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linux/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
Bitterblue Smith ae0a6df673 wifi: rtl8xxxu: Add LED control code for RTL8192EU 
By default the LED will blink when there is some activity.

This was tested with a cheap "HT-WR813" from Aliexpress.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/8f7fd5d7-5baa-b38b-ad2a-977dcd9edd81@gmail.com
2023-02-13 19:24:36 +02:00

1831 lines
56 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
/*
* RTL8XXXU mac80211 USB driver - 8192e specific subdriver
*
* Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
*
* Portions, notably calibration code:
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This driver was written as a replacement for the vendor provided
* rtl8723au driver. As the Realtek 8xxx chips are very similar in
* their programming interface, I have started adding support for
* additional 8xxx chips like the 8192cu, 8188cus, etc.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/usb.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/wireless.h>
#include <linux/firmware.h>
#include <linux/moduleparam.h>
#include <net/mac80211.h>
#include "rtl8xxxu.h"
#include "rtl8xxxu_regs.h"
static const struct rtl8xxxu_reg8val rtl8192e_mac_init_table[] = {
{0x011, 0xeb}, {0x012, 0x07}, {0x014, 0x75}, {0x303, 0xa7},
{0x428, 0x0a}, {0x429, 0x10}, {0x430, 0x00}, {0x431, 0x00},
{0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
{0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
{0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
{0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
{0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
{0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
{0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
{0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
{0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, {0x4cd, 0xff},
{0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, {0x502, 0x2f},
{0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, {0x506, 0x5e},
{0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, {0x50a, 0x5e},
{0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, {0x50e, 0x00},
{0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, {0x516, 0x0a},
{0x525, 0x4f}, {0x540, 0x12}, {0x541, 0x64}, {0x550, 0x10},
{0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, {0x55d, 0xff},
{0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, {0x620, 0xff},
{0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, {0x624, 0xff},
{0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, {0x638, 0x50},
{0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, {0x63f, 0x0e},
{0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xc8},
{0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65},
{0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70a, 0x65},
{0x70b, 0x87},
{0xffff, 0xff},
};
static const struct rtl8xxxu_reg32val rtl8192eu_phy_init_table[] = {
{0x800, 0x80040000}, {0x804, 0x00000003},
{0x808, 0x0000fc00}, {0x80c, 0x0000000a},
{0x810, 0x10001331}, {0x814, 0x020c3d10},
{0x818, 0x02220385}, {0x81c, 0x00000000},
{0x820, 0x01000100}, {0x824, 0x00390204},
{0x828, 0x01000100}, {0x82c, 0x00390204},
{0x830, 0x32323232}, {0x834, 0x30303030},
{0x838, 0x30303030}, {0x83c, 0x30303030},
{0x840, 0x00010000}, {0x844, 0x00010000},
{0x848, 0x28282828}, {0x84c, 0x28282828},
{0x850, 0x00000000}, {0x854, 0x00000000},
{0x858, 0x009a009a}, {0x85c, 0x01000014},
{0x860, 0x66f60000}, {0x864, 0x061f0000},
{0x868, 0x30303030}, {0x86c, 0x30303030},
{0x870, 0x00000000}, {0x874, 0x55004200},
{0x878, 0x08080808}, {0x87c, 0x00000000},
{0x880, 0xb0000c1c}, {0x884, 0x00000001},
{0x888, 0x00000000}, {0x88c, 0xcc0000c0},
{0x890, 0x00000800}, {0x894, 0xfffffffe},
{0x898, 0x40302010}, {0x900, 0x00000000},
{0x904, 0x00000023}, {0x908, 0x00000000},
{0x90c, 0x81121313}, {0x910, 0x806c0001},
{0x914, 0x00000001}, {0x918, 0x00000000},
{0x91c, 0x00010000}, {0x924, 0x00000001},
{0x928, 0x00000000}, {0x92c, 0x00000000},
{0x930, 0x00000000}, {0x934, 0x00000000},
{0x938, 0x00000000}, {0x93c, 0x00000000},
{0x940, 0x00000000}, {0x944, 0x00000000},
{0x94c, 0x00000008}, {0xa00, 0x00d0c7c8},
{0xa04, 0x81ff000c}, {0xa08, 0x8c838300},
{0xa0c, 0x2e68120f}, {0xa10, 0x95009b78},
{0xa14, 0x1114d028}, {0xa18, 0x00881117},
{0xa1c, 0x89140f00}, {0xa20, 0x1a1b0000},
{0xa24, 0x090e1317}, {0xa28, 0x00000204},
{0xa2c, 0x00d30000}, {0xa70, 0x101fff00},
{0xa74, 0x00000007}, {0xa78, 0x00000900},
{0xa7c, 0x225b0606}, {0xa80, 0x218075b1},
{0xb38, 0x00000000}, {0xc00, 0x48071d40},
{0xc04, 0x03a05633}, {0xc08, 0x000000e4},
{0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000},
{0xc14, 0x40000100}, {0xc18, 0x08800000},
{0xc1c, 0x40000100}, {0xc20, 0x00000000},
{0xc24, 0x00000000}, {0xc28, 0x00000000},
{0xc2c, 0x00000000}, {0xc30, 0x69e9ac47},
{0xc34, 0x469652af}, {0xc38, 0x49795994},
{0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f},
{0xc44, 0x000100b7}, {0xc48, 0xec020107},
{0xc4c, 0x007f037f},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0xc50, 0x00340220},
#else
{0xc50, 0x00340020},
#endif
{0xc54, 0x0080801f},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0xc58, 0x00000220},
#else
{0xc58, 0x00000020},
#endif
{0xc5c, 0x00248492}, {0xc60, 0x00000000},
{0xc64, 0x7112848b}, {0xc68, 0x47c00bff},
{0xc6c, 0x00000036}, {0xc70, 0x00000600},
{0xc74, 0x02013169}, {0xc78, 0x0000001f},
{0xc7c, 0x00b91612},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0xc80, 0x2d4000b5},
#else
{0xc80, 0x40000100},
#endif
{0xc84, 0x21f60000},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0xc88, 0x2d4000b5},
#else
{0xc88, 0x40000100},
#endif
{0xc8c, 0xa0e40000}, {0xc90, 0x00121820},
{0xc94, 0x00000000}, {0xc98, 0x00121820},
{0xc9c, 0x00007f7f}, {0xca0, 0x00000000},
{0xca4, 0x000300a0}, {0xca8, 0x00000000},
{0xcac, 0x00000000}, {0xcb0, 0x00000000},
{0xcb4, 0x00000000}, {0xcb8, 0x00000000},
{0xcbc, 0x28000000}, {0xcc0, 0x00000000},
{0xcc4, 0x00000000}, {0xcc8, 0x00000000},
{0xccc, 0x00000000}, {0xcd0, 0x00000000},
{0xcd4, 0x00000000}, {0xcd8, 0x64b22427},
{0xcdc, 0x00766932}, {0xce0, 0x00222222},
{0xce4, 0x00040000}, {0xce8, 0x77644302},
{0xcec, 0x2f97d40c}, {0xd00, 0x00080740},
{0xd04, 0x00020403}, {0xd08, 0x0000907f},
{0xd0c, 0x20010201}, {0xd10, 0xa0633333},
{0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b},
{0xd1c, 0x0000007f}, {0xd2c, 0xcc979975},
{0xd30, 0x00000000}, {0xd34, 0x80608000},
{0xd38, 0x00000000}, {0xd3c, 0x00127353},
{0xd40, 0x00000000}, {0xd44, 0x00000000},
{0xd48, 0x00000000}, {0xd4c, 0x00000000},
{0xd50, 0x6437140a}, {0xd54, 0x00000000},
{0xd58, 0x00000282}, {0xd5c, 0x30032064},
{0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
{0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
{0xd70, 0x1812362e}, {0xd74, 0x322c2220},
{0xd78, 0x000e3c24}, {0xd80, 0x01081008},
{0xd84, 0x00000800}, {0xd88, 0xf0b50000},
{0xe00, 0x30303030}, {0xe04, 0x30303030},
{0xe08, 0x03903030}, {0xe10, 0x30303030},
{0xe14, 0x30303030}, {0xe18, 0x30303030},
{0xe1c, 0x30303030}, {0xe28, 0x00000000},
{0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f},
{0xe38, 0x02140102}, {0xe3c, 0x681604c2},
{0xe40, 0x01007c00}, {0xe44, 0x01004800},
{0xe48, 0xfb000000}, {0xe4c, 0x000028d1},
{0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f},
{0xe58, 0x02140102}, {0xe5c, 0x28160d05},
{0xe60, 0x00000008}, {0xe68, 0x0fc05656},
{0xe6c, 0x03c09696}, {0xe70, 0x03c09696},
{0xe74, 0x0c005656}, {0xe78, 0x0c005656},
{0xe7c, 0x0c005656}, {0xe80, 0x0c005656},
{0xe84, 0x03c09696}, {0xe88, 0x0c005656},
{0xe8c, 0x03c09696}, {0xed0, 0x03c09696},
{0xed4, 0x03c09696}, {0xed8, 0x03c09696},
{0xedc, 0x0000d6d6}, {0xee0, 0x0000d6d6},
{0xeec, 0x0fc01616}, {0xee4, 0xb0000c1c},
{0xee8, 0x00000001}, {0xf14, 0x00000003},
{0xf4c, 0x00000000}, {0xf00, 0x00000300},
{0xffff, 0xffffffff},
};
static const struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_std_table[] = {
{0xc78, 0xfb000001}, {0xc78, 0xfb010001},
{0xc78, 0xfb020001}, {0xc78, 0xfb030001},
{0xc78, 0xfb040001}, {0xc78, 0xfb050001},
{0xc78, 0xfa060001}, {0xc78, 0xf9070001},
{0xc78, 0xf8080001}, {0xc78, 0xf7090001},
{0xc78, 0xf60a0001}, {0xc78, 0xf50b0001},
{0xc78, 0xf40c0001}, {0xc78, 0xf30d0001},
{0xc78, 0xf20e0001}, {0xc78, 0xf10f0001},
{0xc78, 0xf0100001}, {0xc78, 0xef110001},
{0xc78, 0xee120001}, {0xc78, 0xed130001},
{0xc78, 0xec140001}, {0xc78, 0xeb150001},
{0xc78, 0xea160001}, {0xc78, 0xe9170001},
{0xc78, 0xe8180001}, {0xc78, 0xe7190001},
{0xc78, 0xc81a0001}, {0xc78, 0xc71b0001},
{0xc78, 0xc61c0001}, {0xc78, 0x071d0001},
{0xc78, 0x061e0001}, {0xc78, 0x051f0001},
{0xc78, 0x04200001}, {0xc78, 0x03210001},
{0xc78, 0xaa220001}, {0xc78, 0xa9230001},
{0xc78, 0xa8240001}, {0xc78, 0xa7250001},
{0xc78, 0xa6260001}, {0xc78, 0x85270001},
{0xc78, 0x84280001}, {0xc78, 0x83290001},
{0xc78, 0x252a0001}, {0xc78, 0x242b0001},
{0xc78, 0x232c0001}, {0xc78, 0x222d0001},
{0xc78, 0x672e0001}, {0xc78, 0x662f0001},
{0xc78, 0x65300001}, {0xc78, 0x64310001},
{0xc78, 0x63320001}, {0xc78, 0x62330001},
{0xc78, 0x61340001}, {0xc78, 0x45350001},
{0xc78, 0x44360001}, {0xc78, 0x43370001},
{0xc78, 0x42380001}, {0xc78, 0x41390001},
{0xc78, 0x403a0001}, {0xc78, 0x403b0001},
{0xc78, 0x403c0001}, {0xc78, 0x403d0001},
{0xc78, 0x403e0001}, {0xc78, 0x403f0001},
{0xc78, 0xfb400001}, {0xc78, 0xfb410001},
{0xc78, 0xfb420001}, {0xc78, 0xfb430001},
{0xc78, 0xfb440001}, {0xc78, 0xfb450001},
{0xc78, 0xfa460001}, {0xc78, 0xf9470001},
{0xc78, 0xf8480001}, {0xc78, 0xf7490001},
{0xc78, 0xf64a0001}, {0xc78, 0xf54b0001},
{0xc78, 0xf44c0001}, {0xc78, 0xf34d0001},
{0xc78, 0xf24e0001}, {0xc78, 0xf14f0001},
{0xc78, 0xf0500001}, {0xc78, 0xef510001},
{0xc78, 0xee520001}, {0xc78, 0xed530001},
{0xc78, 0xec540001}, {0xc78, 0xeb550001},
{0xc78, 0xea560001}, {0xc78, 0xe9570001},
{0xc78, 0xe8580001}, {0xc78, 0xe7590001},
{0xc78, 0xe65a0001}, {0xc78, 0xe55b0001},
{0xc78, 0xe45c0001}, {0xc78, 0xe35d0001},
{0xc78, 0xe25e0001}, {0xc78, 0xe15f0001},
{0xc78, 0x8a600001}, {0xc78, 0x89610001},
{0xc78, 0x88620001}, {0xc78, 0x87630001},
{0xc78, 0x86640001}, {0xc78, 0x85650001},
{0xc78, 0x84660001}, {0xc78, 0x83670001},
{0xc78, 0x82680001}, {0xc78, 0x6b690001},
{0xc78, 0x6a6a0001}, {0xc78, 0x696b0001},
{0xc78, 0x686c0001}, {0xc78, 0x676d0001},
{0xc78, 0x666e0001}, {0xc78, 0x656f0001},
{0xc78, 0x64700001}, {0xc78, 0x63710001},
{0xc78, 0x62720001}, {0xc78, 0x61730001},
{0xc78, 0x49740001}, {0xc78, 0x48750001},
{0xc78, 0x47760001}, {0xc78, 0x46770001},
{0xc78, 0x45780001}, {0xc78, 0x44790001},
{0xc78, 0x437a0001}, {0xc78, 0x427b0001},
{0xc78, 0x417c0001}, {0xc78, 0x407d0001},
{0xc78, 0x407e0001}, {0xc78, 0x407f0001},
{0xc50, 0x00040022}, {0xc50, 0x00040020},
{0xffff, 0xffffffff}
};
static const struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_highpa_table[] = {
{0xc78, 0xfa000001}, {0xc78, 0xf9010001},
{0xc78, 0xf8020001}, {0xc78, 0xf7030001},
{0xc78, 0xf6040001}, {0xc78, 0xf5050001},
{0xc78, 0xf4060001}, {0xc78, 0xf3070001},
{0xc78, 0xf2080001}, {0xc78, 0xf1090001},
{0xc78, 0xf00a0001}, {0xc78, 0xef0b0001},
{0xc78, 0xee0c0001}, {0xc78, 0xed0d0001},
{0xc78, 0xec0e0001}, {0xc78, 0xeb0f0001},
{0xc78, 0xea100001}, {0xc78, 0xe9110001},
{0xc78, 0xe8120001}, {0xc78, 0xe7130001},
{0xc78, 0xe6140001}, {0xc78, 0xe5150001},
{0xc78, 0xe4160001}, {0xc78, 0xe3170001},
{0xc78, 0xe2180001}, {0xc78, 0xe1190001},
{0xc78, 0x8a1a0001}, {0xc78, 0x891b0001},
{0xc78, 0x881c0001}, {0xc78, 0x871d0001},
{0xc78, 0x861e0001}, {0xc78, 0x851f0001},
{0xc78, 0x84200001}, {0xc78, 0x83210001},
{0xc78, 0x82220001}, {0xc78, 0x6a230001},
{0xc78, 0x69240001}, {0xc78, 0x68250001},
{0xc78, 0x67260001}, {0xc78, 0x66270001},
{0xc78, 0x65280001}, {0xc78, 0x64290001},
{0xc78, 0x632a0001}, {0xc78, 0x622b0001},
{0xc78, 0x612c0001}, {0xc78, 0x602d0001},
{0xc78, 0x472e0001}, {0xc78, 0x462f0001},
{0xc78, 0x45300001}, {0xc78, 0x44310001},
{0xc78, 0x43320001}, {0xc78, 0x42330001},
{0xc78, 0x41340001}, {0xc78, 0x40350001},
{0xc78, 0x40360001}, {0xc78, 0x40370001},
{0xc78, 0x40380001}, {0xc78, 0x40390001},
{0xc78, 0x403a0001}, {0xc78, 0x403b0001},
{0xc78, 0x403c0001}, {0xc78, 0x403d0001},
{0xc78, 0x403e0001}, {0xc78, 0x403f0001},
{0xc78, 0xfa400001}, {0xc78, 0xf9410001},
{0xc78, 0xf8420001}, {0xc78, 0xf7430001},
{0xc78, 0xf6440001}, {0xc78, 0xf5450001},
{0xc78, 0xf4460001}, {0xc78, 0xf3470001},
{0xc78, 0xf2480001}, {0xc78, 0xf1490001},
{0xc78, 0xf04a0001}, {0xc78, 0xef4b0001},
{0xc78, 0xee4c0001}, {0xc78, 0xed4d0001},
{0xc78, 0xec4e0001}, {0xc78, 0xeb4f0001},
{0xc78, 0xea500001}, {0xc78, 0xe9510001},
{0xc78, 0xe8520001}, {0xc78, 0xe7530001},
{0xc78, 0xe6540001}, {0xc78, 0xe5550001},
{0xc78, 0xe4560001}, {0xc78, 0xe3570001},
{0xc78, 0xe2580001}, {0xc78, 0xe1590001},
{0xc78, 0x8a5a0001}, {0xc78, 0x895b0001},
{0xc78, 0x885c0001}, {0xc78, 0x875d0001},
{0xc78, 0x865e0001}, {0xc78, 0x855f0001},
{0xc78, 0x84600001}, {0xc78, 0x83610001},
{0xc78, 0x82620001}, {0xc78, 0x6a630001},
{0xc78, 0x69640001}, {0xc78, 0x68650001},
{0xc78, 0x67660001}, {0xc78, 0x66670001},
{0xc78, 0x65680001}, {0xc78, 0x64690001},
{0xc78, 0x636a0001}, {0xc78, 0x626b0001},
{0xc78, 0x616c0001}, {0xc78, 0x606d0001},
{0xc78, 0x476e0001}, {0xc78, 0x466f0001},
{0xc78, 0x45700001}, {0xc78, 0x44710001},
{0xc78, 0x43720001}, {0xc78, 0x42730001},
{0xc78, 0x41740001}, {0xc78, 0x40750001},
{0xc78, 0x40760001}, {0xc78, 0x40770001},
{0xc78, 0x40780001}, {0xc78, 0x40790001},
{0xc78, 0x407a0001}, {0xc78, 0x407b0001},
{0xc78, 0x407c0001}, {0xc78, 0x407d0001},
{0xc78, 0x407e0001}, {0xc78, 0x407f0001},
{0xc50, 0x00040222}, {0xc50, 0x00040220},
{0xffff, 0xffffffff}
};
static const struct rtl8xxxu_rfregval rtl8192eu_radioa_init_table[] = {
{0x7f, 0x00000082}, {0x81, 0x0003fc00},
{0x00, 0x00030000}, {0x08, 0x00008400},
{0x18, 0x00000407}, {0x19, 0x00000012},
{0x1b, 0x00000064}, {0x1e, 0x00080009},
{0x1f, 0x00000880}, {0x2f, 0x0001a060},
{0x3f, 0x00000000}, {0x42, 0x000060c0},
{0x57, 0x000d0000}, {0x58, 0x000be180},
{0x67, 0x00001552}, {0x83, 0x00000000},
{0xb0, 0x000ff9f1}, {0xb1, 0x00055418},
{0xb2, 0x0008cc00}, {0xb4, 0x00043083},
{0xb5, 0x00008166}, {0xb6, 0x0000803e},
{0xb7, 0x0001c69f}, {0xb8, 0x0000407f},
{0xb9, 0x00080001}, {0xba, 0x00040001},
{0xbb, 0x00000400}, {0xbf, 0x000c0000},
{0xc2, 0x00002400}, {0xc3, 0x00000009},
{0xc4, 0x00040c91}, {0xc5, 0x00099999},
{0xc6, 0x000000a3}, {0xc7, 0x00088820},
{0xc8, 0x00076c06}, {0xc9, 0x00000000},
{0xca, 0x00080000}, {0xdf, 0x00000180},
{0xef, 0x000001a0}, {0x51, 0x00069545},
{0x52, 0x0007e45e}, {0x53, 0x00000071},
{0x56, 0x00051ff3}, {0x35, 0x000000a8},
{0x35, 0x000001e2}, {0x35, 0x000002a8},
{0x36, 0x00001c24}, {0x36, 0x00009c24},
{0x36, 0x00011c24}, {0x36, 0x00019c24},
{0x18, 0x00000c07}, {0x5a, 0x00048000},
{0x19, 0x000739d0},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x34, 0x0000a093}, {0x34, 0x0000908f},
{0x34, 0x0000808c}, {0x34, 0x0000704d},
{0x34, 0x0000604a}, {0x34, 0x00005047},
{0x34, 0x0000400a}, {0x34, 0x00003007},
{0x34, 0x00002004}, {0x34, 0x00001001},
{0x34, 0x00000000},
#else
/* Regular */
{0x34, 0x0000add7}, {0x34, 0x00009dd4},
{0x34, 0x00008dd1}, {0x34, 0x00007dce},
{0x34, 0x00006dcb}, {0x34, 0x00005dc8},
{0x34, 0x00004dc5}, {0x34, 0x000034cc},
{0x34, 0x0000244f}, {0x34, 0x0000144c},
{0x34, 0x00000014},
#endif
{0x00, 0x00030159},
{0x84, 0x00068180},
{0x86, 0x0000014e},
{0x87, 0x00048e00},
{0x8e, 0x00065540},
{0x8f, 0x00088000},
{0xef, 0x000020a0},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x3b, 0x000f07b0},
#else
{0x3b, 0x000f02b0},
#endif
{0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
{0x3b, 0x000cf060}, {0x3b, 0x000b0090},
{0x3b, 0x000a0080}, {0x3b, 0x00090080},
{0x3b, 0x0008f780},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x3b, 0x000787b0},
#else
{0x3b, 0x00078730},
#endif
{0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
{0x3b, 0x00040620}, {0x3b, 0x00037090},
{0x3b, 0x00020080}, {0x3b, 0x0001f060},
{0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
{0xfe, 0x00000000}, {0x18, 0x0000fc07},
{0xfe, 0x00000000}, {0xfe, 0x00000000},
{0xfe, 0x00000000}, {0xfe, 0x00000000},
{0x1e, 0x00000001}, {0x1f, 0x00080000},
{0x00, 0x00033e70},
{0xff, 0xffffffff}
};
static const struct rtl8xxxu_rfregval rtl8192eu_radiob_init_table[] = {
{0x7f, 0x00000082}, {0x81, 0x0003fc00},
{0x00, 0x00030000}, {0x08, 0x00008400},
{0x18, 0x00000407}, {0x19, 0x00000012},
{0x1b, 0x00000064}, {0x1e, 0x00080009},
{0x1f, 0x00000880}, {0x2f, 0x0001a060},
{0x3f, 0x00000000}, {0x42, 0x000060c0},
{0x57, 0x000d0000}, {0x58, 0x000be180},
{0x67, 0x00001552}, {0x7f, 0x00000082},
{0x81, 0x0003f000}, {0x83, 0x00000000},
{0xdf, 0x00000180}, {0xef, 0x000001a0},
{0x51, 0x00069545}, {0x52, 0x0007e42e},
{0x53, 0x00000071}, {0x56, 0x00051ff3},
{0x35, 0x000000a8}, {0x35, 0x000001e0},
{0x35, 0x000002a8}, {0x36, 0x00001ca8},
{0x36, 0x00009c24}, {0x36, 0x00011c24},
{0x36, 0x00019c24}, {0x18, 0x00000c07},
{0x5a, 0x00048000}, {0x19, 0x000739d0},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x34, 0x0000a093}, {0x34, 0x0000908f},
{0x34, 0x0000808c}, {0x34, 0x0000704d},
{0x34, 0x0000604a}, {0x34, 0x00005047},
{0x34, 0x0000400a}, {0x34, 0x00003007},
{0x34, 0x00002004}, {0x34, 0x00001001},
{0x34, 0x00000000},
#else
{0x34, 0x0000add7}, {0x34, 0x00009dd4},
{0x34, 0x00008dd1}, {0x34, 0x00007dce},
{0x34, 0x00006dcb}, {0x34, 0x00005dc8},
{0x34, 0x00004dc5}, {0x34, 0x000034cc},
{0x34, 0x0000244f}, {0x34, 0x0000144c},
{0x34, 0x00000014},
#endif
{0x00, 0x00030159}, {0x84, 0x00068180},
{0x86, 0x000000ce}, {0x87, 0x00048a00},
{0x8e, 0x00065540}, {0x8f, 0x00088000},
{0xef, 0x000020a0},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x3b, 0x000f07b0},
#else
{0x3b, 0x000f02b0},
#endif
{0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
{0x3b, 0x000cf060}, {0x3b, 0x000b0090},
{0x3b, 0x000a0080}, {0x3b, 0x00090080},
{0x3b, 0x0008f780},
#ifdef EXT_PA_8192EU
/* External PA or external LNA */
{0x3b, 0x000787b0},
#else
{0x3b, 0x00078730},
#endif
{0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
{0x3b, 0x00040620}, {0x3b, 0x00037090},
{0x3b, 0x00020080}, {0x3b, 0x0001f060},
{0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
{0x00, 0x00010159}, {0xfe, 0x00000000},
{0xfe, 0x00000000}, {0xfe, 0x00000000},
{0xfe, 0x00000000}, {0x1e, 0x00000001},
{0x1f, 0x00080000}, {0x00, 0x00033e70},
{0xff, 0xffffffff}
};
static int rtl8192eu_identify_chip(struct rtl8xxxu_priv *priv)
{
struct device *dev = &priv->udev->dev;
u32 val32, bonding, sys_cfg, vendor;
int ret = 0;
sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
dev_info(dev, "Unsupported test chip\n");
ret = -ENOTSUPP;
goto out;
}
bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
bonding &= HPON_FSM_BONDING_MASK;
if (bonding == HPON_FSM_BONDING_1T2R) {
strscpy(priv->chip_name, "8191EU", sizeof(priv->chip_name));
priv->tx_paths = 1;
priv->rtl_chip = RTL8191E;
} else {
strscpy(priv->chip_name, "8192EU", sizeof(priv->chip_name));
priv->tx_paths = 2;
priv->rtl_chip = RTL8192E;
}
priv->rf_paths = 2;
priv->rx_paths = 2;
priv->has_wifi = 1;
vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK;
rtl8xxxu_identify_vendor_2bits(priv, vendor);
val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
rtl8xxxu_config_endpoints_sie(priv);
/*
* Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
*/
if (!priv->ep_tx_count)
ret = rtl8xxxu_config_endpoints_no_sie(priv);
out:
return ret;
}
static void
rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
{
u32 val32, ofdm, mcs;
u8 cck, ofdmbase, mcsbase;
int group, tx_idx;
tx_idx = 0;
group = rtl8xxxu_gen2_channel_to_group(channel);
cck = priv->cck_tx_power_index_A[group];
val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
val32 &= 0xffff00ff;
val32 |= (cck << 8);
rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
val32 &= 0xff;
val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
ofdmbase = priv->ht40_1s_tx_power_index_A[group];
ofdmbase += priv->ofdm_tx_power_diff[tx_idx].a;
ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
mcsbase = priv->ht40_1s_tx_power_index_A[group];
if (ht40)
mcsbase += priv->ht40_tx_power_diff[tx_idx++].a;
else
mcsbase += priv->ht20_tx_power_diff[tx_idx++].a;
mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs);
if (priv->tx_paths > 1) {
cck = priv->cck_tx_power_index_B[group];
val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32);
val32 &= 0xff;
val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32);
val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
val32 &= 0xffffff00;
val32 |= cck;
rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
ofdmbase = priv->ht40_1s_tx_power_index_B[group];
ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
ofdm = ofdmbase | ofdmbase << 8 |
ofdmbase << 16 | ofdmbase << 24;
rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, ofdm);
rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, ofdm);
mcsbase = priv->ht40_1s_tx_power_index_B[group];
if (ht40)
mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
else
mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, mcs);
rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, mcs);
}
}
static void rtl8192eu_log_next_device_info(struct rtl8xxxu_priv *priv,
char *record_name,
char *device_info,
unsigned int *record_offset)
{
char *record = device_info + *record_offset;
/* A record is [ total length | 0x03 | value ] */
unsigned char l = record[0];
/*
* The whole device info section seems to be 80 characters, make sure
* we don't read further.
*/
if (*record_offset + l > 80) {
dev_warn(&priv->udev->dev,
"invalid record length %d while parsing \"%s\" at offset %u.\n",
l, record_name, *record_offset);
return;
}
if (l >= 2) {
char value[80];
memcpy(value, &record[2], l - 2);
value[l - 2] = '\0';
dev_info(&priv->udev->dev, "%s: %s\n", record_name, value);
*record_offset = *record_offset + l;
} else {
dev_info(&priv->udev->dev, "%s not available.\n", record_name);
}
}
static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv)
{
struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu;
unsigned int record_offset;
int i;
if (efuse->rtl_id != cpu_to_le16(0x8129))
return -EINVAL;
ether_addr_copy(priv->mac_addr, efuse->mac_addr);
memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
sizeof(efuse->tx_power_index_A.cck_base));
memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
sizeof(efuse->tx_power_index_B.cck_base));
memcpy(priv->ht40_1s_tx_power_index_A,
efuse->tx_power_index_A.ht40_base,
sizeof(efuse->tx_power_index_A.ht40_base));
memcpy(priv->ht40_1s_tx_power_index_B,
efuse->tx_power_index_B.ht40_base,
sizeof(efuse->tx_power_index_B.ht40_base));
priv->ht20_tx_power_diff[0].a =
efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
priv->ht20_tx_power_diff[0].b =
efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
priv->ht40_tx_power_diff[0].a = 0;
priv->ht40_tx_power_diff[0].b = 0;
for (i = 1; i < RTL8723B_TX_COUNT; i++) {
priv->ofdm_tx_power_diff[i].a =
efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
priv->ofdm_tx_power_diff[i].b =
efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
priv->ht20_tx_power_diff[i].a =
efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
priv->ht20_tx_power_diff[i].b =
efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
priv->ht40_tx_power_diff[i].a =
efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
priv->ht40_tx_power_diff[i].b =
efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
}
priv->default_crystal_cap = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f;
/*
* device_info section seems to be laid out as records
* [ total length | 0x03 | value ] so:
* - vendor length + 2
* - 0x03
* - vendor string (not null terminated)
* - product length + 2
* - 0x03
* - product string (not null terminated)
* Then there is one or 2 0x00 on all the 4 devices I own or found
* dumped online.
* As previous version of the code handled an optional serial
* string, I now assume there may be a third record if the
* length is not 0.
*/
record_offset = 0;
rtl8192eu_log_next_device_info(priv, "Vendor", efuse->device_info, &record_offset);
rtl8192eu_log_next_device_info(priv, "Product", efuse->device_info, &record_offset);
rtl8192eu_log_next_device_info(priv, "Serial", efuse->device_info, &record_offset);
return 0;
}
static int rtl8192eu_load_firmware(struct rtl8xxxu_priv *priv)
{
const char *fw_name;
int ret;
fw_name = "rtlwifi/rtl8192eu_nic.bin";
ret = rtl8xxxu_load_firmware(priv, fw_name);
return ret;
}
static void rtl8192eu_init_phy_bb(struct rtl8xxxu_priv *priv)
{
u8 val8;
u16 val16;
val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
/* 6. 0x1f[7:0] = 0x07 */
val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
val16 |= (SYS_FUNC_USBA | SYS_FUNC_USBD | SYS_FUNC_DIO_RF |
SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB);
rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
rtl8xxxu_init_phy_regs(priv, rtl8192eu_phy_init_table);
if (priv->hi_pa)
rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_highpa_table);
else
rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_std_table);
}
static int rtl8192eu_init_phy_rf(struct rtl8xxxu_priv *priv)
{
int ret;
ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radioa_init_table, RF_A);
if (ret)
goto exit;
ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radiob_init_table, RF_B);
exit:
return ret;
}
static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv)
{
u32 reg_eac, reg_e94, reg_e9c;
int result = 0;
/*
* TX IQK
* PA/PAD controlled by 0x0
*/
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00180);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0x07f77);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* Path A IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140303);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160000);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(10);
/* Check failed */
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
if (!(reg_eac & BIT(28)) &&
((reg_e94 & 0x03ff0000) != 0x01420000) &&
((reg_e9c & 0x03ff0000) != 0x00420000))
result |= 0x01;
return result;
}
static int rtl8192eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
{
u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
int result = 0;
/* Leave IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00);
/* Enable path A PA in TX IQK mode */
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf1173);
/* PA/PAD control by 0x56, and set = 0x0 */
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x511e0);
/* Enter IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* TX IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
/* path-A IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x8216031f);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x6816031f);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(10);
/* Check failed */
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
if (!(reg_eac & BIT(28)) &&
((reg_e94 & 0x03ff0000) != 0x01420000) &&
((reg_e9c & 0x03ff0000) != 0x00420000)) {
result |= 0x01;
} else {
/* PA/PAD controlled by 0x0 */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
goto out;
}
val32 = 0x80007c00 |
(reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff);
rtl8xxxu_write32(priv, REG_TX_IQK, val32);
/* Modify RX IQK mode table */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ff2);
/* PA/PAD control by 0x56, and set = 0x0 */
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x510e0);
/* Enter IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* IQK setting */
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
/* Path A IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821608ff);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281608ff);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(10);
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
if (!(reg_eac & BIT(27)) &&
((reg_ea4 & 0x03ff0000) != 0x01320000) &&
((reg_eac & 0x03ff0000) != 0x00360000))
result |= 0x02;
else
dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n",
__func__);
out:
return result;
}
static int rtl8192eu_iqk_path_b(struct rtl8xxxu_priv *priv)
{
u32 reg_eac, reg_eb4, reg_ebc;
int result = 0;
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00180);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x20000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0x07f77);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* Path B IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140303);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160000);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(1);
/* Check failed */
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
if (!(reg_eac & BIT(31)) &&
((reg_eb4 & 0x03ff0000) != 0x01420000) &&
((reg_ebc & 0x03ff0000) != 0x00420000))
result |= 0x01;
else
dev_warn(&priv->udev->dev, "%s: Path B IQK failed!\n",
__func__);
return result;
}
static int rtl8192eu_rx_iqk_path_b(struct rtl8xxxu_priv *priv)
{
u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, val32;
int result = 0;
/* Leave IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
/* Enable path A PA in TX IQK mode */
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf1173);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173);
/* PA/PAD control by 0x56, and set = 0x0 */
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x511e0);
/* Enter IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* TX IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
/* path-A IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x8216031f);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x6816031f);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(10);
/* Check failed */
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
if (!(reg_eac & BIT(31)) &&
((reg_eb4 & 0x03ff0000) != 0x01420000) &&
((reg_ebc & 0x03ff0000) != 0x00420000)) {
result |= 0x01;
} else {
/*
* PA/PAD controlled by 0x0
* Vendor driver restores RF_A here which I believe is a bug
*/
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
goto out;
}
val32 = 0x80007c00 |
(reg_eb4 & 0x03ff0000) | ((reg_ebc >> 16) & 0x03ff);
rtl8xxxu_write32(priv, REG_TX_IQK, val32);
/* Modify RX IQK mode table */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ff2);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2);
/* PA/PAD control by 0x56, and set = 0x0 */
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x510e0);
/* Enter IQK mode */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* IQK setting */
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
/* Path A IQK setting */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x18008c1c);
rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821608ff);
rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281608ff);
/* LO calibration setting */
rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
/* One shot, path A LOK & IQK */
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
mdelay(10);
reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
if (!(reg_eac & BIT(30)) &&
((reg_ec4 & 0x03ff0000) != 0x01320000) &&
((reg_ecc & 0x03ff0000) != 0x00360000))
result |= 0x02;
else
dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
__func__);
out:
return result;
}
static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
int result[][8], int t)
{
struct device *dev = &priv->udev->dev;
u32 i, val32;
int path_a_ok, path_b_ok;
int retry = 2;
static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
REG_TX_OFDM_BBON, REG_TX_TO_RX,
REG_TX_TO_TX, REG_RX_CCK,
REG_RX_OFDM, REG_RX_WAIT_RIFS,
REG_RX_TO_RX, REG_STANDBY,
REG_SLEEP, REG_PMPD_ANAEN
};
static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
REG_TXPAUSE, REG_BEACON_CTRL,
REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
};
static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
REG_FPGA0_XB_RF_INT_OE, REG_CCK0_AFE_SETTING
};
u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
/*
* Note: IQ calibration must be performed after loading
* PHY_REG.txt , and radio_a, radio_b.txt
*/
if (t == 0) {
/* Save ADDA parameters, turn Path A ADDA on */
rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
RTL8XXXU_ADDA_REGS);
rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
rtl8xxxu_save_regs(priv, iqk_bb_regs,
priv->bb_backup, RTL8XXXU_BB_REGS);
}
rtl8xxxu_path_adda_on(priv, adda_regs, true);
/* MAC settings */
rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
val32 |= 0x0f000000;
rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22208200);
val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL);
val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE);
val32 |= BIT(10);
rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32);
val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
val32 |= BIT(10);
rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
for (i = 0; i < retry; i++) {
path_a_ok = rtl8192eu_iqk_path_a(priv);
if (path_a_ok == 0x01) {
val32 = rtl8xxxu_read32(priv,
REG_TX_POWER_BEFORE_IQK_A);
result[t][0] = (val32 >> 16) & 0x3ff;
val32 = rtl8xxxu_read32(priv,
REG_TX_POWER_AFTER_IQK_A);
result[t][1] = (val32 >> 16) & 0x3ff;
break;
}
}
if (!path_a_ok)
dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
for (i = 0; i < retry; i++) {
path_a_ok = rtl8192eu_rx_iqk_path_a(priv);
if (path_a_ok == 0x03) {
val32 = rtl8xxxu_read32(priv,
REG_RX_POWER_BEFORE_IQK_A_2);
result[t][2] = (val32 >> 16) & 0x3ff;
val32 = rtl8xxxu_read32(priv,
REG_RX_POWER_AFTER_IQK_A_2);
result[t][3] = (val32 >> 16) & 0x3ff;
break;
}
}
if (!path_a_ok)
dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
if (priv->rf_paths > 1) {
/* Path A into standby */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
/* Turn Path B ADDA on */
rtl8xxxu_path_adda_on(priv, adda_regs, false);
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
for (i = 0; i < retry; i++) {
path_b_ok = rtl8192eu_iqk_path_b(priv);
if (path_b_ok == 0x01) {
val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
result[t][4] = (val32 >> 16) & 0x3ff;
val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
result[t][5] = (val32 >> 16) & 0x3ff;
break;
}
}
if (!path_b_ok)
dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
for (i = 0; i < retry; i++) {
path_b_ok = rtl8192eu_rx_iqk_path_b(priv);
if (path_b_ok == 0x03) {
val32 = rtl8xxxu_read32(priv,
REG_RX_POWER_BEFORE_IQK_B_2);
result[t][6] = (val32 >> 16) & 0x3ff;
val32 = rtl8xxxu_read32(priv,
REG_RX_POWER_AFTER_IQK_B_2);
result[t][7] = (val32 >> 16) & 0x3ff;
break;
}
}
if (!path_b_ok)
dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
}
/* Back to BB mode, load original value */
rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
if (t) {
/* Reload ADDA power saving parameters */
rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
RTL8XXXU_ADDA_REGS);
/* Reload MAC parameters */
rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
/* Reload BB parameters */
rtl8xxxu_restore_regs(priv, iqk_bb_regs,
priv->bb_backup, RTL8XXXU_BB_REGS);
/* Restore RX initial gain */
val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
val32 &= 0xffffff00;
rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
if (priv->rf_paths > 1) {
val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
val32 &= 0xffffff00;
rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
val32 | 0x50);
rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
val32 | xb_agc);
}
/* Load 0xe30 IQC default value */
rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
}
}
static void rtl8192eu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
{
struct device *dev = &priv->udev->dev;
int result[4][8]; /* last is final result */
int i, candidate;
bool path_a_ok, path_b_ok;
u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
bool simu;
memset(result, 0, sizeof(result));
candidate = -1;
path_a_ok = false;
path_b_ok = false;
for (i = 0; i < 3; i++) {
rtl8192eu_phy_iqcalibrate(priv, result, i);
if (i == 1) {
simu = rtl8xxxu_gen2_simularity_compare(priv,
result, 0, 1);
if (simu) {
candidate = 0;
break;
}
}
if (i == 2) {
simu = rtl8xxxu_gen2_simularity_compare(priv,
result, 0, 2);
if (simu) {
candidate = 0;
break;
}
simu = rtl8xxxu_gen2_simularity_compare(priv,
result, 1, 2);
if (simu)
candidate = 1;
else
candidate = 3;
}
}
for (i = 0; i < 4; i++) {
reg_e94 = result[i][0];
reg_e9c = result[i][1];
reg_ea4 = result[i][2];
reg_eb4 = result[i][4];
reg_ebc = result[i][5];
reg_ec4 = result[i][6];
}
if (candidate >= 0) {
reg_e94 = result[candidate][0];
priv->rege94 = reg_e94;
reg_e9c = result[candidate][1];
priv->rege9c = reg_e9c;
reg_ea4 = result[candidate][2];
reg_eac = result[candidate][3];
reg_eb4 = result[candidate][4];
priv->regeb4 = reg_eb4;
reg_ebc = result[candidate][5];
priv->regebc = reg_ebc;
reg_ec4 = result[candidate][6];
reg_ecc = result[candidate][7];
dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
dev_dbg(dev,
"%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
__func__, reg_e94, reg_e9c,
reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
path_a_ok = true;
path_b_ok = true;
} else {
reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
}
if (reg_e94 && candidate >= 0)
rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
candidate, (reg_ea4 == 0));
if (priv->rf_paths > 1)
rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
candidate, (reg_ec4 == 0));
rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
}
/*
* This is needed for 8723bu as well, presumable
*/
static void rtl8192e_crystal_afe_adjust(struct rtl8xxxu_priv *priv)
{
u8 val8;
u32 val32;
/*
* 40Mhz crystal source, MAC 0x28[2]=0
*/
val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
val8 &= 0xfb;
rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
val32 &= 0xfffffc7f;
rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
/*
* 92e AFE parameter
* AFE PLL KVCO selection, MAC 0x28[6]=1
*/
val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
val8 &= 0xbf;
rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
/*
* AFE PLL KVCO selection, MAC 0x78[21]=0
*/
val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
val32 &= 0xffdfffff;
rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
}
static void rtl8192e_disabled_to_emu(struct rtl8xxxu_priv *priv)
{
u8 val8;
/* Clear suspend enable and power down enable*/
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 &= ~(BIT(3) | BIT(4));
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
}
static int rtl8192e_emu_to_active(struct rtl8xxxu_priv *priv)
{
u8 val8;
u32 val32;
int count, ret = 0;
/* disable HWPDN 0x04[15]=0*/
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 &= ~BIT(7);
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
/* disable SW LPS 0x04[10]= 0 */
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 &= ~BIT(2);
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
/* disable WL suspend*/
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 &= ~(BIT(3) | BIT(4));
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
/* wait till 0x04[17] = 1 power ready*/
for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
if (val32 & BIT(17))
break;
udelay(10);
}
if (!count) {
ret = -EBUSY;
goto exit;
}
/* We should be able to optimize the following three entries into one */
/* release WLON reset 0x04[16]= 1*/
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
val8 |= BIT(0);
rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
/* set, then poll until 0 */
val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
val32 |= APS_FSMCO_MAC_ENABLE;
rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
ret = 0;
break;
}
udelay(10);
}
if (!count) {
ret = -EBUSY;
goto exit;
}
exit:
return ret;
}
static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv)
{
struct device *dev = &priv->udev->dev;
u8 val8;
u16 val16;
u32 val32;
int retry, retval;
rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
retry = 100;
retval = -EBUSY;
/*
* Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending.
*/
do {
val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD);
if (!val32) {
retval = 0;
break;
}
} while (retry--);
if (!retry) {
dev_warn(dev, "Failed to flush TX queue\n");
retval = -EBUSY;
goto out;
}
/* Disable CCK and OFDM, clock gated */
val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
val8 &= ~SYS_FUNC_BBRSTB;
rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
udelay(2);
/* Reset whole BB */
val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
val8 &= ~SYS_FUNC_BB_GLB_RSTN;
rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
/* Reset MAC TRX */
val16 = rtl8xxxu_read16(priv, REG_CR);
val16 &= 0xff00;
val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE);
rtl8xxxu_write16(priv, REG_CR, val16);
val16 = rtl8xxxu_read16(priv, REG_CR);
val16 &= ~CR_SECURITY_ENABLE;
rtl8xxxu_write16(priv, REG_CR, val16);
val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
val8 |= DUAL_TSF_TX_OK;
rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
out:
return retval;
}
static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv)
{
u8 val8;
int count, ret = 0;
/* Turn off RF */
val8 = rtl8xxxu_read8(priv, REG_RF_CTRL);
val8 &= ~RF_ENABLE;
rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
/* Switch DPDT_SEL_P output from register 0x65[2] */
val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
val8 &= ~LEDCFG2_DPDT_SELECT;
rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
/* 0x0005[1] = 1 turn off MAC by HW state machine*/
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 |= BIT(1);
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
if ((val8 & BIT(1)) == 0)
break;
udelay(10);
}
if (!count) {
dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
__func__);
ret = -EBUSY;
goto exit;
}
exit:
return ret;
}
static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv)
{
u8 val8;
/* 0x04[12:11] = 01 enable WL suspend */
val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
val8 &= ~(BIT(3) | BIT(4));
val8 |= BIT(3);
rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
return 0;
}
static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv)
{
u16 val16;
u32 val32;
int ret;
val32 = rtl8xxxu_read32(priv, REG_SYS_CFG);
if (val32 & SYS_CFG_SPS_LDO_SEL) {
rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0xc3);
} else {
/*
* Raise 1.2V voltage
*/
val32 = rtl8xxxu_read32(priv, REG_8192E_LDOV12_CTRL);
val32 &= 0xff0fffff;
val32 |= 0x00500000;
rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32);
rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0x83);
}
/*
* Adjust AFE before enabling PLL
*/
rtl8192e_crystal_afe_adjust(priv);
rtl8192e_disabled_to_emu(priv);
ret = rtl8192e_emu_to_active(priv);
if (ret)
goto exit;
rtl8xxxu_write16(priv, REG_CR, 0x0000);
/*
* Enable MAC DMA/WMAC/SCHEDULE/SEC block
* Set CR bit10 to enable 32k calibration.
*/
val16 = rtl8xxxu_read16(priv, REG_CR);
val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
rtl8xxxu_write16(priv, REG_CR, val16);
exit:
return ret;
}
static void rtl8192eu_power_off(struct rtl8xxxu_priv *priv)
{
u8 val8;
u16 val16;
rtl8xxxu_flush_fifo(priv);
val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
/* Turn off RF */
rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00);
rtl8192eu_active_to_lps(priv);
/* Reset Firmware if running in RAM */
if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
rtl8xxxu_firmware_self_reset(priv);
/* Reset MCU */
val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
val16 &= ~SYS_FUNC_CPU_ENABLE;
rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
/* Reset MCU ready status */
rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
rtl8xxxu_reset_8051(priv);
rtl8192eu_active_to_emu(priv);
rtl8192eu_emu_to_disabled(priv);
}
static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv)
{
u32 val32;
u8 val8;
val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
val32 |= (BIT(22) | BIT(23));
rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
val8 |= BIT(5);
rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
/*
* WLAN action by PTA
*/
rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
val32 |= (BIT(0) | BIT(1));
rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
val32 &= ~BIT(24);
val32 |= BIT(23);
rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
/*
* Fix external switch Main->S1, Aux->S0
*/
val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
val8 &= ~BIT(0);
rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
/*
* Fix transmission failure of rtl8192e.
*/
rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
}
static s8 rtl8192e_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt)
{
static const s8 lna_gain_table_0[8] = {15, 9, -10, -21, -23, -27, -43, -44};
static const s8 lna_gain_table_1[8] = {24, 18, 13, -4, -11, -18, -31, -36};
s8 rx_pwr_all = 0x00;
u8 vga_idx, lna_idx;
s8 lna_gain = 0;
lna_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_LNA_IDX_MASK);
vga_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_VGA_IDX_MASK);
if (priv->cck_agc_report_type == 0)
lna_gain = lna_gain_table_0[lna_idx];
else
lna_gain = lna_gain_table_1[lna_idx];
rx_pwr_all = lna_gain - (2 * vga_idx);
return rx_pwr_all;
}
static int rtl8192eu_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct rtl8xxxu_priv *priv = container_of(led_cdev,
struct rtl8xxxu_priv,
led_cdev);
u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG1);
if (brightness == LED_OFF) {
ledcfg &= ~LEDCFG1_HW_LED_CONTROL;
ledcfg |= LEDCFG1_LED_DISABLE;
} else if (brightness == LED_ON) {
ledcfg &= ~(LEDCFG1_HW_LED_CONTROL | LEDCFG1_LED_DISABLE);
} else if (brightness == RTL8XXXU_HW_LED_CONTROL) {
ledcfg &= ~LEDCFG1_LED_DISABLE;
ledcfg |= LEDCFG1_HW_LED_CONTROL;
}
rtl8xxxu_write8(priv, REG_LEDCFG1, ledcfg);
return 0;
}
struct rtl8xxxu_fileops rtl8192eu_fops = {
.identify_chip = rtl8192eu_identify_chip,
.parse_efuse = rtl8192eu_parse_efuse,
.load_firmware = rtl8192eu_load_firmware,
.power_on = rtl8192eu_power_on,
.power_off = rtl8192eu_power_off,
.reset_8051 = rtl8xxxu_reset_8051,
.llt_init = rtl8xxxu_auto_llt_table,
.init_phy_bb = rtl8192eu_init_phy_bb,
.init_phy_rf = rtl8192eu_init_phy_rf,
.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
.phy_iq_calibrate = rtl8192eu_phy_iq_calibrate,
.config_channel = rtl8xxxu_gen2_config_channel,
.parse_rx_desc = rtl8xxxu_parse_rxdesc24,
.enable_rf = rtl8192e_enable_rf,
.disable_rf = rtl8xxxu_gen2_disable_rf,
.usb_quirks = rtl8xxxu_gen2_usb_quirks,
.set_tx_power = rtl8192e_set_tx_power,
.update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
.report_connect = rtl8xxxu_gen2_report_connect,
.report_rssi = rtl8xxxu_gen2_report_rssi,
.fill_txdesc = rtl8xxxu_fill_txdesc_v2,
.set_crystal_cap = rtl8723a_set_crystal_cap,
.cck_rssi = rtl8192e_cck_rssi,
.led_classdev_brightness_set = rtl8192eu_led_brightness_set,
.writeN_block_size = 128,
.tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
.has_s0s1 = 0,
.gen2_thermal_meter = 1,
.adda_1t_init = 0x0fc01616,
.adda_1t_path_on = 0x0fc01616,
.adda_2t_path_on_a = 0x0fc01616,
.adda_2t_path_on_b = 0x0fc01616,
.trxff_boundary = 0x3cff,
.mactable = rtl8192e_mac_init_table,
.total_page_num = TX_TOTAL_PAGE_NUM_8192E,
.page_num_hi = TX_PAGE_NUM_HI_PQ_8192E,
.page_num_lo = TX_PAGE_NUM_LO_PQ_8192E,
.page_num_norm = TX_PAGE_NUM_NORM_PQ_8192E,
};
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