Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 | /* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $ * * Module for AVM B1 ISA-card. * * Copyright 1999 by Carsten Paeth <calle@calle.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/skbuff.h> #include <linux/delay.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/capi.h> #include <linux/init.h> #include <linux/pci.h> #include <asm/io.h> #include <linux/isdn/capicmd.h> #include <linux/isdn/capiutil.h> #include <linux/isdn/capilli.h> #include "avmcard.h" /* ------------------------------------------------------------- */ static char *revision = "$Revision: 1.1.2.3 $"; /* ------------------------------------------------------------- */ MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 ISA card"); MODULE_AUTHOR("Carsten Paeth"); MODULE_LICENSE("GPL"); /* ------------------------------------------------------------- */ static void b1isa_remove(struct pci_dev *pdev) { avmctrl_info *cinfo = pci_get_drvdata(pdev); avmcard *card; if (!cinfo) return; card = cinfo->card; b1_reset(card->port); b1_reset(card->port); detach_capi_ctr(&cinfo->capi_ctrl); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); b1_free_card(card); } /* ------------------------------------------------------------- */ static char *b1isa_procinfo(struct capi_ctr *ctrl); static int b1isa_probe(struct pci_dev *pdev) { avmctrl_info *cinfo; avmcard *card; int retval; card = b1_alloc_card(1); if (!card) { printk(KERN_WARNING "b1isa: no memory.\n"); retval = -ENOMEM; goto err; } cinfo = card->ctrlinfo; card->port = pci_resource_start(pdev, 0); card->irq = pdev->irq; card->cardtype = avm_b1isa; sprintf(card->name, "b1isa-%x", card->port); if (card->port != 0x150 && card->port != 0x250 && card->port != 0x300 && card->port != 0x340) { printk(KERN_WARNING "b1isa: invalid port 0x%x.\n", card->port); retval = -EINVAL; goto err_free; } if (b1_irq_table[card->irq & 0xf] == 0) { printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq); retval = -EINVAL; goto err_free; } if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n", card->port, card->port + AVMB1_PORTLEN); retval = -EBUSY; goto err_free; } retval = request_irq(card->irq, b1_interrupt, 0, card->name, card); if (retval) { printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq); goto err_release_region; } b1_reset(card->port); if ((retval = b1_detect(card->port, card->cardtype)) != 0) { printk(KERN_NOTICE "b1isa: NO card at 0x%x (%d)\n", card->port, retval); retval = -ENODEV; goto err_free_irq; } b1_reset(card->port); b1_getrevision(card); cinfo->capi_ctrl.owner = THIS_MODULE; cinfo->capi_ctrl.driver_name = "b1isa"; cinfo->capi_ctrl.driverdata = cinfo; cinfo->capi_ctrl.register_appl = b1_register_appl; cinfo->capi_ctrl.release_appl = b1_release_appl; cinfo->capi_ctrl.send_message = b1_send_message; cinfo->capi_ctrl.load_firmware = b1_load_firmware; cinfo->capi_ctrl.reset_ctr = b1_reset_ctr; cinfo->capi_ctrl.procinfo = b1isa_procinfo; cinfo->capi_ctrl.proc_fops = &b1ctl_proc_fops; strcpy(cinfo->capi_ctrl.name, card->name); retval = attach_capi_ctr(&cinfo->capi_ctrl); if (retval) { printk(KERN_ERR "b1isa: attach controller failed.\n"); goto err_free_irq; } printk(KERN_INFO "b1isa: AVM B1 ISA at i/o %#x, irq %d, revision %d\n", card->port, card->irq, card->revision); pci_set_drvdata(pdev, cinfo); return 0; err_free_irq: free_irq(card->irq, card); err_release_region: release_region(card->port, AVMB1_PORTLEN); err_free: b1_free_card(card); err: return retval; } static char *b1isa_procinfo(struct capi_ctr *ctrl) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); if (!cinfo) return ""; sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d", cinfo->cardname[0] ? cinfo->cardname : "-", cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", cinfo->card ? cinfo->card->port : 0x0, cinfo->card ? cinfo->card->irq : 0, cinfo->card ? cinfo->card->revision : 0 ); return cinfo->infobuf; } /* ------------------------------------------------------------- */ #define MAX_CARDS 4 static struct pci_dev isa_dev[MAX_CARDS]; static int io[MAX_CARDS]; static int irq[MAX_CARDS]; module_param_hw_array(io, int, ioport, NULL, 0); module_param_hw_array(irq, int, irq, NULL, 0); MODULE_PARM_DESC(io, "I/O base address(es)"); MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); static int b1isa_add_card(struct capi_driver *driver, capicardparams *data) { int i; for (i = 0; i < MAX_CARDS; i++) { if (isa_dev[i].resource[0].start) continue; isa_dev[i].resource[0].start = data->port; isa_dev[i].irq = data->irq; if (b1isa_probe(&isa_dev[i]) == 0) return 0; } return -ENODEV; } static struct capi_driver capi_driver_b1isa = { .name = "b1isa", .revision = "1.0", .add_card = b1isa_add_card, }; static int __init b1isa_init(void) { char *p; char rev[32]; int i; if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, 32); if ((p = strchr(rev, '$')) != NULL && p > rev) *(p - 1) = 0; } else strcpy(rev, "1.0"); for (i = 0; i < MAX_CARDS; i++) { if (!io[i]) break; isa_dev[i].resource[0].start = io[i]; isa_dev[i].irq = irq[i]; if (b1isa_probe(&isa_dev[i]) != 0) return -ENODEV; } strlcpy(capi_driver_b1isa.revision, rev, 32); register_capi_driver(&capi_driver_b1isa); printk(KERN_INFO "b1isa: revision %s\n", rev); return 0; } static void __exit b1isa_exit(void) { int i; for (i = 0; i < MAX_CARDS; i++) { if (isa_dev[i].resource[0].start) b1isa_remove(&isa_dev[i]); } unregister_capi_driver(&capi_driver_b1isa); } module_init(b1isa_init); module_exit(b1isa_exit); |