Differential D5075 Diff 12738 head/sys/dev/scc/scc_core.c

Changeset View

Standalone View

head/sys/dev/scc/scc_core.c

Show First 20 Lines • Show All 97 Lines • ▼ Show 20 Lines
{		{
struct resource_list_entry *rle;		struct resource_list_entry *rle;
struct scc_chan *ch;		struct scc_chan *ch;
struct scc_class *cl;		struct scc_class *cl;
struct scc_mode *m;		struct scc_mode *m;
struct scc_softc sc, sc0;		struct scc_softc sc, sc0;
const char *sep;		const char *sep;
bus_space_handle_t bh;		bus_space_handle_t bh;
u_long base, size, start, sz;		rman_res_t base, size, start, sz;
int c, error, mode, sysdev;		int c, error, mode, sysdev;

/*		/*
* The sc_class field defines the type of SCC we're going to work		* The sc_class field defines the type of SCC we're going to work
* with and thus the size of the softc. Replace the generic softc		* with and thus the size of the softc. Replace the generic softc
* with one that matches the SCC now that we're certain we handle		* with one that matches the SCC now that we're certain we handle
* the device.		* the device.
*/		*/
▲ Show 20 Lines • Show All 287 Lines • ▼ Show 20 Lines	scc_bfe_probe(device_t dev, u_int regshft, u_int rclk, u_int rid)

error = SCC_PROBE(sc);		error = SCC_PROBE(sc);
bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);		bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);
return ((error == 0) ? BUS_PROBE_DEFAULT : error);		return ((error == 0) ? BUS_PROBE_DEFAULT : error);
}		}

struct resource *		struct resource *
scc_bus_alloc_resource(device_t dev, device_t child, int type, int *rid,		scc_bus_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)		rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{		{
struct resource_list_entry *rle;		struct resource_list_entry *rle;
struct scc_chan *ch;		struct scc_chan *ch;
struct scc_mode *m;		struct scc_mode *m;

if (device_get_parent(child) != dev)		if (device_get_parent(child) != dev)
return (NULL);		return (NULL);

/* We only support default allocations. */		/* We only support default allocations. */
if (start != 0UL \|\| end != ~0UL)		if (start != 0UL \|\| end != ~0UL)
return (NULL);		return (NULL);

m = device_get_ivars(child);		m = device_get_ivars(child);
ch = m->m_chan;		ch = m->m_chan;
rle = resource_list_find(&ch->ch_rlist, type, 0);		rle = resource_list_find(&ch->ch_rlist, type, 0);
if (rle == NULL)		if (rle == NULL)
return (NULL);		return (NULL);
*rid = 0;		*rid = 0;
return (rle->res);		return (rle->res);
}		}

int		int
scc_bus_get_resource(device_t dev, device_t child, int type, int rid,		scc_bus_get_resource(device_t dev, device_t child, int type, int rid,
u_long startp, u_long countp)		rman_res_t startp, rman_res_t countp)
{		{
struct resource_list_entry *rle;		struct resource_list_entry *rle;
struct scc_chan *ch;		struct scc_chan *ch;
struct scc_mode *m;		struct scc_mode *m;

if (device_get_parent(child) != dev)		if (device_get_parent(child) != dev)
return (EINVAL);		return (EINVAL);

▲ Show 20 Lines • Show All 142 Lines • Show Last 20 Lines