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 26 #include "../packets-buffer.h" 27 #include "../iso-resources.h" 28 #include "../amdtp.h" 29 #include "../cmp.h" 30 #include "../lib.h" 31 32 #define SND_EFW_MAX_MIDI_OUT_PORTS 2 33 #define SND_EFW_MAX_MIDI_IN_PORTS 2 34 35 #define SND_EFW_MULTIPLIER_MODES 3 36 #define HWINFO_NAME_SIZE_BYTES 32 37 #define HWINFO_MAX_CAPS_GROUPS 8 38 39 /* 40 * This should be greater than maximum bytes for EFW response content. 41 * Currently response against command for isochronous channel mapping is 42 * confirmed to be the maximum one. But for flexibility, use maximum data 43 * payload for asynchronous primary packets at S100 (Cable base rate) in 44 * IEEE Std 1394-1995. 45 */ 46 #define SND_EFW_RESPONSE_MAXIMUM_BYTES 0x200U 47 48 struct snd_efw_phys_grp { 49 u8 type; /* see enum snd_efw_grp_type */ 50 u8 count; 51 } __packed; 52 53 struct snd_efw { 54 struct snd_card *card; 55 struct fw_unit *unit; 56 int card_index; 57 58 struct mutex mutex; 59 spinlock_t lock; 60 61 /* for transaction */ 62 u32 seqnum; 63 bool resp_addr_changable; 64 65 /* for quirks */ 66 bool is_af9; 67 u32 firmware_version; 68 69 unsigned int midi_in_ports; 70 unsigned int midi_out_ports; 71 72 unsigned int supported_sampling_rate; 73 unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES]; 74 unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES]; 75 76 struct amdtp_stream *master; 77 struct amdtp_stream tx_stream; 78 struct amdtp_stream rx_stream; 79 struct cmp_connection out_conn; 80 struct cmp_connection in_conn; 81 atomic_t capture_substreams; 82 atomic_t playback_substreams; 83 84 /* hardware metering parameters */ 85 unsigned int phys_out; 86 unsigned int phys_in; 87 unsigned int phys_out_grp_count; 88 unsigned int phys_in_grp_count; 89 struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; 90 struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; 91 }; 92 93 struct snd_efw_transaction { 94 __be32 length; 95 __be32 version; 96 __be32 seqnum; 97 __be32 category; 98 __be32 command; 99 __be32 status; 100 __be32 params[0]; 101 }; 102 int snd_efw_transaction_run(struct fw_unit *unit, 103 const void *cmd, unsigned int cmd_size, 104 void *resp, unsigned int resp_size); 105 int snd_efw_transaction_register(void); 106 void snd_efw_transaction_unregister(void); 107 void snd_efw_transaction_bus_reset(struct fw_unit *unit); 108 109 struct snd_efw_hwinfo { 110 u32 flags; 111 u32 guid_hi; 112 u32 guid_lo; 113 u32 type; 114 u32 version; 115 char vendor_name[HWINFO_NAME_SIZE_BYTES]; 116 char model_name[HWINFO_NAME_SIZE_BYTES]; 117 u32 supported_clocks; 118 u32 amdtp_rx_pcm_channels; 119 u32 amdtp_tx_pcm_channels; 120 u32 phys_out; 121 u32 phys_in; 122 u32 phys_out_grp_count; 123 struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; 124 u32 phys_in_grp_count; 125 struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; 126 u32 midi_out_ports; 127 u32 midi_in_ports; 128 u32 max_sample_rate; 129 u32 min_sample_rate; 130 u32 dsp_version; 131 u32 arm_version; 132 u32 mixer_playback_channels; 133 u32 mixer_capture_channels; 134 u32 fpga_version; 135 u32 amdtp_rx_pcm_channels_2x; 136 u32 amdtp_tx_pcm_channels_2x; 137 u32 amdtp_rx_pcm_channels_4x; 138 u32 amdtp_tx_pcm_channels_4x; 139 u32 reserved[16]; 140 } __packed; 141 enum snd_efw_grp_type { 142 SND_EFW_CH_TYPE_ANALOG = 0, 143 SND_EFW_CH_TYPE_SPDIF = 1, 144 SND_EFW_CH_TYPE_ADAT = 2, 145 SND_EFW_CH_TYPE_SPDIF_OR_ADAT = 3, 146 SND_EFW_CH_TYPE_ANALOG_MIRRORING = 4, 147 SND_EFW_CH_TYPE_HEADPHONES = 5, 148 SND_EFW_CH_TYPE_I2S = 6, 149 SND_EFW_CH_TYPE_GUITAR = 7, 150 SND_EFW_CH_TYPE_PIEZO_GUITAR = 8, 151 SND_EFW_CH_TYPE_GUITAR_STRING = 9, 152 SND_EFW_CH_TYPE_VIRTUAL = 0x10000, 153 SND_EFW_CH_TYPE_DUMMY 154 }; 155 struct snd_efw_phys_meters { 156 u32 status; /* guitar state/midi signal/clock input detect */ 157 u32 reserved0; 158 u32 reserved1; 159 u32 reserved2; 160 u32 reserved3; 161 u32 out_meters; 162 u32 in_meters; 163 u32 reserved4; 164 u32 reserved5; 165 u32 values[0]; 166 } __packed; 167 enum snd_efw_clock_source { 168 SND_EFW_CLOCK_SOURCE_INTERNAL = 0, 169 SND_EFW_CLOCK_SOURCE_SYTMATCH = 1, 170 SND_EFW_CLOCK_SOURCE_WORDCLOCK = 2, 171 SND_EFW_CLOCK_SOURCE_SPDIF = 3, 172 SND_EFW_CLOCK_SOURCE_ADAT_1 = 4, 173 SND_EFW_CLOCK_SOURCE_ADAT_2 = 5, 174 SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6 /* internal variable clock */ 175 }; 176 enum snd_efw_transport_mode { 177 SND_EFW_TRANSPORT_MODE_WINDOWS = 0, 178 SND_EFW_TRANSPORT_MODE_IEC61883 = 1, 179 }; 180 int snd_efw_command_set_resp_addr(struct snd_efw *efw, 181 u16 addr_high, u32 addr_low); 182 int snd_efw_command_set_tx_mode(struct snd_efw *efw, unsigned int mode); 183 int snd_efw_command_get_hwinfo(struct snd_efw *efw, 184 struct snd_efw_hwinfo *hwinfo); 185 int snd_efw_command_get_phys_meters(struct snd_efw *efw, 186 struct snd_efw_phys_meters *meters, 187 unsigned int len); 188 int snd_efw_command_get_clock_source(struct snd_efw *efw, 189 enum snd_efw_clock_source *source); 190 int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate); 191 int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate); 192 193 int snd_efw_stream_init_duplex(struct snd_efw *efw); 194 int snd_efw_stream_start_duplex(struct snd_efw *efw, int sampling_rate); 195 void snd_efw_stream_stop_duplex(struct snd_efw *efw); 196 void snd_efw_stream_update_duplex(struct snd_efw *efw); 197 void snd_efw_stream_destroy_duplex(struct snd_efw *efw); 198 199 void snd_efw_proc_init(struct snd_efw *efw); 200 201 #define SND_EFW_DEV_ENTRY(vendor, model) \ 202 { \ 203 .match_flags = IEEE1394_MATCH_VENDOR_ID | \ 204 IEEE1394_MATCH_MODEL_ID, \ 205 .vendor_id = vendor,\ 206 .model_id = model \ 207 } 208 209 #endif 210