int
isa_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
#ifdef PC98
/*
* Indirection support. The type of bus_space_handle_t is
* defined in sys/i386/include/bus_pc98.h.
*/
int i;
bus_space_handle_t bh;
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
bh = rman_get_bushandle(r);
if (bh != NULL) {
for (i = 1; i < bh->bsh_ressz; i++)
resource_list_release(rl, bus, child, type,
rid + i, bh->bsh_res[i]);
if (bh->bsh_res != NULL)
free(bh->bsh_res, M_DEVBUF);
}
}
#endif
return resource_list_release(rl, bus, child, type, rid, r);
}
static int
ebus_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct resource_list *rl;
struct resource_list_entry *rle;
int passthrough = (device_get_parent(child) != bus);
int rv;
rl = BUS_GET_RESOURCE_LIST(bus, child);
switch (type) {
case SYS_RES_MEMORY:
if ((rv = rman_release_resource(res)) != 0)
return (rv);
if (!passthrough) {
rle = resource_list_find(rl, type, rid);
KASSERT(rle != NULL, ("ebus_release_resource: "
"resource entry not found!"));
KASSERT(rle->res != NULL, ("ebus_alloc_resource: "
"resource entry is not busy"));
rle->res = NULL;
}
break;
case SYS_RES_IRQ:
return (resource_list_release(rl, bus, child, type, rid, res));
default:
panic("ebus_release_resource: unsupported resource type %d",
type);
}
return (0);
}
int
isa_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
int passthrough = (device_get_parent(child) != bus);
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
struct resource_list_entry *rle;
int error;
if (type != SYS_RES_IRQ)
return resource_list_release(rl, bus, child, type, rid, res);
error = rman_release_resource(res);
if (!passthrough && !error) {
rle = resource_list_find(rl, SYS_RES_IRQ, rid);
if (rle)
rle->res = NULL;
else
error = ENOENT;
}
return error;
}
static int
sbus_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct resource_list *rl;
struct resource_list_entry *rle;
int error, passthrough;
passthrough = (device_get_parent(child) != bus);
rl = BUS_GET_RESOURCE_LIST(bus, child);
if (type == SYS_RES_MEMORY) {
if ((rman_get_flags(r) & RF_ACTIVE) != 0) {
error = bus_deactivate_resource(child, type, rid, r);
if (error)
return (error);
}
error = rman_release_resource(r);
if (error != 0)
return (error);
if (!passthrough) {
rle = resource_list_find(rl, type, rid);
KASSERT(rle != NULL,
("%s: resource entry not found!", __func__));
KASSERT(rle->res != NULL,
("%s: resource entry is not busy", __func__));
rle->res = NULL;
}
return (0);
}
return (resource_list_release(rl, bus, child, type, rid, r));
}
static int
sbus_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct resource_list *rl;
struct resource_list_entry *rle;
int error, passthrough;
passthrough = (device_get_parent(child) != bus);
rl = BUS_GET_RESOURCE_LIST(bus, child);
if (type == SYS_RES_IRQ)
return (resource_list_release(rl, bus, child, type, rid, r));
if ((rman_get_flags(r) & RF_ACTIVE) != 0) {
error = bus_deactivate_resource(child, type, rid, r);
if (error != 0)
return (error);
}
error = rman_release_resource(r);
if (error != 0 || passthrough)
return (error);
rle = resource_list_find(rl, type, rid);
if (rle == NULL)
panic("%s: cannot find resource", __func__);
if (rle->res == NULL)
panic("%s: resource entry is not busy", __func__);
rle->res = NULL;
return (0);
}
int
isa_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
return resource_list_release(rl, bus, child, type, rid, r);
}
static int
pccard_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct pccard_devinfo *devi = PCCARD_DEVINFO(child);
struct resource_list *rl = &devi->resources;
return resource_list_release(rl, bus, child, type, rid, r);
}
/*
* Indirection support. The type of bus_space_handle_t is
* defined in sys/i386/include/bus_pc98.h.
*/
struct resource *
isa_alloc_resourcev(device_t child, int type, int *rid,
bus_addr_t *res, bus_size_t count, u_int flags)
{
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
device_t bus = device_get_parent(child);
bus_addr_t start;
bus_space_handle_t bh;
struct resource *re;
struct resource **bsre;
int i, j, k, linear_cnt, ressz, bsrid;
start = bus_get_resource_start(child, type, *rid);
linear_cnt = count;
ressz = 1;
for (i = 1; i < count; ++i) {
if (res[i] != res[i - 1] + 1) {
if (i < linear_cnt)
linear_cnt = i;
++ressz;
}
}
re = isa_alloc_resource(bus, child, type, rid,
start + res[0], start + res[linear_cnt - 1],
linear_cnt, flags);
if (re == NULL)
return NULL;
bsre = malloc(sizeof (struct resource *) * ressz, M_DEVBUF, M_NOWAIT);
if (bsre == NULL) {
resource_list_release(rl, bus, child, type, *rid, re);
return NULL;
}
bsre[0] = re;
for (i = linear_cnt, k = 1; i < count; i = j, k++) {
for (j = i + 1; j < count; j++) {
if (res[j] != res[j - 1] + 1)
break;
}
bsrid = *rid + k;
bsre[k] = isa_alloc_resource(bus, child, type, &bsrid,
start + res[i], start + res[j - 1], j - i, flags);
if (bsre[k] == NULL) {
for (k--; k >= 0; k--)
resource_list_release(rl, bus, child, type,
*rid + k, bsre[k]);
free(bsre, M_DEVBUF);
return NULL;
}
}
bh = rman_get_bushandle(re);
bh->bsh_res = bsre;
bh->bsh_ressz = ressz;
return re;
}
