/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
* Copyright (c) 2017 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Landon Fuller
* under sponsorship from the FreeBSD Foundation.
*
* 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_H_
#define _BHND_BHND_H_
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h>
#include "bhnd_ids.h"
#include "bhnd_types.h"
#include "bhnd_erom_types.h"
#include "bhnd_debug.h"
#include "bhnd_bus_if.h"
#include "bhnd_match.h"
#include "nvram/bhnd_nvram.h"
extern devclass_t bhnd_devclass;
extern devclass_t bhnd_hostb_devclass;
extern devclass_t bhnd_nvram_devclass;
#define BHND_CHIPID_MAX_NAMELEN 32 /**< maximum buffer required for a
bhnd_format_chip_id() */
/**
* bhnd child instance variables
*/
enum bhnd_device_vars {
BHND_IVAR_VENDOR, /**< Designer's JEP-106 manufacturer ID. */
BHND_IVAR_DEVICE, /**< Part number */
BHND_IVAR_HWREV, /**< Core revision */
BHND_IVAR_DEVICE_CLASS, /**< Core class (@sa bhnd_devclass_t) */
BHND_IVAR_VENDOR_NAME, /**< Core vendor name */
BHND_IVAR_DEVICE_NAME, /**< Core name */
BHND_IVAR_CORE_INDEX, /**< Bus-assigned core number */
BHND_IVAR_CORE_UNIT, /**< Bus-assigned core unit number,
assigned sequentially (starting at 0) for
each vendor/device pair. */
BHND_IVAR_PMU_INFO, /**< Internal bus-managed PMU state */
};
/**
* bhnd device probe priority bands.
*/
enum {
BHND_PROBE_ROOT = 0, /**< Nexus or host bridge */
BHND_PROBE_BUS = 1000, /**< Buses and bridges */
BHND_PROBE_CPU = 2000, /**< CPU devices */
BHND_PROBE_INTERRUPT = 3000, /**< Interrupt controllers. */
BHND_PROBE_TIMER = 4000, /**< Timers and clocks. */
BHND_PROBE_RESOURCE = 5000, /**< Resource discovery (including NVRAM/SPROM) */
BHND_PROBE_DEFAULT = 6000, /**< Default device priority */
};
/**
* Constants defining fine grained ordering within a BHND_PROBE_* priority band.
*
* Example:
* @code
* BHND_PROBE_BUS + BHND_PROBE_ORDER_FIRST
* @endcode
*/
enum {
BHND_PROBE_ORDER_FIRST = 0,
BHND_PROBE_ORDER_EARLY = 25,
BHND_PROBE_ORDER_MIDDLE = 50,
BHND_PROBE_ORDER_LATE = 75,
BHND_PROBE_ORDER_LAST = 100
};
/**
* Per-core IOCTL flags common to all bhnd(4) cores.
*/
enum {
BHND_IOCTL_BIST = 0x8000, /**< Initiate a built-in self-test (BIST). Must be cleared
after BIST results are read via BHND_IOST_BIST_* */
BHND_IOCTL_PME = 0x4000, /**< Enable posting of power management events by the core. */
BHND_IOCTL_CFLAGS = 0x3FFC, /**< Reserved for core-specific ioctl flags. */
BHND_IOCTL_CLK_FORCE = 0x0002, /**< Force disable of clock gating, resulting in all clocks
being distributed within the core. Should be set when
asserting/deasserting reset to ensure the reset signal
fully propagates to the entire core. */
BHND_IOCTL_CLK_EN = 0x0001, /**< If cleared, the core clock will be disabled. Should be
set during normal operation, and cleared when the core is
held in reset. */
};
/**
* Per-core IOST flags common to all bhnd(4) cores.
*/
enum {
BHND_IOST_BIST_DONE = 0x8000, /**< Set upon BIST completion (see BHND_IOCTL_BIST), and cleared
if 0 is written to BHND_IOCTL_BIST. */
BHND_IOST_BIST_FAIL = 0x4000, /**< Set upon detection of a BIST error; the value is unspecified
if BIST has not completed and BHND_IOST_BIST_DONE is not set. */
BHND_IOST_CLK = 0x2000, /**< Set if the core has requested that gated clocks be enabled, or
cleared otherwise. The value is undefined if a core does not
support clock gating. */
BHND_IOST_DMA64 = 0x1000, /**< Set if this core supports 64-bit DMA */
BHND_IOST_CFLAGS = 0x0FFC, /**< Reserved for core-specific status flags. */
};
/*
* Simplified accessors for bhnd device ivars
*/
#define BHND_ACCESSOR(var, ivar, type) \
__BUS_ACCESSOR(bhnd, var, BHND, ivar, type)
BHND_ACCESSOR(vendor, VENDOR, uint16_t);
BHND_ACCESSOR(device, DEVICE, uint16_t);
BHND_ACCESSOR(hwrev, HWREV, uint8_t);
BHND_ACCESSOR(class, DEVICE_CLASS, bhnd_devclass_t);
BHND_ACCESSOR(vendor_name, VENDOR_NAME, const char *);
BHND_ACCESSOR(device_name, DEVICE_NAME, const char *);
BHND_ACCESSOR(core_index, CORE_INDEX, u_int);
BHND_ACCESSOR(core_unit, CORE_UNIT, int);
BHND_ACCESSOR(pmu_info, PMU_INFO, void *);
#undef BHND_ACCESSOR
/**
* A bhnd(4) board descriptor.
*/
struct bhnd_board_info {
uint16_t board_vendor; /**< Board vendor (PCI-SIG vendor ID).
*
* On PCI devices, this will default to
* the PCI subsystem vendor ID, but may
* be overridden by the 'boardtype'
* NVRAM variable.
*
* On SoCs, this will default to
* PCI_VENDOR_BROADCOM, but may be
* overridden by the 'boardvendor'
* NVRAM variable.
*/
uint16_t board_type; /**< Board type (See BHND_BOARD_*)
*
* This value is usually a
* Broadcom-assigned reference board
* identifier (see BHND_BOARD_*), but
* may be set to an arbitrary value
* assigned by the board vendor.
*
* On PCI devices, this will default
* to the PCI subsystem ID, but may be
* overridden by the 'boardtype'
* NVRAM variable.
*
* On SoCs, this will always be
* populated with the value of the
* 'boardtype' NVRAM variable.
*/
uint16_t board_devid; /**< Board device ID.
*
* On PCI devices, this will default
* to the PCI device ID, but may
* be overridden by the 'devid'
* NVRAM variable.
*/
uint16_t board_rev; /**< Board revision. */
uint8_t board_srom_rev; /**< Board SROM format revision */
uint32_t board_flags; /**< Board flags (see BHND_BFL_*) */
uint32_t board_flags2; /**< Board flags 2 (see BHND_BFL2_*) */
uint32_t board_flags3; /**< Board flags 3 (see BHND_BFL3_*) */
};
/**
* Chip Identification
*
* This is read from the ChipCommon ID register; on earlier bhnd(4) devices
* where ChipCommon is unavailable, known values must be supplied.
*/
struct bhnd_chipid {
uint16_t chip_id; /**< chip id (BHND_CHIPID_*) */
uint8_t chip_rev; /**< chip revision */
uint8_t chip_pkg; /**< chip package (BHND_PKGID_*) */
uint8_t chip_type; /**< chip type (BHND_CHIPTYPE_*) */
uint32_t chip_caps; /**< chip capabilities (BHND_CAP_*) */
bhnd_addr_t enum_addr; /**< chip_type-specific enumeration
* address; either the siba(4) base
* core register block, or the bcma(4)
* EROM core address. */
uint8_t ncores; /**< number of cores, if known. 0 if
* not available. */
};
/**
* Chip capabilities
*/
enum bhnd_cap {
BHND_CAP_BP64 = (1<<0), /**< Backplane supports 64-bit
* addressing */
BHND_CAP_PMU = (1<<1), /**< PMU is present */
};
/**
* A bhnd(4) core descriptor.
*/
struct bhnd_core_info {
uint16_t vendor; /**< JEP-106 vendor (BHND_MFGID_*) */
uint16_t device; /**< device */
uint16_t hwrev; /**< hardware revision */
u_int core_idx; /**< bus-assigned core index */
int unit; /**< bus-assigned core unit */
};
/**
* bhnd(4) DMA address widths.
*/
typedef enum {
BHND_DMA_ADDR_30BIT = 30, /**< 30-bit DMA */
BHND_DMA_ADDR_32BIT = 32, /**< 32-bit DMA */
BHND_DMA_ADDR_64BIT = 64, /**< 64-bit DMA */
} bhnd_dma_addrwidth;
/**
* Convert an address width (in bits) to its corresponding mask.
*/
#define BHND_DMA_ADDR_BITMASK(_width) \
((_width >= 64) ? ~0ULL : \
(_width == 0) ? 0x0 : \
((1ULL << (_width)) - 1)) \
/**
* bhnd(4) DMA address translation descriptor.
*/
struct bhnd_dma_translation {
/**
* Host-to-device physical address translation.
*
* This may be added to the host physical address to produce a device
* DMA address.
*/
bhnd_addr_t base_addr;
/**
* Device-addressable address mask.
*
* This defines the device's DMA address range, excluding any bits
* reserved for mapping the address to the base_addr.
*/
bhnd_addr_t addr_mask;
/**
* Device-addressable extended address mask.
*
* If a per-core bhnd(4) DMA engine supports the 'addrext' control
* field, it can be used to provide address bits excluded by addr_mask.
*
* Support for DMA extended address changes – including coordination
* with the core providing DMA translation – is handled transparently by
* the DMA engine. For example, on PCI(e) Wi-Fi chipsets, the Wi-Fi
* core DMA engine will (in effect) update the PCI core's DMA
* sbtopcitranslation base address to map the full address prior to
* performing a DMA transaction.
*/
bhnd_addr_t addrext_mask;
/**
* Translation flags (see bhnd_dma_translation_flags).
*/
uint32_t flags;
};
#define BHND_DMA_TRANSLATION_TABLE_END { 0, 0, 0, 0 }
#define BHND_DMA_IS_TRANSLATION_TABLE_END(_dt) \
((_dt)->base_addr == 0 && (_dt)->addr_mask == 0 && \
(_dt)->addrext_mask == 0 && (_dt)->flags == 0)
/**
* bhnd(4) DMA address translation flags.
*/
enum bhnd_dma_translation_flags {
/**
* The translation remaps the device's physical address space.
*
* This is used in conjunction with BHND_DMA_TRANSLATION_BYTESWAPPED to
* define a DMA translation that provides byteswapped access to
* physical memory on big-endian MIPS SoCs.
*/
BHND_DMA_TRANSLATION_PHYSMAP = (1<<0),
/**
* Provides a byte-swapped mapping; write requests will be byte-swapped
* before being written to memory, and read requests will be
* byte-swapped before being returned.
*
* This is primarily used to perform efficient byte swapping of DMA
* data on embedded MIPS SoCs executing in big-endian mode.
*/
BHND_DMA_TRANSLATION_BYTESWAPPED = (1<<1),
};
/**
* A bhnd(4) bus resource.
*
* This provides an abstract interface to per-core resources that may require
* bus-level remapping of address windows prior to access.
*/
struct bhnd_resource {
struct resource *res; /**< the system resource. */
bool direct; /**< false if the resource requires
* bus window remapping before it
* is MMIO accessible. */
};
/** Wrap the active resource @p _r in a bhnd_resource structure */
#define BHND_DIRECT_RESOURCE(_r) ((struct bhnd_resource) { \
.res = (_r), \
.direct = true, \
})
/**
* Device quirk table descriptor.
*/
struct bhnd_device_quirk {
struct bhnd_device_match desc; /**< device match descriptor */
uint32_t quirks; /**< quirk flags */
};
#define BHND_CORE_QUIRK(_rev, _flags) \
{{ BHND_MATCH_CORE_REV(_rev) }, (_flags) }
#define BHND_CHIP_QUIRK(_chip, _rev, _flags) \
{{ BHND_MATCH_CHIP_IR(BCM ## _chip, _rev) }, (_flags) }
#define BHND_PKG_QUIRK(_chip, _pkg, _flags) \
{{ BHND_MATCH_CHIP_IP(BCM ## _chip, BCM ## _chip ## _pkg) }, (_flags) }
#define BHND_BOARD_QUIRK(_board, _flags) \
{{ BHND_MATCH_BOARD_TYPE(_board) }, \
(_flags) }
#define BHND_DEVICE_QUIRK_END { { BHND_MATCH_ANY }, 0 }
#define BHND_DEVICE_QUIRK_IS_END(_q) \
(((_q)->desc.m.match_flags == 0) && (_q)->quirks == 0)
enum {
BHND_DF_ANY = 0,
BHND_DF_HOSTB = (1<<0), /**< core is serving as the bus' host
* bridge. implies BHND_DF_ADAPTER */
BHND_DF_SOC = (1<<1), /**< core is attached to a native
bus (BHND_ATTACH_NATIVE) */
BHND_DF_ADAPTER = (1<<2), /**< core is attached to a bridged
* adapter (BHND_ATTACH_ADAPTER) */
};
/** Device probe table descriptor */
struct bhnd_device {
const struct bhnd_device_match core; /**< core match descriptor */
const char *desc; /**< device description, or NULL. */
const struct bhnd_device_quirk *quirks_table; /**< quirks table for this device, or NULL */
uint32_t device_flags; /**< required BHND_DF_* flags */
};
#define _BHND_DEVICE(_vendor, _device, _desc, _quirks, \
_flags, ...) \
{ { BHND_MATCH_CORE(BHND_MFGID_ ## _vendor, \
BHND_COREID_ ## _device) }, _desc, _quirks, \
_flags }
#define BHND_DEVICE(_vendor, _device, _desc, _quirks, ...) \
_BHND_DEVICE(_vendor, _device, _desc, _quirks, \
## __VA_ARGS__, 0)
#define BHND_DEVICE_END { { BHND_MATCH_ANY }, NULL, NULL, 0 }
#define BHND_DEVICE_IS_END(_d) \
(BHND_MATCH_IS_ANY(&(_d)->core) && (_d)->desc == NULL)
/**
* bhnd device sort order.
*/
typedef enum {
BHND_DEVICE_ORDER_ATTACH, /**< sort by bhnd(4) device attach order;
child devices should be probed/attached
in this order */
BHND_DEVICE_ORDER_DETACH, /**< sort by bhnd(4) device detach order;
child devices should be detached, suspended,
and shutdown in this order */
} bhnd_device_order;
/**
* A registry of bhnd service providers.
*/
struct bhnd_service_registry {
STAILQ_HEAD(,bhnd_service_entry) entries; /**< registered services */
struct mtx lock; /**< state lock */
};
/**
* bhnd service provider flags.
*/
enum {
BHND_SPF_INHERITED = (1<<0), /**< service provider reference was inherited from
a parent bus, and should be deregistered when the
last active reference is released */
};
const char *bhnd_vendor_name(uint16_t vendor);
const char *bhnd_port_type_name(bhnd_port_type port_type);
const char *bhnd_nvram_src_name(bhnd_nvram_src nvram_src);
const char *bhnd_find_core_name(uint16_t vendor,
uint16_t device);
bhnd_devclass_t bhnd_find_core_class(uint16_t vendor,
uint16_t device);
const char *bhnd_core_name(const struct bhnd_core_info *ci);
bhnd_devclass_t bhnd_core_class(const struct bhnd_core_info *ci);
int bhnd_format_chip_id(char *buffer, size_t size,
uint16_t chip_id);
device_t bhnd_bus_match_child(device_t bus,
const struct bhnd_core_match *desc);
device_t bhnd_bus_find_child(device_t bus,
bhnd_devclass_t class, int unit);
int bhnd_bus_get_children(device_t bus,
device_t **devlistp, int *devcountp,
bhnd_device_order order);
void bhnd_bus_free_children(device_t *devlist);
int bhnd_bus_probe_children(device_t bus);
int bhnd_sort_devices(device_t *devlist,
size_t devcount, bhnd_device_order order);
device_t bhnd_find_bridge_root(device_t dev,
devclass_t bus_class);
const struct bhnd_core_info *bhnd_match_core(
const struct bhnd_core_info *cores,
u_int num_cores,
const struct bhnd_core_match *desc);
const struct bhnd_core_info *bhnd_find_core(
const struct bhnd_core_info *cores,
u_int num_cores, bhnd_devclass_t class);
struct bhnd_core_match bhnd_core_get_match_desc(
const struct bhnd_core_info *core);
bool bhnd_cores_equal(
const struct bhnd_core_info *lhs,
const struct bhnd_core_info *rhs);
bool bhnd_core_matches(
const struct bhnd_core_info *core,
const struct bhnd_core_match *desc);
bool bhnd_chip_matches(
const struct bhnd_chipid *chipid,
const struct bhnd_chip_match *desc);
bool bhnd_board_matches(
const struct bhnd_board_info *info,
const struct bhnd_board_match *desc);
bool bhnd_hwrev_matches(uint16_t hwrev,
const struct bhnd_hwrev_match *desc);
bool bhnd_device_matches(device_t dev,
const struct bhnd_device_match *desc);
const struct bhnd_device *bhnd_device_lookup(device_t dev,
const struct bhnd_device *table,
size_t entry_size);
uint32_t bhnd_device_quirks(device_t dev,
const struct bhnd_device *table,
size_t entry_size);
struct bhnd_core_info bhnd_get_core_info(device_t dev);
int bhnd_alloc_resources(device_t dev,
struct resource_spec *rs,
struct bhnd_resource **res);
void bhnd_release_resources(device_t dev,
const struct resource_spec *rs,
struct bhnd_resource **res);
void bhnd_set_custom_core_desc(device_t dev,
const char *name);
void bhnd_set_default_core_desc(device_t dev);
void bhnd_set_default_bus_desc(device_t dev,
const struct bhnd_chipid *chip_id);
int bhnd_nvram_getvar_str(device_t dev,
const char *name, char *buf, size_t len,
size_t *rlen);
int bhnd_nvram_getvar_uint(device_t dev,
const char *name, void *value, int width);
int bhnd_nvram_getvar_uint8(device_t dev,
const char *name, uint8_t *value);
int bhnd_nvram_getvar_uint16(device_t dev,
const char *name, uint16_t *value);
int bhnd_nvram_getvar_uint32(device_t dev,
const char *name, uint32_t *value);
int bhnd_nvram_getvar_int(device_t dev,
const char *name, void *value, int width);
int bhnd_nvram_getvar_int8(device_t dev,
const char *name, int8_t *value);
int bhnd_nvram_getvar_int16(device_t dev,
const char *name, int16_t *value);
int bhnd_nvram_getvar_int32(device_t dev,
const char *name, int32_t *value);
int bhnd_nvram_getvar_array(device_t dev,
const char *name, void *buf, size_t count,
bhnd_nvram_type type);
int bhnd_service_registry_init(
struct bhnd_service_registry *bsr);
int bhnd_service_registry_fini(
struct bhnd_service_registry *bsr);
int bhnd_service_registry_add(
struct bhnd_service_registry *bsr,
device_t provider,
bhnd_service_t service,
uint32_t flags);
int bhnd_service_registry_remove(
struct bhnd_service_registry *bsr,
device_t provider,
bhnd_service_t service);
device_t bhnd_service_registry_retain(
struct bhnd_service_registry *bsr,
bhnd_service_t service);
bool bhnd_service_registry_release(
struct bhnd_service_registry *bsr,
device_t provider,
bhnd_service_t service);
int bhnd_bus_generic_register_provider(
device_t dev, device_t child,
device_t provider, bhnd_service_t service);
int bhnd_bus_generic_deregister_provider(
device_t dev, device_t child,
device_t provider, bhnd_service_t service);
device_t bhnd_bus_generic_retain_provider(device_t dev,
device_t child, bhnd_service_t service);
void bhnd_bus_generic_release_provider(device_t dev,
device_t child, device_t provider,
bhnd_service_t service);
int bhnd_bus_generic_sr_register_provider(
device_t dev, device_t child,
device_t provider, bhnd_service_t service);
int bhnd_bus_generic_sr_deregister_provider(
device_t dev, device_t child,
device_t provider, bhnd_service_t service);
device_t bhnd_bus_generic_sr_retain_provider(device_t dev,
device_t child, bhnd_service_t service);
void bhnd_bus_generic_sr_release_provider(device_t dev,
device_t child, device_t provider,
bhnd_service_t service);
bool bhnd_bus_generic_is_hw_disabled(device_t dev,
device_t child);
bool bhnd_bus_generic_is_region_valid(device_t dev,
device_t child, bhnd_port_type type,
u_int port, u_int region);
int bhnd_bus_generic_get_nvram_var(device_t dev,
device_t child, const char *name,
void *buf, size_t *size,
bhnd_nvram_type type);
const struct bhnd_chipid *bhnd_bus_generic_get_chipid(device_t dev,
device_t child);
int bhnd_bus_generic_get_dma_translation(
device_t dev, device_t child, u_int width,
uint32_t flags, bus_dma_tag_t *dmat,
struct bhnd_dma_translation *translation);
int bhnd_bus_generic_read_board_info(device_t dev,
device_t child,
struct bhnd_board_info *info);
struct bhnd_resource *bhnd_bus_generic_alloc_resource (device_t dev,
device_t child, int type, int *rid,
rman_res_t start, rman_res_t end,
rman_res_t count, u_int flags);
int bhnd_bus_generic_release_resource (device_t dev,
device_t child, int type, int rid,
struct bhnd_resource *r);
int bhnd_bus_generic_activate_resource (device_t dev,
device_t child, int type, int rid,
struct bhnd_resource *r);
int bhnd_bus_generic_deactivate_resource (device_t dev,
device_t child, int type, int rid,
struct bhnd_resource *r);
uintptr_t bhnd_bus_generic_get_intr_domain(device_t dev,
device_t child, bool self);
/**
* Return the bhnd(4) bus driver's device enumeration parser class
*
* @param driver A bhnd bus driver instance.
*/
static inline bhnd_erom_class_t *
bhnd_driver_get_erom_class(driver_t *driver)
{
return (BHND_BUS_GET_EROM_CLASS(driver));
}
/**
* Return the active host bridge core for the bhnd bus, if any, or NULL if
* not found.
*
* @param dev A bhnd bus device.
*/
static inline device_t
bhnd_bus_find_hostb_device(device_t dev) {
return (BHND_BUS_FIND_HOSTB_DEVICE(dev));
}
/**
* Register a provider for a given @p service.
*
* @param dev The device to register as a service provider
* with its parent bus.
* @param service The service for which @p dev will be registered.
*
* @retval 0 success
* @retval EEXIST if an entry for @p service already exists.
* @retval non-zero if registering @p dev otherwise fails, a regular
* unix error code will be returned.
*/
static inline int
bhnd_register_provider(device_t dev, bhnd_service_t service)
{
return (BHND_BUS_REGISTER_PROVIDER(device_get_parent(dev), dev, dev,
service));
}
/**
* Attempt to remove a service provider registration for @p dev.
*
* @param dev The device to be deregistered as a service provider.
* @param service The service for which @p dev will be deregistered, or
* BHND_SERVICE_INVALID to remove all service registrations
* for @p dev.
*
* @retval 0 success
* @retval EBUSY if active references to @p dev exist; @see
* bhnd_retain_provider() and bhnd_release_provider().
*/
static inline int
bhnd_deregister_provider(device_t dev, bhnd_service_t service)
{
return (BHND_BUS_DEREGISTER_PROVIDER(device_get_parent(dev), dev, dev,
service));
}
/**
* Retain and return a reference to the registered @p service provider, if any.
*
* @param dev The requesting device.
* @param service The service for which a provider should be returned.
*
* On success, the caller assumes ownership the returned provider, and
* is responsible for releasing this reference via
* BHND_BUS_RELEASE_PROVIDER().
*
* @retval device_t success
* @retval NULL if no provider is registered for @p service.
*/
static inline device_t
bhnd_retain_provider(device_t dev, bhnd_service_t service)
{
return (BHND_BUS_RETAIN_PROVIDER(device_get_parent(dev), dev,
service));
}
/**
* Release a reference to a provider device previously returned by
* bhnd_retain_provider().
*
* @param dev The requesting device.
* @param provider The provider to be released.
* @param service The service for which @p provider was previously retained.
*/
static inline void
bhnd_release_provider(device_t dev, device_t provider,
bhnd_service_t service)
{
return (BHND_BUS_RELEASE_PROVIDER(device_get_parent(dev), dev,
provider, service));
}
/**
* Return true if the hardware components required by @p dev are known to be
* unpopulated or otherwise unusable.
*
* In some cases, enumerated devices may have pins that are left floating, or
* the hardware may otherwise be non-functional; this method allows a parent
* device to explicitly specify if a successfully enumerated @p dev should
* be disabled.
*
* @param dev A bhnd bus child device.
*/
static inline bool
bhnd_is_hw_disabled(device_t dev) {
return (BHND_BUS_IS_HW_DISABLED(device_get_parent(dev), dev));
}
/**
* Return the BHND chip identification info for the bhnd bus.
*
* @param dev A bhnd bus child device.
*/
static inline const struct bhnd_chipid *
bhnd_get_chipid(device_t dev) {
return (BHND_BUS_GET_CHIPID(device_get_parent(dev), dev));
};
/**
* Read the current value of a bhnd(4) device's per-core I/O control register.
*
* @param dev The bhnd bus child device to be queried.
* @param[out] ioctl On success, the I/O control register value.
*
* @retval 0 success
* @retval EINVAL If @p child is not a direct child of @p dev.
* @retval ENODEV If agent/config space for @p child is unavailable.
* @retval non-zero If reading the IOCTL register otherwise fails, a regular
* unix error code will be returned.
*/
static inline int
bhnd_read_ioctl(device_t dev, uint16_t *ioctl)
{
return (BHND_BUS_READ_IOCTL(device_get_parent(dev), dev, ioctl));
}
/**
* Write @p value and @p mask to a bhnd(4) device's per-core I/O control
* register.
*
* @param dev The bhnd bus child device for which the IOCTL register will be
* written.
* @param value The value to be written (see BHND_IOCTL_*).
* @param mask Only the bits defined by @p mask will be updated from @p value.
*
* @retval 0 success
* @retval EINVAL If @p child is not a direct child of @p dev.
* @retval ENODEV If agent/config space for @p child is unavailable.
* @retval non-zero If writing the IOCTL register otherwise fails, a regular
* unix error code will be returned.
*/
static inline int
bhnd_write_ioctl(device_t dev, uint16_t value, uint16_t mask)
{
return (BHND_BUS_WRITE_IOCTL(device_get_parent(dev), dev, value, mask));
}
/**
* Read the current value of a bhnd(4) device's per-core I/O status register.
*
* @param dev The bhnd bus child device to be queried.
* @param[out] iost On success, the I/O status register value.
*
* @retval 0 success
* @retval EINVAL If @p child is not a direct child of @p dev.
* @retval ENODEV If agent/config space for @p child is unavailable.
* @retval non-zero If reading the IOST register otherwise fails, a regular
* unix error code will be returned.
*/
static inline int
bhnd_read_iost(device_t dev, uint16_t *iost)
{
return (BHND_BUS_READ_IOST(device_get_parent(dev), dev, iost));
}
/**
* Return true if the given bhnd device's hardware is currently held
* in a RESET state or otherwise not clocked (BHND_IOCTL_CLK_EN).
*
* @param dev The device to query.
*
* @retval true If @p dev is held in RESET or not clocked (BHND_IOCTL_CLK_EN),
* or an error occured determining @p dev's hardware state.
* @retval false If @p dev is clocked and is not held in RESET.
*/
static inline bool
bhnd_is_hw_suspended(device_t dev)
{
return (BHND_BUS_IS_HW_SUSPENDED(device_get_parent(dev), dev));
}
/**
* Place the bhnd(4) device's hardware into a low-power RESET state with
* the @p reset_ioctl I/O control flags set, and then bring the hardware out of
* RESET with the @p ioctl I/O control flags set.
*
* Any clock or resource PMU requests previously made by @p child will be
* invalidated.
*
* @param dev The device to be reset.
* @param ioctl Device-specific I/O control flags to be set when bringing
* the core out of its RESET state (see BHND_IOCTL_*).
* @param reset_ioctl Device-specific I/O control flags to be set when placing
* the core into its RESET state.
*
* @retval 0 success
* @retval non-zero error
*/
static inline int
bhnd_reset_hw(device_t dev, uint16_t ioctl, uint16_t reset_ioctl)
{
return (BHND_BUS_RESET_HW(device_get_parent(dev), dev, ioctl,
reset_ioctl));
}
/**
* Suspend @p child's hardware in a low-power reset state.
*
* Any clock or resource PMU requests previously made by @p dev will be
* invalidated.
*
* The hardware may be brought out of reset via bhnd_reset_hw().
*
* @param dev The device to be suspended.
*
* @retval 0 success
* @retval non-zero error
*/
static inline int
bhnd_suspend_hw(device_t dev, uint16_t ioctl)
{
return (BHND_BUS_SUSPEND_HW(device_get_parent(dev), dev, ioctl));
}
/**
* Return the BHND attachment type of the parent bhnd bus.
*
* @param dev A bhnd bus child device.
*
* @retval BHND_ATTACH_ADAPTER if the bus is resident on a bridged adapter,
* such as a WiFi chipset.
* @retval BHND_ATTACH_NATIVE if the bus provides hardware services (clock,
* CPU, etc) to a directly attached native host.
*/
static inline bhnd_attach_type
bhnd_get_attach_type (device_t dev) {
return (BHND_BUS_GET_ATTACH_TYPE(device_get_parent(dev), dev));
}
/**
* Find the best available DMA address translation capable of mapping a
* physical host address to a BHND DMA device address of @p width with
* @p flags.
*
* @param dev A bhnd bus child device.
* @param width The address width within which the translation window must
* reside (see BHND_DMA_ADDR_*).
* @param flags Required translation flags (see BHND_DMA_TRANSLATION_*).
* @param[out] dmat On success, will be populated with a DMA tag specifying the
* @p translation DMA address restrictions. This argment may be NULL if the DMA
* tag is not desired.
* the set of valid host DMA addresses reachable via @p translation.
* @param[out] translation On success, will be populated with a DMA address
* translation descriptor for @p child. This argment may be NULL if the
* descriptor is not desired.
*
* @retval 0 success
* @retval ENODEV If DMA is not supported.
* @retval ENOENT If no DMA translation matching @p width and @p flags is
* available.
* @retval non-zero If determining the DMA address translation for @p child
* otherwise fails, a regular unix error code will be returned.
*/
static inline int
bhnd_get_dma_translation(device_t dev, u_int width, uint32_t flags,
bus_dma_tag_t *dmat, struct bhnd_dma_translation *translation)
{
return (BHND_BUS_GET_DMA_TRANSLATION(device_get_parent(dev), dev, width,
flags, dmat, translation));
}
/**
* Attempt to read the BHND board identification from the bhnd bus.
*
* This relies on NVRAM access, and will fail if a valid NVRAM device cannot
* be found, or is not yet attached.
*
* @param dev The bhnd device requesting board info.
* @param[out] info On success, will be populated with the bhnd(4) device's
* board information.
*
* @retval 0 success
* @retval ENODEV No valid NVRAM source could be found.
* @retval non-zero If reading @p name otherwise fails, a regular unix
* error code will be returned.
*/
static inline int
bhnd_read_board_info(device_t dev, struct bhnd_board_info *info)
{
return (BHND_BUS_READ_BOARD_INFO(device_get_parent(dev), dev, info));
}
/**
* Return the number of interrupt lines assigned to @p dev.
*
* @param dev A bhnd bus child device.
*/
static inline u_int
bhnd_get_intr_count(device_t dev)
{
return (BHND_BUS_GET_INTR_COUNT(device_get_parent(dev), dev));
}
/**
* Get the backplane interrupt vector of the @p intr line attached to @p dev.
*
* @param dev A bhnd bus child device.
* @param intr The index of the interrupt line being queried.
* @param[out] ivec On success, the assigned hardware interrupt vector will be
* written to this pointer.
*
* On bcma(4) devices, this returns the OOB bus line assigned to the
* interrupt.
*
* On siba(4) devices, this returns the target OCP slave flag number assigned
* to the interrupt.
*
* @retval 0 success
* @retval ENXIO If @p intr exceeds the number of interrupt lines
* assigned to @p child.
*/
static inline int
bhnd_get_intr_ivec(device_t dev, u_int intr, u_int *ivec)
{
return (BHND_BUS_GET_INTR_IVEC(device_get_parent(dev), dev, intr,
ivec));
}
/**
* Map the given @p intr to an IRQ number; until unmapped, this IRQ may be used
* to allocate a resource of type SYS_RES_IRQ.
*
* On success, the caller assumes ownership of the interrupt mapping, and
* is responsible for releasing the mapping via bhnd_unmap_intr().
*
* @param dev The requesting device.
* @param intr The interrupt being mapped.
* @param[out] irq On success, the bus interrupt value mapped for @p intr.
*
* @retval 0 If an interrupt was assigned.
* @retval non-zero If mapping an interrupt otherwise fails, a regular
* unix error code will be returned.
*/
static inline int
bhnd_map_intr(device_t dev, u_int intr, rman_res_t *irq)
{
return (BHND_BUS_MAP_INTR(device_get_parent(dev), dev, intr, irq));
}
/**
* Unmap an bus interrupt previously mapped via bhnd_map_intr().
*
* @param dev The requesting device.
* @param irq The interrupt value being unmapped.
*/
static inline void
bhnd_unmap_intr(device_t dev, rman_res_t irq)
{
return (BHND_BUS_UNMAP_INTR(device_get_parent(dev), dev, irq));
}
/**
* Allocate and enable per-core PMU request handling for @p child.
*
* The region containing the core's PMU register block (if any) must be
* allocated via bus_alloc_resource(9) (or bhnd_alloc_resource) before
* calling bhnd_alloc_pmu(), and must not be released until after
* calling bhnd_release_pmu().
*
* @param dev The requesting bhnd device.
*
* @retval 0 success
* @retval non-zero If allocating PMU request state otherwise fails, a
* regular unix error code will be returned.
*/
static inline int
bhnd_alloc_pmu(device_t dev)
{
return (BHND_BUS_ALLOC_PMU(device_get_parent(dev), dev));
}
/**
* Release any per-core PMU resources allocated for @p child. Any outstanding
* PMU requests are are discarded.
*
* @param dev The requesting bhnd device.
*
* @retval 0 success
* @retval non-zero If releasing PMU request state otherwise fails, a
* regular unix error code will be returned, and
* the core state will be left unmodified.
*/
static inline int
bhnd_release_pmu(device_t dev)
{
return (BHND_BUS_RELEASE_PMU(device_get_parent(dev), dev));
}
/**
* Return the transition latency required for @p clock in microseconds, if
* known.
*
* The BHND_CLOCK_HT latency value is suitable for use as the D11 core's
* 'fastpwrup_dly' value.
*
* @note A driver must ask the bhnd bus to allocate PMU request state
* via BHND_BUS_ALLOC_PMU() before querying PMU clocks.
*
* @param dev The requesting bhnd device.
* @param clock The clock to be queried for transition latency.
* @param[out] latency On success, the transition latency of @p clock in
* microseconds.
*
* @retval 0 success
* @retval ENODEV If the transition latency for @p clock is not available.
*/
static inline int
bhnd_get_clock_latency(device_t dev, bhnd_clock clock, u_int *latency)
{
return (BHND_BUS_GET_CLOCK_LATENCY(device_get_parent(dev), dev, clock,
latency));
}
/**
* Return the frequency for @p clock in Hz, if known.
*
* @param dev The requesting bhnd device.
* @param clock The clock to be queried.
* @param[out] freq On success, the frequency of @p clock in Hz.
*
* @note A driver must ask the bhnd bus to allocate PMU request state
* via BHND_BUS_ALLOC_PMU() before querying PMU clocks.
*
* @retval 0 success
* @retval ENODEV If the frequency for @p clock is not available.
*/
static inline int
bhnd_get_clock_freq(device_t dev, bhnd_clock clock, u_int *freq)
{
return (BHND_BUS_GET_CLOCK_FREQ(device_get_parent(dev), dev, clock,
freq));
}
/**
* Request that @p clock (or faster) be routed to @p dev.
*
* @note A driver must ask the bhnd bus to allocate clock request state
* via bhnd_alloc_pmu() before it can request clock resources.
*
* @note Any outstanding PMU clock requests will be discarded upon calling
* BHND_BUS_RESET_HW() or BHND_BUS_SUSPEND_HW().
*
* @param dev The bhnd(4) device to which @p clock should be routed.
* @param clock The requested clock source.
*
* @retval 0 success
* @retval ENODEV If an unsupported clock was requested.
* @retval ENXIO If the PMU has not been initialized or is otherwise unvailable,
*/
static inline int
bhnd_request_clock(device_t dev, bhnd_clock clock)
{
return (BHND_BUS_REQUEST_CLOCK(device_get_parent(dev), dev, clock));
}
/**
* Request that @p clocks be powered on behalf of @p dev.
*
* This will power any clock sources (e.g. XTAL, PLL, etc) required for
* @p clocks and wait until they are ready, discarding any previous
* requests by @p dev.
*
* @note A driver must ask the bhnd bus to allocate clock request state
* via bhnd_alloc_pmu() before it can request clock resources.
*
* @note Any outstanding PMU clock requests will be discarded upon calling
* BHND_BUS_RESET_HW() or BHND_BUS_SUSPEND_HW().
*
* @param dev The requesting bhnd(4) device.
* @param clocks The clock(s) to be enabled.
*
* @retval 0 success
* @retval ENODEV If an unsupported clock was requested.
* @retval ENXIO If the PMU has not been initialized or is otherwise unvailable.
*/
static inline int
bhnd_enable_clocks(device_t dev, uint32_t clocks)
{
return (BHND_BUS_ENABLE_CLOCKS(device_get_parent(dev), dev, clocks));
}
/**
* Power up an external PMU-managed resource assigned to @p dev.
*
* @note A driver must ask the bhnd bus to allocate PMU request state
* via bhnd_alloc_pmu() before it can request PMU resources.
*
* @note Any outstanding PMU resource requests will be released upon calling
* bhnd_reset_hw() or bhnd_suspend_hw().
*
* @param dev The requesting bhnd(4) device.
* @param rsrc The core-specific external resource identifier.
*
* @retval 0 success
* @retval ENODEV If the PMU does not support @p rsrc.
* @retval ENXIO If the PMU has not been initialized or is otherwise unvailable.
*/
static inline int
bhnd_request_ext_rsrc(device_t dev, u_int rsrc)
{
return (BHND_BUS_REQUEST_EXT_RSRC(device_get_parent(dev), dev, rsrc));
}
/**
* Power down an external PMU-managed resource assigned to @p dev.
*
* A driver must ask the bhnd bus to allocate PMU request state
* via bhnd_alloc_pmu() before it can request PMU resources.
*
* @param dev The requesting bhnd(4) device.
* @param rsrc The core-specific external resource identifier.
*
* @retval 0 success
* @retval ENODEV If the PMU does not support @p rsrc.
* @retval ENXIO If the PMU has not been initialized or is otherwise unvailable.
*/
static inline int
bhnd_release_ext_rsrc(device_t dev, u_int rsrc)
{
return (BHND_BUS_RELEASE_EXT_RSRC(device_get_parent(dev), dev, rsrc));
}
/**
* Read @p width bytes at @p offset from the bus-specific agent/config
* space of @p dev.
*
* @param dev The bhnd device for which @p offset should be read.
* @param offset The offset to be read.
* @param[out] value On success, the will be set to the @p width value read
* at @p offset.
* @param width The size of the access. Must be 1, 2 or 4 bytes.
*
* The exact behavior of this method is bus-specific. In the case of
* bcma(4), this method provides access to the first agent port of @p child.
*
* @note Device drivers should only use this API for functionality
* that is not available via another bhnd(4) function.
*
* @retval 0 success
* @retval EINVAL If @p child is not a direct child of @p dev.
* @retval EINVAL If @p width is not one of 1, 2, or 4 bytes.
* @retval ENODEV If accessing agent/config space for @p child is unsupported.
* @retval EFAULT If reading @p width at @p offset exceeds the bounds of
* the mapped agent/config space for @p child.
*/
static inline uint32_t
bhnd_read_config(device_t dev, bus_size_t offset, void *value, u_int width)
{
return (BHND_BUS_READ_CONFIG(device_get_parent(dev), dev, offset,
value, width));
}
/**
* Write @p width bytes at @p offset to the bus-specific agent/config
* space of @p dev.
*
* @param dev The bhnd device for which @p offset should be read.
* @param offset The offset to be written.
* @param value A pointer to the value to be written.
* @param width The size of @p value. Must be 1, 2 or 4 bytes.
*
* The exact behavior of this method is bus-specific. In the case of
* bcma(4), this method provides access to the first agent port of @p child.
*
* @note Device drivers should only use this API for functionality
* that is not available via another bhnd(4) function.
*
* @retval 0 success
* @retval EINVAL If @p child is not a direct child of @p dev.
* @retval EINVAL If @p width is not one of 1, 2, or 4 bytes.
* @retval ENODEV If accessing agent/config space for @p child is unsupported.
* @retval EFAULT If reading @p width at @p offset exceeds the bounds of
* the mapped agent/config space for @p child.
*/
static inline int
bhnd_write_config(device_t dev, bus_size_t offset, const void *value,
u_int width)
{
return (BHND_BUS_WRITE_CONFIG(device_get_parent(dev), dev, offset,
value, width));
}
/**
* Read an NVRAM variable, coerced to the requested @p type.
*
* @param dev A bhnd bus child device.
* @param name The NVRAM variable name.
* @param[out] buf A buffer large enough to hold @p len bytes. On
* success, the requested value will be written to
* this buffer. This argment may be NULL if
* the value is not desired.
* @param[in,out] len The maximum capacity of @p buf. On success,
* will be set to the actual size of the requested
* value.
* @param type The desired data representation to be written
* to @p buf.
*
* @retval 0 success
* @retval ENOENT The requested variable was not found.
* @retval ENODEV No valid NVRAM source could be found.
* @retval ENOMEM If a buffer of @p size is too small to hold the
* requested value.
* @retval EOPNOTSUPP If the value cannot be coerced to @p type.
* @retval ERANGE If value coercion would overflow @p type.
* @retval non-zero If reading @p name otherwise fails, a regular unix
* error code will be returned.
*/
static inline int
bhnd_nvram_getvar(device_t dev, const char *name, void *buf, size_t *len,
bhnd_nvram_type type)
{
return (BHND_BUS_GET_NVRAM_VAR(device_get_parent(dev), dev, name, buf,
len, type));
}
/**
* Allocate a resource from a device's parent bhnd(4) bus.
*
* @param dev The device requesting resource ownership.
* @param type The type of resource to allocate. This may be any type supported
* by the standard bus APIs.
* @param rid The bus-specific handle identifying the resource being allocated.
* @param start The start address of the resource.
* @param end The end address of the resource.
* @param count The size of the resource.
* @param flags The flags for the resource to be allocated. These may be any
* values supported by the standard bus APIs.
*
* To request the resource's default addresses, pass @p start and
* @p end values of @c 0 and @c ~0, respectively, and
* a @p count of @c 1.
*
* @retval NULL The resource could not be allocated.
* @retval resource The allocated resource.
*/
static inline struct bhnd_resource *
bhnd_alloc_resource(device_t dev, int type, int *rid, rman_res_t start,
rman_res_t end, rman_res_t count, u_int flags)
{
return BHND_BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, type, rid,
start, end, count, flags);
}
/**
* Allocate a resource from a device's parent bhnd(4) bus, using the
* resource's default start, end, and count values.
*
* @param dev The device requesting resource ownership.
* @param type The type of resource to allocate. This may be any type supported
* by the standard bus APIs.
* @param rid The bus-specific handle identifying the resource being allocated.
* @param flags The flags for the resource to be allocated. These may be any
* values supported by the standard bus APIs.
*
* @retval NULL The resource could not be allocated.
* @retval resource The allocated resource.
*/
static inline struct bhnd_resource *
bhnd_alloc_resource_any(device_t dev, int type, int *rid, u_int flags)
{
return bhnd_alloc_resource(dev, type, rid, 0, ~0, 1, flags);
}
/**
* Activate a previously allocated bhnd resource.
*
* @param dev The device holding ownership of the allocated resource.
* @param type The type of the resource.
* @param rid The bus-specific handle identifying the resource.
* @param r A pointer to the resource returned by bhnd_alloc_resource or
* BHND_BUS_ALLOC_RESOURCE.
*
* @retval 0 success
* @retval non-zero an error occurred while activating the resource.
*/
static inline int
bhnd_activate_resource(device_t dev, int type, int rid,
struct bhnd_resource *r)
{
return BHND_BUS_ACTIVATE_RESOURCE(device_get_parent(dev), dev, type,
rid, r);
}
/**
* Deactivate a previously activated bhnd resource.
*
* @param dev The device holding ownership of the activated resource.
* @param type The type of the resource.
* @param rid The bus-specific handle identifying the resource.
* @param r A pointer to the resource returned by bhnd_alloc_resource or
* BHND_BUS_ALLOC_RESOURCE.
*
* @retval 0 success
* @retval non-zero an error occurred while activating the resource.
*/
static inline int
bhnd_deactivate_resource(device_t dev, int type, int rid,
struct bhnd_resource *r)
{
return BHND_BUS_DEACTIVATE_RESOURCE(device_get_parent(dev), dev, type,
rid, r);
}
/**
* Free a resource allocated by bhnd_alloc_resource().
*
* @param dev The device holding ownership of the resource.
* @param type The type of the resource.
* @param rid The bus-specific handle identifying the resource.
* @param r A pointer to the resource returned by bhnd_alloc_resource or
* BHND_ALLOC_RESOURCE.
*
* @retval 0 success
* @retval non-zero an error occurred while activating the resource.
*/
static inline int
bhnd_release_resource(device_t dev, int type, int rid,
struct bhnd_resource *r)
{
return BHND_BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, type,
rid, r);
}
/**
* Return true if @p region_num is a valid region on @p port_num of
* @p type attached to @p dev.
*
* @param dev A bhnd bus child device.
* @param type The port type being queried.
* @param port The port number being queried.
* @param region The region number being queried.
*/
static inline bool
bhnd_is_region_valid(device_t dev, bhnd_port_type type, u_int port,
u_int region)
{
return (BHND_BUS_IS_REGION_VALID(device_get_parent(dev), dev, type,
port, region));
}
/**
* Return the number of ports of type @p type attached to @p def.
*
* @param dev A bhnd bus child device.
* @param type The port type being queried.
*/
static inline u_int
bhnd_get_port_count(device_t dev, bhnd_port_type type) {
return (BHND_BUS_GET_PORT_COUNT(device_get_parent(dev), dev, type));
}
/**
* Return the number of memory regions mapped to @p child @p port of
* type @p type.
*
* @param dev A bhnd bus child device.
* @param port The port number being queried.
* @param type The port type being queried.
*/
static inline u_int
bhnd_get_region_count(device_t dev, bhnd_port_type type, u_int port) {
return (BHND_BUS_GET_REGION_COUNT(device_get_parent(dev), dev, type,
port));
}
/**
* Return the resource-ID for a memory region on the given device port.
*
* @param dev A bhnd bus child device.
* @param type The port type.
* @param port The port identifier.
* @param region The identifier of the memory region on @p port.
*
* @retval int The RID for the given @p port and @p region on @p device.
* @retval -1 No such port/region found.
*/
static inline int
bhnd_get_port_rid(device_t dev, bhnd_port_type type, u_int port, u_int region)
{
return BHND_BUS_GET_PORT_RID(device_get_parent(dev), dev, type, port,
region);
}
/**
* Decode a port / region pair on @p dev defined by @p rid.
*
* @param dev A bhnd bus child device.
* @param type The resource type.
* @param rid The resource identifier.
* @param[out] port_type The decoded port type.
* @param[out] port The decoded port identifier.
* @param[out] region The decoded region identifier.
*
* @retval 0 success
* @retval non-zero No matching port/region found.
*/
static inline int
bhnd_decode_port_rid(device_t dev, int type, int rid, bhnd_port_type *port_type,
u_int *port, u_int *region)
{
return BHND_BUS_DECODE_PORT_RID(device_get_parent(dev), dev, type, rid,
port_type, port, region);
}
/**
* Get the address and size of @p region on @p port.
*
* @param dev A bhnd bus child device.
* @param port_type The port type.
* @param port The port identifier.
* @param region The identifier of the memory region on @p port.
* @param[out] region_addr The region's base address.
* @param[out] region_size The region's size.
*
* @retval 0 success
* @retval non-zero No matching port/region found.
*/
static inline int
bhnd_get_region_addr(device_t dev, bhnd_port_type port_type, u_int port,
u_int region, bhnd_addr_t *region_addr, bhnd_size_t *region_size)
{
return BHND_BUS_GET_REGION_ADDR(device_get_parent(dev), dev, port_type,
port, region, region_addr, region_size);
}
/*
* bhnd bus-level equivalents of the bus_(read|write|set|barrier|...)
* macros (compatible with bhnd_resource).
*
* Generated with bhnd/tools/bus_macro.sh
*/
#define bhnd_bus_barrier(r, o, l, f) \
(((r)->direct) ? \
bus_barrier((r)->res, (o), (l), (f)) : \
BHND_BUS_BARRIER( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (l), (f)))
#define bhnd_bus_read_1(r, o) \
(((r)->direct) ? \
bus_read_1((r)->res, (o)) : \
BHND_BUS_READ_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_1(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_1((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_1(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_1((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_1(r, o, v) \
(((r)->direct) ? \
bus_write_1((r)->res, (o), (v)) : \
BHND_BUS_WRITE_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_1(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_1((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_1(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_1((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_stream_1(r, o) \
(((r)->direct) ? \
bus_read_stream_1((r)->res, (o)) : \
BHND_BUS_READ_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_stream_1(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_stream_1((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_stream_1(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_stream_1((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_stream_1(r, o, v) \
(((r)->direct) ? \
bus_write_stream_1((r)->res, (o), (v)) : \
BHND_BUS_WRITE_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_stream_1(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_stream_1((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_stream_1(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_stream_1((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_STREAM_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_set_multi_1(r, o, v, c) \
(((r)->direct) ? \
bus_set_multi_1((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_MULTI_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#define bhnd_bus_set_region_1(r, o, v, c) \
(((r)->direct) ? \
bus_set_region_1((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_REGION_1( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#define bhnd_bus_read_2(r, o) \
(((r)->direct) ? \
bus_read_2((r)->res, (o)) : \
BHND_BUS_READ_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_2(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_2((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_2(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_2((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_2(r, o, v) \
(((r)->direct) ? \
bus_write_2((r)->res, (o), (v)) : \
BHND_BUS_WRITE_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_2(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_2((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_2(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_2((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_stream_2(r, o) \
(((r)->direct) ? \
bus_read_stream_2((r)->res, (o)) : \
BHND_BUS_READ_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_stream_2(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_stream_2((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_stream_2(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_stream_2((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_stream_2(r, o, v) \
(((r)->direct) ? \
bus_write_stream_2((r)->res, (o), (v)) : \
BHND_BUS_WRITE_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_stream_2(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_stream_2((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_stream_2(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_stream_2((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_STREAM_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_set_multi_2(r, o, v, c) \
(((r)->direct) ? \
bus_set_multi_2((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_MULTI_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#define bhnd_bus_set_region_2(r, o, v, c) \
(((r)->direct) ? \
bus_set_region_2((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_REGION_2( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#define bhnd_bus_read_4(r, o) \
(((r)->direct) ? \
bus_read_4((r)->res, (o)) : \
BHND_BUS_READ_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_4(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_4((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_4(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_4((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_4(r, o, v) \
(((r)->direct) ? \
bus_write_4((r)->res, (o), (v)) : \
BHND_BUS_WRITE_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_4(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_4((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_4(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_4((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_stream_4(r, o) \
(((r)->direct) ? \
bus_read_stream_4((r)->res, (o)) : \
BHND_BUS_READ_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o)))
#define bhnd_bus_read_multi_stream_4(r, o, d, c) \
(((r)->direct) ? \
bus_read_multi_stream_4((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_MULTI_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_read_region_stream_4(r, o, d, c) \
(((r)->direct) ? \
bus_read_region_stream_4((r)->res, (o), (d), (c)) : \
BHND_BUS_READ_REGION_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_stream_4(r, o, v) \
(((r)->direct) ? \
bus_write_stream_4((r)->res, (o), (v)) : \
BHND_BUS_WRITE_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v)))
#define bhnd_bus_write_multi_stream_4(r, o, d, c) \
(((r)->direct) ? \
bus_write_multi_stream_4((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_MULTI_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_write_region_stream_4(r, o, d, c) \
(((r)->direct) ? \
bus_write_region_stream_4((r)->res, (o), (d), (c)) : \
BHND_BUS_WRITE_REGION_STREAM_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (d), (c)))
#define bhnd_bus_set_multi_4(r, o, v, c) \
(((r)->direct) ? \
bus_set_multi_4((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_MULTI_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#define bhnd_bus_set_region_4(r, o, v, c) \
(((r)->direct) ? \
bus_set_region_4((r)->res, (o), (v), (c)) : \
BHND_BUS_SET_REGION_4( \
device_get_parent(rman_get_device((r)->res)), \
rman_get_device((r)->res), (r), (o), (v), (c)))
#endif /* _BHND_BHND_H_ */
