[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 <sound/info.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;

	/* for bus reset quirk */
	struct completion bus_reset;
	bool connected;

	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);

void snd_bebob_proc_init(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>
ad9697ba	23	#include <sound/info.h>
fd6f4b0d TS	24
	25	#include "../lib.h"
	26	#include "../fcp.h"
eb7b3a05 TS	27	#include "../packets-buffer.h"
	28	#include "../iso-resources.h"
	29	#include "../amdtp.h"
	30	#include "../cmp.h"
fd6f4b0d TS	31
	32	/* basic register addresses on DM1000/DM1100/DM1500 */
	33	#define BEBOB_ADDR_REG_INFO 0xffffc8020000
	34	#define BEBOB_ADDR_REG_REQ 0xffffc8021000
	35
eb7b3a05 TS	36	struct snd_bebob;
	37
	38	#define SND_BEBOB_STRM_FMT_ENTRIES 7
	39	struct snd_bebob_stream_formation {
	40	unsigned int pcm;
	41	unsigned int midi;
	42	};
	43	/* this is a lookup table for index of stream formations */
	44	extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
	45
fd6f4b0d TS	46	struct snd_bebob {
	47	struct snd_card *card;
	48	struct fw_unit *unit;
	49	int card_index;
	50
	51	struct mutex mutex;
	52	spinlock_t lock;
eb7b3a05 TS	53
	54	unsigned int midi_input_ports;
	55	unsigned int midi_output_ports;
	56
b6bc8123 TS	57	/* for bus reset quirk */
	58	struct completion bus_reset;
	59	bool connected;
	60
eb7b3a05 TS	61	struct amdtp_stream *master;
	62	struct amdtp_stream tx_stream;
	63	struct amdtp_stream rx_stream;
	64	struct cmp_connection out_conn;
	65	struct cmp_connection in_conn;
	66	atomic_t capture_substreams;
	67	atomic_t playback_substreams;
	68
	69	struct snd_bebob_stream_formation
	70	tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	71	struct snd_bebob_stream_formation
	72	rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	73
	74	int sync_input_plug;
fd6f4b0d TS	75	};
	76
	77	static inline int
	78	snd_bebob_read_block(struct fw_unit unit, u64 addr, void buf, int size)
	79	{
	80	return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
	81	BEBOB_ADDR_REG_INFO + addr,
	82	buf, size, 0);
	83	}
	84
	85	static inline int
	86	snd_bebob_read_quad(struct fw_unit unit, u64 addr, u32 buf)
	87	{
	88	return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
	89	BEBOB_ADDR_REG_INFO + addr,
	90	(void *)buf, sizeof(u32), 0);
	91	}
	92
eb7b3a05 TS	93	/*
	94	* AVC command extensions, AV/C Unit and Subunit, Revision 17
	95	* (Nov 2003, BridgeCo)
	96	*/
	97	#define AVC_BRIDGECO_ADDR_BYTES 6
	98	enum avc_bridgeco_plug_dir {
	99	AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
	100	AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
	101	};
	102	enum avc_bridgeco_plug_mode {
	103	AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00,
	104	AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01,
	105	AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02
	106	};
	107	enum avc_bridgeco_plug_unit {
	108	AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00,
	109	AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01,
	110	AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02
	111	};
	112	enum avc_bridgeco_plug_type {
	113	AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00,
	114	AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01,
	115	AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02,
	116	AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03,
	117	AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04,
	118	AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05
	119	};
	120	static inline void
	121	avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	122	enum avc_bridgeco_plug_dir dir,
	123	enum avc_bridgeco_plug_unit unit,
	124	unsigned int pid)
	125	{
	126	buf[0] = 0xff; /* Unit */
	127	buf[1] = dir;
	128	buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
	129	buf[3] = unit;
	130	buf[4] = 0xff & pid;
	131	buf[5] = 0xff; /* reserved */
	132	}
	133	static inline void
	134	avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	135	enum avc_bridgeco_plug_dir dir,
	136	unsigned int pid)
	137	{
	138	buf[0] = 0x60; /* Music subunit */
	139	buf[1] = dir;
	140	buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
	141	buf[3] = 0xff & pid;
	142	buf[4] = 0xff; /* reserved */
	143	buf[5] = 0xff; /* reserved */
	144	}
	145	int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
	146	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	147	u8 *buf, unsigned int len);
	148	int avc_bridgeco_get_plug_type(struct fw_unit *unit,
	149	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	150	enum avc_bridgeco_plug_type *type);
	151	int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
	152	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	153	unsigned int id, u8 *type);
	154	int avc_bridgeco_get_plug_input(struct fw_unit *unit,
	155	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	156	u8 input[7]);
157	int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
158	u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
159	unsigned int *len, unsigned int eid);
160
161	/* for AMDTP streaming */
162	int snd_bebob_stream_get_rate(struct snd_bebob bebob, unsigned int rate);
163	int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
164	int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
165	bool *internal);
166	int snd_bebob_stream_discover(struct snd_bebob *bebob);
167	int snd_bebob_stream_map(struct snd_bebob *bebob,
168	struct amdtp_stream *stream);
169	int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
170	int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
171	void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
172	void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
173	void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
174
ad9697ba TS	175	void snd_bebob_proc_init(struct snd_bebob *bebob);
ad9697ba TS	176
fd6f4b0d TS	177	#define SND_BEBOB_DEV_ENTRY(vendor, model) \
	178	{ \
	179	.match_flags = IEEE1394_MATCH_VENDOR_ID \| \
	180	IEEE1394_MATCH_MODEL_ID, \
	181	.vendor_id = vendor, \
	182	.model_id = model, \
	183	}
	184
	185	#endif