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cmd/osd.c
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3bf65cb56 cmd: Add osd comm... |
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// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2017 * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc * * based on the gdsys osd driver, which is * * (C) Copyright 2010 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de */ #include <common.h> #include <dm.h> #include <hexdump.h> #include <video_osd.h> #include <malloc.h> /* Container for selected OSD device */ static struct udevice *osd_cur; /** * cmd_osd_set_osd_num() - Set the OSD selected for operation * * Set the OSD device, which will be used by all subsequent OSD commands. * * Devices are identified by their uclass sequence number (as listed by 'osd * show'). * * @osdnum: The OSD device to be selected, identified by its sequence number. * Return: 0 if OK, -ve on error */ static int cmd_osd_set_osd_num(unsigned int osdnum) { struct udevice *osd; int res; res = uclass_get_device_by_seq(UCLASS_VIDEO_OSD, osdnum, &osd); if (res) { printf("%s: No OSD %u (err = %d) ", __func__, osdnum, res); return res; } osd_cur = osd; return 0; } /** * osd_get_osd_cur() - Get the selected OSD device * * Get the OSD device that is used by all OSD commands. * * @osdp: Pointer to structure that will receive the currently selected OSD * device. * Return: 0 if OK, -ve on error */ static int osd_get_osd_cur(struct udevice **osdp) { if (!osd_cur) { puts("No osd selected "); return -ENODEV; } *osdp = osd_cur; return 0; } /** * show_osd() - Display information about a OSD device * * Display a device's ID (sequence number), and whether it is active (i.e. * probed) or not. * * @osd: OSD device to print information for */ static void show_osd(struct udevice *osd) { printf("OSD %d:\t%s", osd->req_seq, osd->name); if (device_active(osd)) printf(" (active %d)", osd->seq); printf(" "); } static int do_osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { uint x, y; uint count; char *hexstr; u8 *buffer; size_t buflen; int res; if (argc < 4 || (strlen(argv[3]) % 2)) return CMD_RET_USAGE; if (!osd_cur) { puts("No osd selected "); return CMD_RET_FAILURE; } x = simple_strtoul(argv[1], NULL, 16); y = simple_strtoul(argv[2], NULL, 16); hexstr = argv[3]; count = (argc > 4) ? simple_strtoul(argv[4], NULL, 16) : 1; buflen = strlen(hexstr) / 2; buffer = malloc(buflen); if (!buffer) { puts("Memory allocation failure "); return CMD_RET_FAILURE; } res = hex2bin(buffer, hexstr, buflen); if (res) { free(buffer); puts("Hexadecimal input contained invalid characters "); return CMD_RET_FAILURE; } res = video_osd_set_mem(osd_cur, x, y, buffer, buflen, count); if (res) { free(buffer); printf("%s: Could not write to video mem ", osd_cur->name); return CMD_RET_FAILURE; } free(buffer); return CMD_RET_SUCCESS; } static int do_osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { uint x, y; u8 color; char *text; int res; if (argc < 5) return CMD_RET_USAGE; if (!osd_cur) { puts("No osd selected "); return CMD_RET_FAILURE; } x = simple_strtoul(argv[1], NULL, 16); y = simple_strtoul(argv[2], NULL, 16); color = simple_strtoul(argv[3], NULL, 16); text = argv[4]; res = video_osd_print(osd_cur, x, y, color, text); if (res) { printf("Could not print string to osd %s ", osd_cur->name); return CMD_RET_FAILURE; } return CMD_RET_SUCCESS; } static int do_osd_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { uint x, y; int res; if (argc < 3) return CMD_RET_USAGE; if (!osd_cur) { puts("No osd selected "); return CMD_RET_FAILURE; } x = simple_strtoul(argv[1], NULL, 16); y = simple_strtoul(argv[2], NULL, 16); res = video_osd_set_size(osd_cur, x, y); if (res) { printf("Could not set size on osd %s ", osd_cur->name); return CMD_RET_FAILURE; } return CMD_RET_SUCCESS; } static int do_show_osd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct udevice *osd; if (argc == 1) { /* show all OSDs */ struct uclass *uc; int res; res = uclass_get(UCLASS_VIDEO_OSD, &uc); if (res) { printf("Error while getting OSD uclass (err=%d) ", res); return CMD_RET_FAILURE; } uclass_foreach_dev(osd, uc) show_osd(osd); } else { int i, res; /* show specific OSD */ i = simple_strtoul(argv[1], NULL, 10); res = uclass_get_device_by_seq(UCLASS_VIDEO_OSD, i, &osd); if (res) { printf("Invalid osd %d: err=%d ", i, res); return CMD_RET_FAILURE; } show_osd(osd); } return CMD_RET_SUCCESS; } static int do_osd_num(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int osd_no; int res = 0; if (argc == 1) { /* querying current setting */ struct udevice *osd; if (!osd_get_osd_cur(&osd)) osd_no = osd->seq; else osd_no = -1; printf("Current osd is %d ", osd_no); } else { osd_no = simple_strtoul(argv[1], NULL, 10); printf("Setting osd to %d ", osd_no); res = cmd_osd_set_osd_num(osd_no); if (res) printf("Failure changing osd number (err = %d) ", res); } return res ? CMD_RET_FAILURE : CMD_RET_SUCCESS; } static cmd_tbl_t cmd_osd_sub[] = { U_BOOT_CMD_MKENT(show, 1, 1, do_show_osd, "", ""), U_BOOT_CMD_MKENT(dev, 1, 1, do_osd_num, "", ""), U_BOOT_CMD_MKENT(write, 4, 1, do_osd_write, "", ""), U_BOOT_CMD_MKENT(print, 4, 1, do_osd_print, "", ""), U_BOOT_CMD_MKENT(size, 2, 1, do_osd_size, "", ""), }; static int do_osd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { cmd_tbl_t *c; if (argc < 2) return CMD_RET_USAGE; /* Strip off leading 'osd' command argument */ argc--; argv++; c = find_cmd_tbl(argv[0], &cmd_osd_sub[0], ARRAY_SIZE(cmd_osd_sub)); if (c) return c->cmd(cmdtp, flag, argc, argv); else return CMD_RET_USAGE; } static char osd_help_text[] = "show - show OSD info " "osd dev [dev] - show or set current OSD " "write [pos_x] [pos_y] [buffer] [count] - write 8-bit hex encoded buffer to osd memory at a given position " "print [pos_x] [pos_y] [color] [text] - write ASCII buffer (given by text data and driver-specific color information) to osd memory " "size [size_x] [size_y] - set OSD XY size in characters "; U_BOOT_CMD( osd, 6, 1, do_osd, "OSD sub-system", osd_help_text ); |