1 /* SPDX-License-Identifier: GPL-2.0-or-later */
24  * 'long long' (64-bit integer) support.
33     *  for chip features only present in certain chip revisions.
35     *  SIBYTE_HDR_FEATURES may be defined to be the mask value chip/revision
43     *		Generate defines only for that revision of chip.
45     *	 #if SIBYTE_HDR_FEATURE(chip,pass)
48     *		that particular chip type are enabled in SIBYTE_HDR_FEATURES.
52     *		Note that there is no implied ordering between chip types.
54     *		Note also that 'chip' and 'pass' must textually exactly
59     *	 #if SIBYTE_HDR_FEATURE_UP_TO(chip,pass)
62     *		and earlier revisions of the named chip type.
64     *	 #if SIBYTE_HDR_FEATURE_EXACT(chip,pass)
67     *		revision of the named chip type.  (Note that this CANNOT
69     *		particular chip/revision.  It will be true any time this
70     *		chip/revision is included in SIBYTE_HDR_FEATURES.)
72     *	 #if SIBYTE_HDR_FEATURE_CHIP(chip)
74     *		True if header features for (any revision of) that chip type
76     *		#defines for features specific to a given chip type.)
79     *  chip type, but can be renumbered at will.  Note that they MUST fit
81     *  CPP conditionals.  Bit positions within chip types DO indicate
97 /* Bit mask for chip/revision.	(use _ALL for all revisions of a chip).	 */
98 #define SIBYTE_HDR_FMASK(chip, pass)					\  argument
99     (SIBYTE_HDR_FMASK_ ## chip ## _ ## pass)
100 #define SIBYTE_HDR_FMASK_ALLREVS(chip)					\  argument
101     (SIBYTE_HDR_FMASK_ ## chip ## _ALL)
120 /* Bit mask for revisions of chip exclusively before the named revision.  */
121 #define SIBYTE_HDR_FMASK_BEFORE(chip, pass)				\  argument
122     ((SIBYTE_HDR_FMASK(chip, pass) - 1) & SIBYTE_HDR_FMASK_ALLREVS(chip))
124 /* Bit mask for revisions of chip exclusively after the named revision.	 */
125 #define SIBYTE_HDR_FMASK_AFTER(chip, pass)				\  argument
126     (~(SIBYTE_HDR_FMASK(chip, pass)					\
127      | (SIBYTE_HDR_FMASK(chip, pass) - 1)) & SIBYTE_HDR_FMASK_ALLREVS(chip))
130 /* True if header features enabled for (any revision of) that chip type.  */
131 #define SIBYTE_HDR_FEATURE_CHIP(chip)					\  argument
132     (!! (SIBYTE_HDR_FMASK_ALLREVS(chip) & SIBYTE_HDR_FEATURES))
141 #define SIBYTE_HDR_FEATURE(chip, pass)					\  argument
142     (!! ((SIBYTE_HDR_FMASK(chip, pass)					\
143 	  | SIBYTE_HDR_FMASK_AFTER(chip, pass)) & SIBYTE_HDR_FEATURES))
146 #define SIBYTE_HDR_FEATURE_EXACT(chip, pass)				\  argument
147     (!! (SIBYTE_HDR_FMASK(chip, pass) & SIBYTE_HDR_FEATURES))
150 #define SIBYTE_HDR_FEATURE_UP_TO(chip, pass)				\  argument
151     (!! ((SIBYTE_HDR_FMASK(chip, pass)					\
152 	 | SIBYTE_HDR_FMASK_BEFORE(chip, pass)) & SIBYTE_HDR_FEATURES))
159     *		       For multi-bit fields, all bits in the field will
162     *  K_xxx	       "Code" constant (value for data in a multi-bit
178     *  R_xxx	       RELATIVE offset constant.  This is an offset from
182     *  G_xxx(X)	       GET value.  This macro obtains a multi-bit field
196  * Cast to 64-bit number.  Presumably the syntax is different in
222 #define _SB_MAKEMASK(v, n) (_SB_MAKE64((_SB_MAKE64(1)<<(v))-1) << _SB_MAKE64(n))
223 #define _SB_MAKEMASK_32(v, n) (_SB_MAKE32((_SB_MAKE32(1)<<(v))-1) << _SB_MAKE32(n))
236  * Macros to read/write on-chip registers