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viafb: Add 1200x900 DCON/LCD panel modes for OLPC XO-1.5
[mirror_ubuntu-artful-kernel.git] / drivers / video / via / hw.c
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 #include "global.h"
23
24 static struct pll_map pll_value[] = {
25 {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M,
26 CX700_25_175M, VX855_25_175M},
27 {CLK_29_581M, CLE266_PLL_29_581M, K800_PLL_29_581M,
28 CX700_29_581M, VX855_29_581M},
29 {CLK_26_880M, CLE266_PLL_26_880M, K800_PLL_26_880M,
30 CX700_26_880M, VX855_26_880M},
31 {CLK_31_490M, CLE266_PLL_31_490M, K800_PLL_31_490M,
32 CX700_31_490M, VX855_31_490M},
33 {CLK_31_500M, CLE266_PLL_31_500M, K800_PLL_31_500M,
34 CX700_31_500M, VX855_31_500M},
35 {CLK_31_728M, CLE266_PLL_31_728M, K800_PLL_31_728M,
36 CX700_31_728M, VX855_31_728M},
37 {CLK_32_668M, CLE266_PLL_32_668M, K800_PLL_32_668M,
38 CX700_32_668M, VX855_32_668M},
39 {CLK_36_000M, CLE266_PLL_36_000M, K800_PLL_36_000M,
40 CX700_36_000M, VX855_36_000M},
41 {CLK_40_000M, CLE266_PLL_40_000M, K800_PLL_40_000M,
42 CX700_40_000M, VX855_40_000M},
43 {CLK_41_291M, CLE266_PLL_41_291M, K800_PLL_41_291M,
44 CX700_41_291M, VX855_41_291M},
45 {CLK_43_163M, CLE266_PLL_43_163M, K800_PLL_43_163M,
46 CX700_43_163M, VX855_43_163M},
47 {CLK_45_250M, CLE266_PLL_45_250M, K800_PLL_45_250M,
48 CX700_45_250M, VX855_45_250M},
49 {CLK_46_000M, CLE266_PLL_46_000M, K800_PLL_46_000M,
50 CX700_46_000M, VX855_46_000M},
51 {CLK_46_996M, CLE266_PLL_46_996M, K800_PLL_46_996M,
52 CX700_46_996M, VX855_46_996M},
53 {CLK_48_000M, CLE266_PLL_48_000M, K800_PLL_48_000M,
54 CX700_48_000M, VX855_48_000M},
55 {CLK_48_875M, CLE266_PLL_48_875M, K800_PLL_48_875M,
56 CX700_48_875M, VX855_48_875M},
57 {CLK_49_500M, CLE266_PLL_49_500M, K800_PLL_49_500M,
58 CX700_49_500M, VX855_49_500M},
59 {CLK_52_406M, CLE266_PLL_52_406M, K800_PLL_52_406M,
60 CX700_52_406M, VX855_52_406M},
61 {CLK_52_977M, CLE266_PLL_52_977M, K800_PLL_52_977M,
62 CX700_52_977M, VX855_52_977M},
63 {CLK_56_250M, CLE266_PLL_56_250M, K800_PLL_56_250M,
64 CX700_56_250M, VX855_56_250M},
65 {CLK_57_275M, 0, 0, 0, VX855_57_275M},
66 {CLK_60_466M, CLE266_PLL_60_466M, K800_PLL_60_466M,
67 CX700_60_466M, VX855_60_466M},
68 {CLK_61_500M, CLE266_PLL_61_500M, K800_PLL_61_500M,
69 CX700_61_500M, VX855_61_500M},
70 {CLK_65_000M, CLE266_PLL_65_000M, K800_PLL_65_000M,
71 CX700_65_000M, VX855_65_000M},
72 {CLK_65_178M, CLE266_PLL_65_178M, K800_PLL_65_178M,
73 CX700_65_178M, VX855_65_178M},
74 {CLK_66_750M, CLE266_PLL_66_750M, K800_PLL_66_750M,
75 CX700_66_750M, VX855_66_750M},
76 {CLK_68_179M, CLE266_PLL_68_179M, K800_PLL_68_179M,
77 CX700_68_179M, VX855_68_179M},
78 {CLK_69_924M, CLE266_PLL_69_924M, K800_PLL_69_924M,
79 CX700_69_924M, VX855_69_924M},
80 {CLK_70_159M, CLE266_PLL_70_159M, K800_PLL_70_159M,
81 CX700_70_159M, VX855_70_159M},
82 {CLK_72_000M, CLE266_PLL_72_000M, K800_PLL_72_000M,
83 CX700_72_000M, VX855_72_000M},
84 {CLK_78_750M, CLE266_PLL_78_750M, K800_PLL_78_750M,
85 CX700_78_750M, VX855_78_750M},
86 {CLK_80_136M, CLE266_PLL_80_136M, K800_PLL_80_136M,
87 CX700_80_136M, VX855_80_136M},
88 {CLK_83_375M, CLE266_PLL_83_375M, K800_PLL_83_375M,
89 CX700_83_375M, VX855_83_375M},
90 {CLK_83_950M, CLE266_PLL_83_950M, K800_PLL_83_950M,
91 CX700_83_950M, VX855_83_950M},
92 {CLK_84_750M, CLE266_PLL_84_750M, K800_PLL_84_750M,
93 CX700_84_750M, VX855_84_750M},
94 {CLK_85_860M, CLE266_PLL_85_860M, K800_PLL_85_860M,
95 CX700_85_860M, VX855_85_860M},
96 {CLK_88_750M, CLE266_PLL_88_750M, K800_PLL_88_750M,
97 CX700_88_750M, VX855_88_750M},
98 {CLK_94_500M, CLE266_PLL_94_500M, K800_PLL_94_500M,
99 CX700_94_500M, VX855_94_500M},
100 {CLK_97_750M, CLE266_PLL_97_750M, K800_PLL_97_750M,
101 CX700_97_750M, VX855_97_750M},
102 {CLK_101_000M, CLE266_PLL_101_000M, K800_PLL_101_000M,
103 CX700_101_000M, VX855_101_000M},
104 {CLK_106_500M, CLE266_PLL_106_500M, K800_PLL_106_500M,
105 CX700_106_500M, VX855_106_500M},
106 {CLK_108_000M, CLE266_PLL_108_000M, K800_PLL_108_000M,
107 CX700_108_000M, VX855_108_000M},
108 {CLK_113_309M, CLE266_PLL_113_309M, K800_PLL_113_309M,
109 CX700_113_309M, VX855_113_309M},
110 {CLK_118_840M, CLE266_PLL_118_840M, K800_PLL_118_840M,
111 CX700_118_840M, VX855_118_840M},
112 {CLK_119_000M, CLE266_PLL_119_000M, K800_PLL_119_000M,
113 CX700_119_000M, VX855_119_000M},
114 {CLK_121_750M, CLE266_PLL_121_750M, K800_PLL_121_750M,
115 CX700_121_750M, 0},
116 {CLK_125_104M, CLE266_PLL_125_104M, K800_PLL_125_104M,
117 CX700_125_104M, 0},
118 {CLK_133_308M, CLE266_PLL_133_308M, K800_PLL_133_308M,
119 CX700_133_308M, 0},
120 {CLK_135_000M, CLE266_PLL_135_000M, K800_PLL_135_000M,
121 CX700_135_000M, VX855_135_000M},
122 {CLK_136_700M, CLE266_PLL_136_700M, K800_PLL_136_700M,
123 CX700_136_700M, VX855_136_700M},
124 {CLK_138_400M, CLE266_PLL_138_400M, K800_PLL_138_400M,
125 CX700_138_400M, VX855_138_400M},
126 {CLK_146_760M, CLE266_PLL_146_760M, K800_PLL_146_760M,
127 CX700_146_760M, VX855_146_760M},
128 {CLK_153_920M, CLE266_PLL_153_920M, K800_PLL_153_920M,
129 CX700_153_920M, VX855_153_920M},
130 {CLK_156_000M, CLE266_PLL_156_000M, K800_PLL_156_000M,
131 CX700_156_000M, VX855_156_000M},
132 {CLK_157_500M, CLE266_PLL_157_500M, K800_PLL_157_500M,
133 CX700_157_500M, VX855_157_500M},
134 {CLK_162_000M, CLE266_PLL_162_000M, K800_PLL_162_000M,
135 CX700_162_000M, VX855_162_000M},
136 {CLK_187_000M, CLE266_PLL_187_000M, K800_PLL_187_000M,
137 CX700_187_000M, VX855_187_000M},
138 {CLK_193_295M, CLE266_PLL_193_295M, K800_PLL_193_295M,
139 CX700_193_295M, VX855_193_295M},
140 {CLK_202_500M, CLE266_PLL_202_500M, K800_PLL_202_500M,
141 CX700_202_500M, VX855_202_500M},
142 {CLK_204_000M, CLE266_PLL_204_000M, K800_PLL_204_000M,
143 CX700_204_000M, VX855_204_000M},
144 {CLK_218_500M, CLE266_PLL_218_500M, K800_PLL_218_500M,
145 CX700_218_500M, VX855_218_500M},
146 {CLK_234_000M, CLE266_PLL_234_000M, K800_PLL_234_000M,
147 CX700_234_000M, VX855_234_000M},
148 {CLK_267_250M, CLE266_PLL_267_250M, K800_PLL_267_250M,
149 CX700_267_250M, VX855_267_250M},
150 {CLK_297_500M, CLE266_PLL_297_500M, K800_PLL_297_500M,
151 CX700_297_500M, VX855_297_500M},
152 {CLK_74_481M, CLE266_PLL_74_481M, K800_PLL_74_481M,
153 CX700_74_481M, VX855_74_481M},
154 {CLK_172_798M, CLE266_PLL_172_798M, K800_PLL_172_798M,
155 CX700_172_798M, VX855_172_798M},
156 {CLK_122_614M, CLE266_PLL_122_614M, K800_PLL_122_614M,
157 CX700_122_614M, VX855_122_614M},
158 {CLK_74_270M, CLE266_PLL_74_270M, K800_PLL_74_270M,
159 CX700_74_270M, 0},
160 {CLK_148_500M, CLE266_PLL_148_500M, K800_PLL_148_500M,
161 CX700_148_500M, VX855_148_500M}
162 };
163
164 static struct fifo_depth_select display_fifo_depth_reg = {
165 /* IGA1 FIFO Depth_Select */
166 {IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
167 /* IGA2 FIFO Depth_Select */
168 {IGA2_FIFO_DEPTH_SELECT_REG_NUM,
169 {{CR68, 4, 7}, {CR94, 7, 7}, {CR95, 7, 7} } }
170 };
171
172 static struct fifo_threshold_select fifo_threshold_select_reg = {
173 /* IGA1 FIFO Threshold Select */
174 {IGA1_FIFO_THRESHOLD_REG_NUM, {{SR16, 0, 5}, {SR16, 7, 7} } },
175 /* IGA2 FIFO Threshold Select */
176 {IGA2_FIFO_THRESHOLD_REG_NUM, {{CR68, 0, 3}, {CR95, 4, 6} } }
177 };
178
179 static struct fifo_high_threshold_select fifo_high_threshold_select_reg = {
180 /* IGA1 FIFO High Threshold Select */
181 {IGA1_FIFO_HIGH_THRESHOLD_REG_NUM, {{SR18, 0, 5}, {SR18, 7, 7} } },
182 /* IGA2 FIFO High Threshold Select */
183 {IGA2_FIFO_HIGH_THRESHOLD_REG_NUM, {{CR92, 0, 3}, {CR95, 0, 2} } }
184 };
185
186 static struct display_queue_expire_num display_queue_expire_num_reg = {
187 /* IGA1 Display Queue Expire Num */
188 {IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{SR22, 0, 4} } },
189 /* IGA2 Display Queue Expire Num */
190 {IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{CR94, 0, 6} } }
191 };
192
193 /* Definition Fetch Count Registers*/
194 static struct fetch_count fetch_count_reg = {
195 /* IGA1 Fetch Count Register */
196 {IGA1_FETCH_COUNT_REG_NUM, {{SR1C, 0, 7}, {SR1D, 0, 1} } },
197 /* IGA2 Fetch Count Register */
198 {IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } }
199 };
200
201 static struct iga1_crtc_timing iga1_crtc_reg = {
202 /* IGA1 Horizontal Total */
203 {IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } },
204 /* IGA1 Horizontal Addressable Video */
205 {IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } },
206 /* IGA1 Horizontal Blank Start */
207 {IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } },
208 /* IGA1 Horizontal Blank End */
209 {IGA1_HOR_BLANK_END_REG_NUM,
210 {{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } },
211 /* IGA1 Horizontal Sync Start */
212 {IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } },
213 /* IGA1 Horizontal Sync End */
214 {IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } },
215 /* IGA1 Vertical Total */
216 {IGA1_VER_TOTAL_REG_NUM,
217 {{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } },
218 /* IGA1 Vertical Addressable Video */
219 {IGA1_VER_ADDR_REG_NUM,
220 {{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } },
221 /* IGA1 Vertical Blank Start */
222 {IGA1_VER_BLANK_START_REG_NUM,
223 {{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } },
224 /* IGA1 Vertical Blank End */
225 {IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } },
226 /* IGA1 Vertical Sync Start */
227 {IGA1_VER_SYNC_START_REG_NUM,
228 {{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } },
229 /* IGA1 Vertical Sync End */
230 {IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } }
231 };
232
233 static struct iga2_crtc_timing iga2_crtc_reg = {
234 /* IGA2 Horizontal Total */
235 {IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } },
236 /* IGA2 Horizontal Addressable Video */
237 {IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } },
238 /* IGA2 Horizontal Blank Start */
239 {IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } },
240 /* IGA2 Horizontal Blank End */
241 {IGA2_HOR_BLANK_END_REG_NUM,
242 {{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } },
243 /* IGA2 Horizontal Sync Start */
244 {IGA2_HOR_SYNC_START_REG_NUM,
245 {{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } },
246 /* IGA2 Horizontal Sync End */
247 {IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } },
248 /* IGA2 Vertical Total */
249 {IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } },
250 /* IGA2 Vertical Addressable Video */
251 {IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } },
252 /* IGA2 Vertical Blank Start */
253 {IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } },
254 /* IGA2 Vertical Blank End */
255 {IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } },
256 /* IGA2 Vertical Sync Start */
257 {IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } },
258 /* IGA2 Vertical Sync End */
259 {IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } }
260 };
261
262 static struct rgbLUT palLUT_table[] = {
263 /* {R,G,B} */
264 /* Index 0x00~0x03 */
265 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x2A}, {0x00, 0x2A, 0x00}, {0x00,
266 0x2A,
267 0x2A},
268 /* Index 0x04~0x07 */
269 {0x2A, 0x00, 0x00}, {0x2A, 0x00, 0x2A}, {0x2A, 0x15, 0x00}, {0x2A,
270 0x2A,
271 0x2A},
272 /* Index 0x08~0x0B */
273 {0x15, 0x15, 0x15}, {0x15, 0x15, 0x3F}, {0x15, 0x3F, 0x15}, {0x15,
274 0x3F,
275 0x3F},
276 /* Index 0x0C~0x0F */
277 {0x3F, 0x15, 0x15}, {0x3F, 0x15, 0x3F}, {0x3F, 0x3F, 0x15}, {0x3F,
278 0x3F,
279 0x3F},
280 /* Index 0x10~0x13 */
281 {0x00, 0x00, 0x00}, {0x05, 0x05, 0x05}, {0x08, 0x08, 0x08}, {0x0B,
282 0x0B,
283 0x0B},
284 /* Index 0x14~0x17 */
285 {0x0E, 0x0E, 0x0E}, {0x11, 0x11, 0x11}, {0x14, 0x14, 0x14}, {0x18,
286 0x18,
287 0x18},
288 /* Index 0x18~0x1B */
289 {0x1C, 0x1C, 0x1C}, {0x20, 0x20, 0x20}, {0x24, 0x24, 0x24}, {0x28,
290 0x28,
291 0x28},
292 /* Index 0x1C~0x1F */
293 {0x2D, 0x2D, 0x2D}, {0x32, 0x32, 0x32}, {0x38, 0x38, 0x38}, {0x3F,
294 0x3F,
295 0x3F},
296 /* Index 0x20~0x23 */
297 {0x00, 0x00, 0x3F}, {0x10, 0x00, 0x3F}, {0x1F, 0x00, 0x3F}, {0x2F,
298 0x00,
299 0x3F},
300 /* Index 0x24~0x27 */
301 {0x3F, 0x00, 0x3F}, {0x3F, 0x00, 0x2F}, {0x3F, 0x00, 0x1F}, {0x3F,
302 0x00,
303 0x10},
304 /* Index 0x28~0x2B */
305 {0x3F, 0x00, 0x00}, {0x3F, 0x10, 0x00}, {0x3F, 0x1F, 0x00}, {0x3F,
306 0x2F,
307 0x00},
308 /* Index 0x2C~0x2F */
309 {0x3F, 0x3F, 0x00}, {0x2F, 0x3F, 0x00}, {0x1F, 0x3F, 0x00}, {0x10,
310 0x3F,
311 0x00},
312 /* Index 0x30~0x33 */
313 {0x00, 0x3F, 0x00}, {0x00, 0x3F, 0x10}, {0x00, 0x3F, 0x1F}, {0x00,
314 0x3F,
315 0x2F},
316 /* Index 0x34~0x37 */
317 {0x00, 0x3F, 0x3F}, {0x00, 0x2F, 0x3F}, {0x00, 0x1F, 0x3F}, {0x00,
318 0x10,
319 0x3F},
320 /* Index 0x38~0x3B */
321 {0x1F, 0x1F, 0x3F}, {0x27, 0x1F, 0x3F}, {0x2F, 0x1F, 0x3F}, {0x37,
322 0x1F,
323 0x3F},
324 /* Index 0x3C~0x3F */
325 {0x3F, 0x1F, 0x3F}, {0x3F, 0x1F, 0x37}, {0x3F, 0x1F, 0x2F}, {0x3F,
326 0x1F,
327 0x27},
328 /* Index 0x40~0x43 */
329 {0x3F, 0x1F, 0x1F}, {0x3F, 0x27, 0x1F}, {0x3F, 0x2F, 0x1F}, {0x3F,
330 0x3F,
331 0x1F},
332 /* Index 0x44~0x47 */
333 {0x3F, 0x3F, 0x1F}, {0x37, 0x3F, 0x1F}, {0x2F, 0x3F, 0x1F}, {0x27,
334 0x3F,
335 0x1F},
336 /* Index 0x48~0x4B */
337 {0x1F, 0x3F, 0x1F}, {0x1F, 0x3F, 0x27}, {0x1F, 0x3F, 0x2F}, {0x1F,
338 0x3F,
339 0x37},
340 /* Index 0x4C~0x4F */
341 {0x1F, 0x3F, 0x3F}, {0x1F, 0x37, 0x3F}, {0x1F, 0x2F, 0x3F}, {0x1F,
342 0x27,
343 0x3F},
344 /* Index 0x50~0x53 */
345 {0x2D, 0x2D, 0x3F}, {0x31, 0x2D, 0x3F}, {0x36, 0x2D, 0x3F}, {0x3A,
346 0x2D,
347 0x3F},
348 /* Index 0x54~0x57 */
349 {0x3F, 0x2D, 0x3F}, {0x3F, 0x2D, 0x3A}, {0x3F, 0x2D, 0x36}, {0x3F,
350 0x2D,
351 0x31},
352 /* Index 0x58~0x5B */
353 {0x3F, 0x2D, 0x2D}, {0x3F, 0x31, 0x2D}, {0x3F, 0x36, 0x2D}, {0x3F,
354 0x3A,
355 0x2D},
356 /* Index 0x5C~0x5F */
357 {0x3F, 0x3F, 0x2D}, {0x3A, 0x3F, 0x2D}, {0x36, 0x3F, 0x2D}, {0x31,
358 0x3F,
359 0x2D},
360 /* Index 0x60~0x63 */
361 {0x2D, 0x3F, 0x2D}, {0x2D, 0x3F, 0x31}, {0x2D, 0x3F, 0x36}, {0x2D,
362 0x3F,
363 0x3A},
364 /* Index 0x64~0x67 */
365 {0x2D, 0x3F, 0x3F}, {0x2D, 0x3A, 0x3F}, {0x2D, 0x36, 0x3F}, {0x2D,
366 0x31,
367 0x3F},
368 /* Index 0x68~0x6B */
369 {0x00, 0x00, 0x1C}, {0x07, 0x00, 0x1C}, {0x0E, 0x00, 0x1C}, {0x15,
370 0x00,
371 0x1C},
372 /* Index 0x6C~0x6F */
373 {0x1C, 0x00, 0x1C}, {0x1C, 0x00, 0x15}, {0x1C, 0x00, 0x0E}, {0x1C,
374 0x00,
375 0x07},
376 /* Index 0x70~0x73 */
377 {0x1C, 0x00, 0x00}, {0x1C, 0x07, 0x00}, {0x1C, 0x0E, 0x00}, {0x1C,
378 0x15,
379 0x00},
380 /* Index 0x74~0x77 */
381 {0x1C, 0x1C, 0x00}, {0x15, 0x1C, 0x00}, {0x0E, 0x1C, 0x00}, {0x07,
382 0x1C,
383 0x00},
384 /* Index 0x78~0x7B */
385 {0x00, 0x1C, 0x00}, {0x00, 0x1C, 0x07}, {0x00, 0x1C, 0x0E}, {0x00,
386 0x1C,
387 0x15},
388 /* Index 0x7C~0x7F */
389 {0x00, 0x1C, 0x1C}, {0x00, 0x15, 0x1C}, {0x00, 0x0E, 0x1C}, {0x00,
390 0x07,
391 0x1C},
392 /* Index 0x80~0x83 */
393 {0x0E, 0x0E, 0x1C}, {0x11, 0x0E, 0x1C}, {0x15, 0x0E, 0x1C}, {0x18,
394 0x0E,
395 0x1C},
396 /* Index 0x84~0x87 */
397 {0x1C, 0x0E, 0x1C}, {0x1C, 0x0E, 0x18}, {0x1C, 0x0E, 0x15}, {0x1C,
398 0x0E,
399 0x11},
400 /* Index 0x88~0x8B */
401 {0x1C, 0x0E, 0x0E}, {0x1C, 0x11, 0x0E}, {0x1C, 0x15, 0x0E}, {0x1C,
402 0x18,
403 0x0E},
404 /* Index 0x8C~0x8F */
405 {0x1C, 0x1C, 0x0E}, {0x18, 0x1C, 0x0E}, {0x15, 0x1C, 0x0E}, {0x11,
406 0x1C,
407 0x0E},
408 /* Index 0x90~0x93 */
409 {0x0E, 0x1C, 0x0E}, {0x0E, 0x1C, 0x11}, {0x0E, 0x1C, 0x15}, {0x0E,
410 0x1C,
411 0x18},
412 /* Index 0x94~0x97 */
413 {0x0E, 0x1C, 0x1C}, {0x0E, 0x18, 0x1C}, {0x0E, 0x15, 0x1C}, {0x0E,
414 0x11,
415 0x1C},
416 /* Index 0x98~0x9B */
417 {0x14, 0x14, 0x1C}, {0x16, 0x14, 0x1C}, {0x18, 0x14, 0x1C}, {0x1A,
418 0x14,
419 0x1C},
420 /* Index 0x9C~0x9F */
421 {0x1C, 0x14, 0x1C}, {0x1C, 0x14, 0x1A}, {0x1C, 0x14, 0x18}, {0x1C,
422 0x14,
423 0x16},
424 /* Index 0xA0~0xA3 */
425 {0x1C, 0x14, 0x14}, {0x1C, 0x16, 0x14}, {0x1C, 0x18, 0x14}, {0x1C,
426 0x1A,
427 0x14},
428 /* Index 0xA4~0xA7 */
429 {0x1C, 0x1C, 0x14}, {0x1A, 0x1C, 0x14}, {0x18, 0x1C, 0x14}, {0x16,
430 0x1C,
431 0x14},
432 /* Index 0xA8~0xAB */
433 {0x14, 0x1C, 0x14}, {0x14, 0x1C, 0x16}, {0x14, 0x1C, 0x18}, {0x14,
434 0x1C,
435 0x1A},
436 /* Index 0xAC~0xAF */
437 {0x14, 0x1C, 0x1C}, {0x14, 0x1A, 0x1C}, {0x14, 0x18, 0x1C}, {0x14,
438 0x16,
439 0x1C},
440 /* Index 0xB0~0xB3 */
441 {0x00, 0x00, 0x10}, {0x04, 0x00, 0x10}, {0x08, 0x00, 0x10}, {0x0C,
442 0x00,
443 0x10},
444 /* Index 0xB4~0xB7 */
445 {0x10, 0x00, 0x10}, {0x10, 0x00, 0x0C}, {0x10, 0x00, 0x08}, {0x10,
446 0x00,
447 0x04},
448 /* Index 0xB8~0xBB */
449 {0x10, 0x00, 0x00}, {0x10, 0x04, 0x00}, {0x10, 0x08, 0x00}, {0x10,
450 0x0C,
451 0x00},
452 /* Index 0xBC~0xBF */
453 {0x10, 0x10, 0x00}, {0x0C, 0x10, 0x00}, {0x08, 0x10, 0x00}, {0x04,
454 0x10,
455 0x00},
456 /* Index 0xC0~0xC3 */
457 {0x00, 0x10, 0x00}, {0x00, 0x10, 0x04}, {0x00, 0x10, 0x08}, {0x00,
458 0x10,
459 0x0C},
460 /* Index 0xC4~0xC7 */
461 {0x00, 0x10, 0x10}, {0x00, 0x0C, 0x10}, {0x00, 0x08, 0x10}, {0x00,
462 0x04,
463 0x10},
464 /* Index 0xC8~0xCB */
465 {0x08, 0x08, 0x10}, {0x0A, 0x08, 0x10}, {0x0C, 0x08, 0x10}, {0x0E,
466 0x08,
467 0x10},
468 /* Index 0xCC~0xCF */
469 {0x10, 0x08, 0x10}, {0x10, 0x08, 0x0E}, {0x10, 0x08, 0x0C}, {0x10,
470 0x08,
471 0x0A},
472 /* Index 0xD0~0xD3 */
473 {0x10, 0x08, 0x08}, {0x10, 0x0A, 0x08}, {0x10, 0x0C, 0x08}, {0x10,
474 0x0E,
475 0x08},
476 /* Index 0xD4~0xD7 */
477 {0x10, 0x10, 0x08}, {0x0E, 0x10, 0x08}, {0x0C, 0x10, 0x08}, {0x0A,
478 0x10,
479 0x08},
480 /* Index 0xD8~0xDB */
481 {0x08, 0x10, 0x08}, {0x08, 0x10, 0x0A}, {0x08, 0x10, 0x0C}, {0x08,
482 0x10,
483 0x0E},
484 /* Index 0xDC~0xDF */
485 {0x08, 0x10, 0x10}, {0x08, 0x0E, 0x10}, {0x08, 0x0C, 0x10}, {0x08,
486 0x0A,
487 0x10},
488 /* Index 0xE0~0xE3 */
489 {0x0B, 0x0B, 0x10}, {0x0C, 0x0B, 0x10}, {0x0D, 0x0B, 0x10}, {0x0F,
490 0x0B,
491 0x10},
492 /* Index 0xE4~0xE7 */
493 {0x10, 0x0B, 0x10}, {0x10, 0x0B, 0x0F}, {0x10, 0x0B, 0x0D}, {0x10,
494 0x0B,
495 0x0C},
496 /* Index 0xE8~0xEB */
497 {0x10, 0x0B, 0x0B}, {0x10, 0x0C, 0x0B}, {0x10, 0x0D, 0x0B}, {0x10,
498 0x0F,
499 0x0B},
500 /* Index 0xEC~0xEF */
501 {0x10, 0x10, 0x0B}, {0x0F, 0x10, 0x0B}, {0x0D, 0x10, 0x0B}, {0x0C,
502 0x10,
503 0x0B},
504 /* Index 0xF0~0xF3 */
505 {0x0B, 0x10, 0x0B}, {0x0B, 0x10, 0x0C}, {0x0B, 0x10, 0x0D}, {0x0B,
506 0x10,
507 0x0F},
508 /* Index 0xF4~0xF7 */
509 {0x0B, 0x10, 0x10}, {0x0B, 0x0F, 0x10}, {0x0B, 0x0D, 0x10}, {0x0B,
510 0x0C,
511 0x10},
512 /* Index 0xF8~0xFB */
513 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
514 0x00,
515 0x00},
516 /* Index 0xFC~0xFF */
517 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
518 0x00,
519 0x00}
520 };
521
522 static void set_crt_output_path(int set_iga);
523 static void dvi_patch_skew_dvp0(void);
524 static void dvi_patch_skew_dvp1(void);
525 static void dvi_patch_skew_dvp_low(void);
526 static void set_dvi_output_path(int set_iga, int output_interface);
527 static void set_lcd_output_path(int set_iga, int output_interface);
528 static void load_fix_bit_crtc_reg(void);
529 static void init_gfx_chip_info(struct pci_dev *pdev,
530 const struct pci_device_id *pdi);
531 static void init_tmds_chip_info(void);
532 static void init_lvds_chip_info(void);
533 static void device_screen_off(void);
534 static void device_screen_on(void);
535 static void set_display_channel(void);
536 static void device_off(void);
537 static void device_on(void);
538 static void enable_second_display_channel(void);
539 static void disable_second_display_channel(void);
540
541 void viafb_write_reg(u8 index, u16 io_port, u8 data)
542 {
543 outb(index, io_port);
544 outb(data, io_port + 1);
545 /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, data); */
546 }
547 u8 viafb_read_reg(int io_port, u8 index)
548 {
549 outb(index, io_port);
550 return inb(io_port + 1);
551 }
552
553 void viafb_lock_crt(void)
554 {
555 viafb_write_reg_mask(CR11, VIACR, BIT7, BIT7);
556 }
557
558 void viafb_unlock_crt(void)
559 {
560 viafb_write_reg_mask(CR11, VIACR, 0, BIT7);
561 viafb_write_reg_mask(CR47, VIACR, 0, BIT0);
562 }
563
564 void viafb_write_reg_mask(u8 index, int io_port, u8 data, u8 mask)
565 {
566 u8 tmp;
567
568 outb(index, io_port);
569 tmp = inb(io_port + 1);
570 outb((data & mask) | (tmp & (~mask)), io_port + 1);
571 /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, tmp); */
572 }
573
574 void write_dac_reg(u8 index, u8 r, u8 g, u8 b)
575 {
576 outb(index, LUT_INDEX_WRITE);
577 outb(r, LUT_DATA);
578 outb(g, LUT_DATA);
579 outb(b, LUT_DATA);
580 }
581
582 /*Set IGA path for each device*/
583 void viafb_set_iga_path(void)
584 {
585
586 if (viafb_SAMM_ON == 1) {
587 if (viafb_CRT_ON) {
588 if (viafb_primary_dev == CRT_Device)
589 viaparinfo->crt_setting_info->iga_path = IGA1;
590 else
591 viaparinfo->crt_setting_info->iga_path = IGA2;
592 }
593
594 if (viafb_DVI_ON) {
595 if (viafb_primary_dev == DVI_Device)
596 viaparinfo->tmds_setting_info->iga_path = IGA1;
597 else
598 viaparinfo->tmds_setting_info->iga_path = IGA2;
599 }
600
601 if (viafb_LCD_ON) {
602 if (viafb_primary_dev == LCD_Device) {
603 if (viafb_dual_fb &&
604 (viaparinfo->chip_info->gfx_chip_name ==
605 UNICHROME_CLE266)) {
606 viaparinfo->
607 lvds_setting_info->iga_path = IGA2;
608 viaparinfo->
609 crt_setting_info->iga_path = IGA1;
610 viaparinfo->
611 tmds_setting_info->iga_path = IGA1;
612 } else
613 viaparinfo->
614 lvds_setting_info->iga_path = IGA1;
615 } else {
616 viaparinfo->lvds_setting_info->iga_path = IGA2;
617 }
618 }
619 if (viafb_LCD2_ON) {
620 if (LCD2_Device == viafb_primary_dev)
621 viaparinfo->lvds_setting_info2->iga_path = IGA1;
622 else
623 viaparinfo->lvds_setting_info2->iga_path = IGA2;
624 }
625 } else {
626 viafb_SAMM_ON = 0;
627
628 if (viafb_CRT_ON && viafb_LCD_ON) {
629 viaparinfo->crt_setting_info->iga_path = IGA1;
630 viaparinfo->lvds_setting_info->iga_path = IGA2;
631 } else if (viafb_CRT_ON && viafb_DVI_ON) {
632 viaparinfo->crt_setting_info->iga_path = IGA1;
633 viaparinfo->tmds_setting_info->iga_path = IGA2;
634 } else if (viafb_LCD_ON && viafb_DVI_ON) {
635 viaparinfo->tmds_setting_info->iga_path = IGA1;
636 viaparinfo->lvds_setting_info->iga_path = IGA2;
637 } else if (viafb_LCD_ON && viafb_LCD2_ON) {
638 viaparinfo->lvds_setting_info->iga_path = IGA2;
639 viaparinfo->lvds_setting_info2->iga_path = IGA2;
640 } else if (viafb_CRT_ON) {
641 viaparinfo->crt_setting_info->iga_path = IGA1;
642 } else if (viafb_LCD_ON) {
643 viaparinfo->lvds_setting_info->iga_path = IGA2;
644 } else if (viafb_DVI_ON) {
645 viaparinfo->tmds_setting_info->iga_path = IGA1;
646 }
647 }
648 }
649
650 void viafb_set_primary_address(u32 addr)
651 {
652 DEBUG_MSG(KERN_DEBUG "viafb_set_primary_address(0x%08X)\n", addr);
653 viafb_write_reg(CR0D, VIACR, addr & 0xFF);
654 viafb_write_reg(CR0C, VIACR, (addr >> 8) & 0xFF);
655 viafb_write_reg(CR34, VIACR, (addr >> 16) & 0xFF);
656 viafb_write_reg_mask(CR48, VIACR, (addr >> 24) & 0x1F, 0x1F);
657 }
658
659 void viafb_set_secondary_address(u32 addr)
660 {
661 DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_address(0x%08X)\n", addr);
662 /* secondary display supports only quadword aligned memory */
663 viafb_write_reg_mask(CR62, VIACR, (addr >> 2) & 0xFE, 0xFE);
664 viafb_write_reg(CR63, VIACR, (addr >> 10) & 0xFF);
665 viafb_write_reg(CR64, VIACR, (addr >> 18) & 0xFF);
666 viafb_write_reg_mask(CRA3, VIACR, (addr >> 26) & 0x07, 0x07);
667 }
668
669 void viafb_set_primary_pitch(u32 pitch)
670 {
671 DEBUG_MSG(KERN_DEBUG "viafb_set_primary_pitch(0x%08X)\n", pitch);
672 /* spec does not say that first adapter skips 3 bits but old
673 * code did it and seems to be reasonable in analogy to 2nd adapter
674 */
675 pitch = pitch >> 3;
676 viafb_write_reg(0x13, VIACR, pitch & 0xFF);
677 viafb_write_reg_mask(0x35, VIACR, (pitch >> (8 - 5)) & 0xE0, 0xE0);
678 }
679
680 void viafb_set_secondary_pitch(u32 pitch)
681 {
682 DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_pitch(0x%08X)\n", pitch);
683 pitch = pitch >> 3;
684 viafb_write_reg(0x66, VIACR, pitch & 0xFF);
685 viafb_write_reg_mask(0x67, VIACR, (pitch >> 8) & 0x03, 0x03);
686 viafb_write_reg_mask(0x71, VIACR, (pitch >> (10 - 7)) & 0x80, 0x80);
687 }
688
689 void viafb_set_primary_color_depth(u8 depth)
690 {
691 u8 value;
692
693 DEBUG_MSG(KERN_DEBUG "viafb_set_primary_color_depth(%d)\n", depth);
694 switch (depth) {
695 case 8:
696 value = 0x00;
697 break;
698 case 15:
699 value = 0x04;
700 break;
701 case 16:
702 value = 0x14;
703 break;
704 case 24:
705 value = 0x0C;
706 break;
707 case 30:
708 value = 0x08;
709 break;
710 default:
711 printk(KERN_WARNING "viafb_set_primary_color_depth: "
712 "Unsupported depth: %d\n", depth);
713 return;
714 }
715
716 viafb_write_reg_mask(0x15, VIASR, value, 0x1C);
717 }
718
719 void viafb_set_secondary_color_depth(u8 depth)
720 {
721 u8 value;
722
723 DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_color_depth(%d)\n", depth);
724 switch (depth) {
725 case 8:
726 value = 0x00;
727 break;
728 case 16:
729 value = 0x40;
730 break;
731 case 24:
732 value = 0xC0;
733 break;
734 case 30:
735 value = 0x80;
736 break;
737 default:
738 printk(KERN_WARNING "viafb_set_secondary_color_depth: "
739 "Unsupported depth: %d\n", depth);
740 return;
741 }
742
743 viafb_write_reg_mask(0x67, VIACR, value, 0xC0);
744 }
745
746 static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
747 {
748 outb(0xFF, 0x3C6); /* bit mask of palette */
749 outb(index, 0x3C8);
750 outb(red, 0x3C9);
751 outb(green, 0x3C9);
752 outb(blue, 0x3C9);
753 }
754
755 void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue)
756 {
757 viafb_write_reg_mask(0x1A, VIASR, 0x00, 0x01);
758 set_color_register(index, red, green, blue);
759 }
760
761 void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue)
762 {
763 viafb_write_reg_mask(0x1A, VIASR, 0x01, 0x01);
764 set_color_register(index, red, green, blue);
765 }
766
767 void viafb_set_output_path(int device, int set_iga, int output_interface)
768 {
769 switch (device) {
770 case DEVICE_CRT:
771 set_crt_output_path(set_iga);
772 break;
773 case DEVICE_DVI:
774 set_dvi_output_path(set_iga, output_interface);
775 break;
776 case DEVICE_LCD:
777 set_lcd_output_path(set_iga, output_interface);
778 break;
779 }
780 }
781
782 static void set_crt_output_path(int set_iga)
783 {
784 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
785
786 switch (set_iga) {
787 case IGA1:
788 viafb_write_reg_mask(SR16, VIASR, 0x00, BIT6);
789 break;
790 case IGA2:
791 viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
792 viafb_write_reg_mask(SR16, VIASR, 0x40, BIT6);
793 break;
794 }
795 }
796
797 static void dvi_patch_skew_dvp0(void)
798 {
799 /* Reset data driving first: */
800 viafb_write_reg_mask(SR1B, VIASR, 0, BIT1);
801 viafb_write_reg_mask(SR2A, VIASR, 0, BIT4);
802
803 switch (viaparinfo->chip_info->gfx_chip_name) {
804 case UNICHROME_P4M890:
805 {
806 if ((viaparinfo->tmds_setting_info->h_active == 1600) &&
807 (viaparinfo->tmds_setting_info->v_active ==
808 1200))
809 viafb_write_reg_mask(CR96, VIACR, 0x03,
810 BIT0 + BIT1 + BIT2);
811 else
812 viafb_write_reg_mask(CR96, VIACR, 0x07,
813 BIT0 + BIT1 + BIT2);
814 break;
815 }
816
817 case UNICHROME_P4M900:
818 {
819 viafb_write_reg_mask(CR96, VIACR, 0x07,
820 BIT0 + BIT1 + BIT2 + BIT3);
821 viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1);
822 viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4);
823 break;
824 }
825
826 default:
827 {
828 break;
829 }
830 }
831 }
832
833 static void dvi_patch_skew_dvp1(void)
834 {
835 switch (viaparinfo->chip_info->gfx_chip_name) {
836 case UNICHROME_CX700:
837 {
838 break;
839 }
840
841 default:
842 {
843 break;
844 }
845 }
846 }
847
848 static void dvi_patch_skew_dvp_low(void)
849 {
850 switch (viaparinfo->chip_info->gfx_chip_name) {
851 case UNICHROME_K8M890:
852 {
853 viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1);
854 break;
855 }
856
857 case UNICHROME_P4M900:
858 {
859 viafb_write_reg_mask(CR99, VIACR, 0x08,
860 BIT0 + BIT1 + BIT2 + BIT3);
861 break;
862 }
863
864 case UNICHROME_P4M890:
865 {
866 viafb_write_reg_mask(CR99, VIACR, 0x0F,
867 BIT0 + BIT1 + BIT2 + BIT3);
868 break;
869 }
870
871 default:
872 {
873 break;
874 }
875 }
876 }
877
878 static void set_dvi_output_path(int set_iga, int output_interface)
879 {
880 switch (output_interface) {
881 case INTERFACE_DVP0:
882 viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0);
883
884 if (set_iga == IGA1) {
885 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
886 viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 +
887 BIT5 + BIT7);
888 } else {
889 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
890 viafb_write_reg_mask(CR6C, VIACR, 0xA1, BIT0 +
891 BIT5 + BIT7);
892 }
893
894 viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT7 + BIT6);
895
896 dvi_patch_skew_dvp0();
897 break;
898
899 case INTERFACE_DVP1:
900 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
901 if (set_iga == IGA1)
902 viafb_write_reg_mask(CR93, VIACR, 0x21,
903 BIT0 + BIT5 + BIT7);
904 else
905 viafb_write_reg_mask(CR93, VIACR, 0xA1,
906 BIT0 + BIT5 + BIT7);
907 } else {
908 if (set_iga == IGA1)
909 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
910 else
911 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
912 }
913
914 viafb_write_reg_mask(SR1E, VIASR, 0x30, BIT4 + BIT5);
915 dvi_patch_skew_dvp1();
916 break;
917 case INTERFACE_DFP_HIGH:
918 if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) {
919 if (set_iga == IGA1) {
920 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
921 viafb_write_reg_mask(CR97, VIACR, 0x03,
922 BIT0 + BIT1 + BIT4);
923 } else {
924 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
925 viafb_write_reg_mask(CR97, VIACR, 0x13,
926 BIT0 + BIT1 + BIT4);
927 }
928 }
929 viafb_write_reg_mask(SR2A, VIASR, 0x0C, BIT2 + BIT3);
930 break;
931
932 case INTERFACE_DFP_LOW:
933 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
934 break;
935
936 if (set_iga == IGA1) {
937 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
938 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
939 } else {
940 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
941 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
942 }
943
944 viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
945 dvi_patch_skew_dvp_low();
946 break;
947
948 case INTERFACE_TMDS:
949 if (set_iga == IGA1)
950 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
951 else
952 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
953 break;
954 }
955
956 if (set_iga == IGA2) {
957 enable_second_display_channel();
958 /* Disable LCD Scaling */
959 viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0);
960 }
961 }
962
963 static void set_lcd_output_path(int set_iga, int output_interface)
964 {
965 DEBUG_MSG(KERN_INFO
966 "set_lcd_output_path, iga:%d,out_interface:%d\n",
967 set_iga, output_interface);
968 switch (set_iga) {
969 case IGA1:
970 viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
971 viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
972
973 disable_second_display_channel();
974 break;
975
976 case IGA2:
977 viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
978 viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
979
980 enable_second_display_channel();
981 break;
982 }
983
984 switch (output_interface) {
985 case INTERFACE_DVP0:
986 if (set_iga == IGA1) {
987 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
988 } else {
989 viafb_write_reg(CR91, VIACR, 0x00);
990 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
991 }
992 break;
993
994 case INTERFACE_DVP1:
995 if (set_iga == IGA1)
996 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
997 else {
998 viafb_write_reg(CR91, VIACR, 0x00);
999 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
1000 }
1001 break;
1002
1003 case INTERFACE_DFP_HIGH:
1004 if (set_iga == IGA1)
1005 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
1006 else {
1007 viafb_write_reg(CR91, VIACR, 0x00);
1008 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
1009 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
1010 }
1011 break;
1012
1013 case INTERFACE_DFP_LOW:
1014 if (set_iga == IGA1)
1015 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
1016 else {
1017 viafb_write_reg(CR91, VIACR, 0x00);
1018 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
1019 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
1020 }
1021
1022 break;
1023
1024 case INTERFACE_DFP:
1025 if ((UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)
1026 || (UNICHROME_P4M890 ==
1027 viaparinfo->chip_info->gfx_chip_name))
1028 viafb_write_reg_mask(CR97, VIACR, 0x84,
1029 BIT7 + BIT2 + BIT1 + BIT0);
1030 if (set_iga == IGA1) {
1031 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
1032 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
1033 } else {
1034 viafb_write_reg(CR91, VIACR, 0x00);
1035 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
1036 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
1037 }
1038 break;
1039
1040 case INTERFACE_LVDS0:
1041 case INTERFACE_LVDS0LVDS1:
1042 if (set_iga == IGA1)
1043 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
1044 else
1045 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
1046
1047 break;
1048
1049 case INTERFACE_LVDS1:
1050 if (set_iga == IGA1)
1051 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
1052 else
1053 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
1054 break;
1055 }
1056 }
1057
1058 static void load_fix_bit_crtc_reg(void)
1059 {
1060 /* always set to 1 */
1061 viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
1062 /* line compare should set all bits = 1 (extend modes) */
1063 viafb_write_reg(CR18, VIACR, 0xff);
1064 /* line compare should set all bits = 1 (extend modes) */
1065 viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
1066 /* line compare should set all bits = 1 (extend modes) */
1067 viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
1068 /* line compare should set all bits = 1 (extend modes) */
1069 viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
1070 /* line compare should set all bits = 1 (extend modes) */
1071 viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
1072 /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
1073 /* extend mode always set to e3h */
1074 viafb_write_reg(CR17, VIACR, 0xe3);
1075 /* extend mode always set to 0h */
1076 viafb_write_reg(CR08, VIACR, 0x00);
1077 /* extend mode always set to 0h */
1078 viafb_write_reg(CR14, VIACR, 0x00);
1079
1080 /* If K8M800, enable Prefetch Mode. */
1081 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
1082 || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890))
1083 viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3);
1084 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
1085 && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX))
1086 viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1);
1087
1088 }
1089
1090 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
1091 struct io_register *reg,
1092 int io_type)
1093 {
1094 int reg_mask;
1095 int bit_num = 0;
1096 int data;
1097 int i, j;
1098 int shift_next_reg;
1099 int start_index, end_index, cr_index;
1100 u16 get_bit;
1101
1102 for (i = 0; i < viafb_load_reg_num; i++) {
1103 reg_mask = 0;
1104 data = 0;
1105 start_index = reg[i].start_bit;
1106 end_index = reg[i].end_bit;
1107 cr_index = reg[i].io_addr;
1108
1109 shift_next_reg = bit_num;
1110 for (j = start_index; j <= end_index; j++) {
1111 /*if (bit_num==8) timing_value = timing_value >>8; */
1112 reg_mask = reg_mask | (BIT0 << j);
1113 get_bit = (timing_value & (BIT0 << bit_num));
1114 data =
1115 data | ((get_bit >> shift_next_reg) << start_index);
1116 bit_num++;
1117 }
1118 if (io_type == VIACR)
1119 viafb_write_reg_mask(cr_index, VIACR, data, reg_mask);
1120 else
1121 viafb_write_reg_mask(cr_index, VIASR, data, reg_mask);
1122 }
1123
1124 }
1125
1126 /* Write Registers */
1127 void viafb_write_regx(struct io_reg RegTable[], int ItemNum)
1128 {
1129 int i;
1130 unsigned char RegTemp;
1131
1132 /*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */
1133
1134 for (i = 0; i < ItemNum; i++) {
1135 outb(RegTable[i].index, RegTable[i].port);
1136 RegTemp = inb(RegTable[i].port + 1);
1137 RegTemp = (RegTemp & (~RegTable[i].mask)) | RegTable[i].value;
1138 outb(RegTemp, RegTable[i].port + 1);
1139 }
1140 }
1141
1142 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga)
1143 {
1144 int reg_value;
1145 int viafb_load_reg_num;
1146 struct io_register *reg = NULL;
1147
1148 switch (set_iga) {
1149 case IGA1:
1150 reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1151 viafb_load_reg_num = fetch_count_reg.
1152 iga1_fetch_count_reg.reg_num;
1153 reg = fetch_count_reg.iga1_fetch_count_reg.reg;
1154 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1155 break;
1156 case IGA2:
1157 reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1158 viafb_load_reg_num = fetch_count_reg.
1159 iga2_fetch_count_reg.reg_num;
1160 reg = fetch_count_reg.iga2_fetch_count_reg.reg;
1161 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1162 break;
1163 }
1164
1165 }
1166
1167 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
1168 {
1169 int reg_value;
1170 int viafb_load_reg_num;
1171 struct io_register *reg = NULL;
1172 int iga1_fifo_max_depth = 0, iga1_fifo_threshold =
1173 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0;
1174 int iga2_fifo_max_depth = 0, iga2_fifo_threshold =
1175 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0;
1176
1177 if (set_iga == IGA1) {
1178 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1179 iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH;
1180 iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD;
1181 iga1_fifo_high_threshold =
1182 K800_IGA1_FIFO_HIGH_THRESHOLD;
1183 /* If resolution > 1280x1024, expire length = 64, else
1184 expire length = 128 */
1185 if ((hor_active > 1280) && (ver_active > 1024))
1186 iga1_display_queue_expire_num = 16;
1187 else
1188 iga1_display_queue_expire_num =
1189 K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1190
1191 }
1192
1193 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1194 iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH;
1195 iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD;
1196 iga1_fifo_high_threshold =
1197 P880_IGA1_FIFO_HIGH_THRESHOLD;
1198 iga1_display_queue_expire_num =
1199 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1200
1201 /* If resolution > 1280x1024, expire length = 64, else
1202 expire length = 128 */
1203 if ((hor_active > 1280) && (ver_active > 1024))
1204 iga1_display_queue_expire_num = 16;
1205 else
1206 iga1_display_queue_expire_num =
1207 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1208 }
1209
1210 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1211 iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH;
1212 iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD;
1213 iga1_fifo_high_threshold =
1214 CN700_IGA1_FIFO_HIGH_THRESHOLD;
1215
1216 /* If resolution > 1280x1024, expire length = 64,
1217 else expire length = 128 */
1218 if ((hor_active > 1280) && (ver_active > 1024))
1219 iga1_display_queue_expire_num = 16;
1220 else
1221 iga1_display_queue_expire_num =
1222 CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1223 }
1224
1225 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1226 iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH;
1227 iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD;
1228 iga1_fifo_high_threshold =
1229 CX700_IGA1_FIFO_HIGH_THRESHOLD;
1230 iga1_display_queue_expire_num =
1231 CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1232 }
1233
1234 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1235 iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH;
1236 iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD;
1237 iga1_fifo_high_threshold =
1238 K8M890_IGA1_FIFO_HIGH_THRESHOLD;
1239 iga1_display_queue_expire_num =
1240 K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1241 }
1242
1243 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1244 iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH;
1245 iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD;
1246 iga1_fifo_high_threshold =
1247 P4M890_IGA1_FIFO_HIGH_THRESHOLD;
1248 iga1_display_queue_expire_num =
1249 P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1250 }
1251
1252 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1253 iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH;
1254 iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD;
1255 iga1_fifo_high_threshold =
1256 P4M900_IGA1_FIFO_HIGH_THRESHOLD;
1257 iga1_display_queue_expire_num =
1258 P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1259 }
1260
1261 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1262 iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH;
1263 iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD;
1264 iga1_fifo_high_threshold =
1265 VX800_IGA1_FIFO_HIGH_THRESHOLD;
1266 iga1_display_queue_expire_num =
1267 VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1268 }
1269
1270 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1271 iga1_fifo_max_depth = VX855_IGA1_FIFO_MAX_DEPTH;
1272 iga1_fifo_threshold = VX855_IGA1_FIFO_THRESHOLD;
1273 iga1_fifo_high_threshold =
1274 VX855_IGA1_FIFO_HIGH_THRESHOLD;
1275 iga1_display_queue_expire_num =
1276 VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1277 }
1278
1279 /* Set Display FIFO Depath Select */
1280 reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth);
1281 viafb_load_reg_num =
1282 display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num;
1283 reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg;
1284 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1285
1286 /* Set Display FIFO Threshold Select */
1287 reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold);
1288 viafb_load_reg_num =
1289 fifo_threshold_select_reg.
1290 iga1_fifo_threshold_select_reg.reg_num;
1291 reg =
1292 fifo_threshold_select_reg.
1293 iga1_fifo_threshold_select_reg.reg;
1294 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1295
1296 /* Set FIFO High Threshold Select */
1297 reg_value =
1298 IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold);
1299 viafb_load_reg_num =
1300 fifo_high_threshold_select_reg.
1301 iga1_fifo_high_threshold_select_reg.reg_num;
1302 reg =
1303 fifo_high_threshold_select_reg.
1304 iga1_fifo_high_threshold_select_reg.reg;
1305 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1306
1307 /* Set Display Queue Expire Num */
1308 reg_value =
1309 IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1310 (iga1_display_queue_expire_num);
1311 viafb_load_reg_num =
1312 display_queue_expire_num_reg.
1313 iga1_display_queue_expire_num_reg.reg_num;
1314 reg =
1315 display_queue_expire_num_reg.
1316 iga1_display_queue_expire_num_reg.reg;
1317 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1318
1319 } else {
1320 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1321 iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH;
1322 iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD;
1323 iga2_fifo_high_threshold =
1324 K800_IGA2_FIFO_HIGH_THRESHOLD;
1325
1326 /* If resolution > 1280x1024, expire length = 64,
1327 else expire length = 128 */
1328 if ((hor_active > 1280) && (ver_active > 1024))
1329 iga2_display_queue_expire_num = 16;
1330 else
1331 iga2_display_queue_expire_num =
1332 K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1333 }
1334
1335 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1336 iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH;
1337 iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD;
1338 iga2_fifo_high_threshold =
1339 P880_IGA2_FIFO_HIGH_THRESHOLD;
1340
1341 /* If resolution > 1280x1024, expire length = 64,
1342 else expire length = 128 */
1343 if ((hor_active > 1280) && (ver_active > 1024))
1344 iga2_display_queue_expire_num = 16;
1345 else
1346 iga2_display_queue_expire_num =
1347 P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1348 }
1349
1350 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1351 iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH;
1352 iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD;
1353 iga2_fifo_high_threshold =
1354 CN700_IGA2_FIFO_HIGH_THRESHOLD;
1355
1356 /* If resolution > 1280x1024, expire length = 64,
1357 else expire length = 128 */
1358 if ((hor_active > 1280) && (ver_active > 1024))
1359 iga2_display_queue_expire_num = 16;
1360 else
1361 iga2_display_queue_expire_num =
1362 CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1363 }
1364
1365 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1366 iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH;
1367 iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD;
1368 iga2_fifo_high_threshold =
1369 CX700_IGA2_FIFO_HIGH_THRESHOLD;
1370 iga2_display_queue_expire_num =
1371 CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1372 }
1373
1374 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1375 iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH;
1376 iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD;
1377 iga2_fifo_high_threshold =
1378 K8M890_IGA2_FIFO_HIGH_THRESHOLD;
1379 iga2_display_queue_expire_num =
1380 K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1381 }
1382
1383 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1384 iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH;
1385 iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD;
1386 iga2_fifo_high_threshold =
1387 P4M890_IGA2_FIFO_HIGH_THRESHOLD;
1388 iga2_display_queue_expire_num =
1389 P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1390 }
1391
1392 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1393 iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH;
1394 iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD;
1395 iga2_fifo_high_threshold =
1396 P4M900_IGA2_FIFO_HIGH_THRESHOLD;
1397 iga2_display_queue_expire_num =
1398 P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1399 }
1400
1401 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1402 iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH;
1403 iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD;
1404 iga2_fifo_high_threshold =
1405 VX800_IGA2_FIFO_HIGH_THRESHOLD;
1406 iga2_display_queue_expire_num =
1407 VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1408 }
1409
1410 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1411 iga2_fifo_max_depth = VX855_IGA2_FIFO_MAX_DEPTH;
1412 iga2_fifo_threshold = VX855_IGA2_FIFO_THRESHOLD;
1413 iga2_fifo_high_threshold =
1414 VX855_IGA2_FIFO_HIGH_THRESHOLD;
1415 iga2_display_queue_expire_num =
1416 VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1417 }
1418
1419 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1420 /* Set Display FIFO Depath Select */
1421 reg_value =
1422 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth)
1423 - 1;
1424 /* Patch LCD in IGA2 case */
1425 viafb_load_reg_num =
1426 display_fifo_depth_reg.
1427 iga2_fifo_depth_select_reg.reg_num;
1428 reg =
1429 display_fifo_depth_reg.
1430 iga2_fifo_depth_select_reg.reg;
1431 viafb_load_reg(reg_value,
1432 viafb_load_reg_num, reg, VIACR);
1433 } else {
1434
1435 /* Set Display FIFO Depath Select */
1436 reg_value =
1437 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth);
1438 viafb_load_reg_num =
1439 display_fifo_depth_reg.
1440 iga2_fifo_depth_select_reg.reg_num;
1441 reg =
1442 display_fifo_depth_reg.
1443 iga2_fifo_depth_select_reg.reg;
1444 viafb_load_reg(reg_value,
1445 viafb_load_reg_num, reg, VIACR);
1446 }
1447
1448 /* Set Display FIFO Threshold Select */
1449 reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold);
1450 viafb_load_reg_num =
1451 fifo_threshold_select_reg.
1452 iga2_fifo_threshold_select_reg.reg_num;
1453 reg =
1454 fifo_threshold_select_reg.
1455 iga2_fifo_threshold_select_reg.reg;
1456 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1457
1458 /* Set FIFO High Threshold Select */
1459 reg_value =
1460 IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold);
1461 viafb_load_reg_num =
1462 fifo_high_threshold_select_reg.
1463 iga2_fifo_high_threshold_select_reg.reg_num;
1464 reg =
1465 fifo_high_threshold_select_reg.
1466 iga2_fifo_high_threshold_select_reg.reg;
1467 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1468
1469 /* Set Display Queue Expire Num */
1470 reg_value =
1471 IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1472 (iga2_display_queue_expire_num);
1473 viafb_load_reg_num =
1474 display_queue_expire_num_reg.
1475 iga2_display_queue_expire_num_reg.reg_num;
1476 reg =
1477 display_queue_expire_num_reg.
1478 iga2_display_queue_expire_num_reg.reg;
1479 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1480
1481 }
1482
1483 }
1484
1485 u32 viafb_get_clk_value(int clk)
1486 {
1487 int i;
1488
1489 for (i = 0; i < NUM_TOTAL_PLL_TABLE; i++) {
1490 if (clk == pll_value[i].clk) {
1491 switch (viaparinfo->chip_info->gfx_chip_name) {
1492 case UNICHROME_CLE266:
1493 case UNICHROME_K400:
1494 return pll_value[i].cle266_pll;
1495
1496 case UNICHROME_K800:
1497 case UNICHROME_PM800:
1498 case UNICHROME_CN700:
1499 return pll_value[i].k800_pll;
1500
1501 case UNICHROME_CX700:
1502 case UNICHROME_K8M890:
1503 case UNICHROME_P4M890:
1504 case UNICHROME_P4M900:
1505 case UNICHROME_VX800:
1506 return pll_value[i].cx700_pll;
1507 case UNICHROME_VX855:
1508 return pll_value[i].vx855_pll;
1509 }
1510 }
1511 }
1512
1513 DEBUG_MSG(KERN_INFO "Can't find match PLL value\n\n");
1514 return 0;
1515 }
1516
1517 /* Set VCLK*/
1518 void viafb_set_vclock(u32 CLK, int set_iga)
1519 {
1520 unsigned char RegTemp;
1521
1522 /* H.W. Reset : ON */
1523 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1524
1525 if (set_iga == IGA1) {
1526 /* Change D,N FOR VCLK */
1527 switch (viaparinfo->chip_info->gfx_chip_name) {
1528 case UNICHROME_CLE266:
1529 case UNICHROME_K400:
1530 viafb_write_reg(SR46, VIASR, CLK / 0x100);
1531 viafb_write_reg(SR47, VIASR, CLK % 0x100);
1532 break;
1533
1534 case UNICHROME_K800:
1535 case UNICHROME_PM800:
1536 case UNICHROME_CN700:
1537 case UNICHROME_CX700:
1538 case UNICHROME_K8M890:
1539 case UNICHROME_P4M890:
1540 case UNICHROME_P4M900:
1541 case UNICHROME_VX800:
1542 case UNICHROME_VX855:
1543 viafb_write_reg(SR44, VIASR, CLK / 0x10000);
1544 DEBUG_MSG(KERN_INFO "\nSR44=%x", CLK / 0x10000);
1545 viafb_write_reg(SR45, VIASR, (CLK & 0xFFFF) / 0x100);
1546 DEBUG_MSG(KERN_INFO "\nSR45=%x",
1547 (CLK & 0xFFFF) / 0x100);
1548 viafb_write_reg(SR46, VIASR, CLK % 0x100);
1549 DEBUG_MSG(KERN_INFO "\nSR46=%x", CLK % 0x100);
1550 break;
1551 }
1552 }
1553
1554 if (set_iga == IGA2) {
1555 /* Change D,N FOR LCK */
1556 switch (viaparinfo->chip_info->gfx_chip_name) {
1557 case UNICHROME_CLE266:
1558 case UNICHROME_K400:
1559 viafb_write_reg(SR44, VIASR, CLK / 0x100);
1560 viafb_write_reg(SR45, VIASR, CLK % 0x100);
1561 break;
1562
1563 case UNICHROME_K800:
1564 case UNICHROME_PM800:
1565 case UNICHROME_CN700:
1566 case UNICHROME_CX700:
1567 case UNICHROME_K8M890:
1568 case UNICHROME_P4M890:
1569 case UNICHROME_P4M900:
1570 case UNICHROME_VX800:
1571 case UNICHROME_VX855:
1572 viafb_write_reg(SR4A, VIASR, CLK / 0x10000);
1573 viafb_write_reg(SR4B, VIASR, (CLK & 0xFFFF) / 0x100);
1574 viafb_write_reg(SR4C, VIASR, CLK % 0x100);
1575 break;
1576 }
1577 }
1578
1579 /* H.W. Reset : OFF */
1580 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1581
1582 /* Reset PLL */
1583 if (set_iga == IGA1) {
1584 viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
1585 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
1586 }
1587
1588 if (set_iga == IGA2) {
1589 viafb_write_reg_mask(SR40, VIASR, 0x01, BIT0);
1590 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT0);
1591 }
1592
1593 /* Fire! */
1594 RegTemp = inb(VIARMisc);
1595 outb(RegTemp | (BIT2 + BIT3), VIAWMisc);
1596 }
1597
1598 void viafb_load_crtc_timing(struct display_timing device_timing,
1599 int set_iga)
1600 {
1601 int i;
1602 int viafb_load_reg_num = 0;
1603 int reg_value = 0;
1604 struct io_register *reg = NULL;
1605
1606 viafb_unlock_crt();
1607
1608 for (i = 0; i < 12; i++) {
1609 if (set_iga == IGA1) {
1610 switch (i) {
1611 case H_TOTAL_INDEX:
1612 reg_value =
1613 IGA1_HOR_TOTAL_FORMULA(device_timing.
1614 hor_total);
1615 viafb_load_reg_num =
1616 iga1_crtc_reg.hor_total.reg_num;
1617 reg = iga1_crtc_reg.hor_total.reg;
1618 break;
1619 case H_ADDR_INDEX:
1620 reg_value =
1621 IGA1_HOR_ADDR_FORMULA(device_timing.
1622 hor_addr);
1623 viafb_load_reg_num =
1624 iga1_crtc_reg.hor_addr.reg_num;
1625 reg = iga1_crtc_reg.hor_addr.reg;
1626 break;
1627 case H_BLANK_START_INDEX:
1628 reg_value =
1629 IGA1_HOR_BLANK_START_FORMULA
1630 (device_timing.hor_blank_start);
1631 viafb_load_reg_num =
1632 iga1_crtc_reg.hor_blank_start.reg_num;
1633 reg = iga1_crtc_reg.hor_blank_start.reg;
1634 break;
1635 case H_BLANK_END_INDEX:
1636 reg_value =
1637 IGA1_HOR_BLANK_END_FORMULA
1638 (device_timing.hor_blank_start,
1639 device_timing.hor_blank_end);
1640 viafb_load_reg_num =
1641 iga1_crtc_reg.hor_blank_end.reg_num;
1642 reg = iga1_crtc_reg.hor_blank_end.reg;
1643 break;
1644 case H_SYNC_START_INDEX:
1645 reg_value =
1646 IGA1_HOR_SYNC_START_FORMULA
1647 (device_timing.hor_sync_start);
1648 viafb_load_reg_num =
1649 iga1_crtc_reg.hor_sync_start.reg_num;
1650 reg = iga1_crtc_reg.hor_sync_start.reg;
1651 break;
1652 case H_SYNC_END_INDEX:
1653 reg_value =
1654 IGA1_HOR_SYNC_END_FORMULA
1655 (device_timing.hor_sync_start,
1656 device_timing.hor_sync_end);
1657 viafb_load_reg_num =
1658 iga1_crtc_reg.hor_sync_end.reg_num;
1659 reg = iga1_crtc_reg.hor_sync_end.reg;
1660 break;
1661 case V_TOTAL_INDEX:
1662 reg_value =
1663 IGA1_VER_TOTAL_FORMULA(device_timing.
1664 ver_total);
1665 viafb_load_reg_num =
1666 iga1_crtc_reg.ver_total.reg_num;
1667 reg = iga1_crtc_reg.ver_total.reg;
1668 break;
1669 case V_ADDR_INDEX:
1670 reg_value =
1671 IGA1_VER_ADDR_FORMULA(device_timing.
1672 ver_addr);
1673 viafb_load_reg_num =
1674 iga1_crtc_reg.ver_addr.reg_num;
1675 reg = iga1_crtc_reg.ver_addr.reg;
1676 break;
1677 case V_BLANK_START_INDEX:
1678 reg_value =
1679 IGA1_VER_BLANK_START_FORMULA
1680 (device_timing.ver_blank_start);
1681 viafb_load_reg_num =
1682 iga1_crtc_reg.ver_blank_start.reg_num;
1683 reg = iga1_crtc_reg.ver_blank_start.reg;
1684 break;
1685 case V_BLANK_END_INDEX:
1686 reg_value =
1687 IGA1_VER_BLANK_END_FORMULA
1688 (device_timing.ver_blank_start,
1689 device_timing.ver_blank_end);
1690 viafb_load_reg_num =
1691 iga1_crtc_reg.ver_blank_end.reg_num;
1692 reg = iga1_crtc_reg.ver_blank_end.reg;
1693 break;
1694 case V_SYNC_START_INDEX:
1695 reg_value =
1696 IGA1_VER_SYNC_START_FORMULA
1697 (device_timing.ver_sync_start);
1698 viafb_load_reg_num =
1699 iga1_crtc_reg.ver_sync_start.reg_num;
1700 reg = iga1_crtc_reg.ver_sync_start.reg;
1701 break;
1702 case V_SYNC_END_INDEX:
1703 reg_value =
1704 IGA1_VER_SYNC_END_FORMULA
1705 (device_timing.ver_sync_start,
1706 device_timing.ver_sync_end);
1707 viafb_load_reg_num =
1708 iga1_crtc_reg.ver_sync_end.reg_num;
1709 reg = iga1_crtc_reg.ver_sync_end.reg;
1710 break;
1711
1712 }
1713 }
1714
1715 if (set_iga == IGA2) {
1716 switch (i) {
1717 case H_TOTAL_INDEX:
1718 reg_value =
1719 IGA2_HOR_TOTAL_FORMULA(device_timing.
1720 hor_total);
1721 viafb_load_reg_num =
1722 iga2_crtc_reg.hor_total.reg_num;
1723 reg = iga2_crtc_reg.hor_total.reg;
1724 break;
1725 case H_ADDR_INDEX:
1726 reg_value =
1727 IGA2_HOR_ADDR_FORMULA(device_timing.
1728 hor_addr);
1729 viafb_load_reg_num =
1730 iga2_crtc_reg.hor_addr.reg_num;
1731 reg = iga2_crtc_reg.hor_addr.reg;
1732 break;
1733 case H_BLANK_START_INDEX:
1734 reg_value =
1735 IGA2_HOR_BLANK_START_FORMULA
1736 (device_timing.hor_blank_start);
1737 viafb_load_reg_num =
1738 iga2_crtc_reg.hor_blank_start.reg_num;
1739 reg = iga2_crtc_reg.hor_blank_start.reg;
1740 break;
1741 case H_BLANK_END_INDEX:
1742 reg_value =
1743 IGA2_HOR_BLANK_END_FORMULA
1744 (device_timing.hor_blank_start,
1745 device_timing.hor_blank_end);
1746 viafb_load_reg_num =
1747 iga2_crtc_reg.hor_blank_end.reg_num;
1748 reg = iga2_crtc_reg.hor_blank_end.reg;
1749 break;
1750 case H_SYNC_START_INDEX:
1751 reg_value =
1752 IGA2_HOR_SYNC_START_FORMULA
1753 (device_timing.hor_sync_start);
1754 if (UNICHROME_CN700 <=
1755 viaparinfo->chip_info->gfx_chip_name)
1756 viafb_load_reg_num =
1757 iga2_crtc_reg.hor_sync_start.
1758 reg_num;
1759 else
1760 viafb_load_reg_num = 3;
1761 reg = iga2_crtc_reg.hor_sync_start.reg;
1762 break;
1763 case H_SYNC_END_INDEX:
1764 reg_value =
1765 IGA2_HOR_SYNC_END_FORMULA
1766 (device_timing.hor_sync_start,
1767 device_timing.hor_sync_end);
1768 viafb_load_reg_num =
1769 iga2_crtc_reg.hor_sync_end.reg_num;
1770 reg = iga2_crtc_reg.hor_sync_end.reg;
1771 break;
1772 case V_TOTAL_INDEX:
1773 reg_value =
1774 IGA2_VER_TOTAL_FORMULA(device_timing.
1775 ver_total);
1776 viafb_load_reg_num =
1777 iga2_crtc_reg.ver_total.reg_num;
1778 reg = iga2_crtc_reg.ver_total.reg;
1779 break;
1780 case V_ADDR_INDEX:
1781 reg_value =
1782 IGA2_VER_ADDR_FORMULA(device_timing.
1783 ver_addr);
1784 viafb_load_reg_num =
1785 iga2_crtc_reg.ver_addr.reg_num;
1786 reg = iga2_crtc_reg.ver_addr.reg;
1787 break;
1788 case V_BLANK_START_INDEX:
1789 reg_value =
1790 IGA2_VER_BLANK_START_FORMULA
1791 (device_timing.ver_blank_start);
1792 viafb_load_reg_num =
1793 iga2_crtc_reg.ver_blank_start.reg_num;
1794 reg = iga2_crtc_reg.ver_blank_start.reg;
1795 break;
1796 case V_BLANK_END_INDEX:
1797 reg_value =
1798 IGA2_VER_BLANK_END_FORMULA
1799 (device_timing.ver_blank_start,
1800 device_timing.ver_blank_end);
1801 viafb_load_reg_num =
1802 iga2_crtc_reg.ver_blank_end.reg_num;
1803 reg = iga2_crtc_reg.ver_blank_end.reg;
1804 break;
1805 case V_SYNC_START_INDEX:
1806 reg_value =
1807 IGA2_VER_SYNC_START_FORMULA
1808 (device_timing.ver_sync_start);
1809 viafb_load_reg_num =
1810 iga2_crtc_reg.ver_sync_start.reg_num;
1811 reg = iga2_crtc_reg.ver_sync_start.reg;
1812 break;
1813 case V_SYNC_END_INDEX:
1814 reg_value =
1815 IGA2_VER_SYNC_END_FORMULA
1816 (device_timing.ver_sync_start,
1817 device_timing.ver_sync_end);
1818 viafb_load_reg_num =
1819 iga2_crtc_reg.ver_sync_end.reg_num;
1820 reg = iga2_crtc_reg.ver_sync_end.reg;
1821 break;
1822
1823 }
1824 }
1825 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1826 }
1827
1828 viafb_lock_crt();
1829 }
1830
1831 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
1832 struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
1833 {
1834 struct display_timing crt_reg;
1835 int i;
1836 int index = 0;
1837 int h_addr, v_addr;
1838 u32 pll_D_N;
1839
1840 for (i = 0; i < video_mode->mode_array; i++) {
1841 index = i;
1842
1843 if (crt_table[i].refresh_rate == viaparinfo->
1844 crt_setting_info->refresh_rate)
1845 break;
1846 }
1847
1848 crt_reg = crt_table[index].crtc;
1849
1850 /* Mode 640x480 has border, but LCD/DFP didn't have border. */
1851 /* So we would delete border. */
1852 if ((viafb_LCD_ON | viafb_DVI_ON)
1853 && video_mode->crtc[0].crtc.hor_addr == 640
1854 && video_mode->crtc[0].crtc.ver_addr == 480
1855 && viaparinfo->crt_setting_info->refresh_rate == 60) {
1856 /* The border is 8 pixels. */
1857 crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
1858
1859 /* Blanking time should add left and right borders. */
1860 crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
1861 }
1862
1863 h_addr = crt_reg.hor_addr;
1864 v_addr = crt_reg.ver_addr;
1865
1866 /* update polarity for CRT timing */
1867 if (crt_table[index].h_sync_polarity == NEGATIVE) {
1868 if (crt_table[index].v_sync_polarity == NEGATIVE)
1869 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) |
1870 (BIT6 + BIT7), VIAWMisc);
1871 else
1872 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT6),
1873 VIAWMisc);
1874 } else {
1875 if (crt_table[index].v_sync_polarity == NEGATIVE)
1876 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT7),
1877 VIAWMisc);
1878 else
1879 outb((inb(VIARMisc) & (~(BIT6 + BIT7))), VIAWMisc);
1880 }
1881
1882 if (set_iga == IGA1) {
1883 viafb_unlock_crt();
1884 viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */
1885 viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
1886 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1887 }
1888
1889 switch (set_iga) {
1890 case IGA1:
1891 viafb_load_crtc_timing(crt_reg, IGA1);
1892 break;
1893 case IGA2:
1894 viafb_load_crtc_timing(crt_reg, IGA2);
1895 break;
1896 }
1897
1898 load_fix_bit_crtc_reg();
1899 viafb_lock_crt();
1900 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1901 viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
1902
1903 /* load FIFO */
1904 if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
1905 && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
1906 viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
1907
1908 pll_D_N = viafb_get_clk_value(crt_table[index].clk);
1909 DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
1910 viafb_set_vclock(pll_D_N, set_iga);
1911
1912 }
1913
1914 void viafb_init_chip_info(struct pci_dev *pdev,
1915 const struct pci_device_id *pdi)
1916 {
1917 init_gfx_chip_info(pdev, pdi);
1918 init_tmds_chip_info();
1919 init_lvds_chip_info();
1920
1921 viaparinfo->crt_setting_info->iga_path = IGA1;
1922 viaparinfo->crt_setting_info->refresh_rate = viafb_refresh;
1923
1924 /*Set IGA path for each device */
1925 viafb_set_iga_path();
1926
1927 viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
1928 viaparinfo->lvds_setting_info->get_lcd_size_method =
1929 GET_LCD_SIZE_BY_USER_SETTING;
1930 viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode;
1931 viaparinfo->lvds_setting_info2->display_method =
1932 viaparinfo->lvds_setting_info->display_method;
1933 viaparinfo->lvds_setting_info2->lcd_mode =
1934 viaparinfo->lvds_setting_info->lcd_mode;
1935 }
1936
1937 void viafb_update_device_setting(int hres, int vres,
1938 int bpp, int vmode_refresh, int flag)
1939 {
1940 if (flag == 0) {
1941 viaparinfo->crt_setting_info->h_active = hres;
1942 viaparinfo->crt_setting_info->v_active = vres;
1943 viaparinfo->crt_setting_info->bpp = bpp;
1944 viaparinfo->crt_setting_info->refresh_rate =
1945 vmode_refresh;
1946
1947 viaparinfo->tmds_setting_info->h_active = hres;
1948 viaparinfo->tmds_setting_info->v_active = vres;
1949
1950 viaparinfo->lvds_setting_info->h_active = hres;
1951 viaparinfo->lvds_setting_info->v_active = vres;
1952 viaparinfo->lvds_setting_info->bpp = bpp;
1953 viaparinfo->lvds_setting_info->refresh_rate =
1954 vmode_refresh;
1955 viaparinfo->lvds_setting_info2->h_active = hres;
1956 viaparinfo->lvds_setting_info2->v_active = vres;
1957 viaparinfo->lvds_setting_info2->bpp = bpp;
1958 viaparinfo->lvds_setting_info2->refresh_rate =
1959 vmode_refresh;
1960 } else {
1961
1962 if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
1963 viaparinfo->tmds_setting_info->h_active = hres;
1964 viaparinfo->tmds_setting_info->v_active = vres;
1965 }
1966
1967 if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
1968 viaparinfo->lvds_setting_info->h_active = hres;
1969 viaparinfo->lvds_setting_info->v_active = vres;
1970 viaparinfo->lvds_setting_info->bpp = bpp;
1971 viaparinfo->lvds_setting_info->refresh_rate =
1972 vmode_refresh;
1973 }
1974 if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) {
1975 viaparinfo->lvds_setting_info2->h_active = hres;
1976 viaparinfo->lvds_setting_info2->v_active = vres;
1977 viaparinfo->lvds_setting_info2->bpp = bpp;
1978 viaparinfo->lvds_setting_info2->refresh_rate =
1979 vmode_refresh;
1980 }
1981 }
1982 }
1983
1984 static void init_gfx_chip_info(struct pci_dev *pdev,
1985 const struct pci_device_id *pdi)
1986 {
1987 u8 tmp;
1988
1989 viaparinfo->chip_info->gfx_chip_name = pdi->driver_data;
1990
1991 /* Check revision of CLE266 Chip */
1992 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
1993 /* CR4F only define in CLE266.CX chip */
1994 tmp = viafb_read_reg(VIACR, CR4F);
1995 viafb_write_reg(CR4F, VIACR, 0x55);
1996 if (viafb_read_reg(VIACR, CR4F) != 0x55)
1997 viaparinfo->chip_info->gfx_chip_revision =
1998 CLE266_REVISION_AX;
1999 else
2000 viaparinfo->chip_info->gfx_chip_revision =
2001 CLE266_REVISION_CX;
2002 /* restore orignal CR4F value */
2003 viafb_write_reg(CR4F, VIACR, tmp);
2004 }
2005
2006 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
2007 tmp = viafb_read_reg(VIASR, SR43);
2008 DEBUG_MSG(KERN_INFO "SR43:%X\n", tmp);
2009 if (tmp & 0x02) {
2010 viaparinfo->chip_info->gfx_chip_revision =
2011 CX700_REVISION_700M2;
2012 } else if (tmp & 0x40) {
2013 viaparinfo->chip_info->gfx_chip_revision =
2014 CX700_REVISION_700M;
2015 } else {
2016 viaparinfo->chip_info->gfx_chip_revision =
2017 CX700_REVISION_700;
2018 }
2019 }
2020
2021 /* Determine which 2D engine we have */
2022 switch (viaparinfo->chip_info->gfx_chip_name) {
2023 case UNICHROME_VX800:
2024 case UNICHROME_VX855:
2025 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_M1;
2026 break;
2027 case UNICHROME_K8M890:
2028 case UNICHROME_P4M900:
2029 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H5;
2030 break;
2031 default:
2032 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H2;
2033 break;
2034 }
2035 }
2036
2037 static void init_tmds_chip_info(void)
2038 {
2039 viafb_tmds_trasmitter_identify();
2040
2041 if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info.
2042 output_interface) {
2043 switch (viaparinfo->chip_info->gfx_chip_name) {
2044 case UNICHROME_CX700:
2045 {
2046 /* we should check support by hardware layout.*/
2047 if ((viafb_display_hardware_layout ==
2048 HW_LAYOUT_DVI_ONLY)
2049 || (viafb_display_hardware_layout ==
2050 HW_LAYOUT_LCD_DVI)) {
2051 viaparinfo->chip_info->tmds_chip_info.
2052 output_interface = INTERFACE_TMDS;
2053 } else {
2054 viaparinfo->chip_info->tmds_chip_info.
2055 output_interface =
2056 INTERFACE_NONE;
2057 }
2058 break;
2059 }
2060 case UNICHROME_K8M890:
2061 case UNICHROME_P4M900:
2062 case UNICHROME_P4M890:
2063 /* TMDS on PCIE, we set DFPLOW as default. */
2064 viaparinfo->chip_info->tmds_chip_info.output_interface =
2065 INTERFACE_DFP_LOW;
2066 break;
2067 default:
2068 {
2069 /* set DVP1 default for DVI */
2070 viaparinfo->chip_info->tmds_chip_info
2071 .output_interface = INTERFACE_DVP1;
2072 }
2073 }
2074 }
2075
2076 DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n",
2077 viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
2078 viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info,
2079 &viaparinfo->shared->tmds_setting_info);
2080 }
2081
2082 static void init_lvds_chip_info(void)
2083 {
2084 if (viafb_lcd_panel_id > LCD_PANEL_ID_MAXIMUM)
2085 viaparinfo->lvds_setting_info->get_lcd_size_method =
2086 GET_LCD_SIZE_BY_VGA_BIOS;
2087 else
2088 viaparinfo->lvds_setting_info->get_lcd_size_method =
2089 GET_LCD_SIZE_BY_USER_SETTING;
2090
2091 viafb_lvds_trasmitter_identify();
2092 viafb_init_lcd_size();
2093 viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info,
2094 viaparinfo->lvds_setting_info);
2095 if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2096 viafb_init_lvds_output_interface(&viaparinfo->chip_info->
2097 lvds_chip_info2, viaparinfo->lvds_setting_info2);
2098 }
2099 /*If CX700,two singel LCD, we need to reassign
2100 LCD interface to different LVDS port */
2101 if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name)
2102 && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) {
2103 if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info.
2104 lvds_chip_name) && (INTEGRATED_LVDS ==
2105 viaparinfo->chip_info->
2106 lvds_chip_info2.lvds_chip_name)) {
2107 viaparinfo->chip_info->lvds_chip_info.output_interface =
2108 INTERFACE_LVDS0;
2109 viaparinfo->chip_info->lvds_chip_info2.
2110 output_interface =
2111 INTERFACE_LVDS1;
2112 }
2113 }
2114
2115 DEBUG_MSG(KERN_INFO "LVDS Chip = %d\n",
2116 viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
2117 DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n",
2118 viaparinfo->chip_info->lvds_chip_info.output_interface);
2119 DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n",
2120 viaparinfo->chip_info->lvds_chip_info.output_interface);
2121 }
2122
2123 void viafb_init_dac(int set_iga)
2124 {
2125 int i;
2126 u8 tmp;
2127
2128 if (set_iga == IGA1) {
2129 /* access Primary Display's LUT */
2130 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2131 /* turn off LCK */
2132 viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6);
2133 for (i = 0; i < 256; i++) {
2134 write_dac_reg(i, palLUT_table[i].red,
2135 palLUT_table[i].green,
2136 palLUT_table[i].blue);
2137 }
2138 /* turn on LCK */
2139 viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6);
2140 } else {
2141 tmp = viafb_read_reg(VIACR, CR6A);
2142 /* access Secondary Display's LUT */
2143 viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6);
2144 viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
2145 for (i = 0; i < 256; i++) {
2146 write_dac_reg(i, palLUT_table[i].red,
2147 palLUT_table[i].green,
2148 palLUT_table[i].blue);
2149 }
2150 /* set IGA1 DAC for default */
2151 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2152 viafb_write_reg(CR6A, VIACR, tmp);
2153 }
2154 }
2155
2156 static void device_screen_off(void)
2157 {
2158 /* turn off CRT screen (IGA1) */
2159 viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5);
2160 }
2161
2162 static void device_screen_on(void)
2163 {
2164 /* turn on CRT screen (IGA1) */
2165 viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5);
2166 }
2167
2168 static void set_display_channel(void)
2169 {
2170 /*If viafb_LCD2_ON, on cx700, internal lvds's information
2171 is keeped on lvds_setting_info2 */
2172 if (viafb_LCD2_ON &&
2173 viaparinfo->lvds_setting_info2->device_lcd_dualedge) {
2174 /* For dual channel LCD: */
2175 /* Set to Dual LVDS channel. */
2176 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2177 } else if (viafb_LCD_ON && viafb_DVI_ON) {
2178 /* For LCD+DFP: */
2179 /* Set to LVDS1 + TMDS channel. */
2180 viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5);
2181 } else if (viafb_DVI_ON) {
2182 /* Set to single TMDS channel. */
2183 viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5);
2184 } else if (viafb_LCD_ON) {
2185 if (viaparinfo->lvds_setting_info->device_lcd_dualedge) {
2186 /* For dual channel LCD: */
2187 /* Set to Dual LVDS channel. */
2188 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2189 } else {
2190 /* Set to LVDS0 + LVDS1 channel. */
2191 viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5);
2192 }
2193 }
2194 }
2195
2196 int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
2197 struct VideoModeTable *vmode_tbl1, int video_bpp1)
2198 {
2199 int i, j;
2200 int port;
2201 u8 value, index, mask;
2202 struct crt_mode_table *crt_timing;
2203 struct crt_mode_table *crt_timing1 = NULL;
2204
2205 device_screen_off();
2206 crt_timing = vmode_tbl->crtc;
2207
2208 if (viafb_SAMM_ON == 1) {
2209 crt_timing1 = vmode_tbl1->crtc;
2210 }
2211
2212 inb(VIAStatus);
2213 outb(0x00, VIAAR);
2214
2215 /* Write Common Setting for Video Mode */
2216 switch (viaparinfo->chip_info->gfx_chip_name) {
2217 case UNICHROME_CLE266:
2218 viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs);
2219 break;
2220
2221 case UNICHROME_K400:
2222 viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs);
2223 break;
2224
2225 case UNICHROME_K800:
2226 case UNICHROME_PM800:
2227 viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs);
2228 break;
2229
2230 case UNICHROME_CN700:
2231 case UNICHROME_K8M890:
2232 case UNICHROME_P4M890:
2233 case UNICHROME_P4M900:
2234 viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs);
2235 break;
2236
2237 case UNICHROME_CX700:
2238 case UNICHROME_VX800:
2239 viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs);
2240 break;
2241
2242 case UNICHROME_VX855:
2243 viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs);
2244 break;
2245 }
2246
2247 device_off();
2248
2249 /* Fill VPIT Parameters */
2250 /* Write Misc Register */
2251 outb(VPIT.Misc, VIAWMisc);
2252
2253 /* Write Sequencer */
2254 for (i = 1; i <= StdSR; i++) {
2255 outb(i, VIASR);
2256 outb(VPIT.SR[i - 1], VIASR + 1);
2257 }
2258
2259 viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
2260 viafb_set_iga_path();
2261
2262 /* Write CRTC */
2263 viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
2264
2265 /* Write Graphic Controller */
2266 for (i = 0; i < StdGR; i++) {
2267 outb(i, VIAGR);
2268 outb(VPIT.GR[i], VIAGR + 1);
2269 }
2270
2271 /* Write Attribute Controller */
2272 for (i = 0; i < StdAR; i++) {
2273 inb(VIAStatus);
2274 outb(i, VIAAR);
2275 outb(VPIT.AR[i], VIAAR);
2276 }
2277
2278 inb(VIAStatus);
2279 outb(0x20, VIAAR);
2280
2281 /* Update Patch Register */
2282
2283 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
2284 || viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
2285 && vmode_tbl->crtc[0].crtc.hor_addr == 1024
2286 && vmode_tbl->crtc[0].crtc.ver_addr == 768) {
2287 for (j = 0; j < res_patch_table[0].table_length; j++) {
2288 index = res_patch_table[0].io_reg_table[j].index;
2289 port = res_patch_table[0].io_reg_table[j].port;
2290 value = res_patch_table[0].io_reg_table[j].value;
2291 mask = res_patch_table[0].io_reg_table[j].mask;
2292 viafb_write_reg_mask(index, port, value, mask);
2293 }
2294 }
2295
2296 viafb_set_primary_pitch(viafbinfo->fix.line_length);
2297 viafb_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
2298 : viafbinfo->fix.line_length);
2299 viafb_set_primary_color_depth(viaparinfo->depth);
2300 viafb_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
2301 : viaparinfo->depth);
2302 /* Update Refresh Rate Setting */
2303
2304 /* Clear On Screen */
2305
2306 /* CRT set mode */
2307 if (viafb_CRT_ON) {
2308 if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
2309 IGA2)) {
2310 viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
2311 video_bpp1 / 8,
2312 viaparinfo->crt_setting_info->iga_path);
2313 } else {
2314 viafb_fill_crtc_timing(crt_timing, vmode_tbl,
2315 video_bpp / 8,
2316 viaparinfo->crt_setting_info->iga_path);
2317 }
2318
2319 set_crt_output_path(viaparinfo->crt_setting_info->iga_path);
2320
2321 /* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
2322 to 8 alignment (1368),there is several pixels (2 pixels)
2323 on right side of screen. */
2324 if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
2325 viafb_unlock_crt();
2326 viafb_write_reg(CR02, VIACR,
2327 viafb_read_reg(VIACR, CR02) - 1);
2328 viafb_lock_crt();
2329 }
2330 }
2331
2332 if (viafb_DVI_ON) {
2333 if (viafb_SAMM_ON &&
2334 (viaparinfo->tmds_setting_info->iga_path == IGA2)) {
2335 viafb_dvi_set_mode(viafb_get_mode
2336 (viaparinfo->tmds_setting_info->h_active,
2337 viaparinfo->tmds_setting_info->
2338 v_active),
2339 video_bpp1, viaparinfo->
2340 tmds_setting_info->iga_path);
2341 } else {
2342 viafb_dvi_set_mode(viafb_get_mode
2343 (viaparinfo->tmds_setting_info->h_active,
2344 viaparinfo->
2345 tmds_setting_info->v_active),
2346 video_bpp, viaparinfo->
2347 tmds_setting_info->iga_path);
2348 }
2349 }
2350
2351 if (viafb_LCD_ON) {
2352 if (viafb_SAMM_ON &&
2353 (viaparinfo->lvds_setting_info->iga_path == IGA2)) {
2354 viaparinfo->lvds_setting_info->bpp = video_bpp1;
2355 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2356 lvds_setting_info,
2357 &viaparinfo->chip_info->lvds_chip_info);
2358 } else {
2359 /* IGA1 doesn't have LCD scaling, so set it center. */
2360 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
2361 viaparinfo->lvds_setting_info->display_method =
2362 LCD_CENTERING;
2363 }
2364 viaparinfo->lvds_setting_info->bpp = video_bpp;
2365 viafb_lcd_set_mode(crt_timing, viaparinfo->
2366 lvds_setting_info,
2367 &viaparinfo->chip_info->lvds_chip_info);
2368 }
2369 }
2370 if (viafb_LCD2_ON) {
2371 if (viafb_SAMM_ON &&
2372 (viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
2373 viaparinfo->lvds_setting_info2->bpp = video_bpp1;
2374 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2375 lvds_setting_info2,
2376 &viaparinfo->chip_info->lvds_chip_info2);
2377 } else {
2378 /* IGA1 doesn't have LCD scaling, so set it center. */
2379 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
2380 viaparinfo->lvds_setting_info2->display_method =
2381 LCD_CENTERING;
2382 }
2383 viaparinfo->lvds_setting_info2->bpp = video_bpp;
2384 viafb_lcd_set_mode(crt_timing, viaparinfo->
2385 lvds_setting_info2,
2386 &viaparinfo->chip_info->lvds_chip_info2);
2387 }
2388 }
2389
2390 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700)
2391 && (viafb_LCD_ON || viafb_DVI_ON))
2392 set_display_channel();
2393
2394 /* If set mode normally, save resolution information for hot-plug . */
2395 if (!viafb_hotplug) {
2396 viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
2397 viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
2398 viafb_hotplug_bpp = video_bpp;
2399 viafb_hotplug_refresh = viafb_refresh;
2400
2401 if (viafb_DVI_ON)
2402 viafb_DeviceStatus = DVI_Device;
2403 else
2404 viafb_DeviceStatus = CRT_Device;
2405 }
2406 device_on();
2407
2408 if (viafb_SAMM_ON == 1)
2409 viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
2410
2411 device_screen_on();
2412 return 1;
2413 }
2414
2415 int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
2416 {
2417 int i;
2418
2419 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2420 if ((hres == res_map_refresh_tbl[i].hres)
2421 && (vres == res_map_refresh_tbl[i].vres)
2422 && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
2423 return res_map_refresh_tbl[i].pixclock;
2424 }
2425 return RES_640X480_60HZ_PIXCLOCK;
2426
2427 }
2428
2429 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
2430 {
2431 #define REFRESH_TOLERANCE 3
2432 int i, nearest = -1, diff = REFRESH_TOLERANCE;
2433 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2434 if ((hres == res_map_refresh_tbl[i].hres)
2435 && (vres == res_map_refresh_tbl[i].vres)
2436 && (diff > (abs(long_refresh -
2437 res_map_refresh_tbl[i].vmode_refresh)))) {
2438 diff = abs(long_refresh - res_map_refresh_tbl[i].
2439 vmode_refresh);
2440 nearest = i;
2441 }
2442 }
2443 #undef REFRESH_TOLERANCE
2444 if (nearest > 0)
2445 return res_map_refresh_tbl[nearest].vmode_refresh;
2446 return 60;
2447 }
2448
2449 static void device_off(void)
2450 {
2451 viafb_crt_disable();
2452 viafb_dvi_disable();
2453 viafb_lcd_disable();
2454 }
2455
2456 static void device_on(void)
2457 {
2458 if (viafb_CRT_ON == 1)
2459 viafb_crt_enable();
2460 if (viafb_DVI_ON == 1)
2461 viafb_dvi_enable();
2462 if (viafb_LCD_ON == 1)
2463 viafb_lcd_enable();
2464 }
2465
2466 void viafb_crt_disable(void)
2467 {
2468 viafb_write_reg_mask(CR36, VIACR, BIT5 + BIT4, BIT5 + BIT4);
2469 }
2470
2471 void viafb_crt_enable(void)
2472 {
2473 viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4);
2474 }
2475
2476 static void enable_second_display_channel(void)
2477 {
2478 /* to enable second display channel. */
2479 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2480 viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7);
2481 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2482 }
2483
2484 static void disable_second_display_channel(void)
2485 {
2486 /* to disable second display channel. */
2487 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2488 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7);
2489 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2490 }
2491
2492 static u_int16_t via_function3[] = {
2493 CLE266_FUNCTION3, KM400_FUNCTION3, CN400_FUNCTION3, CN700_FUNCTION3,
2494 CX700_FUNCTION3, KM800_FUNCTION3, KM890_FUNCTION3, P4M890_FUNCTION3,
2495 P4M900_FUNCTION3, VX800_FUNCTION3, VX855_FUNCTION3,
2496 };
2497
2498 /* Get the BIOS-configured framebuffer size from PCI configuration space
2499 * of function 3 in the respective chipset */
2500 int viafb_get_fb_size_from_pci(void)
2501 {
2502 int i;
2503 u_int8_t offset = 0;
2504 u_int32_t FBSize;
2505 u_int32_t VideoMemSize;
2506
2507 /* search for the "FUNCTION3" device in this chipset */
2508 for (i = 0; i < ARRAY_SIZE(via_function3); i++) {
2509 struct pci_dev *pdev;
2510
2511 pdev = pci_get_device(PCI_VENDOR_ID_VIA, via_function3[i],
2512 NULL);
2513 if (!pdev)
2514 continue;
2515
2516 DEBUG_MSG(KERN_INFO "Device ID = %x\n", pdev->device);
2517
2518 switch (pdev->device) {
2519 case CLE266_FUNCTION3:
2520 case KM400_FUNCTION3:
2521 offset = 0xE0;
2522 break;
2523 case CN400_FUNCTION3:
2524 case CN700_FUNCTION3:
2525 case CX700_FUNCTION3:
2526 case KM800_FUNCTION3:
2527 case KM890_FUNCTION3:
2528 case P4M890_FUNCTION3:
2529 case P4M900_FUNCTION3:
2530 case VX800_FUNCTION3:
2531 case VX855_FUNCTION3:
2532 /*case CN750_FUNCTION3: */
2533 offset = 0xA0;
2534 break;
2535 }
2536
2537 if (!offset)
2538 break;
2539
2540 pci_read_config_dword(pdev, offset, &FBSize);
2541 pci_dev_put(pdev);
2542 }
2543
2544 if (!offset) {
2545 printk(KERN_ERR "cannot determine framebuffer size\n");
2546 return -EIO;
2547 }
2548
2549 FBSize = FBSize & 0x00007000;
2550 DEBUG_MSG(KERN_INFO "FB Size = %x\n", FBSize);
2551
2552 if (viaparinfo->chip_info->gfx_chip_name < UNICHROME_CX700) {
2553 switch (FBSize) {
2554 case 0x00004000:
2555 VideoMemSize = (16 << 20); /*16M */
2556 break;
2557
2558 case 0x00005000:
2559 VideoMemSize = (32 << 20); /*32M */
2560 break;
2561
2562 case 0x00006000:
2563 VideoMemSize = (64 << 20); /*64M */
2564 break;
2565
2566 default:
2567 VideoMemSize = (32 << 20); /*32M */
2568 break;
2569 }
2570 } else {
2571 switch (FBSize) {
2572 case 0x00001000:
2573 VideoMemSize = (8 << 20); /*8M */
2574 break;
2575
2576 case 0x00002000:
2577 VideoMemSize = (16 << 20); /*16M */
2578 break;
2579
2580 case 0x00003000:
2581 VideoMemSize = (32 << 20); /*32M */
2582 break;
2583
2584 case 0x00004000:
2585 VideoMemSize = (64 << 20); /*64M */
2586 break;
2587
2588 case 0x00005000:
2589 VideoMemSize = (128 << 20); /*128M */
2590 break;
2591
2592 case 0x00006000:
2593 VideoMemSize = (256 << 20); /*256M */
2594 break;
2595
2596 case 0x00007000: /* Only on VX855/875 */
2597 VideoMemSize = (512 << 20); /*512M */
2598 break;
2599
2600 default:
2601 VideoMemSize = (32 << 20); /*32M */
2602 break;
2603 }
2604 }
2605
2606 return VideoMemSize;
2607 }
2608
2609 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
2610 *p_gfx_dpa_setting)
2611 {
2612 switch (output_interface) {
2613 case INTERFACE_DVP0:
2614 {
2615 /* DVP0 Clock Polarity and Adjust: */
2616 viafb_write_reg_mask(CR96, VIACR,
2617 p_gfx_dpa_setting->DVP0, 0x0F);
2618
2619 /* DVP0 Clock and Data Pads Driving: */
2620 viafb_write_reg_mask(SR1E, VIASR,
2621 p_gfx_dpa_setting->DVP0ClockDri_S, BIT2);
2622 viafb_write_reg_mask(SR2A, VIASR,
2623 p_gfx_dpa_setting->DVP0ClockDri_S1,
2624 BIT4);
2625 viafb_write_reg_mask(SR1B, VIASR,
2626 p_gfx_dpa_setting->DVP0DataDri_S, BIT1);
2627 viafb_write_reg_mask(SR2A, VIASR,
2628 p_gfx_dpa_setting->DVP0DataDri_S1, BIT5);
2629 break;
2630 }
2631
2632 case INTERFACE_DVP1:
2633 {
2634 /* DVP1 Clock Polarity and Adjust: */
2635 viafb_write_reg_mask(CR9B, VIACR,
2636 p_gfx_dpa_setting->DVP1, 0x0F);
2637
2638 /* DVP1 Clock and Data Pads Driving: */
2639 viafb_write_reg_mask(SR65, VIASR,
2640 p_gfx_dpa_setting->DVP1Driving, 0x0F);
2641 break;
2642 }
2643
2644 case INTERFACE_DFP_HIGH:
2645 {
2646 viafb_write_reg_mask(CR97, VIACR,
2647 p_gfx_dpa_setting->DFPHigh, 0x0F);
2648 break;
2649 }
2650
2651 case INTERFACE_DFP_LOW:
2652 {
2653 viafb_write_reg_mask(CR99, VIACR,
2654 p_gfx_dpa_setting->DFPLow, 0x0F);
2655 break;
2656 }
2657
2658 case INTERFACE_DFP:
2659 {
2660 viafb_write_reg_mask(CR97, VIACR,
2661 p_gfx_dpa_setting->DFPHigh, 0x0F);
2662 viafb_write_reg_mask(CR99, VIACR,
2663 p_gfx_dpa_setting->DFPLow, 0x0F);
2664 break;
2665 }
2666 }
2667 }
2668
2669 /*According var's xres, yres fill var's other timing information*/
2670 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
2671 struct VideoModeTable *vmode_tbl)
2672 {
2673 struct crt_mode_table *crt_timing = NULL;
2674 struct display_timing crt_reg;
2675 int i = 0, index = 0;
2676 crt_timing = vmode_tbl->crtc;
2677 for (i = 0; i < vmode_tbl->mode_array; i++) {
2678 index = i;
2679 if (crt_timing[i].refresh_rate == refresh)
2680 break;
2681 }
2682
2683 crt_reg = crt_timing[index].crtc;
2684 var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
2685 var->left_margin =
2686 crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
2687 var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;
2688 var->hsync_len = crt_reg.hor_sync_end;
2689 var->upper_margin =
2690 crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end);
2691 var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr;
2692 var->vsync_len = crt_reg.ver_sync_end;
2693 }
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