diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2_cs.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2_cs.c | 1487 |
1 files changed, 1487 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2_cs.c b/drivers/staging/wlan-ng/prism2_cs.c new file mode 100644 index 00000000000..63ce5659f21 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2_cs.c @@ -0,0 +1,1487 @@ +#define WLAN_HOSTIF WLAN_PCMCIA +#include "hfa384x.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,21) ) +#if (WLAN_CPU_FAMILY == WLAN_Ix86) +#ifndef CONFIG_ISA +#warning "You may need to enable ISA support in your kernel." +#endif +#endif +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) +static u_int irq_mask = 0xdeb8; /* Interrupt mask */ +static int irq_list[4] = { -1 }; /* Interrupt list */ +#endif +static u_int prism2_ignorevcc=1; /* Boolean, if set, we + * ignore what the Vcc + * is set to and what the CIS + * says. + */ +module_param( prism2_ignorevcc, int, 0644); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,9)) +static int numlist = 4; +module_param_array(irq_list, int, numlist, 0444); +#else +module_param_array(irq_list, int, NULL, 0444); +#endif +module_param( irq_mask, int, 0644); +#endif + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) +static int prism2_cs_suspend(struct pcmcia_device *pdev); +static int prism2_cs_resume(struct pcmcia_device *pdev); +static void prism2_cs_remove(struct pcmcia_device *pdev); +static int prism2_cs_probe(struct pcmcia_device *pdev); +#else +dev_link_t *prism2sta_attach(void); +static void prism2sta_detach(dev_link_t *link); +static void prism2sta_config(dev_link_t *link); +static void prism2sta_release(u_long arg); +static int prism2sta_event (event_t event, int priority, event_callback_args_t *args); + +static dev_link_t *dev_list = NULL; /* head of instance list */ +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) +/*---------------------------------------------------------------- +* cs_error +* +* Utility function to print card services error messages. +* +* Arguments: +* handle client handle identifying this CS client +* func CS function number that generated the error +* ret CS function return code +* +* Returns: +* nothing +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +static void cs_error(client_handle_t handle, int func, int ret) +{ +#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911)) + CardServices(ReportError, dev_info, (void *)func, (void *)ret); +#else + error_info_t err = { func, ret }; + pcmcia_report_error(handle, &err); +#endif +} +#else // kernel_version + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) +static struct pcmcia_device_id prism2_cs_ids[] = { + PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18), // Intersil PRISM2 Reference Design 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), // Compaq WL100/200 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), // Compaq iPaq HNW-100 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), // Samsung SWL2000-N 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), // Z-Com XI300 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), // ZoomAir 4100 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), // Linksys WPC11 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02", 0xe6ec52ce, 0x8649af2, 0x4b74baa0), // Addtron AWP-100 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02", 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), // D-Link DWL-650 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("SMC", "SMC2632W", "Version 01.02", 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), // SMC 2632W 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID1234("Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P", "Eval-RevA", 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e), // BroMax Freeport 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_PROD_ID123("U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", 0xc7b8df9d, 0x1700d087, 0x4b74baa0), // U.S. Robotics IEEE 802.11b PC-CARD + PCMCIA_DEVICE_PROD_ID12("Digital Data Communications", "WPC-0100", 0xfdd73470, 0xe0b6f146), // Level-One WPC-0100 + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCC-11", 0x5261440f, 0xa6405584), // corega K.K. Wireless LAN PCC-11 + PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9), // corega K.K. Wireless LAN PCCA-11 + PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), // CONTEC FLEXSCAN/FX-DDS110-PCC + PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-NS110", 0x209f40ab, 0x46263178), // PLANEX GeoWave/GW-NS110 + PCMCIA_DEVICE_PROD_ID123("OEM", "PRISM2 IEEE 802.11 PC-Card", "Version 01.02", 0xfea54c90, 0x48f2bdd6, 0x4b74baa0), // Ambicom WL1100 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("LeArtery", "SYNCBYAIR 11Mbps Wireless LAN PC Card", "Version 01.02", 0x7e3b326a, 0x49893e92, 0x4b74baa0), // LeArtery SYNCBYAIR 11Mbps 802.11b WLAN Card +PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), // Intermec MobileLAN 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("NETGEAR MA401 Wireless PC", "Card", "Version 01.00", 0xa37434e9, 0x9762e8f1, 0xa57adb8c), // NETGEAR MA401 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID1234("Intersil", "PRISM Freedom PCMCIA Adapter", "ISL37100P", "Eval-RevA", 0x4b801a17, 0xf222ec2d, 0x630d52b2, 0xc23adc0e), // Intersil PRISM Freedom 11mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID123("OTC", "Wireless AirEZY 2411-PCC WLAN Card", "Version 01.02", 0x4ac44287, 0x235a6bed, 0x4b74baa0), // OTC Wireless AirEZY 2411-PCC 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID1234("802.11", "11Mbps Wireless LAN Card", "v08C1", "" , 0xb67a610e, 0x655aa7b7, 0x264b451a, 0x0), // Dynalink L11HDT 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), // Dynalink L11HDT 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID12("PROXIM", "RangeLAN-DS/LAN PC CARD", 0xc6536a5e, 0x3f35797d), // PROXIM RangeLAN-DS/LAN PC CARD + PCMCIA_DEVICE_PROD_ID1234("ACTIONTEC", "PRISM Wireless LAN PC Card", "0381", "RevA", 0x393089da, 0xa71e69d5, 0x90471fa9, 0x57a66194), // ACTIONTEC PRISM Wireless LAN PC Card + PCMCIA_DEVICE_MANF_CARD(0x1668, 0x0101), // ACTIONTEC PRISM Wireless LAN PC Card + PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3), // 3Com AirConnect 3CRWE737A + PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE777A AirConnect Wireless LAN PCI Card" , 0x41240e5b, 0xafc7c33e), // 3Com AirConnect 3CRWE777A + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842), // ASUS WL-100 802.11b WLAN PC Card + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e), // ASUS WL-110 802.11b WLAN CF Card + PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18), // BUFFALO WLI-CF-S11G 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID1234("The Linksys Group, Inc.", "Wireless Network CF Card", "ISL37300P", "RevA", 0xa5f472c2, 0x9c05598d, 0xc9049a39, 0x57a66194), // Linksys WCF11 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_PROD_ID1234("Linksys", "Wireless CompactFlash Card", "", "", 0x733cc81, 0xc52f395, 0x0, 0x0), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_PROD_ID1234("NETGEAR MA401RA Wireless PC", "Card", "ISL37300P", "Eval-RevA", 0x306467f, 0x9762e8f1, 0xc9049a39, 0xc23adc0e), // NETGEAR MA401RA 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), // D-Link DCF-660W 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), // Microsoft Wireless Notebook Adapter MN-520 + PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), // AnyPoint(TM) Wireless II PC Card + PCMCIA_DEVICE_PROD_ID1234("D", "Link DRC-650 11Mbps WLAN Card", "Version 01.02", "" , 0x71b18589, 0xf144e3ac, 0x4b74baa0, 0x0), // D-Link DRC-650 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), // Adaptec AWN-8030 + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7110), // D-Link DWL-650 rev P 802.11b WLAN card + // PCMCIA_DEVICE_PROD_ID1234("D-Link", "DWL-650 Wireless PC Card RevP", "ISL37101P-10", "A3", 0x1a424a1c, 0x6ea57632, 0xdd97a26b, 0x56b21f52), // D-Link DWL-650 rev P 802.11b WLAN card + PCMCIA_DEVICE_PROD_ID123("INTERSIL", "I-GATE 11M PC Card / PC Card plus", "Version 01.02", 0x74c5e40d, 0x8304ff77, 0x4b74baa0), // I-Gate 11M PC Card + PCMCIA_DEVICE_PROD_ID1234("BENQ", "AWL100 PCMCIA ADAPTER", "ISL37300P", "Eval-RevA", 0x35dadc74, 0x1f7fedb, 0xc9049a39, 0xc23adc0e), // benQ AWL100 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), // benQ AWL100 802.11b WLAN Card + // PCMCIA_DEVICE_PROD_ID1("INTERSIL", 0x74c5e40d), // Intersil Prism 2 card + // PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), // Intersil Prism 2 card + + PCMCIA_DEVICE_NULL +}; + +MODULE_DEVICE_TABLE(pcmcia, prism2_cs_ids); +#endif + +static struct pcmcia_driver prism2_cs_driver = { + .drv = { + .name = "prism2_cs", + }, + .owner = THIS_MODULE, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) + .suspend = prism2_cs_suspend, + .resume = prism2_cs_resume, + .remove = prism2_cs_remove, + .probe = prism2_cs_probe, + .id_table = prism2_cs_ids, +#else + .attach = prism2sta_attach, + .detach = prism2sta_detach, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) + .id_table = prism2_cs_ids, + .event = prism2sta_event, +#endif // > 2.6.12 +#endif // <= 2.6.15 +}; +#endif /* kernel_version */ + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(pdev, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +static void prism2_cs_remove(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; +#else + wlandev = link->priv; +#endif + + if (wlandev) { + p80211netdev_hwremoved(wlandev); + unregister_wlandev(wlandev); + wlan_unsetup(wlandev); + if (wlandev->priv) { + hfa384x_t *hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + kfree(wlandev); + } + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->priv = NULL; + pcmcia_disable_device(pdev); +#else + if (link->state & DEV_CONFIG) { + if (link->win) + pcmcia_release_window(link->win); + pcmcia_release_configuration(link->handle); + if (link->io.NumPorts1) + pcmcia_release_io(link->handle, &link->io); + if (link->irq.AssignedIRQ) + pcmcia_release_irq(link->handle, &link->irq); + + link->state &= ~DEV_CONFIG; + } + + link->priv = NULL; + kfree(link); +#endif + + DBFEXIT; + return; +} + +static int prism2_cs_suspend(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); +#else + wlandev = link->priv; + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + pcmcia_release_configuration(link->handle); + } +#endif + + DBFEXIT; + + return 0; +} + +static int prism2_cs_resume(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; + // XXX do something here? +#else + wlandev = link->priv; + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + // XXX do something here? + } +#endif + + + DBFEXIT; + + return 0; +} + +static int prism2_cs_probe(struct pcmcia_device *pdev) +{ + int rval = 0; + struct wlandevice *wlandev = NULL; + hfa384x_t *hw = NULL; + + config_info_t socketconf; + cisparse_t *parse = NULL; + tuple_t tuple; + uint8_t buf[64]; + int last_fn, last_ret; + cistpl_cftable_entry_t dflt = { 0 }; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link; +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + /* Set up interrupt type */ + pdev->conf.IntType = INT_MEMORY_AND_IO; +#else + link = kmalloc(sizeof(dev_link_t), GFP_KERNEL); + if (link == NULL) + return -ENOMEM; + memset(link, 0, sizeof(dev_link_t)); + + link->conf.Vcc = 33; + link->conf.IntType = INT_MEMORY_AND_IO; + + link->handle = pdev; + pdev->instance = link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + +#endif + + // VCC crap? + parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL); + + wlandev = create_wlan(); + if (!wlandev || !parse) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + rval = -EIO; + goto failed; + } + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + rval = -EIO; + goto failed; + } + + /* Initialize the hw struct for now */ + hfa384x_create(hw, 0, 0, NULL); + hw->wlandev = wlandev; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + hw->pdev = pdev; + pdev->priv = wlandev; +#else + hw->link = link; + link->priv = wlandev; +#endif + + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, parse)); +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.ConfigBase = parse->config.base; + pdev->conf.Present = parse->config.rmask[0]; +#else + link->conf.ConfigBase = parse->config.base; + link->conf.Present = parse->config.rmask[0]; + + link->conf.Vcc = socketconf.Vcc; +#endif + CS_CHECK(GetConfigurationInfo, + pcmcia_get_configuration_info(pdev, &socketconf)); + + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); + for (;;) { + cistpl_cftable_entry_t *cfg = &(parse->cftable_entry); + CFG_CHECK(GetTupleData, + pcmcia_get_tuple_data(pdev, &tuple)); + CFG_CHECK(ParseTuple, + pcmcia_parse_tuple(pdev, &tuple, parse)); + + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + if (cfg->index == 0) + goto next_entry; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.ConfigIndex = cfg->index; +#else + link->conf.ConfigIndex = cfg->index; +#endif + + /* Does this card need audio output? */ + if (cfg->flags & CISTPL_CFTABLE_AUDIO) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Attributes |= CONF_ENABLE_SPKR; + pdev->conf.Status = CCSR_AUDIO_ENA; +#else + link->conf.Attributes |= CONF_ENABLE_SPKR; + link->conf.Status = CCSR_AUDIO_ENA; +#endif + } + + /* Use power settings for Vcc and Vpp if present */ + /* Note that the CIS values need to be rescaled */ + if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (socketconf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / + 10000 && !prism2_ignorevcc) { + WLAN_LOG_DEBUG(1, " Vcc mismatch - skipping" + " this entry\n"); + goto next_entry; + } + } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (socketconf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / + 10000 && !prism2_ignorevcc) { + WLAN_LOG_DEBUG(1, " Vcc (default) mismatch " + "- skipping this entry\n"); + goto next_entry; + } + } + + if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Vpp = + cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; +#else + link->conf.Vpp1 = link->conf.Vpp2 = + cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; +#endif + } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Vpp = + dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; +#else + link->conf.Vpp1 = link->conf.Vpp2 = + dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; +#endif + } + + /* Do we need to allocate an interrupt? */ + /* HACK: due to a bad CIS....we ALWAYS need an interrupt */ + /* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Attributes |= CONF_ENABLE_IRQ; +#else + link->conf.Attributes |= CONF_ENABLE_IRQ; +#endif + + /* IO window settings */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->io.NumPorts1 = pdev->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + pdev->io.BasePort1 = io->win[0].base; + if ( pdev->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + pdev->io.BasePort1 ); + pdev->io.BasePort1 = 0; + } + pdev->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + pdev->io.Attributes2 = pdev->io.Attributes1; + pdev->io.BasePort2 = io->win[1].base; + pdev->io.NumPorts2 = io->win[1].len; + } + } + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &pdev->io)); +#else + link->io.NumPorts1 = link->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.BasePort1 = io->win[0].base; + if ( link->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + link->io.BasePort1 ); + link->io.BasePort1 = 0; + } + link->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + link->io.Attributes2 = link->io.Attributes1; + link->io.BasePort2 = io->win[1].base; + link->io.NumPorts2 = io->win[1].len; + } + } + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &link->io)); +#endif + /* If we got this far, we're cool! */ + break; + + next_entry: + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple)); + + } + + /* Let pcmcia know the device name */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->dev_node = &hw->node; +#else + link->dev = &hw->node; +#endif + + /* Register the network device and get assigned a name */ + SET_MODULE_OWNER(wlandev->netdev); + SET_NETDEV_DEV(wlandev->netdev, &handle_to_dev(pdev)); + if (register_wlandev(wlandev) != 0) { + WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n"); + goto failed; + } + + strcpy(hw->node.dev_name, wlandev->name); + + /* Allocate an interrupt line. Note that this does not assign a */ + /* handler to the interrupt, unless the 'Handler' member of the */ + /* irq structure is initialized. */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + if (pdev->conf.Attributes & CONF_ENABLE_IRQ) { + pdev->irq.IRQInfo1 = IRQ_LEVEL_ID; + pdev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + pdev->irq.Handler = hfa384x_interrupt; + pdev->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); + } +#else + if (link->conf.Attributes & CONF_ENABLE_IRQ) { + link->irq.IRQInfo1 = IRQ_LEVEL_ID; + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + link->irq.Handler = hfa384x_interrupt; + link->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &link->irq)); + } +#endif + + /* This actually configures the PCMCIA socket -- setting up */ + /* the I/O windows and the interrupt mapping, and putting the */ + /* card and host interface into "Memory and IO" mode. */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); +#else + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &link->conf)); +#endif + + /* Fill the netdevice with this info */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev->netdev->irq = pdev->irq.AssignedIRQ; + wlandev->netdev->base_addr = pdev->io.BasePort1; +#else + wlandev->netdev->irq = link->irq.AssignedIRQ; + wlandev->netdev->base_addr = link->io.BasePort1; +#endif + + /* And the rest of the hw structure */ + hw->irq = wlandev->netdev->irq; + hw->iobase = wlandev->netdev->base_addr; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + link->state |= DEV_CONFIG; + link->state &= ~DEV_CONFIG_PENDING; +#endif + + /* And now we're done! */ + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + goto done; + + cs_failed: + cs_error(pdev, last_fn, last_ret); + +failed: + // wlandev, hw, etc etc.. +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->priv = NULL; +#else + pdev->instance = NULL; + if (link) { + link->priv = NULL; + kfree(link); + } +#endif + if (wlandev) { + wlan_unsetup(wlandev); + if (wlandev->priv) { + hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + kfree(wlandev); + } + +done: + if (parse) kfree(parse); + + DBFEXIT; + return rval; +} +#else // <= 2.6.15 +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(link->handle, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +/*---------------------------------------------------------------- +* prism2sta_attach +* +* Half of the attach/detach pair. Creates and registers a device +* instance with Card Services. In this case, it also creates the +* wlandev structure and device private structure. These are +* linked to the device instance via its priv member. +* +* Arguments: +* none +* +* Returns: +* A valid ptr to dev_link_t on success, NULL otherwise +* +* Side effects: +* +* +* Call context: +* process thread (insmod/init_module/register_pccard_driver) +----------------------------------------------------------------*/ +dev_link_t *prism2sta_attach(void) +{ + client_reg_t client_reg; + int result; + dev_link_t *link = NULL; + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + + DBFENTER; + + /* Alloc our structures */ + link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); + + if (!link || ((wlandev = create_wlan()) == NULL)) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto failed; + } + hw = wlandev->priv; + + /* Clear all the structs */ + memset(link, 0, sizeof(struct dev_link_t)); + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Initialize the hw struct for now */ + hfa384x_create(hw, 0, 0, NULL); + hw->wlandev = wlandev; + + /* Initialize the PC card device object. */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + init_timer(&link->release); + link->release.function = &prism2sta_release; + link->release.data = (u_long)link; +#endif + link->conf.IntType = INT_MEMORY_AND_IO; + link->priv = wlandev; +#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911)) + link->irq.Instance = wlandev; +#endif + + /* Link in to the list of devices managed by this driver */ + link->next = dev_list; + dev_list = link; + + /* Register with Card Services */ + client_reg.dev_info = &dev_info; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) + client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) ) + client_reg.EventMask = + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_REQUEST | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.event_handler = &prism2sta_event; +#endif + + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + + result = pcmcia_register_client(&link->handle, &client_reg); + if (result != 0) { + cs_error(link->handle, RegisterClient, result); + prism2sta_detach(link); + return NULL; + } + + goto done; + + failed: + if (link) kfree(link); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + link = NULL; + + done: + DBFEXIT; + return link; +} + + +/*---------------------------------------------------------------- +* prism2sta_detach +* +* Remove one of the device instances managed by this driver. +* Search the list for the given instance, +* check our flags for a waiting timer'd release call +* call release +* Deregister the instance with Card Services +* (netdevice) unregister the network device. +* unlink the instance from the list +* free the link, priv, and priv->priv memory +* Note: the dev_list variable is a driver scoped static used to +* maintain a list of device instances managed by this +* driver. +* +* Arguments: +* link ptr to the instance to detach +* +* Returns: +* nothing +* +* Side effects: +* the link structure is gone, the netdevice is gone +* +* Call context: +* Might be interrupt, don't block. +----------------------------------------------------------------*/ +void prism2sta_detach(dev_link_t *link) +{ + dev_link_t **linkp; + wlandevice_t *wlandev; + hfa384x_t *hw; + + DBFENTER; + + /* Locate prev device structure */ + for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) { + if (*linkp == link) break; + } + + if (*linkp != NULL) { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) + unsigned long flags; + /* Get rid of any timer'd release call */ + save_flags(flags); + cli(); +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + if (link->state & DEV_RELEASE_PENDING) { + del_timer_sync(&link->release); + link->state &= ~DEV_RELEASE_PENDING; + } +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) + restore_flags(flags); +#endif + + /* If link says we're still config'd, call release */ + if (link->state & DEV_CONFIG) { + prism2sta_release((u_long)link); + if (link->state & DEV_STALE_CONFIG) { + link->state |= DEV_STALE_LINK; + return; + } + } + + /* Tell Card Services we're not around any more */ + if (link->handle) { + pcmcia_deregister_client(link->handle); + } + + /* Unlink device structure, free bits */ + *linkp = link->next; + if ( link->priv != NULL ) { + wlandev = (wlandevice_t*)link->priv; + p80211netdev_hwremoved(wlandev); + if (link->dev != NULL) { + unregister_wlandev(wlandev); + } + wlan_unsetup(wlandev); + if (wlandev->priv) { + hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + link->priv = NULL; + kfree(wlandev); + } + kfree(link); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_config +* +* Half of the config/release pair. Usually called in response to +* a card insertion event. At this point, we _know_ there's some +* physical device present. That means we can start poking around +* at the CIS and at any device specific config data we want. +* +* Note the gotos and the macros. I recoded this once without +* them, and it got incredibly ugly. It's actually simpler with +* them. +* +* Arguments: +* link the dev_link_t structure created in attach that +* represents this device instance. +* +* Returns: +* nothing +* +* Side effects: +* Resources (irq, io, mem) are allocated +* The pcmcia dev_link->node->name is set +* (For netcards) The device structure is finished and, +* most importantly, registered. This means that there +* is now a _named_ device that can be configured from +* userland. +* +* Call context: +* May be called from a timer. Don't block! +----------------------------------------------------------------*/ +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(link->handle, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +void prism2sta_config(dev_link_t *link) +{ + client_handle_t handle; + wlandevice_t *wlandev; + hfa384x_t *hw; + int last_fn; + int last_ret; + tuple_t tuple; + cisparse_t parse; + config_info_t socketconf; + UINT8 buf[64]; + int minVcc = 0; + int maxVcc = 0; + cistpl_cftable_entry_t dflt = { 0 }; + + DBFENTER; + + handle = link->handle; + wlandev = (wlandevice_t*)link->priv; + hw = wlandev->priv; + + /* Collect the config register info */ + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + + link->conf.ConfigBase = parse.config.base; + link->conf.Present = parse.config.rmask[0]; + + /* Configure card */ + link->state |= DEV_CONFIG; + + /* Acquire the current socket config (need Vcc setting) */ + CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &socketconf)); + + /* Loop through the config table entries until we find one that works */ + /* Assumes a complete and valid CIS */ + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + while (1) { + cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); + CFG_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); + CFG_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + + if (cfg->index == 0) goto next_entry; + link->conf.ConfigIndex = cfg->index; + + /* Lets print out the Vcc that the controller+pcmcia-cs set + * for us, cause that's what we're going to use. + */ + WLAN_LOG_DEBUG(1,"Initial Vcc=%d/10v\n", socketconf.Vcc); + if (prism2_ignorevcc) { + link->conf.Vcc = socketconf.Vcc; + goto skipvcc; + } + + /* Use power settings for Vcc and Vpp if present */ + /* Note that the CIS values need to be rescaled */ + if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { + WLAN_LOG_DEBUG(1, "Vcc obtained from curtupl.VNOM\n"); + minVcc = maxVcc = + cfg->vcc.param[CISTPL_POWER_VNOM]/10000; + } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { + WLAN_LOG_DEBUG(1, "Vcc set from dflt.VNOM\n"); + minVcc = maxVcc = + dflt.vcc.param[CISTPL_POWER_VNOM]/10000; + } else if ((cfg->vcc.present & (1<<CISTPL_POWER_VMAX)) && + (cfg->vcc.present & (1<<CISTPL_POWER_VMIN)) ) { + WLAN_LOG_DEBUG(1, "Vcc set from curtupl(VMIN,VMAX)\n"); minVcc = cfg->vcc.param[CISTPL_POWER_VMIN]/10000; + maxVcc = cfg->vcc.param[CISTPL_POWER_VMAX]/10000; + } else if ((dflt.vcc.present & (1<<CISTPL_POWER_VMAX)) && + (dflt.vcc.present & (1<<CISTPL_POWER_VMIN)) ) { + WLAN_LOG_DEBUG(1, "Vcc set from dflt(VMIN,VMAX)\n"); + minVcc = dflt.vcc.param[CISTPL_POWER_VMIN]/10000; + maxVcc = dflt.vcc.param[CISTPL_POWER_VMAX]/10000; + } + + if ( socketconf.Vcc >= minVcc && socketconf.Vcc <= maxVcc) { + link->conf.Vcc = socketconf.Vcc; + } else { + /* [MSM]: Note that I've given up trying to change + * the Vcc if a change is indicated. It seems the + * system&socketcontroller&card vendors can't seem + * to get it right, so I'm tired of trying to hack + * my way around it. pcmcia-cs does its best using + * the voltage sense pins but sometimes the controller + * lies. Then, even if we have a good read on the VS + * pins, some system designs will silently ignore our + * requests to set the voltage. Additionally, some + * vendors have 3.3v indicated on their sense pins, + * but 5v specified in the CIS or vice-versa. I've + * had it. My only recommendation is "let the buyer + * beware". Your system might supply 5v to a 3v card + * (possibly causing damage) or a 3v capable system + * might supply 5v to a 3v capable card (wasting + * precious battery life). + * My only recommendation (if you care) is to get + * yourself an extender card (I don't know where, I + * have only one myself) and a meter and test it for + * yourself. + */ + goto next_entry; + } +skipvcc: + WLAN_LOG_DEBUG(1, "link->conf.Vcc=%d\n", link->conf.Vcc); + + /* Do we need to allocate an interrupt? */ + /* HACK: due to a bad CIS....we ALWAYS need an interrupt */ + /* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */ + link->conf.Attributes |= CONF_ENABLE_IRQ; + + /* IO window settings */ + link->io.NumPorts1 = link->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.BasePort1 = io->win[0].base; + if ( link->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + link->io.BasePort1 ); + link->io.BasePort1 = 0; + } + link->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + link->io.Attributes2 = link->io.Attributes1; + link->io.BasePort2 = io->win[1].base; + link->io.NumPorts2 = io->win[1].len; + } + } + + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); + + /* If we got this far, we're cool! */ + break; + +next_entry: + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + CS_CHECK(GetNextTuple, + pcmcia_get_next_tuple(handle, &tuple)); + } + + /* Allocate an interrupt line. Note that this does not assign a */ + /* handler to the interrupt, unless the 'Handler' member of the */ + /* irq structure is initialized. */ + if (link->conf.Attributes & CONF_ENABLE_IRQ) + { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) + int i; + link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID; + if (irq_list[0] == -1) + link->irq.IRQInfo2 = irq_mask; + else + for (i=0; i<4; i++) + link->irq.IRQInfo2 |= 1 << irq_list[i]; +#else + link->irq.IRQInfo1 = IRQ_LEVEL_ID; +#endif + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + link->irq.Handler = hfa384x_interrupt; + link->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + } + + /* This actually configures the PCMCIA socket -- setting up */ + /* the I/O windows and the interrupt mapping, and putting the */ + /* card and host interface into "Memory and IO" mode. */ + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + + /* Fill the netdevice with this info */ + wlandev->netdev->irq = link->irq.AssignedIRQ; + wlandev->netdev->base_addr = link->io.BasePort1; + + /* Report what we've done */ + WLAN_LOG_INFO("%s: index 0x%02x: Vcc %d.%d", + dev_info, link->conf.ConfigIndex, + link->conf.Vcc/10, link->conf.Vcc%10); + if (link->conf.Vpp1) + printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10); + if (link->conf.Attributes & CONF_ENABLE_IRQ) + printk(", irq %d", link->irq.AssignedIRQ); + if (link->io.NumPorts1) + printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); + if (link->io.NumPorts2) + printk(" & 0x%04x-0x%04x", link->io.BasePort2, link->io.BasePort2+link->io.NumPorts2-1); + printk("\n"); + + link->state &= ~DEV_CONFIG_PENDING; + + /* Let pcmcia know the device name */ + link->dev = &hw->node; + + /* Register the network device and get assigned a name */ + SET_MODULE_OWNER(wlandev->netdev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) ) + SET_NETDEV_DEV(wlandev->netdev, &handle_to_dev(link->handle)); +#endif + if (register_wlandev(wlandev) != 0) { + WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n"); + goto failed; + } + + strcpy(hw->node.dev_name, wlandev->name); + + /* Any device custom config/query stuff should be done here */ + /* For a netdevice, we should at least grab the mac address */ + + return; +cs_failed: + cs_error(link->handle, last_fn, last_ret); + WLAN_LOG_ERROR("NextTuple failure? It's probably a Vcc mismatch.\n"); + +failed: + prism2sta_release((u_long)link); + return; +} + +/*---------------------------------------------------------------- +* prism2sta_release +* +* Half of the config/release pair. Usually called in response to +* a card ejection event. Checks to make sure no higher layers +* are still (or think they are) using the card via the link->open +* field. +* +* NOTE: Don't forget to increment the link->open variable in the +* device_open method, and decrement it in the device_close +* method. +* +* Arguments: +* arg a generic 32 bit variable. It's the value that +* we assigned to link->release.data in sta_attach(). +* +* Returns: +* nothing +* +* Side effects: +* All resources should be released after this function +* executes and finds the device !open. +* +* Call context: +* Possibly in a timer context. Don't do anything that'll +* block. +----------------------------------------------------------------*/ +void prism2sta_release(u_long arg) +{ + dev_link_t *link = (dev_link_t *)arg; + + DBFENTER; + + /* First thing we should do is get the MSD back to the + * HWPRESENT state. I.e. everything quiescent. + */ + prism2sta_ifstate(link->priv, P80211ENUM_ifstate_disable); + + if (link->open) { + /* TODO: I don't think we're even using this bit of code + * and I don't think it's hurting us at the moment. + */ + WLAN_LOG_DEBUG(1, + "prism2sta_cs: release postponed, '%s' still open\n", + link->dev->dev_name); + link->state |= DEV_STALE_CONFIG; + return; + } + + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); + pcmcia_release_irq(link->handle, &link->irq); + + link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* prism2sta_event +* +* Handler for card services events. +* +* Arguments: +* event The event code +* priority hi/low - REMOVAL is the only hi +* args ptr to card services struct containing info about +* pcmcia status +* +* Returns: +* Zero on success, non-zero otherwise +* +* Side effects: +* +* +* Call context: +* Both interrupt and process thread, depends on the event. +----------------------------------------------------------------*/ +static int +prism2sta_event ( + event_t event, + int priority, + event_callback_args_t *args) +{ + int result = 0; + dev_link_t *link = (dev_link_t *) args->client_data; + wlandevice_t *wlandev = (wlandevice_t*)link->priv; + hfa384x_t *hw = NULL; + + DBFENTER; + + if (wlandev) hw = wlandev->priv; + + switch (event) + { + case CS_EVENT_CARD_INSERTION: + WLAN_LOG_DEBUG(5,"event is INSERTION\n"); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + prism2sta_config(link); + if (!(link->state & DEV_CONFIG)) { + wlandev->netdev->irq = 0; + WLAN_LOG_ERROR( + "%s: Initialization failed!\n", dev_info); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } + + /* Fill in the rest of the hw struct */ + hw->irq = wlandev->netdev->irq; + hw->iobase = wlandev->netdev->base_addr; + hw->link = link; + + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if ( result ) { + WLAN_LOG_ERROR( + "corereset() failed, result=%d.\n", + result); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } + } + +#if 0 + /* + * TODO: test_hostif() not implemented yet. + */ + result = hfa384x_test_hostif(hw); + if (result) { + WLAN_LOG_ERROR( + "test_hostif() failed, result=%d.\n", result); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } +#endif + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + + case CS_EVENT_CARD_REMOVAL: + WLAN_LOG_DEBUG(5,"event is REMOVAL\n"); + link->state &= ~DEV_PRESENT; + + if (wlandev) { + p80211netdev_hwremoved(wlandev); + } + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + if (link->state & DEV_CONFIG) + { + link->release.expires = jiffies + (HZ/20); + add_timer(&link->release); + } +#endif + break; + case CS_EVENT_RESET_REQUEST: + WLAN_LOG_DEBUG(5,"event is RESET_REQUEST\n"); + WLAN_LOG_NOTICE( + "prism2 card reset not supported " + "due to post-reset user mode configuration " + "requirements.\n"); + WLAN_LOG_NOTICE( + " From user mode, use " + "'cardctl suspend;cardctl resume' " + "instead.\n"); + break; + case CS_EVENT_RESET_PHYSICAL: + case CS_EVENT_CARD_RESET: + WLAN_LOG_WARNING("Rx'd CS_EVENT_RESET_xxx, should not " + "be possible since RESET_REQUEST was denied.\n"); + break; + + case CS_EVENT_PM_SUSPEND: + WLAN_LOG_DEBUG(5,"event is SUSPEND\n"); + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) + { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + pcmcia_release_configuration(link->handle); + } + break; + + case CS_EVENT_PM_RESUME: + WLAN_LOG_DEBUG(5,"event is RESUME\n"); + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + } + break; + } + + DBFEXIT; + return 0; /* noone else does anthing with the return value */ +} +#endif // <= 2.6.15 + + + +int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis) +{ + int result = 0; + conf_reg_t reg; + UINT8 corsave; + DBFENTER; + + WLAN_LOG_DEBUG(3, "Doing reset via CardServices().\n"); + + /* Collect COR */ + reg.Function = 0; + reg.Action = CS_READ; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":0: AccessConfigurationRegister(CS_READ) failed," + "result=%d.\n", result); + result = -EIO; + } + corsave = reg.Value; + + /* Write reset bit (BIT7) */ + reg.Value |= BIT7; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":1: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + } + + /* Hold for holdtime */ + mdelay(holdtime); + + if (genesis) { + reg.Value = genesis; + reg.Action = CS_WRITE; + reg.Offset = CISREG_CCSR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":1: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + } + } + + /* Hold for holdtime */ + mdelay(holdtime); + + /* Clear reset bit */ + reg.Value &= ~BIT7; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":2: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + goto done; + } + + /* Wait for settletime */ + mdelay(settletime); + + /* Set non-reset bits back what they were */ + reg.Value = corsave; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":2: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + goto done; + } + +done: + DBFEXIT; + return result; +} + +#ifdef MODULE + +static int __init prism2cs_init(void) +{ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + servinfo_t serv; +#endif + + DBFENTER; + + WLAN_LOG_NOTICE("%s Loaded\n", version); + WLAN_LOG_NOTICE("dev_info is: %s\n", dev_info); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + pcmcia_get_card_services_info(&serv); + if ( serv.Revision != CS_RELEASE_CODE ) + { + printk(KERN_NOTICE"%s: CardServices release does not match!\n", dev_info); + return -1; + } + + /* This call will result in a call to prism2sta_attach */ + /* and eventually prism2sta_detach */ + register_pccard_driver( &dev_info, &prism2sta_attach, &prism2sta_detach); +#else + pcmcia_register_driver(&prism2_cs_driver); +#endif + + DBFEXIT; + return 0; +} + +static void __exit prism2cs_cleanup(void) +{ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + dev_link_t *link = dev_list; + dev_link_t *nlink; + DBFENTER; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) ) + for (link=dev_list; link != NULL; link = nlink) { + nlink = link->next; + if ( link->state & DEV_CONFIG ) { + prism2sta_release((u_long)link); + } + prism2sta_detach(link); /* remember detach() frees link */ + } +#endif + + unregister_pccard_driver( &dev_info); +#else + pcmcia_unregister_driver(&prism2_cs_driver); +#endif + + printk(KERN_NOTICE "%s Unloaded\n", version); + + DBFEXIT; + return; +} + +module_init(prism2cs_init); +module_exit(prism2cs_cleanup); + +#endif // MODULE + |