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powerpc/ppc4xx: Consider gdsys FPGA OSD size 

OSD size was constant 32x16 characters.
Now the size is set as announced by the FPGA.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Dirk Eibach 2013-06-26 16:04:30 +02:00 committed by Stefan Roese
parent e50e8968d9
commit 0f0c1021d8
1 changed files with 18 additions and 16 deletions
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34
board/gdsys/common/osd.c
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@ -26,10 +26,6 @@
#define PIXCLK_640_480_60 25180000
#define BASE_WIDTH 32
#define BASE_HEIGHT 16
#define BUFSIZE (BASE_WIDTH * BASE_HEIGHT)
enum {
CH7301_CM = 0x1c, /* Clock Mode Register */
CH7301_IC = 0x1d, /* Input Clock Register */
@ -51,6 +47,11 @@ enum {
CH7301_DSP = 0x56, /* DVI Sync polarity Register */
};
unsigned int base_width;
unsigned int base_height;
size_t bufsize;
u16 *buf;
unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1;
#ifdef CONFIG_SYS_CH7301
@ -264,7 +265,7 @@ static int osd_write_videomem(unsigned screen, unsigned offset,
unsigned int k;
for (k = 0; k < charcount; ++k) {
if (offset + k >= BUFSIZE)
if (offset + k >= bufsize)
return -1;
FPGA_SET_REG(screen, videomem[offset + k], data[k]);
}
@ -283,7 +284,6 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
unsigned len;
u8 color;
unsigned int k;
u16 buf[BUFSIZE];
char *text;
int res;
@ -297,12 +297,12 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
color = simple_strtoul(argv[3], NULL, 16);
text = argv[4];
charcount = strlen(text);
len = (charcount > BUFSIZE) ? BUFSIZE : charcount;
len = (charcount > bufsize) ? bufsize : charcount;
for (k = 0; k < len; ++k)
buf[k] = (text[k] << 8) | color;
res = osd_write_videomem(screen, y * BASE_WIDTH + x, buf, len);
res = osd_write_videomem(screen, y * base_width + x, buf, len);
if (res < 0)
return res;
}
@ -314,8 +314,6 @@ int osd_probe(unsigned screen)
{
u16 version;
u16 features;
unsigned width;
unsigned height;
u8 value;
#ifdef CONFIG_SYS_CH7301
int old_bus = i2c_get_bus_num();
@ -324,11 +322,15 @@ int osd_probe(unsigned screen)
FPGA_GET_REG(0, osd.version, &version);
FPGA_GET_REG(0, osd.features, &features);
width = ((features & 0x3f00) >> 8) + 1;
height = (features & 0x001f) + 1;
base_width = ((features & 0x3f00) >> 8) + 1;
base_height = (features & 0x001f) + 1;
bufsize = base_width * base_height;
buf = malloc(sizeof(u16) * bufsize);
if (!buf)
return -1;
printf("OSD%d: Digital-OSD version %01d.%02d, %d" "x%d characters\n",
screen, version/100, version%100, width, height);
screen, version/100, version%100, base_width, base_height);
#ifdef CONFIG_SYS_CH7301
i2c_set_bus_num(ch7301_i2c[screen]);
@ -394,7 +396,7 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
unsigned x;
unsigned y;
unsigned k;
u16 buffer[BASE_WIDTH];
u16 buffer[base_width];
char *rp;
u16 *wp = buffer;
unsigned count = (argc > 4) ?
@ -419,13 +421,13 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
rp += 4;
wp++;
if (wp - buffer > BASE_WIDTH)
if (wp - buffer > base_width)
break;
}
for (k = 0; k < count; ++k) {
unsigned offset =
y * BASE_WIDTH + x + k * (wp - buffer);
y * base_width + x + k * (wp - buffer);
osd_write_videomem(screen, offset, buffer,
wp - buffer);
}