xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /******************************************************************************
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3   Copyright (c) 2001-2015, Intel Corporation
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #include "ixgbe_osdep.h"
36 #include "ixgbe.h"
37 
38 inline device_t
39 ixgbe_dev_from_hw(struct ixgbe_hw *hw)
40 {
41 	return ((struct adapter *)hw->back)->dev;
42 }
43 
44 inline u16
45 ixgbe_read_pci_cfg(struct ixgbe_hw *hw, u32 reg)
46 {
47 	return pci_read_config(((struct adapter *)hw->back)->dev,
48 	    reg, 2);
49 }
50 
51 inline void
52 ixgbe_write_pci_cfg(struct ixgbe_hw *hw, u32 reg, u16 value)
53 {
54 	pci_write_config(((struct adapter *)hw->back)->dev,
55 	    reg, value, 2);
56 }
57 
58 inline u32
59 ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg)
60 {
61 	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
62 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
63 	    reg);
64 }
65 
66 inline void
67 ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 val)
68 {
69 	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
70 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
71 	    reg, val);
72 }
73 
74 inline u32
75 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset)
76 {
77 	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
78 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
79 	    reg + (offset << 2));
80 }
81 
82 inline void
83 ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset, u32 val)
84 {
85 	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
86 	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
87 	    reg + (offset << 2), val);
88 }
89