root/drivers/net/wireless/ath/carl9170/phy.c

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DEFINITIONS

This source file includes following definitions.
  1. carl9170_init_power_cal
  2. carl9170_def_val
  3. carl9170_init_phy_from_eeprom
  4. carl9170_init_phy
  5. carl9170_init_rf_banks_0_7
  6. carl9170_init_rf_bank4_pwr
  7. carl9170_get_hw_dyn_params
  8. carl9170_find_freq_idx
  9. carl9170_interpolate_s32
  10. carl9170_interpolate_u8
  11. carl9170_interpolate_val
  12. carl9170_set_freq_cal_data
  13. carl9170_get_max_edge_power
  14. carl9170_get_heavy_clip
  15. carl9170_calc_ctl
  16. carl9170_set_power_cal
  17. carl9170_get_noisefloor
  18. nl80211_to_carl
  19. carl9170_set_channel
   1 /*
   2  * Atheros CARL9170 driver
   3  *
   4  * PHY and RF code
   5  *
   6  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; see the file COPYING.  If not, see
  20  * http://www.gnu.org/licenses/.
  21  *
  22  * This file incorporates work covered by the following copyright and
  23  * permission notice:
  24  *    Copyright (c) 2007-2008 Atheros Communications, Inc.
  25  *
  26  *    Permission to use, copy, modify, and/or distribute this software for any
  27  *    purpose with or without fee is hereby granted, provided that the above
  28  *    copyright notice and this permission notice appear in all copies.
  29  *
  30  *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  31  *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  32  *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  33  *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  34  *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  35  *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  36  *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  37  */
  38 
  39 #include <linux/bitrev.h>
  40 #include "carl9170.h"
  41 #include "cmd.h"
  42 #include "phy.h"
  43 
  44 static int carl9170_init_power_cal(struct ar9170 *ar)
  45 {
  46         carl9170_regwrite_begin(ar);
  47 
  48         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE_MAX, 0x7f);
  49         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE1, 0x3f3f3f3f);
  50         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE2, 0x3f3f3f3f);
  51         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE3, 0x3f3f3f3f);
  52         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE4, 0x3f3f3f3f);
  53         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE5, 0x3f3f3f3f);
  54         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE6, 0x3f3f3f3f);
  55         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE7, 0x3f3f3f3f);
  56         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE8, 0x3f3f3f3f);
  57         carl9170_regwrite(AR9170_PHY_REG_POWER_TX_RATE9, 0x3f3f3f3f);
  58 
  59         carl9170_regwrite_finish();
  60         return carl9170_regwrite_result();
  61 }
  62 
  63 struct carl9170_phy_init {
  64         u32 reg, _5ghz_20, _5ghz_40, _2ghz_40, _2ghz_20;
  65 };
  66 
  67 static struct carl9170_phy_init ar5416_phy_init[] = {
  68         { 0x1c5800, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
  69         { 0x1c5804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, },
  70         { 0x1c5808, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  71         { 0x1c580c, 0xad848e19, 0xad848e19, 0xad848e19, 0xad848e19, },
  72         { 0x1c5810, 0x7d14e000, 0x7d14e000, 0x7d14e000, 0x7d14e000, },
  73         { 0x1c5814, 0x9c0a9f6b, 0x9c0a9f6b, 0x9c0a9f6b, 0x9c0a9f6b, },
  74         { 0x1c5818, 0x00000090, 0x00000090, 0x00000090, 0x00000090, },
  75         { 0x1c581c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  76         { 0x1c5820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, },
  77         { 0x1c5824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, },
  78         { 0x1c5828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, },
  79         { 0x1c582c, 0x0000a000, 0x0000a000, 0x0000a000, 0x0000a000, },
  80         { 0x1c5830, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  81         { 0x1c5834, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, },
  82         { 0x1c5838, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
  83         { 0x1c583c, 0x00200400, 0x00200400, 0x00200400, 0x00200400, },
  84         { 0x1c5840, 0x206a002e, 0x206a002e, 0x206a002e, 0x206a002e, },
  85         { 0x1c5844, 0x1372161e, 0x13721c1e, 0x13721c24, 0x137216a4, },
  86         { 0x1c5848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, },
  87         { 0x1c584c, 0x1284233c, 0x1284233c, 0x1284233c, 0x1284233c, },
  88         { 0x1c5850, 0x6c48b4e4, 0x6d48b4e4, 0x6d48b0e4, 0x6c48b0e4, },
  89         { 0x1c5854, 0x00000859, 0x00000859, 0x00000859, 0x00000859, },
  90         { 0x1c5858, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, },
  91         { 0x1c585c, 0x31395c5e, 0x3139605e, 0x3139605e, 0x31395c5e, },
  92         { 0x1c5860, 0x0004dd10, 0x0004dd10, 0x0004dd20, 0x0004dd20, },
  93         { 0x1c5864, 0x0001c600, 0x0001c600, 0x0001c600, 0x0001c600, },
  94         { 0x1c5868, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190, },
  95         { 0x1c586c, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, },
  96         { 0x1c5900, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  97         { 0x1c5904, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  98         { 0x1c5908, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
  99         { 0x1c590c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 100         { 0x1c5914, 0x000007d0, 0x000007d0, 0x00000898, 0x00000898, },
 101         { 0x1c5918, 0x00000118, 0x00000230, 0x00000268, 0x00000134, },
 102         { 0x1c591c, 0x10000fff, 0x10000fff, 0x10000fff, 0x10000fff, },
 103         { 0x1c5920, 0x0510081c, 0x0510081c, 0x0510001c, 0x0510001c, },
 104         { 0x1c5924, 0xd0058a15, 0xd0058a15, 0xd0058a15, 0xd0058a15, },
 105         { 0x1c5928, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
 106         { 0x1c592c, 0x00000004, 0x00000004, 0x00000004, 0x00000004, },
 107         { 0x1c5934, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 108         { 0x1c5938, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 109         { 0x1c593c, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, },
 110         { 0x1c5944, 0xdfb81020, 0xdfb81020, 0xdfb81020, 0xdfb81020, },
 111         { 0x1c5948, 0x9280b212, 0x9280b212, 0x9280b212, 0x9280b212, },
 112         { 0x1c594c, 0x00020028, 0x00020028, 0x00020028, 0x00020028, },
 113         { 0x1c5954, 0x5d50e188, 0x5d50e188, 0x5d50e188, 0x5d50e188, },
 114         { 0x1c5958, 0x00081fff, 0x00081fff, 0x00081fff, 0x00081fff, },
 115         { 0x1c5960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
 116         { 0x1c5964, 0x00001120, 0x00001120, 0x00001120, 0x00001120, },
 117         { 0x1c5970, 0x190fb515, 0x190fb515, 0x190fb515, 0x190fb515, },
 118         { 0x1c5974, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 119         { 0x1c5978, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
 120         { 0x1c597c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 121         { 0x1c5980, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 122         { 0x1c5984, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 123         { 0x1c5988, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 124         { 0x1c598c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 125         { 0x1c5990, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 126         { 0x1c5994, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 127         { 0x1c5998, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 128         { 0x1c599c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 129         { 0x1c59a0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 130         { 0x1c59a4, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
 131         { 0x1c59a8, 0x001fff00, 0x001fff00, 0x001fff00, 0x001fff00, },
 132         { 0x1c59ac, 0x006f00c4, 0x006f00c4, 0x006f00c4, 0x006f00c4, },
 133         { 0x1c59b0, 0x03051000, 0x03051000, 0x03051000, 0x03051000, },
 134         { 0x1c59b4, 0x00000820, 0x00000820, 0x00000820, 0x00000820, },
 135         { 0x1c59bc, 0x00181400, 0x00181400, 0x00181400, 0x00181400, },
 136         { 0x1c59c0, 0x038919be, 0x038919be, 0x038919be, 0x038919be, },
 137         { 0x1c59c4, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77, },
 138         { 0x1c59c8, 0x6af6532c, 0x6af6532c, 0x6af6532c, 0x6af6532c, },
 139         { 0x1c59cc, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8, },
 140         { 0x1c59d0, 0x00046384, 0x00046384, 0x00046384, 0x00046384, },
 141         { 0x1c59d4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 142         { 0x1c59d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 143         { 0x1c59dc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 144         { 0x1c59e0, 0x00000200, 0x00000200, 0x00000200, 0x00000200, },
 145         { 0x1c59e4, 0x64646464, 0x64646464, 0x64646464, 0x64646464, },
 146         { 0x1c59e8, 0x3c787878, 0x3c787878, 0x3c787878, 0x3c787878, },
 147         { 0x1c59ec, 0x000000aa, 0x000000aa, 0x000000aa, 0x000000aa, },
 148         { 0x1c59f0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 149         { 0x1c59fc, 0x00001042, 0x00001042, 0x00001042, 0x00001042, },
 150         { 0x1c5a00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 151         { 0x1c5a04, 0x00000040, 0x00000040, 0x00000040, 0x00000040, },
 152         { 0x1c5a08, 0x00000080, 0x00000080, 0x00000080, 0x00000080, },
 153         { 0x1c5a0c, 0x000001a1, 0x000001a1, 0x00000141, 0x00000141, },
 154         { 0x1c5a10, 0x000001e1, 0x000001e1, 0x00000181, 0x00000181, },
 155         { 0x1c5a14, 0x00000021, 0x00000021, 0x000001c1, 0x000001c1, },
 156         { 0x1c5a18, 0x00000061, 0x00000061, 0x00000001, 0x00000001, },
 157         { 0x1c5a1c, 0x00000168, 0x00000168, 0x00000041, 0x00000041, },
 158         { 0x1c5a20, 0x000001a8, 0x000001a8, 0x000001a8, 0x000001a8, },
 159         { 0x1c5a24, 0x000001e8, 0x000001e8, 0x000001e8, 0x000001e8, },
 160         { 0x1c5a28, 0x00000028, 0x00000028, 0x00000028, 0x00000028, },
 161         { 0x1c5a2c, 0x00000068, 0x00000068, 0x00000068, 0x00000068, },
 162         { 0x1c5a30, 0x00000189, 0x00000189, 0x000000a8, 0x000000a8, },
 163         { 0x1c5a34, 0x000001c9, 0x000001c9, 0x00000169, 0x00000169, },
 164         { 0x1c5a38, 0x00000009, 0x00000009, 0x000001a9, 0x000001a9, },
 165         { 0x1c5a3c, 0x00000049, 0x00000049, 0x000001e9, 0x000001e9, },
 166         { 0x1c5a40, 0x00000089, 0x00000089, 0x00000029, 0x00000029, },
 167         { 0x1c5a44, 0x00000170, 0x00000170, 0x00000069, 0x00000069, },
 168         { 0x1c5a48, 0x000001b0, 0x000001b0, 0x00000190, 0x00000190, },
 169         { 0x1c5a4c, 0x000001f0, 0x000001f0, 0x000001d0, 0x000001d0, },
 170         { 0x1c5a50, 0x00000030, 0x00000030, 0x00000010, 0x00000010, },
 171         { 0x1c5a54, 0x00000070, 0x00000070, 0x00000050, 0x00000050, },
 172         { 0x1c5a58, 0x00000191, 0x00000191, 0x00000090, 0x00000090, },
 173         { 0x1c5a5c, 0x000001d1, 0x000001d1, 0x00000151, 0x00000151, },
 174         { 0x1c5a60, 0x00000011, 0x00000011, 0x00000191, 0x00000191, },
 175         { 0x1c5a64, 0x00000051, 0x00000051, 0x000001d1, 0x000001d1, },
 176         { 0x1c5a68, 0x00000091, 0x00000091, 0x00000011, 0x00000011, },
 177         { 0x1c5a6c, 0x000001b8, 0x000001b8, 0x00000051, 0x00000051, },
 178         { 0x1c5a70, 0x000001f8, 0x000001f8, 0x00000198, 0x00000198, },
 179         { 0x1c5a74, 0x00000038, 0x00000038, 0x000001d8, 0x000001d8, },
 180         { 0x1c5a78, 0x00000078, 0x00000078, 0x00000018, 0x00000018, },
 181         { 0x1c5a7c, 0x00000199, 0x00000199, 0x00000058, 0x00000058, },
 182         { 0x1c5a80, 0x000001d9, 0x000001d9, 0x00000098, 0x00000098, },
 183         { 0x1c5a84, 0x00000019, 0x00000019, 0x00000159, 0x00000159, },
 184         { 0x1c5a88, 0x00000059, 0x00000059, 0x00000199, 0x00000199, },
 185         { 0x1c5a8c, 0x00000099, 0x00000099, 0x000001d9, 0x000001d9, },
 186         { 0x1c5a90, 0x000000d9, 0x000000d9, 0x00000019, 0x00000019, },
 187         { 0x1c5a94, 0x000000f9, 0x000000f9, 0x00000059, 0x00000059, },
 188         { 0x1c5a98, 0x000000f9, 0x000000f9, 0x00000099, 0x00000099, },
 189         { 0x1c5a9c, 0x000000f9, 0x000000f9, 0x000000d9, 0x000000d9, },
 190         { 0x1c5aa0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 191         { 0x1c5aa4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 192         { 0x1c5aa8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 193         { 0x1c5aac, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 194         { 0x1c5ab0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 195         { 0x1c5ab4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 196         { 0x1c5ab8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 197         { 0x1c5abc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 198         { 0x1c5ac0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 199         { 0x1c5ac4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 200         { 0x1c5ac8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 201         { 0x1c5acc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 202         { 0x1c5ad0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 203         { 0x1c5ad4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 204         { 0x1c5ad8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 205         { 0x1c5adc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 206         { 0x1c5ae0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 207         { 0x1c5ae4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 208         { 0x1c5ae8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 209         { 0x1c5aec, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 210         { 0x1c5af0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 211         { 0x1c5af4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 212         { 0x1c5af8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 213         { 0x1c5afc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
 214         { 0x1c5b00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 215         { 0x1c5b04, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
 216         { 0x1c5b08, 0x00000002, 0x00000002, 0x00000002, 0x00000002, },
 217         { 0x1c5b0c, 0x00000003, 0x00000003, 0x00000003, 0x00000003, },
 218         { 0x1c5b10, 0x00000004, 0x00000004, 0x00000004, 0x00000004, },
 219         { 0x1c5b14, 0x00000005, 0x00000005, 0x00000005, 0x00000005, },
 220         { 0x1c5b18, 0x00000008, 0x00000008, 0x00000008, 0x00000008, },
 221         { 0x1c5b1c, 0x00000009, 0x00000009, 0x00000009, 0x00000009, },
 222         { 0x1c5b20, 0x0000000a, 0x0000000a, 0x0000000a, 0x0000000a, },
 223         { 0x1c5b24, 0x0000000b, 0x0000000b, 0x0000000b, 0x0000000b, },
 224         { 0x1c5b28, 0x0000000c, 0x0000000c, 0x0000000c, 0x0000000c, },
 225         { 0x1c5b2c, 0x0000000d, 0x0000000d, 0x0000000d, 0x0000000d, },
 226         { 0x1c5b30, 0x00000010, 0x00000010, 0x00000010, 0x00000010, },
 227         { 0x1c5b34, 0x00000011, 0x00000011, 0x00000011, 0x00000011, },
 228         { 0x1c5b38, 0x00000012, 0x00000012, 0x00000012, 0x00000012, },
 229         { 0x1c5b3c, 0x00000013, 0x00000013, 0x00000013, 0x00000013, },
 230         { 0x1c5b40, 0x00000014, 0x00000014, 0x00000014, 0x00000014, },
 231         { 0x1c5b44, 0x00000015, 0x00000015, 0x00000015, 0x00000015, },
 232         { 0x1c5b48, 0x00000018, 0x00000018, 0x00000018, 0x00000018, },
 233         { 0x1c5b4c, 0x00000019, 0x00000019, 0x00000019, 0x00000019, },
 234         { 0x1c5b50, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, },
 235         { 0x1c5b54, 0x0000001b, 0x0000001b, 0x0000001b, 0x0000001b, },
 236         { 0x1c5b58, 0x0000001c, 0x0000001c, 0x0000001c, 0x0000001c, },
 237         { 0x1c5b5c, 0x0000001d, 0x0000001d, 0x0000001d, 0x0000001d, },
 238         { 0x1c5b60, 0x00000020, 0x00000020, 0x00000020, 0x00000020, },
 239         { 0x1c5b64, 0x00000021, 0x00000021, 0x00000021, 0x00000021, },
 240         { 0x1c5b68, 0x00000022, 0x00000022, 0x00000022, 0x00000022, },
 241         { 0x1c5b6c, 0x00000023, 0x00000023, 0x00000023, 0x00000023, },
 242         { 0x1c5b70, 0x00000024, 0x00000024, 0x00000024, 0x00000024, },
 243         { 0x1c5b74, 0x00000025, 0x00000025, 0x00000025, 0x00000025, },
 244         { 0x1c5b78, 0x00000028, 0x00000028, 0x00000028, 0x00000028, },
 245         { 0x1c5b7c, 0x00000029, 0x00000029, 0x00000029, 0x00000029, },
 246         { 0x1c5b80, 0x0000002a, 0x0000002a, 0x0000002a, 0x0000002a, },
 247         { 0x1c5b84, 0x0000002b, 0x0000002b, 0x0000002b, 0x0000002b, },
 248         { 0x1c5b88, 0x0000002c, 0x0000002c, 0x0000002c, 0x0000002c, },
 249         { 0x1c5b8c, 0x0000002d, 0x0000002d, 0x0000002d, 0x0000002d, },
 250         { 0x1c5b90, 0x00000030, 0x00000030, 0x00000030, 0x00000030, },
 251         { 0x1c5b94, 0x00000031, 0x00000031, 0x00000031, 0x00000031, },
 252         { 0x1c5b98, 0x00000032, 0x00000032, 0x00000032, 0x00000032, },
 253         { 0x1c5b9c, 0x00000033, 0x00000033, 0x00000033, 0x00000033, },
 254         { 0x1c5ba0, 0x00000034, 0x00000034, 0x00000034, 0x00000034, },
 255         { 0x1c5ba4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 256         { 0x1c5ba8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 257         { 0x1c5bac, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 258         { 0x1c5bb0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 259         { 0x1c5bb4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 260         { 0x1c5bb8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 261         { 0x1c5bbc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 262         { 0x1c5bc0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 263         { 0x1c5bc4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 264         { 0x1c5bc8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 265         { 0x1c5bcc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 266         { 0x1c5bd0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 267         { 0x1c5bd4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 268         { 0x1c5bd8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 269         { 0x1c5bdc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 270         { 0x1c5be0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 271         { 0x1c5be4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 272         { 0x1c5be8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 273         { 0x1c5bec, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 274         { 0x1c5bf0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 275         { 0x1c5bf4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
 276         { 0x1c5bf8, 0x00000010, 0x00000010, 0x00000010, 0x00000010, },
 277         { 0x1c5bfc, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, },
 278         { 0x1c5c00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 279         { 0x1c5c0c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 280         { 0x1c5c10, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 281         { 0x1c5c14, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 282         { 0x1c5c18, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 283         { 0x1c5c1c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 284         { 0x1c5c20, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 285         { 0x1c5c24, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 286         { 0x1c5c28, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 287         { 0x1c5c2c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 288         { 0x1c5c30, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 289         { 0x1c5c34, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 290         { 0x1c5c38, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 291         { 0x1c5c3c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 292         { 0x1c5cf0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 293         { 0x1c5cf4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 294         { 0x1c5cf8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 295         { 0x1c5cfc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 296         { 0x1c6200, 0x00000008, 0x00000008, 0x0000000e, 0x0000000e, },
 297         { 0x1c6204, 0x00000440, 0x00000440, 0x00000440, 0x00000440, },
 298         { 0x1c6208, 0xd6be4788, 0xd6be4788, 0xd03e4788, 0xd03e4788, },
 299         { 0x1c620c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
 300         { 0x1c6210, 0x40806333, 0x40806333, 0x40806333, 0x40806333, },
 301         { 0x1c6214, 0x00106c10, 0x00106c10, 0x00106c10, 0x00106c10, },
 302         { 0x1c6218, 0x009c4060, 0x009c4060, 0x009c4060, 0x009c4060, },
 303         { 0x1c621c, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a, },
 304         { 0x1c6220, 0x018830c6, 0x018830c6, 0x018830c6, 0x018830c6, },
 305         { 0x1c6224, 0x00000400, 0x00000400, 0x00000400, 0x00000400, },
 306         { 0x1c6228, 0x000009b5, 0x000009b5, 0x000009b5, 0x000009b5, },
 307         { 0x1c622c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 308         { 0x1c6230, 0x00000108, 0x00000210, 0x00000210, 0x00000108, },
 309         { 0x1c6234, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 310         { 0x1c6238, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 311         { 0x1c623c, 0x13c889af, 0x13c889af, 0x13c889af, 0x13c889af, },
 312         { 0x1c6240, 0x38490a20, 0x38490a20, 0x38490a20, 0x38490a20, },
 313         { 0x1c6244, 0x00007bb6, 0x00007bb6, 0x00007bb6, 0x00007bb6, },
 314         { 0x1c6248, 0x0fff3ffc, 0x0fff3ffc, 0x0fff3ffc, 0x0fff3ffc, },
 315         { 0x1c624c, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
 316         { 0x1c6250, 0x0000a000, 0x0000a000, 0x0000a000, 0x0000a000, },
 317         { 0x1c6254, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 318         { 0x1c6258, 0x0cc75380, 0x0cc75380, 0x0cc75380, 0x0cc75380, },
 319         { 0x1c625c, 0x0f0f0f01, 0x0f0f0f01, 0x0f0f0f01, 0x0f0f0f01, },
 320         { 0x1c6260, 0xdfa91f01, 0xdfa91f01, 0xdfa91f01, 0xdfa91f01, },
 321         { 0x1c6264, 0x00418a11, 0x00418a11, 0x00418a11, 0x00418a11, },
 322         { 0x1c6268, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 323         { 0x1c626c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
 324         { 0x1c6274, 0x0a1a9caa, 0x0a1a9caa, 0x0a1a7caa, 0x0a1a7caa, },
 325         { 0x1c6278, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
 326         { 0x1c627c, 0x051701ce, 0x051701ce, 0x051701ce, 0x051701ce, },
 327         { 0x1c6300, 0x18010000, 0x18010000, 0x18010000, 0x18010000, },
 328         { 0x1c6304, 0x30032602, 0x30032602, 0x2e032402, 0x2e032402, },
 329         { 0x1c6308, 0x48073e06, 0x48073e06, 0x4a0a3c06, 0x4a0a3c06, },
 330         { 0x1c630c, 0x560b4c0a, 0x560b4c0a, 0x621a540b, 0x621a540b, },
 331         { 0x1c6310, 0x641a600f, 0x641a600f, 0x764f6c1b, 0x764f6c1b, },
 332         { 0x1c6314, 0x7a4f6e1b, 0x7a4f6e1b, 0x845b7a5a, 0x845b7a5a, },
 333         { 0x1c6318, 0x8c5b7e5a, 0x8c5b7e5a, 0x950f8ccf, 0x950f8ccf, },
 334         { 0x1c631c, 0x9d0f96cf, 0x9d0f96cf, 0xa5cf9b4f, 0xa5cf9b4f, },
 335         { 0x1c6320, 0xb51fa69f, 0xb51fa69f, 0xbddfaf1f, 0xbddfaf1f, },
 336         { 0x1c6324, 0xcb3fbd07, 0xcb3fbcbf, 0xd1ffc93f, 0xd1ffc93f, },
 337         { 0x1c6328, 0x0000d7bf, 0x0000d7bf, 0x00000000, 0x00000000, },
 338         { 0x1c632c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 339         { 0x1c6330, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 340         { 0x1c6334, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 341         { 0x1c6338, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 342         { 0x1c633c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 343         { 0x1c6340, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 344         { 0x1c6344, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 345         { 0x1c6348, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
 346         { 0x1c634c, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
 347         { 0x1c6350, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
 348         { 0x1c6354, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, },
 349         { 0x1c6358, 0x79a8aa1f, 0x79a8aa1f, 0x79a8aa1f, 0x79a8aa1f, },
 350         { 0x1c6388, 0x08000000, 0x08000000, 0x08000000, 0x08000000, },
 351         { 0x1c638c, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 352         { 0x1c6390, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 353         { 0x1c6394, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
 354         { 0x1c6398, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce, },
 355         { 0x1c639c, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
 356         { 0x1c63a0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 357         { 0x1c63a4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 358         { 0x1c63a8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 359         { 0x1c63ac, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 360         { 0x1c63b0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 361         { 0x1c63b4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 362         { 0x1c63b8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 363         { 0x1c63bc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 364         { 0x1c63c0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 365         { 0x1c63c4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 366         { 0x1c63c8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 367         { 0x1c63cc, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 368         { 0x1c63d0, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 369         { 0x1c63d4, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
 370         { 0x1c63d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
 371         { 0x1c63dc, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
 372         { 0x1c63e0, 0x000000c0, 0x000000c0, 0x000000c0, 0x000000c0, },
 373         { 0x1c6848, 0x00180a65, 0x00180a65, 0x00180a68, 0x00180a68, },
 374         { 0x1c6920, 0x0510001c, 0x0510001c, 0x0510001c, 0x0510001c, },
 375         { 0x1c6960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
 376         { 0x1c720c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
 377         { 0x1c726c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
 378         { 0x1c7848, 0x00180a65, 0x00180a65, 0x00180a68, 0x00180a68, },
 379         { 0x1c7920, 0x0510001c, 0x0510001c, 0x0510001c, 0x0510001c, },
 380         { 0x1c7960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
 381         { 0x1c820c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
 382         { 0x1c826c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
 383 /*      { 0x1c8864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, }, */
 384         { 0x1c8864, 0x0001c600, 0x0001c600, 0x0001c600, 0x0001c600, },
 385         { 0x1c895c, 0x004b6a8e, 0x004b6a8e, 0x004b6a8e, 0x004b6a8e, },
 386         { 0x1c8968, 0x000003ce, 0x000003ce, 0x000003ce, 0x000003ce, },
 387         { 0x1c89bc, 0x00181400, 0x00181400, 0x00181400, 0x00181400, },
 388         { 0x1c9270, 0x00820820, 0x00820820, 0x00820820, 0x00820820, },
 389         { 0x1c935c, 0x066c420f, 0x066c420f, 0x066c420f, 0x066c420f, },
 390         { 0x1c9360, 0x0f282207, 0x0f282207, 0x0f282207, 0x0f282207, },
 391         { 0x1c9364, 0x17601685, 0x17601685, 0x17601685, 0x17601685, },
 392         { 0x1c9368, 0x1f801104, 0x1f801104, 0x1f801104, 0x1f801104, },
 393         { 0x1c936c, 0x37a00c03, 0x37a00c03, 0x37a00c03, 0x37a00c03, },
 394         { 0x1c9370, 0x3fc40883, 0x3fc40883, 0x3fc40883, 0x3fc40883, },
 395         { 0x1c9374, 0x57c00803, 0x57c00803, 0x57c00803, 0x57c00803, },
 396         { 0x1c9378, 0x5fd80682, 0x5fd80682, 0x5fd80682, 0x5fd80682, },
 397         { 0x1c937c, 0x7fe00482, 0x7fe00482, 0x7fe00482, 0x7fe00482, },
 398         { 0x1c9380, 0x7f3c7bba, 0x7f3c7bba, 0x7f3c7bba, 0x7f3c7bba, },
 399         { 0x1c9384, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, }
 400 };
 401 
 402 /*
 403  * look up a certain register in ar5416_phy_init[] and return the init. value
 404  * for the band and bandwidth given. Return 0 if register address not found.
 405  */
 406 static u32 carl9170_def_val(u32 reg, bool is_2ghz, bool is_40mhz)
 407 {
 408         unsigned int i;
 409         for (i = 0; i < ARRAY_SIZE(ar5416_phy_init); i++) {
 410                 if (ar5416_phy_init[i].reg != reg)
 411                         continue;
 412 
 413                 if (is_2ghz) {
 414                         if (is_40mhz)
 415                                 return ar5416_phy_init[i]._2ghz_40;
 416                         else
 417                                 return ar5416_phy_init[i]._2ghz_20;
 418                 } else {
 419                         if (is_40mhz)
 420                                 return ar5416_phy_init[i]._5ghz_40;
 421                         else
 422                                 return ar5416_phy_init[i]._5ghz_20;
 423                 }
 424         }
 425         return 0;
 426 }
 427 
 428 /*
 429  * initialize some phy regs from eeprom values in modal_header[]
 430  * acc. to band and bandwidth
 431  */
 432 static int carl9170_init_phy_from_eeprom(struct ar9170 *ar,
 433                                 bool is_2ghz, bool is_40mhz)
 434 {
 435         static const u8 xpd2pd[16] = {
 436                 0x2, 0x2, 0x2, 0x1, 0x2, 0x2, 0x6, 0x2,
 437                 0x2, 0x3, 0x7, 0x2, 0xb, 0x2, 0x2, 0x2
 438         };
 439         /* pointer to the modal_header acc. to band */
 440         struct ar9170_eeprom_modal *m = &ar->eeprom.modal_header[is_2ghz];
 441         u32 val;
 442 
 443         carl9170_regwrite_begin(ar);
 444 
 445         /* ant common control (index 0) */
 446         carl9170_regwrite(AR9170_PHY_REG_SWITCH_COM,
 447                 le32_to_cpu(m->antCtrlCommon));
 448 
 449         /* ant control chain 0 (index 1) */
 450         carl9170_regwrite(AR9170_PHY_REG_SWITCH_CHAIN_0,
 451                 le32_to_cpu(m->antCtrlChain[0]));
 452 
 453         /* ant control chain 2 (index 2) */
 454         carl9170_regwrite(AR9170_PHY_REG_SWITCH_CHAIN_2,
 455                 le32_to_cpu(m->antCtrlChain[1]));
 456 
 457         /* SwSettle (index 3) */
 458         if (!is_40mhz) {
 459                 val = carl9170_def_val(AR9170_PHY_REG_SETTLING,
 460                                      is_2ghz, is_40mhz);
 461                 SET_VAL(AR9170_PHY_SETTLING_SWITCH, val, m->switchSettling);
 462                 carl9170_regwrite(AR9170_PHY_REG_SETTLING, val);
 463         }
 464 
 465         /* adcDesired, pdaDesired (index 4) */
 466         val = carl9170_def_val(AR9170_PHY_REG_DESIRED_SZ, is_2ghz, is_40mhz);
 467         SET_VAL(AR9170_PHY_DESIRED_SZ_PGA, val, m->pgaDesiredSize);
 468         SET_VAL(AR9170_PHY_DESIRED_SZ_ADC, val, m->adcDesiredSize);
 469         carl9170_regwrite(AR9170_PHY_REG_DESIRED_SZ, val);
 470 
 471         /* TxEndToXpaOff, TxFrameToXpaOn (index 5) */
 472         val = carl9170_def_val(AR9170_PHY_REG_RF_CTL4, is_2ghz, is_40mhz);
 473         SET_VAL(AR9170_PHY_RF_CTL4_TX_END_XPAB_OFF, val, m->txEndToXpaOff);
 474         SET_VAL(AR9170_PHY_RF_CTL4_TX_END_XPAA_OFF, val, m->txEndToXpaOff);
 475         SET_VAL(AR9170_PHY_RF_CTL4_FRAME_XPAB_ON, val, m->txFrameToXpaOn);
 476         SET_VAL(AR9170_PHY_RF_CTL4_FRAME_XPAA_ON, val, m->txFrameToXpaOn);
 477         carl9170_regwrite(AR9170_PHY_REG_RF_CTL4, val);
 478 
 479         /* TxEndToRxOn (index 6) */
 480         val = carl9170_def_val(AR9170_PHY_REG_RF_CTL3, is_2ghz, is_40mhz);
 481         SET_VAL(AR9170_PHY_RF_CTL3_TX_END_TO_A2_RX_ON, val, m->txEndToRxOn);
 482         carl9170_regwrite(AR9170_PHY_REG_RF_CTL3, val);
 483 
 484         /* thresh62 (index 7) */
 485         val = carl9170_def_val(0x1c8864, is_2ghz, is_40mhz);
 486         val = (val & ~0x7f000) | (m->thresh62 << 12);
 487         carl9170_regwrite(0x1c8864, val);
 488 
 489         /* tx/rx attenuation chain 0 (index 8) */
 490         val = carl9170_def_val(AR9170_PHY_REG_RXGAIN, is_2ghz, is_40mhz);
 491         SET_VAL(AR9170_PHY_RXGAIN_TXRX_ATTEN, val, m->txRxAttenCh[0]);
 492         carl9170_regwrite(AR9170_PHY_REG_RXGAIN, val);
 493 
 494         /* tx/rx attenuation chain 2 (index 9) */
 495         val = carl9170_def_val(AR9170_PHY_REG_RXGAIN_CHAIN_2,
 496                                is_2ghz, is_40mhz);
 497         SET_VAL(AR9170_PHY_RXGAIN_TXRX_ATTEN, val, m->txRxAttenCh[1]);
 498         carl9170_regwrite(AR9170_PHY_REG_RXGAIN_CHAIN_2, val);
 499 
 500         /* tx/rx margin chain 0 (index 10) */
 501         val = carl9170_def_val(AR9170_PHY_REG_GAIN_2GHZ, is_2ghz, is_40mhz);
 502         SET_VAL(AR9170_PHY_GAIN_2GHZ_RXTX_MARGIN, val, m->rxTxMarginCh[0]);
 503         /* bsw margin chain 0 for 5GHz only */
 504         if (!is_2ghz)
 505                 SET_VAL(AR9170_PHY_GAIN_2GHZ_BSW_MARGIN, val, m->bswMargin[0]);
 506         carl9170_regwrite(AR9170_PHY_REG_GAIN_2GHZ, val);
 507 
 508         /* tx/rx margin chain 2 (index 11) */
 509         val = carl9170_def_val(AR9170_PHY_REG_GAIN_2GHZ_CHAIN_2,
 510                                is_2ghz, is_40mhz);
 511         SET_VAL(AR9170_PHY_GAIN_2GHZ_RXTX_MARGIN, val, m->rxTxMarginCh[1]);
 512         carl9170_regwrite(AR9170_PHY_REG_GAIN_2GHZ_CHAIN_2, val);
 513 
 514         /* iqCall, iqCallq chain 0 (index 12) */
 515         val = carl9170_def_val(AR9170_PHY_REG_TIMING_CTRL4(0),
 516                                is_2ghz, is_40mhz);
 517         SET_VAL(AR9170_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF, val, m->iqCalICh[0]);
 518         SET_VAL(AR9170_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF, val, m->iqCalQCh[0]);
 519         carl9170_regwrite(AR9170_PHY_REG_TIMING_CTRL4(0), val);
 520 
 521         /* iqCall, iqCallq chain 2 (index 13) */
 522         val = carl9170_def_val(AR9170_PHY_REG_TIMING_CTRL4(2),
 523                                is_2ghz, is_40mhz);
 524         SET_VAL(AR9170_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF, val, m->iqCalICh[1]);
 525         SET_VAL(AR9170_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF, val, m->iqCalQCh[1]);
 526         carl9170_regwrite(AR9170_PHY_REG_TIMING_CTRL4(2), val);
 527 
 528         /* xpd gain mask (index 14) */
 529         val = carl9170_def_val(AR9170_PHY_REG_TPCRG1, is_2ghz, is_40mhz);
 530         SET_VAL(AR9170_PHY_TPCRG1_PD_GAIN_1, val,
 531                 xpd2pd[m->xpdGain & 0xf] & 3);
 532         SET_VAL(AR9170_PHY_TPCRG1_PD_GAIN_2, val,
 533                 xpd2pd[m->xpdGain & 0xf] >> 2);
 534         carl9170_regwrite(AR9170_PHY_REG_TPCRG1, val);
 535 
 536         carl9170_regwrite(AR9170_PHY_REG_RX_CHAINMASK, ar->eeprom.rx_mask);
 537         carl9170_regwrite(AR9170_PHY_REG_CAL_CHAINMASK, ar->eeprom.rx_mask);
 538 
 539         carl9170_regwrite_finish();
 540         return carl9170_regwrite_result();
 541 }
 542 
 543 static int carl9170_init_phy(struct ar9170 *ar, enum nl80211_band band)
 544 {
 545         int i, err;
 546         u32 val;
 547         bool is_2ghz = band == NL80211_BAND_2GHZ;
 548         bool is_40mhz = conf_is_ht40(&ar->hw->conf);
 549 
 550         carl9170_regwrite_begin(ar);
 551 
 552         for (i = 0; i < ARRAY_SIZE(ar5416_phy_init); i++) {
 553                 if (is_40mhz) {
 554                         if (is_2ghz)
 555                                 val = ar5416_phy_init[i]._2ghz_40;
 556                         else
 557                                 val = ar5416_phy_init[i]._5ghz_40;
 558                 } else {
 559                         if (is_2ghz)
 560                                 val = ar5416_phy_init[i]._2ghz_20;
 561                         else
 562                                 val = ar5416_phy_init[i]._5ghz_20;
 563                 }
 564 
 565                 carl9170_regwrite(ar5416_phy_init[i].reg, val);
 566         }
 567 
 568         carl9170_regwrite_finish();
 569         err = carl9170_regwrite_result();
 570         if (err)
 571                 return err;
 572 
 573         err = carl9170_init_phy_from_eeprom(ar, is_2ghz, is_40mhz);
 574         if (err)
 575                 return err;
 576 
 577         err = carl9170_init_power_cal(ar);
 578         if (err)
 579                 return err;
 580 
 581         if (!ar->fw.hw_counters) {
 582                 err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC,
 583                                          is_2ghz ? 0x5163 : 0x5143);
 584         }
 585 
 586         return err;
 587 }
 588 
 589 struct carl9170_rf_initvals {
 590         u32 reg, _5ghz, _2ghz;
 591 };
 592 
 593 static struct carl9170_rf_initvals carl9170_rf_initval[] = {
 594         /* bank 0 */
 595         { 0x1c58b0, 0x1e5795e5, 0x1e5795e5},
 596         { 0x1c58e0, 0x02008020, 0x02008020},
 597         /* bank 1 */
 598         { 0x1c58b0, 0x02108421, 0x02108421},
 599         { 0x1c58ec, 0x00000008, 0x00000008},
 600         /* bank 2 */
 601         { 0x1c58b0, 0x0e73ff17, 0x0e73ff17},
 602         { 0x1c58e0, 0x00000420, 0x00000420},
 603         /* bank 3 */
 604         { 0x1c58f0, 0x01400018, 0x01c00018},
 605         /* bank 4 */
 606         { 0x1c58b0, 0x000001a1, 0x000001a1},
 607         { 0x1c58e8, 0x00000001, 0x00000001},
 608         /* bank 5 */
 609         { 0x1c58b0, 0x00000013, 0x00000013},
 610         { 0x1c58e4, 0x00000002, 0x00000002},
 611         /* bank 6 */
 612         { 0x1c58b0, 0x00000000, 0x00000000},
 613         { 0x1c58b0, 0x00000000, 0x00000000},
 614         { 0x1c58b0, 0x00000000, 0x00000000},
 615         { 0x1c58b0, 0x00000000, 0x00000000},
 616         { 0x1c58b0, 0x00000000, 0x00000000},
 617         { 0x1c58b0, 0x00004000, 0x00004000},
 618         { 0x1c58b0, 0x00006c00, 0x00006c00},
 619         { 0x1c58b0, 0x00002c00, 0x00002c00},
 620         { 0x1c58b0, 0x00004800, 0x00004800},
 621         { 0x1c58b0, 0x00004000, 0x00004000},
 622         { 0x1c58b0, 0x00006000, 0x00006000},
 623         { 0x1c58b0, 0x00001000, 0x00001000},
 624         { 0x1c58b0, 0x00004000, 0x00004000},
 625         { 0x1c58b0, 0x00007c00, 0x00007c00},
 626         { 0x1c58b0, 0x00007c00, 0x00007c00},
 627         { 0x1c58b0, 0x00007c00, 0x00007c00},
 628         { 0x1c58b0, 0x00007c00, 0x00007c00},
 629         { 0x1c58b0, 0x00007c00, 0x00007c00},
 630         { 0x1c58b0, 0x00087c00, 0x00087c00},
 631         { 0x1c58b0, 0x00007c00, 0x00007c00},
 632         { 0x1c58b0, 0x00005400, 0x00005400},
 633         { 0x1c58b0, 0x00000c00, 0x00000c00},
 634         { 0x1c58b0, 0x00001800, 0x00001800},
 635         { 0x1c58b0, 0x00007c00, 0x00007c00},
 636         { 0x1c58b0, 0x00006c00, 0x00006c00},
 637         { 0x1c58b0, 0x00006c00, 0x00006c00},
 638         { 0x1c58b0, 0x00007c00, 0x00007c00},
 639         { 0x1c58b0, 0x00002c00, 0x00002c00},
 640         { 0x1c58b0, 0x00003c00, 0x00003c00},
 641         { 0x1c58b0, 0x00003800, 0x00003800},
 642         { 0x1c58b0, 0x00001c00, 0x00001c00},
 643         { 0x1c58b0, 0x00000800, 0x00000800},
 644         { 0x1c58b0, 0x00000408, 0x00000408},
 645         { 0x1c58b0, 0x00004c15, 0x00004c15},
 646         { 0x1c58b0, 0x00004188, 0x00004188},
 647         { 0x1c58b0, 0x0000201e, 0x0000201e},
 648         { 0x1c58b0, 0x00010408, 0x00010408},
 649         { 0x1c58b0, 0x00000801, 0x00000801},
 650         { 0x1c58b0, 0x00000c08, 0x00000c08},
 651         { 0x1c58b0, 0x0000181e, 0x0000181e},
 652         { 0x1c58b0, 0x00001016, 0x00001016},
 653         { 0x1c58b0, 0x00002800, 0x00002800},
 654         { 0x1c58b0, 0x00004010, 0x00004010},
 655         { 0x1c58b0, 0x0000081c, 0x0000081c},
 656         { 0x1c58b0, 0x00000115, 0x00000115},
 657         { 0x1c58b0, 0x00000015, 0x00000015},
 658         { 0x1c58b0, 0x00000066, 0x00000066},
 659         { 0x1c58b0, 0x0000001c, 0x0000001c},
 660         { 0x1c58b0, 0x00000000, 0x00000000},
 661         { 0x1c58b0, 0x00000004, 0x00000004},
 662         { 0x1c58b0, 0x00000015, 0x00000015},
 663         { 0x1c58b0, 0x0000001f, 0x0000001f},
 664         { 0x1c58e0, 0x00000000, 0x00000400},
 665         /* bank 7 */
 666         { 0x1c58b0, 0x000000a0, 0x000000a0},
 667         { 0x1c58b0, 0x00000000, 0x00000000},
 668         { 0x1c58b0, 0x00000040, 0x00000040},
 669         { 0x1c58f0, 0x0000001c, 0x0000001c},
 670 };
 671 
 672 static int carl9170_init_rf_banks_0_7(struct ar9170 *ar, bool band5ghz)
 673 {
 674         int err, i;
 675 
 676         carl9170_regwrite_begin(ar);
 677 
 678         for (i = 0; i < ARRAY_SIZE(carl9170_rf_initval); i++)
 679                 carl9170_regwrite(carl9170_rf_initval[i].reg,
 680                                   band5ghz ? carl9170_rf_initval[i]._5ghz
 681                                            : carl9170_rf_initval[i]._2ghz);
 682 
 683         carl9170_regwrite_finish();
 684         err = carl9170_regwrite_result();
 685         if (err)
 686                 wiphy_err(ar->hw->wiphy, "rf init failed\n");
 687 
 688         return err;
 689 }
 690 
 691 struct carl9170_phy_freq_params {
 692         u8 coeff_exp;
 693         u16 coeff_man;
 694         u8 coeff_exp_shgi;
 695         u16 coeff_man_shgi;
 696 };
 697 
 698 enum carl9170_bw {
 699         CARL9170_BW_20,
 700         CARL9170_BW_40_BELOW,
 701         CARL9170_BW_40_ABOVE,
 702 
 703         __CARL9170_NUM_BW,
 704 };
 705 
 706 struct carl9170_phy_freq_entry {
 707         u16 freq;
 708         struct carl9170_phy_freq_params params[__CARL9170_NUM_BW];
 709 };
 710 
 711 /* NB: must be in sync with channel tables in main! */
 712 static const struct carl9170_phy_freq_entry carl9170_phy_freq_params[] = {
 713 /*
 714  *      freq,
 715  *              20MHz,
 716  *              40MHz (below),
 717  *              40Mhz (above),
 718  */
 719         { 2412, {
 720                 { 3, 21737, 3, 19563, },
 721                 { 3, 21827, 3, 19644, },
 722                 { 3, 21647, 3, 19482, },
 723         } },
 724         { 2417, {
 725                 { 3, 21692, 3, 19523, },
 726                 { 3, 21782, 3, 19604, },
 727                 { 3, 21602, 3, 19442, },
 728         } },
 729         { 2422, {
 730                 { 3, 21647, 3, 19482, },
 731                 { 3, 21737, 3, 19563, },
 732                 { 3, 21558, 3, 19402, },
 733         } },
 734         { 2427, {
 735                 { 3, 21602, 3, 19442, },
 736                 { 3, 21692, 3, 19523, },
 737                 { 3, 21514, 3, 19362, },
 738         } },
 739         { 2432, {
 740                 { 3, 21558, 3, 19402, },
 741                 { 3, 21647, 3, 19482, },
 742                 { 3, 21470, 3, 19323, },
 743         } },
 744         { 2437, {
 745                 { 3, 21514, 3, 19362, },
 746                 { 3, 21602, 3, 19442, },
 747                 { 3, 21426, 3, 19283, },
 748         } },
 749         { 2442, {
 750                 { 3, 21470, 3, 19323, },
 751                 { 3, 21558, 3, 19402, },
 752                 { 3, 21382, 3, 19244, },
 753         } },
 754         { 2447, {
 755                 { 3, 21426, 3, 19283, },
 756                 { 3, 21514, 3, 19362, },
 757                 { 3, 21339, 3, 19205, },
 758         } },
 759         { 2452, {
 760                 { 3, 21382, 3, 19244, },
 761                 { 3, 21470, 3, 19323, },
 762                 { 3, 21295, 3, 19166, },
 763         } },
 764         { 2457, {
 765                 { 3, 21339, 3, 19205, },
 766                 { 3, 21426, 3, 19283, },
 767                 { 3, 21252, 3, 19127, },
 768         } },
 769         { 2462, {
 770                 { 3, 21295, 3, 19166, },
 771                 { 3, 21382, 3, 19244, },
 772                 { 3, 21209, 3, 19088, },
 773         } },
 774         { 2467, {
 775                 { 3, 21252, 3, 19127, },
 776                 { 3, 21339, 3, 19205, },
 777                 { 3, 21166, 3, 19050, },
 778         } },
 779         { 2472, {
 780                 { 3, 21209, 3, 19088, },
 781                 { 3, 21295, 3, 19166, },
 782                 { 3, 21124, 3, 19011, },
 783         } },
 784         { 2484, {
 785                 { 3, 21107, 3, 18996, },
 786                 { 3, 21192, 3, 19073, },
 787                 { 3, 21022, 3, 18920, },
 788         } },
 789         { 4920, {
 790                 { 4, 21313, 4, 19181, },
 791                 { 4, 21356, 4, 19220, },
 792                 { 4, 21269, 4, 19142, },
 793         } },
 794         { 4940, {
 795                 { 4, 21226, 4, 19104, },
 796                 { 4, 21269, 4, 19142, },
 797                 { 4, 21183, 4, 19065, },
 798         } },
 799         { 4960, {
 800                 { 4, 21141, 4, 19027, },
 801                 { 4, 21183, 4, 19065, },
 802                 { 4, 21098, 4, 18988, },
 803         } },
 804         { 4980, {
 805                 { 4, 21056, 4, 18950, },
 806                 { 4, 21098, 4, 18988, },
 807                 { 4, 21014, 4, 18912, },
 808         } },
 809         { 5040, {
 810                 { 4, 20805, 4, 18725, },
 811                 { 4, 20846, 4, 18762, },
 812                 { 4, 20764, 4, 18687, },
 813         } },
 814         { 5060, {
 815                 { 4, 20723, 4, 18651, },
 816                 { 4, 20764, 4, 18687, },
 817                 { 4, 20682, 4, 18614, },
 818         } },
 819         { 5080, {
 820                 { 4, 20641, 4, 18577, },
 821                 { 4, 20682, 4, 18614, },
 822                 { 4, 20601, 4, 18541, },
 823         } },
 824         { 5180, {
 825                 { 4, 20243, 4, 18219, },
 826                 { 4, 20282, 4, 18254, },
 827                 { 4, 20204, 4, 18183, },
 828         } },
 829         { 5200, {
 830                 { 4, 20165, 4, 18148, },
 831                 { 4, 20204, 4, 18183, },
 832                 { 4, 20126, 4, 18114, },
 833         } },
 834         { 5220, {
 835                 { 4, 20088, 4, 18079, },
 836                 { 4, 20126, 4, 18114, },
 837                 { 4, 20049, 4, 18044, },
 838         } },
 839         { 5240, {
 840                 { 4, 20011, 4, 18010, },
 841                 { 4, 20049, 4, 18044, },
 842                 { 4, 19973, 4, 17976, },
 843         } },
 844         { 5260, {
 845                 { 4, 19935, 4, 17941, },
 846                 { 4, 19973, 4, 17976, },
 847                 { 4, 19897, 4, 17907, },
 848         } },
 849         { 5280, {
 850                 { 4, 19859, 4, 17873, },
 851                 { 4, 19897, 4, 17907, },
 852                 { 4, 19822, 4, 17840, },
 853         } },
 854         { 5300, {
 855                 { 4, 19784, 4, 17806, },
 856                 { 4, 19822, 4, 17840, },
 857                 { 4, 19747, 4, 17772, },
 858         } },
 859         { 5320, {
 860                 { 4, 19710, 4, 17739, },
 861                 { 4, 19747, 4, 17772, },
 862                 { 4, 19673, 4, 17706, },
 863         } },
 864         { 5500, {
 865                 { 4, 19065, 4, 17159, },
 866                 { 4, 19100, 4, 17190, },
 867                 { 4, 19030, 4, 17127, },
 868         } },
 869         { 5520, {
 870                 { 4, 18996, 4, 17096, },
 871                 { 4, 19030, 4, 17127, },
 872                 { 4, 18962, 4, 17065, },
 873         } },
 874         { 5540, {
 875                 { 4, 18927, 4, 17035, },
 876                 { 4, 18962, 4, 17065, },
 877                 { 4, 18893, 4, 17004, },
 878         } },
 879         { 5560, {
 880                 { 4, 18859, 4, 16973, },
 881                 { 4, 18893, 4, 17004, },
 882                 { 4, 18825, 4, 16943, },
 883         } },
 884         { 5580, {
 885                 { 4, 18792, 4, 16913, },
 886                 { 4, 18825, 4, 16943, },
 887                 { 4, 18758, 4, 16882, },
 888         } },
 889         { 5600, {
 890                 { 4, 18725, 4, 16852, },
 891                 { 4, 18758, 4, 16882, },
 892                 { 4, 18691, 4, 16822, },
 893         } },
 894         { 5620, {
 895                 { 4, 18658, 4, 16792, },
 896                 { 4, 18691, 4, 16822, },
 897                 { 4, 18625, 4, 16762, },
 898         } },
 899         { 5640, {
 900                 { 4, 18592, 4, 16733, },
 901                 { 4, 18625, 4, 16762, },
 902                 { 4, 18559, 4, 16703, },
 903         } },
 904         { 5660, {
 905                 { 4, 18526, 4, 16673, },
 906                 { 4, 18559, 4, 16703, },
 907                 { 4, 18493, 4, 16644, },
 908         } },
 909         { 5680, {
 910                 { 4, 18461, 4, 16615, },
 911                 { 4, 18493, 4, 16644, },
 912                 { 4, 18428, 4, 16586, },
 913         } },
 914         { 5700, {
 915                 { 4, 18396, 4, 16556, },
 916                 { 4, 18428, 4, 16586, },
 917                 { 4, 18364, 4, 16527, },
 918         } },
 919         { 5745, {
 920                 { 4, 18252, 4, 16427, },
 921                 { 4, 18284, 4, 16455, },
 922                 { 4, 18220, 4, 16398, },
 923         } },
 924         { 5765, {
 925                 { 4, 18189, 5, 32740, },
 926                 { 4, 18220, 4, 16398, },
 927                 { 4, 18157, 5, 32683, },
 928         } },
 929         { 5785, {
 930                 { 4, 18126, 5, 32626, },
 931                 { 4, 18157, 5, 32683, },
 932                 { 4, 18094, 5, 32570, },
 933         } },
 934         { 5805, {
 935                 { 4, 18063, 5, 32514, },
 936                 { 4, 18094, 5, 32570, },
 937                 { 4, 18032, 5, 32458, },
 938         } },
 939         { 5825, {
 940                 { 4, 18001, 5, 32402, },
 941                 { 4, 18032, 5, 32458, },
 942                 { 4, 17970, 5, 32347, },
 943         } },
 944         { 5170, {
 945                 { 4, 20282, 4, 18254, },
 946                 { 4, 20321, 4, 18289, },
 947                 { 4, 20243, 4, 18219, },
 948         } },
 949         { 5190, {
 950                 { 4, 20204, 4, 18183, },
 951                 { 4, 20243, 4, 18219, },
 952                 { 4, 20165, 4, 18148, },
 953         } },
 954         { 5210, {
 955                 { 4, 20126, 4, 18114, },
 956                 { 4, 20165, 4, 18148, },
 957                 { 4, 20088, 4, 18079, },
 958         } },
 959         { 5230, {
 960                 { 4, 20049, 4, 18044, },
 961                 { 4, 20088, 4, 18079, },
 962                 { 4, 20011, 4, 18010, },
 963         } },
 964 };
 965 
 966 static int carl9170_init_rf_bank4_pwr(struct ar9170 *ar, bool band5ghz,
 967                                       u32 freq, enum carl9170_bw bw)
 968 {
 969         int err;
 970         u32 d0, d1, td0, td1, fd0, fd1;
 971         u8 chansel;
 972         u8 refsel0 = 1, refsel1 = 0;
 973         u8 lf_synth = 0;
 974 
 975         switch (bw) {
 976         case CARL9170_BW_40_ABOVE:
 977                 freq += 10;
 978                 break;
 979         case CARL9170_BW_40_BELOW:
 980                 freq -= 10;
 981                 break;
 982         case CARL9170_BW_20:
 983                 break;
 984         default:
 985                 BUG();
 986                 return -ENOSYS;
 987         }
 988 
 989         if (band5ghz) {
 990                 if (freq % 10) {
 991                         chansel = (freq - 4800) / 5;
 992                 } else {
 993                         chansel = ((freq - 4800) / 10) * 2;
 994                         refsel0 = 0;
 995                         refsel1 = 1;
 996                 }
 997                 chansel = bitrev8(chansel);
 998         } else {
 999                 if (freq == 2484) {
1000                         chansel = 10 + (freq - 2274) / 5;
1001                         lf_synth = 1;
1002                 } else
1003                         chansel = 16 + (freq - 2272) / 5;
1004                 chansel *= 4;
1005                 chansel = bitrev8(chansel);
1006         }
1007 
1008         d1 =    chansel;
1009         d0 =    0x21 |
1010                 refsel0 << 3 |
1011                 refsel1 << 2 |
1012                 lf_synth << 1;
1013         td0 =   d0 & 0x1f;
1014         td1 =   d1 & 0x1f;
1015         fd0 =   td1 << 5 | td0;
1016 
1017         td0 =   (d0 >> 5) & 0x7;
1018         td1 =   (d1 >> 5) & 0x7;
1019         fd1 =   td1 << 5 | td0;
1020 
1021         carl9170_regwrite_begin(ar);
1022 
1023         carl9170_regwrite(0x1c58b0, fd0);
1024         carl9170_regwrite(0x1c58e8, fd1);
1025 
1026         carl9170_regwrite_finish();
1027         err = carl9170_regwrite_result();
1028         if (err)
1029                 return err;
1030 
1031         return 0;
1032 }
1033 
1034 static const struct carl9170_phy_freq_params *
1035 carl9170_get_hw_dyn_params(struct ieee80211_channel *channel,
1036                            enum carl9170_bw bw)
1037 {
1038         unsigned int chanidx = 0;
1039         u16 freq = 2412;
1040 
1041         if (channel) {
1042                 chanidx = channel->hw_value;
1043                 freq = channel->center_freq;
1044         }
1045 
1046         BUG_ON(chanidx >= ARRAY_SIZE(carl9170_phy_freq_params));
1047 
1048         BUILD_BUG_ON(__CARL9170_NUM_BW != 3);
1049 
1050         WARN_ON(carl9170_phy_freq_params[chanidx].freq != freq);
1051 
1052         return &carl9170_phy_freq_params[chanidx].params[bw];
1053 }
1054 
1055 static int carl9170_find_freq_idx(int nfreqs, u8 *freqs, u8 f)
1056 {
1057         int idx = nfreqs - 2;
1058 
1059         while (idx >= 0) {
1060                 if (f >= freqs[idx])
1061                         return idx;
1062                 idx--;
1063         }
1064 
1065         return 0;
1066 }
1067 
1068 static s32 carl9170_interpolate_s32(s32 x, s32 x1, s32 y1, s32 x2, s32 y2)
1069 {
1070         /* nothing to interpolate, it's horizontal */
1071         if (y2 == y1)
1072                 return y1;
1073 
1074         /* check if we hit one of the edges */
1075         if (x == x1)
1076                 return y1;
1077         if (x == x2)
1078                 return y2;
1079 
1080         /* x1 == x2 is bad, hopefully == x */
1081         if (x2 == x1)
1082                 return y1;
1083 
1084         return y1 + (((y2 - y1) * (x - x1)) / (x2 - x1));
1085 }
1086 
1087 static u8 carl9170_interpolate_u8(u8 x, u8 x1, u8 y1, u8 x2, u8 y2)
1088 {
1089 #define SHIFT           8
1090         s32 y;
1091 
1092         y = carl9170_interpolate_s32(x << SHIFT, x1 << SHIFT,
1093                 y1 << SHIFT, x2 << SHIFT, y2 << SHIFT);
1094 
1095         /*
1096          * XXX: unwrap this expression
1097          *      Isn't it just DIV_ROUND_UP(y, 1<<SHIFT)?
1098          *      Can we rely on the compiler to optimise away the div?
1099          */
1100         return (y >> SHIFT) + ((y & (1 << (SHIFT - 1))) >> (SHIFT - 1));
1101 #undef SHIFT
1102 }
1103 
1104 static u8 carl9170_interpolate_val(u8 x, u8 *x_array, u8 *y_array)
1105 {
1106         int i;
1107 
1108         for (i = 0; i < 3; i++) {
1109                 if (x <= x_array[i + 1])
1110                         break;
1111         }
1112 
1113         return carl9170_interpolate_u8(x, x_array[i], y_array[i],
1114                 x_array[i + 1], y_array[i + 1]);
1115 }
1116 
1117 static int carl9170_set_freq_cal_data(struct ar9170 *ar,
1118         struct ieee80211_channel *channel)
1119 {
1120         u8 *cal_freq_pier;
1121         u8 vpds[2][AR5416_PD_GAIN_ICEPTS];
1122         u8 pwrs[2][AR5416_PD_GAIN_ICEPTS];
1123         int chain, idx, i;
1124         u32 phy_data = 0;
1125         u8 f, tmp;
1126 
1127         switch (channel->band) {
1128         case NL80211_BAND_2GHZ:
1129                 f = channel->center_freq - 2300;
1130                 cal_freq_pier = ar->eeprom.cal_freq_pier_2G;
1131                 i = AR5416_NUM_2G_CAL_PIERS - 1;
1132                 break;
1133 
1134         case NL80211_BAND_5GHZ:
1135                 f = (channel->center_freq - 4800) / 5;
1136                 cal_freq_pier = ar->eeprom.cal_freq_pier_5G;
1137                 i = AR5416_NUM_5G_CAL_PIERS - 1;
1138                 break;
1139 
1140         default:
1141                 return -EINVAL;
1142         }
1143 
1144         for (; i >= 0; i--) {
1145                 if (cal_freq_pier[i] != 0xff)
1146                         break;
1147         }
1148         if (i < 0)
1149                 return -EINVAL;
1150 
1151         idx = carl9170_find_freq_idx(i, cal_freq_pier, f);
1152 
1153         carl9170_regwrite_begin(ar);
1154 
1155         for (chain = 0; chain < AR5416_MAX_CHAINS; chain++) {
1156                 for (i = 0; i < AR5416_PD_GAIN_ICEPTS; i++) {
1157                         struct ar9170_calibration_data_per_freq *cal_pier_data;
1158                         int j;
1159 
1160                         switch (channel->band) {
1161                         case NL80211_BAND_2GHZ:
1162                                 cal_pier_data = &ar->eeprom.
1163                                         cal_pier_data_2G[chain][idx];
1164                                 break;
1165 
1166                         case NL80211_BAND_5GHZ:
1167                                 cal_pier_data = &ar->eeprom.
1168                                         cal_pier_data_5G[chain][idx];
1169                                 break;
1170 
1171                         default:
1172                                 return -EINVAL;
1173                         }
1174 
1175                         for (j = 0; j < 2; j++) {
1176                                 vpds[j][i] = carl9170_interpolate_u8(f,
1177                                         cal_freq_pier[idx],
1178                                         cal_pier_data->vpd_pdg[j][i],
1179                                         cal_freq_pier[idx + 1],
1180                                         cal_pier_data[1].vpd_pdg[j][i]);
1181 
1182                                 pwrs[j][i] = carl9170_interpolate_u8(f,
1183                                         cal_freq_pier[idx],
1184                                         cal_pier_data->pwr_pdg[j][i],
1185                                         cal_freq_pier[idx + 1],
1186                                         cal_pier_data[1].pwr_pdg[j][i]) / 2;
1187                         }
1188                 }
1189 
1190                 for (i = 0; i < 76; i++) {
1191                         if (i < 25) {
1192                                 tmp = carl9170_interpolate_val(i, &pwrs[0][0],
1193                                                                &vpds[0][0]);
1194                         } else {
1195                                 tmp = carl9170_interpolate_val(i - 12,
1196                                                                &pwrs[1][0],
1197                                                                &vpds[1][0]);
1198                         }
1199 
1200                         phy_data |= tmp << ((i & 3) << 3);
1201                         if ((i & 3) == 3) {
1202                                 carl9170_regwrite(0x1c6280 + chain * 0x1000 +
1203                                                   (i & ~3), phy_data);
1204                                 phy_data = 0;
1205                         }
1206                 }
1207 
1208                 for (i = 19; i < 32; i++)
1209                         carl9170_regwrite(0x1c6280 + chain * 0x1000 + (i << 2),
1210                                           0x0);
1211         }
1212 
1213         carl9170_regwrite_finish();
1214         return carl9170_regwrite_result();
1215 }
1216 
1217 static u8 carl9170_get_max_edge_power(struct ar9170 *ar,
1218         u32 freq, struct ar9170_calctl_edges edges[])
1219 {
1220         int i;
1221         u8 rc = AR5416_MAX_RATE_POWER;
1222         u8 f;
1223         if (freq < 3000)
1224                 f = freq - 2300;
1225         else
1226                 f = (freq - 4800) / 5;
1227 
1228         for (i = 0; i < AR5416_NUM_BAND_EDGES; i++) {
1229                 if (edges[i].channel == 0xff)
1230                         break;
1231                 if (f == edges[i].channel) {
1232                         /* exact freq match */
1233                         rc = edges[i].power_flags & ~AR9170_CALCTL_EDGE_FLAGS;
1234                         break;
1235                 }
1236                 if (i > 0 && f < edges[i].channel) {
1237                         if (f > edges[i - 1].channel &&
1238                             edges[i - 1].power_flags &
1239                             AR9170_CALCTL_EDGE_FLAGS) {
1240                                 /* lower channel has the inband flag set */
1241                                 rc = edges[i - 1].power_flags &
1242                                         ~AR9170_CALCTL_EDGE_FLAGS;
1243                         }
1244                         break;
1245                 }
1246         }
1247 
1248         if (i == AR5416_NUM_BAND_EDGES) {
1249                 if (f > edges[i - 1].channel &&
1250                     edges[i - 1].power_flags & AR9170_CALCTL_EDGE_FLAGS) {
1251                         /* lower channel has the inband flag set */
1252                         rc = edges[i - 1].power_flags &
1253                                 ~AR9170_CALCTL_EDGE_FLAGS;
1254                 }
1255         }
1256         return rc;
1257 }
1258 
1259 static u8 carl9170_get_heavy_clip(struct ar9170 *ar, u32 freq,
1260         enum carl9170_bw bw, struct ar9170_calctl_edges edges[])
1261 {
1262         u8 f;
1263         int i;
1264         u8 rc = 0;
1265 
1266         if (freq < 3000)
1267                 f = freq - 2300;
1268         else
1269                 f = (freq - 4800) / 5;
1270 
1271         if (bw == CARL9170_BW_40_BELOW || bw == CARL9170_BW_40_ABOVE)
1272                 rc |= 0xf0;
1273 
1274         for (i = 0; i < AR5416_NUM_BAND_EDGES; i++) {
1275                 if (edges[i].channel == 0xff)
1276                         break;
1277                 if (f == edges[i].channel) {
1278                         if (!(edges[i].power_flags & AR9170_CALCTL_EDGE_FLAGS))
1279                                 rc |= 0x0f;
1280                         break;
1281                 }
1282         }
1283 
1284         return rc;
1285 }
1286 
1287 /*
1288  * calculate the conformance test limits and the heavy clip parameter
1289  * and apply them to ar->power* (derived from otus hal/hpmain.c, line 3706)
1290  */
1291 static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw)
1292 {
1293         u8 ctl_grp; /* CTL group */
1294         u8 ctl_idx; /* CTL index */
1295         int i, j;
1296         struct ctl_modes {
1297                 u8 ctl_mode;
1298                 u8 max_power;
1299                 u8 *pwr_cal_data;
1300                 int pwr_cal_len;
1301         } *modes;
1302 
1303         /*
1304          * order is relevant in the mode_list_*: we fall back to the
1305          * lower indices if any mode is missed in the EEPROM.
1306          */
1307         struct ctl_modes mode_list_2ghz[] = {
1308                 { CTL_11B, 0, ar->power_2G_cck, 4 },
1309                 { CTL_11G, 0, ar->power_2G_ofdm, 4 },
1310                 { CTL_2GHT20, 0, ar->power_2G_ht20, 8 },
1311                 { CTL_2GHT40, 0, ar->power_2G_ht40, 8 },
1312         };
1313         struct ctl_modes mode_list_5ghz[] = {
1314                 { CTL_11A, 0, ar->power_5G_leg, 4 },
1315                 { CTL_5GHT20, 0, ar->power_5G_ht20, 8 },
1316                 { CTL_5GHT40, 0, ar->power_5G_ht40, 8 },
1317         };
1318         int nr_modes;
1319 
1320 #define EDGES(c, n) (ar->eeprom.ctl_data[c].control_edges[n])
1321 
1322         ar->heavy_clip = 0;
1323 
1324         /*
1325          * TODO: investigate the differences between OTUS'
1326          * hpreg.c::zfHpGetRegulatoryDomain() and
1327          * ath/regd.c::ath_regd_get_band_ctl() -
1328          * e.g. for FCC3_WORLD the OTUS procedure
1329          * always returns CTL_FCC, while the one in ath/ delivers
1330          * CTL_ETSI for 2GHz and CTL_FCC for 5GHz.
1331          */
1332         ctl_grp = ath_regd_get_band_ctl(&ar->common.regulatory,
1333                                         ar->hw->conf.chandef.chan->band);
1334 
1335         /* ctl group not found - either invalid band (NO_CTL) or ww roaming */
1336         if (ctl_grp == NO_CTL || ctl_grp == SD_NO_CTL)
1337                 ctl_grp = CTL_FCC;
1338 
1339         if (ctl_grp != CTL_FCC)
1340                 /* skip CTL and heavy clip for CTL_MKK and CTL_ETSI */
1341                 return;
1342 
1343         if (ar->hw->conf.chandef.chan->band == NL80211_BAND_2GHZ) {
1344                 modes = mode_list_2ghz;
1345                 nr_modes = ARRAY_SIZE(mode_list_2ghz);
1346         } else {
1347                 modes = mode_list_5ghz;
1348                 nr_modes = ARRAY_SIZE(mode_list_5ghz);
1349         }
1350 
1351         for (i = 0; i < nr_modes; i++) {
1352                 u8 c = ctl_grp | modes[i].ctl_mode;
1353                 for (ctl_idx = 0; ctl_idx < AR5416_NUM_CTLS; ctl_idx++)
1354                         if (c == ar->eeprom.ctl_index[ctl_idx])
1355                                 break;
1356                 if (ctl_idx < AR5416_NUM_CTLS) {
1357                         int f_off = 0;
1358 
1359                         /*
1360                          * determine heavy clip parameter
1361                          * from the 11G edges array
1362                          */
1363                         if (modes[i].ctl_mode == CTL_11G) {
1364                                 ar->heavy_clip =
1365                                         carl9170_get_heavy_clip(ar,
1366                                                 freq, bw, EDGES(ctl_idx, 1));
1367                         }
1368 
1369                         /* adjust freq for 40MHz */
1370                         if (modes[i].ctl_mode == CTL_2GHT40 ||
1371                             modes[i].ctl_mode == CTL_5GHT40) {
1372                                 if (bw == CARL9170_BW_40_BELOW)
1373                                         f_off = -10;
1374                                 else
1375                                         f_off = 10;
1376                         }
1377 
1378                         modes[i].max_power =
1379                                 carl9170_get_max_edge_power(ar,
1380                                         freq + f_off, EDGES(ctl_idx, 1));
1381 
1382                         /*
1383                          * TODO: check if the regulatory max. power is
1384                          * controlled by cfg80211 for DFS.
1385                          * (hpmain applies it to max_power itself for DFS freq)
1386                          */
1387 
1388                 } else {
1389                         /*
1390                          * Workaround in otus driver, hpmain.c, line 3906:
1391                          * if no data for 5GHT20 are found, take the
1392                          * legacy 5G value. We extend this here to fallback
1393                          * from any other HT* or 11G, too.
1394                          */
1395                         int k = i;
1396 
1397                         modes[i].max_power = AR5416_MAX_RATE_POWER;
1398                         while (k-- > 0) {
1399                                 if (modes[k].max_power !=
1400                                     AR5416_MAX_RATE_POWER) {
1401                                         modes[i].max_power = modes[k].max_power;
1402                                         break;
1403                                 }
1404                         }
1405                 }
1406 
1407                 /* apply max power to pwr_cal_data (ar->power_*) */
1408                 for (j = 0; j < modes[i].pwr_cal_len; j++) {
1409                         modes[i].pwr_cal_data[j] = min(modes[i].pwr_cal_data[j],
1410                                                        modes[i].max_power);
1411                 }
1412         }
1413 
1414         if (ar->heavy_clip & 0xf0) {
1415                 ar->power_2G_ht40[0]--;
1416                 ar->power_2G_ht40[1]--;
1417                 ar->power_2G_ht40[2]--;
1418         }
1419         if (ar->heavy_clip & 0xf) {
1420                 ar->power_2G_ht20[0]++;
1421                 ar->power_2G_ht20[1]++;
1422                 ar->power_2G_ht20[2]++;
1423         }
1424 
1425 #undef EDGES
1426 }
1427 
1428 static void carl9170_set_power_cal(struct ar9170 *ar, u32 freq,
1429                                    enum carl9170_bw bw)
1430 {
1431         struct ar9170_calibration_target_power_legacy *ctpl;
1432         struct ar9170_calibration_target_power_ht *ctph;
1433         u8 *ctpres;
1434         int ntargets;
1435         int idx, i, n;
1436         u8 f;
1437         u8 pwr_freqs[AR5416_MAX_NUM_TGT_PWRS];
1438 
1439         if (freq < 3000)
1440                 f = freq - 2300;
1441         else
1442                 f = (freq - 4800) / 5;
1443 
1444         /*
1445          * cycle through the various modes
1446          *
1447          * legacy modes first: 5G, 2G CCK, 2G OFDM
1448          */
1449         for (i = 0; i < 3; i++) {
1450                 switch (i) {
1451                 case 0: /* 5 GHz legacy */
1452                         ctpl = &ar->eeprom.cal_tgt_pwr_5G[0];
1453                         ntargets = AR5416_NUM_5G_TARGET_PWRS;
1454                         ctpres = ar->power_5G_leg;
1455                         break;
1456                 case 1: /* 2.4 GHz CCK */
1457                         ctpl = &ar->eeprom.cal_tgt_pwr_2G_cck[0];
1458                         ntargets = AR5416_NUM_2G_CCK_TARGET_PWRS;
1459                         ctpres = ar->power_2G_cck;
1460                         break;
1461                 case 2: /* 2.4 GHz OFDM */
1462                         ctpl = &ar->eeprom.cal_tgt_pwr_2G_ofdm[0];
1463                         ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
1464                         ctpres = ar->power_2G_ofdm;
1465                         break;
1466                 default:
1467                         BUG();
1468                 }
1469 
1470                 for (n = 0; n < ntargets; n++) {
1471                         if (ctpl[n].freq == 0xff)
1472                                 break;
1473                         pwr_freqs[n] = ctpl[n].freq;
1474                 }
1475                 ntargets = n;
1476                 idx = carl9170_find_freq_idx(ntargets, pwr_freqs, f);
1477                 for (n = 0; n < 4; n++)
1478                         ctpres[n] = carl9170_interpolate_u8(f,
1479                                 ctpl[idx + 0].freq, ctpl[idx + 0].power[n],
1480                                 ctpl[idx + 1].freq, ctpl[idx + 1].power[n]);
1481         }
1482 
1483         /* HT modes now: 5G HT20, 5G HT40, 2G CCK, 2G OFDM, 2G HT20, 2G HT40 */
1484         for (i = 0; i < 4; i++) {
1485                 switch (i) {
1486                 case 0: /* 5 GHz HT 20 */
1487                         ctph = &ar->eeprom.cal_tgt_pwr_5G_ht20[0];
1488                         ntargets = AR5416_NUM_5G_TARGET_PWRS;
1489                         ctpres = ar->power_5G_ht20;
1490                         break;
1491                 case 1: /* 5 GHz HT 40 */
1492                         ctph = &ar->eeprom.cal_tgt_pwr_5G_ht40[0];
1493                         ntargets = AR5416_NUM_5G_TARGET_PWRS;
1494                         ctpres = ar->power_5G_ht40;
1495                         break;
1496                 case 2: /* 2.4 GHz HT 20 */
1497                         ctph = &ar->eeprom.cal_tgt_pwr_2G_ht20[0];
1498                         ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
1499                         ctpres = ar->power_2G_ht20;
1500                         break;
1501                 case 3: /* 2.4 GHz HT 40 */
1502                         ctph = &ar->eeprom.cal_tgt_pwr_2G_ht40[0];
1503                         ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
1504                         ctpres = ar->power_2G_ht40;
1505                         break;
1506                 default:
1507                         BUG();
1508                 }
1509 
1510                 for (n = 0; n < ntargets; n++) {
1511                         if (ctph[n].freq == 0xff)
1512                                 break;
1513                         pwr_freqs[n] = ctph[n].freq;
1514                 }
1515                 ntargets = n;
1516                 idx = carl9170_find_freq_idx(ntargets, pwr_freqs, f);
1517                 for (n = 0; n < 8; n++)
1518                         ctpres[n] = carl9170_interpolate_u8(f,
1519                                 ctph[idx + 0].freq, ctph[idx + 0].power[n],
1520                                 ctph[idx + 1].freq, ctph[idx + 1].power[n]);
1521         }
1522 
1523         /* calc. conformance test limits and apply to ar->power*[] */
1524         carl9170_calc_ctl(ar, freq, bw);
1525 }
1526 
1527 int carl9170_get_noisefloor(struct ar9170 *ar)
1528 {
1529         static const u32 phy_regs[] = {
1530                 AR9170_PHY_REG_CCA, AR9170_PHY_REG_CH2_CCA,
1531                 AR9170_PHY_REG_EXT_CCA, AR9170_PHY_REG_CH2_EXT_CCA };
1532         u32 phy_res[ARRAY_SIZE(phy_regs)];
1533         int err, i;
1534 
1535         BUILD_BUG_ON(ARRAY_SIZE(phy_regs) != ARRAY_SIZE(ar->noise));
1536 
1537         err = carl9170_read_mreg(ar, ARRAY_SIZE(phy_regs), phy_regs, phy_res);
1538         if (err)
1539                 return err;
1540 
1541         for (i = 0; i < 2; i++) {
1542                 ar->noise[i] = sign_extend32(GET_VAL(
1543                         AR9170_PHY_CCA_MIN_PWR, phy_res[i]), 8);
1544 
1545                 ar->noise[i + 2] = sign_extend32(GET_VAL(
1546                         AR9170_PHY_EXT_CCA_MIN_PWR, phy_res[i + 2]), 8);
1547         }
1548 
1549         if (ar->channel)
1550                 ar->survey[ar->channel->hw_value].noise = ar->noise[0];
1551 
1552         return 0;
1553 }
1554 
1555 static enum carl9170_bw nl80211_to_carl(enum nl80211_channel_type type)
1556 {
1557         switch (type) {
1558         case NL80211_CHAN_NO_HT:
1559         case NL80211_CHAN_HT20:
1560                 return CARL9170_BW_20;
1561         case NL80211_CHAN_HT40MINUS:
1562                 return CARL9170_BW_40_BELOW;
1563         case NL80211_CHAN_HT40PLUS:
1564                 return CARL9170_BW_40_ABOVE;
1565         default:
1566                 BUG();
1567         }
1568 }
1569 
1570 int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
1571                          enum nl80211_channel_type _bw)
1572 {
1573         const struct carl9170_phy_freq_params *freqpar;
1574         struct carl9170_rf_init_result rf_res;
1575         struct carl9170_rf_init rf;
1576         u32 tmp, offs = 0, new_ht = 0;
1577         int err;
1578         enum carl9170_bw bw;
1579         struct ieee80211_channel *old_channel = NULL;
1580 
1581         bw = nl80211_to_carl(_bw);
1582 
1583         if (conf_is_ht(&ar->hw->conf))
1584                 new_ht |= CARL9170FW_PHY_HT_ENABLE;
1585 
1586         if (conf_is_ht40(&ar->hw->conf))
1587                 new_ht |= CARL9170FW_PHY_HT_DYN2040;
1588 
1589         /* may be NULL at first setup */
1590         if (ar->channel) {
1591                 old_channel = ar->channel;
1592                 ar->channel = NULL;
1593         }
1594 
1595         /* cold reset BB/ADDA */
1596         err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET,
1597                                  AR9170_PWR_RESET_BB_COLD_RESET);
1598         if (err)
1599                 return err;
1600 
1601         err = carl9170_write_reg(ar, AR9170_PWR_REG_RESET, 0x0);
1602         if (err)
1603                 return err;
1604 
1605         err = carl9170_init_phy(ar, channel->band);
1606         if (err)
1607                 return err;
1608 
1609         err = carl9170_init_rf_banks_0_7(ar,
1610                                          channel->band == NL80211_BAND_5GHZ);
1611         if (err)
1612                 return err;
1613 
1614         err = carl9170_exec_cmd(ar, CARL9170_CMD_FREQ_START, 0, NULL, 0, NULL);
1615         if (err)
1616                 return err;
1617 
1618         err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE,
1619                                  0x200);
1620         if (err)
1621                 return err;
1622 
1623         err = carl9170_init_rf_bank4_pwr(ar,
1624                                          channel->band == NL80211_BAND_5GHZ,
1625                                          channel->center_freq, bw);
1626         if (err)
1627                 return err;
1628 
1629         tmp = AR9170_PHY_TURBO_FC_SINGLE_HT_LTF1 |
1630               AR9170_PHY_TURBO_FC_HT_EN;
1631 
1632         switch (bw) {
1633         case CARL9170_BW_20:
1634                 break;
1635         case CARL9170_BW_40_BELOW:
1636                 tmp |= AR9170_PHY_TURBO_FC_DYN2040_EN |
1637                        AR9170_PHY_TURBO_FC_SHORT_GI_40;
1638                 offs = 3;
1639                 break;
1640         case CARL9170_BW_40_ABOVE:
1641                 tmp |= AR9170_PHY_TURBO_FC_DYN2040_EN |
1642                        AR9170_PHY_TURBO_FC_SHORT_GI_40 |
1643                        AR9170_PHY_TURBO_FC_DYN2040_PRI_CH;
1644                 offs = 1;
1645                 break;
1646         default:
1647                 BUG();
1648                 return -ENOSYS;
1649         }
1650 
1651         if (ar->eeprom.tx_mask != 1)
1652                 tmp |= AR9170_PHY_TURBO_FC_WALSH;
1653 
1654         err = carl9170_write_reg(ar, AR9170_PHY_REG_TURBO, tmp);
1655         if (err)
1656                 return err;
1657 
1658         err = carl9170_set_freq_cal_data(ar, channel);
1659         if (err)
1660                 return err;
1661 
1662         carl9170_set_power_cal(ar, channel->center_freq, bw);
1663 
1664         err = carl9170_set_mac_tpc(ar, channel);
1665         if (err)
1666                 return err;
1667 
1668         freqpar = carl9170_get_hw_dyn_params(channel, bw);
1669 
1670         rf.ht_settings = new_ht;
1671         if (conf_is_ht40(&ar->hw->conf))
1672                 SET_VAL(CARL9170FW_PHY_HT_EXT_CHAN_OFF, rf.ht_settings, offs);
1673 
1674         rf.freq = cpu_to_le32(channel->center_freq * 1000);
1675         rf.delta_slope_coeff_exp = cpu_to_le32(freqpar->coeff_exp);
1676         rf.delta_slope_coeff_man = cpu_to_le32(freqpar->coeff_man);
1677         rf.delta_slope_coeff_exp_shgi = cpu_to_le32(freqpar->coeff_exp_shgi);
1678         rf.delta_slope_coeff_man_shgi = cpu_to_le32(freqpar->coeff_man_shgi);
1679         rf.finiteLoopCount = cpu_to_le32(2000);
1680         err = carl9170_exec_cmd(ar, CARL9170_CMD_RF_INIT, sizeof(rf), &rf,
1681                                 sizeof(rf_res), &rf_res);
1682         if (err)
1683                 return err;
1684 
1685         err = le32_to_cpu(rf_res.ret);
1686         if (err != 0) {
1687                 ar->chan_fail++;
1688                 ar->total_chan_fail++;
1689 
1690                 wiphy_err(ar->hw->wiphy, "channel change: %d -> %d "
1691                           "failed (%d).\n", old_channel ?
1692                           old_channel->center_freq : -1, channel->center_freq,
1693                           err);
1694 
1695                 if (ar->chan_fail > 3) {
1696                         /* We have tried very hard to change to _another_
1697                          * channel and we've failed to do so!
1698                          * Chances are that the PHY/RF is no longer
1699                          * operable (due to corruptions/fatal events/bugs?)
1700                          * and we need to reset at a higher level.
1701                          */
1702                         carl9170_restart(ar, CARL9170_RR_TOO_MANY_PHY_ERRORS);
1703                         return 0;
1704                 }
1705 
1706                 err = carl9170_set_channel(ar, channel, _bw);
1707                 if (err)
1708                         return err;
1709         } else {
1710                 ar->chan_fail = 0;
1711         }
1712 
1713         if (ar->heavy_clip) {
1714                 err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE,
1715                                          0x200 | ar->heavy_clip);
1716                 if (err) {
1717                         if (net_ratelimit()) {
1718                                 wiphy_err(ar->hw->wiphy, "failed to set "
1719                                        "heavy clip\n");
1720                         }
1721 
1722                         return err;
1723                 }
1724         }
1725 
1726         ar->channel = channel;
1727         ar->ht_settings = new_ht;
1728         return 0;
1729 }
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