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wdenka6c7ad22002-12-03 21:28:10 +00001/*
2 * (C) Copyright 2002
3 * Stäubli Faverges - <www.staubli.com>
4 * Pierre AUBERT p.aubert@staubli.com
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24/* Video support for Epson SED13806 chipset */
25
26#include <common.h>
27
wdenka6c7ad22002-12-03 21:28:10 +000028#include <video_fb.h>
29#include <sed13806.h>
30
31#define readByte(ptrReg) \
32 *(volatile unsigned char *)(sed13806.isaBase + ptrReg)
33
34#define writeByte(ptrReg,value) \
35 *(volatile unsigned char *)(sed13806.isaBase + ptrReg) = value
36
wdenk89394042004-08-04 21:56:49 +000037#ifdef CONFIG_TOTAL5200
38#define writeWord(ptrReg,value) \
39 (*(volatile unsigned short *)(sed13806.isaBase + ptrReg) = value)
40#else
wdenka6c7ad22002-12-03 21:28:10 +000041#define writeWord(ptrReg,value) \
42 (*(volatile unsigned short *)(sed13806.isaBase + ptrReg) = ((value >> 8 ) & 0xff) | ((value << 8) & 0xff00))
wdenk89394042004-08-04 21:56:49 +000043#endif
wdenka6c7ad22002-12-03 21:28:10 +000044
45GraphicDevice sed13806;
46
47/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +000048 * EpsonSetRegs --
wdenka6c7ad22002-12-03 21:28:10 +000049 *-----------------------------------------------------------------------------
50 */
51static void EpsonSetRegs (void)
52{
53 /* the content of the chipset register depends on the board (clocks, ...)*/
54 const S1D_REGS *preg = board_get_regs ();
55 while (preg -> Index) {
wdenk8bde7f72003-06-27 21:31:46 +000056 writeByte (preg -> Index, preg -> Value);
57 preg ++;
wdenka6c7ad22002-12-03 21:28:10 +000058 }
59}
wdenk8bde7f72003-06-27 21:31:46 +000060
wdenka6c7ad22002-12-03 21:28:10 +000061/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +000062 * video_hw_init --
wdenka6c7ad22002-12-03 21:28:10 +000063 *-----------------------------------------------------------------------------
64 */
65void *video_hw_init (void)
66{
67 unsigned int *vm, i;
68
69 memset (&sed13806, 0, sizeof (GraphicDevice));
70
71 /* Initialization of the access to the graphic chipset
72 Retreive base address of the chipset
73 (see board/RPXClassic/eccx.c) */
74 if ((sed13806.isaBase = board_video_init ()) == 0) {
wdenk8bde7f72003-06-27 21:31:46 +000075 return (NULL);
wdenka6c7ad22002-12-03 21:28:10 +000076 }
77
78 sed13806.frameAdrs = sed13806.isaBase + FRAME_BUFFER_OFFSET;
79 sed13806.winSizeX = board_get_width ();
80 sed13806.winSizeY = board_get_height ();
81
82#if defined(CONFIG_VIDEO_SED13806_8BPP)
83 sed13806.gdfIndex = GDF__8BIT_INDEX;
84 sed13806.gdfBytesPP = 1;
wdenk8bde7f72003-06-27 21:31:46 +000085
wdenka6c7ad22002-12-03 21:28:10 +000086#elif defined(CONFIG_VIDEO_SED13806_16BPP)
87 sed13806.gdfIndex = GDF_16BIT_565RGB;
88 sed13806.gdfBytesPP = 2;
89
90#else
91#error Unsupported SED13806 BPP
92#endif
93
94 sed13806.memSize = sed13806.winSizeX * sed13806.winSizeY * sed13806.gdfBytesPP;
95
96 /* Load SED registers */
97 EpsonSetRegs ();
98
99 /* (see board/RPXClassic/RPXClassic.c) */
100 board_validate_screen (sed13806.isaBase);
101
102 /* Clear video memory */
103 i = sed13806.memSize/4;
104 vm = (unsigned int *)sed13806.frameAdrs;
105 while(i--)
wdenk8bde7f72003-06-27 21:31:46 +0000106 *vm++ = 0;
107
108
wdenka6c7ad22002-12-03 21:28:10 +0000109 return (&sed13806);
110}
111/*-----------------------------------------------------------------------------
112 * Epson_wait_idle -- Wait for hardware to become idle
113 *-----------------------------------------------------------------------------
114 */
115static void Epson_wait_idle (void)
116{
117 while (readByte (BLT_CTRL0) & 0x80);
118
119 /* Read a word in the BitBLT memory area to shutdown the BitBLT engine */
120 *(volatile unsigned short *)(sed13806.isaBase + BLT_REG);
121}
122
123/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000124 * video_hw_bitblt --
wdenka6c7ad22002-12-03 21:28:10 +0000125 *-----------------------------------------------------------------------------
126 */
127void video_hw_bitblt (
128 unsigned int bpp, /* bytes per pixel */
129 unsigned int src_x, /* source pos x */
130 unsigned int src_y, /* source pos y */
131 unsigned int dst_x, /* dest pos x */
132 unsigned int dst_y, /* dest pos y */
133 unsigned int dim_x, /* frame width */
134 unsigned int dim_y /* frame height */
135 )
136{
137 register GraphicDevice *pGD = (GraphicDevice *)&sed13806;
138 unsigned long srcAddr, dstAddr;
139 unsigned int stride = bpp * pGD -> winSizeX;
140
141 srcAddr = (src_y * stride) + (src_x * bpp);
142 dstAddr = (dst_y * stride) + (dst_x * bpp);
143
144 Epson_wait_idle ();
wdenk8bde7f72003-06-27 21:31:46 +0000145
146 writeByte(BLT_ROP,0x0C); /* source */
147 writeByte(BLT_OP,0x02);/* move blit in positive direction with ROP */
wdenka6c7ad22002-12-03 21:28:10 +0000148 writeWord(BLT_MEM_OFF0, stride / 2);
149 if (pGD -> gdfIndex == GDF__8BIT_INDEX) {
wdenk8bde7f72003-06-27 21:31:46 +0000150 writeByte(BLT_CTRL1,0x00);
wdenka6c7ad22002-12-03 21:28:10 +0000151 }
152 else {
wdenk8bde7f72003-06-27 21:31:46 +0000153 writeByte(BLT_CTRL1,0x01);
wdenka6c7ad22002-12-03 21:28:10 +0000154 }
155
156 writeWord(BLT_WIDTH0,(dim_x - 1));
157 writeWord(BLT_HEIGHT0,(dim_y - 1));
wdenk8bde7f72003-06-27 21:31:46 +0000158
wdenka6c7ad22002-12-03 21:28:10 +0000159 /* set up blit registers */
160 writeByte(BLT_SRC_ADDR0,srcAddr);
wdenk8bde7f72003-06-27 21:31:46 +0000161 writeByte(BLT_SRC_ADDR1,srcAddr>>8);
162 writeByte(BLT_SRC_ADDR2,srcAddr>>16);
163
wdenka6c7ad22002-12-03 21:28:10 +0000164 writeByte(BLT_DST_ADDR0,dstAddr);
wdenk8bde7f72003-06-27 21:31:46 +0000165 writeByte(BLT_DST_ADDR1,dstAddr>>8);
166 writeByte(BLT_DST_ADDR2,dstAddr>>16);
167
wdenka6c7ad22002-12-03 21:28:10 +0000168 /* Engage the blt engine */
169 /* rectangular region for src and dst */
170 writeByte(BLT_CTRL0,0x80);
171
172 /* wait untill current blits finished */
173 Epson_wait_idle ();
174}
175/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000176 * video_hw_rectfill --
wdenka6c7ad22002-12-03 21:28:10 +0000177 *-----------------------------------------------------------------------------
178 */
179void video_hw_rectfill (
180 unsigned int bpp, /* bytes per pixel */
181 unsigned int dst_x, /* dest pos x */
182 unsigned int dst_y, /* dest pos y */
183 unsigned int dim_x, /* frame width */
184 unsigned int dim_y, /* frame height */
185 unsigned int color /* fill color */
186 )
187{
188 register GraphicDevice *pGD = (GraphicDevice *)&sed13806;
189 unsigned long dstAddr;
190 unsigned int stride = bpp * pGD -> winSizeX;
191
192 dstAddr = (dst_y * stride) + (dst_x * bpp);
193
194 Epson_wait_idle ();
195
196 /* set up blit registers */
197 writeByte(BLT_DST_ADDR0,dstAddr);
wdenk8bde7f72003-06-27 21:31:46 +0000198 writeByte(BLT_DST_ADDR1,dstAddr>>8);
199 writeByte(BLT_DST_ADDR2,dstAddr>>16);
wdenka6c7ad22002-12-03 21:28:10 +0000200
201 writeWord(BLT_WIDTH0,(dim_x - 1));
202 writeWord(BLT_HEIGHT0,(dim_y - 1));
203 writeWord(BLT_FGCOLOR0,color);
204
205 writeByte(BLT_OP,0x0C); /* solid fill */
206 writeWord(BLT_MEM_OFF0,stride / 2);
207
208 if (pGD -> gdfIndex == GDF__8BIT_INDEX) {
wdenk8bde7f72003-06-27 21:31:46 +0000209 writeByte(BLT_CTRL1,0x00);
wdenka6c7ad22002-12-03 21:28:10 +0000210 }
211 else {
wdenk8bde7f72003-06-27 21:31:46 +0000212 writeByte(BLT_CTRL1,0x01);
wdenka6c7ad22002-12-03 21:28:10 +0000213 }
wdenk8bde7f72003-06-27 21:31:46 +0000214
wdenka6c7ad22002-12-03 21:28:10 +0000215 /* Engage the blt engine */
216 /* rectangular region for src and dst */
217 writeByte(BLT_CTRL0,0x80);
218
219 /* wait untill current blits finished */
220 Epson_wait_idle ();
221}
222
223/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000224 * video_set_lut --
wdenka6c7ad22002-12-03 21:28:10 +0000225 *-----------------------------------------------------------------------------
226 */
227void video_set_lut (
228 unsigned int index, /* color number */
229 unsigned char r, /* red */
230 unsigned char g, /* green */
231 unsigned char b /* blue */
232 )
233{
234 writeByte(REG_LUT_ADDR, index );
235 writeByte(REG_LUT_DATA, r);
236 writeByte(REG_LUT_DATA, g);
237 writeByte(REG_LUT_DATA, b);
238}
239#ifdef CONFIG_VIDEO_HW_CURSOR
240/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000241 * video_set_hw_cursor --
wdenka6c7ad22002-12-03 21:28:10 +0000242 *-----------------------------------------------------------------------------
243 */
244void video_set_hw_cursor (int x, int y)
245{
246 writeByte (LCD_CURSOR_XL, (x & 0xff));
247 writeByte (LCD_CURSOR_XM, (x >> 8));
248 writeByte (LCD_CURSOR_YL, (y & 0xff));
249 writeByte (LCD_CURSOR_YM, (y >> 8));
250}
251
252/*-----------------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000253 * video_init_hw_cursor --
wdenka6c7ad22002-12-03 21:28:10 +0000254 *-----------------------------------------------------------------------------
255 */
256void video_init_hw_cursor (int font_width, int font_height)
257{
258 volatile unsigned char *ptr;
259 unsigned char pattern;
260 int i;
wdenk8bde7f72003-06-27 21:31:46 +0000261
wdenka6c7ad22002-12-03 21:28:10 +0000262
263 /* Init cursor content
264 Cursor size is 64x64 pixels
265 Start of the cursor memory depends on panel type (dual panel ...) */
266 if ((i = readByte (LCD_CURSOR_START)) == 0) {
wdenk8bde7f72003-06-27 21:31:46 +0000267 ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - HWCURSORSIZE);
wdenka6c7ad22002-12-03 21:28:10 +0000268 }
269 else {
wdenk8bde7f72003-06-27 21:31:46 +0000270 ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - (i * 8192));
wdenka6c7ad22002-12-03 21:28:10 +0000271 }
272
273 /* Fill the first line and the first empty line after cursor */
274 for (i = 0, pattern = 0; i < 64; i++) {
wdenk8bde7f72003-06-27 21:31:46 +0000275 if (i < font_width) {
276 /* Invert background */
277 pattern |= 0x3;
278
279 }
280 else {
281 /* Background */
282 pattern |= 0x2;
283 }
284 if ((i & 3) == 3) {
285 *ptr = pattern;
286 *(ptr + font_height * 16) = 0xaa;
287 ptr ++;
288 pattern = 0;
289 }
290 pattern <<= 2;
wdenka6c7ad22002-12-03 21:28:10 +0000291 }
292
293 /* Duplicate this line */
294 for (i = 1; i < font_height; i++) {
wdenk8bde7f72003-06-27 21:31:46 +0000295 memcpy ((void *)ptr, (void *)(ptr - 16), 16);
296 ptr += 16;
wdenka6c7ad22002-12-03 21:28:10 +0000297 }
wdenk8bde7f72003-06-27 21:31:46 +0000298
wdenka6c7ad22002-12-03 21:28:10 +0000299 for (; i < 64; i++) {
wdenk8bde7f72003-06-27 21:31:46 +0000300 memcpy ((void *)(ptr + 16), (void *)ptr, 16);
301 ptr += 16;
wdenka6c7ad22002-12-03 21:28:10 +0000302 }
303
304 /* Select cursor mode */
305 writeByte (LCD_CURSOR_CNTL, 1);
306}
307#endif