diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/mixer_quirks.c | 3 | ||||
| -rw-r--r-- | sound/usb/mixer_scarlett2.c | 4635 |
2 files changed, 3921 insertions, 717 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index c8d48566e175..065a4be0d771 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -3447,6 +3447,9 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */ case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */ case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */ + case USB_ID(0x1235, 0x8218): /* Focusrite Scarlett Solo 4th Gen */ + case USB_ID(0x1235, 0x8219): /* Focusrite Scarlett 2i2 4th Gen */ + case USB_ID(0x1235, 0x821a): /* Focusrite Scarlett 4i4 4th Gen */ case USB_ID(0x1235, 0x8206): /* Focusrite Clarett 2Pre USB */ case USB_ID(0x1235, 0x8207): /* Focusrite Clarett 4Pre USB */ case USB_ID(0x1235, 0x8208): /* Focusrite Clarett 8Pre USB */ diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index f7c57a2c3028..1de3ddc50eb6 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -1,12 +1,13 @@ // SPDX-License-Identifier: GPL-2.0 /* * Focusrite Scarlett 2 Protocol Driver for ALSA - * (including Scarlett 2nd Gen, 3rd Gen, Clarett USB, and Clarett+ - * series products) + * (including Scarlett 2nd Gen, 3rd Gen, 4th Gen, Clarett USB, and + * Clarett+ series products) * * Supported models: * - 6i6/18i8/18i20 Gen 2 * - Solo/2i2/4i4/8i6/18i8/18i20 Gen 3 + * - Solo/2i2/4i4 Gen 4 * - Clarett 2Pre/4Pre/8Pre USB * - Clarett+ 2Pre/4Pre/8Pre * @@ -68,6 +69,12 @@ * * Support for Clarett 2Pre and 4Pre USB added in Oct 2023. * + * Support for firmware updates added in Dec 2023. + * + * Support for Scarlett Solo/2i2/4i4 Gen 4 added in Dec 2023 (thanks + * to many LinuxMusicians people and to Focusrite for hardware + * donations). + * * This ALSA mixer gives access to (model-dependent): * - input, output, mixer-matrix muxes * - mixer-matrix gain stages @@ -78,6 +85,8 @@ * controls * - disable/enable MSD mode * - disable/enable standalone mode + * - input gain, autogain, safe mode + * - direct monitor mixes * * <ditaa> * /--------------\ 18chn 20chn /--------------\ @@ -130,7 +139,7 @@ * \--------------/ * </ditaa> * - * Gen 3 devices have a Mass Storage Device (MSD) mode where a small + * Gen 3/4 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: @@ -146,6 +155,9 @@ #include <sound/control.h> #include <sound/tlv.h> +#include <sound/hwdep.h> + +#include <uapi/sound/scarlett2.h> #include "usbaudio.h" #include "mixer.h" @@ -161,6 +173,7 @@ /* some gui mixers can't handle negative ctl values */ #define SCARLETT2_VOLUME_BIAS 127 +#define SCARLETT2_GAIN_BIAS 70 /* mixer range from -80dB to +6dB in 0.5dB steps */ #define SCARLETT2_MIXER_MIN_DB -80 @@ -193,11 +206,12 @@ static const u16 scarlett2_mixer_values[SCARLETT2_MIXER_VALUE_COUNT] = { /* Maximum number of analogue outputs */ #define SCARLETT2_ANALOGUE_MAX 10 -/* Maximum number of level and pad switches */ +/* Maximum number of various input controls */ #define SCARLETT2_LEVEL_SWITCH_MAX 2 #define SCARLETT2_PAD_SWITCH_MAX 8 #define SCARLETT2_AIR_SWITCH_MAX 8 #define SCARLETT2_PHANTOM_SWITCH_MAX 2 +#define SCARLETT2_INPUT_GAIN_MAX 2 /* Maximum number of inputs to the mixer */ #define SCARLETT2_INPUT_MIX_MAX 25 @@ -205,6 +219,16 @@ static const u16 scarlett2_mixer_values[SCARLETT2_MIXER_VALUE_COUNT] = { /* Maximum number of outputs from the mixer */ #define SCARLETT2_OUTPUT_MIX_MAX 12 +/* Maximum number of mixer gain controls */ +#define SCARLETT2_MIX_MAX (SCARLETT2_INPUT_MIX_MAX * SCARLETT2_OUTPUT_MIX_MAX) + +/* Maximum number of direct monitor mixer gain controls + * 1 (Solo) or 2 (2i2) direct monitor selections (Mono & Stereo) + * 2 Mix outputs (A/Left & B/Right) + * 4 Mix inputs + */ +#define SCARLETT2_MONITOR_MIX_MAX (2 * 2 * 4) + /* Maximum size of the data in the USB mux assignment message: * 20 inputs, 20 outputs, 25 matrix inputs, 12 spare */ @@ -216,17 +240,6 @@ static const u16 scarlett2_mixer_values[SCARLETT2_MIXER_VALUE_COUNT] = { /* Maximum number of meters (sum of output port counts) */ #define SCARLETT2_MAX_METERS 65 -/* There are different sets of configuration parameters across the - * devices, dependent on series and model. - */ -enum { - SCARLETT2_CONFIG_SET_GEN_2 = 0, - SCARLETT2_CONFIG_SET_GEN_3A = 1, - SCARLETT2_CONFIG_SET_GEN_3B = 2, - SCARLETT2_CONFIG_SET_CLARETT = 3, - SCARLETT2_CONFIG_SET_COUNT = 4 -}; - /* Hardware port types: * - None (no input to mux) * - Analogue I/O @@ -236,33 +249,515 @@ enum { * - PCM I/O */ enum { - 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_NONE, + SCARLETT2_PORT_TYPE_ANALOGUE, + SCARLETT2_PORT_TYPE_SPDIF, + SCARLETT2_PORT_TYPE_ADAT, + SCARLETT2_PORT_TYPE_MIX, + SCARLETT2_PORT_TYPE_PCM, + SCARLETT2_PORT_TYPE_COUNT }; /* I/O count of each port type kept in struct scarlett2_ports */ enum { - SCARLETT2_PORT_IN = 0, - SCARLETT2_PORT_OUT = 1, - SCARLETT2_PORT_DIRNS = 2, + SCARLETT2_PORT_IN, + SCARLETT2_PORT_OUT, + SCARLETT2_PORT_DIRNS }; /* Dim/Mute buttons on the 18i20 */ enum { - SCARLETT2_BUTTON_MUTE = 0, - SCARLETT2_BUTTON_DIM = 1, - SCARLETT2_DIM_MUTE_COUNT = 2, + SCARLETT2_BUTTON_MUTE, + SCARLETT2_BUTTON_DIM, + SCARLETT2_DIM_MUTE_COUNT +}; + +/* Flash Write State */ +enum { + SCARLETT2_FLASH_WRITE_STATE_IDLE, + SCARLETT2_FLASH_WRITE_STATE_SELECTED, + SCARLETT2_FLASH_WRITE_STATE_ERASING, + SCARLETT2_FLASH_WRITE_STATE_WRITE }; static const char *const scarlett2_dim_mute_names[SCARLETT2_DIM_MUTE_COUNT] = { "Mute Playback Switch", "Dim Playback Switch" }; +/* Autogain Status Values */ +enum { + SCARLETT2_AUTOGAIN_STATUS_STOPPED, + SCARLETT2_AUTOGAIN_STATUS_RUNNING, + SCARLETT2_AUTOGAIN_STATUS_FAILED, + SCARLETT2_AUTOGAIN_STATUS_CANCELLED, + SCARLETT2_AUTOGAIN_STATUS_UNKNOWN, + SCARLETT2_AUTOGAIN_STATUS_COUNT +}; + +/* Power Status Values */ +enum { + SCARLETT2_POWER_STATUS_EXT, + SCARLETT2_POWER_STATUS_BUS, + SCARLETT2_POWER_STATUS_FAIL, + SCARLETT2_POWER_STATUS_COUNT +}; + +/* Notification callback functions */ +struct scarlett2_notification { + u32 mask; + void (*func)(struct usb_mixer_interface *mixer); +}; + +static void scarlett2_notify_sync(struct usb_mixer_interface *mixer); +static void scarlett2_notify_dim_mute(struct usb_mixer_interface *mixer); +static void scarlett2_notify_monitor(struct usb_mixer_interface *mixer); +static void scarlett2_notify_volume(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_level(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_pad(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_air(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_phantom(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_other(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_select(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_gain(struct usb_mixer_interface *mixer); +static void scarlett2_notify_autogain(struct usb_mixer_interface *mixer); +static void scarlett2_notify_input_safe(struct usb_mixer_interface *mixer); +static void scarlett2_notify_monitor_other(struct usb_mixer_interface *mixer); +static void scarlett2_notify_direct_monitor(struct usb_mixer_interface *mixer); +static void scarlett2_notify_power_status(struct usb_mixer_interface *mixer); +static void scarlett2_notify_pcm_input_switch( + struct usb_mixer_interface *mixer); + +/* Arrays of notification callback functions */ + +static const struct scarlett2_notification scarlett2_notifications[] = { + { 0x00000001, NULL }, /* ack, gets ignored */ + { 0x00000008, scarlett2_notify_sync }, + { 0x00200000, scarlett2_notify_dim_mute }, + { 0x00400000, scarlett2_notify_monitor }, + { 0x00800000, scarlett2_notify_input_other }, + { 0x01000000, scarlett2_notify_monitor_other }, + { 0, NULL } +}; + +static const struct scarlett2_notification scarlett3a_notifications[] = { + { 0x00000001, NULL }, /* ack, gets ignored */ + { 0x00800000, scarlett2_notify_input_other }, + { 0x01000000, scarlett2_notify_direct_monitor }, + { 0, NULL } +}; + +static const struct scarlett2_notification scarlett4_solo_notifications[] = { + { 0x00000001, NULL }, /* ack, gets ignored */ + { 0x00000008, scarlett2_notify_sync }, + { 0x00400000, scarlett2_notify_input_air }, + { 0x00800000, scarlett2_notify_direct_monitor }, + { 0x01000000, scarlett2_notify_input_level }, + { 0x02000000, scarlett2_notify_input_phantom }, + { 0x04000000, scarlett2_notify_pcm_input_switch }, + { 0, NULL } +}; + +static const struct scarlett2_notification scarlett4_2i2_notifications[] = { + { 0x00000001, NULL }, /* ack, gets ignored */ + { 0x00000008, scarlett2_notify_sync }, + { 0x00200000, scarlett2_notify_input_safe }, + { 0x00400000, scarlett2_notify_autogain }, + { 0x00800000, scarlett2_notify_input_air }, + { 0x01000000, scarlett2_notify_direct_monitor }, + { 0x02000000, scarlett2_notify_input_select }, + { 0x04000000, scarlett2_notify_input_level }, + { 0x08000000, scarlett2_notify_input_phantom }, + { 0x10000000, NULL }, /* power status, ignored */ + { 0x40000000, scarlett2_notify_input_gain }, + { 0x80000000, NULL }, /* power status, ignored */ + { 0, NULL } +}; + +static const struct scarlett2_notification scarlett4_4i4_notifications[] = { + { 0x00000001, NULL }, /* ack, gets ignored */ + { 0x00000008, scarlett2_notify_sync }, + { 0x00200000, scarlett2_notify_input_safe }, + { 0x00400000, scarlett2_notify_autogain }, + { 0x00800000, scarlett2_notify_input_air }, + { 0x01000000, scarlett2_notify_input_select }, + { 0x02000000, scarlett2_notify_input_level }, + { 0x04000000, scarlett2_notify_input_phantom }, + { 0x08000000, scarlett2_notify_power_status }, /* power external */ + { 0x20000000, scarlett2_notify_input_gain }, + { 0x40000000, scarlett2_notify_power_status }, /* power status */ + { 0x80000000, scarlett2_notify_volume }, + { 0, NULL } +}; + +/* Configuration parameters that can be read and written */ +enum { + SCARLETT2_CONFIG_DIM_MUTE, + SCARLETT2_CONFIG_LINE_OUT_VOLUME, + SCARLETT2_CONFIG_MUTE_SWITCH, + SCARLETT2_CONFIG_SW_HW_SWITCH, + SCARLETT2_CONFIG_MASTER_VOLUME, + SCARLETT2_CONFIG_HEADPHONE_VOLUME, + SCARLETT2_CONFIG_LEVEL_SWITCH, + SCARLETT2_CONFIG_PAD_SWITCH, + SCARLETT2_CONFIG_MSD_SWITCH, + SCARLETT2_CONFIG_AIR_SWITCH, + SCARLETT2_CONFIG_STANDALONE_SWITCH, + SCARLETT2_CONFIG_PHANTOM_SWITCH, + SCARLETT2_CONFIG_PHANTOM_PERSISTENCE, + SCARLETT2_CONFIG_DIRECT_MONITOR, + SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH, + SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE, + SCARLETT2_CONFIG_TALKBACK_MAP, + SCARLETT2_CONFIG_AUTOGAIN_SWITCH, + SCARLETT2_CONFIG_AUTOGAIN_STATUS, + SCARLETT2_CONFIG_INPUT_GAIN, + SCARLETT2_CONFIG_SAFE_SWITCH, + SCARLETT2_CONFIG_INPUT_SELECT_SWITCH, + SCARLETT2_CONFIG_INPUT_LINK_SWITCH, + SCARLETT2_CONFIG_POWER_EXT, + SCARLETT2_CONFIG_POWER_STATUS, + SCARLETT2_CONFIG_PCM_INPUT_SWITCH, + SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN, + SCARLETT2_CONFIG_COUNT +}; + +/* Location, size, and activation command number for the configuration + * parameters. Size is in bits and may be 0, 1, 8, or 16. + * + * A size of 0 indicates that the parameter is a byte-sized Scarlett + * Gen 4 configuration which is written through the gen4_write_addr + * location (but still read through the given offset location). + * + * Some Gen 4 configuration parameters are written with 0x02 for a + * desired value of 0x01, and 0x03 for 0x00. These are indicated with + * mute set to 1. 0x02 and 0x03 are temporary values while the device + * makes the change and the channel and/or corresponding DSP channel + * output is muted. + */ +struct scarlett2_config { + u16 offset; + u8 size; + u8 activate; + u8 mute; +}; + +struct scarlett2_config_set { + const struct scarlett2_notification *notifications; + u16 gen4_write_addr; + const struct scarlett2_config items[SCARLETT2_CONFIG_COUNT]; +}; + +/* Gen 2 devices without SW/HW volume switch: 6i6, 18i8 */ + +static const struct scarlett2_config_set scarlett2_config_set_gen2a = { + .notifications = scarlett2_notifications, + .items = { + [SCARLETT2_CONFIG_LINE_OUT_VOLUME] = { + .offset = 0x34, .size = 16, .activate = 1 }, + + [SCARLETT2_CONFIG_MUTE_SWITCH] = { + .offset = 0x5c, .size = 8, .activate = 1 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x7c, .size = 8, .activate = 7 }, + + [SCARLETT2_CONFIG_PAD_SWITCH] = { + .offset = 0x84, .size = 8, .activate = 8 }, + + [SCARLETT2_CONFIG_STANDALONE_SWITCH] = { + .offset = 0x8d, .size = 8, .activate = 6 }, + } +}; + +/* Gen 2 devices with SW/HW volume switch: 18i20 */ + +static const struct scarlett2_config_set scarlett2_config_set_gen2b = { + .notifications = scarlett2_notifications, + .items = { + [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_MASTER_VOLUME] = { + .offset = 0x76, .size = 16 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x7c, .size = 8, .activate = 7 }, + + [SCARLETT2_CONFIG_PAD_SWITCH] = { + .offset = 0x84, .size = 8, .activate = 8 }, + + [SCARLETT2_CONFIG_STANDALONE_SWITCH] = { + .offset = 0x8d, .size = 8, .activate = 6 }, + } +}; + +/* Gen 3 devices without a mixer (Solo and 2i2) */ +static const struct scarlett2_config_set scarlett2_config_set_gen3a = { + .notifications = scarlett3a_notifications, + .items = { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x04, .size = 8, .activate = 6 }, + + [SCARLETT2_CONFIG_PHANTOM_PERSISTENCE] = { + .offset = 0x05, .size = 8, .activate = 6 }, + + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x06, .size = 8, .activate = 3 }, + + [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 }, + } +}; + +/* Gen 3 devices without SW/HW volume switch: 4i4, 8i6 */ +static const struct scarlett2_config_set scarlett2_config_set_gen3b = { + .notifications = scarlett2_notifications, + .items = { + [SCARLETT2_CONFIG_LINE_OUT_VOLUME] = { + .offset = 0x34, .size = 16, .activate = 1 }, + + [SCARLETT2_CONFIG_MUTE_SWITCH] = { + .offset = 0x5c, .size = 8, .activate = 1 }, + + [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_STANDALONE_SWITCH] = { + .offset = 0x95, .size = 8, .activate = 6 }, + + [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 }, + } +}; + +/* Gen 3 devices with SW/HW volume switch: 18i8, 18i20 */ +static const struct scarlett2_config_set scarlett2_config_set_gen3c = { + .notifications = scarlett2_notifications, + .items = { + [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_MASTER_VOLUME] = { + .offset = 0x76, .size = 16 }, + + [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_STANDALONE_SWITCH] = { + .offset = 0x95, .size = 8, .activate = 6 }, + + [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 }, + } +}; + +/* Solo Gen 4 */ +static const struct scarlett2_config_set scarlett2_config_set_gen4_solo = { + .notifications = scarlett4_solo_notifications, + .gen4_write_addr = 0xd8, + .items = { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x47, .size = 8, .activate = 4 }, + + [SCARLETT2_CONFIG_DIRECT_MONITOR] = { + .offset = 0x108, .activate = 12 }, + + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x46, .activate = 9, .mute = 1 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x3d, .activate = 10, .mute = 1 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x3e, .activate = 11 }, + + [SCARLETT2_CONFIG_PCM_INPUT_SWITCH] = { + .offset = 0x206, .activate = 25 }, + + [SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN] = { + .offset = 0x232, .size = 16, .activate = 26 } + } +}; + +/* 2i2 Gen 4 */ +static const struct scarlett2_config_set scarlett2_config_set_gen4_2i2 = { + .notifications = scarlett4_2i2_notifications, + .gen4_write_addr = 0xfc, + .items = { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x49, .size = 8, .activate = 4 }, // 0x41 ?? + + [SCARLETT2_CONFIG_DIRECT_MONITOR] = { + .offset = 0x14a, .activate = 16 }, + + [SCARLETT2_CONFIG_AUTOGAIN_SWITCH] = { + .offset = 0x135, .activate = 10 }, + + [SCARLETT2_CONFIG_AUTOGAIN_STATUS] = { + .offset = 0x137 }, + + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x48, .activate = 11, .mute = 1 }, + + [SCARLETT2_CONFIG_INPUT_GAIN] = { + .offset = 0x4b, .activate = 12 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x3c, .activate = 13, .mute = 1 }, + + [SCARLETT2_CONFIG_SAFE_SWITCH] = { + .offset = 0x147, .activate = 14 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x3e, .activate = 15 }, + + [SCARLETT2_CONFIG_INPUT_SELECT_SWITCH] = { + .offset = 0x14b, .activate = 17 }, + + [SCARLETT2_CONFIG_INPUT_LINK_SWITCH] = { + .offset = 0x14e, .activate = 18 }, + + [SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN] = { + .offset = 0x2a0, .size = 16, .activate = 36 } + } +}; + +/* 4i4 Gen 4 */ +static const struct scarlett2_config_set scarlett2_config_set_gen4_4i4 = { + .notifications = scarlett4_4i4_notifications, + .gen4_write_addr = 0x130, + .items = { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x5c, .size = 8, .activate = 4 }, + + [SCARLETT2_CONFIG_AUTOGAIN_SWITCH] = { + .offset = 0x13e, .activate = 10 }, + + [SCARLETT2_CONFIG_AUTOGAIN_STATUS] = { + .offset = 0x140 }, + + [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { + .offset = 0x5a, .activate = 11, .mute = 1 }, + + [SCARLETT2_CONFIG_INPUT_GAIN] = { + .offset = 0x5e, .activate = 12 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x4e, .activate = 13, .mute = 1 }, + + [SCARLETT2_CONFIG_SAFE_SWITCH] = { + .offset = 0x150, .activate = 14 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x50, .activate = 15 }, + + [SCARLETT2_CONFIG_INPUT_SELECT_SWITCH] = { + .offset = 0x153, .activate = 16 }, + + [SCARLETT2_CONFIG_INPUT_LINK_SWITCH] = { + .offset = 0x156, .activate = 17 }, + + [SCARLETT2_CONFIG_MASTER_VOLUME] = { + .offset = 0x32, .size = 16 }, + + [SCARLETT2_CONFIG_HEADPHONE_VOLUME] = { + .offset = 0x3a, .size = 16 }, + + [SCARLETT2_CONFIG_POWER_EXT] = { + .offset = 0x168 }, + + [SCARLETT2_CONFIG_POWER_STATUS] = { + .offset = 0x66 } + } +}; + +/* Clarett USB and Clarett+ devices: 2Pre, 4Pre, 8Pre */ +static const struct scarlett2_config_set scarlett2_config_set_clarett = { + .notifications = scarlett2_notifications, + .items = { + [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_MASTER_VOLUME] = { + .offset = 0x76, .size = 16 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x7c, .size = 8, .activate = 7 }, + + [SCARLETT2_CONFIG_AIR_SWITCH] = { + .offset = 0x95, .size = 8, .activate = 8 }, + + [SCARLETT2_CONFIG_STANDALONE_SWITCH] = { + .offset = 0x8d, .size = 8, .activate = 6 }, + } +}; + /* Description of each hardware port type: * - id: hardware ID of this port type * - src_descr: printf format string for mux input selections @@ -274,6 +769,8 @@ struct scarlett2_port { const char * const src_descr; int src_num_offset; const char * const dst_descr; + const char * const dsp_src_descr; + const char * const dsp_dst_descr; }; static const struct scarlett2_port scarlett2_ports[SCARLETT2_PORT_TYPE_COUNT] = { @@ -303,7 +800,9 @@ static const struct scarlett2_port scarlett2_ports[SCARLETT2_PORT_TYPE_COUNT] = .id = 0x300, .src_descr = "Mix %c", .src_num_offset = 'A', - .dst_descr = "Mixer Input %02d Capture" + .dst_descr = "Mixer Input %02d Capture", + .dsp_src_descr = "DSP %d", + .dsp_dst_descr = "DSP Input %d Capture" }, [SCARLETT2_PORT_TYPE_PCM] = { .id = 0x600, @@ -344,17 +843,11 @@ struct scarlett2_meter_entry { }; struct scarlett2_device_info { - /* 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; - /* which set of configuration parameters the device uses */ - u8 config_set; + const struct scarlett2_config_set *config_set; - /* line out hw volume is sw controlled */ - u8 line_out_hw_vol; + /* minimum firmware version required */ + u16 min_firmware_version; /* support for main/alt speaker switching */ u8 has_speaker_switching; @@ -380,17 +873,35 @@ struct scarlett2_device_info { */ u8 air_input_count; + /* the first input with an air control (0-based) */ + u8 air_input_first; + + /* number of additional air options + * 0 for air presence only (Gen 3) + * 1 for air presence+drive (Gen 4) + */ + u8 air_option; + /* the number of phantom (48V) software switchable controls */ u8 phantom_count; + /* the first input with phantom power control (0-based) */ + u8 phantom_first; + /* the number of inputs each phantom switch controls */ u8 inputs_per_phantom; + /* the number of inputs with software-controllable gain */ + u8 gain_input_count; + /* the number of direct monitor options * (0 = none, 1 = mono only, 2 = mono/stereo) */ u8 direct_monitor; + /* the number of DSP channels */ + u8 dsp_count; + /* remap analogue outputs; 18i8 Gen 3 has "line 3/4" connected * internally to the analogue 7/8 outputs */ @@ -419,25 +930,48 @@ 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 */ + u8 hwdep_in_use; + u8 selected_flash_segment_id; + u8 flash_write_state; struct delayed_work work; const struct scarlett2_device_info *info; + const struct scarlett2_config_set *config_set; const char *series_name; __u8 bInterfaceNumber; __u8 bEndpointAddress; __u16 wMaxPacketSize; __u8 bInterval; - int num_mux_srcs; - int num_mux_dsts; + u8 num_mux_srcs; + u8 num_mux_dsts; + u8 num_mix_in; + u8 num_mix_out; + u8 num_line_out; + u8 num_monitor_mix_ctls; u32 firmware_version; + u8 flash_segment_nums[SCARLETT2_SEGMENT_ID_COUNT]; + u8 flash_segment_blocks[SCARLETT2_SEGMENT_ID_COUNT]; u16 scarlett2_seq; u8 sync_updated; u8 vol_updated; - u8 input_other_updated; + u8 dim_mute_updated; + u8 input_level_updated; + u8 input_pad_updated; + u8 input_air_updated; + u8 input_phantom_updated; + u8 input_select_updated; + u8 input_gain_updated; + u8 autogain_updated; + u8 input_safe_updated; + u8 pcm_input_switch_updated; u8 monitor_other_updated; + u8 direct_monitor_updated; u8 mux_updated; + u8 mix_updated; u8 speaker_switching_switched; + u8 power_status_updated; u8 sync; u8 master_vol; + u8 headphone_vol; u8 vol[SCARLETT2_ANALOGUE_MAX]; u8 vol_sw_hw_switch[SCARLETT2_ANALOGUE_MAX]; u8 mute_switch[SCARLETT2_ANALOGUE_MAX]; @@ -447,15 +981,24 @@ struct scarlett2_data { u8 air_switch[SCARLETT2_AIR_SWITCH_MAX]; u8 phantom_switch[SCARLETT2_PHANTOM_SWITCH_MAX]; u8 phantom_persistence; + u8 input_select_switch; + u8 input_link_switch[SCARLETT2_INPUT_GAIN_MAX / 2]; + u8 gain[SCARLETT2_INPUT_GAIN_MAX]; + u8 autogain_switch[SCARLETT2_INPUT_GAIN_MAX]; + u8 autogain_status[SCARLETT2_INPUT_GAIN_MAX]; + u8 safe_switch[SCARLETT2_INPUT_GAIN_MAX]; + u8 pcm_input_switch; u8 direct_monitor_switch; u8 speaker_switching_switch; u8 talkback_switch; u8 talkback_map[SCARLETT2_OUTPUT_MIX_MAX]; u8 msd_switch; u8 standalone_switch; + u8 power_status; u8 meter_level_map[SCARLETT2_MAX_METERS]; struct snd_kcontrol *sync_ctl; struct snd_kcontrol *master_vol_ctl; + struct snd_kcontrol *headphone_vol_ctl; struct snd_kcontrol *vol_ctls[SCARLETT2_ANALOGUE_MAX]; struct snd_kcontrol *sw_hw_ctls[SCARLETT2_ANALOGUE_MAX]; struct snd_kcontrol *mute_ctls[SCARLETT2_ANALOGUE_MAX]; @@ -464,18 +1007,28 @@ struct scarlett2_data { 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 *input_select_ctl; + struct snd_kcontrol *input_link_ctls[SCARLETT2_INPUT_GAIN_MAX / 2]; + struct snd_kcontrol *input_gain_ctls[SCARLETT2_INPUT_GAIN_MAX]; + struct snd_kcontrol *autogain_ctls[SCARLETT2_INPUT_GAIN_MAX]; + struct snd_kcontrol *autogain_status_ctls[SCARLETT2_INPUT_GAIN_MAX]; + struct snd_kcontrol *safe_ctls[SCARLETT2_INPUT_GAIN_MAX]; + struct snd_kcontrol *pcm_input_switch_ctl; struct snd_kcontrol *mux_ctls[SCARLETT2_MUX_MAX]; + struct snd_kcontrol *mix_ctls[SCARLETT2_MIX_MAX]; struct snd_kcontrol *direct_monitor_ctl; struct snd_kcontrol *speaker_switching_ctl; struct snd_kcontrol *talkback_ctl; + struct snd_kcontrol *power_status_ctl; u8 mux[SCARLETT2_MUX_MAX]; - u8 mix[SCARLETT2_INPUT_MIX_MAX * SCARLETT2_OUTPUT_MIX_MAX]; + u8 mix[SCARLETT2_MIX_MAX]; + u8 monitor_mix[SCARLETT2_MONITOR_MIX_MAX]; }; /*** Model-specific data ***/ static const struct scarlett2_device_info s6i6_gen2_info = { - .config_set = SCARLETT2_CONFIG_SET_GEN_2, + .config_set = &scarlett2_config_set_gen2a, .level_input_count = 2, .pad_input_count = 2, @@ -525,7 +1078,7 @@ static const struct scarlett2_device_info s6i6_gen2_info = { }; static const struct scarlett2_device_info s18i8_gen2_info = { - .config_set = SCARLETT2_CONFIG_SET_GEN_2, + .config_set = &scarlett2_config_set_gen2a, .level_input_count = 2, .pad_input_count = 4, @@ -578,8 +1131,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = { }; static const struct scarlett2_device_info s18i20_gen2_info = { - .config_set = SCARLETT2_CONFIG_SET_GEN_2, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_gen2b, .line_out_descrs = { "Monitor L", @@ -636,8 +1188,7 @@ static const struct scarlett2_device_info s18i20_gen2_info = { }; static const struct scarlett2_device_info solo_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3A, + .config_set = &scarlett2_config_set_gen3a, .level_input_count = 1, .level_input_first = 1, .air_input_count = 1, @@ -647,8 +1198,7 @@ static const struct scarlett2_device_info solo_gen3_info = { }; static const struct scarlett2_device_info s2i2_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3A, + .config_set = &scarlett2_config_set_gen3a, .level_input_count = 2, .air_input_count = 2, .phantom_count = 1, @@ -657,8 +1207,7 @@ static const struct scarlett2_device_info s2i2_gen3_info = { }; static const struct scarlett2_device_info s4i4_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3B, + .config_set = &scarlett2_config_set_gen3b, .level_input_count = 2, .pad_input_count = 2, .air_input_count = 2, @@ -707,8 +1256,7 @@ static const struct scarlett2_device_info s4i4_gen3_info = { }; static const struct scarlett2_device_info s8i6_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3B, + .config_set = &scarlett2_config_set_gen3b, .level_input_count = 2, .pad_input_count = 2, .air_input_count = 2, @@ -766,9 +1314,7 @@ static const struct scarlett2_device_info s8i6_gen3_info = { }; static const struct scarlett2_device_info s18i8_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3B, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_gen3c, .has_speaker_switching = 1, .level_input_count = 2, .pad_input_count = 4, @@ -847,9 +1393,7 @@ static const struct scarlett2_device_info s18i8_gen3_info = { }; static const struct scarlett2_device_info s18i20_gen3_info = { - .has_msd_mode = 1, - .config_set = SCARLETT2_CONFIG_SET_GEN_3B, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_gen3c, .has_speaker_switching = 1, .has_talkback = 1, .level_input_count = 2, @@ -918,9 +1462,162 @@ static const struct scarlett2_device_info s18i20_gen3_info = { } }; +static const struct scarlett2_device_info solo_gen4_info = { + .config_set = &scarlett2_config_set_gen4_solo, + .min_firmware_version = 2115, + + .level_input_count = 1, + .air_input_count = 1, + .air_input_first = 1, + .air_option = 1, + .phantom_count = 1, + .phantom_first = 1, + .inputs_per_phantom = 1, + .direct_monitor = 1, + .dsp_count = 2, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_MIX] = { 8, 6 }, + [SCARLETT2_PORT_TYPE_PCM] = { 2, 4 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + } }, + + .meter_map = { + { 6, 2 }, + { 4, 2 }, + { 8, 4 }, + { 2, 2 }, + { 0, 2 }, + { 0, 0 } + } +}; + +static const struct scarlett2_device_info s2i2_gen4_info = { + .config_set = &scarlett2_config_set_gen4_2i2, + .min_firmware_version = 2115, + + .level_input_count = 2, + .air_input_count = 2, + .air_option = 1, + .phantom_count = 1, + .inputs_per_phantom = 2, + .gain_input_count = 2, + .direct_monitor = 2, + .dsp_count = 2, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 2, 2 }, + [SCARLETT2_PORT_TYPE_MIX] = { 6, 6 }, + [SCARLETT2_PORT_TYPE_PCM] = { 2, 4 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 4, 2 }, + { SCARLETT2_PORT_TYPE_MIX, 2, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 4 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 2 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 2 }, + { 0, 0, 0 }, + } }, + + .meter_map = { + { 6, 2 }, + { 4, 2 }, + { 8, 4 }, + { 2, 2 }, + { 0, 2 }, + { 0, 0 } + } +}; + +static const struct scarlett2_device_info s4i4_gen4_info = { + .config_set = &scarlett2_config_set_gen4_4i4, + .min_firmware_version = 2089, + + .level_input_count = 2, + .air_input_count = 2, + .air_option = 1, + .phantom_count = 2, + .inputs_per_phantom = 1, + .gain_input_count = 2, + .dsp_count = 2, + + .port_count = { + [SCARLETT2_PORT_TYPE_NONE] = { 1, 0 }, + [SCARLETT2_PORT_TYPE_ANALOGUE] = { 4, 6 }, + [SCARLETT2_PORT_TYPE_MIX] = { 8, 12 }, + [SCARLETT2_PORT_TYPE_PCM] = { 6, 6 }, + }, + + .mux_assignment = { { + { SCARLETT2_PORT_TYPE_MIX, 10, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 10, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { 0, 0, 0 }, + }, { + { SCARLETT2_PORT_TYPE_MIX, 10, 2 }, + { SCARLETT2_PORT_TYPE_PCM, 0, 6 }, + { SCARLETT2_PORT_TYPE_MIX, 0, 10 }, + { SCARLETT2_PORT_TYPE_ANALOGUE, 0, 6 }, + { 0, 0, 0 }, + } }, + + .meter_map = { + { 16, 8 }, + { 6, 10 }, + { 0, 6 }, + { 0, 0 } + } +}; + static const struct scarlett2_device_info clarett_2pre_info = { - .config_set = SCARLETT2_CONFIG_SET_CLARETT, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_clarett, .level_input_count = 2, .air_input_count = 2, @@ -967,8 +1664,7 @@ static const struct scarlett2_device_info clarett_2pre_info = { }; static const struct scarlett2_device_info clarett_4pre_info = { - .config_set = SCARLETT2_CONFIG_SET_CLARETT, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_clarett, .level_input_count = 2, .air_input_count = 4, @@ -1020,8 +1716,7 @@ static const struct scarlett2_device_info clarett_4pre_info = { }; static const struct scarlett2_device_info clarett_8pre_info = { - .config_set = SCARLETT2_CONFIG_SET_CLARETT, - .line_out_hw_vol = 1, + .config_set = &scarlett2_config_set_clarett, .level_input_count = 2, .air_input_count = 8, @@ -1098,6 +1793,11 @@ static const struct scarlett2_device_entry scarlett2_devices[] = { { USB_ID(0x1235, 0x8214), &s18i8_gen3_info, "Scarlett Gen 3" }, { USB_ID(0x1235, 0x8215), &s18i20_gen3_info, "Scarlett Gen 3" }, + /* Supported Gen 4 devices */ + { USB_ID(0x1235, 0x8218), &solo_gen4_info, "Scarlett Gen 4" }, + { USB_ID(0x1235, 0x8219), &s2i2_gen4_info, "Scarlett Gen 4" }, + { USB_ID(0x1235, 0x821a), &s4i4_gen4_info, "Scarlett Gen 4" }, + /* Supported Clarett USB/Clarett+ devices */ { USB_ID(0x1235, 0x8206), &clarett_2pre_info, "Clarett USB" }, { USB_ID(0x1235, 0x8207), &clarett_4pre_info, "Clarett USB" }, @@ -1125,203 +1825,40 @@ static int scarlett2_get_port_start_num( /*** USB Interactions ***/ -/* 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_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_INIT_1 0x00000000 +#define SCARLETT2_USB_INIT_2 0x00000002 +#define SCARLETT2_USB_REBOOT 0x00000003 +#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_INFO_FLASH 0x00004000 +#define SCARLETT2_USB_INFO_SEGMENT 0x00004001 +#define SCARLETT2_USB_ERASE_SEGMENT 0x00004002 +#define SCARLETT2_USB_GET_ERASE 0x00004003 +#define SCARLETT2_USB_WRITE_SEGMENT 0x00004004 +#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[1]) */ -struct scarlett2_usb_volume_status { - /* dim/mute buttons */ - u8 dim_mute[SCARLETT2_DIM_MUTE_COUNT]; - - u8 pad1; - - /* software volume setting */ - s16 sw_vol[SCARLETT2_ANALOGUE_MAX]; - - /* actual volume of output inc. dim (-18dB) */ - s16 hw_vol[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]; - - u8 pad3[6]; - - /* front panel volume knob */ - s16 master_vol; -} __packed; - -/* Configuration parameters that can be read and written */ -enum { - SCARLETT2_CONFIG_DIM_MUTE = 0, - SCARLETT2_CONFIG_LINE_OUT_VOLUME = 1, - 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_STANDALONE_SWITCH = 8, - SCARLETT2_CONFIG_PHANTOM_SWITCH = 9, - SCARLETT2_CONFIG_PHANTOM_PERSISTENCE = 10, - SCARLETT2_CONFIG_DIRECT_MONITOR = 11, - SCARLETT2_CONFIG_MONITOR_OTHER_SWITCH = 12, - SCARLETT2_CONFIG_MONITOR_OTHER_ENABLE = 13, - SCARLETT2_CONFIG_TALKBACK_MAP = 14, - SCARLETT2_CONFIG_COUNT = 15 -}; - -/* Location, size, and activation command number for the configuration - * parameters. Size is in bits and may be 1, 8, or 16. - */ -struct scarlett2_config { - u8 offset; - u8 size; - u8 activate; -}; - -static const struct scarlett2_config - scarlett2_config_items[SCARLETT2_CONFIG_SET_COUNT] - [SCARLETT2_CONFIG_COUNT] = - -/* Gen 2 devices: 6i6, 18i8, 18i20 */ -{ { - [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_STANDALONE_SWITCH] = { - .offset = 0x8d, .size = 8, .activate = 6 }, - -/* Gen 3 devices without a mixer (Solo and 2i2) */ -}, { - [SCARLETT2_CONFIG_MSD_SWITCH] = { - .offset = 0x04, .size = 8, .activate = 6 }, - - [SCARLETT2_CONFIG_PHANTOM_PERSISTENCE] = { - .offset = 0x05, .size = 8, .activate = 6 }, - - [SCARLETT2_CONFIG_PHANTOM_SWITCH] = { - .offset = 0x06, .size = 8, .activate = 3 }, - - [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 }, - -/* Gen 3 devices: 4i4, 8i6, 18i8, 18i20 */ -}, { - [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_STANDALONE_SWITCH] = { - .offset = 0x95, .size = 8, .activate = 6 }, - - [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 }, - -/* Clarett USB and Clarett+ devices: 2Pre, 4Pre, 8Pre */ -}, { - [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 }, +#define SCARLETT2_FLASH_BLOCK_SIZE 4096 +#define SCARLETT2_FLASH_WRITE_MAX 1024 +#define SCARLETT2_SEGMENT_NUM_MIN 1 +#define SCARLETT2_SEGMENT_NUM_MAX 4 - [SCARLETT2_CONFIG_LEVEL_SWITCH] = { - .offset = 0x7c, .size = 8, .activate = 7 }, - - [SCARLETT2_CONFIG_AIR_SWITCH] = { - .offset = 0x95, .size = 8, .activate = 8 }, - - [SCARLETT2_CONFIG_STANDALONE_SWITCH] = { - .offset = 0x8d, .size = 8, .activate = 6 }, -} }; +#define SCARLETT2_SEGMENT_SETTINGS_NAME "App_Settings" +#define SCARLETT2_SEGMENT_FIRMWARE_NAME "App_Upgrade" /* proprietary request/response format */ struct scarlett2_usb_packet { @@ -1419,6 +1956,16 @@ static int scarlett2_usb( /* validate the response */ if (err != resp_buf_size) { + + /* ESHUTDOWN and EPROTO are valid responses to a + * reboot request + */ + if (cmd == SCARLETT2_USB_REBOOT && + (err == -ESHUTDOWN || err == -EPROTO)) { + err = 0; + goto unlock; + } + usb_audio_err( mixer->chip, "%s USB response result cmd %x was %d expected %zu\n", @@ -1478,22 +2025,39 @@ static int scarlett2_usb_get( &req, sizeof(req), buf, size); } +/* Return true if the given configuration item is present in the + * configuration set used by this device. + */ +static int scarlett2_has_config_item( + struct scarlett2_data *private, int config_item_num) +{ + return !!private->config_set->items[config_item_num].offset; +} + /* 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->config_set][config_item_num]; + &private->config_set->items[config_item_num]; int size, err, i; u8 *buf_8; u8 value; + /* Check that the configuration item is present in the + * configuration set used by this device + */ + if (!config_item->offset) + return -EFAULT; + + /* Gen 4 style parameters are always 1 byte */ + size = config_item->size ? config_item->size : 8; + /* For byte-sized parameters, retrieve directly into buf */ - if (config_item->size >= 8) { - size = config_item->size / 8 * count; + if (size >= 8) { + size = size / 8 * count; err = scarlett2_usb_get(mixer, config_item->offset, buf, size); if (err < 0) return err; @@ -1519,43 +2083,92 @@ static int scarlett2_usb_get_config( return 0; } -/* Send SCARLETT2_USB_DATA_CMD SCARLETT2_USB_CONFIG_SAVE */ -static void scarlett2_config_save(struct usb_mixer_interface *mixer) +/* Send a SCARLETT2_USB_SET_DATA command. + * offset: location in the device's data space + * size: size in bytes of the value (1, 2, 4) + */ +static int scarlett2_usb_set_data( + struct usb_mixer_interface *mixer, + int offset, int size, int value) { - __le32 req = cpu_to_le32(SCARLETT2_USB_CONFIG_SAVE); + struct scarlett2_data *private = mixer->private_data; + struct { + __le32 offset; + __le32 size; + __le32 value; + } __packed req; - scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, - &req, sizeof(u32), - NULL, 0); + req.offset = cpu_to_le32(offset); + req.size = cpu_to_le32(size); + req.value = cpu_to_le32(value); + return scarlett2_usb(private->mixer, SCARLETT2_USB_SET_DATA, + &req, sizeof(u32) * 2 + size, NULL, 0); } -/* Delayed work to save config */ -static void scarlett2_config_save_work(struct work_struct *work) +/* Send a SCARLETT2_USB_DATA_CMD command. + * Configuration changes require activation with this after they have + * been uploaded by a previous SCARLETT2_USB_SET_DATA. + * The value for activate needed is determined by the configuration + * item. + */ +static int scarlett2_usb_activate_config( + struct usb_mixer_interface *mixer, int activate) { - struct scarlett2_data *private = - container_of(work, struct scarlett2_data, work.work); + __le32 req; - scarlett2_config_save(private->mixer); + req = cpu_to_le32(activate); + return scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, + &req, sizeof(req), NULL, 0); } -/* Send a USB message to set a SCARLETT2_CONFIG_* parameter */ +/* Send USB messages 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) { struct scarlett2_data *private = mixer->private_data; - const struct scarlett2_device_info *info = private->info; + const struct scarlett2_config_set *config_set = private->config_set; const struct scarlett2_config *config_item = - &scarlett2_config_items[info->config_set][config_item_num]; - struct { - __le32 offset; - __le32 bytes; - __le32 value; - } __packed req; - __le32 req2; + &config_set->items[config_item_num]; int offset, size; int err; + /* Check that the configuration item is present in the + * configuration set used by this device + */ + if (!config_item->offset) + return -EFAULT; + + /* Gen 4 style writes are selected with size = 0; + * these are only byte-sized values written through a shared + * location, different to the read address + */ + if (!config_item->size) { + if (!config_set->gen4_write_addr) + return -EFAULT; + + /* Place index in gen4_write_addr + 1 */ + err = scarlett2_usb_set_data( + mixer, config_set->gen4_write_addr + 1, 1, index); + if (err < 0) + return err; + + /* Place value in gen4_write_addr */ + err = scarlett2_usb_set_data( + mixer, config_set->gen4_write_addr, 1, value); + if (err < 0) + return err; + + /* Request the interface do the write */ + return scarlett2_usb_activate_config( + mixer, config_item->activate); + } + + /* Not-Gen 4 style needs NVRAM save, supports + * bit-modification, and writing is done to the same place + * that the value can be read from + */ + /* Cancel any pending NVRAM save */ cancel_delayed_work_sync(&private->work); @@ -1575,7 +2188,10 @@ static int scarlett2_usb_set_config( size = 1; offset = config_item->offset; - scarlett2_usb_get(mixer, offset, &tmp, 1); + err = scarlett2_usb_get(mixer, offset, &tmp, 1); + if (err < 0) + return err; + if (value) tmp |= (1 << index); else @@ -1585,22 +2201,19 @@ static int scarlett2_usb_set_config( } /* Send the configuration parameter data */ - 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 + size, - NULL, 0); + err = scarlett2_usb_set_data(mixer, offset, size, value); if (err < 0) return err; /* Activate the change */ - req2 = cpu_to_le32(config_item->activate); - err = scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD, - &req2, sizeof(req2), NULL, 0); + err = scarlett2_usb_activate_config(mixer, config_item->activate); if (err < 0) return err; + /* Gen 2 style writes to Gen 4 devices don't need saving */ + if (config_set->gen4_write_addr) + return 0; + /* Schedule the change to be written to NVRAM */ if (config_item->activate != SCARLETT2_USB_CONFIG_SAVE) schedule_delayed_work(&private->work, msecs_to_jiffies(2000)); @@ -1608,6 +2221,25 @@ static int scarlett2_usb_set_config( return 0; } +/* Send SCARLETT2_USB_DATA_CMD SCARLETT2_USB_CONFIG_SAVE */ +static void scarlett2_config_save(struct usb_mixer_interface *mixer) +{ + int err; + + err = scarlett2_usb_activate_config(mixer, SCARLETT2_USB_CONFIG_SAVE); + if (err < 0) + usb_audio_err(mixer->chip, "config save failed: %d\n", err); +} + +/* Delayed work to save config */ +static void scarlett2_config_save_work(struct work_struct *work) +{ + struct scarlett2_data *private = + container_of(work, struct scarlett2_data, work.work); + + scarlett2_config_save(private->mixer); +} + /* Send a USB message to get sync status; result placed in *sync */ static int scarlett2_usb_get_sync_status( struct usb_mixer_interface *mixer, @@ -1625,13 +2257,23 @@ static int scarlett2_usb_get_sync_status( return 0; } -/* Send a USB message to get volume status; result placed in *buf */ -static int scarlett2_usb_get_volume_status( - struct usb_mixer_interface *mixer, - struct scarlett2_usb_volume_status *buf) +/* Return true if the device has a mixer that we can control */ +static int scarlett2_has_mixer(struct scarlett2_data *private) { - return scarlett2_usb_get(mixer, SCARLETT2_USB_VOLUME_STATUS_OFFSET, - buf, sizeof(*buf)); + return !!private->info->mux_assignment[0][0].count; +} + +/* Map from mixer value to (db + 80) * 2 + * (reverse of scarlett2_mixer_values[]) + */ +static int scarlett2_mixer_value_to_db(int value) +{ + int i; + + for (i = 0; i < SCARLETT2_MIXER_VALUE_COUNT; i++) + if (scarlett2_mixer_values[i] >= value) + return i; + return SCARLETT2_MIXER_MAX_VALUE; } /* Send a USB message to get the volumes for all inputs of one mix @@ -1641,11 +2283,9 @@ 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; + int num_mixer_in = private->num_mix_in; + int err, i, j; struct { __le16 mix_num; @@ -1663,16 +2303,9 @@ static int scarlett2_usb_get_mix(struct usb_mixer_interface *mixer, 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; - } + for (i = 0, j = mix_num * num_mixer_in; i < num_mixer_in; i++, j++) + private->mix[j] = scarlett2_mixer_value_to_db( + le16_to_cpu(data[i])); return 0; } @@ -1684,7 +2317,6 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, int mix_num) { struct scarlett2_data *private = mixer->private_data; - const struct scarlett2_device_info *info = private->info; struct { __le16 mix_num; @@ -1692,8 +2324,7 @@ static int scarlett2_usb_set_mix(struct usb_mixer_interface *mixer, } __packed req; int i, j; - int num_mixer_in = - info->port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; + int num_mixer_in = private->num_mix_in; req.mix_num = cpu_to_le16(mix_num); @@ -1804,9 +2435,6 @@ static void scarlett2_usb_populate_mux(struct scarlett2_data *private, static void scarlett2_update_meter_level_map(struct scarlett2_data *private) { 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]; const struct scarlett2_meter_entry *entry; /* sources already assigned to a destination @@ -1835,7 +2463,7 @@ static void scarlett2_update_meter_level_map(struct scarlett2_data *private) /* convert mux_idx using line_out_unmap[] */ int map_mux_idx = ( info->line_out_remap_enable && - mux_idx < line_out_count + mux_idx < private->num_line_out ) ? info->line_out_unmap[mux_idx] : mux_idx; @@ -1966,7 +2594,7 @@ static int scarlett2_usb_get_meter_levels(struct usb_mixer_interface *mixer, __le16 num_meters; __le32 magic; } __packed req; - u32 resp[SCARLETT2_MAX_METERS]; + __le32 resp[SCARLETT2_MAX_METERS]; int i, err; req.pad = 0; @@ -1979,11 +2607,20 @@ static int scarlett2_usb_get_meter_levels(struct usb_mixer_interface *mixer, /* copy, convert to u16 */ for (i = 0; i < num_meters; i++) - levels[i] = resp[i]; + levels[i] = le32_to_cpu(resp[i]); return 0; } +/* For config items with mute=1, xor bits 0 & 1 together to get the + * current/next state. This won't have any effect on values which are + * only ever 0/1. + */ +static uint8_t scarlett2_decode_muteable(uint8_t v) +{ + return (v ^ (v >> 1)) & 1; +} + /*** Control Functions ***/ /* helper function to create a new control */ @@ -2067,6 +2704,46 @@ static int scarlett2_add_firmware_version_ctl( return scarlett2_add_new_ctl(mixer, &scarlett2_firmware_version_ctl, 0, 0, "Firmware Version", NULL); } + +/*** Minimum Firmware Version Control ***/ + +static int scarlett2_min_firmware_version_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->info->min_firmware_version; + + return 0; +} + +static int scarlett2_min_firmware_version_ctl_info( + struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + + return 0; +} + +static const struct snd_kcontrol_new scarlett2_min_firmware_version_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .name = "", + .info = scarlett2_min_firmware_version_ctl_info, + .get = scarlett2_min_firmware_version_ctl_get +}; + +static int scarlett2_add_min_firmware_version_ctl( + struct usb_mixer_interface *mixer) +{ + return scarlett2_add_new_ctl(mixer, &scarlett2_min_firmware_version_ctl, + 0, 0, "Minimum Firmware Version", NULL); +} + /*** Sync Control ***/ /* Update sync control after receiving notification that the status @@ -2095,14 +2772,25 @@ static int scarlett2_sync_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_data *private = mixer->private_data; + int err = 0; mutex_lock(&private->data_mutex); - if (private->sync_updated) - scarlett2_update_sync(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->sync_updated) { + err = scarlett2_update_sync(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.enumerated.item[0] = private->sync; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } static const struct snd_kcontrol_new scarlett2_sync_ctl = { @@ -2118,13 +2806,938 @@ 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->config_set == SCARLETT2_CONFIG_SET_GEN_3A) + if (!scarlett2_has_mixer(private)) return 0; return scarlett2_add_new_ctl(mixer, &scarlett2_sync_ctl, 0, 1, "Sync Status", &private->sync_ctl); } +/*** Autogain Switch and Status Controls ***/ + +/* Forward declarations as phantom power and autogain can disable each other */ +static int scarlett2_check_input_phantom_updated(struct usb_mixer_interface *); +static int scarlett2_phantom_is_switching(struct scarlett2_data *, int); + +/* Set the access mode of a control to read-only (val = 0) or + * read-write (val = 1). + */ +static void scarlett2_set_ctl_access(struct snd_kcontrol *kctl, int val) +{ + if (val) + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_WRITE; + else + kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_WRITE; +} + +/* Check if autogain is running on any input */ +static int scarlett2_autogain_is_running(struct scarlett2_data *private) +{ + int i; + + for (i = 0; i < private->info->gain_input_count; i++) + if (private->autogain_status[i] == + SCARLETT2_AUTOGAIN_STATUS_RUNNING) + return 1; + + return 0; +} + +static int scarlett2_update_autogain(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int err, i; + u8 raw_autogain_status[SCARLETT2_INPUT_GAIN_MAX]; + + private->autogain_updated = 0; + + if (!info->gain_input_count) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_AUTOGAIN_SWITCH, + info->gain_input_count, private->autogain_switch); + if (err < 0) + return err; + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_AUTOGAIN_STATUS, + info->gain_input_count, raw_autogain_status); + if (err < 0) + return err; + + /* Translate autogain_switch and raw_autogain_status into + * autogain_status + */ + for (i = 0; i < info->gain_input_count; i++) + if (private->autogain_switch[i]) + private->autogain_status[i] = + SCARLETT2_AUTOGAIN_STATUS_RUNNING; + else if (raw_autogain_status[i] == 0) + private->autogain_status[i] = + SCARLETT2_AUTOGAIN_STATUS_STOPPED; + else if (raw_autogain_status[i] >= 2 && + raw_autogain_status[i] <= 5) + private->autogain_status[i] = + SCARLETT2_AUTOGAIN_STATUS_FAILED; + else if (raw_autogain_status[i] == 6) + private->autogain_status[i] = + SCARLETT2_AUTOGAIN_STATUS_CANCELLED; + else + private->autogain_status[i] = + SCARLETT2_AUTOGAIN_STATUS_UNKNOWN; + + return 0; +} + +/* Update access mode for controls affected by autogain */ +static void scarlett2_autogain_update_access(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int val = !scarlett2_autogain_is_running(private); + int i; + + scarlett2_set_ctl_access(private->input_select_ctl, val); + for (i = 0; i < info->gain_input_count / 2; i++) + scarlett2_set_ctl_access(private->input_link_ctls[i], val); + for (i = 0; i < info->gain_input_count; i++) { + scarlett2_set_ctl_access(private->input_gain_ctls[i], val); + scarlett2_set_ctl_access(private->safe_ctls[i], val); + } + for (i = 0; i < info->level_input_count; i++) + scarlett2_set_ctl_access(private->level_ctls[i], val); + for (i = 0; i < info->air_input_count; i++) + scarlett2_set_ctl_access(private->air_ctls[i], val); + for (i = 0; i < info->phantom_count; i++) + scarlett2_set_ctl_access(private->phantom_ctls[i], val); +} + +/* Notify of access mode change for all controls read-only while + * autogain runs. + */ +static void scarlett2_autogain_notify_access(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; + + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->input_select_ctl->id); + for (i = 0; i < info->gain_input_count / 2; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->input_link_ctls[i]->id); + for (i = 0; i < info->gain_input_count; i++) { + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->input_gain_ctls[i]->id); + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->safe_ctls[i]->id); + } + for (i = 0; i < info->level_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->level_ctls[i]->id); + for (i = 0; i < info->air_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->air_ctls[i]->id); + for (i = 0; i < info->phantom_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->phantom_ctls[i]->id); +} + +/* Call scarlett2_update_autogain() and + * scarlett2_autogain_update_access() if autogain_updated is set. + */ +static int scarlett2_check_autogain_updated( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err; + + if (!private->autogain_updated) + return 0; + + err = scarlett2_update_autogain(mixer); + if (err < 0) + return err; + + scarlett2_autogain_update_access(mixer); + + return 0; +} + +/* If autogain_updated is set when a *_ctl_put() function for a + * control that is meant to be read-only while autogain is running, + * update the autogain status and access mode of affected controls. + * Return -EPERM if autogain is running. + */ +static int scarlett2_check_put_during_autogain( + struct usb_mixer_interface *mixer) +{ + int err = scarlett2_check_autogain_updated(mixer); + + if (err < 0) + return err; + + if (scarlett2_autogain_is_running(mixer->private_data)) + return -EPERM; + + return 0; +} + +static int scarlett2_autogain_switch_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + 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 err; + + mutex_lock(&private->data_mutex); + + err = scarlett2_check_input_phantom_updated(mixer); + if (err < 0) + goto unlock; + + err = snd_ctl_boolean_mono_info(kctl, uinfo); + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_autogain_switch_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 err; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + ucontrol->value.enumerated.item[0] = + private->autogain_switch[elem->control]; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_autogain_status_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 err; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + ucontrol->value.enumerated.item[0] = + private->autogain_status[elem->control]; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_autogain_switch_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; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_input_phantom_updated(mixer); + if (err < 0) + goto unlock; + + if (scarlett2_phantom_is_switching(private, index)) { + err = -EPERM; + goto unlock; + } + + oval = private->autogain_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->autogain_switch[index] = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_AUTOGAIN_SWITCH, index, val); + if (err == 0) + err = 1; + + scarlett2_autogain_update_access(mixer); + scarlett2_autogain_notify_access(mixer); + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_autogain_status_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[SCARLETT2_AUTOGAIN_STATUS_COUNT] = { + "Stopped", "Running", "Failed", "Cancelled", "Unknown" + }; + + return snd_ctl_enum_info( + uinfo, 1, SCARLETT2_AUTOGAIN_STATUS_COUNT, values); +} + +static const struct snd_kcontrol_new scarlett2_autogain_switch_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_autogain_switch_ctl_info, + .get = scarlett2_autogain_switch_ctl_get, + .put = scarlett2_autogain_switch_ctl_put +}; + +static const struct snd_kcontrol_new scarlett2_autogain_status_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .name = "", + .info = scarlett2_autogain_status_ctl_info, + .get = scarlett2_autogain_status_ctl_get, +}; + +/*** Input Select Control ***/ + +static int scarlett2_update_input_select(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int link_count = info->gain_input_count / 2; + int err; + + private->input_select_updated = 0; + + if (!link_count) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_INPUT_SELECT_SWITCH, + 1, &private->input_select_switch); + if (err < 0) + return err; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_INPUT_LINK_SWITCH, + link_count, private->input_link_switch); + if (err < 0) + return err; + + /* simplified because no model yet has link_count > 1 */ + if (private->input_link_switch[0]) + private->input_select_switch = 0; + + return 0; +} + +static int scarlett2_input_select_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 err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_select_updated) { + err = scarlett2_update_input_select(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.enumerated.item[0] = private->input_select_switch; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_select_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; + int max_val = private->input_link_switch[0] ? 0 : 1; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + + oval = private->input_select_switch; + val = ucontrol->value.integer.value[0]; + + if (val < 0) + val = 0; + else if (val > max_val) + val = max_val; + + if (oval == val) + goto unlock; + + private->input_select_switch = val; + + /* Send switch change to the device if inputs not linked */ + if (!private->input_link_switch[0]) + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_INPUT_SELECT_SWITCH, + 1, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_select_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + 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 inputs = private->info->gain_input_count; + int i, j; + int err; + char **values = kcalloc(inputs, sizeof(char *), GFP_KERNEL); + + if (!values) + return -ENOMEM; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + /* Loop through each input + * Linked inputs have one value for the pair + */ + for (i = 0, j = 0; i < inputs; i++) { + if (private->input_link_switch[i / 2]) { + values[j++] = kasprintf( + GFP_KERNEL, "Input %d-%d", i + 1, i + 2); + i++; + } else { + values[j++] = kasprintf( + GFP_KERNEL, "Input %d", i + 1); + } + } + + err = snd_ctl_enum_info(uinfo, 1, j, + (const char * const *)values); + +unlock: + mutex_unlock(&private->data_mutex); + + for (i = 0; i < inputs; i++) + kfree(values[i]); + kfree(values); + + return err; +} + +static const struct snd_kcontrol_new scarlett2_input_select_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_input_select_ctl_info, + .get = scarlett2_input_select_ctl_get, + .put = scarlett2_input_select_ctl_put, +}; + +/*** Input Link Switch Controls ***/ + +/* snd_ctl_boolean_mono_info() with autogain-updated check + * (for controls that are read-only while autogain is running) + */ +static int scarlett2_autogain_disables_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *uinfo) +{ + 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 err; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + err = snd_ctl_boolean_mono_info(kctl, uinfo); + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_link_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 err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_select_updated) { + err = scarlett2_update_input_select(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.enumerated.item[0] = + private->input_link_switch[elem->control]; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_link_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; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + + oval = private->input_link_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->input_link_switch[index] = val; + + /* Notify of change in input select options available */ + snd_ctl_notify(mixer->chip->card, + SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, + &private->input_select_ctl->id); + private->input_select_updated = 1; + + /* Send switch change to the device + * Link for channels 1-2 is at index 1 + * No device yet has more than 2 channels linked + */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_INPUT_LINK_SWITCH, index + 1, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_input_link_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_autogain_disables_ctl_info, + .get = scarlett2_input_link_ctl_get, + .put = scarlett2_input_link_ctl_put +}; + +/*** Input Gain Controls ***/ + +static int scarlett2_update_input_gain(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_gain_updated = 0; + + if (!info->gain_input_count) + return 0; + + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_INPUT_GAIN, + info->gain_input_count, private->gain); +} + +static int scarlett2_input_gain_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *uinfo) +{ + 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 err; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = elem->channels; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = SCARLETT2_GAIN_BIAS; + uinfo->value.integer.step = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_gain_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 err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_gain_updated) { + err = scarlett2_update_input_gain(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.integer.value[0] = + private->gain[elem->control]; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_input_gain_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; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + + oval = private->gain[index]; + val = ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->gain[index] = val; + + /* Send gain change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_INPUT_GAIN, + index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const DECLARE_TLV_DB_MINMAX( + db_scale_scarlett2_gain, -SCARLETT2_GAIN_BIAS * 100, 0 +); + +static const struct snd_kcontrol_new scarlett2_input_gain_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .name = "", + .info = scarlett2_input_gain_ctl_info, + .get = scarlett2_input_gain_ctl_get, + .put = scarlett2_input_gain_ctl_put, + .private_value = 0, /* max value */ + .tlv = { .p = db_scale_scarlett2_gain } +}; + +/*** Safe Controls ***/ + +static int scarlett2_update_input_safe(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_safe_updated = 0; + + if (!info->gain_input_count) + return 0; + + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_SAFE_SWITCH, + info->gain_input_count, private->safe_switch); +} + +static int scarlett2_safe_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 err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_safe_updated) { + err = scarlett2_update_input_safe(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.integer.value[0] = + private->safe_switch[elem->control]; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_safe_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; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + + oval = private->safe_switch[index]; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->safe_switch[index] = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SAFE_SWITCH, + index, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_safe_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_autogain_disables_ctl_info, + .get = scarlett2_safe_ctl_get, + .put = scarlett2_safe_ctl_put, +}; + +/*** PCM Input Control ***/ + +static int scarlett2_update_pcm_input_switch(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err; + + private->pcm_input_switch_updated = 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PCM_INPUT_SWITCH, + 1, &private->pcm_input_switch); + if (err < 0) + return err; + + return 0; +} + +static int scarlett2_pcm_input_switch_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; + int err = 0; + + mutex_lock(&private->data_mutex); + + if (private->pcm_input_switch_updated) { + err = scarlett2_update_pcm_input_switch(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.enumerated.item[0] = private->pcm_input_switch; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_pcm_input_switch_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); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + oval = private->pcm_input_switch; + val = !!ucontrol->value.integer.value[0]; + + if (oval == val) + goto unlock; + + private->pcm_input_switch = val; + + /* Send switch change to the device */ + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_PCM_INPUT_SWITCH, + 0, val); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_pcm_input_switch_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[2] = { + "Direct", "Mixer" + }; + + return snd_ctl_enum_info( + uinfo, 1, 2, values); +} + +static const struct snd_kcontrol_new scarlett2_pcm_input_switch_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_pcm_input_switch_ctl_info, + .get = scarlett2_pcm_input_switch_ctl_get, + .put = scarlett2_pcm_input_switch_ctl_put +}; + /*** Analogue Line Out Volume Controls ***/ /* Update hardware volume controls after receiving notification that @@ -2133,35 +3746,40 @@ static int scarlett2_add_sync_ctl(struct usb_mixer_interface *mixer) static int scarlett2_update_volumes(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; - struct scarlett2_usb_volume_status volume_status; - int num_line_out = - port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; + s16 vol; int err, i; - int mute; private->vol_updated = 0; - err = scarlett2_usb_get_volume_status(mixer, &volume_status); - if (err < 0) - return err; + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_MASTER_VOLUME)) { + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_MASTER_VOLUME, + 1, &vol); + if (err < 0) + return err; - private->master_vol = clamp( - volume_status.master_vol + SCARLETT2_VOLUME_BIAS, - 0, SCARLETT2_VOLUME_BIAS); + private->master_vol = clamp(vol + SCARLETT2_VOLUME_BIAS, + 0, SCARLETT2_VOLUME_BIAS); - if (info->line_out_hw_vol) - for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) - private->dim_mute[i] = !!volume_status.dim_mute[i]; + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_SW_HW_SWITCH)) + for (i = 0; i < private->num_line_out; i++) + if (private->vol_sw_hw_switch[i]) + private->vol[i] = private->master_vol; + } - mute = private->dim_mute[SCARLETT2_BUTTON_MUTE]; + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_HEADPHONE_VOLUME)) { + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_HEADPHONE_VOLUME, + 1, &vol); + if (err < 0) + return err; - 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; - } + private->headphone_vol = clamp(vol + SCARLETT2_VOLUME_BIAS, + 0, SCARLETT2_VOLUME_BIAS); + } return 0; } @@ -2185,27 +3803,63 @@ 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_data *private = mixer->private_data; + int err = 0; mutex_lock(&private->data_mutex); - if (private->vol_updated) - scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->vol_updated) { + err = scarlett2_update_volumes(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->master_vol; - return 0; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_headphone_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_data *private = mixer->private_data; + int err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->vol_updated) { + err = scarlett2_update_volumes(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.integer.value[0] = private->headphone_vol; + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int line_out_remap(struct scarlett2_data *private, int index) { 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]; if (!info->line_out_remap_enable) return index; - if (index >= line_out_count) + if (index >= private->num_line_out) return index; return info->line_out_remap[index]; @@ -2218,14 +3872,25 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; int index = line_out_remap(private, elem->control); + int err = 0; mutex_lock(&private->data_mutex); - if (private->vol_updated) - scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->vol_updated) { + err = scarlett2_update_volumes(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->vol[index]; - return 0; + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_volume_ctl_put(struct snd_kcontrol *kctl, @@ -2239,6 +3904,11 @@ static int scarlett2_volume_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->vol[index]; val = ucontrol->value.integer.value[0]; @@ -2257,7 +3927,7 @@ unlock: } static const DECLARE_TLV_DB_MINMAX( - db_scale_scarlett2_gain, -SCARLETT2_VOLUME_BIAS * 100, 0 + db_scale_scarlett2_volume, -SCARLETT2_VOLUME_BIAS * 100, 0 ); static const struct snd_kcontrol_new scarlett2_master_volume_ctl = { @@ -2268,7 +3938,18 @@ static const struct snd_kcontrol_new scarlett2_master_volume_ctl = { .info = scarlett2_volume_ctl_info, .get = scarlett2_master_volume_ctl_get, .private_value = 0, /* max value */ - .tlv = { .p = db_scale_scarlett2_gain } + .tlv = { .p = db_scale_scarlett2_volume } +}; + +static const struct snd_kcontrol_new scarlett2_headphone_volume_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .name = "", + .info = scarlett2_volume_ctl_info, + .get = scarlett2_headphone_volume_ctl_get, + .private_value = 0, /* max value */ + .tlv = { .p = db_scale_scarlett2_volume } }; static const struct snd_kcontrol_new scarlett2_line_out_volume_ctl = { @@ -2280,11 +3961,40 @@ static const struct snd_kcontrol_new scarlett2_line_out_volume_ctl = { .get = scarlett2_volume_ctl_get, .put = scarlett2_volume_ctl_put, .private_value = 0, /* max value */ - .tlv = { .p = db_scale_scarlett2_gain } + .tlv = { .p = db_scale_scarlett2_volume } }; /*** Mute Switch Controls ***/ +static int scarlett2_update_dim_mute(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err, i; + u8 mute; + + private->dim_mute_updated = 0; + + if (!scarlett2_has_config_item(private, SCARLETT2_CONFIG_SW_HW_SWITCH)) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_DIM_MUTE, + SCARLETT2_DIM_MUTE_COUNT, private->dim_mute); + if (err < 0) + return err; + + for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) + private->dim_mute[i] = !!private->dim_mute[i]; + + mute = private->dim_mute[SCARLETT2_BUTTON_MUTE]; + + for (i = 0; i < private->num_line_out; i++) + if (private->vol_sw_hw_switch[i]) + private->mute_switch[i] = mute; + + return 0; +} + static int scarlett2_mute_ctl_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { @@ -2292,14 +4002,25 @@ static int scarlett2_mute_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; int index = line_out_remap(private, elem->control); + int err = 0; mutex_lock(&private->data_mutex); - if (private->vol_updated) - scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->dim_mute_updated) { + err = scarlett2_update_dim_mute(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->mute_switch[index]; - return 0; + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_mute_ctl_put(struct snd_kcontrol *kctl, @@ -2313,6 +4034,11 @@ static int scarlett2_mute_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->mute_switch[index]; val = !!ucontrol->value.integer.value[0]; @@ -2452,6 +4178,11 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->vol_sw_hw_switch[index]; val = !!ucontrol->value.enumerated.item[0]; @@ -2477,53 +4208,20 @@ 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) +static int scarlett2_update_input_level(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; + private->input_level_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; - } + if (!info->level_input_count) + return 0; - return 0; + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, + info->level_input_count + info->level_input_first, + private->level_switch); } static int scarlett2_level_enum_ctl_info(struct snd_kcontrol *kctl, @@ -2532,8 +4230,27 @@ static int scarlett2_level_enum_ctl_info(struct snd_kcontrol *kctl, static const char *const values[2] = { "Line", "Inst" }; + 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 err; - return snd_ctl_enum_info(uinfo, 1, 2, values); + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + err = snd_ctl_enum_info(uinfo, 1, 2, values); + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_level_enum_ctl_get(struct snd_kcontrol *kctl, @@ -2545,14 +4262,26 @@ static int scarlett2_level_enum_ctl_get(struct snd_kcontrol *kctl, const struct scarlett2_device_info *info = private->info; int index = elem->control + info->level_input_first; + int err = 0; 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); - return 0; + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_level_updated) { + err = scarlett2_update_input_level(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.enumerated.item[0] = scarlett2_decode_muteable( + private->level_switch[index]); + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, @@ -2564,10 +4293,19 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, const struct scarlett2_device_info *info = private->info; int index = elem->control + info->level_input_first; - int oval, val, err = 0; + int oval, val, err; mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + oval = private->level_switch[index]; val = !!ucontrol->value.enumerated.item[0]; @@ -2576,6 +4314,10 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, private->level_switch[index] = val; + /* To set the Gen 4 muteable controls, bit 1 gets set instead */ + if (private->config_set->items[SCARLETT2_CONFIG_LEVEL_SWITCH].mute) + val = (!val) | 0x02; + /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, index, val); @@ -2597,21 +4339,47 @@ static const struct snd_kcontrol_new scarlett2_level_enum_ctl = { /*** Pad Switch Controls ***/ +static int scarlett2_update_input_pad(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_pad_updated = 0; + + if (!info->pad_input_count) + return 0; + + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PAD_SWITCH, + info->pad_input_count, private->pad_switch); +} + 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 usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; + int err = 0; mutex_lock(&private->data_mutex); - if (private->input_other_updated) - scarlett2_update_input_other(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_pad_updated) { + err = scarlett2_update_input_pad(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->pad_switch[elem->control]; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl, @@ -2626,6 +4394,11 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->pad_switch[index]; val = !!ucontrol->value.integer.value[0]; @@ -2655,20 +4428,46 @@ static const struct snd_kcontrol_new scarlett2_pad_ctl = { /*** Air Switch Controls ***/ +static int scarlett2_update_input_air(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + + private->input_air_updated = 0; + + if (!info->air_input_count) + return 0; + + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_AIR_SWITCH, + info->air_input_count, private->air_switch); +} + 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_data *private = mixer->private_data; + int err = 0; mutex_lock(&private->data_mutex); - if (private->input_other_updated) - scarlett2_update_input_other(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->input_air_updated) { + err = scarlett2_update_input_air(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->air_switch[elem->control]; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_air_ctl_put(struct snd_kcontrol *kctl, @@ -2679,12 +4478,21 @@ static int scarlett2_air_ctl_put(struct snd_kcontrol *kctl, struct scarlett2_data *private = mixer->private_data; int index = elem->control; - int oval, val, err = 0; + int oval, val, err; mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + oval = private->air_switch[index]; - val = !!ucontrol->value.integer.value[0]; + val = ucontrol->value.integer.value[0]; if (oval == val) goto unlock; @@ -2702,31 +4510,169 @@ unlock: 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, +static int scarlett2_air_with_drive_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "Off", "Presence", "Presence + Drive" + }; + 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 err; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_autogain_updated(mixer); + if (err < 0) + goto unlock; + + err = snd_ctl_enum_info(uinfo, 1, 3, values); + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_air_ctl[2] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = snd_ctl_boolean_mono_info, + .get = scarlett2_air_ctl_get, + .put = scarlett2_air_ctl_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", + .info = scarlett2_air_with_drive_ctl_info, + .get = scarlett2_air_ctl_get, + .put = scarlett2_air_ctl_put, + } }; /*** Phantom Switch Controls ***/ +static int scarlett2_update_input_phantom(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int err; + + private->input_phantom_updated = 0; + + if (!info->phantom_count) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PHANTOM_SWITCH, + info->phantom_count, private->phantom_switch); + if (err < 0) + return err; + + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_PHANTOM_PERSISTENCE)) { + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_PHANTOM_PERSISTENCE, + 1, &private->phantom_persistence); + if (err < 0) + return err; + } + + return 0; +} + +/* Check if phantom power on the given input is currently changing state */ +static int scarlett2_phantom_is_switching( + struct scarlett2_data *private, int line_num) +{ + const struct scarlett2_device_info *info = private->info; + int index = line_num / info->inputs_per_phantom; + + return !!(private->phantom_switch[index] & 0x02); +} + +/* Update autogain controls' access mode when phantom power changes state */ +static void scarlett2_phantom_update_access(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + int i; + + /* Disable autogain controls if phantom power is changing state */ + for (i = 0; i < info->gain_input_count; i++) { + int val = !scarlett2_phantom_is_switching(private, i); + + scarlett2_set_ctl_access(private->autogain_ctls[i], val); + } +} + +/* Notify of access mode change for autogain which can't be enabled + * while phantom power is changing. + */ +static void scarlett2_phantom_notify_access(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; + + for (i = 0; i < info->gain_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, + &private->autogain_ctls[i]->id); +} + +/* Call scarlett2_update_input_phantom() and + * scarlett2_phantom_update_access() if input_phantom_updated is set. + */ +static int scarlett2_check_input_phantom_updated( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err; + + if (!private->input_phantom_updated) + return 0; + + err = scarlett2_update_input_phantom(mixer); + if (err < 0) + return err; + + scarlett2_phantom_update_access(mixer); + + return 0; +} + 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; + int err; 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; + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_input_phantom_updated(mixer); + if (err < 0) + goto unlock; + + ucontrol->value.integer.value[0] = scarlett2_decode_muteable( + private->phantom_switch[elem->control]); + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_phantom_ctl_put(struct snd_kcontrol *kctl, @@ -2735,12 +4681,22 @@ static int scarlett2_phantom_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_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; int index = elem->control; - int oval, val, err = 0; + int oval, val, err; mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_check_put_during_autogain(mixer); + if (err < 0) + goto unlock; + oval = private->phantom_switch[index]; val = !!ucontrol->value.integer.value[0]; @@ -2749,12 +4705,19 @@ static int scarlett2_phantom_ctl_put(struct snd_kcontrol *kctl, private->phantom_switch[index] = val; + /* To set the Gen 4 muteable controls, bit 1 gets set */ + if (private->config_set->items[SCARLETT2_CONFIG_PHANTOM_SWITCH].mute) + val = (!val) | 0x02; + /* Send switch change to the device */ err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PHANTOM_SWITCH, - index, val); + index + info->phantom_first, val); if (err == 0) err = 1; + scarlett2_phantom_update_access(mixer); + scarlett2_phantom_notify_access(mixer); + unlock: mutex_unlock(&private->data_mutex); return err; @@ -2763,7 +4726,7 @@ unlock: static const struct snd_kcontrol_new scarlett2_phantom_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", - .info = snd_ctl_boolean_mono_info, + .info = scarlett2_autogain_disables_ctl_info, .get = scarlett2_phantom_ctl_get, .put = scarlett2_phantom_ctl_put, }; @@ -2792,6 +4755,11 @@ static int scarlett2_phantom_persistence_ctl_put( mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->phantom_persistence; val = !!ucontrol->value.integer.value[0]; @@ -2819,7 +4787,7 @@ static const struct snd_kcontrol_new scarlett2_phantom_persistence_ctl = { .put = scarlett2_phantom_persistence_ctl_put, }; -/*** Direct Monitor Control ***/ +/*** Speaker Switching Control ***/ static int scarlett2_update_monitor_other(struct usb_mixer_interface *mixer) { @@ -2839,11 +4807,6 @@ static int scarlett2_update_monitor_other(struct usb_mixer_interface *mixer) 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 */ @@ -2868,10 +4831,6 @@ static int scarlett2_update_monitor_other(struct usb_mixer_interface *mixer) 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; @@ -2885,110 +4844,13 @@ static int scarlett2_update_monitor_other(struct usb_mixer_interface *mixer) 1, &bitmap); if (err < 0) return err; - for (i = 0; i < num_mixes; i++, bitmap >>= 1) + for (i = 0; i < private->num_mix_out; i++, bitmap >>= 1) private->talkback_map[i] = bitmap & 1; } return 0; } -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_data *private = mixer->private_data; - - int index = elem->control; - int oval, val, err = 0; - - mutex_lock(&private->data_mutex); - - 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; - const char *s; - - if (!info->direct_monitor) - return 0; - - s = info->direct_monitor == 1 - ? "Direct Monitor Playback Switch" - : "Direct Monitor Playback Enum"; - - return scarlett2_add_new_ctl( - mixer, &scarlett2_direct_monitor_ctl[info->direct_monitor - 1], - 0, 1, s, &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) { @@ -3005,14 +4867,25 @@ static int scarlett2_speaker_switch_enum_ctl_get( 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 err = 0; mutex_lock(&private->data_mutex); - if (private->monitor_other_updated) - scarlett2_update_monitor_other(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->monitor_other_updated) { + err = scarlett2_update_monitor_other(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.enumerated.item[0] = private->speaker_switching_switch; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } /* when speaker switching gets enabled, switch the main/alt speakers @@ -3083,6 +4956,11 @@ static int scarlett2_speaker_switch_enum_ctl_put( mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->speaker_switching_switch; val = min(ucontrol->value.enumerated.item[0], 2U); @@ -3127,8 +5005,7 @@ static const struct snd_kcontrol_new scarlett2_speaker_switch_enum_ctl = { .put = scarlett2_speaker_switch_enum_ctl_put, }; -static int scarlett2_add_speaker_switch_ctl( - struct usb_mixer_interface *mixer) +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; @@ -3160,14 +5037,25 @@ static int scarlett2_talkback_enum_ctl_get( 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 err = 0; mutex_lock(&private->data_mutex); - if (private->monitor_other_updated) - scarlett2_update_monitor_other(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->monitor_other_updated) { + err = scarlett2_update_monitor_other(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.enumerated.item[0] = private->talkback_switch; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_talkback_enum_ctl_put( @@ -3181,6 +5069,11 @@ static int scarlett2_talkback_enum_ctl_put( mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->talkback_switch; val = min(ucontrol->value.enumerated.item[0], 2U); @@ -3235,16 +5128,17 @@ static int scarlett2_talkback_map_ctl_put( 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); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->talkback_map[index]; val = !!ucontrol->value.integer.value[0]; @@ -3253,7 +5147,7 @@ static int scarlett2_talkback_map_ctl_put( private->talkback_map[index] = val; - for (i = 0; i < num_mixes; i++) + for (i = 0; i < private->num_mix_out; i++) bitmap |= private->talkback_map[i] << i; /* Send updated bitmap to the device */ @@ -3275,13 +5169,10 @@ static const struct snd_kcontrol_new scarlett2_talkback_map_ctl = { .put = scarlett2_talkback_map_ctl_put, }; -static int scarlett2_add_talkback_ctls( - struct usb_mixer_interface *mixer) +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]; @@ -3295,7 +5186,7 @@ static int scarlett2_add_talkback_ctls( if (err < 0) return err; - for (i = 0; i < num_mixes; i++) { + for (i = 0; i < private->num_mix_out; i++) { snprintf(s, sizeof(s), "Talkback Mix %c Playback Switch", i + 'A'); err = scarlett2_add_new_ctl(mixer, &scarlett2_talkback_map_ctl, @@ -3315,14 +5206,25 @@ static int scarlett2_dim_mute_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_data *private = mixer->private_data; + int err = 0; mutex_lock(&private->data_mutex); - if (private->vol_updated) - scarlett2_update_volumes(mixer); - mutex_unlock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->dim_mute_updated) { + err = scarlett2_update_dim_mute(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->dim_mute[elem->control]; - return 0; + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_dim_mute_ctl_put(struct snd_kcontrol *kctl, @@ -3331,16 +5233,16 @@ static int scarlett2_dim_mute_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_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); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->dim_mute[index]; val = !!ucontrol->value.integer.value[0]; @@ -3356,7 +5258,7 @@ static int scarlett2_dim_mute_ctl_put(struct snd_kcontrol *kctl, err = 1; if (index == SCARLETT2_BUTTON_MUTE) - for (i = 0; i < num_line_out; i++) { + for (i = 0; i < private->num_line_out; i++) { int line_index = line_out_remap(private, i); if (private->vol_sw_hw_switch[line_index]) { @@ -3386,14 +5288,12 @@ static int scarlett2_add_line_out_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_line_out = - port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; int err, i; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Add R/O HW volume control */ - if (info->line_out_hw_vol) { + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_MASTER_VOLUME)) { snprintf(s, sizeof(s), "Master HW Playback Volume"); err = scarlett2_add_new_ctl(mixer, &scarlett2_master_volume_ctl, @@ -3402,8 +5302,27 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) return err; } + /* Add R/O headphone volume control */ + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_HEADPHONE_VOLUME)) { + snprintf(s, sizeof(s), "Headphone Playback Volume"); + err = scarlett2_add_new_ctl(mixer, + &scarlett2_headphone_volume_ctl, + 0, 1, s, + &private->headphone_vol_ctl); + if (err < 0) + return err; + } + + /* Remaining controls are only applicable if the device + * has per-channel line-out volume controls. + */ + if (!scarlett2_has_config_item(private, + SCARLETT2_CONFIG_LINE_OUT_VOLUME)) + return 0; + /* Add volume controls */ - for (i = 0; i < num_line_out; i++) { + for (i = 0; i < private->num_line_out; i++) { int index = line_out_remap(private, i); /* Fader */ @@ -3432,14 +5351,16 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) 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) { + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_SW_HW_SWITCH)) { + + /* 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); + snprintf(s, sizeof(s), "Line Out %02d Volume Control Playback Enum", i + 1); @@ -3459,7 +5380,7 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) } /* Add dim/mute controls */ - if (info->line_out_hw_vol) + if (scarlett2_has_config_item(private, SCARLETT2_CONFIG_DIM_MUTE)) for (i = 0; i < SCARLETT2_DIM_MUTE_COUNT; i++) { err = scarlett2_add_new_ctl( mixer, &scarlett2_dim_mute_ctl, @@ -3504,9 +5425,11 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) /* 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]); + snprintf(s, sizeof(s), fmt, i + 1 + info->air_input_first, + "Air", info->air_option ? "Enum" : "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_air_ctl[info->air_option], + i, 1, s, &private->air_ctls[i]); if (err < 0) return err; } @@ -3514,7 +5437,8 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) /* Add input phantom controls */ if (info->inputs_per_phantom == 1) { for (i = 0; i < info->phantom_count; i++) { - scnprintf(s, sizeof(s), fmt, i + 1, + scnprintf(s, sizeof(s), fmt, + i + 1 + info->phantom_first, "Phantom Power", "Switch"); err = scarlett2_add_new_ctl( mixer, &scarlett2_phantom_ctl, @@ -3536,7 +5460,9 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) return err; } } - if (info->phantom_count) { + if (info->phantom_count && + scarlett2_has_config_item(private, + SCARLETT2_CONFIG_PHANTOM_PERSISTENCE)) { err = scarlett2_add_new_ctl( mixer, &scarlett2_phantom_persistence_ctl, 0, 1, "Phantom Power Persistence Capture Switch", NULL); @@ -3544,11 +5470,92 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) return err; } + /* Add software-controllable input gain controls */ + if (info->gain_input_count) { + err = scarlett2_add_new_ctl( + mixer, &scarlett2_input_select_ctl, 0, 1, + "Input Select Capture Enum", + &private->input_select_ctl); + if (err < 0) + return err; + + for (i = 0; i < info->gain_input_count; i++) { + if (i % 2) { + snprintf(s, sizeof(s), + "Line In %d-%d Link Capture Switch", + i, i + 1); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_input_link_ctl, + i / 2, 1, s, + &private->input_link_ctls[i / 2]); + if (err < 0) + return err; + } + + snprintf(s, sizeof(s), fmt, i + 1, + "Gain", "Volume"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_input_gain_ctl, + i, 1, s, &private->input_gain_ctls[i]); + if (err < 0) + return err; + + snprintf(s, sizeof(s), fmt, i + 1, + "Autogain", "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_autogain_switch_ctl, + i, 1, s, &private->autogain_ctls[i]); + if (err < 0) + return err; + + snprintf(s, sizeof(s), fmt, i + 1, + "Autogain Status", "Enum"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_autogain_status_ctl, + i, 1, s, &private->autogain_status_ctls[i]); + + snprintf(s, sizeof(s), fmt, i + 1, + "Safe", "Switch"); + err = scarlett2_add_new_ctl( + mixer, &scarlett2_safe_ctl, + i, 1, s, &private->safe_ctls[i]); + if (err < 0) + return err; + } + } + + /* Add PCM Input Switch control */ + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_PCM_INPUT_SWITCH)) { + err = scarlett2_add_new_ctl( + mixer, &scarlett2_pcm_input_switch_ctl, 0, 1, + "PCM Input Capture Switch", + &private->pcm_input_switch_ctl); + if (err < 0) + return err; + } + return 0; } /*** Mixer Volume Controls ***/ +static int scarlett2_update_mix(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int i, err; + + private->mix_updated = 0; + + for (i = 0; i < private->num_mix_out; i++) { + err = scarlett2_usb_get_mix(mixer, i); + if (err < 0) + return err; + } + + return 1; +} + static int scarlett2_mixer_ctl_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { @@ -3566,10 +5573,27 @@ 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_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; + int err = 0; + + mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->mix_updated) { + err = scarlett2_update_mix(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.integer.value[0] = private->mix[elem->control]; - return 0; + +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_mixer_ctl_put(struct snd_kcontrol *kctl, @@ -3578,17 +5602,20 @@ 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_data *private = mixer->private_data; - const struct scarlett2_device_info *info = private->info; - const int (*port_count)[SCARLETT2_PORT_DIRNS] = info->port_count; - int oval, val, num_mixer_in, mix_num, err = 0; + int oval, val, mix_num, err = 0; int index = elem->control; mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->mix[index]; - val = ucontrol->value.integer.value[0]; - num_mixer_in = port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT]; - mix_num = index / num_mixer_in; + val = clamp(ucontrol->value.integer.value[0], + 0L, (long)SCARLETT2_MIXER_MAX_VALUE); + mix_num = index / private->num_mix_in; if (oval == val) goto unlock; @@ -3624,24 +5651,18 @@ static const struct snd_kcontrol_new scarlett2_mixer_ctl = { static int scarlett2_add_mixer_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 err, i, j; int index; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - 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 (j = 0; j < num_inputs; j++, index++) { + for (i = 0, index = 0; i < private->num_mix_out; i++) + for (j = 0; j < private->num_mix_in; j++, index++) { snprintf(s, sizeof(s), "Mix %c Input %02d Playback Volume", 'A' + i, j + 1); err = scarlett2_add_new_ctl(mixer, &scarlett2_mixer_ctl, - index, 1, s, NULL); + index, 1, s, + &private->mix_ctls[index]); if (err < 0) return err; } @@ -3649,6 +5670,252 @@ static int scarlett2_add_mixer_ctls(struct usb_mixer_interface *mixer) return 0; } +/*** Direct Monitor Control ***/ + +static int scarlett2_update_direct_monitor(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + private->direct_monitor_updated = 0; + + if (!private->info->direct_monitor) + return 0; + + return scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_DIRECT_MONITOR, + 1, &private->direct_monitor_switch); +} + +static int scarlett2_update_monitor_mix(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err, i; + u16 mix_values[SCARLETT2_MONITOR_MIX_MAX]; + + if (!private->num_monitor_mix_ctls) + return 0; + + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN, + private->num_monitor_mix_ctls, mix_values); + if (err < 0) + return err; + + for (i = 0; i < private->num_monitor_mix_ctls; i++) + private->monitor_mix[i] = scarlett2_mixer_value_to_db( + mix_values[i]); + + return 0; +} + +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 = mixer->private_data; + int err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->direct_monitor_updated) { + err = scarlett2_update_direct_monitor(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.enumerated.item[0] = private->direct_monitor_switch; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +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_data *private = mixer->private_data; + + int index = elem->control; + int oval, val, err = 0; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + 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_monitor_mix_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->monitor_mix[elem->control]; + + return 0; +} + +static int scarlett2_monitor_mix_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; + int index = elem->control; + + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + oval = private->monitor_mix[index]; + val = clamp(ucontrol->value.integer.value[0], + 0L, (long)SCARLETT2_MIXER_MAX_VALUE); + + if (oval == val) + goto unlock; + + private->monitor_mix[index] = val; + err = scarlett2_usb_set_config( + mixer, SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN, + index, scarlett2_mixer_values[val]); + if (err == 0) + err = 1; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static const struct snd_kcontrol_new scarlett2_monitor_mix_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .name = "", + .info = scarlett2_mixer_ctl_info, + .get = scarlett2_monitor_mix_ctl_get, + .put = scarlett2_monitor_mix_ctl_put, + .private_value = SCARLETT2_MIXER_MAX_DB, /* max value */ + .tlv = { .p = db_scale_scarlett2_mixer } +}; + +static int scarlett2_add_direct_monitor_ctls(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info; + const char *s; + int err, i, j, k, index; + + if (!info->direct_monitor) + return 0; + + s = info->direct_monitor == 1 + ? "Direct Monitor Playback Switch" + : "Direct Monitor Playback Enum"; + + err = scarlett2_add_new_ctl( + mixer, &scarlett2_direct_monitor_ctl[info->direct_monitor - 1], + 0, 1, s, &private->direct_monitor_ctl); + if (err < 0) + return err; + + if (!private->num_monitor_mix_ctls) + return 0; + + /* 1 or 2 direct monitor selections (Mono & Stereo) */ + for (i = 0, index = 0; i < info->direct_monitor; i++) { + const char * const format = + "Monitor %sMix %c Input %02d Playback Volume"; + const char *mix_type; + + if (info->direct_monitor == 1) + mix_type = ""; + else if (i == 0) + mix_type = "1 "; + else + mix_type = "2 "; + + /* 2 Mix outputs, A/Left & B/Right */ + for (j = 0; j < 2; j++) + + /* Mix inputs */ + for (k = 0; k < private->num_mix_in; k++, index++) { + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + + snprintf(name, sizeof(name), format, + mix_type, 'A' + j, k + 1); + + err = scarlett2_add_new_ctl( + mixer, &scarlett2_monitor_mix_ctl, + index, 1, name, NULL); + if (err < 0) + return err; + } + } + + return 0; +} + /*** Mux Source Selection Controls ***/ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, @@ -3676,8 +5943,16 @@ static int scarlett2_mux_src_enum_ctl_info(struct snd_kcontrol *kctl, const struct scarlett2_port *port = &scarlett2_ports[port_type]; - sprintf(uinfo->value.enumerated.name, - port->src_descr, item + port->src_num_offset); + if (port_type == SCARLETT2_PORT_TYPE_MIX && + item >= private->num_mix_out) + sprintf(uinfo->value.enumerated.name, + port->dsp_src_descr, + item - private->num_mix_out + 1); + else + sprintf(uinfo->value.enumerated.name, + port->src_descr, + item + port->src_num_offset); + return 0; } item -= port_count[port_type][SCARLETT2_PORT_IN]; @@ -3693,14 +5968,25 @@ static int scarlett2_mux_src_enum_ctl_get(struct snd_kcontrol *kctl, struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; int index = line_out_remap(private, elem->control); + int err = 0; mutex_lock(&private->data_mutex); - if (private->mux_updated) - scarlett2_usb_get_mux(mixer); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + if (private->mux_updated) { + err = scarlett2_usb_get_mux(mixer); + if (err < 0) + goto unlock; + } ucontrol->value.enumerated.item[0] = private->mux[index]; - mutex_unlock(&private->data_mutex); - return 0; +unlock: + mutex_unlock(&private->data_mutex); + return err; } static int scarlett2_mux_src_enum_ctl_put(struct snd_kcontrol *kctl, @@ -3714,6 +6000,11 @@ static int scarlett2_mux_src_enum_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->mux[index]; val = min(ucontrol->value.enumerated.item[0], private->num_mux_srcs - 1U); @@ -3754,10 +6045,18 @@ static int scarlett2_add_mux_enums(struct usb_mixer_interface *mixer) channel++, i++) { int err; char s[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - const char *const descr = - scarlett2_ports[port_type].dst_descr; + int channel_num = channel + 1; + const struct scarlett2_port *port = + &scarlett2_ports[port_type]; + const char *descr = port->dst_descr; + + if (port_type == SCARLETT2_PORT_TYPE_MIX && + channel >= private->num_mix_in) { + channel_num -= private->num_mix_in; + descr = port->dsp_dst_descr; + } - snprintf(s, sizeof(s) - 5, descr, channel + 1); + snprintf(s, sizeof(s) - 5, descr, channel_num); strcat(s, " Enum"); err = scarlett2_add_new_ctl(mixer, @@ -3791,15 +6090,23 @@ 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; - struct scarlett2_data *private = elem->head.mixer->private_data; + struct usb_mixer_interface *mixer = elem->head.mixer; + struct scarlett2_data *private = mixer->private_data; u8 *meter_level_map = private->meter_level_map; u16 meter_levels[SCARLETT2_MAX_METERS]; int i, err; - err = scarlett2_usb_get_meter_levels(elem->head.mixer, elem->channels, + mutex_lock(&private->data_mutex); + + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + + err = scarlett2_usb_get_meter_levels(mixer, elem->channels, meter_levels); if (err < 0) - return err; + goto unlock; /* copy & translate from meter_levels[] using meter_level_map[] */ for (i = 0; i < elem->channels; i++) { @@ -3814,7 +6121,10 @@ static int scarlett2_meter_ctl_get(struct snd_kcontrol *kctl, ucontrol->value.integer.value[i] = value; } - return 0; +unlock: + mutex_unlock(&private->data_mutex); + + return err; } static const struct snd_kcontrol_new scarlett2_meter_ctl = { @@ -3830,7 +6140,7 @@ 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->config_set == SCARLETT2_CONFIG_SET_GEN_3A) + if (!scarlett2_has_mixer(private)) return 0; return scarlett2_add_new_ctl(mixer, &scarlett2_meter_ctl, @@ -3861,6 +6171,11 @@ static int scarlett2_msd_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->msd_switch; val = !!ucontrol->value.integer.value[0]; @@ -3891,9 +6206,8 @@ static const struct snd_kcontrol_new scarlett2_msd_ctl = { 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) + if (!scarlett2_has_config_item(private, SCARLETT2_CONFIG_MSD_SWITCH)) return 0; /* If MSD mode is off, hide the switch by default */ @@ -3928,6 +6242,11 @@ static int scarlett2_standalone_ctl_put(struct snd_kcontrol *kctl, mutex_lock(&private->data_mutex); + if (private->hwdep_in_use) { + err = -EBUSY; + goto unlock; + } + oval = private->standalone_switch; val = !!ucontrol->value.integer.value[0]; @@ -3960,7 +6279,8 @@ static int scarlett2_add_standalone_ctl(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; - if (private->info->config_set == SCARLETT2_CONFIG_SET_GEN_3A) + if (!scarlett2_has_config_item(private, + SCARLETT2_CONFIG_STANDALONE_SWITCH)) return 0; /* Add standalone control */ @@ -3968,6 +6288,91 @@ static int scarlett2_add_standalone_ctl(struct usb_mixer_interface *mixer) 0, 1, "Standalone Switch", NULL); } +/*** Power Status ***/ + +static int scarlett2_update_power_status(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err; + u8 power_ext; + u8 power_status; + + private->power_status_updated = 0; + + err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_EXT, + 1, &power_ext); + if (err < 0) + return err; + + err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_STATUS, + 1, &power_status); + if (err < 0) + return err; + + if (power_status > 1) + private->power_status = SCARLETT2_POWER_STATUS_FAIL; + else if (power_ext) + private->power_status = SCARLETT2_POWER_STATUS_EXT; + else + private->power_status = SCARLETT2_POWER_STATUS_BUS; + + return 0; +} + +static int scarlett2_power_status_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 err = 0; + + mutex_lock(&private->data_mutex); + + if (private->power_status_updated) { + err = scarlett2_update_power_status(mixer); + if (err < 0) + goto unlock; + } + ucontrol->value.integer.value[0] = private->power_status; + +unlock: + mutex_unlock(&private->data_mutex); + return err; +} + +static int scarlett2_power_status_ctl_info( + struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) +{ + static const char *const values[3] = { + "External", "Bus", "Fail" + }; + + return snd_ctl_enum_info(uinfo, 1, 3, values); +} + +static const struct snd_kcontrol_new scarlett2_power_status_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_CARD, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .name = "", + .info = scarlett2_power_status_ctl_info, + .get = scarlett2_power_status_ctl_get, +}; + +static int scarlett2_add_power_status_ctl(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + if (!scarlett2_has_config_item(private, + SCARLETT2_CONFIG_POWER_EXT)) + return 0; + + /* Add power status control */ + return scarlett2_add_new_ctl(mixer, &scarlett2_power_status_ctl, + 0, 1, "Power Status Card Enum", + &private->power_status_ctl); +} + /*** Cleanup/Suspend Callbacks ***/ static void scarlett2_private_free(struct usb_mixer_interface *mixer) @@ -3989,12 +6394,13 @@ static void scarlett2_private_suspend(struct usb_mixer_interface *mixer) /*** Initialisation ***/ -static void scarlett2_count_mux_io(struct scarlett2_data *private) +static void scarlett2_count_io(struct scarlett2_data *private) { 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; + /* Count the number of mux sources and destinations */ for (port_type = 0; port_type < SCARLETT2_PORT_TYPE_COUNT; port_type++) { @@ -4004,6 +6410,26 @@ static void scarlett2_count_mux_io(struct scarlett2_data *private) private->num_mux_srcs = srcs; private->num_mux_dsts = dsts; + + /* Mixer inputs are mux outputs and vice versa. + * Scarlett Gen 4 DSP I/O uses SCARLETT2_PORT_TYPE_MIX but + * doesn't have mixer controls. + */ + private->num_mix_in = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_OUT] - + info->dsp_count; + + private->num_mix_out = + port_count[SCARLETT2_PORT_TYPE_MIX][SCARLETT2_PORT_IN] - + info->dsp_count; + + /* Number of analogue line outputs */ + private->num_line_out = + port_count[SCARLETT2_PORT_TYPE_ANALOGUE][SCARLETT2_PORT_OUT]; + + /* Number of monitor mix controls */ + private->num_monitor_mix_ctls = + info->direct_monitor * 2 * private->num_mix_in; } /* Look through the interface descriptors for the Focusrite Control @@ -4057,8 +6483,9 @@ static int scarlett2_init_private(struct usb_mixer_interface *mixer, mixer->private_suspend = scarlett2_private_suspend; private->info = entry->info; + private->config_set = entry->info->config_set; private->series_name = entry->series_name; - scarlett2_count_mux_io(private); + scarlett2_count_io(private); private->scarlett2_seq = 0; private->mixer = mixer; @@ -4107,97 +6534,254 @@ static int scarlett2_usb_init(struct usb_mixer_interface *mixer) return 0; } +/* Get the flash segment numbers for the App_Settings and App_Upgrade + * segments and put them in the private data + */ +static int scarlett2_get_flash_segment_nums(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int err, count, i; + + struct { + __le32 size; + __le32 count; + u8 unknown[8]; + } __packed flash_info; + + struct { + __le32 size; + __le32 flags; + char name[16]; + } __packed segment_info; + + err = scarlett2_usb(mixer, SCARLETT2_USB_INFO_FLASH, + NULL, 0, + &flash_info, sizeof(flash_info)); + if (err < 0) + return err; + + count = le32_to_cpu(flash_info.count); + + /* sanity check count */ + if (count < SCARLETT2_SEGMENT_NUM_MIN || + count > SCARLETT2_SEGMENT_NUM_MAX + 1) { + usb_audio_err(mixer->chip, + "invalid flash segment count: %d\n", count); + return -EINVAL; + } + + for (i = 0; i < count; i++) { + __le32 segment_num_req = cpu_to_le32(i); + int flash_segment_id; + + err = scarlett2_usb(mixer, SCARLETT2_USB_INFO_SEGMENT, + &segment_num_req, sizeof(segment_num_req), + &segment_info, sizeof(segment_info)); + if (err < 0) { + usb_audio_err(mixer->chip, + "failed to get flash segment info %d: %d\n", + i, err); + return err; + } + + if (!strncmp(segment_info.name, + SCARLETT2_SEGMENT_SETTINGS_NAME, 16)) + flash_segment_id = SCARLETT2_SEGMENT_ID_SETTINGS; + else if (!strncmp(segment_info.name, + SCARLETT2_SEGMENT_FIRMWARE_NAME, 16)) + flash_segment_id = SCARLETT2_SEGMENT_ID_FIRMWARE; + else + continue; + + private->flash_segment_nums[flash_segment_id] = i; + private->flash_segment_blocks[flash_segment_id] = + le32_to_cpu(segment_info.size) / + SCARLETT2_FLASH_BLOCK_SIZE; + } + + /* segment 0 is App_Gold and we never want to touch that, so + * use 0 as the "not-found" value + */ + if (!private->flash_segment_nums[SCARLETT2_SEGMENT_ID_SETTINGS]) { + usb_audio_err(mixer->chip, + "failed to find flash segment %s\n", + SCARLETT2_SEGMENT_SETTINGS_NAME); + return -EINVAL; + } + if (!private->flash_segment_nums[SCARLETT2_SEGMENT_ID_FIRMWARE]) { + usb_audio_err(mixer->chip, + "failed to find flash segment %s\n", + SCARLETT2_SEGMENT_FIRMWARE_NAME); + return -EINVAL; + } + + return 0; +} + /* Read configuration from the interface on start */ static int scarlett2_read_configs(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_line_out = - 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->has_msd_mode) { + if (scarlett2_has_config_item(private, SCARLETT2_CONFIG_MSD_SWITCH)) { err = scarlett2_usb_get_config( mixer, SCARLETT2_CONFIG_MSD_SWITCH, 1, &private->msd_switch); if (err < 0) return err; + } - /* no other controls are created if MSD mode is on */ - if (private->msd_switch) - return 0; + if (private->firmware_version < info->min_firmware_version) { + usb_audio_err(mixer->chip, + "Focusrite %s firmware version %d is too old; " + "need %d", + private->series_name, + private->firmware_version, + info->min_firmware_version); + return 0; } - err = scarlett2_update_input_other(mixer); + /* no other controls are created if MSD mode is on */ + if (private->msd_switch) + return 0; + + err = scarlett2_update_input_level(mixer); if (err < 0) return err; - err = scarlett2_update_monitor_other(mixer); + err = scarlett2_update_input_pad(mixer); + if (err < 0) + return err; + + err = scarlett2_update_input_air(mixer); + if (err < 0) + return err; + + err = scarlett2_update_input_phantom(mixer); + if (err < 0) + return err; + + err = scarlett2_update_direct_monitor(mixer); if (err < 0) return err; /* the rest of the configuration is for devices with a mixer */ - if (info->config_set == SCARLETT2_CONFIG_SET_GEN_3A) + if (!scarlett2_has_mixer(private)) return 0; - err = scarlett2_usb_get_config( - mixer, SCARLETT2_CONFIG_STANDALONE_SWITCH, - 1, &private->standalone_switch); + err = scarlett2_update_monitor_mix(mixer); if (err < 0) return err; - err = scarlett2_update_sync(mixer); + err = scarlett2_update_monitor_other(mixer); if (err < 0) return err; - err = scarlett2_usb_get_volume_status(mixer, &volume_status); + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_STANDALONE_SWITCH)) { + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_STANDALONE_SWITCH, + 1, &private->standalone_switch); + if (err < 0) + return err; + } + + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_POWER_EXT)) { + err = scarlett2_update_power_status(mixer); + if (err < 0) + return err; + } + + err = scarlett2_update_sync(mixer); 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]; + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_LINE_OUT_VOLUME)) { + s16 sw_vol[SCARLETT2_ANALOGUE_MAX]; - private->master_vol = clamp( - volume_status.master_vol + SCARLETT2_VOLUME_BIAS, - 0, SCARLETT2_VOLUME_BIAS); + /* read SW line out volume */ + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_LINE_OUT_VOLUME, + private->num_line_out, &sw_vol); + if (err < 0) + return err; - for (i = 0; i < num_line_out; i++) { - int volume, mute; + for (i = 0; i < private->num_line_out; i++) + private->vol[i] = clamp( + sw_vol[i] + SCARLETT2_VOLUME_BIAS, + 0, SCARLETT2_VOLUME_BIAS); - private->vol_sw_hw_switch[i] = - info->line_out_hw_vol - && volume_status.sw_hw_switch[i]; + /* read SW mute */ + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_MUTE_SWITCH, + private->num_line_out, &private->mute_switch); + if (err < 0) + return err; - volume = private->vol_sw_hw_switch[i] - ? volume_status.master_vol - : volume_status.sw_vol[i]; - volume = clamp(volume + SCARLETT2_VOLUME_BIAS, - 0, SCARLETT2_VOLUME_BIAS); - private->vol[i] = volume; + for (i = 0; i < private->num_line_out; i++) + private->mute_switch[i] = + !!private->mute_switch[i]; + + /* read SW/HW switches */ + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_SW_HW_SWITCH)) { + err = scarlett2_usb_get_config( + mixer, SCARLETT2_CONFIG_SW_HW_SWITCH, + private->num_line_out, + &private->vol_sw_hw_switch); + if (err < 0) + return err; - 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 < private->num_line_out; i++) + private->vol_sw_hw_switch[i] = + !!private->vol_sw_hw_switch[i]; + } } - for (i = 0; i < num_mixer_out; i++) { - err = scarlett2_usb_get_mix(mixer, i); + err = scarlett2_update_volumes(mixer); + if (err < 0) + return err; + + err = scarlett2_update_dim_mute(mixer); + if (err < 0) + return err; + + err = scarlett2_update_input_select(mixer); + if (err < 0) + return err; + + err = scarlett2_update_input_gain(mixer); + if (err < 0) + return err; + + err = scarlett2_update_autogain(mixer); + if (err < 0) + return err; + + err = scarlett2_update_input_safe(mixer); + if (err < 0) + return err; + + if (scarlett2_has_config_item(private, + SCARLETT2_CONFIG_PCM_INPUT_SWITCH)) { + err = scarlett2_update_pcm_input_switch(mixer); if (err < 0) return err; } + err = scarlett2_update_mix(mixer); + if (err < 0) + return err; + return scarlett2_usb_get_mux(mixer); } /* Notify on sync change */ -static void scarlett2_notify_sync( - struct usb_mixer_interface *mixer) +static void scarlett2_notify_sync(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data; @@ -4207,20 +6791,14 @@ static void scarlett2_notify_sync( &private->sync_ctl->id); } -/* Notify on monitor change */ -static void scarlett2_notify_monitor( - struct usb_mixer_interface *mixer) +/* Notify on monitor change (Gen 2/3) */ +static void scarlett2_notify_monitor(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; - 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; - /* if line_out_hw_vol is 0, there are no controls to update */ - if (!info->line_out_hw_vol) + if (!scarlett2_has_config_item(private, SCARLETT2_CONFIG_SW_HW_SWITCH)) return; private->vol_updated = 1; @@ -4228,82 +6806,208 @@ static void scarlett2_notify_monitor( snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &private->master_vol_ctl->id); - for (i = 0; i < num_line_out; i++) + for (i = 0; i < private->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 volume change (Gen 4) */ +static void scarlett2_notify_volume(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + private->vol_updated = 1; + + snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->master_vol_ctl->id); + snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->headphone_vol_ctl->id); +} + /* Notify on dim/mute change */ -static void scarlett2_notify_dim_mute( - struct usb_mixer_interface *mixer) +static void scarlett2_notify_dim_mute(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; - 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; - - if (!info->line_out_hw_vol) + if (!scarlett2_has_config_item(private, SCARLETT2_CONFIG_SW_HW_SWITCH)) return; + private->dim_mute_updated = 1; + 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++) + for (i = 0; i < private->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) +/* Notify on input level switch change */ +static void scarlett2_notify_input_level(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; + private->input_level_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); +} + +/* Notify on input pad switch change */ +static void scarlett2_notify_input_pad(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_pad_updated = 1; + for (i = 0; i < info->pad_input_count; i++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &private->pad_ctls[i]->id); +} + +/* Notify on input air switch change */ +static void scarlett2_notify_input_air(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_air_updated = 1; + for (i = 0; i < info->air_input_count; i++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &private->air_ctls[i]->id); +} + +/* Notify on input phantom switch change */ +static void scarlett2_notify_input_phantom(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_phantom_updated = 1; + for (i = 0; i < info->phantom_count; i++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &private->phantom_ctls[i]->id); + + scarlett2_phantom_notify_access(mixer); } -/* Notify on "monitor other" change (direct monitor, speaker - * switching, talkback) - */ -static void scarlett2_notify_monitor_other( - struct usb_mixer_interface *mixer) +/* Notify on "input other" change (level/pad/air/phantom) */ +static void scarlett2_notify_input_other(struct usb_mixer_interface *mixer) +{ + scarlett2_notify_input_level(mixer); + scarlett2_notify_input_pad(mixer); + scarlett2_notify_input_air(mixer); + scarlett2_notify_input_phantom(mixer); +} + +/* Notify on input select change */ +static void scarlett2_notify_input_select(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->monitor_other_updated = 1; + if (!info->gain_input_count) + return; + + private->input_select_updated = 1; - if (info->direct_monitor) { + snd_ctl_notify(card, + SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, + &private->input_select_ctl->id); + + for (i = 0; i < info->gain_input_count / 2; i++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, - &private->direct_monitor_ctl->id); + &private->input_link_ctls[i]->id); +} + +/* Notify on input gain change */ +static void scarlett2_notify_input_gain(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; + + if (!info->gain_input_count) return; + + private->input_gain_updated = 1; + + for (i = 0; i < info->gain_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->input_gain_ctls[i]->id); +} + +/* Notify on autogain change */ +static void scarlett2_notify_autogain(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; + + if (!info->gain_input_count) + return; + + private->autogain_updated = 1; + + for (i = 0; i < info->gain_input_count; i++) { + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->autogain_ctls[i]->id); + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->autogain_status_ctls[i]->id); } + scarlett2_autogain_notify_access(mixer); +} + +/* Notify on input safe switch change */ +static void scarlett2_notify_input_safe(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; + + if (!info->gain_input_count) + return; + + private->input_safe_updated = 1; + + for (i = 0; i < info->gain_input_count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->safe_ctls[i]->id); +} + +/* Notify on "monitor other" change (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->has_speaker_switching) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &private->speaker_switching_ctl->id); @@ -4329,6 +7033,70 @@ static void scarlett2_notify_monitor_other( } } +/* Notify on direct monitor switch change */ +static void scarlett2_notify_direct_monitor(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + int count = private->num_mix_in * private->num_mix_out; + int i; + + private->direct_monitor_updated = 1; + + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->direct_monitor_ctl->id); + + if (!scarlett2_has_mixer(private)) + return; + + private->mix_updated = 1; + + /* Notify of change to the mix controls */ + for (i = 0; i < count; i++) + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->mix_ctls[i]->id); +} + +/* Notify on power change */ +static void scarlett2_notify_power_status(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + + private->power_status_updated = 1; + + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->power_status_ctl->id); +} + +/* Notify on mux change */ +static void scarlett2_notify_mux(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + int i; + + 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); +} + +/* Notify on PCM input switch change */ +static void scarlett2_notify_pcm_input_switch(struct usb_mixer_interface *mixer) +{ + struct snd_card *card = mixer->chip->card; + struct scarlett2_data *private = mixer->private_data; + + private->pcm_input_switch_updated = 1; + + snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, + &private->pcm_input_switch_ctl->id); + + scarlett2_notify_mux(mixer); +} + /* Interrupt callback */ static void scarlett2_notify(struct urb *urb) { @@ -4336,21 +7104,28 @@ static void scarlett2_notify(struct urb *urb) int len = urb->actual_length; int ustatus = urb->status; u32 data; + struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_notification *notifications = + private->config_set->notifications; if (ustatus != 0 || len != 8) goto requeue; 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); + + while (data && notifications->mask) { + if (data & notifications->mask) { + data &= ~notifications->mask; + if (notifications->func) + notifications->func(mixer); + } + notifications++; + } + + if (data) + usb_audio_warn(mixer->chip, + "%s: Unhandled notification: 0x%08x\n", + __func__, data); requeue: if (ustatus != -ENOENT && @@ -4410,6 +7185,7 @@ static int snd_scarlett2_controls_create( struct usb_mixer_interface *mixer, const struct scarlett2_device_entry *entry) { + struct scarlett2_data *private; int err; /* Initialise private data */ @@ -4417,16 +7193,28 @@ static int snd_scarlett2_controls_create( if (err < 0) return err; + private = mixer->private_data; + /* Send proprietary USB initialisation sequence */ err = scarlett2_usb_init(mixer); if (err < 0) return err; + /* Get the upgrade & settings flash segment numbers */ + err = scarlett2_get_flash_segment_nums(mixer); + if (err < 0) + return err; + /* Add firmware version control */ err = scarlett2_add_firmware_version_ctl(mixer); if (err < 0) return err; + /* Add minimum firmware version control */ + err = scarlett2_add_min_firmware_version_ctl(mixer); + if (err < 0) + return err; + /* Read volume levels and controls from the interface */ err = scarlett2_read_configs(mixer); if (err < 0) @@ -4437,8 +7225,11 @@ static int snd_scarlett2_controls_create( 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) + /* If MSD mode is enabled, or if the firmware version is too + * old, don't create any other controls + */ + if (private->msd_switch || + private->firmware_version < private->info->min_firmware_version) return 0; /* Create the analogue output controls */ @@ -4471,8 +7262,8 @@ static int snd_scarlett2_controls_create( if (err < 0) return err; - /* Create the direct monitor control */ - err = scarlett2_add_direct_monitor_ctl(mixer); + /* Create the direct monitor control(s) */ + err = scarlett2_add_direct_monitor_ctls(mixer); if (err < 0) return err; @@ -4491,6 +7282,19 @@ static int snd_scarlett2_controls_create( if (err < 0) return err; + /* Create the power status control */ + err = scarlett2_add_power_status_ctl(mixer); + if (err < 0) + return err; + + /* Set the access mode of controls disabled during + * autogain/phantom power switching. + */ + if (private->info->gain_input_count) { + scarlett2_autogain_update_access(mixer); + scarlett2_phantom_update_access(mixer); + } + /* Set up the interrupt polling */ err = scarlett2_init_notify(mixer); if (err < 0) @@ -4499,6 +7303,393 @@ static int snd_scarlett2_controls_create( return 0; } +/*** hwdep interface ***/ + +/* Set private->hwdep_in_use; prevents access to the ALSA controls + * while doing a config erase/firmware upgrade. + */ +static void scarlett2_lock(struct scarlett2_data *private) +{ + mutex_lock(&private->data_mutex); + private->hwdep_in_use = 1; + mutex_unlock(&private->data_mutex); +} + +/* Call SCARLETT2_USB_GET_ERASE to get the erase progress */ +static int scarlett2_get_erase_progress(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int segment_id, segment_num, err; + u8 erase_resp; + + struct { + __le32 segment_num; + __le32 pad; + } __packed erase_req; + + segment_id = private->selected_flash_segment_id; + segment_num = private->flash_segment_nums[segment_id]; + + if (segment_num < SCARLETT2_SEGMENT_NUM_MIN || + segment_num > SCARLETT2_SEGMENT_NUM_MAX) + return -EFAULT; + + /* Send the erase progress request */ + erase_req.segment_num = cpu_to_le32(segment_num); + erase_req.pad = 0; + + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_ERASE, + &erase_req, sizeof(erase_req), + &erase_resp, sizeof(erase_resp)); + if (err < 0) + return err; + + return erase_resp; +} + +/* Repeatedly call scarlett2_get_erase_progress() until it returns + * 0xff (erase complete) or we've waited 10 seconds (it usually takes + * <3 seconds). + */ +static int scarlett2_wait_for_erase(struct usb_mixer_interface *mixer) +{ + int i, err; + + for (i = 0; i < 100; i++) { + err = scarlett2_get_erase_progress(mixer); + if (err < 0) + return err; + + if (err == 0xff) + return 0; + + msleep(100); + } + + return -ETIMEDOUT; +} + +/* Reboot the device; wait for the erase to complete if one is in + * progress. + */ +static int scarlett2_reboot(struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + + if (private->flash_write_state == + SCARLETT2_FLASH_WRITE_STATE_ERASING) { + int err = scarlett2_wait_for_erase(mixer); + + if (err < 0) + return err; + } + + return scarlett2_usb(mixer, SCARLETT2_USB_REBOOT, NULL, 0, NULL, 0); +} + +/* Select a flash segment for erasing (and possibly writing to) */ +static int scarlett2_ioctl_select_flash_segment( + struct usb_mixer_interface *mixer, + unsigned long arg) +{ + struct scarlett2_data *private = mixer->private_data; + int segment_id, segment_num; + + if (get_user(segment_id, (int __user *)arg)) + return -EFAULT; + + /* Check the segment ID and segment number */ + if (segment_id < 0 || segment_id >= SCARLETT2_SEGMENT_ID_COUNT) + return -EINVAL; + + segment_num = private->flash_segment_nums[segment_id]; + if (segment_num < SCARLETT2_SEGMENT_NUM_MIN || + segment_num > SCARLETT2_SEGMENT_NUM_MAX) { + usb_audio_err(mixer->chip, + "%s: invalid segment number %d\n", + __func__, segment_id); + return -EFAULT; + } + + /* If erasing, wait for it to complete */ + if (private->flash_write_state == SCARLETT2_FLASH_WRITE_STATE_ERASING) { + int err = scarlett2_wait_for_erase(mixer); + + if (err < 0) + return err; + } + + /* Save the selected segment ID and set the state to SELECTED */ + private->selected_flash_segment_id = segment_id; + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_SELECTED; + + return 0; +} + +/* Erase the previously-selected flash segment */ +static int scarlett2_ioctl_erase_flash_segment( + struct usb_mixer_interface *mixer) +{ + struct scarlett2_data *private = mixer->private_data; + int segment_id, segment_num, err; + + struct { + __le32 segment_num; + __le32 pad; + } __packed erase_req; + + if (private->flash_write_state != SCARLETT2_FLASH_WRITE_STATE_SELECTED) + return -EINVAL; + + segment_id = private->selected_flash_segment_id; + segment_num = private->flash_segment_nums[segment_id]; + + if (segment_num < SCARLETT2_SEGMENT_NUM_MIN || + segment_num > SCARLETT2_SEGMENT_NUM_MAX) + return -EFAULT; + + /* Prevent access to ALSA controls that access the device from + * here on + */ + scarlett2_lock(private); + + /* Send the erase request */ + erase_req.segment_num = cpu_to_le32(segment_num); + erase_req.pad = 0; + + err = scarlett2_usb(mixer, SCARLETT2_USB_ERASE_SEGMENT, + &erase_req, sizeof(erase_req), + NULL, 0); + if (err < 0) + return err; + + /* On success, change the state from SELECTED to ERASING */ + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_ERASING; + + return 0; +} + +/* Get the erase progress from the device */ +static int scarlett2_ioctl_get_erase_progress( + struct usb_mixer_interface *mixer, + unsigned long arg) +{ + struct scarlett2_data *private = mixer->private_data; + struct scarlett2_flash_segment_erase_progress progress; + int segment_id, segment_num, err; + u8 erase_resp; + + struct { + __le32 segment_num; + __le32 pad; + } __packed erase_req; + + /* Check that we're erasing */ + if (private->flash_write_state != SCARLETT2_FLASH_WRITE_STATE_ERASING) + return -EINVAL; + + segment_id = private->selected_flash_segment_id; + segment_num = private->flash_segment_nums[segment_id]; + + if (segment_num < SCARLETT2_SEGMENT_NUM_MIN || + segment_num > SCARLETT2_SEGMENT_NUM_MAX) + return -EFAULT; + + /* Send the erase progress request */ + erase_req.segment_num = cpu_to_le32(segment_num); + erase_req.pad = 0; + + err = scarlett2_usb(mixer, SCARLETT2_USB_GET_ERASE, + &erase_req, sizeof(erase_req), + &erase_resp, sizeof(erase_resp)); + if (err < 0) + return err; + + progress.progress = erase_resp; + progress.num_blocks = private->flash_segment_blocks[segment_id]; + + if (copy_to_user((void __user *)arg, &progress, sizeof(progress))) + return -EFAULT; + + /* If the erase is complete, change the state from ERASING to + * WRITE. + */ + if (progress.progress == 0xff) + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_WRITE; + + return 0; +} + +static int scarlett2_hwdep_open(struct snd_hwdep *hw, struct file *file) +{ + struct usb_mixer_interface *mixer = hw->private_data; + struct scarlett2_data *private = mixer->private_data; + + /* If erasing, wait for it to complete */ + if (private->flash_write_state == + SCARLETT2_FLASH_WRITE_STATE_ERASING) { + int err = scarlett2_wait_for_erase(mixer); + + if (err < 0) + return err; + } + + /* Set the state to IDLE */ + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_IDLE; + + return 0; +} + +static int scarlett2_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct usb_mixer_interface *mixer = hw->private_data; + + switch (cmd) { + + case SCARLETT2_IOCTL_PVERSION: + return put_user(SCARLETT2_HWDEP_VERSION, + (int __user *)arg) ? -EFAULT : 0; + + case SCARLETT2_IOCTL_REBOOT: + return scarlett2_reboot(mixer); + + case SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT: + return scarlett2_ioctl_select_flash_segment(mixer, arg); + + case SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT: + return scarlett2_ioctl_erase_flash_segment(mixer); + + case SCARLETT2_IOCTL_GET_ERASE_PROGRESS: + return scarlett2_ioctl_get_erase_progress(mixer, arg); + + default: + return -ENOIOCTLCMD; + } +} + +static long scarlett2_hwdep_write(struct snd_hwdep *hw, + const char __user *buf, + long count, loff_t *offset) +{ + struct usb_mixer_interface *mixer = hw->private_data; + struct scarlett2_data *private = mixer->private_data; + int segment_id, segment_num, err, len; + int flash_size; + + /* SCARLETT2_USB_WRITE_SEGMENT request data */ + struct { + __le32 segment_num; + __le32 offset; + __le32 pad; + u8 data[]; + } __packed *req; + + /* Calculate the maximum permitted in data[] */ + const size_t max_data_size = SCARLETT2_FLASH_WRITE_MAX - + offsetof(typeof(*req), data); + + /* If erasing, wait for it to complete */ + if (private->flash_write_state == + SCARLETT2_FLASH_WRITE_STATE_ERASING) { + err = scarlett2_wait_for_erase(mixer); + if (err < 0) + return err; + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_WRITE; + + /* Check that an erase has been done & completed */ + } else if (private->flash_write_state != + SCARLETT2_FLASH_WRITE_STATE_WRITE) { + return -EINVAL; + } + + /* Check that we're writing to the upgrade firmware */ + segment_id = private->selected_flash_segment_id; + if (segment_id != SCARLETT2_SEGMENT_ID_FIRMWARE) + return -EINVAL; + + segment_num = private->flash_segment_nums[segment_id]; + if (segment_num < SCARLETT2_SEGMENT_NUM_MIN || + segment_num > SCARLETT2_SEGMENT_NUM_MAX) + return -EFAULT; + + /* Validate the offset and count */ + flash_size = private->flash_segment_blocks[segment_id] * + SCARLETT2_FLASH_BLOCK_SIZE; + + if (count < 0 || *offset < 0 || *offset + count >= flash_size) + return -EINVAL; + + if (!count) + return 0; + + /* Limit the *req size to SCARLETT2_FLASH_WRITE_MAX */ + if (count > max_data_size) + count = max_data_size; + + /* Create and send the request */ + len = struct_size(req, data, count); + req = kzalloc(len, GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->segment_num = cpu_to_le32(segment_num); + req->offset = cpu_to_le32(*offset); + req->pad = 0; + + if (copy_from_user(req->data, buf, count)) { + err = -EFAULT; + goto error; + } + + err = scarlett2_usb(mixer, SCARLETT2_USB_WRITE_SEGMENT, + req, len, NULL, 0); + if (err < 0) + goto error; + + *offset += count; + err = count; + +error: + kfree(req); + return err; +} + +static int scarlett2_hwdep_release(struct snd_hwdep *hw, struct file *file) +{ + struct usb_mixer_interface *mixer = hw->private_data; + struct scarlett2_data *private = mixer->private_data; + + /* Return from the SELECTED or WRITE state to IDLE. + * The ERASING state is left as-is, and checked on next open. + */ + if (private && + private->hwdep_in_use && + private->flash_write_state != SCARLETT2_FLASH_WRITE_STATE_ERASING) + private->flash_write_state = SCARLETT2_FLASH_WRITE_STATE_IDLE; + + return 0; +} + +static int scarlett2_hwdep_init(struct usb_mixer_interface *mixer) +{ + struct snd_hwdep *hw; + int err; + + err = snd_hwdep_new(mixer->chip->card, "Focusrite Control", 0, &hw); + if (err < 0) + return err; + + hw->private_data = mixer; + hw->exclusive = 1; + hw->ops.open = scarlett2_hwdep_open; + hw->ops.ioctl = scarlett2_hwdep_ioctl; + hw->ops.write = scarlett2_hwdep_write; + hw->ops.release = scarlett2_hwdep_release; + + return 0; +} + int snd_scarlett2_init(struct usb_mixer_interface *mixer) { struct snd_usb_audio *chip = mixer->chip; @@ -4534,16 +7725,26 @@ int snd_scarlett2_init(struct usb_mixer_interface *mixer) usb_audio_info(chip, "Focusrite %s Mixer Driver enabled (pid=0x%04x); " - "report any issues to g@b4.vu", + "report any issues to " + "https://github.com/geoffreybennett/scarlett-gen2/issues", entry->series_name, USB_ID_PRODUCT(chip->usb_id)); err = snd_scarlett2_controls_create(mixer, entry); - if (err < 0) + if (err < 0) { usb_audio_err(mixer->chip, "Error initialising %s Mixer Driver: %d", entry->series_name, err); + return err; + } + + err = scarlett2_hwdep_init(mixer); + if (err < 0) + usb_audio_err(mixer->chip, + "Error creating %s hwdep device: %d", + entry->series_name, + err); return err; } |