cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

phy.c (56259B)


      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
     44static 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
     63struct carl9170_phy_init {
     64	u32 reg, _5ghz_20, _5ghz_40, _2ghz_40, _2ghz_20;
     65};
     66
     67static 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 */
    406static 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 */
    432static 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
    543static 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
    589struct carl9170_rf_initvals {
    590	u32 reg, _5ghz, _2ghz;
    591};
    592
    593static 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
    672static 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
    691struct carl9170_phy_freq_params {
    692	u8 coeff_exp;
    693	u16 coeff_man;
    694	u8 coeff_exp_shgi;
    695	u16 coeff_man_shgi;
    696};
    697
    698enum carl9170_bw {
    699	CARL9170_BW_20,
    700	CARL9170_BW_40_BELOW,
    701	CARL9170_BW_40_ABOVE,
    702
    703	__CARL9170_NUM_BW,
    704};
    705
    706struct 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! */
    712static 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
    966static 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
   1034static const struct carl9170_phy_freq_params *
   1035carl9170_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
   1055static 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
   1068static 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
   1087static 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
   1104static 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
   1117static 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
   1217static 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
   1259static 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 */
   1291static 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
   1428static 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
   1527int 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
   1555static 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
   1570int 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}