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Initial commit
[wrt350n-kernel.git] / drivers / isdn / hardware / eicon / divasproc.c
blob0632a260699858cf7bc7a3036d366b34d888eed5
1 /* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 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/module.h>
14 #include <linux/kernel.h>
15 #include <linux/poll.h>
16 #include <linux/proc_fs.h>
17 #include <linux/list.h>
18 #include <asm/uaccess.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 __user *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
67 divas_get_version(tmpbuf);
68 if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
69 return -EFAULT;
70 len += strlen(tmpbuf);
71
72 for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
73 if (IoAdapters[cadapter]) {
74 diva_get_vserial_number(IoAdapters[cadapter],
75 tmpser);
76 sprintf(tmpbuf,
77 "%2d: %-30s Serial:%-10s IRQ:%2d\n",
78 cadapter + 1,
79 IoAdapters[cadapter]->Properties.Name,
80 tmpser,
81 IoAdapters[cadapter]->irq_info.irq_nr);
82 if ((strlen(tmpbuf) + len) > count)
83 break;
84 if (copy_to_user
85 (buf + len, &tmpbuf,
86 strlen(tmpbuf))) return -EFAULT;
87 len += strlen(tmpbuf);
88 }
89 }
90
91 *off += len;
92 return (len);
93 }
94
95 static ssize_t
96 divas_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
97 {
98 return (-ENODEV);
99 }
100
101 static unsigned int divas_poll(struct file *file, poll_table * wait)
102 {
103 return (POLLERR);
104 }
105
106 static int divas_open(struct inode *inode, struct file *file)
107 {
108 return nonseekable_open(inode, file);
109 }
110
111 static int divas_close(struct inode *inode, struct file *file)
112 {
113 return (0);
114 }
115
116 static const struct file_operations divas_fops = {
117 .owner = THIS_MODULE,
118 .llseek = no_llseek,
119 .read = divas_read,
120 .write = divas_write,
121 .poll = divas_poll,
122 .open = divas_open,
123 .release = divas_close
124 };
125
126 int create_divas_proc(void)
127 {
128 divas_proc_entry = create_proc_entry(divas_proc_name,
129 S_IFREG | S_IRUGO,
130 proc_net_eicon);
131 if (!divas_proc_entry)
132 return (0);
133
134 divas_proc_entry->proc_fops = &divas_fops;
135 divas_proc_entry->owner = THIS_MODULE;
136
137 return (1);
138 }
139
140 void remove_divas_proc(void)
141 {
142 if (divas_proc_entry) {
143 remove_proc_entry(divas_proc_name, proc_net_eicon);
144 divas_proc_entry = NULL;
145 }
146 }
147
148 /*
149 ** write group_optimization
150 */
151 static int
152 write_grp_opt(struct file *file, const char __user *buffer, unsigned long count,
153 void *data)
154 {
155 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
156 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
157
158 if ((count == 1) || (count == 2)) {
159 char c;
160 if (get_user(c, buffer))
161 return -EFAULT;
162 switch (c) {
163 case '0':
164 IoAdapter->capi_cfg.cfg_1 &=
165 ~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
166 break;
167 case '1':
168 IoAdapter->capi_cfg.cfg_1 |=
169 DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
170 break;
171 default:
172 return (-EINVAL);
173 }
174 return (count);
175 }
176 return (-EINVAL);
177 }
178
179 /*
180 ** write dynamic_l1_down
181 */
182 static int
183 write_d_l1_down(struct file *file, const char __user *buffer, unsigned long count,
184 void *data)
185 {
186 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
187 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
188
189 if ((count == 1) || (count == 2)) {
190 char c;
191 if (get_user(c, buffer))
192 return -EFAULT;
193 switch (c) {
194 case '0':
195 IoAdapter->capi_cfg.cfg_1 &=
196 ~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
197 break;
198 case '1':
199 IoAdapter->capi_cfg.cfg_1 |=
200 DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
201 break;
202 default:
203 return (-EINVAL);
204 }
205 return (count);
206 }
207 return (-EINVAL);
208 }
209
210
211 /*
212 ** read dynamic_l1_down
213 */
214 static int
215 read_d_l1_down(char *page, char **start, off_t off, int count, int *eof,
216 void *data)
217 {
218 int len = 0;
219 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
220 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
221
222 len += sprintf(page + len, "%s\n",
223 (IoAdapter->capi_cfg.
224 cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
225 "0");
226
227 if (off + count >= len)
228 *eof = 1;
229 if (len < off)
230 return 0;
231 *start = page + off;
232 return ((count < len - off) ? count : len - off);
233 }
234
235 /*
236 ** read group_optimization
237 */
238 static int
239 read_grp_opt(char *page, char **start, off_t off, int count, int *eof,
240 void *data)
241 {
242 int len = 0;
243 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
244 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
245
246 len += sprintf(page + len, "%s\n",
247 (IoAdapter->capi_cfg.
248 cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
249 ? "1" : "0");
250
251 if (off + count >= len)
252 *eof = 1;
253 if (len < off)
254 return 0;
255 *start = page + off;
256 return ((count < len - off) ? count : len - off);
257 }
258
259 /*
260 ** info write
261 */
262 static int
263 info_write(struct file *file, const char __user *buffer, unsigned long count,
264 void *data)
265 {
266 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
267 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
268 char c[4];
269
270 if (count <= 4)
271 return -EINVAL;
272
273 if (copy_from_user(c, buffer, 4))
274 return -EFAULT;
275
276 /* this is for test purposes only */
277 if (!memcmp(c, "trap", 4)) {
278 (*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
279 return (count);
280 }
281 return (-EINVAL);
282 }
283
284 /*
285 ** info read
286 */
287 static int
288 info_read(char *page, char **start, off_t off, int count, int *eof,
289 void *data)
290 {
291 int i = 0;
292 int len = 0;
293 char *p;
294 char tmpser[16];
295 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
296 PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
297
298 len +=
299 sprintf(page + len, "Name : %s\n",
300 IoAdapter->Properties.Name);
301 len += sprintf(page + len, "DSP state : %08x\n", a->dsp_mask);
302 len += sprintf(page + len, "Channels : %02d\n",
303 IoAdapter->Properties.Channels);
304 len += sprintf(page + len, "E. max/used : %03d/%03d\n",
305 IoAdapter->e_max, IoAdapter->e_count);
306 diva_get_vserial_number(IoAdapter, tmpser);
307 len += sprintf(page + len, "Serial : %s\n", tmpser);
308 len +=
309 sprintf(page + len, "IRQ : %d\n",
310 IoAdapter->irq_info.irq_nr);
311 len += sprintf(page + len, "CardIndex : %d\n", a->CardIndex);
312 len += sprintf(page + len, "CardOrdinal : %d\n", a->CardOrdinal);
313 len += sprintf(page + len, "Controller : %d\n", a->controller);
314 len += sprintf(page + len, "Bus-Type : %s\n",
315 (a->Bus ==
316 DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
317 len += sprintf(page + len, "Port-Name : %s\n", a->port_name);
318 if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
319 len +=
320 sprintf(page + len, "PCI-bus : %d\n",
321 a->resources.pci.bus);
322 len +=
323 sprintf(page + len, "PCI-func : %d\n",
324 a->resources.pci.func);
325 for (i = 0; i < 8; i++) {
326 if (a->resources.pci.bar[i]) {
327 len +=
328 sprintf(page + len,
329 "Mem / I/O %d : 0x%x / mapped : 0x%lx",
330 i, a->resources.pci.bar[i],
331 (unsigned long) a->resources.
332 pci.addr[i]);
333 if (a->resources.pci.length[i]) {
334 len +=
335 sprintf(page + len,
336 " / length : %d",
337 a->resources.pci.
338 length[i]);
339 }
340 len += sprintf(page + len, "\n");
341 }
342 }
343 }
344 if ((!a->xdi_adapter.port) &&
345 ((!a->xdi_adapter.ram) ||
346 (!a->xdi_adapter.reset)
347 || (!a->xdi_adapter.cfg))) {
348 if (!IoAdapter->irq_info.irq_nr) {
349 p = "slave";
350 } else {
351 p = "out of service";
352 }
353 } else if (a->xdi_adapter.trapped) {
354 p = "trapped";
355 } else if (a->xdi_adapter.Initialized) {
356 p = "active";
357 } else {
358 p = "ready";
359 }
360 len += sprintf(page + len, "State : %s\n", p);
361
362 if (off + count >= len)
363 *eof = 1;
364 if (len < off)
365 return 0;
366 *start = page + off;
367 return ((count < len - off) ? count : len - off);
368 }
369
370 /*
371 ** adapter proc init/de-init
372 */
373
374 /* --------------------------------------------------------------------------
375 Create adapter directory and files in proc file system
376 -------------------------------------------------------------------------- */
377 int create_adapter_proc(diva_os_xdi_adapter_t * a)
378 {
379 struct proc_dir_entry *de, *pe;
380 char tmp[16];
381
382 sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
383 if (!(de = proc_mkdir(tmp, proc_net_eicon)))
384 return (0);
385 a->proc_adapter_dir = (void *) de;
386
387 if (!(pe =
388 create_proc_entry(info_proc_name, S_IFREG | S_IRUGO | S_IWUSR, de)))
389 return (0);
390 a->proc_info = (void *) pe;
391 pe->write_proc = info_write;
392 pe->read_proc = info_read;
393 pe->data = a;
394
395 if ((pe = create_proc_entry(grp_opt_proc_name,
396 S_IFREG | S_IRUGO | S_IWUSR, de))) {
397 a->proc_grp_opt = (void *) pe;
398 pe->write_proc = write_grp_opt;
399 pe->read_proc = read_grp_opt;
400 pe->data = a;
401 }
402 if ((pe = create_proc_entry(d_l1_down_proc_name,
403 S_IFREG | S_IRUGO | S_IWUSR, de))) {
404 a->proc_d_l1_down = (void *) pe;
405 pe->write_proc = write_d_l1_down;
406 pe->read_proc = read_d_l1_down;
407 pe->data = a;
408 }
409
410 DBG_TRC(("proc entry %s created", tmp));
411
412 return (1);
413 }
414
415 /* --------------------------------------------------------------------------
416 Remove adapter directory and files in proc file system
417 -------------------------------------------------------------------------- */
418 void remove_adapter_proc(diva_os_xdi_adapter_t * a)
419 {
420 char tmp[16];
421
422 if (a->proc_adapter_dir) {
423 if (a->proc_d_l1_down) {
424 remove_proc_entry(d_l1_down_proc_name,
425 (struct proc_dir_entry *) a->proc_adapter_dir);
426 }
427 if (a->proc_grp_opt) {
428 remove_proc_entry(grp_opt_proc_name,
429 (struct proc_dir_entry *) a->proc_adapter_dir);
430 }
431 if (a->proc_info) {
432 remove_proc_entry(info_proc_name,
433 (struct proc_dir_entry *) a->proc_adapter_dir);
434 }
435 sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
436 remove_proc_entry(tmp, proc_net_eicon);
437 DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
438 a->controller));
439 }
440 }
WRT350N Kernel Patches