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 0xffffc8020000 39 #define BEBOB_ADDR_REG_REQ 0xffffc8021000 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 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 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 }; 110 111 static inline int 112 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size) 113 { 114 return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST, 115 BEBOB_ADDR_REG_INFO + addr, 116 buf, size, 0); 117 } 118 119 static inline int 120 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf) 121 { 122 return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, 123 BEBOB_ADDR_REG_INFO + addr, 124 (void *)buf, sizeof(u32), 0); 125 } 126 127 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */ 128 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id, 129 unsigned int fb_id, unsigned int num); 130 int avc_audio_get_selector(struct fw_unit *unit, unsigned int subunit_id, 131 unsigned int fb_id, unsigned int *num); 132 133 /* 134 * AVC command extensions, AV/C Unit and Subunit, Revision 17 135 * (Nov 2003, BridgeCo) 136 */ 137 #define AVC_BRIDGECO_ADDR_BYTES 6 138 enum avc_bridgeco_plug_dir { 139 AVC_BRIDGECO_PLUG_DIR_IN = 0x00, 140 AVC_BRIDGECO_PLUG_DIR_OUT = 0x01 141 }; 142 enum avc_bridgeco_plug_mode { 143 AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00, 144 AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01, 145 AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02 146 }; 147 enum avc_bridgeco_plug_unit { 148 AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00, 149 AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01, 150 AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02 151 }; 152 enum avc_bridgeco_plug_type { 153 AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00, 154 AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01, 155 AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02, 156 AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03, 157 AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04, 158 AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05 159 }; 160 static inline void 161 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES], 162 enum avc_bridgeco_plug_dir dir, 163 enum avc_bridgeco_plug_unit unit, 164 unsigned int pid) 165 { 166 buf[0] = 0xff; /* Unit */ 167 buf[1] = dir; 168 buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT; 169 buf[3] = unit; 170 buf[4] = 0xff & pid; 171 buf[5] = 0xff; /* reserved */ 172 } 173 static inline void 174 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES], 175 enum avc_bridgeco_plug_dir dir, 176 unsigned int pid) 177 { 178 buf[0] = 0x60; /* Music subunit */ 179 buf[1] = dir; 180 buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT; 181 buf[3] = 0xff & pid; 182 buf[4] = 0xff; /* reserved */ 183 buf[5] = 0xff; /* reserved */ 184 } 185 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit, 186 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 187 u8 *buf, unsigned int len); 188 int avc_bridgeco_get_plug_type(struct fw_unit *unit, 189 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 190 enum avc_bridgeco_plug_type *type); 191 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit, 192 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 193 unsigned int id, u8 *type); 194 int avc_bridgeco_get_plug_input(struct fw_unit *unit, 195 u8 addr[AVC_BRIDGECO_ADDR_BYTES], 196 u8 input[7]); 197 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit, 198 u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf, 199 unsigned int *len, unsigned int eid); 200 201 /* for AMDTP streaming */ 202 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate); 203 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate); 204 int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob, 205 bool *internal); 206 int snd_bebob_stream_discover(struct snd_bebob *bebob); 207 int snd_bebob_stream_map(struct snd_bebob *bebob, 208 struct amdtp_stream *stream); 209 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob); 210 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate); 211 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob); 212 void snd_bebob_stream_update_duplex(struct snd_bebob *bebob); 213 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob); 214 215 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob); 216 int snd_bebob_stream_lock_try(struct snd_bebob *bebob); 217 void snd_bebob_stream_lock_release(struct snd_bebob *bebob); 218 219 void snd_bebob_proc_init(struct snd_bebob *bebob); 220 221 int snd_bebob_create_midi_devices(struct snd_bebob *bebob); 222 223 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob); 224 225 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob); 226 227 /* model specific operations */ 228 extern struct snd_bebob_spec phase88_rack_spec; 229 extern struct snd_bebob_spec phase24_series_spec; 230 231 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \ 232 { \ 233 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 234 IEEE1394_MATCH_MODEL_ID, \ 235 .vendor_id = vendor, \ 236 .model_id = model, \ 237 .driver_data = (kernel_ulong_t)data \ 238 } 239 240 #endif 241