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// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: © 2022 Ahmad Fatoum
#include <common.h>
#include <command.h>
#include <getopt.h>
#include <video/mipi_dbi.h>
#include <video/mipi_display.h>
static int mipi_dbi_command_show(struct mipi_dbi *dbi, int cmd)
{
u8 val[4];
int ret;
size_t len;
if (!mipi_dbi_command_is_read(dbi, cmd))
return -EACCES;
len = mipi_dbi_command_read_len(cmd);
printf("%02x: ", cmd);
ret = mipi_dbi_command_buf(dbi, cmd, val, len);
if (ret) {
printf("XX\n");
return ret;
}
printf("%*phN\n", (int)len, val);
return 0;
}
static int do_mipi_dbi(int argc, char *argv[])
{
struct mipi_dbi *dbi;
int opt, ret, i;
bool write = false;
u8 cmd, val[4];
dbi = list_first_entry_or_null(&mipi_dbi_list, struct mipi_dbi, list);
while ((opt = getopt(argc, argv, "wld:")) > 0) {
struct mipi_dbi *tmp;
switch (opt) {
case 'w':
write = true;
break;
case 'l':
list_for_each_entry(tmp, &mipi_dbi_list, list)
printf("%s\n", mipi_dbi_name(tmp));
return 0;
case 'd':
dbi = NULL;
list_for_each_entry(tmp, &mipi_dbi_list, list) {
if (!strcmp(optarg, mipi_dbi_name(tmp))) {
dbi = tmp;
break;
}
}
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (!dbi)
return -ENODEV;
if (optind == argc) {
for (cmd = 0; cmd < 255; cmd++)
mipi_dbi_command_show(dbi, cmd);
return 0;
}
ret = kstrtou8(argv[optind++], 16, &cmd);
if (ret < 0)
return ret;
if (optind == argc && !write)
return mipi_dbi_command_show(dbi, cmd);
for (i = optind; i < argc; i++) {
ret = kstrtou8(argv[optind + i], 16, &val[i]);
if (ret < 0)
return ret;
}
return mipi_dbi_command_buf(dbi, cmd, val, argc - optind);
}
BAREBOX_CMD_HELP_START(mipi_dbi)
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-l\t", "list all MIPI DBI devices")
BAREBOX_CMD_HELP_OPT ("-d DEVICE", "select specific device (default is first registered)")
BAREBOX_CMD_HELP_OPT ("-w", "issue write command")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(mipi_dbi)
.cmd = do_mipi_dbi,
BAREBOX_CMD_DESC("write/read from MIPI DBI SPI device")
BAREBOX_CMD_OPTS("[-wld] [REG] [DATA...]")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_HELP(cmd_mipi_dbi_help)
BAREBOX_CMD_END
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