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hc
2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/video/console/sticore.c
....@@ -1,9 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  *  linux/drivers/video/console/sticore.c -
34  *	core code for console driver using HP's STI firmware
45  *
56  *	Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
6
- *	Copyright (C) 2001-2013 Helge Deller <deller@gmx.de>
7
+ *	Copyright (C) 2001-2020 Helge Deller <deller@gmx.de>
78  *	Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
89  * 
910  * TODO:
....@@ -12,6 +13,8 @@
1213  * - try to make it work on m68k hp workstations ;)
1314  * 
1415  */
16
+
17
+#define pr_fmt(fmt) "%s: " fmt, KBUILD_MODNAME
1518 
1619 #include <linux/module.h>
1720 #include <linux/types.h>
....@@ -27,6 +30,7 @@
2730 #include <asm/pdc.h>
2831 #include <asm/cacheflush.h>
2932 #include <asm/grfioctl.h>
33
+#include <asm/fb.h>
3034 
3135 #include "../fbdev/sticore.h"
3236 
....@@ -132,16 +136,17 @@
132136 };
133137 
134138 void
135
-sti_putc(struct sti_struct *sti, int c, int y, int x)
139
+sti_putc(struct sti_struct *sti, int c, int y, int x,
140
+	 struct sti_cooked_font *font)
136141 {
137142 	struct sti_font_inptr *inptr = &sti->sti_data->font_inptr;
138143 	struct sti_font_inptr inptr_default = {
139
-		.font_start_addr= STI_PTR(sti->font->raw),
144
+		.font_start_addr = STI_PTR(font->raw),
140145 		.index		= c_index(sti, c),
141146 		.fg_color	= c_fg(sti, c),
142147 		.bg_color	= c_bg(sti, c),
143
-		.dest_x		= x * sti->font_width,
144
-		.dest_y		= y * sti->font_height,
148
+		.dest_x		= x * font->width,
149
+		.dest_y		= y * font->height,
145150 	};
146151 	struct sti_font_outptr *outptr = &sti->sti_data->font_outptr;
147152 	s32 ret;
....@@ -192,18 +197,18 @@
192197 
193198 void
194199 sti_clear(struct sti_struct *sti, int src_y, int src_x,
195
-	  int height, int width, int c)
200
+	  int height, int width, int c, struct sti_cooked_font *font)
196201 {
197202 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;
198203 	struct sti_blkmv_inptr inptr_default = {
199204 		.fg_color	= c_fg(sti, c),
200205 		.bg_color	= c_bg(sti, c),
201
-		.src_x		= src_x * sti->font_width,
202
-		.src_y		= src_y * sti->font_height,
203
-		.dest_x		= src_x * sti->font_width,
204
-		.dest_y		= src_y * sti->font_height,
205
-		.width		= width * sti->font_width,
206
-		.height		= height* sti->font_height,
206
+		.src_x		= src_x * font->width,
207
+		.src_y		= src_y * font->height,
208
+		.dest_x		= src_x * font->width,
209
+		.dest_y		= src_y * font->height,
210
+		.width		= width * font->width,
211
+		.height		= height * font->height,
207212 	};
208213 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;
209214 	s32 ret;
....@@ -224,16 +229,17 @@
224229 
225230 void
226231 sti_bmove(struct sti_struct *sti, int src_y, int src_x,
227
-	  int dst_y, int dst_x, int height, int width)
232
+	  int dst_y, int dst_x, int height, int width,
233
+	  struct sti_cooked_font *font)
228234 {
229235 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;
230236 	struct sti_blkmv_inptr inptr_default = {
231
-		.src_x		= src_x * sti->font_width,
232
-		.src_y		= src_y * sti->font_height,
233
-		.dest_x		= dst_x * sti->font_width,
234
-		.dest_y		= dst_y * sti->font_height,
235
-		.width		= width * sti->font_width,
236
-		.height		= height* sti->font_height,
237
+		.src_x		= src_x * font->width,
238
+		.src_y		= src_y * font->height,
239
+		.dest_x		= dst_x * font->width,
240
+		.dest_y		= dst_y * font->height,
241
+		.width		= width * font->width,
242
+		.height		= height * font->height,
237243 	};
238244 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;
239245 	s32 ret;
....@@ -300,36 +306,32 @@
300306 
301307 
302308 
303
-static char *font_name[MAX_STI_ROMS];
304
-static int font_index[MAX_STI_ROMS],
305
-	   font_height[MAX_STI_ROMS],
306
-	   font_width[MAX_STI_ROMS];
309
+static char *font_name;
310
+static int font_index,
311
+	   font_height,
312
+	   font_width;
307313 #ifndef MODULE
308314 static int sti_font_setup(char *str)
309315 {
310
-	char *x;
311
-	int i = 0;
316
+	/*
317
+	 * The default font can be selected in various ways.
318
+	 * a) sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 selects
319
+	 *    an built-in Linux framebuffer font.
320
+	 * b) sti_font=<index>, where index is (1..x) with 1 selecting
321
+	 *    the first HP STI ROM built-in font..
322
+	 */
312323 
313
-	/* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 
314
-	 * or sti_font=7 style command lines. */
324
+	if (*str >= '0' && *str <= '9') {
325
+		char *x;
315326 
316
-	while (i<MAX_STI_ROMS && str && *str) {
317
-		if (*str>='0' && *str<='9') {
318
-			if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) {
319
-				font_height[i] = simple_strtoul(str, NULL, 0);
320
-				font_width[i] = simple_strtoul(x+1, NULL, 0);
321
-			} else {
322
-				font_index[i] = simple_strtoul(str, NULL, 0);
323
-			}
327
+		if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) {
328
+			font_height = simple_strtoul(str, NULL, 0);
329
+			font_width = simple_strtoul(x+1, NULL, 0);
324330 		} else {
325
-			font_name[i] = str;	/* fb font name */
331
+			font_index = simple_strtoul(str, NULL, 0);
326332 		}
327
-
328
-		if ((x = strchr(str, ',')))
329
-			*x++ = 0;
330
-		str = x;
331
-
332
-		i++;
333
+	} else {
334
+		font_name = str;	/* fb font name */
333335 	}
334336 
335337 	return 1;
....@@ -343,7 +345,7 @@
343345  *		framebuffer font names (e.g. VGA8x16, SUN22x18). 
344346  *		This is only available if the fonts have been statically compiled 
345347  *		in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options.
346
- *	- sti_font=<number>
348
+ *	- sti_font=<number>	(<number> = 1,2,3,...)
347349  *		most STI ROMs have built-in HP specific fonts, which can be selected
348350  *		by giving the desired number to the sticon driver. 
349351  *		NOTE: This number is machine and STI ROM dependend.
....@@ -363,8 +365,7 @@
363365 {
364366 	struct sti_glob_cfg_ext *cfg;
365367 	
366
-	DPRINTK((KERN_INFO
367
-		"%d text planes\n"
368
+	pr_debug("%d text planes\n"
368369 		"%4d x %4d screen resolution\n"
369370 		"%4d x %4d offscreen\n"
370371 		"%4d x %4d layout\n"
....@@ -381,12 +382,11 @@
381382 		glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5],
382383 		glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7],
383384 		glob_cfg->reent_lvl,
384
-		glob_cfg->save_addr));
385
+		glob_cfg->save_addr);
385386 
386387 	/* dump extended cfg */ 
387388 	cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr);
388
-	DPRINTK(( KERN_INFO
389
-		"monitor %d\n"
389
+	pr_debug("monitor %d\n"
390390 		"in friendly mode: %d\n"
391391 		"power consumption %d watts\n"
392392 		"freq ref %d\n"
....@@ -395,20 +395,19 @@
395395 		cfg->friendly_boot,
396396 		cfg->power,
397397 		cfg->freq_ref,
398
-		cfg->sti_mem_addr, sti_mem_request));
398
+		cfg->sti_mem_addr, sti_mem_request);
399399 }
400400 
401401 static void sti_dump_outptr(struct sti_struct *sti)
402402 {
403
-	DPRINTK((KERN_INFO
404
-		"%d bits per pixel\n"
403
+	pr_debug("%d bits per pixel\n"
405404 		"%d used bits\n"
406405 		"%d planes\n"
407406 		"attributes %08x\n",
408407 		 sti->sti_data->inq_outptr.bits_per_pixel,
409408 		 sti->sti_data->inq_outptr.bits_used,
410409 		 sti->sti_data->inq_outptr.planes,
411
-		 sti->sti_data->inq_outptr.attributes));
410
+		 sti->sti_data->inq_outptr.attributes);
412411 }
413412 
414413 static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address,
....@@ -447,8 +446,7 @@
447446 			if (offs != PCI_ROM_ADDRESS &&
448447 			    (offs < PCI_BASE_ADDRESS_0 ||
449448 			     offs > PCI_BASE_ADDRESS_5)) {
450
-				printk (KERN_WARNING
451
-					"STI pci region mapping for region %d (%02x) can't be mapped\n",
449
+				pr_warn("STI pci region mapping for region %d (%02x) can't be mapped\n",
452450 					i,sti->rm_entry[i]);
453451 				continue;
454452 			}
....@@ -463,14 +461,14 @@
463461 		if (len)
464462 			glob_cfg->region_ptrs[i] = sti->regions_phys[i];
465463 		
466
-		DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, "
464
+		pr_debug("region #%d: phys %08lx, region_ptr %08x, len=%lukB, "
467465 			 "btlb=%d, sysonly=%d, cache=%d, last=%d\n",
468466 			i, sti->regions_phys[i], glob_cfg->region_ptrs[i],
469467 			len/1024,
470468 			sti->regions[i].region_desc.btlb,
471469 			sti->regions[i].region_desc.sys_only,
472470 			sti->regions[i].region_desc.cache, 
473
-			sti->regions[i].region_desc.last));
471
+			sti->regions[i].region_desc.last);
474472 
475473 		/* last entry reached ? */
476474 		if (sti->regions[i].region_desc.last)
....@@ -478,8 +476,8 @@
478476 	}
479477 
480478 	if (++i<8 && sti->regions[i].region)
481
-		printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n",
482
-				__FILE__, sti->regions[i].region);
479
+		pr_warn("future ptr (0x%8x) not yet supported !\n",
480
+			sti->regions[i].region);
483481 
484482 	glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr);
485483 
....@@ -537,6 +535,7 @@
537535 	}
538536 	
539537 	cooked_font->raw = nf;
538
+	cooked_font->raw_ptr = nf;
540539 	cooked_font->next_font = NULL;
541540 
542541 	cooked_rom->font_start = cooked_font;
....@@ -551,24 +550,38 @@
551550 }
552551 #endif
553552 
554
-static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom,
555
-		int (*search_font_fnc)(struct sti_cooked_rom *, int, int))
553
+static int sti_search_font(struct sti_cooked_rom *rom, int height, int width)
554
+{
555
+	struct sti_cooked_font *font;
556
+	int i = 0;
557
+
558
+	for (font = rom->font_start; font; font = font->next_font, i++) {
559
+		if ((font->raw->width == width) &&
560
+		    (font->raw->height == height))
561
+			return i;
562
+	}
563
+	return 0;
564
+}
565
+
566
+static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom)
556567 {
557568 	struct sti_cooked_font *font;
558569 	int i;
559
-	int index = num_sti_roms;
560570 
561571 	/* check for framebuffer-font first */
562
-	if ((font = sti_select_fbfont(rom, font_name[index])))
563
-		return font;
572
+	if (!font_index) {
573
+		font = sti_select_fbfont(rom, font_name);
574
+		if (font)
575
+			return font;
576
+	}
564577 
565
-	if (font_width[index] && font_height[index])
566
-		font_index[index] = search_font_fnc(rom, 
567
-				font_height[index], font_width[index]);
578
+	if (font_width && font_height)
579
+		font_index = sti_search_font(rom,
580
+				font_height, font_width);
568581 
569
-	for (font = rom->font_start, i = font_index[index];
570
-	    font && (i > 0);
571
-	    font = font->next_font, i--);
582
+	for (font = rom->font_start, i = font_index - 1;
583
+		font && (i > 0);
584
+		font = font->next_font, i--);
572585 
573586 	if (font)
574587 		return font;
....@@ -577,20 +590,35 @@
577590 }
578591 
579592 
580
-static void sti_dump_rom(struct sti_rom *rom)
593
+static void sti_dump_rom(struct sti_struct *sti)
581594 {
582
-	printk(KERN_INFO "    id %04x-%04x, conforms to spec rev. %d.%02x\n",
595
+	struct sti_rom *rom = sti->rom->raw;
596
+	struct sti_cooked_font *font_start;
597
+	int nr;
598
+
599
+	pr_info("  id %04x-%04x, conforms to spec rev. %d.%02x\n",
583600 		rom->graphics_id[0], 
584601 		rom->graphics_id[1],
585602 		rom->revno[0] >> 4, 
586603 		rom->revno[0] & 0x0f);
587
-	DPRINTK(("      supports %d monitors\n", rom->num_mons));
588
-	DPRINTK(("      font start %08x\n", rom->font_start));
589
-	DPRINTK(("      region list %08x\n", rom->region_list));
590
-	DPRINTK(("      init_graph %08x\n", rom->init_graph));
591
-	DPRINTK(("      bus support %02x\n", rom->bus_support));
592
-	DPRINTK(("      ext bus support %02x\n", rom->ext_bus_support));
593
-	DPRINTK(("      alternate code type %d\n", rom->alt_code_type));
604
+	pr_debug("  supports %d monitors\n", rom->num_mons);
605
+	pr_debug("  font start %08x\n", rom->font_start);
606
+	pr_debug("  region list %08x\n", rom->region_list);
607
+	pr_debug("  init_graph %08x\n", rom->init_graph);
608
+	pr_debug("  bus support %02x\n", rom->bus_support);
609
+	pr_debug("  ext bus support %02x\n", rom->ext_bus_support);
610
+	pr_debug("  alternate code type %d\n", rom->alt_code_type);
611
+
612
+	font_start = sti->rom->font_start;
613
+	nr = 0;
614
+	while (font_start) {
615
+		struct sti_rom_font *f = font_start->raw;
616
+
617
+		pr_info("    built-in font #%d: size %dx%d, chars %d-%d, bpc %d\n", ++nr,
618
+			f->width, f->height,
619
+			f->first_char, f->last_char, f->bytes_per_char);
620
+		font_start = font_start->next_font;
621
+	}
594622 }
595623 
596624 
....@@ -627,39 +655,34 @@
627655 	return 1;
628656 }
629657 
630
-
631
-static int sti_search_font(struct sti_cooked_rom *rom, int height, int width)
632
-{
633
-	struct sti_cooked_font *font;
634
-	int i = 0;
635
-	
636
-	for (font = rom->font_start; font; font = font->next_font, i++) {
637
-		if ((font->raw->width == width) &&
638
-		    (font->raw->height == height))
639
-			return i;
640
-	}
641
-	return 0;
642
-}
643
-
644658 #define BMODE_RELOCATE(offset)		offset = (offset) / 4;
645659 #define BMODE_LAST_ADDR_OFFS		0x50
646660 
647
-static void *sti_bmode_font_raw(struct sti_cooked_font *f)
661
+void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f)
648662 {
649663 	unsigned char *n, *p, *q;
650
-	int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font);
651
-	
664
+	int size = f->raw->bytes_per_char * 256 + sizeof(struct sti_rom_font);
665
+	struct sti_rom_font *old_font;
666
+
667
+	if (sti->wordmode)
668
+		return;
669
+
670
+	old_font = f->raw_ptr;
652671 	n = kcalloc(4, size, STI_LOWMEM);
672
+	f->raw_ptr = n;
653673 	if (!n)
654
-		return NULL;
674
+		return;
655675 	p = n + 3;
656
-	q = (unsigned char *)f->raw;
676
+	q = (unsigned char *) f->raw;
657677 	while (size--) {
658678 		*p = *q++;
659
-		p+=4;
679
+		p += 4;
660680 	}
661
-	return n + 3;
681
+	/* store new ptr to byte-mode font and delete old font */
682
+	f->raw = (struct sti_rom_font *) (n + 3);
683
+	kfree(old_font);
662684 }
685
+EXPORT_SYMBOL(sti_font_convert_bytemode);
663686 
664687 static void sti_bmode_rom_copy(unsigned long base, unsigned long count,
665688 			       void *dest)
....@@ -746,7 +769,7 @@
746769 		goto out_err;
747770 
748771 	if (!sti_cook_fonts(cooked, raw)) {
749
-		printk(KERN_ERR "No font found for STI at %08lx\n", address);
772
+		pr_warn("No font found for STI at %08lx\n", address);
750773 		goto out_err;
751774 	}
752775 
....@@ -755,7 +778,8 @@
755778 
756779 	address = (unsigned long) STI_PTR(raw);
757780 
758
-	pr_info("STI ROM supports 32 %sbit firmware functions.\n",
781
+	pr_info("STI %s ROM supports 32 %sbit firmware functions.\n",
782
+		wordmode ? "word mode" : "byte mode",
759783 		raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64
760784 		? "and 64 " : "");
761785 
....@@ -766,18 +790,17 @@
766790 
767791 	sti->rom = cooked;
768792 	sti->rom->raw = raw;
769
-	
770
-	sti->font = sti_select_font(sti->rom, sti_search_font);
771
-	sti->font_width = sti->font->raw->width;
772
-	sti->font_height = sti->font->raw->height;
773
-	if (!wordmode)
774
-		sti->font->raw = sti_bmode_font_raw(sti->font);
793
+	sti_dump_rom(sti);
794
+
795
+	sti->wordmode = wordmode;
796
+	sti->font = sti_select_font(sti->rom);
797
+	sti->font->width = sti->font->raw->width;
798
+	sti->font->height = sti->font->raw->height;
799
+	sti_font_convert_bytemode(sti, sti->font);
775800 
776801 	sti->sti_mem_request = raw->sti_mem_req;
777802 	sti->graphics_id[0] = raw->graphics_id[0];
778803 	sti->graphics_id[1] = raw->graphics_id[1];
779
-	
780
-	sti_dump_rom(raw);
781804 
782805 	/* check if the ROM routines in this card are compatible */
783806 	if (wordmode || sti->graphics_id[1] != 0x09A02587)
....@@ -803,9 +826,9 @@
803826 	return 1;
804827 
805828 msg_not_supported:
806
-	printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n");
807
-	printk(KERN_ERR "Please see http://parisc-linux.org/faq/"
808
-			"graphics-howto.html for more info.\n");
829
+	pr_warn("Sorry, this GSC/STI card is not yet supported.\n");
830
+	pr_warn("Please see https://parisc.wiki.kernel.org/"
831
+		"index.php/Graphics_howto for more info.\n");
809832 	/* fall through */
810833 out_err:
811834 	kfree(raw);
....@@ -822,7 +845,7 @@
822845 	u32 sig;
823846 
824847 	if (num_sti_roms >= MAX_STI_ROMS) {
825
-		printk(KERN_WARNING "maximum number of STI ROMS reached !\n");
848
+		pr_warn("maximum number of STI ROMS reached !\n");
826849 		return NULL;
827850 	}
828851 	
....@@ -848,16 +871,15 @@
848871 		if (i != 1) {
849872 			/* The ROM could have multiple architecture 
850873 			 * dependent images (e.g. i386, parisc,...) */
851
-			printk(KERN_WARNING 
852
-				"PCI ROM is not a STI ROM type image (0x%8x)\n", i);
874
+			pr_warn("PCI ROM is not a STI ROM type image (0x%8x)\n", i);
853875 			goto out_err;
854876 		}
855877 		
856878 		sti->pd = pd;
857879 
858880 		i = gsc_readl(address+0x0c);
859
-		DPRINTK(("PCI ROM size (from header) = %d kB\n",
860
-			le16_to_cpu(i>>16)*512/1024));
881
+		pr_debug("PCI ROM size (from header) = %d kB\n",
882
+			le16_to_cpu(i>>16)*512/1024);
861883 		rm_offset = le16_to_cpu(i & 0xffff);
862884 		if (rm_offset) { 
863885 			/* read 16 bytes from the pci region mapper array */
....@@ -866,29 +888,24 @@
866888 			*rm++ = gsc_readl(address+rm_offset+0x04);
867889 			*rm++ = gsc_readl(address+rm_offset+0x08);
868890 			*rm++ = gsc_readl(address+rm_offset+0x0c);
869
-			DPRINTK(("PCI region Mapper offset = %08x: ",
870
-				rm_offset));
871
-			for (i=0; i<16; i++)
872
-				DPRINTK(("%02x ", sti->rm_entry[i]));
873
-			DPRINTK(("\n"));
874891 		}
875892 
876893 		address += le32_to_cpu(gsc_readl(address+8));
877
-		DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address));
894
+		pr_debug("sig %04x, PCI STI ROM at %08lx\n", sig, address);
878895 		goto test_rom;
879896 	}
880897 	
881898 	ok = 0;
882899 	
883900 	if ((sig & 0xff) == 0x01) {
884
-		DPRINTK(("    byte mode ROM at %08lx, hpa at %08lx\n",
885
-		       address, hpa));
901
+		pr_debug("    byte mode ROM at %08lx, hpa at %08lx\n",
902
+		       address, hpa);
886903 		ok = sti_read_rom(0, sti, address);
887904 	}
888905 
889906 	if ((sig & 0xffff) == 0x0303) {
890
-		DPRINTK(("    word mode ROM at %08lx, hpa at %08lx\n",
891
-		       address, hpa));
907
+		pr_debug("    word mode ROM at %08lx, hpa at %08lx\n",
908
+		       address, hpa);
892909 		ok = sti_read_rom(1, sti, address);
893910 	}
894911 
....@@ -905,7 +922,7 @@
905922 		unsigned long rom_base;
906923 		rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);	
907924 		pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);
908
-		DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n"));
925
+		pr_debug("STI PCI ROM disabled\n");
909926 	}
910927 
911928 	if (sti_init_graph(sti))
....@@ -980,14 +997,14 @@
980997 	rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE);
981998 	if (rom_base) {
982999 		pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
983
-		DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base));
1000
+		pr_debug("STI PCI ROM enabled at 0x%08lx\n", rom_base);
9841001 	}
9851002 
986
-	printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
1003
+	pr_info("STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
9871004 		rom_base, rom_len/1024, fb_base, fb_len/1024/1024);
9881005 
989
-	DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
990
-		    rom_base, fb_base));
1006
+	pr_debug("Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
1007
+		    rom_base, fb_base);
9911008 
9921009 	sti = sti_try_rom_generic(rom_base, fb_base, pd);
9931010 	if (sti) {
....@@ -997,8 +1014,7 @@
9971014 	}
9981015 	
9991016 	if (!sti) {
1000
-		printk(KERN_WARNING "Unable to handle STI device '%s'\n",
1001
-			pci_name(pd));
1017
+		pr_warn("Unable to handle STI device '%s'\n", pci_name(pd));
10021018 		return -ENODEV;
10031019 	}
10041020 #endif /* CONFIG_PCI */
....@@ -1057,7 +1073,7 @@
10571073 
10581074 	sticore_initialized = 1;
10591075 
1060
-	printk(KERN_INFO "STI GSC/PCI core graphics driver "
1076
+	pr_info("STI GSC/PCI core graphics driver "
10611077 			STI_DRIVERVERSION "\n");
10621078 
10631079 	/* Register drivers for native & PCI cards */
....@@ -1112,6 +1128,24 @@
11121128 	return ret;
11131129 }
11141130 
1131
+#if defined(CONFIG_FB_STI)
1132
+/* check if given fb_info is the primary device */
1133
+int fb_is_primary_device(struct fb_info *info)
1134
+{
1135
+	struct sti_struct *sti;
1136
+
1137
+	sti = sti_get_rom(0);
1138
+
1139
+	/* if no built-in graphics card found, allow any fb driver as default */
1140
+	if (!sti)
1141
+		return true;
1142
+
1143
+	/* return true if it's the default built-in framebuffer driver */
1144
+	return (sti->info == info);
1145
+}
1146
+EXPORT_SYMBOL(fb_is_primary_device);
1147
+#endif
1148
+
11151149 MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
11161150 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");
11171151 MODULE_LICENSE("GPL v2");