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/*
* fireworks.h - a part of driver for Fireworks based devices
*
* Copyright (c) 2009-2010 Clemens Ladisch
* Copyright (c) 2013-2014 Takashi Sakamoto
*
* Licensed under the terms of the GNU General Public License, version 2.
*/
#ifndef SOUND_FIREWORKS_H_INCLUDED
#define SOUND_FIREWORKS_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/pcm.h>
#include "../packets-buffer.h"
#include "../iso-resources.h"
#include "../amdtp.h"
#include "../cmp.h"
#include "../lib.h"
#define SND_EFW_MAX_MIDI_OUT_PORTS 2
#define SND_EFW_MAX_MIDI_IN_PORTS 2
#define SND_EFW_MULTIPLIER_MODES 3
#define HWINFO_NAME_SIZE_BYTES 32
#define HWINFO_MAX_CAPS_GROUPS 8
/*
* This should be greater than maximum bytes for EFW response content.
* Currently response against command for isochronous channel mapping is
* confirmed to be the maximum one. But for flexibility, use maximum data
* payload for asynchronous primary packets at S100 (Cable base rate) in
* IEEE Std 1394-1995.
*/
#define SND_EFW_RESPONSE_MAXIMUM_BYTES 0x200U
struct snd_efw_phys_grp {
u8 type; /* see enum snd_efw_grp_type */
u8 count;
} __packed;
struct snd_efw {
struct snd_card *card;
struct fw_unit *unit;
int card_index;
struct mutex mutex;
spinlock_t lock;
/* for transaction */
u32 seqnum;
bool resp_addr_changable;
unsigned int midi_in_ports;
unsigned int midi_out_ports;
unsigned int supported_sampling_rate;
unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES];
unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES];
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_efw_transaction {
__be32 length;
__be32 version;
__be32 seqnum;
__be32 category;
__be32 command;
__be32 status;
__be32 params[0];
};
int snd_efw_transaction_run(struct fw_unit *unit,
const void *cmd, unsigned int cmd_size,
void *resp, unsigned int resp_size);
int snd_efw_transaction_register(void);
void snd_efw_transaction_unregister(void);
void snd_efw_transaction_bus_reset(struct fw_unit *unit);
struct snd_efw_hwinfo {
u32 flags;
u32 guid_hi;
u32 guid_lo;
u32 type;
u32 version;
char vendor_name[HWINFO_NAME_SIZE_BYTES];
char model_name[HWINFO_NAME_SIZE_BYTES];
u32 supported_clocks;
u32 amdtp_rx_pcm_channels;
u32 amdtp_tx_pcm_channels;
u32 phys_out;
u32 phys_in;
u32 phys_out_grp_count;
struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
u32 phys_in_grp_count;
struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
u32 midi_out_ports;
u32 midi_in_ports;
u32 max_sample_rate;
u32 min_sample_rate;
u32 dsp_version;
u32 arm_version;
u32 mixer_playback_channels;
u32 mixer_capture_channels;
u32 fpga_version;
u32 amdtp_rx_pcm_channels_2x;
u32 amdtp_tx_pcm_channels_2x;
u32 amdtp_rx_pcm_channels_4x;
u32 amdtp_tx_pcm_channels_4x;
u32 reserved[16];
} __packed;
enum snd_efw_grp_type {
SND_EFW_CH_TYPE_ANALOG = 0,
SND_EFW_CH_TYPE_SPDIF = 1,
SND_EFW_CH_TYPE_ADAT = 2,
SND_EFW_CH_TYPE_SPDIF_OR_ADAT = 3,
SND_EFW_CH_TYPE_ANALOG_MIRRORING = 4,
SND_EFW_CH_TYPE_HEADPHONES = 5,
SND_EFW_CH_TYPE_I2S = 6,
SND_EFW_CH_TYPE_GUITAR = 7,
SND_EFW_CH_TYPE_PIEZO_GUITAR = 8,
SND_EFW_CH_TYPE_GUITAR_STRING = 9,
SND_EFW_CH_TYPE_VIRTUAL = 0x10000,
SND_EFW_CH_TYPE_DUMMY
};
struct snd_efw_phys_meters {
u32 status; /* guitar state/midi signal/clock input detect */
u32 reserved0;
u32 reserved1;
u32 reserved2;
u32 reserved3;
u32 out_meters;
u32 in_meters;
u32 reserved4;
u32 reserved5;
u32 values[0];
} __packed;
enum snd_efw_clock_source {
SND_EFW_CLOCK_SOURCE_INTERNAL = 0,
SND_EFW_CLOCK_SOURCE_SYTMATCH = 1,
SND_EFW_CLOCK_SOURCE_WORDCLOCK = 2,
SND_EFW_CLOCK_SOURCE_SPDIF = 3,
SND_EFW_CLOCK_SOURCE_ADAT_1 = 4,
SND_EFW_CLOCK_SOURCE_ADAT_2 = 5,
SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6 /* internal variable clock */
};
enum snd_efw_transport_mode {
SND_EFW_TRANSPORT_MODE_WINDOWS = 0,
SND_EFW_TRANSPORT_MODE_IEC61883 = 1,
};
int snd_efw_command_set_resp_addr(struct snd_efw *efw,
u16 addr_high, u32 addr_low);
int snd_efw_command_set_tx_mode(struct snd_efw *efw, unsigned int mode);
int snd_efw_command_get_hwinfo(struct snd_efw *efw,
struct snd_efw_hwinfo *hwinfo);
int snd_efw_command_get_phys_meters(struct snd_efw *efw,
struct snd_efw_phys_meters *meters,
unsigned int len);
int snd_efw_command_get_clock_source(struct snd_efw *efw,
enum snd_efw_clock_source *source);
int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
int snd_efw_stream_init_duplex(struct snd_efw *efw);
int snd_efw_stream_start_duplex(struct snd_efw *efw, int sampling_rate);
void snd_efw_stream_stop_duplex(struct snd_efw *efw);
void snd_efw_stream_update_duplex(struct snd_efw *efw);
void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
#define SND_EFW_DEV_ENTRY(vendor, model) \
{ \
.match_flags = IEEE1394_MATCH_VENDOR_ID | \
IEEE1394_MATCH_MODEL_ID, \
.vendor_id = vendor,\
.model_id = model \
}
#endif
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