From patchwork Fri Aug 12 16:09:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 597210 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73962C00140 for ; Fri, 12 Aug 2022 16:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239238AbiHLQKp (ORCPT ); Fri, 12 Aug 2022 12:10:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239208AbiHLQKe (ORCPT ); Fri, 12 Aug 2022 12:10:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0779B65BA for ; Fri, 12 Aug 2022 09:10:27 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6248B61529 for ; Fri, 12 Aug 2022 16:10:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 343A5C433D6; Fri, 12 Aug 2022 16:10:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660320626; bh=AeGFlJ64UIV5/qTq/lHgb0OVZF7s+msDP51wLNBbY4Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jnL8oYI96NjY9kVU2pdClZC45TjdA0UXYqCzH+tIPHpF+OpXRvjvPF8iIqEVYBqcV Pqh/5Gm3uZrYOvm19iXzXop5OOAOyiDNymY8RponWrbwaGQJdgX/1YyPh9mXdFc3YM eJ8Ang5kih0gOT9lXtPKuh8iuFAuL4dsHX8aKpbZFvDAELKArJN4nwsy5SLPNHwOuU 3DlBI1wFb7PO6aL+ex8HDdSi8hTKLw0eWIJB9+d5ukP+6sDv65gJ+9PNy0+tWrDz06 VR6u/BIJ5eXY6i08VIAQTAIpAa9ofHX36ydUsDzBIp14YXsBNSXHhh5iP+qgbBDPtS 6YZX0tjePELXA== From: Kalle Valo To: linux-wireless@vger.kernel.org Cc: ath12k@lists.infradead.org Subject: [PATCH 19/50] wifi: ath12k: add hal.c Date: Fri, 12 Aug 2022 19:09:32 +0300 Message-Id: <20220812161003.27279-20-kvalo@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220812161003.27279-1-kvalo@kernel.org> References: <20220812161003.27279-1-kvalo@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Kalle Valo (Patches split into one patch per file for easier review, but the final commit will be one big patch. See the cover letter for more info.) Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath12k/hal.c | 2179 +++++++++++++++++++++++++++++++++ 1 file changed, 2179 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c new file mode 100644 index 000000000000..1590ba2adf68 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -0,0 +1,2179 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#include +#include "hal_tx.h" +#include "hal_rx.h" +#include "debug.h" +#include "hal_desc.h" +#include "hif.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, + .max_size = HAL_CE_SRC_RING_BASE_MSB_RING_SIZE, + }, + [HAL_CE_DST] = { + .start_ring_id = HAL_SRNG_RING_ID_CE0_DST, + .max_rings = 16, + .entry_size = sizeof(struct hal_ce_srng_dest_desc) >> 2, + .mac_type = ATH12K_HAL_SRNG_UMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_CE_DST_RING_BASE_MSB_RING_SIZE, + }, + [HAL_CE_DST_STATUS] = { + .start_ring_id = HAL_SRNG_RING_ID_CE0_DST_STATUS, + .max_rings = 16, + .entry_size = sizeof(struct hal_ce_srng_dst_status_desc) >> 2, + .mac_type = ATH12K_HAL_SRNG_UMAC, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_CE_DST_STATUS_RING_BASE_MSB_RING_SIZE, + }, + [HAL_WBM_IDLE_LINK] = { + .start_ring_id = HAL_SRNG_RING_ID_WBM_IDLE_LINK, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_link_desc) >> 2, + .mac_type = ATH12K_HAL_SRNG_UMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_WBM_IDLE_LINK_RING_BASE_MSB_RING_SIZE, + }, + [HAL_SW2WBM_RELEASE] = { + .start_ring_id = HAL_SRNG_RING_ID_WBM_SW0_RELEASE, + .max_rings = 2, + .entry_size = sizeof(struct hal_wbm_release_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_UMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_SW2WBM_RELEASE_RING_BASE_MSB_RING_SIZE, + }, + [HAL_WBM2SW_RELEASE] = { + .start_ring_id = HAL_SRNG_RING_ID_WBM2SW0_RELEASE, + .max_rings = 8, + .entry_size = sizeof(struct hal_wbm_release_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_UMAC, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_WBM2SW_RELEASE_RING_BASE_MSB_RING_SIZE, + }, + [HAL_RXDMA_BUF] = { + .start_ring_id = HAL_SRNG_SW2RXDMA_BUF0, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_DMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_RXDMA_DST] = { + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_RXDMA2SW0, + .max_rings = 0, + .entry_size = 0, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_RXDMA_MONITOR_BUF] = { + .start_ring_id = HAL_SRNG_SW2RXMON_BUF0, + .max_rings = 1, + .entry_size = sizeof(struct hal_mon_buf_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_RXDMA_MONITOR_STATUS] = { 0, }, + [HAL_RXDMA_MONITOR_DESC] = { 0, }, + [HAL_RXDMA_DIR_BUF] = { + .start_ring_id = HAL_SRNG_RING_ID_RXDMA_DIR_BUF, + .max_rings = 2, + .entry_size = 8 >> 2, /* TODO: Define the struct */ + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_PPE2TCL] = { + .start_ring_id = HAL_SRNG_RING_ID_PPE2TCL1, + .max_rings = 1, + .entry_size = sizeof(struct hal_tcl_entrance_from_ppe_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_SW2TCL1_RING_BASE_MSB_RING_SIZE, + }, + [HAL_PPE_RELEASE] = { + .start_ring_id = HAL_SRNG_RING_ID_WBM_PPE_RELEASE, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_release_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_WBM2PPE_RELEASE_RING_BASE_MSB_RING_SIZE, + }, + [HAL_TX_MONITOR_BUF] = { + .start_ring_id = HAL_SRNG_SW2TXMON_BUF0, + .max_rings = 1, + .entry_size = sizeof(struct hal_mon_buf_ring) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_RXDMA_MONITOR_DST] = { + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXMON_BUF0, + .max_rings = 1, + .entry_size = sizeof(struct hal_mon_dest_desc) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + }, + [HAL_TX_MONITOR_DST] = { + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_TXMON2SW0_BUF0, + .max_rings = 1, + .entry_size = sizeof(struct hal_mon_dest_desc) >> 2, + .mac_type = ATH12K_HAL_SRNG_PMAC, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_RXDMA_RING_MAX_SIZE_BE, + } +}; + +static const struct ath12k_hal_tcl_to_wbm_rbm_map +ath12k_hal_qcn9274_tcl_to_wbm_rbm_map[DP_TCL_NUM_RING_MAX] = { + { + .wbm_ring_num = 0, + .rbm_id = HAL_RX_BUF_RBM_SW0_BM, + }, + { + .wbm_ring_num = 1, + .rbm_id = HAL_RX_BUF_RBM_SW1_BM, + }, + { + .wbm_ring_num = 2, + .rbm_id = HAL_RX_BUF_RBM_SW2_BM, + }, + { + .wbm_ring_num = 4, + .rbm_id = HAL_RX_BUF_RBM_SW4_BM, + } +}; + +static const struct ath12k_hal_tcl_to_wbm_rbm_map +ath12k_hal_wcn7850_tcl_to_wbm_rbm_map[DP_TCL_NUM_RING_MAX] = { + { + .wbm_ring_num = 0, + .rbm_id = HAL_RX_BUF_RBM_SW0_BM, + }, + { + .wbm_ring_num = 2, + .rbm_id = HAL_RX_BUF_RBM_SW2_BM, + }, + { + .wbm_ring_num = 4, + .rbm_id = HAL_RX_BUF_RBM_SW4_BM, + }, +}; + +static bool ath12k_hw_qcn9274_rx_desc_get_first_msdu(struct hal_rx_desc *desc) +{ + return !!le16_get_bits(desc->u.qcn9274.msdu_end.info5, + RX_MSDU_END_INFO5_FIRST_MSDU); +} + +static bool ath12k_hw_qcn9274_rx_desc_get_last_msdu(struct hal_rx_desc *desc) +{ + return !!le16_get_bits(desc->u.qcn9274.msdu_end.info5, + RX_MSDU_END_INFO5_LAST_MSDU); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_l3_pad_bytes(struct hal_rx_desc *desc) +{ + return le16_get_bits(desc->u.qcn9274.msdu_end.info5, + RX_MSDU_END_INFO5_L3_HDR_PADDING); +} + +static bool ath12k_hw_qcn9274_rx_desc_encrypt_valid(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4, + RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID); +} + +static u32 ath12k_hw_qcn9274_rx_desc_get_encrypt_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.mpdu_start.info2, + RX_MPDU_START_INFO2_ENC_TYPE); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_decap_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info11, + RX_MSDU_END_INFO11_DECAP_FORMAT); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info11, + RX_MSDU_END_INFO11_MESH_CTRL_PRESENT); +} + +static bool ath12k_hw_qcn9274_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID); +} + +static bool ath12k_hw_qcn9274_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_FCTRL_VALID); +} + +static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_SEQ_NUM); +} + +static u16 ath12k_hw_qcn9274_rx_desc_get_msdu_len(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info10, + RX_MSDU_END_INFO10_MSDU_LENGTH); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_sgi(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info12, + RX_MSDU_END_INFO12_SGI); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info12, + RX_MSDU_END_INFO12_RATE_MCS); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_rx_bw(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info12, + RX_MSDU_END_INFO12_RECV_BW); +} + +static u32 ath12k_hw_qcn9274_rx_desc_get_msdu_freq(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.qcn9274.msdu_end.phy_meta_data); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_pkt_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info12, + RX_MSDU_END_INFO12_PKT_TYPE); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_nss(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.qcn9274.msdu_end.info12, + RX_MSDU_END_INFO12_MIMO_SS_BITMAP); +} + +static u8 ath12k_hw_qcn9274_rx_desc_get_mpdu_tid(struct hal_rx_desc *desc) +{ + return le16_get_bits(desc->u.qcn9274.msdu_end.info5, + RX_MSDU_END_INFO5_TID); +} + +static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_peer_id(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.qcn9274.mpdu_start.sw_peer_id); +} + +static void ath12k_hw_qcn9274_rx_desc_copy_end_tlv(struct hal_rx_desc *fdesc, + struct hal_rx_desc *ldesc) +{ + memcpy(&fdesc->u.qcn9274.msdu_end, &ldesc->u.qcn9274.msdu_end, + sizeof(struct rx_msdu_end_qcn9274)); +} + +static u32 ath12k_hw_qcn9274_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.qcn9274.mpdu_start.phy_ppdu_id); +} + +static void ath12k_hw_qcn9274_rx_desc_set_msdu_len(struct hal_rx_desc *desc, u16 len) +{ + u32 info = __le32_to_cpu(desc->u.qcn9274.msdu_end.info10); + + info &= ~RX_MSDU_END_INFO10_MSDU_LENGTH; + info |= u32_encode_bits(len, RX_MSDU_END_INFO10_MSDU_LENGTH); + + desc->u.qcn9274.msdu_end.info10 = __cpu_to_le32(info); +} + +static u8 *ath12k_hw_qcn9274_rx_desc_get_msdu_payload(struct hal_rx_desc *desc) +{ + return &desc->u.qcn9274.msdu_payload[0]; +} + +static u32 ath12k_hw_qcn9274_rx_desc_get_mpdu_start_offset(void) +{ + return offsetof(struct hal_rx_desc_qcn9274, mpdu_start); +} + +static u32 ath12k_hw_qcn9274_rx_desc_get_msdu_end_offset(void) +{ + return offsetof(struct hal_rx_desc_qcn9274, msdu_end); +} + +static bool ath12k_hw_qcn9274_rx_desc_mac_addr2_valid(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.qcn9274.mpdu_start.info4) & + RX_MPDU_START_INFO4_MAC_ADDR2_VALID; +} + +static u8 *ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc) +{ + return desc->u.qcn9274.mpdu_start.addr2; +} + +static bool ath12k_hw_qcn9274_rx_desc_is_mcbc(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.qcn9274.mpdu_start.info6) & + RX_MPDU_START_INFO6_MCAST_BCAST; +} + +static void ath12k_hw_qcn9274_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, + struct ieee80211_hdr *hdr) +{ + hdr->frame_control = desc->u.qcn9274.mpdu_start.frame_ctrl; + hdr->duration_id = desc->u.qcn9274.mpdu_start.duration; + ether_addr_copy(hdr->addr1, desc->u.qcn9274.mpdu_start.addr1); + ether_addr_copy(hdr->addr2, desc->u.qcn9274.mpdu_start.addr2); + ether_addr_copy(hdr->addr3, desc->u.qcn9274.mpdu_start.addr3); + if (__le32_to_cpu(desc->u.qcn9274.mpdu_start.info4) & + RX_MPDU_START_INFO4_MAC_ADDR4_VALID) { + ether_addr_copy(hdr->addr4, desc->u.qcn9274.mpdu_start.addr4); + } + hdr->seq_ctrl = desc->u.qcn9274.mpdu_start.seq_ctrl; +} + +static void ath12k_hw_qcn9274_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc, + u8 *crypto_hdr, + enum hal_encrypt_type enctype) +{ + unsigned int key_id; + + switch (enctype) { + case HAL_ENCRYPT_TYPE_OPEN: + return; + case HAL_ENCRYPT_TYPE_TKIP_NO_MIC: + case HAL_ENCRYPT_TYPE_TKIP_MIC: + crypto_hdr[0] = + HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[0]); + crypto_hdr[1] = 0; + crypto_hdr[2] = + HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[0]); + break; + case HAL_ENCRYPT_TYPE_CCMP_128: + case HAL_ENCRYPT_TYPE_CCMP_256: + case HAL_ENCRYPT_TYPE_GCMP_128: + case HAL_ENCRYPT_TYPE_AES_GCMP_256: + crypto_hdr[0] = + HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[0]); + crypto_hdr[1] = + HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[0]); + crypto_hdr[2] = 0; + break; + case HAL_ENCRYPT_TYPE_WEP_40: + case HAL_ENCRYPT_TYPE_WEP_104: + case HAL_ENCRYPT_TYPE_WEP_128: + case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4: + case HAL_ENCRYPT_TYPE_WAPI: + return; + } + key_id = le32_get_bits(desc->u.qcn9274.mpdu_start.info5, + RX_MPDU_START_INFO5_KEY_ID); + crypto_hdr[3] = 0x20 | (key_id << 6); + crypto_hdr[4] = HAL_RX_MPDU_INFO_PN_GET_BYTE3(desc->u.qcn9274.mpdu_start.pn[0]); + crypto_hdr[5] = HAL_RX_MPDU_INFO_PN_GET_BYTE4(desc->u.qcn9274.mpdu_start.pn[0]); + crypto_hdr[6] = HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[1]); + crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[1]); +} + +static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_frame_ctl(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.qcn9274.mpdu_start.frame_ctrl); +} + +static int ath12k_hal_srng_create_config_qcn9274(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_srng_config *s; + + hal->srng_config = kmemdup(hw_srng_config_template, + sizeof(hw_srng_config_template), + GFP_KERNEL); + if (!hal->srng_config) + return -ENOMEM; + + s = &hal->srng_config[HAL_REO_DST]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_HP; + s->reg_size[0] = HAL_REO2_RING_BASE_LSB - HAL_REO1_RING_BASE_LSB; + s->reg_size[1] = HAL_REO2_RING_HP - HAL_REO1_RING_HP; + + s = &hal->srng_config[HAL_REO_EXCEPTION]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_HP; + + s = &hal->srng_config[HAL_REO_REINJECT]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_HP; + s->reg_size[0] = HAL_SW2REO1_RING_BASE_LSB - HAL_SW2REO_RING_BASE_LSB; + s->reg_size[1] = HAL_SW2REO1_RING_HP - HAL_SW2REO_RING_HP; + + s = &hal->srng_config[HAL_REO_CMD]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_HP; + + s = &hal->srng_config[HAL_REO_STATUS]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP; + + s = &hal->srng_config[HAL_TCL_DATA]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP; + s->reg_size[0] = HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB; + s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP; + + s = &hal->srng_config[HAL_TCL_CMD]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_HP; + + s = &hal->srng_config[HAL_TCL_STATUS]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP; + + s = &hal->srng_config[HAL_CE_SRC]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + + s = &hal->srng_config[HAL_CE_DST]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + + s = &hal->srng_config[HAL_CE_DST_STATUS]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + HAL_CE_DST_STATUS_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_STATUS_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + + s = &hal->srng_config[HAL_WBM_IDLE_LINK]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_HP; + + s = &hal->srng_config[HAL_SW2WBM_RELEASE]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_SW_RELEASE_RING_HP; + s->reg_size[0] = HAL_WBM_SW1_RELEASE_RING_BASE_LSB(ab) - + HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab); + s->reg_size[1] = HAL_WBM_SW1_RELEASE_RING_HP - HAL_WBM_SW_RELEASE_RING_HP; + + s = &hal->srng_config[HAL_WBM2SW_RELEASE]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_HP; + s->reg_size[0] = HAL_WBM1_RELEASE_RING_BASE_LSB(ab) - + HAL_WBM0_RELEASE_RING_BASE_LSB(ab); + s->reg_size[1] = HAL_WBM1_RELEASE_RING_HP - HAL_WBM0_RELEASE_RING_HP; + + /* Some LMAC rings are not accesed from the host: + * RXDMA_BUG, RXDMA_DST, RXDMA_MONITOR_BUF, RXDMA_MONITOR_STATUS, + * RXDMA_MONITOR_DST, RXDMA_MONITOR_DESC, RXDMA_DIR_BUF_SRC, + * RXDMA_RX_MONITOR_BUF, TX_MONITOR_BUF, TX_MONITOR_DST, SW2RXDMA + */ + s = &hal->srng_config[HAL_PPE2TCL]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_PPE2TCL1_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_PPE2TCL1_RING_HP; + + s = &hal->srng_config[HAL_PPE_RELEASE]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_PPE_RELEASE_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_PPE_RELEASE_RING_HP; + + return 0; +} + +static bool ath12k_hw_qcn9274_dp_rx_h_msdu_done(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.msdu_end.info14, + RX_MSDU_END_INFO14_MSDU_DONE); +} + +static bool ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.msdu_end.info13, + RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL); +} + +static bool ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.qcn9274.msdu_end.info13, + RX_MSDU_END_INFO13_IP_CKSUM_FAIL); +} + +static bool ath12k_hw_qcn9274_dp_rx_h_is_decrypted(struct hal_rx_desc *desc) +{ + return (le32_get_bits(desc->u.qcn9274.msdu_end.info14, + RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE) == + RX_DESC_DECRYPT_STATUS_CODE_OK); +} + +static u32 ath12k_hw_qcn9274_dp_rx_h_mpdu_err(struct hal_rx_desc *desc) +{ + u32 info = __le32_to_cpu(desc->u.qcn9274.msdu_end.info13); + u32 errmap = 0; + + if (info & RX_MSDU_END_INFO13_FCS_ERR) + errmap |= HAL_RX_MPDU_ERR_FCS; + + if (info & RX_MSDU_END_INFO13_DECRYPT_ERR) + errmap |= HAL_RX_MPDU_ERR_DECRYPT; + + if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR) + errmap |= HAL_RX_MPDU_ERR_TKIP_MIC; + + if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR) + errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR; + + if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR) + errmap |= HAL_RX_MPDU_ERR_OVERFLOW; + + if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR) + errmap |= HAL_RX_MPDU_ERR_MSDU_LEN; + + if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR) + errmap |= HAL_RX_MPDU_ERR_MPDU_LEN; + + return errmap; +} + +const struct hal_ops hal_qcn9274_ops = { + .rx_desc_get_first_msdu = ath12k_hw_qcn9274_rx_desc_get_first_msdu, + .rx_desc_get_last_msdu = ath12k_hw_qcn9274_rx_desc_get_last_msdu, + .rx_desc_get_l3_pad_bytes = ath12k_hw_qcn9274_rx_desc_get_l3_pad_bytes, + .rx_desc_encrypt_valid = ath12k_hw_qcn9274_rx_desc_encrypt_valid, + .rx_desc_get_encrypt_type = ath12k_hw_qcn9274_rx_desc_get_encrypt_type, + .rx_desc_get_decap_type = ath12k_hw_qcn9274_rx_desc_get_decap_type, + .rx_desc_get_mesh_ctl = ath12k_hw_qcn9274_rx_desc_get_mesh_ctl, + .rx_desc_get_mpdu_seq_ctl_vld = ath12k_hw_qcn9274_rx_desc_get_mpdu_seq_ctl_vld, + .rx_desc_get_mpdu_fc_valid = ath12k_hw_qcn9274_rx_desc_get_mpdu_fc_valid, + .rx_desc_get_mpdu_start_seq_no = ath12k_hw_qcn9274_rx_desc_get_mpdu_start_seq_no, + .rx_desc_get_msdu_len = ath12k_hw_qcn9274_rx_desc_get_msdu_len, + .rx_desc_get_msdu_sgi = ath12k_hw_qcn9274_rx_desc_get_msdu_sgi, + .rx_desc_get_msdu_rate_mcs = ath12k_hw_qcn9274_rx_desc_get_msdu_rate_mcs, + .rx_desc_get_msdu_rx_bw = ath12k_hw_qcn9274_rx_desc_get_msdu_rx_bw, + .rx_desc_get_msdu_freq = ath12k_hw_qcn9274_rx_desc_get_msdu_freq, + .rx_desc_get_msdu_pkt_type = ath12k_hw_qcn9274_rx_desc_get_msdu_pkt_type, + .rx_desc_get_msdu_nss = ath12k_hw_qcn9274_rx_desc_get_msdu_nss, + .rx_desc_get_mpdu_tid = ath12k_hw_qcn9274_rx_desc_get_mpdu_tid, + .rx_desc_get_mpdu_peer_id = ath12k_hw_qcn9274_rx_desc_get_mpdu_peer_id, + .rx_desc_copy_end_tlv = ath12k_hw_qcn9274_rx_desc_copy_end_tlv, + .rx_desc_get_mpdu_ppdu_id = ath12k_hw_qcn9274_rx_desc_get_mpdu_ppdu_id, + .rx_desc_set_msdu_len = ath12k_hw_qcn9274_rx_desc_set_msdu_len, + .rx_desc_get_msdu_payload = ath12k_hw_qcn9274_rx_desc_get_msdu_payload, + .rx_desc_get_mpdu_start_offset = ath12k_hw_qcn9274_rx_desc_get_mpdu_start_offset, + .rx_desc_get_msdu_end_offset = ath12k_hw_qcn9274_rx_desc_get_msdu_end_offset, + .rx_desc_mac_addr2_valid = ath12k_hw_qcn9274_rx_desc_mac_addr2_valid, + .rx_desc_mpdu_start_addr2 = ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2, + .rx_desc_is_mcbc = ath12k_hw_qcn9274_rx_desc_is_mcbc, + .rx_desc_get_dot11_hdr = ath12k_hw_qcn9274_rx_desc_get_dot11_hdr, + .rx_desc_get_crypto_header = ath12k_hw_qcn9274_rx_desc_get_crypto_hdr, + .rx_desc_get_mpdu_frame_ctl = ath12k_hw_qcn9274_rx_desc_get_mpdu_frame_ctl, + .create_srng_config = ath12k_hal_srng_create_config_qcn9274, + .tcl_to_wbm_rbm_map = ath12k_hal_qcn9274_tcl_to_wbm_rbm_map, + .dp_rx_h_msdu_done = ath12k_hw_qcn9274_dp_rx_h_msdu_done, + .dp_rx_h_l4_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail, + .dp_rx_h_ip_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail, + .dp_rx_h_is_decrypted = ath12k_hw_qcn9274_dp_rx_h_is_decrypted, + .dp_rx_h_mpdu_err = ath12k_hw_qcn9274_dp_rx_h_mpdu_err, +}; + +static bool ath12k_hw_wcn7850_rx_desc_get_first_msdu(struct hal_rx_desc *desc) +{ + return !!le16_get_bits(desc->u.wcn7850.msdu_end.info5, + RX_MSDU_END_INFO5_FIRST_MSDU); +} + +static bool ath12k_hw_wcn7850_rx_desc_get_last_msdu(struct hal_rx_desc *desc) +{ + return !!le16_get_bits(desc->u.wcn7850.msdu_end.info5, + RX_MSDU_END_INFO5_LAST_MSDU); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_l3_pad_bytes(struct hal_rx_desc *desc) +{ + return le16_get_bits(desc->u.wcn7850.msdu_end.info5, + RX_MSDU_END_INFO5_L3_HDR_PADDING); +} + +static bool ath12k_hw_wcn7850_rx_desc_encrypt_valid(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4, + RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID); +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_encrypt_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.mpdu_start.info2, + RX_MPDU_START_INFO2_ENC_TYPE); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_decap_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info11, + RX_MSDU_END_INFO11_DECAP_FORMAT); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info11, + RX_MSDU_END_INFO11_MESH_CTRL_PRESENT); +} + +static bool ath12k_hw_wcn7850_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID); +} + +static bool ath12k_hw_wcn7850_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_FCTRL_VALID); +} + +static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.mpdu_start.info4, + RX_MPDU_START_INFO4_MPDU_SEQ_NUM); +} + +static u16 ath12k_hw_wcn7850_rx_desc_get_msdu_len(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info10, + RX_MSDU_END_INFO10_MSDU_LENGTH); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_sgi(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info12, + RX_MSDU_END_INFO12_SGI); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info12, + RX_MSDU_END_INFO12_RATE_MCS); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_rx_bw(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info12, + RX_MSDU_END_INFO12_RECV_BW); +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_msdu_freq(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.wcn7850.msdu_end.phy_meta_data); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_pkt_type(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info12, + RX_MSDU_END_INFO12_PKT_TYPE); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_nss(struct hal_rx_desc *desc) +{ + return le32_get_bits(desc->u.wcn7850.msdu_end.info12, + RX_MSDU_END_INFO12_MIMO_SS_BITMAP); +} + +static u8 ath12k_hw_wcn7850_rx_desc_get_mpdu_tid(struct hal_rx_desc *desc) +{ + return le16_get_bits(desc->u.wcn7850.msdu_end.info5, + RX_MSDU_END_INFO5_TID); +} + +static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_peer_id(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.wcn7850.mpdu_start.sw_peer_id); +} + +static void ath12k_hw_wcn7850_rx_desc_copy_end_tlv(struct hal_rx_desc *fdesc, + struct hal_rx_desc *ldesc) +{ + memcpy(&fdesc->u.wcn7850.msdu_end, &ldesc->u.wcn7850.msdu_end, + sizeof(struct rx_msdu_end_qcn9274)); +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_tag(struct hal_rx_desc *desc) +{ + return le64_get_bits(desc->u.wcn7850.mpdu_start_tag, + HAL_TLV_HDR_TAG); +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.wcn7850.mpdu_start.phy_ppdu_id); +} + +static void ath12k_hw_wcn7850_rx_desc_set_msdu_len(struct hal_rx_desc *desc, u16 len) +{ + u32 info = __le32_to_cpu(desc->u.wcn7850.msdu_end.info10); + + info &= ~RX_MSDU_END_INFO10_MSDU_LENGTH; + info |= u32_encode_bits(len, RX_MSDU_END_INFO10_MSDU_LENGTH); + + desc->u.wcn7850.msdu_end.info10 = __cpu_to_le32(info); +} + +static u8 *ath12k_hw_wcn7850_rx_desc_get_msdu_payload(struct hal_rx_desc *desc) +{ + return &desc->u.wcn7850.msdu_payload[0]; +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_offset(void) +{ + return offsetof(struct hal_rx_desc_wcn7850, mpdu_start_tag); +} + +static u32 ath12k_hw_wcn7850_rx_desc_get_msdu_end_offset(void) +{ + return offsetof(struct hal_rx_desc_wcn7850, msdu_end_tag); +} + +static bool ath12k_hw_wcn7850_rx_desc_mac_addr2_valid(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.wcn7850.mpdu_start.info4) & + RX_MPDU_START_INFO4_MAC_ADDR2_VALID; +} + +static u8 *ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc) +{ + return desc->u.wcn7850.mpdu_start.addr2; +} + +static bool ath12k_hw_wcn7850_rx_desc_is_mcbc(struct hal_rx_desc *desc) +{ + return __le32_to_cpu(desc->u.wcn7850.mpdu_start.info6) & + RX_MPDU_START_INFO6_MCAST_BCAST; +} + +static void ath12k_hw_wcn7850_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc, + struct ieee80211_hdr *hdr) +{ + hdr->frame_control = desc->u.wcn7850.mpdu_start.frame_ctrl; + hdr->duration_id = desc->u.wcn7850.mpdu_start.duration; + ether_addr_copy(hdr->addr1, desc->u.wcn7850.mpdu_start.addr1); + ether_addr_copy(hdr->addr2, desc->u.wcn7850.mpdu_start.addr2); + ether_addr_copy(hdr->addr3, desc->u.wcn7850.mpdu_start.addr3); + if (__le32_to_cpu(desc->u.wcn7850.mpdu_start.info4) & + RX_MPDU_START_INFO4_MAC_ADDR4_VALID) { + ether_addr_copy(hdr->addr4, desc->u.wcn7850.mpdu_start.addr4); + } + hdr->seq_ctrl = desc->u.wcn7850.mpdu_start.seq_ctrl; +} + +static void ath12k_hw_wcn7850_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc, + u8 *crypto_hdr, + enum hal_encrypt_type enctype) +{ + unsigned int key_id; + + switch (enctype) { + case HAL_ENCRYPT_TYPE_OPEN: + return; + case HAL_ENCRYPT_TYPE_TKIP_NO_MIC: + case HAL_ENCRYPT_TYPE_TKIP_MIC: + crypto_hdr[0] = + HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[0]); + crypto_hdr[1] = 0; + crypto_hdr[2] = + HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[0]); + break; + case HAL_ENCRYPT_TYPE_CCMP_128: + case HAL_ENCRYPT_TYPE_CCMP_256: + case HAL_ENCRYPT_TYPE_GCMP_128: + case HAL_ENCRYPT_TYPE_AES_GCMP_256: + crypto_hdr[0] = + HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[0]); + crypto_hdr[1] = + HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[0]); + crypto_hdr[2] = 0; + break; + case HAL_ENCRYPT_TYPE_WEP_40: + case HAL_ENCRYPT_TYPE_WEP_104: + case HAL_ENCRYPT_TYPE_WEP_128: + case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4: + case HAL_ENCRYPT_TYPE_WAPI: + return; + } + key_id = u32_get_bits(__le32_to_cpu(desc->u.wcn7850.mpdu_start.info5), + RX_MPDU_START_INFO5_KEY_ID); + crypto_hdr[3] = 0x20 | (key_id << 6); + crypto_hdr[4] = HAL_RX_MPDU_INFO_PN_GET_BYTE3(desc->u.wcn7850.mpdu_start.pn[0]); + crypto_hdr[5] = HAL_RX_MPDU_INFO_PN_GET_BYTE4(desc->u.wcn7850.mpdu_start.pn[0]); + crypto_hdr[6] = HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[1]); + crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[1]); +} + +static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_frame_ctl(struct hal_rx_desc *desc) +{ + return __le16_to_cpu(desc->u.wcn7850.mpdu_start.frame_ctrl); +} + +static int ath12k_hal_srng_create_config_wcn7850(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_srng_config *s; + + hal->srng_config = kmemdup(hw_srng_config_template, + sizeof(hw_srng_config_template), + GFP_KERNEL); + if (!hal->srng_config) + return -ENOMEM; + + s = &hal->srng_config[HAL_REO_DST]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_HP; + s->reg_size[0] = HAL_REO2_RING_BASE_LSB - HAL_REO1_RING_BASE_LSB; + s->reg_size[1] = HAL_REO2_RING_HP - HAL_REO1_RING_HP; + + s = &hal->srng_config[HAL_REO_EXCEPTION]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_HP; + + s = &hal->srng_config[HAL_REO_REINJECT]; + s->max_rings = 1; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_HP; + + s = &hal->srng_config[HAL_REO_CMD]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_HP; + + s = &hal->srng_config[HAL_REO_STATUS]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP; + + s = &hal->srng_config[HAL_TCL_DATA]; + s->max_rings = 5; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP; + s->reg_size[0] = HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB; + s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP; + + s = &hal->srng_config[HAL_TCL_CMD]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_HP; + + s = &hal->srng_config[HAL_TCL_STATUS]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP; + + s = &hal->srng_config[HAL_CE_SRC]; + s->max_rings = 12; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG; + + s = &hal->srng_config[HAL_CE_DST]; + s->max_rings = 12; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + + s = &hal->srng_config[HAL_CE_DST_STATUS]; + s->max_rings = 12; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + HAL_CE_DST_STATUS_RING_BASE_LSB; + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_STATUS_RING_HP; + s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG; + + s = &hal->srng_config[HAL_WBM_IDLE_LINK]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_HP; + + s = &hal->srng_config[HAL_SW2WBM_RELEASE]; + s->max_rings = 1; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_SW_RELEASE_RING_HP; + + s = &hal->srng_config[HAL_WBM2SW_RELEASE]; + s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_BASE_LSB(ab); + s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_HP; + s->reg_size[0] = HAL_WBM1_RELEASE_RING_BASE_LSB(ab) - + HAL_WBM0_RELEASE_RING_BASE_LSB(ab); + s->reg_size[1] = HAL_WBM1_RELEASE_RING_HP - HAL_WBM0_RELEASE_RING_HP; + + s = &hal->srng_config[HAL_RXDMA_BUF]; + s->max_rings = 2; + s->mac_type = ATH12K_HAL_SRNG_PMAC; + + s = &hal->srng_config[HAL_RXDMA_DST]; + s->max_rings = 1; + s->entry_size = sizeof(struct hal_reo_entrance_ring) >> 2; + + /* below rings are not used */ + s = &hal->srng_config[HAL_RXDMA_DIR_BUF]; + s->max_rings = 0; + + s = &hal->srng_config[HAL_PPE2TCL]; + s->max_rings = 0; + + s = &hal->srng_config[HAL_PPE_RELEASE]; + s->max_rings = 0; + + s = &hal->srng_config[HAL_TX_MONITOR_BUF]; + s->max_rings = 0; + + s = &hal->srng_config[HAL_TX_MONITOR_DST]; + s->max_rings = 0; + + s = &hal->srng_config[HAL_PPE2TCL]; + s->max_rings = 0; + + return 0; +} + +static bool ath12k_hw_wcn7850_dp_rx_h_msdu_done(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.msdu_end.info14, + RX_MSDU_END_INFO14_MSDU_DONE); +} + +static bool ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.msdu_end.info13, + RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL); +} + +static bool ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail(struct hal_rx_desc *desc) +{ + return !!le32_get_bits(desc->u.wcn7850.msdu_end.info13, + RX_MSDU_END_INFO13_IP_CKSUM_FAIL); +} + +static bool ath12k_hw_wcn7850_dp_rx_h_is_decrypted(struct hal_rx_desc *desc) +{ + return (le32_get_bits(desc->u.wcn7850.msdu_end.info14, + RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE) == + RX_DESC_DECRYPT_STATUS_CODE_OK); +} + +static u32 ath12k_hw_wcn7850_dp_rx_h_mpdu_err(struct hal_rx_desc *desc) +{ + u32 info = __le32_to_cpu(desc->u.wcn7850.msdu_end.info13); + u32 errmap = 0; + + if (info & RX_MSDU_END_INFO13_FCS_ERR) + errmap |= HAL_RX_MPDU_ERR_FCS; + + if (info & RX_MSDU_END_INFO13_DECRYPT_ERR) + errmap |= HAL_RX_MPDU_ERR_DECRYPT; + + if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR) + errmap |= HAL_RX_MPDU_ERR_TKIP_MIC; + + if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR) + errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR; + + if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR) + errmap |= HAL_RX_MPDU_ERR_OVERFLOW; + + if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR) + errmap |= HAL_RX_MPDU_ERR_MSDU_LEN; + + if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR) + errmap |= HAL_RX_MPDU_ERR_MPDU_LEN; + + return errmap; +} + +const struct hal_ops hal_wcn7850_ops = { + .rx_desc_get_first_msdu = ath12k_hw_wcn7850_rx_desc_get_first_msdu, + .rx_desc_get_last_msdu = ath12k_hw_wcn7850_rx_desc_get_last_msdu, + .rx_desc_get_l3_pad_bytes = ath12k_hw_wcn7850_rx_desc_get_l3_pad_bytes, + .rx_desc_encrypt_valid = ath12k_hw_wcn7850_rx_desc_encrypt_valid, + .rx_desc_get_encrypt_type = ath12k_hw_wcn7850_rx_desc_get_encrypt_type, + .rx_desc_get_decap_type = ath12k_hw_wcn7850_rx_desc_get_decap_type, + .rx_desc_get_mesh_ctl = ath12k_hw_wcn7850_rx_desc_get_mesh_ctl, + .rx_desc_get_mpdu_seq_ctl_vld = ath12k_hw_wcn7850_rx_desc_get_mpdu_seq_ctl_vld, + .rx_desc_get_mpdu_fc_valid = ath12k_hw_wcn7850_rx_desc_get_mpdu_fc_valid, + .rx_desc_get_mpdu_start_seq_no = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_seq_no, + .rx_desc_get_msdu_len = ath12k_hw_wcn7850_rx_desc_get_msdu_len, + .rx_desc_get_msdu_sgi = ath12k_hw_wcn7850_rx_desc_get_msdu_sgi, + .rx_desc_get_msdu_rate_mcs = ath12k_hw_wcn7850_rx_desc_get_msdu_rate_mcs, + .rx_desc_get_msdu_rx_bw = ath12k_hw_wcn7850_rx_desc_get_msdu_rx_bw, + .rx_desc_get_msdu_freq = ath12k_hw_wcn7850_rx_desc_get_msdu_freq, + .rx_desc_get_msdu_pkt_type = ath12k_hw_wcn7850_rx_desc_get_msdu_pkt_type, + .rx_desc_get_msdu_nss = ath12k_hw_wcn7850_rx_desc_get_msdu_nss, + .rx_desc_get_mpdu_tid = ath12k_hw_wcn7850_rx_desc_get_mpdu_tid, + .rx_desc_get_mpdu_peer_id = ath12k_hw_wcn7850_rx_desc_get_mpdu_peer_id, + .rx_desc_copy_end_tlv = ath12k_hw_wcn7850_rx_desc_copy_end_tlv, + .rx_desc_get_mpdu_start_tag = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_tag, + .rx_desc_get_mpdu_ppdu_id = ath12k_hw_wcn7850_rx_desc_get_mpdu_ppdu_id, + .rx_desc_set_msdu_len = ath12k_hw_wcn7850_rx_desc_set_msdu_len, + .rx_desc_get_msdu_payload = ath12k_hw_wcn7850_rx_desc_get_msdu_payload, + .rx_desc_get_mpdu_start_offset = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_offset, + .rx_desc_get_msdu_end_offset = ath12k_hw_wcn7850_rx_desc_get_msdu_end_offset, + .rx_desc_mac_addr2_valid = ath12k_hw_wcn7850_rx_desc_mac_addr2_valid, + .rx_desc_mpdu_start_addr2 = ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2, + .rx_desc_is_mcbc = ath12k_hw_wcn7850_rx_desc_is_mcbc, + .rx_desc_get_dot11_hdr = ath12k_hw_wcn7850_rx_desc_get_dot11_hdr, + .rx_desc_get_crypto_header = ath12k_hw_wcn7850_rx_desc_get_crypto_hdr, + .rx_desc_get_mpdu_frame_ctl = ath12k_hw_wcn7850_rx_desc_get_mpdu_frame_ctl, + .create_srng_config = ath12k_hal_srng_create_config_wcn7850, + .tcl_to_wbm_rbm_map = ath12k_hal_wcn7850_tcl_to_wbm_rbm_map, + .dp_rx_h_msdu_done = ath12k_hw_wcn7850_dp_rx_h_msdu_done, + .dp_rx_h_l4_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail, + .dp_rx_h_ip_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail, + .dp_rx_h_is_decrypted = ath12k_hw_wcn7850_dp_rx_h_is_decrypted, + .dp_rx_h_mpdu_err = ath12k_hw_wcn7850_dp_rx_h_mpdu_err, +}; + +static int ath12k_hal_alloc_cont_rdp(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + size_t size; + + size = sizeof(u32) * HAL_SRNG_RING_ID_MAX; + hal->rdp.vaddr = dma_alloc_coherent(ab->dev, size, &hal->rdp.paddr, + GFP_KERNEL); + if (!hal->rdp.vaddr) + return -ENOMEM; + + return 0; +} + +static void ath12k_hal_free_cont_rdp(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + size_t size; + + if (!hal->rdp.vaddr) + return; + + size = sizeof(u32) * HAL_SRNG_RING_ID_MAX; + dma_free_coherent(ab->dev, size, + hal->rdp.vaddr, hal->rdp.paddr); + hal->rdp.vaddr = NULL; +} + +static int ath12k_hal_alloc_cont_wrp(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + size_t size; + + size = sizeof(u32) * (HAL_SRNG_NUM_PMAC_RINGS + HAL_SRNG_NUM_DMAC_RINGS); + hal->wrp.vaddr = dma_alloc_coherent(ab->dev, size, &hal->wrp.paddr, + GFP_KERNEL); + if (!hal->wrp.vaddr) + return -ENOMEM; + + return 0; +} + +static void ath12k_hal_free_cont_wrp(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + size_t size; + + if (!hal->wrp.vaddr) + return; + + size = sizeof(u32) * (HAL_SRNG_NUM_PMAC_RINGS + HAL_SRNG_NUM_DMAC_RINGS); + dma_free_coherent(ab->dev, size, + hal->wrp.vaddr, hal->wrp.paddr); + hal->wrp.vaddr = NULL; +} + +static void ath12k_hal_ce_dst_setup(struct ath12k_base *ab, + struct hal_srng *srng, int ring_num) +{ + struct hal_srng_config *srng_config = &ab->hal.srng_config[HAL_CE_DST]; + u32 addr; + u32 val; + + addr = HAL_CE_DST_RING_CTRL + + srng_config->reg_start[HAL_SRNG_REG_GRP_R0] + + ring_num * srng_config->reg_size[HAL_SRNG_REG_GRP_R0]; + + val = ath12k_hif_read32(ab, addr); + val &= ~HAL_CE_DST_R0_DEST_CTRL_MAX_LEN; + val |= u32_encode_bits(srng->u.dst_ring.max_buffer_length, + HAL_CE_DST_R0_DEST_CTRL_MAX_LEN); + ath12k_hif_write32(ab, addr, val); +} + +static void ath12k_hal_srng_dst_hw_init(struct ath12k_base *ab, + struct hal_srng *srng) +{ + struct ath12k_hal *hal = &ab->hal; + u32 val; + u64 hp_addr; + u32 reg_base; + + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0]; + + if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) { + ath12k_hif_write32(ab, reg_base + + HAL_REO1_RING_MSI1_BASE_LSB_OFFSET, + srng->msi_addr); + + val = u32_encode_bits(((u64)srng->msi_addr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_REO1_RING_MSI1_BASE_MSB_ADDR) | + HAL_REO1_RING_MSI1_BASE_MSB_MSI1_ENABLE; + ath12k_hif_write32(ab, reg_base + + HAL_REO1_RING_MSI1_BASE_MSB_OFFSET, val); + + ath12k_hif_write32(ab, + reg_base + HAL_REO1_RING_MSI1_DATA_OFFSET, + srng->msi_data); + } + + ath12k_hif_write32(ab, reg_base, srng->ring_base_paddr); + + val = u32_encode_bits(((u64)srng->ring_base_paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_REO1_RING_BASE_MSB_RING_BASE_ADDR_MSB) | + u32_encode_bits((srng->entry_size * srng->num_entries), + HAL_REO1_RING_BASE_MSB_RING_SIZE); + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_BASE_MSB_OFFSET, val); + + val = u32_encode_bits(srng->ring_id, HAL_REO1_RING_ID_RING_ID) | + u32_encode_bits(srng->entry_size, HAL_REO1_RING_ID_ENTRY_SIZE); + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_ID_OFFSET(ab), val); + + /* interrupt setup */ + val = u32_encode_bits((srng->intr_timer_thres_us >> 3), + HAL_REO1_RING_PRDR_INT_SETUP_INTR_TMR_THOLD); + + val |= u32_encode_bits((srng->intr_batch_cntr_thres_entries * srng->entry_size), + HAL_REO1_RING_PRDR_INT_SETUP_BATCH_COUNTER_THOLD); + + ath12k_hif_write32(ab, + reg_base + HAL_REO1_RING_PRODUCER_INT_SETUP_OFFSET, + val); + + hp_addr = hal->rdp.paddr + + ((unsigned long)srng->u.dst_ring.hp_addr - + (unsigned long)hal->rdp.vaddr); + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_LSB_OFFSET, + hp_addr & HAL_ADDR_LSB_REG_MASK); + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_MSB_OFFSET, + hp_addr >> HAL_ADDR_MSB_REG_SHIFT); + + /* Initialize head and tail pointers to indicate ring is empty */ + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2]; + ath12k_hif_write32(ab, reg_base, 0); + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_TP_OFFSET, 0); + *srng->u.dst_ring.hp_addr = 0; + + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0]; + val = 0; + if (srng->flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP) + val |= HAL_REO1_RING_MISC_DATA_TLV_SWAP; + if (srng->flags & HAL_SRNG_FLAGS_RING_PTR_SWAP) + val |= HAL_REO1_RING_MISC_HOST_FW_SWAP; + if (srng->flags & HAL_SRNG_FLAGS_MSI_SWAP) + val |= HAL_REO1_RING_MISC_MSI_SWAP; + val |= HAL_REO1_RING_MISC_SRNG_ENABLE; + + ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_MISC_OFFSET, val); +} + +static void ath12k_hal_srng_src_hw_init(struct ath12k_base *ab, + struct hal_srng *srng) +{ + struct ath12k_hal *hal = &ab->hal; + u32 val; + u64 tp_addr; + u32 reg_base; + + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0]; + + if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) { + ath12k_hif_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET(ab), + srng->msi_addr); + + val = u32_encode_bits(((u64)srng->msi_addr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_TCL1_RING_MSI1_BASE_MSB_ADDR) | + HAL_TCL1_RING_MSI1_BASE_MSB_MSI1_ENABLE; + ath12k_hif_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET(ab), + val); + + ath12k_hif_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_DATA_OFFSET(ab), + srng->msi_data); + } + + ath12k_hif_write32(ab, reg_base, srng->ring_base_paddr); + + val = u32_encode_bits(((u64)srng->ring_base_paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_TCL1_RING_BASE_MSB_RING_BASE_ADDR_MSB) | + u32_encode_bits((srng->entry_size * srng->num_entries), + HAL_TCL1_RING_BASE_MSB_RING_SIZE); + ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET, val); + + val = u32_encode_bits(srng->entry_size, HAL_REO1_RING_ID_ENTRY_SIZE); + ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET(ab), val); + + /* interrupt setup */ + /* NOTE: IPQ8074 v2 requires the interrupt timer threshold in the + * unit of 8 usecs instead of 1 usec (as required by v1). + */ + val = u32_encode_bits(srng->intr_timer_thres_us, + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_INTR_TMR_THOLD); + + val |= u32_encode_bits((srng->intr_batch_cntr_thres_entries * srng->entry_size), + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_BATCH_COUNTER_THOLD); + + ath12k_hif_write32(ab, + reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET(ab), + val); + + val = 0; + if (srng->flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) { + val |= u32_encode_bits(srng->u.src_ring.low_threshold, + HAL_TCL1_RING_CONSR_INT_SETUP_IX1_LOW_THOLD); + } + ath12k_hif_write32(ab, + reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET(ab), + val); + + if (srng->ring_id != HAL_SRNG_RING_ID_WBM_IDLE_LINK) { + tp_addr = hal->rdp.paddr + + ((unsigned long)srng->u.src_ring.tp_addr - + (unsigned long)hal->rdp.vaddr); + ath12k_hif_write32(ab, + reg_base + HAL_TCL1_RING_TP_ADDR_LSB_OFFSET(ab), + tp_addr & HAL_ADDR_LSB_REG_MASK); + ath12k_hif_write32(ab, + reg_base + HAL_TCL1_RING_TP_ADDR_MSB_OFFSET(ab), + tp_addr >> HAL_ADDR_MSB_REG_SHIFT); + } + + /* Initialize head and tail pointers to indicate ring is empty */ + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2]; + ath12k_hif_write32(ab, reg_base, 0); + ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_TP_OFFSET, 0); + *srng->u.src_ring.tp_addr = 0; + + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0]; + val = 0; + if (srng->flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP) + val |= HAL_TCL1_RING_MISC_DATA_TLV_SWAP; + if (srng->flags & HAL_SRNG_FLAGS_RING_PTR_SWAP) + val |= HAL_TCL1_RING_MISC_HOST_FW_SWAP; + if (srng->flags & HAL_SRNG_FLAGS_MSI_SWAP) + val |= HAL_TCL1_RING_MISC_MSI_SWAP; + + /* Loop count is not used for SRC rings */ + val |= HAL_TCL1_RING_MISC_MSI_LOOPCNT_DISABLE; + + val |= HAL_TCL1_RING_MISC_SRNG_ENABLE; + + if (srng->ring_id == HAL_SRNG_RING_ID_WBM_IDLE_LINK) + val |= HAL_TCL1_RING_MISC_MSI_RING_ID_DISABLE; + + ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_MISC_OFFSET(ab), val); +} + +static void ath12k_hal_srng_hw_init(struct ath12k_base *ab, + struct hal_srng *srng) +{ + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + ath12k_hal_srng_src_hw_init(ab, srng); + else + ath12k_hal_srng_dst_hw_init(ab, srng); +} + +static int ath12k_hal_srng_get_ring_id(struct ath12k_base *ab, + enum hal_ring_type type, + int ring_num, int mac_id) +{ + struct hal_srng_config *srng_config = &ab->hal.srng_config[type]; + int ring_id; + + if (ring_num >= srng_config->max_rings) { + ath12k_warn(ab, "invalid ring number :%d\n", ring_num); + return -EINVAL; + } + + ring_id = srng_config->start_ring_id + ring_num; + if (srng_config->mac_type == ATH12K_HAL_SRNG_PMAC) + ring_id += mac_id * HAL_SRNG_RINGS_PER_PMAC; + + if (WARN_ON(ring_id >= HAL_SRNG_RING_ID_MAX)) + return -EINVAL; + + return ring_id; +} + +int ath12k_hal_srng_get_entrysize(struct ath12k_base *ab, u32 ring_type) +{ + struct hal_srng_config *srng_config; + + if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES)) + return -EINVAL; + + srng_config = &ab->hal.srng_config[ring_type]; + + return (srng_config->entry_size << 2); +} + +int ath12k_hal_srng_get_max_entries(struct ath12k_base *ab, u32 ring_type) +{ + struct hal_srng_config *srng_config; + + if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES)) + return -EINVAL; + + srng_config = &ab->hal.srng_config[ring_type]; + + return (srng_config->max_size / srng_config->entry_size); +} + +void ath12k_hal_srng_get_params(struct ath12k_base *ab, struct hal_srng *srng, + struct hal_srng_params *params) +{ + params->ring_base_paddr = srng->ring_base_paddr; + params->ring_base_vaddr = srng->ring_base_vaddr; + params->num_entries = srng->num_entries; + params->intr_timer_thres_us = srng->intr_timer_thres_us; + params->intr_batch_cntr_thres_entries = + srng->intr_batch_cntr_thres_entries; + params->low_threshold = srng->u.src_ring.low_threshold; + params->msi_addr = srng->msi_addr; + params->msi2_addr = srng->msi2_addr; + params->msi_data = srng->msi_data; + params->msi2_data = srng->msi2_data; + params->flags = srng->flags; +} + +dma_addr_t ath12k_hal_srng_get_hp_addr(struct ath12k_base *ab, + struct hal_srng *srng) +{ + if (!(srng->flags & HAL_SRNG_FLAGS_LMAC_RING)) + return 0; + + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + return ab->hal.wrp.paddr + + ((unsigned long)srng->u.src_ring.hp_addr - + (unsigned long)ab->hal.wrp.vaddr); + else + return ab->hal.rdp.paddr + + ((unsigned long)srng->u.dst_ring.hp_addr - + (unsigned long)ab->hal.rdp.vaddr); +} + +dma_addr_t ath12k_hal_srng_get_tp_addr(struct ath12k_base *ab, + struct hal_srng *srng) +{ + if (!(srng->flags & HAL_SRNG_FLAGS_LMAC_RING)) + return 0; + + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + return ab->hal.rdp.paddr + + ((unsigned long)srng->u.src_ring.tp_addr - + (unsigned long)ab->hal.rdp.vaddr); + else + return ab->hal.wrp.paddr + + ((unsigned long)srng->u.dst_ring.tp_addr - + (unsigned long)ab->hal.wrp.vaddr); +} + +u32 ath12k_hal_ce_get_desc_size(enum hal_ce_desc type) +{ + switch (type) { + case HAL_CE_DESC_SRC: + return sizeof(struct hal_ce_srng_src_desc); + case HAL_CE_DESC_DST: + return sizeof(struct hal_ce_srng_dest_desc); + case HAL_CE_DESC_DST_STATUS: + return sizeof(struct hal_ce_srng_dst_status_desc); + } + + return 0; +} + +void ath12k_hal_ce_src_set_desc(struct hal_ce_srng_src_desc *desc, dma_addr_t paddr, + u32 len, u32 id, u8 byte_swap_data) +{ + desc->buffer_addr_low = cpu_to_le32(paddr & HAL_ADDR_LSB_REG_MASK); + desc->buffer_addr_info = + le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_CE_SRC_DESC_ADDR_INFO_ADDR_HI) | + le32_encode_bits(byte_swap_data, + HAL_CE_SRC_DESC_ADDR_INFO_BYTE_SWAP) | + le32_encode_bits(0, HAL_CE_SRC_DESC_ADDR_INFO_GATHER) | + le32_encode_bits(len, HAL_CE_SRC_DESC_ADDR_INFO_LEN); + desc->meta_info = le32_encode_bits(id, HAL_CE_SRC_DESC_META_INFO_DATA); +} + +void ath12k_hal_ce_dst_set_desc(struct hal_ce_srng_dest_desc *desc, dma_addr_t paddr) +{ + desc->buffer_addr_low = cpu_to_le32(paddr & HAL_ADDR_LSB_REG_MASK); + desc->buffer_addr_info = + le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_CE_DEST_DESC_ADDR_INFO_ADDR_HI); +} + +u32 ath12k_hal_ce_dst_status_get_length(struct hal_ce_srng_dst_status_desc *desc) +{ + u32 len; + + len = le32_get_bits(desc->flags, HAL_CE_DST_STATUS_DESC_FLAGS_LEN); + desc->flags &= ~cpu_to_le32(HAL_CE_DST_STATUS_DESC_FLAGS_LEN); + + return len; +} + +void ath12k_hal_set_link_desc_addr(struct hal_wbm_link_desc *desc, u32 cookie, + dma_addr_t paddr) +{ + desc->buf_addr_info.info0 = le32_encode_bits((paddr & HAL_ADDR_LSB_REG_MASK), + BUFFER_ADDR_INFO0_ADDR); + desc->buf_addr_info.info1 = + le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT), + BUFFER_ADDR_INFO1_ADDR) | + le32_encode_bits(1, BUFFER_ADDR_INFO1_RET_BUF_MGR) | + le32_encode_bits(cookie, BUFFER_ADDR_INFO1_SW_COOKIE); +} + +void *ath12k_hal_srng_dst_peek(struct ath12k_base *ab, struct hal_srng *srng) +{ + lockdep_assert_held(&srng->lock); + + if (srng->u.dst_ring.tp != srng->u.dst_ring.cached_hp) + return (srng->ring_base_vaddr + srng->u.dst_ring.tp); + + return NULL; +} + +void *ath12k_hal_srng_dst_get_next_entry(struct ath12k_base *ab, + struct hal_srng *srng) +{ + void *desc; + + lockdep_assert_held(&srng->lock); + + if (srng->u.dst_ring.tp == srng->u.dst_ring.cached_hp) + return NULL; + + desc = srng->ring_base_vaddr + srng->u.dst_ring.tp; + + srng->u.dst_ring.tp = (srng->u.dst_ring.tp + srng->entry_size) % + srng->ring_size; + + return desc; +} + +int ath12k_hal_srng_dst_num_free(struct ath12k_base *ab, struct hal_srng *srng, + bool sync_hw_ptr) +{ + u32 tp, hp; + + lockdep_assert_held(&srng->lock); + + tp = srng->u.dst_ring.tp; + + if (sync_hw_ptr) { + hp = *srng->u.dst_ring.hp_addr; + srng->u.dst_ring.cached_hp = hp; + } else { + hp = srng->u.dst_ring.cached_hp; + } + + if (hp >= tp) + return (hp - tp) / srng->entry_size; + else + return (srng->ring_size - tp + hp) / srng->entry_size; +} + +/* Returns number of available entries in src ring */ +int ath12k_hal_srng_src_num_free(struct ath12k_base *ab, struct hal_srng *srng, + bool sync_hw_ptr) +{ + u32 tp, hp; + + lockdep_assert_held(&srng->lock); + + hp = srng->u.src_ring.hp; + + if (sync_hw_ptr) { + tp = *srng->u.src_ring.tp_addr; + srng->u.src_ring.cached_tp = tp; + } else { + tp = srng->u.src_ring.cached_tp; + } + + if (tp > hp) + return ((tp - hp) / srng->entry_size) - 1; + else + return ((srng->ring_size - hp + tp) / srng->entry_size) - 1; +} + +void *ath12k_hal_srng_src_get_next_entry(struct ath12k_base *ab, + struct hal_srng *srng) +{ + void *desc; + u32 next_hp; + + lockdep_assert_held(&srng->lock); + + /* TODO: Using % is expensive, but we have to do this since size of some + * SRNG rings is not power of 2 (due to descriptor sizes). Need to see + * if separate function is defined for rings having power of 2 ring size + * (TCL2SW, REO2SW, SW2RXDMA and CE rings) so that we can avoid the + * overhead of % by using mask (with &). + */ + next_hp = (srng->u.src_ring.hp + srng->entry_size) % srng->ring_size; + + if (next_hp == srng->u.src_ring.cached_tp) + return NULL; + + desc = srng->ring_base_vaddr + srng->u.src_ring.hp; + srng->u.src_ring.hp = next_hp; + + /* TODO: Reap functionality is not used by all rings. If particular + * ring does not use reap functionality, we need not update reap_hp + * with next_hp pointer. Need to make sure a separate function is used + * before doing any optimization by removing below code updating + * reap_hp. + */ + srng->u.src_ring.reap_hp = next_hp; + + return desc; +} + +void *ath12k_hal_srng_src_reap_next(struct ath12k_base *ab, + struct hal_srng *srng) +{ + void *desc; + u32 next_reap_hp; + + lockdep_assert_held(&srng->lock); + + next_reap_hp = (srng->u.src_ring.reap_hp + srng->entry_size) % + srng->ring_size; + + if (next_reap_hp == srng->u.src_ring.cached_tp) + return NULL; + + desc = srng->ring_base_vaddr + next_reap_hp; + srng->u.src_ring.reap_hp = next_reap_hp; + + return desc; +} + +void *ath12k_hal_srng_src_get_next_reaped(struct ath12k_base *ab, + struct hal_srng *srng) +{ + void *desc; + + lockdep_assert_held(&srng->lock); + + if (srng->u.src_ring.hp == srng->u.src_ring.reap_hp) + return NULL; + + desc = srng->ring_base_vaddr + srng->u.src_ring.hp; + srng->u.src_ring.hp = (srng->u.src_ring.hp + srng->entry_size) % + srng->ring_size; + + return desc; +} + +void ath12k_hal_srng_access_begin(struct ath12k_base *ab, struct hal_srng *srng) +{ + lockdep_assert_held(&srng->lock); + + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + srng->u.src_ring.cached_tp = + *(volatile u32 *)srng->u.src_ring.tp_addr; + else + srng->u.dst_ring.cached_hp = *srng->u.dst_ring.hp_addr; +} + +/* Update cached ring head/tail pointers to HW. ath12k_hal_srng_access_begin() + * should have been called before this. + */ +void ath12k_hal_srng_access_end(struct ath12k_base *ab, struct hal_srng *srng) +{ + lockdep_assert_held(&srng->lock); + + /* TODO: See if we need a write memory barrier here */ + if (srng->flags & HAL_SRNG_FLAGS_LMAC_RING) { + /* For LMAC rings, ring pointer updates are done through FW and + * hence written to a shared memory location that is read by FW + */ + if (srng->ring_dir == HAL_SRNG_DIR_SRC) { + srng->u.src_ring.last_tp = + *(volatile u32 *)srng->u.src_ring.tp_addr; + *srng->u.src_ring.hp_addr = srng->u.src_ring.hp; + } else { + srng->u.dst_ring.last_hp = *srng->u.dst_ring.hp_addr; + *srng->u.dst_ring.tp_addr = srng->u.dst_ring.tp; + } + } else { + if (srng->ring_dir == HAL_SRNG_DIR_SRC) { + srng->u.src_ring.last_tp = + *(volatile u32 *)srng->u.src_ring.tp_addr; + ath12k_hif_write32(ab, + (unsigned long)srng->u.src_ring.hp_addr - + (unsigned long)ab->mem, + srng->u.src_ring.hp); + } else { + srng->u.dst_ring.last_hp = *srng->u.dst_ring.hp_addr; + ath12k_hif_write32(ab, + (unsigned long)srng->u.dst_ring.tp_addr - + (unsigned long)ab->mem, + srng->u.dst_ring.tp); + } + } + + srng->timestamp = jiffies; +} + +void ath12k_hal_setup_link_idle_list(struct ath12k_base *ab, + struct hal_wbm_idle_scatter_list *sbuf, + u32 nsbufs, u32 tot_link_desc, + u32 end_offset) +{ + struct ath12k_buffer_addr *link_addr; + int i; + u32 reg_scatter_buf_sz = HAL_WBM_IDLE_SCATTER_BUF_SIZE / 64; + u32 val; + + link_addr = (void *)sbuf[0].vaddr + HAL_WBM_IDLE_SCATTER_BUF_SIZE; + + for (i = 1; i < nsbufs; i++) { + link_addr->info0 = cpu_to_le32(sbuf[i].paddr & HAL_ADDR_LSB_REG_MASK); + + link_addr->info1 = + le32_encode_bits((u64)sbuf[i].paddr >> HAL_ADDR_MSB_REG_SHIFT, + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) | + le32_encode_bits(BASE_ADDR_MATCH_TAG_VAL, + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG); + + link_addr = (void *)sbuf[i].vaddr + + HAL_WBM_IDLE_SCATTER_BUF_SIZE; + } + + val = u32_encode_bits(reg_scatter_buf_sz, HAL_WBM_SCATTER_BUFFER_SIZE) | + u32_encode_bits(0x1, HAL_WBM_LINK_DESC_IDLE_LIST_MODE); + + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_R0_IDLE_LIST_CONTROL_ADDR(ab), + val); + + val = u32_encode_bits(reg_scatter_buf_sz * nsbufs, + HAL_WBM_SCATTER_RING_SIZE_OF_IDLE_LINK_DESC_LIST); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_SIZE_ADDR(ab), + val); + + val = u32_encode_bits(sbuf[0].paddr & HAL_ADDR_LSB_REG_MASK, + BUFFER_ADDR_INFO0_ADDR); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_RING_BASE_LSB(ab), + val); + + val = u32_encode_bits(BASE_ADDR_MATCH_TAG_VAL, + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG) | + u32_encode_bits((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT, + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_RING_BASE_MSB(ab), + val); + + /* Setup head and tail pointers for the idle list */ + val = u32_encode_bits(sbuf[nsbufs - 1].paddr, BUFFER_ADDR_INFO0_ADDR); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0(ab), + val); + + val = u32_encode_bits(((u64)sbuf[nsbufs - 1].paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) | + u32_encode_bits((end_offset >> 2), + HAL_WBM_SCATTERED_DESC_HEAD_P_OFFSET_IX1); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX1(ab), + val); + + val = u32_encode_bits(sbuf[0].paddr, BUFFER_ADDR_INFO0_ADDR); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0(ab), + val); + + val = u32_encode_bits(sbuf[0].paddr, BUFFER_ADDR_INFO0_ADDR); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX0(ab), + val); + + val = u32_encode_bits(((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT), + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) | + u32_encode_bits(0, HAL_WBM_SCATTERED_DESC_TAIL_P_OFFSET_IX1); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX1(ab), + val); + + val = 2 * tot_link_desc; + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HP_ADDR(ab), + val); + + /* Enable the SRNG */ + val = u32_encode_bits(1, HAL_WBM_IDLE_LINK_RING_MISC_SRNG_ENABLE) | + u32_encode_bits(1, HAL_WBM_IDLE_LINK_RING_MISC_RIND_ID_DISABLE); + ath12k_hif_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_IDLE_LINK_RING_MISC_ADDR(ab), + val); +} + +int ath12k_hal_srng_setup(struct ath12k_base *ab, enum hal_ring_type type, + int ring_num, int mac_id, + struct hal_srng_params *params) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_srng_config *srng_config = &ab->hal.srng_config[type]; + struct hal_srng *srng; + int ring_id; + u32 idx; + int i; + u32 reg_base; + + ring_id = ath12k_hal_srng_get_ring_id(ab, type, ring_num, mac_id); + if (ring_id < 0) + return ring_id; + + srng = &hal->srng_list[ring_id]; + + srng->ring_id = ring_id; + srng->ring_dir = srng_config->ring_dir; + srng->ring_base_paddr = params->ring_base_paddr; + srng->ring_base_vaddr = params->ring_base_vaddr; + srng->entry_size = srng_config->entry_size; + srng->num_entries = params->num_entries; + srng->ring_size = srng->entry_size * srng->num_entries; + srng->intr_batch_cntr_thres_entries = + params->intr_batch_cntr_thres_entries; + srng->intr_timer_thres_us = params->intr_timer_thres_us; + srng->flags = params->flags; + srng->msi_addr = params->msi_addr; + srng->msi2_addr = params->msi2_addr; + srng->msi_data = params->msi_data; + srng->msi2_data = params->msi2_data; + srng->initialized = 1; + spin_lock_init(&srng->lock); + lockdep_set_class(&srng->lock, &srng->lock_key); + + for (i = 0; i < HAL_SRNG_NUM_REG_GRP; i++) { + srng->hwreg_base[i] = srng_config->reg_start[i] + + (ring_num * srng_config->reg_size[i]); + } + + memset(srng->ring_base_vaddr, 0, + (srng->entry_size * srng->num_entries) << 2); + + reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2]; + + if (srng->ring_dir == HAL_SRNG_DIR_SRC) { + srng->u.src_ring.hp = 0; + srng->u.src_ring.cached_tp = 0; + srng->u.src_ring.reap_hp = srng->ring_size - srng->entry_size; + srng->u.src_ring.tp_addr = (void *)(hal->rdp.vaddr + ring_id); + srng->u.src_ring.low_threshold = params->low_threshold * + srng->entry_size; + if (srng_config->mac_type == ATH12K_HAL_SRNG_UMAC) { + if (!ab->hw_params->supports_shadow_regs) + srng->u.src_ring.hp_addr = + (u32 *)((unsigned long)ab->mem + reg_base); + else + ath12k_dbg(ab, ATH12K_DBG_HAL, + "hal type %d ring_num %d reg_base 0x%x shadow 0x%lx\n", + type, ring_num, + reg_base, + (unsigned long)srng->u.src_ring.hp_addr - + (unsigned long)ab->mem); + } else { + idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START; + srng->u.src_ring.hp_addr = (void *)(hal->wrp.vaddr + + idx); + srng->flags |= HAL_SRNG_FLAGS_LMAC_RING; + } + } else { + /* During initialization loop count in all the descriptors + * will be set to zero, and HW will set it to 1 on completing + * descriptor update in first loop, and increments it by 1 on + * subsequent loops (loop count wraps around after reaching + * 0xffff). The 'loop_cnt' in SW ring state is the expected + * loop count in descriptors updated by HW (to be processed + * by SW). + */ + srng->u.dst_ring.loop_cnt = 1; + srng->u.dst_ring.tp = 0; + srng->u.dst_ring.cached_hp = 0; + srng->u.dst_ring.hp_addr = (void *)(hal->rdp.vaddr + ring_id); + if (srng_config->mac_type == ATH12K_HAL_SRNG_UMAC) { + if (!ab->hw_params->supports_shadow_regs) + srng->u.dst_ring.tp_addr = + (u32 *)((unsigned long)ab->mem + reg_base + + (HAL_REO1_RING_TP - HAL_REO1_RING_HP)); + else + ath12k_dbg(ab, ATH12K_DBG_HAL, + "type %d ring_num %d target_reg 0x%x shadow 0x%lx\n", + type, ring_num, + reg_base + HAL_REO1_RING_TP - HAL_REO1_RING_HP, + (unsigned long)srng->u.dst_ring.tp_addr - + (unsigned long)ab->mem); + } else { + /* For PMAC & DMAC rings, tail pointer updates will be done + * through FW by writing to a shared memory location + */ + idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START; + srng->u.dst_ring.tp_addr = (void *)(hal->wrp.vaddr + + idx); + srng->flags |= HAL_SRNG_FLAGS_LMAC_RING; + } + } + + if (srng_config->mac_type != ATH12K_HAL_SRNG_UMAC) + return ring_id; + + ath12k_hal_srng_hw_init(ab, srng); + + if (type == HAL_CE_DST) { + srng->u.dst_ring.max_buffer_length = params->max_buffer_len; + ath12k_hal_ce_dst_setup(ab, srng, ring_num); + } + + return ring_id; +} + +static void ath12k_hal_srng_update_hp_tp_addr(struct ath12k_base *ab, + int shadow_cfg_idx, + enum hal_ring_type ring_type, + int ring_num) +{ + struct hal_srng *srng; + struct ath12k_hal *hal = &ab->hal; + int ring_id; + struct hal_srng_config *srng_config = &hal->srng_config[ring_type]; + + ring_id = ath12k_hal_srng_get_ring_id(ab, ring_type, ring_num, 0); + if (ring_id < 0) + return; + + srng = &hal->srng_list[ring_id]; + + if (srng_config->ring_dir == HAL_SRNG_DIR_DST) + srng->u.dst_ring.tp_addr = (u32 *)(HAL_SHADOW_REG(shadow_cfg_idx) + + (unsigned long)ab->mem); + else + srng->u.src_ring.hp_addr = (u32 *)(HAL_SHADOW_REG(shadow_cfg_idx) + + (unsigned long)ab->mem); +} + +int ath12k_hal_srng_update_shadow_config(struct ath12k_base *ab, + enum hal_ring_type ring_type, + int ring_num) +{ + struct ath12k_hal *hal = &ab->hal; + struct hal_srng_config *srng_config = &hal->srng_config[ring_type]; + int shadow_cfg_idx = hal->num_shadow_reg_configured; + u32 target_reg; + + if (shadow_cfg_idx >= HAL_SHADOW_NUM_REGS) + return -EINVAL; + + hal->num_shadow_reg_configured++; + + target_reg = srng_config->reg_start[HAL_HP_OFFSET_IN_REG_START]; + target_reg += srng_config->reg_size[HAL_HP_OFFSET_IN_REG_START] * + ring_num; + + /* For destination ring, shadow the TP */ + if (srng_config->ring_dir == HAL_SRNG_DIR_DST) + target_reg += HAL_OFFSET_FROM_HP_TO_TP; + + hal->shadow_reg_addr[shadow_cfg_idx] = target_reg; + + /* update hp/tp addr to hal structure*/ + ath12k_hal_srng_update_hp_tp_addr(ab, shadow_cfg_idx, ring_type, + ring_num); + + ath12k_dbg(ab, ATH12K_DBG_HAL, + "target_reg %x, shadow reg 0x%x shadow_idx 0x%x, ring_type %d, ring num %d", + target_reg, + HAL_SHADOW_REG(shadow_cfg_idx), + shadow_cfg_idx, + ring_type, ring_num); + + return 0; +} + +void ath12k_hal_srng_shadow_config(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + int ring_type, ring_num; + + /* update all the non-CE srngs. */ + for (ring_type = 0; ring_type < HAL_MAX_RING_TYPES; ring_type++) { + struct hal_srng_config *srng_config = &hal->srng_config[ring_type]; + + if (ring_type == HAL_CE_SRC || + ring_type == HAL_CE_DST || + ring_type == HAL_CE_DST_STATUS) + continue; + + if (srng_config->mac_type == ATH12K_HAL_SRNG_DMAC || + srng_config->mac_type == ATH12K_HAL_SRNG_PMAC) + continue; + + for (ring_num = 0; ring_num < srng_config->max_rings; ring_num++) + ath12k_hal_srng_update_shadow_config(ab, ring_type, ring_num); + } +} + +void ath12k_hal_srng_get_shadow_config(struct ath12k_base *ab, + u32 **cfg, u32 *len) +{ + struct ath12k_hal *hal = &ab->hal; + + *len = hal->num_shadow_reg_configured; + *cfg = hal->shadow_reg_addr; +} + +void ath12k_hal_srng_shadow_update_hp_tp(struct ath12k_base *ab, + struct hal_srng *srng) +{ + lockdep_assert_held(&srng->lock); + + /* check whether the ring is emptry. Update the shadow + * HP only when then ring isn't' empty. + */ + if (srng->ring_dir == HAL_SRNG_DIR_SRC && + *srng->u.src_ring.tp_addr != srng->u.src_ring.hp) + ath12k_hal_srng_access_end(ab, srng); +} + +static void ath12k_hal_register_srng_lock_keys(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + u32 ring_id; + + for (ring_id = 0; ring_id < HAL_SRNG_RING_ID_MAX; ring_id++) + lockdep_register_key(&hal->srng_list[ring_id].lock_key); +} + +static void ath12k_hal_unregister_srng_lock_keys(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + u32 ring_id; + + for (ring_id = 0; ring_id < HAL_SRNG_RING_ID_MAX; ring_id++) + lockdep_unregister_key(&hal->srng_list[ring_id].lock_key); +} + +int ath12k_hal_srng_init(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + int ret; + + memset(hal, 0, sizeof(*hal)); + + ret = ab->hw_params->hal_ops->create_srng_config(ab); + if (ret) + goto err_hal; + + ret = ath12k_hal_alloc_cont_rdp(ab); + if (ret) + goto err_hal; + + ret = ath12k_hal_alloc_cont_wrp(ab); + if (ret) + goto err_free_cont_rdp; + + ath12k_hal_register_srng_lock_keys(ab); + + return 0; + +err_free_cont_rdp: + ath12k_hal_free_cont_rdp(ab); + +err_hal: + return ret; +} + +void ath12k_hal_srng_deinit(struct ath12k_base *ab) +{ + struct ath12k_hal *hal = &ab->hal; + + ath12k_hal_unregister_srng_lock_keys(ab); + ath12k_hal_free_cont_rdp(ab); + ath12k_hal_free_cont_wrp(ab); + kfree(hal->srng_config); +} + +void ath12k_hal_dump_srng_stats(struct ath12k_base *ab) +{ + struct hal_srng *srng; + struct ath12k_ext_irq_grp *irq_grp; + struct ath12k_ce_pipe *ce_pipe; + int i; + + ath12k_err(ab, "Last interrupt received for each CE:\n"); + for (i = 0; i < ab->hw_params->ce_count; i++) { + ce_pipe = &ab->ce.ce_pipe[i]; + + if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) + continue; + + ath12k_err(ab, "CE_id %d pipe_num %d %ums before\n", + i, ce_pipe->pipe_num, + jiffies_to_msecs(jiffies - ce_pipe->timestamp)); + } + + ath12k_err(ab, "\nLast interrupt received for each group:\n"); + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { + irq_grp = &ab->ext_irq_grp[i]; + ath12k_err(ab, "group_id %d %ums before\n", + irq_grp->grp_id, + jiffies_to_msecs(jiffies - irq_grp->timestamp)); + } + + for (i = 0; i < HAL_SRNG_RING_ID_MAX; i++) { + srng = &ab->hal.srng_list[i]; + + if (!srng->initialized) + continue; + + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + ath12k_err(ab, + "src srng id %u hp %u, reap_hp %u, cur tp %u, cached tp %u last tp %u napi processed before %ums\n", + srng->ring_id, srng->u.src_ring.hp, + srng->u.src_ring.reap_hp, + *srng->u.src_ring.tp_addr, srng->u.src_ring.cached_tp, + srng->u.src_ring.last_tp, + jiffies_to_msecs(jiffies - srng->timestamp)); + else if (srng->ring_dir == HAL_SRNG_DIR_DST) + ath12k_err(ab, + "dst srng id %u tp %u, cur hp %u, cached hp %u last hp %u napi processed before %ums\n", + srng->ring_id, srng->u.dst_ring.tp, + *srng->u.dst_ring.hp_addr, + srng->u.dst_ring.cached_hp, + srng->u.dst_ring.last_hp, + jiffies_to_msecs(jiffies - srng->timestamp)); + } +}