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HID: wacom: generic: add vendor defined touch 

Add vendor defined touch to support the second generation Intuos Pro.
Previously all generic Wacom devices used true HID to report their touch.

Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Aaron Armstrong Skomra 2017-01-25 12:08:40 -08:00 committed by Jiri Kosina
parent 60a2218698
commit ac2423c975
4 changed files with 43 additions and 9 deletions
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1
drivers/hid/wacom.h
View File

@ -219,4 +219,5 @@ enum led_brightness wacom_leds_brightness_get(struct wacom_led *led);
struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group,
unsigned int id);
struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur);
int wacom_equivalent_usage(int usage);
#endif

13
drivers/hid/wacom_sys.c
View File

@ -112,11 +112,12 @@ static void wacom_feature_mapping(struct hid_device *hdev,
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_features *features = &wacom->wacom_wac.features;
struct hid_data *hid_data = &wacom->wacom_wac.hid_data;
unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
u8 *data;
int ret;
int n;
switch (usage->hid) {
switch (equivalent_usage) {
case HID_DG_CONTACTMAX:
/* leave touch_max as is if predefined */
if (!features->touch_max) {
@ -325,8 +326,14 @@ static void wacom_post_parse_hid(struct hid_device *hdev,
if (features->type == HID_GENERIC) {
/* Any last-minute generic device setup */
if (features->touch_max > 1) {
input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max,
INPUT_MT_DIRECT);
if (features->device_type & WACOM_DEVICETYPE_DIRECT)
input_mt_init_slots(wacom_wac->touch_input,
wacom_wac->features.touch_max,
INPUT_MT_DIRECT);
else
input_mt_init_slots(wacom_wac->touch_input,
wacom_wac->features.touch_max,
INPUT_MT_POINTER);
}
}
}

22
drivers/hid/wacom_wac.c
View File

@ -1599,7 +1599,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
return 0;
}
static int wacom_equivalent_usage(int usage)
int wacom_equivalent_usage(int usage)
{
if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
int subpage = (usage & 0xFF00) << 8;
@ -1626,6 +1626,16 @@ static int wacom_equivalent_usage(int usage)
return subpage | subusage;
}
if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
int subpage = (usage & 0xFF00) << 8;
int subusage = (usage & 0xFF);
if (subpage == HID_UP_UNDEFINED)
subpage = WACOM_HID_SP_DIGITIZER;
return subpage | subusage;
}
return usage;
}
@ -2218,8 +2228,10 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
for (j = 0; j < field->maxusage; j++) {
struct hid_usage *usage = &field->usage[j];
unsigned int equivalent_usage =
wacom_equivalent_usage(usage->hid);
switch (usage->hid) {
switch (equivalent_usage) {
case HID_GD_X:
case HID_GD_Y:
case HID_DG_WIDTH:
@ -2228,7 +2240,7 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
case HID_DG_INRANGE:
case HID_DG_INVERT:
case HID_DG_TIPSWITCH:
hid_data->last_slot_field = usage->hid;
hid_data->last_slot_field = equivalent_usage;
break;
case HID_DG_CONTACTCOUNT:
hid_data->cc_report = report->id;
@ -2283,8 +2295,8 @@ void wacom_wac_usage_mapping(struct hid_device *hdev,
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
/* currently, only direct devices have proper hid report descriptors */
features->device_type |= WACOM_DEVICETYPE_DIRECT;
if (WACOM_DIRECT_DEVICE(field))
features->device_type |= WACOM_DEVICETYPE_DIRECT;
if (WACOM_PAD_FIELD(field))
wacom_wac_pad_usage_mapping(hdev, field, usage);

16
drivers/hid/wacom_wac.h
View File

@ -101,6 +101,7 @@
#define WACOM_HID_SP_DIGITIZER 0x000d0000
#define WACOM_HID_SP_DIGITIZERINFO 0x00100000
#define WACOM_HID_WD_DIGITIZER (WACOM_HID_UP_WACOMDIGITIZER | 0x01)
#define WACOM_HID_WD_PEN (WACOM_HID_UP_WACOMDIGITIZER | 0x02)
#define WACOM_HID_WD_SENSE (WACOM_HID_UP_WACOMDIGITIZER | 0x36)
#define WACOM_HID_WD_DIGITIZERFNKEYS (WACOM_HID_UP_WACOMDIGITIZER | 0x39)
#define WACOM_HID_WD_SERIALHI (WACOM_HID_UP_WACOMDIGITIZER | 0x5c)
@ -137,6 +138,12 @@
#define WACOM_HID_UP_G11 0xff110000
#define WACOM_HID_G11_PEN (WACOM_HID_UP_G11 | 0x02)
#define WACOM_HID_G11_TOUCHSCREEN (WACOM_HID_UP_G11 | 0x11)
#define WACOM_HID_UP_WACOMTOUCH 0xff000000
#define WACOM_HID_WT_TOUCHSCREEN (WACOM_HID_UP_WACOMTOUCH | 0x04)
#define WACOM_HID_WT_TOUCHPAD (WACOM_HID_UP_WACOMTOUCH | 0x05)
#define WACOM_HID_WT_CONTACTMAX (WACOM_HID_UP_WACOMTOUCH | 0x55)
#define WACOM_HID_WT_X (WACOM_HID_UP_WACOMTOUCH | 0x130)
#define WACOM_HID_WT_Y (WACOM_HID_UP_WACOMTOUCH | 0x131)
#define WACOM_PAD_FIELD(f) (((f)->physical == HID_DG_TABLETFUNCTIONKEY) || \
((f)->physical == WACOM_HID_WD_DIGITIZERFNKEYS) || \
@ -154,7 +161,14 @@
((f)->physical == HID_DG_FINGER) || \
((f)->application == HID_DG_TOUCHSCREEN) || \
((f)->application == WACOM_HID_G9_TOUCHSCREEN) || \
((f)->application == WACOM_HID_G11_TOUCHSCREEN))
((f)->application == WACOM_HID_G11_TOUCHSCREEN) || \
((f)->application == WACOM_HID_WT_TOUCHPAD) || \
((f)->application == HID_DG_TOUCHPAD))
#define WACOM_DIRECT_DEVICE(f) (((f)->application == HID_DG_TOUCHSCREEN) || \
((f)->application == WACOM_HID_WT_TOUCHSCREEN) || \
((f)->application == HID_DG_PEN) || \
((f)->application == WACOM_HID_WD_PEN))
enum {
PENPARTNER = 0,