Lines Matching refs:gc
80 static void gpiochip_free_hogs(struct gpio_chip *gc);
81 static int gpiochip_add_irqchip(struct gpio_chip *gc,
84 static void gpiochip_irqchip_remove(struct gpio_chip *gc);
85 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc);
86 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc);
87 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc);
138 struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, in gpiochip_get_desc() argument
141 struct gpio_device *gdev = gc->gpiodev; in gpiochip_get_desc()
212 struct gpio_chip *gc; in gpiod_get_direction() local
216 gc = gpiod_to_chip(desc); in gpiod_get_direction()
227 if (!gc->get_direction) in gpiod_get_direction()
230 ret = gc->get_direction(gc, offset); in gpiod_get_direction()
337 static int gpiochip_set_desc_names(struct gpio_chip *gc) in gpiochip_set_desc_names() argument
339 struct gpio_device *gdev = gc->gpiodev; in gpiochip_set_desc_names()
343 for (i = 0; i != gc->ngpio; ++i) { in gpiochip_set_desc_names()
346 gpio = gpio_name_to_desc(gc->names[i]); in gpiochip_set_desc_names()
350 gc->names[i]); in gpiochip_set_desc_names()
354 for (i = 0; i != gc->ngpio; ++i) in gpiochip_set_desc_names()
355 gdev->descs[i].name = gc->names[i]; in gpiochip_set_desc_names()
407 static unsigned long *gpiochip_allocate_mask(struct gpio_chip *gc) in gpiochip_allocate_mask() argument
411 p = bitmap_alloc(gc->ngpio, GFP_KERNEL); in gpiochip_allocate_mask()
416 bitmap_fill(p, gc->ngpio); in gpiochip_allocate_mask()
421 static int gpiochip_alloc_valid_mask(struct gpio_chip *gc) in gpiochip_alloc_valid_mask() argument
423 if (!(of_gpio_need_valid_mask(gc) || gc->init_valid_mask)) in gpiochip_alloc_valid_mask()
426 gc->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_alloc_valid_mask()
427 if (!gc->valid_mask) in gpiochip_alloc_valid_mask()
433 static int gpiochip_init_valid_mask(struct gpio_chip *gc) in gpiochip_init_valid_mask() argument
435 if (gc->init_valid_mask) in gpiochip_init_valid_mask()
436 return gc->init_valid_mask(gc, in gpiochip_init_valid_mask()
437 gc->valid_mask, in gpiochip_init_valid_mask()
438 gc->ngpio); in gpiochip_init_valid_mask()
443 static void gpiochip_free_valid_mask(struct gpio_chip *gc) in gpiochip_free_valid_mask() argument
445 bitmap_free(gc->valid_mask); in gpiochip_free_valid_mask()
446 gc->valid_mask = NULL; in gpiochip_free_valid_mask()
449 static int gpiochip_add_pin_ranges(struct gpio_chip *gc) in gpiochip_add_pin_ranges() argument
451 if (gc->add_pin_ranges) in gpiochip_add_pin_ranges()
452 return gc->add_pin_ranges(gc); in gpiochip_add_pin_ranges()
457 bool gpiochip_line_is_valid(const struct gpio_chip *gc, in gpiochip_line_is_valid() argument
461 if (likely(!gc->valid_mask)) in gpiochip_line_is_valid()
463 return test_bit(offset, gc->valid_mask); in gpiochip_line_is_valid()
518 static void gpiochip_machine_hog(struct gpio_chip *gc, struct gpiod_hog *hog) in gpiochip_machine_hog() argument
523 desc = gpiochip_get_desc(gc, hog->chip_hwnum); in gpiochip_machine_hog()
525 chip_err(gc, "%s: unable to get GPIO desc: %ld\n", __func__, in gpiochip_machine_hog()
536 __func__, gc->label, hog->chip_hwnum, rv); in gpiochip_machine_hog()
539 static void machine_gpiochip_add(struct gpio_chip *gc) in machine_gpiochip_add() argument
546 if (!strcmp(gc->label, hog->chip_label)) in machine_gpiochip_add()
547 gpiochip_machine_hog(gc, hog); in machine_gpiochip_add()
566 int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, in gpiochip_add_data_with_key() argument
570 struct fwnode_handle *fwnode = gc->parent ? dev_fwnode(gc->parent) : NULL; in gpiochip_add_data_with_key()
574 int base = gc->base; in gpiochip_add_data_with_key()
585 gdev->chip = gc; in gpiochip_add_data_with_key()
586 gc->gpiodev = gdev; in gpiochip_add_data_with_key()
587 if (gc->parent) { in gpiochip_add_data_with_key()
588 gdev->dev.parent = gc->parent; in gpiochip_add_data_with_key()
589 gdev->dev.of_node = gc->parent->of_node; in gpiochip_add_data_with_key()
594 if (gc->of_node) in gpiochip_add_data_with_key()
595 gdev->dev.of_node = gc->of_node; in gpiochip_add_data_with_key()
597 gc->of_node = gdev->dev.of_node; in gpiochip_add_data_with_key()
618 if (gc->parent && gc->parent->driver) in gpiochip_add_data_with_key()
619 gdev->owner = gc->parent->driver->owner; in gpiochip_add_data_with_key()
620 else if (gc->owner) in gpiochip_add_data_with_key()
622 gdev->owner = gc->owner; in gpiochip_add_data_with_key()
626 gdev->descs = kcalloc(gc->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL); in gpiochip_add_data_with_key()
632 if (gc->ngpio == 0) { in gpiochip_add_data_with_key()
633 chip_err(gc, "tried to insert a GPIO chip with zero lines\n"); in gpiochip_add_data_with_key()
638 if (gc->ngpio > FASTPATH_NGPIO) in gpiochip_add_data_with_key()
639 chip_warn(gc, "line cnt %u is greater than fast path cnt %u\n", in gpiochip_add_data_with_key()
640 gc->ngpio, FASTPATH_NGPIO); in gpiochip_add_data_with_key()
642 gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL); in gpiochip_add_data_with_key()
648 gdev->ngpio = gc->ngpio; in gpiochip_add_data_with_key()
661 base = gpiochip_find_base(gc->ngpio); in gpiochip_add_data_with_key()
673 gc->base = base; in gpiochip_add_data_with_key()
683 for (i = 0; i < gc->ngpio; i++) in gpiochip_add_data_with_key()
694 if (gc->names) in gpiochip_add_data_with_key()
695 ret = gpiochip_set_desc_names(gc); in gpiochip_add_data_with_key()
697 ret = devprop_gpiochip_set_names(gc); in gpiochip_add_data_with_key()
701 ret = gpiochip_alloc_valid_mask(gc); in gpiochip_add_data_with_key()
705 ret = of_gpiochip_add(gc); in gpiochip_add_data_with_key()
709 ret = gpiochip_init_valid_mask(gc); in gpiochip_add_data_with_key()
713 for (i = 0; i < gc->ngpio; i++) { in gpiochip_add_data_with_key()
716 if (gc->get_direction && gpiochip_line_is_valid(gc, i)) { in gpiochip_add_data_with_key()
718 &desc->flags, !gc->get_direction(gc, i)); in gpiochip_add_data_with_key()
721 &desc->flags, !gc->direction_input); in gpiochip_add_data_with_key()
725 ret = gpiochip_add_pin_ranges(gc); in gpiochip_add_data_with_key()
729 acpi_gpiochip_add(gc); in gpiochip_add_data_with_key()
731 machine_gpiochip_add(gc); in gpiochip_add_data_with_key()
733 ret = gpiochip_irqchip_init_valid_mask(gc); in gpiochip_add_data_with_key()
737 ret = gpiochip_irqchip_init_hw(gc); in gpiochip_add_data_with_key()
741 ret = gpiochip_add_irqchip(gc, lock_key, request_key); in gpiochip_add_data_with_key()
761 gpiochip_irqchip_remove(gc); in gpiochip_add_data_with_key()
763 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_add_data_with_key()
765 acpi_gpiochip_remove(gc); in gpiochip_add_data_with_key()
767 gpiochip_free_hogs(gc); in gpiochip_add_data_with_key()
768 of_gpiochip_remove(gc); in gpiochip_add_data_with_key()
770 gpiochip_remove_pin_ranges(gc); in gpiochip_add_data_with_key()
771 gpiochip_free_valid_mask(gc); in gpiochip_add_data_with_key()
788 gc->label ? : "generic", ret); in gpiochip_add_data_with_key()
801 void *gpiochip_get_data(struct gpio_chip *gc) in gpiochip_get_data() argument
803 return gc->gpiodev->data; in gpiochip_get_data()
813 void gpiochip_remove(struct gpio_chip *gc) in gpiochip_remove() argument
815 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove()
821 gpiochip_free_hogs(gc); in gpiochip_remove()
824 gpiochip_irqchip_remove(gc); in gpiochip_remove()
825 acpi_gpiochip_remove(gc); in gpiochip_remove()
826 of_gpiochip_remove(gc); in gpiochip_remove()
827 gpiochip_remove_pin_ranges(gc); in gpiochip_remove()
828 gpiochip_free_valid_mask(gc); in gpiochip_remove()
837 if (gpiochip_is_requested(gc, i)) in gpiochip_remove()
869 int (*match)(struct gpio_chip *gc, in gpiochip_find() argument
873 struct gpio_chip *gc = NULL; in gpiochip_find() local
879 gc = gdev->chip; in gpiochip_find()
885 return gc; in gpiochip_find()
889 static int gpiochip_match_name(struct gpio_chip *gc, void *data) in gpiochip_match_name() argument
893 return !strcmp(gc->label, name); in gpiochip_match_name()
907 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
909 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_hw()
914 return girq->init_hw(gc); in gpiochip_irqchip_init_hw()
917 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
919 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_valid_mask()
924 girq->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_irqchip_init_valid_mask()
928 girq->init_valid_mask(gc, girq->valid_mask, gc->ngpio); in gpiochip_irqchip_init_valid_mask()
933 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
935 bitmap_free(gc->irq.valid_mask); in gpiochip_irqchip_free_valid_mask()
936 gc->irq.valid_mask = NULL; in gpiochip_irqchip_free_valid_mask()
939 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, in gpiochip_irqchip_irq_valid() argument
942 if (!gpiochip_line_is_valid(gc, offset)) in gpiochip_irqchip_irq_valid()
945 if (likely(!gc->irq.valid_mask)) in gpiochip_irqchip_irq_valid()
947 return test_bit(offset, gc->irq.valid_mask); in gpiochip_irqchip_irq_valid()
960 static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gc, in gpiochip_set_cascaded_irqchip() argument
964 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_cascaded_irqchip()
965 struct device *dev = &gc->gpiodev->dev; in gpiochip_set_cascaded_irqchip()
968 chip_err(gc, "called %s before setting up irqchip\n", in gpiochip_set_cascaded_irqchip()
974 if (gc->can_sleep) { in gpiochip_set_cascaded_irqchip()
975 chip_err(gc, in gpiochip_set_cascaded_irqchip()
983 chip_err(gc, "out of memory allocating parent IRQ\n"); in gpiochip_set_cascaded_irqchip()
993 gc); in gpiochip_set_cascaded_irqchip()
1004 void gpiochip_set_nested_irqchip(struct gpio_chip *gc, in gpiochip_set_nested_irqchip() argument
1008 gpiochip_set_cascaded_irqchip(gc, parent_irq, NULL); in gpiochip_set_nested_irqchip()
1021 static void gpiochip_set_hierarchical_irqchip(struct gpio_chip *gc, in gpiochip_set_hierarchical_irqchip() argument
1025 if (is_of_node(gc->irq.fwnode)) in gpiochip_set_hierarchical_irqchip()
1036 if (is_fwnode_irqchip(gc->irq.fwnode)) { in gpiochip_set_hierarchical_irqchip()
1040 for (i = 0; i < gc->ngpio; i++) { in gpiochip_set_hierarchical_irqchip()
1044 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_hierarchical_irqchip()
1052 ret = girq->child_to_parent_hwirq(gc, i, in gpiochip_set_hierarchical_irqchip()
1057 chip_err(gc, "skip set-up on hwirq %d\n", in gpiochip_set_hierarchical_irqchip()
1062 fwspec.fwnode = gc->irq.fwnode; in gpiochip_set_hierarchical_irqchip()
1064 fwspec.param[0] = girq->child_offset_to_irq(gc, i); in gpiochip_set_hierarchical_irqchip()
1068 ret = __irq_domain_alloc_irqs(gc->irq.domain, in gpiochip_set_hierarchical_irqchip()
1077 chip_err(gc, in gpiochip_set_hierarchical_irqchip()
1085 chip_err(gc, "%s unknown fwnode type proceed anyway\n", __func__); in gpiochip_set_hierarchical_irqchip()
1118 struct gpio_chip *gc = d->host_data; in gpiochip_hierarchy_irq_domain_alloc() local
1125 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_hierarchy_irq_domain_alloc()
1134 ret = gc->irq.child_irq_domain_ops.translate(d, fwspec, &hwirq, &type); in gpiochip_hierarchy_irq_domain_alloc()
1138 chip_dbg(gc, "allocate IRQ %d, hwirq %lu\n", irq, hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1140 ret = girq->child_to_parent_hwirq(gc, hwirq, type, in gpiochip_hierarchy_irq_domain_alloc()
1143 chip_err(gc, "can't look up hwirq %lu\n", hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1146 chip_dbg(gc, "found parent hwirq %u\n", parent_hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1155 gc->irq.chip, in gpiochip_hierarchy_irq_domain_alloc()
1156 gc, in gpiochip_hierarchy_irq_domain_alloc()
1162 parent_arg = girq->populate_parent_alloc_arg(gc, parent_hwirq, parent_type); in gpiochip_hierarchy_irq_domain_alloc()
1166 chip_dbg(gc, "alloc_irqs_parent for %d parent hwirq %d\n", in gpiochip_hierarchy_irq_domain_alloc()
1168 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_hierarchy_irq_domain_alloc()
1177 chip_err(gc, in gpiochip_hierarchy_irq_domain_alloc()
1185 static unsigned int gpiochip_child_offset_to_irq_noop(struct gpio_chip *gc, in gpiochip_child_offset_to_irq_noop() argument
1207 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1209 if (!gc->irq.child_to_parent_hwirq || in gpiochip_hierarchy_add_domain()
1210 !gc->irq.fwnode) { in gpiochip_hierarchy_add_domain()
1211 chip_err(gc, "missing irqdomain vital data\n"); in gpiochip_hierarchy_add_domain()
1215 if (!gc->irq.child_offset_to_irq) in gpiochip_hierarchy_add_domain()
1216 gc->irq.child_offset_to_irq = gpiochip_child_offset_to_irq_noop; in gpiochip_hierarchy_add_domain()
1218 if (!gc->irq.populate_parent_alloc_arg) in gpiochip_hierarchy_add_domain()
1219 gc->irq.populate_parent_alloc_arg = in gpiochip_hierarchy_add_domain()
1222 gpiochip_hierarchy_setup_domain_ops(&gc->irq.child_irq_domain_ops); in gpiochip_hierarchy_add_domain()
1224 gc->irq.domain = irq_domain_create_hierarchy( in gpiochip_hierarchy_add_domain()
1225 gc->irq.parent_domain, in gpiochip_hierarchy_add_domain()
1227 gc->ngpio, in gpiochip_hierarchy_add_domain()
1228 gc->irq.fwnode, in gpiochip_hierarchy_add_domain()
1229 &gc->irq.child_irq_domain_ops, in gpiochip_hierarchy_add_domain()
1230 gc); in gpiochip_hierarchy_add_domain()
1232 if (!gc->irq.domain) in gpiochip_hierarchy_add_domain()
1235 gpiochip_set_hierarchical_irqchip(gc, gc->irq.chip); in gpiochip_hierarchy_add_domain()
1240 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1242 return !!gc->irq.parent_domain; in gpiochip_hierarchy_is_hierarchical()
1245 void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_twocell() argument
1255 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_twocell()
1264 void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_fourcell() argument
1274 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_fourcell()
1287 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1292 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1312 struct gpio_chip *gc = d->host_data; in gpiochip_irq_map() local
1315 if (!gpiochip_irqchip_irq_valid(gc, hwirq)) in gpiochip_irq_map()
1318 irq_set_chip_data(irq, gc); in gpiochip_irq_map()
1323 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_irq_map()
1324 irq_set_chip_and_handler(irq, gc->irq.chip, gc->irq.handler); in gpiochip_irq_map()
1326 if (gc->irq.threaded) in gpiochip_irq_map()
1330 if (gc->irq.num_parents == 1) in gpiochip_irq_map()
1331 ret = irq_set_parent(irq, gc->irq.parents[0]); in gpiochip_irq_map()
1332 else if (gc->irq.map) in gpiochip_irq_map()
1333 ret = irq_set_parent(irq, gc->irq.map[hwirq]); in gpiochip_irq_map()
1342 if (gc->irq.default_type != IRQ_TYPE_NONE) in gpiochip_irq_map()
1343 irq_set_irq_type(irq, gc->irq.default_type); in gpiochip_irq_map()
1351 struct gpio_chip *gc = d->host_data; in gpiochip_irq_unmap() local
1353 if (gc->irq.threaded) in gpiochip_irq_unmap()
1385 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_activate() local
1387 return gpiochip_lock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_activate()
1403 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_deactivate() local
1405 return gpiochip_unlock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_deactivate()
1409 static int gpiochip_to_irq(struct gpio_chip *gc, unsigned offset) in gpiochip_to_irq() argument
1411 struct irq_domain *domain = gc->irq.domain; in gpiochip_to_irq()
1419 if (!gc->irq.initialized) in gpiochip_to_irq()
1423 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_to_irq()
1432 spec.param[0] = gc->irq.child_offset_to_irq(gc, offset); in gpiochip_to_irq()
1444 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_reqres() local
1446 return gpiochip_reqres_irq(gc, d->hwirq); in gpiochip_irq_reqres()
1451 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_relres() local
1453 gpiochip_relres_irq(gc, d->hwirq); in gpiochip_irq_relres()
1458 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_mask() local
1460 if (gc->irq.irq_mask) in gpiochip_irq_mask()
1461 gc->irq.irq_mask(d); in gpiochip_irq_mask()
1462 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_mask()
1467 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_unmask() local
1469 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_unmask()
1470 if (gc->irq.irq_unmask) in gpiochip_irq_unmask()
1471 gc->irq.irq_unmask(d); in gpiochip_irq_unmask()
1476 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_enable() local
1478 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_enable()
1479 gc->irq.irq_enable(d); in gpiochip_irq_enable()
1484 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_disable() local
1486 gc->irq.irq_disable(d); in gpiochip_irq_disable()
1487 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_disable()
1490 static void gpiochip_set_irq_hooks(struct gpio_chip *gc) in gpiochip_set_irq_hooks() argument
1492 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_set_irq_hooks()
1499 if (WARN_ON(gc->irq.irq_enable)) in gpiochip_set_irq_hooks()
1508 chip_info(gc, in gpiochip_set_irq_hooks()
1514 gc->irq.irq_disable = irqchip->irq_disable; in gpiochip_set_irq_hooks()
1517 gc->irq.irq_mask = irqchip->irq_mask; in gpiochip_set_irq_hooks()
1522 gc->irq.irq_enable = irqchip->irq_enable; in gpiochip_set_irq_hooks()
1525 gc->irq.irq_unmask = irqchip->irq_unmask; in gpiochip_set_irq_hooks()
1536 static int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1540 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_add_irqchip()
1549 if (gc->irq.parent_handler && gc->can_sleep) { in gpiochip_add_irqchip()
1550 chip_err(gc, "you cannot have chained interrupts on a chip that may sleep\n"); in gpiochip_add_irqchip()
1554 np = gc->gpiodev->dev.of_node; in gpiochip_add_irqchip()
1555 type = gc->irq.default_type; in gpiochip_add_irqchip()
1566 if (has_acpi_companion(gc->parent) && type != IRQ_TYPE_NONE) { in gpiochip_add_irqchip()
1567 acpi_handle_warn(ACPI_HANDLE(gc->parent), in gpiochip_add_irqchip()
1572 gc->to_irq = gpiochip_to_irq; in gpiochip_add_irqchip()
1573 gc->irq.default_type = type; in gpiochip_add_irqchip()
1574 gc->irq.lock_key = lock_key; in gpiochip_add_irqchip()
1575 gc->irq.request_key = request_key; in gpiochip_add_irqchip()
1578 if (gpiochip_hierarchy_is_hierarchical(gc)) { in gpiochip_add_irqchip()
1579 int ret = gpiochip_hierarchy_add_domain(gc); in gpiochip_add_irqchip()
1584 if (gc->irq.domain_ops) in gpiochip_add_irqchip()
1585 ops = gc->irq.domain_ops; in gpiochip_add_irqchip()
1589 gc->irq.domain = irq_domain_add_simple(np, in gpiochip_add_irqchip()
1590 gc->ngpio, in gpiochip_add_irqchip()
1591 gc->irq.first, in gpiochip_add_irqchip()
1592 ops, gc); in gpiochip_add_irqchip()
1593 if (!gc->irq.domain) in gpiochip_add_irqchip()
1597 if (gc->irq.parent_handler) { in gpiochip_add_irqchip()
1598 void *data = gc->irq.parent_handler_data ?: gc; in gpiochip_add_irqchip()
1600 for (i = 0; i < gc->irq.num_parents; i++) { in gpiochip_add_irqchip()
1606 irq_set_chained_handler_and_data(gc->irq.parents[i], in gpiochip_add_irqchip()
1607 gc->irq.parent_handler, in gpiochip_add_irqchip()
1612 gpiochip_set_irq_hooks(gc); in gpiochip_add_irqchip()
1621 gc->irq.initialized = true; in gpiochip_add_irqchip()
1623 acpi_gpiochip_request_interrupts(gc); in gpiochip_add_irqchip()
1634 static void gpiochip_irqchip_remove(struct gpio_chip *gc) in gpiochip_irqchip_remove() argument
1636 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_irqchip_remove()
1639 acpi_gpiochip_free_interrupts(gc); in gpiochip_irqchip_remove()
1641 if (irqchip && gc->irq.parent_handler) { in gpiochip_irqchip_remove()
1642 struct gpio_irq_chip *irq = &gc->irq; in gpiochip_irqchip_remove()
1651 if (gc->irq.domain) { in gpiochip_irqchip_remove()
1654 for (offset = 0; offset < gc->ngpio; offset++) { in gpiochip_irqchip_remove()
1655 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_irqchip_remove()
1658 irq = irq_find_mapping(gc->irq.domain, offset); in gpiochip_irqchip_remove()
1662 irq_domain_remove(gc->irq.domain); in gpiochip_irqchip_remove()
1671 irqchip->irq_enable = gc->irq.irq_enable; in gpiochip_irqchip_remove()
1672 irqchip->irq_disable = gc->irq.irq_disable; in gpiochip_irqchip_remove()
1675 gc->irq.irq_enable = NULL; in gpiochip_irqchip_remove()
1676 gc->irq.irq_disable = NULL; in gpiochip_irqchip_remove()
1677 gc->irq.chip = NULL; in gpiochip_irqchip_remove()
1679 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_irqchip_remove()
1709 int gpiochip_irqchip_add_key(struct gpio_chip *gc, in gpiochip_irqchip_add_key() argument
1720 if (!gc || !irqchip) in gpiochip_irqchip_add_key()
1723 if (!gc->parent) { in gpiochip_irqchip_add_key()
1724 chip_err(gc, "missing gpiochip .dev parent pointer\n"); in gpiochip_irqchip_add_key()
1727 gc->irq.threaded = threaded; in gpiochip_irqchip_add_key()
1728 of_node = gc->parent->of_node; in gpiochip_irqchip_add_key()
1735 if (gc->of_node) in gpiochip_irqchip_add_key()
1736 of_node = gc->of_node; in gpiochip_irqchip_add_key()
1746 if (has_acpi_companion(gc->parent) && type != IRQ_TYPE_NONE) { in gpiochip_irqchip_add_key()
1747 acpi_handle_warn(ACPI_HANDLE(gc->parent), in gpiochip_irqchip_add_key()
1752 gc->irq.chip = irqchip; in gpiochip_irqchip_add_key()
1753 gc->irq.handler = handler; in gpiochip_irqchip_add_key()
1754 gc->irq.default_type = type; in gpiochip_irqchip_add_key()
1755 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_key()
1756 gc->irq.lock_key = lock_key; in gpiochip_irqchip_add_key()
1757 gc->irq.request_key = request_key; in gpiochip_irqchip_add_key()
1758 gc->irq.domain = irq_domain_add_simple(of_node, in gpiochip_irqchip_add_key()
1759 gc->ngpio, first_irq, in gpiochip_irqchip_add_key()
1760 &gpiochip_domain_ops, gc); in gpiochip_irqchip_add_key()
1761 if (!gc->irq.domain) { in gpiochip_irqchip_add_key()
1762 gc->irq.chip = NULL; in gpiochip_irqchip_add_key()
1766 gpiochip_set_irq_hooks(gc); in gpiochip_irqchip_add_key()
1768 acpi_gpiochip_request_interrupts(gc); in gpiochip_irqchip_add_key()
1781 int gpiochip_irqchip_add_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_domain() argument
1787 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_domain()
1788 gc->irq.domain = domain; in gpiochip_irqchip_add_domain()
1796 static inline int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1802 static void gpiochip_irqchip_remove(struct gpio_chip *gc) {} in gpiochip_irqchip_remove() argument
1804 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1809 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1813 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1823 int gpiochip_generic_request(struct gpio_chip *gc, unsigned offset) in gpiochip_generic_request() argument
1826 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_request()
1830 return pinctrl_gpio_request(gc->gpiodev->base + offset); in gpiochip_generic_request()
1839 void gpiochip_generic_free(struct gpio_chip *gc, unsigned offset) in gpiochip_generic_free() argument
1842 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_free()
1846 pinctrl_gpio_free(gc->gpiodev->base + offset); in gpiochip_generic_free()
1856 int gpiochip_generic_config(struct gpio_chip *gc, unsigned offset, in gpiochip_generic_config() argument
1859 return pinctrl_gpio_set_config(gc->gpiodev->base + offset, config); in gpiochip_generic_config()
1877 int gpiochip_add_pingroup_range(struct gpio_chip *gc, in gpiochip_add_pingroup_range() argument
1882 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pingroup_range()
1887 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pingroup_range()
1893 pin_range->range.gc = gc; in gpiochip_add_pingroup_range()
1894 pin_range->range.name = gc->label; in gpiochip_add_pingroup_range()
1908 chip_dbg(gc, "created GPIO range %d->%d ==> %s PINGRP %s\n", in gpiochip_add_pingroup_range()
1935 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name, in gpiochip_add_pin_range() argument
1940 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pin_range()
1945 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pin_range()
1951 pin_range->range.gc = gc; in gpiochip_add_pin_range()
1952 pin_range->range.name = gc->label; in gpiochip_add_pin_range()
1960 chip_err(gc, "could not create pin range\n"); in gpiochip_add_pin_range()
1964 chip_dbg(gc, "created GPIO range %d->%d ==> %s PIN %d->%d\n", in gpiochip_add_pin_range()
1979 void gpiochip_remove_pin_ranges(struct gpio_chip *gc) in gpiochip_remove_pin_ranges() argument
1982 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove_pin_ranges()
2001 struct gpio_chip *gc = desc->gdev->chip; in gpiod_request_commit() local
2027 if (gc->request) { in gpiod_request_commit()
2031 if (gpiochip_line_is_valid(gc, offset)) in gpiod_request_commit()
2032 ret = gc->request(gc, offset); in gpiod_request_commit()
2044 if (gc->get_direction) { in gpiod_request_commit()
2119 struct gpio_chip *gc; in gpiod_free_commit() local
2127 gc = desc->gdev->chip; in gpiod_free_commit()
2128 if (gc && test_bit(FLAG_REQUESTED, &desc->flags)) { in gpiod_free_commit()
2129 if (gc->free) { in gpiod_free_commit()
2131 might_sleep_if(gc->can_sleep); in gpiod_free_commit()
2132 gc->free(gc, gpio_chip_hwgpio(desc)); in gpiod_free_commit()
2186 const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned offset) in gpiochip_is_requested() argument
2190 if (offset >= gc->ngpio) in gpiochip_is_requested()
2193 desc = gpiochip_get_desc(gc, offset); in gpiochip_is_requested()
2224 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, in gpiochip_request_own_desc() argument
2230 struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum); in gpiochip_request_own_desc()
2234 chip_err(gc, "failed to get GPIO descriptor\n"); in gpiochip_request_own_desc()
2244 chip_err(gc, "setup of own GPIO %s failed\n", label); in gpiochip_request_own_desc()
2277 static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, in gpio_do_set_config() argument
2280 if (!gc->set_config) in gpio_do_set_config()
2283 return gc->set_config(gc, offset, config); in gpio_do_set_config()
2288 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_config() local
2303 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpio_set_config()
2337 struct gpio_chip *gc; in gpiod_direction_input() local
2341 gc = desc->gdev->chip; in gpiod_direction_input()
2348 if (!gc->get && gc->direction_input) { in gpiod_direction_input()
2361 if (gc->direction_input) { in gpiod_direction_input()
2362 ret = gc->direction_input(gc, gpio_chip_hwgpio(desc)); in gpiod_direction_input()
2363 } else if (gc->get_direction && in gpiod_direction_input()
2364 (gc->get_direction(gc, gpio_chip_hwgpio(desc)) != 1)) { in gpiod_direction_input()
2383 struct gpio_chip *gc = desc->gdev->chip; in gpiod_direction_output_raw_commit() local
2392 if (!gc->set && !gc->direction_output) { in gpiod_direction_output_raw_commit()
2399 if (gc->direction_output) { in gpiod_direction_output_raw_commit()
2400 ret = gc->direction_output(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2403 if (gc->get_direction && in gpiod_direction_output_raw_commit()
2404 gc->get_direction(gc, gpio_chip_hwgpio(desc))) { in gpiod_direction_output_raw_commit()
2414 gc->set(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2526 struct gpio_chip *gc; in gpiod_set_config() local
2529 gc = desc->gdev->chip; in gpiod_set_config()
2531 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpiod_set_config()
2563 struct gpio_chip *gc; in gpiod_set_transitory() local
2576 gc = desc->gdev->chip; in gpiod_set_transitory()
2577 if (!gc->set_config) in gpiod_set_transitory()
2583 rc = gpio_do_set_config(gc, gpio, packed); in gpiod_set_transitory()
2642 struct gpio_chip *gc; in gpiod_get_raw_value_commit() local
2646 gc = desc->gdev->chip; in gpiod_get_raw_value_commit()
2648 value = gc->get ? gc->get(gc, offset) : -EIO; in gpiod_get_raw_value_commit()
2654 static int gpio_chip_get_multiple(struct gpio_chip *gc, in gpio_chip_get_multiple() argument
2657 if (gc->get_multiple) in gpio_chip_get_multiple()
2658 return gc->get_multiple(gc, mask, bits); in gpio_chip_get_multiple()
2659 if (gc->get) { in gpio_chip_get_multiple()
2662 for_each_set_bit(i, mask, gc->ngpio) { in gpio_chip_get_multiple()
2663 value = gc->get(gc, i); in gpio_chip_get_multiple()
2710 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_get_array_value_complex() local
2715 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_get_array_value_complex()
2718 mask = kmalloc_array(2 * BITS_TO_LONGS(gc->ngpio), in gpiod_get_array_value_complex()
2725 bits = mask + BITS_TO_LONGS(gc->ngpio); in gpiod_get_array_value_complex()
2726 bitmap_zero(mask, gc->ngpio); in gpiod_get_array_value_complex()
2729 WARN_ON(gc->can_sleep); in gpiod_get_array_value_complex()
2744 (desc_array[i]->gdev->chip == gc)); in gpiod_get_array_value_complex()
2746 ret = gpio_chip_get_multiple(gc, mask, bits); in gpiod_get_array_value_complex()
2884 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_drain_value_commit() local
2888 ret = gc->direction_input(gc, offset); in gpio_set_open_drain_value_commit()
2890 ret = gc->direction_output(gc, offset, 0); in gpio_set_open_drain_value_commit()
2909 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_source_value_commit() local
2913 ret = gc->direction_output(gc, offset, 1); in gpio_set_open_source_value_commit()
2917 ret = gc->direction_input(gc, offset); in gpio_set_open_source_value_commit()
2928 struct gpio_chip *gc; in gpiod_set_raw_value_commit() local
2930 gc = desc->gdev->chip; in gpiod_set_raw_value_commit()
2932 gc->set(gc, gpio_chip_hwgpio(desc), value); in gpiod_set_raw_value_commit()
2945 static void gpio_chip_set_multiple(struct gpio_chip *gc, in gpio_chip_set_multiple() argument
2948 if (gc->set_multiple) { in gpio_chip_set_multiple()
2949 gc->set_multiple(gc, mask, bits); in gpio_chip_set_multiple()
2954 for_each_set_bit(i, mask, gc->ngpio) in gpio_chip_set_multiple()
2955 gc->set(gc, i, test_bit(i, bits)); in gpio_chip_set_multiple()
2993 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_set_array_value_complex() local
2998 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_set_array_value_complex()
3001 mask = kmalloc_array(2 * BITS_TO_LONGS(gc->ngpio), in gpiod_set_array_value_complex()
3008 bits = mask + BITS_TO_LONGS(gc->ngpio); in gpiod_set_array_value_complex()
3009 bitmap_zero(mask, gc->ngpio); in gpiod_set_array_value_complex()
3012 WARN_ON(gc->can_sleep); in gpiod_set_array_value_complex()
3048 (desc_array[i]->gdev->chip == gc)); in gpiod_set_array_value_complex()
3051 gpio_chip_set_multiple(gc, mask, bits); in gpiod_set_array_value_complex()
3213 struct gpio_chip *gc; in gpiod_to_irq() local
3224 gc = desc->gdev->chip; in gpiod_to_irq()
3226 if (gc->to_irq) { in gpiod_to_irq()
3227 int retirq = gc->to_irq(gc, offset); in gpiod_to_irq()
3236 if (gc->irq.chip) { in gpiod_to_irq()
3257 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_lock_as_irq() argument
3261 desc = gpiochip_get_desc(gc, offset); in gpiochip_lock_as_irq()
3269 if (!gc->can_sleep && gc->get_direction) { in gpiochip_lock_as_irq()
3273 chip_err(gc, "%s: cannot get GPIO direction\n", in gpiochip_lock_as_irq()
3282 chip_err(gc, in gpiochip_lock_as_irq()
3311 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_unlock_as_irq() argument
3315 desc = gpiochip_get_desc(gc, offset); in gpiochip_unlock_as_irq()
3328 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_disable_irq() argument
3330 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_disable_irq()
3338 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_enable_irq() argument
3340 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_enable_irq()
3355 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_irq() argument
3357 if (offset >= gc->ngpio) in gpiochip_line_is_irq()
3360 return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_irq()
3364 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_reqres_irq() argument
3368 if (!try_module_get(gc->gpiodev->owner)) in gpiochip_reqres_irq()
3371 ret = gpiochip_lock_as_irq(gc, offset); in gpiochip_reqres_irq()
3373 chip_err(gc, "unable to lock HW IRQ %u for IRQ\n", offset); in gpiochip_reqres_irq()
3374 module_put(gc->gpiodev->owner); in gpiochip_reqres_irq()
3381 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_relres_irq() argument
3383 gpiochip_unlock_as_irq(gc, offset); in gpiochip_relres_irq()
3384 module_put(gc->gpiodev->owner); in gpiochip_relres_irq()
3388 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_drain() argument
3390 if (offset >= gc->ngpio) in gpiochip_line_is_open_drain()
3393 return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_drain()
3397 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_source() argument
3399 if (offset >= gc->ngpio) in gpiochip_line_is_open_source()
3402 return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_source()
3406 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_persistent() argument
3408 if (offset >= gc->ngpio) in gpiochip_line_is_persistent()
3411 return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_persistent()
3649 struct gpio_chip *gc; in gpiod_add_hogs() local
3661 gc = find_chip_by_name(hog->chip_label); in gpiod_add_hogs()
3662 if (gc) in gpiod_add_hogs()
3663 gpiochip_machine_hog(gc, hog); in gpiod_add_hogs()
3713 struct gpio_chip *gc; in gpiod_find() local
3735 gc = find_chip_by_name(p->key); in gpiod_find()
3737 if (!gc) { in gpiod_find()
3750 if (gc->ngpio <= p->chip_hwnum) { in gpiod_find()
3753 idx, p->chip_hwnum, gc->ngpio - 1, in gpiod_find()
3754 gc->label); in gpiod_find()
3758 desc = gpiochip_get_desc(gc, p->chip_hwnum); in gpiod_find()
4159 struct gpio_chip *gc; in gpiod_hog() local
4164 gc = gpiod_to_chip(desc); in gpiod_hog()
4167 local_desc = gpiochip_request_own_desc(gc, hwnum, name, in gpiod_hog()
4172 name, gc->label, hwnum, ret); in gpiod_hog()
4191 static void gpiochip_free_hogs(struct gpio_chip *gc) in gpiochip_free_hogs() argument
4195 for (id = 0; id < gc->ngpio; id++) { in gpiochip_free_hogs()
4196 if (test_bit(FLAG_IS_HOGGED, &gc->gpiodev->descs[id].flags)) in gpiochip_free_hogs()
4197 gpiochip_free_own_desc(&gc->gpiodev->descs[id]); in gpiochip_free_hogs()
4220 struct gpio_chip *gc; in gpiod_get_array() local
4240 gc = gpiod_to_chip(desc); in gpiod_get_array()
4248 bitmap_size = BITS_TO_LONGS(gc->ngpio > count ? in gpiod_get_array()
4249 gc->ngpio : count); in gpiod_get_array()
4272 array_info->chip = gc; in gpiod_get_array()
4280 if (array_info && array_info->chip != gc) { in gpiod_get_array()
4305 if (gpiochip_line_is_open_drain(gc, descs->ndescs) || in gpiod_get_array()
4306 gpiochip_line_is_open_source(gc, descs->ndescs)) in gpiod_get_array()
4413 struct gpio_chip *gc = gdev->chip; in gpiolib_dbg_show() local
4436 gc->get ? (gc->get(gc, i) ? "hi" : "lo") : "? ", in gpiolib_dbg_show()
4488 struct gpio_chip *gc = gdev->chip; in gpiolib_seq_show() local
4491 if (!gc) { in gpiolib_seq_show()
4500 parent = gc->parent; in gpiolib_seq_show()
4505 if (gc->label) in gpiolib_seq_show()
4506 seq_printf(s, ", %s", gc->label); in gpiolib_seq_show()
4507 if (gc->can_sleep) in gpiolib_seq_show()
4511 if (gc->dbg_show) in gpiolib_seq_show()
4512 gc->dbg_show(s, gc); in gpiolib_seq_show()