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vrc4173bcu.c revision 1.23.6.1
      1  1.23.6.1     skrll /*	$NetBSD: vrc4173bcu.c,v 1.23.6.1 2017/08/28 17:51:39 skrll Exp $	*/
      2       1.1     enami 
      3       1.1     enami /*-
      4       1.4  takemura  * Copyright (c) 2001,2002 Enami Tsugutomo.
      5       1.1     enami  * All rights reserved.
      6       1.1     enami  *
      7       1.1     enami  * Redistribution and use in source and binary forms, with or without
      8       1.1     enami  * modification, are permitted provided that the following conditions
      9       1.1     enami  * are met:
     10       1.1     enami  * 1. Redistributions of source code must retain the above copyright
     11       1.1     enami  *    notice, this list of conditions and the following disclaimer.
     12       1.1     enami  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1     enami  *    notice, this list of conditions and the following disclaimer in the
     14       1.1     enami  *    documentation and/or other materials provided with the distribution.
     15       1.1     enami  *
     16       1.1     enami  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17       1.1     enami  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18       1.1     enami  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19       1.1     enami  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20       1.1     enami  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21       1.1     enami  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22       1.1     enami  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23       1.1     enami  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24       1.1     enami  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25       1.1     enami  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26       1.1     enami  * SUCH DAMAGE.
     27       1.1     enami  */
     28      1.14     lukem 
     29      1.14     lukem #include <sys/cdefs.h>
     30  1.23.6.1     skrll __KERNEL_RCSID(0, "$NetBSD: vrc4173bcu.c,v 1.23.6.1 2017/08/28 17:51:39 skrll Exp $");
     31       1.1     enami 
     32       1.1     enami #include <sys/param.h>
     33       1.1     enami #include <sys/systm.h>
     34       1.1     enami #include <sys/device.h>
     35       1.1     enami 
     36       1.1     enami #include <machine/bus.h>
     37       1.1     enami 
     38       1.1     enami #include <dev/pci/pcivar.h>
     39       1.1     enami #include <dev/pci/pcidevs.h>
     40       1.1     enami 
     41       1.2  takemura #include <machine/platid.h>
     42       1.2  takemura #include <machine/platid_mask.h>
     43       1.6  takemura #include <machine/config_hook.h>
     44       1.2  takemura 
     45       1.7  takemura #include <hpcmips/vr/vripunit.h>
     46       1.7  takemura #include <hpcmips/vr/vripif.h>
     47       1.1     enami #include <hpcmips/vr/vrc4173bcuvar.h>
     48       1.1     enami #include <hpcmips/vr/vrc4173icureg.h>
     49       1.2  takemura #include <hpcmips/vr/vrc4173cmureg.h>
     50       1.1     enami 
     51      1.13       imp #include "locators.h"
     52      1.13       imp 
     53       1.7  takemura #ifdef VRC4173BCU_DEBUG
     54       1.7  takemura #define DPRINTF_ENABLE
     55       1.7  takemura #define DPRINTF_DEBUG	vrc4173bcu_debug
     56       1.1     enami #endif
     57       1.7  takemura #define USE_HPC_DPRINTF
     58       1.7  takemura #include <machine/debug.h>
     59       1.1     enami 
     60       1.7  takemura #define	VRC4173BCU_BADR		0x10
     61       1.2  takemura #define USE_WINCE_CLKMASK	(~0)
     62       1.2  takemura 
     63      1.22       chs static int	vrc4173bcu_match(device_t, cfdata_t, void *);
     64      1.22       chs static void	vrc4173bcu_attach(device_t, device_t, void *);
     65       1.7  takemura static int	vrc4173bcu_intr(void *);
     66       1.1     enami static int	vrc4173bcu_print(void *, const char *);
     67      1.22       chs static int	vrc4173bcu_search(device_t, cfdata_t, const int *, void *);
     68       1.7  takemura static int	vrc4173bcu_pci_intr(void *);
     69       1.7  takemura #ifdef VRC4173BCU_DEBUG
     70       1.7  takemura static void	vrc4173bcu_dump_level2mask(vrip_chipset_tag_t,
     71       1.7  takemura 		    vrip_intr_handle_t);
     72       1.7  takemura #endif
     73       1.7  takemura 
     74       1.7  takemura int __vrc4173bcu_power(vrip_chipset_tag_t, int, int);
     75       1.7  takemura vrip_intr_handle_t __vrc4173bcu_intr_establish(vrip_chipset_tag_t, int, int,
     76       1.7  takemura     int, int(*)(void*), void*);
     77       1.7  takemura void __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t);
     78       1.7  takemura void __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int);
     79       1.7  takemura void __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t,
     80       1.7  takemura     u_int32_t, int);
     81       1.7  takemura void __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t,
     82       1.7  takemura     u_int32_t*);
     83       1.7  takemura void __vrc4173bcu_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t);
     84       1.7  takemura void __vrc4173bcu_register_gpio(vrip_chipset_tag_t, hpcio_chip_t);
     85       1.7  takemura void __vrc4173bcu_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t);
     86       1.7  takemura void __vrc4173bcu_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t);
     87       1.7  takemura int __vrc4173bcu_clock(vrcmu_chipset_tag_t, u_int16_t, int);
     88       1.1     enami 
     89       1.4  takemura /*
     90       1.4  takemura  * machine dependent info
     91       1.4  takemura  */
     92       1.2  takemura static struct vrc4173bcu_platdep {
     93       1.4  takemura 	platid_mask_t *platidmask;
     94       1.2  takemura 	u_int32_t clkmask;
     95       1.6  takemura 	int intrmask;
     96       1.2  takemura } platdep_table[] = {
     97       1.2  takemura 	{
     98       1.4  takemura 		&platid_mask_MACH_VICTOR_INTERLINK_MPC303,
     99       1.6  takemura 		USE_WINCE_CLKMASK,		/* clock mask */
    100       1.6  takemura 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
    101       1.6  takemura 		(1 << VRC4173ICU_PCMCIA1INTR)|
    102       1.6  takemura 		(1 << VRC4173ICU_PCMCIA2INTR),
    103       1.4  takemura 	},
    104       1.4  takemura 	{
    105       1.4  takemura 		&platid_mask_MACH_VICTOR_INTERLINK_MPC304,
    106       1.6  takemura 		USE_WINCE_CLKMASK,		/* clock mask */
    107       1.6  takemura 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
    108       1.6  takemura 		(1 << VRC4173ICU_PCMCIA1INTR)|
    109       1.6  takemura 		(1 << VRC4173ICU_PCMCIA2INTR),
    110       1.4  takemura 	},
    111       1.4  takemura 	{
    112       1.4  takemura 		&platid_mask_MACH_NEC_MCR_SIGMARION2,
    113       1.6  takemura 		USE_WINCE_CLKMASK,		/* clock mask */
    114       1.6  takemura 		(1 << VRC4173ICU_USBINTR),	/* intrrupts */
    115       1.4  takemura 	},
    116       1.4  takemura 	{
    117       1.2  takemura 		&platid_wild,
    118       1.2  takemura 		USE_WINCE_CLKMASK,	/* XXX */
    119       1.4  takemura 		-1,
    120       1.2  takemura 	},
    121       1.2  takemura };
    122       1.2  takemura 
    123       1.7  takemura struct vrc4173bcu_unit {
    124      1.16        he 	const char	*vu_name;
    125       1.7  takemura 	int	vu_intr[2];
    126       1.7  takemura 	int	vu_clkmask;
    127       1.7  takemura 	bus_addr_t	vu_lreg;
    128       1.7  takemura 	bus_addr_t	vu_mlreg;
    129       1.7  takemura 	bus_addr_t	vu_hreg;
    130       1.7  takemura 	bus_addr_t	vu_mhreg;
    131       1.7  takemura };
    132       1.7  takemura 
    133       1.4  takemura struct vrc4173bcu_softc {
    134      1.22       chs 	device_t sc_dev;
    135       1.7  takemura 	struct vrip_chipset_tag sc_chipset;
    136       1.7  takemura 	struct vrcmu_chipset_tag sc_cmuchip;
    137       1.4  takemura 
    138       1.4  takemura 	pci_chipset_tag_t sc_pc;
    139       1.4  takemura 	bus_space_tag_t sc_iot;
    140       1.4  takemura 	bus_space_handle_t sc_ioh;
    141       1.4  takemura 	bus_size_t sc_size;
    142       1.4  takemura 
    143       1.4  takemura 	bus_space_handle_t sc_icuh;	/* I/O handle for ICU. */
    144       1.4  takemura 	bus_space_handle_t sc_cmuh;	/* I/O handle for CMU. */
    145       1.4  takemura 	void *sc_ih;
    146       1.6  takemura #define VRC4173BCU_NINTRS	16
    147       1.5  takemura 	int sc_intrmask;
    148       1.7  takemura 	struct vrc4173bcu_intrhand {
    149       1.7  takemura 		int	(*ih_fun)(void *);
    150       1.7  takemura 		void	*ih_arg;
    151       1.7  takemura 		const struct vrc4173bcu_unit *ih_unit;
    152       1.7  takemura 	} sc_intrhands[32];
    153       1.7  takemura 
    154       1.7  takemura 	struct vrc4173bcu_unit *sc_units;
    155       1.7  takemura 	int sc_nunits;
    156       1.7  takemura 	int sc_pri;
    157       1.4  takemura 
    158       1.4  takemura 	struct vrc4173bcu_platdep *sc_platdep;
    159       1.4  takemura };
    160       1.4  takemura 
    161       1.7  takemura #define VALID_UNIT(sc, unit)	(0 <= (unit) && (unit) < (sc)->sc_nunits)
    162       1.7  takemura 
    163       1.7  takemura static struct vrc4173bcu_unit vrc4173bcu_units[] = {
    164       1.7  takemura 	[VRIP_UNIT_KIU] = {
    165       1.7  takemura 		"kiu",
    166       1.7  takemura 		{ VRC4173ICU_KIUINTR,	},
    167       1.7  takemura 		VRC4173CMU_CLKMSK_KIU,
    168       1.7  takemura 		VRC4173ICU_KIUINT,	VRC4173ICU_MKIUINT,
    169       1.7  takemura 	},
    170       1.7  takemura 	[VRIP_UNIT_PIU] = {
    171       1.7  takemura 		"piu",
    172       1.7  takemura 		{ VRC4173ICU_PIUINTR, VRC4173ICU_DOZEPIUINTR},
    173       1.7  takemura 		VRC4173CMU_CLKMSK_PIU,
    174       1.7  takemura 		VRC4173ICU_PIUINT,	VRC4173ICU_MPIUINT,
    175       1.7  takemura 	},
    176       1.7  takemura 	[VRIP_UNIT_AIU] = {
    177       1.7  takemura 		"aiu",
    178       1.7  takemura 		{ VRC4173ICU_AIUINTR,	},
    179       1.7  takemura 		VRC4173CMU_CLKMSK_AIU,
    180       1.7  takemura 		VRC4173ICU_AIUINT,	VRC4173ICU_MAIUINT,
    181       1.7  takemura 	},
    182       1.7  takemura 	[VRIP_UNIT_GIU] = {
    183       1.7  takemura 		"giu",
    184       1.7  takemura 		{ VRC4173ICU_GIUINTR,	},
    185       1.7  takemura 		0,
    186       1.7  takemura 		VRC4173ICU_GIULINT,	VRC4173ICU_MGIULINT,
    187       1.7  takemura 		VRC4173ICU_GIUHINT,	VRC4173ICU_MGIUHINT,
    188       1.7  takemura 	},
    189       1.7  takemura 	[VRIP_UNIT_PS2U0] = {
    190       1.7  takemura 		"PS/2-Ch1",
    191       1.7  takemura 		{ VRC4173ICU_PS2CH1INTR,	},
    192       1.7  takemura 		VRC4173CMU_CLKMSK_PS2CH1,
    193       1.7  takemura 	},
    194       1.7  takemura 	[VRIP_UNIT_PS2U1] = {
    195       1.7  takemura 		"PS/2-Ch2",
    196       1.7  takemura 		{ VRC4173ICU_PS2CH2INTR,	},
    197       1.7  takemura 		VRC4173CMU_CLKMSK_PS2CH2,
    198       1.7  takemura 	},
    199       1.7  takemura 	[VRIP_UNIT_USBU] = {
    200       1.7  takemura 		"usbu",
    201       1.7  takemura 		{ VRC4173ICU_USBINTR,	},
    202       1.7  takemura 		VRC4173CMU_CLKMSK_USB,
    203       1.7  takemura 	},
    204       1.7  takemura 	[VRIP_UNIT_CARDU0] = {
    205       1.7  takemura 		"cardu0",
    206       1.7  takemura 		{ VRC4173ICU_PCMCIA1INTR,	},
    207       1.7  takemura 		VRC4173CMU_CLKMSK_CARD1,
    208       1.7  takemura 	},
    209       1.7  takemura 	[VRIP_UNIT_CARDU1] = {
    210       1.7  takemura 		"cardu1",
    211       1.7  takemura 		{ VRC4173ICU_PCMCIA2INTR,	},
    212       1.7  takemura 		VRC4173CMU_CLKMSK_CARD2,
    213       1.7  takemura 	},
    214       1.7  takemura };
    215       1.7  takemura 
    216      1.22       chs CFATTACH_DECL_NEW(vrc4173bcu, sizeof(struct vrc4173bcu_softc),
    217      1.11   thorpej     vrc4173bcu_match, vrc4173bcu_attach, NULL, NULL);
    218       1.4  takemura 
    219       1.7  takemura static const struct vrip_chipset_tag vrc4173bcu_chipset_methods = {
    220       1.7  takemura 	.vc_power		= __vrc4173bcu_power,
    221       1.7  takemura 	.vc_intr_establish	= __vrc4173bcu_intr_establish,
    222       1.7  takemura 	.vc_intr_disestablish	= __vrc4173bcu_intr_disestablish,
    223       1.7  takemura 	.vc_intr_setmask1	= __vrc4173bcu_intr_setmask1,
    224       1.7  takemura 	.vc_intr_setmask2	= __vrc4173bcu_intr_setmask2,
    225       1.7  takemura 	.vc_intr_getstatus2	= __vrc4173bcu_intr_getstatus2,
    226       1.7  takemura 	.vc_register_cmu	= __vrc4173bcu_register_cmu,
    227       1.7  takemura 	.vc_register_gpio	= __vrc4173bcu_register_gpio,
    228       1.7  takemura 	.vc_register_dmaau	= __vrc4173bcu_register_dmaau,
    229       1.7  takemura 	.vc_register_dcu	= __vrc4173bcu_register_dcu,
    230       1.7  takemura };
    231       1.7  takemura 
    232       1.1     enami int
    233      1.22       chs vrc4173bcu_match(device_t parent, cfdata_t match, void *aux)
    234       1.1     enami {
    235       1.1     enami 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
    236       1.1     enami 
    237       1.1     enami 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NEC &&
    238       1.1     enami 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NEC_VRC4173_BCU)
    239       1.1     enami 		return (1);
    240       1.1     enami 
    241       1.1     enami 	return (0);
    242       1.1     enami }
    243       1.1     enami 
    244       1.1     enami void
    245      1.22       chs vrc4173bcu_attach(device_t parent, device_t self, void *aux)
    246       1.1     enami {
    247      1.22       chs 	struct vrc4173bcu_softc *sc = device_private(self);
    248      1.22       chs 	struct pci_attach_args *pa = aux;
    249       1.1     enami 	pci_chipset_tag_t pc = pa->pa_pc;
    250       1.1     enami 	pcitag_t tag = pa->pa_tag;
    251       1.1     enami 	pcireg_t csr;
    252       1.1     enami 	char devinfo[256];
    253       1.2  takemura 	u_int16_t reg;
    254       1.6  takemura 	pci_intr_handle_t ih;
    255       1.6  takemura 	const char *intrstr;
    256       1.6  takemura 	int bus, device, function;
    257      1.23  christos 	char ibuf[PCI_INTRSTR_LEN];
    258       1.1     enami #ifdef DEBUG
    259       1.1     enami 	char buf[80];
    260       1.1     enami #endif
    261       1.1     enami 
    262      1.22       chs 	sc->sc_dev = self;
    263      1.22       chs 
    264      1.15    kleink 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
    265       1.1     enami 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
    266       1.1     enami 
    267       1.1     enami #if 0
    268      1.22       chs 	printf("%s: ", device_xname(self));
    269       1.1     enami 	pci_conf_print(pa->pa_pc, pa->pa_tag, NULL);
    270       1.1     enami #endif
    271       1.1     enami 
    272       1.7  takemura 	sc->sc_pc = pc;
    273       1.7  takemura 	sc->sc_cmuchip.cc_sc = sc;
    274       1.7  takemura 	sc->sc_cmuchip.cc_clock = __vrc4173bcu_clock;
    275       1.7  takemura 	sc->sc_units = vrc4173bcu_units;
    276       1.7  takemura 	sc->sc_nunits = sizeof(vrc4173bcu_units)/sizeof(struct vrc4173bcu_unit);
    277       1.7  takemura 	sc->sc_chipset = vrc4173bcu_chipset_methods; /* structure assignment */
    278       1.7  takemura 	sc->sc_chipset.vc_sc = sc;
    279       1.1     enami 
    280       1.4  takemura 	sc->sc_platdep = platid_search(&platid, platdep_table,
    281       1.2  takemura 	    sizeof(platdep_table)/sizeof(*platdep_table),
    282       1.2  takemura 	    sizeof(*platdep_table));
    283       1.2  takemura 
    284       1.1     enami 	/* Map I/O registers */
    285       1.1     enami 	if (pci_mapreg_map(pa, VRC4173BCU_BADR, PCI_MAPREG_TYPE_IO, 0,
    286       1.1     enami 	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
    287      1.22       chs 		printf("%s: can't map mem space\n", device_xname(self));
    288       1.1     enami 		return;
    289       1.1     enami 	}
    290       1.1     enami 
    291       1.1     enami 	/* Enable the device. */
    292       1.1     enami 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    293      1.22       chs 	DPRINTF(("%s: csr = 0x%08x", device_xname(self), csr));
    294       1.1     enami 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
    295       1.1     enami 	    csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE);
    296       1.1     enami 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    297       1.1     enami 	DPRINTF((" -> 0x%08x\n", csr));
    298       1.1     enami 
    299       1.1     enami 	csr = pci_conf_read(pc, tag, VRC4173BCU_BADR);
    300      1.22       chs 	DPRINTF(("%s: base addr = %x@0x%08x\n", device_xname(self),
    301       1.1     enami 	    (int)sc->sc_size, csr));
    302      1.22       chs 	DPRINTF(("%s: iot = 0x%08x, ioh = 0x%08x\n", device_xname(self),
    303       1.4  takemura 	    (int)sc->sc_iot, (int)sc->sc_ioh));
    304       1.1     enami 
    305       1.1     enami 	/*
    306       1.1     enami 	 * Map I/O space for ICU.
    307       1.1     enami 	 */
    308       1.1     enami 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
    309       1.1     enami 	    VRC4173ICU_IOBASE, VRC4173ICU_IOSIZE, &sc->sc_icuh)) {
    310       1.1     enami 		printf(": can't map ICU i/o space\n");
    311       1.1     enami 		return;
    312       1.1     enami 	}
    313       1.1     enami 
    314       1.2  takemura 	/*
    315       1.2  takemura 	 * Map I/O space for CMU.
    316       1.2  takemura 	 */
    317       1.2  takemura 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
    318       1.2  takemura 	    VRC4173CMU_IOBASE, VRC4173CMU_IOSIZE, &sc->sc_cmuh)) {
    319       1.2  takemura 		printf(": can't map CMU i/o space\n");
    320       1.2  takemura 		return;
    321       1.2  takemura 	}
    322       1.2  takemura 
    323       1.4  takemura 	/* machine dependent setup */
    324       1.4  takemura 	if (sc->sc_platdep->clkmask == USE_WINCE_CLKMASK) {
    325       1.4  takemura 		/* XXX, You can nothing! */
    326       1.2  takemura 		reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh,
    327       1.4  takemura 		    VRC4173CMU_CLKMSK);
    328       1.2  takemura 		printf("%s: default clock mask is %04x\n",
    329      1.22       chs 		    device_xname(self), reg);
    330       1.2  takemura 	} else {
    331       1.4  takemura 		/* assert all reset bits */
    332       1.4  takemura 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST,
    333       1.4  takemura 		    VRC4173CMU_SRST_AC97 | VRC4173CMU_SRST_USB |
    334       1.4  takemura 		    VRC4173CMU_SRST_CARD2 | VRC4173CMU_SRST_CARD1);
    335       1.4  takemura 		/* set clock mask */
    336       1.2  takemura 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh,
    337       1.4  takemura 		    VRC4173CMU_CLKMSK, sc->sc_platdep->clkmask);
    338       1.4  takemura 		/* clear reset bit */
    339       1.4  takemura 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST, 0);
    340       1.2  takemura 	}
    341       1.2  takemura 
    342       1.1     enami #ifdef DEBUG
    343       1.1     enami 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
    344      1.20  christos 	snprintb(buf, sizeof(buf),
    345       1.1     enami 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    346      1.20  christos 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    347  1.23.6.1     skrll 	printf("%s: SYSINT1 = %s\n", device_xname(self), buf);
    348       1.1     enami 
    349       1.1     enami 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MKIUINT);
    350      1.20  christos 	snprintb(buf, sizeof(buf),
    351       1.1     enami 	    "\20\1SCANINT\2KDATRDY\3KDATLOST\4B3\5B4\6B5\7B6\10B7"
    352      1.20  christos 	    "\11B8\12B9\13B10\14B11\15B12\16B13\17B14\20B15", reg);
    353  1.23.6.1     skrll 	printf("%s: MKIUINT = %s\n", device_xname(self), buf);
    354       1.1     enami 
    355       1.1     enami 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
    356      1.20  christos 	snprintb(buf, sizeof(buf),
    357       1.1     enami 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    358      1.20  christos 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    359  1.23.6.1     skrll 	printf("%s: MSYSINT1 = %s\n", device_xname(self), buf);
    360       1.1     enami 
    361       1.1     enami #if 1
    362       1.1     enami 	reg = VRC4173ICU_USBINTR | VRC4173ICU_PIUINTR | VRC4173ICU_KIUINTR |
    363       1.1     enami 	    VRC4173ICU_DOZEPIUINTR;
    364       1.1     enami 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1, reg);
    365       1.1     enami 
    366       1.1     enami 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
    367      1.21  dholland 	snprintb(buf, sizeof(buf),
    368       1.1     enami 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    369      1.20  christos 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    370  1.23.6.1     skrll 	printf("%s: MSYSINT1 = %s\n", device_xname(self), buf);
    371       1.1     enami #endif
    372       1.1     enami #endif
    373       1.1     enami 
    374       1.6  takemura 	/*
    375       1.7  takemura 	 * set interrupt mask
    376       1.7  takemura 	 */
    377       1.7  takemura 	sc->sc_intrmask = sc->sc_platdep->intrmask;
    378       1.7  takemura 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
    379       1.7  takemura 	    sc->sc_intrmask);
    380       1.7  takemura 
    381       1.7  takemura 	/*
    382       1.6  takemura 	 * install interrupt handler
    383       1.6  takemura 	 */
    384       1.6  takemura 	if (pci_intr_map(pa, &ih)) {
    385      1.22       chs 		printf("%s: couldn't map interrupt\n", device_xname(self));
    386       1.6  takemura 		return;
    387       1.6  takemura 	}
    388      1.23  christos 	intrstr = pci_intr_string(pc, ih, ibuf, sizeof(ibuf));
    389       1.6  takemura 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, vrc4173bcu_intr, sc);
    390       1.6  takemura 	if (sc->sc_ih == NULL) {
    391       1.6  takemura 		printf("%s: couldn't establish interrupt",
    392      1.22       chs 		    device_xname(self));
    393       1.6  takemura 		if (intrstr != NULL)
    394       1.6  takemura 			printf(" at %s", intrstr);
    395       1.6  takemura 		printf("\n");
    396       1.6  takemura 		return;
    397       1.6  takemura 	}
    398      1.22       chs 	printf("%s: interrupting at %s\n", device_xname(self), intrstr);
    399       1.6  takemura 
    400       1.6  takemura 	/*
    401       1.6  takemura 	 * install pci intr hooks
    402       1.6  takemura 	 */
    403       1.6  takemura 	pci_decompose_tag(pc, pa->pa_intrtag, &bus, &device, &function);
    404       1.6  takemura 	/* USB unit */
    405       1.6  takemura 	if (sc->sc_intrmask & (1 << VRC4173ICU_USBINTR))
    406       1.7  takemura 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_USBU, 0,
    407       1.7  takemura 		    IPL_NET, vrc4173bcu_pci_intr,
    408       1.6  takemura 		    config_connect(CONFIG_HOOK_PCIINTR,
    409       1.7  takemura 			CONFIG_HOOK_PCIINTR_ID(bus, device, 2)));
    410       1.6  takemura 	/* PC card unit 1 */
    411       1.6  takemura 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA1INTR))
    412       1.7  takemura 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU0, 0,
    413       1.7  takemura 		    IPL_NET, vrc4173bcu_pci_intr,
    414       1.6  takemura 		    config_connect(CONFIG_HOOK_PCIINTR,
    415       1.7  takemura 			CONFIG_HOOK_PCIINTR_ID(bus, 1, 0)));
    416       1.6  takemura 	/* PC card unit 2 */
    417       1.6  takemura 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA2INTR))
    418       1.7  takemura 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU1, 0,
    419       1.7  takemura 		    IPL_NET, vrc4173bcu_pci_intr,
    420       1.6  takemura 		    config_connect(CONFIG_HOOK_PCIINTR,
    421       1.7  takemura 			CONFIG_HOOK_PCIINTR_ID(bus, 2, 0)));
    422       1.6  takemura 
    423       1.6  takemura 	/*
    424       1.7  takemura 	 *  Attach each devices
    425       1.7  takemura 	 *  sc->sc_pri = 2~1
    426       1.1     enami 	 */
    427       1.7  takemura 	for (sc->sc_pri = 2; 0 < sc->sc_pri; sc->sc_pri--)
    428      1.17  drochner 		config_search_ia(vrc4173bcu_search, self, "vripif",
    429      1.17  drochner 				 vrc4173bcu_print);
    430       1.1     enami }
    431       1.1     enami 
    432       1.1     enami int
    433       1.7  takemura vrc4173bcu_print(void *aux, const char *hoge)
    434       1.1     enami {
    435       1.7  takemura 	struct vrip_attach_args *va = (struct vrip_attach_args*)aux;
    436       1.1     enami 
    437       1.8  takemura 	if (va->va_addr != VRIPIFCF_ADDR_DEFAULT)
    438      1.12   thorpej 		aprint_normal(" addr 0x%04lx", va->va_addr);
    439       1.8  takemura 	if (va->va_size != VRIPIFCF_SIZE_DEFAULT)
    440      1.12   thorpej 		aprint_normal("-%04lx",
    441      1.12   thorpej 		    (va->va_addr + va->va_size - 1) & 0xffff);
    442       1.8  takemura 	if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT)
    443      1.12   thorpej 		aprint_normal(", 0x%04lx", va->va_addr2);
    444       1.8  takemura 	if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT)
    445      1.12   thorpej 		aprint_normal("-%04lx",
    446      1.12   thorpej 		    (va->va_addr2 + va->va_size2 - 1) & 0xffff);
    447       1.1     enami 
    448       1.1     enami 	return (UNCONF);
    449       1.1     enami }
    450       1.1     enami 
    451       1.1     enami int
    452      1.22       chs vrc4173bcu_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
    453       1.7  takemura {
    454      1.22       chs 	struct vrc4173bcu_softc *sc = device_private(parent);
    455       1.7  takemura 	struct vrip_attach_args va;
    456       1.7  takemura 
    457       1.7  takemura 	memset(&va, 0, sizeof(va));
    458       1.7  takemura 	va.va_vc = &sc->sc_chipset;
    459       1.7  takemura 	va.va_iot = sc->sc_iot;
    460       1.7  takemura 	va.va_parent_ioh = sc->sc_ioh;
    461       1.7  takemura 	va.va_unit = cf->cf_loc[VRIPIFCF_UNIT];
    462       1.7  takemura 	va.va_addr = cf->cf_loc[VRIPIFCF_ADDR];
    463       1.7  takemura 	va.va_size = cf->cf_loc[VRIPIFCF_SIZE];
    464       1.7  takemura 	va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2];
    465       1.7  takemura 	va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2];
    466       1.7  takemura 	va.va_gpio_chips = NULL;	/* XXX */
    467       1.7  takemura 	va.va_cc = sc->sc_chipset.vc_cc;
    468       1.7  takemura 	va.va_ac = sc->sc_chipset.vc_ac;
    469       1.7  takemura 	va.va_dc = sc->sc_chipset.vc_dc;
    470       1.9   thorpej 	if ((config_match(parent, cf, &va) == sc->sc_pri))
    471       1.7  takemura 		config_attach(parent, cf, &va, vrc4173bcu_print);
    472       1.7  takemura 
    473       1.7  takemura 	return (0);
    474       1.7  takemura }
    475       1.7  takemura 
    476       1.7  takemura int
    477       1.1     enami vrc4173bcu_intr(void *arg)
    478       1.1     enami {
    479       1.1     enami 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)arg;
    480       1.1     enami 	u_int16_t reg;
    481       1.7  takemura 	struct vrc4173bcu_intrhand *ih;
    482       1.6  takemura 	int i;
    483       1.1     enami 
    484       1.1     enami 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
    485       1.6  takemura 	reg &= sc->sc_intrmask;
    486       1.1     enami 	if (reg == 0)
    487       1.1     enami 		return (0);
    488       1.1     enami 
    489       1.1     enami #if 0
    490       1.1     enami     {
    491       1.1     enami 	char buf[80];
    492      1.20  christos 	snprintb(buf, sizeof(buf),
    493       1.1     enami 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    494      1.20  christos 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    495      1.22       chs 	printf("%s: %s\n", device_xname(sc->sc_dev), buf);
    496       1.1     enami     }
    497       1.1     enami #endif
    498       1.7  takemura 	for (ih = sc->sc_intrhands, i = 0; i < VRC4173BCU_NINTRS; i++, ih++)
    499       1.7  takemura 		if ((reg & (1 << i)) && ih->ih_fun != NULL)
    500       1.7  takemura 			ih->ih_fun(ih->ih_arg);
    501       1.1     enami 
    502       1.6  takemura 	return (1);
    503       1.7  takemura }
    504       1.7  takemura 
    505       1.7  takemura static int
    506       1.7  takemura vrc4173bcu_pci_intr(void *arg)
    507       1.7  takemura {
    508       1.7  takemura 	config_call_tag ct = (config_call_tag)arg;
    509       1.7  takemura 	config_connected_call(ct, NULL);
    510       1.7  takemura 
    511       1.7  takemura 	return (0);
    512       1.7  takemura }
    513       1.7  takemura 
    514       1.7  takemura #ifdef VRC4173BCU_DEBUG
    515       1.7  takemura static void
    516       1.7  takemura vrc4173bcu_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
    517       1.7  takemura {
    518       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    519       1.7  takemura 	struct vrc4173bcu_intrhand *ih = handle;
    520       1.7  takemura 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    521       1.7  takemura 	u_int32_t reg;
    522       1.7  takemura 
    523       1.7  takemura 	if (vu->vu_mlreg) {
    524       1.7  takemura 		DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0]));
    525       1.7  takemura 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
    526       1.7  takemura 		if (vu->vu_mhreg) {
    527       1.7  takemura 			reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,
    528       1.7  takemura 			    vu->vu_mhreg) << 16);
    529       1.7  takemura 			dbg_bit_print(reg);
    530       1.7  takemura 		} else
    531       1.7  takemura 			dbg_bit_print(reg);
    532       1.7  takemura 	}
    533       1.7  takemura }
    534       1.7  takemura #endif
    535       1.7  takemura 
    536       1.7  takemura int
    537       1.7  takemura __vrc4173bcu_power(vrip_chipset_tag_t vc, int unit, int onoff)
    538       1.7  takemura {
    539       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    540       1.7  takemura 	const struct vrc4173bcu_unit *vu;
    541       1.7  takemura 
    542       1.7  takemura 	if (sc->sc_chipset.vc_cc == NULL)
    543       1.7  takemura 		return (0);	/* You have no clock mask unit yet. */
    544       1.7  takemura 	if (!VALID_UNIT(sc, unit))
    545       1.7  takemura 		return (0);
    546       1.7  takemura 	vu = &sc->sc_units[unit];
    547       1.7  takemura 
    548       1.7  takemura 	return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc,
    549       1.7  takemura 	    vu->vu_clkmask, onoff);
    550       1.7  takemura }
    551       1.7  takemura 
    552       1.7  takemura vrip_intr_handle_t
    553       1.7  takemura __vrc4173bcu_intr_establish(vrip_chipset_tag_t vc, int unit, int line,
    554       1.7  takemura     int level, int (*ih_fun)(void *), void *ih_arg)
    555       1.7  takemura {
    556       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    557       1.7  takemura 	const struct vrc4173bcu_unit *vu;
    558       1.7  takemura 	struct vrc4173bcu_intrhand *ih;
    559       1.7  takemura 
    560       1.7  takemura 	if (!VALID_UNIT(sc, unit))
    561       1.7  takemura 		return (NULL);
    562       1.7  takemura 	vu = &sc->sc_units[unit];
    563       1.7  takemura 	ih = &sc->sc_intrhands[vu->vu_intr[line]];
    564       1.7  takemura 	if (ih->ih_fun) /* Can't share level 1 interrupt */
    565       1.7  takemura 		return (NULL);
    566       1.7  takemura 	ih->ih_fun = ih_fun;
    567       1.7  takemura 	ih->ih_arg = ih_arg;
    568       1.7  takemura 	ih->ih_unit = vu;
    569       1.7  takemura 
    570       1.7  takemura 	/* Mask level 2 interrupt mask register. (disable interrupt) */
    571       1.7  takemura 	vrip_intr_setmask2(vc, ih, ~0, 0);
    572       1.7  takemura 	/* Unmask  Level 1 interrupt mask register (enable interrupt) */
    573       1.7  takemura 	vrip_intr_setmask1(vc, ih, 1);
    574       1.7  takemura 
    575       1.7  takemura 	return ((void *)ih);
    576       1.7  takemura }
    577       1.7  takemura 
    578       1.7  takemura void
    579       1.7  takemura __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
    580       1.7  takemura {
    581       1.7  takemura 	struct vrc4173bcu_intrhand *ih = handle;
    582       1.7  takemura 
    583       1.7  takemura 	/* Mask  Level 1 interrupt mask register (disable interrupt) */
    584       1.7  takemura 	vrip_intr_setmask1(vc, ih, 0);
    585       1.7  takemura 	/* Mask level 2 interrupt mask register(if any). (disable interrupt) */
    586       1.7  takemura 	vrip_intr_setmask2(vc, ih, ~0, 0);
    587       1.7  takemura 	ih->ih_fun = NULL;
    588       1.7  takemura 	ih->ih_arg = NULL;
    589       1.7  takemura }
    590       1.7  takemura 
    591       1.7  takemura /* Set level 1 interrupt mask. */
    592       1.7  takemura void
    593       1.7  takemura __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    594       1.7  takemura     int enable)
    595       1.7  takemura {
    596       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    597       1.7  takemura 	struct vrc4173bcu_intrhand *ih = handle;
    598       1.7  takemura 	int level1 = ih - sc->sc_intrhands;
    599       1.7  takemura 
    600       1.7  takemura 	DPRINTF(("__vrc4173bcu_intr_setmask1: SYSINT: %s %d\n",
    601       1.7  takemura 		 enable ? "enable" : "disable", level1));
    602       1.7  takemura 	if (enable)
    603       1.7  takemura 		sc->sc_intrmask |= (1 << level1);
    604       1.7  takemura 	else
    605       1.7  takemura 		sc->sc_intrmask &= ~(1 << level1);
    606       1.7  takemura 	bus_space_write_2 (sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
    607       1.7  takemura 	    sc->sc_intrmask);
    608       1.7  takemura #ifdef VRC4173BCU_DEBUG
    609       1.7  takemura 	if (vrc4173bcu_debug)
    610       1.7  takemura 		dbg_bit_print(sc->sc_intrmask);
    611       1.7  takemura #endif
    612       1.7  takemura 
    613       1.7  takemura 	return;
    614       1.7  takemura }
    615       1.7  takemura 
    616       1.7  takemura /* Get level 2 interrupt status */
    617       1.7  takemura void
    618       1.7  takemura __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    619       1.7  takemura     u_int32_t *status /* Level 2 status */)
    620       1.7  takemura {
    621       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    622       1.7  takemura 	struct vrc4173bcu_intrhand *ih = handle;
    623       1.7  takemura 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    624       1.7  takemura 	u_int32_t reg;
    625       1.7  takemura 
    626       1.7  takemura 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_lreg);
    627       1.7  takemura 	reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,  vu->vu_hreg) << 16);
    628       1.7  takemura 	*status = reg;
    629       1.7  takemura }
    630       1.7  takemura 
    631       1.7  takemura /* Set level 2 interrupt mask. */
    632       1.7  takemura void
    633       1.7  takemura __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    634       1.7  takemura     u_int32_t mask /* Level 2 mask */, int onoff)
    635       1.7  takemura {
    636       1.7  takemura 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    637       1.7  takemura 	struct vrc4173bcu_intrhand *ih = handle;
    638       1.7  takemura 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    639       1.7  takemura 	u_int16_t reg;
    640       1.7  takemura 
    641       1.7  takemura 	DPRINTF(("vrc4173bcu_intr_setmask2:\n"));
    642       1.7  takemura #ifdef VRC4173BCU_DEBUG
    643       1.7  takemura 	if (vrc4173bcu_debug)
    644       1.7  takemura 		vrc4173bcu_dump_level2mask(vc, handle);
    645       1.7  takemura #endif
    646       1.7  takemura 	if (vu->vu_mlreg) {
    647       1.7  takemura 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
    648       1.7  takemura 		if (onoff)
    649       1.7  takemura 			reg |= (mask & 0xffff);
    650       1.7  takemura 		else
    651       1.7  takemura 			reg &= ~(mask & 0xffff);
    652       1.7  takemura 		bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg);
    653       1.7  takemura 	}
    654       1.7  takemura 	if (vu->vu_mhreg) {
    655       1.7  takemura 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg);
    656       1.7  takemura 		if (onoff)
    657       1.7  takemura 			reg |= ((mask >> 16) & 0xffff);
    658       1.7  takemura 		else
    659       1.7  takemura 			reg &= ~((mask >> 16) & 0xffff);
    660       1.7  takemura 		bus_space_write_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg, reg);
    661       1.7  takemura 	}
    662       1.7  takemura #ifdef VRC4173BCU_DEBUG
    663       1.7  takemura 	if (vrc4173bcu_debug)
    664       1.7  takemura 		vrc4173bcu_dump_level2mask(vc, handle);
    665       1.7  takemura #endif
    666       1.7  takemura 
    667       1.7  takemura 	return;
    668       1.7  takemura }
    669       1.7  takemura 
    670       1.7  takemura int
    671       1.7  takemura __vrc4173bcu_clock(vrcmu_chipset_tag_t cc, u_int16_t mask, int onoff)
    672       1.7  takemura {
    673       1.7  takemura 	struct vrc4173bcu_softc *sc = cc->cc_sc;
    674       1.7  takemura 	u_int16_t reg;
    675       1.7  takemura 
    676       1.7  takemura 	reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK);
    677       1.7  takemura #if 0
    678       1.7  takemura 	printf("cmu register(enter):");
    679       1.7  takemura 	dbg_bit_print(reg);
    680       1.7  takemura #endif
    681       1.7  takemura 	if (onoff)
    682       1.7  takemura 		reg |= mask;
    683       1.7  takemura 	else
    684       1.7  takemura 		reg &= ~mask;
    685       1.7  takemura 	bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK, reg);
    686       1.7  takemura #if 0
    687       1.7  takemura 	printf("cmu register(exit) :");
    688       1.7  takemura 	dbg_bit_print(reg);
    689       1.7  takemura #endif
    690       1.7  takemura 	return (0);
    691       1.7  takemura }
    692       1.7  takemura 
    693       1.7  takemura void
    694       1.7  takemura __vrc4173bcu_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu)
    695       1.7  takemura {
    696       1.7  takemura 	vc->vc_cc = cmu;
    697       1.7  takemura }
    698       1.7  takemura 
    699       1.7  takemura void
    700       1.7  takemura __vrc4173bcu_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip)
    701       1.7  takemura {
    702       1.7  takemura 	/* XXX, not implemented yet */
    703       1.7  takemura }
    704       1.7  takemura 
    705       1.7  takemura void
    706       1.7  takemura __vrc4173bcu_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau)
    707       1.7  takemura {
    708       1.7  takemura 
    709       1.7  takemura 	vc->vc_ac = dmaau;
    710       1.7  takemura }
    711       1.7  takemura 
    712       1.7  takemura void
    713       1.7  takemura __vrc4173bcu_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu)
    714       1.7  takemura {
    715       1.7  takemura 
    716       1.7  takemura 	vc->vc_dc = dcu;
    717       1.1     enami }
    718