alsa-acp: Add libacp based card device

libacp is a port and wrapper around the pulseaudio card profile code.
It uses a set of templates for construct a card profile and mixer port
settings. It also has support for UCM when available for the hardware.

spa/plugins/alsa/acp/card.h

@@ -0,0 +1,70 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+  Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio 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 Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+
+#ifndef PULSE_CARD_H
+#define PULSE_CARD_H
+
+#ifdef __cplusplus
+extern "C" {
+#else
+#include <stdbool.h>
+#endif
+
+#include "compat.h"
+
+typedef struct pa_card pa_card;
+
+struct pa_card {
+	struct acp_card card;
+
+	pa_core *core;
+
+	char *name;
+	char *driver;
+
+	pa_proplist *proplist;
+
+	bool use_ucm;
+
+	pa_alsa_ucm_config ucm;
+	pa_alsa_profile_set *profile_set;
+
+	pa_hashmap *ports;
+	pa_hashmap *profiles;
+	pa_hashmap *jacks;
+
+	struct {
+		pa_dynarray ports;
+		pa_dynarray profiles;
+		pa_dynarray devices;
+	} out;
+
+	const struct acp_card_events *events;
+	void *user_data;
+};
+
+bool pa_alsa_device_init_description(pa_proplist *p, pa_card *card);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PULSE_CARD_H */