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 37 void 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 DEFINE_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.dev, &ev); 49 } 50 ir_raw_event_handle(coredev->ir.dev); 51 } 52 53 int sms_ir_init(struct smscore_device_t *coredev) 54 { 55 int err; 56 int board_id = smscore_get_board_id(coredev); 57 struct rc_dev *dev; 58 59 sms_log("Allocating rc device"); 60 dev = rc_allocate_device(); 61 if (!dev) { 62 sms_err("Not enough memory"); 63 return -ENOMEM; 64 } 65 66 coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ 67 coredev->ir.timeout = IR_DEFAULT_TIMEOUT; 68 sms_log("IR port %d, timeout %d ms", 69 coredev->ir.controller, coredev->ir.timeout); 70 71 snprintf(coredev->ir.name, sizeof(coredev->ir.name), 72 "SMS IR (%s)", sms_get_board(board_id)->name); 73 74 strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys)); 75 strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys)); 76 77 dev->input_name = coredev->ir.name; 78 dev->input_phys = coredev->ir.phys; 79 dev->dev.parent = coredev->device; 80 81 #if 0 82 /* TODO: properly initialize the parameters bellow */ 83 dev->input_id.bustype = BUS_USB; 84 dev->input_id.version = 1; 85 dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); 86 dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct); 87 #endif 88 89 dev->priv = coredev; 90 dev->driver_type = RC_DRIVER_IR_RAW; 91 dev->allowed_protos = RC_TYPE_ALL; 92 dev->map_name = sms_get_board(board_id)->rc_codes; 93 dev->driver_name = MODULE_NAME; 94 95 sms_log("Input device (IR) %s is set for key events", dev->input_name); 96 97 err = rc_register_device(dev); 98 if (err < 0) { 99 sms_err("Failed to register device"); 100 rc_free_device(dev); 101 return err; 102 } 103 104 coredev->ir.dev = dev; 105 return 0; 106 } 107 108 void sms_ir_exit(struct smscore_device_t *coredev) 109 { 110 if (coredev->ir.dev) 111 rc_unregister_device(coredev->ir.dev); 112 113 sms_log(""); 114 } 115