freebsd-dev/sys/dev/bhnd/bhnd_match.h
Adrian Chadd 5ad9ac037d [bhnd] Normalize bhnd(4) device matching API
This unifies handling of core, chip, and board-level device
matching, and adds support for matching device drivers
against the bus attach type (e.g. SoC vs WiFi adapter).

Core-level quirks on Broadcom's chipsets generally are specific
to some combination of chip model, core revision, chip
package (e.g. 12x9 SMT package), SROM revision, etc.

Unifying the match APIs for all three attribute types (core, chip,
board/srom) allows defining a single device quirk table that
matches across all of those attributes.

Submitted by:	Landon Fuller <landonf@landonf.org>
Differential Revision:	 https://reviews.freebsd.org/D6515
2016-05-24 21:20:17 +00:00

292 lines
9.2 KiB
C

/*-
* Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
#ifndef _BHND_BHND_MATCH_H_
#define _BHND_BHND_MATCH_H_
#include "bhnd_types.h"
/**
* A hardware revision match descriptor.
*/
struct bhnd_hwrev_match {
uint16_t start; /**< first revision, or BHND_HWREV_INVALID
to match on any revision. */
uint16_t end; /**< last revision, or BHND_HWREV_INVALID
to match on any revision. */
};
/* Copy match field @p _name from @p _src */
#define _BHND_COPY_MATCH_FIELD(_src, _name) \
.m.match._name = (_src)->m.match._name, \
._name = (_src)->_name
/* Set match field @p _name with @p _value */
#define _BHND_SET_MATCH_FIELD(_name, _value) \
.m.match._name = 1, ._name = _value
/**
* Wildcard hardware revision match descriptor.
*/
#define BHND_HWREV_ANY { BHND_HWREV_INVALID, BHND_HWREV_INVALID }
#define BHND_HWREV_IS_ANY(_m) \
((_m)->start == BHND_HWREV_INVALID && (_m)->end == BHND_HWREV_INVALID)
/**
* Hardware revision match descriptor for an inclusive range.
*
* @param _start The first applicable hardware revision.
* @param _end The last applicable hardware revision, or BHND_HWREV_INVALID
* to match on any revision.
*/
#define BHND_HWREV_RANGE(_start, _end) { _start, _end }
/**
* Hardware revision match descriptor for a single revision.
*
* @param _hwrev The hardware revision to match on.
*/
#define BHND_HWREV_EQ(_hwrev) BHND_HWREV_RANGE(_hwrev, _hwrev)
/**
* Hardware revision match descriptor for any revision equal to or greater
* than @p _start.
*
* @param _start The first hardware revision to match on.
*/
#define BHND_HWREV_GTE(_start) BHND_HWREV_RANGE(_start, BHND_HWREV_INVALID)
/**
* Hardware revision match descriptor for any revision equal to or less
* than @p _end.
*
* @param _end The last hardware revision to match on.
*/
#define BHND_HWREV_LTE(_end) BHND_HWREV_RANGE(0, _end)
/**
* A bhnd(4) core match descriptor.
*/
struct bhnd_core_match {
/** Select fields to be matched */
union {
uint8_t match_flags;
struct {
uint8_t
core_vendor:1,
core_id:1,
core_rev:1,
core_class:1,
core_unit:1,
flags_unused:3;
} match;
} m;
uint16_t core_vendor; /**< required JEP106 device vendor */
uint16_t core_id; /**< required core ID */
struct bhnd_hwrev_match core_rev; /**< matching core revisions. */
bhnd_devclass_t core_class; /**< required bhnd class */
int core_unit; /**< required core unit */
};
#define _BHND_CORE_MATCH_COPY(_src) \
_BHND_COPY_MATCH_FIELD(_src, core_vendor), \
_BHND_COPY_MATCH_FIELD(_src, core_id), \
_BHND_COPY_MATCH_FIELD(_src, core_rev), \
_BHND_COPY_MATCH_FIELD(_src, core_class), \
_BHND_COPY_MATCH_FIELD(_src, core_unit) \
#define BHND_MATCH_CORE_VENDOR(_v) _BHND_SET_MATCH_FIELD(core_vendor, _v)
#define BHND_MATCH_CORE_ID(_id) _BHND_SET_MATCH_FIELD(core_id, _id)
#define BHND_MATCH_CORE_REV(_rev) _BHND_SET_MATCH_FIELD(core_rev, \
BHND_ ## _rev)
#define BHND_MATCH_CORE_CLASS(_cls) _BHND_SET_MATCH_FIELD(core_class, _cls)
#define BHND_MATCH_CORE_UNIT(_unit) _BHND_SET_MATCH_FIELD(core_unit, _unit)
/**
* Match against the given @p _vendor and @p _id,
*/
#define BHND_MATCH_CORE(_vendor, _id) \
BHND_MATCH_CORE_VENDOR(_vendor), \
BHND_MATCH_CORE_ID(_id)
/**
* A bhnd(4) chip match descriptor.
*/
struct bhnd_chip_match {
/** Select fields to be matched */
union {
uint8_t match_flags;
struct {
uint8_t
chip_id:1,
chip_rev:1,
chip_pkg:1,
flags_unused:5;
} match;
} m;
uint16_t chip_id; /**< required chip id */
struct bhnd_hwrev_match chip_rev; /**< matching chip revisions */
uint8_t chip_pkg; /**< required package */
};
#define _BHND_CHIP_MATCH_COPY(_src) \
_BHND_COPY_MATCH_FIELD(_src, chip_id), \
_BHND_COPY_MATCH_FIELD(_src, chip_rev), \
_BHND_COPY_MATCH_FIELD(_src, chip_pkg) \
/** Set the required chip ID within a bhnd match descriptor */
#define BHND_CHIP_ID(_cid) _BHND_SET_MATCH_FIELD(chip_id, \
BHND_CHIPID_ ## _cid)
/** Set the required chip revision range within a bhnd match descriptor */
#define BHND_CHIP_REV(_rev) _BHND_SET_MATCH_FIELD(chip_rev, \
BHND_ ## _rev)
/** Set the required package ID within a bhnd match descriptor */
#define BHND_CHIP_PKG(_pkg) _BHND_SET_MATCH_FIELD(chip_pkg, \
BHND_PKGID_ ## _pkg)
/** Set the required chip and package ID within a bhnd match descriptor */
#define BHND_CHIP_IP(_cid, _pkg) \
BHND_CHIP_ID(_cid), BHND_CHIP_PKG(_pkg)
/** Set the required chip ID, package ID, and revision within a bhnd_device_match
* instance */
#define BHND_CHIP_IPR(_cid, _pkg, _rev) \
BHND_CHIP_ID(_cid), BHND_CHIP_PKG(_pkg), BHND_CHIP_REV(_rev)
/** Set the required chip ID and revision within a bhnd_device_match
* instance */
#define BHND_CHIP_IR(_cid, _rev) \
BHND_CHIP_ID(_cid), BHND_CHIP_REV(_rev)
/**
* A bhnd(4) board match descriptor.
*/
struct bhnd_board_match {
/** Select fields to be matched */
union {
uint8_t match_flags;
struct {
uint8_t
board_vendor:1,
board_type:1,
board_rev:1,
board_srom_rev:1,
flags_unused:4;
} match;
} m;
uint16_t board_vendor; /**< required board vendor */
uint16_t board_type; /**< required board type */
struct bhnd_hwrev_match board_rev; /**< matching board revisions */
struct bhnd_hwrev_match board_srom_rev; /**< matching board srom revisions */
};
#define _BHND_BOARD_MATCH_COPY(_src) \
_BHND_COPY_MATCH_FIELD(_src, board_vendor), \
_BHND_COPY_MATCH_FIELD(_src, board_type), \
_BHND_COPY_MATCH_FIELD(_src, board_rev), \
_BHND_COPY_MATCH_FIELD(_src, board_srom_rev)
/** Set the required board vendor within a bhnd match descriptor */
#define BHND_MATCH_BOARD_VENDOR(_v) _BHND_SET_MATCH_FIELD(board_vendor, _v)
/** Set the required board type within a bhnd match descriptor */
#define BHND_MATCH_BOARD_TYPE(_type) _BHND_SET_MATCH_FIELD(board_type, \
BHND_BOARD_ ## _type)
/** Set the required SROM revision range within a bhnd match descriptor */
#define BHND_MATCH_SROMREV(_rev) _BHND_SET_MATCH_FIELD(board_srom_rev, \
BHND_HWREV_ ## _rev)
/** Set the required board revision range within a bhnd match descriptor */
#define BHND_MATCH_BOARD_REV(_rev) _BHND_SET_MATCH_FIELD(board_rev, \
BHND_ ## _rev)
/** Set the required board vendor and type within a bhnd match descriptor */
#define BHND_MATCH_BOARD(_vend, _type) \
BHND_MATCH_BOARD_VENDOR(_vend), BHND_MATCH_BOARD_TYPE(_type)
/**
* A bhnd(4) device match descriptor.
*
* @warning Matching on board attributes relies on NVRAM access, and will
* fail if a valid NVRAM device cannot be found, or is not yet attached.
*/
struct bhnd_device_match {
/** Select fields to be matched */
union {
uint16_t match_flags;
struct {
uint16_t
core_vendor:1,
core_id:1,
core_rev:1,
core_class:1,
core_unit:1,
chip_id:1,
chip_rev:1,
chip_pkg:1,
board_vendor:1,
board_type:1,
board_rev:1,
board_srom_rev:1,
flags_unused:2;
} match;
} m;
uint16_t core_vendor; /**< required JEP106 device vendor */
uint16_t core_id; /**< required core ID */
struct bhnd_hwrev_match core_rev; /**< matching core revisions. */
bhnd_devclass_t core_class; /**< required bhnd class */
int core_unit; /**< required core unit */
uint16_t chip_id; /**< required chip id */
struct bhnd_hwrev_match chip_rev; /**< matching chip revisions */
uint8_t chip_pkg; /**< required package */
uint16_t board_vendor; /**< required board vendor */
uint16_t board_type; /**< required board type */
struct bhnd_hwrev_match board_rev; /**< matching board revisions */
struct bhnd_hwrev_match board_srom_rev; /**< matching board srom revisions */
};
/** Define a wildcard match requirement (matches on any device). */
#define BHND_MATCH_ANY .m.match_flags = 0
#define BHND_MATCH_IS_ANY(_m) \
((_m)->m.match_flags == 0)
#endif /* _BHND_BHND_MATCH_H_ */