2 * Linux ARCnet driver - COM20020 PCI support
3 * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
5 * Written 1994-1999 by Avery Pennarun,
6 * based on an ISA version by David Woodhouse.
7 * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
8 * Derived from skeleton.c by Donald Becker.
10 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
11 * for sponsoring the further development of this driver.
13 * **********************
15 * The original copyright of skeleton.c was as follows:
17 * skeleton.c Written 1993 by Donald Becker.
18 * Copyright 1993 United States Government as represented by the
19 * Director, National Security Agency. This software may only be used
20 * and distributed according to the terms of the GNU General Public License as
21 * modified by SRC, incorporated herein by reference.
23 * **********************
25 * For more details, see drivers/net/arcnet.c
27 * **********************
29 #include <linux/module.h>
30 #include <linux/moduleparam.h>
31 #include <linux/kernel.h>
32 #include <linux/types.h>
33 #include <linux/ioport.h>
34 #include <linux/slab.h>
35 #include <linux/errno.h>
36 #include <linux/netdevice.h>
37 #include <linux/init.h>
38 #include <linux/pci.h>
39 #include <linux/arcdevice.h>
40 #include <linux/com20020.h>
45 #define VERSION "arcnet: COM20020 PCI support\n"
47 /* Module parameters */
50 static char device
[9]; /* use eg. device="arc1" to change name */
51 static int timeout
= 3;
56 module_param(node
, int, 0);
57 module_param_string(device
, device
, sizeof(device
), 0);
58 module_param(timeout
, int, 0);
59 module_param(backplane
, int, 0);
60 module_param(clockp
, int, 0);
61 module_param(clockm
, int, 0);
62 MODULE_LICENSE("GPL");
64 static int __devinit
com20020pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
66 struct net_device
*dev
;
67 struct arcnet_local
*lp
;
70 if (pci_enable_device(pdev
))
72 dev
= alloc_arcdev(device
);
75 lp
= netdev_priv(dev
);
77 pci_set_drvdata(pdev
, dev
);
79 // SOHARD needs PCI base addr 4
80 if (pdev
->vendor
==0x10B5) {
81 BUGMSG(D_NORMAL
, "SOHARD\n");
82 ioaddr
= pci_resource_start(pdev
, 4);
85 BUGMSG(D_NORMAL
, "Contemporary Controls\n");
86 ioaddr
= pci_resource_start(pdev
, 2);
89 if (!request_region(ioaddr
, ARCNET_TOTAL_SIZE
, "com20020-pci")) {
90 BUGMSG(D_INIT
, "IO region %xh-%xh already allocated.\n",
91 ioaddr
, ioaddr
+ ARCNET_TOTAL_SIZE
- 1);
96 // Dummy access after Reset
97 // ARCNET controller needs this access to detect bustype
101 dev
->base_addr
= ioaddr
;
102 dev
->irq
= pdev
->irq
;
103 dev
->dev_addr
[0] = node
;
104 lp
->card_name
= "PCI COM20020";
105 lp
->card_flags
= id
->driver_data
;
106 lp
->backplane
= backplane
;
107 lp
->clockp
= clockp
& 7;
108 lp
->clockm
= clockm
& 3;
109 lp
->timeout
= timeout
;
110 lp
->hw
.owner
= THIS_MODULE
;
112 if (ASTATUS() == 0xFF) {
113 BUGMSG(D_NORMAL
, "IO address %Xh was reported by PCI BIOS, "
114 "but seems empty!\n", ioaddr
);
118 if (com20020_check(dev
)) {
123 if ((err
= com20020_found(dev
, IRQF_SHARED
)) != 0)
129 release_region(ioaddr
, ARCNET_TOTAL_SIZE
);
135 static void __devexit
com20020pci_remove(struct pci_dev
*pdev
)
137 struct net_device
*dev
= pci_get_drvdata(pdev
);
138 unregister_netdev(dev
);
139 free_irq(dev
->irq
, dev
);
140 release_region(dev
->base_addr
, ARCNET_TOTAL_SIZE
);
144 static struct pci_device_id com20020pci_id_table
[] = {
145 { 0x1571, 0xa001, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
146 { 0x1571, 0xa002, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
147 { 0x1571, 0xa003, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
148 { 0x1571, 0xa004, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
149 { 0x1571, 0xa005, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
150 { 0x1571, 0xa006, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
151 { 0x1571, 0xa007, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
152 { 0x1571, 0xa008, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, 0 },
153 { 0x1571, 0xa009, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
154 { 0x1571, 0xa00a, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
155 { 0x1571, 0xa00b, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
156 { 0x1571, 0xa00c, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
157 { 0x1571, 0xa00d, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
158 { 0x1571, 0xa00e, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_IS_5MBIT
},
159 { 0x1571, 0xa201, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
160 { 0x1571, 0xa202, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
161 { 0x1571, 0xa203, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
162 { 0x1571, 0xa204, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
163 { 0x1571, 0xa205, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
164 { 0x1571, 0xa206, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
165 { 0x10B5, 0x9030, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
166 { 0x10B5, 0x9050, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
167 { 0x14BA, 0x6000, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
168 { 0x10B5, 0x2200, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, ARC_CAN_10MBIT
},
172 MODULE_DEVICE_TABLE(pci
, com20020pci_id_table
);
174 static struct pci_driver com20020pci_driver
= {
176 .id_table
= com20020pci_id_table
,
177 .probe
= com20020pci_probe
,
178 .remove
= __devexit_p(com20020pci_remove
),
181 static int __init
com20020pci_init(void)
183 BUGLVL(D_NORMAL
) printk(VERSION
);
184 return pci_register_driver(&com20020pci_driver
);
187 static void __exit
com20020pci_cleanup(void)
189 pci_unregister_driver(&com20020pci_driver
);
192 module_init(com20020pci_init
)
193 module_exit(com20020pci_cleanup
)