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Diffstat (limited to 'include/sound/sof/control.h')
| -rw-r--r-- | include/sound/sof/control.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/sound/sof/control.h b/include/sound/sof/control.h new file mode 100644 index 000000000..983d374fe --- /dev/null +++ b/include/sound/sof/control.h @@ -0,0 +1,158 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * Copyright(c) 2018 Intel Corporation. All rights reserved. + */ + +#ifndef __INCLUDE_SOUND_SOF_CONTROL_H__ +#define __INCLUDE_SOUND_SOF_CONTROL_H__ + +#include <uapi/sound/sof/header.h> +#include <sound/sof/header.h> + +/* + * Component Mixers and Controls + */ + +/* channel positions - uses same values as ALSA */ +enum sof_ipc_chmap { + SOF_CHMAP_UNKNOWN = 0, + SOF_CHMAP_NA, /**< N/A, silent */ + SOF_CHMAP_MONO, /**< mono stream */ + SOF_CHMAP_FL, /**< front left */ + SOF_CHMAP_FR, /**< front right */ + SOF_CHMAP_RL, /**< rear left */ + SOF_CHMAP_RR, /**< rear right */ + SOF_CHMAP_FC, /**< front centre */ + SOF_CHMAP_LFE, /**< LFE */ + SOF_CHMAP_SL, /**< side left */ + SOF_CHMAP_SR, /**< side right */ + SOF_CHMAP_RC, /**< rear centre */ + SOF_CHMAP_FLC, /**< front left centre */ + SOF_CHMAP_FRC, /**< front right centre */ + SOF_CHMAP_RLC, /**< rear left centre */ + SOF_CHMAP_RRC, /**< rear right centre */ + SOF_CHMAP_FLW, /**< front left wide */ + SOF_CHMAP_FRW, /**< front right wide */ + SOF_CHMAP_FLH, /**< front left high */ + SOF_CHMAP_FCH, /**< front centre high */ + SOF_CHMAP_FRH, /**< front right high */ + SOF_CHMAP_TC, /**< top centre */ + SOF_CHMAP_TFL, /**< top front left */ + SOF_CHMAP_TFR, /**< top front right */ + SOF_CHMAP_TFC, /**< top front centre */ + SOF_CHMAP_TRL, /**< top rear left */ + SOF_CHMAP_TRR, /**< top rear right */ + SOF_CHMAP_TRC, /**< top rear centre */ + SOF_CHMAP_TFLC, /**< top front left centre */ + SOF_CHMAP_TFRC, /**< top front right centre */ + SOF_CHMAP_TSL, /**< top side left */ + SOF_CHMAP_TSR, /**< top side right */ + SOF_CHMAP_LLFE, /**< left LFE */ + SOF_CHMAP_RLFE, /**< right LFE */ + SOF_CHMAP_BC, /**< bottom centre */ + SOF_CHMAP_BLC, /**< bottom left centre */ + SOF_CHMAP_BRC, /**< bottom right centre */ + SOF_CHMAP_LAST = SOF_CHMAP_BRC, +}; + +/* control data type and direction */ +enum sof_ipc_ctrl_type { + /* per channel data - uses struct sof_ipc_ctrl_value_chan */ + SOF_CTRL_TYPE_VALUE_CHAN_GET = 0, + SOF_CTRL_TYPE_VALUE_CHAN_SET, + /* component data - uses struct sof_ipc_ctrl_value_comp */ + SOF_CTRL_TYPE_VALUE_COMP_GET, + SOF_CTRL_TYPE_VALUE_COMP_SET, + /* bespoke data - uses struct sof_abi_hdr */ + SOF_CTRL_TYPE_DATA_GET, + SOF_CTRL_TYPE_DATA_SET, +}; + +/* control command type */ +enum sof_ipc_ctrl_cmd { + SOF_CTRL_CMD_VOLUME = 0, /**< maps to ALSA volume style controls */ + SOF_CTRL_CMD_ENUM, /**< maps to ALSA enum style controls */ + SOF_CTRL_CMD_SWITCH, /**< maps to ALSA switch style controls */ + SOF_CTRL_CMD_BINARY, /**< maps to ALSA binary style controls */ +}; + +/* generic channel mapped value data */ +struct sof_ipc_ctrl_value_chan { + uint32_t channel; /**< channel map - enum sof_ipc_chmap */ + uint32_t value; +} __packed; + +/* generic component mapped value data */ +struct sof_ipc_ctrl_value_comp { + uint32_t index; /**< component source/sink/control index in control */ + union { + uint32_t uvalue; + int32_t svalue; + }; +} __packed; + +/* generic control data */ +struct sof_ipc_ctrl_data { + struct sof_ipc_reply rhdr; + uint32_t comp_id; + + /* control access and data type */ + uint32_t type; /**< enum sof_ipc_ctrl_type */ + uint32_t cmd; /**< enum sof_ipc_ctrl_cmd */ + uint32_t index; /**< control index for comps > 1 control */ + + /* control data - can either be appended or DMAed from host */ + struct sof_ipc_host_buffer buffer; + uint32_t num_elems; /**< in array elems or bytes for data type */ + uint32_t elems_remaining; /**< elems remaining if sent in parts */ + + uint32_t msg_index; /**< for large messages sent in parts */ + + /* reserved for future use */ + uint32_t reserved[6]; + + /* control data - add new types if needed */ + union { + /* channel values can be used by volume type controls */ + DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_chan, chanv); + /* component values used by routing controls like mux, mixer */ + DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_comp, compv); + /* data can be used by binary controls */ + DECLARE_FLEX_ARRAY(struct sof_abi_hdr, data); + }; +} __packed; + +/** Event type */ +enum sof_ipc_ctrl_event_type { + SOF_CTRL_EVENT_GENERIC = 0, /**< generic event */ + SOF_CTRL_EVENT_GENERIC_METADATA, /**< generic event with metadata */ + SOF_CTRL_EVENT_KD, /**< keyword detection event */ + SOF_CTRL_EVENT_VAD, /**< voice activity detection event */ +}; + +/** + * Generic notification data. + */ +struct sof_ipc_comp_event { + struct sof_ipc_reply rhdr; + uint16_t src_comp_type; /**< COMP_TYPE_ */ + uint32_t src_comp_id; /**< source component id */ + uint32_t event_type; /**< event type - SOF_CTRL_EVENT_* */ + uint32_t num_elems; /**< in array elems or bytes for data type */ + + /* reserved for future use */ + uint32_t reserved[8]; + + /* control data - add new types if needed */ + union { + /* data can be used by binary controls */ + struct sof_abi_hdr data[0]; + /* event specific values */ + uint32_t event_value; + }; +} __packed; + +#endif |