* `Sticky' modifier keys, 951006.
*
* 11-11-96: SAK should now work in the raw mode (Martin Mares)
- *
+ *
* Modified to provide 'generic' keyboard support by Hamish Macdonald
* Merge with the m68k keyboard driver and split-off of the PC low-level
* parts by Geert Uytterhoeven, May 1997
/*
* Some laptops take the 789uiojklm,. keys as number pad when NumLock is on.
* This seems a good reason to start with NumLock off. On HIL keyboards
- * of PARISC machines however there is no NumLock key and everyone expects the keypad
+ * of PARISC machines however there is no NumLock key and everyone expects the keypad
* to be used for numbers.
*/
k_self, k_fn, k_spec, k_pad,\
k_dead, k_cons, k_cur, k_shift,\
k_meta, k_ascii, k_lock, k_lowercase,\
- k_slock, k_dead2, k_ignore, k_ignore
+ k_slock, k_dead2, k_brl, k_ignore
-typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
+typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
char up_flag, struct pt_regs *regs);
static k_handler_fn K_HANDLERS;
static k_handler_fn *k_handler[16] = { K_HANDLERS };
#define FN_HANDLERS\
- fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
- fn_show_state, fn_send_intr, fn_lastcons, fn_caps_toggle,\
- fn_num, fn_hold, fn_scroll_forw, fn_scroll_back,\
- fn_boot_it, fn_caps_on, fn_compose, fn_SAK,\
- fn_dec_console, fn_inc_console, fn_spawn_con, fn_bare_num
+ fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
+ fn_show_state, fn_send_intr, fn_lastcons, fn_caps_toggle,\
+ fn_num, fn_hold, fn_scroll_forw, fn_scroll_back,\
+ fn_boot_it, fn_caps_on, fn_compose, fn_SAK,\
+ fn_dec_console, fn_inc_console, fn_spawn_con, fn_bare_num
typedef void (fn_handler_fn)(struct vc_data *vc, struct pt_regs *regs);
static fn_handler_fn FN_HANDLERS;
const int max_vals[] = {
255, ARRAY_SIZE(func_table) - 1, ARRAY_SIZE(fn_handler) - 1, NR_PAD - 1,
NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1,
- 255, NR_LOCK - 1, 255
+ 255, NR_LOCK - 1, 255, NR_BRL - 1
};
const int NR_TYPES = ARRAY_SIZE(max_vals);
static unsigned char shift_down[NR_SHIFT]; /* shift state counters.. */
static int dead_key_next;
static int npadch = -1; /* -1 or number assembled on pad */
-static unsigned char diacr;
+static unsigned int diacr;
static char rep; /* flag telling character repeat */
static unsigned char ledstate = 0xff; /* undefined */
*/
int getkeycode(unsigned int scancode)
{
- struct list_head * node;
+ struct list_head *node;
struct input_dev *dev = NULL;
- list_for_each(node,&kbd_handler.h_list) {
- struct input_handle * handle = to_handle_h(node);
- if (handle->dev->keycodesize) {
- dev = handle->dev;
+ list_for_each(node, &kbd_handler.h_list) {
+ struct input_handle *handle = to_handle_h(node);
+ if (handle->dev->keycodesize) {
+ dev = handle->dev;
break;
}
}
int setkeycode(unsigned int scancode, unsigned int keycode)
{
- struct list_head * node;
+ struct list_head *node;
struct input_dev *dev = NULL;
unsigned int i, oldkey;
- list_for_each(node,&kbd_handler.h_list) {
+ list_for_each(node, &kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
- if (handle->dev->keycodesize) {
- dev = handle->dev;
- break;
+ if (handle->dev->keycodesize) {
+ dev = handle->dev;
+ break;
}
}
}
/*
- * Making beeps and bells.
+ * Making beeps and bells.
*/
static void kd_nosound(unsigned long ignored)
{
- struct list_head * node;
+ struct list_head *node;
list_for_each(node,&kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
}
}
-static struct timer_list kd_mksound_timer =
- TIMER_INITIALIZER(kd_nosound, 0, 0);
+static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);
void kd_mksound(unsigned int hz, unsigned int ticks)
{
- struct list_head * node;
+ struct list_head *node;
del_timer(&kd_mksound_timer);
if (hz) {
- list_for_each_prev(node,&kbd_handler.h_list) {
+ list_for_each_prev(node, &kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
if (test_bit(EV_SND, handle->dev->evbit)) {
if (test_bit(SND_TONE, handle->dev->sndbit)) {
if (c < 0x80)
/* 0******* */
put_queue(vc, c);
- else if (c < 0x800) {
+ else if (c < 0x800) {
/* 110***** 10****** */
- put_queue(vc, 0xc0 | (c >> 6));
+ put_queue(vc, 0xc0 | (c >> 6));
put_queue(vc, 0x80 | (c & 0x3f));
- } else {
+ } else {
/* 1110**** 10****** 10****** */
put_queue(vc, 0xe0 | (c >> 12));
put_queue(vc, 0x80 | ((c >> 6) & 0x3f));
put_queue(vc, 0x80 | (c & 0x3f));
- }
+ }
}
-/*
+/*
* Called after returning from RAW mode or when changing consoles - recompute
* shift_down[] and shift_state from key_down[] maybe called when keymap is
* undefined, so that shiftkey release is seen
shift_state = 0;
memset(shift_down, 0, sizeof(shift_down));
-
+
for (i = 0; i < ARRAY_SIZE(key_down); i++) {
if (!key_down[i])
* Otherwise, conclude that DIACR was not combining after all,
* queue it and return CH.
*/
-static unsigned char handle_diacr(struct vc_data *vc, unsigned char ch)
+static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch)
{
- int d = diacr;
+ unsigned int d = diacr;
unsigned int i;
diacr = 0;
- for (i = 0; i < accent_table_size; i++) {
- if (accent_table[i].diacr == d && accent_table[i].base == ch)
- return accent_table[i].result;
+ if ((d & ~0xff) == BRL_UC_ROW) {
+ if ((ch & ~0xff) == BRL_UC_ROW)
+ return d | ch;
+ } else {
+ for (i = 0; i < accent_table_size; i++)
+ if (accent_table[i].diacr == d && accent_table[i].base == ch)
+ return accent_table[i].result;
}
- if (ch == ' ' || ch == d)
+ if (ch == ' ' || ch == (BRL_UC_ROW|0) || ch == d)
return d;
- put_queue(vc, d);
+ if (kbd->kbdmode == VC_UNICODE)
+ to_utf8(vc, d);
+ else if (d < 0x100)
+ put_queue(vc, d);
+
return ch;
}
static void fn_enter(struct vc_data *vc, struct pt_regs *regs)
{
if (diacr) {
- put_queue(vc, diacr);
+ if (kbd->kbdmode == VC_UNICODE)
+ to_utf8(vc, diacr);
+ else if (diacr < 0x100)
+ put_queue(vc, diacr);
diacr = 0;
}
put_queue(vc, 13);
if (want_console != -1)
cur = want_console;
- for (i = cur-1; i != cur; i--) {
+ for (i = cur - 1; i != cur; i--) {
if (i == -1)
- i = MAX_NR_CONSOLES-1;
+ i = MAX_NR_CONSOLES - 1;
if (vc_cons_allocated(i))
break;
}
static void fn_spawn_con(struct vc_data *vc, struct pt_regs *regs)
{
- if (spawnpid)
- if(kill_proc(spawnpid, spawnsig, 1))
- spawnpid = 0;
+ if (spawnpid)
+ if (kill_proc(spawnpid, spawnsig, 1))
+ spawnpid = 0;
}
static void fn_SAK(struct vc_data *vc, struct pt_regs *regs)
return;
if (value >= ARRAY_SIZE(fn_handler))
return;
- if ((kbd->kbdmode == VC_RAW ||
- kbd->kbdmode == VC_MEDIUMRAW) &&
+ if ((kbd->kbdmode == VC_RAW ||
+ kbd->kbdmode == VC_MEDIUMRAW) &&
value != KVAL(K_SAK))
return; /* SAK is allowed even in raw mode */
fn_handler[value](vc, regs);
printk(KERN_ERR "keyboard.c: k_lowercase was called - impossible\n");
}
-static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs)
{
if (up_flag)
return; /* no action, if this is a key release */
diacr = value;
return;
}
- put_queue(vc, value);
+ if (kbd->kbdmode == VC_UNICODE)
+ to_utf8(vc, value);
+ else if (value < 0x100)
+ put_queue(vc, value);
}
/*
* dead keys modifying the same character. Very useful
* for Vietnamese.
*/
-static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs)
{
if (up_flag)
return;
diacr = (diacr ? handle_diacr(vc, value) : value);
}
+static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+{
+ k_unicode(vc, value, up_flag, regs);
+}
+
+static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+{
+ k_deadunicode(vc, value, up_flag, regs);
+}
+
/*
* Obsolete - for backwards compatibility only
*/
{
static unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' };
value = ret_diacr[value];
- k_dead2(vc, value, up_flag, regs);
+ k_deadunicode(vc, value, up_flag, regs);
}
static void k_cons(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
}
}
+/* by default, 300ms interval for combination release */
+static unsigned brl_timeout = 300;
+MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for commit on first key release)");
+module_param(brl_timeout, uint, 0644);
+
+static unsigned brl_nbchords = 1;
+MODULE_PARM_DESC(brl_nbchords, "Number of chords that produce a braille pattern (0 for dead chords)");
+module_param(brl_nbchords, uint, 0644);
+
+static void k_brlcommit(struct vc_data *vc, unsigned int pattern, char up_flag, struct pt_regs *regs)
+{
+ static unsigned long chords;
+ static unsigned committed;
+
+ if (!brl_nbchords)
+ k_deadunicode(vc, BRL_UC_ROW | pattern, up_flag, regs);
+ else {
+ committed |= pattern;
+ chords++;
+ if (chords == brl_nbchords) {
+ k_unicode(vc, BRL_UC_ROW | committed, up_flag, regs);
+ chords = 0;
+ committed = 0;
+ }
+ }
+}
+
+static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+{
+ static unsigned pressed,committing;
+ static unsigned long releasestart;
+
+ if (kbd->kbdmode != VC_UNICODE) {
+ if (!up_flag)
+ printk("keyboard mode must be unicode for braille patterns\n");
+ return;
+ }
+
+ if (!value) {
+ k_unicode(vc, BRL_UC_ROW, up_flag, regs);
+ return;
+ }
+
+ if (value > 8)
+ return;
+
+ if (up_flag) {
+ if (brl_timeout) {
+ if (!committing ||
+ jiffies - releasestart > (brl_timeout * HZ) / 1000) {
+ committing = pressed;
+ releasestart = jiffies;
+ }
+ pressed &= ~(1 << (value - 1));
+ if (!pressed) {
+ if (committing) {
+ k_brlcommit(vc, committing, 0, regs);
+ committing = 0;
+ }
+ }
+ } else {
+ if (committing) {
+ k_brlcommit(vc, committing, 0, regs);
+ committing = 0;
+ }
+ pressed &= ~(1 << (value - 1));
+ }
+ } else {
+ pressed |= 1 << (value - 1);
+ if (!brl_timeout)
+ committing = pressed;
+ }
+}
+
/*
* The leds display either (i) the status of NumLock, CapsLock, ScrollLock,
* or (ii) whatever pattern of lights people want to show using KDSETLED,
static void kbd_bh(unsigned long dummy)
{
- struct list_head * node;
+ struct list_head *node;
unsigned char leds = getleds();
if (leds != ledstate) {
- list_for_each(node,&kbd_handler.h_list) {
+ list_for_each(node, &kbd_handler.h_list) {
struct input_handle * handle = to_handle_h(node);
input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
input_event(handle->dev, EV_LED, LED_NUML, !!(leds & 0x02));
}
#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\
- defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC32) ||\
- defined(CONFIG_SPARC64) || defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\
+ defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) ||\
+ defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\
(defined(CONFIG_ARM) && defined(CONFIG_KEYBOARD_ATKBD) && !defined(CONFIG_ARCH_RPC))
#define HW_RAW(dev) (test_bit(EV_MSC, dev->evbit) && test_bit(MSC_RAW, dev->mscbit) &&\
extern int mac_hid_mouse_emulate_buttons(int, int, int);
#endif /* CONFIG_MAC_EMUMOUSEBTN */
-#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+#ifdef CONFIG_SPARC
static int sparc_l1_a_state = 0;
extern void sun_do_break(void);
#endif
-static int emulate_raw(struct vc_data *vc, unsigned int keycode,
+static int emulate_raw(struct vc_data *vc, unsigned int keycode,
unsigned char up_flag)
{
if (keycode > 255 || !x86_keycodes[keycode])
- return -1;
+ return -1;
switch (keycode) {
case KEY_PAUSE:
case KEY_HANJA:
if (!up_flag) put_queue(vc, 0xf2);
return 0;
- }
+ }
if (keycode == KEY_SYSRQ && sysrq_alt) {
put_queue(vc, 0x54 | up_flag);
if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
sysrq_alt = down;
-#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+#ifdef CONFIG_SPARC
if (keycode == KEY_STOP)
sparc_l1_a_state = down;
#endif
return;
}
#endif
-#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+#ifdef CONFIG_SPARC
if (keycode == KEY_A && sparc_l1_a_state) {
sparc_l1_a_state = 0;
sun_do_break();
else
clear_bit(keycode, key_down);
- if (rep && (!vc_kbd_mode(kbd, VC_REPEAT) || (tty &&
- (!L_ECHO(tty) && tty->driver->chars_in_buffer(tty))))) {
+ if (rep &&
+ (!vc_kbd_mode(kbd, VC_REPEAT) ||
+ (tty && !L_ECHO(tty) && tty->driver->chars_in_buffer(tty)))) {
/*
* Don't repeat a key if the input buffers are not empty and the
- * characters get aren't echoed locally. This makes key repeat
+ * characters get aren't echoed locally. This makes key repeat
* usable with slow applications and under heavy loads.
*/
return;
}
if (keycode > NR_KEYS)
- return;
+ if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
+ keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1);
+ else
+ return;
+ else
+ keysym = key_map[keycode];
- keysym = key_map[keycode];
type = KTYP(keysym);
if (type < 0xf0) {
- if (down && !raw_mode) to_utf8(vc, keysym);
+ if (down && !raw_mode)
+ to_utf8(vc, keysym);
return;
}
kbd->slockstate = 0;
}
-static void kbd_event(struct input_handle *handle, unsigned int event_type,
+static void kbd_event(struct input_handle *handle, unsigned int event_type,
unsigned int event_code, int value)
{
if (event_type == EV_MSC && event_code == MSC_RAW && HW_RAW(handle->dev))
schedule_console_callback();
}
-static char kbd_name[] = "kbd";
-
/*
* When a keyboard (or other input device) is found, the kbd_connect
* function is called. The function then looks at the device, and if it
* likes it, it can open it and get events from it. In this (kbd_connect)
* function, we should decide which VT to bind that keyboard to initially.
*/
-static struct input_handle *kbd_connect(struct input_handler *handler,
+static struct input_handle *kbd_connect(struct input_handler *handler,
struct input_dev *dev,
struct input_device_id *id)
{
int i;
for (i = KEY_RESERVED; i < BTN_MISC; i++)
- if (test_bit(i, dev->keybit)) break;
+ if (test_bit(i, dev->keybit))
+ break;
- if ((i == BTN_MISC) && !test_bit(EV_SND, dev->evbit))
+ if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
return NULL;
- if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+ if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
return NULL;
memset(handle, 0, sizeof(struct input_handle));
handle->dev = dev;
handle->handler = handler;
- handle->name = kbd_name;
+ handle->name = "kbd";
input_open_device(handle);
kbd_refresh_leds(handle);
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
.evbit = { BIT(EV_KEY) },
},
-
+
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
.evbit = { BIT(EV_SND) },
- },
+ },
{ }, /* Terminating entry */
};