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alistair23-linux/sound/firewire/fireworks/fireworks.h
Takashi Sakamoto 18f5ed365d ALSA: fireworks/firewire-lib: add support for recent firmware quirk 
Fireworks uses TSB43CB43(IceLynx-Micro) as its IEC 61883-1/6 interface.
This chip includes ARM7 core, and loads and runs program. The firmware
is stored in on-board memory and loaded every powering-on from it.

Echo Audio ships several versions of firmwares for each model. These
firmwares have each quirk and the quirk changes a sequence of packets.

As long as I investigated, AudioFire2/AudioFire4/AudioFirePre8 have a
quirk to transfer a first packet with 0x02 in its dbc field. This causes
ALSA Fireworks driver to detect discontinuity. In this case, firmware
version 5.7.0, 5.7.3 and 5.8.0 are used.

Payload  CIP      CIP
quadlets header1  header2
02       00050002 90ffffff <-
42       0005000a 90013000
42       00050012 90014400
42       0005001a 90015800
02       0005001a 90ffffff
42       00050022 90019000
42       0005002a 9001a400
42       00050032 9001b800
02       00050032 90ffffff
42       0005003a 9001d000
42       00050042 9001e400
42       0005004a 9001f800
02       0005004a 90ffffff
(AudioFire2 with firmware version 5.7.)

$ dmesg
snd-fireworks fw1.0: Detect discontinuity of CIP: 00 02

These models, AudioFire8 (since Jul 2009 ) and Gibson Robot Interface
Pack series uses the same ARM binary as their firmware. Thus, this
quirk may be observed among them.

This commit adds a new member for AMDTP structure. This member represents
the value of dbc field in a first AMDTP packet. Drivers can set it with
a preferred value according to model's quirk.

Tested-by: Johannes Oertei <johannes.oertel@uni-due.de>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-08-05 07:52:39 +02:00

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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 <sound/info.h>
#include <sound/rawmidi.h>
#include <sound/pcm_params.h>
#include <sound/firewire.h>
#include <sound/hwdep.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
extern unsigned int snd_efw_resp_buf_size;
extern bool snd_efw_resp_buf_debug;
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;
/* for quirks */
bool is_af9;
bool is_fireworks3;
u32 firmware_version;
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;
/* hardware metering parameters */
unsigned int phys_out;
unsigned int phys_in;
unsigned int phys_out_grp_count;
unsigned int phys_in_grp_count;
struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
/* for uapi */
int dev_lock_count;
bool dev_lock_changed;
wait_queue_head_t hwdep_wait;
/* response queue */
u8 *resp_buf;
u8 *pull_ptr;
u8 *push_ptr;
unsigned int resp_queues;
};
int snd_efw_transaction_cmd(struct fw_unit *unit,
const void *cmd, unsigned int size);
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);
void snd_efw_transaction_add_instance(struct snd_efw *efw);
void snd_efw_transaction_remove_instance(struct snd_efw *efw);
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_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,
enum snd_efw_transport_mode 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, unsigned int 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);
void snd_efw_stream_lock_changed(struct snd_efw *efw);
int snd_efw_stream_lock_try(struct snd_efw *efw);
void snd_efw_stream_lock_release(struct snd_efw *efw);
void snd_efw_proc_init(struct snd_efw *efw);
int snd_efw_create_midi_devices(struct snd_efw *efw);
int snd_efw_create_pcm_devices(struct snd_efw *efw);
int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode);
int snd_efw_create_hwdep_device(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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