surface_acpi: Update surface-acpi module

- Rename identifiers/functions.
- Rename Kconfig options (SURFACE_ACPI_XXX -> SURFACE_SAM_XXX)
- Split into multiple modules

drivers/platform/x86/Kconfig

@@ -582,103 +582,6 @@ config THINKPAD_ACPI_HOTKEY_POLL
  If you are not sure, say Y here. The driver enables polling only if
  it is strictly necessary to do so.
 
-config SURFACE_ACPI
- depends on ACPI
- tristate "Microsoft Surface ACPI/Platform Drivers"
- ---help---
- ACPI and platform drivers for Microsoft Surface devices.
-
-config SURFACE_ACPI_SSH
- bool "Surface Serial Hub Driver"
- depends on SURFACE_ACPI
- depends on X86_INTEL_LPSS
- depends on SERIAL_8250_DW
- depends on SERIAL_8250_DMA
- depends on SERIAL_DEV_CTRL_TTYPORT
- select CRC_CCITT
- default y
- ---help---
- Surface Serial Hub driver for 5th generation (or later) Microsoft
- Surface devices.
-
- This is the base driver for the embedded serial controller found on
- 5th generation (and later) Microsoft Surface devices (e.g. Book 2,
- Laptop, Laptop 2, Pro 2017, Pro 6, ...). This driver itself only
- provides access to the embedded controller and subsequent drivers are
- required for the respective functionalities.
-
- If you have a 5th generation (or later) Microsoft Surface device, say
- Y or M here.
-
-config SURFACE_ACPI_SSH_DEBUG_DEVICE
- bool "Surface Serial Hub Debug Device"
- depends on SURFACE_ACPI_SSH
- default n
- ---help---
- Debug device for direct communication with the embedded controller
- found on 5th generation (and later) Microsoft Surface devices (e.g.
- Book 2, Laptop, Laptop 2, Pro 2017, Pro 6, ...) via sysfs.
-
- If you are not sure, say N here.
-
-config SURFACE_ACPI_SAN
- bool "Surface ACPI Notify Driver"
- depends on SURFACE_ACPI_SSH
- default y
- ---help---
- Surface ACPI Notify driver for 5th generation (or later) Microsoft
- Surface devices.
-
- This driver enables basic ACPI events and requests, such as battery
- status requests/events, thermal events, lid status, and possibly more,
- which would otherwise not work on these devices.
-
- If you are not sure, say Y here.
-
-config SURFACE_ACPI_VHF
- bool "Surface Virtual HID Framework Driver"
- depends on SURFACE_ACPI_SSH
- depends on HID
- default y
- ---help---
- Surface Virtual HID Framework driver for 5th generation (or later)
- Microsoft Surface devices.
-
- This driver provides support for the Microsoft Virtual HID framework,
- which is required for the Surface Laptop (1 and newer) keyboard.
-
- If you are not sure, say Y here.
-
-config SURFACE_ACPI_DTX
- bool "Surface Detachment System (DTX) Driver"
- depends on SURFACE_ACPI_SSH
- depends on INPUT
- default y
- ---help---
- Surface Detachment System (DTX) driver for the Microsoft Surface Book
- 2. This driver provides support for proper detachment handling in
- user-space, status-events relating to the base and support for
- the safe-guard keeping the base attached when the discrete GPU
- contained in it is running via the special /dev/surface-dtx device.
-
- Also provides a standard input device to provide SW_TABLET_MODE events
- upon device mode change.
-
- If you are not sure, say Y here.
-
-config SURFACE_ACPI_SID
- bool "Surface Platform Integration Driver"
- depends on SURFACE_ACPI_SSH
- default y
- ---help---
- Surface Platform Integration Driver for the Microsoft Surface Devices.
- Currently only supports the Surface Book 2. This driver provides suport
- for setting performance-modes via the perf_mode sysfs attribute.
- Performance-modes directly influence the fan-profile of the device,
- allowing to choose between higher performance or quieter operation.
-
- If you are not sure, say Y here.
-
 config SENSORS_HDAPS
  tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
  depends on INPUT
@@ -1356,6 +1259,8 @@ config INTEL_ATOMISP2_PM
  To compile this driver as a module, choose M here: the module
  will be called intel_atomisp2_pm.
 
+source "drivers/platform/x86/surface_sam/Kconfig"
+
 endif # X86_PLATFORM_DEVICES
 
 config PMC_ATOM

drivers/platform/x86/Makefile

@@ -35,7 +35,6 @@ obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
 obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
 obj-$(CONFIG_IDEAPAD_LAPTOP) += ideapad-laptop.o
 obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
-obj-$(CONFIG_SURFACE_ACPI) += surface_acpi.o
 obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o
 obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o
 obj-$(CONFIG_FUJITSU_TABLET) += fujitsu-tablet.o
@@ -96,3 +95,4 @@ obj-$(CONFIG_INTEL_TURBO_MAX_3) += intel_turbo_max_3.o
 obj-$(CONFIG_INTEL_CHTDC_TI_PWRBTN) += intel_chtdc_ti_pwrbtn.o
 obj-$(CONFIG_I2C_MULTI_INSTANTIATE) += i2c-multi-instantiate.o
 obj-$(CONFIG_INTEL_ATOMISP2_PM) += intel_atomisp2_pm.o
+obj-$(CONFIG_SURFACE_SAM) += surface_sam/