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-rw-r--r--0019-HID-amd_sfh-Add-keyguard-for-ASUS-ROG-X13-tablet.patch174
1 files changed, 174 insertions, 0 deletions
diff --git a/0019-HID-amd_sfh-Add-keyguard-for-ASUS-ROG-X13-tablet.patch b/0019-HID-amd_sfh-Add-keyguard-for-ASUS-ROG-X13-tablet.patch
new file mode 100644
index 000000000000..4e587a119b0e
--- /dev/null
+++ b/0019-HID-amd_sfh-Add-keyguard-for-ASUS-ROG-X13-tablet.patch
@@ -0,0 +1,174 @@
+From 802dfc514194e5459397f513b202031228b3315a Mon Sep 17 00:00:00 2001
+From: "Luke D. Jones" <luke@ljones.dev>
+Date: Fri, 26 Aug 2022 12:25:12 +1200
+Subject: [PATCH 19/19] HID: amd_sfh: Add keyguard for ASUS ROG X13 tablet
+
+Add support for ROG X13 Flow 2-in-1 to disable the keyboard when
+the lid is flipped.
+
+Signed-off-by: Luke D. Jones <luke@ljones.dev>
+---
+ drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 4 +++
+ drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 1 +
+ .../hid_descriptor/amd_sfh_hid_desc.c | 27 +++++++++++++++++++
+ .../hid_descriptor/amd_sfh_hid_desc.h | 8 ++++++
+ .../hid_descriptor/amd_sfh_hid_report_desc.h | 19 +++++++++++++
+ 5 files changed, 59 insertions(+)
+
+diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+index 4b90c86ee5f8..0f4db2ce076e 100644
+--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
++++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+@@ -27,6 +27,7 @@
+ #define ACEL_EN BIT(0)
+ #define GYRO_EN BIT(1)
+ #define MAGNO_EN BIT(2)
++#define KBGUARD_EN BIT(15)
+ #define HPD_EN BIT(16)
+ #define ALS_EN BIT(19)
+
+@@ -233,6 +234,9 @@ int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id)
+ if (HPD_EN & activestatus)
+ sensor_id[num_of_sensors++] = HPD_IDX;
+
++ if (KBGUARD_EN & activestatus)
++ sensor_id[num_of_sensors++] = KBGUARD_IDX;
++
+ return num_of_sensors;
+ }
+
+diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
+index dfb7cabd82ef..5fa15eed43f3 100644
+--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
++++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h
+@@ -23,6 +23,7 @@
+ #define V2_STATUS 0x2
+
+ #define HPD_IDX 16
++#define KBGUARD_IDX 15
+
+ #define SENSOR_DISCOVERY_STATUS_MASK GENMASK(5, 3)
+ #define SENSOR_DISCOVERY_STATUS_SHIFT 3
+diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
+index f9a8c02d5a7b..06487eb75dc8 100644
+--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
++++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c
+@@ -57,6 +57,11 @@ static int get_report_descriptor(int sensor_idx, u8 *rep_desc)
+ memcpy(rep_desc, hpd_report_descriptor,
+ sizeof(hpd_report_descriptor));
+ break;
++ case KBGUARD_IDX: /* kbguard ? */
++ memset(rep_desc, 0, sizeof(kbguard_report_descriptor));
++ memcpy(rep_desc, kbguard_report_descriptor,
++ sizeof(kbguard_report_descriptor));
++ break;
+ default:
+ break;
+ }
+@@ -116,6 +121,16 @@ static u32 get_descr_sz(int sensor_idx, int descriptor_name)
+ return sizeof(struct hpd_feature_report);
+ }
+ break;
++ case KBGUARD_IDX:
++ switch (descriptor_name) {
++ case descr_size:
++ return sizeof(kbguard_report_descriptor);
++ case input_size:
++ return sizeof(struct kbguard_input_report);
++ case feature_size:
++ return sizeof(struct kbguard_feature_report);
++ }
++ break;
+
+ default:
+ break;
+@@ -139,6 +154,7 @@ static u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report)
+ struct gyro_feature_report gyro_feature;
+ struct magno_feature_report magno_feature;
+ struct hpd_feature_report hpd_feature;
++ struct kbguard_feature_report kbguard_feature;
+ struct als_feature_report als_feature;
+ u8 report_size = 0;
+
+@@ -186,6 +202,11 @@ static u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report)
+ memcpy(feature_report, &hpd_feature, sizeof(hpd_feature));
+ report_size = sizeof(hpd_feature);
+ break;
++ case KBGUARD_IDX: /* auto disable keyboard when flip out */
++ get_common_features(&kbguard_feature.common_property, report_id);
++ memcpy(feature_report, &kbguard_feature, sizeof(kbguard_feature));
++ report_size = sizeof(kbguard_feature);
++ break;
+
+ default:
+ break;
+@@ -211,6 +232,7 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id,
+ struct accel3_input_report acc_input;
+ struct gyro_input_report gyro_input;
+ struct hpd_input_report hpd_input;
++ struct kbguard_input_report kbguard_input;
+ struct als_input_report als_input;
+ struct hpd_status hpdstatus;
+ u8 report_size = 0;
+@@ -263,6 +285,11 @@ static u8 get_input_report(u8 current_index, int sensor_idx, int report_id,
+ report_size = sizeof(hpd_input);
+ memcpy(input_report, &hpd_input, sizeof(hpd_input));
+ break;
++ case KBGUARD_IDX: /* kb guard */
++ get_common_inputs(&kbguard_input.common_property, report_id);
++ report_size = sizeof(kbguard_input);
++ memcpy(input_report, &kbguard_input, sizeof(kbguard_input));
++break;
+ default:
+ break;
+ }
+diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
+index ebd55675eb62..2f2ba9a0cfbc 100644
+--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
++++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h
+@@ -111,4 +111,12 @@ struct hpd_input_report {
+ u8 human_presence;
+ } __packed;
+
++struct kbguard_feature_report {
++ struct common_feature_property common_property;
++} __packed;
++
++struct kbguard_input_report {
++ struct common_input_property common_property;
++} __packed;
++
+ #endif
+diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
+index 697f2791ea9c..7a62fcec2c73 100644
+--- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
++++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h
+@@ -644,6 +644,25 @@ static const u8 als_report_descriptor[] = {
+ 0xC0 /* HID end collection */
+ };
+
++
++static const u8 kbguard_report_descriptor[] = {
++0x06, 0x43, 0xFF, // Usage Page (Vendor Defined 0xFF43)
++0x0A, 0x02, 0x02, // Usage (0x0202)
++0xA1, 0x01, // Collection (Application)
++0x85, 0x11, // Report ID (17)
++0x15, 0x00, // Logical Minimum (0)
++0x25, 0x01, // Logical Maximum (1)
++0x35, 0x00, // Physical Minimum (0)
++0x45, 0x01, // Physical Maximum (1)
++0x65, 0x00, // Unit (None)
++0x55, 0x00, // Unit Exponent (0)
++0x75, 0x01, // Report Size (1)
++0x95, 0x98, // Report Count (-104)
++0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
++0x91, 0x03, // Output (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
++0xC1, 0x00, // End Collection
++};
++
+ /* BIOMETRIC PRESENCE*/
+ static const u8 hpd_report_descriptor[] = {
+ 0x05, 0x20, /* Usage page */
+--
+2.37.2
+