omap2/omapfb/omapfb-main.c

49 static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi);
54 static void draw_pixel(struct fb_info *fbi, int x, int y, unsigned color)
56 	struct fb_var_screeninfo *var = &fbi->var;
57 	struct fb_fix_screeninfo *fix = &fbi->fix;
58 	void __iomem *addr = fbi->screen_base;
89 static void fill_fb(struct fb_info *fbi)
91 	struct fb_var_screeninfo *var = &fbi->var;
94 	void __iomem *addr = fbi->screen_base;
100 	DBG("fill_fb %dx%d, line_len %d bytes\n", w, h, fbi->fix.line_length);
105 				draw_pixel(fbi, x, y, 0xffffff);
107 				draw_pixel(fbi, x, y, 0xff);
109 				draw_pixel(fbi, x, y, 0xff00);
111 				draw_pixel(fbi, x, y, 0xff0000);
113 				draw_pixel(fbi, x, y, 0xffff00);
116 				draw_pixel(fbi, x, y, 0xffffff);
118 				draw_pixel(fbi, x, y, 0xff00ff);
120 				draw_pixel(fbi, x, y, 0x00ffff);
141 				draw_pixel(fbi, x, y, c);
143 				draw_pixel(fbi, x, y, 0);
490 static int setup_vrfb_rotation(struct fb_info *fbi)
492 	struct omapfb_info *ofbi = FB2OFB(fbi);
495 	struct fb_var_screeninfo *var = &fbi->var;
496 	struct fb_fix_screeninfo *fix = &fbi->fix;
532 		fbi->screen_base = NULL;
554 	fbi->screen_base = ofbi->region->vrfb.vaddr[0];
590 void set_fb_fix(struct fb_info *fbi)
592 	struct fb_fix_screeninfo *fix = &fbi->fix;
593 	struct fb_var_screeninfo *var = &fbi->var;
594 	struct omapfb_info *ofbi = FB2OFB(fbi);
600 	fbi->screen_base = (char __iomem *)omapfb_get_region_vaddr(ofbi);
654 int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
656 	struct omapfb_info *ofbi = FB2OFB(fbi);
657 	struct omap_dss_device *display = fb2display(fbi);
750 static int omapfb_open(struct fb_info *fbi, int user)
755 static int omapfb_release(struct fb_info *fbi, int user)
831 int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
835 	struct omapfb_info *ofbi = FB2OFB(fbi);
836 	struct fb_var_screeninfo *var = &fbi->var;
837 	struct fb_fix_screeninfo *fix = &fbi->fix;
926 int omapfb_apply_changes(struct fb_info *fbi, int init)
929 	struct omapfb_info *ofbi = FB2OFB(fbi);
930 	struct fb_var_screeninfo *var = &fbi->var;
938 		fill_fb(fbi);
983 		r = omapfb_setup_overlay(fbi, ovl, posx, posy, outw, outh);
998 static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi)
1000 	struct omapfb_info *ofbi = FB2OFB(fbi);
1003 	DBG("check_var(%d)\n", FB2OFB(fbi)->id);
1007 	r = check_fb_var(fbi, var);
1015 static int omapfb_set_par(struct fb_info *fbi)
1017 	struct omapfb_info *ofbi = FB2OFB(fbi);
1020 	DBG("set_par(%d)\n", FB2OFB(fbi)->id);
1024 	set_fb_fix(fbi);
1026 	r = setup_vrfb_rotation(fbi);
1030 	r = omapfb_apply_changes(fbi, 0);
1039 		struct fb_info *fbi)
1041 	struct omapfb_info *ofbi = FB2OFB(fbi);
1045 	DBG("pan_display(%d)\n", FB2OFB(fbi)->id);
1047 	if (var->xoffset == fbi->var.xoffset &&
1048 	    var->yoffset == fbi->var.yoffset)
1051 	new_var = fbi->var;
1055 	fbi->var = new_var;
1059 	r = omapfb_apply_changes(fbi, 0);
1089 static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
1091 	struct omapfb_info *ofbi = FB2OFB(fbi);
1092 	struct fb_fix_screeninfo *fix = &fbi->fix;
1133 static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
1136 	/*struct omapfb_info *ofbi = FB2OFB(fbi);*/
1138 	struct fb_var_screeninfo *var = &fbi->var;
1172 			((u32 *)(fbi->pseudo_palette))[regno] = pal;
1215 static int omapfb_blank(int blank, struct fb_info *fbi)
1217 	struct omapfb_info *ofbi = FB2OFB(fbi);
1219 	struct omap_dss_device *display = fb2display(fbi);
1298 static void omapfb_free_fbmem(struct fb_info *fbi)
1300 	struct omapfb_info *ofbi = FB2OFB(fbi);
1331 static void clear_fb_info(struct fb_info *fbi)
1333 	memset(&fbi->var, 0, sizeof(fbi->var));
1334 	memset(&fbi->fix, 0, sizeof(fbi->fix));
1335 	strscpy(fbi->fix.id, MODULE_NAME, sizeof(fbi->fix.id));
1345 		struct fb_info *fbi = fbdev->fbs[i];
1346 		omapfb_free_fbmem(fbi);
1347 		clear_fb_info(fbi);
1353 static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
1356 	struct omapfb_info *ofbi = FB2OFB(fbi);
1417 static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
1420 	struct omapfb_info *ofbi = FB2OFB(fbi);
1425 	display =  fb2display(fbi);
1461 	return omapfb_alloc_fbmem(fbi, size, paddr);
1567 static void omapfb_clear_fb(struct fb_info *fbi)
1572 		.width = fbi->var.xres_virtual,
1573 		.height = fbi->var.yres_virtual,
1578 	cfb_fillrect(fbi, &rect);
1581 int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
1583 	struct omapfb_info *ofbi = FB2OFB(fbi);
1599 	omapfb_free_fbmem(fbi);
1602 		clear_fb_info(fbi);
1606 	r = omapfb_alloc_fbmem(fbi, size, 0);
1610 			omapfb_alloc_fbmem(fbi, old_size, old_paddr);
1613 			clear_fb_info(fbi);
1623 		r = omapfb_fb_init(fbdev, fbi);
1628 		r = omapfb_apply_changes(fbi, 1);
1635 		memcpy(&new_var, &fbi->var, sizeof(new_var));
1636 		r = check_fb_var(fbi, &new_var);
1639 		memcpy(&fbi->var, &new_var, sizeof(fbi->var));
1640 		set_fb_fix(fbi);
1641 		r = setup_vrfb_rotation(fbi);
1646 	omapfb_clear_fb(fbi);
1650 	omapfb_free_fbmem(fbi);
1651 	clear_fb_info(fbi);
1728 static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
1730 	struct fb_var_screeninfo *var = &fbi->var;
1731 	struct omap_dss_device *display = fb2display(fbi);
1732 	struct omapfb_info *ofbi = FB2OFB(fbi);
1735 	fbi->fbops = &omapfb_ops;
1736 	fbi->pseudo_palette = fbdev->pseudo_palette;
1739 		clear_fb_info(fbi);
1790 	r = check_fb_var(fbi, var);
1794 	set_fb_fix(fbi);
1795 	r = setup_vrfb_rotation(fbi);
1799 	r = fb_alloc_cmap(&fbi->cmap, 256, 0);
1807 static void fbinfo_cleanup(struct omapfb2_device *fbdev, struct fb_info *fbi)
1809 	fb_dealloc_cmap(&fbi->cmap);
1874 		struct fb_info *fbi;
1877 		fbi = framebuffer_alloc(sizeof(struct omapfb_info),
1879 		if (!fbi)
1882 		clear_fb_info(fbi);
1884 		fbdev->fbs[i] = fbi;
1886 		ofbi = FB2OFB(fbi);
1923 		struct fb_info *fbi = fbdev->fbs[i];
1924 		struct omapfb_info *ofbi = FB2OFB(fbi);
1927 		r = omapfb_fb_init(fbdev, fbi);
1937 		struct fb_info *fbi = fbdev->fbs[i];
1938 		struct omapfb_info *ofbi = FB2OFB(fbi);
1943 		omapfb_clear_fb(fbi);
1960 		struct fb_info *fbi = fbdev->fbs[i];
1961 		struct omapfb_info *ofbi = FB2OFB(fbi);
1964 		r = omapfb_apply_changes(fbi, 1);
2001 	struct fb_info *fbi;
2022 	fbi = NULL;
2026 	fbi = kzalloc(sizeof(*fbi), GFP_KERNEL);
2027 	if (fbi == NULL) {
2044 	fbi->fbops = fbops;
2046 	r = fb_find_mode(var, fbi, mode_str, NULL, 0, NULL, 24);
2091 	kfree(fbi);