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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 10:33:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 10:33:06 -0700
commita0fe3cc5d36a5f5b4f60abfe1a4b1caf4a5cce5a (patch)
tree99a735d89df5bf49cf4edda1ba53bd9175d0f163 /drivers
parentMerge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 (diff)
parentInput: psmouse - small formatting changes to better follow coding style (diff)
downloadlinux-dev-a0fe3cc5d36a5f5b4f60abfe1a4b1caf4a5cce5a.tar.xz
linux-dev-a0fe3cc5d36a5f5b4f60abfe1a4b1caf4a5cce5a.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits) Input: psmouse - small formatting changes to better follow coding style Input: synaptics - set dimensions as reported by firmware Input: elantech - relax signature checks Input: elantech - enforce common prefix on messages Input: wistron_btns - switch to using kmemdup() Input: usbtouchscreen - switch to using kmemdup() Input: do not force selecting i8042 on Moorestown Input: Documentation/sysrq.txt - update KEY_SYSRQ info Input: 88pm860x_onkey - remove invalid irq number assignment Input: i8042 - add a PNP entry to the aux device list Input: i8042 - add some extra PNP keyboard types Input: wm9712 - fix wm97xx_set_gpio() logic Input: add keypad driver for keys interfaced to TCA6416 Input: remove obsolete {corgi,spitz,tosa}kbd.c Input: kbtab - do not advertise unsupported events Input: kbtab - simplify kbtab_disconnect() Input: kbtab - fix incorrect size parameter in usb_buffer_free Input: acecad - don't advertise mouse events Input: acecad - fix some formatting issues Input: acecad - simplify usb_acecad_disconnect() ... Trivial conflict in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/keyboard.c325
-rw-r--r--drivers/char/sysrq.c243
-rw-r--r--drivers/input/keyboard/Kconfig18
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/lm8323.c6
-rw-r--r--drivers/input/keyboard/tca6416-keypad.c349
-rw-r--r--drivers/input/misc/88pm860x_onkey.c1
-rw-r--r--drivers/input/misc/Kconfig40
-rw-r--r--drivers/input/misc/Makefile4
-rw-r--r--drivers/input/misc/ad714x-i2c.c140
-rw-r--r--drivers/input/misc/ad714x-spi.c103
-rw-r--r--drivers/input/misc/ad714x.c1347
-rw-r--r--drivers/input/misc/ad714x.h26
-rw-r--r--drivers/input/misc/pcf8574_keypad.c227
-rw-r--r--drivers/input/misc/wistron_btns.c4
-rw-r--r--drivers/input/mouse/Kconfig2
-rw-r--r--drivers/input/mouse/elantech.c87
-rw-r--r--drivers/input/mouse/hgpk.c4
-rw-r--r--drivers/input/mouse/logips2pp.c98
-rw-r--r--drivers/input/mouse/psmouse-base.c72
-rw-r--r--drivers/input/mouse/synaptics.c53
-rw-r--r--drivers/input/mouse/synaptics.h6
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h14
-rw-r--r--drivers/input/tablet/acecad.c86
-rw-r--r--drivers/input/tablet/kbtab.c53
-rw-r--r--drivers/input/tablet/wacom.h36
-rw-r--r--drivers/input/tablet/wacom_sys.c316
-rw-r--r--drivers/input/tablet/wacom_wac.c1168
-rw-r--r--drivers/input/tablet/wacom_wac.h13
-rw-r--r--drivers/input/touchscreen/Kconfig12
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/hampshire.c205
-rw-r--r--drivers/input/touchscreen/tsc2007.c2
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c5
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c2
35 files changed, 3859 insertions, 1210 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index ada25bb8941e..54109dc9240c 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -24,6 +24,8 @@
* 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>
@@ -38,7 +40,6 @@
#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>
@@ -82,8 +83,7 @@ void compute_shiftstate(void);
typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
char up_flag);
static k_handler_fn K_HANDLERS;
-k_handler_fn *k_handler[16] = { K_HANDLERS };
-EXPORT_SYMBOL_GPL(k_handler);
+static k_handler_fn *k_handler[16] = { K_HANDLERS };
#define FN_HANDLERS\
fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
@@ -133,7 +133,7 @@ static struct input_handler kbd_handler;
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 */
@@ -147,22 +147,6 @@ static struct ledptr {
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;
-
/*
* Notifier list for console keyboard events
*/
@@ -361,8 +345,8 @@ static void to_utf8(struct vc_data *vc, uint c)
/* 110***** 10****** */
put_queue(vc, 0xc0 | (c >> 6));
put_queue(vc, 0x80 | (c & 0x3f));
- } else if (c < 0x10000) {
- if (c >= 0xD800 && c < 0xE000)
+ } else if (c < 0x10000) {
+ if (c >= 0xD800 && c < 0xE000)
return;
if (c == 0xFFFF)
return;
@@ -370,7 +354,7 @@ static void to_utf8(struct vc_data *vc, uint c)
put_queue(vc, 0xe0 | (c >> 12));
put_queue(vc, 0x80 | ((c >> 6) & 0x3f));
put_queue(vc, 0x80 | (c & 0x3f));
- } else if (c < 0x110000) {
+ } else if (c < 0x110000) {
/* 11110*** 10****** 10****** 10****** */
put_queue(vc, 0xf0 | (c >> 18));
put_queue(vc, 0x80 | ((c >> 12) & 0x3f));
@@ -469,6 +453,7 @@ static void fn_enter(struct vc_data *vc)
}
diacr = 0;
}
+
put_queue(vc, 13);
if (vc_kbd_mode(kbd, VC_CRLF))
put_queue(vc, 10);
@@ -478,6 +463,7 @@ static void fn_caps_toggle(struct vc_data *vc)
{
if (rep)
return;
+
chg_vc_kbd_led(kbd, VC_CAPSLOCK);
}
@@ -485,12 +471,14 @@ 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 = get_irq_regs();
+
if (regs)
show_regs(regs);
}
@@ -515,7 +503,7 @@ static void fn_hold(struct vc_data *vc)
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);
@@ -610,7 +598,7 @@ static void fn_boot_it(struct vc_data *vc)
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)
@@ -657,7 +645,7 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag)
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)
@@ -669,7 +657,7 @@ static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag)
value = handle_diacr(vc, value);
if (dead_key_next) {
- dead_key_next = 0;
+ dead_key_next = false;
diacr = value;
return;
}
@@ -691,6 +679,7 @@ 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);
}
@@ -710,29 +699,28 @@ static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag)
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);
+
+ k_deadunicode(vc, ret_diacr[value], up_flag);
}
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)
{
- 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)
@@ -741,6 +729,7 @@ static void k_cur(struct vc_data *vc, unsigned char value, char up_flag)
if (up_flag)
return;
+
applkey(vc, cur_chars[value], vc_kbd_mode(kbd, VC_CKMODE));
}
@@ -758,43 +747,45 @@ static void k_pad(struct vc_data *vc, unsigned char value, char up_flag)
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);
- 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;
+ 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))
@@ -880,6 +871,7 @@ 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);
}
@@ -888,6 +880,7 @@ static void k_slock(struct vc_data *vc, unsigned char value, char up_flag)
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]) {
@@ -925,12 +918,12 @@ static void k_brlcommit(struct vc_data *vc, unsigned int pattern, char up_flag)
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;
}
@@ -942,32 +935,28 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag)
if (value > 8)
return;
- if (up_flag) {
- if (brl_timeout) {
- if (!committing ||
- time_after(jiffies,
- releasestart + msecs_to_jiffies(brl_timeout))) {
- committing = pressed;
- releasestart = jiffies;
- }
- pressed &= ~(1 << (value - 1));
- if (!pressed) {
- if (committing) {
- k_brlcommit(vc, committing, 0);
- committing = 0;
- }
- }
- } else {
- if (committing) {
- k_brlcommit(vc, committing, 0);
- 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));
}
}
@@ -988,6 +977,7 @@ void setledstate(struct kbd_struct *kbd, unsigned int led)
kbd->ledmode = LED_SHOW_IOCTL;
} else
kbd->ledmode = LED_SHOW_FLAGS;
+
set_leds();
}
@@ -1075,7 +1065,7 @@ static const unsigned short x86_keycodes[256] =
332,340,365,342,343,344,345,346,356,270,341,368,369,370,371,372 };
#ifdef CONFIG_SPARC
-static int sparc_l1_a_state = 0;
+static int sparc_l1_a_state;
extern void sun_do_break(void);
#endif
@@ -1085,52 +1075,54 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
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;
@@ -1153,6 +1145,7 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode, unsigned char u
static void kbd_rawcode(unsigned char data)
{
struct vc_data *vc = vc_cons[fg_console].d;
+
kbd = kbd_table + vc->vc_num;
if (kbd->kbdmode == VC_RAW)
put_queue(vc, data);
@@ -1162,10 +1155,12 @@ 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;
@@ -1176,8 +1171,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
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;
@@ -1185,29 +1178,16 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
rep = (down == 2);
- 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_ratelimit())
- printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode);
+ pr_warning("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], tty);
- return;
- }
-#endif
#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
@@ -1229,7 +1209,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
put_queue(vc, (keycode >> 7) | 0x80);
put_queue(vc, keycode | 0x80);
}
- raw_mode = 1;
+ raw_mode = true;
}
if (down)
@@ -1252,29 +1232,32 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
param.ledstate = kbd->ledflagstate;
key_map = key_maps[shift_final];
- if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_KEYCODE, &param) == NOTIFY_STOP || !key_map) {
- atomic_notifier_call_chain(&keyboard_notifier_list, KBD_UNBOUND_KEYCODE, &param);
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_KEYCODE, &param);
+ if (rc == NOTIFY_STOP || !key_map) {
+ atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_UNBOUND_KEYCODE, &param);
compute_shiftstate();
kbd->slockstate = 0;
return;
}
- if (keycode >= NR_KEYS)
- if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
- keysym = U(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) {
param.value = keysym;
- if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_UNICODE, &param) == NOTIFY_STOP)
- return;
- if (down && !raw_mode)
- to_utf8(vc, keysym);
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_UNICODE, &param);
+ if (rc != NOTIFY_STOP)
+ if (down && !raw_mode)
+ to_utf8(vc, keysym);
return;
}
@@ -1288,9 +1271,11 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
keysym = key_map[keycode];
}
}
- param.value = keysym;
- if (atomic_notifier_call_chain(&keyboard_notifier_list, KBD_KEYSYM, &param) == NOTIFY_STOP)
+ param.value = keysym;
+ rc = atomic_notifier_call_chain(&keyboard_notifier_list,
+ KBD_KEYSYM, &param);
+ if (rc == NOTIFY_STOP)
return;
if (raw_mode && type != KT_SPEC && type != KT_SHIFT)
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index d4e8b213a462..5d15630a5830 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -1,7 +1,4 @@
-/* -*- linux-c -*-
- *
- * $Id: sysrq.c,v 1.15 1998/08/23 14:56:41 mj Exp $
- *
+/*
* Linux Magic System Request Key Hacks
*
* (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
@@ -10,8 +7,13 @@
* (c) 2000 Crutcher Dunnavant <crutcher+kernel@datastacks.com>
* overhauled to use key registration
* based upon discusions in irc://irc.openprojects.net/#kernelnewbies
+ *
+ * Copyright (c) 2010 Dmitry Torokhov
+ * Input handler conversion
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/mm.h>
@@ -39,33 +41,34 @@
#include <linux/hrtimer.h>
#include <linux/oom.h>
#include <linux/slab.h>
+#include <linux/input.h>
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
/* Whether we react on sysrq keys or just ignore them */
-int __read_mostly __sysrq_enabled = 1;
-
-static int __read_mostly sysrq_always_enabled;
+static int __read_mostly sysrq_enabled = 1;
+static bool __read_mostly sysrq_always_enabled;
-int sysrq_on(void)
+static bool sysrq_on(void)
{
- return __sysrq_enabled || sysrq_always_enabled;
+ return sysrq_enabled || sysrq_always_enabled;
}
/*
* A value of 1 means 'all', other nonzero values are an op mask:
*/
-static inline int sysrq_on_mask(int mask)
+static bool sysrq_on_mask(int mask)
{
- return sysrq_always_enabled || __sysrq_enabled == 1 ||
- (__sysrq_enabled & mask);
+ return sysrq_always_enabled ||
+ sysrq_enabled == 1 ||
+ (sysrq_enabled & mask);
}
static int __init sysrq_always_enabled_setup(char *str)
{
- sysrq_always_enabled = 1;
- printk(KERN_INFO "debug: sysrq always enabled.\n");
+ sysrq_always_enabled = true;
+ pr_info("sysrq always enabled.\n");
return 1;
}
@@ -76,6 +79,7 @@ __setup("sysrq_always_enabled", sysrq_always_enabled_setup);
static void sysrq_handle_loglevel(int key, struct tty_struct *tty)
{
int i;
+
i = key - '0';
console_loglevel = 7;
printk("Loglevel set to %d\n", i);
@@ -101,7 +105,7 @@ static struct sysrq_key_op sysrq_SAK_op = {
.enable_mask = SYSRQ_ENABLE_KEYBOARD,
};
#else
-#define sysrq_SAK_op (*(struct sysrq_key_op *)0)
+#define sysrq_SAK_op (*(struct sysrq_key_op *)NULL)
#endif
#ifdef CONFIG_VT
@@ -119,7 +123,7 @@ static struct sysrq_key_op sysrq_unraw_op = {
.enable_mask = SYSRQ_ENABLE_KEYBOARD,
};
#else
-#define sysrq_unraw_op (*(struct sysrq_key_op *)0)
+#define sysrq_unraw_op (*(struct sysrq_key_op *)NULL)
#endif /* CONFIG_VT */
static void sysrq_handle_crash(int key, struct tty_struct *tty)
@@ -195,7 +199,7 @@ static struct sysrq_key_op sysrq_showlocks_op = {
.action_msg = "Show Locks Held",
};
#else
-#define sysrq_showlocks_op (*(struct sysrq_key_op *)0)
+#define sysrq_showlocks_op (*(struct sysrq_key_op *)NULL)
#endif
#ifdef CONFIG_SMP
@@ -298,7 +302,7 @@ static struct sysrq_key_op sysrq_ftrace_dump_op = {
.enable_mask = SYSRQ_ENABLE_DUMP,
};
#else
-#define sysrq_ftrace_dump_op (*(struct sysrq_key_op *)0)
+#define sysrq_ftrace_dump_op (*(struct sysrq_key_op *)NULL)
#endif
static void sysrq_handle_showmem(int key, struct tty_struct *tty)
@@ -477,6 +481,7 @@ struct sysrq_key_op *__sysrq_get_key_op(int key)
i = sysrq_key_table_key2index(key);
if (i != -1)
op_p = sysrq_key_table[i];
+
return op_p;
}
@@ -488,11 +493,7 @@ static void __sysrq_put_key_op(int key, struct sysrq_key_op *op_p)
sysrq_key_table[i] = op_p;
}
-/*
- * This is the non-locking version of handle_sysrq. It must/can only be called
- * by sysrq key handlers, as they are inside of the lock
- */
-void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
+static void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
{
struct sysrq_key_op *op_p;
int orig_log_level;
@@ -544,10 +545,6 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
spin_unlock_irqrestore(&sysrq_key_table_lock, flags);
}
-/*
- * This function is called by the keyboard handler when SysRq is pressed
- * and any other keycode arrives.
- */
void handle_sysrq(int key, struct tty_struct *tty)
{
if (sysrq_on())
@@ -555,10 +552,177 @@ void handle_sysrq(int key, struct tty_struct *tty)
}
EXPORT_SYMBOL(handle_sysrq);
+#ifdef CONFIG_INPUT
+
+/* Simple translation table for the SysRq keys */
+static const unsigned char 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 bool sysrq_down;
+static int sysrq_alt_use;
+static int sysrq_alt;
+
+static bool sysrq_filter(struct input_handle *handle, unsigned int type,
+ unsigned int code, int value)
+{
+ if (type != EV_KEY)
+ goto out;
+
+ switch (code) {
+
+ case KEY_LEFTALT:
+ case KEY_RIGHTALT:
+ if (value)
+ sysrq_alt = code;
+ else if (sysrq_down && code == sysrq_alt_use)
+ sysrq_down = false;
+ break;
+
+ case KEY_SYSRQ:
+ if (value == 1 && sysrq_alt) {
+ sysrq_down = true;
+ sysrq_alt_use = sysrq_alt;
+ }
+ break;
+
+ default:
+ if (sysrq_down && value && value != 2)
+ __handle_sysrq(sysrq_xlate[code], NULL, 1);
+ break;
+ }
+
+out:
+ return sysrq_down;
+}
+
+static int sysrq_connect(struct input_handler *handler,
+ struct input_dev *dev,
+ const struct input_device_id *id)
+{
+ struct input_handle *handle;
+ int error;
+
+ sysrq_down = false;
+ sysrq_alt = 0;
+
+ handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+ if (!handle)
+ return -ENOMEM;
+
+ handle->dev = dev;
+ handle->handler = handler;
+ handle->name = "sysrq";
+
+ error = input_register_handle(handle);
+ if (error) {
+ pr_err("Failed to register input sysrq handler, error %d\n",
+ error);
+ goto err_free;
+ }
+
+ error = input_open_device(handle);
+ if (error) {
+ pr_err("Failed to open input device, error %d\n", error);
+ goto err_unregister;
+ }
+
+ return 0;
+
+ err_unregister:
+ input_unregister_handle(handle);
+ err_free:
+ kfree(handle);
+ return error;
+}
+
+static void sysrq_disconnect(struct input_handle *handle)
+{
+ input_close_device(handle);
+ input_unregister_handle(handle);
+ kfree(handle);
+}
+
+/*
+ * We are matching on KEY_LEFTALT insteard of KEY_SYSRQ because not all
+ * keyboards have SysRq ikey predefined and so user may add it to keymap
+ * later, but we expect all such keyboards to have left alt.
+ */
+static const struct input_device_id sysrq_ids[] = {
+ {
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
+ INPUT_DEVICE_ID_MATCH_KEYBIT,
+ .evbit = { BIT_MASK(EV_KEY) },
+ .keybit = { BIT_MASK(KEY_LEFTALT) },
+ },
+ { },
+};
+
+static struct input_handler sysrq_handler = {
+ .filter = sysrq_filter,
+ .connect = sysrq_connect,
+ .disconnect = sysrq_disconnect,
+ .name = "sysrq",
+ .id_table = sysrq_ids,
+};
+
+static bool sysrq_handler_registered;
+
+static inline void sysrq_register_handler(void)
+{
+ int error;
+
+ error = input_register_handler(&sysrq_handler);
+ if (error)
+ pr_err("Failed to register input handler, error %d", error);
+ else
+ sysrq_handler_registered = true;
+}
+
+static inline void sysrq_unregister_handler(void)
+{
+ if (sysrq_handler_registered) {
+ input_unregister_handler(&sysrq_handler);
+ sysrq_handler_registered = false;
+ }
+}
+
+#else
+
+static inline void sysrq_register_handler(void)
+{
+}
+
+static inline void sysrq_unregister_handler(void)
+{
+}
+
+#endif /* CONFIG_INPUT */
+
+int sysrq_toggle_support(int enable_mask)
+{
+ bool was_enabled = sysrq_on();
+
+ sysrq_enabled = enable_mask;
+
+ if (was_enabled != sysrq_on()) {
+ if (sysrq_on())
+ sysrq_register_handler();
+ else
+ sysrq_unregister_handler();
+ }
+
+ return 0;
+}
+
static int __sysrq_swap_key_ops(int key, struct sysrq_key_op *insert_op_p,
struct sysrq_key_op *remove_op_p)
{
-
int retval;
unsigned long flags;
@@ -599,6 +763,7 @@ static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
return -EFAULT;
__handle_sysrq(c, NULL, 0);
}
+
return count;
}
@@ -606,10 +771,28 @@ static const struct file_operations proc_sysrq_trigger_operations = {
.write = write_sysrq_trigger,
};
+static void sysrq_init_procfs(void)
+{
+ if (!proc_create("sysrq-trigger", S_IWUSR, NULL,
+ &proc_sysrq_trigger_operations))
+ pr_err("Failed to register proc interface\n");
+}
+
+#else
+
+static inline void sysrq_init_procfs(void)
+{
+}
+
+#endif /* CONFIG_PROC_FS */
+
static int __init sysrq_init(void)
{
- proc_create("sysrq-trigger", S_IWUSR, NULL, &proc_sysrq_trigger_operations);
+ sysrq_init_procfs();
+
+ if (sysrq_on())
+ sysrq_register_handler();
+
return 0;
}
module_init(sysrq_init);
-#endif
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index a8293388d019..d8fa5d724c57 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -73,7 +73,7 @@ config KEYBOARD_ATKBD
default y
select SERIO
select SERIO_LIBPS2
- select SERIO_I8042 if X86
+ select SERIO_I8042 if X86 && !X86_MRST
select SERIO_GSCPS2 if GSC
help
Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
@@ -179,6 +179,22 @@ config KEYBOARD_GPIO
To compile this driver as a module, choose M here: the
module will be called gpio_keys.
+config KEYBOARD_TCA6416
+ tristate "TCA6416 Keypad Support"
+ depends on I2C
+ help
+ This driver implements basic keypad functionality
+ for keys connected through TCA6416 IO expander
+
+ Say Y here if your device has keys connected to
+ TCA6416 IO expander. Your board-specific setup logic
+ must also provide pin-mask details(of which TCA6416 pins
+ are used for keypad).
+
+ If enabled the complete TCA6416 device will be managed through
+ this driver.
+
+
config KEYBOARD_MATRIX
tristate "GPIO driven matrix keypad support"
depends on GENERIC_GPIO
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 9a74127e4d17..4596d0c6f922 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o
obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o
obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o
obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o
+obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o
obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
obj-$(CONFIG_KEYBOARD_IMX) += imx_keypad.o
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 60ac4684f875..bc696931fed7 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -670,8 +670,6 @@ static int __devinit lm8323_probe(struct i2c_client *client,
goto fail1;
}
- i2c_set_clientdata(client, lm);
-
lm->client = client;
lm->idev = idev;
mutex_init(&lm->lock);
@@ -753,6 +751,8 @@ static int __devinit lm8323_probe(struct i2c_client *client,
goto fail4;
}
+ i2c_set_clientdata(client, lm);
+
device_init_wakeup(&client->dev, 1);
enable_irq_wake(client->irq);
@@ -778,6 +778,8 @@ static int __devexit lm8323_remove(struct i2c_client *client)
struct lm8323_chip *lm = i2c_get_clientdata(client);
int i;
+ i2c_set_clientdata(client, NULL);
+
disable_irq_wake(client->irq);
free_irq(client->irq, lm);
cancel_work_sync(&lm->work);
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
new file mode 100644
index 000000000000..493c93f25e2a
--- /dev/null
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -0,0 +1,349 @@
+/*
+ * Driver for keys on TCA6416 I2C IO expander
+ *
+ * Copyright (C) 2010 Texas Instruments
+ *
+ * Author : Sriramakrishnan.A.G. <srk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/tca6416_keypad.h>
+
+#define TCA6416_INPUT 0
+#define TCA6416_OUTPUT 1
+#define TCA6416_INVERT 2
+#define TCA6416_DIRECTION 3
+
+static const struct i2c_device_id tca6416_id[] = {
+ { "tca6416-keys", 16, },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tca6416_id);
+
+struct tca6416_drv_data {
+ struct input_dev *input;
+ struct tca6416_button data[0];
+};
+
+struct tca6416_keypad_chip {
+ uint16_t reg_output;
+ uint16_t reg_direction;
+ uint16_t reg_input;
+
+ struct i2c_client *client;
+ struct input_dev *input;
+ struct delayed_work dwork;
+ u16 pinmask;
+ int irqnum;
+ bool use_polling;
+ struct tca6416_button buttons[0];
+};
+
+static int tca6416_write_reg(struct tca6416_keypad_chip *chip, int reg, u16 val)
+{
+ int error;
+
+ error = i2c_smbus_write_word_data(chip->client, reg << 1, val);
+ if (error < 0) {
+ dev_err(&chip->client->dev,
+ "%s failed, reg: %d, val: %d, error: %d\n",
+ __func__, reg, val, error);
+ return error;
+ }
+
+ return 0;
+}
+
+static int tca6416_read_reg(struct tca6416_keypad_chip *chip, int reg, u16 *val)
+{
+ int retval;
+
+ retval = i2c_smbus_read_word_data(chip->client, reg << 1);
+ if (retval < 0) {
+ dev_err(&chip->client->dev, "%s failed, reg: %d, error: %d\n",
+ __func__, reg, retval);
+ return retval;
+ }
+
+ *val = (u16)retval;
+ return 0;
+}
+
+static void tca6416_keys_scan(struct tca6416_keypad_chip *chip)
+{
+ struct input_dev *input = chip->input;
+ u16 reg_val, val;
+ int error, i, pin_index;
+
+ error = tca6416_read_reg(chip, TCA6416_INPUT, &reg_val);
+ if (error)
+ return;
+
+ reg_val &= chip->pinmask;
+
+ /* Figure out which lines have changed */
+ val = reg_val ^ chip->reg_input;
+ chip->reg_input = reg_val;
+
+ for (i = 0, pin_index = 0; i < 16; i++) {
+ if (val & (1 << i)) {
+ struct tca6416_button *button = &chip->buttons[pin_index];
+ unsigned int type = button->type ?: EV_KEY;
+ int state = ((reg_val & (1 << i)) ? 1 : 0)
+ ^ button->active_low;
+
+ input_event(input, type, button->code, !!state);
+ input_sync(input);
+ }
+
+ if (chip->pinmask & (1 << i))
+ pin_index++;
+ }
+}
+
+/*
+ * This is threaded IRQ handler and this can (and will) sleep.
+ */
+static irqreturn_t tca6416_keys_isr(int irq, void *dev_id)
+{
+ struct tca6416_keypad_chip *chip = dev_id;
+
+ tca6416_keys_scan(chip);
+
+ return IRQ_HANDLED;
+}
+
+static void tca6416_keys_work_func(struct work_struct *work)
+{
+ struct tca6416_keypad_chip *chip =
+ container_of(work, struct tca6416_keypad_chip, dwork.work);
+
+ tca6416_keys_scan(chip);
+ schedule_delayed_work(&chip->dwork, msecs_to_jiffies(100));
+}
+
+static int tca6416_keys_open(struct input_dev *dev)
+{
+ struct tca6416_keypad_chip *chip = input_get_drvdata(dev);
+
+ /* Get initial device state in case it has switches */
+ tca6416_keys_scan(chip);
+
+ if (chip->use_polling)
+ schedule_delayed_work(&chip->dwork, msecs_to_jiffies(100));
+ else
+ enable_irq(chip->irqnum);
+
+ return 0;
+}
+
+static void tca6416_keys_close(struct input_dev *dev)
+{
+ struct tca6416_keypad_chip *chip = input_get_drvdata(dev);
+
+ if (chip->use_polling)
+ cancel_delayed_work_sync(&chip->dwork);
+ else
+ disable_irq(chip->irqnum);
+}
+
+static int __devinit tca6416_setup_registers(struct tca6416_keypad_chip *chip)
+{
+ int error;
+
+ error = tca6416_read_reg(chip, TCA6416_OUTPUT, &chip->reg_output);
+ if (error)
+ return error;
+
+ error = tca6416_read_reg(chip, TCA6416_DIRECTION, &chip->reg_direction);
+ if (error)
+ return error;
+
+ /* ensure that keypad pins are set to input */
+ error = tca6416_write_reg(chip, TCA6416_DIRECTION,
+ chip->reg_direction | chip->pinmask);
+ if (error)
+ return error;
+
+ error = tca6416_read_reg(chip, TCA6416_DIRECTION, &chip->reg_direction);
+ if (error)
+ return error;
+
+ error = tca6416_read_reg(chip, TCA6416_INPUT, &chip->reg_input);
+ if (error)
+ return error;
+
+ chip->reg_input &= chip->pinmask;
+
+ return 0;
+}
+
+static int __devinit tca6416_keypad_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct tca6416_keys_platform_data *pdata;
+ struct tca6416_keypad_chip *chip;
+ struct input_dev *input;
+ int error;
+ int i;
+
+ /* Check functionality */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) {
+ dev_err(&client->dev, "%s adapter not supported\n",
+ dev_driver_string(&client->adapter->dev));
+ return -ENODEV;
+ }
+
+ pdata = client->dev.platform_data;
+ if (!pdata) {
+ dev_dbg(&client->dev, "no platform data\n");
+ return -EINVAL;
+ }
+
+ chip = kzalloc(sizeof(struct tca6416_keypad_chip) +
+ pdata->nbuttons * sizeof(struct tca6416_button),
+ GFP_KERNEL);
+ input = input_allocate_device();
+ if (!chip || !input) {
+ error = -ENOMEM;
+ goto fail1;
+ }
+
+ chip->client = client;
+ chip->input = input;
+ chip->pinmask = pdata->pinmask;
+ chip->use_polling = pdata->use_polling;
+
+ INIT_DELAYED_WORK(&chip->dwork, tca6416_keys_work_func);
+
+ input->phys = "tca6416-keys/input0";
+ input->name = client->name;
+ input->dev.parent = &client->dev;
+
+ input->open = tca6416_keys_open;
+ input->close = tca6416_keys_close;
+
+ input->id.bustype = BUS_HOST;
+ input->id.vendor = 0x0001;
+ input->id.product = 0x0001;
+ input->id.version = 0x0100;
+
+ /* Enable auto repeat feature of Linux input subsystem */
+ if (pdata->rep)
+ __set_bit(EV_REP, input->evbit);
+
+ for (i = 0; i < pdata->nbuttons; i++) {
+ unsigned int type;
+
+ chip->buttons[i] = pdata->buttons[i];
+ type = (pdata->buttons[i].type) ?: EV_KEY;
+ input_set_capability(input, type, pdata->buttons[i].code);
+ }
+
+ input_set_drvdata(input, chip);
+
+ /*
+ * Initialize cached registers from their original values.
+ * we can't share this chip with another i2c master.
+ */
+ error = tca6416_setup_registers(chip);
+ if (error)
+ goto fail1;
+
+ if (!chip->use_polling) {
+ if (pdata->irq_is_gpio)
+ chip->irqnum = gpio_to_irq(client->irq);
+ else
+ chip->irqnum = client->irq;
+
+ error = request_threaded_irq(chip->irqnum, NULL,
+ tca6416_keys_isr,
+ IRQF_TRIGGER_FALLING,
+ "tca6416-keypad", chip);
+ if (error) {
+ dev_dbg(&client->dev,
+ "Unable to claim irq %d; error %d\n",
+ chip->irqnum, error);
+ goto fail1;
+ }
+ disable_irq(chip->irqnum);
+ }
+
+ error = input_register_device(input);
+ if (error) {
+ dev_dbg(&client->dev,
+ "Unable to register input device, error: %d\n", error);
+ goto fail2;
+ }
+
+ i2c_set_clientdata(client, chip);
+
+ return 0;
+
+fail2:
+ if (!chip->use_polling) {
+ free_irq(chip->irqnum, chip);
+ enable_irq(chip->irqnum);
+ }
+fail1:
+ input_free_device(input);
+ kfree(chip);
+ return error;
+}
+
+static int __devexit tca6416_keypad_remove(struct i2c_client *client)
+{
+ struct tca6416_keypad_chip *chip = i2c_get_clientdata(client);
+
+ if (!chip->use_polling) {
+ free_irq(chip->irqnum, chip);
+ enable_irq(chip->irqnum);
+ }
+
+ input_unregister_device(chip->input);
+ kfree(chip);
+
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+
+static struct i2c_driver tca6416_keypad_driver = {
+ .driver = {
+ .name = "tca6416-keypad",
+ },
+ .probe = tca6416_keypad_probe,
+ .remove = __devexit_p(tca6416_keypad_remove),
+ .id_table = tca6416_id,
+};
+
+static int __init tca6416_keypad_init(void)
+{
+ return i2c_add_driver(&tca6416_keypad_driver);
+}
+
+subsys_initcall(tca6416_keypad_init);
+
+static void __exit tca6416_keypad_exit(void)
+{
+ i2c_del_driver(&tca6416_keypad_driver);
+}
+module_exit(tca6416_keypad_exit);
+
+MODULE_AUTHOR("Sriramakrishnan <srk@ti.com>");
+MODULE_DESCRIPTION("Keypad driver over tca6146 IO expander");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
index 40dabd8487b5..4cc82826ea6b 100644
--- a/drivers/input/misc/88pm860x_onkey.c
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -87,7 +87,6 @@ static int __devinit pm860x_onkey_probe(struct platform_device *pdev)
info->idev->phys = "88pm860x_on/input0";
info->idev->id.bustype = BUS_I2C;
info->idev->dev.parent = &pdev->dev;
- info->irq = irq;
info->idev->evbit[0] = BIT_MASK(EV_KEY);
info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23140a3bb8e0..48cdabec372a 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -22,6 +22,36 @@ config INPUT_88PM860X_ONKEY
To compile this driver as a module, choose M here: the module
will be called 88pm860x_onkey.
+config INPUT_AD714X
+ tristate "Analog Devices AD714x Capacitance Touch Sensor"
+ help
+ Say Y here if you want to support an AD7142/3/7/8/7A touch sensor.
+
+ You should select a bus connection too.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x.
+
+config INPUT_AD714X_I2C
+ tristate "support I2C bus connection"
+ depends on INPUT_AD714X && I2C
+ default y
+ help
+ Say Y here if you have AD7142/AD7147 hooked to an I2C bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x-i2c.
+
+config INPUT_AD714X_SPI
+ tristate "support SPI bus connection"
+ depends on INPUT_AD714X && SPI
+ default y
+ help
+ Say Y here if you have AD7142/AD7147 hooked to a SPI bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad714x-spi.
+
config INPUT_PCSPKR
tristate "PC Speaker support"
depends on PCSPKR_PLATFORM
@@ -277,6 +307,16 @@ config INPUT_PCF50633_PMU
Say Y to include support for delivering PMU events via input
layer on NXP PCF50633.
+config INPUT_PCF8574
+ tristate "PCF8574 Keypad input device"
+ depends on I2C && EXPERIMENTAL
+ help
+ Say Y here if you want to support a keypad connetced via I2C
+ with a PCF8574.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pcf8574_keypad.
+
config INPUT_GPIO_ROTARY_ENCODER
tristate "Rotary encoders connected to GPIO pins"
depends on GPIOLIB && GENERIC_GPIO
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 7e95a5d474dc..f9f577031e06 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -5,6 +5,9 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_INPUT_88PM860X_ONKEY) += 88pm860x_onkey.o
+obj-$(CONFIG_INPUT_AD714X) += ad714x.o
+obj-$(CONFIG_INPUT_AD714X_I2C) += ad714x-i2c.o
+obj-$(CONFIG_INPUT_AD714X_SPI) += ad714x-spi.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
@@ -19,6 +22,7 @@ obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
+obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
new file mode 100644
index 000000000000..e9adbe49f6a4
--- /dev/null
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -0,0 +1,140 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (I2C bus)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include "ad714x.h"
+
+#ifdef CONFIG_PM
+static int ad714x_i2c_suspend(struct i2c_client *client, pm_message_t message)
+{
+ return ad714x_disable(i2c_get_clientdata(client));
+}
+
+static int ad714x_i2c_resume(struct i2c_client *client)
+{
+ return ad714x_enable(i2c_get_clientdata(client));
+}
+#else
+# define ad714x_i2c_suspend NULL
+# define ad714x_i2c_resume NULL
+#endif
+
+static int ad714x_i2c_write(struct device *dev, unsigned short reg,
+ unsigned short data)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret = 0;
+ u8 *_reg = (u8 *)&reg;
+ u8 *_data = (u8 *)&data;
+
+ u8 tx[4] = {
+ _reg[1],
+ _reg[0],
+ _data[1],
+ _data[0]
+ };
+
+ ret = i2c_master_send(client, tx, 4);
+ if (ret < 0)
+ dev_err(&client->dev, "I2C write error\n");
+
+ return ret;
+}
+
+static int ad714x_i2c_read(struct device *dev, unsigned short reg,
+ unsigned short *data)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret = 0;
+ u8 *_reg = (u8 *)&reg;
+ u8 *_data = (u8 *)data;
+
+ u8 tx[2] = {
+ _reg[1],
+ _reg[0]
+ };
+ u8 rx[2];
+
+ ret = i2c_master_send(client, tx, 2);
+ if (ret >= 0)
+ ret = i2c_master_recv(client, rx, 2);
+
+ if (unlikely(ret < 0)) {
+ dev_err(&client->dev, "I2C read error\n");
+ } else {
+ _data[0] = rx[1];
+ _data[1] = rx[0];
+ }
+
+ return ret;
+}
+
+static int __devinit ad714x_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ad714x_chip *chip;
+
+ chip = ad714x_probe(&client->dev, BUS_I2C, client->irq,
+ ad714x_i2c_read, ad714x_i2c_write);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ i2c_set_clientdata(client, chip);
+
+ return 0;
+}
+
+static int __devexit ad714x_i2c_remove(struct i2c_client *client)
+{
+ struct ad714x_chip *chip = i2c_get_clientdata(client);
+
+ ad714x_remove(chip);
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+static const struct i2c_device_id ad714x_id[] = {
+ { "ad7142_captouch", 0 },
+ { "ad7143_captouch", 0 },
+ { "ad7147_captouch", 0 },
+ { "ad7147a_captouch", 0 },
+ { "ad7148_captouch", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ad714x_id);
+
+static struct i2c_driver ad714x_i2c_driver = {
+ .driver = {
+ .name = "ad714x_captouch",
+ },
+ .probe = ad714x_i2c_probe,
+ .remove = __devexit_p(ad714x_i2c_remove),
+ .suspend = ad714x_i2c_suspend,
+ .resume = ad714x_i2c_resume,
+ .id_table = ad714x_id,
+};
+
+static __init int ad714x_i2c_init(void)
+{
+ return i2c_add_driver(&ad714x_i2c_driver);
+}
+module_init(ad714x_i2c_init);
+
+static __exit void ad714x_i2c_exit(void)
+{
+ i2c_del_driver(&ad714x_i2c_driver);
+}
+module_exit(ad714x_i2c_exit);
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor I2C Bus Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c
new file mode 100644
index 000000000000..7f8dedfd1bfe
--- /dev/null
+++ b/drivers/input/misc/ad714x-spi.c
@@ -0,0 +1,103 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (SPI bus)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+#include "ad714x.h"
+
+#define AD714x_SPI_CMD_PREFIX 0xE000 /* bits 15:11 */
+#define AD714x_SPI_READ BIT(10)
+
+#ifdef CONFIG_PM
+static int ad714x_spi_suspend(struct spi_device *spi, pm_message_t message)
+{
+ return ad714x_disable(spi_get_drvdata(spi));
+}
+
+static int ad714x_spi_resume(struct spi_device *spi)
+{
+ return ad714x_enable(spi_get_drvdata(spi));
+}
+#else
+# define ad714x_spi_suspend NULL
+# define ad714x_spi_resume NULL
+#endif
+
+static int ad714x_spi_read(struct device *dev, unsigned short reg,
+ unsigned short *data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned short tx = AD714x_SPI_CMD_PREFIX | AD714x_SPI_READ | reg;
+
+ return spi_write_then_read(spi, (u8 *)&tx, 2, (u8 *)data, 2);
+}
+
+static int ad714x_spi_write(struct device *dev, unsigned short reg,
+ unsigned short data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned short tx[2] = {
+ AD714x_SPI_CMD_PREFIX | reg,
+ data
+ };
+
+ return spi_write(spi, (u8 *)tx, 4);
+}
+
+static int __devinit ad714x_spi_probe(struct spi_device *spi)
+{
+ struct ad714x_chip *chip;
+
+ chip = ad714x_probe(&spi->dev, BUS_SPI, spi->irq,
+ ad714x_spi_read, ad714x_spi_write);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ spi_set_drvdata(spi, chip);
+
+ return 0;
+}
+
+static int __devexit ad714x_spi_remove(struct spi_device *spi)
+{
+ struct ad714x_chip *chip = spi_get_drvdata(spi);
+
+ ad714x_remove(chip);
+ spi_set_drvdata(spi, NULL);
+
+ return 0;
+}
+
+static struct spi_driver ad714x_spi_driver = {
+ .driver = {
+ .name = "ad714x_captouch",
+ .owner = THIS_MODULE,
+ },
+ .probe = ad714x_spi_probe,
+ .remove = __devexit_p(ad714x_spi_remove),
+ .suspend = ad714x_spi_suspend,
+ .resume = ad714x_spi_resume,
+};
+
+static __init int ad714x_spi_init(void)
+{
+ return spi_register_driver(&ad714x_spi_driver);
+}
+module_init(ad714x_spi_init);
+
+static __exit void ad714x_spi_exit(void)
+{
+ spi_unregister_driver(&ad714x_spi_driver);
+}
+module_exit(ad714x_spi_exit);
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor SPI Bus Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c
new file mode 100644
index 000000000000..0fe27baf5e72
--- /dev/null
+++ b/drivers/input/misc/ad714x.c
@@ -0,0 +1,1347 @@
+/*
+ * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/input/ad714x.h>
+#include "ad714x.h"
+
+#define AD714X_PWR_CTRL 0x0
+#define AD714X_STG_CAL_EN_REG 0x1
+#define AD714X_AMB_COMP_CTRL0_REG 0x2
+#define AD714X_PARTID_REG 0x17
+#define AD7142_PARTID 0xE620
+#define AD7143_PARTID 0xE630
+#define AD7147_PARTID 0x1470
+#define AD7148_PARTID 0x1480
+#define AD714X_STAGECFG_REG 0x80
+#define AD714X_SYSCFG_REG 0x0
+
+#define STG_LOW_INT_EN_REG 0x5
+#define STG_HIGH_INT_EN_REG 0x6
+#define STG_COM_INT_EN_REG 0x7
+#define STG_LOW_INT_STA_REG 0x8
+#define STG_HIGH_INT_STA_REG 0x9
+#define STG_COM_INT_STA_REG 0xA
+
+#define CDC_RESULT_S0 0xB
+#define CDC_RESULT_S1 0xC
+#define CDC_RESULT_S2 0xD
+#define CDC_RESULT_S3 0xE
+#define CDC_RESULT_S4 0xF
+#define CDC_RESULT_S5 0x10
+#define CDC_RESULT_S6 0x11
+#define CDC_RESULT_S7 0x12
+#define CDC_RESULT_S8 0x13
+#define CDC_RESULT_S9 0x14
+#define CDC_RESULT_S10 0x15
+#define CDC_RESULT_S11 0x16
+
+#define STAGE0_AMBIENT 0xF1
+#define STAGE1_AMBIENT 0x115
+#define STAGE2_AMBIENT 0x139
+#define STAGE3_AMBIENT 0x15D
+#define STAGE4_AMBIENT 0x181
+#define STAGE5_AMBIENT 0x1A5
+#define STAGE6_AMBIENT 0x1C9
+#define STAGE7_AMBIENT 0x1ED
+#define STAGE8_AMBIENT 0x211
+#define STAGE9_AMBIENT 0x234
+#define STAGE10_AMBIENT 0x259
+#define STAGE11_AMBIENT 0x27D
+
+#define PER_STAGE_REG_NUM 36
+#define STAGE_NUM 12
+#define STAGE_CFGREG_NUM 8
+#define SYS_CFGREG_NUM 8
+
+/*
+ * driver information which will be used to maintain the software flow
+ */
+enum ad714x_device_state { IDLE, JITTER, ACTIVE, SPACE };
+
+struct ad714x_slider_drv {
+ int highest_stage;
+ int abs_pos;
+ int flt_pos;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_wheel_drv {
+ int abs_pos;
+ int flt_pos;
+ int pre_mean_value;
+ int pre_highest_stage;
+ int pre_mean_value_no_offset;
+ int mean_value;
+ int mean_value_no_offset;
+ int pos_offset;
+ int pos_ratio;
+ int highest_stage;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_touchpad_drv {
+ int x_highest_stage;
+ int x_flt_pos;
+ int x_abs_pos;
+ int y_highest_stage;
+ int y_flt_pos;
+ int y_abs_pos;
+ int left_ep;
+ int left_ep_val;
+ int right_ep;
+ int right_ep_val;
+ int top_ep;
+ int top_ep_val;
+ int bottom_ep;
+ int bottom_ep_val;
+ enum ad714x_device_state state;
+ struct input_dev *input;
+};
+
+struct ad714x_button_drv {
+ enum ad714x_device_state state;
+ /*
+ * Unlike slider/wheel/touchpad, all buttons point to
+ * same input_dev instance
+ */
+ struct input_dev *input;
+};
+
+struct ad714x_driver_data {
+ struct ad714x_slider_drv *slider;
+ struct ad714x_wheel_drv *wheel;
+ struct ad714x_touchpad_drv *touchpad;
+ struct ad714x_button_drv *button;
+};
+
+/*
+ * information to integrate all things which will be private data
+ * of spi/i2c device
+ */
+struct ad714x_chip {
+ unsigned short h_state;
+ unsigned short l_state;
+ unsigned short c_state;
+ unsigned short adc_reg[STAGE_NUM];
+ unsigned short amb_reg[STAGE_NUM];
+ unsigned short sensor_val[STAGE_NUM];
+
+ struct ad714x_platform_data *hw;
+ struct ad714x_driver_data *sw;
+
+ int irq;
+ struct device *dev;
+ ad714x_read_t read;
+ ad714x_write_t write;
+
+ struct mutex mutex;
+
+ unsigned product;
+ unsigned version;
+};
+
+static void ad714x_use_com_int(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ unsigned short data;
+ unsigned short mask;
+
+ mask = ((1 << (end_stage + 1)) - 1) - (1 << start_stage);
+
+ ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+ data |= 1 << start_stage;
+ ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+
+ ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+ data &= ~mask;
+ ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+}
+
+static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ unsigned short data;
+ unsigned short mask;
+
+ mask = ((1 << (end_stage + 1)) - 1) - (1 << start_stage);
+
+ ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+ data &= ~(1 << start_stage);
+ ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+
+ ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+ data |= mask;
+ ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+}
+
+static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage)
+{
+ int max_res = 0;
+ int max_idx = 0;
+ int i;
+
+ for (i = start_stage; i <= end_stage; i++) {
+ if (ad714x->sensor_val[i] > max_res) {
+ max_res = ad714x->sensor_val[i];
+ max_idx = i;
+ }
+ }
+
+ return max_idx;
+}
+
+static int ad714x_cal_abs_pos(struct ad714x_chip *ad714x,
+ int start_stage, int end_stage,
+ int highest_stage, int max_coord)
+{
+ int a_param, b_param;
+
+ if (highest_stage == start_stage) {
+ a_param = ad714x->sensor_val[start_stage + 1];
+ b_param = ad714x->sensor_val[start_stage] +
+ ad714x->sensor_val[start_stage + 1];
+ } else if (highest_stage == end_stage) {
+ a_param = ad714x->sensor_val[end_stage] *
+ (end_stage - start_stage) +
+ ad714x->sensor_val[end_stage - 1] *
+ (end_stage - start_stage - 1);
+ b_param = ad714x->sensor_val[end_stage] +
+ ad714x->sensor_val[end_stage - 1];
+ } else {
+ a_param = ad714x->sensor_val[highest_stage] *
+ (highest_stage - start_stage) +
+ ad714x->sensor_val[highest_stage - 1] *
+ (highest_stage - start_stage - 1) +
+ ad714x->sensor_val[highest_stage + 1] *
+ (highest_stage - start_stage + 1);
+ b_param = ad714x->sensor_val[highest_stage] +
+ ad714x->sensor_val[highest_stage - 1] +
+ ad714x->sensor_val[highest_stage + 1];
+ }
+
+ return (max_coord / (end_stage - start_stage)) * a_param / b_param;
+}
+
+/*
+ * One button can connect to multi positive and negative of CDCs
+ * Multi-buttons can connect to same positive/negative of one CDC
+ */
+static void ad714x_button_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_button_plat *hw = &ad714x->hw->button[idx];
+ struct ad714x_button_drv *sw = &ad714x->sw->button[idx];
+
+ switch (sw->state) {
+ case IDLE:
+ if (((ad714x->h_state & hw->h_mask) == hw->h_mask) &&
+ ((ad714x->l_state & hw->l_mask) == hw->l_mask)) {
+ dev_dbg(ad714x->dev, "button %d touched\n", idx);
+ input_report_key(sw->input, hw->keycode, 1);
+ input_sync(sw->input);
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (((ad714x->h_state & hw->h_mask) != hw->h_mask) ||
+ ((ad714x->l_state & hw->l_mask) != hw->l_mask)) {
+ dev_dbg(ad714x->dev, "button %d released\n", idx);
+ input_report_key(sw->input, hw->keycode, 0);
+ input_sync(sw->input);
+ sw->state = IDLE;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * The response of a sensor is defined by the absolute number of codes
+ * between the current CDC value and the ambient value.
+ */
+static void ad714x_slider_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ int i;
+
+ for (i = hw->start_stage; i <= hw->end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+
+ ad714x->sensor_val[i] = abs(ad714x->adc_reg[i] -
+ ad714x->amb_reg[i]);
+ }
+}
+
+static void ad714x_slider_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->highest_stage = ad714x_cal_highest_stage(ad714x, hw->start_stage,
+ hw->end_stage);
+
+ dev_dbg(ad714x->dev, "slider %d highest_stage:%d\n", idx,
+ sw->highest_stage);
+}
+
+/*
+ * The formulae are very straight forward. It uses the sensor with the
+ * highest response and the 2 adjacent ones.
+ * When Sensor 0 has the highest response, only sensor 0 and sensor 1
+ * are used in the calculations. Similarly when the last sensor has the
+ * highest response, only the last sensor and the second last sensors
+ * are used in the calculations.
+ *
+ * For i= idx_of_peak_Sensor-1 to i= idx_of_peak_Sensor+1
+ * v += Sensor response(i)*i
+ * w += Sensor response(i)
+ * POS=(Number_of_Positions_Wanted/(Number_of_Sensors_Used-1)) *(v/w)
+ */
+static void ad714x_slider_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->abs_pos = ad714x_cal_abs_pos(ad714x, hw->start_stage, hw->end_stage,
+ sw->highest_stage, hw->max_coord);
+
+ dev_dbg(ad714x->dev, "slider %d absolute position:%d\n", idx,
+ sw->abs_pos);
+}
+
+/*
+ * To minimise the Impact of the noise on the algorithm, ADI developed a
+ * routine that filters the CDC results after they have been read by the
+ * host processor.
+ * The filter used is an Infinite Input Response(IIR) filter implemented
+ * in firmware and attenuates the noise on the CDC results after they've
+ * been read by the host processor.
+ * Filtered_CDC_result = (Filtered_CDC_result * (10 - Coefficient) +
+ * Latest_CDC_result * Coefficient)/10
+ */
+static void ad714x_slider_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+
+ sw->flt_pos = (sw->flt_pos * (10 - 4) +
+ sw->abs_pos * 4)/10;
+
+ dev_dbg(ad714x->dev, "slider %d filter position:%d\n", idx,
+ sw->flt_pos);
+}
+
+static void ad714x_slider_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+
+ ad714x_use_com_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_slider_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+
+ ad714x_use_thr_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_slider_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
+ struct ad714x_slider_drv *sw = &ad714x->sw->slider[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = ((1 << (hw->end_stage + 1)) - 1) - ((1 << hw->start_stage) - 1);
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ ad714x_slider_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "slider %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ ad714x_slider_cal_sensor_val(ad714x, idx);
+ ad714x_slider_cal_highest_stage(ad714x, idx);
+ ad714x_slider_cal_abs_pos(ad714x, idx);
+ sw->flt_pos = sw->abs_pos;
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ ad714x_slider_cal_sensor_val(ad714x, idx);
+ ad714x_slider_cal_highest_stage(ad714x, idx);
+ ad714x_slider_cal_abs_pos(ad714x, idx);
+ ad714x_slider_cal_flt_pos(ad714x, idx);
+
+ input_report_abs(sw->input, ABS_X, sw->flt_pos);
+ input_report_key(sw->input, BTN_TOUCH, 1);
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ ad714x_slider_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+ dev_dbg(ad714x->dev, "slider %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * When the scroll wheel is activated, we compute the absolute position based
+ * on the sensor values. To calculate the position, we first determine the
+ * sensor that has the greatest response among the 8 sensors that constitutes
+ * the scrollwheel. Then we determined the 2 sensors on either sides of the
+ * sensor with the highest response and we apply weights to these sensors.
+ */
+static void ad714x_wheel_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+
+ sw->pre_highest_stage = sw->highest_stage;
+ sw->highest_stage = ad714x_cal_highest_stage(ad714x, hw->start_stage,
+ hw->end_stage);
+
+ dev_dbg(ad714x->dev, "wheel %d highest_stage:%d\n", idx,
+ sw->highest_stage);
+}
+
+static void ad714x_wheel_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ int i;
+
+ for (i = hw->start_stage; i <= hw->end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+ if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
+ ad714x->sensor_val[i] = ad714x->adc_reg[i] -
+ ad714x->amb_reg[i];
+ else
+ ad714x->sensor_val[i] = 0;
+ }
+}
+
+/*
+ * When the scroll wheel is activated, we compute the absolute position based
+ * on the sensor values. To calculate the position, we first determine the
+ * sensor that has the greatest response among the 8 sensors that constitutes
+ * the scrollwheel. Then we determined the 2 sensors on either sides of the
+ * sensor with the highest response and we apply weights to these sensors. The
+ * result of this computation gives us the mean value which defined by the
+ * following formula:
+ * For i= second_before_highest_stage to i= second_after_highest_stage
+ * v += Sensor response(i)*WEIGHT*(i+3)
+ * w += Sensor response(i)
+ * Mean_Value=v/w
+ * pos_on_scrollwheel = (Mean_Value - position_offset) / position_ratio
+ */
+
+#define WEIGHT_FACTOR 30
+/* This constant prevents the "PositionOffset" from reaching a big value */
+#define OFFSET_POSITION_CLAMP 120
+static void ad714x_wheel_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ int stage_num = hw->end_stage - hw->start_stage + 1;
+ int second_before, first_before, highest, first_after, second_after;
+ int a_param, b_param;
+
+ /* Calculate Mean value */
+
+ second_before = (sw->highest_stage + stage_num - 2) % stage_num;
+ first_before = (sw->highest_stage + stage_num - 1) % stage_num;
+ highest = sw->highest_stage;
+ first_after = (sw->highest_stage + stage_num + 1) % stage_num;
+ second_after = (sw->highest_stage + stage_num + 2) % stage_num;
+
+ if (((sw->highest_stage - hw->start_stage) > 1) &&
+ ((hw->end_stage - sw->highest_stage) > 1)) {
+ a_param = ad714x->sensor_val[second_before] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_before] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[highest] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_after] *
+ (first_after - hw->start_stage + 3) +
+ ad714x->sensor_val[second_after] *
+ (second_after - hw->start_stage + 3);
+ } else {
+ a_param = ad714x->sensor_val[second_before] *
+ (second_before - hw->start_stage + 1) +
+ ad714x->sensor_val[first_before] *
+ (second_before - hw->start_stage + 2) +
+ ad714x->sensor_val[highest] *
+ (second_before - hw->start_stage + 3) +
+ ad714x->sensor_val[first_after] *
+ (first_after - hw->start_stage + 4) +
+ ad714x->sensor_val[second_after] *
+ (second_after - hw->start_stage + 5);
+ }
+ a_param *= WEIGHT_FACTOR;
+
+ b_param = ad714x->sensor_val[second_before] +
+ ad714x->sensor_val[first_before] +
+ ad714x->sensor_val[highest] +
+ ad714x->sensor_val[first_after] +
+ ad714x->sensor_val[second_after];
+
+ sw->pre_mean_value = sw->mean_value;
+ sw->mean_value = a_param / b_param;
+
+ /* Calculate the offset */
+
+ if ((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage))
+ sw->pos_offset = sw->mean_value;
+ else if ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage))
+ sw->pos_offset = sw->pre_mean_value;
+
+ if (sw->pos_offset > OFFSET_POSITION_CLAMP)
+ sw->pos_offset = OFFSET_POSITION_CLAMP;
+
+ /* Calculate the mean value without the offset */
+
+ sw->pre_mean_value_no_offset = sw->mean_value_no_offset;
+ sw->mean_value_no_offset = sw->mean_value - sw->pos_offset;
+ if (sw->mean_value_no_offset < 0)
+ sw->mean_value_no_offset = 0;
+
+ /* Calculate ratio to scale down to NUMBER_OF_WANTED_POSITIONS */
+
+ if ((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage))
+ sw->pos_ratio = (sw->pre_mean_value_no_offset * 100) /
+ hw->max_coord;
+ else if ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage))
+ sw->pos_ratio = (sw->mean_value_no_offset * 100) /
+ hw->max_coord;
+ sw->abs_pos = (sw->mean_value_no_offset * 100) / sw->pos_ratio;
+ if (sw->abs_pos > hw->max_coord)
+ sw->abs_pos = hw->max_coord;
+}
+
+static void ad714x_wheel_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ if (((sw->pre_highest_stage == hw->end_stage) &&
+ (sw->highest_stage == hw->start_stage)) ||
+ ((sw->pre_highest_stage == hw->start_stage) &&
+ (sw->highest_stage == hw->end_stage)))
+ sw->flt_pos = sw->abs_pos;
+ else
+ sw->flt_pos = ((sw->flt_pos * 30) + (sw->abs_pos * 71)) / 100;
+
+ if (sw->flt_pos > hw->max_coord)
+ sw->flt_pos = hw->max_coord;
+}
+
+static void ad714x_wheel_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+
+ ad714x_use_com_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_wheel_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+
+ ad714x_use_thr_int(ad714x, hw->start_stage, hw->end_stage);
+}
+
+static void ad714x_wheel_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
+ struct ad714x_wheel_drv *sw = &ad714x->sw->wheel[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = ((1 << (hw->end_stage + 1)) - 1) - ((1 << hw->start_stage) - 1);
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ ad714x_wheel_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "wheel %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ ad714x_wheel_cal_sensor_val(ad714x, idx);
+ ad714x_wheel_cal_highest_stage(ad714x, idx);
+ ad714x_wheel_cal_abs_pos(ad714x, idx);
+ sw->flt_pos = sw->abs_pos;
+ sw->state = ACTIVE;
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ ad714x_wheel_cal_sensor_val(ad714x, idx);
+ ad714x_wheel_cal_highest_stage(ad714x, idx);
+ ad714x_wheel_cal_abs_pos(ad714x, idx);
+ ad714x_wheel_cal_flt_pos(ad714x, idx);
+
+ input_report_abs(sw->input, ABS_WHEEL,
+ sw->abs_pos);
+ input_report_key(sw->input, BTN_TOUCH, 1);
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ ad714x_wheel_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+
+ dev_dbg(ad714x->dev, "wheel %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void touchpad_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ int i;
+
+ for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
+ ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
+ &ad714x->adc_reg[i]);
+ ad714x->read(ad714x->dev,
+ STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+ &ad714x->amb_reg[i]);
+ if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
+ ad714x->sensor_val[i] = ad714x->adc_reg[i] -
+ ad714x->amb_reg[i];
+ else
+ ad714x->sensor_val[i] = 0;
+ }
+}
+
+static void touchpad_cal_highest_stage(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_highest_stage = ad714x_cal_highest_stage(ad714x,
+ hw->x_start_stage, hw->x_end_stage);
+ sw->y_highest_stage = ad714x_cal_highest_stage(ad714x,
+ hw->y_start_stage, hw->y_end_stage);
+
+ dev_dbg(ad714x->dev,
+ "touchpad %d x_highest_stage:%d, y_highest_stage:%d\n",
+ idx, sw->x_highest_stage, sw->y_highest_stage);
+}
+
+/*
+ * If 2 fingers are touching the sensor then 2 peaks can be observed in the
+ * distribution.
+ * The arithmetic doesn't support to get absolute coordinates for multi-touch
+ * yet.
+ */
+static int touchpad_check_second_peak(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ int i;
+
+ for (i = hw->x_start_stage; i < sw->x_highest_stage; i++) {
+ if ((ad714x->sensor_val[i] - ad714x->sensor_val[i + 1])
+ > (ad714x->sensor_val[i + 1] / 10))
+ return 1;
+ }
+
+ for (i = sw->x_highest_stage; i < hw->x_end_stage; i++) {
+ if ((ad714x->sensor_val[i + 1] - ad714x->sensor_val[i])
+ > (ad714x->sensor_val[i] / 10))
+ return 1;
+ }
+
+ for (i = hw->y_start_stage; i < sw->y_highest_stage; i++) {
+ if ((ad714x->sensor_val[i] - ad714x->sensor_val[i + 1])
+ > (ad714x->sensor_val[i + 1] / 10))
+ return 1;
+ }
+
+ for (i = sw->y_highest_stage; i < hw->y_end_stage; i++) {
+ if ((ad714x->sensor_val[i + 1] - ad714x->sensor_val[i])
+ > (ad714x->sensor_val[i] / 10))
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * If only one finger is used to activate the touch pad then only 1 peak will be
+ * registered in the distribution. This peak and the 2 adjacent sensors will be
+ * used in the calculation of the absolute position. This will prevent hand
+ * shadows to affect the absolute position calculation.
+ */
+static void touchpad_cal_abs_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_abs_pos = ad714x_cal_abs_pos(ad714x, hw->x_start_stage,
+ hw->x_end_stage, sw->x_highest_stage, hw->x_max_coord);
+ sw->y_abs_pos = ad714x_cal_abs_pos(ad714x, hw->y_start_stage,
+ hw->y_end_stage, sw->y_highest_stage, hw->y_max_coord);
+
+ dev_dbg(ad714x->dev, "touchpad %d absolute position:(%d, %d)\n", idx,
+ sw->x_abs_pos, sw->y_abs_pos);
+}
+
+static void touchpad_cal_flt_pos(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+
+ sw->x_flt_pos = (sw->x_flt_pos * (10 - 4) +
+ sw->x_abs_pos * 4)/10;
+ sw->y_flt_pos = (sw->y_flt_pos * (10 - 4) +
+ sw->y_abs_pos * 4)/10;
+
+ dev_dbg(ad714x->dev, "touchpad %d filter position:(%d, %d)\n",
+ idx, sw->x_flt_pos, sw->y_flt_pos);
+}
+
+/*
+ * To prevent distortion from showing in the absolute position, it is
+ * necessary to detect the end points. When endpoints are detected, the
+ * driver stops updating the status variables with absolute positions.
+ * End points are detected on the 4 edges of the touchpad sensor. The
+ * method to detect them is the same for all 4.
+ * To detect the end points, the firmware computes the difference in
+ * percent between the sensor on the edge and the adjacent one. The
+ * difference is calculated in percent in order to make the end point
+ * detection independent of the pressure.
+ */
+
+#define LEFT_END_POINT_DETECTION_LEVEL 550
+#define RIGHT_END_POINT_DETECTION_LEVEL 750
+#define LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL 850
+#define TOP_END_POINT_DETECTION_LEVEL 550
+#define BOTTOM_END_POINT_DETECTION_LEVEL 950
+#define TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL 700
+static int touchpad_check_endpoint(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ int percent_sensor_diff;
+
+ /* left endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->x_start_stage] -
+ ad714x->sensor_val[hw->x_start_stage + 1]) * 100 /
+ ad714x->sensor_val[hw->x_start_stage + 1];
+ if (!sw->left_ep) {
+ if (percent_sensor_diff >= LEFT_END_POINT_DETECTION_LEVEL) {
+ sw->left_ep = 1;
+ sw->left_ep_val =
+ ad714x->sensor_val[hw->x_start_stage + 1];
+ }
+ } else {
+ if ((percent_sensor_diff < LEFT_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->x_start_stage + 1] >
+ LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL + sw->left_ep_val))
+ sw->left_ep = 0;
+ }
+
+ /* right endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->x_end_stage] -
+ ad714x->sensor_val[hw->x_end_stage - 1]) * 100 /
+ ad714x->sensor_val[hw->x_end_stage - 1];
+ if (!sw->right_ep) {
+ if (percent_sensor_diff >= RIGHT_END_POINT_DETECTION_LEVEL) {
+ sw->right_ep = 1;
+ sw->right_ep_val =
+ ad714x->sensor_val[hw->x_end_stage - 1];
+ }
+ } else {
+ if ((percent_sensor_diff < RIGHT_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->x_end_stage - 1] >
+ LEFT_RIGHT_END_POINT_DEAVTIVALION_LEVEL + sw->right_ep_val))
+ sw->right_ep = 0;
+ }
+
+ /* top endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->y_start_stage] -
+ ad714x->sensor_val[hw->y_start_stage + 1]) * 100 /
+ ad714x->sensor_val[hw->y_start_stage + 1];
+ if (!sw->top_ep) {
+ if (percent_sensor_diff >= TOP_END_POINT_DETECTION_LEVEL) {
+ sw->top_ep = 1;
+ sw->top_ep_val =
+ ad714x->sensor_val[hw->y_start_stage + 1];
+ }
+ } else {
+ if ((percent_sensor_diff < TOP_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->y_start_stage + 1] >
+ TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL + sw->top_ep_val))
+ sw->top_ep = 0;
+ }
+
+ /* bottom endpoint detect */
+ percent_sensor_diff = (ad714x->sensor_val[hw->y_end_stage] -
+ ad714x->sensor_val[hw->y_end_stage - 1]) * 100 /
+ ad714x->sensor_val[hw->y_end_stage - 1];
+ if (!sw->bottom_ep) {
+ if (percent_sensor_diff >= BOTTOM_END_POINT_DETECTION_LEVEL) {
+ sw->bottom_ep = 1;
+ sw->bottom_ep_val =
+ ad714x->sensor_val[hw->y_end_stage - 1];
+ }
+ } else {
+ if ((percent_sensor_diff < BOTTOM_END_POINT_DETECTION_LEVEL) &&
+ (ad714x->sensor_val[hw->y_end_stage - 1] >
+ TOP_BOTTOM_END_POINT_DEAVTIVALION_LEVEL + sw->bottom_ep_val))
+ sw->bottom_ep = 0;
+ }
+
+ return sw->left_ep || sw->right_ep || sw->top_ep || sw->bottom_ep;
+}
+
+static void touchpad_use_com_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+
+ ad714x_use_com_int(ad714x, hw->x_start_stage, hw->x_end_stage);
+}
+
+static void touchpad_use_thr_int(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+
+ ad714x_use_thr_int(ad714x, hw->x_start_stage, hw->x_end_stage);
+ ad714x_use_thr_int(ad714x, hw->y_start_stage, hw->y_end_stage);
+}
+
+static void ad714x_touchpad_state_machine(struct ad714x_chip *ad714x, int idx)
+{
+ struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
+ struct ad714x_touchpad_drv *sw = &ad714x->sw->touchpad[idx];
+ unsigned short h_state, c_state;
+ unsigned short mask;
+
+ mask = (((1 << (hw->x_end_stage + 1)) - 1) -
+ ((1 << hw->x_start_stage) - 1)) +
+ (((1 << (hw->y_end_stage + 1)) - 1) -
+ ((1 << hw->y_start_stage) - 1));
+
+ h_state = ad714x->h_state & mask;
+ c_state = ad714x->c_state & mask;
+
+ switch (sw->state) {
+ case IDLE:
+ if (h_state) {
+ sw->state = JITTER;
+ /* In End of Conversion interrupt mode, the AD714X
+ * continuously generates hardware interrupts.
+ */
+ touchpad_use_com_int(ad714x, idx);
+ dev_dbg(ad714x->dev, "touchpad %d touched\n", idx);
+ }
+ break;
+
+ case JITTER:
+ if (c_state == mask) {
+ touchpad_cal_sensor_val(ad714x, idx);
+ touchpad_cal_highest_stage(ad714x, idx);
+ if ((!touchpad_check_second_peak(ad714x, idx)) &&
+ (!touchpad_check_endpoint(ad714x, idx))) {
+ dev_dbg(ad714x->dev,
+ "touchpad%d, 2 fingers or endpoint\n",
+ idx);
+ touchpad_cal_abs_pos(ad714x, idx);
+ sw->x_flt_pos = sw->x_abs_pos;
+ sw->y_flt_pos = sw->y_abs_pos;
+ sw->state = ACTIVE;
+ }
+ }
+ break;
+
+ case ACTIVE:
+ if (c_state == mask) {
+ if (h_state) {
+ touchpad_cal_sensor_val(ad714x, idx);
+ touchpad_cal_highest_stage(ad714x, idx);
+ if ((!touchpad_check_second_peak(ad714x, idx))
+ && (!touchpad_check_endpoint(ad714x, idx))) {
+ touchpad_cal_abs_pos(ad714x, idx);
+ touchpad_cal_flt_pos(ad714x, idx);
+ input_report_abs(sw->input, ABS_X,
+ sw->x_flt_pos);
+ input_report_abs(sw->input, ABS_Y,
+ sw->y_flt_pos);
+ input_report_key(sw->input, BTN_TOUCH,
+ 1);
+ }
+ } else {
+ /* When the user lifts off the sensor, configure
+ * the AD714X back to threshold interrupt mode.
+ */
+ touchpad_use_thr_int(ad714x, idx);
+ sw->state = IDLE;
+ input_report_key(sw->input, BTN_TOUCH, 0);
+ dev_dbg(ad714x->dev, "touchpad %d released\n",
+ idx);
+ }
+ input_sync(sw->input);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int ad714x_hw_detect(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
+ switch (data & 0xFFF0) {
+ case AD7142_PARTID:
+ ad714x->product = 0x7142;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7143_PARTID:
+ ad714x->product = 0x7143;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7143 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7147_PARTID:
+ ad714x->product = 0x7147;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7147(A) captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ case AD7148_PARTID:
+ ad714x->product = 0x7148;
+ ad714x->version = data & 0xF;
+ dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
+ ad714x->version);
+ return 0;
+
+ default:
+ dev_err(ad714x->dev,
+ "fail to detect AD714X captouch, read ID is %04x\n",
+ data);
+ return -ENODEV;
+ }
+}
+
+static void ad714x_hw_init(struct ad714x_chip *ad714x)
+{
+ int i, j;
+ unsigned short reg_base;
+ unsigned short data;
+
+ /* configuration CDC and interrupts */
+
+ for (i = 0; i < STAGE_NUM; i++) {
+ reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
+ for (j = 0; j < STAGE_CFGREG_NUM; j++)
+ ad714x->write(ad714x->dev, reg_base + j,
+ ad714x->hw->stage_cfg_reg[i][j]);
+ }
+
+ for (i = 0; i < SYS_CFGREG_NUM; i++)
+ ad714x->write(ad714x->dev, AD714X_SYSCFG_REG + i,
+ ad714x->hw->sys_cfg_reg[i]);
+ for (i = 0; i < SYS_CFGREG_NUM; i++)
+ ad714x->read(ad714x->dev, AD714X_SYSCFG_REG + i,
+ &data);
+
+ ad714x->write(ad714x->dev, AD714X_STG_CAL_EN_REG, 0xFFF);
+
+ /* clear all interrupts */
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+}
+
+static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
+{
+ struct ad714x_chip *ad714x = data;
+ int i;
+
+ mutex_lock(&ad714x->mutex);
+
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &ad714x->l_state);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &ad714x->h_state);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &ad714x->c_state);
+
+ for (i = 0; i < ad714x->hw->button_num; i++)
+ ad714x_button_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->slider_num; i++)
+ ad714x_slider_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->wheel_num; i++)
+ ad714x_wheel_state_machine(ad714x, i);
+ for (i = 0; i < ad714x->hw->touchpad_num; i++)
+ ad714x_touchpad_state_machine(ad714x, i);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return IRQ_HANDLED;
+}
+
+#define MAX_DEVICE_NUM 8
+struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
+ ad714x_read_t read, ad714x_write_t write)
+{
+ int i, alloc_idx;
+ int error;
+ struct input_dev *input[MAX_DEVICE_NUM];
+
+ struct ad714x_platform_data *plat_data = dev->platform_data;
+ struct ad714x_chip *ad714x;
+ void *drv_mem;
+
+ struct ad714x_button_drv *bt_drv;
+ struct ad714x_slider_drv *sd_drv;
+ struct ad714x_wheel_drv *wl_drv;
+ struct ad714x_touchpad_drv *tp_drv;
+
+
+ if (irq <= 0) {
+ dev_err(dev, "IRQ not configured!\n");
+ error = -EINVAL;
+ goto err_out;
+ }
+
+ if (dev->platform_data == NULL) {
+ dev_err(dev, "platform data for ad714x doesn't exist\n");
+ error = -EINVAL;
+ goto err_out;
+ }
+
+ ad714x = kzalloc(sizeof(*ad714x) + sizeof(*ad714x->sw) +
+ sizeof(*sd_drv) * plat_data->slider_num +
+ sizeof(*wl_drv) * plat_data->wheel_num +
+ sizeof(*tp_drv) * plat_data->touchpad_num +
+ sizeof(*bt_drv) * plat_data->button_num, GFP_KERNEL);
+ if (!ad714x) {
+ error = -ENOMEM;
+ goto err_out;
+ }
+
+ ad714x->hw = plat_data;
+
+ drv_mem = ad714x + 1;
+ ad714x->sw = drv_mem;
+ drv_mem += sizeof(*ad714x->sw);
+ ad714x->sw->slider = sd_drv = drv_mem;
+ drv_mem += sizeof(*sd_drv) * ad714x->hw->slider_num;
+ ad714x->sw->wheel = wl_drv = drv_mem;
+ drv_mem += sizeof(*wl_drv) * ad714x->hw->wheel_num;
+ ad714x->sw->touchpad = tp_drv = drv_mem;
+ drv_mem += sizeof(*tp_drv) * ad714x->hw->touchpad_num;
+ ad714x->sw->button = bt_drv = drv_mem;
+ drv_mem += sizeof(*bt_drv) * ad714x->hw->button_num;
+
+ ad714x->read = read;
+ ad714x->write = write;
+ ad714x->irq = irq;
+ ad714x->dev = dev;
+
+ error = ad714x_hw_detect(ad714x);
+ if (error)
+ goto err_free_mem;
+
+ /* initilize and request sw/hw resources */
+
+ ad714x_hw_init(ad714x);
+ mutex_init(&ad714x->mutex);
+
+ /*
+ * Allocate and register AD714X input device
+ */
+ alloc_idx = 0;
+
+ /* a slider uses one input_dev instance */
+ if (ad714x->hw->slider_num > 0) {
+ struct ad714x_slider_plat *sd_plat = ad714x->hw->slider;
+
+ for (i = 0; i < ad714x->hw->slider_num; i++) {
+ sd_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(ABS_X, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_X, 0, sd_plat->max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* a wheel uses one input_dev instance */
+ if (ad714x->hw->wheel_num > 0) {
+ struct ad714x_wheel_plat *wl_plat = ad714x->hw->wheel;
+
+ for (i = 0; i < ad714x->hw->wheel_num; i++) {
+ wl_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(ABS_WHEEL, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_WHEEL, 0, wl_plat->max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* a touchpad uses one input_dev instance */
+ if (ad714x->hw->touchpad_num > 0) {
+ struct ad714x_touchpad_plat *tp_plat = ad714x->hw->touchpad;
+
+ for (i = 0; i < ad714x->hw->touchpad_num; i++) {
+ tp_drv[i].input = input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_ABS, input[alloc_idx]->evbit);
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ __set_bit(ABS_X, input[alloc_idx]->absbit);
+ __set_bit(ABS_Y, input[alloc_idx]->absbit);
+ __set_bit(BTN_TOUCH, input[alloc_idx]->keybit);
+ input_set_abs_params(input[alloc_idx],
+ ABS_X, 0, tp_plat->x_max_coord, 0, 0);
+ input_set_abs_params(input[alloc_idx],
+ ABS_Y, 0, tp_plat->y_max_coord, 0, 0);
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+ }
+
+ /* all buttons use one input node */
+ if (ad714x->hw->button_num > 0) {
+ struct ad714x_button_plat *bt_plat = ad714x->hw->button;
+
+ input[alloc_idx] = input_allocate_device();
+ if (!input[alloc_idx]) {
+ error = -ENOMEM;
+ goto err_free_dev;
+ }
+
+ __set_bit(EV_KEY, input[alloc_idx]->evbit);
+ for (i = 0; i < ad714x->hw->button_num; i++) {
+ bt_drv[i].input = input[alloc_idx];
+ __set_bit(bt_plat[i].keycode, input[alloc_idx]->keybit);
+ }
+
+ input[alloc_idx]->id.bustype = bus_type;
+ input[alloc_idx]->id.product = ad714x->product;
+ input[alloc_idx]->id.version = ad714x->version;
+
+ error = input_register_device(input[alloc_idx]);
+ if (error)
+ goto err_free_dev;
+
+ alloc_idx++;
+ }
+
+ error = request_threaded_irq(ad714x->irq, NULL, ad714x_interrupt_thread,
+ IRQF_TRIGGER_FALLING, "ad714x_captouch", ad714x);
+ if (error) {
+ dev_err(dev, "can't allocate irq %d\n", ad714x->irq);
+ goto err_unreg_dev;
+ }
+
+ return ad714x;
+
+ err_free_dev:
+ dev_err(dev, "failed to setup AD714x input device %i\n", alloc_idx);
+ input_free_device(input[alloc_idx]);
+ err_unreg_dev:
+ while (--alloc_idx >= 0)
+ input_unregister_device(input[alloc_idx]);
+ err_free_mem:
+ kfree(ad714x);
+ err_out:
+ return ERR_PTR(error);
+}
+EXPORT_SYMBOL(ad714x_probe);
+
+void ad714x_remove(struct ad714x_chip *ad714x)
+{
+ struct ad714x_platform_data *hw = ad714x->hw;
+ struct ad714x_driver_data *sw = ad714x->sw;
+ int i;
+
+ free_irq(ad714x->irq, ad714x);
+
+ /* unregister and free all input devices */
+
+ for (i = 0; i < hw->slider_num; i++)
+ input_unregister_device(sw->slider[i].input);
+
+ for (i = 0; i < hw->wheel_num; i++)
+ input_unregister_device(sw->wheel[i].input);
+
+ for (i = 0; i < hw->touchpad_num; i++)
+ input_unregister_device(sw->touchpad[i].input);
+
+ if (hw->button_num)
+ input_unregister_device(sw->button[0].input);
+
+ kfree(ad714x);
+}
+EXPORT_SYMBOL(ad714x_remove);
+
+#ifdef CONFIG_PM
+int ad714x_disable(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ dev_dbg(ad714x->dev, "%s enter\n", __func__);
+
+ mutex_lock(&ad714x->mutex);
+
+ data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
+ ad714x->write(ad714x->dev, AD714X_PWR_CTRL, data);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ad714x_disable);
+
+int ad714x_enable(struct ad714x_chip *ad714x)
+{
+ unsigned short data;
+
+ dev_dbg(ad714x->dev, "%s enter\n", __func__);
+
+ mutex_lock(&ad714x->mutex);
+
+ /* resume to non-shutdown mode */
+
+ ad714x->write(ad714x->dev, AD714X_PWR_CTRL,
+ ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
+
+ /* make sure the interrupt output line is not low level after resume,
+ * otherwise we will get no chance to enter falling-edge irq again
+ */
+
+ ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
+ ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+
+ mutex_unlock(&ad714x->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL(ad714x_enable);
+#endif
+
+MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor Driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/ad714x.h b/drivers/input/misc/ad714x.h
new file mode 100644
index 000000000000..45c54fb13f07
--- /dev/null
+++ b/drivers/input/misc/ad714x.h
@@ -0,0 +1,26 @@
+/*
+ * AD714X CapTouch Programmable Controller driver (bus interfaces)
+ *
+ * Copyright 2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _AD714X_H_
+#define _AD714X_H_
+
+#include <linux/types.h>
+
+struct device;
+struct ad714x_chip;
+
+typedef int (*ad714x_read_t)(struct device *, unsigned short, unsigned short *);
+typedef int (*ad714x_write_t)(struct device *, unsigned short, unsigned short);
+
+int ad714x_disable(struct ad714x_chip *ad714x);
+int ad714x_enable(struct ad714x_chip *ad714x);
+struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
+ ad714x_read_t read, ad714x_write_t write);
+void ad714x_remove(struct ad714x_chip *ad714x);
+
+#endif
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
new file mode 100644
index 000000000000..5c3ac4e0b055
--- /dev/null
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -0,0 +1,227 @@
+/*
+ * Driver for a keypad w/16 buttons connected to a PCF8574 I2C I/O expander
+ *
+ * Copyright 2005-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+
+#define DRV_NAME "pcf8574_keypad"
+
+static const unsigned char pcf8574_kp_btncode[] = {
+ [0] = KEY_RESERVED,
+ [1] = KEY_ENTER,
+ [2] = KEY_BACKSLASH,
+ [3] = KEY_0,
+ [4] = KEY_RIGHTBRACE,
+ [5] = KEY_C,
+ [6] = KEY_9,
+ [7] = KEY_8,
+ [8] = KEY_7,
+ [9] = KEY_B,
+ [10] = KEY_6,
+ [11] = KEY_5,
+ [12] = KEY_4,
+ [13] = KEY_A,
+ [14] = KEY_3,
+ [15] = KEY_2,
+ [16] = KEY_1
+};
+
+struct kp_data {
+ unsigned short btncode[ARRAY_SIZE(pcf8574_kp_btncode)];
+ struct input_dev *idev;
+ struct i2c_client *client;
+ char name[64];
+ char phys[32];
+ unsigned char laststate;
+};
+
+static short read_state(struct kp_data *lp)
+{
+ unsigned char x, y, a, b;
+
+ i2c_smbus_write_byte(lp->client, 240);
+ x = 0xF & (~(i2c_smbus_read_byte(lp->client) >> 4));
+
+ i2c_smbus_write_byte(lp->client, 15);
+ y = 0xF & (~i2c_smbus_read_byte(lp->client));
+
+ for (a = 0; x > 0; a++)
+ x = x >> 1;
+ for (b = 0; y > 0; b++)
+ y = y >> 1;
+
+ return ((a - 1) * 4) + b;
+}
+
+static irqreturn_t pcf8574_kp_irq_handler(int irq, void *dev_id)
+{
+ struct kp_data *lp = dev_id;
+ unsigned char nextstate = read_state(lp);
+
+ if (lp->laststate != nextstate) {
+ int key_down = nextstate <= ARRAY_SIZE(lp->btncode);
+ unsigned short keycode = key_down ?
+ lp->btncode[nextstate] : lp->btncode[lp->laststate];
+
+ input_report_key(lp->idev, keycode, key_down);
+ input_sync(lp->idev);
+
+ lp->laststate = nextstate;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ int i, ret;
+ struct input_dev *idev;
+ struct kp_data *lp;
+
+ if (i2c_smbus_write_byte(client, 240) < 0) {
+ dev_err(&client->dev, "probe: write fail\n");
+ return -ENODEV;
+ }
+
+ lp = kzalloc(sizeof(*lp), GFP_KERNEL);
+ if (!lp)
+ return -ENOMEM;
+
+ idev = input_allocate_device();
+ if (!idev) {
+ dev_err(&client->dev, "Can't allocate input device\n");
+ ret = -ENOMEM;
+ goto fail_allocate;
+ }
+
+ lp->idev = idev;
+ lp->client = client;
+
+ idev->evbit[0] = BIT_MASK(EV_KEY);
+ idev->keycode = lp->btncode;
+ idev->keycodesize = sizeof(lp->btncode[0]);
+ idev->keycodemax = ARRAY_SIZE(lp->btncode);
+
+ for (i = 0; i < ARRAY_SIZE(pcf8574_kp_btncode); i++) {
+ lp->btncode[i] = pcf8574_kp_btncode[i];
+ __set_bit(lp->btncode[i] & KEY_MAX, idev->keybit);
+ }
+
+ sprintf(lp->name, DRV_NAME);
+ sprintf(lp->phys, "kp_data/input0");
+
+ idev->name = lp->name;
+ idev->phys = lp->phys;
+ idev->id.bustype = BUS_I2C;
+ idev->id.vendor = 0x0001;
+ idev->id.product = 0x0001;
+ idev->id.version = 0x0100;
+
+ input_set_drvdata(idev, lp);
+
+ ret = input_register_device(idev);
+ if (ret) {
+ dev_err(&client->dev, "input_register_device() failed\n");
+ goto fail_register;
+ }
+
+ lp->laststate = read_state(lp);
+
+ ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ DRV_NAME, lp);
+ if (ret) {
+ dev_err(&client->dev, "IRQ %d is not free\n", client->irq);
+ goto fail_irq;
+ }
+
+ i2c_set_clientdata(client, lp);
+ return 0;
+
+ fail_irq:
+ input_unregister_device(idev);
+ fail_register:
+ input_set_drvdata(idev, NULL);
+ input_free_device(idev);
+ fail_allocate:
+ kfree(lp);
+
+ return ret;
+}
+
+static int __devexit pcf8574_kp_remove(struct i2c_client *client)
+{
+ struct kp_data *lp = i2c_get_clientdata(client);
+
+ free_irq(client->irq, lp);
+
+ input_unregister_device(lp->idev);
+ kfree(lp);
+
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int pcf8574_kp_resume(struct i2c_client *client)
+{
+ enable_irq(client->irq);
+
+ return 0;
+}
+
+static int pcf8574_kp_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ disable_irq(client->irq);
+
+ return 0;
+}
+#else
+# define pcf8574_kp_resume NULL
+# define pcf8574_kp_suspend NULL
+#endif
+
+static const struct i2c_device_id pcf8574_kp_id[] = {
+ { DRV_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, pcf8574_kp_id);
+
+static struct i2c_driver pcf8574_kp_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = pcf8574_kp_probe,
+ .remove = __devexit_p(pcf8574_kp_remove),
+ .suspend = pcf8574_kp_suspend,
+ .resume = pcf8574_kp_resume,
+ .id_table = pcf8574_kp_id,
+};
+
+static int __init pcf8574_kp_init(void)
+{
+ return i2c_add_driver(&pcf8574_kp_driver);
+}
+module_init(pcf8574_kp_init);
+
+static void __exit pcf8574_kp_exit(void)
+{
+ i2c_del_driver(&pcf8574_kp_driver);
+}
+module_exit(pcf8574_kp_exit);
+
+MODULE_AUTHOR("Michael Hennerich");
+MODULE_DESCRIPTION("Keypad input driver for 16 keys connected to PCF8574");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 04d5a4a3181f..4dac8b79fcd4 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -983,11 +983,11 @@ static int __init copy_keymap(void)
for (key = keymap; key->type != KE_END; key++)
length++;
- new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
+ new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
+ GFP_KERNEL);
if (!new_keymap)
return -ENOMEM;
- memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
keymap = new_keymap;
return 0;
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index c714ca2407f8..eeb58c1cac16 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -17,7 +17,7 @@ config MOUSE_PS2
default y
select SERIO
select SERIO_LIBPS2
- select SERIO_I8042 if X86
+ select SERIO_I8042 if X86 && !X86_MRST
select SERIO_GSCPS2 if GSC
help
Say Y here if you have a PS/2 mouse connected to your system. This
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 112b4ee52ff2..b18862b2a70e 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -10,6 +10,8 @@
* Trademarks are the property of their respective owners.
*/
+#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt
+
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -19,10 +21,10 @@
#include "psmouse.h"
#include "elantech.h"
-#define elantech_debug(format, arg...) \
- do { \
- if (etd->debug) \
- printk(KERN_DEBUG format, ##arg); \
+#define elantech_debug(fmt, ...) \
+ do { \
+ if (etd->debug) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
static bool force_elantech;
@@ -37,7 +39,7 @@ static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c,
{
if (psmouse_sliced_command(psmouse, c) ||
ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) {
- pr_err("elantech.c: synaptics_send_cmd query 0x%02x failed.\n", c);
+ pr_err("synaptics_send_cmd query 0x%02x failed.\n", c);
return -1;
}
@@ -60,13 +62,13 @@ static int elantech_ps2_command(struct psmouse *psmouse,
if (rc == 0)
break;
tries--;
- elantech_debug("elantech.c: retrying ps2 command 0x%02x (%d).\n",
- command, tries);
+ elantech_debug("retrying ps2 command 0x%02x (%d).\n",
+ command, tries);
msleep(ETP_PS2_COMMAND_DELAY);
} while (tries > 0);
if (rc)
- pr_err("elantech.c: ps2 command 0x%02x failed.\n", command);
+ pr_err("ps2 command 0x%02x failed.\n", command);
return rc;
}
@@ -108,7 +110,7 @@ static int elantech_read_reg(struct psmouse *psmouse, unsigned char reg,
}
if (rc)
- pr_err("elantech.c: failed to read register 0x%02x.\n", reg);
+ pr_err("failed to read register 0x%02x.\n", reg);
else
*val = param[0];
@@ -154,7 +156,7 @@ static int elantech_write_reg(struct psmouse *psmouse, unsigned char reg,
}
if (rc)
- pr_err("elantech.c: failed to write register 0x%02x with value 0x%02x.\n",
+ pr_err("failed to write register 0x%02x with value 0x%02x.\n",
reg, val);
return rc;
@@ -167,7 +169,7 @@ static void elantech_packet_dump(unsigned char *packet, int size)
{
int i;
- printk(KERN_DEBUG "elantech.c: PS/2 packet [");
+ printk(KERN_DEBUG pr_fmt("PS/2 packet ["));
for (i = 0; i < size; i++)
printk("%s0x%02x ", (i) ? ", " : " ", packet[i]);
printk("]\n");
@@ -203,7 +205,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
if (etd->jumpy_cursor) {
/* Discard packets that are likely to have bogus coordinates */
if (fingers > old_fingers) {
- elantech_debug("elantech.c: discarding packet\n");
+ elantech_debug("discarding packet\n");
goto discard_packet_v1;
}
}
@@ -413,23 +415,21 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
if (rc == 0)
break;
tries--;
- elantech_debug("elantech.c: retrying read (%d).\n",
- tries);
+ elantech_debug("retrying read (%d).\n", tries);
msleep(ETP_READ_BACK_DELAY);
} while (tries > 0);
if (rc) {
- pr_err("elantech.c: failed to read back register 0x10.\n");
+ pr_err("failed to read back register 0x10.\n");
} else if (etd->hw_version == 1 &&
!(val & ETP_R10_ABSOLUTE_MODE)) {
- pr_err("elantech.c: touchpad refuses "
- "to switch to absolute mode.\n");
+ pr_err("touchpad refuses to switch to absolute mode.\n");
rc = -1;
}
}
if (rc)
- pr_err("elantech.c: failed to initialise registers.\n");
+ pr_err("failed to initialise registers.\n");
return rc;
}
@@ -575,6 +575,24 @@ static struct attribute_group elantech_attr_group = {
.attrs = elantech_attrs,
};
+static bool elantech_is_signature_valid(const unsigned char *param)
+{
+ static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10 };
+ int i;
+
+ if (param[0] == 0)
+ return false;
+
+ if (param[1] == 0)
+ return true;
+
+ for (i = 0; i < ARRAY_SIZE(rates); i++)
+ if (param[2] == rates[i])
+ return false;
+
+ return true;
+}
+
/*
* Use magic knock to detect Elantech touchpad
*/
@@ -590,7 +608,7 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties)
ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11) ||
ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
- pr_debug("elantech.c: sending Elantech magic knock failed.\n");
+ pr_debug("sending Elantech magic knock failed.\n");
return -1;
}
@@ -599,8 +617,7 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties)
* set of magic numbers
*/
if (param[0] != 0x3c || param[1] != 0x03 || param[2] != 0xc8) {
- pr_debug("elantech.c: "
- "unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
+ pr_debug("unexpected magic knock result 0x%02x, 0x%02x, 0x%02x.\n",
param[0], param[1], param[2]);
return -1;
}
@@ -611,20 +628,20 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties)
* to Elantech magic knock and there might be more.
*/
if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
- pr_debug("elantech.c: failed to query firmware version.\n");
+ pr_debug("failed to query firmware version.\n");
return -1;
}
- pr_debug("elantech.c: Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
+ pr_debug("Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
param[0], param[1], param[2]);
- if (param[0] == 0 || param[1] != 0) {
+ if (!elantech_is_signature_valid(param)) {
if (!force_elantech) {
- pr_debug("elantech.c: Probably not a real Elantech touchpad. Aborting.\n");
+ pr_debug("Probably not a real Elantech touchpad. Aborting.\n");
return -1;
}
- pr_debug("elantech.c: Probably not a real Elantech touchpad. Enabling anyway due to force_elantech.\n");
+ pr_debug("Probably not a real Elantech touchpad. Enabling anyway due to force_elantech.\n");
}
if (set_properties) {
@@ -655,7 +672,7 @@ static int elantech_reconnect(struct psmouse *psmouse)
return -1;
if (elantech_set_absolute_mode(psmouse)) {
- pr_err("elantech.c: failed to put touchpad back into absolute mode.\n");
+ pr_err("failed to put touchpad back into absolute mode.\n");
return -1;
}
@@ -683,7 +700,7 @@ int elantech_init(struct psmouse *psmouse)
* Do the version query again so we can store the result
*/
if (synaptics_send_cmd(psmouse, ETP_FW_VERSION_QUERY, param)) {
- pr_err("elantech.c: failed to query firmware version.\n");
+ pr_err("failed to query firmware version.\n");
goto init_fail;
}
@@ -704,14 +721,14 @@ int elantech_init(struct psmouse *psmouse)
etd->paritycheck = 1;
}
- pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d.%d\n",
+ pr_info("assuming hardware version %d, firmware version %d.%d.%d\n",
etd->hw_version, param[0], param[1], param[2]);
if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY, param)) {
- pr_err("elantech.c: failed to query capabilities.\n");
+ pr_err("failed to query capabilities.\n");
goto init_fail;
}
- pr_info("elantech.c: Synaptics capabilities query result 0x%02x, 0x%02x, 0x%02x.\n",
+ pr_info("Synaptics capabilities query result 0x%02x, 0x%02x, 0x%02x.\n",
param[0], param[1], param[2]);
etd->capabilities = param[0];
@@ -721,13 +738,12 @@ int elantech_init(struct psmouse *psmouse)
* to jump. Enable a workaround.
*/
if (etd->fw_version == 0x020022) {
- pr_info("elantech.c: firmware version 2.0.34 detected, "
- "enabling jumpy cursor workaround\n");
+ pr_info("firmware version 2.0.34 detected, enabling jumpy cursor workaround\n");
etd->jumpy_cursor = 1;
}
if (elantech_set_absolute_mode(psmouse)) {
- pr_err("elantech.c: failed to put touchpad into absolute mode.\n");
+ pr_err("failed to put touchpad into absolute mode.\n");
goto init_fail;
}
@@ -736,8 +752,7 @@ int elantech_init(struct psmouse *psmouse)
error = sysfs_create_group(&psmouse->ps2dev.serio->dev.kobj,
&elantech_attr_group);
if (error) {
- pr_err("elantech.c: failed to create sysfs attributes, error: %d.\n",
- error);
+ pr_err("failed to create sysfs attributes, error: %d.\n", error);
goto init_fail;
}
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 08d66d820d2b..1d2205b24800 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -40,8 +40,8 @@
#include "psmouse.h"
#include "hgpk.h"
-static int tpdebug;
-module_param(tpdebug, int, 0644);
+static bool tpdebug;
+module_param(tpdebug, bool, 0644);
MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG.");
static int recalib_delta = 100;
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 543c240a85f2..c9983aee9082 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -56,36 +56,36 @@ static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse)
/* Logitech extended packet */
switch ((packet[1] >> 4) | (packet[0] & 0x30)) {
- case 0x0d: /* Mouse extra info */
+ case 0x0d: /* Mouse extra info */
- input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
- (int) (packet[2] & 8) - (int) (packet[2] & 7));
- input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
+ input_report_rel(dev, packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL,
+ (int) (packet[2] & 8) - (int) (packet[2] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[2] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[2] >> 5) & 1);
- break;
+ break;
- case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */
+ case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */
- input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
- input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
- input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
- input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);
+ input_report_key(dev, BTN_SIDE, (packet[2]) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[2] >> 1) & 1);
+ input_report_key(dev, BTN_BACK, (packet[2] >> 3) & 1);
+ input_report_key(dev, BTN_FORWARD, (packet[2] >> 4) & 1);
+ input_report_key(dev, BTN_TASK, (packet[2] >> 2) & 1);
- break;
+ break;
- case 0x0f: /* TouchPad extra info */
+ case 0x0f: /* TouchPad extra info */
- input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
- (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
- packet[0] = packet[2] | 0x08;
- break;
+ input_report_rel(dev, packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL,
+ (int) ((packet[2] >> 4) & 8) - (int) ((packet[2] >> 4) & 7));
+ packet[0] = packet[2] | 0x08;
+ break;
#ifdef DEBUG
- default:
- printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
- (packet[1] >> 4) | (packet[0] & 0x30));
+ default:
+ printk(KERN_WARNING "psmouse.c: Received PS2++ packet #%x, but don't know how to handle.\n",
+ (packet[1] >> 4) | (packet[0] & 0x30));
#endif
}
} else {
@@ -250,7 +250,6 @@ static const struct ps2pp_info *get_model_info(unsigned char model)
if (model == ps2pp_list[i].model)
return &ps2pp_list[i];
- printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
return NULL;
}
@@ -285,31 +284,32 @@ static void ps2pp_set_model_properties(struct psmouse *psmouse,
__set_bit(REL_HWHEEL, input_dev->relbit);
switch (model_info->kind) {
- case PS2PP_KIND_WHEEL:
- psmouse->name = "Wheel Mouse";
- break;
-
- case PS2PP_KIND_MX:
- psmouse->name = "MX Mouse";
- break;
- case PS2PP_KIND_TP3:
- psmouse->name = "TouchPad 3";
- break;
-
- case PS2PP_KIND_TRACKMAN:
- psmouse->name = "TrackMan";
- break;
-
- default:
- /*
- * Set name to "Mouse" only when using PS2++,
- * otherwise let other protocols define suitable
- * name
- */
- if (using_ps2pp)
- psmouse->name = "Mouse";
- break;
+ case PS2PP_KIND_WHEEL:
+ psmouse->name = "Wheel Mouse";
+ break;
+
+ case PS2PP_KIND_MX:
+ psmouse->name = "MX Mouse";
+ break;
+
+ case PS2PP_KIND_TP3:
+ psmouse->name = "TouchPad 3";
+ break;
+
+ case PS2PP_KIND_TRACKMAN:
+ psmouse->name = "TrackMan";
+ break;
+
+ default:
+ /*
+ * Set name to "Mouse" only when using PS2++,
+ * otherwise let other protocols define suitable
+ * name
+ */
+ if (using_ps2pp)
+ psmouse->name = "Mouse";
+ break;
}
}
@@ -343,7 +343,8 @@ int ps2pp_init(struct psmouse *psmouse, bool set_properties)
if (!model || !buttons)
return -1;
- if ((model_info = get_model_info(model)) != NULL) {
+ model_info = get_model_info(model);
+ if (model_info) {
/*
* Do Logitech PS2++ / PS2T++ magic init.
@@ -379,6 +380,9 @@ int ps2pp_init(struct psmouse *psmouse, bool set_properties)
use_ps2pp = true;
}
}
+
+ } else {
+ printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
}
if (set_properties) {
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index a3c97315a473..979c50215282 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -147,18 +147,18 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
if (psmouse->type == PSMOUSE_IMEX) {
switch (packet[3] & 0xC0) {
- case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */
- input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
- break;
- case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */
- input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
- break;
- case 0x00:
- case 0xC0:
- input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
- input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
- break;
+ case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */
+ input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
+ break;
+ case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */
+ input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
+ break;
+ case 0x00:
+ case 0xC0:
+ input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
+ break;
}
}
@@ -247,31 +247,31 @@ static int psmouse_handle_byte(struct psmouse *psmouse)
psmouse_ret_t rc = psmouse->protocol_handler(psmouse);
switch (rc) {
- case PSMOUSE_BAD_DATA:
- if (psmouse->state == PSMOUSE_ACTIVATED) {
- printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
- psmouse->name, psmouse->phys, psmouse->pktcnt);
- if (++psmouse->out_of_sync_cnt == psmouse->resetafter) {
- __psmouse_set_state(psmouse, PSMOUSE_IGNORE);
- printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
- serio_reconnect(psmouse->ps2dev.serio);
- return -1;
- }
- }
- psmouse->pktcnt = 0;
- break;
-
- case PSMOUSE_FULL_PACKET:
- psmouse->pktcnt = 0;
- if (psmouse->out_of_sync_cnt) {
- psmouse->out_of_sync_cnt = 0;
- printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
- psmouse->name, psmouse->phys);
+ case PSMOUSE_BAD_DATA:
+ if (psmouse->state == PSMOUSE_ACTIVATED) {
+ printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
+ psmouse->name, psmouse->phys, psmouse->pktcnt);
+ if (++psmouse->out_of_sync_cnt == psmouse->resetafter) {
+ __psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+ printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
+ serio_reconnect(psmouse->ps2dev.serio);
+ return -1;
}
- break;
+ }
+ psmouse->pktcnt = 0;
+ break;
+
+ case PSMOUSE_FULL_PACKET:
+ psmouse->pktcnt = 0;
+ if (psmouse->out_of_sync_cnt) {
+ psmouse->out_of_sync_cnt = 0;
+ printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
+ psmouse->name, psmouse->phys);
+ }
+ break;
- case PSMOUSE_GOOD_DATA:
- break;
+ case PSMOUSE_GOOD_DATA:
+ break;
}
return 0;
}
@@ -1245,7 +1245,7 @@ static int psmouse_switch_protocol(struct psmouse *psmouse,
psmouse->pktsize = 3;
if (proto && (proto->detect || proto->init)) {
- if (proto->detect && proto->detect(psmouse, 1) < 0)
+ if (proto->detect && proto->detect(psmouse, true) < 0)
return -1;
if (proto->init && proto->init(psmouse) < 0)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index ebd7a99efeae..40cea334ad13 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -36,6 +36,8 @@
* The x/y limits are taken from the Synaptics TouchPad interfacing Guide,
* section 2.3.2, which says that they should be valid regardless of the
* actual size of the sensor.
+ * Note that newer firmware allows querying device for maximum useable
+ * coordinates.
*/
#define XMIN_NOMINAL 1472
#define XMAX_NOMINAL 5472
@@ -194,23 +196,33 @@ static int synaptics_identify(struct psmouse *psmouse)
}
/*
- * Read touchpad resolution
+ * Read touchpad resolution and maximum reported coordinates
* Resolution is left zero if touchpad does not support the query
*/
static int synaptics_resolution(struct psmouse *psmouse)
{
struct synaptics_data *priv = psmouse->private;
unsigned char res[3];
+ unsigned char max[3];
if (SYN_ID_MAJOR(priv->identity) < 4)
- return 0;
- if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, res))
- return 0;
+ if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, res) == 0) {
+ if (res[0] != 0 && (res[1] & 0x80) && res[2] != 0) {
+ priv->x_res = res[0]; /* x resolution in units/mm */
+ priv->y_res = res[2]; /* y resolution in units/mm */
+ }
+ }
- if ((res[0] != 0) && (res[1] & 0x80) && (res[2] != 0)) {
- priv->x_res = res[0]; /* x resolution in units/mm */
- priv->y_res = res[2]; /* y resolution in units/mm */
+ if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 &&
+ SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) {
+ if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_DIMENSIONS, max)) {
+ printk(KERN_ERR "Synaptics claims to have dimensions query,"
+ " but I'm not able to read it.\n");
+ } else {
+ priv->x_max = (max[0] << 5) | ((max[1] & 0x0f) << 1);
+ priv->y_max = (max[2] << 5) | ((max[1] & 0xf0) >> 3);
+ }
}
return 0;
@@ -520,19 +532,20 @@ static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned cha
return 0;
switch (pkt_type) {
- case SYN_NEWABS:
- case SYN_NEWABS_RELAXED:
- return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx];
- case SYN_NEWABS_STRICT:
- return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
+ case SYN_NEWABS:
+ case SYN_NEWABS_RELAXED:
+ return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx];
- case SYN_OLDABS:
- return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
+ case SYN_NEWABS_STRICT:
+ return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx];
- default:
- printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type);
- return 0;
+ case SYN_OLDABS:
+ return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
+
+ default:
+ printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type);
+ return 0;
}
}
@@ -578,8 +591,10 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
int i;
__set_bit(EV_ABS, dev->evbit);
- input_set_abs_params(dev, ABS_X, XMIN_NOMINAL, XMAX_NOMINAL, 0, 0);
- input_set_abs_params(dev, ABS_Y, YMIN_NOMINAL, YMAX_NOMINAL, 0, 0);
+ input_set_abs_params(dev, ABS_X,
+ XMIN_NOMINAL, priv->x_max ?: XMAX_NOMINAL, 0, 0);
+ input_set_abs_params(dev, ABS_Y,
+ YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
__set_bit(ABS_TOOL_WIDTH, dev->absbit);
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index ae37c5d162a4..7d4d5e12c0df 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -19,6 +19,7 @@
#define SYN_QUE_RESOLUTION 0x08
#define SYN_QUE_EXT_CAPAB 0x09
#define SYN_QUE_EXT_CAPAB_0C 0x0c
+#define SYN_QUE_EXT_DIMENSIONS 0x0d
/* synatics modes */
#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
@@ -51,6 +52,7 @@
#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100)
+#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
@@ -101,8 +103,8 @@ struct synaptics_data {
unsigned long int ext_cap; /* Extended Capabilities */
unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */
unsigned long int identity; /* Identification */
- int x_res; /* X resolution in units/mm */
- int y_res; /* Y resolution in units/mm */
+ unsigned int x_res, y_res; /* X/Y resolution in units/mm */
+ unsigned int x_max, y_max; /* Max dimensions (from FW) */
unsigned char pkt_type; /* packet type - old, new, etc */
unsigned char mode; /* current mode byte */
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index ead0494721d0..6168469ad1a6 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -660,8 +660,21 @@ static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *
}
static struct pnp_device_id pnp_kbd_devids[] = {
+ { .id = "PNP0300", .driver_data = 0 },
+ { .id = "PNP0301", .driver_data = 0 },
+ { .id = "PNP0302", .driver_data = 0 },
{ .id = "PNP0303", .driver_data = 0 },
+ { .id = "PNP0304", .driver_data = 0 },
+ { .id = "PNP0305", .driver_data = 0 },
+ { .id = "PNP0306", .driver_data = 0 },
+ { .id = "PNP0309", .driver_data = 0 },
+ { .id = "PNP030a", .driver_data = 0 },
{ .id = "PNP030b", .driver_data = 0 },
+ { .id = "PNP0320", .driver_data = 0 },
+ { .id = "PNP0343", .driver_data = 0 },
+ { .id = "PNP0344", .driver_data = 0 },
+ { .id = "PNP0345", .driver_data = 0 },
+ { .id = "CPQA0D7", .driver_data = 0 },
{ .id = "", },
};
@@ -672,6 +685,7 @@ static struct pnp_driver i8042_pnp_kbd_driver = {
};
static struct pnp_device_id pnp_aux_devids[] = {
+ { .id = "AUI0200", .driver_data = 0 },
{ .id = "FJC6000", .driver_data = 0 },
{ .id = "FJC6001", .driver_data = 0 },
{ .id = "PNP0f03", .driver_data = 0 },
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index 670c61c5a516..37d0539fefa0 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -66,18 +66,18 @@ static void usb_acecad_irq(struct urb *urb)
int prox, status;
switch (urb->status) {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __func__, urb->status);
- return;
- default:
- dbg("%s - nonzero urb status received: %d", __func__, urb->status);
- goto resubmit;
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d", __func__, urb->status);
+ return;
+ default:
+ dbg("%s - nonzero urb status received: %d", __func__, urb->status);
+ goto resubmit;
}
prox = (data[0] & 0x04) >> 2;
@@ -135,7 +135,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
struct usb_acecad *acecad;
struct input_dev *input_dev;
int pipe, maxp;
- int err = -ENOMEM;
+ int err;
if (interface->desc.bNumEndpoints != 1)
return -ENODEV;
@@ -193,40 +193,34 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
input_dev->close = usb_acecad_close;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
- input_dev->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
- BIT_MASK(ABS_PRESSURE);
- input_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
input_dev->keybit[BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_TOOL_PEN) |
BIT_MASK(BTN_TOUCH) | BIT_MASK(BTN_STYLUS) |
BIT_MASK(BTN_STYLUS2);
switch (id->driver_info) {
- case 0:
- input_dev->absmax[ABS_X] = 5000;
- input_dev->absmax[ABS_Y] = 3750;
- input_dev->absmax[ABS_PRESSURE] = 512;
- if (!strlen(acecad->name))
- snprintf(acecad->name, sizeof(acecad->name),
- "USB Acecad Flair Tablet %04x:%04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
- break;
- case 1:
- input_dev->absmax[ABS_X] = 3000;
- input_dev->absmax[ABS_Y] = 2250;
- input_dev->absmax[ABS_PRESSURE] = 1024;
- if (!strlen(acecad->name))
- snprintf(acecad->name, sizeof(acecad->name),
- "USB Acecad 302 Tablet %04x:%04x",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
- break;
+ case 0:
+ input_set_abs_params(input_dev, ABS_X, 0, 5000, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, 3750, 4, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 512, 0, 0);
+ if (!strlen(acecad->name))
+ snprintf(acecad->name, sizeof(acecad->name),
+ "USB Acecad Flair Tablet %04x:%04x",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+ break;
+
+ case 1:
+ input_set_abs_params(input_dev, ABS_X, 0, 53000, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, 2250, 4, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, 1024, 0, 0);
+ if (!strlen(acecad->name))
+ snprintf(acecad->name, sizeof(acecad->name),
+ "USB Acecad 302 Tablet %04x:%04x",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+ break;
}
- input_dev->absfuzz[ABS_X] = 4;
- input_dev->absfuzz[ABS_Y] = 4;
-
usb_fill_int_urb(acecad->irq, dev, pipe,
acecad->data, maxp > 8 ? 8 : maxp,
usb_acecad_irq, acecad, endpoint->bInterval);
@@ -252,13 +246,11 @@ static void usb_acecad_disconnect(struct usb_interface *intf)
struct usb_acecad *acecad = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
- if (acecad) {
- usb_kill_urb(acecad->irq);
- input_unregister_device(acecad->input);
- usb_free_urb(acecad->irq);
- usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
- kfree(acecad);
- }
+
+ input_unregister_device(acecad->input);
+ usb_free_urb(acecad->irq);
+ usb_buffer_free(acecad->usbdev, 8, acecad->data, acecad->data_dma);
+ kfree(acecad);
}
static struct usb_device_id usb_acecad_id_table [] = {
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index 6682b17bf844..b9969f120247 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -34,10 +34,6 @@ struct kbtab {
struct input_dev *dev;
struct usb_device *usbdev;
struct urb *irq;
- int x, y;
- int button;
- int pressure;
- __u32 serial[2];
char phys[32];
};
@@ -46,6 +42,7 @@ static void kbtab_irq(struct urb *urb)
struct kbtab *kbtab = urb->context;
unsigned char *data = kbtab->data;
struct input_dev *dev = kbtab->dev;
+ int pressure;
int retval;
switch (urb->status) {
@@ -63,31 +60,27 @@ static void kbtab_irq(struct urb *urb)
goto exit;
}
- kbtab->x = get_unaligned_le16(&data[1]);
- kbtab->y = get_unaligned_le16(&data[3]);
-
- kbtab->pressure = (data[5]);
input_report_key(dev, BTN_TOOL_PEN, 1);
- input_report_abs(dev, ABS_X, kbtab->x);
- input_report_abs(dev, ABS_Y, kbtab->y);
+ input_report_abs(dev, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(dev, ABS_Y, get_unaligned_le16(&data[3]));
/*input_report_key(dev, BTN_TOUCH , data[0] & 0x01);*/
input_report_key(dev, BTN_RIGHT, data[0] & 0x02);
- if (-1 == kb_pressure_click) {
- input_report_abs(dev, ABS_PRESSURE, kbtab->pressure);
- } else {
- input_report_key(dev, BTN_LEFT, (kbtab->pressure > kb_pressure_click) ? 1 : 0);
- };
+ pressure = data[5];
+ if (kb_pressure_click == -1)
+ input_report_abs(dev, ABS_PRESSURE, pressure);
+ else
+ input_report_key(dev, BTN_LEFT, pressure > kb_pressure_click ? 1 : 0);
input_sync(dev);
exit:
- retval = usb_submit_urb (urb, GFP_ATOMIC);
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
- err ("%s - usb_submit_urb failed with result %d",
+ err("%s - usb_submit_urb failed with result %d",
__func__, retval);
}
@@ -153,13 +146,11 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
input_dev->open = kbtab_open;
input_dev->close = kbtab_close;
- input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
- BIT_MASK(EV_MSC);
- input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
- BIT_MASK(BTN_TOUCH);
- input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |=
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |=
+ BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_TOUCH);
input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);
input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0);
@@ -182,7 +173,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
return 0;
fail3: usb_free_urb(kbtab->irq);
- fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
+ fail2: usb_buffer_free(dev, 8, kbtab->data, kbtab->data_dma);
fail1: input_free_device(input_dev);
kfree(kbtab);
return error;
@@ -193,13 +184,11 @@ static void kbtab_disconnect(struct usb_interface *intf)
struct kbtab *kbtab = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
- if (kbtab) {
- usb_kill_urb(kbtab->irq);
- input_unregister_device(kbtab->dev);
- usb_free_urb(kbtab->irq);
- usb_buffer_free(interface_to_usbdev(intf), 10, kbtab->data, kbtab->data_dma);
- kfree(kbtab);
- }
+
+ input_unregister_device(kbtab->dev);
+ usb_free_urb(kbtab->irq);
+ usb_buffer_free(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma);
+ kfree(kbtab);
}
static struct usb_driver kbtab_driver = {
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index 8fef1b689c69..284dfaab6b8c 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -106,44 +106,18 @@ MODULE_LICENSE(DRIVER_LICENSE);
struct wacom {
dma_addr_t data_dma;
- struct input_dev *dev;
struct usb_device *usbdev;
struct usb_interface *intf;
struct urb *irq;
- struct wacom_wac *wacom_wac;
+ struct wacom_wac wacom_wac;
struct mutex lock;
- unsigned int open:1;
+ bool open;
char phys[32];
};
-struct wacom_combo {
- struct wacom *wacom;
- struct urb *urb;
-};
-
extern const struct usb_device_id wacom_ids[];
-extern int wacom_wac_irq(struct wacom_wac * wacom_wac, void * wcombo);
-extern void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data);
-extern void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data);
-extern void wacom_report_key(void *wcombo, unsigned int key_type, int key_data);
-extern void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value);
-extern void wacom_input_sync(void *wcombo);
-extern void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_i4s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_i4(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_tpc(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_tpc2fg(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
-extern __u16 wacom_le16_to_cpu(unsigned char *data);
-extern __u16 wacom_be16_to_cpu(unsigned char *data);
-
+void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
+void wacom_setup_input_capabilities(struct input_dev *input_dev,
+ struct wacom_wac *wacom_wac);
#endif
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index f46502589e4e..d90f4e00e51d 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -11,8 +11,8 @@
* (at your option) any later version.
*/
-#include "wacom.h"
#include "wacom_wac.h"
+#include "wacom.h"
/* defines to get HID report descriptor */
#define HID_DEVICET_HID (USB_TYPE_CLASS | 0x01)
@@ -70,15 +70,9 @@ static int usb_set_report(struct usb_interface *intf, unsigned char type,
buf, size, 1000);
}
-static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
-{
- return wcombo->wacom->dev;
-}
-
static void wacom_sys_irq(struct urb *urb)
{
struct wacom *wacom = urb->context;
- struct wacom_combo wcombo;
int retval;
switch (urb->status) {
@@ -96,59 +90,16 @@ static void wacom_sys_irq(struct urb *urb)
goto exit;
}
- wcombo.wacom = wacom;
- wcombo.urb = urb;
-
- if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
- input_sync(get_input_dev(&wcombo));
+ wacom_wac_irq(&wacom->wacom_wac, urb->actual_length);
exit:
usb_mark_last_busy(wacom->usbdev);
- retval = usb_submit_urb (urb, GFP_ATOMIC);
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err ("%s - usb_submit_urb failed with result %d",
__func__, retval);
}
-void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
-{
- input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
-}
-
-void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
-{
- input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
-}
-
-void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
-{
- input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
-}
-
-void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
-{
- input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
-}
-
-__u16 wacom_be16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = be16_to_cpu(*(__be16 *) data);
- return value;
-}
-
-__u16 wacom_le16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = le16_to_cpu(*(__le16 *) data);
- return value;
-}
-
-void wacom_input_sync(void *wcombo)
-{
- input_sync(get_input_dev((struct wacom_combo *)wcombo));
-}
-
static int wacom_open(struct input_dev *dev)
{
struct wacom *wacom = input_get_drvdata(dev);
@@ -168,7 +119,7 @@ static int wacom_open(struct input_dev *dev)
return -EIO;
}
- wacom->open = 1;
+ wacom->open = true;
wacom->intf->needs_remote_wakeup = 1;
mutex_unlock(&wacom->lock);
@@ -181,128 +132,11 @@ static void wacom_close(struct input_dev *dev)
mutex_lock(&wacom->lock);
usb_kill_urb(wacom->irq);
- wacom->open = 0;
+ wacom->open = false;
wacom->intf->needs_remote_wakeup = 0;
mutex_unlock(&wacom->lock);
}
-void input_dev_mo(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_1) |
- BIT_MASK(BTN_5);
- input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
-}
-
-void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->evbit[0] |= BIT_MASK(EV_MSC);
- input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) |
- BIT_MASK(BTN_4);
-}
-
-void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->evbit[0] |= BIT_MASK(EV_REL);
- input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
- input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
- BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_STYLUS) |
- BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_STYLUS2);
- input_set_abs_params(input_dev, ABS_DISTANCE,
- 0, wacom_wac->features.distance_max, 0, 0);
-}
-
-void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) |
- BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
- input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
- input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
-}
-
-void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_4) |
- BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | BIT_MASK(BTN_7);
- input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
-}
-
-void input_dev_i4s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_FINGER);
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) | BIT_MASK(BTN_1) | BIT_MASK(BTN_2) | BIT_MASK(BTN_3);
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_4) | BIT_MASK(BTN_5) | BIT_MASK(BTN_6);
- input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
-}
-
-void input_dev_i4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_7) | BIT_MASK(BTN_8);
-}
-
-void input_dev_bee(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_8) | BIT_MASK(BTN_9);
-}
-
-void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->evbit[0] |= BIT_MASK(EV_MSC) | BIT_MASK(EV_REL);
- input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
- input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
- input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE) |
- BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER) |
- BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_STYLUS) |
- BIT_MASK(BTN_TOOL_MOUSE) | BIT_MASK(BTN_TOOL_BRUSH) |
- BIT_MASK(BTN_TOOL_PENCIL) | BIT_MASK(BTN_TOOL_AIRBRUSH) |
- BIT_MASK(BTN_TOOL_LENS) | BIT_MASK(BTN_STYLUS2);
- input_set_abs_params(input_dev, ABS_DISTANCE,
- 0, wacom_wac->features.distance_max, 0, 0);
- input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
- input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
- input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
- input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
- input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
-}
-
-void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
- BIT_MASK(BTN_STYLUS) | BIT_MASK(BTN_STYLUS2);
-}
-
-void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_RUBBER);
-}
-
-void input_dev_tpc(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- struct wacom_features *features = &wacom_wac->features;
-
- if (features->device_type == BTN_TOOL_DOUBLETAP ||
- features->device_type == BTN_TOOL_TRIPLETAP) {
- input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
- input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
- __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
- }
-}
-
-void input_dev_tpc2fg(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
-{
- if (wacom_wac->features.device_type == BTN_TOOL_TRIPLETAP) {
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_TRIPLETAP);
- input_dev->evbit[0] |= BIT_MASK(EV_MSC);
- input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
- }
-}
-
static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hid_desc,
struct wacom_features *features)
{
@@ -362,9 +196,9 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->device_type = BTN_TOOL_TRIPLETAP;
}
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->x_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
features->unit = report[i + 9];
features->unitExpo = report[i + 11];
i += 12;
@@ -374,7 +208,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (usage == WCM_DIGITIZER) {
@@ -396,15 +230,15 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_TPC2FG;
features->device_type = BTN_TOOL_TRIPLETAP;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->y_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
i += 7;
} else {
features->y_max =
features->x_max;
features->y_phy =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (pen) {
@@ -413,7 +247,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
}
@@ -432,7 +266,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
case HID_USAGE_UNDEFINED:
if (usage == WCM_DESKTOP && finger) /* capacity */
features->pressure_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
break;
}
@@ -528,6 +362,81 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
return error;
}
+struct wacom_usbdev_data {
+ struct list_head list;
+ struct kref kref;
+ struct usb_device *dev;
+ struct wacom_shared shared;
+};
+
+static LIST_HEAD(wacom_udev_list);
+static DEFINE_MUTEX(wacom_udev_list_lock);
+
+static struct wacom_usbdev_data *wacom_get_usbdev_data(struct usb_device *dev)
+{
+ struct wacom_usbdev_data *data;
+
+ list_for_each_entry(data, &wacom_udev_list, list) {
+ if (data->dev == dev) {
+ kref_get(&data->kref);
+ return data;
+ }
+ }
+
+ return NULL;
+}
+
+static int wacom_add_shared_data(struct wacom_wac *wacom,
+ struct usb_device *dev)
+{
+ struct wacom_usbdev_data *data;
+ int retval = 0;
+
+ mutex_lock(&wacom_udev_list_lock);
+
+ data = wacom_get_usbdev_data(dev);
+ if (!data) {
+ data = kzalloc(sizeof(struct wacom_usbdev_data), GFP_KERNEL);
+ if (!data) {
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ kref_init(&data->kref);
+ data->dev = dev;
+ list_add_tail(&data->list, &wacom_udev_list);
+ }
+
+ wacom->shared = &data->shared;
+
+out:
+ mutex_unlock(&wacom_udev_list_lock);
+ return retval;
+}
+
+static void wacom_release_shared_data(struct kref *kref)
+{
+ struct wacom_usbdev_data *data =
+ container_of(kref, struct wacom_usbdev_data, kref);
+
+ mutex_lock(&wacom_udev_list_lock);
+ list_del(&data->list);
+ mutex_unlock(&wacom_udev_list_lock);
+
+ kfree(data);
+}
+
+static void wacom_remove_shared_data(struct wacom_wac *wacom)
+{
+ struct wacom_usbdev_data *data;
+
+ if (wacom->shared) {
+ data = container_of(wacom->shared, struct wacom_usbdev_data, shared);
+ kref_put(&data->kref, wacom_release_shared_data);
+ wacom->shared = NULL;
+ }
+}
+
static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(intf);
@@ -542,13 +451,13 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
return -EINVAL;
wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
- wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!wacom || !input_dev || !wacom_wac) {
+ if (!wacom || !input_dev) {
error = -ENOMEM;
goto fail1;
}
+ wacom_wac = &wacom->wacom_wac;
wacom_wac->features = *((struct wacom_features *)id->driver_info);
features = &wacom_wac->features;
if (features->pktlen > WACOM_PKGLEN_MAX) {
@@ -570,20 +479,12 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
}
wacom->usbdev = dev;
- wacom->dev = input_dev;
wacom->intf = intf;
mutex_init(&wacom->lock);
usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
- usb_to_input_id(dev, &input_dev->id);
-
- input_dev->dev.parent = &intf->dev;
-
- input_set_drvdata(input_dev, wacom);
-
- input_dev->open = wacom_open;
- input_dev->close = wacom_close;
+ wacom_wac->input = input_dev;
endpoint = &intf->cur_altsetting->endpoint[0].desc;
@@ -600,20 +501,21 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
features->device_type == BTN_TOOL_PEN ?
" Pen" : " Finger",
sizeof(wacom_wac->name));
+
+ error = wacom_add_shared_data(wacom_wac, dev);
+ if (error)
+ goto fail3;
}
input_dev->name = wacom_wac->name;
- wacom->wacom_wac = wacom_wac;
-
- input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOUCH);
-
- input_set_abs_params(input_dev, ABS_X, 0, features->x_max, 4, 0);
- input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, 4, 0);
- input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, 0, 0);
- input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
+ input_dev->name = wacom_wac->name;
+ input_dev->dev.parent = &intf->dev;
+ input_dev->open = wacom_open;
+ input_dev->close = wacom_close;
+ usb_to_input_id(dev, &input_dev->id);
+ input_set_drvdata(input_dev, wacom);
- wacom_init_input_dev(input_dev, wacom_wac);
+ wacom_setup_input_capabilities(input_dev, wacom_wac);
usb_fill_int_urb(wacom->irq, dev,
usb_rcvintpipe(dev, endpoint->bEndpointAddress),
@@ -622,9 +524,9 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
wacom->irq->transfer_dma = wacom->data_dma;
wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- error = input_register_device(wacom->dev);
+ error = input_register_device(input_dev);
if (error)
- goto fail3;
+ goto fail4;
/* Note that if query fails it is not a hard failure */
wacom_query_tablet_data(intf, features);
@@ -632,11 +534,11 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
usb_set_intfdata(intf, wacom);
return 0;
+ fail4: wacom_remove_shared_data(wacom_wac);
fail3: usb_free_urb(wacom->irq);
fail2: usb_buffer_free(dev, WACOM_PKGLEN_MAX, wacom_wac->data, wacom->data_dma);
fail1: input_free_device(input_dev);
kfree(wacom);
- kfree(wacom_wac);
return error;
}
@@ -647,11 +549,11 @@ static void wacom_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
usb_kill_urb(wacom->irq);
- input_unregister_device(wacom->dev);
+ input_unregister_device(wacom->wacom_wac.input);
usb_free_urb(wacom->irq);
usb_buffer_free(interface_to_usbdev(intf), WACOM_PKGLEN_MAX,
- wacom->wacom_wac->data, wacom->data_dma);
- kfree(wacom->wacom_wac);
+ wacom->wacom_wac.data, wacom->data_dma);
+ wacom_remove_shared_data(&wacom->wacom_wac);
kfree(wacom);
}
@@ -669,7 +571,7 @@ static int wacom_suspend(struct usb_interface *intf, pm_message_t message)
static int wacom_resume(struct usb_interface *intf)
{
struct wacom *wacom = usb_get_intfdata(intf);
- struct wacom_features *features = &wacom->wacom_wac->features;
+ struct wacom_features *features = &wacom->wacom_wac.features;
int rv;
mutex_lock(&wacom->lock);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 4a852d815c68..847fd0135bcf 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -11,52 +11,58 @@
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
-#include "wacom.h"
+
#include "wacom_wac.h"
+#include "wacom.h"
-static int wacom_penpartner_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
switch (data[0]) {
- case 1:
- if (data[5] & 0x80) {
- wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
- wacom_report_key(wcombo, wacom->tool[0], 1);
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
- wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
- wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -127));
- wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
- } else {
- wacom_report_key(wcombo, wacom->tool[0], 0);
- wacom_report_abs(wcombo, ABS_MISC, 0); /* report tool id */
- wacom_report_abs(wcombo, ABS_PRESSURE, -1);
- wacom_report_key(wcombo, BTN_TOUCH, 0);
- }
- break;
- case 2:
- wacom_report_key(wcombo, BTN_TOOL_PEN, 1);
- wacom_report_abs(wcombo, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
- wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
- wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
- wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
- break;
- default:
- printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
- return 0;
+ case 1:
+ if (data[5] & 0x80) {
+ wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+ wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
+ input_report_key(input, wacom->tool[0], 1);
+ input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
+ input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
+ input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
+ input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
+ } else {
+ input_report_key(input, wacom->tool[0], 0);
+ input_report_abs(input, ABS_MISC, 0); /* report tool id */
+ input_report_abs(input, ABS_PRESSURE, -1);
+ input_report_key(input, BTN_TOUCH, 0);
+ }
+ break;
+
+ case 2:
+ input_report_key(input, BTN_TOOL_PEN, 1);
+ input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
+ input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
+ input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
+ input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
+ break;
+
+ default:
+ printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
+ return 0;
}
+
return 1;
}
-static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_pl_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
int prox, pressure;
if (data[0] != WACOM_REPORT_PENABLED) {
@@ -90,8 +96,8 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
/* was entered with stylus2 pressed */
if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
/* report out proximity for previous tool */
- wacom_report_key(wcombo, wacom->tool[1], 0);
- wacom_input_sync(wcombo);
+ input_report_key(input, wacom->tool[1], 0);
+ input_sync(input);
wacom->tool[1] = BTN_TOOL_PEN;
return 0;
}
@@ -101,32 +107,33 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
wacom->tool[1] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
}
- wacom_report_key(wcombo, wacom->tool[1], prox); /* report in proximity for tool */
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
- wacom_report_abs(wcombo, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
- wacom_report_abs(wcombo, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
- wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
-
- wacom_report_key(wcombo, BTN_TOUCH, data[4] & 0x08);
- wacom_report_key(wcombo, BTN_STYLUS, data[4] & 0x10);
+ input_report_key(input, wacom->tool[1], prox); /* report in proximity for tool */
+ input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
+ input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
+ input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
+ input_report_abs(input, ABS_PRESSURE, pressure);
+
+ input_report_key(input, BTN_TOUCH, data[4] & 0x08);
+ input_report_key(input, BTN_STYLUS, data[4] & 0x10);
/* Only allow the stylus2 button to be reported for the pen tool. */
- wacom_report_key(wcombo, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
+ input_report_key(input, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
} else {
/* report proximity-out of a (valid) tool */
if (wacom->tool[1] != BTN_TOOL_RUBBER) {
/* Unknown tool selected default to pen tool */
wacom->tool[1] = BTN_TOOL_PEN;
}
- wacom_report_key(wcombo, wacom->tool[1], prox);
+ input_report_key(input, wacom->tool[1], prox);
}
wacom->tool[0] = prox; /* Save proximity state */
return 1;
}
-static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_ptu_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
if (data[0] != WACOM_REPORT_PENABLED) {
printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
@@ -134,40 +141,41 @@ static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
}
if (data[1] & 0x04) {
- wacom_report_key(wcombo, BTN_TOOL_RUBBER, data[1] & 0x20);
- wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x08);
+ input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
+ input_report_key(input, BTN_TOUCH, data[1] & 0x08);
wacom->id[0] = ERASER_DEVICE_ID;
} else {
- wacom_report_key(wcombo, BTN_TOOL_PEN, data[1] & 0x20);
- wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
+ input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
+ input_report_key(input, BTN_TOUCH, data[1] & 0x01);
wacom->id[0] = STYLUS_DEVICE_ID;
}
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
- wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
- wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
- wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
+ input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
+ input_report_key(input, BTN_STYLUS, data[1] & 0x02);
+ input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
return 1;
}
-static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_graphire_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
- int x, y, rw;
- static int penData = 0;
+ struct input_dev *input = wacom->input;
+ int prox;
+ int rw = 0;
+ int retval = 0;
if (data[0] != WACOM_REPORT_PENABLED) {
dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
- return 0;
+ goto exit;
}
- if (data[1] & 0x80) {
- /* in prox and not a pad data */
- penData = 1;
-
- switch ((data[1] >> 5) & 3) {
+ prox = data[1] & 0x80;
+ if (prox || wacom->id[0]) {
+ if (prox) {
+ switch ((data[1] >> 5) & 3) {
case 0: /* Pen */
wacom->tool[0] = BTN_TOOL_PEN;
@@ -180,128 +188,89 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
break;
case 2: /* Mouse with wheel */
- wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04);
- if (features->type == WACOM_G4 || features->type == WACOM_MO) {
- rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
- wacom_report_rel(wcombo, REL_WHEEL, -rw);
- } else
- wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]);
+ input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
/* fall through */
case 3: /* Mouse without wheel */
wacom->tool[0] = BTN_TOOL_MOUSE;
wacom->id[0] = CURSOR_DEVICE_ID;
- wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
- wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
- if (features->type == WACOM_G4 || features->type == WACOM_MO)
- wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
- else
- wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
break;
+ }
}
- x = wacom_le16_to_cpu(&data[2]);
- y = wacom_le16_to_cpu(&data[4]);
- wacom_report_abs(wcombo, ABS_X, x);
- wacom_report_abs(wcombo, ABS_Y, y);
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
if (wacom->tool[0] != BTN_TOOL_MOUSE) {
- wacom_report_abs(wcombo, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
- wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
- wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
- wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
- }
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
- wacom_report_key(wcombo, wacom->tool[0], 1);
- } else if (wacom->id[0]) {
- wacom_report_abs(wcombo, ABS_X, 0);
- wacom_report_abs(wcombo, ABS_Y, 0);
- if (wacom->tool[0] == BTN_TOOL_MOUSE) {
- wacom_report_key(wcombo, BTN_LEFT, 0);
- wacom_report_key(wcombo, BTN_RIGHT, 0);
- wacom_report_abs(wcombo, ABS_DISTANCE, 0);
+ input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
+ input_report_key(input, BTN_TOUCH, data[1] & 0x01);
+ input_report_key(input, BTN_STYLUS, data[1] & 0x02);
+ input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
} else {
- wacom_report_abs(wcombo, ABS_PRESSURE, 0);
- wacom_report_key(wcombo, BTN_TOUCH, 0);
- wacom_report_key(wcombo, BTN_STYLUS, 0);
- wacom_report_key(wcombo, BTN_STYLUS2, 0);
+ input_report_key(input, BTN_LEFT, data[1] & 0x01);
+ input_report_key(input, BTN_RIGHT, data[1] & 0x02);
+ if (features->type == WACOM_G4 ||
+ features->type == WACOM_MO) {
+ input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
+ rw = (signed)(data[7] & 0x04) - (data[7] & 0x03);
+ } else {
+ input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
+ rw = -(signed)data[6];
+ }
+ input_report_rel(input, REL_WHEEL, rw);
}
- wacom->id[0] = 0;
- wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
- wacom_report_key(wcombo, wacom->tool[0], 0);
+
+ if (!prox)
+ wacom->id[0] = 0;
+ input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
+ input_report_key(input, wacom->tool[0], prox);
+ input_sync(input); /* sync last event */
}
/* send pad data */
switch (features->type) {
- case WACOM_G4:
- if (data[7] & 0xf8) {
- if (penData) {
- wacom_input_sync(wcombo); /* sync last event */
- if (!wacom->id[0])
- penData = 0;
- }
+ case WACOM_G4:
+ prox = data[7] & 0xf8;
+ if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
- wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
- wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
+ input_report_key(input, BTN_0, (data[7] & 0x40));
+ input_report_key(input, BTN_4, (data[7] & 0x80));
rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
- wacom_report_rel(wcombo, REL_WHEEL, rw);
- wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
- } else if (wacom->id[1]) {
- if (penData) {
- wacom_input_sync(wcombo); /* sync last event */
- if (!wacom->id[0])
- penData = 0;
- }
- wacom->id[1] = 0;
- wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
- wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
- wacom_report_rel(wcombo, REL_WHEEL, 0);
- wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
- wacom_report_abs(wcombo, ABS_MISC, 0);
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+ input_report_rel(input, REL_WHEEL, rw);
+ input_report_key(input, BTN_TOOL_FINGER, 0xf0);
+ if (!prox)
+ wacom->id[1] = 0;
+ input_report_abs(input, ABS_MISC, wacom->id[1]);
+ input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
+ retval = 1;
}
break;
- case WACOM_MO:
- if ((data[7] & 0xf8) || (data[8] & 0xff)) {
- if (penData) {
- wacom_input_sync(wcombo); /* sync last event */
- if (!wacom->id[0])
- penData = 0;
- }
+
+ case WACOM_MO:
+ prox = (data[7] & 0xf8) || data[8];
+ if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
- wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
- wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
- wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
- wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
- wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
- wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
- } else if (wacom->id[1]) {
- if (penData) {
- wacom_input_sync(wcombo); /* sync last event */
- if (!wacom->id[0])
- penData = 0;
- }
- wacom->id[1] = 0;
- wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
- wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
- wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
- wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
- wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
- wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
- wacom_report_abs(wcombo, ABS_MISC, 0);
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+ input_report_key(input, BTN_0, (data[7] & 0x08));
+ input_report_key(input, BTN_1, (data[7] & 0x20));
+ input_report_key(input, BTN_4, (data[7] & 0x10));
+ input_report_key(input, BTN_5, (data[7] & 0x40));
+ input_report_abs(input, ABS_WHEEL, (data[8] & 0x7f));
+ input_report_key(input, BTN_TOOL_FINGER, 0xf0);
+ if (!prox)
+ wacom->id[1] = 0;
+ input_report_abs(input, ABS_MISC, wacom->id[1]);
+ input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
}
+ retval = 1;
break;
}
- return 1;
+exit:
+ return retval;
}
-static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
+static int wacom_intuos_inout(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
int idx = 0;
/* tool number */
@@ -316,64 +285,73 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
(data[6] << 4) + (data[7] >> 4);
wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);
+
switch (wacom->id[idx]) {
- case 0x812: /* Inking pen */
- case 0x801: /* Intuos3 Inking pen */
- case 0x20802: /* Intuos4 Classic Pen */
- case 0x012:
- wacom->tool[idx] = BTN_TOOL_PENCIL;
- break;
- case 0x822: /* Pen */
- case 0x842:
- case 0x852:
- case 0x823: /* Intuos3 Grip Pen */
- case 0x813: /* Intuos3 Classic Pen */
- case 0x885: /* Intuos3 Marker Pen */
- case 0x802: /* Intuos4 Grip Pen Eraser */
- case 0x804: /* Intuos4 Marker Pen */
- case 0x40802: /* Intuos4 Classic Pen */
- case 0x022:
- wacom->tool[idx] = BTN_TOOL_PEN;
- break;
- case 0x832: /* Stroke pen */
- case 0x032:
- wacom->tool[idx] = BTN_TOOL_BRUSH;
- break;
- case 0x007: /* Mouse 4D and 2D */
- case 0x09c:
- case 0x094:
- case 0x017: /* Intuos3 2D Mouse */
- case 0x806: /* Intuos4 Mouse */
- wacom->tool[idx] = BTN_TOOL_MOUSE;
- break;
- case 0x096: /* Lens cursor */
- case 0x097: /* Intuos3 Lens cursor */
- case 0x006: /* Intuos4 Lens cursor */
- wacom->tool[idx] = BTN_TOOL_LENS;
- break;
- case 0x82a: /* Eraser */
- case 0x85a:
- case 0x91a:
- case 0xd1a:
- case 0x0fa:
- case 0x82b: /* Intuos3 Grip Pen Eraser */
- case 0x81b: /* Intuos3 Classic Pen Eraser */
- case 0x91b: /* Intuos3 Airbrush Eraser */
- case 0x80c: /* Intuos4 Marker Pen Eraser */
- case 0x80a: /* Intuos4 Grip Pen Eraser */
- case 0x4080a: /* Intuos4 Classic Pen Eraser */
- case 0x90a: /* Intuos4 Airbrush Eraser */
- wacom->tool[idx] = BTN_TOOL_RUBBER;
- break;
- case 0xd12:
- case 0x912:
- case 0x112:
- case 0x913: /* Intuos3 Airbrush */
- case 0x902: /* Intuos4 Airbrush */
- wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
- break;
- default: /* Unknown tool */
- wacom->tool[idx] = BTN_TOOL_PEN;
+ case 0x812: /* Inking pen */
+ case 0x801: /* Intuos3 Inking pen */
+ case 0x20802: /* Intuos4 Classic Pen */
+ case 0x012:
+ wacom->tool[idx] = BTN_TOOL_PENCIL;
+ break;
+
+ case 0x822: /* Pen */
+ case 0x842:
+ case 0x852:
+ case 0x823: /* Intuos3 Grip Pen */
+ case 0x813: /* Intuos3 Classic Pen */
+ case 0x885: /* Intuos3 Marker Pen */
+ case 0x802: /* Intuos4 Grip Pen Eraser */
+ case 0x804: /* Intuos4 Marker Pen */
+ case 0x40802: /* Intuos4 Classic Pen */
+ case 0x022:
+ wacom->tool[idx] = BTN_TOOL_PEN;
+ break;
+
+ case 0x832: /* Stroke pen */
+ case 0x032:
+ wacom->tool[idx] = BTN_TOOL_BRUSH;
+ break;
+
+ case 0x007: /* Mouse 4D and 2D */
+ case 0x09c:
+ case 0x094:
+ case 0x017: /* Intuos3 2D Mouse */
+ case 0x806: /* Intuos4 Mouse */
+ wacom->tool[idx] = BTN_TOOL_MOUSE;
+ break;
+
+ case 0x096: /* Lens cursor */
+ case 0x097: /* Intuos3 Lens cursor */
+ case 0x006: /* Intuos4 Lens cursor */
+ wacom->tool[idx] = BTN_TOOL_LENS;
+ break;
+
+ case 0x82a: /* Eraser */
+ case 0x85a:
+ case 0x91a:
+ case 0xd1a:
+ case 0x0fa:
+ case 0x82b: /* Intuos3 Grip Pen Eraser */
+ case 0x81b: /* Intuos3 Classic Pen Eraser */
+ case 0x91b: /* Intuos3 Airbrush Eraser */
+ case 0x80c: /* Intuos4 Marker Pen Eraser */
+ case 0x80a: /* Intuos4 Grip Pen Eraser */
+ case 0x4080a: /* Intuos4 Classic Pen Eraser */
+ case 0x90a: /* Intuos4 Airbrush Eraser */
+ wacom->tool[idx] = BTN_TOOL_RUBBER;
+ break;
+
+ case 0xd12:
+ case 0x912:
+ case 0x112:
+ case 0x913: /* Intuos3 Airbrush */
+ case 0x902: /* Intuos4 Airbrush */
+ wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
+ break;
+
+ default: /* Unknown tool */
+ wacom->tool[idx] = BTN_TOOL_PEN;
+ break;
}
return 1;
}
@@ -384,41 +362,42 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
* Reset all states otherwise we lose the initial states
* when in-prox next time
*/
- wacom_report_abs(wcombo, ABS_X, 0);
- wacom_report_abs(wcombo, ABS_Y, 0);
- wacom_report_abs(wcombo, ABS_DISTANCE, 0);
- wacom_report_abs(wcombo, ABS_TILT_X, 0);
- wacom_report_abs(wcombo, ABS_TILT_Y, 0);
+ input_report_abs(input, ABS_X, 0);
+ input_report_abs(input, ABS_Y, 0);
+ input_report_abs(input, ABS_DISTANCE, 0);
+ input_report_abs(input, ABS_TILT_X, 0);
+ input_report_abs(input, ABS_TILT_Y, 0);
if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
- wacom_report_key(wcombo, BTN_LEFT, 0);
- wacom_report_key(wcombo, BTN_MIDDLE, 0);
- wacom_report_key(wcombo, BTN_RIGHT, 0);
- wacom_report_key(wcombo, BTN_SIDE, 0);
- wacom_report_key(wcombo, BTN_EXTRA, 0);
- wacom_report_abs(wcombo, ABS_THROTTLE, 0);
- wacom_report_abs(wcombo, ABS_RZ, 0);
+ input_report_key(input, BTN_LEFT, 0);
+ input_report_key(input, BTN_MIDDLE, 0);
+ input_report_key(input, BTN_RIGHT, 0);
+ input_report_key(input, BTN_SIDE, 0);
+ input_report_key(input, BTN_EXTRA, 0);
+ input_report_abs(input, ABS_THROTTLE, 0);
+ input_report_abs(input, ABS_RZ, 0);
} else {
- wacom_report_abs(wcombo, ABS_PRESSURE, 0);
- wacom_report_key(wcombo, BTN_STYLUS, 0);
- wacom_report_key(wcombo, BTN_STYLUS2, 0);
- wacom_report_key(wcombo, BTN_TOUCH, 0);
- wacom_report_abs(wcombo, ABS_WHEEL, 0);
+ input_report_abs(input, ABS_PRESSURE, 0);
+ input_report_key(input, BTN_STYLUS, 0);
+ input_report_key(input, BTN_STYLUS2, 0);
+ input_report_key(input, BTN_TOUCH, 0);
+ input_report_abs(input, ABS_WHEEL, 0);
if (features->type >= INTUOS3S)
- wacom_report_abs(wcombo, ABS_Z, 0);
+ input_report_abs(input, ABS_Z, 0);
}
- wacom_report_key(wcombo, wacom->tool[idx], 0);
- wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+ input_report_key(input, wacom->tool[idx], 0);
+ input_report_abs(input, ABS_MISC, 0); /* reset tool id */
+ input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
wacom->id[idx] = 0;
return 2;
}
return 0;
}
-static void wacom_intuos_general(struct wacom_wac *wacom, void *wcombo)
+static void wacom_intuos_general(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
unsigned int t;
/* general pen packet */
@@ -426,30 +405,30 @@ static void wacom_intuos_general(struct wacom_wac *wacom, void *wcombo)
t = (data[6] << 2) | ((data[7] >> 6) & 3);
if (features->type >= INTUOS4S && features->type <= INTUOS4L)
t = (t << 1) | (data[1] & 1);
- wacom_report_abs(wcombo, ABS_PRESSURE, t);
- wacom_report_abs(wcombo, ABS_TILT_X,
+ input_report_abs(input, ABS_PRESSURE, t);
+ input_report_abs(input, ABS_TILT_X,
((data[7] << 1) & 0x7e) | (data[8] >> 7));
- wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
- wacom_report_key(wcombo, BTN_STYLUS, data[1] & 2);
- wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 4);
- wacom_report_key(wcombo, BTN_TOUCH, t > 10);
+ input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
+ input_report_key(input, BTN_STYLUS, data[1] & 2);
+ input_report_key(input, BTN_STYLUS2, data[1] & 4);
+ input_report_key(input, BTN_TOUCH, t > 10);
}
/* airbrush second packet */
if ((data[1] & 0xbc) == 0xb4) {
- wacom_report_abs(wcombo, ABS_WHEEL,
+ input_report_abs(input, ABS_WHEEL,
(data[6] << 2) | ((data[7] >> 6) & 3));
- wacom_report_abs(wcombo, ABS_TILT_X,
+ input_report_abs(input, ABS_TILT_X,
((data[7] << 1) & 0x7e) | (data[8] >> 7));
- wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
+ input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
}
- return;
}
-static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_intuos_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
+ struct input_dev *input = wacom->input;
unsigned int t;
int idx = 0, result;
@@ -470,61 +449,61 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
wacom->tool[1] = BTN_TOOL_FINGER;
if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
- wacom_report_key(wcombo, BTN_0, (data[2] & 0x01));
- wacom_report_key(wcombo, BTN_1, (data[3] & 0x01));
- wacom_report_key(wcombo, BTN_2, (data[3] & 0x02));
- wacom_report_key(wcombo, BTN_3, (data[3] & 0x04));
- wacom_report_key(wcombo, BTN_4, (data[3] & 0x08));
- wacom_report_key(wcombo, BTN_5, (data[3] & 0x10));
- wacom_report_key(wcombo, BTN_6, (data[3] & 0x20));
+ input_report_key(input, BTN_0, (data[2] & 0x01));
+ input_report_key(input, BTN_1, (data[3] & 0x01));
+ input_report_key(input, BTN_2, (data[3] & 0x02));
+ input_report_key(input, BTN_3, (data[3] & 0x04));
+ input_report_key(input, BTN_4, (data[3] & 0x08));
+ input_report_key(input, BTN_5, (data[3] & 0x10));
+ input_report_key(input, BTN_6, (data[3] & 0x20));
if (data[1] & 0x80) {
- wacom_report_abs(wcombo, ABS_WHEEL, (data[1] & 0x7f));
+ input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
} else {
/* Out of proximity, clear wheel value. */
- wacom_report_abs(wcombo, ABS_WHEEL, 0);
+ input_report_abs(input, ABS_WHEEL, 0);
}
if (features->type != INTUOS4S) {
- wacom_report_key(wcombo, BTN_7, (data[3] & 0x40));
- wacom_report_key(wcombo, BTN_8, (data[3] & 0x80));
+ input_report_key(input, BTN_7, (data[3] & 0x40));
+ input_report_key(input, BTN_8, (data[3] & 0x80));
}
if (data[1] | (data[2] & 0x01) | data[3]) {
- wacom_report_key(wcombo, wacom->tool[1], 1);
- wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
+ input_report_key(input, wacom->tool[1], 1);
+ input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
} else {
- wacom_report_key(wcombo, wacom->tool[1], 0);
- wacom_report_abs(wcombo, ABS_MISC, 0);
+ input_report_key(input, wacom->tool[1], 0);
+ input_report_abs(input, ABS_MISC, 0);
}
} else {
- wacom_report_key(wcombo, BTN_0, (data[5] & 0x01));
- wacom_report_key(wcombo, BTN_1, (data[5] & 0x02));
- wacom_report_key(wcombo, BTN_2, (data[5] & 0x04));
- wacom_report_key(wcombo, BTN_3, (data[5] & 0x08));
- wacom_report_key(wcombo, BTN_4, (data[6] & 0x01));
- wacom_report_key(wcombo, BTN_5, (data[6] & 0x02));
- wacom_report_key(wcombo, BTN_6, (data[6] & 0x04));
- wacom_report_key(wcombo, BTN_7, (data[6] & 0x08));
- wacom_report_key(wcombo, BTN_8, (data[5] & 0x10));
- wacom_report_key(wcombo, BTN_9, (data[6] & 0x10));
- wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
- wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
+ input_report_key(input, BTN_0, (data[5] & 0x01));
+ input_report_key(input, BTN_1, (data[5] & 0x02));
+ input_report_key(input, BTN_2, (data[5] & 0x04));
+ input_report_key(input, BTN_3, (data[5] & 0x08));
+ input_report_key(input, BTN_4, (data[6] & 0x01));
+ input_report_key(input, BTN_5, (data[6] & 0x02));
+ input_report_key(input, BTN_6, (data[6] & 0x04));
+ input_report_key(input, BTN_7, (data[6] & 0x08));
+ input_report_key(input, BTN_8, (data[5] & 0x10));
+ input_report_key(input, BTN_9, (data[6] & 0x10));
+ input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
+ input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) |
data[2] | (data[3] & 0x1f) | data[4]) {
- wacom_report_key(wcombo, wacom->tool[1], 1);
- wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
+ input_report_key(input, wacom->tool[1], 1);
+ input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
} else {
- wacom_report_key(wcombo, wacom->tool[1], 0);
- wacom_report_abs(wcombo, ABS_MISC, 0);
+ input_report_key(input, wacom->tool[1], 0);
+ input_report_abs(input, ABS_MISC, 0);
}
}
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff);
+ input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
return 1;
}
/* process in/out prox events */
- result = wacom_intuos_inout(wacom, wcombo);
+ result = wacom_intuos_inout(wacom);
if (result)
- return result-1;
+ return result - 1;
/* don't proceed if we don't know the ID */
if (!wacom->id[idx])
@@ -545,17 +524,17 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
return 0;
if (features->type >= INTUOS3S) {
- wacom_report_abs(wcombo, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
- wacom_report_abs(wcombo, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
- wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
+ input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
+ input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
+ input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
} else {
- wacom_report_abs(wcombo, ABS_X, wacom_be16_to_cpu(&data[2]));
- wacom_report_abs(wcombo, ABS_Y, wacom_be16_to_cpu(&data[4]));
- wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
+ input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
+ input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
+ input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
}
/* process general packets */
- wacom_intuos_general(wacom, wcombo);
+ wacom_intuos_general(wacom);
/* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
@@ -567,174 +546,191 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
t = (data[6] << 3) | ((data[7] >> 5) & 7);
t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
((t-1) / 2 + 450)) : (450 - t / 2) ;
- wacom_report_abs(wcombo, ABS_Z, t);
+ input_report_abs(input, ABS_Z, t);
} else {
/* 4D mouse rotation packet */
t = (data[6] << 3) | ((data[7] >> 5) & 7);
- wacom_report_abs(wcombo, ABS_RZ, (data[7] & 0x20) ?
+ input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
((t - 1) / 2) : -t / 2);
}
} else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
/* 4D mouse packet */
- wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x01);
- wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
- wacom_report_key(wcombo, BTN_RIGHT, data[8] & 0x04);
+ input_report_key(input, BTN_LEFT, data[8] & 0x01);
+ input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
+ input_report_key(input, BTN_RIGHT, data[8] & 0x04);
- wacom_report_key(wcombo, BTN_SIDE, data[8] & 0x20);
- wacom_report_key(wcombo, BTN_EXTRA, data[8] & 0x10);
+ input_report_key(input, BTN_SIDE, data[8] & 0x20);
+ input_report_key(input, BTN_EXTRA, data[8] & 0x10);
t = (data[6] << 2) | ((data[7] >> 6) & 3);
- wacom_report_abs(wcombo, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
+ input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
} else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
/* I4 mouse */
if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
- wacom_report_key(wcombo, BTN_LEFT, data[6] & 0x01);
- wacom_report_key(wcombo, BTN_MIDDLE, data[6] & 0x02);
- wacom_report_key(wcombo, BTN_RIGHT, data[6] & 0x04);
- wacom_report_rel(wcombo, REL_WHEEL, ((data[7] & 0x80) >> 7)
+ input_report_key(input, BTN_LEFT, data[6] & 0x01);
+ input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
+ input_report_key(input, BTN_RIGHT, data[6] & 0x04);
+ input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
- ((data[7] & 0x40) >> 6));
- wacom_report_key(wcombo, BTN_SIDE, data[6] & 0x08);
- wacom_report_key(wcombo, BTN_EXTRA, data[6] & 0x10);
+ input_report_key(input, BTN_SIDE, data[6] & 0x08);
+ input_report_key(input, BTN_EXTRA, data[6] & 0x10);
- wacom_report_abs(wcombo, ABS_TILT_X,
+ input_report_abs(input, ABS_TILT_X,
((data[7] << 1) & 0x7e) | (data[8] >> 7));
- wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
+ input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
} else {
/* 2D mouse packet */
- wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x04);
- wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x08);
- wacom_report_key(wcombo, BTN_RIGHT, data[8] & 0x10);
- wacom_report_rel(wcombo, REL_WHEEL, (data[8] & 0x01)
+ input_report_key(input, BTN_LEFT, data[8] & 0x04);
+ input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
+ input_report_key(input, BTN_RIGHT, data[8] & 0x10);
+ input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
- ((data[8] & 0x02) >> 1));
/* I3 2D mouse side buttons */
if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
- wacom_report_key(wcombo, BTN_SIDE, data[8] & 0x40);
- wacom_report_key(wcombo, BTN_EXTRA, data[8] & 0x20);
+ input_report_key(input, BTN_SIDE, data[8] & 0x40);
+ input_report_key(input, BTN_EXTRA, data[8] & 0x20);
}
}
} else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
features->type == INTUOS4L) &&
wacom->tool[idx] == BTN_TOOL_LENS) {
/* Lens cursor packets */
- wacom_report_key(wcombo, BTN_LEFT, data[8] & 0x01);
- wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
- wacom_report_key(wcombo, BTN_RIGHT, data[8] & 0x04);
- wacom_report_key(wcombo, BTN_SIDE, data[8] & 0x10);
- wacom_report_key(wcombo, BTN_EXTRA, data[8] & 0x08);
+ input_report_key(input, BTN_LEFT, data[8] & 0x01);
+ input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
+ input_report_key(input, BTN_RIGHT, data[8] & 0x04);
+ input_report_key(input, BTN_SIDE, data[8] & 0x10);
+ input_report_key(input, BTN_EXTRA, data[8] & 0x08);
}
}
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */
- wacom_report_key(wcombo, wacom->tool[idx], 1);
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+ input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
+ input_report_key(input, wacom->tool[idx], 1);
+ input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
return 1;
}
-static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx)
+static void wacom_tpc_finger_in(struct wacom_wac *wacom, char *data, int idx)
{
- wacom_report_abs(wcombo, ABS_X,
- (data[2 + idx * 2] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8));
- wacom_report_abs(wcombo, ABS_Y,
- (data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8));
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
- wacom_report_key(wcombo, wacom->tool[idx], 1);
- if (idx)
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
- else
- wacom_report_key(wcombo, BTN_TOUCH, 1);
+ struct input_dev *input = wacom->input;
+ int finger = idx + 1;
+ int x = le16_to_cpup((__le16 *)&data[finger * 2]) & 0x7fff;
+ int y = le16_to_cpup((__le16 *)&data[4 + finger * 2]) & 0x7fff;
+
+ /*
+ * Work around input core suppressing "duplicate" events since
+ * we are abusing ABS_X/ABS_Y to transmit multi-finger data.
+ * This should go away once we switch to true multitouch
+ * protocol.
+ */
+ if (wacom->last_finger != finger) {
+ if (x == input->abs[ABS_X])
+ x++;
+
+ if (y == input->abs[ABS_Y])
+ y++;
+ }
+
+ input_report_abs(input, ABS_X, x);
+ input_report_abs(input, ABS_Y, y);
+ input_report_abs(input, ABS_MISC, wacom->id[0]);
+ input_report_key(input, wacom->tool[finger], 1);
+ if (!idx)
+ input_report_key(input, BTN_TOUCH, 1);
+ input_event(input, EV_MSC, MSC_SERIAL, finger);
+ input_sync(wacom->input);
+
+ wacom->last_finger = finger;
}
-static void wacom_tpc_touch_out(struct wacom_wac *wacom, void *wcombo, int idx)
+static void wacom_tpc_touch_out(struct wacom_wac *wacom, int idx)
{
- wacom_report_abs(wcombo, ABS_X, 0);
- wacom_report_abs(wcombo, ABS_Y, 0);
- wacom_report_abs(wcombo, ABS_MISC, 0);
- wacom_report_key(wcombo, wacom->tool[idx], 0);
- if (idx)
- wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
- else
- wacom_report_key(wcombo, BTN_TOUCH, 0);
- return;
+ struct input_dev *input = wacom->input;
+ int finger = idx + 1;
+
+ input_report_abs(input, ABS_X, 0);
+ input_report_abs(input, ABS_Y, 0);
+ input_report_abs(input, ABS_MISC, 0);
+ input_report_key(input, wacom->tool[finger], 0);
+ if (!idx)
+ input_report_key(input, BTN_TOUCH, 0);
+ input_event(input, EV_MSC, MSC_SERIAL, finger);
+ input_sync(input);
}
-static void wacom_tpc_touch_in(struct wacom_wac *wacom, void *wcombo)
+static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
{
char *data = wacom->data;
- struct urb *urb = ((struct wacom_combo *)wcombo)->urb;
- static int firstFinger = 0;
- static int secondFinger = 0;
+ struct input_dev *input = wacom->input;
- wacom->tool[0] = BTN_TOOL_DOUBLETAP;
+ wacom->tool[1] = BTN_TOOL_DOUBLETAP;
wacom->id[0] = TOUCH_DEVICE_ID;
- wacom->tool[1] = BTN_TOOL_TRIPLETAP;
+ wacom->tool[2] = BTN_TOOL_TRIPLETAP;
+
+ if (len != WACOM_PKGLEN_TPC1FG) {
- if (urb->actual_length != WACOM_PKGLEN_TPC1FG) {
switch (data[0]) {
- case WACOM_REPORT_TPC1FG:
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
- wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
- wacom_report_key(wcombo, BTN_TOUCH, wacom_le16_to_cpu(&data[6]));
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
- wacom_report_key(wcombo, wacom->tool[0], 1);
- break;
- case WACOM_REPORT_TPC2FG:
- /* keep this byte to send proper out-prox event */
- wacom->id[1] = data[1] & 0x03;
-
- if (data[1] & 0x01) {
- wacom_tpc_finger_in(wacom, wcombo, data, 0);
- firstFinger = 1;
- } else if (firstFinger) {
- wacom_tpc_touch_out(wacom, wcombo, 0);
- }
- if (data[1] & 0x02) {
- /* sync first finger data */
- if (firstFinger)
- wacom_input_sync(wcombo);
+ case WACOM_REPORT_TPC1FG:
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
+ input_report_key(input, BTN_TOUCH, le16_to_cpup((__le16 *)&data[6]));
+ input_report_abs(input, ABS_MISC, wacom->id[0]);
+ input_report_key(input, wacom->tool[1], 1);
+ input_sync(input);
+ break;
- wacom_tpc_finger_in(wacom, wcombo, data, 1);
- secondFinger = 1;
- } else if (secondFinger) {
- /* sync first finger data */
- if (firstFinger)
- wacom_input_sync(wcombo);
+ case WACOM_REPORT_TPC2FG:
+ if (data[1] & 0x01)
+ wacom_tpc_finger_in(wacom, data, 0);
+ else if (wacom->id[1] & 0x01)
+ wacom_tpc_touch_out(wacom, 0);
- wacom_tpc_touch_out(wacom, wcombo, 1);
- secondFinger = 0;
- }
- if (!(data[1] & 0x01))
- firstFinger = 0;
- break;
+ if (data[1] & 0x02)
+ wacom_tpc_finger_in(wacom, data, 1);
+ else if (wacom->id[1] & 0x02)
+ wacom_tpc_touch_out(wacom, 1);
+ break;
}
} else {
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
- wacom_report_key(wcombo, BTN_TOUCH, 1);
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
- wacom_report_key(wcombo, wacom->tool[0], 1);
+ input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
+ input_report_key(input, BTN_TOUCH, 1);
+ input_report_abs(input, ABS_MISC, wacom->id[1]);
+ input_report_key(input, wacom->tool[1], 1);
+ input_sync(input);
}
- return;
}
-static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
+static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
{
struct wacom_features *features = &wacom->features;
char *data = wacom->data;
- int prox = 0, pressure, idx = -1;
- static int stylusInProx, touchInProx = 1, touchOut;
- struct urb *urb = ((struct wacom_combo *)wcombo)->urb;
+ struct input_dev *input = wacom->input;
+ int prox = 0, pressure;
+ int retval = 0;
dbg("wacom_tpc_irq: received report #%d", data[0]);
- if (urb->actual_length == WACOM_PKGLEN_TPC1FG || /* single touch */
+ if (len == WACOM_PKGLEN_TPC1FG || /* single touch */
data[0] == WACOM_REPORT_TPC1FG || /* single touch */
data[0] == WACOM_REPORT_TPC2FG) { /* 2FG touch */
- if (urb->actual_length == WACOM_PKGLEN_TPC1FG) { /* with touch */
+
+ if (wacom->shared->stylus_in_proximity) {
+ if (wacom->id[1] & 0x01)
+ wacom_tpc_touch_out(wacom, 0);
+
+ if (wacom->id[1] & 0x02)
+ wacom_tpc_touch_out(wacom, 1);
+
+ wacom->id[1] = 0;
+ return 0;
+ }
+
+ if (len == WACOM_PKGLEN_TPC1FG) { /* with touch */
prox = data[0] & 0x01;
} else { /* with capacity */
if (data[0] == WACOM_REPORT_TPC1FG)
@@ -745,168 +741,264 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
prox = data[1] & 0x03;
}
- if (!stylusInProx) { /* stylus not in prox */
- if (prox) {
- if (touchInProx) {
- wacom_tpc_touch_in(wacom, wcombo);
- touchOut = 1;
- return 1;
- }
- } else {
+ if (prox) {
+ if (!wacom->id[1])
+ wacom->last_finger = 1;
+ wacom_tpc_touch_in(wacom, len);
+ } else {
+ if (data[0] == WACOM_REPORT_TPC2FG) {
/* 2FGT out-prox */
- if (data[0] == WACOM_REPORT_TPC2FG) {
- idx = (wacom->id[1] & 0x01) - 1;
- if (idx == 0) {
- wacom_tpc_touch_out(wacom, wcombo, idx);
- /* sync first finger event */
- if (wacom->id[1] & 0x02)
- wacom_input_sync(wcombo);
- }
- idx = (wacom->id[1] & 0x02) - 1;
- if (idx == 1)
- wacom_tpc_touch_out(wacom, wcombo, idx);
- } else /* one finger touch */
- wacom_tpc_touch_out(wacom, wcombo, 0);
- touchOut = 0;
- touchInProx = 1;
- return 1;
- }
- } else if (touchOut || !prox) { /* force touch out-prox */
- wacom_tpc_touch_out(wacom, wcombo, 0);
- touchOut = 0;
- touchInProx = 1;
- return 1;
+ if (wacom->id[1] & 0x01)
+ wacom_tpc_touch_out(wacom, 0);
+
+ if (wacom->id[1] & 0x02)
+ wacom_tpc_touch_out(wacom, 1);
+ } else
+ /* one finger touch */
+ wacom_tpc_touch_out(wacom, 0);
+
+ wacom->id[0] = 0;
}
+ /* keep prox bit to send proper out-prox event */
+ wacom->id[1] = prox;
} else if (data[0] == WACOM_REPORT_PENABLED) { /* Penabled */
prox = data[1] & 0x20;
- touchInProx = 0;
+ if (!wacom->shared->stylus_in_proximity) { /* first in prox */
+ /* Going into proximity select tool */
+ wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+ if (wacom->tool[0] == BTN_TOOL_PEN)
+ wacom->id[0] = STYLUS_DEVICE_ID;
+ else
+ wacom->id[0] = ERASER_DEVICE_ID;
- if (prox) { /* in prox */
- if (!wacom->id[0]) {
- /* Going into proximity select tool */
- wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- if (wacom->tool[0] == BTN_TOOL_PEN)
- wacom->id[0] = STYLUS_DEVICE_ID;
- else
- wacom->id[0] = ERASER_DEVICE_ID;
- }
- wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
- wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
- wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
- wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
- pressure = ((data[7] & 0x01) << 8) | data[6];
- if (pressure < 0)
- pressure = features->pressure_max + pressure + 1;
- wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
- wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
- } else {
- wacom_report_abs(wcombo, ABS_X, 0);
- wacom_report_abs(wcombo, ABS_Y, 0);
- wacom_report_abs(wcombo, ABS_PRESSURE, 0);
- wacom_report_key(wcombo, BTN_STYLUS, 0);
- wacom_report_key(wcombo, BTN_STYLUS2, 0);
- wacom_report_key(wcombo, BTN_TOUCH, 0);
+ wacom->shared->stylus_in_proximity = true;
+ }
+ input_report_key(input, BTN_STYLUS, data[1] & 0x02);
+ input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ pressure = ((data[7] & 0x01) << 8) | data[6];
+ if (pressure < 0)
+ pressure = features->pressure_max + pressure + 1;
+ input_report_abs(input, ABS_PRESSURE, pressure);
+ input_report_key(input, BTN_TOUCH, data[1] & 0x05);
+ if (!prox) { /* out-prox */
wacom->id[0] = 0;
- /* pen is out so touch can be enabled now */
- touchInProx = 1;
+ wacom->shared->stylus_in_proximity = false;
}
- wacom_report_key(wcombo, wacom->tool[0], prox);
- wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
- stylusInProx = prox;
- return 1;
+ input_report_key(input, wacom->tool[0], prox);
+ input_report_abs(input, ABS_MISC, wacom->id[0]);
+ retval = 1;
}
- return 0;
+ return retval;
}
-int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
+void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
{
+ bool sync;
+
switch (wacom_wac->features.type) {
- case PENPARTNER:
- return wacom_penpartner_irq(wacom_wac, wcombo);
-
- case PL:
- return wacom_pl_irq(wacom_wac, wcombo);
-
- case WACOM_G4:
- case GRAPHIRE:
- case WACOM_MO:
- return wacom_graphire_irq(wacom_wac, wcombo);
-
- case PTU:
- return wacom_ptu_irq(wacom_wac, wcombo);
-
- case INTUOS:
- case INTUOS3S:
- case INTUOS3:
- case INTUOS3L:
- case INTUOS4S:
- case INTUOS4:
- case INTUOS4L:
- case CINTIQ:
- case WACOM_BEE:
- return wacom_intuos_irq(wacom_wac, wcombo);
-
- case TABLETPC:
- case TABLETPC2FG:
- return wacom_tpc_irq(wacom_wac, wcombo);
-
- default:
- return 0;
+ case PENPARTNER:
+ sync = wacom_penpartner_irq(wacom_wac);
+ break;
+
+ case PL:
+ sync = wacom_pl_irq(wacom_wac);
+ break;
+
+ case WACOM_G4:
+ case GRAPHIRE:
+ case WACOM_MO:
+ sync = wacom_graphire_irq(wacom_wac);
+ break;
+
+ case PTU:
+ sync = wacom_ptu_irq(wacom_wac);
+ break;
+
+ case INTUOS:
+ case INTUOS3S:
+ case INTUOS3:
+ case INTUOS3L:
+ case INTUOS4S:
+ case INTUOS4:
+ case INTUOS4L:
+ case CINTIQ:
+ case WACOM_BEE:
+ sync = wacom_intuos_irq(wacom_wac);
+ break;
+
+ case TABLETPC:
+ case TABLETPC2FG:
+ sync = wacom_tpc_irq(wacom_wac, len);
+ break;
+
+ default:
+ sync = false;
+ break;
}
- return 0;
+
+ if (sync)
+ input_sync(wacom_wac->input);
+}
+
+static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
+{
+ struct input_dev *input_dev = wacom_wac->input;
+
+ input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
+ input_set_capability(input_dev, EV_REL, REL_WHEEL);
+
+ __set_bit(BTN_LEFT, input_dev->keybit);
+ __set_bit(BTN_RIGHT, input_dev->keybit);
+ __set_bit(BTN_MIDDLE, input_dev->keybit);
+ __set_bit(BTN_SIDE, input_dev->keybit);
+ __set_bit(BTN_EXTRA, input_dev->keybit);
+
+ __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
+ __set_bit(BTN_TOOL_PEN, input_dev->keybit);
+ __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
+ __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
+ __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
+ __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
+ __set_bit(BTN_TOOL_LENS, input_dev->keybit);
+ __set_bit(BTN_STYLUS, input_dev->keybit);
+ __set_bit(BTN_STYLUS2, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_DISTANCE,
+ 0, wacom_wac->features.distance_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
+ input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
+ input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
}
-void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+void wacom_setup_input_capabilities(struct input_dev *input_dev,
+ struct wacom_wac *wacom_wac)
{
+ struct wacom_features *features = &wacom_wac->features;
+ int i;
+
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+
+ __set_bit(BTN_TOUCH, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_X, 0, features->x_max, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, 4, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, 0, 0);
+
+ __set_bit(ABS_MISC, input_dev->absbit);
+
switch (wacom_wac->features.type) {
- case WACOM_MO:
- input_dev_mo(input_dev, wacom_wac);
- case WACOM_G4:
- input_dev_g4(input_dev, wacom_wac);
- /* fall through */
- case GRAPHIRE:
- input_dev_g(input_dev, wacom_wac);
- break;
- case WACOM_BEE:
- input_dev_bee(input_dev, wacom_wac);
- case INTUOS3:
- case INTUOS3L:
- case CINTIQ:
- input_dev_i3(input_dev, wacom_wac);
- /* fall through */
- case INTUOS3S:
- input_dev_i3s(input_dev, wacom_wac);
- /* fall through */
- case INTUOS:
- input_dev_i(input_dev, wacom_wac);
- break;
- case INTUOS4:
- case INTUOS4L:
- input_dev_i4(input_dev, wacom_wac);
- /* fall through */
- case INTUOS4S:
- input_dev_i4s(input_dev, wacom_wac);
- input_dev_i(input_dev, wacom_wac);
- break;
- case TABLETPC2FG:
- input_dev_tpc2fg(input_dev, wacom_wac);
- /* fall through */
- case TABLETPC:
- input_dev_tpc(input_dev, wacom_wac);
- if (wacom_wac->features.device_type != BTN_TOOL_PEN)
- break; /* no need to process stylus stuff */
-
- /* fall through */
- case PL:
- case PTU:
- input_dev_pl(input_dev, wacom_wac);
- /* fall through */
- case PENPARTNER:
- input_dev_pt(input_dev, wacom_wac);
- break;
+ case WACOM_MO:
+ __set_bit(BTN_1, input_dev->keybit);
+ __set_bit(BTN_5, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
+ /* fall through */
+
+ case WACOM_G4:
+ input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
+
+ __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+ __set_bit(BTN_0, input_dev->keybit);
+ __set_bit(BTN_4, input_dev->keybit);
+ /* fall through */
+
+ case GRAPHIRE:
+ input_set_capability(input_dev, EV_REL, REL_WHEEL);
+
+ __set_bit(BTN_LEFT, input_dev->keybit);
+ __set_bit(BTN_RIGHT, input_dev->keybit);
+ __set_bit(BTN_MIDDLE, input_dev->keybit);
+
+ __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
+ __set_bit(BTN_TOOL_PEN, input_dev->keybit);
+ __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
+ __set_bit(BTN_STYLUS, input_dev->keybit);
+ __set_bit(BTN_STYLUS2, input_dev->keybit);
+ break;
+
+ case WACOM_BEE:
+ __set_bit(BTN_8, input_dev->keybit);
+ __set_bit(BTN_9, input_dev->keybit);
+ /* fall through */
+
+ case INTUOS3:
+ case INTUOS3L:
+ case CINTIQ:
+ __set_bit(BTN_4, input_dev->keybit);
+ __set_bit(BTN_5, input_dev->keybit);
+ __set_bit(BTN_6, input_dev->keybit);
+ __set_bit(BTN_7, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
+ /* fall through */
+
+ case INTUOS3S:
+ __set_bit(BTN_0, input_dev->keybit);
+ __set_bit(BTN_1, input_dev->keybit);
+ __set_bit(BTN_2, input_dev->keybit);
+ __set_bit(BTN_3, input_dev->keybit);
+
+ __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
+ input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
+ /* fall through */
+
+ case INTUOS:
+ wacom_setup_intuos(wacom_wac);
+ break;
+
+ case INTUOS4:
+ case INTUOS4L:
+ __set_bit(BTN_7, input_dev->keybit);
+ __set_bit(BTN_8, input_dev->keybit);
+ /* fall through */
+
+ case INTUOS4S:
+ for (i = 0; i < 7; i++)
+ __set_bit(BTN_0 + i, input_dev->keybit);
+ __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
+ wacom_setup_intuos(wacom_wac);
+ break;
+
+ case TABLETPC2FG:
+ if (features->device_type == BTN_TOOL_TRIPLETAP) {
+ __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+ input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
+ }
+ /* fall through */
+
+ case TABLETPC:
+ if (features->device_type == BTN_TOOL_DOUBLETAP ||
+ features->device_type == BTN_TOOL_TRIPLETAP) {
+ input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
+ input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
+ __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
+ }
+
+ if (features->device_type != BTN_TOOL_PEN)
+ break; /* no need to process stylus stuff */
+
+ /* fall through */
+
+ case PL:
+ case PTU:
+ __set_bit(BTN_TOOL_PEN, input_dev->keybit);
+ __set_bit(BTN_STYLUS, input_dev->keybit);
+ __set_bit(BTN_STYLUS2, input_dev->keybit);
+ /* fall through */
+
+ case PENPARTNER:
+ __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
+ break;
}
- return;
}
static const struct wacom_features wacom_features_0x00 =
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index b50cf04e61a8..063f1af3204f 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -9,6 +9,8 @@
#ifndef WACOM_WAC_H
#define WACOM_WAC_H
+#include <linux/types.h>
+
/* maximum packet length for USB devices */
#define WACOM_PKGLEN_MAX 32
@@ -71,13 +73,20 @@ struct wacom_features {
unsigned char unitExpo;
};
+struct wacom_shared {
+ bool stylus_in_proximity;
+};
+
struct wacom_wac {
char name[64];
unsigned char *data;
- int tool[2];
- int id[2];
+ int tool[3];
+ int id[3];
__u32 serial[2];
+ int last_finger;
struct wacom_features features;
+ struct wacom_shared *shared;
+ struct input_dev *input;
};
#endif
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6c0f1712f55b..b9f58ca82fd1 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -119,6 +119,18 @@ config TOUCHSCREEN_DYNAPRO
To compile this driver as a module, choose M here: the
module will be called dynapro.
+config TOUCHSCREEN_HAMPSHIRE
+ tristate "Hampshire serial touchscreen"
+ select SERIO
+ help
+ Say Y here if you have a Hampshire serial touchscreen connected to
+ your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hampshire.
+
config TOUCHSCREEN_EETI
tristate "EETI touchscreen panel support"
depends on I2C
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 41145d074dec..8ad36eef90a2 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
obj-$(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) += atmel_tsadcc.o
obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
obj-$(CONFIG_TOUCHSCREEN_DYNAPRO) += dynapro.o
+obj-$(CONFIG_TOUCHSCREEN_HAMPSHIRE) += hampshire.o
obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o
obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o
diff --git a/drivers/input/touchscreen/hampshire.c b/drivers/input/touchscreen/hampshire.c
new file mode 100644
index 000000000000..2da6cc31bb21
--- /dev/null
+++ b/drivers/input/touchscreen/hampshire.c
@@ -0,0 +1,205 @@
+/*
+ * Hampshire serial touchscreen driver
+ *
+ * Copyright (c) 2010 Adam Bennett
+ * Based on the dynapro driver (c) Tias Guns
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+/*
+ * 2010/04/08 Adam Bennett <abennett72@gmail.com>
+ * Copied dynapro.c and edited for Hampshire 4-byte protocol
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/init.h>
+
+#define DRIVER_DESC "Hampshire serial touchscreen driver"
+
+MODULE_AUTHOR("Adam Bennett <abennett72@gmail.com>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+/*
+ * Definitions & global arrays.
+ */
+
+#define HAMPSHIRE_FORMAT_TOUCH_BIT 0x40
+#define HAMPSHIRE_FORMAT_LENGTH 4
+#define HAMPSHIRE_RESPONSE_BEGIN_BYTE 0x80
+
+#define HAMPSHIRE_MIN_XC 0
+#define HAMPSHIRE_MAX_XC 0x1000
+#define HAMPSHIRE_MIN_YC 0
+#define HAMPSHIRE_MAX_YC 0x1000
+
+#define HAMPSHIRE_GET_XC(data) (((data[3] & 0x0c) >> 2) | (data[1] << 2) | ((data[0] & 0x38) << 6))
+#define HAMPSHIRE_GET_YC(data) ((data[3] & 0x03) | (data[2] << 2) | ((data[0] & 0x07) << 9))
+#define HAMPSHIRE_GET_TOUCHED(data) (HAMPSHIRE_FORMAT_TOUCH_BIT & data[0])
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct hampshire {
+ struct input_dev *dev;
+ struct serio *serio;
+ int idx;
+ unsigned char data[HAMPSHIRE_FORMAT_LENGTH];
+ char phys[32];
+};
+
+static void hampshire_process_data(struct hampshire *phampshire)
+{
+ struct input_dev *dev = phampshire->dev;
+
+ if (HAMPSHIRE_FORMAT_LENGTH == ++phampshire->idx) {
+ input_report_abs(dev, ABS_X, HAMPSHIRE_GET_XC(phampshire->data));
+ input_report_abs(dev, ABS_Y, HAMPSHIRE_GET_YC(phampshire->data));
+ input_report_key(dev, BTN_TOUCH,
+ HAMPSHIRE_GET_TOUCHED(phampshire->data));
+ input_sync(dev);
+
+ phampshire->idx = 0;
+ }
+}
+
+static irqreturn_t hampshire_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct hampshire *phampshire = serio_get_drvdata(serio);
+
+ phampshire->data[phampshire->idx] = data;
+
+ if (HAMPSHIRE_RESPONSE_BEGIN_BYTE & phampshire->data[0])
+ hampshire_process_data(phampshire);
+ else
+ dev_dbg(&serio->dev, "unknown/unsynchronized data: %x\n",
+ phampshire->data[0]);
+
+ return IRQ_HANDLED;
+}
+
+static void hampshire_disconnect(struct serio *serio)
+{
+ struct hampshire *phampshire = serio_get_drvdata(serio);
+
+ input_get_device(phampshire->dev);
+ input_unregister_device(phampshire->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_put_device(phampshire->dev);
+ kfree(phampshire);
+}
+
+/*
+ * hampshire_connect() is the routine that is called when someone adds a
+ * new serio device that supports hampshire protocol and registers it as
+ * an input device. This is usually accomplished using inputattach.
+ */
+
+static int hampshire_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct hampshire *phampshire;
+ struct input_dev *input_dev;
+ int err;
+
+ phampshire = kzalloc(sizeof(struct hampshire), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!phampshire || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ phampshire->serio = serio;
+ phampshire->dev = input_dev;
+ snprintf(phampshire->phys, sizeof(phampshire->phys),
+ "%s/input0", serio->phys);
+
+ input_dev->name = "Hampshire Serial TouchScreen";
+ input_dev->phys = phampshire->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_HAMPSHIRE;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0001;
+ input_dev->dev.parent = &serio->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_abs_params(phampshire->dev, ABS_X,
+ HAMPSHIRE_MIN_XC, HAMPSHIRE_MAX_XC, 0, 0);
+ input_set_abs_params(phampshire->dev, ABS_Y,
+ HAMPSHIRE_MIN_YC, HAMPSHIRE_MAX_YC, 0, 0);
+
+ serio_set_drvdata(serio, phampshire);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(phampshire->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(phampshire);
+ return err;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static struct serio_device_id hampshire_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_HAMPSHIRE,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, hampshire_serio_ids);
+
+static struct serio_driver hampshire_drv = {
+ .driver = {
+ .name = "hampshire",
+ },
+ .description = DRIVER_DESC,
+ .id_table = hampshire_serio_ids,
+ .interrupt = hampshire_interrupt,
+ .connect = hampshire_connect,
+ .disconnect = hampshire_disconnect,
+};
+
+/*
+ * The functions for inserting/removing us as a module.
+ */
+
+static int __init hampshire_init(void)
+{
+ return serio_register_driver(&hampshire_drv);
+}
+
+static void __exit hampshire_exit(void)
+{
+ serio_unregister_driver(&hampshire_drv);
+}
+
+module_init(hampshire_init);
+module_exit(hampshire_exit);
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index be23780e8a3e..769b479fcaa6 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -347,6 +347,8 @@ static int __devexit tsc2007_remove(struct i2c_client *client)
struct tsc2007 *ts = i2c_get_clientdata(client);
struct tsc2007_platform_data *pdata = client->dev.platform_data;
+ i2c_set_clientdata(client, NULL);
+
tsc2007_free_irq(ts);
if (pdata->exit_platform_hw)
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 99330bbdbac7..0b0ae2e17a60 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -811,12 +811,11 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
priv = usbtouch->priv;
- priv->ack_buf = kmalloc(sizeof(nexio_ack_pkt), GFP_KERNEL);
+ priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt),
+ GFP_KERNEL);
if (!priv->ack_buf)
goto err_priv;
- memcpy(priv->ack_buf, nexio_ack_pkt, sizeof(nexio_ack_pkt));
-
priv->ack = usb_alloc_urb(0, GFP_KERNEL);
if (!priv->ack) {
dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__);
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 5109bf3dd858..cbfef1ea7e30 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -200,7 +200,7 @@ void wm97xx_set_gpio(struct wm97xx *wm, u32 gpio,
mutex_lock(&wm->codec_mutex);
reg = wm97xx_reg_read(wm, AC97_GPIO_STATUS);
- if (status & WM97XX_GPIO_HIGH)
+ if (status == WM97XX_GPIO_HIGH)
reg |= gpio;
else
reg &= ~gpio;