1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com 4 */ 5 6 #ifndef K3_PSIL_H_ 7 #define K3_PSIL_H_ 8 9 #include <linux/types.h> 10 11 #define K3_PSIL_DST_THREAD_ID_OFFSET 0x8000 12 13 struct device; 14 15 /** 16 * enum udma_tp_level - Channel Throughput Levels 17 * @UDMA_TP_NORMAL: Normal channel 18 * @UDMA_TP_HIGH: High Throughput channel 19 * @UDMA_TP_ULTRAHIGH: Ultra High Throughput channel 20 */ 21 enum udma_tp_level { 22 UDMA_TP_NORMAL = 0, 23 UDMA_TP_HIGH, 24 UDMA_TP_ULTRAHIGH, 25 UDMA_TP_LAST, 26 }; 27 28 /** 29 * enum psil_endpoint_type - PSI-L Endpoint type 30 * @PSIL_EP_NATIVE: Normal channel 31 * @PSIL_EP_PDMA_XY: XY mode PDMA 32 * @PSIL_EP_PDMA_MCAN: MCAN mode PDMA 33 * @PSIL_EP_PDMA_AASRC: AASRC mode PDMA 34 */ 35 enum psil_endpoint_type { 36 PSIL_EP_NATIVE = 0, 37 PSIL_EP_PDMA_XY, 38 PSIL_EP_PDMA_MCAN, 39 PSIL_EP_PDMA_AASRC, 40 }; 41 42 /** 43 * struct psil_endpoint_config - PSI-L Endpoint configuration 44 * @ep_type: PSI-L endpoint type 45 * @pkt_mode: If set, the channel must be in Packet mode, otherwise in 46 * TR mode 47 * @notdpkt: TDCM must be suppressed on the TX channel 48 * @needs_epib: Endpoint needs EPIB 49 * @psd_size: If set, PSdata is used by the endpoint 50 * @channel_tpl: Desired throughput level for the channel 51 * @pdma_acc32: ACC32 must be enabled on the PDMA side 52 * @pdma_burst: BURST must be enabled on the PDMA side 53 */ 54 struct psil_endpoint_config { 55 enum psil_endpoint_type ep_type; 56 57 unsigned pkt_mode:1; 58 unsigned notdpkt:1; 59 unsigned needs_epib:1; 60 u32 psd_size; 61 enum udma_tp_level channel_tpl; 62 63 /* PDMA properties, valid for PSIL_EP_PDMA_* */ 64 unsigned pdma_acc32:1; 65 unsigned pdma_burst:1; 66 }; 67 68 int psil_set_new_ep_config(struct device *dev, const char *name, 69 struct psil_endpoint_config *ep_config); 70 71 #endif /* K3_PSIL_H_ */ 72