1 /*
2 * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
3 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for
6 * any purpose with or without fee is hereby granted, provided that the
7 * above copyright notice and this permission notice appear in all
8 * copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19 #include "hal_hw_headers.h"
20 #include "hal_internal.h"
21 #include "cdp_txrx_mon_struct.h"
22 #include "qdf_trace.h"
23 #include "hal_rx.h"
24 #include "hal_tx.h"
25 #include "dp_types.h"
26 #include "hal_api_mon.h"
27
28 /**
29 * hal_tx_desc_set_dscp_tid_table_id_5018() - Sets DSCP to TID conversion
30 * table ID
31 * @desc: Handle to Tx Descriptor
32 * @id: DSCP to tid conversion table to be used for this frame
33 *
34 * Return: void
35 */
hal_tx_desc_set_dscp_tid_table_id_5018(void * desc,uint8_t id)36 static void hal_tx_desc_set_dscp_tid_table_id_5018(void *desc, uint8_t id)
37 {
38 HAL_SET_FLD(desc, TCL_DATA_CMD_5,
39 DSCP_TID_TABLE_NUM) |=
40 HAL_TX_SM(TCL_DATA_CMD_5, DSCP_TID_TABLE_NUM, id);
41 }
42
43 #define DSCP_TID_TABLE_SIZE 24
44 #define NUM_WORDS_PER_DSCP_TID_TABLE (DSCP_TID_TABLE_SIZE / 4)
45 #define HAL_TX_NUM_DSCP_REGISTER_SIZE 32
46
47 /**
48 * hal_tx_set_dscp_tid_map_5018() - Configure default DSCP to TID map table
49 * @soc: HAL SoC context
50 * @map: DSCP-TID mapping table
51 * @id: mapping table ID - 0,1
52 *
53 * DSCP are mapped to 8 TID values using TID values programmed
54 * in two set of mapping registers DSCP_TID1_MAP_<0 to 6> (id = 0)
55 * and DSCP_TID2_MAP_<0 to 6> (id = 1)
56 * Each mapping register has TID mapping for 10 DSCP values
57 *
58 * Return: none
59 */
hal_tx_set_dscp_tid_map_5018(struct hal_soc * soc,uint8_t * map,uint8_t id)60 static void hal_tx_set_dscp_tid_map_5018(struct hal_soc *soc,
61 uint8_t *map, uint8_t id)
62 {
63 int i;
64 uint32_t addr, cmn_reg_addr;
65 uint32_t value = 0, regval;
66 uint8_t val[DSCP_TID_TABLE_SIZE], cnt = 0;
67
68 if (id >= HAL_MAX_HW_DSCP_TID_MAPS_11AX)
69 return;
70
71 cmn_reg_addr = HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_ADDR(
72 SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET);
73
74 addr = HWIO_TCL_R0_DSCP_TID_MAP_n_ADDR(
75 SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET,
76 id * NUM_WORDS_PER_DSCP_TID_TABLE);
77
78 /* Enable read/write access */
79 regval = HAL_REG_READ(soc, cmn_reg_addr);
80 regval |=
81 (1 << HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_DSCP_TID_MAP_PROGRAM_EN_SHFT);
82
83 HAL_REG_WRITE(soc, cmn_reg_addr, regval);
84
85 /* Write 8 (24 bits) DSCP-TID mappings in each iteration */
86 for (i = 0; i < 64; i += 8) {
87 value = (map[i] |
88 (map[i + 1] << 0x3) |
89 (map[i + 2] << 0x6) |
90 (map[i + 3] << 0x9) |
91 (map[i + 4] << 0xc) |
92 (map[i + 5] << 0xf) |
93 (map[i + 6] << 0x12) |
94 (map[i + 7] << 0x15));
95
96 qdf_mem_copy(&val[cnt], &value, 3);
97 cnt += 3;
98 }
99
100 for (i = 0; i < DSCP_TID_TABLE_SIZE; i += 4) {
101 regval = *(uint32_t *)(val + i);
102 HAL_REG_WRITE(soc, addr,
103 (regval & HWIO_TCL_R0_DSCP_TID_MAP_n_RMSK));
104 addr += 4;
105 }
106
107 /* Disable read/write access */
108 regval = HAL_REG_READ(soc, cmn_reg_addr);
109 regval &=
110 ~(HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_DSCP_TID_MAP_PROGRAM_EN_BMSK);
111
112 HAL_REG_WRITE(soc, cmn_reg_addr, regval);
113 }
114
115 /**
116 * hal_tx_update_dscp_tid_5018() - Update the dscp tid map table as
117 * updated by user
118 * @soc: HAL SoC context
119 * @tid: TID
120 * @id : MAP ID
121 * @dscp: DSCP_TID map index
122 *
123 * Return: void
124 */
hal_tx_update_dscp_tid_5018(struct hal_soc * soc,uint8_t tid,uint8_t id,uint8_t dscp)125 static void hal_tx_update_dscp_tid_5018(struct hal_soc *soc, uint8_t tid,
126 uint8_t id, uint8_t dscp)
127 {
128 uint32_t addr, addr1, cmn_reg_addr;
129 uint32_t start_value = 0, end_value = 0;
130 uint32_t regval;
131 uint8_t end_bits = 0;
132 uint8_t start_bits = 0;
133 uint32_t start_index, end_index;
134
135 cmn_reg_addr = HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_ADDR(
136 SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET);
137
138 addr = HWIO_TCL_R0_DSCP_TID_MAP_n_ADDR(
139 SEQ_WCSS_UMAC_MAC_TCL_REG_OFFSET,
140 id * NUM_WORDS_PER_DSCP_TID_TABLE);
141
142 start_index = dscp * HAL_TX_BITS_PER_TID;
143 end_index = (start_index + (HAL_TX_BITS_PER_TID - 1))
144 % HAL_TX_NUM_DSCP_REGISTER_SIZE;
145 start_index = start_index % HAL_TX_NUM_DSCP_REGISTER_SIZE;
146 addr += (4 * ((dscp * HAL_TX_BITS_PER_TID) /
147 HAL_TX_NUM_DSCP_REGISTER_SIZE));
148
149 if (end_index < start_index) {
150 end_bits = end_index + 1;
151 start_bits = HAL_TX_BITS_PER_TID - end_bits;
152 start_value = tid << start_index;
153 end_value = tid >> start_bits;
154 addr1 = addr + 4;
155 } else {
156 start_bits = HAL_TX_BITS_PER_TID - end_bits;
157 start_value = tid << start_index;
158 addr1 = 0;
159 }
160
161 /* Enable read/write access */
162 regval = HAL_REG_READ(soc, cmn_reg_addr);
163 regval |=
164 (1 << HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_DSCP_TID_MAP_PROGRAM_EN_SHFT);
165
166 HAL_REG_WRITE(soc, cmn_reg_addr, regval);
167
168 regval = HAL_REG_READ(soc, addr);
169
170 if (end_index < start_index)
171 regval &= (~0) >> start_bits;
172 else
173 regval &= ~(7 << start_index);
174
175 regval |= start_value;
176
177 HAL_REG_WRITE(soc, addr, (regval & HWIO_TCL_R0_DSCP_TID_MAP_n_RMSK));
178
179 if (addr1) {
180 regval = HAL_REG_READ(soc, addr1);
181 regval &= (~0) << end_bits;
182 regval |= end_value;
183
184 HAL_REG_WRITE(soc, addr1, (regval &
185 HWIO_TCL_R0_DSCP_TID_MAP_n_RMSK));
186 }
187
188 /* Disable read/write access */
189 regval = HAL_REG_READ(soc, cmn_reg_addr);
190 regval &=
191 ~(HWIO_TCL_R0_CONS_RING_CMN_CTRL_REG_DSCP_TID_MAP_PROGRAM_EN_BMSK);
192 HAL_REG_WRITE(soc, cmn_reg_addr, regval);
193 }
194
195 /**
196 * hal_tx_desc_set_lmac_id_5018() - Set the lmac_id value
197 * @desc: Handle to Tx Descriptor
198 * @lmac_id: mac Id to ast matching
199 * b00 – mac 0
200 * b01 – mac 1
201 * b10 – mac 2
202 * b11 – all macs (legacy HK way)
203 *
204 * Return: void
205 */
hal_tx_desc_set_lmac_id_5018(void * desc,uint8_t lmac_id)206 static void hal_tx_desc_set_lmac_id_5018(void *desc, uint8_t lmac_id)
207 {
208 HAL_SET_FLD(desc, TCL_DATA_CMD_4, LMAC_ID) |=
209 HAL_TX_SM(TCL_DATA_CMD_4, LMAC_ID, lmac_id);
210 }
211
212 /**
213 * hal_tx_init_cmd_credit_ring_5018() - Initialize TCL command/credit SRNG
214 * @hal_soc_hdl: Handle to HAL SoC structure
215 * @hal_ring_hdl: Handle to HAL SRNG structure
216 *
217 * Return: none
218 */
hal_tx_init_cmd_credit_ring_5018(hal_soc_handle_t hal_soc_hdl,hal_ring_handle_t hal_ring_hdl)219 static inline void hal_tx_init_cmd_credit_ring_5018(hal_soc_handle_t hal_soc_hdl,
220 hal_ring_handle_t hal_ring_hdl)
221 {
222 uint8_t *desc_addr;
223 struct hal_srng_params srng_params;
224 uint32_t desc_size;
225 uint32_t num_desc;
226
227 hal_get_srng_params(hal_soc_hdl, hal_ring_hdl, &srng_params);
228
229 desc_addr = (uint8_t *)srng_params.ring_base_vaddr;
230 desc_size = sizeof(struct tcl_data_cmd);
231 num_desc = srng_params.num_entries;
232
233 while (num_desc) {
234 /* using CMD/CREDIT Ring to send DATA CMD tag */
235 HAL_TX_DESC_SET_TLV_HDR(desc_addr, WIFITCL_DATA_CMD_E,
236 desc_size);
237 desc_addr += (desc_size + sizeof(struct tlv_32_hdr));
238 num_desc--;
239 }
240 }
241