diff options
Diffstat (limited to 'drivers/media/common')
| -rw-r--r-- | drivers/media/common/ir-functions.c | 110 | ||||
| -rw-r--r-- | drivers/media/common/ir-keymaps.c | 54 |
2 files changed, 164 insertions, 0 deletions
diff --git a/drivers/media/common/ir-functions.c b/drivers/media/common/ir-functions.c index 9a8dd8764c9..cbf7c056488 100644 --- a/drivers/media/common/ir-functions.c +++ b/drivers/media/common/ir-functions.c @@ -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 diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index 0e948a5c5a0..4a54a559d81 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -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); |