1 /* 2 * digi00x.h - a part of driver for Digidesign Digi 002/003 family 3 * 4 * Copyright (c) 2014-2015 Takashi Sakamoto 5 * 6 * Licensed under the terms of the GNU General Public License, version 2. 7 */ 8 9 #ifndef SOUND_DIGI00X_H_INCLUDED 10 #define SOUND_DIGI00X_H_INCLUDED 11 12 #include <linux/compat.h> 13 #include <linux/device.h> 14 #include <linux/firewire.h> 15 #include <linux/module.h> 16 #include <linux/mod_devicetable.h> 17 #include <linux/delay.h> 18 #include <linux/slab.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 "../iso-resources.h" 32 #include "../amdtp-stream.h" 33 34 struct snd_dg00x { 35 struct snd_card *card; 36 struct fw_unit *unit; 37 38 struct mutex mutex; 39 spinlock_t lock; 40 41 bool registered; 42 struct delayed_work dwork; 43 44 struct amdtp_stream tx_stream; 45 struct fw_iso_resources tx_resources; 46 47 struct amdtp_stream rx_stream; 48 struct fw_iso_resources rx_resources; 49 50 unsigned int substreams_counter; 51 52 /* for uapi */ 53 int dev_lock_count; 54 bool dev_lock_changed; 55 wait_queue_head_t hwdep_wait; 56 57 /* For asynchronous messages. */ 58 struct fw_address_handler async_handler; 59 u32 msg; 60 61 /* For asynchronous MIDI controls. */ 62 struct snd_rawmidi_substream *in_control; 63 struct snd_fw_async_midi_port out_control; 64 }; 65 66 #define DG00X_ADDR_BASE 0xffffe0000000ull 67 68 #define DG00X_OFFSET_STREAMING_STATE 0x0000 69 #define DG00X_OFFSET_STREAMING_SET 0x0004 70 #define DG00X_OFFSET_MIDI_CTL_ADDR 0x0008 71 /* For LSB of the address 0x000c */ 72 /* unknown 0x0010 */ 73 #define DG00X_OFFSET_MESSAGE_ADDR 0x0014 74 /* For LSB of the address 0x0018 */ 75 /* unknown 0x001c */ 76 /* unknown 0x0020 */ 77 /* not used 0x0024--0x00ff */ 78 #define DG00X_OFFSET_ISOC_CHANNELS 0x0100 79 /* unknown 0x0104 */ 80 /* unknown 0x0108 */ 81 /* unknown 0x010c */ 82 #define DG00X_OFFSET_LOCAL_RATE 0x0110 83 #define DG00X_OFFSET_EXTERNAL_RATE 0x0114 84 #define DG00X_OFFSET_CLOCK_SOURCE 0x0118 85 #define DG00X_OFFSET_OPT_IFACE_MODE 0x011c 86 /* unknown 0x0120 */ 87 /* Mixer control on/off 0x0124 */ 88 /* unknown 0x0128 */ 89 #define DG00X_OFFSET_DETECT_EXTERNAL 0x012c 90 /* unknown 0x0138 */ 91 #define DG00X_OFFSET_MMC 0x0400 92 93 enum snd_dg00x_rate { 94 SND_DG00X_RATE_44100 = 0, 95 SND_DG00X_RATE_48000, 96 SND_DG00X_RATE_88200, 97 SND_DG00X_RATE_96000, 98 SND_DG00X_RATE_COUNT, 99 }; 100 101 enum snd_dg00x_clock { 102 SND_DG00X_CLOCK_INTERNAL = 0, 103 SND_DG00X_CLOCK_SPDIF, 104 SND_DG00X_CLOCK_ADAT, 105 SND_DG00X_CLOCK_WORD, 106 SND_DG00X_CLOCK_COUNT, 107 }; 108 109 enum snd_dg00x_optical_mode { 110 SND_DG00X_OPT_IFACE_MODE_ADAT = 0, 111 SND_DG00X_OPT_IFACE_MODE_SPDIF, 112 SND_DG00X_OPT_IFACE_MODE_COUNT, 113 }; 114 115 #define DOT_MIDI_IN_PORTS 1 116 #define DOT_MIDI_OUT_PORTS 2 117 118 int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit, 119 enum amdtp_stream_direction dir); 120 int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate, 121 unsigned int pcm_channels); 122 void amdtp_dot_reset(struct amdtp_stream *s); 123 int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s, 124 struct snd_pcm_runtime *runtime); 125 void amdtp_dot_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format); 126 void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port, 127 struct snd_rawmidi_substream *midi); 128 129 int snd_dg00x_transaction_register(struct snd_dg00x *dg00x); 130 int snd_dg00x_transaction_reregister(struct snd_dg00x *dg00x); 131 void snd_dg00x_transaction_unregister(struct snd_dg00x *dg00x); 132 133 extern const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT]; 134 extern const unsigned int snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT]; 135 int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x, 136 unsigned int *rate); 137 int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x, 138 unsigned int *rate); 139 int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate); 140 int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x, 141 enum snd_dg00x_clock *clock); 142 int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, 143 bool *detect); 144 int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x); 145 int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate); 146 void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x); 147 void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x); 148 void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x); 149 150 void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x); 151 int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x); 152 void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x); 153 154 void snd_dg00x_proc_init(struct snd_dg00x *dg00x); 155 156 int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x); 157 158 int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x); 159 160 int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x); 161 #endif 162