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// 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 <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"
#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_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;
}
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,
.writeN_block_size = 128,
.rx_agg_buf_size = 16000,
.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
.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 = rtl8xxxu_gen1_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
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