[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 <sound/rawmidi.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/firewire.h>
#include <sound/hwdep.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];

/* device specific operations */
#define SND_BEBOB_CLOCK_INTERNAL	"Internal"
struct snd_bebob_clock_spec {
	unsigned int num;
	char *const *labels;
	int (*get)(struct snd_bebob *bebob, unsigned int *id);
};
struct snd_bebob_rate_spec {
	int (*get)(struct snd_bebob *bebob, unsigned int *rate);
	int (*set)(struct snd_bebob *bebob, unsigned int rate);
};
struct snd_bebob_meter_spec {
	unsigned int num;
	char *const *labels;
	int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size);
};
struct snd_bebob_spec {
	struct snd_bebob_clock_spec *clock;
	struct snd_bebob_rate_spec *rate;
	struct snd_bebob_meter_spec *meter;
};

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

	struct mutex mutex;
	spinlock_t lock;

	const struct snd_bebob_spec *spec;

	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;

	/* for uapi */
	int dev_lock_count;
	bool dev_lock_changed;
	wait_queue_head_t hwdep_wait;
};

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);
}

/* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
			   unsigned int fb_id, unsigned int num);
int avc_audio_get_selector(struct fw_unit *unit, unsigned  int subunit_id,
			   unsigned int fb_id, unsigned int *num);

/*
 * 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_stream_lock_changed(struct snd_bebob *bebob);
int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
void snd_bebob_stream_lock_release(struct snd_bebob *bebob);

void snd_bebob_proc_init(struct snd_bebob *bebob);

int snd_bebob_create_midi_devices(struct snd_bebob *bebob);

int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);

int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);

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

#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>
248b7802	24	#include <sound/rawmidi.h>
fbbebd2c TS	25	#include <sound/pcm.h>
fbbebd2c TS	26	#include <sound/pcm_params.h>
618eabea TS	27	#include <sound/firewire.h>
618eabea TS	28	#include <sound/hwdep.h>
fd6f4b0d TS	29
	30	#include "../lib.h"
	31	#include "../fcp.h"
eb7b3a05 TS	32	#include "../packets-buffer.h"
	33	#include "../iso-resources.h"
	34	#include "../amdtp.h"
	35	#include "../cmp.h"
fd6f4b0d TS	36
	37	/* basic register addresses on DM1000/DM1100/DM1500 */
	38	#define BEBOB_ADDR_REG_INFO 0xffffc8020000
	39	#define BEBOB_ADDR_REG_REQ 0xffffc8021000
	40
eb7b3a05 TS	41	struct snd_bebob;
	42
	43	#define SND_BEBOB_STRM_FMT_ENTRIES 7
	44	struct snd_bebob_stream_formation {
	45	unsigned int pcm;
	46	unsigned int midi;
	47	};
	48	/* this is a lookup table for index of stream formations */
	49	extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
	50
1fc9522a TS	51	/* device specific operations */
	52	#define SND_BEBOB_CLOCK_INTERNAL "Internal"
	53	struct snd_bebob_clock_spec {
	54	unsigned int num;
	55	char const labels;
	56	int (get)(struct snd_bebob bebob, unsigned int *id);
	57	};
	58	struct snd_bebob_rate_spec {
	59	int (get)(struct snd_bebob bebob, unsigned int *rate);
	60	int (set)(struct snd_bebob bebob, unsigned int rate);
	61	};
	62	struct snd_bebob_meter_spec {
	63	unsigned int num;
	64	char const labels;
	65	int (get)(struct snd_bebob bebob, u32 *target, unsigned int size);
	66	};
	67	struct snd_bebob_spec {
	68	struct snd_bebob_clock_spec *clock;
	69	struct snd_bebob_rate_spec *rate;
	70	struct snd_bebob_meter_spec *meter;
	71	};
	72
fd6f4b0d TS	73	struct snd_bebob {
	74	struct snd_card *card;
	75	struct fw_unit *unit;
	76	int card_index;
	77
	78	struct mutex mutex;
	79	spinlock_t lock;
eb7b3a05	80
1fc9522a TS	81	const struct snd_bebob_spec *spec;
1fc9522a TS	82
eb7b3a05 TS	83	unsigned int midi_input_ports;
	84	unsigned int midi_output_ports;
	85
b6bc8123 TS	86	/* for bus reset quirk */
	87	struct completion bus_reset;
	88	bool connected;
	89
eb7b3a05 TS	90	struct amdtp_stream *master;
	91	struct amdtp_stream tx_stream;
	92	struct amdtp_stream rx_stream;
	93	struct cmp_connection out_conn;
	94	struct cmp_connection in_conn;
	95	atomic_t capture_substreams;
	96	atomic_t playback_substreams;
	97
	98	struct snd_bebob_stream_formation
	99	tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	100	struct snd_bebob_stream_formation
	101	rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
	102
	103	int sync_input_plug;
618eabea TS	104
	105	/* for uapi */
	106	int dev_lock_count;
	107	bool dev_lock_changed;
	108	wait_queue_head_t hwdep_wait;
fd6f4b0d TS	109	};
	110
	111	static inline int
	112	snd_bebob_read_block(struct fw_unit unit, u64 addr, void buf, int size)
	113	{
	114	return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
	115	BEBOB_ADDR_REG_INFO + addr,
	116	buf, size, 0);
	117	}
	118
	119	static inline int
	120	snd_bebob_read_quad(struct fw_unit unit, u64 addr, u32 buf)
	121	{
	122	return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
	123	BEBOB_ADDR_REG_INFO + addr,
	124	(void *)buf, sizeof(u32), 0);
	125	}
	126
1fc9522a TS	127	/* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
	128	int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
	129	unsigned int fb_id, unsigned int num);
	130	int avc_audio_get_selector(struct fw_unit *unit, unsigned int subunit_id,
	131	unsigned int fb_id, unsigned int *num);
	132
eb7b3a05 TS	133	/*
	134	* AVC command extensions, AV/C Unit and Subunit, Revision 17
	135	* (Nov 2003, BridgeCo)
	136	*/
	137	#define AVC_BRIDGECO_ADDR_BYTES 6
	138	enum avc_bridgeco_plug_dir {
	139	AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
	140	AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
	141	};
	142	enum avc_bridgeco_plug_mode {
	143	AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00,
	144	AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01,
	145	AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02
	146	};
	147	enum avc_bridgeco_plug_unit {
	148	AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00,
	149	AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01,
	150	AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02
	151	};
	152	enum avc_bridgeco_plug_type {
	153	AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00,
	154	AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01,
	155	AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02,
	156	AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03,
	157	AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04,
	158	AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05
	159	};
	160	static inline void
	161	avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	162	enum avc_bridgeco_plug_dir dir,
	163	enum avc_bridgeco_plug_unit unit,
	164	unsigned int pid)
	165	{
	166	buf[0] = 0xff; /* Unit */
	167	buf[1] = dir;
	168	buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
	169	buf[3] = unit;
	170	buf[4] = 0xff & pid;
	171	buf[5] = 0xff; /* reserved */
	172	}
	173	static inline void
	174	avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
	175	enum avc_bridgeco_plug_dir dir,
	176	unsigned int pid)
	177	{
	178	buf[0] = 0x60; /* Music subunit */
	179	buf[1] = dir;
	180	buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
	181	buf[3] = 0xff & pid;
	182	buf[4] = 0xff; /* reserved */
	183	buf[5] = 0xff; /* reserved */
	184	}
	185	int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
	186	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	187	u8 *buf, unsigned int len);
	188	int avc_bridgeco_get_plug_type(struct fw_unit *unit,
	189	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	190	enum avc_bridgeco_plug_type *type);
	191	int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
	192	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	193	unsigned int id, u8 *type);
	194	int avc_bridgeco_get_plug_input(struct fw_unit *unit,
	195	u8 addr[AVC_BRIDGECO_ADDR_BYTES],
	196	u8 input[7]);
197	int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
198	u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
199	unsigned int *len, unsigned int eid);
200
201	/* for AMDTP streaming */
202	int snd_bebob_stream_get_rate(struct snd_bebob bebob, unsigned int rate);
203	int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
204	int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
205	bool *internal);
206	int snd_bebob_stream_discover(struct snd_bebob *bebob);
207	int snd_bebob_stream_map(struct snd_bebob *bebob,
208	struct amdtp_stream *stream);
209	int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
210	int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
211	void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
212	void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
213	void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
214
618eabea TS	215	void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
	216	int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
	217	void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
	218
ad9697ba TS	219	void snd_bebob_proc_init(struct snd_bebob *bebob);
ad9697ba TS	220
248b7802 TS	221	int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
248b7802 TS	222
fbbebd2c TS	223	int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
fbbebd2c TS	224
618eabea TS	225	int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
618eabea TS	226
1fc9522a	227	#define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
fd6f4b0d TS	228	{ \
	229	.match_flags = IEEE1394_MATCH_VENDOR_ID \| \
	230	IEEE1394_MATCH_MODEL_ID, \
	231	.vendor_id = vendor, \
	232	.model_id = model, \
1fc9522a	233	.driver_data = (kernel_ulong_t)data \
fd6f4b0d TS	234	}
	235
	236	#endif