Input: wacom - add support for DTU2231 and DTU1631

Add support for the two new devices: DTU2231 and DTU1631.

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

2 files changed, 45 insertions, 0 deletions

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index d564af58175c..555ef26e206d 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -158,6 +158,39 @@ static int wacom_ptu_irq(struct wacom_wac *wacom)
         return 1;
 }
 
+static int wacom_dtu_irq(struct wacom_wac *wacom)
+{
+        struct wacom_features *features = &wacom->features;
+        char *data = wacom->data;
+        struct input_dev *input = wacom->input;
+        int prox = data[1] & 0x20, pressure;
+
+        dbg("wacom_dtu_irq: received report #%d", data[0]);
+
+        if (prox) {
+                /* Going into proximity select tool */
+                wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+                if (wacom->tool[0] == BTN_TOOL_PEN)
+                        wacom->id[0] = STYLUS_DEVICE_ID;
+                else
+                        wacom->id[0] = ERASER_DEVICE_ID;
+        }
+        input_report_key(input, BTN_STYLUS, data[1] & 0x02);
+        input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
+        input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+        input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+        pressure = ((data[7] & 0x01) << 8) | data[6];
+        if (pressure < 0)
+                pressure = features->pressure_max + pressure + 1;
+        input_report_abs(input, ABS_PRESSURE, pressure);
+        input_report_key(input, BTN_TOUCH, data[1] & 0x05);
+        if (!prox) /* out-prox */
+                wacom->id[0] = 0;
+        input_report_key(input, wacom->tool[0], prox);
+        input_report_abs(input, ABS_MISC, wacom->id[0]);
+        return 1;
+}
+
 static int wacom_graphire_irq(struct wacom_wac *wacom)
 {
         struct wacom_features *features = &wacom->features;
@@ -844,6 +877,10 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
                 sync = wacom_ptu_irq(wacom_wac);
                 break;
 
+        case DTU:
+                sync = wacom_dtu_irq(wacom_wac);
+                break;
+
         case INTUOS:
         case INTUOS3S:
         case INTUOS3:
@@ -1029,6 +1066,7 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
 
         case PL:
         case PTU:
+        case DTU:
                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                 __set_bit(BTN_STYLUS, input_dev->keybit);
                 __set_bit(BTN_STYLUS2, input_dev->keybit);
@@ -1154,6 +1192,10 @@ static const struct wacom_features wacom_features_0xC6 =
         { "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023, 63, WACOM_BEE };
 static const struct wacom_features wacom_features_0xC7 =
         { "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,  0, PL };
+static const struct wacom_features wacom_features_0xCE =
+        { "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,  0, DTU };
+static const struct wacom_features wacom_features_0xF0 =
+        { "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,  0, DTU };
 static const struct wacom_features wacom_features_0xCC =
         { "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047, 63, WACOM_21UX2 };
 static const struct wacom_features wacom_features_0x90 =
@@ -1233,6 +1275,8 @@ const struct usb_device_id wacom_ids[] = {
         { USB_DEVICE_WACOM(0xC5) },
         { USB_DEVICE_WACOM(0xC6) },
         { USB_DEVICE_WACOM(0xC7) },
+        { USB_DEVICE_WACOM(0xCE) },
+        { USB_DEVICE_WACOM(0xF0) },
         { USB_DEVICE_WACOM(0xCC) },
         { USB_DEVICE_WACOM(0x90) },
         { USB_DEVICE_WACOM(0x93) },
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 854b92092dfc..99e1a54cd305 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -43,6 +43,7 @@ enum {
         WACOM_G4,
         PTU,
         PL,
+        DTU,
         INTUOS,
         INTUOS3S,
         INTUOS3,