projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: avm_pci.c,v 1.29.2.4 2004/02/11 13:21:32 keil Exp $ |
| 2 | * | |
| 3 | * low level stuff for AVM Fritz!PCI and ISA PnP isdn cards | |
| 4 | * | |
| 5 | * Author Karsten Keil | |
| 6 | * Copyright by Karsten Keil <keil@isdn4linux.de> | |
| 7 | * | |
| 8 | * This software may be used and distributed according to the terms | |
| 9 | * of the GNU General Public License, incorporated herein by reference. | |
| 10 | * | |
| 11 | * Thanks to AVM, Berlin for information | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 1da177e4 LT |
15 | #include <linux/init.h> |
| 16 | #include "hisax.h" | |
| 17 | #include "isac.h" | |
| 18 | #include "isdnl1.h" | |
| 19 | #include <linux/pci.h> | |
| 20 | #include <linux/isapnp.h> | |
| 21 | #include <linux/interrupt.h> | |
| 22 | ||
| 23 | extern const char *CardType[]; | |
| 24 | static const char *avm_pci_rev = "$Revision: 1.29.2.4 $"; | |
| 25 | ||
| 26 | #define AVM_FRITZ_PCI 1 | |
| 27 | #define AVM_FRITZ_PNP 2 | |
| 28 | ||
| 29 | #define HDLC_FIFO 0x0 | |
| 30 | #define HDLC_STATUS 0x4 | |
| 31 | ||
| 32 | #define AVM_HDLC_1 0x00 | |
| 33 | #define AVM_HDLC_2 0x01 | |
| 34 | #define AVM_ISAC_FIFO 0x02 | |
| 35 | #define AVM_ISAC_REG_LOW 0x04 | |
| 36 | #define AVM_ISAC_REG_HIGH 0x06 | |
| 37 | ||
| 38 | #define AVM_STATUS0_IRQ_ISAC 0x01 | |
| 39 | #define AVM_STATUS0_IRQ_HDLC 0x02 | |
| 40 | #define AVM_STATUS0_IRQ_TIMER 0x04 | |
| 41 | #define AVM_STATUS0_IRQ_MASK 0x07 | |
| 42 | ||
| 43 | #define AVM_STATUS0_RESET 0x01 | |
| 44 | #define AVM_STATUS0_DIS_TIMER 0x02 | |
| 45 | #define AVM_STATUS0_RES_TIMER 0x04 | |
| 46 | #define AVM_STATUS0_ENA_IRQ 0x08 | |
| 47 | #define AVM_STATUS0_TESTBIT 0x10 | |
| 48 | ||
| 49 | #define AVM_STATUS1_INT_SEL 0x0f | |
| 50 | #define AVM_STATUS1_ENA_IOM 0x80 | |
| 51 | ||
| 52 | #define HDLC_MODE_ITF_FLG 0x01 | |
| 53 | #define HDLC_MODE_TRANS 0x02 | |
| 54 | #define HDLC_MODE_CCR_7 0x04 | |
| 55 | #define HDLC_MODE_CCR_16 0x08 | |
| 56 | #define HDLC_MODE_TESTLOOP 0x80 | |
| 57 | ||
| 58 | #define HDLC_INT_XPR 0x80 | |
| 59 | #define HDLC_INT_XDU 0x40 | |
| 60 | #define HDLC_INT_RPR 0x20 | |
| 61 | #define HDLC_INT_MASK 0xE0 | |
| 62 | ||
| 63 | #define HDLC_STAT_RME 0x01 | |
| 64 | #define HDLC_STAT_RDO 0x10 | |
| 65 | #define HDLC_STAT_CRCVFRRAB 0x0E | |
| 66 | #define HDLC_STAT_CRCVFR 0x06 | |
| 67 | #define HDLC_STAT_RML_MASK 0x3f00 | |
| 68 | ||
| 69 | #define HDLC_CMD_XRS 0x80 | |
| 70 | #define HDLC_CMD_XME 0x01 | |
| 71 | #define HDLC_CMD_RRS 0x20 | |
| 72 | #define HDLC_CMD_XML_MASK 0x3f00 | |
| 73 | ||
| 74 | ||
| 75 | /* Interface functions */ | |
| 76 | ||
| 77 | static u_char | |
| 78 | ReadISAC(struct IsdnCardState *cs, u_char offset) | |
| 79 | { | |
| 80 | register u_char idx = (offset > 0x2f) ? AVM_ISAC_REG_HIGH : AVM_ISAC_REG_LOW; | |
| 81 | register u_char val; | |
| 82 | ||
| 83 | outb(idx, cs->hw.avm.cfg_reg + 4); | |
| 84 | val = inb(cs->hw.avm.isac + (offset & 0xf)); | |
| 85 | return (val); | |
| 86 | } | |
| 87 | ||
| 88 | static void | |
| 89 | WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) | |
| 90 | { | |
| 91 | register u_char idx = (offset > 0x2f) ? AVM_ISAC_REG_HIGH : AVM_ISAC_REG_LOW; | |
| 92 | ||
| 93 | outb(idx, cs->hw.avm.cfg_reg + 4); | |
| 94 | outb(value, cs->hw.avm.isac + (offset & 0xf)); | |
| 95 | } | |
| 96 | ||
| 97 | static void | |
| 98 | ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) | |
| 99 | { | |
| 100 | outb(AVM_ISAC_FIFO, cs->hw.avm.cfg_reg + 4); | |
| 101 | insb(cs->hw.avm.isac, data, size); | |
| 102 | } | |
| 103 | ||
| 104 | static void | |
| 105 | WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) | |
| 106 | { | |
| 107 | outb(AVM_ISAC_FIFO, cs->hw.avm.cfg_reg + 4); | |
| 108 | outsb(cs->hw.avm.isac, data, size); | |
| 109 | } | |
| 110 | ||
| 111 | static inline u_int | |
| 112 | ReadHDLCPCI(struct IsdnCardState *cs, int chan, u_char offset) | |
| 113 | { | |
| 114 | register u_int idx = chan ? AVM_HDLC_2 : AVM_HDLC_1; | |
| 115 | register u_int val; | |
| 116 | ||
| 117 | outl(idx, cs->hw.avm.cfg_reg + 4); | |
| 118 | val = inl(cs->hw.avm.isac + offset); | |
| 119 | return (val); | |
| 120 | } | |
| 121 | ||
| 122 | static inline void | |
| 123 | WriteHDLCPCI(struct IsdnCardState *cs, int chan, u_char offset, u_int value) | |
| 124 | { | |
| 125 | register u_int idx = chan ? AVM_HDLC_2 : AVM_HDLC_1; | |
| 126 | ||
| 127 | outl(idx, cs->hw.avm.cfg_reg + 4); | |
| 128 | outl(value, cs->hw.avm.isac + offset); | |
| 129 | } | |
| 130 | ||
| 131 | static inline u_char | |
| 132 | ReadHDLCPnP(struct IsdnCardState *cs, int chan, u_char offset) | |
| 133 | { | |
| 134 | register u_char idx = chan ? AVM_HDLC_2 : AVM_HDLC_1; | |
| 135 | register u_char val; | |
| 136 | ||
| 137 | outb(idx, cs->hw.avm.cfg_reg + 4); | |
| 138 | val = inb(cs->hw.avm.isac + offset); | |
| 139 | return (val); | |
| 140 | } | |
| 141 | ||
| 142 | static inline void | |
| 143 | WriteHDLCPnP(struct IsdnCardState *cs, int chan, u_char offset, u_char value) | |
| 144 | { | |
| 145 | register u_char idx = chan ? AVM_HDLC_2 : AVM_HDLC_1; | |
| 146 | ||
| 147 | outb(idx, cs->hw.avm.cfg_reg + 4); | |
| 148 | outb(value, cs->hw.avm.isac + offset); | |
| 149 | } | |
| 150 | ||
| 151 | static u_char | |
| 152 | ReadHDLC_s(struct IsdnCardState *cs, int chan, u_char offset) | |
| 153 | { | |
| 154 | return(0xff & ReadHDLCPCI(cs, chan, offset)); | |
| 155 | } | |
| 156 | ||
| 157 | static void | |
| 158 | WriteHDLC_s(struct IsdnCardState *cs, int chan, u_char offset, u_char value) | |
| 159 | { | |
| 160 | WriteHDLCPCI(cs, chan, offset, value); | |
| 161 | } | |
| 162 | ||
| 163 | static inline | |
| 164 | struct BCState *Sel_BCS(struct IsdnCardState *cs, int channel) | |
| 165 | { | |
| 166 | if (cs->bcs[0].mode && (cs->bcs[0].channel == channel)) | |
| 167 | return(&cs->bcs[0]); | |
| 168 | else if (cs->bcs[1].mode && (cs->bcs[1].channel == channel)) | |
| 169 | return(&cs->bcs[1]); | |
| 170 | else | |
| 171 | return(NULL); | |
| 172 | } | |
| 173 | ||
| 672c3fd9 | 174 | static void |
| 1da177e4 LT |
175 | write_ctrl(struct BCState *bcs, int which) { |
| 176 | ||
| 177 | if (bcs->cs->debug & L1_DEB_HSCX) | |
| 178 | debugl1(bcs->cs, "hdlc %c wr%x ctrl %x", | |
| 179 | 'A' + bcs->channel, which, bcs->hw.hdlc.ctrl.ctrl); | |
| 180 | if (bcs->cs->subtyp == AVM_FRITZ_PCI) { | |
| 181 | WriteHDLCPCI(bcs->cs, bcs->channel, HDLC_STATUS, bcs->hw.hdlc.ctrl.ctrl); | |
| 182 | } else { | |
| 183 | if (which & 4) | |
| 184 | WriteHDLCPnP(bcs->cs, bcs->channel, HDLC_STATUS + 2, | |
| 185 | bcs->hw.hdlc.ctrl.sr.mode); | |
| 186 | if (which & 2) | |
| 187 | WriteHDLCPnP(bcs->cs, bcs->channel, HDLC_STATUS + 1, | |
| 188 | bcs->hw.hdlc.ctrl.sr.xml); | |
| 189 | if (which & 1) | |
| 190 | WriteHDLCPnP(bcs->cs, bcs->channel, HDLC_STATUS, | |
| 191 | bcs->hw.hdlc.ctrl.sr.cmd); | |
| 192 | } | |
| 193 | } | |
| 194 | ||
| 672c3fd9 | 195 | static void |
| 1da177e4 LT |
196 | modehdlc(struct BCState *bcs, int mode, int bc) |
| 197 | { | |
| 198 | struct IsdnCardState *cs = bcs->cs; | |
| 199 | int hdlc = bcs->channel; | |
| 200 | ||
| 201 | if (cs->debug & L1_DEB_HSCX) | |
| 202 | debugl1(cs, "hdlc %c mode %d --> %d ichan %d --> %d", | |
| 203 | 'A' + hdlc, bcs->mode, mode, hdlc, bc); | |
| 204 | bcs->hw.hdlc.ctrl.ctrl = 0; | |
| 205 | switch (mode) { | |
| 206 | case (-1): /* used for init */ | |
| 207 | bcs->mode = 1; | |
| 208 | bcs->channel = bc; | |
| 209 | bc = 0; | |
| 210 | case (L1_MODE_NULL): | |
| 211 | if (bcs->mode == L1_MODE_NULL) | |
| 212 | return; | |
| 213 | bcs->hw.hdlc.ctrl.sr.cmd = HDLC_CMD_XRS | HDLC_CMD_RRS; | |
| 214 | bcs->hw.hdlc.ctrl.sr.mode = HDLC_MODE_TRANS; | |
| 215 | write_ctrl(bcs, 5); | |
| 216 | bcs->mode = L1_MODE_NULL; | |
| 217 | bcs->channel = bc; | |
| 218 | break; | |
| 219 | case (L1_MODE_TRANS): | |
| 220 | bcs->mode = mode; | |
| 221 | bcs->channel = bc; | |
| 222 | bcs->hw.hdlc.ctrl.sr.cmd = HDLC_CMD_XRS | HDLC_CMD_RRS; | |
| 223 | bcs->hw.hdlc.ctrl.sr.mode = HDLC_MODE_TRANS; | |
| 224 | write_ctrl(bcs, 5); | |
| 225 | bcs->hw.hdlc.ctrl.sr.cmd = HDLC_CMD_XRS; | |
| 226 | write_ctrl(bcs, 1); | |
| 227 | bcs->hw.hdlc.ctrl.sr.cmd = 0; | |
| 228 | schedule_event(bcs, B_XMTBUFREADY); | |
| 229 | break; | |
| 230 | case (L1_MODE_HDLC): | |
| 231 | bcs->mode = mode; | |
| 232 | bcs->channel = bc; | |
| 233 | bcs->hw.hdlc.ctrl.sr.cmd = HDLC_CMD_XRS | HDLC_CMD_RRS; | |
| 234 | bcs->hw.hdlc.ctrl.sr.mode = HDLC_MODE_ITF_FLG; | |
| 235 | write_ctrl(bcs, 5); | |
| 236 | bcs->hw.hdlc.ctrl.sr.cmd = HDLC_CMD_XRS; | |
| 237 | write_ctrl(bcs, 1); | |
| 238 | bcs->hw.hdlc.ctrl.sr.cmd = 0; | |
| 239 | schedule_event(bcs, B_XMTBUFREADY); | |
| 240 | break; | |
| 241 | } | |
| 242 | } | |
| 243 | ||
| 244 | static inline void | |
| 245 | hdlc_empty_fifo(struct BCState *bcs, int count) | |
| 246 | { | |
| 247 | register u_int *ptr; | |
| 248 | u_char *p; | |
| 249 | u_char idx = bcs->channel ? AVM_HDLC_2 : AVM_HDLC_1; | |
| 250 | int cnt=0; | |
| 251 | struct IsdnCardState *cs = bcs->cs; | |
| 252 | ||
| 253 | if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO)) | |
| 254 | debugl1(cs, "hdlc_empty_fifo %d", count); | |
| 255 | if (bcs->hw.hdlc.rcvidx + count > HSCX_BUFMAX) { | |
| 256 | if (cs->debug & L1_DEB_WARN) | |
| 257 | debugl1(cs, "hdlc_empty_fifo: incoming packet too large"); | |
| 258 | return; | |
| 259 | } | |
| 260 | p = bcs->hw.hdlc.rcvbuf + bcs->hw.hdlc.rcvidx; | |
| 261 | ptr = (u_int *)p; | |
| 262 | bcs->hw.hdlc.rcvidx += count; | |
| 263 | if (cs->subtyp == AVM_FRITZ_PCI) { | |
| 264 | outl(idx, cs->hw.avm.cfg_reg + 4); | |
| 265 | while (cnt < count) { | |
| 266 | #ifdef __powerpc__ | |
| 267 | #ifdef CONFIG_APUS | |
| 268 | *ptr++ = in_le32((unsigned *)(cs->hw.avm.isac +_IO_BASE)); | |
| 269 | #else | |
| 270 | *ptr++ = in_be32((unsigned *)(cs->hw.avm.isac +_IO_BASE)); | |
| 271 | #endif /* CONFIG_APUS */ | |
| 272 | #else | |
| 273 | *ptr++ = inl(cs->hw.avm.isac); | |
| 274 | #endif /* __powerpc__ */ | |
| 275 | cnt += 4; | |
| 276 | } | |
| 277 | } else { | |
| 278 | outb(idx, cs->hw.avm.cfg_reg + 4); | |
| 279 | while (cnt < count) { | |
| 280 | *p++ = inb(cs->hw.avm.isac); | |
| 281 | cnt++; | |
| 282 | } | |
| 283 | } | |
| 284 | if (cs->debug & L1_DEB_HSCX_FIFO) { | |
| 285 | char *t = bcs->blog; | |
| 286 | ||
| 287 | if (cs->subtyp == AVM_FRITZ_PNP) | |
| 288 | p = (u_char *) ptr; | |
| 289 | t += sprintf(t, "hdlc_empty_fifo %c cnt %d", | |
| 290 | bcs->channel ? 'B' : 'A', count); | |
| 291 | QuickHex(t, p, count); | |
| 292 | debugl1(cs, bcs->blog); | |
| 293 | } | |
| 294 | } | |
| 295 | ||
| 296 | static inline void | |
| 297 | hdlc_fill_fifo(struct BCState *bcs) | |
| 298 | { | |
| 299 | struct IsdnCardState *cs = bcs->cs; | |
| 300 | int count, cnt =0; | |
| 301 | int fifo_size = 32; | |
| 302 | u_char *p; | |
| 303 | u_int *ptr; | |
| 304 | ||
| 305 | if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO)) | |
| 306 | debugl1(cs, "hdlc_fill_fifo"); | |
| 307 | if (!bcs->tx_skb) | |
| 308 | return; | |
| 309 | if (bcs->tx_skb->len <= 0) | |
| 310 | return; | |
| 311 | ||
| 312 | bcs->hw.hdlc.ctrl.sr.cmd &= ~HDLC_CMD_XME; | |
| 313 | if (bcs->tx_skb->len > fifo_size) { | |
| 314 | count = fifo_size; | |
| 315 | } else { | |
| 316 | count = bcs->tx_skb->len; | |
| 317 | if (bcs->mode != L1_MODE_TRANS) | |
| 318 | bcs->hw.hdlc.ctrl.sr.cmd |= HDLC_CMD_XME; | |
| 319 | } | |
| 320 | if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO)) | |
| 321 | debugl1(cs, "hdlc_fill_fifo %d/%ld", count, bcs->tx_skb->len); | |
| 322 | p = bcs->tx_skb->data; | |
| 323 | ptr = (u_int *)p; | |
| 324 | skb_pull(bcs->tx_skb, count); | |
| 325 | bcs->tx_cnt -= count; | |
| 326 | bcs->hw.hdlc.count += count; | |
| 327 | bcs->hw.hdlc.ctrl.sr.xml = ((count == fifo_size) ? 0 : count); | |
| 328 | write_ctrl(bcs, 3); /* sets the correct index too */ | |
| 329 | if (cs->subtyp == AVM_FRITZ_PCI) { | |
| 330 | while (cnt<count) { | |
| 331 | #ifdef __powerpc__ | |
| 332 | #ifdef CONFIG_APUS | |
| 333 | out_le32((unsigned *)(cs->hw.avm.isac +_IO_BASE), *ptr++); | |
| 334 | #else | |
| 335 | out_be32((unsigned *)(cs->hw.avm.isac +_IO_BASE), *ptr++); | |
| 336 | #endif /* CONFIG_APUS */ | |
| 337 | #else | |
| 338 | outl(*ptr++, cs->hw.avm.isac); | |
| 339 | #endif /* __powerpc__ */ | |
| 340 | cnt += 4; | |
| 341 | } | |
| 342 | } else { | |
| 343 | while (cnt<count) { | |
| 344 | outb(*p++, cs->hw.avm.isac); | |
| 345 | cnt++; | |
| 346 | } | |
| 347 | } | |
| 348 | if (cs->debug & L1_DEB_HSCX_FIFO) { | |
| 349 | char *t = bcs->blog; | |
| 350 | ||
| 351 | if (cs->subtyp == AVM_FRITZ_PNP) | |
| 352 | p = (u_char *) ptr; | |
| 353 | t += sprintf(t, "hdlc_fill_fifo %c cnt %d", | |
| 354 | bcs->channel ? 'B' : 'A', count); | |
| 355 | QuickHex(t, p, count); | |
| 356 | debugl1(cs, bcs->blog); | |
| 357 | } | |
| 358 | } | |
| 359 | ||
| 858119e1 | 360 | static void |
| 1da177e4 LT |
361 | HDLC_irq(struct BCState *bcs, u_int stat) { |
| 362 | int len; | |
| 363 | struct sk_buff *skb; | |
| 364 | ||
| 365 | if (bcs->cs->debug & L1_DEB_HSCX) | |
| 366 | debugl1(bcs->cs, "ch%d stat %#x", bcs->channel, stat); | |
| 367 | if (stat & HDLC_INT_RPR) { | |
| 368 | if (stat & HDLC_STAT_RDO) { | |
| 369 | if (bcs->cs->debug & L1_DEB_HSCX) | |
| 370 | debugl1(bcs->cs, "RDO"); | |
| 371 | else | |
| 372 | debugl1(bcs->cs, "ch%d stat %#x", bcs->channel, stat); | |
| 373 | bcs->hw.hdlc.ctrl.sr.xml = 0; | |
| 374 | bcs->hw.hdlc.ctrl.sr.cmd |= HDLC_CMD_RRS; | |
| 375 | write_ctrl(bcs, 1); | |
| 376 | bcs->hw.hdlc.ctrl.sr.cmd &= ~HDLC_CMD_RRS; | |
| 377 | write_ctrl(bcs, 1); | |
| 378 | bcs->hw.hdlc.rcvidx = 0; | |
| 379 | } else { | |
| 380 | if (!(len = (stat & HDLC_STAT_RML_MASK)>>8)) | |
| 381 | len = 32; | |
| 382 | hdlc_empty_fifo(bcs, len); | |
| 383 | if ((stat & HDLC_STAT_RME) || (bcs->mode == L1_MODE_TRANS)) { | |
| 384 | if (((stat & HDLC_STAT_CRCVFRRAB)==HDLC_STAT_CRCVFR) || | |
| 385 | (bcs->mode == L1_MODE_TRANS)) { | |
| 386 | if (!(skb = dev_alloc_skb(bcs->hw.hdlc.rcvidx))) | |
| 387 | printk(KERN_WARNING "HDLC: receive out of memory\n"); | |
| 388 | else { | |
| 389 | memcpy(skb_put(skb, bcs->hw.hdlc.rcvidx), | |
| 390 | bcs->hw.hdlc.rcvbuf, bcs->hw.hdlc.rcvidx); | |
| 391 | skb_queue_tail(&bcs->rqueue, skb); | |
| 392 | } | |
| 393 | bcs->hw.hdlc.rcvidx = 0; | |
| 394 | schedule_event(bcs, B_RCVBUFREADY); | |
| 395 | } else { | |
| 396 | if (bcs->cs->debug & L1_DEB_HSCX) | |
| 397 | debugl1(bcs->cs, "invalid frame"); | |
| 398 | else | |
| 399 | debugl1(bcs->cs, "ch%d invalid frame %#x", bcs->channel, stat); | |
| 400 | bcs->hw.hdlc.rcvidx = 0; | |
| 401 | } | |
| 402 | } | |
| 403 | } | |
| 404 | } | |
| 405 | if (stat & HDLC_INT_XDU) { | |
| 406 | /* Here we lost an TX interrupt, so | |
| 407 | * restart transmitting the whole frame. | |
| 408 | */ | |
| 409 | if (bcs->tx_skb) { | |
| 410 | skb_push(bcs->tx_skb, bcs->hw.hdlc.count); | |
| 411 | bcs->tx_cnt += bcs->hw.hdlc.count; | |
| 412 | bcs->hw.hdlc.count = 0; | |
| 413 | if (bcs->cs->debug & L1_DEB_WARN) | |
| 414 | debugl1(bcs->cs, "ch%d XDU", bcs->channel); | |
| 415 | } else if (bcs->cs->debug & L1_DEB_WARN) | |
| 416 | debugl1(bcs->cs, "ch%d XDU without skb", bcs->channel); | |
| 417 | bcs->hw.hdlc.ctrl.sr.xml = 0; | |
| 418 | bcs->hw.hdlc.ctrl.sr.cmd |= HDLC_CMD_XRS; | |
| 419 | write_ctrl(bcs, 1); | |
| 420 | bcs->hw.hdlc.ctrl.sr.cmd &= ~HDLC_CMD_XRS; | |
| 421 | write_ctrl(bcs, 1); | |
| 422 | hdlc_fill_fifo(bcs); | |
| 423 | } else if (stat & HDLC_INT_XPR) { | |
| 424 | if (bcs->tx_skb) { | |
| 425 | if (bcs->tx_skb->len) { | |
| 426 | hdlc_fill_fifo(bcs); | |
| 427 | return; | |
| 428 | } else { | |
| 429 | if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) && | |
| 430 | (PACKET_NOACK != bcs->tx_skb->pkt_type)) { | |
| 431 | u_long flags; | |
| 432 | spin_lock_irqsave(&bcs->aclock, flags); | |
| 433 | bcs->ackcnt += bcs->hw.hdlc.count; | |
| 434 | spin_unlock_irqrestore(&bcs->aclock, flags); | |
| 435 | schedule_event(bcs, B_ACKPENDING); | |
| 436 | } | |
| 437 | dev_kfree_skb_irq(bcs->tx_skb); | |
| 438 | bcs->hw.hdlc.count = 0; | |
| 439 | bcs->tx_skb = NULL; | |
| 440 | } | |
| 441 | } | |
| 442 | if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) { | |
| 443 | bcs->hw.hdlc.count = 0; | |
| 444 | test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 445 | hdlc_fill_fifo(bcs); | |
| 446 | } else { | |
| 447 | test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 448 | schedule_event(bcs, B_XMTBUFREADY); | |
| 449 | } | |
| 450 | } | |
| 451 | } | |
| 452 | ||
| 672c3fd9 | 453 | static inline void |
| 1da177e4 LT |
454 | HDLC_irq_main(struct IsdnCardState *cs) |
| 455 | { | |
| 456 | u_int stat; | |
| 457 | struct BCState *bcs; | |
| 458 | ||
| 459 | if (cs->subtyp == AVM_FRITZ_PCI) { | |
| 460 | stat = ReadHDLCPCI(cs, 0, HDLC_STATUS); | |
| 461 | } else { | |
| 462 | stat = ReadHDLCPnP(cs, 0, HDLC_STATUS); | |
| 463 | if (stat & HDLC_INT_RPR) | |
| 464 | stat |= (ReadHDLCPnP(cs, 0, HDLC_STATUS+1))<<8; | |
| 465 | } | |
| 466 | if (stat & HDLC_INT_MASK) { | |
| 467 | if (!(bcs = Sel_BCS(cs, 0))) { | |
| 468 | if (cs->debug) | |
| 469 | debugl1(cs, "hdlc spurious channel 0 IRQ"); | |
| 470 | } else | |
| 471 | HDLC_irq(bcs, stat); | |
| 472 | } | |
| 473 | if (cs->subtyp == AVM_FRITZ_PCI) { | |
| 474 | stat = ReadHDLCPCI(cs, 1, HDLC_STATUS); | |
| 475 | } else { | |
| 476 | stat = ReadHDLCPnP(cs, 1, HDLC_STATUS); | |
| 477 | if (stat & HDLC_INT_RPR) | |
| 478 | stat |= (ReadHDLCPnP(cs, 1, HDLC_STATUS+1))<<8; | |
| 479 | } | |
| 480 | if (stat & HDLC_INT_MASK) { | |
| 481 | if (!(bcs = Sel_BCS(cs, 1))) { | |
| 482 | if (cs->debug) | |
| 483 | debugl1(cs, "hdlc spurious channel 1 IRQ"); | |
| 484 | } else | |
| 485 | HDLC_irq(bcs, stat); | |
| 486 | } | |
| 487 | } | |
| 488 | ||
| 672c3fd9 | 489 | static void |
| 1da177e4 LT |
490 | hdlc_l2l1(struct PStack *st, int pr, void *arg) |
| 491 | { | |
| 492 | struct BCState *bcs = st->l1.bcs; | |
| 493 | struct sk_buff *skb = arg; | |
| 494 | u_long flags; | |
| 495 | ||
| 496 | switch (pr) { | |
| 497 | case (PH_DATA | REQUEST): | |
| 498 | spin_lock_irqsave(&bcs->cs->lock, flags); | |
| 499 | if (bcs->tx_skb) { | |
| 500 | skb_queue_tail(&bcs->squeue, skb); | |
| 501 | } else { | |
| 502 | bcs->tx_skb = skb; | |
| 503 | test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 504 | bcs->hw.hdlc.count = 0; | |
| 505 | bcs->cs->BC_Send_Data(bcs); | |
| 506 | } | |
| 507 | spin_unlock_irqrestore(&bcs->cs->lock, flags); | |
| 508 | break; | |
| 509 | case (PH_PULL | INDICATION): | |
| 510 | spin_lock_irqsave(&bcs->cs->lock, flags); | |
| 511 | if (bcs->tx_skb) { | |
| 512 | printk(KERN_WARNING "hdlc_l2l1: this shouldn't happen\n"); | |
| 513 | } else { | |
| 514 | test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 515 | bcs->tx_skb = skb; | |
| 516 | bcs->hw.hdlc.count = 0; | |
| 517 | bcs->cs->BC_Send_Data(bcs); | |
| 518 | } | |
| 519 | spin_unlock_irqrestore(&bcs->cs->lock, flags); | |
| 520 | break; | |
| 521 | case (PH_PULL | REQUEST): | |
| 522 | if (!bcs->tx_skb) { | |
| 523 | test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags); | |
| 524 | st->l1.l1l2(st, PH_PULL | CONFIRM, NULL); | |
| 525 | } else | |
| 526 | test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags); | |
| 527 | break; | |
| 528 | case (PH_ACTIVATE | REQUEST): | |
| 529 | spin_lock_irqsave(&bcs->cs->lock, flags); | |
| 530 | test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag); | |
| 531 | modehdlc(bcs, st->l1.mode, st->l1.bc); | |
| 532 | spin_unlock_irqrestore(&bcs->cs->lock, flags); | |
| 533 | l1_msg_b(st, pr, arg); | |
| 534 | break; | |
| 535 | case (PH_DEACTIVATE | REQUEST): | |
| 536 | l1_msg_b(st, pr, arg); | |
| 537 | break; | |
| 538 | case (PH_DEACTIVATE | CONFIRM): | |
| 539 | spin_lock_irqsave(&bcs->cs->lock, flags); | |
| 540 | test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag); | |
| 541 | test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 542 | modehdlc(bcs, 0, st->l1.bc); | |
| 543 | spin_unlock_irqrestore(&bcs->cs->lock, flags); | |
| 544 | st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL); | |
| 545 | break; | |
| 546 | } | |
| 547 | } | |
| 548 | ||
| 672c3fd9 | 549 | static void |
| 1da177e4 LT |
550 | close_hdlcstate(struct BCState *bcs) |
| 551 | { | |
| 552 | modehdlc(bcs, 0, 0); | |
| 553 | if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) { | |
| 3c7208f2 JJ |
554 | kfree(bcs->hw.hdlc.rcvbuf); |
| 555 | bcs->hw.hdlc.rcvbuf = NULL; | |
| 556 | kfree(bcs->blog); | |
| 557 | bcs->blog = NULL; | |
| 1da177e4 LT |
558 | skb_queue_purge(&bcs->rqueue); |
| 559 | skb_queue_purge(&bcs->squeue); | |
| 560 | if (bcs->tx_skb) { | |
| 561 | dev_kfree_skb_any(bcs->tx_skb); | |
| 562 | bcs->tx_skb = NULL; | |
| 563 | test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 564 | } | |
| 565 | } | |
| 566 | } | |
| 567 | ||
| 672c3fd9 | 568 | static int |
| 1da177e4 LT |
569 | open_hdlcstate(struct IsdnCardState *cs, struct BCState *bcs) |
| 570 | { | |
| 571 | if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) { | |
| 572 | if (!(bcs->hw.hdlc.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) { | |
| 573 | printk(KERN_WARNING | |
| 574 | "HiSax: No memory for hdlc.rcvbuf\n"); | |
| 575 | return (1); | |
| 576 | } | |
| 577 | if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) { | |
| 578 | printk(KERN_WARNING | |
| 579 | "HiSax: No memory for bcs->blog\n"); | |
| 580 | test_and_clear_bit(BC_FLG_INIT, &bcs->Flag); | |
| 581 | kfree(bcs->hw.hdlc.rcvbuf); | |
| 582 | bcs->hw.hdlc.rcvbuf = NULL; | |
| 583 | return (2); | |
| 584 | } | |
| 585 | skb_queue_head_init(&bcs->rqueue); | |
| 586 | skb_queue_head_init(&bcs->squeue); | |
| 587 | } | |
| 588 | bcs->tx_skb = NULL; | |
| 589 | test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); | |
| 590 | bcs->event = 0; | |
| 591 | bcs->hw.hdlc.rcvidx = 0; | |
| 592 | bcs->tx_cnt = 0; | |
| 593 | return (0); | |
| 594 | } | |
| 595 | ||
| 672c3fd9 | 596 | static int |
| 1da177e4 LT |
597 | setstack_hdlc(struct PStack *st, struct BCState *bcs) |
| 598 | { | |
| 599 | bcs->channel = st->l1.bc; | |
| 600 | if (open_hdlcstate(st->l1.hardware, bcs)) | |
| 601 | return (-1); | |
| 602 | st->l1.bcs = bcs; | |
| 603 | st->l2.l2l1 = hdlc_l2l1; | |
| 604 | setstack_manager(st); | |
| 605 | bcs->st = st; | |
| 606 | setstack_l1_B(st); | |
| 607 | return (0); | |
| 608 | } | |
| 609 | ||
| 672c3fd9 | 610 | #if 0 |
| 1da177e4 LT |
611 | void __init |
| 612 | clear_pending_hdlc_ints(struct IsdnCardState *cs) | |
| 613 | { | |
| 614 | u_int val; | |
| 615 | ||
| 616 | if (cs->subtyp == AVM_FRITZ_PCI) { | |
| 617 | val = ReadHDLCPCI(cs, 0, HDLC_STATUS); | |
| 618 | debugl1(cs, "HDLC 1 STA %x", val); | |
| 619 | val = ReadHDLCPCI(cs, 1, HDLC_STATUS); | |
| 620 | debugl1(cs, "HDLC 2 STA %x", val); | |
| 621 | } else { | |
| 622 | val = ReadHDLCPnP(cs, 0, HDLC_STATUS); | |
| 623 | debugl1(cs, "HDLC 1 STA %x", val); | |
| 624 | val = ReadHDLCPnP(cs, 0, HDLC_STATUS + 1); | |
| 625 | debugl1(cs, "HDLC 1 RML %x", val); | |
| 626 | val = ReadHDLCPnP(cs, 0, HDLC_STATUS + 2); | |
| 627 | debugl1(cs, "HDLC 1 MODE %x", val); | |
| 628 | val = ReadHDLCPnP(cs, 0, HDLC_STATUS + 3); | |
| 629 | debugl1(cs, "HDLC 1 VIN %x", val); | |
| 630 | val = ReadHDLCPnP(cs, 1, HDLC_STATUS); | |
| 631 | debugl1(cs, "HDLC 2 STA %x", val); | |
| 632 | val = ReadHDLCPnP(cs, 1, HDLC_STATUS + 1); | |
| 633 | debugl1(cs, "HDLC 2 RML %x", val); | |
| 634 | val = ReadHDLCPnP(cs, 1, HDLC_STATUS + 2); | |
| 635 | debugl1(cs, "HDLC 2 MODE %x", val); | |
| 636 | val = ReadHDLCPnP(cs, 1, HDLC_STATUS + 3); | |
| 637 | debugl1(cs, "HDLC 2 VIN %x", val); | |
| 638 | } | |
| 639 | } | |
| 672c3fd9 | 640 | #endif /* 0 */ |
| 1da177e4 | 641 | |
| 67eb5db5 | 642 | static void |
| 1da177e4 LT |
643 | inithdlc(struct IsdnCardState *cs) |
| 644 | { | |
| 645 | cs->bcs[0].BC_SetStack = setstack_hdlc; | |
| 646 | cs->bcs[1].BC_SetStack = setstack_hdlc; | |
| 647 | cs->bcs[0].BC_Close = close_hdlcstate; | |
| 648 | cs->bcs[1].BC_Close = close_hdlcstate; | |
| 649 | modehdlc(cs->bcs, -1, 0); | |
| 650 | modehdlc(cs->bcs + 1, -1, 1); | |
| 651 | } | |
| 652 | ||
| 653 | static irqreturn_t | |
| 7d12e780 | 654 | avm_pcipnp_interrupt(int intno, void *dev_id) |
| 1da177e4 LT |
655 | { |
| 656 | struct IsdnCardState *cs = dev_id; | |
| 657 | u_long flags; | |
| 658 | u_char val; | |
| 659 | u_char sval; | |
| 660 | ||
| 661 | spin_lock_irqsave(&cs->lock, flags); | |
| 662 | sval = inb(cs->hw.avm.cfg_reg + 2); | |
| 663 | if ((sval & AVM_STATUS0_IRQ_MASK) == AVM_STATUS0_IRQ_MASK) { | |
| 664 | /* possible a shared IRQ reqest */ | |
| 665 | spin_unlock_irqrestore(&cs->lock, flags); | |
| 666 | return IRQ_NONE; | |
| 667 | } | |
| 668 | if (!(sval & AVM_STATUS0_IRQ_ISAC)) { | |
| 669 | val = ReadISAC(cs, ISAC_ISTA); | |
| 670 | isac_interrupt(cs, val); | |
| 671 | } | |
| 672 | if (!(sval & AVM_STATUS0_IRQ_HDLC)) { | |
| 673 | HDLC_irq_main(cs); | |
| 674 | } | |
| 675 | WriteISAC(cs, ISAC_MASK, 0xFF); | |
| 676 | WriteISAC(cs, ISAC_MASK, 0x0); | |
| 677 | spin_unlock_irqrestore(&cs->lock, flags); | |
| 678 | return IRQ_HANDLED; | |
| 679 | } | |
| 680 | ||
| 681 | static void | |
| 682 | reset_avmpcipnp(struct IsdnCardState *cs) | |
| 683 | { | |
| 684 | printk(KERN_INFO "AVM PCI/PnP: reset\n"); | |
| 685 | outb(AVM_STATUS0_RESET | AVM_STATUS0_DIS_TIMER, cs->hw.avm.cfg_reg + 2); | |
| 686 | mdelay(10); | |
| 687 | outb(AVM_STATUS0_DIS_TIMER | AVM_STATUS0_RES_TIMER | AVM_STATUS0_ENA_IRQ, cs->hw.avm.cfg_reg + 2); | |
| 688 | outb(AVM_STATUS1_ENA_IOM | cs->irq, cs->hw.avm.cfg_reg + 3); | |
| 689 | mdelay(10); | |
| 690 | printk(KERN_INFO "AVM PCI/PnP: S1 %x\n", inb(cs->hw.avm.cfg_reg + 3)); | |
| 691 | } | |
| 692 | ||
| 693 | static int | |
| 694 | AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg) | |
| 695 | { | |
| 696 | u_long flags; | |
| 697 | ||
| 698 | switch (mt) { | |
| 699 | case CARD_RESET: | |
| 700 | spin_lock_irqsave(&cs->lock, flags); | |
| 701 | reset_avmpcipnp(cs); | |
| 702 | spin_unlock_irqrestore(&cs->lock, flags); | |
| 703 | return(0); | |
| 704 | case CARD_RELEASE: | |
| 705 | outb(0, cs->hw.avm.cfg_reg + 2); | |
| 706 | release_region(cs->hw.avm.cfg_reg, 32); | |
| 707 | return(0); | |
| 708 | case CARD_INIT: | |
| 709 | spin_lock_irqsave(&cs->lock, flags); | |
| 710 | reset_avmpcipnp(cs); | |
| 711 | clear_pending_isac_ints(cs); | |
| 712 | initisac(cs); | |
| 713 | inithdlc(cs); | |
| 714 | outb(AVM_STATUS0_DIS_TIMER | AVM_STATUS0_RES_TIMER, | |
| 715 | cs->hw.avm.cfg_reg + 2); | |
| 716 | WriteISAC(cs, ISAC_MASK, 0); | |
| 717 | outb(AVM_STATUS0_DIS_TIMER | AVM_STATUS0_RES_TIMER | | |
| 718 | AVM_STATUS0_ENA_IRQ, cs->hw.avm.cfg_reg + 2); | |
| 719 | /* RESET Receiver and Transmitter */ | |
| 720 | WriteISAC(cs, ISAC_CMDR, 0x41); | |
| 721 | spin_unlock_irqrestore(&cs->lock, flags); | |
| 722 | return(0); | |
| 723 | case CARD_TEST: | |
| 724 | return(0); | |
| 725 | } | |
| 726 | return(0); | |
| 727 | } | |
| 728 | ||
| 729 | #ifdef CONFIG_PCI | |
| 67eb5db5 | 730 | static struct pci_dev *dev_avm __devinitdata = NULL; |
| 1da177e4 LT |
731 | #endif |
| 732 | #ifdef __ISAPNP__ | |
| 67eb5db5 | 733 | static struct pnp_card *pnp_avm_c __devinitdata = NULL; |
| 1da177e4 LT |
734 | #endif |
| 735 | ||
| 67eb5db5 | 736 | int __devinit |
| 1da177e4 LT |
737 | setup_avm_pcipnp(struct IsdnCard *card) |
| 738 | { | |
| 739 | u_int val, ver; | |
| 740 | struct IsdnCardState *cs = card->cs; | |
| 741 | char tmp[64]; | |
| 742 | ||
| 743 | strcpy(tmp, avm_pci_rev); | |
| 744 | printk(KERN_INFO "HiSax: AVM PCI driver Rev. %s\n", HiSax_getrev(tmp)); | |
| 745 | if (cs->typ != ISDN_CTYPE_FRITZPCI) | |
| 746 | return (0); | |
| 747 | if (card->para[1]) { | |
| 748 | /* old manual method */ | |
| 749 | cs->hw.avm.cfg_reg = card->para[1]; | |
| 750 | cs->irq = card->para[0]; | |
| 751 | cs->subtyp = AVM_FRITZ_PNP; | |
| 752 | goto ready; | |
| 753 | } | |
| 754 | #ifdef __ISAPNP__ | |
| 755 | if (isapnp_present()) { | |
| 756 | struct pnp_dev *pnp_avm_d = NULL; | |
| 757 | if ((pnp_avm_c = pnp_find_card( | |
| 758 | ISAPNP_VENDOR('A', 'V', 'M'), | |
| 759 | ISAPNP_FUNCTION(0x0900), pnp_avm_c))) { | |
| 760 | if ((pnp_avm_d = pnp_find_dev(pnp_avm_c, | |
| 761 | ISAPNP_VENDOR('A', 'V', 'M'), | |
| 762 | ISAPNP_FUNCTION(0x0900), pnp_avm_d))) { | |
| 763 | int err; | |
| 764 | ||
| 765 | pnp_disable_dev(pnp_avm_d); | |
| 766 | err = pnp_activate_dev(pnp_avm_d); | |
| 767 | if (err<0) { | |
| 768 | printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", | |
| 769 | __FUNCTION__, err); | |
| 770 | return(0); | |
| 771 | } | |
| 772 | cs->hw.avm.cfg_reg = | |
| 773 | pnp_port_start(pnp_avm_d, 0); | |
| 774 | cs->irq = pnp_irq(pnp_avm_d, 0); | |
| 775 | if (!cs->irq) { | |
| 776 | printk(KERN_ERR "FritzPnP:No IRQ\n"); | |
| 777 | return(0); | |
| 778 | } | |
| 779 | if (!cs->hw.avm.cfg_reg) { | |
| 780 | printk(KERN_ERR "FritzPnP:No IO address\n"); | |
| 781 | return(0); | |
| 782 | } | |
| 783 | cs->subtyp = AVM_FRITZ_PNP; | |
| 784 | goto ready; | |
| 785 | } | |
| 786 | } | |
| 787 | } else { | |
| 788 | printk(KERN_INFO "FritzPnP: no ISA PnP present\n"); | |
| 789 | } | |
| 790 | #endif | |
| 791 | #ifdef CONFIG_PCI | |
| 792 | if ((dev_avm = pci_find_device(PCI_VENDOR_ID_AVM, | |
| 793 | PCI_DEVICE_ID_AVM_A1, dev_avm))) { | |
| 794 | if (pci_enable_device(dev_avm)) | |
| 795 | return(0); | |
| 796 | cs->irq = dev_avm->irq; | |
| 797 | if (!cs->irq) { | |
| 798 | printk(KERN_ERR "FritzPCI: No IRQ for PCI card found\n"); | |
| 799 | return(0); | |
| 800 | } | |
| 801 | cs->hw.avm.cfg_reg = pci_resource_start(dev_avm, 1); | |
| 802 | if (!cs->hw.avm.cfg_reg) { | |
| 803 | printk(KERN_ERR "FritzPCI: No IO-Adr for PCI card found\n"); | |
| 804 | return(0); | |
| 805 | } | |
| 806 | cs->subtyp = AVM_FRITZ_PCI; | |
| 807 | } else { | |
| 808 | printk(KERN_WARNING "FritzPCI: No PCI card found\n"); | |
| 809 | return(0); | |
| 810 | } | |
| 9ba02bec | 811 | cs->irq_flags |= IRQF_SHARED; |
| 1da177e4 LT |
812 | #else |
| 813 | printk(KERN_WARNING "FritzPCI: NO_PCI_BIOS\n"); | |
| 814 | return (0); | |
| 815 | #endif /* CONFIG_PCI */ | |
| 816 | ready: | |
| 817 | cs->hw.avm.isac = cs->hw.avm.cfg_reg + 0x10; | |
| 818 | if (!request_region(cs->hw.avm.cfg_reg, 32, | |
| 819 | (cs->subtyp == AVM_FRITZ_PCI) ? "avm PCI" : "avm PnP")) { | |
| 820 | printk(KERN_WARNING | |
| 821 | "HiSax: %s config port %x-%x already in use\n", | |
| 822 | CardType[card->typ], | |
| 823 | cs->hw.avm.cfg_reg, | |
| 824 | cs->hw.avm.cfg_reg + 31); | |
| 825 | return (0); | |
| 826 | } | |
| 827 | switch (cs->subtyp) { | |
| 828 | case AVM_FRITZ_PCI: | |
| 829 | val = inl(cs->hw.avm.cfg_reg); | |
| 830 | printk(KERN_INFO "AVM PCI: stat %#x\n", val); | |
| 831 | printk(KERN_INFO "AVM PCI: Class %X Rev %d\n", | |
| 832 | val & 0xff, (val>>8) & 0xff); | |
| 833 | cs->BC_Read_Reg = &ReadHDLC_s; | |
| 834 | cs->BC_Write_Reg = &WriteHDLC_s; | |
| 835 | break; | |
| 836 | case AVM_FRITZ_PNP: | |
| 837 | val = inb(cs->hw.avm.cfg_reg); | |
| 838 | ver = inb(cs->hw.avm.cfg_reg + 1); | |
| 839 | printk(KERN_INFO "AVM PnP: Class %X Rev %d\n", val, ver); | |
| 840 | cs->BC_Read_Reg = &ReadHDLCPnP; | |
| 841 | cs->BC_Write_Reg = &WriteHDLCPnP; | |
| 842 | break; | |
| 843 | default: | |
| 844 | printk(KERN_WARNING "AVM unknown subtype %d\n", cs->subtyp); | |
| 845 | return(0); | |
| 846 | } | |
| 847 | printk(KERN_INFO "HiSax: %s config irq:%d base:0x%X\n", | |
| 848 | (cs->subtyp == AVM_FRITZ_PCI) ? "AVM Fritz!PCI" : "AVM Fritz!PnP", | |
| 849 | cs->irq, cs->hw.avm.cfg_reg); | |
| 850 | ||
| 851 | setup_isac(cs); | |
| 852 | cs->readisac = &ReadISAC; | |
| 853 | cs->writeisac = &WriteISAC; | |
| 854 | cs->readisacfifo = &ReadISACfifo; | |
| 855 | cs->writeisacfifo = &WriteISACfifo; | |
| 856 | cs->BC_Send_Data = &hdlc_fill_fifo; | |
| 857 | cs->cardmsg = &AVM_card_msg; | |
| 858 | cs->irq_func = &avm_pcipnp_interrupt; | |
| 859 | cs->writeisac(cs, ISAC_MASK, 0xFF); | |
| 860 | ISACVersion(cs, (cs->subtyp == AVM_FRITZ_PCI) ? "AVM PCI:" : "AVM PnP:"); | |
| 861 | return (1); | |
| 862 | } |