/*
- * $Id: ir-common.c,v 1.5 2004/11/07 13:17:15 kraxel Exp $
*
* some common structs and functions to handle infrared remotes via
* input layer ...
*/
#include <linux/module.h>
-
+#include <linux/moduleparam.h>
+#include <linux/string.h>
#include <media/ir-common.h>
/* -------------------------------------------------------------------------- */
/* generic RC5 keytable */
/* see http://users.pandora.be/nenya/electronics/rc5/codes00.htm */
+/* used by old (black) Hauppauge remotes */
IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE] = {
- [ 0x00 ] = KEY_KP0, // 0
- [ 0x01 ] = KEY_KP1, // 1
- [ 0x02 ] = KEY_KP2, // 2
- [ 0x03 ] = KEY_KP3, // 3
- [ 0x04 ] = KEY_KP4, // 4
- [ 0x05 ] = KEY_KP5, // 5
- [ 0x06 ] = KEY_KP6, // 6
- [ 0x07 ] = KEY_KP7, // 7
- [ 0x08 ] = KEY_KP8, // 8
- [ 0x09 ] = KEY_KP9, // 9
-
- [ 0x0b ] = KEY_CHANNEL, // channel / program (japan: 11)
- [ 0x0c ] = KEY_POWER, // standby
- [ 0x0d ] = KEY_MUTE, // mute / demute
- [ 0x0f ] = KEY_TV, // display
- [ 0x10 ] = KEY_VOLUMEUP, // volume +
- [ 0x11 ] = KEY_VOLUMEDOWN, // volume -
- [ 0x12 ] = KEY_BRIGHTNESSUP, // brightness +
- [ 0x13 ] = KEY_BRIGHTNESSDOWN, // brightness -
- [ 0x1e ] = KEY_SEARCH, // search +
- [ 0x20 ] = KEY_CHANNELUP, // channel / program +
- [ 0x21 ] = KEY_CHANNELDOWN, // channel / program -
- [ 0x22 ] = KEY_CHANNEL, // alt / channel
- [ 0x23 ] = KEY_LANGUAGE, // 1st / 2nd language
- [ 0x26 ] = KEY_SLEEP, // sleeptimer
- [ 0x2e ] = KEY_MENU, // 2nd controls (USA: menu)
- [ 0x30 ] = KEY_PAUSE, // pause
- [ 0x32 ] = KEY_REWIND, // rewind
- [ 0x33 ] = KEY_GOTO, // go to
- [ 0x35 ] = KEY_PLAY, // play
- [ 0x36 ] = KEY_STOP, // stop
- [ 0x37 ] = KEY_RECORD, // recording
- [ 0x3c ] = KEY_TEXT, // teletext submode (Japan: 12)
- [ 0x3d ] = KEY_SUSPEND, // system standby
-
-#if 0 /* FIXME */
- [ 0x0a ] = KEY_RESERVED, // 1/2/3 digits (japan: 10)
- [ 0x0e ] = KEY_RESERVED, // P.P. (personal preference)
- [ 0x14 ] = KEY_RESERVED, // colour saturation +
- [ 0x15 ] = KEY_RESERVED, // colour saturation -
- [ 0x16 ] = KEY_RESERVED, // bass +
- [ 0x17 ] = KEY_RESERVED, // bass -
- [ 0x18 ] = KEY_RESERVED, // treble +
- [ 0x19 ] = KEY_RESERVED, // treble -
- [ 0x1a ] = KEY_RESERVED, // balance right
- [ 0x1b ] = KEY_RESERVED, // balance left
- [ 0x1c ] = KEY_RESERVED, // contrast +
- [ 0x1d ] = KEY_RESERVED, // contrast -
- [ 0x1f ] = KEY_RESERVED, // tint/hue +
- [ 0x24 ] = KEY_RESERVED, // spacial stereo on/off
- [ 0x25 ] = KEY_RESERVED, // mono / stereo (USA)
- [ 0x27 ] = KEY_RESERVED, // tint / hue -
- [ 0x28 ] = KEY_RESERVED, // RF switch/PIP select
- [ 0x29 ] = KEY_RESERVED, // vote
- [ 0x2a ] = KEY_RESERVED, // timed page/channel clck
- [ 0x2b ] = KEY_RESERVED, // increment (USA)
- [ 0x2c ] = KEY_RESERVED, // decrement (USA)
- [ 0x2d ] = KEY_RESERVED, //
- [ 0x2f ] = KEY_RESERVED, // PIP shift
- [ 0x31 ] = KEY_RESERVED, // erase
- [ 0x34 ] = KEY_RESERVED, // wind
- [ 0x38 ] = KEY_RESERVED, // external 1
- [ 0x39 ] = KEY_RESERVED, // external 2
- [ 0x3a ] = KEY_RESERVED, // PIP display mode
- [ 0x3b ] = KEY_RESERVED, // view data mode / advance
- [ 0x3e ] = KEY_RESERVED, // crispener on/off
- [ 0x3f ] = KEY_RESERVED, // system select
-#endif
+ /* Keys 0 to 9 */
+ [ 0x00 ] = KEY_KP0,
+ [ 0x01 ] = KEY_KP1,
+ [ 0x02 ] = KEY_KP2,
+ [ 0x03 ] = KEY_KP3,
+ [ 0x04 ] = KEY_KP4,
+ [ 0x05 ] = KEY_KP5,
+ [ 0x06 ] = KEY_KP6,
+ [ 0x07 ] = KEY_KP7,
+ [ 0x08 ] = KEY_KP8,
+ [ 0x09 ] = KEY_KP9,
+
+ [ 0x0b ] = KEY_CHANNEL, /* channel / program (japan: 11) */
+ [ 0x0c ] = KEY_POWER, /* standby */
+ [ 0x0d ] = KEY_MUTE, /* mute / demute */
+ [ 0x0f ] = KEY_TV, /* display */
+ [ 0x10 ] = KEY_VOLUMEUP,
+ [ 0x11 ] = KEY_VOLUMEDOWN,
+ [ 0x12 ] = KEY_BRIGHTNESSUP,
+ [ 0x13 ] = KEY_BRIGHTNESSDOWN,
+ [ 0x1e ] = KEY_SEARCH, /* search + */
+ [ 0x20 ] = KEY_CHANNELUP, /* channel / program + */
+ [ 0x21 ] = KEY_CHANNELDOWN, /* channel / program - */
+ [ 0x22 ] = KEY_CHANNEL, /* alt / channel */
+ [ 0x23 ] = KEY_LANGUAGE, /* 1st / 2nd language */
+ [ 0x26 ] = KEY_SLEEP, /* sleeptimer */
+ [ 0x2e ] = KEY_MENU, /* 2nd controls (USA: menu) */
+ [ 0x30 ] = KEY_PAUSE,
+ [ 0x32 ] = KEY_REWIND,
+ [ 0x33 ] = KEY_GOTO,
+ [ 0x35 ] = KEY_PLAY,
+ [ 0x36 ] = KEY_STOP,
+ [ 0x37 ] = KEY_RECORD, /* recording */
+ [ 0x3c ] = KEY_TEXT, /* teletext submode (Japan: 12) */
+ [ 0x3d ] = KEY_SUSPEND, /* system standby */
+
};
EXPORT_SYMBOL_GPL(ir_codes_rc5_tv);
+/* Table for Leadtek Winfast Remote Controls - used by both bttv and cx88 */
+IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE] = {
+ /* Keys 0 to 9 */
+ [ 18 ] = KEY_KP0,
+ [ 5 ] = KEY_KP1,
+ [ 6 ] = KEY_KP2,
+ [ 7 ] = KEY_KP3,
+ [ 9 ] = KEY_KP4,
+ [ 10 ] = KEY_KP5,
+ [ 11 ] = KEY_KP6,
+ [ 13 ] = KEY_KP7,
+ [ 14 ] = KEY_KP8,
+ [ 15 ] = KEY_KP9,
+
+ [ 0 ] = KEY_POWER,
+ [ 2 ] = KEY_TUNER, /* TV/FM */
+ [ 30 ] = KEY_VIDEO,
+ [ 4 ] = KEY_VOLUMEUP,
+ [ 8 ] = KEY_VOLUMEDOWN,
+ [ 12 ] = KEY_CHANNELUP,
+ [ 16 ] = KEY_CHANNELDOWN,
+ [ 3 ] = KEY_ZOOM, /* fullscreen */
+ [ 31 ] = KEY_SUBTITLE, /* closed caption/teletext */
+ [ 32 ] = KEY_SLEEP,
+ [ 20 ] = KEY_MUTE,
+ [ 43 ] = KEY_RED,
+ [ 44 ] = KEY_GREEN,
+ [ 45 ] = KEY_YELLOW,
+ [ 46 ] = KEY_BLUE,
+ [ 24 ] = KEY_KPPLUS, /* fine tune + */
+ [ 25 ] = KEY_KPMINUS, /* fine tune - */
+ [ 33 ] = KEY_KPDOT,
+ [ 19 ] = KEY_KPENTER,
+ [ 34 ] = KEY_BACK,
+ [ 35 ] = KEY_PLAYPAUSE,
+ [ 36 ] = KEY_NEXT,
+ [ 38 ] = KEY_STOP,
+ [ 39 ] = KEY_RECORD
+};
+EXPORT_SYMBOL_GPL(ir_codes_winfast);
+
+IR_KEYTAB_TYPE ir_codes_pinnacle[IR_KEYTAB_SIZE] = {
+ [ 0x59 ] = KEY_MUTE,
+ [ 0x4a ] = KEY_POWER,
+
+ [ 0x18 ] = KEY_TEXT,
+ [ 0x26 ] = KEY_TV,
+ [ 0x3d ] = KEY_PRINT,
+
+ [ 0x48 ] = KEY_RED,
+ [ 0x04 ] = KEY_GREEN,
+ [ 0x11 ] = KEY_YELLOW,
+ [ 0x00 ] = KEY_BLUE,
+
+ [ 0x2d ] = KEY_VOLUMEUP,
+ [ 0x1e ] = KEY_VOLUMEDOWN,
+
+ [ 0x49 ] = KEY_MENU,
+
+ [ 0x16 ] = KEY_CHANNELUP,
+ [ 0x17 ] = KEY_CHANNELDOWN,
+
+ [ 0x20 ] = KEY_UP,
+ [ 0x21 ] = KEY_DOWN,
+ [ 0x22 ] = KEY_LEFT,
+ [ 0x23 ] = KEY_RIGHT,
+ [ 0x0d ] = KEY_SELECT,
+
+
+
+ [ 0x08 ] = KEY_BACK,
+ [ 0x07 ] = KEY_REFRESH,
+
+ [ 0x2f ] = KEY_ZOOM,
+ [ 0x29 ] = KEY_RECORD,
+
+ [ 0x4b ] = KEY_PAUSE,
+ [ 0x4d ] = KEY_REWIND,
+ [ 0x2e ] = KEY_PLAY,
+ [ 0x4e ] = KEY_FORWARD,
+ [ 0x53 ] = KEY_PREVIOUS,
+ [ 0x4c ] = KEY_STOP,
+ [ 0x54 ] = KEY_NEXT,
+
+ [ 0x69 ] = KEY_KP0,
+ [ 0x6a ] = KEY_KP1,
+ [ 0x6b ] = KEY_KP2,
+ [ 0x6c ] = KEY_KP3,
+ [ 0x6d ] = KEY_KP4,
+ [ 0x6e ] = KEY_KP5,
+ [ 0x6f ] = KEY_KP6,
+ [ 0x70 ] = KEY_KP7,
+ [ 0x71 ] = KEY_KP8,
+ [ 0x72 ] = KEY_KP9,
+
+ [ 0x74 ] = KEY_CHANNEL,
+ [ 0x0a ] = KEY_BACKSPACE,
+};
+
+EXPORT_SYMBOL_GPL(ir_codes_pinnacle);
+
/* empty keytable, can be used as placeholder for not-yet created keytables */
IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE] = {
[ 42 ] = KEY_COFFEE,
};
EXPORT_SYMBOL_GPL(ir_codes_empty);
+/* Hauppauge: the newer, gray remotes (seems there are multiple
+ * slightly different versions), shipped with cx88+ivtv cards.
+ * almost rc5 coding, but some non-standard keys */
+IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE] = {
+ /* Keys 0 to 9 */
+ [ 0x00 ] = KEY_KP0,
+ [ 0x01 ] = KEY_KP1,
+ [ 0x02 ] = KEY_KP2,
+ [ 0x03 ] = KEY_KP3,
+ [ 0x04 ] = KEY_KP4,
+ [ 0x05 ] = KEY_KP5,
+ [ 0x06 ] = KEY_KP6,
+ [ 0x07 ] = KEY_KP7,
+ [ 0x08 ] = KEY_KP8,
+ [ 0x09 ] = KEY_KP9,
+
+ [ 0x0a ] = KEY_TEXT, /* keypad asterisk as well */
+ [ 0x0b ] = KEY_RED, /* red button */
+ [ 0x0c ] = KEY_RADIO,
+ [ 0x0d ] = KEY_MENU,
+ [ 0x0e ] = KEY_SUBTITLE, /* also the # key */
+ [ 0x0f ] = KEY_MUTE,
+ [ 0x10 ] = KEY_VOLUMEUP,
+ [ 0x11 ] = KEY_VOLUMEDOWN,
+ [ 0x12 ] = KEY_PREVIOUS, /* previous channel */
+ [ 0x14 ] = KEY_UP,
+ [ 0x15 ] = KEY_DOWN,
+ [ 0x16 ] = KEY_LEFT,
+ [ 0x17 ] = KEY_RIGHT,
+ [ 0x18 ] = KEY_VIDEO, /* Videos */
+ [ 0x19 ] = KEY_AUDIO, /* Music */
+ /* 0x1a: Pictures - presume this means
+ "Multimedia Home Platform" -
+ no "PICTURES" key in input.h
+ */
+ [ 0x1a ] = KEY_MHP,
+
+ [ 0x1b ] = KEY_EPG, /* Guide */
+ [ 0x1c ] = KEY_TV,
+ [ 0x1e ] = KEY_NEXTSONG, /* skip >| */
+ [ 0x1f ] = KEY_EXIT, /* back/exit */
+ [ 0x20 ] = KEY_CHANNELUP, /* channel / program + */
+ [ 0x21 ] = KEY_CHANNELDOWN, /* channel / program - */
+ [ 0x22 ] = KEY_CHANNEL, /* source (old black remote) */
+ [ 0x24 ] = KEY_PREVIOUSSONG, /* replay |< */
+ [ 0x25 ] = KEY_ENTER, /* OK */
+ [ 0x26 ] = KEY_SLEEP, /* minimize (old black remote) */
+ [ 0x29 ] = KEY_BLUE, /* blue key */
+ [ 0x2e ] = KEY_GREEN, /* green button */
+ [ 0x30 ] = KEY_PAUSE, /* pause */
+ [ 0x32 ] = KEY_REWIND, /* backward << */
+ [ 0x34 ] = KEY_FASTFORWARD, /* forward >> */
+ [ 0x35 ] = KEY_PLAY,
+ [ 0x36 ] = KEY_STOP,
+ [ 0x37 ] = KEY_RECORD, /* recording */
+ [ 0x38 ] = KEY_YELLOW, /* yellow key */
+ [ 0x3b ] = KEY_SELECT, /* top right button */
+ [ 0x3c ] = KEY_ZOOM, /* full */
+ [ 0x3d ] = KEY_POWER, /* system power (green button) */
+};
+EXPORT_SYMBOL(ir_codes_hauppauge_new);
+
+IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE] = {
+ [ 2 ] = KEY_KP0,
+ [ 1 ] = KEY_KP1,
+ [ 11 ] = KEY_KP2,
+ [ 27 ] = KEY_KP3,
+ [ 5 ] = KEY_KP4,
+ [ 9 ] = KEY_KP5,
+ [ 21 ] = KEY_KP6,
+ [ 6 ] = KEY_KP7,
+ [ 10 ] = KEY_KP8,
+ [ 18 ] = KEY_KP9,
+
+ [ 3 ] = KEY_TUNER, /* TV/FM */
+ [ 7 ] = KEY_SEARCH, /* scan */
+ [ 28 ] = KEY_ZOOM, /* full screen */
+ [ 30 ] = KEY_POWER,
+ [ 23 ] = KEY_VOLUMEDOWN,
+ [ 31 ] = KEY_VOLUMEUP,
+ [ 20 ] = KEY_CHANNELDOWN,
+ [ 22 ] = KEY_CHANNELUP,
+ [ 24 ] = KEY_MUTE,
+
+ [ 0 ] = KEY_LIST, /* source */
+ [ 19 ] = KEY_INFO, /* loop */
+ [ 16 ] = KEY_LAST, /* +100 */
+ [ 13 ] = KEY_CLEAR, /* reset */
+ [ 12 ] = BTN_RIGHT, /* fun++ */
+ [ 4 ] = BTN_LEFT, /* fun-- */
+ [ 14 ] = KEY_GOTO, /* function */
+ [ 15 ] = KEY_STOP, /* freeze */
+};
+EXPORT_SYMBOL(ir_codes_pixelview);
+
/* -------------------------------------------------------------------------- */
static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir)
dprintk(1,"%s: key event code=%d down=%d\n",
dev->name,ir->keycode,ir->keypressed);
input_report_key(dev,ir->keycode,ir->keypressed);
- input_sync(dev);
+ input_sync(dev);
}
/* -------------------------------------------------------------------------- */
if (ir_codes)
memcpy(ir->ir_codes, ir_codes, sizeof(ir->ir_codes));
- init_input_dev(dev);
+
dev->keycode = ir->ir_codes;
dev->keycodesize = sizeof(IR_KEYTAB_TYPE);
dev->keycodemax = IR_KEYTAB_SIZE;
ir->keypressed = 1;
ir_input_key_event(dev,ir);
}
-#if 0
- /* maybe do something like this ??? */
- input_event(a, EV_IR, ir->ir_type, ir->ir_raw);
-#endif
}
+/* -------------------------------------------------------------------------- */
+
u32 ir_extract_bits(u32 data, u32 mask)
{
int mbit, vbit;
return value;
}
+static int inline getbit(u32 *samples, int bit)
+{
+ return (samples[bit/32] & (1 << (31-(bit%32)))) ? 1 : 0;
+}
+
+/* sump raw samples for visual debugging ;) */
+int ir_dump_samples(u32 *samples, int count)
+{
+ int i, bit, start;
+
+ printk(KERN_DEBUG "ir samples: ");
+ start = 0;
+ for (i = 0; i < count * 32; i++) {
+ bit = getbit(samples,i);
+ if (bit)
+ start = 1;
+ if (0 == start)
+ continue;
+ printk("%s", bit ? "#" : "_");
+ }
+ printk("\n");
+ return 0;
+}
+
+/* decode raw samples, pulse distance coding used by NEC remotes */
+int ir_decode_pulsedistance(u32 *samples, int count, int low, int high)
+{
+ int i,last,bit,len;
+ u32 curBit;
+ u32 value;
+
+ /* find start burst */
+ for (i = len = 0; i < count * 32; i++) {
+ bit = getbit(samples,i);
+ if (bit) {
+ len++;
+ } else {
+ if (len >= 29)
+ break;
+ len = 0;
+ }
+ }
+
+ /* start burst to short */
+ if (len < 29)
+ return 0xffffffff;
+
+ /* find start silence */
+ for (len = 0; i < count * 32; i++) {
+ bit = getbit(samples,i);
+ if (bit) {
+ break;
+ } else {
+ len++;
+ }
+ }
+
+ /* silence to short */
+ if (len < 7)
+ return 0xffffffff;
+
+ /* go decoding */
+ len = 0;
+ last = 1;
+ value = 0; curBit = 1;
+ for (; i < count * 32; i++) {
+ bit = getbit(samples,i);
+ if (last) {
+ if(bit) {
+ continue;
+ } else {
+ len = 1;
+ }
+ } else {
+ if (bit) {
+ if (len > (low + high) /2)
+ value |= curBit;
+ curBit <<= 1;
+ if (curBit == 1)
+ break;
+ } else {
+ len++;
+ }
+ }
+ last = bit;
+ }
+
+ return value;
+}
+
+/* decode raw samples, biphase coding, used by rc5 for example */
+int ir_decode_biphase(u32 *samples, int count, int low, int high)
+{
+ int i,last,bit,len,flips;
+ u32 value;
+
+ /* find start bit (1) */
+ for (i = 0; i < 32; i++) {
+ bit = getbit(samples,i);
+ if (bit)
+ break;
+ }
+
+ /* go decoding */
+ len = 0;
+ flips = 0;
+ value = 1;
+ for (; i < count * 32; i++) {
+ if (len > high)
+ break;
+ if (flips > 1)
+ break;
+ last = bit;
+ bit = getbit(samples,i);
+ if (last == bit) {
+ len++;
+ continue;
+ }
+ if (len < low) {
+ len++;
+ flips++;
+ continue;
+ }
+ value <<= 1;
+ value |= bit;
+ flips = 0;
+ len = 1;
+ }
+ return value;
+}
+
EXPORT_SYMBOL_GPL(ir_input_init);
EXPORT_SYMBOL_GPL(ir_input_nokey);
EXPORT_SYMBOL_GPL(ir_input_keydown);
+
EXPORT_SYMBOL_GPL(ir_extract_bits);
+EXPORT_SYMBOL_GPL(ir_dump_samples);
+EXPORT_SYMBOL_GPL(ir_decode_biphase);
+EXPORT_SYMBOL_GPL(ir_decode_pulsedistance);
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
+
git://git.onelab.eu / linux-2.6.git / blobdiff