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_chipcommon(struct brcmf_chip *chip); 78 struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub); 79 bool brcmf_chip_iscoreup(struct brcmf_core *core); 80 void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset); 81 void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset, 82 u32 postreset); 83 void brcmf_chip_set_passive(struct brcmf_chip *ci); 84 bool brcmf_chip_set_active(struct brcmf_chip *ci, u32 rstvec); 85 bool brcmf_chip_sr_capable(struct brcmf_chip *pub); 86 char *brcmf_chip_name(u32 chipid, u32 chiprev, char *buf, uint len); 87 88 #endif /* BRCMF_AXIDMP_H */ 89