2005-04-17 06:20:36 +08:00
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/*
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*
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* Device driver for GPIO attached remote control interfaces
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* on Conexant 2388x based TV/DVB cards.
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*
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* Copyright (c) 2003 Pavel Machek
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* Copyright (c) 2004 Gerd Knorr
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* Copyright (c) 2004 Chris Pascoe
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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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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/pci.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <media/ir-common.h>
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#include "cx88.h"
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/* ---------------------------------------------------------------------- */
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/* DigitalNow DNTV Live DVB-T Remote */
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static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
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2005-07-13 04:58:44 +08:00
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[0x00] = KEY_ESC, /* 'go up a level?' */
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/* Keys 0 to 9 */
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[0x0a] = KEY_KP0,
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[0x01] = KEY_KP1,
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[0x02] = KEY_KP2,
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[0x03] = KEY_KP3,
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[0x04] = KEY_KP4,
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[0x05] = KEY_KP5,
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[0x06] = KEY_KP6,
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[0x07] = KEY_KP7,
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[0x08] = KEY_KP8,
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[0x09] = KEY_KP9,
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[0x0b] = KEY_TUNER, /* tv/fm */
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[0x0c] = KEY_SEARCH, /* scan */
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[0x0d] = KEY_STOP,
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[0x0e] = KEY_PAUSE,
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[0x0f] = KEY_LIST, /* source */
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[0x10] = KEY_MUTE,
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[0x11] = KEY_REWIND, /* backward << */
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[0x12] = KEY_POWER,
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[0x13] = KEY_S, /* snap */
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[0x14] = KEY_AUDIO, /* stereo */
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[0x15] = KEY_CLEAR, /* reset */
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[0x16] = KEY_PLAY,
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[0x17] = KEY_ENTER,
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[0x18] = KEY_ZOOM, /* full screen */
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[0x19] = KEY_FASTFORWARD, /* forward >> */
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[0x1a] = KEY_CHANNELUP,
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[0x1b] = KEY_VOLUMEUP,
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[0x1c] = KEY_INFO, /* preview */
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[0x1d] = KEY_RECORD, /* record */
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[0x1e] = KEY_CHANNELDOWN,
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[0x1f] = KEY_VOLUMEDOWN,
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2005-04-17 06:20:36 +08:00
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};
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/* ---------------------------------------------------------------------- */
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/* IO-DATA BCTV7E Remote */
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static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
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2005-07-13 04:58:44 +08:00
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[0x40] = KEY_TV,
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[0x20] = KEY_RADIO, /* FM */
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[0x60] = KEY_EPG,
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[0x00] = KEY_POWER,
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/* Keys 0 to 9 */
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[0x44] = KEY_KP0, /* 10 */
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[0x50] = KEY_KP1,
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[0x30] = KEY_KP2,
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[0x70] = KEY_KP3,
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[0x48] = KEY_KP4,
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[0x28] = KEY_KP5,
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[0x68] = KEY_KP6,
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[0x58] = KEY_KP7,
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[0x38] = KEY_KP8,
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[0x78] = KEY_KP9,
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[0x10] = KEY_L, /* Live */
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[0x08] = KEY_T, /* Time Shift */
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[0x18] = KEY_PLAYPAUSE, /* Play */
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[0x24] = KEY_ENTER, /* 11 */
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[0x64] = KEY_ESC, /* 12 */
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[0x04] = KEY_M, /* Multi */
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[0x54] = KEY_VIDEO,
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[0x34] = KEY_CHANNELUP,
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[0x74] = KEY_VOLUMEUP,
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[0x14] = KEY_MUTE,
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[0x4c] = KEY_S, /* SVIDEO */
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[0x2c] = KEY_CHANNELDOWN,
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[0x6c] = KEY_VOLUMEDOWN,
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[0x0c] = KEY_ZOOM,
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[0x5c] = KEY_PAUSE,
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[0x3c] = KEY_C, /* || (red) */
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[0x7c] = KEY_RECORD, /* recording */
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[0x1c] = KEY_STOP,
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[0x41] = KEY_REWIND, /* backward << */
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[0x21] = KEY_PLAY,
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[0x61] = KEY_FASTFORWARD, /* forward >> */
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[0x01] = KEY_NEXT, /* skip >| */
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2005-04-17 06:20:36 +08:00
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};
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/* ---------------------------------------------------------------------- */
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2005-07-08 08:58:36 +08:00
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/* ADS Tech Instant TV DVB-T PCI Remote */
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static IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE] = {
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2005-07-13 04:58:44 +08:00
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/* Keys 0 to 9 */
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[0x4d] = KEY_0,
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[0x57] = KEY_1,
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[0x4f] = KEY_2,
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[0x53] = KEY_3,
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[0x56] = KEY_4,
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[0x4e] = KEY_5,
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[0x5e] = KEY_6,
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[0x54] = KEY_7,
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[0x4c] = KEY_8,
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[0x5c] = KEY_9,
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[0x5b] = KEY_POWER,
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[0x5f] = KEY_MUTE,
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[0x55] = KEY_GOTO,
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[0x5d] = KEY_SEARCH,
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[0x17] = KEY_EPG, /* Guide */
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[0x1f] = KEY_MENU,
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[0x0f] = KEY_UP,
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[0x46] = KEY_DOWN,
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[0x16] = KEY_LEFT,
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[0x1e] = KEY_RIGHT,
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[0x0e] = KEY_SELECT, /* Enter */
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[0x5a] = KEY_INFO,
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[0x52] = KEY_EXIT,
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[0x59] = KEY_PREVIOUS,
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[0x51] = KEY_NEXT,
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[0x58] = KEY_REWIND,
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[0x50] = KEY_FORWARD,
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[0x44] = KEY_PLAYPAUSE,
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[0x07] = KEY_STOP,
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[0x1b] = KEY_RECORD,
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[0x13] = KEY_TUNER, /* Live */
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[0x0a] = KEY_A,
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[0x12] = KEY_B,
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[0x03] = KEY_PROG1, /* 1 */
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[0x01] = KEY_PROG2, /* 2 */
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[0x00] = KEY_PROG3, /* 3 */
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[0x06] = KEY_DVD,
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[0x48] = KEY_AUX, /* Photo */
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[0x40] = KEY_VIDEO,
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[0x19] = KEY_AUDIO, /* Music */
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[0x0b] = KEY_CHANNELUP,
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[0x08] = KEY_CHANNELDOWN,
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[0x15] = KEY_VOLUMEUP,
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[0x1c] = KEY_VOLUMEDOWN,
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2005-07-08 08:58:36 +08:00
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};
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/* ---------------------------------------------------------------------- */
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/* MSI TV@nywhere remote */
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static IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = {
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2005-07-13 04:58:44 +08:00
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/* Keys 0 to 9 */
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[0x00] = KEY_0,
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[0x01] = KEY_1,
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[0x02] = KEY_2,
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[0x03] = KEY_3,
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[0x04] = KEY_4,
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[0x05] = KEY_5,
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[0x06] = KEY_6,
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[0x07] = KEY_7,
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[0x08] = KEY_8,
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[0x09] = KEY_9,
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[0x0c] = KEY_MUTE,
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[0x0f] = KEY_SCREEN, /* Full Screen */
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[0x10] = KEY_F, /* Funtion */
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[0x11] = KEY_T, /* Time shift */
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[0x12] = KEY_POWER,
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[0x13] = KEY_MEDIA, /* MTS */
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[0x14] = KEY_SLOW,
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[0x16] = KEY_REWIND, /* backward << */
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[0x17] = KEY_ENTER, /* Return */
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[0x18] = KEY_FASTFORWARD, /* forward >> */
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[0x1a] = KEY_CHANNELUP,
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[0x1b] = KEY_VOLUMEUP,
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[0x1e] = KEY_CHANNELDOWN,
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[0x1f] = KEY_VOLUMEDOWN,
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2005-07-08 08:58:36 +08:00
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};
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/* ---------------------------------------------------------------------- */
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2005-09-10 04:03:41 +08:00
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/* Cinergy 1400 DVB-T */
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static IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = {
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[0x01] = KEY_POWER,
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[0x02] = KEY_1,
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[0x03] = KEY_2,
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[0x04] = KEY_3,
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[0x05] = KEY_4,
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[0x06] = KEY_5,
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[0x07] = KEY_6,
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[0x08] = KEY_7,
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[0x09] = KEY_8,
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[0x0a] = KEY_9,
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[0x0c] = KEY_0,
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[0x0b] = KEY_VIDEO,
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[0x0d] = KEY_REFRESH,
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[0x0e] = KEY_SELECT,
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[0x0f] = KEY_EPG,
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[0x10] = KEY_UP,
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[0x11] = KEY_LEFT,
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[0x12] = KEY_OK,
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[0x13] = KEY_RIGHT,
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[0x14] = KEY_DOWN,
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[0x15] = KEY_TEXT,
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[0x16] = KEY_INFO,
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[0x17] = KEY_RED,
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[0x18] = KEY_GREEN,
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[0x19] = KEY_YELLOW,
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[0x1a] = KEY_BLUE,
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[0x1b] = KEY_CHANNELUP,
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[0x1c] = KEY_VOLUMEUP,
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[0x1d] = KEY_MUTE,
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[0x1e] = KEY_VOLUMEDOWN,
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[0x1f] = KEY_CHANNELDOWN,
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[0x40] = KEY_PAUSE,
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[0x4c] = KEY_PLAY,
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[0x58] = KEY_RECORD,
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[0x54] = KEY_PREVIOUS,
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[0x48] = KEY_STOP,
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[0x5c] = KEY_NEXT,
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};
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/* ---------------------------------------------------------------------- */
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2005-04-17 06:20:36 +08:00
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struct cx88_IR {
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2005-07-13 04:58:44 +08:00
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struct cx88_core *core;
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2005-09-15 15:01:53 +08:00
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struct input_dev *input;
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2005-07-13 04:58:44 +08:00
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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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2005-04-17 06:20:36 +08:00
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/* sample from gpio pin 16 */
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2005-07-13 04:58:44 +08:00
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int sampling;
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u32 samples[16];
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int scount;
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unsigned long release;
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2005-04-17 06:20:36 +08:00
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/* poll external decoder */
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2005-07-13 04:58:44 +08:00
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int polling;
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struct work_struct work;
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struct timer_list timer;
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u32 gpio_addr;
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u32 last_gpio;
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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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2005-04-17 06:20:36 +08:00
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};
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static int ir_debug = 0;
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2005-07-13 04:58:44 +08:00
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module_param(ir_debug, int, 0644); /* debug level [IR] */
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2005-04-17 06:20:36 +08:00
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MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
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#define ir_dprintk(fmt, arg...) if (ir_debug) \
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2005-09-10 04:03:41 +08:00
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printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
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2005-04-17 06:20:36 +08:00
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/* ---------------------------------------------------------------------- */
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static void cx88_ir_handle_key(struct cx88_IR *ir)
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{
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struct cx88_core *core = ir->core;
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u32 gpio, data;
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/* read gpio value */
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gpio = cx_read(ir->gpio_addr);
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if (ir->polling) {
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if (ir->last_gpio == gpio)
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return;
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ir->last_gpio = gpio;
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}
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/* extract data */
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data = ir_extract_bits(gpio, ir->mask_keycode);
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ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
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2005-07-13 04:58:44 +08:00
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gpio, data,
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ir->polling ? "poll" : "irq",
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(gpio & ir->mask_keydown) ? " down" : "",
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(gpio & ir->mask_keyup) ? " up" : "");
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2005-04-17 06:20:36 +08:00
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if (ir->mask_keydown) {
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/* bit set on keydown */
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if (gpio & ir->mask_keydown) {
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2005-09-15 15:01:53 +08:00
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ir_input_keydown(ir->input, &ir->ir, data, data);
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2005-04-17 06:20:36 +08:00
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} else {
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2005-09-15 15:01:53 +08:00
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ir_input_nokey(ir->input, &ir->ir);
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2005-04-17 06:20:36 +08:00
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}
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} else if (ir->mask_keyup) {
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/* bit cleared on keydown */
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if (0 == (gpio & ir->mask_keyup)) {
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2005-09-15 15:01:53 +08:00
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ir_input_keydown(ir->input, &ir->ir, data, data);
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2005-04-17 06:20:36 +08:00
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} else {
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2005-09-15 15:01:53 +08:00
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ir_input_nokey(ir->input, &ir->ir);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
/* can't distinguish keydown/up :-/ */
|
2005-09-15 15:01:53 +08:00
|
|
|
ir_input_keydown(ir->input, &ir->ir, data, data);
|
|
|
|
ir_input_nokey(ir->input, &ir->ir);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ir_timer(unsigned long data)
|
|
|
|
{
|
2005-07-13 04:58:44 +08:00
|
|
|
struct cx88_IR *ir = (struct cx88_IR *)data;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
schedule_work(&ir->work);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void cx88_ir_work(void *data)
|
|
|
|
{
|
|
|
|
struct cx88_IR *ir = data;
|
|
|
|
unsigned long timeout;
|
|
|
|
|
|
|
|
cx88_ir_handle_key(ir);
|
|
|
|
timeout = jiffies + (ir->polling * HZ / 1000);
|
|
|
|
mod_timer(&ir->timer, timeout);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
|
|
|
|
{
|
|
|
|
struct cx88_IR *ir;
|
2005-09-15 15:01:53 +08:00
|
|
|
struct input_dev *input_dev;
|
2005-04-17 06:20:36 +08:00
|
|
|
IR_KEYTAB_TYPE *ir_codes = NULL;
|
|
|
|
int ir_type = IR_TYPE_OTHER;
|
|
|
|
|
2005-09-15 15:01:53 +08:00
|
|
|
ir = kzalloc(sizeof(*ir), GFP_KERNEL);
|
|
|
|
input_dev = input_allocate_device();
|
|
|
|
if (!ir || !input_dev) {
|
|
|
|
kfree(ir);
|
|
|
|
input_free_device(input_dev);
|
2005-04-17 06:20:36 +08:00
|
|
|
return -ENOMEM;
|
2005-09-15 15:01:53 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
ir->input = input_dev;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* detect & configure */
|
|
|
|
switch (core->board) {
|
|
|
|
case CX88_BOARD_DNTV_LIVE_DVB_T:
|
2005-06-24 13:05:03 +08:00
|
|
|
case CX88_BOARD_KWORLD_DVB_T:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_dntv_live_dvb_t;
|
|
|
|
ir->gpio_addr = MO_GP1_IO;
|
2005-04-17 06:20:36 +08:00
|
|
|
ir->mask_keycode = 0x1f;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->mask_keyup = 0x60;
|
|
|
|
ir->polling = 50; /* ms */
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
2005-09-10 04:03:41 +08:00
|
|
|
case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
|
|
|
|
ir_codes = ir_codes_cinergy_1400;
|
|
|
|
ir_type = IR_TYPE_PD;
|
|
|
|
ir->sampling = 1;
|
|
|
|
break;
|
2005-04-17 06:20:36 +08:00
|
|
|
case CX88_BOARD_HAUPPAUGE:
|
|
|
|
case CX88_BOARD_HAUPPAUGE_DVB_T1:
|
2006-01-10 01:25:02 +08:00
|
|
|
case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
|
|
|
|
case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
|
2006-01-10 01:25:12 +08:00
|
|
|
case CX88_BOARD_HAUPPAUGE_HVR1100:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_hauppauge_new;
|
|
|
|
ir_type = IR_TYPE_RC5;
|
|
|
|
ir->sampling = 1;
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
|
|
|
case CX88_BOARD_WINFAST2000XP_EXPERT:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_winfast;
|
|
|
|
ir->gpio_addr = MO_GP0_IO;
|
2005-04-17 06:20:36 +08:00
|
|
|
ir->mask_keycode = 0x8f8;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->mask_keyup = 0x100;
|
|
|
|
ir->polling = 1; /* ms */
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
|
|
|
case CX88_BOARD_IODATA_GVBCTV7E:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_iodata_bctv7e;
|
|
|
|
ir->gpio_addr = MO_GP0_IO;
|
2005-04-17 06:20:36 +08:00
|
|
|
ir->mask_keycode = 0xfd;
|
|
|
|
ir->mask_keydown = 0x02;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->polling = 5; /* ms */
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
2005-06-24 13:04:53 +08:00
|
|
|
case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_pixelview;
|
|
|
|
ir->gpio_addr = MO_GP1_IO;
|
2005-06-24 13:04:53 +08:00
|
|
|
ir->mask_keycode = 0x1f;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->mask_keyup = 0x80;
|
|
|
|
ir->polling = 1; /* ms */
|
2005-06-24 13:04:53 +08:00
|
|
|
break;
|
2005-07-08 08:58:36 +08:00
|
|
|
case CX88_BOARD_ADSTECH_DVB_T_PCI:
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_codes = ir_codes_adstech_dvb_t_pci;
|
|
|
|
ir->gpio_addr = MO_GP1_IO;
|
2005-07-08 08:58:36 +08:00
|
|
|
ir->mask_keycode = 0xbf;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->mask_keyup = 0x40;
|
|
|
|
ir->polling = 50; /* ms */
|
|
|
|
break;
|
|
|
|
case CX88_BOARD_MSI_TVANYWHERE_MASTER:
|
|
|
|
ir_codes = ir_codes_msi_tvanywhere;
|
|
|
|
ir->gpio_addr = MO_GP1_IO;
|
|
|
|
ir->mask_keycode = 0x1f;
|
|
|
|
ir->mask_keyup = 0x40;
|
|
|
|
ir->polling = 1; /* ms */
|
2005-07-08 08:58:36 +08:00
|
|
|
break;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2005-06-24 13:05:03 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
if (NULL == ir_codes) {
|
|
|
|
kfree(ir);
|
2005-09-15 15:01:53 +08:00
|
|
|
input_free_device(input_dev);
|
2005-04-17 06:20:36 +08:00
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* init input device */
|
|
|
|
snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
|
|
|
|
cx88_boards[core->board].name);
|
2005-07-13 04:58:44 +08:00
|
|
|
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-09-15 15:01:53 +08:00
|
|
|
ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
|
|
|
|
input_dev->name = ir->name;
|
|
|
|
input_dev->phys = ir->phys;
|
|
|
|
input_dev->id.bustype = BUS_PCI;
|
|
|
|
input_dev->id.version = 1;
|
2005-04-17 06:20:36 +08:00
|
|
|
if (pci->subsystem_vendor) {
|
2005-09-15 15:01:53 +08:00
|
|
|
input_dev->id.vendor = pci->subsystem_vendor;
|
|
|
|
input_dev->id.product = pci->subsystem_device;
|
2005-04-17 06:20:36 +08:00
|
|
|
} else {
|
2005-09-15 15:01:53 +08:00
|
|
|
input_dev->id.vendor = pci->vendor;
|
|
|
|
input_dev->id.product = pci->device;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2005-09-15 15:01:53 +08:00
|
|
|
input_dev->cdev.dev = &pci->dev;
|
2005-04-17 06:20:36 +08:00
|
|
|
/* record handles to ourself */
|
|
|
|
ir->core = core;
|
|
|
|
core->ir = ir;
|
|
|
|
|
|
|
|
if (ir->polling) {
|
|
|
|
INIT_WORK(&ir->work, cx88_ir_work, ir);
|
|
|
|
init_timer(&ir->timer);
|
|
|
|
ir->timer.function = ir_timer;
|
2005-07-13 04:58:44 +08:00
|
|
|
ir->timer.data = (unsigned long)ir;
|
2005-04-17 06:20:36 +08:00
|
|
|
schedule_work(&ir->work);
|
|
|
|
}
|
|
|
|
if (ir->sampling) {
|
2005-07-13 04:58:44 +08:00
|
|
|
core->pci_irqmask |= (1 << 18); /* IR_SMP_INT */
|
|
|
|
cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
|
|
|
|
cx_write(MO_DDSCFG_IO, 0x5); /* enable */
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* all done */
|
2005-09-15 15:01:53 +08:00
|
|
|
input_register_device(ir->input);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int cx88_ir_fini(struct cx88_core *core)
|
|
|
|
{
|
|
|
|
struct cx88_IR *ir = core->ir;
|
|
|
|
|
|
|
|
/* skip detach on non attached boards */
|
|
|
|
if (NULL == ir)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (ir->polling) {
|
|
|
|
del_timer(&ir->timer);
|
|
|
|
flush_scheduled_work();
|
|
|
|
}
|
|
|
|
|
2005-09-15 15:01:53 +08:00
|
|
|
input_unregister_device(ir->input);
|
2005-04-17 06:20:36 +08:00
|
|
|
kfree(ir);
|
|
|
|
|
|
|
|
/* done */
|
|
|
|
core->ir = NULL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
void cx88_ir_irq(struct cx88_core *core)
|
|
|
|
{
|
|
|
|
struct cx88_IR *ir = core->ir;
|
2005-09-10 04:03:41 +08:00
|
|
|
u32 samples, ircode;
|
2005-04-17 06:20:36 +08:00
|
|
|
int i;
|
|
|
|
|
|
|
|
if (NULL == ir)
|
|
|
|
return;
|
|
|
|
if (!ir->sampling)
|
|
|
|
return;
|
|
|
|
|
|
|
|
samples = cx_read(MO_SAMPLE_IO);
|
2005-07-13 04:58:44 +08:00
|
|
|
if (0 != samples && 0xffffffff != samples) {
|
2005-04-17 06:20:36 +08:00
|
|
|
/* record sample data */
|
|
|
|
if (ir->scount < ARRAY_SIZE(ir->samples))
|
|
|
|
ir->samples[ir->scount++] = samples;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (!ir->scount) {
|
|
|
|
/* nothing to sample */
|
2005-07-13 04:58:44 +08:00
|
|
|
if (ir->ir.keypressed && time_after(jiffies, ir->release))
|
2005-09-15 15:01:53 +08:00
|
|
|
ir_input_nokey(ir->input, &ir->ir);
|
2005-04-17 06:20:36 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* have a complete sample */
|
|
|
|
if (ir->scount < ARRAY_SIZE(ir->samples))
|
|
|
|
ir->samples[ir->scount++] = samples;
|
|
|
|
for (i = 0; i < ir->scount; i++)
|
|
|
|
ir->samples[i] = ~ir->samples[i];
|
|
|
|
if (ir_debug)
|
2005-07-13 04:58:44 +08:00
|
|
|
ir_dump_samples(ir->samples, ir->scount);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* decode it */
|
|
|
|
switch (core->board) {
|
2005-09-10 04:03:41 +08:00
|
|
|
case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
|
|
|
|
ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
|
|
|
|
|
|
|
|
if (ircode == 0xffffffff) { /* decoding error */
|
|
|
|
ir_dprintk("pulse distance decoding error\n");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ir_dprintk("pulse distance decoded: %x\n", ircode);
|
|
|
|
|
|
|
|
if (ircode == 0) { /* key still pressed */
|
|
|
|
ir_dprintk("pulse distance decoded repeat code\n");
|
|
|
|
ir->release = jiffies + msecs_to_jiffies(120);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ircode & 0xffff) != 0xeb04) { /* wrong address */
|
|
|
|
ir_dprintk("pulse distance decoded wrong address\n");
|
2005-11-09 13:37:43 +08:00
|
|
|
break;
|
2005-09-10 04:03:41 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
|
|
|
|
ir_dprintk("pulse distance decoded wrong check sum\n");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
|
|
|
|
|
2005-09-15 15:01:53 +08:00
|
|
|
ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
|
2005-09-10 04:03:41 +08:00
|
|
|
ir->release = jiffies + msecs_to_jiffies(120);
|
|
|
|
break;
|
2005-04-17 06:20:36 +08:00
|
|
|
case CX88_BOARD_HAUPPAUGE:
|
|
|
|
case CX88_BOARD_HAUPPAUGE_DVB_T1:
|
2006-01-10 01:25:02 +08:00
|
|
|
case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
|
|
|
|
case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
|
2005-09-10 04:03:41 +08:00
|
|
|
ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
|
|
|
|
ir_dprintk("biphase decoded: %x\n", ircode);
|
|
|
|
if ((ircode & 0xfffff000) != 0x3000)
|
2005-04-17 06:20:36 +08:00
|
|
|
break;
|
2005-09-15 15:01:53 +08:00
|
|
|
ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
|
2005-04-17 06:20:36 +08:00
|
|
|
ir->release = jiffies + msecs_to_jiffies(120);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ir->scount = 0;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
|
|
|
|
MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
/*
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 8
|
|
|
|
* End:
|
|
|
|
*/
|