1da607e19SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2e2786ca6STakashi Sakamoto /* 3e2786ca6STakashi Sakamoto * oxfw.h - a part of driver for OXFW970/971 based devices 4e2786ca6STakashi Sakamoto * 5e2786ca6STakashi Sakamoto * Copyright (c) Clemens Ladisch <clemens@ladisch.de> 6e2786ca6STakashi Sakamoto */ 7e2786ca6STakashi Sakamoto 8e2786ca6STakashi Sakamoto #include <linux/device.h> 9e2786ca6STakashi Sakamoto #include <linux/firewire.h> 10e2786ca6STakashi Sakamoto #include <linux/firewire-constants.h> 11e2786ca6STakashi Sakamoto #include <linux/module.h> 12e2786ca6STakashi Sakamoto #include <linux/mod_devicetable.h> 13e2786ca6STakashi Sakamoto #include <linux/mutex.h> 14e2786ca6STakashi Sakamoto #include <linux/slab.h> 158985f4acSTakashi Sakamoto #include <linux/compat.h> 16174cd4b1SIngo Molnar #include <linux/sched/signal.h> 17e2786ca6STakashi Sakamoto 18e2786ca6STakashi Sakamoto #include <sound/control.h> 19e2786ca6STakashi Sakamoto #include <sound/core.h> 20e2786ca6STakashi Sakamoto #include <sound/initval.h> 21e2786ca6STakashi Sakamoto #include <sound/pcm.h> 22e2786ca6STakashi Sakamoto #include <sound/pcm_params.h> 233c96101fSTakashi Sakamoto #include <sound/info.h> 2405588d34STakashi Sakamoto #include <sound/rawmidi.h> 258985f4acSTakashi Sakamoto #include <sound/firewire.h> 268985f4acSTakashi Sakamoto #include <sound/hwdep.h> 27e2786ca6STakashi Sakamoto 28e2786ca6STakashi Sakamoto #include "../lib.h" 29e2786ca6STakashi Sakamoto #include "../fcp.h" 30e2786ca6STakashi Sakamoto #include "../packets-buffer.h" 31e2786ca6STakashi Sakamoto #include "../iso-resources.h" 325955815eSTakashi Sakamoto #include "../amdtp-am824.h" 33e2786ca6STakashi Sakamoto #include "../cmp.h" 34e2786ca6STakashi Sakamoto 35*a092f000STakashi Sakamoto enum snd_oxfw_quirk { 36*a092f000STakashi Sakamoto // Postpone transferring packets during handling asynchronous transaction. As a result, 37*a092f000STakashi Sakamoto // next isochronous packet includes more events than one packet can include. 38*a092f000STakashi Sakamoto SND_OXFW_QUIRK_JUMBO_PAYLOAD = 0x01, 39*a092f000STakashi Sakamoto }; 40*a092f000STakashi Sakamoto 415cd1d3f4STakashi Sakamoto /* This is an arbitrary number for convinience. */ 425cd1d3f4STakashi Sakamoto #define SND_OXFW_STREAM_FORMAT_ENTRIES 10 43e2786ca6STakashi Sakamoto struct snd_oxfw { 44e2786ca6STakashi Sakamoto struct snd_card *card; 45e2786ca6STakashi Sakamoto struct fw_unit *unit; 46e2786ca6STakashi Sakamoto struct mutex mutex; 4705588d34STakashi Sakamoto spinlock_t lock; 485cd1d3f4STakashi Sakamoto 496c29230eSTakashi Sakamoto bool registered; 506c29230eSTakashi Sakamoto struct delayed_work dwork; 516c29230eSTakashi Sakamoto 52*a092f000STakashi Sakamoto // The combination of snd_oxfw_quirk enumeration-constants. 53*a092f000STakashi Sakamoto unsigned int quirks; 5413f3a46dSTakashi Sakamoto bool wrong_dbs; 55b0ac0009STakashi Sakamoto bool has_output; 5606a42a74STakashi Sakamoto bool has_input; 57b0ac0009STakashi Sakamoto u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES]; 585cd1d3f4STakashi Sakamoto u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES]; 595cd1d3f4STakashi Sakamoto bool assumed; 60b0ac0009STakashi Sakamoto struct cmp_connection out_conn; 61e2786ca6STakashi Sakamoto struct cmp_connection in_conn; 62b0ac0009STakashi Sakamoto struct amdtp_stream tx_stream; 63e2786ca6STakashi Sakamoto struct amdtp_stream rx_stream; 644a0a0472STakashi Sakamoto unsigned int substreams_count; 655cd1d3f4STakashi Sakamoto 6605588d34STakashi Sakamoto unsigned int midi_input_ports; 6705588d34STakashi Sakamoto unsigned int midi_output_ports; 6805588d34STakashi Sakamoto 698985f4acSTakashi Sakamoto int dev_lock_count; 708985f4acSTakashi Sakamoto bool dev_lock_changed; 718985f4acSTakashi Sakamoto wait_queue_head_t hwdep_wait; 7227e66635STakashi Sakamoto 7327e66635STakashi Sakamoto const struct ieee1394_device_id *entry; 74c582cc66STakashi Sakamoto void *spec; 75ac5d7786STakashi Sakamoto 76ac5d7786STakashi Sakamoto struct amdtp_domain domain; 77e2786ca6STakashi Sakamoto }; 78e2786ca6STakashi Sakamoto 795b59d809STakashi Sakamoto /* 805b59d809STakashi Sakamoto * AV/C Stream Format Information Specification 1.1 Working Draft 815b59d809STakashi Sakamoto * (Apr 2005, 1394TA) 825b59d809STakashi Sakamoto */ 835b59d809STakashi Sakamoto int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir, 845b59d809STakashi Sakamoto unsigned int pid, u8 *format, unsigned int len); 855b59d809STakashi Sakamoto int avc_stream_get_format(struct fw_unit *unit, 865b59d809STakashi Sakamoto enum avc_general_plug_dir dir, unsigned int pid, 875b59d809STakashi Sakamoto u8 *buf, unsigned int *len, unsigned int eid); 885b59d809STakashi Sakamoto static inline int 895b59d809STakashi Sakamoto avc_stream_get_format_single(struct fw_unit *unit, 905b59d809STakashi Sakamoto enum avc_general_plug_dir dir, unsigned int pid, 915b59d809STakashi Sakamoto u8 *buf, unsigned int *len) 925b59d809STakashi Sakamoto { 935b59d809STakashi Sakamoto return avc_stream_get_format(unit, dir, pid, buf, len, 0xff); 945b59d809STakashi Sakamoto } 955b59d809STakashi Sakamoto static inline int 965b59d809STakashi Sakamoto avc_stream_get_format_list(struct fw_unit *unit, 975b59d809STakashi Sakamoto enum avc_general_plug_dir dir, unsigned int pid, 985b59d809STakashi Sakamoto u8 *buf, unsigned int *len, 995b59d809STakashi Sakamoto unsigned int eid) 1005b59d809STakashi Sakamoto { 1015b59d809STakashi Sakamoto return avc_stream_get_format(unit, dir, pid, buf, len, eid); 1025b59d809STakashi Sakamoto } 1035b59d809STakashi Sakamoto 1045b59d809STakashi Sakamoto /* 1055b59d809STakashi Sakamoto * AV/C Digital Interface Command Set General Specification 4.2 1065b59d809STakashi Sakamoto * (Sep 2004, 1394TA) 1075b59d809STakashi Sakamoto */ 1085b59d809STakashi Sakamoto int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate, 1095b59d809STakashi Sakamoto enum avc_general_plug_dir dir, 1105b59d809STakashi Sakamoto unsigned short pid); 1115b59d809STakashi Sakamoto 112779f0dbaSTakashi Sakamoto int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw); 1134f380d00STakashi Sakamoto int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw, 114b0ac0009STakashi Sakamoto struct amdtp_stream *stream, 1151d6a722cSTakashi Sakamoto unsigned int rate, unsigned int pcm_channels, 1163299d2a0STakashi Sakamoto unsigned int frames_per_period, 1173299d2a0STakashi Sakamoto unsigned int frames_per_buffer); 1184f380d00STakashi Sakamoto int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw); 119779f0dbaSTakashi Sakamoto void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw); 120779f0dbaSTakashi Sakamoto void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw); 121779f0dbaSTakashi Sakamoto void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw); 1223713d93aSTakashi Sakamoto 1235cd1d3f4STakashi Sakamoto struct snd_oxfw_stream_formation { 1245cd1d3f4STakashi Sakamoto unsigned int rate; 1255cd1d3f4STakashi Sakamoto unsigned int pcm; 1265cd1d3f4STakashi Sakamoto unsigned int midi; 1275cd1d3f4STakashi Sakamoto }; 1285cd1d3f4STakashi Sakamoto int snd_oxfw_stream_parse_format(u8 *format, 1295cd1d3f4STakashi Sakamoto struct snd_oxfw_stream_formation *formation); 1305cd1d3f4STakashi Sakamoto int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw, 1315cd1d3f4STakashi Sakamoto enum avc_general_plug_dir dir, 1325cd1d3f4STakashi Sakamoto struct snd_oxfw_stream_formation *formation); 133b0ac0009STakashi Sakamoto 1345cd1d3f4STakashi Sakamoto int snd_oxfw_stream_discover(struct snd_oxfw *oxfw); 1355cd1d3f4STakashi Sakamoto 1368985f4acSTakashi Sakamoto void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw); 1378985f4acSTakashi Sakamoto int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw); 1388985f4acSTakashi Sakamoto void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw); 1398985f4acSTakashi Sakamoto 1403713d93aSTakashi Sakamoto int snd_oxfw_create_pcm(struct snd_oxfw *oxfw); 14131514bfbSTakashi Sakamoto 1423c96101fSTakashi Sakamoto void snd_oxfw_proc_init(struct snd_oxfw *oxfw); 14305588d34STakashi Sakamoto 14405588d34STakashi Sakamoto int snd_oxfw_create_midi(struct snd_oxfw *oxfw); 1458985f4acSTakashi Sakamoto 1468985f4acSTakashi Sakamoto int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw); 14729aa09acSTakashi Sakamoto 1483e2f4570STakashi Sakamoto int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie); 1493f47152aSTakashi Sakamoto int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw); 150e3315b43STakashi Sakamoto void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw); 151