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 const struct rtw89_chan *chan)
40{
41 const u32 rf_addr[2] = {RR_CFGCH, RR_CFGCH_V1};
42 struct rtw89_hal *hal = &rtwdev->hal;
43 u32 rf_reg[RF_PATH_NUM_8922A][2];
44 u8 synpath;
45 u32 rf18;
46 u8 kpath;
47 u8 path;
48 u8 i;
49
50 rf_reg[RF_PATH_A][0] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_A, addr: rf_addr[0], RFREG_MASK);
51 rf_reg[RF_PATH_A][1] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_A, addr: rf_addr[1], RFREG_MASK);
52 rf_reg[RF_PATH_B][0] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_B, addr: rf_addr[0], RFREG_MASK);
53 rf_reg[RF_PATH_B][1] = rtw89_read_rf(rtwdev, rf_path: RF_PATH_B, addr: rf_addr[1], RFREG_MASK);
54
55 kpath = rtw89_phy_get_kpath(rtwdev, phy_idx: phy);
56 synpath = rtw89_phy_get_syn_sel(rtwdev, phy_idx: phy);
57
58 rf18 = rtw89_read_rf(rtwdev, rf_path: synpath, RR_CFGCH, RFREG_MASK);
59 if (rf18 == INV_RF_DATA) {
60 rtw89_warn(rtwdev, "[RFK] Invalid RF18 value\n");
61 return;
62 }
63
64 for (path = 0; path < RF_PATH_NUM_8922A; path++) {
65 if (!(kpath & BIT(path)))
66 continue;
67
68 for (i = 0; i < 2; i++) {
69 if (rf_reg[path][i] == INV_RF_DATA) {
70 rtw89_warn(rtwdev,
71 "[RFK] Invalid RF_0x18 for Path-%d\n", path);
72 return;
73 }
74
75 rf_reg[path][i] &= ~(RR_CFGCH_BAND1 | RR_CFGCH_BW_V2 |
76 RR_CFGCH_BAND0 | RR_CFGCH_CH);
77 rf_reg[path][i] |= rtw89_chip_chan_to_rf18_val(rtwdev, chan);
78
79 rtw89_write_rf(rtwdev, rf_path: path, addr: rf_addr[i],
80 RFREG_MASK, data: rf_reg[path][i]);
81 fsleep(usecs: 100);
82 }
83 }
84
85 if (hal->cv != CHIP_CAV)
86 return;
87
88 if (chan->band_type == RTW89_BAND_2G) {
89 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x80000);
90 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWA, RFREG_MASK, data: 0x00003);
91 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD1, RFREG_MASK, data: 0x0c990);
92 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD0, RFREG_MASK, data: 0xebe38);
93 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x00000);
94 } else {
95 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x80000);
96 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWA, RFREG_MASK, data: 0x00003);
97 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD1, RFREG_MASK, data: 0x0c190);
98 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWD0, RFREG_MASK, data: 0xebe38);
99 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_LUTWE, RFREG_MASK, data: 0x00000);
100 }
101}
102
103void rtw8922a_set_channel_rf(struct rtw89_dev *rtwdev,
104 const struct rtw89_chan *chan,
105 enum rtw89_phy_idx phy_idx)
106{
107 rtw8922a_ctl_band_ch_bw(rtwdev, phy: phy_idx, chan);
108}
109
110enum _rf_syn_pow {
111 RF_SYN_ON_OFF,
112 RF_SYN_OFF_ON,
113 RF_SYN_ALLON,
114 RF_SYN_ALLOFF,
115};
116
117static void rtw8922a_set_syn01_cav(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
118{
119 if (syn == RF_SYN_ALLON) {
120 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
121 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x2);
122 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
123
124 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
125 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x2);
126 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
127 } else if (syn == RF_SYN_ON_OFF) {
128 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
129 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x2);
130 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x3);
131
132 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x0);
133 } else if (syn == RF_SYN_OFF_ON) {
134 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x0);
135
136 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
137 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x2);
138 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x3);
139 } else if (syn == RF_SYN_ALLOFF) {
140 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN, data: 0x0);
141 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN, data: 0x0);
142 }
143}
144
145static void rtw8922a_set_syn01_cbv(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
146{
147 if (syn == RF_SYN_ALLON) {
148 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0xf);
149 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0xf);
150 } else if (syn == RF_SYN_ON_OFF) {
151 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0xf);
152 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0x0);
153 } else if (syn == RF_SYN_OFF_ON) {
154 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0x0);
155 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0xf);
156 } else if (syn == RF_SYN_ALLOFF) {
157 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_POW, RR_POW_SYN_V1, data: 0x0);
158 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_POW, RR_POW_SYN_V1, data: 0x0);
159 }
160}
161
162static void rtw8922a_set_syn01(struct rtw89_dev *rtwdev, enum _rf_syn_pow syn)
163{
164 struct rtw89_hal *hal = &rtwdev->hal;
165
166 rtw89_debug(rtwdev, mask: RTW89_DBG_RFK, fmt: "SYN config=%d\n", syn);
167
168 if (hal->cv == CHIP_CAV)
169 rtw8922a_set_syn01_cav(rtwdev, syn);
170 else
171 rtw8922a_set_syn01_cbv(rtwdev, syn);
172}
173
174static void rtw8922a_chlk_ktbl_sel(struct rtw89_dev *rtwdev, u8 kpath, u8 idx)
175{
176 u32 tmp;
177
178 if (idx > 2) {
179 rtw89_warn(rtwdev, "[DBCC][ERROR]indx is out of limit!! index(%d)", idx);
180 return;
181 }
182
183 if (kpath & RF_A) {
184 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_EN, data: 0x1);
185 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_IQC_V1, data: idx);
186 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL, B_COEF_SEL_MDPD_V1, data: idx);
187 rtw89_write_rf(rtwdev, rf_path: RF_PATH_A, RR_MODOPT, RR_TXG_SEL, data: 0x4 | idx);
188
189 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL, BIT(0));
190 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT, B_CFIR_LUT_G3, data: tmp);
191 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL, BIT(1));
192 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT, B_CFIR_LUT_G5, data: tmp);
193 }
194
195 if (kpath & RF_B) {
196 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_EN, data: 0x1);
197 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_IQC_V1, data: idx);
198 rtw89_phy_write32_mask(rtwdev, R_COEF_SEL_C1, B_COEF_SEL_MDPD_V1, data: idx);
199 rtw89_write_rf(rtwdev, rf_path: RF_PATH_B, RR_MODOPT, RR_TXG_SEL, data: 0x4 | idx);
200
201 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL_C1, BIT(0));
202 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT_C1, B_CFIR_LUT_G3, data: tmp);
203 tmp = rtw89_phy_read32_mask(rtwdev, R_COEF_SEL_C1, BIT(1));
204 rtw89_phy_write32_mask(rtwdev, R_CFIR_LUT_C1, B_CFIR_LUT_G5, data: tmp);
205 }
206}
207
208static u8 rtw8922a_chlk_reload_sel_tbl(struct rtw89_dev *rtwdev,
209 const struct rtw89_chan *chan, u8 path)
210{
211 struct rtw89_rfk_mcc_info *rfk_mcc = &rtwdev->rfk_mcc;
212 struct rtw89_rfk_chan_desc desc[__RTW89_RFK_CHS_NR_V1] = {};
213 u8 tbl_sel;
214
215 for (tbl_sel = 0; tbl_sel < ARRAY_SIZE(desc); tbl_sel++) {
216 struct rtw89_rfk_chan_desc *p = &desc[tbl_sel];
217
218 p->ch = rfk_mcc->data[path].ch[tbl_sel];
219
220 p->has_band = true;
221 p->band = rfk_mcc->data[path].band[tbl_sel];
222
223 p->has_bw = true;
224 p->bw = rfk_mcc->data[path].bw[tbl_sel];
225 }
226
227 tbl_sel = rtw89_rfk_chan_lookup(rtwdev, desc, ARRAY_SIZE(desc), target_chan: chan);
228
229 rfk_mcc->data[path].ch[tbl_sel] = chan->channel;
230 rfk_mcc->data[path].band[tbl_sel] = chan->band_type;
231 rfk_mcc->data[path].bw[tbl_sel] = chan->band_width;
232 rfk_mcc->data[path].table_idx = tbl_sel;
233
234 return tbl_sel;
235}
236
237static void rtw8922a_chlk_reload(struct rtw89_dev *rtwdev)
238{
239 const struct rtw89_chan *chan0, *chan1;
240 u8 s0_tbl, s1_tbl;
241
242 switch (rtwdev->mlo_dbcc_mode) {
243 default:
244 case MLO_2_PLUS_0_1RF:
245 chan0 = rtw89_mgnt_chan_get(rtwdev, 0);
246 chan1 = chan0;
247 break;
248 case MLO_0_PLUS_2_1RF:
249 chan1 = rtw89_mgnt_chan_get(rtwdev, 1);
250 chan0 = chan1;
251 break;
252 case MLO_1_PLUS_1_1RF:
253 chan0 = rtw89_mgnt_chan_get(rtwdev, 0);
254 chan1 = rtw89_mgnt_chan_get(rtwdev, 1);
255 break;
256 }
257
258 s0_tbl = rtw8922a_chlk_reload_sel_tbl(rtwdev, chan: chan0, path: 0);
259 s1_tbl = rtw8922a_chlk_reload_sel_tbl(rtwdev, chan: chan1, path: 1);
260
261 rtw8922a_chlk_ktbl_sel(rtwdev, kpath: RF_A, idx: s0_tbl);
262 rtw8922a_chlk_ktbl_sel(rtwdev, kpath: RF_B, idx: s1_tbl);
263}
264
265static void rtw8922a_rfk_mlo_ctrl(struct rtw89_dev *rtwdev)
266{
267 enum _rf_syn_pow syn_pow;
268
269 if (!rtwdev->dbcc_en)
270 goto set_rfk_reload;
271
272 switch (rtwdev->mlo_dbcc_mode) {
273 case MLO_0_PLUS_2_1RF:
274 syn_pow = RF_SYN_OFF_ON;
275 break;
276 case MLO_0_PLUS_2_2RF:
277 case MLO_1_PLUS_1_2RF:
278 case MLO_2_PLUS_0_1RF:
279 case MLO_2_PLUS_0_2RF:
280 case MLO_2_PLUS_2_2RF:
281 case MLO_DBCC_NOT_SUPPORT:
282 default:
283 syn_pow = RF_SYN_ON_OFF;
284 break;
285 case MLO_1_PLUS_1_1RF:
286 case DBCC_LEGACY:
287 syn_pow = RF_SYN_ALLON;
288 break;
289 }
290
291 rtw8922a_set_syn01(rtwdev, syn: syn_pow);
292
293set_rfk_reload:
294 rtw8922a_chlk_reload(rtwdev);
295}
296
297static void rtw8922a_rfk_pll_init(struct rtw89_dev *rtwdev)
298{
299 int ret;
300 u8 tmp;
301
302 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_PLL_1, val: &tmp);
303 if (ret)
304 return;
305 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_PLL_1, val: tmp | 0xf8, mask: 0xFF);
306 if (ret)
307 return;
308
309 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_APBT, val: &tmp);
310 if (ret)
311 return;
312 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_APBT, val: tmp & ~0x60, mask: 0xFF);
313 if (ret)
314 return;
315
316 ret = rtw89_mac_read_xtal_si(rtwdev, offset: XTAL_SI_XTAL_PLL, val: &tmp);
317 if (ret)
318 return;
319 ret = rtw89_mac_write_xtal_si(rtwdev, offset: XTAL_SI_XTAL_PLL, val: tmp | 0x38, mask: 0xFF);
320 if (ret)
321 return;
322}
323
324void rtw8922a_rfk_hw_init(struct rtw89_dev *rtwdev)
325{
326 if (rtwdev->dbcc_en)
327 rtw8922a_rfk_mlo_ctrl(rtwdev);
328
329 rtw8922a_rfk_pll_init(rtwdev);
330}
331
332void rtw8922a_pre_set_channel_rf(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
333{
334 bool mlo_1_1;
335
336 if (!rtwdev->dbcc_en)
337 return;
338
339 mlo_1_1 = rtw89_is_mlo_1_1(rtwdev);
340 if (mlo_1_1)
341 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_ALLON);
342 else if (phy_idx == RTW89_PHY_0)
343 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_ON_OFF);
344 else
345 rtw8922a_set_syn01(rtwdev, syn: RF_SYN_OFF_ON);
346
347 fsleep(usecs: 1000);
348}
349
350void rtw8922a_post_set_channel_rf(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
351{
352 rtw8922a_rfk_mlo_ctrl(rtwdev);
353}
354

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