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Diffstat (limited to 'drivers/input/mouse/synaptics.c')
-rw-r--r--drivers/input/mouse/synaptics.c123
1 files changed, 87 insertions, 36 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index b6da0c1267e3..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.
*/
@@ -149,7 +146,6 @@ static const char * const topbuttonpad_pnp_ids[] = {
"LEN0042", /* Yoga */
"LEN0045",
"LEN0047",
- "LEN0049",
"LEN2000", /* S540 */
"LEN2001", /* Edge E431 */
"LEN2002", /* Edge E531 */
@@ -165,24 +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",
@@ -191,7 +211,7 @@ 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)
{
@@ -617,7 +637,7 @@ 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;
@@ -634,24 +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)
@@ -659,25 +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) {
@@ -696,7 +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");
@@ -704,11 +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;
@@ -1096,8 +1143,11 @@ static void synaptics_process_packet(struct psmouse *psmouse)
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))
@@ -1202,11 +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;
}
@@ -1548,7 +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;
@@ -1609,6 +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;
@@ -1738,13 +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,
.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),
@@ -1760,7 +1811,7 @@ static int synaptics_create_intertouch(struct psmouse *psmouse,
leave_breadcrumbs);
}
-/**
+/*
* synaptics_setup_intertouch - called once the PS/2 devices are enumerated
* and decides to instantiate a SMBus InterTouch device.
*/
generated by cgit (git 2.34.1) at 2025-12-25 00:53:53 +0000