diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/hal_tx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/hal_tx.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/hal_tx.c b/drivers/net/wireless/ath/ath11k/hal_tx.c new file mode 100644 index 000000000000..e4aa7e8a1284 --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/hal_tx.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + */ + +#include "ahb.h" +#include "hal.h" +#include "hal_tx.h" + +#define DSCP_TID_MAP_TBL_ENTRY_SIZE 64 + +/* dscp_tid_map - Default DSCP-TID mapping + * + * DSCP TID + * 000000 0 + * 001000 1 + * 010000 2 + * 011000 3 + * 100000 4 + * 101000 5 + * 110000 6 + * 111000 7 + */ +static const u8 dscp_tid_map[DSCP_TID_MAP_TBL_ENTRY_SIZE] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, +}; + +void ath11k_hal_tx_cmd_desc_setup(struct ath11k_base *ab, void *cmd, + struct hal_tx_info *ti) +{ + struct hal_tcl_data_cmd *tcl_cmd = (struct hal_tcl_data_cmd *)cmd; + + tcl_cmd->buf_addr_info.info0 = + FIELD_PREP(BUFFER_ADDR_INFO0_ADDR, ti->paddr); + tcl_cmd->buf_addr_info.info1 = + FIELD_PREP(BUFFER_ADDR_INFO1_ADDR, + ((uint64_t)ti->paddr >> HAL_ADDR_MSB_REG_SHIFT)); + tcl_cmd->buf_addr_info.info1 |= + FIELD_PREP(BUFFER_ADDR_INFO1_RET_BUF_MGR, + (ti->ring_id + HAL_RX_BUF_RBM_SW0_BM)) | + FIELD_PREP(BUFFER_ADDR_INFO1_SW_COOKIE, ti->desc_id); + + tcl_cmd->info0 = + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_DESC_TYPE, ti->type) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ENCAP_TYPE, ti->encap_type) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ENCRYPT_TYPE, + ti->encrypt_type) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_SEARCH_TYPE, + ti->search_type) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_ADDR_EN, + ti->addr_search_flags) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO0_CMD_NUM, + ti->meta_data_flags); + + tcl_cmd->info1 = ti->flags0 | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_DATA_LEN, ti->data_len) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_PKT_OFFSET, ti->pkt_offset); + + tcl_cmd->info2 = ti->flags1 | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID, ti->tid) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_LMAC_ID, ti->lmac_id); + + tcl_cmd->info3 = FIELD_PREP(HAL_TCL_DATA_CMD_INFO3_DSCP_TID_TABLE_IDX, + ti->dscp_tid_tbl_idx) | + FIELD_PREP(HAL_TCL_DATA_CMD_INFO3_SEARCH_INDEX, + ti->bss_ast_hash); + tcl_cmd->info4 = 0; +} + +void ath11k_hal_tx_set_dscp_tid_map(struct ath11k_base *ab, int id) +{ + u32 ctrl_reg_val; + u32 addr; + u8 hw_map_val[HAL_DSCP_TID_TBL_SIZE]; + int i; + u32 value; + int cnt = 0; + + ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL1_RING_CMN_CTRL_REG); + /* Enable read/write access */ + ctrl_reg_val |= HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN; + ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL1_RING_CMN_CTRL_REG, ctrl_reg_val); + + addr = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_DSCP_TID_MAP + + (4 * id * (HAL_DSCP_TID_TBL_SIZE / 4)); + + /* Configure each DSCP-TID mapping in three bits there by configure + * three bytes in an iteration. + */ + for (i = 0; i < DSCP_TID_MAP_TBL_ENTRY_SIZE; i += 8) { + value = FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP0, + dscp_tid_map[i]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP1, + dscp_tid_map[i + 1]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP2, + dscp_tid_map[i + 2]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP3, + dscp_tid_map[i + 3]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP4, + dscp_tid_map[i + 4]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP5, + dscp_tid_map[i + 5]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP6, + dscp_tid_map[i + 6]) | + FIELD_PREP(HAL_TCL1_RING_FIELD_DSCP_TID_MAP7, + dscp_tid_map[i + 7]); + memcpy(&hw_map_val[cnt], (u8 *)&value, 3); + cnt += 3; + } + + for (i = 0; i < HAL_DSCP_TID_TBL_SIZE; i += 4) { + ath11k_ahb_write32(ab, addr, *(u32 *)&hw_map_val[i]); + addr += 4; + } + + /* Disable read/write access */ + ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL1_RING_CMN_CTRL_REG); + ctrl_reg_val &= ~HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN; + ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL1_RING_CMN_CTRL_REG, + ctrl_reg_val); +} + +void ath11k_hal_tx_init_data_ring(struct ath11k_base *ab, struct hal_srng *srng) +{ + struct hal_srng_params params; + struct hal_tlv_hdr *tlv; + int i, entry_size; + u8 *desc; + + memset(¶ms, 0, sizeof(params)); + + entry_size = ath11k_hal_srng_get_entrysize(HAL_TCL_DATA); + ath11k_hal_srng_get_params(ab, srng, ¶ms); + desc = (u8 *)params.ring_base_vaddr; + + for (i = 0; i < params.num_entries; i++) { + tlv = (struct hal_tlv_hdr *)desc; + tlv->tl = FIELD_PREP(HAL_TLV_HDR_TAG, HAL_TCL_DATA_CMD) | + FIELD_PREP(HAL_TLV_HDR_LEN, + sizeof(struct hal_tcl_data_cmd)); + desc += entry_size; + } +} |