File:  [DragonFly] / src / sys / net / i4b / capi / iavc / iavc_pci.c
Revision 1.5: download - view: text, annotated - select for diffs
Fri Apr 16 15:40:21 2004 UTC (10 years, 3 months ago) by joerg
Branches: MAIN
CVS tags: HEAD, DragonFly_Stable, DragonFly_Snap29Sep2004, DragonFly_Snap13Sep2004, DragonFly_RELEASE_1_2_Slip, DragonFly_RELEASE_1_2, DragonFly_1_0_REL, DragonFly_1_0_RC1, DragonFly_1_0A_REL
Merge changes from FreeBSD 5:
- remove dependency on device counting
- undo massive inlining on iavc

    1: /*
    2:  * Copyright (c) 2001 Cubical Solutions Ltd. All rights reserved.
    3:  *
    4:  * Redistribution and use in source and binary forms, with or without
    5:  * modification, are permitted provided that the following conditions
    6:  * are met:
    7:  * 1. Redistributions of source code must retain the above copyright
    8:  *    notice, this list of conditions and the following disclaimer.
    9:  * 2. Redistributions in binary form must reproduce the above copyright
   10:  *    notice, this list of conditions and the following disclaimer in the
   11:  *    documentation and/or other materials provided with the distribution.
   12:  *
   13:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23:  * SUCH DAMAGE.
   24:  *
   25:  * capi/iavc/iavc_pci.c
   26:  *		The AVM ISDN controllers' PCI bus attachment handling.
   27:  *
   28:  * $FreeBSD: src/sys/i4b/capi/iavc/iavc_pci.c,v 1.1.2.1 2001/08/10 14:08:34 obrien Exp $
   29:  * $DragonFly: src/sys/net/i4b/capi/iavc/iavc_pci.c,v 1.5 2004/04/16 15:40:21 joerg Exp $
   30:  */
   31: 
   32: #include <sys/param.h>
   33: #include <sys/kernel.h>
   34: #include <sys/systm.h>
   35: #include <sys/mbuf.h>
   36: #include <sys/socket.h>
   37: #include <net/if.h>
   38: 
   39: #include <machine/clock.h>
   40: 
   41: #include <machine/bus.h>
   42: #include <machine/resource.h>
   43: #include <sys/bus.h>
   44: #include <sys/rman.h>
   45: #include <vm/vm.h>
   46: #include <vm/pmap.h>
   47: 
   48: #include <bus/pci/pcireg.h>
   49: #include <bus/pci/pcivar.h>
   50: 
   51: #include <net/i4b/include/machine/i4b_debug.h>
   52: #include <net/i4b/include/machine/i4b_ioctl.h>
   53: #include <net/i4b/include/machine/i4b_trace.h>
   54: 
   55: #include "../../include/i4b_global.h"
   56: #include "../../include/i4b_l3l4.h"
   57: #include "../../include/i4b_mbuf.h"
   58: #include "../capi.h"
   59: 
   60: #include "iavc.h"
   61: 
   62: /* PCI device ids */
   63: 
   64: #define PCI_AVM_VID   0x1244
   65: #define PCI_AVMT1_DID 0x1200
   66: #define PCI_AVMB1_DID 0x0700
   67: 
   68: /* PCI driver linkage */
   69: 
   70: static void iavc_pci_intr(iavc_softc_t *sc);
   71: static int iavc_pci_probe(device_t dev);
   72: static int iavc_pci_attach(device_t dev);
   73: 
   74: static device_method_t iavc_pci_methods[] =
   75: {
   76:     DEVMETHOD(device_probe,	iavc_pci_probe),
   77:     DEVMETHOD(device_attach,	iavc_pci_attach),
   78:     { 0, 0 }
   79: };
   80: 
   81: static driver_t iavc_pci_driver =
   82: {
   83:     "iavc",
   84:     iavc_pci_methods,
   85:     0
   86: };
   87: 
   88: static devclass_t iavc_pci_devclass;
   89: 
   90: DRIVER_MODULE(iavc, pci, iavc_pci_driver, iavc_pci_devclass, 0, 0);
   91: 
   92: /* Driver soft contexts */
   93: 
   94: iavc_softc_t iavc_sc[IAVC_MAXUNIT];
   95: 
   96: /*---------------------------------------------------------------------------*
   97:  *
   98:  *---------------------------------------------------------------------------*/
   99: 
  100: static int
  101: iavc_pci_probe(device_t dev)
  102: {
  103:     u_int16_t did = pci_get_device(dev);
  104:     u_int16_t vid = pci_get_vendor(dev);
  105: 
  106:     if ((vid == PCI_AVM_VID) && (did == PCI_AVMT1_DID)) {
  107: 	device_set_desc(dev, "AVM T1 PCI");
  108:     } else if ((vid == PCI_AVM_VID) && (did == PCI_AVMB1_DID)) {
  109: 	device_set_desc(dev, "AVM B1 PCI");
  110:     } else {
  111: 	return(ENXIO);
  112:     }
  113: 
  114:     return(0);
  115: }
  116: 
  117: /*---------------------------------------------------------------------------*
  118:  *
  119:  *---------------------------------------------------------------------------*/
  120: 
  121: static int
  122: iavc_pci_attach(device_t dev)
  123: {
  124:     struct iavc_softc *sc;
  125:     void *ih = 0;
  126:     u_int16_t did = pci_get_device(dev);
  127:     int unit = device_get_unit(dev), ret;
  128: 	
  129:     /* check max unit range */
  130: 	
  131:     if (unit >= IAVC_MAXUNIT) {
  132: 	printf("iavc%d: too many units\n", unit);
  133: 	return(ENXIO);	
  134:     }	
  135: 
  136:     sc = iavc_find_sc(unit);	/* get softc */	
  137: 	
  138:     sc->sc_unit = unit;
  139: 
  140:     /* use the i/o mapped base address */
  141: 	
  142:     sc->sc_resources.io_rid[0] = 0x14;
  143: 	
  144:     if (!(sc->sc_resources.io_base[0] =
  145: 	 bus_alloc_resource(dev, SYS_RES_IOPORT,
  146: 			    &sc->sc_resources.io_rid[0],
  147: 			    0UL, ~0UL, 1, RF_ACTIVE))) {
  148: 	printf("iavc%d: can't allocate io region\n", unit);
  149: 	return(ENXIO);                                       
  150:     }
  151: 
  152:     sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
  153:     sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
  154:     sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
  155: 
  156:     /* use the memory mapped DMA controller */
  157: 	
  158:     sc->sc_resources.mem_rid = 0x10;
  159: 	
  160:     if (!(sc->sc_resources.mem =
  161: 	 bus_alloc_resource(dev, SYS_RES_MEMORY,
  162: 			    &sc->sc_resources.mem_rid,
  163: 			    0UL, ~0UL, 1, RF_ACTIVE))) {
  164: 	printf("iavc%d: can't allocate memory region\n", unit);
  165: 	return(ENXIO);                                       
  166:     }
  167: 
  168:     sc->sc_membase = rman_get_start(sc->sc_resources.mem);
  169:     sc->sc_mem_bt = rman_get_bustag(sc->sc_resources.mem);
  170:     sc->sc_mem_bh = rman_get_bushandle(sc->sc_resources.mem);
  171: 
  172:     /* do some detection */
  173: 
  174:     sc->sc_t1 = FALSE;
  175:     sc->sc_dma = FALSE;
  176:     b1dma_reset(sc);
  177: 
  178:     if (did == PCI_AVMT1_DID) {
  179: 	sc->sc_capi.card_type = CARD_TYPEC_AVM_T1_PCI;
  180: 	sc->sc_capi.sc_nbch = 30;
  181: 	ret = t1_detect(sc);
  182: 	if (ret) {
  183: 	    if (ret < 6) {
  184: 		printf("iavc%d: no card detected?\n", sc->sc_unit);
  185: 	    } else {
  186: 		printf("iavc%d: black box not on\n", sc->sc_unit);
  187: 	    }
  188: 	    return(ENXIO);
  189: 	} else {
  190: 	    sc->sc_dma = TRUE;
  191: 	    sc->sc_t1 = TRUE;
  192: 	}
  193: 
  194:     } else if (did == PCI_AVMB1_DID) {
  195: 	sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_PCI;
  196: 	sc->sc_capi.sc_nbch = 2;
  197: 	ret = b1dma_detect(sc);
  198: 	if (ret) {
  199: 	    ret = b1_detect(sc);
  200: 	    if (ret) {
  201: 		printf("iavc%d: no card detected?\n", sc->sc_unit);
  202: 		return(ENXIO);
  203: 	    }
  204: 	} else {
  205: 	    sc->sc_dma = TRUE;
  206: 	}
  207:     }
  208: 
  209:     if (sc->sc_dma) b1dma_reset(sc);
  210: #if 0
  211:     if (sc->sc_t1) t1_reset(sc);
  212:     else b1_reset(sc);
  213: #endif
  214: 
  215:     /* of course we need an interrupt */
  216:     
  217:     sc->sc_resources.irq_rid = 0x00;
  218: 	
  219:     if(!(sc->sc_resources.irq =
  220: 	 bus_alloc_resource(dev, SYS_RES_IRQ,
  221: 			    &sc->sc_resources.irq_rid,
  222: 			    0UL, ~0UL, 1, RF_SHAREABLE|RF_ACTIVE))) {
  223: 	printf("iavc%d: can't allocate irq\n",unit);
  224: 	return(ENXIO);
  225:     }
  226: 
  227:     /* finalize our own context */
  228: 
  229:     memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
  230:     sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
  231: 
  232: #if defined (__FreeBSD__) && __FreeBSD__ > 4
  233:     mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_pci", MTX_DEF);
  234: #endif
  235:     
  236:     sc->sc_intr = FALSE;
  237:     sc->sc_state = IAVC_DOWN;
  238:     sc->sc_blocked = FALSE;
  239: 
  240:     /* setup capi link */
  241: 	
  242:     sc->sc_capi.load = iavc_load;
  243:     sc->sc_capi.reg_appl = iavc_register;
  244:     sc->sc_capi.rel_appl = iavc_release;
  245:     sc->sc_capi.send = iavc_send;
  246:     sc->sc_capi.ctx = (void*) sc;
  247: 
  248:     if (capi_ll_attach(&sc->sc_capi)) {
  249: 	printf("iavc%d: capi attach failed\n", unit);
  250: 	return(ENXIO);
  251:     }
  252: 
  253:     /* setup the interrupt */
  254: 
  255:     if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
  256: 		      (void(*)(void*))iavc_pci_intr,
  257: 		      sc, &ih)) {
  258: 	printf("iavc%d: irq setup failed\n", unit);
  259: 	return(ENXIO);
  260:     }
  261: 
  262:     /* the board is now ready to be loaded */
  263: 
  264:     return(0);
  265: }
  266: 
  267: /*---------------------------------------------------------------------------*
  268:  *	IRQ handler
  269:  *---------------------------------------------------------------------------*/
  270: 
  271: static void
  272: iavc_pci_intr(struct iavc_softc *sc)
  273: {
  274:     iavc_handle_intr(sc);
  275: }