Input: Add Fujitsu Lifebook B-series touchscreen driver. (02d7f589) · Commits · e / devices / android_kernel_xiaomi_markw

Documentation/kernel-parameters.txt

+1 −1

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		@@ -1104,7 +1104,7 @@ running once the system is up.
		See Documentation/ramdisk.txt.

		psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to
		probe for (bare\|imps\|exps).
		probe for (bare\|imps\|exps\|lifebook\|any).
		psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports
		per second.
		psmouse.resetafter=

drivers/input/mouse/Makefile

+1 −1

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		@@ -15,4 +15,4 @@ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
		obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
		obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o

		psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o
		psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o lifebook.o

drivers/input/mouse/lifebook.c

0 → 100644

+126 −0

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		/*
		* Fujitsu B-series Lifebook PS/2 TouchScreen driver
		*
		* Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
		* Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de>
		*
		* TouchScreen detection, absolute mode setting and packet layout is taken from
		* Harald Hoyer's description of the device.
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms of the GNU General Public License version 2 as published by
		* the Free Software Foundation.
		*/

		#include <linux/input.h>
		#include <linux/serio.h>
		#include <linux/libps2.h>
		#include <linux/dmi.h>

		#include "psmouse.h"
		#include "lifebook.h"

		static int max_y = 1024;


		static struct dmi_system_id lifebook_dmi_table[] = {
		{
		.ident = "Fujitsu Siemens Lifebook B-Sereis",
		.matches = {
		DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
		},
		},
		{ }
		};


		static psmouse_ret_t lifebook_process_byte(struct psmouse psmouse, struct pt_regs regs)
		{
		unsigned char *packet = psmouse->packet;
		struct input_dev *dev = &psmouse->dev;

		if ( psmouse->pktcnt != 3 )
		return PSMOUSE_GOOD_DATA;

		input_regs(dev, regs);

		/* calculate X and Y */
		if ((packet[0] & 0x08) == 0x00) {
		input_report_abs(dev, ABS_X,
		(packet[1] \| ((packet[0] & 0x30) << 4)));
		input_report_abs(dev, ABS_Y,
		max_y - (packet[2] \| ((packet[0] & 0xC0) << 2)));
		} else {
		input_report_rel(dev, REL_X,
		((packet[0] & 0x10) ? packet[1]-256 : packet[1]));
		input_report_rel(dev, REL_Y,
		(- (int)((packet[0] & 0x20) ? packet[2]-256 : packet[2])));
		}

		input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
		input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
		input_report_key(dev, BTN_TOUCH, packet[0] & 0x04);

		input_sync(dev);

		return PSMOUSE_FULL_PACKET;
		}

		static int lifebook_initialize(struct psmouse *psmouse)
		{
		struct ps2dev *ps2dev = &psmouse->ps2dev;
		unsigned char param;

		if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
		return -1;

		if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_BAT))
		return -1;

		/*
		Enable absolute output -- ps2_command fails always but if
		you leave this call out the touchsreen will never send
		absolute coordinates
		*/
		param = 0x07;
		ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);

		psmouse->set_rate(psmouse, psmouse->rate);
		psmouse->set_resolution(psmouse, psmouse->resolution);

		if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE))
		return -1;

		return 0;
		}

		static void lifebook_disconnect(struct psmouse *psmouse)
		{
		psmouse_reset(psmouse);
		}

		int lifebook_detect(struct psmouse *psmouse, unsigned int max_proto,
		int set_properties)
		{
		if (!dmi_check_system(lifebook_dmi_table) &&
		(max_proto != PSMOUSE_LIFEBOOK) )
		return -1;

		if (set_properties) {
		psmouse->vendor = "Fujitsu Lifebook";
		psmouse->name = "TouchScreen";
		psmouse->dev.evbit[0] = BIT(EV_ABS) \| BIT(EV_KEY) \| BIT(EV_REL);
		psmouse->dev.keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) \| BIT(BTN_MIDDLE) \| BIT(BTN_RIGHT);
		psmouse->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
		psmouse->dev.relbit[0] = BIT(REL_X) \| BIT(REL_Y);
		input_set_abs_params(&psmouse->dev, ABS_X, 0, 1024, 0, 0);
		input_set_abs_params(&psmouse->dev, ABS_Y, 0, 1024, 0, 0);

		psmouse->protocol_handler = lifebook_process_byte;
		psmouse->disconnect = lifebook_disconnect;
		psmouse->reconnect = lifebook_initialize;
		psmouse->pktsize = 3;
		}

		return lifebook_initialize(psmouse);
		}

drivers/input/mouse/lifebook.h

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		/*
		* Fujitsu B-series Lifebook PS/2 TouchScreen driver
		*
		* Copyright (c) 2005 Vojtech Pavlik
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms of the GNU General Public License version 2 as published by
		* the Free Software Foundation.
		*/

		#ifndef _LIFEBOOK_H
		#define _LIFEBOOK_H

		int lifebook_detect(struct psmouse *psmouse, unsigned int max_proto,
		int set_properties);

		#endif

drivers/input/mouse/psmouse-base.c

+9 −3

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include "synaptics.h"
		#include "logips2pp.h"
		#include "alps.h"
		#include "lifebook.h"

		#define DRIVER_DESC "PS/2 mouse driver"

		@@ -34,12 +35,12 @@ MODULE_LICENSE("GPL");
		static unsigned int psmouse_max_proto = -1U;
		static int psmouse_set_maxproto(const char val, struct kernel_param kp);
		static int psmouse_get_maxproto(char buffer, struct kernel_param kp);
		static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, NULL };
		static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, "lifebook" };
		#define param_check_proto_abbrev(name, p) __param_check(name, p, unsigned int)
		#define param_set_proto_abbrev psmouse_set_maxproto
		#define param_get_proto_abbrev psmouse_get_maxproto
		module_param_named(proto, psmouse_max_proto, proto_abbrev, 0644);
		MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, any). Useful for KVM switches.");
		MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, lifebook, any). Useful for KVM switches.");

		static unsigned int psmouse_resolution = 200;
		module_param_named(resolution, psmouse_resolution, uint, 0644);
		@@ -67,7 +68,7 @@ __obsolete_setup("psmouse_smartscroll=");
		__obsolete_setup("psmouse_resetafter=");
		__obsolete_setup("psmouse_rate=");

		static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2" };
		static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2", "LBPS/2" };

		/*
		* psmouse_process_byte() analyzes the PS/2 data stream and reports
		@@ -423,6 +424,9 @@ static int psmouse_extensions(struct psmouse *psmouse,
		{
		int synaptics_hardware = 0;

		if (lifebook_detect(psmouse, max_proto, set_properties) == 0)
		return PSMOUSE_LIFEBOOK;

		/*
		* Try Kensington ThinkingMouse (we try first, because synaptics probe
		* upsets the thinkingmouse).
		@@ -575,6 +579,8 @@ static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate)

		static void psmouse_initialize(struct psmouse *psmouse)
		{
		if (psmouse->type==PSMOUSE_LIFEBOOK)
		return;
		/*
		* We set the mouse into streaming mode.
		*/