229 lines
6.2 KiB
C
229 lines
6.2 KiB
C
/*-
|
|
* Copyright (c) 2017 Ilya Bakulin. All rights reserved.
|
|
* Copyright (c) 2018-2019 The FreeBSD Foundation
|
|
*
|
|
* Portions of this software were developed by Björn Zeeb
|
|
* 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.
|
|
* 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 ``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 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/endian.h>
|
|
|
|
#include <dev/mmc/mmcreg.h>
|
|
|
|
#include <dev/sdio/sdiob.h>
|
|
#include <dev/sdio/sdio_subr.h>
|
|
|
|
#include "sdio_if.h"
|
|
|
|
/* Works on F0. */
|
|
static int
|
|
sdio_set_bool_for_func(device_t dev, uint32_t addr, uint8_t fn, bool enable)
|
|
{
|
|
device_t pdev;
|
|
int error;
|
|
uint8_t val;
|
|
bool enabled;
|
|
|
|
pdev = device_get_parent(dev);
|
|
error = SDIO_READ_DIRECT(pdev, 0, addr, &val);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
enabled = (val & (1 << fn)) ? true : false;
|
|
if (enabled == enable)
|
|
return (0);
|
|
|
|
if (enable)
|
|
val |= (1 << fn);
|
|
else
|
|
val &= ~(1 << fn);
|
|
error = SDIO_WRITE_DIRECT(pdev, 0, addr, val);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
sdio_enable_func(struct sdio_func *f)
|
|
{
|
|
|
|
return (sdio_set_bool_for_func(f->dev, SD_IO_CCCR_FN_ENABLE,
|
|
f->fn, true));
|
|
}
|
|
|
|
int
|
|
sdio_disable_func(struct sdio_func *f)
|
|
{
|
|
|
|
return (sdio_set_bool_for_func(f->dev, SD_IO_CCCR_FN_ENABLE,
|
|
f->fn, false));
|
|
}
|
|
|
|
int
|
|
sdio_set_block_size(struct sdio_func *f, uint16_t bs)
|
|
{
|
|
device_t pdev;
|
|
int error;
|
|
uint32_t addr;
|
|
uint16_t v;
|
|
|
|
if (bs > f->max_blksize)
|
|
return (EOPNOTSUPP);
|
|
|
|
if (!sdio_get_support_multiblk(f->dev))
|
|
return (EOPNOTSUPP);
|
|
|
|
pdev = device_get_parent(f->dev);
|
|
addr = SD_IO_FBR_START * f->fn + SD_IO_FBR_IOBLKSZ;
|
|
v = htole16(bs);
|
|
/* Always write through F0. */
|
|
error = SDIO_WRITE_DIRECT(pdev, 0, addr, v & 0xff);
|
|
if (error == 0)
|
|
error = SDIO_WRITE_DIRECT(pdev, 0, addr + 1,
|
|
(v >> 8) & 0xff);
|
|
if (error == 0)
|
|
f->cur_blksize = bs;
|
|
|
|
return (error);
|
|
}
|
|
|
|
uint8_t
|
|
sdio_read_1(struct sdio_func *f, uint32_t addr, int *err)
|
|
{
|
|
int error;
|
|
uint8_t v;
|
|
|
|
error = SDIO_READ_DIRECT(device_get_parent(f->dev), f->fn, addr, &v);
|
|
if (error) {
|
|
if (err != NULL)
|
|
*err = error;
|
|
return (0xff);
|
|
} else {
|
|
if (err != NULL)
|
|
*err = 0;
|
|
return (v);
|
|
}
|
|
}
|
|
|
|
void
|
|
sdio_write_1(struct sdio_func *f, uint32_t addr, uint8_t val, int *err)
|
|
{
|
|
int error;
|
|
|
|
error = SDIO_WRITE_DIRECT(device_get_parent(f->dev), f->fn, addr, val);
|
|
if (err != NULL)
|
|
*err = error;
|
|
}
|
|
|
|
uint32_t
|
|
sdio_read_4(struct sdio_func *f, uint32_t addr, int *err)
|
|
{
|
|
int error;
|
|
uint32_t v;
|
|
|
|
error = SDIO_READ_EXTENDED(device_get_parent(f->dev), f->fn, addr,
|
|
sizeof(v), (uint8_t *)&v, true);
|
|
if (error) {
|
|
if (err != NULL)
|
|
*err = error;
|
|
return (0xffffffff);
|
|
} else {
|
|
if (err != NULL)
|
|
*err = 0;
|
|
return (le32toh(v));
|
|
}
|
|
}
|
|
|
|
void
|
|
sdio_write_4(struct sdio_func *f, uint32_t addr, uint32_t val, int *err)
|
|
{
|
|
int error;
|
|
|
|
error = SDIO_WRITE_EXTENDED(device_get_parent(f->dev), f->fn, addr,
|
|
sizeof(val), (uint8_t *)&val, true);
|
|
if (err != NULL)
|
|
*err = error;
|
|
}
|
|
|
|
uint8_t
|
|
sdio_f0_read_1(struct sdio_func *f, uint32_t addr, int *err)
|
|
{
|
|
int error;
|
|
uint8_t v;
|
|
|
|
error = SDIO_READ_DIRECT(device_get_parent(f->dev), 0, addr, &v);
|
|
if (error) {
|
|
if (err != NULL)
|
|
*err = error;
|
|
return (0xff);
|
|
} else {
|
|
if (err != NULL)
|
|
*err = 0;
|
|
return (v);
|
|
}
|
|
}
|
|
|
|
void
|
|
sdio_f0_write_1(struct sdio_func *f, uint32_t addr, uint8_t val, int *err)
|
|
{
|
|
int error;
|
|
|
|
error = SDIO_WRITE_DIRECT(device_get_parent(f->dev), 0, addr, val);
|
|
if (err != NULL)
|
|
*err = error;
|
|
}
|
|
|
|
/* end */
|