2007-04-27 08:31:21 -07:00
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/*
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* Driver for the remote control of SAA7146 based AV7110 cards
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*
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* Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
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* Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*/
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2005-04-16 15:20:36 -07:00
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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2007-02-14 17:57:42 -07:00
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#include <linux/kernel.h>
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2007-10-18 23:40:25 -07:00
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#include <linux/bitops.h>
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2005-04-16 15:20:36 -07:00
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#include "av7110.h"
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2005-09-09 13:03:12 -07:00
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#include "av7110_hw.h"
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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#define AV_CNT 4
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#define IR_RC5 0
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#define IR_RCMM 1
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#define IR_RC5_EXT 2 /* internal only */
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#define IR_ALL 0xffffffff
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#define UP_TIMEOUT (HZ*7/25)
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/* Note: enable ir debugging by or'ing debug with 16 */
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static int ir_protocol[AV_CNT] = { IR_RCMM, IR_RCMM, IR_RCMM, IR_RCMM};
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module_param_array(ir_protocol, int, NULL, 0644);
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MODULE_PARM_DESC(ir_protocol, "Infrared protocol: 0 RC5, 1 RCMM (default)");
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static int ir_inversion[AV_CNT];
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module_param_array(ir_inversion, int, NULL, 0644);
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MODULE_PARM_DESC(ir_inversion, "Inversion of infrared signal: 0 not inverted (default), 1 inverted");
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static uint ir_device_mask[AV_CNT] = { IR_ALL, IR_ALL, IR_ALL, IR_ALL };
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module_param_array(ir_device_mask, uint, NULL, 0644);
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MODULE_PARM_DESC(ir_device_mask, "Bitmask of infrared devices: bit 0..31 = device 0..31 (default: all)");
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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static int av_cnt;
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static struct av7110 *av_list[AV_CNT];
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2006-01-09 10:25:09 -07:00
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2007-04-27 08:31:21 -07:00
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static u16 default_key_map [256] = {
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2005-04-16 15:20:36 -07:00
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KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
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KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
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KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
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0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
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KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
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KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
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KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
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0, 0, 0, 0, KEY_EPG, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
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};
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2007-04-27 08:31:21 -07:00
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/* key-up timer */
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static void av7110_emit_keyup(unsigned long parm)
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2005-04-16 15:20:36 -07:00
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{
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2007-04-27 08:31:21 -07:00
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struct infrared *ir = (struct infrared *) parm;
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if (!ir || !test_bit(ir->last_key, ir->input_dev->key))
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2005-04-16 15:20:36 -07:00
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return;
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2007-04-27 08:31:21 -07:00
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input_report_key(ir->input_dev, ir->last_key, 0);
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input_sync(ir->input_dev);
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:21 -07:00
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/* tasklet */
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2005-09-09 13:03:12 -07:00
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static void av7110_emit_key(unsigned long parm)
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2005-04-16 15:20:36 -07:00
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{
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2007-04-27 08:31:21 -07:00
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struct infrared *ir = (struct infrared *) parm;
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u32 ircom = ir->ir_command;
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2005-04-16 15:20:36 -07:00
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u8 data;
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u8 addr;
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2007-04-27 08:31:21 -07:00
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u16 toggle;
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2005-04-16 15:20:36 -07:00
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u16 keycode;
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/* extract device address and data */
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2007-04-27 08:31:21 -07:00
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switch (ir->protocol) {
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case IR_RC5: /* RC5: 5 bits device address, 6 bits data */
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2005-09-09 13:03:12 -07:00
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data = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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2007-04-27 08:31:21 -07:00
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toggle = ircom & 0x0800;
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2005-09-09 13:03:12 -07:00
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break;
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2007-04-27 08:31:21 -07:00
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case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
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2005-04-16 15:20:36 -07:00
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data = ircom & 0xff;
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2007-04-27 08:31:21 -07:00
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addr = (ircom >> 8) & 0x1f;
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toggle = ircom & 0x8000;
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2005-09-09 13:03:12 -07:00
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break;
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2007-04-27 08:31:21 -07:00
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case IR_RC5_EXT: /* extended RC5: 5 bits device address, 7 bits data */
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2005-04-16 15:20:36 -07:00
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data = ircom & 0x3f;
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addr = (ircom >> 6) & 0x1f;
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2005-09-09 13:03:12 -07:00
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/* invert 7th data bit for backward compatibility with RC5 keymaps */
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if (!(ircom & 0x1000))
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data |= 0x40;
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2007-04-27 08:31:21 -07:00
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toggle = ircom & 0x0800;
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2005-09-09 13:03:12 -07:00
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break;
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default:
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2008-04-08 19:20:00 -07:00
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printk("%s invalid protocol %x\n", __func__, ir->protocol);
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2005-09-09 13:03:12 -07:00
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return;
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:24 -07:00
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input_event(ir->input_dev, EV_MSC, MSC_RAW, (addr << 16) | data);
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input_event(ir->input_dev, EV_MSC, MSC_SCAN, data);
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2007-04-27 08:31:21 -07:00
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keycode = ir->key_map[data];
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
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2008-04-08 19:20:00 -07:00
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__func__, ircom, addr, data, keycode);
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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/* check device address */
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if (!(ir->device_mask & (1 << addr)))
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return;
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2005-04-16 15:20:36 -07:00
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if (!keycode) {
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2007-04-27 08:31:21 -07:00
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printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
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2008-04-08 19:20:00 -07:00
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__func__, ircom, addr, data);
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2005-04-16 15:20:36 -07:00
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return;
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}
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2007-04-27 08:31:21 -07:00
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if (timer_pending(&ir->keyup_timer)) {
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del_timer(&ir->keyup_timer);
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if (ir->last_key != keycode || toggle != ir->last_toggle) {
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ir->delay_timer_finished = 0;
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input_event(ir->input_dev, EV_KEY, ir->last_key, 0);
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input_event(ir->input_dev, EV_KEY, keycode, 1);
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input_sync(ir->input_dev);
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} else if (ir->delay_timer_finished) {
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input_event(ir->input_dev, EV_KEY, keycode, 2);
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input_sync(ir->input_dev);
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2006-11-20 06:23:04 -07:00
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}
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2006-01-09 10:25:09 -07:00
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} else {
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2007-04-27 08:31:21 -07:00
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ir->delay_timer_finished = 0;
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input_event(ir->input_dev, EV_KEY, keycode, 1);
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input_sync(ir->input_dev);
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2006-01-09 10:25:09 -07:00
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}
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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ir->last_key = keycode;
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ir->last_toggle = toggle;
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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ir->keyup_timer.expires = jiffies + UP_TIMEOUT;
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add_timer(&ir->keyup_timer);
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:21 -07:00
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/* register with input layer */
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static void input_register_keys(struct infrared *ir)
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2005-04-16 15:20:36 -07:00
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{
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int i;
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2007-04-27 08:31:21 -07:00
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set_bit(EV_KEY, ir->input_dev->evbit);
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set_bit(EV_REP, ir->input_dev->evbit);
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2007-04-27 08:31:24 -07:00
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set_bit(EV_MSC, ir->input_dev->evbit);
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set_bit(MSC_RAW, ir->input_dev->mscbit);
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set_bit(MSC_SCAN, ir->input_dev->mscbit);
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2005-04-16 15:20:36 -07:00
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2007-04-27 08:31:21 -07:00
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memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));
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for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) {
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if (ir->key_map[i] > KEY_MAX)
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ir->key_map[i] = 0;
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else if (ir->key_map[i] > KEY_RESERVED)
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set_bit(ir->key_map[i], ir->input_dev->keybit);
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:21 -07:00
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ir->input_dev->keycode = ir->key_map;
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ir->input_dev->keycodesize = sizeof(ir->key_map[0]);
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ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map);
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:21 -07:00
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/* called by the input driver after rep[REP_DELAY] ms */
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static void input_repeat_key(unsigned long parm)
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2005-04-16 15:20:36 -07:00
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{
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2007-04-27 08:31:21 -07:00
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struct infrared *ir = (struct infrared *) parm;
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ir->delay_timer_finished = 1;
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2005-04-16 15:20:36 -07:00
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}
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2007-04-27 08:31:21 -07:00
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/* check for configuration changes */
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int av7110_check_ir_config(struct av7110 *av7110, int force)
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2006-01-23 04:58:17 -07:00
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{
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2007-04-27 08:31:21 -07:00
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int i;
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int modified = force;
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int ret = -ENODEV;
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2006-01-23 04:58:17 -07:00
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2007-04-27 08:31:21 -07:00
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for (i = 0; i < av_cnt; i++)
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if (av7110 == av_list[i])
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break;
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if (i < av_cnt && av7110) {
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if ((av7110->ir.protocol & 1) != ir_protocol[i] ||
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av7110->ir.inversion != ir_inversion[i])
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modified = true;
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if (modified) {
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/* protocol */
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if (ir_protocol[i]) {
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ir_protocol[i] = 1;
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av7110->ir.protocol = IR_RCMM;
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av7110->ir.ir_config = 0x0001;
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} else if (FW_VERSION(av7110->arm_app) >= 0x2620) {
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av7110->ir.protocol = IR_RC5_EXT;
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av7110->ir.ir_config = 0x0002;
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} else {
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av7110->ir.protocol = IR_RC5;
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av7110->ir.ir_config = 0x0000;
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}
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/* inversion */
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if (ir_inversion[i]) {
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ir_inversion[i] = 1;
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av7110->ir.ir_config |= 0x8000;
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}
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av7110->ir.inversion = ir_inversion[i];
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/* update ARM */
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ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
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av7110->ir.ir_config);
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} else
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ret = 0;
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/* address */
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if (av7110->ir.device_mask != ir_device_mask[i])
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av7110->ir.device_mask = ir_device_mask[i];
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2006-01-23 04:58:17 -07:00
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}
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2007-04-27 08:31:21 -07:00
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2006-01-23 04:58:17 -07:00
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return ret;
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}
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2007-04-27 08:31:21 -07:00
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/* /proc/av7110_ir interface */
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2009-12-21 17:21:47 -07:00
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static ssize_t av7110_ir_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
|
2005-04-16 15:20:36 -07:00
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{
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char *page;
|
2005-09-09 13:03:12 -07:00
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u32 ir_config;
|
2007-04-27 08:31:21 -07:00
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int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
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2005-09-09 13:03:12 -07:00
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int i;
|
2005-04-16 15:20:36 -07:00
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if (count < size)
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return -EINVAL;
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|
2007-08-25 07:23:54 -07:00
|
|
|
page = vmalloc(size);
|
2005-04-16 15:20:36 -07:00
|
|
|
if (!page)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
if (copy_from_user(page, buffer, size)) {
|
|
|
|
vfree(page);
|
|
|
|
return -EFAULT;
|
|
|
|
}
|
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
memcpy(&ir_config, page, sizeof ir_config);
|
|
|
|
|
|
|
|
for (i = 0; i < av_cnt; i++) {
|
|
|
|
/* keymap */
|
|
|
|
memcpy(av_list[i]->ir.key_map, page + sizeof ir_config,
|
|
|
|
sizeof(av_list[i]->ir.key_map));
|
|
|
|
/* protocol, inversion, address */
|
|
|
|
ir_protocol[i] = ir_config & 0x0001;
|
|
|
|
ir_inversion[i] = ir_config & 0x8000 ? 1 : 0;
|
|
|
|
if (ir_config & 0x4000)
|
|
|
|
ir_device_mask[i] = 1 << ((ir_config >> 16) & 0x1f);
|
|
|
|
else
|
|
|
|
ir_device_mask[i] = IR_ALL;
|
|
|
|
/* update configuration */
|
|
|
|
av7110_check_ir_config(av_list[i], false);
|
|
|
|
input_register_keys(&av_list[i]->ir);
|
|
|
|
}
|
2005-04-16 15:20:36 -07:00
|
|
|
vfree(page);
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2009-12-21 17:21:47 -07:00
|
|
|
static const struct file_operations av7110_ir_proc_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.write = av7110_ir_proc_write,
|
|
|
|
};
|
2005-04-16 15:20:36 -07:00
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
/* interrupt handler */
|
2005-09-09 13:03:12 -07:00
|
|
|
static void ir_handler(struct av7110 *av7110, u32 ircom)
|
|
|
|
{
|
2007-04-27 08:31:21 -07:00
|
|
|
dprintk(4, "ir command = %08x\n", ircom);
|
|
|
|
av7110->ir.ir_command = ircom;
|
|
|
|
tasklet_schedule(&av7110->ir.ir_tasklet);
|
2005-09-09 13:03:12 -07:00
|
|
|
}
|
2005-04-16 15:20:36 -07:00
|
|
|
|
|
|
|
|
2006-02-26 20:09:20 -07:00
|
|
|
int __devinit av7110_ir_init(struct av7110 *av7110)
|
2005-09-09 13:03:12 -07:00
|
|
|
{
|
2007-04-27 08:31:21 -07:00
|
|
|
struct input_dev *input_dev;
|
2005-09-09 13:03:12 -07:00
|
|
|
static struct proc_dir_entry *e;
|
2006-11-20 06:23:04 -07:00
|
|
|
int err;
|
2005-04-16 15:20:36 -07:00
|
|
|
|
2007-02-14 17:57:42 -07:00
|
|
|
if (av_cnt >= ARRAY_SIZE(av_list))
|
2005-09-09 13:03:12 -07:00
|
|
|
return -ENOSPC;
|
2005-04-16 15:20:36 -07:00
|
|
|
|
2005-09-09 13:03:12 -07:00
|
|
|
av_list[av_cnt++] = av7110;
|
2007-03-12 17:45:46 -07:00
|
|
|
av7110_check_ir_config(av7110, true);
|
2005-04-16 15:20:36 -07:00
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
init_timer(&av7110->ir.keyup_timer);
|
|
|
|
av7110->ir.keyup_timer.function = av7110_emit_keyup;
|
|
|
|
av7110->ir.keyup_timer.data = (unsigned long) &av7110->ir;
|
|
|
|
|
|
|
|
input_dev = input_allocate_device();
|
|
|
|
if (!input_dev)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
av7110->ir.input_dev = input_dev;
|
|
|
|
snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
|
|
|
|
"pci-%s/ir0", pci_name(av7110->dev->pci));
|
2005-09-09 13:03:12 -07:00
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
input_dev->name = "DVB on-card IR receiver";
|
|
|
|
|
|
|
|
input_dev->phys = av7110->ir.input_phys;
|
|
|
|
input_dev->id.bustype = BUS_PCI;
|
|
|
|
input_dev->id.version = 2;
|
|
|
|
if (av7110->dev->pci->subsystem_vendor) {
|
|
|
|
input_dev->id.vendor = av7110->dev->pci->subsystem_vendor;
|
|
|
|
input_dev->id.product = av7110->dev->pci->subsystem_device;
|
|
|
|
} else {
|
|
|
|
input_dev->id.vendor = av7110->dev->pci->vendor;
|
|
|
|
input_dev->id.product = av7110->dev->pci->device;
|
|
|
|
}
|
2007-07-16 05:28:15 -07:00
|
|
|
input_dev->dev.parent = &av7110->dev->pci->dev;
|
2007-04-27 08:31:21 -07:00
|
|
|
/* initial keymap */
|
|
|
|
memcpy(av7110->ir.key_map, default_key_map, sizeof av7110->ir.key_map);
|
|
|
|
input_register_keys(&av7110->ir);
|
|
|
|
err = input_register_device(input_dev);
|
|
|
|
if (err) {
|
|
|
|
input_free_device(input_dev);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
input_dev->timer.function = input_repeat_key;
|
|
|
|
input_dev->timer.data = (unsigned long) &av7110->ir;
|
|
|
|
|
|
|
|
if (av_cnt == 1) {
|
2009-12-21 17:21:47 -07:00
|
|
|
e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops);
|
|
|
|
if (e)
|
2005-09-09 13:03:12 -07:00
|
|
|
e->size = 4 + 256 * sizeof(u16);
|
2005-04-16 15:20:36 -07:00
|
|
|
}
|
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
|
|
|
|
av7110->ir.ir_handler = ir_handler;
|
2005-09-09 13:03:12 -07:00
|
|
|
|
2005-04-16 15:20:36 -07:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-02-26 20:09:20 -07:00
|
|
|
void __devexit av7110_ir_exit(struct av7110 *av7110)
|
2005-04-16 15:20:36 -07:00
|
|
|
{
|
2005-09-09 13:03:12 -07:00
|
|
|
int i;
|
|
|
|
|
|
|
|
if (av_cnt == 0)
|
2005-04-16 15:20:36 -07:00
|
|
|
return;
|
2005-09-09 13:03:12 -07:00
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
del_timer_sync(&av7110->ir.keyup_timer);
|
|
|
|
av7110->ir.ir_handler = NULL;
|
|
|
|
tasklet_kill(&av7110->ir.ir_tasklet);
|
|
|
|
|
2005-09-09 13:03:12 -07:00
|
|
|
for (i = 0; i < av_cnt; i++)
|
|
|
|
if (av_list[i] == av7110) {
|
|
|
|
av_list[i] = av_list[av_cnt-1];
|
|
|
|
av_list[av_cnt-1] = NULL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
if (av_cnt == 1)
|
2005-09-09 13:03:12 -07:00
|
|
|
remove_proc_entry("av7110_ir", NULL);
|
2007-04-27 08:31:21 -07:00
|
|
|
|
|
|
|
input_unregister_device(av7110->ir.input_dev);
|
2005-09-09 13:03:12 -07:00
|
|
|
|
|
|
|
av_cnt--;
|
2005-04-16 15:20:36 -07:00
|
|
|
}
|
|
|
|
|
2007-04-27 08:31:21 -07:00
|
|
|
//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>, Oliver Endriss <o.endriss@gmx.de>");
|
2005-04-16 15:20:36 -07:00
|
|
|
//MODULE_LICENSE("GPL");
|