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Diffstat (limited to 'drivers/media/common/ir-common.c')
-rw-r--r--drivers/media/common/ir-common.c519
1 files changed, 0 insertions, 519 deletions
diff --git a/drivers/media/common/ir-common.c b/drivers/media/common/ir-common.c
deleted file mode 100644
index 97fa3fc571c4..000000000000
--- a/drivers/media/common/ir-common.c
+++ /dev/null
@@ -1,519 +0,0 @@
-/*
- *
- * some common structs and functions to handle infrared remotes via
- * input layer ...
- *
- * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/string.h>
-#include <media/ir-common.h>
-
-/* -------------------------------------------------------------------------- */
-
-MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
-MODULE_LICENSE("GPL");
-
-static int repeat = 1;
-module_param(repeat, int, 0444);
-MODULE_PARM_DESC(repeat,"auto-repeat for IR keys (default: on)");
-
-static int debug = 0; /* debug level (0,1,2) */
-module_param(debug, int, 0644);
-
-#define dprintk(level, fmt, arg...) if (debug >= level) \
- printk(KERN_DEBUG fmt , ## arg)
-
-/* -------------------------------------------------------------------------- */
-
-/* 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] = {
- /* 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)
-{
- if (KEY_RESERVED == ir->keycode) {
- printk(KERN_INFO "%s: unknown key: key=0x%02x raw=0x%02x down=%d\n",
- dev->name,ir->ir_key,ir->ir_raw,ir->keypressed);
- return;
- }
- 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);
-}
-
-/* -------------------------------------------------------------------------- */
-
-void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
- int ir_type, IR_KEYTAB_TYPE *ir_codes)
-{
- int i;
-
- ir->ir_type = ir_type;
- if (ir_codes)
- memcpy(ir->ir_codes, ir_codes, sizeof(ir->ir_codes));
-
-
- dev->keycode = ir->ir_codes;
- dev->keycodesize = sizeof(IR_KEYTAB_TYPE);
- dev->keycodemax = IR_KEYTAB_SIZE;
- for (i = 0; i < IR_KEYTAB_SIZE; i++)
- set_bit(ir->ir_codes[i], dev->keybit);
- clear_bit(0, dev->keybit);
-
- set_bit(EV_KEY, dev->evbit);
- if (repeat)
- set_bit(EV_REP, dev->evbit);
-}
-
-void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir)
-{
- if (ir->keypressed) {
- ir->keypressed = 0;
- ir_input_key_event(dev,ir);
- }
-}
-
-void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
- u32 ir_key, u32 ir_raw)
-{
- u32 keycode = IR_KEYCODE(ir->ir_codes, ir_key);
-
- if (ir->keypressed && ir->keycode != keycode) {
- ir->keypressed = 0;
- ir_input_key_event(dev,ir);
- }
- if (!ir->keypressed) {
- ir->ir_key = ir_key;
- ir->ir_raw = ir_raw;
- ir->keycode = keycode;
- ir->keypressed = 1;
- ir_input_key_event(dev,ir);
- }
-}
-
-/* -------------------------------------------------------------------------- */
-
-u32 ir_extract_bits(u32 data, u32 mask)
-{
- int mbit, vbit;
- u32 value;
-
- value = 0;
- vbit = 0;
- for (mbit = 0; mbit < 32; mbit++) {
- if (!(mask & ((u32)1 << mbit)))
- continue;
- if (data & ((u32)1 << mbit))
- value |= (1 << vbit);
- 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:
- */
-