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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 | /* * $Id: b1isa.c,v 1.4 1999/08/22 20:26:24 calle Exp $ * * Module for AVM B1 ISA-card. * * (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de) * * $Log: b1isa.c,v $ * Revision 1.4 1999/08/22 20:26:24 calle * backported changes from kernel 2.3.14: * - several #include "config.h" gone, others come. * - "struct device" changed to "struct net_device" in 2.3.14, added a * define in isdn_compat.h for older kernel versions. * * Revision 1.3 1999/07/09 15:05:40 keil * compat.h is now isdn_compat.h * * Revision 1.2 1999/07/05 15:09:49 calle * - renamed "appl_release" to "appl_released". * - version und profile data now cleared on controller reset * - extended /proc interface, to allow driver and controller specific * informations to include by driver hackers. * * Revision 1.1 1999/07/01 15:26:27 calle * complete new version (I love it): * + new hardware independed "capi_driver" interface that will make it easy to: * - support other controllers with CAPI-2.0 (i.e. USB Controller) * - write a CAPI-2.0 for the passive cards * - support serial link CAPI-2.0 boxes. * + wrote "capi_driver" for all supported cards. * + "capi_driver" (supported cards) now have to be configured with * make menuconfig, in the past all supported cards where included * at once. * + new and better informations in /proc/capi/ * + new ioctl to switch trace of capi messages per controller * using "avmcapictrl trace [contr] on|off|...." * + complete testcircle with all supported cards and also the * PCMCIA cards (now patch for pcmcia-cs-3.0.13 needed) done. * * */ #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 <asm/io.h> #include "capicmd.h" #include "capiutil.h" #include "capilli.h" #include "avmcard.h" static char *revision = "$Revision: 1.4 $"; /* ------------------------------------------------------------- */ MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>"); /* ------------------------------------------------------------- */ static struct capi_driver_interface *di; /* ------------------------------------------------------------- */ static void b1isa_interrupt(int interrupt, void *devptr, struct pt_regs *regs) { avmcard *card; card = (avmcard *) devptr; if (!card) { printk(KERN_WARNING "b1_interrupt: wrong device\n"); return; } if (card->interrupt) { printk(KERN_ERR "b1_interrupt: reentering interrupt hander (%s)\n", card->name); return; } card->interrupt = 1; b1_handle_interrupt(card); card->interrupt = 0; } /* ------------------------------------------------------------- */ static void b1isa_remove_ctr(struct capi_ctr *ctrl) { avmcard *card = (avmcard *)(ctrl->driverdata); unsigned int port = card->port; b1_reset(port); b1_reset(port); di->detach_ctr(ctrl); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); kfree(card); MOD_DEC_USE_COUNT; } /* ------------------------------------------------------------- */ static int b1isa_add_card(struct capi_driver *driver, struct capicardparams *p) { avmcard *card; int retval; card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC); if (!card) { printk(KERN_WARNING "b1isa: no memory.\n"); return -ENOMEM; } memset(card, 0, sizeof(avmcard)); sprintf(card->name, "b1isa-%x", p->port); card->port = p->port; card->irq = p->irq; card->cardtype = avm_b1isa; if (check_region(card->port, AVMB1_PORTLEN)) { printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n", card->port, card->port + AVMB1_PORTLEN); kfree(card); return -EBUSY; } if (b1_irq_table[card->irq & 0xf] == 0) { printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq); kfree(card); return -EINVAL; } if ( card->port != 0x150 && card->port != 0x250 && card->port != 0x300 && card->port != 0x340) { printk(KERN_WARNING "b1isa: illegal port 0x%x.\n", card->port); kfree(card); return -EINVAL; } 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); kfree(card); return -EIO; } b1_reset(card->port); request_region(p->port, AVMB1_PORTLEN, card->name); retval = request_irq(card->irq, b1isa_interrupt, 0, card->name, card); if (retval) { printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq); release_region(card->port, AVMB1_PORTLEN); kfree(card); return -EBUSY; } card->ctrl = di->attach_ctr(driver, card->name, card); if (!card->ctrl) { printk(KERN_ERR "b1isa: attach controller failed.\n"); free_irq(card->irq, card); release_region(card->port, AVMB1_PORTLEN); kfree(card); return -EBUSY; } MOD_INC_USE_COUNT; return 0; } static char *b1isa_procinfo(struct capi_ctr *ctrl) { avmcard *card = (avmcard *)(ctrl->driverdata); if (!card) return ""; sprintf(card->infobuf, "%s %s 0x%x %d", card->cardname[0] ? card->cardname : "-", card->version[VER_DRIVER] ? card->version[VER_DRIVER] : "-", card->port, card->irq ); return card->infobuf; } /* ------------------------------------------------------------- */ static struct capi_driver b1isa_driver = { "b1isa", "0.0", b1_load_firmware, b1_reset_ctr, b1isa_remove_ctr, b1_register_appl, b1_release_appl, b1_send_message, b1isa_procinfo, b1ctl_read_proc, 0, /* use standard driver_read_proc */ b1isa_add_card, }; #ifdef MODULE #define b1isa_init init_module void cleanup_module(void); #endif int b1isa_init(void) { struct capi_driver *driver = &b1isa_driver; char *p; if ((p = strchr(revision, ':'))) { strncpy(driver->revision, p + 1, sizeof(driver->revision)); p = strchr(driver->revision, '$'); *p = 0; } printk(KERN_INFO "%s: revision %s\n", driver->name, driver->revision); di = attach_capi_driver(driver); if (!di) { printk(KERN_ERR "%s: failed to attach capi_driver\n", driver->name); return -EIO; } return 0; } #ifdef MODULE void cleanup_module(void) { detach_capi_driver(&b1isa_driver); } #endif |