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-rw-r--r--drivers/input/mouse/alps.c23
-rw-r--r--drivers/input/mouse/alps.h10
-rw-r--r--drivers/input/mouse/elantech.c2
-rw-r--r--drivers/input/mouse/synaptics.c1
-rw-r--r--drivers/input/mouse/trackpoint.c245
-rw-r--r--drivers/input/mouse/trackpoint.h34
6 files changed, 193 insertions, 122 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 579b899add26..dbe57da8c1a1 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1250,29 +1250,32 @@ static int alps_decode_ss4_v2(struct alps_fields *f,
case SS4_PACKET_ID_MULTI:
if (priv->flags & ALPS_BUTTONPAD) {
if (IS_SS4PLUS_DEV(priv->dev_id)) {
- f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
- f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
+ f->mt[2].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
+ f->mt[3].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
+ no_data_x = SS4_PLUS_MFPACKET_NO_AX_BL;
} else {
f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
+ no_data_x = SS4_MFPACKET_NO_AX_BL;
}
+ no_data_y = SS4_MFPACKET_NO_AY_BL;
f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0);
f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1);
- no_data_x = SS4_MFPACKET_NO_AX_BL;
- no_data_y = SS4_MFPACKET_NO_AY_BL;
} else {
if (IS_SS4PLUS_DEV(priv->dev_id)) {
- f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
- f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
+ f->mt[2].x = SS4_PLUS_STD_MF_X_V2(p, 0);
+ f->mt[3].x = SS4_PLUS_STD_MF_X_V2(p, 1);
+ no_data_x = SS4_PLUS_MFPACKET_NO_AX;
} else {
- f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
- f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
+ f->mt[2].x = SS4_STD_MF_X_V2(p, 0);
+ f->mt[3].x = SS4_STD_MF_X_V2(p, 1);
+ no_data_x = SS4_MFPACKET_NO_AX;
}
+ no_data_y = SS4_MFPACKET_NO_AY;
+
f->mt[2].y = SS4_STD_MF_Y_V2(p, 0);
f->mt[3].y = SS4_STD_MF_Y_V2(p, 1);
- no_data_x = SS4_MFPACKET_NO_AX;
- no_data_y = SS4_MFPACKET_NO_AY;
}
f->first_mp = 0;
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index c80a7c76cb76..79b6d69d1486 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -141,10 +141,12 @@ enum SS4_PACKET_ID {
#define SS4_TS_Z_V2(_b) (s8)(_b[4] & 0x7F)
-#define SS4_MFPACKET_NO_AX 8160 /* X-Coordinate value */
-#define SS4_MFPACKET_NO_AY 4080 /* Y-Coordinate value */
-#define SS4_MFPACKET_NO_AX_BL 8176 /* Buttonless X-Coordinate value */
-#define SS4_MFPACKET_NO_AY_BL 4088 /* Buttonless Y-Coordinate value */
+#define SS4_MFPACKET_NO_AX 8160 /* X-Coordinate value */
+#define SS4_MFPACKET_NO_AY 4080 /* Y-Coordinate value */
+#define SS4_MFPACKET_NO_AX_BL 8176 /* Buttonless X-Coord value */
+#define SS4_MFPACKET_NO_AY_BL 4088 /* Buttonless Y-Coord value */
+#define SS4_PLUS_MFPACKET_NO_AX 4080 /* SS4 PLUS, X */
+#define SS4_PLUS_MFPACKET_NO_AX_BL 4088 /* Buttonless SS4 PLUS, X */
/*
* enum V7_PACKET_ID - defines the packet type for V7
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index b84cd978fce2..a4aaa748e987 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index ee5466a374bf..cd9f61cb3fc6 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -173,6 +173,7 @@ static const char * const smbus_pnp_ids[] = {
"LEN0046", /* X250 */
"LEN004a", /* W541 */
"LEN200f", /* T450s */
+ "LEN2018", /* T460p */
NULL
};
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 0871010f18d5..bbd29220dbe9 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -19,6 +19,13 @@
#include "psmouse.h"
#include "trackpoint.h"
+static const char * const trackpoint_variants[] = {
+ [TP_VARIANT_IBM] = "IBM",
+ [TP_VARIANT_ALPS] = "ALPS",
+ [TP_VARIANT_ELAN] = "Elan",
+ [TP_VARIANT_NXP] = "NXP",
+};
+
/*
* Power-on Reset: Resets all trackpoint parameters, including RAM values,
* to defaults.
@@ -26,7 +33,7 @@
*/
static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
{
- unsigned char results[2];
+ u8 results[2];
int tries = 0;
/* Issue POR command, and repeat up to once if 0xFC00 received */
@@ -38,7 +45,7 @@ static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
/* Check for success response -- 0xAA00 */
if (results[0] != 0xAA || results[1] != 0x00)
- return -1;
+ return -ENODEV;
return 0;
}
@@ -46,8 +53,7 @@ static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
/*
* Device IO: read, write and toggle bit
*/
-static int trackpoint_read(struct ps2dev *ps2dev,
- unsigned char loc, unsigned char *results)
+static int trackpoint_read(struct ps2dev *ps2dev, u8 loc, u8 *results)
{
if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
ps2_command(ps2dev, results, MAKE_PS2_CMD(0, 1, loc))) {
@@ -57,8 +63,7 @@ static int trackpoint_read(struct ps2dev *ps2dev,
return 0;
}
-static int trackpoint_write(struct ps2dev *ps2dev,
- unsigned char loc, unsigned char val)
+static int trackpoint_write(struct ps2dev *ps2dev, u8 loc, u8 val)
{
if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_WRITE_MEM)) ||
@@ -70,8 +75,7 @@ static int trackpoint_write(struct ps2dev *ps2dev,
return 0;
}
-static int trackpoint_toggle_bit(struct ps2dev *ps2dev,
- unsigned char loc, unsigned char mask)
+static int trackpoint_toggle_bit(struct ps2dev *ps2dev, u8 loc, u8 mask)
{
/* Bad things will happen if the loc param isn't in this range */
if (loc < 0x20 || loc >= 0x2F)
@@ -87,11 +91,11 @@ static int trackpoint_toggle_bit(struct ps2dev *ps2dev,
return 0;
}
-static int trackpoint_update_bit(struct ps2dev *ps2dev, unsigned char loc,
- unsigned char mask, unsigned char value)
+static int trackpoint_update_bit(struct ps2dev *ps2dev,
+ u8 loc, u8 mask, u8 value)
{
int retval = 0;
- unsigned char data;
+ u8 data;
trackpoint_read(ps2dev, loc, &data);
if (((data & mask) == mask) != !!value)
@@ -105,17 +109,18 @@ static int trackpoint_update_bit(struct ps2dev *ps2dev, unsigned char loc,
*/
struct trackpoint_attr_data {
size_t field_offset;
- unsigned char command;
- unsigned char mask;
- unsigned char inverted;
- unsigned char power_on_default;
+ u8 command;
+ u8 mask;
+ bool inverted;
+ u8 power_on_default;
};
-static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
+static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse,
+ void *data, char *buf)
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
- unsigned char value = *(unsigned char *)((char *)tp + attr->field_offset);
+ u8 value = *(u8 *)((void *)tp + attr->field_offset);
if (attr->inverted)
value = !value;
@@ -128,8 +133,8 @@ static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
- unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
- unsigned char value;
+ u8 *field = (void *)tp + attr->field_offset;
+ u8 value;
int err;
err = kstrtou8(buf, 10, &value);
@@ -157,17 +162,14 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
- unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
- unsigned int value;
+ bool *field = (void *)tp + attr->field_offset;
+ bool value;
int err;
- err = kstrtouint(buf, 10, &value);
+ err = kstrtobool(buf, &value);
if (err)
return err;
- if (value > 1)
- return -EINVAL;
-
if (attr->inverted)
value = !value;
@@ -193,30 +195,6 @@ PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
&trackpoint_attr_##_name, \
trackpoint_show_int_attr, trackpoint_set_bit_attr)
-#define TRACKPOINT_UPDATE_BIT(_psmouse, _tp, _name) \
-do { \
- struct trackpoint_attr_data *_attr = &trackpoint_attr_##_name; \
- \
- trackpoint_update_bit(&_psmouse->ps2dev, \
- _attr->command, _attr->mask, _tp->_name); \
-} while (0)
-
-#define TRACKPOINT_UPDATE(_power_on, _psmouse, _tp, _name) \
-do { \
- if (!_power_on || \
- _tp->_name != trackpoint_attr_##_name.power_on_default) { \
- if (!trackpoint_attr_##_name.mask) \
- trackpoint_write(&_psmouse->ps2dev, \
- trackpoint_attr_##_name.command, \
- _tp->_name); \
- else \
- TRACKPOINT_UPDATE_BIT(_psmouse, _tp, _name); \
- } \
-} while (0)
-
-#define TRACKPOINT_SET_POWER_ON_DEFAULT(_tp, _name) \
- (_tp->_name = trackpoint_attr_##_name.power_on_default)
-
TRACKPOINT_INT_ATTR(sensitivity, TP_SENS, TP_DEF_SENS);
TRACKPOINT_INT_ATTR(speed, TP_SPEED, TP_DEF_SPEED);
TRACKPOINT_INT_ATTR(inertia, TP_INERTIA, TP_DEF_INERTIA);
@@ -229,13 +207,33 @@ TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME, TP_DEF_Z_TIME);
TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV, TP_DEF_JENKS_CURV);
TRACKPOINT_INT_ATTR(drift_time, TP_DRIFT_TIME, TP_DEF_DRIFT_TIME);
-TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0,
+TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, false,
TP_DEF_PTSON);
-TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, 0,
+TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, false,
TP_DEF_SKIPBACK);
-TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, 1,
+TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, true,
TP_DEF_EXT_DEV);
+static bool trackpoint_is_attr_available(struct psmouse *psmouse,
+ struct attribute *attr)
+{
+ struct trackpoint_data *tp = psmouse->private;
+
+ return tp->variant_id == TP_VARIANT_IBM ||
+ attr == &psmouse_attr_sensitivity.dattr.attr ||
+ attr == &psmouse_attr_press_to_select.dattr.attr;
+}
+
+static umode_t trackpoint_is_attr_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct serio *serio = to_serio_port(dev);
+ struct psmouse *psmouse = serio_get_drvdata(serio);
+
+ return trackpoint_is_attr_available(psmouse, attr) ? attr->mode : 0;
+}
+
static struct attribute *trackpoint_attrs[] = {
&psmouse_attr_sensitivity.dattr.attr,
&psmouse_attr_speed.dattr.attr,
@@ -255,24 +253,56 @@ static struct attribute *trackpoint_attrs[] = {
};
static struct attribute_group trackpoint_attr_group = {
- .attrs = trackpoint_attrs,
+ .is_visible = trackpoint_is_attr_visible,
+ .attrs = trackpoint_attrs,
};
-static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *firmware_id)
-{
- unsigned char param[2] = { 0 };
+#define TRACKPOINT_UPDATE(_power_on, _psmouse, _tp, _name) \
+do { \
+ struct trackpoint_attr_data *_attr = &trackpoint_attr_##_name; \
+ \
+ if ((!_power_on || _tp->_name != _attr->power_on_default) && \
+ trackpoint_is_attr_available(_psmouse, \
+ &psmouse_attr_##_name.dattr.attr)) { \
+ if (!_attr->mask) \
+ trackpoint_write(&_psmouse->ps2dev, \
+ _attr->command, _tp->_name); \
+ else \
+ trackpoint_update_bit(&_psmouse->ps2dev, \
+ _attr->command, _attr->mask, \
+ _tp->_name); \
+ } \
+} while (0)
- if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
- return -1;
+#define TRACKPOINT_SET_POWER_ON_DEFAULT(_tp, _name) \
+do { \
+ _tp->_name = trackpoint_attr_##_name.power_on_default; \
+} while (0)
- /* add new TP ID. */
- if (!(param[0] & TP_MAGIC_IDENT))
- return -1;
+static int trackpoint_start_protocol(struct psmouse *psmouse,
+ u8 *variant_id, u8 *firmware_id)
+{
+ u8 param[2] = { 0 };
+ int error;
- if (firmware_id)
- *firmware_id = param[1];
+ error = ps2_command(&psmouse->ps2dev,
+ param, MAKE_PS2_CMD(0, 2, TP_READ_ID));
+ if (error)
+ return error;
+
+ switch (param[0]) {
+ case TP_VARIANT_IBM:
+ case TP_VARIANT_ALPS:
+ case TP_VARIANT_ELAN:
+ case TP_VARIANT_NXP:
+ if (variant_id)
+ *variant_id = param[0];
+ if (firmware_id)
+ *firmware_id = param[1];
+ return 0;
+ }
- return 0;
+ return -ENODEV;
}
/*
@@ -285,7 +315,7 @@ static int trackpoint_sync(struct psmouse *psmouse, bool in_power_on_state)
{
struct trackpoint_data *tp = psmouse->private;
- if (!in_power_on_state) {
+ if (!in_power_on_state && tp->variant_id == TP_VARIANT_IBM) {
/*
* Disable features that may make device unusable
* with this driver.
@@ -347,7 +377,8 @@ static void trackpoint_defaults(struct trackpoint_data *tp)
static void trackpoint_disconnect(struct psmouse *psmouse)
{
- sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, &trackpoint_attr_group);
+ device_remove_group(&psmouse->ps2dev.serio->dev,
+ &trackpoint_attr_group);
kfree(psmouse->private);
psmouse->private = NULL;
@@ -355,14 +386,20 @@ static void trackpoint_disconnect(struct psmouse *psmouse)
static int trackpoint_reconnect(struct psmouse *psmouse)
{
- int reset_fail;
+ struct trackpoint_data *tp = psmouse->private;
+ int error;
+ bool was_reset;
- if (trackpoint_start_protocol(psmouse, NULL))
- return -1;
+ error = trackpoint_start_protocol(psmouse, NULL, NULL);
+ if (error)
+ return error;
- reset_fail = trackpoint_power_on_reset(&psmouse->ps2dev);
- if (trackpoint_sync(psmouse, !reset_fail))
- return -1;
+ was_reset = tp->variant_id == TP_VARIANT_IBM &&
+ trackpoint_power_on_reset(&psmouse->ps2dev) == 0;
+
+ error = trackpoint_sync(psmouse, was_reset);
+ if (error)
+ return error;
return 0;
}
@@ -370,46 +407,66 @@ static int trackpoint_reconnect(struct psmouse *psmouse)
int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
- unsigned char firmware_id;
- unsigned char button_info;
+ struct trackpoint_data *tp;
+ u8 variant_id;
+ u8 firmware_id;
+ u8 button_info;
int error;
- if (trackpoint_start_protocol(psmouse, &firmware_id))
- return -1;
+ error = trackpoint_start_protocol(psmouse, &variant_id, &firmware_id);
+ if (error)
+ return error;
if (!set_properties)
return 0;
- if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) {
- psmouse_warn(psmouse, "failed to get extended button data, assuming 3 buttons\n");
- button_info = 0x33;
- }
-
- psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
- if (!psmouse->private)
+ tp = kzalloc(sizeof(*tp), GFP_KERNEL);
+ if (!tp)
return -ENOMEM;
- psmouse->vendor = "IBM";
+ trackpoint_defaults(tp);
+ tp->variant_id = variant_id;
+ tp->firmware_id = firmware_id;
+
+ psmouse->private = tp;
+
+ psmouse->vendor = trackpoint_variants[variant_id];
psmouse->name = "TrackPoint";
psmouse->reconnect = trackpoint_reconnect;
psmouse->disconnect = trackpoint_disconnect;
+ if (variant_id != TP_VARIANT_IBM) {
+ /* Newer variants do not support extended button query. */
+ button_info = 0x33;
+ } else {
+ error = trackpoint_read(ps2dev, TP_EXT_BTN, &button_info);
+ if (error) {
+ psmouse_warn(psmouse,
+ "failed to get extended button data, assuming 3 buttons\n");
+ button_info = 0x33;
+ } else if (!button_info) {
+ psmouse_warn(psmouse,
+ "got 0 in extended button data, assuming 3 buttons\n");
+ button_info = 0x33;
+ }
+ }
+
if ((button_info & 0x0f) >= 3)
- __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
+ input_set_capability(psmouse->dev, EV_KEY, BTN_MIDDLE);
__set_bit(INPUT_PROP_POINTER, psmouse->dev->propbit);
__set_bit(INPUT_PROP_POINTING_STICK, psmouse->dev->propbit);
- trackpoint_defaults(psmouse->private);
-
- error = trackpoint_power_on_reset(ps2dev);
-
- /* Write defaults to TP only if reset fails. */
- if (error)
+ if (variant_id != TP_VARIANT_IBM ||
+ trackpoint_power_on_reset(ps2dev) != 0) {
+ /*
+ * Write defaults to TP if we did not reset the trackpoint.
+ */
trackpoint_sync(psmouse, false);
+ }
- error = sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group);
+ error = device_add_group(&ps2dev->serio->dev, &trackpoint_attr_group);
if (error) {
psmouse_err(psmouse,
"failed to create sysfs attributes, error: %d\n",
@@ -420,8 +477,8 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
}
psmouse_info(psmouse,
- "IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
- firmware_id,
+ "%s TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
+ psmouse->vendor, firmware_id,
(button_info & 0xf0) >> 4, button_info & 0x0f);
return 0;
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 88055755f82e..10a039148234 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -21,10 +21,16 @@
#define TP_COMMAND 0xE2 /* Commands start with this */
#define TP_READ_ID 0xE1 /* Sent for device identification */
-#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */
- /* by the firmware ID */
- /* Firmware ID includes 0x1, 0x2, 0x3 */
+/*
+ * Valid first byte responses to the "Read Secondary ID" (0xE1) command.
+ * 0x01 was the original IBM trackpoint, others implement very limited
+ * subset of trackpoint features.
+ */
+#define TP_VARIANT_IBM 0x01
+#define TP_VARIANT_ALPS 0x02
+#define TP_VARIANT_ELAN 0x03
+#define TP_VARIANT_NXP 0x04
/*
* Commands
@@ -136,18 +142,20 @@
#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))
-struct trackpoint_data
-{
- unsigned char sensitivity, speed, inertia, reach;
- unsigned char draghys, mindrag;
- unsigned char thresh, upthresh;
- unsigned char ztime, jenks;
- unsigned char drift_time;
+struct trackpoint_data {
+ u8 variant_id;
+ u8 firmware_id;
+
+ u8 sensitivity, speed, inertia, reach;
+ u8 draghys, mindrag;
+ u8 thresh, upthresh;
+ u8 ztime, jenks;
+ u8 drift_time;
/* toggles */
- unsigned char press_to_select;
- unsigned char skipback;
- unsigned char ext_dev;
+ bool press_to_select;
+ bool skipback;
+ bool ext_dev;
};
#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 17:38:20 +0300