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V4L/DVB (4961): Add support for the ASUS P7131 remote control

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Besides adding the board specific code, this patch moves
the RC5 decoding code from bt8xx to ir-functions.c to make it available 
for all drivers.

Signed-off-by: Marc Fargas <telenieko.telenieko.com>
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hermann Pitton 2006-12-07 21:45:28 -03:00 committed by Mauro Carvalho Chehab
parent c8f71b01a5
commit 9160723ed6
9 changed files with 315 additions and 172 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

110
drivers/media/common/ir-functions.c
View File

@ -256,6 +256,112 @@ int ir_decode_biphase(u32 *samples, int count, int low, int high)
return value;
}
/* RC5 decoding stuff, moved from bttv-input.c to share it with
* saa7134 */
/* decode raw bit pattern to RC5 code */
u32 ir_rc5_decode(unsigned int code)
{
unsigned int org_code = code;
unsigned int pair;
unsigned int rc5 = 0;
int i;
for (i = 0; i < 14; ++i) {
pair = code & 0x3;
code >>= 2;
rc5 <<= 1;
switch (pair) {
case 0:
case 2:
break;
case 1:
rc5 |= 1;
break;
case 3:
dprintk(1, "ir-common: ir_rc5_decode(%x) bad code\n", org_code);
return 0;
}
}
dprintk(1, "ir-common: code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
"instr=%x\n", rc5, org_code, RC5_START(rc5),
RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
return rc5;
}
void ir_rc5_timer_end(unsigned long data)
{
struct card_ir *ir = (struct card_ir *)data;
struct timeval tv;
unsigned long current_jiffies, timeout;
u32 gap;
u32 rc5 = 0;
/* get time */
current_jiffies = jiffies;
do_gettimeofday(&tv);
/* avoid overflow with gap >1s */
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
gap = 200000;
} else {
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
tv.tv_usec - ir->base_time.tv_usec;
}
/* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */
if (gap < 28000) {
dprintk(1, "ir-common: spurious timer_end\n");
return;
}
ir->active = 0;
if (ir->last_bit < 20) {
/* ignore spurious codes (caused by light/other remotes) */
dprintk(1, "ir-common: short code: %x\n", ir->code);
} else {
ir->code = (ir->code << ir->shift_by) | 1;
rc5 = ir_rc5_decode(ir->code);
/* two start bits? */
if (RC5_START(rc5) != ir->start) {
dprintk(1, "ir-common: rc5 start bits invalid: %u\n", RC5_START(rc5));
/* right address? */
} else if (RC5_ADDR(rc5) == ir->addr) {
u32 toggle = RC5_TOGGLE(rc5);
u32 instr = RC5_INSTR(rc5);
/* Good code, decide if repeat/repress */
if (toggle != RC5_TOGGLE(ir->last_rc5) ||
instr != RC5_INSTR(ir->last_rc5)) {
dprintk(1, "ir-common: instruction %x, toggle %x\n", instr,
toggle);
ir_input_nokey(ir->dev, &ir->ir);
ir_input_keydown(ir->dev, &ir->ir, instr,
instr);
}
/* Set/reset key-up timer */
timeout = current_jiffies + (500 + ir->rc5_key_timeout
* HZ) / 1000;
mod_timer(&ir->timer_keyup, timeout);
/* Save code for repeat test */
ir->last_rc5 = rc5;
}
}
}
void ir_rc5_timer_keyup(unsigned long data)
{
struct card_ir *ir = (struct card_ir *)data;
dprintk(1, "ir-common: key released\n");
ir_input_nokey(ir->dev, &ir->ir);
}
EXPORT_SYMBOL_GPL(ir_input_init);
EXPORT_SYMBOL_GPL(ir_input_nokey);
EXPORT_SYMBOL_GPL(ir_input_keydown);
@ -265,6 +371,10 @@ EXPORT_SYMBOL_GPL(ir_dump_samples);
EXPORT_SYMBOL_GPL(ir_decode_biphase);
EXPORT_SYMBOL_GPL(ir_decode_pulsedistance);
EXPORT_SYMBOL_GPL(ir_rc5_decode);
EXPORT_SYMBOL_GPL(ir_rc5_timer_end);
EXPORT_SYMBOL_GPL(ir_rc5_timer_keyup);
/*
* Local variables:
* c-basic-offset: 8

54
drivers/media/common/ir-keymaps.c
View File

@ -1606,3 +1606,57 @@ IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE] = {
};
EXPORT_SYMBOL_GPL(ir_codes_budget_ci_old);
/*
* Marc Fargas <telenieko@telenieko.com>
* this is the remote control that comes with the asus p7131
* which has a label saying is "Model PC-39"
*/
IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE] = {
/* Keys 0 to 9 */
[ 0x15 ] = KEY_0,
[ 0x29 ] = KEY_1,
[ 0x2d ] = KEY_2,
[ 0x2b ] = KEY_3,
[ 0x09 ] = KEY_4,
[ 0x0d ] = KEY_5,
[ 0x0b ] = KEY_6,
[ 0x31 ] = KEY_7,
[ 0x35 ] = KEY_8,
[ 0x33 ] = KEY_9,
[ 0x3e ] = KEY_RADIO, /* radio */
[ 0x03 ] = KEY_MENU, /* dvd/menu */
[ 0x2a ] = KEY_VOLUMEUP,
[ 0x19 ] = KEY_VOLUMEDOWN,
[ 0x37 ] = KEY_UP,
[ 0x3b ] = KEY_DOWN,
[ 0x27 ] = KEY_LEFT,
[ 0x2f ] = KEY_RIGHT,
[ 0x25 ] = KEY_VIDEO, /* video */
[ 0x39 ] = KEY_AUDIO, /* music */
[ 0x21 ] = KEY_TV, /* tv */
[ 0x1d ] = KEY_EXIT, /* back */
[ 0x0a ] = KEY_CHANNELUP, /* channel / program + */
[ 0x1b ] = KEY_CHANNELDOWN, /* channel / program - */
[ 0x1a ] = KEY_ENTER, /* enter */
[ 0x06 ] = KEY_PAUSE, /* play/pause */
[ 0x1e ] = KEY_PREVIOUS, /* rew */
[ 0x26 ] = KEY_NEXT, /* forward */
[ 0x0e ] = KEY_REWIND, /* backward << */
[ 0x3a ] = KEY_FASTFORWARD, /* forward >> */
[ 0x36 ] = KEY_STOP,
[ 0x2e ] = KEY_RECORD, /* recording */
[ 0x16 ] = KEY_POWER, /* the button that reads "close" */
[ 0x11 ] = KEY_ZOOM, /* full screen */
[ 0x13 ] = KEY_MACRO, /* recall */
[ 0x23 ] = KEY_HOME, /* home */
[ 0x05 ] = KEY_PVR, /* picture */
[ 0x3d ] = KEY_MUTE, /* mute */
[ 0x01 ] = KEY_DVD, /* dvd */
};
EXPORT_SYMBOL_GPL(ir_codes_asus_pc39);

143
drivers/media/video/bt8xx/bttv-input.c
View File

@ -36,13 +36,18 @@ module_param(repeat_delay, int, 0644);
static int repeat_period = 33;
module_param(repeat_period, int, 0644);
int ir_rc5_remote_gap = 885;
module_param(ir_rc5_remote_gap, int, 0644);
int ir_rc5_key_timeout = 200;
module_param(ir_rc5_key_timeout, int, 0644);
#define DEVNAME "bttv-input"
/* ---------------------------------------------------------------------- */
static void ir_handle_key(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
struct card_ir *ir = btv->remote;
u32 gpio,data;
/* read gpio value */
@ -72,7 +77,7 @@ static void ir_handle_key(struct bttv *btv)
void bttv_input_irq(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
struct card_ir *ir = btv->remote;
if (!ir->polling)
ir_handle_key(btv);
@ -81,7 +86,7 @@ void bttv_input_irq(struct bttv *btv)
static void bttv_input_timer(unsigned long data)
{
struct bttv *btv = (struct bttv*)data;
struct bttv_ir *ir = btv->remote;
struct card_ir *ir = btv->remote;
unsigned long timeout;
ir_handle_key(btv);
@ -91,51 +96,9 @@ static void bttv_input_timer(unsigned long data)
/* ---------------------------------------------------------------*/
static int rc5_remote_gap = 885;
module_param(rc5_remote_gap, int, 0644);
static int rc5_key_timeout = 200;
module_param(rc5_key_timeout, int, 0644);
#define RC5_START(x) (((x)>>12)&3)
#define RC5_TOGGLE(x) (((x)>>11)&1)
#define RC5_ADDR(x) (((x)>>6)&31)
#define RC5_INSTR(x) ((x)&63)
/* decode raw bit pattern to RC5 code */
static u32 rc5_decode(unsigned int code)
{
unsigned int org_code = code;
unsigned int pair;
unsigned int rc5 = 0;
int i;
code = (code << 1) | 1;
for (i = 0; i < 14; ++i) {
pair = code & 0x3;
code >>= 2;
rc5 <<= 1;
switch (pair) {
case 0:
case 2:
break;
case 1:
rc5 |= 1;
break;
case 3:
dprintk(KERN_WARNING "bad code: %x\n", org_code);
return 0;
}
}
dprintk(KERN_WARNING "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
"instr=%x\n", rc5, org_code, RC5_START(rc5),
RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
return rc5;
}
static int bttv_rc5_irq(struct bttv *btv)
{
struct bttv_ir *ir = btv->remote;
struct card_ir *ir = btv->remote;
struct timeval tv;
u32 gpio;
u32 gap;
@ -165,8 +128,8 @@ static int bttv_rc5_irq(struct bttv *btv)
/* only if in the code (otherwise spurious IRQ or timer
late) */
if (ir->last_bit < 28) {
ir->last_bit = (gap - rc5_remote_gap / 2) /
rc5_remote_gap;
ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
ir_rc5_remote_gap;
ir->code |= 1 << ir->last_bit;
}
/* starting new code */
@ -186,80 +149,9 @@ static int bttv_rc5_irq(struct bttv *btv)
return 1;
}
static void bttv_rc5_timer_end(unsigned long data)
{
struct bttv_ir *ir = (struct bttv_ir *)data;
struct timeval tv;
unsigned long current_jiffies, timeout;
u32 gap;
/* get time */
current_jiffies = jiffies;
do_gettimeofday(&tv);
/* avoid overflow with gap >1s */
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
gap = 200000;
} else {
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
tv.tv_usec - ir->base_time.tv_usec;
}
/* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */
if (gap < 28000) {
dprintk(KERN_WARNING "spurious timer_end\n");
return;
}
ir->active = 0;
if (ir->last_bit < 20) {
/* ignore spurious codes (caused by light/other remotes) */
dprintk(KERN_WARNING "short code: %x\n", ir->code);
} else {
u32 rc5 = rc5_decode(ir->code);
/* two start bits? */
if (RC5_START(rc5) != 3) {
dprintk(KERN_WARNING "rc5 start bits invalid: %u\n", RC5_START(rc5));
/* right address? */
} else if (RC5_ADDR(rc5) == 0x0) {
u32 toggle = RC5_TOGGLE(rc5);
u32 instr = RC5_INSTR(rc5);
/* Good code, decide if repeat/repress */
if (toggle != RC5_TOGGLE(ir->last_rc5) ||
instr != RC5_INSTR(ir->last_rc5)) {
dprintk(KERN_WARNING "instruction %x, toggle %x\n", instr,
toggle);
ir_input_nokey(ir->dev, &ir->ir);
ir_input_keydown(ir->dev, &ir->ir, instr,
instr);
}
/* Set/reset key-up timer */
timeout = current_jiffies + (500 + rc5_key_timeout
* HZ) / 1000;
mod_timer(&ir->timer_keyup, timeout);
/* Save code for repeat test */
ir->last_rc5 = rc5;
}
}
}
static void bttv_rc5_timer_keyup(unsigned long data)
{
struct bttv_ir *ir = (struct bttv_ir *)data;
dprintk(KERN_DEBUG "key released\n");
ir_input_nokey(ir->dev, &ir->ir);
}
/* ---------------------------------------------------------------------- */
static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
static void bttv_ir_start(struct bttv *btv, struct card_ir *ir)
{
if (ir->polling) {
init_timer(&ir->timer);
@ -270,12 +162,17 @@ static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
} else if (ir->rc5_gpio) {
/* set timer_end for code completion */
init_timer(&ir->timer_end);
ir->timer_end.function = bttv_rc5_timer_end;
ir->timer_end.function = ir_rc5_timer_end;
ir->timer_end.data = (unsigned long)ir;
init_timer(&ir->timer_keyup);
ir->timer_keyup.function = bttv_rc5_timer_keyup;
ir->timer_keyup.function = ir_rc5_timer_keyup;
ir->timer_keyup.data = (unsigned long)ir;
ir->shift_by = 1;
ir->start = 3;
ir->addr = 0x0;
ir->rc5_key_timeout = ir_rc5_key_timeout;
ir->rc5_remote_gap = ir_rc5_remote_gap;
}
}
@ -299,7 +196,7 @@ static void bttv_ir_stop(struct bttv *btv)
int bttv_input_init(struct bttv *btv)
{
struct bttv_ir *ir;
struct card_ir *ir;
IR_KEYTAB_TYPE *ir_codes = NULL;
struct input_dev *input_dev;
int ir_type = IR_TYPE_OTHER;

27
drivers/media/video/bt8xx/bttv.h
View File

@ -197,33 +197,6 @@ struct bttv_core {
struct bttv;
struct bttv_ir {
struct input_dev *dev;
struct ir_input_state ir;
char name[32];
char phys[32];
/* Usual gpio signalling */
u32 mask_keycode;
u32 mask_keydown;
u32 mask_keyup;
u32 polling;
u32 last_gpio;
struct work_struct work;
struct timer_list timer;
/* RC5 gpio */
u32 rc5_gpio;
struct timer_list timer_end; /* timer_end for code completion */
struct timer_list timer_keyup; /* timer_end for key release */
u32 last_rc5; /* last good rc5 code */
u32 last_bit; /* last raw bit seen */
u32 code; /* raw code under construction */
struct timeval base_time; /* time of last seen code */
int active; /* building raw code */
};
struct tvcard
{
char *name;

2
drivers/media/video/bt8xx/bttvp.h
View File

@ -308,7 +308,7 @@ struct bttv {
/* infrared remote */
int has_remote;
struct bttv_ir *remote;
struct card_ir *remote;
/* locking */
spinlock_t s_lock;

1
drivers/media/video/saa7134/saa7134-cards.c
View File

@ -3926,6 +3926,7 @@ int saa7134_board_init1(struct saa7134_dev *dev)
case SAA7134_BOARD_KWORLD_TERMINATOR:
case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
case SAA7134_BOARD_FLYDVBT_LR301:
case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
case SAA7134_BOARD_FLYDVBTDUO:
case SAA7134_BOARD_PROTEUS_2309:
case SAA7134_BOARD_AVERMEDIA_A16AR:

86
drivers/media/video/saa7134/saa7134-input.c
View File

@ -40,16 +40,24 @@ static int pinnacle_remote = 0;
module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
int ir_rc5_remote_gap = 885;
module_param(ir_rc5_remote_gap, int, 0644);
int ir_rc5_key_timeout = 115;
module_param(ir_rc5_key_timeout, int, 0644);
#define dprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
#define i2cdprintk(fmt, arg...) if (ir_debug) \
printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)
/** rc5 functions */
static int saa7134_rc5_irq(struct saa7134_dev *dev);
/* -------------------- GPIO generic keycode builder -------------------- */
static int build_key(struct saa7134_dev *dev)
{
struct saa7134_ir *ir = dev->remote;
struct card_ir *ir = dev->remote;
u32 gpio, data;
/* rising SAA7134_GPIO_GPRESCAN reads the status */
@ -134,16 +142,19 @@ static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
void saa7134_input_irq(struct saa7134_dev *dev)
{
struct saa7134_ir *ir = dev->remote;
struct card_ir *ir = dev->remote;
if (!ir->polling)
if (!ir->polling && !ir->rc5_gpio) {
build_key(dev);
} else if (ir->rc5_gpio) {
saa7134_rc5_irq(dev);
}
}
static void saa7134_input_timer(unsigned long data)
{
struct saa7134_dev *dev = (struct saa7134_dev*)data;
struct saa7134_ir *ir = dev->remote;
struct card_ir *ir = dev->remote;
unsigned long timeout;
build_key(dev);
@ -151,7 +162,7 @@ static void saa7134_input_timer(unsigned long data)
mod_timer(&ir->timer, timeout);
}
static void saa7134_ir_start(struct saa7134_dev *dev, struct saa7134_ir *ir)
static void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
{
if (ir->polling) {
init_timer(&ir->timer);
@ -159,6 +170,19 @@ static void saa7134_ir_start(struct saa7134_dev *dev, struct saa7134_ir *ir)
ir->timer.data = (unsigned long)dev;
ir->timer.expires = jiffies + HZ;
add_timer(&ir->timer);
} else if (ir->rc5_gpio) {
/* set timer_end for code completion */
init_timer(&ir->timer_end);
ir->timer_end.function = ir_rc5_timer_end;
ir->timer_end.data = (unsigned long)ir;
init_timer(&ir->timer_keyup);
ir->timer_keyup.function = ir_rc5_timer_keyup;
ir->timer_keyup.data = (unsigned long)ir;
ir->shift_by = 2;
ir->start = 0x2;
ir->addr = 0x17;
ir->rc5_key_timeout = ir_rc5_key_timeout;
ir->rc5_remote_gap = ir_rc5_remote_gap;
}
}
@ -170,13 +194,14 @@ static void saa7134_ir_stop(struct saa7134_dev *dev)
int saa7134_input_init1(struct saa7134_dev *dev)
{
struct saa7134_ir *ir;
struct card_ir *ir;
struct input_dev *input_dev;
IR_KEYTAB_TYPE *ir_codes = NULL;
u32 mask_keycode = 0;
u32 mask_keydown = 0;
u32 mask_keyup = 0;
int polling = 0;
int rc5_gpio = 0;
int ir_type = IR_TYPE_OTHER;
int err;
@ -295,6 +320,11 @@ int saa7134_input_init1(struct saa7134_dev *dev)
mask_keycode = 0x0001F00;
mask_keydown = 0x0040000;
break;
case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
ir_codes = ir_codes_asus_pc39;
mask_keydown = 0x0040000;
rc5_gpio = 1;
break;
}
if (NULL == ir_codes) {
printk("%s: Oops: IR config error [card=%d]\n",
@ -316,6 +346,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
ir->mask_keydown = mask_keydown;
ir->mask_keyup = mask_keyup;
ir->polling = polling;
ir->rc5_gpio = rc5_gpio;
/* init input device */
snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
@ -402,6 +433,49 @@ void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
}
}
static int saa7134_rc5_irq(struct saa7134_dev *dev)
{
struct card_ir *ir = dev->remote;
struct timeval tv;
u32 gap;
unsigned long current_jiffies, timeout;
/* get time of bit */
current_jiffies = jiffies;
do_gettimeofday(&tv);
/* avoid overflow with gap >1s */
if (tv.tv_sec - ir->base_time.tv_sec > 1) {
gap = 200000;
} else {
gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
tv.tv_usec - ir->base_time.tv_usec;
}
/* active code => add bit */
if (ir->active) {
/* only if in the code (otherwise spurious IRQ or timer
late) */
if (ir->last_bit < 28) {
ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
ir_rc5_remote_gap;
ir->code |= 1 << ir->last_bit;
}
/* starting new code */
} else {
ir->active = 1;
ir->code = 0;
ir->base_time = tv;
ir->last_bit = 0;
timeout = current_jiffies + (500 + 30 * HZ) / 1000;
mod_timer(&ir->timer_end, timeout);
}
return 1;
}
/* ----------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8

17
drivers/media/video/saa7134/saa7134.h
View File

@ -411,20 +411,6 @@ struct saa7134_dmasound {
struct snd_pcm_substream *substream;
};
/* IR input */
struct saa7134_ir {
struct input_dev *dev;
struct ir_input_state ir;
char name[32];
char phys[32];
u32 mask_keycode;
u32 mask_keydown;
u32 mask_keyup;
int polling;
u32 last_gpio;
struct timer_list timer;
};
/* ts/mpeg status */
struct saa7134_ts {
/* TS capture */
@ -463,7 +449,7 @@ struct saa7134_dev {
/* infrared remote */
int has_remote;
struct saa7134_ir *remote;
struct card_ir *remote;
/* pci i/o */
char name[32];
@ -698,6 +684,7 @@ void saa7134_input_fini(struct saa7134_dev *dev);
void saa7134_input_irq(struct saa7134_dev *dev);
void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir);
/*
* Local variables:
* c-basic-offset: 8

47
include/media/ir-common.h
View File

@ -36,6 +36,14 @@
#define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
? tab[code] : KEY_RESERVED)
extern int ir_rc5_remote_gap;
extern int ir_rc5_key_timeout;
#define RC5_START(x) (((x)>>12)&3)
#define RC5_TOGGLE(x) (((x)>>11)&1)
#define RC5_ADDR(x) (((x)>>6)&31)
#define RC5_INSTR(x) ((x)&63)
struct ir_input_state {
/* configuration */
int ir_type;
@ -48,6 +56,40 @@ struct ir_input_state {
int keypressed; /* current state */
};
/* this was saa7134_ir and bttv_ir, moved here for
* rc5 decoding. */
struct card_ir {
struct input_dev *dev;
struct ir_input_state ir;
char name[32];
char phys[32];
/* Usual gpio signalling */
u32 mask_keycode;
u32 mask_keydown;
u32 mask_keyup;
u32 polling;
u32 last_gpio;
int shift_by;
int start; // What should RC5_START() be
int addr; // What RC5_ADDR() should be.
int rc5_key_timeout;
int rc5_remote_gap;
struct work_struct work;
struct timer_list timer;
/* RC5 gpio */
u32 rc5_gpio;
struct timer_list timer_end; /* timer_end for code completion */
struct timer_list timer_keyup; /* timer_end for key release */
u32 last_rc5; /* last good rc5 code */
u32 last_bit; /* last raw bit seen */
u32 code; /* raw code under construction */
struct timeval base_time; /* time of last seen code */
int active; /* building raw code */
};
void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
int ir_type, IR_KEYTAB_TYPE *ir_codes);
void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
@ -58,6 +100,10 @@ int ir_dump_samples(u32 *samples, int count);
int ir_decode_biphase(u32 *samples, int count, int low, int high);
int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
u32 ir_rc5_decode(unsigned int code);
void ir_rc5_timer_end(unsigned long data);
void ir_rc5_timer_keyup(unsigned long data);
/* Keymaps to be used by other modules */
extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
@ -94,6 +140,7 @@ extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
#endif