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sys/dev/pci/isic_pci_elsa_qs1p.c
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1 /* $NetBSD: isic_pci_elsa_qs1p.c,v 1.11 2003/05/08 21:18:42 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 *--------------------------------------------------------------------------- 28 * 29 * isic - I4B Siemens ISDN Chipset Driver for ELSA Quickstep 1000pro PCI 30 * ===================================================================== 31 * 32 *---------------------------------------------------------------------------*/ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: isic_pci_elsa_qs1p.c,v 1.11 2003/05/08 21:18:42 martin Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/kernel.h> 39 #include <sys/systm.h> 40 #include <sys/mbuf.h> 41 #include <sys/socket.h> 42 #include <net/if.h> 43 #include <sys/callout.h> 44 45 #include <machine/bus.h> 46 #include <sys/device.h> 47 48 #include <dev/pci/pcireg.h> 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcidevs.h> 51 52 #include <netisdn/i4b_debug.h> 53 #include <netisdn/i4b_ioctl.h> 54 #include <netisdn/i4b_global.h> 55 #include <netisdn/i4b_debug.h> 56 #include <netisdn/i4b_l2.h> 57 #include <netisdn/i4b_l1l2.h> 58 #include <netisdn/i4b_mbuf.h> 59 60 #include <dev/ic/isic_l1.h> 61 #include <dev/ic/isac.h> 62 #include <dev/ic/hscx.h> 63 #include <dev/ic/ipac.h> 64 #include <dev/pci/isic_pci.h> 65 66 /* masks for register encoded in base addr */ 67 68 #define ELSA_BASE_MASK 0x0ffff 69 #define ELSA_OFF_MASK 0xf0000 70 71 /* register id's to be encoded in base addr */ 72 73 #define ELSA_IDISAC 0x00000 74 #define ELSA_IDHSCXA 0x10000 75 #define ELSA_IDHSCXB 0x20000 76 #define ELSA_IDIPAC 0x40000 77 78 /* offsets from base address */ 79 80 #define ELSA_OFF_ALE 0x00 81 #define ELSA_OFF_RW 0x01 82 83 /* LED values */ 84 #define ELSA_NO_LED 0xff 85 #define ELSA_GREEN_LED 0x40 86 #define ELSA_YELLOW_LED 0x80 87 88 #define ELSA_PORT0_MEM_MAPOFF PCI_MAPREG_START 89 #define ELSA_PORT0_IO_MAPOFF PCI_MAPREG_START+4 90 #define ELSA_PORT1_MAPOFF PCI_MAPREG_START+12 91 92 93 static void elsa_cmd_req(struct isic_softc *sc, int cmd, void *data); 94 static void elsa_led_handler(void *token); 95 96 /*---------------------------------------------------------------------------* 97 * ELSA QuickStep 1000pro/PCI ISAC get fifo routine 98 *---------------------------------------------------------------------------*/ 99 100 static void 101 eqs1pp_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size) 102 { 103 bus_space_tag_t t = sc->sc_maps[1].t; 104 bus_space_handle_t h = sc->sc_maps[1].h; 105 switch (what) { 106 case ISIC_WHAT_ISAC: 107 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF); 108 bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size); 109 break; 110 case ISIC_WHAT_HSCXA: 111 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF); 112 bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size); 113 break; 114 case ISIC_WHAT_HSCXB: 115 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF); 116 bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size); 117 break; 118 } 119 } 120 121 /*---------------------------------------------------------------------------* 122 * ELSA QuickStep 1000pro/PCI ISAC put fifo routine 123 *---------------------------------------------------------------------------*/ 124 125 static void 126 eqs1pp_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size) 127 { 128 bus_space_tag_t t = sc->sc_maps[1].t; 129 bus_space_handle_t h = sc->sc_maps[1].h; 130 switch (what) { 131 case ISIC_WHAT_ISAC: 132 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF); 133 bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size); 134 break; 135 case ISIC_WHAT_HSCXA: 136 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF); 137 bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size); 138 break; 139 case ISIC_WHAT_HSCXB: 140 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF); 141 bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size); 142 break; 143 } 144 } 145 146 /*---------------------------------------------------------------------------* 147 * ELSA QuickStep 1000pro/PCI ISAC put register routine 148 *---------------------------------------------------------------------------*/ 149 150 static void 151 eqs1pp_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data) 152 { 153 bus_space_tag_t t = sc->sc_maps[1].t; 154 bus_space_handle_t h = sc->sc_maps[1].h; 155 switch (what) { 156 case ISIC_WHAT_ISAC: 157 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF+offs); 158 bus_space_write_1(t, h, ELSA_OFF_RW, data); 159 break; 160 case ISIC_WHAT_HSCXA: 161 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF+offs); 162 bus_space_write_1(t, h, ELSA_OFF_RW, data); 163 break; 164 case ISIC_WHAT_HSCXB: 165 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF+offs); 166 bus_space_write_1(t, h, ELSA_OFF_RW, data); 167 break; 168 case ISIC_WHAT_IPAC: 169 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_IPAC_OFF+offs); 170 bus_space_write_1(t, h, ELSA_OFF_RW, data); 171 break; 172 } 173 } 174 175 /*---------------------------------------------------------------------------* 176 * ELSA QuickStep 1000pro/PCI ISAC get register routine 177 *---------------------------------------------------------------------------*/ 178 179 static u_int8_t 180 eqs1pp_read_reg(struct isic_softc *sc, int what, bus_size_t offs) 181 { 182 bus_space_tag_t t = sc->sc_maps[1].t; 183 bus_space_handle_t h = sc->sc_maps[1].h; 184 switch (what) { 185 case ISIC_WHAT_ISAC: 186 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF+offs); 187 return bus_space_read_1(t, h, ELSA_OFF_RW); 188 case ISIC_WHAT_HSCXA: 189 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF+offs); 190 return bus_space_read_1(t, h, ELSA_OFF_RW); 191 case ISIC_WHAT_HSCXB: 192 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF+offs); 193 return bus_space_read_1(t, h, ELSA_OFF_RW); 194 case ISIC_WHAT_IPAC: 195 { 196 bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_IPAC_OFF+offs); 197 return bus_space_read_1(t, h, ELSA_OFF_RW); 198 } 199 } 200 201 return 0; 202 } 203 204 /*---------------------------------------------------------------------------* 205 * isic_attach_Eqs1pp - attach for ELSA QuickStep 1000pro/PCI 206 *---------------------------------------------------------------------------*/ 207 208 void 209 isic_attach_Eqs1pp(psc, pa) 210 struct pci_isic_softc *psc; 211 struct pci_attach_args *pa; 212 { 213 struct isic_softc *sc = &psc->sc_isic; 214 215 /* setup io mappings */ 216 sc->sc_num_mappings = 2; 217 MALLOC_MAPS(sc); 218 sc->sc_maps[0].size = 0; 219 if (pci_mapreg_map(pa, ELSA_PORT0_MEM_MAPOFF, PCI_MAPREG_TYPE_MEM, 0, 220 &sc->sc_maps[0].t, &sc->sc_maps[0].h, &psc->sc_base, &psc->sc_size) != 0 221 && pci_mapreg_map(pa, ELSA_PORT0_IO_MAPOFF, PCI_MAPREG_TYPE_IO, 0, 222 &sc->sc_maps[0].t, &sc->sc_maps[0].h, &psc->sc_base, &psc->sc_size) != 0) { 223 printf("%s: can't map card registers\n", sc->sc_dev.dv_xname); 224 return; 225 } 226 227 /* PLX9050 Errata #1 */ 228 if (PCI_REVISION(pa->pa_class) == 1 && psc->sc_base & 0x00000080) { 229 #ifdef DEBUG 230 printf("%s: no LCR access\n", sc->sc_dev.dv_xname); 231 #endif 232 } else 233 psc->flags |= PCIISIC_LCROK; 234 235 sc->sc_maps[1].size = 0; 236 if (pci_mapreg_map(pa, ELSA_PORT1_MAPOFF, PCI_MAPREG_TYPE_IO, 0, 237 &sc->sc_maps[1].t, &sc->sc_maps[1].h, NULL, NULL)) { 238 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 239 return; 240 } 241 242 /* setup access routines */ 243 244 sc->clearirq = NULL; 245 sc->readreg = eqs1pp_read_reg; 246 sc->writereg = eqs1pp_write_reg; 247 248 sc->readfifo = eqs1pp_read_fifo; 249 sc->writefifo = eqs1pp_write_fifo; 250 251 sc->drv_command = elsa_cmd_req; 252 253 /* setup card type */ 254 255 sc->sc_cardtyp = CARD_TYPEP_ELSAQS1PCI; 256 257 /* setup IOM bus type */ 258 259 sc->sc_bustyp = BUS_TYPE_IOM2; 260 261 /* setup chip type = IPAC ! */ 262 263 sc->sc_ipac = 1; 264 sc->sc_bfifolen = IPAC_BFIFO_LEN; 265 266 IPAC_WRITE(IPAC_ACFG, 0); /* outputs are open drain */ 267 IPAC_WRITE(IPAC_AOE, /* aux 5..2 are inputs, 7, 6 outputs */ 268 (IPAC_AOE_OE5 | IPAC_AOE_OE4 | IPAC_AOE_OE3 | IPAC_AOE_OE2)); 269 IPAC_WRITE(IPAC_ATX, ELSA_NO_LED); /* set all output lines high */ 270 callout_init(&((struct pci_isic_softc *)sc)->ledcallout); 271 272 /* disable any interrupts */ 273 IPAC_WRITE(IPAC_MASK, 0xff); 274 bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, 0x4c, 0x01); 275 } 276 277 int 278 isic_intr_qs1p(vsc) 279 void *vsc; 280 { 281 struct pci_isic_softc *psc = vsc; 282 struct isic_softc *sc = &psc->sc_isic; 283 u_int32_t intcsr; 284 285 /* 286 * if we are not hit by the PLX bug we can try a shortcut 287 * (should improve speed for shared IRQs) 288 */ 289 if (psc->flags & PCIISIC_LCROK) { 290 intcsr = bus_space_read_4(sc->sc_maps[0].t, sc->sc_maps[0].h, 291 0x4c /* INTCSR */); 292 if (!(intcsr & 0x4 /* LINTi1STAT */)) 293 return (0); 294 } 295 296 return (isicintr(sc)); 297 } 298 299 static void 300 elsa_cmd_req(struct isic_softc *sc, int cmd, void *data) 301 { 302 intptr_t v; 303 int s; 304 struct pci_isic_softc *psc = (struct pci_isic_softc *)sc; 305 306 switch (cmd) { 307 case CMR_DOPEN: 308 s = splnet(); 309 /* enable hscx/isac irq's */ 310 IPAC_WRITE(IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0)); 311 /* enable card interrupt */ 312 bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, 0x4c, 0x41); 313 splx(s); 314 break; 315 case CMR_DCLOSE: 316 s = splnet(); 317 callout_stop(&psc->ledcallout); 318 IPAC_WRITE(IPAC_ATX, ELSA_NO_LED); 319 IPAC_WRITE(IPAC_MASK, 0xff); 320 bus_space_write_1(sc->sc_maps[0].t, sc->sc_maps[0].h, 0x4c, 0x01); 321 splx(s); 322 break; 323 case CMR_SETLEDS: 324 v = (intptr_t)data; 325 callout_stop(&psc->ledcallout); 326 327 /* the magic value and keep reset off */ 328 psc->ledstat = ELSA_NO_LED; 329 psc->ledblinkmask = 0; 330 psc->ledblinkfreq = 0; 331 332 /* now see what LEDs we want to add */ 333 if (v & CMRLEDS_TEI) 334 psc->ledstat &= ~ELSA_GREEN_LED; 335 336 if (v & (CMRLEDS_B0|CMRLEDS_B1)) { 337 psc->ledstat &= ~ELSA_YELLOW_LED; 338 psc->ledblinkmask |= ELSA_YELLOW_LED; 339 if ((v & (CMRLEDS_B0|CMRLEDS_B1)) 340 == (CMRLEDS_B0|CMRLEDS_B1)) 341 psc->ledblinkfreq = hz/4; 342 else 343 psc->ledblinkfreq = hz; 344 } 345 346 elsa_led_handler(psc); 347 break; 348 } 349 } 350 351 static void 352 elsa_led_handler(void *token) 353 { 354 struct pci_isic_softc *psc = token; 355 struct isic_softc *sc = token; /* XXX */ 356 int s; 357 358 s = splnet(); 359 IPAC_WRITE(IPAC_ATX, psc->ledstat); 360 splx(s); 361 if (psc->ledblinkfreq) { 362 psc->ledstat ^= psc->ledblinkmask; 363 callout_reset(&psc->ledcallout, psc->ledblinkfreq, 364 elsa_led_handler, psc); 365 } 366 }
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