2 * Copyright (c) 2017 Ilya Bakulin. All rights reserved.
3 * Copyright (c) 2018-2019 The FreeBSD Foundation
5 * Portions of this software were developed by Björn Zeeb
6 * under sponsorship from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * Portions of this software may have been developed with reference to
30 * the SD Simplified Specification. The following disclaimer may apply:
32 * The following conditions apply to the release of the simplified
33 * specification ("Simplified Specification") by the SD Card Association and
34 * the SD Group. The Simplified Specification is a subset of the complete SD
35 * Specification which is owned by the SD Card Association and the SD
36 * Group. This Simplified Specification is provided on a non-confidential
37 * basis subject to the disclaimers below. Any implementation of the
38 * Simplified Specification may require a license from the SD Card
39 * Association, SD Group, SD-3C LLC or other third parties.
43 * The information contained in the Simplified Specification is presented only
44 * as a standard specification for SD Cards and SD Host/Ancillary products and
45 * is provided "AS-IS" without any representations or warranties of any
46 * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
47 * Card Association for any damages, any infringements of patents or other
48 * right of the SD Group, SD-3C LLC, the SD Card Association or any third
49 * parties, which may result from its use. No license is granted by
50 * implication, estoppel or otherwise under any patent or other rights of the
51 * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
52 * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
53 * or the SD Card Association to disclose or distribute any technical
54 * information, know-how or other confidential information to any third party.
57 #include <sys/cdefs.h>
58 __FBSDID("$FreeBSD$");
60 #include <sys/types.h>
61 #include <sys/param.h>
62 #include <sys/kernel.h>
63 #include <sys/systm.h>
65 #include <sys/endian.h>
67 #include <dev/mmc/mmcreg.h>
69 #include <dev/sdio/sdiob.h>
70 #include <dev/sdio/sdio_subr.h>
76 sdio_set_bool_for_func(device_t dev, uint32_t addr, uint8_t fn, bool enable)
83 pdev = device_get_parent(dev);
84 error = SDIO_READ_DIRECT(pdev, 0, addr, &val);
88 enabled = (val & (1 << fn)) ? true : false;
89 if (enabled == enable)
96 error = SDIO_WRITE_DIRECT(pdev, 0, addr, val);
101 sdio_enable_func(struct sdio_func *f)
104 return (sdio_set_bool_for_func(f->dev, SD_IO_CCCR_FN_ENABLE,
109 sdio_disable_func(struct sdio_func *f)
112 return (sdio_set_bool_for_func(f->dev, SD_IO_CCCR_FN_ENABLE,
117 sdio_set_block_size(struct sdio_func *f, uint16_t bs)
124 if (!sdio_get_support_multiblk(f->dev))
127 pdev = device_get_parent(f->dev);
128 addr = SD_IO_FBR_START * f->fn + SD_IO_FBR_IOBLKSZ;
130 /* Always write through F0. */
131 error = SDIO_WRITE_DIRECT(pdev, 0, addr, v & 0xff);
133 error = SDIO_WRITE_DIRECT(pdev, 0, addr + 1,
142 sdio_readb(struct sdio_func *f, uint32_t addr, int *err)
147 error = SDIO_READ_DIRECT(device_get_parent(f->dev), f->fn, addr, &v);
160 sdio_writeb(struct sdio_func *f, uint8_t val, uint32_t addr, int *err)
164 error = SDIO_WRITE_DIRECT(device_get_parent(f->dev), f->fn, addr, val);
170 sdio_readl(struct sdio_func *f, uint32_t addr, int *err)
175 error = SDIO_READ_EXTENDED(device_get_parent(f->dev), f->fn, addr,
176 sizeof(v), (uint8_t *)&v, false);
189 sdio_writel(struct sdio_func *f, uint32_t val, uint32_t addr, int *err)
193 error = SDIO_WRITE_EXTENDED(device_get_parent(f->dev), f->fn, addr,
194 sizeof(val), (uint8_t *)&val, false);
200 sdio_f0_readb(struct sdio_func *f, uint32_t addr, int *err)
205 error = SDIO_READ_DIRECT(device_get_parent(f->dev), 0, addr, &v);
218 sdio_f0_writeb(struct sdio_func *f, uint8_t val, uint32_t addr, int *err)
222 error = SDIO_WRITE_DIRECT(device_get_parent(f->dev), 0, addr, val);