1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2014 Broadcom Corporation
4  */
5 #ifndef BRCMF_CHIP_H
6 #define BRCMF_CHIP_H
7 
8 #include <linux/types.h>
9 
10 #define CORE_CC_REG(base, field) \
11 		(base + offsetof(struct chipcregs, field))
12 
13 /**
14  * struct brcmf_chip - chip level information.
15  *
16  * @chip: chip identifier.
17  * @chiprev: chip revision.
18  * @cc_caps: chipcommon core capabilities.
19  * @cc_caps_ext: chipcommon core extended capabilities.
20  * @pmucaps: PMU capabilities.
21  * @pmurev: PMU revision.
22  * @rambase: RAM base address (only applicable for ARM CR4 chips).
23  * @ramsize: amount of RAM on chip including retention.
24  * @srsize: amount of retention RAM on chip.
25  * @name: string representation of the chip identifier.
26  */
27 struct brcmf_chip {
28 	u32 chip;
29 	u32 chiprev;
30 	u32 cc_caps;
31 	u32 cc_caps_ext;
32 	u32 pmucaps;
33 	u32 pmurev;
34 	u32 rambase;
35 	u32 ramsize;
36 	u32 srsize;
37 	char name[12];
38 };
39 
40 /**
41  * struct brcmf_core - core related information.
42  *
43  * @id: core identifier.
44  * @rev: core revision.
45  * @base: base address of core register space.
46  */
47 struct brcmf_core {
48 	u16 id;
49 	u16 rev;
50 	u32 base;
51 };
52 
53 /**
54  * struct brcmf_buscore_ops - buscore specific callbacks.
55  *
56  * @read32: read 32-bit value over bus.
57  * @write32: write 32-bit value over bus.
58  * @prepare: prepare bus for core configuration.
59  * @setup: bus-specific core setup.
60  * @active: chip becomes active.
61  *	The callback should use the provided @rstvec when non-zero.
62  */
63 struct brcmf_buscore_ops {
64 	u32 (*read32)(void *ctx, u32 addr);
65 	void (*write32)(void *ctx, u32 addr, u32 value);
66 	int (*prepare)(void *ctx);
67 	int (*reset)(void *ctx, struct brcmf_chip *chip);
68 	int (*setup)(void *ctx, struct brcmf_chip *chip);
69 	void (*activate)(void *ctx, struct brcmf_chip *chip, u32 rstvec);
70 };
71 
72 int brcmf_chip_get_raminfo(struct brcmf_chip *pub);
73 struct brcmf_chip *brcmf_chip_attach(void *ctx,
74 				     const struct brcmf_buscore_ops *ops);
75 void brcmf_chip_detach(struct brcmf_chip *chip);
76 struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid);
77 struct brcmf_core *brcmf_chip_get_d11core(struct brcmf_chip *pub, u8 unit);
78 struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip);
79 struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub);
80 bool brcmf_chip_iscoreup(struct brcmf_core *core);
81 void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset);
82 void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset,
83 			  u32 postreset);
84 void brcmf_chip_set_passive(struct brcmf_chip *ci);
85 bool brcmf_chip_set_active(struct brcmf_chip *ci, u32 rstvec);
86 bool brcmf_chip_sr_capable(struct brcmf_chip *pub);
87 char *brcmf_chip_name(u32 chipid, u32 chiprev, char *buf, uint len);
88 
89 #endif /* BRCMF_AXIDMP_H */
90