xref: /netbsd/sys/arch/hpcmips/vr/vrc4173bcu.c (revision c4a72b64)
1 /*	$NetBSD: vrc4173bcu.c,v 1.11 2002/10/02 05:26:54 thorpej 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/param.h>
30 #include <sys/systm.h>
31 #include <sys/device.h>
32 
33 #include <machine/bus.h>
34 
35 #include <dev/pci/pcivar.h>
36 #include <dev/pci/pcidevs.h>
37 
38 #include <machine/platid.h>
39 #include <machine/platid_mask.h>
40 #include <machine/config_hook.h>
41 
42 #include <hpcmips/vr/vripunit.h>
43 #include <hpcmips/vr/vripif.h>
44 #include <hpcmips/vr/vrc4173bcuvar.h>
45 #include <hpcmips/vr/vrc4173icureg.h>
46 #include <hpcmips/vr/vrc4173cmureg.h>
47 
48 #ifdef VRC4173BCU_DEBUG
49 #define DPRINTF_ENABLE
50 #define DPRINTF_DEBUG	vrc4173bcu_debug
51 #endif
52 #define USE_HPC_DPRINTF
53 #include <machine/debug.h>
54 
55 #define	VRC4173BCU_BADR		0x10
56 #define USE_WINCE_CLKMASK	(~0)
57 
58 static int	vrc4173bcu_match(struct device *, struct cfdata *, void *);
59 static void	vrc4173bcu_attach(struct device *, struct device *, void *);
60 static int	vrc4173bcu_intr(void *);
61 static int	vrc4173bcu_print(void *, const char *);
62 static int	vrc4173bcu_search(struct device *, struct cfdata *cf, void *);
63 static int	vrc4173bcu_pci_intr(void *);
64 #ifdef VRC4173BCU_DEBUG
65 static void	vrc4173bcu_dump_level2mask(vrip_chipset_tag_t,
66 		    vrip_intr_handle_t);
67 #endif
68 
69 int __vrc4173bcu_power(vrip_chipset_tag_t, int, int);
70 vrip_intr_handle_t __vrc4173bcu_intr_establish(vrip_chipset_tag_t, int, int,
71     int, int(*)(void*), void*);
72 void __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t);
73 void __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int);
74 void __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t,
75     u_int32_t, int);
76 void __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t,
77     u_int32_t*);
78 void __vrc4173bcu_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t);
79 void __vrc4173bcu_register_gpio(vrip_chipset_tag_t, hpcio_chip_t);
80 void __vrc4173bcu_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t);
81 void __vrc4173bcu_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t);
82 int __vrc4173bcu_clock(vrcmu_chipset_tag_t, u_int16_t, int);
83 
84 /*
85  * machine dependent info
86  */
87 static struct vrc4173bcu_platdep {
88 	platid_mask_t *platidmask;
89 	u_int32_t clkmask;
90 	int intrmask;
91 } platdep_table[] = {
92 	{
93 		&platid_mask_MACH_VICTOR_INTERLINK_MPC303,
94 		USE_WINCE_CLKMASK,		/* clock mask */
95 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
96 		(1 << VRC4173ICU_PCMCIA1INTR)|
97 		(1 << VRC4173ICU_PCMCIA2INTR),
98 	},
99 	{
100 		&platid_mask_MACH_VICTOR_INTERLINK_MPC304,
101 		USE_WINCE_CLKMASK,		/* clock mask */
102 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
103 		(1 << VRC4173ICU_PCMCIA1INTR)|
104 		(1 << VRC4173ICU_PCMCIA2INTR),
105 	},
106 	{
107 		&platid_mask_MACH_NEC_MCR_SIGMARION2,
108 		USE_WINCE_CLKMASK,		/* clock mask */
109 		(1 << VRC4173ICU_USBINTR),	/* intrrupts */
110 	},
111 	{
112 		&platid_wild,
113 		USE_WINCE_CLKMASK,	/* XXX */
114 		-1,
115 	},
116 };
117 
118 struct vrc4173bcu_unit {
119 	char	*vu_name;
120 	int	vu_intr[2];
121 	int	vu_clkmask;
122 	bus_addr_t	vu_lreg;
123 	bus_addr_t	vu_mlreg;
124 	bus_addr_t	vu_hreg;
125 	bus_addr_t	vu_mhreg;
126 };
127 
128 struct vrc4173bcu_softc {
129 	struct device sc_dev;
130 	struct vrip_chipset_tag sc_chipset;
131 	struct vrcmu_chipset_tag sc_cmuchip;
132 
133 	pci_chipset_tag_t sc_pc;
134 	bus_space_tag_t sc_iot;
135 	bus_space_handle_t sc_ioh;
136 	bus_size_t sc_size;
137 
138 	bus_space_handle_t sc_icuh;	/* I/O handle for ICU. */
139 	bus_space_handle_t sc_cmuh;	/* I/O handle for CMU. */
140 	void *sc_ih;
141 #define VRC4173BCU_NINTRS	16
142 	int sc_intrmask;
143 	struct vrc4173bcu_intrhand {
144 		int	(*ih_fun)(void *);
145 		void	*ih_arg;
146 		const struct vrc4173bcu_unit *ih_unit;
147 	} sc_intrhands[32];
148 
149 	struct vrc4173bcu_unit *sc_units;
150 	int sc_nunits;
151 	int sc_pri;
152 
153 	struct vrc4173bcu_platdep *sc_platdep;
154 };
155 
156 #define VALID_UNIT(sc, unit)	(0 <= (unit) && (unit) < (sc)->sc_nunits)
157 
158 static struct vrc4173bcu_unit vrc4173bcu_units[] = {
159 	[VRIP_UNIT_KIU] = {
160 		"kiu",
161 		{ VRC4173ICU_KIUINTR,	},
162 		VRC4173CMU_CLKMSK_KIU,
163 		VRC4173ICU_KIUINT,	VRC4173ICU_MKIUINT,
164 	},
165 	[VRIP_UNIT_PIU] = {
166 		"piu",
167 		{ VRC4173ICU_PIUINTR, VRC4173ICU_DOZEPIUINTR},
168 		VRC4173CMU_CLKMSK_PIU,
169 		VRC4173ICU_PIUINT,	VRC4173ICU_MPIUINT,
170 	},
171 	[VRIP_UNIT_AIU] = {
172 		"aiu",
173 		{ VRC4173ICU_AIUINTR,	},
174 		VRC4173CMU_CLKMSK_AIU,
175 		VRC4173ICU_AIUINT,	VRC4173ICU_MAIUINT,
176 	},
177 	[VRIP_UNIT_GIU] = {
178 		"giu",
179 		{ VRC4173ICU_GIUINTR,	},
180 		0,
181 		VRC4173ICU_GIULINT,	VRC4173ICU_MGIULINT,
182 		VRC4173ICU_GIUHINT,	VRC4173ICU_MGIUHINT,
183 	},
184 	[VRIP_UNIT_PS2U0] = {
185 		"PS/2-Ch1",
186 		{ VRC4173ICU_PS2CH1INTR,	},
187 		VRC4173CMU_CLKMSK_PS2CH1,
188 	},
189 	[VRIP_UNIT_PS2U1] = {
190 		"PS/2-Ch2",
191 		{ VRC4173ICU_PS2CH2INTR,	},
192 		VRC4173CMU_CLKMSK_PS2CH2,
193 	},
194 	[VRIP_UNIT_USBU] = {
195 		"usbu",
196 		{ VRC4173ICU_USBINTR,	},
197 		VRC4173CMU_CLKMSK_USB,
198 	},
199 	[VRIP_UNIT_CARDU0] = {
200 		"cardu0",
201 		{ VRC4173ICU_PCMCIA1INTR,	},
202 		VRC4173CMU_CLKMSK_CARD1,
203 	},
204 	[VRIP_UNIT_CARDU1] = {
205 		"cardu1",
206 		{ VRC4173ICU_PCMCIA2INTR,	},
207 		VRC4173CMU_CLKMSK_CARD2,
208 	},
209 };
210 
211 CFATTACH_DECL(vrc4173bcu, sizeof(struct vrc4173bcu_softc),
212     vrc4173bcu_match, vrc4173bcu_attach, NULL, NULL);
213 
214 static const struct vrip_chipset_tag vrc4173bcu_chipset_methods = {
215 	.vc_power		= __vrc4173bcu_power,
216 	.vc_intr_establish	= __vrc4173bcu_intr_establish,
217 	.vc_intr_disestablish	= __vrc4173bcu_intr_disestablish,
218 	.vc_intr_setmask1	= __vrc4173bcu_intr_setmask1,
219 	.vc_intr_setmask2	= __vrc4173bcu_intr_setmask2,
220 	.vc_intr_getstatus2	= __vrc4173bcu_intr_getstatus2,
221 	.vc_register_cmu	= __vrc4173bcu_register_cmu,
222 	.vc_register_gpio	= __vrc4173bcu_register_gpio,
223 	.vc_register_dmaau	= __vrc4173bcu_register_dmaau,
224 	.vc_register_dcu	= __vrc4173bcu_register_dcu,
225 };
226 
227 int
228 vrc4173bcu_match(struct device *parent, struct cfdata *match, void *aux)
229 {
230 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
231 
232 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NEC &&
233 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NEC_VRC4173_BCU)
234 		return (1);
235 
236 	return (0);
237 }
238 
239 void
240 vrc4173bcu_attach(struct device *parent, struct device *self, void *aux)
241 {
242 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)self;
243 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
244 	pci_chipset_tag_t pc = pa->pa_pc;
245 	pcitag_t tag = pa->pa_tag;
246 	pcireg_t csr;
247 	char devinfo[256];
248 	u_int16_t reg;
249 	pci_intr_handle_t ih;
250 	const char *intrstr;
251 	int bus, device, function;
252 #ifdef DEBUG
253 	char buf[80];
254 #endif
255 
256 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
257 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
258 
259 #if 0
260 	printf("%s: ", sc->sc_dev.dv_xname);
261 	pci_conf_print(pa->pa_pc, pa->pa_tag, NULL);
262 #endif
263 
264 	sc->sc_pc = pc;
265 	sc->sc_cmuchip.cc_sc = sc;
266 	sc->sc_cmuchip.cc_clock = __vrc4173bcu_clock;
267 	sc->sc_units = vrc4173bcu_units;
268 	sc->sc_nunits = sizeof(vrc4173bcu_units)/sizeof(struct vrc4173bcu_unit);
269 	sc->sc_chipset = vrc4173bcu_chipset_methods; /* structure assignment */
270 	sc->sc_chipset.vc_sc = sc;
271 
272 	sc->sc_platdep = platid_search(&platid, platdep_table,
273 	    sizeof(platdep_table)/sizeof(*platdep_table),
274 	    sizeof(*platdep_table));
275 
276 	/* Map I/O registers */
277 	if (pci_mapreg_map(pa, VRC4173BCU_BADR, PCI_MAPREG_TYPE_IO, 0,
278 	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
279 		printf("%s: can't map mem space\n", sc->sc_dev.dv_xname);
280 		return;
281 	}
282 
283 	/* Enable the device. */
284 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
285 	DPRINTF(("%s: csr = 0x%08x", sc->sc_dev.dv_xname, csr));
286 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
287 	    csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE);
288 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
289 	DPRINTF((" -> 0x%08x\n", csr));
290 
291 	csr = pci_conf_read(pc, tag, VRC4173BCU_BADR);
292 	DPRINTF(("%s: base addr = %x@0x%08x\n", sc->sc_dev.dv_xname,
293 	    (int)sc->sc_size, csr));
294 	DPRINTF(("%s: iot = 0x%08x, ioh = 0x%08x\n", sc->sc_dev.dv_xname,
295 	    (int)sc->sc_iot, (int)sc->sc_ioh));
296 
297 	/*
298 	 * Map I/O space for ICU.
299 	 */
300 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
301 	    VRC4173ICU_IOBASE, VRC4173ICU_IOSIZE, &sc->sc_icuh)) {
302 		printf(": can't map ICU i/o space\n");
303 		return;
304 	}
305 
306 	/*
307 	 * Map I/O space for CMU.
308 	 */
309 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
310 	    VRC4173CMU_IOBASE, VRC4173CMU_IOSIZE, &sc->sc_cmuh)) {
311 		printf(": can't map CMU i/o space\n");
312 		return;
313 	}
314 
315 	/* machine dependent setup */
316 	if (sc->sc_platdep->clkmask == USE_WINCE_CLKMASK) {
317 		/* XXX, You can nothing! */
318 		reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh,
319 		    VRC4173CMU_CLKMSK);
320 		printf("%s: default clock mask is %04x\n",
321 		    sc->sc_dev.dv_xname, reg);
322 	} else {
323 		/* assert all reset bits */
324 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST,
325 		    VRC4173CMU_SRST_AC97 | VRC4173CMU_SRST_USB |
326 		    VRC4173CMU_SRST_CARD2 | VRC4173CMU_SRST_CARD1);
327 		/* set clock mask */
328 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh,
329 		    VRC4173CMU_CLKMSK, sc->sc_platdep->clkmask);
330 		/* clear reset bit */
331 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST, 0);
332 	}
333 
334 #ifdef DEBUG
335 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
336 	bitmask_snprintf(reg,
337 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
338 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
339 	    buf, sizeof(buf));
340 	printf("%s: SYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
341 
342 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MKIUINT);
343 	bitmask_snprintf(reg,
344 	    "\20\1SCANINT\2KDATRDY\3KDATLOST\4B3\5B4\6B5\7B6\10B7"
345 	    "\11B8\12B9\13B10\14B11\15B12\16B13\17B14\20B15",
346 	    buf, sizeof(buf));
347 	printf("%s: MKIUINT = 0x%s\n", sc->sc_dev.dv_xname, buf);
348 
349 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
350 	bitmask_snprintf(reg,
351 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
352 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
353 	    buf, sizeof(buf));
354 	printf("%s: MSYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
355 
356 #if 1
357 	reg = VRC4173ICU_USBINTR | VRC4173ICU_PIUINTR | VRC4173ICU_KIUINTR |
358 	    VRC4173ICU_DOZEPIUINTR;
359 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1, reg);
360 
361 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
362 	bitmask_snprintf(reg,
363 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
364 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
365 	    buf, sizeof(buf));
366 	printf("%s: MSYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
367 #endif
368 #endif
369 
370 	/*
371 	 * set interrupt mask
372 	 */
373 	sc->sc_intrmask = sc->sc_platdep->intrmask;
374 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
375 	    sc->sc_intrmask);
376 
377 	/*
378 	 * install interrupt handler
379 	 */
380 	if (pci_intr_map(pa, &ih)) {
381 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
382 		return;
383 	}
384 	intrstr = pci_intr_string(pc, ih);
385 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, vrc4173bcu_intr, sc);
386 	if (sc->sc_ih == NULL) {
387 		printf("%s: couldn't establish interrupt",
388 		    sc->sc_dev.dv_xname);
389 		if (intrstr != NULL)
390 			printf(" at %s", intrstr);
391 		printf("\n");
392 		return;
393 	}
394 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
395 
396 	/*
397 	 * install pci intr hooks
398 	 */
399 	pci_decompose_tag(pc, pa->pa_intrtag, &bus, &device, &function);
400 	/* USB unit */
401 	if (sc->sc_intrmask & (1 << VRC4173ICU_USBINTR))
402 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_USBU, 0,
403 		    IPL_NET, vrc4173bcu_pci_intr,
404 		    config_connect(CONFIG_HOOK_PCIINTR,
405 			CONFIG_HOOK_PCIINTR_ID(bus, device, 2)));
406 	/* PC card unit 1 */
407 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA1INTR))
408 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU0, 0,
409 		    IPL_NET, vrc4173bcu_pci_intr,
410 		    config_connect(CONFIG_HOOK_PCIINTR,
411 			CONFIG_HOOK_PCIINTR_ID(bus, 1, 0)));
412 	/* PC card unit 2 */
413 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA2INTR))
414 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU1, 0,
415 		    IPL_NET, vrc4173bcu_pci_intr,
416 		    config_connect(CONFIG_HOOK_PCIINTR,
417 			CONFIG_HOOK_PCIINTR_ID(bus, 2, 0)));
418 
419 	/*
420 	 *  Attach each devices
421 	 *  sc->sc_pri = 2~1
422 	 */
423 	for (sc->sc_pri = 2; 0 < sc->sc_pri; sc->sc_pri--)
424 		config_search(vrc4173bcu_search, self, vrc4173bcu_print);
425 }
426 
427 int
428 vrc4173bcu_print(void *aux, const char *hoge)
429 {
430 	struct vrip_attach_args *va = (struct vrip_attach_args*)aux;
431 
432 	if (va->va_addr != VRIPIFCF_ADDR_DEFAULT)
433 		printf(" addr 0x%04lx", va->va_addr);
434 	if (va->va_size != VRIPIFCF_SIZE_DEFAULT)
435 		printf("-%04lx", (va->va_addr + va->va_size - 1) & 0xffff);
436 	if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT)
437 		printf(", 0x%04lx", va->va_addr2);
438 	if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT)
439 		printf("-%04lx", (va->va_addr2 + va->va_size2 - 1) & 0xffff);
440 
441 	return (UNCONF);
442 }
443 
444 int
445 vrc4173bcu_search(struct device *parent, struct cfdata *cf, void *aux)
446 {
447 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)parent;
448 	struct vrip_attach_args va;
449 
450 	memset(&va, 0, sizeof(va));
451 	va.va_vc = &sc->sc_chipset;
452 	va.va_iot = sc->sc_iot;
453 	va.va_parent_ioh = sc->sc_ioh;
454 	va.va_unit = cf->cf_loc[VRIPIFCF_UNIT];
455 	va.va_addr = cf->cf_loc[VRIPIFCF_ADDR];
456 	va.va_size = cf->cf_loc[VRIPIFCF_SIZE];
457 	va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2];
458 	va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2];
459 	va.va_gpio_chips = NULL;	/* XXX */
460 	va.va_cc = sc->sc_chipset.vc_cc;
461 	va.va_ac = sc->sc_chipset.vc_ac;
462 	va.va_dc = sc->sc_chipset.vc_dc;
463 	if ((config_match(parent, cf, &va) == sc->sc_pri))
464 		config_attach(parent, cf, &va, vrc4173bcu_print);
465 
466 	return (0);
467 }
468 
469 int
470 vrc4173bcu_intr(void *arg)
471 {
472 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)arg;
473 	u_int16_t reg;
474 	struct vrc4173bcu_intrhand *ih;
475 	int i;
476 
477 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
478 	reg &= sc->sc_intrmask;
479 	if (reg == 0)
480 		return (0);
481 
482 #if 0
483     {
484 	char buf[80];
485 	bitmask_snprintf(reg,
486 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
487 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
488 	    buf, sizeof(buf));
489 	printf("%s: %s\n", sc->sc_dev.dv_xname, buf);
490     }
491 #endif
492 	for (ih = sc->sc_intrhands, i = 0; i < VRC4173BCU_NINTRS; i++, ih++)
493 		if ((reg & (1 << i)) && ih->ih_fun != NULL)
494 			ih->ih_fun(ih->ih_arg);
495 
496 	return (1);
497 }
498 
499 static int
500 vrc4173bcu_pci_intr(void *arg)
501 {
502 	config_call_tag ct = (config_call_tag)arg;
503 	config_connected_call(ct, NULL);
504 
505 	return (0);
506 }
507 
508 #ifdef VRC4173BCU_DEBUG
509 static void
510 vrc4173bcu_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
511 {
512 	struct vrc4173bcu_softc *sc = vc->vc_sc;
513 	struct vrc4173bcu_intrhand *ih = handle;
514 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
515 	u_int32_t reg;
516 
517 	if (vu->vu_mlreg) {
518 		DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0]));
519 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
520 		if (vu->vu_mhreg) {
521 			reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,
522 			    vu->vu_mhreg) << 16);
523 			dbg_bit_print(reg);
524 		} else
525 			dbg_bit_print(reg);
526 	}
527 }
528 #endif
529 
530 int
531 __vrc4173bcu_power(vrip_chipset_tag_t vc, int unit, int onoff)
532 {
533 	struct vrc4173bcu_softc *sc = vc->vc_sc;
534 	const struct vrc4173bcu_unit *vu;
535 
536 	if (sc->sc_chipset.vc_cc == NULL)
537 		return (0);	/* You have no clock mask unit yet. */
538 	if (!VALID_UNIT(sc, unit))
539 		return (0);
540 	vu = &sc->sc_units[unit];
541 
542 	return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc,
543 	    vu->vu_clkmask, onoff);
544 }
545 
546 vrip_intr_handle_t
547 __vrc4173bcu_intr_establish(vrip_chipset_tag_t vc, int unit, int line,
548     int level, int (*ih_fun)(void *), void *ih_arg)
549 {
550 	struct vrc4173bcu_softc *sc = vc->vc_sc;
551 	const struct vrc4173bcu_unit *vu;
552 	struct vrc4173bcu_intrhand *ih;
553 
554 	if (!VALID_UNIT(sc, unit))
555 		return (NULL);
556 	vu = &sc->sc_units[unit];
557 	ih = &sc->sc_intrhands[vu->vu_intr[line]];
558 	if (ih->ih_fun) /* Can't share level 1 interrupt */
559 		return (NULL);
560 	ih->ih_fun = ih_fun;
561 	ih->ih_arg = ih_arg;
562 	ih->ih_unit = vu;
563 
564 	/* Mask level 2 interrupt mask register. (disable interrupt) */
565 	vrip_intr_setmask2(vc, ih, ~0, 0);
566 	/* Unmask  Level 1 interrupt mask register (enable interrupt) */
567 	vrip_intr_setmask1(vc, ih, 1);
568 
569 	return ((void *)ih);
570 }
571 
572 void
573 __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
574 {
575 	struct vrc4173bcu_intrhand *ih = handle;
576 
577 	/* Mask  Level 1 interrupt mask register (disable interrupt) */
578 	vrip_intr_setmask1(vc, ih, 0);
579 	/* Mask level 2 interrupt mask register(if any). (disable interrupt) */
580 	vrip_intr_setmask2(vc, ih, ~0, 0);
581 	ih->ih_fun = NULL;
582 	ih->ih_arg = NULL;
583 }
584 
585 /* Set level 1 interrupt mask. */
586 void
587 __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
588     int enable)
589 {
590 	struct vrc4173bcu_softc *sc = vc->vc_sc;
591 	struct vrc4173bcu_intrhand *ih = handle;
592 	int level1 = ih - sc->sc_intrhands;
593 
594 	DPRINTF(("__vrc4173bcu_intr_setmask1: SYSINT: %s %d\n",
595 		 enable ? "enable" : "disable", level1));
596 	if (enable)
597 		sc->sc_intrmask |= (1 << level1);
598 	else
599 		sc->sc_intrmask &= ~(1 << level1);
600 	bus_space_write_2 (sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
601 	    sc->sc_intrmask);
602 #ifdef VRC4173BCU_DEBUG
603 	if (vrc4173bcu_debug)
604 		dbg_bit_print(sc->sc_intrmask);
605 #endif
606 
607 	return;
608 }
609 
610 /* Get level 2 interrupt status */
611 void
612 __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
613     u_int32_t *status /* Level 2 status */)
614 {
615 	struct vrc4173bcu_softc *sc = vc->vc_sc;
616 	struct vrc4173bcu_intrhand *ih = handle;
617 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
618 	u_int32_t reg;
619 
620 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_lreg);
621 	reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,  vu->vu_hreg) << 16);
622 	*status = reg;
623 }
624 
625 /* Set level 2 interrupt mask. */
626 void
627 __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
628     u_int32_t mask /* Level 2 mask */, int onoff)
629 {
630 	struct vrc4173bcu_softc *sc = vc->vc_sc;
631 	struct vrc4173bcu_intrhand *ih = handle;
632 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
633 	u_int16_t reg;
634 
635 	DPRINTF(("vrc4173bcu_intr_setmask2:\n"));
636 #ifdef VRC4173BCU_DEBUG
637 	if (vrc4173bcu_debug)
638 		vrc4173bcu_dump_level2mask(vc, handle);
639 #endif
640 	if (vu->vu_mlreg) {
641 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
642 		if (onoff)
643 			reg |= (mask & 0xffff);
644 		else
645 			reg &= ~(mask & 0xffff);
646 		bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg);
647 	}
648 	if (vu->vu_mhreg) {
649 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg);
650 		if (onoff)
651 			reg |= ((mask >> 16) & 0xffff);
652 		else
653 			reg &= ~((mask >> 16) & 0xffff);
654 		bus_space_write_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg, reg);
655 	}
656 #ifdef VRC4173BCU_DEBUG
657 	if (vrc4173bcu_debug)
658 		vrc4173bcu_dump_level2mask(vc, handle);
659 #endif
660 
661 	return;
662 }
663 
664 int
665 __vrc4173bcu_clock(vrcmu_chipset_tag_t cc, u_int16_t mask, int onoff)
666 {
667 	struct vrc4173bcu_softc *sc = cc->cc_sc;
668 	u_int16_t reg;
669 
670 	reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK);
671 #if 0
672 	printf("cmu register(enter):");
673 	dbg_bit_print(reg);
674 #endif
675 	if (onoff)
676 		reg |= mask;
677 	else
678 		reg &= ~mask;
679 	bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK, reg);
680 #if 0
681 	printf("cmu register(exit) :");
682 	dbg_bit_print(reg);
683 #endif
684 	return (0);
685 }
686 
687 void
688 __vrc4173bcu_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu)
689 {
690 	vc->vc_cc = cmu;
691 }
692 
693 void
694 __vrc4173bcu_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip)
695 {
696 	/* XXX, not implemented yet */
697 }
698 
699 void
700 __vrc4173bcu_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau)
701 {
702 
703 	vc->vc_ac = dmaau;
704 }
705 
706 void
707 __vrc4173bcu_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu)
708 {
709 
710 	vc->vc_dc = dcu;
711 }
712