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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 | /* $Id: ix1_micro.c,v 2.12.2.4 2004/01/13 23:48:39 keil Exp $ * * low level stuff for ITK ix1-micro Rev.2 isdn cards * derived from the original file teles3.c from Karsten Keil * * Author Klaus-Peter Nischke * Copyright by Klaus-Peter Nischke, ITK AG * <klaus@nischke.do.eunet.de> * by Karsten Keil <keil@isdn4linux.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * Klaus-Peter Nischke * Deusener Str. 287 * 44369 Dortmund * Germany */ #include <linux/init.h> #include <linux/isapnp.h> #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" static const char *ix1_revision = "$Revision: 2.12.2.4 $"; #define byteout(addr, val) outb(val, addr) #define bytein(addr) inb(addr) #define SPECIAL_PORT_OFFSET 3 #define ISAC_COMMAND_OFFSET 2 #define ISAC_DATA_OFFSET 0 #define HSCX_COMMAND_OFFSET 2 #define HSCX_DATA_OFFSET 1 #define TIMEOUT 50 static inline u_char readreg(unsigned int ale, unsigned int adr, u_char off) { register u_char ret; byteout(ale, off); ret = bytein(adr); return (ret); } static inline void readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) { byteout(ale, off); insb(adr, data, size); } static inline void writereg(unsigned int ale, unsigned int adr, u_char off, u_char data) { byteout(ale, off); byteout(adr, data); } static inline void writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size) { byteout(ale, off); outsb(adr, data, size); } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size) { readfifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size) { writefifo(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, 0, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readreg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0))); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, offset + (hscx ? 0x40 : 0), value); } #define READHSCX(cs, nr, reg) readreg(cs->hw.ix1.hscx_ale, \ cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0)) #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.ix1.hscx_ale, \ cs->hw.ix1.hscx, reg + (nr ? 0x40 : 0), data) #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.ix1.hscx_ale, \ cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.ix1.hscx_ale, \ cs->hw.ix1.hscx, (nr ? 0x40 : 0), ptr, cnt) #include "hscx_irq.c" static irqreturn_t ix1micro_interrupt(int intno, void *dev_id) { struct IsdnCardState *cs = dev_id; u_char val; u_long flags; spin_lock_irqsave(&cs->lock, flags); val = readreg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_ISTA + 0x40); Start_HSCX: if (val) hscx_int_main(cs, val); val = readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA); Start_ISAC: if (val) isac_interrupt(cs, val); val = readreg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_ISTA + 0x40); if (val) { if (cs->debug & L1_DEB_HSCX) debugl1(cs, "HSCX IntStat after IntRoutine"); goto Start_HSCX; } val = readreg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_ISTA); if (val) { if (cs->debug & L1_DEB_ISAC) debugl1(cs, "ISAC IntStat after IntRoutine"); goto Start_ISAC; } writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0xFF); writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0xFF); writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0xFF); writereg(cs->hw.ix1.isac_ale, cs->hw.ix1.isac, ISAC_MASK, 0); writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK, 0); writereg(cs->hw.ix1.hscx_ale, cs->hw.ix1.hscx, HSCX_MASK + 0x40, 0); spin_unlock_irqrestore(&cs->lock, flags); return IRQ_HANDLED; } static void release_io_ix1micro(struct IsdnCardState *cs) { if (cs->hw.ix1.cfg_reg) release_region(cs->hw.ix1.cfg_reg, 4); } static void ix1_reset(struct IsdnCardState *cs) { int cnt; /* reset isac */ cnt = 3 * (HZ / 10) + 1; while (cnt--) { byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 1); HZDELAY(1); /* wait >=10 ms */ } byteout(cs->hw.ix1.cfg_reg + SPECIAL_PORT_OFFSET, 0); } static int ix1_card_msg(struct IsdnCardState *cs, int mt, void *arg) { u_long flags; switch (mt) { case CARD_RESET: spin_lock_irqsave(&cs->lock, flags); ix1_reset(cs); spin_unlock_irqrestore(&cs->lock, flags); return (0); case CARD_RELEASE: release_io_ix1micro(cs); return (0); case CARD_INIT: spin_lock_irqsave(&cs->lock, flags); ix1_reset(cs); inithscxisac(cs, 3); spin_unlock_irqrestore(&cs->lock, flags); return (0); case CARD_TEST: return (0); } return (0); } #ifdef __ISAPNP__ static struct isapnp_device_id itk_ids[] = { { ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25), ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x25), (unsigned long) "ITK micro 2" }, { ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29), ISAPNP_VENDOR('I', 'T', 'K'), ISAPNP_FUNCTION(0x29), (unsigned long) "ITK micro 2." }, { 0, } }; static struct isapnp_device_id *ipid = &itk_ids[0]; static struct pnp_card *pnp_c = NULL; #endif int setup_ix1micro(struct IsdnCard *card) { struct IsdnCardState *cs = card->cs; char tmp[64]; strcpy(tmp, ix1_revision); printk(KERN_INFO "HiSax: ITK IX1 driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_IX1MICROR2) return (0); #ifdef __ISAPNP__ if (!card->para[1] && isapnp_present()) { struct pnp_dev *pnp_d; while (ipid->card_vendor) { if ((pnp_c = pnp_find_card(ipid->card_vendor, ipid->card_device, pnp_c))) { pnp_d = NULL; if ((pnp_d = pnp_find_dev(pnp_c, ipid->vendor, ipid->function, pnp_d))) { int err; printk(KERN_INFO "HiSax: %s detected\n", (char *)ipid->driver_data); pnp_disable_dev(pnp_d); err = pnp_activate_dev(pnp_d); if (err < 0) { printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n", __func__, err); return (0); } card->para[1] = pnp_port_start(pnp_d, 0); card->para[0] = pnp_irq(pnp_d, 0); if (card->para[0] == -1 || !card->para[1]) { printk(KERN_ERR "ITK PnP:some resources are missing %ld/%lx\n", card->para[0], card->para[1]); pnp_disable_dev(pnp_d); return (0); } break; } else { printk(KERN_ERR "ITK PnP: PnP error card found, no device\n"); } } ipid++; pnp_c = NULL; } if (!ipid->card_vendor) { printk(KERN_INFO "ITK PnP: no ISAPnP card found\n"); return (0); } } #endif /* IO-Ports */ cs->hw.ix1.isac_ale = card->para[1] + ISAC_COMMAND_OFFSET; cs->hw.ix1.hscx_ale = card->para[1] + HSCX_COMMAND_OFFSET; cs->hw.ix1.isac = card->para[1] + ISAC_DATA_OFFSET; cs->hw.ix1.hscx = card->para[1] + HSCX_DATA_OFFSET; cs->hw.ix1.cfg_reg = card->para[1]; cs->irq = card->para[0]; if (cs->hw.ix1.cfg_reg) { if (!request_region(cs->hw.ix1.cfg_reg, 4, "ix1micro cfg")) { printk(KERN_WARNING "HiSax: ITK ix1-micro Rev.2 config port " "%x-%x already in use\n", cs->hw.ix1.cfg_reg, cs->hw.ix1.cfg_reg + 4); return (0); } } printk(KERN_INFO "HiSax: ITK ix1-micro Rev.2 config irq:%d io:0x%X\n", cs->irq, cs->hw.ix1.cfg_reg); setup_isac(cs); 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 = &ix1_card_msg; cs->irq_func = &ix1micro_interrupt; ISACVersion(cs, "ix1-Micro:"); if (HscxVersion(cs, "ix1-Micro:")) { printk(KERN_WARNING "ix1-Micro: wrong HSCX versions check IO address\n"); release_io_ix1micro(cs); return (0); } return (1); } |