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authorJoseph Chan <JosephChan@via.com.tw>2008-10-16 01:03:21 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 14:21:41 -0400
commit801b8a8c91ff054cc93fdac65e2f067c22986bbb (patch)
treeffc1d8e5af2a5bfac24588e3f9a7292d4a0f9f32 /drivers/video
parent6bde3ed98d9d0bc2e71b3123b003d5614debda74 (diff)
viafb: accel.c, accel.h
2D and HW cursor stuff of viafb driver. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan <josephchan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/via/accel.c279
-rw-r--r--drivers/video/via/accel.h169
2 files changed, 448 insertions, 0 deletions
diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c
new file mode 100644
index 000000000000..632523ff1fb7
--- /dev/null
+++ b/drivers/video/via/accel.c
@@ -0,0 +1,279 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21#include "global.h"
22
23void viafb_init_accel(void)
24{
25 viaparinfo->fbmem_free -= CURSOR_SIZE;
26 viaparinfo->cursor_start = viaparinfo->fbmem_free;
27 viaparinfo->fbmem_used += CURSOR_SIZE;
28
29 /* Reverse 8*1024 memory space for cursor image */
30 viaparinfo->fbmem_free -= (CURSOR_SIZE + VQ_SIZE);
31 viaparinfo->VQ_start = viaparinfo->fbmem_free;
32 viaparinfo->VQ_end = viaparinfo->VQ_start + VQ_SIZE - 1;
33 viaparinfo->fbmem_used += (CURSOR_SIZE + VQ_SIZE); }
34
35void viafb_init_2d_engine(void)
36{
37 u32 dwVQStartAddr, dwVQEndAddr;
38 u32 dwVQLen, dwVQStartL, dwVQEndL, dwVQStartEndH;
39
40 /* init 2D engine regs to reset 2D engine */
41 writel(0x0, viaparinfo->io_virt + VIA_REG_GEMODE);
42 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
43 writel(0x0, viaparinfo->io_virt + VIA_REG_DSTPOS);
44 writel(0x0, viaparinfo->io_virt + VIA_REG_DIMENSION);
45 writel(0x0, viaparinfo->io_virt + VIA_REG_PATADDR);
46 writel(0x0, viaparinfo->io_virt + VIA_REG_FGCOLOR);
47 writel(0x0, viaparinfo->io_virt + VIA_REG_BGCOLOR);
48 writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPTL);
49 writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPBR);
50 writel(0x0, viaparinfo->io_virt + VIA_REG_OFFSET);
51 writel(0x0, viaparinfo->io_virt + VIA_REG_KEYCONTROL);
52 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
53 writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE);
54 writel(0x0, viaparinfo->io_virt + VIA_REG_PITCH);
55 writel(0x0, viaparinfo->io_virt + VIA_REG_MONOPAT1);
56
57 /* Init AGP and VQ regs */
58 switch (viaparinfo->chip_info->gfx_chip_name) {
59 case UNICHROME_K8M890:
60 case UNICHROME_P4M900:
61 writel(0x00100000, viaparinfo->io_virt + VIA_REG_CR_TRANSET);
62 writel(0x680A0000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
63 writel(0x02000000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
64 break;
65
66 default:
67 writel(0x00100000, viaparinfo->io_virt + VIA_REG_TRANSET);
68 writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
69 writel(0x00333004, viaparinfo->io_virt + VIA_REG_TRANSPACE);
70 writel(0x60000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
71 writel(0x61000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
72 writel(0x62000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
73 writel(0x63000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
74 writel(0x64000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
75 writel(0x7D000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
76
77 writel(0xFE020000, viaparinfo->io_virt + VIA_REG_TRANSET);
78 writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE);
79 break;
80 }
81 if (viaparinfo->VQ_start != 0) {
82 /* Enable VQ */
83 dwVQStartAddr = viaparinfo->VQ_start;
84 dwVQEndAddr = viaparinfo->VQ_end;
85
86 dwVQStartL = 0x50000000 | (dwVQStartAddr & 0xFFFFFF);
87 dwVQEndL = 0x51000000 | (dwVQEndAddr & 0xFFFFFF);
88 dwVQStartEndH = 0x52000000 |
89 ((dwVQStartAddr & 0xFF000000) >> 24) |
90 ((dwVQEndAddr & 0xFF000000) >> 16);
91 dwVQLen = 0x53000000 | (VQ_SIZE >> 3);
92 switch (viaparinfo->chip_info->gfx_chip_name) {
93 case UNICHROME_K8M890:
94 case UNICHROME_P4M900:
95 dwVQStartL |= 0x20000000;
96 dwVQEndL |= 0x20000000;
97 dwVQStartEndH |= 0x20000000;
98 dwVQLen |= 0x20000000;
99 break;
100 default:
101 break;
102 }
103
104 switch (viaparinfo->chip_info->gfx_chip_name) {
105 case UNICHROME_K8M890:
106 case UNICHROME_P4M900:
107 writel(0x00100000,
108 viaparinfo->io_virt + VIA_REG_CR_TRANSET);
109 writel(dwVQStartEndH,
110 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
111 writel(dwVQStartL,
112 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
113 writel(dwVQEndL,
114 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
115 writel(dwVQLen,
116 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
117 writel(0x74301001,
118 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
119 writel(0x00000000,
120 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
121 break;
122 default:
123 writel(0x00FE0000,
124 viaparinfo->io_virt + VIA_REG_TRANSET);
125 writel(0x080003FE,
126 viaparinfo->io_virt + VIA_REG_TRANSPACE);
127 writel(0x0A00027C,
128 viaparinfo->io_virt + VIA_REG_TRANSPACE);
129 writel(0x0B000260,
130 viaparinfo->io_virt + VIA_REG_TRANSPACE);
131 writel(0x0C000274,
132 viaparinfo->io_virt + VIA_REG_TRANSPACE);
133 writel(0x0D000264,
134 viaparinfo->io_virt + VIA_REG_TRANSPACE);
135 writel(0x0E000000,
136 viaparinfo->io_virt + VIA_REG_TRANSPACE);
137 writel(0x0F000020,
138 viaparinfo->io_virt + VIA_REG_TRANSPACE);
139 writel(0x1000027E,
140 viaparinfo->io_virt + VIA_REG_TRANSPACE);
141 writel(0x110002FE,
142 viaparinfo->io_virt + VIA_REG_TRANSPACE);
143 writel(0x200F0060,
144 viaparinfo->io_virt + VIA_REG_TRANSPACE);
145
146 writel(0x00000006,
147 viaparinfo->io_virt + VIA_REG_TRANSPACE);
148 writel(0x40008C0F,
149 viaparinfo->io_virt + VIA_REG_TRANSPACE);
150 writel(0x44000000,
151 viaparinfo->io_virt + VIA_REG_TRANSPACE);
152 writel(0x45080C04,
153 viaparinfo->io_virt + VIA_REG_TRANSPACE);
154 writel(0x46800408,
155 viaparinfo->io_virt + VIA_REG_TRANSPACE);
156
157 writel(dwVQStartEndH,
158 viaparinfo->io_virt + VIA_REG_TRANSPACE);
159 writel(dwVQStartL,
160 viaparinfo->io_virt + VIA_REG_TRANSPACE);
161 writel(dwVQEndL,
162 viaparinfo->io_virt + VIA_REG_TRANSPACE);
163 writel(dwVQLen,
164 viaparinfo->io_virt + VIA_REG_TRANSPACE);
165 break;
166 }
167 } else {
168 /* Disable VQ */
169 switch (viaparinfo->chip_info->gfx_chip_name) {
170 case UNICHROME_K8M890:
171 case UNICHROME_P4M900:
172 writel(0x00100000,
173 viaparinfo->io_virt + VIA_REG_CR_TRANSET);
174 writel(0x74301000,
175 viaparinfo->io_virt + VIA_REG_CR_TRANSPACE);
176 break;
177 default:
178 writel(0x00FE0000,
179 viaparinfo->io_virt + VIA_REG_TRANSET);
180 writel(0x00000004,
181 viaparinfo->io_virt + VIA_REG_TRANSPACE);
182 writel(0x40008C0F,
183 viaparinfo->io_virt + VIA_REG_TRANSPACE);
184 writel(0x44000000,
185 viaparinfo->io_virt + VIA_REG_TRANSPACE);
186 writel(0x45080C04,
187 viaparinfo->io_virt + VIA_REG_TRANSPACE);
188 writel(0x46800408,
189 viaparinfo->io_virt + VIA_REG_TRANSPACE);
190 break;
191 }
192 }
193
194 viafb_set_2d_color_depth(viaparinfo->bpp);
195
196 writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
197 writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE);
198
199 writel(VIA_PITCH_ENABLE |
200 (((viaparinfo->hres *
201 viaparinfo->bpp >> 3) >> 3) | (((viaparinfo->hres *
202 viaparinfo->
203 bpp >> 3) >> 3) << 16)),
204 viaparinfo->io_virt + VIA_REG_PITCH);
205}
206
207void viafb_set_2d_color_depth(int bpp)
208{
209 u32 dwGEMode;
210
211 dwGEMode = readl(viaparinfo->io_virt + 0x04) & 0xFFFFFCFF;
212
213 switch (bpp) {
214 case 16:
215 dwGEMode |= VIA_GEM_16bpp;
216 break;
217 case 32:
218 dwGEMode |= VIA_GEM_32bpp;
219 break;
220 default:
221 dwGEMode |= VIA_GEM_8bpp;
222 break;
223 }
224
225 /* Set BPP and Pitch */
226 writel(dwGEMode, viaparinfo->io_virt + VIA_REG_GEMODE);
227}
228
229void viafb_hw_cursor_init(void)
230{
231 /* Set Cursor Image Base Address */
232 writel(viaparinfo->cursor_start,
233 viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
234 writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
235 writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
236 writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
237 writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
238}
239
240void viafb_show_hw_cursor(struct fb_info *info, int Status)
241{
242 u32 temp;
243 u32 iga_path = ((struct viafb_par *)(info->par))->iga_path;
244
245 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
246 switch (Status) {
247 case HW_Cursor_ON:
248 temp |= 0x1;
249 break;
250 case HW_Cursor_OFF:
251 temp &= 0xFFFFFFFE;
252 break;
253 }
254 switch (iga_path) {
255 case IGA2:
256 temp |= 0x80000000;
257 break;
258 case IGA1:
259 default:
260 temp &= 0x7FFFFFFF;
261 }
262 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
263}
264
265int viafb_wait_engine_idle(void)
266{
267 int loop = 0;
268
269 while (!(readl(viaparinfo->io_virt + VIA_REG_STATUS) &
270 VIA_VR_QUEUE_BUSY) && (loop++ < MAXLOOP))
271 cpu_relax();
272
273 while ((readl(viaparinfo->io_virt + VIA_REG_STATUS) &
274 (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | VIA_3D_ENG_BUSY)) &&
275 (loop++ < MAXLOOP))
276 cpu_relax();
277
278 return loop >= MAXLOOP;
279}
diff --git a/drivers/video/via/accel.h b/drivers/video/via/accel.h
new file mode 100644
index 000000000000..29bf854e8ccf
--- /dev/null
+++ b/drivers/video/via/accel.h
@@ -0,0 +1,169 @@
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#ifndef __ACCEL_H__
23#define __ACCEL_H__
24
25#define FB_ACCEL_VIA_UNICHROME 50
26
27/* MMIO Base Address Definition */
28#define MMIO_VGABASE 0x8000
29#define MMIO_CR_READ (MMIO_VGABASE + 0x3D4)
30#define MMIO_CR_WRITE (MMIO_VGABASE + 0x3D5)
31#define MMIO_SR_READ (MMIO_VGABASE + 0x3C4)
32#define MMIO_SR_WRITE (MMIO_VGABASE + 0x3C5)
33
34/* HW Cursor Status Define */
35#define HW_Cursor_ON 0
36#define HW_Cursor_OFF 1
37
38#define CURSOR_SIZE (8 * 1024)
39#define VQ_SIZE (256 * 1024)
40
41#define VIA_MMIO_BLTBASE 0x200000
42#define VIA_MMIO_BLTSIZE 0x200000
43
44/* Defines for 2D registers */
45#define VIA_REG_GECMD 0x000
46#define VIA_REG_GEMODE 0x004
47#define VIA_REG_SRCPOS 0x008
48#define VIA_REG_DSTPOS 0x00C
49/* width and height */
50#define VIA_REG_DIMENSION 0x010
51#define VIA_REG_PATADDR 0x014
52#define VIA_REG_FGCOLOR 0x018
53#define VIA_REG_BGCOLOR 0x01C
54/* top and left of clipping */
55#define VIA_REG_CLIPTL 0x020
56/* bottom and right of clipping */
57#define VIA_REG_CLIPBR 0x024
58#define VIA_REG_OFFSET 0x028
59/* color key control */
60#define VIA_REG_KEYCONTROL 0x02C
61#define VIA_REG_SRCBASE 0x030
62#define VIA_REG_DSTBASE 0x034
63/* pitch of src and dst */
64#define VIA_REG_PITCH 0x038
65#define VIA_REG_MONOPAT0 0x03C
66#define VIA_REG_MONOPAT1 0x040
67/* from 0x100 to 0x1ff */
68#define VIA_REG_COLORPAT 0x100
69
70/* VIA_REG_PITCH(0x38): Pitch Setting */
71#define VIA_PITCH_ENABLE 0x80000000
72
73/* defines for VIA HW cursor registers */
74#define VIA_REG_CURSOR_MODE 0x2D0
75#define VIA_REG_CURSOR_POS 0x2D4
76#define VIA_REG_CURSOR_ORG 0x2D8
77#define VIA_REG_CURSOR_BG 0x2DC
78#define VIA_REG_CURSOR_FG 0x2E0
79
80/* VIA_REG_GEMODE(0x04): GE mode */
81#define VIA_GEM_8bpp 0x00000000
82#define VIA_GEM_16bpp 0x00000100
83#define VIA_GEM_32bpp 0x00000300
84
85/* VIA_REG_GECMD(0x00): 2D Engine Command */
86#define VIA_GEC_NOOP 0x00000000
87#define VIA_GEC_BLT 0x00000001
88#define VIA_GEC_LINE 0x00000005
89
90/* Rotate Command */
91#define VIA_GEC_ROT 0x00000008
92
93#define VIA_GEC_SRC_XY 0x00000000
94#define VIA_GEC_SRC_LINEAR 0x00000010
95#define VIA_GEC_DST_XY 0x00000000
96#define VIA_GEC_DST_LINRAT 0x00000020
97
98#define VIA_GEC_SRC_FB 0x00000000
99#define VIA_GEC_SRC_SYS 0x00000040
100#define VIA_GEC_DST_FB 0x00000000
101#define VIA_GEC_DST_SYS 0x00000080
102
103/* source is mono */
104#define VIA_GEC_SRC_MONO 0x00000100
105/* pattern is mono */
106#define VIA_GEC_PAT_MONO 0x00000200
107/* mono src is opaque */
108#define VIA_GEC_MSRC_OPAQUE 0x00000000
109/* mono src is transparent */
110#define VIA_GEC_MSRC_TRANS 0x00000400
111/* pattern is in frame buffer */
112#define VIA_GEC_PAT_FB 0x00000000
113/* pattern is from reg setting */
114#define VIA_GEC_PAT_REG 0x00000800
115
116#define VIA_GEC_CLIP_DISABLE 0x00000000
117#define VIA_GEC_CLIP_ENABLE 0x00001000
118
119#define VIA_GEC_FIXCOLOR_PAT 0x00002000
120
121#define VIA_GEC_INCX 0x00000000
122#define VIA_GEC_DECY 0x00004000
123#define VIA_GEC_INCY 0x00000000
124#define VIA_GEC_DECX 0x00008000
125/* mono pattern is opaque */
126#define VIA_GEC_MPAT_OPAQUE 0x00000000
127/* mono pattern is transparent */
128#define VIA_GEC_MPAT_TRANS 0x00010000
129
130#define VIA_GEC_MONO_UNPACK 0x00000000
131#define VIA_GEC_MONO_PACK 0x00020000
132#define VIA_GEC_MONO_DWORD 0x00000000
133#define VIA_GEC_MONO_WORD 0x00040000
134#define VIA_GEC_MONO_BYTE 0x00080000
135
136#define VIA_GEC_LASTPIXEL_ON 0x00000000
137#define VIA_GEC_LASTPIXEL_OFF 0x00100000
138#define VIA_GEC_X_MAJOR 0x00000000
139#define VIA_GEC_Y_MAJOR 0x00200000
140#define VIA_GEC_QUICK_START 0x00800000
141
142/* defines for VIA 3D registers */
143#define VIA_REG_STATUS 0x400
144#define VIA_REG_CR_TRANSET 0x41C
145#define VIA_REG_CR_TRANSPACE 0x420
146#define VIA_REG_TRANSET 0x43C
147#define VIA_REG_TRANSPACE 0x440
148
149/* VIA_REG_STATUS(0x400): Engine Status */
150
151/* Command Regulator is busy */
152#define VIA_CMD_RGTR_BUSY 0x00000080
153/* 2D Engine is busy */
154#define VIA_2D_ENG_BUSY 0x00000002
155/* 3D Engine is busy */
156#define VIA_3D_ENG_BUSY 0x00000001
157/* Virtual Queue is busy */
158#define VIA_VR_QUEUE_BUSY 0x00020000
159
160#define MAXLOOP 0xFFFFFF
161
162void viafb_init_accel(void);
163void viafb_init_2d_engine(void);
164void set_2d_color_depth(int);
165void viafb_hw_cursor_init(void);
166void viafb_show_hw_cursor(struct fb_info *info, int Status); int
167viafb_wait_engine_idle(void); void viafb_set_2d_color_depth(int bpp);
168
169#endif /* __ACCEL_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-28 23:11:28 -0500