* 21-08-02: Converted to input API, major cleanup. (Vojtech Pavlik)
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/consolemap.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/tty.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/irq.h>
#include <linux/kbd_kern.h>
#include <linux/kbd_diacr.h>
#include <linux/vt_kern.h>
-#include <linux/sysrq.h>
#include <linux/input.h>
#include <linux/reboot.h>
+#include <linux/notifier.h>
+#include <linux/jiffies.h>
-static void kbd_disconnect(struct input_handle *handle);
extern void ctrl_alt_del(void);
/*
k_slock, k_dead2, k_brl, k_ignore
typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
- char up_flag, struct pt_regs *regs);
+ char up_flag);
static k_handler_fn K_HANDLERS;
static k_handler_fn *k_handler[16] = { K_HANDLERS };
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);
+typedef void (fn_handler_fn)(struct vc_data *vc);
static fn_handler_fn FN_HANDLERS;
static fn_handler_fn *fn_handler[] = { FN_HANDLERS };
const int NR_TYPES = ARRAY_SIZE(max_vals);
struct kbd_struct kbd_table[MAX_NR_CONSOLES];
+EXPORT_SYMBOL_GPL(kbd_table);
static struct kbd_struct *kbd = kbd_table;
-int spawnpid, spawnsig;
+struct vt_spawn_console vt_spawn_con = {
+ .lock = __SPIN_LOCK_UNLOCKED(vt_spawn_con.lock),
+ .pid = NULL,
+ .sig = 0,
+};
/*
* Variables exported for vt.c
*/
static struct input_handler kbd_handler;
-static unsigned long key_down[NBITS(KEY_MAX)]; /* keyboard key bitmap */
+static DEFINE_SPINLOCK(kbd_event_lock);
+static unsigned long key_down[BITS_TO_LONGS(KEY_CNT)]; /* keyboard key bitmap */
static unsigned char shift_down[NR_SHIFT]; /* shift state counters.. */
-static int dead_key_next;
+static bool dead_key_next;
static int npadch = -1; /* -1 or number assembled on pad */
static unsigned int diacr;
static char rep; /* flag telling character repeat */
unsigned char valid:1;
} ledptrs[3];
-/* Simple translation table for the SysRq keys */
-
-#ifdef CONFIG_MAGIC_SYSRQ
-unsigned char kbd_sysrq_xlate[KEY_MAX + 1] =
- "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */
- "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */
- "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */
- "bnm,./\000*\000 \000\201\202\203\204\205" /* 0x30 - 0x3f */
- "\206\207\210\211\212\000\000789-456+1" /* 0x40 - 0x4f */
- "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
- "\r\000/"; /* 0x60 - 0x6f */
-static int sysrq_down;
-static int sysrq_alt_use;
-#endif
-static int sysrq_alt;
-
/*
- * Translation of scancodes to keycodes. We set them on only the first attached
- * keyboard - for per-keyboard setting, /dev/input/event is more useful.
+ * Notifier list for console keyboard events
*/
-int getkeycode(unsigned int scancode)
+static ATOMIC_NOTIFIER_HEAD(keyboard_notifier_list);
+
+int register_keyboard_notifier(struct notifier_block *nb)
{
- struct list_head *node;
- struct input_dev *dev = NULL;
+ return atomic_notifier_chain_register(&keyboard_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_keyboard_notifier);
- 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 unregister_keyboard_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_unregister(&keyboard_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_keyboard_notifier);
- if (!dev)
- return -ENODEV;
+/*
+ * Translation of scancodes to keycodes. We set them on only the first
+ * keyboard in the list that accepts the scancode and keycode.
+ * Explanation for not choosing the first attached keyboard anymore:
+ * USB keyboards for example have two event devices: one for all "normal"
+ * keys and one for extra function keys (like "volume up", "make coffee",
+ * etc.). So this means that scancodes for the extra function keys won't
+ * be valid for the first event device, but will be for the second.
+ */
+
+struct getset_keycode_data {
+ unsigned int scancode;
+ unsigned int keycode;
+ int error;
+};
+
+static int getkeycode_helper(struct input_handle *handle, void *data)
+{
+ struct getset_keycode_data *d = data;
- if (scancode >= dev->keycodemax)
- return -EINVAL;
+ d->error = input_get_keycode(handle->dev, d->scancode, &d->keycode);
- return INPUT_KEYCODE(dev, scancode);
+ return d->error == 0; /* stop as soon as we successfully get one */
}
-int setkeycode(unsigned int scancode, unsigned int keycode)
+int getkeycode(unsigned int scancode)
{
- struct list_head *node;
- struct input_dev *dev = NULL;
- unsigned int i, oldkey;
+ struct getset_keycode_data d = { scancode, 0, -ENODEV };
- list_for_each(node, &kbd_handler.h_list) {
- struct input_handle *handle = to_handle_h(node);
- if (handle->dev->keycodesize) {
- dev = handle->dev;
- break;
- }
- }
+ input_handler_for_each_handle(&kbd_handler, &d, getkeycode_helper);
- if (!dev)
- return -ENODEV;
+ return d.error ?: d.keycode;
+}
- if (scancode >= dev->keycodemax)
- return -EINVAL;
- if (keycode < 0 || keycode > KEY_MAX)
- return -EINVAL;
- if (dev->keycodesize < sizeof(keycode) && (keycode >> (dev->keycodesize * 8)))
- return -EINVAL;
+static int setkeycode_helper(struct input_handle *handle, void *data)
+{
+ struct getset_keycode_data *d = data;
+
+ d->error = input_set_keycode(handle->dev, d->scancode, d->keycode);
- oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode);
+ return d->error == 0; /* stop as soon as we successfully set one */
+}
- clear_bit(oldkey, dev->keybit);
- set_bit(keycode, dev->keybit);
+int setkeycode(unsigned int scancode, unsigned int keycode)
+{
+ struct getset_keycode_data d = { scancode, keycode, -ENODEV };
- for (i = 0; i < dev->keycodemax; i++)
- if (INPUT_KEYCODE(dev,i) == oldkey)
- set_bit(oldkey, dev->keybit);
+ input_handler_for_each_handle(&kbd_handler, &d, setkeycode_helper);
- return 0;
+ return d.error;
}
/*
- * Making beeps and bells.
+ * Making beeps and bells. Note that we prefer beeps to bells, but when
+ * shutting the sound off we do both.
*/
-static void kd_nosound(unsigned long ignored)
-{
- struct list_head *node;
- list_for_each(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))
- input_inject_event(handle, EV_SND, SND_TONE, 0);
- if (test_bit(SND_BELL, handle->dev->sndbit))
- input_inject_event(handle, EV_SND, SND_BELL, 0);
+static int kd_sound_helper(struct input_handle *handle, void *data)
+{
+ unsigned int *hz = data;
+ struct input_dev *dev = handle->dev;
+
+ if (test_bit(EV_SND, dev->evbit)) {
+ if (test_bit(SND_TONE, dev->sndbit)) {
+ input_inject_event(handle, EV_SND, SND_TONE, *hz);
+ if (*hz)
+ return 0;
}
+ if (test_bit(SND_BELL, dev->sndbit))
+ input_inject_event(handle, EV_SND, SND_BELL, *hz ? 1 : 0);
}
+
+ return 0;
+}
+
+static void kd_nosound(unsigned long ignored)
+{
+ static unsigned int zero;
+
+ input_handler_for_each_handle(&kbd_handler, &zero, kd_sound_helper);
}
static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);
void kd_mksound(unsigned int hz, unsigned int ticks)
{
- struct list_head *node;
-
- del_timer(&kd_mksound_timer);
-
- if (hz) {
- 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)) {
- input_inject_event(handle, EV_SND, SND_TONE, hz);
- break;
- }
- if (test_bit(SND_BELL, handle->dev->sndbit)) {
- input_inject_event(handle, EV_SND, SND_BELL, 1);
- break;
- }
- }
- }
- if (ticks)
- mod_timer(&kd_mksound_timer, jiffies + ticks);
- } else
- kd_nosound(0);
+ del_timer_sync(&kd_mksound_timer);
+
+ input_handler_for_each_handle(&kbd_handler, &hz, kd_sound_helper);
+
+ if (hz && ticks)
+ mod_timer(&kd_mksound_timer, jiffies + ticks);
}
+EXPORT_SYMBOL(kd_mksound);
/*
* Setting the keyboard rate.
*/
-int kbd_rate(struct kbd_repeat *rep)
+static int kbd_rate_helper(struct input_handle *handle, void *data)
{
- struct list_head *node;
- unsigned int d = 0;
- unsigned int p = 0;
-
- list_for_each(node, &kbd_handler.h_list) {
- struct input_handle *handle = to_handle_h(node);
- struct input_dev *dev = handle->dev;
-
- if (test_bit(EV_REP, dev->evbit)) {
- if (rep->delay > 0)
- input_inject_event(handle, EV_REP, REP_DELAY, rep->delay);
- if (rep->period > 0)
- input_inject_event(handle, EV_REP, REP_PERIOD, rep->period);
- d = dev->rep[REP_DELAY];
- p = dev->rep[REP_PERIOD];
- }
+ struct input_dev *dev = handle->dev;
+ struct kbd_repeat *rep = data;
+
+ if (test_bit(EV_REP, dev->evbit)) {
+
+ if (rep[0].delay > 0)
+ input_inject_event(handle,
+ EV_REP, REP_DELAY, rep[0].delay);
+ if (rep[0].period > 0)
+ input_inject_event(handle,
+ EV_REP, REP_PERIOD, rep[0].period);
+
+ rep[1].delay = dev->rep[REP_DELAY];
+ rep[1].period = dev->rep[REP_PERIOD];
}
- rep->delay = d;
- rep->period = p;
+
+ return 0;
+}
+
+int kbd_rate(struct kbd_repeat *rep)
+{
+ struct kbd_repeat data[2] = { *rep };
+
+ input_handler_for_each_handle(&kbd_handler, data, kbd_rate_helper);
+ *rep = data[1]; /* Copy currently used settings */
+
return 0;
}
* Many other routines do put_queue, but I think either
* they produce ASCII, or they produce some user-assigned
* string, and in both cases we might assume that it is
- * in utf-8 already. UTF-8 is defined for words of up to 31 bits,
- * but we need only 16 bits here
+ * in utf-8 already.
*/
-static void to_utf8(struct vc_data *vc, ushort c)
+static void to_utf8(struct vc_data *vc, uint c)
{
if (c < 0x80)
/* 0******* */
/* 110***** 10****** */
put_queue(vc, 0xc0 | (c >> 6));
put_queue(vc, 0x80 | (c & 0x3f));
- } else {
+ } else if (c < 0x10000) {
+ if (c >= 0xD800 && c < 0xE000)
+ return;
+ if (c == 0xFFFF)
+ return;
/* 1110**** 10****** 10****** */
put_queue(vc, 0xe0 | (c >> 12));
put_queue(vc, 0x80 | ((c >> 6) & 0x3f));
put_queue(vc, 0x80 | (c & 0x3f));
+ } else if (c < 0x110000) {
+ /* 11110*** 10****** 10****** 10****** */
+ put_queue(vc, 0xf0 | (c >> 18));
+ put_queue(vc, 0x80 | ((c >> 12) & 0x3f));
+ put_queue(vc, 0x80 | ((c >> 6) & 0x3f));
+ put_queue(vc, 0x80 | (c & 0x3f));
}
}
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, d);
- else if (d < 0x100)
- put_queue(vc, d);
+ else {
+ int c = conv_uni_to_8bit(d);
+ if (c != -1)
+ put_queue(vc, c);
+ }
return ch;
}
/*
* Special function handlers
*/
-static void fn_enter(struct vc_data *vc, struct pt_regs *regs)
+static void fn_enter(struct vc_data *vc)
{
if (diacr) {
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, diacr);
- else if (diacr < 0x100)
- put_queue(vc, diacr);
+ else {
+ int c = conv_uni_to_8bit(diacr);
+ if (c != -1)
+ put_queue(vc, c);
+ }
diacr = 0;
}
+
put_queue(vc, 13);
if (vc_kbd_mode(kbd, VC_CRLF))
put_queue(vc, 10);
}
-static void fn_caps_toggle(struct vc_data *vc, struct pt_regs *regs)
+static void fn_caps_toggle(struct vc_data *vc)
{
if (rep)
return;
+
chg_vc_kbd_led(kbd, VC_CAPSLOCK);
}
-static void fn_caps_on(struct vc_data *vc, struct pt_regs *regs)
+static void fn_caps_on(struct vc_data *vc)
{
if (rep)
return;
+
set_vc_kbd_led(kbd, VC_CAPSLOCK);
}
-static void fn_show_ptregs(struct vc_data *vc, struct pt_regs *regs)
+static void fn_show_ptregs(struct vc_data *vc)
{
+ struct pt_regs *regs = get_irq_regs();
+
if (regs)
show_regs(regs);
}
-static void fn_hold(struct vc_data *vc, struct pt_regs *regs)
+static void fn_hold(struct vc_data *vc)
{
struct tty_struct *tty = vc->vc_tty;
stop_tty(tty);
}
-static void fn_num(struct vc_data *vc, struct pt_regs *regs)
+static void fn_num(struct vc_data *vc)
{
- if (vc_kbd_mode(kbd,VC_APPLIC))
+ if (vc_kbd_mode(kbd, VC_APPLIC))
applkey(vc, 'P', 1);
else
- fn_bare_num(vc, regs);
+ fn_bare_num(vc);
}
/*
* Bind this to NumLock if you prefer that the NumLock key always
* changes the NumLock flag.
*/
-static void fn_bare_num(struct vc_data *vc, struct pt_regs *regs)
+static void fn_bare_num(struct vc_data *vc)
{
if (!rep)
chg_vc_kbd_led(kbd, VC_NUMLOCK);
}
-static void fn_lastcons(struct vc_data *vc, struct pt_regs *regs)
+static void fn_lastcons(struct vc_data *vc)
{
/* switch to the last used console, ChN */
set_console(last_console);
}
-static void fn_dec_console(struct vc_data *vc, struct pt_regs *regs)
+static void fn_dec_console(struct vc_data *vc)
{
int i, cur = fg_console;
set_console(i);
}
-static void fn_inc_console(struct vc_data *vc, struct pt_regs *regs)
+static void fn_inc_console(struct vc_data *vc)
{
int i, cur = fg_console;
set_console(i);
}
-static void fn_send_intr(struct vc_data *vc, struct pt_regs *regs)
+static void fn_send_intr(struct vc_data *vc)
{
struct tty_struct *tty = vc->vc_tty;
con_schedule_flip(tty);
}
-static void fn_scroll_forw(struct vc_data *vc, struct pt_regs *regs)
+static void fn_scroll_forw(struct vc_data *vc)
{
scrollfront(vc, 0);
}
-static void fn_scroll_back(struct vc_data *vc, struct pt_regs *regs)
+static void fn_scroll_back(struct vc_data *vc)
{
scrollback(vc, 0);
}
-static void fn_show_mem(struct vc_data *vc, struct pt_regs *regs)
+static void fn_show_mem(struct vc_data *vc)
{
show_mem();
}
-static void fn_show_state(struct vc_data *vc, struct pt_regs *regs)
+static void fn_show_state(struct vc_data *vc)
{
show_state();
}
-static void fn_boot_it(struct vc_data *vc, struct pt_regs *regs)
+static void fn_boot_it(struct vc_data *vc)
{
ctrl_alt_del();
}
-static void fn_compose(struct vc_data *vc, struct pt_regs *regs)
+static void fn_compose(struct vc_data *vc)
{
- dead_key_next = 1;
+ dead_key_next = true;
}
-static void fn_spawn_con(struct vc_data *vc, struct pt_regs *regs)
+static void fn_spawn_con(struct vc_data *vc)
{
- if (spawnpid)
- if (kill_proc(spawnpid, spawnsig, 1))
- spawnpid = 0;
+ spin_lock(&vt_spawn_con.lock);
+ if (vt_spawn_con.pid)
+ if (kill_pid(vt_spawn_con.pid, vt_spawn_con.sig, 1)) {
+ put_pid(vt_spawn_con.pid);
+ vt_spawn_con.pid = NULL;
+ }
+ spin_unlock(&vt_spawn_con.lock);
}
-static void fn_SAK(struct vc_data *vc, struct pt_regs *regs)
+static void fn_SAK(struct vc_data *vc)
{
- struct tty_struct *tty = vc->vc_tty;
-
- /*
- * SAK should also work in all raw modes and reset
- * them properly.
- */
- if (tty)
- do_SAK(tty);
- reset_vc(vc);
+ struct work_struct *SAK_work = &vc_cons[fg_console].SAK_work;
+ schedule_work(SAK_work);
}
-static void fn_null(struct vc_data *vc, struct pt_regs *regs)
+static void fn_null(struct vc_data *vc)
{
compute_shiftstate();
}
/*
* Special key handlers
*/
-static void k_ignore(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_ignore(struct vc_data *vc, unsigned char value, char up_flag)
{
}
-static void k_spec(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_spec(struct vc_data *vc, unsigned char value, char up_flag)
{
if (up_flag)
return;
kbd->kbdmode == VC_MEDIUMRAW) &&
value != KVAL(K_SAK))
return; /* SAK is allowed even in raw mode */
- fn_handler[value](vc, regs);
+ fn_handler[value](vc);
}
-static void k_lowercase(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_lowercase(struct vc_data *vc, unsigned char value, char up_flag)
{
- printk(KERN_ERR "keyboard.c: k_lowercase was called - impossible\n");
+ pr_err("k_lowercase was called - impossible\n");
}
-static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs)
+static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag)
{
if (up_flag)
return; /* no action, if this is a key release */
value = handle_diacr(vc, value);
if (dead_key_next) {
- dead_key_next = 0;
+ dead_key_next = false;
diacr = value;
return;
}
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, value);
- else if (value < 0x100)
- put_queue(vc, value);
+ else {
+ int c = conv_uni_to_8bit(value);
+ if (c != -1)
+ put_queue(vc, c);
+ }
}
/*
* dead keys modifying the same character. Very useful
* for Vietnamese.
*/
-static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs)
+static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag)
{
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)
+static void k_self(struct vc_data *vc, unsigned char value, char up_flag)
{
- k_unicode(vc, value, up_flag, regs);
+ k_unicode(vc, conv_8bit_to_uni(value), up_flag);
}
-static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag)
{
- k_deadunicode(vc, value, up_flag, regs);
+ k_deadunicode(vc, value, up_flag);
}
/*
* Obsolete - for backwards compatibility only
*/
-static void k_dead(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_dead(struct vc_data *vc, unsigned char value, char up_flag)
{
static const unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' };
- value = ret_diacr[value];
- k_deadunicode(vc, value, up_flag, regs);
+
+ k_deadunicode(vc, ret_diacr[value], up_flag);
}
-static void k_cons(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_cons(struct vc_data *vc, unsigned char value, char up_flag)
{
if (up_flag)
return;
+
set_console(value);
}
-static void k_fn(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_fn(struct vc_data *vc, unsigned char value, char up_flag)
{
- unsigned v;
-
if (up_flag)
return;
- v = value;
- if (v < ARRAY_SIZE(func_table)) {
+
+ if ((unsigned)value < ARRAY_SIZE(func_table)) {
if (func_table[value])
puts_queue(vc, func_table[value]);
} else
- printk(KERN_ERR "k_fn called with value=%d\n", value);
+ pr_err("k_fn called with value=%d\n", value);
}
-static void k_cur(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_cur(struct vc_data *vc, unsigned char value, char up_flag)
{
- static const char *cur_chars = "BDCA";
+ static const char cur_chars[] = "BDCA";
if (up_flag)
return;
+
applkey(vc, cur_chars[value], vc_kbd_mode(kbd, VC_CKMODE));
}
-static void k_pad(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_pad(struct vc_data *vc, unsigned char value, char up_flag)
{
static const char pad_chars[] = "0123456789+-*/\015,.?()#";
static const char app_map[] = "pqrstuvwxylSRQMnnmPQS";
return;
}
- if (!vc_kbd_led(kbd, VC_NUMLOCK))
+ if (!vc_kbd_led(kbd, VC_NUMLOCK)) {
+
switch (value) {
- case KVAL(K_PCOMMA):
- case KVAL(K_PDOT):
- k_fn(vc, KVAL(K_REMOVE), 0, regs);
- return;
- case KVAL(K_P0):
- k_fn(vc, KVAL(K_INSERT), 0, regs);
- return;
- case KVAL(K_P1):
- k_fn(vc, KVAL(K_SELECT), 0, regs);
- return;
- case KVAL(K_P2):
- k_cur(vc, KVAL(K_DOWN), 0, regs);
- return;
- case KVAL(K_P3):
- k_fn(vc, KVAL(K_PGDN), 0, regs);
- return;
- case KVAL(K_P4):
- k_cur(vc, KVAL(K_LEFT), 0, regs);
- return;
- case KVAL(K_P6):
- k_cur(vc, KVAL(K_RIGHT), 0, regs);
- return;
- case KVAL(K_P7):
- k_fn(vc, KVAL(K_FIND), 0, regs);
- return;
- case KVAL(K_P8):
- k_cur(vc, KVAL(K_UP), 0, regs);
- return;
- case KVAL(K_P9):
- k_fn(vc, KVAL(K_PGUP), 0, regs);
- return;
- case KVAL(K_P5):
- applkey(vc, 'G', vc_kbd_mode(kbd, VC_APPLIC));
- return;
+ case KVAL(K_PCOMMA):
+ case KVAL(K_PDOT):
+ k_fn(vc, KVAL(K_REMOVE), 0);
+ return;
+ case KVAL(K_P0):
+ k_fn(vc, KVAL(K_INSERT), 0);
+ return;
+ case KVAL(K_P1):
+ k_fn(vc, KVAL(K_SELECT), 0);
+ return;
+ case KVAL(K_P2):
+ k_cur(vc, KVAL(K_DOWN), 0);
+ return;
+ case KVAL(K_P3):
+ k_fn(vc, KVAL(K_PGDN), 0);
+ return;
+ case KVAL(K_P4):
+ k_cur(vc, KVAL(K_LEFT), 0);
+ return;
+ case KVAL(K_P6):
+ k_cur(vc, KVAL(K_RIGHT), 0);
+ return;
+ case KVAL(K_P7):
+ k_fn(vc, KVAL(K_FIND), 0);
+ return;
+ case KVAL(K_P8):
+ k_cur(vc, KVAL(K_UP), 0);
+ return;
+ case KVAL(K_P9):
+ k_fn(vc, KVAL(K_PGUP), 0);
+ return;
+ case KVAL(K_P5):
+ applkey(vc, 'G', vc_kbd_mode(kbd, VC_APPLIC));
+ return;
}
+ }
put_queue(vc, pad_chars[value]);
if (value == KVAL(K_PENTER) && vc_kbd_mode(kbd, VC_CRLF))
put_queue(vc, 10);
}
-static void k_shift(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_shift(struct vc_data *vc, unsigned char value, char up_flag)
{
int old_state = shift_state;
/* kludge */
if (up_flag && shift_state != old_state && npadch != -1) {
if (kbd->kbdmode == VC_UNICODE)
- to_utf8(vc, npadch & 0xffff);
+ to_utf8(vc, npadch);
else
put_queue(vc, npadch & 0xff);
npadch = -1;
}
}
-static void k_meta(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_meta(struct vc_data *vc, unsigned char value, char up_flag)
{
if (up_flag)
return;
put_queue(vc, value | 0x80);
}
-static void k_ascii(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_ascii(struct vc_data *vc, unsigned char value, char up_flag)
{
int base;
npadch = npadch * base + value;
}
-static void k_lock(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_lock(struct vc_data *vc, unsigned char value, char up_flag)
{
if (up_flag || rep)
return;
+
chg_vc_kbd_lock(kbd, value);
}
-static void k_slock(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_slock(struct vc_data *vc, unsigned char value, char up_flag)
{
- k_shift(vc, value, up_flag, regs);
+ k_shift(vc, value, up_flag);
if (up_flag || rep)
return;
+
chg_vc_kbd_slock(kbd, value);
/* try to make Alt, oops, AltGr and such work */
if (!key_maps[kbd->lockstate ^ kbd->slockstate]) {
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 void k_brlcommit(struct vc_data *vc, unsigned int pattern, char up_flag)
{
static unsigned long chords;
static unsigned committed;
if (!brl_nbchords)
- k_deadunicode(vc, BRL_UC_ROW | pattern, up_flag, regs);
+ k_deadunicode(vc, BRL_UC_ROW | pattern, up_flag);
else {
committed |= pattern;
chords++;
if (chords == brl_nbchords) {
- k_unicode(vc, BRL_UC_ROW | committed, up_flag, regs);
+ k_unicode(vc, BRL_UC_ROW | committed, up_flag);
chords = 0;
committed = 0;
}
}
}
-static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
+static void k_brl(struct vc_data *vc, unsigned char value, char up_flag)
{
- static unsigned pressed,committing;
+ 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");
+ pr_warning("keyboard mode must be unicode for braille patterns\n");
return;
}
if (!value) {
- k_unicode(vc, BRL_UC_ROW, up_flag, regs);
+ k_unicode(vc, BRL_UC_ROW, up_flag);
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 {
+ if (!up_flag) {
pressed |= 1 << (value - 1);
if (!brl_timeout)
committing = pressed;
+ } else if (brl_timeout) {
+ if (!committing ||
+ time_after(jiffies,
+ releasestart + msecs_to_jiffies(brl_timeout))) {
+ committing = pressed;
+ releasestart = jiffies;
+ }
+ pressed &= ~(1 << (value - 1));
+ if (!pressed && committing) {
+ k_brlcommit(vc, committing, 0);
+ committing = 0;
+ }
+ } else {
+ if (committing) {
+ k_brlcommit(vc, committing, 0);
+ committing = 0;
+ }
+ pressed &= ~(1 << (value - 1));
}
}
kbd->ledmode = LED_SHOW_IOCTL;
} else
kbd->ledmode = LED_SHOW_FLAGS;
+
set_leds();
}
return leds;
}
+static int kbd_update_leds_helper(struct input_handle *handle, void *data)
+{
+ unsigned char leds = *(unsigned char *)data;
+
+ if (test_bit(EV_LED, handle->dev->evbit)) {
+ input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+ input_inject_event(handle, EV_LED, LED_NUML, !!(leds & 0x02));
+ input_inject_event(handle, EV_LED, LED_CAPSL, !!(leds & 0x04));
+ input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
+ }
+
+ return 0;
+}
+
/*
- * This routine is the bottom half of the keyboard interrupt
- * routine, and runs with all interrupts enabled. It does
- * console changing, led setting and copy_to_cooked, which can
- * take a reasonably long time.
- *
- * Aside from timing (which isn't really that important for
- * keyboard interrupts as they happen often), using the software
- * interrupt routines for this thing allows us to easily mask
- * this when we don't want any of the above to happen.
- * This allows for easy and efficient race-condition prevention
- * for kbd_start => input_inject_event(dev, EV_LED, ...) => ...
+ * This is the tasklet that updates LED state on all keyboards
+ * attached to the box. The reason we use tasklet is that we
+ * need to handle the scenario when keyboard handler is not
+ * registered yet but we already getting updates form VT to
+ * update led state.
*/
-
static void kbd_bh(unsigned long dummy)
{
- struct list_head *node;
unsigned char leds = getleds();
if (leds != ledstate) {
- list_for_each(node, &kbd_handler.h_list) {
- struct input_handle *handle = to_handle_h(node);
- input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
- input_inject_event(handle, EV_LED, LED_NUML, !!(leds & 0x02));
- input_inject_event(handle, EV_LED, LED_CAPSL, !!(leds & 0x04));
- input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
- }
+ input_handler_for_each_handle(&kbd_handler, &leds,
+ kbd_update_leds_helper);
+ ledstate = leds;
}
-
- ledstate = leds;
}
DECLARE_TASKLET_DISABLED(keyboard_tasklet, kbd_bh, 0);
#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\
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))
+ (defined(CONFIG_ARM) && defined(CONFIG_KEYBOARD_ATKBD) && !defined(CONFIG_ARCH_RPC)) ||\
+ defined(CONFIG_AVR32)
#define HW_RAW(dev) (test_bit(EV_MSC, dev->evbit) && test_bit(MSC_RAW, dev->mscbit) &&\
((dev)->id.bustype == BUS_I8042) && ((dev)->id.vendor == 0x0001) && ((dev)->id.product == 0x0001))
284,285,309, 0,312, 91,327,328,329,331,333,335,336,337,338,339,
367,288,302,304,350, 89,334,326,267,126,268,269,125,347,348,349,
360,261,262,263,268,376,100,101,321,316,373,286,289,102,351,355,
- 103,104,105,275,287,279,306,106,274,107,294,364,358,363,362,361,
- 291,108,381,281,290,272,292,305,280, 99,112,257,258,359,113,114,
+ 103,104,105,275,287,279,258,106,274,107,294,364,358,363,362,361,
+ 291,108,381,281,290,272,292,305,280, 99,112,257,306,359,113,114,
264,117,271,374,379,265,266, 93, 94, 95, 85,259,375,260, 90,116,
377,109,111,277,278,282,283,295,296,297,299,300,301,293,303,307,
308,310,313,314,315,317,318,319,320,357,322,323,324,325,276,330,
332,340,365,342,343,344,345,346,356,270,341,368,369,370,371,372 };
-#ifdef CONFIG_MAC_EMUMOUSEBTN
-extern int mac_hid_mouse_emulate_buttons(int, int, int);
-#endif /* CONFIG_MAC_EMUMOUSEBTN */
-
#ifdef CONFIG_SPARC
-static int sparc_l1_a_state = 0;
+static int sparc_l1_a_state;
extern void sun_do_break(void);
#endif
int code;
switch (keycode) {
- case KEY_PAUSE:
- put_queue(vc, 0xe1);
- put_queue(vc, 0x1d | up_flag);
- put_queue(vc, 0x45 | up_flag);
- break;
- case KEY_HANGEUL:
- if (!up_flag)
- put_queue(vc, 0xf2);
- break;
+ case KEY_PAUSE:
+ put_queue(vc, 0xe1);
+ put_queue(vc, 0x1d | up_flag);
+ put_queue(vc, 0x45 | up_flag);
+ break;
- case KEY_HANJA:
- if (!up_flag)
- put_queue(vc, 0xf1);
- break;
+ case KEY_HANGEUL:
+ if (!up_flag)
+ put_queue(vc, 0xf2);
+ break;
- case KEY_SYSRQ:
- /*
- * Real AT keyboards (that's what we're trying
- * to emulate here emit 0xe0 0x2a 0xe0 0x37 when
- * pressing PrtSc/SysRq alone, but simply 0x54
- * when pressing Alt+PrtSc/SysRq.
- */
- if (sysrq_alt) {
- put_queue(vc, 0x54 | up_flag);
- } else {
- put_queue(vc, 0xe0);
- put_queue(vc, 0x2a | up_flag);
- put_queue(vc, 0xe0);
- put_queue(vc, 0x37 | up_flag);
- }
- break;
+ case KEY_HANJA:
+ if (!up_flag)
+ put_queue(vc, 0xf1);
+ break;
- default:
- if (keycode > 255)
- return -1;
+ case KEY_SYSRQ:
+ /*
+ * Real AT keyboards (that's what we're trying
+ * to emulate here emit 0xe0 0x2a 0xe0 0x37 when
+ * pressing PrtSc/SysRq alone, but simply 0x54
+ * when pressing Alt+PrtSc/SysRq.
+ */
+ if (test_bit(KEY_LEFTALT, key_down) ||
+ test_bit(KEY_RIGHTALT, key_down)) {
+ put_queue(vc, 0x54 | up_flag);
+ } else {
+ put_queue(vc, 0xe0);
+ put_queue(vc, 0x2a | up_flag);
+ put_queue(vc, 0xe0);
+ put_queue(vc, 0x37 | up_flag);
+ }
+ break;
- code = x86_keycodes[keycode];
- if (!code)
- return -1;
+ default:
+ if (keycode > 255)
+ return -1;
- if (code & 0x100)
- put_queue(vc, 0xe0);
- put_queue(vc, (code & 0x7f) | up_flag);
+ code = x86_keycodes[keycode];
+ if (!code)
+ return -1;
- break;
+ if (code & 0x100)
+ put_queue(vc, 0xe0);
+ put_queue(vc, (code & 0x7f) | up_flag);
+
+ break;
}
return 0;
#define HW_RAW(dev) 0
-#warning "Cannot generate rawmode keyboard for your architecture yet."
-
static int emulate_raw(struct vc_data *vc, unsigned int keycode, unsigned char up_flag)
{
if (keycode > 127)
static void kbd_rawcode(unsigned char data)
{
struct vc_data *vc = vc_cons[fg_console].d;
- kbd = kbd_table + fg_console;
+
+ kbd = kbd_table + vc->vc_num;
if (kbd->kbdmode == VC_RAW)
put_queue(vc, data);
}
-static void kbd_keycode(unsigned int keycode, int down,
- int hw_raw, struct pt_regs *regs)
+static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
{
struct vc_data *vc = vc_cons[fg_console].d;
unsigned short keysym, *key_map;
- unsigned char type, raw_mode;
+ unsigned char type;
+ bool raw_mode;
struct tty_struct *tty;
int shift_final;
+ struct keyboard_notifier_param param = { .vc = vc, .value = keycode, .down = down };
+ int rc;
tty = vc->vc_tty;
tty->driver_data = vc;
}
- kbd = kbd_table + fg_console;
+ kbd = kbd_table + vc->vc_num;
- if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT)
- sysrq_alt = down ? keycode : 0;
#ifdef CONFIG_SPARC
if (keycode == KEY_STOP)
sparc_l1_a_state = down;
rep = (down == 2);
-#ifdef CONFIG_MAC_EMUMOUSEBTN
- if (mac_hid_mouse_emulate_buttons(1, keycode, down))
- return;
-#endif /* CONFIG_MAC_EMUMOUSEBTN */
-
- if ((raw_mode = (kbd->kbdmode == VC_RAW)) && !hw_raw)
+ raw_mode = (kbd->kbdmode == VC_RAW);
+ if (raw_mode && !hw_raw)
if (emulate_raw(vc, keycode, !down << 7))
- if (keycode < BTN_MISC)
- printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode);
-
-#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
- if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
- if (!sysrq_down) {
- sysrq_down = down;
- sysrq_alt_use = sysrq_alt;
- }
- return;
- }
- if (sysrq_down && !down && keycode == sysrq_alt_use)
- sysrq_down = 0;
- if (sysrq_down && down && !rep) {
- handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
- return;
- }
-#endif
+ if (keycode < BTN_MISC && printk_ratelimit())
+ pr_warning("can't emulate rawmode for keycode %d\n",
+ keycode);
+
#ifdef CONFIG_SPARC
if (keycode == KEY_A && sparc_l1_a_state) {
- sparc_l1_a_state = 0;
+ sparc_l1_a_state = false;
sun_do_break();
}
#endif
put_queue(vc, (keycode >> 7) | 0x80);
put_queue(vc, keycode | 0x80);
}
- raw_mode = 1;
+ raw_mode = true;
}
if (down)
if (rep &&
(!vc_kbd_mode(kbd, VC_REPEAT) ||
- (tty && !L_ECHO(tty) && tty->driver->chars_in_buffer(tty)))) {
+ (tty && !L_ECHO(tty) && tty_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
return;
}
- shift_final = (shift_state | kbd->slockstate) ^ kbd->lockstate;
+ param.shift = shift_final = (shift_state | kbd->slockstate) ^ kbd->lockstate;
+ param.ledstate = kbd->ledflagstate;
key_map = key_maps[shift_final];
- if (!key_map) {
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_KEYCODE, ¶m);
+ if (rc == NOTIFY_STOP || !key_map) {
+ atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_UNBOUND_KEYCODE, ¶m);
compute_shiftstate();
kbd->slockstate = 0;
return;
}
- if (keycode > NR_KEYS)
- if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
- keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1);
- else
- return;
- else
+ if (keycode < NR_KEYS)
keysym = key_map[keycode];
+ else if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
+ keysym = U(K(KT_BRL, keycode - KEY_BRL_DOT1 + 1));
+ else
+ return;
type = KTYP(keysym);
if (type < 0xf0) {
- if (down && !raw_mode)
- to_utf8(vc, keysym);
+ param.value = keysym;
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_UNICODE, ¶m);
+ if (rc != NOTIFY_STOP)
+ if (down && !raw_mode)
+ to_utf8(vc, keysym);
return;
}
type -= 0xf0;
- if (raw_mode && type != KT_SPEC && type != KT_SHIFT)
- return;
-
if (type == KT_LETTER) {
type = KT_LATIN;
if (vc_kbd_led(kbd, VC_CAPSLOCK)) {
}
}
- (*k_handler[type])(vc, keysym & 0xff, !down, regs);
+ param.value = keysym;
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_KEYSYM, ¶m);
+ if (rc == NOTIFY_STOP)
+ return;
+
+ if (raw_mode && type != KT_SPEC && type != KT_SHIFT)
+ return;
+
+ (*k_handler[type])(vc, keysym & 0xff, !down);
+
+ param.ledstate = kbd->ledflagstate;
+ atomic_notifier_call_chain(&keyboard_notifier_list, KBD_POST_KEYSYM, ¶m);
if (type != KT_SLOCK)
kbd->slockstate = 0;
static void kbd_event(struct input_handle *handle, unsigned int event_type,
unsigned int event_code, int value)
{
+ /* We are called with interrupts disabled, just take the lock */
+ spin_lock(&kbd_event_lock);
+
if (event_type == EV_MSC && event_code == MSC_RAW && HW_RAW(handle->dev))
kbd_rawcode(value);
if (event_type == EV_KEY)
- kbd_keycode(event_code, value, HW_RAW(handle->dev), handle->dev->regs);
+ kbd_keycode(event_code, value, HW_RAW(handle->dev));
+
+ spin_unlock(&kbd_event_lock);
+
tasklet_schedule(&keyboard_tasklet);
do_poke_blanked_console = 1;
schedule_console_callback();
}
+static bool kbd_match(struct input_handler *handler, struct input_dev *dev)
+{
+ int i;
+
+ if (test_bit(EV_SND, dev->evbit))
+ return true;
+
+ if (test_bit(EV_KEY, dev->evbit))
+ for (i = KEY_RESERVED; i < BTN_MISC; i++)
+ if (test_bit(i, dev->keybit))
+ return true;
+
+ return false;
+}
+
/*
* 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,
- struct input_dev *dev,
- const struct input_device_id *id)
+static int kbd_connect(struct input_handler *handler, struct input_dev *dev,
+ const struct input_device_id *id)
{
struct input_handle *handle;
- int i;
-
- for (i = KEY_RESERVED; i < BTN_MISC; i++)
- if (test_bit(i, dev->keybit))
- break;
-
- if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
- return NULL;
+ int error;
- if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
- return NULL;
- memset(handle, 0, sizeof(struct input_handle));
+ handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+ if (!handle)
+ return -ENOMEM;
handle->dev = dev;
handle->handler = handler;
handle->name = "kbd";
- input_open_device(handle);
+ error = input_register_handle(handle);
+ if (error)
+ goto err_free_handle;
+
+ error = input_open_device(handle);
+ if (error)
+ goto err_unregister_handle;
+
+ return 0;
- return handle;
+ err_unregister_handle:
+ input_unregister_handle(handle);
+ err_free_handle:
+ kfree(handle);
+ return error;
}
static void kbd_disconnect(struct input_handle *handle)
{
input_close_device(handle);
+ input_unregister_handle(handle);
kfree(handle);
}
*/
static void kbd_start(struct input_handle *handle)
{
- unsigned char leds = ledstate;
-
tasklet_disable(&keyboard_tasklet);
- if (leds != 0xff) {
- input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
- input_inject_event(handle, EV_LED, LED_NUML, !!(leds & 0x02));
- input_inject_event(handle, EV_LED, LED_CAPSL, !!(leds & 0x04));
- input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
- }
+
+ if (ledstate != 0xff)
+ kbd_update_leds_helper(handle, &ledstate);
+
tasklet_enable(&keyboard_tasklet);
}
static const struct input_device_id kbd_ids[] = {
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
- .evbit = { BIT(EV_KEY) },
+ .evbit = { BIT_MASK(EV_KEY) },
},
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
- .evbit = { BIT(EV_SND) },
+ .evbit = { BIT_MASK(EV_SND) },
},
{ }, /* Terminating entry */
static struct input_handler kbd_handler = {
.event = kbd_event,
+ .match = kbd_match,
.connect = kbd_connect,
.disconnect = kbd_disconnect,
.start = kbd_start,
kbd_table[i].lockstate = KBD_DEFLOCK;
kbd_table[i].slockstate = 0;
kbd_table[i].modeflags = KBD_DEFMODE;
- kbd_table[i].kbdmode = VC_XLATE;
+ kbd_table[i].kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE;
}
error = input_register_handler(&kbd_handler);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff