~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/firewire/tascam/tascam.h

Version: ~ [ linux-5.9-rc6 ] ~ [ linux-5.8.10 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.66 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.146 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.198 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.236 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.236 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  * tascam.h - a part of driver for TASCAM FireWire series
  4  *
  5  * Copyright (c) 2015 Takashi Sakamoto
  6  */
  7 
  8 #ifndef SOUND_TASCAM_H_INCLUDED
  9 #define SOUND_TASCAM_H_INCLUDED
 10 
 11 #include <linux/device.h>
 12 #include <linux/firewire.h>
 13 #include <linux/firewire-constants.h>
 14 #include <linux/module.h>
 15 #include <linux/mod_devicetable.h>
 16 #include <linux/mutex.h>
 17 #include <linux/slab.h>
 18 #include <linux/compat.h>
 19 #include <linux/sched/signal.h>
 20 
 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>
 28 #include <sound/rawmidi.h>
 29 
 30 #include "../lib.h"
 31 #include "../amdtp-stream.h"
 32 #include "../iso-resources.h"
 33 
 34 struct snd_tscm_spec {
 35         const char *const name;
 36         bool has_adat;
 37         bool has_spdif;
 38         unsigned int pcm_capture_analog_channels;
 39         unsigned int pcm_playback_analog_channels;
 40         unsigned int midi_capture_ports;
 41         unsigned int midi_playback_ports;
 42 };
 43 
 44 #define TSCM_MIDI_IN_PORT_MAX   4
 45 #define TSCM_MIDI_OUT_PORT_MAX  4
 46 
 47 struct snd_fw_async_midi_port {
 48         struct fw_device *parent;
 49         struct work_struct work;
 50         bool idling;
 51         ktime_t next_ktime;
 52         bool error;
 53 
 54         struct fw_transaction transaction;
 55 
 56         u8 buf[4];
 57         u8 running_status;
 58         bool on_sysex;
 59 
 60         struct snd_rawmidi_substream *substream;
 61         int consume_bytes;
 62 };
 63 
 64 #define SND_TSCM_QUEUE_COUNT    16
 65 
 66 struct snd_tscm {
 67         struct snd_card *card;
 68         struct fw_unit *unit;
 69 
 70         struct mutex mutex;
 71         spinlock_t lock;
 72 
 73         bool registered;
 74         struct delayed_work dwork;
 75         const struct snd_tscm_spec *spec;
 76 
 77         struct fw_iso_resources tx_resources;
 78         struct fw_iso_resources rx_resources;
 79         struct amdtp_stream tx_stream;
 80         struct amdtp_stream rx_stream;
 81         unsigned int substreams_counter;
 82 
 83         int dev_lock_count;
 84         bool dev_lock_changed;
 85         wait_queue_head_t hwdep_wait;
 86 
 87         /* For MIDI message incoming transactions. */
 88         struct fw_address_handler async_handler;
 89         struct snd_rawmidi_substream *tx_midi_substreams[TSCM_MIDI_IN_PORT_MAX];
 90 
 91         /* For MIDI message outgoing transactions. */
 92         struct snd_fw_async_midi_port out_ports[TSCM_MIDI_OUT_PORT_MAX];
 93 
 94         // A cache of status information in tx isoc packets.
 95         __be32 state[SNDRV_FIREWIRE_TASCAM_STATE_COUNT];
 96         struct snd_hwdep *hwdep;
 97         struct snd_firewire_tascam_change queue[SND_TSCM_QUEUE_COUNT];
 98         unsigned int pull_pos;
 99         unsigned int push_pos;
100 };
101 
102 #define TSCM_ADDR_BASE                  0xffff00000000ull
103 
104 #define TSCM_OFFSET_FIRMWARE_REGISTER   0x0000
105 #define TSCM_OFFSET_FIRMWARE_FPGA       0x0004
106 #define TSCM_OFFSET_FIRMWARE_ARM        0x0008
107 #define TSCM_OFFSET_FIRMWARE_HW         0x000c
108 
109 #define TSCM_OFFSET_ISOC_TX_CH          0x0200
110 #define TSCM_OFFSET_UNKNOWN             0x0204
111 #define TSCM_OFFSET_START_STREAMING     0x0208
112 #define TSCM_OFFSET_ISOC_RX_CH          0x020c
113 #define TSCM_OFFSET_ISOC_RX_ON          0x0210  /* Little conviction. */
114 #define TSCM_OFFSET_TX_PCM_CHANNELS     0x0214
115 #define TSCM_OFFSET_RX_PCM_CHANNELS     0x0218
116 #define TSCM_OFFSET_MULTIPLEX_MODE      0x021c
117 #define TSCM_OFFSET_ISOC_TX_ON          0x0220
118 /* Unknown                              0x0224 */
119 #define TSCM_OFFSET_CLOCK_STATUS        0x0228
120 #define TSCM_OFFSET_SET_OPTION          0x022c
121 
122 #define TSCM_OFFSET_MIDI_TX_ON          0x0300
123 #define TSCM_OFFSET_MIDI_TX_ADDR_HI     0x0304
124 #define TSCM_OFFSET_MIDI_TX_ADDR_LO     0x0308
125 
126 #define TSCM_OFFSET_LED_POWER           0x0404
127 
128 #define TSCM_OFFSET_MIDI_RX_QUAD        0x4000
129 
130 enum snd_tscm_clock {
131         SND_TSCM_CLOCK_INTERNAL = 0,
132         SND_TSCM_CLOCK_WORD     = 1,
133         SND_TSCM_CLOCK_SPDIF    = 2,
134         SND_TSCM_CLOCK_ADAT     = 3,
135 };
136 
137 int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,
138                   enum amdtp_stream_direction dir, unsigned int pcm_channels);
139 int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate);
140 int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s,
141                                       struct snd_pcm_runtime *runtime);
142 
143 int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate);
144 int snd_tscm_stream_get_clock(struct snd_tscm *tscm,
145                               enum snd_tscm_clock *clock);
146 int snd_tscm_stream_init_duplex(struct snd_tscm *tscm);
147 void snd_tscm_stream_update_duplex(struct snd_tscm *tscm);
148 void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm);
149 int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate);
150 int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate);
151 void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm);
152 
153 void snd_tscm_stream_lock_changed(struct snd_tscm *tscm);
154 int snd_tscm_stream_lock_try(struct snd_tscm *tscm);
155 void snd_tscm_stream_lock_release(struct snd_tscm *tscm);
156 
157 void snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port);
158 
159 static inline void
160 snd_fw_async_midi_port_run(struct snd_fw_async_midi_port *port,
161                            struct snd_rawmidi_substream *substream)
162 {
163         if (!port->error) {
164                 port->substream = substream;
165                 schedule_work(&port->work);
166         }
167 }
168 
169 static inline void
170 snd_fw_async_midi_port_finish(struct snd_fw_async_midi_port *port)
171 {
172         port->substream = NULL;
173         cancel_work_sync(&port->work);
174         port->error = false;
175 }
176 
177 int snd_tscm_transaction_register(struct snd_tscm *tscm);
178 int snd_tscm_transaction_reregister(struct snd_tscm *tscm);
179 void snd_tscm_transaction_unregister(struct snd_tscm *tscm);
180 
181 void snd_tscm_proc_init(struct snd_tscm *tscm);
182 
183 int snd_tscm_create_pcm_devices(struct snd_tscm *tscm);
184 
185 int snd_tscm_create_midi_devices(struct snd_tscm *tscm);
186 
187 int snd_tscm_create_hwdep_device(struct snd_tscm *tscm);
188 
189 #endif
190 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp