Lines Matching refs:gc
102 static void gpiochip_free_hogs(struct gpio_chip *gc);
103 static int gpiochip_add_irqchip(struct gpio_chip *gc,
106 static void gpiochip_irqchip_remove(struct gpio_chip *gc);
107 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc);
108 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc);
109 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc);
160 struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, in gpiochip_get_desc() argument
163 struct gpio_device *gdev = gc->gpiodev; in gpiochip_get_desc()
236 struct gpio_chip *gc; in gpiod_get_direction() local
240 gc = gpiod_to_chip(desc); in gpiod_get_direction()
251 if (!gc->get_direction) in gpiod_get_direction()
254 ret = gc->get_direction(gc, offset); in gpiod_get_direction()
355 static int gpiochip_set_desc_names(struct gpio_chip *gc) in gpiochip_set_desc_names() argument
357 struct gpio_device *gdev = gc->gpiodev; in gpiochip_set_desc_names()
361 for (i = 0; i != gc->ngpio; ++i) { in gpiochip_set_desc_names()
364 gpio = gpio_name_to_desc(gc->names[i]); in gpiochip_set_desc_names()
368 gc->names[i]); in gpiochip_set_desc_names()
372 for (i = 0; i != gc->ngpio; ++i) in gpiochip_set_desc_names()
373 gdev->descs[i].name = gc->names[i]; in gpiochip_set_desc_names()
455 static unsigned long *gpiochip_allocate_mask(struct gpio_chip *gc) in gpiochip_allocate_mask() argument
459 p = bitmap_alloc(gc->ngpio, GFP_KERNEL); in gpiochip_allocate_mask()
464 bitmap_fill(p, gc->ngpio); in gpiochip_allocate_mask()
475 static unsigned int gpiochip_count_reserved_ranges(struct gpio_chip *gc) in gpiochip_count_reserved_ranges() argument
477 struct device *dev = &gc->gpiodev->dev; in gpiochip_count_reserved_ranges()
488 static int gpiochip_apply_reserved_ranges(struct gpio_chip *gc) in gpiochip_apply_reserved_ranges() argument
490 struct device *dev = &gc->gpiodev->dev; in gpiochip_apply_reserved_ranges()
495 size = gpiochip_count_reserved_ranges(gc); in gpiochip_apply_reserved_ranges()
514 if (start >= gc->ngpio || start + count > gc->ngpio) in gpiochip_apply_reserved_ranges()
517 bitmap_clear(gc->valid_mask, start, count); in gpiochip_apply_reserved_ranges()
524 static int gpiochip_init_valid_mask(struct gpio_chip *gc) in gpiochip_init_valid_mask() argument
528 if (!(gpiochip_count_reserved_ranges(gc) || gc->init_valid_mask)) in gpiochip_init_valid_mask()
531 gc->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_init_valid_mask()
532 if (!gc->valid_mask) in gpiochip_init_valid_mask()
535 ret = gpiochip_apply_reserved_ranges(gc); in gpiochip_init_valid_mask()
539 if (gc->init_valid_mask) in gpiochip_init_valid_mask()
540 return gc->init_valid_mask(gc, in gpiochip_init_valid_mask()
541 gc->valid_mask, in gpiochip_init_valid_mask()
542 gc->ngpio); in gpiochip_init_valid_mask()
547 static void gpiochip_free_valid_mask(struct gpio_chip *gc) in gpiochip_free_valid_mask() argument
549 gpiochip_free_mask(&gc->valid_mask); in gpiochip_free_valid_mask()
552 static int gpiochip_add_pin_ranges(struct gpio_chip *gc) in gpiochip_add_pin_ranges() argument
559 if (device_property_present(&gc->gpiodev->dev, "gpio-ranges")) in gpiochip_add_pin_ranges()
562 if (gc->add_pin_ranges) in gpiochip_add_pin_ranges()
563 return gc->add_pin_ranges(gc); in gpiochip_add_pin_ranges()
568 bool gpiochip_line_is_valid(const struct gpio_chip *gc, in gpiochip_line_is_valid() argument
572 if (likely(!gc->valid_mask)) in gpiochip_line_is_valid()
574 return test_bit(offset, gc->valid_mask); in gpiochip_line_is_valid()
638 static void gpiochip_machine_hog(struct gpio_chip *gc, struct gpiod_hog *hog) in gpiochip_machine_hog() argument
643 desc = gpiochip_get_desc(gc, hog->chip_hwnum); in gpiochip_machine_hog()
645 chip_err(gc, "%s: unable to get GPIO desc: %ld\n", __func__, in gpiochip_machine_hog()
656 __func__, gc->label, hog->chip_hwnum, rv); in gpiochip_machine_hog()
659 static void machine_gpiochip_add(struct gpio_chip *gc) in machine_gpiochip_add() argument
666 if (!strcmp(gc->label, hog->chip_label)) in machine_gpiochip_add()
667 gpiochip_machine_hog(gc, hog); in machine_gpiochip_add()
686 static void gpiochip_set_data(struct gpio_chip *gc, void *data) in gpiochip_set_data() argument
688 gc->gpiodev->data = data; in gpiochip_set_data()
698 void *gpiochip_get_data(struct gpio_chip *gc) in gpiochip_get_data() argument
700 return gc->gpiodev->data; in gpiochip_get_data()
704 int gpiochip_get_ngpios(struct gpio_chip *gc, struct device *dev) in gpiochip_get_ngpios() argument
706 u32 ngpios = gc->ngpio; in gpiochip_get_ngpios()
722 gc->ngpio = ngpios; in gpiochip_get_ngpios()
725 if (gc->ngpio == 0) { in gpiochip_get_ngpios()
730 if (gc->ngpio > FASTPATH_NGPIO) in gpiochip_get_ngpios()
732 gc->ngpio, FASTPATH_NGPIO); in gpiochip_get_ngpios()
738 int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, in gpiochip_add_data_with_key() argument
756 gdev->dev.parent = gc->parent; in gpiochip_add_data_with_key()
757 gdev->chip = gc; in gpiochip_add_data_with_key()
759 gc->gpiodev = gdev; in gpiochip_add_data_with_key()
760 gpiochip_set_data(gc, data); in gpiochip_add_data_with_key()
766 if (gc->fwnode) in gpiochip_add_data_with_key()
767 device_set_node(&gdev->dev, gc->fwnode); in gpiochip_add_data_with_key()
768 else if (gc->parent) in gpiochip_add_data_with_key()
769 device_set_node(&gdev->dev, dev_fwnode(gc->parent)); in gpiochip_add_data_with_key()
782 if (gc->parent && gc->parent->driver) in gpiochip_add_data_with_key()
783 gdev->owner = gc->parent->driver->owner; in gpiochip_add_data_with_key()
784 else if (gc->owner) in gpiochip_add_data_with_key()
786 gdev->owner = gc->owner; in gpiochip_add_data_with_key()
790 ret = gpiochip_get_ngpios(gc, &gdev->dev); in gpiochip_add_data_with_key()
794 gdev->descs = kcalloc(gc->ngpio, sizeof(*gdev->descs), GFP_KERNEL); in gpiochip_add_data_with_key()
800 gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL); in gpiochip_add_data_with_key()
806 gdev->ngpio = gc->ngpio; in gpiochip_add_data_with_key()
817 base = gc->base; in gpiochip_add_data_with_key()
819 base = gpiochip_find_base(gc->ngpio); in gpiochip_add_data_with_key()
832 gc->base = base; in gpiochip_add_data_with_key()
842 chip_err(gc, "GPIO integer space overlap, cannot add chip\n"); in gpiochip_add_data_with_key()
846 for (i = 0; i < gc->ngpio; i++) in gpiochip_add_data_with_key()
859 if (gc->names) { in gpiochip_add_data_with_key()
860 ret = gpiochip_set_desc_names(gc); in gpiochip_add_data_with_key()
864 ret = gpiochip_set_names(gc); in gpiochip_add_data_with_key()
868 ret = gpiochip_init_valid_mask(gc); in gpiochip_add_data_with_key()
872 ret = of_gpiochip_add(gc); in gpiochip_add_data_with_key()
876 for (i = 0; i < gc->ngpio; i++) { in gpiochip_add_data_with_key()
879 if (gc->get_direction && gpiochip_line_is_valid(gc, i)) { in gpiochip_add_data_with_key()
881 &desc->flags, !gc->get_direction(gc, i)); in gpiochip_add_data_with_key()
884 &desc->flags, !gc->direction_input); in gpiochip_add_data_with_key()
888 ret = gpiochip_add_pin_ranges(gc); in gpiochip_add_data_with_key()
892 acpi_gpiochip_add(gc); in gpiochip_add_data_with_key()
894 machine_gpiochip_add(gc); in gpiochip_add_data_with_key()
896 ret = gpiochip_irqchip_init_valid_mask(gc); in gpiochip_add_data_with_key()
900 ret = gpiochip_irqchip_init_hw(gc); in gpiochip_add_data_with_key()
904 ret = gpiochip_add_irqchip(gc, lock_key, request_key); in gpiochip_add_data_with_key()
924 gpiochip_irqchip_remove(gc); in gpiochip_add_data_with_key()
926 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_add_data_with_key()
928 gpiochip_free_hogs(gc); in gpiochip_add_data_with_key()
929 acpi_gpiochip_remove(gc); in gpiochip_add_data_with_key()
930 gpiochip_remove_pin_ranges(gc); in gpiochip_add_data_with_key()
932 of_gpiochip_remove(gc); in gpiochip_add_data_with_key()
934 gpiochip_free_valid_mask(gc); in gpiochip_add_data_with_key()
958 base, base + (int)gc->ngpio - 1, in gpiochip_add_data_with_key()
959 gc->label ? : "generic", ret); in gpiochip_add_data_with_key()
971 void gpiochip_remove(struct gpio_chip *gc) in gpiochip_remove() argument
973 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove()
981 gpiochip_free_hogs(gc); in gpiochip_remove()
984 gpiochip_irqchip_remove(gc); in gpiochip_remove()
985 acpi_gpiochip_remove(gc); in gpiochip_remove()
986 of_gpiochip_remove(gc); in gpiochip_remove()
987 gpiochip_remove_pin_ranges(gc); in gpiochip_remove()
988 gpiochip_free_valid_mask(gc); in gpiochip_remove()
993 gpiochip_set_data(gc, NULL); in gpiochip_remove()
997 if (gpiochip_is_requested(gc, i)) in gpiochip_remove()
1024 int (*match)(struct gpio_chip *gc, in gpiochip_find() argument
1028 struct gpio_chip *gc = NULL; in gpiochip_find() local
1032 gc = gdev->chip; in gpiochip_find()
1036 return gc; in gpiochip_find()
1062 int (*match)(struct gpio_chip *gc, in gpio_device_find() argument
1085 static int gpiochip_match_name(struct gpio_chip *gc, void *data) in gpiochip_match_name() argument
1089 return !strcmp(gc->label, name); in gpiochip_match_name()
1127 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1129 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_hw()
1134 return girq->init_hw(gc); in gpiochip_irqchip_init_hw()
1137 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1139 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_valid_mask()
1144 girq->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_irqchip_init_valid_mask()
1148 girq->init_valid_mask(gc, girq->valid_mask, gc->ngpio); in gpiochip_irqchip_init_valid_mask()
1153 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1155 gpiochip_free_mask(&gc->irq.valid_mask); in gpiochip_irqchip_free_valid_mask()
1158 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, in gpiochip_irqchip_irq_valid() argument
1161 if (!gpiochip_line_is_valid(gc, offset)) in gpiochip_irqchip_irq_valid()
1164 if (likely(!gc->irq.valid_mask)) in gpiochip_irqchip_irq_valid()
1166 return test_bit(offset, gc->irq.valid_mask); in gpiochip_irqchip_irq_valid()
1179 static void gpiochip_set_hierarchical_irqchip(struct gpio_chip *gc, in gpiochip_set_hierarchical_irqchip() argument
1183 if (is_of_node(gc->irq.fwnode)) in gpiochip_set_hierarchical_irqchip()
1194 if (is_fwnode_irqchip(gc->irq.fwnode)) { in gpiochip_set_hierarchical_irqchip()
1198 for (i = 0; i < gc->ngpio; i++) { in gpiochip_set_hierarchical_irqchip()
1202 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_hierarchical_irqchip()
1210 ret = girq->child_to_parent_hwirq(gc, i, in gpiochip_set_hierarchical_irqchip()
1215 chip_err(gc, "skip set-up on hwirq %d\n", in gpiochip_set_hierarchical_irqchip()
1220 fwspec.fwnode = gc->irq.fwnode; in gpiochip_set_hierarchical_irqchip()
1222 fwspec.param[0] = girq->child_offset_to_irq(gc, i); in gpiochip_set_hierarchical_irqchip()
1226 ret = irq_domain_alloc_irqs(gc->irq.domain, 1, in gpiochip_set_hierarchical_irqchip()
1229 chip_err(gc, in gpiochip_set_hierarchical_irqchip()
1237 chip_err(gc, "%s unknown fwnode type proceed anyway\n", __func__); in gpiochip_set_hierarchical_irqchip()
1270 struct gpio_chip *gc = d->host_data; in gpiochip_hierarchy_irq_domain_alloc() local
1277 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_hierarchy_irq_domain_alloc()
1286 ret = gc->irq.child_irq_domain_ops.translate(d, fwspec, &hwirq, &type); in gpiochip_hierarchy_irq_domain_alloc()
1290 chip_dbg(gc, "allocate IRQ %d, hwirq %lu\n", irq, hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1292 ret = girq->child_to_parent_hwirq(gc, hwirq, type, in gpiochip_hierarchy_irq_domain_alloc()
1295 chip_err(gc, "can't look up hwirq %lu\n", hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1298 chip_dbg(gc, "found parent hwirq %u\n", parent_hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1307 gc->irq.chip, in gpiochip_hierarchy_irq_domain_alloc()
1308 gc, in gpiochip_hierarchy_irq_domain_alloc()
1314 ret = girq->populate_parent_alloc_arg(gc, &gpio_parent_fwspec, in gpiochip_hierarchy_irq_domain_alloc()
1319 chip_dbg(gc, "alloc_irqs_parent for %d parent hwirq %d\n", in gpiochip_hierarchy_irq_domain_alloc()
1321 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_hierarchy_irq_domain_alloc()
1330 chip_err(gc, in gpiochip_hierarchy_irq_domain_alloc()
1337 static unsigned int gpiochip_child_offset_to_irq_noop(struct gpio_chip *gc, in gpiochip_child_offset_to_irq_noop() argument
1362 static struct irq_domain *gpiochip_hierarchy_create_domain(struct gpio_chip *gc) in gpiochip_hierarchy_create_domain() argument
1366 if (!gc->irq.child_to_parent_hwirq || in gpiochip_hierarchy_create_domain()
1367 !gc->irq.fwnode) { in gpiochip_hierarchy_create_domain()
1368 chip_err(gc, "missing irqdomain vital data\n"); in gpiochip_hierarchy_create_domain()
1372 if (!gc->irq.child_offset_to_irq) in gpiochip_hierarchy_create_domain()
1373 gc->irq.child_offset_to_irq = gpiochip_child_offset_to_irq_noop; in gpiochip_hierarchy_create_domain()
1375 if (!gc->irq.populate_parent_alloc_arg) in gpiochip_hierarchy_create_domain()
1376 gc->irq.populate_parent_alloc_arg = in gpiochip_hierarchy_create_domain()
1379 gpiochip_hierarchy_setup_domain_ops(&gc->irq.child_irq_domain_ops); in gpiochip_hierarchy_create_domain()
1382 gc->irq.parent_domain, in gpiochip_hierarchy_create_domain()
1384 gc->ngpio, in gpiochip_hierarchy_create_domain()
1385 gc->irq.fwnode, in gpiochip_hierarchy_create_domain()
1386 &gc->irq.child_irq_domain_ops, in gpiochip_hierarchy_create_domain()
1387 gc); in gpiochip_hierarchy_create_domain()
1392 gpiochip_set_hierarchical_irqchip(gc, gc->irq.chip); in gpiochip_hierarchy_create_domain()
1397 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1399 return !!gc->irq.parent_domain; in gpiochip_hierarchy_is_hierarchical()
1402 int gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_twocell() argument
1409 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_twocell()
1418 int gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_fourcell() argument
1425 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_fourcell()
1438 static struct irq_domain *gpiochip_hierarchy_create_domain(struct gpio_chip *gc) in gpiochip_hierarchy_create_domain() argument
1443 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1462 struct gpio_chip *gc = d->host_data; in gpiochip_irq_map() local
1465 if (!gpiochip_irqchip_irq_valid(gc, hwirq)) in gpiochip_irq_map()
1468 irq_set_chip_data(irq, gc); in gpiochip_irq_map()
1473 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_irq_map()
1474 irq_set_chip_and_handler(irq, gc->irq.chip, gc->irq.handler); in gpiochip_irq_map()
1476 if (gc->irq.threaded) in gpiochip_irq_map()
1480 if (gc->irq.num_parents == 1) in gpiochip_irq_map()
1481 ret = irq_set_parent(irq, gc->irq.parents[0]); in gpiochip_irq_map()
1482 else if (gc->irq.map) in gpiochip_irq_map()
1483 ret = irq_set_parent(irq, gc->irq.map[hwirq]); in gpiochip_irq_map()
1492 if (gc->irq.default_type != IRQ_TYPE_NONE) in gpiochip_irq_map()
1493 irq_set_irq_type(irq, gc->irq.default_type); in gpiochip_irq_map()
1501 struct gpio_chip *gc = d->host_data; in gpiochip_irq_unmap() local
1503 if (gc->irq.threaded) in gpiochip_irq_unmap()
1517 static struct irq_domain *gpiochip_simple_create_domain(struct gpio_chip *gc) in gpiochip_simple_create_domain() argument
1519 struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev); in gpiochip_simple_create_domain()
1522 domain = irq_domain_create_simple(fwnode, gc->ngpio, gc->irq.first, in gpiochip_simple_create_domain()
1523 &gpiochip_domain_ops, gc); in gpiochip_simple_create_domain()
1548 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_activate() local
1551 return gpiochip_lock_as_irq(gc, hwirq); in gpiochip_irq_domain_activate()
1567 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_deactivate() local
1570 return gpiochip_unlock_as_irq(gc, hwirq); in gpiochip_irq_domain_deactivate()
1574 static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_to_irq() argument
1576 struct irq_domain *domain = gc->irq.domain; in gpiochip_to_irq()
1584 if (!gc->irq.initialized) in gpiochip_to_irq()
1588 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_to_irq()
1597 spec.param[0] = gc->irq.child_offset_to_irq(gc, offset); in gpiochip_to_irq()
1609 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_reqres() local
1612 return gpiochip_reqres_irq(gc, hwirq); in gpiochip_irq_reqres()
1618 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_relres() local
1621 gpiochip_relres_irq(gc, hwirq); in gpiochip_irq_relres()
1627 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_mask() local
1630 if (gc->irq.irq_mask) in gpiochip_irq_mask()
1631 gc->irq.irq_mask(d); in gpiochip_irq_mask()
1632 gpiochip_disable_irq(gc, hwirq); in gpiochip_irq_mask()
1637 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_unmask() local
1640 gpiochip_enable_irq(gc, hwirq); in gpiochip_irq_unmask()
1641 if (gc->irq.irq_unmask) in gpiochip_irq_unmask()
1642 gc->irq.irq_unmask(d); in gpiochip_irq_unmask()
1647 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_enable() local
1650 gpiochip_enable_irq(gc, hwirq); in gpiochip_irq_enable()
1651 gc->irq.irq_enable(d); in gpiochip_irq_enable()
1656 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_disable() local
1659 gc->irq.irq_disable(d); in gpiochip_irq_disable()
1660 gpiochip_disable_irq(gc, hwirq); in gpiochip_irq_disable()
1663 static void gpiochip_set_irq_hooks(struct gpio_chip *gc) in gpiochip_set_irq_hooks() argument
1665 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_set_irq_hooks()
1670 chip_warn(gc, "not an immutable chip, please consider fixing it!\n"); in gpiochip_set_irq_hooks()
1677 if (WARN_ON(gc->irq.irq_enable)) in gpiochip_set_irq_hooks()
1686 chip_info(gc, in gpiochip_set_irq_hooks()
1692 gc->irq.irq_disable = irqchip->irq_disable; in gpiochip_set_irq_hooks()
1695 gc->irq.irq_mask = irqchip->irq_mask; in gpiochip_set_irq_hooks()
1700 gc->irq.irq_enable = irqchip->irq_enable; in gpiochip_set_irq_hooks()
1703 gc->irq.irq_unmask = irqchip->irq_unmask; in gpiochip_set_irq_hooks()
1708 static int gpiochip_irqchip_add_allocated_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_allocated_domain() argument
1715 if (gc->to_irq) in gpiochip_irqchip_add_allocated_domain()
1716 chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__); in gpiochip_irqchip_add_allocated_domain()
1718 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_allocated_domain()
1719 gc->irq.domain = domain; in gpiochip_irqchip_add_allocated_domain()
1720 gc->irq.domain_is_allocated_externally = allocated_externally; in gpiochip_irqchip_add_allocated_domain()
1728 gc->irq.initialized = true; in gpiochip_irqchip_add_allocated_domain()
1739 static int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1743 struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev); in gpiochip_add_irqchip()
1744 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_add_irqchip()
1753 if (gc->irq.parent_handler && gc->can_sleep) { in gpiochip_add_irqchip()
1754 chip_err(gc, "you cannot have chained interrupts on a chip that may sleep\n"); in gpiochip_add_irqchip()
1758 type = gc->irq.default_type; in gpiochip_add_irqchip()
1769 gc->irq.default_type = type; in gpiochip_add_irqchip()
1770 gc->irq.lock_key = lock_key; in gpiochip_add_irqchip()
1771 gc->irq.request_key = request_key; in gpiochip_add_irqchip()
1774 if (gpiochip_hierarchy_is_hierarchical(gc)) { in gpiochip_add_irqchip()
1775 domain = gpiochip_hierarchy_create_domain(gc); in gpiochip_add_irqchip()
1777 domain = gpiochip_simple_create_domain(gc); in gpiochip_add_irqchip()
1782 if (gc->irq.parent_handler) { in gpiochip_add_irqchip()
1783 for (i = 0; i < gc->irq.num_parents; i++) { in gpiochip_add_irqchip()
1786 if (gc->irq.per_parent_data) in gpiochip_add_irqchip()
1787 data = gc->irq.parent_handler_data_array[i]; in gpiochip_add_irqchip()
1789 data = gc->irq.parent_handler_data ?: gc; in gpiochip_add_irqchip()
1796 irq_set_chained_handler_and_data(gc->irq.parents[i], in gpiochip_add_irqchip()
1797 gc->irq.parent_handler, in gpiochip_add_irqchip()
1802 gpiochip_set_irq_hooks(gc); in gpiochip_add_irqchip()
1804 ret = gpiochip_irqchip_add_allocated_domain(gc, domain, false); in gpiochip_add_irqchip()
1808 acpi_gpiochip_request_interrupts(gc); in gpiochip_add_irqchip()
1819 static void gpiochip_irqchip_remove(struct gpio_chip *gc) in gpiochip_irqchip_remove() argument
1821 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_irqchip_remove()
1824 acpi_gpiochip_free_interrupts(gc); in gpiochip_irqchip_remove()
1826 if (irqchip && gc->irq.parent_handler) { in gpiochip_irqchip_remove()
1827 struct gpio_irq_chip *irq = &gc->irq; in gpiochip_irqchip_remove()
1836 if (!gc->irq.domain_is_allocated_externally && gc->irq.domain) { in gpiochip_irqchip_remove()
1839 for (offset = 0; offset < gc->ngpio; offset++) { in gpiochip_irqchip_remove()
1840 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_irqchip_remove()
1843 irq = irq_find_mapping(gc->irq.domain, offset); in gpiochip_irqchip_remove()
1847 irq_domain_remove(gc->irq.domain); in gpiochip_irqchip_remove()
1856 irqchip->irq_enable = gc->irq.irq_enable; in gpiochip_irqchip_remove()
1857 irqchip->irq_disable = gc->irq.irq_disable; in gpiochip_irqchip_remove()
1860 gc->irq.irq_enable = NULL; in gpiochip_irqchip_remove()
1861 gc->irq.irq_disable = NULL; in gpiochip_irqchip_remove()
1862 gc->irq.chip = NULL; in gpiochip_irqchip_remove()
1864 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_irqchip_remove()
1874 int gpiochip_irqchip_add_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_domain() argument
1877 return gpiochip_irqchip_add_allocated_domain(gc, domain, true); in gpiochip_irqchip_add_domain()
1883 static inline int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1889 static void gpiochip_irqchip_remove(struct gpio_chip *gc) {} in gpiochip_irqchip_remove() argument
1891 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1896 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1900 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1910 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_request() argument
1913 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_request()
1917 return pinctrl_gpio_request(gc->gpiodev->base + offset); in gpiochip_generic_request()
1926 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_free() argument
1929 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_free()
1933 pinctrl_gpio_free(gc->gpiodev->base + offset); in gpiochip_generic_free()
1943 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset, in gpiochip_generic_config() argument
1946 return pinctrl_gpio_set_config(gc->gpiodev->base + offset, config); in gpiochip_generic_config()
1964 int gpiochip_add_pingroup_range(struct gpio_chip *gc, in gpiochip_add_pingroup_range() argument
1969 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pingroup_range()
1974 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pingroup_range()
1980 pin_range->range.gc = gc; in gpiochip_add_pingroup_range()
1981 pin_range->range.name = gc->label; in gpiochip_add_pingroup_range()
1995 chip_dbg(gc, "created GPIO range %d->%d ==> %s PINGRP %s\n", in gpiochip_add_pingroup_range()
2022 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name, in gpiochip_add_pin_range() argument
2027 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pin_range()
2032 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pin_range()
2038 pin_range->range.gc = gc; in gpiochip_add_pin_range()
2039 pin_range->range.name = gc->label; in gpiochip_add_pin_range()
2047 chip_err(gc, "could not create pin range\n"); in gpiochip_add_pin_range()
2051 chip_dbg(gc, "created GPIO range %d->%d ==> %s PIN %d->%d\n", in gpiochip_add_pin_range()
2066 void gpiochip_remove_pin_ranges(struct gpio_chip *gc) in gpiochip_remove_pin_ranges() argument
2069 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove_pin_ranges()
2088 struct gpio_chip *gc = desc->gdev->chip; in gpiod_request_commit() local
2112 if (gc->request) { in gpiod_request_commit()
2116 if (gpiochip_line_is_valid(gc, offset)) in gpiod_request_commit()
2117 ret = gc->request(gc, offset); in gpiod_request_commit()
2128 if (gc->get_direction) { in gpiod_request_commit()
2205 struct gpio_chip *gc; in gpiod_free_commit() local
2211 gc = desc->gdev->chip; in gpiod_free_commit()
2212 if (gc && test_bit(FLAG_REQUESTED, &desc->flags)) { in gpiod_free_commit()
2213 if (gc->free) { in gpiod_free_commit()
2215 might_sleep_if(gc->can_sleep); in gpiod_free_commit()
2216 gc->free(gc, gpio_chip_hwgpio(desc)); in gpiod_free_commit()
2275 const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned int offset) in gpiochip_is_requested() argument
2279 desc = gpiochip_get_desc(gc, offset); in gpiochip_is_requested()
2310 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, in gpiochip_request_own_desc() argument
2316 struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum); in gpiochip_request_own_desc()
2320 chip_err(gc, "failed to get GPIO descriptor\n"); in gpiochip_request_own_desc()
2330 chip_err(gc, "setup of own GPIO %s failed\n", label); in gpiochip_request_own_desc()
2363 static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, in gpio_do_set_config() argument
2366 if (!gc->set_config) in gpio_do_set_config()
2369 return gc->set_config(gc, offset, config); in gpio_do_set_config()
2376 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_config_with_argument() local
2380 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpio_set_config_with_argument()
2467 struct gpio_chip *gc; in gpiod_direction_input() local
2471 gc = desc->gdev->chip; in gpiod_direction_input()
2478 if (!gc->get && gc->direction_input) { in gpiod_direction_input()
2491 if (gc->direction_input) { in gpiod_direction_input()
2492 ret = gc->direction_input(gc, gpio_chip_hwgpio(desc)); in gpiod_direction_input()
2493 } else if (gc->get_direction && in gpiod_direction_input()
2494 (gc->get_direction(gc, gpio_chip_hwgpio(desc)) != 1)) { in gpiod_direction_input()
2513 struct gpio_chip *gc = desc->gdev->chip; in gpiod_direction_output_raw_commit() local
2522 if (!gc->set && !gc->direction_output) { in gpiod_direction_output_raw_commit()
2529 if (gc->direction_output) { in gpiod_direction_output_raw_commit()
2530 ret = gc->direction_output(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2533 if (gc->get_direction && in gpiod_direction_output_raw_commit()
2534 gc->get_direction(gc, gpio_chip_hwgpio(desc))) { in gpiod_direction_output_raw_commit()
2544 gc->set(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2656 struct gpio_chip *gc; in gpiod_enable_hw_timestamp_ns() local
2660 gc = desc->gdev->chip; in gpiod_enable_hw_timestamp_ns()
2661 if (!gc->en_hw_timestamp) { in gpiod_enable_hw_timestamp_ns()
2666 ret = gc->en_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_enable_hw_timestamp_ns()
2685 struct gpio_chip *gc; in gpiod_disable_hw_timestamp_ns() local
2689 gc = desc->gdev->chip; in gpiod_disable_hw_timestamp_ns()
2690 if (!gc->dis_hw_timestamp) { in gpiod_disable_hw_timestamp_ns()
2695 ret = gc->dis_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_disable_hw_timestamp_ns()
2714 struct gpio_chip *gc; in gpiod_set_config() local
2717 gc = desc->gdev->chip; in gpiod_set_config()
2719 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpiod_set_config()
2789 static int gpio_chip_get_value(struct gpio_chip *gc, const struct gpio_desc *desc) in gpio_chip_get_value() argument
2791 return gc->get ? gc->get(gc, gpio_chip_hwgpio(desc)) : -EIO; in gpio_chip_get_value()
2818 struct gpio_chip *gc; in gpiod_get_raw_value_commit() local
2821 gc = desc->gdev->chip; in gpiod_get_raw_value_commit()
2822 value = gpio_chip_get_value(gc, desc); in gpiod_get_raw_value_commit()
2828 static int gpio_chip_get_multiple(struct gpio_chip *gc, in gpio_chip_get_multiple() argument
2831 if (gc->get_multiple) in gpio_chip_get_multiple()
2832 return gc->get_multiple(gc, mask, bits); in gpio_chip_get_multiple()
2833 if (gc->get) { in gpio_chip_get_multiple()
2836 for_each_set_bit(i, mask, gc->ngpio) { in gpio_chip_get_multiple()
2837 value = gc->get(gc, i); in gpio_chip_get_multiple()
2884 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_get_array_value_complex() local
2890 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_get_array_value_complex()
2896 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2900 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2907 bitmap_zero(mask, gc->ngpio); in gpiod_get_array_value_complex()
2910 WARN_ON(gc->can_sleep); in gpiod_get_array_value_complex()
2925 (desc_array[i]->gdev->chip == gc)); in gpiod_get_array_value_complex()
2927 ret = gpio_chip_get_multiple(gc, mask, bits); in gpiod_get_array_value_complex()
3069 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_drain_value_commit() local
3073 ret = gc->direction_input(gc, offset); in gpio_set_open_drain_value_commit()
3075 ret = gc->direction_output(gc, offset, 0); in gpio_set_open_drain_value_commit()
3094 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_source_value_commit() local
3098 ret = gc->direction_output(gc, offset, 1); in gpio_set_open_source_value_commit()
3102 ret = gc->direction_input(gc, offset); in gpio_set_open_source_value_commit()
3113 struct gpio_chip *gc; in gpiod_set_raw_value_commit() local
3115 gc = desc->gdev->chip; in gpiod_set_raw_value_commit()
3117 gc->set(gc, gpio_chip_hwgpio(desc), value); in gpiod_set_raw_value_commit()
3130 static void gpio_chip_set_multiple(struct gpio_chip *gc, in gpio_chip_set_multiple() argument
3133 if (gc->set_multiple) { in gpio_chip_set_multiple()
3134 gc->set_multiple(gc, mask, bits); in gpio_chip_set_multiple()
3139 for_each_set_bit(i, mask, gc->ngpio) in gpio_chip_set_multiple()
3140 gc->set(gc, i, test_bit(i, bits)); in gpio_chip_set_multiple()
3178 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_set_array_value_complex() local
3184 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_set_array_value_complex()
3190 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3194 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3201 bitmap_zero(mask, gc->ngpio); in gpiod_set_array_value_complex()
3204 WARN_ON(gc->can_sleep); in gpiod_set_array_value_complex()
3240 (desc_array[i]->gdev->chip == gc)); in gpiod_set_array_value_complex()
3243 gpio_chip_set_multiple(gc, mask, bits); in gpiod_set_array_value_complex()
3407 struct gpio_chip *gc; in gpiod_to_irq() local
3418 gc = desc->gdev->chip; in gpiod_to_irq()
3420 if (gc->to_irq) { in gpiod_to_irq()
3421 int retirq = gc->to_irq(gc, offset); in gpiod_to_irq()
3430 if (gc->irq.chip) { in gpiod_to_irq()
3451 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_lock_as_irq() argument
3455 desc = gpiochip_get_desc(gc, offset); in gpiochip_lock_as_irq()
3463 if (!gc->can_sleep && gc->get_direction) { in gpiochip_lock_as_irq()
3467 chip_err(gc, "%s: cannot get GPIO direction\n", in gpiochip_lock_as_irq()
3476 chip_err(gc, in gpiochip_lock_as_irq()
3505 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_unlock_as_irq() argument
3509 desc = gpiochip_get_desc(gc, offset); in gpiochip_unlock_as_irq()
3522 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_disable_irq() argument
3524 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_disable_irq()
3532 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_enable_irq() argument
3534 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_enable_irq()
3549 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_irq() argument
3551 if (offset >= gc->ngpio) in gpiochip_line_is_irq()
3554 return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_irq()
3558 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_reqres_irq() argument
3562 if (!try_module_get(gc->gpiodev->owner)) in gpiochip_reqres_irq()
3565 ret = gpiochip_lock_as_irq(gc, offset); in gpiochip_reqres_irq()
3567 chip_err(gc, "unable to lock HW IRQ %u for IRQ\n", offset); in gpiochip_reqres_irq()
3568 module_put(gc->gpiodev->owner); in gpiochip_reqres_irq()
3575 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_relres_irq() argument
3577 gpiochip_unlock_as_irq(gc, offset); in gpiochip_relres_irq()
3578 module_put(gc->gpiodev->owner); in gpiochip_relres_irq()
3582 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_drain() argument
3584 if (offset >= gc->ngpio) in gpiochip_line_is_open_drain()
3587 return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_drain()
3591 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_source() argument
3593 if (offset >= gc->ngpio) in gpiochip_line_is_open_source()
3596 return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_source()
3600 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_persistent() argument
3602 if (offset >= gc->ngpio) in gpiochip_line_is_persistent()
3605 return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_persistent()
3849 struct gpio_chip *gc; in gpiod_add_hogs() local
3861 gc = find_chip_by_name(hog->chip_label); in gpiod_add_hogs()
3862 if (gc) in gpiod_add_hogs()
3863 gpiochip_machine_hog(gc, hog); in gpiod_add_hogs()
3924 struct gpio_chip *gc; in gpiod_find() local
3946 gc = find_chip_by_name(p->key); in gpiod_find()
3948 if (!gc) { in gpiod_find()
3961 if (gc->ngpio <= p->chip_hwnum) { in gpiod_find()
3964 idx, p->chip_hwnum, gc->ngpio - 1, in gpiod_find()
3965 gc->label); in gpiod_find()
3969 desc = gpiochip_get_desc(gc, p->chip_hwnum); in gpiod_find()
4316 struct gpio_chip *gc; in gpiod_hog() local
4321 gc = gpiod_to_chip(desc); in gpiod_hog()
4324 local_desc = gpiochip_request_own_desc(gc, hwnum, name, in gpiod_hog()
4329 name, gc->label, hwnum, ret); in gpiod_hog()
4348 static void gpiochip_free_hogs(struct gpio_chip *gc) in gpiochip_free_hogs() argument
4352 for_each_gpio_desc_with_flag(gc, desc, FLAG_IS_HOGGED) in gpiochip_free_hogs()
4375 struct gpio_chip *gc; in gpiod_get_array() local
4397 gc = gpiod_to_chip(desc); in gpiod_get_array()
4405 bitmap_size = BITS_TO_LONGS(gc->ngpio > count ? in gpiod_get_array()
4406 gc->ngpio : count); in gpiod_get_array()
4426 array_info->chip = gc; in gpiod_get_array()
4439 if (array_info->chip != gc) { in gpiod_get_array()
4463 if (gpiochip_line_is_open_drain(gc, descs->ndescs) || in gpiod_get_array()
4464 gpiochip_line_is_open_source(gc, descs->ndescs)) in gpiod_get_array()
4599 struct gpio_chip *gc = gdev->chip; in gpiolib_dbg_show() local
4607 for_each_gpio_desc(gc, desc) { in gpiolib_dbg_show()
4611 value = gpio_chip_get_value(gc, desc); in gpiolib_dbg_show()
4673 struct gpio_chip *gc = gdev->chip; in gpiolib_seq_show() local
4676 if (!gc) { in gpiolib_seq_show()
4685 parent = gc->parent; in gpiolib_seq_show()
4690 if (gc->label) in gpiolib_seq_show()
4691 seq_printf(s, ", %s", gc->label); in gpiolib_seq_show()
4692 if (gc->can_sleep) in gpiolib_seq_show()
4696 if (gc->dbg_show) in gpiolib_seq_show()
4697 gc->dbg_show(s, gc); in gpiolib_seq_show()