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path: root/drivers/net/wireless/atmel_cs.c
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Diffstat (limited to 'drivers/net/wireless/atmel_cs.c')
-rw-r--r--drivers/net/wireless/atmel_cs.c119
1 files changed, 51 insertions, 68 deletions
diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
index d2388e8d179a..77406245dc7b 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -224,13 +224,58 @@ static int card_present(void *arg)
224 return 0; 224 return 0;
225} 225}
226 226
227static int atmel_config_check(struct pcmcia_device *p_dev,
228 cistpl_cftable_entry_t *cfg,
229 cistpl_cftable_entry_t *dflt,
230 unsigned int vcc,
231 void *priv_data)
232{
233 if (cfg->index == 0)
234 return -ENODEV;
235
236 /* Does this card need audio output? */
237 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
238 p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
239 p_dev->conf.Status = CCSR_AUDIO_ENA;
240 }
241
242 /* Use power settings for Vcc and Vpp if present */
243 /* Note that the CIS values need to be rescaled */
244 if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
245 p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
246 else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
247 p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
248
249 /* Do we need to allocate an interrupt? */
250 if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
251 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
252
253 /* IO window settings */
254 p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
255 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
256 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
257 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
258 if (!(io->flags & CISTPL_IO_8BIT))
259 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
260 if (!(io->flags & CISTPL_IO_16BIT))
261 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
262 p_dev->io.BasePort1 = io->win[0].base;
263 p_dev->io.NumPorts1 = io->win[0].len;
264 if (io->nwin > 1) {
265 p_dev->io.Attributes2 = p_dev->io.Attributes1;
266 p_dev->io.BasePort2 = io->win[1].base;
267 p_dev->io.NumPorts2 = io->win[1].len;
268 }
269 }
270
271 /* This reserves IO space but doesn't actually enable it */
272 return pcmcia_request_io(p_dev, &p_dev->io);
273}
274
227static int atmel_config(struct pcmcia_device *link) 275static int atmel_config(struct pcmcia_device *link)
228{ 276{
229 tuple_t tuple;
230 cisparse_t parse;
231 local_info_t *dev; 277 local_info_t *dev;
232 int last_fn, last_ret; 278 int last_fn, last_ret;
233 u_char buf[64];
234 struct pcmcia_device_id *did; 279 struct pcmcia_device_id *did;
235 280
236 dev = link->priv; 281 dev = link->priv;
@@ -238,11 +283,6 @@ static int atmel_config(struct pcmcia_device *link)
238 283
239 DEBUG(0, "atmel_config(0x%p)\n", link); 284 DEBUG(0, "atmel_config(0x%p)\n", link);
240 285
241 tuple.Attributes = 0;
242 tuple.TupleData = buf;
243 tuple.TupleDataMax = sizeof(buf);
244 tuple.TupleOffset = 0;
245
246 /* 286 /*
247 In this loop, we scan the CIS for configuration table entries, 287 In this loop, we scan the CIS for configuration table entries,
248 each of which describes a valid card configuration, including 288 each of which describes a valid card configuration, including
@@ -255,66 +295,8 @@ static int atmel_config(struct pcmcia_device *link)
255 these things without consulting the CIS, and most client drivers 295 these things without consulting the CIS, and most client drivers
256 will only use the CIS to fill in implementation-defined details. 296 will only use the CIS to fill in implementation-defined details.
257 */ 297 */
258 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 298 if (pcmcia_loop_config(link, atmel_config_check, NULL))
259 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); 299 goto failed;
260 while (1) {
261 cistpl_cftable_entry_t dflt = { 0 };
262 cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
263 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
264 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
265 goto next_entry;
266
267 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
268 if (cfg->index == 0) goto next_entry;
269 link->conf.ConfigIndex = cfg->index;
270
271 /* Does this card need audio output? */
272 if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
273 link->conf.Attributes |= CONF_ENABLE_SPKR;
274 link->conf.Status = CCSR_AUDIO_ENA;
275 }
276
277 /* Use power settings for Vcc and Vpp if present */
278 /* Note that the CIS values need to be rescaled */
279 if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
280 link->conf.Vpp =
281 cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
282 else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
283 link->conf.Vpp =
284 dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
285
286 /* Do we need to allocate an interrupt? */
287 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
288 link->conf.Attributes |= CONF_ENABLE_IRQ;
289
290 /* IO window settings */
291 link->io.NumPorts1 = link->io.NumPorts2 = 0;
292 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
293 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
294 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
295 if (!(io->flags & CISTPL_IO_8BIT))
296 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
297 if (!(io->flags & CISTPL_IO_16BIT))
298 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
299 link->io.BasePort1 = io->win[0].base;
300 link->io.NumPorts1 = io->win[0].len;
301 if (io->nwin > 1) {
302 link->io.Attributes2 = link->io.Attributes1;
303 link->io.BasePort2 = io->win[1].base;
304 link->io.NumPorts2 = io->win[1].len;
305 }
306 }
307
308 /* This reserves IO space but doesn't actually enable it */
309 if (pcmcia_request_io(link, &link->io) != 0)
310 goto next_entry;
311
312 /* If we got this far, we're cool! */
313 break;
314
315 next_entry:
316 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
317 }
318 300
319 /* 301 /*
320 Allocate an interrupt line. Note that this does not assign a 302 Allocate an interrupt line. Note that this does not assign a
@@ -360,6 +342,7 @@ static int atmel_config(struct pcmcia_device *link)
360 342
361 cs_failed: 343 cs_failed:
362 cs_error(link, last_fn, last_ret); 344 cs_error(link, last_fn, last_ret);
345 failed:
363 atmel_release(link); 346 atmel_release(link);
364 return -ENODEV; 347 return -ENODEV;
365} 348}