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[108.228.232.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d55ce46a65sm9358907eec.0.2026.04.11.09.23.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Apr 2026 09:23:44 -0700 (PDT) From: "Derek J. Clark" To: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Hans de Goede Cc: Mark Pearson , Armin Wolf , Jonathan Corbet , Rong Zhang , Kurt Borja , "Derek J . Clark" , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 10/16] platform/x86: lenovo-wmi-other: Add lwmi_attr_id() function Date: Sat, 11 Apr 2026 16:23:28 +0000 Message-ID: <20260411162334.25682-11-derekjohn.clark@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260411162334.25682-1-derekjohn.clark@gmail.com> References: <20260411162334.25682-1-derekjohn.clark@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adds lwmi_attr_id() function. In the same vein as LWMI_ATTR_ID_FAN_RPM(), but as a generic, to de-duplicate attribute_id assignment biolerplate. Reviewed-by: Rong Zhang Tested-by: Rong Zhang Reviewed-by: Mark Pearson Signed-off-by: Derek J. Clark --- v9: - Fix dropped use of mode variable in current_value_show. v7: - Incorporate additional replacements in lwmi_attr_01_is_supported after moving the patch that adds it to earlier in the series. v6: - Move lwmi_attr_id to wmi-capdata.h as static inline. v5: - Move references to cv/cd_mode_id to patch 4/8. - Move lwmi_attr_id to wmi-capdata.c and export with namespace. v4: - Switch from macro to static inline to preserve types. --- drivers/platform/x86/lenovo/wmi-capdata.c | 8 ++-- drivers/platform/x86/lenovo/wmi-capdata.h | 20 ++++++++ drivers/platform/x86/lenovo/wmi-other.c | 56 ++++++++--------------- 3 files changed, 43 insertions(+), 41 deletions(-) diff --git a/drivers/platform/x86/lenovo/wmi-capdata.c b/drivers/platform/x86/lenovo/wmi-capdata.c index ee1fb02d8e31..169665be4dcf 100644 --- a/drivers/platform/x86/lenovo/wmi-capdata.c +++ b/drivers/platform/x86/lenovo/wmi-capdata.c @@ -27,7 +27,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include -#include #include #include #include @@ -48,6 +47,7 @@ #include #include "wmi-capdata.h" +#include "wmi-helpers.h" #define LENOVO_CAPABILITY_DATA_00_GUID "362A3AFE-3D96-4665-8530-96DAD5BB300E" #define LENOVO_CAPABILITY_DATA_01_GUID "7A8F5407-CB67-4D6E-B547-39B3BE018154" @@ -58,9 +58,9 @@ #define LWMI_FEATURE_ID_FAN_TEST 0x05 -#define LWMI_ATTR_ID_FAN_TEST \ - (FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, LWMI_DEVICE_ID_FAN) | \ - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, LWMI_FEATURE_ID_FAN_TEST)) +#define LWMI_ATTR_ID_FAN_TEST \ + lwmi_attr_id(LWMI_DEVICE_ID_FAN, LWMI_FEATURE_ID_FAN_TEST, \ + LWMI_GZ_THERMAL_MODE_NONE, LWMI_TYPE_ID_NONE) enum lwmi_cd_type { LENOVO_CAPABILITY_DATA_00, diff --git a/drivers/platform/x86/lenovo/wmi-capdata.h b/drivers/platform/x86/lenovo/wmi-capdata.h index 8c1df3efcc55..1388eaf4ab4a 100644 --- a/drivers/platform/x86/lenovo/wmi-capdata.h +++ b/drivers/platform/x86/lenovo/wmi-capdata.h @@ -6,6 +6,7 @@ #define _LENOVO_WMI_CAPDATA_H_ #include +#include #include #define LWMI_SUPP_VALID BIT(0) @@ -19,6 +20,8 @@ #define LWMI_DEVICE_ID_FAN 0x04 +#define LWMI_TYPE_ID_NONE 0x00 + struct component_match; struct device; struct cd_list; @@ -57,6 +60,23 @@ struct lwmi_cd_binder { cd_list_cb_t cd_fan_list_cb; }; +/** + * lwmi_attr_id() - Formats a capability data attribute ID + * @dev_id: The u8 corresponding to the device ID. + * @feat_id: The u8 corresponding to the feature ID on the device. + * @mode_id: The u8 corresponding to the wmi-gamezone mode for set/get. + * @type_id: The u8 corresponding to the sub-device. + * + * Return: u32. + */ +static inline u32 lwmi_attr_id(u8 dev_id, u8 feat_id, u8 mode_id, u8 type_id) +{ + return (FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, dev_id) | + FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, feat_id) | + FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, mode_id) | + FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, type_id)); +} + void lwmi_cd_match_add_all(struct device *master, struct component_match **matchptr); int lwmi_cd00_get_data(struct cd_list *list, u32 attribute_id, struct capdata00 *output); int lwmi_cd01_get_data(struct cd_list *list, u32 attribute_id, struct capdata01 *output); diff --git a/drivers/platform/x86/lenovo/wmi-other.c b/drivers/platform/x86/lenovo/wmi-other.c index df197b22e1f0..3805c4cf1d10 100644 --- a/drivers/platform/x86/lenovo/wmi-other.c +++ b/drivers/platform/x86/lenovo/wmi-other.c @@ -27,7 +27,6 @@ */ #include -#include #include #include #include @@ -59,8 +58,6 @@ #define LWMI_FEATURE_ID_FAN_RPM 0x03 -#define LWMI_TYPE_ID_NONE 0x00 - #define LWMI_FEATURE_VALUE_GET 17 #define LWMI_FEATURE_VALUE_SET 18 @@ -70,10 +67,9 @@ #define LWMI_FAN_DIV 100 -#define LWMI_ATTR_ID_FAN_RPM(x) \ - (FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, LWMI_DEVICE_ID_FAN) | \ - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, LWMI_FEATURE_ID_FAN_RPM) | \ - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, LWMI_FAN_ID(x))) +#define LWMI_ATTR_ID_FAN_RPM(x) \ + lwmi_attr_id(LWMI_DEVICE_ID_FAN, LWMI_FEATURE_ID_FAN_RPM, \ + LWMI_GZ_THERMAL_MODE_NONE, LWMI_FAN_ID(x)) #define LWMI_OM_FW_ATTR_BASE_PATH "lenovo-wmi-other" #define LWMI_OM_HWMON_NAME "lenovo_wmi_other" @@ -616,12 +612,8 @@ static ssize_t attr_capdata01_show(struct kobject *kobj, u32 attribute_id; int value, ret; - attribute_id = - FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, - LWMI_GZ_THERMAL_MODE_CUSTOM) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + attribute_id = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + LWMI_GZ_THERMAL_MODE_CUSTOM, tunable_attr->type_id); ret = lwmi_cd01_get_data(priv->cd01_list, attribute_id, &capdata); if (ret) @@ -686,10 +678,8 @@ static ssize_t attr_current_value_store(struct kobject *kobj, if (mode != LWMI_GZ_THERMAL_MODE_CUSTOM) return -EBUSY; - args.arg0 = FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, tunable_attr->cd_mode_id) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + args.arg0 = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + tunable_attr->cd_mode_id, tunable_attr->type_id); ret = lwmi_cd01_get_data(priv->cd01_list, args.arg0, &capdata); if (ret) @@ -702,10 +692,8 @@ static ssize_t attr_current_value_store(struct kobject *kobj, if (value < capdata.min_value || value > capdata.max_value) return -EINVAL; - args.arg0 = FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, tunable_attr->cv_mode_id) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + args.arg0 = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + tunable_attr->cv_mode_id, tunable_attr->type_id); args.arg1 = value; ret = lwmi_dev_evaluate_int(priv->wdev, 0x0, LWMI_FEATURE_VALUE_SET, @@ -750,10 +738,8 @@ static ssize_t attr_current_value_show(struct kobject *kobj, if (tunable_attr->cv_mode_id == LWMI_GZ_THERMAL_MODE_NONE) mode = tunable_attr->cv_mode_id; - args.arg0 = FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, mode) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + args.arg0 = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + mode, tunable_attr->type_id); ret = lwmi_dev_evaluate_int(priv->wdev, 0x0, LWMI_FEATURE_VALUE_GET, (unsigned char *)&args, sizeof(args), @@ -794,10 +780,8 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr) /* Determine tunable_attr->cd_mode_id*/ for (i = 0; i < ARRAY_SIZE(modes); i++) { - args.arg0 = FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, modes[i]) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + args.arg0 = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + modes[i], tunable_attr->type_id); ret = lwmi_cd01_get_data(priv->cd01_list, args.arg0, &capdata); if (ret || !capdata.supported) @@ -810,15 +794,10 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr) if (!cd_mode_found) return cd_mode_found; - dev_dbg(tunable_attr->dev, - "cd_mode_id: %#010x\n", args.arg0); - /* Determine tunable_attr->cv_mode_id, returns 1 if supported*/ for (i = 0; i < ARRAY_SIZE(modes); i++) { - args.arg0 = FIELD_PREP(LWMI_ATTR_DEV_ID_MASK, tunable_attr->device_id) | - FIELD_PREP(LWMI_ATTR_FEAT_ID_MASK, tunable_attr->feature_id) | - FIELD_PREP(LWMI_ATTR_MODE_ID_MASK, modes[i]) | - FIELD_PREP(LWMI_ATTR_TYPE_ID_MASK, tunable_attr->type_id); + args.arg0 = lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + modes[i], tunable_attr->type_id); ret = lwmi_dev_evaluate_int(priv->wdev, 0x0, LWMI_FEATURE_VALUE_GET, (unsigned char *)&args, sizeof(args), @@ -833,7 +812,10 @@ static bool lwmi_attr_01_is_supported(struct tunable_attr_01 *tunable_attr) if (!cv_mode_found) return cv_mode_found; - dev_dbg(tunable_attr->dev, "cv_mode_id: %#010x, attribute support level: %#010x\n", + dev_dbg(tunable_attr->dev, + "cd_mode_id: %#010x, cv_mode_id: %#010x, attribute support level: %#010x\n", + lwmi_attr_id(tunable_attr->device_id, tunable_attr->feature_id, + tunable_attr->cd_mode_id, tunable_attr->type_id), args.arg0, capdata.supported); return capdata.supported > 0 ? true : false; -- 2.53.0