[mirror_ubuntu-artful-kernel.git] / sound / firewire / oxfw / oxfw.h

/*
 * oxfw.h - a part of driver for OXFW970/971 based devices
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 * Licensed under the terms of the GNU General Public License, version 2.
 */

#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/slab.h>

#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>

#include "../lib.h"
#include "../fcp.h"
#include "../packets-buffer.h"
#include "../iso-resources.h"
#include "../amdtp.h"
#include "../cmp.h"

struct device_info {
	const char *driver_name;
	const char *vendor_name;
	const char *model_name;
	unsigned int mixer_channels;
	u8 mute_fb_id;
	u8 volume_fb_id;
};

/* This is an arbitrary number for convinience. */
#define	SND_OXFW_STREAM_FORMAT_ENTRIES	10
struct snd_oxfw {
	struct snd_card *card;
	struct fw_unit *unit;
	const struct device_info *device_info;
	struct mutex mutex;

	u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
	bool assumed;
	struct cmp_connection in_conn;
	struct amdtp_stream rx_stream;

	bool mute;
	s16 volume[6];
	s16 volume_min;
	s16 volume_max;
};

/*
 * AV/C Stream Format Information Specification 1.1 Working Draft
 * (Apr 2005, 1394TA)
 */
int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
			  unsigned int pid, u8 *format, unsigned int len);
int avc_stream_get_format(struct fw_unit *unit,
			  enum avc_general_plug_dir dir, unsigned int pid,
			  u8 *buf, unsigned int *len, unsigned int eid);
static inline int
avc_stream_get_format_single(struct fw_unit *unit,
			     enum avc_general_plug_dir dir, unsigned int pid,
			     u8 *buf, unsigned int *len)
{
	return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
}
static inline int
avc_stream_get_format_list(struct fw_unit *unit,
			   enum avc_general_plug_dir dir, unsigned int pid,
			   u8 *buf, unsigned int *len,
			   unsigned int eid)
{
	return avc_stream_get_format(unit, dir, pid, buf, len, eid);
}

/*
 * AV/C Digital Interface Command Set General Specification 4.2
 * (Sep 2004, 1394TA)
 */
int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
				enum avc_general_plug_dir dir,
				unsigned short pid);

int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw);
int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw);

struct snd_oxfw_stream_formation {
	unsigned int rate;
	unsigned int pcm;
	unsigned int midi;
};
int snd_oxfw_stream_parse_format(u8 *format,
				 struct snd_oxfw_stream_formation *formation);
int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
				enum avc_general_plug_dir dir,
				struct snd_oxfw_stream_formation *formation);
int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);

int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);

int snd_oxfw_create_mixer(struct snd_oxfw *oxfw);
Commit	Line	Data
e2786ca6 TS	1	/*
	2	* oxfw.h - a part of driver for OXFW970/971 based devices
	3	*
	4	* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
	5	* Licensed under the terms of the GNU General Public License, version 2.
	6	*/
	7
	8	#include <linux/device.h>
	9	#include <linux/firewire.h>
	10	#include <linux/firewire-constants.h>
	11	#include <linux/module.h>
	12	#include <linux/mod_devicetable.h>
	13	#include <linux/mutex.h>
	14	#include <linux/slab.h>
	15
	16	#include <sound/control.h>
	17	#include <sound/core.h>
	18	#include <sound/initval.h>
	19	#include <sound/pcm.h>
	20	#include <sound/pcm_params.h>
	21
	22	#include "../lib.h"
	23	#include "../fcp.h"
	24	#include "../packets-buffer.h"
	25	#include "../iso-resources.h"
	26	#include "../amdtp.h"
	27	#include "../cmp.h"
	28
	29	struct device_info {
	30	const char *driver_name;
fec7b753 TS	31	const char *vendor_name;
fec7b753 TS	32	const char *model_name;
e2786ca6 TS	33	unsigned int mixer_channels;
	34	u8 mute_fb_id;
	35	u8 volume_fb_id;
	36	};
	37
5cd1d3f4 TS	38	/* This is an arbitrary number for convinience. */
5cd1d3f4 TS	39	#define SND_OXFW_STREAM_FORMAT_ENTRIES 10
e2786ca6 TS	40	struct snd_oxfw {
	41	struct snd_card *card;
	42	struct fw_unit *unit;
	43	const struct device_info *device_info;
	44	struct mutex mutex;
5cd1d3f4 TS	45
	46	u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
	47	bool assumed;
e2786ca6 TS	48	struct cmp_connection in_conn;
e2786ca6 TS	49	struct amdtp_stream rx_stream;
5cd1d3f4	50
e2786ca6 TS	51	bool mute;
	52	s16 volume[6];
	53	s16 volume_min;
	54	s16 volume_max;
	55	};
	56
5b59d809 TS	57	/*
	58	* AV/C Stream Format Information Specification 1.1 Working Draft
	59	* (Apr 2005, 1394TA)
	60	*/
	61	int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
	62	unsigned int pid, u8 *format, unsigned int len);
	63	int avc_stream_get_format(struct fw_unit *unit,
	64	enum avc_general_plug_dir dir, unsigned int pid,
	65	u8 buf, unsigned int len, unsigned int eid);
	66	static inline int
	67	avc_stream_get_format_single(struct fw_unit *unit,
	68	enum avc_general_plug_dir dir, unsigned int pid,
	69	u8 buf, unsigned int len)
	70	{
	71	return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
	72	}
	73	static inline int
	74	avc_stream_get_format_list(struct fw_unit *unit,
	75	enum avc_general_plug_dir dir, unsigned int pid,
	76	u8 buf, unsigned int len,
	77	unsigned int eid)
	78	{
	79	return avc_stream_get_format(unit, dir, pid, buf, len, eid);
	80	}
	81
	82	/*
	83	* AV/C Digital Interface Command Set General Specification 4.2
	84	* (Sep 2004, 1394TA)
	85	*/
	86	int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
	87	enum avc_general_plug_dir dir,
	88	unsigned short pid);
	89
e2786ca6 TS	90	int snd_oxfw_stream_init_simplex(struct snd_oxfw *oxfw);
	91	int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw);
	92	void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw);
	93	void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw);
	94	void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw);
3713d93a	95
5cd1d3f4 TS	96	struct snd_oxfw_stream_formation {
	97	unsigned int rate;
	98	unsigned int pcm;
	99	unsigned int midi;
	100	};
	101	int snd_oxfw_stream_parse_format(u8 *format,
	102	struct snd_oxfw_stream_formation *formation);
	103	int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
	104	enum avc_general_plug_dir dir,
	105	struct snd_oxfw_stream_formation *formation);
	106	int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
	107
3713d93a	108	int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
31514bfb TS	109
31514bfb TS	110	int snd_oxfw_create_mixer(struct snd_oxfw *oxfw);