From ff715c6f4f7a3181fcc6a45907bb8bf0c8c6f08f Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 7 Jul 2020 13:11:43 -0600 Subject: acpi: Support generation of interrupt descriptor Add a function to write an interrupt descriptor to the generated ACPI code. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng --- include/acpi/acpi_device.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include') diff --git a/include/acpi/acpi_device.h b/include/acpi/acpi_device.h index 24895de0dad..e72fede54ce 100644 --- a/include/acpi/acpi_device.h +++ b/include/acpi/acpi_device.h @@ -11,6 +11,8 @@ #include +struct acpi_ctx; +struct irq; struct udevice; /* ACPI descriptor values for common descriptors: SERIAL_BUS means I2C */ @@ -128,4 +130,17 @@ int acpi_device_scope(const struct udevice *dev, char *scope, int maxlen); */ enum acpi_dev_status acpi_device_status(const struct udevice *dev); +/** + * acpi_device_write_interrupt_irq() - Write an interrupt descriptor + * + * This writes an ACPI interrupt descriptor for the given interrupt, converting + * fields as needed. + * + * @ctx: ACPI context pointer + * @req_irq: Interrupt to output + * @return IRQ pin number if OK, -ve on error + */ +int acpi_device_write_interrupt_irq(struct acpi_ctx *ctx, + const struct irq *req_irq); + #endif -- cgit v1.2.3