static void labpc_config(struct pcmcia_device *link)
{
int ret;
dev_dbg(&link->dev, "labpc_config\n");
link->config_flags |= CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ |
CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
ret = pcmcia_loop_config(link, labpc_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
goto failed;
}
if (!link->irq)
goto failed;
ret = pcmcia_enable_device(link);
if (ret)
goto failed;
return;
failed:
labpc_release(link);
} /* labpc_config */
static void labpc_cs_detach(struct pcmcia_device *link)
{
((struct local_info_t *)link->priv)->stop = 1;
labpc_release(link);
/* This points to the parent local_info_t struct (may be null) */
kfree(link->priv);
}
static void labpc_cs_detach(struct pcmcia_device *link)
{
dev_dbg(&link->dev, "labpc_cs_detach\n");
((struct local_info_t *)link->priv)->stop = 1;
labpc_release(link);
kfree(link->priv);
}
static void labpc_cs_detach(struct pcmcia_device *link)
{
dev_dbg(&link->dev, "labpc_cs_detach\n");
/*
If the device is currently configured and active, we won't
actually delete it yet. Instead, it is marked so that when
the release() function is called, that will trigger a proper
detach().
*/
((struct local_info_t *)link->priv)->stop = 1;
labpc_release(link);
/* This points to the parent local_info_t struct (may be null) */
kfree(link->priv);
} /* labpc_cs_detach */
static void labpc_cs_detach(struct pcmcia_device *link)
{
DEBUG(0, "labpc_cs_detach(0x%p)\n", link);
/*
If the device is currently configured and active, we won't
actually delete it yet. Instead, it is marked so that when
the release() function is called, that will trigger a proper
detach().
*/
if (link->dev_node) {
((struct local_info_t *) link->priv)->stop = 1;
labpc_release(link);
}
/* This points to the parent local_info_t struct */
if (link->priv)
kfree(link->priv);
} /* labpc_cs_detach */
static void labpc_config(struct pcmcia_device *link)
{
struct local_info_t *dev = link->priv;
tuple_t tuple;
cisparse_t parse;
int last_ret;
u_char buf[64];
win_req_t req;
memreq_t map;
cistpl_cftable_entry_t dflt = { 0 };
DEBUG(0, "labpc_config(0x%p)\n", link);
/*
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;
last_ret = pcmcia_get_first_tuple(link, &tuple);
if (last_ret) {
cs_error(link, GetFirstTuple, last_ret);
goto cs_failed;
}
last_ret = pcmcia_get_tuple_data(link, &tuple);
if (last_ret) {
cs_error(link, GetTupleData, last_ret);
goto cs_failed;
}
last_ret = pcmcia_parse_tuple(&tuple, &parse);
if (last_ret) {
cs_error(link, ParseTuple, last_ret);
goto cs_failed;
}
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
/*
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;
last_ret = pcmcia_get_first_tuple(link, &tuple);
if (last_ret) {
cs_error(link, GetFirstTuple, last_ret);
goto cs_failed;
}
while (1) {
cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
if (pcmcia_get_tuple_data(link, &tuple))
goto next_entry;
if (pcmcia_parse_tuple(&tuple, &parse))
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;
}
/* 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_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, &link->io))
goto next_entry;
}
if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
cistpl_mem_t *mem =
(cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
req.Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
req.Attributes |= WIN_ENABLE;
req.Base = mem->win[0].host_addr;
req.Size = mem->win[0].len;
if (req.Size < 0x1000)
req.Size = 0x1000;
req.AccessSpeed = 0;
link->win = (window_handle_t) link;
if (pcmcia_request_window(&link, &req, &link->win))
goto next_entry;
map.Page = 0;
map.CardOffset = mem->win[0].card_addr;
if (pcmcia_map_mem_page(link->win, &map))
goto next_entry;
}
/* If we got this far, we're cool! */
break;
next_entry:
last_ret = pcmcia_get_next_tuple(link, &tuple);
if (last_ret) {
cs_error(link, GetNextTuple, last_ret);
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.
*/
if (link->conf.Attributes & CONF_ENABLE_IRQ) {
last_ret = pcmcia_request_irq(link, &link->irq);
if (last_ret) {
cs_error(link, RequestIRQ, last_ret);
goto cs_failed;
}
}
/*
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.
*/
last_ret = pcmcia_request_configuration(link, &link->conf);
if (last_ret) {
cs_error(link, RequestConfiguration, last_ret);
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.
*/
sprintf(dev->node.dev_name, "daqcard-1200");
dev->node.major = dev->node.minor = 0;
link->dev_node = &dev->node;
/* Finally, report what we've done */
printk(KERN_INFO "%s: index 0x%02x",
dev->node.dev_name, link->conf.ConfigIndex);
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);
if (link->win)
printk(", mem 0x%06lx-0x%06lx", req.Base,
req.Base + req.Size - 1);
printk("\n");
return;
cs_failed:
labpc_release(link);
} /* labpc_config */
