#include "8255.h"
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
return 0;
};
-/* PCMCIA crap -- watch your words! */
-
static void dio24_config(struct pcmcia_device *link);
static void dio24_release(struct pcmcia_device *link);
static int dio24_cs_suspend(struct pcmcia_device *p_dev);
static int dio24_cs_resume(struct pcmcia_device *p_dev);
-/*
- 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 int dio24_cs_attach(struct pcmcia_device *);
static void dio24_cs_detach(struct pcmcia_device *);
-/*
- You'll also need to prototype all the functions that will actually
- be used to talk to your device. See 'memory_cs' for a good example
- of a fully self-sufficient driver; the other drivers rely more or
- less on other parts of the kernel.
-*/
-
struct local_info_t {
struct pcmcia_device *link;
int stop;
struct bus_operations *bus;
};
-/*======================================================================
-
- dio24_cs_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 int dio24_cs_attach(struct pcmcia_device *link)
{
struct local_info_t *local;
local->link = link;
link->priv = local;
- /*
- 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;
-
pcmcia_cur_dev = link;
dio24_config(link);
return 0;
} /* dio24_cs_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 dio24_cs_detach(struct pcmcia_device *link)
{
} /* dio24_cs_detach */
-/*======================================================================
-
- dio24_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.
-
-======================================================================*/
-
static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev,
- cistpl_cftable_entry_t *cfg,
- cistpl_cftable_entry_t *dflt,
- unsigned int vcc,
void *priv_data)
{
- if (cfg->index == 0)
- return -ENODEV;
-
- /* Does this card need audio output? */
- if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
- p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
- p_dev->conf.Status = CCSR_AUDIO_ENA;
- }
-
- /* Do we need to allocate an interrupt? */
- p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
-
- /* IO window settings */
- p_dev->resource[0]->end = p_dev->resource[1]->end = 0;
- if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
- p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK;
- p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
- p_dev->resource[0]->flags |=
- pcmcia_io_cfg_data_width(io->flags);
- p_dev->resource[0]->start = io->win[0].base;
- p_dev->resource[0]->end = io->win[0].len;
- if (io->nwin > 1) {
- p_dev->resource[1]->flags = p_dev->resource[0]->flags;
- p_dev->resource[1]->start = io->win[1].base;
- p_dev->resource[1]->end = io->win[1].len;
- }
- /* This reserves IO space but doesn't actually enable it */
- if (pcmcia_request_io(p_dev) != 0)
- return -ENODEV;
- }
+ if (p_dev->config_index == 0)
+ return -EINVAL;
- /* If we got this far, we're cool! */
- return 0;
+ return pcmcia_request_io(p_dev);
}
static void dio24_config(struct pcmcia_device *link)
dev_dbg(&link->dev, "dio24_config\n");
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_AUDIO |
+ CONF_AUTO_SET_IO;
+
ret = pcmcia_loop_config(link, dio24_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
if (!link->irq)
goto 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.
- */
- ret = pcmcia_request_configuration(link, &link->conf);
+ ret = pcmcia_enable_device(link);
if (ret)
goto failed;
- /* Finally, report what we've done */
- dev_info(&link->dev, "index 0x%02x", link->conf.ConfigIndex);
- if (link->conf.Attributes & CONF_ENABLE_IRQ)
- printk(", irq %d", link->irq);
- if (link->resource[0])
- printk(" & %pR", link->resource[0]);
- if (link->resource[1])
- printk(" & %pR", link->resource[1]);
- printk("\n");
-
return;
failed:
pcmcia_disable_device(link);
} /* dio24_release */
-/*======================================================================
-
- 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 dio24_cs_suspend(struct pcmcia_device *link)
{
struct local_info_t *local = link->priv;
.resume = dio24_cs_resume,
.id_table = dio24_cs_ids,
.owner = THIS_MODULE,
- .drv = {
- .name = "ni_daq_dio24",
- },
+ .name = "ni_daq_dio24",
};
static int __init init_dio24_cs(void)
projects / mv-sheeva.git / blobdiff