diff options
Diffstat (limited to 'board/gdsys/common/osd.c')
| -rw-r--r-- | board/gdsys/common/osd.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c index b288df894a..a774bec301 100644 --- a/board/gdsys/common/osd.c +++ b/board/gdsys/common/osd.c @@ -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" +); |