package/lqtapi/src/tapi/tapi-input.c

   1
   2 #include <linux/tapi/tapi.h>
   3
   4 #include <linux/input.h>
   5
   6 static unsigned short tapi_keycodes[] = {
   7         [0] = KEY_NUMERIC_0,
   8         [1] = KEY_NUMERIC_1,
   9         [2] = KEY_NUMERIC_2,
  10         [3] = KEY_NUMERIC_3,
  11         [4] = KEY_NUMERIC_4,
  12         [5] = KEY_NUMERIC_5,
  13         [6] = KEY_NUMERIC_6,
  14         [7] = KEY_NUMERIC_7,
  15         [8] = KEY_NUMERIC_8,
  16         [9] = KEY_NUMERIC_9,
  17         [10] = KEY_NUMERIC_STAR,
  18         [11] = KEY_NUMERIC_POUND,
  19         [12] = KEY_ENTER,
  20         [13] = KEY_ESC,
  21 };
  22
  23 static int tapi_input_event(struct input_dev *input, unsigned int type,
  24         unsigned int code, int value)
  25 {
  26         struct tapi_device *tdev = dev_to_tapi(input->dev.parent);
  27         struct tapi_port *port = input_get_drvdata(input);
  28
  29
  30         if (type != EV_SND || code != SND_BELL)
  31                 return -EINVAL;
  32
  33         tapi_port_set_ring(tdev, port, value);
  34
  35         return 0;
  36 }
  37
  38 void tapi_alloc_input(struct tapi_device *tdev, struct tapi_port *port)
  39 {
  40         struct input_dev *input;
  41         int i;
  42         char *phys;
  43
  44         input = input_allocate_device();
  45
  46         phys = kzalloc(sizeof("tapi/input000"), GFP_KERNEL);
  47         sprintf(phys, "tapi/input%d", port->id);
  48
  49         input->name = "tapi";
  50         input->phys = phys;
  51         input->id.bustype = BUS_HOST;
  52         input->dev.parent = &tdev->dev;
  53         input->evbit[0] = BIT(EV_KEY) | BIT(EV_SND);
  54         input->sndbit[0] = BIT(SND_BELL);
  55
  56         input->event = tapi_input_event;
  57
  58         input->keycodesize = sizeof(unsigned short);
  59         input->keycodemax = ARRAY_SIZE(tapi_keycodes);
  60         input->keycode = tapi_keycodes;
  61
  62         port->input = input;
  63
  64         for (i = 0; i < ARRAY_SIZE(tapi_keycodes); ++i)
  65                 __set_bit(tapi_keycodes[i], input->keybit);
  66
  67         input_set_drvdata(input, port);
  68         input_register_device(input);
  69 }
  70
  71 void tapi_report_event(struct tapi_device *tdev,
  72         struct tapi_event *event)
  73 {
  74         unsigned short key_code;
  75         struct input_dev *input;
  76
  77         if (!tdev || !tdev->ports)
  78                 return;
  79
  80         switch (event->type) {
  81                 case TAPI_EVENT_TYPE_HOOK:
  82                         if (event->hook.on)
  83                                 key_code = KEY_ENTER;
  84                         else
  85                                 key_code = KEY_ESC;
  86                         break;
  87                 case TAPI_EVENT_TYPE_DTMF:
  88                         key_code = tapi_keycodes[event->dtmf.code];
  89                         break;
  90                 default:
  91                         return;
  92         }
  93
  94         input = tdev->ports[event->port].input;
  95         input_report_key(input, key_code, 1);
  96         input_sync(input);
  97         input_report_key(input, key_code, 0);
  98         input_sync(input);
  99 }