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board: gdsys: Add osdsize command

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osdsize adjusts the gdsys IHS osd dimensions in characters.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
This commit is contained in:
Dirk Eibach 2015-10-28 11:46:37 +01:00 • committed by Tom Rini
parent 5c3b6dc1fb
commit da4833c7bf
1 changed files with 38 additions and 0 deletions
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38
board/gdsys/common/osd.c
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@ -27,6 +27,8 @@
#define DP501_I2C_ADDR 0x08
#define PIXCLK_640_480_60 25180000
#define MAX_X_CHARS 53
#define MAX_Y_CHARS 26
#ifdef CONFIG_SYS_OSD_DH
#define MAX_OSD_SCREEN 8
@ -464,6 +466,35 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
}
int osd_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned screen;
unsigned x;
unsigned y;
if (argc < 3) {
cmd_usage(cmdtp);
return 1;
}
x = simple_strtoul(argv[1], NULL, 16);
y = simple_strtoul(argv[2], NULL, 16);
if (!x || (x > 64) || (x > MAX_X_CHARS) ||
!y || (y > 32) || (y > MAX_Y_CHARS)) {
cmd_usage(cmdtp);
return 1;
}
for (screen = 0; screen < MAX_OSD_SCREEN; ++screen) {
OSD_SET_REG(screen, xy_size, ((x - 1) << 8) | (y - 1));
OSD_SET_REG(screen, x_pos, 32767 * (640 - 12 * x) / 65535);
OSD_SET_REG(screen, y_pos, 32767 * (480 - 18 * y) / 65535);
}
return 0;
}
U_BOOT_CMD(
osdw, 5, 0, osd_write,
"write 16-bit hex encoded buffer to osd memory",
@ -475,3 +506,10 @@ U_BOOT_CMD(
"write ASCII buffer to osd memory",
"pos_x pos_y color text\n"
);
U_BOOT_CMD(
osdsize, 3, 0, osd_size,
"set OSD XY size in characters",
"size_x(max. " __stringify(MAX_X_CHARS)
") size_y(max. " __stringify(MAX_Y_CHARS) ")\n"
);