1 /*-
2 * Copyright (c) 2016-2017 Ilya Bakulin
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 #include <sys/ioctl.h>
29 #include <sys/stdint.h>
30 #include <sys/types.h>
31 #include <sys/stat.h>
32 #include <sys/endian.h>
33 #include <sys/sbuf.h>
34 #include <sys/mman.h>
35
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <inttypes.h>
41 #include <limits.h>
42 #include <fcntl.h>
43 #include <ctype.h>
44 #include <err.h>
45 #include <libutil.h>
46 #include <unistd.h>
47
48 #include <cam/cam.h>
49 #include <cam/cam_debug.h>
50 #include <cam/cam_ccb.h>
51 #include <cam/mmc/mmc_all.h>
52 #include <camlib.h>
53
54 #include "linux_compat.h"
55 #include "linux_sdio_compat.h"
56 #include "cam_sdio.h"
57
sdio_readb(struct sdio_func * func,unsigned int addr,int * err_ret)58 u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret) {
59 return sdio_read_1(func->dev, func->num, addr, err_ret);
60 }
61
sdio_f0_readb(struct sdio_func * func,unsigned int addr,int * err_ret)62 unsigned char sdio_f0_readb(struct sdio_func *func, unsigned int addr, int *err_ret) {
63 return sdio_readb(func, addr, err_ret);
64 }
65
sdio_readw(struct sdio_func * func,unsigned int addr,int * err_ret)66 u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret) {
67 return sdio_read_2(func->dev, func->num, addr, err_ret);
68 }
69
sdio_readl(struct sdio_func * func,unsigned int addr,int * err_ret)70 u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret) {
71 return sdio_read_4(func->dev, func->num, addr, err_ret);
72 }
73
sdio_writeb(struct sdio_func * func,u8 b,unsigned int addr,int * err_ret)74 void sdio_writeb(struct sdio_func *func, u8 b,
75 unsigned int addr, int *err_ret) {
76 *err_ret = sdio_write_1(func->dev, func->num, addr, b);
77 }
78
79 /* Only writes to the vendor specific CCCR registers
80 * (0xF0 - 0xFF) are permiited. */
sdio_f0_writeb(struct sdio_func * func,unsigned char b,unsigned int addr,int * err_ret)81 void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
82 unsigned int addr, int *err_ret)
83 {
84 if (addr < 0xF0 || addr > 0xFF) {
85 if (err_ret)
86 *err_ret = -EINVAL;
87 return;
88 }
89 sdio_writeb(func, b, addr, err_ret);
90 }
91
sdio_writew(struct sdio_func * func,u16 b,unsigned int addr,int * err_ret)92 void sdio_writew(struct sdio_func *func, u16 b,
93 unsigned int addr, int *err_ret) {
94 *err_ret = sdio_write_2(func->dev, func->num, addr, b);
95 }
96
sdio_writel(struct sdio_func * func,u32 b,unsigned int addr,int * err_ret)97 void sdio_writel(struct sdio_func *func, u32 b,
98 unsigned int addr, int *err_ret) {
99 *err_ret = sdio_write_4(func->dev, func->num, addr, b);
100 }
101