c3a0f75a9f
In order to use platorm backend hardware driver should
impement three methods:
- platform_start_transfer and platform_finish_transfer
to start and finish transfer
- platform_will_handle - check whether transaction is
suitable for backend. If not - driver will fall back
to PIO mode.
Submitted by: Daisuke Aoyama <aoyama at peach.ne.jp>
Approved by: ian@
154 lines
4.5 KiB
Objective-C
154 lines
4.5 KiB
Objective-C
#-
|
|
# Copyright (c) 2006 M. Warner Losh
|
|
# 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.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
|
|
#
|
|
# Portions of this software may have been developed with reference to
|
|
# the SD Simplified Specification. The following disclaimer may apply:
|
|
#
|
|
# The following conditions apply to the release of the simplified
|
|
# specification ("Simplified Specification") by the SD Card Association and
|
|
# the SD Group. The Simplified Specification is a subset of the complete SD
|
|
# Specification which is owned by the SD Card Association and the SD
|
|
# Group. This Simplified Specification is provided on a non-confidential
|
|
# basis subject to the disclaimers below. Any implementation of the
|
|
# Simplified Specification may require a license from the SD Card
|
|
# Association, SD Group, SD-3C LLC or other third parties.
|
|
#
|
|
# Disclaimers:
|
|
#
|
|
# The information contained in the Simplified Specification is presented only
|
|
# as a standard specification for SD Cards and SD Host/Ancillary products and
|
|
# is provided "AS-IS" without any representations or warranties of any
|
|
# kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
|
|
# Card Association for any damages, any infringements of patents or other
|
|
# right of the SD Group, SD-3C LLC, the SD Card Association or any third
|
|
# parties, which may result from its use. No license is granted by
|
|
# implication, estoppel or otherwise under any patent or other rights of the
|
|
# SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
|
|
# herein shall be construed as an obligation by the SD Group, the SD-3C LLC
|
|
# or the SD Card Association to disclose or distribute any technical
|
|
# information, know-how or other confidential information to any third party.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
#
|
|
# This is the set of callbacks that mmc bridges call into the bus, or
|
|
# that mmc/sd card drivers call to make requests.
|
|
#
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/taskqueue.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/mmc/bridge.h>
|
|
#include <dev/mmc/mmcreg.h>
|
|
#include <dev/sdhci/sdhci.h>
|
|
|
|
CODE {
|
|
struct sdhci_slot;
|
|
}
|
|
|
|
INTERFACE sdhci;
|
|
|
|
METHOD uint8_t read_1 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
}
|
|
|
|
METHOD uint16_t read_2 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
}
|
|
|
|
METHOD uint32_t read_4 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
}
|
|
|
|
METHOD void read_multi_4 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
uint32_t *data;
|
|
bus_size_t count;
|
|
}
|
|
|
|
METHOD void write_1 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
uint8_t val;
|
|
}
|
|
|
|
METHOD void write_2 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
uint16_t val;
|
|
}
|
|
|
|
METHOD void write_4 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
uint32_t val;
|
|
}
|
|
|
|
METHOD void write_multi_4 {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
bus_size_t off;
|
|
uint32_t *data;
|
|
bus_size_t count;
|
|
}
|
|
|
|
METHOD int platform_will_handle {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
}
|
|
|
|
METHOD void platform_start_transfer {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
uint32_t *intmask;
|
|
}
|
|
|
|
METHOD void platform_finish_transfer {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
}
|
|
|
|
METHOD uint32_t min_freq {
|
|
device_t brdev;
|
|
struct sdhci_slot *slot;
|
|
} DEFAULT sdhci_generic_min_freq;
|