git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/ath5k/phy.c

   1 /*
   2  * PHY functions
   3  *
   4  * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
   5  * Copyright (c) 2006, 2007 Nick Kossifidis <mickflemm@gmail.com>
   6  * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  *
  20  */
  21
  22 #include <linux/delay.h>
  23
  24 #include "ath5k.h"
  25 #include "reg.h"
  26 #include "base.h"
  27
  28 /* Struct to hold initial RF register values (RF Banks) */
  29 struct ath5k_ini_rf {
  30         u8      rf_bank;        /* check out ath5k_reg.h */
  31         u16     rf_register;    /* register address */
  32         u32     rf_value[5];    /* register value for different modes (above) */
  33 };
  34
  35 /*
  36  * Mode-specific RF Gain table (64bytes) for RF5111/5112
  37  * (RF5110 only comes with AR5210 and only supports a/turbo a mode so initial
  38  * RF Gain values are included in AR5K_AR5210_INI)
  39  */
  40 struct ath5k_ini_rfgain {
  41         u16     rfg_register;   /* RF Gain register address */
  42         u32     rfg_value[2];   /* [freq (see below)] */
  43 };
  44
  45 struct ath5k_gain_opt {
  46         u32                     go_default;
  47         u32                     go_steps_count;
  48         const struct ath5k_gain_opt_step        go_step[AR5K_GAIN_STEP_COUNT];
  49 };
  50
  51 /* RF5111 mode-specific init registers */
  52 static const struct ath5k_ini_rf rfregs_5111[] = {
  53         { 0, 0x989c,
  54         /*    mode a/XR   mode aTurbo mode b      mode g      mode gTurbo */
  55             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  56         { 0, 0x989c,
  57             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  58         { 0, 0x989c,
  59             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  60         { 0, 0x989c,
  61             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  62         { 0, 0x989c,
  63             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  64         { 0, 0x989c,
  65             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  66         { 0, 0x989c,
  67             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  68         { 0, 0x989c,
  69             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  70         { 0, 0x989c,
  71             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  72         { 0, 0x989c,
  73             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  74         { 0, 0x989c,
  75             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  76         { 0, 0x989c,
  77             { 0x00380000, 0x00380000, 0x00380000, 0x00380000, 0x00380000 } },
  78         { 0, 0x989c,
  79             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  80         { 0, 0x989c,
  81             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  82         { 0, 0x989c,
  83             { 0x00000000, 0x00000000, 0x000000c0, 0x00000080, 0x00000080 } },
  84         { 0, 0x989c,
  85             { 0x000400f9, 0x000400f9, 0x000400ff, 0x000400fd, 0x000400fd } },
  86         { 0, 0x98d4,
  87             { 0x00000000, 0x00000000, 0x00000004, 0x00000004, 0x00000004 } },
  88         { 1, 0x98d4,
  89             { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
  90         { 2, 0x98d4,
  91             { 0x00000010, 0x00000014, 0x00000010, 0x00000010, 0x00000014 } },
  92         { 3, 0x98d8,
  93             { 0x00601068, 0x00601068, 0x00601068, 0x00601068, 0x00601068 } },
  94         { 6, 0x989c,
  95             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  96         { 6, 0x989c,
  97             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
  98         { 6, 0x989c,
  99             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 100         { 6, 0x989c,
 101             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 102         { 6, 0x989c,
 103             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 104         { 6, 0x989c,
 105             { 0x10000000, 0x10000000, 0x10000000, 0x10000000, 0x10000000 } },
 106         { 6, 0x989c,
 107             { 0x04000000, 0x04000000, 0x04000000, 0x04000000, 0x04000000 } },
 108         { 6, 0x989c,
 109             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 110         { 6, 0x989c,
 111             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 112         { 6, 0x989c,
 113             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 114         { 6, 0x989c,
 115             { 0x00000000, 0x00000000, 0x0a000000, 0x00000000, 0x00000000 } },
 116         { 6, 0x989c,
 117             { 0x003800c0, 0x00380080, 0x023800c0, 0x003800c0, 0x003800c0 } },
 118         { 6, 0x989c,
 119             { 0x00020006, 0x00020006, 0x00000006, 0x00020006, 0x00020006 } },
 120         { 6, 0x989c,
 121             { 0x00000089, 0x00000089, 0x00000089, 0x00000089, 0x00000089 } },
 122         { 6, 0x989c,
 123             { 0x000000a0, 0x000000a0, 0x000000a0, 0x000000a0, 0x000000a0 } },
 124         { 6, 0x989c,
 125             { 0x00040007, 0x00040007, 0x00040007, 0x00040007, 0x00040007 } },
 126         { 6, 0x98d4,
 127             { 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a } },
 128         { 7, 0x989c,
 129             { 0x00000040, 0x00000048, 0x00000040, 0x00000040, 0x00000040 } },
 130         { 7, 0x989c,
 131             { 0x00000010, 0x00000010, 0x00000010, 0x00000010, 0x00000010 } },
 132         { 7, 0x989c,
 133             { 0x00000008, 0x00000008, 0x00000008, 0x00000008, 0x00000008 } },
 134         { 7, 0x989c,
 135             { 0x0000004f, 0x0000004f, 0x0000004f, 0x0000004f, 0x0000004f } },
 136         { 7, 0x989c,
 137             { 0x000000f1, 0x000000f1, 0x00000061, 0x000000f1, 0x000000f1 } },
 138         { 7, 0x989c,
 139             { 0x0000904f, 0x0000904f, 0x0000904c, 0x0000904f, 0x0000904f } },
 140         { 7, 0x989c,
 141             { 0x0000125a, 0x0000125a, 0x0000129a, 0x0000125a, 0x0000125a } },
 142         { 7, 0x98cc,
 143             { 0x0000000e, 0x0000000e, 0x0000000f, 0x0000000e, 0x0000000e } },
 144 };
 145
 146 /* Initial RF Gain settings for RF5111 */
 147 static const struct ath5k_ini_rfgain rfgain_5111[] = {
 148         /*                            5Ghz      2Ghz    */
 149         { AR5K_RF_GAIN(0),      { 0x000001a9, 0x00000000 } },
 150         { AR5K_RF_GAIN(1),      { 0x000001e9, 0x00000040 } },
 151         { AR5K_RF_GAIN(2),      { 0x00000029, 0x00000080 } },
 152         { AR5K_RF_GAIN(3),      { 0x00000069, 0x00000150 } },
 153         { AR5K_RF_GAIN(4),      { 0x00000199, 0x00000190 } },
 154         { AR5K_RF_GAIN(5),      { 0x000001d9, 0x000001d0 } },
 155         { AR5K_RF_GAIN(6),      { 0x00000019, 0x00000010 } },
 156         { AR5K_RF_GAIN(7),      { 0x00000059, 0x00000044 } },
 157         { AR5K_RF_GAIN(8),      { 0x00000099, 0x00000084 } },
 158         { AR5K_RF_GAIN(9),      { 0x000001a5, 0x00000148 } },
 159         { AR5K_RF_GAIN(10),     { 0x000001e5, 0x00000188 } },
 160         { AR5K_RF_GAIN(11),     { 0x00000025, 0x000001c8 } },
 161         { AR5K_RF_GAIN(12),     { 0x000001c8, 0x00000014 } },
 162         { AR5K_RF_GAIN(13),     { 0x00000008, 0x00000042 } },
 163         { AR5K_RF_GAIN(14),     { 0x00000048, 0x00000082 } },
 164         { AR5K_RF_GAIN(15),     { 0x00000088, 0x00000178 } },
 165         { AR5K_RF_GAIN(16),     { 0x00000198, 0x000001b8 } },
 166         { AR5K_RF_GAIN(17),     { 0x000001d8, 0x000001f8 } },
 167         { AR5K_RF_GAIN(18),     { 0x00000018, 0x00000012 } },
 168         { AR5K_RF_GAIN(19),     { 0x00000058, 0x00000052 } },
 169         { AR5K_RF_GAIN(20),     { 0x00000098, 0x00000092 } },
 170         { AR5K_RF_GAIN(21),     { 0x000001a4, 0x0000017c } },
 171         { AR5K_RF_GAIN(22),     { 0x000001e4, 0x000001bc } },
 172         { AR5K_RF_GAIN(23),     { 0x00000024, 0x000001fc } },
 173         { AR5K_RF_GAIN(24),     { 0x00000064, 0x0000000a } },
 174         { AR5K_RF_GAIN(25),     { 0x000000a4, 0x0000004a } },
 175         { AR5K_RF_GAIN(26),     { 0x000000e4, 0x0000008a } },
 176         { AR5K_RF_GAIN(27),     { 0x0000010a, 0x0000015a } },
 177         { AR5K_RF_GAIN(28),     { 0x0000014a, 0x0000019a } },
 178         { AR5K_RF_GAIN(29),     { 0x0000018a, 0x000001da } },
 179         { AR5K_RF_GAIN(30),     { 0x000001ca, 0x0000000e } },
 180         { AR5K_RF_GAIN(31),     { 0x0000000a, 0x0000004e } },
 181         { AR5K_RF_GAIN(32),     { 0x0000004a, 0x0000008e } },
 182         { AR5K_RF_GAIN(33),     { 0x0000008a, 0x0000015e } },
 183         { AR5K_RF_GAIN(34),     { 0x000001ba, 0x0000019e } },
 184         { AR5K_RF_GAIN(35),     { 0x000001fa, 0x000001de } },
 185         { AR5K_RF_GAIN(36),     { 0x0000003a, 0x00000009 } },
 186         { AR5K_RF_GAIN(37),     { 0x0000007a, 0x00000049 } },
 187         { AR5K_RF_GAIN(38),     { 0x00000186, 0x00000089 } },
 188         { AR5K_RF_GAIN(39),     { 0x000001c6, 0x00000179 } },
 189         { AR5K_RF_GAIN(40),     { 0x00000006, 0x000001b9 } },
 190         { AR5K_RF_GAIN(41),     { 0x00000046, 0x000001f9 } },
 191         { AR5K_RF_GAIN(42),     { 0x00000086, 0x00000039 } },
 192         { AR5K_RF_GAIN(43),     { 0x000000c6, 0x00000079 } },
 193         { AR5K_RF_GAIN(44),     { 0x000000c6, 0x000000b9 } },
 194         { AR5K_RF_GAIN(45),     { 0x000000c6, 0x000001bd } },
 195         { AR5K_RF_GAIN(46),     { 0x000000c6, 0x000001fd } },
 196         { AR5K_RF_GAIN(47),     { 0x000000c6, 0x0000003d } },
 197         { AR5K_RF_GAIN(48),     { 0x000000c6, 0x0000007d } },
 198         { AR5K_RF_GAIN(49),     { 0x000000c6, 0x000000bd } },
 199         { AR5K_RF_GAIN(50),     { 0x000000c6, 0x000000fd } },
 200         { AR5K_RF_GAIN(51),     { 0x000000c6, 0x000000fd } },
 201         { AR5K_RF_GAIN(52),     { 0x000000c6, 0x000000fd } },
 202         { AR5K_RF_GAIN(53),     { 0x000000c6, 0x000000fd } },
 203         { AR5K_RF_GAIN(54),     { 0x000000c6, 0x000000fd } },
 204         { AR5K_RF_GAIN(55),     { 0x000000c6, 0x000000fd } },
 205         { AR5K_RF_GAIN(56),     { 0x000000c6, 0x000000fd } },
 206         { AR5K_RF_GAIN(57),     { 0x000000c6, 0x000000fd } },
 207         { AR5K_RF_GAIN(58),     { 0x000000c6, 0x000000fd } },
 208         { AR5K_RF_GAIN(59),     { 0x000000c6, 0x000000fd } },
 209         { AR5K_RF_GAIN(60),     { 0x000000c6, 0x000000fd } },
 210         { AR5K_RF_GAIN(61),     { 0x000000c6, 0x000000fd } },
 211         { AR5K_RF_GAIN(62),     { 0x000000c6, 0x000000fd } },
 212         { AR5K_RF_GAIN(63),     { 0x000000c6, 0x000000fd } },
 213 };
 214
 215 static const struct ath5k_gain_opt rfgain_opt_5111 = {
 216         4,
 217         9,
 218         {
 219                 { { 4, 1, 1, 1 }, 6 },
 220                 { { 4, 0, 1, 1 }, 4 },
 221                 { { 3, 1, 1, 1 }, 3 },
 222                 { { 4, 0, 0, 1 }, 1 },
 223                 { { 4, 1, 1, 0 }, 0 },
 224                 { { 4, 0, 1, 0 }, -2 },
 225                 { { 3, 1, 1, 0 }, -3 },
 226                 { { 4, 0, 0, 0 }, -4 },
 227                 { { 2, 1, 1, 0 }, -6 }
 228         }
 229 };
 230
 231 /* RF5112 mode-specific init registers */
 232 static const struct ath5k_ini_rf rfregs_5112[] = {
 233         { 1, 0x98d4,
 234         /*    mode a/XR   mode aTurbo mode b      mode g      mode gTurbo */
 235             { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
 236         { 2, 0x98d0,
 237             { 0x03060408, 0x03070408, 0x03060408, 0x03060408, 0x03070408 } },
 238         { 3, 0x98dc,
 239             { 0x00a0c0c0, 0x00a0c0c0, 0x00e0c0c0, 0x00e0c0c0, 0x00e0c0c0 } },
 240         { 6, 0x989c,
 241             { 0x00a00000, 0x00a00000, 0x00a00000, 0x00a00000, 0x00a00000 } },
 242         { 6, 0x989c,
 243             { 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000 } },
 244         { 6, 0x989c,
 245             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 246         { 6, 0x989c,
 247             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 248         { 6, 0x989c,
 249             { 0x00660000, 0x00660000, 0x00660000, 0x00660000, 0x00660000 } },
 250         { 6, 0x989c,
 251             { 0x00db0000, 0x00db0000, 0x00db0000, 0x00db0000, 0x00db0000 } },
 252         { 6, 0x989c,
 253             { 0x00f10000, 0x00f10000, 0x00f10000, 0x00f10000, 0x00f10000 } },
 254         { 6, 0x989c,
 255             { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
 256         { 6, 0x989c,
 257             { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
 258         { 6, 0x989c,
 259             { 0x00730000, 0x00730000, 0x00730000, 0x00730000, 0x00730000 } },
 260         { 6, 0x989c,
 261             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 262         { 6, 0x989c,
 263             { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
 264         { 6, 0x989c,
 265             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 266         { 6, 0x989c,
 267             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 268         { 6, 0x989c,
 269             { 0x008b0000, 0x008b0000, 0x008b0000, 0x008b0000, 0x008b0000 } },
 270         { 6, 0x989c,
 271             { 0x00600000, 0x00600000, 0x00600000, 0x00600000, 0x00600000 } },
 272         { 6, 0x989c,
 273             { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
 274         { 6, 0x989c,
 275             { 0x00840000, 0x00840000, 0x00840000, 0x00840000, 0x00840000 } },
 276         { 6, 0x989c,
 277             { 0x00640000, 0x00640000, 0x00640000, 0x00640000, 0x00640000 } },
 278         { 6, 0x989c,
 279             { 0x00200000, 0x00200000, 0x00200000, 0x00200000, 0x00200000 } },
 280         { 6, 0x989c,
 281             { 0x00240000, 0x00240000, 0x00240000, 0x00240000, 0x00240000 } },
 282         { 6, 0x989c,
 283             { 0x00250000, 0x00250000, 0x00250000, 0x00250000, 0x00250000 } },
 284         { 6, 0x989c,
 285             { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
 286         { 6, 0x989c,
 287             { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
 288         { 6, 0x989c,
 289             { 0x00510000, 0x00510000, 0x00510000, 0x00510000, 0x00510000 } },
 290         { 6, 0x989c,
 291             { 0x1c040000, 0x1c040000, 0x1c040000, 0x1c040000, 0x1c040000 } },
 292         { 6, 0x989c,
 293             { 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000, 0x000a0000 } },
 294         { 6, 0x989c,
 295             { 0x00a10000, 0x00a10000, 0x00a10000, 0x00a10000, 0x00a10000 } },
 296         { 6, 0x989c,
 297             { 0x00400000, 0x00400000, 0x00400000, 0x00400000, 0x00400000 } },
 298         { 6, 0x989c,
 299             { 0x03090000, 0x03090000, 0x03090000, 0x03090000, 0x03090000 } },
 300         { 6, 0x989c,
 301             { 0x06000000, 0x06000000, 0x06000000, 0x06000000, 0x06000000 } },
 302         { 6, 0x989c,
 303             { 0x000000b0, 0x000000b0, 0x000000a8, 0x000000a8, 0x000000a8 } },
 304         { 6, 0x989c,
 305             { 0x0000002e, 0x0000002e, 0x0000002e, 0x0000002e, 0x0000002e } },
 306         { 6, 0x989c,
 307             { 0x006c4a41, 0x006c4a41, 0x006c4af1, 0x006c4a61, 0x006c4a61 } },
 308         { 6, 0x989c,
 309             { 0x0050892a, 0x0050892a, 0x0050892b, 0x0050892b, 0x0050892b } },
 310         { 6, 0x989c,
 311             { 0x00842400, 0x00842400, 0x00842400, 0x00842400, 0x00842400 } },
 312         { 6, 0x989c,
 313             { 0x00c69200, 0x00c69200, 0x00c69200, 0x00c69200, 0x00c69200 } },
 314         { 6, 0x98d0,
 315             { 0x0002000c, 0x0002000c, 0x0002000c, 0x0002000c, 0x0002000c } },
 316         { 7, 0x989c,
 317             { 0x00000094, 0x00000094, 0x00000094, 0x00000094, 0x00000094 } },
 318         { 7, 0x989c,
 319             { 0x00000091, 0x00000091, 0x00000091, 0x00000091, 0x00000091 } },
 320         { 7, 0x989c,
 321             { 0x0000000a, 0x0000000a, 0x00000012, 0x00000012, 0x00000012 } },
 322         { 7, 0x989c,
 323             { 0x00000080, 0x00000080, 0x00000080, 0x00000080, 0x00000080 } },
 324         { 7, 0x989c,
 325             { 0x000000c1, 0x000000c1, 0x000000c1, 0x000000c1, 0x000000c1 } },
 326         { 7, 0x989c,
 327             { 0x00000060, 0x00000060, 0x00000060, 0x00000060, 0x00000060 } },
 328         { 7, 0x989c,
 329             { 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0 } },
 330         { 7, 0x989c,
 331             { 0x00000022, 0x00000022, 0x00000022, 0x00000022, 0x00000022 } },
 332         { 7, 0x989c,
 333             { 0x00000092, 0x00000092, 0x00000092, 0x00000092, 0x00000092 } },
 334         { 7, 0x989c,
 335             { 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4 } },
 336         { 7, 0x989c,
 337             { 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc } },
 338         { 7, 0x989c,
 339             { 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c } },
 340         { 7, 0x98c4,
 341             { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
 342 };
 343
 344 /* RF5112A mode-specific init registers */
 345 static const struct ath5k_ini_rf rfregs_5112a[] = {
 346         { 1, 0x98d4,
 347         /*    mode a/XR   mode aTurbo mode b      mode g      mode gTurbo */
 348             { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
 349         { 2, 0x98d0,
 350             { 0x03060408, 0x03070408, 0x03060408, 0x03060408, 0x03070408 } },
 351         { 3, 0x98dc,
 352             { 0x00a0c0c0, 0x00a0c0c0, 0x00e0c0c0, 0x00e0c0c0, 0x00e0c0c0 } },
 353         { 6, 0x989c,
 354             { 0x0f000000, 0x0f000000, 0x0f000000, 0x0f000000, 0x0f000000 } },
 355         { 6, 0x989c,
 356             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 357         { 6, 0x989c,
 358             { 0x00800000, 0x00800000, 0x00800000, 0x00800000, 0x00800000 } },
 359         { 6, 0x989c,
 360             { 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000 } },
 361         { 6, 0x989c,
 362             { 0x00010000, 0x00010000, 0x00010000, 0x00010000, 0x00010000 } },
 363         { 6, 0x989c,
 364             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 365         { 6, 0x989c,
 366             { 0x00180000, 0x00180000, 0x00180000, 0x00180000, 0x00180000 } },
 367         { 6, 0x989c,
 368             { 0x00600000, 0x00600000, 0x006e0000, 0x006e0000, 0x006e0000 } },
 369         { 6, 0x989c,
 370             { 0x00c70000, 0x00c70000, 0x00c70000, 0x00c70000, 0x00c70000 } },
 371         { 6, 0x989c,
 372             { 0x004b0000, 0x004b0000, 0x004b0000, 0x004b0000, 0x004b0000 } },
 373         { 6, 0x989c,
 374             { 0x04480000, 0x04480000, 0x04480000, 0x04480000, 0x04480000 } },
 375         { 6, 0x989c,
 376             { 0x00220000, 0x00220000, 0x00220000, 0x00220000, 0x00220000 } },
 377         { 6, 0x989c,
 378             { 0x00e40000, 0x00e40000, 0x00e40000, 0x00e40000, 0x00e40000 } },
 379         { 6, 0x989c,
 380             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 381         { 6, 0x989c,
 382             { 0x00fc0000, 0x00fc0000, 0x00fc0000, 0x00fc0000, 0x00fc0000 } },
 383         { 6, 0x989c,
 384             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 385         { 6, 0x989c,
 386             { 0x043f0000, 0x043f0000, 0x043f0000, 0x043f0000, 0x043f0000 } },
 387         { 6, 0x989c,
 388             { 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000, 0x000c0000 } },
 389         { 6, 0x989c,
 390             { 0x00190000, 0x00190000, 0x00190000, 0x00190000, 0x00190000 } },
 391         { 6, 0x989c,
 392             { 0x00240000, 0x00240000, 0x00240000, 0x00240000, 0x00240000 } },
 393         { 6, 0x989c,
 394             { 0x00b40000, 0x00b40000, 0x00b40000, 0x00b40000, 0x00b40000 } },
 395         { 6, 0x989c,
 396             { 0x00990000, 0x00990000, 0x00990000, 0x00990000, 0x00990000 } },
 397         { 6, 0x989c,
 398             { 0x00500000, 0x00500000, 0x00500000, 0x00500000, 0x00500000 } },
 399         { 6, 0x989c,
 400             { 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000, 0x002a0000 } },
 401         { 6, 0x989c,
 402             { 0x00120000, 0x00120000, 0x00120000, 0x00120000, 0x00120000 } },
 403         { 6, 0x989c,
 404             { 0xc0320000, 0xc0320000, 0xc0320000, 0xc0320000, 0xc0320000 } },
 405         { 6, 0x989c,
 406             { 0x01740000, 0x01740000, 0x01740000, 0x01740000, 0x01740000 } },
 407         { 6, 0x989c,
 408             { 0x00110000, 0x00110000, 0x00110000, 0x00110000, 0x00110000 } },
 409         { 6, 0x989c,
 410             { 0x86280000, 0x86280000, 0x86280000, 0x86280000, 0x86280000 } },
 411         { 6, 0x989c,
 412             { 0x31840000, 0x31840000, 0x31840000, 0x31840000, 0x31840000 } },
 413         { 6, 0x989c,
 414             { 0x00020080, 0x00020080, 0x00020080, 0x00020080, 0x00020080 } },
 415         { 6, 0x989c,
 416             { 0x00080009, 0x00080009, 0x00080009, 0x00080009, 0x00080009 } },
 417         { 6, 0x989c,
 418             { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
 419         { 6, 0x989c,
 420             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 421         { 6, 0x989c,
 422             { 0x000000b2, 0x000000b2, 0x000000b2, 0x000000b2, 0x000000b2 } },
 423         { 6, 0x989c,
 424             { 0x00b02084, 0x00b02084, 0x00b02084, 0x00b02084, 0x00b02084 } },
 425         { 6, 0x989c,
 426             { 0x004125a4, 0x004125a4, 0x004125a4, 0x004125a4, 0x004125a4 } },
 427         { 6, 0x989c,
 428             { 0x00119220, 0x00119220, 0x00119220, 0x00119220, 0x00119220 } },
 429         { 6, 0x989c,
 430             { 0x001a4800, 0x001a4800, 0x001a4800, 0x001a4800, 0x001a4800 } },
 431         { 6, 0x98d8,
 432             { 0x000b0230, 0x000b0230, 0x000b0230, 0x000b0230, 0x000b0230 } },
 433         { 7, 0x989c,
 434             { 0x00000094, 0x00000094, 0x00000094, 0x00000094, 0x00000094 } },
 435         { 7, 0x989c,
 436             { 0x00000091, 0x00000091, 0x00000091, 0x00000091, 0x00000091 } },
 437         { 7, 0x989c,
 438             { 0x00000012, 0x00000012, 0x00000012, 0x00000012, 0x00000012 } },
 439         { 7, 0x989c,
 440             { 0x00000080, 0x00000080, 0x00000080, 0x00000080, 0x00000080 } },
 441         { 7, 0x989c,
 442             { 0x000000d9, 0x000000d9, 0x000000d9, 0x000000d9, 0x000000d9 } },
 443         { 7, 0x989c,
 444             { 0x00000060, 0x00000060, 0x00000060, 0x00000060, 0x00000060 } },
 445         { 7, 0x989c,
 446             { 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0, 0x000000f0 } },
 447         { 7, 0x989c,
 448             { 0x000000a2, 0x000000a2, 0x000000a2, 0x000000a2, 0x000000a2 } },
 449         { 7, 0x989c,
 450             { 0x00000052, 0x00000052, 0x00000052, 0x00000052, 0x00000052 } },
 451         { 7, 0x989c,
 452             { 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4, 0x000000d4 } },
 453         { 7, 0x989c,
 454             { 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc, 0x000014cc } },
 455         { 7, 0x989c,
 456             { 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c, 0x0000048c } },
 457         { 7, 0x98c4,
 458             { 0x00000003, 0x00000003, 0x00000003, 0x00000003, 0x00000003 } },
 459 };
 460
 461
 462 static const struct ath5k_ini_rf rfregs_2112a[] = {
 463         { 1, AR5K_RF_BUFFER_CONTROL_4,
 464         /*         mode b       mode g    mode gTurbo */
 465                 { 0x00000020, 0x00000020, 0x00000020 } },
 466         { 2, AR5K_RF_BUFFER_CONTROL_3,
 467                 { 0x03060408, 0x03060408, 0x03070408 } },
 468         { 3, AR5K_RF_BUFFER_CONTROL_6,
 469                 { 0x00e020c0, 0x00e020c0, 0x00e020c0 } },
 470         { 6, AR5K_RF_BUFFER,
 471                 { 0x0a000000, 0x0a000000, 0x0a000000 } },
 472         { 6, AR5K_RF_BUFFER,
 473                 { 0x00000000, 0x00000000, 0x00000000 } },
 474         { 6, AR5K_RF_BUFFER,
 475                 { 0x00800000, 0x00800000, 0x00800000 } },
 476         { 6, AR5K_RF_BUFFER,
 477                 { 0x002a0000, 0x002a0000, 0x002a0000 } },
 478         { 6, AR5K_RF_BUFFER,
 479                 { 0x00010000, 0x00010000, 0x00010000 } },
 480         { 6, AR5K_RF_BUFFER,
 481                 { 0x00000000, 0x00000000, 0x00000000 } },
 482         { 6, AR5K_RF_BUFFER,
 483                 { 0x00180000, 0x00180000, 0x00180000 } },
 484         { 6, AR5K_RF_BUFFER,
 485                 { 0x006e0000, 0x006e0000, 0x006e0000 } },
 486         { 6, AR5K_RF_BUFFER,
 487                 { 0x00c70000, 0x00c70000, 0x00c70000 } },
 488         { 6, AR5K_RF_BUFFER,
 489                 { 0x004b0000, 0x004b0000, 0x004b0000 } },
 490         { 6, AR5K_RF_BUFFER,
 491                 { 0x04480000, 0x04480000, 0x04480000 } },
 492         { 6, AR5K_RF_BUFFER,
 493                 { 0x002a0000, 0x002a0000, 0x002a0000 } },
 494         { 6, AR5K_RF_BUFFER,
 495                 { 0x00e40000, 0x00e40000, 0x00e40000 } },
 496         { 6, AR5K_RF_BUFFER,
 497                 { 0x00000000, 0x00000000, 0x00000000 } },
 498         { 6, AR5K_RF_BUFFER,
 499                 { 0x00fc0000, 0x00fc0000, 0x00fc0000 } },
 500         { 6, AR5K_RF_BUFFER,
 501                 { 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 502         { 6, AR5K_RF_BUFFER,
 503                 { 0x043f0000, 0x043f0000, 0x043f0000 } },
 504         { 6, AR5K_RF_BUFFER,
 505                 { 0x0c0c0000, 0x0c0c0000, 0x0c0c0000 } },
 506         { 6, AR5K_RF_BUFFER,
 507                 { 0x02190000, 0x02190000, 0x02190000 } },
 508         { 6, AR5K_RF_BUFFER,
 509                 { 0x00240000, 0x00240000, 0x00240000 } },
 510         { 6, AR5K_RF_BUFFER,
 511                 { 0x00b40000, 0x00b40000, 0x00b40000 } },
 512         { 6, AR5K_RF_BUFFER,
 513                 { 0x00990000, 0x00990000, 0x00990000 } },
 514         { 6, AR5K_RF_BUFFER,
 515                 { 0x00500000, 0x00500000, 0x00500000 } },
 516         { 6, AR5K_RF_BUFFER,
 517                 { 0x002a0000, 0x002a0000, 0x002a0000 } },
 518         { 6, AR5K_RF_BUFFER,
 519                 { 0x00120000, 0x00120000, 0x00120000 } },
 520         { 6, AR5K_RF_BUFFER,
 521                 { 0xc0320000, 0xc0320000, 0xc0320000 } },
 522         { 6, AR5K_RF_BUFFER,
 523                 { 0x01740000, 0x01740000, 0x01740000 } },
 524         { 6, AR5K_RF_BUFFER,
 525                 { 0x00110000, 0x00110000, 0x00110000 } },
 526         { 6, AR5K_RF_BUFFER,
 527                 { 0x86280000, 0x86280000, 0x86280000 } },
 528         { 6, AR5K_RF_BUFFER,
 529                 { 0x31840000, 0x31840000, 0x31840000 } },
 530         { 6, AR5K_RF_BUFFER,
 531                 { 0x00f20080, 0x00f20080, 0x00f20080 } },
 532         { 6, AR5K_RF_BUFFER,
 533                 { 0x00070019, 0x00070019, 0x00070019 } },
 534         { 6, AR5K_RF_BUFFER,
 535                 { 0x00000000, 0x00000000, 0x00000000 } },
 536         { 6, AR5K_RF_BUFFER,
 537                 { 0x00000000, 0x00000000, 0x00000000 } },
 538         { 6, AR5K_RF_BUFFER,
 539                 { 0x000000b2, 0x000000b2, 0x000000b2 } },
 540         { 6, AR5K_RF_BUFFER,
 541                 { 0x00b02184, 0x00b02184, 0x00b02184 } },
 542         { 6, AR5K_RF_BUFFER,
 543                 { 0x004125a4, 0x004125a4, 0x004125a4 } },
 544         { 6, AR5K_RF_BUFFER,
 545                 { 0x00119220, 0x00119220, 0x00119220 } },
 546         { 6, AR5K_RF_BUFFER,
 547                 { 0x001a4800, 0x001a4800, 0x001a4800 } },
 548         { 6, AR5K_RF_BUFFER_CONTROL_5,
 549                 { 0x000b0230, 0x000b0230, 0x000b0230 } },
 550         { 7, AR5K_RF_BUFFER,
 551                 { 0x00000094, 0x00000094, 0x00000094 } },
 552         { 7, AR5K_RF_BUFFER,
 553                 { 0x00000091, 0x00000091, 0x00000091 } },
 554         { 7, AR5K_RF_BUFFER,
 555                 { 0x00000012, 0x00000012, 0x00000012 } },
 556         { 7, AR5K_RF_BUFFER,
 557                 { 0x00000080, 0x00000080, 0x00000080 } },
 558         { 7, AR5K_RF_BUFFER,
 559                 { 0x000000d9, 0x000000d9, 0x000000d9 } },
 560         { 7, AR5K_RF_BUFFER,
 561                 { 0x00000060, 0x00000060, 0x00000060 } },
 562         { 7, AR5K_RF_BUFFER,
 563                 { 0x000000f0, 0x000000f0, 0x000000f0 } },
 564         { 7, AR5K_RF_BUFFER,
 565                 { 0x000000a2, 0x000000a2, 0x000000a2 } },
 566         { 7, AR5K_RF_BUFFER,
 567                 { 0x00000052, 0x00000052, 0x00000052 } },
 568         { 7, AR5K_RF_BUFFER,
 569                 { 0x000000d4, 0x000000d4, 0x000000d4 } },
 570         { 7, AR5K_RF_BUFFER,
 571                 { 0x000014cc, 0x000014cc, 0x000014cc } },
 572         { 7, AR5K_RF_BUFFER,
 573                 { 0x0000048c, 0x0000048c, 0x0000048c } },
 574         { 7, AR5K_RF_BUFFER_CONTROL_1,
 575                 { 0x00000003, 0x00000003, 0x00000003 } },
 576 };
 577
 578 /* RF5413/5414 mode-specific init registers */
 579 static const struct ath5k_ini_rf rfregs_5413[] = {
 580         { 1, 0x98d4,
 581         /*    mode a/XR   mode aTurbo mode b      mode g      mode gTurbo */
 582             { 0x00000020, 0x00000020, 0x00000020, 0x00000020, 0x00000020 } },
 583         { 2, 0x98d0,
 584             { 0x00000008, 0x00000008, 0x00000008, 0x00000008, 0x00000008 } },
 585         { 3, 0x98dc,
 586             { 0x00a000c0, 0x00a000c0, 0x00e000c0, 0x00e000c0, 0x00e000c0 } },
 587         { 6, 0x989c,
 588             { 0x33000000, 0x33000000, 0x33000000, 0x33000000, 0x33000000 } },
 589         { 6, 0x989c,
 590             { 0x01000000, 0x01000000, 0x01000000, 0x01000000, 0x01000000 } },
 591         { 6, 0x989c,
 592             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 593         { 6, 0x989c,
 594             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 595         { 6, 0x989c,
 596             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 597         { 6, 0x989c,
 598             { 0x1f000000, 0x1f000000, 0x1f000000, 0x1f000000, 0x1f000000 } },
 599         { 6, 0x989c,
 600             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 601         { 6, 0x989c,
 602             { 0x00b80000, 0x00b80000, 0x00b80000, 0x00b80000, 0x00b80000 } },
 603         { 6, 0x989c,
 604             { 0x00b70000, 0x00b70000, 0x00b70000, 0x00b70000, 0x00b70000 } },
 605         { 6, 0x989c,
 606             { 0x00840000, 0x00840000, 0x00840000, 0x00840000, 0x00840000 } },
 607         { 6, 0x989c,
 608             { 0x00980000, 0x00980000, 0x00980000, 0x00980000, 0x00980000 } },
 609         { 6, 0x989c,
 610             { 0x00c00000, 0x00c00000, 0x00c00000, 0x00c00000, 0x00c00000 } },
 611         { 6, 0x989c,
 612             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 613         { 6, 0x989c,
 614             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 615         { 6, 0x989c,
 616             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 617         { 6, 0x989c,
 618             { 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000, 0x00ff0000 } },
 619         { 6, 0x989c,
 620             { 0x00d70000, 0x00d70000, 0x00d70000, 0x00d70000, 0x00d70000 } },
 621         { 6, 0x989c,
 622             { 0x00610000, 0x00610000, 0x00610000, 0x00610000, 0x00610000 } },
 623         { 6, 0x989c,
 624             { 0x00fe0000, 0x00fe0000, 0x00fe0000, 0x00fe0000, 0x00fe0000 } },
 625         { 6, 0x989c,
 626             { 0x00de0000, 0x00de0000, 0x00de0000, 0x00de0000, 0x00de0000 } },
 627         { 6, 0x989c,
 628             { 0x007f0000, 0x007f0000, 0x007f0000, 0x007f0000, 0x007f0000 } },
 629         { 6, 0x989c,
 630             { 0x043d0000, 0x043d0000, 0x043d0000, 0x043d0000, 0x043d0000 } },
 631         { 6, 0x989c,
 632             { 0x00770000, 0x00770000, 0x00770000, 0x00770000, 0x00770000 } },
 633         { 6, 0x989c,
 634             { 0x00440000, 0x00440000, 0x00440000, 0x00440000, 0x00440000 } },
 635         { 6, 0x989c,
 636             { 0x00980000, 0x00980000, 0x00980000, 0x00980000, 0x00980000 } },
 637         { 6, 0x989c,
 638             { 0x00100080, 0x00100080, 0x00100080, 0x00100080, 0x00100080 } },
 639         { 6, 0x989c,
 640             { 0x0005c034, 0x0005c034, 0x0005c034, 0x0005c034, 0x0005c034 } },
 641         { 6, 0x989c,
 642             { 0x003100f0, 0x003100f0, 0x003100f0, 0x003100f0, 0x003100f0 } },
 643         { 6, 0x989c,
 644             { 0x000c011f, 0x000c011f, 0x000c011f, 0x000c011f, 0x000c011f } },
 645         { 6, 0x989c,
 646             { 0x00510040, 0x00510040, 0x005100a0, 0x005100a0, 0x005100a0 } },
 647         { 6, 0x989c,
 648             { 0x0050006a, 0x0050006a, 0x005000dd, 0x005000dd, 0x005000dd } },
 649         { 6, 0x989c,
 650             { 0x00000001, 0x00000001, 0x00000000, 0x00000000, 0x00000000 } },
 651         { 6, 0x989c,
 652             { 0x00004044, 0x00004044, 0x00004044, 0x00004044, 0x00004044 } },
 653         { 6, 0x989c,
 654             { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
 655         { 6, 0x989c,
 656             { 0x000060c0, 0x000060c0, 0x000060c0, 0x000060c0, 0x000060c0 } },
 657         { 6, 0x989c,
 658             { 0x00002c00, 0x00002c00, 0x00003600, 0x00003600, 0x00003600 } },
 659         { 6, 0x98c8,
 660             { 0x00000403, 0x00000403, 0x00040403, 0x00040403, 0x00040403 } },
 661         { 7, 0x989c,
 662             { 0x00006400, 0x00006400, 0x00006400, 0x00006400, 0x00006400 } },
 663         { 7, 0x989c,
 664             { 0x00000800, 0x00000800, 0x00000800, 0x00000800, 0x00000800 } },
 665         { 7, 0x98cc,
 666             { 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e } },
 667 };
 668
 669 /* RF2413/2414 mode-specific init registers */
 670 static const struct ath5k_ini_rf rfregs_2413[] = {
 671         { 1, AR5K_RF_BUFFER_CONTROL_4,
 672                 { 0x00000020, 0x00000020, 0x00000020 } },
 673         { 2, AR5K_RF_BUFFER_CONTROL_3,
 674                 { 0x02001408, 0x02001408, 0x02001408 } },
 675         { 3, AR5K_RF_BUFFER_CONTROL_6,
 676                 { 0x00e020c0, 0x00e020c0, 0x00e020c0 } },
 677         { 6, AR5K_RF_BUFFER,
 678                 { 0xf0000000, 0xf0000000, 0xf0000000 } },
 679         { 6, AR5K_RF_BUFFER,
 680                 { 0x00000000, 0x00000000, 0x00000000 } },
 681         { 6, AR5K_RF_BUFFER,
 682                 { 0x03000000, 0x03000000, 0x03000000 } },
 683         { 6, AR5K_RF_BUFFER,
 684                 { 0x00000000, 0x00000000, 0x00000000 } },
 685         { 6, AR5K_RF_BUFFER,
 686                 { 0x00000000, 0x00000000, 0x00000000 } },
 687         { 6, AR5K_RF_BUFFER,
 688                 { 0x00000000, 0x00000000, 0x00000000 } },
 689         { 6, AR5K_RF_BUFFER,
 690                 { 0x00000000, 0x00000000, 0x00000000 } },
 691         { 6, AR5K_RF_BUFFER,
 692                 { 0x00000000, 0x00000000, 0x00000000 } },
 693         { 6, AR5K_RF_BUFFER,
 694                 { 0x40400000, 0x40400000, 0x40400000 } },
 695         { 6, AR5K_RF_BUFFER,
 696                 { 0x65050000, 0x65050000, 0x65050000 } },
 697         { 6, AR5K_RF_BUFFER,
 698                 { 0x00000000, 0x00000000, 0x00000000 } },
 699         { 6, AR5K_RF_BUFFER,
 700                 { 0x00000000, 0x00000000, 0x00000000 } },
 701         { 6, AR5K_RF_BUFFER,
 702                 { 0x00420000, 0x00420000, 0x00420000 } },
 703         { 6, AR5K_RF_BUFFER,
 704                 { 0x00b50000, 0x00b50000, 0x00b50000 } },
 705         { 6, AR5K_RF_BUFFER,
 706                 { 0x00030000, 0x00030000, 0x00030000 } },
 707         { 6, AR5K_RF_BUFFER,
 708                 { 0x00f70000, 0x00f70000, 0x00f70000 } },
 709         { 6, AR5K_RF_BUFFER,
 710                 { 0x009d0000, 0x009d0000, 0x009d0000 } },
 711         { 6, AR5K_RF_BUFFER,
 712                 { 0x00220000, 0x00220000, 0x00220000 } },
 713         { 6, AR5K_RF_BUFFER,
 714                 { 0x04220000, 0x04220000, 0x04220000 } },
 715         { 6, AR5K_RF_BUFFER,
 716                 { 0x00230018, 0x00230018, 0x00230018 } },
 717         { 6, AR5K_RF_BUFFER,
 718                 { 0x00280050, 0x00280050, 0x00280050 } },
 719         { 6, AR5K_RF_BUFFER,
 720                 { 0x005000c3, 0x005000c3, 0x005000c3 } },
 721         { 6, AR5K_RF_BUFFER,
 722                 { 0x0004007f, 0x0004007f, 0x0004007f } },
 723         { 6, AR5K_RF_BUFFER,
 724                 { 0x00000458, 0x00000458, 0x00000458 } },
 725         { 6, AR5K_RF_BUFFER,
 726                 { 0x00000000, 0x00000000, 0x00000000 } },
 727         { 6, AR5K_RF_BUFFER,
 728                 { 0x0000c000, 0x0000c000, 0x0000c000 } },
 729         { 6, AR5K_RF_BUFFER_CONTROL_5,
 730                 { 0x00400230, 0x00400230, 0x00400230 } },
 731         { 7, AR5K_RF_BUFFER,
 732                 { 0x00006400, 0x00006400, 0x00006400 } },
 733         { 7, AR5K_RF_BUFFER,
 734                 { 0x00000800, 0x00000800, 0x00000800 } },
 735         { 7, AR5K_RF_BUFFER_CONTROL_2,
 736                 { 0x0000000e, 0x0000000e, 0x0000000e } },
 737 };
 738
 739 /* Initial RF Gain settings for RF5112 */
 740 static const struct ath5k_ini_rfgain rfgain_5112[] = {
 741         /*                            5Ghz      2Ghz    */
 742         { AR5K_RF_GAIN(0),      { 0x00000007, 0x00000007 } },
 743         { AR5K_RF_GAIN(1),      { 0x00000047, 0x00000047 } },
 744         { AR5K_RF_GAIN(2),      { 0x00000087, 0x00000087 } },
 745         { AR5K_RF_GAIN(3),      { 0x000001a0, 0x000001a0 } },
 746         { AR5K_RF_GAIN(4),      { 0x000001e0, 0x000001e0 } },
 747         { AR5K_RF_GAIN(5),      { 0x00000020, 0x00000020 } },
 748         { AR5K_RF_GAIN(6),      { 0x00000060, 0x00000060 } },
 749         { AR5K_RF_GAIN(7),      { 0x000001a1, 0x000001a1 } },
 750         { AR5K_RF_GAIN(8),      { 0x000001e1, 0x000001e1 } },
 751         { AR5K_RF_GAIN(9),      { 0x00000021, 0x00000021 } },
 752         { AR5K_RF_GAIN(10),     { 0x00000061, 0x00000061 } },
 753         { AR5K_RF_GAIN(11),     { 0x00000162, 0x00000162 } },
 754         { AR5K_RF_GAIN(12),     { 0x000001a2, 0x000001a2 } },
 755         { AR5K_RF_GAIN(13),     { 0x000001e2, 0x000001e2 } },
 756         { AR5K_RF_GAIN(14),     { 0x00000022, 0x00000022 } },
 757         { AR5K_RF_GAIN(15),     { 0x00000062, 0x00000062 } },
 758         { AR5K_RF_GAIN(16),     { 0x00000163, 0x00000163 } },
 759         { AR5K_RF_GAIN(17),     { 0x000001a3, 0x000001a3 } },
 760         { AR5K_RF_GAIN(18),     { 0x000001e3, 0x000001e3 } },
 761         { AR5K_RF_GAIN(19),     { 0x00000023, 0x00000023 } },
 762         { AR5K_RF_GAIN(20),     { 0x00000063, 0x00000063 } },
 763         { AR5K_RF_GAIN(21),     { 0x00000184, 0x00000184 } },
 764         { AR5K_RF_GAIN(22),     { 0x000001c4, 0x000001c4 } },
 765         { AR5K_RF_GAIN(23),     { 0x00000004, 0x00000004 } },
 766         { AR5K_RF_GAIN(24),     { 0x000001ea, 0x0000000b } },
 767         { AR5K_RF_GAIN(25),     { 0x0000002a, 0x0000004b } },
 768         { AR5K_RF_GAIN(26),     { 0x0000006a, 0x0000008b } },
 769         { AR5K_RF_GAIN(27),     { 0x000000aa, 0x000001ac } },
 770         { AR5K_RF_GAIN(28),     { 0x000001ab, 0x000001ec } },
 771         { AR5K_RF_GAIN(29),     { 0x000001eb, 0x0000002c } },
 772         { AR5K_RF_GAIN(30),     { 0x0000002b, 0x00000012 } },
 773         { AR5K_RF_GAIN(31),     { 0x0000006b, 0x00000052 } },
 774         { AR5K_RF_GAIN(32),     { 0x000000ab, 0x00000092 } },
 775         { AR5K_RF_GAIN(33),     { 0x000001ac, 0x00000193 } },
 776         { AR5K_RF_GAIN(34),     { 0x000001ec, 0x000001d3 } },
 777         { AR5K_RF_GAIN(35),     { 0x0000002c, 0x00000013 } },
 778         { AR5K_RF_GAIN(36),     { 0x0000003a, 0x00000053 } },
 779         { AR5K_RF_GAIN(37),     { 0x0000007a, 0x00000093 } },
 780         { AR5K_RF_GAIN(38),     { 0x000000ba, 0x00000194 } },
 781         { AR5K_RF_GAIN(39),     { 0x000001bb, 0x000001d4 } },
 782         { AR5K_RF_GAIN(40),     { 0x000001fb, 0x00000014 } },
 783         { AR5K_RF_GAIN(41),     { 0x0000003b, 0x0000003a } },
 784         { AR5K_RF_GAIN(42),     { 0x0000007b, 0x0000007a } },
 785         { AR5K_RF_GAIN(43),     { 0x000000bb, 0x000000ba } },
 786         { AR5K_RF_GAIN(44),     { 0x000001bc, 0x000001bb } },
 787         { AR5K_RF_GAIN(45),     { 0x000001fc, 0x000001fb } },
 788         { AR5K_RF_GAIN(46),     { 0x0000003c, 0x0000003b } },
 789         { AR5K_RF_GAIN(47),     { 0x0000007c, 0x0000007b } },
 790         { AR5K_RF_GAIN(48),     { 0x000000bc, 0x000000bb } },
 791         { AR5K_RF_GAIN(49),     { 0x000000fc, 0x000001bc } },
 792         { AR5K_RF_GAIN(50),     { 0x000000fc, 0x000001fc } },
 793         { AR5K_RF_GAIN(51),     { 0x000000fc, 0x0000003c } },
 794         { AR5K_RF_GAIN(52),     { 0x000000fc, 0x0000007c } },
 795         { AR5K_RF_GAIN(53),     { 0x000000fc, 0x000000bc } },
 796         { AR5K_RF_GAIN(54),     { 0x000000fc, 0x000000fc } },
 797         { AR5K_RF_GAIN(55),     { 0x000000fc, 0x000000fc } },
 798         { AR5K_RF_GAIN(56),     { 0x000000fc, 0x000000fc } },
 799         { AR5K_RF_GAIN(57),     { 0x000000fc, 0x000000fc } },
 800         { AR5K_RF_GAIN(58),     { 0x000000fc, 0x000000fc } },
 801         { AR5K_RF_GAIN(59),     { 0x000000fc, 0x000000fc } },
 802         { AR5K_RF_GAIN(60),     { 0x000000fc, 0x000000fc } },
 803         { AR5K_RF_GAIN(61),     { 0x000000fc, 0x000000fc } },
 804         { AR5K_RF_GAIN(62),     { 0x000000fc, 0x000000fc } },
 805         { AR5K_RF_GAIN(63),     { 0x000000fc, 0x000000fc } },
 806 };
 807
 808 /* Initial RF Gain settings for RF5413 */
 809 static const struct ath5k_ini_rfgain rfgain_5413[] = {
 810         /*                            5Ghz      2Ghz    */
 811         { AR5K_RF_GAIN(0),      { 0x00000000, 0x00000000 } },
 812         { AR5K_RF_GAIN(1),      { 0x00000040, 0x00000040 } },
 813         { AR5K_RF_GAIN(2),      { 0x00000080, 0x00000080 } },
 814         { AR5K_RF_GAIN(3),      { 0x000001a1, 0x00000161 } },
 815         { AR5K_RF_GAIN(4),      { 0x000001e1, 0x000001a1 } },
 816         { AR5K_RF_GAIN(5),      { 0x00000021, 0x000001e1 } },
 817         { AR5K_RF_GAIN(6),      { 0x00000061, 0x00000021 } },
 818         { AR5K_RF_GAIN(7),      { 0x00000188, 0x00000061 } },
 819         { AR5K_RF_GAIN(8),      { 0x000001c8, 0x00000188 } },
 820         { AR5K_RF_GAIN(9),      { 0x00000008, 0x000001c8 } },
 821         { AR5K_RF_GAIN(10),     { 0x00000048, 0x00000008 } },
 822         { AR5K_RF_GAIN(11),     { 0x00000088, 0x00000048 } },
 823         { AR5K_RF_GAIN(12),     { 0x000001a9, 0x00000088 } },
 824         { AR5K_RF_GAIN(13),     { 0x000001e9, 0x00000169 } },
 825         { AR5K_RF_GAIN(14),     { 0x00000029, 0x000001a9 } },
 826         { AR5K_RF_GAIN(15),     { 0x00000069, 0x000001e9 } },
 827         { AR5K_RF_GAIN(16),     { 0x000001d0, 0x00000029 } },
 828         { AR5K_RF_GAIN(17),     { 0x00000010, 0x00000069 } },
 829         { AR5K_RF_GAIN(18),     { 0x00000050, 0x00000190 } },
 830         { AR5K_RF_GAIN(19),     { 0x00000090, 0x000001d0 } },
 831         { AR5K_RF_GAIN(20),     { 0x000001b1, 0x00000010 } },
 832         { AR5K_RF_GAIN(21),     { 0x000001f1, 0x00000050 } },
 833         { AR5K_RF_GAIN(22),     { 0x00000031, 0x00000090 } },
 834         { AR5K_RF_GAIN(23),     { 0x00000071, 0x00000171 } },
 835         { AR5K_RF_GAIN(24),     { 0x000001b8, 0x000001b1 } },
 836         { AR5K_RF_GAIN(25),     { 0x000001f8, 0x000001f1 } },
 837         { AR5K_RF_GAIN(26),     { 0x00000038, 0x00000031 } },
 838         { AR5K_RF_GAIN(27),     { 0x00000078, 0x00000071 } },
 839         { AR5K_RF_GAIN(28),     { 0x00000199, 0x00000198 } },
 840         { AR5K_RF_GAIN(29),     { 0x000001d9, 0x000001d8 } },
 841         { AR5K_RF_GAIN(30),     { 0x00000019, 0x00000018 } },
 842         { AR5K_RF_GAIN(31),     { 0x00000059, 0x00000058 } },
 843         { AR5K_RF_GAIN(32),     { 0x00000099, 0x00000098 } },
 844         { AR5K_RF_GAIN(33),     { 0x000000d9, 0x00000179 } },
 845         { AR5K_RF_GAIN(34),     { 0x000000f9, 0x000001b9 } },
 846         { AR5K_RF_GAIN(35),     { 0x000000f9, 0x000001f9 } },
 847         { AR5K_RF_GAIN(36),     { 0x000000f9, 0x00000039 } },
 848         { AR5K_RF_GAIN(37),     { 0x000000f9, 0x00000079 } },
 849         { AR5K_RF_GAIN(38),     { 0x000000f9, 0x000000b9 } },
 850         { AR5K_RF_GAIN(39),     { 0x000000f9, 0x000000f9 } },
 851         { AR5K_RF_GAIN(40),     { 0x000000f9, 0x000000f9 } },
 852         { AR5K_RF_GAIN(41),     { 0x000000f9, 0x000000f9 } },
 853         { AR5K_RF_GAIN(42),     { 0x000000f9, 0x000000f9 } },
 854         { AR5K_RF_GAIN(43),     { 0x000000f9, 0x000000f9 } },
 855         { AR5K_RF_GAIN(44),     { 0x000000f9, 0x000000f9 } },
 856         { AR5K_RF_GAIN(45),     { 0x000000f9, 0x000000f9 } },
 857         { AR5K_RF_GAIN(46),     { 0x000000f9, 0x000000f9 } },
 858         { AR5K_RF_GAIN(47),     { 0x000000f9, 0x000000f9 } },
 859         { AR5K_RF_GAIN(48),     { 0x000000f9, 0x000000f9 } },
 860         { AR5K_RF_GAIN(49),     { 0x000000f9, 0x000000f9 } },
 861         { AR5K_RF_GAIN(50),     { 0x000000f9, 0x000000f9 } },
 862         { AR5K_RF_GAIN(51),     { 0x000000f9, 0x000000f9 } },
 863         { AR5K_RF_GAIN(52),     { 0x000000f9, 0x000000f9 } },
 864         { AR5K_RF_GAIN(53),     { 0x000000f9, 0x000000f9 } },
 865         { AR5K_RF_GAIN(54),     { 0x000000f9, 0x000000f9 } },
 866         { AR5K_RF_GAIN(55),     { 0x000000f9, 0x000000f9 } },
 867         { AR5K_RF_GAIN(56),     { 0x000000f9, 0x000000f9 } },
 868         { AR5K_RF_GAIN(57),     { 0x000000f9, 0x000000f9 } },
 869         { AR5K_RF_GAIN(58),     { 0x000000f9, 0x000000f9 } },
 870         { AR5K_RF_GAIN(59),     { 0x000000f9, 0x000000f9 } },
 871         { AR5K_RF_GAIN(60),     { 0x000000f9, 0x000000f9 } },
 872         { AR5K_RF_GAIN(61),     { 0x000000f9, 0x000000f9 } },
 873         { AR5K_RF_GAIN(62),     { 0x000000f9, 0x000000f9 } },
 874         { AR5K_RF_GAIN(63),     { 0x000000f9, 0x000000f9 } },
 875 };
 876
 877 /* Initial RF Gain settings for RF2413 */
 878 static const struct ath5k_ini_rfgain rfgain_2413[] = {
 879         { AR5K_RF_GAIN(0), { 0x00000000 } },
 880         { AR5K_RF_GAIN(1), { 0x00000040 } },
 881         { AR5K_RF_GAIN(2), { 0x00000080 } },
 882         { AR5K_RF_GAIN(3), { 0x00000181 } },
 883         { AR5K_RF_GAIN(4), { 0x000001c1 } },
 884         { AR5K_RF_GAIN(5), { 0x00000001 } },
 885         { AR5K_RF_GAIN(6), { 0x00000041 } },
 886         { AR5K_RF_GAIN(7), { 0x00000081 } },
 887         { AR5K_RF_GAIN(8), { 0x00000168 } },
 888         { AR5K_RF_GAIN(9), { 0x000001a8 } },
 889         { AR5K_RF_GAIN(10), { 0x000001e8 } },
 890         { AR5K_RF_GAIN(11), { 0x00000028 } },
 891         { AR5K_RF_GAIN(12), { 0x00000068 } },
 892         { AR5K_RF_GAIN(13), { 0x00000189 } },
 893         { AR5K_RF_GAIN(14), { 0x000001c9 } },
 894         { AR5K_RF_GAIN(15), { 0x00000009 } },
 895         { AR5K_RF_GAIN(16), { 0x00000049 } },
 896         { AR5K_RF_GAIN(17), { 0x00000089 } },
 897         { AR5K_RF_GAIN(18), { 0x00000190 } },
 898         { AR5K_RF_GAIN(19), { 0x000001d0 } },
 899         { AR5K_RF_GAIN(20), { 0x00000010 } },
 900         { AR5K_RF_GAIN(21), { 0x00000050 } },
 901         { AR5K_RF_GAIN(22), { 0x00000090 } },
 902         { AR5K_RF_GAIN(23), { 0x00000191 } },
 903         { AR5K_RF_GAIN(24), { 0x000001d1 } },
 904         { AR5K_RF_GAIN(25), { 0x00000011 } },
 905         { AR5K_RF_GAIN(26), { 0x00000051 } },
 906         { AR5K_RF_GAIN(27), { 0x00000091 } },
 907         { AR5K_RF_GAIN(28), { 0x00000178 } },
 908         { AR5K_RF_GAIN(29), { 0x000001b8 } },
 909         { AR5K_RF_GAIN(30), { 0x000001f8 } },
 910         { AR5K_RF_GAIN(31), { 0x00000038 } },
 911         { AR5K_RF_GAIN(32), { 0x00000078 } },
 912         { AR5K_RF_GAIN(33), { 0x00000199 } },
 913         { AR5K_RF_GAIN(34), { 0x000001d9 } },
 914         { AR5K_RF_GAIN(35), { 0x00000019 } },
 915         { AR5K_RF_GAIN(36), { 0x00000059 } },
 916         { AR5K_RF_GAIN(37), { 0x00000099 } },
 917         { AR5K_RF_GAIN(38), { 0x000000d9 } },
 918         { AR5K_RF_GAIN(39), { 0x000000f9 } },
 919         { AR5K_RF_GAIN(40), { 0x000000f9 } },
 920         { AR5K_RF_GAIN(41), { 0x000000f9 } },
 921         { AR5K_RF_GAIN(42), { 0x000000f9 } },
 922         { AR5K_RF_GAIN(43), { 0x000000f9 } },
 923         { AR5K_RF_GAIN(44), { 0x000000f9 } },
 924         { AR5K_RF_GAIN(45), { 0x000000f9 } },
 925         { AR5K_RF_GAIN(46), { 0x000000f9 } },
 926         { AR5K_RF_GAIN(47), { 0x000000f9 } },
 927         { AR5K_RF_GAIN(48), { 0x000000f9 } },
 928         { AR5K_RF_GAIN(49), { 0x000000f9 } },
 929         { AR5K_RF_GAIN(50), { 0x000000f9 } },
 930         { AR5K_RF_GAIN(51), { 0x000000f9 } },
 931         { AR5K_RF_GAIN(52), { 0x000000f9 } },
 932         { AR5K_RF_GAIN(53), { 0x000000f9 } },
 933         { AR5K_RF_GAIN(54), { 0x000000f9 } },
 934         { AR5K_RF_GAIN(55), { 0x000000f9 } },
 935         { AR5K_RF_GAIN(56), { 0x000000f9 } },
 936         { AR5K_RF_GAIN(57), { 0x000000f9 } },
 937         { AR5K_RF_GAIN(58), { 0x000000f9 } },
 938         { AR5K_RF_GAIN(59), { 0x000000f9 } },
 939         { AR5K_RF_GAIN(60), { 0x000000f9 } },
 940         { AR5K_RF_GAIN(61), { 0x000000f9 } },
 941         { AR5K_RF_GAIN(62), { 0x000000f9 } },
 942         { AR5K_RF_GAIN(63), { 0x000000f9 } },
 943 };
 944
 945 static const struct ath5k_gain_opt rfgain_opt_5112 = {
 946         1,
 947         8,
 948         {
 949                 { { 3, 0, 0, 0, 0, 0, 0 }, 6 },
 950                 { { 2, 0, 0, 0, 0, 0, 0 }, 0 },
 951                 { { 1, 0, 0, 0, 0, 0, 0 }, -3 },
 952                 { { 0, 0, 0, 0, 0, 0, 0 }, -6 },
 953                 { { 0, 1, 1, 0, 0, 0, 0 }, -8 },
 954                 { { 0, 1, 1, 0, 1, 1, 0 }, -10 },
 955                 { { 0, 1, 0, 1, 1, 1, 0 }, -13 },
 956                 { { 0, 1, 0, 1, 1, 0, 1 }, -16 },
 957         }
 958 };
 959
 960 /*
 961  * Used to modify RF Banks before writing them to AR5K_RF_BUFFER
 962  */
 963 static unsigned int ath5k_hw_rfregs_op(u32 *rf, u32 offset, u32 reg, u32 bits,
 964                 u32 first, u32 col, bool set)
 965 {
 966         u32 mask, entry, last, data, shift, position;
 967         s32 left;
 968         int i;
 969
 970         data = 0;
 971
 972         if (rf == NULL)
 973                 /* should not happen */
 974                 return 0;
 975
 976         if (!(col <= 3 && bits <= 32 && first + bits <= 319)) {
 977                 ATH5K_PRINTF("invalid values at offset %u\n", offset);
 978                 return 0;
 979         }
 980
 981         entry = ((first - 1) / 8) + offset;
 982         position = (first - 1) % 8;
 983
 984         if (set == true)
 985                 data = ath5k_hw_bitswap(reg, bits);
 986
 987         for (i = shift = 0, left = bits; left > 0; position = 0, entry++, i++) {
 988                 last = (position + left > 8) ? 8 : position + left;
 989                 mask = (((1 << last) - 1) ^ ((1 << position) - 1)) << (col * 8);
 990
 991                 if (set == true) {
 992                         rf[entry] &= ~mask;
 993                         rf[entry] |= ((data << position) << (col * 8)) & mask;
 994                         data >>= (8 - position);
 995                 } else {
 996                         data = (((rf[entry] & mask) >> (col * 8)) >> position)
 997                                 << shift;
 998                         shift += last - position;
 999                 }
1000
1001                 left -= 8 - position;
1002         }
1003
1004         data = set == true ? 1 : ath5k_hw_bitswap(data, bits);
1005
1006         return data;
1007 }
1008
1009 static u32 ath5k_hw_rfregs_gainf_corr(struct ath5k_hw *ah)
1010 {
1011         u32 mix, step;
1012         u32 *rf;
1013
1014         if (ah->ah_rf_banks == NULL)
1015                 return 0;
1016
1017         rf = ah->ah_rf_banks;
1018         ah->ah_gain.g_f_corr = 0;
1019
1020         if (ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 1, 36, 0, false) != 1)
1021                 return 0;
1022
1023         step = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 4, 32, 0, false);
1024         mix = ah->ah_gain.g_step->gos_param[0];
1025
1026         switch (mix) {
1027         case 3:
1028                 ah->ah_gain.g_f_corr = step * 2;
1029                 break;
1030         case 2:
1031                 ah->ah_gain.g_f_corr = (step - 5) * 2;
1032                 break;
1033         case 1:
1034                 ah->ah_gain.g_f_corr = step;
1035                 break;
1036         default:
1037                 ah->ah_gain.g_f_corr = 0;
1038                 break;
1039         }
1040
1041         return ah->ah_gain.g_f_corr;
1042 }
1043
1044 static bool ath5k_hw_rfregs_gain_readback(struct ath5k_hw *ah)
1045 {
1046         u32 step, mix, level[4];
1047         u32 *rf;
1048
1049         if (ah->ah_rf_banks == NULL)
1050                 return false;
1051
1052         rf = ah->ah_rf_banks;
1053
1054         if (ah->ah_radio == AR5K_RF5111) {
1055                 step = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 6, 37, 0,
1056                                 false);
1057                 level[0] = 0;
1058                 level[1] = (step == 0x3f) ? 0x32 : step + 4;
1059                 level[2] = (step != 0x3f) ? 0x40 : level[0];
1060                 level[3] = level[2] + 0x32;
1061
1062                 ah->ah_gain.g_high = level[3] -
1063                         (step == 0x3f ? AR5K_GAIN_DYN_ADJUST_HI_MARGIN : -5);
1064                 ah->ah_gain.g_low = level[0] +
1065                         (step == 0x3f ? AR5K_GAIN_DYN_ADJUST_LO_MARGIN : 0);
1066         } else {
1067                 mix = ath5k_hw_rfregs_op(rf, ah->ah_offset[7], 0, 1, 36, 0,
1068                                 false);
1069                 level[0] = level[2] = 0;
1070
1071                 if (mix == 1) {
1072                         level[1] = level[3] = 83;
1073                 } else {
1074                         level[1] = level[3] = 107;
1075                         ah->ah_gain.g_high = 55;
1076                 }
1077         }
1078
1079         return (ah->ah_gain.g_current >= level[0] &&
1080                         ah->ah_gain.g_current <= level[1]) ||
1081                 (ah->ah_gain.g_current >= level[2] &&
1082                         ah->ah_gain.g_current <= level[3]);
1083 }
1084
1085 static s32 ath5k_hw_rfregs_gain_adjust(struct ath5k_hw *ah)
1086 {
1087         const struct ath5k_gain_opt *go;
1088         int ret = 0;
1089
1090         switch (ah->ah_radio) {
1091         case AR5K_RF5111:
1092                 go = &rfgain_opt_5111;
1093                 break;
1094         case AR5K_RF5112:
1095                 go = &rfgain_opt_5112;
1096                 break;
1097         default:
1098                 return 0;
1099         }
1100
1101         ah->ah_gain.g_step = &go->go_step[ah->ah_gain.g_step_idx];
1102
1103         if (ah->ah_gain.g_current >= ah->ah_gain.g_high) {
1104                 if (ah->ah_gain.g_step_idx == 0)
1105                         return -1;
1106                 for (ah->ah_gain.g_target = ah->ah_gain.g_current;
1107                                 ah->ah_gain.g_target >=  ah->ah_gain.g_high &&
1108                                 ah->ah_gain.g_step_idx > 0;
1109                                 ah->ah_gain.g_step =
1110                                         &go->go_step[ah->ah_gain.g_step_idx])
1111                         ah->ah_gain.g_target -= 2 *
1112                             (go->go_step[--(ah->ah_gain.g_step_idx)].gos_gain -
1113                             ah->ah_gain.g_step->gos_gain);
1114
1115                 ret = 1;
1116                 goto done;
1117         }
1118
1119         if (ah->ah_gain.g_current <= ah->ah_gain.g_low) {
1120                 if (ah->ah_gain.g_step_idx == (go->go_steps_count - 1))
1121                         return -2;
1122                 for (ah->ah_gain.g_target = ah->ah_gain.g_current;
1123                                 ah->ah_gain.g_target <= ah->ah_gain.g_low &&
1124                                 ah->ah_gain.g_step_idx < go->go_steps_count-1;
1125                                 ah->ah_gain.g_step =
1126                                         &go->go_step[ah->ah_gain.g_step_idx])
1127                         ah->ah_gain.g_target -= 2 *
1128                             (go->go_step[++ah->ah_gain.g_step_idx].gos_gain -
1129                             ah->ah_gain.g_step->gos_gain);
1130
1131                 ret = 2;
1132                 goto done;
1133         }
1134
1135 done:
1136         ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
1137                 "ret %d, gain step %u, current gain %u, target gain %u\n",
1138                 ret, ah->ah_gain.g_step_idx, ah->ah_gain.g_current,
1139                 ah->ah_gain.g_target);
1140
1141         return ret;
1142 }
1143
1144 /*
1145  * Read EEPROM Calibration data, modify RF Banks and Initialize RF5111
1146  */
1147 static int ath5k_hw_rf5111_rfregs(struct ath5k_hw *ah,
1148                 struct ieee80211_channel *channel, unsigned int mode)
1149 {
1150         struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
1151         u32 *rf;
1152         const unsigned int rf_size = ARRAY_SIZE(rfregs_5111);
1153         unsigned int i;
1154         int obdb = -1, bank = -1;
1155         u32 ee_mode;
1156
1157         AR5K_ASSERT_ENTRY(mode, AR5K_MODE_MAX);
1158
1159         rf = ah->ah_rf_banks;
1160
1161         /* Copy values to modify them */
1162         for (i = 0; i < rf_size; i++) {
1163                 if (rfregs_5111[i].rf_bank >= AR5K_RF5111_INI_RF_MAX_BANKS) {
1164                         ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1165                         return -EINVAL;
1166                 }
1167
1168                 if (bank != rfregs_5111[i].rf_bank) {
1169                         bank = rfregs_5111[i].rf_bank;
1170                         ah->ah_offset[bank] = i;
1171                 }
1172
1173                 rf[i] = rfregs_5111[i].rf_value[mode];
1174         }
1175
1176         /* Modify bank 0 */
1177         if (channel->hw_value & CHANNEL_2GHZ) {
1178                 if (channel->hw_value & CHANNEL_CCK)
1179                         ee_mode = AR5K_EEPROM_MODE_11B;
1180                 else
1181                         ee_mode = AR5K_EEPROM_MODE_11G;
1182                 obdb = 0;
1183
1184                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[0],
1185                                 ee->ee_ob[ee_mode][obdb], 3, 119, 0, true))
1186                         return -EINVAL;
1187
1188                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[0],
1189                                 ee->ee_ob[ee_mode][obdb], 3, 122, 0, true))
1190                         return -EINVAL;
1191
1192                 obdb = 1;
1193         /* Modify bank 6 */
1194         } else {
1195                 /* For 11a, Turbo and XR */
1196                 ee_mode = AR5K_EEPROM_MODE_11A;
1197                 obdb =   channel->center_freq >= 5725 ? 3 :
1198                         (channel->center_freq >= 5500 ? 2 :
1199                         (channel->center_freq >= 5260 ? 1 :
1200                          (channel->center_freq > 4000 ? 0 : -1)));
1201
1202                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1203                                 ee->ee_pwd_84, 1, 51, 3, true))
1204                         return -EINVAL;
1205
1206                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1207                                 ee->ee_pwd_90, 1, 45, 3, true))
1208                         return -EINVAL;
1209         }
1210
1211         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1212                         !ee->ee_xpd[ee_mode], 1, 95, 0, true))
1213                 return -EINVAL;
1214
1215         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1216                         ee->ee_x_gain[ee_mode], 4, 96, 0, true))
1217                 return -EINVAL;
1218
1219         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6], obdb >= 0 ?
1220                         ee->ee_ob[ee_mode][obdb] : 0, 3, 104, 0, true))
1221                 return -EINVAL;
1222
1223         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6], obdb >= 0 ?
1224                         ee->ee_db[ee_mode][obdb] : 0, 3, 107, 0, true))
1225                 return -EINVAL;
1226
1227         /* Modify bank 7 */
1228         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1229                         ee->ee_i_gain[ee_mode], 6, 29, 0, true))
1230                 return -EINVAL;
1231
1232         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1233                         ee->ee_xpd[ee_mode], 1, 4, 0, true))
1234                 return -EINVAL;
1235
1236         /* Write RF values */
1237         for (i = 0; i < rf_size; i++) {
1238                 AR5K_REG_WAIT(i);
1239                 ath5k_hw_reg_write(ah, rf[i], rfregs_5111[i].rf_register);
1240         }
1241
1242         return 0;
1243 }
1244
1245 /*
1246  * Read EEPROM Calibration data, modify RF Banks and Initialize RF5112
1247  */
1248 static int ath5k_hw_rf5112_rfregs(struct ath5k_hw *ah,
1249                 struct ieee80211_channel *channel, unsigned int mode)
1250 {
1251         const struct ath5k_ini_rf *rf_ini;
1252         struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
1253         u32 *rf;
1254         unsigned int rf_size, i;
1255         int obdb = -1, bank = -1;
1256         u32 ee_mode;
1257
1258         AR5K_ASSERT_ENTRY(mode, AR5K_MODE_MAX);
1259
1260         rf = ah->ah_rf_banks;
1261
1262         if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_2112A
1263                 && !test_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode)) {
1264                 rf_ini = rfregs_2112a;
1265                 rf_size = ARRAY_SIZE(rfregs_5112a);
1266                 if (mode < 2) {
1267                         ATH5K_ERR(ah->ah_sc,"invalid channel mode: %i\n",mode);
1268                         return -EINVAL;
1269                 }
1270                 mode = mode - 2; /*no a/turboa modes for 2112*/
1271         } else if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_5112A) {
1272                 rf_ini = rfregs_5112a;
1273                 rf_size = ARRAY_SIZE(rfregs_5112a);
1274         } else {
1275                 rf_ini = rfregs_5112;
1276                 rf_size = ARRAY_SIZE(rfregs_5112);
1277         }
1278
1279         /* Copy values to modify them */
1280         for (i = 0; i < rf_size; i++) {
1281                 if (rf_ini[i].rf_bank >= AR5K_RF5112_INI_RF_MAX_BANKS) {
1282                         ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1283                         return -EINVAL;
1284                 }
1285
1286                 if (bank != rf_ini[i].rf_bank) {
1287                         bank = rf_ini[i].rf_bank;
1288                         ah->ah_offset[bank] = i;
1289                 }
1290
1291                 rf[i] = rf_ini[i].rf_value[mode];
1292         }
1293
1294         /* Modify bank 6 */
1295         if (channel->hw_value & CHANNEL_2GHZ) {
1296                 if (channel->hw_value & CHANNEL_OFDM)
1297                         ee_mode = AR5K_EEPROM_MODE_11G;
1298                 else
1299                         ee_mode = AR5K_EEPROM_MODE_11B;
1300                 obdb = 0;
1301
1302                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1303                                 ee->ee_ob[ee_mode][obdb], 3, 287, 0, true))
1304                         return -EINVAL;
1305
1306                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1307                                 ee->ee_ob[ee_mode][obdb], 3, 290, 0, true))
1308                         return -EINVAL;
1309         } else {
1310                 /* For 11a, Turbo and XR */
1311                 ee_mode = AR5K_EEPROM_MODE_11A;
1312                 obdb = channel->center_freq >= 5725 ? 3 :
1313                     (channel->center_freq >= 5500 ? 2 :
1314                         (channel->center_freq >= 5260 ? 1 :
1315                             (channel->center_freq > 4000 ? 0 : -1)));
1316
1317                 if (obdb == -1)
1318                         return -EINVAL;
1319
1320                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1321                                 ee->ee_ob[ee_mode][obdb], 3, 279, 0, true))
1322                         return -EINVAL;
1323
1324                 if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1325                                 ee->ee_ob[ee_mode][obdb], 3, 282, 0, true))
1326                         return -EINVAL;
1327         }
1328
1329         ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1330             ee->ee_x_gain[ee_mode], 2, 270, 0, true);
1331         ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1332             ee->ee_x_gain[ee_mode], 2, 257, 0, true);
1333
1334         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[6],
1335                         ee->ee_xpd[ee_mode], 1, 302, 0, true))
1336                 return -EINVAL;
1337
1338         /* Modify bank 7 */
1339         if (!ath5k_hw_rfregs_op(rf, ah->ah_offset[7],
1340                         ee->ee_i_gain[ee_mode], 6, 14, 0, true))
1341                 return -EINVAL;
1342
1343         /* Write RF values */
1344         for (i = 0; i < rf_size; i++)
1345                 ath5k_hw_reg_write(ah, rf[i], rf_ini[i].rf_register);
1346
1347         return 0;
1348 }
1349
1350 /*
1351  * Initialize RF5413/5414
1352  */
1353 static int ath5k_hw_rf5413_rfregs(struct ath5k_hw *ah,
1354                 struct ieee80211_channel *channel, unsigned int mode)
1355 {
1356         const struct ath5k_ini_rf *rf_ini;
1357         u32 *rf;
1358         unsigned int rf_size, i;
1359         int bank = -1;
1360
1361         AR5K_ASSERT_ENTRY(mode, AR5K_MODE_MAX);
1362
1363         rf = ah->ah_rf_banks;
1364
1365         if (ah->ah_radio == AR5K_RF5413) {
1366                 rf_ini = rfregs_5413;
1367                 rf_size = ARRAY_SIZE(rfregs_5413);
1368         } else if (ah->ah_radio == AR5K_RF2413) {
1369                 rf_ini = rfregs_2413;
1370                 rf_size = ARRAY_SIZE(rfregs_2413);
1371                 if (mode < 2) {
1372                         ATH5K_ERR(ah->ah_sc,
1373                                 "invalid channel mode: %i\n", mode);
1374                         return -EINVAL;
1375                 }
1376                 mode = mode - 2;
1377         } else {
1378                 return -EINVAL;
1379         }
1380
1381         /* Copy values to modify them */
1382         for (i = 0; i < rf_size; i++) {
1383                 if (rf_ini[i].rf_bank >= AR5K_RF5112_INI_RF_MAX_BANKS) {
1384                         ATH5K_ERR(ah->ah_sc, "invalid bank\n");
1385                         return -EINVAL;
1386                 }
1387
1388                 if (bank != rf_ini[i].rf_bank) {
1389                         bank = rf_ini[i].rf_bank;
1390                         ah->ah_offset[bank] = i;
1391                 }
1392
1393                 rf[i] = rf_ini[i].rf_value[mode];
1394         }
1395
1396         /*
1397          * After compairing dumps from different cards
1398          * we get the same RF_BUFFER settings (diff returns
1399          * 0 lines). It seems that RF_BUFFER settings are static
1400          * and are written unmodified (no EEPROM stuff
1401          * is used because calibration data would be
1402          * different between different cards and would result
1403          * different RF_BUFFER settings)
1404          */
1405
1406         /* Write RF values */
1407         for (i = 0; i < rf_size; i++)
1408                 ath5k_hw_reg_write(ah, rf[i], rf_ini[i].rf_register);
1409
1410         return 0;
1411 }
1412
1413 /*
1414  * Initialize RF
1415  */
1416 int ath5k_hw_rfregs(struct ath5k_hw *ah, struct ieee80211_channel *channel,
1417                 unsigned int mode)
1418 {
1419         int (*func)(struct ath5k_hw *, struct ieee80211_channel *, unsigned int);
1420         int ret;
1421
1422         switch (ah->ah_radio) {
1423         case AR5K_RF5111:
1424                 ah->ah_rf_banks_size = sizeof(rfregs_5111);
1425                 func = ath5k_hw_rf5111_rfregs;
1426                 break;
1427         case AR5K_RF5112:
1428                 if (ah->ah_radio_5ghz_revision >= AR5K_SREV_RAD_5112A)
1429                         ah->ah_rf_banks_size = sizeof(rfregs_5112a);
1430                 else
1431                         ah->ah_rf_banks_size = sizeof(rfregs_5112);
1432                 func = ath5k_hw_rf5112_rfregs;
1433                 break;
1434         case AR5K_RF5413:
1435                 ah->ah_rf_banks_size = sizeof(rfregs_5413);
1436                 func = ath5k_hw_rf5413_rfregs;
1437                 break;
1438         case AR5K_RF2413:
1439                 ah->ah_rf_banks_size = sizeof(rfregs_2413);
1440                 func = ath5k_hw_rf5413_rfregs;
1441                 break;
1442         default:
1443                 return -EINVAL;
1444         }
1445
1446         if (ah->ah_rf_banks == NULL) {
1447                 /* XXX do extra checks? */
1448                 ah->ah_rf_banks = kmalloc(ah->ah_rf_banks_size, GFP_KERNEL);
1449                 if (ah->ah_rf_banks == NULL) {
1450                         ATH5K_ERR(ah->ah_sc, "out of memory\n");
1451                         return -ENOMEM;
1452                 }
1453         }
1454
1455         ret = func(ah, channel, mode);
1456         if (!ret)
1457                 ah->ah_rf_gain = AR5K_RFGAIN_INACTIVE;
1458
1459         return ret;
1460 }
1461
1462 int ath5k_hw_rfgain(struct ath5k_hw *ah, unsigned int freq)
1463 {
1464         const struct ath5k_ini_rfgain *ath5k_rfg;
1465         unsigned int i, size;
1466
1467         switch (ah->ah_radio) {
1468         case AR5K_RF5111:
1469                 ath5k_rfg = rfgain_5111;
1470                 size = ARRAY_SIZE(rfgain_5111);
1471                 break;
1472         case AR5K_RF5112:
1473                 ath5k_rfg = rfgain_5112;
1474                 size = ARRAY_SIZE(rfgain_5112);
1475                 break;
1476         case AR5K_RF5413:
1477                 ath5k_rfg = rfgain_5413;
1478                 size = ARRAY_SIZE(rfgain_5413);
1479                 break;
1480         case AR5K_RF2413:
1481                 ath5k_rfg = rfgain_2413;
1482                 size = ARRAY_SIZE(rfgain_2413);
1483                 freq = 0; /* only 2Ghz */
1484                 break;
1485         default:
1486                 return -EINVAL;
1487         }
1488
1489         switch (freq) {
1490         case AR5K_INI_RFGAIN_2GHZ:
1491         case AR5K_INI_RFGAIN_5GHZ:
1492                 break;
1493         default:
1494                 return -EINVAL;
1495         }
1496
1497         for (i = 0; i < size; i++) {
1498                 AR5K_REG_WAIT(i);
1499                 ath5k_hw_reg_write(ah, ath5k_rfg[i].rfg_value[freq],
1500                         (u32)ath5k_rfg[i].rfg_register);
1501         }
1502
1503         return 0;
1504 }
1505
1506 enum ath5k_rfgain ath5k_hw_get_rf_gain(struct ath5k_hw *ah)
1507 {
1508         u32 data, type;
1509
1510         ATH5K_TRACE(ah->ah_sc);
1511
1512         if (ah->ah_rf_banks == NULL || !ah->ah_gain.g_active ||
1513                         ah->ah_version <= AR5K_AR5211)
1514                 return AR5K_RFGAIN_INACTIVE;
1515
1516         if (ah->ah_rf_gain != AR5K_RFGAIN_READ_REQUESTED)
1517                 goto done;
1518
1519         data = ath5k_hw_reg_read(ah, AR5K_PHY_PAPD_PROBE);
1520
1521         if (!(data & AR5K_PHY_PAPD_PROBE_TX_NEXT)) {
1522                 ah->ah_gain.g_current = data >> AR5K_PHY_PAPD_PROBE_GAINF_S;
1523                 type = AR5K_REG_MS(data, AR5K_PHY_PAPD_PROBE_TYPE);
1524
1525                 if (type == AR5K_PHY_PAPD_PROBE_TYPE_CCK)
1526                         ah->ah_gain.g_current += AR5K_GAIN_CCK_PROBE_CORR;
1527
1528                 if (ah->ah_radio >= AR5K_RF5112) {
1529                         ath5k_hw_rfregs_gainf_corr(ah);
1530                         ah->ah_gain.g_current =
1531                                 ah->ah_gain.g_current>=ah->ah_gain.g_f_corr ?
1532                                 (ah->ah_gain.g_current-ah->ah_gain.g_f_corr) :
1533                                 0;
1534                 }
1535
1536                 if (ath5k_hw_rfregs_gain_readback(ah) &&
1537                                 AR5K_GAIN_CHECK_ADJUST(&ah->ah_gain) &&
1538                                 ath5k_hw_rfregs_gain_adjust(ah))
1539                         ah->ah_rf_gain = AR5K_RFGAIN_NEED_CHANGE;
1540         }
1541
1542 done:
1543         return ah->ah_rf_gain;
1544 }
1545
1546 int ath5k_hw_set_rfgain_opt(struct ath5k_hw *ah)
1547 {
1548         /* Initialize the gain optimization values */
1549         switch (ah->ah_radio) {
1550         case AR5K_RF5111:
1551                 ah->ah_gain.g_step_idx = rfgain_opt_5111.go_default;
1552                 ah->ah_gain.g_step =
1553                     &rfgain_opt_5111.go_step[ah->ah_gain.g_step_idx];
1554                 ah->ah_gain.g_low = 20;
1555                 ah->ah_gain.g_high = 35;
1556                 ah->ah_gain.g_active = 1;
1557                 break;
1558         case AR5K_RF5112:
1559                 ah->ah_gain.g_step_idx = rfgain_opt_5112.go_default;
1560                 ah->ah_gain.g_step =
1561                     &rfgain_opt_5112.go_step[ah->ah_gain.g_step_idx];
1562                 ah->ah_gain.g_low = 20;
1563                 ah->ah_gain.g_high = 85;
1564                 ah->ah_gain.g_active = 1;
1565                 break;
1566         default:
1567                 return -EINVAL;
1568         }
1569
1570         return 0;
1571 }
1572
1573 /**************************\
1574   PHY/RF channel functions
1575 \**************************/
1576
1577 /*
1578  * Check if a channel is supported
1579  */
1580 bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags)
1581 {
1582         /* Check if the channel is in our supported range */
1583         if (flags & CHANNEL_2GHZ) {
1584                 if ((freq >= ah->ah_capabilities.cap_range.range_2ghz_min) &&
1585                     (freq <= ah->ah_capabilities.cap_range.range_2ghz_max))
1586                         return true;
1587         } else if (flags & CHANNEL_5GHZ)
1588                 if ((freq >= ah->ah_capabilities.cap_range.range_5ghz_min) &&
1589                     (freq <= ah->ah_capabilities.cap_range.range_5ghz_max))
1590                         return true;
1591
1592         return false;
1593 }
1594
1595 /*
1596  * Convertion needed for RF5110
1597  */
1598 static u32 ath5k_hw_rf5110_chan2athchan(struct ieee80211_channel *channel)
1599 {
1600         u32 athchan;
1601
1602         /*
1603          * Convert IEEE channel/MHz to an internal channel value used
1604          * by the AR5210 chipset. This has not been verified with
1605          * newer chipsets like the AR5212A who have a completely
1606          * different RF/PHY part.
1607          */
1608         athchan = (ath5k_hw_bitswap(
1609                         (ieee80211_frequency_to_channel(
1610                                 channel->center_freq) - 24) / 2, 5)
1611                                 << 1) | (1 << 6) | 0x1;
1612         return athchan;
1613 }
1614
1615 /*
1616  * Set channel on RF5110
1617  */
1618 static int ath5k_hw_rf5110_channel(struct ath5k_hw *ah,
1619                 struct ieee80211_channel *channel)
1620 {
1621         u32 data;
1622
1623         /*
1624          * Set the channel and wait
1625          */
1626         data = ath5k_hw_rf5110_chan2athchan(channel);
1627         ath5k_hw_reg_write(ah, data, AR5K_RF_BUFFER);
1628         ath5k_hw_reg_write(ah, 0, AR5K_RF_BUFFER_CONTROL_0);
1629         mdelay(1);
1630
1631         return 0;
1632 }
1633
1634 /*
1635  * Convertion needed for 5111
1636  */
1637 static int ath5k_hw_rf5111_chan2athchan(unsigned int ieee,
1638                 struct ath5k_athchan_2ghz *athchan)
1639 {
1640         int channel;
1641
1642         /* Cast this value to catch negative channel numbers (>= -19) */
1643         channel = (int)ieee;
1644
1645         /*
1646          * Map 2GHz IEEE channel to 5GHz Atheros channel
1647          */
1648         if (channel <= 13) {
1649                 athchan->a2_athchan = 115 + channel;
1650                 athchan->a2_flags = 0x46;
1651         } else if (channel == 14) {
1652                 athchan->a2_athchan = 124;
1653                 athchan->a2_flags = 0x44;
1654         } else if (channel >= 15 && channel <= 26) {
1655                 athchan->a2_athchan = ((channel - 14) * 4) + 132;
1656                 athchan->a2_flags = 0x46;
1657         } else
1658                 return -EINVAL;
1659
1660         return 0;
1661 }
1662
1663 /*
1664  * Set channel on 5111
1665  */
1666 static int ath5k_hw_rf5111_channel(struct ath5k_hw *ah,
1667                 struct ieee80211_channel *channel)
1668 {
1669         struct ath5k_athchan_2ghz ath5k_channel_2ghz;
1670         unsigned int ath5k_channel =
1671                 ieee80211_frequency_to_channel(channel->center_freq);
1672         u32 data0, data1, clock;
1673         int ret;
1674
1675         /*
1676          * Set the channel on the RF5111 radio
1677          */
1678         data0 = data1 = 0;
1679
1680         if (channel->hw_value & CHANNEL_2GHZ) {
1681                 /* Map 2GHz channel to 5GHz Atheros channel ID */
1682                 ret = ath5k_hw_rf5111_chan2athchan(
1683                         ieee80211_frequency_to_channel(channel->center_freq),
1684                         &ath5k_channel_2ghz);
1685                 if (ret)
1686                         return ret;
1687
1688                 ath5k_channel = ath5k_channel_2ghz.a2_athchan;
1689                 data0 = ((ath5k_hw_bitswap(ath5k_channel_2ghz.a2_flags, 8) & 0xff)
1690                     << 5) | (1 << 4);
1691         }
1692
1693         if (ath5k_channel < 145 || !(ath5k_channel & 1)) {
1694                 clock = 1;
1695                 data1 = ((ath5k_hw_bitswap(ath5k_channel - 24, 8) & 0xff) << 2) |
1696                         (clock << 1) | (1 << 10) | 1;
1697         } else {
1698                 clock = 0;
1699                 data1 = ((ath5k_hw_bitswap((ath5k_channel - 24) / 2, 8) & 0xff)
1700                         << 2) | (clock << 1) | (1 << 10) | 1;
1701         }
1702
1703         ath5k_hw_reg_write(ah, (data1 & 0xff) | ((data0 & 0xff) << 8),
1704                         AR5K_RF_BUFFER);
1705         ath5k_hw_reg_write(ah, ((data1 >> 8) & 0xff) | (data0 & 0xff00),
1706                         AR5K_RF_BUFFER_CONTROL_3);
1707
1708         return 0;
1709 }
1710
1711 /*
1712  * Set channel on 5112 and newer
1713  */
1714 static int ath5k_hw_rf5112_channel(struct ath5k_hw *ah,
1715                 struct ieee80211_channel *channel)
1716 {
1717         u32 data, data0, data1, data2;
1718         u16 c;
1719
1720         data = data0 = data1 = data2 = 0;
1721         c = channel->center_freq;
1722
1723         /*
1724          * Set the channel on the RF5112 or newer
1725          */
1726         if (c < 4800) {
1727                 if (!((c - 2224) % 5)) {
1728                         data0 = ((2 * (c - 704)) - 3040) / 10;
1729                         data1 = 1;
1730                 } else if (!((c - 2192) % 5)) {
1731                         data0 = ((2 * (c - 672)) - 3040) / 10;
1732                         data1 = 0;
1733                 } else
1734                         return -EINVAL;
1735
1736                 data0 = ath5k_hw_bitswap((data0 << 2) & 0xff, 8);
1737         } else {
1738                 if (!(c % 20) && c >= 5120) {
1739                         data0 = ath5k_hw_bitswap(((c - 4800) / 20 << 2), 8);
1740                         data2 = ath5k_hw_bitswap(3, 2);
1741                 } else if (!(c % 10)) {
1742                         data0 = ath5k_hw_bitswap(((c - 4800) / 10 << 1), 8);
1743                         data2 = ath5k_hw_bitswap(2, 2);
1744                 } else if (!(c % 5)) {
1745                         data0 = ath5k_hw_bitswap((c - 4800) / 5, 8);
1746                         data2 = ath5k_hw_bitswap(1, 2);
1747                 } else
1748                         return -EINVAL;
1749         }
1750
1751         data = (data0 << 4) | (data1 << 1) | (data2 << 2) | 0x1001;
1752
1753         ath5k_hw_reg_write(ah, data & 0xff, AR5K_RF_BUFFER);
1754         ath5k_hw_reg_write(ah, (data >> 8) & 0x7f, AR5K_RF_BUFFER_CONTROL_5);
1755
1756         return 0;
1757 }
1758
1759 /*
1760  * Set a channel on the radio chip
1761  */
1762 int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel)
1763 {
1764         int ret;
1765         /*
1766          * Check bounds supported by the PHY (we don't care about regultory
1767          * restrictions at this point). Note: hw_value already has the band
1768          * (CHANNEL_2GHZ, or CHANNEL_5GHZ) so we inform ath5k_channel_ok()
1769          * of the band by that */
1770         if (!ath5k_channel_ok(ah, channel->center_freq, channel->hw_value)) {
1771                 ATH5K_ERR(ah->ah_sc,
1772                         "channel frequency (%u MHz) out of supported "
1773                         "band range\n",
1774                         channel->center_freq);
1775                         return -EINVAL;
1776         }
1777
1778         /*
1779          * Set the channel and wait
1780          */
1781         switch (ah->ah_radio) {
1782         case AR5K_RF5110:
1783                 ret = ath5k_hw_rf5110_channel(ah, channel);
1784                 break;
1785         case AR5K_RF5111:
1786                 ret = ath5k_hw_rf5111_channel(ah, channel);
1787                 break;
1788         default:
1789                 ret = ath5k_hw_rf5112_channel(ah, channel);
1790                 break;
1791         }
1792
1793         if (ret)
1794                 return ret;
1795
1796         ah->ah_current_channel.center_freq = channel->center_freq;
1797         ah->ah_current_channel.hw_value = channel->hw_value;
1798         ah->ah_turbo = channel->hw_value == CHANNEL_T ? true : false;
1799
1800         return 0;
1801 }
1802
1803 /*****************\
1804   PHY calibration
1805 \*****************/
1806
1807 /**
1808  * ath5k_hw_noise_floor_calibration - perform PHY noise floor calibration
1809  *
1810  * @ah: struct ath5k_hw pointer we are operating on
1811  * @freq: the channel frequency, just used for error logging
1812  *
1813  * This function performs a noise floor calibration of the PHY and waits for
1814  * it to complete. Then the noise floor value is compared to some maximum
1815  * noise floor we consider valid.
1816  *
1817  * Note that this is different from what the madwifi HAL does: it reads the
1818  * noise floor and afterwards initiates the calibration. Since the noise floor
1819  * calibration can take some time to finish, depending on the current channel
1820  * use, that avoids the occasional timeout warnings we are seeing now.
1821  *
1822  * See the following link for an Atheros patent on noise floor calibration:
1823  * http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL \
1824  * &p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7245893.PN.&OS=PN/7
1825  *
1826  */
1827 int
1828 ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq)
1829 {
1830         int ret;
1831         unsigned int i;
1832         s32 noise_floor;
1833
1834         /*
1835          * Enable noise floor calibration and wait until completion
1836          */
1837         AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
1838                                 AR5K_PHY_AGCCTL_NF);
1839
1840         ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
1841                         AR5K_PHY_AGCCTL_NF, 0, false);
1842         if (ret) {
1843                 ATH5K_ERR(ah->ah_sc,
1844                         "noise floor calibration timeout (%uMHz)\n", freq);
1845                 return ret;
1846         }
1847
1848         /* Wait until the noise floor is calibrated and read the value */
1849         for (i = 20; i > 0; i--) {
1850                 mdelay(1);
1851                 noise_floor = ath5k_hw_reg_read(ah, AR5K_PHY_NF);
1852                 noise_floor = AR5K_PHY_NF_RVAL(noise_floor);
1853                 if (noise_floor & AR5K_PHY_NF_ACTIVE) {
1854                         noise_floor = AR5K_PHY_NF_AVAL(noise_floor);
1855
1856                         if (noise_floor <= AR5K_TUNE_NOISE_FLOOR)
1857                                 break;
1858                 }
1859         }
1860
1861         ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
1862                 "noise floor %d\n", noise_floor);
1863
1864         if (noise_floor > AR5K_TUNE_NOISE_FLOOR) {
1865                 ATH5K_ERR(ah->ah_sc,
1866                         "noise floor calibration failed (%uMHz)\n", freq);
1867                 return -EIO;
1868         }
1869
1870         ah->ah_noise_floor = noise_floor;
1871
1872         return 0;
1873 }
1874
1875 /*
1876  * Perform a PHY calibration on RF5110
1877  * -Fix BPSK/QAM Constellation (I/Q correction)
1878  * -Calculate Noise Floor
1879  */
1880 static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
1881                 struct ieee80211_channel *channel)
1882 {
1883         u32 phy_sig, phy_agc, phy_sat, beacon;
1884         int ret;
1885
1886         /*
1887          * Disable beacons and RX/TX queues, wait
1888          */
1889         AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW_5210,
1890                 AR5K_DIAG_SW_DIS_TX | AR5K_DIAG_SW_DIS_RX_5210);
1891         beacon = ath5k_hw_reg_read(ah, AR5K_BEACON_5210);
1892         ath5k_hw_reg_write(ah, beacon & ~AR5K_BEACON_ENABLE, AR5K_BEACON_5210);
1893
1894         udelay(2300);
1895
1896         /*
1897          * Set the channel (with AGC turned off)
1898          */
1899         AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1900         udelay(10);
1901         ret = ath5k_hw_channel(ah, channel);
1902
1903         /*
1904          * Activate PHY and wait
1905          */
1906         ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);
1907         mdelay(1);
1908
1909         AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1910
1911         if (ret)
1912                 return ret;
1913
1914         /*
1915          * Calibrate the radio chip
1916          */
1917
1918         /* Remember normal state */
1919         phy_sig = ath5k_hw_reg_read(ah, AR5K_PHY_SIG);
1920         phy_agc = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCOARSE);
1921         phy_sat = ath5k_hw_reg_read(ah, AR5K_PHY_ADCSAT);
1922
1923         /* Update radio registers */
1924         ath5k_hw_reg_write(ah, (phy_sig & ~(AR5K_PHY_SIG_FIRPWR)) |
1925                 AR5K_REG_SM(-1, AR5K_PHY_SIG_FIRPWR), AR5K_PHY_SIG);
1926
1927         ath5k_hw_reg_write(ah, (phy_agc & ~(AR5K_PHY_AGCCOARSE_HI |
1928                         AR5K_PHY_AGCCOARSE_LO)) |
1929                 AR5K_REG_SM(-1, AR5K_PHY_AGCCOARSE_HI) |
1930                 AR5K_REG_SM(-127, AR5K_PHY_AGCCOARSE_LO), AR5K_PHY_AGCCOARSE);
1931
1932         ath5k_hw_reg_write(ah, (phy_sat & ~(AR5K_PHY_ADCSAT_ICNT |
1933                         AR5K_PHY_ADCSAT_THR)) |
1934                 AR5K_REG_SM(2, AR5K_PHY_ADCSAT_ICNT) |
1935                 AR5K_REG_SM(12, AR5K_PHY_ADCSAT_THR), AR5K_PHY_ADCSAT);
1936
1937         udelay(20);
1938
1939         AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1940         udelay(10);
1941         ath5k_hw_reg_write(ah, AR5K_PHY_RFSTG_DISABLE, AR5K_PHY_RFSTG);
1942         AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_AGC, AR5K_PHY_AGC_DISABLE);
1943
1944         mdelay(1);
1945
1946         /*
1947          * Enable calibration and wait until completion
1948          */
1949         AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL, AR5K_PHY_AGCCTL_CAL);
1950
1951         ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
1952                         AR5K_PHY_AGCCTL_CAL, 0, false);
1953
1954         /* Reset to normal state */
1955         ath5k_hw_reg_write(ah, phy_sig, AR5K_PHY_SIG);
1956         ath5k_hw_reg_write(ah, phy_agc, AR5K_PHY_AGCCOARSE);
1957         ath5k_hw_reg_write(ah, phy_sat, AR5K_PHY_ADCSAT);
1958
1959         if (ret) {
1960                 ATH5K_ERR(ah->ah_sc, "calibration timeout (%uMHz)\n",
1961                                 channel->center_freq);
1962                 return ret;
1963         }
1964
1965         ret = ath5k_hw_noise_floor_calibration(ah, channel->center_freq);
1966         if (ret)
1967                 return ret;
1968
1969         /*
1970          * Re-enable RX/TX and beacons
1971          */
1972         AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW_5210,
1973                 AR5K_DIAG_SW_DIS_TX | AR5K_DIAG_SW_DIS_RX_5210);
1974         ath5k_hw_reg_write(ah, beacon, AR5K_BEACON_5210);
1975
1976         return 0;
1977 }
1978
1979 /*
1980  * Perform a PHY calibration on RF5111/5112
1981  */
1982 static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
1983                 struct ieee80211_channel *channel)
1984 {
1985         u32 i_pwr, q_pwr;
1986         s32 iq_corr, i_coff, i_coffd, q_coff, q_coffd;
1987         ATH5K_TRACE(ah->ah_sc);
1988
1989         if (ah->ah_calibration == false ||
1990                         ath5k_hw_reg_read(ah, AR5K_PHY_IQ) & AR5K_PHY_IQ_RUN)
1991                 goto done;
1992
1993         ah->ah_calibration = false;
1994
1995         iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR);
1996         i_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_I);
1997         q_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_Q);
1998         i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7;
1999         q_coffd = q_pwr >> 6;
2000
2001         if (i_coffd == 0 || q_coffd == 0)
2002                 goto done;
2003
2004         i_coff = ((-iq_corr) / i_coffd) & 0x3f;
2005         q_coff = (((s32)i_pwr / q_coffd) - 64) & 0x1f;
2006
2007         /* Commit new IQ value */
2008         AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE |
2009                 ((u32)q_coff) | ((u32)i_coff << AR5K_PHY_IQ_CORR_Q_I_COFF_S));
2010
2011 done:
2012         ath5k_hw_noise_floor_calibration(ah, channel->center_freq);
2013
2014         /* Request RF gain */
2015         if (channel->hw_value & CHANNEL_5GHZ) {
2016                 ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txpower.txp_max,
2017                         AR5K_PHY_PAPD_PROBE_TXPOWER) |
2018                         AR5K_PHY_PAPD_PROBE_TX_NEXT, AR5K_PHY_PAPD_PROBE);
2019                 ah->ah_rf_gain = AR5K_RFGAIN_READ_REQUESTED;
2020         }
2021
2022         return 0;
2023 }
2024
2025 /*
2026  * Perform a PHY calibration
2027  */
2028 int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
2029                 struct ieee80211_channel *channel)
2030 {
2031         int ret;
2032
2033         if (ah->ah_radio == AR5K_RF5110)
2034                 ret = ath5k_hw_rf5110_calibrate(ah, channel);
2035         else
2036                 ret = ath5k_hw_rf511x_calibrate(ah, channel);
2037
2038         return ret;
2039 }
2040
2041 int ath5k_hw_phy_disable(struct ath5k_hw *ah)
2042 {
2043         ATH5K_TRACE(ah->ah_sc);
2044         /*Just a try M.F.*/
2045         ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
2046
2047         return 0;
2048 }
2049
2050 /********************\
2051   Misc PHY functions
2052 \********************/
2053
2054 /*
2055  * Get the PHY Chip revision
2056  */
2057 u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
2058 {
2059         unsigned int i;
2060         u32 srev;
2061         u16 ret;
2062
2063         ATH5K_TRACE(ah->ah_sc);
2064
2065         /*
2066          * Set the radio chip access register
2067          */
2068         switch (chan) {
2069         case CHANNEL_2GHZ:
2070                 ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_2GHZ, AR5K_PHY(0));
2071                 break;
2072         case CHANNEL_5GHZ:
2073                 ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
2074                 break;
2075         default:
2076                 return 0;
2077         }
2078
2079         mdelay(2);
2080
2081         /* ...wait until PHY is ready and read the selected radio revision */
2082         ath5k_hw_reg_write(ah, 0x00001c16, AR5K_PHY(0x34));
2083
2084         for (i = 0; i < 8; i++)
2085                 ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
2086
2087         if (ah->ah_version == AR5K_AR5210) {
2088                 srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
2089                 ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
2090         } else {
2091                 srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
2092                 ret = (u16)ath5k_hw_bitswap(((srev & 0xf0) >> 4) |
2093                                 ((srev & 0x0f) << 4), 8);
2094         }
2095
2096         /* Reset to the 5GHz mode */
2097         ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
2098
2099         return ret;
2100 }
2101
2102 void /*TODO:Boundary check*/
2103 ath5k_hw_set_def_antenna(struct ath5k_hw *ah, unsigned int ant)
2104 {
2105         ATH5K_TRACE(ah->ah_sc);
2106         /*Just a try M.F.*/
2107         if (ah->ah_version != AR5K_AR5210)
2108                 ath5k_hw_reg_write(ah, ant, AR5K_DEFAULT_ANTENNA);
2109 }
2110
2111 unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah)
2112 {
2113         ATH5K_TRACE(ah->ah_sc);
2114         /*Just a try M.F.*/
2115         if (ah->ah_version != AR5K_AR5210)
2116                 return ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
2117
2118         return false; /*XXX: What do we return for 5210 ?*/
2119 }
2120
2121 /*
2122  * TX power setup
2123  */
2124
2125 /*
2126  * Initialize the tx power table (not fully implemented)
2127  */
2128 static void ath5k_txpower_table(struct ath5k_hw *ah,
2129                 struct ieee80211_channel *channel, s16 max_power)
2130 {
2131         unsigned int i, min, max, n;
2132         u16 txpower, *rates;
2133
2134         rates = ah->ah_txpower.txp_rates;
2135
2136         txpower = AR5K_TUNE_DEFAULT_TXPOWER * 2;
2137         if (max_power > txpower)
2138                 txpower = max_power > AR5K_TUNE_MAX_TXPOWER ?
2139                     AR5K_TUNE_MAX_TXPOWER : max_power;
2140
2141         for (i = 0; i < AR5K_MAX_RATES; i++)
2142                 rates[i] = txpower;
2143
2144         /* XXX setup target powers by rate */
2145
2146         ah->ah_txpower.txp_min = rates[7];
2147         ah->ah_txpower.txp_max = rates[0];
2148         ah->ah_txpower.txp_ofdm = rates[0];
2149
2150         /* Calculate the power table */
2151         n = ARRAY_SIZE(ah->ah_txpower.txp_pcdac);
2152         min = AR5K_EEPROM_PCDAC_START;
2153         max = AR5K_EEPROM_PCDAC_STOP;
2154         for (i = 0; i < n; i += AR5K_EEPROM_PCDAC_STEP)
2155                 ah->ah_txpower.txp_pcdac[i] =
2156 #ifdef notyet
2157                 min + ((i * (max - min)) / n);
2158 #else
2159                 min;
2160 #endif
2161 }
2162
2163 /*
2164  * Set transmition power
2165  */
2166 int /*O.K. - txpower_table is unimplemented so this doesn't work*/
2167 ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
2168                 unsigned int txpower)
2169 {
2170         bool tpc = ah->ah_txpower.txp_tpc;
2171         unsigned int i;
2172
2173         ATH5K_TRACE(ah->ah_sc);
2174         if (txpower > AR5K_TUNE_MAX_TXPOWER) {
2175                 ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
2176                 return -EINVAL;
2177         }
2178
2179         /*
2180          * RF2413 for some reason can't
2181          * transmit anything if we call
2182          * this funtion, so we skip it
2183          * until we fix txpower.
2184          */
2185         if (ah->ah_radio == AR5K_RF2413)
2186                 return 0;
2187
2188         /* Reset TX power values */
2189         memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
2190         ah->ah_txpower.txp_tpc = tpc;
2191
2192         /* Initialize TX power table */
2193         ath5k_txpower_table(ah, channel, txpower);
2194
2195         /*
2196          * Write TX power values
2197          */
2198         for (i = 0; i < (AR5K_EEPROM_POWER_TABLE_SIZE / 2); i++) {
2199                 ath5k_hw_reg_write(ah,
2200                         ((((ah->ah_txpower.txp_pcdac[(i << 1) + 1] << 8) | 0xff) & 0xffff) << 16) |
2201                         (((ah->ah_txpower.txp_pcdac[(i << 1)    ] << 8) | 0xff) & 0xffff),
2202                         AR5K_PHY_PCDAC_TXPOWER(i));
2203         }
2204
2205         ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) |
2206                 AR5K_TXPOWER_OFDM(2, 16) | AR5K_TXPOWER_OFDM(1, 8) |
2207                 AR5K_TXPOWER_OFDM(0, 0), AR5K_PHY_TXPOWER_RATE1);
2208
2209         ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(7, 24) |
2210                 AR5K_TXPOWER_OFDM(6, 16) | AR5K_TXPOWER_OFDM(5, 8) |
2211                 AR5K_TXPOWER_OFDM(4, 0), AR5K_PHY_TXPOWER_RATE2);
2212
2213         ath5k_hw_reg_write(ah, AR5K_TXPOWER_CCK(10, 24) |
2214                 AR5K_TXPOWER_CCK(9, 16) | AR5K_TXPOWER_CCK(15, 8) |
2215                 AR5K_TXPOWER_CCK(8, 0), AR5K_PHY_TXPOWER_RATE3);
2216
2217         ath5k_hw_reg_write(ah, AR5K_TXPOWER_CCK(14, 24) |
2218                 AR5K_TXPOWER_CCK(13, 16) | AR5K_TXPOWER_CCK(12, 8) |
2219                 AR5K_TXPOWER_CCK(11, 0), AR5K_PHY_TXPOWER_RATE4);
2220
2221         if (ah->ah_txpower.txp_tpc == true)
2222                 ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX_TPC_ENABLE |
2223                         AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
2224         else
2225                 ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX |
2226                         AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
2227
2228         return 0;
2229 }
2230
2231 int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power)
2232 {
2233         /*Just a try M.F.*/
2234         struct ieee80211_channel *channel = &ah->ah_current_channel;
2235
2236         ATH5K_TRACE(ah->ah_sc);
2237         ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_TXPOWER,
2238                 "changing txpower to %d\n", power);
2239
2240         return ath5k_hw_txpower(ah, channel, power);
2241 }