diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/hal_tx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/hal_tx.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/hal_tx.c b/drivers/net/wireless/ath/ath12k/hal_tx.c new file mode 100644 index 000000000000..869e07e406fe --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/hal_tx.c @@ -0,0 +1,145 @@ +// 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 "hal_desc.h" +#include "hal.h" +#include "hal_tx.h" +#include "hif.h" + +#define DSCP_TID_MAP_TBL_ENTRY_SIZE 64 + +/* dscp_tid_map - Default DSCP-TID mapping + *================= + * DSCP TID + *================= + * 000xxx 0 + * 001xxx 1 + * 010xxx 2 + * 011xxx 3 + * 100xxx 4 + * 101xxx 5 + * 110xxx 6 + * 111xxx 7 + */ +static inline u8 dscp2tid(u8 dscp) +{ + return dscp >> 3; +} + +void ath12k_hal_tx_cmd_desc_setup(struct ath12k_base *ab, + struct hal_tcl_data_cmd *tcl_cmd, + struct hal_tx_info *ti) +{ + tcl_cmd->buf_addr_info.info0 = + le32_encode_bits(ti->paddr, BUFFER_ADDR_INFO0_ADDR); + tcl_cmd->buf_addr_info.info1 = + le32_encode_bits(((uint64_t)ti->paddr >> HAL_ADDR_MSB_REG_SHIFT), + BUFFER_ADDR_INFO1_ADDR); + tcl_cmd->buf_addr_info.info1 |= + le32_encode_bits((ti->rbm_id), BUFFER_ADDR_INFO1_RET_BUF_MGR) | + le32_encode_bits(ti->desc_id, BUFFER_ADDR_INFO1_SW_COOKIE); + + tcl_cmd->info0 = + le32_encode_bits(ti->type, HAL_TCL_DATA_CMD_INFO0_DESC_TYPE) | + le32_encode_bits(ti->bank_id, HAL_TCL_DATA_CMD_INFO0_BANK_ID); + + tcl_cmd->info1 = + le32_encode_bits(ti->meta_data_flags, + HAL_TCL_DATA_CMD_INFO1_CMD_NUM); + + tcl_cmd->info2 = cpu_to_le32(ti->flags0) | + le32_encode_bits(ti->data_len, HAL_TCL_DATA_CMD_INFO2_DATA_LEN) | + le32_encode_bits(ti->pkt_offset, HAL_TCL_DATA_CMD_INFO2_PKT_OFFSET); + + tcl_cmd->info3 = cpu_to_le32(ti->flags1) | + le32_encode_bits(ti->tid, HAL_TCL_DATA_CMD_INFO3_TID) | + le32_encode_bits(ti->lmac_id, HAL_TCL_DATA_CMD_INFO3_PMAC_ID) | + le32_encode_bits(ti->vdev_id, HAL_TCL_DATA_CMD_INFO3_VDEV_ID); + + tcl_cmd->info4 = le32_encode_bits(ti->bss_ast_idx, + HAL_TCL_DATA_CMD_INFO4_SEARCH_INDEX) | + le32_encode_bits(ti->bss_ast_hash, + HAL_TCL_DATA_CMD_INFO4_CACHE_SET_NUM); + tcl_cmd->info5 = 0; +} + +void ath12k_hal_tx_set_dscp_tid_map(struct ath12k_base *ab, int id) +{ + u32 ctrl_reg_val; + u32 addr; + u8 hw_map_val[HAL_DSCP_TID_TBL_SIZE], dscp, tid; + int i; + u32 value; + + ctrl_reg_val = ath12k_hif_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; + ath12k_hif_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, dscp = 0; i < HAL_DSCP_TID_TBL_SIZE; i += 3) { + tid = dscp2tid(dscp); + value = u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP0); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP1); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP2); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP3); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP4); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP5); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP6); + dscp++; + + tid = dscp2tid(dscp); + value |= u32_encode_bits(tid, HAL_TCL1_RING_FIELD_DSCP_TID_MAP7); + dscp++; + + memcpy(&hw_map_val[i], &value, 3); + } + + for (i = 0; i < HAL_DSCP_TID_TBL_SIZE; i += 4) { + ath12k_hif_write32(ab, addr, *(u32 *)&hw_map_val[i]); + addr += 4; + } + + /* Disable read/write access */ + ctrl_reg_val = ath12k_hif_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; + ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG + + HAL_TCL1_RING_CMN_CTRL_REG, + ctrl_reg_val); +} + +void ath12k_hal_tx_configure_bank_register(struct ath12k_base *ab, u32 bank_config, + u8 bank_id) +{ + ath12k_hif_write32(ab, HAL_TCL_SW_CONFIG_BANK_ADDR + 4 * bank_id, + bank_config); +} |