Merge tag 'platform-drivers-x86-v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
 "AMD PMC and PMF drivers:
   - Various bugfixes
   - Improved debugging support

  Intel PMC:
   - Refactor to support hw with multiple PMCs
   - Various other improvements / new hw support

  Intel Speed Select Technology (ISST):
   - TPMI Uncore Frequency + Cluster Level Power Controls
   - Various bugfixes
   - tools/intel-speed-select: Misc improvements

  Dell-DDV: Add documentation

  INT3472 ACPI camera sensor glue code:
   - Evaluate device's _DSM method to control imaging clock
   - Drop the need to have a table with per sensor-model info

  Lenovo Yogabook:
   - Refactor / rework to also support Android models

  Think-LMI:
   - Multiple improvements and fixes

  WMI:
   - Add proper API documentation for the WMI bus

  x86-android-tablets:
   - Misc new hw support

  Miscellaneous other cleanups / fixes"

* tag 'platform-drivers-x86-v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (91 commits)
  platform/x86:intel/pmc: Add Meteor Lake IOE-M PMC related maps
  platform/x86:intel/pmc: Add Meteor Lake IOE-P PMC related maps
  platform/x86:intel/pmc: Use SSRAM to discover pwrm base address of primary PMC
  platform/x86:intel/pmc: Discover PMC devices
  platform/x86:intel/pmc: Enable debugfs multiple PMC support
  platform/x86:intel/pmc: Add support to handle multiple PMCs
  platform/x86:intel/pmc: Combine core_init() and core_configure()
  platform/x86:intel/pmc: Update maps for Meteor Lake P/M platforms
  platform/x86/intel: tpmi: Remove hardcoded unit and offset
  platform/x86: int3472: discrete: Log a warning if the pin-numbers don't match
  platform/x86: int3472: discrete: Use FIELD_GET() on the GPIO _DSM return value
  platform/x86: int3472: discrete: Add alternative "AVDD" regulator supply name
  platform/x86: int3472: discrete: Add support for 1 GPIO regulator shared between 2 sensors
  platform/x86: int3472: discrete: Remove sensor_config-s
  platform/x86: int3472: discrete: Drop GPIO remapping support
  platform/x86: apple-gmux: don't use be32_to_cpu and cpu_to_be32
  platform/x86/dell/dell-rbtn: Fix resources leaking on error path
  platform/x86: ISST: Fix usage counter
  platform/x86: ISST: Reset default callback on unregister
  platform/x86: int3472: Switch back to use struct i2c_driver's .probe()
  ...

1 files changed, 55 insertions, 10 deletions

diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 1138f770149d..52d1ce8dfe44 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -14,6 +14,7 @@
 #include <linux/acpi.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/mutex.h>
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/dmi.h>
@@ -168,11 +169,11 @@ MODULE_PARM_DESC(debug_support, "Enable debug command support");
  */
 #define LENOVO_CERT_THUMBPRINT_GUID "C59119ED-1C0D-4806-A8E9-59AA318176C4"
 
-#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 TLMI_CERT    (1 << 7)
+#define TLMI_POP_PWD BIT(0) /* Supervisor */
+#define TLMI_PAP_PWD BIT(1) /* Power-on */
+#define TLMI_HDD_PWD BIT(2) /* HDD/NVME */
+#define TLMI_SMP_PWD BIT(6) /* System Management */
+#define TLMI_CERT    BIT(7) /* Certificate Based */
 
 #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)
@@ -195,6 +196,7 @@ static const char * const level_options[] = {
 };
 static struct think_lmi tlmi_priv;
 static struct class *fw_attr_class;
+static DEFINE_MUTEX(tlmi_mutex);
 
 /* ------ Utility functions ------------*/
 /* Strip out CR if one is present */
@@ -437,6 +439,9 @@ static ssize_t new_password_store(struct kobject *kobj,
 	/* Strip out CR if one is present, setting password won't work if it is present */
 	strip_cr(new_pwd);
 
+	/* Use lock in case multiple WMI operations needed */
+	mutex_lock(&tlmi_mutex);
+
 	pwdlen = strlen(new_pwd);
 	/* pwdlen == 0 is allowed to clear the password */
 	if (pwdlen && ((pwdlen < setting->minlen) || (pwdlen > setting->maxlen))) {
@@ -456,9 +461,9 @@ static ssize_t new_password_store(struct kobject *kobj,
 				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);
+				sprintf(pwd_type, "udrp%d", setting->index);
 			else
-				sprintf(pwd_type, "mnvp%d", setting->index);
+				sprintf(pwd_type, "adrp%d", setting->index);
 		} else {
 			sprintf(pwd_type, "%s", setting->pwd_type);
 		}
@@ -493,6 +498,7 @@ static ssize_t new_password_store(struct kobject *kobj,
 		kfree(auth_str);
 	}
 out:
+	mutex_unlock(&tlmi_mutex);
 	kfree(new_pwd);
 	return ret ?: count;
 }
@@ -879,6 +885,11 @@ static umode_t auth_attr_is_visible(struct kobject *kobj,
 		return 0;
 	}
 
+	/* Don't display un-needed settings if opcode available */
+	if ((attr == &auth_encoding.attr || attr == &auth_kbdlang.attr) &&
+	    tlmi_priv.opcode_support)
+		return 0;
+
 	return attr->mode;
 }
 
@@ -981,6 +992,9 @@ static ssize_t current_value_store(struct kobject *kobj,
 	/* Strip out CR if one is present */
 	strip_cr(new_setting);
 
+	/* Use lock in case multiple WMI operations needed */
+	mutex_lock(&tlmi_mutex);
+
 	/* Check if certificate authentication is enabled and active */
 	if (tlmi_priv.certificate_support && tlmi_priv.pwd_admin->cert_installed) {
 		if (!tlmi_priv.pwd_admin->signature || !tlmi_priv.pwd_admin->save_signature) {
@@ -1001,7 +1015,33 @@ static ssize_t current_value_store(struct kobject *kobj,
 				tlmi_priv.pwd_admin->save_signature);
 		if (ret)
 			goto out;
-	} else { /* Non certiifcate based authentication */
+	} else if (tlmi_priv.opcode_support) {
+		/*
+		 * If opcode support is present use that interface.
+		 * Note - this sets the variable and then the password as separate
+		 * WMI calls. Function tlmi_save_bios_settings will error if the
+		 * password is incorrect.
+		 */
+		set_str = kasprintf(GFP_KERNEL, "%s,%s;", setting->display_name,
+				    new_setting);
+		if (!set_str) {
+			ret = -ENOMEM;
+			goto out;
+		}
+
+		ret = tlmi_simple_call(LENOVO_SET_BIOS_SETTINGS_GUID, set_str);
+		if (ret)
+			goto out;
+
+		if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) {
+			ret = tlmi_opcode_setting("WmiOpcodePasswordAdmin",
+						  tlmi_priv.pwd_admin->password);
+			if (ret)
+				goto out;
+		}
+
+		ret = tlmi_save_bios_settings("");
+	} else { /* old non-opcode based authentication method (deprecated) */
 		if (tlmi_priv.pwd_admin->valid && tlmi_priv.pwd_admin->password[0]) {
 			auth_str = kasprintf(GFP_KERNEL, "%s,%s,%s;",
 					tlmi_priv.pwd_admin->password,
@@ -1039,6 +1079,7 @@ static ssize_t current_value_store(struct kobject *kobj,
 		kobject_uevent(&tlmi_priv.class_dev->kobj, KOBJ_CHANGE);
 	}
 out:
+	mutex_unlock(&tlmi_mutex);
 	kfree(auth_str);
 	kfree(set_str);
 	kfree(new_setting);
@@ -1483,11 +1524,11 @@ static int tlmi_analyze(void)
 		tlmi_priv.pwd_power->valid = true;
 
 	if (tlmi_priv.opcode_support) {
-		tlmi_priv.pwd_system = tlmi_create_auth("sys", "system");
+		tlmi_priv.pwd_system = tlmi_create_auth("smp", "system");
 		if (!tlmi_priv.pwd_system)
 			goto fail_clear_attr;
 
-		if (tlmi_priv.pwdcfg.core.password_state & TLMI_SYS_PWD)
+		if (tlmi_priv.pwdcfg.core.password_state & TLMI_SMP_PWD)
 			tlmi_priv.pwd_system->valid = true;
 
 		tlmi_priv.pwd_hdd = tlmi_create_auth("hdd", "hdd");
@@ -1498,6 +1539,10 @@ static int tlmi_analyze(void)
 		if (!tlmi_priv.pwd_nvme)
 			goto fail_clear_attr;
 
+		/* Set default hdd/nvme index to 1 as there is no device 0 */
+		tlmi_priv.pwd_hdd->index = 1;
+		tlmi_priv.pwd_nvme->index = 1;
+
 		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 ||