Home | History | Annotate | Line # | Download | only in ixgbe
ixgbe_osdep.c revision 1.2.2.2
      1  1.2.2.2  jdolecek /* $NetBSD: ixgbe_osdep.c,v 1.2.2.2 2017/12/03 11:37:30 jdolecek Exp $ */
      2  1.2.2.2  jdolecek 
      3  1.2.2.2  jdolecek /******************************************************************************
      4  1.2.2.2  jdolecek 
      5  1.2.2.2  jdolecek   Copyright (c) 2001-2017, Intel Corporation
      6  1.2.2.2  jdolecek   All rights reserved.
      7  1.2.2.2  jdolecek 
      8  1.2.2.2  jdolecek   Redistribution and use in source and binary forms, with or without
      9  1.2.2.2  jdolecek   modification, are permitted provided that the following conditions are met:
     10  1.2.2.2  jdolecek 
     11  1.2.2.2  jdolecek    1. Redistributions of source code must retain the above copyright notice,
     12  1.2.2.2  jdolecek       this list of conditions and the following disclaimer.
     13  1.2.2.2  jdolecek 
     14  1.2.2.2  jdolecek    2. Redistributions in binary form must reproduce the above copyright
     15  1.2.2.2  jdolecek       notice, this list of conditions and the following disclaimer in the
     16  1.2.2.2  jdolecek       documentation and/or other materials provided with the distribution.
     17  1.2.2.2  jdolecek 
     18  1.2.2.2  jdolecek    3. Neither the name of the Intel Corporation nor the names of its
     19  1.2.2.2  jdolecek       contributors may be used to endorse or promote products derived from
     20  1.2.2.2  jdolecek       this software without specific prior written permission.
     21  1.2.2.2  jdolecek 
     22  1.2.2.2  jdolecek   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     23  1.2.2.2  jdolecek   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.2.2.2  jdolecek   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.2.2.2  jdolecek   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     26  1.2.2.2  jdolecek   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  1.2.2.2  jdolecek   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  1.2.2.2  jdolecek   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  1.2.2.2  jdolecek   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  1.2.2.2  jdolecek   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  1.2.2.2  jdolecek   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  1.2.2.2  jdolecek   POSSIBILITY OF SUCH DAMAGE.
     33  1.2.2.2  jdolecek 
     34  1.2.2.2  jdolecek ******************************************************************************/
     35  1.2.2.2  jdolecek /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_osdep.c 320688 2017-07-05 17:27:03Z erj $*/
     36  1.2.2.2  jdolecek 
     37  1.2.2.2  jdolecek #include "ixgbe_osdep.h"
     38  1.2.2.2  jdolecek #include "ixgbe.h"
     39  1.2.2.2  jdolecek 
     40  1.2.2.2  jdolecek inline device_t
     41  1.2.2.2  jdolecek ixgbe_dev_from_hw(struct ixgbe_hw *hw)
     42  1.2.2.2  jdolecek {
     43  1.2.2.2  jdolecek 	return ((struct adapter *)hw->back)->dev;
     44  1.2.2.2  jdolecek }
     45  1.2.2.2  jdolecek 
     46  1.2.2.2  jdolecek u16
     47  1.2.2.2  jdolecek ixgbe_read_pci_cfg(struct ixgbe_hw *hw, u32 reg)
     48  1.2.2.2  jdolecek {
     49  1.2.2.2  jdolecek 	pci_chipset_tag_t  pc = hw->back->osdep.pc;
     50  1.2.2.2  jdolecek 	pcitag_t           tag = hw->back->osdep.tag;
     51  1.2.2.2  jdolecek 
     52  1.2.2.2  jdolecek 	switch (reg % 4) {
     53  1.2.2.2  jdolecek 	case 0:
     54  1.2.2.2  jdolecek 		return pci_conf_read(pc, tag, reg) & __BITS(15, 0);
     55  1.2.2.2  jdolecek 	case 2:
     56  1.2.2.2  jdolecek 		return __SHIFTOUT(pci_conf_read(pc, tag, reg - 2),
     57  1.2.2.2  jdolecek 		    __BITS(31, 16));
     58  1.2.2.2  jdolecek 	default:
     59  1.2.2.2  jdolecek 		panic("%s: invalid register (%" PRIx32, __func__, reg);
     60  1.2.2.2  jdolecek 		break;
     61  1.2.2.2  jdolecek 	}
     62  1.2.2.2  jdolecek }
     63  1.2.2.2  jdolecek 
     64  1.2.2.2  jdolecek void
     65  1.2.2.2  jdolecek ixgbe_write_pci_cfg(struct ixgbe_hw *hw, u32 reg, u16 value)
     66  1.2.2.2  jdolecek {
     67  1.2.2.2  jdolecek 	pci_chipset_tag_t  pc = hw->back->osdep.pc;
     68  1.2.2.2  jdolecek 	pcitag_t           tag = hw->back->osdep.tag;
     69  1.2.2.2  jdolecek 	pcireg_t old;
     70  1.2.2.2  jdolecek 
     71  1.2.2.2  jdolecek 	switch (reg % 4) {
     72  1.2.2.2  jdolecek 	case 0:
     73  1.2.2.2  jdolecek 		old = pci_conf_read(pc, tag, reg) & __BITS(31, 16);
     74  1.2.2.2  jdolecek 		pci_conf_write(pc, tag, reg, value | old);
     75  1.2.2.2  jdolecek 		break;
     76  1.2.2.2  jdolecek 	case 2:
     77  1.2.2.2  jdolecek 		old = pci_conf_read(pc, tag, reg - 2) & __BITS(15, 0);
     78  1.2.2.2  jdolecek 		pci_conf_write(pc, tag, reg - 2,
     79  1.2.2.2  jdolecek 		    __SHIFTIN(value, __BITS(31, 16)) | old);
     80  1.2.2.2  jdolecek 		break;
     81  1.2.2.2  jdolecek 	default:
     82  1.2.2.2  jdolecek 		panic("%s: invalid register (%" PRIx32, __func__, reg);
     83  1.2.2.2  jdolecek 		break;
     84  1.2.2.2  jdolecek 	}
     85  1.2.2.2  jdolecek 
     86  1.2.2.2  jdolecek 	return;
     87  1.2.2.2  jdolecek }
     88  1.2.2.2  jdolecek 
     89  1.2.2.2  jdolecek inline u32
     90  1.2.2.2  jdolecek ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg)
     91  1.2.2.2  jdolecek {
     92  1.2.2.2  jdolecek 	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
     93  1.2.2.2  jdolecek 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle, reg);
     94  1.2.2.2  jdolecek }
     95  1.2.2.2  jdolecek 
     96  1.2.2.2  jdolecek inline void
     97  1.2.2.2  jdolecek ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 val)
     98  1.2.2.2  jdolecek {
     99  1.2.2.2  jdolecek 	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
    100  1.2.2.2  jdolecek 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
    101  1.2.2.2  jdolecek 	    reg, val);
    102  1.2.2.2  jdolecek }
    103  1.2.2.2  jdolecek 
    104  1.2.2.2  jdolecek inline u32
    105  1.2.2.2  jdolecek ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset)
    106  1.2.2.2  jdolecek {
    107  1.2.2.2  jdolecek 	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
    108  1.2.2.2  jdolecek 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
    109  1.2.2.2  jdolecek 	    reg + (offset << 2));
    110  1.2.2.2  jdolecek }
    111  1.2.2.2  jdolecek 
    112  1.2.2.2  jdolecek inline void
    113  1.2.2.2  jdolecek ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset, u32 val)
    114  1.2.2.2  jdolecek {
    115  1.2.2.2  jdolecek 	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
    116  1.2.2.2  jdolecek 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
    117  1.2.2.2  jdolecek 	    reg + (offset << 2), val);
    118  1.2.2.2  jdolecek }
    119