1#ifndef __LINUX_IBMTR_H__ 2#define __LINUX_IBMTR_H__ 3 4/* Definitions for an IBM Token Ring card. */ 5/* This file is distributed under the GNU GPL */ 6 7/* ported to the Alpha architecture 02/20/96 (just used the HZ macro) */ 8 9#define TR_RETRY_INTERVAL (30*HZ) /* 500 on PC = 5 s */ 10#define TR_RST_TIME (msecs_to_jiffies(50)) /* 5 on PC = 50 ms */ 11#define TR_BUSY_INTERVAL (msecs_to_jiffies(200)) /* 5 on PC = 200 ms */ 12#define TR_SPIN_INTERVAL (3*HZ) /* 3 seconds before init timeout */ 13 14#define TR_ISA 1 15#define TR_MCA 2 16#define TR_ISAPNP 3 17#define NOTOK 0 18 19#define IBMTR_SHARED_RAM_SIZE 0x10000 20#define IBMTR_IO_EXTENT 4 21#define IBMTR_MAX_ADAPTERS 4 22 23#define CHANNEL_ID 0X1F30 24#define AIP 0X1F00 25#define AIPADAPTYPE 0X1FA0 26#define AIPDATARATE 0X1FA2 27#define AIPEARLYTOKEN 0X1FA4 28#define AIPAVAILSHRAM 0X1FA6 29#define AIPSHRAMPAGE 0X1FA8 30#define AIP4MBDHB 0X1FAA 31#define AIP16MBDHB 0X1FAC 32#define AIPFID 0X1FBA 33 34#define ADAPTRESET 0x1 /* Control Adapter reset (add to base) */ 35#define ADAPTRESETREL 0x2 /* Release Adapter from reset ( """) */ 36#define ADAPTINTREL 0x3 /* Adapter interrupt release */ 37 38#define GLOBAL_INT_ENABLE 0x02f0 39 40/* MMIO bits 0-4 select register */ 41#define RRR_EVEN 0x00 /* Shared RAM relocation registers - even and odd */ 42/* Used to set the starting address of shared RAM */ 43/* Bits 1 through 7 of this register map to bits 13 through 19 of the shared 44 RAM address.*/ 45/* ie: 0x02 sets RAM address to ...ato! issy su wazzoo !! GODZILLA!!! */ 46#define RRR_ODD 0x01 47/* Bits 2 and 3 of this register can be read to determine shared RAM size */ 48/* 00 for 8k, 01 for 16k, 10 for 32k, 11 for 64k */ 49#define WRBR_EVEN 0x02 /* Write region base registers - even and odd */ 50#define WRBR_ODD 0x03 51#define WWOR_EVEN 0x04 /* Write window open registers - even and odd */ 52#define WWOR_ODD 0x05 53#define WWCR_EVEN 0x06 /* Write window close registers - even and odd */ 54#define WWCR_ODD 0x07 55 56/* Interrupt status registers - PC system - even and odd */ 57#define ISRP_EVEN 0x08 58 59#define TCR_INT 0x10 /* Bit 4 - Timer interrupt. The TVR_EVEN timer has 60 expired. */ 61#define ERR_INT 0x08 /* Bit 3 - Error interrupt. The adapter has had an 62 internal error. */ 63#define ACCESS_INT 0x04 /* Bit 2 - Access interrupt. You have attempted to 64 write to an invalid area of shared RAM 65 or an invalid register within the MMIO. */ 66/* In addition, the following bits within ISRP_EVEN can be turned on or off */ 67/* by you to control the interrupt processing: */ 68#define INT_ENABLE 0x40 /* Bit 6 - Interrupt enable. If 0, no interrupts will 69 occur. If 1, interrupts will occur normally. 70 Normally set to 1. */ 71/* Bit 0 - Primary or alternate adapter. Set to zero if this adapter is the 72 primary adapter, 1 if this adapter is the alternate adapter. */ 73 74 75#define ISRP_ODD 0x09 76 77#define ADAP_CHK_INT 0x40 /* Bit 6 - Adapter check. the adapter has 78 encountered a serious problem and has closed 79 itself. Whoa. */ 80#define SRB_RESP_INT 0x20 /* Bit 5 - SRB response. The adapter has accepted 81 an SRB request and set the return code within 82 the SRB. */ 83#define ASB_FREE_INT 0x10 /* Bit 4 - ASB free. The adapter has read the ASB 84 and this area can be safely reused. This interrupt 85 is only used if your application has set the ASB 86 free request bit in ISRA_ODD or if an error was 87 detected in your response. */ 88#define ARB_CMD_INT 0x08 /* Bit 3 - ARB command. The adapter has given you a 89 command for action. The command is located in the 90 ARB area of shared memory. */ 91#define SSB_RESP_INT 0x04 /* Bit 2 - SSB response. The adapter has posted a 92 response to your SRB (the response is located in 93 the SSB area of shared memory). */ 94/* Bit 1 - Bridge frame forward complete. */ 95 96 97 98#define ISRA_EVEN 0x0A /*Interrupt status registers - adapter - even and odd */ 99/* Bit 7 - Internal parity error (on adapter's internal bus) */ 100/* Bit 6 - Timer interrupt pending */ 101/* Bit 5 - Access interrupt (attempt by adapter to access illegal address) */ 102/* Bit 4 - Adapter microcode problem (microcode dead-man timer expired) */ 103/* Bit 3 - Adapter processor check status */ 104/* Bit 2 - Reserved */ 105/* Bit 1 - Adapter hardware interrupt mask (prevents internal interrupts) */ 106/* Bit 0 - Adapter software interrupt mask (prevents internal software ints) */ 107 108#define ISRA_ODD 0x0B 109#define CMD_IN_SRB 0x20 /* Bit 5 - Indicates that you have placed a new 110 command in the SRB and are ready for the adapter to 111 process the command. */ 112#define RESP_IN_ASB 0x10 /* Bit 4 - Indicates that you have placed a response 113 (an ASB) in the shared RAM which is available for 114 the adapter's use. */ 115/* Bit 3 - Indicates that you are ready to put an SRB in the shared RAM, but 116 that a previous command is still pending. The adapter will then 117 interrupt you when the previous command is completed */ 118/* Bit 2 - Indicates that you are ready to put an ASB in the shared RAM, but 119 that a previous ASB is still pending. The adapter will then interrupt 120 you when the previous ASB is copied. */ 121#define ARB_FREE 0x2 122#define SSB_FREE 0x1 123 124#define TCR_EVEN 0x0C /* Timer control registers - even and odd */ 125#define TCR_ODD 0x0D 126#define TVR_EVEN 0x0E /* Timer value registers - even and odd */ 127#define TVR_ODD 0x0F 128#define SRPR_EVEN 0x18 /* Shared RAM paging registers - even and odd */ 129#define SRPR_ENABLE_PAGING 0xc0 130#define SRPR_ODD 0x19 /* Not used. */ 131#define TOKREAD 0x60 132#define TOKOR 0x40 133#define TOKAND 0x20 134#define TOKWRITE 0x00 135 136/* MMIO bits 5-6 select operation */ 137/* 00 is used to write to a register */ 138/* 01 is used to bitwise AND a byte with a register */ 139/* 10 is used to bitwise OR a byte with a register */ 140/* 11 is used to read from a register */ 141 142/* MMIO bits 7-8 select area of interest.. see below */ 143/* 00 selects attachment control area. */ 144/* 01 is reserved. */ 145/* 10 selects adapter identification area A containing the adapter encoded 146 address. */ 147/* 11 selects the adapter identification area B containing test patterns. */ 148 149#define PCCHANNELID 5049434F3631313039393020 150#define MCCHANNELID 4D4152533633583435313820 151 152#define ACA_OFFSET 0x1e00 153#define ACA_SET 0x40 154#define ACA_RESET 0x20 155#define ACA_RW 0x00 156 157#ifdef ENABLE_PAGING 158#define SET_PAGE(x) (writeb((x), ti->mmio + ACA_OFFSET+ ACA_RW + SRPR_EVEN)) 159#else 160#define SET_PAGE(x) 161#endif 162 163/* do_tok_int possible values */ 164#define FIRST_INT 1 165#define NOT_FIRST 2 166 167typedef enum { CLOSED, OPEN } open_state; 168//staic const char *printstate[] = { "CLOSED","OPEN"}; 169 170struct tok_info { 171 unsigned char irq; 172 void __iomem *mmio; 173 unsigned char hw_address[32]; 174 unsigned char adapter_type; 175 unsigned char data_rate; 176 unsigned char token_release; 177 unsigned char avail_shared_ram; 178 unsigned char shared_ram_paging; 179 unsigned char turbo; 180 unsigned short dhb_size4mb; 181 unsigned short rbuf_len4; 182 unsigned short rbuf_cnt4; 183 unsigned short maxmtu4; 184 unsigned short dhb_size16mb; 185 unsigned short rbuf_len16; 186 unsigned short rbuf_cnt16; 187 unsigned short maxmtu16; 188 /* Additions by David Morris */ 189 unsigned char do_tok_int; 190 wait_queue_head_t wait_for_reset; 191 unsigned char sram_base; 192 /* Additions by Peter De Schrijver */ 193 unsigned char page_mask; /* mask to select RAM page to Map*/ 194 unsigned char mapped_ram_size; /* size of RAM page */ 195 __u32 sram_phys; /* Shared memory base address */ 196 void __iomem *sram_virt; /* Shared memory base address */ 197 void __iomem *init_srb; /* Initial System Request Block address */ 198 void __iomem *srb; /* System Request Block address */ 199 void __iomem *ssb; /* System Status Block address */ 200 void __iomem *arb; /* Adapter Request Block address */ 201 void __iomem *asb; /* Adapter Status Block address */ 202 __u8 init_srb_page; 203 __u8 srb_page; 204 __u8 ssb_page; 205 __u8 arb_page; 206 __u8 asb_page; 207 unsigned short exsap_station_id; 208 unsigned short global_int_enable; 209 struct sk_buff *current_skb; 210 211 unsigned char auto_speedsave; 212 open_state open_status, sap_status; 213 enum {MANUAL, AUTOMATIC} open_mode; 214 enum {FAIL, RESTART, REOPEN} open_action; 215 enum {NO, YES} open_failure; 216 unsigned char readlog_pending; 217 unsigned short adapter_int_enable; /* Adapter-specific int enable */ 218 struct timer_list tr_timer; 219 unsigned char ring_speed; 220 spinlock_t lock; /* SMP protection */ 221}; 222 223/* token ring adapter commands */ 224#define DIR_INTERRUPT 0x00 /* struct srb_interrupt */ 225#define DIR_MOD_OPEN_PARAMS 0x01 226#define DIR_OPEN_ADAPTER 0x03 /* struct dir_open_adapter */ 227#define DIR_CLOSE_ADAPTER 0x04 228#define DIR_SET_GRP_ADDR 0x06 229#define DIR_SET_FUNC_ADDR 0x07 /* struct srb_set_funct_addr */ 230#define DIR_READ_LOG 0x08 /* struct srb_read_log */ 231#define DLC_OPEN_SAP 0x15 /* struct dlc_open_sap */ 232#define DLC_CLOSE_SAP 0x16 233#define DATA_LOST 0x20 /* struct asb_rec */ 234#define REC_DATA 0x81 /* struct arb_rec_req */ 235#define XMIT_DATA_REQ 0x82 /* struct arb_xmit_req */ 236#define DLC_STATUS 0x83 /* struct arb_dlc_status */ 237#define RING_STAT_CHANGE 0x84 /* struct dlc_open_sap ??? */ 238 239/* DIR_OPEN_ADAPTER options */ 240#define OPEN_PASS_BCON_MAC 0x0100 241#define NUM_RCV_BUF 2 242#define RCV_BUF_LEN 1024 243#define DHB_LENGTH 2048 244#define NUM_DHB 2 245#define DLC_MAX_SAP 2 246#define DLC_MAX_STA 1 247 248/* DLC_OPEN_SAP options */ 249#define MAX_I_FIELD 0x0088 250#define SAP_OPEN_IND_SAP 0x04 251#define SAP_OPEN_PRIORITY 0x20 252#define SAP_OPEN_STATION_CNT 0x1 253#define XMIT_DIR_FRAME 0x0A 254#define XMIT_UI_FRAME 0x0d 255#define XMIT_XID_CMD 0x0e 256#define XMIT_TEST_CMD 0x11 257 258/* srb close return code */ 259#define SIGNAL_LOSS 0x8000 260#define HARD_ERROR 0x4000 261#define XMIT_BEACON 0x1000 262#define LOBE_FAULT 0x0800 263#define AUTO_REMOVAL 0x0400 264#define REMOVE_RECV 0x0100 265#define LOG_OVERFLOW 0x0080 266#define RING_RECOVER 0x0020 267 268struct srb_init_response { 269 unsigned char command; 270 unsigned char init_status; 271 unsigned char init_status_2; 272 unsigned char reserved[3]; 273 __u16 bring_up_code; 274 __u16 encoded_address; 275 __u16 level_address; 276 __u16 adapter_address; 277 __u16 parms_address; 278 __u16 mac_address; 279}; 280 281struct dir_open_adapter { 282 unsigned char command; 283 char reserved[7]; 284 __u16 open_options; 285 unsigned char node_address[6]; 286 unsigned char group_address[4]; 287 unsigned char funct_address[4]; 288 __u16 num_rcv_buf; 289 __u16 rcv_buf_len; 290 __u16 dhb_length; 291 unsigned char num_dhb; 292 char reserved2; 293 unsigned char dlc_max_sap; 294 unsigned char dlc_max_sta; 295 unsigned char dlc_max_gsap; 296 unsigned char dlc_max_gmem; 297 unsigned char dlc_t1_tick_1; 298 unsigned char dlc_t2_tick_1; 299 unsigned char dlc_ti_tick_1; 300 unsigned char dlc_t1_tick_2; 301 unsigned char dlc_t2_tick_2; 302 unsigned char dlc_ti_tick_2; 303 unsigned char product_id[18]; 304}; 305 306struct dlc_open_sap { 307 unsigned char command; 308 unsigned char reserved1; 309 unsigned char ret_code; 310 unsigned char reserved2; 311 __u16 station_id; 312 unsigned char timer_t1; 313 unsigned char timer_t2; 314 unsigned char timer_ti; 315 unsigned char maxout; 316 unsigned char maxin; 317 unsigned char maxout_incr; 318 unsigned char max_retry_count; 319 unsigned char gsap_max_mem; 320 __u16 max_i_field; 321 unsigned char sap_value; 322 unsigned char sap_options; 323 unsigned char station_count; 324 unsigned char sap_gsap_mem; 325 unsigned char gsap[0]; 326}; 327 328struct srb_xmit { 329 unsigned char command; 330 unsigned char cmd_corr; 331 unsigned char ret_code; 332 unsigned char reserved1; 333 __u16 station_id; 334}; 335 336struct arb_rec_req { 337 unsigned char command; 338 unsigned char reserved1[3]; 339 __u16 station_id; 340 __u16 rec_buf_addr; 341 unsigned char lan_hdr_len; 342 unsigned char dlc_hdr_len; 343 __u16 frame_len; 344 unsigned char msg_type; 345}; 346 347struct asb_rec { 348 unsigned char command; 349 unsigned char reserved1; 350 unsigned char ret_code; 351 unsigned char reserved2; 352 __u16 station_id; 353 __u16 rec_buf_addr; 354}; 355 356struct rec_buf { 357 unsigned char reserved1[2]; 358 __u16 buf_ptr; 359 unsigned char reserved2; 360 unsigned char receive_fs; 361 __u16 buf_len; 362 unsigned char data[0]; 363}; 364 365struct srb_set_funct_addr { 366 unsigned char command; 367 unsigned char reserved1; 368 unsigned char ret_code; 369 unsigned char reserved2[3]; 370 unsigned char funct_address[4]; 371}; 372 373#endif 374