adv_cardbus.c revision 1.29 
1/*	$NetBSD: adv_cardbus.c,v 1.29 2012/10/27 17:18:15 chs 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 1.29 2012/10/27 17:18:15 chs 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_NEW(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, void *aux)
93{
94	struct cardbus_attach_args *ca = aux;
95
96	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS &&
97	    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA)
98		return (1);
99
100	return (0);
101}
102
103void
104adv_cardbus_attach(device_t parent, device_t self, void *aux)
105{
106	struct cardbus_attach_args *ca = aux;
107	struct adv_cardbus_softc *csc = device_private(self);
108	struct asc_softc *sc = &csc->sc_adv;
109	cardbus_devfunc_t ct = ca->ca_ct;
110	bus_space_tag_t iot;
111	bus_space_handle_t ioh;
112	pcireg_t reg;
113	u_int8_t latency = 0x20;
114
115	sc->sc_dev = self;
116	sc->sc_flags = 0;
117
118	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
119		switch (PCI_PRODUCT(ca->ca_id)) {
120		case PCI_PRODUCT_ADVSYS_1200A:
121			printf(": AdvanSys ASC1200A SCSI adapter\n");
122			latency = 0;
123			break;
124
125		case PCI_PRODUCT_ADVSYS_1200B:
126			printf(": AdvanSys ASC1200B SCSI adapter\n");
127			latency = 0;
128			break;
129
130		case PCI_PRODUCT_ADVSYS_ULTRA:
131			switch (PCI_REVISION(ca->ca_class)) {
132			case ASC_PCI_REVISION_3050:
133				printf(": AdvanSys ABP-9xxUA SCSI adapter\n");
134				break;
135
136			case ASC_PCI_REVISION_3150:
137				printf(": AdvanSys ABP-9xxU SCSI adapter\n");
138				break;
139			}
140			break;
141
142		default:
143			printf(": unknown model!\n");
144			return;
145		}
146	}
147
148	csc->sc_ct = ct;
149	csc->sc_tag = ca->ca_tag;
150
151	/*
152	 * Map the device.
153	 */
154	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
155
156#ifdef ADV_CARDBUS_ALLOW_MEMIO
157	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
158	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
159	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
160#ifdef ADV_CARDBUS_DEBUG
161		printf("%s: memio enabled\n", DEVNAME(sc));
162#endif
163		csc->sc_bar = ADV_CARDBUS_MMBA;
164		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
165	} else
166#endif
167	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
168	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
169#ifdef ADV_CARDBUS_DEBUG
170		printf("%s: io enabled\n", DEVNAME(sc));
171#endif
172		csc->sc_bar = ADV_CARDBUS_IOBA;
173		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
174	} else {
175		csc->sc_bar = 0;
176		aprint_error_dev(sc->sc_dev, "unable to map device registers\n");
177		return;
178	}
179
180	/* Enable the appropriate bits in the PCI CSR. */
181	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
182	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
183	reg |= csc->sc_csr;
184	Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
185
186	/*
187	 * Make sure the latency timer is set to some reasonable
188	 * value.
189	 */
190	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG);
191	if (PCI_LATTIMER(reg) < latency) {
192		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
193		reg |= (latency << PCI_LATTIMER_SHIFT);
194		Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg);
195	}
196
197	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
198	ASC_SET_CHIP_STATUS(iot, ioh, 0);
199
200	sc->sc_iot = iot;
201	sc->sc_ioh = ioh;
202	sc->sc_dmat = ca->ca_dmat;
203	sc->pci_device_id = ca->ca_id;
204	sc->bus_type = ASC_IS_PCI;
205	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
206
207	/*
208	 * Initialize the board
209	 */
210	if (adv_init(sc)) {
211		printf("adv_init failed\n");
212		return;
213	}
214
215	/*
216	 * Establish the interrupt.
217	 */
218	sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, adv_intr, sc);
219	if (sc->sc_ih == NULL) {
220		aprint_error_dev(sc->sc_dev,
221				 "unable to establish interrupt\n");
222		return;
223	}
224
225	/*
226	 * Attach.
227	 */
228	adv_attach(sc);
229}
230
231int
232adv_cardbus_detach(device_t self, int flags)
233{
234	struct adv_cardbus_softc *csc = device_private(self);
235	struct asc_softc *sc = &csc->sc_adv;
236
237	int rv;
238
239	rv = adv_detach(sc, flags);
240	if (rv)
241		return rv;
242
243	if (sc->sc_ih) {
244		Cardbus_intr_disestablish(csc->sc_ct, sc->sc_ih);
245		sc->sc_ih = 0;
246	}
247
248	if (csc->sc_bar != 0) {
249		Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar,
250		    sc->sc_iot, sc->sc_ioh, csc->sc_size);
251		csc->sc_bar = 0;
252	}
253
254	return 0;
255}
256