1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/* Copyright(c) 2023 Realtek Corporation
3 */
4
5#include "chan.h"
6#include "debug.h"
7#include "mac.h"
8#include "phy.h"
9#include "reg.h"
10#include "rtw8922a.h"
11#include "rtw8922a_rfk.h"
12
13static void rtw8922a_tssi_cont_en(struct rtw89_dev *rtwdev, bool en,
14 enum rtw89_rf_path path)
15{
16 static const u32 tssi_trk_man[2] = {R_TSSI_PWR_P0, R_TSSI_PWR_P1};
17
18 if (en)
19 rtw89_phy_write32_mask(rtwdev, addr: tssi_trk_man[path], B_TSSI_CONT_EN, data: 0);
20 else
21 rtw89_phy_write32_mask(rtwdev, addr: tssi_trk_man[path], B_TSSI_CONT_EN, data: 1);
22}
23
24void rtw8922a_tssi_cont_en_phyidx(struct rtw89_dev *rtwdev, bool en, u8 phy_idx)
25{
26 if (rtwdev->mlo_dbcc_mode == MLO_1_PLUS_1_1RF) {
27 if (phy_idx == RTW89_PHY_0)
28 rtw8922a_tssi_cont_en(rtwdev, en, path: RF_PATH_A);
29 else
30 rtw8922a_tssi_cont_en(rtwdev, en, path: RF_PATH_B);
31 } else {
32 rtw8922a_tssi_cont_en(rtwdev, en, path: RF_PATH_A);
33 rtw8922a_tssi_cont_en(rtwdev, en, path: RF_PATH_B);
34 }
35}
36
37static
38void rtw8922a_ctl_band_ch_bw(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy,
39 u8 central_ch, enum rtw89_band band,
40 enum rtw89_bandwidth bw)
41{
42 const u32 rf_addr[2] = {RR_CFGCH, RR_CFGCH_V1};
43 struct rtw89_hal *hal = &rtwdev->hal;
44 u32 rf_reg[RF_PATH_NUM_8922A][2];
45 u8 synpath;
46 u32 rf18;
47 u8 kpath;
48 u8 path;
49 u8 i;
50
51 rf_reg[RF_PATH_A][0] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_A, addr: rf_addr[0], RFREG_MASK);
52 rf_reg[RF_PATH_A][1] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_A, addr: rf_addr[1], RFREG_MASK);
53 rf_reg[RF_PATH_B][0] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_B, addr: rf_addr[0], RFREG_MASK);
54 rf_reg[RF_PATH_B][1] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_B, addr: rf_addr[1], RFREG_MASK);
55
56 kpath = rtw89_phy_get_kpath(rtwdev, phy_idx: phy);
57 synpath = rtw89_phy_get_syn_sel(rtwdev, phy_idx: phy);
58
59 rf18 = rtw89_read_rf(rtwdev, rf_path: synpath, RR_CFGCH, RFREG_MASK);
60 if (rf18 == INV_RF_DATA) {
61 rtw89_warn(rtwdev, "[RFK] Invalid RF18 value\n");
62 return;
63 }
64
65 for (path = 0; path < RF_PATH_NUM_8922A; path++) {
66 if (!(kpath & BIT(path)))
67 continue;
68
69 for (i = 0; i < 2; i++) {
70 if (rf_reg[path][i] == INV_RF_DATA) {
71 rtw89_warn(rtwdev,
72 "[RFK] Invalid RF_0x18 for Path-%d\n", path);
73 return;
74 }
75
76 rf_reg[path][i] &= ~(RR_CFGCH_BAND1 | RR_CFGCH_BW |
77 RR_CFGCH_BAND0 | RR_CFGCH_CH);
78 rf_reg[path][i] |= u32_encode_bits(v: central_ch, RR_CFGCH_CH);
79
80 if (band == RTW89_BAND_2G)
81 rtw89_write_rf(rtwdev, rf_path: path, RR_SMD, RR_VCO2, data: 0x0);
82 else
83 rtw89_write_rf(rtwdev, rf_path: path, RR_SMD, RR_VCO2, data: 0x1);
84
85 switch (band) {
86 case RTW89_BAND_2G:
87 default:
88 break;
89 case RTW89_BAND_5G:
90 rf_reg[path][i] |=
91 u32_encode_bits(CFGCH_BAND1_5G, RR_CFGCH_BAND1) |
92 u32_encode_bits(CFGCH_BAND0_5G, RR_CFGCH_BAND0);
93 break;
94 case RTW89_BAND_6G:
95 rf_reg[path][i] |=
96 u32_encode_bits(CFGCH_BAND1_6G, RR_CFGCH_BAND1) |
97 u32_encode_bits(CFGCH_BAND0_6G, RR_CFGCH_BAND0);
98 break;
99 }
100
101 switch (bw) {
102 case RTW89_CHANNEL_WIDTH_5:
103 case RTW89_CHANNEL_WIDTH_10:
104 case RTW89_CHANNEL_WIDTH_20:
105 default:
106 break;
107 case RTW89_CHANNEL_WIDTH_40:
108 rf_reg[path][i] |=
109 u32_encode_bits(CFGCH_BW_V2_40M, RR_CFGCH_BW_V2);
110 break;
111 case RTW89_CHANNEL_WIDTH_80:
112 rf_reg[path][i] |=
113 u32_encode_bits(CFGCH_BW_V2_80M, RR_CFGCH_BW_V2);
114 break;
115 case RTW89_CHANNEL_WIDTH_160:
116 rf_reg[path][i] |=
117 u32_encode_bits(CFGCH_BW_V2_160M, RR_CFGCH_BW_V2);
118 break;
119 case RTW89_CHANNEL_WIDTH_320:
120 rf_reg[path][i] |=
121 u32_encode_bits(CFGCH_BW_V2_320M, RR_CFGCH_BW_V2);
122 break;
123 }
124
125 rtw89_write_rf(rtwdev, rf_path: path, addr: rf_addr[i],
126 RFREG_MASK, data: rf_reg[path][i]);
127 fsleep(usecs: 100);
128 }
129 }
130
131 if (hal->cv != CHIP_CAV)
132 return;
133
134 if (band == RTW89_BAND_2G) {
135 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x80000);
136 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWA, RFREG_MASK, data: 0x00003);
137 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD1, RFREG_MASK, data: 0x0c990);
138 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD0, RFREG_MASK, data: 0xebe38);
139 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x00000);
140 } else {
141 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x80000);
142 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWA, RFREG_MASK, data: 0x00003);
143 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD1, RFREG_MASK, data: 0x0c190);
144 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD0, RFREG_MASK, data: 0xebe38);
145 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x00000);
146 }
147}
148
149void rtw8922a_set_channel_rf(struct rtw89_dev *rtwdev,
150 const struct rtw89_chan *chan,
151 enum rtw89_phy_idx phy_idx)
152{
153 rtw8922a_ctl_band_ch_bw(rtwdev, phy: phy_idx, central_ch: chan->channel, band: chan->band_type,
154 bw: chan->band_width);
155}
156
157enum _rf_syn_pow {
158 RF_SYN_ON_OFF,
159 RF_SYN_OFF_ON,
160 RF_SYN_ALLON,
161 RF_SYN_ALLOFF,
162};
163
164static void rtw8922a_set_syn01_cav(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
165{
166 if (syn == RF_SYN_ALLON) {
167 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
168 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x2);
169 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
170
171 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
172 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x2);
173 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
174 } else if (syn == RF_SYN_ON_OFF) {
175 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
176 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x2);
177 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
178
179 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x0);
180 } else if (syn == RF_SYN_OFF_ON) {
181 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x0);
182
183 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
184 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x2);
185 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
186 } else if (syn == RF_SYN_ALLOFF) {
187 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x0);
188 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x0);
189 }
190}
191
192static void rtw8922a_set_syn01_cbv(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
193{
194 if (syn == RF_SYN_ALLON) {
195 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0xf);
196 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0xf);
197 } else if (syn == RF_SYN_ON_OFF) {
198 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0xf);
199 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0x0);
200 } else if (syn == RF_SYN_OFF_ON) {
201 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0x0);
202 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0xf);
203 } else if (syn == RF_SYN_ALLOFF) {
204 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0x0);
205 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0x0);
206 }
207}
208
209static void rtw8922a_set_syn01(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
210{
211 struct rtw89_hal *hal = &rtwdev->hal;
212
213 rtw89_debug(rtwdev, mask: RTW89_DBG_RFK, fmt: "SYN config=%d\n", syn);
214
215 if (hal->cv == CHIP_CAV)
216 rtw8922a_set_syn01_cav(rtwdev, syn);
217 else
218 rtw8922a_set_syn01_cbv(rtwdev, syn);
219}
220
221static void rtw8922a_chlk_ktbl_sel(struct rtw89_dev *rtwdev, u8 kpath, u8 idx)
222{
223 u32 tmp;
224
225 if (idx > 2) {
226 rtw89_warn(rtwdev, "[DBCC][ERROR]indx is out of limit!! index(%d)", idx);
227 return;
228 }
229
230 if (kpath & RF_A) {
231 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_EN, data: 0x1);
232 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_IQC_V1, data: idx);
233 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_MDPD_V1, data: idx);
234 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_MODOPT, RR_TXG_SEL, data: 0x4 | idx);
235
236 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL, BIT(0));
237 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT, B_CFIR_LUT_G3, data: tmp);
238 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL, BIT(1));
239 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT, B_CFIR_LUT_G5, data: tmp);
240 }
241
242 if (kpath & RF_B) {
243 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_EN, data: 0x1);
244 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_IQC_V1, data: idx);
245 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_MDPD_V1, data: idx);
246 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_MODOPT, RR_TXG_SEL, data: 0x4 | idx);
247
248 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL_C1, BIT(0));
249 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT_C1, B_CFIR_LUT_G3, data: tmp);
250 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL_C1, BIT(1));
251 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT_C1, B_CFIR_LUT_G5, data: tmp);
252 }
253}
254
255static void rtw8922a_chlk_reload(struct rtw89_dev *rtwdev)
256{
257 struct rtw89_rfk_mcc_info *rfk_mcc = &rtwdev->rfk_mcc;
258 enum rtw89_sub_entity_idx sub_entity_idx;
259 const struct rtw89_chan *chan;
260 enum rtw89_entity_mode mode;
261 u8 s0_tbl, s1_tbl;
262 u8 tbl_sel;
263
264 mode = rtw89_get_entity_mode(rtwdev);
265 switch (mode) {
266 case RTW89_ENTITY_MODE_MCC_PREPARE:
267 sub_entity_idx = RTW89_SUB_ENTITY_1;
268 tbl_sel = 1;
269 break;
270 default:
271 sub_entity_idx = RTW89_SUB_ENTITY_0;
272 tbl_sel = 0;
273 break;
274 }
275
276 chan = rtw89_chan_get(rtwdev, idx: sub_entity_idx);
277
278 rfk_mcc->ch[tbl_sel] = chan->channel;
279 rfk_mcc->band[tbl_sel] = chan->band_type;
280 rfk_mcc->bw[tbl_sel] = chan->band_width;
281 rfk_mcc->table_idx = tbl_sel;
282
283 s0_tbl = tbl_sel;
284 s1_tbl = tbl_sel;
285
286 rtw8922a_chlk_ktbl_sel(rtwdev, kpath: RF_A, idx: s0_tbl);
287 rtw8922a_chlk_ktbl_sel(rtwdev, kpath: RF_B, idx: s1_tbl);
288}
289
290static void rtw8922a_rfk_mlo_ctrl(struct rtw89_dev *rtwdev)
291{
292 enum _rf_syn_pow syn_pow;
293
294 if (!rtwdev->dbcc_en)
295 goto set_rfk_reload;
296
297 switch (rtwdev->mlo_dbcc_mode) {
298 case MLO_0_PLUS_2_1RF:
299 syn_pow = RF_SYN_OFF_ON;
300 break;
301 case MLO_0_PLUS_2_2RF:
302 case MLO_1_PLUS_1_2RF:
303 case MLO_2_PLUS_0_1RF:
304 case MLO_2_PLUS_0_2RF:
305 case MLO_2_PLUS_2_2RF:
306 case MLO_DBCC_NOT_SUPPORT:
307 default:
308 syn_pow = RF_SYN_ON_OFF;
309 break;
310 case MLO_1_PLUS_1_1RF:
311 case DBCC_LEGACY:
312 syn_pow = RF_SYN_ALLON;
313 break;
314 }
315
316 rtw8922a_set_syn01(rtwdev, syn: syn_pow);
317
318set_rfk_reload:
319 rtw8922a_chlk_reload(rtwdev);
320}
321
322static void rtw8922a_rfk_pll_init(struct rtw89_dev *rtwdev)
323{
324 int ret;
325 u8 tmp;
326
327 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_PLL_1, val: &tmp);
328 if (ret)
329 return;
330 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_PLL_1, val: tmp | 0xf8, mask: 0xFF);
331 if (ret)
332 return;
333
334 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_APBT, val: &tmp);
335 if (ret)
336 return;
337 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_APBT, val: tmp & ~0x60, mask: 0xFF);
338 if (ret)
339 return;
340
341 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_XTAL_PLL, val: &tmp);
342 if (ret)
343 return;
344 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_XTAL_PLL, val: tmp | 0x38, mask: 0xFF);
345 if (ret)
346 return;
347}
348
349void rtw8922a_rfk_hw_init(struct rtw89_dev *rtwdev)
350{
351 if (rtwdev->dbcc_en)
352 rtw8922a_rfk_mlo_ctrl(rtwdev);
353
354 rtw8922a_rfk_pll_init(rtwdev);
355}
356
357void rtw8922a_pre_set_channel_rf(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
358{
359 bool mlo_1_1;
360
361 if (!rtwdev->dbcc_en)
362 return;
363
364 mlo_1_1 = rtw89_is_mlo_1_1(rtwdev);
365 if (mlo_1_1)
366 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_ALLON);
367 else if (phy_idx == RTW89_PHY_0)
368 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_ON_OFF);
369 else
370 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_OFF_ON);
371
372 fsleep(usecs: 1000);
373}
374
375void rtw8922a_post_set_channel_rf(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
376{
377 rtw8922a_rfk_mlo_ctrl(rtwdev);
378}
379

source code of linux/drivers/net/wireless/realtek/rtw89/rtw8922a_rfk.c