#include <linux/delay.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include "synaptics.h"
#include "logips2pp.h"
#include "alps.h"
+#include "hgpk.h"
#include "lifebook.h"
#include "trackpoint.h"
#include "touchkit_ps2.h"
+#include "elantech.h"
+#include "sentelic.h"
#define DRIVER_DESC "PS/2 mouse driver"
struct psmouse_protocol {
enum psmouse_type type;
+ bool maxproto;
+ bool ignore_parity; /* Protocol should ignore parity errors from KBC */
const char *name;
const char *alias;
- int maxproto;
- int (*detect)(struct psmouse *, int);
+ int (*detect)(struct psmouse *, bool);
int (*init)(struct psmouse *);
};
return PSMOUSE_FULL_PACKET;
}
+void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
+ unsigned long delay)
+{
+ queue_delayed_work(kpsmoused_wq, work, delay);
+}
+
/*
* __psmouse_set_state() sets new psmouse state and resets all flags.
*/
static inline void __psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
{
psmouse->state = new_state;
- psmouse->pktcnt = psmouse->out_of_sync = 0;
+ psmouse->pktcnt = psmouse->out_of_sync_cnt = 0;
psmouse->ps2dev.flags = 0;
psmouse->last = jiffies;
}
* is not a concern.
*/
-static void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
+void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
{
serio_pause_rx(psmouse->ps2dev.serio);
__psmouse_set_state(psmouse, new_state);
if (psmouse->state == PSMOUSE_ACTIVATED) {
printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
psmouse->name, psmouse->phys, psmouse->pktcnt);
- if (++psmouse->out_of_sync == psmouse->resetafter) {
+ if (++psmouse->out_of_sync_cnt == psmouse->resetafter) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
serio_reconnect(psmouse->ps2dev.serio);
case PSMOUSE_FULL_PACKET:
psmouse->pktcnt = 0;
- if (psmouse->out_of_sync) {
- psmouse->out_of_sync = 0;
+ if (psmouse->out_of_sync_cnt) {
+ psmouse->out_of_sync_cnt = 0;
printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
psmouse->name, psmouse->phys);
}
if (psmouse->state == PSMOUSE_IGNORE)
goto out;
- if (flags & (SERIO_PARITY|SERIO_TIMEOUT)) {
+ if (unlikely((flags & SERIO_TIMEOUT) ||
+ ((flags & SERIO_PARITY) && !psmouse->ignore_parity))) {
+
if (psmouse->state == PSMOUSE_ACTIVATED)
printk(KERN_WARNING "psmouse.c: bad data from KBC -%s%s\n",
flags & SERIO_TIMEOUT ? " timeout" : "",
psmouse->name, psmouse->phys, psmouse->pktcnt);
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
- queue_work(kpsmoused_wq, &psmouse->resync_work);
+ psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
goto out;
}
goto out;
}
- if (psmouse->packet[1] == PSMOUSE_RET_ID) {
+ if (psmouse->packet[1] == PSMOUSE_RET_ID ||
+ (psmouse->type == PSMOUSE_HGPK &&
+ psmouse->packet[1] == PSMOUSE_RET_BAT)) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
serio_reconnect(serio);
goto out;
time_after(jiffies, psmouse->last + psmouse->resync_time * HZ)) {
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
- queue_work(kpsmoused_wq, &psmouse->resync_work);
+ psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
goto out;
}
/*
* Genius NetMouse magic init.
*/
-static int genius_detect(struct psmouse *psmouse, int set_properties)
+static int genius_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
return -1;
if (set_properties) {
- set_bit(BTN_EXTRA, psmouse->dev->keybit);
- set_bit(BTN_SIDE, psmouse->dev->keybit);
- set_bit(REL_WHEEL, psmouse->dev->relbit);
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
+ __set_bit(BTN_EXTRA, psmouse->dev->keybit);
+ __set_bit(BTN_SIDE, psmouse->dev->keybit);
+ __set_bit(REL_WHEEL, psmouse->dev->relbit);
psmouse->vendor = "Genius";
psmouse->name = "Mouse";
/*
* IntelliMouse magic init.
*/
-static int intellimouse_detect(struct psmouse *psmouse, int set_properties)
+static int intellimouse_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
return -1;
if (set_properties) {
- set_bit(BTN_MIDDLE, psmouse->dev->keybit);
- set_bit(REL_WHEEL, psmouse->dev->relbit);
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
+ __set_bit(REL_WHEEL, psmouse->dev->relbit);
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Wheel Mouse";
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Wheel Mouse";
psmouse->pktsize = 4;
}
/*
* Try IntelliMouse/Explorer magic init.
*/
-static int im_explorer_detect(struct psmouse *psmouse, int set_properties)
+static int im_explorer_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
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);
-
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Explorer Mouse";
+ __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);
+
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Explorer Mouse";
psmouse->pktsize = 4;
}
/*
* Kensington ThinkingMouse / ExpertMouse magic init.
*/
-static int thinking_detect(struct psmouse *psmouse, int set_properties)
+static int thinking_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
return -1;
if (set_properties) {
- set_bit(BTN_EXTRA, psmouse->dev->keybit);
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
+ __set_bit(BTN_EXTRA, psmouse->dev->keybit);
psmouse->vendor = "Kensington";
psmouse->name = "ThinkingMouse";
/*
* Bare PS/2 protocol "detection". Always succeeds.
*/
-static int ps2bare_detect(struct psmouse *psmouse, int set_properties)
+static int ps2bare_detect(struct psmouse *psmouse, bool set_properties)
{
if (set_properties) {
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Mouse";
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Mouse";
+
+/*
+ * We have no way of figuring true number of buttons so let's
+ * assume that the device has 3.
+ */
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
}
return 0;
* Cortron PS/2 protocol detection. There's no special way to detect it, so it
* must be forced by sysfs protocol writing.
*/
-static int cortron_detect(struct psmouse *psmouse, int set_properties)
+static int cortron_detect(struct psmouse *psmouse, bool set_properties)
{
if (set_properties) {
psmouse->vendor = "Cortron";
psmouse->name = "PS/2 Trackball";
- set_bit(BTN_SIDE, psmouse->dev->keybit);
+
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
+ __set_bit(BTN_SIDE, psmouse->dev->keybit);
}
return 0;
*/
static int psmouse_extensions(struct psmouse *psmouse,
- unsigned int max_proto, int set_properties)
+ unsigned int max_proto, bool set_properties)
{
- int synaptics_hardware = 0;
+ bool synaptics_hardware = false;
/*
* We always check for lifebook because it does not disturb mouse
* can reset it properly after probing for intellimouse.
*/
if (max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse, set_properties) == 0) {
- synaptics_hardware = 1;
+ synaptics_hardware = true;
if (max_proto > PSMOUSE_IMEX) {
- if (!set_properties || synaptics_init(psmouse) == 0)
+/*
+ * Try activating protocol, but check if support is enabled first, since
+ * we try detecting Synaptics even when protocol is disabled.
+ */
+ if (synaptics_supported() &&
+ (!set_properties || synaptics_init(psmouse) == 0)) {
return PSMOUSE_SYNAPTICS;
+ }
+
/*
* Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
* Unfortunately Logitech/Genius probes confuse some firmware versions so
}
}
- if (max_proto > PSMOUSE_IMEX) {
+/*
+ * Try OLPC HGPK touchpad.
+ */
+ if (max_proto > PSMOUSE_IMEX &&
+ hgpk_detect(psmouse, set_properties) == 0) {
+ if (!set_properties || hgpk_init(psmouse) == 0)
+ return PSMOUSE_HGPK;
+/*
+ * Init failed, try basic relative protocols
+ */
+ max_proto = PSMOUSE_IMEX;
+ }
+
+/*
+ * Try Elantech touchpad.
+ */
+ if (max_proto > PSMOUSE_IMEX &&
+ elantech_detect(psmouse, set_properties) == 0) {
+ if (!set_properties || elantech_init(psmouse) == 0)
+ return PSMOUSE_ELANTECH;
+/*
+ * Init failed, try basic relative protocols
+ */
+ max_proto = PSMOUSE_IMEX;
+ }
+
+ if (max_proto > PSMOUSE_IMEX) {
if (genius_detect(psmouse, set_properties) == 0)
return PSMOUSE_GENPS;
}
/*
+ * Try Finger Sensing Pad. We do it here because its probe upsets
+ * Trackpoint devices (causing TP_READ_ID command to time out).
+ */
+ if (max_proto > PSMOUSE_IMEX) {
+ if (fsp_detect(psmouse, set_properties) == 0) {
+ if (!set_properties || fsp_init(psmouse) == 0)
+ return PSMOUSE_FSP;
+/*
+ * Init failed, try basic relative protocols
+ */
+ max_proto = PSMOUSE_IMEX;
+ }
+ }
+
+/*
* Reset to defaults in case the device got confused by extended
* protocol probes. Note that we follow up with full reset because
* some mice put themselves to sleep when they see PSMOUSE_RESET_DIS.
.type = PSMOUSE_PS2,
.name = "PS/2",
.alias = "bare",
- .maxproto = 1,
+ .maxproto = true,
+ .ignore_parity = true,
.detect = ps2bare_detect,
},
#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
.type = PSMOUSE_IMPS,
.name = "ImPS/2",
.alias = "imps",
- .maxproto = 1,
+ .maxproto = true,
+ .ignore_parity = true,
.detect = intellimouse_detect,
},
{
.type = PSMOUSE_IMEX,
.name = "ImExPS/2",
.alias = "exps",
- .maxproto = 1,
+ .maxproto = true,
+ .ignore_parity = true,
.detect = im_explorer_detect,
},
#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
.detect = touchkit_ps2_detect,
},
#endif
+#ifdef CONFIG_MOUSE_PS2_OLPC
+ {
+ .type = PSMOUSE_HGPK,
+ .name = "OLPC HGPK",
+ .alias = "hgpk",
+ .detect = hgpk_detect,
+ },
+#endif
+#ifdef CONFIG_MOUSE_PS2_ELANTECH
+ {
+ .type = PSMOUSE_ELANTECH,
+ .name = "ETPS/2",
+ .alias = "elantech",
+ .detect = elantech_detect,
+ .init = elantech_init,
+ },
+#endif
+#ifdef CONFIG_MOUSE_PS2_SENTELIC
+ {
+ .type = PSMOUSE_FSP,
+ .name = "FSPPS/2",
+ .alias = "fsp",
+ .detect = fsp_detect,
+ .init = fsp_init,
+ },
+#endif
{
.type = PSMOUSE_CORTRON,
.name = "CortronPS/2",
.type = PSMOUSE_AUTO,
.name = "auto",
.alias = "any",
- .maxproto = 1,
+ .maxproto = true,
},
};
static void psmouse_resync(struct work_struct *work)
{
struct psmouse *parent = NULL, *psmouse =
- container_of(work, struct psmouse, resync_work);
+ container_of(work, struct psmouse, resync_work.work);
struct serio *serio = psmouse->ps2dev.serio;
psmouse_ret_t rc = PSMOUSE_GOOD_DATA;
- int failed = 0, enabled = 0;
+ bool failed = false, enabled = false;
int i;
mutex_lock(&psmouse_mutex);
if (ps2_sendbyte(&psmouse->ps2dev, PSMOUSE_CMD_DISABLE, 20)) {
if (psmouse->num_resyncs < 3 || psmouse->acks_disable_command)
- failed = 1;
+ failed = true;
} else
- psmouse->acks_disable_command = 1;
+ psmouse->acks_disable_command = true;
/*
* Poll the mouse. If it was reset the packet will be shorter than
*/
if (!failed) {
if (psmouse->poll(psmouse))
- failed = 1;
+ failed = true;
else {
psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
for (i = 0; i < psmouse->pktsize; i++) {
break;
}
if (rc != PSMOUSE_FULL_PACKET)
- failed = 1;
+ failed = true;
psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
}
}
*/
for (i = 0; i < 5; i++) {
if (!ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE)) {
- enabled = 1;
+ enabled = true;
break;
}
msleep(200);
if (!enabled) {
printk(KERN_WARNING "psmouse.c: failed to re-enable mouse on %s\n",
psmouse->ps2dev.serio->phys);
- failed = 1;
+ failed = true;
}
if (failed) {
psmouse_deactivate(parent);
}
- psmouse_deactivate(psmouse);
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+ /*
+ * Disable stream mode so cleanup routine can proceed undisturbed.
+ */
+ if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+ printk(KERN_WARNING "psmouse.c: Failed to disable mouse on %s\n",
+ psmouse->ps2dev.serio->phys);
if (psmouse->cleanup)
psmouse->cleanup(psmouse);
- psmouse_reset(psmouse);
+/*
+ * Reset the mouse to defaults (bare PS/2 protocol).
+ */
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
/*
* Some boxes, such as HP nx7400, get terribly confused if mouse
mutex_unlock(&psmouse_mutex);
}
-static int psmouse_switch_protocol(struct psmouse *psmouse, const struct psmouse_protocol *proto)
+static int psmouse_switch_protocol(struct psmouse *psmouse,
+ const struct psmouse_protocol *proto)
{
+ const struct psmouse_protocol *selected_proto;
struct input_dev *input_dev = psmouse->dev;
input_dev->dev.parent = &psmouse->ps2dev.serio->dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
- input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+ input_dev->keybit[BIT_WORD(BTN_MOUSE)] =
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
psmouse->set_rate = psmouse_set_rate;
return -1;
psmouse->type = proto->type;
+ selected_proto = proto;
+ } else {
+ psmouse->type = psmouse_extensions(psmouse,
+ psmouse_max_proto, true);
+ selected_proto = psmouse_protocol_by_type(psmouse->type);
}
- else
- psmouse->type = psmouse_extensions(psmouse, psmouse_max_proto, 1);
+
+ psmouse->ignore_parity = selected_proto->ignore_parity;
/*
* If mouse's packet size is 3 there is no point in polling the
psmouse->resync_time = 0;
snprintf(psmouse->devname, sizeof(psmouse->devname), "%s %s %s",
- psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name);
+ selected_proto->name, psmouse->vendor, psmouse->name);
input_dev->name = psmouse->devname;
input_dev->phys = psmouse->phys;
goto err_free;
ps2_init(&psmouse->ps2dev, serio);
- INIT_WORK(&psmouse->resync_work, psmouse_resync);
+ INIT_DELAYED_WORK(&psmouse->resync_work, psmouse_resync);
psmouse->dev = input_dev;
snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys);
err_pt_deactivate:
if (parent && parent->pt_deactivate)
parent->pt_deactivate(parent);
+ input_unregister_device(psmouse->dev);
+ input_dev = NULL; /* so we don't try to free it below */
err_protocol_disconnect:
if (psmouse->disconnect)
psmouse->disconnect(psmouse);
if (psmouse->reconnect(psmouse))
goto out;
} else if (psmouse_probe(psmouse) < 0 ||
- psmouse->type != psmouse_extensions(psmouse, psmouse_max_proto, 0))
+ psmouse->type != psmouse_extensions(psmouse,
+ psmouse_max_proto, false)) {
goto out;
+ }
/* ok, the device type (and capabilities) match the old one,
* we can continue using it, complete intialization
struct serio *serio = to_serio_port(dev);
struct psmouse_attribute *attr = to_psmouse_attr(devattr);
struct psmouse *psmouse;
- int retval;
-
- retval = serio_pin_driver(serio);
- if (retval)
- return retval;
-
- if (serio->drv != &psmouse_drv) {
- retval = -ENODEV;
- goto out;
- }
psmouse = serio_get_drvdata(serio);
- retval = attr->show(psmouse, attr->data, buf);
-
-out:
- serio_unpin_driver(serio);
- return retval;
+ return attr->show(psmouse, attr->data, buf);
}
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *devattr,
struct psmouse *psmouse, *parent = NULL;
int retval;
- retval = serio_pin_driver(serio);
- if (retval)
- return retval;
-
- if (serio->drv != &psmouse_drv) {
- retval = -ENODEV;
- goto out_unpin;
- }
-
retval = mutex_lock_interruptible(&psmouse_mutex);
if (retval)
- goto out_unpin;
+ goto out;
psmouse = serio_get_drvdata(serio);
- if (psmouse->state == PSMOUSE_IGNORE) {
- retval = -ENODEV;
- goto out_unlock;
- }
+ if (attr->protect) {
+ if (psmouse->state == PSMOUSE_IGNORE) {
+ retval = -ENODEV;
+ goto out_unlock;
+ }
- if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
- psmouse_deactivate(parent);
- }
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ psmouse_deactivate(parent);
+ }
- psmouse_deactivate(psmouse);
+ psmouse_deactivate(psmouse);
+ }
retval = attr->set(psmouse, attr->data, buf, count);
- if (retval != -ENODEV)
- psmouse_activate(psmouse);
+ if (attr->protect) {
+ if (retval != -ENODEV)
+ psmouse_activate(psmouse);
- if (parent)
- psmouse_activate(parent);
+ if (parent)
+ psmouse_activate(parent);
+ }
out_unlock:
mutex_unlock(&psmouse_mutex);
- out_unpin:
- serio_unpin_driver(serio);
+ out:
return retval;
}
{
unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
if ((unsigned int)value != value)
while (serio->child) {
if (++retry > 3) {
- printk(KERN_WARNING "psmouse: failed to destroy child port, protocol change aborted.\n");
+ printk(KERN_WARNING
+ "psmouse: failed to destroy child port, "
+ "protocol change aborted.\n");
input_free_device(new_dev);
return -EIO;
}
mutex_unlock(&psmouse_mutex);
- serio_unpin_driver(serio);
serio_unregister_child_port(serio);
- serio_pin_driver_uninterruptible(serio);
mutex_lock(&psmouse_mutex);
if (serio->drv != &psmouse_drv) {
static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
psmouse->set_rate(psmouse, value);
static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
psmouse->set_resolution(psmouse, value);
{
int type = *((unsigned int *)kp->arg);
- return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name);
+ return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name);
}
static int __init psmouse_init(void)
{
int err;
+ lifebook_module_init();
+ synaptics_module_init();
+
kpsmoused_wq = create_singlethread_workqueue("kpsmoused");
if (!kpsmoused_wq) {
printk(KERN_ERR "psmouse: failed to create kpsmoused workqueue\n");