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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [m68k/] [amiga/] [amikeyb.c] - Rev 1765
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/* * linux/amiga/amikeyb.c * * Amiga Keyboard driver for 680x0 Linux * * 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. */ /* * Amiga support by Hamish Macdonald */ #include <linux/types.h> #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/errno.h> #include <linux/keyboard.h> #include <linux/delay.h> #include <linux/timer.h> #include <linux/kd.h> #include <linux/random.h> #include <asm/bootinfo.h> #include <asm/amigatypes.h> #include <asm/amigaints.h> #include <asm/amigahw.h> #include <asm/irq.h> extern int do_poke_blanked_console; extern void process_keycode (int); #define AMIKEY_CAPS (0x62) #define BREAK_MASK (0x80) static u_short amiplain_map[NR_KEYS] = { 0xf060, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038, 0xf039, 0xf030, 0xf02d, 0xf03d, 0xf05c, 0xf200, 0xf300, 0xfb71, 0xfb77, 0xfb65, 0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69, 0xfb6f, 0xfb70, 0xf05b, 0xf05d, 0xf200, 0xf301, 0xf302, 0xf303, 0xfb61, 0xfb73, 0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b, 0xf027, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d, 0xf02c, 0xf02e, 0xf02f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309, 0xf020, 0xf07f, 0xf009, 0xf30e, 0xf201, 0xf01b, 0xf07f, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf100, 0xf101, 0xf102, 0xf103, 0xf104, 0xf105, 0xf106, 0xf107, 0xf108, 0xf109, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf10a, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amishift_map[NR_KEYS] = { 0xf07e, 0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026, 0xf02a, 0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07c, 0xf200, 0xf300, 0xfb51, 0xfb57, 0xfb45, 0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49, 0xfb4f, 0xfb50, 0xf07b, 0xf07d, 0xf200, 0xf301, 0xf302, 0xf303, 0xfb41, 0xfb53, 0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b, 0xfb4c, 0xf03a, 0xf022, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d, 0xf03c, 0xf03e, 0xf03f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309, 0xf020, 0xf07f, 0xf009, 0xf30e, 0xf201, 0xf01b, 0xf07f, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf10a, 0xf10b, 0xf10c, 0xf10d, 0xf10e, 0xf10f, 0xf110, 0xf111, 0xf112, 0xf113, 0xf208, 0xf203, 0xf30d, 0xf30c, 0xf30a, 0xf10a, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amialtgr_map[NR_KEYS] = { 0xf200, 0xf200, 0xf040, 0xf200, 0xf024, 0xf200, 0xf200, 0xf07b, 0xf05b, 0xf05d, 0xf07d, 0xf05c, 0xf200, 0xf200, 0xf200, 0xf300, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf07e, 0xf200, 0xf301, 0xf302, 0xf303, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309, 0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf50c, 0xf50d, 0xf50e, 0xf50f, 0xf510, 0xf511, 0xf512, 0xf513, 0xf514, 0xf515, 0xf208, 0xf202, 0xf30d, 0xf30c, 0xf30a, 0xf516, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amictrl_map[NR_KEYS] = { 0xf000, 0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf07f, 0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf300, 0xf011, 0xf017, 0xf005, 0xf012, 0xf014, 0xf019, 0xf015, 0xf009, 0xf00f, 0xf010, 0xf01b, 0xf01d, 0xf200, 0xf301, 0xf302, 0xf303, 0xf001, 0xf013, 0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b, 0xf00c, 0xf200, 0xf007, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf00d, 0xf200, 0xf200, 0xf07f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309, 0xf000, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf100, 0xf101, 0xf102, 0xf103, 0xf104, 0xf105, 0xf106, 0xf107, 0xf108, 0xf109, 0xf208, 0xf204, 0xf30d, 0xf30c, 0xf30a, 0xf10a, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amishift_ctrl_map[NR_KEYS] = { 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf300, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, 0xf303, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309, 0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf208, 0xf200, 0xf30d, 0xf30c, 0xf30a, 0xf200, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amialt_map[NR_KEYS] = { 0xf860, 0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837, 0xf838, 0xf839, 0xf830, 0xf82d, 0xf83d, 0xf85c, 0xf200, 0xf900, 0xf871, 0xf877, 0xf865, 0xf872, 0xf874, 0xf879, 0xf875, 0xf869, 0xf86f, 0xf870, 0xf85b, 0xf85d, 0xf200, 0xf901, 0xf902, 0xf903, 0xf861, 0xf873, 0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b, 0xf86c, 0xf83b, 0xf827, 0xf200, 0xf200, 0xf904, 0xf905, 0xf906, 0xf200, 0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d, 0xf82c, 0xf82e, 0xf82f, 0xf200, 0xf310, 0xf907, 0xf908, 0xf909, 0xf820, 0xf87f, 0xf809, 0xf30e, 0xf80d, 0xf81b, 0xf87f, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf500, 0xf501, 0xf502, 0xf503, 0xf504, 0xf505, 0xf506, 0xf507, 0xf508, 0xf509, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf50a, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; static u_short amictrl_alt_map[NR_KEYS] = { 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf300, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, 0xf303, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf20c, 0xf307, 0xf308, 0xf309, 0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf208, 0xf200, 0xf30d, 0xf30c, 0xf30a, 0xf200, 0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, }; #define DEFAULT_KEYB_REP_DELAY (HZ/4) #define DEFAULT_KEYB_REP_RATE (HZ/25) /* These could be settable by some ioctl() in future... */ static unsigned int key_repeat_delay = DEFAULT_KEYB_REP_DELAY; static unsigned int key_repeat_rate = DEFAULT_KEYB_REP_RATE; static unsigned char rep_scancode; static void amikeyb_rep (unsigned long ignore); static struct timer_list amikeyb_rep_timer = {NULL, NULL, 0, 0, amikeyb_rep}; extern struct pt_regs *pt_regs; static void amikeyb_rep (unsigned long ignore) { unsigned long flags; save_flags(flags); cli(); pt_regs = NULL; amikeyb_rep_timer.expires = jiffies + key_repeat_rate; amikeyb_rep_timer.prev = amikeyb_rep_timer.next = NULL; add_timer(&amikeyb_rep_timer); process_keycode (rep_scancode); restore_flags(flags); } static void keyboard_interrupt (int irq, struct pt_regs *fp, void *dummy) { unsigned char scancode, break_flag; /* save frame for register dump */ pt_regs = (struct pt_regs *)fp; /* get and invert scancode (keyboard is active low) */ scancode = ~ciaa.sdr; /* switch SP pin to output for handshake */ ciaa.cra |= 0x40; /* wait until 85 us have expired */ udelay(85); /* switch CIA serial port to input mode */ ciaa.cra &= ~0x40; /* rotate scan code to get up/down bit in proper position */ __asm__ __volatile__ ("rorb #1,%0" : "=g" (scancode) : "0" (scancode)); /* * do machine independent keyboard processing of "normalized" scancode * A "normalized" scancode is one that an IBM PC might generate * Check make/break first */ break_flag = scancode & BREAK_MASK; scancode &= (unsigned char )~BREAK_MASK; if (scancode == AMIKEY_CAPS) { /* if the key is CAPS, fake a press/release. */ process_keycode (AMIKEY_CAPS); process_keycode (BREAK_MASK | AMIKEY_CAPS); } else { /* handle repeat */ if (break_flag) { del_timer(&amikeyb_rep_timer); rep_scancode = 0; } else { del_timer(&amikeyb_rep_timer); rep_scancode = break_flag | scancode; amikeyb_rep_timer.expires = jiffies + key_repeat_delay; amikeyb_rep_timer.prev = amikeyb_rep_timer.next = NULL; add_timer(&amikeyb_rep_timer); } process_keycode (break_flag | scancode); } do_poke_blanked_console = 1; mark_bh(CONSOLE_BH); add_keyboard_randomness(scancode); return; } int amiga_keyb_init (void) { if (!AMIGAHW_PRESENT(AMI_KEYBOARD)) return -EIO; /* setup key map */ key_maps[0] = amiplain_map; key_maps[1] = amishift_map; key_maps[2] = amialtgr_map; key_maps[4] = amictrl_map; key_maps[5] = amishift_ctrl_map; key_maps[8] = amialt_map; key_maps[12] = amictrl_alt_map; memcpy (plain_map, amiplain_map, sizeof(plain_map)); /* * Initialize serial data direction. */ ciaa.cra &= ~0x41; /* serial data in, turn off TA */ /* * arrange for processing of keyboard interrupt */ add_isr (IRQ_AMIGA_CIAA_SP, keyboard_interrupt, 0, NULL, "keyboard"); return 0; } int amiga_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->rate > 0) { key_repeat_rate = (k->rate * HZ + 500) / 1000; if (key_repeat_rate < 1) key_repeat_rate = 1; } k->delay = key_repeat_delay * 1000 / HZ; k->rate = key_repeat_rate * 1000 / HZ; return( 0 ); }