struct xl_tx_desc { 235 __le32 dnnextptr; 236 __le32 framestartheader; 237 __le32 buffer; 238 __le32 buffer_length; 239 }; 240 241 struct xl_rx_desc { 242 __le32 upnextptr; 243 __le32 framestatus; 244 __le32 upfragaddr; 245 __le32 upfraglen; 246 }; 247 248 struct xl_private { 249 250 251 /* These two structures must be aligned on 8 byte boundaries */ 252 253 /* struct xl_rx_desc xl_rx_ring[XL_RX_RING_SIZE]; */ 254 /* struct xl_tx_desc xl_tx_ring[XL_TX_RING_SIZE]; */ 255 struct xl_rx_desc *xl_rx_ring ; 256 struct xl_tx_desc *xl_tx_ring ; 257 struct sk_buff *tx_ring_skb[XL_TX_RING_SIZE], *rx_ring_skb[XL_RX_RING_SIZE]; 258 int tx_ring_head, tx_ring_tail ; 259 int rx_ring_tail, rx_ring_no ; 260 int free_ring_entries ; 261 262 u16 srb; 263 u16 arb; 264 u16 asb; 265 266 u8 __iomem *xl_mmio; 267 const char *xl_card_name; 268 struct pci_dev *pdev ; 269 270 spinlock_t xl_lock ; 271 272 volatile int srb_queued; 273 struct wait_queue *srb_wait; 274 volatile int asb_queued; 275 276 u16 mac_buffer ; 277 u16 xl_lan_status ; 278 u8 xl_ring_speed ; 279 u16 pkt_buf_sz ; 280 u8 xl_message_level; 281 u16 xl_copy_all_options ; 282 unsigned char xl_functional_addr[4] ; 283 u16 xl_addr_table_addr, xl_parms_addr ; 284 u8 xl_laa[6] ; 285 u32 rx_ring_dma_addr ; 286 u32 tx_ring_dma_addr ; 287 }; 288 289