litmus-rt.git - The LITMUS^RT kernel.

	Commit message (Expand)	Author	Age
*	Basic braille screen reader support	Samuel Thibault	2008-04-30
*	memstick: initial commit for Sony MemoryStick support	Alex Dubov	2008-02-09
*	Merge branches 'release' and 'menlo' into release	Len Brown	2008-02-07
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\| *	the generic thermal sysfs driver	Zhang Rui	2008-02-01
* \|	gpiolib: add drivers/gpio directory	David Brownell	2008-02-05
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*	Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus	Linus Torvalds	2008-01-30
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\| *	lguest: fix drivers/lguest Makefile entry	Glauber de Oliveira Costa	2008-01-30
* \|	KVM: Move arch dependent files to new directory arch/x86/kvm/	Avi Kivity	2008-01-30
* \|	x86: early boot debugging via FireWire (ohci1394_dma=early)	Bernhard Kaindl	2008-01-30
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*	Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	Linus Torvalds	2007-10-23
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\| *	[SCSI] fc4: remove this and all associated drivers	Matthew Wilcox	2007-10-17
* \|	Virtio interface	Rusty Russell	2007-10-23
* \|	Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/...	Linus Torvalds	2007-10-19
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\| * \|	cpuidle: consolidate 2.6.22 cpuidle branch into one patch	Len Brown	2007-10-10
* \| \|	mv watchdog tree under drivers	Wim Van Sebroeck	2007-10-18
\| \|/ \|/\|
* \|	DCA: Add Direct Cache Access driver	Shannon Nelson	2007-10-16
* \|	[SSB]: add Sonics Silicon Backplane bus support	Michael Buesch	2007-10-10
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*	[WATCHDOG] Fix pcwd_init_module crash	Wim Van Sebroeck	2007-07-29
*	Start split out of common open firmware code	Stephen Rothwell	2007-07-19
*	lguest: the Makefile and Kconfig	Rusty Russell	2007-07-19
*	UIO: Add the User IO core code	Hans J. Koch	2007-07-18
*	xen: Add grant table support	Jeremy Fitzhardinge	2007-07-18
*	[BATTERY] Universal power supply class (was: battery class)	Anton Vorontsov	2007-07-10
*	Merge branch 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...	Linus Torvalds	2007-05-10
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\| *	firewire: rename CONFIG_FW to CONFIG_FIREWIRE	Stefan Richter	2007-03-20
\| *	firewire: Add core firewire stack.	Kristian Høgsberg	2007-03-09
* \|	i2c: Add i2c_board_info and i2c_new_device()	David Brownell	2007-05-01
* \|	IB: Remove reference to obsolete CONFIG_IPATH_CORE	Roland Dreier	2007-04-18
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*	[PATCH] drivers: add LCD support	Miguel Ojeda Sandonis	2007-02-11
*	[PATCH] enable mouse button 2+3 emulation for x86 macs	Soeren Sonnenburg	2007-02-09
*	[PATCH] kvm: userspace interface	Avi Kivity	2006-12-10
*	[PATCH] Generic HID layer - build	Jiri Kosina	2006-12-08
*	[POWERPC] ps3: Missed renames of CONFIG_PS3 to CONFIG_PPC_PS3	Geert Uytterhoeven	2006-12-04
*	[POWERPC] ps3: add ps3 platform system bus support	Geoff Levand	2006-12-04
*	Move libata to drivers/ata.	Jeff Garzik	2006-08-10
*	[PATCH] Time: i386 Clocksource Drivers	john stultz	2006-06-26
*	[I/OAT]: DMA memcpy subsystem	Chris Leech	2006-06-18
*	Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/rolan...	Linus Torvalds	2006-04-02
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\| *	IB/ipath: kbuild infrastructure	Bryan O'Sullivan	2006-03-31
* \|	Manual merge with Linus.	Dmitry Torokhov	2006-04-02
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\| * \|	[PATCH] LED: add LED class	Richard Purdie	2006-03-31
\| \|/
\| *	[PATCH] RTC Subsystem: library functions	Alessandro Zummo	2006-03-27
* \|	Input: initialize serio and gameport at subsystem level	Dmitry Torokhov	2006-02-19
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*	[PATCH] drivers/sn/ must be entered for CONFIG_SGI_IOC3	Jes Sorensen	2006-01-26
*	[PATCH] EDAC: core EDAC support code	Alan Cox	2006-01-18
*	[PATCH] spi: simple SPI framework	David Brownell	2006-01-13
*	[ARM] Move AMBA bus code to drivers/amba/	Russell King	2006-01-07
*	Link USB drivers later in the kernel	Linus Torvalds	2005-12-03
*	[PATCH] RapidIO support: core base	Matt Porter	2005-11-07
*	[PATCH] sh: Re-add sh to drivers/Makefile	Paul Mundt	2005-11-07

/*** -*- linux-c -*- ********************************************************** Driver for Atmel at76c502 at76c504 and at76c506 wireless cards. Copyright 2000-2001 ATMEL Corporation. Copyright 2003 Simon Kelley. This code was developed from version 2.1.1 of the Atmel drivers, released by Atmel corp. under the GPL in December 2002. It also includes code from the Linux aironet drivers (C) Benjamin Reed, and the Linux PCMCIA package, (C) David Hinds. For all queries about this code, please contact the current author, Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Atmel wireless lan drivers; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ******************************************************************************/ #include <linux/config.h> #ifdef __IN_PCMCIA_PACKAGE__ #include <pcmcia/k_compat.h> #endif #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/netdevice.h> #include <linux/moduleparam.h> #include <linux/device.h> #include <pcmcia/version.h> #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> #include <pcmcia/ciscode.h> #include <asm/io.h> #include <asm/system.h> #include <linux/wireless.h> #include "atmel.h" /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If you do not define PCMCIA_DEBUG at all, all the debug code will be left out. If you compile with PCMCIA_DEBUG=0, the debug code will be present but disabled -- but it can then be enabled for specific modules at load time with a 'pc_debug=#' option to insmod. */ #ifdef PCMCIA_DEBUG static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0); static char *version = "$Revision: 1.2 $"; #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); #else #define DEBUG(n, args...) #endif /*====================================================================*/ MODULE_AUTHOR("Simon Kelley"); MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards."); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); /*====================================================================*/ /* The event() function is this driver's Card Services event handler. It will be called by Card Services when an appropriate card status event is received. The config() and release() entry points are used to configure or release a socket, in response to card insertion and ejection events. They are invoked from the atmel_cs event handler. */ static void atmel_config(dev_link_t *link); static void atmel_release(dev_link_t *link); static int atmel_event(event_t event, int priority, event_callback_args_t *args); /* The attach() and detach() entry points are used to create and destroy "instances" of the driver, where each instance represents everything needed to manage one actual PCMCIA card. */ static dev_link_t *atmel_attach(void); static void atmel_detach(dev_link_t *); /* You'll also need to prototype all the functions that will actually be used to talk to your device. See 'pcmem_cs' for a good example of a fully self-sufficient driver; the other drivers rely more or less on other parts of the kernel. */ /* The dev_info variable is the "key" that is used to match up this device driver with appropriate cards, through the card configuration database. */ static dev_info_t dev_info = "atmel_cs"; /* A linked list of "instances" of the atmelnet device. Each actual PCMCIA card corresponds to one device instance, and is described by one dev_link_t structure (defined in ds.h). You may not want to use a linked list for this -- for example, the memory card driver uses an array of dev_link_t pointers, where minor device numbers are used to derive the corresponding array index. */ static dev_link_t *dev_list = NULL; /* A dev_link_t structure has fields for most things that are needed to keep track of a socket, but there will usually be some device specific information that also needs to be kept track of. The 'priv' pointer in a dev_link_t structure can be used to point to a device-specific private data structure, like this. A driver needs to provide a dev_node_t structure for each device on a card. In some cases, there is only one device per card (for example, ethernet cards, modems). In other cases, there may be many actual or logical devices (SCSI adapters, memory cards with multiple partitions). The dev_node_t structures need to be kept in a linked list starting at the 'dev' field of a dev_link_t structure. We allocate them in the card's private data structure, because they generally shouldn't be allocated dynamically. In this case, we also provide a flag to indicate if a device is "stopped" due to a power management event, or card ejection. The device IO routines can use a flag like this to throttle IO to a card that is not ready to accept it. */ typedef struct local_info_t { dev_node_t node; struct net_device *eth_dev; } local_info_t; /*====================================================================== atmel_attach() creates an "instance" of the driver, allocating local data structures for one device. The device is registered with Card Services. The dev_link structure is initialized, but we don't actually configure the card at this point -- we wait until we receive a card insertion event. ======================================================================*/ static dev_link_t *atmel_attach(void) { client_reg_t client_reg; dev_link_t *link; local_info_t *local; int ret; DEBUG(0, "atmel_attach()\n"); /* Initialize the dev_link_t structure */ link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); return NULL; } memset(link, 0, sizeof(struct dev_link_t)); /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; /* General socket configuration defaults can go here. In this client, we assume very little, and rely on the CIS for almost everything. In most clients, many details (i.e., number, sizes, and attributes of IO windows) are fixed by the nature of the device, and can be hard-wired here. */ link->conf.Attributes = 0; link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; /* Allocate space for private device-specific data */ local = kmalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); kfree (link); return NULL; } memset(local, 0, sizeof(local_info_t)); link->priv = local; /* Register with Card Services */ link->next = dev_list; dev_list = link; client_reg.dev_info = &dev_info; client_reg.EventMask = CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; client_reg.event_handler = &atmel_event; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; ret = pcmcia_register_client(&link->handle, &client_reg); if (ret != 0) { cs_error(link->handle, RegisterClient, ret); atmel_detach(link); return NULL; } return link; } /* atmel_attach */ /*====================================================================== This deletes a driver "instance". The device is de-registered with Card Services. If it has been released, all local data structures are freed. Otherwise, the structures will be freed when the device is released. ======================================================================*/ static void atmel_detach(dev_link_t *link) { dev_link_t **linkp; DEBUG(0, "atmel_detach(0x%p)\n", link); /* Locate device structure */ for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) if (*linkp == link) break; if (*linkp == NULL) return; if (link->state & DEV_CONFIG) atmel_release(link); /* Break the link with Card Services */ if (link->handle) pcmcia_deregister_client(link->handle); /* Unlink device structure, free pieces */ *linkp = link->next; if (link->priv) kfree(link->priv); kfree(link); } /*====================================================================== atmel_config() is scheduled to run after a CARD_INSERTION event is received, to configure the PCMCIA socket, and to make the device available to the system. ======================================================================*/ #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) /* Call-back function to interrogate PCMCIA-specific information about the current existance of the card */ static int card_present(void *arg) { dev_link_t *link = (dev_link_t *)arg; if (link->state & DEV_SUSPEND) return 0; else if (link->state & DEV_PRESENT) return 1; return 0; } /* list of cards we know about and their firmware requirements. Go either by Manfid or version strings. Cards not in this list will need a firmware parameter to the module in all probability. Note that the SMC 2632 V2 and V3 have the same manfids, so we ignore those and use the version1 strings. */ static struct { int manf, card; char *ver1; AtmelFWType firmware; char *name; } card_table[] = { { 0, 0, "WLAN/802.11b PC CARD", ATMEL_FW_TYPE_502D, "Actiontec 802CAT1" }, { 0, 0, "ATMEL/AT76C502AR", ATMEL_FW_TYPE_502, "NoName-RFMD" }, { 0, 0, "ATMEL/AT76C502AR_D", ATMEL_FW_TYPE_502D, "NoName-revD" }, { 0, 0, "ATMEL/AT76C502AR_E", ATMEL_FW_TYPE_502E, "NoName-revE" }, { 0, 0, "ATMEL/AT76C504", ATMEL_FW_TYPE_504, "NoName-504" }, { 0, 0, "ATMEL/AT76C504A", ATMEL_FW_TYPE_504A_2958, "NoName-504a-2958" }, { 0, 0, "ATMEL/AT76C504_R", ATMEL_FW_TYPE_504_2958, "NoName-504-2958" }, { MANFID_3COM, 0x0620, NULL, ATMEL_FW_TYPE_502_3COM, "3com 3CRWE62092B" }, { MANFID_3COM, 0x0696, NULL, ATMEL_FW_TYPE_502_3COM, "3com 3CRSHPW196" }, { 0, 0, "SMC/2632W-V2", ATMEL_FW_TYPE_502, "SMC 2632W-V2" }, { 0, 0, "SMC/2632W", ATMEL_FW_TYPE_502D, "SMC 2632W-V3" }, { 0xd601, 0x0007, NULL, ATMEL_FW_TYPE_502, "Sitecom WLAN-011" }, { 0x01bf, 0x3302, NULL, ATMEL_FW_TYPE_502E, "Belkin F5D6020-V2" }, { 0, 0, "BT/Voyager 1020 Laptop Adapter", ATMEL_FW_TYPE_502, "BT Voyager 1020" }, { 0, 0, "IEEE 802.11b/Wireless LAN PC Card", ATMEL_FW_TYPE_502, "Siemens Gigaset PC Card II" }, { 0, 0, "IEEE 802.11b/Wireless LAN Card S", ATMEL_FW_TYPE_504_2958, "Siemens Gigaset PC Card II" }, { 0, 0, "CNet/CNWLC 11Mbps Wireless PC Card V-5", ATMEL_FW_TYPE_502E, "CNet CNWLC-811ARL" }, { 0, 0, "Wireless/PC_CARD", ATMEL_FW_TYPE_502D, "Planet WL-3552" }, { 0, 0, "OEM/11Mbps Wireless LAN PC Card V-3", ATMEL_FW_TYPE_502, "OEM 11Mbps WLAN PCMCIA Card" }, { 0, 0, "11WAVE/11WP611AL-E", ATMEL_FW_TYPE_502E, "11WAVE WaveBuddy" }, { 0, 0, "LG/LW2100N", ATMEL_FW_TYPE_502E, "LG LW2100N 11Mbps WLAN PCMCIA Card" }, }; static void atmel_config(dev_link_t *link) { client_handle_t handle; tuple_t tuple; cisparse_t parse; local_info_t *dev; int last_fn, last_ret; u_char buf[64]; int card_index = -1, done = 0; handle = link->handle; dev = link->priv; DEBUG(0, "atmel_config(0x%p)\n", link); tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; tuple.DesiredTuple = CISTPL_MANFID; if (pcmcia_get_first_tuple(handle, &tuple) == 0) { int i; cistpl_manfid_t *manfid; CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); manfid = &(parse.manfid); for (i = 0; i < sizeof(card_table)/sizeof(card_table[0]); i++) { if (!card_table[i].ver1 && manfid->manf == card_table[i].manf && manfid->card == card_table[i].card) { card_index = i; done = 1; } } } tuple.DesiredTuple = CISTPL_VERS_1; if (!done && (pcmcia_get_first_tuple(handle, &tuple) == 0)) { int i, j, k; cistpl_vers_1_t *ver1; CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); ver1 = &(parse.version_1); for (i = 0; i < sizeof(card_table)/sizeof(card_table[0]); i++) { for (j = 0; j < ver1->ns; j++) { char *p = card_table[i].ver1; char *q = &ver1->str[ver1->ofs[j]]; if (!p) goto mismatch; for (k = 0; k < j; k++) { while ((*p != '\0') && (*p != '/')) p++; if (*p == '\0') { if (*q != '\0') goto mismatch; } else { p++; } } while((*q != '\0') && (*p != '\0') && (*p != '/') && (*p == *q)) p++, q++; if (((*p != '\0') && *p != '/') || *q != '\0') goto mismatch; } card_index = i; break; /* done */ mismatch: j = 0; /* dummy stmt to shut up compiler */ } } /* This reads the card's CONFIG tuple to find its configuration registers. */ tuple.DesiredTuple = CISTPL_CONFIG; 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; /* In this loop, we scan the CIS for configuration table entries, each of which describes a valid card configuration, including voltage, IO window, memory window, and interrupt settings. We make no assumptions about the card to be configured: we use just the information available in the CIS. In an ideal world, this would work for any PCMCIA card, but it requires a complete and accurate CIS. In practice, a driver usually "knows" most of these things without consulting the CIS, and most client drivers will only use the CIS to fill in implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); while (1) { cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); if (pcmcia_get_tuple_data(handle, &tuple) != 0 || pcmcia_parse_tuple(handle, &tuple, &parse) != 0) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) goto next_entry; link->conf.ConfigIndex = cfg->index; /* Does this card need audio output? */ if (cfg->flags & CISTPL_CFTABLE_AUDIO) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } /* 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)) link->conf.Vcc = cfg->vcc.param[CISTPL_POWER_VNOM]/10000; else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) link->conf.Vcc = dflt.vcc.param[CISTPL_POWER_VNOM]/10000; if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) link->conf.Vpp1 = link->conf.Vpp2 = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM)) link->conf.Vpp1 = link->conf.Vpp2 = dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; /* Do we need to allocate 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; 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 */ if (pcmcia_request_io(link->handle, &link->io) != 0) goto next_entry; /* If we got this far, we're cool! */ break; next_entry: 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) 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)); if (link->irq.AssignedIRQ == 0) { printk(KERN_ALERT "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config."); goto cs_failed; } ((local_info_t*)link->priv)->eth_dev = init_atmel_card(link->irq.AssignedIRQ, link->io.BasePort1, card_index == -1 ? ATMEL_FW_TYPE_NONE : card_table[card_index].firmware, &handle_to_dev(handle), card_present, link); if (!((local_info_t*)link->priv)->eth_dev) goto cs_failed; /* At this point, the dev_node_t structure(s) need to be initialized and arranged in a linked list at link->dev. */ strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); dev->node.major = dev->node.minor = 0; link->dev = &dev->node; /* Finally, report what we've done */ printk(KERN_INFO "%s: %s%sindex 0x%02x: Vcc %d.%d", dev->node.dev_name, card_index == -1 ? "" : card_table[card_index].name, card_index == -1 ? "" : " ", 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; return; cs_failed: cs_error(link->handle, last_fn, last_ret); atmel_release(link); } /*====================================================================== After a card is removed, atmel_release() will unregister the device, and release the PCMCIA configuration. If the device is still open, this will be postponed until it is closed. ======================================================================*/ static void atmel_release(dev_link_t *link) { struct net_device *dev = ((local_info_t*)link->priv)->eth_dev; DEBUG(0, "atmel_release(0x%p)\n", link); /* Unlink the device chain */ link->dev = NULL; if (dev) stop_atmel_card(dev, 0); ((local_info_t*)link->priv)->eth_dev = NULL; /* Don't bother checking to see if these succeed or not */ 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; } /*====================================================================== The card status event handler. Mostly, this schedules other stuff to run after an event is received. When a CARD_REMOVAL event is received, we immediately set a private flag to block future accesses to this device. All the functions that actually access the device should check this flag to make sure the card is still present. ======================================================================*/ static int atmel_event(event_t event, int priority, event_callback_args_t *args) { dev_link_t *link = args->client_data; local_info_t *local = link->priv; DEBUG(1, "atmel_event(0x%06x)\n", event); switch (event) { case CS_EVENT_CARD_REMOVAL: link->state &= ~DEV_PRESENT; if (link->state & DEV_CONFIG) { netif_device_detach(local->eth_dev); atmel_release(link); } break; case CS_EVENT_CARD_INSERTION: link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; atmel_config(link); break; case CS_EVENT_PM_SUSPEND: link->state |= DEV_SUSPEND; /* Fall through... */ case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { netif_device_detach(local->eth_dev); pcmcia_release_configuration(link->handle); } break; case CS_EVENT_PM_RESUME: link->state &= ~DEV_SUSPEND; /* Fall through... */ case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { pcmcia_request_configuration(link->handle, &link->conf); atmel_open(local->eth_dev); netif_device_attach(local->eth_dev); } break; } return 0; } /* atmel_event */ /*====================================================================*/ static struct pcmcia_driver atmel_driver = { .owner = THIS_MODULE, .drv = { .name = "atmel_cs", }, .attach = atmel_attach, .detach = atmel_detach, }; static int atmel_cs_init(void) { return pcmcia_register_driver(&atmel_driver); } static void atmel_cs_cleanup(void) { pcmcia_unregister_driver(&atmel_driver); BUG_ON(dev_list != NULL); } /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. In addition: Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ module_init(atmel_cs_init); module_exit(atmel_cs_cleanup);