3 #include <linux/module.h>
5 #include <linux/slab.h>
6 #include <linux/wait.h>
7 #include <linux/timer.h>
8 #include <linux/skbuff.h>
9 #include <linux/netdevice.h>
10 #include <linux/workqueue.h>
11 #include <linux/wireless.h>
12 #include <net/iw_handler.h>
14 #include <pcmcia/cistpl.h>
15 #include <pcmcia/cisreg.h>
16 #include <pcmcia/ds.h>
20 #include "hostap_wlan.h"
23 static char *dev_info = "hostap_cs";
25 MODULE_AUTHOR("Jouni Malinen");
26 MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
28 MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
29 MODULE_LICENSE("GPL");
32 static int ignore_cis_vcc;
33 module_param(ignore_cis_vcc, int, 0444);
34 MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
37 /* struct local_info::hw_priv */
38 struct hostap_cs_priv {
39 struct pcmcia_device *link;
40 int sandisk_connectplus;
44 #ifdef PRISM2_IO_DEBUG
46 static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
48 struct hostap_interface *iface;
52 iface = netdev_priv(dev);
54 spin_lock_irqsave(&local->lock, flags);
55 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
56 outb(v, dev->base_addr + a);
57 spin_unlock_irqrestore(&local->lock, flags);
60 static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
62 struct hostap_interface *iface;
67 iface = netdev_priv(dev);
69 spin_lock_irqsave(&local->lock, flags);
70 v = inb(dev->base_addr + a);
71 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
72 spin_unlock_irqrestore(&local->lock, flags);
76 static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
78 struct hostap_interface *iface;
82 iface = netdev_priv(dev);
84 spin_lock_irqsave(&local->lock, flags);
85 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
86 outw(v, dev->base_addr + a);
87 spin_unlock_irqrestore(&local->lock, flags);
90 static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
92 struct hostap_interface *iface;
97 iface = netdev_priv(dev);
99 spin_lock_irqsave(&local->lock, flags);
100 v = inw(dev->base_addr + a);
101 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
102 spin_unlock_irqrestore(&local->lock, flags);
106 static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
109 struct hostap_interface *iface;
113 iface = netdev_priv(dev);
114 local = iface->local;
115 spin_lock_irqsave(&local->lock, flags);
116 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
117 outsw(dev->base_addr + a, buf, wc);
118 spin_unlock_irqrestore(&local->lock, flags);
121 static inline void hfa384x_insw_debug(struct net_device *dev, int a,
124 struct hostap_interface *iface;
128 iface = netdev_priv(dev);
129 local = iface->local;
130 spin_lock_irqsave(&local->lock, flags);
131 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
132 insw(dev->base_addr + a, buf, wc);
133 spin_unlock_irqrestore(&local->lock, flags);
136 #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
137 #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
138 #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
139 #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
140 #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
141 #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
143 #else /* PRISM2_IO_DEBUG */
145 #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
146 #define HFA384X_INB(a) inb(dev->base_addr + (a))
147 #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
148 #define HFA384X_INW(a) inw(dev->base_addr + (a))
149 #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
150 #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
152 #endif /* PRISM2_IO_DEBUG */
155 static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
161 d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
165 HFA384X_INSW(d_off, buf, len / 2);
169 *((char *) pos) = HFA384X_INB(d_off);
175 static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
180 d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
184 HFA384X_OUTSW(d_off, buf, len / 2);
188 HFA384X_OUTB(*((char *) pos), d_off);
194 /* FIX: This might change at some point.. */
195 #include "hostap_hw.c"
199 static void prism2_detach(struct pcmcia_device *p_dev);
200 static void prism2_release(u_long arg);
201 static int prism2_config(struct pcmcia_device *link);
204 static int prism2_pccard_card_present(local_info_t *local)
206 struct hostap_cs_priv *hw_priv = local->hw_priv;
207 if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link))
214 * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
215 * Document No. 20-10-00058, January 2004
216 * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
218 #define SANDISK_WLAN_ACTIVATION_OFF 0x40
219 #define SANDISK_HCR_OFF 0x42
222 static void sandisk_set_iobase(local_info_t *local)
225 struct hostap_cs_priv *hw_priv = local->hw_priv;
227 res = pcmcia_write_config_byte(hw_priv->link, 0x10,
228 hw_priv->link->resource[0]->start & 0x00ff);
230 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
235 res = pcmcia_write_config_byte(hw_priv->link, 0x12,
236 (hw_priv->link->resource[0]->start >> 8) & 0x00ff);
238 printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
244 static void sandisk_write_hcr(local_info_t *local, int hcr)
246 struct net_device *dev = local->dev;
249 HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
251 for (i = 0; i < 10; i++) {
252 HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
255 HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
259 static int sandisk_enable_wireless(struct net_device *dev)
262 struct hostap_interface *iface = netdev_priv(dev);
263 local_info_t *local = iface->local;
264 struct hostap_cs_priv *hw_priv = local->hw_priv;
266 if (resource_size(hw_priv->link->resource[0]) < 0x42) {
267 /* Not enough ports to be SanDisk multi-function card */
272 if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) {
273 /* No SanDisk manfid found */
278 if (hw_priv->link->socket->functions < 2) {
279 /* No multi-function links found */
284 printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
285 " - using vendor-specific initialization\n", dev->name);
286 hw_priv->sandisk_connectplus = 1;
288 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
291 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
298 * Do not enable interrupts here to avoid some bogus events. Interrupts
299 * will be enabled during the first cor_sreset call.
301 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
302 (COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE |
305 printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
311 sandisk_set_iobase(local);
313 HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
315 HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
323 static void prism2_pccard_cor_sreset(local_info_t *local)
327 struct hostap_cs_priv *hw_priv = local->hw_priv;
329 if (!prism2_pccard_card_present(local))
332 res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val);
334 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
338 printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
341 val |= COR_SOFT_RESET;
342 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
344 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
349 mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
351 val &= ~COR_SOFT_RESET;
352 if (hw_priv->sandisk_connectplus)
354 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
356 printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
361 mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
363 if (hw_priv->sandisk_connectplus)
364 sandisk_set_iobase(local);
368 static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
372 struct hostap_cs_priv *hw_priv = local->hw_priv;
374 if (!prism2_pccard_card_present(local))
377 if (hw_priv->sandisk_connectplus) {
378 sandisk_write_hcr(local, hcr);
382 res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor);
384 printk(KERN_DEBUG "%s failed 1 (%d)\n", __func__, res);
387 printk(KERN_DEBUG "%s: original COR %02x\n", __func__, old_cor);
389 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
390 old_cor | COR_SOFT_RESET);
392 printk(KERN_DEBUG "%s failed 2 (%d)\n", __func__, res);
398 /* Setup Genesis mode */
399 res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr);
401 printk(KERN_DEBUG "%s failed 3 (%d)\n", __func__, res);
406 res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
407 old_cor & ~COR_SOFT_RESET);
409 printk(KERN_DEBUG "%s failed 4 (%d)\n", __func__, res);
417 static struct prism2_helper_functions prism2_pccard_funcs =
419 .card_present = prism2_pccard_card_present,
420 .cor_sreset = prism2_pccard_cor_sreset,
421 .genesis_reset = prism2_pccard_genesis_reset,
422 .hw_type = HOSTAP_HW_PCCARD,
426 /* allocate local data and register with CardServices
427 * initialize dev_link structure, but do not configure the card yet */
428 static int hostap_cs_probe(struct pcmcia_device *p_dev)
432 PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
434 ret = prism2_config(p_dev);
436 PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
443 static void prism2_detach(struct pcmcia_device *link)
445 PDEBUG(DEBUG_FLOW, "prism2_detach\n");
447 prism2_release((u_long)link);
449 /* release net devices */
451 struct hostap_cs_priv *hw_priv;
452 struct net_device *dev;
453 struct hostap_interface *iface;
455 iface = netdev_priv(dev);
456 hw_priv = iface->local->hw_priv;
457 prism2_free_local_data(dev);
463 static int prism2_config_check(struct pcmcia_device *p_dev, void *priv_data)
465 if (p_dev->config_index == 0)
468 return pcmcia_request_io(p_dev);
471 static int prism2_config(struct pcmcia_device *link)
473 struct net_device *dev;
474 struct hostap_interface *iface;
477 struct hostap_cs_priv *hw_priv;
480 PDEBUG(DEBUG_FLOW, "prism2_config()\n");
482 hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
483 if (hw_priv == NULL) {
488 /* Look for an appropriate configuration table entry in the CIS */
489 link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO |
490 CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
492 link->config_flags &= ~CONF_AUTO_CHECK_VCC;
493 ret = pcmcia_loop_config(link, prism2_config_check, NULL);
496 printk(KERN_ERR "GetNextTuple(): No matching "
497 "CIS configuration. Maybe you need the "
498 "ignore_cis_vcc=1 parameter.\n");
502 /* Need to allocate net_device before requesting IRQ handler */
503 dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
511 iface = netdev_priv(dev);
512 local = iface->local;
513 local->hw_priv = hw_priv;
514 hw_priv->link = link;
517 * We enable IRQ here, but IRQ handler will not proceed
518 * until dev->base_addr is set below. This protect us from
519 * receive interrupts when driver is not initialized.
521 ret = pcmcia_request_irq(link, prism2_interrupt);
525 ret = pcmcia_enable_device(link);
529 spin_lock_irqsave(&local->irq_init_lock, flags);
530 dev->irq = link->irq;
531 dev->base_addr = link->resource[0]->start;
532 spin_unlock_irqrestore(&local->irq_init_lock, flags);
536 sandisk_enable_wireless(dev);
538 ret = prism2_hw_config(dev, 1);
540 ret = hostap_hw_ready(dev);
546 prism2_release((u_long)link);
551 static void prism2_release(u_long arg)
553 struct pcmcia_device *link = (struct pcmcia_device *)arg;
555 PDEBUG(DEBUG_FLOW, "prism2_release\n");
558 struct net_device *dev = link->priv;
559 struct hostap_interface *iface;
561 iface = netdev_priv(dev);
562 prism2_hw_shutdown(dev, 0);
563 iface->local->shutdown = 1;
566 pcmcia_disable_device(link);
567 PDEBUG(DEBUG_FLOW, "release - done\n");
570 static int hostap_cs_suspend(struct pcmcia_device *link)
572 struct net_device *dev = (struct net_device *) link->priv;
574 struct hostap_interface *iface = NULL;
579 iface = netdev_priv(dev);
581 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
582 if (iface && iface->local)
583 dev_open = iface->local->num_dev_open > 0;
585 netif_stop_queue(dev);
586 netif_device_detach(dev);
593 static int hostap_cs_resume(struct pcmcia_device *link)
595 struct net_device *dev = (struct net_device *) link->priv;
597 struct hostap_interface *iface = NULL;
602 iface = netdev_priv(dev);
604 PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
606 if (iface && iface->local)
607 dev_open = iface->local->num_dev_open > 0;
609 prism2_hw_shutdown(dev, 1);
610 prism2_hw_config(dev, dev_open ? 0 : 1);
612 netif_device_attach(dev);
613 netif_start_queue(dev);
619 static const struct pcmcia_device_id hostap_cs_ids[] = {
620 PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
621 PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
622 PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
623 PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
624 PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
625 PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301),
626 PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
627 PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
628 PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
629 PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
630 PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
631 PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
632 PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
633 PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
634 PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
635 /* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */
636 PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002),
637 PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
638 PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
639 PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
640 PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002),
641 PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF",
643 PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
645 PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
647 PCMCIA_DEVICE_MANF_CARD_PROD_ID3(0x0156, 0x0002, "Version 01.02",
649 PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
650 0x7a954bd9, 0x74be00c6),
651 PCMCIA_DEVICE_PROD_ID123(
652 "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
653 0xe6ec52ce, 0x08649af2, 0x4b74baa0),
654 PCMCIA_DEVICE_PROD_ID123(
655 "Canon", "Wireless LAN CF Card K30225", "Version 01.00",
656 0x96ef6fe2, 0x263fcbab, 0xa57adb8c),
657 PCMCIA_DEVICE_PROD_ID123(
658 "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
659 0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
660 PCMCIA_DEVICE_PROD_ID123(
661 "Instant Wireless ", " Network PC CARD", "Version 01.02",
662 0x11d901af, 0x6e9bd926, 0x4b74baa0),
663 PCMCIA_DEVICE_PROD_ID123(
664 "SMC", "SMC2632W", "Version 01.02",
665 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
666 PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
667 0x2decece3, 0x82067c18),
668 PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
669 0x54f7c49c, 0x15a75e5b),
670 PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
671 0x74c5e40d, 0xdb472a18),
672 PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
673 0x0733cc81, 0x0c52f395),
674 PCMCIA_DEVICE_PROD_ID12(
675 "ZoomAir 11Mbps High", "Rate wireless Networking",
676 0x273fe3db, 0x32a1eaee),
677 PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card",
678 0xa37434e9, 0x9762e8f1),
679 PCMCIA_DEVICE_PROD_ID123(
680 "Pretec", "CompactWLAN Card 802.11b", "2.5",
681 0x1cadd3e5, 0xe697636c, 0x7a5bfcf1),
682 PCMCIA_DEVICE_PROD_ID123(
683 "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02",
684 0xc7b8df9d, 0x1700d087, 0x4b74baa0),
685 PCMCIA_DEVICE_PROD_ID123(
686 "Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio",
688 0x5cd01705, 0x4271660f, 0x9d08ee12),
689 PCMCIA_DEVICE_PROD_ID123(
690 "Wireless LAN" , "11Mbps PC Card", "Version 01.02",
691 0x4b8870ff, 0x70e946d1, 0x4b74baa0),
692 PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
693 PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
694 PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
695 PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
698 MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
701 static struct pcmcia_driver hostap_driver = {
703 .probe = hostap_cs_probe,
704 .remove = prism2_detach,
705 .owner = THIS_MODULE,
706 .id_table = hostap_cs_ids,
707 .suspend = hostap_cs_suspend,
708 .resume = hostap_cs_resume,
710 module_pcmcia_driver(hostap_driver);