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-rw-r--r--drivers/char/keyboard.c135
1 files changed, 68 insertions, 67 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index e2011669c7bb..20b6c8b30248 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -32,6 +32,7 @@
#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>
@@ -77,7 +78,7 @@ void compute_shiftstate(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 };
@@ -88,7 +89,7 @@ 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 };
@@ -428,7 +429,7 @@ static unsigned int handle_diacr(struct vc_data *vc, unsigned int 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)
@@ -442,27 +443,28 @@ static void fn_enter(struct vc_data *vc, struct pt_regs *regs)
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;
@@ -480,12 +482,12 @@ static void fn_hold(struct vc_data *vc, struct pt_regs *regs)
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);
}
/*
@@ -494,19 +496,19 @@ static void fn_num(struct vc_data *vc, struct pt_regs *regs)
* 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;
@@ -523,7 +525,7 @@ static void fn_dec_console(struct vc_data *vc, struct pt_regs *regs)
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;
@@ -540,7 +542,7 @@ static void fn_inc_console(struct vc_data *vc, struct pt_regs *regs)
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;
@@ -550,37 +552,37 @@ static void fn_send_intr(struct vc_data *vc, struct pt_regs *regs)
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)
{
spin_lock(&vt_spawn_con.lock);
if (vt_spawn_con.pid)
@@ -591,7 +593,7 @@ static void fn_spawn_con(struct vc_data *vc, struct pt_regs *regs)
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;
@@ -604,7 +606,7 @@ static void fn_SAK(struct vc_data *vc, struct pt_regs *regs)
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();
}
@@ -612,11 +614,11 @@ static void fn_null(struct vc_data *vc, struct pt_regs *regs)
/*
* 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;
@@ -626,15 +628,15 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag, struct
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 */
@@ -658,41 +660,41 @@ static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag, stru
* 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;
@@ -706,7 +708,7 @@ static void k_fn(struct vc_data *vc, unsigned char value, char up_flag, struct p
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";
@@ -715,7 +717,7 @@ static void k_cur(struct vc_data *vc, unsigned char value, char up_flag, struct
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";
@@ -733,34 +735,34 @@ static void k_pad(struct vc_data *vc, unsigned char value, char up_flag, struct
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));
@@ -772,7 +774,7 @@ static void k_pad(struct vc_data *vc, unsigned char value, char up_flag, struct
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;
@@ -813,7 +815,7 @@ static void k_shift(struct vc_data *vc, unsigned char value, char up_flag, struc
}
}
-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;
@@ -825,7 +827,7 @@ static void k_meta(struct vc_data *vc, unsigned char value, char up_flag, struct
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;
@@ -847,16 +849,16 @@ static void k_ascii(struct vc_data *vc, unsigned char value, char up_flag, struc
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);
@@ -876,25 +878,25 @@ 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 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;
@@ -906,7 +908,7 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
}
if (!value) {
- k_unicode(vc, BRL_UC_ROW, up_flag, regs);
+ k_unicode(vc, BRL_UC_ROW, up_flag);
return;
}
@@ -923,13 +925,13 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
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));
@@ -1133,8 +1135,7 @@ static void kbd_rawcode(unsigned char data)
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;
@@ -1181,7 +1182,7 @@ static void kbd_keycode(unsigned int keycode, int down,
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
@@ -1267,7 +1268,7 @@ static void kbd_keycode(unsigned int keycode, int down,
}
}
- (*k_handler[type])(vc, keysym & 0xff, !down, regs);
+ (*k_handler[type])(vc, keysym & 0xff, !down);
if (type != KT_SLOCK)
kbd->slockstate = 0;
@@ -1279,7 +1280,7 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type,
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();
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.