Merge branch 'r8169-for-jeff-20070919' of git://electric-eye.fr.zoreil.com/home/romie...
[linux-2.6] / drivers / video / savage / savagefb_accel.c
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
15 #include "savagefb.h"
16
17 static u32 savagefb_rop[] = {
18         0xCC, /* ROP_COPY */
19         0x5A  /* ROP_XOR  */
20 };
21
22 int savagefb_sync(struct fb_info *info)
23 {
24         struct savagefb_par *par = info->par;
25
26         par->SavageWaitIdle(par);
27         return 0;
28 }
29
30 void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
31 {
32         struct savagefb_par *par = info->par;
33         int sx = region->sx, dx = region->dx;
34         int sy = region->sy, dy = region->dy;
35         int cmd;
36
37         if (!region->width || !region->height)
38                 return;
39         par->bci_ptr = 0;
40         cmd = BCI_CMD_RECT | BCI_CMD_DEST_GBD | BCI_CMD_SRC_GBD;
41         BCI_CMD_SET_ROP(cmd, savagefb_rop[0]);
42
43         if (dx <= sx) {
44                 cmd |= BCI_CMD_RECT_XP;
45         } else {
46                 sx += region->width - 1;
47                 dx += region->width - 1;
48         }
49
50         if (dy <= sy) {
51                 cmd |= BCI_CMD_RECT_YP;
52         } else {
53                 sy += region->height - 1;
54                 dy += region->height - 1;
55         }
56
57         par->SavageWaitFifo(par,4);
58         BCI_SEND(cmd);
59         BCI_SEND(BCI_X_Y(sx, sy));
60         BCI_SEND(BCI_X_Y(dx, dy));
61         BCI_SEND(BCI_W_H(region->width, region->height));
62 }
63
64 void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
65 {
66         struct savagefb_par *par = info->par;
67         int cmd, color;
68
69         if (!rect->width || !rect->height)
70                 return;
71
72         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
73                 color = rect->color;
74         else
75                 color = ((u32 *)info->pseudo_palette)[rect->color];
76
77         cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
78               BCI_CMD_DEST_GBD | BCI_CMD_SRC_SOLID |
79               BCI_CMD_SEND_COLOR;
80
81         par->bci_ptr = 0;
82         BCI_CMD_SET_ROP(cmd, savagefb_rop[rect->rop]);
83
84         par->SavageWaitFifo(par,4);
85         BCI_SEND(cmd);
86         BCI_SEND(color);
87         BCI_SEND( BCI_X_Y(rect->dx, rect->dy) );
88         BCI_SEND( BCI_W_H(rect->width, rect->height) );
89 }
90
91 void savagefb_imageblit(struct fb_info *info, const struct fb_image *image)
92 {
93         struct savagefb_par *par = info->par;
94         int fg, bg, size, i, width;
95         int cmd;
96         u32 *src = (u32 *) image->data;
97
98         if (!image->width || !image->height)
99                 return;
100
101         if (image->depth != 1) {
102                 cfb_imageblit(info, image);
103                 return;
104         }
105
106         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
107                 fg = image->fg_color;
108                 bg = image->bg_color;
109         } else {
110                 fg = ((u32 *)info->pseudo_palette)[image->fg_color];
111                 bg = ((u32 *)info->pseudo_palette)[image->bg_color];
112         }
113
114         cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
115               BCI_CMD_CLIP_LR | BCI_CMD_DEST_GBD | BCI_CMD_SRC_MONO |
116               BCI_CMD_SEND_COLOR;
117
118         par->bci_ptr = 0;
119         BCI_CMD_SET_ROP(cmd, savagefb_rop[0]);
120
121         width = (image->width + 31) & ~31;
122         size = (width * image->height)/8;
123         size >>= 2;
124
125         par->SavageWaitFifo(par, size + 5);
126         BCI_SEND(cmd);
127         BCI_SEND(BCI_CLIP_LR(image->dx, image->dx + image->width - 1));
128         BCI_SEND(fg);
129         BCI_SEND(bg);
130         BCI_SEND(BCI_X_Y(image->dx, image->dy));
131         BCI_SEND(BCI_W_H(width, image->height));
132         for (i = 0; i < size; i++)
133                 BCI_SEND(src[i]);
134 }
135
136 MODULE_LICENSE("GPL");