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path: root/drivers/input/mouse
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-rw-r--r--drivers/input/mouse/Kconfig10
-rw-r--r--drivers/input/mouse/Makefile1
-rw-r--r--drivers/input/mouse/byd.c512
-rw-r--r--drivers/input/mouse/byd.h18
-rw-r--r--drivers/input/mouse/cyapa.c22
-rw-r--r--drivers/input/mouse/cyapa.h14
-rw-r--r--drivers/input/mouse/cyapa_gen3.c108
-rw-r--r--drivers/input/mouse/cyapa_gen5.c99
-rw-r--r--drivers/input/mouse/cyapa_gen6.c4
-rw-r--r--drivers/input/mouse/psmouse-base.c14
-rw-r--r--drivers/input/mouse/psmouse.h1
11 files changed, 744 insertions, 59 deletions
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 17f97e5e1..096abb4ad 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -48,6 +48,16 @@ config MOUSE_PS2_ALPS
If unsure, say Y.
+config MOUSE_PS2_BYD
+ bool "BYD PS/2 mouse protocol extension" if EXPERT
+ default y
+ depends on MOUSE_PS2
+ help
+ Say Y here if you have a BYD PS/2 touchpad connected to
+ your system.
+
+ If unsure, say Y.
+
config MOUSE_PS2_LOGIPS2PP
bool "Logitech PS/2++ mouse protocol extension" if EXPERT
default y
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index ee6a6e956..6168b1349 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -28,6 +28,7 @@ cyapatp-objs := cyapa.o cyapa_gen3.o cyapa_gen5.o cyapa_gen6.o
psmouse-objs := psmouse-base.o synaptics.o focaltech.o
psmouse-$(CONFIG_MOUSE_PS2_ALPS) += alps.o
+psmouse-$(CONFIG_MOUSE_PS2_BYD) += byd.o
psmouse-$(CONFIG_MOUSE_PS2_ELANTECH) += elantech.o
psmouse-$(CONFIG_MOUSE_PS2_OLPC) += hgpk.o
psmouse-$(CONFIG_MOUSE_PS2_LOGIPS2PP) += logips2pp.o
diff --git a/drivers/input/mouse/byd.c b/drivers/input/mouse/byd.c
new file mode 100644
index 000000000..e583f8b50
--- /dev/null
+++ b/drivers/input/mouse/byd.c
@@ -0,0 +1,512 @@
+/*
+ * BYD TouchPad PS/2 mouse driver
+ *
+ * Copyright (C) 2015 Chris Diamand <chris@diamand.org>
+ * Copyright (C) 2015 Richard Pospesel
+ * Copyright (C) 2015 Tai Chi Minh Ralph Eastwood
+ * Copyright (C) 2015 Martin Wimpress
+ * Copyright (C) 2015 Jay Kuri
+ *
+ * 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/libps2.h>
+#include <linux/serio.h>
+#include <linux/slab.h>
+
+#include "psmouse.h"
+#include "byd.h"
+
+/* PS2 Bits */
+#define PS2_Y_OVERFLOW BIT_MASK(7)
+#define PS2_X_OVERFLOW BIT_MASK(6)
+#define PS2_Y_SIGN BIT_MASK(5)
+#define PS2_X_SIGN BIT_MASK(4)
+#define PS2_ALWAYS_1 BIT_MASK(3)
+#define PS2_MIDDLE BIT_MASK(2)
+#define PS2_RIGHT BIT_MASK(1)
+#define PS2_LEFT BIT_MASK(0)
+
+/*
+ * BYD pad constants
+ */
+
+/*
+ * True device resolution is unknown, however experiments show the
+ * resolution is about 111 units/mm.
+ * Absolute coordinate packets are in the range 0-255 for both X and Y
+ * we pick ABS_X/ABS_Y dimensions which are multiples of 256 and in
+ * the right ballpark given the touchpad's physical dimensions and estimate
+ * resolution per spec sheet, device active area dimensions are
+ * 101.6 x 60.1 mm.
+ */
+#define BYD_PAD_WIDTH 11264
+#define BYD_PAD_HEIGHT 6656
+#define BYD_PAD_RESOLUTION 111
+
+/*
+ * Given the above dimensions, relative packets velocity is in multiples of
+ * 1 unit / 11 milliseconds. We use this dt to estimate distance traveled
+ */
+#define BYD_DT 11
+/* Time in jiffies used to timeout various touch events (64 ms) */
+#define BYD_TOUCH_TIMEOUT msecs_to_jiffies(64)
+
+/* BYD commands reverse engineered from windows driver */
+
+/*
+ * Swipe gesture from off-pad to on-pad
+ * 0 : disable
+ * 1 : enable
+ */
+#define BYD_CMD_SET_OFFSCREEN_SWIPE 0x10cc
+/*
+ * Tap and drag delay time
+ * 0 : disable
+ * 1 - 8 : least to most delay
+ */
+#define BYD_CMD_SET_TAP_DRAG_DELAY_TIME 0x10cf
+/*
+ * Physical buttons function mapping
+ * 0 : enable
+ * 4 : normal
+ * 5 : left button custom command
+ * 6 : right button custom command
+ * 8 : disable
+ */
+#define BYD_CMD_SET_PHYSICAL_BUTTONS 0x10d0
+/*
+ * Absolute mode (1 byte X/Y resolution)
+ * 0 : disable
+ * 2 : enable
+ */
+#define BYD_CMD_SET_ABSOLUTE_MODE 0x10d1
+/*
+ * Two finger scrolling
+ * 1 : vertical
+ * 2 : horizontal
+ * 3 : vertical + horizontal
+ * 4 : disable
+ */
+#define BYD_CMD_SET_TWO_FINGER_SCROLL 0x10d2
+/*
+ * Handedness
+ * 1 : right handed
+ * 2 : left handed
+ */
+#define BYD_CMD_SET_HANDEDNESS 0x10d3
+/*
+ * Tap to click
+ * 1 : enable
+ * 2 : disable
+ */
+#define BYD_CMD_SET_TAP 0x10d4
+/*
+ * Tap and drag
+ * 1 : tap and hold to drag
+ * 2 : tap and hold to drag + lock
+ * 3 : disable
+ */
+#define BYD_CMD_SET_TAP_DRAG 0x10d5
+/*
+ * Touch sensitivity
+ * 1 - 7 : least to most sensitive
+ */
+#define BYD_CMD_SET_TOUCH_SENSITIVITY 0x10d6
+/*
+ * One finger scrolling
+ * 1 : vertical
+ * 2 : horizontal
+ * 3 : vertical + horizontal
+ * 4 : disable
+ */
+#define BYD_CMD_SET_ONE_FINGER_SCROLL 0x10d7
+/*
+ * One finger scrolling function
+ * 1 : free scrolling
+ * 2 : edge motion
+ * 3 : free scrolling + edge motion
+ * 4 : disable
+ */
+#define BYD_CMD_SET_ONE_FINGER_SCROLL_FUNC 0x10d8
+/*
+ * Sliding speed
+ * 1 - 5 : slowest to fastest
+ */
+#define BYD_CMD_SET_SLIDING_SPEED 0x10da
+/*
+ * Edge motion
+ * 1 : disable
+ * 2 : enable when dragging
+ * 3 : enable when dragging and pointing
+ */
+#define BYD_CMD_SET_EDGE_MOTION 0x10db
+/*
+ * Left edge region size
+ * 0 - 7 : smallest to largest width
+ */
+#define BYD_CMD_SET_LEFT_EDGE_REGION 0x10dc
+/*
+ * Top edge region size
+ * 0 - 9 : smallest to largest height
+ */
+#define BYD_CMD_SET_TOP_EDGE_REGION 0x10dd
+/*
+ * Disregard palm press as clicks
+ * 1 - 6 : smallest to largest
+ */
+#define BYD_CMD_SET_PALM_CHECK 0x10de
+/*
+ * Right edge region size
+ * 0 - 7 : smallest to largest width
+ */
+#define BYD_CMD_SET_RIGHT_EDGE_REGION 0x10df
+/*
+ * Bottom edge region size
+ * 0 - 9 : smallest to largest height
+ */
+#define BYD_CMD_SET_BOTTOM_EDGE_REGION 0x10e1
+/*
+ * Multitouch gestures
+ * 1 : enable
+ * 2 : disable
+ */
+#define BYD_CMD_SET_MULTITOUCH 0x10e3
+/*
+ * Edge motion speed
+ * 0 : control with finger pressure
+ * 1 - 9 : slowest to fastest
+ */
+#define BYD_CMD_SET_EDGE_MOTION_SPEED 0x10e4
+/*
+ * Two finger scolling function
+ * 0 : free scrolling
+ * 1 : free scrolling (with momentum)
+ * 2 : edge motion
+ * 3 : free scrolling (with momentum) + edge motion
+ * 4 : disable
+ */
+#define BYD_CMD_SET_TWO_FINGER_SCROLL_FUNC 0x10e5
+
+/*
+ * The touchpad generates a mixture of absolute and relative packets, indicated
+ * by the the last byte of each packet being set to one of the following:
+ */
+#define BYD_PACKET_ABSOLUTE 0xf8
+#define BYD_PACKET_RELATIVE 0x00
+/* Multitouch gesture packets */
+#define BYD_PACKET_PINCH_IN 0xd8
+#define BYD_PACKET_PINCH_OUT 0x28
+#define BYD_PACKET_ROTATE_CLOCKWISE 0x29
+#define BYD_PACKET_ROTATE_ANTICLOCKWISE 0xd7
+#define BYD_PACKET_TWO_FINGER_SCROLL_RIGHT 0x2a
+#define BYD_PACKET_TWO_FINGER_SCROLL_DOWN 0x2b
+#define BYD_PACKET_TWO_FINGER_SCROLL_UP 0xd5
+#define BYD_PACKET_TWO_FINGER_SCROLL_LEFT 0xd6
+#define BYD_PACKET_THREE_FINGER_SWIPE_RIGHT 0x2c
+#define BYD_PACKET_THREE_FINGER_SWIPE_DOWN 0x2d
+#define BYD_PACKET_THREE_FINGER_SWIPE_UP 0xd3
+#define BYD_PACKET_THREE_FINGER_SWIPE_LEFT 0xd4
+#define BYD_PACKET_FOUR_FINGER_DOWN 0x33
+#define BYD_PACKET_FOUR_FINGER_UP 0xcd
+#define BYD_PACKET_REGION_SCROLL_RIGHT 0x35
+#define BYD_PACKET_REGION_SCROLL_DOWN 0x36
+#define BYD_PACKET_REGION_SCROLL_UP 0xca
+#define BYD_PACKET_REGION_SCROLL_LEFT 0xcb
+#define BYD_PACKET_RIGHT_CORNER_CLICK 0xd2
+#define BYD_PACKET_LEFT_CORNER_CLICK 0x2e
+#define BYD_PACKET_LEFT_AND_RIGHT_CORNER_CLICK 0x2f
+#define BYD_PACKET_ONTO_PAD_SWIPE_RIGHT 0x37
+#define BYD_PACKET_ONTO_PAD_SWIPE_DOWN 0x30
+#define BYD_PACKET_ONTO_PAD_SWIPE_UP 0xd0
+#define BYD_PACKET_ONTO_PAD_SWIPE_LEFT 0xc9
+
+struct byd_data {
+ struct timer_list timer;
+ s32 abs_x;
+ s32 abs_y;
+ typeof(jiffies) last_touch_time;
+ bool btn_left;
+ bool btn_right;
+ bool touch;
+};
+
+static void byd_report_input(struct psmouse *psmouse)
+{
+ struct byd_data *priv = psmouse->private;
+ struct input_dev *dev = psmouse->dev;
+
+ input_report_key(dev, BTN_TOUCH, priv->touch);
+ input_report_key(dev, BTN_TOOL_FINGER, priv->touch);
+
+ input_report_abs(dev, ABS_X, priv->abs_x);
+ input_report_abs(dev, ABS_Y, priv->abs_y);
+ input_report_key(dev, BTN_LEFT, priv->btn_left);
+ input_report_key(dev, BTN_RIGHT, priv->btn_right);
+
+ input_sync(dev);
+}
+
+static void byd_clear_touch(unsigned long data)
+{
+ struct psmouse *psmouse = (struct psmouse *)data;
+ struct byd_data *priv = psmouse->private;
+
+ serio_pause_rx(psmouse->ps2dev.serio);
+ priv->touch = false;
+
+ byd_report_input(psmouse);
+
+ serio_continue_rx(psmouse->ps2dev.serio);
+
+ /*
+ * Move cursor back to center of pad when we lose touch - this
+ * specifically improves user experience when moving cursor with one
+ * finger, and pressing a button with another.
+ */
+ priv->abs_x = BYD_PAD_WIDTH / 2;
+ priv->abs_y = BYD_PAD_HEIGHT / 2;
+}
+
+static psmouse_ret_t byd_process_byte(struct psmouse *psmouse)
+{
+ struct byd_data *priv = psmouse->private;
+ u8 *pkt = psmouse->packet;
+
+ if (psmouse->pktcnt > 0 && !(pkt[0] & PS2_ALWAYS_1)) {
+ psmouse_warn(psmouse, "Always_1 bit not 1. pkt[0] = %02x\n",
+ pkt[0]);
+ return PSMOUSE_BAD_DATA;
+ }
+
+ if (psmouse->pktcnt < psmouse->pktsize)
+ return PSMOUSE_GOOD_DATA;
+
+ /* Otherwise, a full packet has been received */
+ switch (pkt[3]) {
+ case BYD_PACKET_ABSOLUTE:
+ /* Only use absolute packets for the start of movement. */
+ if (!priv->touch) {
+ /* needed to detect tap */
+ typeof(jiffies) tap_time =
+ priv->last_touch_time + BYD_TOUCH_TIMEOUT;
+ priv->touch = time_after(jiffies, tap_time);
+
+ /* init abs position */
+ priv->abs_x = pkt[1] * (BYD_PAD_WIDTH / 256);
+ priv->abs_y = (255 - pkt[2]) * (BYD_PAD_HEIGHT / 256);
+ }
+ break;
+ case BYD_PACKET_RELATIVE: {
+ /* Standard packet */
+ /* Sign-extend if a sign bit is set. */
+ u32 signx = pkt[0] & PS2_X_SIGN ? ~0xFF : 0;
+ u32 signy = pkt[0] & PS2_Y_SIGN ? ~0xFF : 0;
+ s32 dx = signx | (int) pkt[1];
+ s32 dy = signy | (int) pkt[2];
+
+ /* Update position based on velocity */
+ priv->abs_x += dx * BYD_DT;
+ priv->abs_y -= dy * BYD_DT;
+
+ priv->touch = true;
+ break;
+ }
+ default:
+ psmouse_warn(psmouse,
+ "Unrecognized Z: pkt = %02x %02x %02x %02x\n",
+ psmouse->packet[0], psmouse->packet[1],
+ psmouse->packet[2], psmouse->packet[3]);
+ return PSMOUSE_BAD_DATA;
+ }
+
+ priv->btn_left = pkt[0] & PS2_LEFT;
+ priv->btn_right = pkt[0] & PS2_RIGHT;
+
+ byd_report_input(psmouse);
+
+ /* Reset time since last touch. */
+ if (priv->touch) {
+ priv->last_touch_time = jiffies;
+ mod_timer(&priv->timer, jiffies + BYD_TOUCH_TIMEOUT);
+ }
+
+ return PSMOUSE_FULL_PACKET;
+}
+
+static int byd_reset_touchpad(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ u8 param[4];
+ size_t i;
+
+ const struct {
+ u16 command;
+ u8 arg;
+ } seq[] = {
+ /*
+ * Intellimouse initialization sequence, to get 4-byte instead
+ * of 3-byte packets.
+ */
+ { PSMOUSE_CMD_SETRATE, 0xC8 },
+ { PSMOUSE_CMD_SETRATE, 0x64 },
+ { PSMOUSE_CMD_SETRATE, 0x50 },
+ { PSMOUSE_CMD_GETID, 0 },
+ { PSMOUSE_CMD_ENABLE, 0 },
+ /*
+ * BYD-specific initialization, which enables absolute mode and
+ * (if desired), the touchpad's built-in gesture detection.
+ */
+ { 0x10E2, 0x00 },
+ { 0x10E0, 0x02 },
+ /* The touchpad should reply with 4 seemingly-random bytes */
+ { 0x14E0, 0x01 },
+ /* Pairs of parameters and values. */
+ { BYD_CMD_SET_HANDEDNESS, 0x01 },
+ { BYD_CMD_SET_PHYSICAL_BUTTONS, 0x04 },
+ { BYD_CMD_SET_TAP, 0x02 },
+ { BYD_CMD_SET_ONE_FINGER_SCROLL, 0x04 },
+ { BYD_CMD_SET_ONE_FINGER_SCROLL_FUNC, 0x04 },
+ { BYD_CMD_SET_EDGE_MOTION, 0x01 },
+ { BYD_CMD_SET_PALM_CHECK, 0x00 },
+ { BYD_CMD_SET_MULTITOUCH, 0x02 },
+ { BYD_CMD_SET_TWO_FINGER_SCROLL, 0x04 },
+ { BYD_CMD_SET_TWO_FINGER_SCROLL_FUNC, 0x04 },
+ { BYD_CMD_SET_LEFT_EDGE_REGION, 0x00 },
+ { BYD_CMD_SET_TOP_EDGE_REGION, 0x00 },
+ { BYD_CMD_SET_RIGHT_EDGE_REGION, 0x00 },
+ { BYD_CMD_SET_BOTTOM_EDGE_REGION, 0x00 },
+ { BYD_CMD_SET_ABSOLUTE_MODE, 0x02 },
+ /* Finalize initialization. */
+ { 0x10E0, 0x00 },
+ { 0x10E2, 0x01 },
+ };
+
+ for (i = 0; i < ARRAY_SIZE(seq); ++i) {
+ memset(param, 0, sizeof(param));
+ param[0] = seq[i].arg;
+ if (ps2_command(ps2dev, param, seq[i].command))
+ return -EIO;
+ }
+
+ psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
+ return 0;
+}
+
+static int byd_reconnect(struct psmouse *psmouse)
+{
+ int retry = 0, error = 0;
+
+ psmouse_dbg(psmouse, "Reconnect\n");
+ do {
+ psmouse_reset(psmouse);
+ if (retry)
+ ssleep(1);
+ error = byd_detect(psmouse, 0);
+ } while (error && ++retry < 3);
+
+ if (error)
+ return error;
+
+ psmouse_dbg(psmouse, "Reconnected after %d attempts\n", retry);
+
+ error = byd_reset_touchpad(psmouse);
+ if (error) {
+ psmouse_err(psmouse, "Unable to initialize device\n");
+ return error;
+ }
+
+ return 0;
+}
+
+static void byd_disconnect(struct psmouse *psmouse)
+{
+ struct byd_data *priv = psmouse->private;
+
+ if (priv) {
+ del_timer(&priv->timer);
+ kfree(psmouse->private);
+ psmouse->private = NULL;
+ }
+}
+
+int byd_detect(struct psmouse *psmouse, bool set_properties)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ u8 param[4] = {0x03, 0x00, 0x00, 0x00};
+
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
+ return -1;
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
+ return -1;
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
+ return -1;
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES))
+ return -1;
+ if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+ return -1;
+
+ if (param[1] != 0x03 || param[2] != 0x64)
+ return -ENODEV;
+
+ psmouse_dbg(psmouse, "BYD touchpad detected\n");
+
+ if (set_properties) {
+ psmouse->vendor = "BYD";
+ psmouse->name = "TouchPad";
+ }
+
+ return 0;
+}
+
+int byd_init(struct psmouse *psmouse)
+{
+ struct input_dev *dev = psmouse->dev;
+ struct byd_data *priv;
+
+ if (psmouse_reset(psmouse))
+ return -EIO;
+
+ if (byd_reset_touchpad(psmouse))
+ return -EIO;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ memset(priv, 0, sizeof(*priv));
+ setup_timer(&priv->timer, byd_clear_touch, (unsigned long) psmouse);
+
+ psmouse->private = priv;
+ psmouse->disconnect = byd_disconnect;
+ psmouse->reconnect = byd_reconnect;
+ psmouse->protocol_handler = byd_process_byte;
+ psmouse->pktsize = 4;
+ psmouse->resync_time = 0;
+
+ __set_bit(INPUT_PROP_POINTER, dev->propbit);
+ /* Touchpad */
+ __set_bit(BTN_TOUCH, dev->keybit);
+ __set_bit(BTN_TOOL_FINGER, dev->keybit);
+ /* Buttons */
+ __set_bit(BTN_LEFT, dev->keybit);
+ __set_bit(BTN_RIGHT, dev->keybit);
+ __clear_bit(BTN_MIDDLE, dev->keybit);
+
+ /* Absolute position */
+ __set_bit(EV_ABS, dev->evbit);
+ input_set_abs_params(dev, ABS_X, 0, BYD_PAD_WIDTH, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, BYD_PAD_HEIGHT, 0, 0);
+ input_abs_set_res(dev, ABS_X, BYD_PAD_RESOLUTION);
+ input_abs_set_res(dev, ABS_Y, BYD_PAD_RESOLUTION);
+ /* No relative support */
+ __clear_bit(EV_REL, dev->evbit);
+ __clear_bit(REL_X, dev->relbit);
+ __clear_bit(REL_Y, dev->relbit);
+
+ return 0;
+}
diff --git a/drivers/input/mouse/byd.h b/drivers/input/mouse/byd.h
new file mode 100644
index 000000000..d6c120cf3
--- /dev/null
+++ b/drivers/input/mouse/byd.h
@@ -0,0 +1,18 @@
+#ifndef _BYD_H
+#define _BYD_H
+
+#ifdef CONFIG_MOUSE_PS2_BYD
+int byd_detect(struct psmouse *psmouse, bool set_properties);
+int byd_init(struct psmouse *psmouse);
+#else
+static inline int byd_detect(struct psmouse *psmouse, bool set_properties)
+{
+ return -ENOSYS;
+}
+static inline int byd_init(struct psmouse *psmouse)
+{
+ return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_BYD */
+
+#endif /* _BYD_H */
diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
index e054261f3..117eec126 100644
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@@ -383,7 +383,7 @@ static int cyapa_open(struct input_dev *input)
* when in operational mode.
*/
error = cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
if (error) {
dev_warn(dev, "set active power failed: %d\n", error);
goto out;
@@ -424,7 +424,8 @@ static void cyapa_close(struct input_dev *input)
pm_runtime_set_suspended(dev);
if (cyapa->operational)
- cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0, false);
+ cyapa->ops->set_power_mode(cyapa,
+ PWR_MODE_OFF, 0, CYAPA_PM_DEACTIVE);
mutex_unlock(&cyapa->state_sync_lock);
}
@@ -534,7 +535,7 @@ static void cyapa_enable_irq_for_cmd(struct cyapa *cyapa)
*/
if (!input || cyapa->operational)
cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
/* Gen3 always using polling mode for command. */
if (cyapa->gen >= CYAPA_GEN5)
enable_irq(cyapa->client->irq);
@@ -550,7 +551,7 @@ static void cyapa_disable_irq_for_cmd(struct cyapa *cyapa)
disable_irq(cyapa->client->irq);
if (!input || cyapa->operational)
cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_OFF, 0, false);
+ PWR_MODE_OFF, 0, CYAPA_PM_ACTIVE);
}
}
@@ -617,7 +618,8 @@ static int cyapa_initialize(struct cyapa *cyapa)
/* Power down the device until we need it. */
if (cyapa->operational)
- cyapa->ops->set_power_mode(cyapa, PWR_MODE_OFF, 0, false);
+ cyapa->ops->set_power_mode(cyapa,
+ PWR_MODE_OFF, 0, CYAPA_PM_ACTIVE);
return 0;
}
@@ -634,7 +636,7 @@ static int cyapa_reinitialize(struct cyapa *cyapa)
/* Avoid command failures when TP was in OFF state. */
if (cyapa->operational)
cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
error = cyapa_detect(cyapa);
if (error)
@@ -654,7 +656,7 @@ out:
/* Reset to power OFF state to save power when no user open. */
if (cyapa->operational)
cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_OFF, 0, false);
+ PWR_MODE_OFF, 0, CYAPA_PM_DEACTIVE);
} else if (!error && cyapa->operational) {
/*
* Make sure only enable runtime PM when device is
@@ -1392,7 +1394,7 @@ static int __maybe_unused cyapa_suspend(struct device *dev)
power_mode = device_may_wakeup(dev) ? cyapa->suspend_power_mode
: PWR_MODE_OFF;
error = cyapa->ops->set_power_mode(cyapa, power_mode,
- cyapa->suspend_sleep_time, true);
+ cyapa->suspend_sleep_time, CYAPA_PM_SUSPEND);
if (error)
dev_err(dev, "suspend set power mode failed: %d\n",
error);
@@ -1447,7 +1449,7 @@ static int __maybe_unused cyapa_runtime_suspend(struct device *dev)
error = cyapa->ops->set_power_mode(cyapa,
cyapa->runtime_suspend_power_mode,
cyapa->runtime_suspend_sleep_time,
- false);
+ CYAPA_PM_RUNTIME_SUSPEND);
if (error)
dev_warn(dev, "runtime suspend failed: %d\n", error);
@@ -1460,7 +1462,7 @@ static int __maybe_unused cyapa_runtime_resume(struct device *dev)
int error;
error = cyapa->ops->set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_RUNTIME_RESUME);
if (error)
dev_warn(dev, "runtime resume failed: %d\n", error);
diff --git a/drivers/input/mouse/cyapa.h b/drivers/input/mouse/cyapa.h
index b812bba8c..ce951fe45 100644
--- a/drivers/input/mouse/cyapa.h
+++ b/drivers/input/mouse/cyapa.h
@@ -250,6 +250,15 @@ struct cyapa;
typedef bool (*cb_sort)(struct cyapa *, u8 *, int);
+enum cyapa_pm_stage {
+ CYAPA_PM_DEACTIVE,
+ CYAPA_PM_ACTIVE,
+ CYAPA_PM_SUSPEND,
+ CYAPA_PM_RESUME,
+ CYAPA_PM_RUNTIME_SUSPEND,
+ CYAPA_PM_RUNTIME_RESUME,
+};
+
struct cyapa_dev_ops {
int (*check_fw)(struct cyapa *, const struct firmware *);
int (*bl_enter)(struct cyapa *);
@@ -273,7 +282,7 @@ struct cyapa_dev_ops {
int (*sort_empty_output_data)(struct cyapa *,
u8 *, int *, cb_sort);
- int (*set_power_mode)(struct cyapa *, u8, u16, bool);
+ int (*set_power_mode)(struct cyapa *, u8, u16, enum cyapa_pm_stage);
int (*set_proximity)(struct cyapa *, bool);
};
@@ -289,6 +298,9 @@ struct cyapa_pip_cmd_states {
u8 *resp_data;
int *resp_len;
+ enum cyapa_pm_stage pm_stage;
+ struct mutex pm_stage_lock;
+
u8 irq_cmd_buf[CYAPA_REG_MAP_SIZE];
u8 empty_buf[CYAPA_REG_MAP_SIZE];
};
diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c
index 1a9d12ae7..f9600753e 100644
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@@ -269,6 +269,7 @@ static const struct cyapa_cmd_len cyapa_smbus_cmds[] = {
{ CYAPA_SMBUS_MIN_BASELINE, 1 }, /* CYAPA_CMD_MIN_BASELINE */
};
+static int cyapa_gen3_try_poll_handler(struct cyapa *cyapa);
/*
* cyapa_smbus_read_block - perform smbus block read command
@@ -950,12 +951,14 @@ static u16 cyapa_get_wait_time_for_pwr_cmd(u8 pwr_mode)
* Device power mode can only be set when device is in operational mode.
*/
static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
- u16 always_unused, bool is_suspend_unused)
+ u16 always_unused, enum cyapa_pm_stage pm_stage)
{
- int ret;
+ struct input_dev *input = cyapa->input;
u8 power;
int tries;
- u16 sleep_time;
+ int sleep_time;
+ int interval;
+ int ret;
if (cyapa->state != CYAPA_STATE_OP)
return 0;
@@ -977,7 +980,7 @@ static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
if ((ret & PWR_MODE_MASK) == power_mode)
return 0;
- sleep_time = cyapa_get_wait_time_for_pwr_cmd(ret & PWR_MODE_MASK);
+ sleep_time = (int)cyapa_get_wait_time_for_pwr_cmd(ret & PWR_MODE_MASK);
power = ret;
power &= ~PWR_MODE_MASK;
power |= power_mode & PWR_MODE_MASK;
@@ -995,7 +998,23 @@ static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
* doing so before issuing the next command may result in errors
* depending on the command's content.
*/
- msleep(sleep_time);
+ if (cyapa->operational && input && input->users &&
+ (pm_stage == CYAPA_PM_RUNTIME_SUSPEND ||
+ pm_stage == CYAPA_PM_RUNTIME_RESUME)) {
+ /* Try to polling in 120Hz, read may fail, just ignore it. */
+ interval = 1000 / 120;
+ while (sleep_time > 0) {
+ if (sleep_time > interval)
+ msleep(interval);
+ else
+ msleep(sleep_time);
+ sleep_time -= interval;
+ cyapa_gen3_try_poll_handler(cyapa);
+ }
+ } else {
+ msleep(sleep_time);
+ }
+
return ret;
}
@@ -1112,7 +1131,7 @@ static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)
* may cause problems, so we set the power mode first here.
*/
error = cyapa_gen3_set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
if (error)
dev_err(dev, "%s: set full power mode failed: %d\n",
__func__, error);
@@ -1168,32 +1187,16 @@ static bool cyapa_gen3_irq_cmd_handler(struct cyapa *cyapa)
return false;
}
-static int cyapa_gen3_irq_handler(struct cyapa *cyapa)
+static int cyapa_gen3_event_process(struct cyapa *cyapa,
+ struct cyapa_reg_data *data)
{
struct input_dev *input = cyapa->input;
- struct device *dev = &cyapa->client->dev;
- struct cyapa_reg_data data;
int num_fingers;
- int ret;
int i;
- ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);
- if (ret != sizeof(data)) {
- dev_err(dev, "failed to read report data, (%d)\n", ret);
- return -EINVAL;
- }
-
- if ((data.device_status & OP_STATUS_SRC) != OP_STATUS_SRC ||
- (data.device_status & OP_STATUS_DEV) != CYAPA_DEV_NORMAL ||
- (data.finger_btn & OP_DATA_VALID) != OP_DATA_VALID) {
- dev_err(dev, "invalid device state bytes, %02x %02x\n",
- data.device_status, data.finger_btn);
- return -EINVAL;
- }
-
- num_fingers = (data.finger_btn >> 4) & 0x0f;
+ num_fingers = (data->finger_btn >> 4) & 0x0f;
for (i = 0; i < num_fingers; i++) {
- const struct cyapa_touch *touch = &data.touches[i];
+ const struct cyapa_touch *touch = &data->touches[i];
/* Note: touch->id range is 1 to 15; slots are 0 to 14. */
int slot = touch->id - 1;
@@ -1210,18 +1213,65 @@ static int cyapa_gen3_irq_handler(struct cyapa *cyapa)
if (cyapa->btn_capability & CAPABILITY_LEFT_BTN_MASK)
input_report_key(input, BTN_LEFT,
- !!(data.finger_btn & OP_DATA_LEFT_BTN));
+ !!(data->finger_btn & OP_DATA_LEFT_BTN));
if (cyapa->btn_capability & CAPABILITY_MIDDLE_BTN_MASK)
input_report_key(input, BTN_MIDDLE,
- !!(data.finger_btn & OP_DATA_MIDDLE_BTN));
+ !!(data->finger_btn & OP_DATA_MIDDLE_BTN));
if (cyapa->btn_capability & CAPABILITY_RIGHT_BTN_MASK)
input_report_key(input, BTN_RIGHT,
- !!(data.finger_btn & OP_DATA_RIGHT_BTN));
+ !!(data->finger_btn & OP_DATA_RIGHT_BTN));
input_sync(input);
return 0;
}
+static int cyapa_gen3_irq_handler(struct cyapa *cyapa)
+{
+ struct device *dev = &cyapa->client->dev;
+ struct cyapa_reg_data data;
+ int ret;
+
+ ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);
+ if (ret != sizeof(data)) {
+ dev_err(dev, "failed to read report data, (%d)\n", ret);
+ return -EINVAL;
+ }
+
+ if ((data.device_status & OP_STATUS_SRC) != OP_STATUS_SRC ||
+ (data.device_status & OP_STATUS_DEV) != CYAPA_DEV_NORMAL ||
+ (data.finger_btn & OP_DATA_VALID) != OP_DATA_VALID) {
+ dev_err(dev, "invalid device state bytes: %02x %02x\n",
+ data.device_status, data.finger_btn);
+ return -EINVAL;
+ }
+
+ return cyapa_gen3_event_process(cyapa, &data);
+}
+
+/*
+ * This function will be called in the cyapa_gen3_set_power_mode function,
+ * and it's known that it may failed in some situation after the set power
+ * mode command was sent. So this function is aimed to avoid the knwon
+ * and unwanted output I2C and data parse error messages.
+ */
+static int cyapa_gen3_try_poll_handler(struct cyapa *cyapa)
+{
+ struct cyapa_reg_data data;
+ int ret;
+
+ ret = cyapa_read_block(cyapa, CYAPA_CMD_GROUP_DATA, (u8 *)&data);
+ if (ret != sizeof(data))
+ return -EINVAL;
+
+ if ((data.device_status & OP_STATUS_SRC) != OP_STATUS_SRC ||
+ (data.device_status & OP_STATUS_DEV) != CYAPA_DEV_NORMAL ||
+ (data.finger_btn & OP_DATA_VALID) != OP_DATA_VALID)
+ return -EINVAL;
+
+ return cyapa_gen3_event_process(cyapa, &data);
+
+}
+
static int cyapa_gen3_initialize(struct cyapa *cyapa) { return 0; }
static int cyapa_gen3_bl_initiate(struct cyapa *cyapa,
const struct firmware *fw) { return 0; }
diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c
index 118ba9771..5775d40b3 100644
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
@@ -342,6 +342,9 @@ u8 pip_bl_read_app_info[] = { 0x04, 0x00, 0x0b, 0x00, 0x40, 0x00,
static u8 cyapa_pip_bl_cmd_key[] = { 0xa5, 0x01, 0x02, 0x03,
0xff, 0xfe, 0xfd, 0x5a };
+static int cyapa_pip_event_process(struct cyapa *cyapa,
+ struct cyapa_pip_report_data *report_data);
+
int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa)
{
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
@@ -350,6 +353,9 @@ int cyapa_pip_cmd_state_initialize(struct cyapa *cyapa)
atomic_set(&pip->cmd_issued, 0);
mutex_init(&pip->cmd_lock);
+ mutex_init(&pip->pm_stage_lock);
+ pip->pm_stage = CYAPA_PM_DEACTIVE;
+
pip->resp_sort_func = NULL;
pip->in_progress_cmd = PIP_INVALID_CMD;
pip->resp_data = NULL;
@@ -397,6 +403,38 @@ ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size)
return 0;
}
+static void cyapa_set_pip_pm_state(struct cyapa *cyapa,
+ enum cyapa_pm_stage pm_stage)
+{
+ struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
+
+ mutex_lock(&pip->pm_stage_lock);
+ pip->pm_stage = pm_stage;
+ mutex_unlock(&pip->pm_stage_lock);
+}
+
+static void cyapa_reset_pip_pm_state(struct cyapa *cyapa)
+{
+ struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
+
+ /* Indicates the pip->pm_stage is not valid. */
+ mutex_lock(&pip->pm_stage_lock);
+ pip->pm_stage = CYAPA_PM_DEACTIVE;
+ mutex_unlock(&pip->pm_stage_lock);
+}
+
+static enum cyapa_pm_stage cyapa_get_pip_pm_state(struct cyapa *cyapa)
+{
+ struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
+ enum cyapa_pm_stage pm_stage;
+
+ mutex_lock(&pip->pm_stage_lock);
+ pm_stage = pip->pm_stage;
+ mutex_unlock(&pip->pm_stage_lock);
+
+ return pm_stage;
+}
+
/**
* This function is aimed to dump all not read data in Gen5 trackpad
* before send any command, otherwise, the interrupt line will be blocked.
@@ -404,7 +442,9 @@ ssize_t cyapa_i2c_pip_write(struct cyapa *cyapa, u8 *buf, size_t size)
int cyapa_empty_pip_output_data(struct cyapa *cyapa,
u8 *buf, int *len, cb_sort func)
{
+ struct input_dev *input = cyapa->input;
struct cyapa_pip_cmd_states *pip = &cyapa->cmd_states.pip;
+ enum cyapa_pm_stage pm_stage = cyapa_get_pip_pm_state(cyapa);
int length;
int report_count;
int empty_count;
@@ -478,6 +518,12 @@ int cyapa_empty_pip_output_data(struct cyapa *cyapa,
*len = length;
/* Response found, success. */
return 0;
+ } else if (cyapa->operational && input && input->users &&
+ (pm_stage == CYAPA_PM_RUNTIME_RESUME ||
+ pm_stage == CYAPA_PM_RUNTIME_SUSPEND)) {
+ /* Parse the data and report it if it's valid. */
+ cyapa_pip_event_process(cyapa,
+ (struct cyapa_pip_report_data *)pip->empty_buf);
}
error = -EINVAL;
@@ -1566,15 +1612,17 @@ int cyapa_pip_deep_sleep(struct cyapa *cyapa, u8 state)
}
static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
- u8 power_mode, u16 sleep_time, bool is_suspend)
+ u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage)
{
struct device *dev = &cyapa->client->dev;
u8 power_state;
- int error;
+ int error = 0;
if (cyapa->state != CYAPA_STATE_GEN5_APP)
return 0;
+ cyapa_set_pip_pm_state(cyapa, pm_stage);
+
if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) {
/*
* Assume TP in deep sleep mode when driver is loaded,
@@ -1597,7 +1645,7 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
power_mode == PWR_MODE_BTN_ONLY ||
PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) {
/* Has in correct power mode state, early return. */
- return 0;
+ goto out;
}
}
@@ -1605,11 +1653,11 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF);
if (error) {
dev_err(dev, "enter deep sleep fail: %d\n", error);
- return error;
+ goto out;
}
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF);
- return 0;
+ goto out;
}
/*
@@ -1621,7 +1669,7 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
error = cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON);
if (error) {
dev_err(dev, "deep sleep wake fail: %d\n", error);
- return error;
+ goto out;
}
}
@@ -1630,7 +1678,7 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
GEN5_POWER_STATE_ACTIVE);
if (error) {
dev_err(dev, "change to active fail: %d\n", error);
- return error;
+ goto out;
}
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE);
@@ -1639,7 +1687,7 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
GEN5_POWER_STATE_BTN_ONLY);
if (error) {
dev_err(dev, "fail to button only mode: %d\n", error);
- return error;
+ goto out;
}
PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY);
@@ -1664,7 +1712,7 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
if (error) {
dev_err(dev, "set power state to 0x%02x failed: %d\n",
power_state, error);
- return error;
+ goto out;
}
/*
@@ -1677,14 +1725,16 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
* is suspending which may cause interrupt line unable to be
* asserted again.
*/
- if (is_suspend)
+ if (pm_stage == CYAPA_PM_SUSPEND)
cyapa_gen5_disable_pip_report(cyapa);
PIP_DEV_SET_PWR_STATE(cyapa,
cyapa_sleep_time_to_pwr_cmd(sleep_time));
}
- return 0;
+out:
+ cyapa_reset_pip_pm_state(cyapa);
+ return error;
}
int cyapa_pip_resume_scanning(struct cyapa *cyapa)
@@ -2513,7 +2563,7 @@ static int cyapa_gen5_do_operational_check(struct cyapa *cyapa)
* the device state is required.
*/
error = cyapa_gen5_set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
if (error)
dev_warn(dev, "%s: failed to set power active mode.\n",
__func__);
@@ -2715,7 +2765,6 @@ int cyapa_pip_irq_handler(struct cyapa *cyapa)
struct device *dev = &cyapa->client->dev;
struct cyapa_pip_report_data report_data;
unsigned int report_len;
- u8 report_id;
int ret;
if (!cyapa_is_pip_app_mode(cyapa)) {
@@ -2752,7 +2801,23 @@ int cyapa_pip_irq_handler(struct cyapa *cyapa)
return -EINVAL;
}
- report_id = report_data.report_head[PIP_RESP_REPORT_ID_OFFSET];
+ return cyapa_pip_event_process(cyapa, &report_data);
+}
+
+static int cyapa_pip_event_process(struct cyapa *cyapa,
+ struct cyapa_pip_report_data *report_data)
+{
+ struct device *dev = &cyapa->client->dev;
+ unsigned int report_len;
+ u8 report_id;
+
+ report_len = get_unaligned_le16(
+ &report_data->report_head[PIP_RESP_LENGTH_OFFSET]);
+ /* Idle, no data for report. */
+ if (report_len == PIP_RESP_LENGTH_SIZE)
+ return 0;
+
+ report_id = report_data->report_head[PIP_RESP_REPORT_ID_OFFSET];
if (report_id == PIP_WAKEUP_EVENT_REPORT_ID &&
report_len == PIP_WAKEUP_EVENT_SIZE) {
/*
@@ -2805,11 +2870,11 @@ int cyapa_pip_irq_handler(struct cyapa *cyapa)
}
if (report_id == PIP_TOUCH_REPORT_ID)
- cyapa_pip_report_touches(cyapa, &report_data);
+ cyapa_pip_report_touches(cyapa, report_data);
else if (report_id == PIP_PROXIMITY_REPORT_ID)
- cyapa_pip_report_proximity(cyapa, &report_data);
+ cyapa_pip_report_proximity(cyapa, report_data);
else
- cyapa_pip_report_buttons(cyapa, &report_data);
+ cyapa_pip_report_buttons(cyapa, report_data);
return 0;
}
diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c
index e4eb048d1..016397850 100644
--- a/drivers/input/mouse/cyapa_gen6.c
+++ b/drivers/input/mouse/cyapa_gen6.c
@@ -425,7 +425,7 @@ static int cyapa_gen6_deep_sleep(struct cyapa *cyapa, u8 state)
}
static int cyapa_gen6_set_power_mode(struct cyapa *cyapa,
- u8 power_mode, u16 sleep_time, bool is_suspend)
+ u8 power_mode, u16 sleep_time, enum cyapa_pm_stage pm_stage)
{
struct device *dev = &cyapa->client->dev;
struct gen6_interval_setting *interval_setting =
@@ -689,7 +689,7 @@ static int cyapa_gen6_operational_check(struct cyapa *cyapa)
* the device state is required.
*/
error = cyapa_gen6_set_power_mode(cyapa,
- PWR_MODE_FULL_ACTIVE, 0, false);
+ PWR_MODE_FULL_ACTIVE, 0, CYAPA_PM_ACTIVE);
if (error)
dev_warn(dev, "%s: failed to set power active mode.\n",
__func__);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index b9e4ee34c..5784e2054 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -37,6 +37,7 @@
#include "cypress_ps2.h"
#include "focaltech.h"
#include "vmmouse.h"
+#include "byd.h"
#define DRIVER_DESC "PS/2 mouse driver"
@@ -842,6 +843,15 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.init = vmmouse_init,
},
#endif
+#ifdef CONFIG_MOUSE_PS2_BYD
+ {
+ .type = PSMOUSE_BYD,
+ .name = "BYDPS/2",
+ .alias = "byd",
+ .detect = byd_detect,
+ .init = byd_init,
+ },
+#endif
{
.type = PSMOUSE_AUTO,
.name = "auto",
@@ -1105,6 +1115,10 @@ static int psmouse_extensions(struct psmouse *psmouse,
if (psmouse_try_protocol(psmouse, PSMOUSE_TOUCHKIT_PS2,
&max_proto, set_properties, true))
return PSMOUSE_TOUCHKIT_PS2;
+
+ if (psmouse_try_protocol(psmouse, PSMOUSE_BYD,
+ &max_proto, set_properties, true))
+ return PSMOUSE_BYD;
}
/*
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index ad5a5a1ea..e0ca6cda3 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -104,6 +104,7 @@ enum psmouse_type {
PSMOUSE_CYPRESS,
PSMOUSE_FOCALTECH,
PSMOUSE_VMMOUSE,
+ PSMOUSE_BYD,
PSMOUSE_AUTO /* This one should always be last */
};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-11 03:26:34 +0000