drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2003 - 2009 NetXen, Inc.
   4  * Copyright (C) 2009 - QLogic Corporation.
   5  * All rights reserved.
   6  */
   7
   8 #ifndef __NETXEN_NIC_HW_H_
   9 #define __NETXEN_NIC_HW_H_
  10
  11 /* Hardware memory size of 128 meg */
  12 #define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
  13
  14 struct netxen_adapter;
  15
  16 #define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)
  17
  18 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);
  19
  20 /* Nibble or Byte mode for phy interface (GbE mode only) */
  21
  22 #define _netxen_crb_get_bit(var, bit)  ((var >> bit) & 0x1)
  23
  24 /*
  25  * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
  26  *
  27  *      Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
  28  *      Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
  29  *      Bit 2 : enable_rx => 1:enable frame recv, 0:disable
  30  *      Bit 3 : rx_synced => R/O: recv enable synched to recv stream
  31  *      Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
  32  *      Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
  33  *      Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
  34  *      Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
  35  *      Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
  36  *      Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
  37  *      Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
  38  *      Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
  39  */
  40
  41 #define netxen_gb_tx_flowctl(config_word)       \
  42         ((config_word) |= 1 << 4)
  43 #define netxen_gb_rx_flowctl(config_word)       \
  44         ((config_word) |= 1 << 5)
  45 #define netxen_gb_tx_reset_pb(config_word)      \
  46         ((config_word) |= 1 << 16)
  47 #define netxen_gb_rx_reset_pb(config_word)      \
  48         ((config_word) |= 1 << 17)
  49 #define netxen_gb_tx_reset_mac(config_word)     \
  50         ((config_word) |= 1 << 18)
  51 #define netxen_gb_rx_reset_mac(config_word)     \
  52         ((config_word) |= 1 << 19)
  53
  54 #define netxen_gb_unset_tx_flowctl(config_word) \
  55         ((config_word) &= ~(1 << 4))
  56 #define netxen_gb_unset_rx_flowctl(config_word) \
  57         ((config_word) &= ~(1 << 5))
  58
  59 #define netxen_gb_get_tx_synced(config_word)    \
  60                 _netxen_crb_get_bit((config_word), 1)
  61 #define netxen_gb_get_rx_synced(config_word)    \
  62                 _netxen_crb_get_bit((config_word), 3)
  63 #define netxen_gb_get_tx_flowctl(config_word)   \
  64                 _netxen_crb_get_bit((config_word), 4)
  65 #define netxen_gb_get_rx_flowctl(config_word)   \
  66                 _netxen_crb_get_bit((config_word), 5)
  67 #define netxen_gb_get_soft_reset(config_word)   \
  68                 _netxen_crb_get_bit((config_word), 31)
  69
  70 #define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
  71
  72 #define netxen_gb_set_mii_mgmt_clockselect(config_word, val)    \
  73                 ((config_word) |= ((val) & 0x07))
  74 #define netxen_gb_mii_mgmt_reset(config_word)   \
  75                 ((config_word) |= 1 << 31)
  76 #define netxen_gb_mii_mgmt_unset(config_word)   \
  77                 ((config_word) &= ~(1 << 31))
  78
  79 /*
  80  * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
  81  * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
  82  * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
  83  */
  84
  85 #define netxen_gb_mii_mgmt_set_read_cycle(config_word)  \
  86                 ((config_word) |= 1 << 0)
  87 #define netxen_gb_mii_mgmt_reg_addr(config_word, val)   \
  88                 ((config_word) |= ((val) & 0x1F))
  89 #define netxen_gb_mii_mgmt_phy_addr(config_word, val)   \
  90                 ((config_word) |= (((val) & 0x1F) << 8))
  91
  92 /*
  93  * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
  94  * Read-only register.
  95  * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
  96  * Bit 1 : scanning => 1:scan operation in progress, 0:idle
  97  * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
  98  */
  99 #define netxen_get_gb_mii_mgmt_busy(config_word)        \
 100                 _netxen_crb_get_bit(config_word, 0)
 101 #define netxen_get_gb_mii_mgmt_scanning(config_word)    \
 102                 _netxen_crb_get_bit(config_word, 1)
 103 #define netxen_get_gb_mii_mgmt_notvalid(config_word)    \
 104                 _netxen_crb_get_bit(config_word, 2)
 105 /*
 106  * NIU XG Pause Ctl Register
 107  *
 108  *      Bit 0       : xg0_mask => 1:disable tx pause frames
 109  *      Bit 1       : xg0_request => 1:request single pause frame
 110  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
 111  *      Bit 3       : xg1_mask => 1:disable tx pause frames
 112  *      Bit 4       : xg1_request => 1:request single pause frame
 113  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
 114  */
 115
 116 #define netxen_xg_set_xg0_mask(config_word)    \
 117         ((config_word) |= 1 << 0)
 118 #define netxen_xg_set_xg1_mask(config_word)    \
 119         ((config_word) |= 1 << 3)
 120
 121 #define netxen_xg_get_xg0_mask(config_word)    \
 122         _netxen_crb_get_bit((config_word), 0)
 123 #define netxen_xg_get_xg1_mask(config_word)    \
 124         _netxen_crb_get_bit((config_word), 3)
 125
 126 #define netxen_xg_unset_xg0_mask(config_word)  \
 127         ((config_word) &= ~(1 << 0))
 128 #define netxen_xg_unset_xg1_mask(config_word)  \
 129         ((config_word) &= ~(1 << 3))
 130
 131 /*
 132  * NIU XG Pause Ctl Register
 133  *
 134  *      Bit 0       : xg0_mask => 1:disable tx pause frames
 135  *      Bit 1       : xg0_request => 1:request single pause frame
 136  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
 137  *      Bit 3       : xg1_mask => 1:disable tx pause frames
 138  *      Bit 4       : xg1_request => 1:request single pause frame
 139  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
 140  */
 141 #define netxen_gb_set_gb0_mask(config_word)    \
 142         ((config_word) |= 1 << 0)
 143 #define netxen_gb_set_gb1_mask(config_word)    \
 144         ((config_word) |= 1 << 2)
 145 #define netxen_gb_set_gb2_mask(config_word)    \
 146         ((config_word) |= 1 << 4)
 147 #define netxen_gb_set_gb3_mask(config_word)    \
 148         ((config_word) |= 1 << 6)
 149
 150 #define netxen_gb_get_gb0_mask(config_word)    \
 151         _netxen_crb_get_bit((config_word), 0)
 152 #define netxen_gb_get_gb1_mask(config_word)    \
 153         _netxen_crb_get_bit((config_word), 2)
 154 #define netxen_gb_get_gb2_mask(config_word)    \
 155         _netxen_crb_get_bit((config_word), 4)
 156 #define netxen_gb_get_gb3_mask(config_word)    \
 157         _netxen_crb_get_bit((config_word), 6)
 158
 159 #define netxen_gb_unset_gb0_mask(config_word)  \
 160         ((config_word) &= ~(1 << 0))
 161 #define netxen_gb_unset_gb1_mask(config_word)  \
 162         ((config_word) &= ~(1 << 2))
 163 #define netxen_gb_unset_gb2_mask(config_word)  \
 164         ((config_word) &= ~(1 << 4))
 165 #define netxen_gb_unset_gb3_mask(config_word)  \
 166         ((config_word) &= ~(1 << 6))
 167
 168
 169 /*
 170  * PHY-Specific MII control/status registers.
 171  */
 172 #define NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL             0
 173 #define NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS              1
 174 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0            2
 175 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1            3
 176 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG             4
 177 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART             5
 178 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE        6
 179 #define NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT       7
 180 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE    8
 181 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL      9
 182 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS       10
 183 #define NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS     15
 184 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL         16
 185 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS          17
 186 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE          18
 187 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS          19
 188 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE    20
 189 #define NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT    21
 190 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL         24
 191 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE        25
 192 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET        26
 193 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE     27
 194
 195 /*
 196  * PHY-Specific Status Register (reg 17).
 197  *
 198  * Bit 0      : jabber => 1:jabber detected, 0:not
 199  * Bit 1      : polarity => 1:polarity reversed, 0:normal
 200  * Bit 2      : recvpause => 1:receive pause enabled, 0:disabled
 201  * Bit 3      : xmitpause => 1:transmit pause enabled, 0:disabled
 202  * Bit 4      : energydetect => 1:sleep, 0:active
 203  * Bit 5      : downshift => 1:downshift, 0:no downshift
 204  * Bit 6      : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
 205  * Bits 7-9   : cablelen => not valid in 10Mb/s mode
 206  *                      0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
 207  * Bit 10     : link => 1:link up, 0:link down
 208  * Bit 11     : resolved => 1:speed and duplex resolved, 0:not yet
 209  * Bit 12     : pagercvd => 1:page received, 0:page not received
 210  * Bit 13     : duplex => 1:full duplex, 0:half duplex
 211  * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
 212  */
 213
 214 #define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
 215
 216 #define netxen_set_phy_speed(config_word, val)  \
 217                 ((config_word) |= ((val & 0x03) << 14))
 218 #define netxen_set_phy_duplex(config_word)      \
 219                 ((config_word) |= 1 << 13)
 220 #define netxen_clear_phy_duplex(config_word)    \
 221                 ((config_word) &= ~(1 << 13))
 222
 223 #define netxen_get_phy_link(config_word)        \
 224                 _netxen_crb_get_bit(config_word, 10)
 225 #define netxen_get_phy_duplex(config_word)      \
 226                 _netxen_crb_get_bit(config_word, 13)
 227
 228 /*
 229  * NIU Mode Register.
 230  * Bit 0 : enable FibreChannel
 231  * Bit 1 : enable 10/100/1000 Ethernet
 232  * Bit 2 : enable 10Gb Ethernet
 233  */
 234
 235 #define netxen_get_niu_enable_ge(config_word)   \
 236                 _netxen_crb_get_bit(config_word, 1)
 237
 238 #define NETXEN_NIU_NON_PROMISC_MODE     0
 239 #define NETXEN_NIU_PROMISC_MODE         1
 240 #define NETXEN_NIU_ALLMULTI_MODE        2
 241
 242 /*
 243  * NIU XG MAC Config Register
 244  *
 245  * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
 246  * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
 247  * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
 248  * Bit 27: xaui_framer_reset
 249  * Bit 28: xaui_rx_reset
 250  * Bit 29: xaui_tx_reset
 251  * Bit 30: xg_ingress_afifo_reset
 252  * Bit 31: xg_egress_afifo_reset
 253  */
 254
 255 #define netxen_xg_soft_reset(config_word)       \
 256                 ((config_word) |= 1 << 4)
 257
 258 typedef struct {
 259         unsigned valid;
 260         unsigned start_128M;
 261         unsigned end_128M;
 262         unsigned start_2M;
 263 } crb_128M_2M_sub_block_map_t;
 264
 265 typedef struct {
 266         crb_128M_2M_sub_block_map_t sub_block[16];
 267 } crb_128M_2M_block_map_t;
 268
 269 #endif                          /* __NETXEN_NIC_HW_H_ */