mirror of https://gitee.com/openkylin/linux.git
6925 lines
160 KiB
C
6925 lines
160 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
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*/
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#include <linux/signal.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/usb.h>
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#include <linux/crc32.h>
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#include <linux/if_vlan.h>
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#include <linux/uaccess.h>
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#include <linux/list.h>
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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#include <net/ip6_checksum.h>
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#include <uapi/linux/mdio.h>
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#include <linux/mdio.h>
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#include <linux/usb/cdc.h>
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#include <linux/suspend.h>
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#include <linux/atomic.h>
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#include <linux/acpi.h>
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#include <linux/firmware.h>
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#include <crypto/hash.h>
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/* Information for net-next */
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#define NETNEXT_VERSION "11"
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/* Information for net */
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#define NET_VERSION "11"
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#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
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#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
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#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
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#define MODULENAME "r8152"
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#define R8152_PHY_ID 32
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#define PLA_IDR 0xc000
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#define PLA_RCR 0xc010
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#define PLA_RMS 0xc016
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#define PLA_RXFIFO_CTRL0 0xc0a0
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#define PLA_RXFIFO_CTRL1 0xc0a4
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#define PLA_RXFIFO_CTRL2 0xc0a8
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#define PLA_DMY_REG0 0xc0b0
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#define PLA_FMC 0xc0b4
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#define PLA_CFG_WOL 0xc0b6
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#define PLA_TEREDO_CFG 0xc0bc
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#define PLA_TEREDO_WAKE_BASE 0xc0c4
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#define PLA_MAR 0xcd00
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#define PLA_BACKUP 0xd000
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#define PLA_BDC_CR 0xd1a0
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#define PLA_TEREDO_TIMER 0xd2cc
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#define PLA_REALWOW_TIMER 0xd2e8
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#define PLA_UPHY_TIMER 0xd388
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#define PLA_SUSPEND_FLAG 0xd38a
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#define PLA_INDICATE_FALG 0xd38c
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#define PLA_MACDBG_PRE 0xd38c /* RTL_VER_04 only */
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#define PLA_MACDBG_POST 0xd38e /* RTL_VER_04 only */
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#define PLA_EXTRA_STATUS 0xd398
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#define PLA_EFUSE_DATA 0xdd00
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#define PLA_EFUSE_CMD 0xdd02
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#define PLA_LEDSEL 0xdd90
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#define PLA_LED_FEATURE 0xdd92
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#define PLA_PHYAR 0xde00
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#define PLA_BOOT_CTRL 0xe004
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#define PLA_LWAKE_CTRL_REG 0xe007
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#define PLA_GPHY_INTR_IMR 0xe022
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#define PLA_EEE_CR 0xe040
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#define PLA_EEEP_CR 0xe080
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#define PLA_MAC_PWR_CTRL 0xe0c0
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#define PLA_MAC_PWR_CTRL2 0xe0ca
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#define PLA_MAC_PWR_CTRL3 0xe0cc
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#define PLA_MAC_PWR_CTRL4 0xe0ce
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#define PLA_WDT6_CTRL 0xe428
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#define PLA_TCR0 0xe610
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#define PLA_TCR1 0xe612
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#define PLA_MTPS 0xe615
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#define PLA_TXFIFO_CTRL 0xe618
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#define PLA_RSTTALLY 0xe800
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#define PLA_CR 0xe813
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#define PLA_CRWECR 0xe81c
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#define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
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#define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
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#define PLA_CONFIG5 0xe822
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#define PLA_PHY_PWR 0xe84c
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#define PLA_OOB_CTRL 0xe84f
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#define PLA_CPCR 0xe854
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#define PLA_MISC_0 0xe858
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#define PLA_MISC_1 0xe85a
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#define PLA_OCP_GPHY_BASE 0xe86c
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#define PLA_TALLYCNT 0xe890
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#define PLA_SFF_STS_7 0xe8de
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#define PLA_PHYSTATUS 0xe908
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#define PLA_CONFIG6 0xe90a /* CONFIG6 */
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#define PLA_BP_BA 0xfc26
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#define PLA_BP_0 0xfc28
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#define PLA_BP_1 0xfc2a
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#define PLA_BP_2 0xfc2c
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#define PLA_BP_3 0xfc2e
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#define PLA_BP_4 0xfc30
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#define PLA_BP_5 0xfc32
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#define PLA_BP_6 0xfc34
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#define PLA_BP_7 0xfc36
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#define PLA_BP_EN 0xfc38
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#define USB_USB2PHY 0xb41e
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#define USB_SSPHYLINK1 0xb426
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#define USB_SSPHYLINK2 0xb428
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#define USB_U2P3_CTRL 0xb460
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#define USB_CSR_DUMMY1 0xb464
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#define USB_CSR_DUMMY2 0xb466
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#define USB_DEV_STAT 0xb808
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#define USB_CONNECT_TIMER 0xcbf8
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#define USB_MSC_TIMER 0xcbfc
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#define USB_BURST_SIZE 0xcfc0
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#define USB_FW_FIX_EN0 0xcfca
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#define USB_FW_FIX_EN1 0xcfcc
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#define USB_LPM_CONFIG 0xcfd8
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#define USB_CSTMR 0xcfef /* RTL8153A */
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#define USB_FW_CTRL 0xd334 /* RTL8153B */
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#define USB_FC_TIMER 0xd340
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#define USB_USB_CTRL 0xd406
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#define USB_PHY_CTRL 0xd408
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#define USB_TX_AGG 0xd40a
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#define USB_RX_BUF_TH 0xd40c
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#define USB_USB_TIMER 0xd428
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#define USB_RX_EARLY_TIMEOUT 0xd42c
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#define USB_RX_EARLY_SIZE 0xd42e
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#define USB_PM_CTRL_STATUS 0xd432 /* RTL8153A */
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#define USB_RX_EXTRA_AGGR_TMR 0xd432 /* RTL8153B */
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#define USB_TX_DMA 0xd434
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#define USB_UPT_RXDMA_OWN 0xd437
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#define USB_TOLERANCE 0xd490
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#define USB_LPM_CTRL 0xd41a
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#define USB_BMU_RESET 0xd4b0
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#define USB_U1U2_TIMER 0xd4da
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#define USB_FW_TASK 0xd4e8 /* RTL8153B */
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#define USB_UPS_CTRL 0xd800
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#define USB_POWER_CUT 0xd80a
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#define USB_MISC_0 0xd81a
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#define USB_MISC_1 0xd81f
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#define USB_AFE_CTRL2 0xd824
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#define USB_UPS_CFG 0xd842
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#define USB_UPS_FLAGS 0xd848
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#define USB_WDT1_CTRL 0xe404
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#define USB_WDT11_CTRL 0xe43c
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#define USB_BP_BA PLA_BP_BA
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#define USB_BP_0 PLA_BP_0
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#define USB_BP_1 PLA_BP_1
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#define USB_BP_2 PLA_BP_2
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#define USB_BP_3 PLA_BP_3
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#define USB_BP_4 PLA_BP_4
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#define USB_BP_5 PLA_BP_5
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#define USB_BP_6 PLA_BP_6
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#define USB_BP_7 PLA_BP_7
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#define USB_BP_EN PLA_BP_EN /* RTL8153A */
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#define USB_BP_8 0xfc38 /* RTL8153B */
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#define USB_BP_9 0xfc3a
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#define USB_BP_10 0xfc3c
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#define USB_BP_11 0xfc3e
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#define USB_BP_12 0xfc40
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#define USB_BP_13 0xfc42
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#define USB_BP_14 0xfc44
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#define USB_BP_15 0xfc46
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#define USB_BP2_EN 0xfc48
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/* OCP Registers */
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#define OCP_ALDPS_CONFIG 0x2010
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#define OCP_EEE_CONFIG1 0x2080
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#define OCP_EEE_CONFIG2 0x2092
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#define OCP_EEE_CONFIG3 0x2094
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#define OCP_BASE_MII 0xa400
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#define OCP_EEE_AR 0xa41a
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#define OCP_EEE_DATA 0xa41c
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#define OCP_PHY_STATUS 0xa420
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#define OCP_NCTL_CFG 0xa42c
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#define OCP_POWER_CFG 0xa430
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#define OCP_EEE_CFG 0xa432
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#define OCP_SRAM_ADDR 0xa436
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#define OCP_SRAM_DATA 0xa438
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#define OCP_DOWN_SPEED 0xa442
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#define OCP_EEE_ABLE 0xa5c4
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#define OCP_EEE_ADV 0xa5d0
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#define OCP_EEE_LPABLE 0xa5d2
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#define OCP_PHY_STATE 0xa708 /* nway state for 8153 */
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#define OCP_PHY_PATCH_STAT 0xb800
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#define OCP_PHY_PATCH_CMD 0xb820
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#define OCP_PHY_LOCK 0xb82e
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#define OCP_ADC_IOFFSET 0xbcfc
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#define OCP_ADC_CFG 0xbc06
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#define OCP_SYSCLK_CFG 0xc416
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/* SRAM Register */
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#define SRAM_GREEN_CFG 0x8011
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#define SRAM_LPF_CFG 0x8012
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#define SRAM_10M_AMP1 0x8080
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#define SRAM_10M_AMP2 0x8082
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#define SRAM_IMPEDANCE 0x8084
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#define SRAM_PHY_LOCK 0xb82e
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/* PLA_RCR */
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#define RCR_AAP 0x00000001
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#define RCR_APM 0x00000002
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#define RCR_AM 0x00000004
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#define RCR_AB 0x00000008
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#define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
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/* PLA_RXFIFO_CTRL0 */
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#define RXFIFO_THR1_NORMAL 0x00080002
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#define RXFIFO_THR1_OOB 0x01800003
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/* PLA_RXFIFO_CTRL1 */
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#define RXFIFO_THR2_FULL 0x00000060
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#define RXFIFO_THR2_HIGH 0x00000038
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#define RXFIFO_THR2_OOB 0x0000004a
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#define RXFIFO_THR2_NORMAL 0x00a0
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/* PLA_RXFIFO_CTRL2 */
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#define RXFIFO_THR3_FULL 0x00000078
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#define RXFIFO_THR3_HIGH 0x00000048
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#define RXFIFO_THR3_OOB 0x0000005a
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#define RXFIFO_THR3_NORMAL 0x0110
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/* PLA_TXFIFO_CTRL */
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#define TXFIFO_THR_NORMAL 0x00400008
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#define TXFIFO_THR_NORMAL2 0x01000008
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/* PLA_DMY_REG0 */
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#define ECM_ALDPS 0x0002
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/* PLA_FMC */
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#define FMC_FCR_MCU_EN 0x0001
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/* PLA_EEEP_CR */
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#define EEEP_CR_EEEP_TX 0x0002
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/* PLA_WDT6_CTRL */
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#define WDT6_SET_MODE 0x0010
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/* PLA_TCR0 */
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#define TCR0_TX_EMPTY 0x0800
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#define TCR0_AUTO_FIFO 0x0080
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/* PLA_TCR1 */
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#define VERSION_MASK 0x7cf0
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/* PLA_MTPS */
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#define MTPS_JUMBO (12 * 1024 / 64)
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#define MTPS_DEFAULT (6 * 1024 / 64)
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/* PLA_RSTTALLY */
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#define TALLY_RESET 0x0001
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/* PLA_CR */
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#define CR_RST 0x10
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#define CR_RE 0x08
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#define CR_TE 0x04
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/* PLA_CRWECR */
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#define CRWECR_NORAML 0x00
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#define CRWECR_CONFIG 0xc0
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/* PLA_OOB_CTRL */
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#define NOW_IS_OOB 0x80
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#define TXFIFO_EMPTY 0x20
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#define RXFIFO_EMPTY 0x10
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#define LINK_LIST_READY 0x02
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#define DIS_MCU_CLROOB 0x01
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#define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
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/* PLA_MISC_1 */
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#define RXDY_GATED_EN 0x0008
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/* PLA_SFF_STS_7 */
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#define RE_INIT_LL 0x8000
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#define MCU_BORW_EN 0x4000
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/* PLA_CPCR */
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#define CPCR_RX_VLAN 0x0040
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/* PLA_CFG_WOL */
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#define MAGIC_EN 0x0001
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/* PLA_TEREDO_CFG */
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#define TEREDO_SEL 0x8000
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#define TEREDO_WAKE_MASK 0x7f00
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#define TEREDO_RS_EVENT_MASK 0x00fe
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#define OOB_TEREDO_EN 0x0001
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/* PLA_BDC_CR */
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#define ALDPS_PROXY_MODE 0x0001
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/* PLA_EFUSE_CMD */
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#define EFUSE_READ_CMD BIT(15)
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#define EFUSE_DATA_BIT16 BIT(7)
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/* PLA_CONFIG34 */
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#define LINK_ON_WAKE_EN 0x0010
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#define LINK_OFF_WAKE_EN 0x0008
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/* PLA_CONFIG6 */
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#define LANWAKE_CLR_EN BIT(0)
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/* PLA_CONFIG5 */
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#define BWF_EN 0x0040
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#define MWF_EN 0x0020
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#define UWF_EN 0x0010
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#define LAN_WAKE_EN 0x0002
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/* PLA_LED_FEATURE */
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#define LED_MODE_MASK 0x0700
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/* PLA_PHY_PWR */
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#define TX_10M_IDLE_EN 0x0080
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#define PFM_PWM_SWITCH 0x0040
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#define TEST_IO_OFF BIT(4)
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/* PLA_MAC_PWR_CTRL */
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#define D3_CLK_GATED_EN 0x00004000
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#define MCU_CLK_RATIO 0x07010f07
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#define MCU_CLK_RATIO_MASK 0x0f0f0f0f
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#define ALDPS_SPDWN_RATIO 0x0f87
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/* PLA_MAC_PWR_CTRL2 */
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#define EEE_SPDWN_RATIO 0x8007
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#define MAC_CLK_SPDWN_EN BIT(15)
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/* PLA_MAC_PWR_CTRL3 */
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#define PLA_MCU_SPDWN_EN BIT(14)
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#define PKT_AVAIL_SPDWN_EN 0x0100
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#define SUSPEND_SPDWN_EN 0x0004
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#define U1U2_SPDWN_EN 0x0002
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#define L1_SPDWN_EN 0x0001
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/* PLA_MAC_PWR_CTRL4 */
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#define PWRSAVE_SPDWN_EN 0x1000
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#define RXDV_SPDWN_EN 0x0800
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#define TX10MIDLE_EN 0x0100
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#define TP100_SPDWN_EN 0x0020
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#define TP500_SPDWN_EN 0x0010
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#define TP1000_SPDWN_EN 0x0008
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#define EEE_SPDWN_EN 0x0001
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/* PLA_GPHY_INTR_IMR */
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#define GPHY_STS_MSK 0x0001
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#define SPEED_DOWN_MSK 0x0002
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#define SPDWN_RXDV_MSK 0x0004
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#define SPDWN_LINKCHG_MSK 0x0008
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/* PLA_PHYAR */
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#define PHYAR_FLAG 0x80000000
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/* PLA_EEE_CR */
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#define EEE_RX_EN 0x0001
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#define EEE_TX_EN 0x0002
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/* PLA_BOOT_CTRL */
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#define AUTOLOAD_DONE 0x0002
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/* PLA_LWAKE_CTRL_REG */
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#define LANWAKE_PIN BIT(7)
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/* PLA_SUSPEND_FLAG */
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#define LINK_CHG_EVENT BIT(0)
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/* PLA_INDICATE_FALG */
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#define UPCOMING_RUNTIME_D3 BIT(0)
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/* PLA_MACDBG_PRE and PLA_MACDBG_POST */
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#define DEBUG_OE BIT(0)
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#define DEBUG_LTSSM 0x0082
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/* PLA_EXTRA_STATUS */
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#define CUR_LINK_OK BIT(15)
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#define U3P3_CHECK_EN BIT(7) /* RTL_VER_05 only */
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#define LINK_CHANGE_FLAG BIT(8)
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#define POLL_LINK_CHG BIT(0)
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/* USB_USB2PHY */
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#define USB2PHY_SUSPEND 0x0001
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#define USB2PHY_L1 0x0002
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/* USB_SSPHYLINK1 */
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#define DELAY_PHY_PWR_CHG BIT(1)
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/* USB_SSPHYLINK2 */
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#define pwd_dn_scale_mask 0x3ffe
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#define pwd_dn_scale(x) ((x) << 1)
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/* USB_CSR_DUMMY1 */
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#define DYNAMIC_BURST 0x0001
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/* USB_CSR_DUMMY2 */
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#define EP4_FULL_FC 0x0001
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/* USB_DEV_STAT */
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#define STAT_SPEED_MASK 0x0006
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#define STAT_SPEED_HIGH 0x0000
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#define STAT_SPEED_FULL 0x0002
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/* USB_FW_FIX_EN0 */
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#define FW_FIX_SUSPEND BIT(14)
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/* USB_FW_FIX_EN1 */
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#define FW_IP_RESET_EN BIT(9)
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/* USB_LPM_CONFIG */
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#define LPM_U1U2_EN BIT(0)
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/* USB_TX_AGG */
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#define TX_AGG_MAX_THRESHOLD 0x03
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/* USB_RX_BUF_TH */
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#define RX_THR_SUPPER 0x0c350180
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#define RX_THR_HIGH 0x7a120180
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#define RX_THR_SLOW 0xffff0180
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#define RX_THR_B 0x00010001
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/* USB_TX_DMA */
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#define TEST_MODE_DISABLE 0x00000001
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#define TX_SIZE_ADJUST1 0x00000100
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/* USB_BMU_RESET */
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#define BMU_RESET_EP_IN 0x01
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#define BMU_RESET_EP_OUT 0x02
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/* USB_UPT_RXDMA_OWN */
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#define OWN_UPDATE BIT(0)
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#define OWN_CLEAR BIT(1)
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/* USB_FW_TASK */
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#define FC_PATCH_TASK BIT(1)
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/* USB_UPS_CTRL */
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#define POWER_CUT 0x0100
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/* USB_PM_CTRL_STATUS */
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#define RESUME_INDICATE 0x0001
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/* USB_CSTMR */
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#define FORCE_SUPER BIT(0)
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/* USB_FW_CTRL */
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#define FLOW_CTRL_PATCH_OPT BIT(1)
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/* USB_FC_TIMER */
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#define CTRL_TIMER_EN BIT(15)
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/* USB_USB_CTRL */
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#define RX_AGG_DISABLE 0x0010
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#define RX_ZERO_EN 0x0080
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/* USB_U2P3_CTRL */
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#define U2P3_ENABLE 0x0001
|
|
|
|
/* USB_POWER_CUT */
|
|
#define PWR_EN 0x0001
|
|
#define PHASE2_EN 0x0008
|
|
#define UPS_EN BIT(4)
|
|
#define USP_PREWAKE BIT(5)
|
|
|
|
/* USB_MISC_0 */
|
|
#define PCUT_STATUS 0x0001
|
|
|
|
/* USB_RX_EARLY_TIMEOUT */
|
|
#define COALESCE_SUPER 85000U
|
|
#define COALESCE_HIGH 250000U
|
|
#define COALESCE_SLOW 524280U
|
|
|
|
/* USB_WDT1_CTRL */
|
|
#define WTD1_EN BIT(0)
|
|
|
|
/* USB_WDT11_CTRL */
|
|
#define TIMER11_EN 0x0001
|
|
|
|
/* USB_LPM_CTRL */
|
|
/* bit 4 ~ 5: fifo empty boundary */
|
|
#define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
|
|
/* bit 2 ~ 3: LMP timer */
|
|
#define LPM_TIMER_MASK 0x0c
|
|
#define LPM_TIMER_500MS 0x04 /* 500 ms */
|
|
#define LPM_TIMER_500US 0x0c /* 500 us */
|
|
#define ROK_EXIT_LPM 0x02
|
|
|
|
/* USB_AFE_CTRL2 */
|
|
#define SEN_VAL_MASK 0xf800
|
|
#define SEN_VAL_NORMAL 0xa000
|
|
#define SEL_RXIDLE 0x0100
|
|
|
|
/* USB_UPS_CFG */
|
|
#define SAW_CNT_1MS_MASK 0x0fff
|
|
|
|
/* USB_UPS_FLAGS */
|
|
#define UPS_FLAGS_R_TUNE BIT(0)
|
|
#define UPS_FLAGS_EN_10M_CKDIV BIT(1)
|
|
#define UPS_FLAGS_250M_CKDIV BIT(2)
|
|
#define UPS_FLAGS_EN_ALDPS BIT(3)
|
|
#define UPS_FLAGS_CTAP_SHORT_DIS BIT(4)
|
|
#define ups_flags_speed(x) ((x) << 16)
|
|
#define UPS_FLAGS_EN_EEE BIT(20)
|
|
#define UPS_FLAGS_EN_500M_EEE BIT(21)
|
|
#define UPS_FLAGS_EN_EEE_CKDIV BIT(22)
|
|
#define UPS_FLAGS_EEE_PLLOFF_100 BIT(23)
|
|
#define UPS_FLAGS_EEE_PLLOFF_GIGA BIT(24)
|
|
#define UPS_FLAGS_EEE_CMOD_LV_EN BIT(25)
|
|
#define UPS_FLAGS_EN_GREEN BIT(26)
|
|
#define UPS_FLAGS_EN_FLOW_CTR BIT(27)
|
|
|
|
enum spd_duplex {
|
|
NWAY_10M_HALF,
|
|
NWAY_10M_FULL,
|
|
NWAY_100M_HALF,
|
|
NWAY_100M_FULL,
|
|
NWAY_1000M_FULL,
|
|
FORCE_10M_HALF,
|
|
FORCE_10M_FULL,
|
|
FORCE_100M_HALF,
|
|
FORCE_100M_FULL,
|
|
};
|
|
|
|
/* OCP_ALDPS_CONFIG */
|
|
#define ENPWRSAVE 0x8000
|
|
#define ENPDNPS 0x0200
|
|
#define LINKENA 0x0100
|
|
#define DIS_SDSAVE 0x0010
|
|
|
|
/* OCP_PHY_STATUS */
|
|
#define PHY_STAT_MASK 0x0007
|
|
#define PHY_STAT_EXT_INIT 2
|
|
#define PHY_STAT_LAN_ON 3
|
|
#define PHY_STAT_PWRDN 5
|
|
|
|
/* OCP_NCTL_CFG */
|
|
#define PGA_RETURN_EN BIT(1)
|
|
|
|
/* OCP_POWER_CFG */
|
|
#define EEE_CLKDIV_EN 0x8000
|
|
#define EN_ALDPS 0x0004
|
|
#define EN_10M_PLLOFF 0x0001
|
|
|
|
/* OCP_EEE_CONFIG1 */
|
|
#define RG_TXLPI_MSK_HFDUP 0x8000
|
|
#define RG_MATCLR_EN 0x4000
|
|
#define EEE_10_CAP 0x2000
|
|
#define EEE_NWAY_EN 0x1000
|
|
#define TX_QUIET_EN 0x0200
|
|
#define RX_QUIET_EN 0x0100
|
|
#define sd_rise_time_mask 0x0070
|
|
#define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
|
|
#define RG_RXLPI_MSK_HFDUP 0x0008
|
|
#define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
|
|
|
|
/* OCP_EEE_CONFIG2 */
|
|
#define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
|
|
#define RG_DACQUIET_EN 0x0400
|
|
#define RG_LDVQUIET_EN 0x0200
|
|
#define RG_CKRSEL 0x0020
|
|
#define RG_EEEPRG_EN 0x0010
|
|
|
|
/* OCP_EEE_CONFIG3 */
|
|
#define fast_snr_mask 0xff80
|
|
#define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
|
|
#define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
|
|
#define MSK_PH 0x0006 /* bit 0 ~ 3 */
|
|
|
|
/* OCP_EEE_AR */
|
|
/* bit[15:14] function */
|
|
#define FUN_ADDR 0x0000
|
|
#define FUN_DATA 0x4000
|
|
/* bit[4:0] device addr */
|
|
|
|
/* OCP_EEE_CFG */
|
|
#define CTAP_SHORT_EN 0x0040
|
|
#define EEE10_EN 0x0010
|
|
|
|
/* OCP_DOWN_SPEED */
|
|
#define EN_EEE_CMODE BIT(14)
|
|
#define EN_EEE_1000 BIT(13)
|
|
#define EN_EEE_100 BIT(12)
|
|
#define EN_10M_CLKDIV BIT(11)
|
|
#define EN_10M_BGOFF 0x0080
|
|
|
|
/* OCP_PHY_STATE */
|
|
#define TXDIS_STATE 0x01
|
|
#define ABD_STATE 0x02
|
|
|
|
/* OCP_PHY_PATCH_STAT */
|
|
#define PATCH_READY BIT(6)
|
|
|
|
/* OCP_PHY_PATCH_CMD */
|
|
#define PATCH_REQUEST BIT(4)
|
|
|
|
/* OCP_PHY_LOCK */
|
|
#define PATCH_LOCK BIT(0)
|
|
|
|
/* OCP_ADC_CFG */
|
|
#define CKADSEL_L 0x0100
|
|
#define ADC_EN 0x0080
|
|
#define EN_EMI_L 0x0040
|
|
|
|
/* OCP_SYSCLK_CFG */
|
|
#define clk_div_expo(x) (min(x, 5) << 8)
|
|
|
|
/* SRAM_GREEN_CFG */
|
|
#define GREEN_ETH_EN BIT(15)
|
|
#define R_TUNE_EN BIT(11)
|
|
|
|
/* SRAM_LPF_CFG */
|
|
#define LPF_AUTO_TUNE 0x8000
|
|
|
|
/* SRAM_10M_AMP1 */
|
|
#define GDAC_IB_UPALL 0x0008
|
|
|
|
/* SRAM_10M_AMP2 */
|
|
#define AMP_DN 0x0200
|
|
|
|
/* SRAM_IMPEDANCE */
|
|
#define RX_DRIVING_MASK 0x6000
|
|
|
|
/* SRAM_PHY_LOCK */
|
|
#define PHY_PATCH_LOCK 0x0001
|
|
|
|
/* MAC PASSTHRU */
|
|
#define AD_MASK 0xfee0
|
|
#define BND_MASK 0x0004
|
|
#define BD_MASK 0x0001
|
|
#define EFUSE 0xcfdb
|
|
#define PASS_THRU_MASK 0x1
|
|
|
|
#define BP4_SUPER_ONLY 0x1578 /* RTL_VER_04 only */
|
|
|
|
enum rtl_register_content {
|
|
_1000bps = 0x10,
|
|
_100bps = 0x08,
|
|
_10bps = 0x04,
|
|
LINK_STATUS = 0x02,
|
|
FULL_DUP = 0x01,
|
|
};
|
|
|
|
#define RTL8152_MAX_TX 4
|
|
#define RTL8152_MAX_RX 10
|
|
#define INTBUFSIZE 2
|
|
#define TX_ALIGN 4
|
|
#define RX_ALIGN 8
|
|
|
|
#define RTL8152_RX_MAX_PENDING 4096
|
|
#define RTL8152_RXFG_HEADSZ 256
|
|
|
|
#define INTR_LINK 0x0004
|
|
|
|
#define RTL8152_REQT_READ 0xc0
|
|
#define RTL8152_REQT_WRITE 0x40
|
|
#define RTL8152_REQ_GET_REGS 0x05
|
|
#define RTL8152_REQ_SET_REGS 0x05
|
|
|
|
#define BYTE_EN_DWORD 0xff
|
|
#define BYTE_EN_WORD 0x33
|
|
#define BYTE_EN_BYTE 0x11
|
|
#define BYTE_EN_SIX_BYTES 0x3f
|
|
#define BYTE_EN_START_MASK 0x0f
|
|
#define BYTE_EN_END_MASK 0xf0
|
|
|
|
#define RTL8153_MAX_PACKET 9216 /* 9K */
|
|
#define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - \
|
|
ETH_FCS_LEN)
|
|
#define RTL8152_RMS (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
|
|
#define RTL8153_RMS RTL8153_MAX_PACKET
|
|
#define RTL8152_TX_TIMEOUT (5 * HZ)
|
|
#define RTL8152_NAPI_WEIGHT 64
|
|
#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + ETH_FCS_LEN + \
|
|
sizeof(struct rx_desc) + RX_ALIGN)
|
|
|
|
/* rtl8152 flags */
|
|
enum rtl8152_flags {
|
|
RTL8152_UNPLUG = 0,
|
|
RTL8152_SET_RX_MODE,
|
|
WORK_ENABLE,
|
|
RTL8152_LINK_CHG,
|
|
SELECTIVE_SUSPEND,
|
|
PHY_RESET,
|
|
SCHEDULE_TASKLET,
|
|
GREEN_ETHERNET,
|
|
DELL_TB_RX_AGG_BUG,
|
|
LENOVO_MACPASSTHRU,
|
|
};
|
|
|
|
/* Define these values to match your device */
|
|
#define VENDOR_ID_REALTEK 0x0bda
|
|
#define VENDOR_ID_MICROSOFT 0x045e
|
|
#define VENDOR_ID_SAMSUNG 0x04e8
|
|
#define VENDOR_ID_LENOVO 0x17ef
|
|
#define VENDOR_ID_LINKSYS 0x13b1
|
|
#define VENDOR_ID_NVIDIA 0x0955
|
|
#define VENDOR_ID_TPLINK 0x2357
|
|
|
|
#define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2 0x3082
|
|
#define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2 0xa387
|
|
|
|
#define MCU_TYPE_PLA 0x0100
|
|
#define MCU_TYPE_USB 0x0000
|
|
|
|
struct tally_counter {
|
|
__le64 tx_packets;
|
|
__le64 rx_packets;
|
|
__le64 tx_errors;
|
|
__le32 rx_errors;
|
|
__le16 rx_missed;
|
|
__le16 align_errors;
|
|
__le32 tx_one_collision;
|
|
__le32 tx_multi_collision;
|
|
__le64 rx_unicast;
|
|
__le64 rx_broadcast;
|
|
__le32 rx_multicast;
|
|
__le16 tx_aborted;
|
|
__le16 tx_underrun;
|
|
};
|
|
|
|
struct rx_desc {
|
|
__le32 opts1;
|
|
#define RX_LEN_MASK 0x7fff
|
|
|
|
__le32 opts2;
|
|
#define RD_UDP_CS BIT(23)
|
|
#define RD_TCP_CS BIT(22)
|
|
#define RD_IPV6_CS BIT(20)
|
|
#define RD_IPV4_CS BIT(19)
|
|
|
|
__le32 opts3;
|
|
#define IPF BIT(23) /* IP checksum fail */
|
|
#define UDPF BIT(22) /* UDP checksum fail */
|
|
#define TCPF BIT(21) /* TCP checksum fail */
|
|
#define RX_VLAN_TAG BIT(16)
|
|
|
|
__le32 opts4;
|
|
__le32 opts5;
|
|
__le32 opts6;
|
|
};
|
|
|
|
struct tx_desc {
|
|
__le32 opts1;
|
|
#define TX_FS BIT(31) /* First segment of a packet */
|
|
#define TX_LS BIT(30) /* Final segment of a packet */
|
|
#define GTSENDV4 BIT(28)
|
|
#define GTSENDV6 BIT(27)
|
|
#define GTTCPHO_SHIFT 18
|
|
#define GTTCPHO_MAX 0x7fU
|
|
#define TX_LEN_MAX 0x3ffffU
|
|
|
|
__le32 opts2;
|
|
#define UDP_CS BIT(31) /* Calculate UDP/IP checksum */
|
|
#define TCP_CS BIT(30) /* Calculate TCP/IP checksum */
|
|
#define IPV4_CS BIT(29) /* Calculate IPv4 checksum */
|
|
#define IPV6_CS BIT(28) /* Calculate IPv6 checksum */
|
|
#define MSS_SHIFT 17
|
|
#define MSS_MAX 0x7ffU
|
|
#define TCPHO_SHIFT 17
|
|
#define TCPHO_MAX 0x7ffU
|
|
#define TX_VLAN_TAG BIT(16)
|
|
};
|
|
|
|
struct r8152;
|
|
|
|
struct rx_agg {
|
|
struct list_head list, info_list;
|
|
struct urb *urb;
|
|
struct r8152 *context;
|
|
struct page *page;
|
|
void *buffer;
|
|
};
|
|
|
|
struct tx_agg {
|
|
struct list_head list;
|
|
struct urb *urb;
|
|
struct r8152 *context;
|
|
void *buffer;
|
|
void *head;
|
|
u32 skb_num;
|
|
u32 skb_len;
|
|
};
|
|
|
|
struct r8152 {
|
|
unsigned long flags;
|
|
struct usb_device *udev;
|
|
struct napi_struct napi;
|
|
struct usb_interface *intf;
|
|
struct net_device *netdev;
|
|
struct urb *intr_urb;
|
|
struct tx_agg tx_info[RTL8152_MAX_TX];
|
|
struct list_head rx_info, rx_used;
|
|
struct list_head rx_done, tx_free;
|
|
struct sk_buff_head tx_queue, rx_queue;
|
|
spinlock_t rx_lock, tx_lock;
|
|
struct delayed_work schedule, hw_phy_work;
|
|
struct mii_if_info mii;
|
|
struct mutex control; /* use for hw setting */
|
|
#ifdef CONFIG_PM_SLEEP
|
|
struct notifier_block pm_notifier;
|
|
#endif
|
|
struct tasklet_struct tx_tl;
|
|
|
|
struct rtl_ops {
|
|
void (*init)(struct r8152 *tp);
|
|
int (*enable)(struct r8152 *tp);
|
|
void (*disable)(struct r8152 *tp);
|
|
void (*up)(struct r8152 *tp);
|
|
void (*down)(struct r8152 *tp);
|
|
void (*unload)(struct r8152 *tp);
|
|
int (*eee_get)(struct r8152 *tp, struct ethtool_eee *eee);
|
|
int (*eee_set)(struct r8152 *tp, struct ethtool_eee *eee);
|
|
bool (*in_nway)(struct r8152 *tp);
|
|
void (*hw_phy_cfg)(struct r8152 *tp);
|
|
void (*autosuspend_en)(struct r8152 *tp, bool enable);
|
|
} rtl_ops;
|
|
|
|
struct ups_info {
|
|
u32 _10m_ckdiv:1;
|
|
u32 _250m_ckdiv:1;
|
|
u32 aldps:1;
|
|
u32 lite_mode:2;
|
|
u32 speed_duplex:4;
|
|
u32 eee:1;
|
|
u32 eee_lite:1;
|
|
u32 eee_ckdiv:1;
|
|
u32 eee_plloff_100:1;
|
|
u32 eee_plloff_giga:1;
|
|
u32 eee_cmod_lv:1;
|
|
u32 green:1;
|
|
u32 flow_control:1;
|
|
u32 ctap_short_off:1;
|
|
} ups_info;
|
|
|
|
#define RTL_VER_SIZE 32
|
|
|
|
struct rtl_fw {
|
|
const char *fw_name;
|
|
const struct firmware *fw;
|
|
|
|
char version[RTL_VER_SIZE];
|
|
int (*pre_fw)(struct r8152 *tp);
|
|
int (*post_fw)(struct r8152 *tp);
|
|
|
|
bool retry;
|
|
} rtl_fw;
|
|
|
|
atomic_t rx_count;
|
|
|
|
bool eee_en;
|
|
int intr_interval;
|
|
u32 saved_wolopts;
|
|
u32 msg_enable;
|
|
u32 tx_qlen;
|
|
u32 coalesce;
|
|
u32 advertising;
|
|
u32 rx_buf_sz;
|
|
u32 rx_copybreak;
|
|
u32 rx_pending;
|
|
|
|
u16 ocp_base;
|
|
u16 speed;
|
|
u16 eee_adv;
|
|
u8 *intr_buff;
|
|
u8 version;
|
|
u8 duplex;
|
|
u8 autoneg;
|
|
};
|
|
|
|
/**
|
|
* struct fw_block - block type and total length
|
|
* @type: type of the current block, such as RTL_FW_END, RTL_FW_PLA,
|
|
* RTL_FW_USB and so on.
|
|
* @length: total length of the current block.
|
|
*/
|
|
struct fw_block {
|
|
__le32 type;
|
|
__le32 length;
|
|
} __packed;
|
|
|
|
/**
|
|
* struct fw_header - header of the firmware file
|
|
* @checksum: checksum of sha256 which is calculated from the whole file
|
|
* except the checksum field of the file. That is, calculate sha256
|
|
* from the version field to the end of the file.
|
|
* @version: version of this firmware.
|
|
* @blocks: the first firmware block of the file
|
|
*/
|
|
struct fw_header {
|
|
u8 checksum[32];
|
|
char version[RTL_VER_SIZE];
|
|
struct fw_block blocks[];
|
|
} __packed;
|
|
|
|
/**
|
|
* struct fw_mac - a firmware block used by RTL_FW_PLA and RTL_FW_USB.
|
|
* The layout of the firmware block is:
|
|
* <struct fw_mac> + <info> + <firmware data>.
|
|
* @fw_offset: offset of the firmware binary data. The start address of
|
|
* the data would be the address of struct fw_mac + @fw_offset.
|
|
* @fw_reg: the register to load the firmware. Depends on chip.
|
|
* @bp_ba_addr: the register to write break point base address. Depends on
|
|
* chip.
|
|
* @bp_ba_value: break point base address. Depends on chip.
|
|
* @bp_en_addr: the register to write break point enabled mask. Depends
|
|
* on chip.
|
|
* @bp_en_value: break point enabled mask. Depends on the firmware.
|
|
* @bp_start: the start register of break points. Depends on chip.
|
|
* @bp_num: the break point number which needs to be set for this firmware.
|
|
* Depends on the firmware.
|
|
* @bp: break points. Depends on firmware.
|
|
* @fw_ver_reg: the register to store the fw version.
|
|
* @fw_ver_data: the firmware version of the current type.
|
|
* @info: additional information for debugging, and is followed by the
|
|
* binary data of firmware.
|
|
*/
|
|
struct fw_mac {
|
|
struct fw_block blk_hdr;
|
|
__le16 fw_offset;
|
|
__le16 fw_reg;
|
|
__le16 bp_ba_addr;
|
|
__le16 bp_ba_value;
|
|
__le16 bp_en_addr;
|
|
__le16 bp_en_value;
|
|
__le16 bp_start;
|
|
__le16 bp_num;
|
|
__le16 bp[16]; /* any value determined by firmware */
|
|
__le32 reserved;
|
|
__le16 fw_ver_reg;
|
|
u8 fw_ver_data;
|
|
char info[];
|
|
} __packed;
|
|
|
|
/**
|
|
* struct fw_phy_patch_key - a firmware block used by RTL_FW_PHY_START.
|
|
* This is used to set patch key when loading the firmware of PHY.
|
|
* @key_reg: the register to write the patch key.
|
|
* @key_data: patch key.
|
|
*/
|
|
struct fw_phy_patch_key {
|
|
struct fw_block blk_hdr;
|
|
__le16 key_reg;
|
|
__le16 key_data;
|
|
__le32 reserved;
|
|
} __packed;
|
|
|
|
/**
|
|
* struct fw_phy_nc - a firmware block used by RTL_FW_PHY_NC.
|
|
* The layout of the firmware block is:
|
|
* <struct fw_phy_nc> + <info> + <firmware data>.
|
|
* @fw_offset: offset of the firmware binary data. The start address of
|
|
* the data would be the address of struct fw_phy_nc + @fw_offset.
|
|
* @fw_reg: the register to load the firmware. Depends on chip.
|
|
* @ba_reg: the register to write the base address. Depends on chip.
|
|
* @ba_data: base address. Depends on chip.
|
|
* @patch_en_addr: the register of enabling patch mode. Depends on chip.
|
|
* @patch_en_value: patch mode enabled mask. Depends on the firmware.
|
|
* @mode_reg: the regitster of switching the mode.
|
|
* @mod_pre: the mode needing to be set before loading the firmware.
|
|
* @mod_post: the mode to be set when finishing to load the firmware.
|
|
* @bp_start: the start register of break points. Depends on chip.
|
|
* @bp_num: the break point number which needs to be set for this firmware.
|
|
* Depends on the firmware.
|
|
* @bp: break points. Depends on firmware.
|
|
* @info: additional information for debugging, and is followed by the
|
|
* binary data of firmware.
|
|
*/
|
|
struct fw_phy_nc {
|
|
struct fw_block blk_hdr;
|
|
__le16 fw_offset;
|
|
__le16 fw_reg;
|
|
__le16 ba_reg;
|
|
__le16 ba_data;
|
|
__le16 patch_en_addr;
|
|
__le16 patch_en_value;
|
|
__le16 mode_reg;
|
|
__le16 mode_pre;
|
|
__le16 mode_post;
|
|
__le16 reserved;
|
|
__le16 bp_start;
|
|
__le16 bp_num;
|
|
__le16 bp[4];
|
|
char info[];
|
|
} __packed;
|
|
|
|
enum rtl_fw_type {
|
|
RTL_FW_END = 0,
|
|
RTL_FW_PLA,
|
|
RTL_FW_USB,
|
|
RTL_FW_PHY_START,
|
|
RTL_FW_PHY_STOP,
|
|
RTL_FW_PHY_NC,
|
|
};
|
|
|
|
enum rtl_version {
|
|
RTL_VER_UNKNOWN = 0,
|
|
RTL_VER_01,
|
|
RTL_VER_02,
|
|
RTL_VER_03,
|
|
RTL_VER_04,
|
|
RTL_VER_05,
|
|
RTL_VER_06,
|
|
RTL_VER_07,
|
|
RTL_VER_08,
|
|
RTL_VER_09,
|
|
RTL_VER_MAX
|
|
};
|
|
|
|
enum tx_csum_stat {
|
|
TX_CSUM_SUCCESS = 0,
|
|
TX_CSUM_TSO,
|
|
TX_CSUM_NONE
|
|
};
|
|
|
|
#define RTL_ADVERTISED_10_HALF BIT(0)
|
|
#define RTL_ADVERTISED_10_FULL BIT(1)
|
|
#define RTL_ADVERTISED_100_HALF BIT(2)
|
|
#define RTL_ADVERTISED_100_FULL BIT(3)
|
|
#define RTL_ADVERTISED_1000_HALF BIT(4)
|
|
#define RTL_ADVERTISED_1000_FULL BIT(5)
|
|
|
|
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
|
|
* The RTL chips use a 64 element hash table based on the Ethernet CRC.
|
|
*/
|
|
static const int multicast_filter_limit = 32;
|
|
static unsigned int agg_buf_sz = 16384;
|
|
|
|
#define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
|
|
VLAN_ETH_HLEN - ETH_FCS_LEN)
|
|
|
|
static
|
|
int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
|
|
{
|
|
int ret;
|
|
void *tmp;
|
|
|
|
tmp = kmalloc(size, GFP_KERNEL);
|
|
if (!tmp)
|
|
return -ENOMEM;
|
|
|
|
ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
|
|
RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
|
|
value, index, tmp, size, 500);
|
|
if (ret < 0)
|
|
memset(data, 0xff, size);
|
|
else
|
|
memcpy(data, tmp, size);
|
|
|
|
kfree(tmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
|
|
{
|
|
int ret;
|
|
void *tmp;
|
|
|
|
tmp = kmemdup(data, size, GFP_KERNEL);
|
|
if (!tmp)
|
|
return -ENOMEM;
|
|
|
|
ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
|
|
RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
|
|
value, index, tmp, size, 500);
|
|
|
|
kfree(tmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void rtl_set_unplug(struct r8152 *tp)
|
|
{
|
|
if (tp->udev->state == USB_STATE_NOTATTACHED) {
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
}
|
|
}
|
|
|
|
static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
|
|
void *data, u16 type)
|
|
{
|
|
u16 limit = 64;
|
|
int ret = 0;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
/* both size and indix must be 4 bytes align */
|
|
if ((size & 3) || !size || (index & 3) || !data)
|
|
return -EPERM;
|
|
|
|
if ((u32)index + (u32)size > 0xffff)
|
|
return -EPERM;
|
|
|
|
while (size) {
|
|
if (size > limit) {
|
|
ret = get_registers(tp, index, type, limit, data);
|
|
if (ret < 0)
|
|
break;
|
|
|
|
index += limit;
|
|
data += limit;
|
|
size -= limit;
|
|
} else {
|
|
ret = get_registers(tp, index, type, size, data);
|
|
if (ret < 0)
|
|
break;
|
|
|
|
index += size;
|
|
data += size;
|
|
size = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret == -ENODEV)
|
|
rtl_set_unplug(tp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
|
|
u16 size, void *data, u16 type)
|
|
{
|
|
int ret;
|
|
u16 byteen_start, byteen_end, byen;
|
|
u16 limit = 512;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
/* both size and indix must be 4 bytes align */
|
|
if ((size & 3) || !size || (index & 3) || !data)
|
|
return -EPERM;
|
|
|
|
if ((u32)index + (u32)size > 0xffff)
|
|
return -EPERM;
|
|
|
|
byteen_start = byteen & BYTE_EN_START_MASK;
|
|
byteen_end = byteen & BYTE_EN_END_MASK;
|
|
|
|
byen = byteen_start | (byteen_start << 4);
|
|
ret = set_registers(tp, index, type | byen, 4, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += 4;
|
|
data += 4;
|
|
size -= 4;
|
|
|
|
if (size) {
|
|
size -= 4;
|
|
|
|
while (size) {
|
|
if (size > limit) {
|
|
ret = set_registers(tp, index,
|
|
type | BYTE_EN_DWORD,
|
|
limit, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += limit;
|
|
data += limit;
|
|
size -= limit;
|
|
} else {
|
|
ret = set_registers(tp, index,
|
|
type | BYTE_EN_DWORD,
|
|
size, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += size;
|
|
data += size;
|
|
size = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
byen = byteen_end | (byteen_end >> 4);
|
|
ret = set_registers(tp, index, type | byen, 4, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
}
|
|
|
|
error1:
|
|
if (ret == -ENODEV)
|
|
rtl_set_unplug(tp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline
|
|
int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
|
|
{
|
|
return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
|
|
}
|
|
|
|
static inline
|
|
int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
|
|
{
|
|
return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
|
|
}
|
|
|
|
static inline
|
|
int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
|
|
{
|
|
return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
|
|
}
|
|
|
|
static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
__le32 data;
|
|
|
|
generic_ocp_read(tp, index, sizeof(data), &data, type);
|
|
|
|
return __le32_to_cpu(data);
|
|
}
|
|
|
|
static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
__le32 tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
u32 data;
|
|
__le32 tmp;
|
|
u16 byen = BYTE_EN_WORD;
|
|
u8 shift = index & 2;
|
|
|
|
index &= ~3;
|
|
byen <<= shift;
|
|
|
|
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type | byen);
|
|
|
|
data = __le32_to_cpu(tmp);
|
|
data >>= (shift * 8);
|
|
data &= 0xffff;
|
|
|
|
return (u16)data;
|
|
}
|
|
|
|
static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
u32 mask = 0xffff;
|
|
__le32 tmp;
|
|
u16 byen = BYTE_EN_WORD;
|
|
u8 shift = index & 2;
|
|
|
|
data &= mask;
|
|
|
|
if (index & 2) {
|
|
byen <<= shift;
|
|
mask <<= (shift * 8);
|
|
data <<= (shift * 8);
|
|
index &= ~3;
|
|
}
|
|
|
|
tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
u32 data;
|
|
__le32 tmp;
|
|
u8 shift = index & 3;
|
|
|
|
index &= ~3;
|
|
|
|
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
|
|
|
|
data = __le32_to_cpu(tmp);
|
|
data >>= (shift * 8);
|
|
data &= 0xff;
|
|
|
|
return (u8)data;
|
|
}
|
|
|
|
static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
u32 mask = 0xff;
|
|
__le32 tmp;
|
|
u16 byen = BYTE_EN_BYTE;
|
|
u8 shift = index & 3;
|
|
|
|
data &= mask;
|
|
|
|
if (index & 3) {
|
|
byen <<= shift;
|
|
mask <<= (shift * 8);
|
|
data <<= (shift * 8);
|
|
index &= ~3;
|
|
}
|
|
|
|
tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
|
|
{
|
|
u16 ocp_base, ocp_index;
|
|
|
|
ocp_base = addr & 0xf000;
|
|
if (ocp_base != tp->ocp_base) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
|
|
tp->ocp_base = ocp_base;
|
|
}
|
|
|
|
ocp_index = (addr & 0x0fff) | 0xb000;
|
|
return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
|
|
}
|
|
|
|
static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
|
|
{
|
|
u16 ocp_base, ocp_index;
|
|
|
|
ocp_base = addr & 0xf000;
|
|
if (ocp_base != tp->ocp_base) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
|
|
tp->ocp_base = ocp_base;
|
|
}
|
|
|
|
ocp_index = (addr & 0x0fff) | 0xb000;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
|
|
}
|
|
|
|
static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
|
|
{
|
|
ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
|
|
}
|
|
|
|
static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
|
|
{
|
|
return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
|
|
}
|
|
|
|
static void sram_write(struct r8152 *tp, u16 addr, u16 data)
|
|
{
|
|
ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
|
|
ocp_reg_write(tp, OCP_SRAM_DATA, data);
|
|
}
|
|
|
|
static u16 sram_read(struct r8152 *tp, u16 addr)
|
|
{
|
|
ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
|
|
return ocp_reg_read(tp, OCP_SRAM_DATA);
|
|
}
|
|
|
|
static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
if (phy_id != R8152_PHY_ID)
|
|
return -EINVAL;
|
|
|
|
ret = r8152_mdio_read(tp, reg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (phy_id != R8152_PHY_ID)
|
|
return;
|
|
|
|
r8152_mdio_write(tp, reg, val);
|
|
}
|
|
|
|
static int
|
|
r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
|
|
|
|
static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
struct sockaddr *addr = p;
|
|
int ret = -EADDRNOTAVAIL;
|
|
|
|
if (!is_valid_ether_addr(addr->sa_data))
|
|
goto out1;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out1;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
out1:
|
|
return ret;
|
|
}
|
|
|
|
/* Devices containing proper chips can support a persistent
|
|
* host system provided MAC address.
|
|
* Examples of this are Dell TB15 and Dell WD15 docks
|
|
*/
|
|
static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
|
|
{
|
|
acpi_status status;
|
|
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
|
|
union acpi_object *obj;
|
|
int ret = -EINVAL;
|
|
u32 ocp_data;
|
|
unsigned char buf[6];
|
|
char *mac_obj_name;
|
|
acpi_object_type mac_obj_type;
|
|
int mac_strlen;
|
|
|
|
if (test_bit(LENOVO_MACPASSTHRU, &tp->flags)) {
|
|
mac_obj_name = "\\MACA";
|
|
mac_obj_type = ACPI_TYPE_STRING;
|
|
mac_strlen = 0x16;
|
|
} else {
|
|
/* test for -AD variant of RTL8153 */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
if ((ocp_data & AD_MASK) == 0x1000) {
|
|
/* test for MAC address pass-through bit */
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, EFUSE);
|
|
if ((ocp_data & PASS_THRU_MASK) != 1) {
|
|
netif_dbg(tp, probe, tp->netdev,
|
|
"No efuse for RTL8153-AD MAC pass through\n");
|
|
return -ENODEV;
|
|
}
|
|
} else {
|
|
/* test for RTL8153-BND and RTL8153-BD */
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1);
|
|
if ((ocp_data & BND_MASK) == 0 && (ocp_data & BD_MASK) == 0) {
|
|
netif_dbg(tp, probe, tp->netdev,
|
|
"Invalid variant for MAC pass through\n");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
mac_obj_name = "\\_SB.AMAC";
|
|
mac_obj_type = ACPI_TYPE_BUFFER;
|
|
mac_strlen = 0x17;
|
|
}
|
|
|
|
/* returns _AUXMAC_#AABBCCDDEEFF# */
|
|
status = acpi_evaluate_object(NULL, mac_obj_name, NULL, &buffer);
|
|
obj = (union acpi_object *)buffer.pointer;
|
|
if (!ACPI_SUCCESS(status))
|
|
return -ENODEV;
|
|
if (obj->type != mac_obj_type || obj->string.length != mac_strlen) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid buffer for pass-thru MAC addr: (%d, %d)\n",
|
|
obj->type, obj->string.length);
|
|
goto amacout;
|
|
}
|
|
|
|
if (strncmp(obj->string.pointer, "_AUXMAC_#", 9) != 0 ||
|
|
strncmp(obj->string.pointer + 0x15, "#", 1) != 0) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid header when reading pass-thru MAC addr\n");
|
|
goto amacout;
|
|
}
|
|
ret = hex2bin(buf, obj->string.pointer + 9, 6);
|
|
if (!(ret == 0 && is_valid_ether_addr(buf))) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid MAC for pass-thru MAC addr: %d, %pM\n",
|
|
ret, buf);
|
|
ret = -EINVAL;
|
|
goto amacout;
|
|
}
|
|
memcpy(sa->sa_data, buf, 6);
|
|
netif_info(tp, probe, tp->netdev,
|
|
"Using pass-thru MAC addr %pM\n", sa->sa_data);
|
|
|
|
amacout:
|
|
kfree(obj);
|
|
return ret;
|
|
}
|
|
|
|
static int determine_ethernet_addr(struct r8152 *tp, struct sockaddr *sa)
|
|
{
|
|
struct net_device *dev = tp->netdev;
|
|
int ret;
|
|
|
|
sa->sa_family = dev->type;
|
|
|
|
ret = eth_platform_get_mac_address(&dev->dev, sa->sa_data);
|
|
if (ret < 0) {
|
|
if (tp->version == RTL_VER_01) {
|
|
ret = pla_ocp_read(tp, PLA_IDR, 8, sa->sa_data);
|
|
} else {
|
|
/* if device doesn't support MAC pass through this will
|
|
* be expected to be non-zero
|
|
*/
|
|
ret = vendor_mac_passthru_addr_read(tp, sa);
|
|
if (ret < 0)
|
|
ret = pla_ocp_read(tp, PLA_BACKUP, 8,
|
|
sa->sa_data);
|
|
}
|
|
}
|
|
|
|
if (ret < 0) {
|
|
netif_err(tp, probe, dev, "Get ether addr fail\n");
|
|
} else if (!is_valid_ether_addr(sa->sa_data)) {
|
|
netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
|
|
sa->sa_data);
|
|
eth_hw_addr_random(dev);
|
|
ether_addr_copy(sa->sa_data, dev->dev_addr);
|
|
netif_info(tp, probe, dev, "Random ether addr %pM\n",
|
|
sa->sa_data);
|
|
return 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int set_ethernet_addr(struct r8152 *tp)
|
|
{
|
|
struct net_device *dev = tp->netdev;
|
|
struct sockaddr sa;
|
|
int ret;
|
|
|
|
ret = determine_ethernet_addr(tp, &sa);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (tp->version == RTL_VER_01)
|
|
ether_addr_copy(dev->dev_addr, sa.sa_data);
|
|
else
|
|
ret = rtl8152_set_mac_address(dev, &sa);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void read_bulk_callback(struct urb *urb)
|
|
{
|
|
struct net_device *netdev;
|
|
int status = urb->status;
|
|
struct rx_agg *agg;
|
|
struct r8152 *tp;
|
|
unsigned long flags;
|
|
|
|
agg = urb->context;
|
|
if (!agg)
|
|
return;
|
|
|
|
tp = agg->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
netdev = tp->netdev;
|
|
|
|
/* When link down, the driver would cancel all bulks. */
|
|
/* This avoid the re-submitting bulk */
|
|
if (!netif_carrier_ok(netdev))
|
|
return;
|
|
|
|
usb_mark_last_busy(tp->udev);
|
|
|
|
switch (status) {
|
|
case 0:
|
|
if (urb->actual_length < ETH_ZLEN)
|
|
break;
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
napi_schedule(&tp->napi);
|
|
return;
|
|
case -ESHUTDOWN:
|
|
rtl_set_unplug(tp);
|
|
netif_device_detach(tp->netdev);
|
|
return;
|
|
case -ENOENT:
|
|
return; /* the urb is in unlink state */
|
|
case -ETIME:
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "maybe reset is needed?\n");
|
|
break;
|
|
default:
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "Rx status %d\n", status);
|
|
break;
|
|
}
|
|
|
|
r8152_submit_rx(tp, agg, GFP_ATOMIC);
|
|
}
|
|
|
|
static void write_bulk_callback(struct urb *urb)
|
|
{
|
|
struct net_device_stats *stats;
|
|
struct net_device *netdev;
|
|
struct tx_agg *agg;
|
|
struct r8152 *tp;
|
|
unsigned long flags;
|
|
int status = urb->status;
|
|
|
|
agg = urb->context;
|
|
if (!agg)
|
|
return;
|
|
|
|
tp = agg->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
netdev = tp->netdev;
|
|
stats = &netdev->stats;
|
|
if (status) {
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "Tx status %d\n", status);
|
|
stats->tx_errors += agg->skb_num;
|
|
} else {
|
|
stats->tx_packets += agg->skb_num;
|
|
stats->tx_bytes += agg->skb_len;
|
|
}
|
|
|
|
spin_lock_irqsave(&tp->tx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->tx_free);
|
|
spin_unlock_irqrestore(&tp->tx_lock, flags);
|
|
|
|
usb_autopm_put_interface_async(tp->intf);
|
|
|
|
if (!netif_carrier_ok(netdev))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!skb_queue_empty(&tp->tx_queue))
|
|
tasklet_schedule(&tp->tx_tl);
|
|
}
|
|
|
|
static void intr_callback(struct urb *urb)
|
|
{
|
|
struct r8152 *tp;
|
|
__le16 *d;
|
|
int status = urb->status;
|
|
int res;
|
|
|
|
tp = urb->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
switch (status) {
|
|
case 0: /* success */
|
|
break;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ESHUTDOWN:
|
|
netif_device_detach(tp->netdev);
|
|
/* fall through */
|
|
case -ENOENT:
|
|
case -EPROTO:
|
|
netif_info(tp, intr, tp->netdev,
|
|
"Stop submitting intr, status %d\n", status);
|
|
return;
|
|
case -EOVERFLOW:
|
|
netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
|
|
goto resubmit;
|
|
/* -EPIPE: should clear the halt */
|
|
default:
|
|
netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
|
|
goto resubmit;
|
|
}
|
|
|
|
d = urb->transfer_buffer;
|
|
if (INTR_LINK & __le16_to_cpu(d[0])) {
|
|
if (!netif_carrier_ok(tp->netdev)) {
|
|
set_bit(RTL8152_LINK_CHG, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
} else {
|
|
if (netif_carrier_ok(tp->netdev)) {
|
|
netif_stop_queue(tp->netdev);
|
|
set_bit(RTL8152_LINK_CHG, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
}
|
|
|
|
resubmit:
|
|
res = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (res == -ENODEV) {
|
|
rtl_set_unplug(tp);
|
|
netif_device_detach(tp->netdev);
|
|
} else if (res) {
|
|
netif_err(tp, intr, tp->netdev,
|
|
"can't resubmit intr, status %d\n", res);
|
|
}
|
|
}
|
|
|
|
static inline void *rx_agg_align(void *data)
|
|
{
|
|
return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
|
|
}
|
|
|
|
static inline void *tx_agg_align(void *data)
|
|
{
|
|
return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
|
|
}
|
|
|
|
static void free_rx_agg(struct r8152 *tp, struct rx_agg *agg)
|
|
{
|
|
list_del(&agg->info_list);
|
|
|
|
usb_free_urb(agg->urb);
|
|
put_page(agg->page);
|
|
kfree(agg);
|
|
|
|
atomic_dec(&tp->rx_count);
|
|
}
|
|
|
|
static struct rx_agg *alloc_rx_agg(struct r8152 *tp, gfp_t mflags)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
int node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
|
|
unsigned int order = get_order(tp->rx_buf_sz);
|
|
struct rx_agg *rx_agg;
|
|
unsigned long flags;
|
|
|
|
rx_agg = kmalloc_node(sizeof(*rx_agg), mflags, node);
|
|
if (!rx_agg)
|
|
return NULL;
|
|
|
|
rx_agg->page = alloc_pages(mflags | __GFP_COMP, order);
|
|
if (!rx_agg->page)
|
|
goto free_rx;
|
|
|
|
rx_agg->buffer = page_address(rx_agg->page);
|
|
|
|
rx_agg->urb = usb_alloc_urb(0, mflags);
|
|
if (!rx_agg->urb)
|
|
goto free_buf;
|
|
|
|
rx_agg->context = tp;
|
|
|
|
INIT_LIST_HEAD(&rx_agg->list);
|
|
INIT_LIST_HEAD(&rx_agg->info_list);
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&rx_agg->info_list, &tp->rx_info);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
atomic_inc(&tp->rx_count);
|
|
|
|
return rx_agg;
|
|
|
|
free_buf:
|
|
__free_pages(rx_agg->page, order);
|
|
free_rx:
|
|
kfree(rx_agg);
|
|
return NULL;
|
|
}
|
|
|
|
static void free_all_mem(struct r8152 *tp)
|
|
{
|
|
struct rx_agg *agg, *agg_next;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
|
|
list_for_each_entry_safe(agg, agg_next, &tp->rx_info, info_list)
|
|
free_rx_agg(tp, agg);
|
|
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
WARN_ON(atomic_read(&tp->rx_count));
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++) {
|
|
usb_free_urb(tp->tx_info[i].urb);
|
|
tp->tx_info[i].urb = NULL;
|
|
|
|
kfree(tp->tx_info[i].buffer);
|
|
tp->tx_info[i].buffer = NULL;
|
|
tp->tx_info[i].head = NULL;
|
|
}
|
|
|
|
usb_free_urb(tp->intr_urb);
|
|
tp->intr_urb = NULL;
|
|
|
|
kfree(tp->intr_buff);
|
|
tp->intr_buff = NULL;
|
|
}
|
|
|
|
static int alloc_all_mem(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
struct usb_interface *intf = tp->intf;
|
|
struct usb_host_interface *alt = intf->cur_altsetting;
|
|
struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
|
|
int node, i;
|
|
|
|
node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
|
|
|
|
spin_lock_init(&tp->rx_lock);
|
|
spin_lock_init(&tp->tx_lock);
|
|
INIT_LIST_HEAD(&tp->rx_info);
|
|
INIT_LIST_HEAD(&tp->tx_free);
|
|
INIT_LIST_HEAD(&tp->rx_done);
|
|
skb_queue_head_init(&tp->tx_queue);
|
|
skb_queue_head_init(&tp->rx_queue);
|
|
atomic_set(&tp->rx_count, 0);
|
|
|
|
for (i = 0; i < RTL8152_MAX_RX; i++) {
|
|
if (!alloc_rx_agg(tp, GFP_KERNEL))
|
|
goto err1;
|
|
}
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++) {
|
|
struct urb *urb;
|
|
u8 *buf;
|
|
|
|
buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
|
|
if (!buf)
|
|
goto err1;
|
|
|
|
if (buf != tx_agg_align(buf)) {
|
|
kfree(buf);
|
|
buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL,
|
|
node);
|
|
if (!buf)
|
|
goto err1;
|
|
}
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb) {
|
|
kfree(buf);
|
|
goto err1;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&tp->tx_info[i].list);
|
|
tp->tx_info[i].context = tp;
|
|
tp->tx_info[i].urb = urb;
|
|
tp->tx_info[i].buffer = buf;
|
|
tp->tx_info[i].head = tx_agg_align(buf);
|
|
|
|
list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
|
|
}
|
|
|
|
tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!tp->intr_urb)
|
|
goto err1;
|
|
|
|
tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
|
|
if (!tp->intr_buff)
|
|
goto err1;
|
|
|
|
tp->intr_interval = (int)ep_intr->desc.bInterval;
|
|
usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3),
|
|
tp->intr_buff, INTBUFSIZE, intr_callback,
|
|
tp, tp->intr_interval);
|
|
|
|
return 0;
|
|
|
|
err1:
|
|
free_all_mem(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
|
|
{
|
|
struct tx_agg *agg = NULL;
|
|
unsigned long flags;
|
|
|
|
if (list_empty(&tp->tx_free))
|
|
return NULL;
|
|
|
|
spin_lock_irqsave(&tp->tx_lock, flags);
|
|
if (!list_empty(&tp->tx_free)) {
|
|
struct list_head *cursor;
|
|
|
|
cursor = tp->tx_free.next;
|
|
list_del_init(cursor);
|
|
agg = list_entry(cursor, struct tx_agg, list);
|
|
}
|
|
spin_unlock_irqrestore(&tp->tx_lock, flags);
|
|
|
|
return agg;
|
|
}
|
|
|
|
/* r8152_csum_workaround()
|
|
* The hw limits the value of the transport offset. When the offset is out of
|
|
* range, calculate the checksum by sw.
|
|
*/
|
|
static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
|
|
struct sk_buff_head *list)
|
|
{
|
|
if (skb_shinfo(skb)->gso_size) {
|
|
netdev_features_t features = tp->netdev->features;
|
|
struct sk_buff *segs, *seg, *next;
|
|
struct sk_buff_head seg_list;
|
|
|
|
features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
|
|
segs = skb_gso_segment(skb, features);
|
|
if (IS_ERR(segs) || !segs)
|
|
goto drop;
|
|
|
|
__skb_queue_head_init(&seg_list);
|
|
|
|
skb_list_walk_safe(segs, seg, next) {
|
|
skb_mark_not_on_list(seg);
|
|
__skb_queue_tail(&seg_list, seg);
|
|
}
|
|
|
|
skb_queue_splice(&seg_list, list);
|
|
dev_kfree_skb(skb);
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
if (skb_checksum_help(skb) < 0)
|
|
goto drop;
|
|
|
|
__skb_queue_head(list, skb);
|
|
} else {
|
|
struct net_device_stats *stats;
|
|
|
|
drop:
|
|
stats = &tp->netdev->stats;
|
|
stats->tx_dropped++;
|
|
dev_kfree_skb(skb);
|
|
}
|
|
}
|
|
|
|
static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
|
|
{
|
|
if (skb_vlan_tag_present(skb)) {
|
|
u32 opts2;
|
|
|
|
opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
|
|
desc->opts2 |= cpu_to_le32(opts2);
|
|
}
|
|
}
|
|
|
|
static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb)
|
|
{
|
|
u32 opts2 = le32_to_cpu(desc->opts2);
|
|
|
|
if (opts2 & RX_VLAN_TAG)
|
|
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
|
|
swab16(opts2 & 0xffff));
|
|
}
|
|
|
|
static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
|
|
struct sk_buff *skb, u32 len, u32 transport_offset)
|
|
{
|
|
u32 mss = skb_shinfo(skb)->gso_size;
|
|
u32 opts1, opts2 = 0;
|
|
int ret = TX_CSUM_SUCCESS;
|
|
|
|
WARN_ON_ONCE(len > TX_LEN_MAX);
|
|
|
|
opts1 = len | TX_FS | TX_LS;
|
|
|
|
if (mss) {
|
|
if (transport_offset > GTTCPHO_MAX) {
|
|
netif_warn(tp, tx_err, tp->netdev,
|
|
"Invalid transport offset 0x%x for TSO\n",
|
|
transport_offset);
|
|
ret = TX_CSUM_TSO;
|
|
goto unavailable;
|
|
}
|
|
|
|
switch (vlan_get_protocol(skb)) {
|
|
case htons(ETH_P_IP):
|
|
opts1 |= GTSENDV4;
|
|
break;
|
|
|
|
case htons(ETH_P_IPV6):
|
|
if (skb_cow_head(skb, 0)) {
|
|
ret = TX_CSUM_TSO;
|
|
goto unavailable;
|
|
}
|
|
tcp_v6_gso_csum_prep(skb);
|
|
opts1 |= GTSENDV6;
|
|
break;
|
|
|
|
default:
|
|
WARN_ON_ONCE(1);
|
|
break;
|
|
}
|
|
|
|
opts1 |= transport_offset << GTTCPHO_SHIFT;
|
|
opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
u8 ip_protocol;
|
|
|
|
if (transport_offset > TCPHO_MAX) {
|
|
netif_warn(tp, tx_err, tp->netdev,
|
|
"Invalid transport offset 0x%x\n",
|
|
transport_offset);
|
|
ret = TX_CSUM_NONE;
|
|
goto unavailable;
|
|
}
|
|
|
|
switch (vlan_get_protocol(skb)) {
|
|
case htons(ETH_P_IP):
|
|
opts2 |= IPV4_CS;
|
|
ip_protocol = ip_hdr(skb)->protocol;
|
|
break;
|
|
|
|
case htons(ETH_P_IPV6):
|
|
opts2 |= IPV6_CS;
|
|
ip_protocol = ipv6_hdr(skb)->nexthdr;
|
|
break;
|
|
|
|
default:
|
|
ip_protocol = IPPROTO_RAW;
|
|
break;
|
|
}
|
|
|
|
if (ip_protocol == IPPROTO_TCP)
|
|
opts2 |= TCP_CS;
|
|
else if (ip_protocol == IPPROTO_UDP)
|
|
opts2 |= UDP_CS;
|
|
else
|
|
WARN_ON_ONCE(1);
|
|
|
|
opts2 |= transport_offset << TCPHO_SHIFT;
|
|
}
|
|
|
|
desc->opts2 = cpu_to_le32(opts2);
|
|
desc->opts1 = cpu_to_le32(opts1);
|
|
|
|
unavailable:
|
|
return ret;
|
|
}
|
|
|
|
static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
|
|
{
|
|
struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
|
|
int remain, ret;
|
|
u8 *tx_data;
|
|
|
|
__skb_queue_head_init(&skb_head);
|
|
spin_lock(&tx_queue->lock);
|
|
skb_queue_splice_init(tx_queue, &skb_head);
|
|
spin_unlock(&tx_queue->lock);
|
|
|
|
tx_data = agg->head;
|
|
agg->skb_num = 0;
|
|
agg->skb_len = 0;
|
|
remain = agg_buf_sz;
|
|
|
|
while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
|
|
struct tx_desc *tx_desc;
|
|
struct sk_buff *skb;
|
|
unsigned int len;
|
|
u32 offset;
|
|
|
|
skb = __skb_dequeue(&skb_head);
|
|
if (!skb)
|
|
break;
|
|
|
|
len = skb->len + sizeof(*tx_desc);
|
|
|
|
if (len > remain) {
|
|
__skb_queue_head(&skb_head, skb);
|
|
break;
|
|
}
|
|
|
|
tx_data = tx_agg_align(tx_data);
|
|
tx_desc = (struct tx_desc *)tx_data;
|
|
|
|
offset = (u32)skb_transport_offset(skb);
|
|
|
|
if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) {
|
|
r8152_csum_workaround(tp, skb, &skb_head);
|
|
continue;
|
|
}
|
|
|
|
rtl_tx_vlan_tag(tx_desc, skb);
|
|
|
|
tx_data += sizeof(*tx_desc);
|
|
|
|
len = skb->len;
|
|
if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
|
|
struct net_device_stats *stats = &tp->netdev->stats;
|
|
|
|
stats->tx_dropped++;
|
|
dev_kfree_skb_any(skb);
|
|
tx_data -= sizeof(*tx_desc);
|
|
continue;
|
|
}
|
|
|
|
tx_data += len;
|
|
agg->skb_len += len;
|
|
agg->skb_num += skb_shinfo(skb)->gso_segs ?: 1;
|
|
|
|
dev_kfree_skb_any(skb);
|
|
|
|
remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
|
|
|
|
if (test_bit(DELL_TB_RX_AGG_BUG, &tp->flags))
|
|
break;
|
|
}
|
|
|
|
if (!skb_queue_empty(&skb_head)) {
|
|
spin_lock(&tx_queue->lock);
|
|
skb_queue_splice(&skb_head, tx_queue);
|
|
spin_unlock(&tx_queue->lock);
|
|
}
|
|
|
|
netif_tx_lock(tp->netdev);
|
|
|
|
if (netif_queue_stopped(tp->netdev) &&
|
|
skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
|
|
netif_wake_queue(tp->netdev);
|
|
|
|
netif_tx_unlock(tp->netdev);
|
|
|
|
ret = usb_autopm_get_interface_async(tp->intf);
|
|
if (ret < 0)
|
|
goto out_tx_fill;
|
|
|
|
usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2),
|
|
agg->head, (int)(tx_data - (u8 *)agg->head),
|
|
(usb_complete_t)write_bulk_callback, agg);
|
|
|
|
ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
|
|
if (ret < 0)
|
|
usb_autopm_put_interface_async(tp->intf);
|
|
|
|
out_tx_fill:
|
|
return ret;
|
|
}
|
|
|
|
static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
|
|
{
|
|
u8 checksum = CHECKSUM_NONE;
|
|
u32 opts2, opts3;
|
|
|
|
if (!(tp->netdev->features & NETIF_F_RXCSUM))
|
|
goto return_result;
|
|
|
|
opts2 = le32_to_cpu(rx_desc->opts2);
|
|
opts3 = le32_to_cpu(rx_desc->opts3);
|
|
|
|
if (opts2 & RD_IPV4_CS) {
|
|
if (opts3 & IPF)
|
|
checksum = CHECKSUM_NONE;
|
|
else if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
} else if (opts2 & RD_IPV6_CS) {
|
|
if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
}
|
|
|
|
return_result:
|
|
return checksum;
|
|
}
|
|
|
|
static inline bool rx_count_exceed(struct r8152 *tp)
|
|
{
|
|
return atomic_read(&tp->rx_count) > RTL8152_MAX_RX;
|
|
}
|
|
|
|
static inline int agg_offset(struct rx_agg *agg, void *addr)
|
|
{
|
|
return (int)(addr - agg->buffer);
|
|
}
|
|
|
|
static struct rx_agg *rtl_get_free_rx(struct r8152 *tp, gfp_t mflags)
|
|
{
|
|
struct rx_agg *agg, *agg_next, *agg_free = NULL;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
|
|
list_for_each_entry_safe(agg, agg_next, &tp->rx_used, list) {
|
|
if (page_count(agg->page) == 1) {
|
|
if (!agg_free) {
|
|
list_del_init(&agg->list);
|
|
agg_free = agg;
|
|
continue;
|
|
}
|
|
if (rx_count_exceed(tp)) {
|
|
list_del_init(&agg->list);
|
|
free_rx_agg(tp, agg);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
if (!agg_free && atomic_read(&tp->rx_count) < tp->rx_pending)
|
|
agg_free = alloc_rx_agg(tp, mflags);
|
|
|
|
return agg_free;
|
|
}
|
|
|
|
static int rx_bottom(struct r8152 *tp, int budget)
|
|
{
|
|
unsigned long flags;
|
|
struct list_head *cursor, *next, rx_queue;
|
|
int ret = 0, work_done = 0;
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
if (!skb_queue_empty(&tp->rx_queue)) {
|
|
while (work_done < budget) {
|
|
struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
|
|
struct net_device *netdev = tp->netdev;
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned int pkt_len;
|
|
|
|
if (!skb)
|
|
break;
|
|
|
|
pkt_len = skb->len;
|
|
napi_gro_receive(napi, skb);
|
|
work_done++;
|
|
stats->rx_packets++;
|
|
stats->rx_bytes += pkt_len;
|
|
}
|
|
}
|
|
|
|
if (list_empty(&tp->rx_done))
|
|
goto out1;
|
|
|
|
INIT_LIST_HEAD(&rx_queue);
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_init(&tp->rx_done, &rx_queue);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
list_for_each_safe(cursor, next, &rx_queue) {
|
|
struct rx_desc *rx_desc;
|
|
struct rx_agg *agg, *agg_free;
|
|
int len_used = 0;
|
|
struct urb *urb;
|
|
u8 *rx_data;
|
|
|
|
list_del_init(cursor);
|
|
|
|
agg = list_entry(cursor, struct rx_agg, list);
|
|
urb = agg->urb;
|
|
if (urb->actual_length < ETH_ZLEN)
|
|
goto submit;
|
|
|
|
agg_free = rtl_get_free_rx(tp, GFP_ATOMIC);
|
|
|
|
rx_desc = agg->buffer;
|
|
rx_data = agg->buffer;
|
|
len_used += sizeof(struct rx_desc);
|
|
|
|
while (urb->actual_length > len_used) {
|
|
struct net_device *netdev = tp->netdev;
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned int pkt_len, rx_frag_head_sz;
|
|
struct sk_buff *skb;
|
|
|
|
/* limite the skb numbers for rx_queue */
|
|
if (unlikely(skb_queue_len(&tp->rx_queue) >= 1000))
|
|
break;
|
|
|
|
pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
|
|
if (pkt_len < ETH_ZLEN)
|
|
break;
|
|
|
|
len_used += pkt_len;
|
|
if (urb->actual_length < len_used)
|
|
break;
|
|
|
|
pkt_len -= ETH_FCS_LEN;
|
|
rx_data += sizeof(struct rx_desc);
|
|
|
|
if (!agg_free || tp->rx_copybreak > pkt_len)
|
|
rx_frag_head_sz = pkt_len;
|
|
else
|
|
rx_frag_head_sz = tp->rx_copybreak;
|
|
|
|
skb = napi_alloc_skb(napi, rx_frag_head_sz);
|
|
if (!skb) {
|
|
stats->rx_dropped++;
|
|
goto find_next_rx;
|
|
}
|
|
|
|
skb->ip_summed = r8152_rx_csum(tp, rx_desc);
|
|
memcpy(skb->data, rx_data, rx_frag_head_sz);
|
|
skb_put(skb, rx_frag_head_sz);
|
|
pkt_len -= rx_frag_head_sz;
|
|
rx_data += rx_frag_head_sz;
|
|
if (pkt_len) {
|
|
skb_add_rx_frag(skb, 0, agg->page,
|
|
agg_offset(agg, rx_data),
|
|
pkt_len,
|
|
SKB_DATA_ALIGN(pkt_len));
|
|
get_page(agg->page);
|
|
}
|
|
|
|
skb->protocol = eth_type_trans(skb, netdev);
|
|
rtl_rx_vlan_tag(rx_desc, skb);
|
|
if (work_done < budget) {
|
|
work_done++;
|
|
stats->rx_packets++;
|
|
stats->rx_bytes += skb->len;
|
|
napi_gro_receive(napi, skb);
|
|
} else {
|
|
__skb_queue_tail(&tp->rx_queue, skb);
|
|
}
|
|
|
|
find_next_rx:
|
|
rx_data = rx_agg_align(rx_data + pkt_len + ETH_FCS_LEN);
|
|
rx_desc = (struct rx_desc *)rx_data;
|
|
len_used = agg_offset(agg, rx_data);
|
|
len_used += sizeof(struct rx_desc);
|
|
}
|
|
|
|
WARN_ON(!agg_free && page_count(agg->page) > 1);
|
|
|
|
if (agg_free) {
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
if (page_count(agg->page) == 1) {
|
|
list_add(&agg_free->list, &tp->rx_used);
|
|
} else {
|
|
list_add_tail(&agg->list, &tp->rx_used);
|
|
agg = agg_free;
|
|
urb = agg->urb;
|
|
}
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
}
|
|
|
|
submit:
|
|
if (!ret) {
|
|
ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
|
|
} else {
|
|
urb->actual_length = 0;
|
|
list_add_tail(&agg->list, next);
|
|
}
|
|
}
|
|
|
|
if (!list_empty(&rx_queue)) {
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_tail(&rx_queue, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
}
|
|
|
|
out1:
|
|
return work_done;
|
|
}
|
|
|
|
static void tx_bottom(struct r8152 *tp)
|
|
{
|
|
int res;
|
|
|
|
do {
|
|
struct net_device *netdev = tp->netdev;
|
|
struct tx_agg *agg;
|
|
|
|
if (skb_queue_empty(&tp->tx_queue))
|
|
break;
|
|
|
|
agg = r8152_get_tx_agg(tp);
|
|
if (!agg)
|
|
break;
|
|
|
|
res = r8152_tx_agg_fill(tp, agg);
|
|
if (!res)
|
|
continue;
|
|
|
|
if (res == -ENODEV) {
|
|
rtl_set_unplug(tp);
|
|
netif_device_detach(netdev);
|
|
} else {
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned long flags;
|
|
|
|
netif_warn(tp, tx_err, netdev,
|
|
"failed tx_urb %d\n", res);
|
|
stats->tx_dropped += agg->skb_num;
|
|
|
|
spin_lock_irqsave(&tp->tx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->tx_free);
|
|
spin_unlock_irqrestore(&tp->tx_lock, flags);
|
|
}
|
|
} while (res == 0);
|
|
}
|
|
|
|
static void bottom_half(unsigned long data)
|
|
{
|
|
struct r8152 *tp;
|
|
|
|
tp = (struct r8152 *)data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
/* When link down, the driver would cancel all bulks. */
|
|
/* This avoid the re-submitting bulk */
|
|
if (!netif_carrier_ok(tp->netdev))
|
|
return;
|
|
|
|
clear_bit(SCHEDULE_TASKLET, &tp->flags);
|
|
|
|
tx_bottom(tp);
|
|
}
|
|
|
|
static int r8152_poll(struct napi_struct *napi, int budget)
|
|
{
|
|
struct r8152 *tp = container_of(napi, struct r8152, napi);
|
|
int work_done;
|
|
|
|
work_done = rx_bottom(tp, budget);
|
|
|
|
if (work_done < budget) {
|
|
if (!napi_complete_done(napi, work_done))
|
|
goto out;
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(napi);
|
|
}
|
|
|
|
out:
|
|
return work_done;
|
|
}
|
|
|
|
static
|
|
int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
|
|
{
|
|
int ret;
|
|
|
|
/* The rx would be stopped, so skip submitting */
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
|
|
!test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
|
|
return 0;
|
|
|
|
usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
|
|
agg->buffer, tp->rx_buf_sz,
|
|
(usb_complete_t)read_bulk_callback, agg);
|
|
|
|
ret = usb_submit_urb(agg->urb, mem_flags);
|
|
if (ret == -ENODEV) {
|
|
rtl_set_unplug(tp);
|
|
netif_device_detach(tp->netdev);
|
|
} else if (ret) {
|
|
struct urb *urb = agg->urb;
|
|
unsigned long flags;
|
|
|
|
urb->actual_length = 0;
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
netif_err(tp, rx_err, tp->netdev,
|
|
"Couldn't submit rx[%p], ret = %d\n", agg, ret);
|
|
|
|
napi_schedule(&tp->napi);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void rtl_drop_queued_tx(struct r8152 *tp)
|
|
{
|
|
struct net_device_stats *stats = &tp->netdev->stats;
|
|
struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
|
|
struct sk_buff *skb;
|
|
|
|
if (skb_queue_empty(tx_queue))
|
|
return;
|
|
|
|
__skb_queue_head_init(&skb_head);
|
|
spin_lock_bh(&tx_queue->lock);
|
|
skb_queue_splice_init(tx_queue, &skb_head);
|
|
spin_unlock_bh(&tx_queue->lock);
|
|
|
|
while ((skb = __skb_dequeue(&skb_head))) {
|
|
dev_kfree_skb(skb);
|
|
stats->tx_dropped++;
|
|
}
|
|
}
|
|
|
|
static void rtl8152_tx_timeout(struct net_device *netdev, unsigned int txqueue)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
netif_warn(tp, tx_err, netdev, "Tx timeout\n");
|
|
|
|
usb_queue_reset_device(tp->intf);
|
|
}
|
|
|
|
static void rtl8152_set_rx_mode(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
}
|
|
|
|
static void _rtl8152_set_rx_mode(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
u32 mc_filter[2]; /* Multicast hash filter */
|
|
__le32 tmp[2];
|
|
u32 ocp_data;
|
|
|
|
netif_stop_queue(netdev);
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_data |= RCR_AB | RCR_APM;
|
|
|
|
if (netdev->flags & IFF_PROMISC) {
|
|
/* Unconditionally log net taps. */
|
|
netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
|
|
ocp_data |= RCR_AM | RCR_AAP;
|
|
mc_filter[1] = 0xffffffff;
|
|
mc_filter[0] = 0xffffffff;
|
|
} else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
|
|
(netdev->flags & IFF_ALLMULTI)) {
|
|
/* Too many to filter perfectly -- accept all multicasts. */
|
|
ocp_data |= RCR_AM;
|
|
mc_filter[1] = 0xffffffff;
|
|
mc_filter[0] = 0xffffffff;
|
|
} else {
|
|
struct netdev_hw_addr *ha;
|
|
|
|
mc_filter[1] = 0;
|
|
mc_filter[0] = 0;
|
|
netdev_for_each_mc_addr(ha, netdev) {
|
|
int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
|
|
|
|
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
|
|
ocp_data |= RCR_AM;
|
|
}
|
|
}
|
|
|
|
tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
|
|
tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
|
|
|
|
pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
netif_wake_queue(netdev);
|
|
}
|
|
|
|
static netdev_features_t
|
|
rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
u32 mss = skb_shinfo(skb)->gso_size;
|
|
int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
|
|
int offset = skb_transport_offset(skb);
|
|
|
|
if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
|
|
features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
|
|
else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
|
|
features &= ~NETIF_F_GSO_MASK;
|
|
|
|
return features;
|
|
}
|
|
|
|
static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
|
|
struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
skb_tx_timestamp(skb);
|
|
|
|
skb_queue_tail(&tp->tx_queue, skb);
|
|
|
|
if (!list_empty(&tp->tx_free)) {
|
|
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
|
|
set_bit(SCHEDULE_TASKLET, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
} else {
|
|
usb_mark_last_busy(tp->udev);
|
|
tasklet_schedule(&tp->tx_tl);
|
|
}
|
|
} else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
|
|
netif_stop_queue(netdev);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
static void r8152b_reset_packet_filter(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
|
|
ocp_data &= ~FMC_FCR_MCU_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
|
|
ocp_data |= FMC_FCR_MCU_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
|
|
}
|
|
|
|
static void rtl8152_nic_reset(struct r8152 *tp)
|
|
{
|
|
int i;
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
|
|
break;
|
|
usleep_range(100, 400);
|
|
}
|
|
}
|
|
|
|
static void set_tx_qlen(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN +
|
|
sizeof(struct tx_desc));
|
|
}
|
|
|
|
static inline u8 rtl8152_get_speed(struct r8152 *tp)
|
|
{
|
|
return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
|
|
}
|
|
|
|
static void rtl_set_eee_plus(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u8 speed;
|
|
|
|
speed = rtl8152_get_speed(tp);
|
|
if (speed & _10bps) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
|
|
ocp_data |= EEEP_CR_EEEP_TX;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
|
|
} else {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
|
|
ocp_data &= ~EEEP_CR_EEEP_TX;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
|
|
}
|
|
}
|
|
|
|
static void rxdy_gated_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
|
|
if (enable)
|
|
ocp_data |= RXDY_GATED_EN;
|
|
else
|
|
ocp_data &= ~RXDY_GATED_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
|
|
}
|
|
|
|
static int rtl_start_rx(struct r8152 *tp)
|
|
{
|
|
struct rx_agg *agg, *agg_next;
|
|
struct list_head tmp_list;
|
|
unsigned long flags;
|
|
int ret = 0, i = 0;
|
|
|
|
INIT_LIST_HEAD(&tmp_list);
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
|
|
INIT_LIST_HEAD(&tp->rx_done);
|
|
INIT_LIST_HEAD(&tp->rx_used);
|
|
|
|
list_splice_init(&tp->rx_info, &tmp_list);
|
|
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
list_for_each_entry_safe(agg, agg_next, &tmp_list, info_list) {
|
|
INIT_LIST_HEAD(&agg->list);
|
|
|
|
/* Only RTL8152_MAX_RX rx_agg need to be submitted. */
|
|
if (++i > RTL8152_MAX_RX) {
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->rx_used);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
} else if (unlikely(ret < 0)) {
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
} else {
|
|
ret = r8152_submit_rx(tp, agg, GFP_KERNEL);
|
|
}
|
|
}
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
WARN_ON(!list_empty(&tp->rx_info));
|
|
list_splice(&tmp_list, &tp->rx_info);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl_stop_rx(struct r8152 *tp)
|
|
{
|
|
struct rx_agg *agg, *agg_next;
|
|
struct list_head tmp_list;
|
|
unsigned long flags;
|
|
|
|
INIT_LIST_HEAD(&tmp_list);
|
|
|
|
/* The usb_kill_urb() couldn't be used in atomic.
|
|
* Therefore, move the list of rx_info to a tmp one.
|
|
* Then, list_for_each_entry_safe could be used without
|
|
* spin lock.
|
|
*/
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_init(&tp->rx_info, &tmp_list);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
list_for_each_entry_safe(agg, agg_next, &tmp_list, info_list) {
|
|
/* At least RTL8152_MAX_RX rx_agg have the page_count being
|
|
* equal to 1, so the other ones could be freed safely.
|
|
*/
|
|
if (page_count(agg->page) > 1)
|
|
free_rx_agg(tp, agg);
|
|
else
|
|
usb_kill_urb(agg->urb);
|
|
}
|
|
|
|
/* Move back the list of temp to the rx_info */
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
WARN_ON(!list_empty(&tp->rx_info));
|
|
list_splice(&tmp_list, &tp->rx_info);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
while (!skb_queue_empty(&tp->rx_queue))
|
|
dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
|
|
{
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
|
|
OWN_UPDATE | OWN_CLEAR);
|
|
}
|
|
|
|
static int rtl_enable(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
r8152b_reset_packet_filter(tp);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
|
|
ocp_data |= CR_RE | CR_TE;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
r8153b_rx_agg_chg_indicate(tp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_enable(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
set_tx_qlen(tp);
|
|
rtl_set_eee_plus(tp);
|
|
|
|
return rtl_enable(tp);
|
|
}
|
|
|
|
static void r8153_set_rx_early_timeout(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data = tp->coalesce / 8;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
|
|
ocp_data);
|
|
break;
|
|
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
/* The RTL8153B uses USB_RX_EXTRA_AGGR_TMR for rx timeout
|
|
* primarily. For USB_RX_EARLY_TIMEOUT, we fix it to 128ns.
|
|
*/
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
|
|
128 / 8);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EXTRA_AGGR_TMR,
|
|
ocp_data);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void r8153_set_rx_early_size(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data = tp->rx_buf_sz - rx_reserved_size(tp->netdev->mtu);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
|
|
ocp_data / 4);
|
|
break;
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
|
|
ocp_data / 8);
|
|
break;
|
|
default:
|
|
WARN_ON_ONCE(1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int rtl8153_enable(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
set_tx_qlen(tp);
|
|
rtl_set_eee_plus(tp);
|
|
r8153_set_rx_early_timeout(tp);
|
|
r8153_set_rx_early_size(tp);
|
|
|
|
if (tp->version == RTL_VER_09) {
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
|
|
ocp_data &= ~FC_PATCH_TASK;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
|
|
usleep_range(1000, 2000);
|
|
ocp_data |= FC_PATCH_TASK;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
|
|
}
|
|
|
|
return rtl_enable(tp);
|
|
}
|
|
|
|
static void rtl_disable(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rtl_drop_queued_tx(tp);
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++)
|
|
usb_kill_urb(tp->tx_info[i].urb);
|
|
|
|
rxdy_gated_en(tp, true);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
rtl_stop_rx(tp);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
}
|
|
|
|
static void r8152_power_cut_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
|
|
if (enable)
|
|
ocp_data |= POWER_CUT;
|
|
else
|
|
ocp_data &= ~POWER_CUT;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
|
|
ocp_data &= ~RESUME_INDICATE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
|
|
}
|
|
|
|
static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
|
|
if (enable)
|
|
ocp_data |= CPCR_RX_VLAN;
|
|
else
|
|
ocp_data &= ~CPCR_RX_VLAN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
|
|
}
|
|
|
|
static int rtl8152_set_features(struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
netdev_features_t changed = features ^ dev->features;
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
|
|
if (features & NETIF_F_HW_VLAN_CTAG_RX)
|
|
rtl_rx_vlan_en(tp, true);
|
|
else
|
|
rtl_rx_vlan_en(tp, false);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
|
|
|
|
static u32 __rtl_get_wol(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u32 wolopts = 0;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
if (ocp_data & LINK_ON_WAKE_EN)
|
|
wolopts |= WAKE_PHY;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
|
|
if (ocp_data & UWF_EN)
|
|
wolopts |= WAKE_UCAST;
|
|
if (ocp_data & BWF_EN)
|
|
wolopts |= WAKE_BCAST;
|
|
if (ocp_data & MWF_EN)
|
|
wolopts |= WAKE_MCAST;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
|
|
if (ocp_data & MAGIC_EN)
|
|
wolopts |= WAKE_MAGIC;
|
|
|
|
return wolopts;
|
|
}
|
|
|
|
static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data &= ~LINK_ON_WAKE_EN;
|
|
if (wolopts & WAKE_PHY)
|
|
ocp_data |= LINK_ON_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
|
|
ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN);
|
|
if (wolopts & WAKE_UCAST)
|
|
ocp_data |= UWF_EN;
|
|
if (wolopts & WAKE_BCAST)
|
|
ocp_data |= BWF_EN;
|
|
if (wolopts & WAKE_MCAST)
|
|
ocp_data |= MWF_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
|
|
ocp_data &= ~MAGIC_EN;
|
|
if (wolopts & WAKE_MAGIC)
|
|
ocp_data |= MAGIC_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
|
|
|
|
if (wolopts & WAKE_ANY)
|
|
device_set_wakeup_enable(&tp->udev->dev, true);
|
|
else
|
|
device_set_wakeup_enable(&tp->udev->dev, false);
|
|
}
|
|
|
|
static void r8153_mac_clk_spd(struct r8152 *tp, bool enable)
|
|
{
|
|
/* MAC clock speed down */
|
|
if (enable) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL,
|
|
ALDPS_SPDWN_RATIO);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2,
|
|
EEE_SPDWN_RATIO);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
|
|
PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
|
|
U1U2_SPDWN_EN | L1_SPDWN_EN);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
|
|
PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
|
|
TP100_SPDWN_EN | TP500_SPDWN_EN | EEE_SPDWN_EN |
|
|
TP1000_SPDWN_EN);
|
|
} else {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0);
|
|
}
|
|
}
|
|
|
|
static void r8153_u1u2en(struct r8152 *tp, bool enable)
|
|
{
|
|
u8 u1u2[8];
|
|
|
|
if (enable)
|
|
memset(u1u2, 0xff, sizeof(u1u2));
|
|
else
|
|
memset(u1u2, 0x00, sizeof(u1u2));
|
|
|
|
usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
|
|
}
|
|
|
|
static void r8153b_u1u2en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG);
|
|
if (enable)
|
|
ocp_data |= LPM_U1U2_EN;
|
|
else
|
|
ocp_data &= ~LPM_U1U2_EN;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG, ocp_data);
|
|
}
|
|
|
|
static void r8153_u2p3en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
|
|
if (enable)
|
|
ocp_data |= U2P3_ENABLE;
|
|
else
|
|
ocp_data &= ~U2P3_ENABLE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
|
|
}
|
|
|
|
static void r8153b_ups_flags(struct r8152 *tp)
|
|
{
|
|
u32 ups_flags = 0;
|
|
|
|
if (tp->ups_info.green)
|
|
ups_flags |= UPS_FLAGS_EN_GREEN;
|
|
|
|
if (tp->ups_info.aldps)
|
|
ups_flags |= UPS_FLAGS_EN_ALDPS;
|
|
|
|
if (tp->ups_info.eee)
|
|
ups_flags |= UPS_FLAGS_EN_EEE;
|
|
|
|
if (tp->ups_info.flow_control)
|
|
ups_flags |= UPS_FLAGS_EN_FLOW_CTR;
|
|
|
|
if (tp->ups_info.eee_ckdiv)
|
|
ups_flags |= UPS_FLAGS_EN_EEE_CKDIV;
|
|
|
|
if (tp->ups_info.eee_cmod_lv)
|
|
ups_flags |= UPS_FLAGS_EEE_CMOD_LV_EN;
|
|
|
|
if (tp->ups_info._10m_ckdiv)
|
|
ups_flags |= UPS_FLAGS_EN_10M_CKDIV;
|
|
|
|
if (tp->ups_info.eee_plloff_100)
|
|
ups_flags |= UPS_FLAGS_EEE_PLLOFF_100;
|
|
|
|
if (tp->ups_info.eee_plloff_giga)
|
|
ups_flags |= UPS_FLAGS_EEE_PLLOFF_GIGA;
|
|
|
|
if (tp->ups_info._250m_ckdiv)
|
|
ups_flags |= UPS_FLAGS_250M_CKDIV;
|
|
|
|
if (tp->ups_info.ctap_short_off)
|
|
ups_flags |= UPS_FLAGS_CTAP_SHORT_DIS;
|
|
|
|
switch (tp->ups_info.speed_duplex) {
|
|
case NWAY_10M_HALF:
|
|
ups_flags |= ups_flags_speed(1);
|
|
break;
|
|
case NWAY_10M_FULL:
|
|
ups_flags |= ups_flags_speed(2);
|
|
break;
|
|
case NWAY_100M_HALF:
|
|
ups_flags |= ups_flags_speed(3);
|
|
break;
|
|
case NWAY_100M_FULL:
|
|
ups_flags |= ups_flags_speed(4);
|
|
break;
|
|
case NWAY_1000M_FULL:
|
|
ups_flags |= ups_flags_speed(5);
|
|
break;
|
|
case FORCE_10M_HALF:
|
|
ups_flags |= ups_flags_speed(6);
|
|
break;
|
|
case FORCE_10M_FULL:
|
|
ups_flags |= ups_flags_speed(7);
|
|
break;
|
|
case FORCE_100M_HALF:
|
|
ups_flags |= ups_flags_speed(8);
|
|
break;
|
|
case FORCE_100M_FULL:
|
|
ups_flags |= ups_flags_speed(9);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_UPS_FLAGS, ups_flags);
|
|
}
|
|
|
|
static void r8153b_green_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u16 data;
|
|
|
|
if (enable) {
|
|
sram_write(tp, 0x8045, 0); /* 10M abiq&ldvbias */
|
|
sram_write(tp, 0x804d, 0x1222); /* 100M short abiq&ldvbias */
|
|
sram_write(tp, 0x805d, 0x0022); /* 1000M short abiq&ldvbias */
|
|
} else {
|
|
sram_write(tp, 0x8045, 0x2444); /* 10M abiq&ldvbias */
|
|
sram_write(tp, 0x804d, 0x2444); /* 100M short abiq&ldvbias */
|
|
sram_write(tp, 0x805d, 0x2444); /* 1000M short abiq&ldvbias */
|
|
}
|
|
|
|
data = sram_read(tp, SRAM_GREEN_CFG);
|
|
data |= GREEN_ETH_EN;
|
|
sram_write(tp, SRAM_GREEN_CFG, data);
|
|
|
|
tp->ups_info.green = enable;
|
|
}
|
|
|
|
static u16 r8153_phy_status(struct r8152 *tp, u16 desired)
|
|
{
|
|
u16 data;
|
|
int i;
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
data = ocp_reg_read(tp, OCP_PHY_STATUS);
|
|
data &= PHY_STAT_MASK;
|
|
if (desired) {
|
|
if (data == desired)
|
|
break;
|
|
} else if (data == PHY_STAT_LAN_ON || data == PHY_STAT_PWRDN ||
|
|
data == PHY_STAT_EXT_INIT) {
|
|
break;
|
|
}
|
|
|
|
msleep(20);
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
break;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
static void r8153b_ups_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_POWER_CUT);
|
|
|
|
if (enable) {
|
|
r8153b_ups_flags(tp);
|
|
|
|
ocp_data |= UPS_EN | USP_PREWAKE | PHASE2_EN;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, 0xcfff);
|
|
ocp_data |= BIT(0);
|
|
ocp_write_byte(tp, MCU_TYPE_USB, 0xcfff, ocp_data);
|
|
} else {
|
|
u16 data;
|
|
|
|
ocp_data &= ~(UPS_EN | USP_PREWAKE);
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, 0xcfff);
|
|
ocp_data &= ~BIT(0);
|
|
ocp_write_byte(tp, MCU_TYPE_USB, 0xcfff, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
ocp_data &= ~PCUT_STATUS;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
|
|
|
|
data = r8153_phy_status(tp, 0);
|
|
|
|
switch (data) {
|
|
case PHY_STAT_PWRDN:
|
|
case PHY_STAT_EXT_INIT:
|
|
r8153b_green_en(tp,
|
|
test_bit(GREEN_ETHERNET, &tp->flags));
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
data &= ~BMCR_PDOWN;
|
|
data |= BMCR_RESET;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
|
|
data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
|
|
/* fall through */
|
|
|
|
default:
|
|
if (data != PHY_STAT_LAN_ON)
|
|
netif_warn(tp, link, tp->netdev,
|
|
"PHY not ready");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void r8153_power_cut_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
|
|
if (enable)
|
|
ocp_data |= PWR_EN | PHASE2_EN;
|
|
else
|
|
ocp_data &= ~(PWR_EN | PHASE2_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
ocp_data &= ~PCUT_STATUS;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
|
|
}
|
|
|
|
static void r8153b_power_cut_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
|
|
if (enable)
|
|
ocp_data |= PWR_EN | PHASE2_EN;
|
|
else
|
|
ocp_data &= ~PWR_EN;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
ocp_data &= ~PCUT_STATUS;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
|
|
}
|
|
|
|
static void r8153_queue_wake(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG);
|
|
if (enable)
|
|
ocp_data |= UPCOMING_RUNTIME_D3;
|
|
else
|
|
ocp_data &= ~UPCOMING_RUNTIME_D3;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG);
|
|
ocp_data &= ~LINK_CHG_EVENT;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
|
|
ocp_data &= ~LINK_CHANGE_FLAG;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
|
|
}
|
|
|
|
static bool rtl_can_wakeup(struct r8152 *tp)
|
|
{
|
|
struct usb_device *udev = tp->udev;
|
|
|
|
return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
|
|
}
|
|
|
|
static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
u32 ocp_data;
|
|
|
|
__rtl_set_wol(tp, WAKE_ANY);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data |= LINK_OFF_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
} else {
|
|
u32 ocp_data;
|
|
|
|
__rtl_set_wol(tp, tp->saved_wolopts);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data &= ~LINK_OFF_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
}
|
|
}
|
|
|
|
static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
r8153_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153_mac_clk_spd(tp, true);
|
|
rtl_runtime_suspend_enable(tp, true);
|
|
} else {
|
|
rtl_runtime_suspend_enable(tp, false);
|
|
r8153_mac_clk_spd(tp, false);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
break;
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
default:
|
|
r8153_u2p3en(tp, true);
|
|
break;
|
|
}
|
|
|
|
r8153_u1u2en(tp, true);
|
|
}
|
|
}
|
|
|
|
static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
r8153_queue_wake(tp, true);
|
|
r8153b_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
rtl_runtime_suspend_enable(tp, true);
|
|
r8153b_ups_en(tp, true);
|
|
} else {
|
|
r8153b_ups_en(tp, false);
|
|
r8153_queue_wake(tp, false);
|
|
rtl_runtime_suspend_enable(tp, false);
|
|
if (tp->udev->speed != USB_SPEED_HIGH)
|
|
r8153b_u1u2en(tp, true);
|
|
}
|
|
}
|
|
|
|
static void r8153_teredo_off(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
case RTL_VER_07:
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
|
|
ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK |
|
|
OOB_TEREDO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
|
|
break;
|
|
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
/* The bit 0 ~ 7 are relative with teredo settings. They are
|
|
* W1C (write 1 to clear), so set all 1 to disable it.
|
|
*/
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, 0xff);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
|
|
}
|
|
|
|
static void rtl_reset_bmu(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET);
|
|
ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
|
|
ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
|
|
}
|
|
|
|
/* Clear the bp to stop the firmware before loading a new one */
|
|
static void rtl_clear_bp(struct r8152 *tp, u16 type)
|
|
{
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
break;
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ocp_write_byte(tp, type, PLA_BP_EN, 0);
|
|
break;
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
default:
|
|
if (type == MCU_TYPE_USB) {
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_8, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_9, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_10, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_11, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_12, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_13, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_14, 0);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_15, 0);
|
|
} else {
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_BP_EN, 0);
|
|
}
|
|
break;
|
|
}
|
|
|
|
ocp_write_word(tp, type, PLA_BP_0, 0);
|
|
ocp_write_word(tp, type, PLA_BP_1, 0);
|
|
ocp_write_word(tp, type, PLA_BP_2, 0);
|
|
ocp_write_word(tp, type, PLA_BP_3, 0);
|
|
ocp_write_word(tp, type, PLA_BP_4, 0);
|
|
ocp_write_word(tp, type, PLA_BP_5, 0);
|
|
ocp_write_word(tp, type, PLA_BP_6, 0);
|
|
ocp_write_word(tp, type, PLA_BP_7, 0);
|
|
|
|
/* wait 3 ms to make sure the firmware is stopped */
|
|
usleep_range(3000, 6000);
|
|
ocp_write_word(tp, type, PLA_BP_BA, 0);
|
|
}
|
|
|
|
static int r8153_patch_request(struct r8152 *tp, bool request)
|
|
{
|
|
u16 data;
|
|
int i;
|
|
|
|
data = ocp_reg_read(tp, OCP_PHY_PATCH_CMD);
|
|
if (request)
|
|
data |= PATCH_REQUEST;
|
|
else
|
|
data &= ~PATCH_REQUEST;
|
|
ocp_reg_write(tp, OCP_PHY_PATCH_CMD, data);
|
|
|
|
for (i = 0; request && i < 5000; i++) {
|
|
usleep_range(1000, 2000);
|
|
if (ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)
|
|
break;
|
|
}
|
|
|
|
if (request && !(ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)) {
|
|
netif_err(tp, drv, tp->netdev, "patch request fail\n");
|
|
r8153_patch_request(tp, false);
|
|
return -ETIME;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int r8153_pre_ram_code(struct r8152 *tp, u16 key_addr, u16 patch_key)
|
|
{
|
|
if (r8153_patch_request(tp, true)) {
|
|
dev_err(&tp->intf->dev, "patch request fail\n");
|
|
return -ETIME;
|
|
}
|
|
|
|
sram_write(tp, key_addr, patch_key);
|
|
sram_write(tp, SRAM_PHY_LOCK, PHY_PATCH_LOCK);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_post_ram_code(struct r8152 *tp, u16 key_addr)
|
|
{
|
|
u16 data;
|
|
|
|
sram_write(tp, 0x0000, 0x0000);
|
|
|
|
data = ocp_reg_read(tp, OCP_PHY_LOCK);
|
|
data &= ~PATCH_LOCK;
|
|
ocp_reg_write(tp, OCP_PHY_LOCK, data);
|
|
|
|
sram_write(tp, key_addr, 0x0000);
|
|
|
|
r8153_patch_request(tp, false);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, tp->ocp_base);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool rtl8152_is_fw_phy_nc_ok(struct r8152 *tp, struct fw_phy_nc *phy)
|
|
{
|
|
u32 length;
|
|
u16 fw_offset, fw_reg, ba_reg, patch_en_addr, mode_reg, bp_start;
|
|
bool rc = false;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
fw_reg = 0xa014;
|
|
ba_reg = 0xa012;
|
|
patch_en_addr = 0xa01a;
|
|
mode_reg = 0xb820;
|
|
bp_start = 0xa000;
|
|
break;
|
|
default:
|
|
goto out;
|
|
}
|
|
|
|
fw_offset = __le16_to_cpu(phy->fw_offset);
|
|
if (fw_offset < sizeof(*phy)) {
|
|
dev_err(&tp->intf->dev, "fw_offset too small\n");
|
|
goto out;
|
|
}
|
|
|
|
length = __le32_to_cpu(phy->blk_hdr.length);
|
|
if (length < fw_offset) {
|
|
dev_err(&tp->intf->dev, "invalid fw_offset\n");
|
|
goto out;
|
|
}
|
|
|
|
length -= __le16_to_cpu(phy->fw_offset);
|
|
if (!length || (length & 1)) {
|
|
dev_err(&tp->intf->dev, "invalid block length\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->fw_reg) != fw_reg) {
|
|
dev_err(&tp->intf->dev, "invalid register to load firmware\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->ba_reg) != ba_reg) {
|
|
dev_err(&tp->intf->dev, "invalid base address register\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->patch_en_addr) != patch_en_addr) {
|
|
dev_err(&tp->intf->dev,
|
|
"invalid patch mode enabled register\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->mode_reg) != mode_reg) {
|
|
dev_err(&tp->intf->dev,
|
|
"invalid register to switch the mode\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->bp_start) != bp_start) {
|
|
dev_err(&tp->intf->dev,
|
|
"invalid start register of break point\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(phy->bp_num) > 4) {
|
|
dev_err(&tp->intf->dev, "invalid break point number\n");
|
|
goto out;
|
|
}
|
|
|
|
rc = true;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static bool rtl8152_is_fw_mac_ok(struct r8152 *tp, struct fw_mac *mac)
|
|
{
|
|
u16 fw_reg, bp_ba_addr, bp_en_addr, bp_start, fw_offset;
|
|
bool rc = false;
|
|
u32 length, type;
|
|
int i, max_bp;
|
|
|
|
type = __le32_to_cpu(mac->blk_hdr.type);
|
|
if (type == RTL_FW_PLA) {
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
fw_reg = 0xf800;
|
|
bp_ba_addr = PLA_BP_BA;
|
|
bp_en_addr = 0;
|
|
bp_start = PLA_BP_0;
|
|
max_bp = 8;
|
|
break;
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
fw_reg = 0xf800;
|
|
bp_ba_addr = PLA_BP_BA;
|
|
bp_en_addr = PLA_BP_EN;
|
|
bp_start = PLA_BP_0;
|
|
max_bp = 8;
|
|
break;
|
|
default:
|
|
goto out;
|
|
}
|
|
} else if (type == RTL_FW_USB) {
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
fw_reg = 0xf800;
|
|
bp_ba_addr = USB_BP_BA;
|
|
bp_en_addr = USB_BP_EN;
|
|
bp_start = USB_BP_0;
|
|
max_bp = 8;
|
|
break;
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
fw_reg = 0xe600;
|
|
bp_ba_addr = USB_BP_BA;
|
|
bp_en_addr = USB_BP2_EN;
|
|
bp_start = USB_BP_0;
|
|
max_bp = 16;
|
|
break;
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
default:
|
|
goto out;
|
|
}
|
|
} else {
|
|
goto out;
|
|
}
|
|
|
|
fw_offset = __le16_to_cpu(mac->fw_offset);
|
|
if (fw_offset < sizeof(*mac)) {
|
|
dev_err(&tp->intf->dev, "fw_offset too small\n");
|
|
goto out;
|
|
}
|
|
|
|
length = __le32_to_cpu(mac->blk_hdr.length);
|
|
if (length < fw_offset) {
|
|
dev_err(&tp->intf->dev, "invalid fw_offset\n");
|
|
goto out;
|
|
}
|
|
|
|
length -= fw_offset;
|
|
if (length < 4 || (length & 3)) {
|
|
dev_err(&tp->intf->dev, "invalid block length\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(mac->fw_reg) != fw_reg) {
|
|
dev_err(&tp->intf->dev, "invalid register to load firmware\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(mac->bp_ba_addr) != bp_ba_addr) {
|
|
dev_err(&tp->intf->dev, "invalid base address register\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(mac->bp_en_addr) != bp_en_addr) {
|
|
dev_err(&tp->intf->dev, "invalid enabled mask register\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(mac->bp_start) != bp_start) {
|
|
dev_err(&tp->intf->dev,
|
|
"invalid start register of break point\n");
|
|
goto out;
|
|
}
|
|
|
|
if (__le16_to_cpu(mac->bp_num) > max_bp) {
|
|
dev_err(&tp->intf->dev, "invalid break point number\n");
|
|
goto out;
|
|
}
|
|
|
|
for (i = __le16_to_cpu(mac->bp_num); i < max_bp; i++) {
|
|
if (mac->bp[i]) {
|
|
dev_err(&tp->intf->dev, "unused bp%u is not zero\n", i);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
rc = true;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
/* Verify the checksum for the firmware file. It is calculated from the version
|
|
* field to the end of the file. Compare the result with the checksum field to
|
|
* make sure the file is correct.
|
|
*/
|
|
static long rtl8152_fw_verify_checksum(struct r8152 *tp,
|
|
struct fw_header *fw_hdr, size_t size)
|
|
{
|
|
unsigned char checksum[sizeof(fw_hdr->checksum)];
|
|
struct crypto_shash *alg;
|
|
struct shash_desc *sdesc;
|
|
size_t len;
|
|
long rc;
|
|
|
|
alg = crypto_alloc_shash("sha256", 0, 0);
|
|
if (IS_ERR(alg)) {
|
|
rc = PTR_ERR(alg);
|
|
goto out;
|
|
}
|
|
|
|
if (crypto_shash_digestsize(alg) != sizeof(fw_hdr->checksum)) {
|
|
rc = -EFAULT;
|
|
dev_err(&tp->intf->dev, "digestsize incorrect (%u)\n",
|
|
crypto_shash_digestsize(alg));
|
|
goto free_shash;
|
|
}
|
|
|
|
len = sizeof(*sdesc) + crypto_shash_descsize(alg);
|
|
sdesc = kmalloc(len, GFP_KERNEL);
|
|
if (!sdesc) {
|
|
rc = -ENOMEM;
|
|
goto free_shash;
|
|
}
|
|
sdesc->tfm = alg;
|
|
|
|
len = size - sizeof(fw_hdr->checksum);
|
|
rc = crypto_shash_digest(sdesc, fw_hdr->version, len, checksum);
|
|
kfree(sdesc);
|
|
if (rc)
|
|
goto free_shash;
|
|
|
|
if (memcmp(fw_hdr->checksum, checksum, sizeof(fw_hdr->checksum))) {
|
|
dev_err(&tp->intf->dev, "checksum fail\n");
|
|
rc = -EFAULT;
|
|
}
|
|
|
|
free_shash:
|
|
crypto_free_shash(alg);
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static long rtl8152_check_firmware(struct r8152 *tp, struct rtl_fw *rtl_fw)
|
|
{
|
|
const struct firmware *fw = rtl_fw->fw;
|
|
struct fw_header *fw_hdr = (struct fw_header *)fw->data;
|
|
struct fw_mac *pla = NULL, *usb = NULL;
|
|
struct fw_phy_patch_key *start = NULL;
|
|
struct fw_phy_nc *phy_nc = NULL;
|
|
struct fw_block *stop = NULL;
|
|
long ret = -EFAULT;
|
|
int i;
|
|
|
|
if (fw->size < sizeof(*fw_hdr)) {
|
|
dev_err(&tp->intf->dev, "file too small\n");
|
|
goto fail;
|
|
}
|
|
|
|
ret = rtl8152_fw_verify_checksum(tp, fw_hdr, fw->size);
|
|
if (ret)
|
|
goto fail;
|
|
|
|
ret = -EFAULT;
|
|
|
|
for (i = sizeof(*fw_hdr); i < fw->size;) {
|
|
struct fw_block *block = (struct fw_block *)&fw->data[i];
|
|
u32 type;
|
|
|
|
if ((i + sizeof(*block)) > fw->size)
|
|
goto fail;
|
|
|
|
type = __le32_to_cpu(block->type);
|
|
switch (type) {
|
|
case RTL_FW_END:
|
|
if (__le32_to_cpu(block->length) != sizeof(*block))
|
|
goto fail;
|
|
goto fw_end;
|
|
case RTL_FW_PLA:
|
|
if (pla) {
|
|
dev_err(&tp->intf->dev,
|
|
"multiple PLA firmware encountered");
|
|
goto fail;
|
|
}
|
|
|
|
pla = (struct fw_mac *)block;
|
|
if (!rtl8152_is_fw_mac_ok(tp, pla)) {
|
|
dev_err(&tp->intf->dev,
|
|
"check PLA firmware failed\n");
|
|
goto fail;
|
|
}
|
|
break;
|
|
case RTL_FW_USB:
|
|
if (usb) {
|
|
dev_err(&tp->intf->dev,
|
|
"multiple USB firmware encountered");
|
|
goto fail;
|
|
}
|
|
|
|
usb = (struct fw_mac *)block;
|
|
if (!rtl8152_is_fw_mac_ok(tp, usb)) {
|
|
dev_err(&tp->intf->dev,
|
|
"check USB firmware failed\n");
|
|
goto fail;
|
|
}
|
|
break;
|
|
case RTL_FW_PHY_START:
|
|
if (start || phy_nc || stop) {
|
|
dev_err(&tp->intf->dev,
|
|
"check PHY_START fail\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (__le32_to_cpu(block->length) != sizeof(*start)) {
|
|
dev_err(&tp->intf->dev,
|
|
"Invalid length for PHY_START\n");
|
|
goto fail;
|
|
}
|
|
|
|
start = (struct fw_phy_patch_key *)block;
|
|
break;
|
|
case RTL_FW_PHY_STOP:
|
|
if (stop || !start) {
|
|
dev_err(&tp->intf->dev,
|
|
"Check PHY_STOP fail\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (__le32_to_cpu(block->length) != sizeof(*block)) {
|
|
dev_err(&tp->intf->dev,
|
|
"Invalid length for PHY_STOP\n");
|
|
goto fail;
|
|
}
|
|
|
|
stop = block;
|
|
break;
|
|
case RTL_FW_PHY_NC:
|
|
if (!start || stop) {
|
|
dev_err(&tp->intf->dev,
|
|
"check PHY_NC fail\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (phy_nc) {
|
|
dev_err(&tp->intf->dev,
|
|
"multiple PHY NC encountered\n");
|
|
goto fail;
|
|
}
|
|
|
|
phy_nc = (struct fw_phy_nc *)block;
|
|
if (!rtl8152_is_fw_phy_nc_ok(tp, phy_nc)) {
|
|
dev_err(&tp->intf->dev,
|
|
"check PHY NC firmware failed\n");
|
|
goto fail;
|
|
}
|
|
|
|
break;
|
|
default:
|
|
dev_warn(&tp->intf->dev, "Unknown type %u is found\n",
|
|
type);
|
|
break;
|
|
}
|
|
|
|
/* next block */
|
|
i += ALIGN(__le32_to_cpu(block->length), 8);
|
|
}
|
|
|
|
fw_end:
|
|
if ((phy_nc || start) && !stop) {
|
|
dev_err(&tp->intf->dev, "without PHY_STOP\n");
|
|
goto fail;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static void rtl8152_fw_phy_nc_apply(struct r8152 *tp, struct fw_phy_nc *phy)
|
|
{
|
|
u16 mode_reg, bp_index;
|
|
u32 length, i, num;
|
|
__le16 *data;
|
|
|
|
mode_reg = __le16_to_cpu(phy->mode_reg);
|
|
sram_write(tp, mode_reg, __le16_to_cpu(phy->mode_pre));
|
|
sram_write(tp, __le16_to_cpu(phy->ba_reg),
|
|
__le16_to_cpu(phy->ba_data));
|
|
|
|
length = __le32_to_cpu(phy->blk_hdr.length);
|
|
length -= __le16_to_cpu(phy->fw_offset);
|
|
num = length / 2;
|
|
data = (__le16 *)((u8 *)phy + __le16_to_cpu(phy->fw_offset));
|
|
|
|
ocp_reg_write(tp, OCP_SRAM_ADDR, __le16_to_cpu(phy->fw_reg));
|
|
for (i = 0; i < num; i++)
|
|
ocp_reg_write(tp, OCP_SRAM_DATA, __le16_to_cpu(data[i]));
|
|
|
|
sram_write(tp, __le16_to_cpu(phy->patch_en_addr),
|
|
__le16_to_cpu(phy->patch_en_value));
|
|
|
|
bp_index = __le16_to_cpu(phy->bp_start);
|
|
num = __le16_to_cpu(phy->bp_num);
|
|
for (i = 0; i < num; i++) {
|
|
sram_write(tp, bp_index, __le16_to_cpu(phy->bp[i]));
|
|
bp_index += 2;
|
|
}
|
|
|
|
sram_write(tp, mode_reg, __le16_to_cpu(phy->mode_post));
|
|
|
|
dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
|
|
}
|
|
|
|
static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
|
|
{
|
|
u16 bp_en_addr, bp_index, type, bp_num, fw_ver_reg;
|
|
u32 length;
|
|
u8 *data;
|
|
int i;
|
|
|
|
switch (__le32_to_cpu(mac->blk_hdr.type)) {
|
|
case RTL_FW_PLA:
|
|
type = MCU_TYPE_PLA;
|
|
break;
|
|
case RTL_FW_USB:
|
|
type = MCU_TYPE_USB;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
rtl_clear_bp(tp, type);
|
|
|
|
/* Enable backup/restore of MACDBG. This is required after clearing PLA
|
|
* break points and before applying the PLA firmware.
|
|
*/
|
|
if (tp->version == RTL_VER_04 && type == MCU_TYPE_PLA &&
|
|
!(ocp_read_word(tp, MCU_TYPE_PLA, PLA_MACDBG_POST) & DEBUG_OE)) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MACDBG_PRE, DEBUG_LTSSM);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MACDBG_POST, DEBUG_LTSSM);
|
|
}
|
|
|
|
length = __le32_to_cpu(mac->blk_hdr.length);
|
|
length -= __le16_to_cpu(mac->fw_offset);
|
|
|
|
data = (u8 *)mac;
|
|
data += __le16_to_cpu(mac->fw_offset);
|
|
|
|
generic_ocp_write(tp, __le16_to_cpu(mac->fw_reg), 0xff, length, data,
|
|
type);
|
|
|
|
ocp_write_word(tp, type, __le16_to_cpu(mac->bp_ba_addr),
|
|
__le16_to_cpu(mac->bp_ba_value));
|
|
|
|
bp_index = __le16_to_cpu(mac->bp_start);
|
|
bp_num = __le16_to_cpu(mac->bp_num);
|
|
for (i = 0; i < bp_num; i++) {
|
|
ocp_write_word(tp, type, bp_index, __le16_to_cpu(mac->bp[i]));
|
|
bp_index += 2;
|
|
}
|
|
|
|
bp_en_addr = __le16_to_cpu(mac->bp_en_addr);
|
|
if (bp_en_addr)
|
|
ocp_write_word(tp, type, bp_en_addr,
|
|
__le16_to_cpu(mac->bp_en_value));
|
|
|
|
fw_ver_reg = __le16_to_cpu(mac->fw_ver_reg);
|
|
if (fw_ver_reg)
|
|
ocp_write_byte(tp, MCU_TYPE_USB, fw_ver_reg,
|
|
mac->fw_ver_data);
|
|
|
|
dev_dbg(&tp->intf->dev, "successfully applied %s\n", mac->info);
|
|
}
|
|
|
|
static void rtl8152_apply_firmware(struct r8152 *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw = &tp->rtl_fw;
|
|
const struct firmware *fw;
|
|
struct fw_header *fw_hdr;
|
|
struct fw_phy_patch_key *key;
|
|
u16 key_addr = 0;
|
|
int i;
|
|
|
|
if (IS_ERR_OR_NULL(rtl_fw->fw))
|
|
return;
|
|
|
|
fw = rtl_fw->fw;
|
|
fw_hdr = (struct fw_header *)fw->data;
|
|
|
|
if (rtl_fw->pre_fw)
|
|
rtl_fw->pre_fw(tp);
|
|
|
|
for (i = offsetof(struct fw_header, blocks); i < fw->size;) {
|
|
struct fw_block *block = (struct fw_block *)&fw->data[i];
|
|
|
|
switch (__le32_to_cpu(block->type)) {
|
|
case RTL_FW_END:
|
|
goto post_fw;
|
|
case RTL_FW_PLA:
|
|
case RTL_FW_USB:
|
|
rtl8152_fw_mac_apply(tp, (struct fw_mac *)block);
|
|
break;
|
|
case RTL_FW_PHY_START:
|
|
key = (struct fw_phy_patch_key *)block;
|
|
key_addr = __le16_to_cpu(key->key_reg);
|
|
r8153_pre_ram_code(tp, key_addr,
|
|
__le16_to_cpu(key->key_data));
|
|
break;
|
|
case RTL_FW_PHY_STOP:
|
|
WARN_ON(!key_addr);
|
|
r8153_post_ram_code(tp, key_addr);
|
|
break;
|
|
case RTL_FW_PHY_NC:
|
|
rtl8152_fw_phy_nc_apply(tp, (struct fw_phy_nc *)block);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
i += ALIGN(__le32_to_cpu(block->length), 8);
|
|
}
|
|
|
|
post_fw:
|
|
if (rtl_fw->post_fw)
|
|
rtl_fw->post_fw(tp);
|
|
|
|
strscpy(rtl_fw->version, fw_hdr->version, RTL_VER_SIZE);
|
|
dev_info(&tp->intf->dev, "load %s successfully\n", rtl_fw->version);
|
|
}
|
|
|
|
static void rtl8152_release_firmware(struct r8152 *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw = &tp->rtl_fw;
|
|
|
|
if (!IS_ERR_OR_NULL(rtl_fw->fw)) {
|
|
release_firmware(rtl_fw->fw);
|
|
rtl_fw->fw = NULL;
|
|
}
|
|
}
|
|
|
|
static int rtl8152_request_firmware(struct r8152 *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw = &tp->rtl_fw;
|
|
long rc;
|
|
|
|
if (rtl_fw->fw || !rtl_fw->fw_name) {
|
|
dev_info(&tp->intf->dev, "skip request firmware\n");
|
|
rc = 0;
|
|
goto result;
|
|
}
|
|
|
|
rc = request_firmware(&rtl_fw->fw, rtl_fw->fw_name, &tp->intf->dev);
|
|
if (rc < 0)
|
|
goto result;
|
|
|
|
rc = rtl8152_check_firmware(tp, rtl_fw);
|
|
if (rc < 0)
|
|
release_firmware(rtl_fw->fw);
|
|
|
|
result:
|
|
if (rc) {
|
|
rtl_fw->fw = ERR_PTR(rc);
|
|
|
|
dev_warn(&tp->intf->dev,
|
|
"unable to load firmware patch %s (%ld)\n",
|
|
rtl_fw->fw_name, rc);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void r8152_aldps_en(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
|
|
LINKENA | DIS_SDSAVE);
|
|
} else {
|
|
ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA |
|
|
DIS_SDSAVE);
|
|
msleep(20);
|
|
}
|
|
}
|
|
|
|
static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
|
|
{
|
|
ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
|
|
ocp_reg_write(tp, OCP_EEE_DATA, reg);
|
|
ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
|
|
}
|
|
|
|
static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
|
|
{
|
|
u16 data;
|
|
|
|
r8152_mmd_indirect(tp, dev, reg);
|
|
data = ocp_reg_read(tp, OCP_EEE_DATA);
|
|
ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
|
|
|
|
return data;
|
|
}
|
|
|
|
static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
|
|
{
|
|
r8152_mmd_indirect(tp, dev, reg);
|
|
ocp_reg_write(tp, OCP_EEE_DATA, data);
|
|
ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
|
|
}
|
|
|
|
static void r8152_eee_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u16 config1, config2, config3;
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
|
|
config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
|
|
config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
|
|
|
|
if (enable) {
|
|
ocp_data |= EEE_RX_EN | EEE_TX_EN;
|
|
config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
|
|
config1 |= sd_rise_time(1);
|
|
config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
|
|
config3 |= fast_snr(42);
|
|
} else {
|
|
ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
|
|
config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
|
|
RX_QUIET_EN);
|
|
config1 |= sd_rise_time(7);
|
|
config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
|
|
config3 |= fast_snr(511);
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
|
|
}
|
|
|
|
static void r8153_eee_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
u16 config;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
config = ocp_reg_read(tp, OCP_EEE_CFG);
|
|
|
|
if (enable) {
|
|
ocp_data |= EEE_RX_EN | EEE_TX_EN;
|
|
config |= EEE10_EN;
|
|
} else {
|
|
ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
|
|
config &= ~EEE10_EN;
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
|
|
ocp_reg_write(tp, OCP_EEE_CFG, config);
|
|
|
|
tp->ups_info.eee = enable;
|
|
}
|
|
|
|
static void rtl_eee_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
if (enable) {
|
|
r8152_eee_en(tp, true);
|
|
r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV,
|
|
tp->eee_adv);
|
|
} else {
|
|
r8152_eee_en(tp, false);
|
|
r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0);
|
|
}
|
|
break;
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
if (enable) {
|
|
r8153_eee_en(tp, true);
|
|
ocp_reg_write(tp, OCP_EEE_ADV, tp->eee_adv);
|
|
} else {
|
|
r8153_eee_en(tp, false);
|
|
ocp_reg_write(tp, OCP_EEE_ADV, 0);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void r8152b_enable_fc(struct r8152 *tp)
|
|
{
|
|
u16 anar;
|
|
|
|
anar = r8152_mdio_read(tp, MII_ADVERTISE);
|
|
anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
|
|
r8152_mdio_write(tp, MII_ADVERTISE, anar);
|
|
|
|
tp->ups_info.flow_control = true;
|
|
}
|
|
|
|
static void rtl8152_disable(struct r8152 *tp)
|
|
{
|
|
r8152_aldps_en(tp, false);
|
|
rtl_disable(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void r8152b_hw_phy_cfg(struct r8152 *tp)
|
|
{
|
|
rtl8152_apply_firmware(tp);
|
|
rtl_eee_enable(tp, tp->eee_en);
|
|
r8152_aldps_en(tp, true);
|
|
r8152b_enable_fc(tp);
|
|
|
|
set_bit(PHY_RESET, &tp->flags);
|
|
}
|
|
|
|
static void wait_oob_link_list_ready(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
}
|
|
|
|
static void r8152b_exit_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rxdy_gated_en(tp, true);
|
|
r8153_teredo_off(tp);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data &= ~MCU_BORW_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
|
|
/* rx share fifo credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
|
|
|
|
if (tp->udev->speed == USB_SPEED_FULL ||
|
|
tp->udev->speed == USB_SPEED_LOW) {
|
|
/* rx share fifo credit near full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
|
|
RXFIFO_THR2_FULL);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
|
|
RXFIFO_THR3_FULL);
|
|
} else {
|
|
/* rx share fifo credit near full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
|
|
RXFIFO_THR2_HIGH);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
|
|
RXFIFO_THR3_HIGH);
|
|
}
|
|
|
|
/* TX share fifo free credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
|
|
TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
|
|
|
|
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
|
|
ocp_data |= TCR0_AUTO_FIFO;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
|
|
}
|
|
|
|
static void r8152b_enter_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
|
|
|
|
rtl_disable(tp);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
|
|
|
|
rtl_rx_vlan_en(tp, true);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
|
|
ocp_data |= ALDPS_PROXY_MODE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data |= RCR_APM | RCR_AM | RCR_AB;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
}
|
|
|
|
static int r8153_pre_firmware_1(struct r8152 *tp)
|
|
{
|
|
int i;
|
|
|
|
/* Wait till the WTD timer is ready. It would take at most 104 ms. */
|
|
for (i = 0; i < 104; i++) {
|
|
u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL);
|
|
|
|
if (!(ocp_data & WTD1_EN))
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_post_firmware_1(struct r8152 *tp)
|
|
{
|
|
/* set USB_BP_4 to support USB_SPEED_SUPER only */
|
|
if (ocp_read_byte(tp, MCU_TYPE_USB, USB_CSTMR) & FORCE_SUPER)
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_4, BP4_SUPER_ONLY);
|
|
|
|
/* reset UPHY timer to 36 ms */
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_UPHY_TIMER, 36000 / 16);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_pre_firmware_2(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
r8153_pre_firmware_1(tp);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0);
|
|
ocp_data &= ~FW_FIX_SUSPEND;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0, ocp_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_post_firmware_2(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
/* enable bp0 if support USB_SPEED_SUPER only */
|
|
if (ocp_read_byte(tp, MCU_TYPE_USB, USB_CSTMR) & FORCE_SUPER) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BP_EN);
|
|
ocp_data |= BIT(0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_EN, ocp_data);
|
|
}
|
|
|
|
/* reset UPHY timer to 36 ms */
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_UPHY_TIMER, 36000 / 16);
|
|
|
|
/* enable U3P3 check, set the counter to 4 */
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, U3P3_CHECK_EN | 4);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0);
|
|
ocp_data |= FW_FIX_SUSPEND;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
|
|
ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_post_firmware_3(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
|
|
ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
|
|
ocp_data |= FW_IP_RESET_EN;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153b_pre_firmware_1(struct r8152 *tp)
|
|
{
|
|
/* enable fc timer and set timer to 1 second. */
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FC_TIMER,
|
|
CTRL_TIMER_EN | (1000 / 8));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153b_post_firmware_1(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
/* enable bp0 for RTL8153-BND */
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1);
|
|
if (ocp_data & BND_MASK) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BP_EN);
|
|
ocp_data |= BIT(0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_EN, ocp_data);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_CTRL);
|
|
ocp_data |= FLOW_CTRL_PATCH_OPT;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
|
|
ocp_data |= FC_PATCH_TASK;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
|
|
ocp_data |= FW_IP_RESET_EN;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void r8153_aldps_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u16 data;
|
|
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
if (enable) {
|
|
data |= EN_ALDPS;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
} else {
|
|
int i;
|
|
|
|
data &= ~EN_ALDPS;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
for (i = 0; i < 20; i++) {
|
|
usleep_range(1000, 2000);
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100)
|
|
break;
|
|
}
|
|
}
|
|
|
|
tp->ups_info.aldps = enable;
|
|
}
|
|
|
|
static void r8153_hw_phy_cfg(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
|
|
/* disable ALDPS before updating the PHY parameters */
|
|
r8153_aldps_en(tp, false);
|
|
|
|
/* disable EEE before updating the PHY parameters */
|
|
rtl_eee_enable(tp, false);
|
|
|
|
rtl8152_apply_firmware(tp);
|
|
|
|
if (tp->version == RTL_VER_03) {
|
|
data = ocp_reg_read(tp, OCP_EEE_CFG);
|
|
data &= ~CTAP_SHORT_EN;
|
|
ocp_reg_write(tp, OCP_EEE_CFG, data);
|
|
}
|
|
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
data |= EEE_CLKDIV_EN;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
|
|
data = ocp_reg_read(tp, OCP_DOWN_SPEED);
|
|
data |= EN_10M_BGOFF;
|
|
ocp_reg_write(tp, OCP_DOWN_SPEED, data);
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
data |= EN_10M_PLLOFF;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= PFM_PWM_SWITCH;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
|
|
/* Enable LPF corner auto tune */
|
|
sram_write(tp, SRAM_LPF_CFG, 0xf70f);
|
|
|
|
/* Adjust 10M Amplitude */
|
|
sram_write(tp, SRAM_10M_AMP1, 0x00af);
|
|
sram_write(tp, SRAM_10M_AMP2, 0x0208);
|
|
|
|
if (tp->eee_en)
|
|
rtl_eee_enable(tp, true);
|
|
|
|
r8153_aldps_en(tp, true);
|
|
r8152b_enable_fc(tp);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
break;
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
default:
|
|
r8153_u2p3en(tp, true);
|
|
break;
|
|
}
|
|
|
|
set_bit(PHY_RESET, &tp->flags);
|
|
}
|
|
|
|
static u32 r8152_efuse_read(struct r8152 *tp, u8 addr)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD, EFUSE_READ_CMD | addr);
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD);
|
|
ocp_data = (ocp_data & EFUSE_DATA_BIT16) << 9; /* data of bit16 */
|
|
ocp_data |= ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_DATA);
|
|
|
|
return ocp_data;
|
|
}
|
|
|
|
static void r8153b_hw_phy_cfg(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
|
|
/* disable ALDPS before updating the PHY parameters */
|
|
r8153_aldps_en(tp, false);
|
|
|
|
/* disable EEE before updating the PHY parameters */
|
|
rtl_eee_enable(tp, false);
|
|
|
|
rtl8152_apply_firmware(tp);
|
|
|
|
r8153b_green_en(tp, test_bit(GREEN_ETHERNET, &tp->flags));
|
|
|
|
data = sram_read(tp, SRAM_GREEN_CFG);
|
|
data |= R_TUNE_EN;
|
|
sram_write(tp, SRAM_GREEN_CFG, data);
|
|
data = ocp_reg_read(tp, OCP_NCTL_CFG);
|
|
data |= PGA_RETURN_EN;
|
|
ocp_reg_write(tp, OCP_NCTL_CFG, data);
|
|
|
|
/* ADC Bias Calibration:
|
|
* read efuse offset 0x7d to get a 17-bit data. Remove the dummy/fake
|
|
* bit (bit3) to rebuild the real 16-bit data. Write the data to the
|
|
* ADC ioffset.
|
|
*/
|
|
ocp_data = r8152_efuse_read(tp, 0x7d);
|
|
data = (u16)(((ocp_data & 0x1fff0) >> 1) | (ocp_data & 0x7));
|
|
if (data != 0xffff)
|
|
ocp_reg_write(tp, OCP_ADC_IOFFSET, data);
|
|
|
|
/* ups mode tx-link-pulse timing adjustment:
|
|
* rg_saw_cnt = OCP reg 0xC426 Bit[13:0]
|
|
* swr_cnt_1ms_ini = 16000000 / rg_saw_cnt
|
|
*/
|
|
ocp_data = ocp_reg_read(tp, 0xc426);
|
|
ocp_data &= 0x3fff;
|
|
if (ocp_data) {
|
|
u32 swr_cnt_1ms_ini;
|
|
|
|
swr_cnt_1ms_ini = (16000000 / ocp_data) & SAW_CNT_1MS_MASK;
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CFG);
|
|
ocp_data = (ocp_data & ~SAW_CNT_1MS_MASK) | swr_cnt_1ms_ini;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CFG, ocp_data);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= PFM_PWM_SWITCH;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
|
|
/* Advnace EEE */
|
|
if (!r8153_patch_request(tp, true)) {
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
data |= EEE_CLKDIV_EN;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
tp->ups_info.eee_ckdiv = true;
|
|
|
|
data = ocp_reg_read(tp, OCP_DOWN_SPEED);
|
|
data |= EN_EEE_CMODE | EN_EEE_1000 | EN_10M_CLKDIV;
|
|
ocp_reg_write(tp, OCP_DOWN_SPEED, data);
|
|
tp->ups_info.eee_cmod_lv = true;
|
|
tp->ups_info._10m_ckdiv = true;
|
|
tp->ups_info.eee_plloff_giga = true;
|
|
|
|
ocp_reg_write(tp, OCP_SYSCLK_CFG, 0);
|
|
ocp_reg_write(tp, OCP_SYSCLK_CFG, clk_div_expo(5));
|
|
tp->ups_info._250m_ckdiv = true;
|
|
|
|
r8153_patch_request(tp, false);
|
|
}
|
|
|
|
if (tp->eee_en)
|
|
rtl_eee_enable(tp, true);
|
|
|
|
r8153_aldps_en(tp, true);
|
|
r8152b_enable_fc(tp);
|
|
|
|
set_bit(PHY_RESET, &tp->flags);
|
|
}
|
|
|
|
static void r8153_first_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
r8153_mac_clk_spd(tp, false);
|
|
rxdy_gated_en(tp, true);
|
|
r8153_teredo_off(tp);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
rtl_reset_bmu(tp);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data &= ~MCU_BORW_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
|
|
|
|
ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
|
|
ocp_data |= TCR0_AUTO_FIFO;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
|
|
/* rx share fifo credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
|
|
/* TX share fifo free credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
|
|
}
|
|
|
|
static void r8153_enter_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
r8153_mac_clk_spd(tp, true);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rtl_disable(tp);
|
|
rtl_reset_bmu(tp);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
wait_oob_link_list_ready(tp);
|
|
|
|
ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
|
|
ocp_data &= ~TEREDO_WAKE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
|
|
break;
|
|
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
/* Clear teredo wake event. bit[15:8] is the teredo wakeup
|
|
* type. Set it to zero. bits[7:0] are the W1C bits about
|
|
* the events. Set them to all 1 to clear them.
|
|
*/
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_WAKE_BASE, 0x00ff);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
rtl_rx_vlan_en(tp, true);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
|
|
ocp_data |= ALDPS_PROXY_MODE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data |= RCR_APM | RCR_AM | RCR_AB;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
}
|
|
|
|
static void rtl8153_disable(struct r8152 *tp)
|
|
{
|
|
r8153_aldps_en(tp, false);
|
|
rtl_disable(tp);
|
|
rtl_reset_bmu(tp);
|
|
r8153_aldps_en(tp, true);
|
|
}
|
|
|
|
static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex,
|
|
u32 advertising)
|
|
{
|
|
u16 bmcr;
|
|
int ret = 0;
|
|
|
|
if (autoneg == AUTONEG_DISABLE) {
|
|
if (duplex != DUPLEX_HALF && duplex != DUPLEX_FULL)
|
|
return -EINVAL;
|
|
|
|
switch (speed) {
|
|
case SPEED_10:
|
|
bmcr = BMCR_SPEED10;
|
|
if (duplex == DUPLEX_FULL) {
|
|
bmcr |= BMCR_FULLDPLX;
|
|
tp->ups_info.speed_duplex = FORCE_10M_FULL;
|
|
} else {
|
|
tp->ups_info.speed_duplex = FORCE_10M_HALF;
|
|
}
|
|
break;
|
|
case SPEED_100:
|
|
bmcr = BMCR_SPEED100;
|
|
if (duplex == DUPLEX_FULL) {
|
|
bmcr |= BMCR_FULLDPLX;
|
|
tp->ups_info.speed_duplex = FORCE_100M_FULL;
|
|
} else {
|
|
tp->ups_info.speed_duplex = FORCE_100M_HALF;
|
|
}
|
|
break;
|
|
case SPEED_1000:
|
|
if (tp->mii.supports_gmii) {
|
|
bmcr = BMCR_SPEED1000 | BMCR_FULLDPLX;
|
|
tp->ups_info.speed_duplex = NWAY_1000M_FULL;
|
|
break;
|
|
}
|
|
/* fall through */
|
|
default:
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (duplex == DUPLEX_FULL)
|
|
tp->mii.full_duplex = 1;
|
|
else
|
|
tp->mii.full_duplex = 0;
|
|
|
|
tp->mii.force_media = 1;
|
|
} else {
|
|
u16 anar, tmp1;
|
|
u32 support;
|
|
|
|
support = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL |
|
|
RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL;
|
|
|
|
if (tp->mii.supports_gmii)
|
|
support |= RTL_ADVERTISED_1000_FULL;
|
|
|
|
if (!(advertising & support))
|
|
return -EINVAL;
|
|
|
|
anar = r8152_mdio_read(tp, MII_ADVERTISE);
|
|
tmp1 = anar & ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
|
|
ADVERTISE_100HALF | ADVERTISE_100FULL);
|
|
if (advertising & RTL_ADVERTISED_10_HALF) {
|
|
tmp1 |= ADVERTISE_10HALF;
|
|
tp->ups_info.speed_duplex = NWAY_10M_HALF;
|
|
}
|
|
if (advertising & RTL_ADVERTISED_10_FULL) {
|
|
tmp1 |= ADVERTISE_10FULL;
|
|
tp->ups_info.speed_duplex = NWAY_10M_FULL;
|
|
}
|
|
|
|
if (advertising & RTL_ADVERTISED_100_HALF) {
|
|
tmp1 |= ADVERTISE_100HALF;
|
|
tp->ups_info.speed_duplex = NWAY_100M_HALF;
|
|
}
|
|
if (advertising & RTL_ADVERTISED_100_FULL) {
|
|
tmp1 |= ADVERTISE_100FULL;
|
|
tp->ups_info.speed_duplex = NWAY_100M_FULL;
|
|
}
|
|
|
|
if (anar != tmp1) {
|
|
r8152_mdio_write(tp, MII_ADVERTISE, tmp1);
|
|
tp->mii.advertising = tmp1;
|
|
}
|
|
|
|
if (tp->mii.supports_gmii) {
|
|
u16 gbcr;
|
|
|
|
gbcr = r8152_mdio_read(tp, MII_CTRL1000);
|
|
tmp1 = gbcr & ~(ADVERTISE_1000FULL |
|
|
ADVERTISE_1000HALF);
|
|
|
|
if (advertising & RTL_ADVERTISED_1000_FULL) {
|
|
tmp1 |= ADVERTISE_1000FULL;
|
|
tp->ups_info.speed_duplex = NWAY_1000M_FULL;
|
|
}
|
|
|
|
if (gbcr != tmp1)
|
|
r8152_mdio_write(tp, MII_CTRL1000, tmp1);
|
|
}
|
|
|
|
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
|
|
|
|
tp->mii.force_media = 0;
|
|
}
|
|
|
|
if (test_and_clear_bit(PHY_RESET, &tp->flags))
|
|
bmcr |= BMCR_RESET;
|
|
|
|
r8152_mdio_write(tp, MII_BMCR, bmcr);
|
|
|
|
if (bmcr & BMCR_RESET) {
|
|
int i;
|
|
|
|
for (i = 0; i < 50; i++) {
|
|
msleep(20);
|
|
if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static void rtl8152_up(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8152_aldps_en(tp, false);
|
|
r8152b_exit_oob(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void rtl8152_down(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
r8152_power_cut_en(tp, false);
|
|
r8152_aldps_en(tp, false);
|
|
r8152b_enter_oob(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void rtl8153_up(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
r8153_first_init(tp);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
|
|
ocp_data |= LANWAKE_CLR_EN;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
|
|
ocp_data &= ~LANWAKE_PIN;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1);
|
|
ocp_data &= ~DELAY_PHY_PWR_CHG;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1, ocp_data);
|
|
|
|
r8153_aldps_en(tp, true);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
break;
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
default:
|
|
r8153_u2p3en(tp, true);
|
|
break;
|
|
}
|
|
|
|
r8153_u1u2en(tp, true);
|
|
}
|
|
|
|
static void rtl8153_down(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
|
|
ocp_data &= ~LANWAKE_CLR_EN;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
|
|
|
|
r8153_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153_power_cut_en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
r8153_enter_oob(tp);
|
|
r8153_aldps_en(tp, true);
|
|
}
|
|
|
|
static void rtl8153b_up(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153b_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
|
|
r8153_first_init(tp);
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_B);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
|
|
ocp_data &= ~PLA_MCU_SPDWN_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
|
|
|
|
r8153_aldps_en(tp, true);
|
|
|
|
if (tp->udev->speed != USB_SPEED_HIGH)
|
|
r8153b_u1u2en(tp, true);
|
|
}
|
|
|
|
static void rtl8153b_down(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
|
|
ocp_data |= PLA_MCU_SPDWN_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
|
|
|
|
r8153b_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153b_power_cut_en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
r8153_enter_oob(tp);
|
|
r8153_aldps_en(tp, true);
|
|
}
|
|
|
|
static bool rtl8152_in_nway(struct r8152 *tp)
|
|
{
|
|
u16 nway_state;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, 0x2000);
|
|
tp->ocp_base = 0x2000;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, 0xb014, 0x4c); /* phy state */
|
|
nway_state = ocp_read_word(tp, MCU_TYPE_PLA, 0xb01a);
|
|
|
|
/* bit 15: TXDIS_STATE, bit 14: ABD_STATE */
|
|
if (nway_state & 0xc000)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static bool rtl8153_in_nway(struct r8152 *tp)
|
|
{
|
|
u16 phy_state = ocp_reg_read(tp, OCP_PHY_STATE) & 0xff;
|
|
|
|
if (phy_state == TXDIS_STATE || phy_state == ABD_STATE)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static void set_carrier(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
struct napi_struct *napi = &tp->napi;
|
|
u8 speed;
|
|
|
|
speed = rtl8152_get_speed(tp);
|
|
|
|
if (speed & LINK_STATUS) {
|
|
if (!netif_carrier_ok(netdev)) {
|
|
tp->rtl_ops.enable(tp);
|
|
netif_stop_queue(netdev);
|
|
napi_disable(napi);
|
|
netif_carrier_on(netdev);
|
|
rtl_start_rx(tp);
|
|
clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
|
|
_rtl8152_set_rx_mode(netdev);
|
|
napi_enable(&tp->napi);
|
|
netif_wake_queue(netdev);
|
|
netif_info(tp, link, netdev, "carrier on\n");
|
|
} else if (netif_queue_stopped(netdev) &&
|
|
skb_queue_len(&tp->tx_queue) < tp->tx_qlen) {
|
|
netif_wake_queue(netdev);
|
|
}
|
|
} else {
|
|
if (netif_carrier_ok(netdev)) {
|
|
netif_carrier_off(netdev);
|
|
tasklet_disable(&tp->tx_tl);
|
|
napi_disable(napi);
|
|
tp->rtl_ops.disable(tp);
|
|
napi_enable(napi);
|
|
tasklet_enable(&tp->tx_tl);
|
|
netif_info(tp, link, netdev, "carrier off\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl_work_func_t(struct work_struct *work)
|
|
{
|
|
struct r8152 *tp = container_of(work, struct r8152, schedule.work);
|
|
|
|
/* If the device is unplugged or !netif_running(), the workqueue
|
|
* doesn't need to wake the device, and could return directly.
|
|
*/
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
|
|
return;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
goto out1;
|
|
|
|
if (!mutex_trylock(&tp->control)) {
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
goto out1;
|
|
}
|
|
|
|
if (test_and_clear_bit(RTL8152_LINK_CHG, &tp->flags))
|
|
set_carrier(tp);
|
|
|
|
if (test_and_clear_bit(RTL8152_SET_RX_MODE, &tp->flags))
|
|
_rtl8152_set_rx_mode(tp->netdev);
|
|
|
|
/* don't schedule tasket before linking */
|
|
if (test_and_clear_bit(SCHEDULE_TASKLET, &tp->flags) &&
|
|
netif_carrier_ok(tp->netdev))
|
|
tasklet_schedule(&tp->tx_tl);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
out1:
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
static void rtl_hw_phy_work_func_t(struct work_struct *work)
|
|
{
|
|
struct r8152 *tp = container_of(work, struct r8152, hw_phy_work.work);
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (rtl8152_request_firmware(tp) == -ENODEV && tp->rtl_fw.retry) {
|
|
tp->rtl_fw.retry = false;
|
|
tp->rtl_fw.fw = NULL;
|
|
|
|
/* Delay execution in case request_firmware() is not ready yet.
|
|
*/
|
|
queue_delayed_work(system_long_wq, &tp->hw_phy_work, HZ * 10);
|
|
goto ignore_once;
|
|
}
|
|
|
|
tp->rtl_ops.hw_phy_cfg(tp);
|
|
|
|
rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex,
|
|
tp->advertising);
|
|
|
|
ignore_once:
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int rtl_notifier(struct notifier_block *nb, unsigned long action,
|
|
void *data)
|
|
{
|
|
struct r8152 *tp = container_of(nb, struct r8152, pm_notifier);
|
|
|
|
switch (action) {
|
|
case PM_HIBERNATION_PREPARE:
|
|
case PM_SUSPEND_PREPARE:
|
|
usb_autopm_get_interface(tp->intf);
|
|
break;
|
|
|
|
case PM_POST_HIBERNATION:
|
|
case PM_POST_SUSPEND:
|
|
usb_autopm_put_interface(tp->intf);
|
|
break;
|
|
|
|
case PM_POST_RESTORE:
|
|
case PM_RESTORE_PREPARE:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
#endif
|
|
|
|
static int rtl8152_open(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int res = 0;
|
|
|
|
if (work_busy(&tp->hw_phy_work.work) & WORK_BUSY_PENDING) {
|
|
cancel_delayed_work_sync(&tp->hw_phy_work);
|
|
rtl_hw_phy_work_func_t(&tp->hw_phy_work.work);
|
|
}
|
|
|
|
res = alloc_all_mem(tp);
|
|
if (res)
|
|
goto out;
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0)
|
|
goto out_free;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
tp->rtl_ops.up(tp);
|
|
|
|
netif_carrier_off(netdev);
|
|
netif_start_queue(netdev);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
|
|
res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
|
|
if (res) {
|
|
if (res == -ENODEV)
|
|
netif_device_detach(tp->netdev);
|
|
netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
|
|
res);
|
|
goto out_unlock;
|
|
}
|
|
napi_enable(&tp->napi);
|
|
tasklet_enable(&tp->tx_tl);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
#ifdef CONFIG_PM_SLEEP
|
|
tp->pm_notifier.notifier_call = rtl_notifier;
|
|
register_pm_notifier(&tp->pm_notifier);
|
|
#endif
|
|
return 0;
|
|
|
|
out_unlock:
|
|
mutex_unlock(&tp->control);
|
|
usb_autopm_put_interface(tp->intf);
|
|
out_free:
|
|
free_all_mem(tp);
|
|
out:
|
|
return res;
|
|
}
|
|
|
|
static int rtl8152_close(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int res = 0;
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
unregister_pm_notifier(&tp->pm_notifier);
|
|
#endif
|
|
tasklet_disable(&tp->tx_tl);
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
napi_disable(&tp->napi);
|
|
netif_stop_queue(netdev);
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
rtl_stop_rx(tp);
|
|
} else {
|
|
mutex_lock(&tp->control);
|
|
|
|
tp->rtl_ops.down(tp);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
free_all_mem(tp);
|
|
|
|
return res;
|
|
}
|
|
|
|
static void rtl_tally_reset(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
|
|
ocp_data |= TALLY_RESET;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
|
|
}
|
|
|
|
static void r8152b_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
if (data & BMCR_PDOWN) {
|
|
data &= ~BMCR_PDOWN;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
}
|
|
|
|
r8152_aldps_en(tp, false);
|
|
|
|
if (tp->version == RTL_VER_01) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
|
|
ocp_data &= ~LED_MODE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
|
|
}
|
|
|
|
r8152_power_cut_en(tp, false);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
|
|
ocp_data &= ~MCU_CLK_RATIO_MASK;
|
|
ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
|
|
ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
|
|
SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
|
|
|
|
rtl_tally_reset(tp);
|
|
|
|
/* enable rx aggregation */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
|
|
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
|
|
}
|
|
|
|
static void r8153_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
int i;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_u1u2en(tp, false);
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
|
|
AUTOLOAD_DONE)
|
|
break;
|
|
|
|
msleep(20);
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
break;
|
|
}
|
|
|
|
data = r8153_phy_status(tp, 0);
|
|
|
|
if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 ||
|
|
tp->version == RTL_VER_05)
|
|
ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
if (data & BMCR_PDOWN) {
|
|
data &= ~BMCR_PDOWN;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
}
|
|
|
|
data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
|
|
|
|
r8153_u2p3en(tp, false);
|
|
|
|
if (tp->version == RTL_VER_04) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
|
|
ocp_data &= ~pwd_dn_scale_mask;
|
|
ocp_data |= pwd_dn_scale(96);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
|
|
ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
|
|
} else if (tp->version == RTL_VER_05) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
|
|
ocp_data &= ~ECM_ALDPS;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
|
|
if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
|
|
ocp_data &= ~DYNAMIC_BURST;
|
|
else
|
|
ocp_data |= DYNAMIC_BURST;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
|
|
} else if (tp->version == RTL_VER_06) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
|
|
if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
|
|
ocp_data &= ~DYNAMIC_BURST;
|
|
else
|
|
ocp_data |= DYNAMIC_BURST;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
|
|
|
|
r8153_queue_wake(tp, false);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
|
|
if (rtl8152_get_speed(tp) & LINK_STATUS)
|
|
ocp_data |= CUR_LINK_OK;
|
|
else
|
|
ocp_data &= ~CUR_LINK_OK;
|
|
ocp_data |= POLL_LINK_CHG;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
|
|
}
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
|
|
ocp_data |= EP4_FULL_FC;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
|
|
ocp_data &= ~TIMER11_EN;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
|
|
ocp_data &= ~LED_MODE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
|
|
|
|
ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
|
|
if (tp->version == RTL_VER_04 && tp->udev->speed < USB_SPEED_SUPER)
|
|
ocp_data |= LPM_TIMER_500MS;
|
|
else
|
|
ocp_data |= LPM_TIMER_500US;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
|
|
ocp_data &= ~SEN_VAL_MASK;
|
|
ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
|
|
|
|
r8153_power_cut_en(tp, false);
|
|
rtl_runtime_suspend_enable(tp, false);
|
|
r8153_u1u2en(tp, true);
|
|
r8153_mac_clk_spd(tp, false);
|
|
usb_enable_lpm(tp->udev);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
|
|
ocp_data |= LANWAKE_CLR_EN;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
|
|
ocp_data &= ~LANWAKE_PIN;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
|
|
|
|
/* rx aggregation */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
|
|
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
|
|
if (test_bit(DELL_TB_RX_AGG_BUG, &tp->flags))
|
|
ocp_data |= RX_AGG_DISABLE;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
|
|
|
|
rtl_tally_reset(tp);
|
|
|
|
switch (tp->udev->speed) {
|
|
case USB_SPEED_SUPER:
|
|
case USB_SPEED_SUPER_PLUS:
|
|
tp->coalesce = COALESCE_SUPER;
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
tp->coalesce = COALESCE_HIGH;
|
|
break;
|
|
default:
|
|
tp->coalesce = COALESCE_SLOW;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void r8153b_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
int i;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153b_u1u2en(tp, false);
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
|
|
AUTOLOAD_DONE)
|
|
break;
|
|
|
|
msleep(20);
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
break;
|
|
}
|
|
|
|
data = r8153_phy_status(tp, 0);
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
if (data & BMCR_PDOWN) {
|
|
data &= ~BMCR_PDOWN;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
}
|
|
|
|
data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
|
|
|
|
r8153_u2p3en(tp, false);
|
|
|
|
/* MSC timer = 0xfff * 8ms = 32760 ms */
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
|
|
|
|
/* U1/U2/L1 idle timer. 500 us */
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
|
|
|
|
r8153b_power_cut_en(tp, false);
|
|
r8153b_ups_en(tp, false);
|
|
r8153_queue_wake(tp, false);
|
|
rtl_runtime_suspend_enable(tp, false);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
|
|
if (rtl8152_get_speed(tp) & LINK_STATUS)
|
|
ocp_data |= CUR_LINK_OK;
|
|
else
|
|
ocp_data &= ~CUR_LINK_OK;
|
|
ocp_data |= POLL_LINK_CHG;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
|
|
|
|
if (tp->udev->speed != USB_SPEED_HIGH)
|
|
r8153b_u1u2en(tp, true);
|
|
usb_enable_lpm(tp->udev);
|
|
|
|
/* MAC clock speed down */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2);
|
|
ocp_data |= MAC_CLK_SPDWN_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
|
|
ocp_data &= ~PLA_MCU_SPDWN_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
|
|
|
|
if (tp->version == RTL_VER_09) {
|
|
/* Disable Test IO for 32QFN */
|
|
if (ocp_read_byte(tp, MCU_TYPE_PLA, 0xdc00) & BIT(5)) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= TEST_IO_OFF;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
}
|
|
}
|
|
|
|
set_bit(GREEN_ETHERNET, &tp->flags);
|
|
|
|
/* rx aggregation */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
|
|
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
|
|
|
|
rtl_tally_reset(tp);
|
|
|
|
tp->coalesce = 15000; /* 15 us */
|
|
}
|
|
|
|
static int rtl8152_pre_reset(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
struct net_device *netdev;
|
|
|
|
if (!tp)
|
|
return 0;
|
|
|
|
netdev = tp->netdev;
|
|
if (!netif_running(netdev))
|
|
return 0;
|
|
|
|
netif_stop_queue(netdev);
|
|
tasklet_disable(&tp->tx_tl);
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
napi_disable(&tp->napi);
|
|
if (netif_carrier_ok(netdev)) {
|
|
mutex_lock(&tp->control);
|
|
tp->rtl_ops.disable(tp);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_post_reset(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
struct net_device *netdev;
|
|
struct sockaddr sa;
|
|
|
|
if (!tp)
|
|
return 0;
|
|
|
|
/* reset the MAC adddress in case of policy change */
|
|
if (determine_ethernet_addr(tp, &sa) >= 0) {
|
|
rtnl_lock();
|
|
dev_set_mac_address (tp->netdev, &sa, NULL);
|
|
rtnl_unlock();
|
|
}
|
|
|
|
netdev = tp->netdev;
|
|
if (!netif_running(netdev))
|
|
return 0;
|
|
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
if (netif_carrier_ok(netdev)) {
|
|
mutex_lock(&tp->control);
|
|
tp->rtl_ops.enable(tp);
|
|
rtl_start_rx(tp);
|
|
_rtl8152_set_rx_mode(netdev);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
napi_enable(&tp->napi);
|
|
tasklet_enable(&tp->tx_tl);
|
|
netif_wake_queue(netdev);
|
|
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
|
|
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(&tp->napi);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool delay_autosuspend(struct r8152 *tp)
|
|
{
|
|
bool sw_linking = !!netif_carrier_ok(tp->netdev);
|
|
bool hw_linking = !!(rtl8152_get_speed(tp) & LINK_STATUS);
|
|
|
|
/* This means a linking change occurs and the driver doesn't detect it,
|
|
* yet. If the driver has disabled tx/rx and hw is linking on, the
|
|
* device wouldn't wake up by receiving any packet.
|
|
*/
|
|
if (work_busy(&tp->schedule.work) || sw_linking != hw_linking)
|
|
return true;
|
|
|
|
/* If the linking down is occurred by nway, the device may miss the
|
|
* linking change event. And it wouldn't wake when linking on.
|
|
*/
|
|
if (!sw_linking && tp->rtl_ops.in_nway(tp))
|
|
return true;
|
|
else if (!skb_queue_empty(&tp->tx_queue))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
static int rtl8152_runtime_resume(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
if (netif_running(netdev) && netdev->flags & IFF_UP) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
tp->rtl_ops.autosuspend_en(tp, false);
|
|
napi_disable(napi);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
if (rtl8152_get_speed(tp) & LINK_STATUS) {
|
|
rtl_start_rx(tp);
|
|
} else {
|
|
netif_carrier_off(netdev);
|
|
tp->rtl_ops.disable(tp);
|
|
netif_info(tp, link, netdev, "linking down\n");
|
|
}
|
|
}
|
|
|
|
napi_enable(napi);
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(&tp->napi);
|
|
|
|
usb_submit_urb(tp->intr_urb, GFP_NOIO);
|
|
} else {
|
|
if (netdev->flags & IFF_UP)
|
|
tp->rtl_ops.autosuspend_en(tp, false);
|
|
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_system_resume(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
netif_device_attach(netdev);
|
|
|
|
if (netif_running(netdev) && (netdev->flags & IFF_UP)) {
|
|
tp->rtl_ops.up(tp);
|
|
netif_carrier_off(netdev);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
usb_submit_urb(tp->intr_urb, GFP_NOIO);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_runtime_suspend(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
int ret = 0;
|
|
|
|
set_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
|
|
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
|
|
u32 rcr = 0;
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
u32 ocp_data;
|
|
|
|
rcr = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data = rcr & ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
rxdy_gated_en(tp, true);
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA,
|
|
PLA_OOB_CTRL);
|
|
if (!(ocp_data & RXFIFO_EMPTY)) {
|
|
rxdy_gated_en(tp, false);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
ret = -EBUSY;
|
|
goto out1;
|
|
}
|
|
}
|
|
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
|
|
tp->rtl_ops.autosuspend_en(tp, true);
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
napi_disable(napi);
|
|
rtl_stop_rx(tp);
|
|
rxdy_gated_en(tp, false);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
|
|
napi_enable(napi);
|
|
}
|
|
|
|
if (delay_autosuspend(tp)) {
|
|
rtl8152_runtime_resume(tp);
|
|
ret = -EBUSY;
|
|
}
|
|
}
|
|
|
|
out1:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_system_suspend(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
tasklet_disable(&tp->tx_tl);
|
|
napi_disable(napi);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
tp->rtl_ops.down(tp);
|
|
napi_enable(napi);
|
|
tasklet_enable(&tp->tx_tl);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
int ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (PMSG_IS_AUTO(message))
|
|
ret = rtl8152_runtime_suspend(tp);
|
|
else
|
|
ret = rtl8152_system_suspend(tp);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_resume(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
int ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (test_bit(SELECTIVE_SUSPEND, &tp->flags))
|
|
ret = rtl8152_runtime_resume(tp);
|
|
else
|
|
ret = rtl8152_system_resume(tp);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_reset_resume(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
tp->rtl_ops.init(tp);
|
|
queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
|
|
set_ethernet_addr(tp);
|
|
return rtl8152_resume(intf);
|
|
}
|
|
|
|
static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
if (!rtl_can_wakeup(tp)) {
|
|
wol->supported = 0;
|
|
wol->wolopts = 0;
|
|
} else {
|
|
mutex_lock(&tp->control);
|
|
wol->supported = WAKE_ANY;
|
|
wol->wolopts = __rtl_get_wol(tp);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
if (!rtl_can_wakeup(tp))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (wol->wolopts & ~WAKE_ANY)
|
|
return -EINVAL;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out_set_wol;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
__rtl_set_wol(tp, wol->wolopts);
|
|
tp->saved_wolopts = wol->wolopts & WAKE_ANY;
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out_set_wol:
|
|
return ret;
|
|
}
|
|
|
|
static u32 rtl8152_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
return tp->msg_enable;
|
|
}
|
|
|
|
static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
tp->msg_enable = value;
|
|
}
|
|
|
|
static void rtl8152_get_drvinfo(struct net_device *netdev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
strlcpy(info->driver, MODULENAME, sizeof(info->driver));
|
|
strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
|
|
usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
|
|
if (!IS_ERR_OR_NULL(tp->rtl_fw.fw))
|
|
strlcpy(info->fw_version, tp->rtl_fw.version,
|
|
sizeof(info->fw_version));
|
|
}
|
|
|
|
static
|
|
int rtl8152_get_link_ksettings(struct net_device *netdev,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
if (!tp->mii.mdio_read)
|
|
return -EOPNOTSUPP;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
mii_ethtool_get_link_ksettings(&tp->mii, cmd);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_set_link_ksettings(struct net_device *dev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
u32 advertising = 0;
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_10_HALF;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_10_FULL;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_100_HALF;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_100_FULL;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_1000_HALF;
|
|
|
|
if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
|
|
cmd->link_modes.advertising))
|
|
advertising |= RTL_ADVERTISED_1000_FULL;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = rtl8152_set_speed(tp, cmd->base.autoneg, cmd->base.speed,
|
|
cmd->base.duplex, advertising);
|
|
if (!ret) {
|
|
tp->autoneg = cmd->base.autoneg;
|
|
tp->speed = cmd->base.speed;
|
|
tp->duplex = cmd->base.duplex;
|
|
tp->advertising = advertising;
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
|
|
"tx_packets",
|
|
"rx_packets",
|
|
"tx_errors",
|
|
"rx_errors",
|
|
"rx_missed",
|
|
"align_errors",
|
|
"tx_single_collisions",
|
|
"tx_multi_collisions",
|
|
"rx_unicast",
|
|
"rx_broadcast",
|
|
"rx_multicast",
|
|
"tx_aborted",
|
|
"tx_underrun",
|
|
};
|
|
|
|
static int rtl8152_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return ARRAY_SIZE(rtl8152_gstrings);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void rtl8152_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
struct tally_counter tally;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
data[0] = le64_to_cpu(tally.tx_packets);
|
|
data[1] = le64_to_cpu(tally.rx_packets);
|
|
data[2] = le64_to_cpu(tally.tx_errors);
|
|
data[3] = le32_to_cpu(tally.rx_errors);
|
|
data[4] = le16_to_cpu(tally.rx_missed);
|
|
data[5] = le16_to_cpu(tally.align_errors);
|
|
data[6] = le32_to_cpu(tally.tx_one_collision);
|
|
data[7] = le32_to_cpu(tally.tx_multi_collision);
|
|
data[8] = le64_to_cpu(tally.rx_unicast);
|
|
data[9] = le64_to_cpu(tally.rx_broadcast);
|
|
data[10] = le32_to_cpu(tally.rx_multicast);
|
|
data[11] = le16_to_cpu(tally.tx_aborted);
|
|
data[12] = le16_to_cpu(tally.tx_underrun);
|
|
}
|
|
|
|
static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
|
|
{
|
|
switch (stringset) {
|
|
case ETH_SS_STATS:
|
|
memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u32 lp, adv, supported = 0;
|
|
u16 val;
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
|
|
supported = mmd_eee_cap_to_ethtool_sup_t(val);
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
|
|
adv = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
|
|
lp = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
eee->eee_enabled = tp->eee_en;
|
|
eee->eee_active = !!(supported & adv & lp);
|
|
eee->supported = supported;
|
|
eee->advertised = tp->eee_adv;
|
|
eee->lp_advertised = lp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
|
|
|
|
tp->eee_en = eee->eee_enabled;
|
|
tp->eee_adv = val;
|
|
|
|
rtl_eee_enable(tp, tp->eee_en);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u32 lp, adv, supported = 0;
|
|
u16 val;
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_ABLE);
|
|
supported = mmd_eee_cap_to_ethtool_sup_t(val);
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_ADV);
|
|
adv = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_LPABLE);
|
|
lp = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
eee->eee_enabled = tp->eee_en;
|
|
eee->eee_active = !!(supported & adv & lp);
|
|
eee->supported = supported;
|
|
eee->advertised = tp->eee_adv;
|
|
eee->lp_advertised = lp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
|
|
{
|
|
struct r8152 *tp = netdev_priv(net);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = tp->rtl_ops.eee_get(tp, edata);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
|
|
{
|
|
struct r8152 *tp = netdev_priv(net);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = tp->rtl_ops.eee_set(tp, edata);
|
|
if (!ret)
|
|
ret = mii_nway_restart(&tp->mii);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_nway_reset(struct net_device *dev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = mii_nway_restart(&tp->mii);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *coalesce)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
coalesce->rx_coalesce_usecs = tp->coalesce;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *coalesce)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (coalesce->rx_coalesce_usecs > COALESCE_SLOW)
|
|
return -EINVAL;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (tp->coalesce != coalesce->rx_coalesce_usecs) {
|
|
tp->coalesce = coalesce->rx_coalesce_usecs;
|
|
|
|
if (netif_running(netdev) && netif_carrier_ok(netdev)) {
|
|
netif_stop_queue(netdev);
|
|
napi_disable(&tp->napi);
|
|
tp->rtl_ops.disable(tp);
|
|
tp->rtl_ops.enable(tp);
|
|
rtl_start_rx(tp);
|
|
clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
|
|
_rtl8152_set_rx_mode(netdev);
|
|
napi_enable(&tp->napi);
|
|
netif_wake_queue(netdev);
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_get_tunable(struct net_device *netdev,
|
|
const struct ethtool_tunable *tunable, void *d)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
switch (tunable->id) {
|
|
case ETHTOOL_RX_COPYBREAK:
|
|
*(u32 *)d = tp->rx_copybreak;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_set_tunable(struct net_device *netdev,
|
|
const struct ethtool_tunable *tunable,
|
|
const void *d)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
u32 val;
|
|
|
|
switch (tunable->id) {
|
|
case ETHTOOL_RX_COPYBREAK:
|
|
val = *(u32 *)d;
|
|
if (val < ETH_ZLEN) {
|
|
netif_err(tp, rx_err, netdev,
|
|
"Invalid rx copy break value\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (tp->rx_copybreak != val) {
|
|
if (netdev->flags & IFF_UP) {
|
|
mutex_lock(&tp->control);
|
|
napi_disable(&tp->napi);
|
|
tp->rx_copybreak = val;
|
|
napi_enable(&tp->napi);
|
|
mutex_unlock(&tp->control);
|
|
} else {
|
|
tp->rx_copybreak = val;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rtl8152_get_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
ring->rx_max_pending = RTL8152_RX_MAX_PENDING;
|
|
ring->rx_pending = tp->rx_pending;
|
|
}
|
|
|
|
static int rtl8152_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
if (ring->rx_pending < (RTL8152_MAX_RX * 2))
|
|
return -EINVAL;
|
|
|
|
if (tp->rx_pending != ring->rx_pending) {
|
|
if (netdev->flags & IFF_UP) {
|
|
mutex_lock(&tp->control);
|
|
napi_disable(&tp->napi);
|
|
tp->rx_pending = ring->rx_pending;
|
|
napi_enable(&tp->napi);
|
|
mutex_unlock(&tp->control);
|
|
} else {
|
|
tp->rx_pending = ring->rx_pending;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct ethtool_ops ops = {
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
|
|
.get_drvinfo = rtl8152_get_drvinfo,
|
|
.get_link = ethtool_op_get_link,
|
|
.nway_reset = rtl8152_nway_reset,
|
|
.get_msglevel = rtl8152_get_msglevel,
|
|
.set_msglevel = rtl8152_set_msglevel,
|
|
.get_wol = rtl8152_get_wol,
|
|
.set_wol = rtl8152_set_wol,
|
|
.get_strings = rtl8152_get_strings,
|
|
.get_sset_count = rtl8152_get_sset_count,
|
|
.get_ethtool_stats = rtl8152_get_ethtool_stats,
|
|
.get_coalesce = rtl8152_get_coalesce,
|
|
.set_coalesce = rtl8152_set_coalesce,
|
|
.get_eee = rtl_ethtool_get_eee,
|
|
.set_eee = rtl_ethtool_set_eee,
|
|
.get_link_ksettings = rtl8152_get_link_ksettings,
|
|
.set_link_ksettings = rtl8152_set_link_ksettings,
|
|
.get_tunable = rtl8152_get_tunable,
|
|
.set_tunable = rtl8152_set_tunable,
|
|
.get_ringparam = rtl8152_get_ringparam,
|
|
.set_ringparam = rtl8152_set_ringparam,
|
|
};
|
|
|
|
static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
struct mii_ioctl_data *data = if_mii(rq);
|
|
int res;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0)
|
|
goto out;
|
|
|
|
switch (cmd) {
|
|
case SIOCGMIIPHY:
|
|
data->phy_id = R8152_PHY_ID; /* Internal PHY */
|
|
break;
|
|
|
|
case SIOCGMIIREG:
|
|
mutex_lock(&tp->control);
|
|
data->val_out = r8152_mdio_read(tp, data->reg_num);
|
|
mutex_unlock(&tp->control);
|
|
break;
|
|
|
|
case SIOCSMIIREG:
|
|
if (!capable(CAP_NET_ADMIN)) {
|
|
res = -EPERM;
|
|
break;
|
|
}
|
|
mutex_lock(&tp->control);
|
|
r8152_mdio_write(tp, data->reg_num, data->val_in);
|
|
mutex_unlock(&tp->control);
|
|
break;
|
|
|
|
default:
|
|
res = -EOPNOTSUPP;
|
|
}
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return res;
|
|
}
|
|
|
|
static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
dev->mtu = new_mtu;
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
dev->mtu = new_mtu;
|
|
|
|
if (netif_running(dev)) {
|
|
u32 rms = new_mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms);
|
|
|
|
if (netif_carrier_ok(dev))
|
|
r8153_set_rx_early_size(tp);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct net_device_ops rtl8152_netdev_ops = {
|
|
.ndo_open = rtl8152_open,
|
|
.ndo_stop = rtl8152_close,
|
|
.ndo_do_ioctl = rtl8152_ioctl,
|
|
.ndo_start_xmit = rtl8152_start_xmit,
|
|
.ndo_tx_timeout = rtl8152_tx_timeout,
|
|
.ndo_set_features = rtl8152_set_features,
|
|
.ndo_set_rx_mode = rtl8152_set_rx_mode,
|
|
.ndo_set_mac_address = rtl8152_set_mac_address,
|
|
.ndo_change_mtu = rtl8152_change_mtu,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
.ndo_features_check = rtl8152_features_check,
|
|
};
|
|
|
|
static void rtl8152_unload(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (tp->version != RTL_VER_01)
|
|
r8152_power_cut_en(tp, true);
|
|
}
|
|
|
|
static void rtl8153_unload(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_power_cut_en(tp, false);
|
|
}
|
|
|
|
static void rtl8153b_unload(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153b_power_cut_en(tp, false);
|
|
}
|
|
|
|
static int rtl_ops_init(struct r8152 *tp)
|
|
{
|
|
struct rtl_ops *ops = &tp->rtl_ops;
|
|
int ret = 0;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
ops->init = r8152b_init;
|
|
ops->enable = rtl8152_enable;
|
|
ops->disable = rtl8152_disable;
|
|
ops->up = rtl8152_up;
|
|
ops->down = rtl8152_down;
|
|
ops->unload = rtl8152_unload;
|
|
ops->eee_get = r8152_get_eee;
|
|
ops->eee_set = r8152_set_eee;
|
|
ops->in_nway = rtl8152_in_nway;
|
|
ops->hw_phy_cfg = r8152b_hw_phy_cfg;
|
|
ops->autosuspend_en = rtl_runtime_suspend_enable;
|
|
tp->rx_buf_sz = 16 * 1024;
|
|
tp->eee_en = true;
|
|
tp->eee_adv = MDIO_EEE_100TX;
|
|
break;
|
|
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ops->init = r8153_init;
|
|
ops->enable = rtl8153_enable;
|
|
ops->disable = rtl8153_disable;
|
|
ops->up = rtl8153_up;
|
|
ops->down = rtl8153_down;
|
|
ops->unload = rtl8153_unload;
|
|
ops->eee_get = r8153_get_eee;
|
|
ops->eee_set = r8152_set_eee;
|
|
ops->in_nway = rtl8153_in_nway;
|
|
ops->hw_phy_cfg = r8153_hw_phy_cfg;
|
|
ops->autosuspend_en = rtl8153_runtime_enable;
|
|
tp->rx_buf_sz = 32 * 1024;
|
|
tp->eee_en = true;
|
|
tp->eee_adv = MDIO_EEE_1000T | MDIO_EEE_100TX;
|
|
break;
|
|
|
|
case RTL_VER_08:
|
|
case RTL_VER_09:
|
|
ops->init = r8153b_init;
|
|
ops->enable = rtl8153_enable;
|
|
ops->disable = rtl8153_disable;
|
|
ops->up = rtl8153b_up;
|
|
ops->down = rtl8153b_down;
|
|
ops->unload = rtl8153b_unload;
|
|
ops->eee_get = r8153_get_eee;
|
|
ops->eee_set = r8152_set_eee;
|
|
ops->in_nway = rtl8153_in_nway;
|
|
ops->hw_phy_cfg = r8153b_hw_phy_cfg;
|
|
ops->autosuspend_en = rtl8153b_runtime_enable;
|
|
tp->rx_buf_sz = 32 * 1024;
|
|
tp->eee_en = true;
|
|
tp->eee_adv = MDIO_EEE_1000T | MDIO_EEE_100TX;
|
|
break;
|
|
|
|
default:
|
|
ret = -ENODEV;
|
|
netif_err(tp, probe, tp->netdev, "Unknown Device\n");
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define FIRMWARE_8153A_2 "rtl_nic/rtl8153a-2.fw"
|
|
#define FIRMWARE_8153A_3 "rtl_nic/rtl8153a-3.fw"
|
|
#define FIRMWARE_8153A_4 "rtl_nic/rtl8153a-4.fw"
|
|
#define FIRMWARE_8153B_2 "rtl_nic/rtl8153b-2.fw"
|
|
|
|
MODULE_FIRMWARE(FIRMWARE_8153A_2);
|
|
MODULE_FIRMWARE(FIRMWARE_8153A_3);
|
|
MODULE_FIRMWARE(FIRMWARE_8153A_4);
|
|
MODULE_FIRMWARE(FIRMWARE_8153B_2);
|
|
|
|
static int rtl_fw_init(struct r8152 *tp)
|
|
{
|
|
struct rtl_fw *rtl_fw = &tp->rtl_fw;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_04:
|
|
rtl_fw->fw_name = FIRMWARE_8153A_2;
|
|
rtl_fw->pre_fw = r8153_pre_firmware_1;
|
|
rtl_fw->post_fw = r8153_post_firmware_1;
|
|
break;
|
|
case RTL_VER_05:
|
|
rtl_fw->fw_name = FIRMWARE_8153A_3;
|
|
rtl_fw->pre_fw = r8153_pre_firmware_2;
|
|
rtl_fw->post_fw = r8153_post_firmware_2;
|
|
break;
|
|
case RTL_VER_06:
|
|
rtl_fw->fw_name = FIRMWARE_8153A_4;
|
|
rtl_fw->post_fw = r8153_post_firmware_3;
|
|
break;
|
|
case RTL_VER_09:
|
|
rtl_fw->fw_name = FIRMWARE_8153B_2;
|
|
rtl_fw->pre_fw = r8153b_pre_firmware_1;
|
|
rtl_fw->post_fw = r8153b_post_firmware_1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u8 rtl_get_version(struct usb_interface *intf)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
u32 ocp_data = 0;
|
|
__le32 *tmp;
|
|
u8 version;
|
|
int ret;
|
|
|
|
tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
|
|
if (!tmp)
|
|
return 0;
|
|
|
|
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
|
RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
|
|
PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
|
|
if (ret > 0)
|
|
ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK;
|
|
|
|
kfree(tmp);
|
|
|
|
switch (ocp_data) {
|
|
case 0x4c00:
|
|
version = RTL_VER_01;
|
|
break;
|
|
case 0x4c10:
|
|
version = RTL_VER_02;
|
|
break;
|
|
case 0x5c00:
|
|
version = RTL_VER_03;
|
|
break;
|
|
case 0x5c10:
|
|
version = RTL_VER_04;
|
|
break;
|
|
case 0x5c20:
|
|
version = RTL_VER_05;
|
|
break;
|
|
case 0x5c30:
|
|
version = RTL_VER_06;
|
|
break;
|
|
case 0x4800:
|
|
version = RTL_VER_07;
|
|
break;
|
|
case 0x6000:
|
|
version = RTL_VER_08;
|
|
break;
|
|
case 0x6010:
|
|
version = RTL_VER_09;
|
|
break;
|
|
default:
|
|
version = RTL_VER_UNKNOWN;
|
|
dev_info(&intf->dev, "Unknown version 0x%04x\n", ocp_data);
|
|
break;
|
|
}
|
|
|
|
dev_dbg(&intf->dev, "Detected version 0x%04x\n", version);
|
|
|
|
return version;
|
|
}
|
|
|
|
static int rtl8152_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
u8 version = rtl_get_version(intf);
|
|
struct r8152 *tp;
|
|
struct net_device *netdev;
|
|
int ret;
|
|
|
|
if (version == RTL_VER_UNKNOWN)
|
|
return -ENODEV;
|
|
|
|
if (udev->actconfig->desc.bConfigurationValue != 1) {
|
|
usb_driver_set_configuration(udev, 1);
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (intf->cur_altsetting->desc.bNumEndpoints < 3)
|
|
return -ENODEV;
|
|
|
|
usb_reset_device(udev);
|
|
netdev = alloc_etherdev(sizeof(struct r8152));
|
|
if (!netdev) {
|
|
dev_err(&intf->dev, "Out of memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
SET_NETDEV_DEV(netdev, &intf->dev);
|
|
tp = netdev_priv(netdev);
|
|
tp->msg_enable = 0x7FFF;
|
|
|
|
tp->udev = udev;
|
|
tp->netdev = netdev;
|
|
tp->intf = intf;
|
|
tp->version = version;
|
|
|
|
switch (version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
case RTL_VER_07:
|
|
tp->mii.supports_gmii = 0;
|
|
break;
|
|
default:
|
|
tp->mii.supports_gmii = 1;
|
|
break;
|
|
}
|
|
|
|
ret = rtl_ops_init(tp);
|
|
if (ret)
|
|
goto out;
|
|
|
|
rtl_fw_init(tp);
|
|
|
|
mutex_init(&tp->control);
|
|
INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
|
|
INIT_DELAYED_WORK(&tp->hw_phy_work, rtl_hw_phy_work_func_t);
|
|
tasklet_init(&tp->tx_tl, bottom_half, (unsigned long)tp);
|
|
tasklet_disable(&tp->tx_tl);
|
|
|
|
netdev->netdev_ops = &rtl8152_netdev_ops;
|
|
netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
|
|
|
|
netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
|
|
NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
|
|
NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
|
|
NETIF_F_HW_VLAN_CTAG_TX;
|
|
netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
|
|
NETIF_F_TSO | NETIF_F_FRAGLIST |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
|
|
NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
|
|
netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
|
|
NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
|
|
|
|
if (tp->version == RTL_VER_01) {
|
|
netdev->features &= ~NETIF_F_RXCSUM;
|
|
netdev->hw_features &= ~NETIF_F_RXCSUM;
|
|
}
|
|
|
|
if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) {
|
|
switch (le16_to_cpu(udev->descriptor.idProduct)) {
|
|
case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2:
|
|
case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2:
|
|
set_bit(LENOVO_MACPASSTHRU, &tp->flags);
|
|
}
|
|
}
|
|
|
|
if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial &&
|
|
(!strcmp(udev->serial, "000001000000") ||
|
|
!strcmp(udev->serial, "000002000000"))) {
|
|
dev_info(&udev->dev, "Dell TB16 Dock, disable RX aggregation");
|
|
set_bit(DELL_TB_RX_AGG_BUG, &tp->flags);
|
|
}
|
|
|
|
netdev->ethtool_ops = &ops;
|
|
netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
|
|
|
|
/* MTU range: 68 - 1500 or 9194 */
|
|
netdev->min_mtu = ETH_MIN_MTU;
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
netdev->max_mtu = ETH_DATA_LEN;
|
|
break;
|
|
default:
|
|
netdev->max_mtu = RTL8153_MAX_MTU;
|
|
break;
|
|
}
|
|
|
|
tp->mii.dev = netdev;
|
|
tp->mii.mdio_read = read_mii_word;
|
|
tp->mii.mdio_write = write_mii_word;
|
|
tp->mii.phy_id_mask = 0x3f;
|
|
tp->mii.reg_num_mask = 0x1f;
|
|
tp->mii.phy_id = R8152_PHY_ID;
|
|
|
|
tp->autoneg = AUTONEG_ENABLE;
|
|
tp->speed = SPEED_100;
|
|
tp->advertising = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL |
|
|
RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL;
|
|
if (tp->mii.supports_gmii) {
|
|
tp->speed = SPEED_1000;
|
|
tp->advertising |= RTL_ADVERTISED_1000_FULL;
|
|
}
|
|
tp->duplex = DUPLEX_FULL;
|
|
|
|
tp->rx_copybreak = RTL8152_RXFG_HEADSZ;
|
|
tp->rx_pending = 10 * RTL8152_MAX_RX;
|
|
|
|
intf->needs_remote_wakeup = 1;
|
|
|
|
if (!rtl_can_wakeup(tp))
|
|
__rtl_set_wol(tp, 0);
|
|
else
|
|
tp->saved_wolopts = __rtl_get_wol(tp);
|
|
|
|
tp->rtl_ops.init(tp);
|
|
#if IS_BUILTIN(CONFIG_USB_RTL8152)
|
|
/* Retry in case request_firmware() is not ready yet. */
|
|
tp->rtl_fw.retry = true;
|
|
#endif
|
|
queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
|
|
set_ethernet_addr(tp);
|
|
|
|
usb_set_intfdata(intf, tp);
|
|
netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT);
|
|
|
|
ret = register_netdev(netdev);
|
|
if (ret != 0) {
|
|
netif_err(tp, probe, netdev, "couldn't register the device\n");
|
|
goto out1;
|
|
}
|
|
|
|
if (tp->saved_wolopts)
|
|
device_set_wakeup_enable(&udev->dev, true);
|
|
else
|
|
device_set_wakeup_enable(&udev->dev, false);
|
|
|
|
netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
|
|
|
|
return 0;
|
|
|
|
out1:
|
|
tasklet_kill(&tp->tx_tl);
|
|
usb_set_intfdata(intf, NULL);
|
|
out:
|
|
free_netdev(netdev);
|
|
return ret;
|
|
}
|
|
|
|
static void rtl8152_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
if (tp) {
|
|
rtl_set_unplug(tp);
|
|
|
|
unregister_netdev(tp->netdev);
|
|
tasklet_kill(&tp->tx_tl);
|
|
cancel_delayed_work_sync(&tp->hw_phy_work);
|
|
tp->rtl_ops.unload(tp);
|
|
rtl8152_release_firmware(tp);
|
|
free_netdev(tp->netdev);
|
|
}
|
|
}
|
|
|
|
#define REALTEK_USB_DEVICE(vend, prod) \
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
|
|
USB_DEVICE_ID_MATCH_INT_CLASS, \
|
|
.idVendor = (vend), \
|
|
.idProduct = (prod), \
|
|
.bInterfaceClass = USB_CLASS_VENDOR_SPEC \
|
|
}, \
|
|
{ \
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
|
|
USB_DEVICE_ID_MATCH_DEVICE, \
|
|
.idVendor = (vend), \
|
|
.idProduct = (prod), \
|
|
.bInterfaceClass = USB_CLASS_COMM, \
|
|
.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
|
|
.bInterfaceProtocol = USB_CDC_PROTO_NONE
|
|
|
|
/* table of devices that work with this driver */
|
|
static const struct usb_device_id rtl8152_table[] = {
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8050)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3069)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3082)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x720c)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0xa387)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_TPLINK, 0x0601)},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, rtl8152_table);
|
|
|
|
static struct usb_driver rtl8152_driver = {
|
|
.name = MODULENAME,
|
|
.id_table = rtl8152_table,
|
|
.probe = rtl8152_probe,
|
|
.disconnect = rtl8152_disconnect,
|
|
.suspend = rtl8152_suspend,
|
|
.resume = rtl8152_resume,
|
|
.reset_resume = rtl8152_reset_resume,
|
|
.pre_reset = rtl8152_pre_reset,
|
|
.post_reset = rtl8152_post_reset,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
module_usb_driver(rtl8152_driver);
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRIVER_VERSION);
|