2 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 * redistribution must be conditioned upon including a substantially
14 * similar Disclaimer requirement for further binary redistribution.
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32 #ifndef _BHND_NVRAM_BHND_SPROMVAR_H_
33 #define _BHND_NVRAM_BHND_SPROMVAR_H_
35 #include <dev/bhnd/bhnd.h>
37 DECLARE_CLASS(bhnd_sprom_driver);
40 int bhnd_sprom_probe(device_t dev);
41 int bhnd_sprom_attach(device_t dev);
42 int bhnd_sprom_resume(device_t dev);
43 int bhnd_sprom_suspend(device_t dev);
44 int bhnd_sprom_detach(device_t dev);
46 int bhnd_sprom_init(struct bhnd_sprom *sprom, struct bhnd_resource *r,
48 void bhnd_sprom_fini(struct bhnd_sprom *sprom);
49 int bhnd_sprom_getvar(struct bhnd_sprom *sc, const char *name, void *buf,
51 int bhnd_sprom_setvar(struct bhnd_sprom *sc, const char *name,
52 const void *buf, size_t len);
55 * bhnd sprom parser instance state.
58 device_t dev; /**< sprom parent device */
60 uint8_t sp_rev; /**< sprom revision */
62 struct bhnd_resource *sp_res; /**< sprom resource. */
63 bus_size_t sp_res_off; /**< offset to sprom image */
65 uint8_t *sp_shadow; /**< sprom shadow */
66 bus_size_t sp_size_max; /**< maximum possible sprom length */
67 size_t sp_size; /**< shadow size */
68 size_t sp_capacity; /**< shadow buffer capacity */
73 * bhnd_sprom driver instance state. Must be first member of all subclass
76 struct bhnd_sprom_softc {
78 struct bhnd_resource *sprom_res; /**< SPROM resource */
79 int sprom_rid; /**< SPROM RID */
80 struct bhnd_sprom shadow; /**< SPROM shadow */
81 struct mtx mtx; /**< SPROM shadow mutex */
84 #endif /* _BHND_NVRAM_BHND_SPROMVAR_H_ */