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1da177e4 LT |
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> | |
355b200b | 14 | #include <linux/module.h> |
1da177e4 LT |
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 | { | |
b8901b09 | 25 | struct savagefb_par *par = info->par; |
1da177e4 LT |
26 | |
27 | par->SavageWaitIdle(par); | |
28 | return 0; | |
29 | } | |
30 | ||
31 | void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region) | |
32 | { | |
b8901b09 | 33 | struct savagefb_par *par = info->par; |
1da177e4 LT |
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 | { | |
b8901b09 | 67 | struct savagefb_par *par = info->par; |
1da177e4 LT |
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 | { | |
b8901b09 | 94 | struct savagefb_par *par = info->par; |
1da177e4 LT |
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"); |