drivers/isdn/hardware/eicon/divasproc.c

   1 /* $Id: divasproc.c,v 1.19 2004/03/21 17:26:01 armin Exp $
   2  *
   3  * Low level driver for Eicon DIVA Server ISDN cards.
   4  * /proc functions
   5  *
   6  * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
   7  * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
   8  *
   9  * This software may be used and distributed according to the terms
  10  * of the GNU General Public License, incorporated herein by reference.
  11  */
  12
  13 #include <linux/config.h>
  14 #include <linux/module.h>
  15 #include <linux/kernel.h>
  16 #include <linux/poll.h>
  17 #include <linux/proc_fs.h>
  18 #include <linux/list.h>
  19
  20 #include "platform.h"
  21 #include "debuglib.h"
  22 #undef ID_MASK
  23 #undef N_DATA
  24 #include "pc.h"
  25 #include "di_defs.h"
  26 #include "divasync.h"
  27 #include "di.h"
  28 #include "io.h"
  29 #include "xdi_msg.h"
  30 #include "xdi_adapter.h"
  31 #include "diva.h"
  32 #include "diva_pci.h"
  33
  34
  35 extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
  36 extern void divas_get_version(char *);
  37 extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
  38
  39 /*********************************************************
  40  ** Functions for /proc interface / File operations
  41  *********************************************************/
  42
  43 static char *divas_proc_name = "divas";
  44 static char *adapter_dir_name = "adapter";
  45 static char *info_proc_name = "info";
  46 static char *grp_opt_proc_name = "group_optimization";
  47 static char *d_l1_down_proc_name = "dynamic_l1_down";
  48
  49 /*
  50 ** "divas" entry
  51 */
  52
  53 extern struct proc_dir_entry *proc_net_eicon;
  54 static struct proc_dir_entry *divas_proc_entry = NULL;
  55
  56 static ssize_t
  57 divas_read(struct file *file, char *buf, size_t count, loff_t * off)
  58 {
  59         int len = 0;
  60         int cadapter;
  61         char tmpbuf[80];
  62         char tmpser[16];
  63
  64         if (*off)
  65                 return 0;
  66         if (off != &file->f_pos)
  67                 return -ESPIPE;
  68
  69         divas_get_version(tmpbuf);
  70         if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
  71                 return -EFAULT;
  72         len += strlen(tmpbuf);
  73
  74         for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
  75                 if (IoAdapters[cadapter]) {
  76                         diva_get_vserial_number(IoAdapters[cadapter],
  77                                                 tmpser);
  78                         sprintf(tmpbuf,
  79                                 "%2d: %-30s Serial:%-10s IRQ:%2d\n",
  80                                 cadapter + 1,
  81                                 IoAdapters[cadapter]->Properties.Name,
  82                                 tmpser,
  83                                 IoAdapters[cadapter]->irq_info.irq_nr);
  84                         if ((strlen(tmpbuf) + len) > count)
  85                                 break;
  86                         if (copy_to_user
  87                             (buf + len, &tmpbuf,
  88                              strlen(tmpbuf))) return -EFAULT;
  89                         len += strlen(tmpbuf);
  90                 }
  91         }
  92
  93         *off += len;
  94         return (len);
  95 }
  96
  97 static ssize_t
  98 divas_write(struct file *file, const char *buf, size_t count, loff_t * off)
  99 {
 100         return (-ENODEV);
 101 }
 102
 103 static unsigned int divas_poll(struct file *file, poll_table * wait)
 104 {
 105         return (POLLERR);
 106 }
 107
 108 static int divas_open(struct inode *inode, struct file *file)
 109 {
 110         return (0);
 111 }
 112
 113 static int divas_close(struct inode *inode, struct file *file)
 114 {
 115         return (0);
 116 }
 117
 118 static struct file_operations divas_fops = {
 119         .owner   = THIS_MODULE,
 120         .llseek  = no_llseek,
 121         .read    = divas_read,
 122         .write   = divas_write,
 123         .poll    = divas_poll,
 124         .open    = divas_open,
 125         .release = divas_close
 126 };
 127
 128 int create_divas_proc(void)
 129 {
 130         divas_proc_entry = create_proc_entry(divas_proc_name,
 131                                              S_IFREG | S_IRUGO,
 132                                              proc_net_eicon);
 133         if (!divas_proc_entry)
 134                 return (0);
 135
 136         divas_proc_entry->proc_fops = &divas_fops;
 137         divas_proc_entry->owner = THIS_MODULE;
 138
 139         return (1);
 140 }
 141
 142 void remove_divas_proc(void)
 143 {
 144         if (divas_proc_entry) {
 145                 remove_proc_entry(divas_proc_name, proc_net_eicon);
 146                 divas_proc_entry = NULL;
 147         }
 148 }
 149
 150 /*
 151 ** write group_optimization
 152 */
 153 static int
 154 write_grp_opt(struct file *file, const char *buffer, unsigned long count,
 155               void *data)
 156 {
 157         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 158         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 159
 160         if ((count == 1) || (count == 2)) {
 161                 switch (buffer[0]) {
 162                 case '0':
 163                         IoAdapter->capi_cfg.cfg_1 &=
 164                             ~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
 165                         break;
 166                 case '1':
 167                         IoAdapter->capi_cfg.cfg_1 |=
 168                             DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
 169                         break;
 170                 default:
 171                         return (-EINVAL);
 172                 }
 173                 return (count);
 174         }
 175         return (-EINVAL);
 176 }
 177
 178 /*
 179 ** write dynamic_l1_down
 180 */
 181 static int
 182 write_d_l1_down(struct file *file, const char *buffer, unsigned long count,
 183                 void *data)
 184 {
 185         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 186         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 187
 188         if ((count == 1) || (count == 2)) {
 189                 switch (buffer[0]) {
 190                 case '0':
 191                         IoAdapter->capi_cfg.cfg_1 &=
 192                             ~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
 193                         break;
 194                 case '1':
 195                         IoAdapter->capi_cfg.cfg_1 |=
 196                             DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
 197                         break;
 198                 default:
 199                         return (-EINVAL);
 200                 }
 201                 return (count);
 202         }
 203         return (-EINVAL);
 204 }
 205
 206
 207 /*
 208 ** read dynamic_l1_down
 209 */
 210 static int
 211 read_d_l1_down(char *page, char **start, off_t off, int count, int *eof,
 212                void *data)
 213 {
 214         int len = 0;
 215         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 216         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 217
 218         len += sprintf(page + len, "%s\n",
 219                        (IoAdapter->capi_cfg.
 220                         cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
 221                        "0");
 222
 223         if (off + count >= len)
 224                 *eof = 1;
 225         if (len < off)
 226                 return 0;
 227         *start = page + off;
 228         return ((count < len - off) ? count : len - off);
 229 }
 230
 231 /*
 232 ** read group_optimization
 233 */
 234 static int
 235 read_grp_opt(char *page, char **start, off_t off, int count, int *eof,
 236              void *data)
 237 {
 238         int len = 0;
 239         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 240         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 241
 242         len += sprintf(page + len, "%s\n",
 243                        (IoAdapter->capi_cfg.
 244                         cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
 245                        ? "1" : "0");
 246
 247         if (off + count >= len)
 248                 *eof = 1;
 249         if (len < off)
 250                 return 0;
 251         *start = page + off;
 252         return ((count < len - off) ? count : len - off);
 253 }
 254
 255 /*
 256 ** info write
 257 */
 258 static int
 259 info_write(struct file *file, const char *buffer, unsigned long count,
 260            void *data)
 261 {
 262         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 263         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 264
 265         /* this is for test purposes only */
 266         if ((count > 4) && (!memcmp(buffer, "trap", 4))) {
 267                 (*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
 268                 return (count);
 269         }
 270         return (-EINVAL);
 271 }
 272
 273 /*
 274 ** info read
 275 */
 276 static int
 277 info_read(char *page, char **start, off_t off, int count, int *eof,
 278           void *data)
 279 {
 280         int i = 0;
 281         int len = 0;
 282         char *p;
 283         char tmpser[16];
 284         diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 285         PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 286
 287         len +=
 288             sprintf(page + len, "Name        : %s\n",
 289                     IoAdapter->Properties.Name);
 290         len += sprintf(page + len, "DSP state   : %08x\n", a->dsp_mask);
 291         len += sprintf(page + len, "Channels    : %02d\n",
 292                        IoAdapter->Properties.Channels);
 293         len += sprintf(page + len, "E. max/used : %03d/%03d\n",
 294                        IoAdapter->e_max, IoAdapter->e_count);
 295         diva_get_vserial_number(IoAdapter, tmpser);
 296         len += sprintf(page + len, "Serial      : %s\n", tmpser);
 297         len +=
 298             sprintf(page + len, "IRQ         : %d\n",
 299                     IoAdapter->irq_info.irq_nr);
 300         len += sprintf(page + len, "CardIndex   : %d\n", a->CardIndex);
 301         len += sprintf(page + len, "CardOrdinal : %d\n", a->CardOrdinal);
 302         len += sprintf(page + len, "Controller  : %d\n", a->controller);
 303         len += sprintf(page + len, "Bus-Type    : %s\n",
 304                        (a->Bus ==
 305                         DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
 306         len += sprintf(page + len, "Port-Name   : %s\n", a->port_name);
 307         if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
 308                 len +=
 309                     sprintf(page + len, "PCI-bus     : %d\n",
 310                             a->resources.pci.bus);
 311                 len +=
 312                     sprintf(page + len, "PCI-func    : %d\n",
 313                             a->resources.pci.func);
 314                 for (i = 0; i < 8; i++) {
 315                         if (a->resources.pci.bar[i]) {
 316                                 len +=
 317                                     sprintf(page + len,
 318                                             "Mem / I/O %d : 0x%x / mapped : 0x%lx",
 319                                             i, a->resources.pci.bar[i],
 320                                             (unsigned long) a->resources.
 321                                             pci.addr[i]);
 322                                 if (a->resources.pci.length[i]) {
 323                                         len +=
 324                                             sprintf(page + len,
 325                                                     " / length : %d",
 326                                                     a->resources.pci.
 327                                                     length[i]);
 328                                 }
 329                                 len += sprintf(page + len, "\n");
 330                         }
 331                 }
 332         }
 333         if ((!a->xdi_adapter.port) &&
 334             ((!a->xdi_adapter.ram) ||
 335             (!a->xdi_adapter.reset)
 336              || (!a->xdi_adapter.cfg))) {
 337                 if (!IoAdapter->irq_info.irq_nr) {
 338                         p = "slave";
 339                 } else {
 340                         p = "out of service";
 341                 }
 342         } else if (a->xdi_adapter.trapped) {
 343                 p = "trapped";
 344         } else if (a->xdi_adapter.Initialized) {
 345                 p = "active";
 346         } else {
 347                 p = "ready";
 348         }
 349         len += sprintf(page + len, "State       : %s\n", p);
 350
 351         if (off + count >= len)
 352                 *eof = 1;
 353         if (len < off)
 354                 return 0;
 355         *start = page + off;
 356         return ((count < len - off) ? count : len - off);
 357 }
 358
 359 /*
 360 ** adapter proc init/de-init
 361 */
 362
 363 /* --------------------------------------------------------------------------
 364     Create adapter directory and files in proc file system
 365    -------------------------------------------------------------------------- */
 366 int create_adapter_proc(diva_os_xdi_adapter_t * a)
 367 {
 368         struct proc_dir_entry *de, *pe;
 369         char tmp[16];
 370
 371         sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
 372         if (!(de = create_proc_entry(tmp, S_IFDIR, proc_net_eicon)))
 373                 return (0);
 374         a->proc_adapter_dir = (void *) de;
 375
 376         if (!(pe =
 377              create_proc_entry(info_proc_name, S_IFREG | S_IRUGO | S_IWUSR, de)))
 378                 return (0);
 379         a->proc_info = (void *) pe;
 380         pe->write_proc = info_write;
 381         pe->read_proc = info_read;
 382         pe->data = a;
 383
 384         if ((pe = create_proc_entry(grp_opt_proc_name,
 385                                S_IFREG | S_IRUGO | S_IWUSR, de))) {
 386                 a->proc_grp_opt = (void *) pe;
 387                 pe->write_proc = write_grp_opt;
 388                 pe->read_proc = read_grp_opt;
 389                 pe->data = a;
 390         }
 391         if ((pe = create_proc_entry(d_l1_down_proc_name,
 392                                S_IFREG | S_IRUGO | S_IWUSR, de))) {
 393                 a->proc_d_l1_down = (void *) pe;
 394                 pe->write_proc = write_d_l1_down;
 395                 pe->read_proc = read_d_l1_down;
 396                 pe->data = a;
 397         }
 398
 399         DBG_TRC(("proc entry %s created", tmp));
 400
 401         return (1);
 402 }
 403
 404 /* --------------------------------------------------------------------------
 405     Remove adapter directory and files in proc file system
 406    -------------------------------------------------------------------------- */
 407 void remove_adapter_proc(diva_os_xdi_adapter_t * a)
 408 {
 409         char tmp[16];
 410
 411         if (a->proc_adapter_dir) {
 412                 if (a->proc_d_l1_down) {
 413                         remove_proc_entry(d_l1_down_proc_name,
 414                                           (struct proc_dir_entry *) a->proc_adapter_dir);
 415                 }
 416                 if (a->proc_grp_opt) {
 417                         remove_proc_entry(grp_opt_proc_name,
 418                                           (struct proc_dir_entry *) a->proc_adapter_dir);
 419                 }
 420                 if (a->proc_info) {
 421                         remove_proc_entry(info_proc_name,
 422                                           (struct proc_dir_entry *) a->proc_adapter_dir);
 423                 }
 424                 sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
 425                 remove_proc_entry(tmp, proc_net_eicon);
 426                 DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
 427                          a->controller));
 428         }
 429 }