adv_cardbus.c revision 1.10 
1/*	$NetBSD: adv_cardbus.c,v 1.10 2005/02/04 02:10:36 perry 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 1.10 2005/02/04 02:10:36 perry 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/pci/pcidevs.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(struct device *, struct cfdata *, void *);
93void	adv_cardbus_attach(struct device *, struct device *, void *);
94int	adv_cardbus_detach(struct device *, int);
95
96CFATTACH_DECL(adv_cardbus, sizeof(struct adv_cardbus_softc),
97    adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL);
98
99int
100adv_cardbus_match(parent, match, aux)
101	struct device *parent;
102	struct cfdata *match;
103	void *aux;
104{
105	struct cardbus_attach_args *ca = aux;
106
107	if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS &&
108	    CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA)
109		return (1);
110
111	return (0);
112}
113
114void
115adv_cardbus_attach(parent, self, aux)
116	struct device *parent, *self;
117	void *aux;
118{
119	struct cardbus_attach_args *ca = aux;
120	struct adv_cardbus_softc *csc = (void *) self;
121	struct asc_softc *sc = &csc->sc_adv;
122	cardbus_devfunc_t ct = ca->ca_ct;
123	cardbus_chipset_tag_t cc = ct->ct_cc;
124	cardbus_function_tag_t cf = ct->ct_cf;
125	bus_space_tag_t iot;
126	bus_space_handle_t ioh;
127	pcireg_t reg;
128	u_int8_t latency = 0x20;
129
130	sc->sc_flags = 0;
131
132	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
133		switch (PCI_PRODUCT(ca->ca_id)) {
134		case PCI_PRODUCT_ADVSYS_1200A:
135			printf(": AdvanSys ASC1200A SCSI adapter\n");
136			latency = 0;
137			break;
138
139		case PCI_PRODUCT_ADVSYS_1200B:
140			printf(": AdvanSys ASC1200B SCSI adapter\n");
141			latency = 0;
142			break;
143
144		case PCI_PRODUCT_ADVSYS_ULTRA:
145			switch (PCI_REVISION(ca->ca_class)) {
146			case ASC_PCI_REVISION_3050:
147				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
148				break;
149
150			case ASC_PCI_REVISION_3150:
151				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
152				break;
153			}
154			break;
155
156		default:
157			printf(": unknown model!\n");
158			return;
159		}
160	}
161
162	csc->sc_ct = ct;
163	csc->sc_tag = ca->ca_tag;
164	csc->sc_intrline = ca->ca_intrline;
165	csc->sc_cbenable = 0;
166
167	/*
168	 * Map the device.
169	 */
170	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
171
172#ifdef ADV_CARDBUS_ALLOW_MEMIO
173	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
174	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
175	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
176#ifdef ADV_CARDBUS_DEBUG
177		printf("%s: memio enabled\n", DEVNAME(sc));
178#endif
179		csc->sc_cbenable = CARDBUS_MEM_ENABLE;
180		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
181	} else
182#endif
183	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
184	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
185#ifdef ADV_CARDBUS_DEBUG
186		printf("%s: io enabled\n", DEVNAME(sc));
187#endif
188		csc->sc_cbenable = CARDBUS_IO_ENABLE;
189		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
190	} else {
191		printf("%s: unable to map device registers\n",
192		    DEVNAME(sc));
193		return;
194	}
195
196	/* Make sure the right access type is on the CardBus bridge. */
197	(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
198	(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
199
200	/* Enable the appropriate bits in the PCI CSR. */
201	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
202	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
203	reg |= csc->sc_csr;
204	cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
205
206	/*
207	 * Make sure the latency timer is set to some reasonable
208	 * value.
209	 */
210	reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
211	if (PCI_LATTIMER(reg) < latency) {
212		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
213		reg |= (latency << PCI_LATTIMER_SHIFT);
214		cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
215	}
216
217	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
218	ASC_SET_CHIP_STATUS(iot, ioh, 0);
219
220	sc->sc_iot = iot;
221	sc->sc_ioh = ioh;
222	sc->sc_dmat = ca->ca_dmat;
223	sc->pci_device_id = ca->ca_id;
224	sc->bus_type = ASC_IS_PCI;
225	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
226
227	/*
228	 * Initialize the board
229	 */
230	if (adv_init(sc)) {
231		printf("adv_init failed\n");
232		return;
233	}
234
235	/*
236	 * Establish the interrupt.
237	 */
238	sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
239	    adv_intr, sc);
240	if (sc->sc_ih == NULL) {
241		printf("%s: unable to establish interrupt at %d\n",
242		    DEVNAME(sc), ca->ca_intrline);
243		return;
244	}
245	printf("%s: interrupting at %d\n", DEVNAME(sc), ca->ca_intrline);
246
247	/*
248	 * Attach.
249	 */
250	adv_attach(sc);
251}
252
253int
254adv_cardbus_detach(self, flags)
255	struct device *self;
256	int flags;
257{
258	struct adv_cardbus_softc *csc = (void*)self;
259	struct asc_softc *sc = &csc->sc_adv;
260
261	int rv;
262
263	rv = adv_detach(sc, flags);
264	if (rv)
265		return rv;
266
267	if (sc->sc_ih) {
268		cardbus_intr_disestablish(csc->sc_ct->ct_cc,
269		    csc->sc_ct->ct_cf, sc->sc_ih);
270		sc->sc_ih = 0;
271	}
272
273	if (csc->sc_cbenable) {
274#ifdef ADV_CARDBUS_ALLOW_MEMIO
275		if (csc->sc_cbenable == CARDBUS_MEM_ENABLE) {
276			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_MMBA,
277			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
278		} else {
279#endif
280			Cardbus_mapreg_unmap(csc->sc_ct, ADV_CARDBUS_IOBA,
281			    sc->sc_iot, sc->sc_ioh, csc->sc_size);
282#ifdef ADV_CARDBUS_ALLOW_MEMIO
283		}
284#endif
285		csc->sc_cbenable = 0;
286	}
287
288	return 0;
289}
290