adv_cardbus.c revision 1.28 
1/*	$NetBSD: adv_cardbus.c,v 1.28 2011/08/01 11:20:27 drochner 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * this file was brought from ahc_cardbus.c and adv_pci.c
35 * and modified by YAMAMOTO Takashi.
36 */
37
38#include <sys/cdefs.h>
39__KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.28 2011/08/01 11:20:27 drochner Exp $");
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/malloc.h>
44#include <sys/kernel.h>
45#include <sys/queue.h>
46#include <sys/device.h>
47
48#include <sys/bus.h>
49#include <sys/intr.h>
50
51#include <dev/scsipi/scsi_all.h>
52#include <dev/scsipi/scsipi_all.h>
53#include <dev/scsipi/scsiconf.h>
54
55#include <dev/pci/pcireg.h>
56#include <dev/pci/pcidevs.h>
57
58#include <dev/cardbus/cardbusvar.h>
59#include <dev/pci/pcidevs.h>
60
61#include <dev/ic/advlib.h>
62#include <dev/ic/adv.h>
63
64#define ADV_CARDBUS_IOBA PCI_BAR0
65#define ADV_CARDBUS_MMBA PCI_BAR1
66
67#define ADV_CARDBUS_DEBUG
68#define ADV_CARDBUS_ALLOW_MEMIO
69
70#define DEVNAME(sc) device_xname(&(sc)->sc_dev)
71
72struct adv_cardbus_softc {
73	struct asc_softc sc_adv;	/* real ADV */
74
75	/* CardBus-specific goo. */
76	cardbus_devfunc_t sc_ct;	/* our CardBus devfuncs */
77	pcitag_t sc_tag;
78
79	int	sc_bar;
80	pcireg_t	sc_csr;
81	bus_size_t sc_size;
82};
83
84int	adv_cardbus_match(device_t, cfdata_t, void *);
85void	adv_cardbus_attach(device_t, device_t, void *);
86int	adv_cardbus_detach(device_t, int);
87
88CFATTACH_DECL(adv_cardbus, sizeof(struct adv_cardbus_softc),
89    adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL);
90
91int
92adv_cardbus_match(device_t parent, cfdata_t match,
93    void *aux)
94{
95	struct cardbus_attach_args *ca = aux;
96
97	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS &&
98	    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA)
99		return (1);
100
101	return (0);
102}
103
104void
105adv_cardbus_attach(device_t parent, device_t self,
106    void *aux)
107{
108	struct cardbus_attach_args *ca = aux;
109	struct adv_cardbus_softc *csc = device_private(self);
110	struct asc_softc *sc = &csc->sc_adv;
111	cardbus_devfunc_t ct = ca->ca_ct;
112	bus_space_tag_t iot;
113	bus_space_handle_t ioh;
114	pcireg_t reg;
115	u_int8_t latency = 0x20;
116
117	sc->sc_flags = 0;
118
119	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
120		switch (PCI_PRODUCT(ca->ca_id)) {
121		case PCI_PRODUCT_ADVSYS_1200A:
122			printf(": AdvanSys ASC1200A SCSI adapter\n");
123			latency = 0;
124			break;
125
126		case PCI_PRODUCT_ADVSYS_1200B:
127			printf(": AdvanSys ASC1200B SCSI adapter\n");
128			latency = 0;
129			break;
130
131		case PCI_PRODUCT_ADVSYS_ULTRA:
132			switch (PCI_REVISION(ca->ca_class)) {
133			case ASC_PCI_REVISION_3050:
134				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
135				break;
136
137			case ASC_PCI_REVISION_3150:
138				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
139				break;
140			}
141			break;
142
143		default:
144			printf(": unknown model!\n");
145			return;
146		}
147	}
148
149	csc->sc_ct = ct;
150	csc->sc_tag = ca->ca_tag;
151
152	/*
153	 * Map the device.
154	 */
155	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
156
157#ifdef ADV_CARDBUS_ALLOW_MEMIO
158	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
159	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
160	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
161#ifdef ADV_CARDBUS_DEBUG
162		printf("%s: memio enabled\n", DEVNAME(sc));
163#endif
164		csc->sc_bar = ADV_CARDBUS_MMBA;
165		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
166	} else
167#endif
168	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
169	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
170#ifdef ADV_CARDBUS_DEBUG
171		printf("%s: io enabled\n", DEVNAME(sc));
172#endif
173		csc->sc_bar = ADV_CARDBUS_IOBA;
174		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
175	} else {
176		csc->sc_bar = 0;
177		aprint_error_dev(&sc->sc_dev, "unable to map device registers\n");
178		return;
179	}
180
181	/* Enable the appropriate bits in the PCI CSR. */
182	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
183	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
184	reg |= csc->sc_csr;
185	Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
186
187	/*
188	 * Make sure the latency timer is set to some reasonable
189	 * value.
190	 */
191	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG);
192	if (PCI_LATTIMER(reg) < latency) {
193		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
194		reg |= (latency << PCI_LATTIMER_SHIFT);
195		Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg);
196	}
197
198	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
199	ASC_SET_CHIP_STATUS(iot, ioh, 0);
200
201	sc->sc_iot = iot;
202	sc->sc_ioh = ioh;
203	sc->sc_dmat = ca->ca_dmat;
204	sc->pci_device_id = ca->ca_id;
205	sc->bus_type = ASC_IS_PCI;
206	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
207
208	/*
209	 * Initialize the board
210	 */
211	if (adv_init(sc)) {
212		printf("adv_init failed\n");
213		return;
214	}
215
216	/*
217	 * Establish the interrupt.
218	 */
219	sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, adv_intr, sc);
220	if (sc->sc_ih == NULL) {
221		aprint_error_dev(&sc->sc_dev,
222				 "unable to establish interrupt\n");
223		return;
224	}
225
226	/*
227	 * Attach.
228	 */
229	adv_attach(sc);
230}
231
232int
233adv_cardbus_detach(device_t self, int flags)
234{
235	struct adv_cardbus_softc *csc = device_private(self);
236	struct asc_softc *sc = &csc->sc_adv;
237
238	int rv;
239
240	rv = adv_detach(sc, flags);
241	if (rv)
242		return rv;
243
244	if (sc->sc_ih) {
245		Cardbus_intr_disestablish(csc->sc_ct, sc->sc_ih);
246		sc->sc_ih = 0;
247	}
248
249	if (csc->sc_bar != 0) {
250		Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar,
251		    sc->sc_iot, sc->sc_ioh, csc->sc_size);
252		csc->sc_bar = 0;
253	}
254
255	return 0;
256}
257