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freebsd-nq/sys/pci/if_rlreg.h
Pyun YongHyeon 886ff602f2 Make WOL work on RTL8168B. This controller seems to require 
explicit command to enable Rx MAC prior to entering D3.

Tested by:	Cyrus Rahman <crahman <> gmail DOT com>
2008-12-11 02:24:11 +00:00

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34 KiB
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/*-
* Copyright (c) 1997, 1998-2003
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* RealTek 8129/8139 register offsets
*/
#define RL_IDR0 0x0000 /* ID register 0 (station addr) */
#define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */
#define RL_IDR2 0x0002
#define RL_IDR3 0x0003
#define RL_IDR4 0x0004
#define RL_IDR5 0x0005
/* 0006-0007 reserved */
#define RL_MAR0 0x0008 /* Multicast hash table */
#define RL_MAR1 0x0009
#define RL_MAR2 0x000A
#define RL_MAR3 0x000B
#define RL_MAR4 0x000C
#define RL_MAR5 0x000D
#define RL_MAR6 0x000E
#define RL_MAR7 0x000F
#define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */
#define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */
#define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */
#define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */
#define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */
#define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */
#define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */
#define RL_TXADDR3 0x002C /* address of TX descriptor 3 */
#define RL_RXADDR 0x0030 /* RX ring start address */
#define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */
#define RL_RX_EARLY_STAT 0x0036 /* RX early status */
#define RL_COMMAND 0x0037 /* command register */
#define RL_CURRXADDR 0x0038 /* current address of packet read */
#define RL_CURRXBUF 0x003A /* current RX buffer address */
#define RL_IMR 0x003C /* interrupt mask register */
#define RL_ISR 0x003E /* interrupt status register */
#define RL_TXCFG 0x0040 /* transmit config */
#define RL_RXCFG 0x0044 /* receive config */
#define RL_TIMERCNT 0x0048 /* timer count register */
#define RL_MISSEDPKT 0x004C /* missed packet counter */
#define RL_EECMD 0x0050 /* EEPROM command register */
#define RL_CFG0 0x0051 /* config register #0 */
#define RL_CFG1 0x0052 /* config register #1 */
#define RL_CFG2 0x0053 /* config register #2 */
#define RL_CFG3 0x0054 /* config register #3 */
#define RL_CFG4 0x0055 /* config register #4 */
#define RL_CFG5 0x0056 /* config register #5 */
/* 0057 reserved */
#define RL_MEDIASTAT 0x0058 /* media status register (8139) */
/* 0059-005A reserved */
#define RL_MII 0x005A /* 8129 chip only */
#define RL_HALTCLK 0x005B
#define RL_MULTIINTR 0x005C /* multiple interrupt */
#define RL_PCIREV 0x005E /* PCI revision value */
/* 005F reserved */
#define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */
/* Direct PHY access registers only available on 8139 */
#define RL_BMCR 0x0062 /* PHY basic mode control */
#define RL_BMSR 0x0064 /* PHY basic mode status */
#define RL_ANAR 0x0066 /* PHY autoneg advert */
#define RL_LPAR 0x0068 /* PHY link partner ability */
#define RL_ANER 0x006A /* PHY autoneg expansion */
#define RL_DISCCNT 0x006C /* disconnect counter */
#define RL_FALSECAR 0x006E /* false carrier counter */
#define RL_NWAYTST 0x0070 /* NWAY test register */
#define RL_RX_ER 0x0072 /* RX_ER counter */
#define RL_CSCFG 0x0074 /* CS configuration register */
/*
* When operating in special C+ mode, some of the registers in an
* 8139C+ chip have different definitions. These are also used for
* the 8169 gigE chip.
*/
#define RL_DUMPSTATS_LO 0x0010 /* counter dump command register */
#define RL_DUMPSTATS_HI 0x0014 /* counter dump command register */
#define RL_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */
#define RL_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */
#define RL_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte alignment */
#define RL_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte alignment */
#define RL_CFG2 0x0053
#define RL_TIMERINT 0x0054 /* interrupt on timer expire */
#define RL_TXSTART 0x00D9 /* 8 bits */
#define RL_CPLUS_CMD 0x00E0 /* 16 bits */
#define RL_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */
#define RL_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */
#define RL_EARLY_TX_THRESH 0x00EC /* 8 bits */
/*
* Registers specific to the 8169 gigE chip
*/
#define RL_TIMERINT_8169 0x0058 /* different offset than 8139 */
#define RL_PHYAR 0x0060
#define RL_TBICSR 0x0064
#define RL_TBI_ANAR 0x0068
#define RL_TBI_LPAR 0x006A
#define RL_GMEDIASTAT 0x006C /* 8 bits */
#define RL_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */
#define RL_GTXSTART 0x0038 /* 8 bits */
/*
* TX config register bits
*/
#define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */
#define RL_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */
#define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */
#define RL_TXCFG_LOOPBKTST 0x00060000 /* loopback test */
#define RL_TXCFG_IFG2 0x00080000 /* 8169 only */
#define RL_TXCFG_IFG 0x03000000 /* interframe gap */
#define RL_TXCFG_HWREV 0x7CC00000
#define RL_LOOPTEST_OFF 0x00000000
#define RL_LOOPTEST_ON 0x00020000
#define RL_LOOPTEST_ON_CPLUS 0x00060000
/* Known revision codes. */
#define RL_HWREV_8169 0x00000000
#define RL_HWREV_8110S 0x00800000
#define RL_HWREV_8169S 0x04000000
#define RL_HWREV_8169_8110SB 0x10000000
#define RL_HWREV_8169_8110SC 0x18000000
#define RL_HWREV_8102EL 0x24800000
#define RL_HWREV_8168D 0x28000000
#define RL_HWREV_8168_SPIN1 0x30000000
#define RL_HWREV_8100E 0x30800000
#define RL_HWREV_8101E 0x34000000
#define RL_HWREV_8102E 0x34800000
#define RL_HWREV_8168_SPIN2 0x38000000
#define RL_HWREV_8168_SPIN3 0x38400000
#define RL_HWREV_8168C 0x3C000000
#define RL_HWREV_8168C_SPIN2 0x3C400000
#define RL_HWREV_8168CP 0x3C800000
#define RL_HWREV_8139 0x60000000
#define RL_HWREV_8139A 0x70000000
#define RL_HWREV_8139AG 0x70800000
#define RL_HWREV_8139B 0x78000000
#define RL_HWREV_8130 0x7C000000
#define RL_HWREV_8139C 0x74000000
#define RL_HWREV_8139D 0x74400000
#define RL_HWREV_8139CPLUS 0x74800000
#define RL_HWREV_8101 0x74c00000
#define RL_HWREV_8100 0x78800000
#define RL_HWREV_8169_8110SBL 0x7CC00000
#define RL_TXDMA_16BYTES 0x00000000
#define RL_TXDMA_32BYTES 0x00000100
#define RL_TXDMA_64BYTES 0x00000200
#define RL_TXDMA_128BYTES 0x00000300
#define RL_TXDMA_256BYTES 0x00000400
#define RL_TXDMA_512BYTES 0x00000500
#define RL_TXDMA_1024BYTES 0x00000600
#define RL_TXDMA_2048BYTES 0x00000700
/*
* Transmit descriptor status register bits.
*/
#define RL_TXSTAT_LENMASK 0x00001FFF
#define RL_TXSTAT_OWN 0x00002000
#define RL_TXSTAT_TX_UNDERRUN 0x00004000
#define RL_TXSTAT_TX_OK 0x00008000
#define RL_TXSTAT_EARLY_THRESH 0x003F0000
#define RL_TXSTAT_COLLCNT 0x0F000000
#define RL_TXSTAT_CARR_HBEAT 0x10000000
#define RL_TXSTAT_OUTOFWIN 0x20000000
#define RL_TXSTAT_TXABRT 0x40000000
#define RL_TXSTAT_CARRLOSS 0x80000000
/*
* Interrupt status register bits.
*/
#define RL_ISR_RX_OK 0x0001
#define RL_ISR_RX_ERR 0x0002
#define RL_ISR_TX_OK 0x0004
#define RL_ISR_TX_ERR 0x0008
#define RL_ISR_RX_OVERRUN 0x0010
#define RL_ISR_PKT_UNDERRUN 0x0020
#define RL_ISR_LINKCHG 0x0020 /* 8169 only */
#define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */
#define RL_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */
#define RL_ISR_SWI 0x0100 /* C+ only */
#define RL_ISR_CABLE_LEN_CHGD 0x2000
#define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */
#define RL_ISR_TIMEOUT_EXPIRED 0x4000
#define RL_ISR_SYSTEM_ERR 0x8000
#define RL_INTRS \
(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
#ifdef RE_TX_MODERATION
#define RL_INTRS_CPLUS \
(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
#else
#define RL_INTRS_CPLUS \
(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_TX_OK| \
RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
#endif
/*
* Media status register. (8139 only)
*/
#define RL_MEDIASTAT_RXPAUSE 0x01
#define RL_MEDIASTAT_TXPAUSE 0x02
#define RL_MEDIASTAT_LINK 0x04
#define RL_MEDIASTAT_SPEED10 0x08
#define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */
#define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */
/*
* Receive config register.
*/
#define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */
#define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */
#define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */
#define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */
#define RL_RXCFG_RX_RUNT 0x00000010
#define RL_RXCFG_RX_ERRPKT 0x00000020
#define RL_RXCFG_WRAP 0x00000080
#define RL_RXCFG_MAXDMA 0x00000700
#define RL_RXCFG_BUFSZ 0x00001800
#define RL_RXCFG_FIFOTHRESH 0x0000E000
#define RL_RXCFG_EARLYTHRESH 0x07000000
#define RL_RXDMA_16BYTES 0x00000000
#define RL_RXDMA_32BYTES 0x00000100
#define RL_RXDMA_64BYTES 0x00000200
#define RL_RXDMA_128BYTES 0x00000300
#define RL_RXDMA_256BYTES 0x00000400
#define RL_RXDMA_512BYTES 0x00000500
#define RL_RXDMA_1024BYTES 0x00000600
#define RL_RXDMA_UNLIMITED 0x00000700
#define RL_RXBUF_8 0x00000000
#define RL_RXBUF_16 0x00000800
#define RL_RXBUF_32 0x00001000
#define RL_RXBUF_64 0x00001800
#define RL_RXFIFO_16BYTES 0x00000000
#define RL_RXFIFO_32BYTES 0x00002000
#define RL_RXFIFO_64BYTES 0x00004000
#define RL_RXFIFO_128BYTES 0x00006000
#define RL_RXFIFO_256BYTES 0x00008000
#define RL_RXFIFO_512BYTES 0x0000A000
#define RL_RXFIFO_1024BYTES 0x0000C000
#define RL_RXFIFO_NOTHRESH 0x0000E000
/*
* Bits in RX status header (included with RX'ed packet
* in ring buffer).
*/
#define RL_RXSTAT_RXOK 0x00000001
#define RL_RXSTAT_ALIGNERR 0x00000002
#define RL_RXSTAT_CRCERR 0x00000004
#define RL_RXSTAT_GIANT 0x00000008
#define RL_RXSTAT_RUNT 0x00000010
#define RL_RXSTAT_BADSYM 0x00000020
#define RL_RXSTAT_BROAD 0x00002000
#define RL_RXSTAT_INDIV 0x00004000
#define RL_RXSTAT_MULTI 0x00008000
#define RL_RXSTAT_LENMASK 0xFFFF0000
#define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */
/*
* Command register.
*/
#define RL_CMD_EMPTY_RXBUF 0x0001
#define RL_CMD_TX_ENB 0x0004
#define RL_CMD_RX_ENB 0x0008
#define RL_CMD_RESET 0x0010
#define RL_CMD_STOPREQ 0x0080
/*
* Twister register values. These are completely undocumented and derived
* from public sources.
*/
#define RL_CSCFG_LINK_OK 0x0400
#define RL_CSCFG_CHANGE 0x0800
#define RL_CSCFG_STATUS 0xf000
#define RL_CSCFG_ROW3 0x7000
#define RL_CSCFG_ROW2 0x3000
#define RL_CSCFG_ROW1 0x1000
#define RL_CSCFG_LINK_DOWN_OFF_CMD 0x03c0
#define RL_CSCFG_LINK_DOWN_CMD 0xf3c0
#define RL_NWAYTST_RESET 0
#define RL_NWAYTST_CBL_TEST 0x20
#define RL_PARA78 0x78
#define RL_PARA78_DEF 0x78fa8388
#define RL_PARA7C 0x7C
#define RL_PARA7C_DEF 0xcb38de43
#define RL_PARA7C_RETUNE 0xfb38de03
/*
* EEPROM control register
*/
#define RL_EE_DATAOUT 0x01 /* Data out */
#define RL_EE_DATAIN 0x02 /* Data in */
#define RL_EE_CLK 0x04 /* clock */
#define RL_EE_SEL 0x08 /* chip select */
#define RL_EE_MODE (0x40|0x80)
#define RL_EEMODE_OFF 0x00
#define RL_EEMODE_AUTOLOAD 0x40
#define RL_EEMODE_PROGRAM 0x80
#define RL_EEMODE_WRITECFG (0x80|0x40)
/* 9346 EEPROM commands */
#define RL_9346_ADDR_LEN 6 /* 93C46 1K: 128x16 */
#define RL_9356_ADDR_LEN 8 /* 93C56 2K: 256x16 */
#define RL_9346_WRITE 0x5
#define RL_9346_READ 0x6
#define RL_9346_ERASE 0x7
#define RL_9346_EWEN 0x4
#define RL_9346_EWEN_ADDR 0x30
#define RL_9456_EWDS 0x4
#define RL_9346_EWDS_ADDR 0x00
#define RL_EECMD_WRITE 0x140
#define RL_EECMD_READ_6BIT 0x180
#define RL_EECMD_READ_8BIT 0x600
#define RL_EECMD_ERASE 0x1c0
#define RL_EE_ID 0x00
#define RL_EE_PCI_VID 0x01
#define RL_EE_PCI_DID 0x02
/* Location of station address inside EEPROM */
#define RL_EE_EADDR 0x07
/*
* MII register (8129 only)
*/
#define RL_MII_CLK 0x01
#define RL_MII_DATAIN 0x02
#define RL_MII_DATAOUT 0x04
#define RL_MII_DIR 0x80 /* 0 == input, 1 == output */
/*
* Config 0 register
*/
#define RL_CFG0_ROM0 0x01
#define RL_CFG0_ROM1 0x02
#define RL_CFG0_ROM2 0x04
#define RL_CFG0_PL0 0x08
#define RL_CFG0_PL1 0x10
#define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */
#define RL_CFG0_PCS 0x40
#define RL_CFG0_SCR 0x80
/*
* Config 1 register
*/
#define RL_CFG1_PWRDWN 0x01
#define RL_CFG1_PME 0x01
#define RL_CFG1_SLEEP 0x02
#define RL_CFG1_VPDEN 0x02
#define RL_CFG1_IOMAP 0x04
#define RL_CFG1_MEMMAP 0x08
#define RL_CFG1_RSVD 0x10
#define RL_CFG1_LWACT 0x10
#define RL_CFG1_DRVLOAD 0x20
#define RL_CFG1_LED0 0x40
#define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */
#define RL_CFG1_LED1 0x80
/*
* Config 2 register
*/
#define RL_CFG2_PCI33MHZ 0x00
#define RL_CFG2_PCI66MHZ 0x01
#define RL_CFG2_PCI64BIT 0x08
#define RL_CFG2_AUXPWR 0x10
#define RL_CFG2_MSI 0x20
/*
* Config 3 register
*/
#define RL_CFG3_GRANTSEL 0x80
#define RL_CFG3_WOL_MAGIC 0x20
#define RL_CFG3_WOL_LINK 0x10
#define RL_CFG3_FAST_B2B 0x01
/*
* Config 4 register
*/
#define RL_CFG4_LWPTN 0x04
#define RL_CFG4_LWPME 0x10
/*
* Config 5 register
*/
#define RL_CFG5_WOL_BCAST 0x40
#define RL_CFG5_WOL_MCAST 0x20
#define RL_CFG5_WOL_UCAST 0x10
#define RL_CFG5_WOL_LANWAKE 0x02
#define RL_CFG5_PME_STS 0x01
/*
* 8139C+ register definitions
*/
/* RL_DUMPSTATS_LO register */
#define RL_DUMPSTATS_START 0x00000008
/* Transmit start register */
#define RL_TXSTART_SWI 0x01 /* generate TX interrupt */
#define RL_TXSTART_START 0x40 /* start normal queue transmit */
#define RL_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */
/*
* Config 2 register, 8139C+/8169/8169S/8110S only
*/
#define RL_CFG2_BUSFREQ 0x07
#define RL_CFG2_BUSWIDTH 0x08
#define RL_CFG2_AUXPWRSTS 0x10
#define RL_BUSFREQ_33MHZ 0x00
#define RL_BUSFREQ_66MHZ 0x01
#define RL_BUSWIDTH_32BITS 0x00
#define RL_BUSWIDTH_64BITS 0x08
/* C+ mode command register */
#define RL_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */
#define RL_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */
#define RL_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */
#define RL_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */
#define RL_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */
#define RL_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */
#define RL_CPLUSCMD_MACSTAT_DIS 0x0080 /* 8168B/C/CP */
#define RL_CPLUSCMD_ASF 0x0100 /* 8168C/CP */
#define RL_CPLUSCMD_DBG_SEL 0x0200 /* 8168C/CP */
#define RL_CPLUSCMD_FORCE_TXFC 0x0400 /* 8168C/CP */
#define RL_CPLUSCMD_FORCE_RXFC 0x0800 /* 8168C/CP */
#define RL_CPLUSCMD_FORCE_HDPX 0x1000 /* 8168C/CP */
#define RL_CPLUSCMD_NORMAL_MODE 0x2000 /* 8168C/CP */
#define RL_CPLUSCMD_DBG_ENB 0x4000 /* 8168C/CP */
#define RL_CPLUSCMD_BIST_ENB 0x8000 /* 8168C/CP */
/* C+ early transmit threshold */
#define RL_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */
/*
* Gigabit PHY access register (8169 only)
*/
#define RL_PHYAR_PHYDATA 0x0000FFFF
#define RL_PHYAR_PHYREG 0x001F0000
#define RL_PHYAR_BUSY 0x80000000
/*
* Gigabit media status (8169 only)
*/
#define RL_GMEDIASTAT_FDX 0x01 /* full duplex */
#define RL_GMEDIASTAT_LINK 0x02 /* link up */
#define RL_GMEDIASTAT_10MBPS 0x04 /* 10mps link */
#define RL_GMEDIASTAT_100MBPS 0x08 /* 100mbps link */
#define RL_GMEDIASTAT_1000MBPS 0x10 /* gigE link */
#define RL_GMEDIASTAT_RXFLOW 0x20 /* RX flow control on */
#define RL_GMEDIASTAT_TXFLOW 0x40 /* TX flow control on */
#define RL_GMEDIASTAT_TBI 0x80 /* TBI enabled */
/*
* The RealTek doesn't use a fragment-based descriptor mechanism.
* Instead, there are only four register sets, each or which represents
* one 'descriptor.' Basically, each TX descriptor is just a contiguous
* packet buffer (32-bit aligned!) and we place the buffer addresses in
* the registers so the chip knows where they are.
*
* We can sort of kludge together the same kind of buffer management
* used in previous drivers, but we have to do buffer copies almost all
* the time, so it doesn't really buy us much.
*
* For reception, there's just one large buffer where the chip stores
* all received packets.
*/
#define RL_RX_BUF_SZ RL_RXBUF_64
#define RL_RXBUFLEN (1 << ((RL_RX_BUF_SZ >> 11) + 13))
#define RL_TX_LIST_CNT 4
#define RL_MIN_FRAMELEN 60
#define RL_TX_8139_BUF_ALIGN 4
#define RL_RX_8139_BUF_ALIGN 8
#define RL_RX_8139_BUF_RESERVE sizeof(int64_t)
#define RL_RX_8139_BUF_GUARD_SZ \
(ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN + RL_RX_8139_BUF_RESERVE)
#define RL_TXTHRESH(x) ((x) << 11)
#define RL_TX_THRESH_INIT 96
#define RL_RX_FIFOTHRESH RL_RXFIFO_NOTHRESH
#define RL_RX_MAXDMA RL_RXDMA_UNLIMITED
#define RL_TX_MAXDMA RL_TXDMA_2048BYTES
#define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
#define RL_TXCFG_CONFIG (RL_TXCFG_IFG|RL_TX_MAXDMA)
#define RL_ETHER_ALIGN 2
/*
* re(4) hardware ip4csum-tx could be mangled with 28 bytes or less IP packets.
*/
#define RL_IP4CSUMTX_MINLEN 28
#define RL_IP4CSUMTX_PADLEN (ETHER_HDR_LEN + RL_IP4CSUMTX_MINLEN)
struct rl_chain_data {
uint16_t cur_rx;
uint8_t *rl_rx_buf;
uint8_t *rl_rx_buf_ptr;
struct mbuf *rl_tx_chain[RL_TX_LIST_CNT];
bus_dmamap_t rl_tx_dmamap[RL_TX_LIST_CNT];
bus_dma_tag_t rl_tx_tag;
bus_dma_tag_t rl_rx_tag;
bus_dmamap_t rl_rx_dmamap;
bus_addr_t rl_rx_buf_paddr;
uint8_t last_tx;
uint8_t cur_tx;
};
#define RL_INC(x) (x = (x + 1) % RL_TX_LIST_CNT)
#define RL_CUR_TXADDR(x) ((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
#define RL_CUR_TXSTAT(x) ((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
#define RL_CUR_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
#define RL_CUR_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
#define RL_LAST_TXADDR(x) ((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
#define RL_LAST_TXSTAT(x) ((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
#define RL_LAST_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
#define RL_LAST_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
struct rl_type {
uint16_t rl_vid;
uint16_t rl_did;
int rl_basetype;
char *rl_name;
};
struct rl_hwrev {
uint32_t rl_rev;
int rl_type;
char *rl_desc;
};
struct rl_mii_frame {
uint8_t mii_stdelim;
uint8_t mii_opcode;
uint8_t mii_phyaddr;
uint8_t mii_regaddr;
uint8_t mii_turnaround;
uint16_t mii_data;
};
/*
* MII constants
*/
#define RL_MII_STARTDELIM 0x01
#define RL_MII_READOP 0x02
#define RL_MII_WRITEOP 0x01
#define RL_MII_TURNAROUND 0x02
#define RL_8129 1
#define RL_8139 2
#define RL_8139CPLUS 3
#define RL_8169 4
#define RL_ISCPLUS(x) ((x)->rl_type == RL_8139CPLUS || \
(x)->rl_type == RL_8169)
/*
* The 8139C+ and 8160 gigE chips support descriptor-based TX
* and RX. In fact, they even support TCP large send. Descriptors
* must be allocated in contiguous blocks that are aligned on a
* 256-byte boundary. The rings can hold a maximum of 64 descriptors.
*/
/*
* RX/TX descriptor definition. When large send mode is enabled, the
* lower 11 bits of the TX rl_cmd word are used to hold the MSS, and
* the checksum offload bits are disabled. The structure layout is
* the same for RX and TX descriptors
*/
struct rl_desc {
uint32_t rl_cmdstat;
uint32_t rl_vlanctl;
uint32_t rl_bufaddr_lo;
uint32_t rl_bufaddr_hi;
};
#define RL_TDESC_CMD_FRAGLEN 0x0000FFFF
#define RL_TDESC_CMD_TCPCSUM 0x00010000 /* TCP checksum enable */
#define RL_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */
#define RL_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */
#define RL_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */
#define RL_TDESC_CMD_MSSVAL_SHIFT 16 /* Large send MSS value shift */
#define RL_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */
#define RL_TDESC_CMD_EOF 0x10000000 /* end of frame marker */
#define RL_TDESC_CMD_SOF 0x20000000 /* start of frame marker */
#define RL_TDESC_CMD_EOR 0x40000000 /* end of ring marker */
#define RL_TDESC_CMD_OWN 0x80000000 /* chip owns descriptor */
#define RL_TDESC_VLANCTL_TAG 0x00020000 /* Insert VLAN tag */
#define RL_TDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
/* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
#define RL_TDESC_CMD_UDPCSUMV2 0x80000000
#define RL_TDESC_CMD_TCPCSUMV2 0x40000000
#define RL_TDESC_CMD_IPCSUMV2 0x20000000
/*
* Error bits are valid only on the last descriptor of a frame
* (i.e. RL_TDESC_CMD_EOF == 1)
*/
#define RL_TDESC_STAT_COLCNT 0x000F0000 /* collision count */
#define RL_TDESC_STAT_EXCESSCOL 0x00100000 /* excessive collisions */
#define RL_TDESC_STAT_LINKFAIL 0x00200000 /* link faulure */
#define RL_TDESC_STAT_OWINCOL 0x00400000 /* out-of-window collision */
#define RL_TDESC_STAT_TXERRSUM 0x00800000 /* transmit error summary */
#define RL_TDESC_STAT_UNDERRUN 0x02000000 /* TX underrun occured */
#define RL_TDESC_STAT_OWN 0x80000000
/*
* RX descriptor cmd/vlan definitions
*/
#define RL_RDESC_CMD_EOR 0x40000000
#define RL_RDESC_CMD_OWN 0x80000000
#define RL_RDESC_CMD_BUFLEN 0x00001FFF
#define RL_RDESC_STAT_OWN 0x80000000
#define RL_RDESC_STAT_EOR 0x40000000
#define RL_RDESC_STAT_SOF 0x20000000
#define RL_RDESC_STAT_EOF 0x10000000
#define RL_RDESC_STAT_FRALIGN 0x08000000 /* frame alignment error */
#define RL_RDESC_STAT_MCAST 0x04000000 /* multicast pkt received */
#define RL_RDESC_STAT_UCAST 0x02000000 /* unicast pkt received */
#define RL_RDESC_STAT_BCAST 0x01000000 /* broadcast pkt received */
#define RL_RDESC_STAT_BUFOFLOW 0x00800000 /* out of buffer space */
#define RL_RDESC_STAT_FIFOOFLOW 0x00400000 /* FIFO overrun */
#define RL_RDESC_STAT_GIANT 0x00200000 /* pkt > 4096 bytes */
#define RL_RDESC_STAT_RXERRSUM 0x00100000 /* RX error summary */
#define RL_RDESC_STAT_RUNT 0x00080000 /* runt packet received */
#define RL_RDESC_STAT_CRCERR 0x00040000 /* CRC error */
#define RL_RDESC_STAT_PROTOID 0x00030000 /* Protocol type */
#define RL_RDESC_STAT_UDP 0x00020000 /* UDP, 8168C/CP, 8111C/CP */
#define RL_RDESC_STAT_TCP 0x00010000 /* TCP, 8168C/CP, 8111C/CP */
#define RL_RDESC_STAT_IPSUMBAD 0x00008000 /* IP header checksum bad */
#define RL_RDESC_STAT_UDPSUMBAD 0x00004000 /* UDP checksum bad */
#define RL_RDESC_STAT_TCPSUMBAD 0x00002000 /* TCP checksum bad */
#define RL_RDESC_STAT_FRAGLEN 0x00001FFF /* RX'ed frame/frag len */
#define RL_RDESC_STAT_GFRAGLEN 0x00003FFF /* RX'ed frame/frag len */
#define RL_RDESC_STAT_ERRS (RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
RL_RDESC_STAT_CRCERR)
#define RL_RDESC_VLANCTL_TAG 0x00010000 /* VLAN tag available
(rl_vlandata valid)*/
#define RL_RDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
/* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
#define RL_RDESC_IPV6 0x80000000
#define RL_RDESC_IPV4 0x40000000
#define RL_PROTOID_NONIP 0x00000000
#define RL_PROTOID_TCPIP 0x00010000
#define RL_PROTOID_UDPIP 0x00020000
#define RL_PROTOID_IP 0x00030000
#define RL_TCPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
RL_PROTOID_TCPIP)
#define RL_UDPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
RL_PROTOID_UDPIP)
/*
* Statistics counter structure (8139C+ and 8169 only)
*/
struct rl_stats {
uint32_t rl_tx_pkts_lo;
uint32_t rl_tx_pkts_hi;
uint32_t rl_tx_errs_lo;
uint32_t rl_tx_errs_hi;
uint32_t rl_tx_errs;
uint16_t rl_missed_pkts;
uint16_t rl_rx_framealign_errs;
uint32_t rl_tx_onecoll;
uint32_t rl_tx_multicolls;
uint32_t rl_rx_ucasts_hi;
uint32_t rl_rx_ucasts_lo;
uint32_t rl_rx_bcasts_lo;
uint32_t rl_rx_bcasts_hi;
uint32_t rl_rx_mcasts;
uint16_t rl_tx_aborts;
uint16_t rl_rx_underruns;
};
/*
* Rx/Tx descriptor parameters (8139C+ and 8169 only)
*
* 8139C+
* Number of descriptors supported : up to 64
* Descriptor alignment : 256 bytes
* Tx buffer : At least 4 bytes in length.
* Rx buffer : At least 8 bytes in length and 8 bytes alignment required.
*
* 8169
* Number of descriptors supported : up to 1024
* Descriptor alignment : 256 bytes
* Tx buffer : At least 4 bytes in length.
* Rx buffer : At least 8 bytes in length and 8 bytes alignment required.
*/
#ifndef __NO_STRICT_ALIGNMENT
#define RE_FIXUP_RX 1
#endif
#define RL_8169_TX_DESC_CNT 256
#define RL_8169_RX_DESC_CNT 256
#define RL_8139_TX_DESC_CNT 64
#define RL_8139_RX_DESC_CNT 64
#define RL_TX_DESC_CNT RL_8169_TX_DESC_CNT
#define RL_RX_DESC_CNT RL_8169_RX_DESC_CNT
#define RL_NTXSEGS 32
#define RL_RING_ALIGN 256
#define RL_IFQ_MAXLEN 512
#define RL_TX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1))
#define RL_TX_DESC_PRV(sc,x) ((x - 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1))
#define RL_RX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_rx_desc_cnt - 1))
#define RL_OWN(x) (le32toh((x)->rl_cmdstat) & RL_RDESC_STAT_OWN)
#define RL_RXBYTES(x) (le32toh((x)->rl_cmdstat) & sc->rl_rxlenmask)
#define RL_PKTSZ(x) ((x)/* >> 3*/)
#ifdef RE_FIXUP_RX
#define RE_ETHER_ALIGN sizeof(uint64_t)
#define RE_RX_DESC_BUFLEN (MCLBYTES - RE_ETHER_ALIGN)
#else
#define RE_ETHER_ALIGN 0
#define RE_RX_DESC_BUFLEN MCLBYTES
#endif
#define RL_MSI_MESSAGES 2
#define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF)
#define RL_ADDR_HI(y) ((uint64_t) (y) >> 32)
/*
* The number of bits reserved for MSS in RealTek controllers is
* 11bits. This limits the maximum interface MTU size in TSO case
* as upper stack should not generate TCP segments with MSS greater
* than the limit.
*/
#define RL_TSO_MTU (2047 - ETHER_HDR_LEN - ETHER_CRC_LEN)
/* see comment in dev/re/if_re.c */
#define RL_JUMBO_FRAMELEN 7440
#define RL_JUMBO_MTU (RL_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
#define RL_MAX_FRAMELEN \
(ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
struct rl_txdesc {
struct mbuf *tx_m;
bus_dmamap_t tx_dmamap;
};
struct rl_rxdesc {
struct mbuf *rx_m;
bus_dmamap_t rx_dmamap;
bus_size_t rx_size;
};
struct rl_list_data {
struct rl_txdesc rl_tx_desc[RL_TX_DESC_CNT];
struct rl_rxdesc rl_rx_desc[RL_RX_DESC_CNT];
int rl_tx_desc_cnt;
int rl_rx_desc_cnt;
int rl_tx_prodidx;
int rl_rx_prodidx;
int rl_tx_considx;
int rl_tx_free;
bus_dma_tag_t rl_tx_mtag; /* mbuf TX mapping tag */
bus_dma_tag_t rl_rx_mtag; /* mbuf RX mapping tag */
bus_dmamap_t rl_rx_sparemap;
bus_dma_tag_t rl_stag; /* stats mapping tag */
bus_dmamap_t rl_smap; /* stats map */
struct rl_stats *rl_stats;
bus_addr_t rl_stats_addr;
bus_dma_tag_t rl_rx_list_tag;
bus_dmamap_t rl_rx_list_map;
struct rl_desc *rl_rx_list;
bus_addr_t rl_rx_list_addr;
bus_dma_tag_t rl_tx_list_tag;
bus_dmamap_t rl_tx_list_map;
struct rl_desc *rl_tx_list;
bus_addr_t rl_tx_list_addr;
};
enum rl_twist { DONE, CHK_LINK, FIND_ROW, SET_PARAM, RECHK_LONG, RETUNE };
struct rl_softc {
struct ifnet *rl_ifp; /* interface info */
bus_space_handle_t rl_bhandle; /* bus space handle */
bus_space_tag_t rl_btag; /* bus space tag */
device_t rl_dev;
struct resource *rl_res;
int rl_res_id;
int rl_res_type;
struct resource *rl_irq[RL_MSI_MESSAGES];
void *rl_intrhand[RL_MSI_MESSAGES];
device_t rl_miibus;
bus_dma_tag_t rl_parent_tag;
uint8_t rl_type;
int rl_eecmd_read;
int rl_eewidth;
uint8_t rl_stats_no_timeout;
int rl_txthresh;
struct rl_chain_data rl_cdata;
struct rl_list_data rl_ldata;
struct callout rl_stat_callout;
int rl_watchdog_timer;
struct mtx rl_mtx;
struct mbuf *rl_head;
struct mbuf *rl_tail;
uint32_t rl_hwrev;
uint32_t rl_rxlenmask;
int rl_testmode;
int rl_if_flags;
int rl_twister_enable;
enum rl_twist rl_twister;
int rl_twist_row;
int rl_twist_col;
int suspended; /* 0 = normal 1 = suspended */
#ifdef DEVICE_POLLING
int rxcycles;
#endif
struct task rl_txtask;
struct task rl_inttask;
int rl_txstart;
uint32_t rl_flags;
#define RL_FLAG_MSI 0x0001
#define RL_FLAG_INVMAR 0x0004
#define RL_FLAG_PHYWAKE 0x0008
#define RL_FLAG_NOJUMBO 0x0010
#define RL_FLAG_PAR 0x0020
#define RL_FLAG_DESCV2 0x0040
#define RL_FLAG_MACSTAT 0x0080
#define RL_FLAG_FASTETHER 0x0100
#define RL_FLAG_CMDSTOP 0x0200
#define RL_FLAG_PHY8169 0x0400
#define RL_FLAG_PHY8110S 0x0800
#define RL_FLAG_WOLRXENB 0x1000
#define RL_FLAG_LINK 0x8000
};
#define RL_LOCK(_sc) mtx_lock(&(_sc)->rl_mtx)
#define RL_UNLOCK(_sc) mtx_unlock(&(_sc)->rl_mtx)
#define RL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rl_mtx, MA_OWNED)
/*
* register space access macros
*/
#define CSR_WRITE_STREAM_4(sc, reg, val) \
bus_space_write_stream_4(sc->rl_btag, sc->rl_bhandle, reg, val)
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val)
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val)
#define CSR_WRITE_1(sc, reg, val) \
bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val)
#define CSR_READ_4(sc, reg) \
bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg)
#define CSR_READ_2(sc, reg) \
bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg)
#define CSR_READ_1(sc, reg) \
bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg)
#define CSR_SETBIT_1(sc, offset, val) \
CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
#define CSR_CLRBIT_1(sc, offset, val) \
CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
#define CSR_SETBIT_2(sc, offset, val) \
CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
#define CSR_CLRBIT_2(sc, offset, val) \
CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
#define CSR_SETBIT_4(sc, offset, val) \
CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
#define CSR_CLRBIT_4(sc, offset, val) \
CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
#define RL_TIMEOUT 1000
/*
* General constants that are fun to know.
*
* RealTek PCI vendor ID
*/
#define RT_VENDORID 0x10EC
/*
* RealTek chip device IDs.
*/
#define RT_DEVICEID_8139D 0x8039
#define RT_DEVICEID_8129 0x8129
#define RT_DEVICEID_8101E 0x8136
#define RT_DEVICEID_8138 0x8138
#define RT_DEVICEID_8139 0x8139
#define RT_DEVICEID_8169SC 0x8167
#define RT_DEVICEID_8168 0x8168
#define RT_DEVICEID_8169 0x8169
#define RT_DEVICEID_8100 0x8100
#define RT_REVID_8139CPLUS 0x20
/*
* Accton PCI vendor ID
*/
#define ACCTON_VENDORID 0x1113
/*
* Accton MPX 5030/5038 device ID.
*/
#define ACCTON_DEVICEID_5030 0x1211
/*
* Nortel PCI vendor ID
*/
#define NORTEL_VENDORID 0x126C
/*
* Delta Electronics Vendor ID.
*/
#define DELTA_VENDORID 0x1500
/*
* Delta device IDs.
*/
#define DELTA_DEVICEID_8139 0x1360
/*
* Addtron vendor ID.
*/
#define ADDTRON_VENDORID 0x4033
/*
* Addtron device IDs.
*/
#define ADDTRON_DEVICEID_8139 0x1360
/*
* D-Link vendor ID.
*/
#define DLINK_VENDORID 0x1186
/*
* D-Link DFE-530TX+ device ID
*/
#define DLINK_DEVICEID_530TXPLUS 0x1300
/*
* D-Link DFE-5280T device ID
*/
#define DLINK_DEVICEID_528T 0x4300
/*
* D-Link DFE-690TXD device ID
*/
#define DLINK_DEVICEID_690TXD 0x1340
/*
* Corega K.K vendor ID
*/
#define COREGA_VENDORID 0x1259
/*
* Corega FEther CB-TXD device ID
*/
#define COREGA_DEVICEID_FETHERCBTXD 0xa117
/*
* Corega FEtherII CB-TXD device ID
*/
#define COREGA_DEVICEID_FETHERIICBTXD 0xa11e
/*
* Corega CG-LAPCIGT device ID
*/
#define COREGA_DEVICEID_CGLAPCIGT 0xc107
/*
* Linksys vendor ID
*/
#define LINKSYS_VENDORID 0x1737
/*
* Linksys EG1032 device ID
*/
#define LINKSYS_DEVICEID_EG1032 0x1032
/*
* Linksys EG1032 rev 3 sub-device ID
*/
#define LINKSYS_SUBDEVICE_EG1032_REV3 0x0024
/*
* Peppercon vendor ID
*/
#define PEPPERCON_VENDORID 0x1743
/*
* Peppercon ROL-F device ID
*/
#define PEPPERCON_DEVICEID_ROLF 0x8139
/*
* Planex Communications, Inc. vendor ID
*/
#define PLANEX_VENDORID 0x14ea
/*
* Planex FNW-3603-TX device ID
*/
#define PLANEX_DEVICEID_FNW3603TX 0xab06
/*
* Planex FNW-3800-TX device ID
*/
#define PLANEX_DEVICEID_FNW3800TX 0xab07
/*
* LevelOne vendor ID
*/
#define LEVEL1_VENDORID 0x018A
/*
* LevelOne FPC-0106TX devide ID
*/
#define LEVEL1_DEVICEID_FPC0106TX 0x0106
/*
* Compaq vendor ID
*/
#define CP_VENDORID 0x021B
/*
* Edimax vendor ID
*/
#define EDIMAX_VENDORID 0x13D1
/*
* Edimax EP-4103DL cardbus device ID
*/
#define EDIMAX_DEVICEID_EP4103DL 0xAB06
/* US Robotics vendor ID */
#define USR_VENDORID 0x16EC
/* US Robotics 997902 device ID */
#define USR_DEVICEID_997902 0x0116
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
*/
#define RL_PCI_VENDOR_ID 0x00
#define RL_PCI_DEVICE_ID 0x02
#define RL_PCI_COMMAND 0x04
#define RL_PCI_STATUS 0x06
#define RL_PCI_CLASSCODE 0x09
#define RL_PCI_LATENCY_TIMER 0x0D
#define RL_PCI_HEADER_TYPE 0x0E
#define RL_PCI_LOIO 0x10
#define RL_PCI_LOMEM 0x14
#define RL_PCI_BIOSROM 0x30
#define RL_PCI_INTLINE 0x3C
#define RL_PCI_INTPIN 0x3D
#define RL_PCI_MINGNT 0x3E
#define RL_PCI_MINLAT 0x0F
#define RL_PCI_RESETOPT 0x48
#define RL_PCI_EEPROM_DATA 0x4C
#define RL_PCI_CAPID 0x50 /* 8 bits */
#define RL_PCI_NEXTPTR 0x51 /* 8 bits */
#define RL_PCI_PWRMGMTCAP 0x52 /* 16 bits */
#define RL_PCI_PWRMGMTCTRL 0x54 /* 16 bits */
#define RL_PSTATE_MASK 0x0003
#define RL_PSTATE_D0 0x0000
#define RL_PSTATE_D1 0x0002
#define RL_PSTATE_D2 0x0002
#define RL_PSTATE_D3 0x0003
#define RL_PME_EN 0x0010
#define RL_PME_STATUS 0x8000
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