diff options
Diffstat (limited to 'commands')
| -rw-r--r-- | commands/Kconfig | 15 | ||||
| -rw-r--r-- | commands/Makefile | 1 | ||||
| -rw-r--r-- | commands/mipi_dbi.c | 104 |
3 files changed, 120 insertions, 0 deletions
diff --git a/commands/Kconfig b/commands/Kconfig index ba8ca5cdeb..caef1e8fb5 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -1969,6 +1969,21 @@ config CMD_SPI -w BIT bits per word (default 8) -v verbose +config CMD_MIPI_DBI + bool + depends on DRIVER_VIDEO_MIPI_DBI && SPI + select PRINTF_HEXSTR + prompt "mipi_dbi command" + help + write/read from MIPI DBI SPI device + + Usage: mipi_dbi [-wld] [REG] [DATA...] + + Options: + -l list all MIPI DBI devices + -d DEVICE select specific device (default is first registered) + -w issue write command + config CMD_LED_TRIGGER bool depends on LED_TRIGGERS diff --git a/commands/Makefile b/commands/Makefile index db78d0b877..fffb6d979e 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -67,6 +67,7 @@ obj-$(CONFIG_CMD_GPIO) += gpio.o obj-$(CONFIG_CMD_UNCOMPRESS) += uncompress.o obj-$(CONFIG_CMD_I2C) += i2c.o obj-$(CONFIG_CMD_SPI) += spi.o +obj-$(CONFIG_CMD_MIPI_DBI) += mipi_dbi.o obj-$(CONFIG_CMD_UBI) += ubi.o obj-$(CONFIG_CMD_UBIFORMAT) += ubiformat.o obj-$(CONFIG_CMD_MENU) += menu.o diff --git a/commands/mipi_dbi.c b/commands/mipi_dbi.c new file mode 100644 index 0000000000..b9b665b721 --- /dev/null +++ b/commands/mipi_dbi.c @@ -0,0 +1,104 @@ +// 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 |