#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>
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 };
struct kbd_struct kbd_table[MAX_NR_CONSOLES];
static struct kbd_struct *kbd = kbd_table;
-int spawnpid, spawnsig;
+struct vt_spawn_console vt_spawn_con = {
+ .lock = SPIN_LOCK_UNLOCKED,
+ .pid = NULL,
+ .sig = 0,
+};
/*
* Variables exported for vt.c
/*
* 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)
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))
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;
}
-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;
reset_vc(vc);
}
-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");
}
-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 */
* 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, 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, 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;
printk(KERN_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";
switch (value) {
case KVAL(K_PCOMMA):
case KVAL(K_PDOT):
- k_fn(vc, KVAL(K_REMOVE), 0, regs);
+ k_fn(vc, KVAL(K_REMOVE), 0);
return;
case KVAL(K_P0):
- k_fn(vc, KVAL(K_INSERT), 0, regs);
+ k_fn(vc, KVAL(K_INSERT), 0);
return;
case KVAL(K_P1):
- k_fn(vc, KVAL(K_SELECT), 0, regs);
+ k_fn(vc, KVAL(K_SELECT), 0);
return;
case KVAL(K_P2):
- k_cur(vc, KVAL(K_DOWN), 0, regs);
+ k_cur(vc, KVAL(K_DOWN), 0);
return;
case KVAL(K_P3):
- k_fn(vc, KVAL(K_PGDN), 0, regs);
+ k_fn(vc, KVAL(K_PGDN), 0);
return;
case KVAL(K_P4):
- k_cur(vc, KVAL(K_LEFT), 0, regs);
+ k_cur(vc, KVAL(K_LEFT), 0);
return;
case KVAL(K_P6):
- k_cur(vc, KVAL(K_RIGHT), 0, regs);
+ k_cur(vc, KVAL(K_RIGHT), 0);
return;
case KVAL(K_P7):
- k_fn(vc, KVAL(K_FIND), 0, regs);
+ k_fn(vc, KVAL(K_FIND), 0);
return;
case KVAL(K_P8):
- k_cur(vc, KVAL(K_UP), 0, regs);
+ k_cur(vc, KVAL(K_UP), 0);
return;
case KVAL(K_P9):
- k_fn(vc, KVAL(K_PGUP), 0, regs);
+ k_fn(vc, KVAL(K_PGUP), 0);
return;
case KVAL(K_P5):
applkey(vc, 'G', vc_kbd_mode(kbd, VC_APPLIC));
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;
}
}
-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);
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 long releasestart;
}
if (!value) {
- k_unicode(vc, BRL_UC_ROW, up_flag, regs);
+ k_unicode(vc, BRL_UC_ROW, up_flag);
return;
}
pressed &= ~(1 << (value - 1));
if (!pressed) {
if (committing) {
- k_brlcommit(vc, committing, 0, regs);
+ k_brlcommit(vc, committing, 0);
committing = 0;
}
}
} else {
if (committing) {
- k_brlcommit(vc, committing, 0, regs);
+ k_brlcommit(vc, committing, 0);
committing = 0;
}
pressed &= ~(1 << (value - 1));
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84,118, 86, 87, 88,115,120,119,121,112,123, 92,
- 284,285,309,298,312, 91,327,328,329,331,333,335,336,337,338,339,
+ 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,
static int emulate_raw(struct vc_data *vc, unsigned int keycode,
unsigned char up_flag)
{
- if (keycode > 255 || !x86_keycodes[keycode])
- return -1;
+ int code;
switch (keycode) {
case KEY_PAUSE:
put_queue(vc, 0xe1);
put_queue(vc, 0x1d | up_flag);
put_queue(vc, 0x45 | up_flag);
- return 0;
+ break;
+
case KEY_HANGEUL:
if (!up_flag)
put_queue(vc, 0xf2);
- return 0;
+ break;
+
case KEY_HANJA:
if (!up_flag)
put_queue(vc, 0xf1);
- return 0;
- }
+ break;
- if (keycode == KEY_SYSRQ && sysrq_alt) {
- put_queue(vc, 0x54 | up_flag);
- return 0;
- }
+ 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;
+
+ default:
+ if (keycode > 255)
+ return -1;
- if (x86_keycodes[keycode] & 0x100)
- put_queue(vc, 0xe0);
+ code = x86_keycodes[keycode];
+ if (!code)
+ return -1;
- put_queue(vc, (x86_keycodes[keycode] & 0x7f) | up_flag);
+ if (code & 0x100)
+ put_queue(vc, 0xe0);
+ put_queue(vc, (code & 0x7f) | up_flag);
- if (keycode == KEY_SYSRQ) {
- put_queue(vc, 0xe0);
- put_queue(vc, 0x37 | up_flag);
+ break;
}
return 0;
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;
if (sysrq_down && !down && keycode == sysrq_alt_use)
sysrq_down = 0;
if (sysrq_down && down && !rep) {
- handle_sysrq(kbd_sysrq_xlate[keycode], regs, tty);
+ handle_sysrq(kbd_sysrq_xlate[keycode], tty);
return;
}
#endif
}
}
- (*k_handler[type])(vc, keysym & 0xff, !down, regs);
+ (*k_handler[type])(vc, keysym & 0xff, !down);
if (type != KT_SLOCK)
kbd->slockstate = 0;
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));
tasklet_schedule(&keyboard_tasklet);
do_poke_blanked_console = 1;
schedule_console_callback();
*/
static struct input_handle *kbd_connect(struct input_handler *handler,
struct input_dev *dev,
- struct input_device_id *id)
+ const struct input_device_id *id)
{
struct input_handle *handle;
int i;
if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
return NULL;
- if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+ handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+ if (!handle)
return NULL;
- memset(handle, 0, sizeof(struct input_handle));
handle->dev = dev;
handle->handler = handler;
tasklet_enable(&keyboard_tasklet);
}
-static struct input_device_id kbd_ids[] = {
+static const struct input_device_id kbd_ids[] = {
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
.evbit = { BIT(EV_KEY) },
int __init kbd_init(void)
{
int i;
+ int error;
for (i = 0; i < MAX_NR_CONSOLES; i++) {
kbd_table[i].ledflagstate = KBD_DEFLEDS;
kbd_table[i].kbdmode = VC_XLATE;
}
- input_register_handler(&kbd_handler);
+ error = input_register_handler(&kbd_handler);
+ if (error)
+ return error;
tasklet_enable(&keyboard_tasklet);
tasklet_schedule(&keyboard_tasklet);