include/media/ir-common.h

   1 /*
   2  *
   3  * some common structs and functions to handle infrared remotes via
   4  * input layer ...
   5  *
   6  * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef _IR_COMMON
  24 #define _IR_COMMON
  25
  26 #include <linux/input.h>
  27
  28 #define IR_TYPE_RC5     1
  29 #define IR_TYPE_PD      2 /* Pulse distance encoded IR */
  30 #define IR_TYPE_OTHER  99
  31
  32 #define IR_KEYTAB_TYPE  u32
  33 #define IR_KEYTAB_SIZE  128  // enougth for rc5, probably need more some day ...
  34
  35 #define IR_KEYCODE(tab,code)    (((unsigned)code < IR_KEYTAB_SIZE) \
  36                                  ? tab[code] : KEY_RESERVED)
  37
  38 struct ir_input_state {
  39         /* configuration */
  40         int                ir_type;
  41         IR_KEYTAB_TYPE     ir_codes[IR_KEYTAB_SIZE];
  42
  43         /* key info */
  44         u32                ir_raw;      /* raw data */
  45         u32                ir_key;      /* ir key code */
  46         u32                keycode;     /* linux key code */
  47         int                keypressed;  /* current state */
  48 };
  49
  50 void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
  51                    int ir_type, IR_KEYTAB_TYPE *ir_codes);
  52 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
  53 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
  54                       u32 ir_key, u32 ir_raw);
  55 u32  ir_extract_bits(u32 data, u32 mask);
  56 int  ir_dump_samples(u32 *samples, int count);
  57 int  ir_decode_biphase(u32 *samples, int count, int low, int high);
  58 int  ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
  59
  60 /* Keymaps to be used by other modules */
  61
  62 extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
  63 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
  64 extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
  65 extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
  66 extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
  67 extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
  68 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
  69 extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
  70 extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
  71 extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
  72 extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
  73 extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
  74 extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
  75 extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
  76 extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
  77 extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
  78 extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
  79 extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
  80 extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
  81 extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
  82 extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
  83 extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
  84 extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
  85 extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
  86 extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
  87 extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
  88 extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
  89 extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
  90 extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
  91 extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
  92 extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
  93
  94 #endif
  95
  96 /*
  97  * Local variables:
  98  * c-basic-offset: 8
  99  * End:
 100  */