1 /* $NetBSD: ahc_eisa.c,v 1.29 2004/08/23 06:03:19 thorpej Exp $ */
2
3 /*
4 * Product specific probe and attach routines for:
5 * 274X and aic7770 motherboard SCSI controllers
6 *
7 * Copyright (c) 1994, 1995, 1996, 1997, 1998 Justin T. Gibbs.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice immediately at the beginning of the file, without modification,
15 * this list of conditions, and the following disclaimer.
16 * 2. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15 2000/01/29 14:22:19 peter Exp $
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: ahc_eisa.c,v 1.29 2004/08/23 06:03:19 thorpej Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/device.h>
41 #include <sys/reboot.h>
42
43 #include <machine/bus.h>
44 #include <machine/intr.h>
45
46 #include <dev/scsipi/scsi_all.h>
47 #include <dev/scsipi/scsipi_all.h>
48 #include <dev/scsipi/scsiconf.h>
49
50 #include <dev/eisa/eisareg.h>
51 #include <dev/eisa/eisavar.h>
52 #include <dev/eisa/eisadevs.h>
53
54 #include <dev/ic/aic7xxx_osm.h>
55 #include <dev/ic/aic7xxx_inline.h>
56 #include <dev/ic/aic77xxreg.h>
57 #include <dev/ic/aic77xxvar.h>
58
59 static int ahc_eisa_match(struct device *, struct cfdata *, void *);
60 static void ahc_eisa_attach(struct device *, struct device *, void *);
61
62
63 CFATTACH_DECL(ahc_eisa, sizeof(struct ahc_softc),
64 ahc_eisa_match, ahc_eisa_attach, NULL, NULL);
65
66 /*
67 * Check the slots looking for a board we recognise
68 * If we find one, note it's address (slot) and call
69 * the actual probe routine to check it out.
70 */
71 static int
72 ahc_eisa_match(struct device *parent, struct cfdata *match, void *aux)
73 {
74 struct eisa_attach_args *ea = aux;
75 bus_space_tag_t iot = ea->ea_iot;
76 bus_space_handle_t ioh;
77 int irq;
78
79 /* must match one of our known ID strings */
80 if (strcmp(ea->ea_idstring, "ADP7770") &&
81 strcmp(ea->ea_idstring, "ADP7771"))
82 return (0);
83
84 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
85 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh))
86 return (0);
87
88 irq = ahc_aic77xx_irq(iot, ioh);
89
90 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
91
92 return (irq >= 0);
93 }
94
95 static void
96 ahc_eisa_attach(struct device *parent, struct device *self, void *aux)
97 {
98 struct ahc_softc *ahc = (void *)self;
99 struct eisa_attach_args *ea = aux;
100 eisa_chipset_tag_t ec = ea->ea_ec;
101 eisa_intr_handle_t ih;
102 bus_space_tag_t iot = ea->ea_iot;
103 bus_space_handle_t ioh;
104 int irq, intrtype;
105 const char *intrstr, *intrtypestr;
106 u_int biosctrl;
107 u_int scsiconf;
108 u_int scsiconf1;
109 u_char intdef;
110 #ifdef AHC_DEBUG
111 int i;
112 #endif
113
114 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
115 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) {
116 printf("%s: could not map I/O addresses", ahc->sc_dev.dv_xname);
117 return;
118 }
119 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) {
120 printf("%s: ahc_aic77xx_irq failed!", ahc->sc_dev.dv_xname);
121 goto free_io;
122 }
123
124 if (strcmp(ea->ea_idstring, "ADP7770") == 0) {
125 printf(": %s\n", EISA_PRODUCT_ADP7770);
126 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) {
127 printf(": %s\n", EISA_PRODUCT_ADP7771);
128 } else {
129 printf(": Unknown device type %s", ea->ea_idstring);
130 goto free_io;
131 }
132
133 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
134 ahc->parent_dmat = ea->ea_dmat;
135 ahc->chip = AHC_AIC7770|AHC_EISA;
136 ahc->features = AHC_AIC7770_FE;
137 ahc->flags = AHC_PAGESCBS;
138 ahc->bugs = AHC_TMODE_WIDEODD_BUG;
139 ahc->tag = iot;
140 ahc->bsh = ioh;
141 ahc->channel = 'A';
142
143 if (ahc_softc_init(ahc) != 0)
144 goto free_io;
145
146 ahc_intr_enable(ahc, FALSE);
147
148 if (ahc_reset(ahc) != 0)
149 goto free_io;
150
151 if (eisa_intr_map(ec, irq, &ih)) {
152 printf("%s: couldn't map interrupt (%d)\n",
153 ahc->sc_dev.dv_xname, irq);
154 goto free_io;
155 }
156
157 intdef = bus_space_read_1(iot, ioh, INTDEF);
158
159 if (intdef & EDGE_TRIG) {
160 intrtype = IST_EDGE;
161 intrtypestr = "edge triggered";
162 } else {
163 intrtype = IST_LEVEL;
164 intrtypestr = "level sensitive";
165 }
166 intrstr = eisa_intr_string(ec, ih);
167 ahc->ih = eisa_intr_establish(ec, ih,
168 intrtype, IPL_BIO, ahc_intr, ahc);
169 if (ahc->ih == NULL) {
170 printf("%s: couldn't establish %s interrupt",
171 ahc->sc_dev.dv_xname, intrtypestr);
172 if (intrstr != NULL)
173 printf(" at %s", intrstr);
174 printf("\n");
175 goto free_io;
176 }
177 if (intrstr != NULL)
178 printf("%s: %s interrupting at %s\n", ahc->sc_dev.dv_xname,
179 intrtypestr, intrstr);
180
181 /*
182 * Now that we know we own the resources we need, do the
183 * card initialization.
184 *
185 * First, the aic7770 card specific setup.
186 */
187 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
188 scsiconf = ahc_inb(ahc, SCSICONF);
189 scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
190
191 #ifdef AHC_DEBUG
192 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) {
193 printf("0x%x, 0x%x, 0x%x, 0x%x, "
194 "0x%x, 0x%x, 0x%x, 0x%x\n",
195 ahc_inb(ahc, i),
196 ahc_inb(ahc, i+1),
197 ahc_inb(ahc, i+2),
198 ahc_inb(ahc, i+3),
199 ahc_inb(ahc, i+4),
200 ahc_inb(ahc, i+5),
201 ahc_inb(ahc, i+6),
202 ahc_inb(ahc, i+7));
203 }
204 #endif
205
206 /* Get the primary channel information */
207 if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
208 ahc->flags |= AHC_PRIMARY_CHANNEL;
209
210 if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
211 ahc->flags |= AHC_USEDEFAULTS;
212 } else if ((ahc->features & AHC_WIDE) != 0) {
213 ahc->our_id = scsiconf1 & HWSCSIID;
214 if (scsiconf & TERM_ENB)
215 ahc->flags |= AHC_TERM_ENB_A;
216 } else {
217 ahc->our_id = scsiconf & HSCSIID;
218 ahc->our_id_b = scsiconf1 & HSCSIID;
219 if (scsiconf & TERM_ENB)
220 ahc->flags |= AHC_TERM_ENB_A;
221 if (scsiconf1 & TERM_ENB)
222 ahc->flags |= AHC_TERM_ENB_B;
223 }
224 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
225 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
226
227 /* Attach sub-devices */
228 if (ahc_aic77xx_attach(ahc) == 0)
229 return; /* succeed */
230
231 /* failed */
232 eisa_intr_disestablish(ec, ahc->ih);
233 free_io:
234 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
235 }
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