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[2001:b011:3815:3a1f:9afa:9bff:fe6e:3ce2]) by smtp.gmail.com with ESMTPSA id ot17sm6413787pjb.50.2021.03.27.06.06.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Mar 2021 06:06:18 -0700 (PDT) From: John Chen To: linux-kernel@vger.kernel.org Cc: Rohit Pidaparthi , RicardoEPRodrigues , Jiri Kosina , Benjamin Tissoires , John Chen Subject: [PATCH 1/4] HID: magicmouse: add Apple Magic Mouse 2 support Date: Sat, 27 Mar 2021 21:05:05 +0800 Message-Id: <20210327130508.24849-2-johnchen902@gmail.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210327130508.24849-1-johnchen902@gmail.com> References: <20210327130508.24849-1-johnchen902@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Archived-At: List-Archive: List-Post: Bluetooth device Vendor 004c (Apple) Device 0269 (Magic Mouse 2) Add support for Apple Magic Mouse 2, putting the device in multi-touch mode. Co-authored-by: Rohit Pidaparthi Co-authored-by: RicardoEPRodrigues Signed-off-by: John Chen --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-magicmouse.c | 53 ++++++++++++++++++++++++++++++++---- 2 files changed, 49 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e42aaae3138f..fa0edf03570a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -93,6 +93,7 @@ #define BT_VENDOR_ID_APPLE 0x004c #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 #define USB_DEVICE_ID_APPLE_MAGICMOUSE 0x030d +#define USB_DEVICE_ID_APPLE_MAGICMOUSE2 0x0269 #define USB_DEVICE_ID_APPLE_MAGICTRACKPAD 0x030e #define USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 0x0265 #define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index abd86903875f..7aad6ca56780 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -54,6 +54,7 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie #define TRACKPAD2_USB_REPORT_ID 0x02 #define TRACKPAD2_BT_REPORT_ID 0x31 #define MOUSE_REPORT_ID 0x29 +#define MOUSE2_REPORT_ID 0x12 #define DOUBLE_REPORT_ID 0xf7 /* These definitions are not precise, but they're close enough. (Bits * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem @@ -195,7 +196,8 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda int id, x, y, size, orientation, touch_major, touch_minor, state, down; int pressure = 0; - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || + input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) { id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf; x = (tdata[1] << 28 | tdata[0] << 20) >> 20; y = -((tdata[2] << 24 | tdata[1] << 16) >> 20); @@ -296,7 +298,8 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda input_report_abs(input, ABS_MT_PRESSURE, pressure); if (report_undeciphered) { - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || + input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) input_event(input, EV_MSC, MSC_RAW, tdata[7]); else if (input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) @@ -380,6 +383,34 @@ static int magicmouse_raw_event(struct hid_device *hdev, * ts = data[3] >> 6 | data[4] << 2 | data[5] << 10; */ break; + case MOUSE2_REPORT_ID: + /* Size is either 8 or (14 + 8 * N) */ + if (size != 8 && (size < 14 || (size - 14) % 8 != 0)) + return 0; + npoints = (size - 14) / 8; + if (npoints > 15) { + hid_warn(hdev, "invalid size value (%d) for MOUSE2_REPORT_ID\n", + size); + return 0; + } + msc->ntouches = 0; + for (ii = 0; ii < npoints; ii++) + magicmouse_emit_touch(msc, ii, data + ii * 8 + 14); + + /* When emulating three-button mode, it is important + * to have the current touch information before + * generating a click event. + */ + x = (int)((data[3] << 24) | (data[2] << 16)) >> 16; + y = (int)((data[5] << 24) | (data[4] << 16)) >> 16; + clicks = data[1]; + + /* The following bits provide a device specific timestamp. They + * are unused here. + * + * ts = data[11] >> 6 | data[12] << 2 | data[13] << 10; + */ + break; case DOUBLE_REPORT_ID: /* Sometimes the trackpad sends two touch reports in one * packet. @@ -392,7 +423,8 @@ static int magicmouse_raw_event(struct hid_device *hdev, return 0; } - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || + input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) { magicmouse_emit_buttons(msc, clicks & 3); input_report_rel(input, REL_X, x); input_report_rel(input, REL_Y, y); @@ -415,7 +447,8 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __set_bit(EV_KEY, input->evbit); - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || + input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) { __set_bit(BTN_LEFT, input->keybit); __set_bit(BTN_RIGHT, input->keybit); if (emulate_3button) @@ -480,7 +513,8 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd * the origin at the same position, and just uses the additive * inverse of the reported Y. */ - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE || + input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) { input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0); input_set_abs_params(input, ABS_MT_POSITION_X, MOUSE_MIN_X, MOUSE_MAX_X, 4, 0); @@ -586,6 +620,7 @@ static int magicmouse_probe(struct hid_device *hdev, { const u8 *feature; const u8 feature_mt[] = { 0xD7, 0x01 }; + const u8 feature_mt_mouse2[] = { 0xF1, 0x02, 0x01 }; const u8 feature_mt_trackpad2_usb[] = { 0x02, 0x01 }; const u8 feature_mt_trackpad2_bt[] = { 0xF1, 0x02, 0x01 }; u8 *buf; @@ -631,6 +666,9 @@ static int magicmouse_probe(struct hid_device *hdev, if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE) report = hid_register_report(hdev, HID_INPUT_REPORT, MOUSE_REPORT_ID, 0); + else if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) + report = hid_register_report(hdev, HID_INPUT_REPORT, + MOUSE2_REPORT_ID, 0); else if (id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) { if (id->vendor == BT_VENDOR_ID_APPLE) report = hid_register_report(hdev, HID_INPUT_REPORT, @@ -660,6 +698,9 @@ static int magicmouse_probe(struct hid_device *hdev, feature_size = sizeof(feature_mt_trackpad2_usb); feature = feature_mt_trackpad2_usb; } + } else if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) { + feature_size = sizeof(feature_mt_mouse2); + feature = feature_mt_mouse2; } else { feature_size = sizeof(feature_mt); feature = feature_mt; @@ -696,6 +737,8 @@ static int magicmouse_probe(struct hid_device *hdev, static const struct hid_device_id magic_mice[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 }, + { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_MAGICMOUSE2), .driver_data = 0 }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD), .driver_data = 0 }, { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, -- 2.31.0