static int s3c_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct s3c_fb_win *win = info->par; struct s3c_fb *sfb = win->parent; unsigned int val; dev_dbg(sfb->dev, "%s: win %d: %d => rgb=%d/%d/%d\n", __func__, win->index, regno, red, green, blue); pm_runtime_get_sync(sfb->dev); switch (info->fix.visual) { case FB_VISUAL_TRUECOLOR: if (regno < 16) { u32 *pal = info->pseudo_palette; val = chan_to_field(red, &info->var.red); val |= chan_to_field(green, &info->var.green); val |= chan_to_field(blue, &info->var.blue); pal[regno] = val; } break; case FB_VISUAL_PSEUDOCOLOR: if (regno < win->variant.palette_sz) { val = chan_to_field(red, &win->palette.r); val |= chan_to_field(green, &win->palette.g); val |= chan_to_field(blue, &win->palette.b); s3c_fb_update_palette(sfb, win, regno, val); } break; default: pm_runtime_put_sync(sfb->dev); return 1; } pm_runtime_put_sync(sfb->dev); return 0; }
/** * s3c_fb_setcolreg() - framebuffer layer request to change palette. * @regno: The palette index to change. * @red: The red field for the palette data. * @green: The green field for the palette data. * @blue: The blue field for the palette data. * @trans: The transparency (alpha) field for the palette data. * @info: The framebuffer being changed. */ static int s3c_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct s3c_fb_win *win = info->par; struct s3c_fb *sfb = win->parent; unsigned int val; dev_dbg(sfb->dev, "%s: win %d: %d => rgb=%d/%d/%d\n", __func__, win->index, regno, red, green, blue); switch (info->fix.visual) { case FB_VISUAL_TRUECOLOR: /* true-colour, use pseudo-palette */ if (regno < 16) { u32 *pal = info->pseudo_palette; val = chan_to_field(red, &info->var.red); val |= chan_to_field(green, &info->var.green); val |= chan_to_field(blue, &info->var.blue); pal[regno] = val; } break; case FB_VISUAL_PSEUDOCOLOR: if (regno < s3c_fb_win_pal_size(win->index)) { val = chan_to_field(red, &win->palette.r); val |= chan_to_field(green, &win->palette.g); val |= chan_to_field(blue, &win->palette.b); s3c_fb_update_palette(sfb, win, regno, val); } break; default: return 1; /* unknown type */ } return 0; }