2 * bebob.h - a part of driver for BeBoB based devices
4 * Copyright (c) 2013-2014 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
9 #ifndef SOUND_BEBOB_H_INCLUDED
10 #define SOUND_BEBOB_H_INCLUDED
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>
21 #include <sound/core.h>
22 #include <sound/initval.h>
23 #include <sound/info.h>
24 #include <sound/rawmidi.h>
28 #include "../packets-buffer.h"
29 #include "../iso-resources.h"
33 /* basic register addresses on DM1000/DM1100/DM1500 */
34 #define BEBOB_ADDR_REG_INFO 0xffffc8020000
35 #define BEBOB_ADDR_REG_REQ 0xffffc8021000
39 #define SND_BEBOB_STRM_FMT_ENTRIES 7
40 struct snd_bebob_stream_formation {
44 /* this is a lookup table for index of stream formations */
45 extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
48 struct snd_card *card;
55 unsigned int midi_input_ports;
56 unsigned int midi_output_ports;
58 /* for bus reset quirk */
59 struct completion bus_reset;
62 struct amdtp_stream *master;
63 struct amdtp_stream tx_stream;
64 struct amdtp_stream rx_stream;
65 struct cmp_connection out_conn;
66 struct cmp_connection in_conn;
67 atomic_t capture_substreams;
68 atomic_t playback_substreams;
70 struct snd_bebob_stream_formation
71 tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
72 struct snd_bebob_stream_formation
73 rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
79 snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size)
81 return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
82 BEBOB_ADDR_REG_INFO + addr,
87 snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
89 return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST,
90 BEBOB_ADDR_REG_INFO + addr,
91 (void *)buf, sizeof(u32), 0);
95 * AVC command extensions, AV/C Unit and Subunit, Revision 17
96 * (Nov 2003, BridgeCo)
98 #define AVC_BRIDGECO_ADDR_BYTES 6
99 enum avc_bridgeco_plug_dir {
100 AVC_BRIDGECO_PLUG_DIR_IN = 0x00,
101 AVC_BRIDGECO_PLUG_DIR_OUT = 0x01
103 enum avc_bridgeco_plug_mode {
104 AVC_BRIDGECO_PLUG_MODE_UNIT = 0x00,
105 AVC_BRIDGECO_PLUG_MODE_SUBUNIT = 0x01,
106 AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK = 0x02
108 enum avc_bridgeco_plug_unit {
109 AVC_BRIDGECO_PLUG_UNIT_ISOC = 0x00,
110 AVC_BRIDGECO_PLUG_UNIT_EXT = 0x01,
111 AVC_BRIDGECO_PLUG_UNIT_ASYNC = 0x02
113 enum avc_bridgeco_plug_type {
114 AVC_BRIDGECO_PLUG_TYPE_ISOC = 0x00,
115 AVC_BRIDGECO_PLUG_TYPE_ASYNC = 0x01,
116 AVC_BRIDGECO_PLUG_TYPE_MIDI = 0x02,
117 AVC_BRIDGECO_PLUG_TYPE_SYNC = 0x03,
118 AVC_BRIDGECO_PLUG_TYPE_ANA = 0x04,
119 AVC_BRIDGECO_PLUG_TYPE_DIG = 0x05
122 avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
123 enum avc_bridgeco_plug_dir dir,
124 enum avc_bridgeco_plug_unit unit,
127 buf[0] = 0xff; /* Unit */
129 buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
132 buf[5] = 0xff; /* reserved */
135 avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
136 enum avc_bridgeco_plug_dir dir,
139 buf[0] = 0x60; /* Music subunit */
141 buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
143 buf[4] = 0xff; /* reserved */
144 buf[5] = 0xff; /* reserved */
146 int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
147 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
148 u8 *buf, unsigned int len);
149 int avc_bridgeco_get_plug_type(struct fw_unit *unit,
150 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
151 enum avc_bridgeco_plug_type *type);
152 int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
153 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
154 unsigned int id, u8 *type);
155 int avc_bridgeco_get_plug_input(struct fw_unit *unit,
156 u8 addr[AVC_BRIDGECO_ADDR_BYTES],
158 int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
159 u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
160 unsigned int *len, unsigned int eid);
162 /* for AMDTP streaming */
163 int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
164 int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
165 int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
167 int snd_bebob_stream_discover(struct snd_bebob *bebob);
168 int snd_bebob_stream_map(struct snd_bebob *bebob,
169 struct amdtp_stream *stream);
170 int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
171 int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
172 void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
173 void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
174 void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
176 void snd_bebob_proc_init(struct snd_bebob *bebob);
178 int snd_bebob_create_midi_devices(struct snd_bebob *bebob);
180 #define SND_BEBOB_DEV_ENTRY(vendor, model) \
182 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
183 IEEE1394_MATCH_MODEL_ID, \
184 .vendor_id = vendor, \