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,
  446. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  447. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  448. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  449. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  450. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  451. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  452. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  453. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  454. if (core == 0) {
  455. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  456. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  457. } else {
  458. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  459. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  460. }
  461. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  462. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  463. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  464. if (core == 0) {
  465. rxval = 1;
  466. txval = 8;
  467. } else {
  468. rxval = 4;
  469. txval = 2;
  470. }
  471. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  472. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  473. }
  474. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  475. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  476. {
  477. int i;
  478. s32 iq;
  479. u32 ii;
  480. u32 qq;
  481. int iq_nbits, qq_nbits;
  482. int arsh, brsh;
  483. u16 tmp, a, b;
  484. struct nphy_iq_est est;
  485. struct b43_phy_n_iq_comp old;
  486. struct b43_phy_n_iq_comp new = { };
  487. bool error = false;
  488. if (mask == 0)
  489. return;
  490. b43_nphy_rx_iq_coeffs(dev, false, &old);
  491. b43_nphy_rx_iq_coeffs(dev, true, &new);
  492. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  493. new = old;
  494. for (i = 0; i < 2; i++) {
  495. if (i == 0 && (mask & 1)) {
  496. iq = est.iq0_prod;
  497. ii = est.i0_pwr;
  498. qq = est.q0_pwr;
  499. } else if (i == 1 && (mask & 2)) {
  500. iq = est.iq1_prod;
  501. ii = est.i1_pwr;
  502. qq = est.q1_pwr;
  503. } else {
  504. B43_WARN_ON(1);
  505. continue;
  506. }
  507. if (ii + qq < 2) {
  508. error = true;
  509. break;
  510. }
  511. iq_nbits = fls(abs(iq));
  512. qq_nbits = fls(qq);
  513. arsh = iq_nbits - 20;
  514. if (arsh >= 0) {
  515. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  516. tmp = ii >> arsh;
  517. } else {
  518. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  519. tmp = ii << -arsh;
  520. }
  521. if (tmp == 0) {
  522. error = true;
  523. break;
  524. }
  525. a /= tmp;
  526. brsh = qq_nbits - 11;
  527. if (brsh >= 0) {
  528. b = (qq << (31 - qq_nbits));
  529. tmp = ii >> brsh;
  530. } else {
  531. b = (qq << (31 - qq_nbits));
  532. tmp = ii << -brsh;
  533. }
  534. if (tmp == 0) {
  535. error = true;
  536. break;
  537. }
  538. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  539. if (i == 0 && (mask & 0x1)) {
  540. if (dev->phy.rev >= 3) {
  541. new.a0 = a & 0x3FF;
  542. new.b0 = b & 0x3FF;
  543. } else {
  544. new.a0 = b & 0x3FF;
  545. new.b0 = a & 0x3FF;
  546. }
  547. } else if (i == 1 && (mask & 0x2)) {
  548. if (dev->phy.rev >= 3) {
  549. new.a1 = a & 0x3FF;
  550. new.b1 = b & 0x3FF;
  551. } else {
  552. new.a1 = b & 0x3FF;
  553. new.b1 = a & 0x3FF;
  554. }
  555. }
  556. }
  557. if (error)
  558. new = old;
  559. b43_nphy_rx_iq_coeffs(dev, true, &new);
  560. }
  561. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  562. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  563. {
  564. u16 array[4];
  565. int i;
  566. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
  567. for (i = 0; i < 4; i++)
  568. array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
  569. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  570. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  571. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  572. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  573. }
  574. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  575. static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  576. {
  577. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  578. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  579. }
  580. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  581. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  582. {
  583. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  584. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  585. }
  586. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  587. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  588. {
  589. if (dev->phy.rev >= 3) {
  590. if (!init)
  591. return;
  592. if (0 /* FIXME */) {
  593. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  594. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  595. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  596. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  597. }
  598. } else {
  599. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  600. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  601. ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
  602. 0xFC00);
  603. b43_write32(dev, B43_MMIO_MACCTL,
  604. b43_read32(dev, B43_MMIO_MACCTL) &
  605. ~B43_MACCTL_GPOUTSMSK);
  606. b43_write16(dev, B43_MMIO_GPIO_MASK,
  607. b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
  608. b43_write16(dev, B43_MMIO_GPIO_CONTROL,
  609. b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
  610. if (init) {
  611. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  612. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  613. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  614. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  615. }
  616. }
  617. }
  618. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  619. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  620. {
  621. u16 tmp;
  622. if (dev->dev->id.revision == 16)
  623. b43_mac_suspend(dev);
  624. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  625. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  626. B43_NPHY_CLASSCTL_WAITEDEN);
  627. tmp &= ~mask;
  628. tmp |= (val & mask);
  629. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  630. if (dev->dev->id.revision == 16)
  631. b43_mac_enable(dev);
  632. return tmp;
  633. }
  634. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  635. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  636. {
  637. struct b43_phy *phy = &dev->phy;
  638. struct b43_phy_n *nphy = phy->n;
  639. if (enable) {
  640. u16 clip[] = { 0xFFFF, 0xFFFF };
  641. if (nphy->deaf_count++ == 0) {
  642. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  643. b43_nphy_classifier(dev, 0x7, 0);
  644. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  645. b43_nphy_write_clip_detection(dev, clip);
  646. }
  647. b43_nphy_reset_cca(dev);
  648. } else {
  649. if (--nphy->deaf_count == 0) {
  650. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  651. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  652. }
  653. }
  654. }
  655. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  656. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  657. {
  658. struct b43_phy_n *nphy = dev->phy.n;
  659. u16 tmp;
  660. if (nphy->hang_avoid)
  661. b43_nphy_stay_in_carrier_search(dev, 1);
  662. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  663. if (tmp & 0x1)
  664. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  665. else if (tmp & 0x2)
  666. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  667. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  668. if (nphy->bb_mult_save & 0x80000000) {
  669. tmp = nphy->bb_mult_save & 0xFFFF;
  670. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  671. nphy->bb_mult_save = 0;
  672. }
  673. if (nphy->hang_avoid)
  674. b43_nphy_stay_in_carrier_search(dev, 0);
  675. }
  676. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  677. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  678. {
  679. struct b43_phy_n *nphy = dev->phy.n;
  680. u8 channel = nphy->radio_chanspec.channel;
  681. int tone[2] = { 57, 58 };
  682. u32 noise[2] = { 0x3FF, 0x3FF };
  683. B43_WARN_ON(dev->phy.rev < 3);
  684. if (nphy->hang_avoid)
  685. b43_nphy_stay_in_carrier_search(dev, 1);
  686. if (nphy->gband_spurwar_en) {
  687. /* TODO: N PHY Adjust Analog Pfbw (7) */
  688. if (channel == 11 && dev->phy.is_40mhz)
  689. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  690. else
  691. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  692. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  693. }
  694. if (nphy->aband_spurwar_en) {
  695. if (channel == 54) {
  696. tone[0] = 0x20;
  697. noise[0] = 0x25F;
  698. } else if (channel == 38 || channel == 102 || channel == 118) {
  699. if (0 /* FIXME */) {
  700. tone[0] = 0x20;
  701. noise[0] = 0x21F;
  702. } else {
  703. tone[0] = 0;
  704. noise[0] = 0;
  705. }
  706. } else if (channel == 134) {
  707. tone[0] = 0x20;
  708. noise[0] = 0x21F;
  709. } else if (channel == 151) {
  710. tone[0] = 0x10;
  711. noise[0] = 0x23F;
  712. } else if (channel == 153 || channel == 161) {
  713. tone[0] = 0x30;
  714. noise[0] = 0x23F;
  715. } else {
  716. tone[0] = 0;
  717. noise[0] = 0;
  718. }
  719. if (!tone[0] && !noise[0])
  720. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  721. else
  722. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  723. }
  724. if (nphy->hang_avoid)
  725. b43_nphy_stay_in_carrier_search(dev, 0);
  726. }
  727. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  728. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  729. {
  730. struct b43_phy_n *nphy = dev->phy.n;
  731. u8 i;
  732. s16 tmp;
  733. u16 data[4];
  734. s16 gain[2];
  735. u16 minmax[2];
  736. u16 lna_gain[4] = { -2, 10, 19, 25 };
  737. if (nphy->hang_avoid)
  738. b43_nphy_stay_in_carrier_search(dev, 1);
  739. if (nphy->gain_boost) {
  740. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  741. gain[0] = 6;
  742. gain[1] = 6;
  743. } else {
  744. tmp = 40370 - 315 * nphy->radio_chanspec.channel;
  745. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  746. tmp = 23242 - 224 * nphy->radio_chanspec.channel;
  747. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  748. }
  749. } else {
  750. gain[0] = 0;
  751. gain[1] = 0;
  752. }
  753. for (i = 0; i < 2; i++) {
  754. if (nphy->elna_gain_config) {
  755. data[0] = 19 + gain[i];
  756. data[1] = 25 + gain[i];
  757. data[2] = 25 + gain[i];
  758. data[3] = 25 + gain[i];
  759. } else {
  760. data[0] = lna_gain[0] + gain[i];
  761. data[1] = lna_gain[1] + gain[i];
  762. data[2] = lna_gain[2] + gain[i];
  763. data[3] = lna_gain[3] + gain[i];
  764. }
  765. b43_ntab_write_bulk(dev, B43_NTAB16(10, 8), 4, data);
  766. minmax[i] = 23 + gain[i];
  767. }
  768. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  769. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  770. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  771. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  772. if (nphy->hang_avoid)
  773. b43_nphy_stay_in_carrier_search(dev, 0);
  774. }
  775. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  776. static void b43_nphy_gain_crtl_workarounds(struct b43_wldev *dev)
  777. {
  778. struct b43_phy_n *nphy = dev->phy.n;
  779. u8 i, j;
  780. u8 code;
  781. /* TODO: for PHY >= 3
  782. s8 *lna1_gain, *lna2_gain;
  783. u8 *gain_db, *gain_bits;
  784. u16 *rfseq_init;
  785. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  786. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  787. */
  788. u8 rfseq_events[3] = { 6, 8, 7 };
  789. u8 rfseq_delays[3] = { 10, 30, 1 };
  790. if (dev->phy.rev >= 3) {
  791. /* TODO */
  792. } else {
  793. /* Set Clip 2 detect */
  794. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  795. B43_NPHY_C1_CGAINI_CL2DETECT);
  796. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  797. B43_NPHY_C2_CGAINI_CL2DETECT);
  798. /* Set narrowband clip threshold */
  799. b43_phy_set(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  800. b43_phy_set(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  801. if (!dev->phy.is_40mhz) {
  802. /* Set dwell lengths */
  803. b43_phy_set(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  804. b43_phy_set(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  805. b43_phy_set(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  806. b43_phy_set(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  807. }
  808. /* Set wideband clip 2 threshold */
  809. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  810. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
  811. 21);
  812. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  813. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
  814. 21);
  815. if (!dev->phy.is_40mhz) {
  816. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  817. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  818. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  819. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  820. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  821. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  822. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  823. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  824. }
  825. b43_phy_set(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  826. if (nphy->gain_boost) {
  827. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  828. dev->phy.is_40mhz)
  829. code = 4;
  830. else
  831. code = 5;
  832. } else {
  833. code = dev->phy.is_40mhz ? 6 : 7;
  834. }
  835. /* Set HPVGA2 index */
  836. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
  837. ~B43_NPHY_C1_INITGAIN_HPVGA2,
  838. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  839. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
  840. ~B43_NPHY_C2_INITGAIN_HPVGA2,
  841. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  842. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  843. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  844. (code << 8 | 0x7C));
  845. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  846. (code << 8 | 0x7C));
  847. b43_nphy_adjust_lna_gain_table(dev);
  848. if (nphy->elna_gain_config) {
  849. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  850. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  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_DATALO, 0x1);
  854. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  855. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  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_DATALO, 0x1);
  859. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  860. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  861. (code << 8 | 0x74));
  862. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  863. (code << 8 | 0x74));
  864. }
  865. if (dev->phy.rev == 2) {
  866. for (i = 0; i < 4; i++) {
  867. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  868. (0x0400 * i) + 0x0020);
  869. for (j = 0; j < 21; j++)
  870. b43_phy_write(dev,
  871. B43_NPHY_TABLE_DATALO, 3 * j);
  872. }
  873. b43_nphy_set_rf_sequence(dev, 5,
  874. rfseq_events, rfseq_delays, 3);
  875. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  876. ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
  877. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  878. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  879. b43_phy_maskset(dev, B43_PHY_N(0xC5D),
  880. 0xFF80, 4);
  881. }
  882. }
  883. }
  884. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  885. static void b43_nphy_workarounds(struct b43_wldev *dev)
  886. {
  887. struct ssb_bus *bus = dev->dev->bus;
  888. struct b43_phy *phy = &dev->phy;
  889. struct b43_phy_n *nphy = phy->n;
  890. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  891. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  892. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  893. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  894. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  895. b43_nphy_classifier(dev, 1, 0);
  896. else
  897. b43_nphy_classifier(dev, 1, 1);
  898. if (nphy->hang_avoid)
  899. b43_nphy_stay_in_carrier_search(dev, 1);
  900. b43_phy_set(dev, B43_NPHY_IQFLIP,
  901. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  902. if (dev->phy.rev >= 3) {
  903. /* TODO */
  904. } else {
  905. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  906. nphy->band5g_pwrgain) {
  907. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  908. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  909. } else {
  910. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  911. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  912. }
  913. /* TODO: convert to b43_ntab_write? */
  914. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000);
  915. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  916. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010);
  917. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  918. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002);
  919. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  920. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012);
  921. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  922. if (dev->phy.rev < 2) {
  923. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008);
  924. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  925. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018);
  926. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  927. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007);
  928. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  929. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017);
  930. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  931. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006);
  932. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  933. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016);
  934. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  935. }
  936. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  937. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  938. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  939. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  940. if (bus->sprom.boardflags2_lo & 0x100 &&
  941. bus->boardinfo.type == 0x8B) {
  942. delays1[0] = 0x1;
  943. delays1[5] = 0x14;
  944. }
  945. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  946. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  947. b43_nphy_gain_crtl_workarounds(dev);
  948. if (dev->phy.rev < 2) {
  949. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  950. ; /*TODO: b43_mhf(dev, 2, 0x0010, 0x0010, 3);*/
  951. } else if (dev->phy.rev == 2) {
  952. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  953. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  954. }
  955. if (dev->phy.rev < 2)
  956. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  957. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  958. /* Set phase track alpha and beta */
  959. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  960. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  961. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  962. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  963. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  964. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  965. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  966. ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
  967. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  968. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  969. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  970. if (dev->phy.rev == 2)
  971. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  972. B43_NPHY_FINERX2_CGC_DECGC);
  973. }
  974. if (nphy->hang_avoid)
  975. b43_nphy_stay_in_carrier_search(dev, 0);
  976. }
  977. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  978. static int b43_nphy_load_samples(struct b43_wldev *dev,
  979. struct b43_c32 *samples, u16 len) {
  980. struct b43_phy_n *nphy = dev->phy.n;
  981. u16 i;
  982. u32 *data;
  983. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  984. if (!data) {
  985. b43err(dev->wl, "allocation for samples loading failed\n");
  986. return -ENOMEM;
  987. }
  988. if (nphy->hang_avoid)
  989. b43_nphy_stay_in_carrier_search(dev, 1);
  990. for (i = 0; i < len; i++) {
  991. data[i] = (samples[i].i & 0x3FF << 10);
  992. data[i] |= samples[i].q & 0x3FF;
  993. }
  994. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  995. kfree(data);
  996. if (nphy->hang_avoid)
  997. b43_nphy_stay_in_carrier_search(dev, 0);
  998. return 0;
  999. }
  1000. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  1001. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  1002. bool test)
  1003. {
  1004. int i;
  1005. u16 bw, len, rot, angle;
  1006. struct b43_c32 *samples;
  1007. bw = (dev->phy.is_40mhz) ? 40 : 20;
  1008. len = bw << 3;
  1009. if (test) {
  1010. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  1011. bw = 82;
  1012. else
  1013. bw = 80;
  1014. if (dev->phy.is_40mhz)
  1015. bw <<= 1;
  1016. len = bw << 1;
  1017. }
  1018. samples = kzalloc(len * sizeof(struct b43_c32), GFP_KERNEL);
  1019. if (!samples) {
  1020. b43err(dev->wl, "allocation for samples generation failed\n");
  1021. return 0;
  1022. }
  1023. rot = (((freq * 36) / bw) << 16) / 100;
  1024. angle = 0;
  1025. for (i = 0; i < len; i++) {
  1026. samples[i] = b43_cordic(angle);
  1027. angle += rot;
  1028. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  1029. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  1030. }
  1031. i = b43_nphy_load_samples(dev, samples, len);
  1032. kfree(samples);
  1033. return (i < 0) ? 0 : len;
  1034. }
  1035. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  1036. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  1037. u16 wait, bool iqmode, bool dac_test)
  1038. {
  1039. struct b43_phy_n *nphy = dev->phy.n;
  1040. int i;
  1041. u16 seq_mode;
  1042. u32 tmp;
  1043. if (nphy->hang_avoid)
  1044. b43_nphy_stay_in_carrier_search(dev, true);
  1045. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  1046. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  1047. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  1048. }
  1049. if (!dev->phy.is_40mhz)
  1050. tmp = 0x6464;
  1051. else
  1052. tmp = 0x4747;
  1053. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1054. if (nphy->hang_avoid)
  1055. b43_nphy_stay_in_carrier_search(dev, false);
  1056. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  1057. if (loops != 0xFFFF)
  1058. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  1059. else
  1060. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  1061. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  1062. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1063. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  1064. if (iqmode) {
  1065. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1066. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  1067. } else {
  1068. if (dac_test)
  1069. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  1070. else
  1071. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  1072. }
  1073. for (i = 0; i < 100; i++) {
  1074. if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
  1075. i = 0;
  1076. break;
  1077. }
  1078. udelay(10);
  1079. }
  1080. if (i)
  1081. b43err(dev->wl, "run samples timeout\n");
  1082. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1083. }
  1084. /*
  1085. * Transmits a known value for LO calibration
  1086. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  1087. */
  1088. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  1089. bool iqmode, bool dac_test)
  1090. {
  1091. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  1092. if (samp == 0)
  1093. return -1;
  1094. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  1095. return 0;
  1096. }
  1097. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  1098. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  1099. {
  1100. struct b43_phy_n *nphy = dev->phy.n;
  1101. int i, j;
  1102. u32 tmp;
  1103. u32 cur_real, cur_imag, real_part, imag_part;
  1104. u16 buffer[7];
  1105. if (nphy->hang_avoid)
  1106. b43_nphy_stay_in_carrier_search(dev, true);
  1107. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  1108. for (i = 0; i < 2; i++) {
  1109. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  1110. (buffer[i * 2 + 1] & 0x3FF);
  1111. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1112. (((i + 26) << 10) | 320));
  1113. for (j = 0; j < 128; j++) {
  1114. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1115. ((tmp >> 16) & 0xFFFF));
  1116. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1117. (tmp & 0xFFFF));
  1118. }
  1119. }
  1120. for (i = 0; i < 2; i++) {
  1121. tmp = buffer[5 + i];
  1122. real_part = (tmp >> 8) & 0xFF;
  1123. imag_part = (tmp & 0xFF);
  1124. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1125. (((i + 26) << 10) | 448));
  1126. if (dev->phy.rev >= 3) {
  1127. cur_real = real_part;
  1128. cur_imag = imag_part;
  1129. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  1130. }
  1131. for (j = 0; j < 128; j++) {
  1132. if (dev->phy.rev < 3) {
  1133. cur_real = (real_part * loscale[j] + 128) >> 8;
  1134. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  1135. tmp = ((cur_real & 0xFF) << 8) |
  1136. (cur_imag & 0xFF);
  1137. }
  1138. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1139. ((tmp >> 16) & 0xFFFF));
  1140. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1141. (tmp & 0xFFFF));
  1142. }
  1143. }
  1144. if (dev->phy.rev >= 3) {
  1145. b43_shm_write16(dev, B43_SHM_SHARED,
  1146. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  1147. b43_shm_write16(dev, B43_SHM_SHARED,
  1148. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  1149. }
  1150. if (nphy->hang_avoid)
  1151. b43_nphy_stay_in_carrier_search(dev, false);
  1152. }
  1153. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  1154. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  1155. u8 *events, u8 *delays, u8 length)
  1156. {
  1157. struct b43_phy_n *nphy = dev->phy.n;
  1158. u8 i;
  1159. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  1160. u16 offset1 = cmd << 4;
  1161. u16 offset2 = offset1 + 0x80;
  1162. if (nphy->hang_avoid)
  1163. b43_nphy_stay_in_carrier_search(dev, true);
  1164. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  1165. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  1166. for (i = length; i < 16; i++) {
  1167. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  1168. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  1169. }
  1170. if (nphy->hang_avoid)
  1171. b43_nphy_stay_in_carrier_search(dev, false);
  1172. }
  1173. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  1174. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  1175. enum b43_nphy_rf_sequence seq)
  1176. {
  1177. static const u16 trigger[] = {
  1178. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  1179. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  1180. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  1181. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  1182. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  1183. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  1184. };
  1185. int i;
  1186. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1187. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  1188. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  1189. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  1190. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  1191. for (i = 0; i < 200; i++) {
  1192. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  1193. goto ok;
  1194. msleep(1);
  1195. }
  1196. b43err(dev->wl, "RF sequence status timeout\n");
  1197. ok:
  1198. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1199. }
  1200. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  1201. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  1202. u16 value, u8 core, bool off)
  1203. {
  1204. int i;
  1205. u8 index = fls(field);
  1206. u8 addr, en_addr, val_addr;
  1207. /* we expect only one bit set */
  1208. B43_WARN_ON(field & (~(1 << (index - 1))));
  1209. if (dev->phy.rev >= 3) {
  1210. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  1211. for (i = 0; i < 2; i++) {
  1212. if (index == 0 || index == 16) {
  1213. b43err(dev->wl,
  1214. "Unsupported RF Ctrl Override call\n");
  1215. return;
  1216. }
  1217. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  1218. en_addr = B43_PHY_N((i == 0) ?
  1219. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  1220. val_addr = B43_PHY_N((i == 0) ?
  1221. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  1222. if (off) {
  1223. b43_phy_mask(dev, en_addr, ~(field));
  1224. b43_phy_mask(dev, val_addr,
  1225. ~(rf_ctrl->val_mask));
  1226. } else {
  1227. if (core == 0 || ((1 << core) & i) != 0) {
  1228. b43_phy_set(dev, en_addr, field);
  1229. b43_phy_maskset(dev, val_addr,
  1230. ~(rf_ctrl->val_mask),
  1231. (value << rf_ctrl->val_shift));
  1232. }
  1233. }
  1234. }
  1235. } else {
  1236. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  1237. if (off) {
  1238. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  1239. value = 0;
  1240. } else {
  1241. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  1242. }
  1243. for (i = 0; i < 2; i++) {
  1244. if (index <= 1 || index == 16) {
  1245. b43err(dev->wl,
  1246. "Unsupported RF Ctrl Override call\n");
  1247. return;
  1248. }
  1249. if (index == 2 || index == 10 ||
  1250. (index >= 13 && index <= 15)) {
  1251. core = 1;
  1252. }
  1253. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  1254. addr = B43_PHY_N((i == 0) ?
  1255. rf_ctrl->addr0 : rf_ctrl->addr1);
  1256. if ((core & (1 << i)) != 0)
  1257. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  1258. (value << rf_ctrl->shift));
  1259. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1260. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1261. B43_NPHY_RFCTL_CMD_START);
  1262. udelay(1);
  1263. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  1264. }
  1265. }
  1266. }
  1267. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  1268. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  1269. u16 value, u8 core)
  1270. {
  1271. u8 i, j;
  1272. u16 reg, tmp, val;
  1273. B43_WARN_ON(dev->phy.rev < 3);
  1274. B43_WARN_ON(field > 4);
  1275. for (i = 0; i < 2; i++) {
  1276. if ((core == 1 && i == 1) || (core == 2 && !i))
  1277. continue;
  1278. reg = (i == 0) ?
  1279. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  1280. b43_phy_mask(dev, reg, 0xFBFF);
  1281. switch (field) {
  1282. case 0:
  1283. b43_phy_write(dev, reg, 0);
  1284. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1285. break;
  1286. case 1:
  1287. if (!i) {
  1288. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  1289. 0xFC3F, (value << 6));
  1290. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  1291. 0xFFFE, 1);
  1292. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1293. B43_NPHY_RFCTL_CMD_START);
  1294. for (j = 0; j < 100; j++) {
  1295. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
  1296. j = 0;
  1297. break;
  1298. }
  1299. udelay(10);
  1300. }
  1301. if (j)
  1302. b43err(dev->wl,
  1303. "intc override timeout\n");
  1304. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  1305. 0xFFFE);
  1306. } else {
  1307. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  1308. 0xFC3F, (value << 6));
  1309. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1310. 0xFFFE, 1);
  1311. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1312. B43_NPHY_RFCTL_CMD_RXTX);
  1313. for (j = 0; j < 100; j++) {
  1314. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
  1315. j = 0;
  1316. break;
  1317. }
  1318. udelay(10);
  1319. }
  1320. if (j)
  1321. b43err(dev->wl,
  1322. "intc override timeout\n");
  1323. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1324. 0xFFFE);
  1325. }
  1326. break;
  1327. case 2:
  1328. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1329. tmp = 0x0020;
  1330. val = value << 5;
  1331. } else {
  1332. tmp = 0x0010;
  1333. val = value << 4;
  1334. }
  1335. b43_phy_maskset(dev, reg, ~tmp, val);
  1336. break;
  1337. case 3:
  1338. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1339. tmp = 0x0001;
  1340. val = value;
  1341. } else {
  1342. tmp = 0x0004;
  1343. val = value << 2;
  1344. }
  1345. b43_phy_maskset(dev, reg, ~tmp, val);
  1346. break;
  1347. case 4:
  1348. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1349. tmp = 0x0002;
  1350. val = value << 1;
  1351. } else {
  1352. tmp = 0x0008;
  1353. val = value << 3;
  1354. }
  1355. b43_phy_maskset(dev, reg, ~tmp, val);
  1356. break;
  1357. }
  1358. }
  1359. }
  1360. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  1361. {
  1362. unsigned int i;
  1363. u16 val;
  1364. val = 0x1E1F;
  1365. for (i = 0; i < 14; i++) {
  1366. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  1367. val -= 0x202;
  1368. }
  1369. val = 0x3E3F;
  1370. for (i = 0; i < 16; i++) {
  1371. b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val);
  1372. val -= 0x202;
  1373. }
  1374. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  1375. }
  1376. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  1377. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  1378. s8 offset, u8 core, u8 rail, u8 type)
  1379. {
  1380. u16 tmp;
  1381. bool core1or5 = (core == 1) || (core == 5);
  1382. bool core2or5 = (core == 2) || (core == 5);
  1383. offset = clamp_val(offset, -32, 31);
  1384. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  1385. if (core1or5 && (rail == 0) && (type == 2))
  1386. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  1387. if (core1or5 && (rail == 1) && (type == 2))
  1388. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  1389. if (core2or5 && (rail == 0) && (type == 2))
  1390. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  1391. if (core2or5 && (rail == 1) && (type == 2))
  1392. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  1393. if (core1or5 && (rail == 0) && (type == 0))
  1394. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  1395. if (core1or5 && (rail == 1) && (type == 0))
  1396. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  1397. if (core2or5 && (rail == 0) && (type == 0))
  1398. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  1399. if (core2or5 && (rail == 1) && (type == 0))
  1400. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  1401. if (core1or5 && (rail == 0) && (type == 1))
  1402. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  1403. if (core1or5 && (rail == 1) && (type == 1))
  1404. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  1405. if (core2or5 && (rail == 0) && (type == 1))
  1406. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  1407. if (core2or5 && (rail == 1) && (type == 1))
  1408. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  1409. if (core1or5 && (rail == 0) && (type == 6))
  1410. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  1411. if (core1or5 && (rail == 1) && (type == 6))
  1412. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  1413. if (core2or5 && (rail == 0) && (type == 6))
  1414. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  1415. if (core2or5 && (rail == 1) && (type == 6))
  1416. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  1417. if (core1or5 && (rail == 0) && (type == 3))
  1418. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  1419. if (core1or5 && (rail == 1) && (type == 3))
  1420. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  1421. if (core2or5 && (rail == 0) && (type == 3))
  1422. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  1423. if (core2or5 && (rail == 1) && (type == 3))
  1424. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  1425. if (core1or5 && (type == 4))
  1426. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  1427. if (core2or5 && (type == 4))
  1428. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  1429. if (core1or5 && (type == 5))
  1430. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  1431. if (core2or5 && (type == 5))
  1432. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  1433. }
  1434. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1435. {
  1436. u16 val;
  1437. if (type < 3)
  1438. val = 0;
  1439. else if (type == 6)
  1440. val = 1;
  1441. else if (type == 3)
  1442. val = 2;
  1443. else
  1444. val = 3;
  1445. val = (val << 12) | (val << 14);
  1446. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  1447. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  1448. if (type < 3) {
  1449. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  1450. (type + 1) << 4);
  1451. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  1452. (type + 1) << 4);
  1453. }
  1454. /* TODO use some definitions */
  1455. if (code == 0) {
  1456. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0);
  1457. if (type < 3) {
  1458. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0);
  1459. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0);
  1460. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0);
  1461. udelay(20);
  1462. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1463. }
  1464. } else {
  1465. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF,
  1466. 0x3000);
  1467. if (type < 3) {
  1468. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1469. 0xFEC7, 0x0180);
  1470. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1471. 0xEFDC, (code << 1 | 0x1021));
  1472. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1);
  1473. udelay(20);
  1474. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1475. }
  1476. }
  1477. }
  1478. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1479. {
  1480. struct b43_phy_n *nphy = dev->phy.n;
  1481. u8 i;
  1482. u16 reg, val;
  1483. if (code == 0) {
  1484. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  1485. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  1486. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  1487. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  1488. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  1489. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  1490. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  1491. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  1492. } else {
  1493. for (i = 0; i < 2; i++) {
  1494. if ((code == 1 && i == 1) || (code == 2 && !i))
  1495. continue;
  1496. reg = (i == 0) ?
  1497. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  1498. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  1499. if (type < 3) {
  1500. reg = (i == 0) ?
  1501. B43_NPHY_AFECTL_C1 :
  1502. B43_NPHY_AFECTL_C2;
  1503. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  1504. reg = (i == 0) ?
  1505. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  1506. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  1507. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  1508. if (type == 0)
  1509. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  1510. else if (type == 1)
  1511. val = 16;
  1512. else
  1513. val = 32;
  1514. b43_phy_set(dev, reg, val);
  1515. reg = (i == 0) ?
  1516. B43_NPHY_TXF_40CO_B1S0 :
  1517. B43_NPHY_TXF_40CO_B32S1;
  1518. b43_phy_set(dev, reg, 0x0020);
  1519. } else {
  1520. if (type == 6)
  1521. val = 0x0100;
  1522. else if (type == 3)
  1523. val = 0x0200;
  1524. else
  1525. val = 0x0300;
  1526. reg = (i == 0) ?
  1527. B43_NPHY_AFECTL_C1 :
  1528. B43_NPHY_AFECTL_C2;
  1529. b43_phy_maskset(dev, reg, 0xFCFF, val);
  1530. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  1531. if (type != 3 && type != 6) {
  1532. enum ieee80211_band band =
  1533. b43_current_band(dev->wl);
  1534. if ((nphy->ipa2g_on &&
  1535. band == IEEE80211_BAND_2GHZ) ||
  1536. (nphy->ipa5g_on &&
  1537. band == IEEE80211_BAND_5GHZ))
  1538. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  1539. else
  1540. val = 0x11;
  1541. reg = (i == 0) ? 0x2000 : 0x3000;
  1542. reg |= B2055_PADDRV;
  1543. b43_radio_write16(dev, reg, val);
  1544. reg = (i == 0) ?
  1545. B43_NPHY_AFECTL_OVER1 :
  1546. B43_NPHY_AFECTL_OVER;
  1547. b43_phy_set(dev, reg, 0x0200);
  1548. }
  1549. }
  1550. }
  1551. }
  1552. }
  1553. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1554. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1555. {
  1556. if (dev->phy.rev >= 3)
  1557. b43_nphy_rev3_rssi_select(dev, code, type);
  1558. else
  1559. b43_nphy_rev2_rssi_select(dev, code, type);
  1560. }
  1561. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1562. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1563. {
  1564. int i;
  1565. for (i = 0; i < 2; i++) {
  1566. if (type == 2) {
  1567. if (i == 0) {
  1568. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1569. 0xFC, buf[0]);
  1570. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1571. 0xFC, buf[1]);
  1572. } else {
  1573. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1574. 0xFC, buf[2 * i]);
  1575. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1576. 0xFC, buf[2 * i + 1]);
  1577. }
  1578. } else {
  1579. if (i == 0)
  1580. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1581. 0xF3, buf[0] << 2);
  1582. else
  1583. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1584. 0xF3, buf[2 * i + 1] << 2);
  1585. }
  1586. }
  1587. }
  1588. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1589. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1590. u8 nsamp)
  1591. {
  1592. int i;
  1593. int out;
  1594. u16 save_regs_phy[9];
  1595. u16 s[2];
  1596. if (dev->phy.rev >= 3) {
  1597. save_regs_phy[0] = b43_phy_read(dev,
  1598. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1599. save_regs_phy[1] = b43_phy_read(dev,
  1600. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1601. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1602. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1603. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1604. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1605. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1606. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1607. }
  1608. b43_nphy_rssi_select(dev, 5, type);
  1609. if (dev->phy.rev < 2) {
  1610. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1611. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1612. }
  1613. for (i = 0; i < 4; i++)
  1614. buf[i] = 0;
  1615. for (i = 0; i < nsamp; i++) {
  1616. if (dev->phy.rev < 2) {
  1617. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1618. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1619. } else {
  1620. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1621. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1622. }
  1623. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1624. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1625. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1626. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1627. }
  1628. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1629. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1630. if (dev->phy.rev < 2)
  1631. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1632. if (dev->phy.rev >= 3) {
  1633. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1634. save_regs_phy[0]);
  1635. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1636. save_regs_phy[1]);
  1637. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
  1638. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
  1639. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1640. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1641. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1642. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1643. }
  1644. return out;
  1645. }
  1646. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1647. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1648. {
  1649. int i, j;
  1650. u8 state[4];
  1651. u8 code, val;
  1652. u16 class, override;
  1653. u8 regs_save_radio[2];
  1654. u16 regs_save_phy[2];
  1655. s8 offset[4];
  1656. u16 clip_state[2];
  1657. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1658. s32 results_min[4] = { };
  1659. u8 vcm_final[4] = { };
  1660. s32 results[4][4] = { };
  1661. s32 miniq[4][2] = { };
  1662. if (type == 2) {
  1663. code = 0;
  1664. val = 6;
  1665. } else if (type < 2) {
  1666. code = 25;
  1667. val = 4;
  1668. } else {
  1669. B43_WARN_ON(1);
  1670. return;
  1671. }
  1672. class = b43_nphy_classifier(dev, 0, 0);
  1673. b43_nphy_classifier(dev, 7, 4);
  1674. b43_nphy_read_clip_detection(dev, clip_state);
  1675. b43_nphy_write_clip_detection(dev, clip_off);
  1676. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1677. override = 0x140;
  1678. else
  1679. override = 0x110;
  1680. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1681. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1682. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1683. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1684. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1685. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1686. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1687. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1688. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1689. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1690. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1691. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1692. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1693. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1694. b43_nphy_rssi_select(dev, 5, type);
  1695. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1696. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1697. for (i = 0; i < 4; i++) {
  1698. u8 tmp[4];
  1699. for (j = 0; j < 4; j++)
  1700. tmp[j] = i;
  1701. if (type != 1)
  1702. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1703. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1704. if (type < 2)
  1705. for (j = 0; j < 2; j++)
  1706. miniq[i][j] = min(results[i][2 * j],
  1707. results[i][2 * j + 1]);
  1708. }
  1709. for (i = 0; i < 4; i++) {
  1710. s32 mind = 40;
  1711. u8 minvcm = 0;
  1712. s32 minpoll = 249;
  1713. s32 curr;
  1714. for (j = 0; j < 4; j++) {
  1715. if (type == 2)
  1716. curr = abs(results[j][i]);
  1717. else
  1718. curr = abs(miniq[j][i / 2] - code * 8);
  1719. if (curr < mind) {
  1720. mind = curr;
  1721. minvcm = j;
  1722. }
  1723. if (results[j][i] < minpoll)
  1724. minpoll = results[j][i];
  1725. }
  1726. results_min[i] = minpoll;
  1727. vcm_final[i] = minvcm;
  1728. }
  1729. if (type != 1)
  1730. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1731. for (i = 0; i < 4; i++) {
  1732. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1733. if (offset[i] < 0)
  1734. offset[i] = -((abs(offset[i]) + 4) / 8);
  1735. else
  1736. offset[i] = (offset[i] + 4) / 8;
  1737. if (results_min[i] == 248)
  1738. offset[i] = code - 32;
  1739. if (i % 2 == 0)
  1740. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0,
  1741. type);
  1742. else
  1743. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1,
  1744. type);
  1745. }
  1746. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1747. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]);
  1748. switch (state[2]) {
  1749. case 1:
  1750. b43_nphy_rssi_select(dev, 1, 2);
  1751. break;
  1752. case 4:
  1753. b43_nphy_rssi_select(dev, 1, 0);
  1754. break;
  1755. case 2:
  1756. b43_nphy_rssi_select(dev, 1, 1);
  1757. break;
  1758. default:
  1759. b43_nphy_rssi_select(dev, 1, 1);
  1760. break;
  1761. }
  1762. switch (state[3]) {
  1763. case 1:
  1764. b43_nphy_rssi_select(dev, 2, 2);
  1765. break;
  1766. case 4:
  1767. b43_nphy_rssi_select(dev, 2, 0);
  1768. break;
  1769. default:
  1770. b43_nphy_rssi_select(dev, 2, 1);
  1771. break;
  1772. }
  1773. b43_nphy_rssi_select(dev, 0, type);
  1774. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1775. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1776. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1777. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1778. b43_nphy_classifier(dev, 7, class);
  1779. b43_nphy_write_clip_detection(dev, clip_state);
  1780. }
  1781. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1782. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1783. {
  1784. /* TODO */
  1785. }
  1786. /*
  1787. * RSSI Calibration
  1788. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1789. */
  1790. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1791. {
  1792. if (dev->phy.rev >= 3) {
  1793. b43_nphy_rev3_rssi_cal(dev);
  1794. } else {
  1795. b43_nphy_rev2_rssi_cal(dev, 2);
  1796. b43_nphy_rev2_rssi_cal(dev, 0);
  1797. b43_nphy_rev2_rssi_cal(dev, 1);
  1798. }
  1799. }
  1800. /*
  1801. * Restore RSSI Calibration
  1802. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  1803. */
  1804. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  1805. {
  1806. struct b43_phy_n *nphy = dev->phy.n;
  1807. u16 *rssical_radio_regs = NULL;
  1808. u16 *rssical_phy_regs = NULL;
  1809. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1810. if (b43_empty_chanspec(&nphy->rssical_chanspec_2G))
  1811. return;
  1812. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1813. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1814. } else {
  1815. if (b43_empty_chanspec(&nphy->rssical_chanspec_5G))
  1816. return;
  1817. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1818. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1819. }
  1820. /* TODO use some definitions */
  1821. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  1822. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  1823. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  1824. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  1825. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  1826. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  1827. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  1828. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  1829. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  1830. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  1831. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  1832. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  1833. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  1834. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  1835. }
  1836. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
  1837. static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
  1838. {
  1839. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1840. if (dev->phy.rev >= 6) {
  1841. /* TODO If the chip is 47162
  1842. return txpwrctrl_tx_gain_ipa_rev5 */
  1843. return txpwrctrl_tx_gain_ipa_rev6;
  1844. } else if (dev->phy.rev >= 5) {
  1845. return txpwrctrl_tx_gain_ipa_rev5;
  1846. } else {
  1847. return txpwrctrl_tx_gain_ipa;
  1848. }
  1849. } else {
  1850. return txpwrctrl_tx_gain_ipa_5g;
  1851. }
  1852. }
  1853. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  1854. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  1855. {
  1856. struct b43_phy_n *nphy = dev->phy.n;
  1857. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  1858. u16 tmp;
  1859. u8 offset, i;
  1860. if (dev->phy.rev >= 3) {
  1861. for (i = 0; i < 2; i++) {
  1862. tmp = (i == 0) ? 0x2000 : 0x3000;
  1863. offset = i * 11;
  1864. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  1865. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  1866. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  1867. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  1868. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  1869. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  1870. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  1871. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  1872. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  1873. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  1874. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  1875. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1876. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  1877. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1878. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1879. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1880. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1881. if (nphy->ipa5g_on) {
  1882. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  1883. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  1884. } else {
  1885. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1886. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  1887. }
  1888. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1889. } else {
  1890. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  1891. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1892. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1893. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1894. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1895. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  1896. if (nphy->ipa2g_on) {
  1897. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  1898. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  1899. (dev->phy.rev < 5) ? 0x11 : 0x01);
  1900. } else {
  1901. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1902. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1903. }
  1904. }
  1905. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  1906. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  1907. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  1908. }
  1909. } else {
  1910. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  1911. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  1912. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  1913. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  1914. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  1915. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  1916. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  1917. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  1918. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  1919. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  1920. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  1921. B43_NPHY_BANDCTL_5GHZ)) {
  1922. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  1923. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  1924. } else {
  1925. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  1926. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  1927. }
  1928. if (dev->phy.rev < 2) {
  1929. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  1930. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  1931. } else {
  1932. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  1933. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  1934. }
  1935. }
  1936. }
  1937. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  1938. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  1939. struct nphy_txgains target,
  1940. struct nphy_iqcal_params *params)
  1941. {
  1942. int i, j, indx;
  1943. u16 gain;
  1944. if (dev->phy.rev >= 3) {
  1945. params->txgm = target.txgm[core];
  1946. params->pga = target.pga[core];
  1947. params->pad = target.pad[core];
  1948. params->ipa = target.ipa[core];
  1949. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  1950. (params->pad << 4) | (params->ipa);
  1951. for (j = 0; j < 5; j++)
  1952. params->ncorr[j] = 0x79;
  1953. } else {
  1954. gain = (target.pad[core]) | (target.pga[core] << 4) |
  1955. (target.txgm[core] << 8);
  1956. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  1957. 1 : 0;
  1958. for (i = 0; i < 9; i++)
  1959. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  1960. break;
  1961. i = min(i, 8);
  1962. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  1963. params->pga = tbl_iqcal_gainparams[indx][i][2];
  1964. params->pad = tbl_iqcal_gainparams[indx][i][3];
  1965. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  1966. (params->pad << 2);
  1967. for (j = 0; j < 4; j++)
  1968. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  1969. }
  1970. }
  1971. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  1972. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  1973. {
  1974. struct b43_phy_n *nphy = dev->phy.n;
  1975. int i;
  1976. u16 scale, entry;
  1977. u16 tmp = nphy->txcal_bbmult;
  1978. if (core == 0)
  1979. tmp >>= 8;
  1980. tmp &= 0xff;
  1981. for (i = 0; i < 18; i++) {
  1982. scale = (ladder_lo[i].percent * tmp) / 100;
  1983. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  1984. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  1985. scale = (ladder_iq[i].percent * tmp) / 100;
  1986. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  1987. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  1988. }
  1989. }
  1990. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  1991. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  1992. {
  1993. int i;
  1994. for (i = 0; i < 15; i++)
  1995. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  1996. tbl_tx_filter_coef_rev4[2][i]);
  1997. }
  1998. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  1999. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  2000. {
  2001. int i, j;
  2002. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  2003. u16 offset[] = { 0x186, 0x195, 0x2C5 };
  2004. for (i = 0; i < 3; i++)
  2005. for (j = 0; j < 15; j++)
  2006. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  2007. tbl_tx_filter_coef_rev4[i][j]);
  2008. if (dev->phy.is_40mhz) {
  2009. for (j = 0; j < 15; j++)
  2010. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2011. tbl_tx_filter_coef_rev4[3][j]);
  2012. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2013. for (j = 0; j < 15; j++)
  2014. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2015. tbl_tx_filter_coef_rev4[5][j]);
  2016. }
  2017. if (dev->phy.channel == 14)
  2018. for (j = 0; j < 15; j++)
  2019. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2020. tbl_tx_filter_coef_rev4[6][j]);
  2021. }
  2022. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  2023. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  2024. {
  2025. struct b43_phy_n *nphy = dev->phy.n;
  2026. u16 curr_gain[2];
  2027. struct nphy_txgains target;
  2028. const u32 *table = NULL;
  2029. if (nphy->txpwrctrl == 0) {
  2030. int i;
  2031. if (nphy->hang_avoid)
  2032. b43_nphy_stay_in_carrier_search(dev, true);
  2033. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  2034. if (nphy->hang_avoid)
  2035. b43_nphy_stay_in_carrier_search(dev, false);
  2036. for (i = 0; i < 2; ++i) {
  2037. if (dev->phy.rev >= 3) {
  2038. target.ipa[i] = curr_gain[i] & 0x000F;
  2039. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  2040. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  2041. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  2042. } else {
  2043. target.ipa[i] = curr_gain[i] & 0x0003;
  2044. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  2045. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  2046. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  2047. }
  2048. }
  2049. } else {
  2050. int i;
  2051. u16 index[2];
  2052. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  2053. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2054. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2055. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  2056. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2057. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2058. for (i = 0; i < 2; ++i) {
  2059. if (dev->phy.rev >= 3) {
  2060. enum ieee80211_band band =
  2061. b43_current_band(dev->wl);
  2062. if ((nphy->ipa2g_on &&
  2063. band == IEEE80211_BAND_2GHZ) ||
  2064. (nphy->ipa5g_on &&
  2065. band == IEEE80211_BAND_5GHZ)) {
  2066. table = b43_nphy_get_ipa_gain_table(dev);
  2067. } else {
  2068. if (band == IEEE80211_BAND_5GHZ) {
  2069. if (dev->phy.rev == 3)
  2070. table = b43_ntab_tx_gain_rev3_5ghz;
  2071. else if (dev->phy.rev == 4)
  2072. table = b43_ntab_tx_gain_rev4_5ghz;
  2073. else
  2074. table = b43_ntab_tx_gain_rev5plus_5ghz;
  2075. } else {
  2076. table = b43_ntab_tx_gain_rev3plus_2ghz;
  2077. }
  2078. }
  2079. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  2080. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  2081. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  2082. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  2083. } else {
  2084. table = b43_ntab_tx_gain_rev0_1_2;
  2085. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  2086. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  2087. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  2088. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  2089. }
  2090. }
  2091. }
  2092. return target;
  2093. }
  2094. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  2095. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  2096. {
  2097. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2098. if (dev->phy.rev >= 3) {
  2099. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  2100. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2101. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2102. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  2103. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  2104. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  2105. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  2106. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  2107. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  2108. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2109. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2110. b43_nphy_reset_cca(dev);
  2111. } else {
  2112. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  2113. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  2114. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2115. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  2116. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  2117. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  2118. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  2119. }
  2120. }
  2121. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  2122. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  2123. {
  2124. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2125. u16 tmp;
  2126. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2127. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2128. if (dev->phy.rev >= 3) {
  2129. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  2130. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  2131. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2132. regs[2] = tmp;
  2133. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  2134. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2135. regs[3] = tmp;
  2136. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  2137. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  2138. b43_phy_mask(dev, B43_NPHY_BBCFG,
  2139. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  2140. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  2141. regs[5] = tmp;
  2142. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  2143. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  2144. regs[6] = tmp;
  2145. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  2146. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2147. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2148. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  2149. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  2150. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  2151. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2152. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2153. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2154. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2155. } else {
  2156. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  2157. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  2158. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2159. regs[2] = tmp;
  2160. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  2161. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  2162. regs[3] = tmp;
  2163. tmp |= 0x2000;
  2164. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  2165. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  2166. regs[4] = tmp;
  2167. tmp |= 0x2000;
  2168. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  2169. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2170. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2171. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2172. tmp = 0x0180;
  2173. else
  2174. tmp = 0x0120;
  2175. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2176. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2177. }
  2178. }
  2179. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  2180. static void b43_nphy_save_cal(struct b43_wldev *dev)
  2181. {
  2182. struct b43_phy_n *nphy = dev->phy.n;
  2183. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2184. u16 *txcal_radio_regs = NULL;
  2185. struct b43_chanspec *iqcal_chanspec;
  2186. u16 *table = NULL;
  2187. if (nphy->hang_avoid)
  2188. b43_nphy_stay_in_carrier_search(dev, 1);
  2189. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2190. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2191. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2192. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  2193. table = nphy->cal_cache.txcal_coeffs_2G;
  2194. } else {
  2195. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2196. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2197. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  2198. table = nphy->cal_cache.txcal_coeffs_5G;
  2199. }
  2200. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  2201. /* TODO use some definitions */
  2202. if (dev->phy.rev >= 3) {
  2203. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  2204. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  2205. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  2206. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  2207. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  2208. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  2209. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  2210. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  2211. } else {
  2212. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  2213. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  2214. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  2215. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  2216. }
  2217. *iqcal_chanspec = nphy->radio_chanspec;
  2218. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table);
  2219. if (nphy->hang_avoid)
  2220. b43_nphy_stay_in_carrier_search(dev, 0);
  2221. }
  2222. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  2223. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  2224. {
  2225. struct b43_phy_n *nphy = dev->phy.n;
  2226. u16 coef[4];
  2227. u16 *loft = NULL;
  2228. u16 *table = NULL;
  2229. int i;
  2230. u16 *txcal_radio_regs = NULL;
  2231. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2232. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2233. if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G))
  2234. return;
  2235. table = nphy->cal_cache.txcal_coeffs_2G;
  2236. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  2237. } else {
  2238. if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G))
  2239. return;
  2240. table = nphy->cal_cache.txcal_coeffs_5G;
  2241. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  2242. }
  2243. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  2244. for (i = 0; i < 4; i++) {
  2245. if (dev->phy.rev >= 3)
  2246. table[i] = coef[i];
  2247. else
  2248. coef[i] = 0;
  2249. }
  2250. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  2251. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  2252. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  2253. if (dev->phy.rev < 2)
  2254. b43_nphy_tx_iq_workaround(dev);
  2255. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2256. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2257. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2258. } else {
  2259. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2260. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2261. }
  2262. /* TODO use some definitions */
  2263. if (dev->phy.rev >= 3) {
  2264. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  2265. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  2266. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  2267. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  2268. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  2269. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  2270. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  2271. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  2272. } else {
  2273. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  2274. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  2275. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  2276. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  2277. }
  2278. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  2279. }
  2280. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  2281. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  2282. struct nphy_txgains target,
  2283. bool full, bool mphase)
  2284. {
  2285. struct b43_phy_n *nphy = dev->phy.n;
  2286. int i;
  2287. int error = 0;
  2288. int freq;
  2289. bool avoid = false;
  2290. u8 length;
  2291. u16 tmp, core, type, count, max, numb, last, cmd;
  2292. const u16 *table;
  2293. bool phy6or5x;
  2294. u16 buffer[11];
  2295. u16 diq_start = 0;
  2296. u16 save[2];
  2297. u16 gain[2];
  2298. struct nphy_iqcal_params params[2];
  2299. bool updated[2] = { };
  2300. b43_nphy_stay_in_carrier_search(dev, true);
  2301. if (dev->phy.rev >= 4) {
  2302. avoid = nphy->hang_avoid;
  2303. nphy->hang_avoid = 0;
  2304. }
  2305. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2306. for (i = 0; i < 2; i++) {
  2307. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  2308. gain[i] = params[i].cal_gain;
  2309. }
  2310. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  2311. b43_nphy_tx_cal_radio_setup(dev);
  2312. b43_nphy_tx_cal_phy_setup(dev);
  2313. phy6or5x = dev->phy.rev >= 6 ||
  2314. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  2315. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  2316. if (phy6or5x) {
  2317. if (dev->phy.is_40mhz) {
  2318. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2319. tbl_tx_iqlo_cal_loft_ladder_40);
  2320. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2321. tbl_tx_iqlo_cal_iqimb_ladder_40);
  2322. } else {
  2323. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2324. tbl_tx_iqlo_cal_loft_ladder_20);
  2325. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2326. tbl_tx_iqlo_cal_iqimb_ladder_20);
  2327. }
  2328. }
  2329. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  2330. if (!dev->phy.is_40mhz)
  2331. freq = 2500;
  2332. else
  2333. freq = 5000;
  2334. if (nphy->mphase_cal_phase_id > 2)
  2335. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  2336. 0xFFFF, 0, true, false);
  2337. else
  2338. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  2339. if (error == 0) {
  2340. if (nphy->mphase_cal_phase_id > 2) {
  2341. table = nphy->mphase_txcal_bestcoeffs;
  2342. length = 11;
  2343. if (dev->phy.rev < 3)
  2344. length -= 2;
  2345. } else {
  2346. if (!full && nphy->txiqlocal_coeffsvalid) {
  2347. table = nphy->txiqlocal_bestc;
  2348. length = 11;
  2349. if (dev->phy.rev < 3)
  2350. length -= 2;
  2351. } else {
  2352. full = true;
  2353. if (dev->phy.rev >= 3) {
  2354. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  2355. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  2356. } else {
  2357. table = tbl_tx_iqlo_cal_startcoefs;
  2358. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  2359. }
  2360. }
  2361. }
  2362. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  2363. if (full) {
  2364. if (dev->phy.rev >= 3)
  2365. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  2366. else
  2367. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  2368. } else {
  2369. if (dev->phy.rev >= 3)
  2370. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  2371. else
  2372. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  2373. }
  2374. if (mphase) {
  2375. count = nphy->mphase_txcal_cmdidx;
  2376. numb = min(max,
  2377. (u16)(count + nphy->mphase_txcal_numcmds));
  2378. } else {
  2379. count = 0;
  2380. numb = max;
  2381. }
  2382. for (; count < numb; count++) {
  2383. if (full) {
  2384. if (dev->phy.rev >= 3)
  2385. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  2386. else
  2387. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  2388. } else {
  2389. if (dev->phy.rev >= 3)
  2390. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  2391. else
  2392. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  2393. }
  2394. core = (cmd & 0x3000) >> 12;
  2395. type = (cmd & 0x0F00) >> 8;
  2396. if (phy6or5x && updated[core] == 0) {
  2397. b43_nphy_update_tx_cal_ladder(dev, core);
  2398. updated[core] = 1;
  2399. }
  2400. tmp = (params[core].ncorr[type] << 8) | 0x66;
  2401. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  2402. if (type == 1 || type == 3 || type == 4) {
  2403. buffer[0] = b43_ntab_read(dev,
  2404. B43_NTAB16(15, 69 + core));
  2405. diq_start = buffer[0];
  2406. buffer[0] = 0;
  2407. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  2408. 0);
  2409. }
  2410. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  2411. for (i = 0; i < 2000; i++) {
  2412. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  2413. if (tmp & 0xC000)
  2414. break;
  2415. udelay(10);
  2416. }
  2417. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2418. buffer);
  2419. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  2420. buffer);
  2421. if (type == 1 || type == 3 || type == 4)
  2422. buffer[0] = diq_start;
  2423. }
  2424. if (mphase)
  2425. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  2426. last = (dev->phy.rev < 3) ? 6 : 7;
  2427. if (!mphase || nphy->mphase_cal_phase_id == last) {
  2428. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  2429. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  2430. if (dev->phy.rev < 3) {
  2431. buffer[0] = 0;
  2432. buffer[1] = 0;
  2433. buffer[2] = 0;
  2434. buffer[3] = 0;
  2435. }
  2436. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2437. buffer);
  2438. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  2439. buffer);
  2440. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2441. buffer);
  2442. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2443. buffer);
  2444. length = 11;
  2445. if (dev->phy.rev < 3)
  2446. length -= 2;
  2447. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2448. nphy->txiqlocal_bestc);
  2449. nphy->txiqlocal_coeffsvalid = true;
  2450. nphy->txiqlocal_chanspec = nphy->radio_chanspec;
  2451. } else {
  2452. length = 11;
  2453. if (dev->phy.rev < 3)
  2454. length -= 2;
  2455. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2456. nphy->mphase_txcal_bestcoeffs);
  2457. }
  2458. b43_nphy_stop_playback(dev);
  2459. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  2460. }
  2461. b43_nphy_tx_cal_phy_cleanup(dev);
  2462. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2463. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  2464. b43_nphy_tx_iq_workaround(dev);
  2465. if (dev->phy.rev >= 4)
  2466. nphy->hang_avoid = avoid;
  2467. b43_nphy_stay_in_carrier_search(dev, false);
  2468. return error;
  2469. }
  2470. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  2471. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  2472. {
  2473. struct b43_phy_n *nphy = dev->phy.n;
  2474. u8 i;
  2475. u16 buffer[7];
  2476. bool equal = true;
  2477. if (!nphy->txiqlocal_coeffsvalid ||
  2478. b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec))
  2479. return;
  2480. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  2481. for (i = 0; i < 4; i++) {
  2482. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  2483. equal = false;
  2484. break;
  2485. }
  2486. }
  2487. if (!equal) {
  2488. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  2489. nphy->txiqlocal_bestc);
  2490. for (i = 0; i < 4; i++)
  2491. buffer[i] = 0;
  2492. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2493. buffer);
  2494. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2495. &nphy->txiqlocal_bestc[5]);
  2496. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2497. &nphy->txiqlocal_bestc[5]);
  2498. }
  2499. }
  2500. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  2501. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  2502. struct nphy_txgains target, u8 type, bool debug)
  2503. {
  2504. struct b43_phy_n *nphy = dev->phy.n;
  2505. int i, j, index;
  2506. u8 rfctl[2];
  2507. u8 afectl_core;
  2508. u16 tmp[6];
  2509. u16 cur_hpf1, cur_hpf2, cur_lna;
  2510. u32 real, imag;
  2511. enum ieee80211_band band;
  2512. u8 use;
  2513. u16 cur_hpf;
  2514. u16 lna[3] = { 3, 3, 1 };
  2515. u16 hpf1[3] = { 7, 2, 0 };
  2516. u16 hpf2[3] = { 2, 0, 0 };
  2517. u32 power[3] = { };
  2518. u16 gain_save[2];
  2519. u16 cal_gain[2];
  2520. struct nphy_iqcal_params cal_params[2];
  2521. struct nphy_iq_est est;
  2522. int ret = 0;
  2523. bool playtone = true;
  2524. int desired = 13;
  2525. b43_nphy_stay_in_carrier_search(dev, 1);
  2526. if (dev->phy.rev < 2)
  2527. b43_nphy_reapply_tx_cal_coeffs(dev);
  2528. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2529. for (i = 0; i < 2; i++) {
  2530. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  2531. cal_gain[i] = cal_params[i].cal_gain;
  2532. }
  2533. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  2534. for (i = 0; i < 2; i++) {
  2535. if (i == 0) {
  2536. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  2537. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  2538. afectl_core = B43_NPHY_AFECTL_C1;
  2539. } else {
  2540. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  2541. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  2542. afectl_core = B43_NPHY_AFECTL_C2;
  2543. }
  2544. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  2545. tmp[2] = b43_phy_read(dev, afectl_core);
  2546. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2547. tmp[4] = b43_phy_read(dev, rfctl[0]);
  2548. tmp[5] = b43_phy_read(dev, rfctl[1]);
  2549. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2550. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  2551. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  2552. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  2553. (1 - i));
  2554. b43_phy_set(dev, afectl_core, 0x0006);
  2555. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  2556. band = b43_current_band(dev->wl);
  2557. if (nphy->rxcalparams & 0xFF000000) {
  2558. if (band == IEEE80211_BAND_5GHZ)
  2559. b43_phy_write(dev, rfctl[0], 0x140);
  2560. else
  2561. b43_phy_write(dev, rfctl[0], 0x110);
  2562. } else {
  2563. if (band == IEEE80211_BAND_5GHZ)
  2564. b43_phy_write(dev, rfctl[0], 0x180);
  2565. else
  2566. b43_phy_write(dev, rfctl[0], 0x120);
  2567. }
  2568. if (band == IEEE80211_BAND_5GHZ)
  2569. b43_phy_write(dev, rfctl[1], 0x148);
  2570. else
  2571. b43_phy_write(dev, rfctl[1], 0x114);
  2572. if (nphy->rxcalparams & 0x10000) {
  2573. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  2574. (i + 1));
  2575. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  2576. (2 - i));
  2577. }
  2578. for (j = 0; i < 4; j++) {
  2579. if (j < 3) {
  2580. cur_lna = lna[j];
  2581. cur_hpf1 = hpf1[j];
  2582. cur_hpf2 = hpf2[j];
  2583. } else {
  2584. if (power[1] > 10000) {
  2585. use = 1;
  2586. cur_hpf = cur_hpf1;
  2587. index = 2;
  2588. } else {
  2589. if (power[0] > 10000) {
  2590. use = 1;
  2591. cur_hpf = cur_hpf1;
  2592. index = 1;
  2593. } else {
  2594. index = 0;
  2595. use = 2;
  2596. cur_hpf = cur_hpf2;
  2597. }
  2598. }
  2599. cur_lna = lna[index];
  2600. cur_hpf1 = hpf1[index];
  2601. cur_hpf2 = hpf2[index];
  2602. cur_hpf += desired - hweight32(power[index]);
  2603. cur_hpf = clamp_val(cur_hpf, 0, 10);
  2604. if (use == 1)
  2605. cur_hpf1 = cur_hpf;
  2606. else
  2607. cur_hpf2 = cur_hpf;
  2608. }
  2609. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  2610. (cur_lna << 2));
  2611. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  2612. false);
  2613. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2614. b43_nphy_stop_playback(dev);
  2615. if (playtone) {
  2616. ret = b43_nphy_tx_tone(dev, 4000,
  2617. (nphy->rxcalparams & 0xFFFF),
  2618. false, false);
  2619. playtone = false;
  2620. } else {
  2621. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  2622. false, false);
  2623. }
  2624. if (ret == 0) {
  2625. if (j < 3) {
  2626. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  2627. false);
  2628. if (i == 0) {
  2629. real = est.i0_pwr;
  2630. imag = est.q0_pwr;
  2631. } else {
  2632. real = est.i1_pwr;
  2633. imag = est.q1_pwr;
  2634. }
  2635. power[i] = ((real + imag) / 1024) + 1;
  2636. } else {
  2637. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  2638. }
  2639. b43_nphy_stop_playback(dev);
  2640. }
  2641. if (ret != 0)
  2642. break;
  2643. }
  2644. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  2645. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  2646. b43_phy_write(dev, rfctl[1], tmp[5]);
  2647. b43_phy_write(dev, rfctl[0], tmp[4]);
  2648. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  2649. b43_phy_write(dev, afectl_core, tmp[2]);
  2650. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  2651. if (ret != 0)
  2652. break;
  2653. }
  2654. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  2655. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2656. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2657. b43_nphy_stay_in_carrier_search(dev, 0);
  2658. return ret;
  2659. }
  2660. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  2661. struct nphy_txgains target, u8 type, bool debug)
  2662. {
  2663. return -1;
  2664. }
  2665. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  2666. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  2667. struct nphy_txgains target, u8 type, bool debug)
  2668. {
  2669. if (dev->phy.rev >= 3)
  2670. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  2671. else
  2672. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  2673. }
  2674. /*
  2675. * Init N-PHY
  2676. * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
  2677. */
  2678. int b43_phy_initn(struct b43_wldev *dev)
  2679. {
  2680. struct ssb_bus *bus = dev->dev->bus;
  2681. struct b43_phy *phy = &dev->phy;
  2682. struct b43_phy_n *nphy = phy->n;
  2683. u8 tx_pwr_state;
  2684. struct nphy_txgains target;
  2685. u16 tmp;
  2686. enum ieee80211_band tmp2;
  2687. bool do_rssi_cal;
  2688. u16 clip[2];
  2689. bool do_cal = false;
  2690. if ((dev->phy.rev >= 3) &&
  2691. (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
  2692. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  2693. chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
  2694. }
  2695. nphy->deaf_count = 0;
  2696. b43_nphy_tables_init(dev);
  2697. nphy->crsminpwr_adjusted = false;
  2698. nphy->noisevars_adjusted = false;
  2699. /* Clear all overrides */
  2700. if (dev->phy.rev >= 3) {
  2701. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  2702. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2703. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  2704. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  2705. } else {
  2706. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2707. }
  2708. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  2709. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  2710. if (dev->phy.rev < 6) {
  2711. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  2712. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  2713. }
  2714. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  2715. ~(B43_NPHY_RFSEQMODE_CAOVER |
  2716. B43_NPHY_RFSEQMODE_TROVER));
  2717. if (dev->phy.rev >= 3)
  2718. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  2719. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  2720. if (dev->phy.rev <= 2) {
  2721. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  2722. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2723. ~B43_NPHY_BPHY_CTL3_SCALE,
  2724. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  2725. }
  2726. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  2727. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  2728. if (bus->sprom.boardflags2_lo & 0x100 ||
  2729. (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
  2730. bus->boardinfo.type == 0x8B))
  2731. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  2732. else
  2733. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  2734. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  2735. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  2736. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  2737. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  2738. b43_nphy_update_txrx_chain(dev);
  2739. if (phy->rev < 2) {
  2740. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  2741. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  2742. }
  2743. tmp2 = b43_current_band(dev->wl);
  2744. if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
  2745. (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
  2746. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  2747. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  2748. nphy->papd_epsilon_offset[0] << 7);
  2749. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  2750. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  2751. nphy->papd_epsilon_offset[1] << 7);
  2752. b43_nphy_int_pa_set_tx_dig_filters(dev);
  2753. } else if (phy->rev >= 5) {
  2754. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  2755. }
  2756. b43_nphy_workarounds(dev);
  2757. /* Reset CCA, in init code it differs a little from standard way */
  2758. b43_nphy_bmac_clock_fgc(dev, 1);
  2759. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  2760. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  2761. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  2762. b43_nphy_bmac_clock_fgc(dev, 0);
  2763. /* TODO N PHY MAC PHY Clock Set with argument 1 */
  2764. b43_nphy_pa_override(dev, false);
  2765. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  2766. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2767. b43_nphy_pa_override(dev, true);
  2768. b43_nphy_classifier(dev, 0, 0);
  2769. b43_nphy_read_clip_detection(dev, clip);
  2770. tx_pwr_state = nphy->txpwrctrl;
  2771. /* TODO N PHY TX power control with argument 0
  2772. (turning off power control) */
  2773. /* TODO Fix the TX Power Settings */
  2774. /* TODO N PHY TX Power Control Idle TSSI */
  2775. /* TODO N PHY TX Power Control Setup */
  2776. if (phy->rev >= 3) {
  2777. /* TODO */
  2778. } else {
  2779. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
  2780. b43_ntab_tx_gain_rev0_1_2);
  2781. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
  2782. b43_ntab_tx_gain_rev0_1_2);
  2783. }
  2784. if (nphy->phyrxchain != 3)
  2785. ;/* TODO N PHY RX Core Set State with phyrxchain as argument */
  2786. if (nphy->mphase_cal_phase_id > 0)
  2787. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  2788. do_rssi_cal = false;
  2789. if (phy->rev >= 3) {
  2790. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2791. do_rssi_cal =
  2792. b43_empty_chanspec(&nphy->rssical_chanspec_2G);
  2793. else
  2794. do_rssi_cal =
  2795. b43_empty_chanspec(&nphy->rssical_chanspec_5G);
  2796. if (do_rssi_cal)
  2797. b43_nphy_rssi_cal(dev);
  2798. else
  2799. b43_nphy_restore_rssi_cal(dev);
  2800. } else {
  2801. b43_nphy_rssi_cal(dev);
  2802. }
  2803. if (!((nphy->measure_hold & 0x6) != 0)) {
  2804. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2805. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G);
  2806. else
  2807. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G);
  2808. if (nphy->mute)
  2809. do_cal = false;
  2810. if (do_cal) {
  2811. target = b43_nphy_get_tx_gains(dev);
  2812. if (nphy->antsel_type == 2)
  2813. b43_nphy_superswitch_init(dev, true);
  2814. if (nphy->perical != 2) {
  2815. b43_nphy_rssi_cal(dev);
  2816. if (phy->rev >= 3) {
  2817. nphy->cal_orig_pwr_idx[0] =
  2818. nphy->txpwrindex[0].index_internal;
  2819. nphy->cal_orig_pwr_idx[1] =
  2820. nphy->txpwrindex[1].index_internal;
  2821. /* TODO N PHY Pre Calibrate TX Gain */
  2822. target = b43_nphy_get_tx_gains(dev);
  2823. }
  2824. }
  2825. }
  2826. }
  2827. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
  2828. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  2829. b43_nphy_save_cal(dev);
  2830. else if (nphy->mphase_cal_phase_id == 0)
  2831. ;/* N PHY Periodic Calibration with argument 3 */
  2832. } else {
  2833. b43_nphy_restore_cal(dev);
  2834. }
  2835. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  2836. /* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
  2837. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  2838. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  2839. if (phy->rev >= 3 && phy->rev <= 6)
  2840. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  2841. b43_nphy_tx_lp_fbw(dev);
  2842. if (phy->rev >= 3)
  2843. b43_nphy_spur_workaround(dev);
  2844. b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
  2845. return 0;
  2846. }
  2847. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  2848. static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
  2849. const struct b43_phy_n_sfo_cfg *e,
  2850. struct b43_chanspec chanspec)
  2851. {
  2852. struct b43_phy *phy = &dev->phy;
  2853. struct b43_phy_n *nphy = dev->phy.n;
  2854. u16 tmp;
  2855. u32 tmp32;
  2856. tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  2857. if (chanspec.b_freq == 1 && tmp == 0) {
  2858. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2859. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2860. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  2861. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2862. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  2863. } else if (chanspec.b_freq == 1) {
  2864. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  2865. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2866. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2867. b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
  2868. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2869. }
  2870. b43_chantab_phy_upload(dev, e);
  2871. tmp = chanspec.channel;
  2872. if (chanspec.b_freq == 1)
  2873. tmp |= 0x0100;
  2874. if (chanspec.b_width == 3)
  2875. tmp |= 0x0200;
  2876. b43_shm_write16(dev, B43_SHM_SHARED, 0xA0, tmp);
  2877. if (nphy->radio_chanspec.channel == 14) {
  2878. b43_nphy_classifier(dev, 2, 0);
  2879. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  2880. } else {
  2881. b43_nphy_classifier(dev, 2, 2);
  2882. if (chanspec.b_freq == 2)
  2883. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  2884. }
  2885. if (nphy->txpwrctrl)
  2886. b43_nphy_tx_power_fix(dev);
  2887. if (dev->phy.rev < 3)
  2888. b43_nphy_adjust_lna_gain_table(dev);
  2889. b43_nphy_tx_lp_fbw(dev);
  2890. if (dev->phy.rev >= 3 && 0) {
  2891. /* TODO */
  2892. }
  2893. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  2894. if (phy->rev >= 3)
  2895. b43_nphy_spur_workaround(dev);
  2896. }
  2897. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  2898. static int b43_nphy_set_chanspec(struct b43_wldev *dev,
  2899. struct b43_chanspec chanspec)
  2900. {
  2901. struct b43_phy_n *nphy = dev->phy.n;
  2902. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
  2903. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;
  2904. u8 tmp;
  2905. u8 channel = chanspec.channel;
  2906. if (dev->phy.rev >= 3) {
  2907. /* TODO */
  2908. tabent_r3 = NULL;
  2909. if (!tabent_r3)
  2910. return -ESRCH;
  2911. } else {
  2912. tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel);
  2913. if (!tabent_r2)
  2914. return -ESRCH;
  2915. }
  2916. nphy->radio_chanspec = chanspec;
  2917. if (chanspec.b_width != nphy->b_width)
  2918. ; /* TODO: BMAC BW Set (chanspec.b_width) */
  2919. /* TODO: use defines */
  2920. if (chanspec.b_width == 3) {
  2921. if (chanspec.sideband == 2)
  2922. b43_phy_set(dev, B43_NPHY_RXCTL,
  2923. B43_NPHY_RXCTL_BSELU20);
  2924. else
  2925. b43_phy_mask(dev, B43_NPHY_RXCTL,
  2926. ~B43_NPHY_RXCTL_BSELU20);
  2927. }
  2928. if (dev->phy.rev >= 3) {
  2929. tmp = (chanspec.b_freq == 1) ? 4 : 0;
  2930. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  2931. /* TODO: PHY Radio2056 Setup (dev, tabent_r3); */
  2932. b43_nphy_chanspec_setup(dev, &(tabent_r3->phy_regs), chanspec);
  2933. } else {
  2934. tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050;
  2935. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  2936. b43_radio_2055_setup(dev, tabent_r2);
  2937. b43_nphy_chanspec_setup(dev, &(tabent_r2->phy_regs), chanspec);
  2938. }
  2939. return 0;
  2940. }
  2941. /* Tune the hardware to a new channel */
  2942. static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
  2943. {
  2944. struct b43_phy_n *nphy = dev->phy.n;
  2945. struct b43_chanspec chanspec;
  2946. chanspec = nphy->radio_chanspec;
  2947. chanspec.channel = channel;
  2948. return b43_nphy_set_chanspec(dev, chanspec);
  2949. }
  2950. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  2951. {
  2952. struct b43_phy_n *nphy;
  2953. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  2954. if (!nphy)
  2955. return -ENOMEM;
  2956. dev->phy.n = nphy;
  2957. return 0;
  2958. }
  2959. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  2960. {
  2961. struct b43_phy *phy = &dev->phy;
  2962. struct b43_phy_n *nphy = phy->n;
  2963. memset(nphy, 0, sizeof(*nphy));
  2964. //TODO init struct b43_phy_n
  2965. }
  2966. static void b43_nphy_op_free(struct b43_wldev *dev)
  2967. {
  2968. struct b43_phy *phy = &dev->phy;
  2969. struct b43_phy_n *nphy = phy->n;
  2970. kfree(nphy);
  2971. phy->n = NULL;
  2972. }
  2973. static int b43_nphy_op_init(struct b43_wldev *dev)
  2974. {
  2975. return b43_phy_initn(dev);
  2976. }
  2977. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  2978. {
  2979. #if B43_DEBUG
  2980. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  2981. /* OFDM registers are onnly available on A/G-PHYs */
  2982. b43err(dev->wl, "Invalid OFDM PHY access at "
  2983. "0x%04X on N-PHY\n", offset);
  2984. dump_stack();
  2985. }
  2986. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  2987. /* Ext-G registers are only available on G-PHYs */
  2988. b43err(dev->wl, "Invalid EXT-G PHY access at "
  2989. "0x%04X on N-PHY\n", offset);
  2990. dump_stack();
  2991. }
  2992. #endif /* B43_DEBUG */
  2993. }
  2994. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  2995. {
  2996. check_phyreg(dev, reg);
  2997. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  2998. return b43_read16(dev, B43_MMIO_PHY_DATA);
  2999. }
  3000. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  3001. {
  3002. check_phyreg(dev, reg);
  3003. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  3004. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  3005. }
  3006. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  3007. {
  3008. /* Register 1 is a 32-bit register. */
  3009. B43_WARN_ON(reg == 1);
  3010. /* N-PHY needs 0x100 for read access */
  3011. reg |= 0x100;
  3012. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3013. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  3014. }
  3015. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  3016. {
  3017. /* Register 1 is a 32-bit register. */
  3018. B43_WARN_ON(reg == 1);
  3019. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3020. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  3021. }
  3022. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  3023. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  3024. bool blocked)
  3025. {
  3026. struct b43_phy_n *nphy = dev->phy.n;
  3027. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  3028. b43err(dev->wl, "MAC not suspended\n");
  3029. if (blocked) {
  3030. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  3031. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  3032. if (dev->phy.rev >= 3) {
  3033. b43_radio_mask(dev, 0x09, ~0x2);
  3034. b43_radio_write(dev, 0x204D, 0);
  3035. b43_radio_write(dev, 0x2053, 0);
  3036. b43_radio_write(dev, 0x2058, 0);
  3037. b43_radio_write(dev, 0x205E, 0);
  3038. b43_radio_mask(dev, 0x2062, ~0xF0);
  3039. b43_radio_write(dev, 0x2064, 0);
  3040. b43_radio_write(dev, 0x304D, 0);
  3041. b43_radio_write(dev, 0x3053, 0);
  3042. b43_radio_write(dev, 0x3058, 0);
  3043. b43_radio_write(dev, 0x305E, 0);
  3044. b43_radio_mask(dev, 0x3062, ~0xF0);
  3045. b43_radio_write(dev, 0x3064, 0);
  3046. }
  3047. } else {
  3048. if (dev->phy.rev >= 3) {
  3049. b43_radio_init2056(dev);
  3050. b43_nphy_set_chanspec(dev, nphy->radio_chanspec);
  3051. } else {
  3052. b43_radio_init2055(dev);
  3053. }
  3054. }
  3055. }
  3056. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  3057. {
  3058. b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
  3059. on ? 0 : 0x7FFF);
  3060. }
  3061. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  3062. unsigned int new_channel)
  3063. {
  3064. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3065. if ((new_channel < 1) || (new_channel > 14))
  3066. return -EINVAL;
  3067. } else {
  3068. if (new_channel > 200)
  3069. return -EINVAL;
  3070. }
  3071. return nphy_channel_switch(dev, new_channel);
  3072. }
  3073. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  3074. {
  3075. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3076. return 1;
  3077. return 36;
  3078. }
  3079. const struct b43_phy_operations b43_phyops_n = {
  3080. .allocate = b43_nphy_op_allocate,
  3081. .free = b43_nphy_op_free,
  3082. .prepare_structs = b43_nphy_op_prepare_structs,
  3083. .init = b43_nphy_op_init,
  3084. .phy_read = b43_nphy_op_read,
  3085. .phy_write = b43_nphy_op_write,
  3086. .radio_read = b43_nphy_op_radio_read,
  3087. .radio_write = b43_nphy_op_radio_write,
  3088. .software_rfkill = b43_nphy_op_software_rfkill,
  3089. .switch_analog = b43_nphy_op_switch_analog,
  3090. .switch_channel = b43_nphy_op_switch_channel,
  3091. .get_default_chan = b43_nphy_op_get_default_chan,
  3092. .recalc_txpower = b43_nphy_op_recalc_txpower,
  3093. .adjust_txpower = b43_nphy_op_adjust_txpower,
  3094. };