xref: /openbmc/u-boot/drivers/misc/ihs_fpga.h (revision 1d6edcbf)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2018
4  * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
5  */
6 
7 /**
8  * struct ihs_fpga_regs - IHS FPGA register map structure
9  * @reflection_low:	  Lower reflection register
10  * @versions:		  PCB versions register
11  * @fpga_version:	  FPGA versions register
12  * @features:		  FPGA features register
13  * @extended_features:	  FPGA extended features register
14  * @top_interrupt:	  Top interrupt register
15  * @top_interrupt_enable: Top interrupt enable register
16  * @status:		  FPGA status register
17  * @control:		  FPGA control register
18  * @extended_control:	  FPGA extended control register
19  */
20 struct ihs_fpga_regs {
21 	u16 reflection_low;
22 	u16 versions;
23 	u16 fpga_version;
24 	u16 features;
25 	u16 extended_features;
26 	u16 top_interrupt;
27 	u16 top_interrupt_enable;
28 	u16 status;
29 	u16 control;
30 	u16 extended_control;
31 };
32 
33 /**
34  * ihs_fpga_set() - Convenience macro to set values in FPGA register map
35  * @map:    Register map to set a value in
36  * @member: Name of member (described by ihs_fpga_regs) to set
37  * @val:    Value to set the member to
38  */
39 #define ihs_fpga_set(map, member, val) \
40 	regmap_set(map, struct ihs_fpga_regs, member, val)
41 
42 /**
43  * ihs_fpga_get() - Convenience macro to get values from FPGA register map
44  * @map:    Register map to read value from
45  * @member: Name of member (described by ihs_fpga_regs) to get
46  * @valp:   Pointe to variable to receive the value read
47  */
48 #define ihs_fpga_get(map, member, valp) \
49 	regmap_get(map, struct ihs_fpga_regs, member, valp)
50