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mfi_pci.c revision 1.2.4.2
      1  1.2.4.2  ghen /* $NetBSD: mfi_pci.c,v 1.2.4.2 2006/12/23 16:43:18 ghen Exp $ */
      2  1.2.4.2  ghen /* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
      3  1.2.4.2  ghen /*
      4  1.2.4.2  ghen  * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
      5  1.2.4.2  ghen  *
      6  1.2.4.2  ghen  * Permission to use, copy, modify, and distribute this software for any
      7  1.2.4.2  ghen  * purpose with or without fee is hereby granted, provided that the above
      8  1.2.4.2  ghen  * copyright notice and this permission notice appear in all copies.
      9  1.2.4.2  ghen  *
     10  1.2.4.2  ghen  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  1.2.4.2  ghen  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  1.2.4.2  ghen  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  1.2.4.2  ghen  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  1.2.4.2  ghen  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  1.2.4.2  ghen  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  1.2.4.2  ghen  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  1.2.4.2  ghen  */
     18  1.2.4.2  ghen 
     19  1.2.4.2  ghen #include <sys/cdefs.h>
     20  1.2.4.2  ghen __KERNEL_RCSID(0, "$NetBSD: mfi_pci.c,v 1.2.4.2 2006/12/23 16:43:18 ghen Exp $");
     21  1.2.4.2  ghen 
     22  1.2.4.2  ghen #include <sys/param.h>
     23  1.2.4.2  ghen #include <sys/systm.h>
     24  1.2.4.2  ghen #include <sys/kernel.h>
     25  1.2.4.2  ghen #include <sys/malloc.h>
     26  1.2.4.2  ghen #include <sys/device.h>
     27  1.2.4.2  ghen 
     28  1.2.4.2  ghen #include <dev/pci/pcidevs.h>
     29  1.2.4.2  ghen #include <dev/pci/pcivar.h>
     30  1.2.4.2  ghen 
     31  1.2.4.2  ghen #include <machine/bus.h>
     32  1.2.4.2  ghen 
     33  1.2.4.2  ghen #include <dev/scsipi/scsipi_all.h>
     34  1.2.4.2  ghen #include <dev/scsipi/scsipi_disk.h>
     35  1.2.4.2  ghen #include <dev/scsipi/scsiconf.h>
     36  1.2.4.2  ghen 
     37  1.2.4.2  ghen #include <dev/ic/mfireg.h>
     38  1.2.4.2  ghen #include <dev/ic/mfivar.h>
     39  1.2.4.2  ghen 
     40  1.2.4.2  ghen #define	MFI_BAR		0x10
     41  1.2.4.2  ghen #define	MFI_PCI_MEMSIZE	0x2000 /* 8k */
     42  1.2.4.2  ghen 
     43  1.2.4.2  ghen int	mfi_pci_find_device(void *);
     44  1.2.4.2  ghen int	mfi_pci_match(struct device *, struct cfdata *, void *);
     45  1.2.4.2  ghen void	mfi_pci_attach(struct device *, struct device *, void *);
     46  1.2.4.2  ghen 
     47  1.2.4.2  ghen CFATTACH_DECL(mfi_pci, sizeof(struct mfi_softc),
     48  1.2.4.2  ghen     mfi_pci_match, mfi_pci_attach, NULL, NULL);
     49  1.2.4.2  ghen 
     50  1.2.4.2  ghen struct	mfi_pci_device {
     51  1.2.4.2  ghen 	pcireg_t	mpd_vendor;
     52  1.2.4.2  ghen 	pcireg_t	mpd_product;
     53  1.2.4.2  ghen 	pcireg_t	mpd_subvendor;
     54  1.2.4.2  ghen 	pcireg_t	mpd_subproduct;
     55  1.2.4.2  ghen 	const char	*mpd_model;
     56  1.2.4.2  ghen 	uint32_t	mpd_flags;
     57  1.2.4.2  ghen };
     58  1.2.4.2  ghen 
     59  1.2.4.2  ghen static const
     60  1.2.4.2  ghen struct  mfi_pci_device mfi_pci_devices[] = {
     61  1.2.4.2  ghen 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
     62  1.2.4.2  ghen 	  0,			0,		"",			0 },
     63  1.2.4.2  ghen 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
     64  1.2.4.2  ghen 	  0,			0,		"",			0 },
     65  1.2.4.2  ghen 	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_5,
     66  1.2.4.2  ghen 	  PCI_VENDOR_DELL,	0x1f01,		"Dell PERC 5/e",	0 },
     67  1.2.4.2  ghen 	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_5,
     68  1.2.4.2  ghen 	  PCI_VENDOR_DELL,	0x1f02,		"Dell PERC 5/i",	0 },
     69  1.2.4.2  ghen 	{ 0, 0,
     70  1.2.4.2  ghen 	  0, 0, NULL, 0}
     71  1.2.4.2  ghen };
     72  1.2.4.2  ghen 
     73  1.2.4.2  ghen int
     74  1.2.4.2  ghen mfi_pci_find_device(void *aux) {
     75  1.2.4.2  ghen 	struct pci_attach_args	*pa = aux;
     76  1.2.4.2  ghen 	int			i;
     77  1.2.4.2  ghen 
     78  1.2.4.2  ghen 	for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) {
     79  1.2.4.2  ghen 		if (mfi_pci_devices[i].mpd_vendor == PCI_VENDOR(pa->pa_id) &&
     80  1.2.4.2  ghen 		    mfi_pci_devices[i].mpd_product == PCI_PRODUCT(pa->pa_id)) {
     81  1.2.4.2  ghen 		    	DNPRINTF(MFI_D_MISC, "mfi_pci_find_device: %i\n", i);
     82  1.2.4.2  ghen 			return (i);
     83  1.2.4.2  ghen 		}
     84  1.2.4.2  ghen 	}
     85  1.2.4.2  ghen 
     86  1.2.4.2  ghen 	return (-1);
     87  1.2.4.2  ghen }
     88  1.2.4.2  ghen 
     89  1.2.4.2  ghen int
     90  1.2.4.2  ghen mfi_pci_match(struct device *parent, struct cfdata *match, void *aux)
     91  1.2.4.2  ghen {
     92  1.2.4.2  ghen 	int			i;
     93  1.2.4.2  ghen 
     94  1.2.4.2  ghen 	if ((i = mfi_pci_find_device(aux)) != -1) {
     95  1.2.4.2  ghen 		DNPRINTF(MFI_D_MISC,
     96  1.2.4.2  ghen 		    "mfi_pci_match: vendor: %04x  product: %04x\n",
     97  1.2.4.2  ghen 		    mfi_pci_devices[i].mpd_vendor,
     98  1.2.4.2  ghen 		    mfi_pci_devices[i].mpd_product);
     99  1.2.4.2  ghen 
    100  1.2.4.2  ghen 		return (1);
    101  1.2.4.2  ghen 	}
    102  1.2.4.2  ghen 
    103  1.2.4.2  ghen 	return (0);
    104  1.2.4.2  ghen }
    105  1.2.4.2  ghen 
    106  1.2.4.2  ghen void
    107  1.2.4.2  ghen mfi_pci_attach(struct device *parent, struct device *self, void *aux)
    108  1.2.4.2  ghen {
    109  1.2.4.2  ghen 	struct mfi_softc	*sc = (struct mfi_softc *)self;
    110  1.2.4.2  ghen 	struct pci_attach_args	*pa = aux;
    111  1.2.4.2  ghen 	const char		*intrstr;
    112  1.2.4.2  ghen 	pci_intr_handle_t	ih;
    113  1.2.4.2  ghen 	bus_size_t		size;
    114  1.2.4.2  ghen 	pcireg_t		csr;
    115  1.2.4.2  ghen 	uint32_t		subsysid, i;
    116  1.2.4.2  ghen 
    117  1.2.4.2  ghen 	subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
    118  1.2.4.2  ghen 	for (i = 0; mfi_pci_devices[i].mpd_vendor; i++)
    119  1.2.4.2  ghen 		if (mfi_pci_devices[i].mpd_subvendor == PCI_VENDOR(subsysid) &&
    120  1.2.4.2  ghen 		    mfi_pci_devices[i].mpd_subproduct == PCI_PRODUCT(subsysid)){
    121  1.2.4.2  ghen 				aprint_normal(", %s",
    122  1.2.4.2  ghen 				    mfi_pci_devices[i].mpd_model);
    123  1.2.4.2  ghen 				break;
    124  1.2.4.2  ghen 		}
    125  1.2.4.2  ghen 
    126  1.2.4.2  ghen 	csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR);
    127  1.2.4.2  ghen 	csr |= PCI_MAPREG_MEM_TYPE_32BIT;
    128  1.2.4.2  ghen 	if (pci_mapreg_map(pa, MFI_BAR, csr, 0,
    129  1.2.4.2  ghen 	    &sc->sc_iot, &sc->sc_ioh, NULL, &size)) {
    130  1.2.4.2  ghen 		aprint_error(": can't map controller pci space\n");
    131  1.2.4.2  ghen 		return;
    132  1.2.4.2  ghen 	}
    133  1.2.4.2  ghen 
    134  1.2.4.2  ghen 	sc->sc_dmat = pa->pa_dmat;
    135  1.2.4.2  ghen 
    136  1.2.4.2  ghen 	if (pci_intr_map(pa, &ih)) {
    137  1.2.4.2  ghen 		aprint_error(": can't map interrupt\n");
    138  1.2.4.2  ghen 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
    139  1.2.4.2  ghen 		return;
    140  1.2.4.2  ghen 	}
    141  1.2.4.2  ghen 	intrstr = pci_intr_string(pa->pa_pc, ih);
    142  1.2.4.2  ghen 	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
    143  1.2.4.2  ghen 	if (!sc->sc_ih) {
    144  1.2.4.2  ghen 		aprint_error(": can't establish interrupt");
    145  1.2.4.2  ghen 		if (intrstr)
    146  1.2.4.2  ghen 			aprint_error(" at %s", intrstr);
    147  1.2.4.2  ghen 		aprint_error("\n");
    148  1.2.4.2  ghen 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
    149  1.2.4.2  ghen 		return;
    150  1.2.4.2  ghen 	}
    151  1.2.4.2  ghen 
    152  1.2.4.2  ghen 	aprint_normal(": %s\n", intrstr);
    153  1.2.4.2  ghen 
    154  1.2.4.2  ghen 	if (mfi_attach(sc)) {
    155  1.2.4.2  ghen 		aprint_error("%s: can't attach", DEVNAME(sc));
    156  1.2.4.2  ghen 		pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
    157  1.2.4.2  ghen 		sc->sc_ih = NULL;
    158  1.2.4.2  ghen 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
    159  1.2.4.2  ghen 	}
    160  1.2.4.2  ghen }
    161