@@ -1248,6 +1248,7 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
@@ -63,6 +63,7 @@
#define USB_VENDOR_ID_APPLE 0x05ac
#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
#define USB_DEVICE_ID_APPLE_MAGICMOUSE 0x030d
+#define USB_DEVICE_ID_APPLE_MAGICTRACKPAD 0x030e
#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e
#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f
#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
@@ -2,6 +2,7 @@
* Apple "Magic" Wireless Mouse driver
*
* Copyright (c) 2010 Michael Poole <mdpoole@troilus.org>
+ * Copyright (c) 2010 Chase Douglas <chase.douglas@canonical.com>
*/
/*
@@ -53,7 +54,9 @@ static bool report_undeciphered;
module_param(report_undeciphered, bool, 0644);
MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event");
-#define TOUCH_REPORT_ID 0x29
+#define TRACKPAD_REPORT_ID 0x28
+#define MOUSE_REPORT_ID 0x29
+#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
* to be some kind of bit mask -- 0x20 may be a near-field reading,
@@ -101,6 +104,7 @@ struct magicmouse_sc {
u8 down;
} touches[16];
int tracking_ids[16];
+ int single_touch_id;
};
static int magicmouse_firm_touch(struct magicmouse_sc *msc)
@@ -166,15 +170,29 @@ static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata)
{
struct input_dev *input = msc->input;
- int id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf;
- int x = (tdata[1] << 28 | tdata[0] << 20) >> 20;
- int y = -((tdata[2] << 24 | tdata[1] << 16) >> 20);
- int size = tdata[5] & 0x3f;
- int orientation = (tdata[6] >> 2) - 32;
- int touch_major = tdata[3];
- int touch_minor = tdata[4];
- int state = tdata[7] & TOUCH_STATE_MASK;
- int down = state != TOUCH_STATE_NONE;
+ int id, x, y, size, orientation, touch_major, touch_minor, state, down;
+
+ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
+ id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf;
+ x = (tdata[1] << 28 | tdata[0] << 20) >> 20;
+ y = -((tdata[2] << 24 | tdata[1] << 16) >> 20);
+ size = tdata[5] & 0x3f;
+ orientation = (tdata[6] >> 2) - 32;
+ touch_major = tdata[3];
+ touch_minor = tdata[4];
+ state = tdata[7] & TOUCH_STATE_MASK;
+ down = state != TOUCH_STATE_NONE;
+ } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ id = (tdata[7] << 2 | tdata[6] >> 6) & 0xf;
+ x = (tdata[1] << 27 | tdata[0] << 19) >> 19;
+ y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19);
+ size = tdata[6] & 0x3f;
+ orientation = (tdata[7] >> 2) - 32;
+ touch_major = tdata[4];
+ touch_minor = tdata[5];
+ state = tdata[8] & TOUCH_STATE_MASK;
+ down = state != TOUCH_STATE_NONE;
+ }
/* Store tracking ID and other fields. */
msc->tracking_ids[raw_id] = id;
@@ -225,10 +243,15 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
}
}
- /* Generate the input events for this touch. */
- if (report_touches && down) {
+ if (down) {
msc->touches[id].down = 1;
+ if (msc->single_touch_id == -1)
+ msc->single_touch_id = id;
+ } else if (msc->single_touch_id == id)
+ msc->single_touch_id = -2;
+ /* Generate the input events for this touch. */
+ if (report_touches && down) {
input_report_abs(input, ABS_MT_TRACKING_ID, id);
input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor);
@@ -236,8 +259,12 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
- if (report_undeciphered)
- input_event(input, EV_MSC, MSC_RAW, tdata[7]);
+ if (report_undeciphered) {
+ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
+ input_event(input, EV_MSC, MSC_RAW, tdata[7]);
+ else /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ input_event(input, EV_MSC, MSC_RAW, tdata[8]);
+ }
input_mt_sync(input);
}
@@ -248,7 +275,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
{
struct magicmouse_sc *msc = hid_get_drvdata(hdev);
struct input_dev *input = msc->input;
- int x, y, ts, ii, clicks, last_up;
+ int x = 0, y = 0, ts, ii, clicks = 0, last_up;
switch (data[0]) {
case 0x10:
@@ -258,7 +285,19 @@ static int magicmouse_raw_event(struct hid_device *hdev,
y = (__s16)(data[4] | data[5] << 8);
clicks = data[1];
break;
- case TOUCH_REPORT_ID:
+ case TRACKPAD_REPORT_ID:
+ /* Expect four bytes of prefix, and N*9 bytes of touch data. */
+ if (size < 4 || ((size - 4) % 9) != 0)
+ return 0;
+ ts = data[1] >> 6 | data[2] << 2 | data[3] << 10;
+ msc->delta_time = (ts - msc->last_timestamp) & 0x3ffff;
+ msc->last_timestamp = ts;
+ msc->ntouches = (size - 4) / 9;
+ for (ii = 0; ii < msc->ntouches; ii++)
+ magicmouse_emit_touch(msc, ii, data + ii * 9 + 4);
+ clicks = data[1];
+ break;
+ case MOUSE_REPORT_ID:
/* Expect six bytes of prefix, and N*8 bytes of touch data. */
if (size < 6 || ((size - 6) % 8) != 0)
return 0;
@@ -269,19 +308,6 @@ static int magicmouse_raw_event(struct hid_device *hdev,
for (ii = 0; ii < msc->ntouches; ii++)
magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
- if (report_touches) {
- last_up = 1;
- for (ii = 0; ii < ARRAY_SIZE(msc->touches); ii++) {
- if (msc->touches[ii].down) {
- last_up = 0;
- msc->touches[ii].down = 0;
- }
- }
- if (last_up) {
- input_mt_sync(input);
- }
- }
-
/* When emulating three-button mode, it is important
* to have the current touch information before
* generating a click event.
@@ -290,6 +316,14 @@ static int magicmouse_raw_event(struct hid_device *hdev,
y = (int)(((data[3] & 0x30) << 26) | (data[2] << 22)) >> 22;
clicks = data[3];
break;
+ case DOUBLE_REPORT_ID:
+ /* Sometimes the trackpad sends two touch reports in one
+ * packet.
+ */
+ magicmouse_raw_event(hdev, report, data + 2, data[1]);
+ magicmouse_raw_event(hdev, report, data + 2 + data[1],
+ size - 2 - data[1]);
+ break;
case 0x20: /* Theoretically battery status (0-100), but I have
* never seen it -- maybe it is only upon request.
*/
@@ -301,9 +335,41 @@ static int magicmouse_raw_event(struct hid_device *hdev,
return 0;
}
- magicmouse_emit_buttons(msc, clicks & 3);
- input_report_rel(input, REL_X, x);
- input_report_rel(input, REL_Y, y);
+ if ((data[0] == MOUSE_REPORT_ID || data[0] == TRACKPAD_REPORT_ID)) {
+ last_up = 1;
+ for (ii = 0; ii < ARRAY_SIZE(msc->touches); ii++) {
+ if (msc->touches[ii].down) {
+ last_up = 0;
+ msc->touches[ii].down = 0;
+ }
+ }
+ if (last_up) {
+ msc->single_touch_id = -1;
+ msc->ntouches = 0;
+ if (report_touches)
+ input_mt_sync(input);
+ }
+ }
+
+ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
+ magicmouse_emit_buttons(msc, clicks & 3);
+ input_report_rel(input, REL_X, x);
+ input_report_rel(input, REL_Y, y);
+ } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ input_report_key(input, BTN_MOUSE, clicks & 1);
+ input_report_key(input, BTN_TOUCH, msc->ntouches > 0);
+ input_report_key(input, BTN_TOOL_FINGER, msc->ntouches == 1);
+ input_report_key(input, BTN_TOOL_DOUBLETAP, msc->ntouches == 2);
+ input_report_key(input, BTN_TOOL_TRIPLETAP, msc->ntouches == 3);
+ input_report_key(input, BTN_TOOL_QUADTAP, msc->ntouches == 4);
+ if (msc->single_touch_id >= 0) {
+ input_report_abs(input, ABS_X,
+ msc->touches[msc->single_touch_id].x);
+ input_report_abs(input, ABS_Y,
+ msc->touches[msc->single_touch_id].y);
+ }
+ }
+
input_sync(input);
return 1;
}
@@ -339,18 +405,27 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
input->dev.parent = hdev->dev.parent;
__set_bit(EV_KEY, input->evbit);
- __set_bit(BTN_LEFT, input->keybit);
- __set_bit(BTN_RIGHT, input->keybit);
- if (emulate_3button)
- __set_bit(BTN_MIDDLE, input->keybit);
- __set_bit(BTN_TOOL_FINGER, input->keybit);
-
- __set_bit(EV_REL, input->evbit);
- __set_bit(REL_X, input->relbit);
- __set_bit(REL_Y, input->relbit);
- if (emulate_scroll_wheel) {
- __set_bit(REL_WHEEL, input->relbit);
- __set_bit(REL_HWHEEL, input->relbit);
+
+ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
+ __set_bit(BTN_LEFT, input->keybit);
+ __set_bit(BTN_RIGHT, input->keybit);
+ if (emulate_3button)
+ __set_bit(BTN_MIDDLE, input->keybit);
+
+ __set_bit(EV_REL, input->evbit);
+ __set_bit(REL_X, input->relbit);
+ __set_bit(REL_Y, input->relbit);
+ if (emulate_scroll_wheel) {
+ __set_bit(REL_WHEEL, input->relbit);
+ __set_bit(REL_HWHEEL, input->relbit);
+ }
+ } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ __set_bit(BTN_MOUSE, input->keybit);
+ __set_bit(BTN_TOOL_FINGER, input->keybit);
+ __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
+ __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
+ __set_bit(BTN_TOOL_QUADTAP, input->keybit);
+ __set_bit(BTN_TOUCH, input->keybit);
}
if (report_touches) {
@@ -360,16 +435,26 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255, 0, 0);
input_set_abs_params(input, ABS_MT_ORIENTATION, -32, 31, 0, 0);
- input_set_abs_params(input, ABS_MT_POSITION_X, -1100, 1358,
- 0, 0);
+
/* Note: Touch Y position from the device is inverted relative
* to how pointer motion is reported (and relative to how USB
* HID recommends the coordinates work). This driver keeps
* the origin at the same position, and just uses the additive
* inverse of the reported Y.
*/
- input_set_abs_params(input, ABS_MT_POSITION_Y, -1589, 2047,
- 0, 0);
+ if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
+ input_set_abs_params(input, ABS_MT_POSITION_X, -1100,
+ 1358, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y, -1589,
+ 2047, 0, 0);
+ } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ input_set_abs_params(input, ABS_X, -2909, 3167, 0, 0);
+ input_set_abs_params(input, ABS_Y, -2456, 2565, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_X, -2909,
+ 3167, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y, -2456,
+ 2565, 0, 0);
+ }
}
if (report_undeciphered) {
@@ -388,12 +473,29 @@ static struct feature mouse_features[] = {
{ { 0xf8, 0x01, 0x32 }, 3 }
};
+static struct feature trackpad_features[] = {
+ { { 0xf1, 0xdb }, 2 },
+ { { 0xf1, 0xdc }, 2 },
+ { { 0xf0, 0x00 }, 2 },
+ { { 0xf1, 0xdd }, 2 },
+ { { 0xf0, 0x02 }, 2 },
+ { { 0xf1, 0xc8 }, 2 },
+ { { 0xf0, 0x09 }, 2 },
+ { { 0xf1, 0xdc }, 2 },
+ { { 0xf0, 0x00 }, 2 },
+ { { 0xf1, 0xdd }, 2 },
+ { { 0xf0, 0x02 }, 2 },
+ { { 0xd7, 0x01 }, 2 },
+};
+
static int magicmouse_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
struct input_dev *input;
struct magicmouse_sc *msc;
struct hid_report *report;
+ struct feature *features;
+ int features_size;
int i;
int ret;
@@ -408,6 +510,8 @@ static int magicmouse_probe(struct hid_device *hdev,
msc->quirks = id->driver_data;
hid_set_drvdata(hdev, msc);
+ msc->single_touch_id = -1;
+
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "magicmouse hid parse failed\n");
@@ -428,7 +532,20 @@ static int magicmouse_probe(struct hid_device *hdev,
goto err_free;
}
- report = hid_register_report(hdev, HID_INPUT_REPORT, TOUCH_REPORT_ID);
+ if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
+ report = hid_register_report(hdev, HID_INPUT_REPORT,
+ MOUSE_REPORT_ID);
+ features = mouse_features;
+ features_size = ARRAY_SIZE(mouse_features);
+ } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
+ report = hid_register_report(hdev, HID_INPUT_REPORT,
+ TRACKPAD_REPORT_ID);
+ report = hid_register_report(hdev, HID_INPUT_REPORT,
+ DOUBLE_REPORT_ID);
+ features = trackpad_features;
+ features_size = ARRAY_SIZE(trackpad_features);
+ }
+
if (!report) {
dev_err(&hdev->dev, "unable to register touch report\n");
ret = -ENOMEM;
@@ -436,10 +553,10 @@ static int magicmouse_probe(struct hid_device *hdev,
}
report->size = 6;
- for (i = 0; i < ARRAY_SIZE(mouse_features); i++) {
- ret = hdev->hid_output_raw_report(hdev, mouse_features[i].data,
- mouse_features[i].length, HID_FEATURE_REPORT);
- if (ret != mouse_features[i].length) {
+ for (i = 0; i < features_size; i++) {
+ ret = hdev->hid_output_raw_report(hdev, features[i].data,
+ features[i].length, HID_FEATURE_REPORT);
+ if (ret != features[i].length) {
dev_err(&hdev->dev,
"unable to request touch data (%d:%d)\n",
i, ret);
@@ -482,8 +599,10 @@ static void magicmouse_remove(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(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_MAGICTRACKPAD), .driver_data = 0 },
{ }
};
MODULE_DEVICE_TABLE(hid, magic_mice);