xref: /netbsd-src/sys/arch/hpcmips/vr/vrc4173bcu.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: vrc4173bcu.c,v 1.19 2005/12/11 12:17:34 christos 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 1.19 2005/12/11 12:17:34 christos 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(struct device *, struct cfdata *, void *);
64 static void	vrc4173bcu_attach(struct device *, struct device *, void *);
65 static int	vrc4173bcu_intr(void *);
66 static int	vrc4173bcu_print(void *, const char *);
67 static int	vrc4173bcu_search(struct device *, struct cfdata *cf,
68 				  const int *, void *);
69 static int	vrc4173bcu_pci_intr(void *);
70 #ifdef VRC4173BCU_DEBUG
71 static void	vrc4173bcu_dump_level2mask(vrip_chipset_tag_t,
72 		    vrip_intr_handle_t);
73 #endif
74 
75 int __vrc4173bcu_power(vrip_chipset_tag_t, int, int);
76 vrip_intr_handle_t __vrc4173bcu_intr_establish(vrip_chipset_tag_t, int, int,
77     int, int(*)(void*), void*);
78 void __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t);
79 void __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int);
80 void __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t,
81     u_int32_t, int);
82 void __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t,
83     u_int32_t*);
84 void __vrc4173bcu_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t);
85 void __vrc4173bcu_register_gpio(vrip_chipset_tag_t, hpcio_chip_t);
86 void __vrc4173bcu_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t);
87 void __vrc4173bcu_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t);
88 int __vrc4173bcu_clock(vrcmu_chipset_tag_t, u_int16_t, int);
89 
90 /*
91  * machine dependent info
92  */
93 static struct vrc4173bcu_platdep {
94 	platid_mask_t *platidmask;
95 	u_int32_t clkmask;
96 	int intrmask;
97 } platdep_table[] = {
98 	{
99 		&platid_mask_MACH_VICTOR_INTERLINK_MPC303,
100 		USE_WINCE_CLKMASK,		/* clock mask */
101 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
102 		(1 << VRC4173ICU_PCMCIA1INTR)|
103 		(1 << VRC4173ICU_PCMCIA2INTR),
104 	},
105 	{
106 		&platid_mask_MACH_VICTOR_INTERLINK_MPC304,
107 		USE_WINCE_CLKMASK,		/* clock mask */
108 		(1 << VRC4173ICU_USBINTR)|	/* intrrupts */
109 		(1 << VRC4173ICU_PCMCIA1INTR)|
110 		(1 << VRC4173ICU_PCMCIA2INTR),
111 	},
112 	{
113 		&platid_mask_MACH_NEC_MCR_SIGMARION2,
114 		USE_WINCE_CLKMASK,		/* clock mask */
115 		(1 << VRC4173ICU_USBINTR),	/* intrrupts */
116 	},
117 	{
118 		&platid_wild,
119 		USE_WINCE_CLKMASK,	/* XXX */
120 		-1,
121 	},
122 };
123 
124 struct vrc4173bcu_unit {
125 	const char	*vu_name;
126 	int	vu_intr[2];
127 	int	vu_clkmask;
128 	bus_addr_t	vu_lreg;
129 	bus_addr_t	vu_mlreg;
130 	bus_addr_t	vu_hreg;
131 	bus_addr_t	vu_mhreg;
132 };
133 
134 struct vrc4173bcu_softc {
135 	struct device sc_dev;
136 	struct vrip_chipset_tag sc_chipset;
137 	struct vrcmu_chipset_tag sc_cmuchip;
138 
139 	pci_chipset_tag_t sc_pc;
140 	bus_space_tag_t sc_iot;
141 	bus_space_handle_t sc_ioh;
142 	bus_size_t sc_size;
143 
144 	bus_space_handle_t sc_icuh;	/* I/O handle for ICU. */
145 	bus_space_handle_t sc_cmuh;	/* I/O handle for CMU. */
146 	void *sc_ih;
147 #define VRC4173BCU_NINTRS	16
148 	int sc_intrmask;
149 	struct vrc4173bcu_intrhand {
150 		int	(*ih_fun)(void *);
151 		void	*ih_arg;
152 		const struct vrc4173bcu_unit *ih_unit;
153 	} sc_intrhands[32];
154 
155 	struct vrc4173bcu_unit *sc_units;
156 	int sc_nunits;
157 	int sc_pri;
158 
159 	struct vrc4173bcu_platdep *sc_platdep;
160 };
161 
162 #define VALID_UNIT(sc, unit)	(0 <= (unit) && (unit) < (sc)->sc_nunits)
163 
164 static struct vrc4173bcu_unit vrc4173bcu_units[] = {
165 	[VRIP_UNIT_KIU] = {
166 		"kiu",
167 		{ VRC4173ICU_KIUINTR,	},
168 		VRC4173CMU_CLKMSK_KIU,
169 		VRC4173ICU_KIUINT,	VRC4173ICU_MKIUINT,
170 	},
171 	[VRIP_UNIT_PIU] = {
172 		"piu",
173 		{ VRC4173ICU_PIUINTR, VRC4173ICU_DOZEPIUINTR},
174 		VRC4173CMU_CLKMSK_PIU,
175 		VRC4173ICU_PIUINT,	VRC4173ICU_MPIUINT,
176 	},
177 	[VRIP_UNIT_AIU] = {
178 		"aiu",
179 		{ VRC4173ICU_AIUINTR,	},
180 		VRC4173CMU_CLKMSK_AIU,
181 		VRC4173ICU_AIUINT,	VRC4173ICU_MAIUINT,
182 	},
183 	[VRIP_UNIT_GIU] = {
184 		"giu",
185 		{ VRC4173ICU_GIUINTR,	},
186 		0,
187 		VRC4173ICU_GIULINT,	VRC4173ICU_MGIULINT,
188 		VRC4173ICU_GIUHINT,	VRC4173ICU_MGIUHINT,
189 	},
190 	[VRIP_UNIT_PS2U0] = {
191 		"PS/2-Ch1",
192 		{ VRC4173ICU_PS2CH1INTR,	},
193 		VRC4173CMU_CLKMSK_PS2CH1,
194 	},
195 	[VRIP_UNIT_PS2U1] = {
196 		"PS/2-Ch2",
197 		{ VRC4173ICU_PS2CH2INTR,	},
198 		VRC4173CMU_CLKMSK_PS2CH2,
199 	},
200 	[VRIP_UNIT_USBU] = {
201 		"usbu",
202 		{ VRC4173ICU_USBINTR,	},
203 		VRC4173CMU_CLKMSK_USB,
204 	},
205 	[VRIP_UNIT_CARDU0] = {
206 		"cardu0",
207 		{ VRC4173ICU_PCMCIA1INTR,	},
208 		VRC4173CMU_CLKMSK_CARD1,
209 	},
210 	[VRIP_UNIT_CARDU1] = {
211 		"cardu1",
212 		{ VRC4173ICU_PCMCIA2INTR,	},
213 		VRC4173CMU_CLKMSK_CARD2,
214 	},
215 };
216 
217 CFATTACH_DECL(vrc4173bcu, sizeof(struct vrc4173bcu_softc),
218     vrc4173bcu_match, vrc4173bcu_attach, NULL, NULL);
219 
220 static const struct vrip_chipset_tag vrc4173bcu_chipset_methods = {
221 	.vc_power		= __vrc4173bcu_power,
222 	.vc_intr_establish	= __vrc4173bcu_intr_establish,
223 	.vc_intr_disestablish	= __vrc4173bcu_intr_disestablish,
224 	.vc_intr_setmask1	= __vrc4173bcu_intr_setmask1,
225 	.vc_intr_setmask2	= __vrc4173bcu_intr_setmask2,
226 	.vc_intr_getstatus2	= __vrc4173bcu_intr_getstatus2,
227 	.vc_register_cmu	= __vrc4173bcu_register_cmu,
228 	.vc_register_gpio	= __vrc4173bcu_register_gpio,
229 	.vc_register_dmaau	= __vrc4173bcu_register_dmaau,
230 	.vc_register_dcu	= __vrc4173bcu_register_dcu,
231 };
232 
233 int
234 vrc4173bcu_match(struct device *parent, struct cfdata *match, void *aux)
235 {
236 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
237 
238 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NEC &&
239 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NEC_VRC4173_BCU)
240 		return (1);
241 
242 	return (0);
243 }
244 
245 void
246 vrc4173bcu_attach(struct device *parent, struct device *self, void *aux)
247 {
248 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)self;
249 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
250 	pci_chipset_tag_t pc = pa->pa_pc;
251 	pcitag_t tag = pa->pa_tag;
252 	pcireg_t csr;
253 	char devinfo[256];
254 	u_int16_t reg;
255 	pci_intr_handle_t ih;
256 	const char *intrstr;
257 	int bus, device, function;
258 #ifdef DEBUG
259 	char buf[80];
260 #endif
261 
262 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
263 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
264 
265 #if 0
266 	printf("%s: ", sc->sc_dev.dv_xname);
267 	pci_conf_print(pa->pa_pc, pa->pa_tag, NULL);
268 #endif
269 
270 	sc->sc_pc = pc;
271 	sc->sc_cmuchip.cc_sc = sc;
272 	sc->sc_cmuchip.cc_clock = __vrc4173bcu_clock;
273 	sc->sc_units = vrc4173bcu_units;
274 	sc->sc_nunits = sizeof(vrc4173bcu_units)/sizeof(struct vrc4173bcu_unit);
275 	sc->sc_chipset = vrc4173bcu_chipset_methods; /* structure assignment */
276 	sc->sc_chipset.vc_sc = sc;
277 
278 	sc->sc_platdep = platid_search(&platid, platdep_table,
279 	    sizeof(platdep_table)/sizeof(*platdep_table),
280 	    sizeof(*platdep_table));
281 
282 	/* Map I/O registers */
283 	if (pci_mapreg_map(pa, VRC4173BCU_BADR, PCI_MAPREG_TYPE_IO, 0,
284 	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
285 		printf("%s: can't map mem space\n", sc->sc_dev.dv_xname);
286 		return;
287 	}
288 
289 	/* Enable the device. */
290 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
291 	DPRINTF(("%s: csr = 0x%08x", sc->sc_dev.dv_xname, csr));
292 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
293 	    csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE);
294 	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
295 	DPRINTF((" -> 0x%08x\n", csr));
296 
297 	csr = pci_conf_read(pc, tag, VRC4173BCU_BADR);
298 	DPRINTF(("%s: base addr = %x@0x%08x\n", sc->sc_dev.dv_xname,
299 	    (int)sc->sc_size, csr));
300 	DPRINTF(("%s: iot = 0x%08x, ioh = 0x%08x\n", sc->sc_dev.dv_xname,
301 	    (int)sc->sc_iot, (int)sc->sc_ioh));
302 
303 	/*
304 	 * Map I/O space for ICU.
305 	 */
306 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
307 	    VRC4173ICU_IOBASE, VRC4173ICU_IOSIZE, &sc->sc_icuh)) {
308 		printf(": can't map ICU i/o space\n");
309 		return;
310 	}
311 
312 	/*
313 	 * Map I/O space for CMU.
314 	 */
315 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
316 	    VRC4173CMU_IOBASE, VRC4173CMU_IOSIZE, &sc->sc_cmuh)) {
317 		printf(": can't map CMU i/o space\n");
318 		return;
319 	}
320 
321 	/* machine dependent setup */
322 	if (sc->sc_platdep->clkmask == USE_WINCE_CLKMASK) {
323 		/* XXX, You can nothing! */
324 		reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh,
325 		    VRC4173CMU_CLKMSK);
326 		printf("%s: default clock mask is %04x\n",
327 		    sc->sc_dev.dv_xname, reg);
328 	} else {
329 		/* assert all reset bits */
330 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST,
331 		    VRC4173CMU_SRST_AC97 | VRC4173CMU_SRST_USB |
332 		    VRC4173CMU_SRST_CARD2 | VRC4173CMU_SRST_CARD1);
333 		/* set clock mask */
334 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh,
335 		    VRC4173CMU_CLKMSK, sc->sc_platdep->clkmask);
336 		/* clear reset bit */
337 		bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_SRST, 0);
338 	}
339 
340 #ifdef DEBUG
341 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
342 	bitmask_snprintf(reg,
343 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
344 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
345 	    buf, sizeof(buf));
346 	printf("%s: SYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
347 
348 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MKIUINT);
349 	bitmask_snprintf(reg,
350 	    "\20\1SCANINT\2KDATRDY\3KDATLOST\4B3\5B4\6B5\7B6\10B7"
351 	    "\11B8\12B9\13B10\14B11\15B12\16B13\17B14\20B15",
352 	    buf, sizeof(buf));
353 	printf("%s: MKIUINT = 0x%s\n", sc->sc_dev.dv_xname, buf);
354 
355 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
356 	bitmask_snprintf(reg,
357 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
358 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
359 	    buf, sizeof(buf));
360 	printf("%s: MSYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
361 
362 #if 1
363 	reg = VRC4173ICU_USBINTR | VRC4173ICU_PIUINTR | VRC4173ICU_KIUINTR |
364 	    VRC4173ICU_DOZEPIUINTR;
365 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1, reg);
366 
367 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1);
368 	bitmask_snprintf(reg,
369 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
370 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
371 	    buf, sizeof(buf));
372 	printf("%s: MSYSINT1 = 0x%s\n", sc->sc_dev.dv_xname, buf);
373 #endif
374 #endif
375 
376 	/*
377 	 * set interrupt mask
378 	 */
379 	sc->sc_intrmask = sc->sc_platdep->intrmask;
380 	bus_space_write_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
381 	    sc->sc_intrmask);
382 
383 	/*
384 	 * install interrupt handler
385 	 */
386 	if (pci_intr_map(pa, &ih)) {
387 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
388 		return;
389 	}
390 	intrstr = pci_intr_string(pc, ih);
391 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, vrc4173bcu_intr, sc);
392 	if (sc->sc_ih == NULL) {
393 		printf("%s: couldn't establish interrupt",
394 		    sc->sc_dev.dv_xname);
395 		if (intrstr != NULL)
396 			printf(" at %s", intrstr);
397 		printf("\n");
398 		return;
399 	}
400 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
401 
402 	/*
403 	 * install pci intr hooks
404 	 */
405 	pci_decompose_tag(pc, pa->pa_intrtag, &bus, &device, &function);
406 	/* USB unit */
407 	if (sc->sc_intrmask & (1 << VRC4173ICU_USBINTR))
408 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_USBU, 0,
409 		    IPL_NET, vrc4173bcu_pci_intr,
410 		    config_connect(CONFIG_HOOK_PCIINTR,
411 			CONFIG_HOOK_PCIINTR_ID(bus, device, 2)));
412 	/* PC card unit 1 */
413 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA1INTR))
414 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU0, 0,
415 		    IPL_NET, vrc4173bcu_pci_intr,
416 		    config_connect(CONFIG_HOOK_PCIINTR,
417 			CONFIG_HOOK_PCIINTR_ID(bus, 1, 0)));
418 	/* PC card unit 2 */
419 	if (sc->sc_intrmask & (1 << VRC4173ICU_PCMCIA2INTR))
420 		vrip_intr_establish(&sc->sc_chipset, VRIP_UNIT_CARDU1, 0,
421 		    IPL_NET, vrc4173bcu_pci_intr,
422 		    config_connect(CONFIG_HOOK_PCIINTR,
423 			CONFIG_HOOK_PCIINTR_ID(bus, 2, 0)));
424 
425 	/*
426 	 *  Attach each devices
427 	 *  sc->sc_pri = 2~1
428 	 */
429 	for (sc->sc_pri = 2; 0 < sc->sc_pri; sc->sc_pri--)
430 		config_search_ia(vrc4173bcu_search, self, "vripif",
431 				 vrc4173bcu_print);
432 }
433 
434 int
435 vrc4173bcu_print(void *aux, const char *hoge)
436 {
437 	struct vrip_attach_args *va = (struct vrip_attach_args*)aux;
438 
439 	if (va->va_addr != VRIPIFCF_ADDR_DEFAULT)
440 		aprint_normal(" addr 0x%04lx", va->va_addr);
441 	if (va->va_size != VRIPIFCF_SIZE_DEFAULT)
442 		aprint_normal("-%04lx",
443 		    (va->va_addr + va->va_size - 1) & 0xffff);
444 	if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT)
445 		aprint_normal(", 0x%04lx", va->va_addr2);
446 	if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT)
447 		aprint_normal("-%04lx",
448 		    (va->va_addr2 + va->va_size2 - 1) & 0xffff);
449 
450 	return (UNCONF);
451 }
452 
453 int
454 vrc4173bcu_search(struct device *parent, struct cfdata *cf,
455 		  const int *ldesc, void *aux)
456 {
457 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)parent;
458 	struct vrip_attach_args va;
459 
460 	memset(&va, 0, sizeof(va));
461 	va.va_vc = &sc->sc_chipset;
462 	va.va_iot = sc->sc_iot;
463 	va.va_parent_ioh = sc->sc_ioh;
464 	va.va_unit = cf->cf_loc[VRIPIFCF_UNIT];
465 	va.va_addr = cf->cf_loc[VRIPIFCF_ADDR];
466 	va.va_size = cf->cf_loc[VRIPIFCF_SIZE];
467 	va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2];
468 	va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2];
469 	va.va_gpio_chips = NULL;	/* XXX */
470 	va.va_cc = sc->sc_chipset.vc_cc;
471 	va.va_ac = sc->sc_chipset.vc_ac;
472 	va.va_dc = sc->sc_chipset.vc_dc;
473 	if ((config_match(parent, cf, &va) == sc->sc_pri))
474 		config_attach(parent, cf, &va, vrc4173bcu_print);
475 
476 	return (0);
477 }
478 
479 int
480 vrc4173bcu_intr(void *arg)
481 {
482 	struct vrc4173bcu_softc *sc = (struct vrc4173bcu_softc *)arg;
483 	u_int16_t reg;
484 	struct vrc4173bcu_intrhand *ih;
485 	int i;
486 
487 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, VRC4173ICU_SYSINT1);
488 	reg &= sc->sc_intrmask;
489 	if (reg == 0)
490 		return (0);
491 
492 #if 0
493     {
494 	char buf[80];
495 	bitmask_snprintf(reg,
496 	    "\20\1USB\2PCMCIA2\3PCMCIA1\4PS2CH2\5PS2CH1\6PIU\7AIU\10KIU"
497 	    "\11GIU\12AC97\13AC97-1\14B11\15B12\16DOZEPIU\17B14\20B15",
498 	    buf, sizeof(buf));
499 	printf("%s: %s\n", sc->sc_dev.dv_xname, buf);
500     }
501 #endif
502 	for (ih = sc->sc_intrhands, i = 0; i < VRC4173BCU_NINTRS; i++, ih++)
503 		if ((reg & (1 << i)) && ih->ih_fun != NULL)
504 			ih->ih_fun(ih->ih_arg);
505 
506 	return (1);
507 }
508 
509 static int
510 vrc4173bcu_pci_intr(void *arg)
511 {
512 	config_call_tag ct = (config_call_tag)arg;
513 	config_connected_call(ct, NULL);
514 
515 	return (0);
516 }
517 
518 #ifdef VRC4173BCU_DEBUG
519 static void
520 vrc4173bcu_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
521 {
522 	struct vrc4173bcu_softc *sc = vc->vc_sc;
523 	struct vrc4173bcu_intrhand *ih = handle;
524 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
525 	u_int32_t reg;
526 
527 	if (vu->vu_mlreg) {
528 		DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0]));
529 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
530 		if (vu->vu_mhreg) {
531 			reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,
532 			    vu->vu_mhreg) << 16);
533 			dbg_bit_print(reg);
534 		} else
535 			dbg_bit_print(reg);
536 	}
537 }
538 #endif
539 
540 int
541 __vrc4173bcu_power(vrip_chipset_tag_t vc, int unit, int onoff)
542 {
543 	struct vrc4173bcu_softc *sc = vc->vc_sc;
544 	const struct vrc4173bcu_unit *vu;
545 
546 	if (sc->sc_chipset.vc_cc == NULL)
547 		return (0);	/* You have no clock mask unit yet. */
548 	if (!VALID_UNIT(sc, unit))
549 		return (0);
550 	vu = &sc->sc_units[unit];
551 
552 	return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc,
553 	    vu->vu_clkmask, onoff);
554 }
555 
556 vrip_intr_handle_t
557 __vrc4173bcu_intr_establish(vrip_chipset_tag_t vc, int unit, int line,
558     int level, int (*ih_fun)(void *), void *ih_arg)
559 {
560 	struct vrc4173bcu_softc *sc = vc->vc_sc;
561 	const struct vrc4173bcu_unit *vu;
562 	struct vrc4173bcu_intrhand *ih;
563 
564 	if (!VALID_UNIT(sc, unit))
565 		return (NULL);
566 	vu = &sc->sc_units[unit];
567 	ih = &sc->sc_intrhands[vu->vu_intr[line]];
568 	if (ih->ih_fun) /* Can't share level 1 interrupt */
569 		return (NULL);
570 	ih->ih_fun = ih_fun;
571 	ih->ih_arg = ih_arg;
572 	ih->ih_unit = vu;
573 
574 	/* Mask level 2 interrupt mask register. (disable interrupt) */
575 	vrip_intr_setmask2(vc, ih, ~0, 0);
576 	/* Unmask  Level 1 interrupt mask register (enable interrupt) */
577 	vrip_intr_setmask1(vc, ih, 1);
578 
579 	return ((void *)ih);
580 }
581 
582 void
583 __vrc4173bcu_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle)
584 {
585 	struct vrc4173bcu_intrhand *ih = handle;
586 
587 	/* Mask  Level 1 interrupt mask register (disable interrupt) */
588 	vrip_intr_setmask1(vc, ih, 0);
589 	/* Mask level 2 interrupt mask register(if any). (disable interrupt) */
590 	vrip_intr_setmask2(vc, ih, ~0, 0);
591 	ih->ih_fun = NULL;
592 	ih->ih_arg = NULL;
593 }
594 
595 /* Set level 1 interrupt mask. */
596 void
597 __vrc4173bcu_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
598     int enable)
599 {
600 	struct vrc4173bcu_softc *sc = vc->vc_sc;
601 	struct vrc4173bcu_intrhand *ih = handle;
602 	int level1 = ih - sc->sc_intrhands;
603 
604 	DPRINTF(("__vrc4173bcu_intr_setmask1: SYSINT: %s %d\n",
605 		 enable ? "enable" : "disable", level1));
606 	if (enable)
607 		sc->sc_intrmask |= (1 << level1);
608 	else
609 		sc->sc_intrmask &= ~(1 << level1);
610 	bus_space_write_2 (sc->sc_iot, sc->sc_icuh, VRC4173ICU_MSYSINT1,
611 	    sc->sc_intrmask);
612 #ifdef VRC4173BCU_DEBUG
613 	if (vrc4173bcu_debug)
614 		dbg_bit_print(sc->sc_intrmask);
615 #endif
616 
617 	return;
618 }
619 
620 /* Get level 2 interrupt status */
621 void
622 __vrc4173bcu_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
623     u_int32_t *status /* Level 2 status */)
624 {
625 	struct vrc4173bcu_softc *sc = vc->vc_sc;
626 	struct vrc4173bcu_intrhand *ih = handle;
627 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
628 	u_int32_t reg;
629 
630 	reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_lreg);
631 	reg |= (bus_space_read_2(sc->sc_iot, sc->sc_icuh,  vu->vu_hreg) << 16);
632 	*status = reg;
633 }
634 
635 /* Set level 2 interrupt mask. */
636 void
637 __vrc4173bcu_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle,
638     u_int32_t mask /* Level 2 mask */, int onoff)
639 {
640 	struct vrc4173bcu_softc *sc = vc->vc_sc;
641 	struct vrc4173bcu_intrhand *ih = handle;
642 	const struct vrc4173bcu_unit *vu = ih->ih_unit;
643 	u_int16_t reg;
644 
645 	DPRINTF(("vrc4173bcu_intr_setmask2:\n"));
646 #ifdef VRC4173BCU_DEBUG
647 	if (vrc4173bcu_debug)
648 		vrc4173bcu_dump_level2mask(vc, handle);
649 #endif
650 	if (vu->vu_mlreg) {
651 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mlreg);
652 		if (onoff)
653 			reg |= (mask & 0xffff);
654 		else
655 			reg &= ~(mask & 0xffff);
656 		bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg);
657 	}
658 	if (vu->vu_mhreg) {
659 		reg = bus_space_read_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg);
660 		if (onoff)
661 			reg |= ((mask >> 16) & 0xffff);
662 		else
663 			reg &= ~((mask >> 16) & 0xffff);
664 		bus_space_write_2(sc->sc_iot, sc->sc_icuh, vu->vu_mhreg, reg);
665 	}
666 #ifdef VRC4173BCU_DEBUG
667 	if (vrc4173bcu_debug)
668 		vrc4173bcu_dump_level2mask(vc, handle);
669 #endif
670 
671 	return;
672 }
673 
674 int
675 __vrc4173bcu_clock(vrcmu_chipset_tag_t cc, u_int16_t mask, int onoff)
676 {
677 	struct vrc4173bcu_softc *sc = cc->cc_sc;
678 	u_int16_t reg;
679 
680 	reg = bus_space_read_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK);
681 #if 0
682 	printf("cmu register(enter):");
683 	dbg_bit_print(reg);
684 #endif
685 	if (onoff)
686 		reg |= mask;
687 	else
688 		reg &= ~mask;
689 	bus_space_write_2(sc->sc_iot, sc->sc_cmuh, VRC4173CMU_CLKMSK, reg);
690 #if 0
691 	printf("cmu register(exit) :");
692 	dbg_bit_print(reg);
693 #endif
694 	return (0);
695 }
696 
697 void
698 __vrc4173bcu_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu)
699 {
700 	vc->vc_cc = cmu;
701 }
702 
703 void
704 __vrc4173bcu_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip)
705 {
706 	/* XXX, not implemented yet */
707 }
708 
709 void
710 __vrc4173bcu_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau)
711 {
712 
713 	vc->vc_ac = dmaau;
714 }
715 
716 void
717 __vrc4173bcu_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu)
718 {
719 
720 	vc->vc_dc = dcu;
721 }
722