Home | History | Annotate | Line # | Download | only in ic
rtl81x9reg.h revision 1.1
      1 /*	$NetBSD: rtl81x9reg.h,v 1.1 2000/04/10 07:42:56 haya Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997, 1998
      5  *	Bill Paul <wpaul (at) ctr.columbia.edu>.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Bill Paul.
     18  * 4. Neither the name of the author nor the names of any co-contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  * THE POSSIBILITY OF SUCH DAMAGE.
     33  *
     34  *	FreeBSD Id: if_rlreg.h,v 1.9 1999/06/20 18:56:09 wpaul Exp
     35  */
     36 
     37 /*
     38  * RealTek 8129/8139 register offsets
     39  */
     40 #define	RL_IDR0		0x0000		/* ID register 0 (station addr) */
     41 #define RL_IDR1		0x0001		/* Must use 32-bit accesses (?) */
     42 #define RL_IDR2		0x0002
     43 #define RL_IDR3		0x0003
     44 #define RL_IDR4		0x0004
     45 #define RL_IDR5		0x0005
     46 					/* 0006-0007 reserved */
     47 #define RL_MAR0		0x0008		/* Multicast hash table */
     48 #define RL_MAR1		0x0009
     49 #define RL_MAR2		0x000A
     50 #define RL_MAR3		0x000B
     51 #define RL_MAR4		0x000C
     52 #define RL_MAR5		0x000D
     53 #define RL_MAR6		0x000E
     54 #define RL_MAR7		0x000F
     55 
     56 #define RL_TXSTAT0	0x0010		/* status of TX descriptor 0 */
     57 #define RL_TXSTAT1	0x0014		/* status of TX descriptor 1 */
     58 #define RL_TXSTAT2	0x0018		/* status of TX descriptor 2 */
     59 #define RL_TXSTAT3	0x001C		/* status of TX descriptor 3 */
     60 
     61 #define RL_TXADDR0	0x0020		/* address of TX descriptor 0 */
     62 #define RL_TXADDR1	0x0024		/* address of TX descriptor 1 */
     63 #define RL_TXADDR2	0x0028		/* address of TX descriptor 2 */
     64 #define RL_TXADDR3	0x002C		/* address of TX descriptor 3 */
     65 
     66 #define RL_RXADDR		0x0030	/* RX ring start address */
     67 #define RL_RX_EARLY_BYTES	0x0034	/* RX early byte count */
     68 #define RL_RX_EARLY_STAT	0x0036	/* RX early status */
     69 #define RL_COMMAND	0x0037		/* command register */
     70 #define RL_CURRXADDR	0x0038		/* current address of packet read */
     71 #define RL_CURRXBUF	0x003A		/* current RX buffer address */
     72 #define RL_IMR		0x003C		/* interrupt mask register */
     73 #define RL_ISR		0x003E		/* interrupt status register */
     74 #define RL_TXCFG	0x0040		/* transmit config */
     75 #define RL_RXCFG	0x0044		/* receive config */
     76 #define RL_TIMERCNT	0x0048		/* timer count register */
     77 #define RL_MISSEDPKT	0x004C		/* missed packet counter */
     78 #define RL_EECMD	0x0050		/* EEPROM command register */
     79 #define RL_CFG0		0x0051		/* config register #0 */
     80 #define RL_CFG1		0x0052		/* config register #1 */
     81 					/* 0053-0057 reserved */
     82 #define RL_MEDIASTAT	0x0058		/* media status register (8139) */
     83 					/* 0059-005A reserved */
     84 #define RL_MII		0x005A		/* 8129 chip only */
     85 #define RL_HALTCLK	0x005B
     86 #define RL_MULTIINTR	0x005C		/* multiple interrupt */
     87 #define RL_PCIREV	0x005E		/* PCI revision value */
     88 					/* 005F reserved */
     89 #define RL_TXSTAT_ALL	0x0060		/* TX status of all descriptors */
     90 
     91 /* Direct PHY access registers only available on 8139 */
     92 #define RL_BMCR		0x0062		/* PHY basic mode control */
     93 #define RL_BMSR		0x0064		/* PHY basic mode status */
     94 #define RL_ANAR		0x0066		/* PHY autoneg advert */
     95 #define RL_LPAR		0x0068		/* PHY link partner ability */
     96 #define RL_ANER		0x006A		/* PHY autoneg expansion */
     97 
     98 #define RL_DISCCNT	0x006C		/* disconnect counter */
     99 #define RL_FALSECAR	0x006E		/* false carrier counter */
    100 #define RL_NWAYTST	0x0070		/* NWAY test register */
    101 #define RL_RX_ER	0x0072		/* RX_ER counter */
    102 #define RL_CSCFG	0x0074		/* CS configuration register */
    103 
    104 
    105 /*
    106  * TX config register bits
    107  */
    108 #define RL_TXCFG_CLRABRT	0x00000001	/* retransmit aborted pkt */
    109 #define RL_TXCFG_MAXDMA		0x00000700	/* max DMA burst size */
    110 #define RL_TXCFG_CRCAPPEND	0x00010000	/* CRC append (0 = yes) */
    111 #define RL_TXCFG_LOOPBKTST	0x00060000	/* loopback test */
    112 #define RL_TXCFG_IFG		0x03000000	/* interframe gap */
    113 
    114 #define RL_TXDMA_16BYTES	0x00000000
    115 #define RL_TXDMA_32BYTES	0x00000100
    116 #define RL_TXDMA_64BYTES	0x00000200
    117 #define RL_TXDMA_128BYTES	0x00000300
    118 #define RL_TXDMA_256BYTES	0x00000400
    119 #define RL_TXDMA_512BYTES	0x00000500
    120 #define RL_TXDMA_1024BYTES	0x00000600
    121 #define RL_TXDMA_2048BYTES	0x00000700
    122 
    123 /*
    124  * Transmit descriptor status register bits.
    125  */
    126 #define RL_TXSTAT_LENMASK	0x00001FFF
    127 #define RL_TXSTAT_OWN		0x00002000
    128 #define RL_TXSTAT_TX_UNDERRUN	0x00004000
    129 #define RL_TXSTAT_TX_OK		0x00008000
    130 #define RL_TXSTAT_EARLY_THRESH	0x003F0000
    131 #define RL_TXSTAT_COLLCNT	0x0F000000
    132 #define RL_TXSTAT_CARR_HBEAT	0x10000000
    133 #define RL_TXSTAT_OUTOFWIN	0x20000000
    134 #define RL_TXSTAT_TXABRT	0x40000000
    135 #define RL_TXSTAT_CARRLOSS	0x80000000
    136 
    137 /*
    138  * Interrupt status register bits.
    139  */
    140 #define RL_ISR_RX_OK		0x0001
    141 #define RL_ISR_RX_ERR		0x0002
    142 #define RL_ISR_TX_OK		0x0004
    143 #define RL_ISR_TX_ERR		0x0008
    144 #define RL_ISR_RX_OVERRUN	0x0010
    145 #define RL_ISR_PKT_UNDERRUN	0x0020
    146 #define RL_ISR_FIFO_OFLOW	0x0040	/* 8139 only */
    147 #define RL_ISR_PCS_TIMEOUT	0x4000	/* 8129 only */
    148 #define RL_ISR_SYSTEM_ERR	0x8000
    149 
    150 #define RL_INTRS	\
    151 	(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|		\
    152 	RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW|	\
    153 	RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
    154 
    155 /*
    156  * Media status register. (8139 only)
    157  */
    158 #define RL_MEDIASTAT_RXPAUSE	0x01
    159 #define RL_MEDIASTAT_TXPAUSE	0x02
    160 #define RL_MEDIASTAT_LINK	0x04
    161 #define RL_MEDIASTAT_SPEED10	0x08
    162 #define RL_MEDIASTAT_RXFLOWCTL	0x40	/* duplex mode */
    163 #define RL_MEDIASTAT_TXFLOWCTL	0x80	/* duplex mode */
    164 
    165 /*
    166  * Receive config register.
    167  */
    168 #define RL_RXCFG_RX_ALLPHYS	0x00000001	/* accept all nodes */
    169 #define RL_RXCFG_RX_INDIV	0x00000002	/* match filter */
    170 #define RL_RXCFG_RX_MULTI	0x00000004	/* accept all multicast */
    171 #define RL_RXCFG_RX_BROAD	0x00000008	/* accept all broadcast */
    172 #define RL_RXCFG_RX_RUNT	0x00000010
    173 #define RL_RXCFG_RX_ERRPKT	0x00000020
    174 #define RL_RXCFG_WRAP		0x00000080
    175 #define RL_RXCFG_MAXDMA		0x00000700
    176 #define RL_RXCFG_BUFSZ		0x00001800
    177 #define RL_RXCFG_FIFOTHRESH	0x0000E000
    178 #define RL_RXCFG_EARLYTHRESH	0x07000000
    179 
    180 #define RL_RXDMA_16BYTES	0x00000000
    181 #define RL_RXDMA_32BYTES	0x00000100
    182 #define RL_RXDMA_64BYTES	0x00000200
    183 #define RL_RXDMA_128BYTES	0x00000300
    184 #define RL_RXDMA_256BYTES	0x00000400
    185 #define RL_RXDMA_512BYTES	0x00000500
    186 #define RL_RXDMA_1024BYTES	0x00000600
    187 #define RL_RXDMA_UNLIMITED	0x00000700
    188 
    189 #define RL_RXBUF_8		0x00000000
    190 #define RL_RXBUF_16		0x00000800
    191 #define RL_RXBUF_32		0x00001000
    192 #define RL_RXBUF_64		0x00001800
    193 
    194 #define RL_RXFIFO_16BYTES	0x00000000
    195 #define RL_RXFIFO_32BYTES	0x00002000
    196 #define RL_RXFIFO_64BYTES	0x00004000
    197 #define RL_RXFIFO_128BYTES	0x00006000
    198 #define RL_RXFIFO_256BYTES	0x00008000
    199 #define RL_RXFIFO_512BYTES	0x0000A000
    200 #define RL_RXFIFO_1024BYTES	0x0000C000
    201 #define RL_RXFIFO_NOTHRESH	0x0000E000
    202 
    203 /*
    204  * Bits in RX status header (included with RX'ed packet
    205  * in ring buffer).
    206  */
    207 #define RL_RXSTAT_RXOK		0x00000001
    208 #define RL_RXSTAT_ALIGNERR	0x00000002
    209 #define RL_RXSTAT_CRCERR	0x00000004
    210 #define RL_RXSTAT_GIANT		0x00000008
    211 #define RL_RXSTAT_RUNT		0x00000010
    212 #define RL_RXSTAT_BADSYM	0x00000020
    213 #define RL_RXSTAT_BROAD		0x00002000
    214 #define RL_RXSTAT_INDIV		0x00004000
    215 #define RL_RXSTAT_MULTI		0x00008000
    216 #define RL_RXSTAT_LENMASK	0xFFFF0000
    217 
    218 #define RL_RXSTAT_UNFINISHED	0xFFF0		/* DMA still in progress */
    219 /*
    220  * Command register.
    221  */
    222 #define RL_CMD_EMPTY_RXBUF	0x0001
    223 #define RL_CMD_TX_ENB		0x0004
    224 #define RL_CMD_RX_ENB		0x0008
    225 #define RL_CMD_RESET		0x0010
    226 
    227 /*
    228  * EEPROM control register
    229  */
    230 #define RL_EE_DATAOUT		0x01	/* Data out */
    231 #define RL_EE_DATAIN		0x02	/* Data in */
    232 #define RL_EE_CLK		0x04	/* clock */
    233 #define RL_EE_SEL		0x08	/* chip select */
    234 #define RL_EE_MODE		(0x40|0x80)
    235 
    236 #define RL_EEMODE_OFF		0x00
    237 #define RL_EEMODE_AUTOLOAD	0x40
    238 #define RL_EEMODE_PROGRAM	0x80
    239 #define RL_EEMODE_WRITECFG	(0x80|0x40)
    240 
    241 /* 9346 EEPROM commands */
    242 #define RL_EECMD_WRITE		0x140
    243 #define RL_EECMD_READ		0x180
    244 #define RL_EECMD_ERASE		0x1c0
    245 
    246 #define RL_EE_ID		0x00
    247 #define RL_EE_PCI_VID		0x01
    248 #define RL_EE_PCI_DID		0x02
    249 /* Location of station address inside EEPROM */
    250 #define RL_EE_EADDR		0x07
    251 
    252 /*
    253  * MII register (8129 only)
    254  */
    255 #define RL_MII_CLK		0x01
    256 #define RL_MII_DATAIN		0x02
    257 #define RL_MII_DATAOUT		0x04
    258 #define RL_MII_DIR		0x80	/* 0 == input, 1 == output */
    259 
    260 /*
    261  * Config 0 register
    262  */
    263 #define RL_CFG0_ROM0		0x01
    264 #define RL_CFG0_ROM1		0x02
    265 #define RL_CFG0_ROM2		0x04
    266 #define RL_CFG0_PL0		0x08
    267 #define RL_CFG0_PL1		0x10
    268 #define RL_CFG0_10MBPS		0x20	/* 10 Mbps internal mode */
    269 #define RL_CFG0_PCS		0x40
    270 #define RL_CFG0_SCR		0x80
    271 
    272 /*
    273  * Config 1 register
    274  */
    275 #define RL_CFG1_PWRDWN		0x01
    276 #define RL_CFG1_SLEEP		0x02
    277 #define RL_CFG1_IOMAP		0x04
    278 #define RL_CFG1_MEMMAP		0x08
    279 #define RL_CFG1_RSVD		0x10
    280 #define RL_CFG1_DRVLOAD		0x20
    281 #define RL_CFG1_LED0		0x40
    282 #define RL_CFG1_FULLDUPLEX	0x40	/* 8129 only */
    283 #define RL_CFG1_LED1		0x80
    284 
    285 /*
    286  * The RealTek doesn't use a fragment-based descriptor mechanism.
    287  * Instead, there are only four register sets, each or which represents
    288  * one 'descriptor.' Basically, each TX descriptor is just a contiguous
    289  * packet buffer (32-bit aligned!) and we place the buffer addresses in
    290  * the registers so the chip knows where they are.
    291  *
    292  * We can sort of kludge together the same kind of buffer management
    293  * used in previous drivers, but we have to do buffer copies almost all
    294  * the time, so it doesn't really buy us much.
    295  *
    296  * For reception, there's just one large buffer where the chip stores
    297  * all received packets.
    298  */
    299 
    300 #define RL_RX_BUF_SZ		RL_RXBUF_64
    301 #define RL_RXBUFLEN		(1 << ((RL_RX_BUF_SZ >> 11) + 13))
    302 #define RL_TX_LIST_CNT		4
    303 #define RL_MIN_FRAMELEN		60
    304 #define RL_TX_EARLYTHRESH	(256 << 11)
    305 #define RL_RX_FIFOTHRESH	RL_RXFIFO_256BYTES
    306 #define RL_RX_MAXDMA		RL_RXDMA_256BYTES
    307 #define RL_TX_MAXDMA		RL_TXDMA_256BYTES
    308 
    309 #define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
    310 #define RL_TXCFG_CONFIG	(RL_TXCFG_IFG|RL_TX_MAXDMA)
    311 
    312 #define RL_ETHER_ALIGN	2
    313 
    314 struct rl_chain_data {
    315 	u_int16_t		cur_rx;
    316 	caddr_t			rl_rx_buf;
    317 	caddr_t			rl_rx_buf_ptr;
    318 
    319 	struct mbuf		*rl_tx_chain[RL_TX_LIST_CNT];
    320 	u_int8_t		last_tx;
    321 	u_int8_t		cur_tx;
    322 };
    323 
    324 #define RL_INC(x)		(x = (x + 1) % RL_TX_LIST_CNT)
    325 #define RL_CUR_TXADDR(x)	((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
    326 #define RL_CUR_TXSTAT(x)	((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
    327 #define RL_CUR_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
    328 #define RL_LAST_TXADDR(x)	((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
    329 #define RL_LAST_TXSTAT(x)	((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
    330 #define RL_LAST_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
    331 
    332 struct rl_type {
    333 	u_int16_t		rl_vid;
    334 	u_int16_t		rl_did;
    335 	char			*rl_name;
    336 };
    337 
    338 struct rl_mii_frame {
    339 	u_int8_t		mii_stdelim;
    340 	u_int8_t		mii_opcode;
    341 	u_int8_t		mii_phyaddr;
    342 	u_int8_t		mii_regaddr;
    343 	u_int8_t		mii_turnaround;
    344 	u_int16_t		mii_data;
    345 };
    346 
    347 /*
    348  * MII constants
    349  */
    350 #define RL_MII_STARTDELIM	0x01
    351 #define RL_MII_READOP		0x02
    352 #define RL_MII_WRITEOP		0x01
    353 #define RL_MII_TURNAROUND	0x02
    354 
    355 #define RL_8129			1
    356 #define RL_8139			2
    357 
    358 struct rl_softc {
    359 	struct device sc_dev;		/* generic device structures */
    360 	struct ethercom		ethercom;		/* interface info */
    361 	struct mii_data		mii;
    362 	struct callout		rl_tick_ch;	/* tick callout */
    363 	bus_space_handle_t	rl_bhandle;	/* bus space handle */
    364 	bus_space_tag_t		rl_btag;	/* bus space tag */
    365 	u_int8_t		rl_type;
    366 	struct rl_chain_data	rl_cdata;
    367 	void *sc_ih;
    368 	bus_dma_tag_t sc_dmat;
    369 	bus_dmamap_t recv_dmamap, snd_dmamap[RL_TX_LIST_CNT];
    370 	struct mbuf *sndbuf[RL_TX_LIST_CNT];
    371 };
    372 
    373 /*
    374  * register space access macros
    375  */
    376 #define CSR_WRITE_4(sc, reg, val)	\
    377 	bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val)
    378 #define CSR_WRITE_2(sc, reg, val)	\
    379 	bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val)
    380 #define CSR_WRITE_1(sc, reg, val)	\
    381 	bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val)
    382 
    383 #define CSR_READ_4(sc, reg)		\
    384 	bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg)
    385 #define CSR_READ_2(sc, reg)		\
    386 	bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg)
    387 #define CSR_READ_1(sc, reg)		\
    388 	bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg)
    389 
    390 #define RL_TIMEOUT		1000
    391 
    392 /*
    393  * PCI low memory base and low I/O base register, and
    394  * other PCI registers.
    395  */
    396 
    397 #define RL_PCI_LOIO		0x10
    398 #define RL_PCI_LOMEM		0x14
    399 #define RL_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
    400 
    401 #define RL_PSTATE_MASK		0x0003
    402 #define RL_PSTATE_D0		0x0000
    403 #define RL_PSTATE_D1		0x0002
    404 #define RL_PSTATE_D2		0x0002
    405 #define RL_PSTATE_D3		0x0003
    406 #define RL_PME_EN		0x0010
    407 #define RL_PME_STATUS		0x8000
    408 
    409 #ifdef _KERNEL
    410 void	rl_attach	__P((struct rl_softc *, const u_int8_t *));
    411 int	rl_intr		__P((void *));
    412 void	rl_read_eeprom	__P((struct rl_softc *, caddr_t, int, int, int));
    413 void	rl_reset	__P((struct rl_softc *));
    414 #endif /* _KERNEL */
    415