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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 | /* $Id: avm_a1.c,v 2.11 1999/07/12 21:04:54 keil Exp $ * avm_a1.c low level stuff for AVM A1 (Fritz) isdn cards * * Author Karsten Keil (keil@isdn4linux.de) * * * $Log: avm_a1.c,v $ * Revision 2.11 1999/07/12 21:04:54 keil * fix race in IRQ handling * added watchdog for lost IRQs * * Revision 2.10 1998/11/15 23:54:21 keil * changes from 2.0 * * Revision 2.9 1998/08/13 23:36:12 keil * HiSax 3.1 - don't work stable with current LinkLevel * * Revision 2.8 1998/04/15 16:44:27 keil * new init code * * Revision 2.7 1998/02/02 13:29:37 keil * fast io * * Revision 2.6 1998/01/13 23:09:46 keil * really disable timer * * Revision 2.5 1998/01/02 06:50:29 calle * Perodic timer of A1 now disabled, no need for linux driver. * * Revision 2.4 1997/11/08 21:35:42 keil * new l1 init * * Revision 2.3 1997/11/06 17:13:32 keil * New 2.1 init code * * Revision 2.2 1997/10/29 18:55:48 keil * changes for 2.1.60 (irq2dev_map) * * Revision 2.1 1997/07/27 21:47:13 keil * new interface structures * * Revision 2.0 1997/06/26 11:02:48 keil * New Layer and card interface * * Revision 1.6 1997/04/13 19:54:07 keil * Change in IRQ check delay for SMP * * Revision 1.5 1997/04/06 22:54:10 keil * Using SKB's * * Revision 1.4 1997/01/27 15:50:21 keil * SMP proof,cosmetics * * Revision 1.3 1997/01/21 22:14:20 keil * cleanups * * Revision 1.2 1996/10/27 22:07:31 keil * cosmetic changes * * Revision 1.1 1996/10/13 20:04:49 keil * Initial revision * * */ #define __NO_VERSION__ #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" extern const char *CardType[]; static const char *avm_revision = "$Revision: 2.11 $"; #define AVM_A1_STAT_ISAC 0x01 #define AVM_A1_STAT_HSCX 0x02 #define AVM_A1_STAT_TIMER 0x04 #define byteout(addr,val) outb(val,addr) #define bytein(addr) inb(addr) static inline u_char readreg(unsigned int adr, u_char off) { return (bytein(adr + off)); } static inline void writereg(unsigned int adr, u_char off, u_char data) { byteout(adr + off, data); } static inline void read_fifo(unsigned int adr, u_char * data, int size) { insb(adr, data, size); } static void write_fifo(unsigned int adr, u_char * data, int size) { outsb(adr, data, size); } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.avm.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.avm.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { read_fifo(cs->hw.avm.isacfifo, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { write_fifo(cs->hw.avm.isacfifo, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.avm.hscx[hscx], offset)); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.avm.hscx[hscx], offset, value); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) readreg(cs->hw.avm.hscx[nr], reg) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.avm.hscx[nr], reg, data) #define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt) #include "hscx_irq.c" static void avm_a1_interrupt(int intno, void *dev_id, struct pt_regs *regs) { struct IsdnCardState *cs = dev_id; u_char val, sval; if (!cs) { printk(KERN_WARNING "AVM A1: Spurious interrupt!\n"); return; } while (((sval = bytein(cs->hw.avm.cfg_reg)) & 0xf) != 0x7) { if (!(sval & AVM_A1_STAT_TIMER)) { byteout(cs->hw.avm.cfg_reg, 0x1E); sval = bytein(cs->hw.avm.cfg_reg); } else if (cs->debug & L1_DEB_INTSTAT) debugl1(cs, "avm IntStatus %x", sval); if (!(sval & AVM_A1_STAT_HSCX)) { val = readreg(cs->hw.avm.hscx[1], HSCX_ISTA); if (val) hscx_int_main(cs, val); } if (!(sval & AVM_A1_STAT_ISAC)) { val = readreg(cs->hw.avm.isac, ISAC_ISTA); if (val) isac_interrupt(cs, val); } } writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0xFF); writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0xFF); writereg(cs->hw.avm.isac, ISAC_MASK, 0xFF); writereg(cs->hw.avm.isac, ISAC_MASK, 0x0); writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0x0); writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0x0); } inline static void release_ioregs(struct IsdnCardState *cs, int mask) { release_region(cs->hw.avm.cfg_reg, 8); if (mask & 1) release_region(cs->hw.avm.isac + 32, 32); if (mask & 2) release_region(cs->hw.avm.isacfifo, 1); if (mask & 4) release_region(cs->hw.avm.hscx[0] + 32, 32); if (mask & 8) release_region(cs->hw.avm.hscxfifo[0], 1); if (mask & 0x10) release_region(cs->hw.avm.hscx[1] + 32, 32); if (mask & 0x20) release_region(cs->hw.avm.hscxfifo[1], 1); } static int AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg) { switch (mt) { case CARD_RESET: return(0); case CARD_RELEASE: release_ioregs(cs, 0x3f); return(0); case CARD_INIT: inithscxisac(cs, 1); byteout(cs->hw.avm.cfg_reg, 0x16); byteout(cs->hw.avm.cfg_reg, 0x1E); inithscxisac(cs, 2); return(0); case CARD_TEST: return(0); } return(0); } __initfunc(int setup_avm_a1(struct IsdnCard *card)) { u_char val; struct IsdnCardState *cs = card->cs; long flags; char tmp[64]; strcpy(tmp, avm_revision); printk(KERN_INFO "HiSax: AVM driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_A1) return (0); cs->hw.avm.cfg_reg = card->para[1] + 0x1800; cs->hw.avm.isac = card->para[1] + 0x1400 - 0x20; cs->hw.avm.hscx[0] = card->para[1] + 0x400 - 0x20; cs->hw.avm.hscx[1] = card->para[1] + 0xc00 - 0x20; cs->hw.avm.isacfifo = card->para[1] + 0x1000; cs->hw.avm.hscxfifo[0] = card->para[1]; cs->hw.avm.hscxfifo[1] = card->para[1] + 0x800; cs->irq = card->para[0]; if (check_region((cs->hw.avm.cfg_reg), 8)) { printk(KERN_WARNING "HiSax: %s config port %x-%x already in use\n", CardType[card->typ], cs->hw.avm.cfg_reg, cs->hw.avm.cfg_reg + 8); return (0); } else { request_region(cs->hw.avm.cfg_reg, 8, "avm cfg"); } if (check_region((cs->hw.avm.isac + 32), 32)) { printk(KERN_WARNING "HiSax: %s isac ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.isac + 32, cs->hw.avm.isac + 64); release_ioregs(cs, 0); return (0); } else { request_region(cs->hw.avm.isac + 32, 32, "HiSax isac"); } if (check_region((cs->hw.avm.isacfifo), 1)) { printk(KERN_WARNING "HiSax: %s isac fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.isacfifo); release_ioregs(cs, 1); return (0); } else { request_region(cs->hw.avm.isacfifo, 1, "HiSax isac fifo"); } if (check_region((cs->hw.avm.hscx[0]) + 32, 32)) { printk(KERN_WARNING "HiSax: %s hscx A ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscx[0] + 64); release_ioregs(cs, 3); return (0); } else { request_region(cs->hw.avm.hscx[0] + 32, 32, "HiSax hscx A"); } if (check_region(cs->hw.avm.hscxfifo[0], 1)) { printk(KERN_WARNING "HiSax: %s hscx A fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.hscxfifo[0]); release_ioregs(cs, 7); return (0); } else { request_region(cs->hw.avm.hscxfifo[0], 1, "HiSax hscx A fifo"); } if (check_region(cs->hw.avm.hscx[1] + 32, 32)) { printk(KERN_WARNING "HiSax: %s hscx B ports %x-%x already in use\n", CardType[cs->typ], cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscx[1] + 64); release_ioregs(cs, 0xf); return (0); } else { request_region(cs->hw.avm.hscx[1] + 32, 32, "HiSax hscx B"); } if (check_region(cs->hw.avm.hscxfifo[1], 1)) { printk(KERN_WARNING "HiSax: %s hscx B fifo port %x already in use\n", CardType[cs->typ], cs->hw.avm.hscxfifo[1]); release_ioregs(cs, 0x1f); return (0); } else { request_region(cs->hw.avm.hscxfifo[1], 1, "HiSax hscx B fifo"); } save_flags(flags); byteout(cs->hw.avm.cfg_reg, 0x0); sti(); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x1); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x0); HZDELAY(HZ / 5 + 1); val = cs->irq; if (val == 9) val = 2; byteout(cs->hw.avm.cfg_reg + 1, val); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg, 0x0); HZDELAY(HZ / 5 + 1); restore_flags(flags); val = bytein(cs->hw.avm.cfg_reg); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg, val); val = bytein(cs->hw.avm.cfg_reg + 3); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg + 3, val); val = bytein(cs->hw.avm.cfg_reg + 2); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg + 2, val); val = bytein(cs->hw.avm.cfg_reg); printk(KERN_INFO "AVM A1: Byte at %x is %x\n", cs->hw.avm.cfg_reg, val); printk(KERN_INFO "HiSax: %s config irq:%d cfg:0x%X\n", CardType[cs->typ], cs->irq, cs->hw.avm.cfg_reg); printk(KERN_INFO "HiSax: isac:0x%X/0x%X\n", cs->hw.avm.isac + 32, cs->hw.avm.isacfifo); printk(KERN_INFO "HiSax: hscx A:0x%X/0x%X hscx B:0x%X/0x%X\n", cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscxfifo[0], cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscxfifo[1]); cs->readisac = &ReadISAC; cs->writeisac = &WriteISAC; cs->readisacfifo = &ReadISACfifo; cs->writeisacfifo = &WriteISACfifo; cs->BC_Read_Reg = &ReadHSCX; cs->BC_Write_Reg = &WriteHSCX; cs->BC_Send_Data = &hscx_fill_fifo; cs->cardmsg = &AVM_card_msg; cs->irq_func = &avm_a1_interrupt; ISACVersion(cs, "AVM A1:"); if (HscxVersion(cs, "AVM A1:")) { printk(KERN_WARNING "AVM A1: wrong HSCX versions check IO address\n"); release_ioregs(cs, 0x3f); return (0); } return (1); } |