/* status is kept in datastructure */
static u8
zr36060_read_status (struct zr36060 *ptr)
{
ptr->status = zr36060_read(ptr, ZR060_CFSR);
zr36060_read(ptr, 0);
return ptr->status;
}
static u16
zr36060_read_scalefactor (struct zr36060 *ptr)
{
ptr->scalefact = (zr36060_read(ptr, ZR060_SF_HI) << 8) |
(zr36060_read(ptr, ZR060_SF_LO) & 0xFF);
zr36060_read(ptr, 0);
return ptr->scalefact;
}
/* scale factor is kept in datastructure */
static u16
zr36060_read_scalefactor (struct zr36060 *ptr)
{
ptr->scalefact = (zr36060_read(ptr, ZR060_SF_HI) << 8) |
(zr36060_read(ptr, ZR060_SF_LO) & 0xFF);
/* leave 0 selected for an eventually GO from master */
zr36060_read(ptr, 0);
return ptr->scalefact;
}
static int
zr36060_basic_test (struct zr36060 *ptr)
{
if ((zr36060_read(ptr, ZR060_IDR_DEV) != 0x33) &&
(zr36060_read(ptr, ZR060_IDR_REV) != 0x01)) {
dprintk(1,
KERN_ERR
"%s: attach failed, can't connect to jpeg processor!\n",
ptr->name);
return -ENXIO;
}
zr36060_wait_end(ptr);
if (ptr->status & ZR060_CFSR_Busy) {
dprintk(1,
KERN_ERR
"%s: attach failed, jpeg processor failed (end flag)!\n",
ptr->name);
return -EBUSY;
}
return 0;
}
