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This provides shared constants for devicetree sound-dai references and QAIF aif-interface reg values instead of using raw numeric IDs. Signed-off-by: Harendra Gautam --- include/dt-bindings/sound/qcom,qaif.h | 92 ++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 include/dt-bindings/sound/qcom,qaif.h diff --git a/include/dt-bindings/sound/qcom,qaif.h b/include/dt-bindings/sound/qcom,qaif.h new file mode 100644 index 000000000000..72030838c26b --- /dev/null +++ b/include/dt-bindings/sound/qcom,qaif.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + * + * DAI IDs for the Qualcomm Audio Interface (QAIF) controller. + * These values are used in devicetree sound-dai references and as + * the reg value of aif-interface child nodes. + */ +#ifndef __DT_QCOM_QAIF_H +#define __DT_QCOM_QAIF_H + +/* qcom,qaif-aif-sync-mode values */ +#define QAIF_AIF_SYNC_MODE_SHORT 0 /* Short (pulse) sync */ +#define QAIF_AIF_SYNC_MODE_LONG 1 /* Long (level) sync */ + +/* qcom,qaif-aif-sync-src values */ +#define QAIF_AIF_SYNC_SRC_SLAVE 0 /* Sync slave -- clock from external */ +#define QAIF_AIF_SYNC_SRC_MASTER 1 /* Sync master -- drive clock/frame */ + +/* qcom,qaif-aif-lane-config enable values */ +#define QAIF_AIF_LANE_DISABLE 0 +#define QAIF_AIF_LANE_ENABLE 1 + +/* qcom,qaif-aif-lane-config direction values */ +#define QAIF_AIF_LANE_DIR_TX 0 /* TX (playback, speaker) */ +#define QAIF_AIF_LANE_DIR_RX 1 /* RX (capture, mic) */ + +/* + * AIF (Unified Audio Interface) DAI IDs -- AIF0 through AIF12. + * Each AIF supports PCM, TDM and MI2S serial protocols over up to + * 8 independent data lanes sharing a single bit clock and frame sync. + */ +#define QAIF_MI2S_TDM_AIF0 0 +#define QAIF_MI2S_TDM_AIF1 1 +#define QAIF_MI2S_TDM_AIF2 2 +#define QAIF_MI2S_TDM_AIF3 3 +#define QAIF_MI2S_TDM_AIF4 4 +#define QAIF_MI2S_TDM_AIF5 5 +#define QAIF_MI2S_TDM_AIF6 6 +#define QAIF_MI2S_TDM_AIF7 7 +#define QAIF_MI2S_TDM_AIF8 8 +#define QAIF_MI2S_TDM_AIF9 9 +#define QAIF_MI2S_TDM_AIF10 10 +#define QAIF_MI2S_TDM_AIF11 11 +#define QAIF_MI2S_TDM_AIF12 12 + +/* + * CIF (Codec Interface) RX DAI IDs -- playback to internal codec. + * RDDMA channels fetch audio from memory and drain it to the codec. + */ +#define QAIF_CDC_DMA_RX0 13 +#define QAIF_CDC_DMA_RX1 14 +#define QAIF_CDC_DMA_RX2 15 +#define QAIF_CDC_DMA_RX3 16 +#define QAIF_CDC_DMA_RX4 17 +#define QAIF_CDC_DMA_RX5 18 +#define QAIF_CDC_DMA_RX6 19 +#define QAIF_CDC_DMA_RX7 20 +#define QAIF_CDC_DMA_RX8 21 +#define QAIF_CDC_DMA_RX9 22 + +/* + * CIF (Codec Interface) TX DAI IDs -- capture from internal codec. + * WRDMA channels collect audio from the codec and write it to memory. + */ +#define QAIF_CDC_DMA_TX0 23 +#define QAIF_CDC_DMA_TX1 24 +#define QAIF_CDC_DMA_TX2 25 +#define QAIF_CDC_DMA_TX3 26 +#define QAIF_CDC_DMA_TX4 27 +#define QAIF_CDC_DMA_TX5 28 +#define QAIF_CDC_DMA_TX6 29 +#define QAIF_CDC_DMA_TX7 30 +#define QAIF_CDC_DMA_TX8 31 +#define QAIF_CDC_DMA_TX9 32 + +/* + * CIF (Codec Interface) VA TX DAI IDs -- capture from voice activity codec. + * WRDMA channels collect audio from the VA codec and write it to memory. + */ +#define QAIF_CDC_DMA_VA_TX0 33 +#define QAIF_CDC_DMA_VA_TX1 34 +#define QAIF_CDC_DMA_VA_TX2 35 +#define QAIF_CDC_DMA_VA_TX3 36 +#define QAIF_CDC_DMA_VA_TX4 37 +#define QAIF_CDC_DMA_VA_TX5 38 +#define QAIF_CDC_DMA_VA_TX6 39 +#define QAIF_CDC_DMA_VA_TX7 40 +#define QAIF_CDC_DMA_VA_TX8 41 +#define QAIF_CDC_DMA_VA_TX9 42 + +#endif /* __DT_QCOM_QAIF_H */ -- 2.34.1