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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 
 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         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 struct snd_bebob {
 79         struct snd_card *card;
 80         struct fw_unit *unit;
 81         int card_index;
 82 
 83         struct mutex mutex;
 84         spinlock_t lock;
 85 
 86         const struct snd_bebob_spec *spec;
 87 
 88         unsigned int midi_input_ports;
 89         unsigned int midi_output_ports;
 90 
 91         bool connected;
 92 
 93         struct amdtp_stream *master;
 94         struct amdtp_stream tx_stream;
 95         struct amdtp_stream rx_stream;
 96         struct cmp_connection out_conn;
 97         struct cmp_connection in_conn;
 98         unsigned int substreams_counter;
 99 
100         struct snd_bebob_stream_formation
101                 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
102         struct snd_bebob_stream_formation
103                 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
104 
105         int sync_input_plug;
106 
107         /* for uapi */
108         int dev_lock_count;
109         bool dev_lock_changed;
110         wait_queue_head_t hwdep_wait;
111 
112         /* for M-Audio special devices */
113         void *maudio_special_quirk;
114         bool deferred_registration;
115 
116         /* For BeBoB version quirk. */
117         unsigned int version;
118 };
119 
120 static inline int
121 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
122 {
123         return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
124                                   BEBOB_ADDR_REG_INFO + addr,
125                                   buf, size, 0);
126 }
127 
128 static inline int
129 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
130 {
131         return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
132                                   BEBOB_ADDR_REG_INFO + addr,
133                                   (void *)buf, sizeof(u32), 0);
134 }
135 
136 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
137 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
138                            unsigned int fb_id, unsigned int num);
139 int avc_audio_get_selector(struct fw_unit *unit, unsigned  int subunit_id,
140                            unsigned int fb_id, unsigned int *num);
141 
142 /*
143  * AVC command extensions, AV/C Unit and Subunit, Revision 17
144  * (Nov 2003, BridgeCo)
145  */
146 #define AVC_BRIDGECO_ADDR_BYTES 6
147 enum avc_bridgeco_plug_dir {
148         AVC_BRIDGECO_PLUG_DIR_IN        = 0x00,
149         AVC_BRIDGECO_PLUG_DIR_OUT       = 0x01
150 };
151 enum avc_bridgeco_plug_mode {
152         AVC_BRIDGECO_PLUG_MODE_UNIT             = 0x00,
153         AVC_BRIDGECO_PLUG_MODE_SUBUNIT          = 0x01,
154         AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK   = 0x02
155 };
156 enum avc_bridgeco_plug_unit {
157         AVC_BRIDGECO_PLUG_UNIT_ISOC     = 0x00,
158         AVC_BRIDGECO_PLUG_UNIT_EXT      = 0x01,
159         AVC_BRIDGECO_PLUG_UNIT_ASYNC    = 0x02
160 };
161 enum avc_bridgeco_plug_type {
162         AVC_BRIDGECO_PLUG_TYPE_ISOC     = 0x00,
163         AVC_BRIDGECO_PLUG_TYPE_ASYNC    = 0x01,
164         AVC_BRIDGECO_PLUG_TYPE_MIDI     = 0x02,
165         AVC_BRIDGECO_PLUG_TYPE_SYNC     = 0x03,
166         AVC_BRIDGECO_PLUG_TYPE_ANA      = 0x04,
167         AVC_BRIDGECO_PLUG_TYPE_DIG      = 0x05,
168         AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06
169 };
170 static inline void
171 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
172                             enum avc_bridgeco_plug_dir dir,
173                             enum avc_bridgeco_plug_unit unit,
174                             unsigned int pid)
175 {
176         buf[0] = 0xff;  /* Unit */
177         buf[1] = dir;
178         buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
179         buf[3] = unit;
180         buf[4] = 0xff & pid;
181         buf[5] = 0xff;  /* reserved */
182 }
183 static inline void
184 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
185                            enum avc_bridgeco_plug_dir dir,
186                            unsigned int pid)
187 {
188         buf[0] = 0x60;  /* Music subunit */
189         buf[1] = dir;
190         buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
191         buf[3] = 0xff & pid;
192         buf[4] = 0xff;  /* reserved */
193         buf[5] = 0xff;  /* reserved */
194 }
195 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
196                                  u8 addr[AVC_BRIDGECO_ADDR_BYTES],
197                                  u8 *buf, unsigned int len);
198 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
199                                u8 addr[AVC_BRIDGECO_ADDR_BYTES],
200                                enum avc_bridgeco_plug_type *type);
201 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
202                                        u8 addr[AVC_BRIDGECO_ADDR_BYTES],
203                                        unsigned int id, u8 *type);
204 int avc_bridgeco_get_plug_input(struct fw_unit *unit,
205                                 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
206                                 u8 input[7]);
207 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
208                                    u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
209                                    unsigned int *len, unsigned int eid);
210 
211 /* for AMDTP streaming */
212 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
213 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
214 int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob,
215                                    enum snd_bebob_clock_type *src);
216 int snd_bebob_stream_discover(struct snd_bebob *bebob);
217 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
218 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate);
219 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
220 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
221 
222 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
223 int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
224 void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
225 
226 void snd_bebob_proc_init(struct snd_bebob *bebob);
227 
228 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
229 
230 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
231 
232 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
233 
234 /* model specific operations */
235 extern const struct snd_bebob_spec phase88_rack_spec;
236 extern const struct snd_bebob_spec phase24_series_spec;
237 extern const struct snd_bebob_spec yamaha_go_spec;
238 extern const struct snd_bebob_spec saffirepro_26_spec;
239 extern const struct snd_bebob_spec saffirepro_10_spec;
240 extern const struct snd_bebob_spec saffire_le_spec;
241 extern const struct snd_bebob_spec saffire_spec;
242 extern const struct snd_bebob_spec maudio_fw410_spec;
243 extern const struct snd_bebob_spec maudio_audiophile_spec;
244 extern const struct snd_bebob_spec maudio_solo_spec;
245 extern const struct snd_bebob_spec maudio_ozonic_spec;
246 extern const struct snd_bebob_spec maudio_nrv10_spec;
247 extern const struct snd_bebob_spec maudio_special_spec;
248 int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
249 int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
250 
251 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
252 { \
253         .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
254                           IEEE1394_MATCH_MODEL_ID, \
255         .vendor_id      = vendor, \
256         .model_id       = model, \
257         .driver_data    = (kernel_ulong_t)data \
258 }
259 
260 #endif
261 

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