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-rw-r--r--drivers/platform/x86/Kconfig3
-rw-r--r--drivers/platform/x86/amd-pmc.c249
-rw-r--r--drivers/platform/x86/asus-nb-wmi.c28
-rw-r--r--drivers/platform/x86/dual_accel_detect.h76
-rw-r--r--drivers/platform/x86/gigabyte-wmi.c3
-rw-r--r--drivers/platform/x86/intel-hid.c22
-rw-r--r--drivers/platform/x86/intel-vbtn.c18
-rw-r--r--drivers/platform/x86/pcengines-apuv2.c2
-rw-r--r--drivers/platform/x86/think-lmi.c45
-rw-r--r--drivers/platform/x86/think-lmi.h1
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c3
-rw-r--r--drivers/platform/x86/wireless-hotkey.c2
12 files changed, 399 insertions, 53 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 7d385c3b2239..d12db6c316ea 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -508,6 +508,7 @@ config THINKPAD_ACPI
depends on RFKILL || RFKILL = n
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on BACKLIGHT_CLASS_DEVICE
+ depends on I2C
select ACPI_PLATFORM_PROFILE
select HWMON
select NVRAM
@@ -691,6 +692,7 @@ config INTEL_HID_EVENT
tristate "INTEL HID Event"
depends on ACPI
depends on INPUT
+ depends on I2C
select INPUT_SPARSEKMAP
help
This driver provides support for the Intel HID Event hotkey interface.
@@ -742,6 +744,7 @@ config INTEL_VBTN
tristate "INTEL VIRTUAL BUTTON"
depends on ACPI
depends on INPUT
+ depends on I2C
select INPUT_SPARSEKMAP
help
This driver provides support for the Intel Virtual Button interface.
diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index b9da58ee9b1e..3481479a2942 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -46,34 +46,79 @@
#define AMD_PMC_RESULT_CMD_UNKNOWN 0xFE
#define AMD_PMC_RESULT_FAILED 0xFF
+/* FCH SSC Registers */
+#define FCH_S0I3_ENTRY_TIME_L_OFFSET 0x30
+#define FCH_S0I3_ENTRY_TIME_H_OFFSET 0x34
+#define FCH_S0I3_EXIT_TIME_L_OFFSET 0x38
+#define FCH_S0I3_EXIT_TIME_H_OFFSET 0x3C
+#define FCH_SSC_MAPPING_SIZE 0x800
+#define FCH_BASE_PHY_ADDR_LOW 0xFED81100
+#define FCH_BASE_PHY_ADDR_HIGH 0x00000000
+
+/* SMU Message Definations */
+#define SMU_MSG_GETSMUVERSION 0x02
+#define SMU_MSG_LOG_GETDRAM_ADDR_HI 0x04
+#define SMU_MSG_LOG_GETDRAM_ADDR_LO 0x05
+#define SMU_MSG_LOG_START 0x06
+#define SMU_MSG_LOG_RESET 0x07
+#define SMU_MSG_LOG_DUMP_DATA 0x08
+#define SMU_MSG_GET_SUP_CONSTRAINTS 0x09
/* List of supported CPU ids */
#define AMD_CPU_ID_RV 0x15D0
#define AMD_CPU_ID_RN 0x1630
#define AMD_CPU_ID_PCO AMD_CPU_ID_RV
#define AMD_CPU_ID_CZN AMD_CPU_ID_RN
+#define AMD_CPU_ID_YC 0x14B5
-#define AMD_SMU_FW_VERSION 0x0
#define PMC_MSG_DELAY_MIN_US 100
#define RESPONSE_REGISTER_LOOP_MAX 200
+#define SOC_SUBSYSTEM_IP_MAX 12
+#define DELAY_MIN_US 2000
+#define DELAY_MAX_US 3000
enum amd_pmc_def {
MSG_TEST = 0x01,
MSG_OS_HINT_PCO,
MSG_OS_HINT_RN,
};
+struct amd_pmc_bit_map {
+ const char *name;
+ u32 bit_mask;
+};
+
+static const struct amd_pmc_bit_map soc15_ip_blk[] = {
+ {"DISPLAY", BIT(0)},
+ {"CPU", BIT(1)},
+ {"GFX", BIT(2)},
+ {"VDD", BIT(3)},
+ {"ACP", BIT(4)},
+ {"VCN", BIT(5)},
+ {"ISP", BIT(6)},
+ {"NBIO", BIT(7)},
+ {"DF", BIT(8)},
+ {"USB0", BIT(9)},
+ {"USB1", BIT(10)},
+ {"LAPIC", BIT(11)},
+ {}
+};
+
struct amd_pmc_dev {
void __iomem *regbase;
- void __iomem *smu_base;
+ void __iomem *smu_virt_addr;
+ void __iomem *fch_virt_addr;
u32 base_addr;
u32 cpu_id;
+ u32 active_ips;
struct device *dev;
+ struct mutex lock; /* generic mutex lock */
#if IS_ENABLED(CONFIG_DEBUG_FS)
struct dentry *dbgfs_dir;
#endif /* CONFIG_DEBUG_FS */
};
static struct amd_pmc_dev pmc;
+static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret);
static inline u32 amd_pmc_reg_read(struct amd_pmc_dev *dev, int reg_offset)
{
@@ -85,18 +130,77 @@ static inline void amd_pmc_reg_write(struct amd_pmc_dev *dev, int reg_offset, u3
iowrite32(val, dev->regbase + reg_offset);
}
+struct smu_metrics {
+ u32 table_version;
+ u32 hint_count;
+ u32 s0i3_cyclecount;
+ u32 timein_s0i2;
+ u64 timeentering_s0i3_lastcapture;
+ u64 timeentering_s0i3_totaltime;
+ u64 timeto_resume_to_os_lastcapture;
+ u64 timeto_resume_to_os_totaltime;
+ u64 timein_s0i3_lastcapture;
+ u64 timein_s0i3_totaltime;
+ u64 timein_swdrips_lastcapture;
+ u64 timein_swdrips_totaltime;
+ u64 timecondition_notmet_lastcapture[SOC_SUBSYSTEM_IP_MAX];
+ u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX];
+} __packed;
+
#ifdef CONFIG_DEBUG_FS
static int smu_fw_info_show(struct seq_file *s, void *unused)
{
struct amd_pmc_dev *dev = s->private;
- u32 value;
+ struct smu_metrics table;
+ int idx;
+
+ if (dev->cpu_id == AMD_CPU_ID_PCO)
+ return -EINVAL;
+
+ memcpy_fromio(&table, dev->smu_virt_addr, sizeof(struct smu_metrics));
+
+ seq_puts(s, "\n=== SMU Statistics ===\n");
+ seq_printf(s, "Table Version: %d\n", table.table_version);
+ seq_printf(s, "Hint Count: %d\n", table.hint_count);
+ seq_printf(s, "S0i3 Cycle Count: %d\n", table.s0i3_cyclecount);
+ seq_printf(s, "Time (in us) to S0i3: %lld\n", table.timeentering_s0i3_lastcapture);
+ seq_printf(s, "Time (in us) in S0i3: %lld\n", table.timein_s0i3_lastcapture);
+
+ seq_puts(s, "\n=== Active time (in us) ===\n");
+ for (idx = 0 ; idx < SOC_SUBSYSTEM_IP_MAX ; idx++) {
+ if (soc15_ip_blk[idx].bit_mask & dev->active_ips)
+ seq_printf(s, "%-8s : %lld\n", soc15_ip_blk[idx].name,
+ table.timecondition_notmet_lastcapture[idx]);
+ }
- value = ioread32(dev->smu_base + AMD_SMU_FW_VERSION);
- seq_printf(s, "SMU FW Info: %x\n", value);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(smu_fw_info);
+static int s0ix_stats_show(struct seq_file *s, void *unused)
+{
+ struct amd_pmc_dev *dev = s->private;
+ u64 entry_time, exit_time, residency;
+
+ entry_time = ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_H_OFFSET);
+ entry_time = entry_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_ENTRY_TIME_L_OFFSET);
+
+ exit_time = ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_H_OFFSET);
+ exit_time = exit_time << 32 | ioread32(dev->fch_virt_addr + FCH_S0I3_EXIT_TIME_L_OFFSET);
+
+ /* It's in 48MHz. We need to convert it */
+ residency = exit_time - entry_time;
+ do_div(residency, 48);
+
+ seq_puts(s, "=== S0ix statistics ===\n");
+ seq_printf(s, "S0ix Entry Time: %lld\n", entry_time);
+ seq_printf(s, "S0ix Exit Time: %lld\n", exit_time);
+ seq_printf(s, "Residency Time: %lld\n", residency);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(s0ix_stats);
+
static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev)
{
debugfs_remove_recursive(dev->dbgfs_dir);
@@ -107,6 +211,8 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
dev->dbgfs_dir = debugfs_create_dir("amd_pmc", NULL);
debugfs_create_file("smu_fw_info", 0644, dev->dbgfs_dir, dev,
&smu_fw_info_fops);
+ debugfs_create_file("s0ix_stats", 0644, dev->dbgfs_dir, dev,
+ &s0ix_stats_fops);
}
#else
static inline void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
@@ -118,6 +224,32 @@ static inline void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev)
}
#endif /* CONFIG_DEBUG_FS */
+static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev)
+{
+ u32 phys_addr_low, phys_addr_hi;
+ u64 smu_phys_addr;
+
+ if (dev->cpu_id == AMD_CPU_ID_PCO)
+ return -EINVAL;
+
+ /* Get Active devices list from SMU */
+ amd_pmc_send_cmd(dev, 0, &dev->active_ips, SMU_MSG_GET_SUP_CONSTRAINTS, 1);
+
+ /* Get dram address */
+ amd_pmc_send_cmd(dev, 0, &phys_addr_low, SMU_MSG_LOG_GETDRAM_ADDR_LO, 1);
+ amd_pmc_send_cmd(dev, 0, &phys_addr_hi, SMU_MSG_LOG_GETDRAM_ADDR_HI, 1);
+ smu_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low);
+
+ dev->smu_virt_addr = devm_ioremap(dev->dev, smu_phys_addr, sizeof(struct smu_metrics));
+ if (!dev->smu_virt_addr)
+ return -ENOMEM;
+
+ /* Start the logging */
+ amd_pmc_send_cmd(dev, 0, NULL, SMU_MSG_LOG_START, 0);
+
+ return 0;
+}
+
static void amd_pmc_dump_registers(struct amd_pmc_dev *dev)
{
u32 value;
@@ -132,19 +264,19 @@ static void amd_pmc_dump_registers(struct amd_pmc_dev *dev)
dev_dbg(dev->dev, "AMD_PMC_REGISTER_MESSAGE:%x\n", value);
}
-static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set)
+static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg, bool ret)
{
int rc;
- u8 msg;
u32 val;
+ mutex_lock(&dev->lock);
/* Wait until we get a valid response */
rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE,
- val, val > 0, PMC_MSG_DELAY_MIN_US,
+ val, val != 0, PMC_MSG_DELAY_MIN_US,
PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX);
if (rc) {
dev_err(dev->dev, "failed to talk to SMU\n");
- return rc;
+ goto out_unlock;
}
/* Write zero to response register */
@@ -154,34 +286,91 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set)
amd_pmc_reg_write(dev, AMD_PMC_REGISTER_ARGUMENT, set);
/* Write message ID to message ID register */
- msg = (dev->cpu_id == AMD_CPU_ID_RN) ? MSG_OS_HINT_RN : MSG_OS_HINT_PCO;
amd_pmc_reg_write(dev, AMD_PMC_REGISTER_MESSAGE, msg);
- return 0;
+
+ /* Wait until we get a valid response */
+ rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE,
+ val, val != 0, PMC_MSG_DELAY_MIN_US,
+ PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX);
+ if (rc) {
+ dev_err(dev->dev, "SMU response timed out\n");
+ goto out_unlock;
+ }
+
+ switch (val) {
+ case AMD_PMC_RESULT_OK:
+ if (ret) {
+ /* PMFW may take longer time to return back the data */
+ usleep_range(DELAY_MIN_US, 10 * DELAY_MAX_US);
+ *data = amd_pmc_reg_read(dev, AMD_PMC_REGISTER_ARGUMENT);
+ }
+ break;
+ case AMD_PMC_RESULT_CMD_REJECT_BUSY:
+ dev_err(dev->dev, "SMU not ready. err: 0x%x\n", val);
+ rc = -EBUSY;
+ goto out_unlock;
+ case AMD_PMC_RESULT_CMD_UNKNOWN:
+ dev_err(dev->dev, "SMU cmd unknown. err: 0x%x\n", val);
+ rc = -EINVAL;
+ goto out_unlock;
+ case AMD_PMC_RESULT_CMD_REJECT_PREREQ:
+ case AMD_PMC_RESULT_FAILED:
+ default:
+ dev_err(dev->dev, "SMU cmd failed. err: 0x%x\n", val);
+ rc = -EIO;
+ goto out_unlock;
+ }
+
+out_unlock:
+ mutex_unlock(&dev->lock);
+ amd_pmc_dump_registers(dev);
+ return rc;
+}
+
+static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
+{
+ switch (dev->cpu_id) {
+ case AMD_CPU_ID_PCO:
+ return MSG_OS_HINT_PCO;
+ case AMD_CPU_ID_RN:
+ case AMD_CPU_ID_YC:
+ return MSG_OS_HINT_RN;
+ }
+ return -EINVAL;
}
static int __maybe_unused amd_pmc_suspend(struct device *dev)
{
struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
int rc;
+ u8 msg;
+
+ /* Reset and Start SMU logging - to monitor the s0i3 stats */
+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_RESET, 0);
+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_START, 0);
- rc = amd_pmc_send_cmd(pdev, 1);
+ msg = amd_pmc_get_os_hint(pdev);
+ rc = amd_pmc_send_cmd(pdev, 1, NULL, msg, 0);
if (rc)
dev_err(pdev->dev, "suspend failed\n");
- amd_pmc_dump_registers(pdev);
- return 0;
+ return rc;
}
static int __maybe_unused amd_pmc_resume(struct device *dev)
{
struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
int rc;
+ u8 msg;
+
+ /* Let SMU know that we are looking for stats */
+ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0);
- rc = amd_pmc_send_cmd(pdev, 0);
+ msg = amd_pmc_get_os_hint(pdev);
+ rc = amd_pmc_send_cmd(pdev, 0, NULL, msg, 0);
if (rc)
dev_err(pdev->dev, "resume failed\n");
- amd_pmc_dump_registers(pdev);
return 0;
}
@@ -190,6 +379,7 @@ static const struct dev_pm_ops amd_pmc_pm_ops = {
};
static const struct pci_device_id pmc_pci_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RN) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PCO) },
@@ -201,9 +391,8 @@ static int amd_pmc_probe(struct platform_device *pdev)
{
struct amd_pmc_dev *dev = &pmc;
struct pci_dev *rdev;
- u32 base_addr_lo;
- u32 base_addr_hi;
- u64 base_addr;
+ u32 base_addr_lo, base_addr_hi;
+ u64 base_addr, fch_phys_addr;
int err;
u32 val;
@@ -248,16 +437,25 @@ static int amd_pmc_probe(struct platform_device *pdev)
pci_dev_put(rdev);
base_addr = ((u64)base_addr_hi << 32 | base_addr_lo);
- dev->smu_base = devm_ioremap(dev->dev, base_addr, AMD_PMC_MAPPING_SIZE);
- if (!dev->smu_base)
- return -ENOMEM;
-
dev->regbase = devm_ioremap(dev->dev, base_addr + AMD_PMC_BASE_ADDR_OFFSET,
AMD_PMC_MAPPING_SIZE);
if (!dev->regbase)
return -ENOMEM;
- amd_pmc_dump_registers(dev);
+ mutex_init(&dev->lock);
+
+ /* Use FCH registers to get the S0ix stats */
+ base_addr_lo = FCH_BASE_PHY_ADDR_LOW;
+ 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;
+
+ /* Use SMU to get the s0i3 debug stats */
+ err = amd_pmc_setup_smu_logging(dev);
+ if (err)
+ dev_err(dev->dev, "SMU debugging info not supported on this platform\n");
platform_set_drvdata(pdev, dev);
amd_pmc_dbgfs_register(dev);
@@ -269,11 +467,14 @@ static int amd_pmc_remove(struct platform_device *pdev)
struct amd_pmc_dev *dev = platform_get_drvdata(pdev);
amd_pmc_dbgfs_unregister(dev);
+ mutex_destroy(&dev->lock);
return 0;
}
static const struct acpi_device_id amd_pmc_acpi_ids[] = {
{"AMDI0005", 0},
+ {"AMDI0006", 0},
+ {"AMDI0007", 0},
{"AMD0004", 0},
{ }
};
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 0cb927f0f301..a81dc4b191b7 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -41,6 +41,10 @@ static int wapf = -1;
module_param(wapf, uint, 0444);
MODULE_PARM_DESC(wapf, "WAPF value");
+static int tablet_mode_sw = -1;
+module_param(tablet_mode_sw, uint, 0444);
+MODULE_PARM_DESC(tablet_mode_sw, "Tablet mode detect: -1:auto 0:disable 1:kbd-dock 2:lid-flip");
+
static struct quirk_entry *quirks;
static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
@@ -458,6 +462,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
.driver_data = &quirk_asus_use_lid_flip_devid,
},
+ {
+ .callback = dmi_matched,
+ .ident = "ASUS TP200s / E205SA",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "E205SA"),
+ },
+ .driver_data = &quirk_asus_use_lid_flip_devid,
+ },
{},
};
@@ -477,6 +490,21 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
else
wapf = quirks->wapf;
+ switch (tablet_mode_sw) {
+ case 0:
+ quirks->use_kbd_dock_devid = false;
+ quirks->use_lid_flip_devid = false;
+ break;
+ case 1:
+ quirks->use_kbd_dock_devid = true;
+ quirks->use_lid_flip_devid = false;
+ break;
+ case 2:
+ quirks->use_kbd_dock_devid = false;
+ quirks->use_lid_flip_devid = true;
+ break;
+ }
+
if (quirks->i8042_filter) {
ret = i8042_install_filter(quirks->i8042_filter);
if (ret) {
diff --git a/drivers/platform/x86/dual_accel_detect.h b/drivers/platform/x86/dual_accel_detect.h
new file mode 100644
index 000000000000..a9eae17cc43d
--- /dev/null
+++ b/drivers/platform/x86/dual_accel_detect.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Helper code to detect 360 degree hinges (yoga) style 2-in-1 devices using 2 accelerometers
+ * to allow the OS to determine the angle between the display and the base of the device.
+ *
+ * On Windows these are read by a special HingeAngleService process which calls undocumented
+ * ACPI methods, to let the firmware know if the 2-in-1 is in tablet- or laptop-mode.
+ * The firmware may use this to disable the kbd and touchpad to avoid spurious input in
+ * tablet-mode as well as to report SW_TABLET_MODE info to the OS.
+ *
+ * Since Linux does not call these undocumented methods, the SW_TABLET_MODE info reported
+ * by various drivers/platform/x86 drivers is incorrect. These drivers use the detection
+ * code in this file to disable SW_TABLET_MODE reporting to avoid reporting broken info
+ * (instead userspace can derive the status itself by directly reading the 2 accels).
+ */
+
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+
+static int dual_accel_i2c_resource_count(struct acpi_resource *ares, void *data)
+{
+ struct acpi_resource_i2c_serialbus *sb;
+ int *count = data;
+
+ if (i2c_acpi_get_i2c_resource(ares, &sb))
+ *count = *count + 1;
+
+ return 1;
+}
+
+static int dual_accel_i2c_client_count(struct acpi_device *adev)
+{
+ int ret, count = 0;
+ LIST_HEAD(r);
+
+ ret = acpi_dev_get_resources(adev, &r, dual_accel_i2c_resource_count, &count);
+ if (ret < 0)
+ return ret;
+
+ acpi_dev_free_resource_list(&r);
+ return count;
+}
+
+static bool dual_accel_detect_bosc0200(void)
+{
+ struct acpi_device *adev;
+ int count;
+
+ adev = acpi_dev_get_first_match_dev("BOSC0200", NULL, -1);
+ if (!adev)
+ return false;
+
+ count = dual_accel_i2c_client_count(adev);
+
+ acpi_dev_put(adev);
+
+ return count == 2;
+}
+
+static bool dual_accel_detect(void)
+{
+ /* Systems which use a pair of accels with KIOX010A / KIOX020A ACPI ids */
+ if (acpi_dev_present("KIOX010A", NULL, -1) &&
+ acpi_dev_present("KIOX020A", NULL, -1))
+ return true;
+
+ /* Systems which use a single DUAL250E ACPI device to model 2 accels */
+ if (acpi_dev_present("DUAL250E", NULL, -1))
+ return true;
+
+ /* Systems which use a single BOSC0200 ACPI device to model 2 accels */
+ if (dual_accel_detect_bosc0200())
+ return true;
+
+ return false;
+}
diff --git a/drivers/platform/x86/gigabyte-wmi.c b/drivers/platform/x86/gigabyte-wmi.c
index 5529d7b0abea..7f3a03f937f6 100644
--- a/drivers/platform/x86/gigabyte-wmi.c
+++ b/drivers/platform/x86/gigabyte-wmi.c
@@ -140,12 +140,15 @@ static u8 gigabyte_wmi_detect_sensor_usability(struct wmi_device *wdev)
}}
static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = {
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B450M S2H V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE"),
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 GAMING X V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M AORUS PRO-P"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M DS3H"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("Z390 I AORUS PRO WIFI-CF"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 AORUS ELITE"),
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 GAMING X"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 I AORUS PRO WIFI"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 UD"),
{ }
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index 078648a9201b..2e4e97a626a5 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/suspend.h>
+#include "dual_accel_detect.h"
/* When NOT in tablet mode, VGBS returns with the flag 0x40 */
#define TABLET_MODE_FLAG BIT(6)
@@ -25,6 +26,7 @@ static const struct acpi_device_id intel_hid_ids[] = {
{"INT33D5", 0},
{"INTC1051", 0},
{"INTC1054", 0},
+ {"INTC1070", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, intel_hid_ids);
@@ -121,6 +123,7 @@ struct intel_hid_priv {
struct input_dev *array;
struct input_dev *switches;
bool wakeup_mode;
+ bool dual_accel;
};
#define HID_EVENT_FILTER_UUID "eeec56b3-4442-408f-a792-4edd4d758054"
@@ -450,22 +453,9 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
* SW_TABLET_MODE report, in these cases we enable support when receiving
* the first event instead of during driver setup.
*
- * Some 360 degree hinges (yoga) style 2-in-1 devices use 2 accelerometers
- * to allow the OS to determine the angle between the display and the base
- * of the device. On Windows these are read by a special HingeAngleService
- * process which calls an ACPI DSM (Device Specific Method) on the
- * ACPI KIOX010A device node for the sensor in the display, to let the
- * firmware know if the 2-in-1 is in tablet- or laptop-mode so that it can
- * disable the kbd and touchpad to avoid spurious input in tablet-mode.
- *
- * The linux kxcjk1013 driver calls the DSM for this once at probe time
- * to ensure that the builtin kbd and touchpad work. On some devices this
- * causes a "spurious" 0xcd event on the intel-hid ACPI dev. In this case
- * there is not a functional tablet-mode switch, so we should not register
- * the tablet-mode switch device.
+ * See dual_accel_detect.h for more info on the dual_accel check.
*/
- if (!priv->switches && (event == 0xcc || event == 0xcd) &&
- !acpi_dev_present("KIOX010A", NULL, -1)) {
+ if (!priv->switches && !priv->dual_accel && (event == 0xcc || event == 0xcd)) {
dev_info(&device->dev, "switch event received, enable switches supports\n");
err = intel_hid_switches_setup(device);
if (err)
@@ -606,6 +596,8 @@ static int intel_hid_probe(struct platform_device *device)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
+ priv->dual_accel = dual_accel_detect();
+
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index 888a764efad1..309166431063 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/suspend.h>
+#include "dual_accel_detect.h"
/* Returned when NOT in tablet mode on some HP Stream x360 11 models */
#define VGBS_TABLET_MODE_FLAG_ALT 0x10
@@ -66,6 +67,7 @@ static const struct key_entry intel_vbtn_switchmap[] = {
struct intel_vbtn_priv {
struct input_dev *buttons_dev;
struct input_dev *switches_dev;
+ bool dual_accel;
bool has_buttons;
bool has_switches;
bool wakeup_mode;
@@ -160,6 +162,10 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
input_dev = priv->buttons_dev;
} else if ((ke = sparse_keymap_entry_from_scancode(priv->switches_dev, event))) {
if (!priv->has_switches) {
+ /* See dual_accel_detect.h for more info */
+ if (priv->dual_accel)
+ return;
+
dev_info(&device->dev, "Registering Intel Virtual Switches input-dev after receiving a switch event\n");
ret = input_register_device(priv->switches_dev);
if (ret)
@@ -248,11 +254,15 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
{} /* Array terminator */
};
-static bool intel_vbtn_has_switches(acpi_handle handle)
+static bool intel_vbtn_has_switches(acpi_handle handle, bool dual_accel)
{
unsigned long long vgbs;
acpi_status status;
+ /* See dual_accel_detect.h for more info */
+ if (dual_accel)
+ return false;
+
if (!dmi_check_system(dmi_switches_allow_list))
return false;
@@ -263,13 +273,14 @@ static bool intel_vbtn_has_switches(acpi_handle handle)
static int intel_vbtn_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
- bool has_buttons, has_switches;
+ bool dual_accel, has_buttons, has_switches;
struct intel_vbtn_priv *priv;
acpi_status status;
int err;
+ dual_accel = dual_accel_detect();
has_buttons = acpi_has_method(handle, "VBDL");
- has_switches = intel_vbtn_has_switches(handle);
+ has_switches = intel_vbtn_has_switches(handle, dual_accel);
if (!has_buttons && !has_switches) {
dev_warn(&device->dev, "failed to read Intel Virtual Button driver\n");
@@ -281,6 +292,7 @@ static int intel_vbtn_probe(struct platform_device *device)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
+ priv->dual_accel = dual_accel;
priv->has_buttons = has_buttons;
priv->has_switches = has_switches;
diff --git a/drivers/platform/x86/pcengines-apuv2.c b/drivers/platform/x86/pcengines-apuv2.c
index c37349f97bb8..d063d91db9bc 100644
--- a/drivers/platform/x86/pcengines-apuv2.c
+++ b/drivers/platform/x86/pcengines-apuv2.c
@@ -94,6 +94,7 @@ static struct gpiod_lookup_table gpios_led_table = {
NULL, 1, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX(AMD_FCH_GPIO_DRIVER_NAME, APU2_GPIO_LINE_LED3,
NULL, 2, GPIO_ACTIVE_LOW),
+ {} /* Terminating entry */
}
};
@@ -123,6 +124,7 @@ static struct gpiod_lookup_table gpios_key_table = {
.table = {
GPIO_LOOKUP_IDX(AMD_FCH_GPIO_DRIVER_NAME, APU2_GPIO_LINE_MODESW,
NULL, 0, GPIO_ACTIVE_LOW),
+ {} /* Terminating entry */
}
};
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 3671b5d20613..6cfed4427fb0 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -571,6 +571,11 @@ static ssize_t current_value_store(struct kobject *kobj,
else
ret = tlmi_save_bios_settings("");
+ if (!ret && !tlmi_priv.pending_changes) {
+ tlmi_priv.pending_changes = true;
+ /* let userland know it may need to check reboot pending again */
+ kobject_uevent(&tlmi_priv.class_dev->kobj, KOBJ_CHANGE);
+ }
out:
kfree(auth_str);
kfree(set_str);
@@ -647,6 +652,14 @@ static struct kobj_type tlmi_pwd_setting_ktype = {
.sysfs_ops = &tlmi_kobj_sysfs_ops,
};
+static ssize_t pending_reboot_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%d\n", tlmi_priv.pending_changes);
+}
+
+static struct kobj_attribute pending_reboot = __ATTR_RO(pending_reboot);
+
/* ---- Initialisation --------------------------------------------------------- */
static void tlmi_release_attr(void)
{
@@ -659,6 +672,7 @@ static void tlmi_release_attr(void)
kobject_put(&tlmi_priv.setting[i]->kobj);
}
}
+ sysfs_remove_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr);
kset_unregister(tlmi_priv.attribute_kset);
/* Authentication structures */
@@ -709,8 +723,8 @@ static int tlmi_sysfs_init(void)
/* Build attribute */
tlmi_priv.setting[i]->kobj.kset = tlmi_priv.attribute_kset;
- ret = kobject_init_and_add(&tlmi_priv.setting[i]->kobj, &tlmi_attr_setting_ktype,
- NULL, "%s", tlmi_priv.setting[i]->display_name);
+ ret = kobject_add(&tlmi_priv.setting[i]->kobj, NULL,
+ "%s", tlmi_priv.setting[i]->display_name);
if (ret)
goto fail_create_attr;
@@ -719,6 +733,10 @@ static int tlmi_sysfs_init(void)
goto fail_create_attr;
}
+ ret = sysfs_create_file(&tlmi_priv.attribute_kset->kobj, &pending_reboot.attr);
+ if (ret)
+ goto fail_create_attr;
+
/* Create authentication entries */
tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
&tlmi_priv.class_dev->kobj);
@@ -727,8 +745,7 @@ static int tlmi_sysfs_init(void)
goto fail_create_attr;
}
tlmi_priv.pwd_admin->kobj.kset = tlmi_priv.authentication_kset;
- ret = kobject_init_and_add(&tlmi_priv.pwd_admin->kobj, &tlmi_pwd_setting_ktype,
- NULL, "%s", "Admin");
+ ret = kobject_add(&tlmi_priv.pwd_admin->kobj, NULL, "%s", "Admin");
if (ret)
goto fail_create_attr;
@@ -737,8 +754,7 @@ static int tlmi_sysfs_init(void)
goto fail_create_attr;
tlmi_priv.pwd_power->kobj.kset = tlmi_priv.authentication_kset;
- ret = kobject_init_and_add(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype,
- NULL, "%s", "System");
+ ret = kobject_add(&tlmi_priv.pwd_power->kobj, NULL, "%s", "System");
if (ret)
goto fail_create_attr;
@@ -818,6 +834,7 @@ static int tlmi_analyze(void)
pr_info("Error retrieving possible values for %d : %s\n",
i, setting->display_name);
}
+ kobject_init(&setting->kobj, &tlmi_attr_setting_ktype);
tlmi_priv.setting[i] = setting;
tlmi_priv.settings_count++;
kfree(item);
@@ -844,10 +861,12 @@ static int tlmi_analyze(void)
if (pwdcfg.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 = kzalloc(sizeof(struct tlmi_pwd_setting), GFP_KERNEL);
if (!tlmi_priv.pwd_power) {
ret = -ENOMEM;
- goto fail_clear_attr;
+ goto fail_free_pwd_admin;
}
strscpy(tlmi_priv.pwd_power->kbdlang, "us", TLMI_LANG_MAXLEN);
tlmi_priv.pwd_power->encoding = TLMI_ENCODING_ASCII;
@@ -859,11 +878,19 @@ static int tlmi_analyze(void)
if (pwdcfg.password_state & TLMI_POP_PWD)
tlmi_priv.pwd_power->valid = true;
+ kobject_init(&tlmi_priv.pwd_power->kobj, &tlmi_pwd_setting_ktype);
+
return 0;
+fail_free_pwd_admin:
+ kfree(tlmi_priv.pwd_admin);
fail_clear_attr:
- for (i = 0; i < TLMI_SETTINGS_COUNT; ++i)
- kfree(tlmi_priv.setting[i]);
+ for (i = 0; i < TLMI_SETTINGS_COUNT; ++i) {
+ if (tlmi_priv.setting[i]) {
+ kfree(tlmi_priv.setting[i]->possible_values);
+ kfree(tlmi_priv.setting[i]);
+ }
+ }
return ret;
}
diff --git a/drivers/platform/x86/think-lmi.h b/drivers/platform/x86/think-lmi.h
index 6fa8da7af6c7..eb598846628a 100644
--- a/drivers/platform/x86/think-lmi.h
+++ b/drivers/platform/x86/think-lmi.h
@@ -60,6 +60,7 @@ struct think_lmi {
bool can_get_bios_selections;
bool can_set_bios_password;
bool can_get_password_settings;
+ bool pending_changes;
struct tlmi_attr_setting *setting[TLMI_SETTINGS_COUNT];
struct device *class_dev;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 603156a6e3ed..50ff04c84650 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -73,6 +73,7 @@
#include <linux/uaccess.h>
#include <acpi/battery.h>
#include <acpi/video.h>
+#include "dual_accel_detect.h"
/* ThinkPad CMOS commands */
#define TP_CMOS_VOLUME_DOWN 0
@@ -3232,7 +3233,7 @@ static int hotkey_init_tablet_mode(void)
* the laptop/tent/tablet mode to the EC. The bmc150 iio driver
* does not support this, so skip the hotkey on these models.
*/
- if (has_tablet_mode && !acpi_dev_present("BOSC0200", "1", -1))
+ if (has_tablet_mode && !dual_accel_detect())
tp_features.hotkey_tablet = TP_HOTKEY_TABLET_USES_GMMS;
type = "GMMS";
} else if (acpi_evalf(hkey_handle, &res, "MHKG", "qd")) {
diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c
index b010e4ca3383..11c60a273446 100644
--- a/drivers/platform/x86/wireless-hotkey.c
+++ b/drivers/platform/x86/wireless-hotkey.c
@@ -78,7 +78,7 @@ static int wl_add(struct acpi_device *device)
err = wireless_input_setup();
if (err)
- pr_err("Failed to setup hp wireless hotkeys\n");
+ pr_err("Failed to setup wireless hotkeys\n");
return err;
}