phy_n.c 145 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 "main.h"
  28. struct nphy_txgains {
  29. u16 txgm[2];
  30. u16 pga[2];
  31. u16 pad[2];
  32. u16 ipa[2];
  33. };
  34. struct nphy_iqcal_params {
  35. u16 txgm;
  36. u16 pga;
  37. u16 pad;
  38. u16 ipa;
  39. u16 cal_gain;
  40. u16 ncorr[5];
  41. };
  42. struct nphy_iq_est {
  43. s32 iq0_prod;
  44. u32 i0_pwr;
  45. u32 q0_pwr;
  46. s32 iq1_prod;
  47. u32 i1_pwr;
  48. u32 q1_pwr;
  49. };
  50. enum b43_nphy_rf_sequence {
  51. B43_RFSEQ_RX2TX,
  52. B43_RFSEQ_TX2RX,
  53. B43_RFSEQ_RESET2RX,
  54. B43_RFSEQ_UPDATE_GAINH,
  55. B43_RFSEQ_UPDATE_GAINL,
  56. B43_RFSEQ_UPDATE_GAINU,
  57. };
  58. enum b43_nphy_rssi_type {
  59. B43_NPHY_RSSI_X = 0,
  60. B43_NPHY_RSSI_Y,
  61. B43_NPHY_RSSI_Z,
  62. B43_NPHY_RSSI_PWRDET,
  63. B43_NPHY_RSSI_TSSI_I,
  64. B43_NPHY_RSSI_TSSI_Q,
  65. B43_NPHY_RSSI_TBD,
  66. };
  67. static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  68. {
  69. enum ieee80211_band band = b43_current_band(dev->wl);
  70. return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  71. (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
  72. }
  73. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
  74. static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
  75. {
  76. return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
  77. B43_NPHY_RFSEQCA_RXEN_SHIFT;
  78. }
  79. /**************************************************
  80. * RF (just without b43_nphy_rf_control_intc_override)
  81. **************************************************/
  82. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  83. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  84. enum b43_nphy_rf_sequence seq)
  85. {
  86. static const u16 trigger[] = {
  87. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  88. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  89. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  90. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  91. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  92. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  93. };
  94. int i;
  95. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  96. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  97. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  98. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  99. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  100. for (i = 0; i < 200; i++) {
  101. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  102. goto ok;
  103. msleep(1);
  104. }
  105. b43err(dev->wl, "RF sequence status timeout\n");
  106. ok:
  107. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  108. }
  109. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  110. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  111. u16 value, u8 core, bool off)
  112. {
  113. int i;
  114. u8 index = fls(field);
  115. u8 addr, en_addr, val_addr;
  116. /* we expect only one bit set */
  117. B43_WARN_ON(field & (~(1 << (index - 1))));
  118. if (dev->phy.rev >= 3) {
  119. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  120. for (i = 0; i < 2; i++) {
  121. if (index == 0 || index == 16) {
  122. b43err(dev->wl,
  123. "Unsupported RF Ctrl Override call\n");
  124. return;
  125. }
  126. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  127. en_addr = B43_PHY_N((i == 0) ?
  128. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  129. val_addr = B43_PHY_N((i == 0) ?
  130. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  131. if (off) {
  132. b43_phy_mask(dev, en_addr, ~(field));
  133. b43_phy_mask(dev, val_addr,
  134. ~(rf_ctrl->val_mask));
  135. } else {
  136. if (core == 0 || ((1 << i) & core)) {
  137. b43_phy_set(dev, en_addr, field);
  138. b43_phy_maskset(dev, val_addr,
  139. ~(rf_ctrl->val_mask),
  140. (value << rf_ctrl->val_shift));
  141. }
  142. }
  143. }
  144. } else {
  145. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  146. if (off) {
  147. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  148. value = 0;
  149. } else {
  150. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  151. }
  152. for (i = 0; i < 2; i++) {
  153. if (index <= 1 || index == 16) {
  154. b43err(dev->wl,
  155. "Unsupported RF Ctrl Override call\n");
  156. return;
  157. }
  158. if (index == 2 || index == 10 ||
  159. (index >= 13 && index <= 15)) {
  160. core = 1;
  161. }
  162. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  163. addr = B43_PHY_N((i == 0) ?
  164. rf_ctrl->addr0 : rf_ctrl->addr1);
  165. if ((1 << i) & core)
  166. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  167. (value << rf_ctrl->shift));
  168. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  169. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  170. B43_NPHY_RFCTL_CMD_START);
  171. udelay(1);
  172. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  173. }
  174. }
  175. }
  176. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  177. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  178. u16 value, u8 core)
  179. {
  180. u8 i, j;
  181. u16 reg, tmp, val;
  182. B43_WARN_ON(dev->phy.rev < 3);
  183. B43_WARN_ON(field > 4);
  184. for (i = 0; i < 2; i++) {
  185. if ((core == 1 && i == 1) || (core == 2 && !i))
  186. continue;
  187. reg = (i == 0) ?
  188. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  189. b43_phy_set(dev, reg, 0x400);
  190. switch (field) {
  191. case 0:
  192. b43_phy_write(dev, reg, 0);
  193. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  194. break;
  195. case 1:
  196. if (!i) {
  197. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  198. 0xFC3F, (value << 6));
  199. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  200. 0xFFFE, 1);
  201. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  202. B43_NPHY_RFCTL_CMD_START);
  203. for (j = 0; j < 100; j++) {
  204. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
  205. j = 0;
  206. break;
  207. }
  208. udelay(10);
  209. }
  210. if (j)
  211. b43err(dev->wl,
  212. "intc override timeout\n");
  213. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  214. 0xFFFE);
  215. } else {
  216. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  217. 0xFC3F, (value << 6));
  218. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  219. 0xFFFE, 1);
  220. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  221. B43_NPHY_RFCTL_CMD_RXTX);
  222. for (j = 0; j < 100; j++) {
  223. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
  224. j = 0;
  225. break;
  226. }
  227. udelay(10);
  228. }
  229. if (j)
  230. b43err(dev->wl,
  231. "intc override timeout\n");
  232. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  233. 0xFFFE);
  234. }
  235. break;
  236. case 2:
  237. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  238. tmp = 0x0020;
  239. val = value << 5;
  240. } else {
  241. tmp = 0x0010;
  242. val = value << 4;
  243. }
  244. b43_phy_maskset(dev, reg, ~tmp, val);
  245. break;
  246. case 3:
  247. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  248. tmp = 0x0001;
  249. val = value;
  250. } else {
  251. tmp = 0x0004;
  252. val = value << 2;
  253. }
  254. b43_phy_maskset(dev, reg, ~tmp, val);
  255. break;
  256. case 4:
  257. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  258. tmp = 0x0002;
  259. val = value << 1;
  260. } else {
  261. tmp = 0x0008;
  262. val = value << 3;
  263. }
  264. b43_phy_maskset(dev, reg, ~tmp, val);
  265. break;
  266. }
  267. }
  268. }
  269. /**************************************************
  270. * Various PHY ops
  271. **************************************************/
  272. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  273. static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
  274. const u16 *clip_st)
  275. {
  276. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  277. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  278. }
  279. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  280. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  281. {
  282. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  283. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  284. }
  285. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  286. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  287. {
  288. u16 tmp;
  289. if (dev->dev->core_rev == 16)
  290. b43_mac_suspend(dev);
  291. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  292. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  293. B43_NPHY_CLASSCTL_WAITEDEN);
  294. tmp &= ~mask;
  295. tmp |= (val & mask);
  296. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  297. if (dev->dev->core_rev == 16)
  298. b43_mac_enable(dev);
  299. return tmp;
  300. }
  301. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  302. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  303. {
  304. u16 bbcfg;
  305. b43_phy_force_clock(dev, 1);
  306. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  307. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  308. udelay(1);
  309. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  310. b43_phy_force_clock(dev, 0);
  311. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  312. }
  313. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  314. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  315. {
  316. struct b43_phy *phy = &dev->phy;
  317. struct b43_phy_n *nphy = phy->n;
  318. if (enable) {
  319. static const u16 clip[] = { 0xFFFF, 0xFFFF };
  320. if (nphy->deaf_count++ == 0) {
  321. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  322. b43_nphy_classifier(dev, 0x7, 0);
  323. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  324. b43_nphy_write_clip_detection(dev, clip);
  325. }
  326. b43_nphy_reset_cca(dev);
  327. } else {
  328. if (--nphy->deaf_count == 0) {
  329. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  330. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  331. }
  332. }
  333. }
  334. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  335. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  336. {
  337. struct b43_phy_n *nphy = dev->phy.n;
  338. u8 i;
  339. s16 tmp;
  340. u16 data[4];
  341. s16 gain[2];
  342. u16 minmax[2];
  343. static const u16 lna_gain[4] = { -2, 10, 19, 25 };
  344. if (nphy->hang_avoid)
  345. b43_nphy_stay_in_carrier_search(dev, 1);
  346. if (nphy->gain_boost) {
  347. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  348. gain[0] = 6;
  349. gain[1] = 6;
  350. } else {
  351. tmp = 40370 - 315 * dev->phy.channel;
  352. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  353. tmp = 23242 - 224 * dev->phy.channel;
  354. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  355. }
  356. } else {
  357. gain[0] = 0;
  358. gain[1] = 0;
  359. }
  360. for (i = 0; i < 2; i++) {
  361. if (nphy->elna_gain_config) {
  362. data[0] = 19 + gain[i];
  363. data[1] = 25 + gain[i];
  364. data[2] = 25 + gain[i];
  365. data[3] = 25 + gain[i];
  366. } else {
  367. data[0] = lna_gain[0] + gain[i];
  368. data[1] = lna_gain[1] + gain[i];
  369. data[2] = lna_gain[2] + gain[i];
  370. data[3] = lna_gain[3] + gain[i];
  371. }
  372. b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
  373. minmax[i] = 23 + gain[i];
  374. }
  375. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  376. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  377. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  378. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  379. if (nphy->hang_avoid)
  380. b43_nphy_stay_in_carrier_search(dev, 0);
  381. }
  382. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  383. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  384. u8 *events, u8 *delays, u8 length)
  385. {
  386. struct b43_phy_n *nphy = dev->phy.n;
  387. u8 i;
  388. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  389. u16 offset1 = cmd << 4;
  390. u16 offset2 = offset1 + 0x80;
  391. if (nphy->hang_avoid)
  392. b43_nphy_stay_in_carrier_search(dev, true);
  393. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  394. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  395. for (i = length; i < 16; i++) {
  396. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  397. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  398. }
  399. if (nphy->hang_avoid)
  400. b43_nphy_stay_in_carrier_search(dev, false);
  401. }
  402. /**************************************************
  403. * Radio 0x2056
  404. **************************************************/
  405. static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
  406. const struct b43_nphy_channeltab_entry_rev3 *e)
  407. {
  408. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
  409. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
  410. b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
  411. b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
  412. b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
  413. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
  414. e->radio_syn_pll_loopfilter1);
  415. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
  416. e->radio_syn_pll_loopfilter2);
  417. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
  418. e->radio_syn_pll_loopfilter3);
  419. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
  420. e->radio_syn_pll_loopfilter4);
  421. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
  422. e->radio_syn_pll_loopfilter5);
  423. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
  424. e->radio_syn_reserved_addr27);
  425. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
  426. e->radio_syn_reserved_addr28);
  427. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
  428. e->radio_syn_reserved_addr29);
  429. b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
  430. e->radio_syn_logen_vcobuf1);
  431. b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
  432. b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
  433. b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
  434. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
  435. e->radio_rx0_lnaa_tune);
  436. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
  437. e->radio_rx0_lnag_tune);
  438. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
  439. e->radio_tx0_intpaa_boost_tune);
  440. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
  441. e->radio_tx0_intpag_boost_tune);
  442. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
  443. e->radio_tx0_pada_boost_tune);
  444. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
  445. e->radio_tx0_padg_boost_tune);
  446. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
  447. e->radio_tx0_pgaa_boost_tune);
  448. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
  449. e->radio_tx0_pgag_boost_tune);
  450. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
  451. e->radio_tx0_mixa_boost_tune);
  452. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
  453. e->radio_tx0_mixg_boost_tune);
  454. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
  455. e->radio_rx1_lnaa_tune);
  456. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
  457. e->radio_rx1_lnag_tune);
  458. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
  459. e->radio_tx1_intpaa_boost_tune);
  460. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
  461. e->radio_tx1_intpag_boost_tune);
  462. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
  463. e->radio_tx1_pada_boost_tune);
  464. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
  465. e->radio_tx1_padg_boost_tune);
  466. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
  467. e->radio_tx1_pgaa_boost_tune);
  468. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
  469. e->radio_tx1_pgag_boost_tune);
  470. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
  471. e->radio_tx1_mixa_boost_tune);
  472. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
  473. e->radio_tx1_mixg_boost_tune);
  474. }
  475. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
  476. static void b43_radio_2056_setup(struct b43_wldev *dev,
  477. const struct b43_nphy_channeltab_entry_rev3 *e)
  478. {
  479. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  480. enum ieee80211_band band = b43_current_band(dev->wl);
  481. u16 offset;
  482. u8 i;
  483. u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
  484. B43_WARN_ON(dev->phy.rev < 3);
  485. b43_chantab_radio_2056_upload(dev, e);
  486. b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
  487. if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  488. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  489. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  490. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  491. if (dev->dev->chip_id == 0x4716) {
  492. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
  493. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
  494. } else {
  495. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
  496. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
  497. }
  498. }
  499. if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  500. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  501. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  502. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  503. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
  504. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
  505. }
  506. if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
  507. for (i = 0; i < 2; i++) {
  508. offset = i ? B2056_TX1 : B2056_TX0;
  509. if (dev->phy.rev >= 5) {
  510. b43_radio_write(dev,
  511. offset | B2056_TX_PADG_IDAC, 0xcc);
  512. if (dev->dev->chip_id == 0x4716) {
  513. bias = 0x40;
  514. cbias = 0x45;
  515. pag_boost = 0x5;
  516. pgag_boost = 0x33;
  517. mixg_boost = 0x55;
  518. } else {
  519. bias = 0x25;
  520. cbias = 0x20;
  521. pag_boost = 0x4;
  522. pgag_boost = 0x03;
  523. mixg_boost = 0x65;
  524. }
  525. padg_boost = 0x77;
  526. b43_radio_write(dev,
  527. offset | B2056_TX_INTPAG_IMAIN_STAT,
  528. bias);
  529. b43_radio_write(dev,
  530. offset | B2056_TX_INTPAG_IAUX_STAT,
  531. bias);
  532. b43_radio_write(dev,
  533. offset | B2056_TX_INTPAG_CASCBIAS,
  534. cbias);
  535. b43_radio_write(dev,
  536. offset | B2056_TX_INTPAG_BOOST_TUNE,
  537. pag_boost);
  538. b43_radio_write(dev,
  539. offset | B2056_TX_PGAG_BOOST_TUNE,
  540. pgag_boost);
  541. b43_radio_write(dev,
  542. offset | B2056_TX_PADG_BOOST_TUNE,
  543. padg_boost);
  544. b43_radio_write(dev,
  545. offset | B2056_TX_MIXG_BOOST_TUNE,
  546. mixg_boost);
  547. } else {
  548. bias = dev->phy.is_40mhz ? 0x40 : 0x20;
  549. b43_radio_write(dev,
  550. offset | B2056_TX_INTPAG_IMAIN_STAT,
  551. bias);
  552. b43_radio_write(dev,
  553. offset | B2056_TX_INTPAG_IAUX_STAT,
  554. bias);
  555. b43_radio_write(dev,
  556. offset | B2056_TX_INTPAG_CASCBIAS,
  557. 0x30);
  558. }
  559. b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
  560. }
  561. } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
  562. /* TODO */
  563. }
  564. udelay(50);
  565. /* VCO calibration */
  566. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
  567. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  568. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
  569. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  570. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
  571. udelay(300);
  572. }
  573. static void b43_radio_init2056_pre(struct b43_wldev *dev)
  574. {
  575. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  576. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  577. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  578. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  579. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  580. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  581. ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  582. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  583. B43_NPHY_RFCTL_CMD_CHIP0PU);
  584. }
  585. static void b43_radio_init2056_post(struct b43_wldev *dev)
  586. {
  587. b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
  588. b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
  589. b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
  590. msleep(1);
  591. b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
  592. b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
  593. b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
  594. /*
  595. if (nphy->init_por)
  596. Call Radio 2056 Recalibrate
  597. */
  598. }
  599. /*
  600. * Initialize a Broadcom 2056 N-radio
  601. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  602. */
  603. static void b43_radio_init2056(struct b43_wldev *dev)
  604. {
  605. b43_radio_init2056_pre(dev);
  606. b2056_upload_inittabs(dev, 0, 0);
  607. b43_radio_init2056_post(dev);
  608. }
  609. /**************************************************
  610. * Radio 0x2055
  611. **************************************************/
  612. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  613. const struct b43_nphy_channeltab_entry_rev2 *e)
  614. {
  615. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  616. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  617. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  618. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  619. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  620. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  621. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  622. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  623. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  624. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  625. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  626. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  627. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  628. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  629. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  630. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  631. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  632. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  633. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  634. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  635. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  636. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  637. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  638. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  639. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  640. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  641. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  642. }
  643. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  644. static void b43_radio_2055_setup(struct b43_wldev *dev,
  645. const struct b43_nphy_channeltab_entry_rev2 *e)
  646. {
  647. B43_WARN_ON(dev->phy.rev >= 3);
  648. b43_chantab_radio_upload(dev, e);
  649. udelay(50);
  650. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  651. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  652. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  653. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  654. udelay(300);
  655. }
  656. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  657. {
  658. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  659. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  660. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  661. B43_NPHY_RFCTL_CMD_CHIP0PU |
  662. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  663. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  664. B43_NPHY_RFCTL_CMD_PORFORCE);
  665. }
  666. static void b43_radio_init2055_post(struct b43_wldev *dev)
  667. {
  668. struct b43_phy_n *nphy = dev->phy.n;
  669. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  670. int i;
  671. u16 val;
  672. bool workaround = false;
  673. if (sprom->revision < 4)
  674. workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
  675. && dev->dev->board_type == 0x46D
  676. && dev->dev->board_rev >= 0x41);
  677. else
  678. workaround =
  679. !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
  680. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  681. if (workaround) {
  682. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  683. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  684. }
  685. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  686. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  687. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  688. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  689. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  690. msleep(1);
  691. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  692. for (i = 0; i < 200; i++) {
  693. val = b43_radio_read(dev, B2055_CAL_COUT2);
  694. if (val & 0x80) {
  695. i = 0;
  696. break;
  697. }
  698. udelay(10);
  699. }
  700. if (i)
  701. b43err(dev->wl, "radio post init timeout\n");
  702. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  703. b43_switch_channel(dev, dev->phy.channel);
  704. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  705. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  706. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  707. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  708. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  709. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  710. if (!nphy->gain_boost) {
  711. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  712. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  713. } else {
  714. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  715. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  716. }
  717. udelay(2);
  718. }
  719. /*
  720. * Initialize a Broadcom 2055 N-radio
  721. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  722. */
  723. static void b43_radio_init2055(struct b43_wldev *dev)
  724. {
  725. b43_radio_init2055_pre(dev);
  726. if (b43_status(dev) < B43_STAT_INITIALIZED) {
  727. /* Follow wl, not specs. Do not force uploading all regs */
  728. b2055_upload_inittab(dev, 0, 0);
  729. } else {
  730. bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
  731. b2055_upload_inittab(dev, ghz5, 0);
  732. }
  733. b43_radio_init2055_post(dev);
  734. }
  735. /**************************************************
  736. * Samples
  737. **************************************************/
  738. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  739. static int b43_nphy_load_samples(struct b43_wldev *dev,
  740. struct b43_c32 *samples, u16 len) {
  741. struct b43_phy_n *nphy = dev->phy.n;
  742. u16 i;
  743. u32 *data;
  744. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  745. if (!data) {
  746. b43err(dev->wl, "allocation for samples loading failed\n");
  747. return -ENOMEM;
  748. }
  749. if (nphy->hang_avoid)
  750. b43_nphy_stay_in_carrier_search(dev, 1);
  751. for (i = 0; i < len; i++) {
  752. data[i] = (samples[i].i & 0x3FF << 10);
  753. data[i] |= samples[i].q & 0x3FF;
  754. }
  755. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  756. kfree(data);
  757. if (nphy->hang_avoid)
  758. b43_nphy_stay_in_carrier_search(dev, 0);
  759. return 0;
  760. }
  761. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  762. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  763. bool test)
  764. {
  765. int i;
  766. u16 bw, len, rot, angle;
  767. struct b43_c32 *samples;
  768. bw = (dev->phy.is_40mhz) ? 40 : 20;
  769. len = bw << 3;
  770. if (test) {
  771. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  772. bw = 82;
  773. else
  774. bw = 80;
  775. if (dev->phy.is_40mhz)
  776. bw <<= 1;
  777. len = bw << 1;
  778. }
  779. samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
  780. if (!samples) {
  781. b43err(dev->wl, "allocation for samples generation failed\n");
  782. return 0;
  783. }
  784. rot = (((freq * 36) / bw) << 16) / 100;
  785. angle = 0;
  786. for (i = 0; i < len; i++) {
  787. samples[i] = b43_cordic(angle);
  788. angle += rot;
  789. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  790. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  791. }
  792. i = b43_nphy_load_samples(dev, samples, len);
  793. kfree(samples);
  794. return (i < 0) ? 0 : len;
  795. }
  796. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  797. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  798. u16 wait, bool iqmode, bool dac_test)
  799. {
  800. struct b43_phy_n *nphy = dev->phy.n;
  801. int i;
  802. u16 seq_mode;
  803. u32 tmp;
  804. if (nphy->hang_avoid)
  805. b43_nphy_stay_in_carrier_search(dev, true);
  806. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  807. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  808. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  809. }
  810. if (!dev->phy.is_40mhz)
  811. tmp = 0x6464;
  812. else
  813. tmp = 0x4747;
  814. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  815. if (nphy->hang_avoid)
  816. b43_nphy_stay_in_carrier_search(dev, false);
  817. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  818. if (loops != 0xFFFF)
  819. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  820. else
  821. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  822. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  823. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  824. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  825. if (iqmode) {
  826. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  827. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  828. } else {
  829. if (dac_test)
  830. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  831. else
  832. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  833. }
  834. for (i = 0; i < 100; i++) {
  835. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
  836. i = 0;
  837. break;
  838. }
  839. udelay(10);
  840. }
  841. if (i)
  842. b43err(dev->wl, "run samples timeout\n");
  843. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  844. }
  845. /**************************************************
  846. * RSSI
  847. **************************************************/
  848. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  849. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  850. s8 offset, u8 core, u8 rail,
  851. enum b43_nphy_rssi_type type)
  852. {
  853. u16 tmp;
  854. bool core1or5 = (core == 1) || (core == 5);
  855. bool core2or5 = (core == 2) || (core == 5);
  856. offset = clamp_val(offset, -32, 31);
  857. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  858. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  859. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  860. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  861. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  862. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  863. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  864. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  865. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  866. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  867. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  868. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  869. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  870. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  871. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  872. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  873. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  874. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  875. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  876. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  877. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  878. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  879. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  880. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  881. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  882. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  883. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  884. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  885. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  886. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  887. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  888. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  889. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  890. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  891. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  892. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  893. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  894. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  895. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  896. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  897. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  898. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
  899. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  900. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
  901. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  902. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  903. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  904. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  905. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  906. }
  907. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  908. {
  909. u8 i;
  910. u16 reg, val;
  911. if (code == 0) {
  912. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  913. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  914. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  915. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  916. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  917. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  918. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  919. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  920. } else {
  921. for (i = 0; i < 2; i++) {
  922. if ((code == 1 && i == 1) || (code == 2 && !i))
  923. continue;
  924. reg = (i == 0) ?
  925. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  926. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  927. if (type < 3) {
  928. reg = (i == 0) ?
  929. B43_NPHY_AFECTL_C1 :
  930. B43_NPHY_AFECTL_C2;
  931. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  932. reg = (i == 0) ?
  933. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  934. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  935. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  936. if (type == 0)
  937. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  938. else if (type == 1)
  939. val = 16;
  940. else
  941. val = 32;
  942. b43_phy_set(dev, reg, val);
  943. reg = (i == 0) ?
  944. B43_NPHY_TXF_40CO_B1S0 :
  945. B43_NPHY_TXF_40CO_B32S1;
  946. b43_phy_set(dev, reg, 0x0020);
  947. } else {
  948. if (type == 6)
  949. val = 0x0100;
  950. else if (type == 3)
  951. val = 0x0200;
  952. else
  953. val = 0x0300;
  954. reg = (i == 0) ?
  955. B43_NPHY_AFECTL_C1 :
  956. B43_NPHY_AFECTL_C2;
  957. b43_phy_maskset(dev, reg, 0xFCFF, val);
  958. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  959. if (type != 3 && type != 6) {
  960. enum ieee80211_band band =
  961. b43_current_band(dev->wl);
  962. if (b43_nphy_ipa(dev))
  963. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  964. else
  965. val = 0x11;
  966. reg = (i == 0) ? 0x2000 : 0x3000;
  967. reg |= B2055_PADDRV;
  968. b43_radio_write16(dev, reg, val);
  969. reg = (i == 0) ?
  970. B43_NPHY_AFECTL_OVER1 :
  971. B43_NPHY_AFECTL_OVER;
  972. b43_phy_set(dev, reg, 0x0200);
  973. }
  974. }
  975. }
  976. }
  977. }
  978. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  979. {
  980. u16 val;
  981. if (type < 3)
  982. val = 0;
  983. else if (type == 6)
  984. val = 1;
  985. else if (type == 3)
  986. val = 2;
  987. else
  988. val = 3;
  989. val = (val << 12) | (val << 14);
  990. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  991. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  992. if (type < 3) {
  993. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  994. (type + 1) << 4);
  995. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  996. (type + 1) << 4);
  997. }
  998. if (code == 0) {
  999. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
  1000. if (type < 3) {
  1001. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1002. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1003. B43_NPHY_RFCTL_CMD_CORESEL));
  1004. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1005. ~(0x1 << 12 |
  1006. 0x1 << 5 |
  1007. 0x1 << 1 |
  1008. 0x1));
  1009. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1010. ~B43_NPHY_RFCTL_CMD_START);
  1011. udelay(20);
  1012. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1013. }
  1014. } else {
  1015. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
  1016. if (type < 3) {
  1017. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1018. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1019. B43_NPHY_RFCTL_CMD_CORESEL),
  1020. (B43_NPHY_RFCTL_CMD_RXEN |
  1021. code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
  1022. b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
  1023. (0x1 << 12 |
  1024. 0x1 << 5 |
  1025. 0x1 << 1 |
  1026. 0x1));
  1027. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1028. B43_NPHY_RFCTL_CMD_START);
  1029. udelay(20);
  1030. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1031. }
  1032. }
  1033. }
  1034. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1035. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1036. {
  1037. if (dev->phy.rev >= 3)
  1038. b43_nphy_rev3_rssi_select(dev, code, type);
  1039. else
  1040. b43_nphy_rev2_rssi_select(dev, code, type);
  1041. }
  1042. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1043. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1044. {
  1045. int i;
  1046. for (i = 0; i < 2; i++) {
  1047. if (type == 2) {
  1048. if (i == 0) {
  1049. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1050. 0xFC, buf[0]);
  1051. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1052. 0xFC, buf[1]);
  1053. } else {
  1054. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1055. 0xFC, buf[2 * i]);
  1056. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1057. 0xFC, buf[2 * i + 1]);
  1058. }
  1059. } else {
  1060. if (i == 0)
  1061. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1062. 0xF3, buf[0] << 2);
  1063. else
  1064. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1065. 0xF3, buf[2 * i + 1] << 2);
  1066. }
  1067. }
  1068. }
  1069. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1070. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1071. u8 nsamp)
  1072. {
  1073. int i;
  1074. int out;
  1075. u16 save_regs_phy[9];
  1076. u16 s[2];
  1077. if (dev->phy.rev >= 3) {
  1078. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1079. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1080. save_regs_phy[2] = b43_phy_read(dev,
  1081. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1082. save_regs_phy[3] = b43_phy_read(dev,
  1083. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1084. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1085. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1086. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1087. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1088. save_regs_phy[8] = 0;
  1089. } else {
  1090. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1091. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1092. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1093. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
  1094. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  1095. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  1096. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  1097. save_regs_phy[7] = 0;
  1098. save_regs_phy[8] = 0;
  1099. }
  1100. b43_nphy_rssi_select(dev, 5, type);
  1101. if (dev->phy.rev < 2) {
  1102. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1103. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1104. }
  1105. for (i = 0; i < 4; i++)
  1106. buf[i] = 0;
  1107. for (i = 0; i < nsamp; i++) {
  1108. if (dev->phy.rev < 2) {
  1109. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1110. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1111. } else {
  1112. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1113. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1114. }
  1115. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1116. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1117. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1118. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1119. }
  1120. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1121. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1122. if (dev->phy.rev < 2)
  1123. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1124. if (dev->phy.rev >= 3) {
  1125. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1126. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1127. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1128. save_regs_phy[2]);
  1129. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1130. save_regs_phy[3]);
  1131. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1132. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1133. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1134. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1135. } else {
  1136. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1137. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1138. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
  1139. b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
  1140. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
  1141. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
  1142. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
  1143. }
  1144. return out;
  1145. }
  1146. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1147. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1148. {
  1149. struct b43_phy_n *nphy = dev->phy.n;
  1150. u16 saved_regs_phy_rfctl[2];
  1151. u16 saved_regs_phy[13];
  1152. u16 regs_to_store[] = {
  1153. B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
  1154. B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
  1155. B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
  1156. B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
  1157. B43_NPHY_RFCTL_CMD,
  1158. B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1159. B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
  1160. };
  1161. u16 class;
  1162. u16 clip_state[2];
  1163. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1164. u8 vcm_final = 0;
  1165. s32 offset[4];
  1166. s32 results[8][4] = { };
  1167. s32 results_min[4] = { };
  1168. s32 poll_results[4] = { };
  1169. u16 *rssical_radio_regs = NULL;
  1170. u16 *rssical_phy_regs = NULL;
  1171. u16 r; /* routing */
  1172. u8 rx_core_state;
  1173. u8 core, i, j;
  1174. class = b43_nphy_classifier(dev, 0, 0);
  1175. b43_nphy_classifier(dev, 7, 4);
  1176. b43_nphy_read_clip_detection(dev, clip_state);
  1177. b43_nphy_write_clip_detection(dev, clip_off);
  1178. saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1179. saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1180. for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
  1181. saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
  1182. b43_nphy_rf_control_intc_override(dev, 0, 0, 7);
  1183. b43_nphy_rf_control_intc_override(dev, 1, 1, 7);
  1184. b43_nphy_rf_control_override(dev, 0x1, 0, 0, false);
  1185. b43_nphy_rf_control_override(dev, 0x2, 1, 0, false);
  1186. b43_nphy_rf_control_override(dev, 0x80, 1, 0, false);
  1187. b43_nphy_rf_control_override(dev, 0x40, 1, 0, false);
  1188. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1189. b43_nphy_rf_control_override(dev, 0x20, 0, 0, false);
  1190. b43_nphy_rf_control_override(dev, 0x10, 1, 0, false);
  1191. } else {
  1192. b43_nphy_rf_control_override(dev, 0x10, 0, 0, false);
  1193. b43_nphy_rf_control_override(dev, 0x20, 1, 0, false);
  1194. }
  1195. rx_core_state = b43_nphy_get_rx_core_state(dev);
  1196. for (core = 0; core < 2; core++) {
  1197. if (!(rx_core_state & (1 << core)))
  1198. continue;
  1199. r = core ? B2056_RX1 : B2056_RX0;
  1200. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, 2);
  1201. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, 2);
  1202. for (i = 0; i < 8; i++) {
  1203. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
  1204. i << 2);
  1205. b43_nphy_poll_rssi(dev, 2, results[i], 8);
  1206. }
  1207. for (i = 0; i < 4; i++) {
  1208. s32 curr;
  1209. s32 mind = 0x100000;
  1210. s32 minpoll = 249;
  1211. u8 minvcm = 0;
  1212. if (2 * core != i)
  1213. continue;
  1214. for (j = 0; j < 8; j++) {
  1215. curr = results[j][i] * results[j][i] +
  1216. results[j][i + 1] * results[j][i];
  1217. if (curr < mind) {
  1218. mind = curr;
  1219. minvcm = j;
  1220. }
  1221. if (results[j][i] < minpoll)
  1222. minpoll = results[j][i];
  1223. }
  1224. vcm_final = minvcm;
  1225. results_min[i] = minpoll;
  1226. }
  1227. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
  1228. vcm_final << 2);
  1229. for (i = 0; i < 4; i++) {
  1230. if (core != i / 2)
  1231. continue;
  1232. offset[i] = -results[vcm_final][i];
  1233. if (offset[i] < 0)
  1234. offset[i] = -((abs(offset[i]) + 4) / 8);
  1235. else
  1236. offset[i] = (offset[i] + 4) / 8;
  1237. if (results_min[i] == 248)
  1238. offset[i] = -32;
  1239. b43_nphy_scale_offset_rssi(dev, 0, offset[i],
  1240. (i / 2 == 0) ? 1 : 2,
  1241. (i % 2 == 0) ? 0 : 1,
  1242. 2);
  1243. }
  1244. }
  1245. for (core = 0; core < 2; core++) {
  1246. if (!(rx_core_state & (1 << core)))
  1247. continue;
  1248. for (i = 0; i < 2; i++) {
  1249. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 0, i);
  1250. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1, i);
  1251. b43_nphy_poll_rssi(dev, i, poll_results, 8);
  1252. for (j = 0; j < 4; j++) {
  1253. if (j / 2 == core)
  1254. offset[j] = 232 - poll_results[j];
  1255. if (offset[j] < 0)
  1256. offset[j] = -(abs(offset[j] + 4) / 8);
  1257. else
  1258. offset[j] = (offset[j] + 4) / 8;
  1259. b43_nphy_scale_offset_rssi(dev, 0,
  1260. offset[2 * core], core + 1, j % 2, i);
  1261. }
  1262. }
  1263. }
  1264. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
  1265. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
  1266. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1267. b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
  1268. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
  1269. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
  1270. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1271. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
  1272. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
  1273. for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
  1274. b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
  1275. /* Store for future configuration */
  1276. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1277. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1278. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1279. } else {
  1280. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1281. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1282. }
  1283. rssical_radio_regs[0] = b43_radio_read(dev, 0x602B);
  1284. rssical_radio_regs[0] = b43_radio_read(dev, 0x702B);
  1285. rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
  1286. rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
  1287. rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
  1288. rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
  1289. rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
  1290. rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
  1291. rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
  1292. rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
  1293. rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
  1294. rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
  1295. rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
  1296. rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
  1297. /* Remember for which channel we store configuration */
  1298. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1299. nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
  1300. else
  1301. nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;
  1302. /* End of calibration, restore configuration */
  1303. b43_nphy_classifier(dev, 7, class);
  1304. b43_nphy_write_clip_detection(dev, clip_state);
  1305. }
  1306. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1307. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1308. {
  1309. int i, j;
  1310. u8 state[4];
  1311. u8 code, val;
  1312. u16 class, override;
  1313. u8 regs_save_radio[2];
  1314. u16 regs_save_phy[2];
  1315. s32 offset[4];
  1316. u8 core;
  1317. u8 rail;
  1318. u16 clip_state[2];
  1319. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1320. s32 results_min[4] = { };
  1321. u8 vcm_final[4] = { };
  1322. s32 results[4][4] = { };
  1323. s32 miniq[4][2] = { };
  1324. if (type == 2) {
  1325. code = 0;
  1326. val = 6;
  1327. } else if (type < 2) {
  1328. code = 25;
  1329. val = 4;
  1330. } else {
  1331. B43_WARN_ON(1);
  1332. return;
  1333. }
  1334. class = b43_nphy_classifier(dev, 0, 0);
  1335. b43_nphy_classifier(dev, 7, 4);
  1336. b43_nphy_read_clip_detection(dev, clip_state);
  1337. b43_nphy_write_clip_detection(dev, clip_off);
  1338. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1339. override = 0x140;
  1340. else
  1341. override = 0x110;
  1342. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1343. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1344. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1345. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1346. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1347. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1348. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1349. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1350. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1351. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1352. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1353. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1354. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1355. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1356. b43_nphy_rssi_select(dev, 5, type);
  1357. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1358. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1359. for (i = 0; i < 4; i++) {
  1360. u8 tmp[4];
  1361. for (j = 0; j < 4; j++)
  1362. tmp[j] = i;
  1363. if (type != 1)
  1364. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1365. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1366. if (type < 2)
  1367. for (j = 0; j < 2; j++)
  1368. miniq[i][j] = min(results[i][2 * j],
  1369. results[i][2 * j + 1]);
  1370. }
  1371. for (i = 0; i < 4; i++) {
  1372. s32 mind = 0x100000;
  1373. u8 minvcm = 0;
  1374. s32 minpoll = 249;
  1375. s32 curr;
  1376. for (j = 0; j < 4; j++) {
  1377. if (type == 2)
  1378. curr = abs(results[j][i]);
  1379. else
  1380. curr = abs(miniq[j][i / 2] - code * 8);
  1381. if (curr < mind) {
  1382. mind = curr;
  1383. minvcm = j;
  1384. }
  1385. if (results[j][i] < minpoll)
  1386. minpoll = results[j][i];
  1387. }
  1388. results_min[i] = minpoll;
  1389. vcm_final[i] = minvcm;
  1390. }
  1391. if (type != 1)
  1392. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1393. for (i = 0; i < 4; i++) {
  1394. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1395. if (offset[i] < 0)
  1396. offset[i] = -((abs(offset[i]) + 4) / 8);
  1397. else
  1398. offset[i] = (offset[i] + 4) / 8;
  1399. if (results_min[i] == 248)
  1400. offset[i] = code - 32;
  1401. core = (i / 2) ? 2 : 1;
  1402. rail = (i % 2) ? 1 : 0;
  1403. b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
  1404. type);
  1405. }
  1406. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1407. b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
  1408. switch (state[2]) {
  1409. case 1:
  1410. b43_nphy_rssi_select(dev, 1, 2);
  1411. break;
  1412. case 4:
  1413. b43_nphy_rssi_select(dev, 1, 0);
  1414. break;
  1415. case 2:
  1416. b43_nphy_rssi_select(dev, 1, 1);
  1417. break;
  1418. default:
  1419. b43_nphy_rssi_select(dev, 1, 1);
  1420. break;
  1421. }
  1422. switch (state[3]) {
  1423. case 1:
  1424. b43_nphy_rssi_select(dev, 2, 2);
  1425. break;
  1426. case 4:
  1427. b43_nphy_rssi_select(dev, 2, 0);
  1428. break;
  1429. default:
  1430. b43_nphy_rssi_select(dev, 2, 1);
  1431. break;
  1432. }
  1433. b43_nphy_rssi_select(dev, 0, type);
  1434. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1435. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1436. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1437. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1438. b43_nphy_classifier(dev, 7, class);
  1439. b43_nphy_write_clip_detection(dev, clip_state);
  1440. /* Specs don't say about reset here, but it makes wl and b43 dumps
  1441. identical, it really seems wl performs this */
  1442. b43_nphy_reset_cca(dev);
  1443. }
  1444. /*
  1445. * RSSI Calibration
  1446. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1447. */
  1448. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1449. {
  1450. if (dev->phy.rev >= 3) {
  1451. b43_nphy_rev3_rssi_cal(dev);
  1452. } else {
  1453. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
  1454. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
  1455. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
  1456. }
  1457. }
  1458. /**************************************************
  1459. * Workarounds
  1460. **************************************************/
  1461. static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
  1462. {
  1463. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1464. bool ghz5;
  1465. bool ext_lna;
  1466. u16 rssi_gain;
  1467. struct nphy_gain_ctl_workaround_entry *e;
  1468. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  1469. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  1470. /* Prepare values */
  1471. ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
  1472. & B43_NPHY_BANDCTL_5GHZ;
  1473. ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
  1474. sprom->boardflags_lo & B43_BFL_EXTLNA;
  1475. e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
  1476. if (ghz5 && dev->phy.rev >= 5)
  1477. rssi_gain = 0x90;
  1478. else
  1479. rssi_gain = 0x50;
  1480. b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
  1481. /* Set Clip 2 detect */
  1482. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  1483. B43_NPHY_C1_CGAINI_CL2DETECT);
  1484. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  1485. B43_NPHY_C2_CGAINI_CL2DETECT);
  1486. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1487. 0x17);
  1488. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1489. 0x17);
  1490. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
  1491. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
  1492. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
  1493. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
  1494. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
  1495. rssi_gain);
  1496. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
  1497. rssi_gain);
  1498. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1499. 0x17);
  1500. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1501. 0x17);
  1502. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
  1503. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
  1504. b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
  1505. b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
  1506. b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
  1507. b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
  1508. b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
  1509. b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
  1510. b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
  1511. b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
  1512. b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
  1513. b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
  1514. b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
  1515. b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
  1516. b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
  1517. b43_phy_write(dev, 0x2A7, e->init_gain);
  1518. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
  1519. e->rfseq_init);
  1520. /* TODO: check defines. Do not match variables names */
  1521. b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
  1522. b43_phy_write(dev, 0x2A9, e->cliphi_gain);
  1523. b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
  1524. b43_phy_write(dev, 0x2AB, e->clipmd_gain);
  1525. b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
  1526. b43_phy_write(dev, 0x2AD, e->cliplo_gain);
  1527. b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
  1528. b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
  1529. b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
  1530. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
  1531. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
  1532. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1533. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
  1534. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1535. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
  1536. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1537. }
  1538. static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
  1539. {
  1540. struct b43_phy_n *nphy = dev->phy.n;
  1541. u8 i, j;
  1542. u8 code;
  1543. u16 tmp;
  1544. u8 rfseq_events[3] = { 6, 8, 7 };
  1545. u8 rfseq_delays[3] = { 10, 30, 1 };
  1546. /* Set Clip 2 detect */
  1547. b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
  1548. b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
  1549. /* Set narrowband clip threshold */
  1550. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  1551. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  1552. if (!dev->phy.is_40mhz) {
  1553. /* Set dwell lengths */
  1554. b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  1555. b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  1556. b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  1557. b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  1558. }
  1559. /* Set wideband clip 2 threshold */
  1560. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1561. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
  1562. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1563. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
  1564. if (!dev->phy.is_40mhz) {
  1565. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  1566. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  1567. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  1568. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  1569. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  1570. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  1571. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  1572. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  1573. }
  1574. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1575. if (nphy->gain_boost) {
  1576. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  1577. dev->phy.is_40mhz)
  1578. code = 4;
  1579. else
  1580. code = 5;
  1581. } else {
  1582. code = dev->phy.is_40mhz ? 6 : 7;
  1583. }
  1584. /* Set HPVGA2 index */
  1585. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
  1586. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  1587. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
  1588. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  1589. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1590. /* specs say about 2 loops, but wl does 4 */
  1591. for (i = 0; i < 4; i++)
  1592. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
  1593. b43_nphy_adjust_lna_gain_table(dev);
  1594. if (nphy->elna_gain_config) {
  1595. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  1596. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1597. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1598. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1599. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1600. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  1601. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1602. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1603. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1604. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1605. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1606. /* specs say about 2 loops, but wl does 4 */
  1607. for (i = 0; i < 4; i++)
  1608. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1609. (code << 8 | 0x74));
  1610. }
  1611. if (dev->phy.rev == 2) {
  1612. for (i = 0; i < 4; i++) {
  1613. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1614. (0x0400 * i) + 0x0020);
  1615. for (j = 0; j < 21; j++) {
  1616. tmp = j * (i < 2 ? 3 : 1);
  1617. b43_phy_write(dev,
  1618. B43_NPHY_TABLE_DATALO, tmp);
  1619. }
  1620. }
  1621. }
  1622. b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
  1623. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  1624. ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
  1625. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  1626. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1627. b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
  1628. }
  1629. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  1630. static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
  1631. {
  1632. if (dev->phy.rev >= 3)
  1633. b43_nphy_gain_ctl_workarounds_rev3plus(dev);
  1634. else
  1635. b43_nphy_gain_ctl_workarounds_rev1_2(dev);
  1636. }
  1637. static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
  1638. {
  1639. struct b43_phy_n *nphy = dev->phy.n;
  1640. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1641. /* TX to RX */
  1642. u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
  1643. u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
  1644. /* RX to TX */
  1645. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  1646. 0x1F };
  1647. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  1648. u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
  1649. u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
  1650. u16 tmp16;
  1651. u32 tmp32;
  1652. b43_phy_write(dev, 0x23f, 0x1f8);
  1653. b43_phy_write(dev, 0x240, 0x1f8);
  1654. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  1655. tmp32 &= 0xffffff;
  1656. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  1657. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
  1658. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
  1659. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
  1660. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
  1661. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
  1662. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
  1663. b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
  1664. b43_phy_write(dev, 0x2AE, 0x000C);
  1665. /* TX to RX */
  1666. b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
  1667. ARRAY_SIZE(tx2rx_events));
  1668. /* RX to TX */
  1669. if (b43_nphy_ipa(dev))
  1670. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  1671. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  1672. if (nphy->hw_phyrxchain != 3 &&
  1673. nphy->hw_phyrxchain != nphy->hw_phytxchain) {
  1674. if (b43_nphy_ipa(dev)) {
  1675. rx2tx_delays[5] = 59;
  1676. rx2tx_delays[6] = 1;
  1677. rx2tx_events[7] = 0x1F;
  1678. }
  1679. b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
  1680. ARRAY_SIZE(rx2tx_events));
  1681. }
  1682. tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
  1683. 0x2 : 0x9C40;
  1684. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
  1685. b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
  1686. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
  1687. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
  1688. b43_nphy_gain_ctl_workarounds(dev);
  1689. b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
  1690. b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
  1691. /* TODO */
  1692. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  1693. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  1694. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  1695. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  1696. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  1697. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  1698. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  1699. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  1700. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  1701. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  1702. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  1703. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  1704. /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
  1705. if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  1706. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
  1707. (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  1708. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
  1709. tmp32 = 0x00088888;
  1710. else
  1711. tmp32 = 0x88888888;
  1712. b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
  1713. b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
  1714. b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
  1715. if (dev->phy.rev == 4 &&
  1716. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1717. b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
  1718. 0x70);
  1719. b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
  1720. 0x70);
  1721. }
  1722. b43_phy_write(dev, 0x224, 0x03eb);
  1723. b43_phy_write(dev, 0x225, 0x03eb);
  1724. b43_phy_write(dev, 0x226, 0x0341);
  1725. b43_phy_write(dev, 0x227, 0x0341);
  1726. b43_phy_write(dev, 0x228, 0x042b);
  1727. b43_phy_write(dev, 0x229, 0x042b);
  1728. b43_phy_write(dev, 0x22a, 0x0381);
  1729. b43_phy_write(dev, 0x22b, 0x0381);
  1730. b43_phy_write(dev, 0x22c, 0x042b);
  1731. b43_phy_write(dev, 0x22d, 0x042b);
  1732. b43_phy_write(dev, 0x22e, 0x0381);
  1733. b43_phy_write(dev, 0x22f, 0x0381);
  1734. }
  1735. static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
  1736. {
  1737. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1738. struct b43_phy *phy = &dev->phy;
  1739. struct b43_phy_n *nphy = phy->n;
  1740. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  1741. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  1742. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  1743. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  1744. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  1745. nphy->band5g_pwrgain) {
  1746. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  1747. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  1748. } else {
  1749. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  1750. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  1751. }
  1752. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
  1753. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
  1754. b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
  1755. b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
  1756. if (dev->phy.rev < 2) {
  1757. b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
  1758. b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
  1759. b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
  1760. b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
  1761. b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
  1762. b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
  1763. }
  1764. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  1765. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  1766. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  1767. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  1768. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
  1769. dev->dev->board_type == 0x8B) {
  1770. delays1[0] = 0x1;
  1771. delays1[5] = 0x14;
  1772. }
  1773. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  1774. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  1775. b43_nphy_gain_ctl_workarounds(dev);
  1776. if (dev->phy.rev < 2) {
  1777. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  1778. b43_hf_write(dev, b43_hf_read(dev) |
  1779. B43_HF_MLADVW);
  1780. } else if (dev->phy.rev == 2) {
  1781. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  1782. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  1783. }
  1784. if (dev->phy.rev < 2)
  1785. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  1786. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  1787. /* Set phase track alpha and beta */
  1788. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  1789. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  1790. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  1791. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  1792. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  1793. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  1794. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  1795. ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
  1796. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  1797. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  1798. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  1799. if (dev->phy.rev == 2)
  1800. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  1801. B43_NPHY_FINERX2_CGC_DECGC);
  1802. }
  1803. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  1804. static void b43_nphy_workarounds(struct b43_wldev *dev)
  1805. {
  1806. struct b43_phy *phy = &dev->phy;
  1807. struct b43_phy_n *nphy = phy->n;
  1808. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1809. b43_nphy_classifier(dev, 1, 0);
  1810. else
  1811. b43_nphy_classifier(dev, 1, 1);
  1812. if (nphy->hang_avoid)
  1813. b43_nphy_stay_in_carrier_search(dev, 1);
  1814. b43_phy_set(dev, B43_NPHY_IQFLIP,
  1815. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  1816. if (dev->phy.rev >= 3)
  1817. b43_nphy_workarounds_rev3plus(dev);
  1818. else
  1819. b43_nphy_workarounds_rev1_2(dev);
  1820. if (nphy->hang_avoid)
  1821. b43_nphy_stay_in_carrier_search(dev, 0);
  1822. }
  1823. /**************************************************
  1824. * Tx/Rx common
  1825. **************************************************/
  1826. /*
  1827. * Transmits a known value for LO calibration
  1828. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  1829. */
  1830. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  1831. bool iqmode, bool dac_test)
  1832. {
  1833. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  1834. if (samp == 0)
  1835. return -1;
  1836. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  1837. return 0;
  1838. }
  1839. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  1840. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  1841. {
  1842. struct b43_phy_n *nphy = dev->phy.n;
  1843. bool override = false;
  1844. u16 chain = 0x33;
  1845. if (nphy->txrx_chain == 0) {
  1846. chain = 0x11;
  1847. override = true;
  1848. } else if (nphy->txrx_chain == 1) {
  1849. chain = 0x22;
  1850. override = true;
  1851. }
  1852. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  1853. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  1854. chain);
  1855. if (override)
  1856. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  1857. B43_NPHY_RFSEQMODE_CAOVER);
  1858. else
  1859. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  1860. ~B43_NPHY_RFSEQMODE_CAOVER);
  1861. }
  1862. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  1863. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  1864. {
  1865. struct b43_phy_n *nphy = dev->phy.n;
  1866. u16 tmp;
  1867. if (nphy->hang_avoid)
  1868. b43_nphy_stay_in_carrier_search(dev, 1);
  1869. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  1870. if (tmp & 0x1)
  1871. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  1872. else if (tmp & 0x2)
  1873. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1874. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  1875. if (nphy->bb_mult_save & 0x80000000) {
  1876. tmp = nphy->bb_mult_save & 0xFFFF;
  1877. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1878. nphy->bb_mult_save = 0;
  1879. }
  1880. if (nphy->hang_avoid)
  1881. b43_nphy_stay_in_carrier_search(dev, 0);
  1882. }
  1883. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  1884. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  1885. struct nphy_txgains target,
  1886. struct nphy_iqcal_params *params)
  1887. {
  1888. int i, j, indx;
  1889. u16 gain;
  1890. if (dev->phy.rev >= 3) {
  1891. params->txgm = target.txgm[core];
  1892. params->pga = target.pga[core];
  1893. params->pad = target.pad[core];
  1894. params->ipa = target.ipa[core];
  1895. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  1896. (params->pad << 4) | (params->ipa);
  1897. for (j = 0; j < 5; j++)
  1898. params->ncorr[j] = 0x79;
  1899. } else {
  1900. gain = (target.pad[core]) | (target.pga[core] << 4) |
  1901. (target.txgm[core] << 8);
  1902. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  1903. 1 : 0;
  1904. for (i = 0; i < 9; i++)
  1905. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  1906. break;
  1907. i = min(i, 8);
  1908. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  1909. params->pga = tbl_iqcal_gainparams[indx][i][2];
  1910. params->pad = tbl_iqcal_gainparams[indx][i][3];
  1911. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  1912. (params->pad << 2);
  1913. for (j = 0; j < 4; j++)
  1914. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  1915. }
  1916. }
  1917. /**************************************************
  1918. * Tx and Rx
  1919. **************************************************/
  1920. void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  1921. {//TODO
  1922. }
  1923. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  1924. {//TODO
  1925. }
  1926. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  1927. bool ignore_tssi)
  1928. {//TODO
  1929. return B43_TXPWR_RES_DONE;
  1930. }
  1931. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
  1932. static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
  1933. {
  1934. struct b43_phy_n *nphy = dev->phy.n;
  1935. u8 i;
  1936. u16 bmask, val, tmp;
  1937. enum ieee80211_band band = b43_current_band(dev->wl);
  1938. if (nphy->hang_avoid)
  1939. b43_nphy_stay_in_carrier_search(dev, 1);
  1940. nphy->txpwrctrl = enable;
  1941. if (!enable) {
  1942. if (dev->phy.rev >= 3 &&
  1943. (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
  1944. (B43_NPHY_TXPCTL_CMD_COEFF |
  1945. B43_NPHY_TXPCTL_CMD_HWPCTLEN |
  1946. B43_NPHY_TXPCTL_CMD_PCTLEN))) {
  1947. /* We disable enabled TX pwr ctl, save it's state */
  1948. nphy->tx_pwr_idx[0] = b43_phy_read(dev,
  1949. B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
  1950. nphy->tx_pwr_idx[1] = b43_phy_read(dev,
  1951. B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
  1952. }
  1953. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
  1954. for (i = 0; i < 84; i++)
  1955. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  1956. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
  1957. for (i = 0; i < 84; i++)
  1958. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  1959. tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1960. if (dev->phy.rev >= 3)
  1961. tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1962. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
  1963. if (dev->phy.rev >= 3) {
  1964. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  1965. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  1966. } else {
  1967. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  1968. }
  1969. if (dev->phy.rev == 2)
  1970. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  1971. ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
  1972. else if (dev->phy.rev < 2)
  1973. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  1974. ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
  1975. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  1976. b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
  1977. } else {
  1978. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
  1979. nphy->adj_pwr_tbl);
  1980. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
  1981. nphy->adj_pwr_tbl);
  1982. bmask = B43_NPHY_TXPCTL_CMD_COEFF |
  1983. B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1984. /* wl does useless check for "enable" param here */
  1985. val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1986. if (dev->phy.rev >= 3) {
  1987. bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1988. if (val)
  1989. val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1990. }
  1991. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
  1992. if (band == IEEE80211_BAND_5GHZ) {
  1993. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  1994. ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
  1995. if (dev->phy.rev > 1)
  1996. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  1997. ~B43_NPHY_TXPCTL_INIT_PIDXI1,
  1998. 0x64);
  1999. }
  2000. if (dev->phy.rev >= 3) {
  2001. if (nphy->tx_pwr_idx[0] != 128 &&
  2002. nphy->tx_pwr_idx[1] != 128) {
  2003. /* Recover TX pwr ctl state */
  2004. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2005. ~B43_NPHY_TXPCTL_CMD_INIT,
  2006. nphy->tx_pwr_idx[0]);
  2007. if (dev->phy.rev > 1)
  2008. b43_phy_maskset(dev,
  2009. B43_NPHY_TXPCTL_INIT,
  2010. ~0xff, nphy->tx_pwr_idx[1]);
  2011. }
  2012. }
  2013. if (dev->phy.rev >= 3) {
  2014. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
  2015. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
  2016. } else {
  2017. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
  2018. }
  2019. if (dev->phy.rev == 2)
  2020. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
  2021. else if (dev->phy.rev < 2)
  2022. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
  2023. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  2024. b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
  2025. if (b43_nphy_ipa(dev)) {
  2026. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
  2027. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
  2028. }
  2029. }
  2030. if (nphy->hang_avoid)
  2031. b43_nphy_stay_in_carrier_search(dev, 0);
  2032. }
  2033. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
  2034. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  2035. {
  2036. struct b43_phy_n *nphy = dev->phy.n;
  2037. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2038. u8 txpi[2], bbmult, i;
  2039. u16 tmp, radio_gain, dac_gain;
  2040. u16 freq = dev->phy.channel_freq;
  2041. u32 txgain;
  2042. /* u32 gaintbl; rev3+ */
  2043. if (nphy->hang_avoid)
  2044. b43_nphy_stay_in_carrier_search(dev, 1);
  2045. if (dev->phy.rev >= 7) {
  2046. txpi[0] = txpi[1] = 30;
  2047. } else if (dev->phy.rev >= 3) {
  2048. txpi[0] = 40;
  2049. txpi[1] = 40;
  2050. } else if (sprom->revision < 4) {
  2051. txpi[0] = 72;
  2052. txpi[1] = 72;
  2053. } else {
  2054. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2055. txpi[0] = sprom->txpid2g[0];
  2056. txpi[1] = sprom->txpid2g[1];
  2057. } else if (freq >= 4900 && freq < 5100) {
  2058. txpi[0] = sprom->txpid5gl[0];
  2059. txpi[1] = sprom->txpid5gl[1];
  2060. } else if (freq >= 5100 && freq < 5500) {
  2061. txpi[0] = sprom->txpid5g[0];
  2062. txpi[1] = sprom->txpid5g[1];
  2063. } else if (freq >= 5500) {
  2064. txpi[0] = sprom->txpid5gh[0];
  2065. txpi[1] = sprom->txpid5gh[1];
  2066. } else {
  2067. txpi[0] = 91;
  2068. txpi[1] = 91;
  2069. }
  2070. }
  2071. if (dev->phy.rev < 7 &&
  2072. (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
  2073. txpi[0] = txpi[1] = 91;
  2074. /*
  2075. for (i = 0; i < 2; i++) {
  2076. nphy->txpwrindex[i].index_internal = txpi[i];
  2077. nphy->txpwrindex[i].index_internal_save = txpi[i];
  2078. }
  2079. */
  2080. for (i = 0; i < 2; i++) {
  2081. txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
  2082. if (dev->phy.rev >= 3)
  2083. radio_gain = (txgain >> 16) & 0x1FFFF;
  2084. else
  2085. radio_gain = (txgain >> 16) & 0x1FFF;
  2086. if (dev->phy.rev >= 7)
  2087. dac_gain = (txgain >> 8) & 0x7;
  2088. else
  2089. dac_gain = (txgain >> 8) & 0x3F;
  2090. bbmult = txgain & 0xFF;
  2091. if (dev->phy.rev >= 3) {
  2092. if (i == 0)
  2093. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  2094. else
  2095. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  2096. } else {
  2097. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  2098. }
  2099. if (i == 0)
  2100. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
  2101. else
  2102. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
  2103. b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
  2104. tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
  2105. if (i == 0)
  2106. tmp = (tmp & 0x00FF) | (bbmult << 8);
  2107. else
  2108. tmp = (tmp & 0xFF00) | bbmult;
  2109. b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
  2110. if (b43_nphy_ipa(dev)) {
  2111. u32 tmp32;
  2112. u16 reg = (i == 0) ?
  2113. B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
  2114. tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
  2115. 576 + txpi[i]));
  2116. b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
  2117. b43_phy_set(dev, reg, 0x4);
  2118. }
  2119. }
  2120. b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
  2121. if (nphy->hang_avoid)
  2122. b43_nphy_stay_in_carrier_search(dev, 0);
  2123. }
  2124. static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
  2125. {
  2126. struct b43_phy *phy = &dev->phy;
  2127. u8 core;
  2128. u16 r; /* routing */
  2129. if (phy->rev >= 7) {
  2130. for (core = 0; core < 2; core++) {
  2131. r = core ? 0x190 : 0x170;
  2132. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2133. b43_radio_write(dev, r + 0x5, 0x5);
  2134. b43_radio_write(dev, r + 0x9, 0xE);
  2135. if (phy->rev != 5)
  2136. b43_radio_write(dev, r + 0xA, 0);
  2137. if (phy->rev != 7)
  2138. b43_radio_write(dev, r + 0xB, 1);
  2139. else
  2140. b43_radio_write(dev, r + 0xB, 0x31);
  2141. } else {
  2142. b43_radio_write(dev, r + 0x5, 0x9);
  2143. b43_radio_write(dev, r + 0x9, 0xC);
  2144. b43_radio_write(dev, r + 0xB, 0x0);
  2145. if (phy->rev != 5)
  2146. b43_radio_write(dev, r + 0xA, 1);
  2147. else
  2148. b43_radio_write(dev, r + 0xA, 0x31);
  2149. }
  2150. b43_radio_write(dev, r + 0x6, 0);
  2151. b43_radio_write(dev, r + 0x7, 0);
  2152. b43_radio_write(dev, r + 0x8, 3);
  2153. b43_radio_write(dev, r + 0xC, 0);
  2154. }
  2155. } else {
  2156. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2157. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
  2158. else
  2159. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
  2160. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
  2161. b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
  2162. for (core = 0; core < 2; core++) {
  2163. r = core ? B2056_TX1 : B2056_TX0;
  2164. b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
  2165. b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
  2166. b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
  2167. b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
  2168. b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
  2169. b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
  2170. b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
  2171. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2172. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2173. 0x5);
  2174. if (phy->rev != 5)
  2175. b43_radio_write(dev, r | B2056_TX_TSSIA,
  2176. 0x00);
  2177. if (phy->rev >= 5)
  2178. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2179. 0x31);
  2180. else
  2181. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2182. 0x11);
  2183. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2184. 0xE);
  2185. } else {
  2186. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2187. 0x9);
  2188. b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
  2189. b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
  2190. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2191. 0xC);
  2192. }
  2193. }
  2194. }
  2195. }
  2196. /*
  2197. * Stop radio and transmit known signal. Then check received signal strength to
  2198. * get TSSI (Transmit Signal Strength Indicator).
  2199. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
  2200. */
  2201. static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
  2202. {
  2203. struct b43_phy *phy = &dev->phy;
  2204. struct b43_phy_n *nphy = dev->phy.n;
  2205. u32 tmp;
  2206. s32 rssi[4] = { };
  2207. /* TODO: check if we can transmit */
  2208. if (b43_nphy_ipa(dev))
  2209. b43_nphy_ipa_internal_tssi_setup(dev);
  2210. if (phy->rev >= 7)
  2211. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
  2212. else if (phy->rev >= 3)
  2213. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
  2214. b43_nphy_stop_playback(dev);
  2215. b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
  2216. udelay(20);
  2217. tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
  2218. b43_nphy_stop_playback(dev);
  2219. b43_nphy_rssi_select(dev, 0, 0);
  2220. if (phy->rev >= 7)
  2221. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
  2222. else if (phy->rev >= 3)
  2223. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
  2224. if (phy->rev >= 3) {
  2225. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
  2226. nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
  2227. } else {
  2228. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
  2229. nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
  2230. }
  2231. nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
  2232. nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
  2233. }
  2234. /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
  2235. static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
  2236. {
  2237. struct b43_phy_n *nphy = dev->phy.n;
  2238. u8 idx, delta;
  2239. u8 i, stf_mode;
  2240. for (i = 0; i < 4; i++)
  2241. nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
  2242. for (stf_mode = 0; stf_mode < 4; stf_mode++) {
  2243. delta = 0;
  2244. switch (stf_mode) {
  2245. case 0:
  2246. if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
  2247. idx = 68;
  2248. } else {
  2249. delta = 1;
  2250. idx = dev->phy.is_40mhz ? 52 : 4;
  2251. }
  2252. break;
  2253. case 1:
  2254. idx = dev->phy.is_40mhz ? 76 : 28;
  2255. break;
  2256. case 2:
  2257. idx = dev->phy.is_40mhz ? 84 : 36;
  2258. break;
  2259. case 3:
  2260. idx = dev->phy.is_40mhz ? 92 : 44;
  2261. break;
  2262. }
  2263. for (i = 0; i < 20; i++) {
  2264. nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
  2265. nphy->tx_power_offset[idx];
  2266. if (i == 0)
  2267. idx += delta;
  2268. if (i == 14)
  2269. idx += 1 - delta;
  2270. if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
  2271. i == 13)
  2272. idx += 1;
  2273. }
  2274. }
  2275. }
  2276. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
  2277. static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
  2278. {
  2279. struct b43_phy_n *nphy = dev->phy.n;
  2280. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2281. s16 a1[2], b0[2], b1[2];
  2282. u8 idle[2];
  2283. s8 target[2];
  2284. s32 num, den, pwr;
  2285. u32 regval[64];
  2286. u16 freq = dev->phy.channel_freq;
  2287. u16 tmp;
  2288. u16 r; /* routing */
  2289. u8 i, c;
  2290. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2291. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2292. b43_read32(dev, B43_MMIO_MACCTL);
  2293. udelay(1);
  2294. }
  2295. if (nphy->hang_avoid)
  2296. b43_nphy_stay_in_carrier_search(dev, true);
  2297. b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
  2298. if (dev->phy.rev >= 3)
  2299. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
  2300. ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
  2301. else
  2302. b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
  2303. B43_NPHY_TXPCTL_CMD_PCTLEN);
  2304. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2305. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2306. if (sprom->revision < 4) {
  2307. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
  2308. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
  2309. target[0] = target[1] = 52;
  2310. a1[0] = a1[1] = -424;
  2311. b0[0] = b0[1] = 5612;
  2312. b1[0] = b1[1] = -1393;
  2313. } else {
  2314. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2315. for (c = 0; c < 2; c++) {
  2316. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
  2317. target[c] = sprom->core_pwr_info[c].maxpwr_2g;
  2318. a1[c] = sprom->core_pwr_info[c].pa_2g[0];
  2319. b0[c] = sprom->core_pwr_info[c].pa_2g[1];
  2320. b1[c] = sprom->core_pwr_info[c].pa_2g[2];
  2321. }
  2322. } else if (freq >= 4900 && freq < 5100) {
  2323. for (c = 0; c < 2; c++) {
  2324. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2325. target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
  2326. a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
  2327. b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
  2328. b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
  2329. }
  2330. } else if (freq >= 5100 && freq < 5500) {
  2331. for (c = 0; c < 2; c++) {
  2332. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2333. target[c] = sprom->core_pwr_info[c].maxpwr_5g;
  2334. a1[c] = sprom->core_pwr_info[c].pa_5g[0];
  2335. b0[c] = sprom->core_pwr_info[c].pa_5g[1];
  2336. b1[c] = sprom->core_pwr_info[c].pa_5g[2];
  2337. }
  2338. } else if (freq >= 5500) {
  2339. for (c = 0; c < 2; c++) {
  2340. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2341. target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
  2342. a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
  2343. b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
  2344. b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
  2345. }
  2346. } else {
  2347. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
  2348. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
  2349. target[0] = target[1] = 52;
  2350. a1[0] = a1[1] = -424;
  2351. b0[0] = b0[1] = 5612;
  2352. b1[0] = b1[1] = -1393;
  2353. }
  2354. }
  2355. /* target[0] = target[1] = nphy->tx_power_max; */
  2356. if (dev->phy.rev >= 3) {
  2357. if (sprom->fem.ghz2.tssipos)
  2358. b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
  2359. if (dev->phy.rev >= 7) {
  2360. for (c = 0; c < 2; c++) {
  2361. r = c ? 0x190 : 0x170;
  2362. if (b43_nphy_ipa(dev))
  2363. b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
  2364. }
  2365. } else {
  2366. if (b43_nphy_ipa(dev)) {
  2367. tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  2368. b43_radio_write(dev,
  2369. B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
  2370. b43_radio_write(dev,
  2371. B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
  2372. } else {
  2373. b43_radio_write(dev,
  2374. B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
  2375. b43_radio_write(dev,
  2376. B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
  2377. }
  2378. }
  2379. }
  2380. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2381. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2382. b43_read32(dev, B43_MMIO_MACCTL);
  2383. udelay(1);
  2384. }
  2385. if (dev->phy.rev >= 7) {
  2386. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2387. ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
  2388. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2389. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
  2390. } else {
  2391. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2392. ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
  2393. if (dev->phy.rev > 1)
  2394. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2395. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
  2396. }
  2397. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2398. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2399. b43_phy_write(dev, B43_NPHY_TXPCTL_N,
  2400. 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
  2401. 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
  2402. b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
  2403. idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
  2404. idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
  2405. B43_NPHY_TXPCTL_ITSSI_BINF);
  2406. b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
  2407. target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
  2408. target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
  2409. for (c = 0; c < 2; c++) {
  2410. for (i = 0; i < 64; i++) {
  2411. num = 8 * (16 * b0[c] + b1[c] * i);
  2412. den = 32768 + a1[c] * i;
  2413. pwr = max((4 * num + den / 2) / den, -8);
  2414. if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
  2415. pwr = max(pwr, target[c] + 1);
  2416. regval[i] = pwr;
  2417. }
  2418. b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
  2419. }
  2420. b43_nphy_tx_prepare_adjusted_power_table(dev);
  2421. /*
  2422. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
  2423. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
  2424. */
  2425. if (nphy->hang_avoid)
  2426. b43_nphy_stay_in_carrier_search(dev, false);
  2427. }
  2428. static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
  2429. {
  2430. struct b43_phy *phy = &dev->phy;
  2431. const u32 *table = NULL;
  2432. u32 rfpwr_offset;
  2433. u8 pga_gain;
  2434. int i;
  2435. table = b43_nphy_get_tx_gain_table(dev);
  2436. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
  2437. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
  2438. if (phy->rev >= 3) {
  2439. #if 0
  2440. nphy->gmval = (table[0] >> 16) & 0x7000;
  2441. #endif
  2442. for (i = 0; i < 128; i++) {
  2443. pga_gain = (table[i] >> 24) & 0xF;
  2444. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2445. rfpwr_offset =
  2446. b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
  2447. else
  2448. rfpwr_offset =
  2449. 0; /* FIXME */
  2450. b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
  2451. rfpwr_offset);
  2452. b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
  2453. rfpwr_offset);
  2454. }
  2455. }
  2456. }
  2457. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  2458. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  2459. {
  2460. struct b43_phy_n *nphy = dev->phy.n;
  2461. enum ieee80211_band band;
  2462. u16 tmp;
  2463. if (!enable) {
  2464. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  2465. B43_NPHY_RFCTL_INTC1);
  2466. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  2467. B43_NPHY_RFCTL_INTC2);
  2468. band = b43_current_band(dev->wl);
  2469. if (dev->phy.rev >= 3) {
  2470. if (band == IEEE80211_BAND_5GHZ)
  2471. tmp = 0x600;
  2472. else
  2473. tmp = 0x480;
  2474. } else {
  2475. if (band == IEEE80211_BAND_5GHZ)
  2476. tmp = 0x180;
  2477. else
  2478. tmp = 0x120;
  2479. }
  2480. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2481. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2482. } else {
  2483. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  2484. nphy->rfctrl_intc1_save);
  2485. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  2486. nphy->rfctrl_intc2_save);
  2487. }
  2488. }
  2489. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  2490. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  2491. {
  2492. u16 tmp;
  2493. if (dev->phy.rev >= 3) {
  2494. if (b43_nphy_ipa(dev)) {
  2495. tmp = 4;
  2496. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  2497. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2498. }
  2499. tmp = 1;
  2500. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  2501. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2502. }
  2503. }
  2504. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  2505. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  2506. u16 samps, u8 time, bool wait)
  2507. {
  2508. int i;
  2509. u16 tmp;
  2510. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  2511. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  2512. if (wait)
  2513. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  2514. else
  2515. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  2516. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  2517. for (i = 1000; i; i--) {
  2518. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  2519. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  2520. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  2521. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  2522. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  2523. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  2524. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  2525. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  2526. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  2527. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  2528. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  2529. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  2530. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  2531. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  2532. return;
  2533. }
  2534. udelay(10);
  2535. }
  2536. memset(est, 0, sizeof(*est));
  2537. }
  2538. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  2539. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  2540. struct b43_phy_n_iq_comp *pcomp)
  2541. {
  2542. if (write) {
  2543. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  2544. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  2545. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  2546. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  2547. } else {
  2548. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  2549. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  2550. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  2551. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  2552. }
  2553. }
  2554. #if 0
  2555. /* Ready but not used anywhere */
  2556. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  2557. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  2558. {
  2559. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2560. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  2561. if (core == 0) {
  2562. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  2563. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2564. } else {
  2565. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2566. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2567. }
  2568. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  2569. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  2570. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  2571. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  2572. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  2573. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  2574. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2575. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2576. }
  2577. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  2578. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  2579. {
  2580. u8 rxval, txval;
  2581. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2582. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  2583. if (core == 0) {
  2584. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2585. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2586. } else {
  2587. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2588. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2589. }
  2590. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2591. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2592. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  2593. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  2594. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  2595. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  2596. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2597. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2598. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2599. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2600. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2601. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  2602. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  2603. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  2604. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  2605. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  2606. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  2607. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  2608. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  2609. if (core == 0) {
  2610. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  2611. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  2612. } else {
  2613. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  2614. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  2615. }
  2616. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  2617. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  2618. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  2619. if (core == 0) {
  2620. rxval = 1;
  2621. txval = 8;
  2622. } else {
  2623. rxval = 4;
  2624. txval = 2;
  2625. }
  2626. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  2627. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  2628. }
  2629. #endif
  2630. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  2631. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  2632. {
  2633. int i;
  2634. s32 iq;
  2635. u32 ii;
  2636. u32 qq;
  2637. int iq_nbits, qq_nbits;
  2638. int arsh, brsh;
  2639. u16 tmp, a, b;
  2640. struct nphy_iq_est est;
  2641. struct b43_phy_n_iq_comp old;
  2642. struct b43_phy_n_iq_comp new = { };
  2643. bool error = false;
  2644. if (mask == 0)
  2645. return;
  2646. b43_nphy_rx_iq_coeffs(dev, false, &old);
  2647. b43_nphy_rx_iq_coeffs(dev, true, &new);
  2648. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  2649. new = old;
  2650. for (i = 0; i < 2; i++) {
  2651. if (i == 0 && (mask & 1)) {
  2652. iq = est.iq0_prod;
  2653. ii = est.i0_pwr;
  2654. qq = est.q0_pwr;
  2655. } else if (i == 1 && (mask & 2)) {
  2656. iq = est.iq1_prod;
  2657. ii = est.i1_pwr;
  2658. qq = est.q1_pwr;
  2659. } else {
  2660. continue;
  2661. }
  2662. if (ii + qq < 2) {
  2663. error = true;
  2664. break;
  2665. }
  2666. iq_nbits = fls(abs(iq));
  2667. qq_nbits = fls(qq);
  2668. arsh = iq_nbits - 20;
  2669. if (arsh >= 0) {
  2670. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  2671. tmp = ii >> arsh;
  2672. } else {
  2673. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  2674. tmp = ii << -arsh;
  2675. }
  2676. if (tmp == 0) {
  2677. error = true;
  2678. break;
  2679. }
  2680. a /= tmp;
  2681. brsh = qq_nbits - 11;
  2682. if (brsh >= 0) {
  2683. b = (qq << (31 - qq_nbits));
  2684. tmp = ii >> brsh;
  2685. } else {
  2686. b = (qq << (31 - qq_nbits));
  2687. tmp = ii << -brsh;
  2688. }
  2689. if (tmp == 0) {
  2690. error = true;
  2691. break;
  2692. }
  2693. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  2694. if (i == 0 && (mask & 0x1)) {
  2695. if (dev->phy.rev >= 3) {
  2696. new.a0 = a & 0x3FF;
  2697. new.b0 = b & 0x3FF;
  2698. } else {
  2699. new.a0 = b & 0x3FF;
  2700. new.b0 = a & 0x3FF;
  2701. }
  2702. } else if (i == 1 && (mask & 0x2)) {
  2703. if (dev->phy.rev >= 3) {
  2704. new.a1 = a & 0x3FF;
  2705. new.b1 = b & 0x3FF;
  2706. } else {
  2707. new.a1 = b & 0x3FF;
  2708. new.b1 = a & 0x3FF;
  2709. }
  2710. }
  2711. }
  2712. if (error)
  2713. new = old;
  2714. b43_nphy_rx_iq_coeffs(dev, true, &new);
  2715. }
  2716. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  2717. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  2718. {
  2719. u16 array[4];
  2720. b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
  2721. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  2722. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  2723. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  2724. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  2725. }
  2726. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  2727. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  2728. {
  2729. struct b43_phy_n *nphy = dev->phy.n;
  2730. u8 channel = dev->phy.channel;
  2731. int tone[2] = { 57, 58 };
  2732. u32 noise[2] = { 0x3FF, 0x3FF };
  2733. B43_WARN_ON(dev->phy.rev < 3);
  2734. if (nphy->hang_avoid)
  2735. b43_nphy_stay_in_carrier_search(dev, 1);
  2736. if (nphy->gband_spurwar_en) {
  2737. /* TODO: N PHY Adjust Analog Pfbw (7) */
  2738. if (channel == 11 && dev->phy.is_40mhz)
  2739. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  2740. else
  2741. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  2742. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  2743. }
  2744. if (nphy->aband_spurwar_en) {
  2745. if (channel == 54) {
  2746. tone[0] = 0x20;
  2747. noise[0] = 0x25F;
  2748. } else if (channel == 38 || channel == 102 || channel == 118) {
  2749. if (0 /* FIXME */) {
  2750. tone[0] = 0x20;
  2751. noise[0] = 0x21F;
  2752. } else {
  2753. tone[0] = 0;
  2754. noise[0] = 0;
  2755. }
  2756. } else if (channel == 134) {
  2757. tone[0] = 0x20;
  2758. noise[0] = 0x21F;
  2759. } else if (channel == 151) {
  2760. tone[0] = 0x10;
  2761. noise[0] = 0x23F;
  2762. } else if (channel == 153 || channel == 161) {
  2763. tone[0] = 0x30;
  2764. noise[0] = 0x23F;
  2765. } else {
  2766. tone[0] = 0;
  2767. noise[0] = 0;
  2768. }
  2769. if (!tone[0] && !noise[0])
  2770. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  2771. else
  2772. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  2773. }
  2774. if (nphy->hang_avoid)
  2775. b43_nphy_stay_in_carrier_search(dev, 0);
  2776. }
  2777. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  2778. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  2779. {
  2780. struct b43_phy_n *nphy = dev->phy.n;
  2781. int i, j;
  2782. u32 tmp;
  2783. u32 cur_real, cur_imag, real_part, imag_part;
  2784. u16 buffer[7];
  2785. if (nphy->hang_avoid)
  2786. b43_nphy_stay_in_carrier_search(dev, true);
  2787. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  2788. for (i = 0; i < 2; i++) {
  2789. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  2790. (buffer[i * 2 + 1] & 0x3FF);
  2791. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  2792. (((i + 26) << 10) | 320));
  2793. for (j = 0; j < 128; j++) {
  2794. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  2795. ((tmp >> 16) & 0xFFFF));
  2796. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  2797. (tmp & 0xFFFF));
  2798. }
  2799. }
  2800. for (i = 0; i < 2; i++) {
  2801. tmp = buffer[5 + i];
  2802. real_part = (tmp >> 8) & 0xFF;
  2803. imag_part = (tmp & 0xFF);
  2804. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  2805. (((i + 26) << 10) | 448));
  2806. if (dev->phy.rev >= 3) {
  2807. cur_real = real_part;
  2808. cur_imag = imag_part;
  2809. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  2810. }
  2811. for (j = 0; j < 128; j++) {
  2812. if (dev->phy.rev < 3) {
  2813. cur_real = (real_part * loscale[j] + 128) >> 8;
  2814. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  2815. tmp = ((cur_real & 0xFF) << 8) |
  2816. (cur_imag & 0xFF);
  2817. }
  2818. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  2819. ((tmp >> 16) & 0xFFFF));
  2820. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  2821. (tmp & 0xFFFF));
  2822. }
  2823. }
  2824. if (dev->phy.rev >= 3) {
  2825. b43_shm_write16(dev, B43_SHM_SHARED,
  2826. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  2827. b43_shm_write16(dev, B43_SHM_SHARED,
  2828. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  2829. }
  2830. if (nphy->hang_avoid)
  2831. b43_nphy_stay_in_carrier_search(dev, false);
  2832. }
  2833. /*
  2834. * Restore RSSI Calibration
  2835. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  2836. */
  2837. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  2838. {
  2839. struct b43_phy_n *nphy = dev->phy.n;
  2840. u16 *rssical_radio_regs = NULL;
  2841. u16 *rssical_phy_regs = NULL;
  2842. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2843. if (!nphy->rssical_chanspec_2G.center_freq)
  2844. return;
  2845. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  2846. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  2847. } else {
  2848. if (!nphy->rssical_chanspec_5G.center_freq)
  2849. return;
  2850. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  2851. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  2852. }
  2853. /* TODO use some definitions */
  2854. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  2855. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  2856. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  2857. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  2858. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  2859. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  2860. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  2861. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  2862. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  2863. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  2864. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  2865. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  2866. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  2867. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  2868. }
  2869. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  2870. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  2871. {
  2872. struct b43_phy_n *nphy = dev->phy.n;
  2873. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  2874. u16 tmp;
  2875. u8 offset, i;
  2876. if (dev->phy.rev >= 3) {
  2877. for (i = 0; i < 2; i++) {
  2878. tmp = (i == 0) ? 0x2000 : 0x3000;
  2879. offset = i * 11;
  2880. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  2881. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  2882. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  2883. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  2884. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  2885. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  2886. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  2887. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  2888. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  2889. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  2890. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  2891. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2892. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  2893. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  2894. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  2895. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  2896. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  2897. if (nphy->ipa5g_on) {
  2898. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  2899. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  2900. } else {
  2901. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  2902. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  2903. }
  2904. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  2905. } else {
  2906. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  2907. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  2908. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  2909. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  2910. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  2911. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  2912. if (nphy->ipa2g_on) {
  2913. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  2914. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  2915. (dev->phy.rev < 5) ? 0x11 : 0x01);
  2916. } else {
  2917. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  2918. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  2919. }
  2920. }
  2921. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  2922. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  2923. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  2924. }
  2925. } else {
  2926. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  2927. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  2928. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  2929. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  2930. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  2931. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  2932. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  2933. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  2934. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  2935. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  2936. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  2937. B43_NPHY_BANDCTL_5GHZ)) {
  2938. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  2939. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  2940. } else {
  2941. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  2942. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  2943. }
  2944. if (dev->phy.rev < 2) {
  2945. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  2946. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  2947. } else {
  2948. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  2949. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  2950. }
  2951. }
  2952. }
  2953. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  2954. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  2955. {
  2956. struct b43_phy_n *nphy = dev->phy.n;
  2957. int i;
  2958. u16 scale, entry;
  2959. u16 tmp = nphy->txcal_bbmult;
  2960. if (core == 0)
  2961. tmp >>= 8;
  2962. tmp &= 0xff;
  2963. for (i = 0; i < 18; i++) {
  2964. scale = (ladder_lo[i].percent * tmp) / 100;
  2965. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  2966. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  2967. scale = (ladder_iq[i].percent * tmp) / 100;
  2968. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  2969. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  2970. }
  2971. }
  2972. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  2973. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  2974. {
  2975. int i;
  2976. for (i = 0; i < 15; i++)
  2977. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  2978. tbl_tx_filter_coef_rev4[2][i]);
  2979. }
  2980. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  2981. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  2982. {
  2983. int i, j;
  2984. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  2985. static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
  2986. for (i = 0; i < 3; i++)
  2987. for (j = 0; j < 15; j++)
  2988. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  2989. tbl_tx_filter_coef_rev4[i][j]);
  2990. if (dev->phy.is_40mhz) {
  2991. for (j = 0; j < 15; j++)
  2992. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2993. tbl_tx_filter_coef_rev4[3][j]);
  2994. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2995. for (j = 0; j < 15; j++)
  2996. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2997. tbl_tx_filter_coef_rev4[5][j]);
  2998. }
  2999. if (dev->phy.channel == 14)
  3000. for (j = 0; j < 15; j++)
  3001. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3002. tbl_tx_filter_coef_rev4[6][j]);
  3003. }
  3004. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  3005. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  3006. {
  3007. struct b43_phy_n *nphy = dev->phy.n;
  3008. u16 curr_gain[2];
  3009. struct nphy_txgains target;
  3010. const u32 *table = NULL;
  3011. if (!nphy->txpwrctrl) {
  3012. int i;
  3013. if (nphy->hang_avoid)
  3014. b43_nphy_stay_in_carrier_search(dev, true);
  3015. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  3016. if (nphy->hang_avoid)
  3017. b43_nphy_stay_in_carrier_search(dev, false);
  3018. for (i = 0; i < 2; ++i) {
  3019. if (dev->phy.rev >= 3) {
  3020. target.ipa[i] = curr_gain[i] & 0x000F;
  3021. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  3022. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  3023. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  3024. } else {
  3025. target.ipa[i] = curr_gain[i] & 0x0003;
  3026. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  3027. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  3028. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  3029. }
  3030. }
  3031. } else {
  3032. int i;
  3033. u16 index[2];
  3034. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  3035. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3036. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3037. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  3038. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3039. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3040. for (i = 0; i < 2; ++i) {
  3041. table = b43_nphy_get_tx_gain_table(dev);
  3042. if (dev->phy.rev >= 3) {
  3043. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  3044. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  3045. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  3046. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  3047. } else {
  3048. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  3049. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  3050. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  3051. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  3052. }
  3053. }
  3054. }
  3055. return target;
  3056. }
  3057. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  3058. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  3059. {
  3060. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3061. if (dev->phy.rev >= 3) {
  3062. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  3063. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  3064. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  3065. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  3066. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  3067. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  3068. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  3069. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  3070. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  3071. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  3072. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  3073. b43_nphy_reset_cca(dev);
  3074. } else {
  3075. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  3076. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  3077. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  3078. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  3079. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  3080. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  3081. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  3082. }
  3083. }
  3084. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  3085. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  3086. {
  3087. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3088. u16 tmp;
  3089. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  3090. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  3091. if (dev->phy.rev >= 3) {
  3092. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  3093. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  3094. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  3095. regs[2] = tmp;
  3096. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  3097. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3098. regs[3] = tmp;
  3099. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  3100. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  3101. b43_phy_mask(dev, B43_NPHY_BBCFG,
  3102. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  3103. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  3104. regs[5] = tmp;
  3105. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  3106. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  3107. regs[6] = tmp;
  3108. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  3109. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3110. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3111. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  3112. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  3113. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  3114. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  3115. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  3116. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  3117. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  3118. } else {
  3119. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  3120. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  3121. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3122. regs[2] = tmp;
  3123. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  3124. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  3125. regs[3] = tmp;
  3126. tmp |= 0x2000;
  3127. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  3128. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  3129. regs[4] = tmp;
  3130. tmp |= 0x2000;
  3131. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  3132. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3133. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3134. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  3135. tmp = 0x0180;
  3136. else
  3137. tmp = 0x0120;
  3138. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  3139. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  3140. }
  3141. }
  3142. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  3143. static void b43_nphy_save_cal(struct b43_wldev *dev)
  3144. {
  3145. struct b43_phy_n *nphy = dev->phy.n;
  3146. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3147. u16 *txcal_radio_regs = NULL;
  3148. struct b43_chanspec *iqcal_chanspec;
  3149. u16 *table = NULL;
  3150. if (nphy->hang_avoid)
  3151. b43_nphy_stay_in_carrier_search(dev, 1);
  3152. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3153. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3154. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3155. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  3156. table = nphy->cal_cache.txcal_coeffs_2G;
  3157. } else {
  3158. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3159. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3160. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  3161. table = nphy->cal_cache.txcal_coeffs_5G;
  3162. }
  3163. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  3164. /* TODO use some definitions */
  3165. if (dev->phy.rev >= 3) {
  3166. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  3167. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  3168. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  3169. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  3170. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  3171. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  3172. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  3173. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  3174. } else {
  3175. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  3176. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  3177. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  3178. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  3179. }
  3180. iqcal_chanspec->center_freq = dev->phy.channel_freq;
  3181. iqcal_chanspec->channel_type = dev->phy.channel_type;
  3182. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
  3183. if (nphy->hang_avoid)
  3184. b43_nphy_stay_in_carrier_search(dev, 0);
  3185. }
  3186. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  3187. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  3188. {
  3189. struct b43_phy_n *nphy = dev->phy.n;
  3190. u16 coef[4];
  3191. u16 *loft = NULL;
  3192. u16 *table = NULL;
  3193. int i;
  3194. u16 *txcal_radio_regs = NULL;
  3195. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3196. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3197. if (!nphy->iqcal_chanspec_2G.center_freq)
  3198. return;
  3199. table = nphy->cal_cache.txcal_coeffs_2G;
  3200. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  3201. } else {
  3202. if (!nphy->iqcal_chanspec_5G.center_freq)
  3203. return;
  3204. table = nphy->cal_cache.txcal_coeffs_5G;
  3205. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  3206. }
  3207. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  3208. for (i = 0; i < 4; i++) {
  3209. if (dev->phy.rev >= 3)
  3210. table[i] = coef[i];
  3211. else
  3212. coef[i] = 0;
  3213. }
  3214. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  3215. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  3216. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  3217. if (dev->phy.rev < 2)
  3218. b43_nphy_tx_iq_workaround(dev);
  3219. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3220. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3221. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3222. } else {
  3223. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3224. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3225. }
  3226. /* TODO use some definitions */
  3227. if (dev->phy.rev >= 3) {
  3228. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  3229. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  3230. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  3231. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  3232. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  3233. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  3234. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  3235. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  3236. } else {
  3237. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  3238. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  3239. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  3240. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  3241. }
  3242. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  3243. }
  3244. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  3245. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  3246. struct nphy_txgains target,
  3247. bool full, bool mphase)
  3248. {
  3249. struct b43_phy_n *nphy = dev->phy.n;
  3250. int i;
  3251. int error = 0;
  3252. int freq;
  3253. bool avoid = false;
  3254. u8 length;
  3255. u16 tmp, core, type, count, max, numb, last = 0, cmd;
  3256. const u16 *table;
  3257. bool phy6or5x;
  3258. u16 buffer[11];
  3259. u16 diq_start = 0;
  3260. u16 save[2];
  3261. u16 gain[2];
  3262. struct nphy_iqcal_params params[2];
  3263. bool updated[2] = { };
  3264. b43_nphy_stay_in_carrier_search(dev, true);
  3265. if (dev->phy.rev >= 4) {
  3266. avoid = nphy->hang_avoid;
  3267. nphy->hang_avoid = false;
  3268. }
  3269. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3270. for (i = 0; i < 2; i++) {
  3271. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  3272. gain[i] = params[i].cal_gain;
  3273. }
  3274. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  3275. b43_nphy_tx_cal_radio_setup(dev);
  3276. b43_nphy_tx_cal_phy_setup(dev);
  3277. phy6or5x = dev->phy.rev >= 6 ||
  3278. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  3279. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  3280. if (phy6or5x) {
  3281. if (dev->phy.is_40mhz) {
  3282. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3283. tbl_tx_iqlo_cal_loft_ladder_40);
  3284. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3285. tbl_tx_iqlo_cal_iqimb_ladder_40);
  3286. } else {
  3287. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3288. tbl_tx_iqlo_cal_loft_ladder_20);
  3289. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3290. tbl_tx_iqlo_cal_iqimb_ladder_20);
  3291. }
  3292. }
  3293. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  3294. if (!dev->phy.is_40mhz)
  3295. freq = 2500;
  3296. else
  3297. freq = 5000;
  3298. if (nphy->mphase_cal_phase_id > 2)
  3299. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  3300. 0xFFFF, 0, true, false);
  3301. else
  3302. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  3303. if (error == 0) {
  3304. if (nphy->mphase_cal_phase_id > 2) {
  3305. table = nphy->mphase_txcal_bestcoeffs;
  3306. length = 11;
  3307. if (dev->phy.rev < 3)
  3308. length -= 2;
  3309. } else {
  3310. if (!full && nphy->txiqlocal_coeffsvalid) {
  3311. table = nphy->txiqlocal_bestc;
  3312. length = 11;
  3313. if (dev->phy.rev < 3)
  3314. length -= 2;
  3315. } else {
  3316. full = true;
  3317. if (dev->phy.rev >= 3) {
  3318. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  3319. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  3320. } else {
  3321. table = tbl_tx_iqlo_cal_startcoefs;
  3322. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  3323. }
  3324. }
  3325. }
  3326. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  3327. if (full) {
  3328. if (dev->phy.rev >= 3)
  3329. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  3330. else
  3331. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  3332. } else {
  3333. if (dev->phy.rev >= 3)
  3334. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  3335. else
  3336. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  3337. }
  3338. if (mphase) {
  3339. count = nphy->mphase_txcal_cmdidx;
  3340. numb = min(max,
  3341. (u16)(count + nphy->mphase_txcal_numcmds));
  3342. } else {
  3343. count = 0;
  3344. numb = max;
  3345. }
  3346. for (; count < numb; count++) {
  3347. if (full) {
  3348. if (dev->phy.rev >= 3)
  3349. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  3350. else
  3351. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  3352. } else {
  3353. if (dev->phy.rev >= 3)
  3354. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  3355. else
  3356. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  3357. }
  3358. core = (cmd & 0x3000) >> 12;
  3359. type = (cmd & 0x0F00) >> 8;
  3360. if (phy6or5x && updated[core] == 0) {
  3361. b43_nphy_update_tx_cal_ladder(dev, core);
  3362. updated[core] = true;
  3363. }
  3364. tmp = (params[core].ncorr[type] << 8) | 0x66;
  3365. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  3366. if (type == 1 || type == 3 || type == 4) {
  3367. buffer[0] = b43_ntab_read(dev,
  3368. B43_NTAB16(15, 69 + core));
  3369. diq_start = buffer[0];
  3370. buffer[0] = 0;
  3371. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  3372. 0);
  3373. }
  3374. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  3375. for (i = 0; i < 2000; i++) {
  3376. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  3377. if (tmp & 0xC000)
  3378. break;
  3379. udelay(10);
  3380. }
  3381. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3382. buffer);
  3383. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  3384. buffer);
  3385. if (type == 1 || type == 3 || type == 4)
  3386. buffer[0] = diq_start;
  3387. }
  3388. if (mphase)
  3389. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  3390. last = (dev->phy.rev < 3) ? 6 : 7;
  3391. if (!mphase || nphy->mphase_cal_phase_id == last) {
  3392. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  3393. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  3394. if (dev->phy.rev < 3) {
  3395. buffer[0] = 0;
  3396. buffer[1] = 0;
  3397. buffer[2] = 0;
  3398. buffer[3] = 0;
  3399. }
  3400. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3401. buffer);
  3402. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  3403. buffer);
  3404. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3405. buffer);
  3406. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3407. buffer);
  3408. length = 11;
  3409. if (dev->phy.rev < 3)
  3410. length -= 2;
  3411. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3412. nphy->txiqlocal_bestc);
  3413. nphy->txiqlocal_coeffsvalid = true;
  3414. nphy->txiqlocal_chanspec.center_freq =
  3415. dev->phy.channel_freq;
  3416. nphy->txiqlocal_chanspec.channel_type =
  3417. dev->phy.channel_type;
  3418. } else {
  3419. length = 11;
  3420. if (dev->phy.rev < 3)
  3421. length -= 2;
  3422. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3423. nphy->mphase_txcal_bestcoeffs);
  3424. }
  3425. b43_nphy_stop_playback(dev);
  3426. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  3427. }
  3428. b43_nphy_tx_cal_phy_cleanup(dev);
  3429. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3430. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  3431. b43_nphy_tx_iq_workaround(dev);
  3432. if (dev->phy.rev >= 4)
  3433. nphy->hang_avoid = avoid;
  3434. b43_nphy_stay_in_carrier_search(dev, false);
  3435. return error;
  3436. }
  3437. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  3438. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  3439. {
  3440. struct b43_phy_n *nphy = dev->phy.n;
  3441. u8 i;
  3442. u16 buffer[7];
  3443. bool equal = true;
  3444. if (!nphy->txiqlocal_coeffsvalid ||
  3445. nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
  3446. nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
  3447. return;
  3448. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  3449. for (i = 0; i < 4; i++) {
  3450. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  3451. equal = false;
  3452. break;
  3453. }
  3454. }
  3455. if (!equal) {
  3456. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  3457. nphy->txiqlocal_bestc);
  3458. for (i = 0; i < 4; i++)
  3459. buffer[i] = 0;
  3460. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3461. buffer);
  3462. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3463. &nphy->txiqlocal_bestc[5]);
  3464. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3465. &nphy->txiqlocal_bestc[5]);
  3466. }
  3467. }
  3468. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  3469. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  3470. struct nphy_txgains target, u8 type, bool debug)
  3471. {
  3472. struct b43_phy_n *nphy = dev->phy.n;
  3473. int i, j, index;
  3474. u8 rfctl[2];
  3475. u8 afectl_core;
  3476. u16 tmp[6];
  3477. u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
  3478. u32 real, imag;
  3479. enum ieee80211_band band;
  3480. u8 use;
  3481. u16 cur_hpf;
  3482. u16 lna[3] = { 3, 3, 1 };
  3483. u16 hpf1[3] = { 7, 2, 0 };
  3484. u16 hpf2[3] = { 2, 0, 0 };
  3485. u32 power[3] = { };
  3486. u16 gain_save[2];
  3487. u16 cal_gain[2];
  3488. struct nphy_iqcal_params cal_params[2];
  3489. struct nphy_iq_est est;
  3490. int ret = 0;
  3491. bool playtone = true;
  3492. int desired = 13;
  3493. b43_nphy_stay_in_carrier_search(dev, 1);
  3494. if (dev->phy.rev < 2)
  3495. b43_nphy_reapply_tx_cal_coeffs(dev);
  3496. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  3497. for (i = 0; i < 2; i++) {
  3498. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  3499. cal_gain[i] = cal_params[i].cal_gain;
  3500. }
  3501. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  3502. for (i = 0; i < 2; i++) {
  3503. if (i == 0) {
  3504. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  3505. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  3506. afectl_core = B43_NPHY_AFECTL_C1;
  3507. } else {
  3508. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  3509. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  3510. afectl_core = B43_NPHY_AFECTL_C2;
  3511. }
  3512. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  3513. tmp[2] = b43_phy_read(dev, afectl_core);
  3514. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3515. tmp[4] = b43_phy_read(dev, rfctl[0]);
  3516. tmp[5] = b43_phy_read(dev, rfctl[1]);
  3517. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  3518. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  3519. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  3520. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  3521. (1 - i));
  3522. b43_phy_set(dev, afectl_core, 0x0006);
  3523. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  3524. band = b43_current_band(dev->wl);
  3525. if (nphy->rxcalparams & 0xFF000000) {
  3526. if (band == IEEE80211_BAND_5GHZ)
  3527. b43_phy_write(dev, rfctl[0], 0x140);
  3528. else
  3529. b43_phy_write(dev, rfctl[0], 0x110);
  3530. } else {
  3531. if (band == IEEE80211_BAND_5GHZ)
  3532. b43_phy_write(dev, rfctl[0], 0x180);
  3533. else
  3534. b43_phy_write(dev, rfctl[0], 0x120);
  3535. }
  3536. if (band == IEEE80211_BAND_5GHZ)
  3537. b43_phy_write(dev, rfctl[1], 0x148);
  3538. else
  3539. b43_phy_write(dev, rfctl[1], 0x114);
  3540. if (nphy->rxcalparams & 0x10000) {
  3541. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  3542. (i + 1));
  3543. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  3544. (2 - i));
  3545. }
  3546. for (j = 0; j < 4; j++) {
  3547. if (j < 3) {
  3548. cur_lna = lna[j];
  3549. cur_hpf1 = hpf1[j];
  3550. cur_hpf2 = hpf2[j];
  3551. } else {
  3552. if (power[1] > 10000) {
  3553. use = 1;
  3554. cur_hpf = cur_hpf1;
  3555. index = 2;
  3556. } else {
  3557. if (power[0] > 10000) {
  3558. use = 1;
  3559. cur_hpf = cur_hpf1;
  3560. index = 1;
  3561. } else {
  3562. index = 0;
  3563. use = 2;
  3564. cur_hpf = cur_hpf2;
  3565. }
  3566. }
  3567. cur_lna = lna[index];
  3568. cur_hpf1 = hpf1[index];
  3569. cur_hpf2 = hpf2[index];
  3570. cur_hpf += desired - hweight32(power[index]);
  3571. cur_hpf = clamp_val(cur_hpf, 0, 10);
  3572. if (use == 1)
  3573. cur_hpf1 = cur_hpf;
  3574. else
  3575. cur_hpf2 = cur_hpf;
  3576. }
  3577. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  3578. (cur_lna << 2));
  3579. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  3580. false);
  3581. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3582. b43_nphy_stop_playback(dev);
  3583. if (playtone) {
  3584. ret = b43_nphy_tx_tone(dev, 4000,
  3585. (nphy->rxcalparams & 0xFFFF),
  3586. false, false);
  3587. playtone = false;
  3588. } else {
  3589. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  3590. false, false);
  3591. }
  3592. if (ret == 0) {
  3593. if (j < 3) {
  3594. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  3595. false);
  3596. if (i == 0) {
  3597. real = est.i0_pwr;
  3598. imag = est.q0_pwr;
  3599. } else {
  3600. real = est.i1_pwr;
  3601. imag = est.q1_pwr;
  3602. }
  3603. power[i] = ((real + imag) / 1024) + 1;
  3604. } else {
  3605. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  3606. }
  3607. b43_nphy_stop_playback(dev);
  3608. }
  3609. if (ret != 0)
  3610. break;
  3611. }
  3612. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  3613. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  3614. b43_phy_write(dev, rfctl[1], tmp[5]);
  3615. b43_phy_write(dev, rfctl[0], tmp[4]);
  3616. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  3617. b43_phy_write(dev, afectl_core, tmp[2]);
  3618. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  3619. if (ret != 0)
  3620. break;
  3621. }
  3622. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  3623. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3624. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  3625. b43_nphy_stay_in_carrier_search(dev, 0);
  3626. return ret;
  3627. }
  3628. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  3629. struct nphy_txgains target, u8 type, bool debug)
  3630. {
  3631. return -1;
  3632. }
  3633. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  3634. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  3635. struct nphy_txgains target, u8 type, bool debug)
  3636. {
  3637. if (dev->phy.rev >= 3)
  3638. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  3639. else
  3640. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  3641. }
  3642. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
  3643. static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
  3644. {
  3645. struct b43_phy *phy = &dev->phy;
  3646. struct b43_phy_n *nphy = phy->n;
  3647. /* u16 buf[16]; it's rev3+ */
  3648. nphy->phyrxchain = mask;
  3649. if (0 /* FIXME clk */)
  3650. return;
  3651. b43_mac_suspend(dev);
  3652. if (nphy->hang_avoid)
  3653. b43_nphy_stay_in_carrier_search(dev, true);
  3654. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  3655. (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
  3656. if ((mask & 0x3) != 0x3) {
  3657. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
  3658. if (dev->phy.rev >= 3) {
  3659. /* TODO */
  3660. }
  3661. } else {
  3662. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
  3663. if (dev->phy.rev >= 3) {
  3664. /* TODO */
  3665. }
  3666. }
  3667. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3668. if (nphy->hang_avoid)
  3669. b43_nphy_stay_in_carrier_search(dev, false);
  3670. b43_mac_enable(dev);
  3671. }
  3672. /**************************************************
  3673. * N-PHY init
  3674. **************************************************/
  3675. /*
  3676. * Upload the N-PHY tables.
  3677. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
  3678. */
  3679. static void b43_nphy_tables_init(struct b43_wldev *dev)
  3680. {
  3681. if (dev->phy.rev < 3)
  3682. b43_nphy_rev0_1_2_tables_init(dev);
  3683. else
  3684. b43_nphy_rev3plus_tables_init(dev);
  3685. }
  3686. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  3687. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  3688. {
  3689. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  3690. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  3691. if (preamble == 1)
  3692. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  3693. else
  3694. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  3695. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  3696. }
  3697. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
  3698. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  3699. {
  3700. unsigned int i;
  3701. u16 val;
  3702. val = 0x1E1F;
  3703. for (i = 0; i < 16; i++) {
  3704. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  3705. val -= 0x202;
  3706. }
  3707. val = 0x3E3F;
  3708. for (i = 0; i < 16; i++) {
  3709. b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
  3710. val -= 0x202;
  3711. }
  3712. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  3713. }
  3714. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  3715. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  3716. {
  3717. if (dev->phy.rev >= 3) {
  3718. if (!init)
  3719. return;
  3720. if (0 /* FIXME */) {
  3721. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  3722. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  3723. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  3724. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  3725. }
  3726. } else {
  3727. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  3728. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  3729. switch (dev->dev->bus_type) {
  3730. #ifdef CONFIG_B43_BCMA
  3731. case B43_BUS_BCMA:
  3732. bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
  3733. 0xFC00, 0xFC00);
  3734. break;
  3735. #endif
  3736. #ifdef CONFIG_B43_SSB
  3737. case B43_BUS_SSB:
  3738. ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
  3739. 0xFC00, 0xFC00);
  3740. break;
  3741. #endif
  3742. }
  3743. b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
  3744. b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
  3745. b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
  3746. 0);
  3747. if (init) {
  3748. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  3749. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  3750. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  3751. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  3752. }
  3753. }
  3754. }
  3755. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
  3756. int b43_phy_initn(struct b43_wldev *dev)
  3757. {
  3758. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  3759. struct b43_phy *phy = &dev->phy;
  3760. struct b43_phy_n *nphy = phy->n;
  3761. u8 tx_pwr_state;
  3762. struct nphy_txgains target;
  3763. u16 tmp;
  3764. enum ieee80211_band tmp2;
  3765. bool do_rssi_cal;
  3766. u16 clip[2];
  3767. bool do_cal = false;
  3768. if ((dev->phy.rev >= 3) &&
  3769. (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
  3770. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  3771. switch (dev->dev->bus_type) {
  3772. #ifdef CONFIG_B43_BCMA
  3773. case B43_BUS_BCMA:
  3774. bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
  3775. BCMA_CC_CHIPCTL, 0x40);
  3776. break;
  3777. #endif
  3778. #ifdef CONFIG_B43_SSB
  3779. case B43_BUS_SSB:
  3780. chipco_set32(&dev->dev->sdev->bus->chipco,
  3781. SSB_CHIPCO_CHIPCTL, 0x40);
  3782. break;
  3783. #endif
  3784. }
  3785. }
  3786. nphy->deaf_count = 0;
  3787. b43_nphy_tables_init(dev);
  3788. nphy->crsminpwr_adjusted = false;
  3789. nphy->noisevars_adjusted = false;
  3790. /* Clear all overrides */
  3791. if (dev->phy.rev >= 3) {
  3792. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  3793. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  3794. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  3795. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  3796. } else {
  3797. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  3798. }
  3799. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  3800. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  3801. if (dev->phy.rev < 6) {
  3802. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  3803. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  3804. }
  3805. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  3806. ~(B43_NPHY_RFSEQMODE_CAOVER |
  3807. B43_NPHY_RFSEQMODE_TROVER));
  3808. if (dev->phy.rev >= 3)
  3809. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  3810. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  3811. if (dev->phy.rev <= 2) {
  3812. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  3813. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  3814. ~B43_NPHY_BPHY_CTL3_SCALE,
  3815. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  3816. }
  3817. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  3818. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  3819. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  3820. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  3821. dev->dev->board_type == 0x8B))
  3822. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  3823. else
  3824. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  3825. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  3826. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  3827. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  3828. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  3829. b43_nphy_update_txrx_chain(dev);
  3830. if (phy->rev < 2) {
  3831. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  3832. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  3833. }
  3834. tmp2 = b43_current_band(dev->wl);
  3835. if (b43_nphy_ipa(dev)) {
  3836. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  3837. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  3838. nphy->papd_epsilon_offset[0] << 7);
  3839. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  3840. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  3841. nphy->papd_epsilon_offset[1] << 7);
  3842. b43_nphy_int_pa_set_tx_dig_filters(dev);
  3843. } else if (phy->rev >= 5) {
  3844. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  3845. }
  3846. b43_nphy_workarounds(dev);
  3847. /* Reset CCA, in init code it differs a little from standard way */
  3848. b43_phy_force_clock(dev, 1);
  3849. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  3850. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  3851. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  3852. b43_phy_force_clock(dev, 0);
  3853. b43_mac_phy_clock_set(dev, true);
  3854. b43_nphy_pa_override(dev, false);
  3855. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  3856. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3857. b43_nphy_pa_override(dev, true);
  3858. b43_nphy_classifier(dev, 0, 0);
  3859. b43_nphy_read_clip_detection(dev, clip);
  3860. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3861. b43_nphy_bphy_init(dev);
  3862. tx_pwr_state = nphy->txpwrctrl;
  3863. b43_nphy_tx_power_ctrl(dev, false);
  3864. b43_nphy_tx_power_fix(dev);
  3865. b43_nphy_tx_power_ctl_idle_tssi(dev);
  3866. b43_nphy_tx_power_ctl_setup(dev);
  3867. b43_nphy_tx_gain_table_upload(dev);
  3868. if (nphy->phyrxchain != 3)
  3869. b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
  3870. if (nphy->mphase_cal_phase_id > 0)
  3871. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  3872. do_rssi_cal = false;
  3873. if (phy->rev >= 3) {
  3874. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3875. do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
  3876. else
  3877. do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
  3878. if (do_rssi_cal)
  3879. b43_nphy_rssi_cal(dev);
  3880. else
  3881. b43_nphy_restore_rssi_cal(dev);
  3882. } else {
  3883. b43_nphy_rssi_cal(dev);
  3884. }
  3885. if (!((nphy->measure_hold & 0x6) != 0)) {
  3886. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3887. do_cal = !nphy->iqcal_chanspec_2G.center_freq;
  3888. else
  3889. do_cal = !nphy->iqcal_chanspec_5G.center_freq;
  3890. if (nphy->mute)
  3891. do_cal = false;
  3892. if (do_cal) {
  3893. target = b43_nphy_get_tx_gains(dev);
  3894. if (nphy->antsel_type == 2)
  3895. b43_nphy_superswitch_init(dev, true);
  3896. if (nphy->perical != 2) {
  3897. b43_nphy_rssi_cal(dev);
  3898. if (phy->rev >= 3) {
  3899. nphy->cal_orig_pwr_idx[0] =
  3900. nphy->txpwrindex[0].index_internal;
  3901. nphy->cal_orig_pwr_idx[1] =
  3902. nphy->txpwrindex[1].index_internal;
  3903. /* TODO N PHY Pre Calibrate TX Gain */
  3904. target = b43_nphy_get_tx_gains(dev);
  3905. }
  3906. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
  3907. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  3908. b43_nphy_save_cal(dev);
  3909. } else if (nphy->mphase_cal_phase_id == 0)
  3910. ;/* N PHY Periodic Calibration with arg 3 */
  3911. } else {
  3912. b43_nphy_restore_cal(dev);
  3913. }
  3914. }
  3915. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  3916. b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
  3917. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  3918. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  3919. if (phy->rev >= 3 && phy->rev <= 6)
  3920. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  3921. b43_nphy_tx_lp_fbw(dev);
  3922. if (phy->rev >= 3)
  3923. b43_nphy_spur_workaround(dev);
  3924. return 0;
  3925. }
  3926. /**************************************************
  3927. * Channel switching ops.
  3928. **************************************************/
  3929. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  3930. const struct b43_phy_n_sfo_cfg *e)
  3931. {
  3932. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  3933. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  3934. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  3935. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  3936. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  3937. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  3938. }
  3939. /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
  3940. static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
  3941. {
  3942. struct bcma_drv_cc __maybe_unused *cc;
  3943. u32 __maybe_unused pmu_ctl;
  3944. switch (dev->dev->bus_type) {
  3945. #ifdef CONFIG_B43_BCMA
  3946. case B43_BUS_BCMA:
  3947. cc = &dev->dev->bdev->bus->drv_cc;
  3948. if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
  3949. if (avoid) {
  3950. bcma_chipco_pll_write(cc, 0x0, 0x11500010);
  3951. bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
  3952. bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
  3953. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3954. bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
  3955. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3956. } else {
  3957. bcma_chipco_pll_write(cc, 0x0, 0x11100010);
  3958. bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
  3959. bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
  3960. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3961. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  3962. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3963. }
  3964. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  3965. } else if (dev->dev->chip_id == 0x4716) {
  3966. if (avoid) {
  3967. bcma_chipco_pll_write(cc, 0x0, 0x11500060);
  3968. bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
  3969. bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
  3970. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3971. bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
  3972. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3973. } else {
  3974. bcma_chipco_pll_write(cc, 0x0, 0x11100060);
  3975. bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
  3976. bcma_chipco_pll_write(cc, 0x2, 0x03000000);
  3977. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3978. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  3979. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3980. }
  3981. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
  3982. BCMA_CC_PMU_CTL_NOILPONW;
  3983. } else if (dev->dev->chip_id == 0x4322 ||
  3984. dev->dev->chip_id == 0x4340 ||
  3985. dev->dev->chip_id == 0x4341) {
  3986. bcma_chipco_pll_write(cc, 0x0, 0x11100070);
  3987. bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
  3988. bcma_chipco_pll_write(cc, 0x5, 0x88888854);
  3989. if (avoid)
  3990. bcma_chipco_pll_write(cc, 0x2, 0x05201828);
  3991. else
  3992. bcma_chipco_pll_write(cc, 0x2, 0x05001828);
  3993. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  3994. } else {
  3995. return;
  3996. }
  3997. bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
  3998. break;
  3999. #endif
  4000. #ifdef CONFIG_B43_SSB
  4001. case B43_BUS_SSB:
  4002. ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
  4003. avoid);
  4004. break;
  4005. #endif
  4006. }
  4007. }
  4008. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  4009. static void b43_nphy_channel_setup(struct b43_wldev *dev,
  4010. const struct b43_phy_n_sfo_cfg *e,
  4011. struct ieee80211_channel *new_channel)
  4012. {
  4013. struct b43_phy *phy = &dev->phy;
  4014. struct b43_phy_n *nphy = dev->phy.n;
  4015. int ch = new_channel->hw_value;
  4016. u16 old_band_5ghz;
  4017. u16 tmp16;
  4018. old_band_5ghz =
  4019. b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  4020. if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
  4021. tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
  4022. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
  4023. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  4024. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
  4025. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  4026. } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
  4027. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  4028. tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
  4029. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
  4030. b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
  4031. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
  4032. }
  4033. b43_chantab_phy_upload(dev, e);
  4034. if (new_channel->hw_value == 14) {
  4035. b43_nphy_classifier(dev, 2, 0);
  4036. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  4037. } else {
  4038. b43_nphy_classifier(dev, 2, 2);
  4039. if (new_channel->band == IEEE80211_BAND_2GHZ)
  4040. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  4041. }
  4042. if (!nphy->txpwrctrl)
  4043. b43_nphy_tx_power_fix(dev);
  4044. if (dev->phy.rev < 3)
  4045. b43_nphy_adjust_lna_gain_table(dev);
  4046. b43_nphy_tx_lp_fbw(dev);
  4047. if (dev->phy.rev >= 3 &&
  4048. dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
  4049. bool avoid = false;
  4050. if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
  4051. avoid = true;
  4052. } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
  4053. if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
  4054. avoid = true;
  4055. } else { /* 40MHz */
  4056. if (nphy->aband_spurwar_en &&
  4057. (ch == 38 || ch == 102 || ch == 118))
  4058. avoid = dev->dev->chip_id == 0x4716;
  4059. }
  4060. b43_nphy_pmu_spur_avoid(dev, avoid);
  4061. if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
  4062. dev->dev->chip_id == 43225) {
  4063. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
  4064. avoid ? 0x5341 : 0x8889);
  4065. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
  4066. }
  4067. if (dev->phy.rev == 3 || dev->phy.rev == 4)
  4068. ; /* TODO: reset PLL */
  4069. if (avoid)
  4070. b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
  4071. else
  4072. b43_phy_mask(dev, B43_NPHY_BBCFG,
  4073. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  4074. b43_nphy_reset_cca(dev);
  4075. /* wl sets useless phy_isspuravoid here */
  4076. }
  4077. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  4078. if (phy->rev >= 3)
  4079. b43_nphy_spur_workaround(dev);
  4080. }
  4081. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  4082. static int b43_nphy_set_channel(struct b43_wldev *dev,
  4083. struct ieee80211_channel *channel,
  4084. enum nl80211_channel_type channel_type)
  4085. {
  4086. struct b43_phy *phy = &dev->phy;
  4087. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
  4088. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
  4089. u8 tmp;
  4090. if (dev->phy.rev >= 3) {
  4091. tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
  4092. channel->center_freq);
  4093. if (!tabent_r3)
  4094. return -ESRCH;
  4095. } else {
  4096. tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
  4097. channel->hw_value);
  4098. if (!tabent_r2)
  4099. return -ESRCH;
  4100. }
  4101. /* Channel is set later in common code, but we need to set it on our
  4102. own to let this function's subcalls work properly. */
  4103. phy->channel = channel->hw_value;
  4104. phy->channel_freq = channel->center_freq;
  4105. if (b43_channel_type_is_40mhz(phy->channel_type) !=
  4106. b43_channel_type_is_40mhz(channel_type))
  4107. ; /* TODO: BMAC BW Set (channel_type) */
  4108. if (channel_type == NL80211_CHAN_HT40PLUS)
  4109. b43_phy_set(dev, B43_NPHY_RXCTL,
  4110. B43_NPHY_RXCTL_BSELU20);
  4111. else if (channel_type == NL80211_CHAN_HT40MINUS)
  4112. b43_phy_mask(dev, B43_NPHY_RXCTL,
  4113. ~B43_NPHY_RXCTL_BSELU20);
  4114. if (dev->phy.rev >= 3) {
  4115. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
  4116. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  4117. b43_radio_2056_setup(dev, tabent_r3);
  4118. b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
  4119. } else {
  4120. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
  4121. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  4122. b43_radio_2055_setup(dev, tabent_r2);
  4123. b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
  4124. }
  4125. return 0;
  4126. }
  4127. /**************************************************
  4128. * Basic PHY ops.
  4129. **************************************************/
  4130. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  4131. {
  4132. struct b43_phy_n *nphy;
  4133. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  4134. if (!nphy)
  4135. return -ENOMEM;
  4136. dev->phy.n = nphy;
  4137. return 0;
  4138. }
  4139. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  4140. {
  4141. struct b43_phy *phy = &dev->phy;
  4142. struct b43_phy_n *nphy = phy->n;
  4143. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  4144. memset(nphy, 0, sizeof(*nphy));
  4145. nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
  4146. nphy->spur_avoid = (phy->rev >= 3) ?
  4147. B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
  4148. nphy->gain_boost = true; /* this way we follow wl, assume it is true */
  4149. nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
  4150. nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
  4151. nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
  4152. /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
  4153. * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
  4154. nphy->tx_pwr_idx[0] = 128;
  4155. nphy->tx_pwr_idx[1] = 128;
  4156. /* Hardware TX power control and 5GHz power gain */
  4157. nphy->txpwrctrl = false;
  4158. nphy->pwg_gain_5ghz = false;
  4159. if (dev->phy.rev >= 3 ||
  4160. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4161. (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
  4162. nphy->txpwrctrl = true;
  4163. nphy->pwg_gain_5ghz = true;
  4164. } else if (sprom->revision >= 4) {
  4165. if (dev->phy.rev >= 2 &&
  4166. (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
  4167. nphy->txpwrctrl = true;
  4168. #ifdef CONFIG_B43_SSB
  4169. if (dev->dev->bus_type == B43_BUS_SSB &&
  4170. dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
  4171. struct pci_dev *pdev =
  4172. dev->dev->sdev->bus->host_pci;
  4173. if (pdev->device == 0x4328 ||
  4174. pdev->device == 0x432a)
  4175. nphy->pwg_gain_5ghz = true;
  4176. }
  4177. #endif
  4178. } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
  4179. nphy->pwg_gain_5ghz = true;
  4180. }
  4181. }
  4182. if (dev->phy.rev >= 3) {
  4183. nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
  4184. nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
  4185. }
  4186. }
  4187. static void b43_nphy_op_free(struct b43_wldev *dev)
  4188. {
  4189. struct b43_phy *phy = &dev->phy;
  4190. struct b43_phy_n *nphy = phy->n;
  4191. kfree(nphy);
  4192. phy->n = NULL;
  4193. }
  4194. static int b43_nphy_op_init(struct b43_wldev *dev)
  4195. {
  4196. return b43_phy_initn(dev);
  4197. }
  4198. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  4199. {
  4200. #if B43_DEBUG
  4201. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  4202. /* OFDM registers are onnly available on A/G-PHYs */
  4203. b43err(dev->wl, "Invalid OFDM PHY access at "
  4204. "0x%04X on N-PHY\n", offset);
  4205. dump_stack();
  4206. }
  4207. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  4208. /* Ext-G registers are only available on G-PHYs */
  4209. b43err(dev->wl, "Invalid EXT-G PHY access at "
  4210. "0x%04X on N-PHY\n", offset);
  4211. dump_stack();
  4212. }
  4213. #endif /* B43_DEBUG */
  4214. }
  4215. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  4216. {
  4217. check_phyreg(dev, reg);
  4218. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4219. return b43_read16(dev, B43_MMIO_PHY_DATA);
  4220. }
  4221. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  4222. {
  4223. check_phyreg(dev, reg);
  4224. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4225. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  4226. }
  4227. static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
  4228. u16 set)
  4229. {
  4230. check_phyreg(dev, reg);
  4231. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4232. b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
  4233. }
  4234. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  4235. {
  4236. /* Register 1 is a 32-bit register. */
  4237. B43_WARN_ON(reg == 1);
  4238. /* N-PHY needs 0x100 for read access */
  4239. reg |= 0x100;
  4240. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4241. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  4242. }
  4243. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  4244. {
  4245. /* Register 1 is a 32-bit register. */
  4246. B43_WARN_ON(reg == 1);
  4247. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4248. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  4249. }
  4250. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  4251. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  4252. bool blocked)
  4253. {
  4254. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  4255. b43err(dev->wl, "MAC not suspended\n");
  4256. if (blocked) {
  4257. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  4258. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  4259. if (dev->phy.rev >= 3) {
  4260. b43_radio_mask(dev, 0x09, ~0x2);
  4261. b43_radio_write(dev, 0x204D, 0);
  4262. b43_radio_write(dev, 0x2053, 0);
  4263. b43_radio_write(dev, 0x2058, 0);
  4264. b43_radio_write(dev, 0x205E, 0);
  4265. b43_radio_mask(dev, 0x2062, ~0xF0);
  4266. b43_radio_write(dev, 0x2064, 0);
  4267. b43_radio_write(dev, 0x304D, 0);
  4268. b43_radio_write(dev, 0x3053, 0);
  4269. b43_radio_write(dev, 0x3058, 0);
  4270. b43_radio_write(dev, 0x305E, 0);
  4271. b43_radio_mask(dev, 0x3062, ~0xF0);
  4272. b43_radio_write(dev, 0x3064, 0);
  4273. }
  4274. } else {
  4275. if (dev->phy.rev >= 3) {
  4276. b43_radio_init2056(dev);
  4277. b43_switch_channel(dev, dev->phy.channel);
  4278. } else {
  4279. b43_radio_init2055(dev);
  4280. }
  4281. }
  4282. }
  4283. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
  4284. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  4285. {
  4286. u16 override = on ? 0x0 : 0x7FFF;
  4287. u16 core = on ? 0xD : 0x00FD;
  4288. if (dev->phy.rev >= 3) {
  4289. if (on) {
  4290. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4291. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4292. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4293. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4294. } else {
  4295. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4296. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4297. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4298. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4299. }
  4300. } else {
  4301. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4302. }
  4303. }
  4304. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  4305. unsigned int new_channel)
  4306. {
  4307. struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
  4308. enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
  4309. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  4310. if ((new_channel < 1) || (new_channel > 14))
  4311. return -EINVAL;
  4312. } else {
  4313. if (new_channel > 200)
  4314. return -EINVAL;
  4315. }
  4316. return b43_nphy_set_channel(dev, channel, channel_type);
  4317. }
  4318. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  4319. {
  4320. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4321. return 1;
  4322. return 36;
  4323. }
  4324. const struct b43_phy_operations b43_phyops_n = {
  4325. .allocate = b43_nphy_op_allocate,
  4326. .free = b43_nphy_op_free,
  4327. .prepare_structs = b43_nphy_op_prepare_structs,
  4328. .init = b43_nphy_op_init,
  4329. .phy_read = b43_nphy_op_read,
  4330. .phy_write = b43_nphy_op_write,
  4331. .phy_maskset = b43_nphy_op_maskset,
  4332. .radio_read = b43_nphy_op_radio_read,
  4333. .radio_write = b43_nphy_op_radio_write,
  4334. .software_rfkill = b43_nphy_op_software_rfkill,
  4335. .switch_analog = b43_nphy_op_switch_analog,
  4336. .switch_channel = b43_nphy_op_switch_channel,
  4337. .get_default_chan = b43_nphy_op_get_default_chan,
  4338. .recalc_txpower = b43_nphy_op_recalc_txpower,
  4339. .adjust_txpower = b43_nphy_op_adjust_txpower,
  4340. };