diff options
Diffstat (limited to 'drivers/video/ffb.c')
| -rw-r--r-- | drivers/video/ffb.c | 1056 |
1 files changed, 0 insertions, 1056 deletions
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c deleted file mode 100644 index 2a0e8210d39..00000000000 --- a/drivers/video/ffb.c +++ /dev/null @@ -1,1056 +0,0 @@ -/* ffb.c: Creator/Elite3D frame buffer driver - * - * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) - * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@ultra.linux.cz) - * - * 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 <linux/timer.h> - -#include <asm/io.h> -#include <asm/upa.h> -#include <asm/prom.h> -#include <asm/of_device.h> -#include <asm/fbio.h> - -#include "sbuslib.h" - -/* - * Local functions. - */ - -static int ffb_setcolreg(unsigned, unsigned, unsigned, unsigned, - unsigned, struct fb_info *); -static int ffb_blank(int, struct fb_info *); -static void ffb_init_fix(struct fb_info *); - -static void ffb_imageblit(struct fb_info *, const struct fb_image *); -static void ffb_fillrect(struct fb_info *, const struct fb_fillrect *); -static void ffb_copyarea(struct fb_info *, const struct fb_copyarea *); -static int ffb_sync(struct fb_info *); -static int ffb_mmap(struct fb_info *, struct vm_area_struct *); -static int ffb_ioctl(struct fb_info *, unsigned int, unsigned long); -static int ffb_pan_display(struct fb_var_screeninfo *, struct fb_info *); - -/* - * Frame buffer operations - */ - -static struct fb_ops ffb_ops = { - .owner = THIS_MODULE, - .fb_setcolreg = ffb_setcolreg, - .fb_blank = ffb_blank, - .fb_pan_display = ffb_pan_display, - .fb_fillrect = ffb_fillrect, - .fb_copyarea = ffb_copyarea, - .fb_imageblit = ffb_imageblit, - .fb_sync = ffb_sync, - .fb_mmap = ffb_mmap, - .fb_ioctl = ffb_ioctl, -#ifdef CONFIG_COMPAT - .fb_compat_ioctl = sbusfb_compat_ioctl, -#endif -}; - -/* Register layout and definitions */ -#define FFB_SFB8R_VOFF 0x00000000 -#define FFB_SFB8G_VOFF 0x00400000 -#define FFB_SFB8B_VOFF 0x00800000 -#define FFB_SFB8X_VOFF 0x00c00000 -#define FFB_SFB32_VOFF 0x01000000 -#define FFB_SFB64_VOFF 0x02000000 -#define FFB_FBC_REGS_VOFF 0x04000000 -#define FFB_BM_FBC_REGS_VOFF 0x04002000 -#define FFB_DFB8R_VOFF 0x04004000 -#define FFB_DFB8G_VOFF 0x04404000 -#define FFB_DFB8B_VOFF 0x04804000 -#define FFB_DFB8X_VOFF 0x04c04000 -#define FFB_DFB24_VOFF 0x05004000 -#define FFB_DFB32_VOFF 0x06004000 -#define FFB_DFB422A_VOFF 0x07004000 /* DFB 422 mode write to A */ -#define FFB_DFB422AD_VOFF 0x07804000 /* DFB 422 mode with line doubling */ -#define FFB_DFB24B_VOFF 0x08004000 /* DFB 24bit mode write to B */ -#define FFB_DFB422B_VOFF 0x09004000 /* DFB 422 mode write to B */ -#define FFB_DFB422BD_VOFF 0x09804000 /* DFB 422 mode with line doubling */ -#define FFB_SFB16Z_VOFF 0x0a004000 /* 16bit mode Z planes */ -#define FFB_SFB8Z_VOFF 0x0a404000 /* 8bit mode Z planes */ -#define FFB_SFB422_VOFF 0x0ac04000 /* SFB 422 mode write to A/B */ -#define FFB_SFB422D_VOFF 0x0b404000 /* SFB 422 mode with line doubling */ -#define FFB_FBC_KREGS_VOFF 0x0bc04000 -#define FFB_DAC_VOFF 0x0bc06000 -#define FFB_PROM_VOFF 0x0bc08000 -#define FFB_EXP_VOFF 0x0bc18000 - -#define FFB_SFB8R_POFF 0x04000000UL -#define FFB_SFB8G_POFF 0x04400000UL -#define FFB_SFB8B_POFF 0x04800000UL -#define FFB_SFB8X_POFF 0x04c00000UL -#define FFB_SFB32_POFF 0x05000000UL -#define FFB_SFB64_POFF 0x06000000UL -#define FFB_FBC_REGS_POFF 0x00600000UL -#define FFB_BM_FBC_REGS_POFF 0x00600000UL -#define FFB_DFB8R_POFF 0x01000000UL -#define FFB_DFB8G_POFF 0x01400000UL -#define FFB_DFB8B_POFF 0x01800000UL -#define FFB_DFB8X_POFF 0x01c00000UL -#define FFB_DFB24_POFF 0x02000000UL -#define FFB_DFB32_POFF 0x03000000UL -#define FFB_FBC_KREGS_POFF 0x00610000UL -#define FFB_DAC_POFF 0x00400000UL -#define FFB_PROM_POFF 0x00000000UL -#define FFB_EXP_POFF 0x00200000UL -#define FFB_DFB422A_POFF 0x09000000UL -#define FFB_DFB422AD_POFF 0x09800000UL -#define FFB_DFB24B_POFF 0x0a000000UL -#define FFB_DFB422B_POFF 0x0b000000UL -#define FFB_DFB422BD_POFF 0x0b800000UL -#define FFB_SFB16Z_POFF 0x0c800000UL -#define FFB_SFB8Z_POFF 0x0c000000UL -#define FFB_SFB422_POFF 0x0d000000UL -#define FFB_SFB422D_POFF 0x0d800000UL - -/* Draw operations */ -#define FFB_DRAWOP_DOT 0x00 -#define FFB_DRAWOP_AADOT 0x01 -#define FFB_DRAWOP_BRLINECAP 0x02 -#define FFB_DRAWOP_BRLINEOPEN 0x03 -#define FFB_DRAWOP_DDLINE 0x04 -#define FFB_DRAWOP_AALINE 0x05 -#define FFB_DRAWOP_TRIANGLE 0x06 -#define FFB_DRAWOP_POLYGON 0x07 -#define FFB_DRAWOP_RECTANGLE 0x08 -#define FFB_DRAWOP_FASTFILL 0x09 -#define FFB_DRAWOP_BCOPY 0x0a -#define FFB_DRAWOP_VSCROLL 0x0b - -/* Pixel processor control */ -/* Force WID */ -#define FFB_PPC_FW_DISABLE 0x800000 -#define FFB_PPC_FW_ENABLE 0xc00000 -/* Auxiliary clip */ -#define FFB_PPC_ACE_DISABLE 0x040000 -#define FFB_PPC_ACE_AUX_SUB 0x080000 -#define FFB_PPC_ACE_AUX_ADD 0x0c0000 -/* Depth cue */ -#define FFB_PPC_DCE_DISABLE 0x020000 -#define FFB_PPC_DCE_ENABLE 0x030000 -/* Alpha blend */ -#define FFB_PPC_ABE_DISABLE 0x008000 -#define FFB_PPC_ABE_ENABLE 0x00c000 -/* View clip */ -#define FFB_PPC_VCE_DISABLE 0x001000 -#define FFB_PPC_VCE_2D 0x002000 -#define FFB_PPC_VCE_3D 0x003000 -/* Area pattern */ -#define FFB_PPC_APE_DISABLE 0x000800 -#define FFB_PPC_APE_ENABLE 0x000c00 -/* Transparent background */ -#define FFB_PPC_TBE_OPAQUE 0x000200 -#define FFB_PPC_TBE_TRANSPARENT 0x000300 -/* Z source */ -#define FFB_PPC_ZS_VAR 0x000080 -#define FFB_PPC_ZS_CONST 0x0000c0 -/* Y source */ -#define FFB_PPC_YS_VAR 0x000020 -#define FFB_PPC_YS_CONST 0x000030 -/* X source */ -#define FFB_PPC_XS_WID 0x000004 -#define FFB_PPC_XS_VAR 0x000008 -#define FFB_PPC_XS_CONST 0x00000c -/* Color (BGR) source */ -#define FFB_PPC_CS_VAR 0x000002 -#define FFB_PPC_CS_CONST 0x000003 - -#define FFB_ROP_NEW 0x83 -#define FFB_ROP_OLD 0x85 -#define FFB_ROP_NEW_XOR_OLD 0x86 - -#define FFB_UCSR_FIFO_MASK 0x00000fff -#define FFB_UCSR_FB_BUSY 0x01000000 -#define FFB_UCSR_RP_BUSY 0x02000000 -#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY) -#define FFB_UCSR_READ_ERR 0x40000000 -#define FFB_UCSR_FIFO_OVFL 0x80000000 -#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL) - -struct ffb_fbc { - /* Next vertex registers */ - u32 xxx1[3]; - u32 alpha; - u32 red; - u32 green; - u32 blue; - u32 depth; - u32 y; - u32 x; - u32 xxx2[2]; - u32 ryf; - u32 rxf; - u32 xxx3[2]; - - u32 dmyf; - u32 dmxf; - u32 xxx4[2]; - u32 ebyi; - u32 ebxi; - u32 xxx5[2]; - u32 by; - u32 bx; - u32 dy; - u32 dx; - u32 bh; - u32 bw; - u32 xxx6[2]; - - u32 xxx7[32]; - - /* Setup unit vertex state register */ - u32 suvtx; - u32 xxx8[63]; - - /* Control registers */ - u32 ppc; - u32 wid; - u32 fg; - u32 bg; - u32 consty; - u32 constz; - u32 xclip; - u32 dcss; - u32 vclipmin; - u32 vclipmax; - u32 vclipzmin; - u32 vclipzmax; - u32 dcsf; - u32 dcsb; - u32 dczf; - u32 dczb; - - u32 xxx9; - u32 blendc; - u32 blendc1; - u32 blendc2; - u32 fbramitc; - u32 fbc; - u32 rop; - u32 cmp; - u32 matchab; - u32 matchc; - u32 magnab; - u32 magnc; - u32 fbcfg0; - u32 fbcfg1; - u32 fbcfg2; - u32 fbcfg3; - - u32 ppcfg; - u32 pick; - u32 fillmode; - u32 fbramwac; - u32 pmask; - u32 xpmask; - u32 ypmask; - u32 zpmask; - u32 clip0min; - u32 clip0max; - u32 clip1min; - u32 clip1max; - u32 clip2min; - u32 clip2max; - u32 clip3min; - u32 clip3max; - - /* New 3dRAM III support regs */ - u32 rawblend2; - u32 rawpreblend; - u32 rawstencil; - u32 rawstencilctl; - u32 threedram1; - u32 threedram2; - u32 passin; - u32 rawclrdepth; - u32 rawpmask; - u32 rawcsrc; - u32 rawmatch; - u32 rawmagn; - u32 rawropblend; - u32 rawcmp; - u32 rawwac; - u32 fbramid; - - u32 drawop; - u32 xxx10[2]; - u32 fontlpat; - u32 xxx11; - u32 fontxy; - u32 fontw; - u32 fontinc; - u32 font; - u32 xxx12[3]; - u32 blend2; - u32 preblend; - u32 stencil; - u32 stencilctl; - - u32 xxx13[4]; - u32 dcss1; - u32 dcss2; - u32 dcss3; - u32 widpmask; - u32 dcs2; - u32 dcs3; - u32 dcs4; - u32 xxx14; - u32 dcd2; - u32 dcd3; - u32 dcd4; - u32 xxx15; - - u32 pattern[32]; - - u32 xxx16[256]; - - u32 devid; - u32 xxx17[63]; - - u32 ucsr; - u32 xxx18[31]; - - u32 mer; -}; - -struct ffb_dac { - u32 type; - u32 value; - u32 type2; - u32 value2; -}; - -struct ffb_par { - spinlock_t lock; - struct ffb_fbc __iomem *fbc; - struct ffb_dac __iomem *dac; - - u32 flags; -#define FFB_FLAG_AFB 0x00000001 -#define FFB_FLAG_BLANKED 0x00000002 - - u32 fg_cache __attribute__((aligned (8))); - u32 bg_cache; - u32 rop_cache; - - int fifo_cache; - - unsigned long physbase; - unsigned long fbsize; - - int dac_rev; - int board_type; -}; - -static void FFBFifo(struct ffb_par *par, int n) -{ - struct ffb_fbc __iomem *fbc; - int cache = par->fifo_cache; - - if (cache - n < 0) { - fbc = par->fbc; - do { cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK) - 8; - } while (cache - n < 0); - } - par->fifo_cache = cache - n; -} - -static void FFBWait(struct ffb_par *par) -{ - struct ffb_fbc __iomem *fbc; - int limit = 10000; - - fbc = par->fbc; - do { - if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_BUSY) == 0) - break; - if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) { - upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); - } - udelay(10); - } while(--limit > 0); -} - -static int ffb_sync(struct fb_info *p) -{ - struct ffb_par *par = (struct ffb_par *) p->par; - - FFBWait(par); - return 0; -} - -static __inline__ void ffb_rop(struct ffb_par *par, u32 rop) -{ - if (par->rop_cache != rop) { - FFBFifo(par, 1); - upa_writel(rop, &par->fbc->rop); - par->rop_cache = rop; - } -} - -static void ffb_switch_from_graph(struct ffb_par *par) -{ - struct ffb_fbc __iomem *fbc = par->fbc; - struct ffb_dac __iomem *dac = par->dac; - unsigned long flags; - - spin_lock_irqsave(&par->lock, flags); - FFBWait(par); - par->fifo_cache = 0; - FFBFifo(par, 7); - upa_writel(FFB_PPC_VCE_DISABLE|FFB_PPC_TBE_OPAQUE| - FFB_PPC_APE_DISABLE|FFB_PPC_CS_CONST, - &fbc->ppc); - upa_writel(0x2000707f, &fbc->fbc); - upa_writel(par->rop_cache, &fbc->rop); - upa_writel(0xffffffff, &fbc->pmask); - upa_writel((1 << 16) | (0 << 0), &fbc->fontinc); - upa_writel(par->fg_cache, &fbc->fg); - upa_writel(par->bg_cache, &fbc->bg); - FFBWait(par); - - /* Disable cursor. */ - upa_writel(0x100, &dac->type2); - if (par->dac_rev <= 2) - upa_writel(0, &dac->value2); - else - upa_writel(3, &dac->value2); - - spin_unlock_irqrestore(&par->lock, flags); -} - -static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - - /* We just use this to catch switches out of - * graphics mode. - */ - ffb_switch_from_graph(par); - - if (var->xoffset || var->yoffset || var->vmode) - return -EINVAL; - return 0; -} - -/** - * ffb_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 ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - struct ffb_fbc __iomem *fbc = par->fbc; - unsigned long flags; - u32 fg; - - BUG_ON(rect->rop != ROP_COPY && rect->rop != ROP_XOR); - - fg = ((u32 *)info->pseudo_palette)[rect->color]; - - spin_lock_irqsave(&par->lock, flags); - - if (fg != par->fg_cache) { - FFBFifo(par, 1); - upa_writel(fg, &fbc->fg); - par->fg_cache = fg; - } - - ffb_rop(par, (rect->rop == ROP_COPY ? - FFB_ROP_NEW : - FFB_ROP_NEW_XOR_OLD)); - - FFBFifo(par, 5); - upa_writel(FFB_DRAWOP_RECTANGLE, &fbc->drawop); - upa_writel(rect->dy, &fbc->by); - upa_writel(rect->dx, &fbc->bx); - upa_writel(rect->height, &fbc->bh); - upa_writel(rect->width, &fbc->bw); - - spin_unlock_irqrestore(&par->lock, flags); -} - -/** - * ffb_copyarea - REQUIRED function. Can use generic routines if - * non acclerated hardware and packed pixel based. - * Copies on area of the screen to another area. - * - * @info: frame buffer structure that represents a single frame buffer - * @area: structure defining the source and destination. - */ - -static void -ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - struct ffb_fbc __iomem *fbc = par->fbc; - unsigned long flags; - - if (area->dx != area->sx || - area->dy == area->sy) { - cfb_copyarea(info, area); - return; - } - - spin_lock_irqsave(&par->lock, flags); - - ffb_rop(par, FFB_ROP_OLD); - - FFBFifo(par, 7); - upa_writel(FFB_DRAWOP_VSCROLL, &fbc->drawop); - upa_writel(area->sy, &fbc->by); - upa_writel(area->sx, &fbc->bx); - upa_writel(area->dy, &fbc->dy); - upa_writel(area->dx, &fbc->dx); - upa_writel(area->height, &fbc->bh); - upa_writel(area->width, &fbc->bw); - - spin_unlock_irqrestore(&par->lock, flags); -} - -/** - * ffb_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 ffb_imageblit(struct fb_info *info, const struct fb_image *image) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - struct ffb_fbc __iomem *fbc = par->fbc; - const u8 *data = image->data; - unsigned long flags; - u32 fg, bg, xy; - u64 fgbg; - int i, width, stride; - - if (image->depth > 1) { - cfb_imageblit(info, image); - return; - } - - fg = ((u32 *)info->pseudo_palette)[image->fg_color]; - bg = ((u32 *)info->pseudo_palette)[image->bg_color]; - fgbg = ((u64) fg << 32) | (u64) bg; - xy = (image->dy << 16) | image->dx; - width = image->width; - stride = ((width + 7) >> 3); - - spin_lock_irqsave(&par->lock, flags); - - if (fgbg != *(u64 *)&par->fg_cache) { - FFBFifo(par, 2); - upa_writeq(fgbg, &fbc->fg); - *(u64 *)&par->fg_cache = fgbg; - } - - if (width >= 32) { - FFBFifo(par, 1); - upa_writel(32, &fbc->fontw); - } - - while (width >= 32) { - const u8 *next_data = data + 4; - - FFBFifo(par, 1); - upa_writel(xy, &fbc->fontxy); - xy += (32 << 0); - - for (i = 0; i < image->height; i++) { - u32 val = (((u32)data[0] << 24) | - ((u32)data[1] << 16) | - ((u32)data[2] << 8) | - ((u32)data[3] << 0)); - FFBFifo(par, 1); - upa_writel(val, &fbc->font); - - data += stride; - } - - data = next_data; - width -= 32; - } - - if (width) { - FFBFifo(par, 2); - upa_writel(width, &fbc->fontw); - upa_writel(xy, &fbc->fontxy); - - for (i = 0; i < image->height; i++) { - u32 val = (((u32)data[0] << 24) | - ((u32)data[1] << 16) | - ((u32)data[2] << 8) | - ((u32)data[3] << 0)); - FFBFifo(par, 1); - upa_writel(val, &fbc->font); - - data += stride; - } - } - - spin_unlock_irqrestore(&par->lock, flags); -} - -static void ffb_fixup_var_rgb(struct fb_var_screeninfo *var) -{ - var->red.offset = 0; - var->red.length = 8; - var->green.offset = 8; - var->green.length = 8; - var->blue.offset = 16; - var->blue.length = 8; - var->transp.offset = 0; - var->transp.length = 0; -} - -/** - * ffb_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 ffb_setcolreg(unsigned regno, - unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *info) -{ - u32 value; - - if (regno >= 256) - return 1; - - red >>= 8; - green >>= 8; - blue >>= 8; - - value = (blue << 16) | (green << 8) | red; - ((u32 *)info->pseudo_palette)[regno] = value; - - return 0; -} - -/** - * ffb_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 -ffb_blank(int blank, struct fb_info *info) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - struct ffb_dac __iomem *dac = par->dac; - unsigned long flags; - u32 tmp; - - spin_lock_irqsave(&par->lock, flags); - - FFBWait(par); - - switch (blank) { - case FB_BLANK_UNBLANK: /* Unblanking */ - upa_writel(0x6000, &dac->type); - tmp = (upa_readl(&dac->value) | 0x1); - upa_writel(0x6000, &dac->type); - upa_writel(tmp, &dac->value); - par->flags &= ~FFB_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 */ - upa_writel(0x6000, &dac->type); - tmp = (upa_readl(&dac->value) & ~0x1); - upa_writel(0x6000, &dac->type); - upa_writel(tmp, &dac->value); - par->flags |= FFB_FLAG_BLANKED; - break; - } - - spin_unlock_irqrestore(&par->lock, flags); - - return 0; -} - -static struct sbus_mmap_map ffb_mmap_map[] = { - { - .voff = FFB_SFB8R_VOFF, - .poff = FFB_SFB8R_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_SFB8G_VOFF, - .poff = FFB_SFB8G_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_SFB8B_VOFF, - .poff = FFB_SFB8B_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_SFB8X_VOFF, - .poff = FFB_SFB8X_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_SFB32_VOFF, - .poff = FFB_SFB32_POFF, - .size = 0x1000000 - }, - { - .voff = FFB_SFB64_VOFF, - .poff = FFB_SFB64_POFF, - .size = 0x2000000 - }, - { - .voff = FFB_FBC_REGS_VOFF, - .poff = FFB_FBC_REGS_POFF, - .size = 0x0002000 - }, - { - .voff = FFB_BM_FBC_REGS_VOFF, - .poff = FFB_BM_FBC_REGS_POFF, - .size = 0x0002000 - }, - { - .voff = FFB_DFB8R_VOFF, - .poff = FFB_DFB8R_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_DFB8G_VOFF, - .poff = FFB_DFB8G_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_DFB8B_VOFF, - .poff = FFB_DFB8B_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_DFB8X_VOFF, - .poff = FFB_DFB8X_POFF, - .size = 0x0400000 - }, - { - .voff = FFB_DFB24_VOFF, - .poff = FFB_DFB24_POFF, - .size = 0x1000000 - }, - { - .voff = FFB_DFB32_VOFF, - .poff = FFB_DFB32_POFF, - .size = 0x1000000 - }, - { - .voff = FFB_FBC_KREGS_VOFF, - .poff = FFB_FBC_KREGS_POFF, - .size = 0x0002000 - }, - { - .voff = FFB_DAC_VOFF, - .poff = FFB_DAC_POFF, - .size = 0x0002000 - }, - { - .voff = FFB_PROM_VOFF, - .poff = FFB_PROM_POFF, - .size = 0x0010000 - }, - { - .voff = FFB_EXP_VOFF, - .poff = FFB_EXP_POFF, - .size = 0x0002000 - }, - { - .voff = FFB_DFB422A_VOFF, - .poff = FFB_DFB422A_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_DFB422AD_VOFF, - .poff = FFB_DFB422AD_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_DFB24B_VOFF, - .poff = FFB_DFB24B_POFF, - .size = 0x1000000 - }, - { - .voff = FFB_DFB422B_VOFF, - .poff = FFB_DFB422B_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_DFB422BD_VOFF, - .poff = FFB_DFB422BD_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_SFB16Z_VOFF, - .poff = FFB_SFB16Z_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_SFB8Z_VOFF, - .poff = FFB_SFB8Z_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_SFB422_VOFF, - .poff = FFB_SFB422_POFF, - .size = 0x0800000 - }, - { - .voff = FFB_SFB422D_VOFF, - .poff = FFB_SFB422D_POFF, - .size = 0x0800000 - }, - { .size = 0 } -}; - -static int ffb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - struct ffb_par *par = (struct ffb_par *)info->par; - - return sbusfb_mmap_helper(ffb_mmap_map, - par->physbase, par->fbsize, - 0, vma); -} - -static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) -{ - struct ffb_par *par = (struct ffb_par *) info->par; - - return sbusfb_ioctl_helper(cmd, arg, info, - FBTYPE_CREATOR, 24, par->fbsize); -} - -/* - * Initialisation - */ - -static void -ffb_init_fix(struct fb_info *info) -{ - struct ffb_par *par = (struct ffb_par *)info->par; - const char *ffb_type_name; - - if (!(par->flags & FFB_FLAG_AFB)) { - if ((par->board_type & 0x7) == 0x3) - ffb_type_name = "Creator 3D"; - else - ffb_type_name = "Creator"; - } else - ffb_type_name = "Elite 3D"; - - strlcpy(info->fix.id, ffb_type_name, sizeof(info->fix.id)); - - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_TRUECOLOR; - - /* Framebuffer length is the same regardless of resolution. */ - info->fix.line_length = 8192; - - info->fix.accel = FB_ACCEL_SUN_CREATOR; -} - -struct all_info { - struct fb_info info; - struct ffb_par par; - u32 pseudo_palette[256]; -}; - -static int ffb_init_one(struct of_device *op) -{ - struct device_node *dp = op->node; - struct ffb_fbc __iomem *fbc; - struct ffb_dac __iomem *dac; - struct all_info *all; - int err; - - all = kzalloc(sizeof(*all), GFP_KERNEL); - if (!all) - return -ENOMEM; - - spin_lock_init(&all->par.lock); - all->par.fbc = of_ioremap(&op->resource[2], 0, - sizeof(struct ffb_fbc), "ffb fbc"); - if (!all->par.fbc) { - kfree(all); - return -ENOMEM; - } - - all->par.dac = of_ioremap(&op->resource[1], 0, - sizeof(struct ffb_dac), "ffb dac"); - if (!all->par.dac) { - of_iounmap(all->par.fbc, sizeof(struct ffb_fbc)); - kfree(all); - return -ENOMEM; - } - - all->par.rop_cache = FFB_ROP_NEW; - all->par.physbase = op->resource[0].start; - - /* Don't mention copyarea, so SCROLL_REDRAW is always - * used. It is the fastest on this chip. - */ - all->info.flags = (FBINFO_DEFAULT | - /* FBINFO_HWACCEL_COPYAREA | */ - FBINFO_HWACCEL_FILLRECT | - FBINFO_HWACCEL_IMAGEBLIT); - all->info.fbops = &ffb_ops; - all->info.screen_base = (char *) all->par.physbase + FFB_DFB24_POFF; - all->info.par = &all->par; - all->info.pseudo_palette = all->pseudo_palette; - - sbusfb_fill_var(&all->info.var, dp->node, 32); - all->par.fbsize = PAGE_ALIGN(all->info.var.xres * - all->info.var.yres * - 4); - ffb_fixup_var_rgb(&all->info.var); - - all->info.var.accel_flags = FB_ACCELF_TEXT; - - if (!strcmp(dp->name, "SUNW,afb")) - all->par.flags |= FFB_FLAG_AFB; - - all->par.board_type = of_getintprop_default(dp, "board_type", 0); - - fbc = all->par.fbc; - if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) - upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); - - ffb_switch_from_graph(&all->par); - - dac = all->par.dac; - upa_writel(0x8000, &dac->type); - all->par.dac_rev = upa_readl(&dac->value) >> 0x1c; - - /* Elite3D has different DAC revision numbering, and no DAC revisions - * have the reversed meaning of cursor enable. - */ - if (all->par.flags & FFB_FLAG_AFB) - all->par.dac_rev = 10; - - /* Unblank it just to be sure. When there are multiple - * FFB/AFB cards in the system, or it is not the OBP - * chosen console, it will have video outputs off in - * the DAC. - */ - ffb_blank(0, &all->info); - - if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { - printk(KERN_ERR "ffb: Could not allocate color map.\n"); - kfree(all); - return -ENOMEM; - } - - ffb_init_fix(&all->info); - - err = register_framebuffer(&all->info); - if (err < 0) { - printk(KERN_ERR "ffb: Could not register framebuffer.\n"); - fb_dealloc_cmap(&all->info.cmap); - kfree(all); - return err; - } - - dev_set_drvdata(&op->dev, all); - - printk("%s: %s at %016lx, type %d, DAC revision %d\n", - dp->full_name, - ((all->par.flags & FFB_FLAG_AFB) ? "AFB" : "FFB"), - all->par.physbase, all->par.board_type, all->par.dac_rev); - - return 0; -} - -static int __devinit ffb_probe(struct of_device *dev, const struct of_device_id *match) -{ - struct of_device *op = to_of_device(&dev->dev); - - return ffb_init_one(op); -} - -static int __devexit ffb_remove(struct of_device *dev) -{ - struct all_info *all = dev_get_drvdata(&dev->dev); - - unregister_framebuffer(&all->info); - fb_dealloc_cmap(&all->info.cmap); - - of_iounmap(all->par.fbc, sizeof(struct ffb_fbc)); - of_iounmap(all->par.dac, sizeof(struct ffb_dac)); - - kfree(all); - - dev_set_drvdata(&dev->dev, NULL); - - return 0; -} - -static struct of_device_id ffb_match[] = { - { - .name = "SUNW,ffb", - }, - { - .name = "SUNW,afb", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, ffb_match); - -static struct of_platform_driver ffb_driver = { - .name = "ffb", - .match_table = ffb_match, - .probe = ffb_probe, - .remove = __devexit_p(ffb_remove), -}; - -int __init ffb_init(void) -{ - if (fb_get_options("ffb", NULL)) - return -ENODEV; - - return of_register_driver(&ffb_driver, &of_bus_type); -} - -void __exit ffb_exit(void) -{ - of_unregister_driver(&ffb_driver); -} - -module_init(ffb_init); -module_exit(ffb_exit); - -MODULE_DESCRIPTION("framebuffer driver for Creator/Elite3D chipsets"); -MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); -MODULE_VERSION("2.0"); -MODULE_LICENSE("GPL"); |