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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/firewire/motu/motu.h
....@@ -1,9 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23  * motu.h - a part of driver for MOTU FireWire series
34  *
45  * Copyright (c) 2015-2017 Takashi Sakamoto <o-takashi@sakamocchi.jp>
5
- *
6
- * Licensed under the terms of the GNU General Public License, version 2.
76  */
87 
98 #ifndef SOUND_FIREWIRE_MOTU_H_INCLUDED
....@@ -37,8 +36,7 @@
3736 	unsigned char pcm_byte_offset;
3837 
3938 	unsigned char msg_chunks;
40
-	unsigned char fixed_part_pcm_chunks[3];
41
-	unsigned char differed_part_pcm_chunks[3];
39
+	unsigned char pcm_chunks[3];
4240 };
4341 
4442 struct snd_motu {
....@@ -60,8 +58,7 @@
6058 	struct amdtp_stream rx_stream;
6159 	struct fw_iso_resources tx_resources;
6260 	struct fw_iso_resources rx_resources;
63
-	unsigned int capture_substreams;
64
-	unsigned int playback_substreams;
61
+	unsigned int substreams_counter;
6562 
6663 	/* For notification. */
6764 	struct fw_address_handler async_handler;
....@@ -71,22 +68,15 @@
7168 	int dev_lock_count;
7269 	bool dev_lock_changed;
7370 	wait_queue_head_t hwdep_wait;
71
+
72
+	struct amdtp_domain domain;
7473 };
7574 
7675 enum snd_motu_spec_flags {
77
-	SND_MOTU_SPEC_SUPPORT_CLOCK_X2	= 0x0001,
78
-	SND_MOTU_SPEC_SUPPORT_CLOCK_X4	= 0x0002,
79
-	SND_MOTU_SPEC_TX_MICINST_CHUNK	= 0x0004,
80
-	SND_MOTU_SPEC_TX_RETURN_CHUNK	= 0x0008,
81
-	SND_MOTU_SPEC_TX_REVERB_CHUNK	= 0x0010,
82
-	SND_MOTU_SPEC_HAS_AESEBU_IFACE	= 0x0020,
83
-	SND_MOTU_SPEC_HAS_OPT_IFACE_A	= 0x0040,
84
-	SND_MOTU_SPEC_HAS_OPT_IFACE_B	= 0x0080,
85
-	SND_MOTU_SPEC_RX_MIDI_2ND_Q	= 0x0100,
86
-	SND_MOTU_SPEC_RX_MIDI_3RD_Q	= 0x0200,
87
-	SND_MOTU_SPEC_TX_MIDI_2ND_Q	= 0x0400,
88
-	SND_MOTU_SPEC_TX_MIDI_3RD_Q	= 0x0800,
89
-	SND_MOTU_SPEC_RX_SEPARETED_MAIN	= 0x1000,
76
+	SND_MOTU_SPEC_RX_MIDI_2ND_Q	= 0x0001,
77
+	SND_MOTU_SPEC_RX_MIDI_3RD_Q	= 0x0002,
78
+	SND_MOTU_SPEC_TX_MIDI_2ND_Q	= 0x0004,
79
+	SND_MOTU_SPEC_TX_MIDI_3RD_Q	= 0x0008,
9080 };
9181 
9282 #define SND_MOTU_CLOCK_RATE_COUNT	6
....@@ -104,36 +94,37 @@
10494 	SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX,
10595 	SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR,
10696 	SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC,
97
+	SND_MOTU_CLOCK_SOURCE_SPH,
10798 	SND_MOTU_CLOCK_SOURCE_UNKNOWN,
10899 };
109100 
110
-struct snd_motu_protocol {
111
-	int (*get_clock_rate)(struct snd_motu *motu, unsigned int *rate);
112
-	int (*set_clock_rate)(struct snd_motu *motu, unsigned int rate);
113
-	int (*get_clock_source)(struct snd_motu *motu,
114
-				enum snd_motu_clock_source *source);
115
-	int (*switch_fetching_mode)(struct snd_motu *motu, bool enable);
116
-	int (*cache_packet_formats)(struct snd_motu *motu);
101
+enum snd_motu_protocol_version {
102
+	SND_MOTU_PROTOCOL_V2,
103
+	SND_MOTU_PROTOCOL_V3,
117104 };
118105 
119106 struct snd_motu_spec {
120107 	const char *const name;
108
+	enum snd_motu_protocol_version protocol_version;
121109 	enum snd_motu_spec_flags flags;
122110 
123
-	unsigned char analog_in_ports;
124
-	unsigned char analog_out_ports;
125
-
126
-	const struct snd_motu_protocol *const protocol;
111
+	unsigned char tx_fixed_pcm_chunks[3];
112
+	unsigned char rx_fixed_pcm_chunks[3];
127113 };
128114 
129
-extern const struct snd_motu_protocol snd_motu_protocol_v2;
130
-extern const struct snd_motu_protocol snd_motu_protocol_v3;
131
-
115
+extern const struct snd_motu_spec snd_motu_spec_828mk2;
132116 extern const struct snd_motu_spec snd_motu_spec_traveler;
117
+extern const struct snd_motu_spec snd_motu_spec_ultralite;
118
+extern const struct snd_motu_spec snd_motu_spec_8pre;
119
+
120
+extern const struct snd_motu_spec snd_motu_spec_828mk3;
121
+extern const struct snd_motu_spec snd_motu_spec_ultralite_mk3;
122
+extern const struct snd_motu_spec snd_motu_spec_audio_express;
123
+extern const struct snd_motu_spec snd_motu_spec_4pre;
133124 
134125 int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
135126 		    enum amdtp_stream_direction dir,
136
-		    const struct snd_motu_protocol *const protocol);
127
+		    const struct snd_motu_spec *spec);
137128 int amdtp_motu_set_parameters(struct amdtp_stream *s, unsigned int rate,
138129 			      unsigned int midi_ports,
139130 			      struct snd_motu_packet_format *formats);
....@@ -153,7 +144,10 @@
153144 int snd_motu_stream_init_duplex(struct snd_motu *motu);
154145 void snd_motu_stream_destroy_duplex(struct snd_motu *motu);
155146 int snd_motu_stream_cache_packet_formats(struct snd_motu *motu);
156
-int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate);
147
+int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate,
148
+				   unsigned int frames_per_period,
149
+				   unsigned int frames_per_buffer);
150
+int snd_motu_stream_start_duplex(struct snd_motu *motu);
157151 void snd_motu_stream_stop_duplex(struct snd_motu *motu);
158152 int snd_motu_stream_lock_try(struct snd_motu *motu);
159153 void snd_motu_stream_lock_release(struct snd_motu *motu);
....@@ -165,4 +159,79 @@
165159 int snd_motu_create_midi_devices(struct snd_motu *motu);
166160 
167161 int snd_motu_create_hwdep_device(struct snd_motu *motu);
162
+
163
+int snd_motu_protocol_v2_get_clock_rate(struct snd_motu *motu,
164
+					unsigned int *rate);
165
+int snd_motu_protocol_v2_set_clock_rate(struct snd_motu *motu,
166
+					unsigned int rate);
167
+int snd_motu_protocol_v2_get_clock_source(struct snd_motu *motu,
168
+					  enum snd_motu_clock_source *src);
169
+int snd_motu_protocol_v2_switch_fetching_mode(struct snd_motu *motu,
170
+					      bool enable);
171
+int snd_motu_protocol_v2_cache_packet_formats(struct snd_motu *motu);
172
+
173
+int snd_motu_protocol_v3_get_clock_rate(struct snd_motu *motu,
174
+					unsigned int *rate);
175
+int snd_motu_protocol_v3_set_clock_rate(struct snd_motu *motu,
176
+					unsigned int rate);
177
+int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu,
178
+					  enum snd_motu_clock_source *src);
179
+int snd_motu_protocol_v3_switch_fetching_mode(struct snd_motu *motu,
180
+					      bool enable);
181
+int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu);
182
+
183
+static inline int snd_motu_protocol_get_clock_rate(struct snd_motu *motu,
184
+						   unsigned int *rate)
185
+{
186
+	if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2)
187
+		return snd_motu_protocol_v2_get_clock_rate(motu, rate);
188
+	else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3)
189
+		return snd_motu_protocol_v3_get_clock_rate(motu, rate);
190
+	else
191
+		return -ENXIO;
192
+}
193
+
194
+static inline int snd_motu_protocol_set_clock_rate(struct snd_motu *motu,
195
+						   unsigned int rate)
196
+{
197
+	if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2)
198
+		return snd_motu_protocol_v2_set_clock_rate(motu, rate);
199
+	else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3)
200
+		return snd_motu_protocol_v3_set_clock_rate(motu, rate);
201
+	else
202
+		return -ENXIO;
203
+}
204
+
205
+static inline int snd_motu_protocol_get_clock_source(struct snd_motu *motu,
206
+					enum snd_motu_clock_source *source)
207
+{
208
+	if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2)
209
+		return snd_motu_protocol_v2_get_clock_source(motu, source);
210
+	else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3)
211
+		return snd_motu_protocol_v3_get_clock_source(motu, source);
212
+	else
213
+		return -ENXIO;
214
+}
215
+
216
+static inline int snd_motu_protocol_switch_fetching_mode(struct snd_motu *motu,
217
+							 bool enable)
218
+{
219
+	if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2)
220
+		return snd_motu_protocol_v2_switch_fetching_mode(motu, enable);
221
+	else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3)
222
+		return snd_motu_protocol_v3_switch_fetching_mode(motu, enable);
223
+	else
224
+		return -ENXIO;
225
+}
226
+
227
+static inline int snd_motu_protocol_cache_packet_formats(struct snd_motu *motu)
228
+{
229
+	if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V2)
230
+		return snd_motu_protocol_v2_cache_packet_formats(motu);
231
+	else if (motu->spec->protocol_version == SND_MOTU_PROTOCOL_V3)
232
+		return snd_motu_protocol_v3_cache_packet_formats(motu);
233
+	else
234
+		return -ENXIO;
235
+}
236
+
168237 #endif