ALSA: fireworks/firewire-lib: Add a quirk for fixed interval of reported dbc
[firefly-linux-kernel-4.4.55.git] / sound / firewire / fireworks / fireworks.h
1 /*
2  * fireworks.h - a part of driver for Fireworks based devices
3  *
4  * Copyright (c) 2009-2010 Clemens Ladisch
5  * Copyright (c) 2013-2014 Takashi Sakamoto
6  *
7  * Licensed under the terms of the GNU General Public License, version 2.
8  */
9 #ifndef SOUND_FIREWORKS_H_INCLUDED
10 #define SOUND_FIREWORKS_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/pcm.h>
24
25 #include "../packets-buffer.h"
26 #include "../iso-resources.h"
27 #include "../amdtp.h"
28 #include "../cmp.h"
29 #include "../lib.h"
30
31 #define SND_EFW_MAX_MIDI_OUT_PORTS      2
32 #define SND_EFW_MAX_MIDI_IN_PORTS       2
33
34 #define SND_EFW_MULTIPLIER_MODES        3
35 #define HWINFO_NAME_SIZE_BYTES          32
36 #define HWINFO_MAX_CAPS_GROUPS          8
37
38 /*
39  * This should be greater than maximum bytes for EFW response content.
40  * Currently response against command for isochronous channel mapping is
41  * confirmed to be the maximum one. But for flexibility, use maximum data
42  * payload for asynchronous primary packets at S100 (Cable base rate) in
43  * IEEE Std 1394-1995.
44  */
45 #define SND_EFW_RESPONSE_MAXIMUM_BYTES  0x200U
46
47 struct snd_efw_phys_grp {
48         u8 type;        /* see enum snd_efw_grp_type */
49         u8 count;
50 } __packed;
51
52 struct snd_efw {
53         struct snd_card *card;
54         struct fw_unit *unit;
55         int card_index;
56
57         struct mutex mutex;
58         spinlock_t lock;
59
60         /* for transaction */
61         u32 seqnum;
62         bool resp_addr_changable;
63
64         /* for quirks */
65         bool is_af9;
66         u32 firmware_version;
67
68         unsigned int midi_in_ports;
69         unsigned int midi_out_ports;
70
71         unsigned int supported_sampling_rate;
72         unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES];
73         unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES];
74
75         struct amdtp_stream *master;
76         struct amdtp_stream tx_stream;
77         struct amdtp_stream rx_stream;
78         struct cmp_connection out_conn;
79         struct cmp_connection in_conn;
80         atomic_t capture_substreams;
81         atomic_t playback_substreams;
82 };
83
84 struct snd_efw_transaction {
85         __be32 length;
86         __be32 version;
87         __be32 seqnum;
88         __be32 category;
89         __be32 command;
90         __be32 status;
91         __be32 params[0];
92 };
93 int snd_efw_transaction_run(struct fw_unit *unit,
94                             const void *cmd, unsigned int cmd_size,
95                             void *resp, unsigned int resp_size);
96 int snd_efw_transaction_register(void);
97 void snd_efw_transaction_unregister(void);
98 void snd_efw_transaction_bus_reset(struct fw_unit *unit);
99
100 struct snd_efw_hwinfo {
101         u32 flags;
102         u32 guid_hi;
103         u32 guid_lo;
104         u32 type;
105         u32 version;
106         char vendor_name[HWINFO_NAME_SIZE_BYTES];
107         char model_name[HWINFO_NAME_SIZE_BYTES];
108         u32 supported_clocks;
109         u32 amdtp_rx_pcm_channels;
110         u32 amdtp_tx_pcm_channels;
111         u32 phys_out;
112         u32 phys_in;
113         u32 phys_out_grp_count;
114         struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
115         u32 phys_in_grp_count;
116         struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
117         u32 midi_out_ports;
118         u32 midi_in_ports;
119         u32 max_sample_rate;
120         u32 min_sample_rate;
121         u32 dsp_version;
122         u32 arm_version;
123         u32 mixer_playback_channels;
124         u32 mixer_capture_channels;
125         u32 fpga_version;
126         u32 amdtp_rx_pcm_channels_2x;
127         u32 amdtp_tx_pcm_channels_2x;
128         u32 amdtp_rx_pcm_channels_4x;
129         u32 amdtp_tx_pcm_channels_4x;
130         u32 reserved[16];
131 } __packed;
132 enum snd_efw_grp_type {
133         SND_EFW_CH_TYPE_ANALOG                  = 0,
134         SND_EFW_CH_TYPE_SPDIF                   = 1,
135         SND_EFW_CH_TYPE_ADAT                    = 2,
136         SND_EFW_CH_TYPE_SPDIF_OR_ADAT           = 3,
137         SND_EFW_CH_TYPE_ANALOG_MIRRORING        = 4,
138         SND_EFW_CH_TYPE_HEADPHONES              = 5,
139         SND_EFW_CH_TYPE_I2S                     = 6,
140         SND_EFW_CH_TYPE_GUITAR                  = 7,
141         SND_EFW_CH_TYPE_PIEZO_GUITAR            = 8,
142         SND_EFW_CH_TYPE_GUITAR_STRING           = 9,
143         SND_EFW_CH_TYPE_VIRTUAL                 = 0x10000,
144         SND_EFW_CH_TYPE_DUMMY
145 };
146 struct snd_efw_phys_meters {
147         u32 status;     /* guitar state/midi signal/clock input detect */
148         u32 reserved0;
149         u32 reserved1;
150         u32 reserved2;
151         u32 reserved3;
152         u32 out_meters;
153         u32 in_meters;
154         u32 reserved4;
155         u32 reserved5;
156         u32 values[0];
157 } __packed;
158 enum snd_efw_clock_source {
159         SND_EFW_CLOCK_SOURCE_INTERNAL   = 0,
160         SND_EFW_CLOCK_SOURCE_SYTMATCH   = 1,
161         SND_EFW_CLOCK_SOURCE_WORDCLOCK  = 2,
162         SND_EFW_CLOCK_SOURCE_SPDIF      = 3,
163         SND_EFW_CLOCK_SOURCE_ADAT_1     = 4,
164         SND_EFW_CLOCK_SOURCE_ADAT_2     = 5,
165         SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6     /* internal variable clock */
166 };
167 enum snd_efw_transport_mode {
168         SND_EFW_TRANSPORT_MODE_WINDOWS  = 0,
169         SND_EFW_TRANSPORT_MODE_IEC61883 = 1,
170 };
171 int snd_efw_command_set_resp_addr(struct snd_efw *efw,
172                                   u16 addr_high, u32 addr_low);
173 int snd_efw_command_set_tx_mode(struct snd_efw *efw, unsigned int mode);
174 int snd_efw_command_get_hwinfo(struct snd_efw *efw,
175                                struct snd_efw_hwinfo *hwinfo);
176 int snd_efw_command_get_phys_meters(struct snd_efw *efw,
177                                     struct snd_efw_phys_meters *meters,
178                                     unsigned int len);
179 int snd_efw_command_get_clock_source(struct snd_efw *efw,
180                                      enum snd_efw_clock_source *source);
181 int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
182 int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
183
184 int snd_efw_stream_init_duplex(struct snd_efw *efw);
185 int snd_efw_stream_start_duplex(struct snd_efw *efw, int sampling_rate);
186 void snd_efw_stream_stop_duplex(struct snd_efw *efw);
187 void snd_efw_stream_update_duplex(struct snd_efw *efw);
188 void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
189
190 #define SND_EFW_DEV_ENTRY(vendor, model) \
191 { \
192         .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
193                           IEEE1394_MATCH_MODEL_ID, \
194         .vendor_id      = vendor,\
195         .model_id       = model \
196 }
197
198 #endif