Lines Matching +full:sys +full:- +full:syscon
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/bus.h>
32 #include <sys/kernel.h>
33 #include <sys/lock.h>
34 #include <sys/module.h>
35 #include <sys/mutex.h>
36 #include <sys/rman.h>
53 #include <dev/syscon/syscon.h>
57 static uint32_t simple_mfd_syscon_read_4(struct syscon *syscon,
59 static int simple_mfd_syscon_write_4(struct syscon *syscon, bus_size_t offset,
61 static int simple_mfd_syscon_modify_4(struct syscon *syscon, bus_size_t offset,
64 #define SYSCON_LOCK(_sc) mtx_lock_spin(&(_sc)->mtx)
65 #define SYSCON_UNLOCK(_sc) mtx_unlock_spin(&(_sc)->mtx)
66 #define SYSCON_LOCK_INIT(_sc) mtx_init(&(_sc)->mtx, \
67 device_get_nameunit((_sc)->dev), "syscon", MTX_SPIN)
68 #define SYSCON_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->mtx);
69 #define SYSCON_ASSERT_LOCKED(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED);
70 #define SYSCON_ASSERT_UNLOCKED(_sc) mtx_assert(&(_sc)->mtx, MA_NOTOWNED);
83 simple_mfd_syscon_read_4(struct syscon *syscon, bus_size_t offset)
88 sc = device_get_softc(syscon->pdev);
90 val = bus_read_4(sc->mem_res, offset);
95 simple_mfd_syscon_write_4(struct syscon *syscon, bus_size_t offset,
100 sc = device_get_softc(syscon->pdev);
102 bus_write_4(sc->mem_res, offset, val);
107 simple_mfd_syscon_modify_4(struct syscon *syscon, bus_size_t offset,
113 sc = device_get_softc(syscon->pdev);
115 val = bus_read_4(sc->mem_res, offset);
118 bus_write_4(sc->mem_res, offset, val);
123 simple_mfd_syscon_get_handle(device_t dev, struct syscon **syscon)
128 *syscon = sc->syscon;
129 if (*syscon == NULL)
158 if (!ofw_bus_is_compatible(dev, "simple-mfd"))
161 device_set_desc(dev, "Simple MFD (Multi-Functions Device)");
176 sc->dev = dev;
179 /* Parse address-cells and size-cells from the parent node as a fallback */
180 if (OF_getencprop(node, "#address-cells", &sc->sc.acells,
181 sizeof(sc->sc.acells)) == -1) {
182 if (OF_getencprop(OF_parent(node), "#address-cells", &sc->sc.acells,
183 sizeof(sc->sc.acells)) == -1) {
184 sc->sc.acells = 2;
187 if (OF_getencprop(node, "#size-cells", &sc->sc.scells,
188 sizeof(sc->sc.scells)) == -1) {
189 if (OF_getencprop(OF_parent(node), "#size-cells", &sc->sc.scells,
190 sizeof(sc->sc.scells)) == -1) {
191 sc->sc.scells = 1;
197 if (simplebus_fill_ranges(node, &sc->sc) < 0) {
205 (void)simple_mfd_add_device(dev, child, 0, NULL, -1, NULL);
208 if (ofw_bus_is_compatible(dev, "syscon")) {
209 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
211 if (sc->mem_res == NULL) {
218 sc->syscon = syscon_create_ofw_node(dev,
220 if (sc->syscon == NULL) {
222 "Failed to create/register syscon\n");
236 if (ofw_bus_is_compatible(dev, "syscon")) {
237 if (sc->syscon != NULL) {
238 syscon_unregister(sc->syscon);
239 free(sc->syscon, M_SYSCON);
244 if (sc->mem_res != NULL)
246 sc->mem_res);
263 if (ofw_bus_gen_setup_devinfo(&ndi->obdinfo, node) != 0) {
270 resource_list_init(&ndi->rl);
271 ofw_bus_reg_to_rl(dev, OF_parent(node), sc->acells, sc->scells, &ndi->rl);
272 ofw_bus_intr_to_rl(dev, node, &ndi->rl, NULL);
289 ndi->obdinfo.obd_name);
290 resource_list_free(&ndi->rl);
291 ofw_bus_gen_destroy_devinfo(&ndi->obdinfo);
302 /* syscon interface */