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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>
174cd4b1 20#include <linux/sched/signal.h>
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21
22#include <sound/core.h>
23#include <sound/initval.h>
ad9697ba 24#include <sound/info.h>
248b7802 25#include <sound/rawmidi.h>
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26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
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28#include <sound/firewire.h>
29#include <sound/hwdep.h>
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30
31#include "../lib.h"
32#include "../fcp.h"
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33#include "../packets-buffer.h"
34#include "../iso-resources.h"
5955815e 35#include "../amdtp-am824.h"
eb7b3a05 36#include "../cmp.h"
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37
38/* basic register addresses on DM1000/DM1100/DM1500 */
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39#define BEBOB_ADDR_REG_INFO 0xffffc8020000ULL
40#define BEBOB_ADDR_REG_REQ 0xffffc8021000ULL
fd6f4b0d 41
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42struct snd_bebob;
43
44#define SND_BEBOB_STRM_FMT_ENTRIES 7
45struct snd_bebob_stream_formation {
46 unsigned int pcm;
47 unsigned int midi;
48};
49/* this is a lookup table for index of stream formations */
50extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
51
1fc9522a 52/* device specific operations */
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53enum snd_bebob_clock_type {
54 SND_BEBOB_CLOCK_TYPE_INTERNAL = 0,
55 SND_BEBOB_CLOCK_TYPE_EXTERNAL,
56 SND_BEBOB_CLOCK_TYPE_SYT,
57};
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58struct snd_bebob_clock_spec {
59 unsigned int num;
e7ced413 60 const char *const *labels;
13a4f420 61 enum snd_bebob_clock_type *types;
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62 int (*get)(struct snd_bebob *bebob, unsigned int *id);
63};
64struct 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};
68struct snd_bebob_meter_spec {
69 unsigned int num;
e7ced413 70 const char *const *labels;
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71 int (*get)(struct snd_bebob *bebob, u32 *target, unsigned int size);
72};
73struct snd_bebob_spec {
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74 const struct snd_bebob_clock_spec *clock;
75 const struct snd_bebob_rate_spec *rate;
76 const struct snd_bebob_meter_spec *meter;
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77};
78
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79struct 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;
eb7b3a05 86
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87 bool registered;
88 struct delayed_work dwork;
89
90 const struct ieee1394_device_id *entry;
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91 const struct snd_bebob_spec *spec;
92
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93 unsigned int midi_input_ports;
94 unsigned int midi_output_ports;
95
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96 bool connected;
97
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98 struct amdtp_stream tx_stream;
99 struct amdtp_stream rx_stream;
100 struct cmp_connection out_conn;
101 struct cmp_connection in_conn;
4fd6c6c7 102 unsigned int substreams_counter;
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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;
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110
111 /* for uapi */
112 int dev_lock_count;
113 bool dev_lock_changed;
114 wait_queue_head_t hwdep_wait;
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115
116 /* for M-Audio special devices */
117 void *maudio_special_quirk;
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118
119 /* For BeBoB version quirk. */
120 unsigned int version;
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121};
122
123static inline int
124snd_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
131static inline int
132snd_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
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139/* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
140int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
141 unsigned int fb_id, unsigned int num);
142int avc_audio_get_selector(struct fw_unit *unit, unsigned int subunit_id,
143 unsigned int fb_id, unsigned int *num);
144
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145/*
146 * AVC command extensions, AV/C Unit and Subunit, Revision 17
147 * (Nov 2003, BridgeCo)
148 */
149#define AVC_BRIDGECO_ADDR_BYTES 6
150enum avc_bridgeco_plug_dir {
151 AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
152 AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
153};
154enum 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};
159enum 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};
164enum 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,
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170 AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05,
171 AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06
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172};
173static inline void
174avc_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}
186static inline void
187avc_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}
198int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
199 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
200 u8 *buf, unsigned int len);
201int avc_bridgeco_get_plug_type(struct fw_unit *unit,
202 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
203 enum avc_bridgeco_plug_type *type);
204int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
205 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
206 unsigned int id, u8 *type);
207int avc_bridgeco_get_plug_input(struct fw_unit *unit,
208 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
209 u8 input[7]);
210int 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 */
215int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
216int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
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217int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob,
218 enum snd_bebob_clock_type *src);
eb7b3a05 219int snd_bebob_stream_discover(struct snd_bebob *bebob);
eb7b3a05 220int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
4a286d55 221int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate);
eb7b3a05 222void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
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223void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
224
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225void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
226int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
227void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
228
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229void snd_bebob_proc_init(struct snd_bebob *bebob);
230
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231int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
232
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233int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
234
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235int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
236
326b9cac 237/* model specific operations */
6b9866c8 238extern const struct snd_bebob_spec phase88_rack_spec;
e15c282e 239extern const struct snd_bebob_spec yamaha_terratec_spec;
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240extern const struct snd_bebob_spec saffirepro_26_spec;
241extern const struct snd_bebob_spec saffirepro_10_spec;
242extern const struct snd_bebob_spec saffire_le_spec;
243extern const struct snd_bebob_spec saffire_spec;
244extern const struct snd_bebob_spec maudio_fw410_spec;
245extern const struct snd_bebob_spec maudio_audiophile_spec;
246extern const struct snd_bebob_spec maudio_solo_spec;
247extern const struct snd_bebob_spec maudio_ozonic_spec;
248extern const struct snd_bebob_spec maudio_nrv10_spec;
249extern const struct snd_bebob_spec maudio_special_spec;
3149ac48 250int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
a2b2a779 251int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
326b9cac 252
1fc9522a 253#define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
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254{ \
255 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
256 IEEE1394_MATCH_MODEL_ID, \
257 .vendor_id = vendor, \
258 .model_id = model, \
1fc9522a 259 .driver_data = (kernel_ulong_t)data \
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260}
261
262#endif