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 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 bool registered;
87 struct delayed_work dwork;
88
89 const struct ieee1394_device_id *entry;
90 const struct snd_bebob_spec *spec;
91
92 unsigned int midi_input_ports;
93 unsigned int midi_output_ports;
94
95 struct amdtp_stream tx_stream;
96 struct amdtp_stream rx_stream;
97 struct cmp_connection out_conn;
98 struct cmp_connection in_conn;
99 unsigned int substreams_counter;
100
101 struct snd_bebob_stream_formation
102 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
103 struct snd_bebob_stream_formation
104 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
105
106 int sync_input_plug;
107
108 /* for uapi */
109 int dev_lock_count;
110 bool dev_lock_changed;
111 wait_queue_head_t hwdep_wait;
112
113 /* for M-Audio special devices */
114 void *maudio_special_quirk;
115
116 /* For BeBoB version quirk. */
117 unsigned int version;
118
119 struct amdtp_domain domain;
120 };
121
122 static inline int
snd_bebob_read_block(struct fw_unit * unit,u64 addr,void * buf,int size)123 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
124 {
125 return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
126 BEBOB_ADDR_REG_INFO + addr,
127 buf, size, 0);
128 }
129
130 static inline int
snd_bebob_read_quad(struct fw_unit * unit,u64 addr,u32 * buf)131 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
132 {
133 return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
134 BEBOB_ADDR_REG_INFO + addr,
135 (void *)buf, sizeof(u32), 0);
136 }
137
138 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
139 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
140 unsigned int fb_id, unsigned int num);
141 int avc_audio_get_selector(struct fw_unit *unit, unsigned int subunit_id,
142 unsigned int fb_id, unsigned int *num);
143
144 /*
145 * AVC command extensions, AV/C Unit and Subunit, Revision 17
146 * (Nov 2003, BridgeCo)
147 */
148 #define AVC_BRIDGECO_ADDR_BYTES 6
149 enum avc_bridgeco_plug_dir {
150 AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
151 AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
152 };
153 enum avc_bridgeco_plug_mode {
154 AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00,
155 AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01,
156 AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02
157 };
158 enum avc_bridgeco_plug_unit {
159 AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00,
160 AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01,
161 AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02
162 };
163 enum avc_bridgeco_plug_type {
164 AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00,
165 AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01,
166 AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02,
167 AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03,
168 AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04,
169 AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05,
170 AVC_BRIDGECO_PLUG_TYPE_ADDITION = 0x06
171 };
172 static inline void
avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],enum avc_bridgeco_plug_dir dir,enum avc_bridgeco_plug_unit unit,unsigned int pid)173 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
174 enum avc_bridgeco_plug_dir dir,
175 enum avc_bridgeco_plug_unit unit,
176 unsigned int pid)
177 {
178 buf[0] = 0xff; /* Unit */
179 buf[1] = dir;
180 buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
181 buf[3] = unit;
182 buf[4] = 0xff & pid;
183 buf[5] = 0xff; /* reserved */
184 }
185 static inline void
avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],enum avc_bridgeco_plug_dir dir,unsigned int pid)186 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
187 enum avc_bridgeco_plug_dir dir,
188 unsigned int pid)
189 {
190 buf[0] = 0x60; /* Music subunit */
191 buf[1] = dir;
192 buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
193 buf[3] = 0xff & pid;
194 buf[4] = 0xff; /* reserved */
195 buf[5] = 0xff; /* reserved */
196 }
197 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
198 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
199 u8 *buf, unsigned int len);
200 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
201 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
202 enum avc_bridgeco_plug_type *type);
203 int avc_bridgeco_get_plug_ch_count(struct fw_unit *unit, u8 addr[AVC_BRIDGECO_ADDR_BYTES],
204 unsigned int *ch_count);
205 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
206 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
207 unsigned int id, u8 *type);
208 int avc_bridgeco_get_plug_input(struct fw_unit *unit,
209 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
210 u8 input[7]);
211 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
212 u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
213 unsigned int *len, unsigned int eid);
214
215 /* for AMDTP streaming */
216 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
217 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
218 int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob,
219 enum snd_bebob_clock_type *src);
220 int snd_bebob_stream_discover(struct snd_bebob *bebob);
221 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
222 int snd_bebob_stream_reserve_duplex(struct snd_bebob *bebob, unsigned int rate,
223 unsigned int frames_per_period,
224 unsigned int frames_per_buffer);
225 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob);
226 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
227 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
228
229 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
230 int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
231 void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
232
233 void snd_bebob_proc_init(struct snd_bebob *bebob);
234
235 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
236
237 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
238
239 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
240
241 /* model specific operations */
242 extern const struct snd_bebob_spec phase88_rack_spec;
243 extern const struct snd_bebob_spec yamaha_terratec_spec;
244 extern const struct snd_bebob_spec saffirepro_26_spec;
245 extern const struct snd_bebob_spec saffirepro_10_spec;
246 extern const struct snd_bebob_spec saffire_le_spec;
247 extern const struct snd_bebob_spec saffire_spec;
248 extern const struct snd_bebob_spec maudio_fw410_spec;
249 extern const struct snd_bebob_spec maudio_audiophile_spec;
250 extern const struct snd_bebob_spec maudio_solo_spec;
251 extern const struct snd_bebob_spec maudio_ozonic_spec;
252 extern const struct snd_bebob_spec maudio_nrv10_spec;
253 extern const struct snd_bebob_spec maudio_special_spec;
254 int snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814);
255 int snd_bebob_maudio_load_firmware(struct fw_unit *unit);
256
257 #define SND_BEBOB_DEV_ENTRY(vendor, model, data) \
258 { \
259 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
260 IEEE1394_MATCH_MODEL_ID, \
261 .vendor_id = vendor, \
262 .model_id = model, \
263 .driver_data = (kernel_ulong_t)data \
264 }
265
266 #endif
267