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 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.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 /* for transaction */ 69 u32 seqnum; 70 bool resp_addr_changable; 71 72 /* for quirks */ 73 bool is_af9; 74 u32 firmware_version; 75 76 unsigned int midi_in_ports; 77 unsigned int midi_out_ports; 78 79 unsigned int supported_sampling_rate; 80 unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES]; 81 unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES]; 82 83 struct amdtp_stream *master; 84 struct amdtp_stream tx_stream; 85 struct amdtp_stream rx_stream; 86 struct cmp_connection out_conn; 87 struct cmp_connection in_conn; 88 atomic_t capture_substreams; 89 atomic_t playback_substreams; 90 91 /* hardware metering parameters */ 92 unsigned int phys_out; 93 unsigned int phys_in; 94 unsigned int phys_out_grp_count; 95 unsigned int phys_in_grp_count; 96 struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; 97 struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; 98 99 /* for uapi */ 100 int dev_lock_count; 101 bool dev_lock_changed; 102 wait_queue_head_t hwdep_wait; 103 104 /* response queue */ 105 u8 *resp_buf; 106 u8 *pull_ptr; 107 u8 *push_ptr; 108 unsigned int resp_queues; 109 }; 110 111 int snd_efw_transaction_cmd(struct fw_unit *unit, 112 const void *cmd, unsigned int size); 113 int snd_efw_transaction_run(struct fw_unit *unit, 114 const void *cmd, unsigned int cmd_size, 115 void *resp, unsigned int resp_size); 116 int snd_efw_transaction_register(void); 117 void snd_efw_transaction_unregister(void); 118 void snd_efw_transaction_bus_reset(struct fw_unit *unit); 119 void snd_efw_transaction_add_instance(struct snd_efw *efw); 120 void snd_efw_transaction_remove_instance(struct snd_efw *efw); 121 122 struct snd_efw_hwinfo { 123 u32 flags; 124 u32 guid_hi; 125 u32 guid_lo; 126 u32 type; 127 u32 version; 128 char vendor_name[HWINFO_NAME_SIZE_BYTES]; 129 char model_name[HWINFO_NAME_SIZE_BYTES]; 130 u32 supported_clocks; 131 u32 amdtp_rx_pcm_channels; 132 u32 amdtp_tx_pcm_channels; 133 u32 phys_out; 134 u32 phys_in; 135 u32 phys_out_grp_count; 136 struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; 137 u32 phys_in_grp_count; 138 struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; 139 u32 midi_out_ports; 140 u32 midi_in_ports; 141 u32 max_sample_rate; 142 u32 min_sample_rate; 143 u32 dsp_version; 144 u32 arm_version; 145 u32 mixer_playback_channels; 146 u32 mixer_capture_channels; 147 u32 fpga_version; 148 u32 amdtp_rx_pcm_channels_2x; 149 u32 amdtp_tx_pcm_channels_2x; 150 u32 amdtp_rx_pcm_channels_4x; 151 u32 amdtp_tx_pcm_channels_4x; 152 u32 reserved[16]; 153 } __packed; 154 enum snd_efw_grp_type { 155 SND_EFW_CH_TYPE_ANALOG = 0, 156 SND_EFW_CH_TYPE_SPDIF = 1, 157 SND_EFW_CH_TYPE_ADAT = 2, 158 SND_EFW_CH_TYPE_SPDIF_OR_ADAT = 3, 159 SND_EFW_CH_TYPE_ANALOG_MIRRORING = 4, 160 SND_EFW_CH_TYPE_HEADPHONES = 5, 161 SND_EFW_CH_TYPE_I2S = 6, 162 SND_EFW_CH_TYPE_GUITAR = 7, 163 SND_EFW_CH_TYPE_PIEZO_GUITAR = 8, 164 SND_EFW_CH_TYPE_GUITAR_STRING = 9, 165 SND_EFW_CH_TYPE_DUMMY 166 }; 167 struct snd_efw_phys_meters { 168 u32 status; /* guitar state/midi signal/clock input detect */ 169 u32 reserved0; 170 u32 reserved1; 171 u32 reserved2; 172 u32 reserved3; 173 u32 out_meters; 174 u32 in_meters; 175 u32 reserved4; 176 u32 reserved5; 177 u32 values[0]; 178 } __packed; 179 enum snd_efw_clock_source { 180 SND_EFW_CLOCK_SOURCE_INTERNAL = 0, 181 SND_EFW_CLOCK_SOURCE_SYTMATCH = 1, 182 SND_EFW_CLOCK_SOURCE_WORDCLOCK = 2, 183 SND_EFW_CLOCK_SOURCE_SPDIF = 3, 184 SND_EFW_CLOCK_SOURCE_ADAT_1 = 4, 185 SND_EFW_CLOCK_SOURCE_ADAT_2 = 5, 186 SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6 /* internal variable clock */ 187 }; 188 enum snd_efw_transport_mode { 189 SND_EFW_TRANSPORT_MODE_WINDOWS = 0, 190 SND_EFW_TRANSPORT_MODE_IEC61883 = 1, 191 }; 192 int snd_efw_command_set_resp_addr(struct snd_efw *efw, 193 u16 addr_high, u32 addr_low); 194 int snd_efw_command_set_tx_mode(struct snd_efw *efw, 195 enum snd_efw_transport_mode mode); 196 int snd_efw_command_get_hwinfo(struct snd_efw *efw, 197 struct snd_efw_hwinfo *hwinfo); 198 int snd_efw_command_get_phys_meters(struct snd_efw *efw, 199 struct snd_efw_phys_meters *meters, 200 unsigned int len); 201 int snd_efw_command_get_clock_source(struct snd_efw *efw, 202 enum snd_efw_clock_source *source); 203 int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate); 204 int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate); 205 206 int snd_efw_stream_init_duplex(struct snd_efw *efw); 207 int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate); 208 void snd_efw_stream_stop_duplex(struct snd_efw *efw); 209 void snd_efw_stream_update_duplex(struct snd_efw *efw); 210 void snd_efw_stream_destroy_duplex(struct snd_efw *efw); 211 void snd_efw_stream_lock_changed(struct snd_efw *efw); 212 int snd_efw_stream_lock_try(struct snd_efw *efw); 213 void snd_efw_stream_lock_release(struct snd_efw *efw); 214 215 void snd_efw_proc_init(struct snd_efw *efw); 216 217 int snd_efw_create_midi_devices(struct snd_efw *efw); 218 219 int snd_efw_create_pcm_devices(struct snd_efw *efw); 220 int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode); 221 222 int snd_efw_create_hwdep_device(struct snd_efw *efw); 223 224 #define SND_EFW_DEV_ENTRY(vendor, model) \ 225 { \ 226 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 227 IEEE1394_MATCH_MODEL_ID, \ 228 .vendor_id = vendor,\ 229 .model_id = model \ 230 } 231 232 #endif 233