Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / input / mouse / alps.c
index 7bf4be7..a0e2e79 100644 (file)
@@ -2,7 +2,7 @@
  * ALPS touchpad PS/2 mouse driver
  *
  * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au>
- * Copyright (c) 2003 Peter Osterlund <petero2@telia.com>
+ * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com>
  * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru>
  * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
  *
 
 #define ALPS_DUALPOINT 0x01
 #define ALPS_WHEEL     0x02
-#define ALPS_FW_BK     0x04
+#define ALPS_FW_BK_1   0x04
 #define ALPS_4BTN      0x08
 #define ALPS_OLDPROTO  0x10
 #define ALPS_PASS      0x20
+#define ALPS_FW_BK_2   0x40
 
 static struct alps_model_info alps_model_data[] = {
        { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO },            /* UMAX-530T */
        { { 0x53, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
        { { 0x53, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
+       { { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 },                        /* HP ze1115 */
        { { 0x63, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
        { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
-       { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, 0 },
+       { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, ALPS_FW_BK_2 },             /* Fujitsu Siemens S6010 */
        { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL },               /* Toshiba Satellite S2400-103 */
-       { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK },               /* NEC Versa L320 */
+       { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 },             /* NEC Versa L320 */
        { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 },
        { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS },                /* Dell Latitude D800 */
        { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
-       { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
+       { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 },             /* Ahtec Laptop */
        { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
        { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
        { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
@@ -61,11 +63,11 @@ static struct alps_model_info alps_model_data[] = {
 
 /*
  * ALPS abolute Mode - new format
- * 
- * byte 0:  1    ?    ?    ?    1    ?    ?    ? 
+ *
+ * byte 0:  1    ?    ?    ?    1    ?    ?    ?
  * byte 1:  0   x6   x5   x4   x3   x2   x1   x0
  * byte 2:  0   x10  x9   x8   x7    ?  fin  ges
- * byte 3:  0   y9   y8   y7    1    M    R    L 
+ * byte 3:  0   y9   y8   y7    1    M    R    L
  * byte 4:  0   y6   y5   y4   y3   y2   y1   y0
  * byte 5:  0   z6   z5   z4   z3   z2   z1   z0
  *
@@ -78,14 +80,15 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
 {
        struct alps_data *priv = psmouse->private;
        unsigned char *packet = psmouse->packet;
-       struct input_dev *dev = &psmouse->dev;
-       struct input_dev *dev2 = &priv->dev2;
+       struct input_dev *dev = psmouse->dev;
+       struct input_dev *dev2 = priv->dev2;
        int x, y, z, ges, fin, left, right, middle;
+       int back = 0, forward = 0;
 
        input_regs(dev, regs);
 
        if ((packet[0] & 0xc8) == 0x08) {   /* 3-byte PS/2 packet */
-               input_report_key(dev2, BTN_LEFT,   packet[0] & 1);    
+               input_report_key(dev2, BTN_LEFT,   packet[0] & 1);
                input_report_key(dev2, BTN_RIGHT,  packet[0] & 2);
                input_report_key(dev2, BTN_MIDDLE, packet[0] & 4);
                input_report_rel(dev2, REL_X,
@@ -97,8 +100,8 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
        }
 
        if (priv->i->flags & ALPS_OLDPROTO) {
-               left = packet[2] & 0x08;
-               right = packet[2] & 0x10;
+               left = packet[2] & 0x10;
+               right = packet[2] & 0x08;
                middle = 0;
                x = packet[1] | ((packet[0] & 0x07) << 7);
                y = packet[4] | ((packet[3] & 0x07) << 7);
@@ -112,6 +115,18 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
                z = packet[5];
        }
 
+       if (priv->i->flags & ALPS_FW_BK_1) {
+               back = packet[2] & 4;
+               forward = packet[0] & 0x10;
+       }
+
+       if (priv->i->flags & ALPS_FW_BK_2) {
+               back = packet[3] & 4;
+               forward = packet[2] & 4;
+               if ((middle = forward && back))
+                       forward = back = 0;
+       }
+
        ges = packet[2] & 1;
        fin = packet[2] & 2;
 
@@ -155,13 +170,12 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
        input_report_abs(dev, ABS_PRESSURE, z);
        input_report_key(dev, BTN_TOOL_FINGER, z > 0);
 
-
        if (priv->i->flags & ALPS_WHEEL)
-               input_report_rel(dev, REL_WHEEL, ((packet[0] >> 4) & 0x07) | ((packet[2] >> 2) & 0x08));
+               input_report_rel(dev, REL_WHEEL, ((packet[2] << 1) & 0x08) - ((packet[0] >> 4) & 0x07));
 
-       if (priv->i->flags & ALPS_FW_BK) {
-               input_report_key(dev, BTN_FORWARD, packet[0] & 0x10);
-               input_report_key(dev, BTN_BACK, packet[2] & 0x04);
+       if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+               input_report_key(dev, BTN_FORWARD, forward);
+               input_report_key(dev, BTN_BACK, back);
        }
 
        input_sync(dev);
@@ -257,7 +271,6 @@ static struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *vers
 static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
 {
        struct ps2dev *ps2dev = &psmouse->ps2dev;
-       unsigned char param[3];
        int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11;
 
        if (ps2_command(ps2dev, NULL, cmd) ||
@@ -267,7 +280,7 @@ static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
                return -1;
 
        /* we may get 3 more bytes, just ignore them */
-       ps2_command(ps2dev, param, 0x0300);
+       ps2_drain(ps2dev, 3, 100);
 
        return 0;
 }
@@ -335,10 +348,43 @@ static int alps_tap_mode(struct psmouse *psmouse, int enable)
        return 0;
 }
 
+/*
+ * alps_poll() - poll the touchpad for current motion packet.
+ * Used in resync.
+ */
+static int alps_poll(struct psmouse *psmouse)
+{
+       struct alps_data *priv = psmouse->private;
+       unsigned char buf[6];
+       int poll_failed;
+
+       if (priv->i->flags & ALPS_PASS)
+               alps_passthrough_mode(psmouse, 1);
+
+       poll_failed = ps2_command(&psmouse->ps2dev, buf,
+                                 PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0;
+
+       if (priv->i->flags & ALPS_PASS)
+               alps_passthrough_mode(psmouse, 0);
+
+       if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0)
+               return -1;
+
+       if ((psmouse->badbyte & 0xc8) == 0x08) {
+/*
+ * Poll the track stick ...
+ */
+               if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8)))
+                       return -1;
+       }
+
+       memcpy(psmouse->packet, buf, sizeof(buf));
+       return 0;
+}
+
 static int alps_reconnect(struct psmouse *psmouse)
 {
        struct alps_data *priv = psmouse->private;
-       unsigned char param[4];
        int version;
 
        psmouse_reset(psmouse);
@@ -346,21 +392,20 @@ static int alps_reconnect(struct psmouse *psmouse)
        if (!(priv->i = alps_get_model(psmouse, &version)))
                return -1;
 
-       if (priv->i->flags & ALPS_PASS && alps_passthrough_mode(psmouse, 1))
+       if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1))
                return -1;
 
-       if (alps_get_status(psmouse, param))
+       if (alps_tap_mode(psmouse, 1)) {
+               printk(KERN_WARNING "alps.c: Failed to reenable hardware tapping\n");
                return -1;
-
-       if (!(param[0] & 0x04))
-               alps_tap_mode(psmouse, 1);
+       }
 
        if (alps_absolute_mode(psmouse)) {
-               printk(KERN_ERR "alps.c: Failed to enable absolute mode\n");
+               printk(KERN_ERR "alps.c: Failed to reenable absolute mode\n");
                return -1;
        }
 
-       if (priv->i->flags == ALPS_PASS && alps_passthrough_mode(psmouse, 0))
+       if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0))
                return -1;
 
        return 0;
@@ -369,21 +414,24 @@ static int alps_reconnect(struct psmouse *psmouse)
 static void alps_disconnect(struct psmouse *psmouse)
 {
        struct alps_data *priv = psmouse->private;
+
        psmouse_reset(psmouse);
-       input_unregister_device(&priv->dev2);
+       input_unregister_device(priv->dev2);
        kfree(priv);
 }
 
 int alps_init(struct psmouse *psmouse)
 {
        struct alps_data *priv;
-       unsigned char param[4];
+       struct input_dev *dev1 = psmouse->dev, *dev2;
        int version;
 
-       psmouse->private = priv = kmalloc(sizeof(struct alps_data), GFP_KERNEL);
-       if (!priv)
+       psmouse->private = priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
+       dev2 = input_allocate_device();
+       if (!priv || !dev2)
                goto init_fail;
-       memset(priv, 0, sizeof(struct alps_data));
+
+       priv->dev2 = dev2;
 
        if (!(priv->i = alps_get_model(psmouse, &version)))
                goto init_fail;
@@ -391,16 +439,8 @@ int alps_init(struct psmouse *psmouse)
        if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1))
                goto init_fail;
 
-       if (alps_get_status(psmouse, param)) {
-               printk(KERN_ERR "alps.c: touchpad status report request failed\n");
-               goto init_fail;
-       }
-
-       if (param[0] & 0x04) {
-               printk(KERN_INFO "alps.c: Enabling hardware tapping\n");
-               if (alps_tap_mode(psmouse, 1))
-                       printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n");
-       }
+       if (alps_tap_mode(psmouse, 1))
+               printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n");
 
        if (alps_absolute_mode(psmouse)) {
                printk(KERN_ERR "alps.c: Failed to enable absolute mode\n");
@@ -410,50 +450,53 @@ int alps_init(struct psmouse *psmouse)
        if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0))
                goto init_fail;
 
-       psmouse->dev.evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
-       psmouse->dev.keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
-       psmouse->dev.keybit[LONG(BTN_TOOL_FINGER)] |= BIT(BTN_TOOL_FINGER);
-       psmouse->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+       dev1->evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
+       dev1->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
+       dev1->keybit[LONG(BTN_TOOL_FINGER)] |= BIT(BTN_TOOL_FINGER);
+       dev1->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
 
-       psmouse->dev.evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
-       input_set_abs_params(&psmouse->dev, ABS_X, 0, 1023, 0, 0);
-       input_set_abs_params(&psmouse->dev, ABS_Y, 0, 767, 0, 0);
-       input_set_abs_params(&psmouse->dev, ABS_PRESSURE, 0, 127, 0, 0);
+       dev1->evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
+       input_set_abs_params(dev1, ABS_X, 0, 1023, 0, 0);
+       input_set_abs_params(dev1, ABS_Y, 0, 767, 0, 0);
+       input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
 
        if (priv->i->flags & ALPS_WHEEL) {
-               psmouse->dev.evbit[LONG(EV_REL)] |= BIT(EV_REL);
-               psmouse->dev.relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL);
+               dev1->evbit[LONG(EV_REL)] |= BIT(EV_REL);
+               dev1->relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL);
        }
 
-       if (priv->i->flags & ALPS_FW_BK) {
-               psmouse->dev.keybit[LONG(BTN_FORWARD)] |= BIT(BTN_FORWARD);
-               psmouse->dev.keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK);
+       if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+               dev1->keybit[LONG(BTN_FORWARD)] |= BIT(BTN_FORWARD);
+               dev1->keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK);
        }
 
        sprintf(priv->phys, "%s/input1", psmouse->ps2dev.serio->phys);
-       priv->dev2.phys = priv->phys;
-       priv->dev2.name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
-       priv->dev2.id.bustype = BUS_I8042;
-       priv->dev2.id.vendor = 0x0002;
-       priv->dev2.id.product = PSMOUSE_ALPS;
-       priv->dev2.id.version = 0x0000; 
-       
-       priv->dev2.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
-       priv->dev2.relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y);
-       priv->dev2.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+       dev2->phys = priv->phys;
+       dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
+       dev2->id.bustype = BUS_I8042;
+       dev2->id.vendor  = 0x0002;
+       dev2->id.product = PSMOUSE_ALPS;
+       dev2->id.version = 0x0000;
 
-       input_register_device(&priv->dev2);
+       dev2->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+       dev2->relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y);
+       dev2->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
 
-       printk(KERN_INFO "input: %s on %s\n", priv->dev2.name, psmouse->ps2dev.serio->phys);
+       input_register_device(priv->dev2);
 
        psmouse->protocol_handler = alps_process_byte;
+       psmouse->poll = alps_poll;
        psmouse->disconnect = alps_disconnect;
        psmouse->reconnect = alps_reconnect;
        psmouse->pktsize = 6;
 
+       /* We are having trouble resyncing ALPS touchpads so disable it for now */
+       psmouse->resync_time = 0;
+
        return 0;
 
 init_fail:
+       input_free_device(dev2);
        kfree(priv);
        return -1;
 }
@@ -461,17 +504,15 @@ init_fail:
 int alps_detect(struct psmouse *psmouse, int set_properties)
 {
        int version;
-       struct alps_model_info *model; 
+       struct alps_model_info *model;
 
        if (!(model = alps_get_model(psmouse, &version)))
                return -1;
 
        if (set_properties) {
                psmouse->vendor = "ALPS";
-               if (model->flags & ALPS_DUALPOINT) 
-                       psmouse->name = "DualPoint TouchPad";
-               else
-                       psmouse->name = "GlidePoint";
+               psmouse->name = model->flags & ALPS_DUALPOINT ?
+                               "DualPoint TouchPad" : "GlidePoint";
                psmouse->model = version;
        }
        return 0;