X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Finput%2Fmouse%2Fpsmouse-base.c;h=8bc9f51ae6c26668c14353e6bab43145e86aa5a1;hb=dace145374b8e39aeb920304c358ab5e220341ab;hp=ad62174676761e095ba26e232db99e6df843e52d;hpb=d7fc3ca1cd0ecce82263299c6b1631fc83b0ec79;p=powerpc.git diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index ad62174676..8bc9f51ae6 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -20,6 +20,8 @@ #include #include #include +#include + #include "psmouse.h" #include "synaptics.h" #include "logips2pp.h" @@ -98,13 +100,13 @@ __obsolete_setup("psmouse_resetafter="); __obsolete_setup("psmouse_rate="); /* - * psmouse_sem protects all operations changing state of mouse + * psmouse_mutex protects all operations changing state of mouse * (connecting, disconnecting, changing rate or resolution via * sysfs). We could use a per-device semaphore but since there * rarely more than one PS/2 mouse connected and since semaphore * is taken in "slow" paths it is not worth it. */ -static DECLARE_MUTEX(psmouse_sem); +static DEFINE_MUTEX(psmouse_mutex); static struct workqueue_struct *kpsmoused_wq; @@ -148,9 +150,20 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_reg */ if (psmouse->type == PSMOUSE_IMEX) { - input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7)); - input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1); - input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1); + switch (packet[3] & 0xC0) { + case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */ + input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31)); + break; + case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */ + input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31)); + break; + case 0x00: + case 0xC0: + input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7)); + input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1); + input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1); + break; + } } /* @@ -300,8 +313,10 @@ static irqreturn_t psmouse_interrupt(struct serio *serio, * Check if this is a new device announcement (0xAA 0x00) */ if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) { - if (psmouse->pktcnt == 1) + if (psmouse->pktcnt == 1) { + psmouse->last = jiffies; goto out; + } if (psmouse->packet[1] == PSMOUSE_RET_ID) { __psmouse_set_state(psmouse, PSMOUSE_IGNORE); @@ -462,9 +477,25 @@ static int im_explorer_detect(struct psmouse *psmouse, int set_properties) if (param[0] != 4) return -1; +/* Magic to enable horizontal scrolling on IntelliMouse 4.0 */ + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 80; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 40; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 200; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + param[0] = 60; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE); + if (set_properties) { set_bit(BTN_MIDDLE, psmouse->dev->keybit); set_bit(REL_WHEEL, psmouse->dev->relbit); + set_bit(REL_HWHEEL, psmouse->dev->relbit); set_bit(BTN_SIDE, psmouse->dev->keybit); set_bit(BTN_EXTRA, psmouse->dev->keybit); @@ -868,7 +899,7 @@ static void psmouse_resync(void *p) int failed = 0, enabled = 0; int i; - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); if (psmouse->state != PSMOUSE_RESYNCING) goto out; @@ -948,7 +979,7 @@ static void psmouse_resync(void *p) if (parent) psmouse_activate(parent); out: - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); } /* @@ -974,14 +1005,14 @@ static void psmouse_disconnect(struct serio *serio) sysfs_remove_group(&serio->dev.kobj, &psmouse_attribute_group); - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); /* make sure we don't have a resync in progress */ - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); flush_workqueue(kpsmoused_wq); - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { parent = serio_get_drvdata(serio->parent); @@ -1004,7 +1035,7 @@ static void psmouse_disconnect(struct serio *serio) if (parent) psmouse_activate(parent); - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); } static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_protocol *proto) @@ -1053,8 +1084,8 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_proto if (psmouse->resync_time && psmouse->poll(psmouse)) psmouse->resync_time = 0; - sprintf(psmouse->devname, "%s %s %s", - psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name); + snprintf(psmouse->devname, sizeof(psmouse->devname), "%s %s %s", + psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name); input_dev->name = psmouse->devname; input_dev->phys = psmouse->phys; @@ -1076,7 +1107,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) struct input_dev *input_dev; int retval = -ENOMEM; - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); /* * If this is a pass-through port deactivate parent so the device @@ -1095,7 +1126,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) ps2_init(&psmouse->ps2dev, serio); INIT_WORK(&psmouse->resync_work, psmouse_resync, psmouse); psmouse->dev = input_dev; - sprintf(psmouse->phys, "%s/input0", serio->phys); + snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys); psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); @@ -1144,7 +1175,7 @@ out: if (parent) psmouse_activate(parent); - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); return retval; } @@ -1161,7 +1192,7 @@ static int psmouse_reconnect(struct serio *serio) return -1; } - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { parent = serio_get_drvdata(serio->parent); @@ -1195,7 +1226,7 @@ out: if (parent) psmouse_activate(parent); - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); return rc; } @@ -1273,7 +1304,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev goto out_unpin; } - retval = down_interruptible(&psmouse_sem); + retval = mutex_lock_interruptible(&psmouse_mutex); if (retval) goto out_unpin; @@ -1281,7 +1312,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev if (psmouse->state == PSMOUSE_IGNORE) { retval = -ENODEV; - goto out_up; + goto out_unlock; } if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { @@ -1299,8 +1330,8 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev if (parent) psmouse_activate(parent); - out_up: - up(&psmouse_sem); + out_unlock: + mutex_unlock(&psmouse_mutex); out_unpin: serio_unpin_driver(serio); return retval; @@ -1357,11 +1388,11 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co return -EIO; } - up(&psmouse_sem); + mutex_unlock(&psmouse_mutex); serio_unpin_driver(serio); serio_unregister_child_port(serio); serio_pin_driver_uninterruptible(serio); - down(&psmouse_sem); + mutex_lock(&psmouse_mutex); if (serio->drv != &psmouse_drv) { input_free_device(new_dev);