1#- 2# Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org> 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23# SUCH DAMAGE. 24# 25# Portions of this software may have been developed with reference to 26# the SD Simplified Specification. The following disclaimer may apply: 27# 28# The following conditions apply to the release of the simplified 29# specification ("Simplified Specification") by the SD Card Association and 30# the SD Group. The Simplified Specification is a subset of the complete SD 31# Specification which is owned by the SD Card Association and the SD 32# Group. This Simplified Specification is provided on a non-confidential 33# basis subject to the disclaimers below. Any implementation of the 34# Simplified Specification may require a license from the SD Card 35# Association, SD Group, SD-3C LLC or other third parties. 36# 37# Disclaimers: 38# 39# The information contained in the Simplified Specification is presented only 40# as a standard specification for SD Cards and SD Host/Ancillary products and 41# is provided "AS-IS" without any representations or warranties of any 42# kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD 43# Card Association for any damages, any infringements of patents or other 44# right of the SD Group, SD-3C LLC, the SD Card Association or any third 45# parties, which may result from its use. No license is granted by 46# implication, estoppel or otherwise under any patent or other rights of the 47# SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing 48# herein shall be construed as an obligation by the SD Group, the SD-3C LLC 49# or the SD Card Association to disclose or distribute any technical 50# information, know-how or other confidential information to any third party. 51# 52# 53 54# 55# This is the set of callbacks that mmc bridges call into the bus, or 56# that mmc/sd card drivers call to make requests. 57# 58 59#include <sys/lock.h> 60#include <sys/mutex.h> 61#include <sys/types.h> 62#include <sys/sysctl.h> 63#include <sys/taskqueue.h> 64 65#include <machine/bus.h> 66 67#include <dev/mmc/bridge.h> 68#include <dev/sdhci/sdhci.h> 69 70CODE { 71 static int 72 null_set_clock(device_t brdev __unused, 73 struct sdhci_slot *slot __unused, 74 int clock) 75 { 76 return (clock); 77 } 78 79 static void 80 null_set_uhs_timing(device_t brdev __unused, 81 struct sdhci_slot *slot __unused) 82 { 83 84 } 85} 86 87INTERFACE sdhci; 88 89METHOD uint8_t read_1 { 90 device_t brdev; 91 struct sdhci_slot *slot; 92 bus_size_t off; 93} 94 95METHOD uint16_t read_2 { 96 device_t brdev; 97 struct sdhci_slot *slot; 98 bus_size_t off; 99} 100 101METHOD uint32_t read_4 { 102 device_t brdev; 103 struct sdhci_slot *slot; 104 bus_size_t off; 105} 106 107METHOD void read_multi_4 { 108 device_t brdev; 109 struct sdhci_slot *slot; 110 bus_size_t off; 111 uint32_t *data; 112 bus_size_t count; 113} 114 115METHOD void write_1 { 116 device_t brdev; 117 struct sdhci_slot *slot; 118 bus_size_t off; 119 uint8_t val; 120} 121 122METHOD void write_2 { 123 device_t brdev; 124 struct sdhci_slot *slot; 125 bus_size_t off; 126 uint16_t val; 127} 128 129METHOD void write_4 { 130 device_t brdev; 131 struct sdhci_slot *slot; 132 bus_size_t off; 133 uint32_t val; 134} 135 136METHOD void write_multi_4 { 137 device_t brdev; 138 struct sdhci_slot *slot; 139 bus_size_t off; 140 uint32_t *data; 141 bus_size_t count; 142} 143 144METHOD int platform_will_handle { 145 device_t brdev; 146 struct sdhci_slot *slot; 147} 148 149METHOD void platform_start_transfer { 150 device_t brdev; 151 struct sdhci_slot *slot; 152 uint32_t *intmask; 153} 154 155METHOD void platform_finish_transfer { 156 device_t brdev; 157 struct sdhci_slot *slot; 158} 159 160METHOD uint32_t min_freq { 161 device_t brdev; 162 struct sdhci_slot *slot; 163} DEFAULT sdhci_generic_min_freq; 164 165METHOD bool get_card_present { 166 device_t brdev; 167 struct sdhci_slot *slot; 168} DEFAULT sdhci_generic_get_card_present; 169 170METHOD void set_uhs_timing { 171 device_t brdev; 172 struct sdhci_slot *slot; 173} DEFAULT null_set_uhs_timing; 174 175METHOD int set_clock { 176 device_t brdev; 177 struct sdhci_slot *slot; 178 int clock; 179} DEFAULT null_set_clock; 180 181METHOD void reset { 182 device_t brdev; 183 struct sdhci_slot *slot; 184 uint8_t mask; 185} DEFAULT sdhci_generic_reset; 186