mmc-utils/lsmmc.c
Avri Altman f884bfe684 mmc-utils: Make functions static for local scope enforcement
Run Sparse and fix its warnings.  Apparently, running make C=1 is rarely
done, so make running sparse default.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240706171412.1613019-1-avri.altman@wdc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2024-07-08 11:30:08 +02:00

2221 lines
45 KiB
C

/*
* Copyright (C) ST-Ericsson SA 2010-2011
* Author: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com>
*
* All rights reserved.
*
* 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.
* 3. Neither the name of the ST-Ericsson SA nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mmc.h"
#include "mmc_cmds.h"
#define MASKTOBIT0(high) \
((high >= 0) ? ((1ull << ((high) + 1ull)) - 1ull) : 0ull)
#define MASK(high, low) (MASKTOBIT0(high) & ~MASKTOBIT0(low - 1))
#define BITS(value, high, low) (((value) & MASK((high), (low))) >> (low))
#define IDS_MAX 256
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
enum bus_type {
MMC = 1,
SD,
};
struct config {
char *idsfile;
char *dir;
bool verbose;
enum bus_type bus;
char *type;
char *cid;
char *csd;
char *scr;
char *ext_csd;
};
enum REG_TYPE {
CID = 0,
CSD,
SCR,
};
struct ids_database {
int id;
char *manufacturer;
};
static struct ids_database sd_database[] = {
{
.id = 0x01,
.manufacturer = "Panasonic",
},
{
.id = 0x02,
.manufacturer = "Toshiba/Kingston/Viking",
},
{
.id = 0x03,
.manufacturer = "SanDisk",
},
{
.id = 0x08,
.manufacturer = "Silicon Power",
},
{
.id = 0x18,
.manufacturer = "Infineon",
},
{
.id = 0x1b,
.manufacturer = "Transcend/Samsung",
},
{
.id = 0x1c,
.manufacturer = "Transcend",
},
{
.id = 0x1d,
.manufacturer = "Corsair/AData",
},
{
.id = 0x1e,
.manufacturer = "Transcend",
},
{
.id = 0x1f,
.manufacturer = "Kingston",
},
{
.id = 0x27,
.manufacturer = "Delkin/Phison",
},
{
.id = 0x28,
.manufacturer = "Lexar",
},
{
.id = 0x30,
.manufacturer = "SanDisk",
},
{
.id = 0x31,
.manufacturer = "Silicon Power",
},
{
.id = 0x33,
.manufacturer = "STMicroelectronics",
},
{
.id = 0x41,
.manufacturer = "Kingston",
},
{
.id = 0x6f,
.manufacturer = "STMicroelectronics",
},
{
.id = 0x74,
.manufacturer = "Transcend",
},
{
.id = 0x76,
.manufacturer = "Patriot",
},
{
.id = 0x82,
.manufacturer = "Gobe/Sony",
},
{
.id = 0x89,
.manufacturer = "Unknown",
},
};
static struct ids_database mmc_database[] = {
{
.id = 0x00,
.manufacturer = "SanDisk",
},
{
.id = 0x02,
.manufacturer = "Kingston/SanDisk",
},
{
.id = 0x03,
.manufacturer = "Toshiba",
},
{
.id = 0x05,
.manufacturer = "Unknown",
},
{
.id = 0x06,
.manufacturer = "Unknown",
},
{
.id = 0x11,
.manufacturer = "Toshiba",
},
{
.id = 0x13,
.manufacturer = "Micron",
},
{
.id = 0x15,
.manufacturer = "Samsung/SanDisk/LG",
},
{
.id = 0x37,
.manufacturer = "KingMax",
},
{
.id = 0x44,
.manufacturer = "ATP",
},
{
.id = 0x45,
.manufacturer = "SanDisk Corporation",
},
{
.id = 0x2c,
.manufacturer = "Kingston",
},
{
.id = 0x70,
.manufacturer = "Kingston",
},
{
.id = 0xfe,
.manufacturer = "Micron",
},
};
/* Command line parsing functions */
static void usage(void)
{
printf("Usage: print mmc [-h] [-v] <device path ...>\n");
printf("\n");
printf("Options:\n");
printf("\t-h\tShow this help.\n");
printf("\t-v\tEnable verbose mode.\n");
}
static int parse_opts(int argc, char **argv, struct config *config)
{
int c;
while ((c = getopt(argc, argv, "hv")) != -1) {
switch (c) {
case 'h':
usage();
return -1;
case 'v':
config->verbose = true;
break;
case '?':
fprintf(stderr,
"Unknown option '%c' encountered.\n\n", c);
usage();
return -1;
case ':':
fprintf(stderr,
"Argument for option '%c' missing.\n\n", c);
usage();
return -1;
default:
fprintf(stderr,
"Unimplemented option '%c' encountered.\n", c);
break;
}
}
if (optind >= argc) {
fprintf(stderr, "Expected mmc directory arguments.\n\n");
usage();
return -1;
}
config->dir = strdup(argv[optind]);
return 0;
}
static char *get_manufacturer(struct config *config, unsigned int manid)
{
struct ids_database *db;
unsigned int ids_cnt;
int i;
if (config->bus == MMC) {
db = mmc_database;
ids_cnt = ARRAY_SIZE(mmc_database);
} else {
db = sd_database;
ids_cnt = ARRAY_SIZE(sd_database);
}
for (i = 0; i < ids_cnt; i++) {
if (db[i].id == manid)
return db[i].manufacturer;
}
return NULL;
}
/* MMC/SD file parsing functions */
static char *read_file(char *name)
{
char line[4096];
char *preparsed, *start = line;
int len;
FILE *f;
f = fopen(name, "r");
if (!f) {
fprintf(stderr, "Could not open MMC/SD file '%s'.\n", name);
return NULL;
}
preparsed = fgets(line, sizeof(line), f);
if (!preparsed) {
if (ferror(f))
fprintf(stderr, "Could not read MMC/SD file '%s'.\n",
name);
else
fprintf(stderr,
"Could not read data from MMC/SD file '%s'.\n",
name);
if (fclose(f))
fprintf(stderr, "Could not close MMC/SD file '%s'.\n",
name);
return NULL;
}
if (fclose(f)) {
fprintf(stderr, "Could not close MMC/SD file '%s'.\n", name);
return NULL;
}
line[sizeof(line) - 1] = '\0';
len = strlen(line);
while (len > 0 && isspace(line[len - 1]))
len--;
while (len > 0 && isspace(*start)) {
start++;
len--;
}
start[len] = '\0';
return strdup(start);
}
/* Hexadecimal string parsing functions */
static char *to_binstr(char *hexstr)
{
char *bindigits[] = {
"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111",
"1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111",
};
char *binstr, *tail;
binstr = calloc(strlen(hexstr) * 4 + 1, sizeof(char));
if (!binstr)
return NULL;
tail = binstr;
while (hexstr && *hexstr != '\0') {
if (!isxdigit(*hexstr)) {
free(binstr);
return NULL;
}
if (isdigit(*hexstr))
strcat(tail, bindigits[*hexstr - '0']);
else if (islower(*hexstr))
strcat(tail, bindigits[*hexstr - 'a' + 10]);
else
strcat(tail, bindigits[*hexstr - 'A' + 10]);
hexstr++;
tail += 4;
}
return binstr;
}
static void bin_to_unsigned(unsigned int *u, char *binstr, int width)
{
*u = 0;
assert(width <= 32);
while (binstr && *binstr != '\0' && width > 0) {
*u <<= 1;
*u |= *binstr == '0' ? 0 : 1;
binstr++;
width--;
}
}
static void bin_to_ascii(char *a, char *binstr, int width)
{
assert(width % 8 == 0);
*a = '\0';
while (binstr && *binstr != '\0' && width > 0) {
unsigned int u;
char c[2] = { '\0', '\0' };
char *s = &c[0];
bin_to_unsigned(&u, binstr, 8);
c[0] = u;
strcat(a, s);
binstr += 8;
width -= 8;
}
}
static void parse_bin(char *hexstr, char *fmt, ...)
{
va_list args;
char *origstr;
char *binstr;
unsigned long width = 0;
binstr = to_binstr(hexstr);
origstr = binstr;
va_start(args, fmt);
while (binstr && fmt && *fmt != '\0') {
if (isdigit(*fmt)) {
char *rest;
errno = 0;
width = strtoul(fmt, &rest, 10);
if (width == ULONG_MAX && errno != 0)
fprintf(stderr, "strtoul()");
fmt = rest;
} else if (*fmt == 'u') {
unsigned int *u = va_arg(args, unsigned int *);
if (u)
bin_to_unsigned(u, binstr, width);
binstr += width;
width = 0;
fmt++;
} else if (*fmt == 'r') {
binstr += width;
width = 0;
fmt++;
} else if (*fmt == 'a') {
char *c = va_arg(args, char *);
if (c)
bin_to_ascii(c, binstr, width);
binstr += width;
width = 0;
fmt++;
} else {
fmt++;
}
}
va_end(args);
free(origstr);
}
/* MMC/SD information parsing functions */
static void print_sd_cid(struct config *config, char *cid)
{
static const char *months[] = {
"jan", "feb", "mar", "apr", "may", "jun",
"jul", "aug", "sep", "oct", "nov", "dec",
"invalid0", "invalid1", "invalid2", "invalid3",
};
unsigned int mid;
char oid[3];
char pnm[6];
unsigned int prv_major;
unsigned int prv_minor;
unsigned int psn;
unsigned int mdt_month;
unsigned int mdt_year;
unsigned int crc;
char *manufacturer = NULL;
parse_bin(cid, "8u16a40a4u4u32u4r8u4u7u1r",
&mid, &oid[0], &pnm[0], &prv_major, &prv_minor, &psn,
&mdt_year, &mdt_month, &crc);
oid[2] = '\0';
pnm[5] = '\0';
manufacturer = get_manufacturer(config, mid);
if (config->verbose) {
printf("======SD/CID======\n");
printf("\tMID: 0x%02x (", mid);
if (manufacturer)
printf("%s)\n", manufacturer);
else
printf("Unlisted)\n");
printf("\tOID: %s\n", oid);
printf("\tPNM: %s\n", pnm);
printf("\tPRV: 0x%01x%01x ", prv_major, prv_minor);
printf("(%u.%u)\n", prv_major, prv_minor);
printf("\tPSN: 0x%08x\n", psn);
printf("\tMDT: 0x%02x%01x %u %s\n", mdt_year, mdt_month,
2000 + mdt_year, months[mdt_month]);
printf("\tCRC: 0x%02x\n", crc);
} else {
if (manufacturer)
printf("manufacturer: '%s' '%s'\n",
manufacturer, oid);
else
printf("manufacturer: 'Unlisted' '%s'\n", oid);
printf("product: '%s' %u.%u\n", pnm, prv_major, prv_minor);
printf("serial: 0x%08x\n", psn);
printf("manufacturing date: %u %s\n", 2000 + mdt_year,
months[mdt_month]);
}
}
static void print_mmc_cid(struct config *config, char *cid)
{
static const char *months[] = {
"jan", "feb", "mar", "apr", "may", "jun",
"jul", "aug", "sep", "oct", "nov", "dec",
"invalid0", "invalid1", "invalid2", "invalid3",
};
unsigned int mid;
unsigned int cbx;
unsigned int oid;
char pnm[7];
unsigned int prv_major;
unsigned int prv_minor;
unsigned int psn;
unsigned int mdt_month;
unsigned int mdt_year;
unsigned int crc;
char *manufacturer = NULL;
parse_bin(cid, "8u6r2u8u48a4u4u32u4u4u7u1r",
&mid, &cbx, &oid, &pnm[0], &prv_major, &prv_minor, &psn,
&mdt_year, &mdt_month, &crc);
pnm[6] = '\0';
manufacturer = get_manufacturer(config, mid);
if (config->verbose) {
printf("======MMC/CID======\n");
printf("\tMID: 0x%02x (", mid);
if (manufacturer)
printf("%s)\n", manufacturer);
else
printf("Unlisted)\n");
printf("\tCBX: 0x%01x (", cbx);
switch (cbx) {
case 0:
printf("card)\n");
break;
case 1:
printf("BGA)\n");
break;
case 2:
printf("PoP)\n");
break;
case 3:
printf("reserved)\n");
break;
}
printf("\tOID: 0x%01x\n", oid);
printf("\tPNM: %s\n", pnm);
printf("\tPRV: 0x%01x%01x ", prv_major, prv_minor);
printf("(%u.%u)\n", prv_major, prv_minor);
printf("\tPSN: 0x%08x\n", psn);
printf("\tMDT: 0x%01x%01x %u %s\n", mdt_month, mdt_year,
1997 + mdt_year, months[mdt_month]);
printf("\tCRC: 0x%02x\n", crc);
} else {
if (manufacturer)
printf("manufacturer: 0x%02x (%s) oid: 0x%01x\n",
mid, manufacturer, oid);
else
printf("manufacturer: 0x%02x (Unlisted) oid: 0x%01x\n", mid, oid);
printf("product: '%s' %u.%u\n", pnm, prv_major, prv_minor);
printf("serial: 0x%08x\n", psn);
printf("manufacturing date: %u %s\n", 1997 + mdt_year,
months[mdt_month]);
}
}
static void print_sd_csd(struct config *config, char *csd)
{
unsigned int csd_structure;
unsigned int taac_timevalue;
unsigned int taac_timeunit;
unsigned int nsac;
unsigned int tran_speed_timevalue;
unsigned int tran_speed_transferrateunit;
unsigned int ccc;
unsigned int read_bl_len;
unsigned int read_bl_partial;
unsigned int write_blk_misalign;
unsigned int read_blk_misalign;
unsigned int dsr_imp;
unsigned int c_size;
unsigned int vdd_r_curr_min;
unsigned int vdd_r_curr_max;
unsigned int vdd_w_curr_min;
unsigned int vdd_w_curr_max;
unsigned int c_size_mult;
unsigned int erase_blk_en;
unsigned int sector_size;
unsigned int wp_grp_size;
unsigned int wp_grp_enable;
unsigned int r2w_factor;
unsigned int write_bl_len;
unsigned int write_bl_partial;
unsigned int file_format_grp;
unsigned int copy;
unsigned int perm_write_protect;
unsigned int tmp_write_protect;
unsigned int file_format;
unsigned int crc;
unsigned int taac;
unsigned int tran_speed;
parse_bin(csd, "2u", &csd_structure);
if (csd_structure == 0) {
parse_bin(csd, "2u6r1r4u3u8u1r4u3u12u4u1u1u1u1u2r12u3u3u3u3u3u"
"1u7u7u1u2r3u4u1u5r1u1u1u1u2u2r7u1r",
NULL, &taac_timevalue, &taac_timeunit, &nsac,
&tran_speed_timevalue,
&tran_speed_transferrateunit, &ccc,
&read_bl_len, &read_bl_partial,
&write_blk_misalign, &read_blk_misalign,
&dsr_imp, &c_size, &vdd_r_curr_min,
&vdd_r_curr_max, &vdd_w_curr_min,
&vdd_w_curr_max, &c_size_mult, &erase_blk_en,
&sector_size, &wp_grp_size, &wp_grp_enable,
&r2w_factor, &write_bl_len, &write_bl_partial,
&file_format_grp, &copy, &perm_write_protect,
&tmp_write_protect, &file_format, &crc);
} else if (csd_structure == 1) {
parse_bin(csd, "2u6r1r4u3u8u1r4u3u12u4u1u1u1u1u6r22u1r1u7u7u1u"
"2r3u4u1u5r1u1u1u1u2u2r7u1r",
NULL, &taac_timevalue, &taac_timeunit, &nsac,
&tran_speed_timevalue,
&tran_speed_transferrateunit, &ccc,
&read_bl_len, &read_bl_partial,
&write_blk_misalign, &read_blk_misalign,
&dsr_imp, &c_size, &erase_blk_en, &sector_size,
&wp_grp_size, &wp_grp_enable, &r2w_factor,
&write_bl_len, &write_bl_partial,
&file_format_grp, &copy, &perm_write_protect,
&tmp_write_protect, &file_format, &crc);
vdd_r_curr_min = 0;
c_size_mult = 0;
} else {
printf("Unknown CSD structure: 0x%1x\n", csd_structure);
return;
}
taac = taac_timevalue << 3 | taac_timeunit;
tran_speed = tran_speed_timevalue << 3 | tran_speed_transferrateunit;
if (config->verbose) {
float value;
unsigned long long blocks = 0;
int block_size = 0;
unsigned long long memory_capacity;
printf("======SD/CSD======\n");
printf("\tCSD_STRUCTURE: %u\n", csd_structure);
printf("\tTAAC: 0x%02x (", taac);
switch (taac_timevalue) {
case 0x0:
value = 0.0f;
break;
case 0x1:
value = 1.0f;
break;
case 0x2:
value = 1.2f;
break;
case 0x3:
value = 1.3f;
break;
case 0x4:
value = 1.5f;
break;
case 0x5:
value = 2.0f;
break;
case 0x6:
value = 2.5f;
break;
case 0x7:
value = 3.0f;
break;
case 0x8:
value = 3.5f;
break;
case 0x9:
value = 4.0f;
break;
case 0xa:
value = 4.5f;
break;
case 0xb:
value = 5.0f;
break;
case 0xc:
value = 5.5f;
break;
case 0xd:
value = 6.0f;
break;
case 0xe:
value = 7.0f;
break;
case 0xf:
value = 8.0f;
break;
default:
value = 0.0f;
break;
}
switch (taac_timeunit) {
case 0x0:
printf("%.2fns)\n", value * 1.0f);
break;
case 0x1:
printf("%.2fns)\n", value * 10.0f);
break;
case 0x2:
printf("%.2fns)\n", value * 100.0f);
break;
case 0x3:
printf("%.2fus)\n", value * 1.0f);
break;
case 0x4:
printf("%.2fus)\n", value * 10.0f);
break;
case 0x5:
printf("%.2fus)\n", value * 100.0f);
break;
case 0x6:
printf("%.2fms)\n", value * 1.0f);
break;
case 0x7:
printf("%.2fms)\n", value * 10.0f);
break;
}
if (csd_structure == 1 && taac != 0x0e)
printf("Warn: Invalid TAAC (should be 0x0e)\n");
printf("\tNSAC: %u clocks\n", nsac);
if (csd_structure == 1 && nsac != 0x00)
printf("Warn: Invalid NSAC (should be 0x00)\n");
printf("\tTRAN_SPEED: 0x%02x (", tran_speed);
switch (tran_speed_timevalue) {
case 0x0:
value = 0.0f;
break;
case 0x1:
value = 1.0f;
break;
case 0x2:
value = 1.2f;
break;
case 0x3:
value = 1.3f;
break;
case 0x4:
value = 1.5f;
break;
case 0x5:
value = 2.0f;
break;
case 0x6:
value = 2.5f;
break;
case 0x7:
value = 3.0f;
break;
case 0x8:
value = 3.5f;
break;
case 0x9:
value = 4.0f;
break;
case 0xa:
value = 4.5f;
break;
case 0xb:
value = 5.0f;
break;
case 0xc:
value = 5.5f;
break;
case 0xd:
value = 6.0f;
break;
case 0xe:
value = 7.0f;
break;
case 0xf:
value = 8.0f;
break;
default:
value = 0.0f;
break;
}
switch (tran_speed_transferrateunit) {
case 0x0:
printf("%.2fkbit/s)\n", value * 100.0f);
break;
case 0x1:
printf("%.2fMbit/s)\n", value * 1.0f);
break;
case 0x2:
printf("%.2fMbit/s)\n", value * 10.0f);
break;
case 0x3:
printf("%.2fMbit/s)\n", value * 100.0f);
break;
default:
printf("reserved)\n");
break;
}
if (csd_structure == 0 &&
(tran_speed != 0x32 && tran_speed != 0x5a))
printf("Warn: Invalid TRAN_SPEED "
"(should be 0x32 or 0x5a)\n");
if (csd_structure == 1 && tran_speed != 0x32 &&
tran_speed != 0x5a && tran_speed != 0x0b &&
tran_speed != 0x2b)
printf("Warn: Invalid TRAN_SPEED "
"(should be 0x32, 0x5a, 0x0b or 0x2b\n");
printf("\tCCC: 0x%03x (class: ", ccc);
if (ccc & 0x800)
printf("11, ");
if (ccc & 0x400)
printf("10, ");
if (ccc & 0x200)
printf("9, ");
if (ccc & 0x100)
printf("8, ");
if (ccc & 0x080)
printf("7, ");
if (ccc & 0x040)
printf("6, ");
if (ccc & 0x020)
printf("5, ");
if (ccc & 0x010)
printf("4, ");
if (ccc & 0x008)
printf("3, ");
if (ccc & 0x004)
printf("2, ");
if (ccc & 0x002)
printf("1, ");
if (ccc & 0x001)
printf("0, ");
printf(" )\n");
if (csd_structure == 0 &&
(ccc != 0x5b5 && ccc != 0x7b5 && ccc != 0x5f5))
printf("Warn: Invalid CCC (should be 0x5b5, "
"0x7b5 or 0x5f5)\n");
else if (csd_structure == 1 && ccc != 0x5b5 && ccc != 0x7b5)
printf("Warn: Invalid CCC (should be 0x5b5 or 0x7b5)\n");
printf("\tREAD_BL_LEN: 0x%01x (", read_bl_len);
switch (read_bl_len) {
case 0x9:
printf("512 bytes)\n");
break;
case 0xa:
printf("1024 bytes)\n");
break;
case 0xb:
printf("2048 bytes)\n");
break;
default:
printf("reserved bytes)\n");
break;
}
if (csd_structure == 1 && read_bl_len != 0x9)
printf("Warn: Invalid READ_BL_LEN (should be 0x9)\n");
printf("\tREAD_BL_PARTIAL: 0x%01x\n", read_bl_partial);
if (csd_structure == 0 && read_bl_partial != 0x01)
printf("Warn: Invalid READ_BL_PARTIAL (should be 0x01)\n");
else if (csd_structure == 1 && read_bl_partial != 0x00)
printf("Warn: Invalid READ_BL_PARTIAL (should be 0x00)\n");
printf("\tWRITE_BLK_MISALIGN: 0x%01x\n", write_blk_misalign);
if (csd_structure == 1 && write_blk_misalign != 0x00)
printf("Warn: Invalid WRITE_BLK_MISALIGN (should be 0x00)\n");
printf("\tREAD_BLK_MISALIGN: 0x%01x\n", read_blk_misalign);
if (csd_structure == 1 && read_blk_misalign != 0x00)
printf("Warn: Invalid READ_BLK_MISALIGN (should be 0x00)\n");
printf("\tDSR_IMP: 0x%01x\n", dsr_imp);
if (csd_structure == 0) {
int mult;
int blocknr;
int block_len;
printf("\tC_SIZE: 0x%03x\n", c_size);
printf("\tVDD_R_CURR_MIN: 0x%01x (", vdd_r_curr_min);
switch (vdd_r_curr_min) {
case 0x0:
printf("0.5mA)\n");
break;
case 0x1:
printf("1mA)\n");
break;
case 0x2:
printf("5mA)\n");
break;
case 0x3:
printf("10mA)\n");
break;
case 0x4:
printf("25mA)\n");
break;
case 0x5:
printf("35mA)\n");
break;
case 0x6:
printf("60mA)\n");
break;
case 0x7:
printf("100mA)\n");
break;
}
printf("\tVDD_R_CURR_MAX: 0x%01x (", vdd_r_curr_max);
switch (vdd_r_curr_max) {
case 0x0:
printf("1mA)\n");
break;
case 0x1:
printf("5mA)\n");
break;
case 0x2:
printf("10mA)\n");
break;
case 0x3:
printf("25mA)\n");
break;
case 0x4:
printf("35mA)\n");
break;
case 0x5:
printf("45mA)\n");
break;
case 0x6:
printf("80mA)\n");
break;
case 0x7:
printf("200mA)\n");
break;
}
printf("\tVDD_W_CURR_MIN: 0x%01x (", vdd_w_curr_min);
switch (vdd_w_curr_min) {
case 0x0:
printf("0.5mA)\n");
break;
case 0x1:
printf("1mA)\n");
break;
case 0x2:
printf("5mA)\n");
break;
case 0x3:
printf("10mA)\n");
break;
case 0x4:
printf("25mA)\n");
break;
case 0x5:
printf("35mA)\n");
break;
case 0x6:
printf("60mA)\n");
break;
case 0x7:
printf("100mA)\n");
break;
}
printf("\tVDD_W_CURR_MAX: 0x%01x (", vdd_w_curr_max);
switch (vdd_w_curr_max) {
case 0x0:
printf("1mA)\n");
break;
case 0x1:
printf("5mA)\n");
break;
case 0x2:
printf("10mA)\n");
break;
case 0x3:
printf("25mA)\n");
break;
case 0x4:
printf("35mA)\n");
break;
case 0x5:
printf("45mA)\n");
break;
case 0x6:
printf("80mA)\n");
break;
case 0x7:
printf("200mA)\n");
break;
}
printf("\tC_SIZE_MULT: 0x%01x\n", c_size_mult);
mult = 1 << (c_size_mult + 2);
blocknr = (c_size + 1) * mult;
block_len = 1 << read_bl_len;
blocks = blocknr;
block_size = block_len;
} else if (csd_structure == 1) {
printf("\tC_SIZE: 0x%06x\n", c_size);
printf("\tERASE_BLK_EN: 0x%01x\n", erase_blk_en);
if (erase_blk_en != 0x01)
printf("Warn: Invalid ERASE_BLK_EN (should be 0x01)\n");
printf("\tSECTOR_SIZE: 0x%02x (Erasable sector: %u blocks)\n",
sector_size, sector_size + 1);
if (sector_size != 0x7f)
printf("Warn: Invalid SECTOR_SIZE (should be 0x7f)\n");
printf("\tWP_GRP_SIZE: 0x%02x (Write protect group: %u blocks)\n",
wp_grp_size, wp_grp_size + 1);
if (wp_grp_size != 0x00)
printf("Warn: Invalid WP_GRP_SIZE (should be 0x00)\n");
printf("\tWP_GRP_ENABLE: 0x%01x\n", wp_grp_enable);
if (wp_grp_enable != 0x00)
printf("Warn: Invalid WP_GRP_ENABLE (should be 0x00)\n");
printf("\tR2W_FACTOR: 0x%01x (Write %u times read)\n",
r2w_factor, r2w_factor);
if (r2w_factor != 0x02)
printf("Warn: Invalid R2W_FACTOR (should be 0x02)\n");
printf("\tWRITE_BL_LEN: 0x%01x (", write_bl_len);
switch (write_bl_len) {
case 9:
printf("512 bytes)\n");
break;
case 10:
printf("1024 bytes)\n");
break;
case 11:
printf("2048 bytes)\n");
break;
default:
printf("reserved)\n");
break;
}
if (write_bl_len != 0x09)
printf("Warn: Invalid WRITE_BL_LEN (should be 0x09)\n");
printf("\tWRITE_BL_PARTIAL: 0x%01x\n", write_bl_partial);
if (write_bl_partial != 0x00)
printf("Warn: Invalid WRITE_BL_PARTIAL (should be 0x00)\n");
printf("\tFILE_FORMAT_GRP: 0x%01x\n", file_format_grp);
if (file_format_grp != 0x00)
printf("Warn: Invalid FILE_FORMAT_GRP (should be 0x00)\n");
printf("\tCOPY: 0x%01x\n", copy);
printf("\tPERM_WRITE_PROTECT: 0x%01x\n",
perm_write_protect);
printf("\tTMP_WRITE_PROTECT: 0x%01x\n",
tmp_write_protect);
printf("\tFILE_FORMAT: 0x%01x (",
file_format);
if (file_format_grp == 1) {
printf("reserved)\n");
} else {
switch (file_format) {
case 0:
printf("partition table)\n");
break;
case 1:
printf("no partition table)\n");
break;
case 2:
printf("Universal File Format)\n");
break;
case 3:
printf("Others/unknown)\n");
break;
}
}
if (file_format != 0x00)
printf("Warn: Invalid FILE_FORMAT (should be 0x00)\n");
printf("\tCRC: 0x%01x\n", crc);
memory_capacity = (c_size + 1) * 512ull * 1024ull;
block_size = 512;
blocks = memory_capacity / block_size;
}
memory_capacity = blocks * block_size;
printf("\tCAPACITY: ");
if (memory_capacity / (1024ull * 1024ull * 1024ull) > 0)
printf("%.2fGbyte",
memory_capacity / (1024.0 * 1024.0 * 1024.0));
else if (memory_capacity / (1024ull * 1024ull) > 0)
printf("%.2fMbyte", memory_capacity / (1024.0 * 1024.0));
else if (memory_capacity / (1024ull) > 0)
printf("%.2fKbyte", memory_capacity / (1024.0));
else
printf("%.2fbyte", memory_capacity * 1.0);
printf(" (%llu bytes, %llu sectors, %d bytes each)\n",
memory_capacity, blocks, block_size);
} else {
unsigned long long blocks = 0;
int block_size = 0;
unsigned long long memory_capacity;
printf("card classes: ");
if (ccc & 0x800)
printf("11 extension, ");
if (ccc & 0x400)
printf("10 switch, ");
if (ccc & 0x200)
printf("9 I/O mode, ");
if (ccc & 0x100)
printf("8 application specific, ");
if (ccc & 0x080)
printf("7 lock card, ");
if (ccc & 0x040)
printf("6 write protection, ");
if (ccc & 0x020)
printf("5 erase, ");
if (ccc & 0x010)
printf("4 block write, ");
if (ccc & 0x008)
printf("3 reserved, ");
if (ccc & 0x004)
printf("2 block read, ");
if (ccc & 0x002)
printf("1 reserved, ");
if (ccc & 0x001)
printf("0 basic, ");
printf("\b\b\n");
if (csd_structure == 0) {
int mult;
int blocknr;
int block_len;
mult = 1 << (c_size_mult + 2);
blocknr = (c_size + 1) * mult;
block_len = 1 << read_bl_len;
blocks = blocknr;
block_size = block_len;
} else if (csd_structure == 1) {
memory_capacity = (c_size + 1) * 512ull * 1024ull;
block_size = 512;
blocks = memory_capacity / block_size;
}
memory_capacity = blocks * block_size;
printf("capacity: ");
if (memory_capacity / (1024ull * 1024ull * 1024ull) > 0)
printf("%.2fGbyte",
memory_capacity / (1024.0 * 1024.0 * 1024.0));
else if (memory_capacity / (1024ull * 1024ull) > 0)
printf("%.2fMbyte", memory_capacity / (1024.0 * 1024.0));
else if (memory_capacity / (1024ull) > 0)
printf("%.2fKbyte", memory_capacity / (1024.0));
else
printf("%.2fbyte", memory_capacity * 1.0);
printf(" (%llu bytes, %llu sectors, %d bytes each)\n",
memory_capacity, blocks, block_size);
}
}
static void print_mmc_csd_structure(unsigned int csd_structure)
{
printf("\tCSD_STRUCTURE: 0x%01x (", csd_structure);
switch (csd_structure) {
case 0x0:
printf("v1.0)\n");
break;
case 0x1:
printf("v1.1)\n");
break;
case 0x2:
printf("v1.2)\n");
break;
case 0x3:
printf("version in ext_csd)\n");
break;
}
}
static void print_mmc_csd_spec_ver(unsigned int spec_vers)
{
printf("\tSPEC_VERS: 0x%01x (", spec_vers);
switch (spec_vers) {
case 0x0:
printf("v1.0-v1.2)\n");
break;
case 0x1:
printf("v1.4)\n");
break;
case 0x2:
printf("v2.0-v2.2)\n");
break;
case 0x3:
printf("v3.1-v3.31)\n");
break;
case 0x4:
printf("v4.0-v4.3)\n");
break;
default:
printf("reserved)\n");
break;
}
}
static void
print_mmc_csd_taac(unsigned int taac_timevalue, unsigned int taac_timeunit)
{
float value;
unsigned int taac = taac_timevalue << 3 | taac_timeunit;
printf("\tTAAC: 0x%02x (", taac);
switch (taac_timevalue) {
case 0x0:
value = 0.0f;
break;
case 0x1:
value = 1.0f;
break;
case 0x2:
value = 1.2f;
break;
case 0x3:
value = 1.3f;
break;
case 0x4:
value = 1.5f;
break;
case 0x5:
value = 2.0f;
break;
case 0x6:
value = 2.5f;
break;
case 0x7:
value = 3.0f;
break;
case 0x8:
value = 3.5f;
break;
case 0x9:
value = 4.0f;
break;
case 0xa:
value = 4.5f;
break;
case 0xb:
value = 5.0f;
break;
case 0xc:
value = 5.5f;
break;
case 0xd:
value = 6.0f;
break;
case 0xe:
value = 7.0f;
break;
case 0xf:
value = 8.0f;
break;
default:
value = 0.0f;
break;
}
switch (taac_timeunit) {
case 0x0:
printf("%.2fns)\n", value * 1.0f);
break;
case 0x1:
printf("%.2fns)\n", value * 10.0f);
break;
case 0x2:
printf("%.2fns)\n", value * 100.0f);
break;
case 0x3:
printf("%.2fus)\n", value * 1.0f);
break;
case 0x4:
printf("%.2fus)\n", value * 10.0f);
break;
case 0x5:
printf("%.2fus)\n", value * 100.0f);
break;
case 0x6:
printf("%.2fms)\n", value * 1.0f);
break;
case 0x7:
printf("%.2fms)\n", value * 10.0f);
break;
}
}
static void print_mmc_csd_nsac(unsigned int nsac, unsigned int tran_speed_timevalue,
unsigned int tran_speed_transferrateunit)
{
float value;
unsigned int tran_speed = tran_speed_timevalue << 3 | tran_speed_transferrateunit;
printf("\tNSAC: %u clocks\n", nsac);
printf("\tTRAN_SPEED: 0x%02x (", tran_speed);
switch (tran_speed_timevalue) {
case 0x0:
value = 0.0f;
break;
case 0x1:
value = 1.0f;
break;
case 0x2:
value = 1.2f;
break;
case 0x3:
value = 1.3f;
break;
case 0x4:
value = 1.5f;
break;
case 0x5:
value = 2.0f;
break;
case 0x6:
value = 2.6f;
break;
case 0x7:
value = 3.0f;
break;
case 0x8:
value = 3.5f;
break;
case 0x9:
value = 4.0f;
break;
case 0xa:
value = 4.5f;
break;
case 0xb:
value = 5.2f;
break;
case 0xc:
value = 5.5f;
break;
case 0xd:
value = 6.0f;
break;
case 0xe:
value = 7.0f;
break;
case 0xf:
value = 8.0f;
break;
default:
value = 0.0f;
break;
}
switch (tran_speed_transferrateunit) {
case 0x0:
printf("%.2fKHz/s)\n", value * 100.0f);
break;
case 0x1:
printf("%.2fMHz/s)\n", value * 1.0f);
break;
case 0x2:
printf("%.2fMHz/s)\n", value * 10.0f);
break;
case 0x3:
printf("%.2fMHz/s)\n", value * 100.0f);
break;
default:
printf("reserved)\n");
break;
}
}
static void print_mmc_csd_ccc(unsigned int ccc)
{
printf("\tCCC: 0x%03x (class: ", ccc);
if (ccc & 0x800)
printf("11, ");
if (ccc & 0x400)
printf("10, ");
if (ccc & 0x200)
printf("9, ");
if (ccc & 0x100)
printf("8, ");
if (ccc & 0x080)
printf("7, ");
if (ccc & 0x040)
printf("6, ");
if (ccc & 0x020)
printf("5, ");
if (ccc & 0x010)
printf("4, ");
if (ccc & 0x008)
printf("3, ");
if (ccc & 0x004)
printf("2, ");
if (ccc & 0x002)
printf("1, ");
if (ccc & 0x001)
printf("0, ");
printf(" )\n");
}
static void print_mmc_csd_read_bl_len(unsigned int read_bl_len)
{
printf("\tREAD_BL_LEN: 0x%01x (", read_bl_len);
switch (read_bl_len) {
case 0x0:
printf("1 byte)\n");
break;
case 0x1:
printf("2 byte)\n");
break;
case 0x2:
printf("4 byte)\n");
break;
case 0x3:
printf("8 byte)\n");
break;
case 0x4:
printf("16 byte)\n");
break;
case 0x5:
printf("32 byte)\n");
break;
case 0x6:
printf("64 byte)\n");
break;
case 0x7:
printf("128 byte)\n");
break;
case 0x8:
printf("256 byte)\n");
break;
case 0x9:
printf("512 bytes)\n");
break;
case 0xa:
printf("1024 bytes)\n");
break;
case 0xb:
printf("2048 bytes)\n");
break;
case 0xc:
printf("4096 bytes)\n");
break;
case 0xd:
printf("8192 bytes)\n");
break;
case 0xe:
printf("16K bytes)\n");
break;
default:
printf("reserved bytes)\n");
break;
}
}
static void print_mmc_csd_read_bl_partial(unsigned int read_bl_partial)
{
printf("\tREAD_BL_PARTIAL: 0x%01x (", read_bl_partial);
switch (read_bl_partial) {
case 0x0:
printf("only 512 byte and READ_BL_LEN block size)\n");
break;
case 0x1:
printf("less than READ_BL_LEN block size can be used)\n");
break;
}
}
static void print_mmc_csd_write_blk_misalign(unsigned int write_blk_misalign)
{
printf("\tWRITE_BLK_MISALIGN: 0x%01x (", write_blk_misalign);
switch (write_blk_misalign) {
case 0x0:
printf("writes across block boundaries are invalid)\n");
break;
case 0x1:
printf("writes across block boundaries are allowed)\n");
break;
}
}
static void print_mmc_csd_read_blk_misalign(unsigned int read_blk_misalign)
{
printf("\tREAD_BLK_MISALIGN: 0x%01x (", read_blk_misalign);
switch (read_blk_misalign) {
case 0x0:
printf("reads across block boundaries are invalid)\n");
break;
case 0x1:
printf("reads across block boundaries are allowed)\n");
break;
}
}
static void print_mmc_csd_dsr_imp(unsigned int dsr_imp)
{
printf("\tDSR_IMP: 0x%01x (", dsr_imp);
switch (dsr_imp) {
case 0x0:
printf("configurable driver stage not available)\n");
break;
case 0x1:
printf("configurable driver state available)\n");
break;
}
}
static void print_mmc_csd_vdd(unsigned int vdd_r_curr_min, unsigned int vdd_r_curr_max,
unsigned int vdd_w_curr_min, unsigned int vdd_w_curr_max)
{
printf("\tVDD_R_CURR_MIN: 0x%01x (", vdd_r_curr_min);
switch (vdd_r_curr_min) {
case 0x0:
printf("0.5mA)\n");
break;
case 0x1:
printf("1mA)\n");
break;
case 0x2:
printf("5mA)\n");
break;
case 0x3:
printf("10mA)\n");
break;
case 0x4:
printf("25mA)\n");
break;
case 0x5:
printf("35mA)\n");
break;
case 0x6:
printf("60mA)\n");
break;
case 0x7:
printf("100mA)\n");
break;
}
printf("\tVDD_R_CURR_MAX: 0x%01x (", vdd_r_curr_max);
switch (vdd_r_curr_max) {
case 0x0:
printf("1mA)\n");
break;
case 0x1:
printf("5mA)\n");
break;
case 0x2:
printf("10mA)\n");
break;
case 0x3:
printf("25mA)\n");
break;
case 0x4:
printf("35mA)\n");
break;
case 0x5:
printf("45mA)\n");
break;
case 0x6:
printf("80mA)\n");
break;
case 0x7:
printf("200mA)\n");
break;
}
printf("\tVDD_W_CURR_MIN: 0x%01x (", vdd_w_curr_min);
switch (vdd_w_curr_min) {
case 0x0:
printf("0.5mA)\n");
break;
case 0x1:
printf("1mA)\n");
break;
case 0x2:
printf("5mA)\n");
break;
case 0x3:
printf("10mA)\n");
break;
case 0x4:
printf("25mA)\n");
break;
case 0x5:
printf("35mA)\n");
break;
case 0x6:
printf("60mA)\n");
break;
case 0x7:
printf("100mA)\n");
break;
}
printf("\tVDD_W_CURR_MAX: 0x%01x (", vdd_w_curr_max);
switch (vdd_w_curr_max) {
case 0x0:
printf("1mA)\n");
break;
case 0x1:
printf("5mA)\n");
break;
case 0x2:
printf("10mA)\n");
break;
case 0x3:
printf("25mA)\n");
break;
case 0x4:
printf("35mA)\n");
break;
case 0x5:
printf("45mA)\n");
break;
case 0x6:
printf("80mA)\n");
break;
case 0x7:
printf("200mA)\n");
break;
}
}
static void print_mmc_csd_default_ecc(unsigned int default_ecc)
{
printf("\tDEFAULT_ECC: 0x%01x (", default_ecc);
switch (default_ecc) {
case 0:
printf("none)\n");
break;
case 1:
printf("BCH)\n");
break;
default:
printf("reserved)\n");
break;
}
}
static void print_mmc_csd_write_bl_len(unsigned int write_bl_len)
{
printf("\tWRITE_BL_LEN: 0x%01x (", write_bl_len);
switch (write_bl_len) {
case 0x0:
printf("1 byte)\n");
break;
case 0x1:
printf("2 byte)\n");
break;
case 0x2:
printf("4 byte)\n");
break;
case 0x3:
printf("8 byte)\n");
break;
case 0x4:
printf("16 byte)\n");
break;
case 0x5:
printf("32 byte)\n");
break;
case 0x6:
printf("64 byte)\n");
break;
case 0x7:
printf("128 byte)\n");
break;
case 0x8:
printf("256 byte)\n");
break;
case 0x9:
printf("512 bytes)\n");
break;
case 0xa:
printf("1024 bytes)\n");
break;
case 0xb:
printf("2048 bytes)\n");
break;
case 0xc:
printf("4096 bytes)\n");
break;
case 0xd:
printf("8192 bytes)\n");
break;
case 0xe:
printf("16K bytes)\n");
break;
default:
printf("reserved bytes)\n");
break;
}
}
static void print_mmc_csd_write_bl_partial(unsigned int write_bl_partial)
{
printf("\tWRITE_BL_PARTIAL: 0x%01x (", write_bl_partial);
switch (write_bl_partial) {
case 0x0:
printf("only 512 byte and WRITE_BL_LEN block size)\n");
break;
case 0x1:
printf("less than WRITE_BL_LEN block size can be used)\n");
break;
}
}
static void print_mmc_csd_file_format(unsigned int file_format, unsigned int file_format_grp)
{
printf("\tFILE_FORMAT: 0x%01x (", file_format);
if (file_format != 0)
printf("Warn: Invalid FILE_FORMAT\n");
if (file_format_grp == 1) {
printf("reserved)\n");
} else {
switch (file_format) {
case 0:
printf("partition table)\n");
break;
case 1:
printf("no partition table)\n");
break;
case 2:
printf("Universal File Format)\n");
break;
case 3:
printf("Others/unknown)\n");
break;
}
}
}
static void print_mmc_csd_ecc(unsigned int ecc)
{
printf("\tECC: 0x%01x (", ecc);
switch (ecc) {
case 0:
printf("none)\n");
break;
case 1:
printf("BCH(542,512))\n");
break;
default:
printf("reserved)\n");
break;
}
}
static void print_mmc_csd_capacity(unsigned int c_size, unsigned int c_size_mult,
unsigned int read_bl_len)
{
int mult = 1 << (c_size_mult + 2);
unsigned long long blocknr = (c_size + 1) * mult;
int block_len = 1 << read_bl_len;
unsigned long long memory_capacity;
if (c_size == 0xfff)
return;
printf("\tC_SIZE: 0x%03x\n", c_size);
printf("\tC_SIZE_MULT: 0x%01x\n", c_size_mult);
memory_capacity = blocknr * block_len;
printf("\tCAPACITY: ");
if (memory_capacity / (1024ull * 1024ull * 1024ull) > 0)
printf("%.2fGbyte", memory_capacity / (1024.0 * 1024.0 * 1024.0));
else if (memory_capacity / (1024ull * 1024ull) > 0)
printf("%.2fMbyte", memory_capacity / (1024.0 * 1024.0));
else if (memory_capacity / (1024ull) > 0)
printf("%.2fKbyte", memory_capacity / (1024.0));
else
printf("%.2fbyte", memory_capacity * 1.0);
printf(" (%llu bytes, %llu sectors, %d bytes each)\n", memory_capacity, blocknr, block_len);
}
static void print_mmc_csd(struct config *config, char *csd)
{
unsigned int csd_structure, spec_vers, taac_timevalue, taac_timeunit, nsac;
unsigned int tran_speed_timevalue, tran_speed_transferrateunit, ccc, read_bl_len;
unsigned int read_bl_partial, write_blk_misalign, read_blk_misalign, dsr_imp;
unsigned int c_size, vdd_r_curr_min, vdd_r_curr_max, vdd_w_curr_min, vdd_w_curr_max;
unsigned int c_size_mult, erase_grp_size, erase_grp_mult, wp_grp_size, wp_grp_enable;
unsigned int default_ecc, r2w_factor, write_bl_len, write_bl_partial, content_prot_app;
unsigned int file_format_grp, copy, perm_write_protect, tmp_write_protect, file_format;
unsigned int ecc, crc;
parse_bin(csd, "2u4u2r1r4u3u8u1r4u3u12u4u1u1u1u1u2r12u3u3u3u3u3u"
"5u5u5u1u2u3u4u1u4r1u1u1u1u1u2u2u7u1r",
&csd_structure, &spec_vers, &taac_timevalue,
&taac_timeunit, &nsac, &tran_speed_timevalue,
&tran_speed_transferrateunit, &ccc, &read_bl_len,
&read_bl_partial, &write_blk_misalign,
&read_blk_misalign, &dsr_imp, &c_size,
&vdd_r_curr_min, &vdd_r_curr_max,
&vdd_w_curr_min, &vdd_w_curr_max, &c_size_mult,
&erase_grp_size, &erase_grp_mult, &wp_grp_size,
&wp_grp_enable, &default_ecc, &r2w_factor,
&write_bl_len, &write_bl_partial, &content_prot_app,
&file_format_grp, &copy, &perm_write_protect,
&tmp_write_protect, &file_format, &ecc, &crc);
if (config->verbose) {
printf("======MMC/CSD======\n");
print_mmc_csd_structure(csd_structure);
print_mmc_csd_spec_ver(spec_vers);
print_mmc_csd_taac(taac_timevalue, taac_timeunit);
print_mmc_csd_nsac(nsac, tran_speed_timevalue, tran_speed_transferrateunit);
print_mmc_csd_ccc(ccc);
print_mmc_csd_read_bl_len(read_bl_len);
print_mmc_csd_read_bl_partial(read_bl_partial);
print_mmc_csd_write_blk_misalign(write_blk_misalign);
print_mmc_csd_read_blk_misalign(read_blk_misalign);
print_mmc_csd_dsr_imp(dsr_imp);
print_mmc_csd_vdd(vdd_r_curr_min, vdd_r_curr_max, vdd_w_curr_min, vdd_w_curr_max);
printf("\tERASE_GRP_SIZE: 0x%02x\n", erase_grp_size);
printf("\tERASE_GRP_MULT: 0x%02x (%u write blocks/erase group)\n",
erase_grp_mult, (erase_grp_size + 1) *
(erase_grp_mult + 1));
printf("\tWP_GRP_SIZE: 0x%02x (%u blocks/write protect group)\n",
wp_grp_size, wp_grp_size + 1);
printf("\tWP_GRP_ENABLE: 0x%01x\n", wp_grp_enable);
print_mmc_csd_default_ecc(default_ecc);
printf("\tR2W_FACTOR: 0x%01x (Write %u times read)\n",
r2w_factor, r2w_factor);
print_mmc_csd_write_bl_len(write_bl_len);
print_mmc_csd_write_bl_partial(write_bl_partial);
printf("\tCONTENT_PROT_APP: 0x%01x\n", content_prot_app);
printf("\tFILE_FORMAT_GRP: 0x%01x\n", file_format_grp);
if (file_format_grp != 0)
printf("Warn: Invalid FILE_FORMAT_GRP\n");
printf("\tCOPY: 0x%01x\n", copy);
printf("\tPERM_WRITE_PROTECT: 0x%01x\n", perm_write_protect);
printf("\tTMP_WRITE_PROTECT: 0x%01x\n", tmp_write_protect);
print_mmc_csd_file_format(file_format, file_format_grp);
print_mmc_csd_ecc(ecc);
printf("\tCRC: 0x%01x\n", crc);
print_mmc_csd_capacity(c_size, c_size_mult, read_bl_len);
} else {
print_mmc_csd_spec_ver(spec_vers);
print_mmc_csd_ccc(ccc);
print_mmc_csd_capacity(c_size, c_size_mult, read_bl_len);
}
}
static void print_sd_scr(struct config *config, char *scr)
{
unsigned int scr_structure;
unsigned int sd_spec;
unsigned int data_stat_after_erase;
unsigned int sd_security;
unsigned int sd_bus_widths;
unsigned int sd_spec3;
unsigned int ex_security;
unsigned int cmd_support;
parse_bin(scr, "4u4u1u3u4u1u4u9r2u32r",
&scr_structure, &sd_spec, &data_stat_after_erase,
&sd_security, &sd_bus_widths, &sd_spec3,
&ex_security, &cmd_support);
if (config->verbose) {
printf("======SD/SCR======\n");
printf("\tSCR_STRUCTURE: 0x%01x (", scr_structure);
switch (scr_structure) {
case 0:
printf("SCR v1.0)\n");
break;
default:
printf("reserved)\n");
break;
}
printf("\tSD_SPEC: 0x%01x (", sd_spec);
switch (sd_spec) {
case 0:
printf("SD v1.0/1.01)\n");
break;
case 1:
printf("SD v1.10)\n");
break;
case 2:
printf("SD v2.00/v3.0x)\n");
break;
case 3:
printf("SD v4.00)\n");
break;
default:
printf("reserved)\n");
break;
}
printf("\tDATA_STAT_AFTER_ERASE: 0x%01x\n",
data_stat_after_erase);
printf("\tSD_SECURITY: 0x%01x (", sd_security);
switch (sd_security) {
case 0:
printf("no security)\n");
break;
case 1:
printf("not used)\n");
break;
case 2:
printf("SDSC card/security v1.01)\n");
break;
case 3:
printf("SDHC card/security v2.00)\n");
break;
case 4:
printf("SDXC card/security v3.xx)\n");
break;
default:
printf("reserved)\n");
break;
}
printf("\tSD_BUS_WIDTHS: 0x%01x (", sd_bus_widths);
if (BITS(sd_bus_widths, 2, 2))
printf("4bit, ");
if (BITS(sd_bus_widths, 0, 0))
printf("1bit, ");
printf(" bus)\n");
printf("\tSD_SPEC3: 0x%01x (", sd_spec3);
if (sd_spec >= 2) {
switch (sd_spec3) {
case 0:
printf("SD v2.00)\n");
break;
case 1:
printf("SD v3.0x)\n");
break;
}
} else {
printf("SD 1.xx)\n");
}
printf("\tEX_SECURITY: 0x%01x\n", ex_security);
printf("\tCMD_SUPPORT: 0x%01x (", cmd_support);
if (BITS(cmd_support, 1, 1))
printf("CMD23 ");
if (BITS(cmd_support, 0, 0))
printf("CMD20 ");
printf(" )\n");
} else {
printf("version: ");
switch (sd_spec) {
case 0:
printf("SD 1.0/1.01\n");
break;
case 1:
printf("SD 1.10\n");
break;
case 2:
switch (sd_spec3) {
case 0:
printf("SD 2.00\n");
break;
case 1:
printf("SD 3.0x\n");
break;
default:
printf("unknown\n");
break;
}
break;
case 3:
printf("SD 4.00\n");
break;
default:
printf("unknown\n");
break;
}
printf("bus widths: ");
if (BITS(sd_bus_widths, 2, 2))
printf("4bit, ");
if (BITS(sd_bus_widths, 0, 0))
printf("1bit, ");
printf("\b\b\n");
}
}
static int process_dir(struct config *config, enum REG_TYPE reg)
{
char *type = NULL;
char *reg_content = NULL;
int ret = 0;
if (chdir(config->dir) < 0) {
fprintf(stderr,
"MMC/SD information directory '%s' does not exist.\n",
config->dir);
return -1;
}
type = read_file("type");
if (!type) {
fprintf(stderr,
"Could not read card interface type in directory '%s'.\n",
config->dir);
return -1;
}
if (strcmp(type, "MMC") && strcmp(type, "SD")) {
fprintf(stderr, "Unknown type: '%s'\n", type);
ret = -1;
goto err;
}
config->bus = strcmp(type, "MMC") ? SD : MMC;
switch (reg) {
case CID:
reg_content = read_file("cid");
if (!reg_content) {
fprintf(stderr,
"Could not read card identity in directory '%s'.\n",
config->dir);
ret = -1;
goto err;
}
if (config->bus == SD)
print_sd_cid(config, reg_content);
else
print_mmc_cid(config, reg_content);
break;
case CSD:
reg_content = read_file("csd");
if (!reg_content) {
fprintf(stderr,
"Could not read card specific data in "
"directory '%s'.\n", config->dir);
ret = -1;
goto err;
}
if (config->bus == SD)
print_sd_csd(config, reg_content);
else
print_mmc_csd(config, reg_content);
break;
case SCR:
if (!strcmp(type, "SD")) {
reg_content = read_file("scr");
if (!reg_content) {
fprintf(stderr, "Could not read SD card "
"configuration in directory '%s'.\n",
config->dir);
ret = -1;
goto err;
}
}
print_sd_scr(config, reg_content);
break;
default:
goto err;
}
err:
free(reg_content);
free(type);
return ret;
}
static int do_read_reg(int argc, char **argv, enum REG_TYPE reg)
{
struct config cfg = {};
int ret;
ret = parse_opts(argc, argv, &cfg);
if (ret)
return ret;
if (cfg.dir)
ret = process_dir(&cfg, reg);
free(cfg.dir);
return ret;
}
int do_read_csd(int argc, char **argv)
{
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: Print CSD data from <device path>.\n");
exit(1);
}
return do_read_reg(argc, argv, CSD);
}
int do_read_cid(int argc, char **argv)
{
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: Print CID data from <device path>.\n");
exit(1);
}
return do_read_reg(argc, argv, CID);
}
int do_read_scr(int argc, char **argv)
{
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: Print SCR data from <device path>.\n");
exit(1);
}
return do_read_reg(argc, argv, SCR);
}