Input: Add Fujitsu Lifebook B-series touchscreen driver.
Kenan Esau [Sun, 29 May 2005 07:30:22 +0000 (02:30 -0500)]
From: Kenan Esau <kenan.esau@conan.de>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

Documentation/kernel-parameters.txt
drivers/input/mouse/Makefile
drivers/input/mouse/lifebook.c [new file with mode: 0644]
drivers/input/mouse/lifebook.h [new file with mode: 0644]
drivers/input/mouse/psmouse-base.c
drivers/input/mouse/psmouse.h

index 4924d38..1a50d03 100644 (file)
@@ -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=
index a786419..c4909b4 100644 (file)
@@ -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
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
new file mode 100644 (file)
index 0000000..5b88838
--- /dev/null
@@ -0,0 +1,126 @@
+/*
+ * 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);
+}
diff --git a/drivers/input/mouse/lifebook.h b/drivers/input/mouse/lifebook.h
new file mode 100644 (file)
index 0000000..11489b4
--- /dev/null
@@ -0,0 +1,17 @@
+/*
+ * 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
index 019034b..abb575f 100644 (file)
@@ -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.
  */
index 7e3adc1..4848be6 100644 (file)
@@ -77,6 +77,7 @@ enum psmouse_type {
        PSMOUSE_IMEX,
        PSMOUSE_SYNAPTICS,
        PSMOUSE_ALPS,
+       PSMOUSE_LIFEBOOK,
 };
 
 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);