![Brian Rogers](/assets/img/avatar_default.png)
The IR controller has a couple quirks. It won't respond until some other device on the bus is probed. To work around that, probe 0x50 first. Then, since it won't respond to a zero-byte read, probe with a one-byte read. Signed-off-by: Brian Rogers <brian_rogers@comcast.net> [mchehab.redhat.com: Fix merge conflicts and remove an unused var] Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
167 lines
6.5 KiB
C
167 lines
6.5 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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#include <linux/workqueue.h>
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#include <linux/interrupt.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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#define RC5_START(x) (((x)>>12)&3)
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#define RC5_TOGGLE(x) (((x)>>11)&1)
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#define RC5_ADDR(x) (((x)>>6)&31)
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#define RC5_INSTR(x) ((x)&63)
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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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/* this was saa7134_ir and bttv_ir, moved here for
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* rc5 decoding. */
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struct card_ir {
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struct input_dev *dev;
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struct ir_input_state ir;
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char name[32];
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char phys[32];
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/* Usual gpio signalling */
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u32 mask_keycode;
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u32 mask_keydown;
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u32 mask_keyup;
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u32 polling;
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u32 last_gpio;
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int shift_by;
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int start; // What should RC5_START() be
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int addr; // What RC5_ADDR() should be.
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int rc5_key_timeout;
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int rc5_remote_gap;
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struct work_struct work;
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struct timer_list timer;
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/* RC5 gpio */
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u32 rc5_gpio;
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struct timer_list timer_end; /* timer_end for code completion */
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struct timer_list timer_keyup; /* timer_end for key release */
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u32 last_rc5; /* last good rc5 code */
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u32 last_bit; /* last raw bit seen */
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u32 code; /* raw code under construction */
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struct timeval base_time; /* time of last seen code */
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int active; /* building raw code */
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/* NEC decoding */
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u32 nec_gpio;
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struct tasklet_struct tlet;
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};
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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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void ir_rc5_timer_end(unsigned long data);
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void ir_rc5_timer_keyup(unsigned long data);
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/* Keymaps to be used by other modules */
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extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avermedia_m135a[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE];
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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_pinnacle_color[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_npgtech[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_encore_enltv2[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_behold_columbus[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE];
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extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE];
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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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