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rtl81x9var.h revision 1.10.20.5
      1 /*	$NetBSD: rtl81x9var.h,v 1.10.20.5 2005/01/24 08:35:19 skrll 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 #include "rnd.h"
     38 
     39 #if NRND > 0
     40 #include <sys/rnd.h>
     41 #endif
     42 
     43 #define RTK_ETHER_ALIGN	2
     44 #define RTK_RXSTAT_LEN	4
     45 
     46 struct rtk_type {
     47 	u_int16_t		rtk_vid;
     48 	u_int16_t		rtk_did;
     49 	int			rtk_basetype;
     50 	const char		*rtk_name;
     51 };
     52 
     53 struct rtk_hwrev {
     54 	uint32_t		rtk_rev;
     55 	int			rtk_type;
     56 	char			*rtk_desc;
     57 };
     58 
     59 struct rtk_mii_frame {
     60 	u_int8_t		mii_stdelim;
     61 	u_int8_t		mii_opcode;
     62 	u_int8_t		mii_phyaddr;
     63 	u_int8_t		mii_regaddr;
     64 	u_int8_t		mii_turnaround;
     65 	u_int16_t		mii_data;
     66 };
     67 
     68 /*
     69  * MII constants
     70  */
     71 #define RTK_MII_STARTDELIM	0x01
     72 #define RTK_MII_READOP		0x02
     73 #define RTK_MII_WRITEOP		0x01
     74 #define RTK_MII_TURNAROUND	0x02
     75 
     76 #define RTK_8129		1
     77 #define RTK_8139		2
     78 #define RTK_8139CPLUS		3
     79 #define RTK_8169		4
     80 
     81 #define RTK_ISCPLUS(x)	((x)->rtk_type == RTK_8139CPLUS || \
     82 			 (x)->rtk_type == RTK_8169)
     83 
     84 /*
     85  * The 8139C+ and 8160 gigE chips support descriptor-based TX
     86  * and RX. In fact, they even support TCP large send. Descriptors
     87  * must be allocated in contiguous blocks that are aligned on a
     88  * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
     89  */
     90 
     91 struct rtk_list_data {
     92 	struct mbuf		*rtk_tx_mbuf[RTK_TX_DESC_CNT];
     93 	struct mbuf		*rtk_rx_mbuf[RTK_RX_DESC_CNT];
     94 	int			rtk_tx_prodidx;
     95 	int			rtk_rx_prodidx;
     96 	int			rtk_tx_considx;
     97 	int			rtk_tx_free;
     98 	bus_dmamap_t		rtk_tx_dmamap[RTK_TX_DESC_CNT];
     99 	bus_dmamap_t		rtk_rx_dmamap[RTK_RX_DESC_CNT];
    100 	bus_dmamap_t		rtk_rx_list_map;
    101 	struct rtk_desc		*rtk_rx_list;
    102 	bus_dma_segment_t 	rtk_rx_listseg;
    103 	int			rtk_rx_listnseg;
    104 	bus_dmamap_t		rtk_tx_list_map;
    105 	struct rtk_desc		*rtk_tx_list;
    106 	bus_dma_segment_t 	rtk_tx_listseg;
    107 	int			rtk_tx_listnseg;
    108 };
    109 struct rtk_tx_desc {
    110 	SIMPLEQ_ENTRY(rtk_tx_desc) txd_q;
    111 	struct mbuf		*txd_mbuf;
    112 	bus_dmamap_t		txd_dmamap;
    113 	bus_addr_t		txd_txaddr;
    114 	bus_addr_t		txd_txstat;
    115 };
    116 
    117 struct rtk_softc {
    118 	struct device sc_dev;		/* generic device structures */
    119 	struct ethercom		ethercom;	/* interface info */
    120 	struct mii_data		mii;
    121 	struct callout		rtk_tick_ch;	/* tick callout */
    122 	bus_space_handle_t	rtk_bhandle;	/* bus space handle */
    123 	bus_space_tag_t		rtk_btag;	/* bus space tag */
    124 	int			rtk_type;
    125 	bus_dma_tag_t 		sc_dmat;
    126 	bus_dma_segment_t 	sc_dmaseg;
    127 	int			sc_dmanseg;
    128 
    129 	bus_dmamap_t 		recv_dmamap;
    130 	caddr_t			rtk_rx_buf;
    131 
    132 	struct rtk_tx_desc	rtk_tx_descs[RTK_TX_LIST_CNT];
    133 	SIMPLEQ_HEAD(, rtk_tx_desc) rtk_tx_free;
    134 	SIMPLEQ_HEAD(, rtk_tx_desc) rtk_tx_dirty;
    135 	struct rtk_list_data	rtk_ldata;
    136 	struct mbuf		*rtk_head;
    137 	struct mbuf		*rtk_tail;
    138 	u_int32_t		rtk_rxlenmask;
    139 	int			rtk_testmode;
    140 
    141 	int			sc_flags;	/* misc flags */
    142 	int			sc_txthresh;	/* Early tx threshold */
    143 	int			sc_rev;		/* revision within rtk_type */
    144 
    145 	void	*sc_sdhook;			/* shutdown hook */
    146 	void	*sc_powerhook;			/* power management hook */
    147 
    148 	/* Power management hooks. */
    149 	int	(*sc_enable)	__P((struct rtk_softc *));
    150 	void	(*sc_disable)	__P((struct rtk_softc *));
    151 	void	(*sc_power)	__P((struct rtk_softc *, int));
    152 #if NRND > 0
    153 	rndsource_element_t     rnd_source;
    154 #endif
    155 };
    156 
    157 #define RTK_ATTACHED 0x00000001 /* attach has succeeded */
    158 #define RTK_ENABLED  0x00000002 /* chip is enabled	*/
    159 
    160 #define RTK_IS_ENABLED(sc)	((sc)->sc_flags & RTK_ENABLED)
    161 #define RTK_TX_THRESH(sc)	(((sc)->sc_txthresh << 16) & 0x003F0000)
    162 
    163 #define TXTH_256	8
    164 #define TXTH_MAX	48
    165 
    166 /*
    167  * register space access macros
    168  */
    169 #define CSR_WRITE_4(sc, reg, val)	\
    170 	bus_space_write_4(sc->rtk_btag, sc->rtk_bhandle, reg, val)
    171 #define CSR_WRITE_2(sc, reg, val)	\
    172 	bus_space_write_2(sc->rtk_btag, sc->rtk_bhandle, reg, val)
    173 #define CSR_WRITE_1(sc, reg, val)	\
    174 	bus_space_write_1(sc->rtk_btag, sc->rtk_bhandle, reg, val)
    175 #define CSR_WRITE_STREAM_4(sc, reg, val)	\
    176 	bus_space_write_stream_4(sc->rtk_btag, sc->rtk_bhandle, reg, val)
    177 
    178 
    179 #define CSR_READ_4(sc, reg)		\
    180 	bus_space_read_4(sc->rtk_btag, sc->rtk_bhandle, reg)
    181 #define CSR_READ_2(sc, reg)		\
    182 	bus_space_read_2(sc->rtk_btag, sc->rtk_bhandle, reg)
    183 #define CSR_READ_1(sc, reg)		\
    184 	bus_space_read_1(sc->rtk_btag, sc->rtk_bhandle, reg)
    185 
    186 #define RTK_TIMEOUT		1000
    187 
    188 /*
    189  * PCI low memory base and low I/O base register, and
    190  * other PCI registers.
    191  */
    192 
    193 #define RTK_PCI_LOIO		0x10
    194 #define RTK_PCI_LOMEM		0x14
    195 
    196 #define RTK_PSTATE_MASK		0x0003
    197 #define RTK_PSTATE_D0		0x0000
    198 #define RTK_PSTATE_D1		0x0002
    199 #define RTK_PSTATE_D2		0x0002
    200 #define RTK_PSTATE_D3		0x0003
    201 #define RTK_PME_EN		0x0010
    202 #define RTK_PME_STATUS		0x8000
    203 
    204 #ifdef _KERNEL
    205 u_int16_t rtk_read_eeprom __P((struct rtk_softc *, int, int));
    206 void	rtk_setmulti	__P((struct rtk_softc *));
    207 void	rtk_attach	__P((struct rtk_softc *));
    208 int	rtk_detach	__P((struct rtk_softc *));
    209 int	rtk_activate	__P((struct device *, enum devact));
    210 int	rtk_intr	__P((void *));
    211 #endif /* _KERNEL */
    212