diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/hal.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/hal.c | 1124 |
1 files changed, 1124 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c new file mode 100644 index 000000000000..b58ac11c2747 --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -0,0 +1,1124 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + */ +#include <linux/dma-mapping.h> +#include "ahb.h" +#include "hal_tx.h" +#include "debug.h" +#include "hal_desc.h" + +static const struct hal_srng_config hw_srng_config[] = { + /* TODO: max_rings can populated by querying HW capabilities */ + { /* REO_DST */ + .start_ring_id = HAL_SRNG_RING_ID_REO2SW1, + .max_rings = 4, + .entry_size = sizeof(struct hal_reo_dest_ring) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_HP, + }, + .reg_size = { + HAL_REO2_RING_BASE_LSB - HAL_REO1_RING_BASE_LSB, + HAL_REO2_RING_HP - HAL_REO1_RING_HP, + }, + .max_size = HAL_REO_REO2SW1_RING_BASE_MSB_RING_SIZE, + }, + { /* REO_EXCEPTION */ + /* Designating REO2TCL ring as exception ring. This ring is + * similar to other REO2SW rings though it is named as REO2TCL. + * Any of theREO2SW rings can be used as exception ring. + */ + .start_ring_id = HAL_SRNG_RING_ID_REO2TCL, + .max_rings = 1, + .entry_size = sizeof(struct hal_reo_dest_ring) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_TCL_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_TCL_RING_HP, + }, + .max_size = HAL_REO_REO2TCL_RING_BASE_MSB_RING_SIZE, + }, + { /* REO_REINJECT */ + .start_ring_id = HAL_SRNG_RING_ID_SW2REO, + .max_rings = 1, + .entry_size = sizeof(struct hal_reo_entrance_ring) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_HP, + }, + .max_size = HAL_REO_SW2REO_RING_BASE_MSB_RING_SIZE, + }, + { /* REO_CMD */ + .start_ring_id = HAL_SRNG_RING_ID_REO_CMD, + .max_rings = 1, + .entry_size = (sizeof(struct hal_tlv_hdr) + + sizeof(struct hal_reo_get_queue_stats)) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_HP, + }, + .max_size = HAL_REO_CMD_RING_BASE_MSB_RING_SIZE, + }, + { /* REO_STATUS */ + .start_ring_id = HAL_SRNG_RING_ID_REO_STATUS, + .max_rings = 1, + .entry_size = (sizeof(struct hal_tlv_hdr) + + sizeof(struct hal_reo_get_queue_stats_status)) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + HAL_SEQ_WCSS_UMAC_REO_REG + + HAL_REO_STATUS_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP, + }, + .max_size = HAL_REO_STATUS_RING_BASE_MSB_RING_SIZE, + }, + { /* TCL_DATA */ + .start_ring_id = HAL_SRNG_RING_ID_SW2TCL1, + .max_rings = 3, + .entry_size = (sizeof(struct hal_tlv_hdr) + + sizeof(struct hal_tcl_data_cmd)) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP, + }, + .reg_size = { + HAL_TCL2_RING_BASE_LSB - HAL_TCL1_RING_BASE_LSB, + HAL_TCL2_RING_HP - HAL_TCL1_RING_HP, + }, + .max_size = HAL_SW2TCL1_RING_BASE_MSB_RING_SIZE, + }, + { /* TCL_CMD */ + .start_ring_id = HAL_SRNG_RING_ID_SW2TCL_CMD, + .max_rings = 1, + .entry_size = (sizeof(struct hal_tlv_hdr) + + sizeof(struct hal_tcl_gse_cmd)) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_HP, + }, + .max_size = HAL_SW2TCL1_CMD_RING_BASE_MSB_RING_SIZE, + }, + { /* 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, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL_STATUS_RING_BASE_LSB, + HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP, + }, + .max_size = HAL_TCL_STATUS_RING_BASE_MSB_RING_SIZE, + }, + { /* CE_SRC */ + .start_ring_id = HAL_SRNG_RING_ID_CE0_SRC, + .max_rings = 12, + .entry_size = sizeof(struct hal_ce_srng_src_desc) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + + HAL_CE_DST_RING_BASE_LSB), + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG + HAL_CE_DST_RING_HP, + }, + .reg_size = { + (HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG), + (HAL_SEQ_WCSS_UMAC_CE1_SRC_REG - + HAL_SEQ_WCSS_UMAC_CE0_SRC_REG), + }, + .max_size = HAL_CE_SRC_RING_BASE_MSB_RING_SIZE, + }, + { /* CE_DST */ + .start_ring_id = HAL_SRNG_RING_ID_CE0_DST, + .max_rings = 12, + .entry_size = sizeof(struct hal_ce_srng_dest_desc) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + HAL_CE_DST_RING_BASE_LSB), + HAL_SEQ_WCSS_UMAC_CE0_DST_REG + HAL_CE_DST_RING_HP, + }, + .reg_size = { + (HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG), + (HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG), + }, + .max_size = HAL_CE_DST_RING_BASE_MSB_RING_SIZE, + }, + { /* CE_DST_STATUS */ + .start_ring_id = HAL_SRNG_RING_ID_CE0_DST_STATUS, + .max_rings = 12, + .entry_size = sizeof(struct hal_ce_srng_dst_status_desc) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + HAL_CE_DST_STATUS_RING_BASE_LSB), + (HAL_SEQ_WCSS_UMAC_CE0_DST_REG + + HAL_CE_DST_STATUS_RING_HP), + }, + .reg_size = { + (HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG), + (HAL_SEQ_WCSS_UMAC_CE1_DST_REG - + HAL_SEQ_WCSS_UMAC_CE0_DST_REG), + }, + .max_size = HAL_CE_DST_STATUS_RING_BASE_MSB_RING_SIZE, + }, + { /* 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, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_IDLE_LINK_RING_BASE_LSB), + (HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_HP), + }, + .max_size = HAL_WBM_IDLE_LINK_RING_BASE_MSB_RING_SIZE, + }, + { /* SW2WBM_RELEASE */ + .start_ring_id = HAL_SRNG_RING_ID_WBM_SW_RELEASE, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_release_ring) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_SRC, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_RELEASE_RING_BASE_LSB), + (HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_RELEASE_RING_HP), + }, + .max_size = HAL_SW2WBM_RELEASE_RING_BASE_MSB_RING_SIZE, + }, + { /* WBM2SW_RELEASE */ + .start_ring_id = HAL_SRNG_RING_ID_WBM2SW0_RELEASE, + .max_rings = 4, + .entry_size = sizeof(struct hal_wbm_release_ring) >> 2, + .lmac_ring = false, + .ring_dir = HAL_SRNG_DIR_DST, + .reg_start = { + (HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM0_RELEASE_RING_BASE_LSB), + (HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_HP), + }, + .reg_size = { + (HAL_WBM1_RELEASE_RING_BASE_LSB - + HAL_WBM0_RELEASE_RING_BASE_LSB), + (HAL_WBM1_RELEASE_RING_HP - HAL_WBM0_RELEASE_RING_HP), + }, + .max_size = HAL_WBM2SW_RELEASE_RING_BASE_MSB_RING_SIZE, + }, + { /* RXDMA_BUF */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF, + .max_rings = 2, + .entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA_DST */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_RXDMA2SW0, + .max_rings = 1, + .entry_size = sizeof(struct hal_reo_entrance_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA_MONITOR_BUF */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXDMA2_BUF, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA_MONITOR_STATUS */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_STATBUF, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA_MONITOR_DST */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_RXDMA2SW1, + .max_rings = 1, + .entry_size = sizeof(struct hal_reo_entrance_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_DST, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA_MONITOR_DESC */ + .start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_DESC, + .max_rings = 1, + .entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2, + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, + { /* RXDMA DIR BUF */ + .start_ring_id = HAL_SRNG_RING_ID_RXDMA_DIR_BUF, + .max_rings = 1, + .entry_size = 8 >> 2, /* TODO: Define the struct */ + .lmac_ring = true, + .ring_dir = HAL_SRNG_DIR_SRC, + .max_size = HAL_RXDMA_RING_MAX_SIZE, + }, +}; + +static int ath11k_hal_alloc_cont_rdp(struct ath11k_base *ab) +{ + struct ath11k_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 ath11k_hal_free_cont_rdp(struct ath11k_base *ab) +{ + struct ath11k_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 ath11k_hal_alloc_cont_wrp(struct ath11k_base *ab) +{ + struct ath11k_hal *hal = &ab->hal; + size_t size; + + size = sizeof(u32) * HAL_SRNG_NUM_LMAC_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 ath11k_hal_free_cont_wrp(struct ath11k_base *ab) +{ + struct ath11k_hal *hal = &ab->hal; + size_t size; + + if (!hal->wrp.vaddr) + return; + + size = sizeof(u32) * HAL_SRNG_NUM_LMAC_RINGS; + dma_free_coherent(ab->dev, size, + hal->wrp.vaddr, hal->wrp.paddr); + hal->wrp.vaddr = NULL; +} + +static void ath11k_hal_ce_dst_setup(struct ath11k_base *ab, + struct hal_srng *srng, int ring_num) +{ + const struct hal_srng_config *srng_config = &hw_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 = ath11k_ahb_read32(ab, addr); + val &= ~HAL_CE_DST_R0_DEST_CTRL_MAX_LEN; + val |= FIELD_PREP(HAL_CE_DST_R0_DEST_CTRL_MAX_LEN, + srng->u.dst_ring.max_buffer_length); + ath11k_ahb_write32(ab, addr, val); +} + +static void ath11k_hal_srng_dst_hw_init(struct ath11k_base *ab, + struct hal_srng *srng) +{ + struct ath11k_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) { + ath11k_ahb_write32(ab, reg_base + + HAL_REO1_RING_MSI1_BASE_LSB_OFFSET, + (u32)srng->msi_addr); + + val = FIELD_PREP(HAL_REO1_RING_MSI1_BASE_MSB_ADDR, + ((u64)srng->msi_addr >> + HAL_ADDR_MSB_REG_SHIFT)) | + HAL_REO1_RING_MSI1_BASE_MSB_MSI1_ENABLE; + ath11k_ahb_write32(ab, reg_base + + HAL_REO1_RING_MSI1_BASE_MSB_OFFSET, val); + + ath11k_ahb_write32(ab, + reg_base + HAL_REO1_RING_MSI1_DATA_OFFSET, + srng->msi_data); + } + + ath11k_ahb_write32(ab, reg_base, (u32)srng->ring_base_paddr); + + val = FIELD_PREP(HAL_REO1_RING_BASE_MSB_RING_BASE_ADDR_MSB, + ((u64)srng->ring_base_paddr >> + HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(HAL_REO1_RING_BASE_MSB_RING_SIZE, + (srng->entry_size * srng->num_entries)); + ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_BASE_MSB_OFFSET, val); + + val = FIELD_PREP(HAL_REO1_RING_ID_RING_ID, srng->ring_id) | + FIELD_PREP(HAL_REO1_RING_ID_ENTRY_SIZE, srng->entry_size); + ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_ID_OFFSET, val); + + /* interrupt setup */ + val = FIELD_PREP(HAL_REO1_RING_PRDR_INT_SETUP_INTR_TMR_THOLD, + (srng->intr_timer_thres_us >> 3)); + + val |= FIELD_PREP(HAL_REO1_RING_PRDR_INT_SETUP_BATCH_COUNTER_THOLD, + (srng->intr_batch_cntr_thres_entries * + srng->entry_size)); + + ath11k_ahb_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); + ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_LSB_OFFSET, + hp_addr & HAL_ADDR_LSB_REG_MASK); + ath11k_ahb_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]; + ath11k_ahb_write32(ab, reg_base, 0); + ath11k_ahb_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; + + ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_MISC_OFFSET, val); +} + +static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab, + struct hal_srng *srng) +{ + struct ath11k_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) { + ath11k_ahb_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET, + (u32)srng->msi_addr); + + val = FIELD_PREP(HAL_TCL1_RING_MSI1_BASE_MSB_ADDR, + ((u64)srng->msi_addr >> + HAL_ADDR_MSB_REG_SHIFT)) | + HAL_TCL1_RING_MSI1_BASE_MSB_MSI1_ENABLE; + ath11k_ahb_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET, + val); + + ath11k_ahb_write32(ab, reg_base + + HAL_TCL1_RING_MSI1_DATA_OFFSET, + srng->msi_data); + } + + ath11k_ahb_write32(ab, reg_base, (u32)srng->ring_base_paddr); + + val = FIELD_PREP(HAL_TCL1_RING_BASE_MSB_RING_BASE_ADDR_MSB, + ((u64)srng->ring_base_paddr >> + HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(HAL_TCL1_RING_BASE_MSB_RING_SIZE, + (srng->entry_size * srng->num_entries)); + ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET, val); + + val = FIELD_PREP(HAL_REO1_RING_ID_ENTRY_SIZE, srng->entry_size); + ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET, 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 = FIELD_PREP(HAL_TCL1_RING_CONSR_INT_SETUP_IX0_INTR_TMR_THOLD, + srng->intr_timer_thres_us); + + val |= FIELD_PREP(HAL_TCL1_RING_CONSR_INT_SETUP_IX0_BATCH_COUNTER_THOLD, + (srng->intr_batch_cntr_thres_entries * + srng->entry_size)); + + ath11k_ahb_write32(ab, + reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET, + val); + + val = 0; + if (srng->flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) { + val |= FIELD_PREP(HAL_TCL1_RING_CONSR_INT_SETUP_IX1_LOW_THOLD, + srng->u.src_ring.low_threshold); + } + ath11k_ahb_write32(ab, + reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET, + 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); + ath11k_ahb_write32(ab, + reg_base + HAL_TCL1_RING_TP_ADDR_LSB_OFFSET, + tp_addr & HAL_ADDR_LSB_REG_MASK); + ath11k_ahb_write32(ab, + reg_base + HAL_TCL1_RING_TP_ADDR_MSB_OFFSET, + 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]; + ath11k_ahb_write32(ab, reg_base, 0); + ath11k_ahb_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; + + ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_MISC_OFFSET, val); +} + +static void ath11k_hal_srng_hw_init(struct ath11k_base *ab, + struct hal_srng *srng) +{ + if (srng->ring_dir == HAL_SRNG_DIR_SRC) + ath11k_hal_srng_src_hw_init(ab, srng); + else + ath11k_hal_srng_dst_hw_init(ab, srng); +} + +static int ath11k_hal_srng_get_ring_id(struct ath11k_base *ab, + enum hal_ring_type type, + int ring_num, int mac_id) +{ + const struct hal_srng_config *srng_config = &hw_srng_config[type]; + int ring_id; + + if (ring_num >= srng_config->max_rings) { + ath11k_warn(ab, "invalid ring number :%d\n", ring_num); + return -EINVAL; + } + + ring_id = srng_config->start_ring_id + ring_num; + if (srng_config->lmac_ring) + ring_id += mac_id * HAL_SRNG_RINGS_PER_LMAC; + + if (WARN_ON(ring_id >= HAL_SRNG_RING_ID_MAX)) + return -EINVAL; + + return ring_id; +} + +int ath11k_hal_srng_get_entrysize(u32 ring_type) +{ + const struct hal_srng_config *srng_config; + + if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES)) + return -EINVAL; + + srng_config = &hw_srng_config[ring_type]; + + return (srng_config->entry_size << 2); +} + +int ath11k_hal_srng_get_max_entries(u32 ring_type) +{ + const struct hal_srng_config *srng_config; + + if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES)) + return -EINVAL; + + srng_config = &hw_srng_config[ring_type]; + + return (srng_config->max_size / srng_config->entry_size); +} + +void ath11k_hal_srng_get_params(struct ath11k_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->flags = srng->flags; +} + +dma_addr_t ath11k_hal_srng_get_hp_addr(struct ath11k_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 ath11k_hal_srng_get_tp_addr(struct ath11k_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 ath11k_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 ath11k_hal_ce_src_set_desc(void *buf, dma_addr_t paddr, u32 len, u32 id, + u8 byte_swap_data) +{ + struct hal_ce_srng_src_desc *desc = (struct hal_ce_srng_src_desc *)buf; + + desc->buffer_addr_low = paddr & HAL_ADDR_LSB_REG_MASK; + desc->buffer_addr_info = + FIELD_PREP(HAL_CE_SRC_DESC_ADDR_INFO_ADDR_HI, + ((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(HAL_CE_SRC_DESC_ADDR_INFO_BYTE_SWAP, + byte_swap_data) | + FIELD_PREP(HAL_CE_SRC_DESC_ADDR_INFO_GATHER, 0) | + FIELD_PREP(HAL_CE_SRC_DESC_ADDR_INFO_LEN, len); + desc->meta_info = FIELD_PREP(HAL_CE_SRC_DESC_META_INFO_DATA, id); +} + +void ath11k_hal_ce_dst_set_desc(void *buf, dma_addr_t paddr) +{ + struct hal_ce_srng_dest_desc *desc = + (struct hal_ce_srng_dest_desc *)buf; + + desc->buffer_addr_low = paddr & HAL_ADDR_LSB_REG_MASK; + desc->buffer_addr_info = + FIELD_PREP(HAL_CE_DEST_DESC_ADDR_INFO_ADDR_HI, + ((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT)); +} + +u32 ath11k_hal_ce_dst_status_get_length(void *buf) +{ + struct hal_ce_srng_dst_status_desc *desc = + (struct hal_ce_srng_dst_status_desc *)buf; + u32 len; + + len = FIELD_GET(HAL_CE_DST_STATUS_DESC_FLAGS_LEN, desc->flags); + desc->flags &= ~HAL_CE_DST_STATUS_DESC_FLAGS_LEN; + + return len; +} + +void ath11k_hal_set_link_desc_addr(struct hal_wbm_link_desc *desc, u32 cookie, + dma_addr_t paddr) +{ + desc->buf_addr_info.info0 = FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, + (paddr & HAL_ADDR_LSB_REG_MASK)); + desc->buf_addr_info.info1 = FIELD_PREP(BUFFER_ADDR_INFO1_ADDR, + ((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(BUFFER_ADDR_INFO1_RET_BUF_MGR, 1) | + FIELD_PREP(BUFFER_ADDR_INFO1_SW_COOKIE, cookie); +} + +u32 *ath11k_hal_srng_dst_peek(struct ath11k_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; +} + +u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, + struct hal_srng *srng) +{ + u32 *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 ath11k_hal_srng_dst_num_free(struct ath11k_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 ath11k_hal_srng_src_num_free(struct ath11k_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; +} + +u32 *ath11k_hal_srng_src_get_next_entry(struct ath11k_base *ab, + struct hal_srng *srng) +{ + u32 *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; +} + +u32 *ath11k_hal_srng_src_reap_next(struct ath11k_base *ab, + struct hal_srng *srng) +{ + u32 *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; +} + +u32 *ath11k_hal_srng_src_get_next_reaped(struct ath11k_base *ab, + struct hal_srng *srng) +{ + u32 *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; +} + +u32 *ath11k_hal_srng_src_peek(struct ath11k_base *ab, struct hal_srng *srng) +{ + lockdep_assert_held(&srng->lock); + + if (((srng->u.src_ring.hp + srng->entry_size) % srng->ring_size) == + srng->u.src_ring.cached_tp) + return NULL; + + return srng->ring_base_vaddr + srng->u.src_ring.hp; +} + +void ath11k_hal_srng_access_begin(struct ath11k_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. ath11k_hal_srng_access_begin() + * should have been called before this. + */ +void ath11k_hal_srng_access_end(struct ath11k_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.hp_addr = srng->u.src_ring.hp; + else + *srng->u.dst_ring.tp_addr = srng->u.dst_ring.tp; + } else { + if (srng->ring_dir == HAL_SRNG_DIR_SRC) { + ath11k_ahb_write32(ab, + (unsigned long)srng->u.src_ring.hp_addr - + (unsigned long)ab->mem, + srng->u.src_ring.hp); + } else { + ath11k_ahb_write32(ab, + (unsigned long)srng->u.dst_ring.tp_addr - + (unsigned long)ab->mem, + srng->u.dst_ring.tp); + } + } +} + +void ath11k_hal_setup_link_idle_list(struct ath11k_base *ab, + struct hal_wbm_idle_scatter_list *sbuf, + u32 nsbufs, u32 tot_link_desc, + u32 end_offset) +{ + struct ath11k_buffer_addr *link_addr; + int i; + u32 reg_scatter_buf_sz = HAL_WBM_IDLE_SCATTER_BUF_SIZE / 64; + + link_addr = (void *)sbuf[0].vaddr + HAL_WBM_IDLE_SCATTER_BUF_SIZE; + + for (i = 1; i < nsbufs; i++) { + link_addr->info0 = sbuf[i].paddr & HAL_ADDR_LSB_REG_MASK; + link_addr->info1 = FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32, + (u64)sbuf[i].paddr >> HAL_ADDR_MSB_REG_SHIFT) | + FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG, + BASE_ADDR_MATCH_TAG_VAL); + + link_addr = (void *)sbuf[i].vaddr + + HAL_WBM_IDLE_SCATTER_BUF_SIZE; + } + + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_CONTROL_ADDR, + FIELD_PREP(HAL_WBM_SCATTER_BUFFER_SIZE, reg_scatter_buf_sz) | + FIELD_PREP(HAL_WBM_LINK_DESC_IDLE_LIST_MODE, 0x1)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_SIZE_ADDR, + FIELD_PREP(HAL_WBM_SCATTER_RING_SIZE_OF_IDLE_LINK_DESC_LIST, + reg_scatter_buf_sz * nsbufs)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_RING_BASE_LSB, + FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, + sbuf[0].paddr & HAL_ADDR_LSB_REG_MASK)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_RING_BASE_MSB, + FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32, + (u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT) | + FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG, + BASE_ADDR_MATCH_TAG_VAL)); + + /* Setup head and tail pointers for the idle list */ + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0, + FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, + sbuf[nsbufs - 1].paddr)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX1, + FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32, + ((u64)sbuf[nsbufs - 1].paddr >> + HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(HAL_WBM_SCATTERED_DESC_HEAD_P_OFFSET_IX1, + (end_offset >> 2))); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0, + FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, + sbuf[0].paddr)); + + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX0, + FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, + sbuf[0].paddr)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX1, + FIELD_PREP( + HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32, + ((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT)) | + FIELD_PREP(HAL_WBM_SCATTERED_DESC_TAIL_P_OFFSET_IX1, + 0)); + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_SCATTERED_DESC_PTR_HP_ADDR, + 2 * tot_link_desc); + + /* Enable the SRNG */ + ath11k_ahb_write32(ab, + HAL_SEQ_WCSS_UMAC_WBM_REG + + HAL_WBM_IDLE_LINK_RING_MISC_ADDR, 0x40); +} + +int ath11k_hal_srng_setup(struct ath11k_base *ab, enum hal_ring_type type, + int ring_num, int mac_id, + struct hal_srng_params *params) +{ + struct ath11k_hal *hal = &ab->hal; + const struct hal_srng_config *srng_config = &hw_srng_config[type]; + struct hal_srng *srng; + int ring_id; + u32 lmac_idx; + int i; + u32 reg_base; + + ring_id = ath11k_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; + spin_lock_init(&srng->lock); + + 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); + + /* TODO: Add comments on these swap configurations */ + if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) + srng->flags |= HAL_SRNG_FLAGS_MSI_SWAP | HAL_SRNG_FLAGS_DATA_TLV_SWAP | + HAL_SRNG_FLAGS_RING_PTR_SWAP; + + 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->lmac_ring) { + lmac_idx = ring_id - HAL_SRNG_RING_ID_LMAC1_ID_START; + srng->u.src_ring.hp_addr = (void *)(hal->wrp.vaddr + + lmac_idx); + srng->flags |= HAL_SRNG_FLAGS_LMAC_RING; + } else { + srng->u.src_ring.hp_addr = + (u32 *)((unsigned long)ab->mem + reg_base); + } + } 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->lmac_ring) { + /* For LMAC rings, tail pointer updates will be done + * through FW by writing to a shared memory location + */ + lmac_idx = ring_id - HAL_SRNG_RING_ID_LMAC1_ID_START; + srng->u.dst_ring.tp_addr = (void *)(hal->wrp.vaddr + + lmac_idx); + srng->flags |= HAL_SRNG_FLAGS_LMAC_RING; + } else { + srng->u.dst_ring.tp_addr = + (u32 *)((unsigned long)ab->mem + reg_base + + (HAL_REO1_RING_TP - HAL_REO1_RING_HP)); + } + } + + if (srng_config->lmac_ring) + return ring_id; + + ath11k_hal_srng_hw_init(ab, srng); + + if (type == HAL_CE_DST) { + srng->u.dst_ring.max_buffer_length = params->max_buffer_len; + ath11k_hal_ce_dst_setup(ab, srng, ring_num); + } + + return ring_id; +} + +int ath11k_hal_srng_init(struct ath11k_base *ab) +{ + struct ath11k_hal *hal = &ab->hal; + int ret; + + memset(hal, 0, sizeof(*hal)); + + hal->srng_config = hw_srng_config; + + ret = ath11k_hal_alloc_cont_rdp(ab); + if (ret) + goto err_hal; + + ret = ath11k_hal_alloc_cont_wrp(ab); + if (ret) + goto err_free_cont_rdp; + + return 0; + +err_free_cont_rdp: + ath11k_hal_free_cont_rdp(ab); + +err_hal: + return ret; +} + +void ath11k_hal_srng_deinit(struct ath11k_base *ab) +{ + ath11k_hal_free_cont_rdp(ab); + ath11k_hal_free_cont_wrp(ab); +} |