2 * tascam.h - a part of driver for TASCAM FireWire series
4 * Copyright (c) 2015 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
9 #ifndef SOUND_TASCAM_H_INCLUDED
10 #define SOUND_TASCAM_H_INCLUDED
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/mutex.h>
18 #include <linux/slab.h>
19 #include <linux/compat.h>
21 #include <sound/core.h>
22 #include <sound/initval.h>
23 #include <sound/info.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/firewire.h>
27 #include <sound/hwdep.h>
30 #include "../amdtp-stream.h"
31 #include "../iso-resources.h"
33 struct snd_tscm_spec {
34 const char *const name;
37 unsigned int pcm_capture_analog_channels;
38 unsigned int pcm_playback_analog_channels;
39 unsigned int midi_capture_ports;
40 unsigned int midi_playback_ports;
45 struct snd_card *card;
51 const struct snd_tscm_spec *spec;
53 struct fw_iso_resources tx_resources;
54 struct fw_iso_resources rx_resources;
55 struct amdtp_stream tx_stream;
56 struct amdtp_stream rx_stream;
57 unsigned int substreams_counter;
60 bool dev_lock_changed;
61 wait_queue_head_t hwdep_wait;
64 #define TSCM_ADDR_BASE 0xffff00000000ull
66 #define TSCM_OFFSET_FIRMWARE_REGISTER 0x0000
67 #define TSCM_OFFSET_FIRMWARE_FPGA 0x0004
68 #define TSCM_OFFSET_FIRMWARE_ARM 0x0008
69 #define TSCM_OFFSET_FIRMWARE_HW 0x000c
71 #define TSCM_OFFSET_ISOC_TX_CH 0x0200
72 #define TSCM_OFFSET_UNKNOWN 0x0204
73 #define TSCM_OFFSET_START_STREAMING 0x0208
74 #define TSCM_OFFSET_ISOC_RX_CH 0x020c
75 #define TSCM_OFFSET_ISOC_RX_ON 0x0210 /* Little conviction. */
76 #define TSCM_OFFSET_TX_PCM_CHANNELS 0x0214
77 #define TSCM_OFFSET_RX_PCM_CHANNELS 0x0218
78 #define TSCM_OFFSET_MULTIPLEX_MODE 0x021c
79 #define TSCM_OFFSET_ISOC_TX_ON 0x0220
81 #define TSCM_OFFSET_CLOCK_STATUS 0x0228
82 #define TSCM_OFFSET_SET_OPTION 0x022c
85 SND_TSCM_CLOCK_INTERNAL = 0,
86 SND_TSCM_CLOCK_WORD = 1,
87 SND_TSCM_CLOCK_SPDIF = 2,
88 SND_TSCM_CLOCK_ADAT = 3,
91 int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,
92 enum amdtp_stream_direction dir, unsigned int pcm_channels);
93 int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate);
94 int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s,
95 struct snd_pcm_runtime *runtime);
96 void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format);
98 int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate);
99 int snd_tscm_stream_get_clock(struct snd_tscm *tscm,
100 enum snd_tscm_clock *clock);
101 int snd_tscm_stream_init_duplex(struct snd_tscm *tscm);
102 void snd_tscm_stream_update_duplex(struct snd_tscm *tscm);
103 void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm);
104 int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate);
105 void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm);
107 void snd_tscm_stream_lock_changed(struct snd_tscm *tscm);
108 int snd_tscm_stream_lock_try(struct snd_tscm *tscm);
109 void snd_tscm_stream_lock_release(struct snd_tscm *tscm);
111 void snd_tscm_proc_init(struct snd_tscm *tscm);
113 int snd_tscm_create_pcm_devices(struct snd_tscm *tscm);
115 int snd_tscm_create_hwdep_device(struct snd_tscm *tscm);