1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * bebob.h - a part of driver for BeBoB based devices 4 * 5 * Copyright (c) 2013-2014 Takashi Sakamoto 6 */ 7 8 #ifndef SOUND_BEBOB_H_INCLUDED 9 #define SOUND_BEBOB_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/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-am824.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 enum snd_bebob_clock_type { 53 SND_BEBOB_CLOCK_TYPE_INTERNAL = 0, 54 SND_BEBOB_CLOCK_TYPE_EXTERNAL, 55 SND_BEBOB_CLOCK_TYPE_SYT, 56 }; 57 struct snd_bebob_clock_spec { 58 unsigned int num; 59 const char *const *labels; 60 const enum snd_bebob_clock_type *types; 61 int (*get)(struct snd_bebob *bebob, unsigned int *id); 62 }; 63 struct snd_bebob_rate_spec { 64 int (*get)(struct snd_bebob *bebob, unsigned int *rate); 65 int (*set)(struct snd_bebob *bebob, unsigned int rate); 66 }; 67 struct snd_bebob_meter_spec { 68 unsigned int num; 69 const char *const *labels; 70 int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size); 71 }; 72 struct snd_bebob_spec { 73 const struct snd_bebob_clock_spec *clock; 74 const struct snd_bebob_rate_spec *rate; 75 const struct snd_bebob_meter_spec *meter; 76 }; 77 78 enum snd_bebob_quirk { 79 SND_BEBOB_QUIRK_INITIAL_DISCONTINUOUS_DBC = (1 << 0), 80 SND_BEBOB_QUIRK_WRONG_DBC = (1 << 1), 81 }; 82 83 struct snd_bebob { 84 struct snd_card *card; 85 struct fw_unit *unit; 86 int card_index; 87 88 struct mutex mutex; 89 spinlock_t lock; 90 91 const struct snd_bebob_spec *spec; 92 unsigned int quirks; // Combination of snd_bebob_quirk enumerations. 93 94 unsigned int midi_input_ports; 95 unsigned int midi_output_ports; 96 97 struct amdtp_stream tx_stream; 98 struct amdtp_stream rx_stream; 99 struct cmp_connection out_conn; 100 struct cmp_connection in_conn; 101 unsigned int substreams_counter; 102 103 struct snd_bebob_stream_formation 104 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES]; 105 struct snd_bebob_stream_formation 106 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES]; 107 108 int sync_input_plug; 109 110 /* for uapi */ 111 int dev_lock_count; 112 bool dev_lock_changed; 113 wait_queue_head_t hwdep_wait; 114 115 /* for M-Audio special devices */ 116 void *maudio_special_quirk; 117 118 struct amdtp_domain domain; 119 }; 120 121 static inline int 122 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size) 123 { 124 return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST, 125 BEBOB_ADDR_REG_INFO + addr, 126 buf, size, 0); 127 } 128 129 static inline int 130 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf) 131 { 132 return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, 133 BEBOB_ADDR_REG_INFO + addr, 134 (void *)buf, sizeof(u32), 0); 135 } 136 137 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */ 138 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id, 139 unsigned int fb_id, unsigned int num); 140 int avc_audio_get_selector(struct fw_unit *unit, unsigned int subunit_id, 141 unsigned int fb_id, unsigned int *num); 142 143 /* 144 * AVC command extensions, AV/C Unit and Subunit, Revision 17 145 * (Nov 2003, BridgeCo) 146 */ 147 #define AVC_BRIDGECO_ADDR_BYTES 6 148 enum avc_bridgeco_plug_dir { 149 AVC_BRIDGECO_PLUG_DIR_IN = 0x00, 150 AVC_BRIDGECO_PLUG_DIR_OUT = 0x01 151 }; 152 enum avc_bridgeco_plug_mode { 153 AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00, 154 AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01, 155 AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02 156 }; 157 enum avc_bridgeco_plug_unit { 158 AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00, 159 AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01, 160 AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02 161 }; 162 enum avc_bridgeco_plug_type { 163 AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00, 164 AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01, 165 AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02, 166 AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03, 167 AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04, 168 AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05, 169 AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06 170 }; 171 static inline void 172 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES], 173 enum avc_bridgeco_plug_dir dir, 174 enum avc_bridgeco_plug_unit unit, 175 unsigned int pid) 176 { 177 buf[0] = 0xff; /* Unit */ 178 buf[1] = dir; 179 buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT; 180 buf[3] = unit; 181 buf[4] = 0xff & pid; 182 buf[5] = 0xff; /* reserved */ 183 } 184 static inline void 185 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES], 186 enum avc_bridgeco_plug_dir dir, 187 unsigned int pid) 188 { 189 buf[0] = 0x60; /* Music subunit */ 190 buf[1] = dir; 191 buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT; 192 buf[3] = 0xff & pid; 193 buf[4] = 0xff; /* reserved */ 194 buf[5] = 0xff; /* reserved */ 195 } 196 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit, 197 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 198 u8 *buf, unsigned int len); 199 int avc_bridgeco_get_plug_type(struct fw_unit *unit, 200 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 201 enum avc_bridgeco_plug_type *type); 202 int avc_bridgeco_get_plug_ch_count(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES], 203 unsigned int *ch_count); 204 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit, 205 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 206 unsigned int id, u8 *type); 207 int avc_bridgeco_get_plug_input(struct fw_unit *unit, 208 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 209 u8 input[7]); 210 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit, 211 u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf, 212 unsigned int *len, unsigned int eid); 213 214 /* for AMDTP streaming */ 215 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate); 216 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate); 217 int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob, 218 enum snd_bebob_clock_type *src); 219 int snd_bebob_stream_discover(struct snd_bebob *bebob); 220 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob); 221 int snd_bebob_stream_reserve_duplex(struct snd_bebob *bebob, unsigned int rate, 222 unsigned int frames_per_period, 223 unsigned int frames_per_buffer); 224 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob); 225 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob); 226 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob); 227 228 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob); 229 int snd_bebob_stream_lock_try(struct snd_bebob *bebob); 230 void snd_bebob_stream_lock_release(struct snd_bebob *bebob); 231 232 void snd_bebob_proc_init(struct snd_bebob *bebob); 233 234 int snd_bebob_create_midi_devices(struct snd_bebob *bebob); 235 236 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob); 237 238 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob); 239 240 /* model specific operations */ 241 extern const struct snd_bebob_spec phase88_rack_spec; 242 extern const struct snd_bebob_spec yamaha_terratec_spec; 243 extern const struct snd_bebob_spec saffirepro_26_spec; 244 extern const struct snd_bebob_spec saffirepro_10_spec; 245 extern const struct snd_bebob_spec saffire_le_spec; 246 extern const struct snd_bebob_spec saffire_spec; 247 extern const struct snd_bebob_spec maudio_fw410_spec; 248 extern const struct snd_bebob_spec maudio_audiophile_spec; 249 extern const struct snd_bebob_spec maudio_solo_spec; 250 extern const struct snd_bebob_spec maudio_ozonic_spec; 251 extern const struct snd_bebob_spec maudio_nrv10_spec; 252 extern const struct snd_bebob_spec maudio_special_spec; 253 int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814); 254 int snd_bebob_maudio_load_firmware(struct fw_unit *unit); 255 256 #endif 257