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-rw-r--r--drivers/video/cg6.c801
1 files changed, 0 insertions, 801 deletions
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
deleted file mode 100644
index 49a2545671d..00000000000
--- a/drivers/video/cg6.c
+++ /dev/null
@@ -1,801 +0,0 @@
-/* cg6.c: CGSIX (GX, GXplus, TGX) frame buffer driver
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- * Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
- * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
- *
- * Driver layout based loosely on tgafb.c, see that file for credits.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/fb.h>
-#include <linux/mm.h>
-
-#include <asm/io.h>
-#include <asm/sbus.h>
-#include <asm/oplib.h>
-#include <asm/fbio.h>
-
-#include "sbuslib.h"
-
-/*
- * Local functions.
- */
-
-static int cg6_setcolreg(unsigned, unsigned, unsigned, unsigned,
- unsigned, struct fb_info *);
-static int cg6_blank(int, struct fb_info *);
-
-static void cg6_imageblit(struct fb_info *, const struct fb_image *);
-static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *);
-static int cg6_sync(struct fb_info *);
-static int cg6_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int cg6_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long, struct fb_info *);
-
-/*
- * Frame buffer operations
- */
-
-static struct fb_ops cg6_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = cg6_setcolreg,
- .fb_blank = cg6_blank,
- .fb_fillrect = cg6_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cg6_imageblit,
- .fb_sync = cg6_sync,
- .fb_mmap = cg6_mmap,
- .fb_ioctl = cg6_ioctl,
- .fb_cursor = soft_cursor,
-};
-
-/* Offset of interesting structures in the OBIO space */
-/*
- * Brooktree is the video dac and is funny to program on the cg6.
- * (it's even funnier on the cg3)
- * The FBC could be the frame buffer control
- * The FHC could is the frame buffer hardware control.
- */
-#define CG6_ROM_OFFSET 0x0UL
-#define CG6_BROOKTREE_OFFSET 0x200000UL
-#define CG6_DHC_OFFSET 0x240000UL
-#define CG6_ALT_OFFSET 0x280000UL
-#define CG6_FHC_OFFSET 0x300000UL
-#define CG6_THC_OFFSET 0x301000UL
-#define CG6_FBC_OFFSET 0x700000UL
-#define CG6_TEC_OFFSET 0x701000UL
-#define CG6_RAM_OFFSET 0x800000UL
-
-/* FHC definitions */
-#define CG6_FHC_FBID_SHIFT 24
-#define CG6_FHC_FBID_MASK 255
-#define CG6_FHC_REV_SHIFT 20
-#define CG6_FHC_REV_MASK 15
-#define CG6_FHC_FROP_DISABLE (1 << 19)
-#define CG6_FHC_ROW_DISABLE (1 << 18)
-#define CG6_FHC_SRC_DISABLE (1 << 17)
-#define CG6_FHC_DST_DISABLE (1 << 16)
-#define CG6_FHC_RESET (1 << 15)
-#define CG6_FHC_LITTLE_ENDIAN (1 << 13)
-#define CG6_FHC_RES_MASK (3 << 11)
-#define CG6_FHC_1024 (0 << 11)
-#define CG6_FHC_1152 (1 << 11)
-#define CG6_FHC_1280 (2 << 11)
-#define CG6_FHC_1600 (3 << 11)
-#define CG6_FHC_CPU_MASK (3 << 9)
-#define CG6_FHC_CPU_SPARC (0 << 9)
-#define CG6_FHC_CPU_68020 (1 << 9)
-#define CG6_FHC_CPU_386 (2 << 9)
-#define CG6_FHC_TEST (1 << 8)
-#define CG6_FHC_TEST_X_SHIFT 4
-#define CG6_FHC_TEST_X_MASK 15
-#define CG6_FHC_TEST_Y_SHIFT 0
-#define CG6_FHC_TEST_Y_MASK 15
-
-/* FBC mode definitions */
-#define CG6_FBC_BLIT_IGNORE 0x00000000
-#define CG6_FBC_BLIT_NOSRC 0x00100000
-#define CG6_FBC_BLIT_SRC 0x00200000
-#define CG6_FBC_BLIT_ILLEGAL 0x00300000
-#define CG6_FBC_BLIT_MASK 0x00300000
-
-#define CG6_FBC_VBLANK 0x00080000
-
-#define CG6_FBC_MODE_IGNORE 0x00000000
-#define CG6_FBC_MODE_COLOR8 0x00020000
-#define CG6_FBC_MODE_COLOR1 0x00040000
-#define CG6_FBC_MODE_HRMONO 0x00060000
-#define CG6_FBC_MODE_MASK 0x00060000
-
-#define CG6_FBC_DRAW_IGNORE 0x00000000
-#define CG6_FBC_DRAW_RENDER 0x00008000
-#define CG6_FBC_DRAW_PICK 0x00010000
-#define CG6_FBC_DRAW_ILLEGAL 0x00018000
-#define CG6_FBC_DRAW_MASK 0x00018000
-
-#define CG6_FBC_BWRITE0_IGNORE 0x00000000
-#define CG6_FBC_BWRITE0_ENABLE 0x00002000
-#define CG6_FBC_BWRITE0_DISABLE 0x00004000
-#define CG6_FBC_BWRITE0_ILLEGAL 0x00006000
-#define CG6_FBC_BWRITE0_MASK 0x00006000
-
-#define CG6_FBC_BWRITE1_IGNORE 0x00000000
-#define CG6_FBC_BWRITE1_ENABLE 0x00000800
-#define CG6_FBC_BWRITE1_DISABLE 0x00001000
-#define CG6_FBC_BWRITE1_ILLEGAL 0x00001800
-#define CG6_FBC_BWRITE1_MASK 0x00001800
-
-#define CG6_FBC_BREAD_IGNORE 0x00000000
-#define CG6_FBC_BREAD_0 0x00000200
-#define CG6_FBC_BREAD_1 0x00000400
-#define CG6_FBC_BREAD_ILLEGAL 0x00000600
-#define CG6_FBC_BREAD_MASK 0x00000600
-
-#define CG6_FBC_BDISP_IGNORE 0x00000000
-#define CG6_FBC_BDISP_0 0x00000080
-#define CG6_FBC_BDISP_1 0x00000100
-#define CG6_FBC_BDISP_ILLEGAL 0x00000180
-#define CG6_FBC_BDISP_MASK 0x00000180
-
-#define CG6_FBC_INDEX_MOD 0x00000040
-#define CG6_FBC_INDEX_MASK 0x00000030
-
-/* THC definitions */
-#define CG6_THC_MISC_REV_SHIFT 16
-#define CG6_THC_MISC_REV_MASK 15
-#define CG6_THC_MISC_RESET (1 << 12)
-#define CG6_THC_MISC_VIDEO (1 << 10)
-#define CG6_THC_MISC_SYNC (1 << 9)
-#define CG6_THC_MISC_VSYNC (1 << 8)
-#define CG6_THC_MISC_SYNC_ENAB (1 << 7)
-#define CG6_THC_MISC_CURS_RES (1 << 6)
-#define CG6_THC_MISC_INT_ENAB (1 << 5)
-#define CG6_THC_MISC_INT (1 << 4)
-#define CG6_THC_MISC_INIT 0x9f
-
-/* The contents are unknown */
-struct cg6_tec {
- volatile int tec_matrix;
- volatile int tec_clip;
- volatile int tec_vdc;
-};
-
-struct cg6_thc {
- uint thc_pad0[512];
- volatile uint thc_hs; /* hsync timing */
- volatile uint thc_hsdvs;
- volatile uint thc_hd;
- volatile uint thc_vs; /* vsync timing */
- volatile uint thc_vd;
- volatile uint thc_refresh;
- volatile uint thc_misc;
- uint thc_pad1[56];
- volatile uint thc_cursxy; /* cursor x,y position (16 bits each) */
- volatile uint thc_cursmask[32]; /* cursor mask bits */
- volatile uint thc_cursbits[32]; /* what to show where mask enabled */
-};
-
-struct cg6_fbc {
- u32 xxx0[1];
- volatile u32 mode;
- volatile u32 clip;
- u32 xxx1[1];
- volatile u32 s;
- volatile u32 draw;
- volatile u32 blit;
- volatile u32 font;
- u32 xxx2[24];
- volatile u32 x0, y0, z0, color0;
- volatile u32 x1, y1, z1, color1;
- volatile u32 x2, y2, z2, color2;
- volatile u32 x3, y3, z3, color3;
- volatile u32 offx, offy;
- u32 xxx3[2];
- volatile u32 incx, incy;
- u32 xxx4[2];
- volatile u32 clipminx, clipminy;
- u32 xxx5[2];
- volatile u32 clipmaxx, clipmaxy;
- u32 xxx6[2];
- volatile u32 fg;
- volatile u32 bg;
- volatile u32 alu;
- volatile u32 pm;
- volatile u32 pixelm;
- u32 xxx7[2];
- volatile u32 patalign;
- volatile u32 pattern[8];
- u32 xxx8[432];
- volatile u32 apointx, apointy, apointz;
- u32 xxx9[1];
- volatile u32 rpointx, rpointy, rpointz;
- u32 xxx10[5];
- volatile u32 pointr, pointg, pointb, pointa;
- volatile u32 alinex, aliney, alinez;
- u32 xxx11[1];
- volatile u32 rlinex, rliney, rlinez;
- u32 xxx12[5];
- volatile u32 liner, lineg, lineb, linea;
- volatile u32 atrix, atriy, atriz;
- u32 xxx13[1];
- volatile u32 rtrix, rtriy, rtriz;
- u32 xxx14[5];
- volatile u32 trir, trig, trib, tria;
- volatile u32 aquadx, aquady, aquadz;
- u32 xxx15[1];
- volatile u32 rquadx, rquady, rquadz;
- u32 xxx16[5];
- volatile u32 quadr, quadg, quadb, quada;
- volatile u32 arectx, arecty, arectz;
- u32 xxx17[1];
- volatile u32 rrectx, rrecty, rrectz;
- u32 xxx18[5];
- volatile u32 rectr, rectg, rectb, recta;
-};
-
-struct bt_regs {
- volatile u32 addr;
- volatile u32 color_map;
- volatile u32 control;
- volatile u32 cursor;
-};
-
-struct cg6_par {
- spinlock_t lock;
- struct bt_regs __iomem *bt;
- struct cg6_fbc __iomem *fbc;
- struct cg6_thc __iomem *thc;
- struct cg6_tec __iomem *tec;
- volatile u32 __iomem *fhc;
-
- u32 flags;
-#define CG6_FLAG_BLANKED 0x00000001
-
- unsigned long physbase;
- unsigned long fbsize;
-
- struct sbus_dev *sdev;
- struct list_head list;
-};
-
-static int cg6_sync(struct fb_info *info)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct cg6_fbc __iomem *fbc = par->fbc;
- int limit = 10000;
-
- do {
- if (!(sbus_readl(&fbc->s) & 0x10000000))
- break;
- udelay(10);
- } while (--limit > 0);
-
- return 0;
-}
-
-/**
- * cg6_fillrect - REQUIRED function. Can use generic routines if
- * non acclerated hardware and packed pixel based.
- * Draws a rectangle on the screen.
- *
- * @info: frame buffer structure that represents a single frame buffer
- * @rect: structure defining the rectagle and operation.
- */
-static void cg6_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct cg6_fbc __iomem *fbc = par->fbc;
- unsigned long flags;
- s32 val;
-
- /* XXX doesn't handle ROP_XOR */
-
- spin_lock_irqsave(&par->lock, flags);
- cg6_sync(info);
- sbus_writel(rect->color, &fbc->fg);
- sbus_writel(~(u32)0, &fbc->pixelm);
- sbus_writel(0xea80ff00, &fbc->alu);
- sbus_writel(0, &fbc->s);
- sbus_writel(0, &fbc->clip);
- sbus_writel(~(u32)0, &fbc->pm);
- sbus_writel(rect->dy, &fbc->arecty);
- sbus_writel(rect->dx, &fbc->arectx);
- sbus_writel(rect->dy + rect->height, &fbc->arecty);
- sbus_writel(rect->dx + rect->width, &fbc->arectx);
- do {
- val = sbus_readl(&fbc->draw);
- } while (val < 0 && (val & 0x20000000));
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-/**
- * cg6_imageblit - REQUIRED function. Can use generic routines if
- * non acclerated hardware and packed pixel based.
- * Copies a image from system memory to the screen.
- *
- * @info: frame buffer structure that represents a single frame buffer
- * @image: structure defining the image.
- */
-static void cg6_imageblit(struct fb_info *info, const struct fb_image *image)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct cg6_fbc __iomem *fbc = par->fbc;
- const u8 *data = image->data;
- unsigned long flags;
- u32 x, y;
- int i, width;
-
- if (image->depth > 1) {
- cfb_imageblit(info, image);
- return;
- }
-
- spin_lock_irqsave(&par->lock, flags);
-
- cg6_sync(info);
-
- sbus_writel(image->fg_color, &fbc->fg);
- sbus_writel(image->bg_color, &fbc->bg);
- sbus_writel(0x140000, &fbc->mode);
- sbus_writel(0xe880fc30, &fbc->alu);
- sbus_writel(~(u32)0, &fbc->pixelm);
- sbus_writel(0, &fbc->s);
- sbus_writel(0, &fbc->clip);
- sbus_writel(0xff, &fbc->pm);
- sbus_writel(32, &fbc->incx);
- sbus_writel(0, &fbc->incy);
-
- x = image->dx;
- y = image->dy;
- for (i = 0; i < image->height; i++) {
- width = image->width;
-
- while (width >= 32) {
- u32 val;
-
- sbus_writel(y, &fbc->y0);
- sbus_writel(x, &fbc->x0);
- sbus_writel(x + 32 - 1, &fbc->x1);
-
- val = ((u32)data[0] << 24) |
- ((u32)data[1] << 16) |
- ((u32)data[2] << 8) |
- ((u32)data[3] << 0);
- sbus_writel(val, &fbc->font);
-
- data += 4;
- x += 32;
- width -= 32;
- }
- if (width) {
- u32 val;
-
- sbus_writel(y, &fbc->y0);
- sbus_writel(x, &fbc->x0);
- sbus_writel(x + width - 1, &fbc->x1);
- if (width <= 8) {
- val = (u32) data[0] << 24;
- data += 1;
- } else if (width <= 16) {
- val = ((u32) data[0] << 24) |
- ((u32) data[1] << 16);
- data += 2;
- } else {
- val = ((u32) data[0] << 24) |
- ((u32) data[1] << 16) |
- ((u32) data[2] << 8);
- data += 3;
- }
- sbus_writel(val, &fbc->font);
- }
-
- y += 1;
- x = image->dx;
- }
-
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-/**
- * cg6_setcolreg - Optional function. Sets a color register.
- * @regno: boolean, 0 copy local, 1 get_user() function
- * @red: frame buffer colormap structure
- * @green: The green value which can be up to 16 bits wide
- * @blue: The blue value which can be up to 16 bits wide.
- * @transp: If supported the alpha value which can be up to 16 bits wide.
- * @info: frame buffer info structure
- */
-static int cg6_setcolreg(unsigned regno,
- unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info *info)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct bt_regs __iomem *bt = par->bt;
- unsigned long flags;
-
- if (regno >= 256)
- return 1;
-
- red >>= 8;
- green >>= 8;
- blue >>= 8;
-
- spin_lock_irqsave(&par->lock, flags);
-
- sbus_writel((u32)regno << 24, &bt->addr);
- sbus_writel((u32)red << 24, &bt->color_map);
- sbus_writel((u32)green << 24, &bt->color_map);
- sbus_writel((u32)blue << 24, &bt->color_map);
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-/**
- * cg6_blank - Optional function. Blanks the display.
- * @blank_mode: the blank mode we want.
- * @info: frame buffer structure that represents a single frame buffer
- */
-static int
-cg6_blank(int blank, struct fb_info *info)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct cg6_thc __iomem *thc = par->thc;
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&par->lock, flags);
-
- switch (blank) {
- case FB_BLANK_UNBLANK: /* Unblanking */
- val = sbus_readl(&thc->thc_misc);
- val |= CG6_THC_MISC_VIDEO;
- sbus_writel(val, &thc->thc_misc);
- par->flags &= ~CG6_FLAG_BLANKED;
- break;
-
- case FB_BLANK_NORMAL: /* Normal blanking */
- case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
- case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
- case FB_BLANK_POWERDOWN: /* Poweroff */
- val = sbus_readl(&thc->thc_misc);
- val &= ~CG6_THC_MISC_VIDEO;
- sbus_writel(val, &thc->thc_misc);
- par->flags |= CG6_FLAG_BLANKED;
- break;
- }
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-static struct sbus_mmap_map cg6_mmap_map[] = {
- {
- .voff = CG6_FBC,
- .poff = CG6_FBC_OFFSET,
- .size = PAGE_SIZE
- },
- {
- .voff = CG6_TEC,
- .poff = CG6_TEC_OFFSET,
- .size = PAGE_SIZE
- },
- {
- .voff = CG6_BTREGS,
- .poff = CG6_BROOKTREE_OFFSET,
- .size = PAGE_SIZE
- },
- {
- .voff = CG6_FHC,
- .poff = CG6_FHC_OFFSET,
- .size = PAGE_SIZE
- },
- {
- .voff = CG6_THC,
- .poff = CG6_THC_OFFSET,
- .size = PAGE_SIZE
- },
- {
- .voff = CG6_ROM,
- .poff = CG6_ROM_OFFSET,
- .size = 0x10000
- },
- {
- .voff = CG6_RAM,
- .poff = CG6_RAM_OFFSET,
- .size = SBUS_MMAP_FBSIZE(1)
- },
- {
- .voff = CG6_DHC,
- .poff = CG6_DHC_OFFSET,
- .size = 0x40000
- },
- { .size = 0 }
-};
-
-static int cg6_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
-{
- struct cg6_par *par = (struct cg6_par *)info->par;
-
- return sbusfb_mmap_helper(cg6_mmap_map,
- par->physbase, par->fbsize,
- par->sdev->reg_addrs[0].which_io,
- vma);
-}
-
-static int cg6_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, struct fb_info *info)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
-
- return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_SUNFAST_COLOR, 8, par->fbsize);
-}
-
-/*
- * Initialisation
- */
-
-static void
-cg6_init_fix(struct fb_info *info, int linebytes)
-{
- struct cg6_par *par = (struct cg6_par *)info->par;
- const char *cg6_cpu_name, *cg6_card_name;
- u32 conf;
-
- conf = sbus_readl(par->fhc);
- switch(conf & CG6_FHC_CPU_MASK) {
- case CG6_FHC_CPU_SPARC:
- cg6_cpu_name = "sparc";
- break;
- case CG6_FHC_CPU_68020:
- cg6_cpu_name = "68020";
- break;
- default:
- cg6_cpu_name = "i386";
- break;
- };
- if (((conf >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK) >= 11) {
- if (par->fbsize <= 0x100000) {
- cg6_card_name = "TGX";
- } else {
- cg6_card_name = "TGX+";
- }
- } else {
- if (par->fbsize <= 0x100000) {
- cg6_card_name = "GX";
- } else {
- cg6_card_name = "GX+";
- }
- }
-
- sprintf(info->fix.id, "%s %s", cg6_card_name, cg6_cpu_name);
- info->fix.id[sizeof(info->fix.id)-1] = 0;
-
- info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
-
- info->fix.line_length = linebytes;
-
- info->fix.accel = FB_ACCEL_SUN_CGSIX;
-}
-
-/* Initialize Brooktree DAC */
-static void cg6_bt_init(struct cg6_par *par)
-{
- struct bt_regs __iomem *bt = par->bt;
-
- sbus_writel(0x04 << 24, &bt->addr); /* color planes */
- sbus_writel(0xff << 24, &bt->control);
- sbus_writel(0x05 << 24, &bt->addr);
- sbus_writel(0x00 << 24, &bt->control);
- sbus_writel(0x06 << 24, &bt->addr); /* overlay plane */
- sbus_writel(0x73 << 24, &bt->control);
- sbus_writel(0x07 << 24, &bt->addr);
- sbus_writel(0x00 << 24, &bt->control);
-}
-
-static void cg6_chip_init(struct fb_info *info)
-{
- struct cg6_par *par = (struct cg6_par *) info->par;
- struct cg6_tec __iomem *tec = par->tec;
- struct cg6_fbc __iomem *fbc = par->fbc;
- u32 rev, conf, mode, tmp;
- int i;
-
- /* Turn off stuff in the Transform Engine. */
- sbus_writel(0, &tec->tec_matrix);
- sbus_writel(0, &tec->tec_clip);
- sbus_writel(0, &tec->tec_vdc);
-
- /* Take care of bugs in old revisions. */
- rev = (sbus_readl(par->fhc) >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK;
- if (rev < 5) {
- conf = (sbus_readl(par->fhc) & CG6_FHC_RES_MASK) |
- CG6_FHC_CPU_68020 | CG6_FHC_TEST |
- (11 << CG6_FHC_TEST_X_SHIFT) |
- (11 << CG6_FHC_TEST_Y_SHIFT);
- if (rev < 2)
- conf |= CG6_FHC_DST_DISABLE;
- sbus_writel(conf, par->fhc);
- }
-
- /* Set things in the FBC. Bad things appear to happen if we do
- * back to back store/loads on the mode register, so copy it
- * out instead. */
- mode = sbus_readl(&fbc->mode);
- do {
- i = sbus_readl(&fbc->s);
- } while (i & 0x10000000);
- mode &= ~(CG6_FBC_BLIT_MASK | CG6_FBC_MODE_MASK |
- CG6_FBC_DRAW_MASK | CG6_FBC_BWRITE0_MASK |
- CG6_FBC_BWRITE1_MASK | CG6_FBC_BREAD_MASK |
- CG6_FBC_BDISP_MASK);
- mode |= (CG6_FBC_BLIT_SRC | CG6_FBC_MODE_COLOR8 |
- CG6_FBC_DRAW_RENDER | CG6_FBC_BWRITE0_ENABLE |
- CG6_FBC_BWRITE1_DISABLE | CG6_FBC_BREAD_0 |
- CG6_FBC_BDISP_0);
- sbus_writel(mode, &fbc->mode);
-
- sbus_writel(0, &fbc->clip);
- sbus_writel(0, &fbc->offx);
- sbus_writel(0, &fbc->offy);
- sbus_writel(0, &fbc->clipminx);
- sbus_writel(0, &fbc->clipminy);
- sbus_writel(info->var.xres - 1, &fbc->clipmaxx);
- sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
-
- /* Disable cursor in Brooktree DAC. */
- sbus_writel(0x06 << 24, &par->bt->addr);
- tmp = sbus_readl(&par->bt->control);
- tmp &= ~(0x03 << 24);
- sbus_writel(tmp, &par->bt->control);
-}
-
-struct all_info {
- struct fb_info info;
- struct cg6_par par;
- struct list_head list;
-};
-static LIST_HEAD(cg6_list);
-
-static void cg6_init_one(struct sbus_dev *sdev)
-{
- struct all_info *all;
- int linebytes;
-
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "cg6: Cannot allocate memory.\n");
- return;
- }
- memset(all, 0, sizeof(*all));
-
- INIT_LIST_HEAD(&all->list);
-
- spin_lock_init(&all->par.lock);
- all->par.sdev = sdev;
-
- all->par.physbase = sdev->reg_addrs[0].phys_addr;
-
- sbusfb_fill_var(&all->info.var, sdev->prom_node, 8);
- all->info.var.red.length = 8;
- all->info.var.green.length = 8;
- all->info.var.blue.length = 8;
-
- linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
- all->info.var.xres);
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
- if (prom_getbool(sdev->prom_node, "dblbuf"))
- all->par.fbsize *= 4;
-
- all->par.fbc = sbus_ioremap(&sdev->resource[0], CG6_FBC_OFFSET,
- 4096, "cgsix fbc");
- all->par.tec = sbus_ioremap(&sdev->resource[0], CG6_TEC_OFFSET,
- sizeof(struct cg6_tec), "cgsix tec");
- all->par.thc = sbus_ioremap(&sdev->resource[0], CG6_THC_OFFSET,
- sizeof(struct cg6_thc), "cgsix thc");
- all->par.bt = sbus_ioremap(&sdev->resource[0], CG6_BROOKTREE_OFFSET,
- sizeof(struct bt_regs), "cgsix dac");
- all->par.fhc = sbus_ioremap(&sdev->resource[0], CG6_FHC_OFFSET,
- sizeof(u32), "cgsix fhc");
-
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT |
- FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
- all->info.fbops = &cg6_ops;
-#ifdef CONFIG_SPARC32
- all->info.screen_base = (char __iomem *)
- prom_getintdefault(sdev->prom_node, "address", 0);
-#endif
- if (!all->info.screen_base)
- all->info.screen_base =
- sbus_ioremap(&sdev->resource[0], CG6_RAM_OFFSET,
- all->par.fbsize, "cgsix ram");
- all->info.par = &all->par;
-
- all->info.var.accel_flags = FB_ACCELF_TEXT;
-
- cg6_bt_init(&all->par);
- cg6_chip_init(&all->info);
- cg6_blank(0, &all->info);
-
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- printk(KERN_ERR "cg6: Could not allocate color map.\n");
- kfree(all);
- return;
- }
-
- fb_set_cmap(&all->info.cmap, &all->info);
- cg6_init_fix(&all->info, linebytes);
-
- if (register_framebuffer(&all->info) < 0) {
- printk(KERN_ERR "cg6: Could not register framebuffer.\n");
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- return;
- }
-
- list_add(&all->list, &cg6_list);
-
- printk("cg6: CGsix [%s] at %lx:%lx\n",
- all->info.fix.id,
- (long) sdev->reg_addrs[0].which_io,
- (long) sdev->reg_addrs[0].phys_addr);
-}
-
-int __init cg6_init(void)
-{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
-
- if (fb_get_options("cg6fb", NULL))
- return -ENODEV;
-
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "cgsix") ||
- !strcmp(sdev->prom_name, "cgthree+"))
- cg6_init_one(sdev);
- }
-
- return 0;
-}
-
-void __exit cg6_exit(void)
-{
- struct list_head *pos, *tmp;
-
- list_for_each_safe(pos, tmp, &cg6_list) {
- struct all_info *all = list_entry(pos, typeof(*all), list);
-
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- }
-}
-
-int __init
-cg6_setup(char *arg)
-{
- /* No cmdline options yet... */
- return 0;
-}
-
-module_init(cg6_init);
-
-#ifdef MODULE
-module_exit(cg6_exit);
-#endif
-
-MODULE_DESCRIPTION("framebuffer driver for CGsix chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 13:42:36 +0000