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There are two different encodings used for nec32: - The ir-nec-decoder.c decoder treats it as 32 bit msb first. - The img-ir decoder/encoder, winbond wakeup, dib0700, ir-ctl userspace, treat nec32 analogous to necx and nec: 4 bytes, each lsb first. So this format reverses the 4 bytes. There are arguments to be had for both formats, but we should not use different formats in different parts of the kernel. Selecting the second format introduces the least code churn. It does mean that the TiVo keymap needs updating. This change was submitted before as "18bc174 [media] media: rc: change 32bit NEC scancode format", which was reverted because it was unclear what scancode rc drivers produce. There are now more examples of drivers which produce nec32 in lsb format. The TiVo keymap is verified against the Nero Liquid TiVo remote. The keymap is not for the Tivo DVR remote, which uses rc-5. Signed-off-by: Sean Young <sean@mess.org> Cc: James Hogan <james.hogan@imgtec.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* rc-tivo.c - Keytable for TiVo remotes
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*
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* Copyright (c) 2011 by Jarod Wilson <jarod@redhat.com>
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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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#include <media/rc-map.h>
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#include <linux/module.h>
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/*
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* Initial mapping is for the TiVo remote included in the Nero LiquidTV bundle,
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* which also ships with a TiVo-branded IR transceiver, supported by the mceusb
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* driver. Note that the remote uses an NEC-ish protocol, but instead of having
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* a command/not_command pair, it has a vendor ID of 0x3085, but some keys, the
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* NEC extended checksums do pass, so the table presently has the intended
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* values and the checksum-passed versions for those keys.
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*/
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static struct rc_map_table tivo[] = {
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{ 0x3085f009, KEY_MEDIA }, /* TiVo Button */
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{ 0x3085e010, KEY_POWER2 }, /* TV Power */
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{ 0x3085e011, KEY_TV }, /* Live TV/Swap */
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{ 0x3085c034, KEY_VIDEO_NEXT }, /* TV Input */
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{ 0x3085e013, KEY_INFO },
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{ 0x3085a05f, KEY_CYCLEWINDOWS }, /* Window */
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{ 0x0085305f, KEY_CYCLEWINDOWS },
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{ 0x3085c036, KEY_EPG }, /* Guide */
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{ 0x3085e014, KEY_UP },
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{ 0x3085e016, KEY_DOWN },
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{ 0x3085e017, KEY_LEFT },
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{ 0x3085e015, KEY_RIGHT },
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{ 0x3085e018, KEY_SCROLLDOWN }, /* Red Thumbs Down */
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{ 0x3085e019, KEY_SELECT },
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{ 0x3085e01a, KEY_SCROLLUP }, /* Green Thumbs Up */
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{ 0x3085e01c, KEY_VOLUMEUP },
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{ 0x3085e01d, KEY_VOLUMEDOWN },
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{ 0x3085e01b, KEY_MUTE },
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{ 0x3085d020, KEY_RECORD },
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{ 0x3085e01e, KEY_CHANNELUP },
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{ 0x3085e01f, KEY_CHANNELDOWN },
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{ 0x0085301f, KEY_CHANNELDOWN },
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{ 0x3085d021, KEY_PLAY },
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{ 0x3085d023, KEY_PAUSE },
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{ 0x3085d025, KEY_SLOW },
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{ 0x3085d022, KEY_REWIND },
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{ 0x3085d024, KEY_FASTFORWARD },
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{ 0x3085d026, KEY_PREVIOUS },
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{ 0x3085d027, KEY_NEXT }, /* ->| */
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{ 0x3085b044, KEY_ZOOM }, /* Aspect */
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{ 0x3085b048, KEY_STOP },
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{ 0x3085b04a, KEY_DVD }, /* DVD Menu */
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{ 0x3085d028, KEY_NUMERIC_1 },
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{ 0x3085d029, KEY_NUMERIC_2 },
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{ 0x3085d02a, KEY_NUMERIC_3 },
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{ 0x3085d02b, KEY_NUMERIC_4 },
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{ 0x3085d02c, KEY_NUMERIC_5 },
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{ 0x3085d02d, KEY_NUMERIC_6 },
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{ 0x3085d02e, KEY_NUMERIC_7 },
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{ 0x3085d02f, KEY_NUMERIC_8 },
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{ 0x0085302f, KEY_NUMERIC_8 },
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{ 0x3085c030, KEY_NUMERIC_9 },
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{ 0x3085c031, KEY_NUMERIC_0 },
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{ 0x3085c033, KEY_ENTER },
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{ 0x3085c032, KEY_CLEAR },
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};
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static struct rc_map_list tivo_map = {
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.map = {
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.scan = tivo,
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.size = ARRAY_SIZE(tivo),
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.rc_type = RC_TYPE_NEC,
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.name = RC_MAP_TIVO,
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}
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};
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static int __init init_rc_map_tivo(void)
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{
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return rc_map_register(&tivo_map);
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}
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static void __exit exit_rc_map_tivo(void)
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{
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rc_map_unregister(&tivo_map);
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}
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module_init(init_rc_map_tivo)
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module_exit(exit_rc_map_tivo)
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
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