drivers/media/pci/mantis/mantis_input.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3         Mantis PCI bridge driver
   4
   5         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6
   7 */
   8
   9 #include <media/rc-core.h>
  10 #include <linux/pci.h>
  11
  12 #include <media/dmxdev.h>
  13 #include <media/dvbdev.h>
  14 #include <media/dvb_demux.h>
  15 #include <media/dvb_frontend.h>
  16 #include <media/dvb_net.h>
  17
  18 #include "mantis_common.h"
  19 #include "mantis_input.h"
  20
  21 #define MODULE_NAME "mantis_core"
  22
  23 void mantis_input_process(struct mantis_pci *mantis, int scancode)
  24 {
  25         if (mantis->rc)
  26                 rc_keydown(mantis->rc, RC_PROTO_UNKNOWN, scancode, 0);
  27 }
  28
  29 int mantis_input_init(struct mantis_pci *mantis)
  30 {
  31         struct rc_dev *dev;
  32         int err;
  33
  34         dev = rc_allocate_device(RC_DRIVER_SCANCODE);
  35         if (!dev) {
  36                 dprintk(MANTIS_ERROR, 1, "Remote device allocation failed");
  37                 err = -ENOMEM;
  38                 goto out;
  39         }
  40
  41         snprintf(mantis->device_name, sizeof(mantis->device_name),
  42                  "Mantis %s IR receiver", mantis->hwconfig->model_name);
  43         snprintf(mantis->input_phys, sizeof(mantis->input_phys),
  44                  "pci-%s/ir0", pci_name(mantis->pdev));
  45
  46         dev->device_name        = mantis->device_name;
  47         dev->input_phys         = mantis->input_phys;
  48         dev->input_id.bustype   = BUS_PCI;
  49         dev->input_id.vendor    = mantis->vendor_id;
  50         dev->input_id.product   = mantis->device_id;
  51         dev->input_id.version   = 1;
  52         dev->driver_name        = MODULE_NAME;
  53         dev->map_name           = mantis->rc_map_name ? : RC_MAP_EMPTY;
  54         dev->dev.parent         = &mantis->pdev->dev;
  55
  56         err = rc_register_device(dev);
  57         if (err) {
  58                 dprintk(MANTIS_ERROR, 1, "IR device registration failed, ret = %d", err);
  59                 goto out_dev;
  60         }
  61
  62         mantis->rc = dev;
  63         return 0;
  64
  65 out_dev:
  66         rc_free_device(dev);
  67 out:
  68         return err;
  69 }
  70 EXPORT_SYMBOL_GPL(mantis_input_init);
  71
  72 void mantis_input_exit(struct mantis_pci *mantis)
  73 {
  74         rc_unregister_device(mantis->rc);
  75 }
  76 EXPORT_SYMBOL_GPL(mantis_input_exit);