drivers/net/wireless/realtek/rtl8xxxu/8192c.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * RTL8XXXU mac80211 USB driver - 8188c/8188r/8192c 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 "regs.h"
 #include "rtl8xxxu.h"

 #ifdef CONFIG_RTL8XXXU_UNTESTED
 static struct rtl8xxxu_power_base rtl8192c_power_base = {
 	.reg_0e00 = 0x07090c0c,
 	.reg_0e04 = 0x01020405,
 	.reg_0e08 = 0x00000000,
 	.reg_086c = 0x00000000,

 	.reg_0e10 = 0x0b0c0c0e,
 	.reg_0e14 = 0x01030506,
 	.reg_0e18 = 0x0b0c0d0e,
 	.reg_0e1c = 0x01030509,

 	.reg_0830 = 0x07090c0c,
 	.reg_0834 = 0x01020405,
 	.reg_0838 = 0x00000000,
 	.reg_086c_2 = 0x00000000,

 	.reg_083c = 0x0b0c0d0e,
 	.reg_0848 = 0x01030509,
 	.reg_084c = 0x0b0c0d0e,
 	.reg_0868 = 0x01030509,
 };

 static struct rtl8xxxu_power_base rtl8188r_power_base = {
 	.reg_0e00 = 0x06080808,
 	.reg_0e04 = 0x00040406,
 	.reg_0e08 = 0x00000000,
 	.reg_086c = 0x00000000,

 	.reg_0e10 = 0x04060608,
 	.reg_0e14 = 0x00020204,
 	.reg_0e18 = 0x04060608,
 	.reg_0e1c = 0x00020204,

 	.reg_0830 = 0x06080808,
 	.reg_0834 = 0x00040406,
 	.reg_0838 = 0x00000000,
 	.reg_086c_2 = 0x00000000,

 	.reg_083c = 0x04060608,
 	.reg_0848 = 0x00020204,
 	.reg_084c = 0x04060608,
 	.reg_0868 = 0x00020204,
 };

 static const struct rtl8xxxu_reg8val rtl8192cu_mac_init_table[] = {
 	{0x420, 0x80}, {0x423, 0x00}, {0x430, 0x00}, {0x431, 0x00},
 	{0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
 	{0x436, 0x06}, {0x437, 0x07}, {0x438, 0x00}, {0x439, 0x00},
 	{0x43a, 0x00}, {0x43b, 0x01}, {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}, {0x462, 0x08},
 	{0x463, 0x03}, {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},
 	{0x515, 0x10}, {0x516, 0x0a}, {0x517, 0x10}, {0x51a, 0x16},
 	{0x524, 0x0f}, {0x525, 0x4f}, {0x546, 0x40}, {0x547, 0x00},
 	{0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55a, 0x02},
 	{0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
 	{0x652, 0x20}, {0x652, 0x20}, {0x63c, 0x08}, {0x63d, 0x08},
 	{0x63e, 0x0c}, {0x63f, 0x0c}, {0x66e, 0x05}, {0x700, 0x21},
 	{0x701, 0x43}, {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21},
 	{0x709, 0x43}, {0x70a, 0x65}, {0x70b, 0x87},
 	{0xffff, 0xff},
 };

 static const struct rtl8xxxu_rfregval rtl8192cu_radioa_2t_init_table[] = {
 	{0x00, 0x00030159}, {0x01, 0x00031284},
 	{0x02, 0x00098000}, {0x03, 0x00018c63},
 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 	{0x19, 0x00000000}, {0x1a, 0x00010255},
 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
 	{0x21, 0x0006c000}, {0x22, 0x00000000},
 	{0x23, 0x00001558}, {0x24, 0x00000060},
 	{0x25, 0x00000483}, {0x26, 0x0004f000},
 	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
 	{0x29, 0x00004783}, {0x2a, 0x00000001},
 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
 	{0x10, 0x00000000}, {0x11, 0x00000000},
 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
 	{0x10, 0x0009000f}, {0x11, 0x00023100},
 	{0x12, 0x00032000}, {0x12, 0x00071000},
 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
 	{0x13, 0x000287b3}, {0x13, 0x000244b7},
 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
 	{0x13, 0x00018493}, {0x13, 0x0001429b},
 	{0x13, 0x00010299}, {0x13, 0x0000c29c},
 	{0x13, 0x000081a0}, {0x13, 0x000040ac},
 	{0x13, 0x00000020}, {0x14, 0x0001944c},
 	{0x14, 0x00059444}, {0x14, 0x0009944c},
 	{0x14, 0x000d9444}, {0x15, 0x0000f424},
 	{0x15, 0x0004f424}, {0x15, 0x0008f424},
 	{0x15, 0x000cf424}, {0x16, 0x000e0330},
 	{0x16, 0x000a0330}, {0x16, 0x00060330},
 	{0x16, 0x00020330}, {0x00, 0x00010159},
 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
 	{0x00, 0x00030159},
 	{0xff, 0xffffffff}
 };

 static const struct rtl8xxxu_rfregval rtl8192cu_radiob_2t_init_table[] = {
 	{0x00, 0x00030159}, {0x01, 0x00031284},
 	{0x02, 0x00098000}, {0x03, 0x00018c63},
 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 	{0x12, 0x00032000}, {0x12, 0x00071000},
 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
 	{0x13, 0x000287af}, {0x13, 0x000244b7},
 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
 	{0x13, 0x00018493}, {0x13, 0x00014297},
 	{0x13, 0x00010295}, {0x13, 0x0000c298},
 	{0x13, 0x0000819c}, {0x13, 0x000040a8},
 	{0x13, 0x0000001c}, {0x14, 0x0001944c},
 	{0x14, 0x00059444}, {0x14, 0x0009944c},
 	{0x14, 0x000d9444}, {0x15, 0x0000f424},
 	{0x15, 0x0004f424}, {0x15, 0x0008f424},
 	{0x15, 0x000cf424}, {0x16, 0x000e0330},
 	{0x16, 0x000a0330}, {0x16, 0x00060330},
 	{0x16, 0x00020330},
 	{0xff, 0xffffffff}
 };

 static const struct rtl8xxxu_rfregval rtl8192cu_radioa_1t_init_table[] = {
 	{0x00, 0x00030159}, {0x01, 0x00031284},
 	{0x02, 0x00098000}, {0x03, 0x00018c63},
 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 	{0x19, 0x00000000}, {0x1a, 0x00010255},
 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
 	{0x21, 0x0006c000}, {0x22, 0x00000000},
 	{0x23, 0x00001558}, {0x24, 0x00000060},
 	{0x25, 0x00000483}, {0x26, 0x0004f000},
 	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
 	{0x29, 0x00004783}, {0x2a, 0x00000001},
 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
 	{0x10, 0x00000000}, {0x11, 0x00000000},
 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
 	{0x10, 0x0009000f}, {0x11, 0x00023100},
 	{0x12, 0x00032000}, {0x12, 0x00071000},
 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
 	{0x13, 0x000287b3}, {0x13, 0x000244b7},
 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
 	{0x13, 0x00018493}, {0x13, 0x0001429b},
 	{0x13, 0x00010299}, {0x13, 0x0000c29c},
 	{0x13, 0x000081a0}, {0x13, 0x000040ac},
 	{0x13, 0x00000020}, {0x14, 0x0001944c},
 	{0x14, 0x00059444}, {0x14, 0x0009944c},
 	{0x14, 0x000d9444}, {0x15, 0x0000f405},
 	{0x15, 0x0004f405}, {0x15, 0x0008f405},
 	{0x15, 0x000cf405}, {0x16, 0x000e0330},
 	{0x16, 0x000a0330}, {0x16, 0x00060330},
 	{0x16, 0x00020330}, {0x00, 0x00010159},
 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
 	{0x00, 0x00030159},
 	{0xff, 0xffffffff}
 };

 static const struct rtl8xxxu_rfregval rtl8188ru_radioa_1t_highpa_table[] = {
 	{0x00, 0x00030159}, {0x01, 0x00031284},
 	{0x02, 0x00098000}, {0x03, 0x00018c63},
 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
 	{0x0a, 0x0001adb0}, {0x0b, 0x00054867},
 	{0x0c, 0x0008992e}, {0x0d, 0x0000e529},
 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 	{0x19, 0x00000000}, {0x1a, 0x00000255},
 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
 	{0x21, 0x0006c000}, {0x22, 0x0000083c},
 	{0x23, 0x00001558}, {0x24, 0x00000060},
 	{0x25, 0x00000483}, {0x26, 0x0004f000},
 	{0x27, 0x000ec7d9}, {0x28, 0x000977c0},
 	{0x29, 0x00004783}, {0x2a, 0x00000001},
 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
 	{0x10, 0x00000000}, {0x11, 0x00000000},
 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
 	{0x10, 0x0009000f}, {0x11, 0x00023100},
 	{0x12, 0x000d8000}, {0x12, 0x00090000},
 	{0x12, 0x00051000}, {0x12, 0x00012000},
 	{0x13, 0x00028fb4}, {0x13, 0x00024fa8},
 	{0x13, 0x000207a4}, {0x13, 0x0001c3b0},
 	{0x13, 0x000183a4}, {0x13, 0x00014398},
 	{0x13, 0x000101a4}, {0x13, 0x0000c198},
 	{0x13, 0x000080a4}, {0x13, 0x00004098},
 	{0x13, 0x00000000}, {0x14, 0x0001944c},
 	{0x14, 0x00059444}, {0x14, 0x0009944c},
 	{0x14, 0x000d9444}, {0x15, 0x0000f405},
 	{0x15, 0x0004f405}, {0x15, 0x0008f405},
 	{0x15, 0x000cf405}, {0x16, 0x000e0330},
 	{0x16, 0x000a0330}, {0x16, 0x00060330},
 	{0x16, 0x00020330}, {0x00, 0x00010159},
 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
 	{0x00, 0x00030159},
 	{0xff, 0xffffffff}
 };

 static int rtl8192cu_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;
 	}

 	if (sys_cfg & SYS_CFG_TYPE_ID) {
 		bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
 		bonding &= HPON_FSM_BONDING_MASK;
 		if (bonding == HPON_FSM_BONDING_1T2R) {
 			strscpy(priv->chip_name, "8191CU", sizeof(priv->chip_name));
 			priv->tx_paths = 1;
 			priv->usb_interrupts = 1;
 			priv->rtl_chip = RTL8191C;
 		} else {
 			strscpy(priv->chip_name, "8192CU", sizeof(priv->chip_name));
 			priv->tx_paths = 2;
 			priv->usb_interrupts = 0;
 			priv->rtl_chip = RTL8192C;
 		}
 		priv->rf_paths = 2;
 		priv->rx_paths = 2;
 	} else {
 		strscpy(priv->chip_name, "8188CU", sizeof(priv->chip_name));
 		priv->rf_paths = 1;
 		priv->rx_paths = 1;
 		priv->tx_paths = 1;
 		priv->rtl_chip = RTL8188C;
 		priv->usb_interrupts = 0;
 	}
 	priv->has_wifi = 1;

 	vendor = sys_cfg & SYS_CFG_VENDOR_ID;
 	rtl8xxxu_identify_vendor_1bit(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 int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv)
 {
 	const char *fw_name;
 	int ret;

 	if (!priv->vendor_umc)
 		fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
 	else if (priv->chip_cut || priv->rtl_chip == RTL8192C)
 		fw_name = "rtlwifi/rtl8192cufw_B.bin";
 	else
 		fw_name = "rtlwifi/rtl8192cufw_A.bin";

 	ret = rtl8xxxu_load_firmware(priv, fw_name);

 	return ret;
 }

 static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv)
 {
 	struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192;

 	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->cck_tx_power_index_A,
 	       sizeof(efuse->cck_tx_power_index_A));
 	memcpy(priv->cck_tx_power_index_B,
 	       efuse->cck_tx_power_index_B,
 	       sizeof(efuse->cck_tx_power_index_B));

 	memcpy(priv->ht40_1s_tx_power_index_A,
 	       efuse->ht40_1s_tx_power_index_A,
 	       sizeof(efuse->ht40_1s_tx_power_index_A));
 	memcpy(priv->ht40_1s_tx_power_index_B,
 	       efuse->ht40_1s_tx_power_index_B,
 	       sizeof(efuse->ht40_1s_tx_power_index_B));
 	memcpy(priv->ht40_2s_tx_power_index_diff,
 	       efuse->ht40_2s_tx_power_index_diff,
 	       sizeof(efuse->ht40_2s_tx_power_index_diff));

 	memcpy(priv->ht20_tx_power_index_diff,
 	       efuse->ht20_tx_power_index_diff,
 	       sizeof(efuse->ht20_tx_power_index_diff));
 	memcpy(priv->ofdm_tx_power_index_diff,
 	       efuse->ofdm_tx_power_index_diff,
 	       sizeof(efuse->ofdm_tx_power_index_diff));

 	memcpy(priv->ht40_max_power_offset,
 	       efuse->ht40_max_power_offset,
 	       sizeof(efuse->ht40_max_power_offset));
 	memcpy(priv->ht20_max_power_offset,
 	       efuse->ht20_max_power_offset,
 	       sizeof(efuse->ht20_max_power_offset));

 	priv->power_base = &rtl8192c_power_base;

 	if (efuse->rf_regulatory & 0x20) {
 		strscpy(priv->chip_name, "8188RU", sizeof(priv->chip_name));
 		priv->rtl_chip = RTL8188R;
 		priv->hi_pa = 1;
 		priv->no_pape = 1;
 		priv->power_base = &rtl8188r_power_base;
 	}

 	return 0;
 }

 static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv)
 {
 	const struct rtl8xxxu_rfregval *rftable;
 	int ret;

 	if (priv->rtl_chip == RTL8188R) {
 		rftable = rtl8188ru_radioa_1t_highpa_table;
 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 	} else if (priv->rf_paths == 1) {
 		rftable = rtl8192cu_radioa_1t_init_table;
 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 	} else {
 		rftable = rtl8192cu_radioa_2t_init_table;
 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 		if (ret)
 			goto exit;
 		rftable = rtl8192cu_radiob_2t_init_table;
 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_B);
 	}

 exit:
 	return ret;
 }

 static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv)
 {
 	u8 val8;
 	u16 val16;
 	u32 val32;
 	int i;

 	for (i = 100; i; i--) {
 		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
 		if (val8 & APS_FSMCO_PFM_ALDN)
 			break;
 	}

 	if (!i) {
 		pr_info("%s: Poll failed\n", __func__);
 		return -ENODEV;
 	}

 	/*
 	 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
 	 */
 	rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
 	rtl8xxxu_write8(priv, REG_SPS0_CTRL, 0x2b);
 	udelay(100);

 	val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL);
 	if (!(val8 & LDOV12D_ENABLE)) {
 		pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8);
 		val8 |= LDOV12D_ENABLE;
 		rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val8);

 		udelay(100);

 		val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
 		val8 &= ~SYS_ISO_MD2PP;
 		rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
 	}

 	/*
 	 * Auto enable WLAN
 	 */
 	val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
 	val16 |= APS_FSMCO_MAC_ENABLE;
 	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);

 	for (i = 1000; i; i--) {
 		val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
 		if (!(val16 & APS_FSMCO_MAC_ENABLE))
 			break;
 	}
 	if (!i) {
 		pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__);
 		return -EBUSY;
 	}

 	/*
 	 * Enable radio, GPIO, LED
 	 */
 	val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN |
 		APS_FSMCO_PFM_ALDN;
 	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);

 	/*
 	 * Release RF digital isolation
 	 */
 	val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
 	val16 &= ~SYS_ISO_DIOR;
 	rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16);

 	val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
 	val8 &= ~APSD_CTRL_OFF;
 	rtl8xxxu_write8(priv, REG_APSD_CTRL, val8);
 	for (i = 200; i; i--) {
 		val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
 		if (!(val8 & APSD_CTRL_OFF_STATUS))
 			break;
 	}

 	if (!i) {
 		pr_info("%s: APSD_CTRL poll failed\n", __func__);
 		return -EBUSY;
 	}

 	/*
 	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
 	 */
 	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;
 	rtl8xxxu_write16(priv, REG_CR, val16);

 	rtl8xxxu_write8(priv, 0xfe10, 0x19);

 	/*
 	 * Workaround for 8188RU LNA power leakage problem.
 	 */
 	if (priv->rtl_chip == RTL8188R) {
 		val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM);
 		val32 &= ~BIT(1);
 		rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32);
 	}
 	return 0;
 }

 static int rtl8192cu_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_LEDCFG0);

 	if (brightness == LED_OFF)
 		ledcfg = LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE;
 	else if (brightness == LED_ON)
 		ledcfg = LEDCFG2_SW_LED_CONTROL;
 	else if (brightness == RTL8XXXU_HW_LED_CONTROL)
 		ledcfg = LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE;

 	rtl8xxxu_write8(priv, REG_LEDCFG0, ledcfg);

 	return 0;
 }

 struct rtl8xxxu_fileops rtl8192cu_fops = {
 	.identify_chip = rtl8192cu_identify_chip,
 	.parse_efuse = rtl8192cu_parse_efuse,
 	.load_firmware = rtl8192cu_load_firmware,
 	.power_on = rtl8192cu_power_on,
 	.power_off = rtl8xxxu_power_off,
 	.read_efuse = rtl8xxxu_read_efuse,
 	.reset_8051 = rtl8xxxu_reset_8051,
 	.llt_init = rtl8xxxu_init_llt_table,
 	.init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
 	.init_phy_rf = rtl8192cu_init_phy_rf,
 	.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
 	.phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
 	.config_channel = rtl8xxxu_gen1_config_channel,
 	.parse_rx_desc = rtl8xxxu_parse_rxdesc16,
 	.parse_phystats = rtl8723au_rx_parse_phystats,
 	.init_aggregation = rtl8xxxu_gen1_init_aggregation,
 	.enable_rf = rtl8xxxu_gen1_enable_rf,
 	.disable_rf = rtl8xxxu_gen1_disable_rf,
 	.usb_quirks = rtl8xxxu_gen1_usb_quirks,
 	.set_tx_power = rtl8xxxu_gen1_set_tx_power,
 	.update_rate_mask = rtl8xxxu_update_rate_mask,
 	.report_connect = rtl8xxxu_gen1_report_connect,
 	.report_rssi = rtl8xxxu_gen1_report_rssi,
 	.fill_txdesc = rtl8xxxu_fill_txdesc_v1,
 	.cck_rssi = rtl8723a_cck_rssi,
 	.led_classdev_brightness_set = rtl8192cu_led_brightness_set,
 	.writeN_block_size = 128,
 	.rx_agg_buf_size = 16000,
 	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
 	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
 	.max_sec_cam_num = 32,
 	.adda_1t_init = 0x0b1b25a0,
 	.adda_1t_path_on = 0x0bdb25a0,
 	.adda_2t_path_on_a = 0x04db25a4,
 	.adda_2t_path_on_b = 0x0b1b25a4,
 	.trxff_boundary = 0x27ff,
 	.pbp_rx = PBP_PAGE_SIZE_128,
 	.pbp_tx = PBP_PAGE_SIZE_128,
 	.mactable = rtl8192cu_mac_init_table,
 	.total_page_num = TX_TOTAL_PAGE_NUM,
 	.page_num_hi = TX_PAGE_NUM_HI_PQ,
 	.page_num_lo = TX_PAGE_NUM_LO_PQ,
 	.page_num_norm = TX_PAGE_NUM_NORM_PQ,
 };
 #endif