Lines Matching refs:gc
83 static void gpiochip_free_hogs(struct gpio_chip *gc);
84 static int gpiochip_add_irqchip(struct gpio_chip *gc,
87 static void gpiochip_irqchip_remove(struct gpio_chip *gc);
88 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc);
89 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc);
90 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc);
141 struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, in gpiochip_get_desc() argument
144 struct gpio_device *gdev = gc->gpiodev; in gpiochip_get_desc()
215 struct gpio_chip *gc; in gpiod_get_direction() local
219 gc = gpiod_to_chip(desc); in gpiod_get_direction()
230 if (!gc->get_direction) in gpiod_get_direction()
233 ret = gc->get_direction(gc, offset); in gpiod_get_direction()
340 static int gpiochip_set_desc_names(struct gpio_chip *gc) in gpiochip_set_desc_names() argument
342 struct gpio_device *gdev = gc->gpiodev; in gpiochip_set_desc_names()
346 for (i = 0; i != gc->ngpio; ++i) { in gpiochip_set_desc_names()
349 gpio = gpio_name_to_desc(gc->names[i]); in gpiochip_set_desc_names()
353 gc->names[i]); in gpiochip_set_desc_names()
357 for (i = 0; i != gc->ngpio; ++i) in gpiochip_set_desc_names()
358 gdev->descs[i].name = gc->names[i]; in gpiochip_set_desc_names()
432 static unsigned long *gpiochip_allocate_mask(struct gpio_chip *gc) in gpiochip_allocate_mask() argument
436 p = bitmap_alloc(gc->ngpio, GFP_KERNEL); in gpiochip_allocate_mask()
441 bitmap_fill(p, gc->ngpio); in gpiochip_allocate_mask()
446 static int gpiochip_alloc_valid_mask(struct gpio_chip *gc) in gpiochip_alloc_valid_mask() argument
448 if (!(of_gpio_need_valid_mask(gc) || gc->init_valid_mask)) in gpiochip_alloc_valid_mask()
451 gc->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_alloc_valid_mask()
452 if (!gc->valid_mask) in gpiochip_alloc_valid_mask()
458 static int gpiochip_init_valid_mask(struct gpio_chip *gc) in gpiochip_init_valid_mask() argument
460 if (gc->init_valid_mask) in gpiochip_init_valid_mask()
461 return gc->init_valid_mask(gc, in gpiochip_init_valid_mask()
462 gc->valid_mask, in gpiochip_init_valid_mask()
463 gc->ngpio); in gpiochip_init_valid_mask()
468 static void gpiochip_free_valid_mask(struct gpio_chip *gc) in gpiochip_free_valid_mask() argument
470 bitmap_free(gc->valid_mask); in gpiochip_free_valid_mask()
471 gc->valid_mask = NULL; in gpiochip_free_valid_mask()
474 static int gpiochip_add_pin_ranges(struct gpio_chip *gc) in gpiochip_add_pin_ranges() argument
476 if (gc->add_pin_ranges) in gpiochip_add_pin_ranges()
477 return gc->add_pin_ranges(gc); in gpiochip_add_pin_ranges()
482 bool gpiochip_line_is_valid(const struct gpio_chip *gc, in gpiochip_line_is_valid() argument
486 if (likely(!gc->valid_mask)) in gpiochip_line_is_valid()
488 return test_bit(offset, gc->valid_mask); in gpiochip_line_is_valid()
544 static void gpiochip_machine_hog(struct gpio_chip *gc, struct gpiod_hog *hog) in gpiochip_machine_hog() argument
549 desc = gpiochip_get_desc(gc, hog->chip_hwnum); in gpiochip_machine_hog()
551 chip_err(gc, "%s: unable to get GPIO desc: %ld\n", __func__, in gpiochip_machine_hog()
562 __func__, gc->label, hog->chip_hwnum, rv); in gpiochip_machine_hog()
565 static void machine_gpiochip_add(struct gpio_chip *gc) in machine_gpiochip_add() argument
572 if (!strcmp(gc->label, hog->chip_label)) in machine_gpiochip_add()
573 gpiochip_machine_hog(gc, hog); in machine_gpiochip_add()
592 int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, in gpiochip_add_data_with_key() argument
596 struct fwnode_handle *fwnode = gc->parent ? dev_fwnode(gc->parent) : NULL; in gpiochip_add_data_with_key()
612 gdev->dev.parent = gc->parent; in gpiochip_add_data_with_key()
613 gdev->chip = gc; in gpiochip_add_data_with_key()
614 gc->gpiodev = gdev; in gpiochip_add_data_with_key()
616 of_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
617 acpi_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
636 if (gc->parent && gc->parent->driver) in gpiochip_add_data_with_key()
637 gdev->owner = gc->parent->driver->owner; in gpiochip_add_data_with_key()
638 else if (gc->owner) in gpiochip_add_data_with_key()
640 gdev->owner = gc->owner; in gpiochip_add_data_with_key()
648 ngpios = gc->ngpio; in gpiochip_add_data_with_key()
662 gc->ngpio = ngpios; in gpiochip_add_data_with_key()
665 if (gc->ngpio == 0) { in gpiochip_add_data_with_key()
666 chip_err(gc, "tried to insert a GPIO chip with zero lines\n"); in gpiochip_add_data_with_key()
671 if (gc->ngpio > FASTPATH_NGPIO) in gpiochip_add_data_with_key()
672 chip_warn(gc, "line cnt %u is greater than fast path cnt %u\n", in gpiochip_add_data_with_key()
673 gc->ngpio, FASTPATH_NGPIO); in gpiochip_add_data_with_key()
675 gdev->descs = kcalloc(gc->ngpio, sizeof(*gdev->descs), GFP_KERNEL); in gpiochip_add_data_with_key()
681 gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL); in gpiochip_add_data_with_key()
687 gdev->ngpio = gc->ngpio; in gpiochip_add_data_with_key()
699 base = gc->base; in gpiochip_add_data_with_key()
701 base = gpiochip_find_base(gc->ngpio); in gpiochip_add_data_with_key()
714 gc->base = base; in gpiochip_add_data_with_key()
724 for (i = 0; i < gc->ngpio; i++) in gpiochip_add_data_with_key()
736 if (gc->names) in gpiochip_add_data_with_key()
737 ret = gpiochip_set_desc_names(gc); in gpiochip_add_data_with_key()
739 ret = devprop_gpiochip_set_names(gc); in gpiochip_add_data_with_key()
743 ret = gpiochip_alloc_valid_mask(gc); in gpiochip_add_data_with_key()
747 ret = of_gpiochip_add(gc); in gpiochip_add_data_with_key()
751 ret = gpiochip_init_valid_mask(gc); in gpiochip_add_data_with_key()
755 for (i = 0; i < gc->ngpio; i++) { in gpiochip_add_data_with_key()
758 if (gc->get_direction && gpiochip_line_is_valid(gc, i)) { in gpiochip_add_data_with_key()
760 &desc->flags, !gc->get_direction(gc, i)); in gpiochip_add_data_with_key()
763 &desc->flags, !gc->direction_input); in gpiochip_add_data_with_key()
767 ret = gpiochip_add_pin_ranges(gc); in gpiochip_add_data_with_key()
771 acpi_gpiochip_add(gc); in gpiochip_add_data_with_key()
773 machine_gpiochip_add(gc); in gpiochip_add_data_with_key()
775 ret = gpiochip_irqchip_init_valid_mask(gc); in gpiochip_add_data_with_key()
779 ret = gpiochip_irqchip_init_hw(gc); in gpiochip_add_data_with_key()
783 ret = gpiochip_add_irqchip(gc, lock_key, request_key); in gpiochip_add_data_with_key()
803 gpiochip_irqchip_remove(gc); in gpiochip_add_data_with_key()
805 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_add_data_with_key()
807 gpiochip_free_hogs(gc); in gpiochip_add_data_with_key()
808 acpi_gpiochip_remove(gc); in gpiochip_add_data_with_key()
809 gpiochip_remove_pin_ranges(gc); in gpiochip_add_data_with_key()
811 of_gpiochip_remove(gc); in gpiochip_add_data_with_key()
813 gpiochip_free_valid_mask(gc); in gpiochip_add_data_with_key()
838 gc->label ? : "generic", ret); in gpiochip_add_data_with_key()
851 void *gpiochip_get_data(struct gpio_chip *gc) in gpiochip_get_data() argument
853 return gc->gpiodev->data; in gpiochip_get_data()
863 void gpiochip_remove(struct gpio_chip *gc) in gpiochip_remove() argument
865 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove()
873 gpiochip_free_hogs(gc); in gpiochip_remove()
876 gpiochip_irqchip_remove(gc); in gpiochip_remove()
877 acpi_gpiochip_remove(gc); in gpiochip_remove()
878 of_gpiochip_remove(gc); in gpiochip_remove()
879 gpiochip_remove_pin_ranges(gc); in gpiochip_remove()
880 gpiochip_free_valid_mask(gc); in gpiochip_remove()
889 if (gpiochip_is_requested(gc, i)) in gpiochip_remove()
922 int (*match)(struct gpio_chip *gc, in gpiochip_find() argument
926 struct gpio_chip *gc = NULL; in gpiochip_find() local
932 gc = gdev->chip; in gpiochip_find()
938 return gc; in gpiochip_find()
942 static int gpiochip_match_name(struct gpio_chip *gc, void *data) in gpiochip_match_name() argument
946 return !strcmp(gc->label, name); in gpiochip_match_name()
960 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
962 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_hw()
967 return girq->init_hw(gc); in gpiochip_irqchip_init_hw()
970 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
972 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_valid_mask()
977 girq->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_irqchip_init_valid_mask()
981 girq->init_valid_mask(gc, girq->valid_mask, gc->ngpio); in gpiochip_irqchip_init_valid_mask()
986 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
988 bitmap_free(gc->irq.valid_mask); in gpiochip_irqchip_free_valid_mask()
989 gc->irq.valid_mask = NULL; in gpiochip_irqchip_free_valid_mask()
992 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, in gpiochip_irqchip_irq_valid() argument
995 if (!gpiochip_line_is_valid(gc, offset)) in gpiochip_irqchip_irq_valid()
998 if (likely(!gc->irq.valid_mask)) in gpiochip_irqchip_irq_valid()
1000 return test_bit(offset, gc->irq.valid_mask); in gpiochip_irqchip_irq_valid()
1013 static void gpiochip_set_hierarchical_irqchip(struct gpio_chip *gc, in gpiochip_set_hierarchical_irqchip() argument
1017 if (is_of_node(gc->irq.fwnode)) in gpiochip_set_hierarchical_irqchip()
1028 if (is_fwnode_irqchip(gc->irq.fwnode)) { in gpiochip_set_hierarchical_irqchip()
1032 for (i = 0; i < gc->ngpio; i++) { in gpiochip_set_hierarchical_irqchip()
1036 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_hierarchical_irqchip()
1044 ret = girq->child_to_parent_hwirq(gc, i, in gpiochip_set_hierarchical_irqchip()
1049 chip_err(gc, "skip set-up on hwirq %d\n", in gpiochip_set_hierarchical_irqchip()
1054 fwspec.fwnode = gc->irq.fwnode; in gpiochip_set_hierarchical_irqchip()
1056 fwspec.param[0] = girq->child_offset_to_irq(gc, i); in gpiochip_set_hierarchical_irqchip()
1060 ret = __irq_domain_alloc_irqs(gc->irq.domain, in gpiochip_set_hierarchical_irqchip()
1069 chip_err(gc, in gpiochip_set_hierarchical_irqchip()
1077 chip_err(gc, "%s unknown fwnode type proceed anyway\n", __func__); in gpiochip_set_hierarchical_irqchip()
1110 struct gpio_chip *gc = d->host_data; in gpiochip_hierarchy_irq_domain_alloc() local
1117 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_hierarchy_irq_domain_alloc()
1126 ret = gc->irq.child_irq_domain_ops.translate(d, fwspec, &hwirq, &type); in gpiochip_hierarchy_irq_domain_alloc()
1130 chip_dbg(gc, "allocate IRQ %d, hwirq %lu\n", irq, hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1132 ret = girq->child_to_parent_hwirq(gc, hwirq, type, in gpiochip_hierarchy_irq_domain_alloc()
1135 chip_err(gc, "can't look up hwirq %lu\n", hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1138 chip_dbg(gc, "found parent hwirq %u\n", parent_hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1147 gc->irq.chip, in gpiochip_hierarchy_irq_domain_alloc()
1148 gc, in gpiochip_hierarchy_irq_domain_alloc()
1154 parent_arg = girq->populate_parent_alloc_arg(gc, parent_hwirq, parent_type); in gpiochip_hierarchy_irq_domain_alloc()
1158 chip_dbg(gc, "alloc_irqs_parent for %d parent hwirq %d\n", in gpiochip_hierarchy_irq_domain_alloc()
1160 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_hierarchy_irq_domain_alloc()
1169 chip_err(gc, in gpiochip_hierarchy_irq_domain_alloc()
1177 static unsigned int gpiochip_child_offset_to_irq_noop(struct gpio_chip *gc, in gpiochip_child_offset_to_irq_noop() argument
1199 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1201 if (!gc->irq.child_to_parent_hwirq || in gpiochip_hierarchy_add_domain()
1202 !gc->irq.fwnode) { in gpiochip_hierarchy_add_domain()
1203 chip_err(gc, "missing irqdomain vital data\n"); in gpiochip_hierarchy_add_domain()
1207 if (!gc->irq.child_offset_to_irq) in gpiochip_hierarchy_add_domain()
1208 gc->irq.child_offset_to_irq = gpiochip_child_offset_to_irq_noop; in gpiochip_hierarchy_add_domain()
1210 if (!gc->irq.populate_parent_alloc_arg) in gpiochip_hierarchy_add_domain()
1211 gc->irq.populate_parent_alloc_arg = in gpiochip_hierarchy_add_domain()
1214 gpiochip_hierarchy_setup_domain_ops(&gc->irq.child_irq_domain_ops); in gpiochip_hierarchy_add_domain()
1216 gc->irq.domain = irq_domain_create_hierarchy( in gpiochip_hierarchy_add_domain()
1217 gc->irq.parent_domain, in gpiochip_hierarchy_add_domain()
1219 gc->ngpio, in gpiochip_hierarchy_add_domain()
1220 gc->irq.fwnode, in gpiochip_hierarchy_add_domain()
1221 &gc->irq.child_irq_domain_ops, in gpiochip_hierarchy_add_domain()
1222 gc); in gpiochip_hierarchy_add_domain()
1224 if (!gc->irq.domain) in gpiochip_hierarchy_add_domain()
1227 gpiochip_set_hierarchical_irqchip(gc, gc->irq.chip); in gpiochip_hierarchy_add_domain()
1232 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1234 return !!gc->irq.parent_domain; in gpiochip_hierarchy_is_hierarchical()
1237 void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_twocell() argument
1247 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_twocell()
1256 void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_fourcell() argument
1266 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_fourcell()
1279 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1284 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1304 struct gpio_chip *gc = d->host_data; in gpiochip_irq_map() local
1307 if (!gpiochip_irqchip_irq_valid(gc, hwirq)) in gpiochip_irq_map()
1310 irq_set_chip_data(irq, gc); in gpiochip_irq_map()
1315 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_irq_map()
1316 irq_set_chip_and_handler(irq, gc->irq.chip, gc->irq.handler); in gpiochip_irq_map()
1318 if (gc->irq.threaded) in gpiochip_irq_map()
1322 if (gc->irq.num_parents == 1) in gpiochip_irq_map()
1323 ret = irq_set_parent(irq, gc->irq.parents[0]); in gpiochip_irq_map()
1324 else if (gc->irq.map) in gpiochip_irq_map()
1325 ret = irq_set_parent(irq, gc->irq.map[hwirq]); in gpiochip_irq_map()
1334 if (gc->irq.default_type != IRQ_TYPE_NONE) in gpiochip_irq_map()
1335 irq_set_irq_type(irq, gc->irq.default_type); in gpiochip_irq_map()
1343 struct gpio_chip *gc = d->host_data; in gpiochip_irq_unmap() local
1345 if (gc->irq.threaded) in gpiochip_irq_unmap()
1377 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_activate() local
1379 return gpiochip_lock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_activate()
1395 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_deactivate() local
1397 return gpiochip_unlock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_deactivate()
1401 static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_to_irq() argument
1403 struct irq_domain *domain = gc->irq.domain; in gpiochip_to_irq()
1411 if (!gc->irq.initialized) in gpiochip_to_irq()
1415 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_to_irq()
1424 spec.param[0] = gc->irq.child_offset_to_irq(gc, offset); in gpiochip_to_irq()
1436 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_reqres() local
1438 return gpiochip_reqres_irq(gc, d->hwirq); in gpiochip_irq_reqres()
1443 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_relres() local
1445 gpiochip_relres_irq(gc, d->hwirq); in gpiochip_irq_relres()
1450 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_mask() local
1452 if (gc->irq.irq_mask) in gpiochip_irq_mask()
1453 gc->irq.irq_mask(d); in gpiochip_irq_mask()
1454 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_mask()
1459 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_unmask() local
1461 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_unmask()
1462 if (gc->irq.irq_unmask) in gpiochip_irq_unmask()
1463 gc->irq.irq_unmask(d); in gpiochip_irq_unmask()
1468 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_enable() local
1470 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_enable()
1471 gc->irq.irq_enable(d); in gpiochip_irq_enable()
1476 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_disable() local
1478 gc->irq.irq_disable(d); in gpiochip_irq_disable()
1479 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_disable()
1482 static void gpiochip_set_irq_hooks(struct gpio_chip *gc) in gpiochip_set_irq_hooks() argument
1484 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_set_irq_hooks()
1491 if (WARN_ON(gc->irq.irq_enable)) in gpiochip_set_irq_hooks()
1500 chip_info(gc, in gpiochip_set_irq_hooks()
1506 gc->irq.irq_disable = irqchip->irq_disable; in gpiochip_set_irq_hooks()
1509 gc->irq.irq_mask = irqchip->irq_mask; in gpiochip_set_irq_hooks()
1514 gc->irq.irq_enable = irqchip->irq_enable; in gpiochip_set_irq_hooks()
1517 gc->irq.irq_unmask = irqchip->irq_unmask; in gpiochip_set_irq_hooks()
1528 static int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1532 struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev); in gpiochip_add_irqchip()
1533 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_add_irqchip()
1540 if (gc->irq.parent_handler && gc->can_sleep) { in gpiochip_add_irqchip()
1541 chip_err(gc, "you cannot have chained interrupts on a chip that may sleep\n"); in gpiochip_add_irqchip()
1545 type = gc->irq.default_type; in gpiochip_add_irqchip()
1556 if (gc->to_irq) in gpiochip_add_irqchip()
1557 chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__); in gpiochip_add_irqchip()
1559 gc->to_irq = gpiochip_to_irq; in gpiochip_add_irqchip()
1560 gc->irq.default_type = type; in gpiochip_add_irqchip()
1561 gc->irq.lock_key = lock_key; in gpiochip_add_irqchip()
1562 gc->irq.request_key = request_key; in gpiochip_add_irqchip()
1565 if (gpiochip_hierarchy_is_hierarchical(gc)) { in gpiochip_add_irqchip()
1566 int ret = gpiochip_hierarchy_add_domain(gc); in gpiochip_add_irqchip()
1571 gc->irq.domain = irq_domain_create_simple(fwnode, in gpiochip_add_irqchip()
1572 gc->ngpio, in gpiochip_add_irqchip()
1573 gc->irq.first, in gpiochip_add_irqchip()
1574 gc->irq.domain_ops ?: &gpiochip_domain_ops, in gpiochip_add_irqchip()
1575 gc); in gpiochip_add_irqchip()
1576 if (!gc->irq.domain) in gpiochip_add_irqchip()
1580 if (gc->irq.parent_handler) { in gpiochip_add_irqchip()
1581 void *data = gc->irq.parent_handler_data ?: gc; in gpiochip_add_irqchip()
1583 for (i = 0; i < gc->irq.num_parents; i++) { in gpiochip_add_irqchip()
1589 irq_set_chained_handler_and_data(gc->irq.parents[i], in gpiochip_add_irqchip()
1590 gc->irq.parent_handler, in gpiochip_add_irqchip()
1595 gpiochip_set_irq_hooks(gc); in gpiochip_add_irqchip()
1604 gc->irq.initialized = true; in gpiochip_add_irqchip()
1606 acpi_gpiochip_request_interrupts(gc); in gpiochip_add_irqchip()
1617 static void gpiochip_irqchip_remove(struct gpio_chip *gc) in gpiochip_irqchip_remove() argument
1619 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_irqchip_remove()
1622 acpi_gpiochip_free_interrupts(gc); in gpiochip_irqchip_remove()
1624 if (irqchip && gc->irq.parent_handler) { in gpiochip_irqchip_remove()
1625 struct gpio_irq_chip *irq = &gc->irq; in gpiochip_irqchip_remove()
1634 if (gc->irq.domain) { in gpiochip_irqchip_remove()
1637 for (offset = 0; offset < gc->ngpio; offset++) { in gpiochip_irqchip_remove()
1638 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_irqchip_remove()
1641 irq = irq_find_mapping(gc->irq.domain, offset); in gpiochip_irqchip_remove()
1645 irq_domain_remove(gc->irq.domain); in gpiochip_irqchip_remove()
1654 irqchip->irq_enable = gc->irq.irq_enable; in gpiochip_irqchip_remove()
1655 irqchip->irq_disable = gc->irq.irq_disable; in gpiochip_irqchip_remove()
1658 gc->irq.irq_enable = NULL; in gpiochip_irqchip_remove()
1659 gc->irq.irq_disable = NULL; in gpiochip_irqchip_remove()
1660 gc->irq.chip = NULL; in gpiochip_irqchip_remove()
1662 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_irqchip_remove()
1672 int gpiochip_irqchip_add_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_domain() argument
1678 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_domain()
1679 gc->irq.domain = domain; in gpiochip_irqchip_add_domain()
1687 static inline int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1693 static void gpiochip_irqchip_remove(struct gpio_chip *gc) {} in gpiochip_irqchip_remove() argument
1695 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1700 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1704 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1714 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_request() argument
1717 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_request()
1721 return pinctrl_gpio_request(gc->gpiodev->base + offset); in gpiochip_generic_request()
1730 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_free() argument
1733 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_free()
1737 pinctrl_gpio_free(gc->gpiodev->base + offset); in gpiochip_generic_free()
1747 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset, in gpiochip_generic_config() argument
1750 return pinctrl_gpio_set_config(gc->gpiodev->base + offset, config); in gpiochip_generic_config()
1768 int gpiochip_add_pingroup_range(struct gpio_chip *gc, in gpiochip_add_pingroup_range() argument
1773 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pingroup_range()
1778 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pingroup_range()
1784 pin_range->range.gc = gc; in gpiochip_add_pingroup_range()
1785 pin_range->range.name = gc->label; in gpiochip_add_pingroup_range()
1799 chip_dbg(gc, "created GPIO range %d->%d ==> %s PINGRP %s\n", in gpiochip_add_pingroup_range()
1826 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name, in gpiochip_add_pin_range() argument
1831 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pin_range()
1836 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pin_range()
1842 pin_range->range.gc = gc; in gpiochip_add_pin_range()
1843 pin_range->range.name = gc->label; in gpiochip_add_pin_range()
1851 chip_err(gc, "could not create pin range\n"); in gpiochip_add_pin_range()
1855 chip_dbg(gc, "created GPIO range %d->%d ==> %s PIN %d->%d\n", in gpiochip_add_pin_range()
1870 void gpiochip_remove_pin_ranges(struct gpio_chip *gc) in gpiochip_remove_pin_ranges() argument
1873 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove_pin_ranges()
1892 struct gpio_chip *gc = desc->gdev->chip; in gpiod_request_commit() local
1916 if (gc->request) { in gpiod_request_commit()
1920 if (gpiochip_line_is_valid(gc, offset)) in gpiod_request_commit()
1921 ret = gc->request(gc, offset); in gpiod_request_commit()
1932 if (gc->get_direction) { in gpiod_request_commit()
2011 struct gpio_chip *gc; in gpiod_free_commit() local
2019 gc = desc->gdev->chip; in gpiod_free_commit()
2020 if (gc && test_bit(FLAG_REQUESTED, &desc->flags)) { in gpiod_free_commit()
2021 if (gc->free) { in gpiod_free_commit()
2023 might_sleep_if(gc->can_sleep); in gpiod_free_commit()
2024 gc->free(gc, gpio_chip_hwgpio(desc)); in gpiod_free_commit()
2078 const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned int offset) in gpiochip_is_requested() argument
2082 desc = gpiochip_get_desc(gc, offset); in gpiochip_is_requested()
2113 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, in gpiochip_request_own_desc() argument
2119 struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum); in gpiochip_request_own_desc()
2123 chip_err(gc, "failed to get GPIO descriptor\n"); in gpiochip_request_own_desc()
2133 chip_err(gc, "setup of own GPIO %s failed\n", label); in gpiochip_request_own_desc()
2166 static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, in gpio_do_set_config() argument
2169 if (!gc->set_config) in gpio_do_set_config()
2172 return gc->set_config(gc, offset, config); in gpio_do_set_config()
2179 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_config_with_argument() local
2183 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpio_set_config_with_argument()
2270 struct gpio_chip *gc; in gpiod_direction_input() local
2274 gc = desc->gdev->chip; in gpiod_direction_input()
2281 if (!gc->get && gc->direction_input) { in gpiod_direction_input()
2294 if (gc->direction_input) { in gpiod_direction_input()
2295 ret = gc->direction_input(gc, gpio_chip_hwgpio(desc)); in gpiod_direction_input()
2296 } else if (gc->get_direction && in gpiod_direction_input()
2297 (gc->get_direction(gc, gpio_chip_hwgpio(desc)) != 1)) { in gpiod_direction_input()
2316 struct gpio_chip *gc = desc->gdev->chip; in gpiod_direction_output_raw_commit() local
2325 if (!gc->set && !gc->direction_output) { in gpiod_direction_output_raw_commit()
2332 if (gc->direction_output) { in gpiod_direction_output_raw_commit()
2333 ret = gc->direction_output(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2336 if (gc->get_direction && in gpiod_direction_output_raw_commit()
2337 gc->get_direction(gc, gpio_chip_hwgpio(desc))) { in gpiod_direction_output_raw_commit()
2347 gc->set(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2459 struct gpio_chip *gc; in gpiod_set_config() local
2462 gc = desc->gdev->chip; in gpiod_set_config()
2464 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpiod_set_config()
2558 struct gpio_chip *gc; in gpiod_get_raw_value_commit() local
2562 gc = desc->gdev->chip; in gpiod_get_raw_value_commit()
2564 value = gc->get ? gc->get(gc, offset) : -EIO; in gpiod_get_raw_value_commit()
2570 static int gpio_chip_get_multiple(struct gpio_chip *gc, in gpio_chip_get_multiple() argument
2573 if (gc->get_multiple) in gpio_chip_get_multiple()
2574 return gc->get_multiple(gc, mask, bits); in gpio_chip_get_multiple()
2575 if (gc->get) { in gpio_chip_get_multiple()
2578 for_each_set_bit(i, mask, gc->ngpio) { in gpio_chip_get_multiple()
2579 value = gc->get(gc, i); in gpio_chip_get_multiple()
2626 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_get_array_value_complex() local
2632 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_get_array_value_complex()
2638 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2642 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2649 bitmap_zero(mask, gc->ngpio); in gpiod_get_array_value_complex()
2652 WARN_ON(gc->can_sleep); in gpiod_get_array_value_complex()
2667 (desc_array[i]->gdev->chip == gc)); in gpiod_get_array_value_complex()
2669 ret = gpio_chip_get_multiple(gc, mask, bits); in gpiod_get_array_value_complex()
2811 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_drain_value_commit() local
2815 ret = gc->direction_input(gc, offset); in gpio_set_open_drain_value_commit()
2817 ret = gc->direction_output(gc, offset, 0); in gpio_set_open_drain_value_commit()
2836 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_source_value_commit() local
2840 ret = gc->direction_output(gc, offset, 1); in gpio_set_open_source_value_commit()
2844 ret = gc->direction_input(gc, offset); in gpio_set_open_source_value_commit()
2855 struct gpio_chip *gc; in gpiod_set_raw_value_commit() local
2857 gc = desc->gdev->chip; in gpiod_set_raw_value_commit()
2859 gc->set(gc, gpio_chip_hwgpio(desc), value); in gpiod_set_raw_value_commit()
2872 static void gpio_chip_set_multiple(struct gpio_chip *gc, in gpio_chip_set_multiple() argument
2875 if (gc->set_multiple) { in gpio_chip_set_multiple()
2876 gc->set_multiple(gc, mask, bits); in gpio_chip_set_multiple()
2881 for_each_set_bit(i, mask, gc->ngpio) in gpio_chip_set_multiple()
2882 gc->set(gc, i, test_bit(i, bits)); in gpio_chip_set_multiple()
2920 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_set_array_value_complex() local
2926 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_set_array_value_complex()
2932 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
2936 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
2943 bitmap_zero(mask, gc->ngpio); in gpiod_set_array_value_complex()
2946 WARN_ON(gc->can_sleep); in gpiod_set_array_value_complex()
2982 (desc_array[i]->gdev->chip == gc)); in gpiod_set_array_value_complex()
2985 gpio_chip_set_multiple(gc, mask, bits); in gpiod_set_array_value_complex()
3149 struct gpio_chip *gc; in gpiod_to_irq() local
3160 gc = desc->gdev->chip; in gpiod_to_irq()
3162 if (gc->to_irq) { in gpiod_to_irq()
3163 int retirq = gc->to_irq(gc, offset); in gpiod_to_irq()
3172 if (gc->irq.chip) { in gpiod_to_irq()
3193 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_lock_as_irq() argument
3197 desc = gpiochip_get_desc(gc, offset); in gpiochip_lock_as_irq()
3205 if (!gc->can_sleep && gc->get_direction) { in gpiochip_lock_as_irq()
3209 chip_err(gc, "%s: cannot get GPIO direction\n", in gpiochip_lock_as_irq()
3218 chip_err(gc, in gpiochip_lock_as_irq()
3247 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_unlock_as_irq() argument
3251 desc = gpiochip_get_desc(gc, offset); in gpiochip_unlock_as_irq()
3264 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_disable_irq() argument
3266 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_disable_irq()
3274 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_enable_irq() argument
3276 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_enable_irq()
3291 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_irq() argument
3293 if (offset >= gc->ngpio) in gpiochip_line_is_irq()
3296 return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_irq()
3300 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_reqres_irq() argument
3304 if (!try_module_get(gc->gpiodev->owner)) in gpiochip_reqres_irq()
3307 ret = gpiochip_lock_as_irq(gc, offset); in gpiochip_reqres_irq()
3309 chip_err(gc, "unable to lock HW IRQ %u for IRQ\n", offset); in gpiochip_reqres_irq()
3310 module_put(gc->gpiodev->owner); in gpiochip_reqres_irq()
3317 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_relres_irq() argument
3319 gpiochip_unlock_as_irq(gc, offset); in gpiochip_relres_irq()
3320 module_put(gc->gpiodev->owner); in gpiochip_relres_irq()
3324 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_drain() argument
3326 if (offset >= gc->ngpio) in gpiochip_line_is_open_drain()
3329 return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_drain()
3333 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_source() argument
3335 if (offset >= gc->ngpio) in gpiochip_line_is_open_source()
3338 return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_source()
3342 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_persistent() argument
3344 if (offset >= gc->ngpio) in gpiochip_line_is_persistent()
3347 return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_persistent()
3589 struct gpio_chip *gc; in gpiod_add_hogs() local
3601 gc = find_chip_by_name(hog->chip_label); in gpiod_add_hogs()
3602 if (gc) in gpiod_add_hogs()
3603 gpiochip_machine_hog(gc, hog); in gpiod_add_hogs()
3653 struct gpio_chip *gc; in gpiod_find() local
3675 gc = find_chip_by_name(p->key); in gpiod_find()
3677 if (!gc) { in gpiod_find()
3690 if (gc->ngpio <= p->chip_hwnum) { in gpiod_find()
3693 idx, p->chip_hwnum, gc->ngpio - 1, in gpiod_find()
3694 gc->label); in gpiod_find()
3698 desc = gpiochip_get_desc(gc, p->chip_hwnum); in gpiod_find()
4095 struct gpio_chip *gc; in gpiod_hog() local
4100 gc = gpiod_to_chip(desc); in gpiod_hog()
4103 local_desc = gpiochip_request_own_desc(gc, hwnum, name, in gpiod_hog()
4108 name, gc->label, hwnum, ret); in gpiod_hog()
4127 static void gpiochip_free_hogs(struct gpio_chip *gc) in gpiochip_free_hogs() argument
4131 for (id = 0; id < gc->ngpio; id++) { in gpiochip_free_hogs()
4132 if (test_bit(FLAG_IS_HOGGED, &gc->gpiodev->descs[id].flags)) in gpiochip_free_hogs()
4133 gpiochip_free_own_desc(&gc->gpiodev->descs[id]); in gpiochip_free_hogs()
4156 struct gpio_chip *gc; in gpiod_get_array() local
4176 gc = gpiod_to_chip(desc); in gpiod_get_array()
4184 bitmap_size = BITS_TO_LONGS(gc->ngpio > count ? in gpiod_get_array()
4185 gc->ngpio : count); in gpiod_get_array()
4208 array_info->chip = gc; in gpiod_get_array()
4216 if (array_info && array_info->chip != gc) { in gpiod_get_array()
4241 if (gpiochip_line_is_open_drain(gc, descs->ndescs) || in gpiod_get_array()
4242 gpiochip_line_is_open_source(gc, descs->ndescs)) in gpiod_get_array()
4394 struct gpio_chip *gc = gdev->chip; in gpiolib_dbg_show() local
4417 gc->get ? (gc->get(gc, i) ? "hi" : "lo") : "? ", in gpiolib_dbg_show()
4469 struct gpio_chip *gc = gdev->chip; in gpiolib_seq_show() local
4472 if (!gc) { in gpiolib_seq_show()
4481 parent = gc->parent; in gpiolib_seq_show()
4486 if (gc->label) in gpiolib_seq_show()
4487 seq_printf(s, ", %s", gc->label); in gpiolib_seq_show()
4488 if (gc->can_sleep) in gpiolib_seq_show()
4492 if (gc->dbg_show) in gpiolib_seq_show()
4493 gc->dbg_show(s, gc); in gpiolib_seq_show()