diff options
Diffstat (limited to 'drivers/input/keyboard')
| -rw-r--r-- | drivers/input/keyboard/Kconfig | 185 | ||||
| -rw-r--r-- | drivers/input/keyboard/Makefile | 19 | ||||
| -rw-r--r-- | drivers/input/keyboard/amikbd.c | 241 | ||||
| -rw-r--r-- | drivers/input/keyboard/atkbd.c | 1148 | ||||
| -rw-r--r-- | drivers/input/keyboard/corgikbd.c | 361 | ||||
| -rw-r--r-- | drivers/input/keyboard/hil_kbd.c | 375 | ||||
| -rw-r--r-- | drivers/input/keyboard/hilkbd.c | 343 | ||||
| -rw-r--r-- | drivers/input/keyboard/hpps2atkbd.h | 110 | ||||
| -rw-r--r-- | drivers/input/keyboard/lkkbd.c | 752 | ||||
| -rw-r--r-- | drivers/input/keyboard/locomokbd.c | 309 | ||||
| -rw-r--r-- | drivers/input/keyboard/maple_keyb.c | 190 | ||||
| -rw-r--r-- | drivers/input/keyboard/newtonkbd.c | 184 | ||||
| -rw-r--r-- | drivers/input/keyboard/sunkbd.c | 353 | ||||
| -rw-r--r-- | drivers/input/keyboard/xtkbd.c | 188 |
14 files changed, 4758 insertions, 0 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig new file mode 100644 index 00000000000..e55dee39077 --- /dev/null +++ b/drivers/input/keyboard/Kconfig @@ -0,0 +1,185 @@ +# +# Input core configuration +# +menuconfig INPUT_KEYBOARD + bool "Keyboards" if EMBEDDED || !X86 + default y + help + Say Y here, and a list of supported keyboards will be displayed. + This option doesn't affect the kernel. + + If unsure, say Y. + +if INPUT_KEYBOARD + +config KEYBOARD_ATKBD + tristate "AT keyboard" if !PC + default y + select SERIO + select SERIO_LIBPS2 + 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 + or other). This also works for AT and PS/2 keyboards connected over a + PS/2 to serial converter. + + If unsure, say Y. + + To compile this driver as a module, choose M here: the + module will be called atkbd. + +config KEYBOARD_ATKBD_HP_KEYCODES + bool "Use HP keyboard scancodes" + depends on PARISC && KEYBOARD_ATKBD + default y + help + Say Y here if you have a PA-RISC machine and want to use an AT or + PS/2 keyboard, and your keyboard uses keycodes that are specific to + PA-RISC keyboards. + + Say N if you use a standard keyboard. + +config KEYBOARD_ATKBD_RDI_KEYCODES + bool "Use PrecisionBook keyboard scancodes" + depends on KEYBOARD_ATKBD_HP_KEYCODES + default n + help + If you have an RDI PrecisionBook, say Y here if you want to use its + built-in keyboard (as opposed to an external keyboard). + + The PrecisionBook has five keys that conflict with those used by most + AT and PS/2 keyboards. These are as follows: + + PrecisionBook Standard AT or PS/2 + + F1 F12 + Left Ctrl Left Alt + Caps Lock Left Ctrl + Right Ctrl Caps Lock + Left 102nd key (the key to the right of Left Shift) + + If you say N here, and use the PrecisionBook keyboard, then each key + in the left-hand column will be interpreted as the corresponding key + in the right-hand column. + + If you say Y here, and use an external keyboard, then each key in the + right-hand column will be interpreted as the key shown in the + left-hand column. + +config KEYBOARD_SUNKBD + tristate "Sun Type 4 and Type 5 keyboard" + select SERIO + help + Say Y here if you want to use a Sun Type 4 or Type 5 keyboard, + connected either to the Sun keyboard connector or to an serial + (RS-232) port via a simple adapter. + + To compile this driver as a module, choose M here: the + module will be called sunkbd. + +config KEYBOARD_LKKBD + tristate "DECstation/VAXstation LK201/LK401 keyboard" + select SERIO + help + Say Y here if you want to use a LK201 or LK401 style serial + keyboard. This keyboard is also useable on PCs if you attach + it with the inputattach program. The connector pinout is + described within lkkbd.c. + + To compile this driver as a module, choose M here: the + module will be called lkkbd. + +config KEYBOARD_LOCOMO + tristate "LoCoMo Keyboard Support" + depends on SHARP_LOCOMO + help + Say Y here if you are running Linux on a Sharp Zaurus Collie or Poodle based PDA + + To compile this driver as a module, choose M here: the + module will be called locomokbd. + +config KEYBOARD_XTKBD + tristate "XT keyboard" + select SERIO + help + Say Y here if you want to use the old IBM PC/XT keyboard (or + compatible) on your system. This is only possible with a + parallel port keyboard adapter, you cannot connect it to the + keyboard port on a PC that runs Linux. + + To compile this driver as a module, choose M here: the + module will be called xtkbd. + +config KEYBOARD_NEWTON + tristate "Newton keyboard" + select SERIO + help + Say Y here if you have a Newton keyboard on a serial port. + + To compile this driver as a module, choose M here: the + module will be called newtonkbd. + +config KEYBOARD_CORGI + tristate "Corgi keyboard" + depends on PXA_SHARPSL + default y + help + Say Y here to enable the keyboard on the Sharp Zaurus SL-C7xx + series of PDAs. + + To compile this driver as a module, choose M here: the + module will be called corgikbd. + +config KEYBOARD_MAPLE + tristate "Maple bus keyboard" + depends on SH_DREAMCAST && MAPLE + help + Say Y here if you have a DreamCast console running Linux and have + a keyboard attached to its Maple bus. + + To compile this driver as a module, choose M here: the + module will be called maple_keyb. + +config KEYBOARD_AMIGA + tristate "Amiga keyboard" + depends on AMIGA + help + Say Y here if you are running Linux on any AMIGA and have a keyboard + attached. + + To compile this driver as a module, choose M here: the + module will be called amikbd. + +config KEYBOARD_HIL_OLD + tristate "HP HIL keyboard support (simple driver)" + depends on GSC + default y + help + The "Human Interface Loop" is a older, 8-channel USB-like + controller used in several Hewlett Packard models. This driver + was adapted from the one written for m68k/hp300, and implements + support for a keyboard attached to the HIL port, but not for + any other types of HIL input devices like mice or tablets. + However, it has been thoroughly tested and is stable. + + If you want full HIL support including support for multiple + keyboards, mices and tablets, you have to enable the + "HP System Device Controller i8042 Support" in the input/serio + submenu. + +config KEYBOARD_HIL + tristate "HP HIL keyboard support" + depends on GSC + default y + select HP_SDC + select HIL_MLC + select SERIO + help + The "Human Interface Loop" is a older, 8-channel USB-like + controller used in several Hewlett Packard models. + This driver implements support for HIL-keyboards attached + to your machine, so normally you should say Y here. + +endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile new file mode 100644 index 00000000000..b02eeceea3c --- /dev/null +++ b/drivers/input/keyboard/Makefile @@ -0,0 +1,19 @@ +# +# Makefile for the input core drivers. +# + +# Each configuration option enables a list of files. + +obj-$(CONFIG_KEYBOARD_ATKBD) += atkbd.o +obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o +obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o +obj-$(CONFIG_KEYBOARD_LKKBD) += lkkbd.o +obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o +obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o +obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o +obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o +obj-$(CONFIG_KEYBOARD_98KBD) += 98kbd.o +obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o +obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o +obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o + diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c new file mode 100644 index 00000000000..4e8e8ea214a --- /dev/null +++ b/drivers/input/keyboard/amikbd.c @@ -0,0 +1,241 @@ +/* + * $Id: amikbd.c,v 1.13 2002/02/01 16:02:24 vojtech Exp $ + * + * Copyright (c) 2000-2001 Vojtech Pavlik + * + * Based on the work of: + * Hamish Macdonald + */ + +/* + * Amiga keyboard driver for Linux/m68k + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/interrupt.h> + +#include <asm/amigaints.h> +#include <asm/amigahw.h> +#include <asm/irq.h> + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION("Amiga keyboard driver"); +MODULE_LICENSE("GPL"); + +static unsigned char amikbd_keycode[0x78] = { + [0] = KEY_GRAVE, + [1] = KEY_1, + [2] = KEY_2, + [3] = KEY_3, + [4] = KEY_4, + [5] = KEY_5, + [6] = KEY_6, + [7] = KEY_7, + [8] = KEY_8, + [9] = KEY_9, + [10] = KEY_0, + [11] = KEY_MINUS, + [12] = KEY_EQUAL, + [13] = KEY_BACKSLASH, + [15] = KEY_KP0, + [16] = KEY_Q, + [17] = KEY_W, + [18] = KEY_E, + [19] = KEY_R, + [20] = KEY_T, + [21] = KEY_Y, + [22] = KEY_U, + [23] = KEY_I, + [24] = KEY_O, + [25] = KEY_P, + [26] = KEY_LEFTBRACE, + [27] = KEY_RIGHTBRACE, + [29] = KEY_KP1, + [30] = KEY_KP2, + [31] = KEY_KP3, + [32] = KEY_A, + [33] = KEY_S, + [34] = KEY_D, + [35] = KEY_F, + [36] = KEY_G, + [37] = KEY_H, + [38] = KEY_J, + [39] = KEY_K, + [40] = KEY_L, + [41] = KEY_SEMICOLON, + [42] = KEY_APOSTROPHE, + [43] = KEY_BACKSLASH, + [45] = KEY_KP4, + [46] = KEY_KP5, + [47] = KEY_KP6, + [48] = KEY_102ND, + [49] = KEY_Z, + [50] = KEY_X, + [51] = KEY_C, + [52] = KEY_V, + [53] = KEY_B, + [54] = KEY_N, + [55] = KEY_M, + [56] = KEY_COMMA, + [57] = KEY_DOT, + [58] = KEY_SLASH, + [60] = KEY_KPDOT, + [61] = KEY_KP7, + [62] = KEY_KP8, + [63] = KEY_KP9, + [64] = KEY_SPACE, + [65] = KEY_BACKSPACE, + [66] = KEY_TAB, + [67] = KEY_KPENTER, + [68] = KEY_ENTER, + [69] = KEY_ESC, + [70] = KEY_DELETE, + [74] = KEY_KPMINUS, + [76] = KEY_UP, + [77] = KEY_DOWN, + [78] = KEY_RIGHT, + [79] = KEY_LEFT, + [80] = KEY_F1, + [81] = KEY_F2, + [82] = KEY_F3, + [83] = KEY_F4, + [84] = KEY_F5, + [85] = KEY_F6, + [86] = KEY_F7, + [87] = KEY_F8, + [88] = KEY_F9, + [89] = KEY_F10, + [90] = KEY_KPLEFTPAREN, + [91] = KEY_KPRIGHTPAREN, + [92] = KEY_KPSLASH, + [93] = KEY_KPASTERISK, + [94] = KEY_KPPLUS, + [95] = KEY_HELP, + [96] = KEY_LEFTSHIFT, + [97] = KEY_RIGHTSHIFT, + [98] = KEY_CAPSLOCK, + [99] = KEY_LEFTCTRL, + [100] = KEY_LEFTALT, + [101] = KEY_RIGHTALT, + [102] = KEY_LEFTMETA, + [103] = KEY_RIGHTMETA +}; + +static const char *amikbd_messages[8] = { + [0] = KERN_ALERT "amikbd: Ctrl-Amiga-Amiga reset warning!!\n", + [1] = KERN_WARNING "amikbd: keyboard lost sync\n", + [2] = KERN_WARNING "amikbd: keyboard buffer overflow\n", + [3] = KERN_WARNING "amikbd: keyboard controller failure\n", + [4] = KERN_ERR "amikbd: keyboard selftest failure\n", + [5] = KERN_INFO "amikbd: initiate power-up key stream\n", + [6] = KERN_INFO "amikbd: terminate power-up key stream\n", + [7] = KERN_WARNING "amikbd: keyboard interrupt\n" +}; + +static struct input_dev amikbd_dev; + +static char *amikbd_name = "Amiga keyboard"; +static char *amikbd_phys = "amikbd/input0"; + +static irqreturn_t amikbd_interrupt(int irq, void *dummy, struct pt_regs *fp) +{ + unsigned char scancode, down; + + scancode = ~ciaa.sdr; /* get and invert scancode (keyboard is active low) */ + ciaa.cra |= 0x40; /* switch SP pin to output for handshake */ + udelay(85); /* wait until 85 us have expired */ + ciaa.cra &= ~0x40; /* switch CIA serial port to input mode */ + + down = !(scancode & 1); /* lowest bit is release bit */ + scancode >>= 1; + + if (scancode < 0x78) { /* scancodes < 0x78 are keys */ + + scancode = amikbd_keycode[scancode]; + + input_regs(&amikbd_dev, fp); + + if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */ + input_report_key(&amikbd_dev, scancode, 1); + input_report_key(&amikbd_dev, scancode, 0); + input_sync(&amikbd_dev); + } else { + input_report_key(&amikbd_dev, scancode, down); + input_sync(&amikbd_dev); + } + } else /* scancodes >= 0x78 are error codes */ + printk(amikbd_messages[scancode - 0x78]); + + return IRQ_HANDLED; +} + +static int __init amikbd_init(void) +{ + int i; + + if (!AMIGAHW_PRESENT(AMI_KEYBOARD)) + return -EIO; + + if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb")) + return -EBUSY; + + init_input_dev(&amikbd_dev); + + amikbd_dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + amikbd_dev.keycode = amikbd_keycode; + amikbd_dev.keycodesize = sizeof(unsigned char); + amikbd_dev.keycodemax = ARRAY_SIZE(amikbd_keycode); + + for (i = 0; i < 0x78; i++) + if (amikbd_keycode[i]) + set_bit(amikbd_keycode[i], amikbd_dev.keybit); + + ciaa.cra &= ~0x41; /* serial data in, turn off TA */ + request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", amikbd_interrupt); + + amikbd_dev.name = amikbd_name; + amikbd_dev.phys = amikbd_phys; + amikbd_dev.id.bustype = BUS_AMIGA; + amikbd_dev.id.vendor = 0x0001; + amikbd_dev.id.product = 0x0001; + amikbd_dev.id.version = 0x0100; + + input_register_device(&amikbd_dev); + + printk(KERN_INFO "input: %s\n", amikbd_name); + + return 0; +} + +static void __exit amikbd_exit(void) +{ + input_unregister_device(&amikbd_dev); + free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt); + release_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100); +} + +module_init(amikbd_init); +module_exit(amikbd_exit); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c new file mode 100644 index 00000000000..f7304f0ce54 --- /dev/null +++ b/drivers/input/keyboard/atkbd.c @@ -0,0 +1,1148 @@ +/* + * AT and PS/2 keyboard driver + * + * Copyright (c) 1999-2002 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. + */ + +/* + * This driver can handle standard AT keyboards and PS/2 keyboards in + * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb + * input-only controllers and AT keyboards connected over a one way RS232 + * converter. + */ + +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/workqueue.h> +#include <linux/libps2.h> + +#define DRIVER_DESC "AT and PS/2 keyboard driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +static int atkbd_set = 2; +module_param_named(set, atkbd_set, int, 0); +MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); + +#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) +static int atkbd_reset; +#else +static int atkbd_reset = 1; +#endif +module_param_named(reset, atkbd_reset, bool, 0); +MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); + +static int atkbd_softrepeat; +module_param_named(softrepeat, atkbd_softrepeat, bool, 0); +MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); + +static int atkbd_softraw = 1; +module_param_named(softraw, atkbd_softraw, bool, 0); +MODULE_PARM_DESC(softraw, "Use software generated rawmode"); + +static int atkbd_scroll = 1; +module_param_named(scroll, atkbd_scroll, bool, 0); +MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); + +static int atkbd_extra; +module_param_named(extra, atkbd_extra, bool, 0); +MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); + +__obsolete_setup("atkbd_set="); +__obsolete_setup("atkbd_reset"); +__obsolete_setup("atkbd_softrepeat="); + +/* + * Scancode to keycode tables. These are just the default setting, and + * are loadable via an userland utility. + */ + +static unsigned char atkbd_set2_keycode[512] = { + +#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES + +/* XXX: need a more general approach */ + +#include "hpps2atkbd.h" /* include the keyboard scancodes */ + +#else + 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, + 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, + 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, + 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, + 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, + 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, + 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, + 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, + 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, + 159, 0,115, 0,164, 0, 0,116,158, 0,150,166, 0, 0, 0,142, + 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, + 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, + 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, + + 0, 0, 0, 65, 99, +#endif +}; + +static unsigned char atkbd_set3_keycode[512] = { + + 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, + 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, + 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, + 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, + 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, + 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, + 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, + 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, + + 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, + 0,139,150,163,165,115,152,150,166,140,160,154,113,114,167,168, + 148,149,147,140 +}; + +static unsigned char atkbd_unxlate_table[128] = { + 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, + 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, + 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, + 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, + 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, + 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, + 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, + 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 +}; + +#define ATKBD_CMD_SETLEDS 0x10ed +#define ATKBD_CMD_GSCANSET 0x11f0 +#define ATKBD_CMD_SSCANSET 0x10f0 +#define ATKBD_CMD_GETID 0x02f2 +#define ATKBD_CMD_SETREP 0x10f3 +#define ATKBD_CMD_ENABLE 0x00f4 +#define ATKBD_CMD_RESET_DIS 0x00f5 +#define ATKBD_CMD_SETALL_MBR 0x00fa +#define ATKBD_CMD_RESET_BAT 0x02ff +#define ATKBD_CMD_RESEND 0x00fe +#define ATKBD_CMD_EX_ENABLE 0x10ea +#define ATKBD_CMD_EX_SETLEDS 0x20eb +#define ATKBD_CMD_OK_GETID 0x02e8 + +#define ATKBD_RET_ACK 0xfa +#define ATKBD_RET_NAK 0xfe +#define ATKBD_RET_BAT 0xaa +#define ATKBD_RET_EMUL0 0xe0 +#define ATKBD_RET_EMUL1 0xe1 +#define ATKBD_RET_RELEASE 0xf0 +#define ATKBD_RET_HANGUEL 0xf1 +#define ATKBD_RET_HANJA 0xf2 +#define ATKBD_RET_ERR 0xff + +#define ATKBD_KEY_UNKNOWN 0 +#define ATKBD_KEY_NULL 255 + +#define ATKBD_SCR_1 254 +#define ATKBD_SCR_2 253 +#define ATKBD_SCR_4 252 +#define ATKBD_SCR_8 251 +#define ATKBD_SCR_CLICK 250 +#define ATKBD_SCR_LEFT 249 +#define ATKBD_SCR_RIGHT 248 + +#define ATKBD_SPECIAL 248 + +static struct { + unsigned char keycode; + unsigned char set2; +} atkbd_scroll_keys[] = { + { ATKBD_SCR_1, 0xc5 }, + { ATKBD_SCR_2, 0xa9 }, + { ATKBD_SCR_4, 0xb6 }, + { ATKBD_SCR_8, 0xa7 }, + { ATKBD_SCR_CLICK, 0xe0 }, + { ATKBD_SCR_LEFT, 0xcb }, + { ATKBD_SCR_RIGHT, 0xd2 }, +}; + +/* + * The atkbd control structure + */ + +struct atkbd { + + struct ps2dev ps2dev; + + /* Written only during init */ + char name[64]; + char phys[32]; + struct input_dev dev; + + unsigned short id; + unsigned char keycode[512]; + unsigned char set; + unsigned char translated; + unsigned char extra; + unsigned char write; + unsigned char softrepeat; + unsigned char softraw; + unsigned char scroll; + unsigned char enabled; + + /* Accessed only from interrupt */ + unsigned char emul; + unsigned char resend; + unsigned char release; + unsigned char bat_xl; + unsigned int last; + unsigned long time; +}; + +static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, + ssize_t (*handler)(struct atkbd *, char *)); +static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, + ssize_t (*handler)(struct atkbd *, const char *, size_t)); +#define ATKBD_DEFINE_ATTR(_name) \ +static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ +static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ +static ssize_t atkbd_do_show_##_name(struct device *d, char *b) \ +{ \ + return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ +} \ +static ssize_t atkbd_do_set_##_name(struct device *d, const char *b, size_t s) \ +{ \ + return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ +} \ +static struct device_attribute atkbd_attr_##_name = \ + __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); + +ATKBD_DEFINE_ATTR(extra); +ATKBD_DEFINE_ATTR(scroll); +ATKBD_DEFINE_ATTR(set); +ATKBD_DEFINE_ATTR(softrepeat); +ATKBD_DEFINE_ATTR(softraw); + + +static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value) +{ + input_regs(dev, regs); + if (value == 3) { + input_report_key(dev, code, 1); + input_sync(dev); + input_report_key(dev, code, 0); + } else + input_event(dev, EV_KEY, code, value); + input_sync(dev); +} + +/* + * atkbd_interrupt(). Here takes place processing of data received from + * the keyboard into events. + */ + +static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, + unsigned int flags, struct pt_regs *regs) +{ + struct atkbd *atkbd = serio_get_drvdata(serio); + unsigned int code = data; + int scroll = 0, hscroll = 0, click = -1; + int value; + +#ifdef ATKBD_DEBUG + printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); +#endif + +#if !defined(__i386__) && !defined (__x86_64__) + if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { + printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); + serio_write(serio, ATKBD_CMD_RESEND); + atkbd->resend = 1; + goto out; + } + + if (!flags && data == ATKBD_RET_ACK) + atkbd->resend = 0; +#endif + + if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) + if (ps2_handle_ack(&atkbd->ps2dev, data)) + goto out; + + if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) + if (ps2_handle_response(&atkbd->ps2dev, data)) + goto out; + + if (!atkbd->enabled) + goto out; + + input_event(&atkbd->dev, EV_MSC, MSC_RAW, code); + + if (atkbd->translated) { + + if (atkbd->emul || + !(code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1 || + code == ATKBD_RET_HANGUEL || code == ATKBD_RET_HANJA || + code == ATKBD_RET_ERR || + (code == ATKBD_RET_BAT && !atkbd->bat_xl))) { + atkbd->release = code >> 7; + code &= 0x7f; + } + + if (!atkbd->emul && + (code & 0x7f) == (ATKBD_RET_BAT & 0x7f)) + atkbd->bat_xl = !atkbd->release; + } + + switch (code) { + case ATKBD_RET_BAT: + atkbd->enabled = 0; + serio_rescan(atkbd->ps2dev.serio); + goto out; + case ATKBD_RET_EMUL0: + atkbd->emul = 1; + goto out; + case ATKBD_RET_EMUL1: + atkbd->emul = 2; + goto out; + case ATKBD_RET_RELEASE: + atkbd->release = 1; + goto out; + case ATKBD_RET_HANGUEL: + atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3); + goto out; + case ATKBD_RET_HANJA: + atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3); + goto out; + case ATKBD_RET_ERR: + printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); + goto out; + } + + if (atkbd->set != 3) + code = (code & 0x7f) | ((code & 0x80) << 1); + if (atkbd->emul) { + if (--atkbd->emul) + goto out; + code |= (atkbd->set != 3) ? 0x80 : 0x100; + } + + if (atkbd->keycode[code] != ATKBD_KEY_NULL) + input_event(&atkbd->dev, EV_MSC, MSC_SCAN, code); + + switch (atkbd->keycode[code]) { + case ATKBD_KEY_NULL: + break; + case ATKBD_KEY_UNKNOWN: + if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) { + printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, " + "like XFree86, might be trying access hardware directly.\n", + data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); + } else { + printk(KERN_WARNING "atkbd.c: Unknown key %s " + "(%s set %d, code %#x on %s).\n", + atkbd->release ? "released" : "pressed", + atkbd->translated ? "translated" : "raw", + atkbd->set, code, serio->phys); + printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' " + "to make it known.\n", + code & 0x80 ? "e0" : "", code & 0x7f); + } + input_sync(&atkbd->dev); + break; + case ATKBD_SCR_1: + scroll = 1 - atkbd->release * 2; + break; + case ATKBD_SCR_2: + scroll = 2 - atkbd->release * 4; + break; + case ATKBD_SCR_4: + scroll = 4 - atkbd->release * 8; + break; + case ATKBD_SCR_8: + scroll = 8 - atkbd->release * 16; + break; + case ATKBD_SCR_CLICK: + click = !atkbd->release; + break; + case ATKBD_SCR_LEFT: + hscroll = -1; + break; + case ATKBD_SCR_RIGHT: + hscroll = 1; + break; + default: + value = atkbd->release ? 0 : + (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev.key))); + + switch (value) { /* Workaround Toshiba laptop multiple keypress */ + case 0: + atkbd->last = 0; + break; + case 1: + atkbd->last = code; + atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev.rep[REP_DELAY]) / 2; + break; + case 2: + if (!time_after(jiffies, atkbd->time) && atkbd->last == code) + value = 1; + break; + } + + atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value); + } + + if (atkbd->scroll) { + input_regs(&atkbd->dev, regs); + if (click != -1) + input_report_key(&atkbd->dev, BTN_MIDDLE, click); + input_report_rel(&atkbd->dev, REL_WHEEL, scroll); + input_report_rel(&atkbd->dev, REL_HWHEEL, hscroll); + input_sync(&atkbd->dev); + } + + atkbd->release = 0; +out: + return IRQ_HANDLED; +} + +/* + * Event callback from the input module. Events that change the state of + * the hardware are processed here. + */ + +static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +{ + struct atkbd *atkbd = dev->private; + const short period[32] = + { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, + 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; + const short delay[4] = + { 250, 500, 750, 1000 }; + unsigned char param[2]; + int i, j; + + if (!atkbd->write) + return -1; + + switch (type) { + + case EV_LED: + + param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) + | (test_bit(LED_NUML, dev->led) ? 2 : 0) + | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); + ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS); + + if (atkbd->extra) { + param[0] = 0; + param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) + | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) + | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) + | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) + | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); + ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS); + } + + return 0; + + + case EV_REP: + + if (atkbd->softrepeat) return 0; + + i = j = 0; + while (i < 32 && period[i] < dev->rep[REP_PERIOD]) i++; + while (j < 4 && delay[j] < dev->rep[REP_DELAY]) j++; + dev->rep[REP_PERIOD] = period[i]; + dev->rep[REP_DELAY] = delay[j]; + param[0] = i | (j << 5); + ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP); + + return 0; + } + + return -1; +} + +/* + * atkbd_enable() signals that interrupt handler is allowed to + * generate input events. + */ + +static inline void atkbd_enable(struct atkbd *atkbd) +{ + serio_pause_rx(atkbd->ps2dev.serio); + atkbd->enabled = 1; + serio_continue_rx(atkbd->ps2dev.serio); +} + +/* + * atkbd_disable() tells input handler that all incoming data except + * for ACKs and command response should be dropped. + */ + +static inline void atkbd_disable(struct atkbd *atkbd) +{ + serio_pause_rx(atkbd->ps2dev.serio); + atkbd->enabled = 0; + serio_continue_rx(atkbd->ps2dev.serio); +} + +/* + * atkbd_probe() probes for an AT keyboard on a serio port. + */ + +static int atkbd_probe(struct atkbd *atkbd) +{ + struct ps2dev *ps2dev = &atkbd->ps2dev; + unsigned char param[2]; + +/* + * Some systems, where the bit-twiddling when testing the io-lines of the + * controller may confuse the keyboard need a full reset of the keyboard. On + * these systems the BIOS also usually doesn't do it for us. + */ + + if (atkbd_reset) + if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) + printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); + +/* + * Then we check the keyboard ID. We should get 0xab83 under normal conditions. + * Some keyboards report different values, but the first byte is always 0xab or + * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this + * should make sure we don't try to set the LEDs on it. + */ + + param[0] = param[1] = 0xa5; /* initialize with invalid values */ + if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { + +/* + * If the get ID command failed, we check if we can at least set the LEDs on + * the keyboard. This should work on every keyboard out there. It also turns + * the LEDs off, which we want anyway. + */ + param[0] = 0; + if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) + return -1; + atkbd->id = 0xabba; + return 0; + } + + if (param[0] != 0xab && param[0] != 0xac && /* Regular and NCD Sun keyboards */ + param[0] != 0x2b && param[0] != 0x5d && /* Trust keyboard, raw and translated */ + param[0] != 0x60 && param[0] != 0x47) /* NMB SGI keyboard, raw and translated */ + return -1; + + atkbd->id = (param[0] << 8) | param[1]; + + if (atkbd->id == 0xaca1 && atkbd->translated) { + printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); + printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); + return -1; + } + + return 0; +} + +/* + * atkbd_select_set checks if a keyboard has a working Set 3 support, and + * sets it into that. Unfortunately there are keyboards that can be switched + * to Set 3, but don't work well in that (BTC Multimedia ...) + */ + +static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) +{ + struct ps2dev *ps2dev = &atkbd->ps2dev; + unsigned char param[2]; + + atkbd->extra = 0; +/* + * For known special keyboards we can go ahead and set the correct set. + * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and + * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. + */ + + if (atkbd->translated) + return 2; + + if (atkbd->id == 0xaca1) { + param[0] = 3; + ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); + return 3; + } + + if (allow_extra) { + param[0] = 0x71; + if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { + atkbd->extra = 1; + return 2; + } + } + + if (target_set != 3) + return 2; + + if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { + atkbd->id = param[0] << 8 | param[1]; + return 2; + } + + param[0] = 3; + if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) + return 2; + + param[0] = 0; + if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) + return 2; + + if (param[0] != 3) { + param[0] = 2; + if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) + return 2; + } + + ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); + + return 3; +} + +static int atkbd_activate(struct atkbd *atkbd) +{ + struct ps2dev *ps2dev = &atkbd->ps2dev; + unsigned char param[1]; + +/* + * Set the LEDs to a defined state. + */ + + param[0] = 0; + if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) + return -1; + +/* + * Set autorepeat to fastest possible. + */ + + param[0] = 0; + if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) + return -1; + +/* + * Enable the keyboard to receive keystrokes. + */ + + if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { + printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", + ps2dev->serio->phys); + return -1; + } + + return 0; +} + +/* + * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a + * reboot. + */ + +static void atkbd_cleanup(struct serio *serio) +{ + struct atkbd *atkbd = serio_get_drvdata(serio); + ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); +} + + +/* + * atkbd_disconnect() closes and frees. + */ + +static void atkbd_disconnect(struct serio *serio) +{ + struct atkbd *atkbd = serio_get_drvdata(serio); + + atkbd_disable(atkbd); + + /* make sure we don't have a command in flight */ + synchronize_kernel(); + flush_scheduled_work(); + + device_remove_file(&serio->dev, &atkbd_attr_extra); + device_remove_file(&serio->dev, &atkbd_attr_scroll); + device_remove_file(&serio->dev, &atkbd_attr_set); + device_remove_file(&serio->dev, &atkbd_attr_softrepeat); + device_remove_file(&serio->dev, &atkbd_attr_softraw); + + input_unregister_device(&atkbd->dev); + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(atkbd); +} + + +/* + * atkbd_set_device_attrs() initializes keyboard's keycode table + * according to the selected scancode set + */ + +static void atkbd_set_keycode_table(struct atkbd *atkbd) +{ + int i, j; + + memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); + + if (atkbd->translated) { + for (i = 0; i < 128; i++) { + atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]]; + atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80]; + if (atkbd->scroll) + for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) + if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2) + atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; + } + } else if (atkbd->set == 3) { + memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); + } else { + memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); + + if (atkbd->scroll) + for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) + atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode; + } +} + +/* + * atkbd_set_device_attrs() sets up keyboard's input device structure + */ + +static void atkbd_set_device_attrs(struct atkbd *atkbd) +{ + int i; + + memset(&atkbd->dev, 0, sizeof(struct input_dev)); + + init_input_dev(&atkbd->dev); + + atkbd->dev.name = atkbd->name; + atkbd->dev.phys = atkbd->phys; + atkbd->dev.id.bustype = BUS_I8042; + atkbd->dev.id.vendor = 0x0001; + atkbd->dev.id.product = atkbd->translated ? 1 : atkbd->set; + atkbd->dev.id.version = atkbd->id; + atkbd->dev.event = atkbd_event; + atkbd->dev.private = atkbd; + atkbd->dev.dev = &atkbd->ps2dev.serio->dev; + + atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC); + + if (atkbd->write) { + atkbd->dev.evbit[0] |= BIT(EV_LED); + atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + } + + if (atkbd->extra) + atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | + BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC); + + if (!atkbd->softrepeat) { + atkbd->dev.rep[REP_DELAY] = 250; + atkbd->dev.rep[REP_PERIOD] = 33; + } + + atkbd->dev.mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN); + + if (atkbd->scroll) { + atkbd->dev.evbit[0] |= BIT(EV_REL); + atkbd->dev.relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL); + set_bit(BTN_MIDDLE, atkbd->dev.keybit); + } + + atkbd->dev.keycode = atkbd->keycode; + atkbd->dev.keycodesize = sizeof(unsigned char); + atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode); + + for (i = 0; i < 512; i++) + if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) + set_bit(atkbd->keycode[i], atkbd->dev.keybit); +} + +/* + * atkbd_connect() is called when the serio module finds an interface + * that isn't handled yet by an appropriate device driver. We check if + * there is an AT keyboard out there and if yes, we register ourselves + * to the input module. + */ + +static int atkbd_connect(struct serio *serio, struct serio_driver *drv) +{ + struct atkbd *atkbd; + int err; + + if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL))) + return - ENOMEM; + + memset(atkbd, 0, sizeof(struct atkbd)); + + ps2_init(&atkbd->ps2dev, serio); + + switch (serio->id.type) { + + case SERIO_8042_XL: + atkbd->translated = 1; + case SERIO_8042: + if (serio->write) + atkbd->write = 1; + break; + } + + atkbd->softraw = atkbd_softraw; + atkbd->softrepeat = atkbd_softrepeat; + atkbd->scroll = atkbd_scroll; + + if (!atkbd->write) + atkbd->softrepeat = 1; + + if (atkbd->softrepeat) + atkbd->softraw = 1; + + serio_set_drvdata(serio, atkbd); + + err = serio_open(serio, drv); + if (err) { + serio_set_drvdata(serio, NULL); + kfree(atkbd); + return err; + } + + if (atkbd->write) { + + if (atkbd_probe(atkbd)) { + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(atkbd); + return -ENODEV; + } + + atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); + atkbd_activate(atkbd); + + } else { + atkbd->set = 2; + atkbd->id = 0xab00; + } + + if (atkbd->extra) + sprintf(atkbd->name, "AT Set 2 Extra keyboard"); + else + sprintf(atkbd->name, "AT %s Set %d keyboard", + atkbd->translated ? "Translated" : "Raw", atkbd->set); + + sprintf(atkbd->phys, "%s/input0", serio->phys); + + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + input_register_device(&atkbd->dev); + + device_create_file(&serio->dev, &atkbd_attr_extra); + device_create_file(&serio->dev, &atkbd_attr_scroll); + device_create_file(&serio->dev, &atkbd_attr_set); + device_create_file(&serio->dev, &atkbd_attr_softrepeat); + device_create_file(&serio->dev, &atkbd_attr_softraw); + + atkbd_enable(atkbd); + + printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys); + + return 0; +} + +/* + * atkbd_reconnect() tries to restore keyboard into a sane state and is + * most likely called on resume. + */ + +static int atkbd_reconnect(struct serio *serio) +{ + struct atkbd *atkbd = serio_get_drvdata(serio); + struct serio_driver *drv = serio->drv; + unsigned char param[1]; + + if (!atkbd || !drv) { + printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); + return -1; + } + + atkbd_disable(atkbd); + + if (atkbd->write) { + param[0] = (test_bit(LED_SCROLLL, atkbd->dev.led) ? 1 : 0) + | (test_bit(LED_NUML, atkbd->dev.led) ? 2 : 0) + | (test_bit(LED_CAPSL, atkbd->dev.led) ? 4 : 0); + + if (atkbd_probe(atkbd)) + return -1; + if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) + return -1; + + atkbd_activate(atkbd); + + if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) + return -1; + } + + atkbd_enable(atkbd); + + return 0; +} + +static struct serio_device_id atkbd_serio_ids[] = { + { + .type = SERIO_8042, + .proto = SERIO_ANY, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { + .type = SERIO_8042_XL, + .proto = SERIO_ANY, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { + .type = SERIO_RS232, + .proto = SERIO_PS2SER, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); + +static struct serio_driver atkbd_drv = { + .driver = { + .name = "atkbd", + }, + .description = DRIVER_DESC, + .id_table = atkbd_serio_ids, + .interrupt = atkbd_interrupt, + .connect = atkbd_connect, + .reconnect = atkbd_reconnect, + .disconnect = atkbd_disconnect, + .cleanup = atkbd_cleanup, +}; + +static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, + ssize_t (*handler)(struct atkbd *, char *)) +{ + struct serio *serio = to_serio_port(dev); + int retval; + + retval = serio_pin_driver(serio); + if (retval) + return retval; + + if (serio->drv != &atkbd_drv) { + retval = -ENODEV; + goto out; + } + + retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); + +out: + serio_unpin_driver(serio); + return retval; +} + +static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, + ssize_t (*handler)(struct atkbd *, const char *, size_t)) +{ + struct serio *serio = to_serio_port(dev); + struct atkbd *atkbd; + int retval; + + retval = serio_pin_driver(serio); + if (retval) + return retval; + + if (serio->drv != &atkbd_drv) { + retval = -ENODEV; + goto out; + } + + atkbd = serio_get_drvdata(serio); + atkbd_disable(atkbd); + retval = handler(atkbd, buf, count); + atkbd_enable(atkbd); + +out: + serio_unpin_driver(serio); + return retval; +} + +static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); +} + +static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) +{ + unsigned long value; + char *rest; + + if (!atkbd->write) + return -EIO; + + value = simple_strtoul(buf, &rest, 10); + if (*rest || value > 1) + return -EINVAL; + + if (atkbd->extra != value) { + /* unregister device as it's properties will change */ + input_unregister_device(&atkbd->dev); + atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); + atkbd_activate(atkbd); + atkbd_set_device_attrs(atkbd); + input_register_device(&atkbd->dev); + } + return count; +} + +static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); +} + +static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) +{ + unsigned long value; + char *rest; + + value = simple_strtoul(buf, &rest, 10); + if (*rest || value > 1) + return -EINVAL; + + if (atkbd->scroll != value) { + /* unregister device as it's properties will change */ + input_unregister_device(&atkbd->dev); + atkbd->scroll = value; + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + input_register_device(&atkbd->dev); + } + return count; +} + +static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%d\n", atkbd->set); +} + +static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) +{ + unsigned long value; + char *rest; + + if (!atkbd->write) + return -EIO; + + value = simple_strtoul(buf, &rest, 10); + if (*rest || (value != 2 && value != 3)) + return -EINVAL; + + if (atkbd->set != value) { + /* unregister device as it's properties will change */ + input_unregister_device(&atkbd->dev); + atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); + atkbd_activate(atkbd); + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + input_register_device(&atkbd->dev); + } + return count; +} + +static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); +} + +static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) +{ + unsigned long value; + char *rest; + + if (!atkbd->write) + return -EIO; + + value = simple_strtoul(buf, &rest, 10); + if (*rest || value > 1) + return -EINVAL; + + if (atkbd->softrepeat != value) { + /* unregister device as it's properties will change */ + input_unregister_device(&atkbd->dev); + atkbd->softrepeat = value; + if (atkbd->softrepeat) + atkbd->softraw = 1; + atkbd_set_device_attrs(atkbd); + input_register_device(&atkbd->dev); + } + + return count; +} + + +static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) +{ + return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); +} + +static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) +{ + unsigned long value; + char *rest; + + value = simple_strtoul(buf, &rest, 10); + if (*rest || value > 1) + return -EINVAL; + + if (atkbd->softraw != value) { + /* unregister device as it's properties will change */ + input_unregister_device(&atkbd->dev); + atkbd->softraw = value; + atkbd_set_device_attrs(atkbd); + input_register_device(&atkbd->dev); + } + return count; +} + + +static int __init atkbd_init(void) +{ + serio_register_driver(&atkbd_drv); + return 0; +} + +static void __exit atkbd_exit(void) +{ + serio_unregister_driver(&atkbd_drv); +} + +module_init(atkbd_init); +module_exit(atkbd_exit); diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c new file mode 100644 index 00000000000..0f1220a0ceb --- /dev/null +++ b/drivers/input/keyboard/corgikbd.c @@ -0,0 +1,361 @@ +/* + * Keyboard driver for Sharp Corgi models (SL-C7xx) + * + * Copyright (c) 2004-2005 Richard Purdie + * + * Based on xtkbd.c/locomkbd.c + * + * 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/delay.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <asm/irq.h> + +#include <asm/arch/corgi.h> +#include <asm/arch/hardware.h> +#include <asm/arch/pxa-regs.h> +#include <asm/hardware/scoop.h> + +#define KB_ROWS 8 +#define KB_COLS 12 +#define KB_ROWMASK(r) (1 << (r)) +#define SCANCODE(r,c) ( ((r)<<4) + (c) + 1 ) +/* zero code, 124 scancodes + 3 hinge combinations */ +#define NR_SCANCODES ( SCANCODE(KB_ROWS-1,KB_COLS-1) +1 +1 +3 ) +#define SCAN_INTERVAL (HZ/10) +#define CORGIKBD_PRESSED 1 + +#define HINGE_SCAN_INTERVAL (HZ/4) + +#define CORGI_KEY_CALENDER KEY_F1 +#define CORGI_KEY_ADDRESS KEY_F2 +#define CORGI_KEY_FN KEY_F3 +#define CORGI_KEY_OFF KEY_SUSPEND +#define CORGI_KEY_EXOK KEY_F5 +#define CORGI_KEY_EXCANCEL KEY_F6 +#define CORGI_KEY_EXJOGDOWN KEY_F7 +#define CORGI_KEY_EXJOGUP KEY_F8 +#define CORGI_KEY_JAP1 KEY_LEFTCTRL +#define CORGI_KEY_JAP2 KEY_LEFTALT +#define CORGI_KEY_OK KEY_F11 +#define CORGI_KEY_MENU KEY_F12 +#define CORGI_HINGE_0 KEY_KP0 +#define CORGI_HINGE_1 KEY_KP1 +#define CORGI_HINGE_2 KEY_KP2 + +static unsigned char corgikbd_keycode[NR_SCANCODES] = { + 0, /* 0 */ + 0, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, 0, 0, 0, 0, 0, 0, 0, /* 1-16 */ + 0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, 0, 0, 0, 0, 0, 0, 0, /* 17-32 */ + KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0, /* 33-48 */ + CORGI_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */ + CORGI_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, 0, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, /* 65-80 */ + KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, 0, CORGI_KEY_FN, 0, 0, 0, 0, /* 81-96 */ + KEY_SYSRQ, CORGI_KEY_JAP1, CORGI_KEY_JAP2, KEY_CANCEL, CORGI_KEY_OK, CORGI_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0, /* 97-112 */ + CORGI_KEY_OFF, CORGI_KEY_EXOK, CORGI_KEY_EXCANCEL, CORGI_KEY_EXJOGDOWN, CORGI_KEY_EXJOGUP, 0, 0, 0, 0, 0, 0, 0, /* 113-124 */ + CORGI_HINGE_0, CORGI_HINGE_1, CORGI_HINGE_2 /* 125-127 */ +}; + + +struct corgikbd { + unsigned char keycode[ARRAY_SIZE(corgikbd_keycode)]; + struct input_dev input; + char phys[32]; + + unsigned char state[ARRAY_SIZE(corgikbd_keycode)]; + spinlock_t lock; + + struct timer_list timer; + struct timer_list htimer; +}; + +static void handle_scancode(unsigned int pressed,unsigned int scancode, struct corgikbd *corgikbd_data) +{ + if (pressed && !(corgikbd_data->state[scancode] & CORGIKBD_PRESSED)) { + corgikbd_data->state[scancode] |= CORGIKBD_PRESSED; + input_report_key(&corgikbd_data->input, corgikbd_data->keycode[scancode], 1); + if (corgikbd_data->keycode[scancode] == CORGI_KEY_OFF) + input_event(&corgikbd_data->input, EV_PWR, CORGI_KEY_OFF, 1); + } else if (!pressed && corgikbd_data->state[scancode] & CORGIKBD_PRESSED) { + corgikbd_data->state[scancode] &= ~CORGIKBD_PRESSED; + input_report_key(&corgikbd_data->input, corgikbd_data->keycode[scancode], 0); + } +} + +#define KB_DISCHARGE_DELAY 10 +#define KB_ACTIVATE_DELAY 10 + +/* Helper functions for reading the keyboard matrix + * Note: We should really be using pxa_gpio_mode to alter GPDR but it + * requires a function call per GPIO bit which is excessive + * when we need to access 12 bits at once multiple times. + * These functions must be called within local_irq_save()/local_irq_restore() + * or similar. + */ +static inline void corgikbd_discharge_all(void) +{ + // STROBE All HiZ + GPCR2 = CORGI_GPIO_ALL_STROBE_BIT; + GPDR2 &= ~CORGI_GPIO_ALL_STROBE_BIT; +} + +static inline void corgikbd_activate_all(void) +{ + // STROBE ALL -> High + GPSR2 = CORGI_GPIO_ALL_STROBE_BIT; + GPDR2 |= CORGI_GPIO_ALL_STROBE_BIT; + + udelay(KB_DISCHARGE_DELAY); + + // Clear any interrupts we may have triggered when altering the GPIO lines + GEDR1 = CORGI_GPIO_HIGH_SENSE_BIT; + GEDR2 = CORGI_GPIO_LOW_SENSE_BIT; +} + +static inline void corgikbd_activate_col(int col) +{ + // STROBE col -> High, not col -> HiZ + GPSR2 = CORGI_GPIO_STROBE_BIT(col); + GPDR2 = (GPDR2 & ~CORGI_GPIO_ALL_STROBE_BIT) | CORGI_GPIO_STROBE_BIT(col); +} + +static inline void corgikbd_reset_col(int col) +{ + // STROBE col -> Low + GPCR2 = CORGI_GPIO_STROBE_BIT(col); + // STROBE col -> out, not col -> HiZ + GPDR2 = (GPDR2 & ~CORGI_GPIO_ALL_STROBE_BIT) | CORGI_GPIO_STROBE_BIT(col); +} + +#define GET_ROWS_STATUS(c) (((GPLR1 & CORGI_GPIO_HIGH_SENSE_BIT) >> CORGI_GPIO_HIGH_SENSE_RSHIFT) | ((GPLR2 & CORGI_GPIO_LOW_SENSE_BIT) << CORGI_GPIO_LOW_SENSE_LSHIFT)) + +/* + * The corgi keyboard only generates interrupts when a key is pressed. + * When a key is pressed, we enable a timer which then scans the + * keyboard to detect when the key is released. + */ + +/* Scan the hardware keyboard and push any changes up through the input layer */ +static void corgikbd_scankeyboard(struct corgikbd *corgikbd_data, struct pt_regs *regs) +{ + unsigned int row, col, rowd, scancode; + unsigned long flags; + unsigned int num_pressed; + + spin_lock_irqsave(&corgikbd_data->lock, flags); + + if (regs) + input_regs(&corgikbd_data->input, regs); + + num_pressed = 0; + for (col = 0; col < KB_COLS; col++) { + /* + * Discharge the output driver capacitatance + * in the keyboard matrix. (Yes it is significant..) + */ + + corgikbd_discharge_all(); + udelay(KB_DISCHARGE_DELAY); + + corgikbd_activate_col(col); + udelay(KB_ACTIVATE_DELAY); + + rowd = GET_ROWS_STATUS(col); + for (row = 0; row < KB_ROWS; row++) { + scancode = SCANCODE(row, col); + handle_scancode((rowd & KB_ROWMASK(row)), scancode, corgikbd_data); + if (rowd & KB_ROWMASK(row)) + num_pressed++; + } + corgikbd_reset_col(col); + } + + corgikbd_activate_all(); + + input_sync(&corgikbd_data->input); + + /* if any keys are pressed, enable the timer */ + if (num_pressed) + mod_timer(&corgikbd_data->timer, jiffies + SCAN_INTERVAL); + + spin_unlock_irqrestore(&corgikbd_data->lock, flags); +} + +/* + * corgi keyboard interrupt handler. + */ +static irqreturn_t corgikbd_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct corgikbd *corgikbd_data = dev_id; + + if (!timer_pending(&corgikbd_data->timer)) { + /** wait chattering delay **/ + udelay(20); + corgikbd_scankeyboard(corgikbd_data, regs); + } + + return IRQ_HANDLED; +} + +/* + * corgi timer checking for released keys + */ +static void corgikbd_timer_callback(unsigned long data) +{ + struct corgikbd *corgikbd_data = (struct corgikbd *) data; + corgikbd_scankeyboard(corgikbd_data, NULL); +} + +/* + * The hinge switches generate no interrupt so they need to be + * monitored by a timer. + * + * When we detect changes, we debounce it and then pass the three + * positions the system can take as keypresses to the input system. + */ + +#define HINGE_STABLE_COUNT 2 +static int sharpsl_hinge_state; +static int hinge_count; + +static void corgikbd_hinge_timer(unsigned long data) +{ + struct corgikbd *corgikbd_data = (struct corgikbd *) data; + unsigned long gprr; + unsigned long flags; + + gprr = read_scoop_reg(SCOOP_GPRR) & (CORGI_SCP_SWA | CORGI_SCP_SWB); + if (gprr != sharpsl_hinge_state) { + hinge_count = 0; + sharpsl_hinge_state = gprr; + } else if (hinge_count < HINGE_STABLE_COUNT) { + hinge_count++; + if (hinge_count >= HINGE_STABLE_COUNT) { + spin_lock_irqsave(&corgikbd_data->lock, flags); + + handle_scancode((sharpsl_hinge_state == 0x00), 125, corgikbd_data); /* Keyboard with Landscape Screen */ + handle_scancode((sharpsl_hinge_state == 0x08), 126, corgikbd_data); /* No Keyboard with Portrait Screen */ + handle_scancode((sharpsl_hinge_state == 0x0c), 127, corgikbd_data); /* Keyboard and Screen Closed */ + input_sync(&corgikbd_data->input); + + spin_unlock_irqrestore(&corgikbd_data->lock, flags); + } + } + mod_timer(&corgikbd_data->htimer, jiffies + HINGE_SCAN_INTERVAL); +} + +static int __init corgikbd_probe(struct device *dev) +{ + int i; + struct corgikbd *corgikbd; + + corgikbd = kcalloc(1, sizeof(struct corgikbd), GFP_KERNEL); + if (!corgikbd) + return -ENOMEM; + + dev_set_drvdata(dev,corgikbd); + strcpy(corgikbd->phys, "corgikbd/input0"); + + spin_lock_init(corgikbd->lock); + + /* Init Keyboard rescan timer */ + init_timer(&corgikbd->timer); + corgikbd->timer.function = corgikbd_timer_callback; + corgikbd->timer.data = (unsigned long) corgikbd; + + /* Init Hinge Timer */ + init_timer(&corgikbd->htimer); + corgikbd->htimer.function = corgikbd_hinge_timer; + corgikbd->htimer.data = (unsigned long) corgikbd; + + init_input_dev(&corgikbd->input); + corgikbd->input.private = corgikbd; + corgikbd->input.name = "Corgi Keyboard"; + corgikbd->input.dev = dev; + corgikbd->input.phys = corgikbd->phys; + corgikbd->input.id.bustype = BUS_HOST; + corgikbd->input.id.vendor = 0x0001; + corgikbd->input.id.product = 0x0001; + corgikbd->input.id.version = 0x0100; + corgikbd->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR); + corgikbd->input.keycode = corgikbd->keycode; + corgikbd->input.keycodesize = sizeof(unsigned char); + corgikbd->input.keycodemax = ARRAY_SIZE(corgikbd_keycode); + + memcpy(corgikbd->keycode, corgikbd_keycode, sizeof(corgikbd->keycode)); + for (i = 0; i < ARRAY_SIZE(corgikbd_keycode); i++) + set_bit(corgikbd->keycode[i], corgikbd->input.keybit); + clear_bit(0, corgikbd->input.keybit); + + input_register_device(&corgikbd->input); + mod_timer(&corgikbd->htimer, jiffies + HINGE_SCAN_INTERVAL); + + /* Setup sense interrupts - RisingEdge Detect, sense lines as inputs */ + for (i = 0; i < CORGI_KEY_SENSE_NUM; i++) { + pxa_gpio_mode(CORGI_GPIO_KEY_SENSE(i) | GPIO_IN); + if (request_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd_interrupt, + SA_INTERRUPT, "corgikbd", corgikbd)) + printk(KERN_WARNING "corgikbd: Can't get IRQ: %d!\n", i); + else + set_irq_type(CORGI_IRQ_GPIO_KEY_SENSE(i),IRQT_RISING); + } + + /* Set Strobe lines as outputs - set high */ + for (i = 0; i < CORGI_KEY_STROBE_NUM; i++) + pxa_gpio_mode(CORGI_GPIO_KEY_STROBE(i) | GPIO_OUT | GPIO_DFLT_HIGH); + + printk(KERN_INFO "input: Corgi Keyboard Registered\n"); + + return 0; +} + +static int corgikbd_remove(struct device *dev) +{ + int i; + struct corgikbd *corgikbd = dev_get_drvdata(dev); + + for (i = 0; i < CORGI_KEY_SENSE_NUM; i++) + free_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd); + + del_timer_sync(&corgikbd->htimer); + del_timer_sync(&corgikbd->timer); + + input_unregister_device(&corgikbd->input); + + kfree(corgikbd); + + return 0; +} + +static struct device_driver corgikbd_driver = { + .name = "corgi-keyboard", + .bus = &platform_bus_type, + .probe = corgikbd_probe, + .remove = corgikbd_remove, +}; + +static int __devinit corgikbd_init(void) +{ + return driver_register(&corgikbd_driver); +} + +static void __exit corgikbd_exit(void) +{ + driver_unregister(&corgikbd_driver); +} + +module_init(corgikbd_init); +module_exit(corgikbd_exit); + +MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>"); +MODULE_DESCRIPTION("Corgi Keyboard Driver"); +MODULE_LICENSE("GPLv2"); diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c new file mode 100644 index 00000000000..ef78bffed5e --- /dev/null +++ b/drivers/input/keyboard/hil_kbd.c @@ -0,0 +1,375 @@ +/* + * Generic linux-input device driver for keyboard devices + * + * Copyright (c) 2001 Brian S. Julin + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL"). + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * + * References: + * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A + * + */ + +#include <linux/hil.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/pci_ids.h> + +#define PREFIX "HIL KEYB: " +#define HIL_GENERIC_NAME "HIL keyboard" + +MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); +MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver"); +MODULE_LICENSE("Dual BSD/GPL"); + +#define HIL_KBD_MAX_LENGTH 16 + +#define HIL_KBD_SET1_UPBIT 0x01 +#define HIL_KBD_SET1_SHIFT 1 +static unsigned int hil_kbd_set1[HIL_KEYCODES_SET1_TBLSIZE] = + { HIL_KEYCODES_SET1 }; + +#define HIL_KBD_SET2_UPBIT 0x01 +#define HIL_KBD_SET2_SHIFT 1 +/* Set2 is user defined */ + +#define HIL_KBD_SET3_UPBIT 0x80 +#define HIL_KBD_SET3_SHIFT 0 +static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] = + { HIL_KEYCODES_SET3 }; + +static char hil_language[][16] = { HIL_LOCALE_MAP }; + +struct hil_kbd { + struct input_dev dev; + struct serio *serio; + + /* Input buffer and index for packets from HIL bus. */ + hil_packet data[HIL_KBD_MAX_LENGTH]; + int idx4; /* four counts per packet */ + + /* Raw device info records from HIL bus, see hil.h for fields. */ + char idd[HIL_KBD_MAX_LENGTH]; /* DID byte and IDD record */ + char rsc[HIL_KBD_MAX_LENGTH]; /* RSC record */ + char exd[HIL_KBD_MAX_LENGTH]; /* EXD record */ + char rnm[HIL_KBD_MAX_LENGTH + 1]; /* RNM record + NULL term. */ + + /* Something to sleep around with. */ + struct semaphore sem; +}; + +/* Process a complete packet after transfer from the HIL */ +static void hil_kbd_process_record(struct hil_kbd *kbd) +{ + struct input_dev *dev = &kbd->dev; + hil_packet *data = kbd->data; + hil_packet p; + int idx, i, cnt; + + idx = kbd->idx4/4; + p = data[idx - 1]; + + if ((p & ~HIL_CMDCT_POL) == + (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) goto report; + if ((p & ~HIL_CMDCT_RPL) == + (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) goto report; + + /* Not a poll response. See if we are loading config records. */ + switch (p & HIL_PKT_DATA_MASK) { + case HIL_CMD_IDD: + for (i = 0; i < idx; i++) + kbd->idd[i] = kbd->data[i] & HIL_PKT_DATA_MASK; + for (; i < HIL_KBD_MAX_LENGTH; i++) + kbd->idd[i] = 0; + break; + case HIL_CMD_RSC: + for (i = 0; i < idx; i++) + kbd->rsc[i] = kbd->data[i] & HIL_PKT_DATA_MASK; + for (; i < HIL_KBD_MAX_LENGTH; i++) + kbd->rsc[i] = 0; + break; + case HIL_CMD_EXD: + for (i = 0; i < idx; i++) + kbd->exd[i] = kbd->data[i] & HIL_PKT_DATA_MASK; + for (; i < HIL_KBD_MAX_LENGTH; i++) + kbd->exd[i] = 0; + break; + case HIL_CMD_RNM: + for (i = 0; i < idx; i++) + kbd->rnm[i] = kbd->data[i] & HIL_PKT_DATA_MASK; + for (; i < HIL_KBD_MAX_LENGTH + 1; i++) + kbd->rnm[i] = '\0'; + break; + default: + /* These occur when device isn't present */ + if (p == (HIL_ERR_INT | HIL_PKT_CMD)) break; + /* Anything else we'd like to know about. */ + printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p); + break; + } + goto out; + + report: + cnt = 1; + switch (kbd->data[0] & HIL_POL_CHARTYPE_MASK) { + case HIL_POL_CHARTYPE_NONE: + break; + case HIL_POL_CHARTYPE_ASCII: + while (cnt < idx - 1) + input_report_key(dev, kbd->data[cnt++] & 0x7f, 1); + break; + case HIL_POL_CHARTYPE_RSVD1: + case HIL_POL_CHARTYPE_RSVD2: + case HIL_POL_CHARTYPE_BINARY: + while (cnt < idx - 1) + input_report_key(dev, kbd->data[cnt++], 1); + break; + case HIL_POL_CHARTYPE_SET1: + while (cnt < idx - 1) { + unsigned int key; + int up; + key = kbd->data[cnt++]; + up = key & HIL_KBD_SET1_UPBIT; + key &= (~HIL_KBD_SET1_UPBIT & 0xff); + key = hil_kbd_set1[key >> HIL_KBD_SET1_SHIFT]; + if (key != KEY_RESERVED) + input_report_key(dev, key, !up); + } + break; + case HIL_POL_CHARTYPE_SET2: + while (cnt < idx - 1) { + unsigned int key; + int up; + key = kbd->data[cnt++]; + up = key & HIL_KBD_SET2_UPBIT; + key &= (~HIL_KBD_SET1_UPBIT & 0xff); + key = key >> HIL_KBD_SET2_SHIFT; + if (key != KEY_RESERVED) + input_report_key(dev, key, !up); + } + break; + case HIL_POL_CHARTYPE_SET3: + while (cnt < idx - 1) { + unsigned int key; + int up; + key = kbd->data[cnt++]; + up = key & HIL_KBD_SET3_UPBIT; + key &= (~HIL_KBD_SET1_UPBIT & 0xff); + key = hil_kbd_set3[key >> HIL_KBD_SET3_SHIFT]; + if (key != KEY_RESERVED) + input_report_key(dev, key, !up); + } + break; + } + out: + kbd->idx4 = 0; + up(&kbd->sem); +} + +static void hil_kbd_process_err(struct hil_kbd *kbd) { + printk(KERN_WARNING PREFIX "errored HIL packet\n"); + kbd->idx4 = 0; + up(&kbd->sem); +} + +static irqreturn_t hil_kbd_interrupt(struct serio *serio, + unsigned char data, unsigned int flags, struct pt_regs *regs) +{ + struct hil_kbd *kbd; + hil_packet packet; + int idx; + + kbd = (struct hil_kbd *)serio->private; + if (kbd == NULL) { + BUG(); + return IRQ_HANDLED; + } + + if (kbd->idx4 >= (HIL_KBD_MAX_LENGTH * sizeof(hil_packet))) { + hil_kbd_process_err(kbd); + return IRQ_HANDLED; + } + idx = kbd->idx4/4; + if (!(kbd->idx4 % 4)) kbd->data[idx] = 0; + packet = kbd->data[idx]; + packet |= ((hil_packet)data) << ((3 - (kbd->idx4 % 4)) * 8); + kbd->data[idx] = packet; + + /* Records of N 4-byte hil_packets must terminate with a command. */ + if ((++(kbd->idx4)) % 4) return IRQ_HANDLED; + if ((packet & 0xffff0000) != HIL_ERR_INT) { + hil_kbd_process_err(kbd); + return IRQ_HANDLED; + } + if (packet & HIL_PKT_CMD) hil_kbd_process_record(kbd); + return IRQ_HANDLED; +} + +static void hil_kbd_disconnect(struct serio *serio) +{ + struct hil_kbd *kbd; + + kbd = (struct hil_kbd *)serio->private; + if (kbd == NULL) { + BUG(); + return; + } + + input_unregister_device(&kbd->dev); + serio_close(serio); + kfree(kbd); +} + +static void hil_kbd_connect(struct serio *serio, struct serio_driver *drv) +{ + struct hil_kbd *kbd; + uint8_t did, *idd; + int i; + + if (serio->type != (SERIO_HIL_MLC | SERIO_HIL)) return; + + if (!(kbd = kmalloc(sizeof(struct hil_kbd), GFP_KERNEL))) return; + memset(kbd, 0, sizeof(struct hil_kbd)); + + if (serio_open(serio, drv)) goto bail0; + + serio->private = kbd; + kbd->serio = serio; + kbd->dev.private = kbd; + + init_MUTEX_LOCKED(&(kbd->sem)); + + /* Get device info. MLC driver supplies devid/status/etc. */ + serio->write(serio, 0); + serio->write(serio, 0); + serio->write(serio, HIL_PKT_CMD >> 8); + serio->write(serio, HIL_CMD_IDD); + down(&(kbd->sem)); + + serio->write(serio, 0); + serio->write(serio, 0); + serio->write(serio, HIL_PKT_CMD >> 8); + serio->write(serio, HIL_CMD_RSC); + down(&(kbd->sem)); + + serio->write(serio, 0); + serio->write(serio, 0); + serio->write(serio, HIL_PKT_CMD >> 8); + serio->write(serio, HIL_CMD_RNM); + down(&(kbd->sem)); + + serio->write(serio, 0); + serio->write(serio, 0); + serio->write(serio, HIL_PKT_CMD >> 8); + serio->write(serio, HIL_CMD_EXD); + down(&(kbd->sem)); + + up(&(kbd->sem)); + + did = kbd->idd[0]; + idd = kbd->idd + 1; + switch (did & HIL_IDD_DID_TYPE_MASK) { + case HIL_IDD_DID_TYPE_KB_INTEGRAL: + case HIL_IDD_DID_TYPE_KB_ITF: + case HIL_IDD_DID_TYPE_KB_RSVD: + case HIL_IDD_DID_TYPE_CHAR: + printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n", + did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); + break; + default: + goto bail1; + } + + if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) { + printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n"); + goto bail1; + } + + + kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + kbd->dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; + kbd->dev.keycodesize = sizeof(hil_kbd_set1[0]); + kbd->dev.keycode = hil_kbd_set1; + kbd->dev.name = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME; + kbd->dev.phys = "hpkbd/input0"; /* XXX */ + + kbd->dev.id.bustype = BUS_HIL; + kbd->dev.id.vendor = PCI_VENDOR_ID_HP; + kbd->dev.id.product = 0x0001; /* TODO: get from kbd->rsc */ + kbd->dev.id.version = 0x0100; /* TODO: get from kbd->rsc */ + kbd->dev.dev = &serio->dev; + + for (i = 0; i < 128; i++) { + set_bit(hil_kbd_set1[i], kbd->dev.keybit); + set_bit(hil_kbd_set3[i], kbd->dev.keybit); + } + clear_bit(0, kbd->dev.keybit); + + input_register_device(&kbd->dev); + printk(KERN_INFO "input: %s, ID: %d\n", + kbd->dev.name, did); + + serio->write(serio, 0); + serio->write(serio, 0); + serio->write(serio, HIL_PKT_CMD >> 8); + serio->write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */ + down(&(kbd->sem)); + up(&(kbd->sem)); + + return; + bail1: + serio_close(serio); + bail0: + kfree(kbd); +} + + +struct serio_driver hil_kbd_serio_drv = { + .driver = { + .name = "hil_kbd", + }, + .description = "HP HIL keyboard driver", + .connect = hil_kbd_connect, + .disconnect = hil_kbd_disconnect, + .interrupt = hil_kbd_interrupt +}; + +static int __init hil_kbd_init(void) +{ + serio_register_driver(&hil_kbd_serio_drv); + return 0; +} + +static void __exit hil_kbd_exit(void) +{ + serio_unregister_driver(&hil_kbd_serio_drv); +} + +module_init(hil_kbd_init); +module_exit(hil_kbd_exit); diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c new file mode 100644 index 00000000000..eecb77db084 --- /dev/null +++ b/drivers/input/keyboard/hilkbd.c @@ -0,0 +1,343 @@ +/* + * linux/drivers/hil/hilkbd.c + * + * Copyright (C) 1998 Philip Blundell <philb@gnu.org> + * Copyright (C) 1999 Matthew Wilcox <willy@bofh.ai> + * Copyright (C) 1999-2003 Helge Deller <deller@gmx.de> + * + * Very basic HP Human Interface Loop (HIL) driver. + * This driver handles the keyboard on HP300 (m68k) and on some + * HP700 (parisc) series machines. + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License version 2. See the file COPYING in the main directory of this + * archive for more details. + */ + +#include <linux/pci_ids.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <linux/config.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/hil.h> +#include <linux/spinlock.h> + + +MODULE_AUTHOR("Philip Blundell, Matthew Wilcox, Helge Deller"); +MODULE_DESCRIPTION("HIL keyboard driver (basic functionality)"); +MODULE_LICENSE("GPL v2"); + + +#if defined(CONFIG_PARISC) + + #include <asm/io.h> + #include <asm/hardware.h> + #include <asm/parisc-device.h> + static unsigned long hil_base; /* HPA for the HIL device */ + static unsigned int hil_irq; + #define HILBASE hil_base /* HPPA (parisc) port address */ + #define HIL_DATA 0x800 + #define HIL_CMD 0x801 + #define HIL_IRQ hil_irq + #define hil_readb(p) gsc_readb(p) + #define hil_writeb(v,p) gsc_writeb((v),(p)) + +#elif defined(CONFIG_HP300) + + #define HILBASE 0xf0428000 /* HP300 (m86k) port address */ + #define HIL_DATA 0x1 + #define HIL_CMD 0x3 + #define HIL_IRQ 2 + #define hil_readb(p) readb(p) + #define hil_writeb(v,p) writeb((v),(p)) + +#else +#error "HIL is not supported on this platform" +#endif + + + +/* HIL helper functions */ + +#define hil_busy() (hil_readb(HILBASE + HIL_CMD) & HIL_BUSY) +#define hil_data_available() (hil_readb(HILBASE + HIL_CMD) & HIL_DATA_RDY) +#define hil_status() (hil_readb(HILBASE + HIL_CMD)) +#define hil_command(x) do { hil_writeb((x), HILBASE + HIL_CMD); } while (0) +#define hil_read_data() (hil_readb(HILBASE + HIL_DATA)) +#define hil_write_data(x) do { hil_writeb((x), HILBASE + HIL_DATA); } while (0) + +/* HIL constants */ + +#define HIL_BUSY 0x02 +#define HIL_DATA_RDY 0x01 + +#define HIL_SETARD 0xA0 /* set auto-repeat delay */ +#define HIL_SETARR 0xA2 /* set auto-repeat rate */ +#define HIL_SETTONE 0xA3 /* set tone generator */ +#define HIL_CNMT 0xB2 /* clear nmi */ +#define HIL_INTON 0x5C /* Turn on interrupts. */ +#define HIL_INTOFF 0x5D /* Turn off interrupts. */ + +#define HIL_READKBDSADR 0xF9 +#define HIL_WRITEKBDSADR 0xE9 + +static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] = + { HIL_KEYCODES_SET1 }; + +/* HIL structure */ +static struct { + struct input_dev dev; + + unsigned int curdev; + + unsigned char s; + unsigned char c; + int valid; + + unsigned char data[16]; + unsigned int ptr; + spinlock_t lock; + + void *dev_id; /* native bus device */ +} hil_dev; + + +static void poll_finished(void) +{ + int down; + int key; + unsigned char scode; + + switch (hil_dev.data[0]) { + case 0x40: + down = (hil_dev.data[1] & 1) == 0; + scode = hil_dev.data[1] >> 1; + key = hphilkeyb_keycode[scode]; + input_report_key(&hil_dev.dev, key, down); + break; + } + hil_dev.curdev = 0; +} + +static inline void handle_status(unsigned char s, unsigned char c) +{ + if (c & 0x8) { + /* End of block */ + if (c & 0x10) + poll_finished(); + } else { + if (c & 0x10) { + if (hil_dev.curdev) + poll_finished(); /* just in case */ + hil_dev.curdev = c & 7; + hil_dev.ptr = 0; + } + } +} + +static inline void handle_data(unsigned char s, unsigned char c) +{ + if (hil_dev.curdev) { + hil_dev.data[hil_dev.ptr++] = c; + hil_dev.ptr &= 15; + } +} + + +/* + * Handle HIL interrupts. + */ +static irqreturn_t hil_interrupt(int irq, void *handle, struct pt_regs *regs) +{ + unsigned char s, c; + + s = hil_status(); + c = hil_read_data(); + + switch (s >> 4) { + case 0x5: + handle_status(s, c); + break; + case 0x6: + handle_data(s, c); + break; + case 0x4: + hil_dev.s = s; + hil_dev.c = c; + mb(); + hil_dev.valid = 1; + break; + } + return IRQ_HANDLED; +} + +/* + * Send a command to the HIL + */ + +static void hil_do(unsigned char cmd, unsigned char *data, unsigned int len) +{ + unsigned long flags; + + spin_lock_irqsave(&hil_dev.lock, flags); + while (hil_busy()) + /* wait */; + hil_command(cmd); + while (len--) { + while (hil_busy()) + /* wait */; + hil_write_data(*(data++)); + } + spin_unlock_irqrestore(&hil_dev.lock, flags); +} + + +/* + * Initialise HIL. + */ + +static int __init +hil_keyb_init(void) +{ + unsigned char c; + unsigned int i, kbid; + wait_queue_head_t hil_wait; + + if (hil_dev.dev.id.bustype) { + return -ENODEV; /* already initialized */ + } + +#if defined(CONFIG_HP300) + if (!hwreg_present((void *)(HILBASE + HIL_DATA))) + return -ENODEV; + + request_region(HILBASE+HIL_DATA, 2, "hil"); +#endif + + request_irq(HIL_IRQ, hil_interrupt, 0, "hil", hil_dev.dev_id); + + /* Turn on interrupts */ + hil_do(HIL_INTON, NULL, 0); + + /* Look for keyboards */ + hil_dev.valid = 0; /* clear any pending data */ + hil_do(HIL_READKBDSADR, NULL, 0); + + init_waitqueue_head(&hil_wait); + wait_event_interruptible_timeout(hil_wait, hil_dev.valid, 3*HZ); + if (!hil_dev.valid) { + printk(KERN_WARNING "HIL: timed out, assuming no keyboard present.\n"); + } + + c = hil_dev.c; + hil_dev.valid = 0; + if (c == 0) { + kbid = -1; + printk(KERN_WARNING "HIL: no keyboard present.\n"); + } else { + kbid = ffz(~c); + /* printk(KERN_INFO "HIL: keyboard found at id %d\n", kbid); */ + } + + /* set it to raw mode */ + c = 0; + hil_do(HIL_WRITEKBDSADR, &c, 1); + + init_input_dev(&hil_dev.dev); + + for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++) + if (hphilkeyb_keycode[i] != KEY_RESERVED) + set_bit(hphilkeyb_keycode[i], hil_dev.dev.keybit); + + hil_dev.dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + hil_dev.dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + hil_dev.dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; + hil_dev.dev.keycodesize = sizeof(hphilkeyb_keycode[0]); + hil_dev.dev.keycode = hphilkeyb_keycode; + hil_dev.dev.name = "HIL keyboard"; + hil_dev.dev.phys = "hpkbd/input0"; + + hil_dev.dev.id.bustype = BUS_HIL; + hil_dev.dev.id.vendor = PCI_VENDOR_ID_HP; + hil_dev.dev.id.product = 0x0001; + hil_dev.dev.id.version = 0x0010; + + input_register_device(&hil_dev.dev); + printk(KERN_INFO "input: %s, ID %d at 0x%08lx (irq %d) found and attached\n", + hil_dev.dev.name, kbid, HILBASE, HIL_IRQ); + + return 0; +} + +#if defined(CONFIG_PARISC) +static int __init +hil_init_chip(struct parisc_device *dev) +{ + if (!dev->irq) { + printk(KERN_WARNING "HIL: IRQ not found for HIL bus at 0x%08lx\n", dev->hpa); + return -ENODEV; + } + + hil_base = dev->hpa; + hil_irq = dev->irq; + hil_dev.dev_id = dev; + + printk(KERN_INFO "Found HIL bus at 0x%08lx, IRQ %d\n", hil_base, hil_irq); + + return hil_keyb_init(); +} + +static struct parisc_device_id hil_tbl[] = { + { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00073 }, + { 0, } +}; + +MODULE_DEVICE_TABLE(parisc, hil_tbl); + +static struct parisc_driver hil_driver = { + .name = "HIL", + .id_table = hil_tbl, + .probe = hil_init_chip, +}; +#endif /* CONFIG_PARISC */ + + + + + +static int __init hil_init(void) +{ +#if defined(CONFIG_PARISC) + return register_parisc_driver(&hil_driver); +#else + return hil_keyb_init(); +#endif +} + + +static void __exit hil_exit(void) +{ + if (HIL_IRQ) { + disable_irq(HIL_IRQ); + free_irq(HIL_IRQ, hil_dev.dev_id); + } + + /* Turn off interrupts */ + hil_do(HIL_INTOFF, NULL, 0); + + input_unregister_device(&hil_dev.dev); + +#if defined(CONFIG_PARISC) + unregister_parisc_driver(&hil_driver); +#else + release_region(HILBASE+HIL_DATA, 2); +#endif +} + +module_init(hil_init); +module_exit(hil_exit); + diff --git a/drivers/input/keyboard/hpps2atkbd.h b/drivers/input/keyboard/hpps2atkbd.h new file mode 100644 index 00000000000..dc33f694522 --- /dev/null +++ b/drivers/input/keyboard/hpps2atkbd.h @@ -0,0 +1,110 @@ +/* + * drivers/input/keyboard/hpps2atkbd.h + * + * Copyright (c) 2004 Helge Deller <deller@gmx.de> + * Copyright (c) 2002 Laurent Canet <canetl@esiee.fr> + * Copyright (c) 2002 Thibaut Varene <varenet@parisc-linux.org> + * Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr> + * + * 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 + * for more details. + */ + + +/* Is the keyboard an RDI PrecisionBook? */ +#ifndef CONFIG_KEYBOARD_ATKBD_RDI_KEYCODES +# 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 */ + +/* 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_102ND, +/* 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, 255, 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, + +/* 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 + +#undef CONFLICT +#undef C_07 +#undef C_11 +#undef C_14 +#undef C_58 +#undef C_61 + diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c new file mode 100644 index 00000000000..2694ff2b5be --- /dev/null +++ b/drivers/input/keyboard/lkkbd.c @@ -0,0 +1,752 @@ +/* + * Copyright (C) 2004 by Jan-Benedict Glaw <jbglaw@lug-owl.de> + */ + +/* + * LK keyboard driver for Linux, based on sunkbd.c (C) by Vojtech Pavlik + */ + +/* + * DEC LK201 and LK401 keyboard driver for Linux (primary for DECstations + * and VAXstations, but can also be used on any standard RS232 with an + * adaptor). + * + * DISCLAIMER: This works for _me_. If you break anything by using the + * information given below, I will _not_ be liable! + * + * RJ10 pinout: To DE9: Or DB25: + * 1 - RxD <----> Pin 3 (TxD) <-> Pin 2 (TxD) + * 2 - GND <----> Pin 5 (GND) <-> Pin 7 (GND) + * 4 - TxD <----> Pin 2 (RxD) <-> Pin 3 (RxD) + * 3 - +12V (from HDD drive connector), DON'T connect to DE9 or DB25!!! + * + * Pin numbers for DE9 and DB25 are noted on the plug (quite small:). For + * RJ10, it's like this: + * + * __=__ Hold the plug in front of you, cable downwards, + * /___/| nose is hidden behind the plug. Now, pin 1 is at + * |1234|| the left side, pin 4 at the right and 2 and 3 are + * |IIII|| in between, of course:) + * | || + * |____|/ + * || So the adaptor consists of three connected cables + * || for data transmission (RxD and TxD) and signal ground. + * Additionally, you have to get +12V from somewhere. + * Most easily, you'll get that from a floppy or HDD power connector. + * It's the yellow cable there (black is ground and red is +5V). + * + * The keyboard and all the commands it understands are documented in + * "VCB02 Video Subsystem - Technical Manual", EK-104AA-TM-001. This + * document is LK201 specific, but LK401 is mostly compatible. It comes + * up in LK201 mode and doesn't report any of the additional keys it + * has. These need to be switched on with the LK_CMD_ENABLE_LK401 + * command. You'll find this document (scanned .pdf file) on MANX, + * a search engine specific to DEC documentation. Try + * http://www.vt100.net/manx/details?pn=EK-104AA-TM-001;id=21;cp=1 + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * email or by paper mail: + * Jan-Benedict Glaw, Lilienstraße 16, 33790 Hörste (near Halle/Westf.), + * Germany. + */ + +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/workqueue.h> + +#define DRIVER_DESC "LK keyboard driver" + +MODULE_AUTHOR ("Jan-Benedict Glaw <jbglaw@lug-owl.de>"); +MODULE_DESCRIPTION (DRIVER_DESC); +MODULE_LICENSE ("GPL"); + +/* + * Known parameters: + * bell_volume + * keyclick_volume + * ctrlclick_volume + * + * Please notice that there's not yet an API to set these at runtime. + */ +static int bell_volume = 100; /* % */ +module_param (bell_volume, int, 0); +MODULE_PARM_DESC (bell_volume, "Bell volume (in %). default is 100%"); + +static int keyclick_volume = 100; /* % */ +module_param (keyclick_volume, int, 0); +MODULE_PARM_DESC (keyclick_volume, "Keyclick volume (in %), default is 100%"); + +static int ctrlclick_volume = 100; /* % */ +module_param (ctrlclick_volume, int, 0); +MODULE_PARM_DESC (ctrlclick_volume, "Ctrlclick volume (in %), default is 100%"); + +static int lk201_compose_is_alt = 0; +module_param (lk201_compose_is_alt, int, 0); +MODULE_PARM_DESC (lk201_compose_is_alt, "If set non-zero, LK201' Compose key " + "will act as an Alt key"); + + + +#undef LKKBD_DEBUG +#ifdef LKKBD_DEBUG +#define DBG(x...) printk (x) +#else +#define DBG(x...) do {} while (0) +#endif + +/* LED control */ +#define LK_LED_WAIT 0x81 +#define LK_LED_COMPOSE 0x82 +#define LK_LED_SHIFTLOCK 0x84 +#define LK_LED_SCROLLLOCK 0x88 +#define LK_CMD_LED_ON 0x13 +#define LK_CMD_LED_OFF 0x11 + +/* Mode control */ +#define LK_MODE_DOWN 0x80 +#define LK_MODE_AUTODOWN 0x82 +#define LK_MODE_UPDOWN 0x86 +#define LK_CMD_SET_MODE(mode,div) ((mode) | ((div) << 3)) + +/* Misc commands */ +#define LK_CMD_ENABLE_KEYCLICK 0x1b +#define LK_CMD_DISABLE_KEYCLICK 0x99 +#define LK_CMD_DISABLE_BELL 0xa1 +#define LK_CMD_SOUND_BELL 0xa7 +#define LK_CMD_ENABLE_BELL 0x23 +#define LK_CMD_DISABLE_CTRCLICK 0xb9 +#define LK_CMD_ENABLE_CTRCLICK 0xbb +#define LK_CMD_SET_DEFAULTS 0xd3 +#define LK_CMD_POWERCYCLE_RESET 0xfd +#define LK_CMD_ENABLE_LK401 0xe9 +#define LK_CMD_REQUEST_ID 0xab + +/* Misc responses from keyboard */ +#define LK_STUCK_KEY 0x3d +#define LK_SELFTEST_FAILED 0x3e +#define LK_ALL_KEYS_UP 0xb3 +#define LK_METRONOME 0xb4 +#define LK_OUTPUT_ERROR 0xb5 +#define LK_INPUT_ERROR 0xb6 +#define LK_KBD_LOCKED 0xb7 +#define LK_KBD_TEST_MODE_ACK 0xb8 +#define LK_PREFIX_KEY_DOWN 0xb9 +#define LK_MODE_CHANGE_ACK 0xba +#define LK_RESPONSE_RESERVED 0xbb + +#define LK_NUM_KEYCODES 256 +#define LK_NUM_IGNORE_BYTES 6 +typedef u_int16_t lk_keycode_t; + + + +static lk_keycode_t lkkbd_keycode[LK_NUM_KEYCODES] = { + [0x56] = KEY_F1, + [0x57] = KEY_F2, + [0x58] = KEY_F3, + [0x59] = KEY_F4, + [0x5a] = KEY_F5, + [0x64] = KEY_F6, + [0x65] = KEY_F7, + [0x66] = KEY_F8, + [0x67] = KEY_F9, + [0x68] = KEY_F10, + [0x71] = KEY_F11, + [0x72] = KEY_F12, + [0x73] = KEY_F13, + [0x74] = KEY_F14, + [0x7c] = KEY_F15, + [0x7d] = KEY_F16, + [0x80] = KEY_F17, + [0x81] = KEY_F18, + [0x82] = KEY_F19, + [0x83] = KEY_F20, + [0x8a] = KEY_FIND, + [0x8b] = KEY_INSERT, + [0x8c] = KEY_DELETE, + [0x8d] = KEY_SELECT, + [0x8e] = KEY_PAGEUP, + [0x8f] = KEY_PAGEDOWN, + [0x92] = KEY_KP0, + [0x94] = KEY_KPDOT, + [0x95] = KEY_KPENTER, + [0x96] = KEY_KP1, + [0x97] = KEY_KP2, + [0x98] = KEY_KP3, + [0x99] = KEY_KP4, + [0x9a] = KEY_KP5, + [0x9b] = KEY_KP6, + [0x9c] = KEY_KPCOMMA, + [0x9d] = KEY_KP7, + [0x9e] = KEY_KP8, + [0x9f] = KEY_KP9, + [0xa0] = KEY_KPMINUS, + [0xa1] = KEY_PROG1, + [0xa2] = KEY_PROG2, + [0xa3] = KEY_PROG3, + [0xa4] = KEY_PROG4, + [0xa7] = KEY_LEFT, + [0xa8] = KEY_RIGHT, + [0xa9] = KEY_DOWN, + [0xaa] = KEY_UP, + [0xab] = KEY_RIGHTSHIFT, + [0xac] = KEY_LEFTALT, + [0xad] = KEY_COMPOSE, /* Right Compose, that is. */ + [0xae] = KEY_LEFTSHIFT, /* Same as KEY_RIGHTSHIFT on LK201 */ + [0xaf] = KEY_LEFTCTRL, + [0xb0] = KEY_CAPSLOCK, + [0xb1] = KEY_COMPOSE, /* Left Compose, that is. */ + [0xb2] = KEY_RIGHTALT, + [0xbc] = KEY_BACKSPACE, + [0xbd] = KEY_ENTER, + [0xbe] = KEY_TAB, + [0xbf] = KEY_ESC, + [0xc0] = KEY_1, + [0xc1] = KEY_Q, + [0xc2] = KEY_A, + [0xc3] = KEY_Z, + [0xc5] = KEY_2, + [0xc6] = KEY_W, + [0xc7] = KEY_S, + [0xc8] = KEY_X, + [0xc9] = KEY_102ND, + [0xcb] = KEY_3, + [0xcc] = KEY_E, + [0xcd] = KEY_D, + [0xce] = KEY_C, + [0xd0] = KEY_4, + [0xd1] = KEY_R, + [0xd2] = KEY_F, + [0xd3] = KEY_V, + [0xd4] = KEY_SPACE, + [0xd6] = KEY_5, + [0xd7] = KEY_T, + [0xd8] = KEY_G, + [0xd9] = KEY_B, + [0xdb] = KEY_6, + [0xdc] = KEY_Y, + [0xdd] = KEY_H, + [0xde] = KEY_N, + [0xe0] = KEY_7, + [0xe1] = KEY_U, + [0xe2] = KEY_J, + [0xe3] = KEY_M, + [0xe5] = KEY_8, + [0xe6] = KEY_I, + [0xe7] = KEY_K, + [0xe8] = KEY_COMMA, + [0xea] = KEY_9, + [0xeb] = KEY_O, + [0xec] = KEY_L, + [0xed] = KEY_DOT, + [0xef] = KEY_0, + [0xf0] = KEY_P, + [0xf2] = KEY_SEMICOLON, + [0xf3] = KEY_SLASH, + [0xf5] = KEY_EQUAL, + [0xf6] = KEY_RIGHTBRACE, + [0xf7] = KEY_BACKSLASH, + [0xf9] = KEY_MINUS, + [0xfa] = KEY_LEFTBRACE, + [0xfb] = KEY_APOSTROPHE, +}; + +#define CHECK_LED(LED, BITS) do { \ + if (test_bit (LED, lk->dev.led)) \ + leds_on |= BITS; \ + else \ + leds_off |= BITS; \ + } while (0) + +/* + * Per-keyboard data + */ +struct lkkbd { + lk_keycode_t keycode[LK_NUM_KEYCODES]; + int ignore_bytes; + unsigned char id[LK_NUM_IGNORE_BYTES]; + struct input_dev dev; + struct serio *serio; + struct work_struct tq; + char name[64]; + char phys[32]; + char type; + int bell_volume; + int keyclick_volume; + int ctrlclick_volume; +}; + +/* + * Calculate volume parameter byte for a given volume. + */ +static unsigned char +volume_to_hw (int volume_percent) +{ + unsigned char ret = 0; + + if (volume_percent < 0) + volume_percent = 0; + if (volume_percent > 100) + volume_percent = 100; + + if (volume_percent >= 0) + ret = 7; + if (volume_percent >= 13) /* 12.5 */ + ret = 6; + if (volume_percent >= 25) + ret = 5; + if (volume_percent >= 38) /* 37.5 */ + ret = 4; + if (volume_percent >= 50) + ret = 3; + if (volume_percent >= 63) /* 62.5 */ + ret = 2; /* This is the default volume */ + if (volume_percent >= 75) + ret = 1; + if (volume_percent >= 88) /* 87.5 */ + ret = 0; + + ret |= 0x80; + + return ret; +} + +static void +lkkbd_detection_done (struct lkkbd *lk) +{ + int i; + + /* + * Reset setting for Compose key. Let Compose be KEY_COMPOSE. + */ + lk->keycode[0xb1] = KEY_COMPOSE; + + /* + * Print keyboard name and modify Compose=Alt on user's request. + */ + switch (lk->id[4]) { + case 1: + sprintf (lk->name, "DEC LK201 keyboard"); + + if (lk201_compose_is_alt) + lk->keycode[0xb1] = KEY_LEFTALT; + break; + + case 2: + sprintf (lk->name, "DEC LK401 keyboard"); + break; + + default: + sprintf (lk->name, "Unknown DEC keyboard"); + printk (KERN_ERR "lkkbd: keyboard on %s is unknown, " + "please report to Jan-Benedict Glaw " + "<jbglaw@lug-owl.de>\n", lk->phys); + printk (KERN_ERR "lkkbd: keyboard ID'ed as:"); + for (i = 0; i < LK_NUM_IGNORE_BYTES; i++) + printk (" 0x%02x", lk->id[i]); + printk ("\n"); + break; + } + printk (KERN_INFO "lkkbd: keyboard on %s identified as: %s\n", + lk->phys, lk->name); + + /* + * Report errors during keyboard boot-up. + */ + switch (lk->id[2]) { + case 0x00: + /* All okay */ + break; + + case LK_STUCK_KEY: + printk (KERN_ERR "lkkbd: Stuck key on keyboard at " + "%s\n", lk->phys); + break; + + case LK_SELFTEST_FAILED: + printk (KERN_ERR "lkkbd: Selftest failed on keyboard " + "at %s, keyboard may not work " + "properly\n", lk->phys); + break; + + default: + printk (KERN_ERR "lkkbd: Unknown error %02x on " + "keyboard at %s\n", lk->id[2], + lk->phys); + break; + } + + /* + * Try to hint user if there's a stuck key. + */ + if (lk->id[2] == LK_STUCK_KEY && lk->id[3] != 0) + printk (KERN_ERR "Scancode of stuck key is 0x%02x, keycode " + "is 0x%04x\n", lk->id[3], + lk->keycode[lk->id[3]]); + + return; +} + +/* + * lkkbd_interrupt() is called by the low level driver when a character + * is received. + */ +static irqreturn_t +lkkbd_interrupt (struct serio *serio, unsigned char data, unsigned int flags, + struct pt_regs *regs) +{ + struct lkkbd *lk = serio_get_drvdata (serio); + int i; + + DBG (KERN_INFO "Got byte 0x%02x\n", data); + + if (lk->ignore_bytes > 0) { + DBG (KERN_INFO "Ignoring a byte on %s\n", + lk->name); + lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data; + + if (lk->ignore_bytes == 0) + lkkbd_detection_done (lk); + + return IRQ_HANDLED; + } + + switch (data) { + case LK_ALL_KEYS_UP: + input_regs (&lk->dev, regs); + for (i = 0; i < ARRAY_SIZE (lkkbd_keycode); i++) + if (lk->keycode[i] != KEY_RESERVED) + input_report_key (&lk->dev, lk->keycode[i], 0); + input_sync (&lk->dev); + break; + case LK_METRONOME: + DBG (KERN_INFO "Got LK_METRONOME and don't " + "know how to handle...\n"); + break; + case LK_OUTPUT_ERROR: + DBG (KERN_INFO "Got LK_OUTPUT_ERROR and don't " + "know how to handle...\n"); + break; + case LK_INPUT_ERROR: + DBG (KERN_INFO "Got LK_INPUT_ERROR and don't " + "know how to handle...\n"); + break; + case LK_KBD_LOCKED: + DBG (KERN_INFO "Got LK_KBD_LOCKED and don't " + "know how to handle...\n"); + break; + case LK_KBD_TEST_MODE_ACK: + DBG (KERN_INFO "Got LK_KBD_TEST_MODE_ACK and don't " + "know how to handle...\n"); + break; + case LK_PREFIX_KEY_DOWN: + DBG (KERN_INFO "Got LK_PREFIX_KEY_DOWN and don't " + "know how to handle...\n"); + break; + case LK_MODE_CHANGE_ACK: + DBG (KERN_INFO "Got LK_MODE_CHANGE_ACK and ignored " + "it properly...\n"); + break; + case LK_RESPONSE_RESERVED: + DBG (KERN_INFO "Got LK_RESPONSE_RESERVED and don't " + "know how to handle...\n"); + break; + case 0x01: + DBG (KERN_INFO "Got 0x01, scheduling re-initialization\n"); + lk->ignore_bytes = LK_NUM_IGNORE_BYTES; + lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data; + schedule_work (&lk->tq); + break; + + default: + if (lk->keycode[data] != KEY_RESERVED) { + input_regs (&lk->dev, regs); + if (!test_bit (lk->keycode[data], lk->dev.key)) + input_report_key (&lk->dev, lk->keycode[data], 1); + else + input_report_key (&lk->dev, lk->keycode[data], 0); + input_sync (&lk->dev); + } else + printk (KERN_WARNING "%s: Unknown key with " + "scancode 0x%02x on %s.\n", + __FILE__, data, lk->name); + } + + return IRQ_HANDLED; +} + +/* + * lkkbd_event() handles events from the input module. + */ +static int +lkkbd_event (struct input_dev *dev, unsigned int type, unsigned int code, + int value) +{ + struct lkkbd *lk = dev->private; + unsigned char leds_on = 0; + unsigned char leds_off = 0; + + switch (type) { + case EV_LED: + CHECK_LED (LED_CAPSL, LK_LED_SHIFTLOCK); + CHECK_LED (LED_COMPOSE, LK_LED_COMPOSE); + CHECK_LED (LED_SCROLLL, LK_LED_SCROLLLOCK); + CHECK_LED (LED_SLEEP, LK_LED_WAIT); + if (leds_on != 0) { + lk->serio->write (lk->serio, LK_CMD_LED_ON); + lk->serio->write (lk->serio, leds_on); + } + if (leds_off != 0) { + lk->serio->write (lk->serio, LK_CMD_LED_OFF); + lk->serio->write (lk->serio, leds_off); + } + return 0; + + case EV_SND: + switch (code) { + case SND_CLICK: + if (value == 0) { + DBG ("%s: Deactivating key clicks\n", __FUNCTION__); + lk->serio->write (lk->serio, LK_CMD_DISABLE_KEYCLICK); + lk->serio->write (lk->serio, LK_CMD_DISABLE_CTRCLICK); + } else { + DBG ("%s: Activating key clicks\n", __FUNCTION__); + lk->serio->write (lk->serio, LK_CMD_ENABLE_KEYCLICK); + lk->serio->write (lk->serio, volume_to_hw (lk->keyclick_volume)); + lk->serio->write (lk->serio, LK_CMD_ENABLE_CTRCLICK); + lk->serio->write (lk->serio, volume_to_hw (lk->ctrlclick_volume)); + } + return 0; + + case SND_BELL: + if (value != 0) + lk->serio->write (lk->serio, LK_CMD_SOUND_BELL); + + return 0; + } + break; + + default: + printk (KERN_ERR "%s (): Got unknown type %d, code %d, value %d\n", + __FUNCTION__, type, code, value); + } + + return -1; +} + +/* + * lkkbd_reinit() sets leds and beeps to a state the computer remembers they + * were in. + */ +static void +lkkbd_reinit (void *data) +{ + struct lkkbd *lk = data; + int division; + unsigned char leds_on = 0; + unsigned char leds_off = 0; + + /* Ask for ID */ + lk->serio->write (lk->serio, LK_CMD_REQUEST_ID); + + /* Reset parameters */ + lk->serio->write (lk->serio, LK_CMD_SET_DEFAULTS); + + /* Set LEDs */ + CHECK_LED (LED_CAPSL, LK_LED_SHIFTLOCK); + CHECK_LED (LED_COMPOSE, LK_LED_COMPOSE); + CHECK_LED (LED_SCROLLL, LK_LED_SCROLLLOCK); + CHECK_LED (LED_SLEEP, LK_LED_WAIT); + if (leds_on != 0) { + lk->serio->write (lk->serio, LK_CMD_LED_ON); + lk->serio->write (lk->serio, leds_on); + } + if (leds_off != 0) { + lk->serio->write (lk->serio, LK_CMD_LED_OFF); + lk->serio->write (lk->serio, leds_off); + } + + /* + * Try to activate extended LK401 mode. This command will + * only work with a LK401 keyboard and grants access to + * LAlt, RAlt, RCompose and RShift. + */ + lk->serio->write (lk->serio, LK_CMD_ENABLE_LK401); + + /* Set all keys to UPDOWN mode */ + for (division = 1; division <= 14; division++) + lk->serio->write (lk->serio, LK_CMD_SET_MODE (LK_MODE_UPDOWN, + division)); + + /* Enable bell and set volume */ + lk->serio->write (lk->serio, LK_CMD_ENABLE_BELL); + lk->serio->write (lk->serio, volume_to_hw (lk->bell_volume)); + + /* Enable/disable keyclick (and possibly set volume) */ + if (test_bit (SND_CLICK, lk->dev.snd)) { + lk->serio->write (lk->serio, LK_CMD_ENABLE_KEYCLICK); + lk->serio->write (lk->serio, volume_to_hw (lk->keyclick_volume)); + lk->serio->write (lk->serio, LK_CMD_ENABLE_CTRCLICK); + lk->serio->write (lk->serio, volume_to_hw (lk->ctrlclick_volume)); + } else { + lk->serio->write (lk->serio, LK_CMD_DISABLE_KEYCLICK); + lk->serio->write (lk->serio, LK_CMD_DISABLE_CTRCLICK); + } + + /* Sound the bell if needed */ + if (test_bit (SND_BELL, lk->dev.snd)) + lk->serio->write (lk->serio, LK_CMD_SOUND_BELL); +} + +/* + * lkkbd_connect() probes for a LK keyboard and fills the necessary structures. + */ +static int +lkkbd_connect (struct serio *serio, struct serio_driver *drv) +{ + struct lkkbd *lk; + int i; + int err; + + if (!(lk = kmalloc (sizeof (struct lkkbd), GFP_KERNEL))) + return -ENOMEM; + + memset (lk, 0, sizeof (struct lkkbd)); + + init_input_dev (&lk->dev); + set_bit (EV_KEY, lk->dev.evbit); + set_bit (EV_LED, lk->dev.evbit); + set_bit (EV_SND, lk->dev.evbit); + set_bit (EV_REP, lk->dev.evbit); + set_bit (LED_CAPSL, lk->dev.ledbit); + set_bit (LED_SLEEP, lk->dev.ledbit); + set_bit (LED_COMPOSE, lk->dev.ledbit); + set_bit (LED_SCROLLL, lk->dev.ledbit); + set_bit (SND_BELL, lk->dev.sndbit); + set_bit (SND_CLICK, lk->dev.sndbit); + + lk->serio = serio; + + INIT_WORK (&lk->tq, lkkbd_reinit, lk); + + lk->bell_volume = bell_volume; + lk->keyclick_volume = keyclick_volume; + lk->ctrlclick_volume = ctrlclick_volume; + + lk->dev.keycode = lk->keycode; + lk->dev.keycodesize = sizeof (lk_keycode_t); + lk->dev.keycodemax = LK_NUM_KEYCODES; + + lk->dev.event = lkkbd_event; + lk->dev.private = lk; + + serio_set_drvdata (serio, lk); + + err = serio_open (serio, drv); + if (err) { + serio_set_drvdata (serio, NULL); + kfree (lk); + return err; + } + + sprintf (lk->name, "DEC LK keyboard"); + sprintf (lk->phys, "%s/input0", serio->phys); + + memcpy (lk->keycode, lkkbd_keycode, sizeof (lk_keycode_t) * LK_NUM_KEYCODES); + for (i = 0; i < LK_NUM_KEYCODES; i++) + set_bit (lk->keycode[i], lk->dev.keybit); + + lk->dev.name = lk->name; + lk->dev.phys = lk->phys; + lk->dev.id.bustype = BUS_RS232; + lk->dev.id.vendor = SERIO_LKKBD; + lk->dev.id.product = 0; + lk->dev.id.version = 0x0100; + lk->dev.dev = &serio->dev; + + input_register_device (&lk->dev); + + printk (KERN_INFO "input: %s on %s, initiating reset\n", lk->name, serio->phys); + lk->serio->write (lk->serio, LK_CMD_POWERCYCLE_RESET); + + return 0; +} + +/* + * lkkbd_disconnect() unregisters and closes behind us. + */ +static void +lkkbd_disconnect (struct serio *serio) +{ + struct lkkbd *lk = serio_get_drvdata (serio); + + input_unregister_device (&lk->dev); + serio_close (serio); + serio_set_drvdata (serio, NULL); + kfree (lk); +} + +static struct serio_device_id lkkbd_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_LKKBD, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, lkkbd_serio_ids); + +static struct serio_driver lkkbd_drv = { + .driver = { + .name = "lkkbd", + }, + .description = DRIVER_DESC, + .id_table = lkkbd_serio_ids, + .connect = lkkbd_connect, + .disconnect = lkkbd_disconnect, + .interrupt = lkkbd_interrupt, +}; + +/* + * The functions for insering/removing us as a module. + */ +static int __init +lkkbd_init (void) +{ + serio_register_driver(&lkkbd_drv); + return 0; +} + +static void __exit +lkkbd_exit (void) +{ + serio_unregister_driver(&lkkbd_drv); +} + +module_init (lkkbd_init); +module_exit (lkkbd_exit); + diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c new file mode 100644 index 00000000000..d3e9dd6a13c --- /dev/null +++ b/drivers/input/keyboard/locomokbd.c @@ -0,0 +1,309 @@ +/* + * Copyright (c) 2005 John Lenz + * + * Based on from xtkbd.c + */ + +/* + * LoCoMo keyboard driver for Linux/ARM + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/config.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> + +#include <asm/hardware/locomo.h> +#include <asm/irq.h> + +MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>"); +MODULE_DESCRIPTION("LoCoMo keyboard driver"); +MODULE_LICENSE("GPL"); + +#define LOCOMOKBD_NUMKEYS 128 + +#define KEY_ACTIVITY KEY_F16 +#define KEY_CONTACT KEY_F18 +#define KEY_CENTER KEY_F15 + +static unsigned char locomokbd_keycode[LOCOMOKBD_NUMKEYS] = { + 0, KEY_ESC, KEY_ACTIVITY, 0, 0, 0, 0, 0, 0, 0, /* 0 - 9 */ + 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_HOME, KEY_CONTACT, /* 10 - 19 */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 29 */ + 0, 0, 0, KEY_CENTER, 0, KEY_MAIL, 0, 0, 0, 0, /* 30 - 39 */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RIGHT, /* 40 - 49 */ + KEY_UP, KEY_LEFT, 0, 0, KEY_P, 0, KEY_O, KEY_I, KEY_Y, KEY_T, /* 50 - 59 */ + KEY_E, KEY_W, 0, 0, 0, 0, KEY_DOWN, KEY_ENTER, 0, 0, /* 60 - 69 */ + KEY_BACKSPACE, 0, KEY_L, KEY_U, KEY_H, KEY_R, KEY_D, KEY_Q, 0, 0, /* 70 - 79 */ + 0, 0, 0, 0, 0, 0, KEY_ENTER, KEY_RIGHTSHIFT, KEY_K, KEY_J, /* 80 - 89 */ + KEY_G, KEY_F, KEY_X, KEY_S, 0, 0, 0, 0, 0, 0, /* 90 - 99 */ + 0, 0, KEY_DOT, 0, KEY_COMMA, KEY_N, KEY_B, KEY_C, KEY_Z, KEY_A, /* 100 - 109 */ + KEY_LEFTSHIFT, KEY_TAB, KEY_LEFTCTRL, 0, 0, 0, 0, 0, 0, 0, /* 110 - 119 */ + KEY_M, KEY_SPACE, KEY_V, KEY_APOSTROPHE, KEY_SLASH, 0, 0, 0 /* 120 - 128 */ +}; + +#define KB_ROWS 16 +#define KB_COLS 8 +#define KB_ROWMASK(r) (1 << (r)) +#define SCANCODE(c,r) ( ((c)<<4) + (r) + 1 ) +#define NR_SCANCODES 128 + +#define KB_DELAY 8 +#define SCAN_INTERVAL (HZ/10) +#define LOCOMOKBD_PRESSED 1 + +struct locomokbd { + unsigned char keycode[LOCOMOKBD_NUMKEYS]; + struct input_dev input; + char phys[32]; + + struct locomo_dev *ldev; + unsigned long base; + spinlock_t lock; + + struct timer_list timer; +}; + +/* helper functions for reading the keyboard matrix */ +static inline void locomokbd_charge_all(unsigned long membase) +{ + locomo_writel(0x00FF, membase + LOCOMO_KSC); +} + +static inline void locomokbd_activate_all(unsigned long membase) +{ + unsigned long r; + + locomo_writel(0, membase + LOCOMO_KSC); + r = locomo_readl(membase + LOCOMO_KIC); + r &= 0xFEFF; + locomo_writel(r, membase + LOCOMO_KIC); +} + +static inline void locomokbd_activate_col(unsigned long membase, int col) +{ + unsigned short nset; + unsigned short nbset; + + nset = 0xFF & ~(1 << col); + nbset = (nset << 8) + nset; + locomo_writel(nbset, membase + LOCOMO_KSC); +} + +static inline void locomokbd_reset_col(unsigned long membase, int col) +{ + unsigned short nbset; + + nbset = ((0xFF & ~(1 << col)) << 8) + 0xFF; + locomo_writel(nbset, membase + LOCOMO_KSC); +} + +/* + * The LoCoMo keyboard only generates interrupts when a key is pressed. + * So when a key is pressed, we enable a timer. This timer scans the + * keyboard, and this is how we detect when the key is released. + */ + +/* Scan the hardware keyboard and push any changes up through the input layer */ +static void locomokbd_scankeyboard(struct locomokbd *locomokbd, struct pt_regs *regs) +{ + unsigned int row, col, rowd, scancode; + unsigned long flags; + unsigned int num_pressed; + unsigned long membase = locomokbd->base; + + spin_lock_irqsave(&locomokbd->lock, flags); + + if (regs) + input_regs(&locomokbd->input, regs); + + locomokbd_charge_all(membase); + + num_pressed = 0; + for (col = 0; col < KB_COLS; col++) { + + locomokbd_activate_col(membase, col); + udelay(KB_DELAY); + + rowd = ~locomo_readl(membase + LOCOMO_KIB); + for (row = 0; row < KB_ROWS; row++ ) { + scancode = SCANCODE(col, row); + if (rowd & KB_ROWMASK(row)) { + num_pressed += 1; + input_report_key(&locomokbd->input, locomokbd->keycode[scancode], 1); + } else { + input_report_key(&locomokbd->input, locomokbd->keycode[scancode], 0); + } + } + locomokbd_reset_col(membase, col); + } + locomokbd_activate_all(membase); + + input_sync(&locomokbd->input); + + /* if any keys are pressed, enable the timer */ + if (num_pressed) + mod_timer(&locomokbd->timer, jiffies + SCAN_INTERVAL); + + spin_unlock_irqrestore(&locomokbd->lock, flags); +} + +/* + * LoCoMo keyboard interrupt handler. + */ +static irqreturn_t locomokbd_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct locomokbd *locomokbd = dev_id; + /** wait chattering delay **/ + udelay(100); + + locomokbd_scankeyboard(locomokbd, regs); + + return IRQ_HANDLED; +} + +/* + * LoCoMo timer checking for released keys + */ +static void locomokbd_timer_callback(unsigned long data) +{ + struct locomokbd *locomokbd = (struct locomokbd *) data; + locomokbd_scankeyboard(locomokbd, NULL); +} + +static int locomokbd_probe(struct locomo_dev *dev) +{ + struct locomokbd *locomokbd; + int i, ret; + + locomokbd = kmalloc(sizeof(struct locomokbd), GFP_KERNEL); + if (!locomokbd) + return -ENOMEM; + + memset(locomokbd, 0, sizeof(struct locomokbd)); + + /* try and claim memory region */ + if (!request_mem_region((unsigned long) dev->mapbase, + dev->length, + LOCOMO_DRIVER_NAME(dev))) { + ret = -EBUSY; + printk(KERN_ERR "locomokbd: Can't acquire access to io memory for keyboard\n"); + goto free; + } + + locomokbd->ldev = dev; + locomo_set_drvdata(dev, locomokbd); + + locomokbd->base = (unsigned long) dev->mapbase; + + spin_lock_init(&locomokbd->lock); + + init_timer(&locomokbd->timer); + locomokbd->timer.function = locomokbd_timer_callback; + locomokbd->timer.data = (unsigned long) locomokbd; + + locomokbd->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + + init_input_dev(&locomokbd->input); + locomokbd->input.keycode = locomokbd->keycode; + locomokbd->input.keycodesize = sizeof(unsigned char); + locomokbd->input.keycodemax = ARRAY_SIZE(locomokbd_keycode); + locomokbd->input.private = locomokbd; + + memcpy(locomokbd->keycode, locomokbd_keycode, sizeof(locomokbd->keycode)); + for (i = 0; i < LOCOMOKBD_NUMKEYS; i++) + set_bit(locomokbd->keycode[i], locomokbd->input.keybit); + clear_bit(0, locomokbd->input.keybit); + + strcpy(locomokbd->phys, "locomokbd/input0"); + + locomokbd->input.name = "LoCoMo keyboard"; + locomokbd->input.phys = locomokbd->phys; + locomokbd->input.id.bustype = BUS_XTKBD; + locomokbd->input.id.vendor = 0x0001; + locomokbd->input.id.product = 0x0001; + locomokbd->input.id.version = 0x0100; + + /* attempt to get the interrupt */ + ret = request_irq(dev->irq[0], locomokbd_interrupt, 0, "locomokbd", locomokbd); + if (ret) { + printk(KERN_ERR "locomokbd: Can't get irq for keyboard\n"); + goto out; + } + + input_register_device(&locomokbd->input); + + printk(KERN_INFO "input: LoCoMo keyboard on locomokbd\n"); + + return 0; + +out: + release_mem_region((unsigned long) dev->mapbase, dev->length); + locomo_set_drvdata(dev, NULL); +free: + kfree(locomokbd); + + return ret; +} + +static int locomokbd_remove(struct locomo_dev *dev) +{ + struct locomokbd *locomokbd = locomo_get_drvdata(dev); + + free_irq(dev->irq[0], locomokbd); + + del_timer_sync(&locomokbd->timer); + + input_unregister_device(&locomokbd->input); + locomo_set_drvdata(dev, NULL); + + release_mem_region((unsigned long) dev->mapbase, dev->length); + + kfree(locomokbd); + + return 0; +} + +static struct locomo_driver keyboard_driver = { + .drv = { + .name = "locomokbd" + }, + .devid = LOCOMO_DEVID_KEYBOARD, + .probe = locomokbd_probe, + .remove = locomokbd_remove, +}; + +static int __init locomokbd_init(void) +{ + return locomo_driver_register(&keyboard_driver); +} + +static void __exit locomokbd_exit(void) +{ + locomo_driver_unregister(&keyboard_driver); +} + +module_init(locomokbd_init); +module_exit(locomokbd_exit); diff --git a/drivers/input/keyboard/maple_keyb.c b/drivers/input/keyboard/maple_keyb.c new file mode 100644 index 00000000000..859ed771ee0 --- /dev/null +++ b/drivers/input/keyboard/maple_keyb.c @@ -0,0 +1,190 @@ +/* + * $Id: maple_keyb.c,v 1.4 2004/03/22 01:18:15 lethal Exp $ + * SEGA Dreamcast keyboard driver + * Based on drivers/usb/usbkbd.c + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/timer.h> +#include <linux/maple.h> + +MODULE_AUTHOR("YAEGASHI Takeshi <t@keshi.org>"); +MODULE_DESCRIPTION("SEGA Dreamcast keyboard driver"); +MODULE_LICENSE("GPL"); + +static unsigned char dc_kbd_keycode[256] = { + 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, + 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, + 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, + 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, + 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, + 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, + 115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0, + 122,123, 90, 91, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, + 150,158,159,128,136,177,178,176,142,152,173,140 +}; + + +struct dc_kbd { + struct input_dev dev; + unsigned char new[8]; + unsigned char old[8]; + int open; +}; + + +static void dc_scan_kbd(struct dc_kbd *kbd) +{ + int i; + struct input_dev *dev = &kbd->dev; + + for(i=0; i<8; i++) + input_report_key(dev, + dc_kbd_keycode[i+224], + (kbd->new[0]>>i)&1); + + for(i=2; i<8; i++) { + + if(kbd->old[i]>3&&memscan(kbd->new+2, kbd->old[i], 6)==NULL) { + if(dc_kbd_keycode[kbd->old[i]]) + input_report_key(dev, + dc_kbd_keycode[kbd->old[i]], + 0); + else + printk("Unknown key (scancode %#x) released.", + kbd->old[i]); + } + + if(kbd->new[i]>3&&memscan(kbd->old+2, kbd->new[i], 6)!=NULL) { + if(dc_kbd_keycode[kbd->new[i]]) + input_report_key(dev, + dc_kbd_keycode[kbd->new[i]], + 1); + else + printk("Unknown key (scancode %#x) pressed.", + kbd->new[i]); + } + } + + input_sync(dev); + + memcpy(kbd->old, kbd->new, 8); +} + + +static void dc_kbd_callback(struct mapleq *mq) +{ + struct maple_device *mapledev = mq->dev; + struct dc_kbd *kbd = mapledev->private_data; + unsigned long *buf = mq->recvbuf; + + if (buf[1] == mapledev->function) { + memcpy(kbd->new, buf+2, 8); + dc_scan_kbd(kbd); + } +} + + +static int dc_kbd_open(struct input_dev *dev) +{ + struct dc_kbd *kbd = dev->private; + kbd->open++; + return 0; +} + + +static void dc_kbd_close(struct input_dev *dev) +{ + struct dc_kbd *kbd = dev->private; + kbd->open--; +} + + +static int dc_kbd_connect(struct maple_device *dev) +{ + int i; + unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]); + struct dc_kbd *kbd; + + if (!(kbd = kmalloc(sizeof(struct dc_kbd), GFP_KERNEL))) + return -1; + memset(kbd, 0, sizeof(struct dc_kbd)); + + dev->private_data = kbd; + + kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + + init_input_dev(&kbd->dev); + + for (i=0; i<255; i++) + set_bit(dc_kbd_keycode[i], kbd->dev.keybit); + + clear_bit(0, kbd->dev.keybit); + + kbd->dev.private = kbd; + kbd->dev.open = dc_kbd_open; + kbd->dev.close = dc_kbd_close; + kbd->dev.event = NULL; + + kbd->dev.name = dev->product_name; + kbd->dev.id.bustype = BUS_MAPLE; + + input_register_device(&kbd->dev); + + maple_getcond_callback(dev, dc_kbd_callback, 1, MAPLE_FUNC_KEYBOARD); + + printk(KERN_INFO "input: keyboard(0x%lx): %s\n", data, kbd->dev.name); + + return 0; +} + + +static void dc_kbd_disconnect(struct maple_device *dev) +{ + struct dc_kbd *kbd = dev->private_data; + + input_unregister_device(&kbd->dev); + kfree(kbd); +} + + +static struct maple_driver dc_kbd_driver = { + .function = MAPLE_FUNC_KEYBOARD, + .name = "Dreamcast keyboard", + .connect = dc_kbd_connect, + .disconnect = dc_kbd_disconnect, +}; + + +static int __init dc_kbd_init(void) +{ + maple_register_driver(&dc_kbd_driver); + return 0; +} + + +static void __exit dc_kbd_exit(void) +{ + maple_unregister_driver(&dc_kbd_driver); +} + + +module_init(dc_kbd_init); +module_exit(dc_kbd_exit); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c new file mode 100644 index 00000000000..2e8ce1613ee --- /dev/null +++ b/drivers/input/keyboard/newtonkbd.c @@ -0,0 +1,184 @@ +/* + * Copyright (c) 2000 Justin Cormack + */ + +/* + * Newton keyboard driver for Linux + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <j.cormack@doc.ic.ac.uk>, or by paper mail: + * Justin Cormack, 68 Dartmouth Park Road, London NW5 1SN, UK. + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/init.h> +#include <linux/serio.h> + +#define DRIVER_DESC "Newton keyboard driver" + +MODULE_AUTHOR("Justin Cormack <j.cormack@doc.ic.ac.uk>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define NKBD_KEY 0x7f +#define NKBD_PRESS 0x80 + +static unsigned char nkbd_keycode[128] = { + KEY_A, KEY_S, KEY_D, KEY_F, KEY_H, KEY_G, KEY_Z, KEY_X, + KEY_C, KEY_V, 0, KEY_B, KEY_Q, KEY_W, KEY_E, KEY_R, + KEY_Y, KEY_T, KEY_1, KEY_2, KEY_3, KEY_4, KEY_6, KEY_5, + KEY_EQUAL, KEY_9, KEY_7, KEY_MINUS, KEY_8, KEY_0, KEY_RIGHTBRACE, KEY_O, + KEY_U, KEY_LEFTBRACE, KEY_I, KEY_P, KEY_ENTER, KEY_L, KEY_J, KEY_APOSTROPHE, + KEY_K, KEY_SEMICOLON, KEY_BACKSLASH, KEY_COMMA, KEY_SLASH, KEY_N, KEY_M, KEY_DOT, + KEY_TAB, KEY_SPACE, KEY_GRAVE, KEY_DELETE, 0, 0, 0, KEY_LEFTMETA, + KEY_LEFTSHIFT, KEY_CAPSLOCK, KEY_LEFTALT, KEY_LEFTCTRL, KEY_RIGHTSHIFT, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + KEY_LEFT, KEY_RIGHT, KEY_DOWN, KEY_UP, 0 +}; + +static char *nkbd_name = "Newton Keyboard"; + +struct nkbd { + unsigned char keycode[128]; + struct input_dev dev; + struct serio *serio; + char phys[32]; +}; + +static irqreturn_t nkbd_interrupt(struct serio *serio, + unsigned char data, unsigned int flags, struct pt_regs *regs) +{ + struct nkbd *nkbd = serio_get_drvdata(serio); + + /* invalid scan codes are probably the init sequence, so we ignore them */ + if (nkbd->keycode[data & NKBD_KEY]) { + input_regs(&nkbd->dev, regs); + input_report_key(&nkbd->dev, nkbd->keycode[data & NKBD_KEY], data & NKBD_PRESS); + input_sync(&nkbd->dev); + } + + else if (data == 0xe7) /* end of init sequence */ + printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys); + return IRQ_HANDLED; + +} + +static int nkbd_connect(struct serio *serio, struct serio_driver *drv) +{ + struct nkbd *nkbd; + int i; + int err; + + if (!(nkbd = kmalloc(sizeof(struct nkbd), GFP_KERNEL))) + return -ENOMEM; + + memset(nkbd, 0, sizeof(struct nkbd)); + + nkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + + nkbd->serio = serio; + + init_input_dev(&nkbd->dev); + nkbd->dev.keycode = nkbd->keycode; + nkbd->dev.keycodesize = sizeof(unsigned char); + nkbd->dev.keycodemax = ARRAY_SIZE(nkbd_keycode); + nkbd->dev.private = nkbd; + + serio_set_drvdata(serio, nkbd); + + err = serio_open(serio, drv); + if (err) { + serio_set_drvdata(serio, NULL); + kfree(nkbd); + return err; + } + + memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode)); + for (i = 0; i < 128; i++) + set_bit(nkbd->keycode[i], nkbd->dev.keybit); + clear_bit(0, nkbd->dev.keybit); + + sprintf(nkbd->phys, "%s/input0", serio->phys); + + nkbd->dev.name = nkbd_name; + nkbd->dev.phys = nkbd->phys; + nkbd->dev.id.bustype = BUS_RS232; + nkbd->dev.id.vendor = SERIO_NEWTON; + nkbd->dev.id.product = 0x0001; + nkbd->dev.id.version = 0x0100; + nkbd->dev.dev = &serio->dev; + + input_register_device(&nkbd->dev); + + printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys); + + return 0; +} + +static void nkbd_disconnect(struct serio *serio) +{ + struct nkbd *nkbd = serio_get_drvdata(serio); + + input_unregister_device(&nkbd->dev); + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(nkbd); +} + +static struct serio_device_id nkbd_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_NEWTON, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, nkbd_serio_ids); + +static struct serio_driver nkbd_drv = { + .driver = { + .name = "newtonkbd", + }, + .description = DRIVER_DESC, + .id_table = nkbd_serio_ids, + .interrupt = nkbd_interrupt, + .connect = nkbd_connect, + .disconnect = nkbd_disconnect, +}; + +static int __init nkbd_init(void) +{ + serio_register_driver(&nkbd_drv); + return 0; +} + +static void __exit nkbd_exit(void) +{ + serio_unregister_driver(&nkbd_drv); +} + +module_init(nkbd_init); +module_exit(nkbd_exit); diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c new file mode 100644 index 00000000000..596964ceb96 --- /dev/null +++ b/drivers/input/keyboard/sunkbd.c @@ -0,0 +1,353 @@ +/* + * $Id: sunkbd.c,v 1.14 2001/09/25 10:12:07 vojtech Exp $ + * + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * Sun keyboard driver for Linux + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/workqueue.h> + +#define DRIVER_DESC "Sun keyboard driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +static unsigned char sunkbd_keycode[128] = { + 0,128,114,129,115, 59, 60, 68, 61, 87, 62, 88, 63,100, 64, 0, + 65, 66, 67, 56,103,119, 99, 70,105,130,131,108,106, 1, 2, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 41, 14,110,113, 98, 55, + 116,132, 83,133,102, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, + 26, 27,111,127, 71, 72, 73, 74,134,135,107, 0, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 43, 28, 96, 75, 76, 77, 82,136, + 104,137, 69, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,101, + 79, 80, 81, 0, 0, 0,138, 58,125, 57,126,109, 86, 78 +}; + +#define SUNKBD_CMD_RESET 0x1 +#define SUNKBD_CMD_BELLON 0x2 +#define SUNKBD_CMD_BELLOFF 0x3 +#define SUNKBD_CMD_CLICK 0xa +#define SUNKBD_CMD_NOCLICK 0xb +#define SUNKBD_CMD_SETLED 0xe +#define SUNKBD_CMD_LAYOUT 0xf + +#define SUNKBD_RET_RESET 0xff +#define SUNKBD_RET_ALLUP 0x7f +#define SUNKBD_RET_LAYOUT 0xfe + +#define SUNKBD_LAYOUT_5_MASK 0x20 +#define SUNKBD_RELEASE 0x80 +#define SUNKBD_KEY 0x7f + +/* + * Per-keyboard data. + */ + +struct sunkbd { + unsigned char keycode[128]; + struct input_dev dev; + struct serio *serio; + struct work_struct tq; + wait_queue_head_t wait; + char name[64]; + char phys[32]; + char type; + volatile s8 reset; + volatile s8 layout; +}; + +/* + * sunkbd_interrupt() is called by the low level driver when a character + * is received. + */ + +static irqreturn_t sunkbd_interrupt(struct serio *serio, + unsigned char data, unsigned int flags, struct pt_regs *regs) +{ + struct sunkbd* sunkbd = serio_get_drvdata(serio); + + if (sunkbd->reset <= -1) { /* If cp[i] is 0xff, sunkbd->reset will stay -1. */ + sunkbd->reset = data; /* The keyboard sends 0xff 0xff 0xID on powerup */ + wake_up_interruptible(&sunkbd->wait); + goto out; + } + + if (sunkbd->layout == -1) { + sunkbd->layout = data; + wake_up_interruptible(&sunkbd->wait); + goto out; + } + + switch (data) { + + case SUNKBD_RET_RESET: + schedule_work(&sunkbd->tq); + sunkbd->reset = -1; + break; + + case SUNKBD_RET_LAYOUT: + sunkbd->layout = -1; + break; + + case SUNKBD_RET_ALLUP: /* All keys released */ + break; + + default: + if (sunkbd->keycode[data & SUNKBD_KEY]) { + input_regs(&sunkbd->dev, regs); + input_report_key(&sunkbd->dev, sunkbd->keycode[data & SUNKBD_KEY], !(data & SUNKBD_RELEASE)); + input_sync(&sunkbd->dev); + } else { + printk(KERN_WARNING "sunkbd.c: Unknown key (scancode %#x) %s.\n", + data & SUNKBD_KEY, data & SUNKBD_RELEASE ? "released" : "pressed"); + } + } +out: + return IRQ_HANDLED; +} + +/* + * sunkbd_event() handles events from the input module. + */ + +static int sunkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +{ + struct sunkbd *sunkbd = dev->private; + + switch (type) { + + case EV_LED: + + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_SETLED); + sunkbd->serio->write(sunkbd->serio, + (!!test_bit(LED_CAPSL, dev->led) << 3) | (!!test_bit(LED_SCROLLL, dev->led) << 2) | + (!!test_bit(LED_COMPOSE, dev->led) << 1) | !!test_bit(LED_NUML, dev->led)); + return 0; + + case EV_SND: + + switch (code) { + + case SND_CLICK: + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value); + return 0; + + case SND_BELL: + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value); + return 0; + } + + break; + } + + return -1; +} + +/* + * sunkbd_initialize() checks for a Sun keyboard attached, and determines + * its type. + */ + +static int sunkbd_initialize(struct sunkbd *sunkbd) +{ + sunkbd->reset = -2; + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_RESET); + wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); + if (sunkbd->reset <0) + return -1; + + sunkbd->type = sunkbd->reset; + + if (sunkbd->type == 4) { /* Type 4 keyboard */ + sunkbd->layout = -2; + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_LAYOUT); + wait_event_interruptible_timeout(sunkbd->wait, sunkbd->layout >= 0, HZ/4); + if (sunkbd->layout < 0) return -1; + if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK) sunkbd->type = 5; + } + + return 0; +} + +/* + * sunkbd_reinit() sets leds and beeps to a state the computer remembers they + * were in. + */ + +static void sunkbd_reinit(void *data) +{ + struct sunkbd *sunkbd = data; + + wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); + + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_SETLED); + sunkbd->serio->write(sunkbd->serio, + (!!test_bit(LED_CAPSL, sunkbd->dev.led) << 3) | (!!test_bit(LED_SCROLLL, sunkbd->dev.led) << 2) | + (!!test_bit(LED_COMPOSE, sunkbd->dev.led) << 1) | !!test_bit(LED_NUML, sunkbd->dev.led)); + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev.snd)); + sunkbd->serio->write(sunkbd->serio, SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev.snd)); +} + +/* + * sunkbd_connect() probes for a Sun keyboard and fills the necessary structures. + */ + +static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) +{ + struct sunkbd *sunkbd; + int i; + int err; + + if (!(sunkbd = kmalloc(sizeof(struct sunkbd), GFP_KERNEL))) + return -ENOMEM; + + memset(sunkbd, 0, sizeof(struct sunkbd)); + + init_input_dev(&sunkbd->dev); + init_waitqueue_head(&sunkbd->wait); + + sunkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_SND) | BIT(EV_REP); + sunkbd->dev.ledbit[0] = BIT(LED_CAPSL) | BIT(LED_COMPOSE) | BIT(LED_SCROLLL) | BIT(LED_NUML); + sunkbd->dev.sndbit[0] = BIT(SND_CLICK) | BIT(SND_BELL); + + sunkbd->serio = serio; + + INIT_WORK(&sunkbd->tq, sunkbd_reinit, sunkbd); + + sunkbd->dev.keycode = sunkbd->keycode; + sunkbd->dev.keycodesize = sizeof(unsigned char); + sunkbd->dev.keycodemax = ARRAY_SIZE(sunkbd_keycode); + + sunkbd->dev.event = sunkbd_event; + sunkbd->dev.private = sunkbd; + + serio_set_drvdata(serio, sunkbd); + + err = serio_open(serio, drv); + if (err) { + serio_set_drvdata(serio, NULL); + kfree(sunkbd); + return err; + } + + if (sunkbd_initialize(sunkbd) < 0) { + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(sunkbd); + return -ENODEV; + } + + sprintf(sunkbd->name, "Sun Type %d keyboard", sunkbd->type); + + memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode)); + for (i = 0; i < 128; i++) + set_bit(sunkbd->keycode[i], sunkbd->dev.keybit); + clear_bit(0, sunkbd->dev.keybit); + + sprintf(sunkbd->phys, "%s/input0", serio->phys); + + sunkbd->dev.name = sunkbd->name; + sunkbd->dev.phys = sunkbd->phys; + sunkbd->dev.id.bustype = BUS_RS232; + sunkbd->dev.id.vendor = SERIO_SUNKBD; + sunkbd->dev.id.product = sunkbd->type; + sunkbd->dev.id.version = 0x0100; + sunkbd->dev.dev = &serio->dev; + + input_register_device(&sunkbd->dev); + + printk(KERN_INFO "input: %s on %s\n", sunkbd->name, serio->phys); + + return 0; +} + +/* + * sunkbd_disconnect() unregisters and closes behind us. + */ + +static void sunkbd_disconnect(struct serio *serio) +{ + struct sunkbd *sunkbd = serio_get_drvdata(serio); + input_unregister_device(&sunkbd->dev); + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(sunkbd); +} + +static struct serio_device_id sunkbd_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_SUNKBD, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { + .type = SERIO_RS232, + .proto = SERIO_UNKNOWN, /* sunkbd does probe */ + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, sunkbd_serio_ids); + +static struct serio_driver sunkbd_drv = { + .driver = { + .name = "sunkbd", + }, + .description = DRIVER_DESC, + .id_table = sunkbd_serio_ids, + .interrupt = sunkbd_interrupt, + .connect = sunkbd_connect, + .disconnect = sunkbd_disconnect, +}; + +/* + * The functions for insering/removing us as a module. + */ + +static int __init sunkbd_init(void) +{ + serio_register_driver(&sunkbd_drv); + return 0; +} + +static void __exit sunkbd_exit(void) +{ + serio_unregister_driver(&sunkbd_drv); +} + +module_init(sunkbd_init); +module_exit(sunkbd_exit); diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c new file mode 100644 index 00000000000..19eaec7789d --- /dev/null +++ b/drivers/input/keyboard/xtkbd.c @@ -0,0 +1,188 @@ +/* + * $Id: xtkbd.c,v 1.11 2001/09/25 10:12:07 vojtech Exp $ + * + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * XT keyboard driver for Linux + */ + +/* + * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/init.h> +#include <linux/serio.h> + +#define DRIVER_DESC "XT keyboard driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define XTKBD_EMUL0 0xe0 +#define XTKBD_EMUL1 0xe1 +#define XTKBD_KEY 0x7f +#define XTKBD_RELEASE 0x80 + +static unsigned char xtkbd_keycode[256] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 0, 0, 0, 87, 88, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 87, 88, 0, 0, 0, 0,110,111,103,108,105, + 106 +}; + +static char *xtkbd_name = "XT Keyboard"; + +struct xtkbd { + unsigned char keycode[256]; + struct input_dev dev; + struct serio *serio; + char phys[32]; +}; + +static irqreturn_t xtkbd_interrupt(struct serio *serio, + unsigned char data, unsigned int flags, struct pt_regs *regs) +{ + struct xtkbd *xtkbd = serio_get_drvdata(serio); + + switch (data) { + case XTKBD_EMUL0: + case XTKBD_EMUL1: + break; + default: + + if (xtkbd->keycode[data & XTKBD_KEY]) { + input_regs(&xtkbd->dev, regs); + input_report_key(&xtkbd->dev, xtkbd->keycode[data & XTKBD_KEY], !(data & XTKBD_RELEASE)); + input_sync(&xtkbd->dev); + } else { + printk(KERN_WARNING "xtkbd.c: Unknown key (scancode %#x) %s.\n", + data & XTKBD_KEY, data & XTKBD_RELEASE ? "released" : "pressed"); + } + } + return IRQ_HANDLED; +} + +static int xtkbd_connect(struct serio *serio, struct serio_driver *drv) +{ + struct xtkbd *xtkbd; + int i; + int err; + + if (!(xtkbd = kmalloc(sizeof(struct xtkbd), GFP_KERNEL))) + return -ENOMEM; + + memset(xtkbd, 0, sizeof(struct xtkbd)); + + xtkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + + xtkbd->serio = serio; + + init_input_dev(&xtkbd->dev); + xtkbd->dev.keycode = xtkbd->keycode; + xtkbd->dev.keycodesize = sizeof(unsigned char); + xtkbd->dev.keycodemax = ARRAY_SIZE(xtkbd_keycode); + xtkbd->dev.private = xtkbd; + + serio_set_drvdata(serio, xtkbd); + + err = serio_open(serio, drv); + if (err) { + serio_set_drvdata(serio, NULL); + kfree(xtkbd); + return err; + } + + memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode)); + for (i = 0; i < 255; i++) + set_bit(xtkbd->keycode[i], xtkbd->dev.keybit); + clear_bit(0, xtkbd->dev.keybit); + + sprintf(xtkbd->phys, "%s/input0", serio->phys); + + xtkbd->dev.name = xtkbd_name; + xtkbd->dev.phys = xtkbd->phys; + xtkbd->dev.id.bustype = BUS_XTKBD; + xtkbd->dev.id.vendor = 0x0001; + xtkbd->dev.id.product = 0x0001; + xtkbd->dev.id.version = 0x0100; + xtkbd->dev.dev = &serio->dev; + + input_register_device(&xtkbd->dev); + + printk(KERN_INFO "input: %s on %s\n", xtkbd_name, serio->phys); + + return 0; +} + +static void xtkbd_disconnect(struct serio *serio) +{ + struct xtkbd *xtkbd = serio_get_drvdata(serio); + + input_unregister_device(&xtkbd->dev); + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(xtkbd); +} + +static struct serio_device_id xtkbd_serio_ids[] = { + { + .type = SERIO_XT, + .proto = SERIO_ANY, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, xtkbd_serio_ids); + +static struct serio_driver xtkbd_drv = { + .driver = { + .name = "xtkbd", + }, + .description = DRIVER_DESC, + .id_table = xtkbd_serio_ids, + .interrupt = xtkbd_interrupt, + .connect = xtkbd_connect, + .disconnect = xtkbd_disconnect, +}; + +static int __init xtkbd_init(void) +{ + serio_register_driver(&xtkbd_drv); + return 0; +} + +static void __exit xtkbd_exit(void) +{ + serio_unregister_driver(&xtkbd_drv); +} + +module_init(xtkbd_init); +module_exit(xtkbd_exit); |