adv_cardbus.c revision 1.5 
1/*	$NetBSD: adv_cardbus.c,v 1.5 2001/11/13 12:51:12 lukem Exp $	*/
2
3/*-
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the NetBSD
22 *	Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40/*
41 * this file was brought from ahc_cardbus.c and adv_pci.c
42 * and modified by YAMAMOTO Takashi.
43 */
44
45#include <sys/cdefs.h>
46__KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.5 2001/11/13 12:51:12 lukem Exp $");
47
48#include <sys/param.h>
49#include <sys/systm.h>
50#include <sys/malloc.h>
51#include <sys/kernel.h>
52#include <sys/queue.h>
53#include <sys/device.h>
54
55#include <machine/bus.h>
56#include <machine/intr.h>
57
58#include <dev/scsipi/scsi_all.h>
59#include <dev/scsipi/scsipi_all.h>
60#include <dev/scsipi/scsiconf.h>
61
62#include <dev/pci/pcireg.h>
63#include <dev/pci/pcidevs.h>
64
65#include <dev/cardbus/cardbusvar.h>
66#include <dev/cardbus/cardbusdevs.h>
67
68#include <dev/ic/advlib.h>
69#include <dev/ic/adv.h>
70
71#define ADV_CARDBUS_IOBA CARDBUS_BASE0_REG
72#define ADV_CARDBUS_MMBA CARDBUS_BASE1_REG
73
74#define ADV_CARDBUS_DEBUG
75#define ADV_CARDBUS_ALLOW_MEMIO
76
77#define DEVNAME(sc) sc->sc_dev.dv_xname
78
79struct adv_cardbus_softc {
80	struct asc_softc sc_adv;	/* real ADV */
81
82	/* CardBus-specific goo. */
83	cardbus_devfunc_t sc_ct;	/* our CardBus devfuncs */
84	int	sc_intrline;		/* our interrupt line */
85	cardbustag_t sc_tag;
86
87	int	sc_cbenable;		/* what CardBus access type to enable */
88	int	sc_csr;			/* CSR bits */
89	bus_size_t sc_size;
90};
91
92int	adv_cardbus_match __P((struct device *, struct cfdata *, void *));
93void	adv_cardbus_attach __P((struct device *, struct device *, void *));
94int	adv_cardbus_detach __P((struct device *, int));
95
96struct cfattach adv_cardbus_ca = {
97	sizeof(struct adv_cardbus_softc), adv_cardbus_match, adv_cardbus_attach,
98	adv_cardbus_detach
99};
100
101int
102adv_cardbus_match(parent, match, aux)
103	struct device *parent;
104	struct cfdata *match;
105	void *aux;
106{
107	struct cardbus_attach_args *ca = aux;
108
109	if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADVSYS &&
110	    CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADVSYS_ULTRA)
111		return (1);
112
113	return (0);
114}
115
116void
117adv_cardbus_attach(parent, self, aux)
118	struct device *parent, *self;
119	void *aux;
120{
121	struct cardbus_attach_args *ca = aux;
122	struct adv_cardbus_softc *csc = (void *) self;
123	struct asc_softc *sc = &csc->sc_adv;
124	cardbus_devfunc_t ct = ca->ca_ct;
125	cardbus_chipset_tag_t cc = ct->ct_cc;
126	cardbus_function_tag_t cf = ct->ct_cf;
127	bus_space_tag_t iot;
128	bus_space_handle_t ioh;
129	pcireg_t reg;
130	u_int8_t latency = 0x20;
131
132	sc->sc_flags = 0;
133
134	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
135		switch (PCI_PRODUCT(ca->ca_id)) {
136		case PCI_PRODUCT_ADVSYS_1200A:
137			printf(": AdvanSys ASC1200A SCSI adapter\n");
138			latency = 0;
139			break;
140
141		case PCI_PRODUCT_ADVSYS_1200B:
142			printf(": AdvanSys ASC1200B SCSI adapter\n");
143			latency = 0;
144			break;
145
146		case PCI_PRODUCT_ADVSYS_ULTRA:
147			switch (PCI_REVISION(ca->ca_class)) {
148			case ASC_PCI_REVISION_3050:
149				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
150				break;
151
152			case ASC_PCI_REVISION_3150:
153				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
154				break;
155			}
156			break;
157
158		default:
159			printf(": unknown model!\n");
160			return;
161		}
162	}
163
164	csc->sc_ct = ct;
165	csc->sc_tag = ca->ca_tag;
166	csc->sc_intrline = ca->ca_intrline;
167	csc->sc_cbenable = 0;
168
169	/*
170	 * Map the device.
171	 */
172	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
173
174#ifdef ADV_CARDBUS_ALLOW_MEMIO
175	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
176	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
177	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
178#ifdef ADV_CARDBUS_DEBUG
179		printf("%s: memio enabled\n", DEVNAME(sc));
180#endif
181		csc->sc_cbenable = CARDBUS_MEM_ENABLE;
182		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
183	} else
184#endif
185	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
186	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
187#ifdef ADV_CARDBUS_DEBUG
188		printf("%s: io enabled\n", DEVNAME(sc));
189#endif
190		csc->sc_cbenable = CARDBUS_IO_ENABLE;
191		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
192	} else {
193		printf("%s: unable to map device registers\n",
194		    DEVNAME(sc));
195		return;
196	}
197
198	/* Make sure the right access type is on the CardBus bridge. */
199	(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
200	(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
201
202	/* Enable the appropriate bits in the PCI CSR. */
203	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
204	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
205	reg |= csc->sc_csr;
206	cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
207
208	/*
209	 * Make sure the latency timer is set to some reasonable
210	 * value.
211	 */
212	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
213	if (PCI_LATTIMER(reg) < latency) {
214		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
215		reg |= (latency << PCI_LATTIMER_SHIFT);
216		cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
217	}
218
219	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
220	ASC_SET_CHIP_STATUS(iot, ioh, 0);
221
222	sc->sc_iot = iot;
223	sc->sc_ioh = ioh;
224	sc->sc_dmat = ca->ca_dmat;
225	sc->pci_device_id = ca->ca_id;
226	sc->bus_type = ASC_IS_PCI;
227	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
228
229	/*
230	 * Initialize the board
231	 */
232	if (adv_init(sc)) {
233		printf("adv_init failed\n");
234		return;
235	}
236
237	/*
238	 * Establish the interrupt.
239	 */
240	sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
241	    adv_intr, sc);
242	if (sc->sc_ih == NULL) {
243		printf("%s: unable to establish interrupt at %d\n",
244		    DEVNAME(sc), ca->ca_intrline);
245		return;
246	}
247	printf("%s: interrupting at %d\n", DEVNAME(sc), ca->ca_intrline);
248
249	/*
250	 * Attach.
251	 */
252	adv_attach(sc);
253}
254
255int
256adv_cardbus_detach(self, flags)
257	struct device *self;
258	int flags;
259{
260	struct adv_cardbus_softc *csc = (void*)self;
261	struct asc_softc *sc = &csc->sc_adv;
262
263	int rv;
264
265	rv = adv_detach(sc, flags);
266	if (rv)
267		return rv;
268
269	if (sc->sc_ih) {
270		cardbus_intr_disestablish(csc->sc_ct->ct_cc,
271		    csc->sc_ct->ct_cf, sc->sc_ih);
272		sc->sc_ih = 0;
273	}
274
275	if (csc->sc_cbenable) {
276#ifdef ADV_CARDBUS_ALLOW_MEMIO
277		if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) {
278			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_MMBA,
279			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
280		} else {
281#endif
282			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_IOBA,
283			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
284#ifdef ADV_CARDBUS_ALLOW_MEMIO
285		}
286#endif
287		csc->sc_cbenable = 0;
288	}
289
290	return 0;
291}
292