/*
* This 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 int
orinoco_cs_probe(struct pcmcia_device *link)
{
struct orinoco_private *priv;
struct orinoco_pccard *card;
priv = alloc_orinocodev(sizeof(*card), &link->dev,
orinoco_cs_hard_reset, NULL);
if (!priv)
return -ENOMEM;
card = priv->card;
/* Link both structures together */
card->p_dev = link;
link->priv = priv;
/* 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.IntType = INT_MEMORY_AND_IO;
return orinoco_cs_config(link);
} /* orinoco_cs_attach */
/*
* This 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 int
orinoco_cs_probe(struct pcmcia_device *link)
{
struct net_device *dev;
struct orinoco_private *priv;
struct orinoco_pccard *card;
dev = alloc_orinocodev(sizeof(*card), &handle_to_dev(link),
orinoco_cs_hard_reset, NULL);
if (!dev)
return -ENOMEM;
priv = netdev_priv(dev);
card = priv->card;
/* Link both structures together */
card->p_dev = link;
link->priv = dev;
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = orinoco_interrupt;
link->irq.Instance = dev;
/* 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.IntType = INT_MEMORY_AND_IO;
return orinoco_cs_config(link);
} /* orinoco_cs_attach */
static int
orinoco_cs_probe(struct pcmcia_device *link)
{
struct orinoco_private *priv;
struct orinoco_pccard *card;
priv = alloc_orinocodev(sizeof(*card), &handle_to_dev(link),
orinoco_cs_hard_reset, NULL);
if (!priv)
return -ENOMEM;
card = priv->card;
card->p_dev = link;
link->priv = priv;
link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = orinoco_interrupt;
link->irq.Instance = priv;
link->conf.Attributes = 0;
link->conf.IntType = INT_MEMORY_AND_IO;
return orinoco_cs_config(link);
}
static int
orinoco_cs_probe(struct pcmcia_device *link)
{
struct orinoco_private *priv;
struct orinoco_pccard *card;
priv = alloc_orinocodev(sizeof(*card), &link->dev,
orinoco_cs_hard_reset, NULL);
if (!priv)
return -ENOMEM;
card = priv->card;
/* Link both structures together */
card->p_dev = link;
link->priv = priv;
#if 1 /* in RHEL */
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
link->irq.Handler = orinoco_interrupt;
link->conf.Attributes = 0;
link->conf.IntType = INT_MEMORY_AND_IO;
#endif
return orinoco_cs_config(link);
} /* orinoco_cs_attach */
static int
orinoco_cs_probe(struct pcmcia_device *link)
{
struct orinoco_private *priv;
struct orinoco_pccard *card;
priv = alloc_orinocodev(sizeof(*card), &link->dev,
orinoco_cs_hard_reset, NULL);
if (!priv)
return -ENOMEM;
card = priv->card;
/* */
card->p_dev = link;
link->priv = priv;
return orinoco_cs_config(link);
} /* */
static void
orinoco_cs_config(dev_link_t *link)
{
struct net_device *dev = link->priv;
client_handle_t handle = link->handle;
struct orinoco_private *priv = netdev_priv(dev);
struct orinoco_pccard *card = priv->card;
hermes_t *hw = &priv->hw;
int last_fn, last_ret;
u_char buf[64];
config_info_t conf;
cisinfo_t info;
tuple_t tuple;
cisparse_t parse;
void __iomem *mem;
CS_CHECK(ValidateCIS, pcmcia_validate_cis(handle, &info));
/*
* This reads the card's CONFIG tuple to find its
* configuration registers.
*/
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;
/* Look up the current Vcc */
CS_CHECK(GetConfigurationInfo,
pcmcia_get_configuration_info(handle, &conf));
link->conf.Vcc = conf.Vcc;
/*
* 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 *cfg = &(parse.cftable_entry);
cistpl_cftable_entry_t dflt = { .index = 0 };
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)) {
if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
if (!ignore_cis_vcc)
goto next_entry;
}
} else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) {
DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000);
if(!ignore_cis_vcc)
goto next_entry;
}
}
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? */
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.IOAddrLines =
io->flags & CISTPL_IO_LINES_MASK;
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:
if (link->io.NumPorts1)
pcmcia_release_io(link->handle, &link->io);
last_ret = pcmcia_get_next_tuple(handle, &tuple);
if (last_ret == CS_NO_MORE_ITEMS) {
printk(KERN_ERR PFX "GetNextTuple(): No matching "
"CIS configuration. Maybe you need the "
"ignore_cis_vcc=1 parameter.\n");
goto cs_failed;
}
}
/*
* 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.
*/
CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
/* We initialize the hermes structure before completing PCMCIA
* configuration just in case the interrupt handler gets
* called. */
mem = ioport_map(link->io.BasePort1, link->io.NumPorts1);
if (!mem)
goto cs_failed;
hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
/*
* 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));
/* Ok, we have the configuration, prepare to register the netdev */
dev->base_addr = link->io.BasePort1;
dev->irq = link->irq.AssignedIRQ;
SET_MODULE_OWNER(dev);
card->node.major = card->node.minor = 0;
SET_NETDEV_DEV(dev, &handle_to_dev(handle));
/* Tell the stack we exist */
if (register_netdev(dev) != 0) {
printk(KERN_ERR PFX "register_netdev() failed\n");
goto failed;
}
/* At this point, the dev_node_t structure(s) needs to be
* initialized and arranged in a linked list at link->dev. */
strcpy(card->node.dev_name, dev->name);
link->dev = &card->node; /* link->dev being non-NULL is also
used to indicate that the
net_device has been registered */
link->state &= ~DEV_CONFIG_PENDING;
/* Finally, report what we've done */
printk(KERN_DEBUG "%s: index 0x%02x: Vcc %d.%d",
dev->name, 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);
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");
return;
cs_failed:
cs_error(link->handle, last_fn, last_ret);
failed:
orinoco_cs_release(link);
} /* orinoco_cs_config */
/*
* After a card is removed, orinoco_cs_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
orinoco_cs_release(dev_link_t *link)
{
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
/* We're committed to taking the device away now, so mark the
* hardware as unavailable */
spin_lock_irqsave(&priv->lock, flags);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
/* 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;
if (priv->hw.iobase)
ioport_unmap(priv->hw.iobase);
} /* orinoco_cs_release */
/*
* The card status event handler. Mostly, this schedules other stuff
* to run after an event is received.
*/
static int
orinoco_cs_event(event_t event, int priority,
event_callback_args_t * args)
{
dev_link_t *link = args->client_data;
struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev);
struct orinoco_pccard *card = priv->card;
int err = 0;
unsigned long flags;
switch (event) {
case CS_EVENT_CARD_REMOVAL:
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG) {
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
}
break;
case CS_EVENT_CARD_INSERTION:
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
orinoco_cs_config(link);
break;
case CS_EVENT_PM_SUSPEND:
link->state |= DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
/* Mark the device as stopped, to block IO until later */
if (link->state & DEV_CONFIG) {
/* This is probably racy, but I can't think of
a better way, short of rewriting the PCMCIA
layer to not suck :-( */
if (! test_bit(0, &card->hard_reset_in_progress)) {
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(dev);
if (err)
printk(KERN_WARNING "%s: %s: Error %d downing interface\n",
dev->name,
event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL",
err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
}
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) {
/* FIXME: should we double check that this is
* the same card as we had before */
pcmcia_request_configuration(link->handle, &link->conf);
if (! test_bit(0, &card->hard_reset_in_progress)) {
err = orinoco_reinit_firmware(dev);
if (err) {
printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
dev->name, err);
break;
}
spin_lock_irqsave(&priv->lock, flags);
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && ! priv->hw_unavailable) {
err = __orinoco_up(dev);
if (err)
printk(KERN_ERR "%s: Error %d restarting card\n",
dev->name, err);
}
spin_unlock_irqrestore(&priv->lock, flags);
}
}
break;
}
return err;
} /* orinoco_cs_event */
static int
orinoco_cs_event(event_t event, int priority,
event_callback_args_t * args)
{
dev_link_t *link = args->client_data;
struct orinoco_private *priv = (struct orinoco_private *)link->priv;
struct net_device *dev = &priv->ndev;
TRACE_ENTER("orinoco");
switch (event) {
case CS_EVENT_CARD_REMOVAL:
/* FIXME: Erg.. this whole hw_ready thing looks racy
to me. this may not be fixable without changin the
PCMCIA subsystem, though */
priv->hw_ready = 0;
orinoco_shutdown(priv);
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG) {
netif_stop_queue(dev);
netif_device_detach(dev);
mod_timer(&link->release, jiffies + HZ / 20);
}
break;
case CS_EVENT_CARD_INSERTION:
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
orinoco_cs_config(link);
break;
case CS_EVENT_PM_SUSPEND:
link->state |= DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
orinoco_shutdown(priv);
/* Mark the device as stopped, to block IO until later */
if (link->state & DEV_CONFIG) {
if (link->open) {
netif_stop_queue(dev);
netif_device_detach(dev);
}
CardServices(ReleaseConfiguration, link->handle);
}
break;
case CS_EVENT_PM_RESUME:
link->state &= ~DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_CARD_RESET:
if (link->state & DEV_CONFIG) {
CardServices(RequestConfiguration, link->handle,
&link->conf);
if (link->open) {
if (orinoco_reset(priv) == 0) {
netif_device_attach(dev);
netif_start_queue(dev);
} else {
printk(KERN_ERR "%s: Error resetting device on PCMCIA event\n",
dev->name);
orinoco_cs_stop(dev);
}
}
}
/*
In a normal driver, additional code may go here to restore
the device state and restart IO.
*/
break;
}
TRACE_EXIT("orinoco");
return 0;
} /* orinoco_cs_event */