LXR linux/sound/firewire/fireworks/fireworks.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * fireworks.h - a part of driver for Fireworks based devices
   4 *
   5 * Copyright (c) 2009-2010 Clemens Ladisch
   6 * Copyright (c) 2013-2014 Takashi Sakamoto
   7 */
   8#ifndef SOUND_FIREWORKS_H_INCLUDED
   9#define SOUND_FIREWORKS_H_INCLUDED
  10
  11#include <linux/compat.h>
  12#include <linux/device.h>
  13#include <linux/firewire.h>
  14#include <linux/firewire-constants.h>
  15#include <linux/module.h>
  16#include <linux/mod_devicetable.h>
  17#include <linux/delay.h>
  18#include <linux/slab.h>
  19#include <linux/sched/signal.h>
  20
  21#include <sound/core.h>
  22#include <sound/initval.h>
  23#include <sound/pcm.h>
  24#include <sound/info.h>
  25#include <sound/rawmidi.h>
  26#include <sound/pcm_params.h>
  27#include <sound/firewire.h>
  28#include <sound/hwdep.h>
  29
  30#include "../packets-buffer.h"
  31#include "../iso-resources.h"
  32#include "../amdtp-am824.h"
  33#include "../cmp.h"
  34#include "../lib.h"
  35
  36#define SND_EFW_MAX_MIDI_OUT_PORTS      2
  37#define SND_EFW_MAX_MIDI_IN_PORTS       2
  38
  39#define SND_EFW_MULTIPLIER_MODES        3
  40#define HWINFO_NAME_SIZE_BYTES          32
  41#define HWINFO_MAX_CAPS_GROUPS          8
  42
  43/*
  44 * This should be greater than maximum bytes for EFW response content.
  45 * Currently response against command for isochronous channel mapping is
  46 * confirmed to be the maximum one. But for flexibility, use maximum data
  47 * payload for asynchronous primary packets at S100 (Cable base rate) in
  48 * IEEE Std 1394-1995.
  49 */
  50#define SND_EFW_RESPONSE_MAXIMUM_BYTES  0x200U
  51
  52extern unsigned int snd_efw_resp_buf_size;
  53extern bool snd_efw_resp_buf_debug;
  54
  55struct snd_efw_phys_grp {
  56        u8 type;        /* see enum snd_efw_grp_type */
  57        u8 count;
  58} __packed;
  59
  60struct snd_efw {
  61        struct snd_card *card;
  62        struct fw_unit *unit;
  63        int card_index;
  64
  65        struct mutex mutex;
  66        spinlock_t lock;
  67
  68        bool registered;
  69        struct delayed_work dwork;
  70
  71        /* for transaction */
  72        u32 seqnum;
  73        bool resp_addr_changable;
  74
  75        /* for quirks */
  76        bool is_af9;
  77        bool is_fireworks3;
  78        u32 firmware_version;
  79
  80        unsigned int midi_in_ports;
  81        unsigned int midi_out_ports;
  82
  83        unsigned int supported_sampling_rate;
  84        unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES];
  85        unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES];
  86
  87        struct amdtp_stream tx_stream;
  88        struct amdtp_stream rx_stream;
  89        struct cmp_connection out_conn;
  90        struct cmp_connection in_conn;
  91        unsigned int substreams_counter;
  92
  93        /* hardware metering parameters */
  94        unsigned int phys_out;
  95        unsigned int phys_in;
  96        unsigned int phys_out_grp_count;
  97        unsigned int phys_in_grp_count;
  98        struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
  99        struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
 100
 101        /* for uapi */
 102        int dev_lock_count;
 103        bool dev_lock_changed;
 104        wait_queue_head_t hwdep_wait;
 105
 106        /* response queue */
 107        u8 *resp_buf;
 108        u8 *pull_ptr;
 109        u8 *push_ptr;
 110};
 111
 112int snd_efw_transaction_cmd(struct fw_unit *unit,
 113                            const void *cmd, unsigned int size);
 114int snd_efw_transaction_run(struct fw_unit *unit,
 115                            const void *cmd, unsigned int cmd_size,
 116                            void *resp, unsigned int resp_size);
 117int snd_efw_transaction_register(void);
 118void snd_efw_transaction_unregister(void);
 119void snd_efw_transaction_bus_reset(struct fw_unit *unit);
 120void snd_efw_transaction_add_instance(struct snd_efw *efw);
 121void snd_efw_transaction_remove_instance(struct snd_efw *efw);
 122
 123struct snd_efw_hwinfo {
 124        u32 flags;
 125        u32 guid_hi;
 126        u32 guid_lo;
 127        u32 type;
 128        u32 version;
 129        char vendor_name[HWINFO_NAME_SIZE_BYTES];
 130        char model_name[HWINFO_NAME_SIZE_BYTES];
 131        u32 supported_clocks;
 132        u32 amdtp_rx_pcm_channels;
 133        u32 amdtp_tx_pcm_channels;
 134        u32 phys_out;
 135        u32 phys_in;
 136        u32 phys_out_grp_count;
 137        struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
 138        u32 phys_in_grp_count;
 139        struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
 140        u32 midi_out_ports;
 141        u32 midi_in_ports;
 142        u32 max_sample_rate;
 143        u32 min_sample_rate;
 144        u32 dsp_version;
 145        u32 arm_version;
 146        u32 mixer_playback_channels;
 147        u32 mixer_capture_channels;
 148        u32 fpga_version;
 149        u32 amdtp_rx_pcm_channels_2x;
 150        u32 amdtp_tx_pcm_channels_2x;
 151        u32 amdtp_rx_pcm_channels_4x;
 152        u32 amdtp_tx_pcm_channels_4x;
 153        u32 reserved[16];
 154} __packed;
 155enum snd_efw_grp_type {
 156        SND_EFW_CH_TYPE_ANALOG                  = 0,
 157        SND_EFW_CH_TYPE_SPDIF                   = 1,
 158        SND_EFW_CH_TYPE_ADAT                    = 2,
 159        SND_EFW_CH_TYPE_SPDIF_OR_ADAT           = 3,
 160        SND_EFW_CH_TYPE_ANALOG_MIRRORING        = 4,
 161        SND_EFW_CH_TYPE_HEADPHONES              = 5,
 162        SND_EFW_CH_TYPE_I2S                     = 6,
 163        SND_EFW_CH_TYPE_GUITAR                  = 7,
 164        SND_EFW_CH_TYPE_PIEZO_GUITAR            = 8,
 165        SND_EFW_CH_TYPE_GUITAR_STRING           = 9,
 166        SND_EFW_CH_TYPE_DUMMY
 167};
 168struct snd_efw_phys_meters {
 169        u32 status;     /* guitar state/midi signal/clock input detect */
 170        u32 reserved0;
 171        u32 reserved1;
 172        u32 reserved2;
 173        u32 reserved3;
 174        u32 out_meters;
 175        u32 in_meters;
 176        u32 reserved4;
 177        u32 reserved5;
 178        u32 values[0];
 179} __packed;
 180enum snd_efw_clock_source {
 181        SND_EFW_CLOCK_SOURCE_INTERNAL   = 0,
 182        SND_EFW_CLOCK_SOURCE_SYTMATCH   = 1,
 183        SND_EFW_CLOCK_SOURCE_WORDCLOCK  = 2,
 184        SND_EFW_CLOCK_SOURCE_SPDIF      = 3,
 185        SND_EFW_CLOCK_SOURCE_ADAT_1     = 4,
 186        SND_EFW_CLOCK_SOURCE_ADAT_2     = 5,
 187        SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6     /* internal variable clock */
 188};
 189enum snd_efw_transport_mode {
 190        SND_EFW_TRANSPORT_MODE_WINDOWS  = 0,
 191        SND_EFW_TRANSPORT_MODE_IEC61883 = 1,
 192};
 193int snd_efw_command_set_resp_addr(struct snd_efw *efw,
 194                                  u16 addr_high, u32 addr_low);
 195int snd_efw_command_set_tx_mode(struct snd_efw *efw,
 196                                enum snd_efw_transport_mode mode);
 197int snd_efw_command_get_hwinfo(struct snd_efw *efw,
 198                               struct snd_efw_hwinfo *hwinfo);
 199int snd_efw_command_get_phys_meters(struct snd_efw *efw,
 200                                    struct snd_efw_phys_meters *meters,
 201                                    unsigned int len);
 202int snd_efw_command_get_clock_source(struct snd_efw *efw,
 203                                     enum snd_efw_clock_source *source);
 204int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
 205int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
 206
 207int snd_efw_stream_init_duplex(struct snd_efw *efw);
 208int snd_efw_stream_reserve_duplex(struct snd_efw *efw, unsigned int rate);
 209int snd_efw_stream_start_duplex(struct snd_efw *efw);
 210void snd_efw_stream_stop_duplex(struct snd_efw *efw);
 211void snd_efw_stream_update_duplex(struct snd_efw *efw);
 212void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
 213void snd_efw_stream_lock_changed(struct snd_efw *efw);
 214int snd_efw_stream_lock_try(struct snd_efw *efw);
 215void snd_efw_stream_lock_release(struct snd_efw *efw);
 216
 217void snd_efw_proc_init(struct snd_efw *efw);
 218
 219int snd_efw_create_midi_devices(struct snd_efw *efw);
 220
 221int snd_efw_create_pcm_devices(struct snd_efw *efw);
 222int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode);
 223
 224int snd_efw_create_hwdep_device(struct snd_efw *efw);
 225
 226#define SND_EFW_DEV_ENTRY(vendor, model) \
 227{ \
 228        .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
 229                          IEEE1394_MATCH_MODEL_ID, \
 230        .vendor_id      = vendor,\
 231        .model_id       = model \
 232}
 233
 234#endif
 235