Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * |
| 4 | Copyright (c) Eicon Networks, 2002. |
| 5 | * |
| 6 | This source file is supplied for the use with |
| 7 | Eicon Networks range of DIVA Server Adapters. |
| 8 | * |
| 9 | Eicon File Revision : 2.1 |
| 10 | * |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2, or (at your option) |
| 14 | any later version. |
| 15 | * |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY |
| 18 | implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 19 | See the GNU General Public License for more details. |
| 20 | * |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software |
| 23 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | * |
| 25 | */ |
| 26 | #include "platform.h" |
| 27 | #include "di_defs.h" |
| 28 | #include "pc.h" |
| 29 | #include "pr_pc.h" |
| 30 | #include "divasync.h" |
| 31 | #define MIPS_SCOM |
| 32 | #include "pkmaint.h" /* pc_main.h, packed in os-dependent fashion */ |
| 33 | #include "di.h" |
| 34 | #include "mi_pc.h" |
| 35 | #include "io.h" |
| 36 | extern ADAPTER * adapter[MAX_ADAPTER]; |
| 37 | extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER]; |
| 38 | void request (PISDN_ADAPTER, ENTITY *); |
| 39 | static void pcm_req (PISDN_ADAPTER, ENTITY *); |
| 40 | /* -------------------------------------------------------------------------- |
| 41 | local functions |
| 42 | -------------------------------------------------------------------------- */ |
| 43 | #define ReqFunc(N) \ |
| 44 | static void Request##N(ENTITY *e) \ |
| 45 | { if ( IoAdapters[N] ) (* IoAdapters[N]->DIRequest)(IoAdapters[N], e) ; } |
| 46 | ReqFunc(0) |
| 47 | ReqFunc(1) |
| 48 | ReqFunc(2) |
| 49 | ReqFunc(3) |
| 50 | ReqFunc(4) |
| 51 | ReqFunc(5) |
| 52 | ReqFunc(6) |
| 53 | ReqFunc(7) |
| 54 | ReqFunc(8) |
| 55 | ReqFunc(9) |
| 56 | ReqFunc(10) |
| 57 | ReqFunc(11) |
| 58 | ReqFunc(12) |
| 59 | ReqFunc(13) |
| 60 | ReqFunc(14) |
| 61 | ReqFunc(15) |
| 62 | IDI_CALL Requests[MAX_ADAPTER] = |
| 63 | { &Request0, &Request1, &Request2, &Request3, |
| 64 | &Request4, &Request5, &Request6, &Request7, |
| 65 | &Request8, &Request9, &Request10, &Request11, |
| 66 | &Request12, &Request13, &Request14, &Request15 |
| 67 | }; |
| 68 | /*****************************************************************************/ |
| 69 | /* |
| 70 | This array should indicate all new services, that this version of XDI |
| 71 | is able to provide to his clients |
| 72 | */ |
| 73 | static byte extended_xdi_features[DIVA_XDI_EXTENDED_FEATURES_MAX_SZ+1] = { |
| 74 | (DIVA_XDI_EXTENDED_FEATURES_VALID | |
| 75 | DIVA_XDI_EXTENDED_FEATURE_SDRAM_BAR | |
| 76 | DIVA_XDI_EXTENDED_FEATURE_CAPI_PRMS | |
| 77 | #if defined(DIVA_IDI_RX_DMA) |
| 78 | DIVA_XDI_EXTENDED_FEATURE_CMA | |
| 79 | DIVA_XDI_EXTENDED_FEATURE_RX_DMA | |
| 80 | DIVA_XDI_EXTENDED_FEATURE_MANAGEMENT_DMA | |
| 81 | #endif |
| 82 | DIVA_XDI_EXTENDED_FEATURE_NO_CANCEL_RC), |
| 83 | 0 |
| 84 | }; |
| 85 | /*****************************************************************************/ |
| 86 | void |
| 87 | dump_xlog_buffer (PISDN_ADAPTER IoAdapter, Xdesc *xlogDesc) |
| 88 | { |
| 89 | dword logLen ; |
| 90 | word *Xlog = xlogDesc->buf ; |
| 91 | word logCnt = xlogDesc->cnt ; |
| 92 | word logOut = xlogDesc->out / sizeof(*Xlog) ; |
| 93 | DBG_FTL(("%s: ************* XLOG recovery (%d) *************", |
| 94 | &IoAdapter->Name[0], (int)logCnt)) |
| 95 | DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0])) |
| 96 | for ( ; logCnt > 0 ; --logCnt ) |
| 97 | { |
| 98 | if ( !GET_WORD(&Xlog[logOut]) ) |
| 99 | { |
| 100 | if ( --logCnt == 0 ) |
| 101 | break ; |
| 102 | logOut = 0 ; |
| 103 | } |
| 104 | if ( GET_WORD(&Xlog[logOut]) <= (logOut * sizeof(*Xlog)) ) |
| 105 | { |
| 106 | if ( logCnt > 2 ) |
| 107 | { |
| 108 | DBG_FTL(("Possibly corrupted XLOG: %d entries left", |
| 109 | (int)logCnt)) |
| 110 | } |
| 111 | break ; |
| 112 | } |
| 113 | logLen = (dword)(GET_WORD(&Xlog[logOut]) - (logOut * sizeof(*Xlog))) ; |
| 114 | DBG_FTL_MXLOG(( (char *)&Xlog[logOut + 1], (dword)(logLen - 2) )) |
| 115 | logOut = (GET_WORD(&Xlog[logOut]) + 1) / sizeof(*Xlog) ; |
| 116 | } |
| 117 | DBG_FTL(("%s: ***************** end of XLOG *****************", |
| 118 | &IoAdapter->Name[0])) |
| 119 | } |
| 120 | /*****************************************************************************/ |
| 121 | #if defined(XDI_USE_XLOG) |
| 122 | static char *(ExceptionCauseTable[]) = |
| 123 | { |
| 124 | "Interrupt", |
| 125 | "TLB mod /IBOUND", |
| 126 | "TLB load /DBOUND", |
| 127 | "TLB store", |
| 128 | "Address error load", |
| 129 | "Address error store", |
| 130 | "Instruction load bus error", |
| 131 | "Data load/store bus error", |
| 132 | "Syscall", |
| 133 | "Breakpoint", |
| 134 | "Reverd instruction", |
| 135 | "Coprocessor unusable", |
| 136 | "Overflow", |
| 137 | "TRAP", |
| 138 | "VCEI", |
| 139 | "Floating Point Exception", |
| 140 | "CP2", |
| 141 | "Reserved 17", |
| 142 | "Reserved 18", |
| 143 | "Reserved 19", |
| 144 | "Reserved 20", |
| 145 | "Reserved 21", |
| 146 | "Reserved 22", |
| 147 | "WATCH", |
| 148 | "Reserved 24", |
| 149 | "Reserved 25", |
| 150 | "Reserved 26", |
| 151 | "Reserved 27", |
| 152 | "Reserved 28", |
| 153 | "Reserved 29", |
| 154 | "Reserved 30", |
| 155 | "VCED" |
| 156 | } ; |
| 157 | #endif |
| 158 | void |
| 159 | dump_trap_frame (PISDN_ADAPTER IoAdapter, byte __iomem *exceptionFrame) |
| 160 | { |
| 161 | MP_XCPTC __iomem *xcept = (MP_XCPTC __iomem *)exceptionFrame ; |
| 162 | dword __iomem *regs; |
| 163 | regs = &xcept->regs[0] ; |
| 164 | DBG_FTL(("%s: ***************** CPU TRAPPED *****************", |
| 165 | &IoAdapter->Name[0])) |
| 166 | DBG_FTL(("Microcode: %s", &IoAdapter->ProtocolIdString[0])) |
| 167 | DBG_FTL(("Cause: %s", |
| 168 | ExceptionCauseTable[(READ_DWORD(&xcept->cr) & 0x0000007c) >> 2])) |
| 169 | DBG_FTL(("sr 0x%08x cr 0x%08x epc 0x%08x vaddr 0x%08x", |
| 170 | READ_DWORD(&xcept->sr), READ_DWORD(&xcept->cr), |
| 171 | READ_DWORD(&xcept->epc), READ_DWORD(&xcept->vaddr))) |
| 172 | DBG_FTL(("zero 0x%08x at 0x%08x v0 0x%08x v1 0x%08x", |
| 173 | READ_DWORD(®s[ 0]), READ_DWORD(®s[ 1]), |
| 174 | READ_DWORD(®s[ 2]), READ_DWORD(®s[ 3]))) |
| 175 | DBG_FTL(("a0 0x%08x a1 0x%08x a2 0x%08x a3 0x%08x", |
| 176 | READ_DWORD(®s[ 4]), READ_DWORD(®s[ 5]), |
| 177 | READ_DWORD(®s[ 6]), READ_DWORD(®s[ 7]))) |
| 178 | DBG_FTL(("t0 0x%08x t1 0x%08x t2 0x%08x t3 0x%08x", |
| 179 | READ_DWORD(®s[ 8]), READ_DWORD(®s[ 9]), |
| 180 | READ_DWORD(®s[10]), READ_DWORD(®s[11]))) |
| 181 | DBG_FTL(("t4 0x%08x t5 0x%08x t6 0x%08x t7 0x%08x", |
| 182 | READ_DWORD(®s[12]), READ_DWORD(®s[13]), |
| 183 | READ_DWORD(®s[14]), READ_DWORD(®s[15]))) |
| 184 | DBG_FTL(("s0 0x%08x s1 0x%08x s2 0x%08x s3 0x%08x", |
| 185 | READ_DWORD(®s[16]), READ_DWORD(®s[17]), |
| 186 | READ_DWORD(®s[18]), READ_DWORD(®s[19]))) |
| 187 | DBG_FTL(("s4 0x%08x s5 0x%08x s6 0x%08x s7 0x%08x", |
| 188 | READ_DWORD(®s[20]), READ_DWORD(®s[21]), |
| 189 | READ_DWORD(®s[22]), READ_DWORD(®s[23]))) |
| 190 | DBG_FTL(("t8 0x%08x t9 0x%08x k0 0x%08x k1 0x%08x", |
| 191 | READ_DWORD(®s[24]), READ_DWORD(®s[25]), |
| 192 | READ_DWORD(®s[26]), READ_DWORD(®s[27]))) |
| 193 | DBG_FTL(("gp 0x%08x sp 0x%08x s8 0x%08x ra 0x%08x", |
| 194 | READ_DWORD(®s[28]), READ_DWORD(®s[29]), |
| 195 | READ_DWORD(®s[30]), READ_DWORD(®s[31]))) |
| 196 | DBG_FTL(("md 0x%08x|%08x resvd 0x%08x class 0x%08x", |
| 197 | READ_DWORD(&xcept->mdhi), READ_DWORD(&xcept->mdlo), |
| 198 | READ_DWORD(&xcept->reseverd), READ_DWORD(&xcept->xclass))) |
| 199 | } |
| 200 | /* -------------------------------------------------------------------------- |
| 201 | Real XDI Request function |
| 202 | -------------------------------------------------------------------------- */ |
| 203 | void request(PISDN_ADAPTER IoAdapter, ENTITY * e) |
| 204 | { |
| 205 | byte i; |
| 206 | diva_os_spin_lock_magic_t irql; |
| 207 | /* |
| 208 | * if the Req field in the entity structure is 0, |
| 209 | * we treat this request as a special function call |
| 210 | */ |
| 211 | if ( !e->Req ) |
| 212 | { |
| 213 | IDI_SYNC_REQ *syncReq = (IDI_SYNC_REQ *)e ; |
| 214 | switch (e->Rc) |
| 215 | { |
| 216 | #if defined(DIVA_IDI_RX_DMA) |
| 217 | case IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION: { |
| 218 | diva_xdi_dma_descriptor_operation_t* pI = \ |
| 219 | &syncReq->xdi_dma_descriptor_operation.info; |
| 220 | if (!IoAdapter->dma_map) { |
| 221 | pI->operation = -1; |
| 222 | pI->descriptor_number = -1; |
| 223 | return; |
| 224 | } |
| 225 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "dma_op"); |
| 226 | if (pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_ALLOC) { |
| 227 | pI->descriptor_number = diva_alloc_dma_map_entry (\ |
| 228 | (struct _diva_dma_map_entry*)IoAdapter->dma_map); |
| 229 | if (pI->descriptor_number >= 0) { |
| 230 | dword dma_magic; |
| 231 | void* local_addr; |
| 232 | diva_get_dma_map_entry (\ |
| 233 | (struct _diva_dma_map_entry*)IoAdapter->dma_map, |
| 234 | pI->descriptor_number, |
| 235 | &local_addr, &dma_magic); |
| 236 | pI->descriptor_address = local_addr; |
| 237 | pI->descriptor_magic = dma_magic; |
| 238 | pI->operation = 0; |
| 239 | } else { |
| 240 | pI->operation = -1; |
| 241 | } |
| 242 | } else if ((pI->operation == IDI_SYNC_REQ_DMA_DESCRIPTOR_FREE) && |
| 243 | (pI->descriptor_number >= 0)) { |
| 244 | diva_free_dma_map_entry((struct _diva_dma_map_entry*)IoAdapter->dma_map, |
| 245 | pI->descriptor_number); |
| 246 | pI->descriptor_number = -1; |
| 247 | pI->operation = 0; |
| 248 | } else { |
| 249 | pI->descriptor_number = -1; |
| 250 | pI->operation = -1; |
| 251 | } |
| 252 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "dma_op"); |
| 253 | } return; |
| 254 | #endif |
| 255 | case IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER: { |
| 256 | diva_xdi_get_logical_adapter_number_s_t *pI = \ |
| 257 | &syncReq->xdi_logical_adapter_number.info; |
| 258 | pI->logical_adapter_number = IoAdapter->ANum; |
| 259 | pI->controller = IoAdapter->ControllerNumber; |
| 260 | pI->total_controllers = IoAdapter->Properties.Adapters; |
| 261 | } return; |
| 262 | case IDI_SYNC_REQ_XDI_GET_CAPI_PARAMS: { |
| 263 | diva_xdi_get_capi_parameters_t prms, *pI = &syncReq->xdi_capi_prms.info; |
| 264 | memset (&prms, 0x00, sizeof(prms)); |
Amol Lad | e2de257 | 2006-12-08 02:39:32 -0800 | [diff] [blame] | 265 | prms.structure_length = min_t(size_t, sizeof(prms), pI->structure_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | memset (pI, 0x00, pI->structure_length); |
| 267 | prms.flag_dynamic_l1_down = (IoAdapter->capi_cfg.cfg_1 & \ |
| 268 | DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? 1 : 0; |
| 269 | prms.group_optimization_enabled = (IoAdapter->capi_cfg.cfg_1 & \ |
| 270 | DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON) ? 1 : 0; |
| 271 | memcpy (pI, &prms, prms.structure_length); |
| 272 | } return; |
| 273 | case IDI_SYNC_REQ_XDI_GET_ADAPTER_SDRAM_BAR: |
| 274 | syncReq->xdi_sdram_bar.info.bar = IoAdapter->sdram_bar; |
| 275 | return; |
| 276 | case IDI_SYNC_REQ_XDI_GET_EXTENDED_FEATURES: { |
| 277 | dword i; |
| 278 | diva_xdi_get_extended_xdi_features_t* pI =\ |
| 279 | &syncReq->xdi_extended_features.info; |
| 280 | pI->buffer_length_in_bytes &= ~0x80000000; |
| 281 | if (pI->buffer_length_in_bytes && pI->features) { |
| 282 | memset (pI->features, 0x00, pI->buffer_length_in_bytes); |
| 283 | } |
| 284 | for (i = 0; ((pI->features) && (i < pI->buffer_length_in_bytes) && |
| 285 | (i < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ)); i++) { |
| 286 | pI->features[i] = extended_xdi_features[i]; |
| 287 | } |
| 288 | if ((pI->buffer_length_in_bytes < DIVA_XDI_EXTENDED_FEATURES_MAX_SZ) || |
| 289 | (!pI->features)) { |
| 290 | pI->buffer_length_in_bytes =\ |
| 291 | (0x80000000 | DIVA_XDI_EXTENDED_FEATURES_MAX_SZ); |
| 292 | } |
| 293 | } return; |
| 294 | case IDI_SYNC_REQ_XDI_GET_STREAM: |
| 295 | if (IoAdapter) { |
| 296 | diva_xdi_provide_istream_info (&IoAdapter->a, |
| 297 | &syncReq->xdi_stream_info.info); |
| 298 | } else { |
| 299 | syncReq->xdi_stream_info.info.provided_service = 0; |
| 300 | } |
| 301 | return; |
| 302 | case IDI_SYNC_REQ_GET_NAME: |
| 303 | if ( IoAdapter ) |
| 304 | { |
| 305 | strcpy (&syncReq->GetName.name[0], IoAdapter->Name) ; |
| 306 | DBG_TRC(("xdi: Adapter %d / Name '%s'", |
| 307 | IoAdapter->ANum, IoAdapter->Name)) |
| 308 | return ; |
| 309 | } |
| 310 | syncReq->GetName.name[0] = '\0' ; |
| 311 | break ; |
| 312 | case IDI_SYNC_REQ_GET_SERIAL: |
| 313 | if ( IoAdapter ) |
| 314 | { |
| 315 | syncReq->GetSerial.serial = IoAdapter->serialNo ; |
| 316 | DBG_TRC(("xdi: Adapter %d / SerialNo %ld", |
| 317 | IoAdapter->ANum, IoAdapter->serialNo)) |
| 318 | return ; |
| 319 | } |
| 320 | syncReq->GetSerial.serial = 0 ; |
| 321 | break ; |
| 322 | case IDI_SYNC_REQ_GET_CARDTYPE: |
| 323 | if ( IoAdapter ) |
| 324 | { |
| 325 | syncReq->GetCardType.cardtype = IoAdapter->cardType ; |
| 326 | DBG_TRC(("xdi: Adapter %d / CardType %ld", |
| 327 | IoAdapter->ANum, IoAdapter->cardType)) |
| 328 | return ; |
| 329 | } |
| 330 | syncReq->GetCardType.cardtype = 0 ; |
| 331 | break ; |
| 332 | case IDI_SYNC_REQ_GET_XLOG: |
| 333 | if ( IoAdapter ) |
| 334 | { |
| 335 | pcm_req (IoAdapter, e) ; |
| 336 | return ; |
| 337 | } |
| 338 | e->Ind = 0 ; |
| 339 | break ; |
| 340 | case IDI_SYNC_REQ_GET_DBG_XLOG: |
| 341 | if ( IoAdapter ) |
| 342 | { |
| 343 | pcm_req (IoAdapter, e) ; |
| 344 | return ; |
| 345 | } |
| 346 | e->Ind = 0 ; |
| 347 | break ; |
| 348 | case IDI_SYNC_REQ_GET_FEATURES: |
| 349 | if ( IoAdapter ) |
| 350 | { |
| 351 | syncReq->GetFeatures.features = |
| 352 | (unsigned short)IoAdapter->features ; |
| 353 | return ; |
| 354 | } |
| 355 | syncReq->GetFeatures.features = 0 ; |
| 356 | break ; |
| 357 | case IDI_SYNC_REQ_PORTDRV_HOOK: |
| 358 | if ( IoAdapter ) |
| 359 | { |
| 360 | DBG_TRC(("Xdi:IDI_SYNC_REQ_PORTDRV_HOOK - ignored")) |
| 361 | return ; |
| 362 | } |
| 363 | break; |
| 364 | } |
| 365 | if ( IoAdapter ) |
| 366 | { |
| 367 | return ; |
| 368 | } |
| 369 | } |
| 370 | DBG_TRC(("xdi: Id 0x%x / Req 0x%x / Rc 0x%x", e->Id, e->Req, e->Rc)) |
| 371 | if ( !IoAdapter ) |
| 372 | { |
| 373 | DBG_FTL(("xdi: uninitialized Adapter used - ignore request")) |
| 374 | return ; |
| 375 | } |
| 376 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req"); |
| 377 | /* |
| 378 | * assign an entity |
| 379 | */ |
| 380 | if ( !(e->Id &0x1f) ) |
| 381 | { |
| 382 | if ( IoAdapter->e_count >= IoAdapter->e_max ) |
| 383 | { |
| 384 | DBG_FTL(("xdi: all Ids in use (max=%d) --> Req ignored", |
| 385 | IoAdapter->e_max)) |
| 386 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req"); |
| 387 | return ; |
| 388 | } |
| 389 | /* |
| 390 | * find a new free id |
| 391 | */ |
| 392 | for ( i = 1 ; IoAdapter->e_tbl[i].e ; ++i ) ; |
| 393 | IoAdapter->e_tbl[i].e = e ; |
| 394 | IoAdapter->e_count++ ; |
| 395 | e->No = (byte)i ; |
| 396 | e->More = 0 ; |
| 397 | e->RCurrent = 0xff ; |
| 398 | } |
| 399 | else |
| 400 | { |
| 401 | i = e->No ; |
| 402 | } |
| 403 | /* |
| 404 | * if the entity is still busy, ignore the request call |
| 405 | */ |
| 406 | if ( e->More & XBUSY ) |
| 407 | { |
| 408 | DBG_FTL(("xdi: Id 0x%x busy --> Req 0x%x ignored", e->Id, e->Req)) |
| 409 | if ( !IoAdapter->trapped && IoAdapter->trapFnc ) |
| 410 | { |
| 411 | IoAdapter->trapFnc (IoAdapter) ; |
| 412 | /* |
| 413 | Firs trap, also notify user if supported |
| 414 | */ |
| 415 | if (IoAdapter->trapped && IoAdapter->os_trap_nfy_Fnc) { |
| 416 | (*(IoAdapter->os_trap_nfy_Fnc))(IoAdapter, IoAdapter->ANum); |
| 417 | } |
| 418 | } |
| 419 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req"); |
| 420 | return ; |
| 421 | } |
| 422 | /* |
| 423 | * initialize transmit status variables |
| 424 | */ |
| 425 | e->More |= XBUSY ; |
| 426 | e->More &= ~XMOREF ; |
| 427 | e->XCurrent = 0 ; |
| 428 | e->XOffset = 0 ; |
| 429 | /* |
| 430 | * queue this entity in the adapter request queue |
| 431 | */ |
| 432 | IoAdapter->e_tbl[i].next = 0 ; |
| 433 | if ( IoAdapter->head ) |
| 434 | { |
| 435 | IoAdapter->e_tbl[IoAdapter->tail].next = i ; |
| 436 | IoAdapter->tail = i ; |
| 437 | } |
| 438 | else |
| 439 | { |
| 440 | IoAdapter->head = i ; |
| 441 | IoAdapter->tail = i ; |
| 442 | } |
| 443 | /* |
| 444 | * queue the DPC to process the request |
| 445 | */ |
| 446 | diva_os_schedule_soft_isr (&IoAdapter->req_soft_isr); |
| 447 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req"); |
| 448 | } |
| 449 | /* --------------------------------------------------------------------- |
| 450 | Main DPC routine |
| 451 | --------------------------------------------------------------------- */ |
| 452 | void DIDpcRoutine (struct _diva_os_soft_isr* psoft_isr, void* Context) { |
| 453 | PISDN_ADAPTER IoAdapter = (PISDN_ADAPTER)Context ; |
| 454 | ADAPTER* a = &IoAdapter->a ; |
| 455 | diva_os_atomic_t* pin_dpc = &IoAdapter->in_dpc; |
| 456 | if (diva_os_atomic_increment (pin_dpc) == 1) { |
| 457 | do { |
| 458 | if ( IoAdapter->tst_irq (a) ) |
| 459 | { |
| 460 | if ( !IoAdapter->Unavailable ) |
| 461 | IoAdapter->dpc (a) ; |
| 462 | IoAdapter->clr_irq (a) ; |
| 463 | } |
| 464 | IoAdapter->out (a) ; |
| 465 | } while (diva_os_atomic_decrement (pin_dpc) > 0); |
| 466 | /* ---------------------------------------------------------------- |
| 467 | Look for XLOG request (cards with indirect addressing) |
| 468 | ---------------------------------------------------------------- */ |
| 469 | if (IoAdapter->pcm_pending) { |
| 470 | struct pc_maint *pcm; |
| 471 | diva_os_spin_lock_magic_t OldIrql ; |
| 472 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 473 | &OldIrql, |
| 474 | "data_dpc"); |
| 475 | pcm = (struct pc_maint *)IoAdapter->pcm_data; |
| 476 | switch (IoAdapter->pcm_pending) { |
| 477 | case 1: /* ask card for XLOG */ |
| 478 | a->ram_out (a, &IoAdapter->pcm->rc, 0) ; |
| 479 | a->ram_out (a, &IoAdapter->pcm->req, pcm->req) ; |
| 480 | IoAdapter->pcm_pending = 2; |
| 481 | break; |
| 482 | case 2: /* Try to get XLOG from the card */ |
| 483 | if ((int)(a->ram_in (a, &IoAdapter->pcm->rc))) { |
| 484 | a->ram_in_buffer (a, IoAdapter->pcm, pcm, sizeof(*pcm)) ; |
| 485 | IoAdapter->pcm_pending = 3; |
| 486 | } |
| 487 | break; |
| 488 | case 3: /* let XDI recovery XLOG */ |
| 489 | break; |
| 490 | } |
| 491 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 492 | &OldIrql, |
| 493 | "data_dpc"); |
| 494 | } |
| 495 | /* ---------------------------------------------------------------- */ |
| 496 | } |
| 497 | } |
| 498 | /* -------------------------------------------------------------------------- |
| 499 | XLOG interface |
| 500 | -------------------------------------------------------------------------- */ |
| 501 | static void |
| 502 | pcm_req (PISDN_ADAPTER IoAdapter, ENTITY *e) |
| 503 | { |
| 504 | diva_os_spin_lock_magic_t OldIrql ; |
| 505 | int i, rc ; |
| 506 | ADAPTER *a = &IoAdapter->a ; |
| 507 | struct pc_maint *pcm = (struct pc_maint *)&e->Ind ; |
| 508 | /* |
| 509 | * special handling of I/O based card interface |
| 510 | * the memory access isn't an atomic operation ! |
| 511 | */ |
| 512 | if ( IoAdapter->Properties.Card == CARD_MAE ) |
| 513 | { |
| 514 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 515 | &OldIrql, |
| 516 | "data_pcm_1"); |
| 517 | IoAdapter->pcm_data = (void *)pcm; |
| 518 | IoAdapter->pcm_pending = 1; |
| 519 | diva_os_schedule_soft_isr (&IoAdapter->req_soft_isr); |
| 520 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 521 | &OldIrql, |
| 522 | "data_pcm_1"); |
| 523 | for ( rc = 0, i = (IoAdapter->trapped ? 3000 : 250) ; !rc && (i > 0) ; --i ) |
| 524 | { |
| 525 | diva_os_sleep (1) ; |
| 526 | if (IoAdapter->pcm_pending == 3) { |
| 527 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 528 | &OldIrql, |
| 529 | "data_pcm_3"); |
| 530 | IoAdapter->pcm_pending = 0; |
| 531 | IoAdapter->pcm_data = NULL ; |
| 532 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 533 | &OldIrql, |
| 534 | "data_pcm_3"); |
| 535 | return ; |
| 536 | } |
| 537 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 538 | &OldIrql, |
| 539 | "data_pcm_2"); |
| 540 | diva_os_schedule_soft_isr (&IoAdapter->req_soft_isr); |
| 541 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 542 | &OldIrql, |
| 543 | "data_pcm_2"); |
| 544 | } |
| 545 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 546 | &OldIrql, |
| 547 | "data_pcm_4"); |
| 548 | IoAdapter->pcm_pending = 0; |
| 549 | IoAdapter->pcm_data = NULL ; |
| 550 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 551 | &OldIrql, |
| 552 | "data_pcm_4"); |
| 553 | goto Trapped ; |
| 554 | } |
| 555 | /* |
| 556 | * memory based shared ram is accessible from different |
| 557 | * processors without disturbing concurrent processes. |
| 558 | */ |
| 559 | a->ram_out (a, &IoAdapter->pcm->rc, 0) ; |
| 560 | a->ram_out (a, &IoAdapter->pcm->req, pcm->req) ; |
| 561 | for ( i = (IoAdapter->trapped ? 3000 : 250) ; --i > 0 ; ) |
| 562 | { |
| 563 | diva_os_sleep (1) ; |
| 564 | rc = (int)(a->ram_in (a, &IoAdapter->pcm->rc)) ; |
| 565 | if ( rc ) |
| 566 | { |
| 567 | a->ram_in_buffer (a, IoAdapter->pcm, pcm, sizeof(*pcm)) ; |
| 568 | return ; |
| 569 | } |
| 570 | } |
| 571 | Trapped: |
| 572 | if ( IoAdapter->trapFnc ) |
| 573 | { |
| 574 | int trapped = IoAdapter->trapped; |
| 575 | IoAdapter->trapFnc (IoAdapter) ; |
| 576 | /* |
| 577 | Firs trap, also notify user if supported |
| 578 | */ |
| 579 | if (!trapped && IoAdapter->trapped && IoAdapter->os_trap_nfy_Fnc) { |
| 580 | (*(IoAdapter->os_trap_nfy_Fnc))(IoAdapter, IoAdapter->ANum); |
| 581 | } |
| 582 | } |
| 583 | } |
| 584 | /*------------------------------------------------------------------*/ |
| 585 | /* ram access functions for memory mapped cards */ |
| 586 | /*------------------------------------------------------------------*/ |
| 587 | byte mem_in (ADAPTER *a, void *addr) |
| 588 | { |
| 589 | byte val; |
| 590 | volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 591 | val = READ_BYTE(Base + (unsigned long)addr); |
| 592 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 593 | return (val); |
| 594 | } |
| 595 | word mem_inw (ADAPTER *a, void *addr) |
| 596 | { |
| 597 | word val; |
| 598 | volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 599 | val = READ_WORD((Base + (unsigned long)addr)); |
| 600 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 601 | return (val); |
| 602 | } |
| 603 | void mem_in_dw (ADAPTER *a, void *addr, dword* data, int dwords) |
| 604 | { |
| 605 | volatile byte __iomem * Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 606 | while (dwords--) { |
| 607 | *data++ = READ_DWORD((Base + (unsigned long)addr)); |
| 608 | addr+=4; |
| 609 | } |
| 610 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 611 | } |
| 612 | void mem_in_buffer (ADAPTER *a, void *addr, void *buffer, word length) |
| 613 | { |
| 614 | volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 615 | memcpy_fromio(buffer, (Base + (unsigned long)addr), length); |
| 616 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 617 | } |
| 618 | void mem_look_ahead (ADAPTER *a, PBUFFER *RBuffer, ENTITY *e) |
| 619 | { |
| 620 | PISDN_ADAPTER IoAdapter = (PISDN_ADAPTER)a->io ; |
| 621 | IoAdapter->RBuffer.length = mem_inw (a, &RBuffer->length) ; |
| 622 | mem_in_buffer (a, RBuffer->P, IoAdapter->RBuffer.P, |
| 623 | IoAdapter->RBuffer.length) ; |
| 624 | e->RBuffer = (DBUFFER *)&IoAdapter->RBuffer ; |
| 625 | } |
| 626 | void mem_out (ADAPTER *a, void *addr, byte data) |
| 627 | { |
| 628 | volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 629 | WRITE_BYTE(Base + (unsigned long)addr, data); |
| 630 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 631 | } |
| 632 | void mem_outw (ADAPTER *a, void *addr, word data) |
| 633 | { |
| 634 | volatile byte __iomem * Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 635 | WRITE_WORD((Base + (unsigned long)addr), data); |
| 636 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 637 | } |
| 638 | void mem_out_dw (ADAPTER *a, void *addr, const dword* data, int dwords) |
| 639 | { |
| 640 | volatile byte __iomem * Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 641 | while (dwords--) { |
| 642 | WRITE_DWORD((Base + (unsigned long)addr), *data); |
| 643 | addr+=4; |
| 644 | data++; |
| 645 | } |
| 646 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 647 | } |
| 648 | void mem_out_buffer (ADAPTER *a, void *addr, void *buffer, word length) |
| 649 | { |
| 650 | volatile byte __iomem * Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 651 | memcpy_toio((Base + (unsigned long)addr), buffer, length) ; |
| 652 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 653 | } |
| 654 | void mem_inc (ADAPTER *a, void *addr) |
| 655 | { |
| 656 | volatile byte __iomem *Base = DIVA_OS_MEM_ATTACH_RAM((PISDN_ADAPTER)a->io); |
| 657 | byte x = READ_BYTE(Base + (unsigned long)addr); |
| 658 | WRITE_BYTE(Base + (unsigned long)addr, x + 1); |
| 659 | DIVA_OS_MEM_DETACH_RAM((PISDN_ADAPTER)a->io, Base); |
| 660 | } |
| 661 | /*------------------------------------------------------------------*/ |
| 662 | /* ram access functions for io-mapped cards */ |
| 663 | /*------------------------------------------------------------------*/ |
| 664 | byte io_in(ADAPTER * a, void * adr) |
| 665 | { |
| 666 | byte val; |
| 667 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 668 | outppw(Port + 4, (word)(unsigned long)adr); |
| 669 | val = inpp(Port); |
| 670 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 671 | return(val); |
| 672 | } |
| 673 | word io_inw(ADAPTER * a, void * adr) |
| 674 | { |
| 675 | word val; |
| 676 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 677 | outppw(Port + 4, (word)(unsigned long)adr); |
| 678 | val = inppw(Port); |
| 679 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 680 | return(val); |
| 681 | } |
| 682 | void io_in_buffer(ADAPTER * a, void * adr, void * buffer, word len) |
| 683 | { |
| 684 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 685 | byte* P = (byte*)buffer; |
| 686 | if ((long)adr & 1) { |
| 687 | outppw(Port+4, (word)(unsigned long)adr); |
| 688 | *P = inpp(Port); |
| 689 | P++; |
| 690 | adr = ((byte *) adr) + 1; |
| 691 | len--; |
| 692 | if (!len) { |
| 693 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 694 | return; |
| 695 | } |
| 696 | } |
| 697 | outppw(Port+4, (word)(unsigned long)adr); |
| 698 | inppw_buffer (Port, P, len+1); |
| 699 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 700 | } |
| 701 | void io_look_ahead(ADAPTER * a, PBUFFER * RBuffer, ENTITY * e) |
| 702 | { |
| 703 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 704 | outppw(Port+4, (word)(unsigned long)RBuffer); |
| 705 | ((PISDN_ADAPTER)a->io)->RBuffer.length = inppw(Port); |
| 706 | inppw_buffer (Port, ((PISDN_ADAPTER)a->io)->RBuffer.P, ((PISDN_ADAPTER)a->io)->RBuffer.length + 1); |
| 707 | e->RBuffer = (DBUFFER *) &(((PISDN_ADAPTER)a->io)->RBuffer); |
| 708 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 709 | } |
| 710 | void io_out(ADAPTER * a, void * adr, byte data) |
| 711 | { |
| 712 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 713 | outppw(Port+4, (word)(unsigned long)adr); |
| 714 | outpp(Port, data); |
| 715 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 716 | } |
| 717 | void io_outw(ADAPTER * a, void * adr, word data) |
| 718 | { |
| 719 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 720 | outppw(Port+4, (word)(unsigned long)adr); |
| 721 | outppw(Port, data); |
| 722 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 723 | } |
| 724 | void io_out_buffer(ADAPTER * a, void * adr, void * buffer, word len) |
| 725 | { |
| 726 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 727 | byte* P = (byte*)buffer; |
| 728 | if ((long)adr & 1) { |
| 729 | outppw(Port+4, (word)(unsigned long)adr); |
| 730 | outpp(Port, *P); |
| 731 | P++; |
| 732 | adr = ((byte *) adr) + 1; |
| 733 | len--; |
| 734 | if (!len) { |
| 735 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 736 | return; |
| 737 | } |
| 738 | } |
| 739 | outppw(Port+4, (word)(unsigned long)adr); |
| 740 | outppw_buffer (Port, P, len+1); |
| 741 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 742 | } |
| 743 | void io_inc(ADAPTER * a, void * adr) |
| 744 | { |
| 745 | byte x; |
| 746 | byte __iomem *Port = DIVA_OS_MEM_ATTACH_PORT((PISDN_ADAPTER)a->io); |
| 747 | outppw(Port+4, (word)(unsigned long)adr); |
| 748 | x = inpp(Port); |
| 749 | outppw(Port+4, (word)(unsigned long)adr); |
| 750 | outpp(Port, x+1); |
| 751 | DIVA_OS_MEM_DETACH_PORT((PISDN_ADAPTER)a->io, Port); |
| 752 | } |
| 753 | /*------------------------------------------------------------------*/ |
| 754 | /* OS specific functions related to queuing of entities */ |
| 755 | /*------------------------------------------------------------------*/ |
| 756 | void free_entity(ADAPTER * a, byte e_no) |
| 757 | { |
| 758 | PISDN_ADAPTER IoAdapter; |
| 759 | diva_os_spin_lock_magic_t irql; |
| 760 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 761 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_free"); |
| 762 | IoAdapter->e_tbl[e_no].e = NULL; |
| 763 | IoAdapter->e_count--; |
| 764 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_free"); |
| 765 | } |
| 766 | void assign_queue(ADAPTER * a, byte e_no, word ref) |
| 767 | { |
| 768 | PISDN_ADAPTER IoAdapter; |
| 769 | diva_os_spin_lock_magic_t irql; |
| 770 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 771 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_assign"); |
| 772 | IoAdapter->e_tbl[e_no].assign_ref = ref; |
| 773 | IoAdapter->e_tbl[e_no].next = (byte)IoAdapter->assign; |
| 774 | IoAdapter->assign = e_no; |
| 775 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_assign"); |
| 776 | } |
| 777 | byte get_assign(ADAPTER * a, word ref) |
| 778 | { |
| 779 | PISDN_ADAPTER IoAdapter; |
| 780 | diva_os_spin_lock_magic_t irql; |
| 781 | byte e_no; |
| 782 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 783 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, |
| 784 | &irql, |
| 785 | "data_assign_get"); |
| 786 | for(e_no = (byte)IoAdapter->assign; |
| 787 | e_no && IoAdapter->e_tbl[e_no].assign_ref!=ref; |
| 788 | e_no = IoAdapter->e_tbl[e_no].next); |
| 789 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, |
| 790 | &irql, |
| 791 | "data_assign_get"); |
| 792 | return e_no; |
| 793 | } |
| 794 | void req_queue(ADAPTER * a, byte e_no) |
| 795 | { |
| 796 | PISDN_ADAPTER IoAdapter; |
| 797 | diva_os_spin_lock_magic_t irql; |
| 798 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 799 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req_q"); |
| 800 | IoAdapter->e_tbl[e_no].next = 0; |
| 801 | if(IoAdapter->head) { |
| 802 | IoAdapter->e_tbl[IoAdapter->tail].next = e_no; |
| 803 | IoAdapter->tail = e_no; |
| 804 | } |
| 805 | else { |
| 806 | IoAdapter->head = e_no; |
| 807 | IoAdapter->tail = e_no; |
| 808 | } |
| 809 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req_q"); |
| 810 | } |
| 811 | byte look_req(ADAPTER * a) |
| 812 | { |
| 813 | PISDN_ADAPTER IoAdapter; |
| 814 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 815 | return ((byte)IoAdapter->head) ; |
| 816 | } |
| 817 | void next_req(ADAPTER * a) |
| 818 | { |
| 819 | PISDN_ADAPTER IoAdapter; |
| 820 | diva_os_spin_lock_magic_t irql; |
| 821 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 822 | diva_os_enter_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req_next"); |
| 823 | IoAdapter->head = IoAdapter->e_tbl[IoAdapter->head].next; |
| 824 | if(!IoAdapter->head) IoAdapter->tail = 0; |
| 825 | diva_os_leave_spin_lock (&IoAdapter->data_spin_lock, &irql, "data_req_next"); |
| 826 | } |
| 827 | /*------------------------------------------------------------------*/ |
| 828 | /* memory map functions */ |
| 829 | /*------------------------------------------------------------------*/ |
| 830 | ENTITY * entity_ptr(ADAPTER * a, byte e_no) |
| 831 | { |
| 832 | PISDN_ADAPTER IoAdapter; |
| 833 | IoAdapter = (PISDN_ADAPTER) a->io; |
| 834 | return (IoAdapter->e_tbl[e_no].e); |
| 835 | } |
| 836 | void * PTR_X(ADAPTER * a, ENTITY * e) |
| 837 | { |
| 838 | return ((void *) e->X); |
| 839 | } |
| 840 | void * PTR_R(ADAPTER * a, ENTITY * e) |
| 841 | { |
| 842 | return ((void *) e->R); |
| 843 | } |
| 844 | void * PTR_P(ADAPTER * a, ENTITY * e, void * P) |
| 845 | { |
| 846 | return P; |
| 847 | } |
| 848 | void CALLBACK(ADAPTER * a, ENTITY * e) |
| 849 | { |
| 850 | if ( e && e->callback ) |
| 851 | e->callback (e) ; |
| 852 | } |