mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
156 lines
4.8 KiB
156 lines
4.8 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
|
/* |
|
* oxfw.h - a part of driver for OXFW970/971 based devices |
|
* |
|
* Copyright (c) Clemens Ladisch <[email protected]> |
|
*/ |
|
|
|
#include <linux/device.h> |
|
#include <linux/firewire.h> |
|
#include <linux/firewire-constants.h> |
|
#include <linux/module.h> |
|
#include <linux/mod_devicetable.h> |
|
#include <linux/mutex.h> |
|
#include <linux/slab.h> |
|
#include <linux/compat.h> |
|
#include <linux/sched/signal.h> |
|
|
|
#include <sound/control.h> |
|
#include <sound/core.h> |
|
#include <sound/initval.h> |
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include <sound/info.h> |
|
#include <sound/rawmidi.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" |
|
|
|
enum snd_oxfw_quirk { |
|
// Postpone transferring packets during handling asynchronous transaction. As a result, |
|
// next isochronous packet includes more events than one packet can include. |
|
SND_OXFW_QUIRK_JUMBO_PAYLOAD = 0x01, |
|
// The dbs field of CIP header in tx packet is wrong. |
|
SND_OXFW_QUIRK_WRONG_DBS = 0x02, |
|
// Blocking transmission mode is used. |
|
SND_OXFW_QUIRK_BLOCKING_TRANSMISSION = 0x04, |
|
// Stanton SCS1.d and SCS1.m support unique transaction. |
|
SND_OXFW_QUIRK_SCS_TRANSACTION = 0x08, |
|
// Apogee Duet FireWire ignores data blocks in packet with NO_INFO for audio data |
|
// processing, while output level meter moves. Any value in syt field of packet takes |
|
// the device to process audio data even if the value is invalid in a point of |
|
// IEC 61883-1/6. |
|
SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET = 0x10, |
|
}; |
|
|
|
/* This is an arbitrary number for convinience. */ |
|
#define SND_OXFW_STREAM_FORMAT_ENTRIES 10 |
|
struct snd_oxfw { |
|
struct snd_card *card; |
|
struct fw_unit *unit; |
|
struct mutex mutex; |
|
spinlock_t lock; |
|
|
|
// The combination of snd_oxfw_quirk enumeration-constants. |
|
unsigned int quirks; |
|
bool has_output; |
|
bool has_input; |
|
u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES]; |
|
u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES]; |
|
bool assumed; |
|
struct cmp_connection out_conn; |
|
struct cmp_connection in_conn; |
|
struct amdtp_stream tx_stream; |
|
struct amdtp_stream rx_stream; |
|
unsigned int substreams_count; |
|
|
|
unsigned int midi_input_ports; |
|
unsigned int midi_output_ports; |
|
|
|
int dev_lock_count; |
|
bool dev_lock_changed; |
|
wait_queue_head_t hwdep_wait; |
|
|
|
void *spec; |
|
|
|
struct amdtp_domain domain; |
|
}; |
|
|
|
/* |
|
* AV/C Stream Format Information Specification 1.1 Working Draft |
|
* (Apr 2005, 1394TA) |
|
*/ |
|
int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir, |
|
unsigned int pid, u8 *format, unsigned int len); |
|
int avc_stream_get_format(struct fw_unit *unit, |
|
enum avc_general_plug_dir dir, unsigned int pid, |
|
u8 *buf, unsigned int *len, unsigned int eid); |
|
static inline int |
|
avc_stream_get_format_single(struct fw_unit *unit, |
|
enum avc_general_plug_dir dir, unsigned int pid, |
|
u8 *buf, unsigned int *len) |
|
{ |
|
return avc_stream_get_format(unit, dir, pid, buf, len, 0xff); |
|
} |
|
static inline int |
|
avc_stream_get_format_list(struct fw_unit *unit, |
|
enum avc_general_plug_dir dir, unsigned int pid, |
|
u8 *buf, unsigned int *len, |
|
unsigned int eid) |
|
{ |
|
return avc_stream_get_format(unit, dir, pid, buf, len, eid); |
|
} |
|
|
|
/* |
|
* AV/C Digital Interface Command Set General Specification 4.2 |
|
* (Sep 2004, 1394TA) |
|
*/ |
|
int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate, |
|
enum avc_general_plug_dir dir, |
|
unsigned short pid); |
|
|
|
int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw); |
|
int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw, |
|
struct amdtp_stream *stream, |
|
unsigned int rate, unsigned int pcm_channels, |
|
unsigned int frames_per_period, |
|
unsigned int frames_per_buffer); |
|
int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw); |
|
void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw); |
|
void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw); |
|
void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw); |
|
|
|
struct snd_oxfw_stream_formation { |
|
unsigned int rate; |
|
unsigned int pcm; |
|
unsigned int midi; |
|
}; |
|
int snd_oxfw_stream_parse_format(u8 *format, |
|
struct snd_oxfw_stream_formation *formation); |
|
int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw, |
|
enum avc_general_plug_dir dir, |
|
struct snd_oxfw_stream_formation *formation); |
|
|
|
int snd_oxfw_stream_discover(struct snd_oxfw *oxfw); |
|
|
|
void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw); |
|
int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw); |
|
void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw); |
|
|
|
int snd_oxfw_create_pcm(struct snd_oxfw *oxfw); |
|
|
|
void snd_oxfw_proc_init(struct snd_oxfw *oxfw); |
|
|
|
int snd_oxfw_create_midi(struct snd_oxfw *oxfw); |
|
|
|
int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw); |
|
|
|
int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie); |
|
int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw); |
|
void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw);
|
|
|