/* Set up GPIO for software I2C to program DVI chip in the
Xilinx SP605 board, in order to have video signal.
*/
- swI2CInit(0, 1);
+ swI2CInit(0, 1);
- /* Customer may NOT use CH7301 DVI chip, which has to be
- initialized differently.
- */
- if (swI2CReadReg(0xec, 0x4a) == 0x95)
- {
- /* The following register values for CH7301 are from
- Chrontel app note and our experiment.
- */
+ /* Customer may NOT use CH7301 DVI chip, which has to be
+ initialized differently.
+ */
+ if (swI2CReadReg(0xec, 0x4a) == 0x95)
+ {
+ /* The following register values for CH7301 are from
+ Chrontel app note and our experiment.
+ */
pr_info("yes,CH7301 DVI chip found\n");
- swI2CWriteReg(0xec, 0x1d, 0x16);
- swI2CWriteReg(0xec, 0x21, 0x9);
- swI2CWriteReg(0xec, 0x49, 0xC0);
+ swI2CWriteReg(0xec, 0x1d, 0x16);
+ swI2CWriteReg(0xec, 0x21, 0x9);
+ swI2CWriteReg(0xec, 0x49, 0xC0);
pr_info("okay,CH7301 DVI chip setup done\n");
- }
+ }
}
/* init 2d engine */
}
int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
- const struct fb_var_screeninfo *var,
- const struct fb_info *info)
+ const struct fb_var_screeninfo *var,
+ const struct fb_info *info)
{
- uint32_t total;
- /* check params */
- if ((var->xoffset + var->xres > var->xres_virtual) ||
- (var->yoffset + var->yres > var->yres_virtual)) {
- return -EINVAL;
- }
-
- total = var->yoffset * info->fix.line_length +
- ((var->xoffset * var->bits_per_pixel) >> 3);
- total += crtc->oScreen;
- if (crtc->channel == sm750_primary) {
- POKE32(PANEL_FB_ADDRESS,
- FIELD_VALUE(PEEK32(PANEL_FB_ADDRESS),
- PANEL_FB_ADDRESS, ADDRESS, total));
- } else {
- POKE32(CRT_FB_ADDRESS,
- FIELD_VALUE(PEEK32(CRT_FB_ADDRESS),
- CRT_FB_ADDRESS, ADDRESS, total));
- }
- return 0;
+ uint32_t total;
+ /* check params */
+ if ((var->xoffset + var->xres > var->xres_virtual) ||
+ (var->yoffset + var->yres > var->yres_virtual)) {
+ return -EINVAL;
+ }
+
+ total = var->yoffset * info->fix.line_length +
+ ((var->xoffset * var->bits_per_pixel) >> 3);
+ total += crtc->oScreen;
+ if (crtc->channel == sm750_primary) {
+ POKE32(PANEL_FB_ADDRESS,
+ FIELD_VALUE(PEEK32(PANEL_FB_ADDRESS),
+ PANEL_FB_ADDRESS, ADDRESS, total));
+ } else {
+ POKE32(CRT_FB_ADDRESS,
+ FIELD_VALUE(PEEK32(CRT_FB_ADDRESS),
+ CRT_FB_ADDRESS, ADDRESS, total));
+ }
+ return 0;
}