5 files changed, 220 insertions, 42 deletions

diff --git a/CHANGES b/CHANGES
index 0f80cb1..8544468 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,10 @@
+bcm5974 (0.60) unstable; urgency=low
+
+  * New default mouse driver mode
+  * Mouse configuration parameters
+
+ -- Henrik Rydberg <rydberg@euromail.se>  Mon, 01 Sep 2008 18:38:21 +0200
+
 bcm5974 (0.59) unstable; urgency=low
 
   * Cleanup patch from Dmitry Torokhov
diff --git a/bcm5974-dkms-mkdeb/debian/changelog b/bcm5974-dkms-mkdeb/debian/changelog
index 9c8bd7b..aff6ab4 100644
--- a/bcm5974-dkms-mkdeb/debian/changelog
+++ b/bcm5974-dkms-mkdeb/debian/changelog
@@ -1,6 +1,6 @@
 MODULE_NAME-dkms (MODULE_VERSION) unstable; urgency=low
 
-  * Cleanup patch from Dmitry Torokhov
-  * Auto-suspend patch from Dmitry Torokhov
+  * New default mouse driver mode
+  * Mouse configuration parameters
 
  -- Henrik Rydberg <rydberg@euromail.se>  DATE_STAMP
diff --git a/bcm5974.c b/bcm5974.c
index 710d0ac..9aca008 100644
--- a/bcm5974.c
+++ b/bcm5974.c
@@ -63,7 +63,7 @@
 }
 
 /* table of devices that work with this driver */
-static const struct usb_device_id bcm5974_table [] = {
+static const struct usb_device_id bcm5974_table[] = {
         /* MacbookAir1.1 */
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
@@ -84,10 +84,33 @@ MODULE_LICENSE("GPL");
 #define dprintk(level, format, a...)\
         { if (debug >= level) printk(KERN_DEBUG format, ##a); }
 
+#define MODE_MOUSE      1
+#define MODE_TOUCHPAD   2
+
 static int debug = 1;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Activate debugging output");
 
+static int driver_mode = MODE_MOUSE;
+module_param(driver_mode, int, 0644);
+MODULE_PARM_DESC(driver_mode, "Driver mode (1 - mouse; 2 - touchpad)");
+
+static int mouse_motion_damping = 8;
+module_param(mouse_motion_damping, int, 0644);
+MODULE_PARM_DESC(mouse_motion_damping, "Mouse motion damping");
+
+static int mouse_wheel_damping = 256;
+module_param(mouse_wheel_damping, int, 0644);
+MODULE_PARM_DESC(mouse_wheel_damping, "Vertical mouse wheel damping");
+
+static int mouse_hwheel_damping = 256;
+module_param(mouse_hwheel_damping, int, 0644);
+MODULE_PARM_DESC(mouse_hwheel_damping, "Horizontal mouse wheel damping");
+
+static int mouse_button_mode = 2;
+module_param(mouse_button_mode, int, 0644);
+MODULE_PARM_DESC(mouse_button_mode, "Mouse button mode (1 - unix; 2 - macos)");
+
 /* button data structure */
 struct bt_data {
         u8 unknown1;            /* constant */
@@ -146,6 +169,13 @@ struct bcm5974_config {
         struct bcm5974_param y; /* vertical limits */
 };
 
+/* mouse driver state */
+struct bcm5974_mouse_state {
+        int fingers;                    /* number of fingers on trackpad */
+        int wheel;                      /* vertical wheel counter */
+        int hwheel;                     /* horizontal wheel counter */
+};
+
 /* logical device structure */
 struct bcm5974 {
         char phys[64];
@@ -159,6 +189,7 @@ struct bcm5974 {
         struct bt_data *bt_data;        /* button transferred data */
         struct urb *tp_urb;             /* trackpad usb request block */
         struct tp_data *tp_data;        /* trackpad transferred data */
+        struct bcm5974_mouse_state ms;  /* mouse state */
 };
 
 /* logical dimensions */
@@ -229,79 +260,204 @@ static inline int int2bound(const struct bcm5974_param *p, int x)
 {
         int s = int2scale(p, x);
 
-//      return clamp_val(s, 0, p->dim - 1);
-        return s < 0 ? 0 : s >= p->dim ? p->dim - 1 : s;
+//      return clamp_val(s, 0, p->dim - 1);
+        return s < 0 ? 0 : s >= p->dim ? p->dim - 1 : s;
 }
 
 /* setup which logical events to report */
 static void setup_events_to_report(struct input_dev *input_dev,
                                    const struct bcm5974_config *cfg)
 {
-        __set_bit(EV_ABS, input_dev->evbit);
-
-        input_set_abs_params(input_dev, ABS_PRESSURE,
-                                0, cfg->p.dim, cfg->p.fuzz, 0);
-        input_set_abs_params(input_dev, ABS_TOOL_WIDTH,
-                                0, cfg->w.dim, cfg->w.fuzz, 0);
-        input_set_abs_params(input_dev, ABS_X,
-                                0, cfg->x.dim, cfg->x.fuzz, 0);
-        input_set_abs_params(input_dev, ABS_Y,
-                                0, cfg->y.dim, cfg->y.fuzz, 0);
-
         __set_bit(EV_KEY, input_dev->evbit);
-        __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
-        __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
-        __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
         __set_bit(BTN_LEFT, input_dev->keybit);
+
+        switch (driver_mode) {
+        case MODE_MOUSE:
+                __set_bit(EV_REL, input_dev->evbit);
+                __set_bit(REL_X, input_dev->relbit);
+                __set_bit(REL_Y, input_dev->relbit);
+                __set_bit(REL_WHEEL, input_dev->relbit);
+                __set_bit(REL_HWHEEL, input_dev->relbit);
+                __set_bit(BTN_MIDDLE, input_dev->keybit);
+                __set_bit(BTN_RIGHT, input_dev->keybit);
+                break;
+        case MODE_TOUCHPAD:
+                __set_bit(EV_ABS, input_dev->evbit);
+                __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+                __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
+                __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+
+                input_set_abs_params(input_dev, ABS_PRESSURE,
+                                        0, cfg->p.dim, cfg->p.fuzz, 0);
+                input_set_abs_params(input_dev, ABS_TOOL_WIDTH,
+                                        0, cfg->w.dim, cfg->w.fuzz, 0);
+                input_set_abs_params(input_dev, ABS_X,
+                                        0, cfg->x.dim, cfg->x.fuzz, 0);
+                input_set_abs_params(input_dev, ABS_Y,
+                                        0, cfg->y.dim, cfg->y.fuzz, 0);
+                break;
+        }
 }
 
-/* report button data as logical button state */
+/* update logical mouse button state */
+static void update_bt_mouse_state(struct input_dev *dev,
+                                const struct bcm5974_mouse_state *ms,
+                                const struct bt_data *bt)
+{
+        const int n = ms->fingers;
+
+        bool left, middle, right;
+        switch (mouse_button_mode) {
+        case 1:
+                left = n <= 1 && bt->button;
+                middle = n == 2 && bt->button;
+                right = n >= 3 && bt->button;
+                break;
+        case 2:
+                left = n <= 1 && bt->button;
+                middle = n >= 3 && bt->button;
+                right = n == 2 && bt->button;
+                break;
+        default:
+                left = bt->button;
+                middle = false;
+                right = false;
+                break;
+        };
+        input_report_key(dev, BTN_LEFT, left);
+        input_report_key(dev, BTN_MIDDLE, middle);
+        input_report_key(dev, BTN_RIGHT, right);
+}
+
+/* update logical touchpad button state */
+static void update_bt_touchpad_state(struct input_dev *dev,
+                                const struct bt_data *bt)
+{
+        input_report_key(dev, BTN_LEFT, bt->button);
+}
+
+/* report button data as logical mouse/touchpad button state */
 static int report_bt_state(struct bcm5974 *dev, int size)
 {
         if (size != sizeof(struct bt_data))
                 return -EIO;
 
-        input_report_key(dev->input, BTN_LEFT, dev->bt_data->button);
+        switch (driver_mode) {
+        case MODE_MOUSE:
+                update_bt_mouse_state(dev->input, &dev->ms, dev->bt_data);
+                break;
+        case MODE_TOUCHPAD:
+                update_bt_touchpad_state(dev->input, dev->bt_data);
+                break;
+        }
+
         input_sync(dev->input);
 
         return 0;
 }
 
-/* report trackpad data as logical trackpad state */
-static int report_tp_state(struct bcm5974 *dev, int size)
+/* update logical mouse motion state */
+static void update_tp_mouse_state(struct input_dev *dev,
+                                struct bcm5974_mouse_state *ms,
+                                const struct bcm5974_config *c,
+                                const struct tp_finger *f,
+                                int p, int n)
 {
-        const struct bcm5974_config *c = &dev->cfg;
-        const struct tp_finger *f = dev->tp_data->finger;
-        struct input_dev *input = dev->input;
-        const int fingers = (size - 26) / 28;
-        int p = 0, w, x, y, n = 0;
+        int dx = 0, dy = 0, sx = 0, sy = 0, sw = 0, shw = 0;
 
-        if (size < 26 || (size - 26) % 28 != 0)
-                return -EIO;
+        if (f) {
+                dx = raw2int(f->rel_x);
+                dy = raw2int(f->rel_y);
 
-        if (fingers) {
-                p = raw2int(f->force_major);
+                dprintk(9,
+                        "bcm5974: p: %+05d dx: %+05d dy: %+05d n: %d\n",
+                        p, dx, dy, n);
+        }
+
+        if (n >= 3) {
+                /* swipe */
+                ms->wheel = 0;
+                ms->hwheel += int2scale(&c->x, dx);
+                shw = ms->hwheel / mouse_hwheel_damping;
+                ms->hwheel -= shw * mouse_hwheel_damping;
+        } else if (n == 2) {
+                /* scroll */
+                ms->wheel += int2scale(&c->y, dy);
+                ms->hwheel = 0;
+                sw = ms->wheel / mouse_wheel_damping;
+                ms->wheel -= sw * mouse_wheel_damping;
+        } else {
+                /* pointer */
+                ms->wheel = 0;
+                ms->hwheel = 0;
+                sx = int2scale(&c->x, dx) / mouse_motion_damping;
+                sy = int2scale(&c->y, -dy) / mouse_motion_damping;
+        }
+
+        ms->fingers = n;
+
+        input_report_rel(dev, REL_X, sx);
+        input_report_rel(dev, REL_Y, sy);
+        input_report_rel(dev, REL_WHEEL, sw);
+        input_report_rel(dev, REL_HWHEEL, shw);
+}
+
+/* update logical touchpad state */
+static void update_tp_touchpad_state(struct input_dev *dev,
+                                const struct bcm5974_config *c,
+                                const struct tp_finger *f,
+                                int p, int n)
+{
+        int w, x, y;
+
+        if (f) {
                 w = raw2int(f->size_major);
                 x = raw2int(f->abs_x);
                 y = raw2int(f->abs_y);
-                n = p > 0 ? fingers : 0;
 
                 dprintk(9,
                         "bcm5974: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n",
                         p, w, x, y, n);
 
-                input_report_abs(input, ABS_TOOL_WIDTH, int2bound(&c->w, w));
-                input_report_abs(input, ABS_X, int2bound(&c->x, x - c->x.devmin));
-                input_report_abs(input, ABS_Y, int2bound(&c->y, c->y.devmax - y));
+                input_report_abs(dev, ABS_TOOL_WIDTH, int2bound(&c->w, w));
+                input_report_abs(dev, ABS_X, int2bound(&c->x, x - c->x.devmin));
+                input_report_abs(dev, ABS_Y, int2bound(&c->y, c->y.devmax - y));
         }
 
-        input_report_abs(input, ABS_PRESSURE, int2bound(&c->p, p));
+        input_report_abs(dev, ABS_PRESSURE, int2bound(&c->p, p));
+
+        input_report_key(dev, BTN_TOOL_FINGER, n == 1);
+        input_report_key(dev, BTN_TOOL_DOUBLETAP, n == 2);
+        input_report_key(dev, BTN_TOOL_TRIPLETAP, n > 2);
+}
+
+/* report trackpad data as logical mouse/touchpad state */
+static int report_tp_state(struct bcm5974 *dev, int size)
+{
+        const struct bcm5974_config *c = &dev->cfg;
+        const int fingers = (size - 26) / 28;
+        const struct tp_finger *f = 0;
+        int p = 0, n = 0;
+
+        if (size < 26 || (size - 26) % 28 != 0)
+                return -EIO;
+
+        if (fingers) {
+                f = dev->tp_data->finger;
+                p = raw2int(f->force_major);
+                n = p > 0 ? fingers : 0;
+        }
 
-        input_report_key(input, BTN_TOOL_FINGER, n == 1);
-        input_report_key(input, BTN_TOOL_DOUBLETAP, n == 2);
-        input_report_key(input, BTN_TOOL_TRIPLETAP, n > 2);
+        switch (driver_mode) {
+        case MODE_MOUSE:
+                update_tp_mouse_state(dev->input, &dev->ms, c, f, p, n);
+                break;
+        case MODE_TOUCHPAD:
+                update_tp_touchpad_state(dev->input, c, f, p, n);
+                break;
+        }
 
-        input_sync(input);
+        input_sync(dev->input);
 
         return 0;
 }
diff --git a/dkms.conf b/dkms.conf
index 3709c2d..fa3d9e5 100644
--- a/dkms.conf
+++ b/dkms.conf
@@ -1,5 +1,5 @@
 PACKAGE_NAME="bcm5974"
-PACKAGE_VERSION="0.59"
+PACKAGE_VERSION="0.60"
 MAKE[0]="make -C ${kernel_source_dir}
   SUBDIRS=${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build modules"
 BUILT_MODULE_NAME[0]="bcm5974"
diff --git a/etc/modprobe.d/bcm5974 b/etc/modprobe.d/bcm5974
index 81cd5ce..8a0e017 100644
--- a/etc/modprobe.d/bcm5974
+++ b/etc/modprobe.d/bcm5974
@@ -8,3 +8,18 @@
 
 ## Debug level - uncomment this to get raw packets in /var/log/debug
 #options bcm5974 debug=99
+
+## Driver mode: 1 - mouse; 2 - touchpad
+options bcm5974 driver_mode=2
+
+## Mouse motion damping
+#options bcm5974 mouse_motion_damping=8
+
+## Vertical mouse wheel damping
+#options bcm5974 mouse_wheel_damping=256
+
+## Horizontal mouse wheel damping
+#options bcm5974 mouse_hwheel_damping=256
+
+## Mouse button mode: 0 - standard; 1 - unix three-button; 2 - mac three-button
+#options bcm5974 mouse_button_mode=2