diff options
Diffstat (limited to 'drivers/media/common/ir-common.c')
| -rw-r--r-- | drivers/media/common/ir-common.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/drivers/media/common/ir-common.c b/drivers/media/common/ir-common.c deleted file mode 100644 index 84a49d2ec91..00000000000 --- a/drivers/media/common/ir-common.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * $Id: ir-common.c,v 1.8 2005/02/22 12:28:40 kraxel Exp $ - * - * 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 <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] = { - [ 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 -}; -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] = { - [ 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, - [ 18 ] = KEY_KP0, - - [ 0 ] = KEY_POWER, - [ 27 ] = KEY_LANGUAGE, //MTS button - [ 2 ] = KEY_TUNER, // TV/FM - [ 30 ] = KEY_VIDEO, - [ 22 ] = KEY_INFO, //display button - [ 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, - [ 41 ] = KEY_SEARCH, //boss key - [ 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 - - [ 42 ] = KEY_ANGLE, //picture in picture - [ 33 ] = KEY_KPDOT, - [ 19 ] = KEY_KPENTER, - [ 17 ] = KEY_AGAIN, //recall - [ 34 ] = KEY_BACK, - [ 35 ] = KEY_PLAYPAUSE, - [ 36 ] = KEY_NEXT, - [ 37 ] = KEY_T, //time shifting - [ 38 ] = KEY_STOP, - [ 39 ] = KEY_RECORD, - [ 40 ] = KEY_SHUFFLE //snapshot -}; -EXPORT_SYMBOL_GPL(ir_codes_winfast); - -/* 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] = { - [ 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_RED, // red button - [ 0x0c ] = KEY_OPTION, // black key without text - [ 0x0d ] = KEY_MENU, // menu - [ 0x0f ] = KEY_MUTE, // mute - [ 0x10 ] = KEY_VOLUMEUP, // volume + - [ 0x11 ] = KEY_VOLUMEDOWN, // volume - - [ 0x1e ] = KEY_NEXT, // 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_PREVIOUS, // 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, // play - [ 0x36 ] = KEY_STOP, // 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); - -/* -------------------------------------------------------------------------- */ - -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)); - - init_input_dev(dev); - 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); - } -#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; - 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, 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); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |