phy_n.c 100 KB

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  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11n PHY support
  4. Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; see the file COPYING. If not, write to
  15. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  16. Boston, MA 02110-1301, USA.
  17. */
  18. #include <linux/delay.h>
  19. #include <linux/slab.h>
  20. #include <linux/types.h>
  21. #include "b43.h"
  22. #include "phy_n.h"
  23. #include "tables_nphy.h"
  24. #include "main.h"
  25. struct nphy_txgains {
  26. u16 txgm[2];
  27. u16 pga[2];
  28. u16 pad[2];
  29. u16 ipa[2];
  30. };
  31. struct nphy_iqcal_params {
  32. u16 txgm;
  33. u16 pga;
  34. u16 pad;
  35. u16 ipa;
  36. u16 cal_gain;
  37. u16 ncorr[5];
  38. };
  39. struct nphy_iq_est {
  40. s32 iq0_prod;
  41. u32 i0_pwr;
  42. u32 q0_pwr;
  43. s32 iq1_prod;
  44. u32 i1_pwr;
  45. u32 q1_pwr;
  46. };
  47. enum b43_nphy_rf_sequence {
  48. B43_RFSEQ_RX2TX,
  49. B43_RFSEQ_TX2RX,
  50. B43_RFSEQ_RESET2RX,
  51. B43_RFSEQ_UPDATE_GAINH,
  52. B43_RFSEQ_UPDATE_GAINL,
  53. B43_RFSEQ_UPDATE_GAINU,
  54. };
  55. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  56. u8 *events, u8 *delays, u8 length);
  57. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  58. enum b43_nphy_rf_sequence seq);
  59. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  60. u16 value, u8 core, bool off);
  61. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  62. u16 value, u8 core);
  63. static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel);
  64. static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
  65. {
  66. return !chanspec->channel && !chanspec->sideband &&
  67. !chanspec->b_width && !chanspec->b_freq;
  68. }
  69. static inline bool b43_eq_chanspecs(struct b43_chanspec *chanspec1,
  70. struct b43_chanspec *chanspec2)
  71. {
  72. return (chanspec1->channel == chanspec2->channel &&
  73. chanspec1->sideband == chanspec2->sideband &&
  74. chanspec1->b_width == chanspec2->b_width &&
  75. chanspec1->b_freq == chanspec2->b_freq);
  76. }
  77. void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  78. {//TODO
  79. }
  80. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  81. {//TODO
  82. }
  83. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  84. bool ignore_tssi)
  85. {//TODO
  86. return B43_TXPWR_RES_DONE;
  87. }
  88. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  89. const struct b43_nphy_channeltab_entry_rev2 *e)
  90. {
  91. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  92. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  93. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  94. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  95. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  96. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  97. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  98. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  99. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  100. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  101. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  102. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  103. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  104. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  105. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  106. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  107. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  108. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  109. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  110. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  111. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  112. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  113. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  114. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  115. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  116. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  117. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  118. }
  119. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  120. const struct b43_phy_n_sfo_cfg *e)
  121. {
  122. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  123. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  124. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  125. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  126. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  127. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  128. }
  129. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  130. {
  131. //TODO
  132. }
  133. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  134. static void b43_radio_2055_setup(struct b43_wldev *dev,
  135. const struct b43_nphy_channeltab_entry_rev2 *e)
  136. {
  137. B43_WARN_ON(dev->phy.rev >= 3);
  138. b43_chantab_radio_upload(dev, e);
  139. udelay(50);
  140. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  141. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  142. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  143. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  144. udelay(300);
  145. }
  146. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  147. {
  148. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  149. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  150. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  151. B43_NPHY_RFCTL_CMD_CHIP0PU |
  152. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  153. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  154. B43_NPHY_RFCTL_CMD_PORFORCE);
  155. }
  156. static void b43_radio_init2055_post(struct b43_wldev *dev)
  157. {
  158. struct b43_phy_n *nphy = dev->phy.n;
  159. struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
  160. struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
  161. int i;
  162. u16 val;
  163. bool workaround = false;
  164. if (sprom->revision < 4)
  165. workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM ||
  166. binfo->type != 0x46D ||
  167. binfo->rev < 0x41);
  168. else
  169. workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0);
  170. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  171. if (workaround) {
  172. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  173. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  174. }
  175. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  176. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  177. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  178. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  179. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  180. msleep(1);
  181. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  182. for (i = 0; i < 200; i++) {
  183. val = b43_radio_read(dev, B2055_CAL_COUT2);
  184. if (val & 0x80) {
  185. i = 0;
  186. break;
  187. }
  188. udelay(10);
  189. }
  190. if (i)
  191. b43err(dev->wl, "radio post init timeout\n");
  192. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  193. nphy_channel_switch(dev, dev->phy.channel);
  194. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  195. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  196. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  197. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  198. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  199. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  200. if (!nphy->gain_boost) {
  201. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  202. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  203. } else {
  204. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  205. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  206. }
  207. udelay(2);
  208. }
  209. /*
  210. * Initialize a Broadcom 2055 N-radio
  211. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  212. */
  213. static void b43_radio_init2055(struct b43_wldev *dev)
  214. {
  215. b43_radio_init2055_pre(dev);
  216. if (b43_status(dev) < B43_STAT_INITIALIZED)
  217. b2055_upload_inittab(dev, 0, 1);
  218. else
  219. b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
  220. b43_radio_init2055_post(dev);
  221. }
  222. /*
  223. * Initialize a Broadcom 2056 N-radio
  224. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  225. */
  226. static void b43_radio_init2056(struct b43_wldev *dev)
  227. {
  228. /* TODO */
  229. }
  230. /*
  231. * Upload the N-PHY tables.
  232. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
  233. */
  234. static void b43_nphy_tables_init(struct b43_wldev *dev)
  235. {
  236. if (dev->phy.rev < 3)
  237. b43_nphy_rev0_1_2_tables_init(dev);
  238. else
  239. b43_nphy_rev3plus_tables_init(dev);
  240. }
  241. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  242. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  243. {
  244. struct b43_phy_n *nphy = dev->phy.n;
  245. enum ieee80211_band band;
  246. u16 tmp;
  247. if (!enable) {
  248. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  249. B43_NPHY_RFCTL_INTC1);
  250. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  251. B43_NPHY_RFCTL_INTC2);
  252. band = b43_current_band(dev->wl);
  253. if (dev->phy.rev >= 3) {
  254. if (band == IEEE80211_BAND_5GHZ)
  255. tmp = 0x600;
  256. else
  257. tmp = 0x480;
  258. } else {
  259. if (band == IEEE80211_BAND_5GHZ)
  260. tmp = 0x180;
  261. else
  262. tmp = 0x120;
  263. }
  264. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  265. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  266. } else {
  267. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  268. nphy->rfctrl_intc1_save);
  269. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  270. nphy->rfctrl_intc2_save);
  271. }
  272. }
  273. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  274. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  275. {
  276. struct b43_phy_n *nphy = dev->phy.n;
  277. u16 tmp;
  278. enum ieee80211_band band = b43_current_band(dev->wl);
  279. bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  280. (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
  281. if (dev->phy.rev >= 3) {
  282. if (ipa) {
  283. tmp = 4;
  284. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  285. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  286. }
  287. tmp = 1;
  288. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  289. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  290. }
  291. }
  292. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
  293. static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
  294. {
  295. u32 tmslow;
  296. if (dev->phy.type != B43_PHYTYPE_N)
  297. return;
  298. tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
  299. if (force)
  300. tmslow |= SSB_TMSLOW_FGC;
  301. else
  302. tmslow &= ~SSB_TMSLOW_FGC;
  303. ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
  304. }
  305. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  306. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  307. {
  308. u16 bbcfg;
  309. b43_nphy_bmac_clock_fgc(dev, 1);
  310. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  311. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  312. udelay(1);
  313. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  314. b43_nphy_bmac_clock_fgc(dev, 0);
  315. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  316. }
  317. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  318. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  319. {
  320. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  321. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  322. if (preamble == 1)
  323. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  324. else
  325. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  326. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  327. }
  328. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  329. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  330. {
  331. struct b43_phy_n *nphy = dev->phy.n;
  332. bool override = false;
  333. u16 chain = 0x33;
  334. if (nphy->txrx_chain == 0) {
  335. chain = 0x11;
  336. override = true;
  337. } else if (nphy->txrx_chain == 1) {
  338. chain = 0x22;
  339. override = true;
  340. }
  341. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  342. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  343. chain);
  344. if (override)
  345. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  346. B43_NPHY_RFSEQMODE_CAOVER);
  347. else
  348. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  349. ~B43_NPHY_RFSEQMODE_CAOVER);
  350. }
  351. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  352. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  353. u16 samps, u8 time, bool wait)
  354. {
  355. int i;
  356. u16 tmp;
  357. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  358. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  359. if (wait)
  360. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  361. else
  362. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  363. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  364. for (i = 1000; i; i--) {
  365. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  366. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  367. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  368. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  369. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  370. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  371. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  372. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  373. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  374. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  375. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  376. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  377. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  378. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  379. return;
  380. }
  381. udelay(10);
  382. }
  383. memset(est, 0, sizeof(*est));
  384. }
  385. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  386. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  387. struct b43_phy_n_iq_comp *pcomp)
  388. {
  389. if (write) {
  390. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  391. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  392. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  393. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  394. } else {
  395. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  396. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  397. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  398. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  399. }
  400. }
  401. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  402. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  403. {
  404. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  405. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  406. if (core == 0) {
  407. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  408. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  409. } else {
  410. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  411. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  412. }
  413. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  414. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  415. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  416. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  417. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  418. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  419. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  420. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  421. }
  422. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  423. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  424. {
  425. u8 rxval, txval;
  426. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  427. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  428. if (core == 0) {
  429. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  430. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  431. } else {
  432. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  433. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  434. }
  435. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  436. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  437. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  438. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  439. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  440. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  441. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  442. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  443. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  444. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  445. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, (u16)~B43_NPHY_RFSEQCA_RXDIS,
  446. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  447. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  448. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  449. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  450. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  451. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  452. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  453. if (core == 0) {
  454. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  455. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  456. } else {
  457. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  458. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  459. }
  460. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  461. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  462. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  463. if (core == 0) {
  464. rxval = 1;
  465. txval = 8;
  466. } else {
  467. rxval = 4;
  468. txval = 2;
  469. }
  470. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  471. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  472. }
  473. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  474. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  475. {
  476. int i;
  477. s32 iq;
  478. u32 ii;
  479. u32 qq;
  480. int iq_nbits, qq_nbits;
  481. int arsh, brsh;
  482. u16 tmp, a, b;
  483. struct nphy_iq_est est;
  484. struct b43_phy_n_iq_comp old;
  485. struct b43_phy_n_iq_comp new = { };
  486. bool error = false;
  487. if (mask == 0)
  488. return;
  489. b43_nphy_rx_iq_coeffs(dev, false, &old);
  490. b43_nphy_rx_iq_coeffs(dev, true, &new);
  491. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  492. new = old;
  493. for (i = 0; i < 2; i++) {
  494. if (i == 0 && (mask & 1)) {
  495. iq = est.iq0_prod;
  496. ii = est.i0_pwr;
  497. qq = est.q0_pwr;
  498. } else if (i == 1 && (mask & 2)) {
  499. iq = est.iq1_prod;
  500. ii = est.i1_pwr;
  501. qq = est.q1_pwr;
  502. } else {
  503. B43_WARN_ON(1);
  504. continue;
  505. }
  506. if (ii + qq < 2) {
  507. error = true;
  508. break;
  509. }
  510. iq_nbits = fls(abs(iq));
  511. qq_nbits = fls(qq);
  512. arsh = iq_nbits - 20;
  513. if (arsh >= 0) {
  514. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  515. tmp = ii >> arsh;
  516. } else {
  517. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  518. tmp = ii << -arsh;
  519. }
  520. if (tmp == 0) {
  521. error = true;
  522. break;
  523. }
  524. a /= tmp;
  525. brsh = qq_nbits - 11;
  526. if (brsh >= 0) {
  527. b = (qq << (31 - qq_nbits));
  528. tmp = ii >> brsh;
  529. } else {
  530. b = (qq << (31 - qq_nbits));
  531. tmp = ii << -brsh;
  532. }
  533. if (tmp == 0) {
  534. error = true;
  535. break;
  536. }
  537. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  538. if (i == 0 && (mask & 0x1)) {
  539. if (dev->phy.rev >= 3) {
  540. new.a0 = a & 0x3FF;
  541. new.b0 = b & 0x3FF;
  542. } else {
  543. new.a0 = b & 0x3FF;
  544. new.b0 = a & 0x3FF;
  545. }
  546. } else if (i == 1 && (mask & 0x2)) {
  547. if (dev->phy.rev >= 3) {
  548. new.a1 = a & 0x3FF;
  549. new.b1 = b & 0x3FF;
  550. } else {
  551. new.a1 = b & 0x3FF;
  552. new.b1 = a & 0x3FF;
  553. }
  554. }
  555. }
  556. if (error)
  557. new = old;
  558. b43_nphy_rx_iq_coeffs(dev, true, &new);
  559. }
  560. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  561. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  562. {
  563. u16 array[4];
  564. int i;
  565. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
  566. for (i = 0; i < 4; i++)
  567. array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
  568. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  569. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  570. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  571. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  572. }
  573. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  574. static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  575. {
  576. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  577. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  578. }
  579. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  580. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  581. {
  582. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  583. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  584. }
  585. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  586. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  587. {
  588. if (dev->phy.rev >= 3) {
  589. if (!init)
  590. return;
  591. if (0 /* FIXME */) {
  592. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  593. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  594. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  595. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  596. }
  597. } else {
  598. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  599. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  600. ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
  601. 0xFC00);
  602. b43_write32(dev, B43_MMIO_MACCTL,
  603. b43_read32(dev, B43_MMIO_MACCTL) &
  604. ~B43_MACCTL_GPOUTSMSK);
  605. b43_write16(dev, B43_MMIO_GPIO_MASK,
  606. b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
  607. b43_write16(dev, B43_MMIO_GPIO_CONTROL,
  608. b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
  609. if (init) {
  610. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  611. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  612. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  613. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  614. }
  615. }
  616. }
  617. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  618. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  619. {
  620. u16 tmp;
  621. if (dev->dev->id.revision == 16)
  622. b43_mac_suspend(dev);
  623. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  624. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  625. B43_NPHY_CLASSCTL_WAITEDEN);
  626. tmp &= ~mask;
  627. tmp |= (val & mask);
  628. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  629. if (dev->dev->id.revision == 16)
  630. b43_mac_enable(dev);
  631. return tmp;
  632. }
  633. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  634. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  635. {
  636. struct b43_phy *phy = &dev->phy;
  637. struct b43_phy_n *nphy = phy->n;
  638. if (enable) {
  639. u16 clip[] = { 0xFFFF, 0xFFFF };
  640. if (nphy->deaf_count++ == 0) {
  641. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  642. b43_nphy_classifier(dev, 0x7, 0);
  643. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  644. b43_nphy_write_clip_detection(dev, clip);
  645. }
  646. b43_nphy_reset_cca(dev);
  647. } else {
  648. if (--nphy->deaf_count == 0) {
  649. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  650. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  651. }
  652. }
  653. }
  654. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  655. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  656. {
  657. struct b43_phy_n *nphy = dev->phy.n;
  658. u16 tmp;
  659. if (nphy->hang_avoid)
  660. b43_nphy_stay_in_carrier_search(dev, 1);
  661. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  662. if (tmp & 0x1)
  663. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  664. else if (tmp & 0x2)
  665. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, (u16)~0x8000);
  666. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  667. if (nphy->bb_mult_save & 0x80000000) {
  668. tmp = nphy->bb_mult_save & 0xFFFF;
  669. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  670. nphy->bb_mult_save = 0;
  671. }
  672. if (nphy->hang_avoid)
  673. b43_nphy_stay_in_carrier_search(dev, 0);
  674. }
  675. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  676. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  677. {
  678. struct b43_phy_n *nphy = dev->phy.n;
  679. u8 channel = nphy->radio_chanspec.channel;
  680. int tone[2] = { 57, 58 };
  681. u32 noise[2] = { 0x3FF, 0x3FF };
  682. B43_WARN_ON(dev->phy.rev < 3);
  683. if (nphy->hang_avoid)
  684. b43_nphy_stay_in_carrier_search(dev, 1);
  685. if (nphy->gband_spurwar_en) {
  686. /* TODO: N PHY Adjust Analog Pfbw (7) */
  687. if (channel == 11 && dev->phy.is_40mhz)
  688. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  689. else
  690. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  691. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  692. }
  693. if (nphy->aband_spurwar_en) {
  694. if (channel == 54) {
  695. tone[0] = 0x20;
  696. noise[0] = 0x25F;
  697. } else if (channel == 38 || channel == 102 || channel == 118) {
  698. if (0 /* FIXME */) {
  699. tone[0] = 0x20;
  700. noise[0] = 0x21F;
  701. } else {
  702. tone[0] = 0;
  703. noise[0] = 0;
  704. }
  705. } else if (channel == 134) {
  706. tone[0] = 0x20;
  707. noise[0] = 0x21F;
  708. } else if (channel == 151) {
  709. tone[0] = 0x10;
  710. noise[0] = 0x23F;
  711. } else if (channel == 153 || channel == 161) {
  712. tone[0] = 0x30;
  713. noise[0] = 0x23F;
  714. } else {
  715. tone[0] = 0;
  716. noise[0] = 0;
  717. }
  718. if (!tone[0] && !noise[0])
  719. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  720. else
  721. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  722. }
  723. if (nphy->hang_avoid)
  724. b43_nphy_stay_in_carrier_search(dev, 0);
  725. }
  726. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  727. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  728. {
  729. struct b43_phy_n *nphy = dev->phy.n;
  730. u8 i;
  731. s16 tmp;
  732. u16 data[4];
  733. s16 gain[2];
  734. u16 minmax[2];
  735. u16 lna_gain[4] = { -2, 10, 19, 25 };
  736. if (nphy->hang_avoid)
  737. b43_nphy_stay_in_carrier_search(dev, 1);
  738. if (nphy->gain_boost) {
  739. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  740. gain[0] = 6;
  741. gain[1] = 6;
  742. } else {
  743. tmp = 40370 - 315 * nphy->radio_chanspec.channel;
  744. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  745. tmp = 23242 - 224 * nphy->radio_chanspec.channel;
  746. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  747. }
  748. } else {
  749. gain[0] = 0;
  750. gain[1] = 0;
  751. }
  752. for (i = 0; i < 2; i++) {
  753. if (nphy->elna_gain_config) {
  754. data[0] = 19 + gain[i];
  755. data[1] = 25 + gain[i];
  756. data[2] = 25 + gain[i];
  757. data[3] = 25 + gain[i];
  758. } else {
  759. data[0] = lna_gain[0] + gain[i];
  760. data[1] = lna_gain[1] + gain[i];
  761. data[2] = lna_gain[2] + gain[i];
  762. data[3] = lna_gain[3] + gain[i];
  763. }
  764. b43_ntab_write_bulk(dev, B43_NTAB16(10, 8), 4, data);
  765. minmax[i] = 23 + gain[i];
  766. }
  767. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  768. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  769. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  770. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  771. if (nphy->hang_avoid)
  772. b43_nphy_stay_in_carrier_search(dev, 0);
  773. }
  774. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  775. static void b43_nphy_gain_crtl_workarounds(struct b43_wldev *dev)
  776. {
  777. struct b43_phy_n *nphy = dev->phy.n;
  778. u8 i, j;
  779. u8 code;
  780. /* TODO: for PHY >= 3
  781. s8 *lna1_gain, *lna2_gain;
  782. u8 *gain_db, *gain_bits;
  783. u16 *rfseq_init;
  784. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  785. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  786. */
  787. u8 rfseq_events[3] = { 6, 8, 7 };
  788. u8 rfseq_delays[3] = { 10, 30, 1 };
  789. if (dev->phy.rev >= 3) {
  790. /* TODO */
  791. } else {
  792. /* Set Clip 2 detect */
  793. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  794. B43_NPHY_C1_CGAINI_CL2DETECT);
  795. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  796. B43_NPHY_C2_CGAINI_CL2DETECT);
  797. /* Set narrowband clip threshold */
  798. b43_phy_set(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  799. b43_phy_set(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  800. if (!dev->phy.is_40mhz) {
  801. /* Set dwell lengths */
  802. b43_phy_set(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  803. b43_phy_set(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  804. b43_phy_set(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  805. b43_phy_set(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  806. }
  807. /* Set wideband clip 2 threshold */
  808. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  809. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
  810. 21);
  811. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  812. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
  813. 21);
  814. if (!dev->phy.is_40mhz) {
  815. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  816. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  817. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  818. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  819. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  820. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  821. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  822. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  823. }
  824. b43_phy_set(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  825. if (nphy->gain_boost) {
  826. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  827. dev->phy.is_40mhz)
  828. code = 4;
  829. else
  830. code = 5;
  831. } else {
  832. code = dev->phy.is_40mhz ? 6 : 7;
  833. }
  834. /* Set HPVGA2 index */
  835. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
  836. ~B43_NPHY_C1_INITGAIN_HPVGA2,
  837. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  838. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
  839. ~B43_NPHY_C2_INITGAIN_HPVGA2,
  840. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  841. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  842. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  843. (code << 8 | 0x7C));
  844. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  845. (code << 8 | 0x7C));
  846. b43_nphy_adjust_lna_gain_table(dev);
  847. if (nphy->elna_gain_config) {
  848. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  849. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  850. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  851. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  852. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  853. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  854. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  855. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  856. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  857. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  858. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  859. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  860. (code << 8 | 0x74));
  861. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  862. (code << 8 | 0x74));
  863. }
  864. if (dev->phy.rev == 2) {
  865. for (i = 0; i < 4; i++) {
  866. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  867. (0x0400 * i) + 0x0020);
  868. for (j = 0; j < 21; j++)
  869. b43_phy_write(dev,
  870. B43_NPHY_TABLE_DATALO, 3 * j);
  871. }
  872. b43_nphy_set_rf_sequence(dev, 5,
  873. rfseq_events, rfseq_delays, 3);
  874. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  875. (u16)~B43_NPHY_OVER_DGAIN_CCKDGECV,
  876. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  877. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  878. b43_phy_maskset(dev, B43_PHY_N(0xC5D),
  879. 0xFF80, 4);
  880. }
  881. }
  882. }
  883. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  884. static void b43_nphy_workarounds(struct b43_wldev *dev)
  885. {
  886. struct ssb_bus *bus = dev->dev->bus;
  887. struct b43_phy *phy = &dev->phy;
  888. struct b43_phy_n *nphy = phy->n;
  889. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  890. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  891. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  892. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  893. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  894. b43_nphy_classifier(dev, 1, 0);
  895. else
  896. b43_nphy_classifier(dev, 1, 1);
  897. if (nphy->hang_avoid)
  898. b43_nphy_stay_in_carrier_search(dev, 1);
  899. b43_phy_set(dev, B43_NPHY_IQFLIP,
  900. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  901. if (dev->phy.rev >= 3) {
  902. /* TODO */
  903. } else {
  904. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  905. nphy->band5g_pwrgain) {
  906. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  907. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  908. } else {
  909. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  910. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  911. }
  912. /* TODO: convert to b43_ntab_write? */
  913. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000);
  914. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  915. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010);
  916. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  917. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002);
  918. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  919. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012);
  920. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  921. if (dev->phy.rev < 2) {
  922. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008);
  923. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  924. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018);
  925. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  926. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007);
  927. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  928. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017);
  929. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  930. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006);
  931. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  932. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016);
  933. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  934. }
  935. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  936. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  937. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  938. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  939. if (bus->sprom.boardflags2_lo & 0x100 &&
  940. bus->boardinfo.type == 0x8B) {
  941. delays1[0] = 0x1;
  942. delays1[5] = 0x14;
  943. }
  944. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  945. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  946. b43_nphy_gain_crtl_workarounds(dev);
  947. if (dev->phy.rev < 2) {
  948. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  949. ; /*TODO: b43_mhf(dev, 2, 0x0010, 0x0010, 3);*/
  950. } else if (dev->phy.rev == 2) {
  951. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  952. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  953. }
  954. if (dev->phy.rev < 2)
  955. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  956. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  957. /* Set phase track alpha and beta */
  958. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  959. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  960. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  961. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  962. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  963. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  964. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  965. (u16)~B43_NPHY_PIL_DW_64QAM);
  966. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  967. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  968. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  969. if (dev->phy.rev == 2)
  970. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  971. B43_NPHY_FINERX2_CGC_DECGC);
  972. }
  973. if (nphy->hang_avoid)
  974. b43_nphy_stay_in_carrier_search(dev, 0);
  975. }
  976. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  977. static int b43_nphy_load_samples(struct b43_wldev *dev,
  978. struct b43_c32 *samples, u16 len) {
  979. struct b43_phy_n *nphy = dev->phy.n;
  980. u16 i;
  981. u32 *data;
  982. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  983. if (!data) {
  984. b43err(dev->wl, "allocation for samples loading failed\n");
  985. return -ENOMEM;
  986. }
  987. if (nphy->hang_avoid)
  988. b43_nphy_stay_in_carrier_search(dev, 1);
  989. for (i = 0; i < len; i++) {
  990. data[i] = (samples[i].i & 0x3FF << 10);
  991. data[i] |= samples[i].q & 0x3FF;
  992. }
  993. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  994. kfree(data);
  995. if (nphy->hang_avoid)
  996. b43_nphy_stay_in_carrier_search(dev, 0);
  997. return 0;
  998. }
  999. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  1000. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  1001. bool test)
  1002. {
  1003. int i;
  1004. u16 bw, len, rot, angle;
  1005. struct b43_c32 *samples;
  1006. bw = (dev->phy.is_40mhz) ? 40 : 20;
  1007. len = bw << 3;
  1008. if (test) {
  1009. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  1010. bw = 82;
  1011. else
  1012. bw = 80;
  1013. if (dev->phy.is_40mhz)
  1014. bw <<= 1;
  1015. len = bw << 1;
  1016. }
  1017. samples = kzalloc(len * sizeof(struct b43_c32), GFP_KERNEL);
  1018. if (!samples) {
  1019. b43err(dev->wl, "allocation for samples generation failed\n");
  1020. return 0;
  1021. }
  1022. rot = (((freq * 36) / bw) << 16) / 100;
  1023. angle = 0;
  1024. for (i = 0; i < len; i++) {
  1025. samples[i] = b43_cordic(angle);
  1026. angle += rot;
  1027. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  1028. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  1029. }
  1030. i = b43_nphy_load_samples(dev, samples, len);
  1031. kfree(samples);
  1032. return (i < 0) ? 0 : len;
  1033. }
  1034. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  1035. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  1036. u16 wait, bool iqmode, bool dac_test)
  1037. {
  1038. struct b43_phy_n *nphy = dev->phy.n;
  1039. int i;
  1040. u16 seq_mode;
  1041. u32 tmp;
  1042. if (nphy->hang_avoid)
  1043. b43_nphy_stay_in_carrier_search(dev, true);
  1044. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  1045. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  1046. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  1047. }
  1048. if (!dev->phy.is_40mhz)
  1049. tmp = 0x6464;
  1050. else
  1051. tmp = 0x4747;
  1052. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1053. if (nphy->hang_avoid)
  1054. b43_nphy_stay_in_carrier_search(dev, false);
  1055. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  1056. if (loops != 0xFFFF)
  1057. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  1058. else
  1059. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  1060. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  1061. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1062. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  1063. if (iqmode) {
  1064. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1065. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  1066. } else {
  1067. if (dac_test)
  1068. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  1069. else
  1070. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  1071. }
  1072. for (i = 0; i < 100; i++) {
  1073. if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
  1074. i = 0;
  1075. break;
  1076. }
  1077. udelay(10);
  1078. }
  1079. if (i)
  1080. b43err(dev->wl, "run samples timeout\n");
  1081. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1082. }
  1083. /*
  1084. * Transmits a known value for LO calibration
  1085. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  1086. */
  1087. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  1088. bool iqmode, bool dac_test)
  1089. {
  1090. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  1091. if (samp == 0)
  1092. return -1;
  1093. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  1094. return 0;
  1095. }
  1096. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  1097. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  1098. {
  1099. struct b43_phy_n *nphy = dev->phy.n;
  1100. int i, j;
  1101. u32 tmp;
  1102. u32 cur_real, cur_imag, real_part, imag_part;
  1103. u16 buffer[7];
  1104. if (nphy->hang_avoid)
  1105. b43_nphy_stay_in_carrier_search(dev, true);
  1106. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  1107. for (i = 0; i < 2; i++) {
  1108. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  1109. (buffer[i * 2 + 1] & 0x3FF);
  1110. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1111. (((i + 26) << 10) | 320));
  1112. for (j = 0; j < 128; j++) {
  1113. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1114. ((tmp >> 16) & 0xFFFF));
  1115. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1116. (tmp & 0xFFFF));
  1117. }
  1118. }
  1119. for (i = 0; i < 2; i++) {
  1120. tmp = buffer[5 + i];
  1121. real_part = (tmp >> 8) & 0xFF;
  1122. imag_part = (tmp & 0xFF);
  1123. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1124. (((i + 26) << 10) | 448));
  1125. if (dev->phy.rev >= 3) {
  1126. cur_real = real_part;
  1127. cur_imag = imag_part;
  1128. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  1129. }
  1130. for (j = 0; j < 128; j++) {
  1131. if (dev->phy.rev < 3) {
  1132. cur_real = (real_part * loscale[j] + 128) >> 8;
  1133. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  1134. tmp = ((cur_real & 0xFF) << 8) |
  1135. (cur_imag & 0xFF);
  1136. }
  1137. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1138. ((tmp >> 16) & 0xFFFF));
  1139. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1140. (tmp & 0xFFFF));
  1141. }
  1142. }
  1143. if (dev->phy.rev >= 3) {
  1144. b43_shm_write16(dev, B43_SHM_SHARED,
  1145. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  1146. b43_shm_write16(dev, B43_SHM_SHARED,
  1147. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  1148. }
  1149. if (nphy->hang_avoid)
  1150. b43_nphy_stay_in_carrier_search(dev, false);
  1151. }
  1152. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  1153. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  1154. u8 *events, u8 *delays, u8 length)
  1155. {
  1156. struct b43_phy_n *nphy = dev->phy.n;
  1157. u8 i;
  1158. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  1159. u16 offset1 = cmd << 4;
  1160. u16 offset2 = offset1 + 0x80;
  1161. if (nphy->hang_avoid)
  1162. b43_nphy_stay_in_carrier_search(dev, true);
  1163. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  1164. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  1165. for (i = length; i < 16; i++) {
  1166. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  1167. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  1168. }
  1169. if (nphy->hang_avoid)
  1170. b43_nphy_stay_in_carrier_search(dev, false);
  1171. }
  1172. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  1173. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  1174. enum b43_nphy_rf_sequence seq)
  1175. {
  1176. static const u16 trigger[] = {
  1177. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  1178. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  1179. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  1180. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  1181. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  1182. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  1183. };
  1184. int i;
  1185. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1186. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  1187. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  1188. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  1189. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  1190. for (i = 0; i < 200; i++) {
  1191. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  1192. goto ok;
  1193. msleep(1);
  1194. }
  1195. b43err(dev->wl, "RF sequence status timeout\n");
  1196. ok:
  1197. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1198. }
  1199. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  1200. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  1201. u16 value, u8 core, bool off)
  1202. {
  1203. int i;
  1204. u8 index = fls(field);
  1205. u8 addr, en_addr, val_addr;
  1206. /* we expect only one bit set */
  1207. B43_WARN_ON(field & (~(1 << (index - 1))));
  1208. if (dev->phy.rev >= 3) {
  1209. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  1210. for (i = 0; i < 2; i++) {
  1211. if (index == 0 || index == 16) {
  1212. b43err(dev->wl,
  1213. "Unsupported RF Ctrl Override call\n");
  1214. return;
  1215. }
  1216. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  1217. en_addr = B43_PHY_N((i == 0) ?
  1218. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  1219. val_addr = B43_PHY_N((i == 0) ?
  1220. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  1221. if (off) {
  1222. b43_phy_mask(dev, en_addr, ~(field));
  1223. b43_phy_mask(dev, val_addr,
  1224. ~(rf_ctrl->val_mask));
  1225. } else {
  1226. if (core == 0 || ((1 << core) & i) != 0) {
  1227. b43_phy_set(dev, en_addr, field);
  1228. b43_phy_maskset(dev, val_addr,
  1229. ~(rf_ctrl->val_mask),
  1230. (value << rf_ctrl->val_shift));
  1231. }
  1232. }
  1233. }
  1234. } else {
  1235. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  1236. if (off) {
  1237. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  1238. value = 0;
  1239. } else {
  1240. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  1241. }
  1242. for (i = 0; i < 2; i++) {
  1243. if (index <= 1 || index == 16) {
  1244. b43err(dev->wl,
  1245. "Unsupported RF Ctrl Override call\n");
  1246. return;
  1247. }
  1248. if (index == 2 || index == 10 ||
  1249. (index >= 13 && index <= 15)) {
  1250. core = 1;
  1251. }
  1252. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  1253. addr = B43_PHY_N((i == 0) ?
  1254. rf_ctrl->addr0 : rf_ctrl->addr1);
  1255. if ((core & (1 << i)) != 0)
  1256. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  1257. (value << rf_ctrl->shift));
  1258. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1259. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1260. B43_NPHY_RFCTL_CMD_START);
  1261. udelay(1);
  1262. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  1263. }
  1264. }
  1265. }
  1266. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  1267. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  1268. u16 value, u8 core)
  1269. {
  1270. u8 i, j;
  1271. u16 reg, tmp, val;
  1272. B43_WARN_ON(dev->phy.rev < 3);
  1273. B43_WARN_ON(field > 4);
  1274. for (i = 0; i < 2; i++) {
  1275. if ((core == 1 && i == 1) || (core == 2 && !i))
  1276. continue;
  1277. reg = (i == 0) ?
  1278. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  1279. b43_phy_mask(dev, reg, 0xFBFF);
  1280. switch (field) {
  1281. case 0:
  1282. b43_phy_write(dev, reg, 0);
  1283. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1284. break;
  1285. case 1:
  1286. if (!i) {
  1287. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  1288. 0xFC3F, (value << 6));
  1289. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  1290. 0xFFFE, 1);
  1291. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1292. B43_NPHY_RFCTL_CMD_START);
  1293. for (j = 0; j < 100; j++) {
  1294. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
  1295. j = 0;
  1296. break;
  1297. }
  1298. udelay(10);
  1299. }
  1300. if (j)
  1301. b43err(dev->wl,
  1302. "intc override timeout\n");
  1303. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  1304. 0xFFFE);
  1305. } else {
  1306. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  1307. 0xFC3F, (value << 6));
  1308. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1309. 0xFFFE, 1);
  1310. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1311. B43_NPHY_RFCTL_CMD_RXTX);
  1312. for (j = 0; j < 100; j++) {
  1313. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
  1314. j = 0;
  1315. break;
  1316. }
  1317. udelay(10);
  1318. }
  1319. if (j)
  1320. b43err(dev->wl,
  1321. "intc override timeout\n");
  1322. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1323. 0xFFFE);
  1324. }
  1325. break;
  1326. case 2:
  1327. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1328. tmp = 0x0020;
  1329. val = value << 5;
  1330. } else {
  1331. tmp = 0x0010;
  1332. val = value << 4;
  1333. }
  1334. b43_phy_maskset(dev, reg, ~tmp, val);
  1335. break;
  1336. case 3:
  1337. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1338. tmp = 0x0001;
  1339. val = value;
  1340. } else {
  1341. tmp = 0x0004;
  1342. val = value << 2;
  1343. }
  1344. b43_phy_maskset(dev, reg, ~tmp, val);
  1345. break;
  1346. case 4:
  1347. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1348. tmp = 0x0002;
  1349. val = value << 1;
  1350. } else {
  1351. tmp = 0x0008;
  1352. val = value << 3;
  1353. }
  1354. b43_phy_maskset(dev, reg, ~tmp, val);
  1355. break;
  1356. }
  1357. }
  1358. }
  1359. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  1360. {
  1361. unsigned int i;
  1362. u16 val;
  1363. val = 0x1E1F;
  1364. for (i = 0; i < 14; i++) {
  1365. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  1366. val -= 0x202;
  1367. }
  1368. val = 0x3E3F;
  1369. for (i = 0; i < 16; i++) {
  1370. b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val);
  1371. val -= 0x202;
  1372. }
  1373. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  1374. }
  1375. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  1376. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  1377. s8 offset, u8 core, u8 rail, u8 type)
  1378. {
  1379. u16 tmp;
  1380. bool core1or5 = (core == 1) || (core == 5);
  1381. bool core2or5 = (core == 2) || (core == 5);
  1382. offset = clamp_val(offset, -32, 31);
  1383. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  1384. if (core1or5 && (rail == 0) && (type == 2))
  1385. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  1386. if (core1or5 && (rail == 1) && (type == 2))
  1387. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  1388. if (core2or5 && (rail == 0) && (type == 2))
  1389. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  1390. if (core2or5 && (rail == 1) && (type == 2))
  1391. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  1392. if (core1or5 && (rail == 0) && (type == 0))
  1393. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  1394. if (core1or5 && (rail == 1) && (type == 0))
  1395. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  1396. if (core2or5 && (rail == 0) && (type == 0))
  1397. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  1398. if (core2or5 && (rail == 1) && (type == 0))
  1399. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  1400. if (core1or5 && (rail == 0) && (type == 1))
  1401. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  1402. if (core1or5 && (rail == 1) && (type == 1))
  1403. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  1404. if (core2or5 && (rail == 0) && (type == 1))
  1405. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  1406. if (core2or5 && (rail == 1) && (type == 1))
  1407. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  1408. if (core1or5 && (rail == 0) && (type == 6))
  1409. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  1410. if (core1or5 && (rail == 1) && (type == 6))
  1411. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  1412. if (core2or5 && (rail == 0) && (type == 6))
  1413. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  1414. if (core2or5 && (rail == 1) && (type == 6))
  1415. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  1416. if (core1or5 && (rail == 0) && (type == 3))
  1417. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  1418. if (core1or5 && (rail == 1) && (type == 3))
  1419. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  1420. if (core2or5 && (rail == 0) && (type == 3))
  1421. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  1422. if (core2or5 && (rail == 1) && (type == 3))
  1423. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  1424. if (core1or5 && (type == 4))
  1425. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  1426. if (core2or5 && (type == 4))
  1427. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  1428. if (core1or5 && (type == 5))
  1429. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  1430. if (core2or5 && (type == 5))
  1431. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  1432. }
  1433. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1434. {
  1435. u16 val;
  1436. if (type < 3)
  1437. val = 0;
  1438. else if (type == 6)
  1439. val = 1;
  1440. else if (type == 3)
  1441. val = 2;
  1442. else
  1443. val = 3;
  1444. val = (val << 12) | (val << 14);
  1445. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  1446. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  1447. if (type < 3) {
  1448. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  1449. (type + 1) << 4);
  1450. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  1451. (type + 1) << 4);
  1452. }
  1453. /* TODO use some definitions */
  1454. if (code == 0) {
  1455. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0);
  1456. if (type < 3) {
  1457. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0);
  1458. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0);
  1459. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0);
  1460. udelay(20);
  1461. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1462. }
  1463. } else {
  1464. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF,
  1465. 0x3000);
  1466. if (type < 3) {
  1467. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1468. 0xFEC7, 0x0180);
  1469. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1470. 0xEFDC, (code << 1 | 0x1021));
  1471. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1);
  1472. udelay(20);
  1473. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1474. }
  1475. }
  1476. }
  1477. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1478. {
  1479. struct b43_phy_n *nphy = dev->phy.n;
  1480. u8 i;
  1481. u16 reg, val;
  1482. if (code == 0) {
  1483. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  1484. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  1485. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  1486. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  1487. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  1488. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  1489. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  1490. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  1491. } else {
  1492. for (i = 0; i < 2; i++) {
  1493. if ((code == 1 && i == 1) || (code == 2 && !i))
  1494. continue;
  1495. reg = (i == 0) ?
  1496. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  1497. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  1498. if (type < 3) {
  1499. reg = (i == 0) ?
  1500. B43_NPHY_AFECTL_C1 :
  1501. B43_NPHY_AFECTL_C2;
  1502. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  1503. reg = (i == 0) ?
  1504. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  1505. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  1506. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  1507. if (type == 0)
  1508. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  1509. else if (type == 1)
  1510. val = 16;
  1511. else
  1512. val = 32;
  1513. b43_phy_set(dev, reg, val);
  1514. reg = (i == 0) ?
  1515. B43_NPHY_TXF_40CO_B1S0 :
  1516. B43_NPHY_TXF_40CO_B32S1;
  1517. b43_phy_set(dev, reg, 0x0020);
  1518. } else {
  1519. if (type == 6)
  1520. val = 0x0100;
  1521. else if (type == 3)
  1522. val = 0x0200;
  1523. else
  1524. val = 0x0300;
  1525. reg = (i == 0) ?
  1526. B43_NPHY_AFECTL_C1 :
  1527. B43_NPHY_AFECTL_C2;
  1528. b43_phy_maskset(dev, reg, 0xFCFF, val);
  1529. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  1530. if (type != 3 && type != 6) {
  1531. enum ieee80211_band band =
  1532. b43_current_band(dev->wl);
  1533. if ((nphy->ipa2g_on &&
  1534. band == IEEE80211_BAND_2GHZ) ||
  1535. (nphy->ipa5g_on &&
  1536. band == IEEE80211_BAND_5GHZ))
  1537. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  1538. else
  1539. val = 0x11;
  1540. reg = (i == 0) ? 0x2000 : 0x3000;
  1541. reg |= B2055_PADDRV;
  1542. b43_radio_write16(dev, reg, val);
  1543. reg = (i == 0) ?
  1544. B43_NPHY_AFECTL_OVER1 :
  1545. B43_NPHY_AFECTL_OVER;
  1546. b43_phy_set(dev, reg, 0x0200);
  1547. }
  1548. }
  1549. }
  1550. }
  1551. }
  1552. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1553. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1554. {
  1555. if (dev->phy.rev >= 3)
  1556. b43_nphy_rev3_rssi_select(dev, code, type);
  1557. else
  1558. b43_nphy_rev2_rssi_select(dev, code, type);
  1559. }
  1560. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1561. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1562. {
  1563. int i;
  1564. for (i = 0; i < 2; i++) {
  1565. if (type == 2) {
  1566. if (i == 0) {
  1567. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1568. 0xFC, buf[0]);
  1569. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1570. 0xFC, buf[1]);
  1571. } else {
  1572. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1573. 0xFC, buf[2 * i]);
  1574. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1575. 0xFC, buf[2 * i + 1]);
  1576. }
  1577. } else {
  1578. if (i == 0)
  1579. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1580. 0xF3, buf[0] << 2);
  1581. else
  1582. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1583. 0xF3, buf[2 * i + 1] << 2);
  1584. }
  1585. }
  1586. }
  1587. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1588. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1589. u8 nsamp)
  1590. {
  1591. int i;
  1592. int out;
  1593. u16 save_regs_phy[9];
  1594. u16 s[2];
  1595. if (dev->phy.rev >= 3) {
  1596. save_regs_phy[0] = b43_phy_read(dev,
  1597. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1598. save_regs_phy[1] = b43_phy_read(dev,
  1599. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1600. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1601. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1602. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1603. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1604. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1605. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1606. }
  1607. b43_nphy_rssi_select(dev, 5, type);
  1608. if (dev->phy.rev < 2) {
  1609. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1610. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1611. }
  1612. for (i = 0; i < 4; i++)
  1613. buf[i] = 0;
  1614. for (i = 0; i < nsamp; i++) {
  1615. if (dev->phy.rev < 2) {
  1616. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1617. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1618. } else {
  1619. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1620. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1621. }
  1622. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1623. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1624. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1625. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1626. }
  1627. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1628. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1629. if (dev->phy.rev < 2)
  1630. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1631. if (dev->phy.rev >= 3) {
  1632. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1633. save_regs_phy[0]);
  1634. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1635. save_regs_phy[1]);
  1636. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
  1637. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
  1638. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1639. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1640. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1641. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1642. }
  1643. return out;
  1644. }
  1645. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1646. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1647. {
  1648. int i, j;
  1649. u8 state[4];
  1650. u8 code, val;
  1651. u16 class, override;
  1652. u8 regs_save_radio[2];
  1653. u16 regs_save_phy[2];
  1654. s8 offset[4];
  1655. u16 clip_state[2];
  1656. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1657. s32 results_min[4] = { };
  1658. u8 vcm_final[4] = { };
  1659. s32 results[4][4] = { };
  1660. s32 miniq[4][2] = { };
  1661. if (type == 2) {
  1662. code = 0;
  1663. val = 6;
  1664. } else if (type < 2) {
  1665. code = 25;
  1666. val = 4;
  1667. } else {
  1668. B43_WARN_ON(1);
  1669. return;
  1670. }
  1671. class = b43_nphy_classifier(dev, 0, 0);
  1672. b43_nphy_classifier(dev, 7, 4);
  1673. b43_nphy_read_clip_detection(dev, clip_state);
  1674. b43_nphy_write_clip_detection(dev, clip_off);
  1675. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1676. override = 0x140;
  1677. else
  1678. override = 0x110;
  1679. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1680. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1681. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1682. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1683. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1684. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1685. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1686. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1687. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1688. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1689. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1690. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1691. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1692. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1693. b43_nphy_rssi_select(dev, 5, type);
  1694. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1695. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1696. for (i = 0; i < 4; i++) {
  1697. u8 tmp[4];
  1698. for (j = 0; j < 4; j++)
  1699. tmp[j] = i;
  1700. if (type != 1)
  1701. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1702. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1703. if (type < 2)
  1704. for (j = 0; j < 2; j++)
  1705. miniq[i][j] = min(results[i][2 * j],
  1706. results[i][2 * j + 1]);
  1707. }
  1708. for (i = 0; i < 4; i++) {
  1709. s32 mind = 40;
  1710. u8 minvcm = 0;
  1711. s32 minpoll = 249;
  1712. s32 curr;
  1713. for (j = 0; j < 4; j++) {
  1714. if (type == 2)
  1715. curr = abs(results[j][i]);
  1716. else
  1717. curr = abs(miniq[j][i / 2] - code * 8);
  1718. if (curr < mind) {
  1719. mind = curr;
  1720. minvcm = j;
  1721. }
  1722. if (results[j][i] < minpoll)
  1723. minpoll = results[j][i];
  1724. }
  1725. results_min[i] = minpoll;
  1726. vcm_final[i] = minvcm;
  1727. }
  1728. if (type != 1)
  1729. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1730. for (i = 0; i < 4; i++) {
  1731. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1732. if (offset[i] < 0)
  1733. offset[i] = -((abs(offset[i]) + 4) / 8);
  1734. else
  1735. offset[i] = (offset[i] + 4) / 8;
  1736. if (results_min[i] == 248)
  1737. offset[i] = code - 32;
  1738. if (i % 2 == 0)
  1739. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0,
  1740. type);
  1741. else
  1742. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1,
  1743. type);
  1744. }
  1745. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1746. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]);
  1747. switch (state[2]) {
  1748. case 1:
  1749. b43_nphy_rssi_select(dev, 1, 2);
  1750. break;
  1751. case 4:
  1752. b43_nphy_rssi_select(dev, 1, 0);
  1753. break;
  1754. case 2:
  1755. b43_nphy_rssi_select(dev, 1, 1);
  1756. break;
  1757. default:
  1758. b43_nphy_rssi_select(dev, 1, 1);
  1759. break;
  1760. }
  1761. switch (state[3]) {
  1762. case 1:
  1763. b43_nphy_rssi_select(dev, 2, 2);
  1764. break;
  1765. case 4:
  1766. b43_nphy_rssi_select(dev, 2, 0);
  1767. break;
  1768. default:
  1769. b43_nphy_rssi_select(dev, 2, 1);
  1770. break;
  1771. }
  1772. b43_nphy_rssi_select(dev, 0, type);
  1773. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1774. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1775. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1776. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1777. b43_nphy_classifier(dev, 7, class);
  1778. b43_nphy_write_clip_detection(dev, clip_state);
  1779. }
  1780. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1781. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1782. {
  1783. /* TODO */
  1784. }
  1785. /*
  1786. * RSSI Calibration
  1787. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1788. */
  1789. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1790. {
  1791. if (dev->phy.rev >= 3) {
  1792. b43_nphy_rev3_rssi_cal(dev);
  1793. } else {
  1794. b43_nphy_rev2_rssi_cal(dev, 2);
  1795. b43_nphy_rev2_rssi_cal(dev, 0);
  1796. b43_nphy_rev2_rssi_cal(dev, 1);
  1797. }
  1798. }
  1799. /*
  1800. * Restore RSSI Calibration
  1801. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  1802. */
  1803. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  1804. {
  1805. struct b43_phy_n *nphy = dev->phy.n;
  1806. u16 *rssical_radio_regs = NULL;
  1807. u16 *rssical_phy_regs = NULL;
  1808. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1809. if (b43_empty_chanspec(&nphy->rssical_chanspec_2G))
  1810. return;
  1811. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1812. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1813. } else {
  1814. if (b43_empty_chanspec(&nphy->rssical_chanspec_5G))
  1815. return;
  1816. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1817. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1818. }
  1819. /* TODO use some definitions */
  1820. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  1821. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  1822. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  1823. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  1824. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  1825. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  1826. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  1827. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  1828. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  1829. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  1830. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  1831. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  1832. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  1833. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  1834. }
  1835. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
  1836. static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
  1837. {
  1838. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1839. if (dev->phy.rev >= 6) {
  1840. /* TODO If the chip is 47162
  1841. return txpwrctrl_tx_gain_ipa_rev5 */
  1842. return txpwrctrl_tx_gain_ipa_rev6;
  1843. } else if (dev->phy.rev >= 5) {
  1844. return txpwrctrl_tx_gain_ipa_rev5;
  1845. } else {
  1846. return txpwrctrl_tx_gain_ipa;
  1847. }
  1848. } else {
  1849. return txpwrctrl_tx_gain_ipa_5g;
  1850. }
  1851. }
  1852. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  1853. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  1854. {
  1855. struct b43_phy_n *nphy = dev->phy.n;
  1856. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  1857. u16 tmp;
  1858. u8 offset, i;
  1859. if (dev->phy.rev >= 3) {
  1860. for (i = 0; i < 2; i++) {
  1861. tmp = (i == 0) ? 0x2000 : 0x3000;
  1862. offset = i * 11;
  1863. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  1864. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  1865. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  1866. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  1867. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  1868. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  1869. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  1870. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  1871. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  1872. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  1873. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  1874. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1875. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  1876. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1877. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1878. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1879. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1880. if (nphy->ipa5g_on) {
  1881. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  1882. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  1883. } else {
  1884. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1885. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  1886. }
  1887. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1888. } else {
  1889. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  1890. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1891. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1892. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1893. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1894. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  1895. if (nphy->ipa2g_on) {
  1896. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  1897. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  1898. (dev->phy.rev < 5) ? 0x11 : 0x01);
  1899. } else {
  1900. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1901. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1902. }
  1903. }
  1904. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  1905. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  1906. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  1907. }
  1908. } else {
  1909. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  1910. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  1911. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  1912. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  1913. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  1914. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  1915. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  1916. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  1917. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  1918. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  1919. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  1920. B43_NPHY_BANDCTL_5GHZ)) {
  1921. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  1922. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  1923. } else {
  1924. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  1925. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  1926. }
  1927. if (dev->phy.rev < 2) {
  1928. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  1929. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  1930. } else {
  1931. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  1932. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  1933. }
  1934. }
  1935. }
  1936. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  1937. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  1938. struct nphy_txgains target,
  1939. struct nphy_iqcal_params *params)
  1940. {
  1941. int i, j, indx;
  1942. u16 gain;
  1943. if (dev->phy.rev >= 3) {
  1944. params->txgm = target.txgm[core];
  1945. params->pga = target.pga[core];
  1946. params->pad = target.pad[core];
  1947. params->ipa = target.ipa[core];
  1948. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  1949. (params->pad << 4) | (params->ipa);
  1950. for (j = 0; j < 5; j++)
  1951. params->ncorr[j] = 0x79;
  1952. } else {
  1953. gain = (target.pad[core]) | (target.pga[core] << 4) |
  1954. (target.txgm[core] << 8);
  1955. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  1956. 1 : 0;
  1957. for (i = 0; i < 9; i++)
  1958. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  1959. break;
  1960. i = min(i, 8);
  1961. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  1962. params->pga = tbl_iqcal_gainparams[indx][i][2];
  1963. params->pad = tbl_iqcal_gainparams[indx][i][3];
  1964. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  1965. (params->pad << 2);
  1966. for (j = 0; j < 4; j++)
  1967. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  1968. }
  1969. }
  1970. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  1971. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  1972. {
  1973. struct b43_phy_n *nphy = dev->phy.n;
  1974. int i;
  1975. u16 scale, entry;
  1976. u16 tmp = nphy->txcal_bbmult;
  1977. if (core == 0)
  1978. tmp >>= 8;
  1979. tmp &= 0xff;
  1980. for (i = 0; i < 18; i++) {
  1981. scale = (ladder_lo[i].percent * tmp) / 100;
  1982. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  1983. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  1984. scale = (ladder_iq[i].percent * tmp) / 100;
  1985. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  1986. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  1987. }
  1988. }
  1989. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  1990. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  1991. {
  1992. int i;
  1993. for (i = 0; i < 15; i++)
  1994. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  1995. tbl_tx_filter_coef_rev4[2][i]);
  1996. }
  1997. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  1998. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  1999. {
  2000. int i, j;
  2001. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  2002. u16 offset[] = { 0x186, 0x195, 0x2C5 };
  2003. for (i = 0; i < 3; i++)
  2004. for (j = 0; j < 15; j++)
  2005. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  2006. tbl_tx_filter_coef_rev4[i][j]);
  2007. if (dev->phy.is_40mhz) {
  2008. for (j = 0; j < 15; j++)
  2009. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2010. tbl_tx_filter_coef_rev4[3][j]);
  2011. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2012. for (j = 0; j < 15; j++)
  2013. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2014. tbl_tx_filter_coef_rev4[5][j]);
  2015. }
  2016. if (dev->phy.channel == 14)
  2017. for (j = 0; j < 15; j++)
  2018. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2019. tbl_tx_filter_coef_rev4[6][j]);
  2020. }
  2021. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  2022. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  2023. {
  2024. struct b43_phy_n *nphy = dev->phy.n;
  2025. u16 curr_gain[2];
  2026. struct nphy_txgains target;
  2027. const u32 *table = NULL;
  2028. if (nphy->txpwrctrl == 0) {
  2029. int i;
  2030. if (nphy->hang_avoid)
  2031. b43_nphy_stay_in_carrier_search(dev, true);
  2032. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  2033. if (nphy->hang_avoid)
  2034. b43_nphy_stay_in_carrier_search(dev, false);
  2035. for (i = 0; i < 2; ++i) {
  2036. if (dev->phy.rev >= 3) {
  2037. target.ipa[i] = curr_gain[i] & 0x000F;
  2038. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  2039. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  2040. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  2041. } else {
  2042. target.ipa[i] = curr_gain[i] & 0x0003;
  2043. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  2044. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  2045. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  2046. }
  2047. }
  2048. } else {
  2049. int i;
  2050. u16 index[2];
  2051. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  2052. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2053. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2054. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  2055. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2056. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2057. for (i = 0; i < 2; ++i) {
  2058. if (dev->phy.rev >= 3) {
  2059. enum ieee80211_band band =
  2060. b43_current_band(dev->wl);
  2061. if ((nphy->ipa2g_on &&
  2062. band == IEEE80211_BAND_2GHZ) ||
  2063. (nphy->ipa5g_on &&
  2064. band == IEEE80211_BAND_5GHZ)) {
  2065. table = b43_nphy_get_ipa_gain_table(dev);
  2066. } else {
  2067. if (band == IEEE80211_BAND_5GHZ) {
  2068. if (dev->phy.rev == 3)
  2069. table = b43_ntab_tx_gain_rev3_5ghz;
  2070. else if (dev->phy.rev == 4)
  2071. table = b43_ntab_tx_gain_rev4_5ghz;
  2072. else
  2073. table = b43_ntab_tx_gain_rev5plus_5ghz;
  2074. } else {
  2075. table = b43_ntab_tx_gain_rev3plus_2ghz;
  2076. }
  2077. }
  2078. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  2079. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  2080. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  2081. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  2082. } else {
  2083. table = b43_ntab_tx_gain_rev0_1_2;
  2084. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  2085. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  2086. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  2087. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  2088. }
  2089. }
  2090. }
  2091. return target;
  2092. }
  2093. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  2094. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  2095. {
  2096. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2097. if (dev->phy.rev >= 3) {
  2098. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  2099. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2100. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2101. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  2102. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  2103. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  2104. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  2105. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  2106. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  2107. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2108. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2109. b43_nphy_reset_cca(dev);
  2110. } else {
  2111. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  2112. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  2113. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2114. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  2115. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  2116. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  2117. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  2118. }
  2119. }
  2120. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  2121. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  2122. {
  2123. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2124. u16 tmp;
  2125. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2126. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2127. if (dev->phy.rev >= 3) {
  2128. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  2129. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  2130. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2131. regs[2] = tmp;
  2132. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  2133. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2134. regs[3] = tmp;
  2135. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  2136. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  2137. b43_phy_mask(dev, B43_NPHY_BBCFG, (u16)~B43_NPHY_BBCFG_RSTRX);
  2138. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  2139. regs[5] = tmp;
  2140. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  2141. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  2142. regs[6] = tmp;
  2143. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  2144. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2145. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2146. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  2147. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  2148. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  2149. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2150. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2151. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2152. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2153. } else {
  2154. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  2155. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  2156. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2157. regs[2] = tmp;
  2158. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  2159. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  2160. regs[3] = tmp;
  2161. tmp |= 0x2000;
  2162. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  2163. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  2164. regs[4] = tmp;
  2165. tmp |= 0x2000;
  2166. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  2167. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2168. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2169. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2170. tmp = 0x0180;
  2171. else
  2172. tmp = 0x0120;
  2173. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2174. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2175. }
  2176. }
  2177. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  2178. static void b43_nphy_save_cal(struct b43_wldev *dev)
  2179. {
  2180. struct b43_phy_n *nphy = dev->phy.n;
  2181. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2182. u16 *txcal_radio_regs = NULL;
  2183. struct b43_chanspec *iqcal_chanspec;
  2184. u16 *table = NULL;
  2185. if (nphy->hang_avoid)
  2186. b43_nphy_stay_in_carrier_search(dev, 1);
  2187. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2188. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2189. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2190. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  2191. table = nphy->cal_cache.txcal_coeffs_2G;
  2192. } else {
  2193. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2194. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2195. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  2196. table = nphy->cal_cache.txcal_coeffs_5G;
  2197. }
  2198. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  2199. /* TODO use some definitions */
  2200. if (dev->phy.rev >= 3) {
  2201. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  2202. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  2203. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  2204. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  2205. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  2206. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  2207. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  2208. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  2209. } else {
  2210. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  2211. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  2212. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  2213. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  2214. }
  2215. *iqcal_chanspec = nphy->radio_chanspec;
  2216. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table);
  2217. if (nphy->hang_avoid)
  2218. b43_nphy_stay_in_carrier_search(dev, 0);
  2219. }
  2220. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  2221. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  2222. {
  2223. struct b43_phy_n *nphy = dev->phy.n;
  2224. u16 coef[4];
  2225. u16 *loft = NULL;
  2226. u16 *table = NULL;
  2227. int i;
  2228. u16 *txcal_radio_regs = NULL;
  2229. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2230. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2231. if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G))
  2232. return;
  2233. table = nphy->cal_cache.txcal_coeffs_2G;
  2234. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  2235. } else {
  2236. if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G))
  2237. return;
  2238. table = nphy->cal_cache.txcal_coeffs_5G;
  2239. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  2240. }
  2241. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  2242. for (i = 0; i < 4; i++) {
  2243. if (dev->phy.rev >= 3)
  2244. table[i] = coef[i];
  2245. else
  2246. coef[i] = 0;
  2247. }
  2248. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  2249. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  2250. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  2251. if (dev->phy.rev < 2)
  2252. b43_nphy_tx_iq_workaround(dev);
  2253. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2254. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2255. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2256. } else {
  2257. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2258. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2259. }
  2260. /* TODO use some definitions */
  2261. if (dev->phy.rev >= 3) {
  2262. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  2263. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  2264. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  2265. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  2266. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  2267. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  2268. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  2269. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  2270. } else {
  2271. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  2272. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  2273. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  2274. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  2275. }
  2276. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  2277. }
  2278. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  2279. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  2280. struct nphy_txgains target,
  2281. bool full, bool mphase)
  2282. {
  2283. struct b43_phy_n *nphy = dev->phy.n;
  2284. int i;
  2285. int error = 0;
  2286. int freq;
  2287. bool avoid = false;
  2288. u8 length;
  2289. u16 tmp, core, type, count, max, numb, last, cmd;
  2290. const u16 *table;
  2291. bool phy6or5x;
  2292. u16 buffer[11];
  2293. u16 diq_start = 0;
  2294. u16 save[2];
  2295. u16 gain[2];
  2296. struct nphy_iqcal_params params[2];
  2297. bool updated[2] = { };
  2298. b43_nphy_stay_in_carrier_search(dev, true);
  2299. if (dev->phy.rev >= 4) {
  2300. avoid = nphy->hang_avoid;
  2301. nphy->hang_avoid = 0;
  2302. }
  2303. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2304. for (i = 0; i < 2; i++) {
  2305. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  2306. gain[i] = params[i].cal_gain;
  2307. }
  2308. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  2309. b43_nphy_tx_cal_radio_setup(dev);
  2310. b43_nphy_tx_cal_phy_setup(dev);
  2311. phy6or5x = dev->phy.rev >= 6 ||
  2312. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  2313. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  2314. if (phy6or5x) {
  2315. if (dev->phy.is_40mhz) {
  2316. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2317. tbl_tx_iqlo_cal_loft_ladder_40);
  2318. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2319. tbl_tx_iqlo_cal_iqimb_ladder_40);
  2320. } else {
  2321. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2322. tbl_tx_iqlo_cal_loft_ladder_20);
  2323. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2324. tbl_tx_iqlo_cal_iqimb_ladder_20);
  2325. }
  2326. }
  2327. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  2328. if (!dev->phy.is_40mhz)
  2329. freq = 2500;
  2330. else
  2331. freq = 5000;
  2332. if (nphy->mphase_cal_phase_id > 2)
  2333. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  2334. 0xFFFF, 0, true, false);
  2335. else
  2336. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  2337. if (error == 0) {
  2338. if (nphy->mphase_cal_phase_id > 2) {
  2339. table = nphy->mphase_txcal_bestcoeffs;
  2340. length = 11;
  2341. if (dev->phy.rev < 3)
  2342. length -= 2;
  2343. } else {
  2344. if (!full && nphy->txiqlocal_coeffsvalid) {
  2345. table = nphy->txiqlocal_bestc;
  2346. length = 11;
  2347. if (dev->phy.rev < 3)
  2348. length -= 2;
  2349. } else {
  2350. full = true;
  2351. if (dev->phy.rev >= 3) {
  2352. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  2353. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  2354. } else {
  2355. table = tbl_tx_iqlo_cal_startcoefs;
  2356. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  2357. }
  2358. }
  2359. }
  2360. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  2361. if (full) {
  2362. if (dev->phy.rev >= 3)
  2363. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  2364. else
  2365. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  2366. } else {
  2367. if (dev->phy.rev >= 3)
  2368. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  2369. else
  2370. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  2371. }
  2372. if (mphase) {
  2373. count = nphy->mphase_txcal_cmdidx;
  2374. numb = min(max,
  2375. (u16)(count + nphy->mphase_txcal_numcmds));
  2376. } else {
  2377. count = 0;
  2378. numb = max;
  2379. }
  2380. for (; count < numb; count++) {
  2381. if (full) {
  2382. if (dev->phy.rev >= 3)
  2383. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  2384. else
  2385. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  2386. } else {
  2387. if (dev->phy.rev >= 3)
  2388. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  2389. else
  2390. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  2391. }
  2392. core = (cmd & 0x3000) >> 12;
  2393. type = (cmd & 0x0F00) >> 8;
  2394. if (phy6or5x && updated[core] == 0) {
  2395. b43_nphy_update_tx_cal_ladder(dev, core);
  2396. updated[core] = 1;
  2397. }
  2398. tmp = (params[core].ncorr[type] << 8) | 0x66;
  2399. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  2400. if (type == 1 || type == 3 || type == 4) {
  2401. buffer[0] = b43_ntab_read(dev,
  2402. B43_NTAB16(15, 69 + core));
  2403. diq_start = buffer[0];
  2404. buffer[0] = 0;
  2405. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  2406. 0);
  2407. }
  2408. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  2409. for (i = 0; i < 2000; i++) {
  2410. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  2411. if (tmp & 0xC000)
  2412. break;
  2413. udelay(10);
  2414. }
  2415. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2416. buffer);
  2417. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  2418. buffer);
  2419. if (type == 1 || type == 3 || type == 4)
  2420. buffer[0] = diq_start;
  2421. }
  2422. if (mphase)
  2423. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  2424. last = (dev->phy.rev < 3) ? 6 : 7;
  2425. if (!mphase || nphy->mphase_cal_phase_id == last) {
  2426. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  2427. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  2428. if (dev->phy.rev < 3) {
  2429. buffer[0] = 0;
  2430. buffer[1] = 0;
  2431. buffer[2] = 0;
  2432. buffer[3] = 0;
  2433. }
  2434. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2435. buffer);
  2436. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  2437. buffer);
  2438. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2439. buffer);
  2440. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2441. buffer);
  2442. length = 11;
  2443. if (dev->phy.rev < 3)
  2444. length -= 2;
  2445. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2446. nphy->txiqlocal_bestc);
  2447. nphy->txiqlocal_coeffsvalid = true;
  2448. nphy->txiqlocal_chanspec = nphy->radio_chanspec;
  2449. } else {
  2450. length = 11;
  2451. if (dev->phy.rev < 3)
  2452. length -= 2;
  2453. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2454. nphy->mphase_txcal_bestcoeffs);
  2455. }
  2456. b43_nphy_stop_playback(dev);
  2457. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  2458. }
  2459. b43_nphy_tx_cal_phy_cleanup(dev);
  2460. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2461. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  2462. b43_nphy_tx_iq_workaround(dev);
  2463. if (dev->phy.rev >= 4)
  2464. nphy->hang_avoid = avoid;
  2465. b43_nphy_stay_in_carrier_search(dev, false);
  2466. return error;
  2467. }
  2468. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  2469. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  2470. {
  2471. struct b43_phy_n *nphy = dev->phy.n;
  2472. u8 i;
  2473. u16 buffer[7];
  2474. bool equal = true;
  2475. if (!nphy->txiqlocal_coeffsvalid ||
  2476. b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec))
  2477. return;
  2478. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  2479. for (i = 0; i < 4; i++) {
  2480. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  2481. equal = false;
  2482. break;
  2483. }
  2484. }
  2485. if (!equal) {
  2486. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  2487. nphy->txiqlocal_bestc);
  2488. for (i = 0; i < 4; i++)
  2489. buffer[i] = 0;
  2490. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2491. buffer);
  2492. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2493. &nphy->txiqlocal_bestc[5]);
  2494. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2495. &nphy->txiqlocal_bestc[5]);
  2496. }
  2497. }
  2498. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  2499. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  2500. struct nphy_txgains target, u8 type, bool debug)
  2501. {
  2502. struct b43_phy_n *nphy = dev->phy.n;
  2503. int i, j, index;
  2504. u8 rfctl[2];
  2505. u8 afectl_core;
  2506. u16 tmp[6];
  2507. u16 cur_hpf1, cur_hpf2, cur_lna;
  2508. u32 real, imag;
  2509. enum ieee80211_band band;
  2510. u8 use;
  2511. u16 cur_hpf;
  2512. u16 lna[3] = { 3, 3, 1 };
  2513. u16 hpf1[3] = { 7, 2, 0 };
  2514. u16 hpf2[3] = { 2, 0, 0 };
  2515. u32 power[3] = { };
  2516. u16 gain_save[2];
  2517. u16 cal_gain[2];
  2518. struct nphy_iqcal_params cal_params[2];
  2519. struct nphy_iq_est est;
  2520. int ret = 0;
  2521. bool playtone = true;
  2522. int desired = 13;
  2523. b43_nphy_stay_in_carrier_search(dev, 1);
  2524. if (dev->phy.rev < 2)
  2525. b43_nphy_reapply_tx_cal_coeffs(dev);
  2526. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2527. for (i = 0; i < 2; i++) {
  2528. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  2529. cal_gain[i] = cal_params[i].cal_gain;
  2530. }
  2531. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  2532. for (i = 0; i < 2; i++) {
  2533. if (i == 0) {
  2534. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  2535. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  2536. afectl_core = B43_NPHY_AFECTL_C1;
  2537. } else {
  2538. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  2539. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  2540. afectl_core = B43_NPHY_AFECTL_C2;
  2541. }
  2542. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  2543. tmp[2] = b43_phy_read(dev, afectl_core);
  2544. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2545. tmp[4] = b43_phy_read(dev, rfctl[0]);
  2546. tmp[5] = b43_phy_read(dev, rfctl[1]);
  2547. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2548. (u16)~B43_NPHY_RFSEQCA_RXDIS,
  2549. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  2550. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  2551. (1 - i));
  2552. b43_phy_set(dev, afectl_core, 0x0006);
  2553. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  2554. band = b43_current_band(dev->wl);
  2555. if (nphy->rxcalparams & 0xFF000000) {
  2556. if (band == IEEE80211_BAND_5GHZ)
  2557. b43_phy_write(dev, rfctl[0], 0x140);
  2558. else
  2559. b43_phy_write(dev, rfctl[0], 0x110);
  2560. } else {
  2561. if (band == IEEE80211_BAND_5GHZ)
  2562. b43_phy_write(dev, rfctl[0], 0x180);
  2563. else
  2564. b43_phy_write(dev, rfctl[0], 0x120);
  2565. }
  2566. if (band == IEEE80211_BAND_5GHZ)
  2567. b43_phy_write(dev, rfctl[1], 0x148);
  2568. else
  2569. b43_phy_write(dev, rfctl[1], 0x114);
  2570. if (nphy->rxcalparams & 0x10000) {
  2571. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  2572. (i + 1));
  2573. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  2574. (2 - i));
  2575. }
  2576. for (j = 0; i < 4; j++) {
  2577. if (j < 3) {
  2578. cur_lna = lna[j];
  2579. cur_hpf1 = hpf1[j];
  2580. cur_hpf2 = hpf2[j];
  2581. } else {
  2582. if (power[1] > 10000) {
  2583. use = 1;
  2584. cur_hpf = cur_hpf1;
  2585. index = 2;
  2586. } else {
  2587. if (power[0] > 10000) {
  2588. use = 1;
  2589. cur_hpf = cur_hpf1;
  2590. index = 1;
  2591. } else {
  2592. index = 0;
  2593. use = 2;
  2594. cur_hpf = cur_hpf2;
  2595. }
  2596. }
  2597. cur_lna = lna[index];
  2598. cur_hpf1 = hpf1[index];
  2599. cur_hpf2 = hpf2[index];
  2600. cur_hpf += desired - hweight32(power[index]);
  2601. cur_hpf = clamp_val(cur_hpf, 0, 10);
  2602. if (use == 1)
  2603. cur_hpf1 = cur_hpf;
  2604. else
  2605. cur_hpf2 = cur_hpf;
  2606. }
  2607. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  2608. (cur_lna << 2));
  2609. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  2610. false);
  2611. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2612. b43_nphy_stop_playback(dev);
  2613. if (playtone) {
  2614. ret = b43_nphy_tx_tone(dev, 4000,
  2615. (nphy->rxcalparams & 0xFFFF),
  2616. false, false);
  2617. playtone = false;
  2618. } else {
  2619. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  2620. false, false);
  2621. }
  2622. if (ret == 0) {
  2623. if (j < 3) {
  2624. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  2625. false);
  2626. if (i == 0) {
  2627. real = est.i0_pwr;
  2628. imag = est.q0_pwr;
  2629. } else {
  2630. real = est.i1_pwr;
  2631. imag = est.q1_pwr;
  2632. }
  2633. power[i] = ((real + imag) / 1024) + 1;
  2634. } else {
  2635. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  2636. }
  2637. b43_nphy_stop_playback(dev);
  2638. }
  2639. if (ret != 0)
  2640. break;
  2641. }
  2642. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  2643. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  2644. b43_phy_write(dev, rfctl[1], tmp[5]);
  2645. b43_phy_write(dev, rfctl[0], tmp[4]);
  2646. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  2647. b43_phy_write(dev, afectl_core, tmp[2]);
  2648. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  2649. if (ret != 0)
  2650. break;
  2651. }
  2652. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  2653. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2654. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2655. b43_nphy_stay_in_carrier_search(dev, 0);
  2656. return ret;
  2657. }
  2658. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  2659. struct nphy_txgains target, u8 type, bool debug)
  2660. {
  2661. return -1;
  2662. }
  2663. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  2664. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  2665. struct nphy_txgains target, u8 type, bool debug)
  2666. {
  2667. if (dev->phy.rev >= 3)
  2668. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  2669. else
  2670. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  2671. }
  2672. /*
  2673. * Init N-PHY
  2674. * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
  2675. */
  2676. int b43_phy_initn(struct b43_wldev *dev)
  2677. {
  2678. struct ssb_bus *bus = dev->dev->bus;
  2679. struct b43_phy *phy = &dev->phy;
  2680. struct b43_phy_n *nphy = phy->n;
  2681. u8 tx_pwr_state;
  2682. struct nphy_txgains target;
  2683. u16 tmp;
  2684. enum ieee80211_band tmp2;
  2685. bool do_rssi_cal;
  2686. u16 clip[2];
  2687. bool do_cal = false;
  2688. if ((dev->phy.rev >= 3) &&
  2689. (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
  2690. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  2691. chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
  2692. }
  2693. nphy->deaf_count = 0;
  2694. b43_nphy_tables_init(dev);
  2695. nphy->crsminpwr_adjusted = false;
  2696. nphy->noisevars_adjusted = false;
  2697. /* Clear all overrides */
  2698. if (dev->phy.rev >= 3) {
  2699. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  2700. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2701. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  2702. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  2703. } else {
  2704. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2705. }
  2706. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  2707. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  2708. if (dev->phy.rev < 6) {
  2709. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  2710. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  2711. }
  2712. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  2713. ~(B43_NPHY_RFSEQMODE_CAOVER |
  2714. B43_NPHY_RFSEQMODE_TROVER));
  2715. if (dev->phy.rev >= 3)
  2716. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  2717. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  2718. if (dev->phy.rev <= 2) {
  2719. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  2720. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2721. ~B43_NPHY_BPHY_CTL3_SCALE,
  2722. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  2723. }
  2724. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  2725. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  2726. if (bus->sprom.boardflags2_lo & 0x100 ||
  2727. (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
  2728. bus->boardinfo.type == 0x8B))
  2729. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  2730. else
  2731. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  2732. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  2733. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  2734. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  2735. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  2736. b43_nphy_update_txrx_chain(dev);
  2737. if (phy->rev < 2) {
  2738. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  2739. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  2740. }
  2741. tmp2 = b43_current_band(dev->wl);
  2742. if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
  2743. (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
  2744. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  2745. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  2746. nphy->papd_epsilon_offset[0] << 7);
  2747. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  2748. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  2749. nphy->papd_epsilon_offset[1] << 7);
  2750. b43_nphy_int_pa_set_tx_dig_filters(dev);
  2751. } else if (phy->rev >= 5) {
  2752. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  2753. }
  2754. b43_nphy_workarounds(dev);
  2755. /* Reset CCA, in init code it differs a little from standard way */
  2756. b43_nphy_bmac_clock_fgc(dev, 1);
  2757. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  2758. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  2759. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  2760. b43_nphy_bmac_clock_fgc(dev, 0);
  2761. /* TODO N PHY MAC PHY Clock Set with argument 1 */
  2762. b43_nphy_pa_override(dev, false);
  2763. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  2764. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2765. b43_nphy_pa_override(dev, true);
  2766. b43_nphy_classifier(dev, 0, 0);
  2767. b43_nphy_read_clip_detection(dev, clip);
  2768. tx_pwr_state = nphy->txpwrctrl;
  2769. /* TODO N PHY TX power control with argument 0
  2770. (turning off power control) */
  2771. /* TODO Fix the TX Power Settings */
  2772. /* TODO N PHY TX Power Control Idle TSSI */
  2773. /* TODO N PHY TX Power Control Setup */
  2774. if (phy->rev >= 3) {
  2775. /* TODO */
  2776. } else {
  2777. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
  2778. b43_ntab_tx_gain_rev0_1_2);
  2779. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
  2780. b43_ntab_tx_gain_rev0_1_2);
  2781. }
  2782. if (nphy->phyrxchain != 3)
  2783. ;/* TODO N PHY RX Core Set State with phyrxchain as argument */
  2784. if (nphy->mphase_cal_phase_id > 0)
  2785. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  2786. do_rssi_cal = false;
  2787. if (phy->rev >= 3) {
  2788. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2789. do_rssi_cal =
  2790. b43_empty_chanspec(&nphy->rssical_chanspec_2G);
  2791. else
  2792. do_rssi_cal =
  2793. b43_empty_chanspec(&nphy->rssical_chanspec_5G);
  2794. if (do_rssi_cal)
  2795. b43_nphy_rssi_cal(dev);
  2796. else
  2797. b43_nphy_restore_rssi_cal(dev);
  2798. } else {
  2799. b43_nphy_rssi_cal(dev);
  2800. }
  2801. if (!((nphy->measure_hold & 0x6) != 0)) {
  2802. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2803. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G);
  2804. else
  2805. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G);
  2806. if (nphy->mute)
  2807. do_cal = false;
  2808. if (do_cal) {
  2809. target = b43_nphy_get_tx_gains(dev);
  2810. if (nphy->antsel_type == 2)
  2811. b43_nphy_superswitch_init(dev, true);
  2812. if (nphy->perical != 2) {
  2813. b43_nphy_rssi_cal(dev);
  2814. if (phy->rev >= 3) {
  2815. nphy->cal_orig_pwr_idx[0] =
  2816. nphy->txpwrindex[0].index_internal;
  2817. nphy->cal_orig_pwr_idx[1] =
  2818. nphy->txpwrindex[1].index_internal;
  2819. /* TODO N PHY Pre Calibrate TX Gain */
  2820. target = b43_nphy_get_tx_gains(dev);
  2821. }
  2822. }
  2823. }
  2824. }
  2825. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
  2826. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  2827. b43_nphy_save_cal(dev);
  2828. else if (nphy->mphase_cal_phase_id == 0)
  2829. ;/* N PHY Periodic Calibration with argument 3 */
  2830. } else {
  2831. b43_nphy_restore_cal(dev);
  2832. }
  2833. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  2834. /* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
  2835. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  2836. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  2837. if (phy->rev >= 3 && phy->rev <= 6)
  2838. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  2839. b43_nphy_tx_lp_fbw(dev);
  2840. if (phy->rev >= 3)
  2841. b43_nphy_spur_workaround(dev);
  2842. b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
  2843. return 0;
  2844. }
  2845. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  2846. static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
  2847. const struct b43_phy_n_sfo_cfg *e,
  2848. struct b43_chanspec chanspec)
  2849. {
  2850. struct b43_phy *phy = &dev->phy;
  2851. struct b43_phy_n *nphy = dev->phy.n;
  2852. u16 tmp;
  2853. u32 tmp32;
  2854. tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  2855. if (chanspec.b_freq == 1 && tmp == 0) {
  2856. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2857. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2858. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  2859. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2860. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  2861. } else if (chanspec.b_freq == 1) {
  2862. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  2863. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2864. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2865. b43_phy_mask(dev, B43_PHY_B_BBCFG, (u16)~0xC000);
  2866. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2867. }
  2868. b43_chantab_phy_upload(dev, e);
  2869. tmp = chanspec.channel;
  2870. if (chanspec.b_freq == 1)
  2871. tmp |= 0x0100;
  2872. if (chanspec.b_width == 3)
  2873. tmp |= 0x0200;
  2874. b43_shm_write16(dev, B43_SHM_SHARED, 0xA0, tmp);
  2875. if (nphy->radio_chanspec.channel == 14) {
  2876. b43_nphy_classifier(dev, 2, 0);
  2877. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  2878. } else {
  2879. b43_nphy_classifier(dev, 2, 2);
  2880. if (chanspec.b_freq == 2)
  2881. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  2882. }
  2883. if (nphy->txpwrctrl)
  2884. b43_nphy_tx_power_fix(dev);
  2885. if (dev->phy.rev < 3)
  2886. b43_nphy_adjust_lna_gain_table(dev);
  2887. b43_nphy_tx_lp_fbw(dev);
  2888. if (dev->phy.rev >= 3 && 0) {
  2889. /* TODO */
  2890. }
  2891. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  2892. if (phy->rev >= 3)
  2893. b43_nphy_spur_workaround(dev);
  2894. }
  2895. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  2896. static int b43_nphy_set_chanspec(struct b43_wldev *dev,
  2897. struct b43_chanspec chanspec)
  2898. {
  2899. struct b43_phy_n *nphy = dev->phy.n;
  2900. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
  2901. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;
  2902. u8 tmp;
  2903. u8 channel = chanspec.channel;
  2904. if (dev->phy.rev >= 3) {
  2905. /* TODO */
  2906. tabent_r3 = NULL;
  2907. if (!tabent_r3)
  2908. return -ESRCH;
  2909. } else {
  2910. tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel);
  2911. if (!tabent_r2)
  2912. return -ESRCH;
  2913. }
  2914. nphy->radio_chanspec = chanspec;
  2915. if (chanspec.b_width != nphy->b_width)
  2916. ; /* TODO: BMAC BW Set (chanspec.b_width) */
  2917. /* TODO: use defines */
  2918. if (chanspec.b_width == 3) {
  2919. if (chanspec.sideband == 2)
  2920. b43_phy_set(dev, B43_NPHY_RXCTL,
  2921. B43_NPHY_RXCTL_BSELU20);
  2922. else
  2923. b43_phy_mask(dev, B43_NPHY_RXCTL,
  2924. ~B43_NPHY_RXCTL_BSELU20);
  2925. }
  2926. if (dev->phy.rev >= 3) {
  2927. tmp = (chanspec.b_freq == 1) ? 4 : 0;
  2928. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  2929. /* TODO: PHY Radio2056 Setup (dev, tabent_r3); */
  2930. b43_nphy_chanspec_setup(dev, &(tabent_r3->phy_regs), chanspec);
  2931. } else {
  2932. tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050;
  2933. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  2934. b43_radio_2055_setup(dev, tabent_r2);
  2935. b43_nphy_chanspec_setup(dev, &(tabent_r2->phy_regs), chanspec);
  2936. }
  2937. return 0;
  2938. }
  2939. /* Tune the hardware to a new channel */
  2940. static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
  2941. {
  2942. struct b43_phy_n *nphy = dev->phy.n;
  2943. struct b43_chanspec chanspec;
  2944. chanspec = nphy->radio_chanspec;
  2945. chanspec.channel = channel;
  2946. return b43_nphy_set_chanspec(dev, chanspec);
  2947. }
  2948. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  2949. {
  2950. struct b43_phy_n *nphy;
  2951. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  2952. if (!nphy)
  2953. return -ENOMEM;
  2954. dev->phy.n = nphy;
  2955. return 0;
  2956. }
  2957. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  2958. {
  2959. struct b43_phy *phy = &dev->phy;
  2960. struct b43_phy_n *nphy = phy->n;
  2961. memset(nphy, 0, sizeof(*nphy));
  2962. //TODO init struct b43_phy_n
  2963. }
  2964. static void b43_nphy_op_free(struct b43_wldev *dev)
  2965. {
  2966. struct b43_phy *phy = &dev->phy;
  2967. struct b43_phy_n *nphy = phy->n;
  2968. kfree(nphy);
  2969. phy->n = NULL;
  2970. }
  2971. static int b43_nphy_op_init(struct b43_wldev *dev)
  2972. {
  2973. return b43_phy_initn(dev);
  2974. }
  2975. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  2976. {
  2977. #if B43_DEBUG
  2978. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  2979. /* OFDM registers are onnly available on A/G-PHYs */
  2980. b43err(dev->wl, "Invalid OFDM PHY access at "
  2981. "0x%04X on N-PHY\n", offset);
  2982. dump_stack();
  2983. }
  2984. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  2985. /* Ext-G registers are only available on G-PHYs */
  2986. b43err(dev->wl, "Invalid EXT-G PHY access at "
  2987. "0x%04X on N-PHY\n", offset);
  2988. dump_stack();
  2989. }
  2990. #endif /* B43_DEBUG */
  2991. }
  2992. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  2993. {
  2994. check_phyreg(dev, reg);
  2995. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  2996. return b43_read16(dev, B43_MMIO_PHY_DATA);
  2997. }
  2998. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  2999. {
  3000. check_phyreg(dev, reg);
  3001. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  3002. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  3003. }
  3004. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  3005. {
  3006. /* Register 1 is a 32-bit register. */
  3007. B43_WARN_ON(reg == 1);
  3008. /* N-PHY needs 0x100 for read access */
  3009. reg |= 0x100;
  3010. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3011. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  3012. }
  3013. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  3014. {
  3015. /* Register 1 is a 32-bit register. */
  3016. B43_WARN_ON(reg == 1);
  3017. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3018. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  3019. }
  3020. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  3021. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  3022. bool blocked)
  3023. {
  3024. struct b43_phy_n *nphy = dev->phy.n;
  3025. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  3026. b43err(dev->wl, "MAC not suspended\n");
  3027. if (blocked) {
  3028. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  3029. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  3030. if (dev->phy.rev >= 3) {
  3031. b43_radio_mask(dev, 0x09, ~0x2);
  3032. b43_radio_write(dev, 0x204D, 0);
  3033. b43_radio_write(dev, 0x2053, 0);
  3034. b43_radio_write(dev, 0x2058, 0);
  3035. b43_radio_write(dev, 0x205E, 0);
  3036. b43_radio_mask(dev, 0x2062, ~0xF0);
  3037. b43_radio_write(dev, 0x2064, 0);
  3038. b43_radio_write(dev, 0x304D, 0);
  3039. b43_radio_write(dev, 0x3053, 0);
  3040. b43_radio_write(dev, 0x3058, 0);
  3041. b43_radio_write(dev, 0x305E, 0);
  3042. b43_radio_mask(dev, 0x3062, ~0xF0);
  3043. b43_radio_write(dev, 0x3064, 0);
  3044. }
  3045. } else {
  3046. if (dev->phy.rev >= 3) {
  3047. b43_radio_init2056(dev);
  3048. b43_nphy_set_chanspec(dev, nphy->radio_chanspec);
  3049. } else {
  3050. b43_radio_init2055(dev);
  3051. }
  3052. }
  3053. }
  3054. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  3055. {
  3056. b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
  3057. on ? 0 : 0x7FFF);
  3058. }
  3059. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  3060. unsigned int new_channel)
  3061. {
  3062. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3063. if ((new_channel < 1) || (new_channel > 14))
  3064. return -EINVAL;
  3065. } else {
  3066. if (new_channel > 200)
  3067. return -EINVAL;
  3068. }
  3069. return nphy_channel_switch(dev, new_channel);
  3070. }
  3071. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  3072. {
  3073. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3074. return 1;
  3075. return 36;
  3076. }
  3077. const struct b43_phy_operations b43_phyops_n = {
  3078. .allocate = b43_nphy_op_allocate,
  3079. .free = b43_nphy_op_free,
  3080. .prepare_structs = b43_nphy_op_prepare_structs,
  3081. .init = b43_nphy_op_init,
  3082. .phy_read = b43_nphy_op_read,
  3083. .phy_write = b43_nphy_op_write,
  3084. .radio_read = b43_nphy_op_radio_read,
  3085. .radio_write = b43_nphy_op_radio_write,
  3086. .software_rfkill = b43_nphy_op_software_rfkill,
  3087. .switch_analog = b43_nphy_op_switch_analog,
  3088. .switch_channel = b43_nphy_op_switch_channel,
  3089. .get_default_chan = b43_nphy_op_get_default_chan,
  3090. .recalc_txpower = b43_nphy_op_recalc_txpower,
  3091. .adjust_txpower = b43_nphy_op_adjust_txpower,
  3092. };