| /* |
| * tascam.h - a part of driver for TASCAM FireWire series |
| * |
| * Copyright (c) 2015 Takashi Sakamoto |
| * |
| * Licensed under the terms of the GNU General Public License, version 2. |
| */ |
| |
| #ifndef SOUND_TASCAM_H_INCLUDED |
| #define SOUND_TASCAM_H_INCLUDED |
| |
| #include <linux/device.h> |
| #include <linux/firewire.h> |
| #include <linux/firewire-constants.h> |
| #include <linux/module.h> |
| #include <linux/mod_devicetable.h> |
| #include <linux/mutex.h> |
| #include <linux/slab.h> |
| #include <linux/compat.h> |
| |
| #include <sound/core.h> |
| #include <sound/initval.h> |
| #include <sound/info.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/firewire.h> |
| #include <sound/hwdep.h> |
| |
| #include "../lib.h" |
| #include "../amdtp-stream.h" |
| #include "../iso-resources.h" |
| |
| struct snd_tscm_spec { |
| const char *const name; |
| bool has_adat; |
| bool has_spdif; |
| unsigned int pcm_capture_analog_channels; |
| unsigned int pcm_playback_analog_channels; |
| unsigned int midi_capture_ports; |
| unsigned int midi_playback_ports; |
| bool is_controller; |
| }; |
| |
| struct snd_tscm { |
| struct snd_card *card; |
| struct fw_unit *unit; |
| |
| struct mutex mutex; |
| spinlock_t lock; |
| |
| const struct snd_tscm_spec *spec; |
| |
| struct fw_iso_resources tx_resources; |
| struct fw_iso_resources rx_resources; |
| struct amdtp_stream tx_stream; |
| struct amdtp_stream rx_stream; |
| unsigned int substreams_counter; |
| |
| int dev_lock_count; |
| bool dev_lock_changed; |
| wait_queue_head_t hwdep_wait; |
| }; |
| |
| #define TSCM_ADDR_BASE 0xffff00000000ull |
| |
| #define TSCM_OFFSET_FIRMWARE_REGISTER 0x0000 |
| #define TSCM_OFFSET_FIRMWARE_FPGA 0x0004 |
| #define TSCM_OFFSET_FIRMWARE_ARM 0x0008 |
| #define TSCM_OFFSET_FIRMWARE_HW 0x000c |
| |
| #define TSCM_OFFSET_ISOC_TX_CH 0x0200 |
| #define TSCM_OFFSET_UNKNOWN 0x0204 |
| #define TSCM_OFFSET_START_STREAMING 0x0208 |
| #define TSCM_OFFSET_ISOC_RX_CH 0x020c |
| #define TSCM_OFFSET_ISOC_RX_ON 0x0210 /* Little conviction. */ |
| #define TSCM_OFFSET_TX_PCM_CHANNELS 0x0214 |
| #define TSCM_OFFSET_RX_PCM_CHANNELS 0x0218 |
| #define TSCM_OFFSET_MULTIPLEX_MODE 0x021c |
| #define TSCM_OFFSET_ISOC_TX_ON 0x0220 |
| /* Unknown 0x0224 */ |
| #define TSCM_OFFSET_CLOCK_STATUS 0x0228 |
| #define TSCM_OFFSET_SET_OPTION 0x022c |
| |
| enum snd_tscm_clock { |
| SND_TSCM_CLOCK_INTERNAL = 0, |
| SND_TSCM_CLOCK_WORD = 1, |
| SND_TSCM_CLOCK_SPDIF = 2, |
| SND_TSCM_CLOCK_ADAT = 3, |
| }; |
| |
| int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit, |
| enum amdtp_stream_direction dir, unsigned int pcm_channels); |
| int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate); |
| int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s, |
| struct snd_pcm_runtime *runtime); |
| void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format); |
| |
| int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate); |
| int snd_tscm_stream_get_clock(struct snd_tscm *tscm, |
| enum snd_tscm_clock *clock); |
| int snd_tscm_stream_init_duplex(struct snd_tscm *tscm); |
| void snd_tscm_stream_update_duplex(struct snd_tscm *tscm); |
| void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm); |
| int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate); |
| void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm); |
| |
| void snd_tscm_stream_lock_changed(struct snd_tscm *tscm); |
| int snd_tscm_stream_lock_try(struct snd_tscm *tscm); |
| void snd_tscm_stream_lock_release(struct snd_tscm *tscm); |
| |
| void snd_tscm_proc_init(struct snd_tscm *tscm); |
| |
| int snd_tscm_create_pcm_devices(struct snd_tscm *tscm); |
| |
| int snd_tscm_create_hwdep_device(struct snd_tscm *tscm); |
| |
| #endif |