Release 4.7 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-am824.h"
#include "../cmp.h"
/* basic register addresses on DM1000/DM1100/DM1500 */
#define BEBOB_ADDR_REG_INFO 0xffffc8020000ULL
#define BEBOB_ADDR_REG_REQ 0xffffc8021000ULL
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 */
enum snd_bebob_clock_type {
SND_BEBOB_CLOCK_TYPE_INTERNAL = 0,
SND_BEBOB_CLOCK_TYPE_EXTERNAL,
SND_BEBOB_CLOCK_TYPE_SYT,
};
struct snd_bebob_clock_spec {
unsigned int num;
const char *const *labels;
enum snd_bebob_clock_type *types;
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;
const char *const *labels;
int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size);
};
struct snd_bebob_spec {
const struct snd_bebob_clock_spec *clock;
const struct snd_bebob_rate_spec *rate;
const 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;
bool registered;
struct delayed_work dwork;
const struct ieee1394_device_id *entry;
const struct snd_bebob_spec *spec;
unsigned int midi_input_ports;
unsigned int midi_output_ports;
bool connected;
struct amdtp_stream tx_stream;
struct amdtp_stream rx_stream;
struct cmp_connection out_conn;
struct cmp_connection in_conn;
unsigned int substreams_counter;
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;
/* for M-Audio special devices */
void *maudio_special_quirk;
/* For BeBoB version quirk. */
unsigned int version;
};
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);
}
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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);
}
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/* 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,
AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06
};
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 */
}
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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 */
}
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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_get_clock_src(struct snd_bebob *bebob,
enum snd_bebob_clock_type *src);
int snd_bebob_stream_discover(struct snd_bebob *bebob);
int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate);
void snd_bebob_stream_stop_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);
/* model specific operations */
extern const struct snd_bebob_spec phase88_rack_spec;
extern const struct snd_bebob_spec phase24_series_spec;
extern const struct snd_bebob_spec yamaha_go_spec;
extern const struct snd_bebob_spec saffirepro_26_spec;
extern const struct snd_bebob_spec saffirepro_10_spec;
extern const struct snd_bebob_spec saffire_le_spec;
extern const struct snd_bebob_spec saffire_spec;
extern const struct snd_bebob_spec maudio_fw410_spec;
extern const struct snd_bebob_spec maudio_audiophile_spec;
extern const struct snd_bebob_spec maudio_solo_spec;
extern const struct snd_bebob_spec maudio_ozonic_spec;
extern const struct snd_bebob_spec maudio_nrv10_spec;
extern const struct snd_bebob_spec maudio_special_spec;
int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
#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
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