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HID: magicmouse: add Apple Magic Mouse 2 support

Browse source 
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 <rohitpid@gmail.com>
Co-authored-by: RicardoEPRodrigues <ricardo.e.p.rodrigues@gmail.com>
Signed-off-by: John Chen <johnchen902@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
John Chen 2021-03-30 19:33:16 +08:00 committed by Jiri Kosina
parent 69aea9d284
commit 2b0c086cd6
2 changed files with 49 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/hid/hid-ids.h
View file

@ -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

53
drivers/hid/hid-magicmouse.c
View file

@ -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,