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-rw-r--r--drivers/platform/x86/hp/Kconfig63
-rw-r--r--drivers/platform/x86/hp/Makefile10
-rw-r--r--drivers/platform/x86/hp/hp-wmi.c1577
-rw-r--r--drivers/platform/x86/hp/hp_accel.c387
-rw-r--r--drivers/platform/x86/hp/tc1100-wmi.c265
5 files changed, 2302 insertions, 0 deletions
diff --git a/drivers/platform/x86/hp/Kconfig b/drivers/platform/x86/hp/Kconfig
new file mode 100644
index 000000000..ae1659553
--- /dev/null
+++ b/drivers/platform/x86/hp/Kconfig
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# X86 Platform Specific Drivers
+#
+menuconfig X86_PLATFORM_DRIVERS_HP
+ bool "HP X86 Platform Specific Device Drivers"
+ depends on X86_PLATFORM_DEVICES
+ help
+ Say Y here to get to see options for device drivers for various
+ HP x86 platforms, including vendor-specific laptop extension drivers.
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+if X86_PLATFORM_DRIVERS_HP
+
+config HP_ACCEL
+ tristate "HP laptop accelerometer"
+ default m
+ depends on INPUT && ACPI
+ depends on SERIO_I8042
+ select SENSORS_LIS3LV02D
+ select NEW_LEDS
+ select LEDS_CLASS
+ help
+ This driver provides support for the "Mobile Data Protection System 3D"
+ or "3D DriveGuard" feature of HP laptops. On such systems the driver
+ should load automatically (via ACPI alias).
+
+ Support for a led indicating disk protection will be provided as
+ hp::hddprotect. For more information on the feature, refer to
+ Documentation/misc-devices/lis3lv02d.rst.
+
+ To compile this driver as a module, choose M here: the module will
+ be called hp_accel.
+
+config HP_WMI
+ tristate "HP WMI extras"
+ default m
+ depends on ACPI_WMI
+ depends on INPUT
+ depends on RFKILL || RFKILL = n
+ select INPUT_SPARSEKMAP
+ select ACPI_PLATFORM_PROFILE
+ select HWMON
+ help
+ Say Y here if you want to support WMI-based hotkeys on HP laptops and
+ to read data from WMI such as docking or ambient light sensor state.
+
+ To compile this driver as a module, choose M here: the module will
+ be called hp-wmi.
+
+config TC1100_WMI
+ tristate "HP Compaq TC1100 Tablet WMI Extras"
+ default m
+ depends on !X86_64
+ depends on ACPI
+ depends on ACPI_WMI
+ help
+ This is a driver for the WMI extensions (wireless and bluetooth power
+ control) of the HP Compaq TC1100 tablet.
+
+endif # X86_PLATFORM_DRIVERS_HP
diff --git a/drivers/platform/x86/hp/Makefile b/drivers/platform/x86/hp/Makefile
new file mode 100644
index 000000000..db1eed4cd
--- /dev/null
+++ b/drivers/platform/x86/hp/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for linux/drivers/platform/x86/hp
+# HP x86 Platform-Specific Drivers
+#
+
+# Hewlett Packard
+obj-$(CONFIG_HP_ACCEL) += hp_accel.o
+obj-$(CONFIG_HP_WMI) += hp-wmi.o
+obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
new file mode 100644
index 000000000..51f23ff1f
--- /dev/null
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -0,0 +1,1577 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HP WMI hotkeys
+ *
+ * Copyright (C) 2008 Red Hat <mjg@redhat.com>
+ * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi>
+ *
+ * Portions based on wistron_btns.c:
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
+ * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/platform_device.h>
+#include <linux/platform_profile.h>
+#include <linux/hwmon.h>
+#include <linux/acpi.h>
+#include <linux/rfkill.h>
+#include <linux/string.h>
+#include <linux/dmi.h>
+
+MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>");
+MODULE_DESCRIPTION("HP laptop WMI hotkeys driver");
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C");
+MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
+
+#define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
+#define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4"
+#define HP_OMEN_EC_THERMAL_PROFILE_OFFSET 0x95
+#define zero_if_sup(tmp) (zero_insize_support?0:sizeof(tmp)) // use when zero insize is required
+
+/* DMI board names of devices that should use the omen specific path for
+ * thermal profiles.
+ * This was obtained by taking a look in the windows omen command center
+ * app and parsing a json file that they use to figure out what capabilities
+ * the device should have.
+ * A device is considered an omen if the DisplayName in that list contains
+ * "OMEN", and it can use the thermal profile stuff if the "Feature" array
+ * contains "PerformanceControl".
+ */
+static const char * const omen_thermal_profile_boards[] = {
+ "84DA", "84DB", "84DC", "8574", "8575", "860A", "87B5", "8572", "8573",
+ "8600", "8601", "8602", "8605", "8606", "8607", "8746", "8747", "8749",
+ "874A", "8603", "8604", "8748", "886B", "886C", "878A", "878B", "878C",
+ "88C8", "88CB", "8786", "8787", "8788", "88D1", "88D2", "88F4", "88FD",
+ "88F5", "88F6", "88F7", "88FE", "88FF", "8900", "8901", "8902", "8912",
+ "8917", "8918", "8949", "894A", "89EB"
+};
+
+/* DMI Board names of Omen laptops that are specifically set to be thermal
+ * profile version 0 by the Omen Command Center app, regardless of what
+ * the get system design information WMI call returns
+ */
+static const char *const omen_thermal_profile_force_v0_boards[] = {
+ "8607", "8746", "8747", "8749", "874A", "8748"
+};
+
+enum hp_wmi_radio {
+ HPWMI_WIFI = 0x0,
+ HPWMI_BLUETOOTH = 0x1,
+ HPWMI_WWAN = 0x2,
+ HPWMI_GPS = 0x3,
+};
+
+enum hp_wmi_event_ids {
+ HPWMI_DOCK_EVENT = 0x01,
+ HPWMI_PARK_HDD = 0x02,
+ HPWMI_SMART_ADAPTER = 0x03,
+ HPWMI_BEZEL_BUTTON = 0x04,
+ HPWMI_WIRELESS = 0x05,
+ HPWMI_CPU_BATTERY_THROTTLE = 0x06,
+ HPWMI_LOCK_SWITCH = 0x07,
+ HPWMI_LID_SWITCH = 0x08,
+ HPWMI_SCREEN_ROTATION = 0x09,
+ HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A,
+ HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B,
+ HPWMI_PROXIMITY_SENSOR = 0x0C,
+ HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D,
+ HPWMI_PEAKSHIFT_PERIOD = 0x0F,
+ HPWMI_BATTERY_CHARGE_PERIOD = 0x10,
+ HPWMI_SANITIZATION_MODE = 0x17,
+ HPWMI_OMEN_KEY = 0x1D,
+ HPWMI_SMART_EXPERIENCE_APP = 0x21,
+};
+
+/*
+ * struct bios_args buffer is dynamically allocated. New WMI command types
+ * were introduced that exceeds 128-byte data size. Changes to handle
+ * the data size allocation scheme were kept in hp_wmi_perform_qurey function.
+ */
+struct bios_args {
+ u32 signature;
+ u32 command;
+ u32 commandtype;
+ u32 datasize;
+ u8 data[];
+};
+
+enum hp_wmi_commandtype {
+ HPWMI_DISPLAY_QUERY = 0x01,
+ HPWMI_HDDTEMP_QUERY = 0x02,
+ HPWMI_ALS_QUERY = 0x03,
+ HPWMI_HARDWARE_QUERY = 0x04,
+ HPWMI_WIRELESS_QUERY = 0x05,
+ HPWMI_BATTERY_QUERY = 0x07,
+ HPWMI_BIOS_QUERY = 0x09,
+ HPWMI_FEATURE_QUERY = 0x0b,
+ HPWMI_HOTKEY_QUERY = 0x0c,
+ HPWMI_FEATURE2_QUERY = 0x0d,
+ HPWMI_WIRELESS2_QUERY = 0x1b,
+ HPWMI_POSTCODEERROR_QUERY = 0x2a,
+ HPWMI_SYSTEM_DEVICE_MODE = 0x40,
+ HPWMI_THERMAL_PROFILE_QUERY = 0x4c,
+};
+
+enum hp_wmi_gm_commandtype {
+ HPWMI_FAN_SPEED_GET_QUERY = 0x11,
+ HPWMI_SET_PERFORMANCE_MODE = 0x1A,
+ HPWMI_FAN_SPEED_MAX_GET_QUERY = 0x26,
+ HPWMI_FAN_SPEED_MAX_SET_QUERY = 0x27,
+ HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28,
+};
+
+enum hp_wmi_command {
+ HPWMI_READ = 0x01,
+ HPWMI_WRITE = 0x02,
+ HPWMI_ODM = 0x03,
+ HPWMI_GM = 0x20008,
+};
+
+enum hp_wmi_hardware_mask {
+ HPWMI_DOCK_MASK = 0x01,
+ HPWMI_TABLET_MASK = 0x04,
+};
+
+struct bios_return {
+ u32 sigpass;
+ u32 return_code;
+};
+
+enum hp_return_value {
+ HPWMI_RET_WRONG_SIGNATURE = 0x02,
+ HPWMI_RET_UNKNOWN_COMMAND = 0x03,
+ HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
+ HPWMI_RET_INVALID_PARAMETERS = 0x05,
+};
+
+enum hp_wireless2_bits {
+ HPWMI_POWER_STATE = 0x01,
+ HPWMI_POWER_SOFT = 0x02,
+ HPWMI_POWER_BIOS = 0x04,
+ HPWMI_POWER_HARD = 0x08,
+ HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
+};
+
+enum hp_thermal_profile_omen_v0 {
+ HP_OMEN_V0_THERMAL_PROFILE_DEFAULT = 0x00,
+ HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE = 0x01,
+ HP_OMEN_V0_THERMAL_PROFILE_COOL = 0x02,
+};
+
+enum hp_thermal_profile_omen_v1 {
+ HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30,
+ HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31,
+ HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50,
+};
+
+enum hp_thermal_profile {
+ HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
+ HP_THERMAL_PROFILE_DEFAULT = 0x01,
+ HP_THERMAL_PROFILE_COOL = 0x02,
+ HP_THERMAL_PROFILE_QUIET = 0x03,
+};
+
+#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
+#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
+
+struct bios_rfkill2_device_state {
+ u8 radio_type;
+ u8 bus_type;
+ u16 vendor_id;
+ u16 product_id;
+ u16 subsys_vendor_id;
+ u16 subsys_product_id;
+ u8 rfkill_id;
+ u8 power;
+ u8 unknown[4];
+};
+
+/* 7 devices fit into the 128 byte buffer */
+#define HPWMI_MAX_RFKILL2_DEVICES 7
+
+struct bios_rfkill2_state {
+ u8 unknown[7];
+ u8 count;
+ u8 pad[8];
+ struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
+};
+
+static const struct key_entry hp_wmi_keymap[] = {
+ { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x270, { KEY_MICMUTE } },
+ { KE_KEY, 0x20e6, { KEY_PROG1 } },
+ { KE_KEY, 0x20e8, { KEY_MEDIA } },
+ { KE_KEY, 0x2142, { KEY_MEDIA } },
+ { KE_KEY, 0x213b, { KEY_INFO } },
+ { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } },
+ { KE_KEY, 0x216a, { KEY_SETUP } },
+ { KE_KEY, 0x21a5, { KEY_PROG2 } }, /* HP Omen Key */
+ { KE_KEY, 0x21a7, { KEY_FN_ESC } },
+ { KE_KEY, 0x21a9, { KEY_TOUCHPAD_OFF } },
+ { KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
+ { KE_KEY, 0x231b, { KEY_HELP } },
+ { KE_END, 0 }
+};
+
+static struct input_dev *hp_wmi_input_dev;
+static struct platform_device *hp_wmi_platform_dev;
+static struct platform_profile_handler platform_profile_handler;
+static bool platform_profile_support;
+static bool zero_insize_support;
+
+static struct rfkill *wifi_rfkill;
+static struct rfkill *bluetooth_rfkill;
+static struct rfkill *wwan_rfkill;
+
+struct rfkill2_device {
+ u8 id;
+ int num;
+ struct rfkill *rfkill;
+};
+
+static int rfkill2_count;
+static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
+
+/*
+ * Chassis Types values were obtained from SMBIOS reference
+ * specification version 3.00. A complete list of system enclosures
+ * and chassis types is available on Table 17.
+ */
+static const char * const tablet_chassis_types[] = {
+ "30", /* Tablet*/
+ "31", /* Convertible */
+ "32" /* Detachable */
+};
+
+#define DEVICE_MODE_TABLET 0x06
+
+/* map output size to the corresponding WMI method id */
+static inline int encode_outsize_for_pvsz(int outsize)
+{
+ if (outsize > 4096)
+ return -EINVAL;
+ if (outsize > 1024)
+ return 5;
+ if (outsize > 128)
+ return 4;
+ if (outsize > 4)
+ return 3;
+ if (outsize > 0)
+ return 2;
+ return 1;
+}
+
+/*
+ * hp_wmi_perform_query
+ *
+ * query: The commandtype (enum hp_wmi_commandtype)
+ * write: The command (enum hp_wmi_command)
+ * buffer: Buffer used as input and/or output
+ * insize: Size of input buffer
+ * outsize: Size of output buffer
+ *
+ * returns zero on success
+ * an HP WMI query specific error code (which is positive)
+ * -EINVAL if the query was not successful at all
+ * -EINVAL if the output buffer size exceeds buffersize
+ *
+ * Note: The buffersize must at least be the maximum of the input and output
+ * size. E.g. Battery info query is defined to have 1 byte input
+ * and 128 byte output. The caller would do:
+ * buffer = kzalloc(128, GFP_KERNEL);
+ * ret = hp_wmi_perform_query(HPWMI_BATTERY_QUERY, HPWMI_READ, buffer, 1, 128)
+ */
+static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
+ void *buffer, int insize, int outsize)
+{
+ struct acpi_buffer input, output = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct bios_return *bios_return;
+ union acpi_object *obj = NULL;
+ struct bios_args *args = NULL;
+ int mid, actual_insize, actual_outsize;
+ size_t bios_args_size;
+ int ret;
+
+ mid = encode_outsize_for_pvsz(outsize);
+ if (WARN_ON(mid < 0))
+ return mid;
+
+ actual_insize = max(insize, 128);
+ bios_args_size = struct_size(args, data, actual_insize);
+ args = kmalloc(bios_args_size, GFP_KERNEL);
+ if (!args)
+ return -ENOMEM;
+
+ input.length = bios_args_size;
+ input.pointer = args;
+
+ args->signature = 0x55434553;
+ args->command = command;
+ args->commandtype = query;
+ args->datasize = insize;
+ memcpy(args->data, buffer, flex_array_size(args, data, insize));
+
+ ret = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output);
+ if (ret)
+ goto out_free;
+
+ obj = output.pointer;
+ if (!obj) {
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ pr_warn("query 0x%x returned an invalid object 0x%x\n", query, ret);
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ bios_return = (struct bios_return *)obj->buffer.pointer;
+ ret = bios_return->return_code;
+
+ if (ret) {
+ if (ret != HPWMI_RET_UNKNOWN_COMMAND &&
+ ret != HPWMI_RET_UNKNOWN_CMDTYPE)
+ pr_warn("query 0x%x returned error 0x%x\n", query, ret);
+ goto out_free;
+ }
+
+ /* Ignore output data of zero size */
+ if (!outsize)
+ goto out_free;
+
+ actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return)));
+ memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize);
+ memset(buffer + actual_outsize, 0, outsize - actual_outsize);
+
+out_free:
+ kfree(obj);
+ kfree(args);
+ return ret;
+}
+
+static int hp_wmi_get_fan_speed(int fan)
+{
+ u8 fsh, fsl;
+ char fan_data[4] = { fan, 0, 0, 0 };
+
+ int ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_GET_QUERY, HPWMI_GM,
+ &fan_data, sizeof(char),
+ sizeof(fan_data));
+
+ if (ret != 0)
+ return -EINVAL;
+
+ fsh = fan_data[2];
+ fsl = fan_data[3];
+
+ return (fsh << 8) | fsl;
+}
+
+static int hp_wmi_read_int(int query)
+{
+ int val = 0, ret;
+
+ ret = hp_wmi_perform_query(query, HPWMI_READ, &val,
+ zero_if_sup(val), sizeof(val));
+
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return val;
+}
+
+static int hp_wmi_get_dock_state(void)
+{
+ int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);
+
+ if (state < 0)
+ return state;
+
+ return !!(state & HPWMI_DOCK_MASK);
+}
+
+static int hp_wmi_get_tablet_mode(void)
+{
+ char system_device_mode[4] = { 0 };
+ const char *chassis_type;
+ bool tablet_found;
+ int ret;
+
+ chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
+ if (!chassis_type)
+ return -ENODEV;
+
+ tablet_found = match_string(tablet_chassis_types,
+ ARRAY_SIZE(tablet_chassis_types),
+ chassis_type) >= 0;
+ if (!tablet_found)
+ return -ENODEV;
+
+ ret = hp_wmi_perform_query(HPWMI_SYSTEM_DEVICE_MODE, HPWMI_READ,
+ system_device_mode, zero_if_sup(system_device_mode),
+ sizeof(system_device_mode));
+ if (ret < 0)
+ return ret;
+
+ return system_device_mode[0] == DEVICE_MODE_TABLET;
+}
+
+static int omen_thermal_profile_set(int mode)
+{
+ char buffer[2] = {0, mode};
+ int ret;
+
+ ret = hp_wmi_perform_query(HPWMI_SET_PERFORMANCE_MODE, HPWMI_GM,
+ &buffer, sizeof(buffer), 0);
+
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return mode;
+}
+
+static bool is_omen_thermal_profile(void)
+{
+ const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
+
+ if (!board_name)
+ return false;
+
+ return match_string(omen_thermal_profile_boards,
+ ARRAY_SIZE(omen_thermal_profile_boards),
+ board_name) >= 0;
+}
+
+static int omen_get_thermal_policy_version(void)
+{
+ unsigned char buffer[8] = { 0 };
+ int ret;
+
+ const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
+
+ if (board_name) {
+ int matches = match_string(omen_thermal_profile_force_v0_boards,
+ ARRAY_SIZE(omen_thermal_profile_force_v0_boards),
+ board_name);
+ if (matches >= 0)
+ return 0;
+ }
+
+ ret = hp_wmi_perform_query(HPWMI_GET_SYSTEM_DESIGN_DATA, HPWMI_GM,
+ &buffer, sizeof(buffer), sizeof(buffer));
+
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return buffer[3];
+}
+
+static int omen_thermal_profile_get(void)
+{
+ u8 data;
+
+ int ret = ec_read(HP_OMEN_EC_THERMAL_PROFILE_OFFSET, &data);
+
+ if (ret)
+ return ret;
+
+ return data;
+}
+
+static int hp_wmi_fan_speed_max_set(int enabled)
+{
+ int ret;
+
+ ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_SET_QUERY, HPWMI_GM,
+ &enabled, sizeof(enabled), 0);
+
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return enabled;
+}
+
+static int hp_wmi_fan_speed_max_get(void)
+{
+ int val = 0, ret;
+
+ ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_GET_QUERY, HPWMI_GM,
+ &val, zero_if_sup(val), sizeof(val));
+
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return val;
+}
+
+static int __init hp_wmi_bios_2008_later(void)
+{
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state,
+ zero_if_sup(state), sizeof(state));
+ if (!ret)
+ return 1;
+
+ return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
+}
+
+static int __init hp_wmi_bios_2009_later(void)
+{
+ u8 state[128];
+ int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state,
+ zero_if_sup(state), sizeof(state));
+ if (!ret)
+ return 1;
+
+ return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
+}
+
+static int __init hp_wmi_enable_hotkeys(void)
+{
+ int value = 0x6e;
+ int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value,
+ sizeof(value), 0);
+
+ return ret <= 0 ? ret : -EINVAL;
+}
+
+static int hp_wmi_set_block(void *data, bool blocked)
+{
+ enum hp_wmi_radio r = (long)data;
+ int query = BIT(r + 8) | ((!blocked) << r);
+ int ret;
+
+ ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE,
+ &query, sizeof(query), 0);
+
+ return ret <= 0 ? ret : -EINVAL;
+}
+
+static const struct rfkill_ops hp_wmi_rfkill_ops = {
+ .set_block = hp_wmi_set_block,
+};
+
+static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
+{
+ int mask = 0x200 << (r * 8);
+
+ int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
+
+ /* TBD: Pass error */
+ WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
+
+ return !(wireless & mask);
+}
+
+static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
+{
+ int mask = 0x800 << (r * 8);
+
+ int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
+
+ /* TBD: Pass error */
+ WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
+
+ return !(wireless & mask);
+}
+
+static int hp_wmi_rfkill2_set_block(void *data, bool blocked)
+{
+ int rfkill_id = (int)(long)data;
+ char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked };
+ int ret;
+
+ ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE,
+ buffer, sizeof(buffer), 0);
+
+ return ret <= 0 ? ret : -EINVAL;
+}
+
+static const struct rfkill_ops hp_wmi_rfkill2_ops = {
+ .set_block = hp_wmi_rfkill2_set_block,
+};
+
+static int hp_wmi_rfkill2_refresh(void)
+{
+ struct bios_rfkill2_state state;
+ int err, i;
+
+ err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
+ zero_if_sup(state), sizeof(state));
+ if (err)
+ return err;
+
+ for (i = 0; i < rfkill2_count; i++) {
+ int num = rfkill2[i].num;
+ struct bios_rfkill2_device_state *devstate;
+
+ devstate = &state.device[num];
+
+ if (num >= state.count ||
+ devstate->rfkill_id != rfkill2[i].id) {
+ pr_warn("power configuration of the wireless devices unexpectedly changed\n");
+ continue;
+ }
+
+ rfkill_set_states(rfkill2[i].rfkill,
+ IS_SWBLOCKED(devstate->power),
+ IS_HWBLOCKED(devstate->power));
+ }
+
+ return 0;
+}
+
+static ssize_t display_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY);
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY);
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t als_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_read_int(HPWMI_ALS_QUERY);
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_get_dock_state();
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_get_tablet_mode();
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ /* Get the POST error code of previous boot failure. */
+ int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY);
+
+ if (value < 0)
+ return value;
+ return sprintf(buf, "0x%x\n", value);
+}
+
+static ssize_t als_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ u32 tmp;
+ int ret;
+
+ ret = kstrtou32(buf, 10, &tmp);
+ if (ret)
+ return ret;
+
+ ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
+ sizeof(tmp), 0);
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return count;
+}
+
+static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ u32 tmp = 1;
+ bool clear;
+ int ret;
+
+ ret = kstrtobool(buf, &clear);
+ if (ret)
+ return ret;
+
+ if (clear == false)
+ return -EINVAL;
+
+ /* Clear the POST error code. It is kept until cleared. */
+ ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp,
+ sizeof(tmp), 0);
+ if (ret)
+ return ret < 0 ? ret : -EINVAL;
+
+ return count;
+}
+
+static DEVICE_ATTR_RO(display);
+static DEVICE_ATTR_RO(hddtemp);
+static DEVICE_ATTR_RW(als);
+static DEVICE_ATTR_RO(dock);
+static DEVICE_ATTR_RO(tablet);
+static DEVICE_ATTR_RW(postcode);
+
+static struct attribute *hp_wmi_attrs[] = {
+ &dev_attr_display.attr,
+ &dev_attr_hddtemp.attr,
+ &dev_attr_als.attr,
+ &dev_attr_dock.attr,
+ &dev_attr_tablet.attr,
+ &dev_attr_postcode.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(hp_wmi);
+
+static void hp_wmi_notify(u32 value, void *context)
+{
+ struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
+ u32 event_id, event_data;
+ union acpi_object *obj;
+ acpi_status status;
+ u32 *location;
+ int key_code;
+
+ status = wmi_get_event_data(value, &response);
+ if (status != AE_OK) {
+ pr_info("bad event status 0x%x\n", status);
+ return;
+ }
+
+ obj = (union acpi_object *)response.pointer;
+
+ if (!obj)
+ return;
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ pr_info("Unknown response received %d\n", obj->type);
+ kfree(obj);
+ return;
+ }
+
+ /*
+ * Depending on ACPI version the concatenation of id and event data
+ * inside _WED function will result in a 8 or 16 byte buffer.
+ */
+ location = (u32 *)obj->buffer.pointer;
+ if (obj->buffer.length == 8) {
+ event_id = *location;
+ event_data = *(location + 1);
+ } else if (obj->buffer.length == 16) {
+ event_id = *location;
+ event_data = *(location + 2);
+ } else {
+ pr_info("Unknown buffer length %d\n", obj->buffer.length);
+ kfree(obj);
+ return;
+ }
+ kfree(obj);
+
+ switch (event_id) {
+ case HPWMI_DOCK_EVENT:
+ if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_DOCK,
+ hp_wmi_get_dock_state());
+ if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_get_tablet_mode());
+ input_sync(hp_wmi_input_dev);
+ break;
+ case HPWMI_PARK_HDD:
+ break;
+ case HPWMI_SMART_ADAPTER:
+ break;
+ case HPWMI_BEZEL_BUTTON:
+ case HPWMI_OMEN_KEY:
+ key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
+ if (key_code < 0)
+ break;
+
+ if (!sparse_keymap_report_event(hp_wmi_input_dev,
+ key_code, 1, true))
+ pr_info("Unknown key code - 0x%x\n", key_code);
+ break;
+ case HPWMI_WIRELESS:
+ if (rfkill2_count) {
+ hp_wmi_rfkill2_refresh();
+ break;
+ }
+
+ if (wifi_rfkill)
+ rfkill_set_states(wifi_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WIFI),
+ hp_wmi_get_hw_state(HPWMI_WIFI));
+ if (bluetooth_rfkill)
+ rfkill_set_states(bluetooth_rfkill,
+ hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
+ hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
+ if (wwan_rfkill)
+ rfkill_set_states(wwan_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WWAN),
+ hp_wmi_get_hw_state(HPWMI_WWAN));
+ break;
+ case HPWMI_CPU_BATTERY_THROTTLE:
+ pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n");
+ break;
+ case HPWMI_LOCK_SWITCH:
+ break;
+ case HPWMI_LID_SWITCH:
+ break;
+ case HPWMI_SCREEN_ROTATION:
+ break;
+ case HPWMI_COOLSENSE_SYSTEM_MOBILE:
+ break;
+ case HPWMI_COOLSENSE_SYSTEM_HOT:
+ break;
+ case HPWMI_PROXIMITY_SENSOR:
+ break;
+ case HPWMI_BACKLIT_KB_BRIGHTNESS:
+ break;
+ case HPWMI_PEAKSHIFT_PERIOD:
+ break;
+ case HPWMI_BATTERY_CHARGE_PERIOD:
+ break;
+ case HPWMI_SANITIZATION_MODE:
+ break;
+ case HPWMI_SMART_EXPERIENCE_APP:
+ break;
+ default:
+ pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data);
+ break;
+ }
+}
+
+static int __init hp_wmi_input_setup(void)
+{
+ acpi_status status;
+ int err, val;
+
+ hp_wmi_input_dev = input_allocate_device();
+ if (!hp_wmi_input_dev)
+ return -ENOMEM;
+
+ hp_wmi_input_dev->name = "HP WMI hotkeys";
+ hp_wmi_input_dev->phys = "wmi/input0";
+ hp_wmi_input_dev->id.bustype = BUS_HOST;
+
+ __set_bit(EV_SW, hp_wmi_input_dev->evbit);
+
+ /* Dock */
+ val = hp_wmi_get_dock_state();
+ if (!(val < 0)) {
+ __set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
+ input_report_switch(hp_wmi_input_dev, SW_DOCK, val);
+ }
+
+ /* Tablet mode */
+ val = hp_wmi_get_tablet_mode();
+ if (!(val < 0)) {
+ __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val);
+ }
+
+ err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL);
+ if (err)
+ goto err_free_dev;
+
+ /* Set initial hardware state */
+ input_sync(hp_wmi_input_dev);
+
+ if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
+ hp_wmi_enable_hotkeys();
+
+ status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
+ if (ACPI_FAILURE(status)) {
+ err = -EIO;
+ goto err_free_dev;
+ }
+
+ err = input_register_device(hp_wmi_input_dev);
+ if (err)
+ goto err_uninstall_notifier;
+
+ return 0;
+
+ err_uninstall_notifier:
+ wmi_remove_notify_handler(HPWMI_EVENT_GUID);
+ err_free_dev:
+ input_free_device(hp_wmi_input_dev);
+ return err;
+}
+
+static void hp_wmi_input_destroy(void)
+{
+ wmi_remove_notify_handler(HPWMI_EVENT_GUID);
+ input_unregister_device(hp_wmi_input_dev);
+}
+
+static int __init hp_wmi_rfkill_setup(struct platform_device *device)
+{
+ int err, wireless;
+
+ wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
+ if (wireless < 0)
+ return wireless;
+
+ err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless,
+ sizeof(wireless), 0);
+ if (err)
+ return err;
+
+ if (wireless & 0x1) {
+ wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
+ RFKILL_TYPE_WLAN,
+ &hp_wmi_rfkill_ops,
+ (void *) HPWMI_WIFI);
+ if (!wifi_rfkill)
+ return -ENOMEM;
+ rfkill_init_sw_state(wifi_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WIFI));
+ rfkill_set_hw_state(wifi_rfkill,
+ hp_wmi_get_hw_state(HPWMI_WIFI));
+ err = rfkill_register(wifi_rfkill);
+ if (err)
+ goto register_wifi_error;
+ }
+
+ if (wireless & 0x2) {
+ bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
+ RFKILL_TYPE_BLUETOOTH,
+ &hp_wmi_rfkill_ops,
+ (void *) HPWMI_BLUETOOTH);
+ if (!bluetooth_rfkill) {
+ err = -ENOMEM;
+ goto register_bluetooth_error;
+ }
+ rfkill_init_sw_state(bluetooth_rfkill,
+ hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
+ rfkill_set_hw_state(bluetooth_rfkill,
+ hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
+ err = rfkill_register(bluetooth_rfkill);
+ if (err)
+ goto register_bluetooth_error;
+ }
+
+ if (wireless & 0x4) {
+ wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
+ RFKILL_TYPE_WWAN,
+ &hp_wmi_rfkill_ops,
+ (void *) HPWMI_WWAN);
+ if (!wwan_rfkill) {
+ err = -ENOMEM;
+ goto register_wwan_error;
+ }
+ rfkill_init_sw_state(wwan_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WWAN));
+ rfkill_set_hw_state(wwan_rfkill,
+ hp_wmi_get_hw_state(HPWMI_WWAN));
+ err = rfkill_register(wwan_rfkill);
+ if (err)
+ goto register_wwan_error;
+ }
+
+ return 0;
+
+register_wwan_error:
+ rfkill_destroy(wwan_rfkill);
+ wwan_rfkill = NULL;
+ if (bluetooth_rfkill)
+ rfkill_unregister(bluetooth_rfkill);
+register_bluetooth_error:
+ rfkill_destroy(bluetooth_rfkill);
+ bluetooth_rfkill = NULL;
+ if (wifi_rfkill)
+ rfkill_unregister(wifi_rfkill);
+register_wifi_error:
+ rfkill_destroy(wifi_rfkill);
+ wifi_rfkill = NULL;
+ return err;
+}
+
+static int __init hp_wmi_rfkill2_setup(struct platform_device *device)
+{
+ struct bios_rfkill2_state state;
+ int err, i;
+
+ err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
+ zero_if_sup(state), sizeof(state));
+ if (err)
+ return err < 0 ? err : -EINVAL;
+
+ if (state.count > HPWMI_MAX_RFKILL2_DEVICES) {
+ pr_warn("unable to parse 0x1b query output\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < state.count; i++) {
+ struct rfkill *rfkill;
+ enum rfkill_type type;
+ char *name;
+
+ switch (state.device[i].radio_type) {
+ case HPWMI_WIFI:
+ type = RFKILL_TYPE_WLAN;
+ name = "hp-wifi";
+ break;
+ case HPWMI_BLUETOOTH:
+ type = RFKILL_TYPE_BLUETOOTH;
+ name = "hp-bluetooth";
+ break;
+ case HPWMI_WWAN:
+ type = RFKILL_TYPE_WWAN;
+ name = "hp-wwan";
+ break;
+ case HPWMI_GPS:
+ type = RFKILL_TYPE_GPS;
+ name = "hp-gps";
+ break;
+ default:
+ pr_warn("unknown device type 0x%x\n",
+ state.device[i].radio_type);
+ continue;
+ }
+
+ if (!state.device[i].vendor_id) {
+ pr_warn("zero device %d while %d reported\n",
+ i, state.count);
+ continue;
+ }
+
+ rfkill = rfkill_alloc(name, &device->dev, type,
+ &hp_wmi_rfkill2_ops, (void *)(long)i);
+ if (!rfkill) {
+ err = -ENOMEM;
+ goto fail;
+ }
+
+ rfkill2[rfkill2_count].id = state.device[i].rfkill_id;
+ rfkill2[rfkill2_count].num = i;
+ rfkill2[rfkill2_count].rfkill = rfkill;
+
+ rfkill_init_sw_state(rfkill,
+ IS_SWBLOCKED(state.device[i].power));
+ rfkill_set_hw_state(rfkill,
+ IS_HWBLOCKED(state.device[i].power));
+
+ if (!(state.device[i].power & HPWMI_POWER_BIOS))
+ pr_info("device %s blocked by BIOS\n", name);
+
+ err = rfkill_register(rfkill);
+ if (err) {
+ rfkill_destroy(rfkill);
+ goto fail;
+ }
+
+ rfkill2_count++;
+ }
+
+ return 0;
+fail:
+ for (; rfkill2_count > 0; rfkill2_count--) {
+ rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill);
+ rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill);
+ }
+ return err;
+}
+
+static int platform_profile_omen_get(struct platform_profile_handler *pprof,
+ enum platform_profile_option *profile)
+{
+ int tp;
+
+ tp = omen_thermal_profile_get();
+ if (tp < 0)
+ return tp;
+
+ switch (tp) {
+ case HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE:
+ case HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE:
+ *profile = PLATFORM_PROFILE_PERFORMANCE;
+ break;
+ case HP_OMEN_V0_THERMAL_PROFILE_DEFAULT:
+ case HP_OMEN_V1_THERMAL_PROFILE_DEFAULT:
+ *profile = PLATFORM_PROFILE_BALANCED;
+ break;
+ case HP_OMEN_V0_THERMAL_PROFILE_COOL:
+ case HP_OMEN_V1_THERMAL_PROFILE_COOL:
+ *profile = PLATFORM_PROFILE_COOL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int platform_profile_omen_set(struct platform_profile_handler *pprof,
+ enum platform_profile_option profile)
+{
+ int err, tp, tp_version;
+
+ tp_version = omen_get_thermal_policy_version();
+
+ if (tp_version < 0 || tp_version > 1)
+ return -EOPNOTSUPP;
+
+ switch (profile) {
+ case PLATFORM_PROFILE_PERFORMANCE:
+ if (tp_version == 0)
+ tp = HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE;
+ else
+ tp = HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE;
+ break;
+ case PLATFORM_PROFILE_BALANCED:
+ if (tp_version == 0)
+ tp = HP_OMEN_V0_THERMAL_PROFILE_DEFAULT;
+ else
+ tp = HP_OMEN_V1_THERMAL_PROFILE_DEFAULT;
+ break;
+ case PLATFORM_PROFILE_COOL:
+ if (tp_version == 0)
+ tp = HP_OMEN_V0_THERMAL_PROFILE_COOL;
+ else
+ tp = HP_OMEN_V1_THERMAL_PROFILE_COOL;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ err = omen_thermal_profile_set(tp);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int thermal_profile_get(void)
+{
+ return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY);
+}
+
+static int thermal_profile_set(int thermal_profile)
+{
+ return hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &thermal_profile,
+ sizeof(thermal_profile), 0);
+}
+
+static int hp_wmi_platform_profile_get(struct platform_profile_handler *pprof,
+ enum platform_profile_option *profile)
+{
+ int tp;
+
+ tp = thermal_profile_get();
+ if (tp < 0)
+ return tp;
+
+ switch (tp) {
+ case HP_THERMAL_PROFILE_PERFORMANCE:
+ *profile = PLATFORM_PROFILE_PERFORMANCE;
+ break;
+ case HP_THERMAL_PROFILE_DEFAULT:
+ *profile = PLATFORM_PROFILE_BALANCED;
+ break;
+ case HP_THERMAL_PROFILE_COOL:
+ *profile = PLATFORM_PROFILE_COOL;
+ break;
+ case HP_THERMAL_PROFILE_QUIET:
+ *profile = PLATFORM_PROFILE_QUIET;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hp_wmi_platform_profile_set(struct platform_profile_handler *pprof,
+ enum platform_profile_option profile)
+{
+ int err, tp;
+
+ switch (profile) {
+ case PLATFORM_PROFILE_PERFORMANCE:
+ tp = HP_THERMAL_PROFILE_PERFORMANCE;
+ break;
+ case PLATFORM_PROFILE_BALANCED:
+ tp = HP_THERMAL_PROFILE_DEFAULT;
+ break;
+ case PLATFORM_PROFILE_COOL:
+ tp = HP_THERMAL_PROFILE_COOL;
+ break;
+ case PLATFORM_PROFILE_QUIET:
+ tp = HP_THERMAL_PROFILE_QUIET;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ err = thermal_profile_set(tp);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int thermal_profile_setup(void)
+{
+ int err, tp;
+
+ if (is_omen_thermal_profile()) {
+ tp = omen_thermal_profile_get();
+ if (tp < 0)
+ return tp;
+
+ /*
+ * call thermal profile write command to ensure that the
+ * firmware correctly sets the OEM variables
+ */
+
+ err = omen_thermal_profile_set(tp);
+ if (err < 0)
+ return err;
+
+ platform_profile_handler.profile_get = platform_profile_omen_get;
+ platform_profile_handler.profile_set = platform_profile_omen_set;
+ } else {
+ tp = thermal_profile_get();
+
+ if (tp < 0)
+ return tp;
+
+ /*
+ * call thermal profile write command to ensure that the
+ * firmware correctly sets the OEM variables for the DPTF
+ */
+ err = thermal_profile_set(tp);
+ if (err)
+ return err;
+
+ platform_profile_handler.profile_get = hp_wmi_platform_profile_get;
+ platform_profile_handler.profile_set = hp_wmi_platform_profile_set;
+
+ set_bit(PLATFORM_PROFILE_QUIET, platform_profile_handler.choices);
+ }
+
+ set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices);
+ set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices);
+ set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices);
+
+ err = platform_profile_register(&platform_profile_handler);
+ if (err)
+ return err;
+
+ platform_profile_support = true;
+
+ return 0;
+}
+
+static int hp_wmi_hwmon_init(void);
+
+static int __init hp_wmi_bios_setup(struct platform_device *device)
+{
+ int err;
+ /* clear detected rfkill devices */
+ wifi_rfkill = NULL;
+ bluetooth_rfkill = NULL;
+ wwan_rfkill = NULL;
+ rfkill2_count = 0;
+
+ /*
+ * In pre-2009 BIOS, command 1Bh return 0x4 to indicate that
+ * BIOS no longer controls the power for the wireless
+ * devices. All features supported by this command will no
+ * longer be supported.
+ */
+ if (!hp_wmi_bios_2009_later()) {
+ if (hp_wmi_rfkill_setup(device))
+ hp_wmi_rfkill2_setup(device);
+ }
+
+ err = hp_wmi_hwmon_init();
+
+ if (err < 0)
+ return err;
+
+ thermal_profile_setup();
+
+ return 0;
+}
+
+static int __exit hp_wmi_bios_remove(struct platform_device *device)
+{
+ int i;
+
+ for (i = 0; i < rfkill2_count; i++) {
+ rfkill_unregister(rfkill2[i].rfkill);
+ rfkill_destroy(rfkill2[i].rfkill);
+ }
+
+ if (wifi_rfkill) {
+ rfkill_unregister(wifi_rfkill);
+ rfkill_destroy(wifi_rfkill);
+ }
+ if (bluetooth_rfkill) {
+ rfkill_unregister(bluetooth_rfkill);
+ rfkill_destroy(bluetooth_rfkill);
+ }
+ if (wwan_rfkill) {
+ rfkill_unregister(wwan_rfkill);
+ rfkill_destroy(wwan_rfkill);
+ }
+
+ if (platform_profile_support)
+ platform_profile_remove();
+
+ return 0;
+}
+
+static int hp_wmi_resume_handler(struct device *device)
+{
+ /*
+ * Hardware state may have changed while suspended, so trigger
+ * input events for the current state. As this is a switch,
+ * the input layer will only actually pass it on if the state
+ * changed.
+ */
+ if (hp_wmi_input_dev) {
+ if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_DOCK,
+ hp_wmi_get_dock_state());
+ if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_get_tablet_mode());
+ input_sync(hp_wmi_input_dev);
+ }
+
+ if (rfkill2_count)
+ hp_wmi_rfkill2_refresh();
+
+ if (wifi_rfkill)
+ rfkill_set_states(wifi_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WIFI),
+ hp_wmi_get_hw_state(HPWMI_WIFI));
+ if (bluetooth_rfkill)
+ rfkill_set_states(bluetooth_rfkill,
+ hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
+ hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
+ if (wwan_rfkill)
+ rfkill_set_states(wwan_rfkill,
+ hp_wmi_get_sw_state(HPWMI_WWAN),
+ hp_wmi_get_hw_state(HPWMI_WWAN));
+
+ return 0;
+}
+
+static const struct dev_pm_ops hp_wmi_pm_ops = {
+ .resume = hp_wmi_resume_handler,
+ .restore = hp_wmi_resume_handler,
+};
+
+/*
+ * hp_wmi_bios_remove() lives in .exit.text. For drivers registered via
+ * module_platform_driver_probe() this is ok because they cannot get unbound at
+ * runtime. So mark the driver struct with __refdata to prevent modpost
+ * triggering a section mismatch warning.
+ */
+static struct platform_driver hp_wmi_driver __refdata = {
+ .driver = {
+ .name = "hp-wmi",
+ .pm = &hp_wmi_pm_ops,
+ .dev_groups = hp_wmi_groups,
+ },
+ .remove = __exit_p(hp_wmi_bios_remove),
+};
+
+static umode_t hp_wmi_hwmon_is_visible(const void *data,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ switch (type) {
+ case hwmon_pwm:
+ return 0644;
+ case hwmon_fan:
+ if (hp_wmi_get_fan_speed(channel) >= 0)
+ return 0444;
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int hp_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long *val)
+{
+ int ret;
+
+ switch (type) {
+ case hwmon_fan:
+ ret = hp_wmi_get_fan_speed(channel);
+
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return 0;
+ case hwmon_pwm:
+ switch (hp_wmi_fan_speed_max_get()) {
+ case 0:
+ /* 0 is automatic fan, which is 2 for hwmon */
+ *val = 2;
+ return 0;
+ case 1:
+ /* 1 is max fan, which is 0
+ * (no fan speed control) for hwmon
+ */
+ *val = 0;
+ return 0;
+ default:
+ /* shouldn't happen */
+ return -ENODATA;
+ }
+ default:
+ return -EINVAL;
+ }
+}
+
+static int hp_wmi_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long val)
+{
+ switch (type) {
+ case hwmon_pwm:
+ switch (val) {
+ case 0:
+ /* 0 is no fan speed control (max), which is 1 for us */
+ return hp_wmi_fan_speed_max_set(1);
+ case 2:
+ /* 2 is automatic speed control, which is 0 for us */
+ return hp_wmi_fan_speed_max_set(0);
+ default:
+ /* we don't support manual fan speed control */
+ return -EINVAL;
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const struct hwmon_channel_info *info[] = {
+ HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT),
+ HWMON_CHANNEL_INFO(pwm, HWMON_PWM_ENABLE),
+ NULL
+};
+
+static const struct hwmon_ops ops = {
+ .is_visible = hp_wmi_hwmon_is_visible,
+ .read = hp_wmi_hwmon_read,
+ .write = hp_wmi_hwmon_write,
+};
+
+static const struct hwmon_chip_info chip_info = {
+ .ops = &ops,
+ .info = info,
+};
+
+static int hp_wmi_hwmon_init(void)
+{
+ struct device *dev = &hp_wmi_platform_dev->dev;
+ struct device *hwmon;
+
+ hwmon = devm_hwmon_device_register_with_info(dev, "hp", &hp_wmi_driver,
+ &chip_info, NULL);
+
+ if (IS_ERR(hwmon)) {
+ dev_err(dev, "Could not register hp hwmon device\n");
+ return PTR_ERR(hwmon);
+ }
+
+ return 0;
+}
+
+static int __init hp_wmi_init(void)
+{
+ int event_capable = wmi_has_guid(HPWMI_EVENT_GUID);
+ int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID);
+ int err, tmp = 0;
+
+ if (!bios_capable && !event_capable)
+ return -ENODEV;
+
+ if (hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, HPWMI_READ, &tmp,
+ sizeof(tmp), sizeof(tmp)) == HPWMI_RET_INVALID_PARAMETERS)
+ zero_insize_support = true;
+
+ if (event_capable) {
+ err = hp_wmi_input_setup();
+ if (err)
+ return err;
+ }
+
+ if (bios_capable) {
+ hp_wmi_platform_dev =
+ platform_device_register_simple("hp-wmi", PLATFORM_DEVID_NONE, NULL, 0);
+ if (IS_ERR(hp_wmi_platform_dev)) {
+ err = PTR_ERR(hp_wmi_platform_dev);
+ goto err_destroy_input;
+ }
+
+ err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup);
+ if (err)
+ goto err_unregister_device;
+ }
+
+ return 0;
+
+err_unregister_device:
+ platform_device_unregister(hp_wmi_platform_dev);
+err_destroy_input:
+ if (event_capable)
+ hp_wmi_input_destroy();
+
+ return err;
+}
+module_init(hp_wmi_init);
+
+static void __exit hp_wmi_exit(void)
+{
+ if (wmi_has_guid(HPWMI_EVENT_GUID))
+ hp_wmi_input_destroy();
+
+ if (hp_wmi_platform_dev) {
+ platform_device_unregister(hp_wmi_platform_dev);
+ platform_driver_unregister(&hp_wmi_driver);
+ }
+}
+module_exit(hp_wmi_exit);
diff --git a/drivers/platform/x86/hp/hp_accel.c b/drivers/platform/x86/hp/hp_accel.c
new file mode 100644
index 000000000..647759174
--- /dev/null
+++ b/drivers/platform/x86/hp/hp_accel.c
@@ -0,0 +1,387 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * hp_accel.c - Interface between LIS3LV02DL driver and HP ACPI BIOS
+ *
+ * Copyright (C) 2007-2008 Yan Burman
+ * Copyright (C) 2008 Eric Piel
+ * Copyright (C) 2008-2009 Pavel Machek
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/dmi.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/poll.h>
+#include <linux/freezer.h>
+#include <linux/uaccess.h>
+#include <linux/leds.h>
+#include <linux/atomic.h>
+#include <linux/acpi.h>
+#include <linux/i8042.h>
+#include <linux/serio.h>
+#include "../../../misc/lis3lv02d/lis3lv02d.h"
+
+/* Delayed LEDs infrastructure ------------------------------------ */
+
+/* Special LED class that can defer work */
+struct delayed_led_classdev {
+ struct led_classdev led_classdev;
+ struct work_struct work;
+ enum led_brightness new_brightness;
+
+ unsigned int led; /* For driver */
+ void (*set_brightness)(struct delayed_led_classdev *data, enum led_brightness value);
+};
+
+static inline void delayed_set_status_worker(struct work_struct *work)
+{
+ struct delayed_led_classdev *data =
+ container_of(work, struct delayed_led_classdev, work);
+
+ data->set_brightness(data, data->new_brightness);
+}
+
+static inline void delayed_sysfs_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct delayed_led_classdev *data = container_of(led_cdev,
+ struct delayed_led_classdev, led_classdev);
+ data->new_brightness = brightness;
+ schedule_work(&data->work);
+}
+
+/* HP-specific accelerometer driver ------------------------------------ */
+
+/* e0 25, e0 26, e0 27, e0 28 are scan codes that the accelerometer with acpi id
+ * HPQ6000 sends through the keyboard bus */
+#define ACCEL_1 0x25
+#define ACCEL_2 0x26
+#define ACCEL_3 0x27
+#define ACCEL_4 0x28
+
+/* For automatic insertion of the module */
+static const struct acpi_device_id lis3lv02d_device_ids[] = {
+ {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
+ {"HPQ6000", 0}, /* HP Mobile Data Protection System PNP */
+ {"HPQ6007", 0}, /* HP Mobile Data Protection System PNP */
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);
+
+/**
+ * lis3lv02d_acpi_init - initialize the device for ACPI
+ * @lis3: pointer to the device struct
+ *
+ * Returns 0 on success.
+ */
+static int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
+{
+ return 0;
+}
+
+/**
+ * lis3lv02d_acpi_read - ACPI ALRD method: read a register
+ * @lis3: pointer to the device struct
+ * @reg: the register to read
+ * @ret: result of the operation
+ *
+ * Returns 0 on success.
+ */
+static int lis3lv02d_acpi_read(struct lis3lv02d *lis3, int reg, u8 *ret)
+{
+ struct acpi_device *dev = lis3->bus_priv;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
+ unsigned long long lret;
+ acpi_status status;
+
+ arg0.integer.value = reg;
+
+ status = acpi_evaluate_integer(dev->handle, "ALRD", &args, &lret);
+ if (ACPI_FAILURE(status))
+ return -EINVAL;
+ *ret = lret;
+ return 0;
+}
+
+/**
+ * lis3lv02d_acpi_write - ACPI ALWR method: write to a register
+ * @lis3: pointer to the device struct
+ * @reg: the register to write to
+ * @val: the value to write
+ *
+ * Returns 0 on success.
+ */
+static int lis3lv02d_acpi_write(struct lis3lv02d *lis3, int reg, u8 val)
+{
+ struct acpi_device *dev = lis3->bus_priv;
+ unsigned long long ret; /* Not used when writting */
+ union acpi_object in_obj[2];
+ struct acpi_object_list args = { 2, in_obj };
+
+ in_obj[0].type = ACPI_TYPE_INTEGER;
+ in_obj[0].integer.value = reg;
+ in_obj[1].type = ACPI_TYPE_INTEGER;
+ in_obj[1].integer.value = val;
+
+ if (acpi_evaluate_integer(dev->handle, "ALWR", &args, &ret) != AE_OK)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi)
+{
+ lis3_dev.ac = *((union axis_conversion *)dmi->driver_data);
+ pr_info("hardware type %s found\n", dmi->ident);
+
+ return 1;
+}
+
+/* Represents, for each axis seen by userspace, the corresponding hw axis (+1).
+ * If the value is negative, the opposite of the hw value is used. */
+#define DEFINE_CONV(name, x, y, z) \
+ static union axis_conversion lis3lv02d_axis_##name = \
+ { .as_array = { x, y, z } }
+DEFINE_CONV(normal, 1, 2, 3);
+DEFINE_CONV(y_inverted, 1, -2, 3);
+DEFINE_CONV(x_inverted, -1, 2, 3);
+DEFINE_CONV(x_inverted_usd, -1, 2, -3);
+DEFINE_CONV(z_inverted, 1, 2, -3);
+DEFINE_CONV(xy_swap, 2, 1, 3);
+DEFINE_CONV(xy_rotated_left, -2, 1, 3);
+DEFINE_CONV(xy_rotated_left_usd, -2, 1, -3);
+DEFINE_CONV(xy_swap_inverted, -2, -1, 3);
+DEFINE_CONV(xy_rotated_right, 2, -1, 3);
+DEFINE_CONV(xy_swap_yz_inverted, 2, -1, -3);
+
+#define AXIS_DMI_MATCH(_ident, _name, _axis) { \
+ .ident = _ident, \
+ .callback = lis3lv02d_dmi_matched, \
+ .matches = { \
+ DMI_MATCH(DMI_PRODUCT_NAME, _name) \
+ }, \
+ .driver_data = &lis3lv02d_axis_##_axis \
+}
+
+#define AXIS_DMI_MATCH2(_ident, _class1, _name1, \
+ _class2, _name2, \
+ _axis) { \
+ .ident = _ident, \
+ .callback = lis3lv02d_dmi_matched, \
+ .matches = { \
+ DMI_MATCH(DMI_##_class1, _name1), \
+ DMI_MATCH(DMI_##_class2, _name2), \
+ }, \
+ .driver_data = &lis3lv02d_axis_##_axis \
+}
+static const struct dmi_system_id lis3lv02d_dmi_ids[] = {
+ /* product names are truncated to match all kinds of a same model */
+ AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted),
+ AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted),
+ AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted),
+ AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted),
+ AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted),
+ AXIS_DMI_MATCH("NC2710", "HP Compaq 2710", xy_swap),
+ AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted),
+ AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left),
+ AXIS_DMI_MATCH("HP2140", "HP 2140", xy_swap_inverted),
+ AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd),
+ AXIS_DMI_MATCH("NC6730b", "HP Compaq 6730b", xy_rotated_left_usd),
+ AXIS_DMI_MATCH("NC6730s", "HP Compaq 6730s", xy_swap),
+ AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right),
+ AXIS_DMI_MATCH("NC6710x", "HP Compaq 6710", xy_swap_yz_inverted),
+ AXIS_DMI_MATCH("NC6715x", "HP Compaq 6715", y_inverted),
+ AXIS_DMI_MATCH("NC693xx", "HP EliteBook 693", xy_rotated_right),
+ AXIS_DMI_MATCH("NC693xx", "HP EliteBook 853", xy_swap),
+ AXIS_DMI_MATCH("NC854xx", "HP EliteBook 854", y_inverted),
+ AXIS_DMI_MATCH("NC273xx", "HP EliteBook 273", y_inverted),
+ /* Intel-based HP Pavilion dv5 */
+ AXIS_DMI_MATCH2("HPDV5_I",
+ PRODUCT_NAME, "HP Pavilion dv5",
+ BOARD_NAME, "3603",
+ x_inverted),
+ /* AMD-based HP Pavilion dv5 */
+ AXIS_DMI_MATCH2("HPDV5_A",
+ PRODUCT_NAME, "HP Pavilion dv5",
+ BOARD_NAME, "3600",
+ y_inverted),
+ AXIS_DMI_MATCH("DV7", "HP Pavilion dv7", x_inverted),
+ AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted),
+ AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted),
+ AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left),
+ AXIS_DMI_MATCH("HPB440G3", "HP ProBook 440 G3", x_inverted_usd),
+ AXIS_DMI_MATCH("HPB440G4", "HP ProBook 440 G4", x_inverted),
+ AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left),
+ AXIS_DMI_MATCH("HPB450G0", "HP ProBook 450 G0", x_inverted),
+ AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted),
+ AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap),
+ AXIS_DMI_MATCH("HPB532x", "HP ProBook 532", y_inverted),
+ AXIS_DMI_MATCH("HPB655x", "HP ProBook 655", xy_swap_inverted),
+ AXIS_DMI_MATCH("Mini510x", "HP Mini 510", xy_rotated_left_usd),
+ AXIS_DMI_MATCH("HPB63xx", "HP ProBook 63", xy_swap),
+ AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap),
+ AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap),
+ AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted),
+ AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted),
+ AXIS_DMI_MATCH("HPZBook17G5", "HP ZBook 17 G5", x_inverted),
+ AXIS_DMI_MATCH("HPZBook17", "HP ZBook 17", xy_swap_yz_inverted),
+ { NULL, }
+/* Laptop models without axis info (yet):
+ * "NC6910" "HP Compaq 6910"
+ * "NC2400" "HP Compaq nc2400"
+ * "NX74x0" "HP Compaq nx74"
+ * "NX6325" "HP Compaq nx6325"
+ * "NC4400" "HP Compaq nc4400"
+ */
+};
+
+static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value)
+{
+ struct acpi_device *dev = lis3_dev.bus_priv;
+ unsigned long long ret; /* Not used when writing */
+ union acpi_object in_obj[1];
+ struct acpi_object_list args = { 1, in_obj };
+
+ in_obj[0].type = ACPI_TYPE_INTEGER;
+ in_obj[0].integer.value = !!value;
+
+ acpi_evaluate_integer(dev->handle, "ALED", &args, &ret);
+}
+
+static struct delayed_led_classdev hpled_led = {
+ .led_classdev = {
+ .name = "hp::hddprotect",
+ .default_trigger = "none",
+ .brightness_set = delayed_sysfs_set,
+ .flags = LED_CORE_SUSPENDRESUME,
+ },
+ .set_brightness = hpled_set,
+};
+
+static bool hp_accel_i8042_filter(unsigned char data, unsigned char str,
+ struct serio *port)
+{
+ static bool extended;
+
+ if (str & I8042_STR_AUXDATA)
+ return false;
+
+ if (data == 0xe0) {
+ extended = true;
+ return true;
+ } else if (unlikely(extended)) {
+ extended = false;
+
+ switch (data) {
+ case ACCEL_1:
+ case ACCEL_2:
+ case ACCEL_3:
+ case ACCEL_4:
+ return true;
+ default:
+ serio_interrupt(port, 0xe0, 0);
+ return false;
+ }
+ }
+
+ return false;
+}
+
+static int lis3lv02d_probe(struct platform_device *device)
+{
+ int ret;
+
+ lis3_dev.bus_priv = ACPI_COMPANION(&device->dev);
+ lis3_dev.init = lis3lv02d_acpi_init;
+ lis3_dev.read = lis3lv02d_acpi_read;
+ lis3_dev.write = lis3lv02d_acpi_write;
+
+ /* obtain IRQ number of our device from ACPI */
+ ret = platform_get_irq_optional(device, 0);
+ if (ret > 0)
+ lis3_dev.irq = ret;
+
+ /* If possible use a "standard" axes order */
+ if (lis3_dev.ac.x && lis3_dev.ac.y && lis3_dev.ac.z) {
+ pr_info("Using custom axes %d,%d,%d\n",
+ lis3_dev.ac.x, lis3_dev.ac.y, lis3_dev.ac.z);
+ } else if (dmi_check_system(lis3lv02d_dmi_ids) == 0) {
+ pr_info("laptop model unknown, using default axes configuration\n");
+ lis3_dev.ac = lis3lv02d_axis_normal;
+ }
+
+ /* call the core layer do its init */
+ ret = lis3lv02d_init_device(&lis3_dev);
+ if (ret)
+ return ret;
+
+ /* filter to remove HPQ6000 accelerometer data
+ * from keyboard bus stream */
+ if (strstr(dev_name(&device->dev), "HPQ6000"))
+ i8042_install_filter(hp_accel_i8042_filter);
+
+ INIT_WORK(&hpled_led.work, delayed_set_status_worker);
+ ret = led_classdev_register(NULL, &hpled_led.led_classdev);
+ if (ret) {
+ i8042_remove_filter(hp_accel_i8042_filter);
+ lis3lv02d_joystick_disable(&lis3_dev);
+ lis3lv02d_poweroff(&lis3_dev);
+ flush_work(&hpled_led.work);
+ lis3lv02d_remove_fs(&lis3_dev);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int lis3lv02d_remove(struct platform_device *device)
+{
+ i8042_remove_filter(hp_accel_i8042_filter);
+ lis3lv02d_joystick_disable(&lis3_dev);
+ lis3lv02d_poweroff(&lis3_dev);
+
+ led_classdev_unregister(&hpled_led.led_classdev);
+ flush_work(&hpled_led.work);
+
+ lis3lv02d_remove_fs(&lis3_dev);
+ return 0;
+}
+
+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 __maybe_unused lis3lv02d_resume(struct device *dev)
+{
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
+}
+
+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 = {
+ .probe = lis3lv02d_probe,
+ .remove = lis3lv02d_remove,
+ .driver = {
+ .name = "hp_accel",
+ .pm = &hp_accel_pm,
+ .acpi_match_table = lis3lv02d_device_ids,
+ },
+};
+module_platform_driver(lis3lv02d_driver);
+
+MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED.");
+MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek");
+MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/hp/tc1100-wmi.c b/drivers/platform/x86/hp/tc1100-wmi.c
new file mode 100644
index 000000000..ded26213c
--- /dev/null
+++ b/drivers/platform/x86/hp/tc1100-wmi.c
@@ -0,0 +1,265 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HP Compaq TC1100 Tablet WMI Extras Driver
+ *
+ * Copyright (C) 2007 Carlos Corbacho <carlos@strangeworlds.co.uk>
+ * Copyright (C) 2004 Jamey Hicks <jamey.hicks@hp.com>
+ * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
+ * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/acpi.h>
+#include <linux/platform_device.h>
+
+#define GUID "C364AC71-36DB-495A-8494-B439D472A505"
+
+#define TC1100_INSTANCE_WIRELESS 1
+#define TC1100_INSTANCE_JOGDIAL 2
+
+MODULE_AUTHOR("Jamey Hicks, Carlos Corbacho");
+MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505");
+
+static struct platform_device *tc1100_device;
+
+struct tc1100_data {
+ u32 wireless;
+ u32 jogdial;
+};
+
+#ifdef CONFIG_PM
+static struct tc1100_data suspend_data;
+#endif
+
+/* --------------------------------------------------------------------------
+ Device Management
+ -------------------------------------------------------------------------- */
+
+static int get_state(u32 *out, u8 instance)
+{
+ u32 tmp;
+ acpi_status status;
+ struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+
+ if (!out)
+ return -EINVAL;
+
+ if (instance > 2)
+ return -ENODEV;
+
+ status = wmi_query_block(GUID, instance, &result);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ obj = (union acpi_object *) result.pointer;
+ if (obj && obj->type == ACPI_TYPE_INTEGER) {
+ tmp = obj->integer.value;
+ } else {
+ tmp = 0;
+ }
+
+ if (result.length > 0)
+ kfree(result.pointer);
+
+ switch (instance) {
+ case TC1100_INSTANCE_WIRELESS:
+ *out = (tmp == 3) ? 1 : 0;
+ return 0;
+ case TC1100_INSTANCE_JOGDIAL:
+ *out = (tmp == 1) ? 0 : 1;
+ return 0;
+ default:
+ return -ENODEV;
+ }
+}
+
+static int set_state(u32 *in, u8 instance)
+{
+ u32 value;
+ acpi_status status;
+ struct acpi_buffer input;
+
+ if (!in)
+ return -EINVAL;
+
+ if (instance > 2)
+ return -ENODEV;
+
+ switch (instance) {
+ case TC1100_INSTANCE_WIRELESS:
+ value = (*in) ? 1 : 2;
+ break;
+ case TC1100_INSTANCE_JOGDIAL:
+ value = (*in) ? 0 : 1;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ input.length = sizeof(u32);
+ input.pointer = &value;
+
+ status = wmi_set_block(GUID, instance, &input);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ return 0;
+}
+
+/* --------------------------------------------------------------------------
+ FS Interface (/sys)
+ -------------------------------------------------------------------------- */
+
+/*
+ * Read/ write bool sysfs macro
+ */
+#define show_set_bool(value, instance) \
+static ssize_t \
+show_bool_##value(struct device *dev, struct device_attribute *attr, \
+ char *buf) \
+{ \
+ u32 result; \
+ acpi_status status = get_state(&result, instance); \
+ if (ACPI_SUCCESS(status)) \
+ return sprintf(buf, "%d\n", result); \
+ return sprintf(buf, "Read error\n"); \
+} \
+\
+static ssize_t \
+set_bool_##value(struct device *dev, struct device_attribute *attr, \
+ const char *buf, size_t count) \
+{ \
+ u32 tmp = simple_strtoul(buf, NULL, 10); \
+ acpi_status status = set_state(&tmp, instance); \
+ if (ACPI_FAILURE(status)) \
+ return -EINVAL; \
+ return count; \
+} \
+static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, \
+ show_bool_##value, set_bool_##value);
+
+show_set_bool(wireless, TC1100_INSTANCE_WIRELESS);
+show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL);
+
+static struct attribute *tc1100_attributes[] = {
+ &dev_attr_wireless.attr,
+ &dev_attr_jogdial.attr,
+ NULL
+};
+
+static const struct attribute_group tc1100_attribute_group = {
+ .attrs = tc1100_attributes,
+};
+
+/* --------------------------------------------------------------------------
+ Driver Model
+ -------------------------------------------------------------------------- */
+
+static int __init tc1100_probe(struct platform_device *device)
+{
+ return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group);
+}
+
+
+static int tc1100_remove(struct platform_device *device)
+{
+ sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int tc1100_suspend(struct device *dev)
+{
+ int ret;
+
+ ret = get_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS);
+ if (ret)
+ return ret;
+
+ ret = get_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int tc1100_resume(struct device *dev)
+{
+ int ret;
+
+ ret = set_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS);
+ if (ret)
+ return ret;
+
+ ret = set_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct dev_pm_ops tc1100_pm_ops = {
+ .suspend = tc1100_suspend,
+ .resume = tc1100_resume,
+ .freeze = tc1100_suspend,
+ .restore = tc1100_resume,
+};
+#endif
+
+static struct platform_driver tc1100_driver = {
+ .driver = {
+ .name = "tc1100-wmi",
+#ifdef CONFIG_PM
+ .pm = &tc1100_pm_ops,
+#endif
+ },
+ .remove = tc1100_remove,
+};
+
+static int __init tc1100_init(void)
+{
+ int error;
+
+ if (!wmi_has_guid(GUID))
+ return -ENODEV;
+
+ tc1100_device = platform_device_alloc("tc1100-wmi", PLATFORM_DEVID_NONE);
+ if (!tc1100_device)
+ return -ENOMEM;
+
+ error = platform_device_add(tc1100_device);
+ if (error)
+ goto err_device_put;
+
+ error = platform_driver_probe(&tc1100_driver, tc1100_probe);
+ if (error)
+ goto err_device_del;
+
+ pr_info("HP Compaq TC1100 Tablet WMI Extras loaded\n");
+ return 0;
+
+ err_device_del:
+ platform_device_del(tc1100_device);
+ err_device_put:
+ platform_device_put(tc1100_device);
+ return error;
+}
+
+static void __exit tc1100_exit(void)
+{
+ platform_device_unregister(tc1100_device);
+ platform_driver_unregister(&tc1100_driver);
+}
+
+module_init(tc1100_init);
+module_exit(tc1100_exit);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 18:44:46 +0000