diff options
| -rw-r--r-- | drivers/video/amifb.c | 2767 |
1 files changed, 1356 insertions, 1411 deletions
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c index 39d211ad164d..d7961bdc1124 100644 --- a/drivers/video/amifb.c +++ b/drivers/video/amifb.c @@ -1118,82 +1118,1213 @@ static u_short sprfetchmode[3] = { }; +/* --------------------------- Hardware routines --------------------------- */ + /* - * Interface used by the world + * Get the video params out of `var'. If a value doesn't fit, round + * it up, if it's too big, return -EINVAL. */ -int amifb_setup(char*); +static int ami_decode_var(struct fb_var_screeninfo *var, + struct amifb_par *par) +{ + u_short clk_shift, line_shift; + u_long maxfetchstop, fstrt, fsize, fconst, xres_n, yres_n; + u_int htotal, vtotal; -static int amifb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info); -static int amifb_set_par(struct fb_info *info); -static int amifb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info); -static int amifb_blank(int blank, struct fb_info *info); -static int amifb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info); -static void amifb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect); -static void amifb_copyarea(struct fb_info *info, - const struct fb_copyarea *region); -static void amifb_imageblit(struct fb_info *info, - const struct fb_image *image); -static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg); + /* + * Find a matching Pixel Clock + */ + for (clk_shift = TAG_SHRES; clk_shift <= TAG_LORES; clk_shift++) + if (var->pixclock <= pixclock[clk_shift]) + break; + if (clk_shift > TAG_LORES) { + DPRINTK("pixclock too high\n"); + return -EINVAL; + } + par->clk_shift = clk_shift; /* - * Interface to the low level console driver + * Check the Geometry Values */ -static void amifb_deinit(struct platform_device *pdev); + if ((par->xres = var->xres) < 64) + par->xres = 64; + if ((par->yres = var->yres) < 64) + par->yres = 64; + if ((par->vxres = var->xres_virtual) < par->xres) + par->vxres = par->xres; + if ((par->vyres = var->yres_virtual) < par->yres) + par->vyres = par->yres; + + par->bpp = var->bits_per_pixel; + if (!var->nonstd) { + if (par->bpp < 1) + par->bpp = 1; + if (par->bpp > maxdepth[clk_shift]) { + if (round_down_bpp && maxdepth[clk_shift]) + par->bpp = maxdepth[clk_shift]; + else { + DPRINTK("invalid bpp\n"); + return -EINVAL; + } + } + } else if (var->nonstd == FB_NONSTD_HAM) { + if (par->bpp < 6) + par->bpp = 6; + if (par->bpp != 6) { + if (par->bpp < 8) + par->bpp = 8; + if (par->bpp != 8 || !IS_AGA) { + DPRINTK("invalid bpp for ham mode\n"); + return -EINVAL; + } + } + } else { + DPRINTK("unknown nonstd mode\n"); + return -EINVAL; + } /* - * Internal routines + * FB_VMODE_SMOOTH_XPAN will be cleared, if one of the folloing + * checks failed and smooth scrolling is not possible */ -static int flash_cursor(void); -static irqreturn_t amifb_interrupt(int irq, void *dev_id); -static u_long chipalloc(u_long size); -static void chipfree(void); + par->vmode = var->vmode | FB_VMODE_SMOOTH_XPAN; + switch (par->vmode & FB_VMODE_MASK) { + case FB_VMODE_INTERLACED: + line_shift = 0; + break; + case FB_VMODE_NONINTERLACED: + line_shift = 1; + break; + case FB_VMODE_DOUBLE: + if (!IS_AGA) { + DPRINTK("double mode only possible with aga\n"); + return -EINVAL; + } + line_shift = 2; + break; + default: + DPRINTK("unknown video mode\n"); + return -EINVAL; + break; + } + par->line_shift = line_shift; /* - * Hardware routines + * Vertical and Horizontal Timings + */ + + xres_n = par->xres << clk_shift; + yres_n = par->yres << line_shift; + par->htotal = down8((var->left_margin + par->xres + var->right_margin + + var->hsync_len) << clk_shift); + par->vtotal = + down2(((var->upper_margin + par->yres + var->lower_margin + + var->vsync_len) << line_shift) + 1); + + if (IS_AGA) + par->bplcon3 = sprpixmode[clk_shift]; + else + par->bplcon3 = 0; + if (var->sync & FB_SYNC_BROADCAST) { + par->diwstop_h = par->htotal - + ((var->right_margin - var->hsync_len) << clk_shift); + if (IS_AGA) + par->diwstop_h += mod4(var->hsync_len); + else + par->diwstop_h = down4(par->diwstop_h); + + par->diwstrt_h = par->diwstop_h - xres_n; + par->diwstop_v = par->vtotal - + ((var->lower_margin - var->vsync_len) << line_shift); + par->diwstrt_v = par->diwstop_v - yres_n; + if (par->diwstop_h >= par->htotal + 8) { + DPRINTK("invalid diwstop_h\n"); + return -EINVAL; + } + if (par->diwstop_v > par->vtotal) { + DPRINTK("invalid diwstop_v\n"); + return -EINVAL; + } + + if (!IS_OCS) { + /* Initialize sync with some reasonable values for pwrsave */ + par->hsstrt = 160; + par->hsstop = 320; + par->vsstrt = 30; + par->vsstop = 34; + } else { + par->hsstrt = 0; + par->hsstop = 0; + par->vsstrt = 0; + par->vsstop = 0; + } + if (par->vtotal > (PAL_VTOTAL + NTSC_VTOTAL) / 2) { + /* PAL video mode */ + if (par->htotal != PAL_HTOTAL) { + DPRINTK("htotal invalid for pal\n"); + return -EINVAL; + } + if (par->diwstrt_h < PAL_DIWSTRT_H) { + DPRINTK("diwstrt_h too low for pal\n"); + return -EINVAL; + } + if (par->diwstrt_v < PAL_DIWSTRT_V) { + DPRINTK("diwstrt_v too low for pal\n"); + return -EINVAL; + } + htotal = PAL_HTOTAL>>clk_shift; + vtotal = PAL_VTOTAL>>1; + if (!IS_OCS) { + par->beamcon0 = BMC0_PAL; + par->bplcon3 |= BPC3_BRDRBLNK; + } else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) || + AMIGAHW_PRESENT(AGNUS_HR_NTSC)) { + par->beamcon0 = BMC0_PAL; + par->hsstop = 1; + } else if (amiga_vblank != 50) { + DPRINTK("pal not supported by this chipset\n"); + return -EINVAL; + } + } else { + /* NTSC video mode + * In the AGA chipset seems to be hardware bug with BPC3_BRDRBLNK + * and NTSC activated, so than better let diwstop_h <= 1812 + */ + if (par->htotal != NTSC_HTOTAL) { + DPRINTK("htotal invalid for ntsc\n"); + return -EINVAL; + } + if (par->diwstrt_h < NTSC_DIWSTRT_H) { + DPRINTK("diwstrt_h too low for ntsc\n"); + return -EINVAL; + } + if (par->diwstrt_v < NTSC_DIWSTRT_V) { + DPRINTK("diwstrt_v too low for ntsc\n"); + return -EINVAL; + } + htotal = NTSC_HTOTAL>>clk_shift; + vtotal = NTSC_VTOTAL>>1; + if (!IS_OCS) { + par->beamcon0 = 0; + par->bplcon3 |= BPC3_BRDRBLNK; + } else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) || + AMIGAHW_PRESENT(AGNUS_HR_NTSC)) { + par->beamcon0 = 0; + par->hsstop = 1; + } else if (amiga_vblank != 60) { + DPRINTK("ntsc not supported by this chipset\n"); + return -EINVAL; + } + } + if (IS_OCS) { + if (par->diwstrt_h >= 1024 || par->diwstop_h < 1024 || + par->diwstrt_v >= 512 || par->diwstop_v < 256) { + DPRINTK("invalid position for display on ocs\n"); + return -EINVAL; + } + } + } else if (!IS_OCS) { + /* Programmable video mode */ + par->hsstrt = var->right_margin << clk_shift; + par->hsstop = (var->right_margin + var->hsync_len) << clk_shift; + par->diwstop_h = par->htotal - mod8(par->hsstrt) + 8 - (1 << clk_shift); + if (!IS_AGA) + par->diwstop_h = down4(par->diwstop_h) - 16; + par->diwstrt_h = par->diwstop_h - xres_n; + par->hbstop = par->diwstrt_h + 4; + par->hbstrt = par->diwstop_h + 4; + if (par->hbstrt >= par->htotal + 8) + par->hbstrt -= par->htotal; + par->hcenter = par->hsstrt + (par->htotal >> 1); + par->vsstrt = var->lower_margin << line_shift; + par->vsstop = (var->lower_margin + var->vsync_len) << line_shift; + par->diwstop_v = par->vtotal; + if ((par->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) + par->diwstop_v -= 2; + par->diwstrt_v = par->diwstop_v - yres_n; + par->vbstop = par->diwstrt_v - 2; + par->vbstrt = par->diwstop_v - 2; + if (par->vtotal > 2048) { + DPRINTK("vtotal too high\n"); + return -EINVAL; + } + if (par->htotal > 2048) { + DPRINTK("htotal too high\n"); + return -EINVAL; + } + par->bplcon3 |= BPC3_EXTBLKEN; + par->beamcon0 = BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | + BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN | + BMC0_PAL | BMC0_VARCSYEN; + if (var->sync & FB_SYNC_HOR_HIGH_ACT) + par->beamcon0 |= BMC0_HSYTRUE; + if (var->sync & FB_SYNC_VERT_HIGH_ACT) + par->beamcon0 |= BMC0_VSYTRUE; + if (var->sync & FB_SYNC_COMP_HIGH_ACT) + par->beamcon0 |= BMC0_CSYTRUE; + htotal = par->htotal>>clk_shift; + vtotal = par->vtotal>>1; + } else { + DPRINTK("only broadcast modes possible for ocs\n"); + return -EINVAL; + } + + /* + * Checking the DMA timing + */ + + fconst = 16 << maxfmode << clk_shift; + + /* + * smallest window start value without turn off other dma cycles + * than sprite1-7, unless you change min_fstrt + */ + + + fsize = ((maxfmode + clk_shift <= 1) ? fconst : 64); + fstrt = downx(fconst, par->diwstrt_h - 4) - fsize; + if (fstrt < min_fstrt) { + DPRINTK("fetch start too low\n"); + return -EINVAL; + } + + /* + * smallest window start value where smooth scrolling is possible + */ + + fstrt = downx(fconst, par->diwstrt_h - fconst + (1 << clk_shift) - 4) - + fsize; + if (fstrt < min_fstrt) + par->vmode &= ~FB_VMODE_SMOOTH_XPAN; + + maxfetchstop = down16(par->htotal - 80); + + fstrt = downx(fconst, par->diwstrt_h - 4) - 64 - fconst; + fsize = upx(fconst, xres_n + + modx(fconst, downx(1 << clk_shift, par->diwstrt_h - 4))); + if (fstrt + fsize > maxfetchstop) + par->vmode &= ~FB_VMODE_SMOOTH_XPAN; + + fsize = upx(fconst, xres_n); + if (fstrt + fsize > maxfetchstop) { + DPRINTK("fetch stop too high\n"); + return -EINVAL; + } + + if (maxfmode + clk_shift <= 1) { + fsize = up64(xres_n + fconst - 1); + if (min_fstrt + fsize - 64 > maxfetchstop) + par->vmode &= ~FB_VMODE_SMOOTH_XPAN; + + fsize = up64(xres_n); + if (min_fstrt + fsize - 64 > maxfetchstop) { + DPRINTK("fetch size too high\n"); + return -EINVAL; + } + + fsize -= 64; + } else + fsize -= fconst; + + /* + * Check if there is enough time to update the bitplane pointers for ywrap + */ + + if (par->htotal - fsize - 64 < par->bpp * 64) + par->vmode &= ~FB_VMODE_YWRAP; + + /* + * Bitplane calculations and check the Memory Requirements + */ + + if (amifb_ilbm) { + par->next_plane = div8(upx(16 << maxfmode, par->vxres)); + par->next_line = par->bpp * par->next_plane; + if (par->next_line * par->vyres > fb_info.fix.smem_len) { + DPRINTK("too few video mem\n"); + return -EINVAL; + } + } else { + par->next_line = div8(upx(16 << maxfmode, par->vxres)); + par->next_plane = par->vyres * par->next_line; + if (par->next_plane * par->bpp > fb_info.fix.smem_len) { + DPRINTK("too few video mem\n"); + return -EINVAL; + } + } + + /* + * Hardware Register Values + */ + + par->bplcon0 = BPC0_COLOR | bplpixmode[clk_shift]; + if (!IS_OCS) + par->bplcon0 |= BPC0_ECSENA; + if (par->bpp == 8) + par->bplcon0 |= BPC0_BPU3; + else + par->bplcon0 |= par->bpp << 12; + if (var->nonstd == FB_NONSTD_HAM) + par->bplcon0 |= BPC0_HAM; + if (var->sync & FB_SYNC_EXT) + par->bplcon0 |= BPC0_ERSY; + + if (IS_AGA) + par->fmode = bplfetchmode[maxfmode]; + + switch (par->vmode & FB_VMODE_MASK) { + case FB_VMODE_INTERLACED: + par->bplcon0 |= BPC0_LACE; + break; + case FB_VMODE_DOUBLE: + if (IS_AGA) + par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2; + break; + } + + if (!((par->vmode ^ var->vmode) & FB_VMODE_YWRAP)) { + par->xoffset = var->xoffset; + par->yoffset = var->yoffset; + if (par->vmode & FB_VMODE_YWRAP) { + if (par->xoffset || par->yoffset < 0 || + par->yoffset >= par->vyres) + par->xoffset = par->yoffset = 0; + } else { + if (par->xoffset < 0 || + par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) || + par->yoffset < 0 || par->yoffset > par->vyres - par->yres) + par->xoffset = par->yoffset = 0; + } + } else + par->xoffset = par->yoffset = 0; + + par->crsr.crsr_x = par->crsr.crsr_y = 0; + par->crsr.spot_x = par->crsr.spot_y = 0; + par->crsr.height = par->crsr.width = 0; + + return 0; +} + + /* + * Fill the `var' structure based on the values in `par' and maybe + * other values read out of the hardware. */ -static int ami_decode_var(struct fb_var_screeninfo *var, - struct amifb_par *par); static int ami_encode_var(struct fb_var_screeninfo *var, - struct amifb_par *par); -static void ami_pan_var(struct fb_var_screeninfo *var); -static int ami_update_par(void); -static void ami_update_display(void); -static void ami_init_display(void); -static void ami_do_blank(void); -static int ami_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix); -static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data); -static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data); -static int ami_get_cursorstate(struct fb_cursorstate *state); -static int ami_set_cursorstate(struct fb_cursorstate *state); -static void ami_set_sprite(void); -static void ami_init_copper(void); -static void ami_reinit_copper(void); -static void ami_build_copper(void); -static void ami_rebuild_copper(void); + struct amifb_par *par) +{ + u_short clk_shift, line_shift; + memset(var, 0, sizeof(struct fb_var_screeninfo)); + + clk_shift = par->clk_shift; + line_shift = par->line_shift; + + var->xres = par->xres; + var->yres = par->yres; + var->xres_virtual = par->vxres; + var->yres_virtual = par->vyres; + var->xoffset = par->xoffset; + var->yoffset = par->yoffset; + + var->bits_per_pixel = par->bpp; + var->grayscale = 0; + + var->red.offset = 0; + var->red.msb_right = 0; + var->red.length = par->bpp; + if (par->bplcon0 & BPC0_HAM) + var->red.length -= 2; + var->blue = var->green = var->red; + var->transp.offset = 0; + var->transp.length = 0; + var->transp.msb_right = 0; + + if (par->bplcon0 & BPC0_HAM) + var->nonstd = FB_NONSTD_HAM; + else + var->nonstd = 0; + var->activate = 0; + + var->height = -1; + var->width = -1; + + var->pixclock = pixclock[clk_shift]; + + if (IS_AGA && par->fmode & FMODE_BSCAN2) + var->vmode = FB_VMODE_DOUBLE; + else if (par->bplcon0 & BPC0_LACE) + var->vmode = FB_VMODE_INTERLACED; + else + var->vmode = FB_VMODE_NONINTERLACED; + + if (!IS_OCS && par->beamcon0 & BMC0_VARBEAMEN) { + var->hsync_len = (par->hsstop - par->hsstrt)>>clk_shift; + var->right_margin = par->hsstrt>>clk_shift; + var->left_margin = (par->htotal>>clk_shift) - var->xres - var->right_margin - var->hsync_len; + var->vsync_len = (par->vsstop - par->vsstrt)>>line_shift; + var->lower_margin = par->vsstrt>>line_shift; + var->upper_margin = (par->vtotal>>line_shift) - var->yres - var->lower_margin - var->vsync_len; + var->sync = 0; + if (par->beamcon0 & BMC0_HSYTRUE) + var->sync |= FB_SYNC_HOR_HIGH_ACT; + if (par->beamcon0 & BMC0_VSYTRUE) + var->sync |= FB_SYNC_VERT_HIGH_ACT; + if (par->beamcon0 & BMC0_CSYTRUE) + var->sync |= FB_SYNC_COMP_HIGH_ACT; + } else { + var->sync = FB_SYNC_BROADCAST; + var->hsync_len = (152>>clk_shift) + mod4(par->diwstop_h); + var->right_margin = ((par->htotal - down4(par->diwstop_h))>>clk_shift) + var->hsync_len; + var->left_margin = (par->htotal>>clk_shift) - var->xres - var->right_margin - var->hsync_len; + var->vsync_len = 4>>line_shift; + var->lower_margin = ((par->vtotal - par->diwstop_v)>>line_shift) + var->vsync_len; + var->upper_margin = (((par->vtotal - 2)>>line_shift) + 1) - var->yres - + var->lower_margin - var->vsync_len; + } + + if (par->bplcon0 & BPC0_ERSY) + var->sync |= FB_SYNC_EXT; + if (par->vmode & FB_VMODE_YWRAP) + var->vmode |= FB_VMODE_YWRAP; + + return 0; +} + + + /* + * Update hardware + */ + +static int ami_update_par(void) +{ + struct amifb_par *par = ¤tpar; + short clk_shift, vshift, fstrt, fsize, fstop, fconst, shift, move, mod; + + clk_shift = par->clk_shift; + + if (!(par->vmode & FB_VMODE_SMOOTH_XPAN)) + par->xoffset = upx(16 << maxfmode, par->xoffset); + + fconst = 16 << maxfmode << clk_shift; + vshift = modx(16 << maxfmode, par->xoffset); + fstrt = par->diwstrt_h - (vshift << clk_shift) - 4; + fsize = (par->xres + vshift) << clk_shift; + shift = modx(fconst, fstrt); + move = downx(2 << maxfmode, div8(par->xoffset)); + if (maxfmode + clk_shift > 1) { + fstrt = downx(fconst, fstrt) - 64; + fsize = upx(fconst, fsize); + fstop = fstrt + fsize - fconst; + } else { + mod = fstrt = downx(fconst, fstrt) - fconst; + fstop = fstrt + upx(fconst, fsize) - 64; + fsize = up64(fsize); + fstrt = fstop - fsize + 64; + if (fstrt < min_fstrt) { + fstop += min_fstrt - fstrt; + fstrt = min_fstrt; + } + move = move - div8((mod - fstrt)>>clk_shift); + } + mod = par->next_line - div8(fsize>>clk_shift); + par->ddfstrt = fstrt; + par->ddfstop = fstop; + par->bplcon1 = hscroll2hw(shift); + par->bpl2mod = mod; + if (par->bplcon0 & BPC0_LACE) + par->bpl2mod += par->next_line; + if (IS_AGA && (par->fmode & FMODE_BSCAN2)) + par->bpl1mod = -div8(fsize>>clk_shift); + else + par->bpl1mod = par->bpl2mod; + + if (par->yoffset) { + par->bplpt0 = fb_info.fix.smem_start + + par->next_line * par->yoffset + move; + if (par->vmode & FB_VMODE_YWRAP) { + if (par->yoffset > par->vyres - par->yres) { + par->bplpt0wrap = fb_info.fix.smem_start + move; + if (par->bplcon0 & BPC0_LACE && + mod2(par->diwstrt_v + par->vyres - + par->yoffset)) + par->bplpt0wrap += par->next_line; + } + } + } else + par->bplpt0 = fb_info.fix.smem_start + move; + + if (par->bplcon0 & BPC0_LACE && mod2(par->diwstrt_v)) + par->bplpt0 += par->next_line; + + return 0; +} + + + /* + * Pan or Wrap the Display + * + * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag + * in `var'. + */ + +static void ami_pan_var(struct fb_var_screeninfo *var) +{ + struct amifb_par *par = ¤tpar; + + par->xoffset = var->xoffset; + par->yoffset = var->yoffset; + if (var->vmode & FB_VMODE_YWRAP) + par->vmode |= FB_VMODE_YWRAP; + else + par->vmode &= ~FB_VMODE_YWRAP; + + do_vmode_pan = 0; + ami_update_par(); + do_vmode_pan = 1; +} + + +static void ami_update_display(void) +{ + struct amifb_par *par = ¤tpar; + + custom.bplcon1 = par->bplcon1; + custom.bpl1mod = par->bpl1mod; + custom.bpl2mod = par->bpl2mod; + custom.ddfstrt = ddfstrt2hw(par->ddfstrt); + custom.ddfstop = ddfstop2hw(par->ddfstop); +} + + /* + * Change the video mode (called by VBlank interrupt) + */ + +static void ami_init_display(void) +{ + struct amifb_par *par = ¤tpar; + int i; + + custom.bplcon0 = par->bplcon0 & ~BPC0_LACE; + custom.bplcon2 = (IS_OCS ? 0 : BPC2_KILLEHB) | BPC2_PF2P2 | BPC2_PF1P2; + if (!IS_OCS) { + custom.bplcon3 = par->bplcon3; + if (IS_AGA) + custom.bplcon4 = BPC4_ESPRM4 | BPC4_OSPRM4; + if (par->beamcon0 & BMC0_VARBEAMEN) { + custom.htotal = htotal2hw(par->htotal); + custom.hbstrt = hbstrt2hw(par->hbstrt); + custom.hbstop = hbstop2hw(par->hbstop); + custom.hsstrt = hsstrt2hw(par->hsstrt); + custom.hsstop = hsstop2hw(par->hsstop); + custom.hcenter = hcenter2hw(par->hcenter); + custom.vtotal = vtotal2hw(par->vtotal); + custom.vbstrt = vbstrt2hw(par->vbstrt); + custom.vbstop = vbstop2hw(par->vbstop); + custom.vsstrt = vsstrt2hw(par->vsstrt); + custom.vsstop = vsstop2hw(par->vsstop); + } + } + if (!IS_OCS || par->hsstop) + custom.beamcon0 = par->beamcon0; + if (IS_AGA) + custom.fmode = par->fmode; + + /* + * The minimum period for audio depends on htotal + */ + + amiga_audio_min_period = div16(par->htotal); + + is_lace = par->bplcon0 & BPC0_LACE ? 1 : 0; +#if 1 + if (is_lace) { + i = custom.vposr >> 15; + } else { + custom.vposw = custom.vposr | 0x8000; + i = 1; + } +#else + i = 1; + custom.vposw = custom.vposr | 0x8000; +#endif + custom.cop2lc = (u_short *)ZTWO_PADDR(copdisplay.list[currentcop][i]); +} + + /* + * (Un)Blank the screen (called by VBlank interrupt) + */ + +static void ami_do_blank(void) +{ + struct amifb_par *par = ¤tpar; +#if defined(CONFIG_FB_AMIGA_AGA) + u_short bplcon3 = par->bplcon3; +#endif + u_char red, green, blue; + + if (do_blank > 0) { + custom.dmacon = DMAF_RASTER | DMAF_SPRITE; + red = green = blue = 0; + if (!IS_OCS && do_blank > 1) { + switch (do_blank) { + case FB_BLANK_VSYNC_SUSPEND: + custom.hsstrt = hsstrt2hw(par->hsstrt); + custom.hsstop = hsstop2hw(par->hsstop); + custom.vsstrt = vsstrt2hw(par->vtotal + 4); + custom.vsstop = vsstop2hw(par->vtotal + 4); + break; + case FB_BLANK_HSYNC_SUSPEND: + custom.hsstrt = hsstrt2hw(par->htotal + 16); + custom.hsstop = hsstop2hw(par->htotal + 16); + custom.vsstrt = vsstrt2hw(par->vsstrt); + custom.vsstop = vsstrt2hw(par->vsstop); + break; + case FB_BLANK_POWERDOWN: + custom.hsstrt = hsstrt2hw(par->htotal + 16); + custom.hsstop = hsstop2hw(par->htotal + 16); + custom.vsstrt = vsstrt2hw(par->vtotal + 4); + custom.vsstop = vsstop2hw(par->vtotal + 4); + break; + } + if (!(par->beamcon0 & BMC0_VARBEAMEN)) { + custom.htotal = htotal2hw(par->htotal); + custom.vtotal = vtotal2hw(par->vtotal); + custom.beamcon0 = BMC0_HARDDIS | BMC0_VARBEAMEN | + BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARCSYEN; + } + } + } else { + custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_SPRITE; + red = red0; + green = green0; + blue = blue0; + if (!IS_OCS) { + custom.hsstrt = hsstrt2hw(par->hsstrt); + custom.hsstop = hsstop2hw(par->hsstop); + custom.vsstrt = vsstrt2hw(par->vsstrt); + custom.vsstop = vsstop2hw(par->vsstop); + custom.beamcon0 = par->beamcon0; + } + } +#if defined(CONFIG_FB_AMIGA_AGA) + if (IS_AGA) { + custom.bplcon3 = bplcon3; + custom.color[0] = rgb2hw8_high(red, green, blue); + custom.bplcon3 = bplcon3 | BPC3_LOCT; + custom.color[0] = rgb2hw8_low(red, green, blue); + custom.bplcon3 = bplcon3; + } else +#endif +#if defined(CONFIG_FB_AMIGA_ECS) + if (par->bplcon0 & BPC0_SHRES) { + u_short color, mask; + int i; + + mask = 0x3333; + color = rgb2hw2(red, green, blue); + for (i = 12; i >= 0; i -= 4) + custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; + mask <<= 2; color >>= 2; + for (i = 3; i >= 0; i--) + custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; + } else +#endif + custom.color[0] = rgb2hw4(red, green, blue); + is_blanked = do_blank > 0 ? do_blank : 0; +} + +static int ami_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix) +{ + struct amifb_par *par = ¤tpar; + + fix->crsr_width = fix->crsr_xsize = par->crsr.width; + fix->crsr_height = fix->crsr_ysize = par->crsr.height; + fix->crsr_color1 = 17; + fix->crsr_color2 = 18; + return 0; +} + +static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data) +{ + struct amifb_par *par = ¤tpar; + register u_short *lspr, *sspr; +#ifdef __mc68000__ + register u_long datawords asm ("d2"); +#else + register u_long datawords; +#endif + register short delta; + register u_char color; + short height, width, bits, words; + int size, alloc; + + size = par->crsr.height * par->crsr.width; + alloc = var->height * var->width; + var->height = par->crsr.height; + var->width = par->crsr.width; + var->xspot = par->crsr.spot_x; + var->yspot = par->crsr.spot_y; + if (size > var->height * var->width) + return -ENAMETOOLONG; + if (!access_ok(VERIFY_WRITE, data, size)) + return -EFAULT; + delta = 1 << par->crsr.fmode; + lspr = lofsprite + (delta << 1); + if (par->bplcon0 & BPC0_LACE) + sspr = shfsprite + (delta << 1); + else + sspr = NULL; + for (height = (short)var->height - 1; height >= 0; height--) { + bits = 0; words = delta; datawords = 0; + for (width = (short)var->width - 1; width >= 0; width--) { + if (bits == 0) { + bits = 16; --words; +#ifdef __mc68000__ + asm volatile ("movew %1@(%3:w:2),%0 ; swap %0 ; movew %1@+,%0" + : "=d" (datawords), "=a" (lspr) : "1" (lspr), "d" (delta)); +#else + datawords = (*(lspr + delta) << 16) | (*lspr++); +#endif + } + --bits; +#ifdef __mc68000__ + asm volatile ( + "clrb %0 ; swap %1 ; lslw #1,%1 ; roxlb #1,%0 ; " + "swap %1 ; lslw #1,%1 ; roxlb #1,%0" + : "=d" (color), "=d" (datawords) : "1" (datawords)); +#else + color = (((datawords >> 30) & 2) + | ((datawords >> 15) & 1)); + datawords <<= 1; +#endif + put_user(color, data++); + } + if (bits > 0) { + --words; ++lspr; + } + while (--words >= 0) + ++lspr; +#ifdef __mc68000__ + asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:" + : "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta)); +#else + lspr += delta; + if (sspr) { + u_short *tmp = lspr; + lspr = sspr; + sspr = tmp; + } +#endif + } + return 0; +} + +static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data) +{ + struct amifb_par *par = ¤tpar; + register u_short *lspr, *sspr; +#ifdef __mc68000__ + register u_long datawords asm ("d2"); +#else + register u_long datawords; +#endif + register short delta; + u_short fmode; + short height, width, bits, words; + + if (!var->width) + return -EINVAL; + else if (var->width <= 16) + fmode = TAG_FMODE_1; + else if (var->width <= 32) + fmode = TAG_FMODE_2; + else if (var->width <= 64) + fmode = TAG_FMODE_4; + else + return -EINVAL; + if (fmode > maxfmode) + return -EINVAL; + if (!var->height) + return -EINVAL; + if (!access_ok(VERIFY_READ, data, var->width * var->height)) + return -EFAULT; + delta = 1 << fmode; + lofsprite = shfsprite = (u_short *)spritememory; + lspr = lofsprite + (delta << 1); + if (par->bplcon0 & BPC0_LACE) { + if (((var->height + 4) << fmode << 2) > SPRITEMEMSIZE) + return -EINVAL; + memset(lspr, 0, (var->height + 4) << fmode << 2); + shfsprite += ((var->height + 5)&-2) << fmode; + sspr = shfsprite + (delta << 1); + } else { + if (((var->height + 2) << fmode << 2) > SPRITEMEMSIZE) + return -EINVAL; + memset(lspr, 0, (var->height + 2) << fmode << 2); + sspr = NULL; + } + for (height = (short)var->height - 1; height >= 0; height--) { + bits = 16; words = delta; datawords = 0; + for (width = (short)var->width - 1; width >= 0; width--) { + unsigned long tdata = 0; + get_user(tdata, data); + data++; +#ifdef __mc68000__ + asm volatile ( + "lsrb #1,%2 ; roxlw #1,%0 ; swap %0 ; " + "lsrb #1,%2 ; roxlw #1,%0 ; swap %0" + : "=d" (datawords) + : "0" (datawords), "d" (tdata)); +#else + datawords = ((datawords << 1) & 0xfffefffe); + datawords |= tdata & 1; + datawords |= (tdata & 2) << (16 - 1); +#endif + if (--bits == 0) { + bits = 16; --words; +#ifdef __mc68000__ + asm volatile ("swap %2 ; movew %2,%0@(%3:w:2) ; swap %2 ; movew %2,%0@+" + : "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta)); +#else + *(lspr + delta) = (u_short) (datawords >> 16); + *lspr++ = (u_short) (datawords & 0xffff); +#endif + } + } + if (bits < 16) { + --words; +#ifdef __mc68000__ + asm volatile ( + "swap %2 ; lslw %4,%2 ; movew %2,%0@(%3:w:2) ; " + "swap %2 ; lslw %4,%2 ; movew %2,%0@+" + : "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta), "d" (bits)); +#else + *(lspr + delta) = (u_short) (datawords >> (16 + bits)); + *lspr++ = (u_short) ((datawords & 0x0000ffff) >> bits); +#endif + } + while (--words >= 0) { +#ifdef __mc68000__ + asm volatile ("moveql #0,%%d0 ; movew %%d0,%0@(%2:w:2) ; movew %%d0,%0@+" + : "=a" (lspr) : "0" (lspr), "d" (delta) : "d0"); +#else + *(lspr + delta) = 0; + *lspr++ = 0; +#endif + } +#ifdef __mc68000__ + asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:" + : "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta)); +#else + lspr += delta; + if (sspr) { + u_short *tmp = lspr; + lspr = sspr; + sspr = tmp; + } +#endif + } + par->crsr.height = var->height; + par->crsr.width = var->width; + par->crsr.spot_x = var->xspot; + par->crsr.spot_y = var->yspot; + par->crsr.fmode = fmode; + if (IS_AGA) { + par->fmode &= ~(FMODE_SPAGEM | FMODE_SPR32); + par->fmode |= sprfetchmode[fmode]; + custom.fmode = par->fmode; + } + return 0; +} + +static int ami_get_cursorstate(struct fb_cursorstate *state) +{ + struct amifb_par *par = ¤tpar; + + state->xoffset = par->crsr.crsr_x; + state->yoffset = par->crsr.crsr_y; + state->mode = cursormode; + return 0; +} + +static int ami_set_cursorstate(struct fb_cursorstate *state) +{ + struct amifb_par *par = ¤tpar; + + par->crsr.crsr_x = state->xoffset; + par->crsr.crsr_y = state->yoffset; + if ((cursormode = state->mode) == FB_CURSOR_OFF) + cursorstate = -1; + do_cursor = 1; + return 0; +} + +static void ami_set_sprite(void) +{ + struct amifb_par *par = ¤tpar; + copins *copl, *cops; + u_short hs, vs, ve; + u_long pl, ps, pt; + short mx, my; + + cops = copdisplay.list[currentcop][0]; + copl = copdisplay.list[currentcop][1]; + ps = pl = ZTWO_PADDR(dummysprite); + mx = par->crsr.crsr_x - par->crsr.spot_x; + my = par->crsr.crsr_y - par->crsr.spot_y; + if (!(par->vmode & FB_VMODE_YWRAP)) { + mx -= par->xoffset; + my -= par->yoffset; + } + if (!is_blanked && cursorstate > 0 && par->crsr.height > 0 && + mx > -(short)par->crsr.width && mx < par->xres && + my > -(short)par->crsr.height && my < par->yres) { + pl = ZTWO_PADDR(lofsprite); + hs = par->diwstrt_h + (mx << par->clk_shift) - 4; + vs = par->diwstrt_v + (my << par->line_shift); + ve = vs + (par->crsr.height << par->line_shift); + if (par->bplcon0 & BPC0_LACE) { + ps = ZTWO_PADDR(shfsprite); + lofsprite[0] = spr2hw_pos(vs, hs); + shfsprite[0] = spr2hw_pos(vs + 1, hs); + if (mod2(vs)) { + lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve); + shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve + 1); + pt = pl; pl = ps; ps = pt; + } else { + lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve + 1); + shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve); + } + } else { + lofsprite[0] = spr2hw_pos(vs, hs) | (IS_AGA && (par->fmode & FMODE_BSCAN2) ? 0x80 : 0); + lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve); + } + } + copl[cop_spr0ptrh].w[1] = highw(pl); + copl[cop_spr0ptrl].w[1] = loww(pl); + if (par->bplcon0 & BPC0_LACE) { + cops[cop_spr0ptrh].w[1] = highw(ps); + cops[cop_spr0ptrl].w[1] = loww(ps); + } +} + + + /* + * Initialise the Copper Initialisation List + */ + +static void __init ami_init_copper(void) +{ + copins *cop = copdisplay.init; + u_long p; + int i; + + if (!IS_OCS) { + (cop++)->l = CMOVE(BPC0_COLOR | BPC0_SHRES | BPC0_ECSENA, bplcon0); + (cop++)->l = CMOVE(0x0181, diwstrt); + (cop++)->l = CMOVE(0x0281, diwstop); + (cop++)->l = CMOVE(0x0000, diwhigh); + } else + (cop++)->l = CMOVE(BPC0_COLOR, bplcon0); + p = ZTWO_PADDR(dummysprite); + for (i = 0; i < 8; i++) { + (cop++)->l = CMOVE(0, spr[i].pos); + (cop++)->l = CMOVE(highw(p), sprpt[i]); + (cop++)->l = CMOVE2(loww(p), sprpt[i]); + } + + (cop++)->l = CMOVE(IF_SETCLR | IF_COPER, intreq); + copdisplay.wait = cop; + (cop++)->l = CEND; + (cop++)->l = CMOVE(0, copjmp2); + cop->l = CEND; + + custom.cop1lc = (u_short *)ZTWO_PADDR(copdisplay.init); + custom.copjmp1 = 0; +} + +static void ami_reinit_copper(void) +{ + struct amifb_par *par = ¤tpar; + + copdisplay.init[cip_bplcon0].w[1] = ~(BPC0_BPU3 | BPC0_BPU2 | BPC0_BPU1 | BPC0_BPU0) & par->bplcon0; + copdisplay.wait->l = CWAIT(32, par->diwstrt_v - 4); +} + + + /* + * Rebuild the Copper List + * + * We only change the things that are not static + */ + +static void ami_rebuild_copper(void) +{ + struct amifb_par *par = ¤tpar; + copins *copl, *cops; + u_short line, h_end1, h_end2; + short i; + u_long p; + + if (IS_AGA && maxfmode + par->clk_shift == 0) + h_end1 = par->diwstrt_h - 64; + else + h_end1 = par->htotal - 32; + h_end2 = par->ddfstop + 64; + + ami_set_sprite(); + + copl = copdisplay.rebuild[1]; + p = par->bplpt0; + if (par->vmode & FB_VMODE_YWRAP) { + if ((par->vyres - par->yoffset) != 1 || !mod2(par->diwstrt_v)) { + if (par->yoffset > par->vyres - par->yres) { + for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { + (copl++)->l = CMOVE(highw(p), bplpt[i]); + (copl++)->l = CMOVE2(loww(p), bplpt[i]); + } + line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 1; + while (line >= 512) { + (copl++)->l = CWAIT(h_end1, 510); + line -= 512; + } + if (line >= 510 && IS_AGA && maxfmode + par->clk_shift == 0) + (copl++)->l = CWAIT(h_end1, line); + else + (copl++)->l = CWAIT(h_end2, line); + p = par->bplpt0wrap; + } + } else + p = par->bplpt0wrap; + } + for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { + (copl++)->l = CMOVE(highw(p), bplpt[i]); + (copl++)->l = CMOVE2(loww(p), bplpt[i]); + } + copl->l = CEND; + + if (par->bplcon0 & BPC0_LACE) { + cops = copdisplay.rebuild[0]; + p = par->bplpt0; + if (mod2(par->diwstrt_v)) + p -= par->next_line; + else + p += par->next_line; + if (par->vmode & FB_VMODE_YWRAP) { + if ((par->vyres - par->yoffset) != 1 || mod2(par->diwstrt_v)) { + if (par->yoffset > par->vyres - par->yres + 1) { + for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { + (cops++)->l = CMOVE(highw(p), bplpt[i]); + (cops++)->l = CMOVE2(loww(p), bplpt[i]); + } + line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 2; + while (line >= 512) { + (cops++)->l = CWAIT(h_end1, 510); + line -= 512; + } + if (line > 510 && IS_AGA && maxfmode + par->clk_shift == 0) + (cops++)->l = CWAIT(h_end1, line); + else + (cops++)->l = CWAIT(h_end2, line); + p = par->bplpt0wrap; + if (mod2(par->diwstrt_v + par->vyres - + par->yoffset)) + p -= par->next_line; + else + p += par->next_line; + } + } else + p = par->bplpt0wrap - par->next_line; + } + for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { + (cops++)->l = CMOVE(highw(p), bplpt[i]); + (cops++)->l = CMOVE2(loww(p), bplpt[i]); + } + cops->l = CEND; + } +} + + + /* + * Build the Copper List + */ + +static void ami_build_copper(void) +{ + struct amifb_par *par = ¤tpar; + copins *copl, *cops; + u_long p; + + currentcop = 1 - currentcop; + + copl = copdisplay.list[currentcop][1]; + + (copl++)->l = CWAIT(0, 10); + (copl++)->l = CMOVE(par->bplcon0, bplcon0); + (copl++)->l = CMOVE(0, sprpt[0]); + (copl++)->l = CMOVE2(0, sprpt[0]); + + if (par->bplcon0 & BPC0_LACE) { + cops = copdisplay.list[currentcop][0]; + + (cops++)->l = CWAIT(0, 10); + (cops++)->l = CMOVE(par->bplcon0, bplcon0); + (cops++)->l = CMOVE(0, sprpt[0]); + (cops++)->l = CMOVE2(0, sprpt[0]); + + (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v + 1), diwstrt); + (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v + 1), diwstop); + (cops++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v), diwstrt); + (cops++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop); + if (!IS_OCS) { + (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v + 1, + par->diwstop_h, par->diwstop_v + 1), diwhigh); + (cops++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v, + par->diwstop_h, par->diwstop_v), diwhigh); +#if 0 + if (par->beamcon0 & BMC0_VARBEAMEN) { + (copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); + (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt + 1), vbstrt); + (copl++)->l = CMOVE(vbstop2hw(par->vbstop + 1), vbstop); + (cops++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); + (cops++)->l = CMOVE(vbstrt2hw(par->vbstrt), vbstrt); + (cops++)->l = CMOVE(vbstop2hw(par->vbstop), vbstop); + } +#endif + } + p = ZTWO_PADDR(copdisplay.list[currentcop][0]); + (copl++)->l = CMOVE(highw(p), cop2lc); + (copl++)->l = CMOVE2(loww(p), cop2lc); + p = ZTWO_PADDR(copdisplay.list[currentcop][1]); + (cops++)->l = CMOVE(highw(p), cop2lc); + (cops++)->l = CMOVE2(loww(p), cop2lc); + copdisplay.rebuild[0] = cops; + } else { + (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v), diwstrt); + (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop); + if (!IS_OCS) { + (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v, + par->diwstop_h, par->diwstop_v), diwhigh); +#if 0 + if (par->beamcon0 & BMC0_VARBEAMEN) { + (copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); + (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt), vbstrt); + (copl++)->l = CMOVE(vbstop2hw(par->vbstop), vbstop); + } +#endif + } + } + copdisplay.rebuild[1] = copl; + + ami_update_par(); + ami_rebuild_copper(); +} -static struct fb_ops amifb_ops = { - .owner = THIS_MODULE, - .fb_check_var = amifb_check_var, - .fb_set_par = amifb_set_par, - .fb_setcolreg = amifb_setcolreg, - .fb_blank = amifb_blank, - .fb_pan_display = amifb_pan_display, - .fb_fillrect = amifb_fillrect, - .fb_copyarea = amifb_copyarea, - .fb_imageblit = amifb_imageblit, - .fb_ioctl = amifb_ioctl, -}; static void __init amifb_setup_mcap(char *spec) { @@ -1327,6 +2458,93 @@ static int amifb_set_par(struct fb_info *info) /* + * Set a single color register. The values supplied are already + * rounded down to the hardware's capabilities (according to the + * entries in the var structure). Return != 0 for invalid regno. + */ + +static int amifb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info) +{ + if (IS_AGA) { + if (regno > 255) + return 1; + } else if (currentpar.bplcon0 & BPC0_SHRES) { + if (regno > 3) + return 1; + } else { + if (regno > 31) + return 1; + } + red >>= 8; + green >>= 8; + blue >>= 8; + if (!regno) { + red0 = red; + green0 = green; + blue0 = blue; + } + + /* + * Update the corresponding Hardware Color Register, unless it's Color + * Register 0 and the screen is blanked. + * + * VBlank is switched off to protect bplcon3 or ecs_palette[] from + * being changed by ami_do_blank() during the VBlank. + */ + + if (regno || !is_blanked) { +#if defined(CONFIG_FB_AMIGA_AGA) + if (IS_AGA) { + u_short bplcon3 = currentpar.bplcon3; + VBlankOff(); + custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000); + custom.color[regno & 31] = rgb2hw8_high(red, green, + blue); + custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000) | + BPC3_LOCT; + custom.color[regno & 31] = rgb2hw8_low(red, green, + blue); + custom.bplcon3 = bplcon3; + VBlankOn(); + } else +#endif +#if defined(CONFIG_FB_AMIGA_ECS) + if (currentpar.bplcon0 & BPC0_SHRES) { + u_short color, mask; + int i; + + mask = 0x3333; + color = rgb2hw2(red, green, blue); + VBlankOff(); + for (i = regno + 12; i >= (int)regno; i -= 4) + custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; + mask <<= 2; color >>= 2; + regno = down16(regno) + mul4(mod4(regno)); + for (i = regno + 3; i >= (int)regno; i--) + custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; + VBlankOn(); + } else +#endif + custom.color[regno] = rgb2hw4(red, green, blue); + } + return 0; +} + + + /* + * Blank the display. + */ + +static int amifb_blank(int blank, struct fb_info *info) +{ + do_blank = blank ? blank : -1; + + return 0; +} + + + /* * Pan or Wrap the Display * * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag @@ -2232,6 +3450,77 @@ static int amifb_ioctl(struct fb_info *info, /* + * Flash the cursor (called by VBlank interrupt) + */ + +static int flash_cursor(void) +{ + static int cursorcount = 1; + + if (cursormode == FB_CURSOR_FLASH) { + if (!--cursorcount) { + cursorstate = -cursorstate; + cursorcount = cursorrate; + if (!is_blanked) + return 1; + } + } + return 0; +} + + /* + * VBlank Display Interrupt + */ + +static irqreturn_t amifb_interrupt(int irq, void *dev_id) +{ + if (do_vmode_pan || do_vmode_full) + ami_update_display(); + + if (do_vmode_full) + ami_init_display(); + + if (do_vmode_pan) { + flash_cursor(); + ami_rebuild_copper(); + do_cursor = do_vmode_pan = 0; + } else if (do_cursor) { + flash_cursor(); + ami_set_sprite(); + do_cursor = 0; + } else { + if (flash_cursor()) + ami_set_sprite(); + } + + if (do_blank) { + ami_do_blank(); + do_blank = 0; + } + + if (do_vmode_full) { + ami_reinit_copper(); + do_vmode_full = 0; + } + return IRQ_HANDLED; +} + + +static struct fb_ops amifb_ops = { + .owner = THIS_MODULE, + .fb_check_var = amifb_check_var, + .fb_set_par = amifb_set_par, + .fb_setcolreg = amifb_setcolreg, + .fb_blank = amifb_blank, + .fb_pan_display = amifb_pan_display, + .fb_fillrect = amifb_fillrect, + .fb_copyarea = amifb_copyarea, + .fb_imageblit = amifb_imageblit, + .fb_ioctl = amifb_ioctl, +}; + + + /* * Allocate, Clear and Align a Block of Chip Memory */ @@ -2255,6 +3544,17 @@ static inline void chipfree(void) } +static void amifb_deinit(struct platform_device *pdev) +{ + if (fb_info.cmap.len) + fb_dealloc_cmap(&fb_info.cmap); + chipfree(); + if (videomemory) + iounmap((void *)videomemory); + custom.dmacon = DMAF_ALL | DMAF_MASTER; +} + + /* * Initialisation */ @@ -2460,1361 +3760,6 @@ amifb_error: return err; } -static void amifb_deinit(struct platform_device *pdev) -{ - if (fb_info.cmap.len) - fb_dealloc_cmap(&fb_info.cmap); - chipfree(); - if (videomemory) - iounmap((void *)videomemory); - custom.dmacon = DMAF_ALL | DMAF_MASTER; -} - - - /* - * Blank the display. - */ - -static int amifb_blank(int blank, struct fb_info *info) -{ - do_blank = blank ? blank : -1; - - return 0; -} - - /* - * Flash the cursor (called by VBlank interrupt) - */ - -static int flash_cursor(void) -{ - static int cursorcount = 1; - - if (cursormode == FB_CURSOR_FLASH) { - if (!--cursorcount) { - cursorstate = -cursorstate; - cursorcount = cursorrate; - if (!is_blanked) - return 1; - } - } - return 0; -} - - /* - * VBlank Display Interrupt - */ - -static irqreturn_t amifb_interrupt(int irq, void *dev_id) -{ - if (do_vmode_pan || do_vmode_full) - ami_update_display(); - - if (do_vmode_full) - ami_init_display(); - - if (do_vmode_pan) { - flash_cursor(); - ami_rebuild_copper(); - do_cursor = do_vmode_pan = 0; - } else if (do_cursor) { - flash_cursor(); - ami_set_sprite(); - do_cursor = 0; - } else { - if (flash_cursor()) - ami_set_sprite(); - } - - if (do_blank) { - ami_do_blank(); - do_blank = 0; - } - - if (do_vmode_full) { - ami_reinit_copper(); - do_vmode_full = 0; - } - return IRQ_HANDLED; -} - -/* --------------------------- Hardware routines --------------------------- */ - - /* - * Get the video params out of `var'. If a value doesn't fit, round - * it up, if it's too big, return -EINVAL. - */ - -static int ami_decode_var(struct fb_var_screeninfo *var, - struct amifb_par *par) -{ - u_short clk_shift, line_shift; - u_long maxfetchstop, fstrt, fsize, fconst, xres_n, yres_n; - u_int htotal, vtotal; - - /* - * Find a matching Pixel Clock - */ - - for (clk_shift = TAG_SHRES; clk_shift <= TAG_LORES; clk_shift++) - if (var->pixclock <= pixclock[clk_shift]) - break; - if (clk_shift > TAG_LORES) { - DPRINTK("pixclock too high\n"); - return -EINVAL; - } - par->clk_shift = clk_shift; - - /* - * Check the Geometry Values - */ - - if ((par->xres = var->xres) < 64) - par->xres = 64; - if ((par->yres = var->yres) < 64) - par->yres = 64; - if ((par->vxres = var->xres_virtual) < par->xres) - par->vxres = par->xres; - if ((par->vyres = var->yres_virtual) < par->yres) - par->vyres = par->yres; - - par->bpp = var->bits_per_pixel; - if (!var->nonstd) { - if (par->bpp < 1) - par->bpp = 1; - if (par->bpp > maxdepth[clk_shift]) { - if (round_down_bpp && maxdepth[clk_shift]) - par->bpp = maxdepth[clk_shift]; - else { - DPRINTK("invalid bpp\n"); - return -EINVAL; - } - } - } else if (var->nonstd == FB_NONSTD_HAM) { - if (par->bpp < 6) - par->bpp = 6; - if (par->bpp != 6) { - if (par->bpp < 8) - par->bpp = 8; - if (par->bpp != 8 || !IS_AGA) { - DPRINTK("invalid bpp for ham mode\n"); - return -EINVAL; - } - } - } else { - DPRINTK("unknown nonstd mode\n"); - return -EINVAL; - } - - /* - * FB_VMODE_SMOOTH_XPAN will be cleared, if one of the folloing - * checks failed and smooth scrolling is not possible - */ - - par->vmode = var->vmode | FB_VMODE_SMOOTH_XPAN; - switch (par->vmode & FB_VMODE_MASK) { - case FB_VMODE_INTERLACED: - line_shift = 0; - break; - case FB_VMODE_NONINTERLACED: - line_shift = 1; - break; - case FB_VMODE_DOUBLE: - if (!IS_AGA) { - DPRINTK("double mode only possible with aga\n"); - return -EINVAL; - } - line_shift = 2; - break; - default: - DPRINTK("unknown video mode\n"); - return -EINVAL; - break; - } - par->line_shift = line_shift; - - /* - * Vertical and Horizontal Timings - */ - - xres_n = par->xres << clk_shift; - yres_n = par->yres << line_shift; - par->htotal = down8((var->left_margin + par->xres + var->right_margin + - var->hsync_len) << clk_shift); - par->vtotal = - down2(((var->upper_margin + par->yres + var->lower_margin + - var->vsync_len) << line_shift) + 1); - - if (IS_AGA) - par->bplcon3 = sprpixmode[clk_shift]; - else - par->bplcon3 = 0; - if (var->sync & FB_SYNC_BROADCAST) { - par->diwstop_h = par->htotal - - ((var->right_margin - var->hsync_len) << clk_shift); - if (IS_AGA) - par->diwstop_h += mod4(var->hsync_len); - else - par->diwstop_h = down4(par->diwstop_h); - - par->diwstrt_h = par->diwstop_h - xres_n; - par->diwstop_v = par->vtotal - - ((var->lower_margin - var->vsync_len) << line_shift); - par->diwstrt_v = par->diwstop_v - yres_n; - if (par->diwstop_h >= par->htotal + 8) { - DPRINTK("invalid diwstop_h\n"); - return -EINVAL; - } - if (par->diwstop_v > par->vtotal) { - DPRINTK("invalid diwstop_v\n"); - return -EINVAL; - } - - if (!IS_OCS) { - /* Initialize sync with some reasonable values for pwrsave */ - par->hsstrt = 160; - par->hsstop = 320; - par->vsstrt = 30; - par->vsstop = 34; - } else { - par->hsstrt = 0; - par->hsstop = 0; - par->vsstrt = 0; - par->vsstop = 0; - } - if (par->vtotal > (PAL_VTOTAL + NTSC_VTOTAL) / 2) { - /* PAL video mode */ - if (par->htotal != PAL_HTOTAL) { - DPRINTK("htotal invalid for pal\n"); - return -EINVAL; - } - if (par->diwstrt_h < PAL_DIWSTRT_H) { - DPRINTK("diwstrt_h too low for pal\n"); - return -EINVAL; - } - if (par->diwstrt_v < PAL_DIWSTRT_V) { - DPRINTK("diwstrt_v too low for pal\n"); - return -EINVAL; - } - htotal = PAL_HTOTAL>>clk_shift; - vtotal = PAL_VTOTAL>>1; - if (!IS_OCS) { - par->beamcon0 = BMC0_PAL; - par->bplcon3 |= BPC3_BRDRBLNK; - } else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) || - AMIGAHW_PRESENT(AGNUS_HR_NTSC)) { - par->beamcon0 = BMC0_PAL; - par->hsstop = 1; - } else if (amiga_vblank != 50) { - DPRINTK("pal not supported by this chipset\n"); - return -EINVAL; - } - } else { - /* NTSC video mode - * In the AGA chipset seems to be hardware bug with BPC3_BRDRBLNK - * and NTSC activated, so than better let diwstop_h <= 1812 - */ - if (par->htotal != NTSC_HTOTAL) { - DPRINTK("htotal invalid for ntsc\n"); - return -EINVAL; - } - if (par->diwstrt_h < NTSC_DIWSTRT_H) { - DPRINTK("diwstrt_h too low for ntsc\n"); - return -EINVAL; - } - if (par->diwstrt_v < NTSC_DIWSTRT_V) { - DPRINTK("diwstrt_v too low for ntsc\n"); - return -EINVAL; - } - htotal = NTSC_HTOTAL>>clk_shift; - vtotal = NTSC_VTOTAL>>1; - if (!IS_OCS) { - par->beamcon0 = 0; - par->bplcon3 |= BPC3_BRDRBLNK; - } else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) || - AMIGAHW_PRESENT(AGNUS_HR_NTSC)) { - par->beamcon0 = 0; - par->hsstop = 1; - } else if (amiga_vblank != 60) { - DPRINTK("ntsc not supported by this chipset\n"); - return -EINVAL; - } - } - if (IS_OCS) { - if (par->diwstrt_h >= 1024 || par->diwstop_h < 1024 || - par->diwstrt_v >= 512 || par->diwstop_v < 256) { - DPRINTK("invalid position for display on ocs\n"); - return -EINVAL; - } - } - } else if (!IS_OCS) { - /* Programmable video mode */ - par->hsstrt = var->right_margin << clk_shift; - par->hsstop = (var->right_margin + var->hsync_len) << clk_shift; - par->diwstop_h = par->htotal - mod8(par->hsstrt) + 8 - (1 << clk_shift); - if (!IS_AGA) - par->diwstop_h = down4(par->diwstop_h) - 16; - par->diwstrt_h = par->diwstop_h - xres_n; - par->hbstop = par->diwstrt_h + 4; - par->hbstrt = par->diwstop_h + 4; - if (par->hbstrt >= par->htotal + 8) - par->hbstrt -= par->htotal; - par->hcenter = par->hsstrt + (par->htotal >> 1); - par->vsstrt = var->lower_margin << line_shift; - par->vsstop = (var->lower_margin + var->vsync_len) << line_shift; - par->diwstop_v = par->vtotal; - if ((par->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) - par->diwstop_v -= 2; - par->diwstrt_v = par->diwstop_v - yres_n; - par->vbstop = par->diwstrt_v - 2; - par->vbstrt = par->diwstop_v - 2; - if (par->vtotal > 2048) { - DPRINTK("vtotal too high\n"); - return -EINVAL; - } - if (par->htotal > 2048) { - DPRINTK("htotal too high\n"); - return -EINVAL; - } - par->bplcon3 |= BPC3_EXTBLKEN; - par->beamcon0 = BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | - BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN | - BMC0_PAL | BMC0_VARCSYEN; - if (var->sync & FB_SYNC_HOR_HIGH_ACT) - par->beamcon0 |= BMC0_HSYTRUE; - if (var->sync & FB_SYNC_VERT_HIGH_ACT) - par->beamcon0 |= BMC0_VSYTRUE; - if (var->sync & FB_SYNC_COMP_HIGH_ACT) - par->beamcon0 |= BMC0_CSYTRUE; - htotal = par->htotal>>clk_shift; - vtotal = par->vtotal>>1; - } else { - DPRINTK("only broadcast modes possible for ocs\n"); - return -EINVAL; - } - - /* - * Checking the DMA timing - */ - - fconst = 16 << maxfmode << clk_shift; - - /* - * smallest window start value without turn off other dma cycles - * than sprite1-7, unless you change min_fstrt - */ - - - fsize = ((maxfmode + clk_shift <= 1) ? fconst : 64); - fstrt = downx(fconst, par->diwstrt_h - 4) - fsize; - if (fstrt < min_fstrt) { - DPRINTK("fetch start too low\n"); - return -EINVAL; - } - - /* - * smallest window start value where smooth scrolling is possible - */ - - fstrt = downx(fconst, par->diwstrt_h - fconst + (1 << clk_shift) - 4) - - fsize; - if (fstrt < min_fstrt) - par->vmode &= ~FB_VMODE_SMOOTH_XPAN; - - maxfetchstop = down16(par->htotal - 80); - - fstrt = downx(fconst, par->diwstrt_h - 4) - 64 - fconst; - fsize = upx(fconst, xres_n + - modx(fconst, downx(1 << clk_shift, par->diwstrt_h - 4))); - if (fstrt + fsize > maxfetchstop) - par->vmode &= ~FB_VMODE_SMOOTH_XPAN; - - fsize = upx(fconst, xres_n); - if (fstrt + fsize > maxfetchstop) { - DPRINTK("fetch stop too high\n"); - return -EINVAL; - } - - if (maxfmode + clk_shift <= 1) { - fsize = up64(xres_n + fconst - 1); - if (min_fstrt + fsize - 64 > maxfetchstop) - par->vmode &= ~FB_VMODE_SMOOTH_XPAN; - - fsize = up64(xres_n); - if (min_fstrt + fsize - 64 > maxfetchstop) { - DPRINTK("fetch size too high\n"); - return -EINVAL; - } - - fsize -= 64; - } else - fsize -= fconst; - - /* - * Check if there is enough time to update the bitplane pointers for ywrap - */ - - if (par->htotal - fsize - 64 < par->bpp * 64) - par->vmode &= ~FB_VMODE_YWRAP; - - /* - * Bitplane calculations and check the Memory Requirements - */ - - if (amifb_ilbm) { - par->next_plane = div8(upx(16 << maxfmode, par->vxres)); - par->next_line = par->bpp * par->next_plane; - if (par->next_line * par->vyres > fb_info.fix.smem_len) { - DPRINTK("too few video mem\n"); - return -EINVAL; - } - } else { - par->next_line = div8(upx(16 << maxfmode, par->vxres)); - par->next_plane = par->vyres * par->next_line; - if (par->next_plane * par->bpp > fb_info.fix.smem_len) { - DPRINTK("too few video mem\n"); - return -EINVAL; - } - } - - /* - * Hardware Register Values - */ - - par->bplcon0 = BPC0_COLOR | bplpixmode[clk_shift]; - if (!IS_OCS) - par->bplcon0 |= BPC0_ECSENA; - if (par->bpp == 8) - par->bplcon0 |= BPC0_BPU3; - else - par->bplcon0 |= par->bpp << 12; - if (var->nonstd == FB_NONSTD_HAM) - par->bplcon0 |= BPC0_HAM; - if (var->sync & FB_SYNC_EXT) - par->bplcon0 |= BPC0_ERSY; - - if (IS_AGA) - par->fmode = bplfetchmode[maxfmode]; - - switch (par->vmode & FB_VMODE_MASK) { - case FB_VMODE_INTERLACED: - par->bplcon0 |= BPC0_LACE; - break; - case FB_VMODE_DOUBLE: - if (IS_AGA) - par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2; - break; - } - - if (!((par->vmode ^ var->vmode) & FB_VMODE_YWRAP)) { - par->xoffset = var->xoffset; - par->yoffset = var->yoffset; - if (par->vmode & FB_VMODE_YWRAP) { - if (par->xoffset || par->yoffset < 0 || - par->yoffset >= par->vyres) - par->xoffset = par->yoffset = 0; - } else { - if (par->xoffset < 0 || - par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) || - par->yoffset < 0 || par->yoffset > par->vyres - par->yres) - par->xoffset = par->yoffset = 0; - } - } else - par->xoffset = par->yoffset = 0; - - par->crsr.crsr_x = par->crsr.crsr_y = 0; - par->crsr.spot_x = par->crsr.spot_y = 0; - par->crsr.height = par->crsr.width = 0; - - return 0; -} - - /* - * Fill the `var' structure based on the values in `par' and maybe - * other values read out of the hardware. - */ - -static int ami_encode_var(struct fb_var_screeninfo *var, - struct amifb_par *par) -{ - u_short clk_shift, line_shift; - - memset(var, 0, sizeof(struct fb_var_screeninfo)); - - clk_shift = par->clk_shift; - line_shift = par->line_shift; - - var->xres = par->xres; - var->yres = par->yres; - var->xres_virtual = par->vxres; - var->yres_virtual = par->vyres; - var->xoffset = par->xoffset; - var->yoffset = par->yoffset; - - var->bits_per_pixel = par->bpp; - var->grayscale = 0; - - var->red.offset = 0; - var->red.msb_right = 0; - var->red.length = par->bpp; - if (par->bplcon0 & BPC0_HAM) - var->red.length -= 2; - var->blue = var->green = var->red; - var->transp.offset = 0; - var->transp.length = 0; - var->transp.msb_right = 0; - - if (par->bplcon0 & BPC0_HAM) - var->nonstd = FB_NONSTD_HAM; - else - var->nonstd = 0; - var->activate = 0; - - var->height = -1; - var->width = -1; - - var->pixclock = pixclock[clk_shift]; - - if (IS_AGA && par->fmode & FMODE_BSCAN2) - var->vmode = FB_VMODE_DOUBLE; - else if (par->bplcon0 & BPC0_LACE) - var->vmode = FB_VMODE_INTERLACED; - else - var->vmode = FB_VMODE_NONINTERLACED; - - if (!IS_OCS && par->beamcon0 & BMC0_VARBEAMEN) { - var->hsync_len = (par->hsstop - par->hsstrt)>>clk_shift; - var->right_margin = par->hsstrt>>clk_shift; - var->left_margin = (par->htotal>>clk_shift) - var->xres - var->right_margin - var->hsync_len; - var->vsync_len = (par->vsstop - par->vsstrt)>>line_shift; - var->lower_margin = par->vsstrt>>line_shift; - var->upper_margin = (par->vtotal>>line_shift) - var->yres - var->lower_margin - var->vsync_len; - var->sync = 0; - if (par->beamcon0 & BMC0_HSYTRUE) - var->sync |= FB_SYNC_HOR_HIGH_ACT; - if (par->beamcon0 & BMC0_VSYTRUE) - var->sync |= FB_SYNC_VERT_HIGH_ACT; - if (par->beamcon0 & BMC0_CSYTRUE) - var->sync |= FB_SYNC_COMP_HIGH_ACT; - } else { - var->sync = FB_SYNC_BROADCAST; - var->hsync_len = (152>>clk_shift) + mod4(par->diwstop_h); - var->right_margin = ((par->htotal - down4(par->diwstop_h))>>clk_shift) + var->hsync_len; - var->left_margin = (par->htotal>>clk_shift) - var->xres - var->right_margin - var->hsync_len; - var->vsync_len = 4>>line_shift; - var->lower_margin = ((par->vtotal - par->diwstop_v)>>line_shift) + var->vsync_len; - var->upper_margin = (((par->vtotal - 2)>>line_shift) + 1) - var->yres - - var->lower_margin - var->vsync_len; - } - - if (par->bplcon0 & BPC0_ERSY) - var->sync |= FB_SYNC_EXT; - if (par->vmode & FB_VMODE_YWRAP) - var->vmode |= FB_VMODE_YWRAP; - - return 0; -} - - - /* - * Pan or Wrap the Display - * - * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag - * in `var'. - */ - -static void ami_pan_var(struct fb_var_screeninfo *var) -{ - struct amifb_par *par = ¤tpar; - - par->xoffset = var->xoffset; - par->yoffset = var->yoffset; - if (var->vmode & FB_VMODE_YWRAP) - par->vmode |= FB_VMODE_YWRAP; - else - par->vmode &= ~FB_VMODE_YWRAP; - - do_vmode_pan = 0; - ami_update_par(); - do_vmode_pan = 1; -} - - /* - * Update hardware - */ - -static int ami_update_par(void) -{ - struct amifb_par *par = ¤tpar; - short clk_shift, vshift, fstrt, fsize, fstop, fconst, shift, move, mod; - - clk_shift = par->clk_shift; - - if (!(par->vmode & FB_VMODE_SMOOTH_XPAN)) - par->xoffset = upx(16 << maxfmode, par->xoffset); - - fconst = 16 << maxfmode << clk_shift; - vshift = modx(16 << maxfmode, par->xoffset); - fstrt = par->diwstrt_h - (vshift << clk_shift) - 4; - fsize = (par->xres + vshift) << clk_shift; - shift = modx(fconst, fstrt); - move = downx(2 << maxfmode, div8(par->xoffset)); - if (maxfmode + clk_shift > 1) { - fstrt = downx(fconst, fstrt) - 64; - fsize = upx(fconst, fsize); - fstop = fstrt + fsize - fconst; - } else { - mod = fstrt = downx(fconst, fstrt) - fconst; - fstop = fstrt + upx(fconst, fsize) - 64; - fsize = up64(fsize); - fstrt = fstop - fsize + 64; - if (fstrt < min_fstrt) { - fstop += min_fstrt - fstrt; - fstrt = min_fstrt; - } - move = move - div8((mod - fstrt)>>clk_shift); - } - mod = par->next_line - div8(fsize>>clk_shift); - par->ddfstrt = fstrt; - par->ddfstop = fstop; - par->bplcon1 = hscroll2hw(shift); - par->bpl2mod = mod; - if (par->bplcon0 & BPC0_LACE) - par->bpl2mod += par->next_line; - if (IS_AGA && (par->fmode & FMODE_BSCAN2)) - par->bpl1mod = -div8(fsize>>clk_shift); - else - par->bpl1mod = par->bpl2mod; - - if (par->yoffset) { - par->bplpt0 = fb_info.fix.smem_start + - par->next_line * par->yoffset + move; - if (par->vmode & FB_VMODE_YWRAP) { - if (par->yoffset > par->vyres - par->yres) { - par->bplpt0wrap = fb_info.fix.smem_start + move; - if (par->bplcon0 & BPC0_LACE && - mod2(par->diwstrt_v + par->vyres - - par->yoffset)) - par->bplpt0wrap += par->next_line; - } - } - } else - par->bplpt0 = fb_info.fix.smem_start + move; - - if (par->bplcon0 & BPC0_LACE && mod2(par->diwstrt_v)) - par->bplpt0 += par->next_line; - - return 0; -} - - - /* - * Set a single color register. The values supplied are already - * rounded down to the hardware's capabilities (according to the - * entries in the var structure). Return != 0 for invalid regno. - */ - -static int amifb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info) -{ - if (IS_AGA) { - if (regno > 255) - return 1; - } else if (currentpar.bplcon0 & BPC0_SHRES) { - if (regno > 3) - return 1; - } else { - if (regno > 31) - return 1; - } - red >>= 8; - green >>= 8; - blue >>= 8; - if (!regno) { - red0 = red; - green0 = green; - blue0 = blue; - } - - /* - * Update the corresponding Hardware Color Register, unless it's Color - * Register 0 and the screen is blanked. - * - * VBlank is switched off to protect bplcon3 or ecs_palette[] from - * being changed by ami_do_blank() during the VBlank. - */ - - if (regno || !is_blanked) { -#if defined(CONFIG_FB_AMIGA_AGA) - if (IS_AGA) { - u_short bplcon3 = currentpar.bplcon3; - VBlankOff(); - custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000); - custom.color[regno & 31] = rgb2hw8_high(red, green, - blue); - custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000) | - BPC3_LOCT; - custom.color[regno & 31] = rgb2hw8_low(red, green, - blue); - custom.bplcon3 = bplcon3; - VBlankOn(); - } else -#endif -#if defined(CONFIG_FB_AMIGA_ECS) - if (currentpar.bplcon0 & BPC0_SHRES) { - u_short color, mask; - int i; - - mask = 0x3333; - color = rgb2hw2(red, green, blue); - VBlankOff(); - for (i = regno + 12; i >= (int)regno; i -= 4) - custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; - mask <<= 2; color >>= 2; - regno = down16(regno) + mul4(mod4(regno)); - for (i = regno + 3; i >= (int)regno; i--) - custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; - VBlankOn(); - } else -#endif - custom.color[regno] = rgb2hw4(red, green, blue); - } - return 0; -} - -static void ami_update_display(void) -{ - struct amifb_par *par = ¤tpar; - - custom.bplcon1 = par->bplcon1; - custom.bpl1mod = par->bpl1mod; - custom.bpl2mod = par->bpl2mod; - custom.ddfstrt = ddfstrt2hw(par->ddfstrt); - custom.ddfstop = ddfstop2hw(par->ddfstop); -} - - /* - * Change the video mode (called by VBlank interrupt) - */ - -static void ami_init_display(void) -{ - struct amifb_par *par = ¤tpar; - int i; - - custom.bplcon0 = par->bplcon0 & ~BPC0_LACE; - custom.bplcon2 = (IS_OCS ? 0 : BPC2_KILLEHB) | BPC2_PF2P2 | BPC2_PF1P2; - if (!IS_OCS) { - custom.bplcon3 = par->bplcon3; - if (IS_AGA) - custom.bplcon4 = BPC4_ESPRM4 | BPC4_OSPRM4; - if (par->beamcon0 & BMC0_VARBEAMEN) { - custom.htotal = htotal2hw(par->htotal); - custom.hbstrt = hbstrt2hw(par->hbstrt); - custom.hbstop = hbstop2hw(par->hbstop); - custom.hsstrt = hsstrt2hw(par->hsstrt); - custom.hsstop = hsstop2hw(par->hsstop); - custom.hcenter = hcenter2hw(par->hcenter); - custom.vtotal = vtotal2hw(par->vtotal); - custom.vbstrt = vbstrt2hw(par->vbstrt); - custom.vbstop = vbstop2hw(par->vbstop); - custom.vsstrt = vsstrt2hw(par->vsstrt); - custom.vsstop = vsstop2hw(par->vsstop); - } - } - if (!IS_OCS || par->hsstop) - custom.beamcon0 = par->beamcon0; - if (IS_AGA) - custom.fmode = par->fmode; - - /* - * The minimum period for audio depends on htotal - */ - - amiga_audio_min_period = div16(par->htotal); - - is_lace = par->bplcon0 & BPC0_LACE ? 1 : 0; -#if 1 - if (is_lace) { - i = custom.vposr >> 15; - } else { - custom.vposw = custom.vposr | 0x8000; - i = 1; - } -#else - i = 1; - custom.vposw = custom.vposr | 0x8000; -#endif - custom.cop2lc = (u_short *)ZTWO_PADDR(copdisplay.list[currentcop][i]); -} - - /* - * (Un)Blank the screen (called by VBlank interrupt) - */ - -static void ami_do_blank(void) -{ - struct amifb_par *par = ¤tpar; -#if defined(CONFIG_FB_AMIGA_AGA) - u_short bplcon3 = par->bplcon3; -#endif - u_char red, green, blue; - - if (do_blank > 0) { - custom.dmacon = DMAF_RASTER | DMAF_SPRITE; - red = green = blue = 0; - if (!IS_OCS && do_blank > 1) { - switch (do_blank) { - case FB_BLANK_VSYNC_SUSPEND: - custom.hsstrt = hsstrt2hw(par->hsstrt); - custom.hsstop = hsstop2hw(par->hsstop); - custom.vsstrt = vsstrt2hw(par->vtotal + 4); - custom.vsstop = vsstop2hw(par->vtotal + 4); - break; - case FB_BLANK_HSYNC_SUSPEND: - custom.hsstrt = hsstrt2hw(par->htotal + 16); - custom.hsstop = hsstop2hw(par->htotal + 16); - custom.vsstrt = vsstrt2hw(par->vsstrt); - custom.vsstop = vsstrt2hw(par->vsstop); - break; - case FB_BLANK_POWERDOWN: - custom.hsstrt = hsstrt2hw(par->htotal + 16); - custom.hsstop = hsstop2hw(par->htotal + 16); - custom.vsstrt = vsstrt2hw(par->vtotal + 4); - custom.vsstop = vsstop2hw(par->vtotal + 4); - break; - } - if (!(par->beamcon0 & BMC0_VARBEAMEN)) { - custom.htotal = htotal2hw(par->htotal); - custom.vtotal = vtotal2hw(par->vtotal); - custom.beamcon0 = BMC0_HARDDIS | BMC0_VARBEAMEN | - BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARCSYEN; - } - } - } else { - custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_SPRITE; - red = red0; - green = green0; - blue = blue0; - if (!IS_OCS) { - custom.hsstrt = hsstrt2hw(par->hsstrt); - custom.hsstop = hsstop2hw(par->hsstop); - custom.vsstrt = vsstrt2hw(par->vsstrt); - custom.vsstop = vsstop2hw(par->vsstop); - custom.beamcon0 = par->beamcon0; - } - } -#if defined(CONFIG_FB_AMIGA_AGA) - if (IS_AGA) { - custom.bplcon3 = bplcon3; - custom.color[0] = rgb2hw8_high(red, green, blue); - custom.bplcon3 = bplcon3 | BPC3_LOCT; - custom.color[0] = rgb2hw8_low(red, green, blue); - custom.bplcon3 = bplcon3; - } else -#endif -#if defined(CONFIG_FB_AMIGA_ECS) - if (par->bplcon0 & BPC0_SHRES) { - u_short color, mask; - int i; - - mask = 0x3333; - color = rgb2hw2(red, green, blue); - for (i = 12; i >= 0; i -= 4) - custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; - mask <<= 2; color >>= 2; - for (i = 3; i >= 0; i--) - custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color; - } else -#endif - custom.color[0] = rgb2hw4(red, green, blue); - is_blanked = do_blank > 0 ? do_blank : 0; -} - -static int ami_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix) -{ - struct amifb_par *par = ¤tpar; - - fix->crsr_width = fix->crsr_xsize = par->crsr.width; - fix->crsr_height = fix->crsr_ysize = par->crsr.height; - fix->crsr_color1 = 17; - fix->crsr_color2 = 18; - return 0; -} - -static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data) -{ - struct amifb_par *par = ¤tpar; - register u_short *lspr, *sspr; -#ifdef __mc68000__ - register u_long datawords asm ("d2"); -#else - register u_long datawords; -#endif - register short delta; - register u_char color; - short height, width, bits, words; - int size, alloc; - - size = par->crsr.height * par->crsr.width; - alloc = var->height * var->width; - var->height = par->crsr.height; - var->width = par->crsr.width; - var->xspot = par->crsr.spot_x; - var->yspot = par->crsr.spot_y; - if (size > var->height * var->width) - return -ENAMETOOLONG; - if (!access_ok(VERIFY_WRITE, data, size)) - return -EFAULT; - delta = 1 << par->crsr.fmode; - lspr = lofsprite + (delta << 1); - if (par->bplcon0 & BPC0_LACE) - sspr = shfsprite + (delta << 1); - else - sspr = NULL; - for (height = (short)var->height - 1; height >= 0; height--) { - bits = 0; words = delta; datawords = 0; - for (width = (short)var->width - 1; width >= 0; width--) { - if (bits == 0) { - bits = 16; --words; -#ifdef __mc68000__ - asm volatile ("movew %1@(%3:w:2),%0 ; swap %0 ; movew %1@+,%0" - : "=d" (datawords), "=a" (lspr) : "1" (lspr), "d" (delta)); -#else - datawords = (*(lspr + delta) << 16) | (*lspr++); -#endif - } - --bits; -#ifdef __mc68000__ - asm volatile ( - "clrb %0 ; swap %1 ; lslw #1,%1 ; roxlb #1,%0 ; " - "swap %1 ; lslw #1,%1 ; roxlb #1,%0" - : "=d" (color), "=d" (datawords) : "1" (datawords)); -#else - color = (((datawords >> 30) & 2) - | ((datawords >> 15) & 1)); - datawords <<= 1; -#endif - put_user(color, data++); - } - if (bits > 0) { - --words; ++lspr; - } - while (--words >= 0) - ++lspr; -#ifdef __mc68000__ - asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:" - : "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta)); -#else - lspr += delta; - if (sspr) { - u_short *tmp = lspr; - lspr = sspr; - sspr = tmp; - } -#endif - } - return 0; -} - -static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *data) -{ - struct amifb_par *par = ¤tpar; - register u_short *lspr, *sspr; -#ifdef __mc68000__ - register u_long datawords asm ("d2"); -#else - register u_long datawords; -#endif - register short delta; - u_short fmode; - short height, width, bits, words; - - if (!var->width) - return -EINVAL; - else if (var->width <= 16) - fmode = TAG_FMODE_1; - else if (var->width <= 32) - fmode = TAG_FMODE_2; - else if (var->width <= 64) - fmode = TAG_FMODE_4; - else - return -EINVAL; - if (fmode > maxfmode) - return -EINVAL; - if (!var->height) - return -EINVAL; - if (!access_ok(VERIFY_READ, data, var->width * var->height)) - return -EFAULT; - delta = 1 << fmode; - lofsprite = shfsprite = (u_short *)spritememory; - lspr = lofsprite + (delta << 1); - if (par->bplcon0 & BPC0_LACE) { - if (((var->height + 4) << fmode << 2) > SPRITEMEMSIZE) - return -EINVAL; - memset(lspr, 0, (var->height + 4) << fmode << 2); - shfsprite += ((var->height + 5)&-2) << fmode; - sspr = shfsprite + (delta << 1); - } else { - if (((var->height + 2) << fmode << 2) > SPRITEMEMSIZE) - return -EINVAL; - memset(lspr, 0, (var->height + 2) << fmode << 2); - sspr = NULL; - } - for (height = (short)var->height - 1; height >= 0; height--) { - bits = 16; words = delta; datawords = 0; - for (width = (short)var->width - 1; width >= 0; width--) { - unsigned long tdata = 0; - get_user(tdata, data); - data++; -#ifdef __mc68000__ - asm volatile ( - "lsrb #1,%2 ; roxlw #1,%0 ; swap %0 ; " - "lsrb #1,%2 ; roxlw #1,%0 ; swap %0" - : "=d" (datawords) - : "0" (datawords), "d" (tdata)); -#else - datawords = ((datawords << 1) & 0xfffefffe); - datawords |= tdata & 1; - datawords |= (tdata & 2) << (16 - 1); -#endif - if (--bits == 0) { - bits = 16; --words; -#ifdef __mc68000__ - asm volatile ("swap %2 ; movew %2,%0@(%3:w:2) ; swap %2 ; movew %2,%0@+" - : "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta)); -#else - *(lspr + delta) = (u_short) (datawords >> 16); - *lspr++ = (u_short) (datawords & 0xffff); -#endif - } - } - if (bits < 16) { - --words; -#ifdef __mc68000__ - asm volatile ( - "swap %2 ; lslw %4,%2 ; movew %2,%0@(%3:w:2) ; " - "swap %2 ; lslw %4,%2 ; movew %2,%0@+" - : "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta), "d" (bits)); -#else - *(lspr + delta) = (u_short) (datawords >> (16 + bits)); - *lspr++ = (u_short) ((datawords & 0x0000ffff) >> bits); -#endif - } - while (--words >= 0) { -#ifdef __mc68000__ - asm volatile ("moveql #0,%%d0 ; movew %%d0,%0@(%2:w:2) ; movew %%d0,%0@+" - : "=a" (lspr) : "0" (lspr), "d" (delta) : "d0"); -#else - *(lspr + delta) = 0; - *lspr++ = 0; -#endif - } -#ifdef __mc68000__ - asm volatile ("lea %0@(%4:w:2),%0 ; tstl %1 ; jeq 1f ; exg %0,%1\n1:" - : "=a" (lspr), "=a" (sspr) : "0" (lspr), "1" (sspr), "d" (delta)); -#else - lspr += delta; - if (sspr) { - u_short *tmp = lspr; - lspr = sspr; - sspr = tmp; - } -#endif - } - par->crsr.height = var->height; - par->crsr.width = var->width; - par->crsr.spot_x = var->xspot; - par->crsr.spot_y = var->yspot; - par->crsr.fmode = fmode; - if (IS_AGA) { - par->fmode &= ~(FMODE_SPAGEM | FMODE_SPR32); - par->fmode |= sprfetchmode[fmode]; - custom.fmode = par->fmode; - } - return 0; -} - -static int ami_get_cursorstate(struct fb_cursorstate *state) -{ - struct amifb_par *par = ¤tpar; - - state->xoffset = par->crsr.crsr_x; - state->yoffset = par->crsr.crsr_y; - state->mode = cursormode; - return 0; -} - -static int ami_set_cursorstate(struct fb_cursorstate *state) -{ - struct amifb_par *par = ¤tpar; - - par->crsr.crsr_x = state->xoffset; - par->crsr.crsr_y = state->yoffset; - if ((cursormode = state->mode) == FB_CURSOR_OFF) - cursorstate = -1; - do_cursor = 1; - return 0; -} - -static void ami_set_sprite(void) -{ - struct amifb_par *par = ¤tpar; - copins *copl, *cops; - u_short hs, vs, ve; - u_long pl, ps, pt; - short mx, my; - - cops = copdisplay.list[currentcop][0]; - copl = copdisplay.list[currentcop][1]; - ps = pl = ZTWO_PADDR(dummysprite); - mx = par->crsr.crsr_x - par->crsr.spot_x; - my = par->crsr.crsr_y - par->crsr.spot_y; - if (!(par->vmode & FB_VMODE_YWRAP)) { - mx -= par->xoffset; - my -= par->yoffset; - } - if (!is_blanked && cursorstate > 0 && par->crsr.height > 0 && - mx > -(short)par->crsr.width && mx < par->xres && - my > -(short)par->crsr.height && my < par->yres) { - pl = ZTWO_PADDR(lofsprite); - hs = par->diwstrt_h + (mx << par->clk_shift) - 4; - vs = par->diwstrt_v + (my << par->line_shift); - ve = vs + (par->crsr.height << par->line_shift); - if (par->bplcon0 & BPC0_LACE) { - ps = ZTWO_PADDR(shfsprite); - lofsprite[0] = spr2hw_pos(vs, hs); - shfsprite[0] = spr2hw_pos(vs + 1, hs); - if (mod2(vs)) { - lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve); - shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve + 1); - pt = pl; pl = ps; ps = pt; - } else { - lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve + 1); - shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve); - } - } else { - lofsprite[0] = spr2hw_pos(vs, hs) | (IS_AGA && (par->fmode & FMODE_BSCAN2) ? 0x80 : 0); - lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve); - } - } - copl[cop_spr0ptrh].w[1] = highw(pl); - copl[cop_spr0ptrl].w[1] = loww(pl); - if (par->bplcon0 & BPC0_LACE) { - cops[cop_spr0ptrh].w[1] = highw(ps); - cops[cop_spr0ptrl].w[1] = loww(ps); - } -} - - - /* - * Initialise the Copper Initialisation List - */ - -static void __init ami_init_copper(void) -{ - copins *cop = copdisplay.init; - u_long p; - int i; - - if (!IS_OCS) { - (cop++)->l = CMOVE(BPC0_COLOR | BPC0_SHRES | BPC0_ECSENA, bplcon0); - (cop++)->l = CMOVE(0x0181, diwstrt); - (cop++)->l = CMOVE(0x0281, diwstop); - (cop++)->l = CMOVE(0x0000, diwhigh); - } else - (cop++)->l = CMOVE(BPC0_COLOR, bplcon0); - p = ZTWO_PADDR(dummysprite); - for (i = 0; i < 8; i++) { - (cop++)->l = CMOVE(0, spr[i].pos); - (cop++)->l = CMOVE(highw(p), sprpt[i]); - (cop++)->l = CMOVE2(loww(p), sprpt[i]); - } - - (cop++)->l = CMOVE(IF_SETCLR | IF_COPER, intreq); - copdisplay.wait = cop; - (cop++)->l = CEND; - (cop++)->l = CMOVE(0, copjmp2); - cop->l = CEND; - - custom.cop1lc = (u_short *)ZTWO_PADDR(copdisplay.init); - custom.copjmp1 = 0; -} - -static void ami_reinit_copper(void) -{ - struct amifb_par *par = ¤tpar; - - copdisplay.init[cip_bplcon0].w[1] = ~(BPC0_BPU3 | BPC0_BPU2 | BPC0_BPU1 | BPC0_BPU0) & par->bplcon0; - copdisplay.wait->l = CWAIT(32, par->diwstrt_v - 4); -} - - /* - * Build the Copper List - */ - -static void ami_build_copper(void) -{ - struct amifb_par *par = ¤tpar; - copins *copl, *cops; - u_long p; - - currentcop = 1 - currentcop; - - copl = copdisplay.list[currentcop][1]; - - (copl++)->l = CWAIT(0, 10); - (copl++)->l = CMOVE(par->bplcon0, bplcon0); - (copl++)->l = CMOVE(0, sprpt[0]); - (copl++)->l = CMOVE2(0, sprpt[0]); - - if (par->bplcon0 & BPC0_LACE) { - cops = copdisplay.list[currentcop][0]; - - (cops++)->l = CWAIT(0, 10); - (cops++)->l = CMOVE(par->bplcon0, bplcon0); - (cops++)->l = CMOVE(0, sprpt[0]); - (cops++)->l = CMOVE2(0, sprpt[0]); - - (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v + 1), diwstrt); - (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v + 1), diwstop); - (cops++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v), diwstrt); - (cops++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop); - if (!IS_OCS) { - (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v + 1, - par->diwstop_h, par->diwstop_v + 1), diwhigh); - (cops++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v, - par->diwstop_h, par->diwstop_v), diwhigh); -#if 0 - if (par->beamcon0 & BMC0_VARBEAMEN) { - (copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); - (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt + 1), vbstrt); - (copl++)->l = CMOVE(vbstop2hw(par->vbstop + 1), vbstop); - (cops++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); - (cops++)->l = CMOVE(vbstrt2hw(par->vbstrt), vbstrt); - (cops++)->l = CMOVE(vbstop2hw(par->vbstop), vbstop); - } -#endif - } - p = ZTWO_PADDR(copdisplay.list[currentcop][0]); - (copl++)->l = CMOVE(highw(p), cop2lc); - (copl++)->l = CMOVE2(loww(p), cop2lc); - p = ZTWO_PADDR(copdisplay.list[currentcop][1]); - (cops++)->l = CMOVE(highw(p), cop2lc); - (cops++)->l = CMOVE2(loww(p), cop2lc); - copdisplay.rebuild[0] = cops; - } else { - (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v), diwstrt); - (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop); - if (!IS_OCS) { - (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v, - par->diwstop_h, par->diwstop_v), diwhigh); -#if 0 - if (par->beamcon0 & BMC0_VARBEAMEN) { - (copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal); - (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt), vbstrt); - (copl++)->l = CMOVE(vbstop2hw(par->vbstop), vbstop); - } -#endif - } - } - copdisplay.rebuild[1] = copl; - - ami_update_par(); - ami_rebuild_copper(); -} - - /* - * Rebuild the Copper List - * - * We only change the things that are not static - */ - -static void ami_rebuild_copper(void) -{ - struct amifb_par *par = ¤tpar; - copins *copl, *cops; - u_short line, h_end1, h_end2; - short i; - u_long p; - - if (IS_AGA && maxfmode + par->clk_shift == 0) - h_end1 = par->diwstrt_h - 64; - else - h_end1 = par->htotal - 32; - h_end2 = par->ddfstop + 64; - - ami_set_sprite(); - - copl = copdisplay.rebuild[1]; - p = par->bplpt0; - if (par->vmode & FB_VMODE_YWRAP) { - if ((par->vyres - par->yoffset) != 1 || !mod2(par->diwstrt_v)) { - if (par->yoffset > par->vyres - par->yres) { - for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { - (copl++)->l = CMOVE(highw(p), bplpt[i]); - (copl++)->l = CMOVE2(loww(p), bplpt[i]); - } - line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 1; - while (line >= 512) { - (copl++)->l = CWAIT(h_end1, 510); - line -= 512; - } - if (line >= 510 && IS_AGA && maxfmode + par->clk_shift == 0) - (copl++)->l = CWAIT(h_end1, line); - else - (copl++)->l = CWAIT(h_end2, line); - p = par->bplpt0wrap; - } - } else - p = par->bplpt0wrap; - } - for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { - (copl++)->l = CMOVE(highw(p), bplpt[i]); - (copl++)->l = CMOVE2(loww(p), bplpt[i]); - } - copl->l = CEND; - - if (par->bplcon0 & BPC0_LACE) { - cops = copdisplay.rebuild[0]; - p = par->bplpt0; - if (mod2(par->diwstrt_v)) - p -= par->next_line; - else - p += par->next_line; - if (par->vmode & FB_VMODE_YWRAP) { - if ((par->vyres - par->yoffset) != 1 || mod2(par->diwstrt_v)) { - if (par->yoffset > par->vyres - par->yres + 1) { - for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { - (cops++)->l = CMOVE(highw(p), bplpt[i]); - (cops++)->l = CMOVE2(loww(p), bplpt[i]); - } - line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 2; - while (line >= 512) { - (cops++)->l = CWAIT(h_end1, 510); - line -= 512; - } - if (line > 510 && IS_AGA && maxfmode + par->clk_shift == 0) - (cops++)->l = CWAIT(h_end1, line); - else - (cops++)->l = CWAIT(h_end2, line); - p = par->bplpt0wrap; - if (mod2(par->diwstrt_v + par->vyres - - par->yoffset)) - p -= par->next_line; - else - p += par->next_line; - } - } else - p = par->bplpt0wrap - par->next_line; - } - for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) { - (cops++)->l = CMOVE(highw(p), bplpt[i]); - (cops++)->l = CMOVE2(loww(p), bplpt[i]); - } - cops->l = CEND; - } -} static int __exit amifb_remove(struct platform_device *pdev) { |