Lines Matching full: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);
134 * @gc: GPIO chip
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()
327 * Take the names from gc->names and assign them to their GPIO descriptors.
334 static int gpiochip_set_desc_names(struct gpio_chip *gc) in gpiochip_set_desc_names() argument
336 struct gpio_device *gdev = gc->gpiodev; in gpiochip_set_desc_names()
340 for (i = 0; i != gc->ngpio; ++i) { in gpiochip_set_desc_names()
343 gpio = gpio_name_to_desc(gc->names[i]); in gpiochip_set_desc_names()
347 gc->names[i]); in gpiochip_set_desc_names()
351 for (i = 0; i != gc->ngpio; ++i) in gpiochip_set_desc_names()
352 gdev->descs[i].name = gc->names[i]; in gpiochip_set_desc_names()
434 static unsigned long *gpiochip_allocate_mask(struct gpio_chip *gc) in gpiochip_allocate_mask() argument
438 p = bitmap_alloc(gc->ngpio, GFP_KERNEL); in gpiochip_allocate_mask()
443 bitmap_fill(p, gc->ngpio); in gpiochip_allocate_mask()
448 static int gpiochip_alloc_valid_mask(struct gpio_chip *gc) in gpiochip_alloc_valid_mask() argument
450 if (!(of_gpio_need_valid_mask(gc) || gc->init_valid_mask)) in gpiochip_alloc_valid_mask()
453 gc->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_alloc_valid_mask()
454 if (!gc->valid_mask) in gpiochip_alloc_valid_mask()
460 static int gpiochip_init_valid_mask(struct gpio_chip *gc) in gpiochip_init_valid_mask() argument
462 if (gc->init_valid_mask) in gpiochip_init_valid_mask()
463 return gc->init_valid_mask(gc, in gpiochip_init_valid_mask()
464 gc->valid_mask, in gpiochip_init_valid_mask()
465 gc->ngpio); in gpiochip_init_valid_mask()
470 static void gpiochip_free_valid_mask(struct gpio_chip *gc) in gpiochip_free_valid_mask() argument
472 bitmap_free(gc->valid_mask); in gpiochip_free_valid_mask()
473 gc->valid_mask = NULL; in gpiochip_free_valid_mask()
476 static int gpiochip_add_pin_ranges(struct gpio_chip *gc) in gpiochip_add_pin_ranges() argument
478 if (gc->add_pin_ranges) in gpiochip_add_pin_ranges()
479 return gc->add_pin_ranges(gc); in gpiochip_add_pin_ranges()
484 bool gpiochip_line_is_valid(const struct gpio_chip *gc, in gpiochip_line_is_valid() argument
488 if (likely(!gc->valid_mask)) in gpiochip_line_is_valid()
490 return test_bit(offset, gc->valid_mask); in gpiochip_line_is_valid()
546 static void gpiochip_machine_hog(struct gpio_chip *gc, struct gpiod_hog *hog) in gpiochip_machine_hog() argument
551 desc = gpiochip_get_desc(gc, hog->chip_hwnum); in gpiochip_machine_hog()
553 chip_err(gc, "%s: unable to get GPIO desc: %ld\n", __func__, in gpiochip_machine_hog()
564 __func__, gc->label, hog->chip_hwnum, rv); in gpiochip_machine_hog()
567 static void machine_gpiochip_add(struct gpio_chip *gc) in machine_gpiochip_add() argument
574 if (!strcmp(gc->label, hog->chip_label)) in machine_gpiochip_add()
575 gpiochip_machine_hog(gc, hog); in machine_gpiochip_add()
594 int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, in gpiochip_add_data_with_key() argument
606 if (gc->fwnode) in gpiochip_add_data_with_key()
607 fwnode = gc->fwnode; in gpiochip_add_data_with_key()
608 else if (gc->parent) in gpiochip_add_data_with_key()
609 fwnode = dev_fwnode(gc->parent); in gpiochip_add_data_with_key()
619 gdev->dev.parent = gc->parent; in gpiochip_add_data_with_key()
620 gdev->chip = gc; in gpiochip_add_data_with_key()
621 gc->gpiodev = gdev; in gpiochip_add_data_with_key()
623 of_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
624 acpi_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
643 if (gc->parent && gc->parent->driver) in gpiochip_add_data_with_key()
644 gdev->owner = gc->parent->driver->owner; in gpiochip_add_data_with_key()
645 else if (gc->owner) in gpiochip_add_data_with_key()
647 gdev->owner = gc->owner; in gpiochip_add_data_with_key()
655 ngpios = gc->ngpio; in gpiochip_add_data_with_key()
669 gc->ngpio = ngpios; in gpiochip_add_data_with_key()
672 if (gc->ngpio == 0) { in gpiochip_add_data_with_key()
673 chip_err(gc, "tried to insert a GPIO chip with zero lines\n"); in gpiochip_add_data_with_key()
678 if (gc->ngpio > FASTPATH_NGPIO) in gpiochip_add_data_with_key()
679 chip_warn(gc, "line cnt %u is greater than fast path cnt %u\n", in gpiochip_add_data_with_key()
680 gc->ngpio, FASTPATH_NGPIO); in gpiochip_add_data_with_key()
682 gdev->descs = kcalloc(gc->ngpio, sizeof(*gdev->descs), GFP_KERNEL); in gpiochip_add_data_with_key()
688 gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL); in gpiochip_add_data_with_key()
694 gdev->ngpio = gc->ngpio; in gpiochip_add_data_with_key()
706 base = gc->base; in gpiochip_add_data_with_key()
708 base = gpiochip_find_base(gc->ngpio); in gpiochip_add_data_with_key()
721 gc->base = base; in gpiochip_add_data_with_key()
728 chip_err(gc, "GPIO integer space overlap, cannot add chip\n"); in gpiochip_add_data_with_key()
732 for (i = 0; i < gc->ngpio; i++) in gpiochip_add_data_with_key()
743 if (gc->names) { in gpiochip_add_data_with_key()
744 ret = gpiochip_set_desc_names(gc); in gpiochip_add_data_with_key()
748 ret = devprop_gpiochip_set_names(gc); in gpiochip_add_data_with_key()
752 ret = gpiochip_alloc_valid_mask(gc); in gpiochip_add_data_with_key()
756 ret = of_gpiochip_add(gc); in gpiochip_add_data_with_key()
760 ret = gpiochip_init_valid_mask(gc); in gpiochip_add_data_with_key()
764 for (i = 0; i < gc->ngpio; i++) { in gpiochip_add_data_with_key()
767 if (gc->get_direction && gpiochip_line_is_valid(gc, i)) { in gpiochip_add_data_with_key()
769 &desc->flags, !gc->get_direction(gc, i)); in gpiochip_add_data_with_key()
772 &desc->flags, !gc->direction_input); in gpiochip_add_data_with_key()
776 ret = gpiochip_add_pin_ranges(gc); in gpiochip_add_data_with_key()
780 acpi_gpiochip_add(gc); in gpiochip_add_data_with_key()
782 machine_gpiochip_add(gc); in gpiochip_add_data_with_key()
784 ret = gpiochip_irqchip_init_valid_mask(gc); in gpiochip_add_data_with_key()
788 ret = gpiochip_irqchip_init_hw(gc); in gpiochip_add_data_with_key()
792 ret = gpiochip_add_irqchip(gc, lock_key, request_key); in gpiochip_add_data_with_key()
812 gpiochip_irqchip_remove(gc); in gpiochip_add_data_with_key()
814 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_add_data_with_key()
816 acpi_gpiochip_remove(gc); in gpiochip_add_data_with_key()
818 gpiochip_free_hogs(gc); in gpiochip_add_data_with_key()
819 of_gpiochip_remove(gc); in gpiochip_add_data_with_key()
821 gpiochip_remove_pin_ranges(gc); in gpiochip_add_data_with_key()
822 gpiochip_free_valid_mask(gc); in gpiochip_add_data_with_key()
847 gc->label ? : "generic", ret); in gpiochip_add_data_with_key()
855 * @gc: GPIO chip
860 void *gpiochip_get_data(struct gpio_chip *gc) in gpiochip_get_data() argument
862 return gc->gpiodev->data; in gpiochip_get_data()
868 * @gc: the chip to unregister
872 void gpiochip_remove(struct gpio_chip *gc) in gpiochip_remove() argument
874 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove()
880 gpiochip_free_hogs(gc); in gpiochip_remove()
883 gpiochip_irqchip_remove(gc); in gpiochip_remove()
884 acpi_gpiochip_remove(gc); in gpiochip_remove()
885 of_gpiochip_remove(gc); in gpiochip_remove()
886 gpiochip_remove_pin_ranges(gc); in gpiochip_remove()
887 gpiochip_free_valid_mask(gc); in gpiochip_remove()
896 if (gpiochip_is_requested(gc, i)) in gpiochip_remove()
928 int (*match)(struct gpio_chip *gc, in gpiochip_find() argument
932 struct gpio_chip *gc = NULL; in gpiochip_find() local
938 gc = gdev->chip; in gpiochip_find()
944 return gc; in gpiochip_find()
948 static int gpiochip_match_name(struct gpio_chip *gc, void *data) in gpiochip_match_name() argument
952 return !strcmp(gc->label, name); in gpiochip_match_name()
966 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
968 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_hw()
973 return girq->init_hw(gc); in gpiochip_irqchip_init_hw()
976 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
978 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_valid_mask()
983 girq->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_irqchip_init_valid_mask()
987 girq->init_valid_mask(gc, girq->valid_mask, gc->ngpio); in gpiochip_irqchip_init_valid_mask()
992 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
994 bitmap_free(gc->irq.valid_mask); in gpiochip_irqchip_free_valid_mask()
995 gc->irq.valid_mask = NULL; in gpiochip_irqchip_free_valid_mask()
998 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, in gpiochip_irqchip_irq_valid() argument
1001 if (!gpiochip_line_is_valid(gc, offset)) in gpiochip_irqchip_irq_valid()
1004 if (likely(!gc->irq.valid_mask)) in gpiochip_irqchip_irq_valid()
1006 return test_bit(offset, gc->irq.valid_mask); in gpiochip_irqchip_irq_valid()
1015 * @gc: the gpiochip to set the irqchip hierarchical handler to
1019 static void gpiochip_set_hierarchical_irqchip(struct gpio_chip *gc, in gpiochip_set_hierarchical_irqchip() argument
1023 if (is_of_node(gc->irq.fwnode)) in gpiochip_set_hierarchical_irqchip()
1034 if (is_fwnode_irqchip(gc->irq.fwnode)) { in gpiochip_set_hierarchical_irqchip()
1038 for (i = 0; i < gc->ngpio; i++) { in gpiochip_set_hierarchical_irqchip()
1042 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_hierarchical_irqchip()
1050 ret = girq->child_to_parent_hwirq(gc, i, in gpiochip_set_hierarchical_irqchip()
1055 chip_err(gc, "skip set-up on hwirq %d\n", in gpiochip_set_hierarchical_irqchip()
1060 fwspec.fwnode = gc->irq.fwnode; in gpiochip_set_hierarchical_irqchip()
1062 fwspec.param[0] = girq->child_offset_to_irq(gc, i); in gpiochip_set_hierarchical_irqchip()
1066 ret = __irq_domain_alloc_irqs(gc->irq.domain, in gpiochip_set_hierarchical_irqchip()
1075 chip_err(gc, in gpiochip_set_hierarchical_irqchip()
1083 chip_err(gc, "%s unknown fwnode type proceed anyway\n", __func__); in gpiochip_set_hierarchical_irqchip()
1116 struct gpio_chip *gc = d->host_data; in gpiochip_hierarchy_irq_domain_alloc() local
1123 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_hierarchy_irq_domain_alloc()
1132 ret = gc->irq.child_irq_domain_ops.translate(d, fwspec, &hwirq, &type); in gpiochip_hierarchy_irq_domain_alloc()
1136 chip_dbg(gc, "allocate IRQ %d, hwirq %lu\n", irq, hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1138 ret = girq->child_to_parent_hwirq(gc, hwirq, type, in gpiochip_hierarchy_irq_domain_alloc()
1141 chip_err(gc, "can't look up hwirq %lu\n", hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1144 chip_dbg(gc, "found parent hwirq %u\n", parent_hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1153 gc->irq.chip, in gpiochip_hierarchy_irq_domain_alloc()
1154 gc, in gpiochip_hierarchy_irq_domain_alloc()
1160 ret = girq->populate_parent_alloc_arg(gc, &gpio_parent_fwspec, in gpiochip_hierarchy_irq_domain_alloc()
1165 chip_dbg(gc, "alloc_irqs_parent for %d parent hwirq %d\n", in gpiochip_hierarchy_irq_domain_alloc()
1167 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_hierarchy_irq_domain_alloc()
1176 chip_err(gc, in gpiochip_hierarchy_irq_domain_alloc()
1183 static unsigned int gpiochip_child_offset_to_irq_noop(struct gpio_chip *gc, in gpiochip_child_offset_to_irq_noop() argument
1208 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1210 if (!gc->irq.child_to_parent_hwirq || in gpiochip_hierarchy_add_domain()
1211 !gc->irq.fwnode) { in gpiochip_hierarchy_add_domain()
1212 chip_err(gc, "missing irqdomain vital data\n"); in gpiochip_hierarchy_add_domain()
1216 if (!gc->irq.child_offset_to_irq) in gpiochip_hierarchy_add_domain()
1217 gc->irq.child_offset_to_irq = gpiochip_child_offset_to_irq_noop; in gpiochip_hierarchy_add_domain()
1219 if (!gc->irq.populate_parent_alloc_arg) in gpiochip_hierarchy_add_domain()
1220 gc->irq.populate_parent_alloc_arg = in gpiochip_hierarchy_add_domain()
1223 gpiochip_hierarchy_setup_domain_ops(&gc->irq.child_irq_domain_ops); in gpiochip_hierarchy_add_domain()
1225 gc->irq.domain = irq_domain_create_hierarchy( in gpiochip_hierarchy_add_domain()
1226 gc->irq.parent_domain, in gpiochip_hierarchy_add_domain()
1228 gc->ngpio, in gpiochip_hierarchy_add_domain()
1229 gc->irq.fwnode, in gpiochip_hierarchy_add_domain()
1230 &gc->irq.child_irq_domain_ops, in gpiochip_hierarchy_add_domain()
1231 gc); in gpiochip_hierarchy_add_domain()
1233 if (!gc->irq.domain) in gpiochip_hierarchy_add_domain()
1236 gpiochip_set_hierarchical_irqchip(gc, gc->irq.chip); in gpiochip_hierarchy_add_domain()
1241 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1243 return !!gc->irq.parent_domain; in gpiochip_hierarchy_is_hierarchical()
1246 int gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_twocell() argument
1253 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_twocell()
1262 int gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_fourcell() argument
1269 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_fourcell()
1282 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1287 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1307 struct gpio_chip *gc = d->host_data; in gpiochip_irq_map() local
1310 if (!gpiochip_irqchip_irq_valid(gc, hwirq)) in gpiochip_irq_map()
1313 irq_set_chip_data(irq, gc); in gpiochip_irq_map()
1318 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_irq_map()
1319 irq_set_chip_and_handler(irq, gc->irq.chip, gc->irq.handler); in gpiochip_irq_map()
1321 if (gc->irq.threaded) in gpiochip_irq_map()
1325 if (gc->irq.num_parents == 1) in gpiochip_irq_map()
1326 ret = irq_set_parent(irq, gc->irq.parents[0]); in gpiochip_irq_map()
1327 else if (gc->irq.map) in gpiochip_irq_map()
1328 ret = irq_set_parent(irq, gc->irq.map[hwirq]); in gpiochip_irq_map()
1337 if (gc->irq.default_type != IRQ_TYPE_NONE) in gpiochip_irq_map()
1338 irq_set_irq_type(irq, gc->irq.default_type); in gpiochip_irq_map()
1346 struct gpio_chip *gc = d->host_data; in gpiochip_irq_unmap() local
1348 if (gc->irq.threaded) in gpiochip_irq_unmap()
1380 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_activate() local
1382 return gpiochip_lock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_activate()
1398 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_deactivate() local
1400 return gpiochip_unlock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_deactivate()
1404 static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_to_irq() argument
1406 struct irq_domain *domain = gc->irq.domain; in gpiochip_to_irq()
1414 if (!gc->irq.initialized) in gpiochip_to_irq()
1418 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_to_irq()
1427 spec.param[0] = gc->irq.child_offset_to_irq(gc, offset); in gpiochip_to_irq()
1439 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_reqres() local
1441 return gpiochip_reqres_irq(gc, d->hwirq); in gpiochip_irq_reqres()
1447 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_relres() local
1449 gpiochip_relres_irq(gc, d->hwirq); in gpiochip_irq_relres()
1455 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_mask() local
1457 if (gc->irq.irq_mask) in gpiochip_irq_mask()
1458 gc->irq.irq_mask(d); in gpiochip_irq_mask()
1459 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_mask()
1464 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_unmask() local
1466 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_unmask()
1467 if (gc->irq.irq_unmask) in gpiochip_irq_unmask()
1468 gc->irq.irq_unmask(d); in gpiochip_irq_unmask()
1473 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_enable() local
1475 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_enable()
1476 gc->irq.irq_enable(d); in gpiochip_irq_enable()
1481 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_disable() local
1483 gc->irq.irq_disable(d); in gpiochip_irq_disable()
1484 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_disable()
1487 static void gpiochip_set_irq_hooks(struct gpio_chip *gc) in gpiochip_set_irq_hooks() argument
1489 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_set_irq_hooks()
1494 chip_warn(gc, "not an immutable chip, please consider fixing it!\n"); in gpiochip_set_irq_hooks()
1501 if (WARN_ON(gc->irq.irq_enable)) in gpiochip_set_irq_hooks()
1510 chip_info(gc, in gpiochip_set_irq_hooks()
1516 gc->irq.irq_disable = irqchip->irq_disable; in gpiochip_set_irq_hooks()
1519 gc->irq.irq_mask = irqchip->irq_mask; in gpiochip_set_irq_hooks()
1524 gc->irq.irq_enable = irqchip->irq_enable; in gpiochip_set_irq_hooks()
1527 gc->irq.irq_unmask = irqchip->irq_unmask; in gpiochip_set_irq_hooks()
1534 * @gc: the GPIO chip to add the IRQ chip to
1538 static int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1542 struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev); in gpiochip_add_irqchip()
1543 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_add_irqchip()
1550 if (gc->irq.parent_handler && gc->can_sleep) { in gpiochip_add_irqchip()
1551 chip_err(gc, "you cannot have chained interrupts on a chip that may sleep\n"); in gpiochip_add_irqchip()
1555 type = gc->irq.default_type; in gpiochip_add_irqchip()
1566 if (gc->to_irq) in gpiochip_add_irqchip()
1567 chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__); in gpiochip_add_irqchip()
1569 gc->to_irq = gpiochip_to_irq; in gpiochip_add_irqchip()
1570 gc->irq.default_type = type; in gpiochip_add_irqchip()
1571 gc->irq.lock_key = lock_key; in gpiochip_add_irqchip()
1572 gc->irq.request_key = request_key; in gpiochip_add_irqchip()
1575 if (gpiochip_hierarchy_is_hierarchical(gc)) { in gpiochip_add_irqchip()
1576 int ret = gpiochip_hierarchy_add_domain(gc); in gpiochip_add_irqchip()
1581 gc->irq.domain = irq_domain_create_simple(fwnode, in gpiochip_add_irqchip()
1582 gc->ngpio, in gpiochip_add_irqchip()
1583 gc->irq.first, in gpiochip_add_irqchip()
1584 gc->irq.domain_ops ?: &gpiochip_domain_ops, in gpiochip_add_irqchip()
1585 gc); in gpiochip_add_irqchip()
1586 if (!gc->irq.domain) in gpiochip_add_irqchip()
1590 if (gc->irq.parent_handler) { in gpiochip_add_irqchip()
1591 for (i = 0; i < gc->irq.num_parents; i++) { in gpiochip_add_irqchip()
1594 if (gc->irq.per_parent_data) in gpiochip_add_irqchip()
1595 data = gc->irq.parent_handler_data_array[i]; in gpiochip_add_irqchip()
1597 data = gc->irq.parent_handler_data ?: gc; in gpiochip_add_irqchip()
1604 irq_set_chained_handler_and_data(gc->irq.parents[i], in gpiochip_add_irqchip()
1605 gc->irq.parent_handler, in gpiochip_add_irqchip()
1610 gpiochip_set_irq_hooks(gc); in gpiochip_add_irqchip()
1614 * gc->irq.initialized before initialization of above in gpiochip_add_irqchip()
1619 gc->irq.initialized = true; in gpiochip_add_irqchip()
1621 acpi_gpiochip_request_interrupts(gc); in gpiochip_add_irqchip()
1628 * @gc: the gpiochip to remove the irqchip from
1632 static void gpiochip_irqchip_remove(struct gpio_chip *gc) in gpiochip_irqchip_remove() argument
1634 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_irqchip_remove()
1637 acpi_gpiochip_free_interrupts(gc); in gpiochip_irqchip_remove()
1639 if (irqchip && gc->irq.parent_handler) { in gpiochip_irqchip_remove()
1640 struct gpio_irq_chip *irq = &gc->irq; in gpiochip_irqchip_remove()
1649 if (gc->irq.domain) { in gpiochip_irqchip_remove()
1652 for (offset = 0; offset < gc->ngpio; offset++) { in gpiochip_irqchip_remove()
1653 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_irqchip_remove()
1656 irq = irq_find_mapping(gc->irq.domain, offset); in gpiochip_irqchip_remove()
1660 irq_domain_remove(gc->irq.domain); in gpiochip_irqchip_remove()
1669 irqchip->irq_enable = gc->irq.irq_enable; in gpiochip_irqchip_remove()
1670 irqchip->irq_disable = gc->irq.irq_disable; in gpiochip_irqchip_remove()
1673 gc->irq.irq_enable = NULL; in gpiochip_irqchip_remove()
1674 gc->irq.irq_disable = NULL; in gpiochip_irqchip_remove()
1675 gc->irq.chip = NULL; in gpiochip_irqchip_remove()
1677 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_irqchip_remove()
1682 * @gc: the gpiochip to add the irqchip to
1687 int gpiochip_irqchip_add_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_domain() argument
1693 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_domain()
1694 gc->irq.domain = domain; in gpiochip_irqchip_add_domain()
1702 static inline int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1708 static void gpiochip_irqchip_remove(struct gpio_chip *gc) {} in gpiochip_irqchip_remove() argument
1710 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1715 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1719 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1726 * @gc: the gpiochip owning the GPIO
1729 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_request() argument
1732 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_request()
1736 return pinctrl_gpio_request(gc->gpiodev->base + offset); in gpiochip_generic_request()
1742 * @gc: the gpiochip to request the gpio function for
1745 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_free() argument
1748 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_free()
1752 pinctrl_gpio_free(gc->gpiodev->base + offset); in gpiochip_generic_free()
1758 * @gc: the gpiochip owning the GPIO
1762 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset, in gpiochip_generic_config() argument
1765 return pinctrl_gpio_set_config(gc->gpiodev->base + offset, config); in gpiochip_generic_config()
1773 * @gc: the gpiochip to add the range for
1783 int gpiochip_add_pingroup_range(struct gpio_chip *gc, in gpiochip_add_pingroup_range() argument
1788 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pingroup_range()
1793 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pingroup_range()
1799 pin_range->range.gc = gc; in gpiochip_add_pingroup_range()
1800 pin_range->range.name = gc->label; in gpiochip_add_pingroup_range()
1814 chip_dbg(gc, "created GPIO range %d->%d ==> %s PINGRP %s\n", in gpiochip_add_pingroup_range()
1826 * @gc: the gpiochip to add the range for
1841 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name, in gpiochip_add_pin_range() argument
1846 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pin_range()
1851 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pin_range()
1857 pin_range->range.gc = gc; in gpiochip_add_pin_range()
1858 pin_range->range.name = gc->label; in gpiochip_add_pin_range()
1866 chip_err(gc, "could not create pin range\n"); in gpiochip_add_pin_range()
1870 chip_dbg(gc, "created GPIO range %d->%d ==> %s PIN %d->%d\n", in gpiochip_add_pin_range()
1883 * @gc: the chip to remove all the mappings for
1885 void gpiochip_remove_pin_ranges(struct gpio_chip *gc) in gpiochip_remove_pin_ranges() argument
1888 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove_pin_ranges()
1907 struct gpio_chip *gc = desc->gdev->chip; in gpiod_request_commit() local
1931 if (gc->request) { in gpiod_request_commit()
1932 /* gc->request may sleep */ in gpiod_request_commit()
1935 if (gpiochip_line_is_valid(gc, offset)) in gpiod_request_commit()
1936 ret = gc->request(gc, offset); in gpiod_request_commit()
1947 if (gc->get_direction) { in gpiod_request_commit()
1948 /* gc->get_direction may sleep */ in gpiod_request_commit()
2026 struct gpio_chip *gc; in gpiod_free_commit() local
2034 gc = desc->gdev->chip; in gpiod_free_commit()
2035 if (gc && test_bit(FLAG_REQUESTED, &desc->flags)) { in gpiod_free_commit()
2036 if (gc->free) { in gpiod_free_commit()
2038 might_sleep_if(gc->can_sleep); in gpiod_free_commit()
2039 gc->free(gc, gpio_chip_hwgpio(desc)); in gpiod_free_commit()
2082 * @gc: controller managing the signal
2093 const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned int offset) in gpiochip_is_requested() argument
2097 desc = gpiochip_get_desc(gc, offset); in gpiochip_is_requested()
2109 * @gc: GPIO chip
2128 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, in gpiochip_request_own_desc() argument
2134 struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum); in gpiochip_request_own_desc()
2138 chip_err(gc, "failed to get GPIO descriptor\n"); in gpiochip_request_own_desc()
2148 chip_err(gc, "setup of own GPIO %s failed\n", label); in gpiochip_request_own_desc()
2181 static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, in gpio_do_set_config() argument
2184 if (!gc->set_config) in gpio_do_set_config()
2187 return gc->set_config(gc, offset, config); in gpio_do_set_config()
2194 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_config_with_argument() local
2198 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpio_set_config_with_argument()
2285 struct gpio_chip *gc; in gpiod_direction_input() local
2289 gc = desc->gdev->chip; in gpiod_direction_input()
2296 if (!gc->get && gc->direction_input) { in gpiod_direction_input()
2309 if (gc->direction_input) { in gpiod_direction_input()
2310 ret = gc->direction_input(gc, gpio_chip_hwgpio(desc)); in gpiod_direction_input()
2311 } else if (gc->get_direction && in gpiod_direction_input()
2312 (gc->get_direction(gc, gpio_chip_hwgpio(desc)) != 1)) { in gpiod_direction_input()
2331 struct gpio_chip *gc = desc->gdev->chip; in gpiod_direction_output_raw_commit() local
2340 if (!gc->set && !gc->direction_output) { in gpiod_direction_output_raw_commit()
2347 if (gc->direction_output) { in gpiod_direction_output_raw_commit()
2348 ret = gc->direction_output(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2351 if (gc->get_direction && in gpiod_direction_output_raw_commit()
2352 gc->get_direction(gc, gpio_chip_hwgpio(desc))) { in gpiod_direction_output_raw_commit()
2362 gc->set(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2474 struct gpio_chip *gc; in gpiod_enable_hw_timestamp_ns() local
2478 gc = desc->gdev->chip; in gpiod_enable_hw_timestamp_ns()
2479 if (!gc->en_hw_timestamp) { in gpiod_enable_hw_timestamp_ns()
2484 ret = gc->en_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_enable_hw_timestamp_ns()
2503 struct gpio_chip *gc; in gpiod_disable_hw_timestamp_ns() local
2507 gc = desc->gdev->chip; in gpiod_disable_hw_timestamp_ns()
2508 if (!gc->dis_hw_timestamp) { in gpiod_disable_hw_timestamp_ns()
2513 ret = gc->dis_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_disable_hw_timestamp_ns()
2532 struct gpio_chip *gc; in gpiod_set_config() local
2535 gc = desc->gdev->chip; in gpiod_set_config()
2537 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpiod_set_config()
2607 static int gpio_chip_get_value(struct gpio_chip *gc, const struct gpio_desc *desc) in gpio_chip_get_value() argument
2609 return gc->get ? gc->get(gc, gpio_chip_hwgpio(desc)) : -EIO; in gpio_chip_get_value()
2636 struct gpio_chip *gc; in gpiod_get_raw_value_commit() local
2639 gc = desc->gdev->chip; in gpiod_get_raw_value_commit()
2640 value = gpio_chip_get_value(gc, desc); in gpiod_get_raw_value_commit()
2646 static int gpio_chip_get_multiple(struct gpio_chip *gc, in gpio_chip_get_multiple() argument
2649 if (gc->get_multiple) in gpio_chip_get_multiple()
2650 return gc->get_multiple(gc, mask, bits); in gpio_chip_get_multiple()
2651 if (gc->get) { in gpio_chip_get_multiple()
2654 for_each_set_bit(i, mask, gc->ngpio) { in gpio_chip_get_multiple()
2655 value = gc->get(gc, i); in gpio_chip_get_multiple()
2702 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_get_array_value_complex() local
2708 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_get_array_value_complex()
2714 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2718 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2725 bitmap_zero(mask, gc->ngpio); in gpiod_get_array_value_complex()
2728 WARN_ON(gc->can_sleep); in gpiod_get_array_value_complex()
2743 (desc_array[i]->gdev->chip == gc)); in gpiod_get_array_value_complex()
2745 ret = gpio_chip_get_multiple(gc, mask, bits); in gpiod_get_array_value_complex()
2887 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_drain_value_commit() local
2891 ret = gc->direction_input(gc, offset); in gpio_set_open_drain_value_commit()
2893 ret = gc->direction_output(gc, offset, 0); in gpio_set_open_drain_value_commit()
2912 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_source_value_commit() local
2916 ret = gc->direction_output(gc, offset, 1); in gpio_set_open_source_value_commit()
2920 ret = gc->direction_input(gc, offset); in gpio_set_open_source_value_commit()
2931 struct gpio_chip *gc; in gpiod_set_raw_value_commit() local
2933 gc = desc->gdev->chip; in gpiod_set_raw_value_commit()
2935 gc->set(gc, gpio_chip_hwgpio(desc), value); in gpiod_set_raw_value_commit()
2948 static void gpio_chip_set_multiple(struct gpio_chip *gc, in gpio_chip_set_multiple() argument
2951 if (gc->set_multiple) { in gpio_chip_set_multiple()
2952 gc->set_multiple(gc, mask, bits); in gpio_chip_set_multiple()
2957 for_each_set_bit(i, mask, gc->ngpio) in gpio_chip_set_multiple()
2958 gc->set(gc, i, test_bit(i, bits)); in gpio_chip_set_multiple()
2996 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_set_array_value_complex() local
3002 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_set_array_value_complex()
3008 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3012 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3019 bitmap_zero(mask, gc->ngpio); in gpiod_set_array_value_complex()
3022 WARN_ON(gc->can_sleep); in gpiod_set_array_value_complex()
3058 (desc_array[i]->gdev->chip == gc)); in gpiod_set_array_value_complex()
3061 gpio_chip_set_multiple(gc, mask, bits); in gpiod_set_array_value_complex()
3225 struct gpio_chip *gc; in gpiod_to_irq() local
3236 gc = desc->gdev->chip; in gpiod_to_irq()
3238 if (gc->to_irq) { in gpiod_to_irq()
3239 int retirq = gc->to_irq(gc, offset); in gpiod_to_irq()
3248 if (gc->irq.chip) { in gpiod_to_irq()
3263 * @gc: the chip the GPIO to lock belongs to
3269 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_lock_as_irq() argument
3273 desc = gpiochip_get_desc(gc, offset); in gpiochip_lock_as_irq()
3281 if (!gc->can_sleep && gc->get_direction) { in gpiochip_lock_as_irq()
3285 chip_err(gc, "%s: cannot get GPIO direction\n", in gpiochip_lock_as_irq()
3294 chip_err(gc, in gpiochip_lock_as_irq()
3317 * @gc: the chip the GPIO to lock belongs to
3323 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_unlock_as_irq() argument
3327 desc = gpiochip_get_desc(gc, offset); in gpiochip_unlock_as_irq()
3340 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_disable_irq() argument
3342 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_disable_irq()
3350 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_enable_irq() argument
3352 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_enable_irq()
3367 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_irq() argument
3369 if (offset >= gc->ngpio) in gpiochip_line_is_irq()
3372 return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_irq()
3376 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_reqres_irq() argument
3380 if (!try_module_get(gc->gpiodev->owner)) in gpiochip_reqres_irq()
3383 ret = gpiochip_lock_as_irq(gc, offset); in gpiochip_reqres_irq()
3385 chip_err(gc, "unable to lock HW IRQ %u for IRQ\n", offset); in gpiochip_reqres_irq()
3386 module_put(gc->gpiodev->owner); in gpiochip_reqres_irq()
3393 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_relres_irq() argument
3395 gpiochip_unlock_as_irq(gc, offset); in gpiochip_relres_irq()
3396 module_put(gc->gpiodev->owner); in gpiochip_relres_irq()
3400 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_drain() argument
3402 if (offset >= gc->ngpio) in gpiochip_line_is_open_drain()
3405 return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_drain()
3409 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_source() argument
3411 if (offset >= gc->ngpio) in gpiochip_line_is_open_source()
3414 return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_source()
3418 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_persistent() argument
3420 if (offset >= gc->ngpio) in gpiochip_line_is_persistent()
3423 return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_persistent()
3661 struct gpio_chip *gc; in gpiod_add_hogs() local
3673 gc = find_chip_by_name(hog->chip_label); in gpiod_add_hogs()
3674 if (gc) in gpiod_add_hogs()
3675 gpiochip_machine_hog(gc, hog); in gpiod_add_hogs()
3736 struct gpio_chip *gc; in gpiod_find() local
3758 gc = find_chip_by_name(p->key); in gpiod_find()
3760 if (!gc) { in gpiod_find()
3773 if (gc->ngpio <= p->chip_hwnum) { in gpiod_find()
3776 idx, p->chip_hwnum, gc->ngpio - 1, in gpiod_find()
3777 gc->label); in gpiod_find()
3781 desc = gpiochip_get_desc(gc, p->chip_hwnum); in gpiod_find()
4180 struct gpio_chip *gc; in gpiod_hog() local
4185 gc = gpiod_to_chip(desc); in gpiod_hog()
4188 local_desc = gpiochip_request_own_desc(gc, hwnum, name, in gpiod_hog()
4193 name, gc->label, hwnum, ret); in gpiod_hog()
4210 * @gc: gpio chip to act on
4212 static void gpiochip_free_hogs(struct gpio_chip *gc) in gpiochip_free_hogs() argument
4216 for_each_gpio_desc_with_flag(gc, desc, FLAG_IS_HOGGED) in gpiochip_free_hogs()
4239 struct gpio_chip *gc; in gpiod_get_array() local
4259 gc = gpiod_to_chip(desc); in gpiod_get_array()
4267 bitmap_size = BITS_TO_LONGS(gc->ngpio > count ? in gpiod_get_array()
4268 gc->ngpio : count); in gpiod_get_array()
4291 array_info->chip = gc; in gpiod_get_array()
4299 if (array_info && array_info->chip != gc) { in gpiod_get_array()
4324 if (gpiochip_line_is_open_drain(gc, descs->ndescs) || in gpiod_get_array()
4325 gpiochip_line_is_open_source(gc, descs->ndescs)) in gpiod_get_array()
4476 struct gpio_chip *gc = gdev->chip; in gpiolib_dbg_show() local
4484 for_each_gpio_desc(gc, desc) { in gpiolib_dbg_show()
4488 value = gpio_chip_get_value(gc, desc); in gpiolib_dbg_show()
4550 struct gpio_chip *gc = gdev->chip; in gpiolib_seq_show() local
4553 if (!gc) { in gpiolib_seq_show()
4562 parent = gc->parent; in gpiolib_seq_show()
4567 if (gc->label) in gpiolib_seq_show()
4568 seq_printf(s, ", %s", gc->label); in gpiolib_seq_show()
4569 if (gc->can_sleep) in gpiolib_seq_show()
4573 if (gc->dbg_show) in gpiolib_seq_show()
4574 gc->dbg_show(s, gc); in gpiolib_seq_show()