ir-common.h 5.6 KB

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  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. #ifndef _IR_COMMON
  23. #define _IR_COMMON
  24. #include <linux/input.h>
  25. #include <linux/workqueue.h>
  26. #define IR_TYPE_RC5 1
  27. #define IR_TYPE_PD 2 /* Pulse distance encoded IR */
  28. #define IR_TYPE_OTHER 99
  29. #define IR_KEYTAB_TYPE u32
  30. #define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ...
  31. #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \
  32. ? tab[code] : KEY_RESERVED)
  33. #define RC5_START(x) (((x)>>12)&3)
  34. #define RC5_TOGGLE(x) (((x)>>11)&1)
  35. #define RC5_ADDR(x) (((x)>>6)&31)
  36. #define RC5_INSTR(x) ((x)&63)
  37. struct ir_input_state {
  38. /* configuration */
  39. int ir_type;
  40. IR_KEYTAB_TYPE ir_codes[IR_KEYTAB_SIZE];
  41. /* key info */
  42. u32 ir_raw; /* raw data */
  43. u32 ir_key; /* ir key code */
  44. u32 keycode; /* linux key code */
  45. int keypressed; /* current state */
  46. };
  47. /* this was saa7134_ir and bttv_ir, moved here for
  48. * rc5 decoding. */
  49. struct card_ir {
  50. struct input_dev *dev;
  51. struct ir_input_state ir;
  52. char name[32];
  53. char phys[32];
  54. /* Usual gpio signalling */
  55. u32 mask_keycode;
  56. u32 mask_keydown;
  57. u32 mask_keyup;
  58. u32 polling;
  59. u32 last_gpio;
  60. int shift_by;
  61. int start; // What should RC5_START() be
  62. int addr; // What RC5_ADDR() should be.
  63. int rc5_key_timeout;
  64. int rc5_remote_gap;
  65. struct work_struct work;
  66. struct timer_list timer;
  67. /* RC5 gpio */
  68. u32 rc5_gpio;
  69. struct timer_list timer_end; /* timer_end for code completion */
  70. struct timer_list timer_keyup; /* timer_end for key release */
  71. u32 last_rc5; /* last good rc5 code */
  72. u32 last_bit; /* last raw bit seen */
  73. u32 code; /* raw code under construction */
  74. struct timeval base_time; /* time of last seen code */
  75. int active; /* building raw code */
  76. };
  77. void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
  78. int ir_type, IR_KEYTAB_TYPE *ir_codes);
  79. void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
  80. void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
  81. u32 ir_key, u32 ir_raw);
  82. u32 ir_extract_bits(u32 data, u32 mask);
  83. int ir_dump_samples(u32 *samples, int count);
  84. int ir_decode_biphase(u32 *samples, int count, int low, int high);
  85. int ir_decode_pulsedistance(u32 *samples, int count, int low, int high);
  86. u32 ir_rc5_decode(unsigned int code);
  87. void ir_rc5_timer_end(unsigned long data);
  88. void ir_rc5_timer_keyup(unsigned long data);
  89. /* Keymaps to be used by other modules */
  90. extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
  91. extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
  92. extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
  93. extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
  94. extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
  95. extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
  96. extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
  97. extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
  98. extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
  99. extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
  100. extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
  101. extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
  102. extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
  103. extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
  104. extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
  105. extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
  106. extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
  107. extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
  108. extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
  109. extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
  110. extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
  111. extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
  112. extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
  113. extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
  114. extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
  115. extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
  116. extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE];
  117. extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE];
  118. extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE];
  119. extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE];
  120. extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE];
  121. extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
  122. extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
  123. extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
  124. extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
  125. extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
  126. extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
  127. #endif
  128. /*
  129. * Local variables:
  130. * c-basic-offset: 8
  131. * End:
  132. */