xref: /openbmc/linux/sound/firewire/bebob/bebob.h (revision 3e254b16)
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.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 #define SND_BEBOB_CLOCK_INTERNAL	"Internal"
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 	struct snd_bebob_clock_spec *clock;
75 	struct snd_bebob_rate_spec *rate;
76 	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 	const struct snd_bebob_spec *spec;
88 
89 	unsigned int midi_input_ports;
90 	unsigned int midi_output_ports;
91 
92 	/* for bus reset quirk */
93 	struct completion bus_reset;
94 	bool connected;
95 
96 	struct amdtp_stream *master;
97 	struct amdtp_stream tx_stream;
98 	struct amdtp_stream rx_stream;
99 	struct cmp_connection out_conn;
100 	struct cmp_connection in_conn;
101 	atomic_t capture_substreams;
102 	atomic_t playback_substreams;
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 	bool deferred_registration;
119 };
120 
121 static inline int
122 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
123 {
124 	return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
125 				  BEBOB_ADDR_REG_INFO + addr,
126 				  buf, size, 0);
127 }
128 
129 static inline int
130 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
131 {
132 	return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
133 				  BEBOB_ADDR_REG_INFO + addr,
134 				  (void *)buf, sizeof(u32), 0);
135 }
136 
137 /* AV/C Audio Subunit Specification 1.0 (Oct 2000, 1394TA) */
138 int avc_audio_set_selector(struct fw_unit *unit, unsigned int subunit_id,
139 			   unsigned int fb_id, unsigned int num);
140 int avc_audio_get_selector(struct fw_unit *unit, unsigned  int subunit_id,
141 			   unsigned int fb_id, unsigned int *num);
142 
143 /*
144  * AVC command extensions, AV/C Unit and Subunit, Revision 17
145  * (Nov 2003, BridgeCo)
146  */
147 #define	AVC_BRIDGECO_ADDR_BYTES	6
148 enum avc_bridgeco_plug_dir {
149 	AVC_BRIDGECO_PLUG_DIR_IN	= 0x00,
150 	AVC_BRIDGECO_PLUG_DIR_OUT	= 0x01
151 };
152 enum avc_bridgeco_plug_mode {
153 	AVC_BRIDGECO_PLUG_MODE_UNIT		= 0x00,
154 	AVC_BRIDGECO_PLUG_MODE_SUBUNIT		= 0x01,
155 	AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK	= 0x02
156 };
157 enum avc_bridgeco_plug_unit {
158 	AVC_BRIDGECO_PLUG_UNIT_ISOC	= 0x00,
159 	AVC_BRIDGECO_PLUG_UNIT_EXT	= 0x01,
160 	AVC_BRIDGECO_PLUG_UNIT_ASYNC	= 0x02
161 };
162 enum avc_bridgeco_plug_type {
163 	AVC_BRIDGECO_PLUG_TYPE_ISOC	= 0x00,
164 	AVC_BRIDGECO_PLUG_TYPE_ASYNC	= 0x01,
165 	AVC_BRIDGECO_PLUG_TYPE_MIDI	= 0x02,
166 	AVC_BRIDGECO_PLUG_TYPE_SYNC	= 0x03,
167 	AVC_BRIDGECO_PLUG_TYPE_ANA	= 0x04,
168 	AVC_BRIDGECO_PLUG_TYPE_DIG	= 0x05,
169 	AVC_BRIDGECO_PLUG_TYPE_ADDITION	= 0x06
170 };
171 static inline void
172 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
173 			    enum avc_bridgeco_plug_dir dir,
174 			    enum avc_bridgeco_plug_unit unit,
175 			    unsigned int pid)
176 {
177 	buf[0] = 0xff;	/* Unit */
178 	buf[1] = dir;
179 	buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
180 	buf[3] = unit;
181 	buf[4] = 0xff & pid;
182 	buf[5] = 0xff;	/* reserved */
183 }
184 static inline void
185 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
186 			   enum avc_bridgeco_plug_dir dir,
187 			   unsigned int pid)
188 {
189 	buf[0] = 0x60;	/* Music subunit */
190 	buf[1] = dir;
191 	buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
192 	buf[3] = 0xff & pid;
193 	buf[4] = 0xff;	/* reserved */
194 	buf[5] = 0xff;	/* reserved */
195 }
196 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
197 				 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
198 				 u8 *buf, unsigned int len);
199 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
200 			       u8 addr[AVC_BRIDGECO_ADDR_BYTES],
201 			       enum avc_bridgeco_plug_type *type);
202 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
203 				       u8 addr[AVC_BRIDGECO_ADDR_BYTES],
204 				       unsigned int id, u8 *type);
205 int avc_bridgeco_get_plug_input(struct fw_unit *unit,
206 				u8 addr[AVC_BRIDGECO_ADDR_BYTES],
207 				u8 input[7]);
208 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
209 				   u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
210 				   unsigned int *len, unsigned int eid);
211 
212 /* for AMDTP streaming */
213 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
214 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
215 int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob,
216 				   enum snd_bebob_clock_type *src);
217 int snd_bebob_stream_discover(struct snd_bebob *bebob);
218 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
219 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, unsigned int rate);
220 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
221 void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
222 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
223 
224 void snd_bebob_stream_lock_changed(struct snd_bebob *bebob);
225 int snd_bebob_stream_lock_try(struct snd_bebob *bebob);
226 void snd_bebob_stream_lock_release(struct snd_bebob *bebob);
227 
228 void snd_bebob_proc_init(struct snd_bebob *bebob);
229 
230 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
231 
232 int snd_bebob_create_pcm_devices(struct snd_bebob *bebob);
233 
234 int snd_bebob_create_hwdep_device(struct snd_bebob *bebob);
235 
236 /* model specific operations */
237 extern struct snd_bebob_spec phase88_rack_spec;
238 extern struct snd_bebob_spec phase24_series_spec;
239 extern struct snd_bebob_spec yamaha_go_spec;
240 extern struct snd_bebob_spec saffirepro_26_spec;
241 extern struct snd_bebob_spec saffirepro_10_spec;
242 extern struct snd_bebob_spec saffire_le_spec;
243 extern struct snd_bebob_spec saffire_spec;
244 extern struct snd_bebob_spec maudio_fw410_spec;
245 extern struct snd_bebob_spec maudio_audiophile_spec;
246 extern struct snd_bebob_spec maudio_solo_spec;
247 extern struct snd_bebob_spec maudio_ozonic_spec;
248 extern struct snd_bebob_spec maudio_nrv10_spec;
249 extern 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