Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Linux driver attachment glue for aic7770 based controllers. | |
3 | * | |
4 | * Copyright (c) 2000-2003 Adaptec Inc. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions, and the following disclaimer, | |
12 | * without modification. | |
13 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
14 | * substantially similar to the "NO WARRANTY" disclaimer below | |
15 | * ("Disclaimer") and any redistribution must be conditioned upon | |
16 | * including a substantially similar Disclaimer requirement for further | |
17 | * binary redistribution. | |
18 | * 3. Neither the names of the above-listed copyright holders nor the names | |
19 | * of any contributors may be used to endorse or promote products derived | |
20 | * from this software without specific prior written permission. | |
21 | * | |
22 | * Alternatively, this software may be distributed under the terms of the | |
23 | * GNU General Public License ("GPL") version 2 as published by the Free | |
24 | * Software Foundation. | |
25 | * | |
26 | * NO WARRANTY | |
27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
30 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
31 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
35 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
36 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
37 | * POSSIBILITY OF SUCH DAMAGES. | |
38 | * | |
39 | * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#14 $ | |
40 | */ | |
41 | ||
42 | #include "aic7xxx_osm.h" | |
43 | ||
1da177e4 LT |
44 | #include <linux/device.h> |
45 | #include <linux/eisa.h> | |
46 | ||
1da177e4 LT |
47 | int |
48 | aic7770_map_registers(struct ahc_softc *ahc, u_int port) | |
49 | { | |
50 | /* | |
51 | * Lock out other contenders for our i/o space. | |
52 | */ | |
172c122d | 53 | if (!request_region(port, AHC_EISA_IOSIZE, "aic7xxx")) |
1da177e4 LT |
54 | return (ENOMEM); |
55 | ahc->tag = BUS_SPACE_PIO; | |
56 | ahc->bsh.ioport = port; | |
57 | return (0); | |
58 | } | |
59 | ||
60 | int | |
61 | aic7770_map_int(struct ahc_softc *ahc, u_int irq) | |
62 | { | |
63 | int error; | |
64 | int shared; | |
65 | ||
66 | shared = 0; | |
67 | if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0) | |
1d6f359a | 68 | shared = IRQF_SHARED; |
1da177e4 LT |
69 | |
70 | error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc); | |
71 | if (error == 0) | |
72 | ahc->platform_data->irq = irq; | |
73 | ||
74 | return (-error); | |
75 | } | |
76 | ||
1da177e4 | 77 | static int |
d6cbbad7 | 78 | aic7770_probe(struct device *dev) |
1da177e4 | 79 | { |
d6cbbad7 CH |
80 | struct eisa_device *edev = to_eisa_device(dev); |
81 | u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET; | |
82 | struct ahc_softc *ahc; | |
83 | char buf[80]; | |
84 | char *name; | |
85 | int error; | |
86 | ||
87 | sprintf(buf, "ahc_eisa:%d", eisaBase >> 12); | |
48813cf9 | 88 | name = kmalloc(strlen(buf) + 1, GFP_ATOMIC); |
d6cbbad7 CH |
89 | if (name == NULL) |
90 | return (ENOMEM); | |
91 | strcpy(name, buf); | |
92 | ahc = ahc_alloc(&aic7xxx_driver_template, name); | |
93 | if (ahc == NULL) | |
94 | return (ENOMEM); | |
95 | error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data, | |
96 | eisaBase); | |
97 | if (error != 0) { | |
98 | ahc->bsh.ioport = 0; | |
99 | ahc_free(ahc); | |
100 | return (error); | |
101 | } | |
102 | ||
103 | dev_set_drvdata(dev, ahc); | |
1da177e4 | 104 | |
dfd287f6 | 105 | error = ahc_linux_register_host(ahc, &aic7xxx_driver_template); |
d6cbbad7 | 106 | return (error); |
1da177e4 LT |
107 | } |
108 | ||
109 | static int | |
d6cbbad7 | 110 | aic7770_remove(struct device *dev) |
1da177e4 | 111 | { |
d6cbbad7 | 112 | struct ahc_softc *ahc = dev_get_drvdata(dev); |
3d65692a | 113 | u_long s; |
1da177e4 | 114 | |
97af50f6 JB |
115 | if (ahc->platform_data && ahc->platform_data->host) |
116 | scsi_remove_host(ahc->platform_data->host); | |
117 | ||
3d65692a CH |
118 | ahc_lock(ahc, &s); |
119 | ahc_intr_enable(ahc, FALSE); | |
120 | ahc_unlock(ahc, &s); | |
1da177e4 | 121 | |
d6cbbad7 CH |
122 | ahc_free(ahc); |
123 | return 0; | |
124 | } | |
125 | ||
126 | static struct eisa_device_id aic7770_ids[] = { | |
127 | { "ADP7771", 0 }, /* AHA 274x */ | |
128 | { "ADP7756", 1 }, /* AHA 284x BIOS enabled */ | |
129 | { "ADP7757", 2 }, /* AHA 284x BIOS disabled */ | |
130 | { "ADP7782", 3 }, /* AHA 274x Olivetti OEM */ | |
131 | { "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */ | |
132 | { "ADP7770", 5 }, /* AIC7770 generic */ | |
133 | { "" } | |
134 | }; | |
07563c71 MT |
135 | MODULE_DEVICE_TABLE(eisa, aic7770_ids); |
136 | ||
d6cbbad7 CH |
137 | static struct eisa_driver aic7770_driver = { |
138 | .id_table = aic7770_ids, | |
139 | .driver = { | |
140 | .name = "aic7xxx", | |
141 | .probe = aic7770_probe, | |
142 | .remove = aic7770_remove, | |
143 | } | |
144 | }; | |
145 | ||
146 | int | |
147 | ahc_linux_eisa_init(void) | |
148 | { | |
149 | return eisa_driver_register(&aic7770_driver); | |
150 | } | |
151 | ||
152 | void | |
153 | ahc_linux_eisa_exit(void) | |
154 | { | |
155 | eisa_driver_unregister(&aic7770_driver); | |
1da177e4 | 156 | } |