Input: wacom - add support for new USB Tablet PCs
[pandora-kernel.git] / drivers / input / tablet / wacom_wac.c
index ffe3384..8dc8d1e 100644 (file)
@@ -56,7 +56,7 @@ static int wacom_penpartner_irq(struct wacom_wac *wacom, void *wcombo)
 static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
 {
        unsigned char *data = wacom->data;
-       int prox, id, pressure;
+       int prox, pressure;
 
        if (data[0] != 2) {
                dbg("wacom_pl_irq: received unknown report #%d", data[0]);
@@ -65,7 +65,7 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
 
        prox = data[1] & 0x40;
 
-       id = ERASER_DEVICE_ID;
+       wacom->id[0] = ERASER_DEVICE_ID;
        if (prox) {
 
                pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
@@ -99,10 +99,10 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
                if (wacom->tool[1] != BTN_TOOL_RUBBER) {
                        /* Unknown tool selected default to pen tool */
                        wacom->tool[1] = BTN_TOOL_PEN;
-                       id = STYLUS_DEVICE_ID;
+                       wacom->id[0] = STYLUS_DEVICE_ID;
                }
                wacom_report_key(wcombo, wacom->tool[1], prox); /* report in proximity for tool */
-               wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
                wacom_report_abs(wcombo, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
                wacom_report_abs(wcombo, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
                wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
@@ -127,7 +127,6 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
 static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
 {
        unsigned char *data = wacom->data;
-       int id;
 
        if (data[0] != 2) {
                printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
@@ -137,13 +136,13 @@ static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
        if (data[1] & 0x04) {
                wacom_report_key(wcombo, BTN_TOOL_RUBBER, data[1] & 0x20);
                wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x08);
-               id = ERASER_DEVICE_ID;
+               wacom->id[0] = ERASER_DEVICE_ID;
        } else {
                wacom_report_key(wcombo, BTN_TOOL_PEN, data[1] & 0x20);
                wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
-               id = STYLUS_DEVICE_ID;
+               wacom->id[0] = STYLUS_DEVICE_ID;
        }
-       wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+       wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
        wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
        wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
        wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
@@ -155,27 +154,26 @@ static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
 static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 {
        unsigned char *data = wacom->data;
-       int x, y, id, rw;
+       int x, y, rw;
 
        if (data[0] != 2) {
                dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
                return 0;
        }
 
-       id = STYLUS_DEVICE_ID;
-       if ((data[1] & 0x80) && ((data[1] & 0x07) || data[2] || data[3] || data[4]
-                       || data[5] || data[6] || (data[7] & 0x07))) {
+       if (data[1] & 0x80) {
                /* in prox and not a pad data */
 
                switch ((data[1] >> 5) & 3) {
 
                        case 0: /* Pen */
                                wacom->tool[0] = BTN_TOOL_PEN;
+                               wacom->id[0] = STYLUS_DEVICE_ID;
                                break;
 
                        case 1: /* Rubber */
                                wacom->tool[0] = BTN_TOOL_RUBBER;
-                               id = ERASER_DEVICE_ID;
+                               wacom->id[0] = ERASER_DEVICE_ID;
                                break;
 
                        case 2: /* Mouse with wheel */
@@ -190,7 +188,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 
                        case 3: /* Mouse without wheel */
                                wacom->tool[0] = BTN_TOOL_MOUSE;
-                               id = CURSOR_DEVICE_ID;
+                               wacom->id[0] = CURSOR_DEVICE_ID;
                                wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
                                wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
                                if (wacom->features->type == WACOM_G4 ||
@@ -210,9 +208,9 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
                        wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
                        wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
                }
-               wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
                wacom_report_key(wcombo, wacom->tool[0], 1);
-       } else if (!(data[1] & 0x90)) {
+       } else if (wacom->id[0]) {
                wacom_report_abs(wcombo, ABS_X, 0);
                wacom_report_abs(wcombo, ABS_Y, 0);
                if (wacom->tool[0] == BTN_TOOL_MOUSE) {
@@ -225,6 +223,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
                        wacom_report_key(wcombo, BTN_STYLUS, 0);
                        wacom_report_key(wcombo, BTN_STYLUS2, 0);
                }
+               wacom->id[0] = 0;
                wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
                wacom_report_key(wcombo, wacom->tool[0], 0);
        }
@@ -234,13 +233,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
            case WACOM_G4:
                if (data[7] & 0xf8) {
                        wacom_input_sync(wcombo); /* sync last event */
-                       wacom->id[1] = 1;
+                       wacom->id[1] = PAD_DEVICE_ID;
                        wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
                        wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
                        rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
                        wacom_report_rel(wcombo, REL_WHEEL, rw);
                        wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
-                       wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
+                       wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
                        wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
                } else if (wacom->id[1]) {
                        wacom_input_sync(wcombo); /* sync last event */
@@ -255,14 +254,14 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
            case WACOM_MO:
                if ((data[7] & 0xf8) || (data[8] & 0xff)) {
                        wacom_input_sync(wcombo); /* sync last event */
-                       wacom->id[1] = 1;
+                       wacom->id[1] = PAD_DEVICE_ID;
                        wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
                        wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
                        wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
                        wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
                        wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
                        wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
-                       wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
+                       wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
                        wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
                } else if (wacom->id[1]) {
                        wacom_input_sync(wcombo); /* sync last event */
@@ -536,31 +535,147 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
        return 1;
 }
 
+int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       char *data = wacom->data;
+       int prox = 0, pressure;
+       static int stylusInProx, touchInProx = 1, touchOut;
+       struct urb *urb = ((struct wacom_combo *)wcombo)->urb;
+
+       dbg("wacom_tpc_irq: received report #%d", data[0]);
+
+       if (urb->actual_length == 5 || data[0] == 6) { /* Touch data */
+               if (urb->actual_length == 5) {  /* with touch */
+                       prox = data[0] & 0x03;
+               } else {  /* with capacity */
+                       prox = data[1] & 0x03;
+               }
+
+               if (!stylusInProx) { /* stylus not in prox */
+                       if (prox) {
+                               if (touchInProx) {
+                                       wacom->tool[1] = BTN_TOOL_DOUBLETAP;
+                                       wacom->id[0] = TOUCH_DEVICE_ID;
+                                       if (urb->actual_length != 5) {
+                                               wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
+                                               wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
+                                               wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
+                                               wacom_report_key(wcombo, BTN_TOUCH, wacom_le16_to_cpu(&data[6]));
+                                       } else {
+                                               wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
+                                               wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
+                                               wacom_report_key(wcombo, BTN_TOUCH, 1);
+                                       }
+                                       wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
+                                       wacom_report_key(wcombo, wacom->tool[1], prox & 0x01);
+                                       touchOut = 1;
+                                       return 1;
+                               }
+                       } else {
+                               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
+                               wacom_report_key(wcombo, wacom->tool[1], prox & 0x01);
+                               wacom_report_key(wcombo, BTN_TOUCH, 0);
+                               touchOut = 0;
+                               touchInProx = 1;
+                               return 1;
+                       }
+               } else if (touchOut || !prox) { /* force touch out-prox */
+                       wacom_report_abs(wcombo, ABS_MISC, TOUCH_DEVICE_ID);
+                       wacom_report_key(wcombo, BTN_TOUCH, 0);
+                       touchOut = 0;
+                       touchInProx = 1;
+                       return 1;
+               }
+       } else if (data[0] == 2) { /* Penabled */
+               prox = data[1] & 0x20;
+
+               touchInProx = 0;
+
+               wacom->id[0] = ERASER_DEVICE_ID;
+
+               /*
+                * if going from out of proximity into proximity select between the eraser
+                * and the pen based on the state of the stylus2 button, choose eraser if
+                * pressed else choose pen. if not a proximity change from out to in, send
+                * an out of proximity for previous tool then a in for new tool.
+                */
+               if (prox) { /* in prox */
+                       if (!wacom->tool[0]) {
+                               /* Going into proximity select tool */
+                               wacom->tool[1] = (data[1] & 0x08) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+                               if (wacom->tool[1] == BTN_TOOL_PEN)
+                                       wacom->id[0] = STYLUS_DEVICE_ID;
+                       } else if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[1] & 0x08)) {
+                               /*
+                                * was entered with stylus2 pressed
+                                * report out proximity for previous tool
+                               */
+                               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
+                               wacom_report_key(wcombo, wacom->tool[1], 0);
+                               wacom_input_sync(wcombo);
+
+                               /* set new tool */
+                               wacom->tool[1] = BTN_TOOL_PEN;
+                               wacom->id[0] = STYLUS_DEVICE_ID;
+                               return 0;
+                       }
+                       if (wacom->tool[1] != BTN_TOOL_RUBBER) {
+                               /* Unknown tool selected default to pen tool */
+                               wacom->tool[1] = BTN_TOOL_PEN;
+                               wacom->id[0] = STYLUS_DEVICE_ID;
+                       }
+                       wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
+                       wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
+                       wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
+                       wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
+                       pressure = ((data[7] & 0x01) << 8) | data[6];
+                       if (pressure < 0)
+                               pressure = wacom->features->pressure_max + pressure + 1;
+                       wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
+                       wacom_report_key(wcombo, BTN_TOUCH, pressure);
+               } else {
+                       wacom_report_abs(wcombo, ABS_PRESSURE, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS2, 0);
+                       wacom_report_key(wcombo, BTN_TOUCH, 0);
+               }
+               wacom_report_key(wcombo, wacom->tool[1], prox);
+               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
+               stylusInProx = prox;
+               wacom->tool[0] = prox;
+               return 1;
+       }
+       return 0;
+}
+
 int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
 {
        switch (wacom_wac->features->type) {
                case PENPARTNER:
-                       return (wacom_penpartner_irq(wacom_wac, wcombo));
-                       break;
+                       return wacom_penpartner_irq(wacom_wac, wcombo);
+
                case PL:
-                       return (wacom_pl_irq(wacom_wac, wcombo));
-                       break;
+                       return wacom_pl_irq(wacom_wac, wcombo);
+
                case WACOM_G4:
                case GRAPHIRE:
                case WACOM_MO:
-                       return (wacom_graphire_irq(wacom_wac, wcombo));
-                       break;
+                       return wacom_graphire_irq(wacom_wac, wcombo);
+
                case PTU:
-                       return (wacom_ptu_irq(wacom_wac, wcombo));
-                       break;
+                       return wacom_ptu_irq(wacom_wac, wcombo);
+
                case INTUOS:
                case INTUOS3S:
                case INTUOS3:
                case INTUOS3L:
                case CINTIQ:
                case WACOM_BEE:
-                       return (wacom_intuos_irq(wacom_wac, wcombo));
-                       break;
+                       return wacom_intuos_irq(wacom_wac, wcombo);
+
+               case TABLETPC:
+                       return wacom_tpc_irq(wacom_wac, wcombo);
+
                default:
                        return 0;
        }
@@ -587,13 +702,15 @@ void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_w
                        /* fall through */
                case INTUOS3S:
                        input_dev_i3s(input_dev, wacom_wac);
+                       /* fall through */
                case INTUOS:
                        input_dev_i(input_dev, wacom_wac);
                        break;
                case PL:
                case PTU:
+               case TABLETPC:
                        input_dev_pl(input_dev, wacom_wac);
-                       break;
+                       /* fall through */
                case PENPARTNER:
                        input_dev_pt(input_dev, wacom_wac);
                        break;
@@ -612,6 +729,7 @@ static struct wacom_features wacom_features[] = {
        { "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 63, WACOM_G4 },
        { "Wacom BambooFun 4x5", 9,  14760,  9225,  511, 63, WACOM_MO },
        { "Wacom BambooFun 6x8", 9,  21648, 13530,  511, 63, WACOM_MO },
+       { "Wacom Bamboo1 Medium",8,  16704, 12064,  511, 63, GRAPHIRE },
        { "Wacom Volito",        8,   5104,  3712,  511, 63, GRAPHIRE },
        { "Wacom PenStation2",   8,   3250,  2320,  255, 63, GRAPHIRE },
        { "Wacom Volito2 4x5",   8,   5104,  3712,  511, 63, GRAPHIRE },
@@ -649,7 +767,12 @@ static struct wacom_features wacom_features[] = {
        { "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 63, INTUOS3 },
        { "Wacom Intuos3 4x6",   10, 31496, 19685, 1023, 63, INTUOS3S },
        { "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 63, CINTIQ },
+       { "Wacom Cintiq 20WSX",  10, 86680, 54180, 1023, 63, WACOM_BEE },
        { "Wacom Cintiq 12WX",   10, 53020, 33440, 1023, 63, WACOM_BEE },
+       { "Wacom DTU1931",        8, 37832, 30305,  511,  0, PL },
+       { "Wacom ISDv4 90",       8, 26202, 16325,  255,  0, TABLETPC },
+       { "Wacom ISDv4 93",       8, 26202, 16325,  255,  0, TABLETPC },
+       { "Wacom ISDv4 9A",       8, 26202, 16325,  255,  0, TABLETPC },
        { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 31, INTUOS },
        { }
 };
@@ -665,6 +788,7 @@ static struct usb_device_id wacom_ids[] = {
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x16) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x17) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x18) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x19) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x61) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x62) },
@@ -702,19 +826,28 @@ static struct usb_device_id wacom_ids[] = {
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC5) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC6) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC7) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x90) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x93) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x9A) },
        { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
        { }
 };
 
-const struct usb_device_id * get_device_table(void) {
-        const struct usb_device_id * id_table = wacom_ids;
+const struct usb_device_id *get_device_table(void)
+{
+        const struct usb_device_id *id_table = wacom_ids;
+
         return id_table;
 }
 
-struct wacom_features * get_wacom_feature(const struct usb_device_id * id) {
+struct wacom_features * get_wacom_feature(const struct usb_device_id *id)
+{
         int index = id - wacom_ids;
         struct wacom_features *wf = &wacom_features[index];
+
         return wf;
 }