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Diffstat (limited to 'drivers/input/mouse/synaptics.c')
-rw-r--r--drivers/input/mouse/synaptics.c277
1 files changed, 182 insertions, 95 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 16c30460ef04..c5c88a75a019 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Synaptics TouchPad PS/2 mouse driver
*
@@ -16,10 +17,6 @@
* Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
* code for the special synaptics commands (from the tpconfig-source)
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
* Trademarks are the property of their respective owners.
*/
@@ -84,7 +81,7 @@ static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode)
u8 param[1];
int error;
- error = psmouse_sliced_command(psmouse, mode);
+ error = ps2_sliced_command(&psmouse->ps2dev, mode);
if (error)
return error;
@@ -99,9 +96,7 @@ static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode)
int synaptics_detect(struct psmouse *psmouse, bool set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
- u8 param[4];
-
- param[0] = 0;
+ u8 param[4] = { 0 };
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
@@ -151,7 +146,6 @@ static const char * const topbuttonpad_pnp_ids[] = {
"LEN0042", /* Yoga */
"LEN0045",
"LEN0047",
- "LEN0049",
"LEN2000", /* S540 */
"LEN2001", /* Edge E431 */
"LEN2002", /* Edge E531 */
@@ -167,14 +161,48 @@ static const char * const topbuttonpad_pnp_ids[] = {
NULL
};
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
static const char * const smbus_pnp_ids[] = {
/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
+ "DLL060d", /* Dell Precision M3800 */
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */
+ "LEN0049", /* Yoga 11e */
"LEN004a", /* W541 */
+ "LEN005b", /* P50 */
+ "LEN005e", /* T560 */
+ "LEN006c", /* T470s */
+ "LEN007a", /* T470s */
+ "LEN0071", /* T480 */
+ "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
+ "LEN0073", /* X1 Carbon G5 (Elantech) */
+ "LEN0091", /* X1 Carbon 6 */
+ "LEN0092", /* X1 Carbon 6 */
+ "LEN0093", /* T480 */
+ "LEN0096", /* X280 */
+ "LEN0097", /* X280 -> ALPS trackpoint */
+ "LEN0099", /* X1 Extreme Gen 1 / P1 Gen 1 */
+ "LEN009b", /* T580 */
+ "LEN0402", /* X1 Extreme Gen 2 / P1 Gen 2 */
+ "LEN040f", /* P1 Gen 3 */
+ "LEN0411", /* L14 Gen 1 */
"LEN200f", /* T450s */
+ "LEN2044", /* L470 */
+ "LEN2054", /* E480 */
+ "LEN2055", /* E580 */
+ "LEN2068", /* T14 Gen 1 */
+ "SYN1221", /* TUXEDO InfinityBook Pro 14 v5 */
+ "SYN3003", /* HP EliteBook 850 G1 */
+ "SYN3015", /* HP EliteBook 840 G2 */
+ "SYN3052", /* HP EliteBook 840 G4 */
+ "SYN3221", /* HP 15-ay000 */
+ "SYN323d", /* HP Spectre X360 13-w013dx */
+ "SYN3257", /* HP Envy 13-ad105ng */
+ "TOS01f6", /* Dynabook Portege X30L-G */
+ "TOS0213", /* Dynabook Portege X30-D */
NULL
};
+#endif
static const char * const forcepad_pnp_ids[] = {
"SYN300D",
@@ -183,13 +211,13 @@ static const char * const forcepad_pnp_ids[] = {
};
/*
- * Send a command to the synpatics touchpad by special commands
+ * Send a command to the synaptics touchpad by special commands
*/
static int synaptics_send_cmd(struct psmouse *psmouse, u8 cmd, u8 *param)
{
int error;
- error = psmouse_sliced_command(psmouse, cmd);
+ error = ps2_sliced_command(&psmouse->ps2dev, cmd);
if (error)
return error;
@@ -535,17 +563,18 @@ static void synaptics_apply_quirks(struct psmouse *psmouse,
}
}
+static bool synaptics_has_agm(struct synaptics_data *priv)
+{
+ return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
+ SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c));
+}
+
static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
{
static u8 param = 0xc8;
- struct synaptics_data *priv = psmouse->private;
int error;
- if (!(SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)))
- return 0;
-
- error = psmouse_sliced_command(psmouse, SYN_QUE_MODEL);
+ error = ps2_sliced_command(&psmouse->ps2dev, SYN_QUE_MODEL);
if (error)
return error;
@@ -553,9 +582,6 @@ static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
if (error)
return error;
- /* Advanced gesture mode also sends multi finger data */
- priv->info.capabilities |= BIT(1);
-
return 0;
}
@@ -578,7 +604,7 @@ static int synaptics_set_mode(struct psmouse *psmouse)
if (error)
return error;
- if (priv->absolute_mode) {
+ if (priv->absolute_mode && synaptics_has_agm(priv)) {
error = synaptics_set_advanced_gesture_mode(psmouse);
if (error) {
psmouse_err(psmouse,
@@ -611,11 +637,11 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
****************************************************************************/
static int synaptics_pt_write(struct serio *serio, u8 c)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
int error;
- error = psmouse_sliced_command(parent, c);
+ error = ps2_sliced_command(&parent->ps2dev, c);
if (error)
return error;
@@ -628,24 +654,42 @@ static int synaptics_pt_write(struct serio *serio, u8 c)
static int synaptics_pt_start(struct serio *serio)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
struct synaptics_data *priv = parent->private;
- serio_pause_rx(parent->ps2dev.serio);
+ guard(serio_pause_rx)(parent->ps2dev.serio);
priv->pt_port = serio;
- serio_continue_rx(parent->ps2dev.serio);
return 0;
}
static void synaptics_pt_stop(struct serio *serio)
{
- struct psmouse *parent = serio_get_drvdata(serio->parent);
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
struct synaptics_data *priv = parent->private;
- serio_pause_rx(parent->ps2dev.serio);
+ guard(serio_pause_rx)(parent->ps2dev.serio);
priv->pt_port = NULL;
- serio_continue_rx(parent->ps2dev.serio);
+}
+
+static int synaptics_pt_open(struct serio *serio)
+{
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
+ struct synaptics_data *priv = parent->private;
+
+ guard(serio_pause_rx)(parent->ps2dev.serio);
+ priv->pt_port_open = true;
+
+ return 0;
+}
+
+static void synaptics_pt_close(struct serio *serio)
+{
+ struct psmouse *parent = psmouse_from_serio(serio->parent);
+ struct synaptics_data *priv = parent->private;
+
+ guard(serio_pause_rx)(parent->ps2dev.serio);
+ priv->pt_port_open = false;
}
static int synaptics_is_pt_packet(u8 *buf)
@@ -653,25 +697,32 @@ static int synaptics_is_pt_packet(u8 *buf)
return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
}
-static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet)
+static void synaptics_pass_pt_packet(struct synaptics_data *priv, u8 *packet)
{
- struct psmouse *child = serio_get_drvdata(ptport);
+ struct serio *ptport;
- if (child && child->state == PSMOUSE_ACTIVATED) {
- serio_interrupt(ptport, packet[1], 0);
- serio_interrupt(ptport, packet[4], 0);
- serio_interrupt(ptport, packet[5], 0);
- if (child->pktsize == 4)
- serio_interrupt(ptport, packet[2], 0);
- } else {
- serio_interrupt(ptport, packet[1], 0);
+ ptport = priv->pt_port;
+ if (!ptport)
+ return;
+
+ serio_interrupt(ptport, packet[1], 0);
+
+ if (priv->pt_port_open) {
+ struct psmouse *child = psmouse_from_serio(ptport);
+
+ if (child->state == PSMOUSE_ACTIVATED) {
+ serio_interrupt(ptport, packet[4], 0);
+ serio_interrupt(ptport, packet[5], 0);
+ if (child->pktsize == 4)
+ serio_interrupt(ptport, packet[2], 0);
+ }
}
}
static void synaptics_pt_activate(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
- struct psmouse *child = serio_get_drvdata(priv->pt_port);
+ struct psmouse *child = psmouse_from_serio(priv->pt_port);
/* adjust the touchpad to child's choice of protocol */
if (child) {
@@ -690,7 +741,7 @@ static void synaptics_pt_create(struct psmouse *psmouse)
{
struct serio *serio;
- serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
+ serio = kzalloc(sizeof(*serio), GFP_KERNEL);
if (!serio) {
psmouse_err(psmouse,
"not enough memory for pass-through port\n");
@@ -698,11 +749,13 @@ static void synaptics_pt_create(struct psmouse *psmouse)
}
serio->id.type = SERIO_PS_PSTHRU;
- strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
- strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name));
+ strscpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
+ strscpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->phys));
serio->write = synaptics_pt_write;
serio->start = synaptics_pt_start;
serio->stop = synaptics_pt_stop;
+ serio->open = synaptics_pt_open;
+ serio->close = synaptics_pt_close;
serio->parent = psmouse->ps2dev.serio;
psmouse->pt_activate = synaptics_pt_activate;
@@ -766,9 +819,7 @@ static int synaptics_parse_hw_state(const u8 buf[],
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
- if ((SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)) &&
- hw->w == 2) {
+ if (synaptics_has_agm(priv) && hw->w == 2) {
synaptics_parse_agm(buf, priv, hw);
return 1;
}
@@ -1033,6 +1084,15 @@ static void synaptics_image_sensor_process(struct psmouse *psmouse,
synaptics_report_mt_data(psmouse, sgm, num_fingers);
}
+static bool synaptics_has_multifinger(struct synaptics_data *priv)
+{
+ if (SYN_CAP_MULTIFINGER(priv->info.capabilities))
+ return true;
+
+ /* Advanced gesture mode also sends multi finger data */
+ return synaptics_has_agm(priv);
+}
+
/*
* called for each full received packet from the touchpad
*/
@@ -1079,12 +1139,15 @@ static void synaptics_process_packet(struct psmouse *psmouse)
if (SYN_CAP_EXTENDED(info->capabilities)) {
switch (hw.w) {
case 0 ... 1:
- if (SYN_CAP_MULTIFINGER(info->capabilities))
+ if (synaptics_has_multifinger(priv))
num_fingers = hw.w + 2;
break;
case 2:
- if (SYN_MODEL_PEN(info->model_id))
- ; /* Nothing, treat a pen as a single finger */
+ /*
+ * SYN_MODEL_PEN(info->model_id): even if
+ * the device supports pen, we treat it as
+ * a single finger.
+ */
break;
case 4 ... 15:
if (SYN_CAP_PALMDETECT(info->capabilities))
@@ -1123,7 +1186,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
+ if (synaptics_has_multifinger(priv)) {
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
}
@@ -1189,11 +1252,10 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
if (SYN_CAP_PASS_THROUGH(priv->info.capabilities) &&
synaptics_is_pt_packet(psmouse->packet)) {
- if (priv->pt_port)
- synaptics_pass_pt_packet(priv->pt_port,
- psmouse->packet);
- } else
+ synaptics_pass_pt_packet(priv, psmouse->packet);
+ } else {
synaptics_process_packet(psmouse);
+ }
return PSMOUSE_FULL_PACKET;
}
@@ -1222,32 +1284,39 @@ static void set_abs_position_params(struct input_dev *dev,
input_abs_set_res(dev, y_code, info->y_res);
}
-static void set_input_params(struct psmouse *psmouse,
- struct synaptics_data *priv)
+static int set_input_params(struct psmouse *psmouse,
+ struct synaptics_data *priv)
{
struct input_dev *dev = psmouse->dev;
struct synaptics_device_info *info = &priv->info;
int i;
+ int error;
+
+ /* Reset default psmouse capabilities */
+ __clear_bit(EV_REL, dev->evbit);
+ bitmap_zero(dev->relbit, REL_CNT);
+ bitmap_zero(dev->keybit, KEY_CNT);
/* Things that apply to both modes */
__set_bit(INPUT_PROP_POINTER, dev->propbit);
- __set_bit(EV_KEY, dev->evbit);
- __set_bit(BTN_LEFT, dev->keybit);
- __set_bit(BTN_RIGHT, dev->keybit);
- if (SYN_CAP_MIDDLE_BUTTON(info->capabilities))
- __set_bit(BTN_MIDDLE, dev->keybit);
+ input_set_capability(dev, EV_KEY, BTN_LEFT);
+
+ /* Clickpads report only left button */
+ if (!SYN_CAP_CLICKPAD(info->ext_cap_0c)) {
+ input_set_capability(dev, EV_KEY, BTN_RIGHT);
+ if (SYN_CAP_MIDDLE_BUTTON(info->capabilities))
+ input_set_capability(dev, EV_KEY, BTN_MIDDLE);
+ }
if (!priv->absolute_mode) {
/* Relative mode */
- __set_bit(EV_REL, dev->evbit);
- __set_bit(REL_X, dev->relbit);
- __set_bit(REL_Y, dev->relbit);
- return;
+ input_set_capability(dev, EV_REL, REL_X);
+ input_set_capability(dev, EV_REL, REL_Y);
+ return 0;
}
/* Absolute mode */
- __set_bit(EV_ABS, dev->evbit);
set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
@@ -1259,11 +1328,15 @@ static void set_input_params(struct psmouse *psmouse,
ABS_MT_POSITION_X, ABS_MT_POSITION_Y);
/* Image sensors can report per-contact pressure */
input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
- input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK);
+
+ error = input_mt_init_slots(dev, 2,
+ INPUT_MT_POINTER | INPUT_MT_TRACK);
+ if (error)
+ return error;
/* Image sensors can signal 4 and 5 finger clicks */
- __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
- __set_bit(BTN_TOOL_QUINTTAP, dev->keybit);
+ input_set_capability(dev, EV_KEY, BTN_TOOL_QUADTAP);
+ input_set_capability(dev, EV_KEY, BTN_TOOL_QUINTTAP);
} else if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) {
set_abs_position_params(dev, info,
ABS_MT_POSITION_X, ABS_MT_POSITION_Y);
@@ -1271,46 +1344,54 @@ static void set_input_params(struct psmouse *psmouse,
* Profile sensor in CR-48 tracks contacts reasonably well,
* other non-image sensors with AGM use semi-mt.
*/
- input_mt_init_slots(dev, 2,
- INPUT_MT_POINTER |
- (cr48_profile_sensor ?
- INPUT_MT_TRACK : INPUT_MT_SEMI_MT));
+ error = input_mt_init_slots(dev, 2,
+ INPUT_MT_POINTER |
+ (cr48_profile_sensor ?
+ INPUT_MT_TRACK :
+ INPUT_MT_SEMI_MT));
+ if (error)
+ return error;
+
+ /*
+ * For semi-mt devices we send ABS_X/Y ourselves instead of
+ * input_mt_report_pointer_emulation. But
+ * input_mt_init_slots() resets the fuzz to 0, leading to a
+ * filtered ABS_MT_POSITION_X but an unfiltered ABS_X
+ * position. Let's re-initialize ABS_X/Y here.
+ */
+ if (!cr48_profile_sensor)
+ set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y);
}
if (SYN_CAP_PALMDETECT(info->capabilities))
input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
- __set_bit(BTN_TOUCH, dev->keybit);
- __set_bit(BTN_TOOL_FINGER, dev->keybit);
+ input_set_capability(dev, EV_KEY, BTN_TOUCH);
+ input_set_capability(dev, EV_KEY, BTN_TOOL_FINGER);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
- __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
- __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit);
+ if (synaptics_has_multifinger(priv)) {
+ input_set_capability(dev, EV_KEY, BTN_TOOL_DOUBLETAP);
+ input_set_capability(dev, EV_KEY, BTN_TOOL_TRIPLETAP);
}
if (SYN_CAP_FOUR_BUTTON(info->capabilities) ||
SYN_CAP_MIDDLE_BUTTON(info->capabilities)) {
- __set_bit(BTN_FORWARD, dev->keybit);
- __set_bit(BTN_BACK, dev->keybit);
+ input_set_capability(dev, EV_KEY, BTN_FORWARD);
+ input_set_capability(dev, EV_KEY, BTN_BACK);
}
if (!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10))
for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(info->ext_cap); i++)
- __set_bit(BTN_0 + i, dev->keybit);
-
- __clear_bit(EV_REL, dev->evbit);
- __clear_bit(REL_X, dev->relbit);
- __clear_bit(REL_Y, dev->relbit);
+ input_set_capability(dev, EV_KEY, BTN_0 + i);
if (SYN_CAP_CLICKPAD(info->ext_cap_0c)) {
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10))
__set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
- /* Clickpads report only left button */
- __clear_bit(BTN_RIGHT, dev->keybit);
- __clear_bit(BTN_MIDDLE, dev->keybit);
}
+
+ return 0;
}
static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse,
@@ -1516,7 +1597,7 @@ static int synaptics_init_ps2(struct psmouse *psmouse,
synaptics_apply_quirks(psmouse, info);
- psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
+ psmouse->private = priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -1548,7 +1629,12 @@ static int synaptics_init_ps2(struct psmouse *psmouse,
info->capabilities, info->ext_cap, info->ext_cap_0c,
info->ext_cap_10, info->board_id, info->firmware_id);
- set_input_params(psmouse, priv);
+ err = set_input_params(psmouse, priv);
+ if (err) {
+ psmouse_err(psmouse,
+ "failed to set up capabilities: %d\n", err);
+ goto init_fail;
+ }
/*
* Encode touchpad model so that it can be used to set
@@ -1572,6 +1658,7 @@ static int synaptics_init_ps2(struct psmouse *psmouse,
psmouse->set_rate = synaptics_set_rate;
psmouse->disconnect = synaptics_disconnect;
psmouse->reconnect = synaptics_reconnect;
+ psmouse->fast_reconnect = NULL;
psmouse->cleanup = synaptics_reset;
/* Synaptics can usually stay in sync without extra help */
psmouse->resync_time = 0;
@@ -1701,14 +1788,14 @@ static int synaptics_create_intertouch(struct psmouse *psmouse,
psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10);
const struct rmi_device_platform_data pdata = {
+ .reset_delay_ms = 30,
.sensor_pdata = {
.sensor_type = rmi_sensor_touchpad,
.axis_align.flip_y = true,
- /* to prevent cursors jumps: */
- .kernel_tracking = true,
+ .kernel_tracking = false,
.topbuttonpad = topbuttonpad,
},
- .f30_data = {
+ .gpio_data = {
.buttonpad = SYN_CAP_CLICKPAD(info->ext_cap_0c),
.trackstick_buttons =
!!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10),
@@ -1720,11 +1807,11 @@ static int synaptics_create_intertouch(struct psmouse *psmouse,
};
return psmouse_smbus_init(psmouse, &intertouch_board,
- &pdata, sizeof(pdata),
+ &pdata, sizeof(pdata), true,
leave_breadcrumbs);
}
-/**
+/*
* synaptics_setup_intertouch - called once the PS/2 devices are enumerated
* and decides to instantiate a SMBus InterTouch device.
*/