1 /*-*- linux-c -*- 2 * linux/drivers/video/savage/savage_accel.c -- Hardware Acceleration 3 * 4 * Copyright (C) 2004 Antonino Daplas<adaplas@pol.net> 5 * All Rights Reserved 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file COPYING in the main directory of this archive for 9 * more details. 10 */ 11 #include <linux/kernel.h> 12 #include <linux/string.h> 13 #include <linux/fb.h> 14 #include <linux/module.h> 15 16 #include "savagefb.h" 17 18 static u32 savagefb_rop[] = { 19 0xCC, /* ROP_COPY */ 20 0x5A /* ROP_XOR */ 21 }; 22 23 int savagefb_sync(struct fb_info *info) 24 { 25 struct savagefb_par *par = info->par; 26 27 par->SavageWaitIdle(par); 28 return 0; 29 } 30 31 void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region) 32 { 33 struct savagefb_par *par = info->par; 34 int sx = region->sx, dx = region->dx; 35 int sy = region->sy, dy = region->dy; 36 int cmd; 37 38 if (!region->width || !region->height) 39 return; 40 par->bci_ptr = 0; 41 cmd = BCI_CMD_RECT | BCI_CMD_DEST_GBD | BCI_CMD_SRC_GBD; 42 BCI_CMD_SET_ROP(cmd, savagefb_rop[0]); 43 44 if (dx <= sx) { 45 cmd |= BCI_CMD_RECT_XP; 46 } else { 47 sx += region->width - 1; 48 dx += region->width - 1; 49 } 50 51 if (dy <= sy) { 52 cmd |= BCI_CMD_RECT_YP; 53 } else { 54 sy += region->height - 1; 55 dy += region->height - 1; 56 } 57 58 par->SavageWaitFifo(par,4); 59 BCI_SEND(cmd); 60 BCI_SEND(BCI_X_Y(sx, sy)); 61 BCI_SEND(BCI_X_Y(dx, dy)); 62 BCI_SEND(BCI_W_H(region->width, region->height)); 63 } 64 65 void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) 66 { 67 struct savagefb_par *par = info->par; 68 int cmd, color; 69 70 if (!rect->width || !rect->height) 71 return; 72 73 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) 74 color = rect->color; 75 else 76 color = ((u32 *)info->pseudo_palette)[rect->color]; 77 78 cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | 79 BCI_CMD_DEST_GBD | BCI_CMD_SRC_SOLID | 80 BCI_CMD_SEND_COLOR; 81 82 par->bci_ptr = 0; 83 BCI_CMD_SET_ROP(cmd, savagefb_rop[rect->rop]); 84 85 par->SavageWaitFifo(par,4); 86 BCI_SEND(cmd); 87 BCI_SEND(color); 88 BCI_SEND( BCI_X_Y(rect->dx, rect->dy) ); 89 BCI_SEND( BCI_W_H(rect->width, rect->height) ); 90 } 91 92 void savagefb_imageblit(struct fb_info *info, const struct fb_image *image) 93 { 94 struct savagefb_par *par = info->par; 95 int fg, bg, size, i, width; 96 int cmd; 97 u32 *src = (u32 *) image->data; 98 99 if (!image->width || !image->height) 100 return; 101 102 if (image->depth != 1) { 103 cfb_imageblit(info, image); 104 return; 105 } 106 107 if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { 108 fg = image->fg_color; 109 bg = image->bg_color; 110 } else { 111 fg = ((u32 *)info->pseudo_palette)[image->fg_color]; 112 bg = ((u32 *)info->pseudo_palette)[image->bg_color]; 113 } 114 115 cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | 116 BCI_CMD_CLIP_LR | BCI_CMD_DEST_GBD | BCI_CMD_SRC_MONO | 117 BCI_CMD_SEND_COLOR; 118 119 par->bci_ptr = 0; 120 BCI_CMD_SET_ROP(cmd, savagefb_rop[0]); 121 122 width = (image->width + 31) & ~31; 123 size = (width * image->height)/8; 124 size >>= 2; 125 126 par->SavageWaitFifo(par, size + 5); 127 BCI_SEND(cmd); 128 BCI_SEND(BCI_CLIP_LR(image->dx, image->dx + image->width - 1)); 129 BCI_SEND(fg); 130 BCI_SEND(bg); 131 BCI_SEND(BCI_X_Y(image->dx, image->dy)); 132 BCI_SEND(BCI_W_H(width, image->height)); 133 for (i = 0; i < size; i++) 134 BCI_SEND(src[i]); 135 } 136 137 MODULE_LICENSE("GPL"); 138