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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-11 11:26:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-11 11:26:57 -0800
commit347708875a2fac81dd99ec826248ec29ac28f441 (patch)
treeb37be7d7154f7555d78fc0b1ee1f3c0e0a1288bd
parentMerge tag 'hsi-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi (diff)
parentpower: supply: Provide stubs for charge_behaviour helpers (diff)
downloadlinux-dev-347708875a2fac81dd99ec826248ec29ac28f441.tar.xz
linux-dev-347708875a2fac81dd99ec826248ec29ac28f441.zip
Merge tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede: "Highlights: New drivers: - asus-tf103c-dock - intel_crystal_cove_charger - lenovo-yogabook-wmi - simatic-ipc platform-code + led driver + watchdog driver - x86-android-tablets (kernel module to workaround DSDT bugs on these) amd-pmc: - bug-fixes - smar trace buffer support asus-wmi: - support for custom fan curves int3472 (camera info ACPI object for Intel IPU3/SkyCam cameras): - ACPI core + int3472 changes to delay enumeration of camera sensor I2C clients until the PMIC for the sensor has been fully probed - Add support for board data (DSDT info is incomplete) for setting up the tps68470 PMIC used on some boards with these cameras - Add board data for the Microsoft Surface Go (original, v2 and v3) thinkpad_acpi: - various cleanups - support for forced battery discharging (for battery calibration) - support to inhibit battery charging - this includes power_supply core changes to add new APIs for this think_lmi: - enhanced BIOS password support various other small fixes and hardware-id additions" * tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (78 commits) power: supply: Provide stubs for charge_behaviour helpers platform/x86: x86-android-tablets: Fix GPIO lookup leak on error-exit platform/x86: int3472: Add board data for Surface Go 3 platform/x86: Add Asus TF103C dock driver platform/x86: x86-android-tablets: Add TM800A550L data platform/x86: x86-android-tablets: Add Asus MeMO Pad 7 ME176C data platform/x86: x86-android-tablets: Add Asus TF103C data platform/x86: x86-android-tablets: Add support for preloading modules platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables platform/x86: x86-android-tablets: Add support for instantiating serdevs platform/x86: x86-android-tablets: Add support for instantiating platform-devs platform/x86: x86-android-tablets: Add support for PMIC interrupts platform/x86: x86-android-tablets: Don't return -EPROBE_DEFER from a non probe() function platform/x86: touchscreen_dmi: Remove the Glavey TM800A550L entry platform/x86: touchscreen_dmi: Enable pen support on the Chuwi Hi10 Plus and Pro platform/x86: touchscreen_dmi: Correct min/max values for Chuwi Hi10 Pro (CWI529) tablet platform/x86: Add intel_crystal_cove_charger driver power: supply: fix charge_behaviour attribute initialization platform/x86: intel-uncore-frequency: use default_groups in kobj_type x86/platform/uv: use default_groups in kobj_type ...
-rw-r--r--Documentation/ABI/testing/sysfs-class-firmware-attributes32
-rw-r--r--Documentation/ABI/testing/sysfs-class-power14
-rw-r--r--MAINTAINERS14
-rw-r--r--drivers/leds/Kconfig3
-rw-r--r--drivers/leds/Makefile3
-rw-r--r--drivers/leds/simple/Kconfig11
-rw-r--r--drivers/leds/simple/Makefile2
-rw-r--r--drivers/leds/simple/simatic-ipc-leds.c202
-rw-r--r--drivers/platform/surface/Kconfig7
-rw-r--r--drivers/platform/surface/aggregator/Kconfig1
-rw-r--r--drivers/platform/surface/aggregator/bus.c24
-rw-r--r--drivers/platform/surface/aggregator/bus.h3
-rw-r--r--drivers/platform/surface/aggregator/core.c3
-rw-r--r--drivers/platform/surface/surface_aggregator_registry.c32
-rw-r--r--drivers/platform/x86/Kconfig61
-rw-r--r--drivers/platform/x86/Makefile6
-rw-r--r--drivers/platform/x86/amd-pmc.c160
-rw-r--r--drivers/platform/x86/asus-tf103c-dock.c945
-rw-r--r--drivers/platform/x86/asus-wmi.c605
-rw-r--r--drivers/platform/x86/hp_accel.c27
-rw-r--r--drivers/platform/x86/intel/Makefile2
-rw-r--r--drivers/platform/x86/intel/crystal_cove_charger.c153
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470_board_data.c13
-rw-r--r--drivers/platform/x86/intel/uncore-frequency.c3
-rw-r--r--drivers/platform/x86/lenovo-yogabook-wmi.c408
-rw-r--r--drivers/platform/x86/pmc_atom.c54
-rw-r--r--drivers/platform/x86/simatic-ipc.c176
-rw-r--r--drivers/platform/x86/think-lmi.c327
-rw-r--r--drivers/platform/x86/think-lmi.h28
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c1000
-rw-r--r--drivers/platform/x86/touchscreen_dmi.c38
-rw-r--r--drivers/platform/x86/uv_sysfs.c6
-rw-r--r--drivers/platform/x86/wmi.c27
-rw-r--r--drivers/platform/x86/x86-android-tablets.c870
-rw-r--r--drivers/power/supply/power_supply_sysfs.c56
-rw-r--r--drivers/watchdog/Kconfig11
-rw-r--r--drivers/watchdog/Makefile1
-rw-r--r--drivers/watchdog/simatic-ipc-wdt.c228
-rw-r--r--include/linux/platform_data/x86/asus-wmi.h2
-rw-r--r--include/linux/platform_data/x86/simatic-ipc-base.h29
-rw-r--r--include/linux/platform_data/x86/simatic-ipc.h72
-rw-r--r--include/linux/power_supply.h31
-rw-r--r--include/linux/surface_aggregator/device.h9
-rw-r--r--include/linux/wmi.h1
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c4
45 files changed, 5042 insertions, 662 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-firmware-attributes b/Documentation/ABI/testing/sysfs-class-firmware-attributes
index 90fdf935aa5e..13e31c6a0e9c 100644
--- a/Documentation/ABI/testing/sysfs-class-firmware-attributes
+++ b/Documentation/ABI/testing/sysfs-class-firmware-attributes
@@ -161,6 +161,15 @@ Description:
power-on:
Representing a password required to use
the system
+ system-mgmt:
+ Representing System Management password.
+ See Lenovo extensions section for details
+ HDD:
+ Representing HDD password
+ See Lenovo extensions section for details
+ NVMe:
+ Representing NVMe password
+ See Lenovo extensions section for details
mechanism:
The means of authentication. This attribute is mandatory.
@@ -207,6 +216,13 @@ Description:
On Lenovo systems the following additional settings are available:
+ role: system-mgmt This gives the same authority as the bios-admin password to control
+ security related features. The authorities allocated can be set via
+ the BIOS menu SMP Access Control Policy
+
+ role: HDD & NVMe This password is used to unlock access to the drive at boot. Note see
+ 'level' and 'index' extensions below.
+
lenovo_encoding:
The encoding method that is used. This can be either "ascii"
or "scancode". Default is set to "ascii"
@@ -216,6 +232,22 @@ Description:
two char code (e.g. "us", "fr", "gr") and may vary per platform.
Default is set to "us"
+ level:
+ Available for HDD and NVMe authentication to set 'user' or 'master'
+ privilege level.
+ If only the user password is configured then this should be used to
+ unlock the drive at boot. If both master and user passwords are set
+ then either can be used. If a master password is set a user password
+ is required.
+ This attribute defaults to 'user' level
+
+ index:
+ Used with HDD and NVME authentication to set the drive index
+ that is being referenced (e.g hdd0, hdd1 etc)
+ This attribute defaults to device 0.
+
+
+
What: /sys/class/firmware-attributes/*/attributes/pending_reboot
Date: February 2021
KernelVersion: 5.11
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index a0b2a4280e38..fde21d900420 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -455,6 +455,20 @@ Description:
"Unknown", "Charging", "Discharging",
"Not charging", "Full"
+What: /sys/class/power_supply/<supply_name>/charge_behaviour
+Date: November 2021
+Contact: linux-pm@vger.kernel.org
+Description:
+ Represents the charging behaviour.
+
+ Access: Read, Write
+
+ Valid values:
+ ================ ====================================
+ auto: Charge normally, respect thresholds
+ inhibit-charge: Do not charge while AC is attached
+ force-discharge: Force discharge while AC is attached
+
What: /sys/class/power_supply/<supply_name>/technology
Date: May 2007
Contact: linux-pm@vger.kernel.org
diff --git a/MAINTAINERS b/MAINTAINERS
index 2e8a3405a033..174480e5bd01 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3013,6 +3013,13 @@ W: http://acpi4asus.sf.net
F: drivers/platform/x86/asus*.c
F: drivers/platform/x86/eeepc*.c
+ASUS TF103C DOCK DRIVER
+M: Hans de Goede <hdegoede@redhat.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
+F: drivers/platform/x86/asus-tf103c-dock.c
+
ASUS WMI HARDWARE MONITOR DRIVER
M: Ed Brindley <kernel@maidavale.org>
M: Denis Pauk <pauk.denis@gmail.com>
@@ -20836,6 +20843,13 @@ S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/mm
F: arch/x86/mm/
+X86 PLATFORM ANDROID TABLETS DSDT FIXUP DRIVER
+M: Hans de Goede <hdegoede@redhat.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
+F: drivers/platform/x86/x86-android-tablets.c
+
X86 PLATFORM DRIVERS
M: Hans de Goede <hdegoede@redhat.com>
M: Mark Gross <markgross@kernel.org>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index ed800f5da7d8..ac6688d7a3f4 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -879,4 +879,7 @@ source "drivers/leds/flash/Kconfig"
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
+comment "Simple LED drivers"
+source "drivers/leds/simple/Kconfig"
+
endif # NEW_LEDS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index c636ec069612..1a719caf14c0 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -105,3 +105,6 @@ obj-$(CONFIG_LEDS_TRIGGERS) += trigger/
# LED Blink
obj-y += blink/
+
+# Simple LED drivers
+obj-y += simple/
diff --git a/drivers/leds/simple/Kconfig b/drivers/leds/simple/Kconfig
new file mode 100644
index 000000000000..9f6a68336659
--- /dev/null
+++ b/drivers/leds/simple/Kconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config LEDS_SIEMENS_SIMATIC_IPC
+ tristate "LED driver for Siemens Simatic IPCs"
+ depends on LEDS_CLASS
+ depends on SIEMENS_SIMATIC_IPC
+ help
+ This option enables support for the LEDs of several Industrial PCs
+ from Siemens.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc-leds.
diff --git a/drivers/leds/simple/Makefile b/drivers/leds/simple/Makefile
new file mode 100644
index 000000000000..8481f1e9e360
--- /dev/null
+++ b/drivers/leds/simple/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) += simatic-ipc-leds.o
diff --git a/drivers/leds/simple/simatic-ipc-leds.c b/drivers/leds/simple/simatic-ipc-leds.c
new file mode 100644
index 000000000000..ff2c96e73241
--- /dev/null
+++ b/drivers/leds/simple/simatic-ipc-leds.c
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for LEDs
+ *
+ * Copyright (c) Siemens AG, 2018-2021
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ * Jan Kiszka <jan.kiszka@siemens.com>
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+#include <linux/platform_device.h>
+#include <linux/sizes.h>
+#include <linux/spinlock.h>
+
+#define SIMATIC_IPC_LED_PORT_BASE 0x404E
+
+struct simatic_ipc_led {
+ unsigned int value; /* mask for io and offset for mem */
+ char *name;
+ struct led_classdev cdev;
+};
+
+static struct simatic_ipc_led simatic_ipc_leds_io[] = {
+ {1 << 15, "green:" LED_FUNCTION_STATUS "-1" },
+ {1 << 7, "yellow:" LED_FUNCTION_STATUS "-1" },
+ {1 << 14, "red:" LED_FUNCTION_STATUS "-2" },
+ {1 << 6, "yellow:" LED_FUNCTION_STATUS "-2" },
+ {1 << 13, "red:" LED_FUNCTION_STATUS "-3" },
+ {1 << 5, "yellow:" LED_FUNCTION_STATUS "-3" },
+ { }
+};
+
+/* the actual start will be discovered with PCI, 0 is a placeholder */
+struct resource simatic_ipc_led_mem_res = DEFINE_RES_MEM_NAMED(0, SZ_4K, KBUILD_MODNAME);
+
+static void *simatic_ipc_led_memory;
+
+static struct simatic_ipc_led simatic_ipc_leds_mem[] = {
+ {0x500 + 0x1A0, "red:" LED_FUNCTION_STATUS "-1"},
+ {0x500 + 0x1A8, "green:" LED_FUNCTION_STATUS "-1"},
+ {0x500 + 0x1C8, "red:" LED_FUNCTION_STATUS "-2"},
+ {0x500 + 0x1D0, "green:" LED_FUNCTION_STATUS "-2"},
+ {0x500 + 0x1E0, "red:" LED_FUNCTION_STATUS "-3"},
+ {0x500 + 0x198, "green:" LED_FUNCTION_STATUS "-3"},
+ { }
+};
+
+static struct resource simatic_ipc_led_io_res =
+ DEFINE_RES_IO_NAMED(SIMATIC_IPC_LED_PORT_BASE, SZ_2, KBUILD_MODNAME);
+
+static DEFINE_SPINLOCK(reg_lock);
+
+static inline struct simatic_ipc_led *cdev_to_led(struct led_classdev *led_cd)
+{
+ return container_of(led_cd, struct simatic_ipc_led, cdev);
+}
+
+static void simatic_ipc_led_set_io(struct led_classdev *led_cd,
+ enum led_brightness brightness)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+ unsigned long flags;
+ unsigned int val;
+
+ spin_lock_irqsave(&reg_lock, flags);
+
+ val = inw(SIMATIC_IPC_LED_PORT_BASE);
+ if (brightness == LED_OFF)
+ outw(val | led->value, SIMATIC_IPC_LED_PORT_BASE);
+ else
+ outw(val & ~led->value, SIMATIC_IPC_LED_PORT_BASE);
+
+ spin_unlock_irqrestore(&reg_lock, flags);
+}
+
+static enum led_brightness simatic_ipc_led_get_io(struct led_classdev *led_cd)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+
+ return inw(SIMATIC_IPC_LED_PORT_BASE) & led->value ? LED_OFF : led_cd->max_brightness;
+}
+
+static void simatic_ipc_led_set_mem(struct led_classdev *led_cd,
+ enum led_brightness brightness)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+
+ u32 *p;
+
+ p = simatic_ipc_led_memory + led->value;
+ *p = (*p & ~1) | (brightness == LED_OFF);
+}
+
+static enum led_brightness simatic_ipc_led_get_mem(struct led_classdev *led_cd)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+
+ u32 *p;
+
+ p = simatic_ipc_led_memory + led->value;
+ return (*p & 1) ? LED_OFF : led_cd->max_brightness;
+}
+
+static int simatic_ipc_leds_probe(struct platform_device *pdev)
+{
+ const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct simatic_ipc_led *ipcled;
+ struct led_classdev *cdev;
+ struct resource *res;
+ int err, type;
+ u32 *p;
+
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_227D:
+ case SIMATIC_IPC_DEVICE_427E:
+ res = &simatic_ipc_led_io_res;
+ ipcled = simatic_ipc_leds_io;
+ /* on 227D the two bytes work the other way araound */
+ if (plat->devmode == SIMATIC_IPC_DEVICE_227D) {
+ while (ipcled->value) {
+ ipcled->value = swab16(ipcled->value);
+ ipcled++;
+ }
+ ipcled = simatic_ipc_leds_io;
+ }
+ type = IORESOURCE_IO;
+ if (!devm_request_region(dev, res->start, resource_size(res), KBUILD_MODNAME)) {
+ dev_err(dev, "Unable to register IO resource at %pR\n", res);
+ return -EBUSY;
+ }
+ break;
+ case SIMATIC_IPC_DEVICE_127E:
+ res = &simatic_ipc_led_mem_res;
+ ipcled = simatic_ipc_leds_mem;
+ type = IORESOURCE_MEM;
+
+ /* get GPIO base from PCI */
+ res->start = simatic_ipc_get_membase0(PCI_DEVFN(13, 0));
+ if (res->start == 0)
+ return -ENODEV;
+
+ /* do the final address calculation */
+ res->start = res->start + (0xC5 << 16);
+ res->end += res->start;
+
+ simatic_ipc_led_memory = devm_ioremap_resource(dev, res);
+ if (IS_ERR(simatic_ipc_led_memory))
+ return PTR_ERR(simatic_ipc_led_memory);
+
+ /* initialize power/watchdog LED */
+ p = simatic_ipc_led_memory + 0x500 + 0x1D8; /* PM_WDT_OUT */
+ *p = (*p & ~1);
+ p = simatic_ipc_led_memory + 0x500 + 0x1C0; /* PM_BIOS_BOOT_N */
+ *p = (*p | 1);
+
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ while (ipcled->value) {
+ cdev = &ipcled->cdev;
+ if (type == IORESOURCE_MEM) {
+ cdev->brightness_set = simatic_ipc_led_set_mem;
+ cdev->brightness_get = simatic_ipc_led_get_mem;
+ } else {
+ cdev->brightness_set = simatic_ipc_led_set_io;
+ cdev->brightness_get = simatic_ipc_led_get_io;
+ }
+ cdev->max_brightness = LED_ON;
+ cdev->name = ipcled->name;
+
+ err = devm_led_classdev_register(dev, cdev);
+ if (err < 0)
+ return err;
+ ipcled++;
+ }
+
+ return 0;
+}
+
+static struct platform_driver simatic_ipc_led_driver = {
+ .probe = simatic_ipc_leds_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ }
+};
+
+module_platform_driver(simatic_ipc_led_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
diff --git a/drivers/platform/surface/Kconfig b/drivers/platform/surface/Kconfig
index 3105f651614f..5f0578e25f71 100644
--- a/drivers/platform/surface/Kconfig
+++ b/drivers/platform/surface/Kconfig
@@ -5,7 +5,6 @@
menuconfig SURFACE_PLATFORMS
bool "Microsoft Surface Platform-Specific Device Drivers"
- depends on ACPI
default y
help
Say Y here to get to see options for platform-specific device drivers
@@ -30,12 +29,14 @@ config SURFACE3_WMI
config SURFACE_3_BUTTON
tristate "Power/home/volume buttons driver for Microsoft Surface 3 tablet"
+ depends on ACPI
depends on KEYBOARD_GPIO && I2C
help
This driver handles the power/home/volume buttons on the Microsoft Surface 3 tablet.
config SURFACE_3_POWER_OPREGION
tristate "Surface 3 battery platform operation region support"
+ depends on ACPI
depends on I2C
help
This driver provides support for ACPI operation
@@ -126,6 +127,7 @@ config SURFACE_DTX
config SURFACE_GPE
tristate "Surface GPE/Lid Support Driver"
+ depends on ACPI
depends on DMI
help
This driver marks the GPEs related to the ACPI lid device found on
@@ -135,6 +137,7 @@ config SURFACE_GPE
config SURFACE_HOTPLUG
tristate "Surface Hot-Plug Driver"
+ depends on ACPI
depends on GPIOLIB
help
Driver for out-of-band hot-plug event signaling on Microsoft Surface
@@ -154,6 +157,7 @@ config SURFACE_HOTPLUG
config SURFACE_PLATFORM_PROFILE
tristate "Surface Platform Profile Driver"
+ depends on ACPI
depends on SURFACE_AGGREGATOR_REGISTRY
select ACPI_PLATFORM_PROFILE
help
@@ -176,6 +180,7 @@ config SURFACE_PLATFORM_PROFILE
config SURFACE_PRO3_BUTTON
tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3/4 tablet"
+ depends on ACPI
depends on INPUT
help
This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3/4 tablet.
diff --git a/drivers/platform/surface/aggregator/Kconfig b/drivers/platform/surface/aggregator/Kconfig
index fd6dc452f3e8..cab020324256 100644
--- a/drivers/platform/surface/aggregator/Kconfig
+++ b/drivers/platform/surface/aggregator/Kconfig
@@ -4,6 +4,7 @@
menuconfig SURFACE_AGGREGATOR
tristate "Microsoft Surface System Aggregator Module Subsystem and Drivers"
depends on SERIAL_DEV_BUS
+ depends on ACPI
select CRC_CCITT
help
The Surface System Aggregator Module (Surface SAM or SSAM) is an
diff --git a/drivers/platform/surface/aggregator/bus.c b/drivers/platform/surface/aggregator/bus.c
index 0a40dd9c94ed..abbbb5b08b07 100644
--- a/drivers/platform/surface/aggregator/bus.c
+++ b/drivers/platform/surface/aggregator/bus.c
@@ -374,27 +374,19 @@ static int ssam_remove_device(struct device *dev, void *_data)
}
/**
- * ssam_controller_remove_clients() - Remove SSAM client devices registered as
- * direct children under the given controller.
- * @ctrl: The controller to remove all direct clients for.
+ * ssam_remove_clients() - Remove SSAM client devices registered as direct
+ * children under the given parent device.
+ * @dev: The (parent) device to remove all direct clients for.
*
- * Remove all SSAM client devices registered as direct children under the
- * given controller. Note that this only accounts for direct children of the
- * controller device. This does not take care of any client devices where the
- * parent device has been manually set before calling ssam_device_add. Refer
- * to ssam_device_add()/ssam_device_remove() for more details on those cases.
- *
- * To avoid new devices being added in parallel to this call, the main
- * controller lock (not statelock) must be held during this (and if
- * necessary, any subsequent deinitialization) call.
+ * Remove all SSAM client devices registered as direct children under the given
+ * device. Note that this only accounts for direct children of the device.
+ * Refer to ssam_device_add()/ssam_device_remove() for more details.
*/
-void ssam_controller_remove_clients(struct ssam_controller *ctrl)
+void ssam_remove_clients(struct device *dev)
{
- struct device *dev;
-
- dev = ssam_controller_device(ctrl);
device_for_each_child_reverse(dev, NULL, ssam_remove_device);
}
+EXPORT_SYMBOL_GPL(ssam_remove_clients);
/**
* ssam_bus_register() - Register and set-up the SSAM client device bus.
diff --git a/drivers/platform/surface/aggregator/bus.h b/drivers/platform/surface/aggregator/bus.h
index ed032c2cbdb2..6964ee84e79c 100644
--- a/drivers/platform/surface/aggregator/bus.h
+++ b/drivers/platform/surface/aggregator/bus.h
@@ -12,14 +12,11 @@
#ifdef CONFIG_SURFACE_AGGREGATOR_BUS
-void ssam_controller_remove_clients(struct ssam_controller *ctrl);
-
int ssam_bus_register(void);
void ssam_bus_unregister(void);
#else /* CONFIG_SURFACE_AGGREGATOR_BUS */
-static inline void ssam_controller_remove_clients(struct ssam_controller *ctrl) {}
static inline int ssam_bus_register(void) { return 0; }
static inline void ssam_bus_unregister(void) {}
diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c
index c61bbeeec2df..d384d36098c2 100644
--- a/drivers/platform/surface/aggregator/core.c
+++ b/drivers/platform/surface/aggregator/core.c
@@ -22,6 +22,7 @@
#include <linux/sysfs.h>
#include <linux/surface_aggregator/controller.h>
+#include <linux/surface_aggregator/device.h>
#include "bus.h"
#include "controller.h"
@@ -735,7 +736,7 @@ static void ssam_serial_hub_remove(struct serdev_device *serdev)
ssam_controller_lock(ctrl);
/* Remove all client devices. */
- ssam_controller_remove_clients(ctrl);
+ ssam_remove_clients(&serdev->dev);
/* Act as if suspending to silence events. */
status = ssam_ctrl_notif_display_off(ctrl);
diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
index e70f4c63554e..ce2bd88feeaa 100644
--- a/drivers/platform/surface/surface_aggregator_registry.c
+++ b/drivers/platform/surface/surface_aggregator_registry.c
@@ -258,20 +258,6 @@ static int ssam_uid_from_string(const char *str, struct ssam_device_uid *uid)
return 0;
}
-static int ssam_hub_remove_devices_fn(struct device *dev, void *data)
-{
- if (!is_ssam_device(dev))
- return 0;
-
- ssam_device_remove(to_ssam_device(dev));
- return 0;
-}
-
-static void ssam_hub_remove_devices(struct device *parent)
-{
- device_for_each_child_reverse(parent, NULL, ssam_hub_remove_devices_fn);
-}
-
static int ssam_hub_add_device(struct device *parent, struct ssam_controller *ctrl,
struct fwnode_handle *node)
{
@@ -297,8 +283,8 @@ static int ssam_hub_add_device(struct device *parent, struct ssam_controller *ct
return status;
}
-static int ssam_hub_add_devices(struct device *parent, struct ssam_controller *ctrl,
- struct fwnode_handle *node)
+static int ssam_hub_register_clients(struct device *parent, struct ssam_controller *ctrl,
+ struct fwnode_handle *node)
{
struct fwnode_handle *child;
int status;
@@ -317,7 +303,7 @@ static int ssam_hub_add_devices(struct device *parent, struct ssam_controller *c
return 0;
err:
- ssam_hub_remove_devices(parent);
+ ssam_remove_clients(parent);
return status;
}
@@ -412,9 +398,9 @@ static void ssam_base_hub_update_workfn(struct work_struct *work)
hub->state = state;
if (hub->state == SSAM_BASE_HUB_CONNECTED)
- status = ssam_hub_add_devices(&hub->sdev->dev, hub->sdev->ctrl, node);
+ status = ssam_hub_register_clients(&hub->sdev->dev, hub->sdev->ctrl, node);
else
- ssam_hub_remove_devices(&hub->sdev->dev);
+ ssam_remove_clients(&hub->sdev->dev);
if (status)
dev_err(&hub->sdev->dev, "failed to update base-hub devices: %d\n", status);
@@ -496,7 +482,7 @@ static int ssam_base_hub_probe(struct ssam_device *sdev)
err:
ssam_notifier_unregister(sdev->ctrl, &hub->notif);
cancel_delayed_work_sync(&hub->update_work);
- ssam_hub_remove_devices(&sdev->dev);
+ ssam_remove_clients(&sdev->dev);
return status;
}
@@ -508,7 +494,7 @@ static void ssam_base_hub_remove(struct ssam_device *sdev)
ssam_notifier_unregister(sdev->ctrl, &hub->notif);
cancel_delayed_work_sync(&hub->update_work);
- ssam_hub_remove_devices(&sdev->dev);
+ ssam_remove_clients(&sdev->dev);
}
static const struct ssam_device_id ssam_base_hub_match[] = {
@@ -611,7 +597,7 @@ static int ssam_platform_hub_probe(struct platform_device *pdev)
set_secondary_fwnode(&pdev->dev, root);
- status = ssam_hub_add_devices(&pdev->dev, ctrl, root);
+ status = ssam_hub_register_clients(&pdev->dev, ctrl, root);
if (status) {
set_secondary_fwnode(&pdev->dev, NULL);
software_node_unregister_node_group(nodes);
@@ -625,7 +611,7 @@ static int ssam_platform_hub_remove(struct platform_device *pdev)
{
const struct software_node **nodes = platform_get_drvdata(pdev);
- ssam_hub_remove_devices(&pdev->dev);
+ ssam_remove_clients(&pdev->dev);
set_secondary_fwnode(&pdev->dev, NULL);
software_node_unregister_node_group(nodes);
return 0;
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 97e87628eb35..24deeeb29af2 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -127,6 +127,19 @@ config GIGABYTE_WMI
To compile this driver as a module, choose M here: the module will
be called gigabyte-wmi.
+config YOGABOOK_WMI
+ tristate "Lenovo Yoga Book tablet WMI key driver"
+ depends on ACPI_WMI
+ depends on INPUT
+ select LEDS_CLASS
+ select NEW_LEDS
+ help
+ Say Y here if you want to support the 'Pen' key and keyboard backlight
+ control on the Lenovo Yoga Book tablets.
+
+ To compile this driver as a module, choose M here: the module will
+ be called lenovo-yogabook-wmi.
+
config ACERHDF
tristate "Acer Aspire One temperature and fan driver"
depends on ACPI && THERMAL
@@ -296,6 +309,25 @@ config ASUS_NB_WMI
If you have an ACPI-WMI compatible Asus Notebook, say Y or M
here.
+config ASUS_TF103C_DOCK
+ tristate "Asus TF103C 2-in-1 keyboard dock"
+ depends on ACPI
+ depends on I2C
+ depends on INPUT
+ depends on HID
+ depends on GPIOLIB
+ help
+ This is a driver for the keyboard, touchpad and USB port of the
+ keyboard dock for the Asus TF103C 2-in-1 tablet.
+
+ This keyboard dock has its own I2C attached embedded controller
+ and the keyboard and touchpad are also connected over I2C,
+ instead of using the usual USB connection. This means that the
+ keyboard dock requires this special driver to function.
+
+ If you have an Asus TF103C tablet say Y or M here, for a generic x86
+ distro config say M here.
+
config MERAKI_MX100
tristate "Cisco Meraki MX100 Platform Driver"
depends on GPIOLIB
@@ -993,6 +1025,23 @@ config TOUCHSCREEN_DMI
the OS-image for the device. This option supplies the missing info.
Enable this for x86 tablets with Silead or Chipone touchscreens.
+config X86_ANDROID_TABLETS
+ tristate "X86 Android tablet support"
+ depends on I2C && SERIAL_DEV_BUS && ACPI && GPIOLIB
+ help
+ X86 tablets which ship with Android as (part of) the factory image
+ typically have various problems with their DSDTs. The factory kernels
+ shipped on these devices typically have device addresses and GPIOs
+ hardcoded in the kernel, rather than specified in their DSDT.
+
+ With the DSDT containing a random collection of devices which may or
+ may not actually be present. This driver contains various fixes for
+ such tablets, including instantiating kernel devices for devices which
+ are missing from the DSDT.
+
+ If you have a x86 Android tablet say Y or M here, for a generic x86
+ distro config say M here.
+
config FW_ATTR_CLASS
tristate
@@ -1077,6 +1126,18 @@ config INTEL_SCU_IPC_UTIL
low level access for debug work and updating the firmware. Say
N unless you will be doing this on an Intel MID platform.
+config SIEMENS_SIMATIC_IPC
+ tristate "Siemens Simatic IPC Class driver"
+ depends on PCI
+ help
+ This Simatic IPC class driver is the central of several drivers. It
+ is mainly used for system identification, after which drivers in other
+ classes will take care of driving specifics of those machines.
+ i.e. LEDs and watchdog.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc.
+
endif # X86_PLATFORM_DEVICES
config PMC_ATOM
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 253a096b5dd8..c12a9b044fd8 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_NVIDIA_WMI_EC_BACKLIGHT) += nvidia-wmi-ec-backlight.o
obj-$(CONFIG_PEAQ_WMI) += peaq-wmi.o
obj-$(CONFIG_XIAOMI_WMI) += xiaomi-wmi.o
obj-$(CONFIG_GIGABYTE_WMI) += gigabyte-wmi.o
+obj-$(CONFIG_YOGABOOK_WMI) += lenovo-yogabook-wmi.o
# Acer
obj-$(CONFIG_ACERHDF) += acerhdf.o
@@ -35,6 +36,7 @@ obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
obj-$(CONFIG_ASUS_WIRELESS) += asus-wireless.o
obj-$(CONFIG_ASUS_WMI) += asus-wmi.o
obj-$(CONFIG_ASUS_NB_WMI) += asus-nb-wmi.o
+obj-$(CONFIG_ASUS_TF103C_DOCK) += asus-tf103c-dock.o
obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
obj-$(CONFIG_EEEPC_WMI) += eeepc-wmi.o
@@ -112,6 +114,7 @@ obj-$(CONFIG_I2C_MULTI_INSTANTIATE) += i2c-multi-instantiate.o
obj-$(CONFIG_MLX_PLATFORM) += mlx-platform.o
obj-$(CONFIG_TOUCHSCREEN_DMI) += touchscreen_dmi.o
obj-$(CONFIG_WIRELESS_HOTKEY) += wireless-hotkey.o
+obj-$(CONFIG_X86_ANDROID_TABLETS) += x86-android-tablets.o
# Intel uncore drivers
obj-$(CONFIG_INTEL_IPS) += intel_ips.o
@@ -123,3 +126,6 @@ obj-$(CONFIG_INTEL_SCU_PLATFORM) += intel_scu_pltdrv.o
obj-$(CONFIG_INTEL_SCU_WDT) += intel_scu_wdt.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
obj-$(CONFIG_PMC_ATOM) += pmc_atom.o
+
+# Siemens Simatic Industrial PCs
+obj-$(CONFIG_SIEMENS_SIMATIC_IPC) += simatic-ipc.o
diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index 230593ae5d6d..f794343d6aaa 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -35,6 +35,12 @@
#define AMD_PMC_SCRATCH_REG_CZN 0x94
#define AMD_PMC_SCRATCH_REG_YC 0xD14
+/* STB Registers */
+#define AMD_PMC_STB_INDEX_ADDRESS 0xF8
+#define AMD_PMC_STB_INDEX_DATA 0xFC
+#define AMD_PMC_STB_PMI_0 0x03E30600
+#define AMD_PMC_STB_PREDEF 0xC6000001
+
/* Base address of SMU for mapping physical address to virtual address */
#define AMD_PMC_SMU_INDEX_ADDRESS 0xB8
#define AMD_PMC_SMU_INDEX_DATA 0xBC
@@ -82,6 +88,7 @@
#define SOC_SUBSYSTEM_IP_MAX 12
#define DELAY_MIN_US 2000
#define DELAY_MAX_US 3000
+#define FIFO_SIZE 4096
enum amd_pmc_def {
MSG_TEST = 0x01,
MSG_OS_HINT_PCO,
@@ -121,14 +128,21 @@ struct amd_pmc_dev {
u16 minor;
u16 rev;
struct device *dev;
+ struct pci_dev *rdev;
struct mutex lock; /* generic mutex lock */
#if IS_ENABLED(CONFIG_DEBUG_FS)
struct dentry *dbgfs_dir;
#endif /* CONFIG_DEBUG_FS */
};
+static bool enable_stb;
+module_param(enable_stb, bool, 0644);
+MODULE_PARM_DESC(enable_stb, "Enable the STB debug mechanism");
+
static struct amd_pmc_dev pmc;
static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, bool ret);
+static int amd_pmc_write_stb(struct amd_pmc_dev *dev, u32 data);
+static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf);
static inline u32 amd_pmc_reg_read(struct amd_pmc_dev *dev, int reg_offset)
{
@@ -175,6 +189,50 @@ static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
return 0;
}
+static int amd_pmc_stb_debugfs_open(struct inode *inode, struct file *filp)
+{
+ struct amd_pmc_dev *dev = filp->f_inode->i_private;
+ u32 size = FIFO_SIZE * sizeof(u32);
+ u32 *buf;
+ int rc;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ rc = amd_pmc_read_stb(dev, buf);
+ if (rc) {
+ kfree(buf);
+ return rc;
+ }
+
+ filp->private_data = buf;
+ return rc;
+}
+
+static ssize_t amd_pmc_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
+ loff_t *pos)
+{
+ if (!filp->private_data)
+ return -EINVAL;
+
+ return simple_read_from_buffer(buf, size, pos, filp->private_data,
+ FIFO_SIZE * sizeof(u32));
+}
+
+static int amd_pmc_stb_debugfs_release(struct inode *inode, struct file *filp)
+{
+ kfree(filp->private_data);
+ return 0;
+}
+
+const struct file_operations amd_pmc_stb_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = amd_pmc_stb_debugfs_open,
+ .read = amd_pmc_stb_debugfs_read,
+ .release = amd_pmc_stb_debugfs_release,
+};
+
static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
struct seq_file *s)
{
@@ -288,6 +346,10 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
&s0ix_stats_fops);
debugfs_create_file("amd_pmc_idlemask", 0644, dev->dbgfs_dir, dev,
&amd_pmc_idlemask_fops);
+ /* Enable STB only when the module_param is set */
+ if (enable_stb)
+ debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev,
+ &amd_pmc_stb_debugfs_fops);
}
#else
static inline void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
@@ -484,6 +546,13 @@ static int __maybe_unused amd_pmc_suspend(struct device *dev)
if (rc)
dev_err(pdev->dev, "suspend failed\n");
+ if (enable_stb)
+ rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_PREDEF);
+ if (rc) {
+ dev_err(pdev->dev, "error writing to STB\n");
+ return rc;
+ }
+
return rc;
}
@@ -504,6 +573,14 @@ static int __maybe_unused amd_pmc_resume(struct device *dev)
/* Dump the IdleMask to see the blockers */
amd_pmc_idlemask_read(pdev, dev, NULL);
+ /* Write data incremented by 1 to distinguish in stb_read */
+ if (enable_stb)
+ rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_PREDEF + 1);
+ if (rc) {
+ dev_err(pdev->dev, "error writing to STB\n");
+ return rc;
+ }
+
return 0;
}
@@ -521,6 +598,50 @@ static const struct pci_device_id pmc_pci_ids[] = {
{ }
};
+static int amd_pmc_write_stb(struct amd_pmc_dev *dev, u32 data)
+{
+ int err;
+
+ err = pci_write_config_dword(dev->rdev, AMD_PMC_STB_INDEX_ADDRESS, AMD_PMC_STB_PMI_0);
+ if (err) {
+ dev_err(dev->dev, "failed to write addr in stb: 0x%X\n",
+ AMD_PMC_STB_INDEX_ADDRESS);
+ return pcibios_err_to_errno(err);
+ }
+
+ err = pci_write_config_dword(dev->rdev, AMD_PMC_STB_INDEX_DATA, data);
+ if (err) {
+ dev_err(dev->dev, "failed to write data in stb: 0x%X\n",
+ AMD_PMC_STB_INDEX_DATA);
+ return pcibios_err_to_errno(err);
+ }
+
+ return 0;
+}
+
+static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf)
+{
+ int i, err;
+
+ err = pci_write_config_dword(dev->rdev, AMD_PMC_STB_INDEX_ADDRESS, AMD_PMC_STB_PMI_0);
+ if (err) {
+ dev_err(dev->dev, "error writing addr to stb: 0x%X\n",
+ AMD_PMC_STB_INDEX_ADDRESS);
+ return pcibios_err_to_errno(err);
+ }
+
+ for (i = 0; i < FIFO_SIZE; i++) {
+ err = pci_read_config_dword(dev->rdev, AMD_PMC_STB_INDEX_DATA, buf++);
+ if (err) {
+ dev_err(dev->dev, "error reading data from stb: 0x%X\n",
+ AMD_PMC_STB_INDEX_DATA);
+ return pcibios_err_to_errno(err);
+ }
+ }
+
+ return 0;
+}
+
static int amd_pmc_probe(struct platform_device *pdev)
{
struct amd_pmc_dev *dev = &pmc;
@@ -534,22 +655,23 @@ static int amd_pmc_probe(struct platform_device *pdev)
rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
if (!rdev || !pci_match_id(pmc_pci_ids, rdev)) {
- pci_dev_put(rdev);
- return -ENODEV;
+ err = -ENODEV;
+ goto err_pci_dev_put;
}
dev->cpu_id = rdev->device;
+ dev->rdev = rdev;
err = pci_write_config_dword(rdev, AMD_PMC_SMU_INDEX_ADDRESS, AMD_PMC_BASE_ADDR_LO);
if (err) {
dev_err(dev->dev, "error writing to 0x%x\n", AMD_PMC_SMU_INDEX_ADDRESS);
- pci_dev_put(rdev);
- return pcibios_err_to_errno(err);
+ err = pcibios_err_to_errno(err);
+ goto err_pci_dev_put;
}
err = pci_read_config_dword(rdev, AMD_PMC_SMU_INDEX_DATA, &val);
if (err) {
- pci_dev_put(rdev);
- return pcibios_err_to_errno(err);
+ err = pcibios_err_to_errno(err);
+ goto err_pci_dev_put;
}
base_addr_lo = val & AMD_PMC_BASE_ADDR_HI_MASK;
@@ -557,24 +679,25 @@ static int amd_pmc_probe(struct platform_device *pdev)
err = pci_write_config_dword(rdev, AMD_PMC_SMU_INDEX_ADDRESS, AMD_PMC_BASE_ADDR_HI);
if (err) {
dev_err(dev->dev, "error writing to 0x%x\n", AMD_PMC_SMU_INDEX_ADDRESS);
- pci_dev_put(rdev);
- return pcibios_err_to_errno(err);
+ err = pcibios_err_to_errno(err);
+ goto err_pci_dev_put;
}
err = pci_read_config_dword(rdev, AMD_PMC_SMU_INDEX_DATA, &val);
if (err) {
- pci_dev_put(rdev);
- return pcibios_err_to_errno(err);
+ err = pcibios_err_to_errno(err);
+ goto err_pci_dev_put;
}
base_addr_hi = val & AMD_PMC_BASE_ADDR_LO_MASK;
- pci_dev_put(rdev);
base_addr = ((u64)base_addr_hi << 32 | base_addr_lo);
dev->regbase = devm_ioremap(dev->dev, base_addr + AMD_PMC_BASE_ADDR_OFFSET,
AMD_PMC_MAPPING_SIZE);
- if (!dev->regbase)
- return -ENOMEM;
+ if (!dev->regbase) {
+ err = -ENOMEM;
+ goto err_pci_dev_put;
+ }
mutex_init(&dev->lock);
@@ -583,8 +706,10 @@ static int amd_pmc_probe(struct platform_device *pdev)
base_addr_hi = FCH_BASE_PHY_ADDR_HIGH;
fch_phys_addr = ((u64)base_addr_hi << 32 | base_addr_lo);
dev->fch_virt_addr = devm_ioremap(dev->dev, fch_phys_addr, FCH_SSC_MAPPING_SIZE);
- if (!dev->fch_virt_addr)
- return -ENOMEM;
+ if (!dev->fch_virt_addr) {
+ err = -ENOMEM;
+ goto err_pci_dev_put;
+ }
/* Use SMU to get the s0i3 debug stats */
err = amd_pmc_setup_smu_logging(dev);
@@ -595,6 +720,10 @@ static int amd_pmc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dev);
amd_pmc_dbgfs_register(dev);
return 0;
+
+err_pci_dev_put:
+ pci_dev_put(rdev);
+ return err;
}
static int amd_pmc_remove(struct platform_device *pdev)
@@ -602,6 +731,7 @@ static int amd_pmc_remove(struct platform_device *pdev)
struct amd_pmc_dev *dev = platform_get_drvdata(pdev);
amd_pmc_dbgfs_unregister(dev);
+ pci_dev_put(dev->rdev);
mutex_destroy(&dev->lock);
return 0;
}
diff --git a/drivers/platform/x86/asus-tf103c-dock.c b/drivers/platform/x86/asus-tf103c-dock.c
new file mode 100644
index 000000000000..d4ef8f362ee6
--- /dev/null
+++ b/drivers/platform/x86/asus-tf103c-dock.c
@@ -0,0 +1,945 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * This is a driver for the keyboard, touchpad and USB port of the
+ * keyboard dock for the Asus TF103C 2-in-1 tablet.
+ *
+ * This keyboard dock has its own I2C attached embedded controller
+ * and the keyboard and touchpad are also connected over I2C,
+ * instead of using the usual USB connection. This means that the
+ * keyboard dock requires this special driver to function.
+ *
+ * Copyright (C) 2021 Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/dmi.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/machine.h>
+#include <linux/hid.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/mod_devicetable.h>
+#include <linux/moduleparam.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/workqueue.h>
+#include <asm/unaligned.h>
+
+static bool fnlock;
+module_param(fnlock, bool, 0644);
+MODULE_PARM_DESC(fnlock,
+ "By default the kbd toprow sends multimedia key presses. AltGr "
+ "can be pressed to change this to F1-F12. Set this to 1 to "
+ "change the default. Press AltGr + Esc to toggle at runtime.");
+
+#define TF103C_DOCK_DEV_NAME "NPCE69A:00"
+
+#define TF103C_DOCK_HPD_DEBOUNCE msecs_to_jiffies(20)
+
+/*** Touchpad I2C device defines ***/
+#define TF103C_DOCK_TP_ADDR 0x15
+
+/*** Keyboard I2C device defines **A*/
+#define TF103C_DOCK_KBD_ADDR 0x16
+
+#define TF103C_DOCK_KBD_DATA_REG 0x73
+#define TF103C_DOCK_KBD_DATA_MIN_LENGTH 4
+#define TF103C_DOCK_KBD_DATA_MAX_LENGTH 11
+#define TF103C_DOCK_KBD_DATA_MODIFIERS 3
+#define TF103C_DOCK_KBD_DATA_KEYS 5
+#define TF103C_DOCK_KBD_CMD_REG 0x75
+
+#define TF103C_DOCK_KBD_CMD_ENABLE 0x0800
+
+/*** EC innterrupt data I2C device defines ***/
+#define TF103C_DOCK_INTR_ADDR 0x19
+#define TF103C_DOCK_INTR_DATA_REG 0x6a
+
+#define TF103C_DOCK_INTR_DATA1_OBF_MASK 0x01
+#define TF103C_DOCK_INTR_DATA1_KEY_MASK 0x04
+#define TF103C_DOCK_INTR_DATA1_KBC_MASK 0x08
+#define TF103C_DOCK_INTR_DATA1_AUX_MASK 0x20
+#define TF103C_DOCK_INTR_DATA1_SCI_MASK 0x40
+#define TF103C_DOCK_INTR_DATA1_SMI_MASK 0x80
+/* Special values for the OOB data on kbd_client / tp_client */
+#define TF103C_DOCK_INTR_DATA1_OOB_VALUE 0xc1
+#define TF103C_DOCK_INTR_DATA2_OOB_VALUE 0x04
+
+#define TF103C_DOCK_SMI_AC_EVENT 0x31
+#define TF103C_DOCK_SMI_HANDSHAKING 0x50
+#define TF103C_DOCK_SMI_EC_WAKEUP 0x53
+#define TF103C_DOCK_SMI_BOOTBLOCK_RESET 0x5e
+#define TF103C_DOCK_SMI_WATCHDOG_RESET 0x5f
+#define TF103C_DOCK_SMI_ADAPTER_CHANGE 0x60
+#define TF103C_DOCK_SMI_DOCK_INSERT 0x61
+#define TF103C_DOCK_SMI_DOCK_REMOVE 0x62
+#define TF103C_DOCK_SMI_PAD_BL_CHANGE 0x63
+#define TF103C_DOCK_SMI_HID_STATUS_CHANGED 0x64
+#define TF103C_DOCK_SMI_HID_WAKEUP 0x65
+#define TF103C_DOCK_SMI_S3 0x83
+#define TF103C_DOCK_SMI_S5 0x85
+#define TF103C_DOCK_SMI_NOTIFY_SHUTDOWN 0x90
+#define TF103C_DOCK_SMI_RESUME 0x91
+
+/*** EC (dockram) I2C device defines ***/
+#define TF103C_DOCK_EC_ADDR 0x1b
+
+#define TF103C_DOCK_EC_CMD_REG 0x0a
+#define TF103C_DOCK_EC_CMD_LEN 9
+
+enum {
+ TF103C_DOCK_FLAG_HID_OPEN,
+};
+
+struct tf103c_dock_data {
+ struct delayed_work hpd_work;
+ struct irq_chip tp_irqchip;
+ struct irq_domain *tp_irq_domain;
+ struct i2c_client *ec_client;
+ struct i2c_client *intr_client;
+ struct i2c_client *kbd_client;
+ struct i2c_client *tp_client;
+ struct gpio_desc *pwr_en;
+ struct gpio_desc *irq_gpio;
+ struct gpio_desc *hpd_gpio;
+ struct input_dev *input;
+ struct hid_device *hid;
+ unsigned long flags;
+ int board_rev;
+ int irq;
+ int hpd_irq;
+ int tp_irq;
+ int last_press_0x13;
+ int last_press_0x14;
+ bool enabled;
+ bool tp_enabled;
+ bool altgr_pressed;
+ bool esc_pressed;
+ bool filter_esc;
+ u8 kbd_buf[TF103C_DOCK_KBD_DATA_MAX_LENGTH];
+};
+
+static struct gpiod_lookup_table tf103c_dock_gpios = {
+ .dev_id = "i2c-" TF103C_DOCK_DEV_NAME,
+ .table = {
+ GPIO_LOOKUP("INT33FC:00", 55, "dock_pwr_en", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 1, "dock_irq", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 29, "dock_hpd", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio_crystalcove", 2, "board_rev", GPIO_ACTIVE_HIGH),
+ {}
+ },
+};
+
+/* Byte 0 is the length of the rest of the packet */
+static const u8 tf103c_dock_enable_cmd[9] = { 8, 0x20, 0, 0, 0, 0, 0x20, 0, 0 };
+static const u8 tf103c_dock_usb_enable_cmd[9] = { 8, 0, 0, 0, 0, 0, 0, 0x40, 0 };
+static const u8 tf103c_dock_suspend_cmd[9] = { 8, 0, 0x20, 0, 0, 0x22, 0, 0, 0 };
+
+/*** keyboard related code ***/
+
+static u8 tf103c_dock_kbd_hid_desc[] = {
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x06, /* Usage (Keyboard), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x11, /* Report ID (17), */
+ 0x95, 0x08, /* Report Count (8), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x05, 0x07, /* Usage Page (Keyboard), */
+ 0x19, 0xE0, /* Usage Minimum (KB Leftcontrol), */
+ 0x29, 0xE7, /* Usage Maximum (KB Right GUI), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x95, 0x06, /* Report Count (6), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+ 0x05, 0x07, /* Usage Page (Keyboard), */
+ 0x19, 0x00, /* Usage Minimum (None), */
+ 0x2A, 0xFF, 0x00, /* Usage Maximum (FFh), */
+ 0x81, 0x00, /* Input, */
+ 0xC0 /* End Collection */
+};
+
+static int tf103c_dock_kbd_read(struct tf103c_dock_data *dock)
+{
+ struct i2c_client *client = dock->kbd_client;
+ struct device *dev = &dock->ec_client->dev;
+ struct i2c_msg msgs[2];
+ u8 reg[2];
+ int ret;
+
+ reg[0] = TF103C_DOCK_KBD_DATA_REG & 0xff;
+ reg[1] = TF103C_DOCK_KBD_DATA_REG >> 8;
+
+ msgs[0].addr = client->addr;
+ msgs[0].flags = 0;
+ msgs[0].len = sizeof(reg);
+ msgs[0].buf = reg;
+
+ msgs[1].addr = client->addr;
+ msgs[1].flags = I2C_M_RD;
+ msgs[1].len = TF103C_DOCK_KBD_DATA_MAX_LENGTH;
+ msgs[1].buf = dock->kbd_buf;
+
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret != ARRAY_SIZE(msgs)) {
+ dev_err(dev, "error %d reading kbd data\n", ret);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void tf103c_dock_kbd_write(struct tf103c_dock_data *dock, u16 cmd)
+{
+ struct device *dev = &dock->ec_client->dev;
+ u8 buf[4];
+ int ret;
+
+ put_unaligned_le16(TF103C_DOCK_KBD_CMD_REG, &buf[0]);
+ put_unaligned_le16(cmd, &buf[2]);
+
+ ret = i2c_master_send(dock->kbd_client, buf, sizeof(buf));
+ if (ret != sizeof(buf))
+ dev_err(dev, "error %d writing kbd cmd\n", ret);
+}
+
+/* HID ll_driver functions for forwarding input-reports from the kbd_client */
+static int tf103c_dock_hid_parse(struct hid_device *hid)
+{
+ return hid_parse_report(hid, tf103c_dock_kbd_hid_desc,
+ sizeof(tf103c_dock_kbd_hid_desc));
+}
+
+static int tf103c_dock_hid_start(struct hid_device *hid)
+{
+ return 0;
+}
+
+static void tf103c_dock_hid_stop(struct hid_device *hid)
+{
+ hid->claimed = 0;
+}
+
+static int tf103c_dock_hid_open(struct hid_device *hid)
+{
+ struct tf103c_dock_data *dock = hid->driver_data;
+
+ set_bit(TF103C_DOCK_FLAG_HID_OPEN, &dock->flags);
+ return 0;
+}
+
+static void tf103c_dock_hid_close(struct hid_device *hid)
+{
+ struct tf103c_dock_data *dock = hid->driver_data;
+
+ clear_bit(TF103C_DOCK_FLAG_HID_OPEN, &dock->flags);
+}
+
+/* Mandatory, but not used */
+static int tf103c_dock_hid_raw_request(struct hid_device *hid, u8 reportnum,
+ u8 *buf, size_t len, u8 rtype, int reqtype)
+{
+ return 0;
+}
+
+struct hid_ll_driver tf103c_dock_hid_ll_driver = {
+ .parse = tf103c_dock_hid_parse,
+ .start = tf103c_dock_hid_start,
+ .stop = tf103c_dock_hid_stop,
+ .open = tf103c_dock_hid_open,
+ .close = tf103c_dock_hid_close,
+ .raw_request = tf103c_dock_hid_raw_request,
+};
+
+static int tf103c_dock_toprow_codes[13][2] = {
+ /* Normal, AltGr pressed */
+ { KEY_POWER, KEY_F1 },
+ { KEY_RFKILL, KEY_F2 },
+ { KEY_F21, KEY_F3 }, /* Touchpad toggle, userspace expects F21 */
+ { KEY_BRIGHTNESSDOWN, KEY_F4 },
+ { KEY_BRIGHTNESSUP, KEY_F5 },
+ { KEY_CAMERA, KEY_F6 },
+ { KEY_CONFIG, KEY_F7 },
+ { KEY_PREVIOUSSONG, KEY_F8 },
+ { KEY_PLAYPAUSE, KEY_F9 },
+ { KEY_NEXTSONG, KEY_F10 },
+ { KEY_MUTE, KEY_F11 },
+ { KEY_VOLUMEDOWN, KEY_F12 },
+ { KEY_VOLUMEUP, KEY_SYSRQ },
+};
+
+static void tf103c_dock_report_toprow_kbd_hook(struct tf103c_dock_data *dock)
+{
+ u8 *esc, *buf = dock->kbd_buf;
+ int size;
+
+ /*
+ * Stop AltGr reports from getting reported on the "Asus TF103C Dock
+ * Keyboard" input_dev, since this gets used as "Fn" key for the toprow
+ * keys. Instead we report this on the "Asus TF103C Dock Top Row Keys"
+ * input_dev, when not used to modify the toprow keys.
+ */
+ dock->altgr_pressed = buf[TF103C_DOCK_KBD_DATA_MODIFIERS] & 0x40;
+ buf[TF103C_DOCK_KBD_DATA_MODIFIERS] &= ~0x40;
+
+ input_report_key(dock->input, KEY_RIGHTALT, dock->altgr_pressed);
+ input_sync(dock->input);
+
+ /* Toggle fnlock on AltGr + Esc press */
+ buf = buf + TF103C_DOCK_KBD_DATA_KEYS;
+ size = TF103C_DOCK_KBD_DATA_MAX_LENGTH - TF103C_DOCK_KBD_DATA_KEYS;
+ esc = memchr(buf, 0x29, size);
+ if (!dock->esc_pressed && esc) {
+ if (dock->altgr_pressed) {
+ fnlock = !fnlock;
+ dock->filter_esc = true;
+ }
+ }
+ if (esc && dock->filter_esc)
+ *esc = 0;
+ else
+ dock->filter_esc = false;
+
+ dock->esc_pressed = esc != NULL;
+}
+
+static void tf103c_dock_toprow_press(struct tf103c_dock_data *dock, int key_code)
+{
+ /*
+ * Release AltGr before reporting the toprow key, so that userspace
+ * sees e.g. just KEY_SUSPEND and not AltGr + KEY_SUSPEND.
+ */
+ if (dock->altgr_pressed) {
+ input_report_key(dock->input, KEY_RIGHTALT, false);
+ input_sync(dock->input);
+ }
+
+ input_report_key(dock->input, key_code, true);
+ input_sync(dock->input);
+}
+
+static void tf103c_dock_toprow_release(struct tf103c_dock_data *dock, int key_code)
+{
+ input_report_key(dock->input, key_code, false);
+ input_sync(dock->input);
+
+ if (dock->altgr_pressed) {
+ input_report_key(dock->input, KEY_RIGHTALT, true);
+ input_sync(dock->input);
+ }
+}
+
+static void tf103c_dock_toprow_event(struct tf103c_dock_data *dock,
+ int toprow_index, int *last_press)
+{
+ int key_code, fn = dock->altgr_pressed ^ fnlock;
+
+ if (last_press && *last_press) {
+ tf103c_dock_toprow_release(dock, *last_press);
+ *last_press = 0;
+ }
+
+ if (toprow_index < 0)
+ return;
+
+ key_code = tf103c_dock_toprow_codes[toprow_index][fn];
+ tf103c_dock_toprow_press(dock, key_code);
+
+ if (last_press)
+ *last_press = key_code;
+ else
+ tf103c_dock_toprow_release(dock, key_code);
+}
+
+/*
+ * The keyboard sends what appears to be standard I2C-HID input-reports,
+ * except that a 16 bit register address of where the I2C-HID format
+ * input-reports are stored must be send before reading it in a single
+ * (I2C repeated-start) I2C transaction.
+ *
+ * Its unknown how to get the HID descriptors but they are easy to reconstruct:
+ *
+ * Input report id 0x11 is 8 bytes long and contain standard USB HID intf-class,
+ * Boot Interface Subclass reports.
+ * Input report id 0x13 is 2 bytes long and sends Consumer Control events
+ * Input report id 0x14 is 1 byte long and sends System Control events
+ *
+ * However the top row keys (where a normal keyboard has F1-F12 + Print-Screen)
+ * are a mess, using a mix of the 0x13 and 0x14 input reports as well as EC SCI
+ * events; and these need special handling to allow actually sending F1-F12,
+ * since the Fn key on the keyboard only works on the cursor keys and the top
+ * row keys always send their special "Multimedia hotkey" codes.
+ *
+ * So only forward the 0x11 reports to HID and handle the top-row keys here.
+ */
+static void tf103c_dock_kbd_interrupt(struct tf103c_dock_data *dock)
+{
+ struct device *dev = &dock->ec_client->dev;
+ u8 *buf = dock->kbd_buf;
+ int size;
+
+ if (tf103c_dock_kbd_read(dock))
+ return;
+
+ size = buf[0] | buf[1] << 8;
+ if (size < TF103C_DOCK_KBD_DATA_MIN_LENGTH ||
+ size > TF103C_DOCK_KBD_DATA_MAX_LENGTH) {
+ dev_err(dev, "error reported kbd pkt size %d is out of range %d-%d\n", size,
+ TF103C_DOCK_KBD_DATA_MIN_LENGTH,
+ TF103C_DOCK_KBD_DATA_MAX_LENGTH);
+ return;
+ }
+
+ switch (buf[2]) {
+ case 0x11:
+ if (size != 11)
+ break;
+
+ tf103c_dock_report_toprow_kbd_hook(dock);
+
+ if (test_bit(TF103C_DOCK_FLAG_HID_OPEN, &dock->flags))
+ hid_input_report(dock->hid, HID_INPUT_REPORT, buf + 2, size - 2, 1);
+ return;
+ case 0x13:
+ if (size != 5)
+ break;
+
+ switch (buf[3] | buf[4] << 8) {
+ case 0:
+ tf103c_dock_toprow_event(dock, -1, &dock->last_press_0x13);
+ return;
+ case 0x70:
+ tf103c_dock_toprow_event(dock, 3, &dock->last_press_0x13);
+ return;
+ case 0x6f:
+ tf103c_dock_toprow_event(dock, 4, &dock->last_press_0x13);
+ return;
+ case 0xb6:
+ tf103c_dock_toprow_event(dock, 7, &dock->last_press_0x13);
+ return;
+ case 0xcd:
+ tf103c_dock_toprow_event(dock, 8, &dock->last_press_0x13);
+ return;
+ case 0xb5:
+ tf103c_dock_toprow_event(dock, 9, &dock->last_press_0x13);
+ return;
+ case 0xe2:
+ tf103c_dock_toprow_event(dock, 10, &dock->last_press_0x13);
+ return;
+ case 0xea:
+ tf103c_dock_toprow_event(dock, 11, &dock->last_press_0x13);
+ return;
+ case 0xe9:
+ tf103c_dock_toprow_event(dock, 12, &dock->last_press_0x13);
+ return;
+ }
+ break;
+ case 0x14:
+ if (size != 4)
+ break;
+
+ switch (buf[3]) {
+ case 0:
+ tf103c_dock_toprow_event(dock, -1, &dock->last_press_0x14);
+ return;
+ case 1:
+ tf103c_dock_toprow_event(dock, 0, &dock->last_press_0x14);
+ return;
+ }
+ break;
+ }
+
+ dev_warn(dev, "warning unknown kbd data: %*ph\n", size, buf);
+}
+
+/*** touchpad related code ***/
+
+static const struct property_entry tf103c_dock_touchpad_props[] = {
+ PROPERTY_ENTRY_BOOL("elan,clickpad"),
+ { }
+};
+
+static const struct software_node tf103c_dock_touchpad_sw_node = {
+ .properties = tf103c_dock_touchpad_props,
+};
+
+/*
+ * tf103c_enable_touchpad() is only called from the threaded interrupt handler
+ * and tf103c_disable_touchpad() is only called after the irq is disabled,
+ * so no locking is necessary.
+ */
+static void tf103c_dock_enable_touchpad(struct tf103c_dock_data *dock)
+{
+ struct i2c_board_info board_info = { };
+ struct device *dev = &dock->ec_client->dev;
+ int ret;
+
+ if (dock->tp_enabled) {
+ /* Happens after resume, the tp needs to be reinitialized */
+ ret = device_reprobe(&dock->tp_client->dev);
+ if (ret)
+ dev_err_probe(dev, ret, "reprobing tp-client\n");
+ return;
+ }
+
+ strscpy(board_info.type, "elan_i2c", I2C_NAME_SIZE);
+ board_info.addr = TF103C_DOCK_TP_ADDR;
+ board_info.dev_name = TF103C_DOCK_DEV_NAME "-tp";
+ board_info.irq = dock->tp_irq;
+ board_info.swnode = &tf103c_dock_touchpad_sw_node;
+
+ dock->tp_client = i2c_new_client_device(dock->ec_client->adapter, &board_info);
+ if (IS_ERR(dock->tp_client)) {
+ dev_err(dev, "error %ld creating tp client\n", PTR_ERR(dock->tp_client));
+ return;
+ }
+
+ dock->tp_enabled = true;
+}
+
+static void tf103c_dock_disable_touchpad(struct tf103c_dock_data *dock)
+{
+ if (!dock->tp_enabled)
+ return;
+
+ i2c_unregister_device(dock->tp_client);
+
+ dock->tp_enabled = false;
+}
+
+/*** interrupt handling code ***/
+static void tf103c_dock_ec_cmd(struct tf103c_dock_data *dock, const u8 *cmd)
+{
+ struct device *dev = &dock->ec_client->dev;
+ int ret;
+
+ ret = i2c_smbus_write_i2c_block_data(dock->ec_client, TF103C_DOCK_EC_CMD_REG,
+ TF103C_DOCK_EC_CMD_LEN, cmd);
+ if (ret)
+ dev_err(dev, "error %d sending %*ph cmd\n", ret,
+ TF103C_DOCK_EC_CMD_LEN, cmd);
+}
+
+static void tf103c_dock_sci(struct tf103c_dock_data *dock, u8 val)
+{
+ struct device *dev = &dock->ec_client->dev;
+
+ switch (val) {
+ case 2:
+ tf103c_dock_toprow_event(dock, 1, NULL);
+ return;
+ case 4:
+ tf103c_dock_toprow_event(dock, 2, NULL);
+ return;
+ case 8:
+ tf103c_dock_toprow_event(dock, 5, NULL);
+ return;
+ case 17:
+ tf103c_dock_toprow_event(dock, 6, NULL);
+ return;
+ }
+
+ dev_warn(dev, "warning unknown SCI value: 0x%02x\n", val);
+}
+
+static void tf103c_dock_smi(struct tf103c_dock_data *dock, u8 val)
+{
+ struct device *dev = &dock->ec_client->dev;
+
+ switch (val) {
+ case TF103C_DOCK_SMI_EC_WAKEUP:
+ tf103c_dock_ec_cmd(dock, tf103c_dock_enable_cmd);
+ tf103c_dock_ec_cmd(dock, tf103c_dock_usb_enable_cmd);
+ tf103c_dock_kbd_write(dock, TF103C_DOCK_KBD_CMD_ENABLE);
+ break;
+ case TF103C_DOCK_SMI_PAD_BL_CHANGE:
+ /* There is no backlight, but the EC still sends this */
+ break;
+ case TF103C_DOCK_SMI_HID_STATUS_CHANGED:
+ tf103c_dock_enable_touchpad(dock);
+ break;
+ default:
+ dev_warn(dev, "warning unknown SMI value: 0x%02x\n", val);
+ break;
+ }
+}
+
+static irqreturn_t tf103c_dock_irq(int irq, void *data)
+{
+ struct tf103c_dock_data *dock = data;
+ struct device *dev = &dock->ec_client->dev;
+ u8 intr_data[8];
+ int ret;
+
+ ret = i2c_smbus_read_i2c_block_data(dock->intr_client, TF103C_DOCK_INTR_DATA_REG,
+ sizeof(intr_data), intr_data);
+ if (ret != sizeof(intr_data)) {
+ dev_err(dev, "error %d reading intr data\n", ret);
+ return IRQ_NONE;
+ }
+
+ if (!(intr_data[1] & TF103C_DOCK_INTR_DATA1_OBF_MASK))
+ return IRQ_NONE;
+
+ /* intr_data[0] is the length of the rest of the packet */
+ if (intr_data[0] == 3 && intr_data[1] == TF103C_DOCK_INTR_DATA1_OOB_VALUE &&
+ intr_data[2] == TF103C_DOCK_INTR_DATA2_OOB_VALUE) {
+ /* intr_data[3] seems to contain a HID input report id */
+ switch (intr_data[3]) {
+ case 0x01:
+ handle_nested_irq(dock->tp_irq);
+ break;
+ case 0x11:
+ case 0x13:
+ case 0x14:
+ tf103c_dock_kbd_interrupt(dock);
+ break;
+ default:
+ dev_warn(dev, "warning unknown intr_data[3]: 0x%02x\n", intr_data[3]);
+ break;
+ }
+ return IRQ_HANDLED;
+ }
+
+ if (intr_data[1] & TF103C_DOCK_INTR_DATA1_SCI_MASK) {
+ tf103c_dock_sci(dock, intr_data[2]);
+ return IRQ_HANDLED;
+ }
+
+ if (intr_data[1] & TF103C_DOCK_INTR_DATA1_SMI_MASK) {
+ tf103c_dock_smi(dock, intr_data[2]);
+ return IRQ_HANDLED;
+ }
+
+ dev_warn(dev, "warning unknown intr data: %*ph\n", 8, intr_data);
+ return IRQ_NONE;
+}
+
+/*
+ * tf103c_dock_[dis|en]able only run from hpd_work or at times when
+ * hpd_work cannot run (hpd_irq disabled), so no locking is necessary.
+ */
+static void tf103c_dock_enable(struct tf103c_dock_data *dock)
+{
+ if (dock->enabled)
+ return;
+
+ if (dock->board_rev != 2)
+ gpiod_set_value(dock->pwr_en, 1);
+
+ msleep(500);
+ enable_irq(dock->irq);
+
+ dock->enabled = true;
+}
+
+static void tf103c_dock_disable(struct tf103c_dock_data *dock)
+{
+ if (!dock->enabled)
+ return;
+
+ disable_irq(dock->irq);
+ tf103c_dock_disable_touchpad(dock);
+ if (dock->board_rev != 2)
+ gpiod_set_value(dock->pwr_en, 0);
+
+ dock->enabled = false;
+}
+
+static void tf103c_dock_hpd_work(struct work_struct *work)
+{
+ struct tf103c_dock_data *dock =
+ container_of(work, struct tf103c_dock_data, hpd_work.work);
+
+ if (gpiod_get_value(dock->hpd_gpio))
+ tf103c_dock_enable(dock);
+ else
+ tf103c_dock_disable(dock);
+}
+
+static irqreturn_t tf103c_dock_hpd_irq(int irq, void *data)
+{
+ struct tf103c_dock_data *dock = data;
+
+ mod_delayed_work(system_long_wq, &dock->hpd_work, TF103C_DOCK_HPD_DEBOUNCE);
+ return IRQ_HANDLED;
+}
+
+static void tf103c_dock_start_hpd(struct tf103c_dock_data *dock)
+{
+ enable_irq(dock->hpd_irq);
+ /* Sync current HPD status */
+ queue_delayed_work(system_long_wq, &dock->hpd_work, TF103C_DOCK_HPD_DEBOUNCE);
+}
+
+static void tf103c_dock_stop_hpd(struct tf103c_dock_data *dock)
+{
+ disable_irq(dock->hpd_irq);
+ cancel_delayed_work_sync(&dock->hpd_work);
+}
+
+/*** probe ***/
+
+static const struct dmi_system_id tf103c_dock_dmi_ids[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"),
+ },
+ },
+ { }
+};
+
+static void tf103c_dock_non_devm_cleanup(void *data)
+{
+ struct tf103c_dock_data *dock = data;
+
+ if (dock->tp_irq_domain)
+ irq_domain_remove(dock->tp_irq_domain);
+
+ if (!IS_ERR_OR_NULL(dock->hid))
+ hid_destroy_device(dock->hid);
+
+ i2c_unregister_device(dock->kbd_client);
+ i2c_unregister_device(dock->intr_client);
+ gpiod_remove_lookup_table(&tf103c_dock_gpios);
+}
+
+static int tf103c_dock_probe(struct i2c_client *client)
+{
+ struct i2c_board_info board_info = { };
+ struct device *dev = &client->dev;
+ struct gpio_desc *board_rev_gpio;
+ struct tf103c_dock_data *dock;
+ enum gpiod_flags flags;
+ int i, ret;
+
+ /* GPIOs are hardcoded for the Asus TF103C, don't bind on other devs */
+ if (!dmi_check_system(tf103c_dock_dmi_ids))
+ return -ENODEV;
+
+ dock = devm_kzalloc(dev, sizeof(*dock), GFP_KERNEL);
+ if (!dock)
+ return -ENOMEM;
+
+ INIT_DELAYED_WORK(&dock->hpd_work, tf103c_dock_hpd_work);
+
+ /* 1. Get GPIOs and their IRQs */
+ gpiod_add_lookup_table(&tf103c_dock_gpios);
+
+ ret = devm_add_action_or_reset(dev, tf103c_dock_non_devm_cleanup, dock);
+ if (ret)
+ return ret;
+
+ /*
+ * The pin is configured as input by default, use ASIS because otherwise
+ * the gpio-crystalcove.c switches off the internal pull-down replacing
+ * it with a pull-up.
+ */
+ board_rev_gpio = gpiod_get(dev, "board_rev", GPIOD_ASIS);
+ if (IS_ERR(board_rev_gpio))
+ return dev_err_probe(dev, PTR_ERR(board_rev_gpio), "requesting board_rev GPIO\n");
+ dock->board_rev = gpiod_get_value_cansleep(board_rev_gpio) + 1;
+ gpiod_put(board_rev_gpio);
+
+ /*
+ * The Android driver drives the dock-pwr-en pin high at probe for
+ * revision 2 boards and then never touches it again?
+ * This code has only been tested on a revision 1 board, so for now
+ * just mimick what Android does on revision 2 boards.
+ */
+ flags = (dock->board_rev == 2) ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
+ dock->pwr_en = devm_gpiod_get(dev, "dock_pwr_en", flags);
+ if (IS_ERR(dock->pwr_en))
+ return dev_err_probe(dev, PTR_ERR(dock->pwr_en), "requesting pwr_en GPIO\n");
+
+ dock->irq_gpio = devm_gpiod_get(dev, "dock_irq", GPIOD_IN);
+ if (IS_ERR(dock->irq_gpio))
+ return dev_err_probe(dev, PTR_ERR(dock->irq_gpio), "requesting IRQ GPIO\n");
+
+ dock->irq = gpiod_to_irq(dock->irq_gpio);
+ if (dock->irq < 0)
+ return dev_err_probe(dev, dock->irq, "getting dock IRQ");
+
+ ret = devm_request_threaded_irq(dev, dock->irq, NULL, tf103c_dock_irq,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_NO_AUTOEN,
+ "dock_irq", dock);
+ if (ret)
+ return dev_err_probe(dev, ret, "requesting dock IRQ");
+
+ dock->hpd_gpio = devm_gpiod_get(dev, "dock_hpd", GPIOD_IN);
+ if (IS_ERR(dock->hpd_gpio))
+ return dev_err_probe(dev, PTR_ERR(dock->hpd_gpio), "requesting HPD GPIO\n");
+
+ dock->hpd_irq = gpiod_to_irq(dock->hpd_gpio);
+ if (dock->hpd_irq < 0)
+ return dev_err_probe(dev, dock->hpd_irq, "getting HPD IRQ");
+
+ ret = devm_request_irq(dev, dock->hpd_irq, tf103c_dock_hpd_irq,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN,
+ "dock_hpd", dock);
+ if (ret)
+ return ret;
+
+ /*
+ * 2. Create I2C clients. The dock uses 4 different i2c addresses,
+ * the ACPI NPCE69A node being probed points to the EC address.
+ */
+ dock->ec_client = client;
+
+ strscpy(board_info.type, "tf103c-dock-intr", I2C_NAME_SIZE);
+ board_info.addr = TF103C_DOCK_INTR_ADDR;
+ board_info.dev_name = TF103C_DOCK_DEV_NAME "-intr";
+
+ dock->intr_client = i2c_new_client_device(client->adapter, &board_info);
+ if (IS_ERR(dock->intr_client))
+ return dev_err_probe(dev, PTR_ERR(dock->intr_client), "creating intr client\n");
+
+ strscpy(board_info.type, "tf103c-dock-kbd", I2C_NAME_SIZE);
+ board_info.addr = TF103C_DOCK_KBD_ADDR;
+ board_info.dev_name = TF103C_DOCK_DEV_NAME "-kbd";
+
+ dock->kbd_client = i2c_new_client_device(client->adapter, &board_info);
+ if (IS_ERR(dock->kbd_client))
+ return dev_err_probe(dev, PTR_ERR(dock->kbd_client), "creating kbd client\n");
+
+ /* 3. Create input_dev for the top row of the keyboard */
+ dock->input = devm_input_allocate_device(dev);
+ if (!dock->input)
+ return -ENOMEM;
+
+ dock->input->name = "Asus TF103C Dock Top Row Keys";
+ dock->input->phys = dev_name(dev);
+ dock->input->dev.parent = dev;
+ dock->input->id.bustype = BUS_I2C;
+ dock->input->id.vendor = /* USB_VENDOR_ID_ASUSTEK */
+ dock->input->id.product = /* From TF-103-C */
+ dock->input->id.version = 0x0100; /* 1.0 */
+
+ for (i = 0; i < ARRAY_SIZE(tf103c_dock_toprow_codes); i++) {
+ input_set_capability(dock->input, EV_KEY, tf103c_dock_toprow_codes[i][0]);
+ input_set_capability(dock->input, EV_KEY, tf103c_dock_toprow_codes[i][1]);
+ }
+ input_set_capability(dock->input, EV_KEY, KEY_RIGHTALT);
+
+ ret = input_register_device(dock->input);
+ if (ret)
+ return ret;
+
+ /* 4. Create HID device for the keyboard */
+ dock->hid = hid_allocate_device();
+ if (IS_ERR(dock->hid))
+ return dev_err_probe(dev, PTR_ERR(dock->hid), "allocating hid dev\n");
+
+ dock->hid->driver_data = dock;
+ dock->hid->ll_driver = &tf103c_dock_hid_ll_driver;
+ dock->hid->dev.parent = &client->dev;
+ dock->hid->bus = BUS_I2C;
+ dock->hid->vendor = 0x0b05; /* USB_VENDOR_ID_ASUSTEK */
+ dock->hid->product = 0x0103; /* From TF-103-C */
+ dock->hid->version = 0x0100; /* 1.0 */
+ strscpy(dock->hid->name, "Asus TF103C Dock Keyboard", sizeof(dock->hid->name));
+ strscpy(dock->hid->phys, dev_name(dev), sizeof(dock->hid->phys));
+
+ ret = hid_add_device(dock->hid);
+ if (ret)
+ return dev_err_probe(dev, ret, "adding hid dev\n");
+
+ /* 5. Setup irqchip for touchpad IRQ pass-through */
+ dock->tp_irqchip.name = KBUILD_MODNAME;
+
+ dock->tp_irq_domain = irq_domain_add_linear(NULL, 1, &irq_domain_simple_ops, NULL);
+ if (!dock->tp_irq_domain)
+ return -ENOMEM;
+
+ dock->tp_irq = irq_create_mapping(dock->tp_irq_domain, 0);
+ if (!dock->tp_irq)
+ return -ENOMEM;
+
+ irq_set_chip_data(dock->tp_irq, dock);
+ irq_set_chip_and_handler(dock->tp_irq, &dock->tp_irqchip, handle_simple_irq);
+ irq_set_nested_thread(dock->tp_irq, true);
+ irq_set_noprobe(dock->tp_irq);
+
+ dev_info(dev, "Asus TF103C board-revision: %d\n", dock->board_rev);
+
+ tf103c_dock_start_hpd(dock);
+
+ device_init_wakeup(dev, true);
+ i2c_set_clientdata(client, dock);
+ return 0;
+}
+
+static int tf103c_dock_remove(struct i2c_client *client)
+{
+ struct tf103c_dock_data *dock = i2c_get_clientdata(client);
+
+ tf103c_dock_stop_hpd(dock);
+ tf103c_dock_disable(dock);
+
+ return 0;
+}
+
+static int __maybe_unused tf103c_dock_suspend(struct device *dev)
+{
+ struct tf103c_dock_data *dock = dev_get_drvdata(dev);
+
+ tf103c_dock_stop_hpd(dock);
+
+ if (dock->enabled) {
+ tf103c_dock_ec_cmd(dock, tf103c_dock_suspend_cmd);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(dock->irq);
+ }
+
+ return 0;
+}
+
+static int __maybe_unused tf103c_dock_resume(struct device *dev)
+{
+ struct tf103c_dock_data *dock = dev_get_drvdata(dev);
+
+ if (dock->enabled) {
+ if (device_may_wakeup(dev))
+ disable_irq_wake(dock->irq);
+
+ /* Don't try to resume if the dock was unplugged during suspend */
+ if (gpiod_get_value(dock->hpd_gpio))
+ tf103c_dock_ec_cmd(dock, tf103c_dock_enable_cmd);
+ }
+
+ tf103c_dock_start_hpd(dock);
+ return 0;
+}
+
+SIMPLE_DEV_PM_OPS(tf103c_dock_pm_ops, tf103c_dock_suspend, tf103c_dock_resume);
+
+static const struct acpi_device_id tf103c_dock_acpi_match[] = {
+ {"NPCE69A"},
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, tf103c_dock_acpi_match);
+
+static struct i2c_driver tf103c_dock_driver = {
+ .driver = {
+ .name = "asus-tf103c-dock",
+ .pm = &tf103c_dock_pm_ops,
+ .acpi_match_table = tf103c_dock_acpi_match,
+ },
+ .probe_new = tf103c_dock_probe,
+ .remove = tf103c_dock_remove,
+};
+module_i2c_driver(tf103c_dock_driver);
+
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com");
+MODULE_DESCRIPTION("X86 Android tablets DSDT fixups driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 8f067ac4e952..a3b83b22a3b1 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -13,29 +13,29 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/backlight.h>
+#include <linux/debugfs.h>
+#include <linux/dmi.h>
+#include <linux/fb.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/slab.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
-#include <linux/fb.h>
-#include <linux/backlight.h>
+#include <linux/kernel.h>
#include <linux/leds.h>
-#include <linux/rfkill.h>
+#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
+#include <linux/platform_data/x86/asus-wmi.h>
+#include <linux/platform_device.h>
#include <linux/platform_profile.h>
#include <linux/power_supply.h>
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-#include <linux/debugfs.h>
+#include <linux/rfkill.h>
#include <linux/seq_file.h>
-#include <linux/platform_data/x86/asus-wmi.h>
-#include <linux/platform_device.h>
-#include <linux/acpi.h>
-#include <linux/dmi.h>
+#include <linux/slab.h>
+#include <linux/types.h>
#include <linux/units.h>
#include <acpi/battery.h>
@@ -43,8 +43,8 @@
#include "asus-wmi.h"
-MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, "
- "Yong Wang <yong.y.wang@intel.com>");
+MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
+MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
MODULE_DESCRIPTION("Asus Generic WMI Driver");
MODULE_LICENSE("GPL");
@@ -106,8 +106,17 @@ module_param(fnlock_default, bool, 0444);
#define WMI_EVENT_MASK 0xFFFF
+#define FAN_CURVE_POINTS 8
+#define FAN_CURVE_BUF_LEN (FAN_CURVE_POINTS * 2)
+#define FAN_CURVE_DEV_CPU 0x00
+#define FAN_CURVE_DEV_GPU 0x01
+/* Mask to determine if setting temperature or percentage */
+#define FAN_CURVE_PWM_MASK 0x04
+
static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
+static int throttle_thermal_policy_write(struct asus_wmi *);
+
static bool ashs_present(void)
{
int i = 0;
@@ -122,7 +131,8 @@ struct bios_args {
u32 arg0;
u32 arg1;
u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
- u32 arg4;
+ u32 arg3;
+ u32 arg4; /* Some ROG laptops require a full 5 input args */
u32 arg5;
} __packed;
@@ -173,6 +183,13 @@ enum fan_type {
FAN_TYPE_SPEC83, /* starting in Spec 8.3, use CPU_FAN_CTRL */
};
+struct fan_curve_data {
+ bool enabled;
+ u32 device_id;
+ u8 temps[FAN_CURVE_POINTS];
+ u8 percents[FAN_CURVE_POINTS];
+};
+
struct asus_wmi {
int dsts_id;
int spec;
@@ -220,6 +237,10 @@ struct asus_wmi {
bool throttle_thermal_policy_available;
u8 throttle_thermal_policy_mode;
+ bool cpu_fan_curve_available;
+ bool gpu_fan_curve_available;
+ struct fan_curve_data custom_fan_curves[2];
+
struct platform_profile_handler platform_profile_handler;
bool platform_profile_support;
@@ -285,6 +306,103 @@ int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
}
EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
+static int asus_wmi_evaluate_method5(u32 method_id,
+ u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval)
+{
+ struct bios_args args = {
+ .arg0 = arg0,
+ .arg1 = arg1,
+ .arg2 = arg2,
+ .arg3 = arg3,
+ .arg4 = arg4,
+ };
+ struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ acpi_status status;
+ union acpi_object *obj;
+ u32 tmp = 0;
+
+ status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
+ &input, &output);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ obj = (union acpi_object *)output.pointer;
+ if (obj && obj->type == ACPI_TYPE_INTEGER)
+ tmp = (u32) obj->integer.value;
+
+ if (retval)
+ *retval = tmp;
+
+ kfree(obj);
+
+ if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
+ return -ENODEV;
+
+ return 0;
+}
+
+/*
+ * Returns as an error if the method output is not a buffer. Typically this
+ * means that the method called is unsupported.
+ */
+static int asus_wmi_evaluate_method_buf(u32 method_id,
+ u32 arg0, u32 arg1, u8 *ret_buffer, size_t size)
+{
+ struct bios_args args = {
+ .arg0 = arg0,
+ .arg1 = arg1,
+ .arg2 = 0,
+ };
+ struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ acpi_status status;
+ union acpi_object *obj;
+ int err = 0;
+
+ status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
+ &input, &output);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ obj = (union acpi_object *)output.pointer;
+
+ switch (obj->type) {
+ case ACPI_TYPE_BUFFER:
+ if (obj->buffer.length > size)
+ err = -ENOSPC;
+ if (obj->buffer.length == 0)
+ err = -ENODATA;
+
+ memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length);
+ break;
+ case ACPI_TYPE_INTEGER:
+ err = (u32)obj->integer.value;
+
+ if (err == ASUS_WMI_UNSUPPORTED_METHOD)
+ err = -ENODEV;
+ /*
+ * At least one method returns a 0 with no buffer if no arg
+ * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE
+ */
+ if (err == 0)
+ err = -ENODATA;
+ break;
+ default:
+ err = -ENODATA;
+ break;
+ }
+
+ kfree(obj);
+
+ if (err)
+ return err;
+
+ return 0;
+}
+
static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
{
struct acpi_buffer input;
@@ -1036,12 +1154,10 @@ static void asus_rfkill_hotplug(struct asus_wmi *asus)
absent = (l == 0xffffffff);
if (blocked != absent) {
- pr_warn("BIOS says wireless lan is %s, "
- "but the pci device is %s\n",
+ pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n",
blocked ? "blocked" : "unblocked",
absent ? "absent" : "present");
- pr_warn("skipped wireless hotplug as probably "
- "inappropriate for this model\n");
+ pr_warn("skipped wireless hotplug as probably inappropriate for this model\n");
goto out_unlock;
}
@@ -1806,6 +1922,13 @@ static ssize_t pwm1_enable_store(struct device *dev,
}
asus->fan_pwm_mode = state;
+
+ /* Must set to disabled if mode is toggled */
+ if (asus->cpu_fan_curve_available)
+ asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
+ if (asus->gpu_fan_curve_available)
+ asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
+
return count;
}
@@ -1953,9 +2076,9 @@ static int fan_boost_mode_check_present(struct asus_wmi *asus)
static int fan_boost_mode_write(struct asus_wmi *asus)
{
- int err;
- u8 value;
u32 retval;
+ u8 value;
+ int err;
value = asus->fan_boost_mode;
@@ -2013,10 +2136,10 @@ static ssize_t fan_boost_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- int result;
- u8 new_mode;
struct asus_wmi *asus = dev_get_drvdata(dev);
u8 mask = asus->fan_boost_mode_mask;
+ u8 new_mode;
+ int result;
result = kstrtou8(buf, 10, &new_mode);
if (result < 0) {
@@ -2043,6 +2166,426 @@ static ssize_t fan_boost_mode_store(struct device *dev,
// Fan boost mode: 0 - normal, 1 - overboost, 2 - silent
static DEVICE_ATTR_RW(fan_boost_mode);
+/* Custom fan curves **********************************************************/
+
+static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf)
+{
+ int i;
+
+ for (i = 0; i < FAN_CURVE_POINTS; i++) {
+ data->temps[i] = buf[i];
+ }
+
+ for (i = 0; i < FAN_CURVE_POINTS; i++) {
+ data->percents[i] =
+ 255 * buf[i + FAN_CURVE_POINTS] / 100;
+ }
+}
+
+static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
+{
+ struct fan_curve_data *curves;
+ u8 buf[FAN_CURVE_BUF_LEN];
+ int fan_idx = 0;
+ u8 mode = 0;
+ int err;
+
+ if (asus->throttle_thermal_policy_available)
+ mode = asus->throttle_thermal_policy_mode;
+ /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */
+ if (mode == 2)
+ mode = 1;
+ else if (mode == 1)
+ mode = 2;
+
+ if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
+ fan_idx = FAN_CURVE_DEV_GPU;
+
+ curves = &asus->custom_fan_curves[fan_idx];
+ err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
+ FAN_CURVE_BUF_LEN);
+ if (err)
+ return err;
+
+ fan_curve_copy_from_buf(curves, buf);
+ curves->device_id = fan_dev;
+
+ return 0;
+}
+
+/* Check if capability exists, and populate defaults */
+static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
+ u32 fan_dev)
+{
+ int err;
+
+ *available = false;
+
+ err = fan_curve_get_factory_default(asus, fan_dev);
+ if (err) {
+ if (err == -ENODEV)
+ return 0;
+ return err;
+ }
+
+ *available = true;
+ return 0;
+}
+
+/* Determine which fan the attribute is for if SENSOR_ATTR */
+static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus,
+ struct device_attribute *attr)
+{
+ int index = to_sensor_dev_attr(attr)->index;
+
+ return &asus->custom_fan_curves[index & FAN_CURVE_DEV_GPU];
+}
+
+/* Determine which fan the attribute is for if SENSOR_ATTR_2 */
+static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus,
+ struct device_attribute *attr)
+{
+ int nr = to_sensor_dev_attr_2(attr)->nr;
+
+ return &asus->custom_fan_curves[nr & FAN_CURVE_DEV_GPU];
+}
+
+static ssize_t fan_curve_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ struct fan_curve_data *data;
+ int value, index, nr;
+
+ data = fan_curve_attr_2_select(asus, attr);
+ index = dev_attr->index;
+ nr = dev_attr->nr;
+
+ if (nr & FAN_CURVE_PWM_MASK)
+ value = data->percents[index];
+ else
+ value = data->temps[index];
+
+ return sysfs_emit(buf, "%d\n", value);
+}
+
+/*
+ * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE.
+ */
+static int fan_curve_write(struct asus_wmi *asus,
+ struct fan_curve_data *data)
+{
+ u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0;
+ u8 *percents = data->percents;
+ u8 *temps = data->temps;
+ int ret, i, shift = 0;
+
+ if (!data->enabled)
+ return 0;
+
+ for (i = 0; i < FAN_CURVE_POINTS / 2; i++) {
+ arg1 += (temps[i]) << shift;
+ arg2 += (temps[i + 4]) << shift;
+ /* Scale to percentage for device */
+ arg3 += (100 * percents[i] / 255) << shift;
+ arg4 += (100 * percents[i + 4] / 255) << shift;
+ shift += 8;
+ }
+
+ return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS,
+ data->device_id,
+ arg1, arg2, arg3, arg4, &ret);
+}
+
+static ssize_t fan_curve_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ struct fan_curve_data *data;
+ u8 value;
+ int err;
+
+ int pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
+ int index = dev_attr->index;
+
+ data = fan_curve_attr_2_select(asus, attr);
+
+ err = kstrtou8(buf, 10, &value);
+ if (err < 0)
+ return err;
+
+ if (pwm) {
+ data->percents[index] = value;
+ } else {
+ data->temps[index] = value;
+ }
+
+ /*
+ * Mark as disabled so the user has to explicitly enable to apply a
+ * changed fan curve. This prevents potential lockups from writing out
+ * many changes as one-write-per-change.
+ */
+ data->enabled = false;
+
+ return count;
+}
+
+static ssize_t fan_curve_enable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ struct fan_curve_data *data;
+ int out = 2;
+
+ data = fan_curve_attr_select(asus, attr);
+
+ if (data->enabled)
+ out = 1;
+
+ return sysfs_emit(buf, "%d\n", out);
+}
+
+static ssize_t fan_curve_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ struct fan_curve_data *data;
+ int value, err;
+
+ data = fan_curve_attr_select(asus, attr);
+
+ err = kstrtoint(buf, 10, &value);
+ if (err < 0)
+ return err;
+
+ switch (value) {
+ case 1:
+ data->enabled = true;
+ break;
+ case 2:
+ data->enabled = false;
+ break;
+ /*
+ * Auto + reset the fan curve data to defaults. Make it an explicit
+ * option so that users don't accidentally overwrite a set fan curve.
+ */
+ case 3:
+ err = fan_curve_get_factory_default(asus, data->device_id);
+ if (err)
+ return err;
+ data->enabled = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (data->enabled) {
+ err = fan_curve_write(asus, data);
+ if (err)
+ return err;
+ } else {
+ /*
+ * For machines with throttle this is the only way to reset fans
+ * to default mode of operation (does not erase curve data).
+ */
+ if (asus->throttle_thermal_policy_available) {
+ err = throttle_thermal_policy_write(asus);
+ if (err)
+ return err;
+ /* Similar is true for laptops with this fan */
+ } else if (asus->fan_type == FAN_TYPE_SPEC83) {
+ err = asus_fan_set_auto(asus);
+ if (err)
+ return err;
+ } else {
+ /* Safeguard against fautly ACPI tables */
+ err = fan_curve_get_factory_default(asus, data->device_id);
+ if (err)
+ return err;
+ err = fan_curve_write(asus, data);
+ if (err)
+ return err;
+ }
+ }
+ return count;
+}
+
+/* CPU */
+static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 0);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 1);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 2);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 3);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 4);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 5);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 6);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve,
+ FAN_CURVE_DEV_CPU, 7);
+
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6);
+static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve,
+ FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7);
+
+/* GPU */
+static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 0);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 1);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 2);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 3);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 4);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 5);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 6);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve,
+ FAN_CURVE_DEV_GPU, 7);
+
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
+static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
+ FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
+
+static struct attribute *asus_fan_curve_attr[] = {
+ /* CPU */
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
+ /* GPU */
+ &sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
+ NULL
+};
+
+static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
+ struct attribute *attr, int idx)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct asus_wmi *asus = dev_get_drvdata(dev->parent);
+
+ /*
+ * Check the char instead of casting attr as there are two attr types
+ * involved here (attr1 and attr2)
+ */
+ if (asus->cpu_fan_curve_available && attr->name[3] == '1')
+ return 0644;
+
+ if (asus->gpu_fan_curve_available && attr->name[3] == '2')
+ return 0644;
+
+ return 0;
+}
+
+static const struct attribute_group asus_fan_curve_attr_group = {
+ .is_visible = asus_fan_curve_is_visible,
+ .attrs = asus_fan_curve_attr,
+};
+__ATTRIBUTE_GROUPS(asus_fan_curve_attr);
+
+/*
+ * Must be initialised after throttle_thermal_policy_check_present() as
+ * we check the status of throttle_thermal_policy_available during init.
+ */
+static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
+{
+ struct device *dev = &asus->platform_device->dev;
+ struct device *hwmon;
+ int err;
+
+ err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
+ ASUS_WMI_DEVID_CPU_FAN_CURVE);
+ if (err)
+ return err;
+
+ err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
+ ASUS_WMI_DEVID_GPU_FAN_CURVE);
+ if (err)
+ return err;
+
+ if (!asus->cpu_fan_curve_available && !asus->gpu_fan_curve_available)
+ return 0;
+
+ hwmon = devm_hwmon_device_register_with_groups(
+ dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups);
+
+ if (IS_ERR(hwmon)) {
+ dev_err(dev,
+ "Could not register asus_custom_fan_curve device\n");
+ return PTR_ERR(hwmon);
+ }
+
+ return 0;
+}
+
/* Throttle thermal policy ****************************************************/
static int throttle_thermal_policy_check_present(struct asus_wmi *asus)
@@ -2092,6 +2635,12 @@ static int throttle_thermal_policy_write(struct asus_wmi *asus)
return -EIO;
}
+ /* Must set to disabled if mode is toggled */
+ if (asus->cpu_fan_curve_available)
+ asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
+ if (asus->gpu_fan_curve_available)
+ asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
+
return 0;
}
@@ -3035,6 +3584,10 @@ static int asus_wmi_add(struct platform_device *pdev)
if (err)
goto fail_hwmon;
+ err = asus_wmi_custom_fan_curve_init(asus);
+ if (err)
+ goto fail_custom_fan_curve;
+
err = asus_wmi_led_init(asus);
if (err)
goto fail_leds;
@@ -3106,6 +3659,7 @@ fail_input:
asus_wmi_sysfs_exit(asus->platform_device);
fail_sysfs:
fail_throttle_thermal_policy:
+fail_custom_fan_curve:
fail_platform_profile_setup:
if (asus->platform_profile_support)
platform_profile_remove();
@@ -3131,6 +3685,7 @@ static int asus_wmi_remove(struct platform_device *device)
asus_wmi_debugfs_exit(asus);
asus_wmi_sysfs_exit(asus->platform_device);
asus_fan_set_auto(asus);
+ throttle_thermal_policy_set_default(asus);
asus_wmi_battery_exit(asus);
if (asus->platform_profile_support)
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 435a91fe2568..e9f852f7c27f 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -355,39 +355,20 @@ static int lis3lv02d_remove(struct platform_device *device)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int lis3lv02d_suspend(struct device *dev)
+static int __maybe_unused lis3lv02d_suspend(struct device *dev)
{
/* make sure the device is off when we suspend */
lis3lv02d_poweroff(&lis3_dev);
return 0;
}
-static int lis3lv02d_resume(struct device *dev)
+static int __maybe_unused lis3lv02d_resume(struct device *dev)
{
lis3lv02d_poweron(&lis3_dev);
return 0;
}
-static int lis3lv02d_restore(struct device *dev)
-{
- lis3lv02d_poweron(&lis3_dev);
- return 0;
-}
-
-static const struct dev_pm_ops hp_accel_pm = {
- .suspend = lis3lv02d_suspend,
- .resume = lis3lv02d_resume,
- .freeze = lis3lv02d_suspend,
- .thaw = lis3lv02d_resume,
- .poweroff = lis3lv02d_suspend,
- .restore = lis3lv02d_restore,
-};
-
-#define HP_ACCEL_PM (&hp_accel_pm)
-#else
-#define HP_ACCEL_PM NULL
-#endif
+static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
/* For the HP MDPS aka 3D Driveguard */
static struct platform_driver lis3lv02d_driver = {
@@ -395,7 +376,7 @@ static struct platform_driver lis3lv02d_driver = {
.remove = lis3lv02d_remove,
.driver = {
.name = "hp_accel",
- .pm = HP_ACCEL_PM,
+ .pm = &hp_accel_pm,
.acpi_match_table = lis3lv02d_device_ids,
},
};
diff --git a/drivers/platform/x86/intel/Makefile b/drivers/platform/x86/intel/Makefile
index 7c24be2423d8..174a80a6c87c 100644
--- a/drivers/platform/x86/intel/Makefile
+++ b/drivers/platform/x86/intel/Makefile
@@ -30,6 +30,8 @@ obj-$(CONFIG_INTEL_OAKTRAIL) += intel_oaktrail.o
# Intel PMIC / PMC / P-Unit drivers
intel_bxtwc_tmu-y := bxtwc_tmu.o
obj-$(CONFIG_INTEL_BXTWC_PMIC_TMU) += intel_bxtwc_tmu.o
+intel_crystal_cove_charger-y := crystal_cove_charger.o
+obj-$(CONFIG_X86_ANDROID_TABLETS) += intel_crystal_cove_charger.o
intel_chtdc_ti_pwrbtn-y := chtdc_ti_pwrbtn.o
obj-$(CONFIG_INTEL_CHTDC_TI_PWRBTN) += intel_chtdc_ti_pwrbtn.o
intel_mrfld_pwrbtn-y := mrfld_pwrbtn.o
diff --git a/drivers/platform/x86/intel/crystal_cove_charger.c b/drivers/platform/x86/intel/crystal_cove_charger.c
new file mode 100644
index 000000000000..0374bc742513
--- /dev/null
+++ b/drivers/platform/x86/intel/crystal_cove_charger.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Driver for the external-charger IRQ pass-through function of the
+ * Intel Bay Trail Crystal Cove PMIC.
+ *
+ * Note this is NOT a power_supply class driver, it just deals with IRQ
+ * pass-through, this requires a separate driver because the PMIC's
+ * level 2 interrupt for this must be explicitly acked.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/mfd/intel_soc_pmic.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#define CHGRIRQ_REG 0x0a
+
+struct crystal_cove_charger_data {
+ struct mutex buslock; /* irq_bus_lock */
+ struct irq_chip irqchip;
+ struct regmap *regmap;
+ struct irq_domain *irq_domain;
+ int irq;
+ int charger_irq;
+ bool irq_enabled;
+ bool irq_is_enabled;
+};
+
+static irqreturn_t crystal_cove_charger_irq(int irq, void *data)
+{
+ struct crystal_cove_charger_data *charger = data;
+
+ /* No need to read CHGRIRQ_REG as there is only 1 IRQ */
+ handle_nested_irq(charger->charger_irq);
+
+ /* Ack CHGRIRQ 0 */
+ regmap_write(charger->regmap, CHGRIRQ_REG, BIT(0));
+
+ return IRQ_HANDLED;
+}
+
+static void crystal_cove_charger_irq_bus_lock(struct irq_data *data)
+{
+ struct crystal_cove_charger_data *charger = irq_data_get_irq_chip_data(data);
+
+ mutex_lock(&charger->buslock);
+}
+
+static void crystal_cove_charger_irq_bus_sync_unlock(struct irq_data *data)
+{
+ struct crystal_cove_charger_data *charger = irq_data_get_irq_chip_data(data);
+
+ if (charger->irq_is_enabled != charger->irq_enabled) {
+ if (charger->irq_enabled)
+ enable_irq(charger->irq);
+ else
+ disable_irq(charger->irq);
+
+ charger->irq_is_enabled = charger->irq_enabled;
+ }
+
+ mutex_unlock(&charger->buslock);
+}
+
+static void crystal_cove_charger_irq_unmask(struct irq_data *data)
+{
+ struct crystal_cove_charger_data *charger = irq_data_get_irq_chip_data(data);
+
+ charger->irq_enabled = true;
+}
+
+static void crystal_cove_charger_irq_mask(struct irq_data *data)
+{
+ struct crystal_cove_charger_data *charger = irq_data_get_irq_chip_data(data);
+
+ charger->irq_enabled = false;
+}
+
+static void crystal_cove_charger_rm_irq_domain(void *data)
+{
+ struct crystal_cove_charger_data *charger = data;
+
+ irq_domain_remove(charger->irq_domain);
+}
+
+static int crystal_cove_charger_probe(struct platform_device *pdev)
+{
+ struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
+ struct crystal_cove_charger_data *charger;
+ int ret;
+
+ charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);
+ if (!charger)
+ return -ENOMEM;
+
+ charger->regmap = pmic->regmap;
+ mutex_init(&charger->buslock);
+
+ charger->irq = platform_get_irq(pdev, 0);
+ if (charger->irq < 0)
+ return charger->irq;
+
+ charger->irq_domain = irq_domain_create_linear(dev_fwnode(pdev->dev.parent), 1,
+ &irq_domain_simple_ops, NULL);
+ if (!charger->irq_domain)
+ return -ENOMEM;
+
+ /* Distuingish IRQ domain from others sharing (MFD) the same fwnode */
+ irq_domain_update_bus_token(charger->irq_domain, DOMAIN_BUS_WAKEUP);
+
+ ret = devm_add_action_or_reset(&pdev->dev, crystal_cove_charger_rm_irq_domain, charger);
+ if (ret)
+ return ret;
+
+ charger->charger_irq = irq_create_mapping(charger->irq_domain, 0);
+ if (!charger->charger_irq)
+ return -ENOMEM;
+
+ charger->irqchip.name = KBUILD_MODNAME;
+ charger->irqchip.irq_unmask = crystal_cove_charger_irq_unmask;
+ charger->irqchip.irq_mask = crystal_cove_charger_irq_mask;
+ charger->irqchip.irq_bus_lock = crystal_cove_charger_irq_bus_lock;
+ charger->irqchip.irq_bus_sync_unlock = crystal_cove_charger_irq_bus_sync_unlock;
+
+ irq_set_chip_data(charger->charger_irq, charger);
+ irq_set_chip_and_handler(charger->charger_irq, &charger->irqchip, handle_simple_irq);
+ irq_set_nested_thread(charger->charger_irq, true);
+ irq_set_noprobe(charger->charger_irq);
+
+ ret = devm_request_threaded_irq(&pdev->dev, charger->irq, NULL,
+ crystal_cove_charger_irq,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
+ KBUILD_MODNAME, charger);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "requesting irq\n");
+
+ return 0;
+}
+
+static struct platform_driver crystal_cove_charger_driver = {
+ .probe = crystal_cove_charger_probe,
+ .driver = {
+ .name = "crystal_cove_charger",
+ },
+};
+module_platform_driver(crystal_cove_charger_driver);
+
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com");
+MODULE_DESCRIPTION("Intel Bay Trail Crystal Cove external charger IRQ pass-through");
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/intel/int3472/tps68470_board_data.c b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
index faa5570f6e6b..f93d437fd192 100644
--- a/drivers/platform/x86/intel/int3472/tps68470_board_data.c
+++ b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
@@ -110,6 +110,12 @@ static const struct int3472_tps68470_board_data surface_go_tps68470_board_data =
.tps68470_regulator_pdata = &surface_go_tps68470_pdata,
};
+static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
+ .dev_name = "i2c-INT3472:01",
+ .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios,
+ .tps68470_regulator_pdata = &surface_go_tps68470_pdata,
+};
+
static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
{
.matches = {
@@ -125,6 +131,13 @@ static const struct dmi_system_id int3472_tps68470_board_data_table[] = {
},
.driver_data = (void *)&surface_go_tps68470_board_data,
},
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
+ },
+ .driver_data = (void *)&surface_go3_tps68470_board_data,
+ },
{ }
};
diff --git a/drivers/platform/x86/intel/uncore-frequency.c b/drivers/platform/x86/intel/uncore-frequency.c
index 3ee4c5c8a64f..4cd8254f2e40 100644
--- a/drivers/platform/x86/intel/uncore-frequency.c
+++ b/drivers/platform/x86/intel/uncore-frequency.c
@@ -225,6 +225,7 @@ static struct attribute *uncore_attrs[] = {
&min_freq_khz.attr,
NULL
};
+ATTRIBUTE_GROUPS(uncore);
static void uncore_sysfs_entry_release(struct kobject *kobj)
{
@@ -236,7 +237,7 @@ static void uncore_sysfs_entry_release(struct kobject *kobj)
static struct kobj_type uncore_ktype = {
.release = uncore_sysfs_entry_release,
.sysfs_ops = &kobj_sysfs_ops,
- .default_attrs = uncore_attrs,
+ .default_groups = uncore_groups,
};
/* Caller provides protection */
diff --git a/drivers/platform/x86/lenovo-yogabook-wmi.c b/drivers/platform/x86/lenovo-yogabook-wmi.c
new file mode 100644
index 000000000000..5f4bd1eec38a
--- /dev/null
+++ b/drivers/platform/x86/lenovo-yogabook-wmi.c
@@ -0,0 +1,408 @@
+// SPDX-License-Identifier: GPL-2.0
+/* WMI driver for Lenovo Yoga Book YB1-X90* / -X91* tablets */
+
+#include <linux/acpi.h>
+#include <linux/devm-helpers.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/machine.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/leds.h>
+#include <linux/wmi.h>
+#include <linux/workqueue.h>
+
+#define YB_MBTN_EVENT_GUID "243FEC1D-1963-41C1-8100-06A9D82A94B4"
+#define YB_MBTN_METHOD_GUID "742B0CA1-0B20-404B-9CAA-AEFCABF30CE0"
+
+#define YB_PAD_ENABLE 1
+#define YB_PAD_DISABLE 2
+#define YB_LIGHTUP_BTN 3
+
+#define YB_KBD_BL_DEFAULT 128
+
+/* flags */
+enum {
+ YB_KBD_IS_ON,
+ YB_DIGITIZER_IS_ON,
+ YB_DIGITIZER_MODE,
+ YB_TABLET_MODE,
+ YB_SUSPENDED,
+};
+
+struct yogabook_wmi {
+ struct wmi_device *wdev;
+ struct acpi_device *kbd_adev;
+ struct acpi_device *dig_adev;
+ struct device *kbd_dev;
+ struct device *dig_dev;
+ struct gpio_desc *backside_hall_gpio;
+ int backside_hall_irq;
+ struct work_struct work;
+ struct led_classdev kbd_bl_led;
+ unsigned long flags;
+ uint8_t brightness;
+};
+
+static int yogabook_wmi_do_action(struct wmi_device *wdev, int action)
+{
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer input;
+ acpi_status status;
+ u32 dummy_arg = 0;
+
+ dev_dbg(&wdev->dev, "Do action: %d\n", action);
+
+ input.pointer = &dummy_arg;
+ input.length = sizeof(dummy_arg);
+
+ status = wmi_evaluate_method(YB_MBTN_METHOD_GUID, 0, action, &input,
+ &output);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&wdev->dev, "Calling WMI method failure: 0x%x\n",
+ status);
+ return status;
+ }
+
+ kfree(output.pointer);
+
+ return 0;
+}
+
+/*
+ * To control keyboard backlight, call the method KBLC() of the TCS1 ACPI
+ * device (Goodix touchpad acts as virtual sensor keyboard).
+ */
+static int yogabook_wmi_set_kbd_backlight(struct wmi_device *wdev,
+ uint8_t level)
+{
+ struct yogabook_wmi *data = dev_get_drvdata(&wdev->dev);
+ struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_object_list input;
+ union acpi_object param;
+ acpi_status status;
+
+ if (data->kbd_adev->power.state != ACPI_STATE_D0) {
+ dev_warn(&wdev->dev, "keyboard touchscreen not in D0, cannot set brightness\n");
+ return -ENXIO;
+ }
+
+ dev_dbg(&wdev->dev, "Set KBLC level to %u\n", level);
+
+ input.count = 1;
+ input.pointer = &param;
+
+ param.type = ACPI_TYPE_INTEGER;
+ param.integer.value = 255 - level;
+
+ status = acpi_evaluate_object(acpi_device_handle(data->kbd_adev), "KBLC",
+ &input, &output);
+ if (ACPI_FAILURE(status)) {
+ dev_err(&wdev->dev, "Failed to call KBLC method: 0x%x\n", status);
+ return status;
+ }
+
+ kfree(output.pointer);
+ return 0;
+}
+
+static void yogabook_wmi_work(struct work_struct *work)
+{
+ struct yogabook_wmi *data = container_of(work, struct yogabook_wmi, work);
+ struct device *dev = &data->wdev->dev;
+ bool kbd_on, digitizer_on;
+ int r;
+
+ if (test_bit(YB_SUSPENDED, &data->flags))
+ return;
+
+ if (test_bit(YB_TABLET_MODE, &data->flags)) {
+ kbd_on = false;
+ digitizer_on = false;
+ } else if (test_bit(YB_DIGITIZER_MODE, &data->flags)) {
+ digitizer_on = true;
+ kbd_on = false;
+ } else {
+ kbd_on = true;
+ digitizer_on = false;
+ }
+
+ if (!kbd_on && test_bit(YB_KBD_IS_ON, &data->flags)) {
+ /*
+ * Must be done before releasing the keyboard touchscreen driver,
+ * so that the keyboard touchscreen dev is still in D0.
+ */
+ yogabook_wmi_set_kbd_backlight(data->wdev, 0);
+ device_release_driver(data->kbd_dev);
+ clear_bit(YB_KBD_IS_ON, &data->flags);
+ }
+
+ if (!digitizer_on && test_bit(YB_DIGITIZER_IS_ON, &data->flags)) {
+ yogabook_wmi_do_action(data->wdev, YB_PAD_DISABLE);
+ device_release_driver(data->dig_dev);
+ clear_bit(YB_DIGITIZER_IS_ON, &data->flags);
+ }
+
+ if (kbd_on && !test_bit(YB_KBD_IS_ON, &data->flags)) {
+ r = device_reprobe(data->kbd_dev);
+ if (r)
+ dev_warn(dev, "Reprobe of keyboard touchscreen failed: %d\n", r);
+
+ yogabook_wmi_set_kbd_backlight(data->wdev, data->brightness);
+ set_bit(YB_KBD_IS_ON, &data->flags);
+ }
+
+ if (digitizer_on && !test_bit(YB_DIGITIZER_IS_ON, &data->flags)) {
+ r = device_reprobe(data->dig_dev);
+ if (r)
+ dev_warn(dev, "Reprobe of digitizer failed: %d\n", r);
+
+ yogabook_wmi_do_action(data->wdev, YB_PAD_ENABLE);
+ set_bit(YB_DIGITIZER_IS_ON, &data->flags);
+ }
+}
+
+static void yogabook_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
+{
+ struct yogabook_wmi *data = dev_get_drvdata(&wdev->dev);
+
+ if (test_bit(YB_SUSPENDED, &data->flags))
+ return;
+
+ if (test_bit(YB_DIGITIZER_MODE, &data->flags))
+ clear_bit(YB_DIGITIZER_MODE, &data->flags);
+ else
+ set_bit(YB_DIGITIZER_MODE, &data->flags);
+
+ /*
+ * We are called from the ACPI core and the driver [un]binding which is
+ * done also needs ACPI functions, use a workqueue to avoid deadlocking.
+ */
+ schedule_work(&data->work);
+}
+
+static irqreturn_t yogabook_backside_hall_irq(int irq, void *_data)
+{
+ struct yogabook_wmi *data = _data;
+
+ if (gpiod_get_value(data->backside_hall_gpio))
+ set_bit(YB_TABLET_MODE, &data->flags);
+ else
+ clear_bit(YB_TABLET_MODE, &data->flags);
+
+ schedule_work(&data->work);
+
+ return IRQ_HANDLED;
+}
+
+static enum led_brightness kbd_brightness_get(struct led_classdev *cdev)
+{
+ struct yogabook_wmi *data =
+ container_of(cdev, struct yogabook_wmi, kbd_bl_led);
+
+ return data->brightness;
+}
+
+static int kbd_brightness_set(struct led_classdev *cdev,
+ enum led_brightness value)
+{
+ struct yogabook_wmi *data =
+ container_of(cdev, struct yogabook_wmi, kbd_bl_led);
+ struct wmi_device *wdev = data->wdev;
+
+ if ((value < 0) || (value > 255))
+ return -EINVAL;
+
+ data->brightness = value;
+
+ if (data->kbd_adev->power.state != ACPI_STATE_D0)
+ return 0;
+
+ return yogabook_wmi_set_kbd_backlight(wdev, data->brightness);
+}
+
+static struct gpiod_lookup_table yogabook_wmi_gpios = {
+ .dev_id = "243FEC1D-1963-41C1-8100-06A9D82A94B4",
+ .table = {
+ GPIO_LOOKUP("INT33FF:02", 18, "backside_hall_sw", GPIO_ACTIVE_LOW),
+ {}
+ },
+};
+
+static void yogabook_wmi_rm_gpio_lookup(void *unused)
+{
+ gpiod_remove_lookup_table(&yogabook_wmi_gpios);
+}
+
+static int yogabook_wmi_probe(struct wmi_device *wdev, const void *context)
+{
+ struct yogabook_wmi *data;
+ int r;
+
+ data = devm_kzalloc(&wdev->dev, sizeof(struct yogabook_wmi), GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+
+ dev_set_drvdata(&wdev->dev, data);
+
+ data->wdev = wdev;
+ data->brightness = YB_KBD_BL_DEFAULT;
+ set_bit(YB_KBD_IS_ON, &data->flags);
+ set_bit(YB_DIGITIZER_IS_ON, &data->flags);
+
+ r = devm_work_autocancel(&wdev->dev, &data->work, yogabook_wmi_work);
+ if (r)
+ return r;
+
+ data->kbd_adev = acpi_dev_get_first_match_dev("GDIX1001", NULL, -1);
+ if (!data->kbd_adev) {
+ dev_err(&wdev->dev, "Cannot find the touchpad device in ACPI tables\n");
+ return -ENODEV;
+ }
+
+ data->dig_adev = acpi_dev_get_first_match_dev("WCOM0019", NULL, -1);
+ if (!data->dig_adev) {
+ dev_err(&wdev->dev, "Cannot find the digitizer device in ACPI tables\n");
+ r = -ENODEV;
+ goto error_put_devs;
+ }
+
+ data->kbd_dev = get_device(acpi_get_first_physical_node(data->kbd_adev));
+ if (!data->kbd_dev || !data->kbd_dev->driver) {
+ r = -EPROBE_DEFER;
+ goto error_put_devs;
+ }
+
+ data->dig_dev = get_device(acpi_get_first_physical_node(data->dig_adev));
+ if (!data->dig_dev || !data->dig_dev->driver) {
+ r = -EPROBE_DEFER;
+ goto error_put_devs;
+ }
+
+ gpiod_add_lookup_table(&yogabook_wmi_gpios);
+
+ r = devm_add_action_or_reset(&wdev->dev, yogabook_wmi_rm_gpio_lookup, NULL);
+ if (r)
+ goto error_put_devs;
+
+ data->backside_hall_gpio =
+ devm_gpiod_get(&wdev->dev, "backside_hall_sw", GPIOD_IN);
+ if (IS_ERR(data->backside_hall_gpio)) {
+ r = PTR_ERR(data->backside_hall_gpio);
+ dev_err_probe(&wdev->dev, r, "Getting backside_hall_sw GPIO\n");
+ goto error_put_devs;
+ }
+
+ r = gpiod_to_irq(data->backside_hall_gpio);
+ if (r < 0) {
+ dev_err_probe(&wdev->dev, r, "Getting backside_hall_sw IRQ\n");
+ goto error_put_devs;
+ }
+ data->backside_hall_irq = r;
+
+ r = devm_request_irq(&wdev->dev, data->backside_hall_irq,
+ yogabook_backside_hall_irq,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "backside_hall_sw", data);
+ if (r) {
+ dev_err_probe(&wdev->dev, r, "Requesting backside_hall_sw IRQ\n");
+ goto error_put_devs;
+ }
+
+ schedule_work(&data->work);
+
+ data->kbd_bl_led.name = "ybwmi::kbd_backlight";
+ data->kbd_bl_led.brightness_set_blocking = kbd_brightness_set;
+ data->kbd_bl_led.brightness_get = kbd_brightness_get;
+ data->kbd_bl_led.max_brightness = 255;
+
+ r = devm_led_classdev_register(&wdev->dev, &data->kbd_bl_led);
+ if (r < 0) {
+ dev_err_probe(&wdev->dev, r, "Registering backlight LED device\n");
+ goto error_put_devs;
+ }
+
+ return 0;
+
+error_put_devs:
+ put_device(data->dig_dev);
+ put_device(data->kbd_dev);
+ acpi_dev_put(data->dig_adev);
+ acpi_dev_put(data->kbd_adev);
+ return r;
+}
+
+static void yogabook_wmi_remove(struct wmi_device *wdev)
+{
+ struct yogabook_wmi *data = dev_get_drvdata(&wdev->dev);
+
+ put_device(data->dig_dev);
+ put_device(data->kbd_dev);
+ acpi_dev_put(data->dig_adev);
+ acpi_dev_put(data->kbd_adev);
+}
+
+static int __maybe_unused yogabook_wmi_suspend(struct device *dev)
+{
+ struct wmi_device *wdev = container_of(dev, struct wmi_device, dev);
+ struct yogabook_wmi *data = dev_get_drvdata(dev);
+
+ set_bit(YB_SUSPENDED, &data->flags);
+
+ flush_work(&data->work);
+
+ /* Turn off the pen button at sleep */
+ if (test_bit(YB_DIGITIZER_IS_ON, &data->flags))
+ yogabook_wmi_do_action(wdev, YB_PAD_DISABLE);
+
+ return 0;
+}
+
+static int __maybe_unused yogabook_wmi_resume(struct device *dev)
+{
+ struct wmi_device *wdev = container_of(dev, struct wmi_device, dev);
+ struct yogabook_wmi *data = dev_get_drvdata(dev);
+
+ if (test_bit(YB_KBD_IS_ON, &data->flags)) {
+ /* Ensure keyboard touchpad is on before we call KBLC() */
+ acpi_device_set_power(data->kbd_adev, ACPI_STATE_D0);
+ yogabook_wmi_set_kbd_backlight(wdev, data->brightness);
+ }
+
+ if (test_bit(YB_DIGITIZER_IS_ON, &data->flags))
+ yogabook_wmi_do_action(wdev, YB_PAD_ENABLE);
+
+ clear_bit(YB_SUSPENDED, &data->flags);
+
+ /* Check for YB_TABLET_MODE changes made during suspend */
+ schedule_work(&data->work);
+
+ return 0;
+}
+
+static const struct wmi_device_id yogabook_wmi_id_table[] = {
+ {
+ .guid_string = YB_MBTN_EVENT_GUID,
+ },
+ { } /* Terminating entry */
+};
+
+static SIMPLE_DEV_PM_OPS(yogabook_wmi_pm_ops,
+ yogabook_wmi_suspend, yogabook_wmi_resume);
+
+static struct wmi_driver yogabook_wmi_driver = {
+ .driver = {
+ .name = "yogabook-wmi",
+ .pm = &yogabook_wmi_pm_ops,
+ },
+ .no_notify_data = true,
+ .id_table = yogabook_wmi_id_table,
+ .probe = yogabook_wmi_probe,
+ .remove = yogabook_wmi_remove,
+ .notify = yogabook_wmi_notify,
+};
+module_wmi_driver(yogabook_wmi_driver);
+
+MODULE_DEVICE_TABLE(wmi, yogabook_wmi_id_table);
+MODULE_AUTHOR("Yauhen Kharuzhy");
+MODULE_DESCRIPTION("Lenovo Yoga Book WMI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
index a9d2a4b98e57..a40fae6edc84 100644
--- a/drivers/platform/x86/pmc_atom.c
+++ b/drivers/platform/x86/pmc_atom.c
@@ -13,6 +13,7 @@
#include <linux/io.h>
#include <linux/platform_data/x86/clk-pmc-atom.h>
#include <linux/platform_data/x86/pmc_atom.h>
+#include <linux/platform_data/x86/simatic-ipc.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/seq_file.h>
@@ -362,6 +363,30 @@ static void pmc_dbgfs_register(struct pmc_dev *pmc)
}
#endif /* CONFIG_DEBUG_FS */
+static bool pmc_clk_is_critical = true;
+
+static int dmi_callback(const struct dmi_system_id *d)
+{
+ pr_info("%s critclks quirk enabled\n", d->ident);
+
+ return 1;
+}
+
+static int dmi_callback_siemens(const struct dmi_system_id *d)
+{
+ u32 st_id;
+
+ if (dmi_walk(simatic_ipc_find_dmi_entry_helper, &st_id))
+ goto out;
+
+ if (st_id == SIMATIC_IPC_IPC227E || st_id == SIMATIC_IPC_IPC277E)
+ return dmi_callback(d);
+
+out:
+ pmc_clk_is_critical = false;
+ return 1;
+}
+
/*
* Some systems need one or more of their pmc_plt_clks to be
* marked as critical.
@@ -370,6 +395,7 @@ static const struct dmi_system_id critclk_systems[] = {
{
/* pmc_plt_clk0 is used for an external HSIC USB HUB */
.ident = "MPL CEC1x",
+ .callback = dmi_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MPL AG"),
DMI_MATCH(DMI_PRODUCT_NAME, "CEC10 Family"),
@@ -378,6 +404,7 @@ static const struct dmi_system_id critclk_systems[] = {
{
/* pmc_plt_clk0 - 3 are used for the 4 ethernet controllers */
.ident = "Lex 3I380D",
+ .callback = dmi_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"),
DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"),
@@ -386,6 +413,7 @@ static const struct dmi_system_id critclk_systems[] = {
{
/* pmc_plt_clk* - are used for ethernet controllers */
.ident = "Lex 2I385SW",
+ .callback = dmi_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"),
DMI_MATCH(DMI_PRODUCT_NAME, "2I385SW"),
@@ -394,30 +422,17 @@ static const struct dmi_system_id critclk_systems[] = {
{
/* pmc_plt_clk* - are used for ethernet controllers */
.ident = "Beckhoff Baytrail",
+ .callback = dmi_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"),
DMI_MATCH(DMI_PRODUCT_FAMILY, "CBxx63"),
},
},
{
- .ident = "SIMATIC IPC227E",
+ .ident = "SIEMENS AG",
+ .callback = dmi_callback_siemens,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"),
- },
- },
- {
- .ident = "SIMATIC IPC277E",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "6AV7882-0"),
- },
- },
- {
- .ident = "CONNECT X300",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "A5E45074588"),
},
},
@@ -429,7 +444,6 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap,
{
struct platform_device *clkdev;
struct pmc_clk_data *clk_data;
- const struct dmi_system_id *d = dmi_first_match(critclk_systems);
clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL);
if (!clk_data)
@@ -437,10 +451,8 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap,
clk_data->base = pmc_regmap; /* offset is added by client */
clk_data->clks = pmc_data->clks;
- if (d) {
- clk_data->critical = true;
- pr_info("%s critclks quirk enabled\n", d->ident);
- }
+ if (dmi_check_system(critclk_systems))
+ clk_data->critical = pmc_clk_is_critical;
clkdev = platform_device_register_data(&pdev->dev, "clk-pmc-atom",
PLATFORM_DEVID_NONE,
diff --git a/drivers/platform/x86/simatic-ipc.c b/drivers/platform/x86/simatic-ipc.c
new file mode 100644
index 000000000000..b599cda5ba3c
--- /dev/null
+++ b/drivers/platform/x86/simatic-ipc.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC platform driver
+ *
+ * Copyright (c) Siemens AG, 2018-2021
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ * Jan Kiszka <jan.kiszka@siemens.com>
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/dmi.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_data/x86/simatic-ipc.h>
+#include <linux/platform_device.h>
+
+static struct platform_device *ipc_led_platform_device;
+static struct platform_device *ipc_wdt_platform_device;
+
+static const struct dmi_system_id simatic_ipc_whitelist[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
+ },
+ },
+ {}
+};
+
+static struct simatic_ipc_platform platform_data;
+
+static struct {
+ u32 station_id;
+ u8 led_mode;
+ u8 wdt_mode;
+} device_modes[] = {
+ {SIMATIC_IPC_IPC127E, SIMATIC_IPC_DEVICE_127E, SIMATIC_IPC_DEVICE_NONE},
+ {SIMATIC_IPC_IPC227D, SIMATIC_IPC_DEVICE_227D, SIMATIC_IPC_DEVICE_NONE},
+ {SIMATIC_IPC_IPC227E, SIMATIC_IPC_DEVICE_427E, SIMATIC_IPC_DEVICE_227E},
+ {SIMATIC_IPC_IPC277E, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_227E},
+ {SIMATIC_IPC_IPC427D, SIMATIC_IPC_DEVICE_427E, SIMATIC_IPC_DEVICE_NONE},
+ {SIMATIC_IPC_IPC427E, SIMATIC_IPC_DEVICE_427E, SIMATIC_IPC_DEVICE_427E},
+ {SIMATIC_IPC_IPC477E, SIMATIC_IPC_DEVICE_NONE, SIMATIC_IPC_DEVICE_427E},
+};
+
+static int register_platform_devices(u32 station_id)
+{
+ u8 ledmode = SIMATIC_IPC_DEVICE_NONE;
+ u8 wdtmode = SIMATIC_IPC_DEVICE_NONE;
+ int i;
+
+ platform_data.devmode = SIMATIC_IPC_DEVICE_NONE;
+
+ for (i = 0; i < ARRAY_SIZE(device_modes); i++) {
+ if (device_modes[i].station_id == station_id) {
+ ledmode = device_modes[i].led_mode;
+ wdtmode = device_modes[i].wdt_mode;
+ break;
+ }
+ }
+
+ if (ledmode != SIMATIC_IPC_DEVICE_NONE) {
+ platform_data.devmode = ledmode;
+ ipc_led_platform_device =
+ platform_device_register_data(NULL,
+ KBUILD_MODNAME "_leds", PLATFORM_DEVID_NONE,
+ &platform_data,
+ sizeof(struct simatic_ipc_platform));
+ if (IS_ERR(ipc_led_platform_device))
+ return PTR_ERR(ipc_led_platform_device);
+
+ pr_debug("device=%s created\n",
+ ipc_led_platform_device->name);
+ }
+
+ if (wdtmode != SIMATIC_IPC_DEVICE_NONE) {
+ platform_data.devmode = wdtmode;
+ ipc_wdt_platform_device =
+ platform_device_register_data(NULL,
+ KBUILD_MODNAME "_wdt", PLATFORM_DEVID_NONE,
+ &platform_data,
+ sizeof(struct simatic_ipc_platform));
+ if (IS_ERR(ipc_wdt_platform_device))
+ return PTR_ERR(ipc_wdt_platform_device);
+
+ pr_debug("device=%s created\n",
+ ipc_wdt_platform_device->name);
+ }
+
+ if (ledmode == SIMATIC_IPC_DEVICE_NONE &&
+ wdtmode == SIMATIC_IPC_DEVICE_NONE) {
+ pr_warn("unsupported IPC detected, station id=%08x\n",
+ station_id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* FIXME: this should eventually be done with generic P2SB discovery code
+ * the individual drivers for watchdogs and LEDs access memory that implements
+ * GPIO, but pinctrl will not come up because of missing ACPI entries
+ *
+ * While there is no conflict a cleaner solution would be to somehow bring up
+ * pinctrl even with these ACPI entries missing, and base the drivers on pinctrl.
+ * After which the following function could be dropped, together with the code
+ * poking the memory.
+ */
+/*
+ * Get membase address from PCI, used in leds and wdt module. Here we read
+ * the bar0. The final address calculation is done in the appropriate modules
+ */
+u32 simatic_ipc_get_membase0(unsigned int p2sb)
+{
+ struct pci_bus *bus;
+ u32 bar0 = 0;
+ /*
+ * The GPIO memory is in bar0 of the hidden P2SB device.
+ * Unhide the device to have a quick look at it, before we hide it
+ * again.
+ * Also grab the pci rescan lock so that device does not get discovered
+ * and remapped while it is visible.
+ * This code is inspired by drivers/mfd/lpc_ich.c
+ */
+ bus = pci_find_bus(0, 0);
+ pci_lock_rescan_remove();
+ pci_bus_write_config_byte(bus, p2sb, 0xE1, 0x0);
+ pci_bus_read_config_dword(bus, p2sb, PCI_BASE_ADDRESS_0, &bar0);
+
+ bar0 &= ~0xf;
+ pci_bus_write_config_byte(bus, p2sb, 0xE1, 0x1);
+ pci_unlock_rescan_remove();
+
+ return bar0;
+}
+EXPORT_SYMBOL(simatic_ipc_get_membase0);
+
+static int __init simatic_ipc_init_module(void)
+{
+ const struct dmi_system_id *match;
+ u32 station_id;
+ int err;
+
+ match = dmi_first_match(simatic_ipc_whitelist);
+ if (!match)
+ return 0;
+
+ err = dmi_walk(simatic_ipc_find_dmi_entry_helper, &station_id);
+
+ if (err || station_id == SIMATIC_IPC_INVALID_STATION_ID) {
+ pr_warn("DMI entry %d not found\n", SIMATIC_IPC_DMI_ENTRY_OEM);
+ return 0;
+ }
+
+ return register_platform_devices(station_id);
+}
+
+static void __exit simatic_ipc_exit_module(void)
+{
+ platform_device_unregister(ipc_led_platform_device);
+ ipc_led_platform_device = NULL;
+
+ platform_device_unregister(ipc_wdt_platform_device);
+ ipc_wdt_platform_device = NULL;
+}
+
+module_init(simatic_ipc_init_module);
+module_exit(simatic_ipc_exit_module);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Gerd Haeussler <gerd.haeussler.ext@siemens.com>");
+MODULE_ALIAS("dmi:*:svnSIEMENSAG:*");
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index c4d9c45350f7..0b73e16cccea 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -128,8 +128,23 @@ MODULE_PARM_DESC(debug_support, "Enable debug command support");
*/
#define LENOVO_DEBUG_CMD_GUID "7FF47003-3B6C-4E5E-A227-E979824A85D1"
+/*
+ * Name:
+ * Lenovo_OpcodeIF
+ * Description:
+ * Opcode interface which provides the ability to set multiple
+ * parameters and then trigger an action with a final command.
+ * This is particularly useful for simplifying setting passwords.
+ * With this support comes the ability to set System, HDD and NVMe
+ * passwords.
+ * This is currently available on ThinkCenter and ThinkStations platforms
+ */
+#define LENOVO_OPCODE_IF_GUID "DFDDEF2C-57D4-48ce-B196-0FB787D90836"
+
#define TLMI_POP_PWD (1 << 0)
#define TLMI_PAP_PWD (1 << 1)
+#define TLMI_HDD_PWD (1 << 2)
+#define TLMI_SYS_PWD (1 << 3)
#define to_tlmi_pwd_setting(kobj) container_of(kobj, struct tlmi_pwd_setting, kobj)
#define to_tlmi_attr_setting(kobj) container_of(kobj, struct tlmi_attr_setting, kobj)
@@ -145,6 +160,10 @@ static const char * const encoding_options[] = {
[TLMI_ENCODING_ASCII] = "ascii",
[TLMI_ENCODING_SCANCODE] = "scancode",
};
+static const char * const level_options[] = {
+ [TLMI_LEVEL_USER] = "user",
+ [TLMI_LEVEL_MASTER] = "master",
+};
static struct think_lmi tlmi_priv;
static struct class *fw_attr_class;
@@ -233,6 +252,7 @@ static int tlmi_get_pwd_settings(struct tlmi_pwdcfg *pwdcfg)
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
const union acpi_object *obj;
acpi_status status;
+ int copy_size;
if (!tlmi_priv.can_get_password_settings)
return -EOPNOTSUPP;
@@ -253,14 +273,21 @@ static int tlmi_get_pwd_settings(struct tlmi_pwdcfg *pwdcfg)
* The size of thinkpad_wmi_pcfg on ThinkStation is larger than ThinkPad.
* To make the driver compatible on different brands, we permit it to get
* the data in below case.
+ * Settings must have at minimum the core fields available
*/
- if (obj->buffer.length < sizeof(struct tlmi_pwdcfg)) {
+ if (obj->buffer.length < sizeof(struct tlmi_pwdcfg_core)) {
pr_warn("Unknown pwdcfg buffer length %d\n", obj->buffer.length);
kfree(obj);
return -EIO;
}
- memcpy(pwdcfg, obj->buffer.pointer, sizeof(struct tlmi_pwdcfg));
+
+ copy_size = obj->buffer.length < sizeof(struct tlmi_pwdcfg) ?
+ obj->buffer.length : sizeof(struct tlmi_pwdcfg);
+ memcpy(pwdcfg, obj->buffer.pointer, copy_size);
kfree(obj);
+
+ if (WARN_ON(pwdcfg->core.max_length >= TLMI_PWD_BUFSIZE))
+ pwdcfg->core.max_length = TLMI_PWD_BUFSIZE - 1;
return 0;
}
@@ -270,6 +297,20 @@ static int tlmi_save_bios_settings(const char *password)
password);
}
+static int tlmi_opcode_setting(char *setting, const char *value)
+{
+ char *opcode_str;
+ int ret;
+
+ opcode_str = kasprintf(GFP_KERNEL, "%s:%s;", setting, value);
+ if (!opcode_str)
+ return -ENOMEM;
+
+ ret = tlmi_simple_call(LENOVO_OPCODE_IF_GUID, opcode_str);
+ kfree(opcode_str);
+ return ret;
+}
+
static int tlmi_setting(int item, char **value, const char *guid_string)
{
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -370,16 +411,54 @@ static ssize_t new_password_store(struct kobject *kobj,
goto out;
}
- /* Format: 'PasswordType,CurrentPw,NewPw,Encoding,KbdLang;' */
- auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s,%s,%s;",
- setting->pwd_type, setting->password, new_pwd,
- encoding_options[setting->encoding], setting->kbdlang);
- if (!auth_str) {
- ret = -ENOMEM;
- goto out;
+ /* If opcode support is present use that interface */
+ if (tlmi_priv.opcode_support) {
+ char pwd_type[8];
+
+ /* Special handling required for HDD and NVMe passwords */
+ if (setting == tlmi_priv.pwd_hdd) {
+ if (setting->level == TLMI_LEVEL_USER)
+ sprintf(pwd_type, "uhdp%d", setting->index);
+ else
+ sprintf(pwd_type, "mhdp%d", setting->index);
+ } else if (setting == tlmi_priv.pwd_nvme) {
+ if (setting->level == TLMI_LEVEL_USER)
+ sprintf(pwd_type, "unvp%d", setting->index);
+ else
+ sprintf(pwd_type, "mnvp%d", setting->index);
+ } else {
+ sprintf(pwd_type, "%s", setting->pwd_type);
+ }
+
+ ret = tlmi_opcode_setting("WmiOpcodePasswordType", pwd_type);
+ if (ret)
+ goto out;
+
+ if (tlmi_priv.pwd_admin->valid) {
+ ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin",
+ tlmi_priv.pwd_admin->password);
+ if (ret)
+ goto out;
+ }
+ ret = tlmi_opcode_setting("WmiOpcodePasswordCurrent01", setting->password);
+ if (ret)
+ goto out;
+ ret = tlmi_opcode_setting("WmiOpcodePasswordNew01", new_pwd);
+ if (ret)
+ goto out;
+ ret = tlmi_simple_call(LENOVO_OPCODE_IF_GUID, "WmiOpcodePasswordSetUpdate;");
+ } else {
+ /* Format: 'PasswordType,CurrentPw,NewPw,Encoding,KbdLang;' */
+ auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s,%s,%s;",
+ setting->pwd_type, setting->password, new_pwd,
+ encoding_options[setting->encoding], setting->kbdlang);
+ if (!auth_str) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ ret = tlmi_simple_call(LENOVO_SET_BIOS_PASSWORD_GUID, auth_str);
+ kfree(auth_str);
}
- ret = tlmi_simple_call(LENOVO_SET_BIOS_PASSWORD_GUID, auth_str);
- kfree(auth_str);
out:
kfree(new_pwd);
return ret ?: count;
@@ -475,6 +554,75 @@ static ssize_t role_show(struct kobject *kobj, struct kobj_attribute *attr,
}
static struct kobj_attribute auth_role = __ATTR_RO(role);
+static ssize_t index_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
+
+ return sysfs_emit(buf, "%d\n", setting->index);
+}
+
+static ssize_t index_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
+ int err, val;
+
+ err = kstrtoint(buf, 10, &val);
+ if (err < 0)
+ return err;
+
+ if (val < 0 || val > TLMI_INDEX_MAX)
+ return -EINVAL;
+
+ setting->index = val;
+ return count;
+}
+
+static struct kobj_attribute auth_index = __ATTR_RW(index);
+
+static ssize_t level_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
+
+ return sysfs_emit(buf, "%s\n", level_options[setting->level]);
+}
+
+static ssize_t level_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
+ int i;
+
+ /* Scan for a matching profile */
+ i = sysfs_match_string(level_options, buf);
+ if (i < 0)
+ return -EINVAL;
+
+ setting->level = i;
+ return count;
+}
+
+static struct kobj_attribute auth_level = __ATTR_RW(level);
+
+static umode_t auth_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj);
+
+ /*We only want to display level and index settings on HDD/NVMe */
+ if ((attr == (struct attribute *)&auth_index) ||
+ (attr == (struct attribute *)&auth_level)) {
+ if ((setting == tlmi_priv.pwd_hdd) || (setting == tlmi_priv.pwd_nvme))
+ return attr->mode;
+ return 0;
+ }
+ return attr->mode;
+}
+
static struct attribute *auth_attrs[] = {
&auth_is_pass_set.attr,
&auth_min_pass_length.attr,
@@ -485,10 +633,13 @@ static struct attribute *auth_attrs[] = {
&auth_mechanism.attr,
&auth_encoding.attr,
&auth_kbdlang.attr,
+ &auth_index.attr,
+ &auth_level.attr,
NULL
};
static const struct attribute_group auth_attr_group = {
+ .is_visible = auth_attr_is_visible,
.attrs = auth_attrs,
};
@@ -752,6 +903,16 @@ static void tlmi_release_attr(void)
kobject_put(&tlmi_priv.pwd_admin->kobj);
sysfs_remove_group(&tlmi_priv.pwd_power->kobj, &auth_attr_group);
kobject_put(&tlmi_priv.pwd_power->kobj);
+
+ if (tlmi_priv.opcode_support) {
+ sysfs_remove_group(&tlmi_priv.pwd_system->kobj, &auth_attr_group);
+ kobject_put(&tlmi_priv.pwd_system->kobj);
+ sysfs_remove_group(&tlmi_priv.pwd_hdd->kobj, &auth_attr_group);
+ kobject_put(&tlmi_priv.pwd_hdd->kobj);
+ sysfs_remove_group(&tlmi_priv.pwd_nvme->kobj, &auth_attr_group);
+ kobject_put(&tlmi_priv.pwd_nvme->kobj);
+ }
+
kset_unregister(tlmi_priv.authentication_kset);
}
@@ -831,7 +992,7 @@ static int tlmi_sysfs_init(void)
goto fail_create_attr;
tlmi_priv.pwd_power->kobj.kset = tlmi_priv.authentication_kset;
- ret = kobject_add(&tlmi_priv.pwd_power->kobj, NULL, "%s", "System");
+ ret = kobject_add(&tlmi_priv.pwd_power->kobj, NULL, "%s", "Power-on");
if (ret)
goto fail_create_attr;
@@ -839,6 +1000,35 @@ static int tlmi_sysfs_init(void)
if (ret)
goto fail_create_attr;
+ if (tlmi_priv.opcode_support) {
+ tlmi_priv.pwd_system->kobj.kset = tlmi_priv.authentication_kset;
+ ret = kobject_add(&tlmi_priv.pwd_system->kobj, NULL, "%s", "System");
+ if (ret)
+ goto fail_create_attr;
+
+ ret = sysfs_create_group(&tlmi_priv.pwd_system->kobj, &auth_attr_group);
+ if (ret)
+ goto fail_create_attr;
+
+ tlmi_priv.pwd_hdd->kobj.kset = tlmi_priv.authentication_kset;
+ ret = kobject_add(&tlmi_priv.pwd_hdd->kobj, NULL, "%s", "HDD");
+ if (ret)
+ goto fail_create_attr;
+
+ ret = sysfs_create_group(&tlmi_priv.pwd_hdd->kobj, &auth_attr_group);
+ if (ret)
+ goto fail_create_attr;
+
+ tlmi_priv.pwd_nvme->kobj.kset = tlmi_priv.authentication_kset;
+ ret = kobject_add(&tlmi_priv.pwd_nvme->kobj, NULL, "%s", "NVMe");
+ if (ret)
+ goto fail_create_attr;
+
+ ret = sysfs_create_group(&tlmi_priv.pwd_nvme->kobj, &auth_attr_group);
+ if (ret)
+ goto fail_create_attr;
+ }
+
return ret;
fail_create_attr:
@@ -851,9 +1041,30 @@ fail_class_created:
}
/* ---- Base Driver -------------------------------------------------------- */
+static struct tlmi_pwd_setting *tlmi_create_auth(const char *pwd_type,
+ const char *pwd_role)
+{
+ struct tlmi_pwd_setting *new_pwd;
+
+ new_pwd = kzalloc(sizeof(struct tlmi_pwd_setting), GFP_KERNEL);
+ if (!new_pwd)
+ return NULL;
+
+ strscpy(new_pwd->kbdlang, "us", TLMI_LANG_MAXLEN);
+ new_pwd->encoding = TLMI_ENCODING_ASCII;
+ new_pwd->pwd_type = pwd_type;
+ new_pwd->role = pwd_role;
+ new_pwd->minlen = tlmi_priv.pwdcfg.core.min_length;
+ new_pwd->maxlen = tlmi_priv.pwdcfg.core.max_length;
+ new_pwd->index = 0;
+
+ kobject_init(&new_pwd->kobj, &tlmi_pwd_setting_ktype);
+
+ return new_pwd;
+}
+
static int tlmi_analyze(void)
{
- struct tlmi_pwdcfg pwdcfg;
acpi_status status;
int i, ret;
@@ -873,6 +1084,9 @@ static int tlmi_analyze(void)
if (wmi_has_guid(LENOVO_DEBUG_CMD_GUID))
tlmi_priv.can_debug_cmd = true;
+ if (wmi_has_guid(LENOVO_OPCODE_IF_GUID))
+ tlmi_priv.opcode_support = true;
+
/*
* Try to find the number of valid settings of this machine
* and use it to create sysfs attributes.
@@ -923,49 +1137,69 @@ static int tlmi_analyze(void)
}
/* Create password setting structure */
- ret = tlmi_get_pwd_settings(&pwdcfg);
+ ret = tlmi_get_pwd_settings(&tlmi_priv.pwdcfg);
if (ret)
goto fail_clear_attr;
- tlmi_priv.pwd_admin = kzalloc(sizeof(struct tlmi_pwd_setting), GFP_KERNEL);
- if (!tlmi_priv.pwd_admin) {
- ret = -ENOMEM;
+ /* All failures below boil down to kmalloc failures */
+ ret = -ENOMEM;
+
+ tlmi_priv.pwd_admin = tlmi_create_auth("pap", "bios-admin");
+ if (!tlmi_priv.pwd_admin)
goto fail_clear_attr;
- }
- strscpy(tlmi_priv.pwd_admin->kbdlang, "us", TLMI_LANG_MAXLEN);
- tlmi_priv.pwd_admin->encoding = TLMI_ENCODING_ASCII;
- tlmi_priv.pwd_admin->pwd_type = "pap";
- tlmi_priv.pwd_admin->role = "bios-admin";
- tlmi_priv.pwd_admin->minlen = pwdcfg.min_length;
- if (WARN_ON(pwdcfg.max_length >= TLMI_PWD_BUFSIZE))
- pwdcfg.max_length = TLMI_PWD_BUFSIZE - 1;
- tlmi_priv.pwd_admin->maxlen = pwdcfg.max_length;
- if (pwdcfg.password_state & TLMI_PAP_PWD)
+
+ if (tlmi_priv.pwdcfg.core.password_state & TLMI_PAP_PWD)
tlmi_priv.pwd_admin->valid = true;
- kobject_init(&tlmi_priv.pwd_admin->kobj, &tlmi_pwd_setting_ktype);
+ tlmi_priv.pwd_power = tlmi_create_auth("pop", "power-on");
+ if (!tlmi_priv.pwd_power)
+ goto fail_clear_attr;
- tlmi_priv.pwd_power = kzalloc(sizeof(struct tlmi_pwd_setting), GFP_KERNEL);
- if (!tlmi_priv.pwd_power) {
- ret = -ENOMEM;
- goto fail_free_pwd_admin;
- }
- strscpy(tlmi_priv.pwd_power->kbdlang, "us", TLMI_LANG_MAXLEN);
- tlmi_priv.pwd_power->encoding = TLMI_ENCODING_ASCII;
- tlmi_priv.pwd_power->pwd_type = "pop";
- tlmi_priv.pwd_power->role = "power-on";
- tlmi_priv.pwd_power->minlen = pwdcfg.min_length;
- tlmi_priv.pwd_power->maxlen = pwdcfg.max_length;
-
- if (pwdcfg.password_state & TLMI_POP_PWD)
+ if (tlmi_priv.pwdcfg.core.password_state & TLMI_POP_PWD)
tlmi_priv.pwd_power->valid = true;
- kobject_init(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype);
+ if (tlmi_priv.opcode_support) {
+ tlmi_priv.pwd_system = tlmi_create_auth("sys", "system");
+ if (!tlmi_priv.pwd_system)
+ goto fail_clear_attr;
+
+ if (tlmi_priv.pwdcfg.core.password_state & TLMI_SYS_PWD)
+ tlmi_priv.pwd_system->valid = true;
+ tlmi_priv.pwd_hdd = tlmi_create_auth("hdd", "hdd");
+ if (!tlmi_priv.pwd_hdd)
+ goto fail_clear_attr;
+
+ tlmi_priv.pwd_nvme = tlmi_create_auth("nvm", "nvme");
+ if (!tlmi_priv.pwd_nvme)
+ goto fail_clear_attr;
+
+ if (tlmi_priv.pwdcfg.core.password_state & TLMI_HDD_PWD) {
+ /* Check if PWD is configured and set index to first drive found */
+ if (tlmi_priv.pwdcfg.ext.hdd_user_password ||
+ tlmi_priv.pwdcfg.ext.hdd_master_password) {
+ tlmi_priv.pwd_hdd->valid = true;
+ if (tlmi_priv.pwdcfg.ext.hdd_master_password)
+ tlmi_priv.pwd_hdd->index =
+ ffs(tlmi_priv.pwdcfg.ext.hdd_master_password) - 1;
+ else
+ tlmi_priv.pwd_hdd->index =
+ ffs(tlmi_priv.pwdcfg.ext.hdd_user_password) - 1;
+ }
+ if (tlmi_priv.pwdcfg.ext.nvme_user_password ||
+ tlmi_priv.pwdcfg.ext.nvme_master_password) {
+ tlmi_priv.pwd_nvme->valid = true;
+ if (tlmi_priv.pwdcfg.ext.nvme_master_password)
+ tlmi_priv.pwd_nvme->index =
+ ffs(tlmi_priv.pwdcfg.ext.nvme_master_password) - 1;
+ else
+ tlmi_priv.pwd_nvme->index =
+ ffs(tlmi_priv.pwdcfg.ext.nvme_user_password) - 1;
+ }
+ }
+ }
return 0;
-fail_free_pwd_admin:
- kfree(tlmi_priv.pwd_admin);
fail_clear_attr:
for (i = 0; i < TLMI_SETTINGS_COUNT; ++i) {
if (tlmi_priv.setting[i]) {
@@ -973,6 +1207,11 @@ fail_clear_attr:
kfree(tlmi_priv.setting[i]);
}
}
+ kfree(tlmi_priv.pwd_admin);
+ kfree(tlmi_priv.pwd_power);
+ kfree(tlmi_priv.pwd_system);
+ kfree(tlmi_priv.pwd_hdd);
+ kfree(tlmi_priv.pwd_nvme);
return ret;
}
diff --git a/drivers/platform/x86/think-lmi.h b/drivers/platform/x86/think-lmi.h
index 2ce5086a5af2..e46c7f383353 100644
--- a/drivers/platform/x86/think-lmi.h
+++ b/drivers/platform/x86/think-lmi.h
@@ -9,6 +9,7 @@
#define TLMI_SETTINGS_MAXLEN 512
#define TLMI_PWD_BUFSIZE 129
#define TLMI_LANG_MAXLEN 4
+#define TLMI_INDEX_MAX 32
/* Possible error values */
struct tlmi_err_codes {
@@ -21,8 +22,13 @@ enum encoding_option {
TLMI_ENCODING_SCANCODE,
};
+enum level_option {
+ TLMI_LEVEL_USER,
+ TLMI_LEVEL_MASTER,
+};
+
/* password configuration details */
-struct tlmi_pwdcfg {
+struct tlmi_pwdcfg_core {
uint32_t password_mode;
uint32_t password_state;
uint32_t min_length;
@@ -31,6 +37,18 @@ struct tlmi_pwdcfg {
uint32_t supported_keyboard;
};
+struct tlmi_pwdcfg_ext {
+ uint32_t hdd_user_password;
+ uint32_t hdd_master_password;
+ uint32_t nvme_user_password;
+ uint32_t nvme_master_password;
+};
+
+struct tlmi_pwdcfg {
+ struct tlmi_pwdcfg_core core;
+ struct tlmi_pwdcfg_ext ext;
+};
+
/* password setting details */
struct tlmi_pwd_setting {
struct kobject kobj;
@@ -42,6 +60,8 @@ struct tlmi_pwd_setting {
int maxlen;
enum encoding_option encoding;
char kbdlang[TLMI_LANG_MAXLEN];
+ int index; /*Used for HDD and NVME auth */
+ enum level_option level;
};
/* Attribute setting details */
@@ -61,13 +81,19 @@ struct think_lmi {
bool can_get_password_settings;
bool pending_changes;
bool can_debug_cmd;
+ bool opcode_support;
struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT];
struct device *class_dev;
struct kset *attribute_kset;
struct kset *authentication_kset;
+
+ struct tlmi_pwdcfg pwdcfg;
struct tlmi_pwd_setting *pwd_admin;
struct tlmi_pwd_setting *pwd_power;
+ struct tlmi_pwd_setting *pwd_system;
+ struct tlmi_pwd_setting *pwd_hdd;
+ struct tlmi_pwd_setting *pwd_nvme;
};
#endif /* !_THINK_LMI_H_ */
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 341655d711ce..82fa6148216c 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -334,12 +334,10 @@ static struct {
u32 battery_force_primary:1;
u32 input_device_registered:1;
u32 platform_drv_registered:1;
- u32 platform_drv_attrs_registered:1;
u32 sensors_pdrv_registered:1;
- u32 sensors_pdrv_attrs_registered:1;
- u32 sensors_pdev_attrs_registered:1;
u32 hotkey_poll_active:1;
u32 has_adaptive_kbd:1;
+ u32 kbd_lang:1;
} tp_features;
static struct {
@@ -985,20 +983,6 @@ static void tpacpi_shutdown_handler(struct platform_device *pdev)
}
}
-static struct platform_driver tpacpi_pdriver = {
- .driver = {
- .name = TPACPI_DRVR_NAME,
- .pm = &tpacpi_pm,
- },
- .shutdown = tpacpi_shutdown_handler,
-};
-
-static struct platform_driver tpacpi_hwmon_pdriver = {
- .driver = {
- .name = TPACPI_HWMON_DRVR_NAME,
- },
-};
-
/*************************************************************************
* sysfs support helpers
*/
@@ -1481,53 +1465,6 @@ static ssize_t uwb_emulstate_store(struct device_driver *drv, const char *buf,
static DRIVER_ATTR_RW(uwb_emulstate);
#endif
-/* --------------------------------------------------------------------- */
-
-static struct driver_attribute *tpacpi_driver_attributes[] = {
- &driver_attr_debug_level, &driver_attr_version,
- &driver_attr_interface_version,
-};
-
-static int __init tpacpi_create_driver_attributes(struct device_driver *drv)
-{
- int i, res;
-
- i = 0;
- res = 0;
- while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) {
- res = driver_create_file(drv, tpacpi_driver_attributes[i]);
- i++;
- }
-
-#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
- if (!res && dbg_wlswemul)
- res = driver_create_file(drv, &driver_attr_wlsw_emulstate);
- if (!res && dbg_bluetoothemul)
- res = driver_create_file(drv, &driver_attr_bluetooth_emulstate);
- if (!res && dbg_wwanemul)
- res = driver_create_file(drv, &driver_attr_wwan_emulstate);
- if (!res && dbg_uwbemul)
- res = driver_create_file(drv, &driver_attr_uwb_emulstate);
-#endif
-
- return res;
-}
-
-static void tpacpi_remove_driver_attributes(struct device_driver *drv)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
- driver_remove_file(drv, tpacpi_driver_attributes[i]);
-
-#ifdef THINKPAD_ACPI_DEBUGFACILITIES
- driver_remove_file(drv, &driver_attr_wlsw_emulstate);
- driver_remove_file(drv, &driver_attr_bluetooth_emulstate);
- driver_remove_file(drv, &driver_attr_wwan_emulstate);
- driver_remove_file(drv, &driver_attr_uwb_emulstate);
-#endif
-}
-
/*************************************************************************
* Firmware Data
*/
@@ -3001,7 +2938,14 @@ static struct attribute *adaptive_kbd_attributes[] = {
NULL
};
+static umode_t hadaptive_kbd_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ return tp_features.has_adaptive_kbd ? attr->mode : 0;
+}
+
static const struct attribute_group adaptive_kbd_attr_group = {
+ .is_visible = hadaptive_kbd_attr_is_visible,
.attrs = adaptive_kbd_attributes,
};
@@ -3098,8 +3042,6 @@ static void hotkey_exit(void)
hotkey_poll_stop_sync();
mutex_unlock(&hotkey_mutex);
#endif
- sysfs_remove_group(&tpacpi_pdev->dev.kobj, &hotkey_attr_group);
-
dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
"restoring original HKEY status and mask\n");
/* yes, there is a bitwise or below, we want the
@@ -3438,7 +3380,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
str_supported(tp_features.hotkey));
if (!tp_features.hotkey)
- return 1;
+ return -ENODEV;
quirks = tpacpi_check_quirks(tpacpi_hotkey_qtable,
ARRAY_SIZE(tpacpi_hotkey_qtable));
@@ -3494,14 +3436,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
*/
if (acpi_evalf(hkey_handle, &hotkey_adaptive_all_mask,
"MHKA", "dd", 2)) {
- if (hotkey_adaptive_all_mask != 0) {
+ if (hotkey_adaptive_all_mask != 0)
tp_features.has_adaptive_kbd = true;
- res = sysfs_create_group(
- &tpacpi_pdev->dev.kobj,
- &adaptive_kbd_attr_group);
- if (res)
- goto err_exit;
- }
} else {
tp_features.has_adaptive_kbd = false;
hotkey_adaptive_all_mask = 0x0U;
@@ -3531,7 +3467,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
* the first hotkey_mask_get to return hotkey_orig_mask */
res = hotkey_mask_get();
if (res)
- goto err_exit;
+ return res;
hotkey_orig_mask = hotkey_acpi_mask;
} else {
@@ -3555,9 +3491,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
}
tabletsw_state = hotkey_init_tablet_mode();
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj, &hotkey_attr_group);
- if (res)
- goto err_exit;
/* Set up key map */
keymap_id = tpacpi_check_quirks(tpacpi_keymap_qtable,
@@ -3570,8 +3503,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
TPACPI_HOTKEY_MAP_SIZE, GFP_KERNEL);
if (!hotkey_keycode_map) {
pr_err("failed to allocate memory for key map\n");
- res = -ENOMEM;
- goto err_exit;
+ return -ENOMEM;
}
input_set_capability(tpacpi_inputdev, EV_MSC, MSC_SCAN);
@@ -3652,12 +3584,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
hotkey_poll_setup_safe(true);
return 0;
-
-err_exit:
- sysfs_remove_group(&tpacpi_pdev->dev.kobj, &hotkey_attr_group);
- sysfs_remove_group(&tpacpi_pdev->dev.kobj, &adaptive_kbd_attr_group);
-
- return (res < 0) ? res : 1;
}
/* Thinkpad X1 Carbon support 5 modes including Home mode, Web browser
@@ -4402,7 +4328,14 @@ static struct attribute *bluetooth_attributes[] = {
NULL
};
+static umode_t bluetooth_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ return tp_features.bluetooth ? attr->mode : 0;
+}
+
static const struct attribute_group bluetooth_attr_group = {
+ .is_visible = bluetooth_attr_is_visible,
.attrs = bluetooth_attributes,
};
@@ -4424,11 +4357,7 @@ static void bluetooth_shutdown(void)
static void bluetooth_exit(void)
{
- sysfs_remove_group(&tpacpi_pdev->dev.kobj,
- &bluetooth_attr_group);
-
tpacpi_destroy_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID);
-
bluetooth_shutdown();
}
@@ -4535,24 +4464,14 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
}
if (!tp_features.bluetooth)
- return 1;
+ return -ENODEV;
res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
&bluetooth_tprfk_ops,
RFKILL_TYPE_BLUETOOTH,
TPACPI_RFK_BLUETOOTH_SW_NAME,
true);
- if (res)
- return res;
-
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &bluetooth_attr_group);
- if (res) {
- tpacpi_destroy_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID);
- return res;
- }
-
- return 0;
+ return res;
}
/* procfs -------------------------------------------------------------- */
@@ -4659,7 +4578,14 @@ static struct attribute *wan_attributes[] = {
NULL
};
+static umode_t wan_attr_is_visible(struct kobject *kobj, struct attribute *attr,
+ int n)
+{
+ return tp_features.wan ? attr->mode : 0;
+}
+
static const struct attribute_group wan_attr_group = {
+ .is_visible = wan_attr_is_visible,
.attrs = wan_attributes,
};
@@ -4681,11 +4607,7 @@ static void wan_shutdown(void)
static void wan_exit(void)
{
- sysfs_remove_group(&tpacpi_pdev->dev.kobj,
- &wan_attr_group);
-
tpacpi_destroy_rfkill(TPACPI_RFK_WWAN_SW_ID);
-
wan_shutdown();
}
@@ -4722,25 +4644,14 @@ static int __init wan_init(struct ibm_init_struct *iibm)
}
if (!tp_features.wan)
- return 1;
+ return -ENODEV;
res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
&wan_tprfk_ops,
RFKILL_TYPE_WWAN,
TPACPI_RFK_WWAN_SW_NAME,
true);
- if (res)
- return res;
-
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &wan_attr_group);
-
- if (res) {
- tpacpi_destroy_rfkill(TPACPI_RFK_WWAN_SW_ID);
- return res;
- }
-
- return 0;
+ return res;
}
/* procfs -------------------------------------------------------------- */
@@ -4862,7 +4773,7 @@ static int __init uwb_init(struct ibm_init_struct *iibm)
}
if (!tp_features.uwb)
- return 1;
+ return -ENODEV;
res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
&uwb_tprfk_ops,
@@ -4955,7 +4866,7 @@ static int __init video_init(struct ibm_init_struct *iibm)
str_supported(video_supported != TPACPI_VIDEO_NONE),
video_supported);
- return (video_supported != TPACPI_VIDEO_NONE) ? 0 : 1;
+ return (video_supported != TPACPI_VIDEO_NONE) ? 0 : -ENODEV;
}
static void video_exit(void)
@@ -5363,7 +5274,7 @@ static int __init kbdlight_init(struct ibm_init_struct *iibm)
if (!kbdlight_is_supported()) {
tp_features.kbdlight = 0;
vdbg_printk(TPACPI_DBG_INIT, "kbdlight is unsupported\n");
- return 1;
+ return -ENODEV;
}
kbdlight_brightness = kbdlight_sysfs_get(NULL);
@@ -5553,7 +5464,7 @@ static int __init light_init(struct ibm_init_struct *iibm)
str_supported(tp_features.light_status));
if (!tp_features.light)
- return 1;
+ return -ENODEV;
rc = led_classdev_register(&tpacpi_pdev->dev,
&tpacpi_led_thinklight.led_classdev);
@@ -5641,30 +5552,35 @@ static ssize_t cmos_command_store(struct device *dev,
static DEVICE_ATTR_WO(cmos_command);
+static struct attribute *cmos_attributes[] = {
+ &dev_attr_cmos_command.attr,
+ NULL
+};
+
+static umode_t cmos_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ return cmos_handle ? attr->mode : 0;
+}
+
+static const struct attribute_group cmos_attr_group = {
+ .is_visible = cmos_attr_is_visible,
+ .attrs = cmos_attributes,
+};
+
/* --------------------------------------------------------------------- */
static int __init cmos_init(struct ibm_init_struct *iibm)
{
- int res;
-
vdbg_printk(TPACPI_DBG_INIT,
- "initializing cmos commands subdriver\n");
+ "initializing cmos commands subdriver\n");
TPACPI_ACPIHANDLE_INIT(cmos);
vdbg_printk(TPACPI_DBG_INIT, "cmos commands are %s\n",
- str_supported(cmos_handle != NULL));
-
- res = device_create_file(&tpacpi_pdev->dev, &dev_attr_cmos_command);
- if (res)
- return res;
+ str_supported(cmos_handle != NULL));
- return (cmos_handle) ? 0 : 1;
-}
-
-static void cmos_exit(void)
-{
- device_remove_file(&tpacpi_pdev->dev, &dev_attr_cmos_command);
+ return cmos_handle ? 0 : -ENODEV;
}
static int cmos_read(struct seq_file *m)
@@ -5705,7 +5621,6 @@ static struct ibm_struct cmos_driver_data = {
.name = "cmos",
.read = cmos_read,
.write = cmos_write,
- .exit = cmos_exit,
};
/*************************************************************************
@@ -5910,6 +5825,7 @@ static int __init tpacpi_init_led(unsigned int led)
tpacpi_leds[led].led_classdev.brightness_get = &led_sysfs_get;
tpacpi_leds[led].led_classdev.name = tpacpi_led_names[led];
+ tpacpi_leds[led].led_classdev.flags = LED_RETAIN_AT_SHUTDOWN;
tpacpi_leds[led].led = led;
return led_classdev_register(&tpacpi_pdev->dev, &tpacpi_leds[led].led_classdev);
@@ -6010,7 +5926,7 @@ static int __init led_init(struct ibm_init_struct *iibm)
str_supported(led_supported), led_supported);
if (led_supported == TPACPI_LED_NONE)
- return 1;
+ return -ENODEV;
tpacpi_leds = kcalloc(TPACPI_LED_NUMLEDS, sizeof(*tpacpi_leds),
GFP_KERNEL);
@@ -6139,7 +6055,7 @@ static int __init beep_init(struct ibm_init_struct *iibm)
tp_features.beep_needs_two_args = !!(quirks & TPACPI_BEEP_Q1);
- return (beep_handle) ? 0 : 1;
+ return (beep_handle) ? 0 : -ENODEV;
}
static int beep_read(struct seq_file *m)
@@ -6216,7 +6132,6 @@ struct ibm_thermal_sensors_struct {
};
static enum thermal_access_mode thermal_read_mode;
-static const struct attribute_group *thermal_attr_group;
static bool thermal_use_labels;
/* idx is zero-based */
@@ -6370,14 +6285,6 @@ static struct sensor_device_attribute sensor_dev_attr_thermal_temp_input[] = {
&sensor_dev_attr_thermal_temp_input[X].dev_attr.attr
static struct attribute *thermal_temp_input_attr[] = {
- THERMAL_ATTRS(8),
- THERMAL_ATTRS(9),
- THERMAL_ATTRS(10),
- THERMAL_ATTRS(11),
- THERMAL_ATTRS(12),
- THERMAL_ATTRS(13),
- THERMAL_ATTRS(14),
- THERMAL_ATTRS(15),
THERMAL_ATTRS(0),
THERMAL_ATTRS(1),
THERMAL_ATTRS(2),
@@ -6386,15 +6293,37 @@ static struct attribute *thermal_temp_input_attr[] = {
THERMAL_ATTRS(5),
THERMAL_ATTRS(6),
THERMAL_ATTRS(7),
+ THERMAL_ATTRS(8),
+ THERMAL_ATTRS(9),
+ THERMAL_ATTRS(10),
+ THERMAL_ATTRS(11),
+ THERMAL_ATTRS(12),
+ THERMAL_ATTRS(13),
+ THERMAL_ATTRS(14),
+ THERMAL_ATTRS(15),
NULL
};
-static const struct attribute_group thermal_temp_input16_group = {
- .attrs = thermal_temp_input_attr
-};
+static umode_t thermal_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ if (thermal_read_mode == TPACPI_THERMAL_NONE)
+ return 0;
-static const struct attribute_group thermal_temp_input8_group = {
- .attrs = &thermal_temp_input_attr[8]
+ if (attr == THERMAL_ATTRS(8) || attr == THERMAL_ATTRS(9) ||
+ attr == THERMAL_ATTRS(10) || attr == THERMAL_ATTRS(11) ||
+ attr == THERMAL_ATTRS(12) || attr == THERMAL_ATTRS(13) ||
+ attr == THERMAL_ATTRS(14) || attr == THERMAL_ATTRS(15)) {
+ if (thermal_read_mode != TPACPI_THERMAL_TPEC_16)
+ return 0;
+ }
+
+ return attr->mode;
+}
+
+static const struct attribute_group thermal_attr_group = {
+ .is_visible = thermal_attr_is_visible,
+ .attrs = thermal_temp_input_attr,
};
#undef THERMAL_SENSOR_ATTR_TEMP
@@ -6418,7 +6347,14 @@ static struct attribute *temp_label_attributes[] = {
NULL
};
+static umode_t temp_label_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ return thermal_use_labels ? attr->mode : 0;
+}
+
static const struct attribute_group temp_label_attr_group = {
+ .is_visible = temp_label_attr_is_visible,
.attrs = temp_label_attributes,
};
@@ -6429,7 +6365,6 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
u8 t, ta1, ta2, ver = 0;
int i;
int acpi_tmp7;
- int res;
vdbg_printk(TPACPI_DBG_INIT, "initializing thermal subdriver\n");
@@ -6504,42 +6439,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
str_supported(thermal_read_mode != TPACPI_THERMAL_NONE),
thermal_read_mode);
- switch (thermal_read_mode) {
- case TPACPI_THERMAL_TPEC_16:
- thermal_attr_group = &thermal_temp_input16_group;
- break;
- case TPACPI_THERMAL_TPEC_8:
- case TPACPI_THERMAL_ACPI_TMP07:
- case TPACPI_THERMAL_ACPI_UPDT:
- thermal_attr_group = &thermal_temp_input8_group;
- break;
- case TPACPI_THERMAL_NONE:
- default:
- return 1;
- }
-
- res = sysfs_create_group(&tpacpi_hwmon->kobj, thermal_attr_group);
- if (res)
- return res;
-
- if (thermal_use_labels) {
- res = sysfs_create_group(&tpacpi_hwmon->kobj, &temp_label_attr_group);
- if (res) {
- sysfs_remove_group(&tpacpi_hwmon->kobj, thermal_attr_group);
- return res;
- }
- }
-
- return 0;
-}
-
-static void thermal_exit(void)
-{
- if (thermal_attr_group)
- sysfs_remove_group(&tpacpi_hwmon->kobj, thermal_attr_group);
-
- if (thermal_use_labels)
- sysfs_remove_group(&tpacpi_hwmon->kobj, &temp_label_attr_group);
+ return thermal_read_mode != TPACPI_THERMAL_NONE ? 0 : -ENODEV;
}
static int thermal_read(struct seq_file *m)
@@ -6566,7 +6466,6 @@ static int thermal_read(struct seq_file *m)
static struct ibm_struct thermal_driver_data = {
.name = "thermal",
.read = thermal_read,
- .exit = thermal_exit,
};
/*************************************************************************
@@ -6951,25 +6850,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
/* if it is unknown, we don't handle it: it wouldn't be safe */
if (tp_features.bright_unkfw)
- return 1;
+ return -ENODEV;
if (!brightness_enable) {
dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
"brightness support disabled by module parameter\n");
- return 1;
+ return -ENODEV;
}
if (acpi_video_get_backlight_type() != acpi_backlight_vendor) {
if (brightness_enable > 1) {
pr_info("Standard ACPI backlight interface available, not loading native one\n");
- return 1;
+ return -ENODEV;
} else if (brightness_enable == 1) {
pr_warn("Cannot enable backlight brightness support, ACPI is already handling it. Refer to the acpi_backlight kernel parameter.\n");
- return 1;
+ return -ENODEV;
}
} else if (!tp_features.bright_acpimode) {
pr_notice("ACPI backlight interface not available\n");
- return 1;
+ return -ENODEV;
}
pr_notice("ACPI native brightness control enabled\n");
@@ -7002,7 +6901,7 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
return -EINVAL;
if (tpacpi_brightness_get_raw(&b) < 0)
- return 1;
+ return -ENODEV;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
@@ -7592,7 +7491,7 @@ static int __init volume_create_alsa_mixer(void)
sizeof(struct tpacpi_alsa_data), &card);
if (rc < 0 || !card) {
pr_err("Failed to create ALSA card structures: %d\n", rc);
- return 1;
+ return -ENODEV;
}
BUG_ON(!card->private_data);
@@ -7651,7 +7550,7 @@ static int __init volume_create_alsa_mixer(void)
err_exit:
snd_card_free(card);
- return 1;
+ return -ENODEV;
}
#define TPACPI_VOL_Q_MUTEONLY 0x0001 /* Mute-only control available */
@@ -7700,7 +7599,7 @@ static int __init volume_init(struct ibm_init_struct *iibm)
if (volume_mode == TPACPI_VOL_MODE_UCMS_STEP) {
pr_err("UCMS step volume mode not implemented, please contact %s\n",
TPACPI_MAIL);
- return 1;
+ return -ENODEV;
}
if (volume_capabilities >= TPACPI_VOL_CAP_MAX)
@@ -7713,7 +7612,7 @@ static int __init volume_init(struct ibm_init_struct *iibm)
if (!alsa_enable) {
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
"ALSA mixer disabled by parameter, not loading volume subdriver...\n");
- return 1;
+ return -ENODEV;
}
quirks = tpacpi_check_quirks(volume_quirk_table,
@@ -7726,7 +7625,7 @@ static int __init volume_init(struct ibm_init_struct *iibm)
else if (quirks & TPACPI_VOL_Q_LEVEL)
tp_features.mixer_no_level_control = 0;
else
- return 1; /* no mixer */
+ return -ENODEV; /* no mixer */
break;
case TPACPI_VOL_CAP_VOLMUTE:
tp_features.mixer_no_level_control = 0;
@@ -7735,7 +7634,7 @@ static int __init volume_init(struct ibm_init_struct *iibm)
tp_features.mixer_no_level_control = 1;
break;
default:
- return 1;
+ return -ENODEV;
}
if (volume_capabilities != TPACPI_VOL_CAP_AUTO)
@@ -7907,7 +7806,7 @@ static int __init volume_init(struct ibm_init_struct *iibm)
{
pr_info("volume: disabled as there is no ALSA support in this kernel\n");
- return 1;
+ return -ENODEV;
}
static struct ibm_struct volume_driver_data = {
@@ -8741,17 +8640,45 @@ static ssize_t fan_watchdog_store(struct device_driver *drv, const char *buf,
static DRIVER_ATTR_RW(fan_watchdog);
/* --------------------------------------------------------------------- */
+
static struct attribute *fan_attributes[] = {
- &dev_attr_pwm1_enable.attr, &dev_attr_pwm1.attr,
+ &dev_attr_pwm1_enable.attr,
+ &dev_attr_pwm1.attr,
&dev_attr_fan1_input.attr,
- NULL, /* for fan2_input */
+ &dev_attr_fan2_input.attr,
NULL
};
+static umode_t fan_attr_is_visible(struct kobject *kobj, struct attribute *attr,
+ int n)
+{
+ if (fan_status_access_mode == TPACPI_FAN_NONE &&
+ fan_control_access_mode == TPACPI_FAN_WR_NONE)
+ return 0;
+
+ if (attr == &dev_attr_fan2_input.attr) {
+ if (!tp_features.second_fan)
+ return 0;
+ }
+
+ return attr->mode;
+}
+
static const struct attribute_group fan_attr_group = {
+ .is_visible = fan_attr_is_visible,
.attrs = fan_attributes,
};
+static struct attribute *fan_driver_attributes[] = {
+ &driver_attr_fan_watchdog.attr,
+ NULL
+};
+
+static const struct attribute_group fan_driver_attr_group = {
+ .is_visible = fan_attr_is_visible,
+ .attrs = fan_driver_attributes,
+};
+
#define TPACPI_FAN_Q1 0x0001 /* Unitialized HFSP */
#define TPACPI_FAN_2FAN 0x0002 /* EC 0x31 bit 0 selects fan2 */
#define TPACPI_FAN_2CTL 0x0004 /* selects fan2 control */
@@ -8779,7 +8706,6 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
static int __init fan_init(struct ibm_init_struct *iibm)
{
- int rc;
unsigned long quirks;
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
@@ -8826,7 +8752,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
}
} else {
pr_err("ThinkPad ACPI EC access misbehaving, fan status and control unavailable\n");
- return 1;
+ return -ENODEV;
}
}
@@ -8875,28 +8801,11 @@ static int __init fan_init(struct ibm_init_struct *iibm)
if (fan_status_access_mode != TPACPI_FAN_NONE)
fan_get_status_safe(NULL);
- if (fan_status_access_mode != TPACPI_FAN_NONE ||
- fan_control_access_mode != TPACPI_FAN_WR_NONE) {
- if (tp_features.second_fan) {
- /* attach second fan tachometer */
- fan_attributes[ARRAY_SIZE(fan_attributes)-2] =
- &dev_attr_fan2_input.attr;
- }
- rc = sysfs_create_group(&tpacpi_hwmon->kobj,
- &fan_attr_group);
- if (rc < 0)
- return rc;
+ if (fan_status_access_mode == TPACPI_FAN_NONE &&
+ fan_control_access_mode == TPACPI_FAN_WR_NONE)
+ return -ENODEV;
- rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
- &driver_attr_fan_watchdog);
- if (rc < 0) {
- sysfs_remove_group(&tpacpi_hwmon->kobj,
- &fan_attr_group);
- return rc;
- }
- return 0;
- } else
- return 1;
+ return 0;
}
static void fan_exit(void)
@@ -8904,11 +8813,6 @@ static void fan_exit(void)
vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_FAN,
"cancelling any pending fan watchdog tasks\n");
- /* FIXME: can we really do this unconditionally? */
- sysfs_remove_group(&tpacpi_hwmon->kobj, &fan_attr_group);
- driver_remove_file(&tpacpi_hwmon_pdriver.driver,
- &driver_attr_fan_watchdog);
-
cancel_delayed_work(&fan_watchdog_task);
flush_workqueue(tpacpi_wq);
}
@@ -9326,6 +9230,10 @@ static struct ibm_struct mute_led_driver_data = {
#define SET_START "BCCS"
#define GET_STOP "BCSG"
#define SET_STOP "BCSS"
+#define GET_DISCHARGE "BDSG"
+#define SET_DISCHARGE "BDSS"
+#define GET_INHIBIT "BICG"
+#define SET_INHIBIT "BICS"
enum {
BAT_ANY = 0,
@@ -9342,6 +9250,8 @@ enum {
/* This is used in the get/set helpers */
THRESHOLD_START,
THRESHOLD_STOP,
+ FORCE_DISCHARGE,
+ INHIBIT_CHARGE,
};
struct tpacpi_battery_data {
@@ -9349,6 +9259,7 @@ struct tpacpi_battery_data {
int start_support;
int charge_stop;
int stop_support;
+ unsigned int charge_behaviours;
};
struct tpacpi_battery_driver_data {
@@ -9406,6 +9317,18 @@ static int tpacpi_battery_get(int what, int battery, int *ret)
if (*ret == 0)
*ret = 100;
return 0;
+ case FORCE_DISCHARGE:
+ if ACPI_FAILURE(tpacpi_battery_acpi_eval(GET_DISCHARGE, ret, battery))
+ return -ENODEV;
+ /* The force discharge status is in bit 0 */
+ *ret = *ret & 0x01;
+ return 0;
+ case INHIBIT_CHARGE:
+ if ACPI_FAILURE(tpacpi_battery_acpi_eval(GET_INHIBIT, ret, battery))
+ return -ENODEV;
+ /* The inhibit charge status is in bit 0 */
+ *ret = *ret & 0x01;
+ return 0;
default:
pr_crit("wrong parameter: %d", what);
return -EINVAL;
@@ -9434,12 +9357,65 @@ static int tpacpi_battery_set(int what, int battery, int value)
return -ENODEV;
}
return 0;
+ case FORCE_DISCHARGE:
+ /* Force discharge is in bit 0,
+ * break on AC attach is in bit 1 (won't work on some ThinkPads),
+ * battery ID is in bits 8-9, 2 bits.
+ */
+ if (ACPI_FAILURE(tpacpi_battery_acpi_eval(SET_DISCHARGE, &ret, param))) {
+ pr_err("failed to set force discharge on %d", battery);
+ return -ENODEV;
+ }
+ return 0;
+ case INHIBIT_CHARGE:
+ /* When setting inhibit charge, we set a default value of
+ * always breaking on AC detach and the effective time is set to
+ * be permanent.
+ * The battery ID is in bits 4-5, 2 bits,
+ * the effective time is in bits 8-23, 2 bytes.
+ * A time of FFFF indicates forever.
+ */
+ param = value;
+ param |= battery << 4;
+ param |= 0xFFFF << 8;
+ if (ACPI_FAILURE(tpacpi_battery_acpi_eval(SET_INHIBIT, &ret, param))) {
+ pr_err("failed to set inhibit charge on %d", battery);
+ return -ENODEV;
+ }
+ return 0;
default:
pr_crit("wrong parameter: %d", what);
return -EINVAL;
}
}
+static int tpacpi_battery_set_validate(int what, int battery, int value)
+{
+ int ret, v;
+
+ ret = tpacpi_battery_set(what, battery, value);
+ if (ret < 0)
+ return ret;
+
+ ret = tpacpi_battery_get(what, battery, &v);
+ if (ret < 0)
+ return ret;
+
+ if (v == value)
+ return 0;
+
+ msleep(500);
+
+ ret = tpacpi_battery_get(what, battery, &v);
+ if (ret < 0)
+ return ret;
+
+ if (v == value)
+ return 0;
+
+ return -EIO;
+}
+
static int tpacpi_battery_probe(int battery)
{
int ret = 0;
@@ -9452,6 +9428,10 @@ static int tpacpi_battery_probe(int battery)
* 2) Check for support
* 3) Get the current stop threshold
* 4) Check for support
+ * 5) Get the current force discharge status
+ * 6) Check for support
+ * 7) Get the current inhibit charge status
+ * 8) Check for support
*/
if (acpi_has_method(hkey_handle, GET_START)) {
if ACPI_FAILURE(tpacpi_battery_acpi_eval(GET_START, &ret, battery)) {
@@ -9488,10 +9468,35 @@ static int tpacpi_battery_probe(int battery)
return -ENODEV;
}
}
- pr_info("battery %d registered (start %d, stop %d)",
- battery,
- battery_info.batteries[battery].charge_start,
- battery_info.batteries[battery].charge_stop);
+ if (acpi_has_method(hkey_handle, GET_DISCHARGE)) {
+ if (ACPI_FAILURE(tpacpi_battery_acpi_eval(GET_DISCHARGE, &ret, battery))) {
+ pr_err("Error probing battery discharge; %d\n", battery);
+ return -ENODEV;
+ }
+ /* Support is marked in bit 8 */
+ if (ret & BIT(8))
+ battery_info.batteries[battery].charge_behaviours |=
+ BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE);
+ }
+ if (acpi_has_method(hkey_handle, GET_INHIBIT)) {
+ if (ACPI_FAILURE(tpacpi_battery_acpi_eval(GET_INHIBIT, &ret, battery))) {
+ pr_err("Error probing battery inhibit charge; %d\n", battery);
+ return -ENODEV;
+ }
+ /* Support is marked in bit 5 */
+ if (ret & BIT(5))
+ battery_info.batteries[battery].charge_behaviours |=
+ BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE);
+ }
+
+ battery_info.batteries[battery].charge_behaviours |=
+ BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO);
+
+ pr_info("battery %d registered (start %d, stop %d, behaviours: 0x%x)\n",
+ battery,
+ battery_info.batteries[battery].charge_start,
+ battery_info.batteries[battery].charge_stop,
+ battery_info.batteries[battery].charge_behaviours);
return 0;
}
@@ -9626,6 +9631,40 @@ static ssize_t charge_control_end_threshold_show(struct device *device,
return tpacpi_battery_show(THRESHOLD_STOP, device, buf);
}
+static ssize_t charge_behaviour_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ enum power_supply_charge_behaviour active = POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO;
+ struct power_supply *supply = to_power_supply(dev);
+ unsigned int available;
+ int ret, battery;
+
+ battery = tpacpi_battery_get_id(supply->desc->name);
+ available = battery_info.batteries[battery].charge_behaviours;
+
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE)) {
+ if (tpacpi_battery_get(FORCE_DISCHARGE, battery, &ret))
+ return -ENODEV;
+ if (ret) {
+ active = POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE;
+ goto out;
+ }
+ }
+
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE)) {
+ if (tpacpi_battery_get(INHIBIT_CHARGE, battery, &ret))
+ return -ENODEV;
+ if (ret) {
+ active = POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE;
+ goto out;
+ }
+ }
+
+out:
+ return power_supply_charge_behaviour_show(dev, available, active, buf);
+}
+
static ssize_t charge_control_start_threshold_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
@@ -9640,8 +9679,55 @@ static ssize_t charge_control_end_threshold_store(struct device *dev,
return tpacpi_battery_store(THRESHOLD_STOP, dev, buf, count);
}
+static ssize_t charge_behaviour_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct power_supply *supply = to_power_supply(dev);
+ int selected, battery, ret = 0;
+ unsigned int available;
+
+ battery = tpacpi_battery_get_id(supply->desc->name);
+ available = battery_info.batteries[battery].charge_behaviours;
+ selected = power_supply_charge_behaviour_parse(available, buf);
+
+ if (selected < 0)
+ return selected;
+
+ switch (selected) {
+ case POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO:
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE))
+ ret = tpacpi_battery_set_validate(FORCE_DISCHARGE, battery, 0);
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE))
+ ret = min(ret, tpacpi_battery_set_validate(INHIBIT_CHARGE, battery, 0));
+ if (ret < 0)
+ return ret;
+ break;
+ case POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE:
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE))
+ ret = tpacpi_battery_set_validate(INHIBIT_CHARGE, battery, 0);
+ ret = min(ret, tpacpi_battery_set_validate(FORCE_DISCHARGE, battery, 1));
+ if (ret < 0)
+ return ret;
+ break;
+ case POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE:
+ if (available & BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE))
+ ret = tpacpi_battery_set_validate(FORCE_DISCHARGE, battery, 0);
+ ret = min(ret, tpacpi_battery_set_validate(INHIBIT_CHARGE, battery, 1));
+ if (ret < 0)
+ return ret;
+ break;
+ default:
+ dev_err(dev, "Unexpected charge behaviour: %d\n", selected);
+ return -EINVAL;
+ }
+
+ return count;
+}
+
static DEVICE_ATTR_RW(charge_control_start_threshold);
static DEVICE_ATTR_RW(charge_control_end_threshold);
+static DEVICE_ATTR_RW(charge_behaviour);
static struct device_attribute dev_attr_charge_start_threshold = __ATTR(
charge_start_threshold,
0644,
@@ -9660,6 +9746,7 @@ static struct attribute *tpacpi_battery_attrs[] = {
&dev_attr_charge_control_end_threshold.attr,
&dev_attr_charge_start_threshold.attr,
&dev_attr_charge_stop_threshold.attr,
+ &dev_attr_charge_behaviour.attr,
NULL,
};
@@ -9884,33 +9971,6 @@ static int dytc_command(int command, int *output)
return 0;
}
-static int dytc_get_version(void)
-{
- int err, output;
-
- /* Check if we've been called before - and just return cached value */
- if (dytc_version)
- return dytc_version;
-
- /* Otherwise query DYTC and extract version information */
- err = dytc_command(DYTC_CMD_QUERY, &output);
- /*
- * If support isn't available (ENODEV) then don't return an error
- * and don't create the sysfs group
- */
- if (err == -ENODEV)
- return 0;
- /* For all other errors we can flag the failure */
- if (err)
- return err;
-
- /* Check DYTC is enabled and supports mode setting */
- if (output & BIT(DYTC_QUERY_ENABLE_BIT))
- dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF;
-
- return 0;
-}
-
static int lapsensor_get(bool *present, bool *state)
{
int output, err;
@@ -9993,59 +10053,55 @@ static ssize_t palmsensor_show(struct device *dev,
}
static DEVICE_ATTR_RO(palmsensor);
+static struct attribute *proxsensor_attributes[] = {
+ &dev_attr_dytc_lapmode.attr,
+ &dev_attr_palmsensor.attr,
+ NULL
+};
+
+static umode_t proxsensor_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ if (attr == &dev_attr_dytc_lapmode.attr) {
+ /*
+ * Platforms before DYTC version 5 claim to have a lap sensor,
+ * but it doesn't work, so we ignore them.
+ */
+ if (!has_lapsensor || dytc_version < 5)
+ return 0;
+ } else if (attr == &dev_attr_palmsensor.attr) {
+ if (!has_palmsensor)
+ return 0;
+ }
+
+ return attr->mode;
+}
+
+static const struct attribute_group proxsensor_attr_group = {
+ .is_visible = proxsensor_attr_is_visible,
+ .attrs = proxsensor_attributes,
+};
+
static int tpacpi_proxsensor_init(struct ibm_init_struct *iibm)
{
- int palm_err, lap_err, err;
+ int palm_err, lap_err;
palm_err = palmsensor_get(&has_palmsensor, &palm_state);
lap_err = lapsensor_get(&has_lapsensor, &lap_state);
- /*
- * If support isn't available (ENODEV) for both devices then quit, but
- * don't return an error.
- */
+ /* If support isn't available for both devices return -ENODEV */
if ((palm_err == -ENODEV) && (lap_err == -ENODEV))
- return 0;
+ return -ENODEV;
/* Otherwise, if there was an error return it */
if (palm_err && (palm_err != -ENODEV))
return palm_err;
if (lap_err && (lap_err != -ENODEV))
return lap_err;
- if (has_palmsensor) {
- err = sysfs_create_file(&tpacpi_pdev->dev.kobj, &dev_attr_palmsensor.attr);
- if (err)
- return err;
- }
-
- /* Check if we know the DYTC version, if we don't then get it */
- if (!dytc_version) {
- err = dytc_get_version();
- if (err)
- return err;
- }
- /*
- * Platforms before DYTC version 5 claim to have a lap sensor, but it doesn't work, so we
- * ignore them
- */
- if (has_lapsensor && (dytc_version >= 5)) {
- err = sysfs_create_file(&tpacpi_pdev->dev.kobj, &dev_attr_dytc_lapmode.attr);
- if (err)
- return err;
- }
return 0;
}
-static void proxsensor_exit(void)
-{
- if (has_lapsensor)
- sysfs_remove_file(&tpacpi_pdev->dev.kobj, &dev_attr_dytc_lapmode.attr);
- if (has_palmsensor)
- sysfs_remove_file(&tpacpi_pdev->dev.kobj, &dev_attr_palmsensor.attr);
-}
-
static struct ibm_struct proxsensor_driver_data = {
.name = "proximity-sensor",
- .exit = proxsensor_exit,
};
/*************************************************************************
@@ -10084,7 +10140,6 @@ static struct ibm_struct proxsensor_driver_data = {
#define DYTC_ENABLE_CQL DYTC_SET_COMMAND(DYTC_FUNCTION_CQL, DYTC_MODE_BALANCE, 1)
-static bool dytc_profile_available;
static enum platform_profile_option dytc_current_profile;
static atomic_t dytc_ignore_event = ATOMIC_INIT(0);
static DEFINE_MUTEX(dytc_mutex);
@@ -10188,9 +10243,6 @@ static int dytc_profile_set(struct platform_profile_handler *pprof,
int output;
int err;
- if (!dytc_profile_available)
- return -ENODEV;
-
err = mutex_lock_interruptible(&dytc_mutex);
if (err)
return err;
@@ -10261,60 +10313,47 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
set_bit(PLATFORM_PROFILE_BALANCED, dytc_profile.choices);
set_bit(PLATFORM_PROFILE_PERFORMANCE, dytc_profile.choices);
- dytc_profile_available = false;
err = dytc_command(DYTC_CMD_QUERY, &output);
- /*
- * If support isn't available (ENODEV) then don't return an error
- * and don't create the sysfs group
- */
- if (err == -ENODEV)
- return 0;
- /* For all other errors we can flag the failure */
if (err)
return err;
- /* Check if we know the DYTC version, if we don't then get it */
- if (!dytc_version) {
- err = dytc_get_version();
- if (err)
- return err;
- }
+ if (output & BIT(DYTC_QUERY_ENABLE_BIT))
+ dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF;
+
/* Check DYTC is enabled and supports mode setting */
- if (dytc_version >= 5) {
- dbg_printk(TPACPI_DBG_INIT,
- "DYTC version %d: thermal mode available\n", dytc_version);
- /*
- * Check if MMC_GET functionality available
- * Version > 6 and return success from MMC_GET command
- */
- dytc_mmc_get_available = false;
- if (dytc_version >= 6) {
- err = dytc_command(DYTC_CMD_MMC_GET, &output);
- if (!err && ((output & DYTC_ERR_MASK) == DYTC_ERR_SUCCESS))
- dytc_mmc_get_available = true;
- }
- /* Create platform_profile structure and register */
- err = platform_profile_register(&dytc_profile);
- /*
- * If for some reason platform_profiles aren't enabled
- * don't quit terminally.
- */
- if (err)
- return 0;
+ if (dytc_version < 5)
+ return -ENODEV;
- dytc_profile_available = true;
- /* Ensure initial values are correct */
- dytc_profile_refresh();
+ dbg_printk(TPACPI_DBG_INIT,
+ "DYTC version %d: thermal mode available\n", dytc_version);
+ /*
+ * Check if MMC_GET functionality available
+ * Version > 6 and return success from MMC_GET command
+ */
+ dytc_mmc_get_available = false;
+ if (dytc_version >= 6) {
+ err = dytc_command(DYTC_CMD_MMC_GET, &output);
+ if (!err && ((output & DYTC_ERR_MASK) == DYTC_ERR_SUCCESS))
+ dytc_mmc_get_available = true;
}
+ /* Create platform_profile structure and register */
+ err = platform_profile_register(&dytc_profile);
+ /*
+ * If for some reason platform_profiles aren't enabled
+ * don't quit terminally.
+ */
+ if (err)
+ return -ENODEV;
+
+ /* Ensure initial values are correct */
+ dytc_profile_refresh();
+
return 0;
}
static void dytc_profile_exit(void)
{
- if (dytc_profile_available) {
- dytc_profile_available = false;
- platform_profile_remove();
- }
+ platform_profile_remove();
}
static struct ibm_struct dytc_profile_driver_data = {
@@ -10462,7 +10501,14 @@ static struct attribute *kbdlang_attributes[] = {
NULL
};
+static umode_t kbdlang_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ return tp_features.kbd_lang ? attr->mode : 0;
+}
+
static const struct attribute_group kbdlang_attr_group = {
+ .is_visible = kbdlang_attr_is_visible,
.attrs = kbdlang_attributes,
};
@@ -10471,28 +10517,12 @@ static int tpacpi_kbdlang_init(struct ibm_init_struct *iibm)
int err, output;
err = get_keyboard_lang(&output);
- /*
- * If support isn't available (ENODEV) then don't return an error
- * just don't create the sysfs group.
- */
- if (err == -ENODEV)
- return 0;
-
- if (err)
- return err;
-
- /* Platform supports this feature - create the sysfs file */
- return sysfs_create_group(&tpacpi_pdev->dev.kobj, &kbdlang_attr_group);
-}
-
-static void kbdlang_exit(void)
-{
- sysfs_remove_group(&tpacpi_pdev->dev.kobj, &kbdlang_attr_group);
+ tp_features.kbd_lang = !err;
+ return err;
}
static struct ibm_struct kbdlang_driver_data = {
.name = "kbdlang",
- .exit = kbdlang_exit,
};
/*************************************************************************
@@ -10563,41 +10593,134 @@ static ssize_t wwan_antenna_type_show(struct device *dev,
}
static DEVICE_ATTR_RO(wwan_antenna_type);
-static int tpacpi_dprc_init(struct ibm_init_struct *iibm)
+static struct attribute *dprc_attributes[] = {
+ &dev_attr_wwan_antenna_type.attr,
+ NULL
+};
+
+static umode_t dprc_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
{
- int wwanantenna_err, err;
+ return has_antennatype ? attr->mode : 0;
+}
- wwanantenna_err = get_wwan_antenna(&wwan_antennatype);
- /*
- * If support isn't available (ENODEV) then quit, but don't
- * return an error.
- */
- if (wwanantenna_err == -ENODEV)
- return 0;
+static const struct attribute_group dprc_attr_group = {
+ .is_visible = dprc_attr_is_visible,
+ .attrs = dprc_attributes,
+};
+
+static int tpacpi_dprc_init(struct ibm_init_struct *iibm)
+{
+ int err;
- /* if there was an error return it */
- if (wwanantenna_err && (wwanantenna_err != -ENODEV))
- return wwanantenna_err;
- else if (!wwanantenna_err)
- has_antennatype = true;
+ err = get_wwan_antenna(&wwan_antennatype);
+ if (err)
+ return err;
- if (has_antennatype) {
- err = sysfs_create_file(&tpacpi_pdev->dev.kobj, &dev_attr_wwan_antenna_type.attr);
- if (err)
- return err;
- }
+ has_antennatype = true;
return 0;
}
-static void dprc_exit(void)
+static struct ibm_struct dprc_driver_data = {
+ .name = "dprc",
+};
+
+/* --------------------------------------------------------------------- */
+
+static struct attribute *tpacpi_driver_attributes[] = {
+ &driver_attr_debug_level.attr,
+ &driver_attr_version.attr,
+ &driver_attr_interface_version.attr,
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ &driver_attr_wlsw_emulstate.attr,
+ &driver_attr_bluetooth_emulstate.attr,
+ &driver_attr_wwan_emulstate.attr,
+ &driver_attr_uwb_emulstate.attr,
+#endif
+ NULL
+};
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+static umode_t tpacpi_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
{
- if (has_antennatype)
- sysfs_remove_file(&tpacpi_pdev->dev.kobj, &dev_attr_wwan_antenna_type.attr);
+ if (attr == &driver_attr_wlsw_emulstate.attr) {
+ if (!dbg_wlswemul)
+ return 0;
+ } else if (attr == &driver_attr_bluetooth_emulstate.attr) {
+ if (!dbg_bluetoothemul)
+ return 0;
+ } else if (attr == &driver_attr_wwan_emulstate.attr) {
+ if (!dbg_wwanemul)
+ return 0;
+ } else if (attr == &driver_attr_uwb_emulstate.attr) {
+ if (!dbg_uwbemul)
+ return 0;
+ }
+
+ return attr->mode;
}
+#endif
-static struct ibm_struct dprc_driver_data = {
- .name = "dprc",
- .exit = dprc_exit,
+static const struct attribute_group tpacpi_driver_attr_group = {
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ .is_visible = tpacpi_attr_is_visible,
+#endif
+ .attrs = tpacpi_driver_attributes,
+};
+
+static const struct attribute_group *tpacpi_driver_groups[] = {
+ &tpacpi_driver_attr_group,
+ NULL,
+};
+
+static const struct attribute_group *tpacpi_groups[] = {
+ &adaptive_kbd_attr_group,
+ &hotkey_attr_group,
+ &bluetooth_attr_group,
+ &wan_attr_group,
+ &cmos_attr_group,
+ &proxsensor_attr_group,
+ &kbdlang_attr_group,
+ &dprc_attr_group,
+ NULL,
+};
+
+static const struct attribute_group *tpacpi_hwmon_groups[] = {
+ &thermal_attr_group,
+ &temp_label_attr_group,
+ &fan_attr_group,
+ NULL,
+};
+
+static const struct attribute_group *tpacpi_hwmon_driver_groups[] = {
+ &fan_driver_attr_group,
+ NULL,
+};
+
+/****************************************************************************
+ ****************************************************************************
+ *
+ * Platform drivers
+ *
+ ****************************************************************************
+ ****************************************************************************/
+
+static struct platform_driver tpacpi_pdriver = {
+ .driver = {
+ .name = TPACPI_DRVR_NAME,
+ .pm = &tpacpi_pm,
+ .groups = tpacpi_driver_groups,
+ .dev_groups = tpacpi_groups,
+ },
+ .shutdown = tpacpi_shutdown_handler,
+};
+
+static struct platform_driver tpacpi_hwmon_pdriver = {
+ .driver = {
+ .name = TPACPI_HWMON_DRVR_NAME,
+ .groups = tpacpi_hwmon_driver_groups,
+ },
};
/****************************************************************************
@@ -10754,8 +10877,8 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
if (iibm->init) {
ret = iibm->init(iibm);
- if (ret > 0)
- return 0; /* probe failed */
+ if (ret > 0 || ret == -ENODEV)
+ return 0; /* subdriver functionality not available */
if (ret)
return ret;
@@ -11134,8 +11257,6 @@ static int __init set_ibm_param(const char *val, const struct kernel_param *kp)
for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
ibm = ibms_init[i].data;
- WARN_ON(ibm == NULL);
-
if (!ibm || !ibm->name)
continue;
@@ -11247,6 +11368,13 @@ static void thinkpad_acpi_module_exit(void)
tpacpi_lifecycle = TPACPI_LIFE_EXITING;
+ if (tpacpi_hwmon)
+ hwmon_device_unregister(tpacpi_hwmon);
+ if (tp_features.sensors_pdrv_registered)
+ platform_driver_unregister(&tpacpi_hwmon_pdriver);
+ if (tp_features.platform_drv_registered)
+ platform_driver_unregister(&tpacpi_pdriver);
+
list_for_each_entry_safe_reverse(ibm, itmp,
&tpacpi_all_drivers,
all_drivers) {
@@ -11263,28 +11391,12 @@ static void thinkpad_acpi_module_exit(void)
kfree(hotkey_keycode_map);
}
- if (tpacpi_hwmon)
- hwmon_device_unregister(tpacpi_hwmon);
-
if (tpacpi_sensors_pdev)
platform_device_unregister(tpacpi_sensors_pdev);
if (tpacpi_pdev)
platform_device_unregister(tpacpi_pdev);
-
- if (tp_features.sensors_pdrv_attrs_registered)
- tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver);
- if (tp_features.platform_drv_attrs_registered)
- tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
-
- if (tp_features.sensors_pdrv_registered)
- platform_driver_unregister(&tpacpi_hwmon_pdriver);
-
- if (tp_features.platform_drv_registered)
- platform_driver_unregister(&tpacpi_pdriver);
-
if (proc_dir)
remove_proc_entry(TPACPI_PROC_DIR, acpi_root_dir);
-
if (tpacpi_wq)
destroy_workqueue(tpacpi_wq);
@@ -11336,36 +11448,6 @@ static int __init thinkpad_acpi_module_init(void)
return -ENODEV;
}
- ret = platform_driver_register(&tpacpi_pdriver);
- if (ret) {
- pr_err("unable to register main platform driver\n");
- thinkpad_acpi_module_exit();
- return ret;
- }
- tp_features.platform_drv_registered = 1;
-
- ret = platform_driver_register(&tpacpi_hwmon_pdriver);
- if (ret) {
- pr_err("unable to register hwmon platform driver\n");
- thinkpad_acpi_module_exit();
- return ret;
- }
- tp_features.sensors_pdrv_registered = 1;
-
- ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
- if (!ret) {
- tp_features.platform_drv_attrs_registered = 1;
- ret = tpacpi_create_driver_attributes(
- &tpacpi_hwmon_pdriver.driver);
- }
- if (ret) {
- pr_err("unable to create sysfs driver attributes\n");
- thinkpad_acpi_module_exit();
- return ret;
- }
- tp_features.sensors_pdrv_attrs_registered = 1;
-
-
/* Device initialization */
tpacpi_pdev = platform_device_register_simple(TPACPI_DRVR_NAME, -1,
NULL, 0);
@@ -11386,17 +11468,7 @@ static int __init thinkpad_acpi_module_init(void)
thinkpad_acpi_module_exit();
return ret;
}
- tp_features.sensors_pdev_attrs_registered = 1;
- tpacpi_hwmon = hwmon_device_register_with_groups(
- &tpacpi_sensors_pdev->dev, TPACPI_NAME, NULL, NULL);
- if (IS_ERR(tpacpi_hwmon)) {
- ret = PTR_ERR(tpacpi_hwmon);
- tpacpi_hwmon = NULL;
- pr_err("unable to register hwmon device\n");
- thinkpad_acpi_module_exit();
- return ret;
- }
mutex_init(&tpacpi_inputdev_send_mutex);
tpacpi_inputdev = input_allocate_device();
if (!tpacpi_inputdev) {
@@ -11429,6 +11501,32 @@ static int __init thinkpad_acpi_module_init(void)
tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
+ ret = platform_driver_register(&tpacpi_pdriver);
+ if (ret) {
+ pr_err("unable to register main platform driver\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ tp_features.platform_drv_registered = 1;
+
+ ret = platform_driver_register(&tpacpi_hwmon_pdriver);
+ if (ret) {
+ pr_err("unable to register hwmon platform driver\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+ tp_features.sensors_pdrv_registered = 1;
+
+ tpacpi_hwmon = hwmon_device_register_with_groups(
+ &tpacpi_sensors_pdev->dev, TPACPI_NAME, NULL, tpacpi_hwmon_groups);
+ if (IS_ERR(tpacpi_hwmon)) {
+ ret = PTR_ERR(tpacpi_hwmon);
+ tpacpi_hwmon = NULL;
+ pr_err("unable to register hwmon device\n");
+ thinkpad_acpi_module_exit();
+ return ret;
+ }
+
ret = input_register_device(tpacpi_inputdev);
if (ret < 0) {
pr_err("unable to register input device\n");
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 17dd54d4b783..494f23052678 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -107,6 +107,9 @@ static const struct property_entry chuwi_hi10_plus_props[] = {
PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10plus.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
PROPERTY_ENTRY_BOOL("silead,home-button"),
+ PROPERTY_ENTRY_BOOL("silead,pen-supported"),
+ PROPERTY_ENTRY_U32("silead,pen-resolution-x", 8),
+ PROPERTY_ENTRY_U32("silead,pen-resolution-y", 8),
{ }
};
@@ -124,15 +127,21 @@ static const struct ts_dmi_data chuwi_hi10_plus_data = {
.properties = chuwi_hi10_plus_props,
};
+static const u32 chuwi_hi10_pro_efi_min_max[] = { 8, 1911, 8, 1271 };
+
static const struct property_entry chuwi_hi10_pro_props[] = {
- PROPERTY_ENTRY_U32("touchscreen-min-x", 8),
- PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
- PROPERTY_ENTRY_U32("touchscreen-size-x", 1912),
- PROPERTY_ENTRY_U32("touchscreen-size-y", 1272),
+ PROPERTY_ENTRY_U32("touchscreen-min-x", 80),
+ PROPERTY_ENTRY_U32("touchscreen-min-y", 26),
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1962),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1254),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10-pro.fw"),
+ PROPERTY_ENTRY_U32_ARRAY("silead,efi-fw-min-max", chuwi_hi10_pro_efi_min_max),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
PROPERTY_ENTRY_BOOL("silead,home-button"),
+ PROPERTY_ENTRY_BOOL("silead,pen-supported"),
+ PROPERTY_ENTRY_U32("silead,pen-resolution-x", 8),
+ PROPERTY_ENTRY_U32("silead,pen-resolution-y", 8),
{ }
};
@@ -352,18 +361,6 @@ static const struct ts_dmi_data gdix1001_01_upside_down_data = {
.properties = gdix1001_upside_down_props,
};
-static const struct property_entry glavey_tm800a550l_props[] = {
- PROPERTY_ENTRY_STRING("firmware-name", "gt912-glavey-tm800a550l.fw"),
- PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-glavey-tm800a550l.cfg"),
- PROPERTY_ENTRY_U32("goodix,main-clk", 54),
- { }
-};
-
-static const struct ts_dmi_data glavey_tm800a550l_data = {
- .acpi_name = "GDIX1001:00",
- .properties = glavey_tm800a550l_props,
-};
-
static const struct property_entry gp_electronic_t701_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
@@ -1140,15 +1137,6 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"),
},
},
- { /* Glavey TM800A550L */
- .driver_data = (void *)&glavey_tm800a550l_data,
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
- DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
- /* Above strings are too generic, also match on BIOS version */
- DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
- },
- },
{
/* GP-electronic T701 */
.driver_data = (void *)&gp_electronic_t701_data,
diff --git a/drivers/platform/x86/uv_sysfs.c b/drivers/platform/x86/uv_sysfs.c
index 956a354b57c1..625b0b79d185 100644
--- a/drivers/platform/x86/uv_sysfs.c
+++ b/drivers/platform/x86/uv_sysfs.c
@@ -175,6 +175,7 @@ static struct attribute *uv_hub_attrs[] = {
&cnode_attribute.attr,
NULL,
};
+ATTRIBUTE_GROUPS(uv_hub);
static void hub_release(struct kobject *kobj)
{
@@ -205,7 +206,7 @@ static const struct sysfs_ops hub_sysfs_ops = {
static struct kobj_type hub_attr_type = {
.release = hub_release,
.sysfs_ops = &hub_sysfs_ops,
- .default_attrs = uv_hub_attrs,
+ .default_groups = uv_hub_groups,
};
static int uv_hubs_init(void)
@@ -327,6 +328,7 @@ static struct attribute *uv_port_attrs[] = {
&uv_port_conn_port_attribute.attr,
NULL,
};
+ATTRIBUTE_GROUPS(uv_port);
static void uv_port_release(struct kobject *kobj)
{
@@ -357,7 +359,7 @@ static const struct sysfs_ops uv_port_sysfs_ops = {
static struct kobj_type uv_port_attr_type = {
.release = uv_port_release,
.sysfs_ops = &uv_port_sysfs_ops,
- .default_attrs = uv_port_attrs,
+ .default_groups = uv_port_groups,
};
static int uv_ports_init(void)
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index c34341f4da76..58a23a9adbef 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -57,6 +57,11 @@ static_assert(sizeof(typeof_member(struct guid_block, guid)) == 16);
static_assert(sizeof(struct guid_block) == 20);
static_assert(__alignof__(struct guid_block) == 1);
+enum { /* wmi_block flags */
+ WMI_READ_TAKES_NO_ARGS,
+ WMI_PROBED,
+};
+
struct wmi_block {
struct wmi_device dev;
struct list_head list;
@@ -67,8 +72,7 @@ struct wmi_block {
wmi_notify_handler handler;
void *handler_data;
u64 req_buf_size;
-
- bool read_takes_no_args;
+ unsigned long flags;
};
@@ -367,7 +371,7 @@ static acpi_status __query_block(struct wmi_block *wblock, u8 instance,
wq_params[0].type = ACPI_TYPE_INTEGER;
wq_params[0].integer.value = instance;
- if (instance == 0 && wblock->read_takes_no_args)
+ if (instance == 0 && test_bit(WMI_READ_TAKES_NO_ARGS, &wblock->flags))
input.count = 0;
/*
@@ -1005,6 +1009,7 @@ static int wmi_dev_probe(struct device *dev)
}
}
+ set_bit(WMI_PROBED, &wblock->flags);
return 0;
probe_misc_failure:
@@ -1022,6 +1027,8 @@ static void wmi_dev_remove(struct device *dev)
struct wmi_block *wblock = dev_to_wblock(dev);
struct wmi_driver *wdriver = drv_to_wdrv(dev->driver);
+ clear_bit(WMI_PROBED, &wblock->flags);
+
if (wdriver->filter_callback) {
misc_deregister(&wblock->char_dev);
kfree(wblock->char_dev.name);
@@ -1113,7 +1120,7 @@ static int wmi_create_device(struct device *wmi_bus_dev,
* laptops, WQxx may not be a method at all.)
*/
if (info->type != ACPI_TYPE_METHOD || info->param_count == 0)
- wblock->read_takes_no_args = true;
+ set_bit(WMI_READ_TAKES_NO_ARGS, &wblock->flags);
kfree(info);
@@ -1319,15 +1326,17 @@ static void acpi_wmi_notify_handler(acpi_handle handle, u32 event,
return;
/* If a driver is bound, then notify the driver. */
- if (wblock->dev.dev.driver) {
+ if (test_bit(WMI_PROBED, &wblock->flags) && wblock->dev.dev.driver) {
struct wmi_driver *driver = drv_to_wdrv(wblock->dev.dev.driver);
struct acpi_buffer evdata = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_status status;
- status = get_event_data(wblock, &evdata);
- if (ACPI_FAILURE(status)) {
- dev_warn(&wblock->dev.dev, "failed to get event data\n");
- return;
+ if (!driver->no_notify_data) {
+ status = get_event_data(wblock, &evdata);
+ if (ACPI_FAILURE(status)) {
+ dev_warn(&wblock->dev.dev, "failed to get event data\n");
+ return;
+ }
}
if (driver->notify)
diff --git a/drivers/platform/x86/x86-android-tablets.c b/drivers/platform/x86/x86-android-tablets.c
new file mode 100644
index 000000000000..3ba63ad91b28
--- /dev/null
+++ b/drivers/platform/x86/x86-android-tablets.c
@@ -0,0 +1,870 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * DMI based code to deal with broken DSDTs on X86 tablets which ship with
+ * Android as (part of) the factory image. The factory kernels shipped on these
+ * devices typically have a bunch of things hardcoded, rather than specified
+ * in their DSDT.
+ *
+ * Copyright (C) 2021 Hans de Goede <hdegoede@redhat.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
+#include <linux/dmi.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/driver.h>
+#include <linux/gpio/machine.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+#include <linux/power/bq24190_charger.h>
+#include <linux/serdev.h>
+#include <linux/string.h>
+/* For gpio_get_desc() which is EXPORT_SYMBOL_GPL() */
+#include "../../gpio/gpiolib.h"
+
+/*
+ * Helper code to get Linux IRQ numbers given a description of the IRQ source
+ * (either IOAPIC index, or GPIO chip name + pin-number).
+ */
+enum x86_acpi_irq_type {
+ X86_ACPI_IRQ_TYPE_NONE,
+ X86_ACPI_IRQ_TYPE_APIC,
+ X86_ACPI_IRQ_TYPE_GPIOINT,
+ X86_ACPI_IRQ_TYPE_PMIC,
+};
+
+struct x86_acpi_irq_data {
+ char *chip; /* GPIO chip label (GPIOINT) or PMIC ACPI path (PMIC) */
+ enum x86_acpi_irq_type type;
+ enum irq_domain_bus_token domain;
+ int index;
+ int trigger; /* ACPI_EDGE_SENSITIVE / ACPI_LEVEL_SENSITIVE */
+ int polarity; /* ACPI_ACTIVE_HIGH / ACPI_ACTIVE_LOW / ACPI_ACTIVE_BOTH */
+};
+
+static int x86_acpi_irq_helper_gpiochip_find(struct gpio_chip *gc, void *data)
+{
+ return gc->label && !strcmp(gc->label, data);
+}
+
+static int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data)
+{
+ struct irq_fwspec fwspec = { };
+ struct irq_domain *domain;
+ struct acpi_device *adev;
+ struct gpio_desc *gpiod;
+ struct gpio_chip *chip;
+ unsigned int irq_type;
+ acpi_handle handle;
+ acpi_status status;
+ int irq, ret;
+
+ switch (data->type) {
+ case X86_ACPI_IRQ_TYPE_APIC:
+ irq = acpi_register_gsi(NULL, data->index, data->trigger, data->polarity);
+ if (irq < 0)
+ pr_err("error %d getting APIC IRQ %d\n", irq, data->index);
+
+ return irq;
+ case X86_ACPI_IRQ_TYPE_GPIOINT:
+ /* Like acpi_dev_gpio_irq_get(), but without parsing ACPI resources */
+ chip = gpiochip_find(data->chip, x86_acpi_irq_helper_gpiochip_find);
+ if (!chip) {
+ pr_err("error cannot find GPIO chip %s\n", data->chip);
+ return -ENODEV;
+ }
+
+ gpiod = gpiochip_get_desc(chip, data->index);
+ if (IS_ERR(gpiod)) {
+ ret = PTR_ERR(gpiod);
+ pr_err("error %d getting GPIO %s %d\n", ret, data->chip, data->index);
+ return ret;
+ }
+
+ irq = gpiod_to_irq(gpiod);
+ if (irq < 0) {
+ pr_err("error %d getting IRQ %s %d\n", irq, data->chip, data->index);
+ return irq;
+ }
+
+ irq_type = acpi_dev_get_irq_type(data->trigger, data->polarity);
+ if (irq_type != IRQ_TYPE_NONE && irq_type != irq_get_trigger_type(irq))
+ irq_set_irq_type(irq, irq_type);
+
+ return irq;
+ case X86_ACPI_IRQ_TYPE_PMIC:
+ status = acpi_get_handle(NULL, data->chip, &handle);
+ if (ACPI_FAILURE(status)) {
+ pr_err("error could not get %s handle\n", data->chip);
+ return -ENODEV;
+ }
+
+ acpi_bus_get_device(handle, &adev);
+ if (!adev) {
+ pr_err("error could not get %s adev\n", data->chip);
+ return -ENODEV;
+ }
+
+ fwspec.fwnode = acpi_fwnode_handle(adev);
+ domain = irq_find_matching_fwspec(&fwspec, data->domain);
+ if (!domain) {
+ pr_err("error could not find IRQ domain for %s\n", data->chip);
+ return -ENODEV;
+ }
+
+ return irq_create_mapping(domain, data->index);
+ default:
+ return 0;
+ }
+}
+
+struct x86_i2c_client_info {
+ struct i2c_board_info board_info;
+ char *adapter_path;
+ struct x86_acpi_irq_data irq_data;
+};
+
+struct x86_serdev_info {
+ const char *ctrl_hid;
+ const char *ctrl_uid;
+ const char *ctrl_devname;
+ /*
+ * ATM the serdev core only supports of or ACPI matching; and sofar all
+ * Android x86 tablets DSDTs have usable serdev nodes, but sometimes
+ * under the wrong controller. So we just tie the existing serdev ACPI
+ * node to the right controller.
+ */
+ const char *serdev_hid;
+};
+
+struct x86_dev_info {
+ const char * const *modules;
+ struct gpiod_lookup_table **gpiod_lookup_tables;
+ const struct x86_i2c_client_info *i2c_client_info;
+ const struct platform_device_info *pdev_info;
+ const struct x86_serdev_info *serdev_info;
+ int i2c_client_count;
+ int pdev_count;
+ int serdev_count;
+};
+
+/* Generic / shared bq24190 settings */
+static const char * const bq24190_suppliers[] = { "tusb1210-psy" };
+
+static const struct property_entry bq24190_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),
+ PROPERTY_ENTRY_BOOL("omit-battery-class"),
+ PROPERTY_ENTRY_BOOL("disable-reset"),
+ { }
+};
+
+static const struct software_node bq24190_node = {
+ .properties = bq24190_props,
+};
+
+/* For enableing the bq24190 5V boost based on id-pin */
+static struct regulator_consumer_supply intel_int3496_consumer = {
+ .supply = "vbus",
+ .dev_name = "intel-int3496",
+};
+
+static const struct regulator_init_data bq24190_vbus_init_data = {
+ .constraints = {
+ .name = "bq24190_vbus",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = &intel_int3496_consumer,
+ .num_consumer_supplies = 1,
+};
+
+static struct bq24190_platform_data bq24190_pdata = {
+ .regulator_init_data = &bq24190_vbus_init_data,
+};
+
+static const char * const bq24190_modules[] __initconst = {
+ "crystal_cove_charger", /* For the bq24190 IRQ */
+ "bq24190_charger", /* For the Vbus regulator for intel-int3496 */
+ NULL
+};
+
+/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */
+static const struct platform_device_info int3496_pdevs[] __initconst = {
+ {
+ /* For micro USB ID pin handling */
+ .name = "intel-int3496",
+ .id = PLATFORM_DEVID_NONE,
+ },
+};
+
+static struct gpiod_lookup_table int3496_gpo2_pin22_gpios = {
+ .dev_id = "intel-int3496",
+ .table = {
+ GPIO_LOOKUP("INT33FC:02", 22, "id", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
+/* Asus ME176C tablets have an Android factory img with everything hardcoded */
+static const char * const asus_me176c_accel_mount_matrix[] = {
+ "-1", "0", "0",
+ "0", "1", "0",
+ "0", "0", "1"
+};
+
+static const struct property_entry asus_me176c_accel_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_me176c_accel_mount_matrix),
+ { }
+};
+
+static const struct software_node asus_me176c_accel_node = {
+ .properties = asus_me176c_accel_props,
+};
+
+static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = {
+ {
+ /* bq24190 battery charger */
+ .board_info = {
+ .type = "bq24190",
+ .addr = 0x6b,
+ .dev_name = "bq24190",
+ .swnode = &bq24190_node,
+ .platform_data = &bq24190_pdata,
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_PMIC,
+ .chip = "\\_SB_.I2C7.PMIC",
+ .domain = DOMAIN_BUS_WAKEUP,
+ .index = 0,
+ },
+ }, {
+ /* ug3105 battery monitor */
+ .board_info = {
+ .type = "ug3105",
+ .addr = 0x70,
+ .dev_name = "ug3105",
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ }, {
+ /* ak09911 compass */
+ .board_info = {
+ .type = "ak09911",
+ .addr = 0x0c,
+ .dev_name = "ak09911",
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* kxtj21009 accel */
+ .board_info = {
+ .type = "kxtj21009",
+ .addr = 0x0f,
+ .dev_name = "kxtj21009",
+ .swnode = &asus_me176c_accel_node,
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* goodix touchscreen */
+ .board_info = {
+ .type = "GDIX1001:00",
+ .addr = 0x14,
+ .dev_name = "goodix_ts",
+ },
+ .adapter_path = "\\_SB_.I2C6",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_APIC,
+ .index = 0x45,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_LOW,
+ },
+ },
+};
+
+static const struct x86_serdev_info asus_me176c_serdevs[] __initconst = {
+ {
+ .ctrl_hid = "80860F0A",
+ .ctrl_uid = "2",
+ .ctrl_devname = "serial0",
+ .serdev_hid = "BCM2E3A",
+ },
+};
+
+static struct gpiod_lookup_table asus_me176c_goodix_gpios = {
+ .dev_id = "i2c-goodix_ts",
+ .table = {
+ GPIO_LOOKUP("INT33FC:00", 60, "reset", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 28, "irq", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
+static struct gpiod_lookup_table *asus_me176c_gpios[] = {
+ &int3496_gpo2_pin22_gpios,
+ &asus_me176c_goodix_gpios,
+ NULL
+};
+
+static const struct x86_dev_info asus_me176c_info __initconst = {
+ .i2c_client_info = asus_me176c_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(asus_me176c_i2c_clients),
+ .pdev_info = int3496_pdevs,
+ .pdev_count = ARRAY_SIZE(int3496_pdevs),
+ .serdev_info = asus_me176c_serdevs,
+ .serdev_count = ARRAY_SIZE(asus_me176c_serdevs),
+ .gpiod_lookup_tables = asus_me176c_gpios,
+ .modules = bq24190_modules,
+};
+
+/* Asus TF103C tablets have an Android factory img with everything hardcoded */
+static const char * const asus_tf103c_accel_mount_matrix[] = {
+ "0", "-1", "0",
+ "-1", "0", "0",
+ "0", "0", "1"
+};
+
+static const struct property_entry asus_tf103c_accel_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", asus_tf103c_accel_mount_matrix),
+ { }
+};
+
+static const struct software_node asus_tf103c_accel_node = {
+ .properties = asus_tf103c_accel_props,
+};
+
+static const struct property_entry asus_tf103c_touchscreen_props[] = {
+ PROPERTY_ENTRY_STRING("compatible", "atmel,atmel_mxt_ts"),
+ { }
+};
+
+static const struct software_node asus_tf103c_touchscreen_node = {
+ .properties = asus_tf103c_touchscreen_props,
+};
+
+static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = {
+ {
+ /* bq24190 battery charger */
+ .board_info = {
+ .type = "bq24190",
+ .addr = 0x6b,
+ .dev_name = "bq24190",
+ .swnode = &bq24190_node,
+ .platform_data = &bq24190_pdata,
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_PMIC,
+ .chip = "\\_SB_.I2C7.PMIC",
+ .domain = DOMAIN_BUS_WAKEUP,
+ .index = 0,
+ },
+ }, {
+ /* ug3105 battery monitor */
+ .board_info = {
+ .type = "ug3105",
+ .addr = 0x70,
+ .dev_name = "ug3105",
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ }, {
+ /* ak09911 compass */
+ .board_info = {
+ .type = "ak09911",
+ .addr = 0x0c,
+ .dev_name = "ak09911",
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* kxtj21009 accel */
+ .board_info = {
+ .type = "kxtj21009",
+ .addr = 0x0f,
+ .dev_name = "kxtj21009",
+ .swnode = &asus_tf103c_accel_node,
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* atmel touchscreen */
+ .board_info = {
+ .type = "atmel_mxt_ts",
+ .addr = 0x4a,
+ .dev_name = "atmel_mxt_ts",
+ .swnode = &asus_tf103c_touchscreen_node,
+ },
+ .adapter_path = "\\_SB_.I2C6",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_GPIOINT,
+ .chip = "INT33FC:02",
+ .index = 28,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_LOW,
+ },
+ },
+};
+
+static struct gpiod_lookup_table *asus_tf103c_gpios[] = {
+ &int3496_gpo2_pin22_gpios,
+ NULL
+};
+
+static const struct x86_dev_info asus_tf103c_info __initconst = {
+ .i2c_client_info = asus_tf103c_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(asus_tf103c_i2c_clients),
+ .pdev_info = int3496_pdevs,
+ .pdev_count = ARRAY_SIZE(int3496_pdevs),
+ .gpiod_lookup_tables = asus_tf103c_gpios,
+ .modules = bq24190_modules,
+};
+
+/*
+ * When booted with the BIOS set to Android mode the Chuwi Hi8 (CWI509) DSDT
+ * contains a whole bunch of bogus ACPI I2C devices and is missing entries
+ * for the touchscreen and the accelerometer.
+ */
+static const struct property_entry chuwi_hi8_gsl1680_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
+ PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
+ PROPERTY_ENTRY_BOOL("silead,home-button"),
+ PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
+ { }
+};
+
+static const struct software_node chuwi_hi8_gsl1680_node = {
+ .properties = chuwi_hi8_gsl1680_props,
+};
+
+static const char * const chuwi_hi8_mount_matrix[] = {
+ "1", "0", "0",
+ "0", "-1", "0",
+ "0", "0", "1"
+};
+
+static const struct property_entry chuwi_hi8_bma250e_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", chuwi_hi8_mount_matrix),
+ { }
+};
+
+static const struct software_node chuwi_hi8_bma250e_node = {
+ .properties = chuwi_hi8_bma250e_props,
+};
+
+static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = {
+ {
+ /* Silead touchscreen */
+ .board_info = {
+ .type = "gsl1680",
+ .addr = 0x40,
+ .swnode = &chuwi_hi8_gsl1680_node,
+ },
+ .adapter_path = "\\_SB_.I2C4",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_APIC,
+ .index = 0x44,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_HIGH,
+ },
+ }, {
+ /* BMA250E accelerometer */
+ .board_info = {
+ .type = "bma250e",
+ .addr = 0x18,
+ .swnode = &chuwi_hi8_bma250e_node,
+ },
+ .adapter_path = "\\_SB_.I2C3",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_GPIOINT,
+ .chip = "INT33FC:02",
+ .index = 23,
+ .trigger = ACPI_LEVEL_SENSITIVE,
+ .polarity = ACPI_ACTIVE_HIGH,
+ },
+ },
+};
+
+static const struct x86_dev_info chuwi_hi8_info __initconst = {
+ .i2c_client_info = chuwi_hi8_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(chuwi_hi8_i2c_clients),
+};
+
+/*
+ * Whitelabel (sold as various brands) TM800A550L tablets.
+ * These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices
+ * (removed through acpi_quirk_skip_i2c_client_enumeration()) and
+ * the touchscreen fwnode has the wrong GPIOs.
+ */
+static const char * const whitelabel_tm800a550l_accel_mount_matrix[] = {
+ "-1", "0", "0",
+ "0", "1", "0",
+ "0", "0", "1"
+};
+
+static const struct property_entry whitelabel_tm800a550l_accel_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", whitelabel_tm800a550l_accel_mount_matrix),
+ { }
+};
+
+static const struct software_node whitelabel_tm800a550l_accel_node = {
+ .properties = whitelabel_tm800a550l_accel_props,
+};
+
+static const struct property_entry whitelabel_tm800a550l_goodix_props[] = {
+ PROPERTY_ENTRY_STRING("firmware-name", "gt912-tm800a550l.fw"),
+ PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-tm800a550l.cfg"),
+ PROPERTY_ENTRY_U32("goodix,main-clk", 54),
+ { }
+};
+
+static const struct software_node whitelabel_tm800a550l_goodix_node = {
+ .properties = whitelabel_tm800a550l_goodix_props,
+};
+
+static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __initconst = {
+ {
+ /* goodix touchscreen */
+ .board_info = {
+ .type = "GDIX1001:00",
+ .addr = 0x14,
+ .dev_name = "goodix_ts",
+ .swnode = &whitelabel_tm800a550l_goodix_node,
+ },
+ .adapter_path = "\\_SB_.I2C2",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_APIC,
+ .index = 0x44,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_HIGH,
+ },
+ }, {
+ /* kxcj91008 accel */
+ .board_info = {
+ .type = "kxcj91008",
+ .addr = 0x0f,
+ .dev_name = "kxcj91008",
+ .swnode = &whitelabel_tm800a550l_accel_node,
+ },
+ .adapter_path = "\\_SB_.I2C3",
+ },
+};
+
+static struct gpiod_lookup_table whitelabel_tm800a550l_goodix_gpios = {
+ .dev_id = "i2c-goodix_ts",
+ .table = {
+ GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 3, "irq", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
+static struct gpiod_lookup_table *whitelabel_tm800a550l_gpios[] = {
+ &whitelabel_tm800a550l_goodix_gpios,
+ NULL
+};
+
+static const struct x86_dev_info whitelabel_tm800a550l_info __initconst = {
+ .i2c_client_info = whitelabel_tm800a550l_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(whitelabel_tm800a550l_i2c_clients),
+ .gpiod_lookup_tables = whitelabel_tm800a550l_gpios,
+};
+
+/*
+ * If the EFI bootloader is not Xiaomi's own signed Android loader, then the
+ * Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing
+ * a bunch of devices to be hidden.
+ *
+ * This takes care of instantiating the hidden devices manually.
+ */
+static const char * const bq27520_suppliers[] = { "bq25890-charger" };
+
+static const struct property_entry bq27520_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq27520_suppliers),
+ { }
+};
+
+static const struct software_node bq27520_node = {
+ .properties = bq27520_props,
+};
+
+static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst = {
+ {
+ /* BQ27520 fuel-gauge */
+ .board_info = {
+ .type = "bq27520",
+ .addr = 0x55,
+ .dev_name = "bq27520",
+ .swnode = &bq27520_node,
+ },
+ .adapter_path = "\\_SB_.PCI0.I2C1",
+ }, {
+ /* KTD2026 RGB notification LED controller */
+ .board_info = {
+ .type = "ktd2026",
+ .addr = 0x30,
+ .dev_name = "ktd2026",
+ },
+ .adapter_path = "\\_SB_.PCI0.I2C3",
+ },
+};
+
+static const struct x86_dev_info xiaomi_mipad2_info __initconst = {
+ .i2c_client_info = xiaomi_mipad2_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients),
+};
+
+static const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
+ {
+ /* Asus MeMO Pad 7 ME176C */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"),
+ },
+ .driver_data = (void *)&asus_me176c_info,
+ },
+ {
+ /* Asus TF103C */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"),
+ },
+ .driver_data = (void *)&asus_tf103c_info,
+ },
+ {
+ /* Chuwi Hi8 (CWI509) */
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-PA03C"),
+ DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
+ },
+ .driver_data = (void *)&chuwi_hi8_info,
+ },
+ {
+ /* Whitelabel (sold as various brands) TM800A550L */
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+ DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
+ /* Above strings are too generic, also match on BIOS version */
+ DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
+ },
+ .driver_data = (void *)&whitelabel_tm800a550l_info,
+ },
+ {
+ /* Xiaomi Mi Pad 2 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
+ },
+ .driver_data = (void *)&xiaomi_mipad2_info,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(dmi, x86_android_tablet_ids);
+
+static int i2c_client_count;
+static int pdev_count;
+static int serdev_count;
+static struct i2c_client **i2c_clients;
+static struct platform_device **pdevs;
+static struct serdev_device **serdevs;
+static struct gpiod_lookup_table **gpiod_lookup_tables;
+
+static __init int x86_instantiate_i2c_client(const struct x86_dev_info *dev_info,
+ int idx)
+{
+ const struct x86_i2c_client_info *client_info = &dev_info->i2c_client_info[idx];
+ struct i2c_board_info board_info = client_info->board_info;
+ struct i2c_adapter *adap;
+ acpi_handle handle;
+ acpi_status status;
+
+ board_info.irq = x86_acpi_irq_helper_get(&client_info->irq_data);
+ if (board_info.irq < 0)
+ return board_info.irq;
+
+ status = acpi_get_handle(NULL, client_info->adapter_path, &handle);
+ if (ACPI_FAILURE(status)) {
+ pr_err("Error could not get %s handle\n", client_info->adapter_path);
+ return -ENODEV;
+ }
+
+ adap = i2c_acpi_find_adapter_by_handle(handle);
+ if (!adap) {
+ pr_err("error could not get %s adapter\n", client_info->adapter_path);
+ return -ENODEV;
+ }
+
+ i2c_clients[idx] = i2c_new_client_device(adap, &board_info);
+ put_device(&adap->dev);
+ if (IS_ERR(i2c_clients[idx]))
+ return dev_err_probe(&adap->dev, PTR_ERR(i2c_clients[idx]),
+ "creating I2C-client %d\n", idx);
+
+ return 0;
+}
+
+static __init int x86_instantiate_serdev(const struct x86_serdev_info *info, int idx)
+{
+ struct acpi_device *ctrl_adev, *serdev_adev;
+ struct serdev_device *serdev;
+ struct device *ctrl_dev;
+ int ret = -ENODEV;
+
+ ctrl_adev = acpi_dev_get_first_match_dev(info->ctrl_hid, info->ctrl_uid, -1);
+ if (!ctrl_adev) {
+ pr_err("error could not get %s/%s ctrl adev\n",
+ info->ctrl_hid, info->ctrl_uid);
+ return -ENODEV;
+ }
+
+ serdev_adev = acpi_dev_get_first_match_dev(info->serdev_hid, NULL, -1);
+ if (!serdev_adev) {
+ pr_err("error could not get %s serdev adev\n", info->serdev_hid);
+ goto put_ctrl_adev;
+ }
+
+ /* get_first_physical_node() returns a weak ref, no need to put() it */
+ ctrl_dev = acpi_get_first_physical_node(ctrl_adev);
+ if (!ctrl_dev) {
+ pr_err("error could not get %s/%s ctrl physical dev\n",
+ info->ctrl_hid, info->ctrl_uid);
+ goto put_serdev_adev;
+ }
+
+ /* ctrl_dev now points to the controller's parent, get the controller */
+ ctrl_dev = device_find_child_by_name(ctrl_dev, info->ctrl_devname);
+ if (!ctrl_dev) {
+ pr_err("error could not get %s/%s %s ctrl dev\n",
+ info->ctrl_hid, info->ctrl_uid, info->ctrl_devname);
+ goto put_serdev_adev;
+ }
+
+ serdev = serdev_device_alloc(to_serdev_controller(ctrl_dev));
+ if (!serdev) {
+ ret = -ENOMEM;
+ goto put_serdev_adev;
+ }
+
+ ACPI_COMPANION_SET(&serdev->dev, serdev_adev);
+ acpi_device_set_enumerated(serdev_adev);
+
+ ret = serdev_device_add(serdev);
+ if (ret) {
+ dev_err(&serdev->dev, "error %d adding serdev\n", ret);
+ serdev_device_put(serdev);
+ goto put_serdev_adev;
+ }
+
+ serdevs[idx] = serdev;
+
+put_serdev_adev:
+ acpi_dev_put(serdev_adev);
+put_ctrl_adev:
+ acpi_dev_put(ctrl_adev);
+ return ret;
+}
+
+static void x86_android_tablet_cleanup(void)
+{
+ int i;
+
+ for (i = 0; i < serdev_count; i++) {
+ if (serdevs[i])
+ serdev_device_remove(serdevs[i]);
+ }
+
+ kfree(serdevs);
+
+ for (i = 0; i < pdev_count; i++)
+ platform_device_unregister(pdevs[i]);
+
+ kfree(pdevs);
+
+ for (i = 0; i < i2c_client_count; i++)
+ i2c_unregister_device(i2c_clients[i]);
+
+ kfree(i2c_clients);
+
+ for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
+ gpiod_remove_lookup_table(gpiod_lookup_tables[i]);
+}
+
+static __init int x86_android_tablet_init(void)
+{
+ const struct x86_dev_info *dev_info;
+ const struct dmi_system_id *id;
+ int i, ret = 0;
+
+ id = dmi_first_match(x86_android_tablet_ids);
+ if (!id)
+ return -ENODEV;
+
+ dev_info = id->driver_data;
+
+ /*
+ * Since this runs from module_init() it cannot use -EPROBE_DEFER,
+ * instead pre-load any modules which are listed as requirements.
+ */
+ for (i = 0; dev_info->modules && dev_info->modules[i]; i++)
+ request_module(dev_info->modules[i]);
+
+ gpiod_lookup_tables = dev_info->gpiod_lookup_tables;
+ for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
+ gpiod_add_lookup_table(gpiod_lookup_tables[i]);
+
+ i2c_clients = kcalloc(dev_info->i2c_client_count, sizeof(*i2c_clients), GFP_KERNEL);
+ if (!i2c_clients) {
+ x86_android_tablet_cleanup();
+ return -ENOMEM;
+ }
+
+ i2c_client_count = dev_info->i2c_client_count;
+ for (i = 0; i < i2c_client_count; i++) {
+ ret = x86_instantiate_i2c_client(dev_info, i);
+ if (ret < 0) {
+ x86_android_tablet_cleanup();
+ return ret;
+ }
+ }
+
+ pdevs = kcalloc(dev_info->pdev_count, sizeof(*pdevs), GFP_KERNEL);
+ if (!pdevs) {
+ x86_android_tablet_cleanup();
+ return -ENOMEM;
+ }
+
+ pdev_count = dev_info->pdev_count;
+ for (i = 0; i < pdev_count; i++) {
+ pdevs[i] = platform_device_register_full(&dev_info->pdev_info[i]);
+ if (IS_ERR(pdevs[i])) {
+ x86_android_tablet_cleanup();
+ return PTR_ERR(pdevs[i]);
+ }
+ }
+
+ serdevs = kcalloc(dev_info->serdev_count, sizeof(*serdevs), GFP_KERNEL);
+ if (!serdevs) {
+ x86_android_tablet_cleanup();
+ return -ENOMEM;
+ }
+
+ serdev_count = dev_info->serdev_count;
+ for (i = 0; i < serdev_count; i++) {
+ ret = x86_instantiate_serdev(&dev_info->serdev_info[i], i);
+ if (ret < 0) {
+ x86_android_tablet_cleanup();
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+module_init(x86_android_tablet_init);
+module_exit(x86_android_tablet_cleanup);
+
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com");
+MODULE_DESCRIPTION("X86 Android tablets DSDT fixups driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 6ac88fbee3cb..c0dfcfa33206 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -134,6 +134,12 @@ static const char * const POWER_SUPPLY_SCOPE_TEXT[] = {
[POWER_SUPPLY_SCOPE_DEVICE] = "Device",
};
+static const char * const POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[] = {
+ [POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO] = "auto",
+ [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE] = "inhibit-charge",
+ [POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE] = "force-discharge",
+};
+
static struct power_supply_attr power_supply_attrs[] = {
/* Properties of type `int' */
POWER_SUPPLY_ENUM_ATTR(STATUS),
@@ -173,6 +179,7 @@ static struct power_supply_attr power_supply_attrs[] = {
POWER_SUPPLY_ATTR(CHARGE_CONTROL_LIMIT_MAX),
POWER_SUPPLY_ATTR(CHARGE_CONTROL_START_THRESHOLD),
POWER_SUPPLY_ATTR(CHARGE_CONTROL_END_THRESHOLD),
+ POWER_SUPPLY_ENUM_ATTR(CHARGE_BEHAVIOUR),
POWER_SUPPLY_ATTR(INPUT_CURRENT_LIMIT),
POWER_SUPPLY_ATTR(INPUT_VOLTAGE_LIMIT),
POWER_SUPPLY_ATTR(INPUT_POWER_LIMIT),
@@ -485,3 +492,52 @@ out:
return ret;
}
+
+ssize_t power_supply_charge_behaviour_show(struct device *dev,
+ unsigned int available_behaviours,
+ enum power_supply_charge_behaviour current_behaviour,
+ char *buf)
+{
+ bool match = false, available, active;
+ ssize_t count = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT); i++) {
+ available = available_behaviours & BIT(i);
+ active = i == current_behaviour;
+
+ if (available && active) {
+ count += sysfs_emit_at(buf, count, "[%s] ",
+ POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[i]);
+ match = true;
+ } else if (available) {
+ count += sysfs_emit_at(buf, count, "%s ",
+ POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[i]);
+ }
+ }
+
+ if (!match) {
+ dev_warn(dev, "driver reporting unsupported charge behaviour\n");
+ return -EINVAL;
+ }
+
+ if (count)
+ buf[count - 1] = '\n';
+
+ return count;
+}
+EXPORT_SYMBOL_GPL(power_supply_charge_behaviour_show);
+
+int power_supply_charge_behaviour_parse(unsigned int available_behaviours, const char *buf)
+{
+ int i = sysfs_match_string(POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT, buf);
+
+ if (i < 0)
+ return i;
+
+ if (available_behaviours & BIT(i))
+ return i;
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(power_supply_charge_behaviour_parse);
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 9d222ba17ec6..1dc86eb1361a 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1589,6 +1589,17 @@ config NIC7018_WDT
To compile this driver as a module, choose M here: the module will be
called nic7018_wdt.
+config SIEMENS_SIMATIC_IPC_WDT
+ tristate "Siemens Simatic IPC Watchdog"
+ depends on SIEMENS_SIMATIC_IPC
+ select WATCHDOG_CORE
+ help
+ This driver adds support for several watchdogs found in Industrial
+ PCs from Siemens.
+
+ To compile this driver as a module, choose M here: the module will be
+ called simatic-ipc-wdt.
+
# M68K Architecture
config M54xx_WATCHDOG
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 2ee97064145b..31b931846e32 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -143,6 +143,7 @@ obj-$(CONFIG_NI903X_WDT) += ni903x_wdt.o
obj-$(CONFIG_NIC7018_WDT) += nic7018_wdt.o
obj-$(CONFIG_MLX_WDT) += mlx_wdt.o
obj-$(CONFIG_KEEMBAY_WATCHDOG) += keembay_wdt.o
+obj-$(CONFIG_SIEMENS_SIMATIC_IPC_WDT) += simatic-ipc-wdt.o
# M68K Architecture
obj-$(CONFIG_M54xx_WATCHDOG) += m54xx_wdt.o
diff --git a/drivers/watchdog/simatic-ipc-wdt.c b/drivers/watchdog/simatic-ipc-wdt.c
new file mode 100644
index 000000000000..8bac793c63fb
--- /dev/null
+++ b/drivers/watchdog/simatic-ipc-wdt.c
@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for Watchdogs
+ *
+ * Copyright (c) Siemens AG, 2020-2021
+ *
+ * Authors:
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+#include <linux/platform_device.h>
+#include <linux/sizes.h>
+#include <linux/util_macros.h>
+#include <linux/watchdog.h>
+
+#define WD_ENABLE_IOADR 0x62
+#define WD_TRIGGER_IOADR 0x66
+#define GPIO_COMMUNITY0_PORT_ID 0xaf
+#define PAD_CFG_DW0_GPP_A_23 0x4b8
+#define SAFE_EN_N_427E 0x01
+#define SAFE_EN_N_227E 0x04
+#define WD_ENABLED 0x01
+#define WD_TRIGGERED 0x80
+#define WD_MACROMODE 0x02
+
+#define TIMEOUT_MIN 2
+#define TIMEOUT_DEF 64
+#define TIMEOUT_MAX 64
+
+#define GP_STATUS_REG_227E 0x404D /* IO PORT for SAFE_EN_N on 227E */
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0000);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static struct resource gp_status_reg_227e_res =
+ DEFINE_RES_IO_NAMED(GP_STATUS_REG_227E, SZ_1, KBUILD_MODNAME);
+
+static struct resource io_resource_enable =
+ DEFINE_RES_IO_NAMED(WD_ENABLE_IOADR, SZ_1,
+ KBUILD_MODNAME " WD_ENABLE_IOADR");
+
+static struct resource io_resource_trigger =
+ DEFINE_RES_IO_NAMED(WD_TRIGGER_IOADR, SZ_1,
+ KBUILD_MODNAME " WD_TRIGGER_IOADR");
+
+/* the actual start will be discovered with pci, 0 is a placeholder */
+static struct resource mem_resource =
+ DEFINE_RES_MEM_NAMED(0, SZ_4, "WD_RESET_BASE_ADR");
+
+static u32 wd_timeout_table[] = {2, 4, 6, 8, 16, 32, 48, 64 };
+static void __iomem *wd_reset_base_addr;
+
+static int wd_start(struct watchdog_device *wdd)
+{
+ outb(inb(WD_ENABLE_IOADR) | WD_ENABLED, WD_ENABLE_IOADR);
+ return 0;
+}
+
+static int wd_stop(struct watchdog_device *wdd)
+{
+ outb(inb(WD_ENABLE_IOADR) & ~WD_ENABLED, WD_ENABLE_IOADR);
+ return 0;
+}
+
+static int wd_ping(struct watchdog_device *wdd)
+{
+ inb(WD_TRIGGER_IOADR);
+ return 0;
+}
+
+static int wd_set_timeout(struct watchdog_device *wdd, unsigned int t)
+{
+ int timeout_idx = find_closest(t, wd_timeout_table,
+ ARRAY_SIZE(wd_timeout_table));
+
+ outb((inb(WD_ENABLE_IOADR) & 0xc7) | timeout_idx << 3, WD_ENABLE_IOADR);
+ wdd->timeout = wd_timeout_table[timeout_idx];
+ return 0;
+}
+
+static const struct watchdog_info wdt_ident = {
+ .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
+ WDIOF_SETTIMEOUT,
+ .identity = KBUILD_MODNAME,
+};
+
+static const struct watchdog_ops wdt_ops = {
+ .owner = THIS_MODULE,
+ .start = wd_start,
+ .stop = wd_stop,
+ .ping = wd_ping,
+ .set_timeout = wd_set_timeout,
+};
+
+static void wd_secondary_enable(u32 wdtmode)
+{
+ u16 resetbit;
+
+ /* set safe_en_n so we are not just WDIOF_ALARMONLY */
+ if (wdtmode == SIMATIC_IPC_DEVICE_227E) {
+ /* enable SAFE_EN_N on GP_STATUS_REG_227E */
+ resetbit = inb(GP_STATUS_REG_227E);
+ outb(resetbit & ~SAFE_EN_N_227E, GP_STATUS_REG_227E);
+ } else {
+ /* enable SAFE_EN_N on PCH D1600 */
+ resetbit = ioread16(wd_reset_base_addr);
+ iowrite16(resetbit & ~SAFE_EN_N_427E, wd_reset_base_addr);
+ }
+}
+
+static int wd_setup(u32 wdtmode)
+{
+ unsigned int bootstatus = 0;
+ int timeout_idx;
+
+ timeout_idx = find_closest(TIMEOUT_DEF, wd_timeout_table,
+ ARRAY_SIZE(wd_timeout_table));
+
+ if (inb(WD_ENABLE_IOADR) & WD_TRIGGERED)
+ bootstatus |= WDIOF_CARDRESET;
+
+ /* reset alarm bit, set macro mode, and set timeout */
+ outb(WD_TRIGGERED | WD_MACROMODE | timeout_idx << 3, WD_ENABLE_IOADR);
+
+ wd_secondary_enable(wdtmode);
+
+ return bootstatus;
+}
+
+static struct watchdog_device wdd_data = {
+ .info = &wdt_ident,
+ .ops = &wdt_ops,
+ .min_timeout = TIMEOUT_MIN,
+ .max_timeout = TIMEOUT_MAX
+};
+
+static int simatic_ipc_wdt_probe(struct platform_device *pdev)
+{
+ struct simatic_ipc_platform *plat = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct resource *res;
+
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_227E:
+ if (!devm_request_region(dev, gp_status_reg_227e_res.start,
+ resource_size(&gp_status_reg_227e_res),
+ KBUILD_MODNAME)) {
+ dev_err(dev,
+ "Unable to register IO resource at %pR\n",
+ &gp_status_reg_227e_res);
+ return -EBUSY;
+ }
+ fallthrough;
+ case SIMATIC_IPC_DEVICE_427E:
+ wdd_data.parent = dev;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (!devm_request_region(dev, io_resource_enable.start,
+ resource_size(&io_resource_enable),
+ io_resource_enable.name)) {
+ dev_err(dev,
+ "Unable to register IO resource at %#x\n",
+ WD_ENABLE_IOADR);
+ return -EBUSY;
+ }
+
+ if (!devm_request_region(dev, io_resource_trigger.start,
+ resource_size(&io_resource_trigger),
+ io_resource_trigger.name)) {
+ dev_err(dev,
+ "Unable to register IO resource at %#x\n",
+ WD_TRIGGER_IOADR);
+ return -EBUSY;
+ }
+
+ if (plat->devmode == SIMATIC_IPC_DEVICE_427E) {
+ res = &mem_resource;
+
+ /* get GPIO base from PCI */
+ res->start = simatic_ipc_get_membase0(PCI_DEVFN(0x1f, 1));
+ if (res->start == 0)
+ return -ENODEV;
+
+ /* do the final address calculation */
+ res->start = res->start + (GPIO_COMMUNITY0_PORT_ID << 16) +
+ PAD_CFG_DW0_GPP_A_23;
+ res->end += res->start;
+
+ wd_reset_base_addr = devm_ioremap_resource(dev, res);
+ if (IS_ERR(wd_reset_base_addr))
+ return PTR_ERR(wd_reset_base_addr);
+ }
+
+ wdd_data.bootstatus = wd_setup(plat->devmode);
+ if (wdd_data.bootstatus)
+ dev_warn(dev, "last reboot caused by watchdog reset\n");
+
+ watchdog_set_nowayout(&wdd_data, nowayout);
+ watchdog_stop_on_reboot(&wdd_data);
+ return devm_watchdog_register_device(dev, &wdd_data);
+}
+
+static struct platform_driver simatic_ipc_wdt_driver = {
+ .probe = simatic_ipc_wdt_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+
+module_platform_driver(simatic_ipc_wdt_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_AUTHOR("Gerd Haeussler <gerd.haeussler.ext@siemens.com>");
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 17dc5cb6f3f2..a571b47ff362 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -77,6 +77,8 @@
#define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011
#define ASUS_WMI_DEVID_FAN_CTRL 0x00110012 /* deprecated */
#define ASUS_WMI_DEVID_CPU_FAN_CTRL 0x00110013
+#define ASUS_WMI_DEVID_CPU_FAN_CURVE 0x00110024
+#define ASUS_WMI_DEVID_GPU_FAN_CURVE 0x00110025
/* Power */
#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012
diff --git a/include/linux/platform_data/x86/simatic-ipc-base.h b/include/linux/platform_data/x86/simatic-ipc-base.h
new file mode 100644
index 000000000000..62d2bc774067
--- /dev/null
+++ b/include/linux/platform_data/x86/simatic-ipc-base.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Siemens SIMATIC IPC drivers
+ *
+ * Copyright (c) Siemens AG, 2018-2021
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#ifndef __PLATFORM_DATA_X86_SIMATIC_IPC_BASE_H
+#define __PLATFORM_DATA_X86_SIMATIC_IPC_BASE_H
+
+#include <linux/types.h>
+
+#define SIMATIC_IPC_DEVICE_NONE 0
+#define SIMATIC_IPC_DEVICE_227D 1
+#define SIMATIC_IPC_DEVICE_427E 2
+#define SIMATIC_IPC_DEVICE_127E 3
+#define SIMATIC_IPC_DEVICE_227E 4
+
+struct simatic_ipc_platform {
+ u8 devmode;
+};
+
+u32 simatic_ipc_get_membase0(unsigned int p2sb);
+
+#endif /* __PLATFORM_DATA_X86_SIMATIC_IPC_BASE_H */
diff --git a/include/linux/platform_data/x86/simatic-ipc.h b/include/linux/platform_data/x86/simatic-ipc.h
new file mode 100644
index 000000000000..f3b76b39776b
--- /dev/null
+++ b/include/linux/platform_data/x86/simatic-ipc.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Siemens SIMATIC IPC drivers
+ *
+ * Copyright (c) Siemens AG, 2018-2021
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#ifndef __PLATFORM_DATA_X86_SIMATIC_IPC_H
+#define __PLATFORM_DATA_X86_SIMATIC_IPC_H
+
+#include <linux/dmi.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+
+#define SIMATIC_IPC_DMI_ENTRY_OEM 129
+/* binary type */
+#define SIMATIC_IPC_DMI_TYPE 0xff
+#define SIMATIC_IPC_DMI_GROUP 0x05
+#define SIMATIC_IPC_DMI_ENTRY 0x02
+#define SIMATIC_IPC_DMI_TID 0x02
+
+enum simatic_ipc_station_ids {
+ SIMATIC_IPC_INVALID_STATION_ID = 0,
+ SIMATIC_IPC_IPC227D = 0x00000501,
+ SIMATIC_IPC_IPC427D = 0x00000701,
+ SIMATIC_IPC_IPC227E = 0x00000901,
+ SIMATIC_IPC_IPC277E = 0x00000902,
+ SIMATIC_IPC_IPC427E = 0x00000A01,
+ SIMATIC_IPC_IPC477E = 0x00000A02,
+ SIMATIC_IPC_IPC127E = 0x00000D01,
+};
+
+static inline u32 simatic_ipc_get_station_id(u8 *data, int max_len)
+{
+ struct {
+ u8 type; /* type (0xff = binary) */
+ u8 len; /* len of data entry */
+ u8 group;
+ u8 entry;
+ u8 tid;
+ __le32 station_id; /* station id (LE) */
+ } __packed * data_entry = (void *)data + sizeof(struct dmi_header);
+
+ while ((u8 *)data_entry < data + max_len) {
+ if (data_entry->type == SIMATIC_IPC_DMI_TYPE &&
+ data_entry->len == sizeof(*data_entry) &&
+ data_entry->group == SIMATIC_IPC_DMI_GROUP &&
+ data_entry->entry == SIMATIC_IPC_DMI_ENTRY &&
+ data_entry->tid == SIMATIC_IPC_DMI_TID) {
+ return le32_to_cpu(data_entry->station_id);
+ }
+ data_entry = (void *)((u8 *)(data_entry) + data_entry->len);
+ }
+
+ return SIMATIC_IPC_INVALID_STATION_ID;
+}
+
+static inline void
+simatic_ipc_find_dmi_entry_helper(const struct dmi_header *dh, void *_data)
+{
+ u32 *id = _data;
+
+ if (dh->type != SIMATIC_IPC_DMI_ENTRY_OEM)
+ return;
+
+ *id = simatic_ipc_get_station_id((u8 *)dh, dh->length);
+}
+
+#endif /* __PLATFORM_DATA_X86_SIMATIC_IPC_H */
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 86b4d5c4dab9..e218041cc000 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -133,6 +133,7 @@ enum power_supply_property {
POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */
POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */
+ POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR,
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
POWER_SUPPLY_PROP_INPUT_POWER_LIMIT,
@@ -203,6 +204,12 @@ enum power_supply_usb_type {
POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */
};
+enum power_supply_charge_behaviour {
+ POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO = 0,
+ POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE,
+ POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE,
+};
+
enum power_supply_notifier_events {
PSY_EVENT_PROP_CHANGED,
};
@@ -709,4 +716,28 @@ static inline
void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
#endif
+#ifdef CONFIG_SYSFS
+ssize_t power_supply_charge_behaviour_show(struct device *dev,
+ unsigned int available_behaviours,
+ enum power_supply_charge_behaviour behaviour,
+ char *buf);
+
+int power_supply_charge_behaviour_parse(unsigned int available_behaviours, const char *buf);
+#else
+static inline
+ssize_t power_supply_charge_behaviour_show(struct device *dev,
+ unsigned int available_behaviours,
+ enum power_supply_charge_behaviour behaviour,
+ char *buf)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int power_supply_charge_behaviour_parse(unsigned int available_behaviours,
+ const char *buf)
+{
+ return -EOPNOTSUPP;
+}
+#endif
+
#endif /* __LINUX_POWER_SUPPLY_H__ */
diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h
index f636c5310321..cc257097eb05 100644
--- a/include/linux/surface_aggregator/device.h
+++ b/include/linux/surface_aggregator/device.h
@@ -319,6 +319,15 @@ void ssam_device_driver_unregister(struct ssam_device_driver *d);
ssam_device_driver_unregister)
+/* -- Helpers for controller and hub devices. ------------------------------- */
+
+#ifdef CONFIG_SURFACE_AGGREGATOR_BUS
+void ssam_remove_clients(struct device *dev);
+#else /* CONFIG_SURFACE_AGGREGATOR_BUS */
+static inline void ssam_remove_clients(struct device *dev) {}
+#endif /* CONFIG_SURFACE_AGGREGATOR_BUS */
+
+
/* -- Helpers for client-device requests. ----------------------------------- */
/**
diff --git a/include/linux/wmi.h b/include/linux/wmi.h
index 2cb3913c1f50..b88d7b58e61e 100644
--- a/include/linux/wmi.h
+++ b/include/linux/wmi.h
@@ -35,6 +35,7 @@ extern int set_required_buffer_size(struct wmi_device *wdev, u64 length);
struct wmi_driver {
struct device_driver driver;
const struct wmi_device_id *id_table;
+ bool no_notify_data;
int (*probe)(struct wmi_device *wdev, const void *context);
void (*remove)(struct wmi_device *wdev);
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index bf9fd3549a1d..efe72fa48224 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -15,7 +15,7 @@ struct process_cmd_struct {
int arg;
};
-static const char *version_str = "v1.10";
+static const char *version_str = "v1.11";
static const int supported_api_ver = 1;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
@@ -1599,6 +1599,7 @@ static void set_scaling_min_to_cpuinfo_max(int cpu)
die_id != get_physical_die_id(i))
continue;
+ adjust_scaling_max_from_base_freq(i);
set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0);
adjust_scaling_min_from_base_freq(i);
}
@@ -1615,6 +1616,7 @@ static void set_scaling_min_to_cpuinfo_min(int cpu)
die_id != get_physical_die_id(i))
continue;
+ adjust_scaling_max_from_base_freq(i);
set_cpufreq_scaling_min_max_from_cpuinfo(i, 0, 0);
}
}