diff options
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/986-rt2x00-add-TX-LOFT-calibration.patch | 1005 |
1 files changed, 1005 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/986-rt2x00-add-TX-LOFT-calibration.patch b/package/kernel/mac80211/patches/rt2x00/986-rt2x00-add-TX-LOFT-calibration.patch new file mode 100644 index 0000000000..dc554127f5 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/986-rt2x00-add-TX-LOFT-calibration.patch @@ -0,0 +1,1005 @@ +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -8303,6 +8303,957 @@ restore_value: + } + EXPORT_SYMBOL_GPL(rt2800_rxiq_calibration); + ++static void rt2800_rf_configstore(struct rt2x00_dev *rt2x00dev, rf_reg_pair rf_reg_record[][13], u8 chain) ++{ ++ u8 rfvalue = 0; ++ ++ if (chain == CHAIN_0) { ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); ++ rf_reg_record[CHAIN_0][0].bank = 0; ++ rf_reg_record[CHAIN_0][0].reg = 1; ++ rf_reg_record[CHAIN_0][0].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); ++ rf_reg_record[CHAIN_0][1].bank = 0; ++ rf_reg_record[CHAIN_0][1].reg = 2; ++ rf_reg_record[CHAIN_0][1].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); ++ rf_reg_record[CHAIN_0][2].bank = 0; ++ rf_reg_record[CHAIN_0][2].reg = 35; ++ rf_reg_record[CHAIN_0][2].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); ++ rf_reg_record[CHAIN_0][3].bank = 0; ++ rf_reg_record[CHAIN_0][3].reg = 42; ++ rf_reg_record[CHAIN_0][3].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0); ++ rf_reg_record[CHAIN_0][4].bank = 4; ++ rf_reg_record[CHAIN_0][4].reg = 0; ++ rf_reg_record[CHAIN_0][4].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 2); ++ rf_reg_record[CHAIN_0][5].bank = 4; ++ rf_reg_record[CHAIN_0][5].reg = 2; ++ rf_reg_record[CHAIN_0][5].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 34); ++ rf_reg_record[CHAIN_0][6].bank = 4; ++ rf_reg_record[CHAIN_0][6].reg = 34; ++ rf_reg_record[CHAIN_0][6].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); ++ rf_reg_record[CHAIN_0][7].bank = 5; ++ rf_reg_record[CHAIN_0][7].reg = 3; ++ rf_reg_record[CHAIN_0][7].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); ++ rf_reg_record[CHAIN_0][8].bank = 5; ++ rf_reg_record[CHAIN_0][8].reg = 4; ++ rf_reg_record[CHAIN_0][8].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); ++ rf_reg_record[CHAIN_0][9].bank = 5; ++ rf_reg_record[CHAIN_0][9].reg = 17; ++ rf_reg_record[CHAIN_0][9].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); ++ rf_reg_record[CHAIN_0][10].bank = 5; ++ rf_reg_record[CHAIN_0][10].reg = 18; ++ rf_reg_record[CHAIN_0][10].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); ++ rf_reg_record[CHAIN_0][11].bank = 5; ++ rf_reg_record[CHAIN_0][11].reg = 19; ++ rf_reg_record[CHAIN_0][11].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); ++ rf_reg_record[CHAIN_0][12].bank = 5; ++ rf_reg_record[CHAIN_0][12].reg = 20; ++ rf_reg_record[CHAIN_0][12].value = rfvalue; ++ } else if (chain == CHAIN_1) { ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); ++ rf_reg_record[CHAIN_1][0].bank = 0; ++ rf_reg_record[CHAIN_1][0].reg = 1; ++ rf_reg_record[CHAIN_1][0].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); ++ rf_reg_record[CHAIN_1][1].bank = 0; ++ rf_reg_record[CHAIN_1][1].reg = 2; ++ rf_reg_record[CHAIN_1][1].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); ++ rf_reg_record[CHAIN_1][2].bank = 0; ++ rf_reg_record[CHAIN_1][2].reg = 35; ++ rf_reg_record[CHAIN_1][2].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); ++ rf_reg_record[CHAIN_1][3].bank = 0; ++ rf_reg_record[CHAIN_1][3].reg = 42; ++ rf_reg_record[CHAIN_1][3].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0); ++ rf_reg_record[CHAIN_1][4].bank = 6; ++ rf_reg_record[CHAIN_1][4].reg = 0; ++ rf_reg_record[CHAIN_1][4].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 2); ++ rf_reg_record[CHAIN_1][5].bank = 6; ++ rf_reg_record[CHAIN_1][5].reg = 2; ++ rf_reg_record[CHAIN_1][5].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 34); ++ rf_reg_record[CHAIN_1][6].bank = 6; ++ rf_reg_record[CHAIN_1][6].reg = 34; ++ rf_reg_record[CHAIN_1][6].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3); ++ rf_reg_record[CHAIN_1][7].bank = 7; ++ rf_reg_record[CHAIN_1][7].reg = 3; ++ rf_reg_record[CHAIN_1][7].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); ++ rf_reg_record[CHAIN_1][8].bank = 7; ++ rf_reg_record[CHAIN_1][8].reg = 4; ++ rf_reg_record[CHAIN_1][8].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17); ++ rf_reg_record[CHAIN_1][9].bank = 7; ++ rf_reg_record[CHAIN_1][9].reg = 17; ++ rf_reg_record[CHAIN_1][9].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18); ++ rf_reg_record[CHAIN_1][10].bank = 7; ++ rf_reg_record[CHAIN_1][10].reg = 18; ++ rf_reg_record[CHAIN_1][10].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19); ++ rf_reg_record[CHAIN_1][11].bank = 7; ++ rf_reg_record[CHAIN_1][11].reg = 19; ++ rf_reg_record[CHAIN_1][11].value = rfvalue; ++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20); ++ rf_reg_record[CHAIN_1][12].bank = 7; ++ rf_reg_record[CHAIN_1][12].reg = 20; ++ rf_reg_record[CHAIN_1][12].value = rfvalue; ++ } else { ++ rt2x00_warn(rt2x00dev, "%s: Unknown chain = %u\n", chain); ++ return; ++ } ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_rf_configstore); ++ ++static void rt2800_rf_configrecover(struct rt2x00_dev *rt2x00dev, rf_reg_pair rf_record[][13]) ++{ ++ u8 chain_index = 0, record_index = 0; ++ u8 bank = 0, rf_register = 0, value = 0; ++ ++ for (chain_index = 0; chain_index < 2; chain_index++) { ++ for (record_index = 0; record_index < 13; record_index++) { ++ bank = rf_record[chain_index][record_index].bank; ++ rf_register = rf_record[chain_index][record_index].reg; ++ value = rf_record[chain_index][record_index].value; ++ rt2800_rfcsr_write_bank(rt2x00dev, bank, rf_register, value); ++ rt2x00_dbg(rt2x00dev, "bank: %d, rf_register: %d, value: %x\n", bank, rf_register, value); ++ } ++ } ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_rf_configrecover); ++ ++static void rt2800_setbbptonegenerator(struct rt2x00_dev *rt2x00dev) ++{ ++ rt2800_bbp_write(rt2x00dev, 158, 0xAA); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xAB); ++ rt2800_bbp_write(rt2x00dev, 159, 0x0A); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xAC); ++ rt2800_bbp_write(rt2x00dev, 159, 0x3F); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xAD); ++ rt2800_bbp_write(rt2x00dev, 159, 0x3F); ++ ++ rt2800_bbp_write(rt2x00dev, 244, 0x40); ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_setbbptonegenerator); ++ ++u32 rt2800_do_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx, u8 read_neg) ++{ ++ u32 macvalue = 0; ++ int fftout_i = 0, fftout_q = 0; ++ u32 ptmp=0, pint = 0; ++ u8 bbp = 0; ++ u8 tidxi; ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x00); ++ rt2800_bbp_write(rt2x00dev, 159, 0x9b); ++ ++ bbp = 0x9b; ++ ++ while (bbp == 0x9b) { ++ udelay(10); ++ bbp = rt2800_bbp_read(rt2x00dev, 159); ++ bbp = bbp & 0xff; ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xba); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ ++ macvalue = rt2800_register_read(rt2x00dev, 0x057C); ++ ++ fftout_i = (macvalue >> 16); ++ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; ++ fftout_q = (macvalue & 0xffff); ++ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ++ ptmp = (fftout_i * fftout_i); ++ ptmp = ptmp + (fftout_q * fftout_q); ++ pint = ptmp; ++ rt2x00_dbg(rt2x00dev, "I = %d, Q = %d, power = %x\n", fftout_i, fftout_q, pint); ++ if (read_neg) { ++ pint = pint >> 1; ++ tidxi = 0x40 - tidx; ++ tidxi = tidxi & 0x3f; ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xba); ++ rt2800_bbp_write(rt2x00dev, 159, tidxi); ++ rt2800_bbp_write(rt2x00dev, 159, tidxi); ++ rt2800_bbp_write(rt2x00dev, 159, tidxi); ++ ++ macvalue = rt2800_register_read(rt2x00dev, 0x057C); ++ ++ fftout_i = (macvalue >> 16); ++ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; ++ fftout_q = (macvalue & 0xffff); ++ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ++ ptmp = (fftout_i * fftout_i); ++ ptmp = ptmp + (fftout_q * fftout_q); ++ ptmp = ptmp >> 1; ++ pint = pint + ptmp; ++ ++ } ++ ++ return pint; ++} ++EXPORT_SYMBOL_GPL(rt2800_do_fft_accumulation); ++ ++u32 rt2800_read_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx) { ++ u32 macvalue = 0; ++ int fftout_i = 0, fftout_q = 0; ++ u32 ptmp=0, pint = 0; ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xBA); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ rt2800_bbp_write(rt2x00dev, 159, tidx); ++ ++ macvalue = rt2800_register_read(rt2x00dev, 0x057C); ++ ++ fftout_i = (macvalue >> 16); ++ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; ++ fftout_q = (macvalue & 0xffff); ++ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ++ ptmp = (fftout_i * fftout_i); ++ ptmp = ptmp + (fftout_q * fftout_q); ++ pint = ptmp; ++ rt2x00_info(rt2x00dev, "I = %d, Q = %d, power = %x\n", fftout_i, fftout_q, pint); ++ ++ return pint; ++} ++EXPORT_SYMBOL_GPL(rt2800_read_fft_accumulation); ++ ++static void rt2800_write_dc(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc, u8 iorq, u8 dc) ++{ ++ u8 bbp = 0; ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb0); ++ bbp = alc | 0x80; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ if (ch_idx == 0) ++ bbp = (iorq == 0) ? 0xb1: 0xb2; ++ else ++ bbp = (iorq == 0) ? 0xb8: 0xb9; ++ ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ bbp = dc; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_write_dc); ++ ++static void rt2800_loft_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc_idx, u8 dc_result[][RF_ALC_NUM][2]) ++{ ++ u32 p0 = 0, p1 = 0, pf = 0; ++ char idx0 = 0, idx1 = 0; ++ u8 idxf[] = {0x00, 0x00}; ++ u8 ibit = 0x20; ++ u8 iorq; ++ char bidx; ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb0); ++ rt2800_bbp_write(rt2x00dev, 159, 0x80); ++ ++ for (bidx = 5; bidx >= 0; bidx--) { ++ for (iorq = 0; iorq <= 1; iorq++) { ++ rt2x00_dbg(rt2x00dev, "\n========================================================\n"); ++ ++ if (idxf[iorq] == 0x20) { ++ idx0 = 0x20; ++ p0 = pf; ++ } else { ++ idx0 = idxf[iorq] - ibit; ++ idx0 = idx0 & 0x3F; ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx0); ++ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); ++ } ++ ++ idx1 = idxf[iorq] + ((bidx == 5) ? 0 : ibit); ++ idx1 = idx1 & 0x3F; ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx1); ++ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); ++ ++ rt2x00_dbg(rt2x00dev, "alc=%u, IorQ=%u, idx_final=%2x\n", alc_idx, iorq, idxf[iorq]); ++ rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pf=%x, idx_0=%x, idx_1=%x, ibit=%x !\n", p0, p1, pf, idx0, idx1, ibit); ++ ++ if ((bidx != 5) && (pf <= p0) && (pf < p1)) { ++ pf = pf; ++ idxf[iorq] = idxf[iorq]; ++ } else if (p0 < p1) { ++ pf = p0; ++ idxf[iorq] = idx0 & 0x3F; ++ } else { ++ pf = p1; ++ idxf[iorq] = idx1 & 0x3F; ++ } ++ rt2x00_dbg(rt2x00dev, "IorQ=%u, idx_final[%u]:%x, pf:%8x\n", iorq, iorq, idxf[iorq], pf); ++ ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idxf[iorq]); ++ ++ } ++ ibit = ibit >> 1; ++ } ++ dc_result[ch_idx][alc_idx][0] = idxf[0]; ++ dc_result[ch_idx][alc_idx][1] = idxf[1]; ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_loft_search); ++ ++static void rt2800_iq_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 *ges, u8 *pes) ++{ ++ u32 p0 = 0, p1 = 0, pf = 0; ++ char perr = 0, gerr = 0, iq_err = 0; ++ char pef = 0, gef = 0; ++ char psta, pend; ++ char gsta, gend; ++ ++ u8 ibit = 0x20; ++ u8 first_search = 0x00, touch_neg_max = 0x00; ++ char idx0 = 0, idx1 = 0; ++ u8 gop; ++ u8 bbp = 0; ++ char bidx; ++ ++ rt2x00_info(rt2x00dev, "IQCalibration Start!\n"); ++ for (bidx = 5; bidx >= 1; bidx--) { ++ for (gop = 0; gop < 2; gop++) { ++ rt2x00_dbg(rt2x00dev, "\n========================================================\n"); ++ ++ if ((gop == 1) || (bidx < 4)) { ++ if (gop == 0) ++ iq_err = gerr; ++ else ++ iq_err = perr; ++ ++ first_search = (gop == 0) ? (bidx == 3) : (bidx == 5); ++ touch_neg_max = (gop) ? ((iq_err & 0x0F) == 0x08) : ((iq_err & 0x3F) == 0x20); ++ ++ if (touch_neg_max) { ++ p0 = pf; ++ idx0 = iq_err; ++ } else { ++ idx0 = iq_err - ibit; ++ bbp = (ch_idx == 0) ? ((gop == 0) ? 0x28 : 0x29): ((gop == 0) ? 0x46 : 0x47); ++ ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, idx0); ++ ++ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); ++ } ++ ++ idx1 = iq_err + (first_search ? 0 : ibit); ++ idx1 = (gop == 0) ? (idx1 & 0x0F) : (idx1 & 0x3F); ++ ++ bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; ++ ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, idx1); ++ ++ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); ++ ++ rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pwer_final=%x, idx0=%x, idx1=%x, iq_err=%x, gop=%d, ibit=%x !\n", p0, p1, pf, idx0, idx1, iq_err, gop, ibit); ++ ++ if ((!first_search) && (pf <= p0) && (pf < p1)) { ++ pf = pf; ++ } else if (p0 < p1) { ++ pf = p0; ++ iq_err = idx0; ++ } else { ++ pf = p1; ++ iq_err = idx1; ++ } ++ ++ bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; ++ ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, iq_err); ++ ++ if (gop == 0) ++ gerr = iq_err; ++ else ++ perr = iq_err; ++ ++ rt2x00_dbg(rt2x00dev, "IQCalibration pf=%8x (%2x, %2x) !\n", pf, gerr & 0x0F, perr & 0x3F); ++ ++ } ++ } ++ ++ if (bidx > 0) ++ ibit = (ibit >> 1); ++ } ++ gerr = (gerr & 0x08) ? (gerr & 0x0F) - 0x10 : (gerr & 0x0F); ++ perr = (perr & 0x20) ? (perr & 0x3F) - 0x40 : (perr & 0x3F); ++ ++ gerr = (gerr < -0x07) ? -0x07 : (gerr > 0x05) ? 0x05 : gerr; ++ gsta = gerr - 1; ++ gend = gerr + 2; ++ ++ perr = (perr < -0x1f) ? -0x1f : (perr > 0x1d) ? 0x1d : perr; ++ psta = perr - 1; ++ pend = perr + 2; ++ ++ for (gef = gsta; gef <= gend; gef = gef + 1) ++ for (pef = psta; pef <= pend; pef = pef + 1) { ++ bbp = (ch_idx == 0) ? 0x28 : 0x46; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, gef & 0x0F); ++ ++ bbp = (ch_idx == 0) ? 0x29 : 0x47; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, pef & 0x3F); ++ ++ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); ++ if ((gef == gsta) && (pef == psta)) { ++ pf = p1; ++ gerr = gef; ++ perr = pef; ++ } ++ else if (pf > p1){ ++ pf = p1; ++ gerr = gef; ++ perr = pef; ++ } ++ rt2x00_dbg(rt2x00dev, "Fine IQCalibration p1=%8x pf=%8x (%2x, %2x) !\n", p1, pf, gef & 0x0F, pef & 0x3F); ++ } ++ ++ ges[ch_idx] = gerr & 0x0F; ++ pes[ch_idx] = perr & 0x3F; ++ ++ rt2x00_info(rt2x00dev, "IQCalibration Done! CH = %u, (gain=%2x, phase=%2x)\n", ch_idx, gerr & 0x0F, perr & 0x3F); ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_iq_search); ++ ++static void rt2800_rf_aux_tx0_loopback(struct rt2x00_dev *rt2x00dev) ++{ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x21); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x10); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x1b); ++ rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, 0x81); ++ rt2800_rfcsr_write_bank(rt2x00dev, 4, 2, 0x81); ++ rt2800_rfcsr_write_bank(rt2x00dev, 4, 34, 0xee); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, 0x2d); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x2d); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xd7); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0xa2); ++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); ++} ++EXPORT_SYMBOL_GPL(rt2800_rf_aux_tx0_loopback); ++ ++static void rt2800_rf_aux_tx1_loopback(struct rt2x00_dev *rt2x00dev) ++{ ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x22); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x20); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x4b); ++ rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, 0x81); ++ rt2800_rfcsr_write_bank(rt2x00dev, 6, 2, 0x81); ++ rt2800_rfcsr_write_bank(rt2x00dev, 6, 34, 0xee); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, 0x2d); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, 0x2d); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, 0x80); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, 0xd7); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, 0xa2); ++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, 0x20); ++} ++EXPORT_SYMBOL_GPL(rt2800_rf_aux_tx1_loopback); ++ ++void rt2800_loft_iq_calibration(struct rt2x00_dev *rt2x00dev) ++{ ++ rf_reg_pair rf_store[CHAIN_NUM][13]; ++ u32 macorg1 = 0; ++ u32 macorg2 = 0; ++ u32 macorg3 = 0; ++ u32 macorg4 = 0; ++ u32 macorg5 = 0; ++ u32 orig528 = 0; ++ u32 orig52c = 0; ++ ++ u32 savemacsysctrl = 0, mtxcycle = 0; ++ u32 macvalue = 0; ++ u32 mac13b8 = 0; ++ u32 p0 = 0, p1 = 0; ++ u32 p0_idx10 = 0, p1_idx10 = 0; ++ ++ u8 rfvalue; ++ u8 loft_dc_search_result[CHAIN_NUM][RF_ALC_NUM][2]; ++ u8 ger[CHAIN_NUM], per[CHAIN_NUM]; ++ u8 rf_gain[] = {0x00, 0x01, 0x02, 0x04, 0x08, 0x0c}; ++ u8 rfvga_gain_table[] = {0x24, 0x25, 0x26, 0x27, 0x28, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3F}; ++ ++ u8 vga_gain[] = {14, 14}; ++ u8 bbp_2324gain[] = {0x16, 0x14, 0x12, 0x10, 0x0c, 0x08}; ++ u8 bbp = 0, ch_idx = 0, rf_alc_idx = 0, idx = 0; ++ u8 bbpr30, rfb0r39, rfb0r42; ++ u8 bbpr1; ++ u8 bbpr4; ++ u8 bbpr241, bbpr242; ++ u8 count_step; ++ ++ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); ++ macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); ++ macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); ++ macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); ++ macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); ++ mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); ++ orig528 = rt2800_register_read(rt2x00dev, RF_CONTROL2); ++ orig52c = rt2800_register_read(rt2x00dev, RF_BYPASS2); ++ ++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macvalue &= (~0x04); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); ++ ++ for (mtxcycle = 0; mtxcycle < 10000; mtxcycle++) { ++ macvalue = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macvalue & 0x01) ++ udelay(50); ++ else ++ break; ++ } ++ ++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macvalue &= (~0x08); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); ++ ++ for (mtxcycle = 0; mtxcycle < 10000; mtxcycle++) { ++ macvalue = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macvalue & 0x02) ++ udelay(50); ++ else ++ break; ++ } ++ ++ for (ch_idx = 0; ch_idx < 2; ch_idx++) { ++ rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); ++ } ++ ++ bbpr30 = rt2800_bbp_read(rt2x00dev, 30); ++ rfb0r39 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 39); ++ rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); ++ ++ rt2800_bbp_write(rt2x00dev, 30, 0x1F); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, 0x80); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x5B); ++ ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ ++ rt2800_setbbptonegenerator(rt2x00dev); ++ ++ for (ch_idx = 0; ch_idx < 2; ch_idx ++) { ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00); ++ rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); ++ rt2800_register_write(rt2x00dev, 0x13b8, 0x10); ++ udelay(1); ++ ++ if (ch_idx == 0) { ++ rt2800_rf_aux_tx0_loopback(rt2x00dev); ++ } else { ++ rt2800_rf_aux_tx1_loopback(rt2x00dev); ++ } ++ udelay(1); ++ ++ if (ch_idx == 0) { ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); ++ } else { ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x05); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x01); ++ if (ch_idx == 0) ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ else ++ rt2800_bbp_write(rt2x00dev, 159, 0x01); ++ ++ vga_gain[ch_idx] = 18; ++ for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { ++ rt2800_bbp_write(rt2x00dev, 23, bbp_2324gain[rf_alc_idx]); ++ rt2800_bbp_write(rt2x00dev, 24, bbp_2324gain[rf_alc_idx]); ++ ++ macvalue = rt2800_register_read(rt2x00dev, RF_CONTROL3); ++ macvalue &= (~0x0000F1F1); ++ macvalue |= (rf_gain[rf_alc_idx] << 4); ++ macvalue |= (rf_gain[rf_alc_idx] << 12); ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, macvalue); ++ macvalue = (0x0000F1F1); ++ rt2800_register_write(rt2x00dev, RF_BYPASS3, macvalue); ++ ++ if (rf_alc_idx == 0) { ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x21); ++ for (;vga_gain[ch_idx] > 0;vga_gain[ch_idx] = vga_gain[ch_idx] - 2) { ++ rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; ++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); ++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); ++ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x21); ++ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); ++ rt2x00_dbg(rt2x00dev, "LOFT AGC %d %d\n", p0, p1); ++ if ((p0 < 7000*7000) && (p1 < (7000*7000))) { ++ break; ++ } ++ } ++ ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); ++ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); ++ ++ rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n",vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); ++ ++ if (vga_gain[ch_idx] < 0) ++ vga_gain[ch_idx] = 0; ++ } ++ ++ rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; ++ ++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); ++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); ++ ++ rt2800_loft_search(rt2x00dev, ch_idx, rf_alc_idx, loft_dc_search_result); ++ } ++ } ++ ++ for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { ++ for (idx = 0; idx < 4; idx++) { ++ rt2800_bbp_write(rt2x00dev, 158, 0xB0); ++ bbp = (idx<<2) + rf_alc_idx; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ rt2x00_dbg(rt2x00dev, " ALC %2x,", bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb1); ++ bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x00]; ++ bbp = bbp & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ rt2x00_dbg(rt2x00dev, " I0 %2x,", bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb2); ++ bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x01]; ++ bbp = bbp & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ rt2x00_dbg(rt2x00dev, " Q0 %2x,", bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb8); ++ bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x00]; ++ bbp = bbp & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ rt2x00_dbg(rt2x00dev, " I1 %2x,", bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0xb9); ++ bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x01]; ++ bbp = bbp & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ rt2x00_dbg(rt2x00dev, " Q1 %2x\n", bbp); ++ } ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x00); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ bbp = 0x00; ++ rt2800_bbp_write(rt2x00dev, 244, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 21, 0x01); ++ udelay(1); ++ rt2800_bbp_write(rt2x00dev, 21, 0x00); ++ ++ rt2800_rf_configrecover(rt2x00dev, rf_store); ++ ++ rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); ++ udelay(1); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); ++ rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); ++ rt2800_register_write(rt2x00dev, RF_CONTROL2, orig528); ++ rt2800_register_write(rt2x00dev, RF_BYPASS2, orig52c); ++ rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); ++ ++ rt2x00_info(rt2x00dev, "LOFT Calibration Done!\n"); ++ ++ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); ++ macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); ++ macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); ++ macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); ++ macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ bbpr1 = rt2800_bbp_read(rt2x00dev, 1); ++ bbpr4 = rt2800_bbp_read(rt2x00dev, 4); ++ bbpr241 = rt2800_bbp_read(rt2x00dev, 241); ++ bbpr242 = rt2800_bbp_read(rt2x00dev, 242); ++ } ++ mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); ++ ++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macvalue &= (~0x04); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); ++ for (mtxcycle = 0; mtxcycle < 10000; mtxcycle++) { ++ macvalue = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macvalue & 0x01) ++ udelay(50); ++ else ++ break; ++ } ++ ++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); ++ macvalue &= (~0x08); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); ++ for (mtxcycle = 0; mtxcycle < 10000; mtxcycle++) { ++ macvalue = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); ++ if (macvalue & 0x02) ++ udelay(50); ++ else ++ break; ++ } ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000101); ++ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_bbp_write(rt2x00dev, 4, bbpr4 & (~0x18)); ++ rt2800_bbp_write(rt2x00dev, 21, 0x01); ++ udelay(1); ++ rt2800_bbp_write(rt2x00dev, 21, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 241, 0x14); ++ rt2800_bbp_write(rt2x00dev, 242, 0x80); ++ rt2800_bbp_write(rt2x00dev, 244, 0x31); ++ } else { ++ rt2800_setbbptonegenerator(rt2x00dev); ++ } ++ ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); ++ udelay(1); ++ ++ rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); ++ ++ if (!test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000000); ++ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); ++ } ++ ++ rt2800_register_write(rt2x00dev, 0x13b8, 0x00000010); ++ ++ for (ch_idx = 0; ch_idx < 2; ch_idx++) { ++ rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); ++ } ++ ++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x3B); ++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x3B); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x03); ++ rt2800_bbp_write(rt2x00dev, 159, 0x60); ++ rt2800_bbp_write(rt2x00dev, 158, 0xB0); ++ rt2800_bbp_write(rt2x00dev, 159, 0x80); ++ ++ for (ch_idx = 0; ch_idx < 2; ch_idx ++) { ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ ++ if (ch_idx == 0) { ++ rt2800_bbp_write(rt2x00dev, 158, 0x01); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ bbp = bbpr1 & (~0x18); ++ bbp = bbp | 0x00; ++ rt2800_bbp_write(rt2x00dev, 1, bbp); ++ } ++ rt2800_rf_aux_tx0_loopback(rt2x00dev); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); ++ } else { ++ rt2800_bbp_write(rt2x00dev, 158, 0x01); ++ rt2800_bbp_write(rt2x00dev, 159, 0x01); ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) { ++ bbp = bbpr1 & (~0x18); ++ bbp = bbp | 0x08; ++ rt2800_bbp_write(rt2x00dev, 1, bbp); ++ } ++ rt2800_rf_aux_tx1_loopback(rt2x00dev); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x05); ++ rt2800_bbp_write(rt2x00dev, 159, 0x04); ++ ++ bbp = (ch_idx == 0) ? 0x28 : 0x46; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_bbp_write(rt2x00dev, 23, 0x06); ++ rt2800_bbp_write(rt2x00dev, 24, 0x06); ++ count_step = 1; ++ } else { ++ rt2800_bbp_write(rt2x00dev, 23, 0x1F); ++ rt2800_bbp_write(rt2x00dev, 24, 0x1F); ++ count_step = 2; ++ } ++ ++ for (;vga_gain[ch_idx] < 19; vga_gain[ch_idx]=(vga_gain[ch_idx] + count_step)) { ++ rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; ++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); ++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); ++ ++ bbp = (ch_idx == 0) ? 0x29 : 0x47; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ p0_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); ++ } ++ ++ bbp = (ch_idx == 0) ? 0x29 : 0x47; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, 0x21); ++ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) { ++ p1_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); ++ } ++ ++ rt2x00_dbg(rt2x00dev, "IQ AGC %d %d\n", p0, p1); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2x00_dbg(rt2x00dev, "IQ AGC IDX 10 %d %d\n", p0_idx10, p1_idx10); ++ if ((p0_idx10 > 7000*7000) || (p1_idx10 > 7000*7000)) { ++ if (vga_gain[ch_idx]!=0) ++ vga_gain[ch_idx] = vga_gain[ch_idx]-1; ++ break; ++ } ++ } ++ ++ if ((p0 > 2500*2500) || (p1 > 2500*2500)) { ++ break; ++ } ++ } ++ ++ if (vga_gain[ch_idx] > 18) ++ vga_gain[ch_idx] = 18; ++ rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n",vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); ++ ++ bbp = (ch_idx == 0) ? 0x29 : 0x47; ++ rt2800_bbp_write(rt2x00dev, 158, bbp); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ rt2800_iq_search(rt2x00dev, ch_idx, ger, per); ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 23, 0x00); ++ rt2800_bbp_write(rt2x00dev, 24, 0x00); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x28); ++ bbp = ger[CHAIN_0] & 0x0F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x29); ++ bbp = per[CHAIN_0] & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x46); ++ bbp = ger[CHAIN_1] & 0x0F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x47); ++ bbp = per[CHAIN_1] & 0x3F; ++ rt2800_bbp_write(rt2x00dev, 159, bbp); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_bbp_write(rt2x00dev, 1, bbpr1); ++ rt2800_bbp_write(rt2x00dev, 241, bbpr241); ++ rt2800_bbp_write(rt2x00dev, 242, bbpr242); ++ } ++ rt2800_bbp_write(rt2x00dev, 244, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 158, 0x00); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ rt2800_bbp_write(rt2x00dev, 158, 0xB0); ++ rt2800_bbp_write(rt2x00dev, 159, 0x00); ++ ++ rt2800_bbp_write(rt2x00dev, 30, bbpr30); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, rfb0r39); ++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42); ++ ++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { ++ rt2800_bbp_write(rt2x00dev, 4, bbpr4); ++ } ++ ++ rt2800_bbp_write(rt2x00dev, 21, 0x01); ++ udelay(1); ++ rt2800_bbp_write(rt2x00dev, 21, 0x00); ++ ++ rt2800_rf_configrecover(rt2x00dev, rf_store); ++ ++ rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); ++ rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); ++ udelay(1); ++ rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); ++ rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); ++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); ++ rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); ++ ++ rt2x00_info(rt2x00dev, "TX IQ Calibration Done!\n"); ++ ++ return; ++} ++EXPORT_SYMBOL_GPL(rt2800_loft_iq_calibration); ++ + static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, + bool set_bw, bool is_ht40) + { +@@ -8915,6 +9866,7 @@ static void rt2800_init_rfcsr_6352(struc + rt2800_rxdcoc_calibration(rt2x00dev); + rt2800_bw_filter_calibration(rt2x00dev, true); + rt2800_bw_filter_calibration(rt2x00dev, false); ++ rt2800_loft_iq_calibration(rt2x00dev); + rt2800_rxiq_calibration(rt2x00dev); + } + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h +@@ -28,6 +28,16 @@ + #define WCID_START 33 + #define WCID_END 222 + #define STA_IDS_SIZE (WCID_END - WCID_START + 2) ++#define CHAIN_0 0x0 ++#define CHAIN_1 0x1 ++#define RF_ALC_NUM 6 ++#define CHAIN_NUM 2 ++ ++typedef struct rf_reg_pair { ++ u8 bank; ++ u8 reg; ++ u8 value; ++} rf_reg_pair; + + /* RT2800 driver data structure */ + struct rt2800_drv_data { +@@ -232,6 +242,7 @@ int rt2800_calcrcalibrationcode(struct r + void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev); + void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev); + void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev); ++void rt2800_loft_iq_calibration(struct rt2x00_dev *rt2x00dev); + + int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev); + void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev); +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h +@@ -575,6 +575,7 @@ struct rt2x00lib_ops { + void (*r_calibration) (struct rt2x00_dev *rt2x00dev); + void (*rxdcoc_calibration) (struct rt2x00_dev *rt2x00dev); + void (*rxiq_calibration) (struct rt2x00_dev *rt2x00dev); ++ void (*loft_iq_calibration) (struct rt2x00_dev *rt2x00dev); + + /* + * Data queue handlers. |