m68k: Atari keyboard and mouse support.
Atari keyboard and mouse support. (reformating and Kconfig fixes by Roman Zippel) Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Schmitz
Linus Torvalds
parent
3130d905ba
commit
c04cb856e2
11 changed files with 1059 additions and 0 deletions
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@ -409,6 +409,9 @@ config STRAM_PROC
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help
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Say Y here to report ST-RAM usage statistics in /proc/stram.
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config ATARI_KBD_CORE
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bool
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config HEARTBEAT
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bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || MAC ||Q40
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default y if !AMIGA && !APOLLO && !ATARI && !MAC && !Q40 && HP300
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@ -8,3 +8,4 @@ obj-y := config.o time.o debug.o ataints.o stdma.o \
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ifeq ($(CONFIG_PCI),y)
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obj-$(CONFIG_HADES) += hades-pci.o
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endif
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obj-$(CONFIG_ATARI_KBD_CORE) += atakeyb.o
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730
arch/m68k/atari/atakeyb.c
Normal file
730
arch/m68k/atari/atakeyb.c
Normal file
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@ -0,0 +1,730 @@
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/*
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* linux/atari/atakeyb.c
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*
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* Atari Keyboard driver for 680x0 Linux
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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/*
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* Atari support by Robert de Vries
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* enhanced by Bjoern Brauel and Roman Hodek
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*/
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/errno.h>
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#include <linux/keyboard.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/kd.h>
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#include <linux/random.h>
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#include <linux/init.h>
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#include <linux/kbd_kern.h>
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#include <asm/atariints.h>
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#include <asm/atarihw.h>
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#include <asm/atarikb.h>
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#include <asm/atari_joystick.h>
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#include <asm/irq.h>
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static void atakeyb_rep(unsigned long ignore);
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extern unsigned int keymap_count;
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/* Hook for MIDI serial driver */
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void (*atari_MIDI_interrupt_hook) (void);
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/* Hook for mouse driver */
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void (*atari_mouse_interrupt_hook) (char *);
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/* Hook for keyboard inputdev driver */
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void (*atari_input_keyboard_interrupt_hook) (unsigned char, char);
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/* Hook for mouse inputdev driver */
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void (*atari_input_mouse_interrupt_hook) (char *);
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/* variables for IKBD self test: */
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/* state: 0: off; >0: in progress; >1: 0xf1 received */
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static volatile int ikbd_self_test;
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/* timestamp when last received a char */
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static volatile unsigned long self_test_last_rcv;
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/* bitmap of keys reported as broken */
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static unsigned long broken_keys[128/(sizeof(unsigned long)*8)] = { 0, };
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#define BREAK_MASK (0x80)
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/*
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* ++roman: The following changes were applied manually:
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*
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* - The Alt (= Meta) key works in combination with Shift and
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* Control, e.g. Alt+Shift+a sends Meta-A (0xc1), Alt+Control+A sends
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* Meta-Ctrl-A (0x81) ...
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*
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* - The parentheses on the keypad send '(' and ')' with all
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* modifiers (as would do e.g. keypad '+'), but they cannot be used as
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* application keys (i.e. sending Esc O c).
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*
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* - HELP and UNDO are mapped to be F21 and F24, resp, that send the
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* codes "\E[M" and "\E[P". (This is better than the old mapping to
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* F11 and F12, because these codes are on Shift+F1/2 anyway.) This
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* way, applications that allow their own keyboard mappings
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* (e.g. tcsh, X Windows) can be configured to use them in the way
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* the label suggests (providing help or undoing).
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*
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* - Console switching is done with Alt+Fx (consoles 1..10) and
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* Shift+Alt+Fx (consoles 11..20).
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*
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* - The misc. special function implemented in the kernel are mapped
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* to the following key combinations:
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*
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* ClrHome -> Home/Find
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* Shift + ClrHome -> End/Select
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* Shift + Up -> Page Up
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* Shift + Down -> Page Down
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* Alt + Help -> show system status
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* Shift + Help -> show memory info
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* Ctrl + Help -> show registers
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* Ctrl + Alt + Del -> Reboot
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* Alt + Undo -> switch to last console
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* Shift + Undo -> send interrupt
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* Alt + Insert -> stop/start output (same as ^S/^Q)
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* Alt + Up -> Scroll back console (if implemented)
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* Alt + Down -> Scroll forward console (if implemented)
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* Alt + CapsLock -> NumLock
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*
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* ++Andreas:
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*
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* - Help mapped to K_HELP
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* - Undo mapped to K_UNDO (= K_F246)
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* - Keypad Left/Right Parenthesis mapped to new K_PPAREN[LR]
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*/
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static u_short ataplain_map[NR_KEYS] __initdata = {
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0xf200, 0xf01b, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036,
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0xf037, 0xf038, 0xf039, 0xf030, 0xf02d, 0xf03d, 0xf008, 0xf009,
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0xfb71, 0xfb77, 0xfb65, 0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69,
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0xfb6f, 0xfb70, 0xf05b, 0xf05d, 0xf201, 0xf702, 0xfb61, 0xfb73,
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0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b,
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0xf027, 0xf060, 0xf700, 0xf05c, 0xfb7a, 0xfb78, 0xfb63, 0xfb76,
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0xfb62, 0xfb6e, 0xfb6d, 0xf02c, 0xf02e, 0xf02f, 0xf700, 0xf200,
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0xf703, 0xf020, 0xf207, 0xf100, 0xf101, 0xf102, 0xf103, 0xf104,
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0xf105, 0xf106, 0xf107, 0xf108, 0xf109, 0xf200, 0xf200, 0xf114,
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0xf603, 0xf200, 0xf30b, 0xf601, 0xf200, 0xf602, 0xf30a, 0xf200,
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0xf600, 0xf200, 0xf115, 0xf07f, 0xf200, 0xf200, 0xf200, 0xf200,
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0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
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0xf200, 0xf1ff, 0xf11b, 0xf312, 0xf313, 0xf30d, 0xf30c, 0xf307,
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0xf308, 0xf309, 0xf304, 0xf305, 0xf306, 0xf301, 0xf302, 0xf303,
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0xf300, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
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0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
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};
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typedef enum kb_state_t {
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KEYBOARD, AMOUSE, RMOUSE, JOYSTICK, CLOCK, RESYNC
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} KB_STATE_T;
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#define IS_SYNC_CODE(sc) ((sc) >= 0x04 && (sc) <= 0xfb)
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typedef struct keyboard_state {
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unsigned char buf[6];
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int len;
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KB_STATE_T state;
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} KEYBOARD_STATE;
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KEYBOARD_STATE kb_state;
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#define DEFAULT_KEYB_REP_DELAY (HZ/4)
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#define DEFAULT_KEYB_REP_RATE (HZ/25)
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/* These could be settable by some ioctl() in future... */
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static unsigned int key_repeat_delay = DEFAULT_KEYB_REP_DELAY;
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static unsigned int key_repeat_rate = DEFAULT_KEYB_REP_RATE;
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static unsigned char rep_scancode;
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static struct timer_list atakeyb_rep_timer = {
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.function = atakeyb_rep,
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};
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static void atakeyb_rep(unsigned long ignore)
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{
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/* Disable keyboard for the time we call handle_scancode(), else a race
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* in the keyboard tty queue may happen */
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atari_disable_irq(IRQ_MFP_ACIA);
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del_timer(&atakeyb_rep_timer);
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/* A keyboard int may have come in before we disabled the irq, so
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* double-check whether rep_scancode is still != 0 */
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if (rep_scancode) {
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init_timer(&atakeyb_rep_timer);
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atakeyb_rep_timer.expires = jiffies + key_repeat_rate;
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add_timer(&atakeyb_rep_timer);
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//handle_scancode(rep_scancode, 1);
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if (atari_input_keyboard_interrupt_hook)
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atari_input_keyboard_interrupt_hook(rep_scancode, 1);
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}
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atari_enable_irq(IRQ_MFP_ACIA);
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}
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/* ++roman: If a keyboard overrun happened, we can't tell in general how much
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* bytes have been lost and in which state of the packet structure we are now.
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* This usually causes keyboards bytes to be interpreted as mouse movements
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* and vice versa, which is very annoying. It seems better to throw away some
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* bytes (that are usually mouse bytes) than to misinterpret them. Therefor I
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* introduced the RESYNC state for IKBD data. In this state, the bytes up to
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* one that really looks like a key event (0x04..0xf2) or the start of a mouse
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* packet (0xf8..0xfb) are thrown away, but at most 2 bytes. This at least
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* speeds up the resynchronization of the event structure, even if maybe a
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* mouse movement is lost. However, nothing is perfect. For bytes 0x01..0x03,
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* it's really hard to decide whether they're mouse or keyboard bytes. Since
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* overruns usually occur when moving the Atari mouse rapidly, they're seen as
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* mouse bytes here. If this is wrong, only a make code of the keyboard gets
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* lost, which isn't too bad. Loosing a break code would be disastrous,
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* because then the keyboard repeat strikes...
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*/
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static irqreturn_t atari_keyboard_interrupt(int irq, void *dummy)
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{
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u_char acia_stat;
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int scancode;
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int break_flag;
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repeat:
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if (acia.mid_ctrl & ACIA_IRQ)
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if (atari_MIDI_interrupt_hook)
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atari_MIDI_interrupt_hook();
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acia_stat = acia.key_ctrl;
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/* check out if the interrupt came from this ACIA */
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if (!((acia_stat | acia.mid_ctrl) & ACIA_IRQ))
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return IRQ_HANDLED;
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if (acia_stat & ACIA_OVRN) {
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/* a very fast typist or a slow system, give a warning */
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/* ...happens often if interrupts were disabled for too long */
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printk(KERN_DEBUG "Keyboard overrun\n");
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scancode = acia.key_data;
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/* Turn off autorepeating in case a break code has been lost */
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del_timer(&atakeyb_rep_timer);
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rep_scancode = 0;
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if (ikbd_self_test)
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/* During self test, don't do resyncing, just process the code */
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goto interpret_scancode;
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else if (IS_SYNC_CODE(scancode)) {
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/* This code seem already to be the start of a new packet or a
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* single scancode */
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kb_state.state = KEYBOARD;
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goto interpret_scancode;
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} else {
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/* Go to RESYNC state and skip this byte */
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kb_state.state = RESYNC;
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kb_state.len = 1; /* skip max. 1 another byte */
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goto repeat;
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}
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}
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if (acia_stat & ACIA_RDRF) {
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/* received a character */
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scancode = acia.key_data; /* get it or reset the ACIA, I'll get it! */
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tasklet_schedule(&keyboard_tasklet);
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interpret_scancode:
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switch (kb_state.state) {
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case KEYBOARD:
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switch (scancode) {
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case 0xF7:
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kb_state.state = AMOUSE;
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kb_state.len = 0;
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break;
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case 0xF8:
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case 0xF9:
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case 0xFA:
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case 0xFB:
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kb_state.state = RMOUSE;
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kb_state.len = 1;
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kb_state.buf[0] = scancode;
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break;
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case 0xFC:
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kb_state.state = CLOCK;
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kb_state.len = 0;
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break;
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case 0xFE:
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case 0xFF:
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kb_state.state = JOYSTICK;
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kb_state.len = 1;
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kb_state.buf[0] = scancode;
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break;
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case 0xF1:
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/* during self-test, note that 0xf1 received */
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if (ikbd_self_test) {
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++ikbd_self_test;
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self_test_last_rcv = jiffies;
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break;
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}
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/* FALL THROUGH */
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default:
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break_flag = scancode & BREAK_MASK;
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scancode &= ~BREAK_MASK;
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if (ikbd_self_test) {
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/* Scancodes sent during the self-test stand for broken
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* keys (keys being down). The code *should* be a break
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* code, but nevertheless some AT keyboard interfaces send
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* make codes instead. Therefore, simply ignore
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* break_flag...
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*/
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int keyval = plain_map[scancode], keytyp;
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set_bit(scancode, broken_keys);
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self_test_last_rcv = jiffies;
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keyval = plain_map[scancode];
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keytyp = KTYP(keyval) - 0xf0;
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keyval = KVAL(keyval);
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printk(KERN_WARNING "Key with scancode %d ", scancode);
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if (keytyp == KT_LATIN || keytyp == KT_LETTER) {
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if (keyval < ' ')
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printk("('^%c') ", keyval + '@');
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else
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printk("('%c') ", keyval);
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}
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printk("is broken -- will be ignored.\n");
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break;
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} else if (test_bit(scancode, broken_keys))
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break;
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#if 0 // FIXME; hangs at boot
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if (break_flag) {
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del_timer(&atakeyb_rep_timer);
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rep_scancode = 0;
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} else {
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del_timer(&atakeyb_rep_timer);
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rep_scancode = scancode;
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atakeyb_rep_timer.expires = jiffies + key_repeat_delay;
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add_timer(&atakeyb_rep_timer);
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}
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#endif
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// handle_scancode(scancode, !break_flag);
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if (atari_input_keyboard_interrupt_hook)
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atari_input_keyboard_interrupt_hook((unsigned char)scancode, !break_flag);
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break;
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}
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break;
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case AMOUSE:
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kb_state.buf[kb_state.len++] = scancode;
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if (kb_state.len == 5) {
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kb_state.state = KEYBOARD;
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/* not yet used */
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/* wake up someone waiting for this */
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}
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break;
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case RMOUSE:
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kb_state.buf[kb_state.len++] = scancode;
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if (kb_state.len == 3) {
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kb_state.state = KEYBOARD;
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if (atari_mouse_interrupt_hook)
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atari_mouse_interrupt_hook(kb_state.buf);
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}
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break;
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case JOYSTICK:
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kb_state.buf[1] = scancode;
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kb_state.state = KEYBOARD;
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#ifdef FIXED_ATARI_JOYSTICK
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atari_joystick_interrupt(kb_state.buf);
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#endif
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break;
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case CLOCK:
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kb_state.buf[kb_state.len++] = scancode;
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if (kb_state.len == 6) {
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kb_state.state = KEYBOARD;
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/* wake up someone waiting for this.
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But will this ever be used, as Linux keeps its own time.
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Perhaps for synchronization purposes? */
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/* wake_up_interruptible(&clock_wait); */
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}
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break;
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case RESYNC:
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if (kb_state.len <= 0 || IS_SYNC_CODE(scancode)) {
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kb_state.state = KEYBOARD;
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goto interpret_scancode;
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}
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kb_state.len--;
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break;
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}
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}
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#if 0
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if (acia_stat & ACIA_CTS)
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/* cannot happen */;
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#endif
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if (acia_stat & (ACIA_FE | ACIA_PE)) {
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printk("Error in keyboard communication\n");
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}
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/* handle_scancode() can take a lot of time, so check again if
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* some character arrived
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*/
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goto repeat;
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}
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/*
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* I write to the keyboard without using interrupts, I poll instead.
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* This takes for the maximum length string allowed (7) at 7812.5 baud
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* 8 data 1 start 1 stop bit: 9.0 ms
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* If this takes too long for normal operation, interrupt driven writing
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* is the solution. (I made a feeble attempt in that direction but I
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* kept it simple for now.)
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*/
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void ikbd_write(const char *str, int len)
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{
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u_char acia_stat;
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if ((len < 1) || (len > 7))
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panic("ikbd: maximum string length exceeded");
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while (len) {
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acia_stat = acia.key_ctrl;
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if (acia_stat & ACIA_TDRE) {
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acia.key_data = *str++;
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len--;
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}
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}
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}
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/* Reset (without touching the clock) */
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void ikbd_reset(void)
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{
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static const char cmd[2] = { 0x80, 0x01 };
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ikbd_write(cmd, 2);
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/*
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* if all's well code 0xF1 is returned, else the break codes of
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||||
* all keys making contact
|
||||
*/
|
||||
}
|
||||
|
||||
/* Set mouse button action */
|
||||
void ikbd_mouse_button_action(int mode)
|
||||
{
|
||||
char cmd[2] = { 0x07, mode };
|
||||
|
||||
ikbd_write(cmd, 2);
|
||||
}
|
||||
|
||||
/* Set relative mouse position reporting */
|
||||
void ikbd_mouse_rel_pos(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x08 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Set absolute mouse position reporting */
|
||||
void ikbd_mouse_abs_pos(int xmax, int ymax)
|
||||
{
|
||||
char cmd[5] = { 0x09, xmax>>8, xmax&0xFF, ymax>>8, ymax&0xFF };
|
||||
|
||||
ikbd_write(cmd, 5);
|
||||
}
|
||||
|
||||
/* Set mouse keycode mode */
|
||||
void ikbd_mouse_kbd_mode(int dx, int dy)
|
||||
{
|
||||
char cmd[3] = { 0x0A, dx, dy };
|
||||
|
||||
ikbd_write(cmd, 3);
|
||||
}
|
||||
|
||||
/* Set mouse threshold */
|
||||
void ikbd_mouse_thresh(int x, int y)
|
||||
{
|
||||
char cmd[3] = { 0x0B, x, y };
|
||||
|
||||
ikbd_write(cmd, 3);
|
||||
}
|
||||
|
||||
/* Set mouse scale */
|
||||
void ikbd_mouse_scale(int x, int y)
|
||||
{
|
||||
char cmd[3] = { 0x0C, x, y };
|
||||
|
||||
ikbd_write(cmd, 3);
|
||||
}
|
||||
|
||||
/* Interrogate mouse position */
|
||||
void ikbd_mouse_pos_get(int *x, int *y)
|
||||
{
|
||||
static const char cmd[1] = { 0x0D };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
|
||||
/* wait for returning bytes */
|
||||
}
|
||||
|
||||
/* Load mouse position */
|
||||
void ikbd_mouse_pos_set(int x, int y)
|
||||
{
|
||||
char cmd[6] = { 0x0E, 0x00, x>>8, x&0xFF, y>>8, y&0xFF };
|
||||
|
||||
ikbd_write(cmd, 6);
|
||||
}
|
||||
|
||||
/* Set Y=0 at bottom */
|
||||
void ikbd_mouse_y0_bot(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x0F };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Set Y=0 at top */
|
||||
void ikbd_mouse_y0_top(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x10 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Resume */
|
||||
void ikbd_resume(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x11 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Disable mouse */
|
||||
void ikbd_mouse_disable(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x12 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Pause output */
|
||||
void ikbd_pause(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x13 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Set joystick event reporting */
|
||||
void ikbd_joystick_event_on(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x14 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Set joystick interrogation mode */
|
||||
void ikbd_joystick_event_off(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x15 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Joystick interrogation */
|
||||
void ikbd_joystick_get_state(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x16 };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
#if 0
|
||||
/* This disables all other ikbd activities !!!! */
|
||||
/* Set joystick monitoring */
|
||||
void ikbd_joystick_monitor(int rate)
|
||||
{
|
||||
static const char cmd[2] = { 0x17, rate };
|
||||
|
||||
ikbd_write(cmd, 2);
|
||||
|
||||
kb_state.state = JOYSTICK_MONITOR;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* some joystick routines not in yet (0x18-0x19) */
|
||||
|
||||
/* Disable joysticks */
|
||||
void ikbd_joystick_disable(void)
|
||||
{
|
||||
static const char cmd[1] = { 0x1A };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Time-of-day clock set */
|
||||
void ikbd_clock_set(int year, int month, int day, int hour, int minute, int second)
|
||||
{
|
||||
char cmd[7] = { 0x1B, year, month, day, hour, minute, second };
|
||||
|
||||
ikbd_write(cmd, 7);
|
||||
}
|
||||
|
||||
/* Interrogate time-of-day clock */
|
||||
void ikbd_clock_get(int *year, int *month, int *day, int *hour, int *minute, int second)
|
||||
{
|
||||
static const char cmd[1] = { 0x1C };
|
||||
|
||||
ikbd_write(cmd, 1);
|
||||
}
|
||||
|
||||
/* Memory load */
|
||||
void ikbd_mem_write(int address, int size, char *data)
|
||||
{
|
||||
panic("Attempt to write data into keyboard memory");
|
||||
}
|
||||
|
||||
/* Memory read */
|
||||
void ikbd_mem_read(int address, char data[6])
|
||||
{
|
||||
char cmd[3] = { 0x21, address>>8, address&0xFF };
|
||||
|
||||
ikbd_write(cmd, 3);
|
||||
|
||||
/* receive data and put it in data */
|
||||
}
|
||||
|
||||
/* Controller execute */
|
||||
void ikbd_exec(int address)
|
||||
{
|
||||
char cmd[3] = { 0x22, address>>8, address&0xFF };
|
||||
|
||||
ikbd_write(cmd, 3);
|
||||
}
|
||||
|
||||
/* Status inquiries (0x87-0x9A) not yet implemented */
|
||||
|
||||
/* Set the state of the caps lock led. */
|
||||
void atari_kbd_leds(unsigned int leds)
|
||||
{
|
||||
char cmd[6] = {32, 0, 4, 1, 254 + ((leds & 4) != 0), 0};
|
||||
|
||||
ikbd_write(cmd, 6);
|
||||
}
|
||||
|
||||
/*
|
||||
* The original code sometimes left the interrupt line of
|
||||
* the ACIAs low forever. I hope, it is fixed now.
|
||||
*
|
||||
* Martin Rogge, 20 Aug 1995
|
||||
*/
|
||||
|
||||
static int atari_keyb_done = 0;
|
||||
|
||||
int __init atari_keyb_init(void)
|
||||
{
|
||||
if (atari_keyb_done)
|
||||
return 0;
|
||||
|
||||
/* setup key map */
|
||||
memcpy(key_maps[0], ataplain_map, sizeof(plain_map));
|
||||
|
||||
kb_state.state = KEYBOARD;
|
||||
kb_state.len = 0;
|
||||
|
||||
request_irq(IRQ_MFP_ACIA, atari_keyboard_interrupt, IRQ_TYPE_SLOW,
|
||||
"keyboard/mouse/MIDI", atari_keyboard_interrupt);
|
||||
|
||||
atari_turnoff_irq(IRQ_MFP_ACIA);
|
||||
do {
|
||||
/* reset IKBD ACIA */
|
||||
acia.key_ctrl = ACIA_RESET |
|
||||
(atari_switches & ATARI_SWITCH_IKBD) ? ACIA_RHTID : 0;
|
||||
(void)acia.key_ctrl;
|
||||
(void)acia.key_data;
|
||||
|
||||
/* reset MIDI ACIA */
|
||||
acia.mid_ctrl = ACIA_RESET |
|
||||
(atari_switches & ATARI_SWITCH_MIDI) ? ACIA_RHTID : 0;
|
||||
(void)acia.mid_ctrl;
|
||||
(void)acia.mid_data;
|
||||
|
||||
/* divide 500kHz by 64 gives 7812.5 baud */
|
||||
/* 8 data no parity 1 start 1 stop bit */
|
||||
/* receive interrupt enabled */
|
||||
/* RTS low (except if switch selected), transmit interrupt disabled */
|
||||
acia.key_ctrl = (ACIA_DIV64|ACIA_D8N1S|ACIA_RIE) |
|
||||
((atari_switches & ATARI_SWITCH_IKBD) ?
|
||||
ACIA_RHTID : ACIA_RLTID);
|
||||
|
||||
acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S |
|
||||
(atari_switches & ATARI_SWITCH_MIDI) ? ACIA_RHTID : 0;
|
||||
|
||||
/* make sure the interrupt line is up */
|
||||
} while ((mfp.par_dt_reg & 0x10) == 0);
|
||||
|
||||
/* enable ACIA Interrupts */
|
||||
mfp.active_edge &= ~0x10;
|
||||
atari_turnon_irq(IRQ_MFP_ACIA);
|
||||
|
||||
ikbd_self_test = 1;
|
||||
ikbd_reset();
|
||||
/* wait for a period of inactivity (here: 0.25s), then assume the IKBD's
|
||||
* self-test is finished */
|
||||
self_test_last_rcv = jiffies;
|
||||
while (time_before(jiffies, self_test_last_rcv + HZ/4))
|
||||
barrier();
|
||||
/* if not incremented: no 0xf1 received */
|
||||
if (ikbd_self_test == 1)
|
||||
printk(KERN_ERR "WARNING: keyboard self test failed!\n");
|
||||
ikbd_self_test = 0;
|
||||
|
||||
ikbd_mouse_disable();
|
||||
ikbd_joystick_disable();
|
||||
|
||||
#ifdef FIXED_ATARI_JOYSTICK
|
||||
atari_joystick_init();
|
||||
#endif
|
||||
|
||||
// flag init done
|
||||
atari_keyb_done = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int atari_kbdrate(struct kbd_repeat *k)
|
||||
{
|
||||
if (k->delay > 0) {
|
||||
/* convert from msec to jiffies */
|
||||
key_repeat_delay = (k->delay * HZ + 500) / 1000;
|
||||
if (key_repeat_delay < 1)
|
||||
key_repeat_delay = 1;
|
||||
}
|
||||
if (k->period > 0) {
|
||||
key_repeat_rate = (k->period * HZ + 500) / 1000;
|
||||
if (key_repeat_rate < 1)
|
||||
key_repeat_rate = 1;
|
||||
}
|
||||
|
||||
k->delay = key_repeat_delay * 1000 / HZ;
|
||||
k->period = key_repeat_rate * 1000 / HZ;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int atari_kbd_translate(unsigned char keycode, unsigned char *keycodep, char raw_mode)
|
||||
{
|
||||
#ifdef CONFIG_MAGIC_SYSRQ
|
||||
/* ALT+HELP pressed? */
|
||||
if ((keycode == 98) && ((shift_state & 0xff) == 8))
|
||||
*keycodep = 0xff;
|
||||
else
|
||||
#endif
|
||||
*keycodep = keycode;
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -164,6 +164,17 @@ config KEYBOARD_AMIGA
|
|||
To compile this driver as a module, choose M here: the
|
||||
module will be called amikbd.
|
||||
|
||||
config KEYBOARD_ATARI
|
||||
tristate "Atari keyboard"
|
||||
depends on ATARI
|
||||
select ATARI_KBD_CORE
|
||||
help
|
||||
Say Y here if you are running Linux on any Atari and have a keyboard
|
||||
attached.
|
||||
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called atakbd.
|
||||
|
||||
config KEYBOARD_HIL_OLD
|
||||
tristate "HP HIL keyboard support (simple driver)"
|
||||
depends on GSC || HP300
|
||||
|
|
|
|||
|
|
@ -9,6 +9,7 @@ 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_ATARI) += atakbd.o
|
||||
obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o
|
||||
obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
|
||||
obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
|
||||
|
|
|
|||
134
drivers/input/keyboard/atakbd.c
Normal file
134
drivers/input/keyboard/atakbd.c
Normal file
|
|
@ -0,0 +1,134 @@
|
|||
/*
|
||||
* atakbd.c
|
||||
*
|
||||
* Copyright (c) 2005 Michael Schmitz
|
||||
*
|
||||
* Based on amikbd.c, which is
|
||||
*
|
||||
* Copyright (c) 2000-2001 Vojtech Pavlik
|
||||
*
|
||||
* Based on the work of:
|
||||
* Hamish Macdonald
|
||||
*/
|
||||
|
||||
/*
|
||||
* Atari keyboard driver for Linux/m68k
|
||||
*
|
||||
* The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c
|
||||
* (the keyboard ACIA also handles the mouse and joystick data, and the keyboard
|
||||
* interrupt is shared with the MIDI ACIA so MIDI data also get handled there).
|
||||
* This driver only deals with handing key events off to the input layer.
|
||||
*/
|
||||
|
||||
/*
|
||||
* 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/atariints.h>
|
||||
#include <asm/atarihw.h>
|
||||
#include <asm/atarikb.h>
|
||||
#include <asm/irq.h>
|
||||
|
||||
MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");
|
||||
MODULE_DESCRIPTION("Atari keyboard driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
static unsigned char atakbd_keycode[0x72];
|
||||
|
||||
static struct input_dev *atakbd_dev;
|
||||
|
||||
static void atakbd_interrupt(unsigned char scancode, char down)
|
||||
{
|
||||
|
||||
if (scancode < 0x72) { /* scancodes < 0xf2 are keys */
|
||||
|
||||
// report raw events here?
|
||||
|
||||
scancode = atakbd_keycode[scancode];
|
||||
|
||||
if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */
|
||||
input_report_key(atakbd_dev, scancode, 1);
|
||||
input_report_key(atakbd_dev, scancode, 0);
|
||||
input_sync(atakbd_dev);
|
||||
} else {
|
||||
input_report_key(atakbd_dev, scancode, down);
|
||||
input_sync(atakbd_dev);
|
||||
}
|
||||
} else /* scancodes >= 0xf2 are mouse data, most likely */
|
||||
printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int __init atakbd_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (!ATARIHW_PRESENT(ST_MFP))
|
||||
return -EIO;
|
||||
|
||||
// TODO: request_mem_region if not done in arch code
|
||||
|
||||
if (!(atakbd_dev = input_allocate_device()))
|
||||
return -ENOMEM;
|
||||
|
||||
// need to init core driver if not already done so
|
||||
if (atari_keyb_init())
|
||||
return -ENODEV;
|
||||
|
||||
atakbd_dev->name = "Atari Keyboard";
|
||||
atakbd_dev->phys = "atakbd/input0";
|
||||
atakbd_dev->id.bustype = BUS_ATARI;
|
||||
atakbd_dev->id.vendor = 0x0001;
|
||||
atakbd_dev->id.product = 0x0001;
|
||||
atakbd_dev->id.version = 0x0100;
|
||||
|
||||
atakbd_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
|
||||
atakbd_dev->keycode = atakbd_keycode;
|
||||
atakbd_dev->keycodesize = sizeof(unsigned char);
|
||||
atakbd_dev->keycodemax = ARRAY_SIZE(atakbd_keycode);
|
||||
|
||||
for (i = 1; i < 0x72; i++) {
|
||||
atakbd_keycode[i] = i;
|
||||
set_bit(atakbd_keycode[i], atakbd_dev->keybit);
|
||||
}
|
||||
|
||||
input_register_device(atakbd_dev);
|
||||
|
||||
atari_input_keyboard_interrupt_hook = atakbd_interrupt;
|
||||
|
||||
printk(KERN_INFO "input: %s at IKBD ACIA\n", atakbd_dev->name);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit atakbd_exit(void)
|
||||
{
|
||||
atari_input_keyboard_interrupt_hook = NULL;
|
||||
input_unregister_device(atakbd_dev);
|
||||
}
|
||||
|
||||
module_init(atakbd_init);
|
||||
module_exit(atakbd_exit);
|
||||
|
|
@ -96,6 +96,17 @@ config MOUSE_AMIGA
|
|||
To compile this driver as a module, choose M here: the
|
||||
module will be called amimouse.
|
||||
|
||||
config MOUSE_ATARI
|
||||
tristate "Atari mouse"
|
||||
depends on ATARI
|
||||
select ATARI_KBD_CORE
|
||||
help
|
||||
Say Y here if you have an Atari and want its native mouse
|
||||
supported by the kernel.
|
||||
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called atarimouse.
|
||||
|
||||
config MOUSE_RISCPC
|
||||
tristate "Acorn RiscPC mouse"
|
||||
depends on ARCH_ACORN
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@
|
|||
# Each configuration option enables a list of files.
|
||||
|
||||
obj-$(CONFIG_MOUSE_AMIGA) += amimouse.o
|
||||
obj-$(CONFIG_MOUSE_ATARI) += atarimouse.o
|
||||
obj-$(CONFIG_MOUSE_RISCPC) += rpcmouse.o
|
||||
obj-$(CONFIG_MOUSE_INPORT) += inport.o
|
||||
obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o
|
||||
|
|
|
|||
160
drivers/input/mouse/atarimouse.c
Normal file
160
drivers/input/mouse/atarimouse.c
Normal file
|
|
@ -0,0 +1,160 @@
|
|||
/*
|
||||
* Atari mouse driver for Linux/m68k
|
||||
*
|
||||
* Copyright (c) 2005 Michael Schmitz
|
||||
*
|
||||
* Based on:
|
||||
* Amiga mouse driver for Linux/m68k
|
||||
*
|
||||
* Copyright (c) 2000-2002 Vojtech Pavlik
|
||||
*
|
||||
*/
|
||||
/*
|
||||
* The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c
|
||||
* (the keyboard ACIA also handles the mouse and joystick data, and the keyboard
|
||||
* interrupt is shared with the MIDI ACIA so MIDI data also get handled there).
|
||||
* This driver only deals with handing key events off to the input layer.
|
||||
*
|
||||
* Largely based on the old:
|
||||
*
|
||||
* Atari Mouse Driver for Linux
|
||||
* by Robert de Vries (robert@and.nl) 19Jul93
|
||||
*
|
||||
* 16 Nov 1994 Andreas Schwab
|
||||
* Compatibility with busmouse
|
||||
* Support for three button mouse (shamelessly stolen from MiNT)
|
||||
* third button wired to one of the joystick directions on joystick 1
|
||||
*
|
||||
* 1996/02/11 Andreas Schwab
|
||||
* Module support
|
||||
* Allow multiple open's
|
||||
*
|
||||
* Converted to use new generic busmouse code. 5 Apr 1998
|
||||
* Russell King <rmk@arm.uk.linux.org>
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* 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/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/interrupt.h>
|
||||
|
||||
#include <asm/irq.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/atarihw.h>
|
||||
#include <asm/atarikb.h>
|
||||
#include <asm/atariints.h>
|
||||
|
||||
MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");
|
||||
MODULE_DESCRIPTION("Atari mouse driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
static int mouse_threshold[2] = {2,2};
|
||||
|
||||
#ifdef __MODULE__
|
||||
MODULE_PARM(mouse_threshold, "2i");
|
||||
#endif
|
||||
#ifdef FIXED_ATARI_JOYSTICK
|
||||
extern int atari_mouse_buttons;
|
||||
#endif
|
||||
static int atamouse_used = 0;
|
||||
|
||||
static struct input_dev *atamouse_dev;
|
||||
|
||||
static void atamouse_interrupt(char *buf)
|
||||
{
|
||||
int buttons, dx, dy;
|
||||
|
||||
/* ikbd_mouse_disable(); */
|
||||
|
||||
buttons = (buf[0] & 1) | ((buf[0] & 2) << 1);
|
||||
#ifdef FIXED_ATARI_JOYSTICK
|
||||
buttons |= atari_mouse_buttons & 2;
|
||||
atari_mouse_buttons = buttons;
|
||||
#endif
|
||||
/* ikbd_mouse_rel_pos(); */
|
||||
|
||||
/* only relative events get here */
|
||||
dx = buf[1];
|
||||
dy = -buf[2];
|
||||
|
||||
input_report_rel(atamouse_dev, REL_X, dx);
|
||||
input_report_rel(atamouse_dev, REL_Y, dy);
|
||||
|
||||
input_report_key(atamouse_dev, BTN_LEFT, buttons & 0x1);
|
||||
input_report_key(atamouse_dev, BTN_MIDDLE, buttons & 0x2);
|
||||
input_report_key(atamouse_dev, BTN_RIGHT, buttons & 0x4);
|
||||
|
||||
input_sync(atamouse_dev);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int atamouse_open(struct input_dev *dev)
|
||||
{
|
||||
if (atamouse_used++)
|
||||
return 0;
|
||||
|
||||
#ifdef FIXED_ATARI_JOYSTICK
|
||||
atari_mouse_buttons = 0;
|
||||
#endif
|
||||
ikbd_mouse_y0_top();
|
||||
ikbd_mouse_thresh(mouse_threshold[0], mouse_threshold[1]);
|
||||
ikbd_mouse_rel_pos();
|
||||
atari_input_mouse_interrupt_hook = atamouse_interrupt;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void atamouse_close(struct input_dev *dev)
|
||||
{
|
||||
if (!--atamouse_used) {
|
||||
ikbd_mouse_disable();
|
||||
atari_mouse_interrupt_hook = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int __init atamouse_init(void)
|
||||
{
|
||||
if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP))
|
||||
return -ENODEV;
|
||||
|
||||
if (!(atamouse_dev = input_allocate_device()))
|
||||
return -ENOMEM;
|
||||
|
||||
if (!(atari_keyb_init()))
|
||||
return -ENODEV;
|
||||
|
||||
atamouse_dev->name = "Atari mouse";
|
||||
atamouse_dev->phys = "atamouse/input0";
|
||||
atamouse_dev->id.bustype = BUS_ATARI;
|
||||
atamouse_dev->id.vendor = 0x0001;
|
||||
atamouse_dev->id.product = 0x0002;
|
||||
atamouse_dev->id.version = 0x0100;
|
||||
|
||||
atamouse_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
|
||||
atamouse_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
|
||||
atamouse_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
|
||||
atamouse_dev->open = atamouse_open;
|
||||
atamouse_dev->close = atamouse_close;
|
||||
|
||||
input_register_device(atamouse_dev);
|
||||
|
||||
printk(KERN_INFO "input: %s at keyboard ACIA\n", atamouse_dev->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit atamouse_exit(void)
|
||||
{
|
||||
input_unregister_device(atamouse_dev);
|
||||
}
|
||||
|
||||
module_init(atamouse_init);
|
||||
module_exit(atamouse_exit);
|
||||
|
|
@ -36,5 +36,11 @@ void ikbd_joystick_disable(void);
|
|||
extern void (*atari_MIDI_interrupt_hook) (void);
|
||||
/* Hook for mouse driver */
|
||||
extern void (*atari_mouse_interrupt_hook) (char *);
|
||||
/* Hook for keyboard inputdev driver */
|
||||
extern void (*atari_input_keyboard_interrupt_hook) (unsigned char, char);
|
||||
/* Hook for mouse inputdev driver */
|
||||
extern void (*atari_input_mouse_interrupt_hook) (char *);
|
||||
|
||||
int atari_keyb_init(void);
|
||||
|
||||
#endif /* _LINUX_ATARIKB_H */
|
||||
|
|
|
|||
|
|
@ -676,6 +676,7 @@ struct input_absinfo {
|
|||
#define BUS_I2C 0x18
|
||||
#define BUS_HOST 0x19
|
||||
#define BUS_GSC 0x1A
|
||||
#define BUS_ATARI 0x1B
|
||||
|
||||
/*
|
||||
* Values describing the status of a force-feedback effect
|
||||
|
|
|
|||
Loading…
Reference in a new issue