projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 69336533 JH |
1 | /* |
| 2 | * ImgTec IR Decoder setup for JVC protocol. | |
| 3 | * | |
| 4 | * Copyright 2012-2014 Imagination Technologies Ltd. | |
| 2ac6f630 JH |
5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by the | |
| 8 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 9 | * option) any later version. | |
| 69336533 JH |
10 | */ |
| 11 | ||
| 12 | #include "img-ir-hw.h" | |
| 13 | ||
| 14 | /* Convert JVC data to a scancode */ | |
| ab93ce06 SN |
15 | static int img_ir_jvc_scancode(int len, u64 raw, u64 enabled_protocols, |
| 16 | struct img_ir_scancode_req *request) | |
| 69336533 JH |
17 | { |
| 18 | unsigned int cust, data; | |
| 19 | ||
| 20 | if (len != 16) | |
| 21 | return -EINVAL; | |
| 22 | ||
| 23 | cust = (raw >> 0) & 0xff; | |
| 24 | data = (raw >> 8) & 0xff; | |
| 25 | ||
| ab93ce06 SN |
26 | request->protocol = RC_TYPE_JVC; |
| 27 | request->scancode = cust << 8 | data; | |
| 69336533 JH |
28 | return IMG_IR_SCANCODE; |
| 29 | } | |
| 30 | ||
| 31 | /* Convert JVC scancode to JVC data filter */ | |
| 32 | static int img_ir_jvc_filter(const struct rc_scancode_filter *in, | |
| 33 | struct img_ir_filter *out, u64 protocols) | |
| 34 | { | |
| 35 | unsigned int cust, data; | |
| 36 | unsigned int cust_m, data_m; | |
| 37 | ||
| 38 | cust = (in->data >> 8) & 0xff; | |
| 39 | cust_m = (in->mask >> 8) & 0xff; | |
| 40 | data = (in->data >> 0) & 0xff; | |
| 41 | data_m = (in->mask >> 0) & 0xff; | |
| 42 | ||
| 43 | out->data = cust | data << 8; | |
| 44 | out->mask = cust_m | data_m << 8; | |
| 45 | ||
| 46 | return 0; | |
| 47 | } | |
| 48 | ||
| 49 | /* | |
| 50 | * JVC decoder | |
| 51 | * See also http://www.sbprojects.com/knowledge/ir/jvc.php | |
| 52 | * http://support.jvc.com/consumer/support/documents/RemoteCodes.pdf | |
| 53 | */ | |
| 54 | struct img_ir_decoder img_ir_jvc = { | |
| 55 | .type = RC_BIT_JVC, | |
| 56 | .control = { | |
| 57 | .decoden = 1, | |
| 58 | .code_type = IMG_IR_CODETYPE_PULSEDIST, | |
| 69336533 JH |
59 | }, |
| 60 | /* main timings */ | |
| 61 | .unit = 527500, /* 527.5 us */ | |
| 62 | .timings = { | |
| 63 | /* leader symbol */ | |
| 64 | .ldr = { | |
| 65 | .pulse = { 16 /* 8.44 ms */ }, | |
| 66 | .space = { 8 /* 4.22 ms */ }, | |
| 67 | }, | |
| 68 | /* 0 symbol */ | |
| 69 | .s00 = { | |
| 70 | .pulse = { 1 /* 527.5 us +-60 us */ }, | |
| 71 | .space = { 1 /* 527.5 us */ }, | |
| 72 | }, | |
| 73 | /* 1 symbol */ | |
| 74 | .s01 = { | |
| 75 | .pulse = { 1 /* 527.5 us +-60 us */ }, | |
| 76 | .space = { 3 /* 1.5825 ms +-40 us */ }, | |
| 77 | }, | |
| 69336533 JH |
78 | /* free time */ |
| 79 | .ft = { | |
| 80 | .minlen = 16, | |
| 81 | .maxlen = 16, | |
| 82 | .ft_min = 10, /* 5.275 ms */ | |
| 83 | }, | |
| 84 | }, | |
| 85 | /* scancode logic */ | |
| 86 | .scancode = img_ir_jvc_scancode, | |
| 87 | .filter = img_ir_jvc_filter, | |
| 88 | }; |