Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Synaptics TouchPad PS/2 mouse driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  *   2003 Dmitry Torokhov <dtor@mail.ru>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  *     Added support for pass-through port. Special thanks to Peter Berg Larsen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  *     for explaining various Synaptics quirks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  *   2003 Peter Osterlund <petero2@telia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  *     Ported to 2.5 input device infrastructure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12)  *   Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13)  *     start merging tpconfig and gpm code to a xfree-input module
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  *     adding some changes and extensions (ex. 3rd and 4th button)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16)  *   Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17)  *   Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  *     code for the special synaptics commands (from the tpconfig-source)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  * Trademarks are the property of their respective owners.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) #include <linux/input/mt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #include <linux/serio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #include <linux/libps2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) #include <linux/rmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #include "psmouse.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) #include "synaptics.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36)  * The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37)  * section 2.3.2, which says that they should be valid regardless of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38)  * actual size of the sensor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39)  * Note that newer firmware allows querying device for maximum useable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40)  * coordinates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) #define XMIN 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) #define XMAX 6143
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) #define YMIN 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #define YMAX 6143
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) #define XMIN_NOMINAL 1472
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #define XMAX_NOMINAL 5472
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) #define YMIN_NOMINAL 1408
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) #define YMAX_NOMINAL 4448
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) /* Size in bits of absolute position values reported by the hardware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) #define ABS_POS_BITS 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55)  * These values should represent the absolute maximum value that will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56)  * be reported for a positive position value. Some Synaptics firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57)  * uses this value to indicate a finger near the edge of the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58)  * whose precise position cannot be determined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60)  * At least one touchpad is known to report positions in excess of this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61)  * value which are actually negative values truncated to the 13-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62)  * reporting range. These values have never been observed to be lower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63)  * than 8184 (i.e. -8), so we treat all values greater than 8176 as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64)  * negative and any other value as positive.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) #define X_MAX_POSITIVE 8176
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) #define Y_MAX_POSITIVE 8176
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) /* maximum ABS_MT_POSITION displacement (in mm) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) #define DMAX 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73)  *	Stuff we need even when we do not want native Synaptics support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74)  ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77)  * Set the synaptics touchpad mode byte by special commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) static int synaptics_mode_cmd(struct psmouse *psmouse, u8 mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 	u8 param[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	error = ps2_sliced_command(&psmouse->ps2dev, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) 	param[0] = SYN_PS_SET_MODE2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) 	error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) int synaptics_detect(struct psmouse *psmouse, bool set_properties)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 	struct ps2dev *ps2dev = &psmouse->ps2dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	u8 param[4] = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 	ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	if (param[1] != 0x47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	if (set_properties) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 		psmouse->vendor = "Synaptics";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 		psmouse->name = "TouchPad";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) void synaptics_reset(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	/* reset touchpad back to relative mode, gestures enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 	synaptics_mode_cmd(psmouse, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125)     defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) /* This list has been kindly provided by Synaptics. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) static const char * const topbuttonpad_pnp_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	"LEN0017",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 	"LEN0018",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	"LEN0019",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 	"LEN0023",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	"LEN002A",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	"LEN002B",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	"LEN002C",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 	"LEN002D",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	"LEN002E",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 	"LEN0033", /* Helix */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	"LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	"LEN0035", /* X240 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	"LEN0036", /* T440 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	"LEN0037", /* X1 Carbon 2nd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	"LEN0038",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	"LEN0039", /* T440s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 	"LEN0041",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 	"LEN0042", /* Yoga */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	"LEN0045",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 	"LEN0047",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 	"LEN2000", /* S540 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	"LEN2001", /* Edge E431 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	"LEN2002", /* Edge E531 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	"LEN2003",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	"LEN2004", /* L440 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	"LEN2005",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	"LEN2006", /* Edge E440/E540 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	"LEN2007",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	"LEN2008",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	"LEN2009",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	"LEN200A",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	"LEN200B",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) static const char * const smbus_pnp_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	"LEN0048", /* X1 Carbon 3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	"LEN0046", /* X250 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	"LEN0049", /* Yoga 11e */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 	"LEN004a", /* W541 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 	"LEN005b", /* P50 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	"LEN005e", /* T560 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	"LEN006c", /* T470s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	"LEN007a", /* T470s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	"LEN0071", /* T480 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	"LEN0073", /* X1 Carbon G5 (Elantech) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 	"LEN0091", /* X1 Carbon 6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 	"LEN0092", /* X1 Carbon 6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	"LEN0093", /* T480 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	"LEN0096", /* X280 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	"LEN0097", /* X280 -> ALPS trackpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	"LEN0099", /* X1 Extreme Gen 1 / P1 Gen 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	"LEN009b", /* T580 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	"LEN0402", /* X1 Extreme Gen 2 / P1 Gen 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	"LEN200f", /* T450s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	"LEN2044", /* L470  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	"LEN2054", /* E480 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	"LEN2055", /* E580 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	"LEN2068", /* T14 Gen 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	"SYN3052", /* HP EliteBook 840 G4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	"SYN3221", /* HP 15-ay000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	"SYN323d", /* HP Spectre X360 13-w013dx */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	"SYN3257", /* HP Envy 13-ad105ng */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) static const char * const forcepad_pnp_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 	"SYN300D",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	"SYN3014",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204)  * Send a command to the synaptics touchpad by special commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) static int synaptics_send_cmd(struct psmouse *psmouse, u8 cmd, u8 *param)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	error = ps2_sliced_command(&psmouse->ps2dev, cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) static int synaptics_query_int(struct psmouse *psmouse, u8 query_cmd, u32 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 		__be32 be_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 		char buf[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	} resp = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	error = synaptics_send_cmd(psmouse, query_cmd, resp.buf + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 	*val = be32_to_cpu(resp.be_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238)  * Identify Touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239)  * See also the SYN_ID_* macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) static int synaptics_identify(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 			      struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	error = synaptics_query_int(psmouse, SYN_QUE_IDENTIFY, &info->identity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 	return SYN_ID_IS_SYNAPTICS(info->identity) ? 0 : -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254)  * Read the model-id bytes from the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255)  * see also SYN_MODEL_* macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) static int synaptics_model_id(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 			      struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 	return synaptics_query_int(psmouse, SYN_QUE_MODEL, &info->model_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264)  * Read the firmware id from the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) static int synaptics_firmware_id(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 				 struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	return synaptics_query_int(psmouse, SYN_QUE_FIRMWARE_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 				   &info->firmware_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274)  * Read the board id and the "More Extended Queries" from the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275)  * The board id is encoded in the "QUERY MODES" response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) static int synaptics_query_modes(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 				 struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 	u8 bid[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 	/* firmwares prior 7.5 have no board_id encoded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 	if (SYN_ID_FULL(info->identity) < 0x705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 	error = synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	info->board_id = ((bid[0] & 0xfc) << 6) | bid[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 	if (SYN_MEXT_CAP_BIT(bid[0]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		return synaptics_query_int(psmouse, SYN_QUE_MEXT_CAPAB_10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 					   &info->ext_cap_10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301)  * Read the capability-bits from the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302)  * see also the SYN_CAP_* macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) static int synaptics_capability(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 				struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	error = synaptics_query_int(psmouse, SYN_QUE_CAPABILITIES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 				    &info->capabilities);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 	info->ext_cap = info->ext_cap_0c = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	 * Older firmwares had submodel ID fixed to 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 	if (SYN_ID_FULL(info->identity) < 0x705 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 	    SYN_CAP_SUBMODEL_ID(info->capabilities) != 0x47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	 * Unless capExtended is set the rest of the flags should be ignored
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	if (!SYN_CAP_EXTENDED(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 		info->capabilities = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 	if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 		error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 					    &info->ext_cap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 				     "device claims to have extended capabilities, but I'm not able to read them.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 			 * if nExtBtn is greater than 8 it should be considered
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 			 * invalid and treated as 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 			if (SYN_CAP_MULTI_BUTTON_NO(info->ext_cap) > 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 				info->ext_cap &= ~SYN_CAP_MB_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 		error = synaptics_query_int(psmouse, SYN_QUE_EXT_CAPAB_0C,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 					    &info->ext_cap_0c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 				     "device claims to have extended capability 0x0c, but I'm not able to read it.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358)  * Read touchpad resolution and maximum reported coordinates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359)  * Resolution is left zero if touchpad does not support the query
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) static int synaptics_resolution(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 				struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	u8 resp[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	if (SYN_ID_MAJOR(info->identity) < 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	error = synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 	if (!error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 		if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 			info->x_res = resp[0]; /* x resolution in units/mm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 			info->y_res = resp[2]; /* y resolution in units/mm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 	if (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 5 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 	    SYN_CAP_MAX_DIMENSIONS(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 		error = synaptics_send_cmd(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 					   SYN_QUE_EXT_MAX_COORDS, resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 				     "device claims to have max coordinates query, but I'm not able to read it.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 			info->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 			info->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 			psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 				     "queried max coordinates: x [..%d], y [..%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 				     info->x_max, info->y_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	if (SYN_CAP_MIN_DIMENSIONS(info->ext_cap_0c) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 	    (SYN_EXT_CAP_REQUESTS(info->capabilities) >= 7 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	     /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 	      * Firmware v8.1 does not report proper number of extended
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	      * capabilities, but has been proven to report correct min
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	      * coordinates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 	      */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 	     SYN_ID_FULL(info->identity) == 0x801)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 		error = synaptics_send_cmd(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 					   SYN_QUE_EXT_MIN_COORDS, resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 				     "device claims to have min coordinates query, but I'm not able to read it.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 			info->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 			info->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 			psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 				     "queried min coordinates: x [%d..], y [%d..]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 				     info->x_min, info->y_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) static int synaptics_query_hardware(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 				    struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	memset(info, 0, sizeof(*info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	error = synaptics_identify(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 	error = synaptics_model_id(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	error = synaptics_firmware_id(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 	error = synaptics_query_modes(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	error = synaptics_capability(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	error = synaptics_resolution(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) static bool cr48_profile_sensor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) #define ANY_BOARD_ID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) struct min_max_quirk {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 	const char * const *pnp_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 		u32 min, max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	} board_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 	u32 x_min, x_max, y_min, y_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) static const struct min_max_quirk min_max_pnpid_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 		(const char * const []){"LEN0033", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 		{ANY_BOARD_ID, ANY_BOARD_ID},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 		1024, 5052, 2258, 4832
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 		(const char * const []){"LEN0042", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 		{ANY_BOARD_ID, ANY_BOARD_ID},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 		1232, 5710, 1156, 4696
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 		(const char * const []){"LEN0034", "LEN0036", "LEN0037",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 					"LEN0039", "LEN2002", "LEN2004",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 					NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 		{ANY_BOARD_ID, 2961},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 		1024, 5112, 2024, 4832
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 		(const char * const []){"LEN2000", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 		{ANY_BOARD_ID, ANY_BOARD_ID},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 		1024, 5113, 2021, 4832
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 		(const char * const []){"LEN2001", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 		{ANY_BOARD_ID, ANY_BOARD_ID},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 		1024, 5022, 2508, 4832
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 		(const char * const []){"LEN2006", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 		{2691, 2691},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 		1024, 5045, 2457, 4832
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 		(const char * const []){"LEN2006", NULL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 		{ANY_BOARD_ID, ANY_BOARD_ID},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 		1264, 5675, 1171, 4688
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510)  *	Synaptics communications functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511)  ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514)  * Synaptics touchpads report the y coordinate from bottom to top, which is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515)  * opposite from what userspace expects.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516)  * This function is used to invert y before reporting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) static int synaptics_invert_y(int y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 	return YMAX_NOMINAL + YMIN_NOMINAL - y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524)  * Apply quirk(s) if the hardware matches
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) static void synaptics_apply_quirks(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 				   struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 	for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 		if (!psmouse_matches_pnp_id(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 					    min_max_pnpid_table[i].pnp_ids))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 		if (min_max_pnpid_table[i].board_id.min != ANY_BOARD_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 		    info->board_id < min_max_pnpid_table[i].board_id.min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 		if (min_max_pnpid_table[i].board_id.max != ANY_BOARD_ID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 		    info->board_id > min_max_pnpid_table[i].board_id.max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 		info->x_min = min_max_pnpid_table[i].x_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 		info->x_max = min_max_pnpid_table[i].x_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 		info->y_min = min_max_pnpid_table[i].y_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 		info->y_max = min_max_pnpid_table[i].y_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 		psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 			     "quirked min/max coordinates: x [%d..%d], y [%d..%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 			     info->x_min, info->x_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 			     info->y_min, info->y_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) static bool synaptics_has_agm(struct synaptics_data *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 	return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 		SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 	static u8 param = 0xc8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 	error = ps2_sliced_command(&psmouse->ps2dev, SYN_QUE_MODEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 	error = ps2_command(&psmouse->ps2dev, &param, PSMOUSE_CMD_SETRATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) static int synaptics_set_mode(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	priv->mode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	if (priv->absolute_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 		priv->mode |= SYN_BIT_ABSOLUTE_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	if (priv->disable_gesture)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 		priv->mode |= SYN_BIT_DISABLE_GESTURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 	if (psmouse->rate >= 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 		priv->mode |= SYN_BIT_HIGH_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 	if (SYN_CAP_EXTENDED(priv->info.capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 		priv->mode |= SYN_BIT_W_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	error = synaptics_mode_cmd(psmouse, priv->mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 	if (priv->absolute_mode && synaptics_has_agm(priv)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 		error = synaptics_set_advanced_gesture_mode(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 		if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 			psmouse_err(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 				    "Advanced gesture mode init failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 				    error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 	if (rate >= 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 		priv->mode |= SYN_BIT_HIGH_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		psmouse->rate = 80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 		priv->mode &= ~SYN_BIT_HIGH_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 		psmouse->rate = 40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	synaptics_mode_cmd(psmouse, priv->mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626)  *	Synaptics pass-through PS/2 port support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627)  ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) static int synaptics_pt_write(struct serio *serio, u8 c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 	struct psmouse *parent = serio_get_drvdata(serio->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 	u8 rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	error = ps2_sliced_command(&parent->ps2dev, c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	error = ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) static int synaptics_pt_start(struct serio *serio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	struct psmouse *parent = serio_get_drvdata(serio->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 	struct synaptics_data *priv = parent->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 	serio_pause_rx(parent->ps2dev.serio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 	priv->pt_port = serio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	serio_continue_rx(parent->ps2dev.serio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) static void synaptics_pt_stop(struct serio *serio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 	struct psmouse *parent = serio_get_drvdata(serio->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	struct synaptics_data *priv = parent->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	serio_pause_rx(parent->ps2dev.serio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	priv->pt_port = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	serio_continue_rx(parent->ps2dev.serio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) static int synaptics_is_pt_packet(u8 *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 	return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) static void synaptics_pass_pt_packet(struct serio *ptport, u8 *packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	struct psmouse *child = serio_get_drvdata(ptport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	if (child && child->state == PSMOUSE_ACTIVATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		serio_interrupt(ptport, packet[1], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 		serio_interrupt(ptport, packet[4], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 		serio_interrupt(ptport, packet[5], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 		if (child->pktsize == 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 			serio_interrupt(ptport, packet[2], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 		serio_interrupt(ptport, packet[1], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) static void synaptics_pt_activate(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 	struct psmouse *child = serio_get_drvdata(priv->pt_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 	/* adjust the touchpad to child's choice of protocol */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	if (child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 		if (child->pktsize == 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 			priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 			priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 		if (synaptics_mode_cmd(psmouse, priv->mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 				     "failed to switch guest protocol\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) static void synaptics_pt_create(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	struct serio *serio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	if (!serio) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		psmouse_err(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 			    "not enough memory for pass-through port\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 	serio->id.type = SERIO_PS_PSTHRU;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 	strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 	strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->phys));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	serio->write = synaptics_pt_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 	serio->start = synaptics_pt_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	serio->stop = synaptics_pt_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	serio->parent = psmouse->ps2dev.serio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 	psmouse->pt_activate = synaptics_pt_activate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 	psmouse_info(psmouse, "serio: %s port at %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 		     serio->name, psmouse->phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 	serio_register_port(serio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732)  *	Functions to interpret the absolute mode packets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733)  ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) static void synaptics_parse_agm(const u8 buf[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 				struct synaptics_data *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 				struct synaptics_hw_state *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	struct synaptics_hw_state *agm = &priv->agm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	int agm_packet_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	agm_packet_type = (buf[5] & 0x30) >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	switch (agm_packet_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 		/* Gesture packet: (x, y, z) half resolution */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 		agm->w = hw->w;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 		agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 		agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 		/* AGM-CONTACT packet: we are only interested in the count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 		priv->agm_count = buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) static void synaptics_parse_ext_buttons(const u8 buf[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 					struct synaptics_data *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 					struct synaptics_hw_state *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	unsigned int ext_bits =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 		(SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 	unsigned int ext_mask = GENMASK(ext_bits - 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 	hw->ext_buttons = buf[4] & ext_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 	hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) static int synaptics_parse_hw_state(const u8 buf[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 				    struct synaptics_data *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 				    struct synaptics_hw_state *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 	memset(hw, 0, sizeof(struct synaptics_hw_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	if (SYN_MODEL_NEWABS(priv->info.model_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 		hw->w = (((buf[0] & 0x30) >> 2) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 			 ((buf[0] & 0x04) >> 1) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 			 ((buf[3] & 0x04) >> 2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 		if (synaptics_has_agm(priv) && hw->w == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 			synaptics_parse_agm(buf, priv, hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 		hw->x = (((buf[3] & 0x10) << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 			 ((buf[1] & 0x0f) << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 			 buf[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 		hw->y = (((buf[3] & 0x20) << 7) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 			 ((buf[1] & 0xf0) << 4) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 			 buf[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		hw->z = buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 		hw->left  = (buf[0] & 0x01) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 		hw->right = (buf[0] & 0x02) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 		if (priv->is_forcepad) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 			 * ForcePads, like Clickpads, use middle button
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 			 * bits to report primary button clicks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			 * Unfortunately they report primary button not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 			 * only when user presses on the pad above certain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 			 * threshold, but also when there are more than one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 			 * finger on the touchpad, which interferes with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 			 * out multi-finger gestures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 			if (hw->z == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 				/* No contacts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 				priv->press = priv->report_press = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 			} else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 				 * Single-finger touch with pressure above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 				 * the threshold. If pressure stays long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 				 * enough, we'll start reporting primary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 				 * button. We rely on the device continuing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 				 * sending data even if finger does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 				 * move.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 				if  (!priv->press) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 					priv->press_start = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 					priv->press = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 				} else if (time_after(jiffies,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 						priv->press_start +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 							msecs_to_jiffies(50))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 					priv->report_press = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 				priv->press = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 			hw->left = priv->report_press;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 		} else if (SYN_CAP_CLICKPAD(priv->info.ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 			 * Clickpad's button is transmitted as middle button,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 			 * however, since it is primary button, we will report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 			 * it as BTN_LEFT.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 			hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 		} else if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 			hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 			if (hw->w == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 				hw->scroll = (s8)buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 		if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 			hw->up   = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 			hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 		if (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) > 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 		    ((buf[0] ^ buf[3]) & 0x02)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 			synaptics_parse_ext_buttons(buf, priv, hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 		hw->x = (((buf[1] & 0x1f) << 8) | buf[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 		hw->y = (((buf[4] & 0x1f) << 8) | buf[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 		hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 		hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 		hw->left  = (buf[0] & 0x01) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 		hw->right = (buf[0] & 0x02) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 	 * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 	 * is used by some firmware to indicate a finger at the edge of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	 * the touchpad whose precise position cannot be determined, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 	 * convert these values to the maximum axis value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 	if (hw->x > X_MAX_POSITIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 		hw->x -= 1 << ABS_POS_BITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 	else if (hw->x == X_MAX_POSITIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		hw->x = XMAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 	if (hw->y > Y_MAX_POSITIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 		hw->y -= 1 << ABS_POS_BITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	else if (hw->y == Y_MAX_POSITIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 		hw->y = YMAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 					  bool active, int x, int y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 	input_mt_slot(dev, slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 	if (active) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 		input_report_abs(dev, ABS_MT_POSITION_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 		input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) static void synaptics_report_semi_mt_data(struct input_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 					  const struct synaptics_hw_state *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 					  const struct synaptics_hw_state *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 					  int num_fingers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	if (num_fingers >= 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 		synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 					      min(a->y, b->y));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 		synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 					      max(a->y, b->y));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 	} else if (num_fingers == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 		synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 		synaptics_report_semi_mt_slot(dev, 1, false, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 		synaptics_report_semi_mt_slot(dev, 0, false, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		synaptics_report_semi_mt_slot(dev, 1, false, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) static void synaptics_report_ext_buttons(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 					 const struct synaptics_hw_state *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 	struct input_dev *dev = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 	int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap) + 1) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	if (!SYN_CAP_MULTI_BUTTON_NO(priv->info.ext_cap))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 	/* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	if ((SYN_ID_FULL(priv->info.identity) == 0x801 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 	     SYN_ID_FULL(priv->info.identity) == 0x802) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	    !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 	if (!SYN_CAP_EXT_BUTTONS_STICK(priv->info.ext_cap_10)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 		for (i = 0; i < ext_bits; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 			input_report_key(dev, BTN_0 + 2 * i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 				hw->ext_buttons & BIT(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 			input_report_key(dev, BTN_1 + 2 * i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 				hw->ext_buttons & BIT(i + ext_bits));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	 * This generation of touchpads has the trackstick buttons
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 	 * physically wired to the touchpad. Re-route them through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 	 * the pass-through interface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 	if (priv->pt_port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 		u8 pt_buttons;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 		/* The trackstick expects at most 3 buttons */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 		pt_buttons = SYN_EXT_BUTTON_STICK_L(hw->ext_buttons)      |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 			     SYN_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 			     SYN_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		serio_interrupt(priv->pt_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 				PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 		serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) static void synaptics_report_buttons(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 				     const struct synaptics_hw_state *hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	struct input_dev *dev = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	input_report_key(dev, BTN_LEFT, hw->left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	input_report_key(dev, BTN_RIGHT, hw->right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	if (SYN_CAP_MIDDLE_BUTTON(priv->info.capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 		input_report_key(dev, BTN_MIDDLE, hw->middle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	if (SYN_CAP_FOUR_BUTTON(priv->info.capabilities)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 		input_report_key(dev, BTN_FORWARD, hw->up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 		input_report_key(dev, BTN_BACK, hw->down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 	synaptics_report_ext_buttons(psmouse, hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) static void synaptics_report_mt_data(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 				     const struct synaptics_hw_state *sgm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 				     int num_fingers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 	struct input_dev *dev = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 	const struct synaptics_hw_state *hw[2] = { sgm, &priv->agm };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 	struct input_mt_pos pos[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	int slot[2], nsemi, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 	nsemi = clamp_val(num_fingers, 0, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	for (i = 0; i < nsemi; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		pos[i].x = hw[i]->x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 		pos[i].y = synaptics_invert_y(hw[i]->y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 	input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->info.x_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 	for (i = 0; i < nsemi; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 		input_mt_slot(dev, slot[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		input_mt_report_slot_state(dev, MT_TOOL_FINGER, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 		input_report_abs(dev, ABS_MT_POSITION_X, pos[i].x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		input_report_abs(dev, ABS_MT_POSITION_Y, pos[i].y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		input_report_abs(dev, ABS_MT_PRESSURE, hw[i]->z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	input_mt_drop_unused(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 	/* Don't use active slot count to generate BTN_TOOL events. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 	input_mt_report_pointer_emulation(dev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 	/* Send the number of fingers reported by touchpad itself. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 	input_mt_report_finger_count(dev, num_fingers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 	synaptics_report_buttons(psmouse, sgm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 	input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) static void synaptics_image_sensor_process(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 					   struct synaptics_hw_state *sgm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	int num_fingers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 	 * Update mt_state using the new finger count and current mt_state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 	if (sgm->z == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 		num_fingers = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 	else if (sgm->w >= 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 		num_fingers = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	else if (sgm->w == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 		num_fingers = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 	else if (sgm->w == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 		num_fingers = priv->agm_count ? priv->agm_count : 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		num_fingers = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 	/* Send resulting input events to user space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 	synaptics_report_mt_data(psmouse, sgm, num_fingers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) static bool synaptics_has_multifinger(struct synaptics_data *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 	if (SYN_CAP_MULTIFINGER(priv->info.capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 	/* Advanced gesture mode also sends multi finger data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	return synaptics_has_agm(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)  *  called for each full received packet from the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) static void synaptics_process_packet(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 	struct input_dev *dev = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	struct synaptics_device_info *info = &priv->info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 	struct synaptics_hw_state hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 	int num_fingers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 	int finger_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 	if (synaptics_parse_hw_state(psmouse->packet, priv, &hw))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 		synaptics_image_sensor_process(psmouse, &hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 	if (hw.scroll) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 		priv->scroll += hw.scroll;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 		while (priv->scroll >= 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 			input_report_key(dev, BTN_BACK, !hw.down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 			input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 			input_report_key(dev, BTN_BACK, hw.down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 			input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 			priv->scroll -= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 		while (priv->scroll <= -4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 			input_report_key(dev, BTN_FORWARD, !hw.up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 			input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 			input_report_key(dev, BTN_FORWARD, hw.up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 			input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 			priv->scroll += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	if (hw.z > 0 && hw.x > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 		num_fingers = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 		finger_width = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 		if (SYN_CAP_EXTENDED(info->capabilities)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 			switch (hw.w) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 			case 0 ... 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 				if (synaptics_has_multifinger(priv))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 					num_fingers = hw.w + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 			case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 				if (SYN_MODEL_PEN(info->model_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 					;   /* Nothing, treat a pen as a single finger */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 			case 4 ... 15:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 				if (SYN_CAP_PALMDETECT(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 					finger_width = hw.w;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 		num_fingers = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 		finger_width = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 	if (cr48_profile_sensor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 		synaptics_report_mt_data(psmouse, &hw, num_fingers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 	if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 		synaptics_report_semi_mt_data(dev, &hw, &priv->agm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 					      num_fingers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	/* Post events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 	 * BTN_TOUCH has to be first as mousedev relies on it when doing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 	 * absolute -> relative conversion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 	if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 	if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	if (num_fingers > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 		input_report_abs(dev, ABS_X, hw.x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 		input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 	input_report_abs(dev, ABS_PRESSURE, hw.z);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	if (SYN_CAP_PALMDETECT(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 		input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 	input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 	if (synaptics_has_multifinger(priv)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 		input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 		input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 	synaptics_report_buttons(psmouse, &hw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	input_sync(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) static bool synaptics_validate_byte(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 				    int idx, enum synaptics_pkt_type pkt_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	static const u8 newabs_mask[]	  = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	static const u8 newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	static const u8 newabs_rslt[]	  = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	static const u8 oldabs_mask[]	  = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	static const u8 oldabs_rslt[]	  = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 	const u8 *packet = psmouse->packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	if (idx < 0 || idx > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	switch (pkt_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 	case SYN_NEWABS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 	case SYN_NEWABS_RELAXED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 		return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 	case SYN_NEWABS_STRICT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 		return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 	case SYN_OLDABS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 		return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 		psmouse_err(psmouse, "unknown packet type %d\n", pkt_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) static enum synaptics_pkt_type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) synaptics_detect_pkt_type(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	for (i = 0; i < 5; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 		if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 			psmouse_info(psmouse, "using relaxed packet validation\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 			return SYN_NEWABS_RELAXED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 	return SYN_NEWABS_STRICT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 	if (psmouse->pktcnt >= 6) { /* Full packet received */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		if (unlikely(priv->pkt_type == SYN_NEWABS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 			priv->pkt_type = synaptics_detect_pkt_type(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 		if (SYN_CAP_PASS_THROUGH(priv->info.capabilities) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 		    synaptics_is_pt_packet(psmouse->packet)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 			if (priv->pt_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 				synaptics_pass_pt_packet(priv->pt_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 							 psmouse->packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 			synaptics_process_packet(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 		return PSMOUSE_FULL_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 	return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 		PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) /*****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229)  *	Driver initialization/cleanup functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230)  ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) static void set_abs_position_params(struct input_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 				    struct synaptics_device_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 				    int x_code, int y_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 	int x_min = info->x_min ?: XMIN_NOMINAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 	int x_max = info->x_max ?: XMAX_NOMINAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 	int y_min = info->y_min ?: YMIN_NOMINAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 	int y_max = info->y_max ?: YMAX_NOMINAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 	int fuzz = SYN_CAP_REDUCED_FILTERING(info->ext_cap_0c) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 			SYN_REDUCED_FILTER_FUZZ : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	input_abs_set_res(dev, x_code, info->x_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	input_abs_set_res(dev, y_code, info->y_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) static int set_input_params(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 			    struct synaptics_data *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 	struct input_dev *dev = psmouse->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	struct synaptics_device_info *info = &priv->info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 	/* Reset default psmouse capabilities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	__clear_bit(EV_REL, dev->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 	bitmap_zero(dev->relbit, REL_CNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 	bitmap_zero(dev->keybit, KEY_CNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 	/* Things that apply to both modes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	__set_bit(INPUT_PROP_POINTER, dev->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 	input_set_capability(dev, EV_KEY, BTN_LEFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 	/* Clickpads report only left button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 	if (!SYN_CAP_CLICKPAD(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 		input_set_capability(dev, EV_KEY, BTN_RIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 		if (SYN_CAP_MIDDLE_BUTTON(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 			input_set_capability(dev, EV_KEY, BTN_MIDDLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 	if (!priv->absolute_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 		/* Relative mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 		input_set_capability(dev, EV_REL, REL_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 		input_set_capability(dev, EV_REL, REL_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	/* Absolute mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 	set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	if (cr48_profile_sensor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 		input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	if (SYN_CAP_IMAGE_SENSOR(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 		set_abs_position_params(dev, info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 					ABS_MT_POSITION_X, ABS_MT_POSITION_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 		/* Image sensors can report per-contact pressure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 		input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 		error = input_mt_init_slots(dev, 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 					    INPUT_MT_POINTER | INPUT_MT_TRACK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 		/* Image sensors can signal 4 and 5 finger clicks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 		input_set_capability(dev, EV_KEY, BTN_TOOL_QUADTAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 		input_set_capability(dev, EV_KEY, BTN_TOOL_QUINTTAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	} else if (SYN_CAP_ADV_GESTURE(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 		set_abs_position_params(dev, info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 					ABS_MT_POSITION_X, ABS_MT_POSITION_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 		 * Profile sensor in CR-48 tracks contacts reasonably well,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 		 * other non-image sensors with AGM use semi-mt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 		error = input_mt_init_slots(dev, 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 					    INPUT_MT_POINTER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 					     (cr48_profile_sensor ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 					      INPUT_MT_TRACK :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 					      INPUT_MT_SEMI_MT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 		if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 			return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 		 * For semi-mt devices we send ABS_X/Y ourselves instead of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 		 * input_mt_report_pointer_emulation. But
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 		 * input_mt_init_slots() resets the fuzz to 0, leading to a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 		 * filtered ABS_MT_POSITION_X but an unfiltered ABS_X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 		 * position. Let's re-initialize ABS_X/Y here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 		if (!cr48_profile_sensor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 			set_abs_position_params(dev, &priv->info, ABS_X, ABS_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	if (SYN_CAP_PALMDETECT(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 		input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	input_set_capability(dev, EV_KEY, BTN_TOUCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 	input_set_capability(dev, EV_KEY, BTN_TOOL_FINGER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	if (synaptics_has_multifinger(priv)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 		input_set_capability(dev, EV_KEY, BTN_TOOL_DOUBLETAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 		input_set_capability(dev, EV_KEY, BTN_TOOL_TRIPLETAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	if (SYN_CAP_FOUR_BUTTON(info->capabilities) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 	    SYN_CAP_MIDDLE_BUTTON(info->capabilities)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 		input_set_capability(dev, EV_KEY, BTN_FORWARD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 		input_set_capability(dev, EV_KEY, BTN_BACK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 	if (!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 		for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(info->ext_cap); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 			input_set_capability(dev, EV_KEY, BTN_0 + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 	if (SYN_CAP_CLICKPAD(info->ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 		__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 		if (psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 		    !SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 			__set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 					      void *data, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 	return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 					     void *data, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 					     size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	unsigned int value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	err = kstrtouint(buf, 10, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	if (value > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 	if (value == priv->disable_gesture)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 		return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	priv->disable_gesture = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	if (value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 		priv->mode |= SYN_BIT_DISABLE_GESTURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 		priv->mode &= ~SYN_BIT_DISABLE_GESTURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	if (synaptics_mode_cmd(psmouse, priv->mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 		    synaptics_show_disable_gesture,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 		    synaptics_set_disable_gesture);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) static void synaptics_disconnect(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 	 * We might have left a breadcrumb when trying to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	 * set up SMbus companion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 	psmouse_smbus_cleanup(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 	if (!priv->absolute_mode &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 			SYN_ID_DISGEST_SUPPORTED(priv->info.identity))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 		device_remove_file(&psmouse->ps2dev.serio->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 				   &psmouse_attr_disable_gesture.dattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	synaptics_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	psmouse->private = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) static int synaptics_reconnect(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	struct synaptics_data *priv = psmouse->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	struct synaptics_device_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	u8 param[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 	int retry = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 		psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 		if (retry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 			 * On some boxes, right after resuming, the touchpad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 			 * needs some time to finish initializing (I assume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 			 * it needs time to calibrate) and start responding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 			 * to Synaptics-specific queries, so let's wait a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 			 * bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 			ssleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 		ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 		error = synaptics_detect(psmouse, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 	} while (error && ++retry < 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 	if (retry > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 		psmouse_dbg(psmouse, "reconnected after %d tries\n", retry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	error = synaptics_query_hardware(psmouse, &info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 		psmouse_err(psmouse, "Unable to query device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 	error = synaptics_set_mode(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 		psmouse_err(psmouse, "Unable to initialize device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 	if (info.identity != priv->info.identity ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 	    info.model_id != priv->info.model_id ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 	    info.capabilities != priv->info.capabilities ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 	    info.ext_cap != priv->info.ext_cap) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 		psmouse_err(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 			    "hardware appears to be different: id(%u-%u), model(%u-%u), caps(%x-%x), ext(%x-%x).\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 			    priv->info.identity, info.identity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 			    priv->info.model_id, info.model_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 			    priv->info.capabilities, info.capabilities,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 			    priv->info.ext_cap, info.ext_cap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) static bool impaired_toshiba_kbc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) static const struct dmi_system_id toshiba_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) #if defined(CONFIG_DMI) && defined(CONFIG_X86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 		/* Toshiba Satellite */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 		/* Toshiba Dynabook */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 			DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 		/* Toshiba Portege M300 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 			DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 		/* Toshiba Portege M300 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 			DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 			DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) static bool broken_olpc_ec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) static const struct dmi_system_id olpc_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) #if defined(CONFIG_DMI) && defined(CONFIG_OLPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 		/* OLPC XO-1 or XO-1.5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 			DMI_MATCH(DMI_SYS_VENDOR, "OLPC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 			DMI_MATCH(DMI_PRODUCT_NAME, "XO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) static const struct dmi_system_id __initconst cr48_dmi_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) #if defined(CONFIG_DMI) && defined(CONFIG_X86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 		/* Cr-48 Chromebook (Codename Mario) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 		.matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 			DMI_MATCH(DMI_SYS_VENDOR, "IEC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 			DMI_MATCH(DMI_PRODUCT_NAME, "Mario"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) void __init synaptics_module_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	broken_olpc_ec = dmi_check_system(olpc_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	cr48_profile_sensor = dmi_check_system(cr48_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) static int synaptics_init_ps2(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 			      struct synaptics_device_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 			      bool absolute_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	struct synaptics_data *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 	synaptics_apply_quirks(psmouse, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 	priv->info = *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 	priv->absolute_mode = absolute_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 	if (SYN_ID_DISGEST_SUPPORTED(info->identity))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 		priv->disable_gesture = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 	 * Unfortunately ForcePad capability is not exported over PS/2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 	 * so we have to resort to checking PNP IDs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 	priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	err = synaptics_set_mode(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 		psmouse_err(psmouse, "Unable to initialize device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 		goto init_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	priv->pkt_type = SYN_MODEL_NEWABS(info->model_id) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 					SYN_NEWABS : SYN_OLDABS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 		     "Touchpad model: %lu, fw: %lu.%lu, id: %#x, caps: %#x/%#x/%#x/%#x, board id: %u, fw id: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 		     SYN_ID_MODEL(info->identity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 		     SYN_ID_MAJOR(info->identity), SYN_ID_MINOR(info->identity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 		     info->model_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 		     info->capabilities, info->ext_cap, info->ext_cap_0c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 		     info->ext_cap_10, info->board_id, info->firmware_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 	err = set_input_params(psmouse, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 		psmouse_err(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 			    "failed to set up capabilities: %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 		goto init_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 	 * Encode touchpad model so that it can be used to set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 	 * input device->id.version and be visible to userspace.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 	 * Because version is __u16 we have to drop something.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 	 * Hardware info bits seem to be good candidates as they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 	 * are documented to be for Synaptics corp. internal use.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 	psmouse->model = ((info->model_id & 0x00ff0000) >> 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 			  (info->model_id & 0x000000ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 	if (absolute_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 		psmouse->protocol_handler = synaptics_process_byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 		psmouse->pktsize = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 		/* Relative mode follows standard PS/2 mouse protocol */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 		psmouse->protocol_handler = psmouse_process_byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 		psmouse->pktsize = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 	psmouse->set_rate = synaptics_set_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 	psmouse->disconnect = synaptics_disconnect;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 	psmouse->reconnect = synaptics_reconnect;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 	psmouse->cleanup = synaptics_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 	/* Synaptics can usually stay in sync without extra help */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	psmouse->resync_time = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	if (SYN_CAP_PASS_THROUGH(info->capabilities))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 		synaptics_pt_create(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	 * Toshiba's KBC seems to have trouble handling data from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 	 * Synaptics at full rate.  Switch to a lower rate (roughly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 	 * the same rate as a standard PS/2 mouse).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 	if (psmouse->rate >= 80 && impaired_toshiba_kbc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 		psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 			     "Toshiba %s detected, limiting rate to 40pps.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 			     dmi_get_system_info(DMI_PRODUCT_NAME));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 		psmouse->rate = 40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 	if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(info->identity)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 		err = device_create_file(&psmouse->ps2dev.serio->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 					 &psmouse_attr_disable_gesture.dattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 		if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 			psmouse_err(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 				    "Failed to create disable_gesture attribute (%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 				    err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 			goto init_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654)  init_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 	kfree(priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 	struct synaptics_device_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	error = synaptics_query_hardware(psmouse, &info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 		psmouse_err(psmouse, "Unable to query device: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 	return synaptics_init_ps2(psmouse, &info, absolute_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) int synaptics_init_absolute(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	return __synaptics_init(psmouse, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) int synaptics_init_relative(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 	return __synaptics_init(psmouse, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) static int synaptics_setup_ps2(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 			       struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 	bool absolute_mode = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 	 * The OLPC XO has issues with Synaptics' absolute mode; the constant
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 	 * packet spew overloads the EC such that key presses on the keyboard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	 * are missed.  Given that, don't even attempt to use Absolute mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	 * Relative mode seems to work just fine.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 	if (broken_olpc_ec) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 		psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 			     "OLPC XO detected, forcing relative protocol.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 		absolute_mode = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	error = synaptics_init_ps2(psmouse, info, absolute_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 	return absolute_mode ? PSMOUSE_SYNAPTICS : PSMOUSE_SYNAPTICS_RELATIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) void __init synaptics_module_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) static int __maybe_unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) synaptics_setup_ps2(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 		    struct synaptics_device_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) #ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728)  * The newest Synaptics device can use a secondary bus (called InterTouch) which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729)  * provides a better bandwidth and allow a better control of the touchpads.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730)  * This is used to decide if we need to use this bus or not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 	SYNAPTICS_INTERTOUCH_NOT_SET = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 	SYNAPTICS_INTERTOUCH_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	SYNAPTICS_INTERTOUCH_ON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) static int synaptics_intertouch = IS_ENABLED(CONFIG_RMI4_SMB) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 		SYNAPTICS_INTERTOUCH_NOT_SET : SYNAPTICS_INTERTOUCH_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) static int synaptics_create_intertouch(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 				       struct synaptics_device_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 				       bool leave_breadcrumbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 	bool topbuttonpad =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 		!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	const struct rmi_device_platform_data pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 		.sensor_pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 			.sensor_type = rmi_sensor_touchpad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 			.axis_align.flip_y = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 			.kernel_tracking = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 			.topbuttonpad = topbuttonpad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 		.gpio_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 			.buttonpad = SYN_CAP_CLICKPAD(info->ext_cap_0c),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 			.trackstick_buttons =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 				!!SYN_CAP_EXT_BUTTONS_STICK(info->ext_cap_10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 	const struct i2c_board_info intertouch_board = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		I2C_BOARD_INFO("rmi4_smbus", 0x2c),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 		.flags = I2C_CLIENT_HOST_NOTIFY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 	return psmouse_smbus_init(psmouse, &intertouch_board,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 				  &pdata, sizeof(pdata), true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 				  leave_breadcrumbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774)  * synaptics_setup_intertouch - called once the PS/2 devices are enumerated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775)  * and decides to instantiate a SMBus InterTouch device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) static int synaptics_setup_intertouch(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 				      struct synaptics_device_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 				      bool leave_breadcrumbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 	if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 	if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 		if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 		    !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 			if (!psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 				psmouse_info(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 					     "Your touchpad (%s) says it can support a different bus. "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 					     "If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 					     psmouse->ps2dev.serio->firmware_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 			return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 	psmouse_info(psmouse, "Trying to set up SMBus access\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 	error = synaptics_create_intertouch(psmouse, info, leave_breadcrumbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 		if (error == -EAGAIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 			psmouse_info(psmouse, "SMbus companion is not ready yet\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 			psmouse_err(psmouse, "unable to create intertouch device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) int synaptics_init_smbus(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 	struct synaptics_device_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 	psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 	error = synaptics_query_hardware(psmouse, &info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 		psmouse_err(psmouse, "Unable to query device: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	if (!SYN_CAP_INTERTOUCH(info.ext_cap_0c))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 	return synaptics_create_intertouch(psmouse, &info, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) #else /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) static int __maybe_unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) synaptics_setup_intertouch(struct psmouse *psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 			   struct synaptics_device_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 			   bool leave_breadcrumbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 	return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) int synaptics_init_smbus(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) #endif /* CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) #if defined(CONFIG_MOUSE_PS2_SYNAPTICS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852)     defined(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) int synaptics_init(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 	struct synaptics_device_info info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 	int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	psmouse_reset(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	error = synaptics_query_hardware(psmouse, &info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 	if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 		psmouse_err(psmouse, "Unable to query device: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 		if ((!IS_ENABLED(CONFIG_RMI4_SMB) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 		     !IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 		    /* Forcepads need F21, which is not ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 		    !psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 			psmouse_warn(psmouse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 				     "The touchpad can support a better bus than the too old PS/2 protocol. "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 				     "Make sure MOUSE_PS2_SYNAPTICS_SMBUS and RMI4_SMB are enabled to get a better touchpad experience.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		error = synaptics_setup_intertouch(psmouse, &info, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		if (!error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 			return PSMOUSE_SYNAPTICS_SMBUS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 	retval = synaptics_setup_ps2(psmouse, &info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 	if (retval < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 		 * Not using any flavor of Synaptics support, so clean up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 		 * SMbus breadcrumbs, if any.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 		psmouse_smbus_cleanup(psmouse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) #else /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) int synaptics_init(struct psmouse *psmouse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 	return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) #endif /* CONFIG_MOUSE_PS2_SYNAPTICS || CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS */