diff options
Diffstat (limited to 'drivers/acpi/resource.c')
| -rw-r--r-- | drivers/acpi/resource.c | 109 |
1 files changed, 89 insertions, 20 deletions
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 510cdec375c4..78c2804164c6 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -336,8 +336,9 @@ EXPORT_SYMBOL_GPL(acpi_dev_resource_ext_address_space); * @triggering: Triggering type as provided by ACPI. * @polarity: Interrupt polarity as provided by ACPI. * @shareable: Whether or not the interrupt is shareable. + * @wake_capable: Wake capability as provided by ACPI. */ -unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable) { unsigned long flags; @@ -351,6 +352,9 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) if (shareable == ACPI_SHARED) flags |= IORESOURCE_IRQ_SHAREABLE; + if (wake_capable == ACPI_WAKE_CAPABLE) + flags |= IORESOURCE_IRQ_WAKECAPABLE; + return flags | IORESOURCE_IRQ; } EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); @@ -399,16 +403,56 @@ static const struct dmi_system_id medion_laptop[] = { { } }; +static const struct dmi_system_id asus_laptop[] = { + { + .ident = "Asus Vivobook K3402ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "K3402ZA"), + }, + }, + { + .ident = "Asus Vivobook K3502ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "K3502ZA"), + }, + }, + { + .ident = "Asus Vivobook S5402ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "S5402ZA"), + }, + }, + { } +}; + +static const struct dmi_system_id lenovo_82ra[] = { + { + .ident = "LENOVO IdeaPad Flex 5 16ALC7", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "82RA"), + }, + }, + { } +}; + struct irq_override_cmp { const struct dmi_system_id *system; unsigned char irq; unsigned char triggering; unsigned char polarity; unsigned char shareable; + bool override; }; -static const struct irq_override_cmp skip_override_table[] = { - { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 }, +static const struct irq_override_cmp override_table[] = { + { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false }, + { asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false }, + { lenovo_82ra, 6, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true }, + { lenovo_82ra, 10, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true }, }; static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, @@ -416,6 +460,17 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, { int i; + for (i = 0; i < ARRAY_SIZE(override_table); i++) { + const struct irq_override_cmp *entry = &override_table[i]; + + if (dmi_check_system(entry->system) && + entry->irq == gsi && + entry->triggering == triggering && + entry->polarity == polarity && + entry->shareable == shareable) + return entry->override; + } + #ifdef CONFIG_X86 /* * IRQ override isn't needed on modern AMD Zen systems and @@ -426,23 +481,12 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, return false; #endif - for (i = 0; i < ARRAY_SIZE(skip_override_table); i++) { - const struct irq_override_cmp *entry = &skip_override_table[i]; - - if (dmi_check_system(entry->system) && - entry->irq == gsi && - entry->triggering == triggering && - entry->polarity == polarity && - entry->shareable == shareable) - return false; - } - return true; } static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, u8 triggering, u8 polarity, u8 shareable, - bool check_override) + u8 wake_capable, bool check_override) { int irq, p, t; @@ -468,14 +512,17 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; if (triggering != trig || polarity != pol) { - pr_warn("ACPI: IRQ %d override to %s, %s\n", gsi, - t ? "level" : "edge", p ? "low" : "high"); + pr_warn("ACPI: IRQ %d override to %s%s, %s%s\n", gsi, + t ? "level" : "edge", + trig == triggering ? "" : "(!)", + p ? "low" : "high", + pol == polarity ? "" : "(!)"); triggering = trig; polarity = pol; } } - res->flags = acpi_dev_irq_flags(triggering, polarity, shareable); + res->flags = acpi_dev_irq_flags(triggering, polarity, shareable, wake_capable); irq = acpi_register_gsi(NULL, gsi, triggering, polarity); if (irq >= 0) { res->start = irq; @@ -523,7 +570,8 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, } acpi_dev_get_irqresource(res, irq->interrupts[index], irq->triggering, irq->polarity, - irq->shareable, true); + irq->shareable, irq->wake_capable, + true); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: ext_irq = &ares->data.extended_irq; @@ -534,7 +582,8 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, if (is_gsi(ext_irq)) acpi_dev_get_irqresource(res, ext_irq->interrupts[index], ext_irq->triggering, ext_irq->polarity, - ext_irq->shareable, false); + ext_irq->shareable, ext_irq->wake_capable, + false); else irqresource_disabled(res, 0); break; @@ -690,6 +739,9 @@ static int is_memory(struct acpi_resource *ares, void *not_used) memset(&win, 0, sizeof(win)); + if (acpi_dev_filter_resource_type(ares, IORESOURCE_MEM)) + return 1; + return !(acpi_dev_resource_memory(ares, res) || acpi_dev_resource_address_space(ares, &win) || acpi_dev_resource_ext_address_space(ares, &win)); @@ -719,6 +771,23 @@ int acpi_dev_get_dma_resources(struct acpi_device *adev, struct list_head *list) EXPORT_SYMBOL_GPL(acpi_dev_get_dma_resources); /** + * acpi_dev_get_memory_resources - Get current memory resources of a device. + * @adev: ACPI device node to get the resources for. + * @list: Head of the resultant list of resources (must be empty). + * + * This is a helper function that locates all memory type resources of @adev + * with acpi_dev_get_resources(). + * + * The number of resources in the output list is returned on success, an error + * code reflecting the error condition is returned otherwise. + */ +int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list) +{ + return acpi_dev_get_resources(adev, list, is_memory, NULL); +} +EXPORT_SYMBOL_GPL(acpi_dev_get_memory_resources); + +/** * acpi_dev_filter_resource_type - Filter ACPI resource according to resource * types * @ares: Input ACPI resource object. |