| paul@153 | 1 | /* |
| paul@153 | 2 | * Provide access to keypad events on the configured device. |
| paul@153 | 3 | * |
| paul@153 | 4 | * Copyright (C) 2018, 2023 Paul Boddie <paul@boddie.org.uk> |
| paul@153 | 5 | * |
| paul@153 | 6 | * This program is free software; you can redistribute it and/or |
| paul@153 | 7 | * modify it under the terms of the GNU General Public License as |
| paul@153 | 8 | * published by the Free Software Foundation; either version 2 of |
| paul@153 | 9 | * the License, or (at your option) any later version. |
| paul@153 | 10 | * |
| paul@153 | 11 | * This program is distributed in the hope that it will be useful, |
| paul@153 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| paul@153 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| paul@153 | 14 | * GNU General Public License for more details. |
| paul@153 | 15 | * |
| paul@153 | 16 | * You should have received a copy of the GNU General Public License |
| paul@153 | 17 | * along with this program; if not, write to the Free Software |
| paul@153 | 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| paul@153 | 19 | * Boston, MA 02110-1301, USA |
| paul@153 | 20 | */ |
| paul@153 | 21 | |
| paul@153 | 22 | #include "input-event-server.h" |
| paul@153 | 23 | |
| paul@153 | 24 | #include <l4/re/event> |
| paul@153 | 25 | #include <l4/sys/irq.h> |
| paul@153 | 26 | #include <l4/sys/kip.h> |
| paul@153 | 27 | |
| paul@153 | 28 | |
| paul@153 | 29 | |
| paul@153 | 30 | /* Reset the buffer state and return the buffer memory capability. */ |
| paul@153 | 31 | |
| paul@153 | 32 | long Input_event_server::get_buffer(l4re_ds_t *mem) |
| paul@153 | 33 | { |
| paul@153 | 34 | _events.reset(); |
| paul@153 | 35 | *mem = _mem; |
| paul@153 | 36 | return L4_EOK; |
| paul@153 | 37 | } |
| paul@153 | 38 | |
| paul@153 | 39 | /* Obtain the interrupt capability. */ |
| paul@153 | 40 | |
| paul@153 | 41 | long Input_event_server::bind(unsigned int irqnum, l4_cap_idx_t irq) |
| paul@153 | 42 | { |
| paul@153 | 43 | (void) irqnum; |
| paul@153 | 44 | |
| paul@153 | 45 | _irq = irq; |
| paul@153 | 46 | return L4_EOK; |
| paul@153 | 47 | } |
| paul@153 | 48 | |
| paul@153 | 49 | |
| paul@153 | 50 | |
| paul@153 | 51 | /* Event sending methods. */ |
| paul@153 | 52 | |
| paul@153 | 53 | void Input_event_server::send_event(int type, int code, int value) |
| paul@153 | 54 | { |
| paul@153 | 55 | L4Re::Event_buffer::Event event; |
| paul@153 | 56 | |
| paul@153 | 57 | event.time = l4_kip_clock(l4re_kip()); |
| paul@153 | 58 | event.payload.stream_id = 0; |
| paul@153 | 59 | event.payload.type = type; |
| paul@153 | 60 | event.payload.code = code; |
| paul@153 | 61 | event.payload.value = value; |
| paul@153 | 62 | |
| paul@153 | 63 | /* Queue the event and trigger the interrupt. */ |
| paul@153 | 64 | |
| paul@153 | 65 | _events.put(event); |
| paul@153 | 66 | l4_irq_trigger(_irq); |
| paul@153 | 67 | } |
