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ifpga_pci.c revision 1.18.6.2
      1  1.18.6.2     skrll /*	$NetBSD: ifpga_pci.c,v 1.18.6.2 2017/08/28 17:51:35 skrll Exp $	*/
      2       1.1  rearnsha 
      3       1.1  rearnsha /*
      4       1.1  rearnsha  * Copyright (c) 2001 ARM Ltd
      5       1.1  rearnsha  * All rights reserved.
      6       1.1  rearnsha  *
      7       1.1  rearnsha  * Redistribution and use in source and binary forms, with or without
      8       1.1  rearnsha  * modification, are permitted provided that the following conditions
      9       1.1  rearnsha  * are met:
     10       1.1  rearnsha  * 1. Redistributions of source code must retain the above copyright
     11       1.1  rearnsha  *    notice, this list of conditions and the following disclaimer.
     12       1.1  rearnsha  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1  rearnsha  *    notice, this list of conditions and the following disclaimer in the
     14       1.1  rearnsha  *    documentation and/or other materials provided with the distribution.
     15       1.1  rearnsha  * 3. The name of the company may not be used to endorse or promote
     16       1.1  rearnsha  *    products derived from this software without specific prior written
     17       1.1  rearnsha  *    permission.
     18       1.1  rearnsha  *
     19       1.1  rearnsha  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     20       1.1  rearnsha  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     21       1.1  rearnsha  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22       1.1  rearnsha  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     23       1.1  rearnsha  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24       1.1  rearnsha  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     25       1.1  rearnsha  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26       1.1  rearnsha  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27       1.1  rearnsha  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28       1.1  rearnsha  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29       1.1  rearnsha  * SUCH DAMAGE.
     30       1.1  rearnsha  *
     31       1.1  rearnsha  * Copyright (c) 1997,1998 Mark Brinicombe.
     32       1.1  rearnsha  * Copyright (c) 1997,1998 Causality Limited
     33       1.1  rearnsha  * All rights reserved.
     34       1.1  rearnsha  *
     35       1.1  rearnsha  * Redistribution and use in source and binary forms, with or without
     36       1.1  rearnsha  * modification, are permitted provided that the following conditions
     37       1.1  rearnsha  * are met:
     38       1.1  rearnsha  * 1. Redistributions of source code must retain the above copyright
     39       1.1  rearnsha  *    notice, this list of conditions and the following disclaimer.
     40       1.1  rearnsha  * 2. Redistributions in binary form must reproduce the above copyright
     41       1.1  rearnsha  *    notice, this list of conditions and the following disclaimer in the
     42       1.1  rearnsha  *    documentation and/or other materials provided with the distribution.
     43       1.1  rearnsha  * 3. All advertising materials mentioning features or use of this software
     44       1.1  rearnsha  *    must display the following acknowledgement:
     45       1.1  rearnsha  *	This product includes software developed by Mark Brinicombe
     46       1.1  rearnsha  *	for the NetBSD Project.
     47       1.1  rearnsha  * 4. The name of the company nor the name of the author may be used to
     48       1.1  rearnsha  *    endorse or promote products derived from this software without specific
     49       1.1  rearnsha  *    prior written permission.
     50       1.1  rearnsha  *
     51       1.1  rearnsha  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     52       1.1  rearnsha  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     53       1.1  rearnsha  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     54       1.1  rearnsha  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     55       1.1  rearnsha  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     56       1.1  rearnsha  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     57       1.1  rearnsha  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     58       1.1  rearnsha  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     59       1.1  rearnsha  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     60       1.1  rearnsha  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     61       1.1  rearnsha  * SUCH DAMAGE.
     62       1.1  rearnsha  */
     63       1.6     lukem 
     64       1.8  rearnsha #define _ARM32_BUS_DMA_PRIVATE
     65       1.8  rearnsha 
     66       1.6     lukem #include <sys/cdefs.h>
     67  1.18.6.2     skrll __KERNEL_RCSID(0, "$NetBSD: ifpga_pci.c,v 1.18.6.2 2017/08/28 17:51:35 skrll Exp $");
     68       1.1  rearnsha 
     69       1.1  rearnsha #include <sys/param.h>
     70       1.1  rearnsha #include <sys/systm.h>
     71       1.1  rearnsha #include <sys/conf.h>
     72       1.1  rearnsha #include <sys/malloc.h>
     73       1.1  rearnsha #include <sys/device.h>
     74       1.1  rearnsha 
     75       1.1  rearnsha #include <evbarm/integrator/int_bus_dma.h>
     76       1.1  rearnsha 
     77       1.1  rearnsha #include <machine/intr.h>
     78       1.1  rearnsha 
     79       1.1  rearnsha #include <dev/pci/pcireg.h>
     80       1.1  rearnsha #include <dev/pci/pcivar.h>
     81       1.1  rearnsha 
     82       1.1  rearnsha #include <evbarm/ifpga/ifpgareg.h>
     83       1.1  rearnsha #include <evbarm/ifpga/ifpgamem.h>
     84       1.1  rearnsha #include <evbarm/ifpga/ifpga_pcivar.h>
     85       1.1  rearnsha #include <evbarm/dev/v360reg.h>
     86       1.1  rearnsha 
     87       1.1  rearnsha 
     88      1.13    dyoung void		ifpga_pci_attach_hook (device_t, device_t,
     89       1.1  rearnsha 		    struct pcibus_attach_args *);
     90       1.1  rearnsha int		ifpga_pci_bus_maxdevs (void *, int);
     91       1.1  rearnsha pcitag_t	ifpga_pci_make_tag (void *, int, int, int);
     92       1.1  rearnsha void		ifpga_pci_decompose_tag (void *, pcitag_t, int *, int *,
     93       1.1  rearnsha 		    int *);
     94       1.1  rearnsha pcireg_t	ifpga_pci_conf_read (void *, pcitag_t, int);
     95       1.1  rearnsha void		ifpga_pci_conf_write (void *, pcitag_t, int, pcireg_t);
     96      1.14    dyoung int		ifpga_pci_intr_map (const struct pci_attach_args *,
     97       1.1  rearnsha 		    pci_intr_handle_t *);
     98      1.18  christos const char	*ifpga_pci_intr_string (void *, pci_intr_handle_t, char *, size_t);
     99       1.1  rearnsha const struct evcnt *ifpga_pci_intr_evcnt (void *, pci_intr_handle_t);
    100       1.1  rearnsha void		*ifpga_pci_intr_establish (void *, pci_intr_handle_t, int,
    101       1.1  rearnsha 		    int (*)(void *), void *);
    102       1.1  rearnsha void		ifpga_pci_intr_disestablish (void *, void *);
    103       1.1  rearnsha 
    104       1.1  rearnsha struct arm32_pci_chipset ifpga_pci_chipset = {
    105       1.1  rearnsha 	NULL,	/* conf_v */
    106       1.1  rearnsha 	ifpga_pci_attach_hook,
    107       1.1  rearnsha 	ifpga_pci_bus_maxdevs,
    108       1.1  rearnsha 	ifpga_pci_make_tag,
    109       1.1  rearnsha 	ifpga_pci_decompose_tag,
    110       1.1  rearnsha 	ifpga_pci_conf_read,
    111       1.1  rearnsha 	ifpga_pci_conf_write,
    112       1.1  rearnsha 	NULL,	/* intr_v */
    113       1.1  rearnsha 	ifpga_pci_intr_map,
    114       1.1  rearnsha 	ifpga_pci_intr_string,
    115       1.1  rearnsha 	ifpga_pci_intr_evcnt,
    116  1.18.6.2     skrll 	NULL,	/* intr_setattr */
    117       1.1  rearnsha 	ifpga_pci_intr_establish,
    118      1.15      matt 	ifpga_pci_intr_disestablish,
    119      1.15      matt #ifdef __HAVE_PCI_CONF_HOOK
    120      1.15      matt 	NULL,
    121      1.15      matt #endif
    122      1.15      matt 	ifpga_pci_conf_interrupt,
    123       1.1  rearnsha };
    124       1.1  rearnsha 
    125       1.1  rearnsha /*
    126       1.1  rearnsha  * Use the integrator-specific bus_dma routines.
    127       1.1  rearnsha  */
    128       1.1  rearnsha struct arm32_bus_dma_tag ifpga_pci_bus_dma_tag = {
    129       1.1  rearnsha 	0,
    130       1.1  rearnsha 	0,
    131       1.7        he 	NULL,
    132       1.1  rearnsha 	_bus_dmamap_create,
    133       1.1  rearnsha 	_bus_dmamap_destroy,
    134       1.3   thorpej 	_bus_dmamap_load,
    135       1.3   thorpej 	_bus_dmamap_load_mbuf,
    136       1.3   thorpej 	_bus_dmamap_load_uio,
    137       1.1  rearnsha 	_bus_dmamap_load_raw,
    138       1.1  rearnsha 	_bus_dmamap_unload,
    139       1.4   thorpej 	_bus_dmamap_sync,	/* pre */
    140       1.4   thorpej 	NULL,			/* post */
    141       1.3   thorpej 	_bus_dmamem_alloc,
    142       1.3   thorpej 	_bus_dmamem_free,
    143       1.3   thorpej 	_bus_dmamem_map,
    144       1.1  rearnsha 	_bus_dmamem_unmap,
    145       1.3   thorpej 	_bus_dmamem_mmap,
    146       1.1  rearnsha };
    147       1.1  rearnsha 
    148       1.1  rearnsha /*
    149       1.1  rearnsha  * Currently we only support 12 devices as we select directly in the
    150       1.1  rearnsha  * type 0 config cycle
    151       1.1  rearnsha  * (See conf_{read,write} for more detail
    152       1.1  rearnsha  */
    153       1.1  rearnsha #define MAX_PCI_DEVICES	21
    154       1.1  rearnsha 
    155       1.1  rearnsha /*static int
    156       1.1  rearnsha pci_intr(void *arg)
    157       1.1  rearnsha {
    158       1.1  rearnsha 	printf("pci int %x\n", (int)arg);
    159       1.1  rearnsha 	return 0;
    160       1.1  rearnsha }*/
    161       1.1  rearnsha 
    162       1.1  rearnsha 
    163       1.1  rearnsha void
    164      1.13    dyoung ifpga_pci_attach_hook(device_t parent, device_t self,
    165       1.1  rearnsha     struct pcibus_attach_args *pba)
    166       1.1  rearnsha {
    167       1.1  rearnsha #ifdef PCI_DEBUG
    168       1.1  rearnsha 	printf("ifpga_pci_attach_hook()\n");
    169       1.1  rearnsha #endif
    170       1.1  rearnsha }
    171       1.1  rearnsha 
    172       1.1  rearnsha int
    173       1.1  rearnsha ifpga_pci_bus_maxdevs(void *pcv, int busno)
    174       1.1  rearnsha {
    175       1.1  rearnsha #ifdef PCI_DEBUG
    176       1.1  rearnsha 	printf("ifpga_pci_bus_maxdevs(pcv=%p, busno=%d)\n", pcv, busno);
    177       1.1  rearnsha #endif
    178       1.1  rearnsha 	return MAX_PCI_DEVICES;
    179       1.1  rearnsha }
    180       1.1  rearnsha 
    181       1.1  rearnsha pcitag_t
    182       1.1  rearnsha ifpga_pci_make_tag(void *pcv, int bus, int device, int function)
    183       1.1  rearnsha {
    184       1.1  rearnsha #ifdef PCI_DEBUG
    185       1.1  rearnsha 	printf("ifpga_pci_make_tag(pcv=%p, bus=%d, device=%d, function=%d)\n",
    186       1.1  rearnsha 	    pcv, bus, device, function);
    187       1.1  rearnsha #endif
    188       1.1  rearnsha 	return (bus << 16) | (device << 11) | (function << 8);
    189       1.1  rearnsha }
    190       1.1  rearnsha 
    191       1.1  rearnsha void
    192       1.1  rearnsha ifpga_pci_decompose_tag(void *pcv, pcitag_t tag, int *busp, int *devicep,
    193       1.1  rearnsha     int *functionp)
    194       1.1  rearnsha {
    195       1.1  rearnsha #ifdef PCI_DEBUG
    196       1.1  rearnsha 	printf("ifpga_pci_decompose_tag(pcv=%p, tag=0x%08lx, bp=%p, dp=%p, "
    197       1.1  rearnsha 	    "fp=%p)\n", pcv, tag, busp, devicep, functionp);
    198       1.1  rearnsha #endif
    199       1.1  rearnsha 
    200       1.1  rearnsha 	if (busp != NULL)
    201       1.1  rearnsha 		*busp = (tag >> 16) & 0xff;
    202       1.1  rearnsha 	if (devicep != NULL)
    203       1.1  rearnsha 		*devicep = (tag >> 11) & 0x1f;
    204       1.1  rearnsha 	if (functionp != NULL)
    205       1.1  rearnsha 		*functionp = (tag >> 8) & 0x7;
    206       1.1  rearnsha }
    207       1.1  rearnsha 
    208       1.1  rearnsha pcireg_t
    209       1.1  rearnsha ifpga_pci_conf_read(void *pcv, pcitag_t tag, int reg)
    210       1.1  rearnsha {
    211       1.1  rearnsha 	pcireg_t data;
    212       1.1  rearnsha 	struct ifpga_pci_softc *sc = (struct ifpga_pci_softc *)pcv;
    213       1.1  rearnsha 	int bus, device, function;
    214       1.1  rearnsha 	u_int address;
    215       1.1  rearnsha 
    216  1.18.6.1     skrll 	if ((unsigned int)reg >= PCI_CONF_SIZE)
    217  1.18.6.1     skrll 		return (pcireg_t) -1;
    218  1.18.6.1     skrll 
    219       1.1  rearnsha 	ifpga_pci_decompose_tag(pcv, tag, &bus, &device, &function);
    220       1.1  rearnsha 
    221       1.1  rearnsha 	/* Reset the appertures so that we can talk to the register space.  */
    222       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE0,
    223       1.1  rearnsha 	    IFPGA_PCI_APP0_512MB_BASE);
    224       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE1,
    225       1.1  rearnsha 	    IFPGA_PCI_APP1_CONF_BASE);
    226       1.1  rearnsha 
    227       1.1  rearnsha 	if (bus == 0) {
    228       1.1  rearnsha 		address = (1 << (device + 11)) | reg;
    229       1.1  rearnsha 		bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    230       1.1  rearnsha 		    IFPGA_PCI_APP1_CONF_T0_MAP | ((address >> 16) & 0xff00));
    231       1.1  rearnsha 
    232       1.1  rearnsha 		/* Read the value from the bus...  */
    233       1.1  rearnsha 		data = bus_space_read_4(sc->sc_iot, sc->sc_conf_ioh,
    234       1.1  rearnsha 		    address & 0x00ffffff);
    235       1.1  rearnsha 
    236       1.1  rearnsha 	} else {
    237       1.1  rearnsha 		bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    238       1.1  rearnsha 		    IFPGA_PCI_APP1_CONF_T1_MAP);
    239       1.1  rearnsha 
    240       1.1  rearnsha 		/* Read the value from the bus... */
    241       1.1  rearnsha 		data = bus_space_read_4(sc->sc_iot, sc->sc_conf_ioh,
    242       1.1  rearnsha 		    tag | reg);
    243       1.1  rearnsha 	}
    244       1.1  rearnsha 	/* ... and put the memory spaces back again.  */
    245       1.1  rearnsha 
    246       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE1,
    247       1.1  rearnsha 	    IFPGA_PCI_APP1_256MB_BASE);
    248       1.1  rearnsha 	bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    249       1.1  rearnsha 	    IFPGA_PCI_APP1_256MB_MAP);
    250       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE0,
    251       1.1  rearnsha 	    IFPGA_PCI_APP0_256MB_BASE);
    252       1.1  rearnsha #ifdef PCI_DEBUG
    253       1.1  rearnsha 	printf("ifpga_pci_conf_read(pcv=%p tag=0x%08lx reg=0x%02x)=0x%08x\n",
    254       1.1  rearnsha 	    pcv, tag, reg, data);
    255       1.1  rearnsha #endif
    256       1.1  rearnsha 	return data;
    257       1.1  rearnsha }
    258       1.1  rearnsha 
    259       1.1  rearnsha void
    260       1.1  rearnsha ifpga_pci_conf_write(void *pcv, pcitag_t tag, int reg, pcireg_t data)
    261       1.1  rearnsha {
    262       1.1  rearnsha 	struct ifpga_pci_softc *sc = (struct ifpga_pci_softc *)pcv;
    263       1.1  rearnsha 	int bus, device, function;
    264       1.1  rearnsha 	u_int address;
    265       1.1  rearnsha 
    266       1.1  rearnsha #ifdef PCI_DEBUG
    267       1.1  rearnsha 	printf("ifpga_pci_conf_write(pcv=%p tag=0x%08lx reg=0x%02x, 0x%08x)\n",
    268       1.1  rearnsha 	    pcv, tag, reg, data);
    269       1.1  rearnsha #endif
    270       1.1  rearnsha 
    271  1.18.6.1     skrll 	if ((unsigned int)reg >= PCI_CONF_SIZE)
    272  1.18.6.1     skrll 		return;
    273  1.18.6.1     skrll 
    274       1.1  rearnsha 	ifpga_pci_decompose_tag(pcv, tag, &bus, &device, &function);
    275       1.1  rearnsha 
    276       1.1  rearnsha 	/* Reset the appertures so that we can talk to the register space.  */
    277       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE0,
    278       1.1  rearnsha 	    IFPGA_PCI_APP0_512MB_BASE);
    279       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE1,
    280       1.1  rearnsha 	    IFPGA_PCI_APP1_CONF_BASE);
    281       1.1  rearnsha 
    282       1.1  rearnsha 	if (bus == 0) {
    283       1.1  rearnsha 		address = (1 << (device + 11)) | reg;
    284       1.1  rearnsha 		bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    285       1.1  rearnsha 		    IFPGA_PCI_APP1_CONF_T0_MAP | ((address >> 16) & 0xff00));
    286       1.1  rearnsha 
    287      1.10  rearnsha 		/* Write the value to the bus...  */
    288       1.1  rearnsha 		bus_space_write_4(sc->sc_iot, sc->sc_conf_ioh,
    289       1.1  rearnsha 		    address & 0x00ffffff, data);
    290       1.1  rearnsha 
    291       1.1  rearnsha 	} else {
    292       1.1  rearnsha 		bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    293       1.1  rearnsha 		    IFPGA_PCI_APP1_CONF_T1_MAP);
    294       1.1  rearnsha 
    295      1.10  rearnsha 		/* Write the value to the bus... */
    296       1.1  rearnsha 		bus_space_write_4(sc->sc_iot, sc->sc_conf_ioh, tag | reg,
    297       1.1  rearnsha 		    data);
    298       1.1  rearnsha 	}
    299       1.1  rearnsha 	/* ... and put the memory spaces back again.  */
    300       1.1  rearnsha 
    301       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE1,
    302       1.1  rearnsha 	    IFPGA_PCI_APP1_256MB_BASE);
    303       1.1  rearnsha 	bus_space_write_2(sc->sc_memt, sc->sc_reg_ioh, V360_LB_MAP1,
    304       1.1  rearnsha 	    IFPGA_PCI_APP1_256MB_MAP);
    305       1.1  rearnsha 	bus_space_write_4(sc->sc_memt, sc->sc_reg_ioh, V360_LB_BASE0,
    306       1.1  rearnsha 	    IFPGA_PCI_APP0_256MB_BASE);
    307       1.1  rearnsha }
    308       1.1  rearnsha 
    309       1.1  rearnsha int
    310      1.14    dyoung ifpga_pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
    311       1.1  rearnsha {
    312       1.1  rearnsha 	int line = pa->pa_intrline;
    313       1.1  rearnsha 
    314       1.1  rearnsha #ifdef PCI_DEBUG
    315       1.1  rearnsha 	int pin = pa->pa_intrpin;
    316       1.1  rearnsha 	void *pcv = pa->pa_pc;
    317       1.1  rearnsha 	pcitag_t intrtag = pa->pa_intrtag;
    318       1.1  rearnsha 	int bus, device, function;
    319       1.1  rearnsha 
    320       1.1  rearnsha 	ifpga_pci_decompose_tag(pcv, intrtag, &bus, &device, &function);
    321       1.1  rearnsha 	printf("ifpga_pci_intr_map: pcv=%p, tag=%08lx pin=%d line=%d "
    322       1.1  rearnsha 	    "dev=%d\n", pcv, intrtag, pin, line, device);
    323       1.1  rearnsha #endif
    324       1.1  rearnsha 
    325       1.1  rearnsha 
    326       1.1  rearnsha #ifdef PCI_DEBUG
    327       1.1  rearnsha 	printf("pin %d, line %d mapped to int %d\n", pin, line, line);
    328       1.1  rearnsha #endif
    329       1.1  rearnsha 
    330       1.1  rearnsha 	*ihp = line;
    331       1.1  rearnsha 	return 0;
    332       1.1  rearnsha }
    333       1.1  rearnsha 
    334       1.1  rearnsha const char *
    335      1.18  christos ifpga_pci_intr_string(void *pcv, pci_intr_handle_t ih, char *buf, size_t len)
    336       1.1  rearnsha {
    337       1.1  rearnsha #ifdef PCI_DEBUG
    338      1.11  christos 	printf("ifpga_pci_intr_string(pcv=%p, ih=0x%lx)\n", pcv, ih);
    339       1.1  rearnsha #endif
    340       1.1  rearnsha 	if (ih == 0)
    341       1.5    provos 		panic("ifpga_pci_intr_string: bogus handle 0x%lx", ih);
    342       1.1  rearnsha 
    343      1.18  christos 	snprintf(buf, len, "pciint%ld", ih - IFPGA_INTRNUM_PCIINT0);
    344      1.18  christos 	return buf;
    345       1.1  rearnsha }
    346       1.1  rearnsha 
    347       1.1  rearnsha const struct evcnt *
    348       1.1  rearnsha ifpga_pci_intr_evcnt(void *pcv, pci_intr_handle_t ih)
    349       1.1  rearnsha {
    350       1.1  rearnsha 
    351       1.1  rearnsha 	/* XXX for now, no evcnt parent reported */
    352       1.1  rearnsha 	return NULL;
    353       1.1  rearnsha }
    354       1.1  rearnsha 
    355       1.1  rearnsha void *
    356       1.1  rearnsha ifpga_pci_intr_establish(void *pcv, pci_intr_handle_t ih, int level,
    357       1.1  rearnsha     int (*func) (void *), void *arg)
    358       1.1  rearnsha {
    359       1.1  rearnsha 	void *intr;
    360       1.1  rearnsha 
    361       1.1  rearnsha #ifdef PCI_DEBUG
    362       1.1  rearnsha 	printf("ifpga_pci_intr_establish(pcv=%p, ih=0x%lx, level=%d, "
    363       1.1  rearnsha 	    "func=%p, arg=%p)\n", pcv, ih, level, func, arg);
    364       1.1  rearnsha #endif
    365       1.1  rearnsha 
    366       1.8  rearnsha 	intr = ifpga_intr_establish(ih, level, func, arg);
    367       1.1  rearnsha 
    368       1.1  rearnsha 	return intr;
    369       1.1  rearnsha }
    370       1.1  rearnsha 
    371       1.1  rearnsha void
    372       1.1  rearnsha ifpga_pci_intr_disestablish(void *pcv, void *cookie)
    373       1.1  rearnsha {
    374       1.1  rearnsha #ifdef PCI_DEBUG
    375       1.1  rearnsha 	printf("ifpga_pci_intr_disestablish(pcv=%p, cookie=%p)\n",
    376       1.1  rearnsha 	    pcv, cookie);
    377       1.1  rearnsha #endif
    378       1.8  rearnsha 	ifpga_intr_disestablish(cookie);
    379       1.1  rearnsha }
    380