diff --git a/Makefile b/Makefile index a91b6bf..b8d0363 100644 --- a/Makefile +++ b/Makefile @@ -16,7 +16,7 @@ # You should have received a copy of the GNU General Public License # along with this software. If not, see . # -obj-m := ./src/tuxedo_keyboard.o +obj-m := ./src/tuxedo_keyboard.o ./src/clevo_acpi.o PWD := $(shell pwd) KDIR := /lib/modules/$(shell uname -r)/build diff --git a/dkms.conf b/dkms.conf index cf3202e..6406f03 100644 --- a/dkms.conf +++ b/dkms.conf @@ -5,6 +5,10 @@ DEST_MODULE_LOCATION[0]="/kernel/lib/" BUILT_MODULE_NAME[0]="tuxedo_keyboard" BUILT_MODULE_LOCATION[0]="src/" +DEST_MODULE_LOCATION[0]="/kernel/lib/" +BUILT_MODULE_NAME[0]="clevo_acpi" +BUILT_MODULE_LOCATION[0]="src/" + MAKE[0]="make KDIR=/lib/modules/${kernelver}/build" CLEAN="make clean" AUTOINSTALL="yes" diff --git a/src/clevo_acpi.c b/src/clevo_acpi.c new file mode 100644 index 0000000..b2cc448 --- /dev/null +++ b/src/clevo_acpi.c @@ -0,0 +1,81 @@ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include +#include +#include + +#define DRIVER_NAME "clevo_acpi" +#define CLEVO_ACPI_RESOURCE_HID "CLV0001" + +struct clevo_acpi_driver_data_t { + struct acpi_device *device; +}; + +static int clevo_acpi_add(struct acpi_device *device) +{ + struct clevo_acpi_driver_data_t *driver_data; + + driver_data = devm_kzalloc(&device->dev, sizeof(*driver_data), GFP_KERNEL); + if (!driver_data) + return -ENOMEM; + + driver_data->device = device; + + pr_debug("acpi add"); + + return 0; +} + +static int clevo_acpi_remove(struct acpi_device *device) +{ + pr_debug("acpi remove"); + return 0; +} + +static void clevo_acpi_notify(struct acpi_device *device, u32 event) +{ + pr_debug("event: %0#10x", event); +} + +#ifdef CONFIG_PM +static int driver_suspend_callb(struct device *dev) +{ + pr_debug("driver suspend\n"); + return 0; +} + +static int driver_resume_callb(struct device *dev) +{ + pr_debug("driver resume\n"); + return 0; +} + +static SIMPLE_DEV_PM_OPS(clevo_driver_pm_ops, driver_suspend_callb, driver_resume_callb); +#endif + +static const struct acpi_device_id clevo_acpi_device_ids[] = { + {CLEVO_ACPI_RESOURCE_HID, 0}, + {"", 0} +}; + +static struct acpi_driver clevo_acpi_driver = { + .name = DRIVER_NAME, + .class = DRIVER_NAME, + .owner = THIS_MODULE, + .ids = clevo_acpi_device_ids, + .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, + .ops = { + .add = clevo_acpi_add, + .remove = clevo_acpi_remove, + .notify = clevo_acpi_notify, + }, +#ifdef CONFIG_PM + .drv.pm = &clevo_driver_pm_ops +#endif +}; + +module_acpi_driver(clevo_acpi_driver); + +MODULE_AUTHOR("TUXEDO Computers GmbH "); +MODULE_DESCRIPTION("Driver for Clevo ACPI interface"); +MODULE_VERSION("0.0.1"); +MODULE_LICENSE("GPL");