Skip to content

L
linux
Commit afa1823e authored by Helge Deller's avatar Helge Deller Committed by Vojtech Pavlik
Browse files
Options

input: Convert HP/PARISC Lasi/Dino PS/2 keyboard/mouse driver 

       from an input driver to a serio driver.
parent fa6fa2d0
Hide whitespace changes
Inline Side-by-side
Showing with 580 additions and 805 deletions
drivers/input/keyboard/Kconfig
View file @ afa1823e
......@@ -17,6 +17,7 @@ config KEYBOARD_ATKBD
depends on INPUT && INPUT_KEYBOARD
select SERIO
select SERIO_I8042 if PC
select SERIO_GSCPS2 if GSC
help
Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
you'll need this, unless you have a different type keyboard (USB, ADB
......
drivers/input/keyboard/hpps2atkbd.h
View file @ afa1823e
......@@ -4,14 +4,9 @@
* Copyright (c) 2004 Helge Deller <deller@gmx.de>
* Copyright (c) 2002 Laurent Canet <canetl@esiee.fr>
* Copyright (c) 2002 Thibaut Varene <varenet@esiee.fr>
* Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr>
*
* based on linux-2.4's hp_mouse.c & hp_keyb.c
* Copyright (c) 1999 Alex deVries <adevries@thepuffingroup.com>
* Copyright (c) 1999-2000 Philipp Rumpf <prumpf@tux.org>
* Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr>
* Copyright (c) 2000-2001 Thomas Marteau <marteaut@esiee.fr>
*
* HP PS/2 AT-compatible Keyboard, found in PA/RISC Workstations
* HP PS/2 AT-compatible Keyboard, found in PA/RISC Workstations & Laptops
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
......@@ -19,87 +14,100 @@
*/
#define KBD_UNKNOWN 0
/* Raw SET 2 scancode table */
/* undefine if you have a RDI PRECISIONBOOK */
#define STANDARD_KEYBOARD
#if 0
/* conflicting keys between a RDI Precisionbook keyboard and a normal HP keyboard */
keytable[0x07] = KEY_F1; /* KEY_F12 */
keytable[0x11] = KEY_LEFTCTRL; /* KEY_LEFTALT */
keytable[0x14] = KEY_CAPSLOCK; /* KEY_LEFTCTRL */
keytable[0x61] = KEY_LEFT; /* KEY_102ND */
#if defined(STANDARD_KEYBOARD)
# define CONFLICT(x,y) x
#else
# define CONFLICT(x,y) y
#endif
/* sadly RDI (Tadpole) decided to ship a different keyboard layout
than HP for their PS/2 laptop keyboard which leads to conflicting
keycodes between a normal HP PS/2 keyboard and a RDI Precisionbook.
HP: RDI: */
#define C_07 CONFLICT( KEY_F12, KEY_F1 )
#define C_11 CONFLICT( KEY_LEFTALT, KEY_LEFTCTRL )
#define C_14 CONFLICT( KEY_LEFTCTRL, KEY_CAPSLOCK )
#define C_58 CONFLICT( KEY_CAPSLOCK, KEY_RIGHTCTRL )
#define C_61 CONFLICT( KEY_102ND, KEY_LEFT )
/* Raw SET 2 scancode table */
static unsigned char atkbd_set2_keycode[512] = {
/* 00 */ KEY_RESERVED, KEY_F9, KEY_RESERVED, KEY_F5, KEY_F3, KEY_F1, KEY_F2, C_07,
/* 08 */ KEY_ESC, KEY_F10, KEY_F8, KEY_F6, KEY_F4, KEY_TAB, KEY_GRAVE, KEY_F2,
/* 10 */ KEY_RESERVED, C_11, KEY_LEFTSHIFT, KEY_RESERVED, C_14, KEY_Q, KEY_1, KEY_F3,
/* 18 */ KEY_RESERVED, KEY_LEFTALT, KEY_Z, KEY_S, KEY_A, KEY_W, KEY_2, KEY_F4,
/* 20 */ KEY_RESERVED, KEY_C, KEY_X, KEY_D, KEY_E, KEY_4, KEY_3, KEY_F5,
/* 28 */ KEY_RESERVED, KEY_SPACE, KEY_V, KEY_F, KEY_T, KEY_R, KEY_5, KEY_F6,
/* 30 */ KEY_RESERVED, KEY_N, KEY_B, KEY_H, KEY_G, KEY_Y, KEY_6, KEY_F7,
/* 38 */ KEY_RESERVED, KEY_RIGHTALT, KEY_M, KEY_J, KEY_U, KEY_7, KEY_8, KEY_F8,
/* 40 */ KEY_RESERVED, KEY_COMMA, KEY_K, KEY_I, KEY_O, KEY_0, KEY_9, KEY_F9,
/* 48 */ KEY_RESERVED, KEY_DOT, KEY_SLASH, KEY_L, KEY_SEMICOLON, KEY_P, KEY_MINUS, KEY_F10,
/* 50 */ KEY_RESERVED, KEY_RESERVED, KEY_APOSTROPHE,KEY_RESERVED, KEY_LEFTBRACE, KEY_EQUAL, KEY_F11, KEY_SYSRQ,
/* 58 */ C_58, KEY_RIGHTSHIFT,KEY_ENTER, KEY_RIGHTBRACE,KEY_BACKSLASH, KEY_BACKSLASH,KEY_F12, KEY_SCROLLLOCK,
/* 60 */ KEY_DOWN, C_61, KEY_PAUSE, KEY_UP, KEY_DELETE, KEY_END, KEY_BACKSPACE, KEY_INSERT,
/* 68 */ KEY_RESERVED, KEY_KP1, KEY_RIGHT, KEY_KP4, KEY_KP7, KEY_PAGEDOWN, KEY_HOME, KEY_PAGEUP,
/* 70 */ KEY_KP0, KEY_KPDOT, KEY_KP2, KEY_KP5, KEY_KP6, KEY_KP8, KEY_ESC, KEY_NUMLOCK,
/* 78 */ KEY_F11, KEY_KPPLUS, KEY_KP3, KEY_KPMINUS, KEY_KPASTERISK,KEY_KP9, KEY_SCROLLLOCK,KEY_103RD,
/* 80 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 88 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 90 */ KEY_RESERVED, KEY_RIGHTALT, KEY_SYSRQ, KEY_RESERVED, KEY_RIGHTCTRL, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 98 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_CAPSLOCK, KEY_RESERVED, KEY_LEFTMETA,
/* a0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RIGHTMETA,
/* a8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_COMPOSE,
/* b0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* b8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* c0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* c8 */ KEY_RESERVED, KEY_RESERVED, KEY_KPSLASH, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* d0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* d8 */ KEY_RESERVED, KEY_RESERVED, KEY_KPENTER, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* e0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* e8 */ KEY_RESERVED, KEY_END, KEY_RESERVED, KEY_LEFT, KEY_HOME, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* f0 */ KEY_INSERT, KEY_DELETE, KEY_DOWN, KEY_RESERVED, KEY_RIGHT, KEY_UP, KEY_RESERVED, KEY_PAUSE,
/* f8 */ KEY_RESERVED, KEY_RESERVED, KEY_PAGEDOWN, KEY_RESERVED, KEY_SYSRQ, KEY_PAGEUP, KEY_RESERVED, KEY_RESERVED,
/* 00 */ KBD_UNKNOWN, KEY_F9, KBD_UNKNOWN, KEY_F5, KEY_F3, KEY_F1, KEY_F2, KEY_F1,
/* 08 */ KEY_ESC, KEY_F10, KEY_F8, KEY_F6, KEY_F4, KEY_TAB, KEY_GRAVE, KEY_F2,
/* 10 */ KBD_UNKNOWN, KEY_LEFTCTRL, KEY_LEFTSHIFT, KBD_UNKNOWN, KEY_CAPSLOCK, KEY_Q, KEY_1, KEY_F3,
/* 18 */ KBD_UNKNOWN, KEY_LEFTALT, KEY_Z, KEY_S, KEY_A, KEY_W, KEY_2, KEY_F4,
/* 20 */ KBD_UNKNOWN, KEY_C, KEY_X, KEY_D, KEY_E, KEY_4, KEY_3, KEY_F5,
/* 28 */ KBD_UNKNOWN, KEY_SPACE, KEY_V, KEY_F, KEY_T, KEY_R, KEY_5, KEY_F6,
/* 30 */ KBD_UNKNOWN, KEY_N, KEY_B, KEY_H, KEY_G, KEY_Y, KEY_6, KEY_F7,
/* 38 */ KBD_UNKNOWN, KEY_RIGHTALT, KEY_M, KEY_J, KEY_U, KEY_7, KEY_8, KEY_F8,
/* 40 */ KBD_UNKNOWN, KEY_COMMA, KEY_K, KEY_I, KEY_O, KEY_0, KEY_9, KEY_F9,
/* 48 */ KBD_UNKNOWN, KEY_DOT, KEY_SLASH, KEY_L, KEY_SEMICOLON, KEY_P, KEY_MINUS, KEY_F10,
/* 50 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_APOSTROPHE,KBD_UNKNOWN, KEY_LEFTBRACE, KEY_EQUAL, KEY_F11, KEY_SYSRQ,
/* 58 */ KEY_CAPSLOCK, KEY_RIGHTSHIFT,KEY_ENTER, KEY_RIGHTBRACE,KEY_BACKSLASH, KEY_BACKSLASH,KEY_F12, KEY_SCROLLLOCK,
/* 60 */ KEY_DOWN, KEY_LEFT, KEY_PAUSE, KEY_UP, KEY_DELETE, KEY_END, KEY_BACKSPACE, KEY_INSERT,
/* 68 */ KBD_UNKNOWN, KEY_KP1, KEY_RIGHT, KEY_KP4, KEY_KP7, KEY_PAGEDOWN, KEY_HOME, KEY_PAGEUP,
/* 70 */ KEY_KP0, KEY_KPDOT, KEY_KP2, KEY_KP5, KEY_KP6, KEY_KP8, KEY_ESC, KEY_NUMLOCK,
/* 78 */ KEY_F11, KEY_KPPLUS, KEY_KP3, KEY_KPMINUS, KEY_KPASTERISK,KEY_KP9, KEY_SCROLLLOCK,KEY_103RD,
/* 80 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 88 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 90 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 98 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* These are offset for escaped keycodes: */
/* These are offset for escaped keycodes: */
/* 00 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_F7, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 08 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_LEFTMETA, KEY_RIGHTMETA, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 10 */ KEY_RESERVED, KEY_RIGHTALT, KEY_RESERVED, KEY_RESERVED, KEY_RIGHTCTRL, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 18 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 20 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 28 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 30 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 38 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 40 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 48 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 50 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 58 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 60 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 68 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 70 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 78 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 80 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 88 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 90 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* 98 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* a0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* a8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* b0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* b8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* c0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* c8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* d0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* d8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* e0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* e8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* f0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
/* f8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED
/* 00 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KEY_F7, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 08 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KEY_LEFTMETA, KEY_RIGHTMETA, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 10 */ KBD_UNKNOWN, KEY_RIGHTALT, KBD_UNKNOWN, KBD_UNKNOWN, KEY_RIGHTCTRL, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 18 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 20 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 28 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 30 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 38 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 40 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 48 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_KPSLASH, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 50 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 58 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_KPENTER, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 60 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 68 */ KBD_UNKNOWN, KEY_END, KBD_UNKNOWN, KEY_LEFT, KEY_HOME, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 70 */ KEY_INSERT, KEY_DELETE, KEY_DOWN, KBD_UNKNOWN, KEY_RIGHT, KEY_UP, KBD_UNKNOWN, KBD_UNKNOWN,
/* 78 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_PAGEDOWN, KBD_UNKNOWN, KEY_SYSRQ, KEY_PAGEUP, KBD_UNKNOWN, KBD_UNKNOWN,
/* 80 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 88 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 90 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 98 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN
#undef STANDARD_KEYBOARD
#undef CONFLICT
#undef C_07
#undef C_11
#undef C_14
#undef C_58
#undef C_61
};
drivers/input/misc/Kconfig
View file @ afa1823e
......@@ -54,12 +54,3 @@ config INPUT_UINPUT
To compile this driver as a module, choose M here: the
module will be called uinput.
config INPUT_GSC
tristate "PA-RISC GSC PS/2 keyboard/mouse support"
depends on GSC && INPUT && INPUT_MISC
help
Say Y here if you have a PS/2 keyboard and/or mouse attached
to your PA-RISC box. HP run the keyboard in AT mode rather than
XT mode like everyone else, so we need our own driver.
Furthermore, the GSC PS/2 controller shares IRQ between mouse and
keyboard.
drivers/input/misc/Makefile
View file @ afa1823e
......@@ -9,4 +9,3 @@ obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
obj-$(CONFIG_INPUT_98SPKR) += 98spkr.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_GSC) += gsc_ps2.o
drivers/input/misc/gsc_ps2.c deleted 100644 → 0
View file @ fa6fa2d0
/*
* drivers/input/misc/gsc_ps2.c
*
* Copyright (c) 2002 Laurent Canet <canetl@esiee.fr>
* Copyright (c) 2002 Thibaut Varene <varenet@esiee.fr>
*
* Pieces of code based on linux-2.4's hp_mouse.c & hp_keyb.c
* Copyright (c) 1999 Alex deVries <adevries@thepuffingroup.com>
* Copyright (c) 1999-2000 Philipp Rumpf <prumpf@tux.org>
* Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr>
* Copyright (c) 2000-2001 Thomas Marteau <marteaut@esiee.fr>
*
* HP PS/2 Keyboard, found in PA/RISC Workstations
* very similar to AT keyboards, but without i8042
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* STATUS:
* 11/09: lc: Only basic keyboard is supported, mouse still needs to be done.
* 11/12: tv: switching iomapping; cleaning code; improving module stuff.
* 11/13: lc & tv: leds aren't working. auto_repeat/meta are. Generaly good behavior.
* 11/15: tv: 2AM: leds ARE working !
* 11/16: tv: 3AM: escaped keycodes emulation *handled*, some keycodes are
* still deliberately ignored (18), what are they used for ?
* 11/21: lc: mouse is now working
* 11/29: tv: first try for error handling in init sequence
*
* TODO:
* Error handling in init sequence
* SysRq handling
* Pause key handling
* Intellimouse & other rodents handling (at least send an error when
* such a mouse is plugged : it will totally fault)
* Mouse: set scaling / Dino testing
* Bug chasing...
*
*/
#include <linux/input.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/ptrace.h> /* interrupt.h wants struct pt_regs defined */
#include <linux/interrupt.h>
#include <linux/sched.h> /* for request_irq/free_irq */
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/kd.h>
#include <linux/pci_ids.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/parisc-device.h>
/* Debugging stuff */
#undef KBD_DEBUG
#ifdef KBD_DEBUG
#define DPRINTK(fmt,args...) printk(KERN_DEBUG __FILE__ ":" fmt, ##args)
#else
#define DPRINTK(x,...)
#endif
/*
* Driver constants
*/
/* PS/2 keyboard and mouse constants */
#define AUX_RECONNECT 0xAA /* PS/2 Mouse end of test successful */
#define AUX_REPLY_ACK 0xFA
#define AUX_ENABLE_DEV 0xF4 /* Enables aux device */
/* Order of the mouse bytes coming to the host */
#define PACKET_X 1
#define PACKET_Y 2
#define PACKET_CTRL 0
#define GSC_MOUSE_OFFSET 0x0100 /* offset from keyboard to mouse port */
#define GSC_DINO_OFFSET 0x800 /* offset for DINO controller versus LASI one */
#define GSC_ID 0x00 /* ID and reset port offsets */
#define GSC_RESET 0x00
#define GSC_RCVDATA 0x04 /* receive and transmit port offsets */
#define GSC_XMTDATA 0x04
#define GSC_CONTROL 0x08 /* see: control register bits */
#define GSC_STATUS 0x0C /* see: status register bits */
/* Control register bits */
#define GSC_CTRL_ENBL 0x01 /* enable interface */
#define GSC_CTRL_LPBXR 0x02 /* loopback operation */
#define GSC_CTRL_DIAG 0x20 /* directly control clock/data line */
#define GSC_CTRL_DATDIR 0x40 /* data line direct control */
#define GSC_CTRL_CLKDIR 0x80 /* clock line direct control */
/* Status register bits */
#define GSC_STAT_RBNE 0x01 /* Receive Buffer Not Empty */
#define GSC_STAT_TBNE 0x02 /* Transmit Buffer Not Empty */
#define GSC_STAT_TERR 0x04 /* Timeout Error */
#define GSC_STAT_PERR 0x08 /* Parity Error */
#define GSC_STAT_CMPINTR 0x10 /* Composite Interrupt */
#define GSC_STAT_DATSHD 0x40 /* Data Line Shadow */
#define GSC_STAT_CLKSHD 0x80 /* Clock Line Shadow */
/* Keycode map */
#define KBD_ESCAPE0 0xe0
#define KBD_ESCAPE1 0xe1
#define KBD_RELEASE 0xf0
#define KBD_ACK 0xfa
#define KBD_RESEND 0xfe
#define KBD_UNKNOWN 0
#define KBD_TBLSIZE 512
/* Mouse */
#define MOUSE_LEFTBTN 0x1
#define MOUSE_MIDBTN 0x4
#define MOUSE_RIGHTBTN 0x2
#define MOUSE_ALWAYS1 0x8
#define MOUSE_XSIGN 0x10
#define MOUSE_YSIGN 0x20
#define MOUSE_XOVFLOW 0x40
#define MOUSE_YOVFLOW 0x80
/* Remnant of pc_keyb.h */
#define KBD_CMD_SET_LEDS 0xED /* Sets keyboard leds */
#define KBD_CMD_SET_RATE 0xF3 /* Sets typematic rate */
#define KBD_CMD_ENABLE 0xF4 /* Enables scanning */
#define KBD_CMD_DISABLE 0xF5
#define KBD_CMD_RESET 0xFF
static unsigned char hpkeyb_keycode[KBD_TBLSIZE] =
{
/* 00 */ KBD_UNKNOWN, KEY_F9, KBD_UNKNOWN, KEY_F5, KEY_F3, KEY_F1, KEY_F2, KEY_F12,
/* 08 */ KBD_UNKNOWN, KEY_F10, KEY_F8, KEY_F6, KEY_F4, KEY_TAB, KEY_GRAVE, KBD_UNKNOWN,
/* 10 */ KBD_UNKNOWN, KEY_LEFTALT, KEY_LEFTSHIFT, KBD_UNKNOWN, KEY_LEFTCTRL, KEY_Q, KEY_1, KBD_UNKNOWN,
/* 18 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_Z, KEY_S, KEY_A, KEY_W, KEY_2, KBD_UNKNOWN,
/* 20 */ KBD_UNKNOWN, KEY_C, KEY_X, KEY_D, KEY_E, KEY_4, KEY_3, KBD_UNKNOWN,
/* 28 */ KBD_UNKNOWN, KEY_SPACE, KEY_V, KEY_F, KEY_T, KEY_R, KEY_5, KBD_UNKNOWN,
/* 30 */ KBD_UNKNOWN, KEY_N, KEY_B, KEY_H, KEY_G, KEY_Y, KEY_6, KBD_UNKNOWN,
/* 38 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_M, KEY_J, KEY_U, KEY_7, KEY_8, KBD_UNKNOWN,
/* 40 */ KBD_UNKNOWN, KEY_COMMA, KEY_K, KEY_I, KEY_O, KEY_0, KEY_9, KBD_UNKNOWN,
/* 48 */ KBD_UNKNOWN, KEY_DOT, KEY_SLASH, KEY_L, KEY_SEMICOLON, KEY_P, KEY_MINUS, KBD_UNKNOWN,
/* 50 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_APOSTROPHE,KBD_UNKNOWN, KEY_LEFTBRACE, KEY_EQUAL, KBD_UNKNOWN, KBD_UNKNOWN,
/* 58 */ KEY_CAPSLOCK, KEY_RIGHTSHIFT,KEY_ENTER, KEY_RIGHTBRACE,KBD_UNKNOWN, KEY_BACKSLASH,KBD_UNKNOWN, KBD_UNKNOWN,
/* 60 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KEY_BACKSPACE, KBD_UNKNOWN,
/* 68 */ KBD_UNKNOWN, KEY_KP1, KBD_UNKNOWN, KEY_KP4, KEY_KP7, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 70 */ KEY_KP0, KEY_KPDOT, KEY_KP2, KEY_KP5, KEY_KP6, KEY_KP8, KEY_ESC, KEY_NUMLOCK,
/* 78 */ KEY_F11, KEY_KPPLUS, KEY_KP3, KEY_KPMINUS, KEY_KPASTERISK,KEY_KP9, KEY_SCROLLLOCK,KEY_103RD,
/* 80 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KEY_F7, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 88 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 90 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 98 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e0 */ KBD_ESCAPE0, KBD_ESCAPE1, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f0 */ KBD_RELEASE, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_ACK, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_RESEND, KBD_UNKNOWN,
/* These are offset for escaped keycodes */
/* 00 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 08 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 10 */ KBD_UNKNOWN, KEY_RIGHTALT, KBD_UNKNOWN, KBD_UNKNOWN, KEY_RIGHTCTRL, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 18 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 20 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 28 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 30 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 38 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 40 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 48 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_KPSLASH, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 50 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 58 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_KPENTER, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 60 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 68 */ KBD_UNKNOWN, KEY_END, KBD_UNKNOWN, KEY_LEFT, KEY_HOME, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 70 */ KEY_INSERT, KEY_DELETE, KEY_DOWN, KBD_UNKNOWN, KEY_RIGHT, KEY_UP, KBD_UNKNOWN, KBD_UNKNOWN,
/* 78 */ KBD_UNKNOWN, KBD_UNKNOWN, KEY_PAGEDOWN, KBD_UNKNOWN, KEY_SYSRQ, KEY_PAGEUP, KBD_UNKNOWN, KBD_UNKNOWN,
/* 80 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 88 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 90 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* 98 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* a8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* b8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* c8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* d8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e0 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* e8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f0 */ KBD_RELEASE, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN,
/* f8 */ KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN, KBD_UNKNOWN
};
/* Keyboard struct */
static struct {
struct input_dev dev;
char * addr;
unsigned int irq;
unsigned int scancode;
unsigned int escaped;
unsigned int released;
unsigned int initialized;
}
hpkeyb = {
.escaped = 0,
.released = 0,
.initialized = 0
};
/* Mouse struct */
static struct {
struct input_dev dev;
char * addr;
unsigned long irq;
unsigned long initialized;
int nbread;
unsigned char bytes[3];
unsigned long last;
}
hpmouse = {
.initialized = 0,
.nbread = 0
};
static spinlock_t gscps2_lock = SPIN_LOCK_UNLOCKED;
/*
* Various HW level routines
*/
#define gscps2_readb_input(x) readb(x+GSC_RCVDATA)
#define gscps2_readb_control(x) readb(x+GSC_CONTROL)
#define gscps2_readb_status(x) readb(x+GSC_STATUS)
#define gscps2_writeb_control(x, y) writeb(x, y+GSC_CONTROL)
static inline void gscps2_writeb_output(u8 val, char * addr)
{
int wait = 250; /* Keyboard is expected to react within 250ms */
while (gscps2_readb_status(addr) & GSC_STAT_TBNE) {
if (!--wait)
return; /* This should not happen */
mdelay(1);
}
writeb(val, addr+GSC_XMTDATA);
}
static inline unsigned char gscps2_wait_input(char * addr)
{
int wait = 250; /* Keyboard is expected to react within 250ms */
while (!(gscps2_readb_status(addr) & GSC_STAT_RBNE)) {
if (!--wait)
return 0; /* This should not happen */
mdelay(1);
}
return gscps2_readb_input(addr);
}
static int gscps2_writeb_safe_output(u8 val)
{
/* This function waits for keyboard's ACK */
u8 scanread = KBD_UNKNOWN;
int loop = 5;
while (hpkeyb_keycode[scanread]!=KBD_ACK && --loop > 0) {
gscps2_writeb_output(val, hpkeyb.addr);
mdelay(5);
scanread = gscps2_wait_input(hpkeyb.addr);
}
if (loop <= 0)
return -1;
return 0;
}
/* Reset the PS2 port */
static void __init gscps2_reset(char * addr)
{
/* reset the interface */
writeb(0xff, addr+GSC_RESET);
writeb(0x0 , addr+GSC_RESET);
/* enable it */
gscps2_writeb_control(gscps2_readb_control(addr) | GSC_CTRL_ENBL, addr);
}
/**
* gscps2_kbd_docode() - PS2 Keyboard basic handler
*
* Receives a keyboard scancode, analyses it and sends it to the input layer.
*/
static void gscps2_kbd_docode(struct pt_regs *regs)
{
int scancode = gscps2_readb_input(hpkeyb.addr);
DPRINTK("rel=%d scancode=%d, esc=%d ", hpkeyb.released, scancode, hpkeyb.escaped);
/* Handle previously escaped scancodes */
if (hpkeyb.escaped == KBD_ESCAPE0)
scancode |= 0x100; /* jump to the next 256 chars of the table */
switch (hpkeyb_keycode[scancode]) {
case KBD_RELEASE:
DPRINTK("release\n");
hpkeyb.released = 1;
break;
case KBD_RESEND:
DPRINTK("resend request\n");
break;
case KBD_ACK:
DPRINTK("ACK\n");
break;
case KBD_ESCAPE0:
case KBD_ESCAPE1:
DPRINTK("escape code %d\n", hpkeyb_keycode[scancode]);
hpkeyb.escaped = hpkeyb_keycode[scancode];
break;
case KBD_UNKNOWN:
DPRINTK("received unknown scancode %d, escape %d.\n",
scancode, hpkeyb.escaped); /* This is a DPRINTK atm since we do not handle escaped scancodes cleanly */
if (hpkeyb.escaped)
hpkeyb.escaped = 0;
if (hpkeyb.released)
hpkeyb.released = 0;
return;
default:
hpkeyb.scancode = scancode;
DPRINTK("sent=%d, rel=%d\n",hpkeyb.scancode, hpkeyb.released);
/*input_regs(regs);*/
input_report_key(&hpkeyb.dev, hpkeyb_keycode[hpkeyb.scancode], !hpkeyb.released);
input_sync(&hpkeyb.dev);
if (hpkeyb.escaped)
hpkeyb.escaped = 0;
if (hpkeyb.released)
hpkeyb.released = 0;
break;
}
}
/**
* gscps2_mouse_docode() - PS2 Mouse basic handler
*
* Receives mouse codes, processes them by packets of three, and sends
* correct events to the input layer.
*/
static void gscps2_mouse_docode(struct pt_regs *regs)
{
int xrel, yrel;
/* process BAT (end of basic tests) command */
if ((hpmouse.nbread == 1) && (hpmouse.bytes[0] == AUX_RECONNECT))
hpmouse.nbread--;
/* stolen from psmouse.c */
if (hpmouse.nbread && time_after(jiffies, hpmouse.last + HZ/2)) {
printk(KERN_DEBUG "%s:%d : Lost mouse synchronization, throwing %d bytes away.\n", __FILE__, __LINE__,
hpmouse.nbread);
hpmouse.nbread = 0;
}
hpmouse.last = jiffies;
hpmouse.bytes[hpmouse.nbread++] = gscps2_readb_input(hpmouse.addr);
/* process packet */
if (hpmouse.nbread == 3) {
if (!(hpmouse.bytes[PACKET_CTRL] & MOUSE_ALWAYS1))
DPRINTK("Mouse: error on packet always1 bit checking\n");
/* XXX should exit now, bad data on the line! */
if ((hpmouse.bytes[PACKET_CTRL] & (MOUSE_XOVFLOW | MOUSE_YOVFLOW)))
DPRINTK("Mouse: position overflow\n");
/*input_regs(regs);*/
input_report_key(&hpmouse.dev, BTN_LEFT, hpmouse.bytes[PACKET_CTRL] & MOUSE_LEFTBTN);
input_report_key(&hpmouse.dev, BTN_MIDDLE, hpmouse.bytes[PACKET_CTRL] & MOUSE_MIDBTN);
input_report_key(&hpmouse.dev, BTN_RIGHT, hpmouse.bytes[PACKET_CTRL] & MOUSE_RIGHTBTN);
xrel = hpmouse.bytes[PACKET_X];
yrel = hpmouse.bytes[PACKET_Y];
/* Data sent by mouse are 9-bit signed, the sign bit is in the control packet */
if (xrel && (hpmouse.bytes[PACKET_CTRL] & MOUSE_XSIGN))
xrel = xrel - 0x100;
if (yrel && (hpmouse.bytes[PACKET_CTRL] & MOUSE_YSIGN))
yrel = yrel - 0x100;
input_report_rel(&hpmouse.dev, REL_X, xrel);
input_report_rel(&hpmouse.dev, REL_Y, -yrel); /* Y axis is received upside-down */
input_sync(&hpmouse.dev);
hpmouse.nbread = 0;
}
}
/**
* gscps2_interrupt() - Interruption service routine
*
* This processes the list of scancodes queued and sends appropriate
* key value to the system.
*/
static irqreturn_t gscps2_interrupt(int irq, void *dev, struct pt_regs *reg)
{
/* process mouse actions */
while (gscps2_readb_status(hpmouse.addr) & GSC_STAT_RBNE)
gscps2_mouse_docode(reg);
/* process keyboard scancode */
while (gscps2_readb_status(hpkeyb.addr) & GSC_STAT_RBNE)
gscps2_kbd_docode(reg);
return IRQ_HANDLED;
}
/**
* gscps2_hpkeyb_event() - Event handler
* @return: success/error report
*
* Currently only updates leds on keyboard
*/
int gscps2_hpkeyb_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
DPRINTK("Calling %s, type=%d, code=%d, value=%d\n",
__FUNCTION__, type, code, value);
if (!hpkeyb.initialized)
return -1;
if (type == EV_LED) {
u8 leds[2];
if (gscps2_writeb_safe_output(KBD_CMD_SET_LEDS)) {
printk(KERN_ERR "gsckbd_leds: timeout\n");
return -1;
}
DPRINTK("KBD_CMD_SET_LEDS\n");
*leds = (test_bit(LED_SCROLLL, dev->led) ? LED_SCR : 0)
| (test_bit(LED_NUML, dev->led) ? LED_NUM : 0)
| (test_bit(LED_CAPSL, dev->led) ? LED_CAP : 0);
DPRINTK("Sending leds=%x\n", *leds);
if (gscps2_writeb_safe_output(*leds)) {
printk(KERN_ERR "gsckbd_leds: timeout\n");
return -1;
}
DPRINTK("leds sent\n");
if (gscps2_writeb_safe_output(KBD_CMD_ENABLE)) {
printk(KERN_ERR "gsckbd_leds: timeout\n");
return -1;
}
DPRINTK("End\n");
return 0;
}
return -1;
}
/**
* gscps2_kbd_probe() - Probes keyboard device and init input_dev structure
* @return: number of device initialized (1, 0 on error)
*/
static int __init gscps2_kbd_probe(void)
{
int i, res = 0;
unsigned long flags;
if (hpkeyb.initialized) {
printk(KERN_ERR "GSC PS/2 keyboard driver already registered\n");
return 0;
}
spin_lock_irqsave(&gscps2_lock, flags);
if (!gscps2_writeb_safe_output(KBD_CMD_SET_LEDS) &&
!gscps2_writeb_safe_output(0) &&
!gscps2_writeb_safe_output(KBD_CMD_ENABLE))
res = 1;
spin_unlock_irqrestore(&gscps2_lock, flags);
if (!res)
printk(KERN_ERR "Keyboard initialization sequence failled\n");
init_input_dev(&hpkeyb.dev);
for (i = 0; i < KBD_TBLSIZE; i++)
if (hpkeyb_keycode[i] != KBD_UNKNOWN)
set_bit(hpkeyb_keycode[i], hpkeyb.dev.keybit);
hpkeyb.dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
hpkeyb.dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
hpkeyb.dev.keycode = hpkeyb_keycode;
hpkeyb.dev.keycodesize = sizeof(unsigned char);
hpkeyb.dev.keycodemax = KBD_TBLSIZE;
hpkeyb.dev.name = "GSC Keyboard";
hpkeyb.dev.phys = "hpkbd/input0";
hpkeyb.dev.event = gscps2_hpkeyb_event;
/* TODO These need some adjustement, are they really useful ? */
hpkeyb.dev.id.bustype = BUS_GSC;
hpkeyb.dev.id.vendor = PCI_VENDOR_ID_HP;
hpkeyb.dev.id.product = 0x0001;
hpkeyb.dev.id.version = 0x0010;
hpkeyb.initialized = 1;
return 1;
}
/**
* gscps2_mouse_probe() - Probes mouse device and init input_dev structure
* @return: number of device initialized (1, 0 on error)
*
* Currently no check on initialization is performed
*/
static int __init gscps2_mouse_probe(void)
{
if (hpmouse.initialized) {
printk(KERN_ERR "GSC PS/2 Mouse driver already registered\n");
return 0;
}
init_input_dev(&hpmouse.dev);
hpmouse.dev.name = "GSC Mouse";
hpmouse.dev.phys = "hpmouse/input0";
hpmouse.dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
hpmouse.dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
hpmouse.dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
hpmouse.last = 0;
gscps2_writeb_output(AUX_ENABLE_DEV, hpmouse.addr);
/* Try it a second time, this will give status if the device is available */
gscps2_writeb_output(AUX_ENABLE_DEV, hpmouse.addr);
/* TODO These need some adjustement, are they really useful ? */
hpmouse.dev.id.bustype = BUS_GSC;
hpmouse.dev.id.vendor = 0x0001;
hpmouse.dev.id.product = 0x0001;
hpmouse.dev.id.version = 0x0010;
hpmouse.initialized = 1;
return 1; /* XXX: we don't check if initialization failed */
}
/**
* gscps2_probe() - Probes PS2 devices
* @return: success/error report
*/
static int __init gscps2_probe(struct parisc_device *dev)
{
u8 id;
char *addr, *name;
int ret = 0, device_found = 0;
unsigned long hpa = dev->hpa;
if (!dev->irq)
goto fail_pitifully;
/* Offset for DINO PS/2. Works with LASI even */
if (dev->id.sversion == 0x96)
hpa += GSC_DINO_OFFSET;
addr = ioremap(hpa, 256);
if (!hpmouse.initialized || !hpkeyb.initialized)
gscps2_reset(addr);
ret = -EINVAL;
id = readb(addr+GSC_ID) & 0x0f;
switch (id) {
case 0: /* keyboard */
hpkeyb.addr = addr;
name = "keyboard";
device_found = gscps2_kbd_probe();
break;
case 1: /* mouse */
hpmouse.addr = addr;
name = "mouse";
device_found = gscps2_mouse_probe();
break;
default:
printk(KERN_WARNING "%s: Unsupported PS/2 port (id=%d) ignored\n",
__FUNCTION__, id);
goto fail_miserably;
}
/* No valid device found */
ret = -ENODEV;
if (!device_found)
goto fail_miserably;
/* Here we claim only if we have a device attached */
/* Allocate the irq and memory region for that device */
ret = -EBUSY;
if (request_irq(dev->irq, gscps2_interrupt, 0, name, NULL))
goto fail_miserably;
if (!request_mem_region(hpa, GSC_STATUS + 4, name))
goto fail_request_mem;
/* Finalize input struct and register it */
switch (id) {
case 0: /* keyboard */
hpkeyb.irq = dev->irq;
input_register_device(&hpkeyb.dev);
break;
case 1: /* mouse */
hpmouse.irq = dev->irq;
input_register_device(&hpmouse.dev);
break;
default:
break;
}
printk(KERN_INFO "input: PS/2 %s port at 0x%08lx (irq %d) found and attached\n",
name, hpa, dev->irq);
return 0;
fail_request_mem: free_irq(dev->irq, NULL);
fail_miserably: iounmap(addr);
fail_pitifully: return ret;
}
static struct parisc_device_id gscps2_device_tbl[] = {
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00084 }, /* LASI PS/2 */
/* { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00096 }, DINO PS/2 (XXX Not yet tested) */
{ 0, } /* 0 terminated list */
};
static struct parisc_driver gscps2_driver = {
.name = "GSC PS2",
.id_table = gscps2_device_tbl,
.probe = gscps2_probe,
};
static int __init gscps2_init(void)
{
if (register_parisc_driver(&gscps2_driver))
return -EBUSY;
return 0;
}
static void __exit gscps2_exit(void)
{
/* TODO this is probably not very good and needs to be checked */
if (hpkeyb.initialized) {
free_irq(hpkeyb.irq, gscps2_interrupt);
iounmap(hpkeyb.addr);
hpkeyb.initialized = 0;
input_unregister_device(&hpkeyb.dev);
}
if (hpmouse.initialized) {
free_irq(hpmouse.irq, gscps2_interrupt);
iounmap(hpmouse.addr);
hpmouse.initialized = 0;
input_unregister_device(&hpmouse.dev);
}
unregister_parisc_driver(&gscps2_driver);
}
MODULE_AUTHOR("Laurent Canet <canetl@esiee.fr>, Thibaut Varene <varenet@esiee.fr>");
MODULE_DESCRIPTION("GSC PS/2 keyboard/mouse driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(parisc, gscps2_device_tbl);
module_init(gscps2_init);
module_exit(gscps2_exit);
drivers/input/mouse/Kconfig
View file @ afa1823e
......@@ -17,6 +17,7 @@ config MOUSE_PS2
depends on INPUT && INPUT_MOUSE
select SERIO
select SERIO_I8042 if PC
select SERIO_GSCPS2 if GSC
---help---
Say Y here if you have a PS/2 mouse connected to your system. This
includes the standard 2 or 3-button PS/2 mouse, as well as PS/2
......
drivers/input/serio/Kconfig
View file @ afa1823e
......@@ -20,6 +20,7 @@ config SERIO_I8042
tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
default y
select SERIO
depends on !PARISC
---help---
i8042 is the chip over which the standard AT keyboard and PS/2
mouse are connected to the computer. If you use these devices,
......@@ -48,6 +49,7 @@ config SERIO_SERPORT
config SERIO_CT82C710
tristate "ct82c710 Aux port controller"
depends on SERIO
depends on !PARISC
---help---
Say Y here if you have a Texas Instruments TravelMate notebook
equipped with the ct82c710 chip and want to use a mouse connected
......@@ -105,6 +107,20 @@ config SERIO_98KBD
To compile this driver as a module, choose M here: the
module will be called 98kbd-io.
config SERIO_GSCPS2
tristate "HP GSC PS/2 keyboard and PS/2 mouse controller"
depends on GSC && SERIO
default y
help
This driver provides support for the PS/2 ports on PA-RISC machines
over which HP PS/2 keyboards and PS/2 mice may be connected.
If you use these devices, you'll need to say Y here.
It's safe to enable this driver, so if unsure, say Y.
To compile this driver as a module, choose M here: the
module will be called gscps2.
config SERIO_PCIPS2
tristate "PCI PS/2 keyboard and PS/2 mouse controller"
depends on PCI && SERIO
......
drivers/input/serio/Makefile
View file @ afa1823e
......@@ -14,4 +14,5 @@ obj-$(CONFIG_SERIO_SA1111) += sa1111ps2.o
obj-$(CONFIG_SERIO_AMBAKMI) += ambakmi.o
obj-$(CONFIG_SERIO_Q40KBD) += q40kbd.o
obj-$(CONFIG_SERIO_98KBD) += 98kbd-io.o
obj-$(CONFIG_SERIO_GSCPS2) += gscps2.o
obj-$(CONFIG_SERIO_PCIPS2) += pcips2.o
drivers/input/serio/gscps2.c 0 → 100644
View file @ afa1823e
/*
* drivers/input/serio/gscps2.c
*
* Copyright (c) 2004 Helge Deller <deller@gmx.de>
* Copyright (c) 2002 Laurent Canet <canetl@esiee.fr>
* Copyright (c) 2002 Thibaut Varene <varenet@esiee.fr>
*
* Pieces of code based on linux-2.4's hp_mouse.c & hp_keyb.c
* Copyright (c) 1999 Alex deVries <adevries@thepuffingroup.com>
* Copyright (c) 1999-2000 Philipp Rumpf <prumpf@tux.org>
* Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr>
* Copyright (c) 2000-2001 Thomas Marteau <marteaut@esiee.fr>
*
* HP GSC PS/2 port driver, found in PA/RISC Workstations
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* TODO:
* - Dino testing (did HP ever shipped a machine on which this port
* was usable/enabled ?)
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/serio.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/pci_ids.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/parisc-device.h>
MODULE_AUTHOR("Laurent Canet <canetl@esiee.fr>, Thibaut Varene <varenet@esiee.fr>, Helge Deller <deller@gmx.de>");
MODULE_DESCRIPTION("HP GSC PS/2 port driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(parisc, gscps2_device_tbl);
#define PFX "gscps2.c: "
/*
* Driver constants
*/
/* various constants */
#define ENABLE 1
#define DISABLE 0
#define GSC_DINO_OFFSET 0x0800 /* offset for DINO controller versus LASI one */
/* PS/2 IO port offsets */
#define GSC_ID 0x00 /* device ID offset (see: GSC_ID_XXX) */
#define GSC_RESET 0x00 /* reset port offset */
#define GSC_RCVDATA 0x04 /* receive port offset */
#define GSC_XMTDATA 0x04 /* transmit port offset */
#define GSC_CONTROL 0x08 /* see: Control register bits */
#define GSC_STATUS 0x0C /* see: Status register bits */
/* Control register bits */
#define GSC_CTRL_ENBL 0x01 /* enable interface */
#define GSC_CTRL_LPBXR 0x02 /* loopback operation */
#define GSC_CTRL_DIAG 0x20 /* directly control clock/data line */
#define GSC_CTRL_DATDIR 0x40 /* data line direct control */
#define GSC_CTRL_CLKDIR 0x80 /* clock line direct control */
/* Status register bits */
#define GSC_STAT_RBNE 0x01 /* Receive Buffer Not Empty */
#define GSC_STAT_TBNE 0x02 /* Transmit Buffer Not Empty */
#define GSC_STAT_TERR 0x04 /* Timeout Error */
#define GSC_STAT_PERR 0x08 /* Parity Error */
#define GSC_STAT_CMPINTR 0x10 /* Composite Interrupt = irq on any port */
#define GSC_STAT_DATSHD 0x40 /* Data Line Shadow */
#define GSC_STAT_CLKSHD 0x80 /* Clock Line Shadow */
/* IDs returned by GSC_ID port register */
#define GSC_ID_KEYBOARD 0 /* device ID values */
#define GSC_ID_MOUSE 1
static irqreturn_t gscps2_interrupt(int irq, void *dev, struct pt_regs *regs);
#define BUFFER_SIZE 0x0f
/* GSC PS/2 port device struct */
struct gscps2port {
struct list_head node;
struct parisc_device *padev;
struct serio port;
spinlock_t lock;
char *addr;
u8 act, append; /* position in buffer[] */
struct {
u8 data;
u8 str;
} buffer[BUFFER_SIZE+1];
int id;
char name[32];
};
/*
* Various HW level routines
*/
#define gscps2_readb_input(x) readb((x)+GSC_RCVDATA)
#define gscps2_readb_control(x) readb((x)+GSC_CONTROL)
#define gscps2_readb_status(x) readb((x)+GSC_STATUS)
#define gscps2_writeb_control(x, y) writeb((x), (y)+GSC_CONTROL)
/*
* wait_TBE() - wait for Transmit Buffer Empty
*/
static int wait_TBE(char *addr)
{
int timeout = 25000; /* device is expected to react within 250 msec */
while (gscps2_readb_status(addr) & GSC_STAT_TBNE) {
if (!--timeout)
return 0; /* This should not happen */
udelay(10);
}
return 1;
}
/*
* gscps2_flush() - flush the receive buffer
*/
static void gscps2_flush(struct gscps2port *ps2port)
{
while (gscps2_readb_status(ps2port->addr) & GSC_STAT_RBNE)
gscps2_readb_input(ps2port->addr);
ps2port->act = ps2port->append = 0;
}
/*
* gscps2_writeb_output() - write a byte to the port
*
* returns 1 on sucess, 0 on error
*/
static inline int gscps2_writeb_output(struct gscps2port *ps2port, u8 data)
{
unsigned long flags;
char *addr = ps2port->addr;
if (!wait_TBE(addr)) {
printk(KERN_DEBUG PFX "timeout - could not write byte %#x\n", data);
return 0;
}
while (gscps2_readb_status(ps2port->addr) & GSC_STAT_RBNE)
/* wait */;
spin_lock_irqsave(&ps2port->lock, flags);
writeb(data, addr+GSC_XMTDATA);
spin_unlock_irqrestore(&ps2port->lock, flags);
/* this is ugly, but due to timing of the port it seems to be necessary. */
mdelay(6);
/* make sure any received data is returned as fast as possible */
/* this is important e.g. when we set the LEDs on the keyboard */
gscps2_interrupt(0, NULL, NULL);
return 1;
}
/*
* gscps2_enable() - enables or disables the port
*/
static void gscps2_enable(struct gscps2port *ps2port, int enable)
{
unsigned long flags;
u8 data;
/* now enable/disable the port */
spin_lock_irqsave(&ps2port->lock, flags);
gscps2_flush(ps2port);
data = gscps2_readb_control(ps2port->addr);
if (enable)
data |= GSC_CTRL_ENBL;
else
data &= ~GSC_CTRL_ENBL;
gscps2_writeb_control(data, ps2port->addr);
spin_unlock_irqrestore(&ps2port->lock, flags);
wait_TBE(ps2port->addr);
gscps2_flush(ps2port);
}
/*
* gscps2_reset() - resets the PS/2 port
*/
static void gscps2_reset(struct gscps2port *ps2port)
{
char *addr = ps2port->addr;
unsigned long flags;
/* reset the interface */
spin_lock_irqsave(&ps2port->lock, flags);
gscps2_flush(ps2port);
writeb(0xff, addr+GSC_RESET);
gscps2_flush(ps2port);
spin_unlock_irqrestore(&ps2port->lock, flags);
/* enable it */
gscps2_enable(ps2port, ENABLE);
}
static LIST_HEAD(ps2port_list);
/**
* gscps2_interrupt() - Interruption service routine
*
* This function reads received PS/2 bytes and processes them on
* all interfaces.
* The problematic part here is, that the keyboard and mouse PS/2 port
* share the same interrupt and it's not possible to send data if any
* one of them holds input data. To solve this problem we try to receive
* the data as fast as possible and handle the reporting to the upper layer
* later.
*/
static irqreturn_t gscps2_interrupt(int irq, void *dev, struct pt_regs *regs)
{
struct gscps2port *ps2port;
list_for_each_entry(ps2port, &ps2port_list, node) {
unsigned long flags;
spin_lock_irqsave(&ps2port->lock, flags);
while ( (ps2port->buffer[ps2port->append].str =
gscps2_readb_status(ps2port->addr)) & GSC_STAT_RBNE ) {
ps2port->buffer[ps2port->append].data =
gscps2_readb_input(ps2port->addr);
ps2port->append = ((ps2port->append+1) & BUFFER_SIZE);
}
spin_unlock_irqrestore(&ps2port->lock, flags);
} /* list_for_each_entry */
/* all data was read from the ports - now report the data to upper layer */
list_for_each_entry(ps2port, &ps2port_list, node) {
while (ps2port->act != ps2port->append) {
unsigned int rxflags;
u8 data, status;
/* Did new data arrived while we read existing data ?
If yes, exit now and let the new irq handler start over again */
if (gscps2_readb_status(ps2port->addr) & GSC_STAT_CMPINTR)
return IRQ_HANDLED;
status = ps2port->buffer[ps2port->act].str;
data = ps2port->buffer[ps2port->act].data;
ps2port->act = ((ps2port->act+1) & BUFFER_SIZE);
rxflags = ((status & GSC_STAT_TERR) ? SERIO_TIMEOUT : 0 ) |
((status & GSC_STAT_PERR) ? SERIO_PARITY : 0 );
serio_interrupt(&ps2port->port, data, rxflags, regs);
} /* while() */
} /* list_for_each_entry */
return IRQ_HANDLED;
}
/*
* gscps2_write() - send a byte out through the aux interface.
*/
static int gscps2_write(struct serio *port, unsigned char data)
{
struct gscps2port *ps2port = port->driver;
if (!gscps2_writeb_output(ps2port, data)) {
printk(KERN_DEBUG PFX "sending byte %#x failed.\n", data);
return -1;
}
return 0;
}
/*
* gscps2_open() is called when a port is opened by the higher layer.
* It resets and enables the port.
*/
static int gscps2_open(struct serio *port)
{
struct gscps2port *ps2port = port->driver;
gscps2_reset(ps2port);
gscps2_interrupt(0, NULL, NULL);
return 0;
}
/*
* gscps2_close() disables the port
*/
static void gscps2_close(struct serio *port)
{
struct gscps2port *ps2port = port->driver;
gscps2_enable(ps2port, DISABLE);
}
static struct serio gscps2_serio_port =
{
.name = "GSC PS/2",
.idbus = BUS_GSC,
.idvendor = PCI_VENDOR_ID_HP,
.idproduct = 0x0001,
.idversion = 0x0010,
.type = SERIO_8042,
.write = gscps2_write,
.open = gscps2_open,
.close = gscps2_close,
};
/**
* gscps2_probe() - Probes PS2 devices
* @return: success/error report
*/
static int __init gscps2_probe(struct parisc_device *dev)
{
struct gscps2port *ps2port;
unsigned long hpa = dev->hpa;
int ret;
if (!dev->irq)
return -ENODEV;
/* Offset for DINO PS/2. Works with LASI even */
if (dev->id.sversion == 0x96)
hpa += GSC_DINO_OFFSET;
ps2port = kmalloc(sizeof(struct gscps2port), GFP_KERNEL);
if (!ps2port)
return -ENOMEM;
dev_set_drvdata(&dev->dev, ps2port);
memset(ps2port, 0, sizeof(struct gscps2port));
ps2port->padev = dev;
ps2port->addr = ioremap(hpa, GSC_STATUS + 4);
spin_lock_init(&ps2port->lock);
gscps2_reset(ps2port);
ps2port->id = readb(ps2port->addr+GSC_ID) & 0x0f;
snprintf(ps2port->name, sizeof(ps2port->name)-1, "%s %s",
gscps2_serio_port.name,
(ps2port->id == GSC_ID_KEYBOARD) ? "keyboard" : "mouse" );
memcpy(&ps2port->port, &gscps2_serio_port, sizeof(gscps2_serio_port));
ps2port->port.driver = ps2port;
ps2port->port.name = ps2port->name;
ps2port->port.phys = dev->dev.bus_id;
list_add_tail(&ps2port->node, &ps2port_list);
ret = -EBUSY;
if (request_irq(dev->irq, gscps2_interrupt, SA_SHIRQ, ps2port->name, ps2port))
goto fail_miserably;
if ( (ps2port->id != GSC_ID_KEYBOARD) && (ps2port->id != GSC_ID_MOUSE) ) {
printk(KERN_WARNING PFX "Unsupported PS/2 port at 0x%08lx (id=%d) ignored\n",
hpa, ps2port->id);
ret = -ENODEV;
goto fail;
}
#if 0
if (!request_mem_region(hpa, GSC_STATUS + 4, ps2port->port.name))
goto fail;
#endif
printk(KERN_INFO "serio: %s port at 0x%p irq %d @ %s\n",
ps2port->name,
ps2port->addr,
ps2port->padev->irq,
ps2port->port.phys);
serio_register_port(&ps2port->port);
return 0;
fail:
free_irq(dev->irq, ps2port);
fail_miserably:
list_del(&ps2port->node);
iounmap(ps2port->addr);
release_mem_region(dev->hpa, GSC_STATUS + 4);
kfree(ps2port);
return ret;
}
/**
* gscps2_remove() - Removes PS2 devices
* @return: success/error report
*/
static int __devexit gscps2_remove(struct parisc_device *dev)
{
struct gscps2port *ps2port = dev_get_drvdata(&dev->dev);
serio_unregister_port(&ps2port->port);
free_irq(dev->irq, ps2port);
gscps2_flush(ps2port);
list_del(&ps2port->node);
iounmap(ps2port->addr);
#if 0
release_mem_region(dev->hpa, GSC_STATUS + 4);
#endif
dev_set_drvdata(&dev->dev, NULL);
kfree(ps2port);
return 0;
}
static struct parisc_device_id gscps2_device_tbl[] = {
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00084 }, /* LASI PS/2 */
#ifdef DINO_TESTED
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00096 }, /* DINO PS/2 */
#endif
{ 0, } /* 0 terminated list */
};
static struct parisc_driver parisc_ps2_driver = {
.name = "GSC PS/2",
.id_table = gscps2_device_tbl,
.probe = gscps2_probe,
.remove = gscps2_remove,
};
static int __init gscps2_init(void)
{
register_parisc_driver(&parisc_ps2_driver);
return 0;
}
static void __exit gscps2_exit(void)
{
unregister_parisc_driver(&parisc_ps2_driver);
}
module_init(gscps2_init);
module_exit(gscps2_exit);
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7