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driver core: Convert '/' to '!' in dev_set_name()
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / scripts / mod / file2alias.c
CommitLineData
1da177e4
LT		 1/* Simple code to turn various tables in an ELF file into alias definitions.
2 * This deals with kernel datastructures where they should be
3 * dealt with: in the kernel source.
4 *
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
6 * 2003 Kai Germaschewski
7 *
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 "modpost.h"
14
15/* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
16 * use either stdint.h or inttypes.h for the rest. */
17#if KERNEL_ELFCLASS == ELFCLASS32
18typedef Elf32_Addr kernel_ulong_t;
1d8f430c 19#define BITS_PER_LONG 32
1da177e4
LT		 20#else
21typedef Elf64_Addr kernel_ulong_t;
1d8f430c 22#define BITS_PER_LONG 64
1da177e4
LT		 23#endif
24#ifdef __sun__
25#include <inttypes.h>
26#else
27#include <stdint.h>
28#endif
29
5e655772
JM		 30#include <ctype.h>
31
1da177e4
LT		 32typedef uint32_t __u32;
33typedef uint16_t __u16;
34typedef unsigned char __u8;
35
36/* Big exception to the "don't include kernel headers into userspace, which
62070fa4 37 * even potentially has different endianness and word sizes, since
1da177e4
LT		 38 * we handle those differences explicitly below */
39#include "../../include/linux/mod_devicetable.h"
40
41#define ADD(str, sep, cond, field) \
42do { \
43 strcat(str, sep); \
44 if (cond) \
45 sprintf(str + strlen(str), \
46 sizeof(field) == 1 ? "%02X" : \
47 sizeof(field) == 2 ? "%04X" : \
48 sizeof(field) == 4 ? "%08X" : "", \
49 field); \
50 else \
51 sprintf(str + strlen(str), "*"); \
52} while(0)
53
ac551828
JD		 54/* Always end in a wildcard, for future extension */
55static inline void add_wildcard(char *str)
56{
57 int len = strlen(str);
58
59 if (str[len - 1] != '*')
60 strcat(str + len, "*");
61}
62
4ce6efed 63unsigned int cross_build = 0;
fb33d816
SR		 64/**
65 * Check that sizeof(device_id type) are consistent with size of section
66 * in .o file. If in-consistent then userspace and kernel does not agree
67 * on actual size which is a bug.
e0049825 68 * Also verify that the final entry in the table is all zeros.
4ce6efed 69 * Ignore both checks if build host differ from target host and size differs.
fb33d816 70 **/
e0049825
KC		 71static void device_id_check(const char *modname, const char *device_id,
72 unsigned long size, unsigned long id_size,
73 void *symval)
fb33d816 74{
e0049825
KC		 75 int i;
76
fb33d816 77 if (size % id_size || size < id_size) {
4ce6efed
SR		 78 if (cross_build != 0)
79 return;
fb33d816
SR		 80 fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
81 "of the size of section __mod_%s_device_table=%lu.\n"
82 "Fix definition of struct %s_device_id "
83 "in mod_devicetable.h\n",
84 modname, device_id, id_size, device_id, size, device_id);
85 }
e0049825
KC		 86 /* Verify last one is a terminator */
87 for (i = 0; i < id_size; i++ ) {
88 if (*(uint8_t*)(symval+size-id_size+i)) {
89 fprintf(stderr,"%s: struct %s_device_id is %lu bytes. "
90 "The last of %lu is:\n",
91 modname, device_id, id_size, size / id_size);
92 for (i = 0; i < id_size; i++ )
93 fprintf(stderr,"0x%02x ",
94 *(uint8_t*)(symval+size-id_size+i) );
95 fprintf(stderr,"\n");
96 fatal("%s: struct %s_device_id is not terminated "
97 "with a NULL entry!\n", modname, device_id);
98 }
99 }
fb33d816
SR		 100}
101
b19dcd93
RK		 102/* USB is special because the bcdDevice can be matched against a numeric range */
103/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
104static void do_usb_entry(struct usb_device_id *id,
105 unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
106 unsigned char range_lo, unsigned char range_hi,
107 struct module *mod)
1da177e4 108{
b19dcd93 109 char alias[500];
1da177e4
LT		 110 strcpy(alias, "usb:");
111 ADD(alias, "v", id->match_flags&USB_DEVICE_ID_MATCH_VENDOR,
112 id->idVendor);
113 ADD(alias, "p", id->match_flags&USB_DEVICE_ID_MATCH_PRODUCT,
114 id->idProduct);
b19dcd93
RK		 115
116 strcat(alias, "d");
117 if (bcdDevice_initial_digits)
118 sprintf(alias + strlen(alias), "%0*X",
119 bcdDevice_initial_digits, bcdDevice_initial);
120 if (range_lo == range_hi)
121 sprintf(alias + strlen(alias), "%u", range_lo);
122 else if (range_lo > 0 || range_hi < 9)
123 sprintf(alias + strlen(alias), "[%u-%u]", range_lo, range_hi);
124 if (bcdDevice_initial_digits < (sizeof(id->bcdDevice_lo) * 2 - 1))
125 strcat(alias, "*");
126
1da177e4
LT		 127 ADD(alias, "dc", id->match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS,
128 id->bDeviceClass);
129 ADD(alias, "dsc",
130 id->match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS,
131 id->bDeviceSubClass);
132 ADD(alias, "dp",
133 id->match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL,
134 id->bDeviceProtocol);
135 ADD(alias, "ic",
136 id->match_flags&USB_DEVICE_ID_MATCH_INT_CLASS,
137 id->bInterfaceClass);
138 ADD(alias, "isc",
139 id->match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS,
140 id->bInterfaceSubClass);
141 ADD(alias, "ip",
142 id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
143 id->bInterfaceProtocol);
b19dcd93 144
ac551828 145 add_wildcard(alias);
b19dcd93
RK		 146 buf_printf(&mod->dev_table_buf,
147 "MODULE_ALIAS(\"%s\");\n", alias);
148}
149
150static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
151{
152 unsigned int devlo, devhi;
153 unsigned char chi, clo;
154 int ndigits;
155
156 id->match_flags = TO_NATIVE(id->match_flags);
157 id->idVendor = TO_NATIVE(id->idVendor);
158 id->idProduct = TO_NATIVE(id->idProduct);
159
160 devlo = id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?
161 TO_NATIVE(id->bcdDevice_lo) : 0x0U;
162 devhi = id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI ?
163 TO_NATIVE(id->bcdDevice_hi) : ~0x0U;
164
165 /*
166 * Some modules (visor) have empty slots as placeholder for
167 * run-time specification that results in catch-all alias
168 */
de6f92b9 169 if (!(id->idVendor | id->idProduct | id->bDeviceClass | id->bInterfaceClass))
b19dcd93
RK		 170 return;
171
172 /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
173 for (ndigits = sizeof(id->bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) {
174 clo = devlo & 0xf;
175 chi = devhi & 0xf;
176 if (chi > 9) /* it's bcd not hex */
177 chi = 9;
178 devlo >>= 4;
179 devhi >>= 4;
180
181 if (devlo == devhi || !ndigits) {
182 do_usb_entry(id, devlo, ndigits, clo, chi, mod);
183 break;
184 }
185
186 if (clo > 0)
187 do_usb_entry(id, devlo++, ndigits, clo, 9, mod);
188
189 if (chi < 9)
190 do_usb_entry(id, devhi--, ndigits, 0, chi, mod);
191 }
192}
193
194static void do_usb_table(void *symval, unsigned long size,
195 struct module *mod)
196{
197 unsigned int i;
198 const unsigned long id_size = sizeof(struct usb_device_id);
199
e0049825 200 device_id_check(mod->name, "usb", size, id_size, symval);
fb33d816 201
b19dcd93
RK		 202 /* Leave last one: it's the terminator. */
203 size -= id_size;
204
205 for (i = 0; i < size; i += id_size)
206 do_usb_entry_multi(symval + i, mod);
1da177e4
LT		 207}
208
e8c84f9a
JS		 209/* Looks like: hid:bNvNpN */
210static int do_hid_entry(const char *filename,
211 struct hid_device_id *id, char *alias)
212{
213 id->vendor = TO_NATIVE(id->vendor);
214 id->product = TO_NATIVE(id->product);
215
216 sprintf(alias, "hid:b%04X", id->bus);
217 ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor);
218 ADD(alias, "p", id->product != HID_ANY_ID, id->product);
219
220 return 1;
221}
222
1da177e4
LT		 223/* Looks like: ieee1394:venNmoNspNverN */
224static int do_ieee1394_entry(const char *filename,
225 struct ieee1394_device_id *id, char *alias)
226{
227 id->match_flags = TO_NATIVE(id->match_flags);
228 id->vendor_id = TO_NATIVE(id->vendor_id);
229 id->model_id = TO_NATIVE(id->model_id);
230 id->specifier_id = TO_NATIVE(id->specifier_id);
231 id->version = TO_NATIVE(id->version);
232
233 strcpy(alias, "ieee1394:");
234 ADD(alias, "ven", id->match_flags & IEEE1394_MATCH_VENDOR_ID,
235 id->vendor_id);
236 ADD(alias, "mo", id->match_flags & IEEE1394_MATCH_MODEL_ID,
237 id->model_id);
238 ADD(alias, "sp", id->match_flags & IEEE1394_MATCH_SPECIFIER_ID,
239 id->specifier_id);
240 ADD(alias, "ver", id->match_flags & IEEE1394_MATCH_VERSION,
241 id->version);
242
ac551828 243 add_wildcard(alias);
1da177e4
LT		 244 return 1;
245}
246
247/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
248static int do_pci_entry(const char *filename,
249 struct pci_device_id *id, char *alias)
250{
251 /* Class field can be divided into these three. */
252 unsigned char baseclass, subclass, interface,
253 baseclass_mask, subclass_mask, interface_mask;
254
255 id->vendor = TO_NATIVE(id->vendor);
256 id->device = TO_NATIVE(id->device);
257 id->subvendor = TO_NATIVE(id->subvendor);
258 id->subdevice = TO_NATIVE(id->subdevice);
259 id->class = TO_NATIVE(id->class);
260 id->class_mask = TO_NATIVE(id->class_mask);
261
262 strcpy(alias, "pci:");
263 ADD(alias, "v", id->vendor != PCI_ANY_ID, id->vendor);
264 ADD(alias, "d", id->device != PCI_ANY_ID, id->device);
265 ADD(alias, "sv", id->subvendor != PCI_ANY_ID, id->subvendor);
266 ADD(alias, "sd", id->subdevice != PCI_ANY_ID, id->subdevice);
267
268 baseclass = (id->class) >> 16;
269 baseclass_mask = (id->class_mask) >> 16;
270 subclass = (id->class) >> 8;
271 subclass_mask = (id->class_mask) >> 8;
272 interface = id->class;
273 interface_mask = id->class_mask;
274
275 if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
276 || (subclass_mask != 0 && subclass_mask != 0xFF)
277 || (interface_mask != 0 && interface_mask != 0xFF)) {
cb80514d
SR		 278 warn("Can't handle masks in %s:%04X\n",
279 filename, id->class_mask);
1da177e4
LT		 280 return 0;
281 }
282
283 ADD(alias, "bc", baseclass_mask == 0xFF, baseclass);
284 ADD(alias, "sc", subclass_mask == 0xFF, subclass);
285 ADD(alias, "i", interface_mask == 0xFF, interface);
ac551828 286 add_wildcard(alias);
1da177e4
LT		 287 return 1;
288}
289
62070fa4 290/* looks like: "ccw:tNmNdtNdmN" */
1da177e4
LT		 291static int do_ccw_entry(const char *filename,
292 struct ccw_device_id *id, char *alias)
293{
294 id->match_flags = TO_NATIVE(id->match_flags);
295 id->cu_type = TO_NATIVE(id->cu_type);
296 id->cu_model = TO_NATIVE(id->cu_model);
297 id->dev_type = TO_NATIVE(id->dev_type);
298 id->dev_model = TO_NATIVE(id->dev_model);
299
300 strcpy(alias, "ccw:");
301 ADD(alias, "t", id->match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE,
302 id->cu_type);
303 ADD(alias, "m", id->match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL,
304 id->cu_model);
305 ADD(alias, "dt", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE,
306 id->dev_type);
de1d9c03 307 ADD(alias, "dm", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL,
1da177e4 308 id->dev_model);
ac551828 309 add_wildcard(alias);
1da177e4
LT		 310 return 1;
311}
312
1534c382
MS		 313/* looks like: "ap:tN" */
314static int do_ap_entry(const char *filename,
315 struct ap_device_id *id, char *alias)
316{
ac551828 317 sprintf(alias, "ap:t%02X*", id->dev_type);
1534c382
MS		 318 return 1;
319}
320
7e9db9ea
CH		 321/* looks like: "css:tN" */
322static int do_css_entry(const char *filename,
323 struct css_device_id *id, char *alias)
324{
325 sprintf(alias, "css:t%01X", id->type);
326 return 1;
327}
328
1da177e4
LT		 329/* Looks like: "serio:tyNprNidNexN" */
330static int do_serio_entry(const char *filename,
331 struct serio_device_id *id, char *alias)
332{
333 id->type = TO_NATIVE(id->type);
334 id->proto = TO_NATIVE(id->proto);
335 id->id = TO_NATIVE(id->id);
336 id->extra = TO_NATIVE(id->extra);
337
338 strcpy(alias, "serio:");
339 ADD(alias, "ty", id->type != SERIO_ANY, id->type);
340 ADD(alias, "pr", id->proto != SERIO_ANY, id->proto);
341 ADD(alias, "id", id->id != SERIO_ANY, id->id);
342 ADD(alias, "ex", id->extra != SERIO_ANY, id->extra);
343
ac551828 344 add_wildcard(alias);
1da177e4
LT		 345 return 1;
346}
347
29b71a1c
TR		 348/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
349static int do_acpi_entry(const char *filename,
350 struct acpi_device_id *id, char *alias)
351{
ac551828 352 sprintf(alias, "acpi*:%s:*", id->id);
29b71a1c
TR		 353 return 1;
354}
355
1da177e4 356/* looks like: "pnp:dD" */
22454cb9
KS		 357static void do_pnp_device_entry(void *symval, unsigned long size,
358 struct module *mod)
1da177e4 359{
22454cb9 360 const unsigned long id_size = sizeof(struct pnp_device_id);
5e4c6564
KS		 361 const unsigned int count = (size / id_size)-1;
362 const struct pnp_device_id *devs = symval;
363 unsigned int i;
22454cb9
KS		 364
365 device_id_check(mod->name, "pnp", size, id_size, symval);
366
5e4c6564
KS		 367 for (i = 0; i < count; i++) {
368 const char *id = (char *)devs[i].id;
369
370 buf_printf(&mod->dev_table_buf,
371 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
372 buf_printf(&mod->dev_table_buf,
373 "MODULE_ALIAS(\"acpi*:%s:*\");\n", id);
374 }
1da177e4
LT		 375}
376
0c81eed4
KS		 377/* looks like: "pnp:dD" for every device of the card */
378static void do_pnp_card_entries(void *symval, unsigned long size,
379 struct module *mod)
1da177e4 380{
0c81eed4
KS		 381 const unsigned long id_size = sizeof(struct pnp_card_device_id);
382 const unsigned int count = (size / id_size)-1;
383 const struct pnp_card_device_id *cards = symval;
384 unsigned int i;
1da177e4 385
0c81eed4
KS		 386 device_id_check(mod->name, "pnp", size, id_size, symval);
387
388 for (i = 0; i < count; i++) {
389 unsigned int j;
390 const struct pnp_card_device_id *card = &cards[i];
391
392 for (j = 0; j < PNP_MAX_DEVICES; j++) {
393 const char *id = (char *)card->devs[j].id;
394 int i2, j2;
395 int dup = 0;
396
397 if (!id[0])
398 break;
399
400 /* find duplicate, already added value */
401 for (i2 = 0; i2 < i && !dup; i2++) {
402 const struct pnp_card_device_id *card2 = &cards[i2];
403
404 for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) {
405 const char *id2 = (char *)card2->devs[j2].id;
406
407 if (!id2[0])
408 break;
409
410 if (!strcmp(id, id2)) {
411 dup = 1;
412 break;
413 }
414 }
415 }
416
417 /* add an individual alias for every device entry */
22454cb9 418 if (!dup) {
0c81eed4
KS		 419 buf_printf(&mod->dev_table_buf,
420 "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
22454cb9
KS		 421 buf_printf(&mod->dev_table_buf,
422 "MODULE_ALIAS(\"acpi*:%s:*\");\n", id);
423 }
0c81eed4 424 }
1da177e4 425 }
1da177e4
LT		 426}
427
90829cfe
DB		 428/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
429static int do_pcmcia_entry(const char *filename,
430 struct pcmcia_device_id *id, char *alias)
431{
432 unsigned int i;
433
4fb7edce 434 id->match_flags = TO_NATIVE(id->match_flags);
90829cfe
DB		 435 id->manf_id = TO_NATIVE(id->manf_id);
436 id->card_id = TO_NATIVE(id->card_id);
437 id->func_id = TO_NATIVE(id->func_id);
438 id->function = TO_NATIVE(id->function);
439 id->device_no = TO_NATIVE(id->device_no);
4fb7edce 440
90829cfe
DB		 441 for (i=0; i<4; i++) {
442 id->prod_id_hash[i] = TO_NATIVE(id->prod_id_hash[i]);
443 }
444
445 strcpy(alias, "pcmcia:");
446 ADD(alias, "m", id->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
447 id->manf_id);
448 ADD(alias, "c", id->match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID,
449 id->card_id);
450 ADD(alias, "f", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID,
451 id->func_id);
452 ADD(alias, "fn", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION,
453 id->function);
454 ADD(alias, "pfn", id->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
455 id->device_no);
456 ADD(alias, "pa", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, id->prod_id_hash[0]);
457 ADD(alias, "pb", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, id->prod_id_hash[1]);
458 ADD(alias, "pc", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, id->prod_id_hash[2]);
459 ADD(alias, "pd", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, id->prod_id_hash[3]);
460
ac551828 461 add_wildcard(alias);
90829cfe
DB		 462 return 1;
463}
464
465
466
5e655772
JM		 467static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
468{
d1ab4235 469 int len;
5e655772 470 char *tmp;
d1ab4235 471 len = sprintf (alias, "of:N%sT%s",
5e655772 472 of->name[0] ? of->name : "*",
d1ab4235
SM		 473 of->type[0] ? of->type : "*");
474
475 if (of->compatible[0])
476 sprintf (&alias[len], "%sC%s",
477 of->type[0] ? "*" : "",
478 of->compatible);
5e655772
JM		 479
480 /* Replace all whitespace with underscores */
481 for (tmp = alias; tmp && *tmp; tmp++)
482 if (isspace (*tmp))
483 *tmp = '_';
484
ac551828 485 add_wildcard(alias);
5e655772
JM		 486 return 1;
487}
488
fb120da6
SR		 489static int do_vio_entry(const char *filename, struct vio_device_id *vio,
490 char *alias)
491{
492 char *tmp;
493
494 sprintf(alias, "vio:T%sS%s", vio->type[0] ? vio->type : "*",
495 vio->compat[0] ? vio->compat : "*");
496
497 /* Replace all whitespace with underscores */
498 for (tmp = alias; tmp && *tmp; tmp++)
499 if (isspace (*tmp))
500 *tmp = '_';
501
ac551828 502 add_wildcard(alias);
fb120da6
SR		 503 return 1;
504}
505
1d8f430c
RR		 506#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
507
508static void do_input(char *alias,
509 kernel_ulong_t *arr, unsigned int min, unsigned int max)
510{
511 unsigned int i;
ddc5d341
DT		 512
513 for (i = min; i < max; i++)
e0e92632 514 if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
ddc5d341 515 sprintf(alias + strlen(alias), "%X,*", i);
1d8f430c
RR		 516}
517
518/* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */
519static int do_input_entry(const char *filename, struct input_device_id *id,
520 char *alias)
521{
522 sprintf(alias, "input:");
523
ddc5d341
DT		 524 ADD(alias, "b", id->flags & INPUT_DEVICE_ID_MATCH_BUS, id->bustype);
525 ADD(alias, "v", id->flags & INPUT_DEVICE_ID_MATCH_VENDOR, id->vendor);
526 ADD(alias, "p", id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT, id->product);
527 ADD(alias, "e", id->flags & INPUT_DEVICE_ID_MATCH_VERSION, id->version);
1d8f430c
RR		 528
529 sprintf(alias + strlen(alias), "-e*");
ddc5d341 530 if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT)
dc24f0e7 531 do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX);
1d8f430c 532 sprintf(alias + strlen(alias), "k*");
ddc5d341 533 if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
dc24f0e7
SR		 534 do_input(alias, id->keybit,
535 INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
536 INPUT_DEVICE_ID_KEY_MAX);
1d8f430c 537 sprintf(alias + strlen(alias), "r*");
ddc5d341 538 if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT)
dc24f0e7 539 do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX);
1d8f430c 540 sprintf(alias + strlen(alias), "a*");
ddc5d341 541 if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
dc24f0e7 542 do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
1d8f430c 543 sprintf(alias + strlen(alias), "m*");
ddc5d341 544 if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT)
dc24f0e7 545 do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
1d8f430c 546 sprintf(alias + strlen(alias), "l*");
ddc5d341 547 if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
dc24f0e7 548 do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
1d8f430c 549 sprintf(alias + strlen(alias), "s*");
ddc5d341 550 if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
dc24f0e7 551 do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
1d8f430c 552 sprintf(alias + strlen(alias), "f*");
ddc5d341 553 if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT)
dc24f0e7 554 do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
1d8f430c 555 sprintf(alias + strlen(alias), "w*");
ddc5d341 556 if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT)
dc24f0e7 557 do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
1d8f430c
RR		 558 return 1;
559}
560
07563c71
MT		 561static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa,
562 char *alias)
563{
564 if (eisa->sig[0])
565 sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", eisa->sig);
ac551828
JD		 566 else
567 strcat(alias, "*");
07563c71
MT		 568 return 1;
569}
570
f3cf2673
KM		 571/* Looks like: parisc:tNhvNrevNsvN */
572static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
573 char *alias)
574{
575 id->hw_type = TO_NATIVE(id->hw_type);
576 id->hversion = TO_NATIVE(id->hversion);
577 id->hversion_rev = TO_NATIVE(id->hversion_rev);
578 id->sversion = TO_NATIVE(id->sversion);
579
580 strcpy(alias, "parisc:");
f354ef8a
KM		 581 ADD(alias, "t", id->hw_type != PA_HWTYPE_ANY_ID, id->hw_type);
582 ADD(alias, "hv", id->hversion != PA_HVERSION_ANY_ID, id->hversion);
583 ADD(alias, "rev", id->hversion_rev != PA_HVERSION_REV_ANY_ID, id->hversion_rev);
584 ADD(alias, "sv", id->sversion != PA_SVERSION_ANY_ID, id->sversion);
f3cf2673 585
ac551828 586 add_wildcard(alias);
f3cf2673
KM		 587 return 1;
588}
589
d59b66c7
PO		 590/* Looks like: sdio:cNvNdN. */
591static int do_sdio_entry(const char *filename,
592 struct sdio_device_id *id, char *alias)
593{
594 id->class = TO_NATIVE(id->class);
595 id->vendor = TO_NATIVE(id->vendor);
596 id->device = TO_NATIVE(id->device);
597
598 strcpy(alias, "sdio:");
599 ADD(alias, "c", id->class != (__u8)SDIO_ANY_ID, id->class);
600 ADD(alias, "v", id->vendor != (__u16)SDIO_ANY_ID, id->vendor);
601 ADD(alias, "d", id->device != (__u16)SDIO_ANY_ID, id->device);
ac551828 602 add_wildcard(alias);
038a5008
LT		 603 return 1;
604}
605
61e115a5
MB		 606/* Looks like: ssb:vNidNrevN. */
607static int do_ssb_entry(const char *filename,
608 struct ssb_device_id *id, char *alias)
609{
610 id->vendor = TO_NATIVE(id->vendor);
611 id->coreid = TO_NATIVE(id->coreid);
612 id->revision = TO_NATIVE(id->revision);
d59b66c7 613
61e115a5
MB		 614 strcpy(alias, "ssb:");
615 ADD(alias, "v", id->vendor != SSB_ANY_VENDOR, id->vendor);
616 ADD(alias, "id", id->coreid != SSB_ANY_ID, id->coreid);
617 ADD(alias, "rev", id->revision != SSB_ANY_REV, id->revision);
ac551828 618 add_wildcard(alias);
d59b66c7
PO		 619 return 1;
620}
621
b01d9f28
RR		 622/* Looks like: virtio:dNvN */
623static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
624 char *alias)
625{
626 id->device = TO_NATIVE(id->device);
627 id->vendor = TO_NATIVE(id->vendor);
628
629 strcpy(alias, "virtio:");
630 ADD(alias, "d", 1, id->device);
631 ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor);
632
ac551828 633 add_wildcard(alias);
b01d9f28
RR		 634 return 1;
635}
636
d2653e92
JD		 637/* Looks like: i2c:S */
638static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
639 char *alias)
640{
641 sprintf(alias, I2C_MODULE_PREFIX "%s", id->name);
642
643 return 1;
644}
645
d945b697
DW		 646static const struct dmifield {
647 const char *prefix;
648 int field;
649} dmi_fields[] = {
650 { "bvn", DMI_BIOS_VENDOR },
651 { "bvr", DMI_BIOS_VERSION },
652 { "bd", DMI_BIOS_DATE },
653 { "svn", DMI_SYS_VENDOR },
654 { "pn", DMI_PRODUCT_NAME },
655 { "pvr", DMI_PRODUCT_VERSION },
656 { "rvn", DMI_BOARD_VENDOR },
657 { "rn", DMI_BOARD_NAME },
658 { "rvr", DMI_BOARD_VERSION },
659 { "cvn", DMI_CHASSIS_VENDOR },
660 { "ct", DMI_CHASSIS_TYPE },
661 { "cvr", DMI_CHASSIS_VERSION },
662 { NULL, DMI_NONE }
663};
664
665static void dmi_ascii_filter(char *d, const char *s)
666{
667 /* Filter out characters we don't want to see in the modalias string */
668 for (; *s; s++)
669 if (*s > ' ' && *s < 127 && *s != ':')
670 *(d++) = *s;
671
672 *d = 0;
673}
674
675
676static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
677 char *alias)
678{
679 int i, j;
680
681 sprintf(alias, "dmi*");
682
683 for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) {
684 for (j = 0; j < 4; j++) {
685 if (id->matches[j].slot &&
686 id->matches[j].slot == dmi_fields[i].field) {
687 sprintf(alias + strlen(alias), ":%s*",
688 dmi_fields[i].prefix);
689 dmi_ascii_filter(alias + strlen(alias),
690 id->matches[j].substr);
691 strcat(alias, "*");
692 }
693 }
694 }
695
696 strcat(alias, ":");
697 return 1;
698}
f606ddf4 699/* Ignore any prefix, eg. some architectures prepend _ */
1da177e4
LT		 700static inline int sym_is(const char *symbol, const char *name)
701{
702 const char *match;
703
704 match = strstr(symbol, name);
705 if (!match)
706 return 0;
707 return match[strlen(symbol)] == '\0';
708}
709
710static void do_table(void *symval, unsigned long size,
711 unsigned long id_size,
fb33d816 712 const char *device_id,
1da177e4
LT		 713 void *function,
714 struct module *mod)
715{
716 unsigned int i;
717 char alias[500];
718 int (*do_entry)(const char *, void *entry, char *alias) = function;
719
e0049825 720 device_id_check(mod->name, device_id, size, id_size, symval);
1da177e4
LT		 721 /* Leave last one: it's the terminator. */
722 size -= id_size;
723
724 for (i = 0; i < size; i += id_size) {
725 if (do_entry(mod->name, symval+i, alias)) {
1da177e4
LT		 726 buf_printf(&mod->dev_table_buf,
727 "MODULE_ALIAS(\"%s\");\n", alias);
728 }
729 }
730}
731
732/* Create MODULE_ALIAS() statements.
733 * At this time, we cannot write the actual output C source yet,
734 * so we write into the mod->dev_table_buf buffer. */
735void handle_moddevtable(struct module *mod, struct elf_info *info,
736 Elf_Sym *sym, const char *symname)
737{
738 void *symval;
e0049825 739 char *zeros = NULL;
1da177e4
LT		 740
741 /* We're looking for a section relative symbol */
742 if (!sym->st_shndx || sym->st_shndx >= info->hdr->e_shnum)
743 return;
744
e0049825
KC		 745 /* Handle all-NULL symbols allocated into .bss */
746 if (info->sechdrs[sym->st_shndx].sh_type & SHT_NOBITS) {
747 zeros = calloc(1, sym->st_size);
748 symval = zeros;
749 } else {
750 symval = (void *)info->hdr
751 + info->sechdrs[sym->st_shndx].sh_offset
752 + sym->st_value;
753 }
1da177e4
LT		 754
755 if (sym_is(symname, "__mod_pci_device_table"))
fb33d816
SR		 756 do_table(symval, sym->st_size,
757 sizeof(struct pci_device_id), "pci",
1da177e4
LT		 758 do_pci_entry, mod);
759 else if (sym_is(symname, "__mod_usb_device_table"))
b19dcd93
RK		 760 /* special case to handle bcdDevice ranges */
761 do_usb_table(symval, sym->st_size, mod);
e8c84f9a
JS		 762 else if (sym_is(symname, "__mod_hid_device_table"))
763 do_table(symval, sym->st_size,
764 sizeof(struct hid_device_id), "hid",
765 do_hid_entry, mod);
1da177e4 766 else if (sym_is(symname, "__mod_ieee1394_device_table"))
fb33d816
SR		 767 do_table(symval, sym->st_size,
768 sizeof(struct ieee1394_device_id), "ieee1394",
1da177e4
LT		 769 do_ieee1394_entry, mod);
770 else if (sym_is(symname, "__mod_ccw_device_table"))
fb33d816
SR		 771 do_table(symval, sym->st_size,
772 sizeof(struct ccw_device_id), "ccw",
1da177e4 773 do_ccw_entry, mod);
1534c382
MS		 774 else if (sym_is(symname, "__mod_ap_device_table"))
775 do_table(symval, sym->st_size,
776 sizeof(struct ap_device_id), "ap",
777 do_ap_entry, mod);
7e9db9ea
CH		 778 else if (sym_is(symname, "__mod_css_device_table"))
779 do_table(symval, sym->st_size,
780 sizeof(struct css_device_id), "css",
781 do_css_entry, mod);
1da177e4 782 else if (sym_is(symname, "__mod_serio_device_table"))
fb33d816
SR		 783 do_table(symval, sym->st_size,
784 sizeof(struct serio_device_id), "serio",
1da177e4 785 do_serio_entry, mod);
29b71a1c
TR		 786 else if (sym_is(symname, "__mod_acpi_device_table"))
787 do_table(symval, sym->st_size,
788 sizeof(struct acpi_device_id), "acpi",
789 do_acpi_entry, mod);
1da177e4 790 else if (sym_is(symname, "__mod_pnp_device_table"))
22454cb9 791 do_pnp_device_entry(symval, sym->st_size, mod);
1da177e4 792 else if (sym_is(symname, "__mod_pnp_card_device_table"))
0c81eed4 793 do_pnp_card_entries(symval, sym->st_size, mod);
90829cfe 794 else if (sym_is(symname, "__mod_pcmcia_device_table"))
fb33d816
SR		 795 do_table(symval, sym->st_size,
796 sizeof(struct pcmcia_device_id), "pcmcia",
90829cfe 797 do_pcmcia_entry, mod);
5e655772 798 else if (sym_is(symname, "__mod_of_device_table"))
fb33d816
SR		 799 do_table(symval, sym->st_size,
800 sizeof(struct of_device_id), "of",
5e655772 801 do_of_entry, mod);
fb120da6 802 else if (sym_is(symname, "__mod_vio_device_table"))
fb33d816
SR		 803 do_table(symval, sym->st_size,
804 sizeof(struct vio_device_id), "vio",
fb120da6 805 do_vio_entry, mod);
1d8f430c 806 else if (sym_is(symname, "__mod_input_device_table"))
fb33d816
SR		 807 do_table(symval, sym->st_size,
808 sizeof(struct input_device_id), "input",
1d8f430c 809 do_input_entry, mod);
07563c71
MT		 810 else if (sym_is(symname, "__mod_eisa_device_table"))
811 do_table(symval, sym->st_size,
812 sizeof(struct eisa_device_id), "eisa",
813 do_eisa_entry, mod);
f3cf2673
KM		 814 else if (sym_is(symname, "__mod_parisc_device_table"))
815 do_table(symval, sym->st_size,
816 sizeof(struct parisc_device_id), "parisc",
817 do_parisc_entry, mod);
d59b66c7
PO		 818 else if (sym_is(symname, "__mod_sdio_device_table"))
819 do_table(symval, sym->st_size,
820 sizeof(struct sdio_device_id), "sdio",
821 do_sdio_entry, mod);
61e115a5
MB		 822 else if (sym_is(symname, "__mod_ssb_device_table"))
823 do_table(symval, sym->st_size,
824 sizeof(struct ssb_device_id), "ssb",
825 do_ssb_entry, mod);
b01d9f28
RR		 826 else if (sym_is(symname, "__mod_virtio_device_table"))
827 do_table(symval, sym->st_size,
828 sizeof(struct virtio_device_id), "virtio",
829 do_virtio_entry, mod);
d2653e92
JD		 830 else if (sym_is(symname, "__mod_i2c_device_table"))
831 do_table(symval, sym->st_size,
832 sizeof(struct i2c_device_id), "i2c",
833 do_i2c_entry, mod);
d945b697
DW		 834 else if (sym_is(symname, "__mod_dmi_device_table"))
835 do_table(symval, sym->st_size,
836 sizeof(struct dmi_system_id), "dmi",
837 do_dmi_entry, mod);
e0049825 838 free(zeros);
1da177e4
LT		 839}
840
841/* Now add out buffered information to the generated C source */
842void add_moddevtable(struct buffer *buf, struct module *mod)
843{
844 buf_printf(buf, "\n");
845 buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos);
846 free(mod->dev_table_buf.p);
847}
kernel source for telekom puls (alcatel/mediatek)