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gerrit-public.fairphone.software / kernel / msm-4.19 / 5d5c4c139dd766dff903ba35d72fb3ec90022e91 / . / drivers / mcb / mcb-internal.h
blob: 5254e0285725cc85f36b1a0258b9de41367f8e74 [file] [log] [blame]
Johannes Thumshirn3764e822014-02-26 17:29:05 +0100[diff] [blame]1#ifndef __MCB_INTERNAL
2#define __MCB_INTERNAL
3
4#include <linux/types.h>
5
Johannes Thumshirnb71bb862014-02-26 17:29:06 +0100[diff] [blame]6#define PCI_VENDOR_ID_MEN 0x1a88
7#define PCI_DEVICE_ID_MEN_CHAMELEON 0x4d45
Johannes Thumshirn3764e822014-02-26 17:29:05 +0100[diff] [blame]8#define CHAMELEONV2_MAGIC 0xabce
Johannes Thumshirn7b7c5492014-12-16 10:09:20 +0100[diff] [blame]9#define CHAM_HEADER_SIZE 0x200
Johannes Thumshirn3764e822014-02-26 17:29:05 +0100[diff] [blame]10
11enum chameleon_descriptor_type {
12 CHAMELEON_DTYPE_GENERAL = 0x0,
13 CHAMELEON_DTYPE_BRIDGE = 0x1,
14 CHAMELEON_DTYPE_CPU = 0x2,
15 CHAMELEON_DTYPE_BAR = 0x3,
16 CHAMELEON_DTYPE_END = 0xf,
17};
18
19enum chameleon_bus_type {
20 CHAMELEON_BUS_WISHBONE,
21 CHAMELEON_BUS_AVALON,
22 CHAMELEON_BUS_LPC,
23 CHAMELEON_BUS_ISA,
24};
25
26/**
27 * struct chameleon_fpga_header
28 *
29 * @revision: Revison of Chameleon table in FPGA
30 * @model: Chameleon table model ASCII char
31 * @minor: Revision minor
32 * @bus_type: Bus type (usually %CHAMELEON_BUS_WISHBONE)
33 * @magic: Chameleon header magic number (0xabce for version 2)
34 * @reserved: Reserved
35 * @filename: Filename of FPGA bitstream
36 */
37struct chameleon_fpga_header {
38 u8 revision;
39 char model;
40 u8 minor;
41 u8 bus_type;
42 u16 magic;
43 u16 reserved;
44 /* This one has no '\0' at the end!!! */
45 char filename[CHAMELEON_FILENAME_LEN];
46} __packed;
47#define HEADER_MAGIC_OFFSET 0x4
48
49/**
50 * struct chameleon_gdd - Chameleon General Device Descriptor
51 *
52 * @irq: the position in the FPGA's IRQ controller vector
53 * @rev: the revision of the variant's implementation
54 * @var: the variant of the IP core
55 * @dev: the device the IP core is
56 * @dtype: device descriptor type
57 * @bar: BAR offset that must be added to module offset
58 * @inst: the instance number of the device, 0 is first instance
59 * @group: the group the device belongs to (0 = no group)
60 * @reserved: reserved
61 * @offset: beginning of the address window of desired module
62 * @size: size of the module's address window
63 */
64struct chameleon_gdd {
65 __le32 reg1;
66 __le32 reg2;
67 __le32 offset;
68 __le32 size;
69
70} __packed;
71
72/* GDD Register 1 fields */
73#define GDD_IRQ(x) ((x) & 0x1f)
74#define GDD_REV(x) (((x) >> 5) & 0x3f)
75#define GDD_VAR(x) (((x) >> 11) & 0x3f)
76#define GDD_DEV(x) (((x) >> 18) & 0x3ff)
77#define GDD_DTY(x) (((x) >> 28) & 0xf)
78
79/* GDD Register 2 fields */
80#define GDD_BAR(x) ((x) & 0x7)
81#define GDD_INS(x) (((x) >> 3) & 0x3f)
82#define GDD_GRP(x) (((x) >> 9) & 0x3f)
83
84/**
85 * struct chameleon_bdd - Chameleon Bridge Device Descriptor
86 *
87 * @irq: the position in the FPGA's IRQ controller vector
88 * @rev: the revision of the variant's implementation
89 * @var: the variant of the IP core
90 * @dev: the device the IP core is
91 * @dtype: device descriptor type
92 * @bar: BAR offset that must be added to module offset
93 * @inst: the instance number of the device, 0 is first instance
94 * @dbar: destination bar from the bus _behind_ the bridge
95 * @chamoff: offset within the BAR of the source bus
96 * @offset:
97 * @size:
98 */
99struct chameleon_bdd {
100 unsigned int irq:6;
101 unsigned int rev:6;
102 unsigned int var:6;
103 unsigned int dev:10;
104 unsigned int dtype:4;
105 unsigned int bar:3;
106 unsigned int inst:6;
107 unsigned int dbar:3;
108 unsigned int group:6;
109 unsigned int reserved:14;
110 u32 chamoff;
111 u32 offset;
112 u32 size;
113} __packed;
114
115int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
116 void __iomem *base);
117
118#endif