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Linux/sound/firewire/fireworks/fireworks.h

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  1 /*
  2  * fireworks.h - a part of driver for Fireworks based devices
  3  *
  4  * Copyright (c) 2009-2010 Clemens Ladisch
  5  * Copyright (c) 2013-2014 Takashi Sakamoto
  6  *
  7  * Licensed under the terms of the GNU General Public License, version 2.
  8  */
  9 #ifndef SOUND_FIREWORKS_H_INCLUDED
 10 #define SOUND_FIREWORKS_H_INCLUDED
 11 
 12 #include <linux/compat.h>
 13 #include <linux/device.h>
 14 #include <linux/firewire.h>
 15 #include <linux/firewire-constants.h>
 16 #include <linux/module.h>
 17 #include <linux/mod_devicetable.h>
 18 #include <linux/delay.h>
 19 #include <linux/slab.h>
 20 #include <linux/sched/signal.h>
 21 
 22 #include <sound/core.h>
 23 #include <sound/initval.h>
 24 #include <sound/pcm.h>
 25 #include <sound/info.h>
 26 #include <sound/rawmidi.h>
 27 #include <sound/pcm_params.h>
 28 #include <sound/firewire.h>
 29 #include <sound/hwdep.h>
 30 
 31 #include "../packets-buffer.h"
 32 #include "../iso-resources.h"
 33 #include "../amdtp-am824.h"
 34 #include "../cmp.h"
 35 #include "../lib.h"
 36 
 37 #define SND_EFW_MAX_MIDI_OUT_PORTS      2
 38 #define SND_EFW_MAX_MIDI_IN_PORTS       2
 39 
 40 #define SND_EFW_MULTIPLIER_MODES        3
 41 #define HWINFO_NAME_SIZE_BYTES          32
 42 #define HWINFO_MAX_CAPS_GROUPS          8
 43 
 44 /*
 45  * This should be greater than maximum bytes for EFW response content.
 46  * Currently response against command for isochronous channel mapping is
 47  * confirmed to be the maximum one. But for flexibility, use maximum data
 48  * payload for asynchronous primary packets at S100 (Cable base rate) in
 49  * IEEE Std 1394-1995.
 50  */
 51 #define SND_EFW_RESPONSE_MAXIMUM_BYTES  0x200U
 52 
 53 extern unsigned int snd_efw_resp_buf_size;
 54 extern bool snd_efw_resp_buf_debug;
 55 
 56 struct snd_efw_phys_grp {
 57         u8 type;        /* see enum snd_efw_grp_type */
 58         u8 count;
 59 } __packed;
 60 
 61 struct snd_efw {
 62         struct snd_card *card;
 63         struct fw_unit *unit;
 64         int card_index;
 65 
 66         struct mutex mutex;
 67         spinlock_t lock;
 68 
 69         bool registered;
 70         struct delayed_work dwork;
 71 
 72         /* for transaction */
 73         u32 seqnum;
 74         bool resp_addr_changable;
 75 
 76         /* for quirks */
 77         bool is_af9;
 78         bool is_fireworks3;
 79         u32 firmware_version;
 80 
 81         unsigned int midi_in_ports;
 82         unsigned int midi_out_ports;
 83 
 84         unsigned int supported_sampling_rate;
 85         unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES];
 86         unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES];
 87 
 88         struct amdtp_stream tx_stream;
 89         struct amdtp_stream rx_stream;
 90         struct cmp_connection out_conn;
 91         struct cmp_connection in_conn;
 92         unsigned int capture_substreams;
 93         unsigned int playback_substreams;
 94 
 95         /* hardware metering parameters */
 96         unsigned int phys_out;
 97         unsigned int phys_in;
 98         unsigned int phys_out_grp_count;
 99         unsigned int phys_in_grp_count;
100         struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
101         struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
102 
103         /* for uapi */
104         int dev_lock_count;
105         bool dev_lock_changed;
106         wait_queue_head_t hwdep_wait;
107 
108         /* response queue */
109         u8 *resp_buf;
110         u8 *pull_ptr;
111         u8 *push_ptr;
112 };
113 
114 int snd_efw_transaction_cmd(struct fw_unit *unit,
115                             const void *cmd, unsigned int size);
116 int snd_efw_transaction_run(struct fw_unit *unit,
117                             const void *cmd, unsigned int cmd_size,
118                             void *resp, unsigned int resp_size);
119 int snd_efw_transaction_register(void);
120 void snd_efw_transaction_unregister(void);
121 void snd_efw_transaction_bus_reset(struct fw_unit *unit);
122 void snd_efw_transaction_add_instance(struct snd_efw *efw);
123 void snd_efw_transaction_remove_instance(struct snd_efw *efw);
124 
125 struct snd_efw_hwinfo {
126         u32 flags;
127         u32 guid_hi;
128         u32 guid_lo;
129         u32 type;
130         u32 version;
131         char vendor_name[HWINFO_NAME_SIZE_BYTES];
132         char model_name[HWINFO_NAME_SIZE_BYTES];
133         u32 supported_clocks;
134         u32 amdtp_rx_pcm_channels;
135         u32 amdtp_tx_pcm_channels;
136         u32 phys_out;
137         u32 phys_in;
138         u32 phys_out_grp_count;
139         struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS];
140         u32 phys_in_grp_count;
141         struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS];
142         u32 midi_out_ports;
143         u32 midi_in_ports;
144         u32 max_sample_rate;
145         u32 min_sample_rate;
146         u32 dsp_version;
147         u32 arm_version;
148         u32 mixer_playback_channels;
149         u32 mixer_capture_channels;
150         u32 fpga_version;
151         u32 amdtp_rx_pcm_channels_2x;
152         u32 amdtp_tx_pcm_channels_2x;
153         u32 amdtp_rx_pcm_channels_4x;
154         u32 amdtp_tx_pcm_channels_4x;
155         u32 reserved[16];
156 } __packed;
157 enum snd_efw_grp_type {
158         SND_EFW_CH_TYPE_ANALOG                  = 0,
159         SND_EFW_CH_TYPE_SPDIF                   = 1,
160         SND_EFW_CH_TYPE_ADAT                    = 2,
161         SND_EFW_CH_TYPE_SPDIF_OR_ADAT           = 3,
162         SND_EFW_CH_TYPE_ANALOG_MIRRORING        = 4,
163         SND_EFW_CH_TYPE_HEADPHONES              = 5,
164         SND_EFW_CH_TYPE_I2S                     = 6,
165         SND_EFW_CH_TYPE_GUITAR                  = 7,
166         SND_EFW_CH_TYPE_PIEZO_GUITAR            = 8,
167         SND_EFW_CH_TYPE_GUITAR_STRING           = 9,
168         SND_EFW_CH_TYPE_DUMMY
169 };
170 struct snd_efw_phys_meters {
171         u32 status;     /* guitar state/midi signal/clock input detect */
172         u32 reserved0;
173         u32 reserved1;
174         u32 reserved2;
175         u32 reserved3;
176         u32 out_meters;
177         u32 in_meters;
178         u32 reserved4;
179         u32 reserved5;
180         u32 values[0];
181 } __packed;
182 enum snd_efw_clock_source {
183         SND_EFW_CLOCK_SOURCE_INTERNAL   = 0,
184         SND_EFW_CLOCK_SOURCE_SYTMATCH   = 1,
185         SND_EFW_CLOCK_SOURCE_WORDCLOCK  = 2,
186         SND_EFW_CLOCK_SOURCE_SPDIF      = 3,
187         SND_EFW_CLOCK_SOURCE_ADAT_1     = 4,
188         SND_EFW_CLOCK_SOURCE_ADAT_2     = 5,
189         SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6     /* internal variable clock */
190 };
191 enum snd_efw_transport_mode {
192         SND_EFW_TRANSPORT_MODE_WINDOWS  = 0,
193         SND_EFW_TRANSPORT_MODE_IEC61883 = 1,
194 };
195 int snd_efw_command_set_resp_addr(struct snd_efw *efw,
196                                   u16 addr_high, u32 addr_low);
197 int snd_efw_command_set_tx_mode(struct snd_efw *efw,
198                                 enum snd_efw_transport_mode mode);
199 int snd_efw_command_get_hwinfo(struct snd_efw *efw,
200                                struct snd_efw_hwinfo *hwinfo);
201 int snd_efw_command_get_phys_meters(struct snd_efw *efw,
202                                     struct snd_efw_phys_meters *meters,
203                                     unsigned int len);
204 int snd_efw_command_get_clock_source(struct snd_efw *efw,
205                                      enum snd_efw_clock_source *source);
206 int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate);
207 int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate);
208 
209 int snd_efw_stream_init_duplex(struct snd_efw *efw);
210 int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate);
211 void snd_efw_stream_stop_duplex(struct snd_efw *efw);
212 void snd_efw_stream_update_duplex(struct snd_efw *efw);
213 void snd_efw_stream_destroy_duplex(struct snd_efw *efw);
214 void snd_efw_stream_lock_changed(struct snd_efw *efw);
215 int snd_efw_stream_lock_try(struct snd_efw *efw);
216 void snd_efw_stream_lock_release(struct snd_efw *efw);
217 
218 void snd_efw_proc_init(struct snd_efw *efw);
219 
220 int snd_efw_create_midi_devices(struct snd_efw *efw);
221 
222 int snd_efw_create_pcm_devices(struct snd_efw *efw);
223 int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode);
224 
225 int snd_efw_create_hwdep_device(struct snd_efw *efw);
226 
227 #define SND_EFW_DEV_ENTRY(vendor, model) \
228 { \
229         .match_flags    = IEEE1394_MATCH_VENDOR_ID | \
230                           IEEE1394_MATCH_MODEL_ID, \
231         .vendor_id      = vendor,\
232         .model_id       = model \
233 }
234 
235 #endif
236 

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