phy_n.c 161 KB

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  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11n PHY support
  4. Copyright (c) 2008 Michael Buesch <m@bues.ch>
  5. Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
  6. This program is free software; you can redistribute it and/or modify
  7. it under the terms of the GNU General Public License as published by
  8. the Free Software Foundation; either version 2 of the License, or
  9. (at your option) any later version.
  10. This program is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. GNU General Public License for more details.
  14. You should have received a copy of the GNU General Public License
  15. along with this program; see the file COPYING. If not, write to
  16. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  17. Boston, MA 02110-1301, USA.
  18. */
  19. #include <linux/delay.h>
  20. #include <linux/slab.h>
  21. #include <linux/types.h>
  22. #include "b43.h"
  23. #include "phy_n.h"
  24. #include "tables_nphy.h"
  25. #include "radio_2055.h"
  26. #include "radio_2056.h"
  27. #include "radio_2057.h"
  28. #include "main.h"
  29. struct nphy_txgains {
  30. u16 txgm[2];
  31. u16 pga[2];
  32. u16 pad[2];
  33. u16 ipa[2];
  34. };
  35. struct nphy_iqcal_params {
  36. u16 txgm;
  37. u16 pga;
  38. u16 pad;
  39. u16 ipa;
  40. u16 cal_gain;
  41. u16 ncorr[5];
  42. };
  43. struct nphy_iq_est {
  44. s32 iq0_prod;
  45. u32 i0_pwr;
  46. u32 q0_pwr;
  47. s32 iq1_prod;
  48. u32 i1_pwr;
  49. u32 q1_pwr;
  50. };
  51. enum b43_nphy_rf_sequence {
  52. B43_RFSEQ_RX2TX,
  53. B43_RFSEQ_TX2RX,
  54. B43_RFSEQ_RESET2RX,
  55. B43_RFSEQ_UPDATE_GAINH,
  56. B43_RFSEQ_UPDATE_GAINL,
  57. B43_RFSEQ_UPDATE_GAINU,
  58. };
  59. enum b43_nphy_rssi_type {
  60. B43_NPHY_RSSI_X = 0,
  61. B43_NPHY_RSSI_Y,
  62. B43_NPHY_RSSI_Z,
  63. B43_NPHY_RSSI_PWRDET,
  64. B43_NPHY_RSSI_TSSI_I,
  65. B43_NPHY_RSSI_TSSI_Q,
  66. B43_NPHY_RSSI_TBD,
  67. };
  68. static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  69. {
  70. enum ieee80211_band band = b43_current_band(dev->wl);
  71. return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  72. (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
  73. }
  74. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
  75. static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
  76. {
  77. return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
  78. B43_NPHY_RFSEQCA_RXEN_SHIFT;
  79. }
  80. /**************************************************
  81. * RF (just without b43_nphy_rf_control_intc_override)
  82. **************************************************/
  83. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  84. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  85. enum b43_nphy_rf_sequence seq)
  86. {
  87. static const u16 trigger[] = {
  88. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  89. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  90. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  91. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  92. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  93. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  94. };
  95. int i;
  96. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  97. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  98. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  99. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  100. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  101. for (i = 0; i < 200; i++) {
  102. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  103. goto ok;
  104. msleep(1);
  105. }
  106. b43err(dev->wl, "RF sequence status timeout\n");
  107. ok:
  108. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  109. }
  110. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  111. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  112. u16 value, u8 core, bool off)
  113. {
  114. int i;
  115. u8 index = fls(field);
  116. u8 addr, en_addr, val_addr;
  117. /* we expect only one bit set */
  118. B43_WARN_ON(field & (~(1 << (index - 1))));
  119. if (dev->phy.rev >= 3) {
  120. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  121. for (i = 0; i < 2; i++) {
  122. if (index == 0 || index == 16) {
  123. b43err(dev->wl,
  124. "Unsupported RF Ctrl Override call\n");
  125. return;
  126. }
  127. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  128. en_addr = B43_PHY_N((i == 0) ?
  129. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  130. val_addr = B43_PHY_N((i == 0) ?
  131. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  132. if (off) {
  133. b43_phy_mask(dev, en_addr, ~(field));
  134. b43_phy_mask(dev, val_addr,
  135. ~(rf_ctrl->val_mask));
  136. } else {
  137. if (core == 0 || ((1 << i) & core)) {
  138. b43_phy_set(dev, en_addr, field);
  139. b43_phy_maskset(dev, val_addr,
  140. ~(rf_ctrl->val_mask),
  141. (value << rf_ctrl->val_shift));
  142. }
  143. }
  144. }
  145. } else {
  146. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  147. if (off) {
  148. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  149. value = 0;
  150. } else {
  151. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  152. }
  153. for (i = 0; i < 2; i++) {
  154. if (index <= 1 || index == 16) {
  155. b43err(dev->wl,
  156. "Unsupported RF Ctrl Override call\n");
  157. return;
  158. }
  159. if (index == 2 || index == 10 ||
  160. (index >= 13 && index <= 15)) {
  161. core = 1;
  162. }
  163. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  164. addr = B43_PHY_N((i == 0) ?
  165. rf_ctrl->addr0 : rf_ctrl->addr1);
  166. if ((1 << i) & core)
  167. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  168. (value << rf_ctrl->shift));
  169. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  170. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  171. B43_NPHY_RFCTL_CMD_START);
  172. udelay(1);
  173. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  174. }
  175. }
  176. }
  177. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  178. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  179. u16 value, u8 core)
  180. {
  181. u8 i, j;
  182. u16 reg, tmp, val;
  183. B43_WARN_ON(dev->phy.rev < 3);
  184. B43_WARN_ON(field > 4);
  185. for (i = 0; i < 2; i++) {
  186. if ((core == 1 && i == 1) || (core == 2 && !i))
  187. continue;
  188. reg = (i == 0) ?
  189. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  190. b43_phy_set(dev, reg, 0x400);
  191. switch (field) {
  192. case 0:
  193. b43_phy_write(dev, reg, 0);
  194. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  195. break;
  196. case 1:
  197. if (!i) {
  198. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  199. 0xFC3F, (value << 6));
  200. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  201. 0xFFFE, 1);
  202. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  203. B43_NPHY_RFCTL_CMD_START);
  204. for (j = 0; j < 100; j++) {
  205. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
  206. j = 0;
  207. break;
  208. }
  209. udelay(10);
  210. }
  211. if (j)
  212. b43err(dev->wl,
  213. "intc override timeout\n");
  214. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  215. 0xFFFE);
  216. } else {
  217. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  218. 0xFC3F, (value << 6));
  219. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  220. 0xFFFE, 1);
  221. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  222. B43_NPHY_RFCTL_CMD_RXTX);
  223. for (j = 0; j < 100; j++) {
  224. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
  225. j = 0;
  226. break;
  227. }
  228. udelay(10);
  229. }
  230. if (j)
  231. b43err(dev->wl,
  232. "intc override timeout\n");
  233. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  234. 0xFFFE);
  235. }
  236. break;
  237. case 2:
  238. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  239. tmp = 0x0020;
  240. val = value << 5;
  241. } else {
  242. tmp = 0x0010;
  243. val = value << 4;
  244. }
  245. b43_phy_maskset(dev, reg, ~tmp, val);
  246. break;
  247. case 3:
  248. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  249. tmp = 0x0001;
  250. val = value;
  251. } else {
  252. tmp = 0x0004;
  253. val = value << 2;
  254. }
  255. b43_phy_maskset(dev, reg, ~tmp, val);
  256. break;
  257. case 4:
  258. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  259. tmp = 0x0002;
  260. val = value << 1;
  261. } else {
  262. tmp = 0x0008;
  263. val = value << 3;
  264. }
  265. b43_phy_maskset(dev, reg, ~tmp, val);
  266. break;
  267. }
  268. }
  269. }
  270. /**************************************************
  271. * Various PHY ops
  272. **************************************************/
  273. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  274. static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
  275. const u16 *clip_st)
  276. {
  277. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  278. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  279. }
  280. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  281. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  282. {
  283. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  284. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  285. }
  286. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  287. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  288. {
  289. u16 tmp;
  290. if (dev->dev->core_rev == 16)
  291. b43_mac_suspend(dev);
  292. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  293. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  294. B43_NPHY_CLASSCTL_WAITEDEN);
  295. tmp &= ~mask;
  296. tmp |= (val & mask);
  297. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  298. if (dev->dev->core_rev == 16)
  299. b43_mac_enable(dev);
  300. return tmp;
  301. }
  302. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  303. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  304. {
  305. u16 bbcfg;
  306. b43_phy_force_clock(dev, 1);
  307. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  308. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  309. udelay(1);
  310. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  311. b43_phy_force_clock(dev, 0);
  312. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  313. }
  314. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  315. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  316. {
  317. struct b43_phy *phy = &dev->phy;
  318. struct b43_phy_n *nphy = phy->n;
  319. if (enable) {
  320. static const u16 clip[] = { 0xFFFF, 0xFFFF };
  321. if (nphy->deaf_count++ == 0) {
  322. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  323. b43_nphy_classifier(dev, 0x7, 0);
  324. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  325. b43_nphy_write_clip_detection(dev, clip);
  326. }
  327. b43_nphy_reset_cca(dev);
  328. } else {
  329. if (--nphy->deaf_count == 0) {
  330. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  331. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  332. }
  333. }
  334. }
  335. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  336. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  337. {
  338. struct b43_phy_n *nphy = dev->phy.n;
  339. u8 i;
  340. s16 tmp;
  341. u16 data[4];
  342. s16 gain[2];
  343. u16 minmax[2];
  344. static const u16 lna_gain[4] = { -2, 10, 19, 25 };
  345. if (nphy->hang_avoid)
  346. b43_nphy_stay_in_carrier_search(dev, 1);
  347. if (nphy->gain_boost) {
  348. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  349. gain[0] = 6;
  350. gain[1] = 6;
  351. } else {
  352. tmp = 40370 - 315 * dev->phy.channel;
  353. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  354. tmp = 23242 - 224 * dev->phy.channel;
  355. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  356. }
  357. } else {
  358. gain[0] = 0;
  359. gain[1] = 0;
  360. }
  361. for (i = 0; i < 2; i++) {
  362. if (nphy->elna_gain_config) {
  363. data[0] = 19 + gain[i];
  364. data[1] = 25 + gain[i];
  365. data[2] = 25 + gain[i];
  366. data[3] = 25 + gain[i];
  367. } else {
  368. data[0] = lna_gain[0] + gain[i];
  369. data[1] = lna_gain[1] + gain[i];
  370. data[2] = lna_gain[2] + gain[i];
  371. data[3] = lna_gain[3] + gain[i];
  372. }
  373. b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
  374. minmax[i] = 23 + gain[i];
  375. }
  376. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  377. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  378. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  379. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  380. if (nphy->hang_avoid)
  381. b43_nphy_stay_in_carrier_search(dev, 0);
  382. }
  383. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  384. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  385. u8 *events, u8 *delays, u8 length)
  386. {
  387. struct b43_phy_n *nphy = dev->phy.n;
  388. u8 i;
  389. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  390. u16 offset1 = cmd << 4;
  391. u16 offset2 = offset1 + 0x80;
  392. if (nphy->hang_avoid)
  393. b43_nphy_stay_in_carrier_search(dev, true);
  394. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  395. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  396. for (i = length; i < 16; i++) {
  397. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  398. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  399. }
  400. if (nphy->hang_avoid)
  401. b43_nphy_stay_in_carrier_search(dev, false);
  402. }
  403. /**************************************************
  404. * Radio 0x2057
  405. **************************************************/
  406. /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
  407. static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
  408. {
  409. struct b43_phy *phy = &dev->phy;
  410. u16 tmp;
  411. if (phy->radio_rev == 5) {
  412. b43_phy_mask(dev, 0x342, ~0x2);
  413. udelay(10);
  414. b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
  415. b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
  416. }
  417. b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
  418. udelay(10);
  419. b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
  420. if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
  421. b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
  422. return 0;
  423. }
  424. b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
  425. tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
  426. b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
  427. if (phy->radio_rev == 5) {
  428. b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
  429. b43_radio_mask(dev, 0x1ca, ~0x2);
  430. }
  431. if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
  432. b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
  433. b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
  434. tmp << 2);
  435. }
  436. return tmp & 0x3e;
  437. }
  438. /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
  439. static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
  440. {
  441. struct b43_phy *phy = &dev->phy;
  442. bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
  443. phy->radio_rev == 6);
  444. u16 tmp;
  445. if (special) {
  446. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
  447. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
  448. } else {
  449. b43_radio_write(dev, 0x1AE, 0x61);
  450. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
  451. }
  452. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  453. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  454. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  455. 5000000))
  456. b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
  457. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  458. if (special) {
  459. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
  460. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
  461. } else {
  462. b43_radio_write(dev, 0x1AE, 0x69);
  463. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
  464. }
  465. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  466. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  467. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  468. 5000000))
  469. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  470. if (special) {
  471. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
  472. b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
  473. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
  474. } else {
  475. b43_radio_write(dev, 0x1AE, 0x73);
  476. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  477. b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
  478. }
  479. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  480. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  481. 5000000)) {
  482. b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
  483. return 0;
  484. }
  485. tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
  486. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  487. return tmp;
  488. }
  489. static void b43_radio_2057_init_pre(struct b43_wldev *dev)
  490. {
  491. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  492. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  493. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
  494. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  495. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
  496. }
  497. static void b43_radio_2057_init_post(struct b43_wldev *dev)
  498. {
  499. b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
  500. b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
  501. b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
  502. mdelay(2);
  503. b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
  504. b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
  505. if (dev->phy.n->init_por) {
  506. b43_radio_2057_rcal(dev);
  507. b43_radio_2057_rccal(dev);
  508. }
  509. b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
  510. dev->phy.n->init_por = false;
  511. }
  512. /* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
  513. static void b43_radio_2057_init(struct b43_wldev *dev)
  514. {
  515. b43_radio_2057_init_pre(dev);
  516. r2057_upload_inittabs(dev);
  517. b43_radio_2057_init_post(dev);
  518. }
  519. /**************************************************
  520. * Radio 0x2056
  521. **************************************************/
  522. static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
  523. const struct b43_nphy_channeltab_entry_rev3 *e)
  524. {
  525. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
  526. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
  527. b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
  528. b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
  529. b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
  530. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
  531. e->radio_syn_pll_loopfilter1);
  532. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
  533. e->radio_syn_pll_loopfilter2);
  534. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
  535. e->radio_syn_pll_loopfilter3);
  536. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
  537. e->radio_syn_pll_loopfilter4);
  538. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
  539. e->radio_syn_pll_loopfilter5);
  540. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
  541. e->radio_syn_reserved_addr27);
  542. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
  543. e->radio_syn_reserved_addr28);
  544. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
  545. e->radio_syn_reserved_addr29);
  546. b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
  547. e->radio_syn_logen_vcobuf1);
  548. b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
  549. b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
  550. b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
  551. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
  552. e->radio_rx0_lnaa_tune);
  553. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
  554. e->radio_rx0_lnag_tune);
  555. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
  556. e->radio_tx0_intpaa_boost_tune);
  557. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
  558. e->radio_tx0_intpag_boost_tune);
  559. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
  560. e->radio_tx0_pada_boost_tune);
  561. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
  562. e->radio_tx0_padg_boost_tune);
  563. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
  564. e->radio_tx0_pgaa_boost_tune);
  565. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
  566. e->radio_tx0_pgag_boost_tune);
  567. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
  568. e->radio_tx0_mixa_boost_tune);
  569. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
  570. e->radio_tx0_mixg_boost_tune);
  571. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
  572. e->radio_rx1_lnaa_tune);
  573. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
  574. e->radio_rx1_lnag_tune);
  575. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
  576. e->radio_tx1_intpaa_boost_tune);
  577. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
  578. e->radio_tx1_intpag_boost_tune);
  579. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
  580. e->radio_tx1_pada_boost_tune);
  581. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
  582. e->radio_tx1_padg_boost_tune);
  583. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
  584. e->radio_tx1_pgaa_boost_tune);
  585. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
  586. e->radio_tx1_pgag_boost_tune);
  587. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
  588. e->radio_tx1_mixa_boost_tune);
  589. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
  590. e->radio_tx1_mixg_boost_tune);
  591. }
  592. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
  593. static void b43_radio_2056_setup(struct b43_wldev *dev,
  594. const struct b43_nphy_channeltab_entry_rev3 *e)
  595. {
  596. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  597. enum ieee80211_band band = b43_current_band(dev->wl);
  598. u16 offset;
  599. u8 i;
  600. u16 bias, cbias;
  601. u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
  602. u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
  603. B43_WARN_ON(dev->phy.rev < 3);
  604. b43_chantab_radio_2056_upload(dev, e);
  605. b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
  606. if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  607. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  608. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  609. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  610. if (dev->dev->chip_id == 0x4716) {
  611. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
  612. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
  613. } else {
  614. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
  615. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
  616. }
  617. }
  618. if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  619. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  620. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  621. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  622. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
  623. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
  624. }
  625. if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
  626. for (i = 0; i < 2; i++) {
  627. offset = i ? B2056_TX1 : B2056_TX0;
  628. if (dev->phy.rev >= 5) {
  629. b43_radio_write(dev,
  630. offset | B2056_TX_PADG_IDAC, 0xcc);
  631. if (dev->dev->chip_id == 0x4716) {
  632. bias = 0x40;
  633. cbias = 0x45;
  634. pag_boost = 0x5;
  635. pgag_boost = 0x33;
  636. mixg_boost = 0x55;
  637. } else {
  638. bias = 0x25;
  639. cbias = 0x20;
  640. pag_boost = 0x4;
  641. pgag_boost = 0x03;
  642. mixg_boost = 0x65;
  643. }
  644. padg_boost = 0x77;
  645. b43_radio_write(dev,
  646. offset | B2056_TX_INTPAG_IMAIN_STAT,
  647. bias);
  648. b43_radio_write(dev,
  649. offset | B2056_TX_INTPAG_IAUX_STAT,
  650. bias);
  651. b43_radio_write(dev,
  652. offset | B2056_TX_INTPAG_CASCBIAS,
  653. cbias);
  654. b43_radio_write(dev,
  655. offset | B2056_TX_INTPAG_BOOST_TUNE,
  656. pag_boost);
  657. b43_radio_write(dev,
  658. offset | B2056_TX_PGAG_BOOST_TUNE,
  659. pgag_boost);
  660. b43_radio_write(dev,
  661. offset | B2056_TX_PADG_BOOST_TUNE,
  662. padg_boost);
  663. b43_radio_write(dev,
  664. offset | B2056_TX_MIXG_BOOST_TUNE,
  665. mixg_boost);
  666. } else {
  667. bias = dev->phy.is_40mhz ? 0x40 : 0x20;
  668. b43_radio_write(dev,
  669. offset | B2056_TX_INTPAG_IMAIN_STAT,
  670. bias);
  671. b43_radio_write(dev,
  672. offset | B2056_TX_INTPAG_IAUX_STAT,
  673. bias);
  674. b43_radio_write(dev,
  675. offset | B2056_TX_INTPAG_CASCBIAS,
  676. 0x30);
  677. }
  678. b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
  679. }
  680. } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
  681. u16 freq = dev->phy.channel_freq;
  682. if (freq < 5100) {
  683. paa_boost = 0xA;
  684. pada_boost = 0x77;
  685. pgaa_boost = 0xF;
  686. mixa_boost = 0xF;
  687. } else if (freq < 5340) {
  688. paa_boost = 0x8;
  689. pada_boost = 0x77;
  690. pgaa_boost = 0xFB;
  691. mixa_boost = 0xF;
  692. } else if (freq < 5650) {
  693. paa_boost = 0x0;
  694. pada_boost = 0x77;
  695. pgaa_boost = 0xB;
  696. mixa_boost = 0xF;
  697. } else {
  698. paa_boost = 0x0;
  699. pada_boost = 0x77;
  700. if (freq != 5825)
  701. pgaa_boost = -(freq - 18) / 36 + 168;
  702. else
  703. pgaa_boost = 6;
  704. mixa_boost = 0xF;
  705. }
  706. for (i = 0; i < 2; i++) {
  707. offset = i ? B2056_TX1 : B2056_TX0;
  708. b43_radio_write(dev,
  709. offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
  710. b43_radio_write(dev,
  711. offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
  712. b43_radio_write(dev,
  713. offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
  714. b43_radio_write(dev,
  715. offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
  716. b43_radio_write(dev,
  717. offset | B2056_TX_TXSPARE1, 0x30);
  718. b43_radio_write(dev,
  719. offset | B2056_TX_PA_SPARE2, 0xee);
  720. b43_radio_write(dev,
  721. offset | B2056_TX_PADA_CASCBIAS, 0x03);
  722. b43_radio_write(dev,
  723. offset | B2056_TX_INTPAA_IAUX_STAT, 0x50);
  724. b43_radio_write(dev,
  725. offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50);
  726. b43_radio_write(dev,
  727. offset | B2056_TX_INTPAA_CASCBIAS, 0x30);
  728. }
  729. }
  730. udelay(50);
  731. /* VCO calibration */
  732. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
  733. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  734. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
  735. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  736. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
  737. udelay(300);
  738. }
  739. static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
  740. {
  741. struct b43_phy *phy = &dev->phy;
  742. u16 mast2, tmp;
  743. if (phy->rev != 3)
  744. return 0;
  745. mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
  746. b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
  747. udelay(10);
  748. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
  749. udelay(10);
  750. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
  751. if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
  752. 1000000)) {
  753. b43err(dev->wl, "Radio recalibration timeout\n");
  754. return 0;
  755. }
  756. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
  757. tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
  758. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
  759. b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
  760. return tmp & 0x1f;
  761. }
  762. static void b43_radio_init2056_pre(struct b43_wldev *dev)
  763. {
  764. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  765. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  766. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  767. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  768. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  769. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  770. ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  771. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  772. B43_NPHY_RFCTL_CMD_CHIP0PU);
  773. }
  774. static void b43_radio_init2056_post(struct b43_wldev *dev)
  775. {
  776. b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
  777. b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
  778. b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
  779. msleep(1);
  780. b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
  781. b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
  782. b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
  783. if (dev->phy.n->init_por)
  784. b43_radio_2056_rcal(dev);
  785. }
  786. /*
  787. * Initialize a Broadcom 2056 N-radio
  788. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  789. */
  790. static void b43_radio_init2056(struct b43_wldev *dev)
  791. {
  792. b43_radio_init2056_pre(dev);
  793. b2056_upload_inittabs(dev, 0, 0);
  794. b43_radio_init2056_post(dev);
  795. dev->phy.n->init_por = false;
  796. }
  797. /**************************************************
  798. * Radio 0x2055
  799. **************************************************/
  800. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  801. const struct b43_nphy_channeltab_entry_rev2 *e)
  802. {
  803. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  804. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  805. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  806. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  807. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  808. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  809. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  810. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  811. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  812. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  813. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  814. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  815. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  816. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  817. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  818. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  819. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  820. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  821. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  822. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  823. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  824. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  825. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  826. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  827. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  828. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  829. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  830. }
  831. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  832. static void b43_radio_2055_setup(struct b43_wldev *dev,
  833. const struct b43_nphy_channeltab_entry_rev2 *e)
  834. {
  835. B43_WARN_ON(dev->phy.rev >= 3);
  836. b43_chantab_radio_upload(dev, e);
  837. udelay(50);
  838. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  839. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  840. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  841. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  842. udelay(300);
  843. }
  844. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  845. {
  846. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  847. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  848. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  849. B43_NPHY_RFCTL_CMD_CHIP0PU |
  850. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  851. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  852. B43_NPHY_RFCTL_CMD_PORFORCE);
  853. }
  854. static void b43_radio_init2055_post(struct b43_wldev *dev)
  855. {
  856. struct b43_phy_n *nphy = dev->phy.n;
  857. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  858. bool workaround = false;
  859. if (sprom->revision < 4)
  860. workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
  861. && dev->dev->board_type == 0x46D
  862. && dev->dev->board_rev >= 0x41);
  863. else
  864. workaround =
  865. !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
  866. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  867. if (workaround) {
  868. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  869. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  870. }
  871. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  872. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  873. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  874. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  875. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  876. msleep(1);
  877. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  878. if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
  879. b43err(dev->wl, "radio post init timeout\n");
  880. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  881. b43_switch_channel(dev, dev->phy.channel);
  882. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  883. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  884. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  885. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  886. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  887. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  888. if (!nphy->gain_boost) {
  889. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  890. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  891. } else {
  892. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  893. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  894. }
  895. udelay(2);
  896. }
  897. /*
  898. * Initialize a Broadcom 2055 N-radio
  899. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  900. */
  901. static void b43_radio_init2055(struct b43_wldev *dev)
  902. {
  903. b43_radio_init2055_pre(dev);
  904. if (b43_status(dev) < B43_STAT_INITIALIZED) {
  905. /* Follow wl, not specs. Do not force uploading all regs */
  906. b2055_upload_inittab(dev, 0, 0);
  907. } else {
  908. bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
  909. b2055_upload_inittab(dev, ghz5, 0);
  910. }
  911. b43_radio_init2055_post(dev);
  912. }
  913. /**************************************************
  914. * Samples
  915. **************************************************/
  916. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  917. static int b43_nphy_load_samples(struct b43_wldev *dev,
  918. struct b43_c32 *samples, u16 len) {
  919. struct b43_phy_n *nphy = dev->phy.n;
  920. u16 i;
  921. u32 *data;
  922. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  923. if (!data) {
  924. b43err(dev->wl, "allocation for samples loading failed\n");
  925. return -ENOMEM;
  926. }
  927. if (nphy->hang_avoid)
  928. b43_nphy_stay_in_carrier_search(dev, 1);
  929. for (i = 0; i < len; i++) {
  930. data[i] = (samples[i].i & 0x3FF << 10);
  931. data[i] |= samples[i].q & 0x3FF;
  932. }
  933. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  934. kfree(data);
  935. if (nphy->hang_avoid)
  936. b43_nphy_stay_in_carrier_search(dev, 0);
  937. return 0;
  938. }
  939. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  940. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  941. bool test)
  942. {
  943. int i;
  944. u16 bw, len, rot, angle;
  945. struct b43_c32 *samples;
  946. bw = (dev->phy.is_40mhz) ? 40 : 20;
  947. len = bw << 3;
  948. if (test) {
  949. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  950. bw = 82;
  951. else
  952. bw = 80;
  953. if (dev->phy.is_40mhz)
  954. bw <<= 1;
  955. len = bw << 1;
  956. }
  957. samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
  958. if (!samples) {
  959. b43err(dev->wl, "allocation for samples generation failed\n");
  960. return 0;
  961. }
  962. rot = (((freq * 36) / bw) << 16) / 100;
  963. angle = 0;
  964. for (i = 0; i < len; i++) {
  965. samples[i] = b43_cordic(angle);
  966. angle += rot;
  967. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  968. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  969. }
  970. i = b43_nphy_load_samples(dev, samples, len);
  971. kfree(samples);
  972. return (i < 0) ? 0 : len;
  973. }
  974. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  975. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  976. u16 wait, bool iqmode, bool dac_test)
  977. {
  978. struct b43_phy_n *nphy = dev->phy.n;
  979. int i;
  980. u16 seq_mode;
  981. u32 tmp;
  982. if (nphy->hang_avoid)
  983. b43_nphy_stay_in_carrier_search(dev, true);
  984. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  985. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  986. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  987. }
  988. if (!dev->phy.is_40mhz)
  989. tmp = 0x6464;
  990. else
  991. tmp = 0x4747;
  992. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  993. if (nphy->hang_avoid)
  994. b43_nphy_stay_in_carrier_search(dev, false);
  995. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  996. if (loops != 0xFFFF)
  997. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  998. else
  999. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  1000. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  1001. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1002. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  1003. if (iqmode) {
  1004. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1005. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  1006. } else {
  1007. if (dac_test)
  1008. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  1009. else
  1010. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  1011. }
  1012. for (i = 0; i < 100; i++) {
  1013. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
  1014. i = 0;
  1015. break;
  1016. }
  1017. udelay(10);
  1018. }
  1019. if (i)
  1020. b43err(dev->wl, "run samples timeout\n");
  1021. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1022. }
  1023. /**************************************************
  1024. * RSSI
  1025. **************************************************/
  1026. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  1027. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  1028. s8 offset, u8 core, u8 rail,
  1029. enum b43_nphy_rssi_type type)
  1030. {
  1031. u16 tmp;
  1032. bool core1or5 = (core == 1) || (core == 5);
  1033. bool core2or5 = (core == 2) || (core == 5);
  1034. offset = clamp_val(offset, -32, 31);
  1035. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  1036. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  1037. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  1038. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  1039. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  1040. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  1041. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  1042. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  1043. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  1044. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  1045. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  1046. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  1047. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  1048. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  1049. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  1050. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  1051. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  1052. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  1053. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  1054. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  1055. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  1056. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  1057. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  1058. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  1059. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  1060. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  1061. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  1062. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  1063. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  1064. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  1065. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  1066. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  1067. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  1068. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  1069. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  1070. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  1071. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  1072. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  1073. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  1074. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  1075. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  1076. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
  1077. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  1078. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
  1079. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  1080. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  1081. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  1082. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  1083. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  1084. }
  1085. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1086. {
  1087. u8 i;
  1088. u16 reg, val;
  1089. if (code == 0) {
  1090. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  1091. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  1092. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  1093. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  1094. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  1095. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  1096. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  1097. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  1098. } else {
  1099. for (i = 0; i < 2; i++) {
  1100. if ((code == 1 && i == 1) || (code == 2 && !i))
  1101. continue;
  1102. reg = (i == 0) ?
  1103. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  1104. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  1105. if (type < 3) {
  1106. reg = (i == 0) ?
  1107. B43_NPHY_AFECTL_C1 :
  1108. B43_NPHY_AFECTL_C2;
  1109. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  1110. reg = (i == 0) ?
  1111. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  1112. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  1113. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  1114. if (type == 0)
  1115. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  1116. else if (type == 1)
  1117. val = 16;
  1118. else
  1119. val = 32;
  1120. b43_phy_set(dev, reg, val);
  1121. reg = (i == 0) ?
  1122. B43_NPHY_TXF_40CO_B1S0 :
  1123. B43_NPHY_TXF_40CO_B32S1;
  1124. b43_phy_set(dev, reg, 0x0020);
  1125. } else {
  1126. if (type == 6)
  1127. val = 0x0100;
  1128. else if (type == 3)
  1129. val = 0x0200;
  1130. else
  1131. val = 0x0300;
  1132. reg = (i == 0) ?
  1133. B43_NPHY_AFECTL_C1 :
  1134. B43_NPHY_AFECTL_C2;
  1135. b43_phy_maskset(dev, reg, 0xFCFF, val);
  1136. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  1137. if (type != 3 && type != 6) {
  1138. enum ieee80211_band band =
  1139. b43_current_band(dev->wl);
  1140. if (b43_nphy_ipa(dev))
  1141. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  1142. else
  1143. val = 0x11;
  1144. reg = (i == 0) ? 0x2000 : 0x3000;
  1145. reg |= B2055_PADDRV;
  1146. b43_radio_write16(dev, reg, val);
  1147. reg = (i == 0) ?
  1148. B43_NPHY_AFECTL_OVER1 :
  1149. B43_NPHY_AFECTL_OVER;
  1150. b43_phy_set(dev, reg, 0x0200);
  1151. }
  1152. }
  1153. }
  1154. }
  1155. }
  1156. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1157. {
  1158. u16 val;
  1159. if (type < 3)
  1160. val = 0;
  1161. else if (type == 6)
  1162. val = 1;
  1163. else if (type == 3)
  1164. val = 2;
  1165. else
  1166. val = 3;
  1167. val = (val << 12) | (val << 14);
  1168. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  1169. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  1170. if (type < 3) {
  1171. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  1172. (type + 1) << 4);
  1173. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  1174. (type + 1) << 4);
  1175. }
  1176. if (code == 0) {
  1177. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
  1178. if (type < 3) {
  1179. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1180. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1181. B43_NPHY_RFCTL_CMD_CORESEL));
  1182. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1183. ~(0x1 << 12 |
  1184. 0x1 << 5 |
  1185. 0x1 << 1 |
  1186. 0x1));
  1187. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1188. ~B43_NPHY_RFCTL_CMD_START);
  1189. udelay(20);
  1190. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1191. }
  1192. } else {
  1193. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
  1194. if (type < 3) {
  1195. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1196. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1197. B43_NPHY_RFCTL_CMD_CORESEL),
  1198. (B43_NPHY_RFCTL_CMD_RXEN |
  1199. code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
  1200. b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
  1201. (0x1 << 12 |
  1202. 0x1 << 5 |
  1203. 0x1 << 1 |
  1204. 0x1));
  1205. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1206. B43_NPHY_RFCTL_CMD_START);
  1207. udelay(20);
  1208. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1209. }
  1210. }
  1211. }
  1212. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1213. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1214. {
  1215. if (dev->phy.rev >= 3)
  1216. b43_nphy_rev3_rssi_select(dev, code, type);
  1217. else
  1218. b43_nphy_rev2_rssi_select(dev, code, type);
  1219. }
  1220. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1221. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1222. {
  1223. int i;
  1224. for (i = 0; i < 2; i++) {
  1225. if (type == 2) {
  1226. if (i == 0) {
  1227. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1228. 0xFC, buf[0]);
  1229. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1230. 0xFC, buf[1]);
  1231. } else {
  1232. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1233. 0xFC, buf[2 * i]);
  1234. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1235. 0xFC, buf[2 * i + 1]);
  1236. }
  1237. } else {
  1238. if (i == 0)
  1239. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1240. 0xF3, buf[0] << 2);
  1241. else
  1242. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1243. 0xF3, buf[2 * i + 1] << 2);
  1244. }
  1245. }
  1246. }
  1247. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1248. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1249. u8 nsamp)
  1250. {
  1251. int i;
  1252. int out;
  1253. u16 save_regs_phy[9];
  1254. u16 s[2];
  1255. if (dev->phy.rev >= 3) {
  1256. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1257. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1258. save_regs_phy[2] = b43_phy_read(dev,
  1259. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1260. save_regs_phy[3] = b43_phy_read(dev,
  1261. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1262. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1263. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1264. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1265. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1266. save_regs_phy[8] = 0;
  1267. } else {
  1268. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1269. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1270. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1271. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
  1272. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  1273. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  1274. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  1275. save_regs_phy[7] = 0;
  1276. save_regs_phy[8] = 0;
  1277. }
  1278. b43_nphy_rssi_select(dev, 5, type);
  1279. if (dev->phy.rev < 2) {
  1280. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1281. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1282. }
  1283. for (i = 0; i < 4; i++)
  1284. buf[i] = 0;
  1285. for (i = 0; i < nsamp; i++) {
  1286. if (dev->phy.rev < 2) {
  1287. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1288. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1289. } else {
  1290. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1291. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1292. }
  1293. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1294. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1295. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1296. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1297. }
  1298. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1299. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1300. if (dev->phy.rev < 2)
  1301. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1302. if (dev->phy.rev >= 3) {
  1303. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1304. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1305. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1306. save_regs_phy[2]);
  1307. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1308. save_regs_phy[3]);
  1309. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1310. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1311. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1312. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1313. } else {
  1314. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1315. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1316. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
  1317. b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
  1318. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
  1319. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
  1320. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
  1321. }
  1322. return out;
  1323. }
  1324. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1325. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1326. {
  1327. struct b43_phy_n *nphy = dev->phy.n;
  1328. u16 saved_regs_phy_rfctl[2];
  1329. u16 saved_regs_phy[13];
  1330. u16 regs_to_store[] = {
  1331. B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
  1332. B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
  1333. B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
  1334. B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
  1335. B43_NPHY_RFCTL_CMD,
  1336. B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1337. B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
  1338. };
  1339. u16 class;
  1340. u16 clip_state[2];
  1341. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1342. u8 vcm_final = 0;
  1343. s8 offset[4];
  1344. s32 results[8][4] = { };
  1345. s32 results_min[4] = { };
  1346. s32 poll_results[4] = { };
  1347. u16 *rssical_radio_regs = NULL;
  1348. u16 *rssical_phy_regs = NULL;
  1349. u16 r; /* routing */
  1350. u8 rx_core_state;
  1351. u8 core, i, j;
  1352. class = b43_nphy_classifier(dev, 0, 0);
  1353. b43_nphy_classifier(dev, 7, 4);
  1354. b43_nphy_read_clip_detection(dev, clip_state);
  1355. b43_nphy_write_clip_detection(dev, clip_off);
  1356. saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1357. saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1358. for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
  1359. saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
  1360. b43_nphy_rf_control_intc_override(dev, 0, 0, 7);
  1361. b43_nphy_rf_control_intc_override(dev, 1, 1, 7);
  1362. b43_nphy_rf_control_override(dev, 0x1, 0, 0, false);
  1363. b43_nphy_rf_control_override(dev, 0x2, 1, 0, false);
  1364. b43_nphy_rf_control_override(dev, 0x80, 1, 0, false);
  1365. b43_nphy_rf_control_override(dev, 0x40, 1, 0, false);
  1366. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1367. b43_nphy_rf_control_override(dev, 0x20, 0, 0, false);
  1368. b43_nphy_rf_control_override(dev, 0x10, 1, 0, false);
  1369. } else {
  1370. b43_nphy_rf_control_override(dev, 0x10, 0, 0, false);
  1371. b43_nphy_rf_control_override(dev, 0x20, 1, 0, false);
  1372. }
  1373. rx_core_state = b43_nphy_get_rx_core_state(dev);
  1374. for (core = 0; core < 2; core++) {
  1375. if (!(rx_core_state & (1 << core)))
  1376. continue;
  1377. r = core ? B2056_RX1 : B2056_RX0;
  1378. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, 2);
  1379. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, 2);
  1380. for (i = 0; i < 8; i++) {
  1381. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
  1382. i << 2);
  1383. b43_nphy_poll_rssi(dev, 2, results[i], 8);
  1384. }
  1385. for (i = 0; i < 4; i += 2) {
  1386. s32 curr;
  1387. s32 mind = 40;
  1388. s32 minpoll = 249;
  1389. u8 minvcm = 0;
  1390. if (2 * core != i)
  1391. continue;
  1392. for (j = 0; j < 8; j++) {
  1393. curr = results[j][i] * results[j][i] +
  1394. results[j][i + 1] * results[j][i];
  1395. if (curr < mind) {
  1396. mind = curr;
  1397. minvcm = j;
  1398. }
  1399. if (results[j][i] < minpoll)
  1400. minpoll = results[j][i];
  1401. }
  1402. vcm_final = minvcm;
  1403. results_min[i] = minpoll;
  1404. }
  1405. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
  1406. vcm_final << 2);
  1407. for (i = 0; i < 4; i++) {
  1408. if (core != i / 2)
  1409. continue;
  1410. offset[i] = -results[vcm_final][i];
  1411. if (offset[i] < 0)
  1412. offset[i] = -((abs(offset[i]) + 4) / 8);
  1413. else
  1414. offset[i] = (offset[i] + 4) / 8;
  1415. if (results_min[i] == 248)
  1416. offset[i] = -32;
  1417. b43_nphy_scale_offset_rssi(dev, 0, offset[i],
  1418. (i / 2 == 0) ? 1 : 2,
  1419. (i % 2 == 0) ? 0 : 1,
  1420. 2);
  1421. }
  1422. }
  1423. for (core = 0; core < 2; core++) {
  1424. if (!(rx_core_state & (1 << core)))
  1425. continue;
  1426. for (i = 0; i < 2; i++) {
  1427. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, i);
  1428. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, i);
  1429. b43_nphy_poll_rssi(dev, i, poll_results, 8);
  1430. for (j = 0; j < 4; j++) {
  1431. if (j / 2 == core) {
  1432. offset[j] = 232 - poll_results[j];
  1433. if (offset[j] < 0)
  1434. offset[j] = -(abs(offset[j] + 4) / 8);
  1435. else
  1436. offset[j] = (offset[j] + 4) / 8;
  1437. b43_nphy_scale_offset_rssi(dev, 0,
  1438. offset[2 * core], core + 1, j % 2, i);
  1439. }
  1440. }
  1441. }
  1442. }
  1443. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
  1444. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
  1445. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1446. b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
  1447. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
  1448. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
  1449. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1450. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
  1451. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
  1452. for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
  1453. b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
  1454. /* Store for future configuration */
  1455. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1456. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1457. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1458. } else {
  1459. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1460. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1461. }
  1462. rssical_radio_regs[0] = b43_radio_read(dev, 0x602B);
  1463. rssical_radio_regs[0] = b43_radio_read(dev, 0x702B);
  1464. rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
  1465. rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
  1466. rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
  1467. rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
  1468. rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
  1469. rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
  1470. rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
  1471. rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
  1472. rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
  1473. rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
  1474. rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
  1475. rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
  1476. /* Remember for which channel we store configuration */
  1477. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1478. nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
  1479. else
  1480. nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;
  1481. /* End of calibration, restore configuration */
  1482. b43_nphy_classifier(dev, 7, class);
  1483. b43_nphy_write_clip_detection(dev, clip_state);
  1484. }
  1485. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1486. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1487. {
  1488. int i, j;
  1489. u8 state[4];
  1490. u8 code, val;
  1491. u16 class, override;
  1492. u8 regs_save_radio[2];
  1493. u16 regs_save_phy[2];
  1494. s8 offset[4];
  1495. u8 core;
  1496. u8 rail;
  1497. u16 clip_state[2];
  1498. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1499. s32 results_min[4] = { };
  1500. u8 vcm_final[4] = { };
  1501. s32 results[4][4] = { };
  1502. s32 miniq[4][2] = { };
  1503. if (type == 2) {
  1504. code = 0;
  1505. val = 6;
  1506. } else if (type < 2) {
  1507. code = 25;
  1508. val = 4;
  1509. } else {
  1510. B43_WARN_ON(1);
  1511. return;
  1512. }
  1513. class = b43_nphy_classifier(dev, 0, 0);
  1514. b43_nphy_classifier(dev, 7, 4);
  1515. b43_nphy_read_clip_detection(dev, clip_state);
  1516. b43_nphy_write_clip_detection(dev, clip_off);
  1517. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1518. override = 0x140;
  1519. else
  1520. override = 0x110;
  1521. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1522. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1523. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1524. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1525. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1526. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1527. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1528. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1529. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1530. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1531. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1532. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1533. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1534. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1535. b43_nphy_rssi_select(dev, 5, type);
  1536. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1537. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1538. for (i = 0; i < 4; i++) {
  1539. u8 tmp[4];
  1540. for (j = 0; j < 4; j++)
  1541. tmp[j] = i;
  1542. if (type != 1)
  1543. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1544. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1545. if (type < 2)
  1546. for (j = 0; j < 2; j++)
  1547. miniq[i][j] = min(results[i][2 * j],
  1548. results[i][2 * j + 1]);
  1549. }
  1550. for (i = 0; i < 4; i++) {
  1551. s32 mind = 40;
  1552. u8 minvcm = 0;
  1553. s32 minpoll = 249;
  1554. s32 curr;
  1555. for (j = 0; j < 4; j++) {
  1556. if (type == 2)
  1557. curr = abs(results[j][i]);
  1558. else
  1559. curr = abs(miniq[j][i / 2] - code * 8);
  1560. if (curr < mind) {
  1561. mind = curr;
  1562. minvcm = j;
  1563. }
  1564. if (results[j][i] < minpoll)
  1565. minpoll = results[j][i];
  1566. }
  1567. results_min[i] = minpoll;
  1568. vcm_final[i] = minvcm;
  1569. }
  1570. if (type != 1)
  1571. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1572. for (i = 0; i < 4; i++) {
  1573. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1574. if (offset[i] < 0)
  1575. offset[i] = -((abs(offset[i]) + 4) / 8);
  1576. else
  1577. offset[i] = (offset[i] + 4) / 8;
  1578. if (results_min[i] == 248)
  1579. offset[i] = code - 32;
  1580. core = (i / 2) ? 2 : 1;
  1581. rail = (i % 2) ? 1 : 0;
  1582. b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
  1583. type);
  1584. }
  1585. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1586. b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
  1587. switch (state[2]) {
  1588. case 1:
  1589. b43_nphy_rssi_select(dev, 1, 2);
  1590. break;
  1591. case 4:
  1592. b43_nphy_rssi_select(dev, 1, 0);
  1593. break;
  1594. case 2:
  1595. b43_nphy_rssi_select(dev, 1, 1);
  1596. break;
  1597. default:
  1598. b43_nphy_rssi_select(dev, 1, 1);
  1599. break;
  1600. }
  1601. switch (state[3]) {
  1602. case 1:
  1603. b43_nphy_rssi_select(dev, 2, 2);
  1604. break;
  1605. case 4:
  1606. b43_nphy_rssi_select(dev, 2, 0);
  1607. break;
  1608. default:
  1609. b43_nphy_rssi_select(dev, 2, 1);
  1610. break;
  1611. }
  1612. b43_nphy_rssi_select(dev, 0, type);
  1613. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1614. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1615. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1616. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1617. b43_nphy_classifier(dev, 7, class);
  1618. b43_nphy_write_clip_detection(dev, clip_state);
  1619. /* Specs don't say about reset here, but it makes wl and b43 dumps
  1620. identical, it really seems wl performs this */
  1621. b43_nphy_reset_cca(dev);
  1622. }
  1623. /*
  1624. * RSSI Calibration
  1625. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1626. */
  1627. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1628. {
  1629. if (dev->phy.rev >= 3) {
  1630. b43_nphy_rev3_rssi_cal(dev);
  1631. } else {
  1632. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
  1633. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
  1634. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
  1635. }
  1636. }
  1637. /**************************************************
  1638. * Workarounds
  1639. **************************************************/
  1640. static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
  1641. {
  1642. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1643. bool ghz5;
  1644. bool ext_lna;
  1645. u16 rssi_gain;
  1646. struct nphy_gain_ctl_workaround_entry *e;
  1647. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  1648. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  1649. /* Prepare values */
  1650. ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
  1651. & B43_NPHY_BANDCTL_5GHZ;
  1652. ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
  1653. sprom->boardflags_lo & B43_BFL_EXTLNA;
  1654. e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
  1655. if (ghz5 && dev->phy.rev >= 5)
  1656. rssi_gain = 0x90;
  1657. else
  1658. rssi_gain = 0x50;
  1659. b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
  1660. /* Set Clip 2 detect */
  1661. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  1662. B43_NPHY_C1_CGAINI_CL2DETECT);
  1663. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  1664. B43_NPHY_C2_CGAINI_CL2DETECT);
  1665. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1666. 0x17);
  1667. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1668. 0x17);
  1669. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
  1670. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
  1671. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
  1672. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
  1673. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
  1674. rssi_gain);
  1675. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
  1676. rssi_gain);
  1677. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1678. 0x17);
  1679. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1680. 0x17);
  1681. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
  1682. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
  1683. b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
  1684. b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
  1685. b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
  1686. b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
  1687. b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
  1688. b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
  1689. b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
  1690. b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
  1691. b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
  1692. b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
  1693. b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
  1694. b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
  1695. b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
  1696. b43_phy_write(dev, 0x2A7, e->init_gain);
  1697. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
  1698. e->rfseq_init);
  1699. /* TODO: check defines. Do not match variables names */
  1700. b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
  1701. b43_phy_write(dev, 0x2A9, e->cliphi_gain);
  1702. b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
  1703. b43_phy_write(dev, 0x2AB, e->clipmd_gain);
  1704. b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
  1705. b43_phy_write(dev, 0x2AD, e->cliplo_gain);
  1706. b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
  1707. b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
  1708. b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
  1709. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
  1710. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
  1711. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1712. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
  1713. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1714. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
  1715. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1716. }
  1717. static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
  1718. {
  1719. struct b43_phy_n *nphy = dev->phy.n;
  1720. u8 i, j;
  1721. u8 code;
  1722. u16 tmp;
  1723. u8 rfseq_events[3] = { 6, 8, 7 };
  1724. u8 rfseq_delays[3] = { 10, 30, 1 };
  1725. /* Set Clip 2 detect */
  1726. b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
  1727. b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
  1728. /* Set narrowband clip threshold */
  1729. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  1730. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  1731. if (!dev->phy.is_40mhz) {
  1732. /* Set dwell lengths */
  1733. b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  1734. b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  1735. b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  1736. b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  1737. }
  1738. /* Set wideband clip 2 threshold */
  1739. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1740. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
  1741. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1742. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
  1743. if (!dev->phy.is_40mhz) {
  1744. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  1745. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  1746. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  1747. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  1748. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  1749. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  1750. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  1751. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  1752. }
  1753. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1754. if (nphy->gain_boost) {
  1755. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  1756. dev->phy.is_40mhz)
  1757. code = 4;
  1758. else
  1759. code = 5;
  1760. } else {
  1761. code = dev->phy.is_40mhz ? 6 : 7;
  1762. }
  1763. /* Set HPVGA2 index */
  1764. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
  1765. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  1766. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
  1767. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  1768. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1769. /* specs say about 2 loops, but wl does 4 */
  1770. for (i = 0; i < 4; i++)
  1771. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
  1772. b43_nphy_adjust_lna_gain_table(dev);
  1773. if (nphy->elna_gain_config) {
  1774. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  1775. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1776. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1777. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1778. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1779. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  1780. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1781. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1782. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1783. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1784. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1785. /* specs say about 2 loops, but wl does 4 */
  1786. for (i = 0; i < 4; i++)
  1787. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1788. (code << 8 | 0x74));
  1789. }
  1790. if (dev->phy.rev == 2) {
  1791. for (i = 0; i < 4; i++) {
  1792. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1793. (0x0400 * i) + 0x0020);
  1794. for (j = 0; j < 21; j++) {
  1795. tmp = j * (i < 2 ? 3 : 1);
  1796. b43_phy_write(dev,
  1797. B43_NPHY_TABLE_DATALO, tmp);
  1798. }
  1799. }
  1800. }
  1801. b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
  1802. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  1803. ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
  1804. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  1805. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1806. b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
  1807. }
  1808. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  1809. static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
  1810. {
  1811. if (dev->phy.rev >= 7)
  1812. ; /* TODO */
  1813. else if (dev->phy.rev >= 3)
  1814. b43_nphy_gain_ctl_workarounds_rev3plus(dev);
  1815. else
  1816. b43_nphy_gain_ctl_workarounds_rev1_2(dev);
  1817. }
  1818. /* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
  1819. static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
  1820. {
  1821. if (!offset)
  1822. offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
  1823. return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
  1824. }
  1825. static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
  1826. {
  1827. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1828. struct b43_phy *phy = &dev->phy;
  1829. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  1830. 0x1F };
  1831. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  1832. u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
  1833. u8 ntab7_138_146[] = { 0x11, 0x11 };
  1834. u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
  1835. u16 lpf_20, lpf_40, lpf_11b;
  1836. u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
  1837. u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
  1838. bool rccal_ovrd = false;
  1839. u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
  1840. u16 bias, conv, filt;
  1841. u32 tmp32;
  1842. u8 core;
  1843. if (phy->rev == 7) {
  1844. b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
  1845. b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
  1846. b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
  1847. b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
  1848. b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
  1849. b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
  1850. b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
  1851. b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
  1852. b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
  1853. b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
  1854. b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
  1855. b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
  1856. b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
  1857. b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
  1858. b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
  1859. b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
  1860. b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
  1861. }
  1862. if (phy->rev <= 8) {
  1863. b43_phy_write(dev, 0x23F, 0x1B0);
  1864. b43_phy_write(dev, 0x240, 0x1B0);
  1865. }
  1866. if (phy->rev >= 8)
  1867. b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
  1868. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
  1869. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
  1870. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  1871. tmp32 &= 0xffffff;
  1872. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  1873. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
  1874. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
  1875. if (b43_nphy_ipa(dev))
  1876. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  1877. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  1878. b43_phy_maskset(dev, 0x299, 0x3FFF, 0x4000);
  1879. b43_phy_maskset(dev, 0x29D, 0x3FFF, 0x4000);
  1880. lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
  1881. lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
  1882. lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
  1883. if (b43_nphy_ipa(dev)) {
  1884. if ((phy->radio_rev == 5 && phy->is_40mhz) ||
  1885. phy->radio_rev == 7 || phy->radio_rev == 8) {
  1886. bcap_val = b43_radio_read(dev, 0x16b);
  1887. scap_val = b43_radio_read(dev, 0x16a);
  1888. scap_val_11b = scap_val;
  1889. bcap_val_11b = bcap_val;
  1890. if (phy->radio_rev == 5 && phy->is_40mhz) {
  1891. scap_val_11n_20 = scap_val;
  1892. bcap_val_11n_20 = bcap_val;
  1893. scap_val_11n_40 = bcap_val_11n_40 = 0xc;
  1894. rccal_ovrd = true;
  1895. } else { /* Rev 7/8 */
  1896. lpf_20 = 4;
  1897. lpf_11b = 1;
  1898. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1899. scap_val_11n_20 = 0xc;
  1900. bcap_val_11n_20 = 0xc;
  1901. scap_val_11n_40 = 0xa;
  1902. bcap_val_11n_40 = 0xa;
  1903. } else {
  1904. scap_val_11n_20 = 0x14;
  1905. bcap_val_11n_20 = 0x14;
  1906. scap_val_11n_40 = 0xf;
  1907. bcap_val_11n_40 = 0xf;
  1908. }
  1909. rccal_ovrd = true;
  1910. }
  1911. }
  1912. } else {
  1913. if (phy->radio_rev == 5) {
  1914. lpf_20 = 1;
  1915. lpf_40 = 3;
  1916. bcap_val = b43_radio_read(dev, 0x16b);
  1917. scap_val = b43_radio_read(dev, 0x16a);
  1918. scap_val_11b = scap_val;
  1919. bcap_val_11b = bcap_val;
  1920. scap_val_11n_20 = 0x11;
  1921. scap_val_11n_40 = 0x11;
  1922. bcap_val_11n_20 = 0x13;
  1923. bcap_val_11n_40 = 0x13;
  1924. rccal_ovrd = true;
  1925. }
  1926. }
  1927. if (rccal_ovrd) {
  1928. rx2tx_lut_20_11b = (bcap_val_11b << 8) |
  1929. (scap_val_11b << 3) |
  1930. lpf_11b;
  1931. rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
  1932. (scap_val_11n_20 << 3) |
  1933. lpf_20;
  1934. rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
  1935. (scap_val_11n_40 << 3) |
  1936. lpf_40;
  1937. for (core = 0; core < 2; core++) {
  1938. b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
  1939. rx2tx_lut_20_11b);
  1940. b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
  1941. rx2tx_lut_20_11n);
  1942. b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
  1943. rx2tx_lut_20_11n);
  1944. b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
  1945. rx2tx_lut_40_11n);
  1946. b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
  1947. rx2tx_lut_40_11n);
  1948. b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
  1949. rx2tx_lut_40_11n);
  1950. b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
  1951. rx2tx_lut_40_11n);
  1952. b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
  1953. rx2tx_lut_40_11n);
  1954. }
  1955. /* b43_nphy_rf_control_override_rev7(dev, 16, 1, 3, 0, 2); */
  1956. }
  1957. b43_phy_write(dev, 0x32F, 0x3);
  1958. if (phy->radio_rev == 4 || phy->radio_rev == 6)
  1959. ; /* b43_nphy_rf_control_override_rev7(dev, 4, 1, 3, 0, 0); */
  1960. if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
  1961. if (sprom->revision &&
  1962. sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
  1963. b43_radio_write(dev, 0x5, 0x05);
  1964. b43_radio_write(dev, 0x6, 0x30);
  1965. b43_radio_write(dev, 0x7, 0x00);
  1966. b43_radio_set(dev, 0x4f, 0x1);
  1967. b43_radio_set(dev, 0xd4, 0x1);
  1968. bias = 0x1f;
  1969. conv = 0x6f;
  1970. filt = 0xaa;
  1971. } else {
  1972. bias = 0x2b;
  1973. conv = 0x7f;
  1974. filt = 0xee;
  1975. }
  1976. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1977. for (core = 0; core < 2; core++) {
  1978. if (core == 0) {
  1979. b43_radio_write(dev, 0x5F, bias);
  1980. b43_radio_write(dev, 0x64, conv);
  1981. b43_radio_write(dev, 0x66, filt);
  1982. } else {
  1983. b43_radio_write(dev, 0xE8, bias);
  1984. b43_radio_write(dev, 0xE9, conv);
  1985. b43_radio_write(dev, 0xEB, filt);
  1986. }
  1987. }
  1988. }
  1989. }
  1990. if (b43_nphy_ipa(dev)) {
  1991. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1992. if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
  1993. phy->radio_rev == 6) {
  1994. for (core = 0; core < 2; core++) {
  1995. if (core == 0)
  1996. b43_radio_write(dev, 0x51,
  1997. 0x7f);
  1998. else
  1999. b43_radio_write(dev, 0xd6,
  2000. 0x7f);
  2001. }
  2002. }
  2003. if (phy->radio_rev == 3) {
  2004. for (core = 0; core < 2; core++) {
  2005. if (core == 0) {
  2006. b43_radio_write(dev, 0x64,
  2007. 0x13);
  2008. b43_radio_write(dev, 0x5F,
  2009. 0x1F);
  2010. b43_radio_write(dev, 0x66,
  2011. 0xEE);
  2012. b43_radio_write(dev, 0x59,
  2013. 0x8A);
  2014. b43_radio_write(dev, 0x80,
  2015. 0x3E);
  2016. } else {
  2017. b43_radio_write(dev, 0x69,
  2018. 0x13);
  2019. b43_radio_write(dev, 0xE8,
  2020. 0x1F);
  2021. b43_radio_write(dev, 0xEB,
  2022. 0xEE);
  2023. b43_radio_write(dev, 0xDE,
  2024. 0x8A);
  2025. b43_radio_write(dev, 0x105,
  2026. 0x3E);
  2027. }
  2028. }
  2029. } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
  2030. if (!phy->is_40mhz) {
  2031. b43_radio_write(dev, 0x5F, 0x14);
  2032. b43_radio_write(dev, 0xE8, 0x12);
  2033. } else {
  2034. b43_radio_write(dev, 0x5F, 0x16);
  2035. b43_radio_write(dev, 0xE8, 0x16);
  2036. }
  2037. }
  2038. } else {
  2039. u16 freq = phy->channel_freq;
  2040. if ((freq >= 5180 && freq <= 5230) ||
  2041. (freq >= 5745 && freq <= 5805)) {
  2042. b43_radio_write(dev, 0x7D, 0xFF);
  2043. b43_radio_write(dev, 0xFE, 0xFF);
  2044. }
  2045. }
  2046. } else {
  2047. if (phy->radio_rev != 5) {
  2048. for (core = 0; core < 2; core++) {
  2049. if (core == 0) {
  2050. b43_radio_write(dev, 0x5c, 0x61);
  2051. b43_radio_write(dev, 0x51, 0x70);
  2052. } else {
  2053. b43_radio_write(dev, 0xe1, 0x61);
  2054. b43_radio_write(dev, 0xd6, 0x70);
  2055. }
  2056. }
  2057. }
  2058. }
  2059. if (phy->radio_rev == 4) {
  2060. b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
  2061. b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
  2062. for (core = 0; core < 2; core++) {
  2063. if (core == 0) {
  2064. b43_radio_write(dev, 0x1a1, 0x00);
  2065. b43_radio_write(dev, 0x1a2, 0x3f);
  2066. b43_radio_write(dev, 0x1a6, 0x3f);
  2067. } else {
  2068. b43_radio_write(dev, 0x1a7, 0x00);
  2069. b43_radio_write(dev, 0x1ab, 0x3f);
  2070. b43_radio_write(dev, 0x1ac, 0x3f);
  2071. }
  2072. }
  2073. } else {
  2074. b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
  2075. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
  2076. b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
  2077. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
  2078. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
  2079. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
  2080. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
  2081. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
  2082. b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
  2083. b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
  2084. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
  2085. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
  2086. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
  2087. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
  2088. }
  2089. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
  2090. b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
  2091. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
  2092. b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
  2093. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
  2094. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
  2095. b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
  2096. b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
  2097. if (!phy->is_40mhz) {
  2098. b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
  2099. b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
  2100. } else {
  2101. b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
  2102. b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
  2103. }
  2104. b43_nphy_gain_ctl_workarounds(dev);
  2105. /* TODO
  2106. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
  2107. aux_adc_vmid_rev7_core0);
  2108. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
  2109. aux_adc_vmid_rev7_core1);
  2110. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
  2111. aux_adc_gain_rev7);
  2112. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
  2113. aux_adc_gain_rev7);
  2114. */
  2115. }
  2116. static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
  2117. {
  2118. struct b43_phy_n *nphy = dev->phy.n;
  2119. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2120. /* TX to RX */
  2121. u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
  2122. u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
  2123. /* RX to TX */
  2124. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  2125. 0x1F };
  2126. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  2127. u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
  2128. u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
  2129. u16 tmp16;
  2130. u32 tmp32;
  2131. b43_phy_write(dev, 0x23f, 0x1f8);
  2132. b43_phy_write(dev, 0x240, 0x1f8);
  2133. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  2134. tmp32 &= 0xffffff;
  2135. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  2136. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
  2137. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
  2138. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
  2139. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
  2140. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
  2141. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
  2142. b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
  2143. b43_phy_write(dev, 0x2AE, 0x000C);
  2144. /* TX to RX */
  2145. b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
  2146. ARRAY_SIZE(tx2rx_events));
  2147. /* RX to TX */
  2148. if (b43_nphy_ipa(dev))
  2149. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  2150. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  2151. if (nphy->hw_phyrxchain != 3 &&
  2152. nphy->hw_phyrxchain != nphy->hw_phytxchain) {
  2153. if (b43_nphy_ipa(dev)) {
  2154. rx2tx_delays[5] = 59;
  2155. rx2tx_delays[6] = 1;
  2156. rx2tx_events[7] = 0x1F;
  2157. }
  2158. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
  2159. ARRAY_SIZE(rx2tx_events));
  2160. }
  2161. tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
  2162. 0x2 : 0x9C40;
  2163. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
  2164. b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
  2165. if (!dev->phy.is_40mhz) {
  2166. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
  2167. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
  2168. } else {
  2169. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
  2170. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
  2171. }
  2172. b43_nphy_gain_ctl_workarounds(dev);
  2173. b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
  2174. b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
  2175. /* TODO */
  2176. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  2177. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  2178. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  2179. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  2180. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  2181. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  2182. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  2183. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  2184. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  2185. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  2186. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  2187. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  2188. /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
  2189. if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  2190. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
  2191. (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  2192. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
  2193. tmp32 = 0x00088888;
  2194. else
  2195. tmp32 = 0x88888888;
  2196. b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
  2197. b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
  2198. b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
  2199. if (dev->phy.rev == 4 &&
  2200. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2201. b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
  2202. 0x70);
  2203. b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
  2204. 0x70);
  2205. }
  2206. /* Dropped probably-always-true condition */
  2207. b43_phy_write(dev, 0x224, 0x03eb);
  2208. b43_phy_write(dev, 0x225, 0x03eb);
  2209. b43_phy_write(dev, 0x226, 0x0341);
  2210. b43_phy_write(dev, 0x227, 0x0341);
  2211. b43_phy_write(dev, 0x228, 0x042b);
  2212. b43_phy_write(dev, 0x229, 0x042b);
  2213. b43_phy_write(dev, 0x22a, 0x0381);
  2214. b43_phy_write(dev, 0x22b, 0x0381);
  2215. b43_phy_write(dev, 0x22c, 0x042b);
  2216. b43_phy_write(dev, 0x22d, 0x042b);
  2217. b43_phy_write(dev, 0x22e, 0x0381);
  2218. b43_phy_write(dev, 0x22f, 0x0381);
  2219. if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
  2220. ; /* TODO: 0x0080000000000000 HF */
  2221. }
  2222. static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
  2223. {
  2224. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2225. struct b43_phy *phy = &dev->phy;
  2226. struct b43_phy_n *nphy = phy->n;
  2227. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  2228. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  2229. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  2230. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  2231. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  2232. dev->dev->board_type == 0x8B) {
  2233. delays1[0] = 0x1;
  2234. delays1[5] = 0x14;
  2235. }
  2236. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  2237. nphy->band5g_pwrgain) {
  2238. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  2239. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  2240. } else {
  2241. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  2242. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  2243. }
  2244. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
  2245. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
  2246. if (dev->phy.rev < 3) {
  2247. b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
  2248. b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
  2249. }
  2250. if (dev->phy.rev < 2) {
  2251. b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
  2252. b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
  2253. b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
  2254. b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
  2255. b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
  2256. b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
  2257. }
  2258. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  2259. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  2260. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  2261. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  2262. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  2263. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  2264. b43_nphy_gain_ctl_workarounds(dev);
  2265. if (dev->phy.rev < 2) {
  2266. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  2267. b43_hf_write(dev, b43_hf_read(dev) |
  2268. B43_HF_MLADVW);
  2269. } else if (dev->phy.rev == 2) {
  2270. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  2271. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  2272. }
  2273. if (dev->phy.rev < 2)
  2274. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  2275. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  2276. /* Set phase track alpha and beta */
  2277. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  2278. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  2279. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  2280. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  2281. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  2282. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  2283. if (dev->phy.rev < 3) {
  2284. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  2285. ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
  2286. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  2287. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  2288. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  2289. }
  2290. if (dev->phy.rev == 2)
  2291. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  2292. B43_NPHY_FINERX2_CGC_DECGC);
  2293. }
  2294. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  2295. static void b43_nphy_workarounds(struct b43_wldev *dev)
  2296. {
  2297. struct b43_phy *phy = &dev->phy;
  2298. struct b43_phy_n *nphy = phy->n;
  2299. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2300. b43_nphy_classifier(dev, 1, 0);
  2301. else
  2302. b43_nphy_classifier(dev, 1, 1);
  2303. if (nphy->hang_avoid)
  2304. b43_nphy_stay_in_carrier_search(dev, 1);
  2305. b43_phy_set(dev, B43_NPHY_IQFLIP,
  2306. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  2307. if (dev->phy.rev >= 7)
  2308. b43_nphy_workarounds_rev7plus(dev);
  2309. else if (dev->phy.rev >= 3)
  2310. b43_nphy_workarounds_rev3plus(dev);
  2311. else
  2312. b43_nphy_workarounds_rev1_2(dev);
  2313. if (nphy->hang_avoid)
  2314. b43_nphy_stay_in_carrier_search(dev, 0);
  2315. }
  2316. /**************************************************
  2317. * Tx/Rx common
  2318. **************************************************/
  2319. /*
  2320. * Transmits a known value for LO calibration
  2321. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  2322. */
  2323. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  2324. bool iqmode, bool dac_test)
  2325. {
  2326. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  2327. if (samp == 0)
  2328. return -1;
  2329. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  2330. return 0;
  2331. }
  2332. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  2333. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  2334. {
  2335. struct b43_phy_n *nphy = dev->phy.n;
  2336. bool override = false;
  2337. u16 chain = 0x33;
  2338. if (nphy->txrx_chain == 0) {
  2339. chain = 0x11;
  2340. override = true;
  2341. } else if (nphy->txrx_chain == 1) {
  2342. chain = 0x22;
  2343. override = true;
  2344. }
  2345. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2346. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  2347. chain);
  2348. if (override)
  2349. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  2350. B43_NPHY_RFSEQMODE_CAOVER);
  2351. else
  2352. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  2353. ~B43_NPHY_RFSEQMODE_CAOVER);
  2354. }
  2355. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  2356. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  2357. {
  2358. struct b43_phy_n *nphy = dev->phy.n;
  2359. u16 tmp;
  2360. if (nphy->hang_avoid)
  2361. b43_nphy_stay_in_carrier_search(dev, 1);
  2362. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  2363. if (tmp & 0x1)
  2364. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  2365. else if (tmp & 0x2)
  2366. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  2367. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  2368. if (nphy->bb_mult_save & 0x80000000) {
  2369. tmp = nphy->bb_mult_save & 0xFFFF;
  2370. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  2371. nphy->bb_mult_save = 0;
  2372. }
  2373. if (nphy->hang_avoid)
  2374. b43_nphy_stay_in_carrier_search(dev, 0);
  2375. }
  2376. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  2377. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  2378. struct nphy_txgains target,
  2379. struct nphy_iqcal_params *params)
  2380. {
  2381. int i, j, indx;
  2382. u16 gain;
  2383. if (dev->phy.rev >= 3) {
  2384. params->txgm = target.txgm[core];
  2385. params->pga = target.pga[core];
  2386. params->pad = target.pad[core];
  2387. params->ipa = target.ipa[core];
  2388. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  2389. (params->pad << 4) | (params->ipa);
  2390. for (j = 0; j < 5; j++)
  2391. params->ncorr[j] = 0x79;
  2392. } else {
  2393. gain = (target.pad[core]) | (target.pga[core] << 4) |
  2394. (target.txgm[core] << 8);
  2395. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  2396. 1 : 0;
  2397. for (i = 0; i < 9; i++)
  2398. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  2399. break;
  2400. i = min(i, 8);
  2401. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  2402. params->pga = tbl_iqcal_gainparams[indx][i][2];
  2403. params->pad = tbl_iqcal_gainparams[indx][i][3];
  2404. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  2405. (params->pad << 2);
  2406. for (j = 0; j < 4; j++)
  2407. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  2408. }
  2409. }
  2410. /**************************************************
  2411. * Tx and Rx
  2412. **************************************************/
  2413. void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  2414. {//TODO
  2415. }
  2416. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  2417. {//TODO
  2418. }
  2419. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  2420. bool ignore_tssi)
  2421. {//TODO
  2422. return B43_TXPWR_RES_DONE;
  2423. }
  2424. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
  2425. static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
  2426. {
  2427. struct b43_phy_n *nphy = dev->phy.n;
  2428. u8 i;
  2429. u16 bmask, val, tmp;
  2430. enum ieee80211_band band = b43_current_band(dev->wl);
  2431. if (nphy->hang_avoid)
  2432. b43_nphy_stay_in_carrier_search(dev, 1);
  2433. nphy->txpwrctrl = enable;
  2434. if (!enable) {
  2435. if (dev->phy.rev >= 3 &&
  2436. (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
  2437. (B43_NPHY_TXPCTL_CMD_COEFF |
  2438. B43_NPHY_TXPCTL_CMD_HWPCTLEN |
  2439. B43_NPHY_TXPCTL_CMD_PCTLEN))) {
  2440. /* We disable enabled TX pwr ctl, save it's state */
  2441. nphy->tx_pwr_idx[0] = b43_phy_read(dev,
  2442. B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
  2443. nphy->tx_pwr_idx[1] = b43_phy_read(dev,
  2444. B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
  2445. }
  2446. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
  2447. for (i = 0; i < 84; i++)
  2448. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  2449. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
  2450. for (i = 0; i < 84; i++)
  2451. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  2452. tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2453. if (dev->phy.rev >= 3)
  2454. tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2455. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
  2456. if (dev->phy.rev >= 3) {
  2457. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  2458. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  2459. } else {
  2460. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  2461. }
  2462. if (dev->phy.rev == 2)
  2463. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2464. ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
  2465. else if (dev->phy.rev < 2)
  2466. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2467. ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
  2468. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  2469. b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
  2470. } else {
  2471. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
  2472. nphy->adj_pwr_tbl);
  2473. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
  2474. nphy->adj_pwr_tbl);
  2475. bmask = B43_NPHY_TXPCTL_CMD_COEFF |
  2476. B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2477. /* wl does useless check for "enable" param here */
  2478. val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2479. if (dev->phy.rev >= 3) {
  2480. bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2481. if (val)
  2482. val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2483. }
  2484. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
  2485. if (band == IEEE80211_BAND_5GHZ) {
  2486. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2487. ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
  2488. if (dev->phy.rev > 1)
  2489. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2490. ~B43_NPHY_TXPCTL_INIT_PIDXI1,
  2491. 0x64);
  2492. }
  2493. if (dev->phy.rev >= 3) {
  2494. if (nphy->tx_pwr_idx[0] != 128 &&
  2495. nphy->tx_pwr_idx[1] != 128) {
  2496. /* Recover TX pwr ctl state */
  2497. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2498. ~B43_NPHY_TXPCTL_CMD_INIT,
  2499. nphy->tx_pwr_idx[0]);
  2500. if (dev->phy.rev > 1)
  2501. b43_phy_maskset(dev,
  2502. B43_NPHY_TXPCTL_INIT,
  2503. ~0xff, nphy->tx_pwr_idx[1]);
  2504. }
  2505. }
  2506. if (dev->phy.rev >= 3) {
  2507. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
  2508. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
  2509. } else {
  2510. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
  2511. }
  2512. if (dev->phy.rev == 2)
  2513. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
  2514. else if (dev->phy.rev < 2)
  2515. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
  2516. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  2517. b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
  2518. if (b43_nphy_ipa(dev)) {
  2519. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
  2520. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
  2521. }
  2522. }
  2523. if (nphy->hang_avoid)
  2524. b43_nphy_stay_in_carrier_search(dev, 0);
  2525. }
  2526. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
  2527. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  2528. {
  2529. struct b43_phy_n *nphy = dev->phy.n;
  2530. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2531. u8 txpi[2], bbmult, i;
  2532. u16 tmp, radio_gain, dac_gain;
  2533. u16 freq = dev->phy.channel_freq;
  2534. u32 txgain;
  2535. /* u32 gaintbl; rev3+ */
  2536. if (nphy->hang_avoid)
  2537. b43_nphy_stay_in_carrier_search(dev, 1);
  2538. if (dev->phy.rev >= 7) {
  2539. txpi[0] = txpi[1] = 30;
  2540. } else if (dev->phy.rev >= 3) {
  2541. txpi[0] = 40;
  2542. txpi[1] = 40;
  2543. } else if (sprom->revision < 4) {
  2544. txpi[0] = 72;
  2545. txpi[1] = 72;
  2546. } else {
  2547. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2548. txpi[0] = sprom->txpid2g[0];
  2549. txpi[1] = sprom->txpid2g[1];
  2550. } else if (freq >= 4900 && freq < 5100) {
  2551. txpi[0] = sprom->txpid5gl[0];
  2552. txpi[1] = sprom->txpid5gl[1];
  2553. } else if (freq >= 5100 && freq < 5500) {
  2554. txpi[0] = sprom->txpid5g[0];
  2555. txpi[1] = sprom->txpid5g[1];
  2556. } else if (freq >= 5500) {
  2557. txpi[0] = sprom->txpid5gh[0];
  2558. txpi[1] = sprom->txpid5gh[1];
  2559. } else {
  2560. txpi[0] = 91;
  2561. txpi[1] = 91;
  2562. }
  2563. }
  2564. if (dev->phy.rev < 7 &&
  2565. (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
  2566. txpi[0] = txpi[1] = 91;
  2567. /*
  2568. for (i = 0; i < 2; i++) {
  2569. nphy->txpwrindex[i].index_internal = txpi[i];
  2570. nphy->txpwrindex[i].index_internal_save = txpi[i];
  2571. }
  2572. */
  2573. for (i = 0; i < 2; i++) {
  2574. txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
  2575. if (dev->phy.rev >= 3)
  2576. radio_gain = (txgain >> 16) & 0x1FFFF;
  2577. else
  2578. radio_gain = (txgain >> 16) & 0x1FFF;
  2579. if (dev->phy.rev >= 7)
  2580. dac_gain = (txgain >> 8) & 0x7;
  2581. else
  2582. dac_gain = (txgain >> 8) & 0x3F;
  2583. bbmult = txgain & 0xFF;
  2584. if (dev->phy.rev >= 3) {
  2585. if (i == 0)
  2586. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  2587. else
  2588. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  2589. } else {
  2590. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  2591. }
  2592. if (i == 0)
  2593. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
  2594. else
  2595. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
  2596. b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
  2597. tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
  2598. if (i == 0)
  2599. tmp = (tmp & 0x00FF) | (bbmult << 8);
  2600. else
  2601. tmp = (tmp & 0xFF00) | bbmult;
  2602. b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
  2603. if (b43_nphy_ipa(dev)) {
  2604. u32 tmp32;
  2605. u16 reg = (i == 0) ?
  2606. B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
  2607. tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
  2608. 576 + txpi[i]));
  2609. b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
  2610. b43_phy_set(dev, reg, 0x4);
  2611. }
  2612. }
  2613. b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
  2614. if (nphy->hang_avoid)
  2615. b43_nphy_stay_in_carrier_search(dev, 0);
  2616. }
  2617. static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
  2618. {
  2619. struct b43_phy *phy = &dev->phy;
  2620. u8 core;
  2621. u16 r; /* routing */
  2622. if (phy->rev >= 7) {
  2623. for (core = 0; core < 2; core++) {
  2624. r = core ? 0x190 : 0x170;
  2625. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2626. b43_radio_write(dev, r + 0x5, 0x5);
  2627. b43_radio_write(dev, r + 0x9, 0xE);
  2628. if (phy->rev != 5)
  2629. b43_radio_write(dev, r + 0xA, 0);
  2630. if (phy->rev != 7)
  2631. b43_radio_write(dev, r + 0xB, 1);
  2632. else
  2633. b43_radio_write(dev, r + 0xB, 0x31);
  2634. } else {
  2635. b43_radio_write(dev, r + 0x5, 0x9);
  2636. b43_radio_write(dev, r + 0x9, 0xC);
  2637. b43_radio_write(dev, r + 0xB, 0x0);
  2638. if (phy->rev != 5)
  2639. b43_radio_write(dev, r + 0xA, 1);
  2640. else
  2641. b43_radio_write(dev, r + 0xA, 0x31);
  2642. }
  2643. b43_radio_write(dev, r + 0x6, 0);
  2644. b43_radio_write(dev, r + 0x7, 0);
  2645. b43_radio_write(dev, r + 0x8, 3);
  2646. b43_radio_write(dev, r + 0xC, 0);
  2647. }
  2648. } else {
  2649. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2650. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
  2651. else
  2652. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
  2653. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
  2654. b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
  2655. for (core = 0; core < 2; core++) {
  2656. r = core ? B2056_TX1 : B2056_TX0;
  2657. b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
  2658. b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
  2659. b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
  2660. b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
  2661. b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
  2662. b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
  2663. b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
  2664. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2665. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2666. 0x5);
  2667. if (phy->rev != 5)
  2668. b43_radio_write(dev, r | B2056_TX_TSSIA,
  2669. 0x00);
  2670. if (phy->rev >= 5)
  2671. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2672. 0x31);
  2673. else
  2674. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2675. 0x11);
  2676. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2677. 0xE);
  2678. } else {
  2679. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2680. 0x9);
  2681. b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
  2682. b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
  2683. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2684. 0xC);
  2685. }
  2686. }
  2687. }
  2688. }
  2689. /*
  2690. * Stop radio and transmit known signal. Then check received signal strength to
  2691. * get TSSI (Transmit Signal Strength Indicator).
  2692. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
  2693. */
  2694. static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
  2695. {
  2696. struct b43_phy *phy = &dev->phy;
  2697. struct b43_phy_n *nphy = dev->phy.n;
  2698. u32 tmp;
  2699. s32 rssi[4] = { };
  2700. /* TODO: check if we can transmit */
  2701. if (b43_nphy_ipa(dev))
  2702. b43_nphy_ipa_internal_tssi_setup(dev);
  2703. if (phy->rev >= 7)
  2704. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
  2705. else if (phy->rev >= 3)
  2706. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
  2707. b43_nphy_stop_playback(dev);
  2708. b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
  2709. udelay(20);
  2710. tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
  2711. b43_nphy_stop_playback(dev);
  2712. b43_nphy_rssi_select(dev, 0, 0);
  2713. if (phy->rev >= 7)
  2714. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
  2715. else if (phy->rev >= 3)
  2716. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
  2717. if (phy->rev >= 3) {
  2718. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
  2719. nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
  2720. } else {
  2721. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
  2722. nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
  2723. }
  2724. nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
  2725. nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
  2726. }
  2727. /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
  2728. static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
  2729. {
  2730. struct b43_phy_n *nphy = dev->phy.n;
  2731. u8 idx, delta;
  2732. u8 i, stf_mode;
  2733. for (i = 0; i < 4; i++)
  2734. nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
  2735. for (stf_mode = 0; stf_mode < 4; stf_mode++) {
  2736. delta = 0;
  2737. switch (stf_mode) {
  2738. case 0:
  2739. if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
  2740. idx = 68;
  2741. } else {
  2742. delta = 1;
  2743. idx = dev->phy.is_40mhz ? 52 : 4;
  2744. }
  2745. break;
  2746. case 1:
  2747. idx = dev->phy.is_40mhz ? 76 : 28;
  2748. break;
  2749. case 2:
  2750. idx = dev->phy.is_40mhz ? 84 : 36;
  2751. break;
  2752. case 3:
  2753. idx = dev->phy.is_40mhz ? 92 : 44;
  2754. break;
  2755. }
  2756. for (i = 0; i < 20; i++) {
  2757. nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
  2758. nphy->tx_power_offset[idx];
  2759. if (i == 0)
  2760. idx += delta;
  2761. if (i == 14)
  2762. idx += 1 - delta;
  2763. if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
  2764. i == 13)
  2765. idx += 1;
  2766. }
  2767. }
  2768. }
  2769. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
  2770. static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
  2771. {
  2772. struct b43_phy_n *nphy = dev->phy.n;
  2773. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2774. s16 a1[2], b0[2], b1[2];
  2775. u8 idle[2];
  2776. s8 target[2];
  2777. s32 num, den, pwr;
  2778. u32 regval[64];
  2779. u16 freq = dev->phy.channel_freq;
  2780. u16 tmp;
  2781. u16 r; /* routing */
  2782. u8 i, c;
  2783. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2784. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2785. b43_read32(dev, B43_MMIO_MACCTL);
  2786. udelay(1);
  2787. }
  2788. if (nphy->hang_avoid)
  2789. b43_nphy_stay_in_carrier_search(dev, true);
  2790. b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
  2791. if (dev->phy.rev >= 3)
  2792. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
  2793. ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
  2794. else
  2795. b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
  2796. B43_NPHY_TXPCTL_CMD_PCTLEN);
  2797. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2798. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2799. if (sprom->revision < 4) {
  2800. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
  2801. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
  2802. target[0] = target[1] = 52;
  2803. a1[0] = a1[1] = -424;
  2804. b0[0] = b0[1] = 5612;
  2805. b1[0] = b1[1] = -1393;
  2806. } else {
  2807. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2808. for (c = 0; c < 2; c++) {
  2809. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
  2810. target[c] = sprom->core_pwr_info[c].maxpwr_2g;
  2811. a1[c] = sprom->core_pwr_info[c].pa_2g[0];
  2812. b0[c] = sprom->core_pwr_info[c].pa_2g[1];
  2813. b1[c] = sprom->core_pwr_info[c].pa_2g[2];
  2814. }
  2815. } else if (freq >= 4900 && freq < 5100) {
  2816. for (c = 0; c < 2; c++) {
  2817. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2818. target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
  2819. a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
  2820. b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
  2821. b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
  2822. }
  2823. } else if (freq >= 5100 && freq < 5500) {
  2824. for (c = 0; c < 2; c++) {
  2825. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2826. target[c] = sprom->core_pwr_info[c].maxpwr_5g;
  2827. a1[c] = sprom->core_pwr_info[c].pa_5g[0];
  2828. b0[c] = sprom->core_pwr_info[c].pa_5g[1];
  2829. b1[c] = sprom->core_pwr_info[c].pa_5g[2];
  2830. }
  2831. } else if (freq >= 5500) {
  2832. for (c = 0; c < 2; c++) {
  2833. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2834. target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
  2835. a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
  2836. b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
  2837. b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
  2838. }
  2839. } else {
  2840. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
  2841. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
  2842. target[0] = target[1] = 52;
  2843. a1[0] = a1[1] = -424;
  2844. b0[0] = b0[1] = 5612;
  2845. b1[0] = b1[1] = -1393;
  2846. }
  2847. }
  2848. /* target[0] = target[1] = nphy->tx_power_max; */
  2849. if (dev->phy.rev >= 3) {
  2850. if (sprom->fem.ghz2.tssipos)
  2851. b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
  2852. if (dev->phy.rev >= 7) {
  2853. for (c = 0; c < 2; c++) {
  2854. r = c ? 0x190 : 0x170;
  2855. if (b43_nphy_ipa(dev))
  2856. b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
  2857. }
  2858. } else {
  2859. if (b43_nphy_ipa(dev)) {
  2860. tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  2861. b43_radio_write(dev,
  2862. B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
  2863. b43_radio_write(dev,
  2864. B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
  2865. } else {
  2866. b43_radio_write(dev,
  2867. B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
  2868. b43_radio_write(dev,
  2869. B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
  2870. }
  2871. }
  2872. }
  2873. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2874. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2875. b43_read32(dev, B43_MMIO_MACCTL);
  2876. udelay(1);
  2877. }
  2878. if (dev->phy.rev >= 7) {
  2879. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2880. ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
  2881. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2882. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
  2883. } else {
  2884. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2885. ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
  2886. if (dev->phy.rev > 1)
  2887. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2888. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
  2889. }
  2890. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2891. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2892. b43_phy_write(dev, B43_NPHY_TXPCTL_N,
  2893. 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
  2894. 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
  2895. b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
  2896. idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
  2897. idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
  2898. B43_NPHY_TXPCTL_ITSSI_BINF);
  2899. b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
  2900. target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
  2901. target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
  2902. for (c = 0; c < 2; c++) {
  2903. for (i = 0; i < 64; i++) {
  2904. num = 8 * (16 * b0[c] + b1[c] * i);
  2905. den = 32768 + a1[c] * i;
  2906. pwr = max((4 * num + den / 2) / den, -8);
  2907. if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
  2908. pwr = max(pwr, target[c] + 1);
  2909. regval[i] = pwr;
  2910. }
  2911. b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
  2912. }
  2913. b43_nphy_tx_prepare_adjusted_power_table(dev);
  2914. /*
  2915. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
  2916. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
  2917. */
  2918. if (nphy->hang_avoid)
  2919. b43_nphy_stay_in_carrier_search(dev, false);
  2920. }
  2921. static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
  2922. {
  2923. struct b43_phy *phy = &dev->phy;
  2924. const u32 *table = NULL;
  2925. u32 rfpwr_offset;
  2926. u8 pga_gain;
  2927. int i;
  2928. table = b43_nphy_get_tx_gain_table(dev);
  2929. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
  2930. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
  2931. if (phy->rev >= 3) {
  2932. #if 0
  2933. nphy->gmval = (table[0] >> 16) & 0x7000;
  2934. #endif
  2935. for (i = 0; i < 128; i++) {
  2936. pga_gain = (table[i] >> 24) & 0xF;
  2937. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2938. rfpwr_offset =
  2939. b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
  2940. else
  2941. rfpwr_offset =
  2942. 0; /* FIXME */
  2943. b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
  2944. rfpwr_offset);
  2945. b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
  2946. rfpwr_offset);
  2947. }
  2948. }
  2949. }
  2950. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  2951. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  2952. {
  2953. struct b43_phy_n *nphy = dev->phy.n;
  2954. enum ieee80211_band band;
  2955. u16 tmp;
  2956. if (!enable) {
  2957. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  2958. B43_NPHY_RFCTL_INTC1);
  2959. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  2960. B43_NPHY_RFCTL_INTC2);
  2961. band = b43_current_band(dev->wl);
  2962. if (dev->phy.rev >= 3) {
  2963. if (band == IEEE80211_BAND_5GHZ)
  2964. tmp = 0x600;
  2965. else
  2966. tmp = 0x480;
  2967. } else {
  2968. if (band == IEEE80211_BAND_5GHZ)
  2969. tmp = 0x180;
  2970. else
  2971. tmp = 0x120;
  2972. }
  2973. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2974. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2975. } else {
  2976. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  2977. nphy->rfctrl_intc1_save);
  2978. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  2979. nphy->rfctrl_intc2_save);
  2980. }
  2981. }
  2982. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  2983. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  2984. {
  2985. u16 tmp;
  2986. if (dev->phy.rev >= 3) {
  2987. if (b43_nphy_ipa(dev)) {
  2988. tmp = 4;
  2989. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  2990. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2991. }
  2992. tmp = 1;
  2993. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  2994. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2995. }
  2996. }
  2997. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  2998. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  2999. u16 samps, u8 time, bool wait)
  3000. {
  3001. int i;
  3002. u16 tmp;
  3003. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  3004. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  3005. if (wait)
  3006. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  3007. else
  3008. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  3009. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  3010. for (i = 1000; i; i--) {
  3011. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  3012. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  3013. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  3014. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  3015. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  3016. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  3017. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  3018. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  3019. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  3020. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  3021. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  3022. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  3023. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  3024. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  3025. return;
  3026. }
  3027. udelay(10);
  3028. }
  3029. memset(est, 0, sizeof(*est));
  3030. }
  3031. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  3032. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  3033. struct b43_phy_n_iq_comp *pcomp)
  3034. {
  3035. if (write) {
  3036. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  3037. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  3038. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  3039. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  3040. } else {
  3041. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  3042. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  3043. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  3044. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  3045. }
  3046. }
  3047. #if 0
  3048. /* Ready but not used anywhere */
  3049. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  3050. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  3051. {
  3052. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3053. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  3054. if (core == 0) {
  3055. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  3056. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  3057. } else {
  3058. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  3059. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  3060. }
  3061. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  3062. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  3063. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  3064. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  3065. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  3066. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  3067. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  3068. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  3069. }
  3070. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  3071. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  3072. {
  3073. u8 rxval, txval;
  3074. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3075. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  3076. if (core == 0) {
  3077. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  3078. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  3079. } else {
  3080. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  3081. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3082. }
  3083. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3084. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3085. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  3086. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  3087. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  3088. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  3089. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  3090. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  3091. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  3092. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  3093. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  3094. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  3095. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  3096. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  3097. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  3098. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  3099. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  3100. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  3101. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  3102. if (core == 0) {
  3103. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  3104. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  3105. } else {
  3106. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  3107. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  3108. }
  3109. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  3110. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  3111. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  3112. if (core == 0) {
  3113. rxval = 1;
  3114. txval = 8;
  3115. } else {
  3116. rxval = 4;
  3117. txval = 2;
  3118. }
  3119. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  3120. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  3121. }
  3122. #endif
  3123. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  3124. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  3125. {
  3126. int i;
  3127. s32 iq;
  3128. u32 ii;
  3129. u32 qq;
  3130. int iq_nbits, qq_nbits;
  3131. int arsh, brsh;
  3132. u16 tmp, a, b;
  3133. struct nphy_iq_est est;
  3134. struct b43_phy_n_iq_comp old;
  3135. struct b43_phy_n_iq_comp new = { };
  3136. bool error = false;
  3137. if (mask == 0)
  3138. return;
  3139. b43_nphy_rx_iq_coeffs(dev, false, &old);
  3140. b43_nphy_rx_iq_coeffs(dev, true, &new);
  3141. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  3142. new = old;
  3143. for (i = 0; i < 2; i++) {
  3144. if (i == 0 && (mask & 1)) {
  3145. iq = est.iq0_prod;
  3146. ii = est.i0_pwr;
  3147. qq = est.q0_pwr;
  3148. } else if (i == 1 && (mask & 2)) {
  3149. iq = est.iq1_prod;
  3150. ii = est.i1_pwr;
  3151. qq = est.q1_pwr;
  3152. } else {
  3153. continue;
  3154. }
  3155. if (ii + qq < 2) {
  3156. error = true;
  3157. break;
  3158. }
  3159. iq_nbits = fls(abs(iq));
  3160. qq_nbits = fls(qq);
  3161. arsh = iq_nbits - 20;
  3162. if (arsh >= 0) {
  3163. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  3164. tmp = ii >> arsh;
  3165. } else {
  3166. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  3167. tmp = ii << -arsh;
  3168. }
  3169. if (tmp == 0) {
  3170. error = true;
  3171. break;
  3172. }
  3173. a /= tmp;
  3174. brsh = qq_nbits - 11;
  3175. if (brsh >= 0) {
  3176. b = (qq << (31 - qq_nbits));
  3177. tmp = ii >> brsh;
  3178. } else {
  3179. b = (qq << (31 - qq_nbits));
  3180. tmp = ii << -brsh;
  3181. }
  3182. if (tmp == 0) {
  3183. error = true;
  3184. break;
  3185. }
  3186. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  3187. if (i == 0 && (mask & 0x1)) {
  3188. if (dev->phy.rev >= 3) {
  3189. new.a0 = a & 0x3FF;
  3190. new.b0 = b & 0x3FF;
  3191. } else {
  3192. new.a0 = b & 0x3FF;
  3193. new.b0 = a & 0x3FF;
  3194. }
  3195. } else if (i == 1 && (mask & 0x2)) {
  3196. if (dev->phy.rev >= 3) {
  3197. new.a1 = a & 0x3FF;
  3198. new.b1 = b & 0x3FF;
  3199. } else {
  3200. new.a1 = b & 0x3FF;
  3201. new.b1 = a & 0x3FF;
  3202. }
  3203. }
  3204. }
  3205. if (error)
  3206. new = old;
  3207. b43_nphy_rx_iq_coeffs(dev, true, &new);
  3208. }
  3209. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  3210. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  3211. {
  3212. u16 array[4];
  3213. b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
  3214. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  3215. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  3216. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  3217. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  3218. }
  3219. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  3220. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  3221. {
  3222. struct b43_phy_n *nphy = dev->phy.n;
  3223. u8 channel = dev->phy.channel;
  3224. int tone[2] = { 57, 58 };
  3225. u32 noise[2] = { 0x3FF, 0x3FF };
  3226. B43_WARN_ON(dev->phy.rev < 3);
  3227. if (nphy->hang_avoid)
  3228. b43_nphy_stay_in_carrier_search(dev, 1);
  3229. if (nphy->gband_spurwar_en) {
  3230. /* TODO: N PHY Adjust Analog Pfbw (7) */
  3231. if (channel == 11 && dev->phy.is_40mhz)
  3232. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  3233. else
  3234. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  3235. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  3236. }
  3237. if (nphy->aband_spurwar_en) {
  3238. if (channel == 54) {
  3239. tone[0] = 0x20;
  3240. noise[0] = 0x25F;
  3241. } else if (channel == 38 || channel == 102 || channel == 118) {
  3242. if (0 /* FIXME */) {
  3243. tone[0] = 0x20;
  3244. noise[0] = 0x21F;
  3245. } else {
  3246. tone[0] = 0;
  3247. noise[0] = 0;
  3248. }
  3249. } else if (channel == 134) {
  3250. tone[0] = 0x20;
  3251. noise[0] = 0x21F;
  3252. } else if (channel == 151) {
  3253. tone[0] = 0x10;
  3254. noise[0] = 0x23F;
  3255. } else if (channel == 153 || channel == 161) {
  3256. tone[0] = 0x30;
  3257. noise[0] = 0x23F;
  3258. } else {
  3259. tone[0] = 0;
  3260. noise[0] = 0;
  3261. }
  3262. if (!tone[0] && !noise[0])
  3263. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  3264. else
  3265. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  3266. }
  3267. if (nphy->hang_avoid)
  3268. b43_nphy_stay_in_carrier_search(dev, 0);
  3269. }
  3270. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  3271. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  3272. {
  3273. struct b43_phy_n *nphy = dev->phy.n;
  3274. int i, j;
  3275. u32 tmp;
  3276. u32 cur_real, cur_imag, real_part, imag_part;
  3277. u16 buffer[7];
  3278. if (nphy->hang_avoid)
  3279. b43_nphy_stay_in_carrier_search(dev, true);
  3280. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  3281. for (i = 0; i < 2; i++) {
  3282. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  3283. (buffer[i * 2 + 1] & 0x3FF);
  3284. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  3285. (((i + 26) << 10) | 320));
  3286. for (j = 0; j < 128; j++) {
  3287. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  3288. ((tmp >> 16) & 0xFFFF));
  3289. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  3290. (tmp & 0xFFFF));
  3291. }
  3292. }
  3293. for (i = 0; i < 2; i++) {
  3294. tmp = buffer[5 + i];
  3295. real_part = (tmp >> 8) & 0xFF;
  3296. imag_part = (tmp & 0xFF);
  3297. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  3298. (((i + 26) << 10) | 448));
  3299. if (dev->phy.rev >= 3) {
  3300. cur_real = real_part;
  3301. cur_imag = imag_part;
  3302. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  3303. }
  3304. for (j = 0; j < 128; j++) {
  3305. if (dev->phy.rev < 3) {
  3306. cur_real = (real_part * loscale[j] + 128) >> 8;
  3307. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  3308. tmp = ((cur_real & 0xFF) << 8) |
  3309. (cur_imag & 0xFF);
  3310. }
  3311. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  3312. ((tmp >> 16) & 0xFFFF));
  3313. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  3314. (tmp & 0xFFFF));
  3315. }
  3316. }
  3317. if (dev->phy.rev >= 3) {
  3318. b43_shm_write16(dev, B43_SHM_SHARED,
  3319. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  3320. b43_shm_write16(dev, B43_SHM_SHARED,
  3321. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  3322. }
  3323. if (nphy->hang_avoid)
  3324. b43_nphy_stay_in_carrier_search(dev, false);
  3325. }
  3326. /*
  3327. * Restore RSSI Calibration
  3328. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  3329. */
  3330. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  3331. {
  3332. struct b43_phy_n *nphy = dev->phy.n;
  3333. u16 *rssical_radio_regs = NULL;
  3334. u16 *rssical_phy_regs = NULL;
  3335. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3336. if (!nphy->rssical_chanspec_2G.center_freq)
  3337. return;
  3338. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  3339. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  3340. } else {
  3341. if (!nphy->rssical_chanspec_5G.center_freq)
  3342. return;
  3343. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  3344. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  3345. }
  3346. /* TODO use some definitions */
  3347. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  3348. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  3349. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  3350. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  3351. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  3352. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  3353. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  3354. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  3355. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  3356. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  3357. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  3358. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  3359. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  3360. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  3361. }
  3362. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  3363. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  3364. {
  3365. struct b43_phy_n *nphy = dev->phy.n;
  3366. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  3367. u16 tmp;
  3368. u8 offset, i;
  3369. if (dev->phy.rev >= 3) {
  3370. for (i = 0; i < 2; i++) {
  3371. tmp = (i == 0) ? 0x2000 : 0x3000;
  3372. offset = i * 11;
  3373. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  3374. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  3375. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  3376. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  3377. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  3378. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  3379. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  3380. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  3381. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  3382. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  3383. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  3384. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  3385. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  3386. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  3387. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  3388. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  3389. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  3390. if (nphy->ipa5g_on) {
  3391. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  3392. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  3393. } else {
  3394. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  3395. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  3396. }
  3397. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  3398. } else {
  3399. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  3400. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  3401. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  3402. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  3403. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  3404. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  3405. if (nphy->ipa2g_on) {
  3406. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  3407. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  3408. (dev->phy.rev < 5) ? 0x11 : 0x01);
  3409. } else {
  3410. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  3411. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  3412. }
  3413. }
  3414. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  3415. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  3416. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  3417. }
  3418. } else {
  3419. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  3420. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  3421. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  3422. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  3423. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  3424. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  3425. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  3426. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  3427. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  3428. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  3429. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  3430. B43_NPHY_BANDCTL_5GHZ)) {
  3431. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  3432. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  3433. } else {
  3434. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  3435. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  3436. }
  3437. if (dev->phy.rev < 2) {
  3438. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  3439. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  3440. } else {
  3441. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  3442. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  3443. }
  3444. }
  3445. }
  3446. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  3447. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  3448. {
  3449. struct b43_phy_n *nphy = dev->phy.n;
  3450. int i;
  3451. u16 scale, entry;
  3452. u16 tmp = nphy->txcal_bbmult;
  3453. if (core == 0)
  3454. tmp >>= 8;
  3455. tmp &= 0xff;
  3456. for (i = 0; i < 18; i++) {
  3457. scale = (ladder_lo[i].percent * tmp) / 100;
  3458. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  3459. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  3460. scale = (ladder_iq[i].percent * tmp) / 100;
  3461. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  3462. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  3463. }
  3464. }
  3465. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  3466. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  3467. {
  3468. int i;
  3469. for (i = 0; i < 15; i++)
  3470. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  3471. tbl_tx_filter_coef_rev4[2][i]);
  3472. }
  3473. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  3474. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  3475. {
  3476. int i, j;
  3477. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  3478. static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
  3479. for (i = 0; i < 3; i++)
  3480. for (j = 0; j < 15; j++)
  3481. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  3482. tbl_tx_filter_coef_rev4[i][j]);
  3483. if (dev->phy.is_40mhz) {
  3484. for (j = 0; j < 15; j++)
  3485. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3486. tbl_tx_filter_coef_rev4[3][j]);
  3487. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  3488. for (j = 0; j < 15; j++)
  3489. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3490. tbl_tx_filter_coef_rev4[5][j]);
  3491. }
  3492. if (dev->phy.channel == 14)
  3493. for (j = 0; j < 15; j++)
  3494. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3495. tbl_tx_filter_coef_rev4[6][j]);
  3496. }
  3497. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  3498. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  3499. {
  3500. struct b43_phy_n *nphy = dev->phy.n;
  3501. u16 curr_gain[2];
  3502. struct nphy_txgains target;
  3503. const u32 *table = NULL;
  3504. if (!nphy->txpwrctrl) {
  3505. int i;
  3506. if (nphy->hang_avoid)
  3507. b43_nphy_stay_in_carrier_search(dev, true);
  3508. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  3509. if (nphy->hang_avoid)
  3510. b43_nphy_stay_in_carrier_search(dev, false);
  3511. for (i = 0; i < 2; ++i) {
  3512. if (dev->phy.rev >= 3) {
  3513. target.ipa[i] = curr_gain[i] & 0x000F;
  3514. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  3515. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  3516. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  3517. } else {
  3518. target.ipa[i] = curr_gain[i] & 0x0003;
  3519. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  3520. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  3521. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  3522. }
  3523. }
  3524. } else {
  3525. int i;
  3526. u16 index[2];
  3527. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  3528. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3529. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3530. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  3531. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3532. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3533. for (i = 0; i < 2; ++i) {
  3534. table = b43_nphy_get_tx_gain_table(dev);
  3535. if (dev->phy.rev >= 3) {
  3536. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  3537. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  3538. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  3539. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  3540. } else {
  3541. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  3542. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  3543. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  3544. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  3545. }
  3546. }
  3547. }
  3548. return target;
  3549. }
  3550. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  3551. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  3552. {
  3553. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3554. if (dev->phy.rev >= 3) {
  3555. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  3556. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  3557. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  3558. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  3559. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  3560. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  3561. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  3562. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  3563. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  3564. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  3565. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  3566. b43_nphy_reset_cca(dev);
  3567. } else {
  3568. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  3569. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  3570. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  3571. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  3572. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  3573. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  3574. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  3575. }
  3576. }
  3577. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  3578. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  3579. {
  3580. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3581. u16 tmp;
  3582. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  3583. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  3584. if (dev->phy.rev >= 3) {
  3585. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  3586. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  3587. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  3588. regs[2] = tmp;
  3589. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  3590. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3591. regs[3] = tmp;
  3592. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  3593. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  3594. b43_phy_mask(dev, B43_NPHY_BBCFG,
  3595. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  3596. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  3597. regs[5] = tmp;
  3598. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  3599. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  3600. regs[6] = tmp;
  3601. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  3602. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3603. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3604. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  3605. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  3606. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  3607. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  3608. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  3609. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  3610. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  3611. } else {
  3612. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  3613. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  3614. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3615. regs[2] = tmp;
  3616. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  3617. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  3618. regs[3] = tmp;
  3619. tmp |= 0x2000;
  3620. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  3621. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  3622. regs[4] = tmp;
  3623. tmp |= 0x2000;
  3624. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  3625. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3626. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3627. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  3628. tmp = 0x0180;
  3629. else
  3630. tmp = 0x0120;
  3631. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  3632. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  3633. }
  3634. }
  3635. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  3636. static void b43_nphy_save_cal(struct b43_wldev *dev)
  3637. {
  3638. struct b43_phy_n *nphy = dev->phy.n;
  3639. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3640. u16 *txcal_radio_regs = NULL;
  3641. struct b43_chanspec *iqcal_chanspec;
  3642. u16 *table = NULL;
  3643. if (nphy->hang_avoid)
  3644. b43_nphy_stay_in_carrier_search(dev, 1);
  3645. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3646. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3647. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3648. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  3649. table = nphy->cal_cache.txcal_coeffs_2G;
  3650. } else {
  3651. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3652. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3653. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  3654. table = nphy->cal_cache.txcal_coeffs_5G;
  3655. }
  3656. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  3657. /* TODO use some definitions */
  3658. if (dev->phy.rev >= 3) {
  3659. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  3660. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  3661. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  3662. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  3663. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  3664. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  3665. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  3666. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  3667. } else {
  3668. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  3669. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  3670. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  3671. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  3672. }
  3673. iqcal_chanspec->center_freq = dev->phy.channel_freq;
  3674. iqcal_chanspec->channel_type = dev->phy.channel_type;
  3675. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
  3676. if (nphy->hang_avoid)
  3677. b43_nphy_stay_in_carrier_search(dev, 0);
  3678. }
  3679. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  3680. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  3681. {
  3682. struct b43_phy_n *nphy = dev->phy.n;
  3683. u16 coef[4];
  3684. u16 *loft = NULL;
  3685. u16 *table = NULL;
  3686. int i;
  3687. u16 *txcal_radio_regs = NULL;
  3688. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3689. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3690. if (!nphy->iqcal_chanspec_2G.center_freq)
  3691. return;
  3692. table = nphy->cal_cache.txcal_coeffs_2G;
  3693. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  3694. } else {
  3695. if (!nphy->iqcal_chanspec_5G.center_freq)
  3696. return;
  3697. table = nphy->cal_cache.txcal_coeffs_5G;
  3698. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  3699. }
  3700. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  3701. for (i = 0; i < 4; i++) {
  3702. if (dev->phy.rev >= 3)
  3703. table[i] = coef[i];
  3704. else
  3705. coef[i] = 0;
  3706. }
  3707. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  3708. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  3709. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  3710. if (dev->phy.rev < 2)
  3711. b43_nphy_tx_iq_workaround(dev);
  3712. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3713. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3714. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3715. } else {
  3716. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3717. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3718. }
  3719. /* TODO use some definitions */
  3720. if (dev->phy.rev >= 3) {
  3721. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  3722. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  3723. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  3724. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  3725. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  3726. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  3727. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  3728. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  3729. } else {
  3730. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  3731. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  3732. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  3733. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  3734. }
  3735. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  3736. }
  3737. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  3738. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  3739. struct nphy_txgains target,
  3740. bool full, bool mphase)
  3741. {
  3742. struct b43_phy_n *nphy = dev->phy.n;
  3743. int i;
  3744. int error = 0;
  3745. int freq;
  3746. bool avoid = false;
  3747. u8 length;
  3748. u16 tmp, core, type, count, max, numb, last = 0, cmd;
  3749. const u16 *table;
  3750. bool phy6or5x;
  3751. u16 buffer[11];
  3752. u16 diq_start = 0;
  3753. u16 save[2];
  3754. u16 gain[2];
  3755. struct nphy_iqcal_params params[2];
  3756. bool updated[2] = { };
  3757. b43_nphy_stay_in_carrier_search(dev, true);
  3758. if (dev->phy.rev >= 4) {
  3759. avoid = nphy->hang_avoid;
  3760. nphy->hang_avoid = false;
  3761. }
  3762. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3763. for (i = 0; i < 2; i++) {
  3764. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  3765. gain[i] = params[i].cal_gain;
  3766. }
  3767. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  3768. b43_nphy_tx_cal_radio_setup(dev);
  3769. b43_nphy_tx_cal_phy_setup(dev);
  3770. phy6or5x = dev->phy.rev >= 6 ||
  3771. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  3772. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  3773. if (phy6or5x) {
  3774. if (dev->phy.is_40mhz) {
  3775. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3776. tbl_tx_iqlo_cal_loft_ladder_40);
  3777. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3778. tbl_tx_iqlo_cal_iqimb_ladder_40);
  3779. } else {
  3780. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3781. tbl_tx_iqlo_cal_loft_ladder_20);
  3782. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3783. tbl_tx_iqlo_cal_iqimb_ladder_20);
  3784. }
  3785. }
  3786. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  3787. if (!dev->phy.is_40mhz)
  3788. freq = 2500;
  3789. else
  3790. freq = 5000;
  3791. if (nphy->mphase_cal_phase_id > 2)
  3792. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  3793. 0xFFFF, 0, true, false);
  3794. else
  3795. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  3796. if (error == 0) {
  3797. if (nphy->mphase_cal_phase_id > 2) {
  3798. table = nphy->mphase_txcal_bestcoeffs;
  3799. length = 11;
  3800. if (dev->phy.rev < 3)
  3801. length -= 2;
  3802. } else {
  3803. if (!full && nphy->txiqlocal_coeffsvalid) {
  3804. table = nphy->txiqlocal_bestc;
  3805. length = 11;
  3806. if (dev->phy.rev < 3)
  3807. length -= 2;
  3808. } else {
  3809. full = true;
  3810. if (dev->phy.rev >= 3) {
  3811. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  3812. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  3813. } else {
  3814. table = tbl_tx_iqlo_cal_startcoefs;
  3815. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  3816. }
  3817. }
  3818. }
  3819. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  3820. if (full) {
  3821. if (dev->phy.rev >= 3)
  3822. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  3823. else
  3824. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  3825. } else {
  3826. if (dev->phy.rev >= 3)
  3827. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  3828. else
  3829. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  3830. }
  3831. if (mphase) {
  3832. count = nphy->mphase_txcal_cmdidx;
  3833. numb = min(max,
  3834. (u16)(count + nphy->mphase_txcal_numcmds));
  3835. } else {
  3836. count = 0;
  3837. numb = max;
  3838. }
  3839. for (; count < numb; count++) {
  3840. if (full) {
  3841. if (dev->phy.rev >= 3)
  3842. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  3843. else
  3844. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  3845. } else {
  3846. if (dev->phy.rev >= 3)
  3847. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  3848. else
  3849. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  3850. }
  3851. core = (cmd & 0x3000) >> 12;
  3852. type = (cmd & 0x0F00) >> 8;
  3853. if (phy6or5x && updated[core] == 0) {
  3854. b43_nphy_update_tx_cal_ladder(dev, core);
  3855. updated[core] = true;
  3856. }
  3857. tmp = (params[core].ncorr[type] << 8) | 0x66;
  3858. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  3859. if (type == 1 || type == 3 || type == 4) {
  3860. buffer[0] = b43_ntab_read(dev,
  3861. B43_NTAB16(15, 69 + core));
  3862. diq_start = buffer[0];
  3863. buffer[0] = 0;
  3864. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  3865. 0);
  3866. }
  3867. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  3868. for (i = 0; i < 2000; i++) {
  3869. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  3870. if (tmp & 0xC000)
  3871. break;
  3872. udelay(10);
  3873. }
  3874. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3875. buffer);
  3876. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  3877. buffer);
  3878. if (type == 1 || type == 3 || type == 4)
  3879. buffer[0] = diq_start;
  3880. }
  3881. if (mphase)
  3882. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  3883. last = (dev->phy.rev < 3) ? 6 : 7;
  3884. if (!mphase || nphy->mphase_cal_phase_id == last) {
  3885. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  3886. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  3887. if (dev->phy.rev < 3) {
  3888. buffer[0] = 0;
  3889. buffer[1] = 0;
  3890. buffer[2] = 0;
  3891. buffer[3] = 0;
  3892. }
  3893. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3894. buffer);
  3895. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  3896. buffer);
  3897. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3898. buffer);
  3899. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3900. buffer);
  3901. length = 11;
  3902. if (dev->phy.rev < 3)
  3903. length -= 2;
  3904. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3905. nphy->txiqlocal_bestc);
  3906. nphy->txiqlocal_coeffsvalid = true;
  3907. nphy->txiqlocal_chanspec.center_freq =
  3908. dev->phy.channel_freq;
  3909. nphy->txiqlocal_chanspec.channel_type =
  3910. dev->phy.channel_type;
  3911. } else {
  3912. length = 11;
  3913. if (dev->phy.rev < 3)
  3914. length -= 2;
  3915. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3916. nphy->mphase_txcal_bestcoeffs);
  3917. }
  3918. b43_nphy_stop_playback(dev);
  3919. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  3920. }
  3921. b43_nphy_tx_cal_phy_cleanup(dev);
  3922. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3923. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  3924. b43_nphy_tx_iq_workaround(dev);
  3925. if (dev->phy.rev >= 4)
  3926. nphy->hang_avoid = avoid;
  3927. b43_nphy_stay_in_carrier_search(dev, false);
  3928. return error;
  3929. }
  3930. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  3931. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  3932. {
  3933. struct b43_phy_n *nphy = dev->phy.n;
  3934. u8 i;
  3935. u16 buffer[7];
  3936. bool equal = true;
  3937. if (!nphy->txiqlocal_coeffsvalid ||
  3938. nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
  3939. nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
  3940. return;
  3941. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  3942. for (i = 0; i < 4; i++) {
  3943. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  3944. equal = false;
  3945. break;
  3946. }
  3947. }
  3948. if (!equal) {
  3949. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  3950. nphy->txiqlocal_bestc);
  3951. for (i = 0; i < 4; i++)
  3952. buffer[i] = 0;
  3953. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3954. buffer);
  3955. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3956. &nphy->txiqlocal_bestc[5]);
  3957. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3958. &nphy->txiqlocal_bestc[5]);
  3959. }
  3960. }
  3961. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  3962. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  3963. struct nphy_txgains target, u8 type, bool debug)
  3964. {
  3965. struct b43_phy_n *nphy = dev->phy.n;
  3966. int i, j, index;
  3967. u8 rfctl[2];
  3968. u8 afectl_core;
  3969. u16 tmp[6];
  3970. u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
  3971. u32 real, imag;
  3972. enum ieee80211_band band;
  3973. u8 use;
  3974. u16 cur_hpf;
  3975. u16 lna[3] = { 3, 3, 1 };
  3976. u16 hpf1[3] = { 7, 2, 0 };
  3977. u16 hpf2[3] = { 2, 0, 0 };
  3978. u32 power[3] = { };
  3979. u16 gain_save[2];
  3980. u16 cal_gain[2];
  3981. struct nphy_iqcal_params cal_params[2];
  3982. struct nphy_iq_est est;
  3983. int ret = 0;
  3984. bool playtone = true;
  3985. int desired = 13;
  3986. b43_nphy_stay_in_carrier_search(dev, 1);
  3987. if (dev->phy.rev < 2)
  3988. b43_nphy_reapply_tx_cal_coeffs(dev);
  3989. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  3990. for (i = 0; i < 2; i++) {
  3991. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  3992. cal_gain[i] = cal_params[i].cal_gain;
  3993. }
  3994. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  3995. for (i = 0; i < 2; i++) {
  3996. if (i == 0) {
  3997. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  3998. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  3999. afectl_core = B43_NPHY_AFECTL_C1;
  4000. } else {
  4001. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  4002. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  4003. afectl_core = B43_NPHY_AFECTL_C2;
  4004. }
  4005. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  4006. tmp[2] = b43_phy_read(dev, afectl_core);
  4007. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  4008. tmp[4] = b43_phy_read(dev, rfctl[0]);
  4009. tmp[5] = b43_phy_read(dev, rfctl[1]);
  4010. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  4011. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  4012. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  4013. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  4014. (1 - i));
  4015. b43_phy_set(dev, afectl_core, 0x0006);
  4016. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  4017. band = b43_current_band(dev->wl);
  4018. if (nphy->rxcalparams & 0xFF000000) {
  4019. if (band == IEEE80211_BAND_5GHZ)
  4020. b43_phy_write(dev, rfctl[0], 0x140);
  4021. else
  4022. b43_phy_write(dev, rfctl[0], 0x110);
  4023. } else {
  4024. if (band == IEEE80211_BAND_5GHZ)
  4025. b43_phy_write(dev, rfctl[0], 0x180);
  4026. else
  4027. b43_phy_write(dev, rfctl[0], 0x120);
  4028. }
  4029. if (band == IEEE80211_BAND_5GHZ)
  4030. b43_phy_write(dev, rfctl[1], 0x148);
  4031. else
  4032. b43_phy_write(dev, rfctl[1], 0x114);
  4033. if (nphy->rxcalparams & 0x10000) {
  4034. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  4035. (i + 1));
  4036. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  4037. (2 - i));
  4038. }
  4039. for (j = 0; j < 4; j++) {
  4040. if (j < 3) {
  4041. cur_lna = lna[j];
  4042. cur_hpf1 = hpf1[j];
  4043. cur_hpf2 = hpf2[j];
  4044. } else {
  4045. if (power[1] > 10000) {
  4046. use = 1;
  4047. cur_hpf = cur_hpf1;
  4048. index = 2;
  4049. } else {
  4050. if (power[0] > 10000) {
  4051. use = 1;
  4052. cur_hpf = cur_hpf1;
  4053. index = 1;
  4054. } else {
  4055. index = 0;
  4056. use = 2;
  4057. cur_hpf = cur_hpf2;
  4058. }
  4059. }
  4060. cur_lna = lna[index];
  4061. cur_hpf1 = hpf1[index];
  4062. cur_hpf2 = hpf2[index];
  4063. cur_hpf += desired - hweight32(power[index]);
  4064. cur_hpf = clamp_val(cur_hpf, 0, 10);
  4065. if (use == 1)
  4066. cur_hpf1 = cur_hpf;
  4067. else
  4068. cur_hpf2 = cur_hpf;
  4069. }
  4070. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  4071. (cur_lna << 2));
  4072. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  4073. false);
  4074. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4075. b43_nphy_stop_playback(dev);
  4076. if (playtone) {
  4077. ret = b43_nphy_tx_tone(dev, 4000,
  4078. (nphy->rxcalparams & 0xFFFF),
  4079. false, false);
  4080. playtone = false;
  4081. } else {
  4082. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  4083. false, false);
  4084. }
  4085. if (ret == 0) {
  4086. if (j < 3) {
  4087. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  4088. false);
  4089. if (i == 0) {
  4090. real = est.i0_pwr;
  4091. imag = est.q0_pwr;
  4092. } else {
  4093. real = est.i1_pwr;
  4094. imag = est.q1_pwr;
  4095. }
  4096. power[i] = ((real + imag) / 1024) + 1;
  4097. } else {
  4098. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  4099. }
  4100. b43_nphy_stop_playback(dev);
  4101. }
  4102. if (ret != 0)
  4103. break;
  4104. }
  4105. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  4106. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  4107. b43_phy_write(dev, rfctl[1], tmp[5]);
  4108. b43_phy_write(dev, rfctl[0], tmp[4]);
  4109. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  4110. b43_phy_write(dev, afectl_core, tmp[2]);
  4111. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  4112. if (ret != 0)
  4113. break;
  4114. }
  4115. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  4116. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4117. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  4118. b43_nphy_stay_in_carrier_search(dev, 0);
  4119. return ret;
  4120. }
  4121. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  4122. struct nphy_txgains target, u8 type, bool debug)
  4123. {
  4124. return -1;
  4125. }
  4126. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  4127. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  4128. struct nphy_txgains target, u8 type, bool debug)
  4129. {
  4130. if (dev->phy.rev >= 3)
  4131. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  4132. else
  4133. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  4134. }
  4135. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
  4136. static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
  4137. {
  4138. struct b43_phy *phy = &dev->phy;
  4139. struct b43_phy_n *nphy = phy->n;
  4140. /* u16 buf[16]; it's rev3+ */
  4141. nphy->phyrxchain = mask;
  4142. if (0 /* FIXME clk */)
  4143. return;
  4144. b43_mac_suspend(dev);
  4145. if (nphy->hang_avoid)
  4146. b43_nphy_stay_in_carrier_search(dev, true);
  4147. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  4148. (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
  4149. if ((mask & 0x3) != 0x3) {
  4150. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
  4151. if (dev->phy.rev >= 3) {
  4152. /* TODO */
  4153. }
  4154. } else {
  4155. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
  4156. if (dev->phy.rev >= 3) {
  4157. /* TODO */
  4158. }
  4159. }
  4160. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4161. if (nphy->hang_avoid)
  4162. b43_nphy_stay_in_carrier_search(dev, false);
  4163. b43_mac_enable(dev);
  4164. }
  4165. /**************************************************
  4166. * N-PHY init
  4167. **************************************************/
  4168. /*
  4169. * Upload the N-PHY tables.
  4170. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
  4171. */
  4172. static void b43_nphy_tables_init(struct b43_wldev *dev)
  4173. {
  4174. if (dev->phy.rev < 3)
  4175. b43_nphy_rev0_1_2_tables_init(dev);
  4176. else
  4177. b43_nphy_rev3plus_tables_init(dev);
  4178. }
  4179. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  4180. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  4181. {
  4182. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  4183. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  4184. if (preamble == 1)
  4185. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  4186. else
  4187. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  4188. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  4189. }
  4190. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
  4191. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  4192. {
  4193. unsigned int i;
  4194. u16 val;
  4195. val = 0x1E1F;
  4196. for (i = 0; i < 16; i++) {
  4197. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  4198. val -= 0x202;
  4199. }
  4200. val = 0x3E3F;
  4201. for (i = 0; i < 16; i++) {
  4202. b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
  4203. val -= 0x202;
  4204. }
  4205. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  4206. }
  4207. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  4208. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  4209. {
  4210. if (dev->phy.rev >= 3) {
  4211. if (!init)
  4212. return;
  4213. if (0 /* FIXME */) {
  4214. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  4215. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  4216. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  4217. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  4218. }
  4219. } else {
  4220. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  4221. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  4222. switch (dev->dev->bus_type) {
  4223. #ifdef CONFIG_B43_BCMA
  4224. case B43_BUS_BCMA:
  4225. bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
  4226. 0xFC00, 0xFC00);
  4227. break;
  4228. #endif
  4229. #ifdef CONFIG_B43_SSB
  4230. case B43_BUS_SSB:
  4231. ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
  4232. 0xFC00, 0xFC00);
  4233. break;
  4234. #endif
  4235. }
  4236. b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
  4237. b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
  4238. b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
  4239. 0);
  4240. if (init) {
  4241. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  4242. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  4243. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  4244. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  4245. }
  4246. }
  4247. }
  4248. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
  4249. int b43_phy_initn(struct b43_wldev *dev)
  4250. {
  4251. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  4252. struct b43_phy *phy = &dev->phy;
  4253. struct b43_phy_n *nphy = phy->n;
  4254. u8 tx_pwr_state;
  4255. struct nphy_txgains target;
  4256. u16 tmp;
  4257. enum ieee80211_band tmp2;
  4258. bool do_rssi_cal;
  4259. u16 clip[2];
  4260. bool do_cal = false;
  4261. if ((dev->phy.rev >= 3) &&
  4262. (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
  4263. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  4264. switch (dev->dev->bus_type) {
  4265. #ifdef CONFIG_B43_BCMA
  4266. case B43_BUS_BCMA:
  4267. bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
  4268. BCMA_CC_CHIPCTL, 0x40);
  4269. break;
  4270. #endif
  4271. #ifdef CONFIG_B43_SSB
  4272. case B43_BUS_SSB:
  4273. chipco_set32(&dev->dev->sdev->bus->chipco,
  4274. SSB_CHIPCO_CHIPCTL, 0x40);
  4275. break;
  4276. #endif
  4277. }
  4278. }
  4279. nphy->deaf_count = 0;
  4280. b43_nphy_tables_init(dev);
  4281. nphy->crsminpwr_adjusted = false;
  4282. nphy->noisevars_adjusted = false;
  4283. /* Clear all overrides */
  4284. if (dev->phy.rev >= 3) {
  4285. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  4286. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  4287. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  4288. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  4289. } else {
  4290. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  4291. }
  4292. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  4293. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  4294. if (dev->phy.rev < 6) {
  4295. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  4296. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  4297. }
  4298. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  4299. ~(B43_NPHY_RFSEQMODE_CAOVER |
  4300. B43_NPHY_RFSEQMODE_TROVER));
  4301. if (dev->phy.rev >= 3)
  4302. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  4303. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  4304. if (dev->phy.rev <= 2) {
  4305. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  4306. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  4307. ~B43_NPHY_BPHY_CTL3_SCALE,
  4308. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  4309. }
  4310. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  4311. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  4312. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  4313. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4314. dev->dev->board_type == 0x8B))
  4315. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  4316. else
  4317. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  4318. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  4319. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  4320. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  4321. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  4322. b43_nphy_update_txrx_chain(dev);
  4323. if (phy->rev < 2) {
  4324. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  4325. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  4326. }
  4327. tmp2 = b43_current_band(dev->wl);
  4328. if (b43_nphy_ipa(dev)) {
  4329. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  4330. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  4331. nphy->papd_epsilon_offset[0] << 7);
  4332. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  4333. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  4334. nphy->papd_epsilon_offset[1] << 7);
  4335. b43_nphy_int_pa_set_tx_dig_filters(dev);
  4336. } else if (phy->rev >= 5) {
  4337. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  4338. }
  4339. b43_nphy_workarounds(dev);
  4340. /* Reset CCA, in init code it differs a little from standard way */
  4341. b43_phy_force_clock(dev, 1);
  4342. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  4343. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  4344. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  4345. b43_phy_force_clock(dev, 0);
  4346. b43_mac_phy_clock_set(dev, true);
  4347. b43_nphy_pa_override(dev, false);
  4348. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  4349. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4350. b43_nphy_pa_override(dev, true);
  4351. b43_nphy_classifier(dev, 0, 0);
  4352. b43_nphy_read_clip_detection(dev, clip);
  4353. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4354. b43_nphy_bphy_init(dev);
  4355. tx_pwr_state = nphy->txpwrctrl;
  4356. b43_nphy_tx_power_ctrl(dev, false);
  4357. b43_nphy_tx_power_fix(dev);
  4358. b43_nphy_tx_power_ctl_idle_tssi(dev);
  4359. b43_nphy_tx_power_ctl_setup(dev);
  4360. b43_nphy_tx_gain_table_upload(dev);
  4361. if (nphy->phyrxchain != 3)
  4362. b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
  4363. if (nphy->mphase_cal_phase_id > 0)
  4364. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  4365. do_rssi_cal = false;
  4366. if (phy->rev >= 3) {
  4367. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4368. do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
  4369. else
  4370. do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
  4371. if (do_rssi_cal)
  4372. b43_nphy_rssi_cal(dev);
  4373. else
  4374. b43_nphy_restore_rssi_cal(dev);
  4375. } else {
  4376. b43_nphy_rssi_cal(dev);
  4377. }
  4378. if (!((nphy->measure_hold & 0x6) != 0)) {
  4379. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4380. do_cal = !nphy->iqcal_chanspec_2G.center_freq;
  4381. else
  4382. do_cal = !nphy->iqcal_chanspec_5G.center_freq;
  4383. if (nphy->mute)
  4384. do_cal = false;
  4385. if (do_cal) {
  4386. target = b43_nphy_get_tx_gains(dev);
  4387. if (nphy->antsel_type == 2)
  4388. b43_nphy_superswitch_init(dev, true);
  4389. if (nphy->perical != 2) {
  4390. b43_nphy_rssi_cal(dev);
  4391. if (phy->rev >= 3) {
  4392. nphy->cal_orig_pwr_idx[0] =
  4393. nphy->txpwrindex[0].index_internal;
  4394. nphy->cal_orig_pwr_idx[1] =
  4395. nphy->txpwrindex[1].index_internal;
  4396. /* TODO N PHY Pre Calibrate TX Gain */
  4397. target = b43_nphy_get_tx_gains(dev);
  4398. }
  4399. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
  4400. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  4401. b43_nphy_save_cal(dev);
  4402. } else if (nphy->mphase_cal_phase_id == 0)
  4403. ;/* N PHY Periodic Calibration with arg 3 */
  4404. } else {
  4405. b43_nphy_restore_cal(dev);
  4406. }
  4407. }
  4408. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  4409. b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
  4410. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  4411. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  4412. if (phy->rev >= 3 && phy->rev <= 6)
  4413. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  4414. b43_nphy_tx_lp_fbw(dev);
  4415. if (phy->rev >= 3)
  4416. b43_nphy_spur_workaround(dev);
  4417. return 0;
  4418. }
  4419. /**************************************************
  4420. * Channel switching ops.
  4421. **************************************************/
  4422. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  4423. const struct b43_phy_n_sfo_cfg *e)
  4424. {
  4425. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  4426. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  4427. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  4428. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  4429. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  4430. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  4431. }
  4432. /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
  4433. static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
  4434. {
  4435. struct bcma_drv_cc __maybe_unused *cc;
  4436. u32 __maybe_unused pmu_ctl;
  4437. switch (dev->dev->bus_type) {
  4438. #ifdef CONFIG_B43_BCMA
  4439. case B43_BUS_BCMA:
  4440. cc = &dev->dev->bdev->bus->drv_cc;
  4441. if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
  4442. if (avoid) {
  4443. bcma_chipco_pll_write(cc, 0x0, 0x11500010);
  4444. bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
  4445. bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
  4446. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  4447. bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
  4448. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  4449. } else {
  4450. bcma_chipco_pll_write(cc, 0x0, 0x11100010);
  4451. bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
  4452. bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
  4453. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  4454. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  4455. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  4456. }
  4457. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  4458. } else if (dev->dev->chip_id == 0x4716) {
  4459. if (avoid) {
  4460. bcma_chipco_pll_write(cc, 0x0, 0x11500060);
  4461. bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
  4462. bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
  4463. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  4464. bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
  4465. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  4466. } else {
  4467. bcma_chipco_pll_write(cc, 0x0, 0x11100060);
  4468. bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
  4469. bcma_chipco_pll_write(cc, 0x2, 0x03000000);
  4470. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  4471. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  4472. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  4473. }
  4474. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
  4475. BCMA_CC_PMU_CTL_NOILPONW;
  4476. } else if (dev->dev->chip_id == 0x4322 ||
  4477. dev->dev->chip_id == 0x4340 ||
  4478. dev->dev->chip_id == 0x4341) {
  4479. bcma_chipco_pll_write(cc, 0x0, 0x11100070);
  4480. bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
  4481. bcma_chipco_pll_write(cc, 0x5, 0x88888854);
  4482. if (avoid)
  4483. bcma_chipco_pll_write(cc, 0x2, 0x05201828);
  4484. else
  4485. bcma_chipco_pll_write(cc, 0x2, 0x05001828);
  4486. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  4487. } else {
  4488. return;
  4489. }
  4490. bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
  4491. break;
  4492. #endif
  4493. #ifdef CONFIG_B43_SSB
  4494. case B43_BUS_SSB:
  4495. /* FIXME */
  4496. break;
  4497. #endif
  4498. }
  4499. }
  4500. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  4501. static void b43_nphy_channel_setup(struct b43_wldev *dev,
  4502. const struct b43_phy_n_sfo_cfg *e,
  4503. struct ieee80211_channel *new_channel)
  4504. {
  4505. struct b43_phy *phy = &dev->phy;
  4506. struct b43_phy_n *nphy = dev->phy.n;
  4507. int ch = new_channel->hw_value;
  4508. u16 old_band_5ghz;
  4509. u32 tmp32;
  4510. old_band_5ghz =
  4511. b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  4512. if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
  4513. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  4514. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  4515. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  4516. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  4517. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  4518. } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
  4519. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  4520. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  4521. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  4522. b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
  4523. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  4524. }
  4525. b43_chantab_phy_upload(dev, e);
  4526. if (new_channel->hw_value == 14) {
  4527. b43_nphy_classifier(dev, 2, 0);
  4528. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  4529. } else {
  4530. b43_nphy_classifier(dev, 2, 2);
  4531. if (new_channel->band == IEEE80211_BAND_2GHZ)
  4532. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  4533. }
  4534. if (!nphy->txpwrctrl)
  4535. b43_nphy_tx_power_fix(dev);
  4536. if (dev->phy.rev < 3)
  4537. b43_nphy_adjust_lna_gain_table(dev);
  4538. b43_nphy_tx_lp_fbw(dev);
  4539. if (dev->phy.rev >= 3 &&
  4540. dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
  4541. bool avoid = false;
  4542. if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
  4543. avoid = true;
  4544. } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
  4545. if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
  4546. avoid = true;
  4547. } else { /* 40MHz */
  4548. if (nphy->aband_spurwar_en &&
  4549. (ch == 38 || ch == 102 || ch == 118))
  4550. avoid = dev->dev->chip_id == 0x4716;
  4551. }
  4552. b43_nphy_pmu_spur_avoid(dev, avoid);
  4553. if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
  4554. dev->dev->chip_id == 43225) {
  4555. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
  4556. avoid ? 0x5341 : 0x8889);
  4557. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
  4558. }
  4559. if (dev->phy.rev == 3 || dev->phy.rev == 4)
  4560. ; /* TODO: reset PLL */
  4561. if (avoid)
  4562. b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
  4563. else
  4564. b43_phy_mask(dev, B43_NPHY_BBCFG,
  4565. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  4566. b43_nphy_reset_cca(dev);
  4567. /* wl sets useless phy_isspuravoid here */
  4568. }
  4569. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  4570. if (phy->rev >= 3)
  4571. b43_nphy_spur_workaround(dev);
  4572. }
  4573. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  4574. static int b43_nphy_set_channel(struct b43_wldev *dev,
  4575. struct ieee80211_channel *channel,
  4576. enum nl80211_channel_type channel_type)
  4577. {
  4578. struct b43_phy *phy = &dev->phy;
  4579. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
  4580. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
  4581. u8 tmp;
  4582. if (dev->phy.rev >= 3) {
  4583. tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
  4584. channel->center_freq);
  4585. if (!tabent_r3)
  4586. return -ESRCH;
  4587. } else {
  4588. tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
  4589. channel->hw_value);
  4590. if (!tabent_r2)
  4591. return -ESRCH;
  4592. }
  4593. /* Channel is set later in common code, but we need to set it on our
  4594. own to let this function's subcalls work properly. */
  4595. phy->channel = channel->hw_value;
  4596. phy->channel_freq = channel->center_freq;
  4597. if (b43_channel_type_is_40mhz(phy->channel_type) !=
  4598. b43_channel_type_is_40mhz(channel_type))
  4599. ; /* TODO: BMAC BW Set (channel_type) */
  4600. if (channel_type == NL80211_CHAN_HT40PLUS)
  4601. b43_phy_set(dev, B43_NPHY_RXCTL,
  4602. B43_NPHY_RXCTL_BSELU20);
  4603. else if (channel_type == NL80211_CHAN_HT40MINUS)
  4604. b43_phy_mask(dev, B43_NPHY_RXCTL,
  4605. ~B43_NPHY_RXCTL_BSELU20);
  4606. if (dev->phy.rev >= 3) {
  4607. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
  4608. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  4609. b43_radio_2056_setup(dev, tabent_r3);
  4610. b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
  4611. } else {
  4612. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
  4613. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  4614. b43_radio_2055_setup(dev, tabent_r2);
  4615. b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
  4616. }
  4617. return 0;
  4618. }
  4619. /**************************************************
  4620. * Basic PHY ops.
  4621. **************************************************/
  4622. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  4623. {
  4624. struct b43_phy_n *nphy;
  4625. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  4626. if (!nphy)
  4627. return -ENOMEM;
  4628. dev->phy.n = nphy;
  4629. return 0;
  4630. }
  4631. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  4632. {
  4633. struct b43_phy *phy = &dev->phy;
  4634. struct b43_phy_n *nphy = phy->n;
  4635. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  4636. memset(nphy, 0, sizeof(*nphy));
  4637. nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
  4638. nphy->spur_avoid = (phy->rev >= 3) ?
  4639. B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
  4640. nphy->init_por = true;
  4641. nphy->gain_boost = true; /* this way we follow wl, assume it is true */
  4642. nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
  4643. nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
  4644. nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
  4645. /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
  4646. * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
  4647. nphy->tx_pwr_idx[0] = 128;
  4648. nphy->tx_pwr_idx[1] = 128;
  4649. /* Hardware TX power control and 5GHz power gain */
  4650. nphy->txpwrctrl = false;
  4651. nphy->pwg_gain_5ghz = false;
  4652. if (dev->phy.rev >= 3 ||
  4653. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4654. (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
  4655. nphy->txpwrctrl = true;
  4656. nphy->pwg_gain_5ghz = true;
  4657. } else if (sprom->revision >= 4) {
  4658. if (dev->phy.rev >= 2 &&
  4659. (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
  4660. nphy->txpwrctrl = true;
  4661. #ifdef CONFIG_B43_SSB
  4662. if (dev->dev->bus_type == B43_BUS_SSB &&
  4663. dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
  4664. struct pci_dev *pdev =
  4665. dev->dev->sdev->bus->host_pci;
  4666. if (pdev->device == 0x4328 ||
  4667. pdev->device == 0x432a)
  4668. nphy->pwg_gain_5ghz = true;
  4669. }
  4670. #endif
  4671. } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
  4672. nphy->pwg_gain_5ghz = true;
  4673. }
  4674. }
  4675. if (dev->phy.rev >= 3) {
  4676. nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
  4677. nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
  4678. }
  4679. nphy->init_por = true;
  4680. }
  4681. static void b43_nphy_op_free(struct b43_wldev *dev)
  4682. {
  4683. struct b43_phy *phy = &dev->phy;
  4684. struct b43_phy_n *nphy = phy->n;
  4685. kfree(nphy);
  4686. phy->n = NULL;
  4687. }
  4688. static int b43_nphy_op_init(struct b43_wldev *dev)
  4689. {
  4690. return b43_phy_initn(dev);
  4691. }
  4692. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  4693. {
  4694. #if B43_DEBUG
  4695. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  4696. /* OFDM registers are onnly available on A/G-PHYs */
  4697. b43err(dev->wl, "Invalid OFDM PHY access at "
  4698. "0x%04X on N-PHY\n", offset);
  4699. dump_stack();
  4700. }
  4701. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  4702. /* Ext-G registers are only available on G-PHYs */
  4703. b43err(dev->wl, "Invalid EXT-G PHY access at "
  4704. "0x%04X on N-PHY\n", offset);
  4705. dump_stack();
  4706. }
  4707. #endif /* B43_DEBUG */
  4708. }
  4709. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  4710. {
  4711. check_phyreg(dev, reg);
  4712. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4713. return b43_read16(dev, B43_MMIO_PHY_DATA);
  4714. }
  4715. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  4716. {
  4717. check_phyreg(dev, reg);
  4718. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4719. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  4720. }
  4721. static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
  4722. u16 set)
  4723. {
  4724. check_phyreg(dev, reg);
  4725. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4726. b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
  4727. }
  4728. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  4729. {
  4730. /* Register 1 is a 32-bit register. */
  4731. B43_WARN_ON(reg == 1);
  4732. /* N-PHY needs 0x100 for read access */
  4733. reg |= 0x100;
  4734. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4735. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  4736. }
  4737. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  4738. {
  4739. /* Register 1 is a 32-bit register. */
  4740. B43_WARN_ON(reg == 1);
  4741. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4742. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  4743. }
  4744. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  4745. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  4746. bool blocked)
  4747. {
  4748. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  4749. b43err(dev->wl, "MAC not suspended\n");
  4750. if (blocked) {
  4751. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  4752. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  4753. if (dev->phy.rev >= 7) {
  4754. /* TODO */
  4755. } else if (dev->phy.rev >= 3) {
  4756. b43_radio_mask(dev, 0x09, ~0x2);
  4757. b43_radio_write(dev, 0x204D, 0);
  4758. b43_radio_write(dev, 0x2053, 0);
  4759. b43_radio_write(dev, 0x2058, 0);
  4760. b43_radio_write(dev, 0x205E, 0);
  4761. b43_radio_mask(dev, 0x2062, ~0xF0);
  4762. b43_radio_write(dev, 0x2064, 0);
  4763. b43_radio_write(dev, 0x304D, 0);
  4764. b43_radio_write(dev, 0x3053, 0);
  4765. b43_radio_write(dev, 0x3058, 0);
  4766. b43_radio_write(dev, 0x305E, 0);
  4767. b43_radio_mask(dev, 0x3062, ~0xF0);
  4768. b43_radio_write(dev, 0x3064, 0);
  4769. }
  4770. } else {
  4771. if (dev->phy.rev >= 7) {
  4772. b43_radio_2057_init(dev);
  4773. b43_switch_channel(dev, dev->phy.channel);
  4774. } else if (dev->phy.rev >= 3) {
  4775. b43_radio_init2056(dev);
  4776. b43_switch_channel(dev, dev->phy.channel);
  4777. } else {
  4778. b43_radio_init2055(dev);
  4779. }
  4780. }
  4781. }
  4782. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
  4783. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  4784. {
  4785. u16 override = on ? 0x0 : 0x7FFF;
  4786. u16 core = on ? 0xD : 0x00FD;
  4787. if (dev->phy.rev >= 3) {
  4788. if (on) {
  4789. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4790. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4791. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4792. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4793. } else {
  4794. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4795. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4796. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4797. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4798. }
  4799. } else {
  4800. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4801. }
  4802. }
  4803. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  4804. unsigned int new_channel)
  4805. {
  4806. struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
  4807. enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
  4808. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  4809. if ((new_channel < 1) || (new_channel > 14))
  4810. return -EINVAL;
  4811. } else {
  4812. if (new_channel > 200)
  4813. return -EINVAL;
  4814. }
  4815. return b43_nphy_set_channel(dev, channel, channel_type);
  4816. }
  4817. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  4818. {
  4819. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4820. return 1;
  4821. return 36;
  4822. }
  4823. const struct b43_phy_operations b43_phyops_n = {
  4824. .allocate = b43_nphy_op_allocate,
  4825. .free = b43_nphy_op_free,
  4826. .prepare_structs = b43_nphy_op_prepare_structs,
  4827. .init = b43_nphy_op_init,
  4828. .phy_read = b43_nphy_op_read,
  4829. .phy_write = b43_nphy_op_write,
  4830. .phy_maskset = b43_nphy_op_maskset,
  4831. .radio_read = b43_nphy_op_radio_read,
  4832. .radio_write = b43_nphy_op_radio_write,
  4833. .software_rfkill = b43_nphy_op_software_rfkill,
  4834. .switch_analog = b43_nphy_op_switch_analog,
  4835. .switch_channel = b43_nphy_op_switch_channel,
  4836. .get_default_chan = b43_nphy_op_get_default_chan,
  4837. .recalc_txpower = b43_nphy_op_recalc_txpower,
  4838. .adjust_txpower = b43_nphy_op_adjust_txpower,
  4839. };