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- Patch the 'skeleton' example driver to be more consistant with the new

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state of the world.
This commit is contained in:
Nate Williams 1997-10-26 21:01:44 +00:00
parent dba3870c10
commit 6794cb8989
1 changed files with 29 additions and 41 deletions
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70
sys/pccard/skel.c
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@ -37,9 +37,12 @@
#include <sys/exec.h>
#include <sys/lkm.h>
#include <sys/select.h>
#include <pccard/card.h>
#include <pccard/driver.h>
#include <pccard/slot.h>
/*
* This defines the lkm_misc module use by modload
* to define the module name.
@ -47,19 +50,19 @@
MOD_MISC( "skel")
static int skelintr(struct pccard_devinfo *); /* Interrupt handler */
static int skelinit(struct pccard_devinfo *); /* init device */
static void skelunload(struct pccard_devinfo *); /* Disable driver */
static void skelsuspend(struct pccard_devinfo *); /* Suspend driver */
static int skelinit(struct pccard_devinfo *, int); /* init device */
static int skelintr(struct pccard_devinfo *); /* Interrupt handler */
static struct pccard_drv skel_info =
{
static struct pccard_device skel_info = {
"skel",
skelintr,
skelunload,
skelsuspend,
skelinit,
};
skelunload,
skelintr,
0, /* Attributes - presently unused */
&net_imask /* Interrupt mask for device */
};
static int opened; /* Rather minimal device state... */
/*
@ -137,51 +140,36 @@ int ver;
/*
* Skeleton driver entry points for PCCARD configuration.
*/
/*
* Initialize the device.
*/
static int
skelinit(struct pccard_devinfo *devi)
{
if ((1 << devi->unit) & opened)
return(EBUSY);
opened |= 1 << devi->unit;
printf("skel%d: init\n", devi->unit);
printf("iomem = 0x%x, iobase = 0x%x\n", devi->memory, devi->ioaddr);
return(0);
}
/*
* The device entry is being removed. Shut it down,
* and turn off interrupts etc. Not called unless
* the device was successfully installed.
*/
static void
skelunload(struct pccard_devinfo *dp)
skelunload(struct pccard_devinfo *devi)
{
printf("skel%d: unload\n", dp->unit);
opened &= ~(1 << dp->unit);
}
/*
* Called when a power down is wanted. Shuts down the
* device and configures the device as unavailable (but
* still loaded...). A resume is done by calling
* skelinit with first=0.
*/
static void
skelsuspend(struct pccard_devinfo *dp)
{
printf("skel%d: suspending\n", dp->unit);
}
/*
* Initialize the device.
* if first is set, then initially check for
* the device's existence before initialising it.
* Once initialised, the device table may be set up.
*/
static int
skelinit(struct pccard_devinfo *dp, int first)
{
if (first && ((1 << dp->unit)&opened))
return(EBUSY);
if (first)
opened |= 1 << dp->unit;
printf("skel%d: init, first = %d\n", dp->unit, first);
printf("iomem = 0x%x, iobase = 0x%x\n", dp->memory, dp->ioaddr);
return(0);
printf("skel%d: unload\n", devi->unit);
opened &= ~(1 << devi->unit);
}
/*
* Interrupt handler.
* Returns true if the interrupt is for us.
*/
static int
skelintr(struct pccard_devinfo *dp)
skelintr(struct pccard_devinfo *devi)
{
return(0);
}