kernel/sound/firewire/bebob/bebob.h

   1 /*
   2  * bebob.h - a part of driver for BeBoB based devices
   3  *
   4  * Copyright (c) 2013-2014 Takashi Sakamoto
   5  *
   6  * Licensed under the terms of the GNU General Public License, version 2.
   7  */
   8
   9 #ifndef SOUND_BEBOB_H_INCLUDED
  10 #define SOUND_BEBOB_H_INCLUDED
  11
  12 #include <linux/compat.h>
  13 #include <linux/device.h>
  14 #include <linux/firewire.h>
  15 #include <linux/firewire-constants.h>
  16 #include <linux/module.h>
  17 #include <linux/mod_devicetable.h>
  18 #include <linux/delay.h>
  19 #include <linux/slab.h>
  20
  21 #include <sound/core.h>
  22 #include <sound/initval.h>
  23 #include <sound/info.h>
  24 #include <sound/rawmidi.h>
  25 #include <sound/pcm.h>
  26 #include <sound/pcm_params.h>
  27 #include <sound/firewire.h>
  28 #include <sound/hwdep.h>
  29
  30 #include "../lib.h"
  31 #include "../fcp.h"
  32 #include "../packets-buffer.h"
  33 #include "../iso-resources.h"
  34 #include "../amdtp.h"
  35 #include "../cmp.h"
  36
  37 /* basic register addresses on DM1000/DM1100/DM1500 */
  38 #define BEBOB_ADDR_REG_INFO     0xffffc8020000ULL
  39 #define BEBOB_ADDR_REG_REQ      0xffffc8021000ULL
  40
  41 struct snd_bebob;
  42
  43 #define SND_BEBOB_STRM_FMT_ENTRIES      7
  44 struct snd_bebob_stream_formation {
  45         unsigned int pcm;
  46         unsigned int midi;
  47 };
  48 /* this is a lookup table for index of stream formations */
  49 extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
  50
  51 /* device specific operations */
  52 #define SND_BEBOB_CLOCK_INTERNAL        "Internal"
  53 struct snd_bebob_clock_spec {
  54         unsigned int num;
  55         const char *const *labels;
  56         int (*get)(struct snd_bebob *bebob, unsigned int *id);
  57 };
  58 struct snd_bebob_rate_spec {
  59         int (*get)(struct snd_bebob *bebob, unsigned int *rate);
  60         int (*set)(struct snd_bebob *bebob, unsigned int rate);
  61 };
  62 struct snd_bebob_meter_spec {
  63         unsigned int num;
  64         const char *const *labels;
  65         int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size);
  66 };
  67 struct snd_bebob_spec {
  68         struct snd_bebob_clock_spec *clock;
  69         struct snd_bebob_rate_spec *rate;
  70         struct snd_bebob_meter_spec *meter;
  71 };
  72
  73 struct snd_bebob {
  74         struct snd_card *card;
  75         struct fw_unit *unit;
  76         int card_index;
  77
  78         struct mutex mutex;
  79         spinlock_t lock;
  80
  81         const struct snd_bebob_spec *spec;
  82
  83         unsigned int midi_input_ports;
  84         unsigned int midi_output_ports;
  85
  86         /* for bus reset quirk */
  87         struct completion bus_reset;
  88         bool connected;
  89
  90         struct amdtp_stream *master;
  91         struct amdtp_stream tx_stream;
  92         struct amdtp_stream rx_stream;
  93         struct cmp_connection out_conn;
  94         struct cmp_connection in_conn;
  95         atomic_t capture_substreams;
  96         atomic_t playback_substreams;
  97
  98         struct snd_bebob_stream_formation
  99                 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
 100         struct snd_bebob_stream_formation
 101                 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
 102
 103         int sync_input_plug;
 104
 105         /* for uapi */
 106         int dev_lock_count;
 107         bool dev_lock_changed;
 108         wait_queue_head_t hwdep_wait;
 109
 110         /* for M-Audio special devices */
 111         void *maudio_special_quirk;
 112         bool deferred_registration;
 113 };
 114
 115 static inline int
 116 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
 117 {
 118         return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
 119                                   BEBOB_ADDR_REG_INFO + addr,
 120                                   buf, size, 0);
 121 }
 122
 123 static inline int
 124 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
 125 {
 126         return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
 127                                   BEBOB_ADDR_REG_INFO + addr,
 128                                   (void *)buf, sizeof(u32), 0);
 129 }
 130
 131 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
 132 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
 133                            unsigned int fb_id, unsigned int num);
 134 int avc_audio_get_selector(struct fw_unit *unit, unsigned  int subunit_id,
 135                            unsigned int fb_id, unsigned int *num);
 136
 137 /*
 138  * AVC command extensions, AV/C Unit and Subunit, Revision 17
 139  * (Nov 2003, BridgeCo)
 140  */
 141 #define AVC_BRIDGECO_ADDR_BYTES 6
 142 enum avc_bridgeco_plug_dir {
 143         AVC_BRIDGECO_PLUG_DIR_IN        = 0x00,
 144         AVC_BRIDGECO_PLUG_DIR_OUT       = 0x01
 145 };
 146 enum avc_bridgeco_plug_mode {
 147         AVC_BRIDGECO_PLUG_MODE_UNIT             = 0x00,
 148         AVC_BRIDGECO_PLUG_MODE_SUBUNIT          = 0x01,
 149         AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK   = 0x02
 150 };
 151 enum avc_bridgeco_plug_unit {
 152         AVC_BRIDGECO_PLUG_UNIT_ISOC     = 0x00,
 153         AVC_BRIDGECO_PLUG_UNIT_EXT      = 0x01,
 154         AVC_BRIDGECO_PLUG_UNIT_ASYNC    = 0x02
 155 };
 156 enum avc_bridgeco_plug_type {
 157         AVC_BRIDGECO_PLUG_TYPE_ISOC     = 0x00,
 158         AVC_BRIDGECO_PLUG_TYPE_ASYNC    = 0x01,
 159         AVC_BRIDGECO_PLUG_TYPE_MIDI     = 0x02,
 160         AVC_BRIDGECO_PLUG_TYPE_SYNC     = 0x03,
 161         AVC_BRIDGECO_PLUG_TYPE_ANA      = 0x04,
 162         AVC_BRIDGECO_PLUG_TYPE_DIG      = 0x05
 163 };
 164 static inline void
 165 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
 166                             enum avc_bridgeco_plug_dir dir,
 167                             enum avc_bridgeco_plug_unit unit,
 168                             unsigned int pid)
 169 {
 170         buf[0] = 0xff;  /* Unit */
 171         buf[1] = dir;
 172         buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
 173         buf[3] = unit;
 174         buf[4] = 0xff & pid;
 175         buf[5] = 0xff;  /* reserved */
 176 }
 177 static inline void
 178 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
 179                            enum avc_bridgeco_plug_dir dir,
 180                            unsigned int pid)
 181 {
 182         buf[0] = 0x60;  /* Music subunit */
 183         buf[1] = dir;
 184         buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
 185         buf[3] = 0xff & pid;
 186         buf[4] = 0xff;  /* reserved */
 187         buf[5] = 0xff;  /* reserved */
 188 }
 189 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
 190                                  u8 addr[AVC_BRIDGECO_ADDR_BYTES],
 191                                  u8 *buf, unsigned int len);
 192 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
 193                                u8 addr[AVC_BRIDGECO_ADDR_BYTES],
 194                                enum avc_bridgeco_plug_type *type);
 195 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
 196                                        u8 addr[AVC_BRIDGECO_ADDR_BYTES],
 197                                        unsigned int id, u8 *type);
 198 int avc_bridgeco_get_plug_input(struct fw_unit *unit,
 199                                 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
 200                                 u8 input[7]);
 201 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
 202                                    u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
 203                                    unsigned int *len, unsigned int eid);
 204
 205 /* for AMDTP streaming */
 206 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
 207 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
 208 int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
 209                                           bool *internal);
 210 int snd_bebob_stream_discover(struct snd_bebob *bebob);
 211 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
 212 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate);
 213 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
 214 void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
 215 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
 216
 217 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
 218 int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
 219 void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
 220
 221 void snd_bebob_proc_init(struct snd_bebob *bebob);
 222
 223 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
 224
 225 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
 226
 227 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
 228
 229 /* model specific operations */
 230 extern struct snd_bebob_spec phase88_rack_spec;
 231 extern struct snd_bebob_spec phase24_series_spec;
 232 extern struct snd_bebob_spec yamaha_go_spec;
 233 extern struct snd_bebob_spec saffirepro_26_spec;
 234 extern struct snd_bebob_spec saffirepro_10_spec;
 235 extern struct snd_bebob_spec saffire_le_spec;
 236 extern struct snd_bebob_spec saffire_spec;
 237 extern struct snd_bebob_spec maudio_fw410_spec;
 238 extern struct snd_bebob_spec maudio_audiophile_spec;
 239 extern struct snd_bebob_spec maudio_solo_spec;
 240 extern struct snd_bebob_spec maudio_ozonic_spec;
 241 extern struct snd_bebob_spec maudio_nrv10_spec;
 242 extern struct snd_bebob_spec maudio_special_spec;
 243 int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
 244 int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
 245
 246 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
 247 { \
 248         .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
 249                           IEEE1394_MATCH_MODEL_ID, \
 250         .vendor_id      = vendor, \
 251         .model_id       = model, \
 252         .driver_data    = (kernel_ulong_t)data \
 253 }
 254
 255 #endif