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1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3  * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved.
5  */
6 #include <linux/dma-mapping.h>
7 #include "hal_tx.h"
8 #include "hal_rx.h"
9 #include "debug.h"
10 #include "hal_desc.h"
11 #include "hif.h"
12 
13 static const struct hal_srng_config hw_srng_config_template[] = {
14 	/* TODO: max_rings can populated by querying HW capabilities */
15 	[HAL_REO_DST] = {
16 		.start_ring_id = HAL_SRNG_RING_ID_REO2SW1,
17 		.max_rings = 8,
18 		.entry_size = sizeof(struct hal_reo_dest_ring) >> 2,
19 		.mac_type = ATH12K_HAL_SRNG_UMAC,
20 		.ring_dir = HAL_SRNG_DIR_DST,
21 		.max_size = HAL_REO_REO2SW1_RING_BASE_MSB_RING_SIZE,
22 	},
23 	[HAL_REO_EXCEPTION] = {
24 		/* Designating REO2SW0 ring as exception ring.
25 		 * Any of theREO2SW rings can be used as exception ring.
26 		 */
27 		.start_ring_id = HAL_SRNG_RING_ID_REO2SW0,
28 		.max_rings = 1,
29 		.entry_size = sizeof(struct hal_reo_dest_ring) >> 2,
30 		.mac_type = ATH12K_HAL_SRNG_UMAC,
31 		.ring_dir = HAL_SRNG_DIR_DST,
32 		.max_size = HAL_REO_REO2SW0_RING_BASE_MSB_RING_SIZE,
33 	},
34 	[HAL_REO_REINJECT] = {
35 		.start_ring_id = HAL_SRNG_RING_ID_SW2REO,
36 		.max_rings = 4,
37 		.entry_size = sizeof(struct hal_reo_entrance_ring) >> 2,
38 		.mac_type = ATH12K_HAL_SRNG_UMAC,
39 		.ring_dir = HAL_SRNG_DIR_SRC,
40 		.max_size = HAL_REO_SW2REO_RING_BASE_MSB_RING_SIZE,
41 	},
42 	[HAL_REO_CMD] = {
43 		.start_ring_id = HAL_SRNG_RING_ID_REO_CMD,
44 		.max_rings = 1,
45 		.entry_size = (sizeof(struct hal_tlv_64_hdr) +
46 			sizeof(struct hal_reo_get_queue_stats)) >> 2,
47 		.mac_type = ATH12K_HAL_SRNG_UMAC,
48 		.ring_dir = HAL_SRNG_DIR_SRC,
49 		.max_size = HAL_REO_CMD_RING_BASE_MSB_RING_SIZE,
50 	},
51 	[HAL_REO_STATUS] = {
52 		.start_ring_id = HAL_SRNG_RING_ID_REO_STATUS,
53 		.max_rings = 1,
54 		.entry_size = (sizeof(struct hal_tlv_64_hdr) +
55 			sizeof(struct hal_reo_get_queue_stats_status)) >> 2,
56 		.mac_type = ATH12K_HAL_SRNG_UMAC,
57 		.ring_dir = HAL_SRNG_DIR_DST,
58 		.max_size = HAL_REO_STATUS_RING_BASE_MSB_RING_SIZE,
59 	},
60 	[HAL_TCL_DATA] = {
61 		.start_ring_id = HAL_SRNG_RING_ID_SW2TCL1,
62 		.max_rings = 6,
63 		.entry_size = sizeof(struct hal_tcl_data_cmd) >> 2,
64 		.mac_type = ATH12K_HAL_SRNG_UMAC,
65 		.ring_dir = HAL_SRNG_DIR_SRC,
66 		.max_size = HAL_SW2TCL1_RING_BASE_MSB_RING_SIZE,
67 	},
68 	[HAL_TCL_CMD] = {
69 		.start_ring_id = HAL_SRNG_RING_ID_SW2TCL_CMD,
70 		.max_rings = 1,
71 		.entry_size = sizeof(struct hal_tcl_gse_cmd) >> 2,
72 		.mac_type = ATH12K_HAL_SRNG_UMAC,
73 		.ring_dir = HAL_SRNG_DIR_SRC,
74 		.max_size = HAL_SW2TCL1_CMD_RING_BASE_MSB_RING_SIZE,
75 	},
76 	[HAL_TCL_STATUS] = {
77 		.start_ring_id = HAL_SRNG_RING_ID_TCL_STATUS,
78 		.max_rings = 1,
79 		.entry_size = (sizeof(struct hal_tlv_hdr) +
80 			     sizeof(struct hal_tcl_status_ring)) >> 2,
81 		.mac_type = ATH12K_HAL_SRNG_UMAC,
82 		.ring_dir = HAL_SRNG_DIR_DST,
83 		.max_size = HAL_TCL_STATUS_RING_BASE_MSB_RING_SIZE,
84 	},
85 	[HAL_CE_SRC] = {
86 		.start_ring_id = HAL_SRNG_RING_ID_CE0_SRC,
87 		.max_rings = 16,
88 		.entry_size = sizeof(struct hal_ce_srng_src_desc) >> 2,
89 		.mac_type = ATH12K_HAL_SRNG_UMAC,
90 		.ring_dir = HAL_SRNG_DIR_SRC,
91 		.max_size = HAL_CE_SRC_RING_BASE_MSB_RING_SIZE,
92 	},
93 	[HAL_CE_DST] = {
94 		.start_ring_id = HAL_SRNG_RING_ID_CE0_DST,
95 		.max_rings = 16,
96 		.entry_size = sizeof(struct hal_ce_srng_dest_desc) >> 2,
97 		.mac_type = ATH12K_HAL_SRNG_UMAC,
98 		.ring_dir = HAL_SRNG_DIR_SRC,
99 		.max_size = HAL_CE_DST_RING_BASE_MSB_RING_SIZE,
100 	},
101 	[HAL_CE_DST_STATUS] = {
102 		.start_ring_id = HAL_SRNG_RING_ID_CE0_DST_STATUS,
103 		.max_rings = 16,
104 		.entry_size = sizeof(struct hal_ce_srng_dst_status_desc) >> 2,
105 		.mac_type = ATH12K_HAL_SRNG_UMAC,
106 		.ring_dir = HAL_SRNG_DIR_DST,
107 		.max_size = HAL_CE_DST_STATUS_RING_BASE_MSB_RING_SIZE,
108 	},
109 	[HAL_WBM_IDLE_LINK] = {
110 		.start_ring_id = HAL_SRNG_RING_ID_WBM_IDLE_LINK,
111 		.max_rings = 1,
112 		.entry_size = sizeof(struct hal_wbm_link_desc) >> 2,
113 		.mac_type = ATH12K_HAL_SRNG_UMAC,
114 		.ring_dir = HAL_SRNG_DIR_SRC,
115 		.max_size = HAL_WBM_IDLE_LINK_RING_BASE_MSB_RING_SIZE,
116 	},
117 	[HAL_SW2WBM_RELEASE] = {
118 		.start_ring_id = HAL_SRNG_RING_ID_WBM_SW0_RELEASE,
119 		.max_rings = 2,
120 		.entry_size = sizeof(struct hal_wbm_release_ring) >> 2,
121 		.mac_type = ATH12K_HAL_SRNG_UMAC,
122 		.ring_dir = HAL_SRNG_DIR_SRC,
123 		.max_size = HAL_SW2WBM_RELEASE_RING_BASE_MSB_RING_SIZE,
124 	},
125 	[HAL_WBM2SW_RELEASE] = {
126 		.start_ring_id = HAL_SRNG_RING_ID_WBM2SW0_RELEASE,
127 		.max_rings = 8,
128 		.entry_size = sizeof(struct hal_wbm_release_ring) >> 2,
129 		.mac_type = ATH12K_HAL_SRNG_UMAC,
130 		.ring_dir = HAL_SRNG_DIR_DST,
131 		.max_size = HAL_WBM2SW_RELEASE_RING_BASE_MSB_RING_SIZE,
132 	},
133 	[HAL_RXDMA_BUF] = {
134 		.start_ring_id = HAL_SRNG_SW2RXDMA_BUF0,
135 		.max_rings = 1,
136 		.entry_size = sizeof(struct hal_wbm_buffer_ring) >> 2,
137 		.mac_type = ATH12K_HAL_SRNG_DMAC,
138 		.ring_dir = HAL_SRNG_DIR_SRC,
139 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
140 	},
141 	[HAL_RXDMA_DST] = {
142 		.start_ring_id = HAL_SRNG_RING_ID_WMAC1_RXDMA2SW0,
143 		.max_rings = 0,
144 		.entry_size = 0,
145 		.mac_type = ATH12K_HAL_SRNG_PMAC,
146 		.ring_dir = HAL_SRNG_DIR_DST,
147 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
148 	},
149 	[HAL_RXDMA_MONITOR_BUF] = {
150 		.start_ring_id = HAL_SRNG_SW2RXMON_BUF0,
151 		.max_rings = 1,
152 		.entry_size = sizeof(struct hal_mon_buf_ring) >> 2,
153 		.mac_type = ATH12K_HAL_SRNG_PMAC,
154 		.ring_dir = HAL_SRNG_DIR_SRC,
155 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
156 	},
157 	[HAL_RXDMA_MONITOR_STATUS] = { 0, },
158 	[HAL_RXDMA_MONITOR_DESC] = { 0, },
159 	[HAL_RXDMA_DIR_BUF] = {
160 		.start_ring_id = HAL_SRNG_RING_ID_RXDMA_DIR_BUF,
161 		.max_rings = 2,
162 		.entry_size = 8 >> 2, /* TODO: Define the struct */
163 		.mac_type = ATH12K_HAL_SRNG_PMAC,
164 		.ring_dir = HAL_SRNG_DIR_SRC,
165 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
166 	},
167 	[HAL_PPE2TCL] = {
168 		.start_ring_id = HAL_SRNG_RING_ID_PPE2TCL1,
169 		.max_rings = 1,
170 		.entry_size = sizeof(struct hal_tcl_entrance_from_ppe_ring) >> 2,
171 		.mac_type = ATH12K_HAL_SRNG_PMAC,
172 		.ring_dir = HAL_SRNG_DIR_SRC,
173 		.max_size = HAL_SW2TCL1_RING_BASE_MSB_RING_SIZE,
174 	},
175 	[HAL_PPE_RELEASE] = {
176 		.start_ring_id = HAL_SRNG_RING_ID_WBM_PPE_RELEASE,
177 		.max_rings = 1,
178 		.entry_size = sizeof(struct hal_wbm_release_ring) >> 2,
179 		.mac_type = ATH12K_HAL_SRNG_PMAC,
180 		.ring_dir = HAL_SRNG_DIR_SRC,
181 		.max_size = HAL_WBM2PPE_RELEASE_RING_BASE_MSB_RING_SIZE,
182 	},
183 	[HAL_TX_MONITOR_BUF] = {
184 		.start_ring_id = HAL_SRNG_SW2TXMON_BUF0,
185 		.max_rings = 1,
186 		.entry_size = sizeof(struct hal_mon_buf_ring) >> 2,
187 		.mac_type = ATH12K_HAL_SRNG_PMAC,
188 		.ring_dir = HAL_SRNG_DIR_SRC,
189 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
190 	},
191 	[HAL_RXDMA_MONITOR_DST] = {
192 		.start_ring_id = HAL_SRNG_RING_ID_WMAC1_SW2RXMON_BUF0,
193 		.max_rings = 1,
194 		.entry_size = sizeof(struct hal_mon_dest_desc) >> 2,
195 		.mac_type = ATH12K_HAL_SRNG_PMAC,
196 		.ring_dir = HAL_SRNG_DIR_DST,
197 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
198 	},
199 	[HAL_TX_MONITOR_DST] = {
200 		.start_ring_id = HAL_SRNG_RING_ID_WMAC1_TXMON2SW0_BUF0,
201 		.max_rings = 1,
202 		.entry_size = sizeof(struct hal_mon_dest_desc) >> 2,
203 		.mac_type = ATH12K_HAL_SRNG_PMAC,
204 		.ring_dir = HAL_SRNG_DIR_DST,
205 		.max_size = HAL_RXDMA_RING_MAX_SIZE_BE,
206 	}
207 };
208 
209 static const struct ath12k_hal_tcl_to_wbm_rbm_map
210 ath12k_hal_qcn9274_tcl_to_wbm_rbm_map[DP_TCL_NUM_RING_MAX] = {
211 	{
212 		.wbm_ring_num = 0,
213 		.rbm_id = HAL_RX_BUF_RBM_SW0_BM,
214 	},
215 	{
216 		.wbm_ring_num = 1,
217 		.rbm_id = HAL_RX_BUF_RBM_SW1_BM,
218 	},
219 	{
220 		.wbm_ring_num = 2,
221 		.rbm_id = HAL_RX_BUF_RBM_SW2_BM,
222 	},
223 	{
224 		.wbm_ring_num = 4,
225 		.rbm_id = HAL_RX_BUF_RBM_SW4_BM,
226 	}
227 };
228 
229 static const struct ath12k_hal_tcl_to_wbm_rbm_map
230 ath12k_hal_wcn7850_tcl_to_wbm_rbm_map[DP_TCL_NUM_RING_MAX] = {
231 	{
232 		.wbm_ring_num = 0,
233 		.rbm_id = HAL_RX_BUF_RBM_SW0_BM,
234 	},
235 	{
236 		.wbm_ring_num = 2,
237 		.rbm_id = HAL_RX_BUF_RBM_SW2_BM,
238 	},
239 	{
240 		.wbm_ring_num = 4,
241 		.rbm_id = HAL_RX_BUF_RBM_SW4_BM,
242 	},
243 };
244 
ath12k_hal_reo1_ring_id_offset(struct ath12k_base * ab)245 static unsigned int ath12k_hal_reo1_ring_id_offset(struct ath12k_base *ab)
246 {
247 	return HAL_REO1_RING_ID(ab) - HAL_REO1_RING_BASE_LSB(ab);
248 }
249 
ath12k_hal_reo1_ring_msi1_base_lsb_offset(struct ath12k_base * ab)250 static unsigned int ath12k_hal_reo1_ring_msi1_base_lsb_offset(struct ath12k_base *ab)
251 {
252 	return HAL_REO1_RING_MSI1_BASE_LSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
253 }
254 
ath12k_hal_reo1_ring_msi1_base_msb_offset(struct ath12k_base * ab)255 static unsigned int ath12k_hal_reo1_ring_msi1_base_msb_offset(struct ath12k_base *ab)
256 {
257 	return HAL_REO1_RING_MSI1_BASE_MSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
258 }
259 
ath12k_hal_reo1_ring_msi1_data_offset(struct ath12k_base * ab)260 static unsigned int ath12k_hal_reo1_ring_msi1_data_offset(struct ath12k_base *ab)
261 {
262 	return HAL_REO1_RING_MSI1_DATA(ab) - HAL_REO1_RING_BASE_LSB(ab);
263 }
264 
ath12k_hal_reo1_ring_base_msb_offset(struct ath12k_base * ab)265 static unsigned int ath12k_hal_reo1_ring_base_msb_offset(struct ath12k_base *ab)
266 {
267 	return HAL_REO1_RING_BASE_MSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
268 }
269 
ath12k_hal_reo1_ring_producer_int_setup_offset(struct ath12k_base * ab)270 static unsigned int ath12k_hal_reo1_ring_producer_int_setup_offset(struct ath12k_base *ab)
271 {
272 	return HAL_REO1_RING_PRODUCER_INT_SETUP(ab) - HAL_REO1_RING_BASE_LSB(ab);
273 }
274 
ath12k_hal_reo1_ring_hp_addr_lsb_offset(struct ath12k_base * ab)275 static unsigned int ath12k_hal_reo1_ring_hp_addr_lsb_offset(struct ath12k_base *ab)
276 {
277 	return HAL_REO1_RING_HP_ADDR_LSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
278 }
279 
ath12k_hal_reo1_ring_hp_addr_msb_offset(struct ath12k_base * ab)280 static unsigned int ath12k_hal_reo1_ring_hp_addr_msb_offset(struct ath12k_base *ab)
281 {
282 	return HAL_REO1_RING_HP_ADDR_MSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
283 }
284 
ath12k_hal_reo1_ring_misc_offset(struct ath12k_base * ab)285 static unsigned int ath12k_hal_reo1_ring_misc_offset(struct ath12k_base *ab)
286 {
287 	return HAL_REO1_RING_MISC(ab) - HAL_REO1_RING_BASE_LSB(ab);
288 }
289 
ath12k_hw_qcn9274_rx_desc_get_first_msdu(struct hal_rx_desc * desc)290 static bool ath12k_hw_qcn9274_rx_desc_get_first_msdu(struct hal_rx_desc *desc)
291 {
292 	return !!le16_get_bits(desc->u.qcn9274.msdu_end.info5,
293 			       RX_MSDU_END_INFO5_FIRST_MSDU);
294 }
295 
ath12k_hw_qcn9274_rx_desc_get_last_msdu(struct hal_rx_desc * desc)296 static bool ath12k_hw_qcn9274_rx_desc_get_last_msdu(struct hal_rx_desc *desc)
297 {
298 	return !!le16_get_bits(desc->u.qcn9274.msdu_end.info5,
299 			       RX_MSDU_END_INFO5_LAST_MSDU);
300 }
301 
ath12k_hw_qcn9274_rx_desc_get_l3_pad_bytes(struct hal_rx_desc * desc)302 static u8 ath12k_hw_qcn9274_rx_desc_get_l3_pad_bytes(struct hal_rx_desc *desc)
303 {
304 	return le16_get_bits(desc->u.qcn9274.msdu_end.info5,
305 			     RX_MSDU_END_INFO5_L3_HDR_PADDING);
306 }
307 
ath12k_hw_qcn9274_rx_desc_encrypt_valid(struct hal_rx_desc * desc)308 static bool ath12k_hw_qcn9274_rx_desc_encrypt_valid(struct hal_rx_desc *desc)
309 {
310 	return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4,
311 			       RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID);
312 }
313 
ath12k_hw_qcn9274_rx_desc_get_encrypt_type(struct hal_rx_desc * desc)314 static u32 ath12k_hw_qcn9274_rx_desc_get_encrypt_type(struct hal_rx_desc *desc)
315 {
316 	return le32_get_bits(desc->u.qcn9274.mpdu_start.info2,
317 			     RX_MPDU_START_INFO2_ENC_TYPE);
318 }
319 
ath12k_hw_qcn9274_rx_desc_get_decap_type(struct hal_rx_desc * desc)320 static u8 ath12k_hw_qcn9274_rx_desc_get_decap_type(struct hal_rx_desc *desc)
321 {
322 	return le32_get_bits(desc->u.qcn9274.msdu_end.info11,
323 			     RX_MSDU_END_INFO11_DECAP_FORMAT);
324 }
325 
ath12k_hw_qcn9274_rx_desc_get_mesh_ctl(struct hal_rx_desc * desc)326 static u8 ath12k_hw_qcn9274_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc)
327 {
328 	return le32_get_bits(desc->u.qcn9274.msdu_end.info11,
329 			     RX_MSDU_END_INFO11_MESH_CTRL_PRESENT);
330 }
331 
ath12k_hw_qcn9274_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc * desc)332 static bool ath12k_hw_qcn9274_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc)
333 {
334 	return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4,
335 			       RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID);
336 }
337 
ath12k_hw_qcn9274_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc * desc)338 static bool ath12k_hw_qcn9274_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc *desc)
339 {
340 	return !!le32_get_bits(desc->u.qcn9274.mpdu_start.info4,
341 			       RX_MPDU_START_INFO4_MPDU_FCTRL_VALID);
342 }
343 
ath12k_hw_qcn9274_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc * desc)344 static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc *desc)
345 {
346 	return le32_get_bits(desc->u.qcn9274.mpdu_start.info4,
347 			     RX_MPDU_START_INFO4_MPDU_SEQ_NUM);
348 }
349 
ath12k_hw_qcn9274_rx_desc_get_msdu_len(struct hal_rx_desc * desc)350 static u16 ath12k_hw_qcn9274_rx_desc_get_msdu_len(struct hal_rx_desc *desc)
351 {
352 	return le32_get_bits(desc->u.qcn9274.msdu_end.info10,
353 			     RX_MSDU_END_INFO10_MSDU_LENGTH);
354 }
355 
ath12k_hw_qcn9274_rx_desc_get_msdu_sgi(struct hal_rx_desc * desc)356 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_sgi(struct hal_rx_desc *desc)
357 {
358 	return le32_get_bits(desc->u.qcn9274.msdu_end.info12,
359 			     RX_MSDU_END_INFO12_SGI);
360 }
361 
ath12k_hw_qcn9274_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc * desc)362 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc *desc)
363 {
364 	return le32_get_bits(desc->u.qcn9274.msdu_end.info12,
365 			     RX_MSDU_END_INFO12_RATE_MCS);
366 }
367 
ath12k_hw_qcn9274_rx_desc_get_msdu_rx_bw(struct hal_rx_desc * desc)368 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_rx_bw(struct hal_rx_desc *desc)
369 {
370 	return le32_get_bits(desc->u.qcn9274.msdu_end.info12,
371 			     RX_MSDU_END_INFO12_RECV_BW);
372 }
373 
ath12k_hw_qcn9274_rx_desc_get_msdu_freq(struct hal_rx_desc * desc)374 static u32 ath12k_hw_qcn9274_rx_desc_get_msdu_freq(struct hal_rx_desc *desc)
375 {
376 	return __le32_to_cpu(desc->u.qcn9274.msdu_end.phy_meta_data);
377 }
378 
ath12k_hw_qcn9274_rx_desc_get_msdu_pkt_type(struct hal_rx_desc * desc)379 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_pkt_type(struct hal_rx_desc *desc)
380 {
381 	return le32_get_bits(desc->u.qcn9274.msdu_end.info12,
382 			     RX_MSDU_END_INFO12_PKT_TYPE);
383 }
384 
ath12k_hw_qcn9274_rx_desc_get_msdu_nss(struct hal_rx_desc * desc)385 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_nss(struct hal_rx_desc *desc)
386 {
387 	return le32_get_bits(desc->u.qcn9274.msdu_end.info12,
388 			     RX_MSDU_END_QCN9274_INFO12_MIMO_SS_BITMAP);
389 }
390 
ath12k_hw_qcn9274_rx_desc_get_mpdu_tid(struct hal_rx_desc * desc)391 static u8 ath12k_hw_qcn9274_rx_desc_get_mpdu_tid(struct hal_rx_desc *desc)
392 {
393 	return le16_get_bits(desc->u.qcn9274.msdu_end.info5,
394 			    RX_MSDU_END_QCN9274_INFO5_TID);
395 }
396 
ath12k_hw_qcn9274_rx_desc_get_mpdu_peer_id(struct hal_rx_desc * desc)397 static u16 ath12k_hw_qcn9274_rx_desc_get_mpdu_peer_id(struct hal_rx_desc *desc)
398 {
399 	return __le16_to_cpu(desc->u.qcn9274.mpdu_start.sw_peer_id);
400 }
401 
ath12k_hw_qcn9274_rx_desc_copy_end_tlv(struct hal_rx_desc * fdesc,struct hal_rx_desc * ldesc)402 static void ath12k_hw_qcn9274_rx_desc_copy_end_tlv(struct hal_rx_desc *fdesc,
403 						   struct hal_rx_desc *ldesc)
404 {
405 	memcpy(&fdesc->u.qcn9274.msdu_end, &ldesc->u.qcn9274.msdu_end,
406 	       sizeof(struct rx_msdu_end_qcn9274));
407 }
408 
ath12k_hw_qcn9274_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc * desc)409 static u32 ath12k_hw_qcn9274_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc *desc)
410 {
411 	return __le16_to_cpu(desc->u.qcn9274.mpdu_start.phy_ppdu_id);
412 }
413 
ath12k_hw_qcn9274_rx_desc_set_msdu_len(struct hal_rx_desc * desc,u16 len)414 static void ath12k_hw_qcn9274_rx_desc_set_msdu_len(struct hal_rx_desc *desc, u16 len)
415 {
416 	u32 info = __le32_to_cpu(desc->u.qcn9274.msdu_end.info10);
417 
418 	info &= ~RX_MSDU_END_INFO10_MSDU_LENGTH;
419 	info |= u32_encode_bits(len, RX_MSDU_END_INFO10_MSDU_LENGTH);
420 
421 	desc->u.qcn9274.msdu_end.info10 = __cpu_to_le32(info);
422 }
423 
ath12k_hw_qcn9274_rx_desc_get_msdu_payload(struct hal_rx_desc * desc)424 static u8 *ath12k_hw_qcn9274_rx_desc_get_msdu_payload(struct hal_rx_desc *desc)
425 {
426 	return &desc->u.qcn9274.msdu_payload[0];
427 }
428 
ath12k_hw_qcn9274_rx_desc_get_mpdu_start_offset(void)429 static u32 ath12k_hw_qcn9274_rx_desc_get_mpdu_start_offset(void)
430 {
431 	return offsetof(struct hal_rx_desc_qcn9274, mpdu_start);
432 }
433 
ath12k_hw_qcn9274_rx_desc_get_msdu_end_offset(void)434 static u32 ath12k_hw_qcn9274_rx_desc_get_msdu_end_offset(void)
435 {
436 	return offsetof(struct hal_rx_desc_qcn9274, msdu_end);
437 }
438 
ath12k_hw_qcn9274_rx_desc_mac_addr2_valid(struct hal_rx_desc * desc)439 static bool ath12k_hw_qcn9274_rx_desc_mac_addr2_valid(struct hal_rx_desc *desc)
440 {
441 	return __le32_to_cpu(desc->u.qcn9274.mpdu_start.info4) &
442 	       RX_MPDU_START_INFO4_MAC_ADDR2_VALID;
443 }
444 
ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2(struct hal_rx_desc * desc)445 static u8 *ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc)
446 {
447 	return desc->u.qcn9274.mpdu_start.addr2;
448 }
449 
ath12k_hw_qcn9274_rx_desc_is_da_mcbc(struct hal_rx_desc * desc)450 static bool ath12k_hw_qcn9274_rx_desc_is_da_mcbc(struct hal_rx_desc *desc)
451 {
452 	return __le16_to_cpu(desc->u.qcn9274.msdu_end.info5) &
453 	       RX_MSDU_END_INFO5_DA_IS_MCBC;
454 }
455 
ath12k_hw_qcn9274_rx_desc_get_dot11_hdr(struct hal_rx_desc * desc,struct ieee80211_hdr * hdr)456 static void ath12k_hw_qcn9274_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc,
457 						    struct ieee80211_hdr *hdr)
458 {
459 	hdr->frame_control = desc->u.qcn9274.mpdu_start.frame_ctrl;
460 	hdr->duration_id = desc->u.qcn9274.mpdu_start.duration;
461 	ether_addr_copy(hdr->addr1, desc->u.qcn9274.mpdu_start.addr1);
462 	ether_addr_copy(hdr->addr2, desc->u.qcn9274.mpdu_start.addr2);
463 	ether_addr_copy(hdr->addr3, desc->u.qcn9274.mpdu_start.addr3);
464 	if (__le32_to_cpu(desc->u.qcn9274.mpdu_start.info4) &
465 			RX_MPDU_START_INFO4_MAC_ADDR4_VALID) {
466 		ether_addr_copy(hdr->addr4, desc->u.qcn9274.mpdu_start.addr4);
467 	}
468 	hdr->seq_ctrl = desc->u.qcn9274.mpdu_start.seq_ctrl;
469 }
470 
ath12k_hw_qcn9274_rx_desc_get_crypto_hdr(struct hal_rx_desc * desc,u8 * crypto_hdr,enum hal_encrypt_type enctype)471 static void ath12k_hw_qcn9274_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc,
472 						     u8 *crypto_hdr,
473 						     enum hal_encrypt_type enctype)
474 {
475 	unsigned int key_id;
476 
477 	switch (enctype) {
478 	case HAL_ENCRYPT_TYPE_OPEN:
479 		return;
480 	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
481 	case HAL_ENCRYPT_TYPE_TKIP_MIC:
482 		crypto_hdr[0] =
483 			HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[0]);
484 		crypto_hdr[1] = 0;
485 		crypto_hdr[2] =
486 			HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[0]);
487 		break;
488 	case HAL_ENCRYPT_TYPE_CCMP_128:
489 	case HAL_ENCRYPT_TYPE_CCMP_256:
490 	case HAL_ENCRYPT_TYPE_GCMP_128:
491 	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
492 		crypto_hdr[0] =
493 			HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[0]);
494 		crypto_hdr[1] =
495 			HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[0]);
496 		crypto_hdr[2] = 0;
497 		break;
498 	case HAL_ENCRYPT_TYPE_WEP_40:
499 	case HAL_ENCRYPT_TYPE_WEP_104:
500 	case HAL_ENCRYPT_TYPE_WEP_128:
501 	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
502 	case HAL_ENCRYPT_TYPE_WAPI:
503 		return;
504 	}
505 	key_id = le32_get_bits(desc->u.qcn9274.mpdu_start.info5,
506 			       RX_MPDU_START_INFO5_KEY_ID);
507 	crypto_hdr[3] = 0x20 | (key_id << 6);
508 	crypto_hdr[4] = HAL_RX_MPDU_INFO_PN_GET_BYTE3(desc->u.qcn9274.mpdu_start.pn[0]);
509 	crypto_hdr[5] = HAL_RX_MPDU_INFO_PN_GET_BYTE4(desc->u.qcn9274.mpdu_start.pn[0]);
510 	crypto_hdr[6] = HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274.mpdu_start.pn[1]);
511 	crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274.mpdu_start.pn[1]);
512 }
513 
ath12k_hal_srng_create_config_qcn9274(struct ath12k_base * ab)514 static int ath12k_hal_srng_create_config_qcn9274(struct ath12k_base *ab)
515 {
516 	struct ath12k_hal *hal = &ab->hal;
517 	struct hal_srng_config *s;
518 
519 	hal->srng_config = kmemdup(hw_srng_config_template,
520 				   sizeof(hw_srng_config_template),
521 				   GFP_KERNEL);
522 	if (!hal->srng_config)
523 		return -ENOMEM;
524 
525 	s = &hal->srng_config[HAL_REO_DST];
526 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_BASE_LSB(ab);
527 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_HP;
528 	s->reg_size[0] = HAL_REO2_RING_BASE_LSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
529 	s->reg_size[1] = HAL_REO2_RING_HP - HAL_REO1_RING_HP;
530 
531 	s = &hal->srng_config[HAL_REO_EXCEPTION];
532 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_BASE_LSB(ab);
533 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_HP;
534 
535 	s = &hal->srng_config[HAL_REO_REINJECT];
536 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_BASE_LSB(ab);
537 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_HP;
538 	s->reg_size[0] = HAL_SW2REO1_RING_BASE_LSB(ab) - HAL_SW2REO_RING_BASE_LSB(ab);
539 	s->reg_size[1] = HAL_SW2REO1_RING_HP - HAL_SW2REO_RING_HP;
540 
541 	s = &hal->srng_config[HAL_REO_CMD];
542 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_RING_BASE_LSB(ab);
543 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_HP;
544 
545 	s = &hal->srng_config[HAL_REO_STATUS];
546 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_RING_BASE_LSB(ab);
547 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP;
548 
549 	s = &hal->srng_config[HAL_TCL_DATA];
550 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB(ab);
551 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP;
552 	s->reg_size[0] = HAL_TCL2_RING_BASE_LSB(ab) - HAL_TCL1_RING_BASE_LSB(ab);
553 	s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP;
554 
555 	s = &hal->srng_config[HAL_TCL_CMD];
556 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_BASE_LSB(ab);
557 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_HP;
558 
559 	s = &hal->srng_config[HAL_TCL_STATUS];
560 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_BASE_LSB(ab);
561 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP;
562 
563 	s = &hal->srng_config[HAL_CE_SRC];
564 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
565 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP;
566 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
567 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
568 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
569 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
570 
571 	s = &hal->srng_config[HAL_CE_DST];
572 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
573 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP;
574 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
575 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
576 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
577 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
578 
579 	s = &hal->srng_config[HAL_CE_DST_STATUS];
580 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) +
581 		HAL_CE_DST_STATUS_RING_BASE_LSB;
582 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP;
583 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
584 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
585 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
586 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
587 
588 	s = &hal->srng_config[HAL_WBM_IDLE_LINK];
589 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab);
590 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_HP;
591 
592 	s = &hal->srng_config[HAL_SW2WBM_RELEASE];
593 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG +
594 		HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab);
595 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_SW_RELEASE_RING_HP;
596 	s->reg_size[0] = HAL_WBM_SW1_RELEASE_RING_BASE_LSB(ab) -
597 			 HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab);
598 	s->reg_size[1] = HAL_WBM_SW1_RELEASE_RING_HP - HAL_WBM_SW_RELEASE_RING_HP;
599 
600 	s = &hal->srng_config[HAL_WBM2SW_RELEASE];
601 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_BASE_LSB(ab);
602 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_HP;
603 	s->reg_size[0] = HAL_WBM1_RELEASE_RING_BASE_LSB(ab) -
604 		HAL_WBM0_RELEASE_RING_BASE_LSB(ab);
605 	s->reg_size[1] = HAL_WBM1_RELEASE_RING_HP - HAL_WBM0_RELEASE_RING_HP;
606 
607 	/* Some LMAC rings are not accessed from the host:
608 	 * RXDMA_BUG, RXDMA_DST, RXDMA_MONITOR_BUF, RXDMA_MONITOR_STATUS,
609 	 * RXDMA_MONITOR_DST, RXDMA_MONITOR_DESC, RXDMA_DIR_BUF_SRC,
610 	 * RXDMA_RX_MONITOR_BUF, TX_MONITOR_BUF, TX_MONITOR_DST, SW2RXDMA
611 	 */
612 	s = &hal->srng_config[HAL_PPE2TCL];
613 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_PPE2TCL1_RING_BASE_LSB;
614 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_PPE2TCL1_RING_HP;
615 
616 	s = &hal->srng_config[HAL_PPE_RELEASE];
617 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG +
618 				HAL_WBM_PPE_RELEASE_RING_BASE_LSB(ab);
619 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_PPE_RELEASE_RING_HP;
620 
621 	return 0;
622 }
623 
ath12k_hal_qcn9274_rx_mpdu_start_wmask_get(void)624 static u16 ath12k_hal_qcn9274_rx_mpdu_start_wmask_get(void)
625 {
626 	return QCN9274_MPDU_START_WMASK;
627 }
628 
ath12k_hal_qcn9274_rx_msdu_end_wmask_get(void)629 static u32 ath12k_hal_qcn9274_rx_msdu_end_wmask_get(void)
630 {
631 	return QCN9274_MSDU_END_WMASK;
632 }
633 
ath12k_hal_qcn9274_get_hal_rx_compact_ops(void)634 static const struct hal_rx_ops *ath12k_hal_qcn9274_get_hal_rx_compact_ops(void)
635 {
636 	return &hal_rx_qcn9274_compact_ops;
637 }
638 
ath12k_hw_qcn9274_dp_rx_h_msdu_done(struct hal_rx_desc * desc)639 static bool ath12k_hw_qcn9274_dp_rx_h_msdu_done(struct hal_rx_desc *desc)
640 {
641 	return !!le32_get_bits(desc->u.qcn9274.msdu_end.info14,
642 			       RX_MSDU_END_INFO14_MSDU_DONE);
643 }
644 
ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail(struct hal_rx_desc * desc)645 static bool ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail(struct hal_rx_desc *desc)
646 {
647 	return !!le32_get_bits(desc->u.qcn9274.msdu_end.info13,
648 			       RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL);
649 }
650 
ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail(struct hal_rx_desc * desc)651 static bool ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail(struct hal_rx_desc *desc)
652 {
653 	return !!le32_get_bits(desc->u.qcn9274.msdu_end.info13,
654 			       RX_MSDU_END_INFO13_IP_CKSUM_FAIL);
655 }
656 
ath12k_hw_qcn9274_dp_rx_h_is_decrypted(struct hal_rx_desc * desc)657 static bool ath12k_hw_qcn9274_dp_rx_h_is_decrypted(struct hal_rx_desc *desc)
658 {
659 	return (le32_get_bits(desc->u.qcn9274.msdu_end.info14,
660 			      RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE) ==
661 			      RX_DESC_DECRYPT_STATUS_CODE_OK);
662 }
663 
ath12k_hw_qcn9274_dp_rx_h_mpdu_err(struct hal_rx_desc * desc)664 static u32 ath12k_hw_qcn9274_dp_rx_h_mpdu_err(struct hal_rx_desc *desc)
665 {
666 	u32 info = __le32_to_cpu(desc->u.qcn9274.msdu_end.info13);
667 	u32 errmap = 0;
668 
669 	if (info & RX_MSDU_END_INFO13_FCS_ERR)
670 		errmap |= HAL_RX_MPDU_ERR_FCS;
671 
672 	if (info & RX_MSDU_END_INFO13_DECRYPT_ERR)
673 		errmap |= HAL_RX_MPDU_ERR_DECRYPT;
674 
675 	if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR)
676 		errmap |= HAL_RX_MPDU_ERR_TKIP_MIC;
677 
678 	if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR)
679 		errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR;
680 
681 	if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR)
682 		errmap |= HAL_RX_MPDU_ERR_OVERFLOW;
683 
684 	if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR)
685 		errmap |= HAL_RX_MPDU_ERR_MSDU_LEN;
686 
687 	if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR)
688 		errmap |= HAL_RX_MPDU_ERR_MPDU_LEN;
689 
690 	return errmap;
691 }
692 
ath12k_hw_qcn9274_get_rx_desc_size(void)693 static u32 ath12k_hw_qcn9274_get_rx_desc_size(void)
694 {
695 	return sizeof(struct hal_rx_desc_qcn9274);
696 }
697 
ath12k_hw_qcn9274_rx_desc_get_msdu_src_link(struct hal_rx_desc * desc)698 static u8 ath12k_hw_qcn9274_rx_desc_get_msdu_src_link(struct hal_rx_desc *desc)
699 {
700 	return 0;
701 }
702 
703 const struct hal_rx_ops hal_rx_qcn9274_ops = {
704 	.rx_desc_get_first_msdu = ath12k_hw_qcn9274_rx_desc_get_first_msdu,
705 	.rx_desc_get_last_msdu = ath12k_hw_qcn9274_rx_desc_get_last_msdu,
706 	.rx_desc_get_l3_pad_bytes = ath12k_hw_qcn9274_rx_desc_get_l3_pad_bytes,
707 	.rx_desc_encrypt_valid = ath12k_hw_qcn9274_rx_desc_encrypt_valid,
708 	.rx_desc_get_encrypt_type = ath12k_hw_qcn9274_rx_desc_get_encrypt_type,
709 	.rx_desc_get_decap_type = ath12k_hw_qcn9274_rx_desc_get_decap_type,
710 	.rx_desc_get_mesh_ctl = ath12k_hw_qcn9274_rx_desc_get_mesh_ctl,
711 	.rx_desc_get_mpdu_seq_ctl_vld = ath12k_hw_qcn9274_rx_desc_get_mpdu_seq_ctl_vld,
712 	.rx_desc_get_mpdu_fc_valid = ath12k_hw_qcn9274_rx_desc_get_mpdu_fc_valid,
713 	.rx_desc_get_mpdu_start_seq_no = ath12k_hw_qcn9274_rx_desc_get_mpdu_start_seq_no,
714 	.rx_desc_get_msdu_len = ath12k_hw_qcn9274_rx_desc_get_msdu_len,
715 	.rx_desc_get_msdu_sgi = ath12k_hw_qcn9274_rx_desc_get_msdu_sgi,
716 	.rx_desc_get_msdu_rate_mcs = ath12k_hw_qcn9274_rx_desc_get_msdu_rate_mcs,
717 	.rx_desc_get_msdu_rx_bw = ath12k_hw_qcn9274_rx_desc_get_msdu_rx_bw,
718 	.rx_desc_get_msdu_freq = ath12k_hw_qcn9274_rx_desc_get_msdu_freq,
719 	.rx_desc_get_msdu_pkt_type = ath12k_hw_qcn9274_rx_desc_get_msdu_pkt_type,
720 	.rx_desc_get_msdu_nss = ath12k_hw_qcn9274_rx_desc_get_msdu_nss,
721 	.rx_desc_get_mpdu_tid = ath12k_hw_qcn9274_rx_desc_get_mpdu_tid,
722 	.rx_desc_get_mpdu_peer_id = ath12k_hw_qcn9274_rx_desc_get_mpdu_peer_id,
723 	.rx_desc_copy_end_tlv = ath12k_hw_qcn9274_rx_desc_copy_end_tlv,
724 	.rx_desc_get_mpdu_ppdu_id = ath12k_hw_qcn9274_rx_desc_get_mpdu_ppdu_id,
725 	.rx_desc_set_msdu_len = ath12k_hw_qcn9274_rx_desc_set_msdu_len,
726 	.rx_desc_get_msdu_payload = ath12k_hw_qcn9274_rx_desc_get_msdu_payload,
727 	.rx_desc_get_mpdu_start_offset = ath12k_hw_qcn9274_rx_desc_get_mpdu_start_offset,
728 	.rx_desc_get_msdu_end_offset = ath12k_hw_qcn9274_rx_desc_get_msdu_end_offset,
729 	.rx_desc_mac_addr2_valid = ath12k_hw_qcn9274_rx_desc_mac_addr2_valid,
730 	.rx_desc_mpdu_start_addr2 = ath12k_hw_qcn9274_rx_desc_mpdu_start_addr2,
731 	.rx_desc_is_da_mcbc = ath12k_hw_qcn9274_rx_desc_is_da_mcbc,
732 	.rx_desc_get_dot11_hdr = ath12k_hw_qcn9274_rx_desc_get_dot11_hdr,
733 	.rx_desc_get_crypto_header = ath12k_hw_qcn9274_rx_desc_get_crypto_hdr,
734 	.dp_rx_h_msdu_done = ath12k_hw_qcn9274_dp_rx_h_msdu_done,
735 	.dp_rx_h_l4_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_l4_cksum_fail,
736 	.dp_rx_h_ip_cksum_fail = ath12k_hw_qcn9274_dp_rx_h_ip_cksum_fail,
737 	.dp_rx_h_is_decrypted = ath12k_hw_qcn9274_dp_rx_h_is_decrypted,
738 	.dp_rx_h_mpdu_err = ath12k_hw_qcn9274_dp_rx_h_mpdu_err,
739 	.rx_desc_get_desc_size = ath12k_hw_qcn9274_get_rx_desc_size,
740 	.rx_desc_get_msdu_src_link_id = ath12k_hw_qcn9274_rx_desc_get_msdu_src_link,
741 };
742 
ath12k_hw_qcn9274_compact_rx_desc_get_first_msdu(struct hal_rx_desc * desc)743 static bool ath12k_hw_qcn9274_compact_rx_desc_get_first_msdu(struct hal_rx_desc *desc)
744 {
745 	return !!le16_get_bits(desc->u.qcn9274_compact.msdu_end.info5,
746 			       RX_MSDU_END_INFO5_FIRST_MSDU);
747 }
748 
ath12k_hw_qcn9274_compact_rx_desc_get_last_msdu(struct hal_rx_desc * desc)749 static bool ath12k_hw_qcn9274_compact_rx_desc_get_last_msdu(struct hal_rx_desc *desc)
750 {
751 	return !!le16_get_bits(desc->u.qcn9274_compact.msdu_end.info5,
752 			       RX_MSDU_END_INFO5_LAST_MSDU);
753 }
754 
ath12k_hw_qcn9274_compact_rx_desc_get_l3_pad_bytes(struct hal_rx_desc * desc)755 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_l3_pad_bytes(struct hal_rx_desc *desc)
756 {
757 	return le16_get_bits(desc->u.qcn9274_compact.msdu_end.info5,
758 			     RX_MSDU_END_INFO5_L3_HDR_PADDING);
759 }
760 
ath12k_hw_qcn9274_compact_rx_desc_encrypt_valid(struct hal_rx_desc * desc)761 static bool ath12k_hw_qcn9274_compact_rx_desc_encrypt_valid(struct hal_rx_desc *desc)
762 {
763 	return !!le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info4,
764 			       RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID);
765 }
766 
ath12k_hw_qcn9274_compact_rx_desc_get_encrypt_type(struct hal_rx_desc * desc)767 static u32 ath12k_hw_qcn9274_compact_rx_desc_get_encrypt_type(struct hal_rx_desc *desc)
768 {
769 	return le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info2,
770 			     RX_MPDU_START_INFO2_ENC_TYPE);
771 }
772 
ath12k_hw_qcn9274_compact_rx_desc_get_decap_type(struct hal_rx_desc * desc)773 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_decap_type(struct hal_rx_desc *desc)
774 {
775 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info11,
776 			     RX_MSDU_END_INFO11_DECAP_FORMAT);
777 }
778 
ath12k_hw_qcn9274_compact_rx_desc_get_mesh_ctl(struct hal_rx_desc * desc)779 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc)
780 {
781 	return le32_get_bits(desc->u.qcn9274.msdu_end.info11,
782 			     RX_MSDU_END_INFO11_MESH_CTRL_PRESENT);
783 }
784 
785 static bool
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc * desc)786 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc)
787 {
788 	return !!le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info4,
789 			       RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID);
790 }
791 
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc * desc)792 static bool ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc *desc)
793 {
794 	return !!le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info4,
795 			       RX_MPDU_START_INFO4_MPDU_FCTRL_VALID);
796 }
797 
798 static u16
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc * desc)799 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc *desc)
800 {
801 	return le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info4,
802 			     RX_MPDU_START_INFO4_MPDU_SEQ_NUM);
803 }
804 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_len(struct hal_rx_desc * desc)805 static u16 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_len(struct hal_rx_desc *desc)
806 {
807 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info10,
808 			     RX_MSDU_END_INFO10_MSDU_LENGTH);
809 }
810 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_sgi(struct hal_rx_desc * desc)811 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_sgi(struct hal_rx_desc *desc)
812 {
813 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info12,
814 			     RX_MSDU_END_INFO12_SGI);
815 }
816 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc * desc)817 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc *desc)
818 {
819 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info12,
820 			     RX_MSDU_END_INFO12_RATE_MCS);
821 }
822 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rx_bw(struct hal_rx_desc * desc)823 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rx_bw(struct hal_rx_desc *desc)
824 {
825 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info12,
826 			     RX_MSDU_END_INFO12_RECV_BW);
827 }
828 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_freq(struct hal_rx_desc * desc)829 static u32 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_freq(struct hal_rx_desc *desc)
830 {
831 	return __le32_to_cpu(desc->u.qcn9274_compact.msdu_end.phy_meta_data);
832 }
833 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_pkt_type(struct hal_rx_desc * desc)834 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_pkt_type(struct hal_rx_desc *desc)
835 {
836 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info12,
837 			     RX_MSDU_END_INFO12_PKT_TYPE);
838 }
839 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_nss(struct hal_rx_desc * desc)840 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_nss(struct hal_rx_desc *desc)
841 {
842 	return le32_get_bits(desc->u.qcn9274_compact.msdu_end.info12,
843 			     RX_MSDU_END_QCN9274_INFO12_MIMO_SS_BITMAP);
844 }
845 
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_tid(struct hal_rx_desc * desc)846 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_tid(struct hal_rx_desc *desc)
847 {
848 	return le16_get_bits(desc->u.qcn9274_compact.msdu_end.info5,
849 			     RX_MSDU_END_QCN9274_INFO5_TID);
850 }
851 
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_peer_id(struct hal_rx_desc * desc)852 static u16 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_peer_id(struct hal_rx_desc *desc)
853 {
854 	return __le16_to_cpu(desc->u.qcn9274_compact.mpdu_start.sw_peer_id);
855 }
856 
ath12k_hw_qcn9274_compact_rx_desc_copy_end_tlv(struct hal_rx_desc * fdesc,struct hal_rx_desc * ldesc)857 static void ath12k_hw_qcn9274_compact_rx_desc_copy_end_tlv(struct hal_rx_desc *fdesc,
858 							   struct hal_rx_desc *ldesc)
859 {
860 	fdesc->u.qcn9274_compact.msdu_end = ldesc->u.qcn9274_compact.msdu_end;
861 }
862 
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc * desc)863 static u32 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc *desc)
864 {
865 	return __le16_to_cpu(desc->u.qcn9274_compact.mpdu_start.phy_ppdu_id);
866 }
867 
868 static void
ath12k_hw_qcn9274_compact_rx_desc_set_msdu_len(struct hal_rx_desc * desc,u16 len)869 ath12k_hw_qcn9274_compact_rx_desc_set_msdu_len(struct hal_rx_desc *desc, u16 len)
870 {
871 	u32 info = __le32_to_cpu(desc->u.qcn9274_compact.msdu_end.info10);
872 
873 	info = u32_replace_bits(info, len, RX_MSDU_END_INFO10_MSDU_LENGTH);
874 	desc->u.qcn9274_compact.msdu_end.info10 = __cpu_to_le32(info);
875 }
876 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_payload(struct hal_rx_desc * desc)877 static u8 *ath12k_hw_qcn9274_compact_rx_desc_get_msdu_payload(struct hal_rx_desc *desc)
878 {
879 	return &desc->u.qcn9274_compact.msdu_payload[0];
880 }
881 
ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_offset(void)882 static u32 ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_offset(void)
883 {
884 	return offsetof(struct hal_rx_desc_qcn9274_compact, mpdu_start);
885 }
886 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_end_offset(void)887 static u32 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_end_offset(void)
888 {
889 	return offsetof(struct hal_rx_desc_qcn9274_compact, msdu_end);
890 }
891 
ath12k_hw_qcn9274_compact_rx_desc_mac_addr2_valid(struct hal_rx_desc * desc)892 static bool ath12k_hw_qcn9274_compact_rx_desc_mac_addr2_valid(struct hal_rx_desc *desc)
893 {
894 	return __le32_to_cpu(desc->u.qcn9274_compact.mpdu_start.info4) &
895 			     RX_MPDU_START_INFO4_MAC_ADDR2_VALID;
896 }
897 
ath12k_hw_qcn9274_compact_rx_desc_mpdu_start_addr2(struct hal_rx_desc * desc)898 static u8 *ath12k_hw_qcn9274_compact_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc)
899 {
900 	return desc->u.qcn9274_compact.mpdu_start.addr2;
901 }
902 
ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc(struct hal_rx_desc * desc)903 static bool ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc(struct hal_rx_desc *desc)
904 {
905 	return __le16_to_cpu(desc->u.qcn9274_compact.msdu_end.info5) &
906 	       RX_MSDU_END_INFO5_DA_IS_MCBC;
907 }
908 
ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr(struct hal_rx_desc * desc,struct ieee80211_hdr * hdr)909 static void ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc,
910 							    struct ieee80211_hdr *hdr)
911 {
912 	hdr->frame_control = desc->u.qcn9274_compact.mpdu_start.frame_ctrl;
913 	hdr->duration_id = desc->u.qcn9274_compact.mpdu_start.duration;
914 	ether_addr_copy(hdr->addr1, desc->u.qcn9274_compact.mpdu_start.addr1);
915 	ether_addr_copy(hdr->addr2, desc->u.qcn9274_compact.mpdu_start.addr2);
916 	ether_addr_copy(hdr->addr3, desc->u.qcn9274_compact.mpdu_start.addr3);
917 	if (__le32_to_cpu(desc->u.qcn9274_compact.mpdu_start.info4) &
918 			RX_MPDU_START_INFO4_MAC_ADDR4_VALID) {
919 		ether_addr_copy(hdr->addr4, desc->u.qcn9274_compact.mpdu_start.addr4);
920 	}
921 	hdr->seq_ctrl = desc->u.qcn9274_compact.mpdu_start.seq_ctrl;
922 }
923 
924 static void
ath12k_hw_qcn9274_compact_rx_desc_get_crypto_hdr(struct hal_rx_desc * desc,u8 * crypto_hdr,enum hal_encrypt_type enctype)925 ath12k_hw_qcn9274_compact_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc,
926 						 u8 *crypto_hdr,
927 						 enum hal_encrypt_type enctype)
928 {
929 	unsigned int key_id;
930 
931 	switch (enctype) {
932 	case HAL_ENCRYPT_TYPE_OPEN:
933 		return;
934 	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
935 	case HAL_ENCRYPT_TYPE_TKIP_MIC:
936 		crypto_hdr[0] =
937 		HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274_compact.mpdu_start.pn[0]);
938 		crypto_hdr[1] = 0;
939 		crypto_hdr[2] =
940 		HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274_compact.mpdu_start.pn[0]);
941 		break;
942 	case HAL_ENCRYPT_TYPE_CCMP_128:
943 	case HAL_ENCRYPT_TYPE_CCMP_256:
944 	case HAL_ENCRYPT_TYPE_GCMP_128:
945 	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
946 		crypto_hdr[0] =
947 		HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274_compact.mpdu_start.pn[0]);
948 		crypto_hdr[1] =
949 		HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274_compact.mpdu_start.pn[0]);
950 		crypto_hdr[2] = 0;
951 		break;
952 	case HAL_ENCRYPT_TYPE_WEP_40:
953 	case HAL_ENCRYPT_TYPE_WEP_104:
954 	case HAL_ENCRYPT_TYPE_WEP_128:
955 	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
956 	case HAL_ENCRYPT_TYPE_WAPI:
957 		return;
958 	}
959 	key_id = le32_get_bits(desc->u.qcn9274_compact.mpdu_start.info5,
960 			       RX_MPDU_START_INFO5_KEY_ID);
961 	crypto_hdr[3] = 0x20 | (key_id << 6);
962 	crypto_hdr[4] =
963 		HAL_RX_MPDU_INFO_PN_GET_BYTE3(desc->u.qcn9274_compact.mpdu_start.pn[0]);
964 	crypto_hdr[5] =
965 		HAL_RX_MPDU_INFO_PN_GET_BYTE4(desc->u.qcn9274_compact.mpdu_start.pn[0]);
966 	crypto_hdr[6] =
967 		HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.qcn9274_compact.mpdu_start.pn[1]);
968 	crypto_hdr[7] =
969 		HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.qcn9274_compact.mpdu_start.pn[1]);
970 }
971 
ath12k_hw_qcn9274_compact_dp_rx_h_msdu_done(struct hal_rx_desc * desc)972 static bool ath12k_hw_qcn9274_compact_dp_rx_h_msdu_done(struct hal_rx_desc *desc)
973 {
974 	return !!le32_get_bits(desc->u.qcn9274_compact.msdu_end.info14,
975 			       RX_MSDU_END_INFO14_MSDU_DONE);
976 }
977 
ath12k_hw_qcn9274_compact_dp_rx_h_l4_cksum_fail(struct hal_rx_desc * desc)978 static bool ath12k_hw_qcn9274_compact_dp_rx_h_l4_cksum_fail(struct hal_rx_desc *desc)
979 {
980 	return !!le32_get_bits(desc->u.qcn9274_compact.msdu_end.info13,
981 			       RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL);
982 }
983 
ath12k_hw_qcn9274_compact_dp_rx_h_ip_cksum_fail(struct hal_rx_desc * desc)984 static bool ath12k_hw_qcn9274_compact_dp_rx_h_ip_cksum_fail(struct hal_rx_desc *desc)
985 {
986 	return !!le32_get_bits(desc->u.qcn9274_compact.msdu_end.info13,
987 			       RX_MSDU_END_INFO13_IP_CKSUM_FAIL);
988 }
989 
ath12k_hw_qcn9274_compact_dp_rx_h_is_decrypted(struct hal_rx_desc * desc)990 static bool ath12k_hw_qcn9274_compact_dp_rx_h_is_decrypted(struct hal_rx_desc *desc)
991 {
992 	return (le32_get_bits(desc->u.qcn9274_compact.msdu_end.info14,
993 			      RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE) ==
994 			RX_DESC_DECRYPT_STATUS_CODE_OK);
995 }
996 
ath12k_hw_qcn9274_compact_dp_rx_h_mpdu_err(struct hal_rx_desc * desc)997 static u32 ath12k_hw_qcn9274_compact_dp_rx_h_mpdu_err(struct hal_rx_desc *desc)
998 {
999 	u32 info = __le32_to_cpu(desc->u.qcn9274_compact.msdu_end.info13);
1000 	u32 errmap = 0;
1001 
1002 	if (info & RX_MSDU_END_INFO13_FCS_ERR)
1003 		errmap |= HAL_RX_MPDU_ERR_FCS;
1004 
1005 	if (info & RX_MSDU_END_INFO13_DECRYPT_ERR)
1006 		errmap |= HAL_RX_MPDU_ERR_DECRYPT;
1007 
1008 	if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR)
1009 		errmap |= HAL_RX_MPDU_ERR_TKIP_MIC;
1010 
1011 	if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR)
1012 		errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR;
1013 
1014 	if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR)
1015 		errmap |= HAL_RX_MPDU_ERR_OVERFLOW;
1016 
1017 	if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR)
1018 		errmap |= HAL_RX_MPDU_ERR_MSDU_LEN;
1019 
1020 	if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR)
1021 		errmap |= HAL_RX_MPDU_ERR_MPDU_LEN;
1022 
1023 	return errmap;
1024 }
1025 
ath12k_hw_qcn9274_compact_get_rx_desc_size(void)1026 static u32 ath12k_hw_qcn9274_compact_get_rx_desc_size(void)
1027 {
1028 	return sizeof(struct hal_rx_desc_qcn9274_compact);
1029 }
1030 
ath12k_hw_qcn9274_compact_rx_desc_get_msdu_src_link(struct hal_rx_desc * desc)1031 static u8 ath12k_hw_qcn9274_compact_rx_desc_get_msdu_src_link(struct hal_rx_desc *desc)
1032 {
1033 	return le64_get_bits(desc->u.qcn9274_compact.msdu_end.msdu_end_tag,
1034 			     RX_MSDU_END_64_TLV_SRC_LINK_ID);
1035 }
1036 
1037 const struct hal_rx_ops hal_rx_qcn9274_compact_ops = {
1038 	.rx_desc_get_first_msdu = ath12k_hw_qcn9274_compact_rx_desc_get_first_msdu,
1039 	.rx_desc_get_last_msdu = ath12k_hw_qcn9274_compact_rx_desc_get_last_msdu,
1040 	.rx_desc_get_l3_pad_bytes = ath12k_hw_qcn9274_compact_rx_desc_get_l3_pad_bytes,
1041 	.rx_desc_encrypt_valid = ath12k_hw_qcn9274_compact_rx_desc_encrypt_valid,
1042 	.rx_desc_get_encrypt_type = ath12k_hw_qcn9274_compact_rx_desc_get_encrypt_type,
1043 	.rx_desc_get_decap_type = ath12k_hw_qcn9274_compact_rx_desc_get_decap_type,
1044 	.rx_desc_get_mesh_ctl = ath12k_hw_qcn9274_compact_rx_desc_get_mesh_ctl,
1045 	.rx_desc_get_mpdu_seq_ctl_vld =
1046 		ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_seq_ctl_vld,
1047 	.rx_desc_get_mpdu_fc_valid = ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_fc_valid,
1048 	.rx_desc_get_mpdu_start_seq_no =
1049 		ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_seq_no,
1050 	.rx_desc_get_msdu_len = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_len,
1051 	.rx_desc_get_msdu_sgi = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_sgi,
1052 	.rx_desc_get_msdu_rate_mcs = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rate_mcs,
1053 	.rx_desc_get_msdu_rx_bw = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_rx_bw,
1054 	.rx_desc_get_msdu_freq = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_freq,
1055 	.rx_desc_get_msdu_pkt_type = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_pkt_type,
1056 	.rx_desc_get_msdu_nss = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_nss,
1057 	.rx_desc_get_mpdu_tid = ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_tid,
1058 	.rx_desc_get_mpdu_peer_id = ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_peer_id,
1059 	.rx_desc_copy_end_tlv = ath12k_hw_qcn9274_compact_rx_desc_copy_end_tlv,
1060 	.rx_desc_get_mpdu_ppdu_id = ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_ppdu_id,
1061 	.rx_desc_set_msdu_len = ath12k_hw_qcn9274_compact_rx_desc_set_msdu_len,
1062 	.rx_desc_get_msdu_payload = ath12k_hw_qcn9274_compact_rx_desc_get_msdu_payload,
1063 	.rx_desc_get_mpdu_start_offset =
1064 		ath12k_hw_qcn9274_compact_rx_desc_get_mpdu_start_offset,
1065 	.rx_desc_get_msdu_end_offset =
1066 		ath12k_hw_qcn9274_compact_rx_desc_get_msdu_end_offset,
1067 	.rx_desc_mac_addr2_valid = ath12k_hw_qcn9274_compact_rx_desc_mac_addr2_valid,
1068 	.rx_desc_mpdu_start_addr2 = ath12k_hw_qcn9274_compact_rx_desc_mpdu_start_addr2,
1069 	.rx_desc_is_da_mcbc = ath12k_hw_qcn9274_compact_rx_desc_is_da_mcbc,
1070 	.rx_desc_get_dot11_hdr = ath12k_hw_qcn9274_compact_rx_desc_get_dot11_hdr,
1071 	.rx_desc_get_crypto_header = ath12k_hw_qcn9274_compact_rx_desc_get_crypto_hdr,
1072 	.dp_rx_h_msdu_done = ath12k_hw_qcn9274_compact_dp_rx_h_msdu_done,
1073 	.dp_rx_h_l4_cksum_fail = ath12k_hw_qcn9274_compact_dp_rx_h_l4_cksum_fail,
1074 	.dp_rx_h_ip_cksum_fail = ath12k_hw_qcn9274_compact_dp_rx_h_ip_cksum_fail,
1075 	.dp_rx_h_is_decrypted = ath12k_hw_qcn9274_compact_dp_rx_h_is_decrypted,
1076 	.dp_rx_h_mpdu_err = ath12k_hw_qcn9274_compact_dp_rx_h_mpdu_err,
1077 	.rx_desc_get_desc_size = ath12k_hw_qcn9274_compact_get_rx_desc_size,
1078 	.rx_desc_get_msdu_src_link_id =
1079 		ath12k_hw_qcn9274_compact_rx_desc_get_msdu_src_link,
1080 };
1081 
1082 const struct hal_ops hal_qcn9274_ops = {
1083 	.create_srng_config = ath12k_hal_srng_create_config_qcn9274,
1084 	.tcl_to_wbm_rbm_map = ath12k_hal_qcn9274_tcl_to_wbm_rbm_map,
1085 	.rxdma_ring_wmask_rx_mpdu_start = ath12k_hal_qcn9274_rx_mpdu_start_wmask_get,
1086 	.rxdma_ring_wmask_rx_msdu_end = ath12k_hal_qcn9274_rx_msdu_end_wmask_get,
1087 	.get_hal_rx_compact_ops = ath12k_hal_qcn9274_get_hal_rx_compact_ops,
1088 };
1089 
ath12k_hw_wcn7850_rx_desc_get_first_msdu(struct hal_rx_desc * desc)1090 static bool ath12k_hw_wcn7850_rx_desc_get_first_msdu(struct hal_rx_desc *desc)
1091 {
1092 	return !!le16_get_bits(desc->u.wcn7850.msdu_end.info5,
1093 			       RX_MSDU_END_INFO5_FIRST_MSDU);
1094 }
1095 
ath12k_hw_wcn7850_rx_desc_get_last_msdu(struct hal_rx_desc * desc)1096 static bool ath12k_hw_wcn7850_rx_desc_get_last_msdu(struct hal_rx_desc *desc)
1097 {
1098 	return !!le16_get_bits(desc->u.wcn7850.msdu_end.info5,
1099 			       RX_MSDU_END_INFO5_LAST_MSDU);
1100 }
1101 
ath12k_hw_wcn7850_rx_desc_get_l3_pad_bytes(struct hal_rx_desc * desc)1102 static u8 ath12k_hw_wcn7850_rx_desc_get_l3_pad_bytes(struct hal_rx_desc *desc)
1103 {
1104 	return le16_get_bits(desc->u.wcn7850.msdu_end.info5,
1105 			    RX_MSDU_END_INFO5_L3_HDR_PADDING);
1106 }
1107 
ath12k_hw_wcn7850_rx_desc_encrypt_valid(struct hal_rx_desc * desc)1108 static bool ath12k_hw_wcn7850_rx_desc_encrypt_valid(struct hal_rx_desc *desc)
1109 {
1110 	return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4,
1111 			       RX_MPDU_START_INFO4_ENCRYPT_INFO_VALID);
1112 }
1113 
ath12k_hw_wcn7850_rx_desc_get_encrypt_type(struct hal_rx_desc * desc)1114 static u32 ath12k_hw_wcn7850_rx_desc_get_encrypt_type(struct hal_rx_desc *desc)
1115 {
1116 	return le32_get_bits(desc->u.wcn7850.mpdu_start.info2,
1117 			     RX_MPDU_START_INFO2_ENC_TYPE);
1118 }
1119 
ath12k_hw_wcn7850_rx_desc_get_decap_type(struct hal_rx_desc * desc)1120 static u8 ath12k_hw_wcn7850_rx_desc_get_decap_type(struct hal_rx_desc *desc)
1121 {
1122 	return le32_get_bits(desc->u.wcn7850.msdu_end.info11,
1123 			     RX_MSDU_END_INFO11_DECAP_FORMAT);
1124 }
1125 
ath12k_hw_wcn7850_rx_desc_get_mesh_ctl(struct hal_rx_desc * desc)1126 static u8 ath12k_hw_wcn7850_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc)
1127 {
1128 	return le32_get_bits(desc->u.wcn7850.msdu_end.info11,
1129 			     RX_MSDU_END_INFO11_MESH_CTRL_PRESENT);
1130 }
1131 
ath12k_hw_wcn7850_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc * desc)1132 static bool ath12k_hw_wcn7850_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc)
1133 {
1134 	return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4,
1135 			       RX_MPDU_START_INFO4_MPDU_SEQ_CTRL_VALID);
1136 }
1137 
ath12k_hw_wcn7850_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc * desc)1138 static bool ath12k_hw_wcn7850_rx_desc_get_mpdu_fc_valid(struct hal_rx_desc *desc)
1139 {
1140 	return !!le32_get_bits(desc->u.wcn7850.mpdu_start.info4,
1141 			       RX_MPDU_START_INFO4_MPDU_FCTRL_VALID);
1142 }
1143 
ath12k_hw_wcn7850_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc * desc)1144 static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_seq_no(struct hal_rx_desc *desc)
1145 {
1146 	return le32_get_bits(desc->u.wcn7850.mpdu_start.info4,
1147 			     RX_MPDU_START_INFO4_MPDU_SEQ_NUM);
1148 }
1149 
ath12k_hw_wcn7850_rx_desc_get_msdu_len(struct hal_rx_desc * desc)1150 static u16 ath12k_hw_wcn7850_rx_desc_get_msdu_len(struct hal_rx_desc *desc)
1151 {
1152 	return le32_get_bits(desc->u.wcn7850.msdu_end.info10,
1153 			     RX_MSDU_END_INFO10_MSDU_LENGTH);
1154 }
1155 
ath12k_hw_wcn7850_rx_desc_get_msdu_sgi(struct hal_rx_desc * desc)1156 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_sgi(struct hal_rx_desc *desc)
1157 {
1158 	return le32_get_bits(desc->u.wcn7850.msdu_end.info12,
1159 			     RX_MSDU_END_INFO12_SGI);
1160 }
1161 
ath12k_hw_wcn7850_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc * desc)1162 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_rate_mcs(struct hal_rx_desc *desc)
1163 {
1164 	return le32_get_bits(desc->u.wcn7850.msdu_end.info12,
1165 			     RX_MSDU_END_INFO12_RATE_MCS);
1166 }
1167 
ath12k_hw_wcn7850_rx_desc_get_msdu_rx_bw(struct hal_rx_desc * desc)1168 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_rx_bw(struct hal_rx_desc *desc)
1169 {
1170 	return le32_get_bits(desc->u.wcn7850.msdu_end.info12,
1171 			     RX_MSDU_END_INFO12_RECV_BW);
1172 }
1173 
ath12k_hw_wcn7850_rx_desc_get_msdu_freq(struct hal_rx_desc * desc)1174 static u32 ath12k_hw_wcn7850_rx_desc_get_msdu_freq(struct hal_rx_desc *desc)
1175 {
1176 	return __le32_to_cpu(desc->u.wcn7850.msdu_end.phy_meta_data);
1177 }
1178 
ath12k_hw_wcn7850_rx_desc_get_msdu_pkt_type(struct hal_rx_desc * desc)1179 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_pkt_type(struct hal_rx_desc *desc)
1180 {
1181 	return le32_get_bits(desc->u.wcn7850.msdu_end.info12,
1182 			     RX_MSDU_END_INFO12_PKT_TYPE);
1183 }
1184 
ath12k_hw_wcn7850_rx_desc_get_msdu_nss(struct hal_rx_desc * desc)1185 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_nss(struct hal_rx_desc *desc)
1186 {
1187 	return le32_get_bits(desc->u.wcn7850.msdu_end.info12,
1188 			     RX_MSDU_END_WCN7850_INFO12_MIMO_SS_BITMAP);
1189 }
1190 
ath12k_hw_wcn7850_rx_desc_get_mpdu_tid(struct hal_rx_desc * desc)1191 static u8 ath12k_hw_wcn7850_rx_desc_get_mpdu_tid(struct hal_rx_desc *desc)
1192 {
1193 	return le32_get_bits(desc->u.wcn7850.mpdu_start.info2,
1194 			     RX_MPDU_START_INFO2_TID);
1195 }
1196 
ath12k_hw_wcn7850_rx_desc_get_mpdu_peer_id(struct hal_rx_desc * desc)1197 static u16 ath12k_hw_wcn7850_rx_desc_get_mpdu_peer_id(struct hal_rx_desc *desc)
1198 {
1199 	return __le16_to_cpu(desc->u.wcn7850.mpdu_start.sw_peer_id);
1200 }
1201 
ath12k_hw_wcn7850_rx_desc_copy_end_tlv(struct hal_rx_desc * fdesc,struct hal_rx_desc * ldesc)1202 static void ath12k_hw_wcn7850_rx_desc_copy_end_tlv(struct hal_rx_desc *fdesc,
1203 						   struct hal_rx_desc *ldesc)
1204 {
1205 	memcpy(&fdesc->u.wcn7850.msdu_end, &ldesc->u.wcn7850.msdu_end,
1206 	       sizeof(struct rx_msdu_end_wcn7850));
1207 }
1208 
ath12k_hw_wcn7850_rx_desc_get_mpdu_start_tag(struct hal_rx_desc * desc)1209 static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_tag(struct hal_rx_desc *desc)
1210 {
1211 	return le64_get_bits(desc->u.wcn7850.mpdu_start_tag,
1212 			    HAL_TLV_HDR_TAG);
1213 }
1214 
ath12k_hw_wcn7850_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc * desc)1215 static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_ppdu_id(struct hal_rx_desc *desc)
1216 {
1217 	return __le16_to_cpu(desc->u.wcn7850.mpdu_start.phy_ppdu_id);
1218 }
1219 
ath12k_hw_wcn7850_rx_desc_set_msdu_len(struct hal_rx_desc * desc,u16 len)1220 static void ath12k_hw_wcn7850_rx_desc_set_msdu_len(struct hal_rx_desc *desc, u16 len)
1221 {
1222 	u32 info = __le32_to_cpu(desc->u.wcn7850.msdu_end.info10);
1223 
1224 	info &= ~RX_MSDU_END_INFO10_MSDU_LENGTH;
1225 	info |= u32_encode_bits(len, RX_MSDU_END_INFO10_MSDU_LENGTH);
1226 
1227 	desc->u.wcn7850.msdu_end.info10 = __cpu_to_le32(info);
1228 }
1229 
ath12k_hw_wcn7850_rx_desc_get_msdu_payload(struct hal_rx_desc * desc)1230 static u8 *ath12k_hw_wcn7850_rx_desc_get_msdu_payload(struct hal_rx_desc *desc)
1231 {
1232 	return &desc->u.wcn7850.msdu_payload[0];
1233 }
1234 
ath12k_hw_wcn7850_rx_desc_get_mpdu_start_offset(void)1235 static u32 ath12k_hw_wcn7850_rx_desc_get_mpdu_start_offset(void)
1236 {
1237 	return offsetof(struct hal_rx_desc_wcn7850, mpdu_start_tag);
1238 }
1239 
ath12k_hw_wcn7850_rx_desc_get_msdu_end_offset(void)1240 static u32 ath12k_hw_wcn7850_rx_desc_get_msdu_end_offset(void)
1241 {
1242 	return offsetof(struct hal_rx_desc_wcn7850, msdu_end_tag);
1243 }
1244 
ath12k_hw_wcn7850_rx_desc_mac_addr2_valid(struct hal_rx_desc * desc)1245 static bool ath12k_hw_wcn7850_rx_desc_mac_addr2_valid(struct hal_rx_desc *desc)
1246 {
1247 	return __le32_to_cpu(desc->u.wcn7850.mpdu_start.info4) &
1248 	       RX_MPDU_START_INFO4_MAC_ADDR2_VALID;
1249 }
1250 
ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2(struct hal_rx_desc * desc)1251 static u8 *ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2(struct hal_rx_desc *desc)
1252 {
1253 	return desc->u.wcn7850.mpdu_start.addr2;
1254 }
1255 
ath12k_hw_wcn7850_rx_desc_is_da_mcbc(struct hal_rx_desc * desc)1256 static bool ath12k_hw_wcn7850_rx_desc_is_da_mcbc(struct hal_rx_desc *desc)
1257 {
1258 	return __le32_to_cpu(desc->u.wcn7850.msdu_end.info13) &
1259 	       RX_MSDU_END_INFO13_MCAST_BCAST;
1260 }
1261 
ath12k_hw_wcn7850_rx_desc_get_dot11_hdr(struct hal_rx_desc * desc,struct ieee80211_hdr * hdr)1262 static void ath12k_hw_wcn7850_rx_desc_get_dot11_hdr(struct hal_rx_desc *desc,
1263 						    struct ieee80211_hdr *hdr)
1264 {
1265 	hdr->frame_control = desc->u.wcn7850.mpdu_start.frame_ctrl;
1266 	hdr->duration_id = desc->u.wcn7850.mpdu_start.duration;
1267 	ether_addr_copy(hdr->addr1, desc->u.wcn7850.mpdu_start.addr1);
1268 	ether_addr_copy(hdr->addr2, desc->u.wcn7850.mpdu_start.addr2);
1269 	ether_addr_copy(hdr->addr3, desc->u.wcn7850.mpdu_start.addr3);
1270 	if (__le32_to_cpu(desc->u.wcn7850.mpdu_start.info4) &
1271 			RX_MPDU_START_INFO4_MAC_ADDR4_VALID) {
1272 		ether_addr_copy(hdr->addr4, desc->u.wcn7850.mpdu_start.addr4);
1273 	}
1274 	hdr->seq_ctrl = desc->u.wcn7850.mpdu_start.seq_ctrl;
1275 }
1276 
ath12k_hw_wcn7850_rx_desc_get_crypto_hdr(struct hal_rx_desc * desc,u8 * crypto_hdr,enum hal_encrypt_type enctype)1277 static void ath12k_hw_wcn7850_rx_desc_get_crypto_hdr(struct hal_rx_desc *desc,
1278 						     u8 *crypto_hdr,
1279 						     enum hal_encrypt_type enctype)
1280 {
1281 	unsigned int key_id;
1282 
1283 	switch (enctype) {
1284 	case HAL_ENCRYPT_TYPE_OPEN:
1285 		return;
1286 	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
1287 	case HAL_ENCRYPT_TYPE_TKIP_MIC:
1288 		crypto_hdr[0] =
1289 			HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[0]);
1290 		crypto_hdr[1] = 0;
1291 		crypto_hdr[2] =
1292 			HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[0]);
1293 		break;
1294 	case HAL_ENCRYPT_TYPE_CCMP_128:
1295 	case HAL_ENCRYPT_TYPE_CCMP_256:
1296 	case HAL_ENCRYPT_TYPE_GCMP_128:
1297 	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
1298 		crypto_hdr[0] =
1299 			HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[0]);
1300 		crypto_hdr[1] =
1301 			HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[0]);
1302 		crypto_hdr[2] = 0;
1303 		break;
1304 	case HAL_ENCRYPT_TYPE_WEP_40:
1305 	case HAL_ENCRYPT_TYPE_WEP_104:
1306 	case HAL_ENCRYPT_TYPE_WEP_128:
1307 	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
1308 	case HAL_ENCRYPT_TYPE_WAPI:
1309 		return;
1310 	}
1311 	key_id = u32_get_bits(__le32_to_cpu(desc->u.wcn7850.mpdu_start.info5),
1312 			      RX_MPDU_START_INFO5_KEY_ID);
1313 	crypto_hdr[3] = 0x20 | (key_id << 6);
1314 	crypto_hdr[4] = HAL_RX_MPDU_INFO_PN_GET_BYTE3(desc->u.wcn7850.mpdu_start.pn[0]);
1315 	crypto_hdr[5] = HAL_RX_MPDU_INFO_PN_GET_BYTE4(desc->u.wcn7850.mpdu_start.pn[0]);
1316 	crypto_hdr[6] = HAL_RX_MPDU_INFO_PN_GET_BYTE1(desc->u.wcn7850.mpdu_start.pn[1]);
1317 	crypto_hdr[7] = HAL_RX_MPDU_INFO_PN_GET_BYTE2(desc->u.wcn7850.mpdu_start.pn[1]);
1318 }
1319 
ath12k_hal_srng_create_config_wcn7850(struct ath12k_base * ab)1320 static int ath12k_hal_srng_create_config_wcn7850(struct ath12k_base *ab)
1321 {
1322 	struct ath12k_hal *hal = &ab->hal;
1323 	struct hal_srng_config *s;
1324 
1325 	hal->srng_config = kmemdup(hw_srng_config_template,
1326 				   sizeof(hw_srng_config_template),
1327 				   GFP_KERNEL);
1328 	if (!hal->srng_config)
1329 		return -ENOMEM;
1330 
1331 	s = &hal->srng_config[HAL_REO_DST];
1332 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_BASE_LSB(ab);
1333 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_RING_HP;
1334 	s->reg_size[0] = HAL_REO2_RING_BASE_LSB(ab) - HAL_REO1_RING_BASE_LSB(ab);
1335 	s->reg_size[1] = HAL_REO2_RING_HP - HAL_REO1_RING_HP;
1336 
1337 	s = &hal->srng_config[HAL_REO_EXCEPTION];
1338 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_BASE_LSB(ab);
1339 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_SW0_RING_HP;
1340 
1341 	s = &hal->srng_config[HAL_REO_REINJECT];
1342 	s->max_rings = 1;
1343 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_BASE_LSB(ab);
1344 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_SW2REO_RING_HP;
1345 
1346 	s = &hal->srng_config[HAL_REO_CMD];
1347 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_RING_BASE_LSB(ab);
1348 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_CMD_HP;
1349 
1350 	s = &hal->srng_config[HAL_REO_STATUS];
1351 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_RING_BASE_LSB(ab);
1352 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO_STATUS_HP;
1353 
1354 	s = &hal->srng_config[HAL_TCL_DATA];
1355 	s->max_rings = 5;
1356 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_BASE_LSB(ab);
1357 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_HP;
1358 	s->reg_size[0] = HAL_TCL2_RING_BASE_LSB(ab) - HAL_TCL1_RING_BASE_LSB(ab);
1359 	s->reg_size[1] = HAL_TCL2_RING_HP - HAL_TCL1_RING_HP;
1360 
1361 	s = &hal->srng_config[HAL_TCL_CMD];
1362 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_BASE_LSB(ab);
1363 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_RING_HP;
1364 
1365 	s = &hal->srng_config[HAL_TCL_STATUS];
1366 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_BASE_LSB(ab);
1367 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL_STATUS_RING_HP;
1368 
1369 	s = &hal->srng_config[HAL_CE_SRC];
1370 	s->max_rings = 12;
1371 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
1372 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab) + HAL_CE_DST_RING_HP;
1373 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
1374 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
1375 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_SRC_REG(ab) -
1376 		HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab);
1377 
1378 	s = &hal->srng_config[HAL_CE_DST];
1379 	s->max_rings = 12;
1380 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_BASE_LSB;
1381 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_RING_HP;
1382 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
1383 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
1384 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
1385 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
1386 
1387 	s = &hal->srng_config[HAL_CE_DST_STATUS];
1388 	s->max_rings = 12;
1389 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) +
1390 		HAL_CE_DST_STATUS_RING_BASE_LSB;
1391 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab) + HAL_CE_DST_STATUS_RING_HP;
1392 	s->reg_size[0] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
1393 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
1394 	s->reg_size[1] = HAL_SEQ_WCSS_UMAC_CE1_DST_REG(ab) -
1395 		HAL_SEQ_WCSS_UMAC_CE0_DST_REG(ab);
1396 
1397 	s = &hal->srng_config[HAL_WBM_IDLE_LINK];
1398 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_BASE_LSB(ab);
1399 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_IDLE_LINK_RING_HP;
1400 
1401 	s = &hal->srng_config[HAL_SW2WBM_RELEASE];
1402 	s->max_rings = 1;
1403 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG +
1404 		HAL_WBM_SW_RELEASE_RING_BASE_LSB(ab);
1405 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_SW_RELEASE_RING_HP;
1406 
1407 	s = &hal->srng_config[HAL_WBM2SW_RELEASE];
1408 	s->reg_start[0] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_BASE_LSB(ab);
1409 	s->reg_start[1] = HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM0_RELEASE_RING_HP;
1410 	s->reg_size[0] = HAL_WBM1_RELEASE_RING_BASE_LSB(ab) -
1411 		HAL_WBM0_RELEASE_RING_BASE_LSB(ab);
1412 	s->reg_size[1] = HAL_WBM1_RELEASE_RING_HP - HAL_WBM0_RELEASE_RING_HP;
1413 
1414 	s = &hal->srng_config[HAL_RXDMA_BUF];
1415 	s->max_rings = 2;
1416 	s->mac_type = ATH12K_HAL_SRNG_PMAC;
1417 
1418 	s = &hal->srng_config[HAL_RXDMA_DST];
1419 	s->max_rings = 1;
1420 	s->entry_size = sizeof(struct hal_reo_entrance_ring) >> 2;
1421 
1422 	/* below rings are not used */
1423 	s = &hal->srng_config[HAL_RXDMA_DIR_BUF];
1424 	s->max_rings = 0;
1425 
1426 	s = &hal->srng_config[HAL_PPE2TCL];
1427 	s->max_rings = 0;
1428 
1429 	s = &hal->srng_config[HAL_PPE_RELEASE];
1430 	s->max_rings = 0;
1431 
1432 	s = &hal->srng_config[HAL_TX_MONITOR_BUF];
1433 	s->max_rings = 0;
1434 
1435 	s = &hal->srng_config[HAL_TX_MONITOR_DST];
1436 	s->max_rings = 0;
1437 
1438 	s = &hal->srng_config[HAL_PPE2TCL];
1439 	s->max_rings = 0;
1440 
1441 	return 0;
1442 }
1443 
ath12k_hw_wcn7850_dp_rx_h_msdu_done(struct hal_rx_desc * desc)1444 static bool ath12k_hw_wcn7850_dp_rx_h_msdu_done(struct hal_rx_desc *desc)
1445 {
1446 	return !!le32_get_bits(desc->u.wcn7850.msdu_end.info14,
1447 			       RX_MSDU_END_INFO14_MSDU_DONE);
1448 }
1449 
ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail(struct hal_rx_desc * desc)1450 static bool ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail(struct hal_rx_desc *desc)
1451 {
1452 	return !!le32_get_bits(desc->u.wcn7850.msdu_end.info13,
1453 			       RX_MSDU_END_INFO13_TCP_UDP_CKSUM_FAIL);
1454 }
1455 
ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail(struct hal_rx_desc * desc)1456 static bool ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail(struct hal_rx_desc *desc)
1457 {
1458 	return !!le32_get_bits(desc->u.wcn7850.msdu_end.info13,
1459 			      RX_MSDU_END_INFO13_IP_CKSUM_FAIL);
1460 }
1461 
ath12k_hw_wcn7850_dp_rx_h_is_decrypted(struct hal_rx_desc * desc)1462 static bool ath12k_hw_wcn7850_dp_rx_h_is_decrypted(struct hal_rx_desc *desc)
1463 {
1464 	return (le32_get_bits(desc->u.wcn7850.msdu_end.info14,
1465 			      RX_MSDU_END_INFO14_DECRYPT_STATUS_CODE) ==
1466 			      RX_DESC_DECRYPT_STATUS_CODE_OK);
1467 }
1468 
ath12k_hw_wcn7850_dp_rx_h_mpdu_err(struct hal_rx_desc * desc)1469 static u32 ath12k_hw_wcn7850_dp_rx_h_mpdu_err(struct hal_rx_desc *desc)
1470 {
1471 	u32 info = __le32_to_cpu(desc->u.wcn7850.msdu_end.info13);
1472 	u32 errmap = 0;
1473 
1474 	if (info & RX_MSDU_END_INFO13_FCS_ERR)
1475 		errmap |= HAL_RX_MPDU_ERR_FCS;
1476 
1477 	if (info & RX_MSDU_END_INFO13_DECRYPT_ERR)
1478 		errmap |= HAL_RX_MPDU_ERR_DECRYPT;
1479 
1480 	if (info & RX_MSDU_END_INFO13_TKIP_MIC_ERR)
1481 		errmap |= HAL_RX_MPDU_ERR_TKIP_MIC;
1482 
1483 	if (info & RX_MSDU_END_INFO13_A_MSDU_ERROR)
1484 		errmap |= HAL_RX_MPDU_ERR_AMSDU_ERR;
1485 
1486 	if (info & RX_MSDU_END_INFO13_OVERFLOW_ERR)
1487 		errmap |= HAL_RX_MPDU_ERR_OVERFLOW;
1488 
1489 	if (info & RX_MSDU_END_INFO13_MSDU_LEN_ERR)
1490 		errmap |= HAL_RX_MPDU_ERR_MSDU_LEN;
1491 
1492 	if (info & RX_MSDU_END_INFO13_MPDU_LEN_ERR)
1493 		errmap |= HAL_RX_MPDU_ERR_MPDU_LEN;
1494 
1495 	return errmap;
1496 }
1497 
ath12k_hw_wcn7850_get_rx_desc_size(void)1498 static u32 ath12k_hw_wcn7850_get_rx_desc_size(void)
1499 {
1500 	return sizeof(struct hal_rx_desc_wcn7850);
1501 }
1502 
ath12k_hw_wcn7850_rx_desc_get_msdu_src_link(struct hal_rx_desc * desc)1503 static u8 ath12k_hw_wcn7850_rx_desc_get_msdu_src_link(struct hal_rx_desc *desc)
1504 {
1505 	return 0;
1506 }
1507 
1508 const struct hal_rx_ops hal_rx_wcn7850_ops = {
1509 	.rx_desc_get_first_msdu = ath12k_hw_wcn7850_rx_desc_get_first_msdu,
1510 	.rx_desc_get_last_msdu = ath12k_hw_wcn7850_rx_desc_get_last_msdu,
1511 	.rx_desc_get_l3_pad_bytes = ath12k_hw_wcn7850_rx_desc_get_l3_pad_bytes,
1512 	.rx_desc_encrypt_valid = ath12k_hw_wcn7850_rx_desc_encrypt_valid,
1513 	.rx_desc_get_encrypt_type = ath12k_hw_wcn7850_rx_desc_get_encrypt_type,
1514 	.rx_desc_get_decap_type = ath12k_hw_wcn7850_rx_desc_get_decap_type,
1515 	.rx_desc_get_mesh_ctl = ath12k_hw_wcn7850_rx_desc_get_mesh_ctl,
1516 	.rx_desc_get_mpdu_seq_ctl_vld = ath12k_hw_wcn7850_rx_desc_get_mpdu_seq_ctl_vld,
1517 	.rx_desc_get_mpdu_fc_valid = ath12k_hw_wcn7850_rx_desc_get_mpdu_fc_valid,
1518 	.rx_desc_get_mpdu_start_seq_no = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_seq_no,
1519 	.rx_desc_get_msdu_len = ath12k_hw_wcn7850_rx_desc_get_msdu_len,
1520 	.rx_desc_get_msdu_sgi = ath12k_hw_wcn7850_rx_desc_get_msdu_sgi,
1521 	.rx_desc_get_msdu_rate_mcs = ath12k_hw_wcn7850_rx_desc_get_msdu_rate_mcs,
1522 	.rx_desc_get_msdu_rx_bw = ath12k_hw_wcn7850_rx_desc_get_msdu_rx_bw,
1523 	.rx_desc_get_msdu_freq = ath12k_hw_wcn7850_rx_desc_get_msdu_freq,
1524 	.rx_desc_get_msdu_pkt_type = ath12k_hw_wcn7850_rx_desc_get_msdu_pkt_type,
1525 	.rx_desc_get_msdu_nss = ath12k_hw_wcn7850_rx_desc_get_msdu_nss,
1526 	.rx_desc_get_mpdu_tid = ath12k_hw_wcn7850_rx_desc_get_mpdu_tid,
1527 	.rx_desc_get_mpdu_peer_id = ath12k_hw_wcn7850_rx_desc_get_mpdu_peer_id,
1528 	.rx_desc_copy_end_tlv = ath12k_hw_wcn7850_rx_desc_copy_end_tlv,
1529 	.rx_desc_get_mpdu_start_tag = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_tag,
1530 	.rx_desc_get_mpdu_ppdu_id = ath12k_hw_wcn7850_rx_desc_get_mpdu_ppdu_id,
1531 	.rx_desc_set_msdu_len = ath12k_hw_wcn7850_rx_desc_set_msdu_len,
1532 	.rx_desc_get_msdu_payload = ath12k_hw_wcn7850_rx_desc_get_msdu_payload,
1533 	.rx_desc_get_mpdu_start_offset = ath12k_hw_wcn7850_rx_desc_get_mpdu_start_offset,
1534 	.rx_desc_get_msdu_end_offset = ath12k_hw_wcn7850_rx_desc_get_msdu_end_offset,
1535 	.rx_desc_mac_addr2_valid = ath12k_hw_wcn7850_rx_desc_mac_addr2_valid,
1536 	.rx_desc_mpdu_start_addr2 = ath12k_hw_wcn7850_rx_desc_mpdu_start_addr2,
1537 	.rx_desc_is_da_mcbc = ath12k_hw_wcn7850_rx_desc_is_da_mcbc,
1538 	.rx_desc_get_dot11_hdr = ath12k_hw_wcn7850_rx_desc_get_dot11_hdr,
1539 	.rx_desc_get_crypto_header = ath12k_hw_wcn7850_rx_desc_get_crypto_hdr,
1540 	.dp_rx_h_msdu_done = ath12k_hw_wcn7850_dp_rx_h_msdu_done,
1541 	.dp_rx_h_l4_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_l4_cksum_fail,
1542 	.dp_rx_h_ip_cksum_fail = ath12k_hw_wcn7850_dp_rx_h_ip_cksum_fail,
1543 	.dp_rx_h_is_decrypted = ath12k_hw_wcn7850_dp_rx_h_is_decrypted,
1544 	.dp_rx_h_mpdu_err = ath12k_hw_wcn7850_dp_rx_h_mpdu_err,
1545 	.rx_desc_get_desc_size = ath12k_hw_wcn7850_get_rx_desc_size,
1546 	.rx_desc_get_msdu_src_link_id = ath12k_hw_wcn7850_rx_desc_get_msdu_src_link,
1547 };
1548 
1549 const struct hal_ops hal_wcn7850_ops = {
1550 	.create_srng_config = ath12k_hal_srng_create_config_wcn7850,
1551 	.tcl_to_wbm_rbm_map = ath12k_hal_wcn7850_tcl_to_wbm_rbm_map,
1552 	.rxdma_ring_wmask_rx_mpdu_start = NULL,
1553 	.rxdma_ring_wmask_rx_msdu_end = NULL,
1554 	.get_hal_rx_compact_ops = NULL,
1555 };
1556 
ath12k_hal_alloc_cont_rdp(struct ath12k_base * ab)1557 static int ath12k_hal_alloc_cont_rdp(struct ath12k_base *ab)
1558 {
1559 	struct ath12k_hal *hal = &ab->hal;
1560 	size_t size;
1561 
1562 	size = sizeof(u32) * HAL_SRNG_RING_ID_MAX;
1563 	hal->rdp.vaddr = dma_alloc_coherent(ab->dev, size, &hal->rdp.paddr,
1564 					    GFP_KERNEL);
1565 	if (!hal->rdp.vaddr)
1566 		return -ENOMEM;
1567 
1568 	return 0;
1569 }
1570 
ath12k_hal_free_cont_rdp(struct ath12k_base * ab)1571 static void ath12k_hal_free_cont_rdp(struct ath12k_base *ab)
1572 {
1573 	struct ath12k_hal *hal = &ab->hal;
1574 	size_t size;
1575 
1576 	if (!hal->rdp.vaddr)
1577 		return;
1578 
1579 	size = sizeof(u32) * HAL_SRNG_RING_ID_MAX;
1580 	dma_free_coherent(ab->dev, size,
1581 			  hal->rdp.vaddr, hal->rdp.paddr);
1582 	hal->rdp.vaddr = NULL;
1583 }
1584 
ath12k_hal_alloc_cont_wrp(struct ath12k_base * ab)1585 static int ath12k_hal_alloc_cont_wrp(struct ath12k_base *ab)
1586 {
1587 	struct ath12k_hal *hal = &ab->hal;
1588 	size_t size;
1589 
1590 	size = sizeof(u32) * (HAL_SRNG_NUM_PMAC_RINGS + HAL_SRNG_NUM_DMAC_RINGS);
1591 	hal->wrp.vaddr = dma_alloc_coherent(ab->dev, size, &hal->wrp.paddr,
1592 					    GFP_KERNEL);
1593 	if (!hal->wrp.vaddr)
1594 		return -ENOMEM;
1595 
1596 	return 0;
1597 }
1598 
ath12k_hal_free_cont_wrp(struct ath12k_base * ab)1599 static void ath12k_hal_free_cont_wrp(struct ath12k_base *ab)
1600 {
1601 	struct ath12k_hal *hal = &ab->hal;
1602 	size_t size;
1603 
1604 	if (!hal->wrp.vaddr)
1605 		return;
1606 
1607 	size = sizeof(u32) * (HAL_SRNG_NUM_PMAC_RINGS + HAL_SRNG_NUM_DMAC_RINGS);
1608 	dma_free_coherent(ab->dev, size,
1609 			  hal->wrp.vaddr, hal->wrp.paddr);
1610 	hal->wrp.vaddr = NULL;
1611 }
1612 
ath12k_hal_ce_dst_setup(struct ath12k_base * ab,struct hal_srng * srng,int ring_num)1613 static void ath12k_hal_ce_dst_setup(struct ath12k_base *ab,
1614 				    struct hal_srng *srng, int ring_num)
1615 {
1616 	struct hal_srng_config *srng_config = &ab->hal.srng_config[HAL_CE_DST];
1617 	u32 addr;
1618 	u32 val;
1619 
1620 	addr = HAL_CE_DST_RING_CTRL +
1621 	       srng_config->reg_start[HAL_SRNG_REG_GRP_R0] +
1622 	       ring_num * srng_config->reg_size[HAL_SRNG_REG_GRP_R0];
1623 
1624 	val = ath12k_hif_read32(ab, addr);
1625 	val &= ~HAL_CE_DST_R0_DEST_CTRL_MAX_LEN;
1626 	val |= u32_encode_bits(srng->u.dst_ring.max_buffer_length,
1627 			       HAL_CE_DST_R0_DEST_CTRL_MAX_LEN);
1628 	ath12k_hif_write32(ab, addr, val);
1629 }
1630 
ath12k_hal_srng_dst_hw_init(struct ath12k_base * ab,struct hal_srng * srng)1631 static void ath12k_hal_srng_dst_hw_init(struct ath12k_base *ab,
1632 					struct hal_srng *srng)
1633 {
1634 	struct ath12k_hal *hal = &ab->hal;
1635 	u32 val;
1636 	u64 hp_addr;
1637 	u32 reg_base;
1638 
1639 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
1640 
1641 	if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) {
1642 		ath12k_hif_write32(ab, reg_base +
1643 				   ath12k_hal_reo1_ring_msi1_base_lsb_offset(ab),
1644 				   srng->msi_addr);
1645 
1646 		val = u32_encode_bits(((u64)srng->msi_addr >> HAL_ADDR_MSB_REG_SHIFT),
1647 				      HAL_REO1_RING_MSI1_BASE_MSB_ADDR) |
1648 				      HAL_REO1_RING_MSI1_BASE_MSB_MSI1_ENABLE;
1649 		ath12k_hif_write32(ab, reg_base +
1650 				   ath12k_hal_reo1_ring_msi1_base_msb_offset(ab), val);
1651 
1652 		ath12k_hif_write32(ab,
1653 				   reg_base + ath12k_hal_reo1_ring_msi1_data_offset(ab),
1654 				   srng->msi_data);
1655 	}
1656 
1657 	ath12k_hif_write32(ab, reg_base, srng->ring_base_paddr);
1658 
1659 	val = u32_encode_bits(((u64)srng->ring_base_paddr >> HAL_ADDR_MSB_REG_SHIFT),
1660 			      HAL_REO1_RING_BASE_MSB_RING_BASE_ADDR_MSB) |
1661 	      u32_encode_bits((srng->entry_size * srng->num_entries),
1662 			      HAL_REO1_RING_BASE_MSB_RING_SIZE);
1663 	ath12k_hif_write32(ab, reg_base + ath12k_hal_reo1_ring_base_msb_offset(ab), val);
1664 
1665 	val = u32_encode_bits(srng->ring_id, HAL_REO1_RING_ID_RING_ID) |
1666 	      u32_encode_bits(srng->entry_size, HAL_REO1_RING_ID_ENTRY_SIZE);
1667 	ath12k_hif_write32(ab, reg_base + ath12k_hal_reo1_ring_id_offset(ab), val);
1668 
1669 	/* interrupt setup */
1670 	val = u32_encode_bits((srng->intr_timer_thres_us >> 3),
1671 			      HAL_REO1_RING_PRDR_INT_SETUP_INTR_TMR_THOLD);
1672 
1673 	val |= u32_encode_bits((srng->intr_batch_cntr_thres_entries * srng->entry_size),
1674 				HAL_REO1_RING_PRDR_INT_SETUP_BATCH_COUNTER_THOLD);
1675 
1676 	ath12k_hif_write32(ab,
1677 			   reg_base + ath12k_hal_reo1_ring_producer_int_setup_offset(ab),
1678 			   val);
1679 
1680 	hp_addr = hal->rdp.paddr +
1681 		  ((unsigned long)srng->u.dst_ring.hp_addr -
1682 		   (unsigned long)hal->rdp.vaddr);
1683 	ath12k_hif_write32(ab, reg_base + ath12k_hal_reo1_ring_hp_addr_lsb_offset(ab),
1684 			   hp_addr & HAL_ADDR_LSB_REG_MASK);
1685 	ath12k_hif_write32(ab, reg_base + ath12k_hal_reo1_ring_hp_addr_msb_offset(ab),
1686 			   hp_addr >> HAL_ADDR_MSB_REG_SHIFT);
1687 
1688 	/* Initialize head and tail pointers to indicate ring is empty */
1689 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2];
1690 	ath12k_hif_write32(ab, reg_base, 0);
1691 	ath12k_hif_write32(ab, reg_base + HAL_REO1_RING_TP_OFFSET, 0);
1692 	*srng->u.dst_ring.hp_addr = 0;
1693 
1694 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
1695 	val = 0;
1696 	if (srng->flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP)
1697 		val |= HAL_REO1_RING_MISC_DATA_TLV_SWAP;
1698 	if (srng->flags & HAL_SRNG_FLAGS_RING_PTR_SWAP)
1699 		val |= HAL_REO1_RING_MISC_HOST_FW_SWAP;
1700 	if (srng->flags & HAL_SRNG_FLAGS_MSI_SWAP)
1701 		val |= HAL_REO1_RING_MISC_MSI_SWAP;
1702 	val |= HAL_REO1_RING_MISC_SRNG_ENABLE;
1703 
1704 	ath12k_hif_write32(ab, reg_base + ath12k_hal_reo1_ring_misc_offset(ab), val);
1705 }
1706 
ath12k_hal_srng_src_hw_init(struct ath12k_base * ab,struct hal_srng * srng)1707 static void ath12k_hal_srng_src_hw_init(struct ath12k_base *ab,
1708 					struct hal_srng *srng)
1709 {
1710 	struct ath12k_hal *hal = &ab->hal;
1711 	u32 val;
1712 	u64 tp_addr;
1713 	u32 reg_base;
1714 
1715 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
1716 
1717 	if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) {
1718 		ath12k_hif_write32(ab, reg_base +
1719 				   HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET(ab),
1720 				   srng->msi_addr);
1721 
1722 		val = u32_encode_bits(((u64)srng->msi_addr >> HAL_ADDR_MSB_REG_SHIFT),
1723 				      HAL_TCL1_RING_MSI1_BASE_MSB_ADDR) |
1724 				      HAL_TCL1_RING_MSI1_BASE_MSB_MSI1_ENABLE;
1725 		ath12k_hif_write32(ab, reg_base +
1726 				       HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET(ab),
1727 				   val);
1728 
1729 		ath12k_hif_write32(ab, reg_base +
1730 				       HAL_TCL1_RING_MSI1_DATA_OFFSET(ab),
1731 				   srng->msi_data);
1732 	}
1733 
1734 	ath12k_hif_write32(ab, reg_base, srng->ring_base_paddr);
1735 
1736 	val = u32_encode_bits(((u64)srng->ring_base_paddr >> HAL_ADDR_MSB_REG_SHIFT),
1737 			      HAL_TCL1_RING_BASE_MSB_RING_BASE_ADDR_MSB) |
1738 	      u32_encode_bits((srng->entry_size * srng->num_entries),
1739 			      HAL_TCL1_RING_BASE_MSB_RING_SIZE);
1740 	ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET(ab), val);
1741 
1742 	val = u32_encode_bits(srng->entry_size, HAL_REO1_RING_ID_ENTRY_SIZE);
1743 	ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET(ab), val);
1744 
1745 	val = u32_encode_bits(srng->intr_timer_thres_us,
1746 			      HAL_TCL1_RING_CONSR_INT_SETUP_IX0_INTR_TMR_THOLD);
1747 
1748 	val |= u32_encode_bits((srng->intr_batch_cntr_thres_entries * srng->entry_size),
1749 			       HAL_TCL1_RING_CONSR_INT_SETUP_IX0_BATCH_COUNTER_THOLD);
1750 
1751 	ath12k_hif_write32(ab,
1752 			   reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET(ab),
1753 			   val);
1754 
1755 	val = 0;
1756 	if (srng->flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
1757 		val |= u32_encode_bits(srng->u.src_ring.low_threshold,
1758 				       HAL_TCL1_RING_CONSR_INT_SETUP_IX1_LOW_THOLD);
1759 	}
1760 	ath12k_hif_write32(ab,
1761 			   reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET(ab),
1762 			   val);
1763 
1764 	if (srng->ring_id != HAL_SRNG_RING_ID_WBM_IDLE_LINK) {
1765 		tp_addr = hal->rdp.paddr +
1766 			  ((unsigned long)srng->u.src_ring.tp_addr -
1767 			   (unsigned long)hal->rdp.vaddr);
1768 		ath12k_hif_write32(ab,
1769 				   reg_base + HAL_TCL1_RING_TP_ADDR_LSB_OFFSET(ab),
1770 				   tp_addr & HAL_ADDR_LSB_REG_MASK);
1771 		ath12k_hif_write32(ab,
1772 				   reg_base + HAL_TCL1_RING_TP_ADDR_MSB_OFFSET(ab),
1773 				   tp_addr >> HAL_ADDR_MSB_REG_SHIFT);
1774 	}
1775 
1776 	/* Initialize head and tail pointers to indicate ring is empty */
1777 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2];
1778 	ath12k_hif_write32(ab, reg_base, 0);
1779 	ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_TP_OFFSET, 0);
1780 	*srng->u.src_ring.tp_addr = 0;
1781 
1782 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
1783 	val = 0;
1784 	if (srng->flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP)
1785 		val |= HAL_TCL1_RING_MISC_DATA_TLV_SWAP;
1786 	if (srng->flags & HAL_SRNG_FLAGS_RING_PTR_SWAP)
1787 		val |= HAL_TCL1_RING_MISC_HOST_FW_SWAP;
1788 	if (srng->flags & HAL_SRNG_FLAGS_MSI_SWAP)
1789 		val |= HAL_TCL1_RING_MISC_MSI_SWAP;
1790 
1791 	/* Loop count is not used for SRC rings */
1792 	val |= HAL_TCL1_RING_MISC_MSI_LOOPCNT_DISABLE;
1793 
1794 	val |= HAL_TCL1_RING_MISC_SRNG_ENABLE;
1795 
1796 	if (srng->ring_id == HAL_SRNG_RING_ID_WBM_IDLE_LINK)
1797 		val |= HAL_TCL1_RING_MISC_MSI_RING_ID_DISABLE;
1798 
1799 	ath12k_hif_write32(ab, reg_base + HAL_TCL1_RING_MISC_OFFSET(ab), val);
1800 }
1801 
ath12k_hal_srng_hw_init(struct ath12k_base * ab,struct hal_srng * srng)1802 static void ath12k_hal_srng_hw_init(struct ath12k_base *ab,
1803 				    struct hal_srng *srng)
1804 {
1805 	if (srng->ring_dir == HAL_SRNG_DIR_SRC)
1806 		ath12k_hal_srng_src_hw_init(ab, srng);
1807 	else
1808 		ath12k_hal_srng_dst_hw_init(ab, srng);
1809 }
1810 
ath12k_hal_srng_get_ring_id(struct ath12k_base * ab,enum hal_ring_type type,int ring_num,int mac_id)1811 static int ath12k_hal_srng_get_ring_id(struct ath12k_base *ab,
1812 				       enum hal_ring_type type,
1813 				       int ring_num, int mac_id)
1814 {
1815 	struct hal_srng_config *srng_config = &ab->hal.srng_config[type];
1816 	int ring_id;
1817 
1818 	if (ring_num >= srng_config->max_rings) {
1819 		ath12k_warn(ab, "invalid ring number :%d\n", ring_num);
1820 		return -EINVAL;
1821 	}
1822 
1823 	ring_id = srng_config->start_ring_id + ring_num;
1824 	if (srng_config->mac_type == ATH12K_HAL_SRNG_PMAC)
1825 		ring_id += mac_id * HAL_SRNG_RINGS_PER_PMAC;
1826 
1827 	if (WARN_ON(ring_id >= HAL_SRNG_RING_ID_MAX))
1828 		return -EINVAL;
1829 
1830 	return ring_id;
1831 }
1832 
ath12k_hal_srng_get_entrysize(struct ath12k_base * ab,u32 ring_type)1833 int ath12k_hal_srng_get_entrysize(struct ath12k_base *ab, u32 ring_type)
1834 {
1835 	struct hal_srng_config *srng_config;
1836 
1837 	if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES))
1838 		return -EINVAL;
1839 
1840 	srng_config = &ab->hal.srng_config[ring_type];
1841 
1842 	return (srng_config->entry_size << 2);
1843 }
1844 
ath12k_hal_srng_get_max_entries(struct ath12k_base * ab,u32 ring_type)1845 int ath12k_hal_srng_get_max_entries(struct ath12k_base *ab, u32 ring_type)
1846 {
1847 	struct hal_srng_config *srng_config;
1848 
1849 	if (WARN_ON(ring_type >= HAL_MAX_RING_TYPES))
1850 		return -EINVAL;
1851 
1852 	srng_config = &ab->hal.srng_config[ring_type];
1853 
1854 	return (srng_config->max_size / srng_config->entry_size);
1855 }
1856 
ath12k_hal_srng_get_params(struct ath12k_base * ab,struct hal_srng * srng,struct hal_srng_params * params)1857 void ath12k_hal_srng_get_params(struct ath12k_base *ab, struct hal_srng *srng,
1858 				struct hal_srng_params *params)
1859 {
1860 	params->ring_base_paddr = srng->ring_base_paddr;
1861 	params->ring_base_vaddr = srng->ring_base_vaddr;
1862 	params->num_entries = srng->num_entries;
1863 	params->intr_timer_thres_us = srng->intr_timer_thres_us;
1864 	params->intr_batch_cntr_thres_entries =
1865 		srng->intr_batch_cntr_thres_entries;
1866 	params->low_threshold = srng->u.src_ring.low_threshold;
1867 	params->msi_addr = srng->msi_addr;
1868 	params->msi2_addr = srng->msi2_addr;
1869 	params->msi_data = srng->msi_data;
1870 	params->msi2_data = srng->msi2_data;
1871 	params->flags = srng->flags;
1872 }
1873 
ath12k_hal_srng_get_hp_addr(struct ath12k_base * ab,struct hal_srng * srng)1874 dma_addr_t ath12k_hal_srng_get_hp_addr(struct ath12k_base *ab,
1875 				       struct hal_srng *srng)
1876 {
1877 	if (!(srng->flags & HAL_SRNG_FLAGS_LMAC_RING))
1878 		return 0;
1879 
1880 	if (srng->ring_dir == HAL_SRNG_DIR_SRC)
1881 		return ab->hal.wrp.paddr +
1882 		       ((unsigned long)srng->u.src_ring.hp_addr -
1883 			(unsigned long)ab->hal.wrp.vaddr);
1884 	else
1885 		return ab->hal.rdp.paddr +
1886 		       ((unsigned long)srng->u.dst_ring.hp_addr -
1887 			 (unsigned long)ab->hal.rdp.vaddr);
1888 }
1889 
ath12k_hal_srng_get_tp_addr(struct ath12k_base * ab,struct hal_srng * srng)1890 dma_addr_t ath12k_hal_srng_get_tp_addr(struct ath12k_base *ab,
1891 				       struct hal_srng *srng)
1892 {
1893 	if (!(srng->flags & HAL_SRNG_FLAGS_LMAC_RING))
1894 		return 0;
1895 
1896 	if (srng->ring_dir == HAL_SRNG_DIR_SRC)
1897 		return ab->hal.rdp.paddr +
1898 		       ((unsigned long)srng->u.src_ring.tp_addr -
1899 			(unsigned long)ab->hal.rdp.vaddr);
1900 	else
1901 		return ab->hal.wrp.paddr +
1902 		       ((unsigned long)srng->u.dst_ring.tp_addr -
1903 			(unsigned long)ab->hal.wrp.vaddr);
1904 }
1905 
ath12k_hal_ce_get_desc_size(enum hal_ce_desc type)1906 u32 ath12k_hal_ce_get_desc_size(enum hal_ce_desc type)
1907 {
1908 	switch (type) {
1909 	case HAL_CE_DESC_SRC:
1910 		return sizeof(struct hal_ce_srng_src_desc);
1911 	case HAL_CE_DESC_DST:
1912 		return sizeof(struct hal_ce_srng_dest_desc);
1913 	case HAL_CE_DESC_DST_STATUS:
1914 		return sizeof(struct hal_ce_srng_dst_status_desc);
1915 	}
1916 
1917 	return 0;
1918 }
1919 
ath12k_hal_ce_src_set_desc(struct hal_ce_srng_src_desc * desc,dma_addr_t paddr,u32 len,u32 id,u8 byte_swap_data)1920 void ath12k_hal_ce_src_set_desc(struct hal_ce_srng_src_desc *desc, dma_addr_t paddr,
1921 				u32 len, u32 id, u8 byte_swap_data)
1922 {
1923 	desc->buffer_addr_low = cpu_to_le32(paddr & HAL_ADDR_LSB_REG_MASK);
1924 	desc->buffer_addr_info =
1925 		le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT),
1926 				 HAL_CE_SRC_DESC_ADDR_INFO_ADDR_HI) |
1927 		le32_encode_bits(byte_swap_data,
1928 				 HAL_CE_SRC_DESC_ADDR_INFO_BYTE_SWAP) |
1929 		le32_encode_bits(0, HAL_CE_SRC_DESC_ADDR_INFO_GATHER) |
1930 		le32_encode_bits(len, HAL_CE_SRC_DESC_ADDR_INFO_LEN);
1931 	desc->meta_info = le32_encode_bits(id, HAL_CE_SRC_DESC_META_INFO_DATA);
1932 }
1933 
ath12k_hal_ce_dst_set_desc(struct hal_ce_srng_dest_desc * desc,dma_addr_t paddr)1934 void ath12k_hal_ce_dst_set_desc(struct hal_ce_srng_dest_desc *desc, dma_addr_t paddr)
1935 {
1936 	desc->buffer_addr_low = cpu_to_le32(paddr & HAL_ADDR_LSB_REG_MASK);
1937 	desc->buffer_addr_info =
1938 		le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT),
1939 				 HAL_CE_DEST_DESC_ADDR_INFO_ADDR_HI);
1940 }
1941 
ath12k_hal_ce_dst_status_get_length(struct hal_ce_srng_dst_status_desc * desc)1942 u32 ath12k_hal_ce_dst_status_get_length(struct hal_ce_srng_dst_status_desc *desc)
1943 {
1944 	u32 len;
1945 
1946 	len = le32_get_bits(READ_ONCE(desc->flags), HAL_CE_DST_STATUS_DESC_FLAGS_LEN);
1947 	desc->flags &= ~cpu_to_le32(HAL_CE_DST_STATUS_DESC_FLAGS_LEN);
1948 
1949 	return len;
1950 }
1951 
ath12k_hal_set_link_desc_addr(struct hal_wbm_link_desc * desc,u32 cookie,dma_addr_t paddr,enum hal_rx_buf_return_buf_manager rbm)1952 void ath12k_hal_set_link_desc_addr(struct hal_wbm_link_desc *desc, u32 cookie,
1953 				   dma_addr_t paddr,
1954 				   enum hal_rx_buf_return_buf_manager rbm)
1955 {
1956 	desc->buf_addr_info.info0 = le32_encode_bits((paddr & HAL_ADDR_LSB_REG_MASK),
1957 						     BUFFER_ADDR_INFO0_ADDR);
1958 	desc->buf_addr_info.info1 =
1959 			le32_encode_bits(((u64)paddr >> HAL_ADDR_MSB_REG_SHIFT),
1960 					 BUFFER_ADDR_INFO1_ADDR) |
1961 			le32_encode_bits(rbm, BUFFER_ADDR_INFO1_RET_BUF_MGR) |
1962 			le32_encode_bits(cookie, BUFFER_ADDR_INFO1_SW_COOKIE);
1963 }
1964 
ath12k_hal_srng_dst_peek(struct ath12k_base * ab,struct hal_srng * srng)1965 void *ath12k_hal_srng_dst_peek(struct ath12k_base *ab, struct hal_srng *srng)
1966 {
1967 	lockdep_assert_held(&srng->lock);
1968 
1969 	if (srng->u.dst_ring.tp != srng->u.dst_ring.cached_hp)
1970 		return (srng->ring_base_vaddr + srng->u.dst_ring.tp);
1971 
1972 	return NULL;
1973 }
1974 
ath12k_hal_srng_dst_get_next_entry(struct ath12k_base * ab,struct hal_srng * srng)1975 void *ath12k_hal_srng_dst_get_next_entry(struct ath12k_base *ab,
1976 					 struct hal_srng *srng)
1977 {
1978 	void *desc;
1979 
1980 	lockdep_assert_held(&srng->lock);
1981 
1982 	if (srng->u.dst_ring.tp == srng->u.dst_ring.cached_hp)
1983 		return NULL;
1984 
1985 	desc = srng->ring_base_vaddr + srng->u.dst_ring.tp;
1986 
1987 	srng->u.dst_ring.tp = (srng->u.dst_ring.tp + srng->entry_size) %
1988 			      srng->ring_size;
1989 
1990 	return desc;
1991 }
1992 
ath12k_hal_srng_dst_num_free(struct ath12k_base * ab,struct hal_srng * srng,bool sync_hw_ptr)1993 int ath12k_hal_srng_dst_num_free(struct ath12k_base *ab, struct hal_srng *srng,
1994 				 bool sync_hw_ptr)
1995 {
1996 	u32 tp, hp;
1997 
1998 	lockdep_assert_held(&srng->lock);
1999 
2000 	tp = srng->u.dst_ring.tp;
2001 
2002 	if (sync_hw_ptr) {
2003 		hp = *srng->u.dst_ring.hp_addr;
2004 		srng->u.dst_ring.cached_hp = hp;
2005 	} else {
2006 		hp = srng->u.dst_ring.cached_hp;
2007 	}
2008 
2009 	if (hp >= tp)
2010 		return (hp - tp) / srng->entry_size;
2011 	else
2012 		return (srng->ring_size - tp + hp) / srng->entry_size;
2013 }
2014 
2015 /* Returns number of available entries in src ring */
ath12k_hal_srng_src_num_free(struct ath12k_base * ab,struct hal_srng * srng,bool sync_hw_ptr)2016 int ath12k_hal_srng_src_num_free(struct ath12k_base *ab, struct hal_srng *srng,
2017 				 bool sync_hw_ptr)
2018 {
2019 	u32 tp, hp;
2020 
2021 	lockdep_assert_held(&srng->lock);
2022 
2023 	hp = srng->u.src_ring.hp;
2024 
2025 	if (sync_hw_ptr) {
2026 		tp = *srng->u.src_ring.tp_addr;
2027 		srng->u.src_ring.cached_tp = tp;
2028 	} else {
2029 		tp = srng->u.src_ring.cached_tp;
2030 	}
2031 
2032 	if (tp > hp)
2033 		return ((tp - hp) / srng->entry_size) - 1;
2034 	else
2035 		return ((srng->ring_size - hp + tp) / srng->entry_size) - 1;
2036 }
2037 
ath12k_hal_srng_src_get_next_entry(struct ath12k_base * ab,struct hal_srng * srng)2038 void *ath12k_hal_srng_src_get_next_entry(struct ath12k_base *ab,
2039 					 struct hal_srng *srng)
2040 {
2041 	void *desc;
2042 	u32 next_hp;
2043 
2044 	lockdep_assert_held(&srng->lock);
2045 
2046 	/* TODO: Using % is expensive, but we have to do this since size of some
2047 	 * SRNG rings is not power of 2 (due to descriptor sizes). Need to see
2048 	 * if separate function is defined for rings having power of 2 ring size
2049 	 * (TCL2SW, REO2SW, SW2RXDMA and CE rings) so that we can avoid the
2050 	 * overhead of % by using mask (with &).
2051 	 */
2052 	next_hp = (srng->u.src_ring.hp + srng->entry_size) % srng->ring_size;
2053 
2054 	if (next_hp == srng->u.src_ring.cached_tp)
2055 		return NULL;
2056 
2057 	desc = srng->ring_base_vaddr + srng->u.src_ring.hp;
2058 	srng->u.src_ring.hp = next_hp;
2059 
2060 	/* TODO: Reap functionality is not used by all rings. If particular
2061 	 * ring does not use reap functionality, we need not update reap_hp
2062 	 * with next_hp pointer. Need to make sure a separate function is used
2063 	 * before doing any optimization by removing below code updating
2064 	 * reap_hp.
2065 	 */
2066 	srng->u.src_ring.reap_hp = next_hp;
2067 
2068 	return desc;
2069 }
2070 
ath12k_hal_srng_src_reap_next(struct ath12k_base * ab,struct hal_srng * srng)2071 void *ath12k_hal_srng_src_reap_next(struct ath12k_base *ab,
2072 				    struct hal_srng *srng)
2073 {
2074 	void *desc;
2075 	u32 next_reap_hp;
2076 
2077 	lockdep_assert_held(&srng->lock);
2078 
2079 	next_reap_hp = (srng->u.src_ring.reap_hp + srng->entry_size) %
2080 		       srng->ring_size;
2081 
2082 	if (next_reap_hp == srng->u.src_ring.cached_tp)
2083 		return NULL;
2084 
2085 	desc = srng->ring_base_vaddr + next_reap_hp;
2086 	srng->u.src_ring.reap_hp = next_reap_hp;
2087 
2088 	return desc;
2089 }
2090 
ath12k_hal_srng_src_get_next_reaped(struct ath12k_base * ab,struct hal_srng * srng)2091 void *ath12k_hal_srng_src_get_next_reaped(struct ath12k_base *ab,
2092 					  struct hal_srng *srng)
2093 {
2094 	void *desc;
2095 
2096 	lockdep_assert_held(&srng->lock);
2097 
2098 	if (srng->u.src_ring.hp == srng->u.src_ring.reap_hp)
2099 		return NULL;
2100 
2101 	desc = srng->ring_base_vaddr + srng->u.src_ring.hp;
2102 	srng->u.src_ring.hp = (srng->u.src_ring.hp + srng->entry_size) %
2103 			      srng->ring_size;
2104 
2105 	return desc;
2106 }
2107 
ath12k_hal_srng_access_begin(struct ath12k_base * ab,struct hal_srng * srng)2108 void ath12k_hal_srng_access_begin(struct ath12k_base *ab, struct hal_srng *srng)
2109 {
2110 	u32 hp;
2111 
2112 	lockdep_assert_held(&srng->lock);
2113 
2114 	if (srng->ring_dir == HAL_SRNG_DIR_SRC) {
2115 		srng->u.src_ring.cached_tp =
2116 			*(volatile u32 *)srng->u.src_ring.tp_addr;
2117 	} else {
2118 		hp = READ_ONCE(*srng->u.dst_ring.hp_addr);
2119 
2120 		if (hp != srng->u.dst_ring.cached_hp) {
2121 			srng->u.dst_ring.cached_hp = hp;
2122 			/* Make sure descriptor is read after the head
2123 			 * pointer.
2124 			 */
2125 			dma_rmb();
2126 		}
2127 	}
2128 }
2129 
2130 /* Update cached ring head/tail pointers to HW. ath12k_hal_srng_access_begin()
2131  * should have been called before this.
2132  */
ath12k_hal_srng_access_end(struct ath12k_base * ab,struct hal_srng * srng)2133 void ath12k_hal_srng_access_end(struct ath12k_base *ab, struct hal_srng *srng)
2134 {
2135 	lockdep_assert_held(&srng->lock);
2136 
2137 	if (srng->flags & HAL_SRNG_FLAGS_LMAC_RING) {
2138 		/* For LMAC rings, ring pointer updates are done through FW and
2139 		 * hence written to a shared memory location that is read by FW
2140 		 */
2141 		if (srng->ring_dir == HAL_SRNG_DIR_SRC) {
2142 			srng->u.src_ring.last_tp =
2143 				*(volatile u32 *)srng->u.src_ring.tp_addr;
2144 			/* Make sure descriptor is written before updating the
2145 			 * head pointer.
2146 			 */
2147 			dma_wmb();
2148 			WRITE_ONCE(*srng->u.src_ring.hp_addr, srng->u.src_ring.hp);
2149 		} else {
2150 			srng->u.dst_ring.last_hp = *srng->u.dst_ring.hp_addr;
2151 			/* Make sure descriptor is read before updating the
2152 			 * tail pointer.
2153 			 */
2154 			dma_mb();
2155 			WRITE_ONCE(*srng->u.dst_ring.tp_addr, srng->u.dst_ring.tp);
2156 		}
2157 	} else {
2158 		if (srng->ring_dir == HAL_SRNG_DIR_SRC) {
2159 			srng->u.src_ring.last_tp =
2160 				*(volatile u32 *)srng->u.src_ring.tp_addr;
2161 			/* Assume implementation use an MMIO write accessor
2162 			 * which has the required wmb() so that the descriptor
2163 			 * is written before the updating the head pointer.
2164 			 */
2165 			ath12k_hif_write32(ab,
2166 					   (unsigned long)srng->u.src_ring.hp_addr -
2167 					   (unsigned long)ab->mem,
2168 					   srng->u.src_ring.hp);
2169 		} else {
2170 			srng->u.dst_ring.last_hp = *srng->u.dst_ring.hp_addr;
2171 			/* Make sure descriptor is read before updating the
2172 			 * tail pointer.
2173 			 */
2174 			mb();
2175 			ath12k_hif_write32(ab,
2176 					   (unsigned long)srng->u.dst_ring.tp_addr -
2177 					   (unsigned long)ab->mem,
2178 					   srng->u.dst_ring.tp);
2179 		}
2180 	}
2181 
2182 	srng->timestamp = jiffies;
2183 }
2184 
ath12k_hal_setup_link_idle_list(struct ath12k_base * ab,struct hal_wbm_idle_scatter_list * sbuf,u32 nsbufs,u32 tot_link_desc,u32 end_offset)2185 void ath12k_hal_setup_link_idle_list(struct ath12k_base *ab,
2186 				     struct hal_wbm_idle_scatter_list *sbuf,
2187 				     u32 nsbufs, u32 tot_link_desc,
2188 				     u32 end_offset)
2189 {
2190 	struct ath12k_buffer_addr *link_addr;
2191 	int i;
2192 	u32 reg_scatter_buf_sz = HAL_WBM_IDLE_SCATTER_BUF_SIZE / 64;
2193 	u32 val;
2194 
2195 	link_addr = (void *)sbuf[0].vaddr + HAL_WBM_IDLE_SCATTER_BUF_SIZE;
2196 
2197 	for (i = 1; i < nsbufs; i++) {
2198 		link_addr->info0 = cpu_to_le32(sbuf[i].paddr & HAL_ADDR_LSB_REG_MASK);
2199 
2200 		link_addr->info1 =
2201 			le32_encode_bits((u64)sbuf[i].paddr >> HAL_ADDR_MSB_REG_SHIFT,
2202 					 HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) |
2203 			le32_encode_bits(BASE_ADDR_MATCH_TAG_VAL,
2204 					 HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG);
2205 
2206 		link_addr = (void *)sbuf[i].vaddr +
2207 			     HAL_WBM_IDLE_SCATTER_BUF_SIZE;
2208 	}
2209 
2210 	val = u32_encode_bits(reg_scatter_buf_sz, HAL_WBM_SCATTER_BUFFER_SIZE) |
2211 	      u32_encode_bits(0x1, HAL_WBM_LINK_DESC_IDLE_LIST_MODE);
2212 
2213 	ath12k_hif_write32(ab,
2214 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2215 			   HAL_WBM_R0_IDLE_LIST_CONTROL_ADDR(ab),
2216 			   val);
2217 
2218 	val = u32_encode_bits(reg_scatter_buf_sz * nsbufs,
2219 			      HAL_WBM_SCATTER_RING_SIZE_OF_IDLE_LINK_DESC_LIST);
2220 	ath12k_hif_write32(ab,
2221 			   HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_SIZE_ADDR(ab),
2222 			   val);
2223 
2224 	val = u32_encode_bits(sbuf[0].paddr & HAL_ADDR_LSB_REG_MASK,
2225 			      BUFFER_ADDR_INFO0_ADDR);
2226 	ath12k_hif_write32(ab,
2227 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2228 			   HAL_WBM_SCATTERED_RING_BASE_LSB(ab),
2229 			   val);
2230 
2231 	val = u32_encode_bits(BASE_ADDR_MATCH_TAG_VAL,
2232 			      HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_MATCH_TAG) |
2233 	      u32_encode_bits((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT,
2234 			      HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32);
2235 	ath12k_hif_write32(ab,
2236 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2237 			   HAL_WBM_SCATTERED_RING_BASE_MSB(ab),
2238 			   val);
2239 
2240 	/* Setup head and tail pointers for the idle list */
2241 	val = u32_encode_bits(sbuf[nsbufs - 1].paddr, BUFFER_ADDR_INFO0_ADDR);
2242 	ath12k_hif_write32(ab,
2243 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2244 			   HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0(ab),
2245 			   val);
2246 
2247 	val = u32_encode_bits(((u64)sbuf[nsbufs - 1].paddr >> HAL_ADDR_MSB_REG_SHIFT),
2248 			      HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) |
2249 	       u32_encode_bits((end_offset >> 2),
2250 			       HAL_WBM_SCATTERED_DESC_HEAD_P_OFFSET_IX1);
2251 	ath12k_hif_write32(ab,
2252 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2253 			   HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX1(ab),
2254 			   val);
2255 
2256 	val = u32_encode_bits(sbuf[0].paddr, BUFFER_ADDR_INFO0_ADDR);
2257 	ath12k_hif_write32(ab,
2258 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2259 			   HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0(ab),
2260 			   val);
2261 
2262 	val = u32_encode_bits(sbuf[0].paddr, BUFFER_ADDR_INFO0_ADDR);
2263 	ath12k_hif_write32(ab,
2264 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2265 			   HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX0(ab),
2266 			   val);
2267 
2268 	val = u32_encode_bits(((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT),
2269 			      HAL_WBM_SCATTERED_DESC_MSB_BASE_ADDR_39_32) |
2270 	      u32_encode_bits(0, HAL_WBM_SCATTERED_DESC_TAIL_P_OFFSET_IX1);
2271 	ath12k_hif_write32(ab,
2272 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2273 			   HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX1(ab),
2274 			   val);
2275 
2276 	val = 2 * tot_link_desc;
2277 	ath12k_hif_write32(ab,
2278 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2279 			   HAL_WBM_SCATTERED_DESC_PTR_HP_ADDR(ab),
2280 			   val);
2281 
2282 	/* Enable the SRNG */
2283 	val = u32_encode_bits(1, HAL_WBM_IDLE_LINK_RING_MISC_SRNG_ENABLE) |
2284 	      u32_encode_bits(1, HAL_WBM_IDLE_LINK_RING_MISC_RIND_ID_DISABLE);
2285 	ath12k_hif_write32(ab,
2286 			   HAL_SEQ_WCSS_UMAC_WBM_REG +
2287 			   HAL_WBM_IDLE_LINK_RING_MISC_ADDR(ab),
2288 			   val);
2289 }
2290 
ath12k_hal_srng_setup(struct ath12k_base * ab,enum hal_ring_type type,int ring_num,int mac_id,struct hal_srng_params * params)2291 int ath12k_hal_srng_setup(struct ath12k_base *ab, enum hal_ring_type type,
2292 			  int ring_num, int mac_id,
2293 			  struct hal_srng_params *params)
2294 {
2295 	struct ath12k_hal *hal = &ab->hal;
2296 	struct hal_srng_config *srng_config = &ab->hal.srng_config[type];
2297 	struct hal_srng *srng;
2298 	int ring_id;
2299 	u32 idx;
2300 	int i;
2301 	u32 reg_base;
2302 
2303 	ring_id = ath12k_hal_srng_get_ring_id(ab, type, ring_num, mac_id);
2304 	if (ring_id < 0)
2305 		return ring_id;
2306 
2307 	srng = &hal->srng_list[ring_id];
2308 
2309 	srng->ring_id = ring_id;
2310 	srng->ring_dir = srng_config->ring_dir;
2311 	srng->ring_base_paddr = params->ring_base_paddr;
2312 	srng->ring_base_vaddr = params->ring_base_vaddr;
2313 	srng->entry_size = srng_config->entry_size;
2314 	srng->num_entries = params->num_entries;
2315 	srng->ring_size = srng->entry_size * srng->num_entries;
2316 	srng->intr_batch_cntr_thres_entries =
2317 				params->intr_batch_cntr_thres_entries;
2318 	srng->intr_timer_thres_us = params->intr_timer_thres_us;
2319 	srng->flags = params->flags;
2320 	srng->msi_addr = params->msi_addr;
2321 	srng->msi2_addr = params->msi2_addr;
2322 	srng->msi_data = params->msi_data;
2323 	srng->msi2_data = params->msi2_data;
2324 	srng->initialized = 1;
2325 	spin_lock_init(&srng->lock);
2326 	lockdep_set_class(&srng->lock, &srng->lock_key);
2327 
2328 	for (i = 0; i < HAL_SRNG_NUM_REG_GRP; i++) {
2329 		srng->hwreg_base[i] = srng_config->reg_start[i] +
2330 				      (ring_num * srng_config->reg_size[i]);
2331 	}
2332 
2333 	memset(srng->ring_base_vaddr, 0,
2334 	       (srng->entry_size * srng->num_entries) << 2);
2335 
2336 	reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2];
2337 
2338 	if (srng->ring_dir == HAL_SRNG_DIR_SRC) {
2339 		srng->u.src_ring.hp = 0;
2340 		srng->u.src_ring.cached_tp = 0;
2341 		srng->u.src_ring.reap_hp = srng->ring_size - srng->entry_size;
2342 		srng->u.src_ring.tp_addr = (void *)(hal->rdp.vaddr + ring_id);
2343 		srng->u.src_ring.low_threshold = params->low_threshold *
2344 						 srng->entry_size;
2345 		if (srng_config->mac_type == ATH12K_HAL_SRNG_UMAC) {
2346 			if (!ab->hw_params->supports_shadow_regs)
2347 				srng->u.src_ring.hp_addr =
2348 					(u32 *)((unsigned long)ab->mem + reg_base);
2349 			else
2350 				ath12k_dbg(ab, ATH12K_DBG_HAL,
2351 					   "hal type %d ring_num %d reg_base 0x%x shadow 0x%lx\n",
2352 					   type, ring_num,
2353 					   reg_base,
2354 					   (unsigned long)srng->u.src_ring.hp_addr -
2355 					   (unsigned long)ab->mem);
2356 		} else {
2357 			idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START;
2358 			srng->u.src_ring.hp_addr = (void *)(hal->wrp.vaddr +
2359 						   idx);
2360 			srng->flags |= HAL_SRNG_FLAGS_LMAC_RING;
2361 		}
2362 	} else {
2363 		/* During initialization loop count in all the descriptors
2364 		 * will be set to zero, and HW will set it to 1 on completing
2365 		 * descriptor update in first loop, and increments it by 1 on
2366 		 * subsequent loops (loop count wraps around after reaching
2367 		 * 0xffff). The 'loop_cnt' in SW ring state is the expected
2368 		 * loop count in descriptors updated by HW (to be processed
2369 		 * by SW).
2370 		 */
2371 		srng->u.dst_ring.loop_cnt = 1;
2372 		srng->u.dst_ring.tp = 0;
2373 		srng->u.dst_ring.cached_hp = 0;
2374 		srng->u.dst_ring.hp_addr = (void *)(hal->rdp.vaddr + ring_id);
2375 		if (srng_config->mac_type == ATH12K_HAL_SRNG_UMAC) {
2376 			if (!ab->hw_params->supports_shadow_regs)
2377 				srng->u.dst_ring.tp_addr =
2378 					(u32 *)((unsigned long)ab->mem + reg_base +
2379 					(HAL_REO1_RING_TP - HAL_REO1_RING_HP));
2380 			else
2381 				ath12k_dbg(ab, ATH12K_DBG_HAL,
2382 					   "type %d ring_num %d target_reg 0x%x shadow 0x%lx\n",
2383 					   type, ring_num,
2384 					   reg_base + HAL_REO1_RING_TP - HAL_REO1_RING_HP,
2385 					   (unsigned long)srng->u.dst_ring.tp_addr -
2386 					   (unsigned long)ab->mem);
2387 		} else {
2388 			/* For PMAC & DMAC rings, tail pointer updates will be done
2389 			 * through FW by writing to a shared memory location
2390 			 */
2391 			idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START;
2392 			srng->u.dst_ring.tp_addr = (void *)(hal->wrp.vaddr +
2393 						   idx);
2394 			srng->flags |= HAL_SRNG_FLAGS_LMAC_RING;
2395 		}
2396 	}
2397 
2398 	if (srng_config->mac_type != ATH12K_HAL_SRNG_UMAC)
2399 		return ring_id;
2400 
2401 	ath12k_hal_srng_hw_init(ab, srng);
2402 
2403 	if (type == HAL_CE_DST) {
2404 		srng->u.dst_ring.max_buffer_length = params->max_buffer_len;
2405 		ath12k_hal_ce_dst_setup(ab, srng, ring_num);
2406 	}
2407 
2408 	return ring_id;
2409 }
2410 
ath12k_hal_srng_update_hp_tp_addr(struct ath12k_base * ab,int shadow_cfg_idx,enum hal_ring_type ring_type,int ring_num)2411 static void ath12k_hal_srng_update_hp_tp_addr(struct ath12k_base *ab,
2412 					      int shadow_cfg_idx,
2413 					      enum hal_ring_type ring_type,
2414 					      int ring_num)
2415 {
2416 	struct hal_srng *srng;
2417 	struct ath12k_hal *hal = &ab->hal;
2418 	int ring_id;
2419 	struct hal_srng_config *srng_config = &hal->srng_config[ring_type];
2420 
2421 	ring_id = ath12k_hal_srng_get_ring_id(ab, ring_type, ring_num, 0);
2422 	if (ring_id < 0)
2423 		return;
2424 
2425 	srng = &hal->srng_list[ring_id];
2426 
2427 	if (srng_config->ring_dir == HAL_SRNG_DIR_DST)
2428 		srng->u.dst_ring.tp_addr = (u32 *)(HAL_SHADOW_REG(shadow_cfg_idx) +
2429 						   (unsigned long)ab->mem);
2430 	else
2431 		srng->u.src_ring.hp_addr = (u32 *)(HAL_SHADOW_REG(shadow_cfg_idx) +
2432 						   (unsigned long)ab->mem);
2433 }
2434 
ath12k_hal_srng_update_shadow_config(struct ath12k_base * ab,enum hal_ring_type ring_type,int ring_num)2435 int ath12k_hal_srng_update_shadow_config(struct ath12k_base *ab,
2436 					 enum hal_ring_type ring_type,
2437 					 int ring_num)
2438 {
2439 	struct ath12k_hal *hal = &ab->hal;
2440 	struct hal_srng_config *srng_config = &hal->srng_config[ring_type];
2441 	int shadow_cfg_idx = hal->num_shadow_reg_configured;
2442 	u32 target_reg;
2443 
2444 	if (shadow_cfg_idx >= HAL_SHADOW_NUM_REGS)
2445 		return -EINVAL;
2446 
2447 	hal->num_shadow_reg_configured++;
2448 
2449 	target_reg = srng_config->reg_start[HAL_HP_OFFSET_IN_REG_START];
2450 	target_reg += srng_config->reg_size[HAL_HP_OFFSET_IN_REG_START] *
2451 		ring_num;
2452 
2453 	/* For destination ring, shadow the TP */
2454 	if (srng_config->ring_dir == HAL_SRNG_DIR_DST)
2455 		target_reg += HAL_OFFSET_FROM_HP_TO_TP;
2456 
2457 	hal->shadow_reg_addr[shadow_cfg_idx] = target_reg;
2458 
2459 	/* update hp/tp addr to hal structure*/
2460 	ath12k_hal_srng_update_hp_tp_addr(ab, shadow_cfg_idx, ring_type,
2461 					  ring_num);
2462 
2463 	ath12k_dbg(ab, ATH12K_DBG_HAL,
2464 		   "target_reg %x, shadow reg 0x%x shadow_idx 0x%x, ring_type %d, ring num %d",
2465 		  target_reg,
2466 		  HAL_SHADOW_REG(shadow_cfg_idx),
2467 		  shadow_cfg_idx,
2468 		  ring_type, ring_num);
2469 
2470 	return 0;
2471 }
2472 
ath12k_hal_srng_shadow_config(struct ath12k_base * ab)2473 void ath12k_hal_srng_shadow_config(struct ath12k_base *ab)
2474 {
2475 	struct ath12k_hal *hal = &ab->hal;
2476 	int ring_type, ring_num;
2477 
2478 	/* update all the non-CE srngs. */
2479 	for (ring_type = 0; ring_type < HAL_MAX_RING_TYPES; ring_type++) {
2480 		struct hal_srng_config *srng_config = &hal->srng_config[ring_type];
2481 
2482 		if (ring_type == HAL_CE_SRC ||
2483 		    ring_type == HAL_CE_DST ||
2484 			ring_type == HAL_CE_DST_STATUS)
2485 			continue;
2486 
2487 		if (srng_config->mac_type == ATH12K_HAL_SRNG_DMAC ||
2488 		    srng_config->mac_type == ATH12K_HAL_SRNG_PMAC)
2489 			continue;
2490 
2491 		for (ring_num = 0; ring_num < srng_config->max_rings; ring_num++)
2492 			ath12k_hal_srng_update_shadow_config(ab, ring_type, ring_num);
2493 	}
2494 }
2495 
ath12k_hal_srng_get_shadow_config(struct ath12k_base * ab,u32 ** cfg,u32 * len)2496 void ath12k_hal_srng_get_shadow_config(struct ath12k_base *ab,
2497 				       u32 **cfg, u32 *len)
2498 {
2499 	struct ath12k_hal *hal = &ab->hal;
2500 
2501 	*len = hal->num_shadow_reg_configured;
2502 	*cfg = hal->shadow_reg_addr;
2503 }
2504 
ath12k_hal_srng_shadow_update_hp_tp(struct ath12k_base * ab,struct hal_srng * srng)2505 void ath12k_hal_srng_shadow_update_hp_tp(struct ath12k_base *ab,
2506 					 struct hal_srng *srng)
2507 {
2508 	lockdep_assert_held(&srng->lock);
2509 
2510 	/* check whether the ring is empty. Update the shadow
2511 	 * HP only when then ring isn't' empty.
2512 	 */
2513 	if (srng->ring_dir == HAL_SRNG_DIR_SRC &&
2514 	    *srng->u.src_ring.tp_addr != srng->u.src_ring.hp)
2515 		ath12k_hal_srng_access_end(ab, srng);
2516 }
2517 
ath12k_hal_register_srng_lock_keys(struct ath12k_base * ab)2518 static void ath12k_hal_register_srng_lock_keys(struct ath12k_base *ab)
2519 {
2520 	struct ath12k_hal *hal = &ab->hal;
2521 	u32 ring_id;
2522 
2523 	for (ring_id = 0; ring_id < HAL_SRNG_RING_ID_MAX; ring_id++)
2524 		lockdep_register_key(&hal->srng_list[ring_id].lock_key);
2525 }
2526 
ath12k_hal_unregister_srng_lock_keys(struct ath12k_base * ab)2527 static void ath12k_hal_unregister_srng_lock_keys(struct ath12k_base *ab)
2528 {
2529 	struct ath12k_hal *hal = &ab->hal;
2530 	u32 ring_id;
2531 
2532 	for (ring_id = 0; ring_id < HAL_SRNG_RING_ID_MAX; ring_id++)
2533 		lockdep_unregister_key(&hal->srng_list[ring_id].lock_key);
2534 }
2535 
ath12k_hal_srng_init(struct ath12k_base * ab)2536 int ath12k_hal_srng_init(struct ath12k_base *ab)
2537 {
2538 	struct ath12k_hal *hal = &ab->hal;
2539 	int ret;
2540 
2541 	memset(hal, 0, sizeof(*hal));
2542 
2543 	ret = ab->hw_params->hal_ops->create_srng_config(ab);
2544 	if (ret)
2545 		goto err_hal;
2546 
2547 	ret = ath12k_hal_alloc_cont_rdp(ab);
2548 	if (ret)
2549 		goto err_hal;
2550 
2551 	ret = ath12k_hal_alloc_cont_wrp(ab);
2552 	if (ret)
2553 		goto err_free_cont_rdp;
2554 
2555 	ath12k_hal_register_srng_lock_keys(ab);
2556 
2557 	return 0;
2558 
2559 err_free_cont_rdp:
2560 	ath12k_hal_free_cont_rdp(ab);
2561 
2562 err_hal:
2563 	return ret;
2564 }
2565 
ath12k_hal_srng_deinit(struct ath12k_base * ab)2566 void ath12k_hal_srng_deinit(struct ath12k_base *ab)
2567 {
2568 	struct ath12k_hal *hal = &ab->hal;
2569 
2570 	ath12k_hal_unregister_srng_lock_keys(ab);
2571 	ath12k_hal_free_cont_rdp(ab);
2572 	ath12k_hal_free_cont_wrp(ab);
2573 	kfree(hal->srng_config);
2574 	hal->srng_config = NULL;
2575 }
2576 
ath12k_hal_dump_srng_stats(struct ath12k_base * ab)2577 void ath12k_hal_dump_srng_stats(struct ath12k_base *ab)
2578 {
2579 	struct hal_srng *srng;
2580 	struct ath12k_ext_irq_grp *irq_grp;
2581 	struct ath12k_ce_pipe *ce_pipe;
2582 	int i;
2583 
2584 	ath12k_err(ab, "Last interrupt received for each CE:\n");
2585 	for (i = 0; i < ab->hw_params->ce_count; i++) {
2586 		ce_pipe = &ab->ce.ce_pipe[i];
2587 
2588 		if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR)
2589 			continue;
2590 
2591 		ath12k_err(ab, "CE_id %d pipe_num %d %ums before\n",
2592 			   i, ce_pipe->pipe_num,
2593 			   jiffies_to_msecs(jiffies - ce_pipe->timestamp));
2594 	}
2595 
2596 	ath12k_err(ab, "\nLast interrupt received for each group:\n");
2597 	for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) {
2598 		irq_grp = &ab->ext_irq_grp[i];
2599 		ath12k_err(ab, "group_id %d %ums before\n",
2600 			   irq_grp->grp_id,
2601 			   jiffies_to_msecs(jiffies - irq_grp->timestamp));
2602 	}
2603 
2604 	for (i = 0; i < HAL_SRNG_RING_ID_MAX; i++) {
2605 		srng = &ab->hal.srng_list[i];
2606 
2607 		if (!srng->initialized)
2608 			continue;
2609 
2610 		if (srng->ring_dir == HAL_SRNG_DIR_SRC)
2611 			ath12k_err(ab,
2612 				   "src srng id %u hp %u, reap_hp %u, cur tp %u, cached tp %u last tp %u napi processed before %ums\n",
2613 				   srng->ring_id, srng->u.src_ring.hp,
2614 				   srng->u.src_ring.reap_hp,
2615 				   *srng->u.src_ring.tp_addr, srng->u.src_ring.cached_tp,
2616 				   srng->u.src_ring.last_tp,
2617 				   jiffies_to_msecs(jiffies - srng->timestamp));
2618 		else if (srng->ring_dir == HAL_SRNG_DIR_DST)
2619 			ath12k_err(ab,
2620 				   "dst srng id %u tp %u, cur hp %u, cached hp %u last hp %u napi processed before %ums\n",
2621 				   srng->ring_id, srng->u.dst_ring.tp,
2622 				   *srng->u.dst_ring.hp_addr,
2623 				   srng->u.dst_ring.cached_hp,
2624 				   srng->u.dst_ring.last_hp,
2625 				   jiffies_to_msecs(jiffies - srng->timestamp));
2626 	}
2627 }
2628