Home | History | Annotate | Line # | Download | only in vr
      1 /*	$NetBSD: vrc4173bcu.c,v 1.27 2022/07/21 10:09:21 andvar Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001,2002 Enami Tsugutomo.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: vrc4173bcu.c,v 1.27 2022/07/21 10:09:21 andvar Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/device.h>
     35 
     36 #include <machine/bus.h>
     37 
     38 #include <dev/pci/pcivar.h>
     39 #include <dev/pci/pcidevs.h>
     40 
     41 #include <machine/platid.h>
     42 #include <machine/platid_mask.h>
     43 #include <machine/config_hook.h>
     44 
     45 #include <hpcmips/vr/vripunit.h>
     46 #include <hpcmips/vr/vripif.h>
     47 #include <hpcmips/vr/vrc4173bcuvar.h>
     48 #include <hpcmips/vr/vrc4173icureg.h>
     49 #include <hpcmips/vr/vrc4173cmureg.h>
     50 
     51 #include "locators.h"
     52 
     53 #ifdef VRC4173BCU_DEBUG
     54 #define DPRINTF_ENABLE
     55 #define DPRINTF_DEBUG	vrc4173bcu_debug
     56 #endif
     57 #define USE_HPC_DPRINTF
     58 #include <machine/debug.h>
     59 
     60 #define	VRC4173BCU_BADR		0x10
     61 #define USE_WINCE_CLKMASK	(~0)
     62 
     63 static int	vrc4173bcu_match(device_t, cfdata_t, void *);
     64 static void	vrc4173bcu_attach(device_t, device_t, void *);
     65 static int	vrc4173bcu_intr(void *);
     66 static int	vrc4173bcu_print(void *, const char *);
     67 static int	vrc4173bcu_search(device_t, cfdata_t, const int *, void *);
     68 static int	vrc4173bcu_pci_intr(void *);
     69 #ifdef VRC4173BCU_DEBUG
     70 static void	vrc4173bcu_dump_level2mask(vrip_chipset_tag_t,
     71 		    vrip_intr_handle_t);
     72 #endif
     73 
     74 int __vrc4173bcu_power(vrip_chipset_tag_t, int, int);
     75 vrip_intr_handle_t __vrc4173bcu_intr_establish(vrip_chipset_tag_t, int, int,
     76     int, int(*)(void*), void*);
     77 void __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t);
     78 void __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int);
     79 void __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t,
     80     u_int32_t, int);
     81 void __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t,
     82     u_int32_t*);
     83 void __vrc4173bcu_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t);
     84 void __vrc4173bcu_register_gpio(vrip_chipset_tag_t, hpcio_chip_t);
     85 void __vrc4173bcu_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t);
     86 void __vrc4173bcu_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t);
     87 int __vrc4173bcu_clock(vrcmu_chipset_tag_t, u_int16_t, int);
     88 
     89 /*
     90  * machine dependent info
     91  */
     92 static struct vrc4173bcu_platdep {
     93 	platid_mask_t *platidmask;
     94 	u_int32_t clkmask;
     95 	int intrmask;
     96 } platdep_table[] = {
     97 	{
     98 		&platid_mask_MACH_VICTOR_INTERLINK_MPC303,
     99 		USE_WINCE_CLKMASK,		/* clock mask */
    100 		(1 << VRC4173ICU_USBINTR)|	/* interrupts */
    101 		(1 << VRC4173ICU_PCMCIA1INTR)|
    102 		(1 << VRC4173ICU_PCMCIA2INTR),
    103 	},
    104 	{
    105 		&platid_mask_MACH_VICTOR_INTERLINK_MPC304,
    106 		USE_WINCE_CLKMASK,		/* clock mask */
    107 		(1 << VRC4173ICU_USBINTR)|	/* interrupts */
    108 		(1 << VRC4173ICU_PCMCIA1INTR)|
    109 		(1 << VRC4173ICU_PCMCIA2INTR),
    110 	},
    111 	{
    112 		&platid_mask_MACH_NEC_MCR_SIGMARION2,
    113 		USE_WINCE_CLKMASK,		/* clock mask */
    114 		(1 << VRC4173ICU_USBINTR),	/* interrupts */
    115 	},
    116 	{
    117 		&platid_wild,
    118 		USE_WINCE_CLKMASK,	/* XXX */
    119 		-1,
    120 	},
    121 };
    122 
    123 struct vrc4173bcu_unit {
    124 	const char	*vu_name;
    125 	int	vu_intr[2];
    126 	int	vu_clkmask;
    127 	bus_addr_t	vu_lreg;
    128 	bus_addr_t	vu_mlreg;
    129 	bus_addr_t	vu_hreg;
    130 	bus_addr_t	vu_mhreg;
    131 };
    132 
    133 struct vrc4173bcu_softc {
    134 	device_t sc_dev;
    135 	struct vrip_chipset_tag sc_chipset;
    136 	struct vrcmu_chipset_tag sc_cmuchip;
    137 
    138 	pci_chipset_tag_t sc_pc;
    139 	bus_space_tag_t sc_iot;
    140 	bus_space_handle_t sc_ioh;
    141 	bus_size_t sc_size;
    142 
    143 	bus_space_handle_t sc_icuh;	/* I/O handle for ICU. */
    144 	bus_space_handle_t sc_cmuh;	/* I/O handle for CMU. */
    145 	void *sc_ih;
    146 #define VRC4173BCU_NINTRS	16
    147 	int sc_intrmask;
    148 	struct vrc4173bcu_intrhand {
    149 		int	(*ih_fun)(void *);
    150 		void	*ih_arg;
    151 		const struct vrc4173bcu_unit *ih_unit;
    152 	} sc_intrhands[32];
    153 
    154 	struct vrc4173bcu_unit *sc_units;
    155 	int sc_nunits;
    156 	int sc_pri;
    157 
    158 	struct vrc4173bcu_platdep *sc_platdep;
    159 };
    160 
    161 #define VALID_UNIT(sc, unit)	(0 <= (unit) && (unit) < (sc)->sc_nunits)
    162 
    163 static struct vrc4173bcu_unit vrc4173bcu_units[] = {
    164 	[VRIP_UNIT_KIU] = {
    165 		"kiu",
    166 		{ VRC4173ICU_KIUINTR,	},
    167 		VRC4173CMU_CLKMSK_KIU,
    168 		VRC4173ICU_KIUINT,	VRC4173ICU_MKIUINT,
    169 	},
    170 	[VRIP_UNIT_PIU] = {
    171 		"piu",
    172 		{ VRC4173ICU_PIUINTR, VRC4173ICU_DOZEPIUINTR},
    173 		VRC4173CMU_CLKMSK_PIU,
    174 		VRC4173ICU_PIUINT,	VRC4173ICU_MPIUINT,
    175 	},
    176 	[VRIP_UNIT_AIU] = {
    177 		"aiu",
    178 		{ VRC4173ICU_AIUINTR,	},
    179 		VRC4173CMU_CLKMSK_AIU,
    180 		VRC4173ICU_AIUINT,	VRC4173ICU_MAIUINT,
    181 	},
    182 	[VRIP_UNIT_GIU] = {
    183 		"giu",
    184 		{ VRC4173ICU_GIUINTR,	},
    185 		0,
    186 		VRC4173ICU_GIULINT,	VRC4173ICU_MGIULINT,
    187 		VRC4173ICU_GIUHINT,	VRC4173ICU_MGIUHINT,
    188 	},
    189 	[VRIP_UNIT_PS2U0] = {
    190 		"PS/2-Ch1",
    191 		{ VRC4173ICU_PS2CH1INTR,	},
    192 		VRC4173CMU_CLKMSK_PS2CH1,
    193 	},
    194 	[VRIP_UNIT_PS2U1] = {
    195 		"PS/2-Ch2",
    196 		{ VRC4173ICU_PS2CH2INTR,	},
    197 		VRC4173CMU_CLKMSK_PS2CH2,
    198 	},
    199 	[VRIP_UNIT_USBU] = {
    200 		"usbu",
    201 		{ VRC4173ICU_USBINTR,	},
    202 		VRC4173CMU_CLKMSK_USB,
    203 	},
    204 	[VRIP_UNIT_CARDU0] = {
    205 		"cardu0",
    206 		{ VRC4173ICU_PCMCIA1INTR,	},
    207 		VRC4173CMU_CLKMSK_CARD1,
    208 	},
    209 	[VRIP_UNIT_CARDU1] = {
    210 		"cardu1",
    211 		{ VRC4173ICU_PCMCIA2INTR,	},
    212 		VRC4173CMU_CLKMSK_CARD2,
    213 	},
    214 };
    215 
    216 CFATTACH_DECL_NEW(vrc4173bcu, sizeof(struct vrc4173bcu_softc),
    217     vrc4173bcu_match, vrc4173bcu_attach, NULL, NULL);
    218 
    219 static const struct vrip_chipset_tag vrc4173bcu_chipset_methods = {
    220 	.vc_power		= __vrc4173bcu_power,
    221 	.vc_intr_establish	= __vrc4173bcu_intr_establish,
    222 	.vc_intr_disestablish	= __vrc4173bcu_intr_disestablish,
    223 	.vc_intr_setmask1	= __vrc4173bcu_intr_setmask1,
    224 	.vc_intr_setmask2	= __vrc4173bcu_intr_setmask2,
    225 	.vc_intr_getstatus2	= __vrc4173bcu_intr_getstatus2,
    226 	.vc_register_cmu	= __vrc4173bcu_register_cmu,
    227 	.vc_register_gpio	= __vrc4173bcu_register_gpio,
    228 	.vc_register_dmaau	= __vrc4173bcu_register_dmaau,
    229 	.vc_register_dcu	= __vrc4173bcu_register_dcu,
    230 };
    231 
    232 int
    233 vrc4173bcu_match(device_t parent, cfdata_t match, void *aux)
    234 {
    235 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
    236 
    237 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NEC &&
    238 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NEC_VRC4173_BCU)
    239 		return (1);
    240 
    241 	return (0);
    242 }
    243 
    244 void
    245 vrc4173bcu_attach(device_t parent, device_t self, void *aux)
    246 {
    247 	struct vrc4173bcu_softc *sc = device_private(self);
    248 	struct pci_attach_args *pa = aux;
    249 	pci_chipset_tag_t pc = pa->pa_pc;
    250 	pcitag_t tag = pa->pa_tag;
    251 	pcireg_t csr;
    252 	char devinfo[256];
    253 	u_int16_t reg;
    254 	pci_intr_handle_t ih;
    255 	const char *intrstr;
    256 	int bus, device, function;
    257 	char ibuf[PCI_INTRSTR_LEN];
    258 #ifdef DEBUG
    259 	char buf[80];
    260 #endif
    261 
    262 	sc->sc_dev = self;
    263 
    264 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
    265 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
    266 
    267 #if 0
    268 	printf("%s: ", device_xname(self));
    269 	pci_conf_print(pa->pa_pc, pa->pa_tag, NULL);
    270 #endif
    271 
    272 	sc->sc_pc = pc;
    273 	sc->sc_cmuchip.cc_sc = sc;
    274 	sc->sc_cmuchip.cc_clock = __vrc4173bcu_clock;
    275 	sc->sc_units = vrc4173bcu_units;
    276 	sc->sc_nunits = sizeof(vrc4173bcu_units)/sizeof(struct vrc4173bcu_unit);
    277 	sc->sc_chipset = vrc4173bcu_chipset_methods; /* structure assignment */
    278 	sc->sc_chipset.vc_sc = sc;
    279 
    280 	sc->sc_platdep = platid_search(&platid, platdep_table,
    281 	    sizeof(platdep_table)/sizeof(*platdep_table),
    282 	    sizeof(*platdep_table));
    283 
    284 	/* Map I/O registers */
    285 	if (pci_mapreg_map(pa, VRC4173BCU_BADR, PCI_MAPREG_TYPE_IO, 0,
    286 	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
    287 		printf("%s: can't map mem space\n", device_xname(self));
    288 		return;
    289 	}
    290 
    291 	/* Enable the device. */
    292 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    293 	DPRINTF(("%s: csr = 0x%08x", device_xname(self), csr));
    294 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
    295 	    csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE);
    296 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
    297 	DPRINTF((" -> 0x%08x\n", csr));
    298 
    299 	csr = pci_conf_read(pc, tag, VRC4173BCU_BADR);
    300 	DPRINTF(("%s: base addr = %x@0x%08x\n", device_xname(self),
    301 	    (int)sc->sc_size, csr));
    302 	DPRINTF(("%s: iot = 0x%08x, ioh = 0x%08x\n", device_xname(self),
    303 	    (int)sc->sc_iot, (int)sc->sc_ioh));
    304 
    305 	/*
    306 	 * Map I/O space for ICU.
    307 	 */
    308 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
    309 	    VRC4173ICU_IOBASE, VRC4173ICU_IOSIZE, &sc->sc_icuh)) {
    310 		printf(": can't map ICU i/o space\n");
    311 		return;
    312 	}
    313 
    314 	/*
    315 	 * Map I/O space for CMU.
    316 	 */
    317 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
    318 	    VRC4173CMU_IOBASE, VRC4173CMU_IOSIZE, &sc->sc_cmuh)) {
    319 		printf(": can't map CMU i/o space\n");
    320 		return;
    321 	}
    322 
    323 	/* machine dependent setup */
    324 	if (sc->sc_platdep->clkmask == USE_WINCE_CLKMASK) {
    325 		/* XXX, You can nothing! */
    326 		reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh,
    327 		    VRC4173CMU_CLKMSK);
    328 		printf("%s: default clock mask is %04x\n",
    329 		    device_xname(self), reg);
    330 	} else {
    331 		/* assert all reset bits */
    332 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST,
    333 		    VRC4173CMU_SRST_AC97 | VRC4173CMU_SRST_USB |
    334 		    VRC4173CMU_SRST_CARD2 | VRC4173CMU_SRST_CARD1);
    335 		/* set clock mask */
    336 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh,
    337 		    VRC4173CMU_CLKMSK, sc->sc_platdep->clkmask);
    338 		/* clear reset bit */
    339 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST, 0);
    340 	}
    341 
    342 #ifdef DEBUG
    343 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
    344 	snprintb(buf, sizeof(buf),
    345 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    346 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    347 	printf("%s: SYSINT1 = %s\n", device_xname(self), buf);
    348 
    349 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MKIUINT);
    350 	snprintb(buf, sizeof(buf),
    351 	    "\20\1SCANINT\2KDATRDY\3KDATLOST\4B3\5B4\6B5\7B6\10B7"
    352 	    "\11B8\12B9\13B10\14B11\15B12\16B13\17B14\20B15", reg);
    353 	printf("%s: MKIUINT = %s\n", device_xname(self), buf);
    354 
    355 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
    356 	snprintb(buf, sizeof(buf),
    357 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    358 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    359 	printf("%s: MSYSINT1 = %s\n", device_xname(self), buf);
    360 
    361 #if 1
    362 	reg = VRC4173ICU_USBINTR | VRC4173ICU_PIUINTR | VRC4173ICU_KIUINTR |
    363 	    VRC4173ICU_DOZEPIUINTR;
    364 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1, reg);
    365 
    366 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
    367 	snprintb(buf, sizeof(buf),
    368 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    369 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    370 	printf("%s: MSYSINT1 = %s\n", device_xname(self), buf);
    371 #endif
    372 #endif
    373 
    374 	/*
    375 	 * set interrupt mask
    376 	 */
    377 	sc->sc_intrmask = sc->sc_platdep->intrmask;
    378 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
    379 	    sc->sc_intrmask);
    380 
    381 	/*
    382 	 * install interrupt handler
    383 	 */
    384 	if (pci_intr_map(pa, &ih)) {
    385 		printf("%s: couldn't map interrupt\n", device_xname(self));
    386 		return;
    387 	}
    388 	intrstr = pci_intr_string(pc, ih, ibuf, sizeof(ibuf));
    389 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, vrc4173bcu_intr, sc);
    390 	if (sc->sc_ih == NULL) {
    391 		printf("%s: couldn't establish interrupt",
    392 		    device_xname(self));
    393 		if (intrstr != NULL)
    394 			printf(" at %s", intrstr);
    395 		printf("\n");
    396 		return;
    397 	}
    398 	printf("%s: interrupting at %s\n", device_xname(self), intrstr);
    399 
    400 	/*
    401 	 * install pci intr hooks
    402 	 */
    403 	pci_decompose_tag(pc, pa->pa_intrtag, &bus, &device, &function);
    404 	/* USB unit */
    405 	if (sc->sc_intrmask & (1 << VRC4173ICU_USBINTR))
    406 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_USBU, 0,
    407 		    IPL_NET, vrc4173bcu_pci_intr,
    408 		    config_connect(CONFIG_HOOK_PCIINTR,
    409 			CONFIG_HOOK_PCIINTR_ID(bus, device, 2)));
    410 	/* PC card unit 1 */
    411 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA1INTR))
    412 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU0, 0,
    413 		    IPL_NET, vrc4173bcu_pci_intr,
    414 		    config_connect(CONFIG_HOOK_PCIINTR,
    415 			CONFIG_HOOK_PCIINTR_ID(bus, 1, 0)));
    416 	/* PC card unit 2 */
    417 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA2INTR))
    418 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU1, 0,
    419 		    IPL_NET, vrc4173bcu_pci_intr,
    420 		    config_connect(CONFIG_HOOK_PCIINTR,
    421 			CONFIG_HOOK_PCIINTR_ID(bus, 2, 0)));
    422 
    423 	/*
    424 	 *  Attach each devices
    425 	 *  sc->sc_pri = 2~1
    426 	 */
    427 	for (sc->sc_pri = 2; 0 < sc->sc_pri; sc->sc_pri--) {
    428 		config_search(self, NULL,
    429 		    CFARGS(.search = vrc4173bcu_search));
    430 	}
    431 }
    432 
    433 int
    434 vrc4173bcu_print(void *aux, const char *hoge)
    435 {
    436 	struct vrip_attach_args *va = (struct vrip_attach_args*)aux;
    437 
    438 	if (va->va_addr != VRIPIFCF_ADDR_DEFAULT)
    439 		aprint_normal(" addr 0x%04lx", va->va_addr);
    440 	if (va->va_size != VRIPIFCF_SIZE_DEFAULT)
    441 		aprint_normal("-%04lx",
    442 		    (va->va_addr + va->va_size - 1) & 0xffff);
    443 	if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT)
    444 		aprint_normal(", 0x%04lx", va->va_addr2);
    445 	if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT)
    446 		aprint_normal("-%04lx",
    447 		    (va->va_addr2 + va->va_size2 - 1) & 0xffff);
    448 
    449 	return (UNCONF);
    450 }
    451 
    452 int
    453 vrc4173bcu_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
    454 {
    455 	struct vrc4173bcu_softc *sc = device_private(parent);
    456 	struct vrip_attach_args va;
    457 
    458 	memset(&va, 0, sizeof(va));
    459 	va.va_vc = &sc->sc_chipset;
    460 	va.va_iot = sc->sc_iot;
    461 	va.va_parent_ioh = sc->sc_ioh;
    462 	va.va_unit = cf->cf_loc[VRIPIFCF_UNIT];
    463 	va.va_addr = cf->cf_loc[VRIPIFCF_ADDR];
    464 	va.va_size = cf->cf_loc[VRIPIFCF_SIZE];
    465 	va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2];
    466 	va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2];
    467 	va.va_gpio_chips = NULL;	/* XXX */
    468 	va.va_cc = sc->sc_chipset.vc_cc;
    469 	va.va_ac = sc->sc_chipset.vc_ac;
    470 	va.va_dc = sc->sc_chipset.vc_dc;
    471 	if (/*XXX*/config_probe(parent, cf, &va) == sc->sc_pri)
    472 		config_attach(parent, cf, &va, vrc4173bcu_print, CFARGS_NONE);
    473 
    474 	return (0);
    475 }
    476 
    477 int
    478 vrc4173bcu_intr(void *arg)
    479 {
    480 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)arg;
    481 	u_int16_t reg;
    482 	struct vrc4173bcu_intrhand *ih;
    483 	int i;
    484 
    485 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
    486 	reg &= sc->sc_intrmask;
    487 	if (reg == 0)
    488 		return (0);
    489 
    490 #if 0
    491     {
    492 	char buf[80];
    493 	snprintb(buf, sizeof(buf),
    494 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
    495 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15", reg);
    496 	printf("%s: %s\n", device_xname(sc->sc_dev), buf);
    497     }
    498 #endif
    499 	for (ih = sc->sc_intrhands, i = 0; i < VRC4173BCU_NINTRS; i++, ih++)
    500 		if ((reg & (1 << i)) && ih->ih_fun != NULL)
    501 			ih->ih_fun(ih->ih_arg);
    502 
    503 	return (1);
    504 }
    505 
    506 static int
    507 vrc4173bcu_pci_intr(void *arg)
    508 {
    509 	config_call_tag ct = (config_call_tag)arg;
    510 	config_connected_call(ct, NULL);
    511 
    512 	return (0);
    513 }
    514 
    515 #ifdef VRC4173BCU_DEBUG
    516 static void
    517 vrc4173bcu_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
    518 {
    519 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    520 	struct vrc4173bcu_intrhand *ih = handle;
    521 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    522 	u_int32_t reg;
    523 
    524 	if (vu->vu_mlreg) {
    525 		DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0]));
    526 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
    527 		if (vu->vu_mhreg) {
    528 			reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,
    529 			    vu->vu_mhreg) << 16);
    530 			dbg_bit_print(reg);
    531 		} else
    532 			dbg_bit_print(reg);
    533 	}
    534 }
    535 #endif
    536 
    537 int
    538 __vrc4173bcu_power(vrip_chipset_tag_t vc, int unit, int onoff)
    539 {
    540 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    541 	const struct vrc4173bcu_unit *vu;
    542 
    543 	if (sc->sc_chipset.vc_cc == NULL)
    544 		return (0);	/* You have no clock mask unit yet. */
    545 	if (!VALID_UNIT(sc, unit))
    546 		return (0);
    547 	vu = &sc->sc_units[unit];
    548 
    549 	return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc,
    550 	    vu->vu_clkmask, onoff);
    551 }
    552 
    553 vrip_intr_handle_t
    554 __vrc4173bcu_intr_establish(vrip_chipset_tag_t vc, int unit, int line,
    555     int level, int (*ih_fun)(void *), void *ih_arg)
    556 {
    557 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    558 	const struct vrc4173bcu_unit *vu;
    559 	struct vrc4173bcu_intrhand *ih;
    560 
    561 	if (!VALID_UNIT(sc, unit))
    562 		return (NULL);
    563 	vu = &sc->sc_units[unit];
    564 	ih = &sc->sc_intrhands[vu->vu_intr[line]];
    565 	if (ih->ih_fun) /* Can't share level 1 interrupt */
    566 		return (NULL);
    567 	ih->ih_fun = ih_fun;
    568 	ih->ih_arg = ih_arg;
    569 	ih->ih_unit = vu;
    570 
    571 	/* Mask level 2 interrupt mask register. (disable interrupt) */
    572 	vrip_intr_setmask2(vc, ih, ~0, 0);
    573 	/* Unmask  Level 1 interrupt mask register (enable interrupt) */
    574 	vrip_intr_setmask1(vc, ih, 1);
    575 
    576 	return ((void *)ih);
    577 }
    578 
    579 void
    580 __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
    581 {
    582 	struct vrc4173bcu_intrhand *ih = handle;
    583 
    584 	/* Mask  Level 1 interrupt mask register (disable interrupt) */
    585 	vrip_intr_setmask1(vc, ih, 0);
    586 	/* Mask level 2 interrupt mask register(if any). (disable interrupt) */
    587 	vrip_intr_setmask2(vc, ih, ~0, 0);
    588 	ih->ih_fun = NULL;
    589 	ih->ih_arg = NULL;
    590 }
    591 
    592 /* Set level 1 interrupt mask. */
    593 void
    594 __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    595     int enable)
    596 {
    597 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    598 	struct vrc4173bcu_intrhand *ih = handle;
    599 	int level1 = ih - sc->sc_intrhands;
    600 
    601 	DPRINTF(("__vrc4173bcu_intr_setmask1: SYSINT: %s %d\n",
    602 		 enable ? "enable" : "disable", level1));
    603 	if (enable)
    604 		sc->sc_intrmask |= (1 << level1);
    605 	else
    606 		sc->sc_intrmask &= ~(1 << level1);
    607 	bus_space_write_2 (sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
    608 	    sc->sc_intrmask);
    609 #ifdef VRC4173BCU_DEBUG
    610 	if (vrc4173bcu_debug)
    611 		dbg_bit_print(sc->sc_intrmask);
    612 #endif
    613 
    614 	return;
    615 }
    616 
    617 /* Get level 2 interrupt status */
    618 void
    619 __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    620     u_int32_t *status /* Level 2 status */)
    621 {
    622 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    623 	struct vrc4173bcu_intrhand *ih = handle;
    624 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    625 	u_int32_t reg;
    626 
    627 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_lreg);
    628 	reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,  vu->vu_hreg) << 16);
    629 	*status = reg;
    630 }
    631 
    632 /* Set level 2 interrupt mask. */
    633 void
    634 __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
    635     u_int32_t mask /* Level 2 mask */, int onoff)
    636 {
    637 	struct vrc4173bcu_softc *sc = vc->vc_sc;
    638 	struct vrc4173bcu_intrhand *ih = handle;
    639 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
    640 	u_int16_t reg;
    641 
    642 	DPRINTF(("vrc4173bcu_intr_setmask2:\n"));
    643 #ifdef VRC4173BCU_DEBUG
    644 	if (vrc4173bcu_debug)
    645 		vrc4173bcu_dump_level2mask(vc, handle);
    646 #endif
    647 	if (vu->vu_mlreg) {
    648 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
    649 		if (onoff)
    650 			reg |= (mask & 0xffff);
    651 		else
    652 			reg &= ~(mask & 0xffff);
    653 		bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg);
    654 	}
    655 	if (vu->vu_mhreg) {
    656 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg);
    657 		if (onoff)
    658 			reg |= ((mask >> 16) & 0xffff);
    659 		else
    660 			reg &= ~((mask >> 16) & 0xffff);
    661 		bus_space_write_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg, reg);
    662 	}
    663 #ifdef VRC4173BCU_DEBUG
    664 	if (vrc4173bcu_debug)
    665 		vrc4173bcu_dump_level2mask(vc, handle);
    666 #endif
    667 
    668 	return;
    669 }
    670 
    671 int
    672 __vrc4173bcu_clock(vrcmu_chipset_tag_t cc, u_int16_t mask, int onoff)
    673 {
    674 	struct vrc4173bcu_softc *sc = cc->cc_sc;
    675 	u_int16_t reg;
    676 
    677 	reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK);
    678 #if 0
    679 	printf("cmu register(enter):");
    680 	dbg_bit_print(reg);
    681 #endif
    682 	if (onoff)
    683 		reg |= mask;
    684 	else
    685 		reg &= ~mask;
    686 	bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK, reg);
    687 #if 0
    688 	printf("cmu register(exit) :");
    689 	dbg_bit_print(reg);
    690 #endif
    691 	return (0);
    692 }
    693 
    694 void
    695 __vrc4173bcu_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu)
    696 {
    697 	vc->vc_cc = cmu;
    698 }
    699 
    700 void
    701 __vrc4173bcu_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip)
    702 {
    703 	/* XXX, not implemented yet */
    704 }
    705 
    706 void
    707 __vrc4173bcu_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau)
    708 {
    709 
    710 	vc->vc_ac = dmaau;
    711 }
    712 
    713 void
    714 __vrc4173bcu_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu)
    715 {
    716 
    717 	vc->vc_dc = dcu;
    718 }
    719