cachepc-linux

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

ilt.c (10029B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3
      4  Broadcom B43legacy wireless driver
      5
      6  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
      7		     Stefano Brivio <stefano.brivio@polimi.it>
      8		     Michael Buesch <m@bues.ch>
      9		     Danny van Dyk <kugelfang@gentoo.org>
     10		     Andreas Jaggi <andreas.jaggi@waterwave.ch>
     11
     12
     13*/
     14
     15#include "b43legacy.h"
     16#include "ilt.h"
     17#include "phy.h"
     18
     19
     20/**** Initial Internal Lookup Tables ****/
     21
     22const u32 b43legacy_ilt_rotor[B43legacy_ILT_ROTOR_SIZE] = {
     23	0xFEB93FFD, 0xFEC63FFD, /* 0 */
     24	0xFED23FFD, 0xFEDF3FFD,
     25	0xFEEC3FFE, 0xFEF83FFE,
     26	0xFF053FFE, 0xFF113FFE,
     27	0xFF1E3FFE, 0xFF2A3FFF, /* 8 */
     28	0xFF373FFF, 0xFF443FFF,
     29	0xFF503FFF, 0xFF5D3FFF,
     30	0xFF693FFF, 0xFF763FFF,
     31	0xFF824000, 0xFF8F4000, /* 16 */
     32	0xFF9B4000, 0xFFA84000,
     33	0xFFB54000, 0xFFC14000,
     34	0xFFCE4000, 0xFFDA4000,
     35	0xFFE74000, 0xFFF34000, /* 24 */
     36	0x00004000, 0x000D4000,
     37	0x00194000, 0x00264000,
     38	0x00324000, 0x003F4000,
     39	0x004B4000, 0x00584000, /* 32 */
     40	0x00654000, 0x00714000,
     41	0x007E4000, 0x008A3FFF,
     42	0x00973FFF, 0x00A33FFF,
     43	0x00B03FFF, 0x00BC3FFF, /* 40 */
     44	0x00C93FFF, 0x00D63FFF,
     45	0x00E23FFE, 0x00EF3FFE,
     46	0x00FB3FFE, 0x01083FFE,
     47	0x01143FFE, 0x01213FFD, /* 48 */
     48	0x012E3FFD, 0x013A3FFD,
     49	0x01473FFD,
     50};
     51
     52const u32 b43legacy_ilt_retard[B43legacy_ILT_RETARD_SIZE] = {
     53	0xDB93CB87, 0xD666CF64, /* 0 */
     54	0xD1FDD358, 0xCDA6D826,
     55	0xCA38DD9F, 0xC729E2B4,
     56	0xC469E88E, 0xC26AEE2B,
     57	0xC0DEF46C, 0xC073FA62, /* 8 */
     58	0xC01D00D5, 0xC0760743,
     59	0xC1560D1E, 0xC2E51369,
     60	0xC4ED18FF, 0xC7AC1ED7,
     61	0xCB2823B2, 0xCEFA28D9, /* 16 */
     62	0xD2F62D3F, 0xD7BB3197,
     63	0xDCE53568, 0xE1FE3875,
     64	0xE7D13B35, 0xED663D35,
     65	0xF39B3EC4, 0xF98E3FA7, /* 24 */
     66	0x00004000, 0x06723FA7,
     67	0x0C653EC4, 0x129A3D35,
     68	0x182F3B35, 0x1E023875,
     69	0x231B3568, 0x28453197, /* 32 */
     70	0x2D0A2D3F, 0x310628D9,
     71	0x34D823B2, 0x38541ED7,
     72	0x3B1318FF, 0x3D1B1369,
     73	0x3EAA0D1E, 0x3F8A0743, /* 40 */
     74	0x3FE300D5, 0x3F8DFA62,
     75	0x3F22F46C, 0x3D96EE2B,
     76	0x3B97E88E, 0x38D7E2B4,
     77	0x35C8DD9F, 0x325AD826, /* 48 */
     78	0x2E03D358, 0x299ACF64,
     79	0x246DCB87,
     80};
     81
     82const u16 b43legacy_ilt_finefreqa[B43legacy_ILT_FINEFREQA_SIZE] = {
     83	0x0082, 0x0082, 0x0102, 0x0182, /* 0 */
     84	0x0202, 0x0282, 0x0302, 0x0382,
     85	0x0402, 0x0482, 0x0502, 0x0582,
     86	0x05E2, 0x0662, 0x06E2, 0x0762,
     87	0x07E2, 0x0842, 0x08C2, 0x0942, /* 16 */
     88	0x09C2, 0x0A22, 0x0AA2, 0x0B02,
     89	0x0B82, 0x0BE2, 0x0C62, 0x0CC2,
     90	0x0D42, 0x0DA2, 0x0E02, 0x0E62,
     91	0x0EE2, 0x0F42, 0x0FA2, 0x1002, /* 32 */
     92	0x1062, 0x10C2, 0x1122, 0x1182,
     93	0x11E2, 0x1242, 0x12A2, 0x12E2,
     94	0x1342, 0x13A2, 0x1402, 0x1442,
     95	0x14A2, 0x14E2, 0x1542, 0x1582, /* 48 */
     96	0x15E2, 0x1622, 0x1662, 0x16C1,
     97	0x1701, 0x1741, 0x1781, 0x17E1,
     98	0x1821, 0x1861, 0x18A1, 0x18E1,
     99	0x1921, 0x1961, 0x19A1, 0x19E1, /* 64 */
    100	0x1A21, 0x1A61, 0x1AA1, 0x1AC1,
    101	0x1B01, 0x1B41, 0x1B81, 0x1BA1,
    102	0x1BE1, 0x1C21, 0x1C41, 0x1C81,
    103	0x1CA1, 0x1CE1, 0x1D01, 0x1D41, /* 80 */
    104	0x1D61, 0x1DA1, 0x1DC1, 0x1E01,
    105	0x1E21, 0x1E61, 0x1E81, 0x1EA1,
    106	0x1EE1, 0x1F01, 0x1F21, 0x1F41,
    107	0x1F81, 0x1FA1, 0x1FC1, 0x1FE1, /* 96 */
    108	0x2001, 0x2041, 0x2061, 0x2081,
    109	0x20A1, 0x20C1, 0x20E1, 0x2101,
    110	0x2121, 0x2141, 0x2161, 0x2181,
    111	0x21A1, 0x21C1, 0x21E1, 0x2201, /* 112 */
    112	0x2221, 0x2241, 0x2261, 0x2281,
    113	0x22A1, 0x22C1, 0x22C1, 0x22E1,
    114	0x2301, 0x2321, 0x2341, 0x2361,
    115	0x2361, 0x2381, 0x23A1, 0x23C1, /* 128 */
    116	0x23E1, 0x23E1, 0x2401, 0x2421,
    117	0x2441, 0x2441, 0x2461, 0x2481,
    118	0x2481, 0x24A1, 0x24C1, 0x24C1,
    119	0x24E1, 0x2501, 0x2501, 0x2521, /* 144 */
    120	0x2541, 0x2541, 0x2561, 0x2561,
    121	0x2581, 0x25A1, 0x25A1, 0x25C1,
    122	0x25C1, 0x25E1, 0x2601, 0x2601,
    123	0x2621, 0x2621, 0x2641, 0x2641, /* 160 */
    124	0x2661, 0x2661, 0x2681, 0x2681,
    125	0x26A1, 0x26A1, 0x26C1, 0x26C1,
    126	0x26E1, 0x26E1, 0x2701, 0x2701,
    127	0x2721, 0x2721, 0x2740, 0x2740, /* 176 */
    128	0x2760, 0x2760, 0x2780, 0x2780,
    129	0x2780, 0x27A0, 0x27A0, 0x27C0,
    130	0x27C0, 0x27E0, 0x27E0, 0x27E0,
    131	0x2800, 0x2800, 0x2820, 0x2820, /* 192 */
    132	0x2820, 0x2840, 0x2840, 0x2840,
    133	0x2860, 0x2860, 0x2880, 0x2880,
    134	0x2880, 0x28A0, 0x28A0, 0x28A0,
    135	0x28C0, 0x28C0, 0x28C0, 0x28E0, /* 208 */
    136	0x28E0, 0x28E0, 0x2900, 0x2900,
    137	0x2900, 0x2920, 0x2920, 0x2920,
    138	0x2940, 0x2940, 0x2940, 0x2960,
    139	0x2960, 0x2960, 0x2960, 0x2980, /* 224 */
    140	0x2980, 0x2980, 0x29A0, 0x29A0,
    141	0x29A0, 0x29A0, 0x29C0, 0x29C0,
    142	0x29C0, 0x29E0, 0x29E0, 0x29E0,
    143	0x29E0, 0x2A00, 0x2A00, 0x2A00, /* 240 */
    144	0x2A00, 0x2A20, 0x2A20, 0x2A20,
    145	0x2A20, 0x2A40, 0x2A40, 0x2A40,
    146	0x2A40, 0x2A60, 0x2A60, 0x2A60,
    147};
    148
    149const u16 b43legacy_ilt_finefreqg[B43legacy_ILT_FINEFREQG_SIZE] = {
    150	0x0089, 0x02E9, 0x0409, 0x04E9, /* 0 */
    151	0x05A9, 0x0669, 0x0709, 0x0789,
    152	0x0829, 0x08A9, 0x0929, 0x0989,
    153	0x0A09, 0x0A69, 0x0AC9, 0x0B29,
    154	0x0BA9, 0x0BE9, 0x0C49, 0x0CA9, /* 16 */
    155	0x0D09, 0x0D69, 0x0DA9, 0x0E09,
    156	0x0E69, 0x0EA9, 0x0F09, 0x0F49,
    157	0x0FA9, 0x0FE9, 0x1029, 0x1089,
    158	0x10C9, 0x1109, 0x1169, 0x11A9, /* 32 */
    159	0x11E9, 0x1229, 0x1289, 0x12C9,
    160	0x1309, 0x1349, 0x1389, 0x13C9,
    161	0x1409, 0x1449, 0x14A9, 0x14E9,
    162	0x1529, 0x1569, 0x15A9, 0x15E9, /* 48 */
    163	0x1629, 0x1669, 0x16A9, 0x16E8,
    164	0x1728, 0x1768, 0x17A8, 0x17E8,
    165	0x1828, 0x1868, 0x18A8, 0x18E8,
    166	0x1928, 0x1968, 0x19A8, 0x19E8, /* 64 */
    167	0x1A28, 0x1A68, 0x1AA8, 0x1AE8,
    168	0x1B28, 0x1B68, 0x1BA8, 0x1BE8,
    169	0x1C28, 0x1C68, 0x1CA8, 0x1CE8,
    170	0x1D28, 0x1D68, 0x1DC8, 0x1E08, /* 80 */
    171	0x1E48, 0x1E88, 0x1EC8, 0x1F08,
    172	0x1F48, 0x1F88, 0x1FE8, 0x2028,
    173	0x2068, 0x20A8, 0x2108, 0x2148,
    174	0x2188, 0x21C8, 0x2228, 0x2268, /* 96 */
    175	0x22C8, 0x2308, 0x2348, 0x23A8,
    176	0x23E8, 0x2448, 0x24A8, 0x24E8,
    177	0x2548, 0x25A8, 0x2608, 0x2668,
    178	0x26C8, 0x2728, 0x2787, 0x27E7, /* 112 */
    179	0x2847, 0x28C7, 0x2947, 0x29A7,
    180	0x2A27, 0x2AC7, 0x2B47, 0x2BE7,
    181	0x2CA7, 0x2D67, 0x2E47, 0x2F67,
    182	0x3247, 0x3526, 0x3646, 0x3726, /* 128 */
    183	0x3806, 0x38A6, 0x3946, 0x39E6,
    184	0x3A66, 0x3AE6, 0x3B66, 0x3BC6,
    185	0x3C45, 0x3CA5, 0x3D05, 0x3D85,
    186	0x3DE5, 0x3E45, 0x3EA5, 0x3EE5, /* 144 */
    187	0x3F45, 0x3FA5, 0x4005, 0x4045,
    188	0x40A5, 0x40E5, 0x4145, 0x4185,
    189	0x41E5, 0x4225, 0x4265, 0x42C5,
    190	0x4305, 0x4345, 0x43A5, 0x43E5, /* 160 */
    191	0x4424, 0x4464, 0x44C4, 0x4504,
    192	0x4544, 0x4584, 0x45C4, 0x4604,
    193	0x4644, 0x46A4, 0x46E4, 0x4724,
    194	0x4764, 0x47A4, 0x47E4, 0x4824, /* 176 */
    195	0x4864, 0x48A4, 0x48E4, 0x4924,
    196	0x4964, 0x49A4, 0x49E4, 0x4A24,
    197	0x4A64, 0x4AA4, 0x4AE4, 0x4B23,
    198	0x4B63, 0x4BA3, 0x4BE3, 0x4C23, /* 192 */
    199	0x4C63, 0x4CA3, 0x4CE3, 0x4D23,
    200	0x4D63, 0x4DA3, 0x4DE3, 0x4E23,
    201	0x4E63, 0x4EA3, 0x4EE3, 0x4F23,
    202	0x4F63, 0x4FC3, 0x5003, 0x5043, /* 208 */
    203	0x5083, 0x50C3, 0x5103, 0x5143,
    204	0x5183, 0x51E2, 0x5222, 0x5262,
    205	0x52A2, 0x52E2, 0x5342, 0x5382,
    206	0x53C2, 0x5402, 0x5462, 0x54A2, /* 224 */
    207	0x5502, 0x5542, 0x55A2, 0x55E2,
    208	0x5642, 0x5682, 0x56E2, 0x5722,
    209	0x5782, 0x57E1, 0x5841, 0x58A1,
    210	0x5901, 0x5961, 0x59C1, 0x5A21, /* 240 */
    211	0x5AA1, 0x5B01, 0x5B81, 0x5BE1,
    212	0x5C61, 0x5D01, 0x5D80, 0x5E20,
    213	0x5EE0, 0x5FA0, 0x6080, 0x61C0,
    214};
    215
    216const u16 b43legacy_ilt_noisea2[B43legacy_ILT_NOISEA2_SIZE] = {
    217	0x0001, 0x0001, 0x0001, 0xFFFE,
    218	0xFFFE, 0x3FFF, 0x1000, 0x0393,
    219};
    220
    221const u16 b43legacy_ilt_noisea3[B43legacy_ILT_NOISEA3_SIZE] = {
    222	0x4C4C, 0x4C4C, 0x4C4C, 0x2D36,
    223	0x4C4C, 0x4C4C, 0x4C4C, 0x2D36,
    224};
    225
    226const u16 b43legacy_ilt_noiseg1[B43legacy_ILT_NOISEG1_SIZE] = {
    227	0x013C, 0x01F5, 0x031A, 0x0631,
    228	0x0001, 0x0001, 0x0001, 0x0001,
    229};
    230
    231const u16 b43legacy_ilt_noiseg2[B43legacy_ILT_NOISEG2_SIZE] = {
    232	0x5484, 0x3C40, 0x0000, 0x0000,
    233	0x0000, 0x0000, 0x0000, 0x0000,
    234};
    235
    236const u16 b43legacy_ilt_noisescaleg1[B43legacy_ILT_NOISESCALEG_SIZE] = {
    237	0x6C77, 0x5162, 0x3B40, 0x3335, /* 0 */
    238	0x2F2D, 0x2A2A, 0x2527, 0x1F21,
    239	0x1A1D, 0x1719, 0x1616, 0x1414,
    240	0x1414, 0x1400, 0x1414, 0x1614,
    241	0x1716, 0x1A19, 0x1F1D, 0x2521, /* 16 */
    242	0x2A27, 0x2F2A, 0x332D, 0x3B35,
    243	0x5140, 0x6C62, 0x0077,
    244};
    245
    246const u16 b43legacy_ilt_noisescaleg2[B43legacy_ILT_NOISESCALEG_SIZE] = {
    247	0xD8DD, 0xCBD4, 0xBCC0, 0XB6B7, /* 0 */
    248	0xB2B0, 0xADAD, 0xA7A9, 0x9FA1,
    249	0x969B, 0x9195, 0x8F8F, 0x8A8A,
    250	0x8A8A, 0x8A00, 0x8A8A, 0x8F8A,
    251	0x918F, 0x9695, 0x9F9B, 0xA7A1, /* 16 */
    252	0xADA9, 0xB2AD, 0xB6B0, 0xBCB7,
    253	0xCBC0, 0xD8D4, 0x00DD,
    254};
    255
    256const u16 b43legacy_ilt_noisescaleg3[B43legacy_ILT_NOISESCALEG_SIZE] = {
    257	0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 0 */
    258	0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4,
    259	0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4,
    260	0xA4A4, 0xA400, 0xA4A4, 0xA4A4,
    261	0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 16 */
    262	0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4,
    263	0xA4A4, 0xA4A4, 0x00A4,
    264};
    265
    266const u16 b43legacy_ilt_sigmasqr1[B43legacy_ILT_SIGMASQR_SIZE] = {
    267	0x007A, 0x0075, 0x0071, 0x006C, /* 0 */
    268	0x0067, 0x0063, 0x005E, 0x0059,
    269	0x0054, 0x0050, 0x004B, 0x0046,
    270	0x0042, 0x003D, 0x003D, 0x003D,
    271	0x003D, 0x003D, 0x003D, 0x003D, /* 16 */
    272	0x003D, 0x003D, 0x003D, 0x003D,
    273	0x003D, 0x003D, 0x0000, 0x003D,
    274	0x003D, 0x003D, 0x003D, 0x003D,
    275	0x003D, 0x003D, 0x003D, 0x003D, /* 32 */
    276	0x003D, 0x003D, 0x003D, 0x003D,
    277	0x0042, 0x0046, 0x004B, 0x0050,
    278	0x0054, 0x0059, 0x005E, 0x0063,
    279	0x0067, 0x006C, 0x0071, 0x0075, /* 48 */
    280	0x007A,
    281};
    282
    283const u16 b43legacy_ilt_sigmasqr2[B43legacy_ILT_SIGMASQR_SIZE] = {
    284	0x00DE, 0x00DC, 0x00DA, 0x00D8, /* 0 */
    285	0x00D6, 0x00D4, 0x00D2, 0x00CF,
    286	0x00CD, 0x00CA, 0x00C7, 0x00C4,
    287	0x00C1, 0x00BE, 0x00BE, 0x00BE,
    288	0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 16 */
    289	0x00BE, 0x00BE, 0x00BE, 0x00BE,
    290	0x00BE, 0x00BE, 0x0000, 0x00BE,
    291	0x00BE, 0x00BE, 0x00BE, 0x00BE,
    292	0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 32 */
    293	0x00BE, 0x00BE, 0x00BE, 0x00BE,
    294	0x00C1, 0x00C4, 0x00C7, 0x00CA,
    295	0x00CD, 0x00CF, 0x00D2, 0x00D4,
    296	0x00D6, 0x00D8, 0x00DA, 0x00DC, /* 48 */
    297	0x00DE,
    298};
    299
    300/**** Helper functions to access the device Internal Lookup Tables ****/
    301
    302void b43legacy_ilt_write(struct b43legacy_wldev *dev, u16 offset, u16 val)
    303{
    304	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset);
    305	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1, val);
    306}
    307
    308void b43legacy_ilt_write32(struct b43legacy_wldev *dev, u16 offset, u32 val)
    309{
    310	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset);
    311	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA2,
    312			    (val & 0xFFFF0000) >> 16);
    313	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_DATA1,
    314			    val & 0x0000FFFF);
    315}
    316
    317u16 b43legacy_ilt_read(struct b43legacy_wldev *dev, u16 offset)
    318{
    319	b43legacy_phy_write(dev, B43legacy_PHY_ILT_G_CTRL, offset);
    320	return b43legacy_phy_read(dev, B43legacy_PHY_ILT_G_DATA1);
    321}