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Merge branch 'for-5.13/magicmouse' into for-linus 

- Apple Magic Mouse 2 support from John Chen
This commit is contained in:
Jiri Kosina 2021-04-29 21:43:43 +02:00
Родитель 686e161eea 9de07a4e8d
Коммит 275ac61baf
5 изменённых файлов: 149 добавлений и 40 удалений
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1
drivers/hid/hid-debug.c
Просмотреть файл

@ -417,6 +417,7 @@ static const struct hid_usage_entry hid_usage_table[] = {
{ 0x85, 0x44, "Charging" },
{ 0x85, 0x45, "Discharging" },
{ 0x85, 0x4b, "NeedReplacement" },
{ 0x85, 0x65, "AbsoluteStateOfCharge" },
{ 0x85, 0x66, "RemainingCapacity" },
{ 0x85, 0x68, "RunTimeToEmpty" },
{ 0x85, 0x6a, "AverageTimeToFull" },

1
drivers/hid/hid-ids.h
Просмотреть файл

@ -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

22
drivers/hid/hid-input.c
Просмотреть файл

@ -435,7 +435,8 @@ static int hidinput_get_battery_property(struct power_supply *psy,
return ret;
}
static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
struct hid_field *field, bool is_percentage)
{
struct power_supply_desc *psy_desc;
struct power_supply_config psy_cfg = { .drv_data = dev, };
@ -475,7 +476,7 @@ static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
min = field->logical_minimum;
max = field->logical_maximum;
if (quirks & HID_BATTERY_QUIRK_PERCENT) {
if (is_percentage || (quirks & HID_BATTERY_QUIRK_PERCENT)) {
min = 0;
max = 100;
}
@ -552,7 +553,7 @@ static void hidinput_update_battery(struct hid_device *dev, int value)
}
#else /* !CONFIG_HID_BATTERY_STRENGTH */
static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
struct hid_field *field)
struct hid_field *field, bool is_percentage)
{
return 0;
}
@ -806,7 +807,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
break;
case 0x3b: /* Battery Strength */
hidinput_setup_battery(device, HID_INPUT_REPORT, field);
hidinput_setup_battery(device, HID_INPUT_REPORT, field, false);
usage->type = EV_PWR;
return;
@ -1068,7 +1069,16 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case HID_UP_GENDEVCTRLS:
switch (usage->hid) {
case HID_DC_BATTERYSTRENGTH:
hidinput_setup_battery(device, HID_INPUT_REPORT, field);
hidinput_setup_battery(device, HID_INPUT_REPORT, field, false);
usage->type = EV_PWR;
return;
}
goto unknown;
case HID_UP_BATTERY:
switch (usage->hid) {
case HID_BAT_ABSOLUTESTATEOFCHARGE:
hidinput_setup_battery(device, HID_INPUT_REPORT, field, true);
usage->type = EV_PWR;
return;
}
@ -1672,7 +1682,7 @@ static void report_features(struct hid_device *hid)
/* Verify if Battery Strength feature is available */
if (usage->hid == HID_DC_BATTERYSTRENGTH)
hidinput_setup_battery(hid, HID_FEATURE_REPORT,
rep->field[i]);
rep->field[i], false);
if (drv->feature_mapping)
drv->feature_mapping(hid, rep->field[i], usage);

162
drivers/hid/hid-magicmouse.c
Просмотреть файл

@ -16,6 +16,7 @@
#include <linux/input/mt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include "hid-ids.h"
@ -54,6 +55,7 @@ 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
@ -127,6 +129,9 @@ struct magicmouse_sc {
u8 size;
} touches[16];
int tracking_ids[16];
struct hid_device *hdev;
struct delayed_work work;
};
static int magicmouse_firm_touch(struct magicmouse_sc *msc)
@ -195,7 +200,8 @@ 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 +302,8 @@ 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 +387,34 @@ 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 +427,8 @@ 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);
@ -408,6 +444,23 @@ static int magicmouse_raw_event(struct hid_device *hdev,
return 1;
}
static int magicmouse_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct magicmouse_sc *msc = hid_get_drvdata(hdev);
if (msc->input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE2 &&
field->report->id == MOUSE2_REPORT_ID) {
/*
* magic_mouse_raw_event has done all the work. Skip hidinput.
*
* Specifically, hidinput may modify BTN_LEFT and BTN_RIGHT,
* breaking emulate_3button.
*/
return 1;
}
return 0;
}
static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev)
{
int error;
@ -415,7 +468,8 @@ 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 +534,8 @@ 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);
@ -580,19 +635,60 @@ static int magicmouse_input_configured(struct hid_device *hdev,
return 0;
}
static int magicmouse_enable_multitouch(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;
int ret;
int feature_size;
if (hdev->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
if (hdev->vendor == BT_VENDOR_ID_APPLE) {
feature_size = sizeof(feature_mt_trackpad2_bt);
feature = feature_mt_trackpad2_bt;
} else { /* USB_VENDOR_ID_APPLE */
feature_size = sizeof(feature_mt_trackpad2_usb);
feature = feature_mt_trackpad2_usb;
}
} else if (hdev->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;
}
buf = kmemdup(feature, feature_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = hid_hw_raw_request(hdev, buf[0], buf, feature_size,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
kfree(buf);
return ret;
}
static void magicmouse_enable_mt_work(struct work_struct *work)
{
struct magicmouse_sc *msc =
container_of(work, struct magicmouse_sc, work.work);
int ret;
ret = magicmouse_enable_multitouch(msc->hdev);
if (ret < 0)
hid_err(msc->hdev, "unable to request touch data (%d)\n", ret);
}
static int magicmouse_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
const u8 *feature;
const u8 feature_mt[] = { 0xD7, 0x01 };
const u8 feature_mt_trackpad2_usb[] = { 0x02, 0x01 };
const u8 feature_mt_trackpad2_bt[] = { 0xF1, 0x02, 0x01 };
u8 *buf;
struct magicmouse_sc *msc;
struct hid_report *report;
int ret;
int feature_size;
if (id->vendor == USB_VENDOR_ID_APPLE &&
id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 &&
@ -606,6 +702,8 @@ static int magicmouse_probe(struct hid_device *hdev,
}
msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
msc->hdev = hdev;
INIT_DEFERRABLE_WORK(&msc->work, magicmouse_enable_mt_work);
msc->quirks = id->driver_data;
hid_set_drvdata(hdev, msc);
@ -631,6 +729,9 @@ 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,
@ -652,25 +753,6 @@ static int magicmouse_probe(struct hid_device *hdev,
}
report->size = 6;
if (id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
if (id->vendor == BT_VENDOR_ID_APPLE) {
feature_size = sizeof(feature_mt_trackpad2_bt);
feature = feature_mt_trackpad2_bt;
} else { /* USB_VENDOR_ID_APPLE */
feature_size = sizeof(feature_mt_trackpad2_usb);
feature = feature_mt_trackpad2_usb;
}
} else {
feature_size = sizeof(feature_mt);
feature = feature_mt;
}
buf = kmemdup(feature, feature_size, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto err_stop_hw;
}
/*
* Some devices repond with 'invalid report id' when feature
* report switching it into multitouch mode is sent to it.
@ -679,13 +761,14 @@ static int magicmouse_probe(struct hid_device *hdev,
* but there seems to be no other way of switching the mode.
* Thus the super-ugly hacky success check below.
*/
ret = hid_hw_raw_request(hdev, buf[0], buf, feature_size,
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
kfree(buf);
if (ret != -EIO && ret != feature_size) {
ret = magicmouse_enable_multitouch(hdev);
if (ret != -EIO && ret < 0) {
hid_err(hdev, "unable to request touch data (%d)\n", ret);
goto err_stop_hw;
}
if (ret == -EIO && id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE2) {
schedule_delayed_work(&msc->work, msecs_to_jiffies(500));
}
return 0;
err_stop_hw:
@ -693,9 +776,18 @@ err_stop_hw:
return ret;
}
static void magicmouse_remove(struct hid_device *hdev)
{
struct magicmouse_sc *msc = hid_get_drvdata(hdev);
cancel_delayed_work_sync(&msc->work);
hid_hw_stop(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,
@ -710,7 +802,9 @@ static struct hid_driver magicmouse_driver = {
.name = "magicmouse",
.id_table = magic_mice,
.probe = magicmouse_probe,
.remove = magicmouse_remove,
.raw_event = magicmouse_raw_event,
.event = magicmouse_event,
.input_mapping = magicmouse_input_mapping,
.input_configured = magicmouse_input_configured,
};

3
include/linux/hid.h
Просмотреть файл

@ -153,6 +153,7 @@ struct hid_item {
#define HID_UP_CONSUMER 0x000c0000
#define HID_UP_DIGITIZER 0x000d0000
#define HID_UP_PID 0x000f0000
#define HID_UP_BATTERY 0x00850000
#define HID_UP_HPVENDOR 0xff7f0000
#define HID_UP_HPVENDOR2 0xff010000
#define HID_UP_MSVENDOR 0xff000000
@ -297,6 +298,8 @@ struct hid_item {
#define HID_DG_TOOLSERIALNUMBER 0x000d005b
#define HID_DG_LATENCYMODE 0x000d0060
#define HID_BAT_ABSOLUTESTATEOFCHARGE 0x00850065
#define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076
/*
* HID report types --- Ouch! HID spec says 1 2 3!