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aha_isa.c (40265) aha_isa.c (41048)
1/*
2 * Product specific probe and attach routines for:
3 * Adaptec 154x.
4 *
5 * Derived from code written by:
6 *
7 * Copyright (c) 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, this list of conditions, and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
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 *
1/*
2 * Product specific probe and attach routines for:
3 * Adaptec 154x.
4 *
5 * Derived from code written by:
6 *
7 * Copyright (c) 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, this list of conditions, and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
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 * $Id: aha_isa.c,v 1.3 1998/10/10 00:44:12 imp Exp $
31 * $Id: aha_isa.c,v 1.4 1998/10/12 18:53:33 imp Exp $
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36
37#include <machine/bus_pio.h>
38#include <machine/bus.h>
39
40#include <i386/isa/isa_device.h>
41#include <dev/aha/ahareg.h>
42
43#include <cam/scsi/scsi_all.h>
44
45static int aha_isa_probe __P((struct isa_device *dev));
46static int aha_isa_attach __P((struct isa_device *dev));
47static void aha_isa_intr __P((void *unit));
48
49struct isa_driver ahadriver =
50{
51 aha_isa_probe,
52 aha_isa_attach,
53 "aha"
54};
55
56/*
57 * Check if the device can be found at the port given
58 * and if so, set it up ready for further work
59 * as an argument, takes the isa_device structure from
60 * autoconf.c
61 */
62static int
63aha_isa_probe(dev)
64 struct isa_device *dev;
65{
66 /*
67 * find unit and check we have that many defined
68 */
69 struct aha_softc *aha;
70 int port_index;
32 */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36
37#include <machine/bus_pio.h>
38#include <machine/bus.h>
39
40#include <i386/isa/isa_device.h>
41#include <dev/aha/ahareg.h>
42
43#include <cam/scsi/scsi_all.h>
44
45static int aha_isa_probe __P((struct isa_device *dev));
46static int aha_isa_attach __P((struct isa_device *dev));
47static void aha_isa_intr __P((void *unit));
48
49struct isa_driver ahadriver =
50{
51 aha_isa_probe,
52 aha_isa_attach,
53 "aha"
54};
55
56/*
57 * Check if the device can be found at the port given
58 * and if so, set it up ready for further work
59 * as an argument, takes the isa_device structure from
60 * autoconf.c
61 */
62static int
63aha_isa_probe(dev)
64 struct isa_device *dev;
65{
66 /*
67 * find unit and check we have that many defined
68 */
69 struct aha_softc *aha;
70 int port_index;
71 int max_port_index;
71 int max_port_index;
72
73 /*
74 * We ignore the unit number assigned by config to allow
75 * consistant numbering between PCI/EISA/ISA devices.
76 * This is a total kludge until we have a configuration
77 * manager.
78 */
79 dev->id_unit = aha_unit;
80
81 aha = NULL;
72
73 /*
74 * We ignore the unit number assigned by config to allow
75 * consistant numbering between PCI/EISA/ISA devices.
76 * This is a total kludge until we have a configuration
77 * manager.
78 */
79 dev->id_unit = aha_unit;
80
81 aha = NULL;
82 port_index = 0;
83 max_port_index = AHA_NUM_ISAPORTS - 1;
82
84 /*
85 * Bound our board search if the user has
86 * specified an exact port.
87 */
83 /*
84 * Bound our board search if the user has
85 * specified an exact port.
86 */
88 if (dev->id_iobase > 0) {
89 for (;port_index <= max_port_index; port_index++)
90 if (dev->id_iobase >= aha_isa_ports[port_index].addr)
91 break;
92 if ((port_index > max_port_index)
93 || (dev->id_iobase != aha_isa_ports[port_index].addr)) {
94 printf("
95aha_isa_probe: Invalid baseport of 0x%x specified.
96aha_isa_probe: Nearest valid baseport is 0x%x.
97aha_isa_probe: Failing probe.\n",
98 dev->id_iobase,
99 (port_index <= max_port_index)
100 ? aha_isa_ports[port_index].addr
101 : aha_isa_ports[max_port_index].addr);
102 return 0;
103 }
104 max_port_index = port_index;
105 }
87 aha_find_probe_range(dev->id_iobase, &port_index, &max_port_index);
106
88
89 if (port_index < 0)
90 return 0;
91
107 /* Attempt to find an adapter */
108 for (;port_index <= max_port_index; port_index++) {
109 config_data_t config_data;
110 u_int ioport;
111 int error;
112
92 /* Attempt to find an adapter */
93 for (;port_index <= max_port_index; port_index++) {
94 config_data_t config_data;
95 u_int ioport;
96 int error;
97
113 ioport = aha_isa_ports[port_index].addr;
98 ioport = aha_iop_from_bio(port_index);
114
115 /*
116 * Ensure this port has not already been claimed already
117 * by a PCI, EISA or ISA adapter.
118 */
119 if (aha_check_probed_iop(ioport) != 0)
120 continue;
99
100 /*
101 * Ensure this port has not already been claimed already
102 * by a PCI, EISA or ISA adapter.
103 */
104 if (aha_check_probed_iop(ioport) != 0)
105 continue;
121 dev->id_iobase = aha_isa_ports[port_index].addr;
106 dev->id_iobase = ioport;
122 if (haveseen_isadev(dev, CC_IOADDR | CC_QUIET))
123 continue;
124
125 /* Allocate a softc for use during probing */
126 aha = aha_alloc(dev->id_unit, I386_BUS_SPACE_IO, ioport);
127
128 if (aha == NULL)
129 break;
130
131 /* We're going to attempt to probe it now, so mark it probed */
132 aha_mark_probed_bio(port_index);
133
134 /* See if there is really a card present */
135 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
136 aha_free(aha);
137 continue;
138 }
139
140 /*
141 * Determine our IRQ, and DMA settings and
142 * export them to the configuration system.
143 */
107 if (haveseen_isadev(dev, CC_IOADDR | CC_QUIET))
108 continue;
109
110 /* Allocate a softc for use during probing */
111 aha = aha_alloc(dev->id_unit, I386_BUS_SPACE_IO, ioport);
112
113 if (aha == NULL)
114 break;
115
116 /* We're going to attempt to probe it now, so mark it probed */
117 aha_mark_probed_bio(port_index);
118
119 /* See if there is really a card present */
120 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) {
121 aha_free(aha);
122 continue;
123 }
124
125 /*
126 * Determine our IRQ, and DMA settings and
127 * export them to the configuration system.
128 */
144 error = aha_cmd(aha, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
129 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
145 (u_int8_t*)&config_data, sizeof(config_data),
146 DEFAULT_CMD_TIMEOUT);
147 if (error != 0) {
148 printf("aha_isa_probe: Could not determine IRQ or DMA "
149 "settings for adapter at 0x%x. Failing probe\n",
150 ioport);
151 aha_free(aha);
152 continue;
153 }
154
155 switch (config_data.dma_chan) {
156 case DMA_CHAN_5:
157 dev->id_drq = 5;
158 break;
159 case DMA_CHAN_6:
160 dev->id_drq = 6;
161 break;
162 case DMA_CHAN_7:
163 dev->id_drq = 7;
164 break;
165 default:
166 printf("aha_isa_probe: Invalid DMA setting "
167 "detected for adapter at 0x%x. "
168 "Failing probe\n", ioport);
130 (u_int8_t*)&config_data, sizeof(config_data),
131 DEFAULT_CMD_TIMEOUT);
132 if (error != 0) {
133 printf("aha_isa_probe: Could not determine IRQ or DMA "
134 "settings for adapter at 0x%x. Failing probe\n",
135 ioport);
136 aha_free(aha);
137 continue;
138 }
139
140 switch (config_data.dma_chan) {
141 case DMA_CHAN_5:
142 dev->id_drq = 5;
143 break;
144 case DMA_CHAN_6:
145 dev->id_drq = 6;
146 break;
147 case DMA_CHAN_7:
148 dev->id_drq = 7;
149 break;
150 default:
151 printf("aha_isa_probe: Invalid DMA setting "
152 "detected for adapter at 0x%x. "
153 "Failing probe\n", ioport);
154 return (0);
169 }
170 dev->id_irq = (config_data.irq << 9);
171 dev->id_intr = aha_isa_intr;
172 aha_unit++;
173 return (AHA_NREGS);
174 }
175
176 return (0);
177}
178
179/*
180 * Attach all the sub-devices we can find
181 */
182static int
183aha_isa_attach(dev)
184 struct isa_device *dev;
185{
186 struct aha_softc *aha;
187 bus_dma_filter_t *filter;
188 void *filter_arg;
189 bus_addr_t lowaddr;
190
191 aha = aha_softcs[dev->id_unit];
192 if (dev->id_drq != -1)
193 isa_dmacascade(dev->id_drq);
194
195 /* Allocate our parent dmatag */
196 filter = NULL;
197 filter_arg = NULL;
198 lowaddr = BUS_SPACE_MAXADDR_24BIT;
199
200 if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
201 lowaddr, /*highaddr*/BUS_SPACE_MAXADDR,
202 filter, filter_arg,
203 /*maxsize*/BUS_SPACE_MAXSIZE_24BIT,
204 /*nsegments*/BUS_SPACE_UNRESTRICTED,
205 /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT,
206 /*flags*/0, &aha->parent_dmat) != 0) {
207 aha_free(aha);
208 return (-1);
209 }
210
211 if (aha_init(aha)) {
212 printf("aha init failed\n");
213 aha_free(aha);
214 return (-1);
215 }
216
217 return (aha_attach(aha));
218}
219
220/*
221 * Handle an ISA interrupt.
222 * XXX should go away as soon as ISA interrupt handlers
223 * take a (void *) arg.
224 */
225static void
226aha_isa_intr(void *unit)
227{
228 struct aha_softc* arg = aha_softcs[(int)unit];
229 aha_intr((void *)arg);
230}
155 }
156 dev->id_irq = (config_data.irq << 9);
157 dev->id_intr = aha_isa_intr;
158 aha_unit++;
159 return (AHA_NREGS);
160 }
161
162 return (0);
163}
164
165/*
166 * Attach all the sub-devices we can find
167 */
168static int
169aha_isa_attach(dev)
170 struct isa_device *dev;
171{
172 struct aha_softc *aha;
173 bus_dma_filter_t *filter;
174 void *filter_arg;
175 bus_addr_t lowaddr;
176
177 aha = aha_softcs[dev->id_unit];
178 if (dev->id_drq != -1)
179 isa_dmacascade(dev->id_drq);
180
181 /* Allocate our parent dmatag */
182 filter = NULL;
183 filter_arg = NULL;
184 lowaddr = BUS_SPACE_MAXADDR_24BIT;
185
186 if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0,
187 lowaddr, /*highaddr*/BUS_SPACE_MAXADDR,
188 filter, filter_arg,
189 /*maxsize*/BUS_SPACE_MAXSIZE_24BIT,
190 /*nsegments*/BUS_SPACE_UNRESTRICTED,
191 /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT,
192 /*flags*/0, &aha->parent_dmat) != 0) {
193 aha_free(aha);
194 return (-1);
195 }
196
197 if (aha_init(aha)) {
198 printf("aha init failed\n");
199 aha_free(aha);
200 return (-1);
201 }
202
203 return (aha_attach(aha));
204}
205
206/*
207 * Handle an ISA interrupt.
208 * XXX should go away as soon as ISA interrupt handlers
209 * take a (void *) arg.
210 */
211static void
212aha_isa_intr(void *unit)
213{
214 struct aha_softc* arg = aha_softcs[(int)unit];
215 aha_intr((void *)arg);
216}