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Merge branch 'for-4.19/wacom' into for-linus

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Wacom driver updates:

- touch_max detection improvements
- quirk handling cleanup
- get rid of wacom custom usages
This commit is contained in:
Jiri Kosina 2018-08-20 18:12:42 +02:00
commit ffbeeaa460
2 changed files with 66 additions and 59 deletions
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105
drivers/hid/wacom_sys.c
View File

@ -210,6 +210,57 @@ static int wacom_calc_hid_res(int logical_extents, int physical_extents,
return hidinput_calc_abs_res(&field, ABS_X);
}
static void wacom_hid_usage_quirk(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_features *features = &wacom->wacom_wac.features;
unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
/*
* The Dell Canvas 27 needs to be switched to its vendor-defined
* report to provide the best resolution.
*/
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x4200 &&
field->application == HID_UP_MSVENDOR) {
wacom->wacom_wac.mode_report = field->report->id;
wacom->wacom_wac.mode_value = 2;
}
/*
* ISDv4 devices which predate HID's adoption of the
* HID_DG_BARELSWITCH2 usage use 0x000D0000 in its
* position instead. We can accurately detect if a
* usage with that value should be HID_DG_BARRELSWITCH2
* based on the surrounding usages, which have remained
* constant across generations.
*/
if (features->type == HID_GENERIC &&
usage->hid == 0x000D0000 &&
field->application == HID_DG_PEN &&
field->physical == HID_DG_STYLUS) {
int i = usage->usage_index;
if (i-4 >= 0 && i+1 < field->maxusage &&
field->usage[i-4].hid == HID_DG_TIPSWITCH &&
field->usage[i-3].hid == HID_DG_BARRELSWITCH &&
field->usage[i-2].hid == HID_DG_ERASER &&
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
}
}
/* 2nd-generation Intuos Pro Large has incorrect Y maximum */
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x0358 &&
WACOM_PEN_FIELD(field) &&
equivalent_usage == HID_GD_Y) {
field->logical_maximum = 43200;
}
}
static void wacom_feature_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
@ -221,6 +272,8 @@ static void wacom_feature_mapping(struct hid_device *hdev,
int ret;
u32 n;
wacom_hid_usage_quirk(hdev, field, usage);
switch (equivalent_usage) {
case HID_DG_CONTACTMAX:
/* leave touch_max as is if predefined */
@ -300,13 +353,6 @@ static void wacom_feature_mapping(struct hid_device *hdev,
kfree(data);
break;
}
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x4200 /* Dell Canvas 27 */ &&
field->application == HID_UP_MSVENDOR) {
wacom->wacom_wac.mode_report = field->report->id;
wacom->wacom_wac.mode_value = 2;
}
}
/*
@ -348,6 +394,7 @@ static void wacom_usage_mapping(struct hid_device *hdev,
struct wacom_features *features = &wacom->wacom_wac.features;
bool finger = WACOM_FINGER_FIELD(field);
bool pen = WACOM_PEN_FIELD(field);
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
/*
* Requiring Stylus Usage will ignore boot mouse
@ -361,49 +408,9 @@ static void wacom_usage_mapping(struct hid_device *hdev,
else
return;
/*
* Bamboo models do not support HID_DG_CONTACTMAX.
* And, Bamboo Pen only descriptor contains touch.
*/
if (features->type > BAMBOO_PT) {
/* ISDv4 touch devices at least supports one touch point */
if (finger && !features->touch_max)
features->touch_max = 1;
}
wacom_hid_usage_quirk(hdev, field, usage);
/*
* ISDv4 devices which predate HID's adoption of the
* HID_DG_BARELSWITCH2 usage use 0x000D0000 in its
* position instead. We can accurately detect if a
* usage with that value should be HID_DG_BARRELSWITCH2
* based on the surrounding usages, which have remained
* constant across generations.
*/
if (features->type == HID_GENERIC &&
usage->hid == 0x000D0000 &&
field->application == HID_DG_PEN &&
field->physical == HID_DG_STYLUS) {
int i = usage->usage_index;
if (i-4 >= 0 && i+1 < field->maxusage &&
field->usage[i-4].hid == HID_DG_TIPSWITCH &&
field->usage[i-3].hid == HID_DG_BARRELSWITCH &&
field->usage[i-2].hid == HID_DG_ERASER &&
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
}
}
/* 2nd-generation Intuos Pro Large has incorrect Y maximum */
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x0358 &&
WACOM_PEN_FIELD(field) &&
wacom_equivalent_usage(usage->hid) == HID_GD_Y) {
field->logical_maximum = 43200;
}
switch (usage->hid) {
switch (equivalent_usage) {
case HID_GD_X:
features->x_max = field->logical_maximum;
if (finger) {

20
drivers/hid/wacom_wac.c
View File

@ -4357,19 +4357,19 @@ static const struct wacom_features wacom_features_0x5E =
.check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
static const struct wacom_features wacom_features_0x90 =
{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x93 =
{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x97 =
{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x9A =
{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x9F =
{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0xE2 =
{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
@ -4384,13 +4384,13 @@ static const struct wacom_features wacom_features_0xE6 =
TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
static const struct wacom_features wacom_features_0xEC =
{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0xED =
{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0xEF =
{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x100 =
{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@ -4408,10 +4408,10 @@ static const struct wacom_features wacom_features_0x10F =
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x116 =
{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x12C =
{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x4001 =
{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };