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Linux/sound/firewire/bebob/bebob.h

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  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 #include <linux/sched/signal.h>
 21 
 22 #include <sound/core.h>
 23 #include <sound/initval.h>
 24 #include <sound/info.h>
 25 #include <sound/rawmidi.h>
 26 #include <sound/pcm.h>
 27 #include <sound/pcm_params.h>
 28 #include <sound/firewire.h>
 29 #include <sound/hwdep.h>
 30 
 31 #include "../lib.h"
 32 #include "../fcp.h"
 33 #include "../packets-buffer.h"
 34 #include "../iso-resources.h"
 35 #include "../amdtp-am824.h"
 36 #include "../cmp.h"
 37 
 38 /* basic register addresses on DM1000/DM1100/DM1500 */
 39 #define BEBOB_ADDR_REG_INFO     0xffffc8020000ULL
 40 #define BEBOB_ADDR_REG_REQ      0xffffc8021000ULL
 41 
 42 struct snd_bebob;
 43 
 44 #define SND_BEBOB_STRM_FMT_ENTRIES      7
 45 struct snd_bebob_stream_formation {
 46         unsigned int pcm;
 47         unsigned int midi;
 48 };
 49 /* this is a lookup table for index of stream formations */
 50 extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
 51 
 52 /* device specific operations */
 53 enum snd_bebob_clock_type {
 54         SND_BEBOB_CLOCK_TYPE_INTERNAL = 0,
 55         SND_BEBOB_CLOCK_TYPE_EXTERNAL,
 56         SND_BEBOB_CLOCK_TYPE_SYT,
 57 };
 58 struct snd_bebob_clock_spec {
 59         unsigned int num;
 60         const char *const *labels;
 61         enum snd_bebob_clock_type *types;
 62         int (*get)(struct snd_bebob *bebob, unsigned int *id);
 63 };
 64 struct snd_bebob_rate_spec {
 65         int (*get)(struct snd_bebob *bebob, unsigned int *rate);
 66         int (*set)(struct snd_bebob *bebob, unsigned int rate);
 67 };
 68 struct snd_bebob_meter_spec {
 69         unsigned int num;
 70         const char *const *labels;
 71         int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size);
 72 };
 73 struct snd_bebob_spec {
 74         const struct snd_bebob_clock_spec *clock;
 75         const struct snd_bebob_rate_spec *rate;
 76         const struct snd_bebob_meter_spec *meter;
 77 };
 78 
 79 struct snd_bebob {
 80         struct snd_card *card;
 81         struct fw_unit *unit;
 82         int card_index;
 83 
 84         struct mutex mutex;
 85         spinlock_t lock;
 86 
 87         bool registered;
 88         struct delayed_work dwork;
 89 
 90         const struct ieee1394_device_id *entry;
 91         const struct snd_bebob_spec *spec;
 92 
 93         unsigned int midi_input_ports;
 94         unsigned int midi_output_ports;
 95 
 96         bool connected;
 97 
 98         struct amdtp_stream tx_stream;
 99         struct amdtp_stream rx_stream;
100         struct cmp_connection out_conn;
101         struct cmp_connection in_conn;
102         unsigned int substreams_counter;
103 
104         struct snd_bebob_stream_formation
105                 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
106         struct snd_bebob_stream_formation
107                 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
108 
109         int sync_input_plug;
110 
111         /* for uapi */
112         int dev_lock_count;
113         bool dev_lock_changed;
114         wait_queue_head_t hwdep_wait;
115 
116         /* for M-Audio special devices */
117         void *maudio_special_quirk;
118 
119         /* For BeBoB version quirk. */
120         unsigned int version;
121 };
122 
123 static inline int
124 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
125 {
126         return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
127                                   BEBOB_ADDR_REG_INFO + addr,
128                                   buf, size, 0);
129 }
130 
131 static inline int
132 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
133 {
134         return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
135                                   BEBOB_ADDR_REG_INFO + addr,
136                                   (void *)buf, sizeof(u32), 0);
137 }
138 
139 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
140 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
141                            unsigned int fb_id, unsigned int num);
142 int avc_audio_get_selector(struct fw_unit *unit, unsigned  int subunit_id,
143                            unsigned int fb_id, unsigned int *num);
144 
145 /*
146  * AVC command extensions, AV/C Unit and Subunit, Revision 17
147  * (Nov 2003, BridgeCo)
148  */
149 #define AVC_BRIDGECO_ADDR_BYTES 6
150 enum avc_bridgeco_plug_dir {
151         AVC_BRIDGECO_PLUG_DIR_IN        = 0x00,
152         AVC_BRIDGECO_PLUG_DIR_OUT       = 0x01
153 };
154 enum avc_bridgeco_plug_mode {
155         AVC_BRIDGECO_PLUG_MODE_UNIT             = 0x00,
156         AVC_BRIDGECO_PLUG_MODE_SUBUNIT          = 0x01,
157         AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK   = 0x02
158 };
159 enum avc_bridgeco_plug_unit {
160         AVC_BRIDGECO_PLUG_UNIT_ISOC     = 0x00,
161         AVC_BRIDGECO_PLUG_UNIT_EXT      = 0x01,
162         AVC_BRIDGECO_PLUG_UNIT_ASYNC    = 0x02
163 };
164 enum avc_bridgeco_plug_type {
165         AVC_BRIDGECO_PLUG_TYPE_ISOC     = 0x00,
166         AVC_BRIDGECO_PLUG_TYPE_ASYNC    = 0x01,
167         AVC_BRIDGECO_PLUG_TYPE_MIDI     = 0x02,
168         AVC_BRIDGECO_PLUG_TYPE_SYNC     = 0x03,
169         AVC_BRIDGECO_PLUG_TYPE_ANA      = 0x04,
170         AVC_BRIDGECO_PLUG_TYPE_DIG      = 0x05,
171         AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06
172 };
173 static inline void
174 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
175                             enum avc_bridgeco_plug_dir dir,
176                             enum avc_bridgeco_plug_unit unit,
177                             unsigned int pid)
178 {
179         buf[0] = 0xff;  /* Unit */
180         buf[1] = dir;
181         buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
182         buf[3] = unit;
183         buf[4] = 0xff & pid;
184         buf[5] = 0xff;  /* reserved */
185 }
186 static inline void
187 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
188                            enum avc_bridgeco_plug_dir dir,
189                            unsigned int pid)
190 {
191         buf[0] = 0x60;  /* Music subunit */
192         buf[1] = dir;
193         buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
194         buf[3] = 0xff & pid;
195         buf[4] = 0xff;  /* reserved */
196         buf[5] = 0xff;  /* reserved */
197 }
198 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
199                                  u8 addr[AVC_BRIDGECO_ADDR_BYTES],
200                                  u8 *buf, unsigned int len);
201 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
202                                u8 addr[AVC_BRIDGECO_ADDR_BYTES],
203                                enum avc_bridgeco_plug_type *type);
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_start_duplex(struct snd_bebob *bebob, unsigned int rate);
222 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
223 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
224 
225 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
226 int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
227 void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
228 
229 void snd_bebob_proc_init(struct snd_bebob *bebob);
230 
231 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
232 
233 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
234 
235 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
236 
237 /* model specific operations */
238 extern const struct snd_bebob_spec phase88_rack_spec;
239 extern const struct snd_bebob_spec yamaha_terratec_spec;
240 extern const struct snd_bebob_spec saffirepro_26_spec;
241 extern const struct snd_bebob_spec saffirepro_10_spec;
242 extern const struct snd_bebob_spec saffire_le_spec;
243 extern const struct snd_bebob_spec saffire_spec;
244 extern const struct snd_bebob_spec maudio_fw410_spec;
245 extern const struct snd_bebob_spec maudio_audiophile_spec;
246 extern const struct snd_bebob_spec maudio_solo_spec;
247 extern const struct snd_bebob_spec maudio_ozonic_spec;
248 extern const struct snd_bebob_spec maudio_nrv10_spec;
249 extern const struct snd_bebob_spec maudio_special_spec;
250 int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
251 int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
252 
253 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
254 { \
255         .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
256                           IEEE1394_MATCH_MODEL_ID, \
257         .vendor_id      = vendor, \
258         .model_id       = model, \
259         .driver_data    = (kernel_ulong_t)data \
260 }
261 
262 #endif
263 

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