1 /* cg6.c: CGSIX (GX, GXplus, TGX) frame buffer driver
3 * Copyright (C) 2003 David S. Miller (davem@redhat.com)
4 * Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
5 * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
6 * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
8 * Driver layout based loosely on tgafb.c, see that file for credits.
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/errno.h>
14 #include <linux/string.h>
15 #include <linux/slab.h>
16 #include <linux/delay.h>
17 #include <linux/init.h>
23 #include <asm/oplib.h>
32 static int cg6_setcolreg(unsigned, unsigned, unsigned, unsigned,
33 unsigned, struct fb_info *);
34 static int cg6_blank(int, struct fb_info *);
36 static void cg6_imageblit(struct fb_info *, const struct fb_image *);
37 static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *);
38 static int cg6_sync(struct fb_info *);
39 static int cg6_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
40 static int cg6_ioctl(struct inode *, struct file *, unsigned int,
41 unsigned long, struct fb_info *);
44 * Frame buffer operations
47 static struct fb_ops cg6_ops = {
49 .fb_setcolreg = cg6_setcolreg,
50 .fb_blank = cg6_blank,
51 .fb_fillrect = cg6_fillrect,
52 .fb_copyarea = cfb_copyarea,
53 .fb_imageblit = cg6_imageblit,
56 .fb_ioctl = cg6_ioctl,
59 /* Offset of interesting structures in the OBIO space */
61 * Brooktree is the video dac and is funny to program on the cg6.
62 * (it's even funnier on the cg3)
63 * The FBC could be the frame buffer control
64 * The FHC could is the frame buffer hardware control.
66 #define CG6_ROM_OFFSET 0x0UL
67 #define CG6_BROOKTREE_OFFSET 0x200000UL
68 #define CG6_DHC_OFFSET 0x240000UL
69 #define CG6_ALT_OFFSET 0x280000UL
70 #define CG6_FHC_OFFSET 0x300000UL
71 #define CG6_THC_OFFSET 0x301000UL
72 #define CG6_FBC_OFFSET 0x700000UL
73 #define CG6_TEC_OFFSET 0x701000UL
74 #define CG6_RAM_OFFSET 0x800000UL
77 #define CG6_FHC_FBID_SHIFT 24
78 #define CG6_FHC_FBID_MASK 255
79 #define CG6_FHC_REV_SHIFT 20
80 #define CG6_FHC_REV_MASK 15
81 #define CG6_FHC_FROP_DISABLE (1 << 19)
82 #define CG6_FHC_ROW_DISABLE (1 << 18)
83 #define CG6_FHC_SRC_DISABLE (1 << 17)
84 #define CG6_FHC_DST_DISABLE (1 << 16)
85 #define CG6_FHC_RESET (1 << 15)
86 #define CG6_FHC_LITTLE_ENDIAN (1 << 13)
87 #define CG6_FHC_RES_MASK (3 << 11)
88 #define CG6_FHC_1024 (0 << 11)
89 #define CG6_FHC_1152 (1 << 11)
90 #define CG6_FHC_1280 (2 << 11)
91 #define CG6_FHC_1600 (3 << 11)
92 #define CG6_FHC_CPU_MASK (3 << 9)
93 #define CG6_FHC_CPU_SPARC (0 << 9)
94 #define CG6_FHC_CPU_68020 (1 << 9)
95 #define CG6_FHC_CPU_386 (2 << 9)
96 #define CG6_FHC_TEST (1 << 8)
97 #define CG6_FHC_TEST_X_SHIFT 4
98 #define CG6_FHC_TEST_X_MASK 15
99 #define CG6_FHC_TEST_Y_SHIFT 0
100 #define CG6_FHC_TEST_Y_MASK 15
102 /* FBC mode definitions */
103 #define CG6_FBC_BLIT_IGNORE 0x00000000
104 #define CG6_FBC_BLIT_NOSRC 0x00100000
105 #define CG6_FBC_BLIT_SRC 0x00200000
106 #define CG6_FBC_BLIT_ILLEGAL 0x00300000
107 #define CG6_FBC_BLIT_MASK 0x00300000
109 #define CG6_FBC_VBLANK 0x00080000
111 #define CG6_FBC_MODE_IGNORE 0x00000000
112 #define CG6_FBC_MODE_COLOR8 0x00020000
113 #define CG6_FBC_MODE_COLOR1 0x00040000
114 #define CG6_FBC_MODE_HRMONO 0x00060000
115 #define CG6_FBC_MODE_MASK 0x00060000
117 #define CG6_FBC_DRAW_IGNORE 0x00000000
118 #define CG6_FBC_DRAW_RENDER 0x00008000
119 #define CG6_FBC_DRAW_PICK 0x00010000
120 #define CG6_FBC_DRAW_ILLEGAL 0x00018000
121 #define CG6_FBC_DRAW_MASK 0x00018000
123 #define CG6_FBC_BWRITE0_IGNORE 0x00000000
124 #define CG6_FBC_BWRITE0_ENABLE 0x00002000
125 #define CG6_FBC_BWRITE0_DISABLE 0x00004000
126 #define CG6_FBC_BWRITE0_ILLEGAL 0x00006000
127 #define CG6_FBC_BWRITE0_MASK 0x00006000
129 #define CG6_FBC_BWRITE1_IGNORE 0x00000000
130 #define CG6_FBC_BWRITE1_ENABLE 0x00000800
131 #define CG6_FBC_BWRITE1_DISABLE 0x00001000
132 #define CG6_FBC_BWRITE1_ILLEGAL 0x00001800
133 #define CG6_FBC_BWRITE1_MASK 0x00001800
135 #define CG6_FBC_BREAD_IGNORE 0x00000000
136 #define CG6_FBC_BREAD_0 0x00000200
137 #define CG6_FBC_BREAD_1 0x00000400
138 #define CG6_FBC_BREAD_ILLEGAL 0x00000600
139 #define CG6_FBC_BREAD_MASK 0x00000600
141 #define CG6_FBC_BDISP_IGNORE 0x00000000
142 #define CG6_FBC_BDISP_0 0x00000080
143 #define CG6_FBC_BDISP_1 0x00000100
144 #define CG6_FBC_BDISP_ILLEGAL 0x00000180
145 #define CG6_FBC_BDISP_MASK 0x00000180
147 #define CG6_FBC_INDEX_MOD 0x00000040
148 #define CG6_FBC_INDEX_MASK 0x00000030
150 /* THC definitions */
151 #define CG6_THC_MISC_REV_SHIFT 16
152 #define CG6_THC_MISC_REV_MASK 15
153 #define CG6_THC_MISC_RESET (1 << 12)
154 #define CG6_THC_MISC_VIDEO (1 << 10)
155 #define CG6_THC_MISC_SYNC (1 << 9)
156 #define CG6_THC_MISC_VSYNC (1 << 8)
157 #define CG6_THC_MISC_SYNC_ENAB (1 << 7)
158 #define CG6_THC_MISC_CURS_RES (1 << 6)
159 #define CG6_THC_MISC_INT_ENAB (1 << 5)
160 #define CG6_THC_MISC_INT (1 << 4)
161 #define CG6_THC_MISC_INIT 0x9f
163 /* The contents are unknown */
165 volatile int tec_matrix;
166 volatile int tec_clip;
167 volatile int tec_vdc;
172 volatile uint thc_hs; /* hsync timing */
173 volatile uint thc_hsdvs;
174 volatile uint thc_hd;
175 volatile uint thc_vs; /* vsync timing */
176 volatile uint thc_vd;
177 volatile uint thc_refresh;
178 volatile uint thc_misc;
180 volatile uint thc_cursxy; /* cursor x,y position (16 bits each) */
181 volatile uint thc_cursmask[32]; /* cursor mask bits */
182 volatile uint thc_cursbits[32]; /* what to show where mask enabled */
195 volatile u32 x0, y0, z0, color0;
196 volatile u32 x1, y1, z1, color1;
197 volatile u32 x2, y2, z2, color2;
198 volatile u32 x3, y3, z3, color3;
199 volatile u32 offx, offy;
201 volatile u32 incx, incy;
203 volatile u32 clipminx, clipminy;
205 volatile u32 clipmaxx, clipmaxy;
213 volatile u32 patalign;
214 volatile u32 pattern[8];
216 volatile u32 apointx, apointy, apointz;
218 volatile u32 rpointx, rpointy, rpointz;
220 volatile u32 pointr, pointg, pointb, pointa;
221 volatile u32 alinex, aliney, alinez;
223 volatile u32 rlinex, rliney, rlinez;
225 volatile u32 liner, lineg, lineb, linea;
226 volatile u32 atrix, atriy, atriz;
228 volatile u32 rtrix, rtriy, rtriz;
230 volatile u32 trir, trig, trib, tria;
231 volatile u32 aquadx, aquady, aquadz;
233 volatile u32 rquadx, rquady, rquadz;
235 volatile u32 quadr, quadg, quadb, quada;
236 volatile u32 arectx, arecty, arectz;
238 volatile u32 rrectx, rrecty, rrectz;
240 volatile u32 rectr, rectg, rectb, recta;
245 volatile u32 color_map;
246 volatile u32 control;
252 struct bt_regs __iomem *bt;
253 struct cg6_fbc __iomem *fbc;
254 struct cg6_thc __iomem *thc;
255 struct cg6_tec __iomem *tec;
256 volatile u32 __iomem *fhc;
259 #define CG6_FLAG_BLANKED 0x00000001
261 unsigned long physbase;
262 unsigned long fbsize;
264 struct sbus_dev *sdev;
265 struct list_head list;
268 static int cg6_sync(struct fb_info *info)
270 struct cg6_par *par = (struct cg6_par *) info->par;
271 struct cg6_fbc __iomem *fbc = par->fbc;
275 if (!(sbus_readl(&fbc->s) & 0x10000000))
278 } while (--limit > 0);
284 * cg6_fillrect - REQUIRED function. Can use generic routines if
285 * non acclerated hardware and packed pixel based.
286 * Draws a rectangle on the screen.
288 * @info: frame buffer structure that represents a single frame buffer
289 * @rect: structure defining the rectagle and operation.
291 static void cg6_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
293 struct cg6_par *par = (struct cg6_par *) info->par;
294 struct cg6_fbc __iomem *fbc = par->fbc;
298 /* XXX doesn't handle ROP_XOR */
300 spin_lock_irqsave(&par->lock, flags);
302 sbus_writel(rect->color, &fbc->fg);
303 sbus_writel(~(u32)0, &fbc->pixelm);
304 sbus_writel(0xea80ff00, &fbc->alu);
305 sbus_writel(0, &fbc->s);
306 sbus_writel(0, &fbc->clip);
307 sbus_writel(~(u32)0, &fbc->pm);
308 sbus_writel(rect->dy, &fbc->arecty);
309 sbus_writel(rect->dx, &fbc->arectx);
310 sbus_writel(rect->dy + rect->height, &fbc->arecty);
311 sbus_writel(rect->dx + rect->width, &fbc->arectx);
313 val = sbus_readl(&fbc->draw);
314 } while (val < 0 && (val & 0x20000000));
315 spin_unlock_irqrestore(&par->lock, flags);
319 * cg6_imageblit - REQUIRED function. Can use generic routines if
320 * non acclerated hardware and packed pixel based.
321 * Copies a image from system memory to the screen.
323 * @info: frame buffer structure that represents a single frame buffer
324 * @image: structure defining the image.
326 static void cg6_imageblit(struct fb_info *info, const struct fb_image *image)
328 struct cg6_par *par = (struct cg6_par *) info->par;
329 struct cg6_fbc __iomem *fbc = par->fbc;
330 const u8 *data = image->data;
335 if (image->depth > 1) {
336 cfb_imageblit(info, image);
340 spin_lock_irqsave(&par->lock, flags);
344 sbus_writel(image->fg_color, &fbc->fg);
345 sbus_writel(image->bg_color, &fbc->bg);
346 sbus_writel(0x140000, &fbc->mode);
347 sbus_writel(0xe880fc30, &fbc->alu);
348 sbus_writel(~(u32)0, &fbc->pixelm);
349 sbus_writel(0, &fbc->s);
350 sbus_writel(0, &fbc->clip);
351 sbus_writel(0xff, &fbc->pm);
352 sbus_writel(32, &fbc->incx);
353 sbus_writel(0, &fbc->incy);
357 for (i = 0; i < image->height; i++) {
358 width = image->width;
360 while (width >= 32) {
363 sbus_writel(y, &fbc->y0);
364 sbus_writel(x, &fbc->x0);
365 sbus_writel(x + 32 - 1, &fbc->x1);
367 val = ((u32)data[0] << 24) |
368 ((u32)data[1] << 16) |
369 ((u32)data[2] << 8) |
371 sbus_writel(val, &fbc->font);
380 sbus_writel(y, &fbc->y0);
381 sbus_writel(x, &fbc->x0);
382 sbus_writel(x + width - 1, &fbc->x1);
384 val = (u32) data[0] << 24;
386 } else if (width <= 16) {
387 val = ((u32) data[0] << 24) |
388 ((u32) data[1] << 16);
391 val = ((u32) data[0] << 24) |
392 ((u32) data[1] << 16) |
393 ((u32) data[2] << 8);
396 sbus_writel(val, &fbc->font);
403 spin_unlock_irqrestore(&par->lock, flags);
407 * cg6_setcolreg - Optional function. Sets a color register.
408 * @regno: boolean, 0 copy local, 1 get_user() function
409 * @red: frame buffer colormap structure
410 * @green: The green value which can be up to 16 bits wide
411 * @blue: The blue value which can be up to 16 bits wide.
412 * @transp: If supported the alpha value which can be up to 16 bits wide.
413 * @info: frame buffer info structure
415 static int cg6_setcolreg(unsigned regno,
416 unsigned red, unsigned green, unsigned blue,
417 unsigned transp, struct fb_info *info)
419 struct cg6_par *par = (struct cg6_par *) info->par;
420 struct bt_regs __iomem *bt = par->bt;
430 spin_lock_irqsave(&par->lock, flags);
432 sbus_writel((u32)regno << 24, &bt->addr);
433 sbus_writel((u32)red << 24, &bt->color_map);
434 sbus_writel((u32)green << 24, &bt->color_map);
435 sbus_writel((u32)blue << 24, &bt->color_map);
437 spin_unlock_irqrestore(&par->lock, flags);
443 * cg6_blank - Optional function. Blanks the display.
444 * @blank_mode: the blank mode we want.
445 * @info: frame buffer structure that represents a single frame buffer
448 cg6_blank(int blank, struct fb_info *info)
450 struct cg6_par *par = (struct cg6_par *) info->par;
451 struct cg6_thc __iomem *thc = par->thc;
455 spin_lock_irqsave(&par->lock, flags);
458 case FB_BLANK_UNBLANK: /* Unblanking */
459 val = sbus_readl(&thc->thc_misc);
460 val |= CG6_THC_MISC_VIDEO;
461 sbus_writel(val, &thc->thc_misc);
462 par->flags &= ~CG6_FLAG_BLANKED;
465 case FB_BLANK_NORMAL: /* Normal blanking */
466 case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
467 case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
468 case FB_BLANK_POWERDOWN: /* Poweroff */
469 val = sbus_readl(&thc->thc_misc);
470 val &= ~CG6_THC_MISC_VIDEO;
471 sbus_writel(val, &thc->thc_misc);
472 par->flags |= CG6_FLAG_BLANKED;
476 spin_unlock_irqrestore(&par->lock, flags);
481 static struct sbus_mmap_map cg6_mmap_map[] = {
484 .poff = CG6_FBC_OFFSET,
489 .poff = CG6_TEC_OFFSET,
494 .poff = CG6_BROOKTREE_OFFSET,
499 .poff = CG6_FHC_OFFSET,
504 .poff = CG6_THC_OFFSET,
509 .poff = CG6_ROM_OFFSET,
514 .poff = CG6_RAM_OFFSET,
515 .size = SBUS_MMAP_FBSIZE(1)
519 .poff = CG6_DHC_OFFSET,
525 static int cg6_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
527 struct cg6_par *par = (struct cg6_par *)info->par;
529 return sbusfb_mmap_helper(cg6_mmap_map,
530 par->physbase, par->fbsize,
531 par->sdev->reg_addrs[0].which_io,
535 static int cg6_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
536 unsigned long arg, struct fb_info *info)
538 struct cg6_par *par = (struct cg6_par *) info->par;
540 return sbusfb_ioctl_helper(cmd, arg, info,
541 FBTYPE_SUNFAST_COLOR, 8, par->fbsize);
549 cg6_init_fix(struct fb_info *info, int linebytes)
551 struct cg6_par *par = (struct cg6_par *)info->par;
552 const char *cg6_cpu_name, *cg6_card_name;
555 conf = sbus_readl(par->fhc);
556 switch(conf & CG6_FHC_CPU_MASK) {
557 case CG6_FHC_CPU_SPARC:
558 cg6_cpu_name = "sparc";
560 case CG6_FHC_CPU_68020:
561 cg6_cpu_name = "68020";
564 cg6_cpu_name = "i386";
567 if (((conf >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK) >= 11) {
568 if (par->fbsize <= 0x100000) {
569 cg6_card_name = "TGX";
571 cg6_card_name = "TGX+";
574 if (par->fbsize <= 0x100000) {
575 cg6_card_name = "GX";
577 cg6_card_name = "GX+";
581 sprintf(info->fix.id, "%s %s", cg6_card_name, cg6_cpu_name);
582 info->fix.id[sizeof(info->fix.id)-1] = 0;
584 info->fix.type = FB_TYPE_PACKED_PIXELS;
585 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
587 info->fix.line_length = linebytes;
589 info->fix.accel = FB_ACCEL_SUN_CGSIX;
592 /* Initialize Brooktree DAC */
593 static void cg6_bt_init(struct cg6_par *par)
595 struct bt_regs __iomem *bt = par->bt;
597 sbus_writel(0x04 << 24, &bt->addr); /* color planes */
598 sbus_writel(0xff << 24, &bt->control);
599 sbus_writel(0x05 << 24, &bt->addr);
600 sbus_writel(0x00 << 24, &bt->control);
601 sbus_writel(0x06 << 24, &bt->addr); /* overlay plane */
602 sbus_writel(0x73 << 24, &bt->control);
603 sbus_writel(0x07 << 24, &bt->addr);
604 sbus_writel(0x00 << 24, &bt->control);
607 static void cg6_chip_init(struct fb_info *info)
609 struct cg6_par *par = (struct cg6_par *) info->par;
610 struct cg6_tec __iomem *tec = par->tec;
611 struct cg6_fbc __iomem *fbc = par->fbc;
612 u32 rev, conf, mode, tmp;
615 /* Turn off stuff in the Transform Engine. */
616 sbus_writel(0, &tec->tec_matrix);
617 sbus_writel(0, &tec->tec_clip);
618 sbus_writel(0, &tec->tec_vdc);
620 /* Take care of bugs in old revisions. */
621 rev = (sbus_readl(par->fhc) >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK;
623 conf = (sbus_readl(par->fhc) & CG6_FHC_RES_MASK) |
624 CG6_FHC_CPU_68020 | CG6_FHC_TEST |
625 (11 << CG6_FHC_TEST_X_SHIFT) |
626 (11 << CG6_FHC_TEST_Y_SHIFT);
628 conf |= CG6_FHC_DST_DISABLE;
629 sbus_writel(conf, par->fhc);
632 /* Set things in the FBC. Bad things appear to happen if we do
633 * back to back store/loads on the mode register, so copy it
635 mode = sbus_readl(&fbc->mode);
637 i = sbus_readl(&fbc->s);
638 } while (i & 0x10000000);
639 mode &= ~(CG6_FBC_BLIT_MASK | CG6_FBC_MODE_MASK |
640 CG6_FBC_DRAW_MASK | CG6_FBC_BWRITE0_MASK |
641 CG6_FBC_BWRITE1_MASK | CG6_FBC_BREAD_MASK |
643 mode |= (CG6_FBC_BLIT_SRC | CG6_FBC_MODE_COLOR8 |
644 CG6_FBC_DRAW_RENDER | CG6_FBC_BWRITE0_ENABLE |
645 CG6_FBC_BWRITE1_DISABLE | CG6_FBC_BREAD_0 |
647 sbus_writel(mode, &fbc->mode);
649 sbus_writel(0, &fbc->clip);
650 sbus_writel(0, &fbc->offx);
651 sbus_writel(0, &fbc->offy);
652 sbus_writel(0, &fbc->clipminx);
653 sbus_writel(0, &fbc->clipminy);
654 sbus_writel(info->var.xres - 1, &fbc->clipmaxx);
655 sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
657 /* Disable cursor in Brooktree DAC. */
658 sbus_writel(0x06 << 24, &par->bt->addr);
659 tmp = sbus_readl(&par->bt->control);
660 tmp &= ~(0x03 << 24);
661 sbus_writel(tmp, &par->bt->control);
667 struct list_head list;
669 static LIST_HEAD(cg6_list);
671 static void cg6_init_one(struct sbus_dev *sdev)
673 struct all_info *all;
676 all = kmalloc(sizeof(*all), GFP_KERNEL);
678 printk(KERN_ERR "cg6: Cannot allocate memory.\n");
681 memset(all, 0, sizeof(*all));
683 INIT_LIST_HEAD(&all->list);
685 spin_lock_init(&all->par.lock);
686 all->par.sdev = sdev;
688 all->par.physbase = sdev->reg_addrs[0].phys_addr;
690 sbusfb_fill_var(&all->info.var, sdev->prom_node, 8);
691 all->info.var.red.length = 8;
692 all->info.var.green.length = 8;
693 all->info.var.blue.length = 8;
695 linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
697 all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
698 if (prom_getbool(sdev->prom_node, "dblbuf"))
699 all->par.fbsize *= 4;
701 all->par.fbc = sbus_ioremap(&sdev->resource[0], CG6_FBC_OFFSET,
703 all->par.tec = sbus_ioremap(&sdev->resource[0], CG6_TEC_OFFSET,
704 sizeof(struct cg6_tec), "cgsix tec");
705 all->par.thc = sbus_ioremap(&sdev->resource[0], CG6_THC_OFFSET,
706 sizeof(struct cg6_thc), "cgsix thc");
707 all->par.bt = sbus_ioremap(&sdev->resource[0], CG6_BROOKTREE_OFFSET,
708 sizeof(struct bt_regs), "cgsix dac");
709 all->par.fhc = sbus_ioremap(&sdev->resource[0], CG6_FHC_OFFSET,
710 sizeof(u32), "cgsix fhc");
712 all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT |
713 FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
714 all->info.fbops = &cg6_ops;
715 #ifdef CONFIG_SPARC32
716 all->info.screen_base = (char __iomem *)
717 prom_getintdefault(sdev->prom_node, "address", 0);
719 if (!all->info.screen_base)
720 all->info.screen_base =
721 sbus_ioremap(&sdev->resource[0], CG6_RAM_OFFSET,
722 all->par.fbsize, "cgsix ram");
723 all->info.par = &all->par;
725 all->info.var.accel_flags = FB_ACCELF_TEXT;
727 cg6_bt_init(&all->par);
728 cg6_chip_init(&all->info);
729 cg6_blank(0, &all->info);
731 if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
732 printk(KERN_ERR "cg6: Could not allocate color map.\n");
737 fb_set_cmap(&all->info.cmap, &all->info);
738 cg6_init_fix(&all->info, linebytes);
740 if (register_framebuffer(&all->info) < 0) {
741 printk(KERN_ERR "cg6: Could not register framebuffer.\n");
742 fb_dealloc_cmap(&all->info.cmap);
747 list_add(&all->list, &cg6_list);
749 printk("cg6: CGsix [%s] at %lx:%lx\n",
751 (long) sdev->reg_addrs[0].which_io,
752 (long) sdev->reg_addrs[0].phys_addr);
755 int __init cg6_init(void)
757 struct sbus_bus *sbus;
758 struct sbus_dev *sdev;
760 if (fb_get_options("cg6fb", NULL))
763 for_all_sbusdev(sdev, sbus) {
764 if (!strcmp(sdev->prom_name, "cgsix") ||
765 !strcmp(sdev->prom_name, "cgthree+"))
772 void __exit cg6_exit(void)
774 struct list_head *pos, *tmp;
776 list_for_each_safe(pos, tmp, &cg6_list) {
777 struct all_info *all = list_entry(pos, typeof(*all), list);
779 unregister_framebuffer(&all->info);
780 fb_dealloc_cmap(&all->info.cmap);
788 /* No cmdline options yet... */
792 module_init(cg6_init);
795 module_exit(cg6_exit);
798 MODULE_DESCRIPTION("framebuffer driver for CGsix chipsets");
799 MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
800 MODULE_LICENSE("GPL");