Lines Matching refs:gc
83 static void gpiochip_free_hogs(struct gpio_chip *gc);
84 static int gpiochip_add_irqchip(struct gpio_chip *gc,
87 static void gpiochip_irqchip_remove(struct gpio_chip *gc);
88 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc);
89 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc);
90 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc);
141 struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, in gpiochip_get_desc() argument
144 struct gpio_device *gdev = gc->gpiodev; in gpiochip_get_desc()
215 struct gpio_chip *gc; in gpiod_get_direction() local
219 gc = gpiod_to_chip(desc); in gpiod_get_direction()
230 if (!gc->get_direction) in gpiod_get_direction()
233 ret = gc->get_direction(gc, offset); in gpiod_get_direction()
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()
545 static void gpiochip_machine_hog(struct gpio_chip *gc, struct gpiod_hog *hog) in gpiochip_machine_hog() argument
550 desc = gpiochip_get_desc(gc, hog->chip_hwnum); in gpiochip_machine_hog()
552 chip_err(gc, "%s: unable to get GPIO desc: %ld\n", __func__, in gpiochip_machine_hog()
563 __func__, gc->label, hog->chip_hwnum, rv); in gpiochip_machine_hog()
566 static void machine_gpiochip_add(struct gpio_chip *gc) in machine_gpiochip_add() argument
573 if (!strcmp(gc->label, hog->chip_label)) in machine_gpiochip_add()
574 gpiochip_machine_hog(gc, hog); in machine_gpiochip_add()
593 int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, in gpiochip_add_data_with_key() argument
600 int base = gc->base; in gpiochip_add_data_with_key()
605 if (gc->fwnode) in gpiochip_add_data_with_key()
606 fwnode = gc->fwnode; in gpiochip_add_data_with_key()
607 else if (gc->parent) in gpiochip_add_data_with_key()
608 fwnode = dev_fwnode(gc->parent); in gpiochip_add_data_with_key()
618 gdev->dev.parent = gc->parent; in gpiochip_add_data_with_key()
619 gdev->chip = gc; in gpiochip_add_data_with_key()
620 gc->gpiodev = gdev; in gpiochip_add_data_with_key()
622 of_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
623 acpi_gpio_dev_init(gc, gdev); in gpiochip_add_data_with_key()
642 if (gc->parent && gc->parent->driver) in gpiochip_add_data_with_key()
643 gdev->owner = gc->parent->driver->owner; in gpiochip_add_data_with_key()
644 else if (gc->owner) in gpiochip_add_data_with_key()
646 gdev->owner = gc->owner; in gpiochip_add_data_with_key()
650 gdev->descs = kcalloc(gc->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL); in gpiochip_add_data_with_key()
660 if (gc->ngpio == 0) { in gpiochip_add_data_with_key()
673 gc->ngpio = ngpios; in gpiochip_add_data_with_key()
676 if (gc->ngpio == 0) { in gpiochip_add_data_with_key()
677 chip_err(gc, "tried to insert a GPIO chip with zero lines\n"); in gpiochip_add_data_with_key()
682 if (gc->ngpio > FASTPATH_NGPIO) in gpiochip_add_data_with_key()
683 chip_warn(gc, "line cnt %u is greater than fast path cnt %u\n", in gpiochip_add_data_with_key()
684 gc->ngpio, FASTPATH_NGPIO); in gpiochip_add_data_with_key()
686 gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL); in gpiochip_add_data_with_key()
692 gdev->ngpio = gc->ngpio; in gpiochip_add_data_with_key()
705 base = gpiochip_find_base(gc->ngpio); in gpiochip_add_data_with_key()
717 gc->base = base; in gpiochip_add_data_with_key()
724 chip_err(gc, "GPIO integer space overlap, cannot add chip\n"); in gpiochip_add_data_with_key()
728 for (i = 0; i < gc->ngpio; i++) in gpiochip_add_data_with_key()
739 if (gc->names) { in gpiochip_add_data_with_key()
740 ret = gpiochip_set_desc_names(gc); in gpiochip_add_data_with_key()
744 ret = devprop_gpiochip_set_names(gc); in gpiochip_add_data_with_key()
748 ret = gpiochip_alloc_valid_mask(gc); in gpiochip_add_data_with_key()
752 ret = of_gpiochip_add(gc); in gpiochip_add_data_with_key()
756 ret = gpiochip_init_valid_mask(gc); in gpiochip_add_data_with_key()
760 for (i = 0; i < gc->ngpio; i++) { in gpiochip_add_data_with_key()
763 if (gc->get_direction && gpiochip_line_is_valid(gc, i)) { in gpiochip_add_data_with_key()
765 &desc->flags, !gc->get_direction(gc, i)); in gpiochip_add_data_with_key()
768 &desc->flags, !gc->direction_input); in gpiochip_add_data_with_key()
772 ret = gpiochip_add_pin_ranges(gc); in gpiochip_add_data_with_key()
776 acpi_gpiochip_add(gc); in gpiochip_add_data_with_key()
778 machine_gpiochip_add(gc); in gpiochip_add_data_with_key()
780 ret = gpiochip_irqchip_init_valid_mask(gc); in gpiochip_add_data_with_key()
784 ret = gpiochip_irqchip_init_hw(gc); in gpiochip_add_data_with_key()
788 ret = gpiochip_add_irqchip(gc, lock_key, request_key); in gpiochip_add_data_with_key()
808 gpiochip_irqchip_remove(gc); in gpiochip_add_data_with_key()
810 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_add_data_with_key()
812 acpi_gpiochip_remove(gc); in gpiochip_add_data_with_key()
814 gpiochip_free_hogs(gc); in gpiochip_add_data_with_key()
815 of_gpiochip_remove(gc); in gpiochip_add_data_with_key()
817 gpiochip_remove_pin_ranges(gc); in gpiochip_add_data_with_key()
818 gpiochip_free_valid_mask(gc); in gpiochip_add_data_with_key()
836 gc->label ? : "generic", ret); in gpiochip_add_data_with_key()
850 void *gpiochip_get_data(struct gpio_chip *gc) in gpiochip_get_data() argument
852 return gc->gpiodev->data; in gpiochip_get_data()
862 void gpiochip_remove(struct gpio_chip *gc) in gpiochip_remove() argument
864 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove()
870 gpiochip_free_hogs(gc); in gpiochip_remove()
873 gpiochip_irqchip_remove(gc); in gpiochip_remove()
874 acpi_gpiochip_remove(gc); in gpiochip_remove()
875 of_gpiochip_remove(gc); in gpiochip_remove()
876 gpiochip_remove_pin_ranges(gc); in gpiochip_remove()
877 gpiochip_free_valid_mask(gc); in gpiochip_remove()
886 if (gpiochip_is_requested(gc, i)) in gpiochip_remove()
918 int (*match)(struct gpio_chip *gc, in gpiochip_find() argument
922 struct gpio_chip *gc = NULL; in gpiochip_find() local
928 gc = gdev->chip; in gpiochip_find()
934 return gc; in gpiochip_find()
938 static int gpiochip_match_name(struct gpio_chip *gc, void *data) in gpiochip_match_name() argument
942 return !strcmp(gc->label, name); in gpiochip_match_name()
956 static int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
958 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_hw()
963 return girq->init_hw(gc); in gpiochip_irqchip_init_hw()
966 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
968 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_irqchip_init_valid_mask()
973 girq->valid_mask = gpiochip_allocate_mask(gc); in gpiochip_irqchip_init_valid_mask()
977 girq->init_valid_mask(gc, girq->valid_mask, gc->ngpio); in gpiochip_irqchip_init_valid_mask()
982 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
984 bitmap_free(gc->irq.valid_mask); in gpiochip_irqchip_free_valid_mask()
985 gc->irq.valid_mask = NULL; in gpiochip_irqchip_free_valid_mask()
988 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gc, in gpiochip_irqchip_irq_valid() argument
991 if (!gpiochip_line_is_valid(gc, offset)) in gpiochip_irqchip_irq_valid()
994 if (likely(!gc->irq.valid_mask)) in gpiochip_irqchip_irq_valid()
996 return test_bit(offset, gc->irq.valid_mask); in gpiochip_irqchip_irq_valid()
1009 static void gpiochip_set_hierarchical_irqchip(struct gpio_chip *gc, in gpiochip_set_hierarchical_irqchip() argument
1013 if (is_of_node(gc->irq.fwnode)) in gpiochip_set_hierarchical_irqchip()
1024 if (is_fwnode_irqchip(gc->irq.fwnode)) { in gpiochip_set_hierarchical_irqchip()
1028 for (i = 0; i < gc->ngpio; i++) { in gpiochip_set_hierarchical_irqchip()
1032 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_set_hierarchical_irqchip()
1040 ret = girq->child_to_parent_hwirq(gc, i, in gpiochip_set_hierarchical_irqchip()
1045 chip_err(gc, "skip set-up on hwirq %d\n", in gpiochip_set_hierarchical_irqchip()
1050 fwspec.fwnode = gc->irq.fwnode; in gpiochip_set_hierarchical_irqchip()
1052 fwspec.param[0] = girq->child_offset_to_irq(gc, i); in gpiochip_set_hierarchical_irqchip()
1056 ret = __irq_domain_alloc_irqs(gc->irq.domain, in gpiochip_set_hierarchical_irqchip()
1065 chip_err(gc, in gpiochip_set_hierarchical_irqchip()
1073 chip_err(gc, "%s unknown fwnode type proceed anyway\n", __func__); in gpiochip_set_hierarchical_irqchip()
1106 struct gpio_chip *gc = d->host_data; in gpiochip_hierarchy_irq_domain_alloc() local
1113 struct gpio_irq_chip *girq = &gc->irq; in gpiochip_hierarchy_irq_domain_alloc()
1122 ret = gc->irq.child_irq_domain_ops.translate(d, fwspec, &hwirq, &type); in gpiochip_hierarchy_irq_domain_alloc()
1126 chip_dbg(gc, "allocate IRQ %d, hwirq %lu\n", irq, hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1128 ret = girq->child_to_parent_hwirq(gc, hwirq, type, in gpiochip_hierarchy_irq_domain_alloc()
1131 chip_err(gc, "can't look up hwirq %lu\n", hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1134 chip_dbg(gc, "found parent hwirq %u\n", parent_hwirq); in gpiochip_hierarchy_irq_domain_alloc()
1143 gc->irq.chip, in gpiochip_hierarchy_irq_domain_alloc()
1144 gc, in gpiochip_hierarchy_irq_domain_alloc()
1150 parent_arg = girq->populate_parent_alloc_arg(gc, parent_hwirq, parent_type); in gpiochip_hierarchy_irq_domain_alloc()
1154 chip_dbg(gc, "alloc_irqs_parent for %d parent hwirq %d\n", in gpiochip_hierarchy_irq_domain_alloc()
1156 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_hierarchy_irq_domain_alloc()
1165 chip_err(gc, in gpiochip_hierarchy_irq_domain_alloc()
1173 static unsigned int gpiochip_child_offset_to_irq_noop(struct gpio_chip *gc, in gpiochip_child_offset_to_irq_noop() argument
1195 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1197 if (!gc->irq.child_to_parent_hwirq || in gpiochip_hierarchy_add_domain()
1198 !gc->irq.fwnode) { in gpiochip_hierarchy_add_domain()
1199 chip_err(gc, "missing irqdomain vital data\n"); in gpiochip_hierarchy_add_domain()
1203 if (!gc->irq.child_offset_to_irq) in gpiochip_hierarchy_add_domain()
1204 gc->irq.child_offset_to_irq = gpiochip_child_offset_to_irq_noop; in gpiochip_hierarchy_add_domain()
1206 if (!gc->irq.populate_parent_alloc_arg) in gpiochip_hierarchy_add_domain()
1207 gc->irq.populate_parent_alloc_arg = in gpiochip_hierarchy_add_domain()
1210 gpiochip_hierarchy_setup_domain_ops(&gc->irq.child_irq_domain_ops); in gpiochip_hierarchy_add_domain()
1212 gc->irq.domain = irq_domain_create_hierarchy( in gpiochip_hierarchy_add_domain()
1213 gc->irq.parent_domain, in gpiochip_hierarchy_add_domain()
1215 gc->ngpio, in gpiochip_hierarchy_add_domain()
1216 gc->irq.fwnode, in gpiochip_hierarchy_add_domain()
1217 &gc->irq.child_irq_domain_ops, in gpiochip_hierarchy_add_domain()
1218 gc); in gpiochip_hierarchy_add_domain()
1220 if (!gc->irq.domain) in gpiochip_hierarchy_add_domain()
1223 gpiochip_set_hierarchical_irqchip(gc, gc->irq.chip); in gpiochip_hierarchy_add_domain()
1228 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1230 return !!gc->irq.parent_domain; in gpiochip_hierarchy_is_hierarchical()
1233 void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_twocell() argument
1243 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_twocell()
1252 void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, in gpiochip_populate_parent_fwspec_fourcell() argument
1262 fwspec->fwnode = gc->irq.parent_domain->fwnode; in gpiochip_populate_parent_fwspec_fourcell()
1275 static int gpiochip_hierarchy_add_domain(struct gpio_chip *gc) in gpiochip_hierarchy_add_domain() argument
1280 static bool gpiochip_hierarchy_is_hierarchical(struct gpio_chip *gc) in gpiochip_hierarchy_is_hierarchical() argument
1300 struct gpio_chip *gc = d->host_data; in gpiochip_irq_map() local
1303 if (!gpiochip_irqchip_irq_valid(gc, hwirq)) in gpiochip_irq_map()
1306 irq_set_chip_data(irq, gc); in gpiochip_irq_map()
1311 irq_set_lockdep_class(irq, gc->irq.lock_key, gc->irq.request_key); in gpiochip_irq_map()
1312 irq_set_chip_and_handler(irq, gc->irq.chip, gc->irq.handler); in gpiochip_irq_map()
1314 if (gc->irq.threaded) in gpiochip_irq_map()
1318 if (gc->irq.num_parents == 1) in gpiochip_irq_map()
1319 ret = irq_set_parent(irq, gc->irq.parents[0]); in gpiochip_irq_map()
1320 else if (gc->irq.map) in gpiochip_irq_map()
1321 ret = irq_set_parent(irq, gc->irq.map[hwirq]); in gpiochip_irq_map()
1330 if (gc->irq.default_type != IRQ_TYPE_NONE) in gpiochip_irq_map()
1331 irq_set_irq_type(irq, gc->irq.default_type); in gpiochip_irq_map()
1339 struct gpio_chip *gc = d->host_data; in gpiochip_irq_unmap() local
1341 if (gc->irq.threaded) in gpiochip_irq_unmap()
1373 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_activate() local
1375 return gpiochip_lock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_activate()
1391 struct gpio_chip *gc = domain->host_data; in gpiochip_irq_domain_deactivate() local
1393 return gpiochip_unlock_as_irq(gc, data->hwirq); in gpiochip_irq_domain_deactivate()
1397 static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_to_irq() argument
1399 struct irq_domain *domain = gc->irq.domain; in gpiochip_to_irq()
1407 if (!gc->irq.initialized) in gpiochip_to_irq()
1411 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_to_irq()
1420 spec.param[0] = gc->irq.child_offset_to_irq(gc, offset); in gpiochip_to_irq()
1432 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_reqres() local
1434 return gpiochip_reqres_irq(gc, d->hwirq); in gpiochip_irq_reqres()
1440 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_relres() local
1442 gpiochip_relres_irq(gc, d->hwirq); in gpiochip_irq_relres()
1448 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_mask() local
1450 if (gc->irq.irq_mask) in gpiochip_irq_mask()
1451 gc->irq.irq_mask(d); in gpiochip_irq_mask()
1452 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_mask()
1457 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_unmask() local
1459 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_unmask()
1460 if (gc->irq.irq_unmask) in gpiochip_irq_unmask()
1461 gc->irq.irq_unmask(d); in gpiochip_irq_unmask()
1466 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_enable() local
1468 gpiochip_enable_irq(gc, d->hwirq); in gpiochip_irq_enable()
1469 gc->irq.irq_enable(d); in gpiochip_irq_enable()
1474 struct gpio_chip *gc = irq_data_get_irq_chip_data(d); in gpiochip_irq_disable() local
1476 gc->irq.irq_disable(d); in gpiochip_irq_disable()
1477 gpiochip_disable_irq(gc, d->hwirq); in gpiochip_irq_disable()
1480 static void gpiochip_set_irq_hooks(struct gpio_chip *gc) in gpiochip_set_irq_hooks() argument
1482 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_set_irq_hooks()
1487 chip_warn(gc, "not an immutable chip, please consider fixing it!\n"); in gpiochip_set_irq_hooks()
1494 if (WARN_ON(gc->irq.irq_enable)) in gpiochip_set_irq_hooks()
1503 chip_info(gc, in gpiochip_set_irq_hooks()
1509 gc->irq.irq_disable = irqchip->irq_disable; in gpiochip_set_irq_hooks()
1512 gc->irq.irq_mask = irqchip->irq_mask; in gpiochip_set_irq_hooks()
1517 gc->irq.irq_enable = irqchip->irq_enable; in gpiochip_set_irq_hooks()
1520 gc->irq.irq_unmask = irqchip->irq_unmask; in gpiochip_set_irq_hooks()
1531 static int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1535 struct fwnode_handle *fwnode = dev_fwnode(&gc->gpiodev->dev); in gpiochip_add_irqchip()
1536 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_add_irqchip()
1543 if (gc->irq.parent_handler && gc->can_sleep) { in gpiochip_add_irqchip()
1544 chip_err(gc, "you cannot have chained interrupts on a chip that may sleep\n"); in gpiochip_add_irqchip()
1548 type = gc->irq.default_type; in gpiochip_add_irqchip()
1559 if (gc->to_irq) in gpiochip_add_irqchip()
1560 chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__); in gpiochip_add_irqchip()
1562 gc->to_irq = gpiochip_to_irq; in gpiochip_add_irqchip()
1563 gc->irq.default_type = type; in gpiochip_add_irqchip()
1564 gc->irq.lock_key = lock_key; in gpiochip_add_irqchip()
1565 gc->irq.request_key = request_key; in gpiochip_add_irqchip()
1568 if (gpiochip_hierarchy_is_hierarchical(gc)) { in gpiochip_add_irqchip()
1569 int ret = gpiochip_hierarchy_add_domain(gc); in gpiochip_add_irqchip()
1574 gc->irq.domain = irq_domain_create_simple(fwnode, in gpiochip_add_irqchip()
1575 gc->ngpio, in gpiochip_add_irqchip()
1576 gc->irq.first, in gpiochip_add_irqchip()
1577 gc->irq.domain_ops ?: &gpiochip_domain_ops, in gpiochip_add_irqchip()
1578 gc); in gpiochip_add_irqchip()
1579 if (!gc->irq.domain) in gpiochip_add_irqchip()
1583 if (gc->irq.parent_handler) { in gpiochip_add_irqchip()
1584 for (i = 0; i < gc->irq.num_parents; i++) { in gpiochip_add_irqchip()
1587 if (gc->irq.per_parent_data) in gpiochip_add_irqchip()
1588 data = gc->irq.parent_handler_data_array[i]; in gpiochip_add_irqchip()
1590 data = gc->irq.parent_handler_data ?: gc; in gpiochip_add_irqchip()
1597 irq_set_chained_handler_and_data(gc->irq.parents[i], in gpiochip_add_irqchip()
1598 gc->irq.parent_handler, in gpiochip_add_irqchip()
1603 gpiochip_set_irq_hooks(gc); in gpiochip_add_irqchip()
1612 gc->irq.initialized = true; in gpiochip_add_irqchip()
1614 acpi_gpiochip_request_interrupts(gc); in gpiochip_add_irqchip()
1625 static void gpiochip_irqchip_remove(struct gpio_chip *gc) in gpiochip_irqchip_remove() argument
1627 struct irq_chip *irqchip = gc->irq.chip; in gpiochip_irqchip_remove()
1630 acpi_gpiochip_free_interrupts(gc); in gpiochip_irqchip_remove()
1632 if (irqchip && gc->irq.parent_handler) { in gpiochip_irqchip_remove()
1633 struct gpio_irq_chip *irq = &gc->irq; in gpiochip_irqchip_remove()
1642 if (gc->irq.domain) { in gpiochip_irqchip_remove()
1645 for (offset = 0; offset < gc->ngpio; offset++) { in gpiochip_irqchip_remove()
1646 if (!gpiochip_irqchip_irq_valid(gc, offset)) in gpiochip_irqchip_remove()
1649 irq = irq_find_mapping(gc->irq.domain, offset); in gpiochip_irqchip_remove()
1653 irq_domain_remove(gc->irq.domain); in gpiochip_irqchip_remove()
1662 irqchip->irq_enable = gc->irq.irq_enable; in gpiochip_irqchip_remove()
1663 irqchip->irq_disable = gc->irq.irq_disable; in gpiochip_irqchip_remove()
1666 gc->irq.irq_enable = NULL; in gpiochip_irqchip_remove()
1667 gc->irq.irq_disable = NULL; in gpiochip_irqchip_remove()
1668 gc->irq.chip = NULL; in gpiochip_irqchip_remove()
1670 gpiochip_irqchip_free_valid_mask(gc); in gpiochip_irqchip_remove()
1680 int gpiochip_irqchip_add_domain(struct gpio_chip *gc, in gpiochip_irqchip_add_domain() argument
1686 gc->to_irq = gpiochip_to_irq; in gpiochip_irqchip_add_domain()
1687 gc->irq.domain = domain; in gpiochip_irqchip_add_domain()
1695 static inline int gpiochip_add_irqchip(struct gpio_chip *gc, in gpiochip_add_irqchip() argument
1701 static void gpiochip_irqchip_remove(struct gpio_chip *gc) {} in gpiochip_irqchip_remove() argument
1703 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gc) in gpiochip_irqchip_init_hw() argument
1708 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_init_valid_mask() argument
1712 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gc) in gpiochip_irqchip_free_valid_mask() argument
1722 int gpiochip_generic_request(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_request() argument
1725 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_request()
1729 return pinctrl_gpio_request(gc->gpiodev->base + offset); in gpiochip_generic_request()
1738 void gpiochip_generic_free(struct gpio_chip *gc, unsigned int offset) in gpiochip_generic_free() argument
1741 if (list_empty(&gc->gpiodev->pin_ranges)) in gpiochip_generic_free()
1745 pinctrl_gpio_free(gc->gpiodev->base + offset); in gpiochip_generic_free()
1755 int gpiochip_generic_config(struct gpio_chip *gc, unsigned int offset, in gpiochip_generic_config() argument
1758 return pinctrl_gpio_set_config(gc->gpiodev->base + offset, config); in gpiochip_generic_config()
1776 int gpiochip_add_pingroup_range(struct gpio_chip *gc, in gpiochip_add_pingroup_range() argument
1781 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pingroup_range()
1786 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pingroup_range()
1792 pin_range->range.gc = gc; in gpiochip_add_pingroup_range()
1793 pin_range->range.name = gc->label; in gpiochip_add_pingroup_range()
1807 chip_dbg(gc, "created GPIO range %d->%d ==> %s PINGRP %s\n", in gpiochip_add_pingroup_range()
1834 int gpiochip_add_pin_range(struct gpio_chip *gc, const char *pinctl_name, in gpiochip_add_pin_range() argument
1839 struct gpio_device *gdev = gc->gpiodev; in gpiochip_add_pin_range()
1844 chip_err(gc, "failed to allocate pin ranges\n"); in gpiochip_add_pin_range()
1850 pin_range->range.gc = gc; in gpiochip_add_pin_range()
1851 pin_range->range.name = gc->label; in gpiochip_add_pin_range()
1859 chip_err(gc, "could not create pin range\n"); in gpiochip_add_pin_range()
1863 chip_dbg(gc, "created GPIO range %d->%d ==> %s PIN %d->%d\n", in gpiochip_add_pin_range()
1878 void gpiochip_remove_pin_ranges(struct gpio_chip *gc) in gpiochip_remove_pin_ranges() argument
1881 struct gpio_device *gdev = gc->gpiodev; in gpiochip_remove_pin_ranges()
1900 struct gpio_chip *gc = desc->gdev->chip; in gpiod_request_commit() local
1924 if (gc->request) { in gpiod_request_commit()
1928 if (gpiochip_line_is_valid(gc, offset)) in gpiod_request_commit()
1929 ret = gc->request(gc, offset); in gpiod_request_commit()
1940 if (gc->get_direction) { in gpiod_request_commit()
2019 struct gpio_chip *gc; in gpiod_free_commit() local
2027 gc = desc->gdev->chip; in gpiod_free_commit()
2028 if (gc && test_bit(FLAG_REQUESTED, &desc->flags)) { in gpiod_free_commit()
2029 if (gc->free) { in gpiod_free_commit()
2031 might_sleep_if(gc->can_sleep); in gpiod_free_commit()
2032 gc->free(gc, gpio_chip_hwgpio(desc)); in gpiod_free_commit()
2086 const char *gpiochip_is_requested(struct gpio_chip *gc, unsigned int offset) in gpiochip_is_requested() argument
2090 desc = gpiochip_get_desc(gc, offset); in gpiochip_is_requested()
2121 struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, in gpiochip_request_own_desc() argument
2127 struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum); in gpiochip_request_own_desc()
2131 chip_err(gc, "failed to get GPIO descriptor\n"); in gpiochip_request_own_desc()
2141 chip_err(gc, "setup of own GPIO %s failed\n", label); in gpiochip_request_own_desc()
2174 static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, in gpio_do_set_config() argument
2177 if (!gc->set_config) in gpio_do_set_config()
2180 return gc->set_config(gc, offset, config); in gpio_do_set_config()
2187 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_config_with_argument() local
2191 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpio_set_config_with_argument()
2278 struct gpio_chip *gc; in gpiod_direction_input() local
2282 gc = desc->gdev->chip; in gpiod_direction_input()
2289 if (!gc->get && gc->direction_input) { in gpiod_direction_input()
2302 if (gc->direction_input) { in gpiod_direction_input()
2303 ret = gc->direction_input(gc, gpio_chip_hwgpio(desc)); in gpiod_direction_input()
2304 } else if (gc->get_direction && in gpiod_direction_input()
2305 (gc->get_direction(gc, gpio_chip_hwgpio(desc)) != 1)) { in gpiod_direction_input()
2324 struct gpio_chip *gc = desc->gdev->chip; in gpiod_direction_output_raw_commit() local
2333 if (!gc->set && !gc->direction_output) { in gpiod_direction_output_raw_commit()
2340 if (gc->direction_output) { in gpiod_direction_output_raw_commit()
2341 ret = gc->direction_output(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2344 if (gc->get_direction && in gpiod_direction_output_raw_commit()
2345 gc->get_direction(gc, gpio_chip_hwgpio(desc))) { in gpiod_direction_output_raw_commit()
2355 gc->set(gc, gpio_chip_hwgpio(desc), val); in gpiod_direction_output_raw_commit()
2467 struct gpio_chip *gc; in gpiod_enable_hw_timestamp_ns() local
2471 gc = desc->gdev->chip; in gpiod_enable_hw_timestamp_ns()
2472 if (!gc->en_hw_timestamp) { in gpiod_enable_hw_timestamp_ns()
2477 ret = gc->en_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_enable_hw_timestamp_ns()
2496 struct gpio_chip *gc; in gpiod_disable_hw_timestamp_ns() local
2500 gc = desc->gdev->chip; in gpiod_disable_hw_timestamp_ns()
2501 if (!gc->dis_hw_timestamp) { in gpiod_disable_hw_timestamp_ns()
2506 ret = gc->dis_hw_timestamp(gc, gpio_chip_hwgpio(desc), flags); in gpiod_disable_hw_timestamp_ns()
2525 struct gpio_chip *gc; in gpiod_set_config() local
2528 gc = desc->gdev->chip; in gpiod_set_config()
2530 return gpio_do_set_config(gc, gpio_chip_hwgpio(desc), config); in gpiod_set_config()
2600 static int gpio_chip_get_value(struct gpio_chip *gc, const struct gpio_desc *desc) in gpio_chip_get_value() argument
2602 return gc->get ? gc->get(gc, gpio_chip_hwgpio(desc)) : -EIO; in gpio_chip_get_value()
2629 struct gpio_chip *gc; in gpiod_get_raw_value_commit() local
2632 gc = desc->gdev->chip; in gpiod_get_raw_value_commit()
2633 value = gpio_chip_get_value(gc, desc); in gpiod_get_raw_value_commit()
2639 static int gpio_chip_get_multiple(struct gpio_chip *gc, in gpio_chip_get_multiple() argument
2642 if (gc->get_multiple) in gpio_chip_get_multiple()
2643 return gc->get_multiple(gc, mask, bits); in gpio_chip_get_multiple()
2644 if (gc->get) { in gpio_chip_get_multiple()
2647 for_each_set_bit(i, mask, gc->ngpio) { in gpio_chip_get_multiple()
2648 value = gc->get(gc, i); in gpio_chip_get_multiple()
2695 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_get_array_value_complex() local
2701 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_get_array_value_complex()
2707 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2711 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_get_array_value_complex()
2718 bitmap_zero(mask, gc->ngpio); in gpiod_get_array_value_complex()
2721 WARN_ON(gc->can_sleep); in gpiod_get_array_value_complex()
2736 (desc_array[i]->gdev->chip == gc)); in gpiod_get_array_value_complex()
2738 ret = gpio_chip_get_multiple(gc, mask, bits); in gpiod_get_array_value_complex()
2880 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_drain_value_commit() local
2884 ret = gc->direction_input(gc, offset); in gpio_set_open_drain_value_commit()
2886 ret = gc->direction_output(gc, offset, 0); in gpio_set_open_drain_value_commit()
2905 struct gpio_chip *gc = desc->gdev->chip; in gpio_set_open_source_value_commit() local
2909 ret = gc->direction_output(gc, offset, 1); in gpio_set_open_source_value_commit()
2913 ret = gc->direction_input(gc, offset); in gpio_set_open_source_value_commit()
2924 struct gpio_chip *gc; in gpiod_set_raw_value_commit() local
2926 gc = desc->gdev->chip; in gpiod_set_raw_value_commit()
2928 gc->set(gc, gpio_chip_hwgpio(desc), value); in gpiod_set_raw_value_commit()
2941 static void gpio_chip_set_multiple(struct gpio_chip *gc, in gpio_chip_set_multiple() argument
2944 if (gc->set_multiple) { in gpio_chip_set_multiple()
2945 gc->set_multiple(gc, mask, bits); in gpio_chip_set_multiple()
2950 for_each_set_bit(i, mask, gc->ngpio) in gpio_chip_set_multiple()
2951 gc->set(gc, i, test_bit(i, bits)); in gpio_chip_set_multiple()
2989 struct gpio_chip *gc = desc_array[i]->gdev->chip; in gpiod_set_array_value_complex() local
2995 if (likely(gc->ngpio <= FASTPATH_NGPIO)) { in gpiod_set_array_value_complex()
3001 mask = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3005 bits = bitmap_alloc(gc->ngpio, flags); in gpiod_set_array_value_complex()
3012 bitmap_zero(mask, gc->ngpio); in gpiod_set_array_value_complex()
3015 WARN_ON(gc->can_sleep); in gpiod_set_array_value_complex()
3051 (desc_array[i]->gdev->chip == gc)); in gpiod_set_array_value_complex()
3054 gpio_chip_set_multiple(gc, mask, bits); in gpiod_set_array_value_complex()
3218 struct gpio_chip *gc; in gpiod_to_irq() local
3229 gc = desc->gdev->chip; in gpiod_to_irq()
3231 if (gc->to_irq) { in gpiod_to_irq()
3232 int retirq = gc->to_irq(gc, offset); in gpiod_to_irq()
3241 if (gc->irq.chip) { in gpiod_to_irq()
3262 int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_lock_as_irq() argument
3266 desc = gpiochip_get_desc(gc, offset); in gpiochip_lock_as_irq()
3274 if (!gc->can_sleep && gc->get_direction) { in gpiochip_lock_as_irq()
3278 chip_err(gc, "%s: cannot get GPIO direction\n", in gpiochip_lock_as_irq()
3287 chip_err(gc, in gpiochip_lock_as_irq()
3316 void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_unlock_as_irq() argument
3320 desc = gpiochip_get_desc(gc, offset); in gpiochip_unlock_as_irq()
3333 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_disable_irq() argument
3335 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_disable_irq()
3343 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_enable_irq() argument
3345 struct gpio_desc *desc = gpiochip_get_desc(gc, offset); in gpiochip_enable_irq()
3360 bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_irq() argument
3362 if (offset >= gc->ngpio) in gpiochip_line_is_irq()
3365 return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_irq()
3369 int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_reqres_irq() argument
3373 if (!try_module_get(gc->gpiodev->owner)) in gpiochip_reqres_irq()
3376 ret = gpiochip_lock_as_irq(gc, offset); in gpiochip_reqres_irq()
3378 chip_err(gc, "unable to lock HW IRQ %u for IRQ\n", offset); in gpiochip_reqres_irq()
3379 module_put(gc->gpiodev->owner); in gpiochip_reqres_irq()
3386 void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset) in gpiochip_relres_irq() argument
3388 gpiochip_unlock_as_irq(gc, offset); in gpiochip_relres_irq()
3389 module_put(gc->gpiodev->owner); in gpiochip_relres_irq()
3393 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_drain() argument
3395 if (offset >= gc->ngpio) in gpiochip_line_is_open_drain()
3398 return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_drain()
3402 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_open_source() argument
3404 if (offset >= gc->ngpio) in gpiochip_line_is_open_source()
3407 return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_open_source()
3411 bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) in gpiochip_line_is_persistent() argument
3413 if (offset >= gc->ngpio) in gpiochip_line_is_persistent()
3416 return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); in gpiochip_line_is_persistent()
3654 struct gpio_chip *gc; in gpiod_add_hogs() local
3666 gc = find_chip_by_name(hog->chip_label); in gpiod_add_hogs()
3667 if (gc) in gpiod_add_hogs()
3668 gpiochip_machine_hog(gc, hog); in gpiod_add_hogs()
3729 struct gpio_chip *gc; in gpiod_find() local
3751 gc = find_chip_by_name(p->key); in gpiod_find()
3753 if (!gc) { in gpiod_find()
3766 if (gc->ngpio <= p->chip_hwnum) { in gpiod_find()
3769 idx, p->chip_hwnum, gc->ngpio - 1, in gpiod_find()
3770 gc->label); in gpiod_find()
3774 desc = gpiochip_get_desc(gc, p->chip_hwnum); in gpiod_find()
4169 struct gpio_chip *gc; in gpiod_hog() local
4174 gc = gpiod_to_chip(desc); in gpiod_hog()
4177 local_desc = gpiochip_request_own_desc(gc, hwnum, name, in gpiod_hog()
4182 name, gc->label, hwnum, ret); in gpiod_hog()
4201 static void gpiochip_free_hogs(struct gpio_chip *gc) in gpiochip_free_hogs() argument
4205 for_each_gpio_desc_with_flag(gc, desc, FLAG_IS_HOGGED) in gpiochip_free_hogs()
4228 struct gpio_chip *gc; in gpiod_get_array() local
4248 gc = gpiod_to_chip(desc); in gpiod_get_array()
4256 bitmap_size = BITS_TO_LONGS(gc->ngpio > count ? in gpiod_get_array()
4257 gc->ngpio : count); in gpiod_get_array()
4280 array_info->chip = gc; in gpiod_get_array()
4288 if (array_info && array_info->chip != gc) { in gpiod_get_array()
4313 if (gpiochip_line_is_open_drain(gc, descs->ndescs) || in gpiod_get_array()
4314 gpiochip_line_is_open_source(gc, descs->ndescs)) in gpiod_get_array()
4465 struct gpio_chip *gc = gdev->chip; in gpiolib_dbg_show() local
4473 for_each_gpio_desc(gc, desc) { in gpiolib_dbg_show()
4477 value = gpio_chip_get_value(gc, desc); in gpiolib_dbg_show()
4539 struct gpio_chip *gc = gdev->chip; in gpiolib_seq_show() local
4542 if (!gc) { in gpiolib_seq_show()
4551 parent = gc->parent; in gpiolib_seq_show()
4556 if (gc->label) in gpiolib_seq_show()
4557 seq_printf(s, ", %s", gc->label); in gpiolib_seq_show()
4558 if (gc->can_sleep) in gpiolib_seq_show()
4562 if (gc->dbg_show) in gpiolib_seq_show()
4563 gc->dbg_show(s, gc); in gpiolib_seq_show()