--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2011 Intel Corporation.
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include "parser.h"
+
+/* ctype entries */
+#define AVC_CTYPE_CONTROL 0x0
+#define AVC_CTYPE_STATUS 0x1
+#define AVC_CTYPE_SPECIFIC_INQUIRY 0x2
+#define AVC_CTYPE_NOTIFY 0x3
+#define AVC_CTYPE_GENERAL_INQUIRY 0x4
+#define AVC_CTYPE_NOT_IMPLEMENTED 0x8
+#define AVC_CTYPE_ACCEPTED 0x9
+#define AVC_CTYPE_REJECTED 0xA
+#define AVC_CTYPE_IN_TRANSITION 0xB
+#define AVC_CTYPE_STABLE 0xC
+#define AVC_CTYPE_CHANGED 0xD
+#define AVC_CTYPE_INTERIM 0xF
+
+/* subunit type */
+#define AVC_SUBUNIT_MONITOR 0x00
+#define AVC_SUBUNIT_AUDIO 0x01
+#define AVC_SUBUNIT_PRINTER 0x02
+#define AVC_SUBUNIT_DISC 0x03
+#define AVC_SUBUNIT_TAPE 0x04
+#define AVC_SUBUNIT_TURNER 0x05
+#define AVC_SUBUNIT_CA 0x06
+#define AVC_SUBUNIT_CAMERA 0x07
+#define AVC_SUBUNIT_PANEL 0x09
+#define AVC_SUBUNIT_BULLETIN_BOARD 0x0a
+#define AVC_SUBUNIT_CAMERA_STORAGE 0x0b
+#define AVC_SUBUNIT_VENDOR_UNIQUE 0x0c
+#define AVC_SUBUNIT_EXTENDED 0x1e
+#define AVC_SUBUNIT_UNIT 0x1f
+
+/* opcodes */
+#define AVC_OP_VENDORDEP 0x00
+#define AVC_OP_UNITINFO 0x30
+#define AVC_OP_SUBUNITINFO 0x31
+#define AVC_OP_PASSTHROUGH 0x7c
+
+/* operands in passthrough commands */
+#define AVC_PANEL_VOLUME_UP 0x41
+#define AVC_PANEL_VOLUME_DOWN 0x42
+#define AVC_PANEL_MUTE 0x43
+#define AVC_PANEL_PLAY 0x44
+#define AVC_PANEL_STOP 0x45
+#define AVC_PANEL_PAUSE 0x46
+#define AVC_PANEL_RECORD 0x47
+#define AVC_PANEL_REWIND 0x48
+#define AVC_PANEL_FAST_FORWARD 0x49
+#define AVC_PANEL_EJECT 0x4a
+#define AVC_PANEL_FORWARD 0x4b
+#define AVC_PANEL_BACKWARD 0x4c
+
+static const char *ctype2str(uint8_t ctype)
+{
+ switch (ctype & 0x0f) {
+ case AVC_CTYPE_CONTROL:
+ return "Control";
+ case AVC_CTYPE_STATUS:
+ return "Status";
+ case AVC_CTYPE_SPECIFIC_INQUIRY:
+ return "Specific Inquiry";
+ case AVC_CTYPE_NOTIFY:
+ return "Notify";
+ case AVC_CTYPE_GENERAL_INQUIRY:
+ return "General Inquiry";
+ case AVC_CTYPE_NOT_IMPLEMENTED:
+ return "Not Implemented";
+ case AVC_CTYPE_ACCEPTED:
+ return "Accepted";
+ case AVC_CTYPE_REJECTED:
+ return "Rejected";
+ case AVC_CTYPE_IN_TRANSITION:
+ return "In Transition";
+ case AVC_CTYPE_STABLE:
+ return "Stable";
+ case AVC_CTYPE_CHANGED:
+ return "Changed";
+ case AVC_CTYPE_INTERIM:
+ return "Interim";
+ default:
+ return "Unknown";
+ }
+}
+
+static const char *opcode2str(uint8_t opcode)
+{
+ switch (opcode) {
+ case AVC_OP_VENDORDEP:
+ return "Vendor Dependent";
+ case AVC_OP_UNITINFO:
+ return "Unit Info";
+ case AVC_OP_SUBUNITINFO:
+ return "Subunit Info";
+ case AVC_OP_PASSTHROUGH:
+ return "Passthrough";
+ default:
+ return "Unknown";
+ }
+}
+
+static char *op2str(uint8_t op)
+{
+ switch (op & 0x7f) {
+ case AVC_PANEL_VOLUME_UP:
+ return "VOLUME UP";
+ case AVC_PANEL_VOLUME_DOWN:
+ return "VOLUME DOWN";
+ case AVC_PANEL_MUTE:
+ return "MUTE";
+ case AVC_PANEL_PLAY:
+ return "PLAY";
+ case AVC_PANEL_STOP:
+ return "STOP";
+ case AVC_PANEL_PAUSE:
+ return "PAUSE";
+ case AVC_PANEL_RECORD:
+ return "RECORD";
+ case AVC_PANEL_REWIND:
+ return "REWIND";
+ case AVC_PANEL_FAST_FORWARD:
+ return "FAST FORWARD";
+ case AVC_PANEL_EJECT:
+ return "EJECT";
+ case AVC_PANEL_FORWARD:
+ return "FORWARD";
+ case AVC_PANEL_BACKWARD:
+ return "BACKWARD";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+
+static void avrcp_passthrough_dump(int level, struct frame *frm)
+{
+ uint8_t op, len;
+
+ p_indent(level, frm);
+
+ op = get_u8(frm);
+ printf("Operation: 0x%02x (%s %s)\n", op, op2str(op),
+ op & 0x80 ? "Released" : "Pressed");
+
+ p_indent(level, frm);
+
+ len = get_u8(frm);
+
+ printf("Lenght: 0x%02x\n", len);
+
+ raw_dump(level, frm);
+}
+
+static const char *subunit2str(uint8_t subunit)
+{
+ switch (subunit) {
+ case AVC_SUBUNIT_MONITOR:
+ return "Monitor";
+ case AVC_SUBUNIT_AUDIO:
+ return "Audio";
+ case AVC_SUBUNIT_PRINTER:
+ return "Printer";
+ case AVC_SUBUNIT_DISC:
+ return "Disc";
+ case AVC_SUBUNIT_TAPE:
+ return "Tape";
+ case AVC_SUBUNIT_TURNER:
+ return "Turner";
+ case AVC_SUBUNIT_CA:
+ return "CA";
+ case AVC_SUBUNIT_CAMERA:
+ return "Camera";
+ case AVC_SUBUNIT_PANEL:
+ return "Panel";
+ case AVC_SUBUNIT_BULLETIN_BOARD:
+ return "Bulleting Board";
+ case AVC_SUBUNIT_CAMERA_STORAGE:
+ return "Camera Storage";
+ case AVC_SUBUNIT_VENDOR_UNIQUE:
+ return "Vendor Unique";
+ case AVC_SUBUNIT_EXTENDED:
+ return "Extended to next byte";
+ case AVC_SUBUNIT_UNIT:
+ return "Unit";
+ default:
+ return "Reserved";
+ }
+}
+
+void avrcp_dump(int level, struct frame *frm)
+{
+ uint8_t ctype, address, subunit, opcode;
+
+ p_indent(level, frm);
+
+ ctype = get_u8(frm);
+ address = get_u8(frm);
+ opcode = get_u8(frm);
+
+ printf("AV/C: %s: address 0x%02x opcode 0x%02x\n", ctype2str(ctype),
+ address, opcode);
+
+ p_indent(level + 1, frm);
+
+ subunit = address >> 3;
+ printf("Subunit: %s\n", subunit2str(subunit));
+
+ p_indent(level + 1, frm);
+
+ printf("Opcode: %s\n", opcode2str(opcode));
+
+ /* Skip non-panel subunit packets */
+ if (subunit != AVC_SUBUNIT_PANEL) {
+ raw_dump(level, frm);
+ return;
+ }
+
+ switch (opcode) {
+ case AVC_OP_PASSTHROUGH:
+ avrcp_passthrough_dump(level + 1, frm);
+ break;
+ default:
+ raw_dump(level, frm);
+ }
+}
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