// SPDX-License-Identifier: GPL-2.0-or-later /* */ #include <linux/init.h> #include <linux/slab.h> #include <linux/usb.h> #include <linux/usb/audio.h> #include <linux/usb/midi.h> #include <linux/bits.h> #include <sound/control.h> #include <sound/core.h> #include <sound/info.h> #include <sound/pcm.h> #include "usbaudio.h" #include "card.h" #include "mixer.h" #include "mixer_quirks.h" #include "midi.h" #include "midi2.h" #include "quirks.h" #include "helper.h" #include "endpoint.h" #include "pcm.h" #include "clock.h" #include "stream.h" /* * handle the quirks for the contained interfaces */ static int create_composite_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk_comp) { … } static int ignore_interface_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } static int create_any_midi_quirk(struct snd_usb_audio *chip, struct usb_interface *intf, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* * create a stream for an interface with proper descriptors */ static int create_standard_audio_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* create the audio stream and the corresponding endpoints from the fixed * audioformat object; this is used for quirks with the fixed EPs */ static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip, struct audioformat *fp) { … } /* * create a stream for an endpoint/altsetting without proper descriptors */ static int create_fixed_stream_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } static int create_auto_pcm_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver) { … } static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, struct usb_host_interface *alts) { … } static int create_roland_midi_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, struct usb_host_interface *alts) { … } static int create_std_midi_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, struct usb_host_interface *alts) { … } static int create_auto_midi_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver) { … } static int create_autodetect_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. * The only way to detect the sample rate is by looking at wMaxPacketSize. */ static int create_uaxx_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* * Create a standard mixer for the specified interface. */ static int create_standard_mixer_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* * audio-interface quirks * * returns zero if no standard audio/MIDI parsing is needed. * returns a positive value if standard audio/midi interfaces are parsed * after this. * returns a negative value at error. */ int snd_usb_create_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, const struct snd_usb_audio_quirk *quirk) { … } /* * boot quirks */ #define EXTIGY_FIRMWARE_SIZE_OLD … #define EXTIGY_FIRMWARE_SIZE_NEW … static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) { … } static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) { … } static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) { … } /* * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely * documented in the device's data sheet. */ static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) { … } static int snd_usb_cm106_boot_quirk(struct usb_device *dev) { … } /* * CM6206 registers from the CM6206 datasheet rev 2.1 */ #define CM6206_REG0_DMA_MASTER … #define CM6206_REG0_SPDIFO_RATE_48K … #define CM6206_REG0_SPDIFO_RATE_96K … /* Bit 4 thru 11 is the S/PDIF category code */ #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL … #define CM6206_REG0_SPDIFO_EMPHASIS_CD … #define CM6206_REG0_SPDIFO_COPYRIGHT_NA … #define CM6206_REG0_SPDIFO_NON_AUDIO … #define CM6206_REG0_SPDIFO_PRO_FORMAT … #define CM6206_REG1_TEST_SEL_CLK … #define CM6206_REG1_PLLBIN_EN … #define CM6206_REG1_SOFT_MUTE_EN … #define CM6206_REG1_GPIO4_OUT … #define CM6206_REG1_GPIO4_OE … #define CM6206_REG1_GPIO3_OUT … #define CM6206_REG1_GPIO3_OE … #define CM6206_REG1_GPIO2_OUT … #define CM6206_REG1_GPIO2_OE … #define CM6206_REG1_GPIO1_OUT … #define CM6206_REG1_GPIO1_OE … #define CM6206_REG1_SPDIFO_INVALID … #define CM6206_REG1_SPDIF_LOOP_EN … #define CM6206_REG1_SPDIFO_DIS … #define CM6206_REG1_SPDIFI_MIX … #define CM6206_REG2_DRIVER_ON … #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS … #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS … #define CM6206_REG2_HEADP_SEL_CENTER_SUBW … #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS … #define CM6206_REG2_MUTE_HEADPHONE_RIGHT … #define CM6206_REG2_MUTE_HEADPHONE_LEFT … #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT … #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT … #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT … #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT … #define CM6206_REG2_MUTE_SUBWOOFER … #define CM6206_REG2_MUTE_CENTER … #define CM6206_REG2_MUTE_RIGHT_FRONT … #define CM6206_REG2_MUTE_LEFT_FRONT … #define CM6206_REG2_EN_BTL … #define CM6206_REG2_MCUCLKSEL_1_5_MHZ … #define CM6206_REG2_MCUCLKSEL_3_MHZ … #define CM6206_REG2_MCUCLKSEL_6_MHZ … #define CM6206_REG2_MCUCLKSEL_12_MHZ … /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ #define CM6206_REG3_FLYSPEED_DEFAULT … #define CM6206_REG3_VRAP25EN … #define CM6206_REG3_MSEL1 … #define CM6206_REG3_SPDIFI_RATE_44_1K … #define CM6206_REG3_SPDIFI_RATE_48K … #define CM6206_REG3_SPDIFI_RATE_32K … #define CM6206_REG3_PINSEL … #define CM6206_REG3_FOE … #define CM6206_REG3_ROE … #define CM6206_REG3_CBOE … #define CM6206_REG3_LOSE … #define CM6206_REG3_HPOE … #define CM6206_REG3_SPDIFI_CANREC … #define CM6206_REG5_DA_RSTN … #define CM6206_REG5_AD_RSTN … #define CM6206_REG5_SPDIFO_AD2SPDO … #define CM6206_REG5_SPDIFO_SEL_FRONT … #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR … #define CM6206_REG5_SPDIFO_SEL_CEN_LFE … #define CM6206_REG5_SPDIFO_SEL_REAR_SUR … #define CM6206_REG5_CODECM … #define CM6206_REG5_EN_HPF … #define CM6206_REG5_T_SEL_DSDA4 … #define CM6206_REG5_T_SEL_DSDA3 … #define CM6206_REG5_T_SEL_DSDA2 … #define CM6206_REG5_T_SEL_DSDA1 … #define CM6206_REG5_T_SEL_DSDAD_NORMAL … #define CM6206_REG5_T_SEL_DSDAD_FRONT … #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND … #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE … #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND … static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) { … } /* quirk for Plantronics GameCom 780 with CM6302 chip */ static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) { … } /* * Novation Twitch DJ controller * Focusrite Novation Saffire 6 USB audio card */ static int snd_usb_novation_boot_quirk(struct usb_device *dev) { … } /* * This call will put the synth in "USB send" mode, i.e it will send MIDI * messages through USB (this is disabled at startup). The synth will * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB * sign on its LCD. Values here are chosen based on sniffing USB traffic * under Windows. */ static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) { … } /* * Some sound cards from Native Instruments are in fact compliant to the USB * audio standard of version 2 and other approved USB standards, even though * they come up as vendor-specific device when first connected. * * However, they can be told to come up with a new set of descriptors * upon their next enumeration, and the interfaces announced by the new * descriptors will then be handled by the kernel's class drivers. As the * product ID will also change, no further checks are required. */ static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) { … } static void mbox2_setup_48_24_magic(struct usb_device *dev) { … } /* Digidesign Mbox 2 needs to load firmware onboard * and driver must wait a few seconds for initialisation. */ #define MBOX2_FIRMWARE_SIZE … #define MBOX2_BOOT_LOADING … #define MBOX2_BOOT_READY … static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) { … } static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) { … } static void mbox3_setup_defaults(struct usb_device *dev) { … } #define MBOX3_DESCRIPTOR_SIZE … static int snd_usb_mbox3_boot_quirk(struct usb_device *dev) { … } #define MICROBOOK_BUF_SIZE … static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, int buf_size, int *length) { … } static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) { … } static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev) { … } /* * Setup quirks */ #define MAUDIO_SET … #define MAUDIO_SET_COMPATIBLE … #define MAUDIO_SET_DTS … #define MAUDIO_SET_96K … #define MAUDIO_SET_24B … #define MAUDIO_SET_DI … #define MAUDIO_SET_MASK … #define MAUDIO_SET_24B_48K_DI … #define MAUDIO_SET_24B_48K_NOTDI … #define MAUDIO_SET_16B_48K_DI … #define MAUDIO_SET_16B_48K_NOTDI … static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, int iface, int altno) { … } static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, int iface, int altno) { … } static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, int iface, int altno) { … } static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip, int iface, int altno) { … } int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, int iface, int altno) { … } int snd_usb_apply_boot_quirk(struct usb_device *dev, struct usb_interface *intf, const struct snd_usb_audio_quirk *quirk, unsigned int id) { … } int snd_usb_apply_boot_quirk_once(struct usb_device *dev, struct usb_interface *intf, const struct snd_usb_audio_quirk *quirk, unsigned int id) { … } /* * check if the device uses big-endian samples */ int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, const struct audioformat *fp) { … } /* * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, * not for interface. */ enum { … }; static void set_format_emu_quirk(struct snd_usb_substream *subs, const struct audioformat *fmt) { … } static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs, u16 windex) { … } static void mbox3_set_format_quirk(struct snd_usb_substream *subs, const struct audioformat *fmt) { … } void snd_usb_set_format_quirk(struct snd_usb_substream *subs, const struct audioformat *fmt) { … } int snd_usb_select_mode_quirk(struct snd_usb_audio *chip, const struct audioformat *fmt) { … } void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) { … } /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size) { … } /* * snd_usb_interface_dsd_format_quirks() is called from format.c to * augment the PCM format bit-field for DSD types. The UAC standards * don't have a designated bit field to denote DSD-capable interfaces, * hence all hardware that is known to support this format has to be * listed here. */ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, struct audioformat *fp, unsigned int sample_bytes) { … } void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, struct audioformat *fp, int stream) { … } /* * driver behavior quirk flags */ struct usb_audio_quirk_flags_table { … }; #define DEVICE_FLG(vid, pid, _flags) … #define VENDOR_FLG(vid, _flags) … static const struct usb_audio_quirk_flags_table quirk_flags_table[] = …; void snd_usb_init_quirk_flags(struct snd_usb_audio *chip) { … }
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