x86: Move UCLASS_IRQ into a separate file
Update this uclass to support the needs of the Apollo Lake ITSS. It
supports four operations.
Move the uclass into a separate directory so that sandbox can use it too.
Add a new Kconfig to control it and enable this on x86.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 71643af..f18aa8f 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -203,6 +203,15 @@
Security Monitor can be transitioned on any security failures,
like software violations or hardware security violations.
+config IRQ
+ bool "Intel Interrupt controller"
+ depends on X86 || SANDBOX
+ help
+ This enables support for Intel interrupt controllers, including ITSS.
+ Some devices have extra features, such as Apollo Lake. The
+ device has its own uclass since there are several operations
+ involved.
+
config JZ4780_EFUSE
bool "Ingenic JZ4780 eFUSE support"
depends on ARCH_JZ47XX
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 44c9e3e..28313e4 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -41,6 +41,7 @@
obj-$(CONFIG_GDSYS_IOEP) += gdsys_ioep.o
obj-$(CONFIG_GDSYS_RXAUI_CTRL) += gdsys_rxaui_ctrl.o
obj-$(CONFIG_GDSYS_SOC) += gdsys_soc.o
+obj-$(CONFIG_IRQ) += irq-uclass.o
obj-$(CONFIG_$(SPL_)I2C_EEPROM) += i2c_eeprom.o
obj-$(CONFIG_IHS_FPGA) += ihs_fpga.o
obj-$(CONFIG_IMX8) += imx8/
diff --git a/drivers/misc/irq-uclass.c b/drivers/misc/irq-uclass.c
new file mode 100644
index 0000000..d5182cf
--- /dev/null
+++ b/drivers/misc/irq-uclass.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <irq.h>
+
+int irq_route_pmc_gpio_gpe(struct udevice *dev, uint pmc_gpe_num)
+{
+ const struct irq_ops *ops = irq_get_ops(dev);
+
+ if (!ops->route_pmc_gpio_gpe)
+ return -ENOSYS;
+
+ return ops->route_pmc_gpio_gpe(dev, pmc_gpe_num);
+}
+
+int irq_set_polarity(struct udevice *dev, uint irq, bool active_low)
+{
+ const struct irq_ops *ops = irq_get_ops(dev);
+
+ if (!ops->set_polarity)
+ return -ENOSYS;
+
+ return ops->set_polarity(dev, irq, active_low);
+}
+
+int irq_snapshot_polarities(struct udevice *dev)
+{
+ const struct irq_ops *ops = irq_get_ops(dev);
+
+ if (!ops->snapshot_polarities)
+ return -ENOSYS;
+
+ return ops->snapshot_polarities(dev);
+}
+
+int irq_restore_polarities(struct udevice *dev)
+{
+ const struct irq_ops *ops = irq_get_ops(dev);
+
+ if (!ops->restore_polarities)
+ return -ENOSYS;
+
+ return ops->restore_polarities(dev);
+}
+
+UCLASS_DRIVER(irq) = {
+ .id = UCLASS_IRQ,
+ .name = "irq",
+};