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 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 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 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 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 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. */ 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 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 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