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// 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;
}
}
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