drivers/net/wireless/ath/ath12k/wifi7/hal_wcn7850.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/ath12k/wifi7/hal_wcn7850.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/ath12k/wifi7/hal_wcn7850.c
Extension
.c
Size
28307 bytes
Lines
826
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
 */

#include "hal_desc.h"
#include "hal_wcn7850.h"
#include "hw.h"
#include "hal.h"
#include "hal_tx.h"

static const struct hal_srng_config hw_srng_config_template[] = {
	/* TODO: max_rings can populated by querying HW capabilities */
	[HAL_REO_DST] = {
		.start_ring_id = HAL_SRNG_RING_ID_REO2SW1,
		.max_rings = 8,
		.entry_size = sizeof(struct hal_reo_dest_ring) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_DST,
		.max_size = HAL_REO_REO2SW1_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_REO_EXCEPTION] = {
		/* Designating REO2SW0 ring as exception ring.
		 * Any of theREO2SW rings can be used as exception ring.
		 */
		.start_ring_id = HAL_SRNG_RING_ID_REO2SW0,
		.max_rings = 1,
		.entry_size = sizeof(struct hal_reo_dest_ring) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_DST,
		.max_size = HAL_REO_REO2SW0_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_REO_REINJECT] = {
		.start_ring_id = HAL_SRNG_RING_ID_SW2REO,
		.max_rings = 4,
		.entry_size = sizeof(struct hal_reo_entrance_ring) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_SRC,
		.max_size = HAL_REO_SW2REO_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_REO_CMD] = {
		.start_ring_id = HAL_SRNG_RING_ID_REO_CMD,
		.max_rings = 1,
		.entry_size = (sizeof(struct hal_tlv_64_hdr) +
			sizeof(struct hal_reo_get_queue_stats)) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_SRC,
		.max_size = HAL_REO_CMD_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_REO_STATUS] = {
		.start_ring_id = HAL_SRNG_RING_ID_REO_STATUS,
		.max_rings = 1,
		.entry_size = (sizeof(struct hal_tlv_64_hdr) +
			sizeof(struct hal_reo_get_queue_stats_status)) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_DST,
		.max_size = HAL_REO_STATUS_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_TCL_DATA] = {
		.start_ring_id = HAL_SRNG_RING_ID_SW2TCL1,
		.max_rings = 6,
		.entry_size = sizeof(struct hal_tcl_data_cmd) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_SRC,
		.max_size = HAL_SW2TCL1_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_TCL_CMD] = {
		.start_ring_id = HAL_SRNG_RING_ID_SW2TCL_CMD,
		.max_rings = 1,
		.entry_size = sizeof(struct hal_tcl_gse_cmd) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_SRC,
		.max_size = HAL_SW2TCL1_CMD_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_TCL_STATUS] = {
		.start_ring_id = HAL_SRNG_RING_ID_TCL_STATUS,
		.max_rings = 1,
		.entry_size = (sizeof(struct hal_tlv_hdr) +
			     sizeof(struct hal_tcl_status_ring)) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_DST,
		.max_size = HAL_TCL_STATUS_RING_BASE_MSB_RING_SIZE,
	},
	[HAL_CE_SRC] = {
		.start_ring_id = HAL_SRNG_RING_ID_CE0_SRC,
		.max_rings = 16,
		.entry_size = sizeof(struct hal_ce_srng_src_desc) >> 2,
		.mac_type = ATH12K_HAL_SRNG_UMAC,
		.ring_dir = HAL_SRNG_DIR_SRC,

Annotation

Implementation Notes