1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * fireworks.h - a part of driver for Fireworks based devices 4 * 5 * Copyright (c) 2009-2010 Clemens Ladisch 6 * Copyright (c) 2013-2014 Takashi Sakamoto 7 */ 8 #ifndef SOUND_FIREWORKS_H_INCLUDED 9 #define SOUND_FIREWORKS_H_INCLUDED 10 11 #include <linux/compat.h> 12 #include <linux/device.h> 13 #include <linux/firewire.h> 14 #include <linux/firewire-constants.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/pcm.h> 24 #include <sound/info.h> 25 #include <sound/rawmidi.h> 26 #include <sound/pcm_params.h> 27 #include <sound/firewire.h> 28 #include <sound/hwdep.h> 29 30 #include "../packets-buffer.h" 31 #include "../iso-resources.h" 32 #include "../amdtp-am824.h" 33 #include "../cmp.h" 34 #include "../lib.h" 35 36 #define SND_EFW_MAX_MIDI_OUT_PORTS 2 37 #define SND_EFW_MAX_MIDI_IN_PORTS 2 38 39 #define SND_EFW_MULTIPLIER_MODES 3 40 #define HWINFO_NAME_SIZE_BYTES 32 41 #define HWINFO_MAX_CAPS_GROUPS 8 42 43 /* 44 * This should be greater than maximum bytes for EFW response content. 45 * Currently response against command for isochronous channel mapping is 46 * confirmed to be the maximum one. But for flexibility, use maximum data 47 * payload for asynchronous primary packets at S100 (Cable base rate) in 48 * IEEE Std 1394-1995. 49 */ 50 #define SND_EFW_RESPONSE_MAXIMUM_BYTES 0x200U 51 52 extern unsigned int snd_efw_resp_buf_size; 53 extern bool snd_efw_resp_buf_debug; 54 55 struct snd_efw_phys_grp { 56 u8 type; /* see enum snd_efw_grp_type */ 57 u8 count; 58 } __packed; 59 60 struct snd_efw { 61 struct snd_card *card; 62 struct fw_unit *unit; 63 int card_index; 64 65 struct mutex mutex; 66 spinlock_t lock; 67 68 bool registered; 69 struct delayed_work dwork; 70 71 /* for transaction */ 72 u32 seqnum; 73 bool resp_addr_changable; 74 75 /* for quirks */ 76 bool is_af9; 77 bool is_fireworks3; 78 u32 firmware_version; 79 80 unsigned int midi_in_ports; 81 unsigned int midi_out_ports; 82 83 unsigned int supported_sampling_rate; 84 unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES]; 85 unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES]; 86 87 struct amdtp_stream tx_stream; 88 struct amdtp_stream rx_stream; 89 struct cmp_connection out_conn; 90 struct cmp_connection in_conn; 91 unsigned int substreams_counter; 92 93 /* hardware metering parameters */ 94 unsigned int phys_out; 95 unsigned int phys_in; 96 unsigned int phys_out_grp_count; 97 unsigned int phys_in_grp_count; 98 struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; 99 struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; 100 101 /* for uapi */ 102 int dev_lock_count; 103 bool dev_lock_changed; 104 wait_queue_head_t hwdep_wait; 105 106 /* response queue */ 107 u8 *resp_buf; 108 u8 *pull_ptr; 109 u8 *push_ptr; 110 111 struct amdtp_domain domain; 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_reserve_duplex(struct snd_efw *efw, unsigned int rate, 211 unsigned int frames_per_period, 212 unsigned int frames_per_buffer); 213 int snd_efw_stream_start_duplex(struct snd_efw *efw); 214 void snd_efw_stream_stop_duplex(struct snd_efw *efw); 215 void snd_efw_stream_update_duplex(struct snd_efw *efw); 216 void snd_efw_stream_destroy_duplex(struct snd_efw *efw); 217 void snd_efw_stream_lock_changed(struct snd_efw *efw); 218 int snd_efw_stream_lock_try(struct snd_efw *efw); 219 void snd_efw_stream_lock_release(struct snd_efw *efw); 220 221 void snd_efw_proc_init(struct snd_efw *efw); 222 223 int snd_efw_create_midi_devices(struct snd_efw *efw); 224 225 int snd_efw_create_pcm_devices(struct snd_efw *efw); 226 int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode); 227 228 int snd_efw_create_hwdep_device(struct snd_efw *efw); 229 230 #define SND_EFW_DEV_ENTRY(vendor, model) \ 231 { \ 232 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 233 IEEE1394_MATCH_MODEL_ID, \ 234 .vendor_id = vendor,\ 235 .model_id = model \ 236 } 237 238 #endif 239