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d5e5265315
- Several Improvement on I2C IR handling for em2820:
- moved Pinnacle IR table (ir_codes_em2820) to em2820-input.c
- IR struct renamed and moved to a header file.
- New file to handle em2820-specific IR.
- Some cleanups.
- attach now detects I2C IR and calls em2820-specific IR code
- IR compat code moved to compat.h
- New header with struct IR_i2c there, to allow it to be
used by board-specific input handlers.
- Some improvements at em28xx board detection:
- Board detection message improved to show interface and class.
- Now it doesn't touch audio interfaces.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*
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*
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* some common structs and functions to handle infrared remotes via
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* input layer ...
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*
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* (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _IR_COMMON
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#define _IR_COMMON
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#include <linux/input.h>
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#define IR_TYPE_RC5 1
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#define IR_TYPE_PD 2 /* Pulse distance encoded IR */
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#define IR_TYPE_OTHER 99
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#define IR_KEYTAB_TYPE u32
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#define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ...
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#define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
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? tab[code] : KEY_RESERVED)
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struct ir_input_state {
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/* configuration */
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int ir_type;
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IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
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/* key info */
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u32 ir_raw; /* raw data */
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u32 ir_key; /* ir key code */
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u32 keycode; /* linux key code */
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int keypressed; /* current state */
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};
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extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
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void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
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int ir_type, IR_KEYTAB_TYPE *ir_codes);
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void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
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void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
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u32 ir_key, u32 ir_raw);
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u32 ir_extract_bits(u32 data, u32 mask);
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int ir_dump_samples(u32 *samples, int count);
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int ir_decode_biphase(u32 *samples, int count, int low, int high);
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int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
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#endif
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/*
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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