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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 | /* $Id: avm_a1p.c,v 2.5 1999/09/01 08:26:34 calle Exp $ * * avm_a1p.c low level stuff for the following AVM cards: * A1 PCMCIA * FRITZ!Card PCMCIA * FRITZ!Card PCMCIA 2.0 * * Author Carsten Paeth (calle@calle.in-berlin.de) * * $Log: avm_a1p.c,v $ * Revision 2.5 1999/09/01 08:26:34 calle * Patch from Daniel Beichl <dani@ecomag.net> to make A1 PCMCIA work again. * * Revision 2.4 1999/07/12 21:04:55 keil * fix race in IRQ handling * added watchdog for lost IRQs * * Revision 2.3 1998/11/15 23:54:22 keil * changes from 2.0 * * Revision 2.2 1998/08/13 23:36:13 keil * HiSax 3.1 - don't work stable with current LinkLevel * * Revision 2.1 1998/07/15 15:01:23 calle * Support for AVM passive PCMCIA cards: * A1 PCMCIA, FRITZ!Card PCMCIA and FRITZ!Card PCMCIA 2.0 * * Revision 1.1.2.1 1998/07/15 14:43:26 calle * Support for AVM passive PCMCIA cards: * A1 PCMCIA, FRITZ!Card PCMCIA and FRITZ!Card PCMCIA 2.0 * * */ #define __NO_VERSION__ #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" /* register offsets */ #define ADDRREG_OFFSET 0x02 #define DATAREG_OFFSET 0x03 #define ASL0_OFFSET 0x04 #define ASL1_OFFSET 0x05 #define MODREG_OFFSET 0x06 #define VERREG_OFFSET 0x07 /* address offsets */ #define ISAC_FIFO_OFFSET 0x00 #define ISAC_REG_OFFSET 0x20 #define HSCX_CH_DIFF 0x40 #define HSCX_FIFO_OFFSET 0x80 #define HSCX_REG_OFFSET 0xa0 /* read bits ASL0 */ #define ASL0_R_TIMER 0x10 /* active low */ #define ASL0_R_ISAC 0x20 /* active low */ #define ASL0_R_HSCX 0x40 /* active low */ #define ASL0_R_TESTBIT 0x80 #define ASL0_R_IRQPENDING (ASL0_R_ISAC|ASL0_R_HSCX|ASL0_R_TIMER) /* write bits ASL0 */ #define ASL0_W_RESET 0x01 #define ASL0_W_TDISABLE 0x02 #define ASL0_W_TRESET 0x04 #define ASL0_W_IRQENABLE 0x08 #define ASL0_W_TESTBIT 0x80 /* write bits ASL1 */ #define ASL1_W_LED0 0x10 #define ASL1_W_LED1 0x20 #define ASL1_W_ENABLE_S0 0xC0 #define byteout(addr,val) outb(val,addr) #define bytein(addr) inb(addr) static const char *avm_revision = "$Revision: 2.5 $"; static inline u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { long flags; u_char ret; offset -= 0x20; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET,ISAC_REG_OFFSET+offset); ret = bytein(cs->hw.avm.cfg_reg+DATAREG_OFFSET); restore_flags(flags); return ret; } static inline void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { long flags; offset -= 0x20; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET,ISAC_REG_OFFSET+offset); byteout(cs->hw.avm.cfg_reg+DATAREG_OFFSET, value); restore_flags(flags); } static inline void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { long flags; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET,ISAC_FIFO_OFFSET); insb(cs->hw.avm.cfg_reg+DATAREG_OFFSET, data, size); restore_flags(flags); } static inline void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { long flags; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET,ISAC_FIFO_OFFSET); outsb(cs->hw.avm.cfg_reg+DATAREG_OFFSET, data, size); restore_flags(flags); } static inline u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { u_char ret; long flags; offset -= 0x20; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET, HSCX_REG_OFFSET+hscx*HSCX_CH_DIFF+offset); ret = bytein(cs->hw.avm.cfg_reg+DATAREG_OFFSET); restore_flags(flags); return ret; } static inline void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { long flags; offset -= 0x20; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET, HSCX_REG_OFFSET+hscx*HSCX_CH_DIFF+offset); byteout(cs->hw.avm.cfg_reg+DATAREG_OFFSET, value); restore_flags(flags); } static inline void ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size) { long flags; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET, HSCX_FIFO_OFFSET+hscx*HSCX_CH_DIFF); insb(cs->hw.avm.cfg_reg+DATAREG_OFFSET, data, size); restore_flags(flags); } static inline void WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size) { long flags; save_flags(flags); cli(); byteout(cs->hw.avm.cfg_reg+ADDRREG_OFFSET, HSCX_FIFO_OFFSET+hscx*HSCX_CH_DIFF); outsb(cs->hw.avm.cfg_reg+DATAREG_OFFSET, data, size); restore_flags(flags); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg) #define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data) #define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt) #include "hscx_irq.c" static void avm_a1p_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 PCMCIA: Spurious interrupt!\n"); return; } while ((sval = (~bytein(cs->hw.avm.cfg_reg+ASL0_OFFSET) & ASL0_R_IRQPENDING))) { if (cs->debug & L1_DEB_INTSTAT) debugl1(cs, "avm IntStatus %x", sval); if (sval & ASL0_R_HSCX) { val = ReadHSCX(cs, 1, HSCX_ISTA); if (val) hscx_int_main(cs, val); } if (sval & ASL0_R_ISAC) { val = ReadISAC(cs, ISAC_ISTA); if (val) isac_interrupt(cs, val); } } WriteHSCX(cs, 0, HSCX_MASK, 0xff); WriteHSCX(cs, 1, HSCX_MASK, 0xff); WriteISAC(cs, ISAC_MASK, 0xff); WriteISAC(cs, ISAC_MASK, 0x00); WriteHSCX(cs, 0, HSCX_MASK, 0x00); WriteHSCX(cs, 1, HSCX_MASK, 0x00); } static int AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg) { switch (mt) { case CARD_RESET: byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,0x00); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,ASL0_W_RESET); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,0x00); return 0; case CARD_RELEASE: /* free_irq is done in HiSax_closecard(). */ /* free_irq(cs->irq, cs); */ return 0; case CARD_INIT: byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,ASL0_W_TDISABLE|ASL0_W_TRESET|ASL0_W_IRQENABLE); clear_pending_isac_ints(cs); clear_pending_hscx_ints(cs); inithscxisac(cs, 1); inithscxisac(cs, 2); return 0; case CARD_TEST: /* we really don't need it for the PCMCIA Version */ return 0; default: /* all card drivers ignore others, so we do the same */ return 0; } return 0; } __initfunc(int setup_avm_a1_pcmcia(struct IsdnCard *card)) { u_char model, vers; struct IsdnCardState *cs = card->cs; long flags; char tmp[64]; strcpy(tmp, avm_revision); printk(KERN_INFO "HiSax: AVM A1 PCMCIA driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_A1_PCMCIA) return (0); cs->hw.avm.cfg_reg = card->para[1]; cs->irq = card->para[0]; save_flags(flags); outb(cs->hw.avm.cfg_reg+ASL1_OFFSET, ASL1_W_ENABLE_S0); sti(); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,0x00); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,ASL0_W_RESET); HZDELAY(HZ / 5 + 1); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET,0x00); byteout(cs->hw.avm.cfg_reg+ASL0_OFFSET, ASL0_W_TDISABLE|ASL0_W_TRESET); restore_flags(flags); model = bytein(cs->hw.avm.cfg_reg+MODREG_OFFSET); vers = bytein(cs->hw.avm.cfg_reg+VERREG_OFFSET); printk(KERN_INFO "AVM A1 PCMCIA: io 0x%x irq %d model %d version %d\n", cs->hw.avm.cfg_reg, cs->irq, model, vers); 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_a1p_interrupt; ISACVersion(cs, "AVM A1 PCMCIA:"); if (HscxVersion(cs, "AVM A1 PCMCIA:")) { printk(KERN_WARNING "AVM A1 PCMCIA: wrong HSCX versions check IO address\n"); return (0); } return (1); } |