Add initial support for the Focusrite Scarlett Solo and 2i2 devices: - They have no mixer - They don't support reporting sync status or levels - The configuration space is laid out differently to the other models - There is no level (line/inst) switch on input 1 of the Solo
Co-developed-by: Vladimir Sadovnikov sadko4u@gmail.com Signed-off-by: Vladimir Sadovnikov sadko4u@gmail.com Signed-off-by: Geoffrey D. Bennett g@b4.vu --- sound/usb/mixer_quirks.c | 2 + sound/usb/mixer_scarlett_gen2.c | 94 ++++++++++++++++++++++++++++----- 2 files changed, 84 insertions(+), 12 deletions(-)
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index df7492594e91..0a3cb8fd7d00 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -3060,6 +3060,8 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */ case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */ case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */ + case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */ + case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */ case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */ case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */ case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */ diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 45b28585dacb..50a90693482f 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -4,9 +4,10 @@ * * Supported models: * - 6i6/18i8/18i20 Gen 2 - * - 4i4/8i6/18i8/18i20 Gen 3 + * - Solo/2i2/4i4/8i6/18i8/18i20 Gen 3 * * Copyright (c) 2018-2021 by Geoffrey D. Bennett <g at b4.vu> + * Copyright (c) 2020-2021 by Vladimir Sadovnikov sadko4u@gmail.com * * Based on the Scarlett (Gen 1) Driver for ALSA: * @@ -44,6 +45,9 @@ * interface during driver initialisation added in May 2021 (thanks to * Vladimir Sadovnikov for figuring out how). * + * Support for Solo/2i2 Gen 3 added in May 2021 (thanks to Alexander + * Vorona for 2i2 protocol traces). + * * This ALSA mixer gives access to (model-dependent): * - input, output, mixer-matrix muxes * - mixer-matrix gain stages @@ -297,6 +301,11 @@ struct scarlett2_device_info { */ u8 has_msd_mode;
+ /* Gen 3 devices without a mixer have a different + * configuration set + */ + u8 has_mixer; + /* line out hw volume is sw controlled */ u8 line_out_hw_vol;
@@ -305,6 +314,9 @@ struct scarlett2_device_info { */ u8 level_input_count;
+ /* the first input with a level control (0-based) */ + u8 level_input_first; + /* the number of analogue inputs with a software switchable * 10dB pad control */ @@ -362,6 +374,7 @@ struct scarlett2_data { static const struct scarlett2_device_info s6i6_gen2_info = { .usb_id = USB_ID(0x1235, 0x8203),
+ .has_mixer = 1, .level_input_count = 2, .pad_input_count = 2,
@@ -407,6 +420,7 @@ static const struct scarlett2_device_info s6i6_gen2_info = { static const struct scarlett2_device_info s18i8_gen2_info = { .usb_id = USB_ID(0x1235, 0x8204),
+ .has_mixer = 1, .level_input_count = 2, .pad_input_count = 4,
@@ -455,6 +469,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = { static const struct scarlett2_device_info s18i20_gen2_info = { .usb_id = USB_ID(0x1235, 0x8201),
+ .has_mixer = 1, .line_out_hw_vol = 1,
.line_out_descrs = { @@ -505,10 +520,26 @@ static const struct scarlett2_device_info s18i20_gen2_info = { } }, };
+static const struct scarlett2_device_info solo_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8211), + + .has_msd_mode = 1, + .level_input_count = 1, + .level_input_first = 1, +}; + +static const struct scarlett2_device_info s2i2_gen3_info = { + .usb_id = USB_ID(0x1235, 0x8210), + + .has_msd_mode = 1, + .level_input_count = 2, +}; + static const struct scarlett2_device_info s4i4_gen3_info = { .usb_id = USB_ID(0x1235, 0x8212),
.has_msd_mode = 1, + .has_mixer = 1, .level_input_count = 2, .pad_input_count = 2,
@@ -551,6 +582,7 @@ static const struct scarlett2_device_info s8i6_gen3_info = { .usb_id = USB_ID(0x1235, 0x8213),
.has_msd_mode = 1, + .has_mixer = 1, .level_input_count = 2, .pad_input_count = 2,
@@ -600,6 +632,7 @@ static const struct scarlett2_device_info s18i8_gen3_info = { .usb_id = USB_ID(0x1235, 0x8214),
.has_msd_mode = 1, + .has_mixer = 1, .line_out_hw_vol = 1, .level_input_count = 2, .pad_input_count = 2, @@ -662,6 +695,7 @@ static const struct scarlett2_device_info s18i20_gen3_info = { .usb_id = USB_ID(0x1235, 0x8215),
.has_msd_mode = 1, + .has_mixer = 1, .line_out_hw_vol = 1, .level_input_count = 2, .pad_input_count = 8, @@ -724,6 +758,8 @@ static const struct scarlett2_device_info *scarlett2_devices[] = { &s18i20_gen2_info,
/* Supported Gen 3 devices */ + &solo_gen3_info, + &s2i2_gen3_info, &s4i4_gen3_info, &s8i6_gen3_info, &s18i8_gen3_info, @@ -776,7 +812,7 @@ static int scarlett2_get_port_start_num( #define SCARLETT2_USB_VOLUME_STATUS_OFFSET 0x31 #define SCARLETT2_USB_METER_LEVELS_GET_MAGIC 1
-/* volume status is read together (matches scarlett2_config_items[]) */ +/* volume status is read together (matches scarlett2_config_items[1]) */ struct scarlett2_usb_volume_status { /* dim/mute buttons */ u8 dim_mute[SCARLETT2_DIM_MUTE_COUNT]; @@ -822,8 +858,22 @@ struct scarlett2_config { u8 activate; };
+/* scarlett2_config_items[0] is for devices without a mixer + * scarlett2_config_items[1] is for devices with a mixer + */ static const struct scarlett2_config - scarlett2_config_items[SCARLETT2_CONFIG_COUNT] = { + scarlett2_config_items[2][SCARLETT2_CONFIG_COUNT] = + +/* Devices without a mixer (Solo and 2i2 Gen 3) */ +{ { + [SCARLETT2_CONFIG_MSD_SWITCH] = { + .offset = 0x04, .size = 8, .activate = 6 }, + + [SCARLETT2_CONFIG_LEVEL_SWITCH] = { + .offset = 0x08, .size = 1, .activate = 7 }, + +/* Devices with a mixer (Gen 2 and all other Gen 3) */ +}, { [SCARLETT2_CONFIG_DIM_MUTE] = { .offset = 0x31, .size = 8, .activate = 2 },
@@ -844,7 +894,7 @@ static const struct scarlett2_config
[SCARLETT2_CONFIG_MSD_SWITCH] = { .offset = 0x9d, .size = 8, .activate = 6 }, -}; +} };
/* proprietary request/response format */ struct scarlett2_usb_packet { @@ -1006,8 +1056,10 @@ 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[config_item_num]; + &scarlett2_config_items[info->has_mixer][config_item_num]; int size, err, i; u8 value;
@@ -1055,8 +1107,10 @@ 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 *config_item = - &scarlett2_config_items[config_item_num]; + &scarlett2_config_items[info->has_mixer][config_item_num]; struct { __le32 offset; __le32 bytes; @@ -1065,7 +1119,6 @@ static int scarlett2_usb_set_config( __le32 req2; int offset, size; int err; - struct scarlett2_data *private = mixer->private_data;
/* Cancel any pending NVRAM save */ cancel_delayed_work_sync(&private->work); @@ -1506,6 +1559,10 @@ static int scarlett2_add_sync_ctl(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data;
+ /* devices without a mixer also don't support reporting sync status */ + if (!private->info->has_mixer) + return 0; + return scarlett2_add_new_ctl(mixer, &scarlett2_sync_ctl, 0, 1, "Sync Status", &private->sync_ctl); } @@ -1824,7 +1881,8 @@ static int scarlett2_update_input_other(struct usb_mixer_interface *mixer) if (info->level_input_count) { int err = scarlett2_usb_get_config( mixer, SCARLETT2_CONFIG_LEVEL_SWITCH, - info->level_input_count, private->level_switch); + info->level_input_count + info->level_input_first, + private->level_switch); if (err < 0) return err; } @@ -1856,12 +1914,14 @@ static int scarlett2_level_enum_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; + const struct scarlett2_device_info *info = private->info; + + int index = elem->control + info->level_input_first;
mutex_lock(&private->data_mutex); if (private->input_other_updated) scarlett2_update_input_other(mixer); - ucontrol->value.enumerated.item[0] = - private->level_switch[elem->control]; + ucontrol->value.enumerated.item[0] = private->level_switch[index]; mutex_unlock(&private->data_mutex);
return 0; @@ -1873,8 +1933,9 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl, struct usb_mixer_elem_info *elem = kctl->private_data; struct usb_mixer_interface *mixer = elem->head.mixer; struct scarlett2_data *private = mixer->private_data; + const struct scarlett2_device_info *info = private->info;
- int index = elem->control; + int index = elem->control + info->level_input_first; int oval, val, err = 0;
mutex_lock(&private->data_mutex); @@ -2130,7 +2191,8 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer)
/* Add input level (line/inst) controls */ for (i = 0; i < info->level_input_count; i++) { - snprintf(s, sizeof(s), fmt, i + 1, "Level", "Enum"); + snprintf(s, sizeof(s), fmt, i + 1 + info->level_input_first, + "Level", "Enum"); err = scarlett2_add_new_ctl(mixer, &scarlett2_level_enum_ctl, i, 1, s, &private->level_ctls[i]); if (err < 0) @@ -2411,6 +2473,10 @@ static int scarlett2_add_meter_ctl(struct usb_mixer_interface *mixer) { struct scarlett2_data *private = mixer->private_data;
+ /* devices without a mixer also don't support reporting levels */ + if (!private->info->has_mixer) + return 0; + return scarlett2_add_new_ctl(mixer, &scarlett2_meter_ctl, 0, private->num_mux_dsts, "Level Meter", NULL); @@ -2634,6 +2700,10 @@ static int scarlett2_read_configs(struct usb_mixer_interface *mixer) if (err < 0) return err;
+ /* the rest of the configuration is for devices with a mixer */ + if (!info->has_mixer) + return 0; + err = scarlett2_update_sync(mixer); if (err < 0) return err;