/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com */ #ifndef K3_PSIL_H_ #define K3_PSIL_H_ #include <linux/types.h> #define K3_PSIL_DST_THREAD_ID_OFFSET 0x8000 struct device; /** * enum udma_tp_level - Channel Throughput Levels * @UDMA_TP_NORMAL: Normal channel * @UDMA_TP_HIGH: High Throughput channel * @UDMA_TP_ULTRAHIGH: Ultra High Throughput channel */ enum udma_tp_level { UDMA_TP_NORMAL = 0, UDMA_TP_HIGH, UDMA_TP_ULTRAHIGH, UDMA_TP_LAST, }; /** * enum psil_endpoint_type - PSI-L Endpoint type * @PSIL_EP_NATIVE: Normal channel * @PSIL_EP_PDMA_XY: XY mode PDMA * @PSIL_EP_PDMA_MCAN: MCAN mode PDMA * @PSIL_EP_PDMA_AASRC: AASRC mode PDMA */ enum psil_endpoint_type { PSIL_EP_NATIVE = 0, PSIL_EP_PDMA_XY, PSIL_EP_PDMA_MCAN, PSIL_EP_PDMA_AASRC, }; /** * struct psil_endpoint_config - PSI-L Endpoint configuration * @ep_type: PSI-L endpoint type * @channel_tpl: Desired throughput level for the channel * @pkt_mode: If set, the channel must be in Packet mode, otherwise in * TR mode * @notdpkt: TDCM must be suppressed on the TX channel * @needs_epib: Endpoint needs EPIB * @pdma_acc32: ACC32 must be enabled on the PDMA side * @pdma_burst: BURST must be enabled on the PDMA side * @psd_size: If set, PSdata is used by the endpoint * @mapped_channel_id: PKTDMA thread to channel mapping for mapped channels. * The thread must be serviced by the specified channel if * mapped_channel_id is >= 0 in case of PKTDMA * @flow_start: PKDMA flow range start of mapped channel. Unmapped * channels use flow_id == chan_id * @flow_num: PKDMA flow count of mapped channel. Unmapped channels * use flow_id == chan_id * @default_flow_id: PKDMA default (r)flow index of mapped channel. * Must be within the flow range of the mapped channel. */ struct psil_endpoint_config { enum psil_endpoint_type ep_type; enum udma_tp_level channel_tpl; unsigned pkt_mode:1; unsigned notdpkt:1; unsigned needs_epib:1; /* PDMA properties, valid for PSIL_EP_PDMA_* */ unsigned pdma_acc32:1; unsigned pdma_burst:1; u32 psd_size; /* PKDMA mapped channel */ s16 mapped_channel_id; /* PKTDMA tflow and rflow ranges for mapped channel */ u16 flow_start; u16 flow_num; s16 default_flow_id; }; int psil_set_new_ep_config(struct device *dev, const char *name, struct psil_endpoint_config *ep_config); #endif /* K3_PSIL_H_ */