[deliverable/linux.git] / sound / firewire / bebob / bebob.h

/*
 * bebob.h - a part of driver for BeBoB based devices
 *
 * Copyright (c) 2013-2014 Takashi Sakamoto
 *
 * Licensed under the terms of the GNU General Public License, version 2.
 */

#ifndef SOUND_BEBOB_H_INCLUDED
#define SOUND_BEBOB_H_INCLUDED

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

#include <sound/core.h>
#include <sound/initval.h>

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

/* basic register addresses on DM1000/DM1100/DM1500 */
#define BEBOB_ADDR_REG_INFO	0xffffc8020000
#define BEBOB_ADDR_REG_REQ	0xffffc8021000

struct snd_bebob;

#define SND_BEBOB_STRM_FMT_ENTRIES	7
struct snd_bebob_stream_formation {
	unsigned int pcm;
	unsigned int midi;
};
/* this is a lookup table for index of stream formations */
extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];

struct snd_bebob {
	struct snd_card *card;
	struct fw_unit *unit;
	int card_index;

	struct mutex mutex;
	spinlock_t lock;

	unsigned int midi_input_ports;
	unsigned int midi_output_ports;

	struct amdtp_stream *master;
	struct amdtp_stream tx_stream;
	struct amdtp_stream rx_stream;
	struct cmp_connection out_conn;
	struct cmp_connection in_conn;
	atomic_t capture_substreams;
	atomic_t playback_substreams;

	struct snd_bebob_stream_formation
		tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	struct snd_bebob_stream_formation
		rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];

	int sync_input_plug;
};

static inline int
snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
{
	return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
				  BEBOB_ADDR_REG_INFO + addr,
				  buf, size, 0);
}

static inline int
snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
{
	return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
				  BEBOB_ADDR_REG_INFO + addr,
				  (void *)buf, sizeof(u32), 0);
}

/*
 * AVC command extensions, AV/C Unit and Subunit, Revision 17
 * (Nov 2003, BridgeCo)
 */
#define	AVC_BRIDGECO_ADDR_BYTES	6
enum avc_bridgeco_plug_dir {
	AVC_BRIDGECO_PLUG_DIR_IN	= 0x00,
	AVC_BRIDGECO_PLUG_DIR_OUT	= 0x01
};
enum avc_bridgeco_plug_mode {
	AVC_BRIDGECO_PLUG_MODE_UNIT		= 0x00,
	AVC_BRIDGECO_PLUG_MODE_SUBUNIT		= 0x01,
	AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK	= 0x02
};
enum avc_bridgeco_plug_unit {
	AVC_BRIDGECO_PLUG_UNIT_ISOC	= 0x00,
	AVC_BRIDGECO_PLUG_UNIT_EXT	= 0x01,
	AVC_BRIDGECO_PLUG_UNIT_ASYNC	= 0x02
};
enum avc_bridgeco_plug_type {
	AVC_BRIDGECO_PLUG_TYPE_ISOC	= 0x00,
	AVC_BRIDGECO_PLUG_TYPE_ASYNC	= 0x01,
	AVC_BRIDGECO_PLUG_TYPE_MIDI	= 0x02,
	AVC_BRIDGECO_PLUG_TYPE_SYNC	= 0x03,
	AVC_BRIDGECO_PLUG_TYPE_ANA	= 0x04,
	AVC_BRIDGECO_PLUG_TYPE_DIG	= 0x05
};
static inline void
avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
			    enum avc_bridgeco_plug_dir dir,
			    enum avc_bridgeco_plug_unit unit,
			    unsigned int pid)
{
	buf[0] = 0xff;	/* Unit */
	buf[1] = dir;
	buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
	buf[3] = unit;
	buf[4] = 0xff & pid;
	buf[5] = 0xff;	/* reserved */
}
static inline void
avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
			   enum avc_bridgeco_plug_dir dir,
			   unsigned int pid)
{
	buf[0] = 0x60;	/* Music subunit */
	buf[1] = dir;
	buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
	buf[3] = 0xff & pid;
	buf[4] = 0xff;	/* reserved */
	buf[5] = 0xff;	/* reserved */
}
int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
				 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
				 u8 *buf, unsigned int len);
int avc_bridgeco_get_plug_type(struct fw_unit *unit,
			       u8 addr[AVC_BRIDGECO_ADDR_BYTES],
			       enum avc_bridgeco_plug_type *type);
int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
				       u8 addr[AVC_BRIDGECO_ADDR_BYTES],
				       unsigned int id, u8 *type);
int avc_bridgeco_get_plug_input(struct fw_unit *unit,
				u8 addr[AVC_BRIDGECO_ADDR_BYTES],
				u8 input[7]);
int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
				   u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
				   unsigned int *len, unsigned int eid);

/* for AMDTP streaming */
int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
					  bool *internal);
int snd_bebob_stream_discover(struct snd_bebob *bebob);
int snd_bebob_stream_map(struct snd_bebob *bebob,
			 struct amdtp_stream *stream);
int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);

#define SND_BEBOB_DEV_ENTRY(vendor, model) \
{ \
	.match_flags	= IEEE1394_MATCH_VENDOR_ID | \
			  IEEE1394_MATCH_MODEL_ID, \
	.vendor_id	= vendor, \
	.model_id	= model, \
}

#endif
Commit	Line	Data
fd6f4b0d TS	1	/*
	2	* bebob.h - a part of driver for BeBoB based devices
	3	*
	4	* Copyright (c) 2013-2014 Takashi Sakamoto
	5	*
	6	* Licensed under the terms of the GNU General Public License, version 2.
	7	*/
	8
	9	#ifndef SOUND_BEBOB_H_INCLUDED
	10	#define SOUND_BEBOB_H_INCLUDED
	11
	12	#include <linux/compat.h>
	13	#include <linux/device.h>
	14	#include <linux/firewire.h>
	15	#include <linux/firewire-constants.h>
	16	#include <linux/module.h>
	17	#include <linux/mod_devicetable.h>
	18	#include <linux/delay.h>
	19	#include <linux/slab.h>
	20
	21	#include <sound/core.h>
	22	#include <sound/initval.h>
	23
	24	#include "../lib.h"
	25	#include "../fcp.h"
eb7b3a05 TS	26	#include "../packets-buffer.h"
	27	#include "../iso-resources.h"
	28	#include "../amdtp.h"
	29	#include "../cmp.h"
fd6f4b0d TS	30
	31	/* basic register addresses on DM1000/DM1100/DM1500 */
	32	#define BEBOB_ADDR_REG_INFO 0xffffc8020000
	33	#define BEBOB_ADDR_REG_REQ 0xffffc8021000
	34
eb7b3a05 TS	35	struct snd_bebob;
	36
	37	#define SND_BEBOB_STRM_FMT_ENTRIES 7
	38	struct snd_bebob_stream_formation {
	39	unsigned int pcm;
	40	unsigned int midi;
	41	};
	42	/* this is a lookup table for index of stream formations */
	43	extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
	44
fd6f4b0d TS	45	struct snd_bebob {
	46	struct snd_card *card;
	47	struct fw_unit *unit;
	48	int card_index;
	49
	50	struct mutex mutex;
	51	spinlock_t lock;
eb7b3a05 TS	52
	53	unsigned int midi_input_ports;
	54	unsigned int midi_output_ports;
	55
	56	struct amdtp_stream *master;
	57	struct amdtp_stream tx_stream;
	58	struct amdtp_stream rx_stream;
	59	struct cmp_connection out_conn;
	60	struct cmp_connection in_conn;
	61	atomic_t capture_substreams;
	62	atomic_t playback_substreams;
	63
	64	struct snd_bebob_stream_formation
	65	tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	66	struct snd_bebob_stream_formation
	67	rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	68
	69	int sync_input_plug;
fd6f4b0d TS	70	};
	71
	72	static inline int
	73	snd_bebob_read_block(struct fw_unit unit, u64 addr, void buf, int size)
	74	{
	75	return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
	76	BEBOB_ADDR_REG_INFO + addr,
	77	buf, size, 0);
	78	}
	79
	80	static inline int
	81	snd_bebob_read_quad(struct fw_unit unit, u64 addr, u32 buf)
	82	{
	83	return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
	84	BEBOB_ADDR_REG_INFO + addr,
	85	(void *)buf, sizeof(u32), 0);
	86	}
	87
eb7b3a05 TS	88	/*
	89	* AVC command extensions, AV/C Unit and Subunit, Revision 17
	90	* (Nov 2003, BridgeCo)
	91	*/
	92	#define AVC_BRIDGECO_ADDR_BYTES 6
	93	enum avc_bridgeco_plug_dir {
	94	AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
	95	AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
	96	};
	97	enum avc_bridgeco_plug_mode {
	98	AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00,
	99	AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01,
	100	AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02
	101	};
	102	enum avc_bridgeco_plug_unit {
	103	AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00,
	104	AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01,
	105	AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02
	106	};
	107	enum avc_bridgeco_plug_type {
	108	AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00,
	109	AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01,
	110	AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02,
	111	AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03,
	112	AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04,
	113	AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05
	114	};
	115	static inline void
	116	avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	117	enum avc_bridgeco_plug_dir dir,
	118	enum avc_bridgeco_plug_unit unit,
	119	unsigned int pid)
	120	{
	121	buf[0] = 0xff; /* Unit */
	122	buf[1] = dir;
	123	buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
	124	buf[3] = unit;
	125	buf[4] = 0xff & pid;
	126	buf[5] = 0xff; /* reserved */
	127	}
	128	static inline void
	129	avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	130	enum avc_bridgeco_plug_dir dir,
	131	unsigned int pid)
	132	{
	133	buf[0] = 0x60; /* Music subunit */
	134	buf[1] = dir;
	135	buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
	136	buf[3] = 0xff & pid;
	137	buf[4] = 0xff; /* reserved */
	138	buf[5] = 0xff; /* reserved */
	139	}
	140	int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
	141	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	142	u8 *buf, unsigned int len);
	143	int avc_bridgeco_get_plug_type(struct fw_unit *unit,
	144	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	145	enum avc_bridgeco_plug_type *type);
	146	int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
	147	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	148	unsigned int id, u8 *type);
	149	int avc_bridgeco_get_plug_input(struct fw_unit *unit,
	150	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	151	u8 input[7]);
152	int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
153	u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
154	unsigned int *len, unsigned int eid);
155
156	/* for AMDTP streaming */
157	int snd_bebob_stream_get_rate(struct snd_bebob bebob, unsigned int rate);
158	int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
159	int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
160	bool *internal);
161	int snd_bebob_stream_discover(struct snd_bebob *bebob);
162	int snd_bebob_stream_map(struct snd_bebob *bebob,
163	struct amdtp_stream *stream);
164	int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
165	int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
166	void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
167	void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
168	void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
169
fd6f4b0d TS	170	#define SND_BEBOB_DEV_ENTRY(vendor, model) \
	171	{ \
	172	.match_flags = IEEE1394_MATCH_VENDOR_ID \| \
	173	IEEE1394_MATCH_MODEL_ID, \
	174	.vendor_id = vendor, \
	175	.model_id = model, \
	176	}
	177
	178	#endif