#define PRISM2_PCCARD #include <linux/module.h> #include <linux/init.h> #include <linux/if.h> #include <linux/slab.h> #include <linux/wait.h> #include <linux/timer.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/workqueue.h> #include <linux/wireless.h> #include <net/iw_handler.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> #include <asm/io.h> #include "hostap_wlan.h" static char *dev_info = "hostap_cs"; MODULE_AUTHOR("Jouni Malinen"); MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " "cards (PC Card)."); MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)"); MODULE_LICENSE("GPL"); static int ignore_cis_vcc; module_param(ignore_cis_vcc, int, 0444); MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry"); /* struct local_info::hw_priv */ struct hostap_cs_priv { struct pcmcia_device *link; int sandisk_connectplus; }; #ifdef PRISM2_IO_DEBUG static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); outb(v, dev->base_addr + a); spin_unlock_irqrestore(&local->lock, flags); } static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; u8 v; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); v = inb(dev->base_addr + a); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); spin_unlock_irqrestore(&local->lock, flags); return v; } static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); outw(v, dev->base_addr + a); spin_unlock_irqrestore(&local->lock, flags); } static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; u16 v; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); v = inw(dev->base_addr + a); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); spin_unlock_irqrestore(&local->lock, flags); return v; } static inline void hfa384x_outsw_debug(struct net_device *dev, int a, u8 *buf, int wc) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc); outsw(dev->base_addr + a, buf, wc); spin_unlock_irqrestore(&local->lock, flags); } static inline void hfa384x_insw_debug(struct net_device *dev, int a, u8 *buf, int wc) { struct hostap_interface *iface; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc); insw(dev->base_addr + a, buf, wc); spin_unlock_irqrestore(&local->lock, flags); } #define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) #define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) #define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) #define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) #define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc)) #define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc)) #else /* PRISM2_IO_DEBUG */ #define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a)) #define HFA384X_INB(a) inb(dev->base_addr + (a)) #define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a)) #define HFA384X_INW(a) inw(dev->base_addr + (a)) #define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc) #define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc) #endif /* PRISM2_IO_DEBUG */ static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, int len) { u16 d_off; u16 *pos; d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; pos = (u16 *) buf; if (len / 2) HFA384X_INSW(d_off, buf, len / 2); pos += len / 2; if (len & 1) *((char *) pos) = HFA384X_INB(d_off); return 0; } static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) { u16 d_off; u16 *pos; d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; pos = (u16 *) buf; if (len / 2) HFA384X_OUTSW(d_off, buf, len / 2); pos += len / 2; if (len & 1) HFA384X_OUTB(*((char *) pos), d_off); return 0; } /* FIX: This might change at some point.. */ #include "hostap_hw.c" static void prism2_detach(struct pcmcia_device *p_dev); static void prism2_release(u_long arg); static int prism2_config(struct pcmcia_device *link); static int prism2_pccard_card_present(local_info_t *local) { struct hostap_cs_priv *hw_priv = local->hw_priv; if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link)) return 1; return 0; } /* * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0 * Document No. 20-10-00058, January 2004 * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf */ #define SANDISK_WLAN_ACTIVATION_OFF 0x40 #define SANDISK_HCR_OFF 0x42 static void sandisk_set_iobase(local_info_t *local) { int res; struct hostap_cs_priv *hw_priv = local->hw_priv; res = pcmcia_write_config_byte(hw_priv->link, 0x10, hw_priv->link->resource[0]->start & 0x00ff); if (res != 0) { printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -" " res=%d\n", res); } udelay(10); res = pcmcia_write_config_byte(hw_priv->link, 0x12, (hw_priv->link->resource[0]->start >> 8) & 0x00ff); if (res != 0) { printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -" " res=%d\n", res); } } static void sandisk_write_hcr(local_info_t *local, int hcr) { struct net_device *dev = local->dev; int i; HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF); udelay(50); for (i = 0; i < 10; i++) { HFA384X_OUTB(hcr, SANDISK_HCR_OFF); } udelay(55); HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF); } static int sandisk_enable_wireless(struct net_device *dev) { int res, ret = 0; struct hostap_interface *iface = netdev_priv(dev); local_info_t *local = iface->local; struct hostap_cs_priv *hw_priv = local->hw_priv; if (resource_size(hw_priv->link->resource[0]) < 0x42) { /* Not enough ports to be SanDisk multi-function card */ ret = -ENODEV; goto done; } if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) { /* No SanDisk manfid found */ ret = -ENODEV; goto done; } if (hw_priv->link->socket->functions < 2) { /* No multi-function links found */ ret = -ENODEV; goto done; } printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected" " - using vendor-specific initialization\n", dev->name); hw_priv->sandisk_connectplus = 1; res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, COR_SOFT_RESET); if (res != 0) { printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", dev->name, res); goto done; } mdelay(5); /* * Do not enable interrupts here to avoid some bogus events. Interrupts * will be enabled during the first cor_sreset call. */ res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, (COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | COR_FUNC_ENA)); if (res != 0) { printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", dev->name, res); goto done; } mdelay(5); sandisk_set_iobase(local); HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF); udelay(10); HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF); udelay(10); done: return ret; } static void prism2_pccard_cor_sreset(local_info_t *local) { int res; u8 val; struct hostap_cs_priv *hw_priv = local->hw_priv; if (!prism2_pccard_card_present(local)) return; res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n", res); return; } printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n", val); val |= COR_SOFT_RESET; res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n", res); return; } mdelay(hw_priv->sandisk_connectplus ? 5 : 2); val &= ~COR_SOFT_RESET; if (hw_priv->sandisk_connectplus) val |= COR_IREQ_ENA; res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n", res); return; } mdelay(hw_priv->sandisk_connectplus ? 5 : 2); if (hw_priv->sandisk_connectplus) sandisk_set_iobase(local); } static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) { int res; u8 old_cor; struct hostap_cs_priv *hw_priv = local->hw_priv; if (!prism2_pccard_card_present(local)) return; if (hw_priv->sandisk_connectplus) { sandisk_write_hcr(local, hcr); return; } res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 " "(%d)\n", res); return; } printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n", old_cor); res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, old_cor | COR_SOFT_RESET); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 " "(%d)\n", res); return; } mdelay(10); /* Setup Genesis mode */ res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 " "(%d)\n", res); return; } mdelay(10); res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, old_cor & ~COR_SOFT_RESET); if (res != 0) { printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 " "(%d)\n", res); return; } mdelay(10); } static struct prism2_helper_functions prism2_pccard_funcs = { .card_present = prism2_pccard_card_present, .cor_sreset = prism2_pccard_cor_sreset, .genesis_reset = prism2_pccard_genesis_reset, .hw_type = HOSTAP_HW_PCCARD, }; /* allocate local data and register with CardServices * initialize dev_link structure, but do not configure the card yet */ static int hostap_cs_probe(struct pcmcia_device *p_dev) { int ret; PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info); ret = prism2_config(p_dev); if (ret) { PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); } return ret; } static void prism2_detach(struct pcmcia_device *link) { PDEBUG(DEBUG_FLOW, "prism2_detach\n"); prism2_release((u_long)link); /* release net devices */ if (link->priv) { struct hostap_cs_priv *hw_priv; struct net_device *dev; struct hostap_interface *iface; dev = link->priv; iface = netdev_priv(dev); hw_priv = iface->local->hw_priv; prism2_free_local_data(dev); kfree(hw_priv); } } static int prism2_config_check(struct pcmcia_device *p_dev, void *priv_data) { if (p_dev->config_index == 0) return -EINVAL; return pcmcia_request_io(p_dev); } static int prism2_config(struct pcmcia_device *link) { struct net_device *dev; struct hostap_interface *iface; local_info_t *local; int ret = 1; struct hostap_cs_priv *hw_priv; unsigned long flags; PDEBUG(DEBUG_FLOW, "prism2_config()\n"); hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); if (hw_priv == NULL) { ret = -ENOMEM; goto failed; } /* Look for an appropriate configuration table entry in the CIS */ link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ; if (ignore_cis_vcc) link->config_flags &= ~CONF_AUTO_CHECK_VCC; ret = pcmcia_loop_config(link, prism2_config_check, NULL); if (ret) { if (!ignore_cis_vcc) printk(KERN_ERR "GetNextTuple(): No matching " "CIS configuration. Maybe you need the " "ignore_cis_vcc=1 parameter.\n"); goto failed; } /* Need to allocate net_device before requesting IRQ handler */ dev = prism2_init_local_data(&prism2_pccard_funcs, 0, &link->dev); if (dev == NULL) goto failed; link->priv = dev; iface = netdev_priv(dev); local = iface->local; local->hw_priv = hw_priv; hw_priv->link = link; /* * We enable IRQ here, but IRQ handler will not proceed * until dev->base_addr is set below. This protect us from * receive interrupts when driver is not initialized. */ ret = pcmcia_request_irq(link, prism2_interrupt); if (ret) goto failed; ret = pcmcia_enable_device(link); if (ret) goto failed; spin_lock_irqsave(&local->irq_init_lock, flags); dev->irq = link->irq; dev->base_addr = link->resource[0]->start; spin_unlock_irqrestore(&local->irq_init_lock, flags); local->shutdown = 0; sandisk_enable_wireless(dev); ret = prism2_hw_config(dev, 1); if (!ret) ret = hostap_hw_ready(dev); return ret; failed: kfree(hw_priv); prism2_release((u_long)link); return ret; } static void prism2_release(u_long arg) { struct pcmcia_device *link = (struct pcmcia_device *)arg; PDEBUG(DEBUG_FLOW, "prism2_release\n"); if (link->priv) { struct net_device *dev = link->priv; struct hostap_interface *iface; iface = netdev_priv(dev); prism2_hw_shutdown(dev, 0); iface->local->shutdown = 1; } pcmcia_disable_device(link); PDEBUG(DEBUG_FLOW, "release - done\n"); } static int hostap_cs_suspend(struct pcmcia_device *link) { struct net_device *dev = (struct net_device *) link->priv; int dev_open = 0; struct hostap_interface *iface = NULL; if (!dev) return -ENODEV; iface = netdev_priv(dev); PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); if (iface && iface->local) dev_open = iface->local->num_dev_open > 0; if (dev_open) { netif_stop_queue(dev); netif_device_detach(dev); } prism2_suspend(dev); return 0; } static int hostap_cs_resume(struct pcmcia_device *link) { struct net_device *dev = (struct net_device *) link->priv; int dev_open = 0; struct hostap_interface *iface = NULL; if (!dev) return -ENODEV; iface = netdev_priv(dev); PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); if (iface && iface->local) dev_open = iface->local->num_dev_open > 0; prism2_hw_shutdown(dev, 1); prism2_hw_config(dev, dev_open ? 0 : 1); if (dev_open) { netif_device_attach(dev); netif_start_queue(dev); } return 0; } static struct pcmcia_device_id hostap_cs_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301), PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b), PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001), PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), /* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */ PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010), PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002), PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF", 0x2d858104), PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL", 0x74c5e40d), PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil", 0x4b801a17), PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), PCMCIA_DEVICE_PROD_ID123( "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02", 0xe6ec52ce, 0x08649af2, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID123( "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02", 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID123( "Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID123( "SMC", "SMC2632W", "Version 01.02", 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18), PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", 0x54f7c49c, 0x15a75e5b), PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18), PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", 0x0733cc81, 0x0c52f395), PCMCIA_DEVICE_PROD_ID12( "ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), PCMCIA_DEVICE_PROD_ID123( "Pretec", "CompactWLAN Card 802.11b", "2.5", 0x1cadd3e5, 0xe697636c, 0x7a5bfcf1), PCMCIA_DEVICE_PROD_ID123( "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", 0xc7b8df9d, 0x1700d087, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID123( "Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", "Ver. 1.00", 0x5cd01705, 0x4271660f, 0x9d08ee12), PCMCIA_DEVICE_PROD_ID123( "Wireless LAN" , "11Mbps PC Card", "Version 01.02", 0x4b8870ff, 0x70e946d1, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092), PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2), PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b), PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39), PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids); static struct pcmcia_driver hostap_driver = { .name = "hostap_cs", .probe = hostap_cs_probe, .remove = prism2_detach, .owner = THIS_MODULE, .id_table = hostap_cs_ids, .suspend = hostap_cs_suspend, .resume = hostap_cs_resume, }; static int __init init_prism2_pccard(void) { return pcmcia_register_driver(&hostap_driver); } static void __exit exit_prism2_pccard(void) { pcmcia_unregister_driver(&hostap_driver); } module_init(init_prism2_pccard); module_exit(exit_prism2_pccard);