static int
altera_avgen_fdt_attach(device_t dev)
{
struct altera_avgen_softc *sc;
char *str_fileio, *str_mmapio;
char *str_devname;
phandle_t node;
pcell_t cell;
int devunit, error;
sc = device_get_softc(dev);
sc->avg_dev = dev;
sc->avg_unit = device_get_unit(dev);
/*
* Query driver-specific OpenFirmware properties to determine how to
* expose the device via /dev.
*/
str_fileio = NULL;
str_mmapio = NULL;
str_devname = NULL;
devunit = -1;
sc->avg_width = 1;
node = ofw_bus_get_node(dev);
if (OF_getprop(node, "sri-cambridge,width", &cell, sizeof(cell)) > 0)
sc->avg_width = cell;
(void)OF_getprop_alloc(node, "sri-cambridge,fileio", sizeof(char),
(void **)&str_fileio);
(void)OF_getprop_alloc(node, "sri-cambridge,mmapio", sizeof(char),
(void **)&str_mmapio);
(void)OF_getprop_alloc(node, "sri-cambridge,devname", sizeof(char),
(void **)&str_devname);
if (OF_getprop(node, "sri-cambridge,devunit", &cell, sizeof(cell)) > 0)
devunit = cell;
/* Memory allocation and checking. */
sc->avg_rid = 0;
sc->avg_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&sc->avg_rid, RF_ACTIVE);
if (sc->avg_res == NULL) {
device_printf(dev, "couldn't map memory\n");
return (ENXIO);
}
error = altera_avgen_attach(sc, str_fileio, str_mmapio, str_devname,
devunit);
if (error != 0)
bus_release_resource(dev, SYS_RES_MEMORY, sc->avg_rid,
sc->avg_res);
if (str_fileio != NULL)
free(str_fileio, M_OFWPROP);
if (str_mmapio != NULL)
free(str_mmapio, M_OFWPROP);
if (str_devname != NULL)
free(str_devname, M_OFWPROP);
return (error);
}
static int
altera_avgen_nexus_attach(device_t dev)
{
struct altera_avgen_softc *sc;
const char *str_fileio, *str_geomio, *str_mmapio;
const char *str_devname;
int devunit, error;
sc = device_get_softc(dev);
sc->avg_dev = dev;
sc->avg_unit = device_get_unit(dev);
/*
* Query non-standard hints to find out what operations are permitted
* on the device, and whether it is cached.
*/
str_fileio = NULL;
str_geomio = NULL;
str_mmapio = NULL;
str_devname = NULL;
devunit = -1;
sc->avg_width = 1;
error = resource_int_value(device_get_name(dev), device_get_unit(dev),
ALTERA_AVALON_STR_WIDTH, &sc->avg_width);
if (error != 0 && error != ENOENT) {
device_printf(dev, "invalid %s\n", ALTERA_AVALON_STR_WIDTH);
return (error);
}
(void)resource_string_value(device_get_name(dev),
device_get_unit(dev), ALTERA_AVALON_STR_FILEIO, &str_fileio);
(void)resource_string_value(device_get_name(dev),
device_get_unit(dev), ALTERA_AVALON_STR_GEOMIO, &str_geomio);
(void)resource_string_value(device_get_name(dev),
device_get_unit(dev), ALTERA_AVALON_STR_MMAPIO, &str_mmapio);
(void)resource_string_value(device_get_name(dev),
device_get_unit(dev), ALTERA_AVALON_STR_DEVNAME, &str_devname);
(void)resource_int_value(device_get_name(dev), device_get_unit(dev),
ALTERA_AVALON_STR_DEVUNIT, &devunit);
/* Memory allocation and checking. */
sc->avg_rid = 0;
sc->avg_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&sc->avg_rid, RF_ACTIVE);
if (sc->avg_res == NULL) {
device_printf(dev, "couldn't map memory\n");
return (ENXIO);
}
error = altera_avgen_attach(sc, str_fileio, str_geomio, str_mmapio,
str_devname, devunit);
if (error != 0)
bus_release_resource(dev, SYS_RES_MEMORY, sc->avg_rid,
sc->avg_res);
return (error);
}
