237 lines
7.2 KiB
C
237 lines
7.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* dice.h - a part of driver for Dice based devices
|
|
*
|
|
* Copyright (c) Clemens Ladisch
|
|
* Copyright (c) 2014 Takashi Sakamoto
|
|
*/
|
|
|
|
#ifndef SOUND_DICE_H_INCLUDED
|
|
#define SOUND_DICE_H_INCLUDED
|
|
|
|
#include <linux/compat.h>
|
|
#include <linux/completion.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/device.h>
|
|
#include <linux/firewire.h>
|
|
#include <linux/firewire-constants.h>
|
|
#include <linux/jiffies.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/sched/signal.h>
|
|
|
|
#include <sound/control.h>
|
|
#include <sound/core.h>
|
|
#include <sound/firewire.h>
|
|
#include <sound/hwdep.h>
|
|
#include <sound/info.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/rawmidi.h>
|
|
|
|
#include "../amdtp-am824.h"
|
|
#include "../iso-resources.h"
|
|
#include "../lib.h"
|
|
#include "dice-interface.h"
|
|
|
|
/*
|
|
* This module support maximum 2 pairs of tx/rx isochronous streams for
|
|
* our convinience.
|
|
*
|
|
* In documents for ASICs called with a name of 'DICE':
|
|
* - ASIC for DICE II:
|
|
* - Maximum 2 tx and 4 rx are supported.
|
|
* - A packet supports maximum 16 data channels.
|
|
* - TCD2210/2210-E (so-called 'Dice Mini'):
|
|
* - Maximum 2 tx and 2 rx are supported.
|
|
* - A packet supports maximum 16 data channels.
|
|
* - TCD2220/2220-E (so-called 'Dice Jr.')
|
|
* - 2 tx and 2 rx are supported.
|
|
* - A packet supports maximum 16 data channels.
|
|
* - TCD3070-CH (so-called 'Dice III')
|
|
* - Maximum 2 tx and 2 rx are supported.
|
|
* - A packet supports maximum 32 data channels.
|
|
*
|
|
* For the above, MIDI conformant data channel is just on the first isochronous
|
|
* stream.
|
|
*/
|
|
#define MAX_STREAMS 2
|
|
|
|
enum snd_dice_rate_mode {
|
|
SND_DICE_RATE_MODE_LOW = 0,
|
|
SND_DICE_RATE_MODE_MIDDLE,
|
|
SND_DICE_RATE_MODE_HIGH,
|
|
SND_DICE_RATE_MODE_COUNT,
|
|
};
|
|
|
|
struct snd_dice;
|
|
typedef int (*snd_dice_detect_formats_t)(struct snd_dice *dice);
|
|
|
|
struct snd_dice {
|
|
struct snd_card *card;
|
|
struct fw_unit *unit;
|
|
spinlock_t lock;
|
|
struct mutex mutex;
|
|
|
|
bool registered;
|
|
struct delayed_work dwork;
|
|
|
|
/* Offsets for sub-addresses */
|
|
unsigned int global_offset;
|
|
unsigned int rx_offset;
|
|
unsigned int tx_offset;
|
|
unsigned int sync_offset;
|
|
unsigned int rsrv_offset;
|
|
|
|
unsigned int clock_caps;
|
|
unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
|
|
unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
|
|
unsigned int tx_midi_ports[MAX_STREAMS];
|
|
unsigned int rx_midi_ports[MAX_STREAMS];
|
|
snd_dice_detect_formats_t detect_formats;
|
|
|
|
struct fw_address_handler notification_handler;
|
|
int owner_generation;
|
|
u32 notification_bits;
|
|
|
|
/* For uapi */
|
|
int dev_lock_count; /* > 0 driver, < 0 userspace */
|
|
bool dev_lock_changed;
|
|
wait_queue_head_t hwdep_wait;
|
|
|
|
/* For streaming */
|
|
struct fw_iso_resources tx_resources[MAX_STREAMS];
|
|
struct fw_iso_resources rx_resources[MAX_STREAMS];
|
|
struct amdtp_stream tx_stream[MAX_STREAMS];
|
|
struct amdtp_stream rx_stream[MAX_STREAMS];
|
|
bool global_enabled;
|
|
struct completion clock_accepted;
|
|
unsigned int substreams_counter;
|
|
|
|
struct amdtp_domain domain;
|
|
};
|
|
|
|
enum snd_dice_addr_type {
|
|
SND_DICE_ADDR_TYPE_PRIVATE,
|
|
SND_DICE_ADDR_TYPE_GLOBAL,
|
|
SND_DICE_ADDR_TYPE_TX,
|
|
SND_DICE_ADDR_TYPE_RX,
|
|
SND_DICE_ADDR_TYPE_SYNC,
|
|
SND_DICE_ADDR_TYPE_RSRV,
|
|
};
|
|
|
|
int snd_dice_transaction_write(struct snd_dice *dice,
|
|
enum snd_dice_addr_type type,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len);
|
|
int snd_dice_transaction_read(struct snd_dice *dice,
|
|
enum snd_dice_addr_type type, unsigned int offset,
|
|
void *buf, unsigned int len);
|
|
|
|
static inline int snd_dice_transaction_write_global(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_write(dice,
|
|
SND_DICE_ADDR_TYPE_GLOBAL, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_read_global(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_read(dice,
|
|
SND_DICE_ADDR_TYPE_GLOBAL, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_write_tx(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_TX, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_read_tx(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_TX, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_write_rx(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_RX, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_read_rx(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_RX, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_write_sync(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_SYNC, offset,
|
|
buf, len);
|
|
}
|
|
static inline int snd_dice_transaction_read_sync(struct snd_dice *dice,
|
|
unsigned int offset,
|
|
void *buf, unsigned int len)
|
|
{
|
|
return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_SYNC, offset,
|
|
buf, len);
|
|
}
|
|
|
|
int snd_dice_transaction_get_clock_source(struct snd_dice *dice,
|
|
unsigned int *source);
|
|
int snd_dice_transaction_get_rate(struct snd_dice *dice, unsigned int *rate);
|
|
int snd_dice_transaction_set_enable(struct snd_dice *dice);
|
|
void snd_dice_transaction_clear_enable(struct snd_dice *dice);
|
|
int snd_dice_transaction_init(struct snd_dice *dice);
|
|
int snd_dice_transaction_reinit(struct snd_dice *dice);
|
|
void snd_dice_transaction_destroy(struct snd_dice *dice);
|
|
|
|
#define SND_DICE_RATES_COUNT 7
|
|
extern const unsigned int snd_dice_rates[SND_DICE_RATES_COUNT];
|
|
|
|
int snd_dice_stream_get_rate_mode(struct snd_dice *dice, unsigned int rate,
|
|
enum snd_dice_rate_mode *mode);
|
|
int snd_dice_stream_start_duplex(struct snd_dice *dice);
|
|
void snd_dice_stream_stop_duplex(struct snd_dice *dice);
|
|
int snd_dice_stream_init_duplex(struct snd_dice *dice);
|
|
void snd_dice_stream_destroy_duplex(struct snd_dice *dice);
|
|
int snd_dice_stream_reserve_duplex(struct snd_dice *dice, unsigned int rate,
|
|
unsigned int events_per_period,
|
|
unsigned int events_per_buffer);
|
|
void snd_dice_stream_update_duplex(struct snd_dice *dice);
|
|
int snd_dice_stream_detect_current_formats(struct snd_dice *dice);
|
|
|
|
int snd_dice_stream_lock_try(struct snd_dice *dice);
|
|
void snd_dice_stream_lock_release(struct snd_dice *dice);
|
|
|
|
int snd_dice_create_pcm(struct snd_dice *dice);
|
|
|
|
int snd_dice_create_hwdep(struct snd_dice *dice);
|
|
|
|
void snd_dice_create_proc(struct snd_dice *dice);
|
|
|
|
int snd_dice_create_midi(struct snd_dice *dice);
|
|
|
|
int snd_dice_detect_tcelectronic_formats(struct snd_dice *dice);
|
|
int snd_dice_detect_alesis_formats(struct snd_dice *dice);
|
|
int snd_dice_detect_extension_formats(struct snd_dice *dice);
|
|
int snd_dice_detect_mytek_formats(struct snd_dice *dice);
|
|
int snd_dice_detect_presonus_formats(struct snd_dice *dice);
|
|
|
|
#endif
|