diff options
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 416 |
1 files changed, 412 insertions, 4 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index ebaeb7bb80f5..e14fb5fa7324 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -26,6 +26,7 @@ #include <linux/rfkill.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> +#include <linux/platform_profile.h> #include <linux/power_supply.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> @@ -210,12 +211,24 @@ struct asus_wmi { u8 fan_boost_mode_mask; u8 fan_boost_mode; + bool egpu_enable_available; // 0 = enable + bool egpu_enable; + + bool dgpu_disable_available; + bool dgpu_disable; + bool throttle_thermal_policy_available; u8 throttle_thermal_policy_mode; + struct platform_profile_handler platform_profile_handler; + bool platform_profile_support; + // The RSOC controls the maximum charging percentage. bool battery_rsoc_available; + bool panel_overdrive_available; + bool panel_overdrive; + struct hotplug_slot hotplug_slot; struct mutex hotplug_lock; struct mutex wmi_lock; @@ -424,6 +437,181 @@ static void lid_flip_tablet_mode_get_state(struct asus_wmi *asus) } } +/* dGPU ********************************************************************/ +static int dgpu_disable_check_present(struct asus_wmi *asus) +{ + u32 result; + int err; + + asus->dgpu_disable_available = false; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_DGPU, &result); + if (err) { + if (err == -ENODEV) + return 0; + return err; + } + + if (result & ASUS_WMI_DSTS_PRESENCE_BIT) { + asus->dgpu_disable_available = true; + asus->dgpu_disable = result & ASUS_WMI_DSTS_STATUS_BIT; + } + + return 0; +} + +static int dgpu_disable_write(struct asus_wmi *asus) +{ + u32 retval; + u8 value; + int err; + + /* Don't rely on type conversion */ + value = asus->dgpu_disable ? 1 : 0; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, value, &retval); + if (err) { + pr_warn("Failed to set dgpu disable: %d\n", err); + return err; + } + + if (retval > 1) { + pr_warn("Failed to set dgpu disable (retval): 0x%x\n", retval); + return -EIO; + } + + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable"); + + return 0; +} + +static ssize_t dgpu_disable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + u8 mode = asus->dgpu_disable; + + return sysfs_emit(buf, "%d\n", mode); +} + +/* + * A user may be required to store the value twice, typcial store first, then + * rescan PCI bus to activate power, then store a second time to save correctly. + * The reason for this is that an extra code path in the ACPI is enabled when + * the device and bus are powered. + */ +static ssize_t dgpu_disable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + bool disable; + int result; + + struct asus_wmi *asus = dev_get_drvdata(dev); + + result = kstrtobool(buf, &disable); + if (result) + return result; + + asus->dgpu_disable = disable; + + result = dgpu_disable_write(asus); + if (result) + return result; + + return count; +} + +static DEVICE_ATTR_RW(dgpu_disable); + +/* eGPU ********************************************************************/ +static int egpu_enable_check_present(struct asus_wmi *asus) +{ + u32 result; + int err; + + asus->egpu_enable_available = false; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_EGPU, &result); + if (err) { + if (err == -ENODEV) + return 0; + return err; + } + + if (result & ASUS_WMI_DSTS_PRESENCE_BIT) { + asus->egpu_enable_available = true; + asus->egpu_enable = result & ASUS_WMI_DSTS_STATUS_BIT; + } + + return 0; +} + +static int egpu_enable_write(struct asus_wmi *asus) +{ + u32 retval; + u8 value; + int err; + + /* Don't rely on type conversion */ + value = asus->egpu_enable ? 1 : 0; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, value, &retval); + + if (err) { + pr_warn("Failed to set egpu disable: %d\n", err); + return err; + } + + if (retval > 1) { + pr_warn("Failed to set egpu disable (retval): 0x%x\n", retval); + return -EIO; + } + + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable"); + + return 0; +} + +static ssize_t egpu_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + bool mode = asus->egpu_enable; + + return sysfs_emit(buf, "%d\n", mode); +} + +/* The ACPI call to enable the eGPU also disables the internal dGPU */ +static ssize_t egpu_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + bool enable; + int result; + + struct asus_wmi *asus = dev_get_drvdata(dev); + + result = kstrtobool(buf, &enable); + if (result) + return result; + + asus->egpu_enable = enable; + + result = egpu_enable_write(asus); + if (result) + return result; + + /* Ensure that the kernel status of dgpu is updated */ + result = dgpu_disable_check_present(asus); + if (result) + return result; + + return count; +} + +static DEVICE_ATTR_RW(egpu_enable); + /* Battery ********************************************************************/ /* The battery maximum charging percentage */ @@ -1221,6 +1409,87 @@ exit: return result; } +/* Panel Overdrive ************************************************************/ +static int panel_od_check_present(struct asus_wmi *asus) +{ + u32 result; + int err; + + asus->panel_overdrive_available = false; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_PANEL_OD, &result); + if (err) { + if (err == -ENODEV) + return 0; + return err; + } + + if (result & ASUS_WMI_DSTS_PRESENCE_BIT) { + asus->panel_overdrive_available = true; + asus->panel_overdrive = result & ASUS_WMI_DSTS_STATUS_BIT; + } + + return 0; +} + +static int panel_od_write(struct asus_wmi *asus) +{ + u32 retval; + u8 value; + int err; + + /* Don't rely on type conversion */ + value = asus->panel_overdrive ? 1 : 0; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, value, &retval); + + if (err) { + pr_warn("Failed to set panel overdrive: %d\n", err); + return err; + } + + if (retval > 1) { + pr_warn("Failed to set panel overdrive (retval): 0x%x\n", retval); + return -EIO; + } + + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od"); + + return 0; +} + +static ssize_t panel_od_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + + return sysfs_emit(buf, "%d\n", asus->panel_overdrive); +} + +static ssize_t panel_od_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + bool overdrive; + int result; + + struct asus_wmi *asus = dev_get_drvdata(dev); + + result = kstrtobool(buf, &overdrive); + if (result) + return result; + + asus->panel_overdrive = overdrive; + result = panel_od_write(asus); + + if (result) + return result; + + return count; +} + +static DEVICE_ATTR_RW(panel_od); + /* Quirks *********************************************************************/ static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) @@ -1838,12 +2107,23 @@ static int throttle_thermal_policy_set_default(struct asus_wmi *asus) static int throttle_thermal_policy_switch_next(struct asus_wmi *asus) { u8 new_mode = asus->throttle_thermal_policy_mode + 1; + int err; if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT) new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; asus->throttle_thermal_policy_mode = new_mode; - return throttle_thermal_policy_write(asus); + err = throttle_thermal_policy_write(asus); + if (err) + return err; + + /* + * Ensure that platform_profile updates userspace with the change to ensure + * that platform_profile and throttle_thermal_policy_mode are in sync. + */ + platform_profile_notify(); + + return 0; } static ssize_t throttle_thermal_policy_show(struct device *dev, @@ -1859,9 +2139,10 @@ static ssize_t throttle_thermal_policy_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - int result; - u8 new_mode; struct asus_wmi *asus = dev_get_drvdata(dev); + u8 new_mode; + int result; + int err; result = kstrtou8(buf, 10, &new_mode); if (result < 0) @@ -1871,7 +2152,15 @@ static ssize_t throttle_thermal_policy_store(struct device *dev, return -EINVAL; asus->throttle_thermal_policy_mode = new_mode; - throttle_thermal_policy_write(asus); + err = throttle_thermal_policy_write(asus); + if (err) + return err; + + /* + * Ensure that platform_profile updates userspace with the change to ensure + * that platform_profile and throttle_thermal_policy_mode are in sync. + */ + platform_profile_notify(); return count; } @@ -1879,6 +2168,91 @@ static ssize_t throttle_thermal_policy_store(struct device *dev, // Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent static DEVICE_ATTR_RW(throttle_thermal_policy); +/* Platform profile ***********************************************************/ +static int platform_profile_get(struct platform_profile_handler *pprof, + enum platform_profile_option *profile) +{ + struct asus_wmi *asus; + int tp; + + asus = container_of(pprof, struct asus_wmi, platform_profile_handler); + + tp = asus->throttle_thermal_policy_mode; + + switch (tp) { + case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT: + *profile = PLATFORM_PROFILE_BALANCED; + break; + case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST: + *profile = PLATFORM_PROFILE_PERFORMANCE; + break; + case ASUS_THROTTLE_THERMAL_POLICY_SILENT: + *profile = PLATFORM_PROFILE_QUIET; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int platform_profile_set(struct platform_profile_handler *pprof, + enum platform_profile_option profile) +{ + struct asus_wmi *asus; + int tp; + + asus = container_of(pprof, struct asus_wmi, platform_profile_handler); + + switch (profile) { + case PLATFORM_PROFILE_PERFORMANCE: + tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST; + break; + case PLATFORM_PROFILE_BALANCED: + tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; + break; + case PLATFORM_PROFILE_QUIET: + tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT; + break; + default: + return -EOPNOTSUPP; + } + + asus->throttle_thermal_policy_mode = tp; + return throttle_thermal_policy_write(asus); +} + +static int platform_profile_setup(struct asus_wmi *asus) +{ + struct device *dev = &asus->platform_device->dev; + int err; + + /* + * Not an error if a component platform_profile relies on is unavailable + * so early return, skipping the setup of platform_profile. + */ + if (!asus->throttle_thermal_policy_available) + return 0; + + dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n"); + + asus->platform_profile_handler.profile_get = platform_profile_get; + asus->platform_profile_handler.profile_set = platform_profile_set; + + set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices); + set_bit(PLATFORM_PROFILE_BALANCED, + asus->platform_profile_handler.choices); + set_bit(PLATFORM_PROFILE_PERFORMANCE, + asus->platform_profile_handler.choices); + + err = platform_profile_register(&asus->platform_profile_handler); + if (err) + return err; + + asus->platform_profile_support = true; + return 0; +} + /* Backlight ******************************************************************/ static int read_backlight_power(struct asus_wmi *asus) @@ -2328,10 +2702,13 @@ static struct attribute *platform_attributes[] = { &dev_attr_camera.attr, &dev_attr_cardr.attr, &dev_attr_touchpad.attr, + &dev_attr_egpu_enable.attr, + &dev_attr_dgpu_disable.attr, &dev_attr_lid_resume.attr, &dev_attr_als_enable.attr, &dev_attr_fan_boost_mode.attr, &dev_attr_throttle_thermal_policy.attr, + &dev_attr_panel_od.attr, NULL }; @@ -2353,10 +2730,16 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, devid = ASUS_WMI_DEVID_LID_RESUME; else if (attr == &dev_attr_als_enable.attr) devid = ASUS_WMI_DEVID_ALS_ENABLE; + else if (attr == &dev_attr_egpu_enable.attr) + ok = asus->egpu_enable_available; + else if (attr == &dev_attr_dgpu_disable.attr) + ok = asus->dgpu_disable_available; else if (attr == &dev_attr_fan_boost_mode.attr) ok = asus->fan_boost_mode_available; else if (attr == &dev_attr_throttle_thermal_policy.attr) ok = asus->throttle_thermal_policy_available; + else if (attr == &dev_attr_panel_od.attr) + ok = asus->panel_overdrive_available; if (devid != -1) ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); @@ -2612,6 +2995,14 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_platform; + err = egpu_enable_check_present(asus); + if (err) + goto fail_egpu_enable; + + err = dgpu_disable_check_present(asus); + if (err) + goto fail_dgpu_disable; + err = fan_boost_mode_check_present(asus); if (err) goto fail_fan_boost_mode; @@ -2622,6 +3013,14 @@ static int asus_wmi_add(struct platform_device *pdev) else throttle_thermal_policy_set_default(asus); + err = platform_profile_setup(asus); + if (err) + goto fail_platform_profile_setup; + + err = panel_od_check_present(asus); + if (err) + goto fail_panel_od; + err = asus_wmi_sysfs_init(asus->platform_device); if (err) goto fail_sysfs; @@ -2707,8 +3106,14 @@ fail_input: asus_wmi_sysfs_exit(asus->platform_device); fail_sysfs: fail_throttle_thermal_policy: +fail_platform_profile_setup: + if (asus->platform_profile_support) + platform_profile_remove(); fail_fan_boost_mode: +fail_egpu_enable: +fail_dgpu_disable: fail_platform: +fail_panel_od: kfree(asus); return err; } @@ -2728,6 +3133,9 @@ static int asus_wmi_remove(struct platform_device *device) asus_fan_set_auto(asus); asus_wmi_battery_exit(asus); + if (asus->platform_profile_support) + platform_profile_remove(); + kfree(asus); return 0; } |