/* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH12K_CE_H #define ATH12K_CE_H #define CE_COUNT_MAX … /* Byte swap data words */ #define CE_ATTR_BYTE_SWAP_DATA … /* no interrupt on copy completion */ #define CE_ATTR_DIS_INTR … /* Host software's Copy Engine configuration. */ #define CE_ATTR_FLAGS … /* Threshold to poll for tx completion in case of Interrupt disabled CE's */ #define ATH12K_CE_USAGE_THRESHOLD … /* Directions for interconnect pipe configuration. * These definitions may be used during configuration and are shared * between Host and Target. * * Pipe Directions are relative to the Host, so PIPEDIR_IN means * "coming IN over air through Target to Host" as with a WiFi Rx operation. * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air" * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man" * Target since things that are "PIPEDIR_OUT" are coming IN to the Target * over the interconnect. */ #define PIPEDIR_NONE … #define PIPEDIR_IN … #define PIPEDIR_OUT … #define PIPEDIR_INOUT … #define PIPEDIR_INOUT_H2H … /* CE address/mask */ #define CE_HOST_IE_ADDRESS … #define CE_HOST_IE_2_ADDRESS … #define CE_HOST_IE_3_ADDRESS … #define CE_HOST_IE_3_SHIFT … #define CE_RING_IDX_INCR(nentries_mask, idx) … #define ATH12K_CE_RX_POST_RETRY_JIFFIES … struct ath12k_base; /* Establish a mapping between a service/direction and a pipe. * Configuration information for a Copy Engine pipe and services. * Passed from Host to Target through QMI message and must be in * little endian format. */ struct service_to_pipe { … }; /* Configuration information for a Copy Engine pipe. * Passed from Host to Target through QMI message during startup (one per CE). * * NOTE: Structure is shared between Host software and Target firmware! */ struct ce_pipe_config { … }; struct ce_attr { … }; #define CE_DESC_RING_ALIGN … struct ath12k_ce_ring { … }; struct ath12k_ce_pipe { … }; struct ath12k_ce { … }; extern const struct ce_attr ath12k_host_ce_config_qcn9274[]; extern const struct ce_attr ath12k_host_ce_config_wcn7850[]; void ath12k_ce_cleanup_pipes(struct ath12k_base *ab); void ath12k_ce_rx_replenish_retry(struct timer_list *t); void ath12k_ce_per_engine_service(struct ath12k_base *ab, u16 ce_id); int ath12k_ce_send(struct ath12k_base *ab, struct sk_buff *skb, u8 pipe_id, u16 transfer_id); void ath12k_ce_rx_post_buf(struct ath12k_base *ab); int ath12k_ce_init_pipes(struct ath12k_base *ab); int ath12k_ce_alloc_pipes(struct ath12k_base *ab); void ath12k_ce_free_pipes(struct ath12k_base *ab); int ath12k_ce_get_attr_flags(struct ath12k_base *ab, int ce_id); void ath12k_ce_poll_send_completed(struct ath12k_base *ab, u8 pipe_id); void ath12k_ce_get_shadow_config(struct ath12k_base *ab, u32 **shadow_cfg, u32 *shadow_cfg_len); #endif
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