]> Pileus Git - ~andy/linux/blobdiff - drivers/hid/hid-multitouch.c
Merge branches 'hyperv', 'multitouch', 'roccat', 'upstream', 'upstream-fixes', 'wacom...
[~andy/linux] / drivers / hid / hid-multitouch.c
index f1c909f1b23998f91d9b7b76d8cf31e53f65aadd..24fc4423b9373f749dab0f743f62692280d7db24 100644 (file)
@@ -50,7 +50,6 @@ MODULE_LICENSE("GPL");
 #define MT_QUIRK_ALWAYS_VALID          (1 << 4)
 #define MT_QUIRK_VALID_IS_INRANGE      (1 << 5)
 #define MT_QUIRK_VALID_IS_CONFIDENCE   (1 << 6)
-#define MT_QUIRK_EGALAX_XYZ_FIXUP      (1 << 7)
 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE   (1 << 8)
 
 struct mt_slot {
@@ -60,9 +59,19 @@ struct mt_slot {
        bool seen_in_this_frame;/* has this slot been updated */
 };
 
+struct mt_class {
+       __s32 name;     /* MT_CLS */
+       __s32 quirks;
+       __s32 sn_move;  /* Signal/noise ratio for move events */
+       __s32 sn_width; /* Signal/noise ratio for width events */
+       __s32 sn_height;        /* Signal/noise ratio for height events */
+       __s32 sn_pressure;      /* Signal/noise ratio for pressure events */
+       __u8 maxcontacts;
+};
+
 struct mt_device {
        struct mt_slot curdata; /* placeholder of incoming data */
-       struct mt_class *mtclass;       /* our mt device class */
+       struct mt_class mtclass;        /* our mt device class */
        unsigned last_field_index;      /* last field index of the report */
        unsigned last_slot_field;       /* the last field of a slot */
        int last_mt_collection; /* last known mt-related collection */
@@ -74,30 +83,23 @@ struct mt_device {
        struct mt_slot *slots;
 };
 
-struct mt_class {
-       __s32 name;     /* MT_CLS */
-       __s32 quirks;
-       __s32 sn_move;  /* Signal/noise ratio for move events */
-       __s32 sn_width; /* Signal/noise ratio for width events */
-       __s32 sn_height;        /* Signal/noise ratio for height events */
-       __s32 sn_pressure;      /* Signal/noise ratio for pressure events */
-       __u8 maxcontacts;
-};
-
 /* classes of device behavior */
 #define MT_CLS_DEFAULT                         0x0001
 
 #define MT_CLS_SERIAL                          0x0002
 #define MT_CLS_CONFIDENCE                      0x0003
-#define MT_CLS_CONFIDENCE_MINUS_ONE            0x0004
-#define MT_CLS_DUAL_INRANGE_CONTACTID          0x0005
-#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER      0x0006
-#define MT_CLS_DUAL_NSMU_CONTACTID             0x0007
+#define MT_CLS_CONFIDENCE_CONTACT_ID           0x0004
+#define MT_CLS_CONFIDENCE_MINUS_ONE            0x0005
+#define MT_CLS_DUAL_INRANGE_CONTACTID          0x0006
+#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER      0x0007
+#define MT_CLS_DUAL_NSMU_CONTACTID             0x0008
+#define MT_CLS_INRANGE_CONTACTNUMBER           0x0009
 
 /* vendor specific classes */
 #define MT_CLS_3M                              0x0101
 #define MT_CLS_CYPRESS                         0x0102
 #define MT_CLS_EGALAX                          0x0103
+#define MT_CLS_EGALAX_SERIAL                   0x0104
 
 #define MT_DEFAULT_MAXCONTACT  10
 
@@ -133,13 +135,16 @@ static int find_slot_from_contactid(struct mt_device *td)
        return -1;
 }
 
-struct mt_class mt_classes[] = {
+static struct mt_class mt_classes[] = {
        { .name = MT_CLS_DEFAULT,
                .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
        { .name = MT_CLS_SERIAL,
                .quirks = MT_QUIRK_ALWAYS_VALID},
        { .name = MT_CLS_CONFIDENCE,
                .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
+       { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
+               .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
+                       MT_QUIRK_SLOT_IS_CONTACTID },
        { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
                .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
                        MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
@@ -155,6 +160,9 @@ struct mt_class mt_classes[] = {
                .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
                        MT_QUIRK_SLOT_IS_CONTACTID,
                .maxcontacts = 2 },
+       { .name = MT_CLS_INRANGE_CONTACTNUMBER,
+               .quirks = MT_QUIRK_VALID_IS_INRANGE |
+                       MT_QUIRK_SLOT_IS_CONTACTNUMBER },
 
        /*
         * vendor specific classes
@@ -171,9 +179,13 @@ struct mt_class mt_classes[] = {
                .maxcontacts = 10 },
        { .name = MT_CLS_EGALAX,
                .quirks =  MT_QUIRK_SLOT_IS_CONTACTID |
-                       MT_QUIRK_VALID_IS_INRANGE |
-                       MT_QUIRK_EGALAX_XYZ_FIXUP,
-               .maxcontacts = 2,
+                       MT_QUIRK_VALID_IS_INRANGE,
+               .sn_move = 4096,
+               .sn_pressure = 32,
+       },
+       { .name = MT_CLS_EGALAX_SERIAL,
+               .quirks =  MT_QUIRK_SLOT_IS_CONTACTID |
+                       MT_QUIRK_ALWAYS_VALID,
                .sn_move = 4096,
                .sn_pressure = 32,
        },
@@ -181,6 +193,44 @@ struct mt_class mt_classes[] = {
        { }
 };
 
+static ssize_t mt_show_quirks(struct device *dev,
+                          struct device_attribute *attr,
+                          char *buf)
+{
+       struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+       struct mt_device *td = hid_get_drvdata(hdev);
+
+       return sprintf(buf, "%u\n", td->mtclass.quirks);
+}
+
+static ssize_t mt_set_quirks(struct device *dev,
+                         struct device_attribute *attr,
+                         const char *buf, size_t count)
+{
+       struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+       struct mt_device *td = hid_get_drvdata(hdev);
+
+       unsigned long val;
+
+       if (kstrtoul(buf, 0, &val))
+               return -EINVAL;
+
+       td->mtclass.quirks = val;
+
+       return count;
+}
+
+static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
+
+static struct attribute *sysfs_attrs[] = {
+       &dev_attr_quirks.attr,
+       NULL
+};
+
+static struct attribute_group mt_attribute_group = {
+       .attrs = sysfs_attrs
+};
+
 static void mt_feature_mapping(struct hid_device *hdev,
                struct hid_field *field, struct hid_usage *usage)
 {
@@ -192,9 +242,9 @@ static void mt_feature_mapping(struct hid_device *hdev,
                break;
        case HID_DG_CONTACTMAX:
                td->maxcontacts = field->value[0];
-               if (td->mtclass->maxcontacts)
+               if (td->mtclass.maxcontacts)
                        /* check if the maxcontacts is given by the class */
-                       td->maxcontacts = td->mtclass->maxcontacts;
+                       td->maxcontacts = td->mtclass.maxcontacts;
 
                break;
        }
@@ -214,8 +264,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                unsigned long **bit, int *max)
 {
        struct mt_device *td = hid_get_drvdata(hdev);
-       struct mt_class *cls = td->mtclass;
-       __s32 quirks = cls->quirks;
+       struct mt_class *cls = &td->mtclass;
 
        /* Only map fields from TouchScreen or TouchPad collections.
          * We need to ignore fields that belong to other collections
@@ -227,13 +276,17 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
        else
                return 0;
 
+       /* eGalax devices provide a Digitizer.Stylus input which overrides
+        * the correct Digitizers.Finger X/Y ranges.
+        * Let's just ignore this input. */
+       if (field->physical == HID_DG_STYLUS)
+               return -1;
+
        switch (usage->hid & HID_USAGE_PAGE) {
 
        case HID_UP_GENDESK:
                switch (usage->hid) {
                case HID_GD_X:
-                       if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
-                               field->logical_maximum = 32760;
                        hid_map_usage(hi, usage, bit, max,
                                        EV_ABS, ABS_MT_POSITION_X);
                        set_abs(hi->input, ABS_MT_POSITION_X, field,
@@ -246,8 +299,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                        }
                        return 1;
                case HID_GD_Y:
-                       if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
-                               field->logical_maximum = 32760;
                        hid_map_usage(hi, usage, bit, max,
                                        EV_ABS, ABS_MT_POSITION_Y);
                        set_abs(hi->input, ABS_MT_POSITION_Y, field,
@@ -315,8 +366,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                        }
                        return 1;
                case HID_DG_TIPPRESSURE:
-                       if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
-                               field->logical_minimum = 0;
                        hid_map_usage(hi, usage, bit, max,
                                        EV_ABS, ABS_MT_PRESSURE);
                        set_abs(hi->input, ABS_MT_PRESSURE, field,
@@ -363,7 +412,7 @@ static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 
 static int mt_compute_slot(struct mt_device *td)
 {
-       __s32 quirks = td->mtclass->quirks;
+       __s32 quirks = td->mtclass.quirks;
 
        if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
                return td->curdata.contactid;
@@ -407,7 +456,7 @@ static void mt_emit_event(struct mt_device *td, struct input_dev *input)
 
        for (i = 0; i < td->maxcontacts; ++i) {
                struct mt_slot *s = &(td->slots[i]);
-               if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
+               if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
                        !s->seen_in_this_frame) {
                        s->touch_state = false;
                }
@@ -444,7 +493,7 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
                                struct hid_usage *usage, __s32 value)
 {
        struct mt_device *td = hid_get_drvdata(hid);
-       __s32 quirks = td->mtclass->quirks;
+       __s32 quirks = td->mtclass.quirks;
 
        if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
                switch (usage->hid) {
@@ -552,7 +601,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
                dev_err(&hdev->dev, "cannot allocate multitouch data\n");
                return -ENOMEM;
        }
-       td->mtclass = mtclass;
+       td->mtclass = *mtclass;
        td->inputmode = -1;
        td->last_mt_collection = -1;
        hid_set_drvdata(hdev, td);
@@ -574,6 +623,8 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
                goto fail;
        }
 
+       ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
+
        mt_set_input_mode(hdev);
 
        return 0;
@@ -594,6 +645,7 @@ static int mt_reset_resume(struct hid_device *hdev)
 static void mt_remove(struct hid_device *hdev)
 {
        struct mt_device *td = hid_get_drvdata(hdev);
+       sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
        hid_hw_stop(hdev);
        kfree(td->slots);
        kfree(td);
@@ -609,12 +661,20 @@ static const struct hid_device_id mt_devices[] = {
        { .driver_data = MT_CLS_3M,
                HID_USB_DEVICE(USB_VENDOR_ID_3M,
                        USB_DEVICE_ID_3M2256) },
+       { .driver_data = MT_CLS_3M,
+               HID_USB_DEVICE(USB_VENDOR_ID_3M,
+                       USB_DEVICE_ID_3M3266) },
 
        /* ActionStar panels */
        { .driver_data = MT_CLS_DEFAULT,
                HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
                        USB_DEVICE_ID_ACTIONSTAR_1011) },
 
+       /* Atmel panels */
+       { .driver_data = MT_CLS_SERIAL,
+               HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
+                       USB_DEVICE_ID_ATMEL_MULTITOUCH) },
+
        /* Cando panels */
        { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
                HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
@@ -645,23 +705,32 @@ static const struct hid_device_id mt_devices[] = {
                        USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
 
        /* eGalax devices (resistive) */
-       {  .driver_data = MT_CLS_EGALAX,
+       { .driver_data = MT_CLS_EGALAX,
                HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
-                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
-       {  .driver_data = MT_CLS_EGALAX,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
+       { .driver_data = MT_CLS_EGALAX,
                HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
-                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) },
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
 
        /* eGalax devices (capacitive) */
-       {  .driver_data = MT_CLS_EGALAX,
+       { .driver_data = MT_CLS_EGALAX,
                HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
-                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) },
-       {  .driver_data = MT_CLS_EGALAX,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
+       { .driver_data = MT_CLS_EGALAX,
                HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
-                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) },
-       {  .driver_data = MT_CLS_EGALAX,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
+       { .driver_data = MT_CLS_EGALAX,
                HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
-                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
+       { .driver_data = MT_CLS_EGALAX,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
+       { .driver_data = MT_CLS_EGALAX,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
+       { .driver_data = MT_CLS_EGALAX_SERIAL,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
 
        /* Elo TouchSystems IntelliTouch Plus panel */
        { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
@@ -678,6 +747,11 @@ static const struct hid_device_id mt_devices[] = {
                HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
                        USB_DEVICE_ID_GOODTOUCH_000f) },
 
+       /* Hanvon panels */
+       { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
+               HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
+                       USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
+
        /* Ideacom panel */
        { .driver_data = MT_CLS_SERIAL,
                HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
@@ -722,6 +796,17 @@ static const struct hid_device_id mt_devices[] = {
                HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
                        USB_DEVICE_ID_PENMOUNT_PCI) },
 
+       /* PixArt optical touch screen */
+       { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
+               HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
+                       USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
+       { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
+               HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
+                       USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
+       { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
+               HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
+                       USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
+
        /* PixCir-based panels */
        { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
                HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
@@ -730,6 +815,17 @@ static const struct hid_device_id mt_devices[] = {
                HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
                        USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
 
+       /* Quanta-based panels */
+       { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+               HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+                       USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
+       { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+               HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+                       USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
+       { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+               HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+                       USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
+
        /* Stantum panels */
        { .driver_data = MT_CLS_CONFIDENCE,
                HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
@@ -758,6 +854,35 @@ static const struct hid_device_id mt_devices[] = {
                HID_USB_DEVICE(USB_VENDOR_ID_XAT,
                        USB_DEVICE_ID_XAT_CSR) },
 
+       /* Xiroku */
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_SPX) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_MPX) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_CSR) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_SPX1) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_MPX1) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_CSR1) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_SPX2) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_MPX2) },
+       { .driver_data = MT_CLS_DEFAULT,
+               HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
+                       USB_DEVICE_ID_XIROKU_CSR2) },
+
        { }
 };
 MODULE_DEVICE_TABLE(hid, mt_devices);