1/**************************************************************** 2 3 Siano Mobile Silicon, Inc. 4 MDTV receiver kernel modules. 5 Copyright (C) 2006-2009, Uri Shkolnik 6 7 Copyright (c) 2010 - Mauro Carvalho Chehab 8 - Ported the driver to use rc-core 9 - IR raw event decoding is now done at rc-core 10 - Code almost re-written 11 12 This program is free software: you can redistribute it and/or modify 13 it under the terms of the GNU General Public License as published by 14 the Free Software Foundation, either version 2 of the License, or 15 (at your option) any later version. 16 17 This program is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 GNU General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with this program. If not, see <http://www.gnu.org/licenses/>. 24 25 ****************************************************************/ 26 27 28#include <linux/types.h> 29#include <linux/input.h> 30 31#include "smscoreapi.h" 32#include "smsir.h" 33#include "sms-cards.h" 34 35#define MODULE_NAME "smsmdtv" 36 37void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len) 38{ 39 int i; 40 const s32 *samples = (const void *)buf; 41 42 for (i = 0; i < len >> 2; i++) { 43 struct ir_raw_event ev; 44 45 ev.duration = abs(samples[i]) * 1000; /* Convert to ns */ 46 ev.pulse = (samples[i] > 0) ? false : true; 47 48 ir_raw_event_store(coredev->ir.input_dev, &ev); 49 } 50 ir_raw_event_handle(coredev->ir.input_dev); 51} 52 53int sms_ir_init(struct smscore_device_t *coredev) 54{ 55 struct input_dev *input_dev; 56 int board_id = smscore_get_board_id(coredev); 57 58 sms_log("Allocating input device"); 59 input_dev = input_allocate_device(); 60 if (!input_dev) { 61 sms_err("Not enough memory"); 62 return -ENOMEM; 63 } 64 65 coredev->ir.input_dev = input_dev; 66 67 coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ 68 coredev->ir.timeout = IR_DEFAULT_TIMEOUT; 69 sms_log("IR port %d, timeout %d ms", 70 coredev->ir.controller, coredev->ir.timeout); 71 72 snprintf(coredev->ir.name, sizeof(coredev->ir.name), 73 "SMS IR (%s)", sms_get_board(board_id)->name); 74 75 strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys)); 76 strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys)); 77 78 input_dev->name = coredev->ir.name; 79 input_dev->phys = coredev->ir.phys; 80 input_dev->dev.parent = coredev->device; 81 82 83 coredev->ir.props.priv = coredev; 84 coredev->ir.props.driver_type = RC_DRIVER_IR_RAW; 85 coredev->ir.props.allowed_protos = IR_TYPE_ALL; 86 87 sms_log("Input device (IR) %s is set for key events", input_dev->name); 88 89 if (ir_input_register(input_dev, sms_get_board(board_id)->rc_codes, 90 &coredev->ir.props, MODULE_NAME)) { 91 sms_err("Failed to register device"); 92 input_free_device(input_dev); 93 return -EACCES; 94 } 95 96 return 0; 97} 98 99void sms_ir_exit(struct smscore_device_t *coredev) 100{ 101 if (coredev->ir.input_dev) 102 ir_input_unregister(coredev->ir.input_dev); 103 104 sms_log(""); 105} 106