diff options
Diffstat (limited to 'sound/usb/mixer_scarlett_gen2.c')
| -rw-r--r-- | sound/usb/mixer_scarlett_gen2.c | 3231 |
1 files changed, 2559 insertions, 672 deletions
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 4caf379d5b99..f9d698a37153 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1,8 +1,13 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Focusrite Scarlett 6i6/18i8/18i20 Gen 2 Driver for ALSA + * Focusrite Scarlett Gen 2/3 Driver for ALSA * - * Copyright (c) 2018-2019 by Geoffrey D. Bennett <g at b4.vu> + * Supported models: + * - 6i6/18i8/18i20 Gen 2 + * - Solo/2i2/4i4/8i6/18i8/18i20 Gen 3 + * + * Copyright (c) 2018-2021 by Geoffrey D. Bennett <g at b4.vu> + * Copyright (c) 2020-2021 by Vladimir Sadovnikov <sadko4u@gmail.com> * * Based on the Scarlett (Gen 1) Driver for ALSA: * @@ -19,10 +24,6 @@ * David Henningsson <david.henningsson at canonical.com> */ -/* Mixer Interface for the Focusrite Scarlett 6i6/18i8/18i20 Gen 2 audio - * interface. Based on the Gen 1 driver and rewritten. - */ - /* The protocol was reverse engineered by looking at the communication * between Focusrite Control 2.3.4 and the Focusrite(R) Scarlett 18i20 * (firmware 1083) using usbmon in July-August 2018. @@ -32,12 +33,33 @@ * Scarlett 6i6 support added in June 2019 (thanks to Martin Wittmann * for providing usbmon output and testing). * - * This ALSA mixer gives access to: + * Scarlett 4i4/8i6 Gen 3 support added in May 2020 (thanks to Laurent + * Debricon for donating a 4i4 and to Fredrik Unger for providing 8i6 + * usbmon output and testing). + * + * Scarlett 18i8/18i20 Gen 3 support added in June 2020 (thanks to + * Darren Jaeckel, Alex Sedlack, and Clovis Lunel for providing usbmon + * output, protocol traces and testing). + * + * Support for loading mixer volume and mux configuration from the + * interface during driver initialisation added in May 2021 (thanks to + * Vladimir Sadovnikov for figuring out how). + * + * Support for Solo/2i2 Gen 3 added in May 2021 (thanks to Alexander + * Vorona for 2i2 protocol traces). + * + * Support for phantom power, direct monitoring, speaker switching, + * and talkback added in May-June 2021. + * + * This ALSA mixer gives access to (model-dependent): * - input, output, mixer-matrix muxes - * - 18x10 mixer-matrix gain stages - * - gain/volume controls + * - mixer-matrix gain stages + * - gain/volume/mute controls * - level meters - * - line/inst level and pad controls + * - line/inst level, pad, and air controls + * - phantom power, direct monitor, speaker switching, and talkback + * controls + * - disable/enable MSD mode * * <ditaa> * /--------------\ 18chn 20chn /--------------\ @@ -90,6 +112,14 @@ * \--------------/ * </ditaa> * + * Gen 3 devices have a Mass Storage Device (MSD) mode where a small + * disk with registration and driver download information is presented + * to the host. To access the full functionality of the device without + * proprietary software, MSD mode can be disabled by: + * - holding down the 48V button for five seconds while powering on + * the device, or + * - using this driver and alsamixer to change the "MSD Mode" setting + * to Off and power-cycling the device */ #include <linux/slab.h> @@ -108,6 +138,9 @@ /* device_setup value to enable */ #define SCARLETT2_ENABLE 0x01 +/* device_setup value to allow turning MSD mode back on */ +#define SCARLETT2_MSD_ENABLE 0x02 + /* some gui mixers can't handle negative ctl values */ #define SCARLETT2_VOLUME_BIAS 127 @@ -117,11 +150,12 @@ #define SCARLETT2_MIXER_MAX_DB 6 #define SCARLETT2_MIXER_MAX_VALUE \ ((SCARLETT2_MIXER_MAX_DB - SCARLETT2_MIXER_MIN_DB) * 2) +#define SCARLETT2_MIXER_VALUE_COUNT (SCARLETT2_MIXER_MAX_VALUE + 1) /* map from (dB + 80) * 2 to mixer value * for dB in 0 .. 172: int(8192 * pow(10, ((dB - 160) / 2 / 20))) */ -static const u16 scarlett2_mixer_values[173] = { +static const u16 scarlett2_mixer_values[SCARLETT2_MIXER_VALUE_COUNT] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 12, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, @@ -143,23 +177,23 @@ static const u16 scarlett2_mixer_values[173] = { /* Maximum number of level and pad switches */ #define SCARLETT2_LEVEL_SWITCH_MAX 2 -#define SCARLETT2_PAD_SWITCH_MAX 4 +#define SCARLETT2_PAD_SWITCH_MAX 8 +#define SCARLETT2_AIR_SWITCH_MAX 8 +#define SCARLETT2_PHANTOM_SWITCH_MAX 2 /* Maximum number of inputs to the mixer */ -#define SCARLETT2_INPUT_MIX_MAX 18 +#define SCARLETT2_INPUT_MIX_MAX 25 /* Maximum number of outputs from the mixer */ -#define SCARLETT2_OUTPUT_MIX_MAX 10 +#define SCARLETT2_OUTPUT_MIX_MAX 12 /* Maximum size of the data in the USB mux assignment message: - * 18 inputs, 20 outputs, 18 matrix inputs, 8 spare + * 20 inputs, 20 outputs, 25 matrix inputs, 12 spare */ -#define SCARLETT2_MUX_MAX 64 +#define SCARLETT2_MUX_MAX 77 -/* Number of meters: - * 18 inputs, 20 outputs, 18 matrix inputs - */ -#define SCARLETT2_NUM_METERS 56 +/* Maximum number of meters (sum of output port counts) */ +#define SCARLETT2_MAX_METERS 65 /* Hardware port types: * - None (no input to mux) @@ -170,74 +204,219 @@ static const u16 scarlett2_mixer_values[173] = { * - PCM I/O */ enum { - SCARLETT2_PORT_TYPE_NONE = 0, + SCARLETT2_PORT_TYPE_NONE = 0, SCARLETT2_PORT_TYPE_ANALOGUE = 1, - SCARLETT2_PORT_TYPE_SPDIF = 2, - SCARLETT2_PORT_TYPE_ADAT = 3, - SCARLETT2_PORT_TYPE_MIX = 4, - SCARLETT2_PORT_TYPE_PCM = 5, - SCARLETT2_PORT_TYPE_COUNT = 6, + SCARLETT2_PORT_TYPE_SPDIF = 2, + SCARLETT2_PORT_TYPE_ADAT = 3, + SCARLETT2_PORT_TYPE_MIX = 4, + SCARLETT2_PORT_TYPE_PCM = 5, + SCARLETT2_PORT_TYPE_COUNT = 6, }; -/* Count of total I/O and number available at each sample rate */ +/* I/O count of each port type kept in struct scarlett2_ports */ enum { - SCARLETT2_PORT_IN = 0, - SCARLETT2_PORT_OUT = 1, - SCARLETT2_PORT_OUT_44 = 2, - SCARLETT2_PORT_OUT_88 = 3, - SCARLETT2_PORT_OUT_176 = 4, - SCARLETT2_PORT_DIRECTIONS = 5, + SCARLETT2_PORT_IN = 0, + SCARLETT2_PORT_OUT = 1, + SCARLETT2_PORT_DIRNS = 2, }; -/* Hardware buttons on the 18i20 */ -#define SCARLETT2_BUTTON_MAX 2 +/* Dim/Mute buttons on the 18i20 */ +enum { + SCARLETT2_BUTTON_MUTE = 0, + SCARLETT2_BUTTON_DIM = 1, + SCARLETT2_DIM_MUTE_COUNT = 2, +}; -static const char *const scarlett2_button_names[SCARLETT2_BUTTON_MAX] = { +static const char *const scarlett2_dim_mute_names[SCARLETT2_DIM_MUTE_COUNT] = { "Mute", "Dim" }; /* Description of each hardware port type: - * - id: hardware ID for this port type - * - num: number of sources/destinations of this port type + * - id: hardware ID of this port type * - src_descr: printf format string for mux input selections * - src_num_offset: added to channel number for the fprintf * - dst_descr: printf format string for mixer controls */ -struct scarlett2_ports { +struct scarlett2_port { u16 id; - int num[SCARLETT2_PORT_DIRECTIONS]; const char * const src_descr; int src_num_offset; const char * const dst_descr; }; +static const struct scarlett2_port scarlett2_ports[SCARLETT2_PORT_TYPE_COUNT] = { + [SCARLETT2_PORT_TYPE_NONE] = { + .id = 0x000, + .src_descr = "Off" + }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { + .id = 0x080, + .src_descr = "Analogue %d", + .src_num_offset = 1, + .dst_descr = "Analogue Output %02d Playback" + }, + [SCARLETT2_PORT_TYPE_SPDIF] = { + .id = 0x180, + .src_descr = "S/PDIF %d", + .src_num_offset = 1, + .dst_descr = "S/PDIF Output %d Playback" + }, + [SCARLETT2_PORT_TYPE_ADAT] = { + .id = 0x200, + .src_descr = "ADAT %d", + .src_num_offset = 1, + .dst_descr = "ADAT Output %d Playback" + }, + [SCARLETT2_PORT_TYPE_MIX] = { + .id = 0x300, + .src_descr = "Mix %c", + .src_num_offset = 'A', + .dst_descr = "Mixer Input %02d Capture" + }, + [SCARLETT2_PORT_TYPE_PCM] = { + .id = 0x600, + .src_descr = "PCM %d", + .src_num_offset = 1, + .dst_descr = "PCM %02d Capture" + }, +}; + +/* Number of mux tables: one for each band of sample rates + * (44.1/48kHz, 88.2/96kHz, and 176.4/176kHz) + */ +#define SCARLETT2_MUX_TABLES 3 + +/* Maximum number of entries in a mux table */ +#define SCARLETT2_MAX_MUX_ENTRIES 10 + +/* One entry within mux_assignment defines the port type and range of + * ports to add to the set_mux message. The end of the list is marked + * with count == 0. + */ +struct scarlett2_mux_entry { + u8 port_type; + u8 start; + u8 count; +}; + struct scarlett2_device_info { - u8 line_out_hw_vol; /* line out hw volume is sw controlled */ - u8 button_count; /* number of buttons */ - u8 level_input_count; /* inputs with level selectable */ - u8 pad_input_count; /* inputs with pad selectable */ + u32 usb_id; /* USB device identifier */ + + /* Gen 3 devices have an internal MSD mode switch that needs + * to be disabled in order to access the full functionality of + * the device. + */ + u8 has_msd_mode; + + /* Gen 3 devices without a mixer have a different + * configuration set + */ + u8 has_mixer; + + /* line out hw volume is sw controlled */ + u8 line_out_hw_vol; + + /* support for main/alt speaker switching */ + u8 has_speaker_switching; + + /* support for talkback microphone */ + u8 has_talkback; + + /* the number of analogue inputs with a software switchable + * level control that can be set to line or instrument + */ + u8 level_input_count; + + /* the first input with a level control (0-based) */ + u8 level_input_first; + + /* the number of analogue inputs with a software switchable + * 10dB pad control + */ + u8 pad_input_count; + + /* the number of analogue inputs with a software switchable + * "air" control + */ + u8 air_input_count; + + /* the number of phantom (48V) software switchable controls */ + u8 phantom_count; + + /* the number of inputs each phantom switch controls */ + u8 inputs_per_phantom; + + /* the number of direct monitor options + * (0 = none, 1 = mono only, 2 = mono/stereo) + */ + u8 direct_monitor; + + /* remap analogue outputs; 18i8 Gen 3 has "line 3/4" connected + * internally to the analogue 7/8 outputs + */ + u8 line_out_remap_enable; + u8 line_out_remap[SCARLETT2_ANALOGUE_MAX]; + + /* additional description for the line out volume controls */ const char * const line_out_descrs[SCARLETT2_ANALOGUE_MAX]; - struct scarlett2_ports ports[SCARLETT2_PORT_TYPE_COUNT]; + + /* number of sources/destinations of each port type */ + const int port_count[SCARLETT2_PORT_TYPE_COUNT][SCARLETT2_PORT_DIRNS]; + + /* layout/order of the entries in the set_mux message */ + struct scarlett2_mux_entry mux_assignment[SCARLETT2_MUX_TABLES] + [SCARLETT2_MAX_MUX_ENTRIES]; }; -struct scarlett2_mixer_data { +struct scarlett2_data { struct usb_mixer_interface *mixer; struct mutex usb_mutex; /* prevent sending concurrent USB requests */ struct mutex data_mutex; /* lock access to this data */ struct delayed_work work; const struct scarlett2_device_info *info; + __u8 bInterfaceNumber; + __u8 bEndpointAddress; + __u16 wMaxPacketSize; + __u8 bInterval; int num_mux_srcs; + int num_mux_dsts; u16 scarlett2_seq; + u8 sync_updated; u8 vol_updated; + u8 input_other_updated; + u8 monitor_other_updated; + u8 mux_updated; + u8 speaker_switching_switched; + u8 sync; u8 master_vol; u8 vol[SCARLETT2_ANALOGUE_MAX]; u8 vol_sw_hw_switch[SCARLETT2_ANALOGUE_MAX]; + u8 mute_switch[SCARLETT2_ANALOGUE_MAX]; u8 level_switch[SCARLETT2_LEVEL_SWITCH_MAX]; u8 pad_switch[SCARLETT2_PAD_SWITCH_MAX]; - u8 buttons[SCARLETT2_BUTTON_MAX]; + u8 dim_mute[SCARLETT2_DIM_MUTE_COUNT]; + u8 air_switch[SCARLETT2_AIR_SWITCH_MAX]; + u8 phantom_switch[SCARLETT2_PHANTOM_SWITCH_MAX]; + u8 phantom_persistence; + u8 direct_monitor_switch; + u8 speaker_switching_switch; + u8 talkback_switch; + u8 talkback_map[SCARLETT2_OUTPUT_MIX_MAX]; + u8 msd_switch; + struct snd_kcontrol *sync_ctl; struct snd_kcontrol *master_vol_ctl; struct snd_kcontrol *vol_ctls[SCARLETT2_ANALOGUE_MAX]; - struct snd_kcontrol *button_ctls[SCARLETT2_BUTTON_MAX]; + struct snd_kcontrol *sw_hw_ctls[SCARLETT2_ANALOGUE_MAX]; + struct snd_kcontrol *mute_ctls[SCARLETT2_ANALOGUE_MAX]; + struct snd_kcontrol *dim_mute_ctls[SCARLETT2_DIM_MUTE_COUNT]; + struct snd_kcontrol *level_ctls[SCARLETT2_LEVEL_SWITCH_MAX]; + struct snd_kcontrol *pad_ctls[SCARLETT2_PAD_SWITCH_MAX]; + struct snd_kcontrol *air_ctls[SCARLETT2_AIR_SWITCH_MAX]; + struct snd_kcontrol *phantom_ctls[SCARLETT2_PHANTOM_SWITCH_MAX]; + struct snd_kcontrol *mux_ctls[SCARLETT2_MUX_MAX]; + struct snd_kcontrol *direct_monitor_ctl; + struct snd_kcontrol *speaker_switching_ctl; + struct snd_kcontrol *talkback_ctl; u8 mux[SCARLETT2_MUX_MAX]; u8 mix[SCARLETT2_INPUT_MIX_MAX * SCARLETT2_OUTPUT_MIX_MAX]; }; @@ -245,66 +424,56 @@ struct scarlett2_mixer_data { /*** Model-specific data ***/ static const struct scarlett2_device_info s6i6_gen2_info = { - /* The first two analogue inputs can be switched between line - * and instrument levels. - */ - .level_input_count = 2, + .usb_id = USB_ID(0x1235, 0x8203), - /* The first two analogue inputs have an optional pad. */ + .has_mixer = 1, + .level_input_count = 2, .pad_input_count = 2, .line_out_descrs = { - "Monitor L", - "Monitor R", - "Headphones L", - "Headphones R", + "Headphones 1 L", + "Headphones 1 R", + "Headphones 2 L", + "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0, 8, 8, 8 }, - .src_descr = "Off", - .src_num_offset = 0, - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 4, 4, 4, 4, 4 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - .id = 0x180, - .num = { 2, 2, 2, 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18, 18, 18, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 6, 6, 6, 6, 6 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 4, 4 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 6, 6 }, }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + } }, }; static const struct scarlett2_device_info s18i8_gen2_info = { - /* The first two analogue inputs can be switched between line - * and instrument levels. - */ - .level_input_count = 2, + .usb_id = USB_ID(0x1235, 0x8204), - /* The first four analogue inputs have an optional pad. */ + .has_mixer = 1, + .level_input_count = 2, .pad_input_count = 4, .line_out_descrs = { @@ -316,62 +485,44 @@ static const struct scarlett2_device_info s18i8_gen2_info = { "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0, 8, 8, 4 }, - .src_descr = "Off", - .src_num_offset = 0, - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 8, 6, 6, 6, 6 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - .id = 0x180, - /* S/PDIF outputs aren't available at 192kHz - * but are included in the USB mux I/O - * assignment message anyway - */ - .num = { 2, 2, 2, 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_ADAT] = { - .id = 0x200, - .num = { 8, 0, 0, 0, 0 }, - .src_descr = "ADAT %d", - .src_num_offset = 1, - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18, 18, 18, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 20, 18, 18, 14, 10 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 8, 6 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 0 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 8, 18 }, }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 18 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 14 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 4 }, + { 0, 0, 0 }, + } }, }; static const struct scarlett2_device_info s18i20_gen2_info = { - /* The analogue line outputs on the 18i20 can be switched - * between software and hardware volume control - */ - .line_out_hw_vol = 1, + .usb_id = USB_ID(0x1235, 0x8201), - /* Mute and dim buttons */ - .button_count = 2, + .has_mixer = 1, + .line_out_hw_vol = 1, .line_out_descrs = { "Monitor L", @@ -386,99 +537,364 @@ static const struct scarlett2_device_info s18i20_gen2_info = { "Headphones 2 R", }, - .ports = { - [SCARLETT2_PORT_TYPE_NONE] = { - .id = 0x000, - .num = { 1, 0, 8, 8, 6 }, - .src_descr = "Off", - .src_num_offset = 0, - }, - [SCARLETT2_PORT_TYPE_ANALOGUE] = { - .id = 0x080, - .num = { 8, 10, 10, 10, 10 }, - .src_descr = "Analogue %d", - .src_num_offset = 1, - .dst_descr = "Analogue Output %02d Playback" - }, - [SCARLETT2_PORT_TYPE_SPDIF] = { - /* S/PDIF outputs aren't available at 192kHz - * but are included in the USB mux I/O - * assignment message anyway - */ - .id = 0x180, - .num = { 2, 2, 2, 2, 2 }, - .src_descr = "S/PDIF %d", - .src_num_offset = 1, - .dst_descr = "S/PDIF Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_ADAT] = { - .id = 0x200, - .num = { 8, 8, 8, 4, 0 }, - .src_descr = "ADAT %d", - .src_num_offset = 1, - .dst_descr = "ADAT Output %d Playback" - }, - [SCARLETT2_PORT_TYPE_MIX] = { - .id = 0x300, - .num = { 10, 18, 18, 18, 18 }, - .src_descr = "Mix %c", - .src_num_offset = 65, - .dst_descr = "Mixer Input %02d Capture" - }, - [SCARLETT2_PORT_TYPE_PCM] = { - .id = 0x600, - .num = { 20, 18, 18, 14, 10 }, - .src_descr = "PCM %d", - .src_num_offset = 1, - .dst_descr = "PCM %02d Capture" - }, + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 8, 10 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 8 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 18 }, + [SCARLETT2_PORT_TYPE_PCM] = { 20, 18 }, }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 18 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_ADAT, 0, 8 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 14 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_ADAT, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 8 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 18 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 6 }, + { 0, 0, 0 }, + } }, +}; + +static const struct scarlett2_device_info solo_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8211), + + .has_msd_mode = 1, + .level_input_count = 1, + .level_input_first = 1, + .air_input_count = 1, + .phantom_count = 1, + .inputs_per_phantom = 1, + .direct_monitor = 1, +}; + +static const struct scarlett2_device_info s2i2_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8210), + + .has_msd_mode = 1, + .level_input_count = 2, + .air_input_count = 2, + .phantom_count = 1, + .inputs_per_phantom = 2, + .direct_monitor = 2, +}; + +static const struct scarlett2_device_info s4i4_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8212), + + .has_msd_mode = 1, + .has_mixer = 1, + .level_input_count = 2, + .pad_input_count = 2, + .air_input_count = 2, + .phantom_count = 1, + .inputs_per_phantom = 2, + + .line_out_descrs = { + "Monitor L", + "Monitor R", + "Headphones L", + "Headphones R", + }, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 4, 4 }, + [SCARLETT2_PORT_TYPE_MIX] = { 6, 8 }, + [SCARLETT2_PORT_TYPE_PCM] = { 4, 6 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 16 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 16 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 16 }, + { 0, 0, 0 }, + } }, +}; + +static const struct scarlett2_device_info s8i6_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8213), + + .has_msd_mode = 1, + .has_mixer = 1, + .level_input_count = 2, + .pad_input_count = 2, + .air_input_count = 2, + .phantom_count = 1, + .inputs_per_phantom = 2, + + .line_out_descrs = { + "Headphones 1 L", + "Headphones 1 R", + "Headphones 2 L", + "Headphones 2 R", + }, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 6, 4 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_MIX] = { 8, 8 }, + [SCARLETT2_PORT_TYPE_PCM] = { 6, 10 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 8 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 8, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 18 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 8 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 8, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 18 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 8 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 8, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 8 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 18 }, + { 0, 0, 0 }, + } }, +}; + +static const struct scarlett2_device_info s18i8_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8214), + + .has_msd_mode = 1, + .has_mixer = 1, + .line_out_hw_vol = 1, + .has_speaker_switching = 1, + .level_input_count = 2, + .pad_input_count = 4, + .air_input_count = 4, + .phantom_count = 2, + .inputs_per_phantom = 2, + + .line_out_remap_enable = 1, + .line_out_remap = { 0, 1, 6, 7, 2, 3, 4, 5 }, + + .line_out_descrs = { + "Monitor L", + "Monitor R", + "Alt Monitor L", + "Alt Monitor R", + "Headphones 1 L", + "Headphones 1 R", + "Headphones 2 L", + "Headphones 2 R", + }, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 8, 8 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 0 }, + [SCARLETT2_PORT_TYPE_MIX] = { 10, 20 }, + [SCARLETT2_PORT_TYPE_PCM] = { 8, 20 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_PCM, 12, 8 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 6, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 2, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 10, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 20 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 10 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_PCM, 12, 4 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 6, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 2, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 10, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 20 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 10 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 6, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 2, 4 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 20 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 10 }, + { 0, 0, 0 }, + } }, +}; + +static const struct scarlett2_device_info s18i20_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8215), + + .has_msd_mode = 1, + .has_mixer = 1, + .line_out_hw_vol = 1, + .has_speaker_switching = 1, + .has_talkback = 1, + .level_input_count = 2, + .pad_input_count = 8, + .air_input_count = 8, + .phantom_count = 2, + .inputs_per_phantom = 4, + + .line_out_descrs = { + "Monitor 1 L", + "Monitor 1 R", + "Monitor 2 L", + "Monitor 2 R", + NULL, + NULL, + "Headphones 1 L", + "Headphones 1 R", + "Headphones 2 L", + "Headphones 2 R", + }, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 9, 10 }, + [SCARLETT2_PORT_TYPE_SPDIF] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_ADAT] = { 8, 8 }, + [SCARLETT2_PORT_TYPE_MIX] = { 12, 25 }, + [SCARLETT2_PORT_TYPE_PCM] = { 20, 20 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_PCM, 0, 8 }, + { SCARLETT2_PORT_TYPE_PCM, 10, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_ADAT, 0, 8 }, + { SCARLETT2_PORT_TYPE_PCM, 8, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 25 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 12 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 8 }, + { SCARLETT2_PORT_TYPE_PCM, 10, 8 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_ADAT, 0, 8 }, + { SCARLETT2_PORT_TYPE_PCM, 8, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 25 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 10 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_PCM, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 10 }, + { SCARLETT2_PORT_TYPE_SPDIF, 0, 2 }, + { SCARLETT2_PORT_TYPE_NONE, 0, 24 }, + { 0, 0, 0 }, + } }, +}; + +static const struct scarlett2_device_info *scarlett2_devices[] = { + /* Supported Gen 2 devices */ + &s6i6_gen2_info, + &s18i8_gen2_info, + &s18i20_gen2_info, + + /* Supported Gen 3 devices */ + &solo_gen3_info, + &s2i2_gen3_info, + &s4i4_gen3_info, + &s8i6_gen3_info, + &s18i8_gen3_info, + &s18i20_gen3_info, + + /* End of list */ + NULL }; /* get the starting port index number for a given port type/direction */ -static int scarlett2_get_port_start_num(const struct scarlett2_ports *ports, - int direction, int port_type) +static int scarlett2_get_port_start_num( + const int port_count[][SCARLETT2_PORT_DIRNS], + int direction, int port_type) { int i, num = 0; for (i = 0; i < port_type; i++) - num += ports[i].num[direction]; + num += port_count[i][direction]; return num; } /*** USB Interactions ***/ -/* Vendor-Specific Interface, Endpoint, MaxPacketSize, Interval */ -#define SCARLETT2_USB_VENDOR_SPECIFIC_INTERFACE 5 -#define SCARLETT2_USB_INTERRUPT_ENDPOINT 4 -#define SCARLETT2_USB_INTERRUPT_MAX_DATA 64 -#define SCARLETT2_USB_INTERRUPT_INTERVAL 3 - -/* Interrupt flags for volume and mute/dim button changes */ -#define SCARLETT2_USB_INTERRUPT_VOL_CHANGE 0x400000 -#define SCARLETT2_USB_INTERRUPT_BUTTON_CHANGE 0x200000 +/* Notifications from the interface */ +#define SCARLETT2_USB_NOTIFY_SYNC 0x00000008 +#define SCARLETT2_USB_NOTIFY_DIM_MUTE 0x00200000 +#define SCARLETT2_USB_NOTIFY_MONITOR 0x00400000 +#define SCARLETT2_USB_NOTIFY_INPUT_OTHER 0x00800000 +#define SCARLETT2_USB_NOTIFY_MONITOR_OTHER 0x01000000 /* Commands for sending/receiving requests/responses */ -#define SCARLETT2_USB_VENDOR_SPECIFIC_CMD_REQ 2 -#define SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP 3 - -#define SCARLETT2_USB_INIT_SEQ 0x00000000 -#define SCARLETT2_USB_GET_METER_LEVELS 0x00001001 -#define SCARLETT2_USB_SET_MIX 0x00002002 -#define SCARLETT2_USB_SET_MUX 0x00003002 -#define SCARLETT2_USB_GET_DATA 0x00800000 -#define SCARLETT2_USB_SET_DATA 0x00800001 -#define SCARLETT2_USB_DATA_CMD 0x00800002 +#define SCARLETT2_USB_CMD_INIT 0 +#define SCARLETT2_USB_CMD_REQ 2 +#define SCARLETT2_USB_CMD_RESP 3 + +#define SCARLETT2_USB_INIT_1 0x00000000 +#define SCARLETT2_USB_INIT_2 0x00000002 +#define SCARLETT2_USB_GET_METER 0x00001001 +#define SCARLETT2_USB_GET_MIX 0x00002001 +#define SCARLETT2_USB_SET_MIX 0x00002002 +#define SCARLETT2_USB_GET_MUX 0x00003001 +#define SCARLETT2_USB_SET_MUX 0x00003002 +#define SCARLETT2_USB_GET_SYNC 0x00006004 +#define SCARLETT2_USB_GET_DATA 0x00800000 +#define SCARLETT2_USB_SET_DATA 0x00800001 +#define SCARLETT2_USB_DATA_CMD 0x00800002 + #define SCARLETT2_USB_CONFIG_SAVE 6 #define SCARLETT2_USB_VOLUME_STATUS_OFFSET 0x31 #define SCARLETT2_USB_METER_LEVELS_GET_MAGIC 1 -/* volume status is read together (matches scarlett2_config_items[]) */ +/* volume status is read together (matches scarlett2_config_items[1]) */ struct scarlett2_usb_volume_status { - /* mute & dim buttons */ - u8 buttons[SCARLETT2_BUTTON_MAX]; + /* dim/mute buttons */ + u8 dim_mute[SCARLETT2_DIM_MUTE_COUNT]; u8 pad1; @@ -488,7 +904,8 @@ struct scarlett2_usb_volume_status { /* actual volume of output inc. dim (-18dB) */ s16 hw_vol[SCARLETT2_ANALOGUE_MAX]; - u8 pad2[SCARLETT2_ANALOGUE_MAX]; + /* internal mute buttons */ + u8 mute_switch[SCARLETT2_ANALOGUE_MAX]; /* sw (0) or hw (1) controlled */ u8 sw_hw_switch[SCARLETT2_ANALOGUE_MAX]; @@ -501,16 +918,25 @@ struct scarlett2_usb_volume_status { /* Configuration parameters that can be read and written */ enum { - SCARLETT2_CONFIG_BUTTONS = 0, + SCARLETT2_CONFIG_DIM_MUTE = 0, SCARLETT2_CONFIG_LINE_OUT_VOLUME = 1, - SCARLETT2_CONFIG_SW_HW_SWITCH = 2, - SCARLETT2_CONFIG_LEVEL_SWITCH = 3, - SCARLETT2_CONFIG_PAD_SWITCH = 4, - SCARLETT2_CONFIG_COUNT = 5 + SCARLETT2_CONFIG_MUTE_SWITCH = 2, + SCARLETT2_CONFIG_SW_HW_SWITCH = 3, + SCARLETT2_CONFIG_LEVEL_SWITCH = 4, + SCARLETT2_CONFIG_PAD_SWITCH = 5, + SCARLETT2_CONFIG_MSD_SWITCH = 6, + SCARLETT2_CONFIG_AIR_SWITCH = 7, + SCARLETT2_CONFIG_PHANTOM_SWITCH = 8, + SCARLETT2_CONFIG_PHANTOM_PERSISTENCE = 9, + SCARLETT2_CONFIG_DIRECT_MONITOR = 10, + SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH = 11, + SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE = 12, + SCARLETT2_CONFIG_TALKBACK_MAP = 13, + SCARLETT2_CONFIG_COUNT = 14 }; /* Location, size, and activation command number for the configuration - * parameters + * parameters. Size is in bits and may be 1, 8, or 16. */ struct scarlett2_config { u8 offset; @@ -518,43 +944,73 @@ struct scarlett2_config { u8 activate; }; +/* scarlett2_config_items[0] is for devices without a mixer + * scarlett2_config_items[1] is for devices with a mixer + */ static const struct scarlett2_config - scarlett2_config_items[SCARLETT2_CONFIG_COUNT] = { - /* Mute/Dim Buttons */ - { - .offset = 0x31, - .size = 1, - .activate = 2 - }, + scarlett2_config_items[2][SCARLETT2_CONFIG_COUNT] = - /* Line Out Volume */ - { - .offset = 0x34, - .size = 2, - .activate = 1 - }, +/* Devices without a mixer (Solo and 2i2 Gen 3) */ +{ { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x04, .size = 8, .activate = 6 }, - /* SW/HW Volume Switch */ - { - .offset = 0x66, - .size = 1, - .activate = 3 - }, + [SCARLETT2_CONFIG_PHANTOM_PERSISTENCE] = { + .offset = 0x05, .size = 8, .activate = 6 }, - /* Level Switch */ - { - .offset = 0x7c, - .size = 1, - .activate = 7 - }, + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x06, .size = 8, .activate = 3 }, - /* Pad Switch */ - { - .offset = 0x84, - .size = 1, - .activate = 8 - } -}; + [SCARLETT2_CONFIG_DIRECT_MONITOR] = { + .offset = 0x07, .size = 8, .activate = 4 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x08, .size = 1, .activate = 7 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x09, .size = 1, .activate = 8 }, + +/* Devices with a mixer (Gen 2 and all other Gen 3) */ +}, { + [SCARLETT2_CONFIG_DIM_MUTE] = { + .offset = 0x31, .size = 8, .activate = 2 }, + + [SCARLETT2_CONFIG_LINE_OUT_VOLUME] = { + .offset = 0x34, .size = 16, .activate = 1 }, + + [SCARLETT2_CONFIG_MUTE_SWITCH] = { + .offset = 0x5c, .size = 8, .activate = 1 }, + + [SCARLETT2_CONFIG_SW_HW_SWITCH] = { + .offset = 0x66, .size = 8, .activate = 3 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x7c, .size = 8, .activate = 7 }, + + [SCARLETT2_CONFIG_PAD_SWITCH] = { + .offset = 0x84, .size = 8, .activate = 8 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x8c, .size = 8, .activate = 8 }, + + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x9c, .size = 1, .activate = 8 }, + + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x9d, .size = 8, .activate = 6 }, + + [SCARLETT2_CONFIG_PHANTOM_PERSISTENCE] = { + .offset = 0x9e, .size = 8, .activate = 6 }, + + [SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH] = { + .offset = 0x9f, .size = 1, .activate = 10 }, + + [SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE] = { + .offset = 0xa0, .size = 1, .activate = 10 }, + + [SCARLETT2_CONFIG_TALKBACK_MAP] = { + .offset = 0xb0, .size = 16, .activate = 10 }, +} }; /* proprietary request/response format */ struct scarlett2_usb_packet { @@ -566,9 +1022,7 @@ struct scarlett2_usb_packet { u8 data[]; }; -#define SCARLETT2_USB_PACKET_LEN (sizeof(struct scarlett2_usb_packet)) - -static void scarlett2_fill_request_header(struct scarlett2_mixer_data *private, +static void scarlett2_fill_request_header(struct scarlett2_data *private, struct scarlett2_usb_packet *req, u32 cmd, u16 req_size) { @@ -582,16 +1036,35 @@ static void scarlett2_fill_request_header(struct scarlett2_mixer_data *private, req->pad = 0; } +static int scarlett2_usb_tx(struct usb_device *dev, int interface, + void *buf, u16 size) +{ + return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), + SCARLETT2_USB_CMD_REQ, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + 0, interface, buf, size); +} + +static int scarlett2_usb_rx(struct usb_device *dev, int interface, + u32 usb_req, void *buf, u16 size) +{ + return snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), + usb_req, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + 0, interface, buf, size); +} + /* Send a proprietary format request to the Scarlett interface */ static int scarlett2_usb( struct usb_mixer_interface *mixer, u32 cmd, void *req_data, u16 req_size, void *resp_data, u16 resp_size) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; + struct usb_device *dev = mixer->chip->dev; u16 req_buf_size = sizeof(struct scarlett2_usb_packet) + req_size; u16 resp_buf_size = sizeof(struct scarlett2_usb_packet) + resp_size; - struct scarlett2_usb_packet *req = NULL, *resp = NULL; - int err = 0; + struct scarlett2_usb_packet *req, *resp = NULL; + int err; req = kmalloc(req_buf_size, GFP_KERNEL); if (!req) { @@ -614,19 +1087,13 @@ static int scarlett2_usb( if (req_size) memcpy(req->data, req_data, req_size); - err = snd_usb_ctl_msg(mixer->chip->dev, - usb_sndctrlpipe(mixer->chip->dev, 0), - SCARLETT2_USB_VENDOR_SPECIFIC_CMD_REQ, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - 0, - SCARLETT2_USB_VENDOR_SPECIFIC_INTERFACE, - req, - req_buf_size); + err = scarlett2_usb_tx(dev, private->bInterfaceNumber, + req, req_buf_size); if (err != req_buf_size) { usb_audio_err( mixer->chip, - "Scarlett Gen 2 USB request result cmd %x was %d\n", + "Scarlett Gen 2/3 USB request result cmd %x was %d\n", cmd, err); err = -EINVAL; goto unlock; @@ -634,34 +1101,34 @@ static int scarlett2_usb( /* send a second message to get the response */ - err = snd_usb_ctl_msg(mixer->chip->dev, - usb_rcvctrlpipe(mixer->chip->dev, 0), - SCARLETT2_USB_VENDOR_SPECIFIC_CMD_RESP, - USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - 0, - SCARLETT2_USB_VENDOR_SPECIFIC_INTERFACE, - resp, - resp_buf_size); + err = scarlett2_usb_rx(dev, private->bInterfaceNumber, + SCARLETT2_USB_CMD_RESP, + resp, resp_buf_size); /* validate the response */ if (err != resp_buf_size) { usb_audio_err( mixer->chip, - "Scarlett Gen 2 USB response result cmd %x was %d\n", - cmd, err); + "Scarlett Gen 2/3 USB response result cmd %x was %d " + "expected %d\n", + cmd, err, resp_buf_size); err = -EINVAL; goto unlock; } + /* cmd/seq/size should match except when initialising + * seq sent = 1, response = 0 + */ if (resp->cmd != req->cmd || - resp->seq != req->seq || + (resp->seq != req->seq && + (le16_to_cpu(req->seq) != 1 || resp->seq != 0)) || resp_size != le16_to_cpu(resp->size) || resp->error || resp->pad) { usb_audio_err( mixer->chip, - "Scarlett Gen 2 USB invalid response; " + "Scarlett Gen 2/3 USB invalid response; " "cmd tx/rx %d/%d seq %d/%d size %d/%d " "error %d pad %d\n", le32_to_cpu(req->cmd), le32_to_cpu(resp->cmd), @@ -673,7 +1140,7 @@ static int scarlett2_usb( goto unlock; } - if (resp_size > 0) + if (resp_data && resp_size > 0) memcpy(resp_data, resp->data, resp_size); unlock: @@ -684,6 +1151,63 @@ error: return err; } +/* Send a USB message to get data; result placed in *buf */ +static int scarlett2_usb_get( + struct usb_mixer_interface *mixer, + int offset, void *buf, int size) +{ + struct { + __le32 offset; + __le32 size; + } __packed req; + + req.offset = cpu_to_le32(offset); + req.size = cpu_to_le32(size); + return scarlett2_usb(mixer, SCARLETT2_USB_GET_DATA, + &req, sizeof(req), buf, size); +} + +/* Send a USB message to get configuration parameters; result placed in *buf */ +static int scarlett2_usb_get_config( + struct usb_mixer_interface *mixer, + int config_item_num, int count, void *buf) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const struct scarlett2_config *config_item = + &scarlett2_config_items[info->has_mixer][config_item_num]; + int size, err, i; + u8 *buf_8; + u8 value; + + /* For byte-sized parameters, retrieve directly into buf */ + if (config_item->size >= 8) { + size = config_item->size / 8 * count; + err = scarlett2_usb_get(mixer, config_item->offset, buf, size); + if (err < 0) + return err; + if (size == 2) { + u16 *buf_16 = buf; + + for (i = 0; i < count; i++, buf_16++) + *buf_16 = le16_to_cpu(*(__le16 *)buf_16); + } + return 0; + } + + /* For bit-sized parameters, retrieve into value */ + err = scarlett2_usb_get(mixer, config_item->offset, &value, 1); + if (err < 0) + return err; + + /* then unpack from value into buf[] */ + buf_8 = buf; + for (i = 0; i < 8 && i < count; i++, value >>= 1) + *buf_8++ = value & 1; + + return 0; +} + /* Send SCARLETT2_USB_DATA_CMD SCARLETT2_USB_CONFIG_SAVE */ static void scarlett2_config_save(struct usb_mixer_interface *mixer) { @@ -697,82 +1221,97 @@ static void scarlett2_config_save(struct usb_mixer_interface *mixer) /* Delayed work to save config */ static void scarlett2_config_save_work(struct work_struct *work) { - struct scarlett2_mixer_data *private = - container_of(work, struct scarlett2_mixer_data, work.work); + struct scarlett2_data *private = + container_of(work, struct scarlett2_data, work.work); scarlett2_config_save(private->mixer); } -/* Send a USB message to set a configuration parameter (volume level, - * sw/hw volume switch, line/inst level switch, or pad switch) - */ +/* Send a USB message to set a SCARLETT2_CONFIG_* parameter */ static int scarlett2_usb_set_config( struct usb_mixer_interface *mixer, int config_item_num, int index, int value) { - const struct scarlett2_config config_item = - scarlett2_config_items[config_item_num]; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const struct scarlett2_config *config_item = + &scarlett2_config_items[info->has_mixer][config_item_num]; struct { __le32 offset; __le32 bytes; __le32 value; } __packed req; __le32 req2; + int offset, size; int err; - struct scarlett2_mixer_data *private = mixer->private_data; /* Cancel any pending NVRAM save */ cancel_delayed_work_sync(&private->work); + /* Convert config_item->size in bits to size in bytes and + * calculate offset + */ + if (config_item->size >= 8) { + size = config_item->size / 8; + offset = config_item->offset + index * size; + + /* If updating a bit, retrieve the old value, set/clear the + * bit as needed, and update value + */ + } else { + u8 tmp; + + size = 1; + offset = config_item->offset; + + scarlett2_usb_get(mixer, offset, &tmp, 1); + if (value) + tmp |= (1 << index); + else + tmp &= ~(1 << index); + + value = tmp; + } + /* Send the configuration parameter data */ - req.offset = cpu_to_le32(config_item.offset + index * config_item.size); - req.bytes = cpu_to_le32(config_item.size); + req.offset = cpu_to_le32(offset); + req.bytes = cpu_to_le32(size); req.value = cpu_to_le32(value); err = scarlett2_usb(mixer, SCARLETT2_USB_SET_DATA, - &req, sizeof(u32) * 2 + config_item.size, + &req, sizeof(u32) * 2 + size, NULL, 0); if (err < 0) return err; /* Activate the change */ - req2 = cpu_to_le32(config_item.activate); + req2 = cpu_to_le32(config_item->activate); err = scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, &req2, sizeof(req2), NULL, 0); if (err < 0) return err; /* Schedule the change to be written to NVRAM */ - schedule_delayed_work(&private->work, msecs_to_jiffies(2000)); + if (config_item->activate != SCARLETT2_USB_CONFIG_SAVE) + schedule_delayed_work(&private->work, msecs_to_jiffies(2000)); return 0; } -/* Send a USB message to get data; result placed in *buf */ -static int scarlett2_usb_get( +/* Send a USB message to get sync status; result placed in *sync */ +static int scarlett2_usb_get_sync_status( struct usb_mixer_interface *mixer, - int offset, void *buf, int size) + u8 *sync) { - struct { - __le32 offset; - __le32 size; - } __packed req; - - req.offset = cpu_to_le32(offset); - req.size = cpu_to_le32(size); - return scarlett2_usb(mixer, SCARLETT2_USB_GET_DATA, - &req, sizeof(req), buf, size); -} + __le32 data; + int err; -/* Send a USB message to get configuration parameters; result placed in *buf */ -static int scarlett2_usb_get_config( - struct usb_mixer_interface *mixer, - int config_item_num, int count, void *buf) -{ - const struct scarlett2_config config_item = - scarlett2_config_items[config_item_num]; - int size = config_item.size * count; + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_SYNC, + NULL, 0, &data, sizeof(data)); + if (err < 0) + return err; - return scarlett2_usb_get(mixer, config_item.offset, buf, size); + *sync = !!data; + return 0; } /* Send a USB message to get volume status; result placed in *buf */ @@ -784,13 +1323,56 @@ static int scarlett2_usb_get_volume_status( buf, sizeof(*buf)); } +/* Send a USB message to get the volumes for all inputs of one mix + * and put the values into private->mix[] + */ +static int scarlett2_usb_get_mix(struct usb_mixer_interface *mixer, + int mix_num) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + int num_mixer_in = + info->port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + int err, i, j, k; + + struct { + __le16 mix_num; + __le16 count; + } __packed req; + + __le16 data[SCARLETT2_INPUT_MIX_MAX]; + + req.mix_num = cpu_to_le16(mix_num); + req.count = cpu_to_le16(num_mixer_in); + + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_MIX, + &req, sizeof(req), + data, num_mixer_in * sizeof(u16)); + if (err < 0) + return err; + + for (i = 0, j = mix_num * num_mixer_in; i < num_mixer_in; i++, j++) { + u16 mixer_value = le16_to_cpu(data[i]); + + for (k = 0; k < SCARLETT2_MIXER_VALUE_COUNT; k++) + if (scarlett2_mixer_values[k] >= mixer_value) + break; + if (k == SCARLETT2_MIXER_VALUE_COUNT) + k = SCARLETT2_MIXER_MAX_VALUE; + private->mix[j] = k; + } + + return 0; +} + /* Send a USB message to set the volumes for all inputs of one mix * (values obtained from private->mix[]) */ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, - int mix_num) + int mix_num) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; struct { @@ -800,7 +1382,7 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, int i, j; int num_mixer_in = - info->ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; + info->port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; req.mix_num = cpu_to_le16(mix_num); @@ -814,40 +1396,120 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, NULL, 0); } -/* Convert a port number index (per info->ports) to a hardware ID */ -static u32 scarlett2_mux_src_num_to_id(const struct scarlett2_ports *ports, - int num) +/* Convert a port number index (per info->port_count) to a hardware ID */ +static u32 scarlett2_mux_src_num_to_id( + const int port_count[][SCARLETT2_PORT_DIRNS], int num) +{ + int port_type; + + for (port_type = 0; + port_type < SCARLETT2_PORT_TYPE_COUNT; + port_type++) { + if (num < port_count[port_type][SCARLETT2_PORT_IN]) + return scarlett2_ports[port_type].id | num; + num -= port_count[port_type][SCARLETT2_PORT_IN]; + } + + /* Oops */ + return 0; +} + +/* Convert a hardware ID to a port number index */ +static u32 scarlett2_mux_id_to_num( + const int port_count[][SCARLETT2_PORT_DIRNS], int direction, u32 id) { int port_type; + int port_num = 0; for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - if (num < ports[port_type].num[SCARLETT2_PORT_IN]) - return ports[port_type].id | num; - num -= ports[port_type].num[SCARLETT2_PORT_IN]; + int base = scarlett2_ports[port_type].id; + int count = port_count[port_type][direction]; + + if (id >= base && id < base + count) + return port_num + id - base; + port_num += count; } /* Oops */ + return -1; +} + +/* Convert one mux entry from the interface and load into private->mux[] */ +static void scarlett2_usb_populate_mux(struct scarlett2_data *private, + u32 mux_entry) +{ + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + + int dst_idx, src_idx; + + dst_idx = scarlett2_mux_id_to_num(port_count, SCARLETT2_PORT_OUT, + mux_entry & 0xFFF); + if (dst_idx < 0) + return; + + if (dst_idx >= private->num_mux_dsts) { + usb_audio_err(private->mixer->chip, + "BUG: scarlett2_mux_id_to_num(%06x, OUT): %d >= %d", + mux_entry, dst_idx, private->num_mux_dsts); + return; + } + + src_idx = scarlett2_mux_id_to_num(port_count, SCARLETT2_PORT_IN, + mux_entry >> 12); + if (src_idx < 0) + return; + + if (src_idx >= private->num_mux_srcs) { + usb_audio_err(private->mixer->chip, + "BUG: scarlett2_mux_id_to_num(%06x, IN): %d >= %d", + mux_entry, src_idx, private->num_mux_srcs); + return; + } + + private->mux[dst_idx] = src_idx; +} + +/* Send USB message to get mux inputs and then populate private->mux[] */ +static int scarlett2_usb_get_mux(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int count = private->num_mux_dsts; + int err, i; + + struct { + __le16 num; + __le16 count; + } __packed req; + + __le32 data[SCARLETT2_MUX_MAX]; + + private->mux_updated = 0; + + req.num = 0; + req.count = cpu_to_le16(count); + + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_MUX, + &req, sizeof(req), + data, count * sizeof(u32)); + if (err < 0) + return err; + + for (i = 0; i < count; i++) + scarlett2_usb_populate_mux(private, le32_to_cpu(data[i])); + return 0; } /* Send USB messages to set mux inputs */ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; - int rate, port_dir_rate; - - static const int assignment_order[SCARLETT2_PORT_TYPE_COUNT] = { - SCARLETT2_PORT_TYPE_PCM, - SCARLETT2_PORT_TYPE_ANALOGUE, - SCARLETT2_PORT_TYPE_SPDIF, - SCARLETT2_PORT_TYPE_ADAT, - SCARLETT2_PORT_TYPE_MIX, - SCARLETT2_PORT_TYPE_NONE, - }; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int table; struct { __le16 pad; @@ -857,43 +1519,44 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) req.pad = 0; - /* mux settings for each rate */ - for (rate = 0, port_dir_rate = SCARLETT2_PORT_OUT_44; - port_dir_rate <= SCARLETT2_PORT_OUT_176; - rate++, port_dir_rate++) { - int order_num, i, err; - - req.num = cpu_to_le16(rate); - - for (order_num = 0, i = 0; - order_num < SCARLETT2_PORT_TYPE_COUNT; - order_num++) { - int port_type = assignment_order[order_num]; - int j = scarlett2_get_port_start_num(ports, - SCARLETT2_PORT_OUT, - port_type); - int port_id = ports[port_type].id; - int channel; - - for (channel = 0; - channel < ports[port_type].num[port_dir_rate]; - channel++, i++, j++) - /* lower 12 bits for the destination and - * next 12 bits for the source - */ - req.data[i] = !port_id - ? 0 - : cpu_to_le32( - port_id | - channel | - scarlett2_mux_src_num_to_id( - ports, private->mux[j] - ) << 12 - ); - - /* skip private->mux[j] entries not output */ - j += ports[port_type].num[SCARLETT2_PORT_OUT] - - ports[port_type].num[port_dir_rate]; + /* set mux settings for each rate */ + for (table = 0; table < SCARLETT2_MUX_TABLES; table++) { + const struct scarlett2_mux_entry *entry; + + /* i counts over the output array */ + int i = 0, err; + + req.num = cpu_to_le16(table); + + /* loop through each entry */ + for (entry = info->mux_assignment[table]; + entry->count; + entry++) { + int j; + int port_type = entry->port_type; + int port_idx = entry->start; + int mux_idx = scarlett2_get_port_start_num(port_count, + SCARLETT2_PORT_OUT, port_type) + port_idx; + int dst_id = scarlett2_ports[port_type].id + port_idx; + + /* Empty slots */ + if (!dst_id) { + for (j = 0; j < entry->count; j++) + req.data[i++] = 0; + continue; + } + + /* Non-empty mux slots use the lower 12 bits + * for the destination and next 12 bits for + * the source + */ + for (j = 0; j < entry->count; j++) { + int src_id = scarlett2_mux_src_num_to_id( + port_count, private->mux[mux_idx++]); + req.data[i++] = cpu_to_le32(dst_id | + src_id << 12); + dst_id++; + } } err = scarlett2_usb(mixer, SCARLETT2_USB_SET_MUX, @@ -908,26 +1571,26 @@ static int scarlett2_usb_set_mux(struct usb_mixer_interface *mixer) /* Send USB message to get meter levels */ static int scarlett2_usb_get_meter_levels(struct usb_mixer_interface *mixer, - u16 *levels) + u16 num_meters, u16 *levels) { struct { __le16 pad; __le16 num_meters; __le32 magic; } __packed req; - u32 resp[SCARLETT2_NUM_METERS]; + u32 resp[SCARLETT2_MAX_METERS]; int i, err; req.pad = 0; - req.num_meters = cpu_to_le16(SCARLETT2_NUM_METERS); + req.num_meters = cpu_to_le16(num_meters); req.magic = cpu_to_le32(SCARLETT2_USB_METER_LEVELS_GET_MAGIC); - err = scarlett2_usb(mixer, SCARLETT2_USB_GET_METER_LEVELS, - &req, sizeof(req), resp, sizeof(resp)); + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_METER, + &req, sizeof(req), resp, num_meters * sizeof(u32)); if (err < 0) return err; /* copy, convert to u16 */ - for (i = 0; i < SCARLETT2_NUM_METERS; i++) + for (i = 0; i < num_meters; i++) levels[i] = resp[i]; return 0; @@ -949,10 +1612,15 @@ static int scarlett2_add_new_ctl(struct usb_mixer_interface *mixer, if (!elem) return -ENOMEM; + /* We set USB_MIXER_BESPOKEN type, so that the core USB mixer code + * ignores them for resume and other operations. + * Also, the head.id field is set to 0, as we don't use this field. + */ elem->head.mixer = mixer; elem->control = index; - elem->head.id = index; + elem->head.id = 0; elem->channels = channels; + elem->val_type = USB_MIXER_BESPOKEN; kctl = snd_ctl_new1(ncontrol, elem); if (!kctl) { @@ -973,6 +1641,64 @@ static int scarlett2_add_new_ctl(struct usb_mixer_interface *mixer, return 0; } +/*** Sync Control ***/ + +/* Update sync control after receiving notification that the status + * has changed + */ +static int scarlett2_update_sync(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + private->sync_updated = 0; + return scarlett2_usb_get_sync_status(mixer, &private->sync); +} + +static int scarlett2_sync_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *uinfo) +{ + static const char *texts[2] = { + "Unlocked", "Locked" + }; + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + +static int scarlett2_sync_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->sync_updated) + scarlett2_update_sync(mixer); + ucontrol->value.enumerated.item[0] = private->sync; + mutex_unlock(&private->data_mutex); + + return 0; +} + +static const struct snd_kcontrol_new scarlett2_sync_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .name = "", + .info = scarlett2_sync_ctl_info, + .get = scarlett2_sync_ctl_get +}; + +static int scarlett2_add_sync_ctl(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + /* devices without a mixer also don't support reporting sync status */ + if (!private->info->has_mixer) + return 0; + + return scarlett2_add_new_ctl(mixer, &scarlett2_sync_ctl, + 0, 1, "Sync Status", &private->sync_ctl); +} + /*** Analogue Line Out Volume Controls ***/ /* Update hardware volume controls after receiving notification that @@ -980,12 +1706,14 @@ static int scarlett2_add_new_ctl(struct usb_mixer_interface *mixer, */ static int scarlett2_update_volumes(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; struct scarlett2_usb_volume_status volume_status; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int err, i; + int mute; private->vol_updated = 0; @@ -997,13 +1725,17 @@ static int scarlett2_update_volumes(struct usb_mixer_interface *mixer) volume_status.master_vol + SCARLETT2_VOLUME_BIAS, 0, SCARLETT2_VOLUME_BIAS); - for (i = 0; i < num_line_out; i++) { - if (private->vol_sw_hw_switch[i]) - private->vol[i] = private->master_vol; - } + if (info->line_out_hw_vol) + for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) + private->dim_mute[i] = !!volume_status.dim_mute[i]; - for (i = 0; i < private->info->button_count; i++) - private->buttons[i] = !!volume_status.buttons[i]; + mute = private->dim_mute[SCARLETT2_BUTTON_MUTE]; + + for (i = 0; i < num_line_out; i++) + if (private->vol_sw_hw_switch[i]) { + private->vol[i] = private->master_vol; + private->mute_switch[i] = mute; + } return 0; } @@ -1026,31 +1758,38 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; - if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex); ucontrol->value.integer.value[0] = private->master_vol; return 0; } +static int line_out_remap(struct scarlett2_data *private, int index) +{ + const struct scarlett2_device_info *info = private->info; + + if (!info->line_out_remap_enable) + return index; + return info->line_out_remap[index]; +} + static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; - int index = elem->control; + struct scarlett2_data *private = mixer->private_data; + int index = line_out_remap(private, elem->control); - if (private->vol_updated) { - mutex_lock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->vol_updated) scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); - } + mutex_unlock(&private->data_mutex); ucontrol->value.integer.value[0] = private->vol[index]; return 0; @@ -1061,8 +1800,8 @@ static int scarlett2_volume_ctl_put(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; - int index = elem->control; + struct scarlett2_data *private = mixer->private_data; + int index = line_out_remap(private, elem->control); int oval, val, err = 0; mutex_lock(&private->data_mutex); @@ -1111,8 +1850,71 @@ static const struct snd_kcontrol_new scarlett2_line_out_volume_ctl = { .tlv = { .p = db_scale_scarlett2_gain } }; +/*** Mute Switch Controls ***/ + +static int scarlett2_mute_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct scarlett2_data *private = elem->head.mixer->private_data; + int index = line_out_remap(private, elem->control); + + ucontrol->value.integer.value[0] = private->mute_switch[index]; + return 0; +} + +static int scarlett2_mute_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + int index = line_out_remap(private, elem->control); + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->mute_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->mute_switch[index] = val; + + /* Send mute change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_MUTE_SWITCH, + index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_mute_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_mute_ctl_get, + .put = scarlett2_mute_ctl_put, +}; + /*** HW/SW Volume Switch Controls ***/ +static void scarlett2_sw_hw_ctl_ro(struct scarlett2_data *private, int index) +{ + private->sw_hw_ctls[index]->vd[0].access &= + ~SNDRV_CTL_ELEM_ACCESS_WRITE; +} + +static void scarlett2_sw_hw_ctl_rw(struct scarlett2_data *private, int index) +{ + private->sw_hw_ctls[index]->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_WRITE; +} + static int scarlett2_sw_hw_enum_ctl_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { @@ -1127,60 +1929,97 @@ static int scarlett2_sw_hw_enum_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; + struct scarlett2_data *private = elem->head.mixer->private_data; + int index = line_out_remap(private, elem->control); - ucontrol->value.enumerated.item[0] = - private->vol_sw_hw_switch[elem->control]; + ucontrol->value.enumerated.item[0] = private->vol_sw_hw_switch[index]; return 0; } -static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) +static void scarlett2_vol_ctl_set_writable(struct usb_mixer_interface *mixer, + int index, int value) { - struct usb_mixer_elem_info *elem = kctl->private_data; - struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; - - int index = elem->control; - int oval, val, err = 0; + struct scarlett2_data *private = mixer->private_data; + struct snd_card *card = mixer->chip->card; - mutex_lock(&private->data_mutex); + /* Set/Clear write bits */ + if (value) { + private->vol_ctls[index]->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_WRITE; + private->mute_ctls[index]->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_WRITE; + } else { + private->vol_ctls[index]->vd[0].access &= + ~SNDRV_CTL_ELEM_ACCESS_WRITE; + private->mute_ctls[index]->vd[0].access &= + ~SNDRV_CTL_ELEM_ACCESS_WRITE; + } - oval = private->vol_sw_hw_switch[index]; - val = !!ucontrol->value.integer.value[0]; + /* Notify of write bit change */ + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->vol_ctls[index]->id); + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->mute_ctls[index]->id); +} - if (oval == val) - goto unlock; +static int scarlett2_sw_hw_change(struct usb_mixer_interface *mixer, + int ctl_index, int val) +{ + struct scarlett2_data *private = mixer->private_data; + int index = line_out_remap(private, ctl_index); + int err; private->vol_sw_hw_switch[index] = val; /* Change access mode to RO (hardware controlled volume) * or RW (software controlled volume) */ - if (val) - private->vol_ctls[index]->vd[0].access &= - ~SNDRV_CTL_ELEM_ACCESS_WRITE; - else - private->vol_ctls[index]->vd[0].access |= - SNDRV_CTL_ELEM_ACCESS_WRITE; + scarlett2_vol_ctl_set_writable(mixer, ctl_index, !val); - /* Reset volume to master volume */ + /* Reset volume/mute to master volume/mute */ private->vol[index] = private->master_vol; + private->mute_switch[index] = private->dim_mute[SCARLETT2_BUTTON_MUTE]; /* Set SW volume to current HW volume */ err = scarlett2_usb_set_config( mixer, SCARLETT2_CONFIG_LINE_OUT_VOLUME, index, private->master_vol - SCARLETT2_VOLUME_BIAS); if (err < 0) - goto unlock; + return err; - /* Notify of RO/RW change */ - snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_INFO, - &private->vol_ctls[index]->id); + /* Set SW mute to current HW mute */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_MUTE_SWITCH, + index, private->dim_mute[SCARLETT2_BUTTON_MUTE]); + if (err < 0) + return err; /* Send SW/HW switch change to the device */ - err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, - index, val); + return scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, + index, val); +} + +static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + int ctl_index = elem->control; + int index = line_out_remap(private, ctl_index); + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->vol_sw_hw_switch[index]; + val = !!ucontrol->value.enumerated.item[0]; + + if (oval == val) + goto unlock; + + err = scarlett2_sw_hw_change(mixer, ctl_index, val); + if (err == 0) + err = 1; unlock: mutex_unlock(&private->data_mutex); @@ -1197,6 +2036,55 @@ static const struct snd_kcontrol_new scarlett2_sw_hw_enum_ctl = { /*** Line Level/Instrument Level Switch Controls ***/ +static int scarlett2_update_input_other(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_other_updated = 0; + + if (info->level_input_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, + info->level_input_count + info->level_input_first, + private->level_switch); + if (err < 0) + return err; + } + + if (info->pad_input_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PAD_SWITCH, + info->pad_input_count, private->pad_switch); + if (err < 0) + return err; + } + + if (info->air_input_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_AIR_SWITCH, + info->air_input_count, private->air_switch); + if (err < 0) + return err; + } + + if (info->phantom_count) { + int err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PHANTOM_SWITCH, + info->phantom_count, private->phantom_switch); + if (err < 0) + return err; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PHANTOM_PERSISTENCE, + 1, &private->phantom_persistence); + if (err < 0) + return err; + } + + return 0; +} + static int scarlett2_level_enum_ctl_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { @@ -1211,10 +2099,18 @@ static int scarlett2_level_enum_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + int index = elem->control + info->level_input_first; + + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); + ucontrol->value.enumerated.item[0] = private->level_switch[index]; + mutex_unlock(&private->data_mutex); - ucontrol->value.enumerated.item[0] = - private->level_switch[elem->control]; return 0; } @@ -1223,15 +2119,16 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; - int index = elem->control; + int index = elem->control + info->level_input_first; int oval, val, err = 0; mutex_lock(&private->data_mutex); oval = private->level_switch[index]; - val = !!ucontrol->value.integer.value[0]; + val = !!ucontrol->value.enumerated.item[0]; if (oval == val) goto unlock; @@ -1241,6 +2138,8 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, index, val); + if (err == 0) + err = 1; unlock: mutex_unlock(&private->data_mutex); @@ -1261,10 +2160,16 @@ static int scarlett2_pad_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; - ucontrol->value.enumerated.item[0] = + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); + ucontrol->value.integer.value[0] = private->pad_switch[elem->control]; + mutex_unlock(&private->data_mutex); + return 0; } @@ -1273,7 +2178,7 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; int index = elem->control; int oval, val, err = 0; @@ -1291,6 +2196,8 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl, /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PAD_SWITCH, index, val); + if (err == 0) + err = 1; unlock: mutex_unlock(&private->data_mutex); @@ -1305,71 +2212,734 @@ static const struct snd_kcontrol_new scarlett2_pad_ctl = { .put = scarlett2_pad_ctl_put, }; -/*** Mute/Dim Controls ***/ +/*** Air Switch Controls ***/ -static int scarlett2_button_ctl_get(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) +static int scarlett2_air_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; - if (private->vol_updated) { - mutex_lock(&private->data_mutex); - scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); + ucontrol->value.integer.value[0] = private->air_switch[elem->control]; + mutex_unlock(&private->data_mutex); + + return 0; +} + +static int scarlett2_air_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int index = elem->control; + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->air_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->air_switch[index] = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_AIR_SWITCH, + index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_air_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_air_ctl_get, + .put = scarlett2_air_ctl_put, +}; + +/*** Phantom Switch Controls ***/ + +static int scarlett2_phantom_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->input_other_updated) + scarlett2_update_input_other(mixer); + ucontrol->value.integer.value[0] = + private->phantom_switch[elem->control]; + mutex_unlock(&private->data_mutex); + + return 0; +} + +static int scarlett2_phantom_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int index = elem->control; + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->phantom_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->phantom_switch[index] = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PHANTOM_SWITCH, + index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_phantom_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_phantom_ctl_get, + .put = scarlett2_phantom_ctl_put, +}; + +/*** Phantom Persistence Control ***/ + +static int scarlett2_phantom_persistence_ctl_get( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct scarlett2_data *private = elem->head.mixer->private_data; + + ucontrol->value.integer.value[0] = private->phantom_persistence; + return 0; +} + +static int scarlett2_phantom_persistence_ctl_put( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int index = elem->control; + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->phantom_persistence; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->phantom_persistence = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_PHANTOM_PERSISTENCE, index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_phantom_persistence_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_phantom_persistence_ctl_get, + .put = scarlett2_phantom_persistence_ctl_put, +}; + +/*** Direct Monitor Control ***/ + +static int scarlett2_update_monitor_other(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int err; + + /* monitor_other_enable[0] enables speaker switching + * monitor_other_enable[1] enables talkback + */ + u8 monitor_other_enable[2]; + + /* monitor_other_switch[0] activates the alternate speakers + * monitor_other_switch[1] activates talkback + */ + u8 monitor_other_switch[2]; + + private->monitor_other_updated = 0; + + if (info->direct_monitor) + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_DIRECT_MONITOR, + 1, &private->direct_monitor_switch); + + /* if it doesn't do speaker switching then it also doesn't do + * talkback + */ + if (!info->has_speaker_switching) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE, + 2, monitor_other_enable); + if (err < 0) + return err; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH, + 2, monitor_other_switch); + if (err < 0) + return err; + + if (!monitor_other_enable[0]) + private->speaker_switching_switch = 0; + else + private->speaker_switching_switch = monitor_other_switch[0] + 1; + + if (info->has_talkback) { + const int (*port_count)[SCARLETT2_PORT_DIRNS] = + info->port_count; + int num_mixes = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; + u16 bitmap; + int i; + + if (!monitor_other_enable[1]) + private->talkback_switch = 0; + else + private->talkback_switch = monitor_other_switch[1] + 1; + + err = scarlett2_usb_get_config(mixer, + SCARLETT2_CONFIG_TALKBACK_MAP, + 1, &bitmap); + for (i = 0; i < num_mixes; i++, bitmap >>= 1) + private->talkback_map[i] = bitmap & 1; } - ucontrol->value.enumerated.item[0] = private->buttons[elem->control]; return 0; } -static int scarlett2_button_ctl_put(struct snd_kcontrol *kctl, - struct snd_ctl_elem_value *ucontrol) +static int scarlett2_direct_monitor_ctl_get( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = elem->head.mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->monitor_other_updated) + scarlett2_update_monitor_other(mixer); + ucontrol->value.enumerated.item[0] = private->direct_monitor_switch; + mutex_unlock(&private->data_mutex); + + return 0; +} + +static int scarlett2_direct_monitor_ctl_put( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; int index = elem->control; int oval, val, err = 0; mutex_lock(&private->data_mutex); - oval = private->buttons[index]; + oval = private->direct_monitor_switch; + val = min(ucontrol->value.enumerated.item[0], 2U); + + if (oval == val) + goto unlock; + + private->direct_monitor_switch = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_DIRECT_MONITOR, index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_direct_monitor_stereo_enum_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "Off", "Mono", "Stereo" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, values); +} + +/* Direct Monitor for Solo is mono-only and only needs a boolean control + * Direct Monitor for 2i2 is selectable between Off/Mono/Stereo + */ +static const struct snd_kcontrol_new scarlett2_direct_monitor_ctl[2] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_direct_monitor_ctl_get, + .put = scarlett2_direct_monitor_ctl_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_direct_monitor_stereo_enum_ctl_info, + .get = scarlett2_direct_monitor_ctl_get, + .put = scarlett2_direct_monitor_ctl_put, + } +}; + +static int scarlett2_add_direct_monitor_ctl(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + if (!info->direct_monitor) + return 0; + + return scarlett2_add_new_ctl( + mixer, &scarlett2_direct_monitor_ctl[info->direct_monitor - 1], + 0, 1, "Direct Monitor Playback Switch", + &private->direct_monitor_ctl); +} + +/*** Speaker Switching Control ***/ + +static int scarlett2_speaker_switch_enum_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "Off", "Main", "Alt" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, values); +} + +static int scarlett2_speaker_switch_enum_ctl_get( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->monitor_other_updated) + scarlett2_update_monitor_other(mixer); + ucontrol->value.enumerated.item[0] = private->speaker_switching_switch; + mutex_unlock(&private->data_mutex); + + return 0; +} + +/* when speaker switching gets enabled, switch the main/alt speakers + * to HW volume and disable those controls + */ +static int scarlett2_speaker_switch_enable(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + int i, err; + + for (i = 0; i < 4; i++) { + int index = line_out_remap(private, i); + + /* switch the main/alt speakers to HW volume */ + if (!private->vol_sw_hw_switch[index]) { + err = scarlett2_sw_hw_change(private->mixer, i, 1); + if (err < 0) + return err; + } + + /* disable the line out SW/HW switch */ + scarlett2_sw_hw_ctl_ro(private, i); + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->sw_hw_ctls[i]->id); + } + + /* when the next monitor-other notify comes in, update the mux + * configuration + */ + private->speaker_switching_switched = 1; + + return 0; +} + +/* when speaker switching gets disabled, reenable the hw/sw controls + * and invalidate the routing + */ +static void scarlett2_speaker_switch_disable(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + int i; + + /* enable the line out SW/HW switch */ + for (i = 0; i < 4; i++) { + scarlett2_sw_hw_ctl_rw(private, i); + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->sw_hw_ctls[i]->id); + } + + /* when the next monitor-other notify comes in, update the mux + * configuration + */ + private->speaker_switching_switched = 1; +} + +static int scarlett2_speaker_switch_enum_ctl_put( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->speaker_switching_switch; + val = min(ucontrol->value.enumerated.item[0], 2U); + + if (oval == val) + goto unlock; + + private->speaker_switching_switch = val; + + /* enable/disable speaker switching */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE, + 0, !!val); + if (err < 0) + goto unlock; + + /* if speaker switching is enabled, select main or alt */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH, + 0, val == 2); + if (err < 0) + goto unlock; + + /* update controls if speaker switching gets enabled or disabled */ + if (!oval && val) + err = scarlett2_speaker_switch_enable(mixer); + else if (oval && !val) + scarlett2_speaker_switch_disable(mixer); + + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_speaker_switch_enum_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_speaker_switch_enum_ctl_info, + .get = scarlett2_speaker_switch_enum_ctl_get, + .put = scarlett2_speaker_switch_enum_ctl_put, +}; + +static int scarlett2_add_speaker_switch_ctl( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + if (!info->has_speaker_switching) + return 0; + + return scarlett2_add_new_ctl( + mixer, &scarlett2_speaker_switch_enum_ctl, + 0, 1, "Speaker Switching Playback Enum", + &private->speaker_switching_ctl); +} + +/*** Talkback and Talkback Map Controls ***/ + +static int scarlett2_talkback_enum_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "Disabled", "Off", "On" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, values); +} + +static int scarlett2_talkback_enum_ctl_get( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->monitor_other_updated) + scarlett2_update_monitor_other(mixer); + ucontrol->value.enumerated.item[0] = private->talkback_switch; + mutex_unlock(&private->data_mutex); + + return 0; +} + +static int scarlett2_talkback_enum_ctl_put( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->talkback_switch; + val = min(ucontrol->value.enumerated.item[0], 2U); + + if (oval == val) + goto unlock; + + private->talkback_switch = val; + + /* enable/disable talkback */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE, + 1, !!val); + if (err < 0) + goto unlock; + + /* if talkback is enabled, select main or alt */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH, + 1, val == 2); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_talkback_enum_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_talkback_enum_ctl_info, + .get = scarlett2_talkback_enum_ctl_get, + .put = scarlett2_talkback_enum_ctl_put, +}; + +static int scarlett2_talkback_map_ctl_get( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + int index = elem->control; + + ucontrol->value.integer.value[0] = private->talkback_map[index]; + + return 0; +} + +static int scarlett2_talkback_map_ctl_put( + struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = + private->info->port_count; + int num_mixes = port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; + + int index = elem->control; + int oval, val, err = 0, i; + u16 bitmap = 0; + + mutex_lock(&private->data_mutex); + + oval = private->talkback_map[index]; val = !!ucontrol->value.integer.value[0]; if (oval == val) goto unlock; - private->buttons[index] = val; + private->talkback_map[index] = val; + + for (i = 0; i < num_mixes; i++) + bitmap |= private->talkback_map[i] << i; + + /* Send updated bitmap to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_TALKBACK_MAP, + 0, bitmap); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_talkback_map_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_talkback_map_ctl_get, + .put = scarlett2_talkback_map_ctl_put, +}; + +static int scarlett2_add_talkback_ctls( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int num_mixes = port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; + int err, i; + char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + + if (!info->has_talkback) + return 0; + + err = scarlett2_add_new_ctl( + mixer, &scarlett2_talkback_enum_ctl, + 0, 1, "Talkback Playback Enum", + &private->talkback_ctl); + if (err < 0) + return err; + + for (i = 0; i < num_mixes; i++) { + snprintf(s, sizeof(s), + "Talkback Mix %c Playback Switch", i + 'A'); + err = scarlett2_add_new_ctl(mixer, &scarlett2_talkback_map_ctl, + i, 1, s, NULL); + if (err < 0) + return err; + } + + return 0; +} + +/*** Dim/Mute Controls ***/ + +static int scarlett2_dim_mute_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + mutex_lock(&private->data_mutex); + if (private->vol_updated) + scarlett2_update_volumes(mixer); + mutex_unlock(&private->data_mutex); + + ucontrol->value.integer.value[0] = private->dim_mute[elem->control]; + return 0; +} + +static int scarlett2_dim_mute_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int num_line_out = + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; + + int index = elem->control; + int oval, val, err = 0, i; + + mutex_lock(&private->data_mutex); + + oval = private->dim_mute[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->dim_mute[index] = val; /* Send switch change to the device */ - err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_BUTTONS, + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_DIM_MUTE, index, val); + if (err == 0) + err = 1; + + if (index == SCARLETT2_BUTTON_MUTE) + for (i = 0; i < num_line_out; i++) { + int line_index = line_out_remap(private, i); + + if (private->vol_sw_hw_switch[line_index]) { + private->mute_switch[line_index] = val; + snd_ctl_notify(mixer->chip->card, + SNDRV_CTL_EVENT_MASK_INFO, + &private->mute_ctls[i]->id); + } + } unlock: mutex_unlock(&private->data_mutex); return err; } -static const struct snd_kcontrol_new scarlett2_button_ctl = { +static const struct snd_kcontrol_new scarlett2_dim_mute_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", .info = snd_ctl_boolean_mono_info, - .get = scarlett2_button_ctl_get, - .put = scarlett2_button_ctl_put + .get = scarlett2_dim_mute_ctl_get, + .put = scarlett2_dim_mute_ctl_put }; /*** Create the analogue output controls ***/ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int err, i; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; @@ -1385,6 +2955,7 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) /* Add volume controls */ for (i = 0; i < num_line_out; i++) { + int index = line_out_remap(private, i); /* Fader */ if (info->line_out_descrs[i]) @@ -1401,10 +2972,22 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) if (err < 0) return err; - /* Make the fader read-only if the SW/HW switch is set to HW */ - if (private->vol_sw_hw_switch[i]) - private->vol_ctls[i]->vd[0].access &= - ~SNDRV_CTL_ELEM_ACCESS_WRITE; + /* Mute Switch */ + snprintf(s, sizeof(s), + "Line %02d Mute Playback Switch", + i + 1); + err = scarlett2_add_new_ctl(mixer, + &scarlett2_mute_ctl, + i, 1, s, + &private->mute_ctls[i]); + if (err < 0) + return err; + + /* Make the fader and mute controls read-only if the + * SW/HW switch is set to HW + */ + if (private->vol_sw_hw_switch[index]) + scarlett2_vol_ctl_set_writable(mixer, i, 0); /* SW/HW Switch */ if (info->line_out_hw_vol) { @@ -1413,20 +2996,29 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) i + 1); err = scarlett2_add_new_ctl(mixer, &scarlett2_sw_hw_enum_ctl, - i, 1, s, NULL); + i, 1, s, + &private->sw_hw_ctls[i]); if (err < 0) return err; + + /* Make the switch read-only if the line is + * involved in speaker switching + */ + if (private->speaker_switching_switch && i < 4) + scarlett2_sw_hw_ctl_ro(private, i); } } - /* Add HW button controls */ - for (i = 0; i < private->info->button_count; i++) { - err = scarlett2_add_new_ctl(mixer, &scarlett2_button_ctl, - i, 1, scarlett2_button_names[i], - &private->button_ctls[i]); - if (err < 0) - return err; - } + /* Add dim/mute controls */ + if (info->line_out_hw_vol) + for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) { + err = scarlett2_add_new_ctl( + mixer, &scarlett2_dim_mute_ctl, + i, 1, scarlett2_dim_mute_names[i], + &private->dim_mute_ctls[i]); + if (err < 0) + return err; + } return 0; } @@ -1435,25 +3027,70 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; int err, i; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + const char *fmt = "Line In %d %s Capture %s"; + const char *fmt2 = "Line In %d-%d %s Capture %s"; /* Add input level (line/inst) controls */ for (i = 0; i < info->level_input_count; i++) { - snprintf(s, sizeof(s), "Line In %d Level Capture Enum", i + 1); + snprintf(s, sizeof(s), fmt, i + 1 + info->level_input_first, + "Level", "Enum"); err = scarlett2_add_new_ctl(mixer, &scarlett2_level_enum_ctl, - i, 1, s, NULL); + i, 1, s, &private->level_ctls[i]); if (err < 0) return err; } /* Add input pad controls */ for (i = 0; i < info->pad_input_count; i++) { - snprintf(s, sizeof(s), "Line In %d Pad Capture Switch", i + 1); + snprintf(s, sizeof(s), fmt, i + 1, "Pad", "Switch"); err = scarlett2_add_new_ctl(mixer, &scarlett2_pad_ctl, - i, 1, s, NULL); + i, 1, s, &private->pad_ctls[i]); + if (err < 0) + return err; + } + + /* Add input air controls */ + for (i = 0; i < info->air_input_count; i++) { + snprintf(s, sizeof(s), fmt, i + 1, "Air", "Switch"); + err = scarlett2_add_new_ctl(mixer, &scarlett2_air_ctl, + i, 1, s, &private->air_ctls[i]); + if (err < 0) + return err; + } + + /* Add input phantom controls */ + if (info->inputs_per_phantom == 1) { + for (i = 0; i < info->phantom_count; i++) { + snprintf(s, sizeof(s), fmt, i + 1, + "Phantom Power", "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_phantom_ctl, + i, 1, s, &private->phantom_ctls[i]); + if (err < 0) + return err; + } + } else if (info->inputs_per_phantom > 1) { + for (i = 0; i < info->phantom_count; i++) { + int from = i * info->inputs_per_phantom + 1; + int to = (i + 1) * info->inputs_per_phantom; + + snprintf(s, sizeof(s), fmt2, from, to, + "Phantom Power", "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_phantom_ctl, + i, 1, s, &private->phantom_ctls[i]); + if (err < 0) + return err; + } + } + if (info->phantom_count) { + err = scarlett2_add_new_ctl( + mixer, &scarlett2_phantom_persistence_ctl, 0, 1, + "Phantom Power Persistence Capture Switch", NULL); if (err < 0) return err; } @@ -1480,7 +3117,7 @@ static int scarlett2_mixer_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; + struct scarlett2_data *private = elem->head.mixer->private_data; ucontrol->value.integer.value[0] = private->mix[elem->control]; return 0; @@ -1491,22 +3128,23 @@ static int scarlett2_mixer_ctl_put(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int oval, val, num_mixer_in, mix_num, err = 0; + int index = elem->control; mutex_lock(&private->data_mutex); - oval = private->mix[elem->control]; + oval = private->mix[index]; val = ucontrol->value.integer.value[0]; - num_mixer_in = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; - mix_num = elem->control / num_mixer_in; + num_mixer_in = port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + mix_num = index / num_mixer_in; if (oval == val) goto unlock; - private->mix[elem->control] = val; + private->mix[index] = val; err = scarlett2_usb_set_mix(mixer, mix_num); if (err == 0) err = 1; @@ -1536,16 +3174,19 @@ static const struct snd_kcontrol_new scarlett2_mixer_ctl = { static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int err, i, j; int index; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - int num_inputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT]; - int num_outputs = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_IN]; + int num_inputs = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + int num_outputs = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; - for (i = 0, index = 0; i < num_outputs; i++) { + for (i = 0, index = 0; i < num_outputs; i++) for (j = 0; j < num_inputs; j++, index++) { snprintf(s, sizeof(s), "Mix %c Input %02d Playback Volume", @@ -1555,7 +3196,6 @@ static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer) if (err < 0) return err; } - } return 0; } @@ -1566,8 +3206,9 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + struct scarlett2_data *private = elem->head.mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; unsigned int item = uinfo->value.enumerated.item; int items = private->num_mux_srcs; int port_type; @@ -1582,13 +3223,15 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { - if (item < ports[port_type].num[SCARLETT2_PORT_IN]) { + if (item < port_count[port_type][SCARLETT2_PORT_IN]) { + const struct scarlett2_port *port = + &scarlett2_ports[port_type]; + sprintf(uinfo->value.enumerated.name, - ports[port_type].src_descr, - item + ports[port_type].src_num_offset); + port->src_descr, item + port->src_num_offset); return 0; } - item -= ports[port_type].num[SCARLETT2_PORT_IN]; + item -= port_count[port_type][SCARLETT2_PORT_IN]; } return -EINVAL; @@ -1598,9 +3241,23 @@ static int scarlett2_mux_src_enum_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - struct scarlett2_mixer_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int line_out_count = + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; + int index = elem->control; + + if (index < line_out_count) + index = line_out_remap(private, index); + + mutex_lock(&private->data_mutex); + if (private->mux_updated) + scarlett2_usb_get_mux(mixer); + ucontrol->value.enumerated.item[0] = private->mux[index]; + mutex_unlock(&private->data_mutex); - ucontrol->value.enumerated.item[0] = private->mux[elem->control]; return 0; } @@ -1609,15 +3266,22 @@ static int scarlett2_mux_src_enum_ctl_put(struct snd_kcontrol *kctl, { struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int line_out_count = + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int index = elem->control; int oval, val, err = 0; + if (index < line_out_count) + index = line_out_remap(private, index); + mutex_lock(&private->data_mutex); oval = private->mux[index]; - val = clamp(ucontrol->value.integer.value[0], - 0L, private->num_mux_srcs - 1L); + val = min(ucontrol->value.enumerated.item[0], + private->num_mux_srcs - 1U); if (oval == val) goto unlock; @@ -1642,26 +3306,29 @@ static const struct snd_kcontrol_new scarlett2_mux_src_enum_ctl = { static int scarlett2_add_mux_enums(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int port_type, channel, i; for (i = 0, port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { for (channel = 0; - channel < ports[port_type].num[SCARLETT2_PORT_OUT]; + channel < port_count[port_type][SCARLETT2_PORT_OUT]; channel++, i++) { int err; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - const char *const descr = ports[port_type].dst_descr; + const char *const descr = + scarlett2_ports[port_type].dst_descr; snprintf(s, sizeof(s) - 5, descr, channel + 1); strcat(s, " Enum"); err = scarlett2_add_new_ctl(mixer, &scarlett2_mux_src_enum_ctl, - i, 1, s, NULL); + i, 1, s, + &private->mux_ctls[i]); if (err < 0) return err; } @@ -1689,10 +3356,11 @@ static int scarlett2_meter_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct usb_mixer_elem_info *elem = kctl->private_data; - u16 meter_levels[SCARLETT2_NUM_METERS]; + u16 meter_levels[SCARLETT2_MAX_METERS]; int i, err; - err = scarlett2_usb_get_meter_levels(elem->head.mixer, meter_levels); + err = scarlett2_usb_get_meter_levels(elem->head.mixer, elem->channels, + meter_levels); if (err < 0) return err; @@ -1712,16 +3380,89 @@ static const struct snd_kcontrol_new scarlett2_meter_ctl = { static int scarlett2_add_meter_ctl(struct usb_mixer_interface *mixer) { + struct scarlett2_data *private = mixer->private_data; + + /* devices without a mixer also don't support reporting levels */ + if (!private->info->has_mixer) + return 0; + return scarlett2_add_new_ctl(mixer, &scarlett2_meter_ctl, - 0, SCARLETT2_NUM_METERS, + 0, private->num_mux_dsts, "Level Meter", NULL); } +/*** MSD Controls ***/ + +static int scarlett2_msd_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct scarlett2_data *private = elem->head.mixer->private_data; + + ucontrol->value.integer.value[0] = private->msd_switch; + return 0; +} + +static int scarlett2_msd_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct usb_mixer_elem_info *elem = kctl->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + oval = private->msd_switch; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->msd_switch = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_MSD_SWITCH, + 0, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_msd_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_msd_ctl_get, + .put = scarlett2_msd_ctl_put, +}; + +static int scarlett2_add_msd_ctl(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + if (!info->has_msd_mode) + return 0; + + /* If MSD mode is off, hide the switch by default */ + if (!private->msd_switch && !(mixer->chip->setup & SCARLETT2_MSD_ENABLE)) + return 0; + + /* Add MSD control */ + return scarlett2_add_new_ctl(mixer, &scarlett2_msd_ctl, + 0, 1, "MSD Mode", NULL); +} + /*** Cleanup/Suspend Callbacks ***/ static void scarlett2_private_free(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; cancel_delayed_work_sync(&private->work); kfree(private); @@ -1730,7 +3471,7 @@ static void scarlett2_private_free(struct usb_mixer_interface *mixer) static void scarlett2_private_suspend(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; if (cancel_delayed_work_sync(&private->work)) scarlett2_config_save(private->mixer); @@ -1738,77 +3479,61 @@ static void scarlett2_private_suspend(struct usb_mixer_interface *mixer) /*** Initialisation ***/ -static int scarlett2_count_mux_srcs(const struct scarlett2_ports *ports) +static void scarlett2_count_mux_io(struct scarlett2_data *private) { - int port_type, count = 0; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int port_type, srcs = 0, dsts = 0; for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; - port_type++) - count += ports[port_type].num[SCARLETT2_PORT_IN]; + port_type++) { + srcs += port_count[port_type][SCARLETT2_PORT_IN]; + dsts += port_count[port_type][SCARLETT2_PORT_OUT]; + } - return count; + private->num_mux_srcs = srcs; + private->num_mux_dsts = dsts; } -/* Default routing connects PCM outputs and inputs to Analogue, - * S/PDIF, then ADAT +/* Look through the interface descriptors for the Focusrite Control + * interface (bInterfaceClass = 255 Vendor Specific Class) and set + * bInterfaceNumber, bEndpointAddress, wMaxPacketSize, and bInterval + * in private */ -static void scarlett2_init_routing(u8 *mux, - const struct scarlett2_ports *ports) +static int scarlett2_find_fc_interface(struct usb_device *dev, + struct scarlett2_data *private) { - int i, input_num, input_count, port_type; - int output_num, output_count, port_type_connect_num; + struct usb_host_config *config = dev->actconfig; + int i; - static const int connect_order[] = { - SCARLETT2_PORT_TYPE_ANALOGUE, - SCARLETT2_PORT_TYPE_SPDIF, - SCARLETT2_PORT_TYPE_ADAT, - -1 - }; + for (i = 0; i < config->desc.bNumInterfaces; i++) { + struct usb_interface *intf = config->interface[i]; + struct usb_interface_descriptor *desc = + &intf->altsetting[0].desc; + struct usb_endpoint_descriptor *epd; - /* Assign PCM inputs (routing outputs) */ - output_num = scarlett2_get_port_start_num(ports, - SCARLETT2_PORT_OUT, - SCARLETT2_PORT_TYPE_PCM); - output_count = ports[SCARLETT2_PORT_TYPE_PCM].num[SCARLETT2_PORT_OUT]; - - for (port_type = connect_order[port_type_connect_num = 0]; - port_type >= 0; - port_type = connect_order[++port_type_connect_num]) { - input_num = scarlett2_get_port_start_num( - ports, SCARLETT2_PORT_IN, port_type); - input_count = ports[port_type].num[SCARLETT2_PORT_IN]; - for (i = 0; - i < input_count && output_count; - i++, output_count--) - mux[output_num++] = input_num++; - } + if (desc->bInterfaceClass != 255) + continue; - /* Assign PCM outputs (routing inputs) */ - input_num = scarlett2_get_port_start_num(ports, - SCARLETT2_PORT_IN, - SCARLETT2_PORT_TYPE_PCM); - input_count = ports[SCARLETT2_PORT_TYPE_PCM].num[SCARLETT2_PORT_IN]; - - for (port_type = connect_order[port_type_connect_num = 0]; - port_type >= 0; - port_type = connect_order[++port_type_connect_num]) { - output_num = scarlett2_get_port_start_num( - ports, SCARLETT2_PORT_OUT, port_type); - output_count = ports[port_type].num[SCARLETT2_PORT_OUT]; - for (i = 0; - i < output_count && input_count; - i++, input_count--) - mux[output_num++] = input_num++; + epd = get_endpoint(intf->altsetting, 0); + private->bInterfaceNumber = desc->bInterfaceNumber; + private->bEndpointAddress = epd->bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK; + private->wMaxPacketSize = le16_to_cpu(epd->wMaxPacketSize); + private->bInterval = epd->bInterval; + return 0; } + + return -EINVAL; } -/* Initialise private data, routing, sequence number */ +/* Initialise private data */ static int scarlett2_init_private(struct usb_mixer_interface *mixer, const struct scarlett2_device_info *info) { - struct scarlett2_mixer_data *private = - kzalloc(sizeof(struct scarlett2_mixer_data), GFP_KERNEL); + struct scarlett2_data *private = + kzalloc(sizeof(struct scarlett2_data), GFP_KERNEL); if (!private) return -ENOMEM; @@ -1816,68 +3541,102 @@ static int scarlett2_init_private(struct usb_mixer_interface *mixer, mutex_init(&private->usb_mutex); mutex_init(&private->data_mutex); INIT_DELAYED_WORK(&private->work, scarlett2_config_save_work); - private->info = info; - private->num_mux_srcs = scarlett2_count_mux_srcs(info->ports); - private->scarlett2_seq = 0; - private->mixer = mixer; + mixer->private_data = private; mixer->private_free = scarlett2_private_free; mixer->private_suspend = scarlett2_private_suspend; - /* Setup default routing */ - scarlett2_init_routing(private->mux, info->ports); + private->info = info; + scarlett2_count_mux_io(private); + private->scarlett2_seq = 0; + private->mixer = mixer; - /* Initialise the sequence number used for the proprietary commands */ - return scarlett2_usb(mixer, SCARLETT2_USB_INIT_SEQ, NULL, 0, NULL, 0); + return scarlett2_find_fc_interface(mixer->chip->dev, private); } -/* Read line-in config and line-out volume settings on start */ +/* Cargo cult proprietary initialisation sequence */ +static int scarlett2_usb_init(struct usb_mixer_interface *mixer) +{ + struct usb_device *dev = mixer->chip->dev; + struct scarlett2_data *private = mixer->private_data; + u8 buf[24]; + int err; + + if (usb_pipe_type_check(dev, usb_sndctrlpipe(dev, 0))) + return -EINVAL; + + /* step 0 */ + err = scarlett2_usb_rx(dev, private->bInterfaceNumber, + SCARLETT2_USB_CMD_INIT, buf, sizeof(buf)); + if (err < 0) + return err; + + /* step 1 */ + private->scarlett2_seq = 1; + err = scarlett2_usb(mixer, SCARLETT2_USB_INIT_1, NULL, 0, NULL, 0); + if (err < 0) + return err; + + /* step 2 */ + private->scarlett2_seq = 1; + return scarlett2_usb(mixer, SCARLETT2_USB_INIT_2, NULL, 0, NULL, 84); +} + +/* Read configuration from the interface on start */ static int scarlett2_read_configs(struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct scarlett2_data *private = mixer->private_data; const struct scarlett2_device_info *info = private->info; - const struct scarlett2_ports *ports = info->ports; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; - u8 level_switches[SCARLETT2_LEVEL_SWITCH_MAX]; - u8 pad_switches[SCARLETT2_PAD_SWITCH_MAX]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; + int num_mixer_out = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN]; struct scarlett2_usb_volume_status volume_status; int err, i; - if (info->level_input_count) { + if (info->has_msd_mode) { err = scarlett2_usb_get_config( - mixer, - SCARLETT2_CONFIG_LEVEL_SWITCH, - info->level_input_count, - level_switches); + mixer, SCARLETT2_CONFIG_MSD_SWITCH, + 1, &private->msd_switch); if (err < 0) return err; - for (i = 0; i < info->level_input_count; i++) - private->level_switch[i] = level_switches[i]; - } - if (info->pad_input_count) { - err = scarlett2_usb_get_config( - mixer, - SCARLETT2_CONFIG_PAD_SWITCH, - info->pad_input_count, - pad_switches); - if (err < 0) - return err; - for (i = 0; i < info->pad_input_count; i++) - private->pad_switch[i] = pad_switches[i]; + /* no other controls are created if MSD mode is on */ + if (private->msd_switch) + return 0; } + err = scarlett2_update_input_other(mixer); + if (err < 0) + return err; + + err = scarlett2_update_monitor_other(mixer); + if (err < 0) + return err; + + /* the rest of the configuration is for devices with a mixer */ + if (!info->has_mixer) + return 0; + + err = scarlett2_update_sync(mixer); + if (err < 0) + return err; + err = scarlett2_usb_get_volume_status(mixer, &volume_status); if (err < 0) return err; + if (info->line_out_hw_vol) + for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) + private->dim_mute[i] = !!volume_status.dim_mute[i]; + private->master_vol = clamp( volume_status.master_vol + SCARLETT2_VOLUME_BIAS, 0, SCARLETT2_VOLUME_BIAS); for (i = 0; i < num_line_out; i++) { - int volume; + int volume, mute; private->vol_sw_hw_switch[i] = info->line_out_hw_vol @@ -1889,72 +3648,178 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer) volume = clamp(volume + SCARLETT2_VOLUME_BIAS, 0, SCARLETT2_VOLUME_BIAS); private->vol[i] = volume; + + mute = private->vol_sw_hw_switch[i] + ? private->dim_mute[SCARLETT2_BUTTON_MUTE] + : volume_status.mute_switch[i]; + private->mute_switch[i] = mute; + } + + for (i = 0; i < num_mixer_out; i++) { + err = scarlett2_usb_get_mix(mixer, i); + if (err < 0) + return err; } - for (i = 0; i < info->button_count; i++) - private->buttons[i] = !!volume_status.buttons[i]; + return scarlett2_usb_get_mux(mixer); +} - return 0; +/* Notify on sync change */ +static void scarlett2_notify_sync( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + private->sync_updated = 1; + + snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->sync_ctl->id); } -/* Notify on volume change */ -static void scarlett2_mixer_interrupt_vol_change( +/* Notify on monitor change */ +static void scarlett2_notify_monitor( struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; - const struct scarlett2_ports *ports = private->info->ports; + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; int num_line_out = - ports[SCARLETT2_PORT_TYPE_ANALOGUE].num[SCARLETT2_PORT_OUT]; + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int i; + /* if line_out_hw_vol is 0, there are no controls to update */ + if (!info->line_out_hw_vol) + return; + private->vol_updated = 1; snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &private->master_vol_ctl->id); - for (i = 0; i < num_line_out; i++) { - if (!private->vol_sw_hw_switch[i]) - continue; - snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, - &private->vol_ctls[i]->id); - } + for (i = 0; i < num_line_out; i++) + if (private->vol_sw_hw_switch[line_out_remap(private, i)]) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->vol_ctls[i]->id); } -/* Notify on button change */ -static void scarlett2_mixer_interrupt_button_change( +/* Notify on dim/mute change */ +static void scarlett2_notify_dim_mute( struct usb_mixer_interface *mixer) { - struct scarlett2_mixer_data *private = mixer->private_data; + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; + int num_line_out = + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int i; private->vol_updated = 1; - for (i = 0; i < private->info->button_count; i++) - snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, - &private->button_ctls[i]->id); + if (!info->line_out_hw_vol) + return; + + for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->dim_mute_ctls[i]->id); + + for (i = 0; i < num_line_out; i++) + if (private->vol_sw_hw_switch[line_out_remap(private, i)]) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->mute_ctls[i]->id); +} + +/* Notify on "input other" change (level/pad/air) */ +static void scarlett2_notify_input_other( + struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int i; + + private->input_other_updated = 1; + + for (i = 0; i < info->level_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->level_ctls[i]->id); + for (i = 0; i < info->pad_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->pad_ctls[i]->id); + for (i = 0; i < info->air_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->air_ctls[i]->id); + for (i = 0; i < info->phantom_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->phantom_ctls[i]->id); +} + +/* Notify on "monitor other" change (direct monitor, speaker + * switching, talkback) + */ +static void scarlett2_notify_monitor_other( + struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->monitor_other_updated = 1; + + if (info->direct_monitor) { + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->direct_monitor_ctl->id); + return; + } + + if (info->has_speaker_switching) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->speaker_switching_ctl->id); + + if (info->has_talkback) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->talkback_ctl->id); + + /* if speaker switching was recently enabled or disabled, + * invalidate the dim/mute and mux enum controls + */ + if (private->speaker_switching_switched) { + int i; + + scarlett2_notify_dim_mute(mixer); + + private->speaker_switching_switched = 0; + private->mux_updated = 1; + + for (i = 0; i < private->num_mux_dsts; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->mux_ctls[i]->id); + } } /* Interrupt callback */ -static void scarlett2_mixer_interrupt(struct urb *urb) +static void scarlett2_notify(struct urb *urb) { struct usb_mixer_interface *mixer = urb->context; int len = urb->actual_length; int ustatus = urb->status; u32 data; - if (ustatus != 0) + if (ustatus != 0 || len != 8) goto requeue; - if (len == 8) { - data = le32_to_cpu(*(__le32 *)urb->transfer_buffer); - if (data & SCARLETT2_USB_INTERRUPT_VOL_CHANGE) - scarlett2_mixer_interrupt_vol_change(mixer); - if (data & SCARLETT2_USB_INTERRUPT_BUTTON_CHANGE) - scarlett2_mixer_interrupt_button_change(mixer); - } else { - usb_audio_err(mixer->chip, - "scarlett mixer interrupt length %d\n", len); - } + data = le32_to_cpu(*(__le32 *)urb->transfer_buffer); + if (data & SCARLETT2_USB_NOTIFY_SYNC) + scarlett2_notify_sync(mixer); + if (data & SCARLETT2_USB_NOTIFY_MONITOR) + scarlett2_notify_monitor(mixer); + if (data & SCARLETT2_USB_NOTIFY_DIM_MUTE) + scarlett2_notify_dim_mute(mixer); + if (data & SCARLETT2_USB_NOTIFY_INPUT_OTHER) + scarlett2_notify_input_other(mixer); + if (data & SCARLETT2_USB_NOTIFY_MONITOR_OTHER) + scarlett2_notify_monitor_other(mixer); requeue: if (ustatus != -ENOENT && @@ -1965,11 +3830,11 @@ requeue: } } -static int scarlett2_mixer_status_create(struct usb_mixer_interface *mixer) +static int scarlett2_init_notify(struct usb_mixer_interface *mixer) { struct usb_device *dev = mixer->chip->dev; - unsigned int pipe = usb_rcvintpipe(dev, - SCARLETT2_USB_INTERRUPT_ENDPOINT); + struct scarlett2_data *private = mixer->private_data; + unsigned int pipe = usb_rcvintpipe(dev, private->bEndpointAddress); void *transfer_buffer; if (mixer->urb) { @@ -1985,25 +3850,35 @@ static int scarlett2_mixer_status_create(struct usb_mixer_interface *mixer) if (!mixer->urb) return -ENOMEM; - transfer_buffer = kmalloc(SCARLETT2_USB_INTERRUPT_MAX_DATA, GFP_KERNEL); + transfer_buffer = kmalloc(private->wMaxPacketSize, GFP_KERNEL); if (!transfer_buffer) return -ENOMEM; usb_fill_int_urb(mixer->urb, dev, pipe, - transfer_buffer, SCARLETT2_USB_INTERRUPT_MAX_DATA, - scarlett2_mixer_interrupt, mixer, - SCARLETT2_USB_INTERRUPT_INTERVAL); + transfer_buffer, private->wMaxPacketSize, + scarlett2_notify, mixer, private->bInterval); return usb_submit_urb(mixer->urb, GFP_KERNEL); } -static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer, - const struct scarlett2_device_info *info) +static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer) { + const struct scarlett2_device_info **info = scarlett2_devices; int err; - /* Initialise private data, routing, sequence number */ - err = scarlett2_init_private(mixer, info); + /* Find device in scarlett2_devices */ + while (*info && (*info)->usb_id != mixer->chip->usb_id) + info++; + if (!*info) + return -EINVAL; + + /* Initialise private data */ + err = scarlett2_init_private(mixer, *info); + if (err < 0) + return err; + + /* Send proprietary USB initialisation sequence */ + err = scarlett2_usb_init(mixer); if (err < 0) return err; @@ -2012,6 +3887,15 @@ static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer, if (err < 0) return err; + /* Create the MSD control */ + err = scarlett2_add_msd_ctl(mixer); + if (err < 0) + return err; + + /* If MSD mode is enabled, don't create any other controls */ + if (((struct scarlett2_data *)mixer->private_data)->msd_switch) + return 0; + /* Create the analogue output controls */ err = scarlett2_add_line_out_ctls(mixer); if (err < 0) @@ -2037,12 +3921,30 @@ static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer, if (err < 0) return err; - /* Set up the interrupt polling if there are hardware buttons */ - if (info->button_count) { - err = scarlett2_mixer_status_create(mixer); - if (err < 0) - return err; - } + /* Create the sync control */ + err = scarlett2_add_sync_ctl(mixer); + if (err < 0) + return err; + + /* Create the direct monitor control */ + err = scarlett2_add_direct_monitor_ctl(mixer); + if (err < 0) + return err; + + /* Create the speaker switching control */ + err = scarlett2_add_speaker_switch_ctl(mixer); + if (err < 0) + return err; + + /* Create the talkback controls */ + err = scarlett2_add_talkback_ctls(mixer); + if (err < 0) + return err; + + /* Set up the interrupt polling */ + err = scarlett2_init_notify(mixer); + if (err < 0) + return err; return 0; } @@ -2050,30 +3952,15 @@ static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer, int snd_scarlett_gen2_init(struct usb_mixer_interface *mixer) { struct snd_usb_audio *chip = mixer->chip; - const struct scarlett2_device_info *info; int err; /* only use UAC_VERSION_2 */ if (!mixer->protocol) return 0; - switch (chip->usb_id) { - case USB_ID(0x1235, 0x8203): - info = &s6i6_gen2_info; - break; - case USB_ID(0x1235, 0x8204): - info = &s18i8_gen2_info; - break; - case USB_ID(0x1235, 0x8201): - info = &s18i20_gen2_info; - break; - default: /* device not (yet) supported */ - return -EINVAL; - } - if (!(chip->setup & SCARLETT2_ENABLE)) { usb_audio_info(chip, - "Focusrite Scarlett Gen 2 Mixer Driver disabled; " + "Focusrite Scarlett Gen 2/3 Mixer Driver disabled; " "use options snd_usb_audio vid=0x%04x pid=0x%04x " "device_setup=1 to enable and report any issues " "to g@b4.vu", @@ -2083,10 +3970,10 @@ int snd_scarlett_gen2_init(struct usb_mixer_interface *mixer) } usb_audio_info(chip, - "Focusrite Scarlett Gen 2 Mixer Driver enabled pid=0x%04x", + "Focusrite Scarlett Gen 2/3 Mixer Driver enabled pid=0x%04x", USB_ID_PRODUCT(chip->usb_id)); - err = snd_scarlett_gen2_controls_create(mixer, info); + err = snd_scarlett_gen2_controls_create(mixer); if (err < 0) usb_audio_err(mixer->chip, "Error initialising Scarlett Mixer Driver: %d", |