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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/net/wireless/realtek/rtl8xxxu/8188e.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/8188e.c')
-rw-r--r--drivers/net/wireless/realtek/rtl8xxxu/8188e.c1885
1 files changed, 1885 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/8188e.c b/drivers/net/wireless/realtek/rtl8xxxu/8188e.c
new file mode 100644
index 0000000000..3d04df0f5b
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtl8xxxu/8188e.c
@@ -0,0 +1,1885 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * RTL8XXXU mac80211 USB driver - 8188e specific subdriver
+ *
+ * Copyright (c) 2014 - 2016 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 "regs.h"
+#include "rtl8xxxu.h"
+
+static const struct rtl8xxxu_reg8val rtl8188e_mac_init_table[] = {
+ {0x026, 0x41}, {0x027, 0x35}, {0x040, 0x00}, {0x421, 0x0f},
+ {0x428, 0x0a}, {0x429, 0x10}, {0x430, 0x00}, {0x431, 0x01},
+ {0x432, 0x02}, {0x433, 0x04}, {0x434, 0x05}, {0x435, 0x06},
+ {0x436, 0x07}, {0x437, 0x08}, {0x438, 0x00}, {0x439, 0x00},
+ {0x43a, 0x01}, {0x43b, 0x02}, {0x43c, 0x04}, {0x43d, 0x05},
+ {0x43e, 0x06}, {0x43f, 0x07}, {0x440, 0x5d}, {0x441, 0x01},
+ {0x442, 0x00}, {0x444, 0x15}, {0x445, 0xf0}, {0x446, 0x0f},
+ {0x447, 0x00}, {0x458, 0x41}, {0x459, 0xa8}, {0x45a, 0x72},
+ {0x45b, 0xb9}, {0x460, 0x66}, {0x461, 0x66}, {0x480, 0x08},
+ {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, {0x4cd, 0xff},
+ {0x4ce, 0x01}, {0x4d3, 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}, {0x550, 0x10}, {0x551, 0x10},
+ {0x559, 0x02}, {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e},
+ {0x609, 0x2a}, {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff},
+ {0x623, 0xff}, {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff},
+ {0x627, 0xff}, {0x63c, 0x08}, {0x63d, 0x08}, {0x63e, 0x0c},
+ {0x63f, 0x0c}, {0x640, 0x40}, {0x652, 0x20}, {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 rtl8188eu_phy_init_table[] = {
+ {0x800, 0x80040000}, {0x804, 0x00000003},
+ {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
+ {0x810, 0x10001331}, {0x814, 0x020c3d10},
+ {0x818, 0x02200385}, {0x81c, 0x00000000},
+ {0x820, 0x01000100}, {0x824, 0x00390204},
+ {0x828, 0x00000000}, {0x82c, 0x00000000},
+ {0x830, 0x00000000}, {0x834, 0x00000000},
+ {0x838, 0x00000000}, {0x83c, 0x00000000},
+ {0x840, 0x00010000}, {0x844, 0x00000000},
+ {0x848, 0x00000000}, {0x84c, 0x00000000},
+ {0x850, 0x00000000}, {0x854, 0x00000000},
+ {0x858, 0x569a11a9}, {0x85c, 0x01000014},
+ {0x860, 0x66f60110}, {0x864, 0x061f0649},
+ {0x868, 0x00000000}, {0x86c, 0x27272700},
+ {0x870, 0x07000760}, {0x874, 0x25004000},
+ {0x878, 0x00000808}, {0x87c, 0x00000000},
+ {0x880, 0xb0000c1c}, {0x884, 0x00000001},
+ {0x888, 0x00000000}, {0x88c, 0xccc000c0},
+ {0x890, 0x00000800}, {0x894, 0xfffffffe},
+ {0x898, 0x40302010}, {0x89c, 0x00706050},
+ {0x900, 0x00000000}, {0x904, 0x00000023},
+ {0x908, 0x00000000}, {0x90c, 0x81121111},
+ {0x910, 0x00000002}, {0x914, 0x00000201},
+ {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c},
+ {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f},
+ {0xa10, 0x9500bb7e}, {0xa14, 0x1114d028},
+ {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
+ {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
+ {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
+ {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
+ {0xa78, 0x00000900}, {0xa7c, 0x225b0606},
+ {0xa80, 0x218075b1}, {0xb2c, 0x80000000},
+ {0xc00, 0x48071d40}, {0xc04, 0x03a05611},
+ {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},
+ {0xc50, 0x69553420}, {0xc54, 0x43bc0094},
+ {0xc58, 0x00013169}, {0xc5c, 0x00250492},
+ {0xc60, 0x00000000}, {0xc64, 0x7112848b},
+ {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
+ {0xc70, 0x2c7f000d}, {0xc74, 0x020610db},
+ {0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
+ {0xc80, 0x390000e4}, {0xc84, 0x21f60000},
+ {0xc88, 0x40000100}, {0xc8c, 0x20200000},
+ {0xc90, 0x00091521}, {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, 0x00000000},
+ {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
+ {0xd00, 0x00000740}, {0xd04, 0x00020401},
+ {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
+ {0xd10, 0xa0633333}, {0xd14, 0x3333bc43},
+ {0xd18, 0x7a8f5b6f}, {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}, {0xe00, 0x2d2d2d2d},
+ {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d},
+ {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d},
+ {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d},
+ {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, 0x00000048},
+ {0xe68, 0x001b25a4}, {0xe6c, 0x00c00014},
+ {0xe70, 0x00c00014}, {0xe74, 0x01000014},
+ {0xe78, 0x01000014}, {0xe7c, 0x01000014},
+ {0xe80, 0x01000014}, {0xe84, 0x00c00014},
+ {0xe88, 0x01000014}, {0xe8c, 0x00c00014},
+ {0xed0, 0x00c00014}, {0xed4, 0x00c00014},
+ {0xed8, 0x00c00014}, {0xedc, 0x00000014},
+ {0xee0, 0x00000014}, {0xee8, 0x21555448},
+ {0xeec, 0x01c00014}, {0xf14, 0x00000003},
+ {0xf4c, 0x00000000}, {0xf00, 0x00000300},
+ {0xffff, 0xffffffff},
+};
+
+static const struct rtl8xxxu_reg32val rtl8188e_agc_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, 0xe61a0001}, {0xc78, 0xe51b0001},
+ {0xc78, 0xe41c0001}, {0xc78, 0xe31d0001},
+ {0xc78, 0xe21e0001}, {0xc78, 0xe11f0001},
+ {0xc78, 0x8a200001}, {0xc78, 0x89210001},
+ {0xc78, 0x88220001}, {0xc78, 0x87230001},
+ {0xc78, 0x86240001}, {0xc78, 0x85250001},
+ {0xc78, 0x84260001}, {0xc78, 0x83270001},
+ {0xc78, 0x82280001}, {0xc78, 0x6b290001},
+ {0xc78, 0x6a2a0001}, {0xc78, 0x692b0001},
+ {0xc78, 0x682c0001}, {0xc78, 0x672d0001},
+ {0xc78, 0x662e0001}, {0xc78, 0x652f0001},
+ {0xc78, 0x64300001}, {0xc78, 0x63310001},
+ {0xc78, 0x62320001}, {0xc78, 0x61330001},
+ {0xc78, 0x46340001}, {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, 0xfb460001}, {0xc78, 0xfb470001},
+ {0xc78, 0xfb480001}, {0xc78, 0xfa490001},
+ {0xc78, 0xf94a0001}, {0xc78, 0xf84b0001},
+ {0xc78, 0xf74c0001}, {0xc78, 0xf64d0001},
+ {0xc78, 0xf54e0001}, {0xc78, 0xf44f0001},
+ {0xc78, 0xf3500001}, {0xc78, 0xf2510001},
+ {0xc78, 0xf1520001}, {0xc78, 0xf0530001},
+ {0xc78, 0xef540001}, {0xc78, 0xee550001},
+ {0xc78, 0xed560001}, {0xc78, 0xec570001},
+ {0xc78, 0xeb580001}, {0xc78, 0xea590001},
+ {0xc78, 0xe95a0001}, {0xc78, 0xe85b0001},
+ {0xc78, 0xe75c0001}, {0xc78, 0xe65d0001},
+ {0xc78, 0xe55e0001}, {0xc78, 0xe45f0001},
+ {0xc78, 0xe3600001}, {0xc78, 0xe2610001},
+ {0xc78, 0xc3620001}, {0xc78, 0xc2630001},
+ {0xc78, 0xc1640001}, {0xc78, 0x8b650001},
+ {0xc78, 0x8a660001}, {0xc78, 0x89670001},
+ {0xc78, 0x88680001}, {0xc78, 0x87690001},
+ {0xc78, 0x866a0001}, {0xc78, 0x856b0001},
+ {0xc78, 0x846c0001}, {0xc78, 0x676d0001},
+ {0xc78, 0x666e0001}, {0xc78, 0x656f0001},
+ {0xc78, 0x64700001}, {0xc78, 0x63710001},
+ {0xc78, 0x62720001}, {0xc78, 0x61730001},
+ {0xc78, 0x60740001}, {0xc78, 0x46750001},
+ {0xc78, 0x45760001}, {0xc78, 0x44770001},
+ {0xc78, 0x43780001}, {0xc78, 0x42790001},
+ {0xc78, 0x417a0001}, {0xc78, 0x407b0001},
+ {0xc78, 0x407c0001}, {0xc78, 0x407d0001},
+ {0xc78, 0x407e0001}, {0xc78, 0x407f0001},
+ {0xc50, 0x69553422}, {0xc50, 0x69553420},
+ {0xffff, 0xffffffff}
+};
+
+static const struct rtl8xxxu_rfregval rtl8188eu_radioa_init_table[] = {
+ {0x00, 0x00030000}, {0x08, 0x00084000},
+ {0x18, 0x00000407}, {0x19, 0x00000012},
+ {0x1e, 0x00080009}, {0x1f, 0x00000880},
+ {0x2f, 0x0001a060}, {0x3f, 0x00000000},
+ {0x42, 0x000060c0}, {0x57, 0x000d0000},
+ {0x58, 0x000be180}, {0x67, 0x00001552},
+ {0x83, 0x00000000}, {0xb0, 0x000ff8fc},
+ {0xb1, 0x00054400}, {0xb2, 0x000ccc19},
+ {0xb4, 0x00043003}, {0xb6, 0x0004953e},
+ {0xb7, 0x0001c718}, {0xb8, 0x000060ff},
+ {0xb9, 0x00080001}, {0xba, 0x00040000},
+ {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, 0x0006b27d},
+ {0x52, 0x0007e49d}, /* Set to 0x0007e4dd for SDIO */
+ {0x53, 0x00000073}, {0x56, 0x00051ff3},
+ {0x35, 0x00000086}, {0x35, 0x00000186},
+ {0x35, 0x00000286}, {0x36, 0x00001c25},
+ {0x36, 0x00009c25}, {0x36, 0x00011c25},
+ {0x36, 0x00019c25}, {0xb6, 0x00048538},
+ {0x18, 0x00000c07}, {0x5a, 0x0004bd00},
+ {0x19, 0x000739d0}, {0x34, 0x0000adf3},
+ {0x34, 0x00009df0}, {0x34, 0x00008ded},
+ {0x34, 0x00007dea}, {0x34, 0x00006de7},
+ {0x34, 0x000054ee}, {0x34, 0x000044eb},
+ {0x34, 0x000034e8}, {0x34, 0x0000246b},
+ {0x34, 0x00001468}, {0x34, 0x0000006d},
+ {0x00, 0x00030159}, {0x84, 0x00068200},
+ {0x86, 0x000000ce}, {0x87, 0x00048a00},
+ {0x8e, 0x00065540}, {0x8f, 0x00088000},
+ {0xef, 0x000020a0}, {0x3b, 0x000f02b0},
+ {0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
+ {0x3b, 0x000cf060}, {0x3b, 0x000b0090},
+ {0x3b, 0x000a0080}, {0x3b, 0x00090080},
+ {0x3b, 0x0008f780}, {0x3b, 0x000722b0},
+ {0x3b, 0x0006f7b0}, {0x3b, 0x00054fb0},
+ {0x3b, 0x0004f060}, {0x3b, 0x00030090},
+ {0x3b, 0x00020080}, {0x3b, 0x00010080},
+ {0x3b, 0x0000f780}, {0xef, 0x000000a0},
+ {0x00, 0x00010159}, {0x18, 0x0000f407},
+ {0xFE, 0x00000000}, {0xFE, 0x00000000},
+ {0x1F, 0x00080003}, {0xFE, 0x00000000},
+ {0xFE, 0x00000000}, {0x1E, 0x00000001},
+ {0x1F, 0x00080000}, {0x00, 0x00033e60},
+ {0xff, 0xffffffff}
+};
+
+#define PERENTRY 23
+#define RETRYSIZE 5
+#define RATESIZE 28
+#define TX_RPT2_ITEM_SIZE 8
+
+static const u8 retry_penalty[PERENTRY][RETRYSIZE + 1] = {
+ {5, 4, 3, 2, 0, 3}, /* 92 , idx=0 */
+ {6, 5, 4, 3, 0, 4}, /* 86 , idx=1 */
+ {6, 5, 4, 2, 0, 4}, /* 81 , idx=2 */
+ {8, 7, 6, 4, 0, 6}, /* 75 , idx=3 */
+ {10, 9, 8, 6, 0, 8}, /* 71 , idx=4 */
+ {10, 9, 8, 4, 0, 8}, /* 66 , idx=5 */
+ {10, 9, 8, 2, 0, 8}, /* 62 , idx=6 */
+ {10, 9, 8, 0, 0, 8}, /* 59 , idx=7 */
+ {18, 17, 16, 8, 0, 16}, /* 53 , idx=8 */
+ {26, 25, 24, 16, 0, 24}, /* 50 , idx=9 */
+ {34, 33, 32, 24, 0, 32}, /* 47 , idx=0x0a */
+ {34, 31, 28, 20, 0, 32}, /* 43 , idx=0x0b */
+ {34, 31, 27, 18, 0, 32}, /* 40 , idx=0x0c */
+ {34, 31, 26, 16, 0, 32}, /* 37 , idx=0x0d */
+ {34, 30, 22, 16, 0, 32}, /* 32 , idx=0x0e */
+ {34, 30, 24, 16, 0, 32}, /* 26 , idx=0x0f */
+ {49, 46, 40, 16, 0, 48}, /* 20 , idx=0x10 */
+ {49, 45, 32, 0, 0, 48}, /* 17 , idx=0x11 */
+ {49, 45, 22, 18, 0, 48}, /* 15 , idx=0x12 */
+ {49, 40, 24, 16, 0, 48}, /* 12 , idx=0x13 */
+ {49, 32, 18, 12, 0, 48}, /* 9 , idx=0x14 */
+ {49, 22, 18, 14, 0, 48}, /* 6 , idx=0x15 */
+ {49, 16, 16, 0, 0, 48} /* 3, idx=0x16 */
+};
+
+static const u8 pt_penalty[RETRYSIZE + 1] = {34, 31, 30, 24, 0, 32};
+
+static const u8 retry_penalty_idx_normal[2][RATESIZE] = {
+ { /* RSSI>TH */
+ 4, 4, 4, 5,
+ 4, 4, 5, 7, 7, 7, 8, 0x0a,
+ 4, 4, 4, 4, 6, 0x0a, 0x0b, 0x0d,
+ 5, 5, 7, 7, 8, 0x0b, 0x0d, 0x0f
+ },
+ { /* RSSI<TH */
+ 0x0a, 0x0a, 0x0b, 0x0c,
+ 0x0a, 0x0a, 0x0b, 0x0c, 0x0d, 0x10, 0x13, 0x13,
+ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x13, 0x13,
+ 9, 9, 9, 9, 0x0c, 0x0e, 0x11, 0x13
+ }
+};
+
+static const u8 retry_penalty_idx_cut_i[2][RATESIZE] = {
+ { /* RSSI>TH */
+ 4, 4, 4, 5,
+ 4, 4, 5, 7, 7, 7, 8, 0x0a,
+ 4, 4, 4, 4, 6, 0x0a, 0x0b, 0x0d,
+ 5, 5, 7, 7, 8, 0x0b, 0x0d, 0x0f
+ },
+ { /* RSSI<TH */
+ 0x0a, 0x0a, 0x0b, 0x0c,
+ 0x0a, 0x0a, 0x0b, 0x0c, 0x0d, 0x10, 0x13, 0x13,
+ 0x06, 0x07, 0x08, 0x0d, 0x0e, 0x11, 0x11, 0x11,
+ 9, 9, 9, 9, 0x0c, 0x0e, 0x11, 0x13
+ }
+};
+
+static const u8 retry_penalty_up_idx_normal[RATESIZE] = {
+ 0x0c, 0x0d, 0x0d, 0x0f,
+ 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x12, 0x13, 0x14,
+ 0x0f, 0x10, 0x10, 0x12, 0x12, 0x13, 0x14, 0x15,
+ 0x11, 0x11, 0x12, 0x13, 0x13, 0x13, 0x14, 0x15
+};
+
+static const u8 retry_penalty_up_idx_cut_i[RATESIZE] = {
+ 0x0c, 0x0d, 0x0d, 0x0f,
+ 0x0d, 0x0e, 0x0f, 0x0f, 0x10, 0x12, 0x13, 0x14,
+ 0x0b, 0x0b, 0x11, 0x11, 0x12, 0x12, 0x12, 0x12,
+ 0x11, 0x11, 0x12, 0x13, 0x13, 0x13, 0x14, 0x15
+};
+
+static const u8 rssi_threshold[RATESIZE] = {
+ 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0x24, 0x26, 0x2a,
+ 0x18, 0x1a, 0x1d, 0x1f, 0x21, 0x27, 0x29, 0x2a,
+ 0, 0, 0, 0x1f, 0x23, 0x28, 0x2a, 0x2c
+};
+
+static const u16 n_threshold_high[RATESIZE] = {
+ 4, 4, 8, 16,
+ 24, 36, 48, 72, 96, 144, 192, 216,
+ 60, 80, 100, 160, 240, 400, 600, 800,
+ 300, 320, 480, 720, 1000, 1200, 1600, 2000
+};
+
+static const u16 n_threshold_low[RATESIZE] = {
+ 2, 2, 4, 8,
+ 12, 18, 24, 36, 48, 72, 96, 108,
+ 30, 40, 50, 80, 120, 200, 300, 400,
+ 150, 160, 240, 360, 500, 600, 800, 1000
+};
+
+static const u8 dropping_necessary[RATESIZE] = {
+ 1, 1, 1, 1,
+ 1, 2, 3, 4, 5, 6, 7, 8,
+ 1, 2, 3, 4, 5, 6, 7, 8,
+ 5, 6, 7, 8, 9, 10, 11, 12
+};
+
+static const u8 pending_for_rate_up_fail[5] = {2, 10, 24, 40, 60};
+
+static const u16 dynamic_tx_rpt_timing[6] = {
+ 0x186a, 0x30d4, 0x493e, 0x61a8, 0x7a12, 0x927c /* 200ms-1200ms */
+};
+
+enum rtl8188e_tx_rpt_timing {
+ DEFAULT_TIMING = 0,
+ INCREASE_TIMING,
+ DECREASE_TIMING
+};
+
+static int rtl8188eu_identify_chip(struct rtl8xxxu_priv *priv)
+{
+ struct device *dev = &priv->udev->dev;
+ u32 sys_cfg, vendor;
+ int ret = 0;
+
+ strscpy(priv->chip_name, "8188EU", sizeof(priv->chip_name));
+ priv->rtl_chip = RTL8188E;
+ priv->rf_paths = 1;
+ priv->rx_paths = 1;
+ priv->tx_paths = 1;
+ priv->has_wifi = 1;
+
+ 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");
+ return -EOPNOTSUPP;
+ }
+
+ /*
+ * TODO: At a glance, I cut requires a different firmware,
+ * different initialisation tables, and no software rate
+ * control. The vendor driver is not configured to handle
+ * I cut chips by default. Are there any in the wild?
+ */
+ if (priv->chip_cut == 8) {
+ dev_info(dev, "RTL8188EU cut I is not supported. Please complain about it at linux-wireless@vger.kernel.org.\n");
+ return -EOPNOTSUPP;
+ }
+
+ vendor = sys_cfg & SYS_CFG_VENDOR_ID;
+ rtl8xxxu_identify_vendor_1bit(priv, vendor);
+
+ ret = rtl8xxxu_config_endpoints_no_sie(priv);
+
+ return ret;
+}
+
+static void rtl8188eu_config_channel(struct ieee80211_hw *hw)
+{
+ struct rtl8xxxu_priv *priv = hw->priv;
+ u32 val32, rsr;
+ u8 opmode;
+ int sec_ch_above, channel;
+ int i;
+
+ opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE);
+ rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
+ channel = hw->conf.chandef.chan->hw_value;
+
+ switch (hw->conf.chandef.width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ case NL80211_CHAN_WIDTH_20:
+ opmode |= BW_OPMODE_20MHZ;
+ rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
+
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
+ val32 &= ~FPGA_RF_MODE;
+ rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
+
+ val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
+ val32 &= ~FPGA_RF_MODE;
+ rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ if (hw->conf.chandef.center_freq1 >
+ hw->conf.chandef.chan->center_freq) {
+ sec_ch_above = 1;
+ channel += 2;
+ } else {
+ sec_ch_above = 0;
+ channel -= 2;
+ }
+
+ opmode &= ~BW_OPMODE_20MHZ;
+ rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
+ rsr &= ~RSR_RSC_BANDWIDTH_40M;
+ if (sec_ch_above)
+ rsr |= RSR_RSC_LOWER_SUB_CHANNEL;
+ else
+ rsr |= RSR_RSC_UPPER_SUB_CHANNEL;
+ rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, rsr);
+
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
+ val32 |= FPGA_RF_MODE;
+ rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
+
+ val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
+ val32 |= FPGA_RF_MODE;
+ rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
+
+ /*
+ * Set Control channel to upper or lower. These settings
+ * are required only for 40MHz
+ */
+ val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM);
+ val32 &= ~CCK0_SIDEBAND;
+ if (!sec_ch_above)
+ val32 |= CCK0_SIDEBAND;
+ rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32);
+
+ val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF);
+ val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */
+ if (sec_ch_above)
+ val32 |= OFDM_LSTF_PRIME_CH_LOW;
+ else
+ val32 |= OFDM_LSTF_PRIME_CH_HIGH;
+ rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32);
+
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
+ val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL);
+ if (sec_ch_above)
+ val32 |= FPGA0_PS_UPPER_CHANNEL;
+ else
+ val32 |= FPGA0_PS_LOWER_CHANNEL;
+ rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
+ break;
+
+ default:
+ break;
+ }
+
+ for (i = RF_A; i < priv->rf_paths; i++) {
+ val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
+ u32p_replace_bits(&val32, channel, MODE_AG_CHANNEL_MASK);
+ rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
+ }
+
+ for (i = RF_A; i < priv->rf_paths; i++) {
+ val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
+ val32 &= ~MODE_AG_BW_MASK;
+ if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40)
+ val32 |= MODE_AG_BW_40MHZ_8723B;
+ else
+ val32 |= MODE_AG_BW_20MHZ_8723B;
+ rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
+ }
+}
+
+static void rtl8188eu_init_aggregation(struct rtl8xxxu_priv *priv)
+{
+ u8 agg_ctrl, usb_spec;
+
+ usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
+ usb_spec &= ~USB_SPEC_USB_AGG_ENABLE;
+ rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec);
+
+ agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
+ agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
+ rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
+}
+
+static int rtl8188eu_parse_efuse(struct rtl8xxxu_priv *priv)
+{
+ struct rtl8188eu_efuse *efuse = &priv->efuse_wifi.efuse8188eu;
+
+ 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->ht40_1s_tx_power_index_A,
+ efuse->tx_power_index_A.ht40_base,
+ sizeof(efuse->tx_power_index_A.ht40_base));
+
+ priv->default_crystal_cap = efuse->xtal_k & 0x3f;
+
+ return 0;
+}
+
+static void rtl8188eu_reset_8051(struct rtl8xxxu_priv *priv)
+{
+ u16 sys_func;
+
+ sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
+ sys_func &= ~SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+
+ sys_func |= SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+}
+
+static int rtl8188eu_load_firmware(struct rtl8xxxu_priv *priv)
+{
+ const char *fw_name;
+ int ret;
+
+ fw_name = "rtlwifi/rtl8188eufw.bin";
+
+ ret = rtl8xxxu_load_firmware(priv, fw_name);
+
+ return ret;
+}
+
+static void rtl8188eu_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);
+
+ /*
+ * Per vendor driver, run power sequence before init of RF
+ */
+ val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
+ rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
+
+ val8 = SYS_FUNC_USBA | SYS_FUNC_USBD |
+ SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB;
+ rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
+
+ rtl8xxxu_init_phy_regs(priv, rtl8188eu_phy_init_table);
+ rtl8xxxu_init_phy_regs(priv, rtl8188e_agc_table);
+}
+
+static int rtl8188eu_init_phy_rf(struct rtl8xxxu_priv *priv)
+{
+ return rtl8xxxu_init_phy_rf(priv, rtl8188eu_radioa_init_table, RF_A);
+}
+
+static int rtl8188eu_iqk_path_a(struct rtl8xxxu_priv *priv)
+{
+ u32 reg_eac, reg_e94, reg_e9c;
+ int result = 0;
+
+ /* Path A IQK setting */
+ rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1c);
+ rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x30008c1c);
+
+ rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x8214032a);
+ rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000);
+
+ /* 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 rtl8188eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
+{
+ u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
+ int result = 0;
+
+ /* Leave IQK mode */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+
+ /* 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, 0xf117b);
+
+ /* Enter IQK mode */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0x808000, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+
+ /* TX IQK setting */
+ rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
+ rtl8xxxu_write32(priv, REG_RX_IQK, 0x81004800);
+
+ /* path-A IQK setting */
+ rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1c);
+ rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x30008c1c);
+
+ rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160804);
+ rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000);
+
+ /* 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
+ goto out;
+
+ val32 = 0x80007c00 |
+ (reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff);
+ rtl8xxxu_write32(priv, REG_TX_IQK, val32);
+
+ /* Modify RX IQK mode table */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+
+ 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, 0xf7ffa);
+
+ /* Enter IQK mode */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0x808000, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+
+ /* IQK setting */
+ rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
+
+ /* Path A IQK setting */
+ rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x30008c1c);
+ rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1c);
+
+ rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c05);
+ rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c05);
+
+ /* 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);
+
+ reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
+ reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
+
+ 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 void rtl8188eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
+ int result[][8], int t)
+{
+ struct device *dev = &priv->udev->dev;
+ u32 i, val32;
+ int path_a_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
+ };
+
+ /*
+ * 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);
+
+ if (t == 0) {
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1);
+ priv->pi_enabled = u32_get_bits(val32, FPGA0_HSSI_PARM1_PI);
+ }
+
+ if (!priv->pi_enabled) {
+ /* Switch BB to PI mode to do IQ Calibration. */
+ rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000100);
+ rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000100);
+ }
+
+ /* MAC settings */
+ rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
+
+ val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
+ u32p_replace_bits(&val32, 0xf, 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, 0x22204000);
+
+ if (!priv->no_pape) {
+ 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);
+
+ /* Page B init */
+ rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x0f600000);
+
+ /* IQ calibration setting */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0x808000, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+ rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
+ rtl8xxxu_write32(priv, REG_RX_IQK, 0x81004800);
+
+ for (i = 0; i < retry; i++) {
+ path_a_ok = rtl8188eu_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 = rtl8188eu_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__);
+
+ /* Back to BB mode, load original value */
+ val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
+ u32p_replace_bits(&val32, 0, 0xffffff00);
+ rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
+
+ if (t == 0)
+ return;
+
+ if (!priv->pi_enabled) {
+ /* Switch back BB to SI mode after finishing IQ Calibration */
+ rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000000);
+ rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000000);
+ }
+
+ /* 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 */
+ rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00032ed3);
+
+ /* 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 rtl8188eu_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;
+ 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));
+ result[3][0] = 0x100;
+ result[3][2] = 0x100;
+ result[3][4] = 0x100;
+ result[3][6] = 0x100;
+
+ candidate = -1;
+
+ path_a_ok = false;
+
+ for (i = 0; i < 3; i++) {
+ rtl8188eu_phy_iqcalibrate(priv, result, i);
+
+ if (i == 1) {
+ simu = rtl8xxxu_simularity_compare(priv,
+ result, 0, 1);
+ if (simu) {
+ candidate = 0;
+ break;
+ }
+ }
+
+ if (i == 2) {
+ simu = rtl8xxxu_simularity_compare(priv,
+ result, 0, 2);
+ if (simu) {
+ candidate = 0;
+ break;
+ }
+
+ simu = rtl8xxxu_simularity_compare(priv,
+ result, 1, 2);
+ if (simu)
+ candidate = 1;
+ else
+ candidate = 3;
+ }
+ }
+
+ 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;
+ } else {
+ reg_e94 = 0x100;
+ reg_eb4 = 0x100;
+ priv->rege94 = 0x100;
+ priv->regeb4 = 0x100;
+ reg_e9c = 0x0;
+ reg_ebc = 0x0;
+ priv->rege9c = 0x0;
+ priv->regebc = 0x0;
+ }
+
+ if (reg_e94 && candidate >= 0)
+ rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
+ candidate, (reg_ea4 == 0));
+
+ rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
+ priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
+}
+
+static void rtl8188e_disabled_to_emu(struct rtl8xxxu_priv *priv)
+{
+ u16 val16;
+
+ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
+ val16 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
+ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
+}
+
+static int rtl8188e_emu_to_active(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u32 val32;
+ u16 val16;
+ int count, ret = 0;
+
+ /* 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;
+ }
+
+ /* reset baseband */
+ val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
+ val8 &= ~(SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN);
+ rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
+
+ /*0x24[23] = 2b'01 schmit trigger */
+ val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL);
+ val32 |= BIT(23);
+ rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32);
+
+ /* 0x04[15] = 0 disable HWPDN (control by DRV)*/
+ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
+ val16 &= ~APS_FSMCO_HW_POWERDOWN;
+ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
+
+ /*0x04[12:11] = 2b'00 disable WL suspend*/
+ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
+ val16 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
+ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
+
+ /* 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;
+ }
+
+ /* LDO normal mode*/
+ val8 = rtl8xxxu_read8(priv, REG_LPLDO_CTRL);
+ val8 &= ~BIT(4);
+ rtl8xxxu_write8(priv, REG_LPLDO_CTRL, val8);
+
+exit:
+ return ret;
+}
+
+static int rtl8188eu_active_to_emu(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+
+ /* Turn off RF */
+ val8 = rtl8xxxu_read8(priv, REG_RF_CTRL);
+ val8 &= ~RF_ENABLE;
+ rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
+
+ /* LDO Sleep mode */
+ val8 = rtl8xxxu_read8(priv, REG_LPLDO_CTRL);
+ val8 |= BIT(4);
+ rtl8xxxu_write8(priv, REG_LPLDO_CTRL, val8);
+
+ return 0;
+}
+
+static int rtl8188eu_emu_to_disabled(struct rtl8xxxu_priv *priv)
+{
+ u32 val32;
+ u16 val16;
+ u8 val8;
+
+ val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL);
+ val32 |= BIT(23);
+ rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32);
+
+ val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
+ val16 &= ~APS_FSMCO_PCIE;
+ val16 |= APS_FSMCO_HW_SUSPEND;
+ rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
+
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 3, 0x00);
+
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG + 1);
+ val8 &= ~BIT(4);
+ rtl8xxxu_write8(priv, REG_GPIO_MUXCFG + 1, val8);
+
+ /* Set USB suspend enable local register 0xfe10[4]=1 */
+ val8 = rtl8xxxu_read8(priv, 0xfe10);
+ val8 |= BIT(4);
+ rtl8xxxu_write8(priv, 0xfe10, val8);
+
+ return 0;
+}
+
+static int rtl8188eu_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, 0x7f);
+
+ retry = 100;
+ retval = -EBUSY;
+ /* Poll 32 bit wide REG_SCH_TX_CMD for 0 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 MAC TRX */
+ val16 = rtl8xxxu_read16(priv, REG_CR);
+ val16 |= 0xff;
+ val16 &= ~(CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | 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 rtl8188eu_power_on(struct rtl8xxxu_priv *priv)
+{
+ u16 val16;
+ int ret;
+
+ rtl8188e_disabled_to_emu(priv);
+
+ ret = rtl8188e_emu_to_active(priv);
+ if (ret)
+ goto exit;
+
+ /*
+ * Enable MAC DMA/WMAC/SCHEDULE/SEC block
+ * Set CR bit10 to enable 32k calibration.
+ * We do not set CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE here
+ * due to a hardware bug in the 88E, requiring those to be
+ * set after REG_TRXFF_BNDY is set. If not the RXFF bundary
+ * will get set to a larger buffer size than the real buffer
+ * size.
+ */
+ val16 = (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
+ CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
+ CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
+ CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
+ rtl8xxxu_write16(priv, REG_CR, val16);
+
+exit:
+ return ret;
+}
+
+static void rtl8188eu_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);
+
+ rtl8188eu_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);
+
+ /* 32K_CTRL looks to be very 8188e specific */
+ val8 = rtl8xxxu_read8(priv, REG_32K_CTRL);
+ val8 &= ~BIT(0);
+ rtl8xxxu_write8(priv, REG_32K_CTRL, val8);
+
+ rtl8188eu_active_to_emu(priv);
+ rtl8188eu_emu_to_disabled(priv);
+
+ /* Reset MCU IO Wrapper */
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
+ val8 &= ~BIT(3);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
+ val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
+ val8 |= BIT(3);
+ rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
+
+ /* Vendor driver refers to GPIO_IN */
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_PIN_CTRL);
+ /* Vendor driver refers to GPIO_OUT */
+ rtl8xxxu_write8(priv, REG_GPIO_PIN_CTRL + 1, val8);
+ rtl8xxxu_write8(priv, REG_GPIO_PIN_CTRL + 2, 0xff);
+
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL);
+ rtl8xxxu_write8(priv, REG_GPIO_IO_SEL, val8 << 4);
+ val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL + 1);
+ rtl8xxxu_write8(priv, REG_GPIO_IO_SEL + 1, val8 | 0x0f);
+
+ /*
+ * Set LNA, TRSW, EX_PA Pin to output mode
+ * Referred to as REG_BB_PAD_CTRL in 8188eu vendor driver
+ */
+ rtl8xxxu_write32(priv, REG_PAD_CTRL1, 0x00080808);
+
+ rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x00);
+
+ rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, 0x00000000);
+}
+
+static void rtl8188e_enable_rf(struct rtl8xxxu_priv *priv)
+{
+ u32 val32;
+
+ rtl8xxxu_write8(priv, REG_RF_CTRL, RF_ENABLE | RF_RSTB | RF_SDMRSTB);
+
+ val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
+ val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK);
+ val32 |= OFDM_RF_PATH_RX_A | OFDM_RF_PATH_TX_A;
+ rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
+
+ rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
+}
+
+static void rtl8188e_disable_rf(struct rtl8xxxu_priv *priv)
+{
+ u32 val32;
+
+ val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
+ val32 &= ~OFDM_RF_PATH_TX_MASK;
+ rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
+
+ /* Power down RF module */
+ rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0);
+
+ rtl8188eu_active_to_emu(priv);
+}
+
+static void rtl8188e_usb_quirks(struct rtl8xxxu_priv *priv)
+{
+ u16 val16;
+
+ /*
+ * Technically this is not a USB quirk, but a chip quirk.
+ * This has to be done after REG_TRXFF_BNDY is set, see
+ * rtl8188eu_power_on() for details.
+ */
+ val16 = rtl8xxxu_read16(priv, REG_CR);
+ val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE);
+ rtl8xxxu_write16(priv, REG_CR, val16);
+
+ rtl8xxxu_gen2_usb_quirks(priv);
+
+ /* Pre-TX enable WEP/TKIP security */
+ rtl8xxxu_write8(priv, REG_EARLY_MODE_CONTROL_8188E + 3, 0x01);
+}
+
+static s8 rtl8188e_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats)
+{
+ /* only use lna 0/1/2/3/7 */
+ static const s8 lna_gain_table_0[8] = {17, -1, -13, -29, -32, -35, -38, -41};
+ /* only use lna 3/7 */
+ static const s8 lna_gain_table_1[8] = {29, 20, 12, 3, -6, -15, -24, -33};
+
+ u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a;
+ 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->chip_cut >= 8) /* cut I */ /* SMIC */
+ lna_gain = lna_gain_table_0[lna_idx];
+ else /* TSMC */
+ lna_gain = lna_gain_table_1[lna_idx];
+
+ rx_pwr_all = lna_gain - (2 * vga_idx);
+
+ return rx_pwr_all;
+}
+
+static int rtl8188eu_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_LEDCFG2);
+
+ if (brightness == LED_OFF) {
+ ledcfg &= ~LEDCFG2_HW_LED_CONTROL;
+ ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE;
+ } else if (brightness == LED_ON) {
+ ledcfg &= ~(LEDCFG2_HW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE);
+ ledcfg |= LEDCFG2_SW_LED_CONTROL;
+ } else if (brightness == RTL8XXXU_HW_LED_CONTROL) {
+ ledcfg &= ~LEDCFG2_SW_LED_DISABLE;
+ ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE;
+ }
+
+ rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg);
+
+ return 0;
+}
+
+static void rtl8188e_set_tx_rpt_timing(struct rtl8xxxu_ra_info *ra, u8 timing)
+{
+ u8 idx;
+
+ for (idx = 0; idx < 5; idx++)
+ if (dynamic_tx_rpt_timing[idx] == ra->rpt_time)
+ break;
+
+ if (timing == DEFAULT_TIMING) {
+ idx = 0; /* 200ms */
+ } else if (timing == INCREASE_TIMING) {
+ if (idx < 5)
+ idx++;
+ } else if (timing == DECREASE_TIMING) {
+ if (idx > 0)
+ idx--;
+ }
+
+ ra->rpt_time = dynamic_tx_rpt_timing[idx];
+}
+
+static void rtl8188e_rate_down(struct rtl8xxxu_ra_info *ra)
+{
+ u8 rate_id = ra->pre_rate;
+ u8 lowest_rate = ra->lowest_rate;
+ u8 highest_rate = ra->highest_rate;
+ s8 i;
+
+ if (rate_id > highest_rate) {
+ rate_id = highest_rate;
+ } else if (ra->rate_sgi) {
+ ra->rate_sgi = 0;
+ } else if (rate_id > lowest_rate) {
+ if (rate_id > 0) {
+ for (i = rate_id - 1; i >= lowest_rate; i--) {
+ if (ra->ra_use_rate & BIT(i)) {
+ rate_id = i;
+ goto rate_down_finish;
+ }
+ }
+ }
+ } else if (rate_id <= lowest_rate) {
+ rate_id = lowest_rate;
+ }
+
+rate_down_finish:
+ if (ra->ra_waiting_counter == 1) {
+ ra->ra_waiting_counter++;
+ ra->ra_pending_counter++;
+ } else if (ra->ra_waiting_counter > 1) {
+ ra->ra_waiting_counter = 0;
+ ra->ra_pending_counter = 0;
+ }
+
+ if (ra->ra_pending_counter >= 4)
+ ra->ra_pending_counter = 4;
+
+ ra->ra_drop_after_down = 1;
+
+ ra->decision_rate = rate_id;
+
+ rtl8188e_set_tx_rpt_timing(ra, DECREASE_TIMING);
+}
+
+static void rtl8188e_rate_up(struct rtl8xxxu_ra_info *ra)
+{
+ u8 rate_id = ra->pre_rate;
+ u8 highest_rate = ra->highest_rate;
+ u8 i;
+
+ if (ra->ra_waiting_counter == 1) {
+ ra->ra_waiting_counter = 0;
+ ra->ra_pending_counter = 0;
+ } else if (ra->ra_waiting_counter > 1) {
+ ra->pre_rssi_sta_ra = ra->rssi_sta_ra;
+ goto rate_up_finish;
+ }
+
+ rtl8188e_set_tx_rpt_timing(ra, DEFAULT_TIMING);
+
+ if (rate_id < highest_rate) {
+ for (i = rate_id + 1; i <= highest_rate; i++) {
+ if (ra->ra_use_rate & BIT(i)) {
+ rate_id = i;
+ goto rate_up_finish;
+ }
+ }
+ } else if (rate_id == highest_rate) {
+ if (ra->sgi_enable && !ra->rate_sgi)
+ ra->rate_sgi = 1;
+ else if (!ra->sgi_enable)
+ ra->rate_sgi = 0;
+ } else { /* rate_id > ra->highest_rate */
+ rate_id = highest_rate;
+ }
+
+rate_up_finish:
+ if (ra->ra_waiting_counter == (4 + pending_for_rate_up_fail[ra->ra_pending_counter]))
+ ra->ra_waiting_counter = 0;
+ else
+ ra->ra_waiting_counter++;
+
+ ra->decision_rate = rate_id;
+}
+
+static void rtl8188e_reset_ra_counter(struct rtl8xxxu_ra_info *ra)
+{
+ u8 rate_id = ra->decision_rate;
+
+ ra->nsc_up = (n_threshold_high[rate_id] + n_threshold_low[rate_id]) >> 1;
+ ra->nsc_down = (n_threshold_high[rate_id] + n_threshold_low[rate_id]) >> 1;
+}
+
+static void rtl8188e_rate_decision(struct rtl8xxxu_ra_info *ra)
+{
+ struct rtl8xxxu_priv *priv = container_of(ra, struct rtl8xxxu_priv, ra_info);
+ const u8 *retry_penalty_idx_0;
+ const u8 *retry_penalty_idx_1;
+ const u8 *retry_penalty_up_idx;
+ u8 rate_id, penalty_id1, penalty_id2;
+ int i;
+
+ if (ra->total == 0)
+ return;
+
+ if (ra->ra_drop_after_down) {
+ ra->ra_drop_after_down--;
+
+ rtl8188e_reset_ra_counter(ra);
+
+ return;
+ }
+
+ if (priv->chip_cut == 8) { /* cut I */
+ retry_penalty_idx_0 = retry_penalty_idx_cut_i[0];
+ retry_penalty_idx_1 = retry_penalty_idx_cut_i[1];
+ retry_penalty_up_idx = retry_penalty_up_idx_cut_i;
+ } else {
+ retry_penalty_idx_0 = retry_penalty_idx_normal[0];
+ retry_penalty_idx_1 = retry_penalty_idx_normal[1];
+ retry_penalty_up_idx = retry_penalty_up_idx_normal;
+ }
+
+ if (ra->rssi_sta_ra < (ra->pre_rssi_sta_ra - 3) ||
+ ra->rssi_sta_ra > (ra->pre_rssi_sta_ra + 3)) {
+ ra->pre_rssi_sta_ra = ra->rssi_sta_ra;
+ ra->ra_waiting_counter = 0;
+ ra->ra_pending_counter = 0;
+ }
+
+ /* Start RA decision */
+ if (ra->pre_rate > ra->highest_rate)
+ rate_id = ra->highest_rate;
+ else
+ rate_id = ra->pre_rate;
+
+ /* rate down */
+ if (ra->rssi_sta_ra > rssi_threshold[rate_id])
+ penalty_id1 = retry_penalty_idx_0[rate_id];
+ else
+ penalty_id1 = retry_penalty_idx_1[rate_id];
+
+ for (i = 0; i < 5; i++)
+ ra->nsc_down += ra->retry[i] * retry_penalty[penalty_id1][i];
+
+ if (ra->nsc_down > (ra->total * retry_penalty[penalty_id1][5]))
+ ra->nsc_down -= ra->total * retry_penalty[penalty_id1][5];
+ else
+ ra->nsc_down = 0;
+
+ /* rate up */
+ penalty_id2 = retry_penalty_up_idx[rate_id];
+
+ for (i = 0; i < 5; i++)
+ ra->nsc_up += ra->retry[i] * retry_penalty[penalty_id2][i];
+
+ if (ra->nsc_up > (ra->total * retry_penalty[penalty_id2][5]))
+ ra->nsc_up -= ra->total * retry_penalty[penalty_id2][5];
+ else
+ ra->nsc_up = 0;
+
+ if (ra->nsc_down < n_threshold_low[rate_id] ||
+ ra->drop > dropping_necessary[rate_id]) {
+ rtl8188e_rate_down(ra);
+
+ rtl8xxxu_update_ra_report(&priv->ra_report, ra->decision_rate,
+ ra->rate_sgi, priv->ra_report.txrate.bw);
+ } else if (ra->nsc_up > n_threshold_high[rate_id]) {
+ rtl8188e_rate_up(ra);
+
+ rtl8xxxu_update_ra_report(&priv->ra_report, ra->decision_rate,
+ ra->rate_sgi, priv->ra_report.txrate.bw);
+ }
+
+ if (ra->decision_rate == ra->pre_rate)
+ ra->dynamic_tx_rpt_timing_counter++;
+ else
+ ra->dynamic_tx_rpt_timing_counter = 0;
+
+ if (ra->dynamic_tx_rpt_timing_counter >= 4) {
+ /* Rate didn't change 4 times, extend RPT timing */
+ rtl8188e_set_tx_rpt_timing(ra, INCREASE_TIMING);
+ ra->dynamic_tx_rpt_timing_counter = 0;
+ }
+
+ ra->pre_rate = ra->decision_rate;
+
+ rtl8188e_reset_ra_counter(ra);
+}
+
+static void rtl8188e_power_training_try_state(struct rtl8xxxu_ra_info *ra)
+{
+ ra->pt_try_state = 0;
+ switch (ra->pt_mode_ss) {
+ case 3:
+ if (ra->decision_rate >= DESC_RATE_MCS13)
+ ra->pt_try_state = 1;
+ break;
+ case 2:
+ if (ra->decision_rate >= DESC_RATE_MCS5)
+ ra->pt_try_state = 1;
+ break;
+ case 1:
+ if (ra->decision_rate >= DESC_RATE_48M)
+ ra->pt_try_state = 1;
+ break;
+ case 0:
+ if (ra->decision_rate >= DESC_RATE_11M)
+ ra->pt_try_state = 1;
+ break;
+ default:
+ break;
+ }
+
+ if (ra->rssi_sta_ra < 48) {
+ ra->pt_stage = 0;
+ } else if (ra->pt_try_state == 1) {
+ if ((ra->pt_stop_count >= 10) ||
+ (ra->pt_pre_rssi > ra->rssi_sta_ra + 5) ||
+ (ra->pt_pre_rssi < ra->rssi_sta_ra - 5) ||
+ (ra->decision_rate != ra->pt_pre_rate)) {
+ if (ra->pt_stage == 0)
+ ra->pt_stage = 1;
+ else if (ra->pt_stage == 1)
+ ra->pt_stage = 3;
+ else
+ ra->pt_stage = 5;
+
+ ra->pt_pre_rssi = ra->rssi_sta_ra;
+ ra->pt_stop_count = 0;
+ } else {
+ ra->ra_stage = 0;
+ ra->pt_stop_count++;
+ }
+ } else {
+ ra->pt_stage = 0;
+ ra->ra_stage = 0;
+ }
+
+ ra->pt_pre_rate = ra->decision_rate;
+
+ /* TODO: implement the "false alarm" statistics for this */
+ /* Disable power training when noisy environment */
+ /* if (p_dm_odm->is_disable_power_training) { */
+ if (1) {
+ ra->pt_stage = 0;
+ ra->ra_stage = 0;
+ ra->pt_stop_count = 0;
+ }
+}
+
+static void rtl8188e_power_training_decision(struct rtl8xxxu_ra_info *ra)
+{
+ u8 temp_stage;
+ u32 numsc;
+ u32 num_total;
+ u8 stage_id;
+ u8 j;
+
+ numsc = 0;
+ num_total = ra->total * pt_penalty[5];
+ for (j = 0; j <= 4; j++) {
+ numsc += ra->retry[j] * pt_penalty[j];
+
+ if (numsc > num_total)
+ break;
+ }
+
+ j >>= 1;
+ temp_stage = (ra->pt_stage + 1) >> 1;
+ if (temp_stage > j)
+ stage_id = temp_stage - j;
+ else
+ stage_id = 0;
+
+ ra->pt_smooth_factor = (ra->pt_smooth_factor >> 1) +
+ (ra->pt_smooth_factor >> 2) +
+ stage_id * 16 + 2;
+ if (ra->pt_smooth_factor > 192)
+ ra->pt_smooth_factor = 192;
+ stage_id = ra->pt_smooth_factor >> 6;
+ temp_stage = stage_id * 2;
+ if (temp_stage != 0)
+ temp_stage--;
+ if (ra->drop > 3)
+ temp_stage = 0;
+ ra->pt_stage = temp_stage;
+}
+
+void rtl8188e_handle_ra_tx_report2(struct rtl8xxxu_priv *priv, struct sk_buff *skb)
+{
+ u32 *_rx_desc = (u32 *)(skb->data - sizeof(struct rtl8xxxu_rxdesc16));
+ struct rtl8xxxu_rxdesc16 *rx_desc = (struct rtl8xxxu_rxdesc16 *)_rx_desc;
+ struct device *dev = &priv->udev->dev;
+ struct rtl8xxxu_ra_info *ra = &priv->ra_info;
+ u32 tx_rpt_len = rx_desc->pktlen & 0x3ff;
+ u32 items = tx_rpt_len / TX_RPT2_ITEM_SIZE;
+ u64 macid_valid = ((u64)_rx_desc[5] << 32) | _rx_desc[4];
+ u32 macid;
+ u8 *rpt = skb->data;
+ bool valid;
+ u16 min_rpt_time = 0x927c;
+
+ dev_dbg(dev, "%s: len: %d items: %d\n", __func__, tx_rpt_len, items);
+
+ /* We only use macid 0, so only the first item is relevant.
+ * AP mode will use more of them if it's ever implemented.
+ */
+ if (!priv->vifs[0] || priv->vifs[0]->type == NL80211_IFTYPE_STATION)
+ items = 1;
+
+ for (macid = 0; macid < items; macid++) {
+ valid = false;
+
+ if (macid < 64)
+ valid = macid_valid & BIT(macid);
+
+ if (valid) {
+ ra->retry[0] = le16_to_cpu(*(__le16 *)rpt);
+ ra->retry[1] = rpt[2];
+ ra->retry[2] = rpt[3];
+ ra->retry[3] = rpt[4];
+ ra->retry[4] = rpt[5];
+ ra->drop = rpt[6];
+ ra->total = ra->retry[0] + ra->retry[1] + ra->retry[2] +
+ ra->retry[3] + ra->retry[4] + ra->drop;
+
+ if (ra->total > 0) {
+ if (ra->ra_stage < 5)
+ rtl8188e_rate_decision(ra);
+ else if (ra->ra_stage == 5)
+ rtl8188e_power_training_try_state(ra);
+ else /* ra->ra_stage == 6 */
+ rtl8188e_power_training_decision(ra);
+
+ if (ra->ra_stage <= 5)
+ ra->ra_stage++;
+ else
+ ra->ra_stage = 0;
+ }
+ } else if (macid == 0) {
+ dev_warn(dev, "%s: TX report item 0 not valid\n", __func__);
+ }
+
+ dev_dbg(dev, "%s: valid: %d retry: %d %d %d %d %d drop: %d\n",
+ __func__, valid,
+ ra->retry[0], ra->retry[1], ra->retry[2],
+ ra->retry[3], ra->retry[4], ra->drop);
+
+ if (min_rpt_time > ra->rpt_time)
+ min_rpt_time = ra->rpt_time;
+
+ rpt += TX_RPT2_ITEM_SIZE;
+ }
+
+ if (min_rpt_time != ra->pre_min_rpt_time) {
+ rtl8xxxu_write16(priv, REG_TX_REPORT_TIME, min_rpt_time);
+ ra->pre_min_rpt_time = min_rpt_time;
+ }
+}
+
+static void rtl8188e_arfb_refresh(struct rtl8xxxu_ra_info *ra)
+{
+ s8 i;
+
+ ra->ra_use_rate = ra->rate_mask;
+
+ /* Highest rate */
+ if (ra->ra_use_rate) {
+ for (i = RATESIZE; i >= 0; i--) {
+ if (ra->ra_use_rate & BIT(i)) {
+ ra->highest_rate = i;
+ break;
+ }
+ }
+ } else {
+ ra->highest_rate = 0;
+ }
+
+ /* Lowest rate */
+ if (ra->ra_use_rate) {
+ for (i = 0; i < RATESIZE; i++) {
+ if (ra->ra_use_rate & BIT(i)) {
+ ra->lowest_rate = i;
+ break;
+ }
+ }
+ } else {
+ ra->lowest_rate = 0;
+ }
+
+ if (ra->highest_rate > DESC_RATE_MCS7)
+ ra->pt_mode_ss = 3;
+ else if (ra->highest_rate > DESC_RATE_54M)
+ ra->pt_mode_ss = 2;
+ else if (ra->highest_rate > DESC_RATE_11M)
+ ra->pt_mode_ss = 1;
+ else
+ ra->pt_mode_ss = 0;
+}
+
+static void
+rtl8188e_update_rate_mask(struct rtl8xxxu_priv *priv,
+ u32 ramask, u8 rateid, int sgi, int txbw_40mhz,
+ u8 macid)
+{
+ struct rtl8xxxu_ra_info *ra = &priv->ra_info;
+
+ ra->rate_id = rateid;
+ ra->rate_mask = ramask;
+ ra->sgi_enable = sgi;
+
+ rtl8188e_arfb_refresh(ra);
+}
+
+static void rtl8188e_ra_set_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi)
+{
+ priv->ra_info.rssi_sta_ra = rssi;
+}
+
+void rtl8188e_ra_info_init_all(struct rtl8xxxu_ra_info *ra)
+{
+ ra->decision_rate = DESC_RATE_MCS7;
+ ra->pre_rate = DESC_RATE_MCS7;
+ ra->highest_rate = DESC_RATE_MCS7;
+ ra->lowest_rate = 0;
+ ra->rate_id = 0;
+ ra->rate_mask = 0xfffff;
+ ra->rssi_sta_ra = 0;
+ ra->pre_rssi_sta_ra = 0;
+ ra->sgi_enable = 0;
+ ra->ra_use_rate = 0xfffff;
+ ra->nsc_down = (n_threshold_high[DESC_RATE_MCS7] + n_threshold_low[DESC_RATE_MCS7]) / 2;
+ ra->nsc_up = (n_threshold_high[DESC_RATE_MCS7] + n_threshold_low[DESC_RATE_MCS7]) / 2;
+ ra->rate_sgi = 0;
+ ra->rpt_time = 0x927c;
+ ra->drop = 0;
+ ra->retry[0] = 0;
+ ra->retry[1] = 0;
+ ra->retry[2] = 0;
+ ra->retry[3] = 0;
+ ra->retry[4] = 0;
+ ra->total = 0;
+ ra->ra_waiting_counter = 0;
+ ra->ra_pending_counter = 0;
+ ra->ra_drop_after_down = 0;
+
+ ra->pt_try_state = 0;
+ ra->pt_stage = 5;
+ ra->pt_smooth_factor = 192;
+ ra->pt_stop_count = 0;
+ ra->pt_pre_rate = 0;
+ ra->pt_pre_rssi = 0;
+ ra->pt_mode_ss = 0;
+ ra->ra_stage = 0;
+}
+
+struct rtl8xxxu_fileops rtl8188eu_fops = {
+ .identify_chip = rtl8188eu_identify_chip,
+ .parse_efuse = rtl8188eu_parse_efuse,
+ .load_firmware = rtl8188eu_load_firmware,
+ .power_on = rtl8188eu_power_on,
+ .power_off = rtl8188eu_power_off,
+ .read_efuse = rtl8xxxu_read_efuse,
+ .reset_8051 = rtl8188eu_reset_8051,
+ .llt_init = rtl8xxxu_init_llt_table,
+ .init_phy_bb = rtl8188eu_init_phy_bb,
+ .init_phy_rf = rtl8188eu_init_phy_rf,
+ .phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
+ .phy_iq_calibrate = rtl8188eu_phy_iq_calibrate,
+ .config_channel = rtl8188eu_config_channel,
+ .parse_rx_desc = rtl8xxxu_parse_rxdesc16,
+ .parse_phystats = rtl8723au_rx_parse_phystats,
+ .init_aggregation = rtl8188eu_init_aggregation,
+ .enable_rf = rtl8188e_enable_rf,
+ .disable_rf = rtl8188e_disable_rf,
+ .usb_quirks = rtl8188e_usb_quirks,
+ .set_tx_power = rtl8188f_set_tx_power,
+ .update_rate_mask = rtl8188e_update_rate_mask,
+ .report_connect = rtl8xxxu_gen2_report_connect,
+ .report_rssi = rtl8188e_ra_set_rssi,
+ .fill_txdesc = rtl8xxxu_fill_txdesc_v3,
+ .set_crystal_cap = rtl8188f_set_crystal_cap,
+ .cck_rssi = rtl8188e_cck_rssi,
+ .led_classdev_brightness_set = rtl8188eu_led_brightness_set,
+ .writeN_block_size = 128,
+ .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
+ .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
+ .has_tx_report = 1,
+ .init_reg_pkt_life_time = 1,
+ .gen2_thermal_meter = 1,
+ .max_sec_cam_num = 32,
+ .adda_1t_init = 0x0b1b25a0,
+ .adda_1t_path_on = 0x0bdb25a0,
+ /*
+ * Use 9K for 8188e normal chip
+ * Max RX buffer = 10K - max(TxReportSize(64*8), WOLPattern(16*24))
+ */
+ .trxff_boundary = 0x25ff,
+ .pbp_rx = PBP_PAGE_SIZE_128,
+ .pbp_tx = PBP_PAGE_SIZE_128,
+ .mactable = rtl8188e_mac_init_table,
+ .total_page_num = TX_TOTAL_PAGE_NUM_8188E,
+ .page_num_hi = TX_PAGE_NUM_HI_PQ_8188E,
+ .page_num_lo = TX_PAGE_NUM_LO_PQ_8188E,
+ .page_num_norm = TX_PAGE_NUM_NORM_PQ_8188E,
+ .last_llt_entry = 175,
+};