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path: root/drivers/net/wireless/spectrum_cs.c
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Diffstat (limited to 'drivers/net/wireless/spectrum_cs.c')
-rw-r--r--drivers/net/wireless/spectrum_cs.c162
1 files changed, 69 insertions, 93 deletions
diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c
index 67b26d3c3cd5..b0c71c3be467 100644
--- a/drivers/net/wireless/spectrum_cs.c
+++ b/drivers/net/wireless/spectrum_cs.c
@@ -235,6 +235,70 @@ static void spectrum_cs_detach(struct pcmcia_device *link)
235 * device available to the system. 235 * device available to the system.
236 */ 236 */
237 237
238static int spectrum_cs_config_check(struct pcmcia_device *p_dev,
239 cistpl_cftable_entry_t *cfg,
240 cistpl_cftable_entry_t *dflt,
241 unsigned int vcc,
242 void *priv_data)
243{
244 if (cfg->index == 0)
245 goto next_entry;
246
247 /* Use power settings for Vcc and Vpp if present */
248 /* Note that the CIS values need to be rescaled */
249 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
250 if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
251 DEBUG(2, "spectrum_cs_config: Vcc mismatch (vcc = %d, CIS = %d)\n", vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
252 if (!ignore_cis_vcc)
253 goto next_entry;
254 }
255 } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
256 if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) {
257 DEBUG(2, "spectrum_cs_config: Vcc mismatch (vcc = %d, CIS = %d)\n", vcc, dflt->vcc.param[CISTPL_POWER_VNOM] / 10000);
258 if (!ignore_cis_vcc)
259 goto next_entry;
260 }
261 }
262
263 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
264 p_dev->conf.Vpp =
265 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
266 else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
267 p_dev->conf.Vpp =
268 dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
269
270 /* Do we need to allocate an interrupt? */
271 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
272
273 /* IO window settings */
274 p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
275 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
276 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
277 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
278 if (!(io->flags & CISTPL_IO_8BIT))
279 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
280 if (!(io->flags & CISTPL_IO_16BIT))
281 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
282 p_dev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
283 p_dev->io.BasePort1 = io->win[0].base;
284 p_dev->io.NumPorts1 = io->win[0].len;
285 if (io->nwin > 1) {
286 p_dev->io.Attributes2 = p_dev->io.Attributes1;
287 p_dev->io.BasePort2 = io->win[1].base;
288 p_dev->io.NumPorts2 = io->win[1].len;
289 }
290
291 /* This reserves IO space but doesn't actually enable it */
292 if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
293 goto next_entry;
294 }
295 return 0;
296
297next_entry:
298 pcmcia_disable_device(p_dev);
299 return -ENODEV;
300};
301
238static int 302static int
239spectrum_cs_config(struct pcmcia_device *link) 303spectrum_cs_config(struct pcmcia_device *link)
240{ 304{
@@ -243,16 +307,8 @@ spectrum_cs_config(struct pcmcia_device *link)
243 struct orinoco_pccard *card = priv->card; 307 struct orinoco_pccard *card = priv->card;
244 hermes_t *hw = &priv->hw; 308 hermes_t *hw = &priv->hw;
245 int last_fn, last_ret; 309 int last_fn, last_ret;
246 u_char buf[64];
247 config_info_t conf;
248 tuple_t tuple;
249 cisparse_t parse;
250 void __iomem *mem; 310 void __iomem *mem;
251 311
252 /* Look up the current Vcc */
253 CS_CHECK(GetConfigurationInfo,
254 pcmcia_get_configuration_info(link, &conf));
255
256 /* 312 /*
257 * In this loop, we scan the CIS for configuration table 313 * In this loop, we scan the CIS for configuration table
258 * entries, each of which describes a valid card 314 * entries, each of which describes a valid card
@@ -267,94 +323,14 @@ spectrum_cs_config(struct pcmcia_device *link)
267 * and most client drivers will only use the CIS to fill in 323 * and most client drivers will only use the CIS to fill in
268 * implementation-defined details. 324 * implementation-defined details.
269 */ 325 */
270 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 326 last_ret = pcmcia_loop_config(link, spectrum_cs_config_check, NULL);
271 tuple.Attributes = 0; 327 if (last_ret) {
272 tuple.TupleData = buf; 328 if (!ignore_cis_vcc)
273 tuple.TupleDataMax = sizeof(buf);
274 tuple.TupleOffset = 0;
275 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
276 while (1) {
277 cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
278 cistpl_cftable_entry_t dflt = { .index = 0 };
279
280 if ( (pcmcia_get_tuple_data(link, &tuple) != 0)
281 || (pcmcia_parse_tuple(link, &tuple, &parse) != 0))
282 goto next_entry;
283
284 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
285 dflt = *cfg;
286 if (cfg->index == 0)
287 goto next_entry;
288 link->conf.ConfigIndex = cfg->index;
289
290 /* Use power settings for Vcc and Vpp if present */
291 /* Note that the CIS values need to be rescaled */
292 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
293 if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
294 DEBUG(2, "spectrum_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
295 if (!ignore_cis_vcc)
296 goto next_entry;
297 }
298 } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
299 if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) {
300 DEBUG(2, "spectrum_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
301 if(!ignore_cis_vcc)
302 goto next_entry;
303 }
304 }
305
306 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
307 link->conf.Vpp =
308 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
309 else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
310 link->conf.Vpp =
311 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
312
313 /* Do we need to allocate an interrupt? */
314 link->conf.Attributes |= CONF_ENABLE_IRQ;
315
316 /* IO window settings */
317 link->io.NumPorts1 = link->io.NumPorts2 = 0;
318 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
319 cistpl_io_t *io =
320 (cfg->io.nwin) ? &cfg->io : &dflt.io;
321 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
322 if (!(io->flags & CISTPL_IO_8BIT))
323 link->io.Attributes1 =
324 IO_DATA_PATH_WIDTH_16;
325 if (!(io->flags & CISTPL_IO_16BIT))
326 link->io.Attributes1 =
327 IO_DATA_PATH_WIDTH_8;
328 link->io.IOAddrLines =
329 io->flags & CISTPL_IO_LINES_MASK;
330 link->io.BasePort1 = io->win[0].base;
331 link->io.NumPorts1 = io->win[0].len;
332 if (io->nwin > 1) {
333 link->io.Attributes2 =
334 link->io.Attributes1;
335 link->io.BasePort2 = io->win[1].base;
336 link->io.NumPorts2 = io->win[1].len;
337 }
338
339 /* This reserves IO space but doesn't actually enable it */
340 if (pcmcia_request_io(link, &link->io) != 0)
341 goto next_entry;
342 }
343
344
345 /* If we got this far, we're cool! */
346
347 break;
348
349 next_entry:
350 pcmcia_disable_device(link);
351 last_ret = pcmcia_get_next_tuple(link, &tuple);
352 if (last_ret == CS_NO_MORE_ITEMS) {
353 printk(KERN_ERR PFX "GetNextTuple(): No matching " 329 printk(KERN_ERR PFX "GetNextTuple(): No matching "
354 "CIS configuration. Maybe you need the " 330 "CIS configuration. Maybe you need the "
355 "ignore_cis_vcc=1 parameter.\n"); 331 "ignore_cis_vcc=1 parameter.\n");
356 goto cs_failed; 332 cs_error(link, RequestIO, last_ret);
357 } 333 goto failed;
358 } 334 }
359 335
360 /* 336 /*
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 01:27:48 -0500