Input: psmouse - allow disabing certain protocol extensions

Allow ALPS, LOGIPS2PP, LIFEBOOK, TRACKPOINT and TOUCHKIT protocol
extensions of psmouse to be disabled during compilation. This will
allow users save some memory when they are sure that they will only
use a certain type of mice.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 35d998c3e578a7194900c7e76567781ef32103b9..d0d0744579368b742306fba4959360bfb7c2eb90 100644 (file)
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -37,6 +37,65 @@ config MOUSE_PS2
          To compile this driver as a module, choose M here: the
          module will be called psmouse.
 
+config MOUSE_PS2_ALPS
+       bool "ALPS PS/2 mouse protocol extension" if EMBEDDED
+       default y
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have an ALPS PS/2 touchpad connected to
+         your system.
+
+         If unsure, say Y.
+
+config MOUSE_PS2_LOGIPS2PP
+       bool "Logictech PS/2++ mouse protocol extension" if EMBEDDED
+       default y
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have a Logictech PS/2++ mouse connected to
+         your system.
+
+         If unsure, say Y.
+
+config MOUSE_PS2_SYNAPTICS
+       bool "Synaptics PS/2 mouse protocol extension" if EMBEDDED
+       default y
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have a Synaptics PS/2 TouchPad connected to
+         your system.
+
+         If unsure, say Y.
+
+config MOUSE_PS2_LIFEBOOK
+       bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED
+       default y
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have a Fujitsu B-series Lifebook PS/2
+         TouchScreen connected to your system.
+
+         If unsure, say Y.
+
+config MOUSE_PS2_TRACKPOINT
+       bool "IBM Trackpoint PS/2 mouse protocol extension" if EMBEDDED
+       default y
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have an IBM Trackpoint PS/2 mouse connected
+         to your system.
+
+         If unsure, say Y.
+
+config MOUSE_PS2_TOUCHKIT
+       bool "eGalax TouchKit PS/2 protocol extension"
+       depends on MOUSE_PS2
+       ---help---
+         Say Y here if you have an eGalax TouchKit PS/2 touchscreen
+         connected to your system.
+
+         If unsure, say N.
+
 config MOUSE_SERIAL
        tristate "Serial mouse"
        select SERIO
@@ -118,7 +177,7 @@ config MOUSE_VSXXXAA
          digitizer (VSXXX-AB) DEC produced.
 
 config MOUSE_HIL
-       tristate "HIL pointers (mice etc)."     
+       tristate "HIL pointers (mice etc)."
        depends on GSC || HP300
        select HP_SDC
        select HIL_MLC

diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 6751179baeb8d6a44d9108041d7ba95881196a66..83477d5c7664c81b6330bea3a7d46d875aaefac4 100644 (file)
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -14,5 +14,10 @@ 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 lifebook.o \
-               trackpoint.o touchkit_ps2.o
+psmouse-objs := psmouse-base.o synaptics.o
+
+psmouse-$(CONFIG_MOUSE_PS2_ALPS)       += alps.o
+psmouse-$(CONFIG_MOUSE_PS2_LOGIPS2PP)  += logips2pp.o
+psmouse-$(CONFIG_MOUSE_PS2_LIFEBOOK)   += lifebook.o
+psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o
+psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT)   += touchkit_ps2.o

diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index 69db7325a4944a79dc2aef6a925cdb329a262a24..f85ac40ec941feb1c2be1c3eeb26699f8fdf2f90 100644 (file)
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -12,9 +12,6 @@
 #ifndef _ALPS_H
 #define _ALPS_H
 
-int alps_detect(struct psmouse *psmouse, int set_properties);
-int alps_init(struct psmouse *psmouse);
-
 struct alps_model_info {
         unsigned char signature[3];
         unsigned char byte0, mask0;
@@ -29,4 +26,18 @@ struct alps_data {
        int prev_fin;                   /* Finger bit from previous packet */
 };
 
+#ifdef CONFIG_MOUSE_PS2_ALPS
+int alps_detect(struct psmouse *psmouse, int set_properties);
+int alps_init(struct psmouse *psmouse);
+#else
+inline int alps_detect(struct psmouse *psmouse, int set_properties)
+{
+       return -ENOSYS;
+}
+inline int alps_init(struct psmouse *psmouse)
+{
+       return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_ALPS */
+
 #endif

diff --git a/drivers/input/mouse/lifebook.h b/drivers/input/mouse/lifebook.h
index be1c0943825d85650894b9cd3f01d64c18eb3bc4..c1647cf036c25e8ebe7e0962f0139342f5af8dff 100644 (file)
--- a/drivers/input/mouse/lifebook.h
+++ b/drivers/input/mouse/lifebook.h
@@ -11,7 +11,18 @@
 #ifndef _LIFEBOOK_H
 #define _LIFEBOOK_H
 
+#ifdef CONFIG_MOUSE_PS2_LIFEBOOK
 int lifebook_detect(struct psmouse *psmouse, int set_properties);
 int lifebook_init(struct psmouse *psmouse);
+#else
+inline int lifebook_detect(struct psmouse *psmouse, int set_properties)
+{
+       return -ENOSYS;
+}
+inline int lifebook_init(struct psmouse *psmouse)
+{
+       return -ENOSYS;
+}
+#endif
 
 #endif

diff --git a/drivers/input/mouse/logips2pp.h b/drivers/input/mouse/logips2pp.h
index 64a8ec52ea6db96372ac7c8e43a076617aa8c908..6e5712525fd618b9475a92488ec6177c847f076e 100644 (file)
--- a/drivers/input/mouse/logips2pp.h
+++ b/drivers/input/mouse/logips2pp.h
@@ -11,6 +11,13 @@
 #ifndef _LOGIPS2PP_H
 #define _LOGIPS2PP_H
 
+#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
 int ps2pp_init(struct psmouse *psmouse, int set_properties);
+#else
+inline int ps2pp_init(struct psmouse *psmouse, int set_properties)
+{
+       return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_LOGIPS2PP */
 
 #endif

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 33a3251e07668e58c60a6210ce73f7bc053dd84b..e6c9e7bb1f997b08a35d5c114e8b5c6b02c22c89 100644 (file)
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -570,7 +570,9 @@ static int psmouse_extensions(struct psmouse *psmouse,
                return PSMOUSE_THINKPS;
 
 /*
- * Try Synaptics TouchPad
+ * Try Synaptics TouchPad. Note that probing is done even if Synaptics protocol
+ * support is disabled in config - we need to know if it is synaptics so we
+ * can reset it properly after probing for intellimouse.
  */
        if (max_proto > PSMOUSE_PS2 && synaptics_detect(psmouse, set_properties) == 0) {
                synaptics_hardware = 1;
@@ -661,12 +663,14 @@ static const struct psmouse_protocol psmouse_protocols[] = {
                .maxproto       = 1,
                .detect         = ps2bare_detect,
        },
+#ifdef CONFIG_MOUSE_PS2_LOGIPS2PP
        {
                .type           = PSMOUSE_PS2PP,
                .name           = "PS2++",
                .alias          = "logitech",
                .detect         = ps2pp_init,
        },
+#endif
        {
                .type           = PSMOUSE_THINKPS,
                .name           = "ThinkPS/2",
@@ -693,6 +697,7 @@ static const struct psmouse_protocol psmouse_protocols[] = {
                .maxproto       = 1,
                .detect         = im_explorer_detect,
        },
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
        {
                .type           = PSMOUSE_SYNAPTICS,
                .name           = "SynPS/2",
@@ -700,6 +705,8 @@ static const struct psmouse_protocol psmouse_protocols[] = {
                .detect         = synaptics_detect,
                .init           = synaptics_init,
        },
+#endif
+#ifdef CONFIG_MOUSE_PS2_ALPS
        {
                .type           = PSMOUSE_ALPS,
                .name           = "AlpsPS/2",
@@ -707,24 +714,31 @@ static const struct psmouse_protocol psmouse_protocols[] = {
                .detect         = alps_detect,
                .init           = alps_init,
        },
+#endif
+#ifdef CONFIG_MOUSE_PS2_LIFEBOOK
        {
                .type           = PSMOUSE_LIFEBOOK,
                .name           = "LBPS/2",
                .alias          = "lifebook",
                .init           = lifebook_init,
        },
+#endif
+#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
        {
                .type           = PSMOUSE_TRACKPOINT,
                .name           = "TPPS/2",
                .alias          = "trackpoint",
                .detect         = trackpoint_detect,
        },
+#endif
+#ifdef CONFIG_MOUSE_PS2_TOUCHKIT
        {
                .type           = PSMOUSE_TOUCHKIT_PS2,
                .name           = "touchkitPS/2",
                .alias          = "touchkit",
                .detect         = touchkit_ps2_detect,
        },
+#endif
        {
                .type           = PSMOUSE_AUTO,
                .name           = "auto",

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index f0f9413d762c9a36b5e9c6f4db3afbb4d8a82eeb..e42a0a4345ac13371a537e605b15ad4333d49f44 100644 (file)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -40,33 +40,70 @@
 #define YMIN_NOMINAL 1408
 #define YMAX_NOMINAL 4448
 
+
 /*****************************************************************************
- *     Synaptics communications functions
+ *     Stuff we need even when we do not want native Synaptics support
  ****************************************************************************/
 
 /*
- * Send a command to the synpatics touchpad by special commands
+ * Set the synaptics touchpad mode byte by special commands
  */
-static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
+static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
 {
-       if (psmouse_sliced_command(psmouse, c))
+       unsigned char param[1];
+
+       if (psmouse_sliced_command(psmouse, mode))
                return -1;
-       if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
+       param[0] = SYN_PS_SET_MODE2;
+       if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
                return -1;
        return 0;
 }
 
+int synaptics_detect(struct psmouse *psmouse, int set_properties)
+{
+       struct ps2dev *ps2dev = &psmouse->ps2dev;
+       unsigned char param[4];
+
+       param[0] = 0;
+
+       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+       ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
+
+       if (param[1] != 0x47)
+               return -ENODEV;
+
+       if (set_properties) {
+               psmouse->vendor = "Synaptics";
+               psmouse->name = "TouchPad";
+       }
+
+       return 0;
+}
+
+void synaptics_reset(struct psmouse *psmouse)
+{
+       /* reset touchpad back to relative mode, gestures enabled */
+       synaptics_mode_cmd(psmouse, 0);
+}
+
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+
+/*****************************************************************************
+ *     Synaptics communications functions
+ ****************************************************************************/
+
 /*
- * Set the synaptics touchpad mode byte by special commands
+ * Send a command to the synpatics touchpad by special commands
  */
-static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
+static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
 {
-       unsigned char param[1];
-
-       if (psmouse_sliced_command(psmouse, mode))
+       if (psmouse_sliced_command(psmouse, c))
                return -1;
-       param[0] = SYN_PS_SET_MODE2;
-       if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
+       if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
                return -1;
        return 0;
 }
@@ -529,12 +566,6 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
        clear_bit(REL_Y, dev->relbit);
 }
 
-void synaptics_reset(struct psmouse *psmouse)
-{
-       /* reset touchpad back to relative mode, gestures enabled */
-       synaptics_mode_cmd(psmouse, 0);
-}
-
 static void synaptics_disconnect(struct psmouse *psmouse)
 {
        synaptics_reset(psmouse);
@@ -569,30 +600,6 @@ static int synaptics_reconnect(struct psmouse *psmouse)
        return 0;
 }
 
-int synaptics_detect(struct psmouse *psmouse, int set_properties)
-{
-       struct ps2dev *ps2dev = &psmouse->ps2dev;
-       unsigned char param[4];
-
-       param[0] = 0;
-
-       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
-       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
-       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
-       ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
-       ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
-
-       if (param[1] != 0x47)
-               return -1;
-
-       if (set_properties) {
-               psmouse->vendor = "Synaptics";
-               psmouse->name = "TouchPad";
-       }
-
-       return 0;
-}
-
 #if defined(__i386__)
 #include <linux/dmi.h>
 static struct dmi_system_id toshiba_dmi_table[] = {
@@ -680,4 +687,12 @@ int synaptics_init(struct psmouse *psmouse)
        return -1;
 }
 
+#else /* CONFIG_MOUSE_PS2_SYNAPTICS */
+
+int synaptics_init(struct psmouse *psmouse)
+{
+       return -ENOSYS;
+}
+
+#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
 

diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 68fff1dcd7de654c8bd3dcc074c1010bc77c28c1..02aa4cf7bc77f071dab98b2380e3e81a8727f02b 100644 (file)
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -9,10 +9,6 @@
 #ifndef _SYNAPTICS_H
 #define _SYNAPTICS_H
 
-extern int synaptics_detect(struct psmouse *psmouse, int set_properties);
-extern int synaptics_init(struct psmouse *psmouse);
-extern void synaptics_reset(struct psmouse *psmouse);
-
 /* synaptics queries */
 #define SYN_QUE_IDENTIFY               0x00
 #define SYN_QUE_MODES                  0x01
@@ -62,9 +58,9 @@ extern void synaptics_reset(struct psmouse *psmouse);
 #define SYN_MODE_WMODE(m)              ((m) & (1 << 0))
 
 /* synaptics identify query bits */
-#define SYN_ID_MODEL(i)                (((i) >> 4) & 0x0f)
-#define SYN_ID_MAJOR(i)                ((i) & 0x0f)
-#define SYN_ID_MINOR(i)                (((i) >> 16) & 0xff)
+#define SYN_ID_MODEL(i)                        (((i) >> 4) & 0x0f)
+#define SYN_ID_MAJOR(i)                        ((i) & 0x0f)
+#define SYN_ID_MINOR(i)                        (((i) >> 16) & 0xff)
 #define SYN_ID_IS_SYNAPTICS(i)         ((((i) >> 8) & 0xff) == 0x47)
 
 /* synaptics special commands */
@@ -98,8 +94,8 @@ struct synaptics_hw_state {
 struct synaptics_data {
        /* Data read from the touchpad */
        unsigned long int model_id;             /* Model-ID */
-       unsigned long int capabilities;         /* Capabilities */
-       unsigned long int ext_cap;              /* Extended Capabilities */
+       unsigned long int capabilities;         /* Capabilities */
+       unsigned long int ext_cap;              /* Extended Capabilities */
        unsigned long int identity;             /* Identification */
 
        unsigned char pkt_type;                 /* packet type - old, new, etc */
@@ -107,4 +103,8 @@ struct synaptics_data {
        int scroll;
 };
 
+int synaptics_detect(struct psmouse *psmouse, int set_properties);
+int synaptics_init(struct psmouse *psmouse);
+void synaptics_reset(struct psmouse *psmouse);
+
 #endif /* _SYNAPTICS_H */

diff --git a/drivers/input/mouse/touchkit_ps2.h b/drivers/input/mouse/touchkit_ps2.h
index 3f03fbcaf8f01a806fc90043590ab7f8c31724f9..61e9dfd8419f41c23dbd873173139715045e3211 100644 (file)
--- a/drivers/input/mouse/touchkit_ps2.h
+++ b/drivers/input/mouse/touchkit_ps2.h
@@ -12,6 +12,13 @@
 #ifndef _TOUCHKIT_PS2_H
 #define _TOUCHKIT_PS2_H
 
+#ifdef CONFIG_MOUSE_PS2_TOUCHKIT
 int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties);
+#else
+inline int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties)
+{
+       return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_TOUCHKIT */
 
 #endif

diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 050298b1a09d214b6ecf2bd7ffa09255d86364e5..c10a6e7d01011bdfa6bbceb16fcf0cddb72dc3ce 100644 (file)
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -142,6 +142,13 @@ struct trackpoint_data
        unsigned char ext_dev;
 };
 
-extern int trackpoint_detect(struct psmouse *psmouse, int set_properties);
+#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
+int trackpoint_detect(struct psmouse *psmouse, int set_properties);
+#else
+inline int trackpoint_detect(struct psmouse *psmouse, int set_properties)
+{
+       return -ENOSYS;
+}
+#endif /* CONFIG_MOUSE_PS2_TRACKPOINT */
 
 #endif /* _TRACKPOINT_H */