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Diffstat (limited to 'sound/firewire/bebob/bebob.h')
| -rw-r--r-- | sound/firewire/bebob/bebob.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h new file mode 100644 index 0000000000..4d73ecb30d --- /dev/null +++ b/sound/firewire/bebob/bebob.h @@ -0,0 +1,256 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * bebob.h - a part of driver for BeBoB based devices + * + * Copyright (c) 2013-2014 Takashi Sakamoto + */ + +#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 <linux/sched/signal.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; + const 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; +}; + +enum snd_bebob_quirk { + SND_BEBOB_QUIRK_INITIAL_DISCONTINUOUS_DBC = (1 << 0), + SND_BEBOB_QUIRK_WRONG_DBC = (1 << 1), +}; + +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 quirks; // Combination of snd_bebob_quirk enumerations. + + unsigned int midi_input_ports; + unsigned int midi_output_ports; + + 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; + + struct amdtp_domain domain; +}; + +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, + 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 */ +} +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_ch_count(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], + unsigned int *ch_count); +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_reserve_duplex(struct snd_bebob *bebob, unsigned int rate, + unsigned int frames_per_period, + unsigned int frames_per_buffer); +int snd_bebob_stream_start_duplex(struct snd_bebob *bebob); +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 yamaha_terratec_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); + +#endif |