68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
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* ec.c - EC rewrite of WMI functions
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*
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* Copyright (C) 2017 Jeremy Soller <jeremy@system76.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 (at
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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, see <http://www.gnu.org/licenses/>.
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*/
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// EC Registers
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#define FCMD 0xF8
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#define FDAT 0xF9
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#define FBUF 0xFA
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#define FBF1 0xFB
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#define FBF2 0xFC
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#define FBF3 0xFD
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enum EcKbRegion {
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EC_KB_LEFT,
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EC_KB_CENTER,
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EC_KB_RIGHT,
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EC_KB_EXTRA,
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};
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static void ec_kb_color_set(enum EcKbRegion region, u32 color) {
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u8 region_code;
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switch(region) {
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case EC_KB_LEFT:
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region_code = 0x3;
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break;
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case EC_KB_CENTER:
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region_code = 0x4;
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break;
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case EC_KB_RIGHT:
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region_code = 0x5;
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break;
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case EC_KB_EXTRA:
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region_code = 0x7;
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break;
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default:
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return;
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}
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ec_write(FDAT, region_code);
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ec_write(FBUF, (color & 0xFF));
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ec_write(FBF1, ((color >> 16) & 0xFF));
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ec_write(FBF2, ((color >> 8) & 0xFF));
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ec_write(FCMD, 0xCA);
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}
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static int ec_init(void) {
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return 0;
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}
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static void ec_exit(void) {
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}
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