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block: add timer on blkdev_dequeue_request() not elv_next_request()
[linux-2.6/mini2440.git] / drivers / video / via / hw.c
blobfcd53ceb88fa4c76f99ba8ba4891ef550edab377
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 const struct pci_device_id_info pciidlist[] = {
25 {PCI_VIA_VENDOR_ID, UNICHROME_CLE266_DID, UNICHROME_CLE266},
26 {PCI_VIA_VENDOR_ID, UNICHROME_PM800_DID, UNICHROME_PM800},
27 {PCI_VIA_VENDOR_ID, UNICHROME_K400_DID, UNICHROME_K400},
28 {PCI_VIA_VENDOR_ID, UNICHROME_K800_DID, UNICHROME_K800},
29 {PCI_VIA_VENDOR_ID, UNICHROME_CN700_DID, UNICHROME_CN700},
30 {PCI_VIA_VENDOR_ID, UNICHROME_P4M890_DID, UNICHROME_P4M890},
31 {PCI_VIA_VENDOR_ID, UNICHROME_K8M890_DID, UNICHROME_K8M890},
32 {PCI_VIA_VENDOR_ID, UNICHROME_CX700_DID, UNICHROME_CX700},
33 {PCI_VIA_VENDOR_ID, UNICHROME_P4M900_DID, UNICHROME_P4M900},
34 {PCI_VIA_VENDOR_ID, UNICHROME_CN750_DID, UNICHROME_CN750},
35 {PCI_VIA_VENDOR_ID, UNICHROME_VX800_DID, UNICHROME_VX800},
36 {0, 0, 0}
37 };
38
39 struct offset offset_reg = {
40 /* IGA1 Offset Register */
41 {IGA1_OFFSET_REG_NUM, {{CR13, 0, 7}, {CR35, 5, 7} } },
42 /* IGA2 Offset Register */
43 {IGA2_OFFSET_REG_NUM, {{CR66, 0, 7}, {CR67, 0, 1} } }
44 };
45
46 static struct pll_map pll_value[] = {
47 {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M, CX700_25_175M},
48 {CLK_29_581M, CLE266_PLL_29_581M, K800_PLL_29_581M, CX700_29_581M},
49 {CLK_26_880M, CLE266_PLL_26_880M, K800_PLL_26_880M, CX700_26_880M},
50 {CLK_31_490M, CLE266_PLL_31_490M, K800_PLL_31_490M, CX700_31_490M},
51 {CLK_31_500M, CLE266_PLL_31_500M, K800_PLL_31_500M, CX700_31_500M},
52 {CLK_31_728M, CLE266_PLL_31_728M, K800_PLL_31_728M, CX700_31_728M},
53 {CLK_32_668M, CLE266_PLL_32_668M, K800_PLL_32_668M, CX700_32_668M},
54 {CLK_36_000M, CLE266_PLL_36_000M, K800_PLL_36_000M, CX700_36_000M},
55 {CLK_40_000M, CLE266_PLL_40_000M, K800_PLL_40_000M, CX700_40_000M},
56 {CLK_41_291M, CLE266_PLL_41_291M, K800_PLL_41_291M, CX700_41_291M},
57 {CLK_43_163M, CLE266_PLL_43_163M, K800_PLL_43_163M, CX700_43_163M},
58 {CLK_45_250M, CLE266_PLL_45_250M, K800_PLL_45_250M, CX700_45_250M},
59 {CLK_46_000M, CLE266_PLL_46_000M, K800_PLL_46_000M, CX700_46_000M},
60 {CLK_46_996M, CLE266_PLL_46_996M, K800_PLL_46_996M, CX700_46_996M},
61 {CLK_48_000M, CLE266_PLL_48_000M, K800_PLL_48_000M, CX700_48_000M},
62 {CLK_48_875M, CLE266_PLL_48_875M, K800_PLL_48_875M, CX700_48_875M},
63 {CLK_49_500M, CLE266_PLL_49_500M, K800_PLL_49_500M, CX700_49_500M},
64 {CLK_52_406M, CLE266_PLL_52_406M, K800_PLL_52_406M, CX700_52_406M},
65 {CLK_52_977M, CLE266_PLL_52_977M, K800_PLL_52_977M, CX700_52_977M},
66 {CLK_56_250M, CLE266_PLL_56_250M, K800_PLL_56_250M, CX700_56_250M},
67 {CLK_60_466M, CLE266_PLL_60_466M, K800_PLL_60_466M, CX700_60_466M},
68 {CLK_61_500M, CLE266_PLL_61_500M, K800_PLL_61_500M, CX700_61_500M},
69 {CLK_65_000M, CLE266_PLL_65_000M, K800_PLL_65_000M, CX700_65_000M},
70 {CLK_65_178M, CLE266_PLL_65_178M, K800_PLL_65_178M, CX700_65_178M},
71 {CLK_66_750M, CLE266_PLL_66_750M, K800_PLL_66_750M, CX700_66_750M},
72 {CLK_68_179M, CLE266_PLL_68_179M, K800_PLL_68_179M, CX700_68_179M},
73 {CLK_69_924M, CLE266_PLL_69_924M, K800_PLL_69_924M, CX700_69_924M},
74 {CLK_70_159M, CLE266_PLL_70_159M, K800_PLL_70_159M, CX700_70_159M},
75 {CLK_72_000M, CLE266_PLL_72_000M, K800_PLL_72_000M, CX700_72_000M},
76 {CLK_78_750M, CLE266_PLL_78_750M, K800_PLL_78_750M, CX700_78_750M},
77 {CLK_80_136M, CLE266_PLL_80_136M, K800_PLL_80_136M, CX700_80_136M},
78 {CLK_83_375M, CLE266_PLL_83_375M, K800_PLL_83_375M, CX700_83_375M},
79 {CLK_83_950M, CLE266_PLL_83_950M, K800_PLL_83_950M, CX700_83_950M},
80 {CLK_84_750M, CLE266_PLL_84_750M, K800_PLL_84_750M, CX700_84_750M},
81 {CLK_85_860M, CLE266_PLL_85_860M, K800_PLL_85_860M, CX700_85_860M},
82 {CLK_88_750M, CLE266_PLL_88_750M, K800_PLL_88_750M, CX700_88_750M},
83 {CLK_94_500M, CLE266_PLL_94_500M, K800_PLL_94_500M, CX700_94_500M},
84 {CLK_97_750M, CLE266_PLL_97_750M, K800_PLL_97_750M, CX700_97_750M},
85 {CLK_101_000M, CLE266_PLL_101_000M, K800_PLL_101_000M,
86 CX700_101_000M},
87 {CLK_106_500M, CLE266_PLL_106_500M, K800_PLL_106_500M,
88 CX700_106_500M},
89 {CLK_108_000M, CLE266_PLL_108_000M, K800_PLL_108_000M,
90 CX700_108_000M},
91 {CLK_113_309M, CLE266_PLL_113_309M, K800_PLL_113_309M,
92 CX700_113_309M},
93 {CLK_118_840M, CLE266_PLL_118_840M, K800_PLL_118_840M,
94 CX700_118_840M},
95 {CLK_119_000M, CLE266_PLL_119_000M, K800_PLL_119_000M,
96 CX700_119_000M},
97 {CLK_121_750M, CLE266_PLL_121_750M, K800_PLL_121_750M,
98 CX700_121_750M},
99 {CLK_125_104M, CLE266_PLL_125_104M, K800_PLL_125_104M,
100 CX700_125_104M},
101 {CLK_133_308M, CLE266_PLL_133_308M, K800_PLL_133_308M,
102 CX700_133_308M},
103 {CLK_135_000M, CLE266_PLL_135_000M, K800_PLL_135_000M,
104 CX700_135_000M},
105 {CLK_136_700M, CLE266_PLL_136_700M, K800_PLL_136_700M,
106 CX700_136_700M},
107 {CLK_138_400M, CLE266_PLL_138_400M, K800_PLL_138_400M,
108 CX700_138_400M},
109 {CLK_146_760M, CLE266_PLL_146_760M, K800_PLL_146_760M,
110 CX700_146_760M},
111 {CLK_153_920M, CLE266_PLL_153_920M, K800_PLL_153_920M,
112 CX700_153_920M},
113 {CLK_156_000M, CLE266_PLL_156_000M, K800_PLL_156_000M,
114 CX700_156_000M},
115 {CLK_157_500M, CLE266_PLL_157_500M, K800_PLL_157_500M,
116 CX700_157_500M},
117 {CLK_162_000M, CLE266_PLL_162_000M, K800_PLL_162_000M,
118 CX700_162_000M},
119 {CLK_187_000M, CLE266_PLL_187_000M, K800_PLL_187_000M,
120 CX700_187_000M},
121 {CLK_193_295M, CLE266_PLL_193_295M, K800_PLL_193_295M,
122 CX700_193_295M},
123 {CLK_202_500M, CLE266_PLL_202_500M, K800_PLL_202_500M,
124 CX700_202_500M},
125 {CLK_204_000M, CLE266_PLL_204_000M, K800_PLL_204_000M,
126 CX700_204_000M},
127 {CLK_218_500M, CLE266_PLL_218_500M, K800_PLL_218_500M,
128 CX700_218_500M},
129 {CLK_234_000M, CLE266_PLL_234_000M, K800_PLL_234_000M,
130 CX700_234_000M},
131 {CLK_267_250M, CLE266_PLL_267_250M, K800_PLL_267_250M,
132 CX700_267_250M},
133 {CLK_297_500M, CLE266_PLL_297_500M, K800_PLL_297_500M,
134 CX700_297_500M},
135 {CLK_74_481M, CLE266_PLL_74_481M, K800_PLL_74_481M, CX700_74_481M},
136 {CLK_172_798M, CLE266_PLL_172_798M, K800_PLL_172_798M,
137 CX700_172_798M},
138 {CLK_122_614M, CLE266_PLL_122_614M, K800_PLL_122_614M,
139 CX700_122_614M},
140 {CLK_74_270M, CLE266_PLL_74_270M, K800_PLL_74_270M, CX700_74_270M},
141 {CLK_148_500M, CLE266_PLL_148_500M, K800_PLL_148_500M,
142 CX700_148_500M}
143 };
144
145 static struct fifo_depth_select display_fifo_depth_reg = {
146 /* IGA1 FIFO Depth_Select */
147 {IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
148 /* IGA2 FIFO Depth_Select */
149 {IGA2_FIFO_DEPTH_SELECT_REG_NUM,
150 {{CR68, 4, 7}, {CR94, 7, 7}, {CR95, 7, 7} } }
151 };
152
153 static struct fifo_threshold_select fifo_threshold_select_reg = {
154 /* IGA1 FIFO Threshold Select */
155 {IGA1_FIFO_THRESHOLD_REG_NUM, {{SR16, 0, 5}, {SR16, 7, 7} } },
156 /* IGA2 FIFO Threshold Select */
157 {IGA2_FIFO_THRESHOLD_REG_NUM, {{CR68, 0, 3}, {CR95, 4, 6} } }
158 };
159
160 static struct fifo_high_threshold_select fifo_high_threshold_select_reg = {
161 /* IGA1 FIFO High Threshold Select */
162 {IGA1_FIFO_HIGH_THRESHOLD_REG_NUM, {{SR18, 0, 5}, {SR18, 7, 7} } },
163 /* IGA2 FIFO High Threshold Select */
164 {IGA2_FIFO_HIGH_THRESHOLD_REG_NUM, {{CR92, 0, 3}, {CR95, 0, 2} } }
165 };
166
167 static struct display_queue_expire_num display_queue_expire_num_reg = {
168 /* IGA1 Display Queue Expire Num */
169 {IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{SR22, 0, 4} } },
170 /* IGA2 Display Queue Expire Num */
171 {IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{CR94, 0, 6} } }
172 };
173
174 /* Definition Fetch Count Registers*/
175 static struct fetch_count fetch_count_reg = {
176 /* IGA1 Fetch Count Register */
177 {IGA1_FETCH_COUNT_REG_NUM, {{SR1C, 0, 7}, {SR1D, 0, 1} } },
178 /* IGA2 Fetch Count Register */
179 {IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } }
180 };
181
182 static struct iga1_crtc_timing iga1_crtc_reg = {
183 /* IGA1 Horizontal Total */
184 {IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } },
185 /* IGA1 Horizontal Addressable Video */
186 {IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } },
187 /* IGA1 Horizontal Blank Start */
188 {IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } },
189 /* IGA1 Horizontal Blank End */
190 {IGA1_HOR_BLANK_END_REG_NUM,
191 {{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } },
192 /* IGA1 Horizontal Sync Start */
193 {IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } },
194 /* IGA1 Horizontal Sync End */
195 {IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } },
196 /* IGA1 Vertical Total */
197 {IGA1_VER_TOTAL_REG_NUM,
198 {{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } },
199 /* IGA1 Vertical Addressable Video */
200 {IGA1_VER_ADDR_REG_NUM,
201 {{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } },
202 /* IGA1 Vertical Blank Start */
203 {IGA1_VER_BLANK_START_REG_NUM,
204 {{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } },
205 /* IGA1 Vertical Blank End */
206 {IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } },
207 /* IGA1 Vertical Sync Start */
208 {IGA1_VER_SYNC_START_REG_NUM,
209 {{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } },
210 /* IGA1 Vertical Sync End */
211 {IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } }
212 };
213
214 static struct iga2_crtc_timing iga2_crtc_reg = {
215 /* IGA2 Horizontal Total */
216 {IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } },
217 /* IGA2 Horizontal Addressable Video */
218 {IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } },
219 /* IGA2 Horizontal Blank Start */
220 {IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } },
221 /* IGA2 Horizontal Blank End */
222 {IGA2_HOR_BLANK_END_REG_NUM,
223 {{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } },
224 /* IGA2 Horizontal Sync Start */
225 {IGA2_HOR_SYNC_START_REG_NUM,
226 {{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } },
227 /* IGA2 Horizontal Sync End */
228 {IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } },
229 /* IGA2 Vertical Total */
230 {IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } },
231 /* IGA2 Vertical Addressable Video */
232 {IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } },
233 /* IGA2 Vertical Blank Start */
234 {IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } },
235 /* IGA2 Vertical Blank End */
236 {IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } },
237 /* IGA2 Vertical Sync Start */
238 {IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } },
239 /* IGA2 Vertical Sync End */
240 {IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } }
241 };
242
243 static struct rgbLUT palLUT_table[] = {
244 /* {R,G,B} */
245 /* Index 0x00~0x03 */
246 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x2A}, {0x00, 0x2A, 0x00}, {0x00,
247 0x2A,
248 0x2A},
249 /* Index 0x04~0x07 */
250 {0x2A, 0x00, 0x00}, {0x2A, 0x00, 0x2A}, {0x2A, 0x15, 0x00}, {0x2A,
251 0x2A,
252 0x2A},
253 /* Index 0x08~0x0B */
254 {0x15, 0x15, 0x15}, {0x15, 0x15, 0x3F}, {0x15, 0x3F, 0x15}, {0x15,
255 0x3F,
256 0x3F},
257 /* Index 0x0C~0x0F */
258 {0x3F, 0x15, 0x15}, {0x3F, 0x15, 0x3F}, {0x3F, 0x3F, 0x15}, {0x3F,
259 0x3F,
260 0x3F},
261 /* Index 0x10~0x13 */
262 {0x00, 0x00, 0x00}, {0x05, 0x05, 0x05}, {0x08, 0x08, 0x08}, {0x0B,
263 0x0B,
264 0x0B},
265 /* Index 0x14~0x17 */
266 {0x0E, 0x0E, 0x0E}, {0x11, 0x11, 0x11}, {0x14, 0x14, 0x14}, {0x18,
267 0x18,
268 0x18},
269 /* Index 0x18~0x1B */
270 {0x1C, 0x1C, 0x1C}, {0x20, 0x20, 0x20}, {0x24, 0x24, 0x24}, {0x28,
271 0x28,
272 0x28},
273 /* Index 0x1C~0x1F */
274 {0x2D, 0x2D, 0x2D}, {0x32, 0x32, 0x32}, {0x38, 0x38, 0x38}, {0x3F,
275 0x3F,
276 0x3F},
277 /* Index 0x20~0x23 */
278 {0x00, 0x00, 0x3F}, {0x10, 0x00, 0x3F}, {0x1F, 0x00, 0x3F}, {0x2F,
279 0x00,
280 0x3F},
281 /* Index 0x24~0x27 */
282 {0x3F, 0x00, 0x3F}, {0x3F, 0x00, 0x2F}, {0x3F, 0x00, 0x1F}, {0x3F,
283 0x00,
284 0x10},
285 /* Index 0x28~0x2B */
286 {0x3F, 0x00, 0x00}, {0x3F, 0x10, 0x00}, {0x3F, 0x1F, 0x00}, {0x3F,
287 0x2F,
288 0x00},
289 /* Index 0x2C~0x2F */
290 {0x3F, 0x3F, 0x00}, {0x2F, 0x3F, 0x00}, {0x1F, 0x3F, 0x00}, {0x10,
291 0x3F,
292 0x00},
293 /* Index 0x30~0x33 */
294 {0x00, 0x3F, 0x00}, {0x00, 0x3F, 0x10}, {0x00, 0x3F, 0x1F}, {0x00,
295 0x3F,
296 0x2F},
297 /* Index 0x34~0x37 */
298 {0x00, 0x3F, 0x3F}, {0x00, 0x2F, 0x3F}, {0x00, 0x1F, 0x3F}, {0x00,
299 0x10,
300 0x3F},
301 /* Index 0x38~0x3B */
302 {0x1F, 0x1F, 0x3F}, {0x27, 0x1F, 0x3F}, {0x2F, 0x1F, 0x3F}, {0x37,
303 0x1F,
304 0x3F},
305 /* Index 0x3C~0x3F */
306 {0x3F, 0x1F, 0x3F}, {0x3F, 0x1F, 0x37}, {0x3F, 0x1F, 0x2F}, {0x3F,
307 0x1F,
308 0x27},
309 /* Index 0x40~0x43 */
310 {0x3F, 0x1F, 0x1F}, {0x3F, 0x27, 0x1F}, {0x3F, 0x2F, 0x1F}, {0x3F,
311 0x3F,
312 0x1F},
313 /* Index 0x44~0x47 */
314 {0x3F, 0x3F, 0x1F}, {0x37, 0x3F, 0x1F}, {0x2F, 0x3F, 0x1F}, {0x27,
315 0x3F,
316 0x1F},
317 /* Index 0x48~0x4B */
318 {0x1F, 0x3F, 0x1F}, {0x1F, 0x3F, 0x27}, {0x1F, 0x3F, 0x2F}, {0x1F,
319 0x3F,
320 0x37},
321 /* Index 0x4C~0x4F */
322 {0x1F, 0x3F, 0x3F}, {0x1F, 0x37, 0x3F}, {0x1F, 0x2F, 0x3F}, {0x1F,
323 0x27,
324 0x3F},
325 /* Index 0x50~0x53 */
326 {0x2D, 0x2D, 0x3F}, {0x31, 0x2D, 0x3F}, {0x36, 0x2D, 0x3F}, {0x3A,
327 0x2D,
328 0x3F},
329 /* Index 0x54~0x57 */
330 {0x3F, 0x2D, 0x3F}, {0x3F, 0x2D, 0x3A}, {0x3F, 0x2D, 0x36}, {0x3F,
331 0x2D,
332 0x31},
333 /* Index 0x58~0x5B */
334 {0x3F, 0x2D, 0x2D}, {0x3F, 0x31, 0x2D}, {0x3F, 0x36, 0x2D}, {0x3F,
335 0x3A,
336 0x2D},
337 /* Index 0x5C~0x5F */
338 {0x3F, 0x3F, 0x2D}, {0x3A, 0x3F, 0x2D}, {0x36, 0x3F, 0x2D}, {0x31,
339 0x3F,
340 0x2D},
341 /* Index 0x60~0x63 */
342 {0x2D, 0x3F, 0x2D}, {0x2D, 0x3F, 0x31}, {0x2D, 0x3F, 0x36}, {0x2D,
343 0x3F,
344 0x3A},
345 /* Index 0x64~0x67 */
346 {0x2D, 0x3F, 0x3F}, {0x2D, 0x3A, 0x3F}, {0x2D, 0x36, 0x3F}, {0x2D,
347 0x31,
348 0x3F},
349 /* Index 0x68~0x6B */
350 {0x00, 0x00, 0x1C}, {0x07, 0x00, 0x1C}, {0x0E, 0x00, 0x1C}, {0x15,
351 0x00,
352 0x1C},
353 /* Index 0x6C~0x6F */
354 {0x1C, 0x00, 0x1C}, {0x1C, 0x00, 0x15}, {0x1C, 0x00, 0x0E}, {0x1C,
355 0x00,
356 0x07},
357 /* Index 0x70~0x73 */
358 {0x1C, 0x00, 0x00}, {0x1C, 0x07, 0x00}, {0x1C, 0x0E, 0x00}, {0x1C,
359 0x15,
360 0x00},
361 /* Index 0x74~0x77 */
362 {0x1C, 0x1C, 0x00}, {0x15, 0x1C, 0x00}, {0x0E, 0x1C, 0x00}, {0x07,
363 0x1C,
364 0x00},
365 /* Index 0x78~0x7B */
366 {0x00, 0x1C, 0x00}, {0x00, 0x1C, 0x07}, {0x00, 0x1C, 0x0E}, {0x00,
367 0x1C,
368 0x15},
369 /* Index 0x7C~0x7F */
370 {0x00, 0x1C, 0x1C}, {0x00, 0x15, 0x1C}, {0x00, 0x0E, 0x1C}, {0x00,
371 0x07,
372 0x1C},
373 /* Index 0x80~0x83 */
374 {0x0E, 0x0E, 0x1C}, {0x11, 0x0E, 0x1C}, {0x15, 0x0E, 0x1C}, {0x18,
375 0x0E,
376 0x1C},
377 /* Index 0x84~0x87 */
378 {0x1C, 0x0E, 0x1C}, {0x1C, 0x0E, 0x18}, {0x1C, 0x0E, 0x15}, {0x1C,
379 0x0E,
380 0x11},
381 /* Index 0x88~0x8B */
382 {0x1C, 0x0E, 0x0E}, {0x1C, 0x11, 0x0E}, {0x1C, 0x15, 0x0E}, {0x1C,
383 0x18,
384 0x0E},
385 /* Index 0x8C~0x8F */
386 {0x1C, 0x1C, 0x0E}, {0x18, 0x1C, 0x0E}, {0x15, 0x1C, 0x0E}, {0x11,
387 0x1C,
388 0x0E},
389 /* Index 0x90~0x93 */
390 {0x0E, 0x1C, 0x0E}, {0x0E, 0x1C, 0x11}, {0x0E, 0x1C, 0x15}, {0x0E,
391 0x1C,
392 0x18},
393 /* Index 0x94~0x97 */
394 {0x0E, 0x1C, 0x1C}, {0x0E, 0x18, 0x1C}, {0x0E, 0x15, 0x1C}, {0x0E,
395 0x11,
396 0x1C},
397 /* Index 0x98~0x9B */
398 {0x14, 0x14, 0x1C}, {0x16, 0x14, 0x1C}, {0x18, 0x14, 0x1C}, {0x1A,
399 0x14,
400 0x1C},
401 /* Index 0x9C~0x9F */
402 {0x1C, 0x14, 0x1C}, {0x1C, 0x14, 0x1A}, {0x1C, 0x14, 0x18}, {0x1C,
403 0x14,
404 0x16},
405 /* Index 0xA0~0xA3 */
406 {0x1C, 0x14, 0x14}, {0x1C, 0x16, 0x14}, {0x1C, 0x18, 0x14}, {0x1C,
407 0x1A,
408 0x14},
409 /* Index 0xA4~0xA7 */
410 {0x1C, 0x1C, 0x14}, {0x1A, 0x1C, 0x14}, {0x18, 0x1C, 0x14}, {0x16,
411 0x1C,
412 0x14},
413 /* Index 0xA8~0xAB */
414 {0x14, 0x1C, 0x14}, {0x14, 0x1C, 0x16}, {0x14, 0x1C, 0x18}, {0x14,
415 0x1C,
416 0x1A},
417 /* Index 0xAC~0xAF */
418 {0x14, 0x1C, 0x1C}, {0x14, 0x1A, 0x1C}, {0x14, 0x18, 0x1C}, {0x14,
419 0x16,
420 0x1C},
421 /* Index 0xB0~0xB3 */
422 {0x00, 0x00, 0x10}, {0x04, 0x00, 0x10}, {0x08, 0x00, 0x10}, {0x0C,
423 0x00,
424 0x10},
425 /* Index 0xB4~0xB7 */
426 {0x10, 0x00, 0x10}, {0x10, 0x00, 0x0C}, {0x10, 0x00, 0x08}, {0x10,
427 0x00,
428 0x04},
429 /* Index 0xB8~0xBB */
430 {0x10, 0x00, 0x00}, {0x10, 0x04, 0x00}, {0x10, 0x08, 0x00}, {0x10,
431 0x0C,
432 0x00},
433 /* Index 0xBC~0xBF */
434 {0x10, 0x10, 0x00}, {0x0C, 0x10, 0x00}, {0x08, 0x10, 0x00}, {0x04,
435 0x10,
436 0x00},
437 /* Index 0xC0~0xC3 */
438 {0x00, 0x10, 0x00}, {0x00, 0x10, 0x04}, {0x00, 0x10, 0x08}, {0x00,
439 0x10,
440 0x0C},
441 /* Index 0xC4~0xC7 */
442 {0x00, 0x10, 0x10}, {0x00, 0x0C, 0x10}, {0x00, 0x08, 0x10}, {0x00,
443 0x04,
444 0x10},
445 /* Index 0xC8~0xCB */
446 {0x08, 0x08, 0x10}, {0x0A, 0x08, 0x10}, {0x0C, 0x08, 0x10}, {0x0E,
447 0x08,
448 0x10},
449 /* Index 0xCC~0xCF */
450 {0x10, 0x08, 0x10}, {0x10, 0x08, 0x0E}, {0x10, 0x08, 0x0C}, {0x10,
451 0x08,
452 0x0A},
453 /* Index 0xD0~0xD3 */
454 {0x10, 0x08, 0x08}, {0x10, 0x0A, 0x08}, {0x10, 0x0C, 0x08}, {0x10,
455 0x0E,
456 0x08},
457 /* Index 0xD4~0xD7 */
458 {0x10, 0x10, 0x08}, {0x0E, 0x10, 0x08}, {0x0C, 0x10, 0x08}, {0x0A,
459 0x10,
460 0x08},
461 /* Index 0xD8~0xDB */
462 {0x08, 0x10, 0x08}, {0x08, 0x10, 0x0A}, {0x08, 0x10, 0x0C}, {0x08,
463 0x10,
464 0x0E},
465 /* Index 0xDC~0xDF */
466 {0x08, 0x10, 0x10}, {0x08, 0x0E, 0x10}, {0x08, 0x0C, 0x10}, {0x08,
467 0x0A,
468 0x10},
469 /* Index 0xE0~0xE3 */
470 {0x0B, 0x0B, 0x10}, {0x0C, 0x0B, 0x10}, {0x0D, 0x0B, 0x10}, {0x0F,
471 0x0B,
472 0x10},
473 /* Index 0xE4~0xE7 */
474 {0x10, 0x0B, 0x10}, {0x10, 0x0B, 0x0F}, {0x10, 0x0B, 0x0D}, {0x10,
475 0x0B,
476 0x0C},
477 /* Index 0xE8~0xEB */
478 {0x10, 0x0B, 0x0B}, {0x10, 0x0C, 0x0B}, {0x10, 0x0D, 0x0B}, {0x10,
479 0x0F,
480 0x0B},
481 /* Index 0xEC~0xEF */
482 {0x10, 0x10, 0x0B}, {0x0F, 0x10, 0x0B}, {0x0D, 0x10, 0x0B}, {0x0C,
483 0x10,
484 0x0B},
485 /* Index 0xF0~0xF3 */
486 {0x0B, 0x10, 0x0B}, {0x0B, 0x10, 0x0C}, {0x0B, 0x10, 0x0D}, {0x0B,
487 0x10,
488 0x0F},
489 /* Index 0xF4~0xF7 */
490 {0x0B, 0x10, 0x10}, {0x0B, 0x0F, 0x10}, {0x0B, 0x0D, 0x10}, {0x0B,
491 0x0C,
492 0x10},
493 /* Index 0xF8~0xFB */
494 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
495 0x00,
496 0x00},
497 /* Index 0xFC~0xFF */
498 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
499 0x00,
500 0x00}
501 };
502
503 static void set_crt_output_path(int set_iga);
504 static void dvi_patch_skew_dvp0(void);
505 static void dvi_patch_skew_dvp1(void);
506 static void dvi_patch_skew_dvp_low(void);
507 static void set_dvi_output_path(int set_iga, int output_interface);
508 static void set_lcd_output_path(int set_iga, int output_interface);
509 static int search_mode_setting(int ModeInfoIndex);
510 static void load_fix_bit_crtc_reg(void);
511 static void init_gfx_chip_info(void);
512 static void init_tmds_chip_info(void);
513 static void init_lvds_chip_info(void);
514 static void device_screen_off(void);
515 static void device_screen_on(void);
516 static void set_display_channel(void);
517 static void device_off(void);
518 static void device_on(void);
519 static void enable_second_display_channel(void);
520 static void disable_second_display_channel(void);
521 static int get_fb_size_from_pci(void);
522
523 void viafb_write_reg(u8 index, u16 io_port, u8 data)
524 {
525 outb(index, io_port);
526 outb(data, io_port + 1);
527 /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, data); */
528 }
529 u8 viafb_read_reg(int io_port, u8 index)
530 {
531 outb(index, io_port);
532 return inb(io_port + 1);
533 }
534
535 void viafb_lock_crt(void)
536 {
537 viafb_write_reg_mask(CR11, VIACR, BIT7, BIT7);
538 }
539
540 void viafb_unlock_crt(void)
541 {
542 viafb_write_reg_mask(CR11, VIACR, 0, BIT7);
543 viafb_write_reg_mask(CR47, VIACR, 0, BIT0);
544 }
545
546 void viafb_write_reg_mask(u8 index, int io_port, u8 data, u8 mask)
547 {
548 u8 tmp;
549
550 outb(index, io_port);
551 tmp = inb(io_port + 1);
552 outb((data & mask) | (tmp & (~mask)), io_port + 1);
553 /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, tmp); */
554 }
555
556 void write_dac_reg(u8 index, u8 r, u8 g, u8 b)
557 {
558 outb(index, LUT_INDEX_WRITE);
559 outb(r, LUT_DATA);
560 outb(g, LUT_DATA);
561 outb(b, LUT_DATA);
562 }
563
564 /*Set IGA path for each device*/
565 void viafb_set_iga_path(void)
566 {
567
568 if (viafb_SAMM_ON == 1) {
569 if (viafb_CRT_ON) {
570 if (viafb_primary_dev == CRT_Device)
571 viaparinfo->crt_setting_info->iga_path = IGA1;
572 else
573 viaparinfo->crt_setting_info->iga_path = IGA2;
574 }
575
576 if (viafb_DVI_ON) {
577 if (viafb_primary_dev == DVI_Device)
578 viaparinfo->tmds_setting_info->iga_path = IGA1;
579 else
580 viaparinfo->tmds_setting_info->iga_path = IGA2;
581 }
582
583 if (viafb_LCD_ON) {
584 if (viafb_primary_dev == LCD_Device) {
585 if (viafb_dual_fb &&
586 (viaparinfo->chip_info->gfx_chip_name ==
587 UNICHROME_CLE266)) {
588 viaparinfo->
589 lvds_setting_info->iga_path = IGA2;
590 viaparinfo->
591 crt_setting_info->iga_path = IGA1;
592 viaparinfo->
593 tmds_setting_info->iga_path = IGA1;
594 } else
595 viaparinfo->
596 lvds_setting_info->iga_path = IGA1;
597 } else {
598 viaparinfo->lvds_setting_info->iga_path = IGA2;
599 }
600 }
601 if (viafb_LCD2_ON) {
602 if (LCD2_Device == viafb_primary_dev)
603 viaparinfo->lvds_setting_info2->iga_path = IGA1;
604 else
605 viaparinfo->lvds_setting_info2->iga_path = IGA2;
606 }
607 } else {
608 viafb_SAMM_ON = 0;
609
610 if (viafb_CRT_ON && viafb_LCD_ON) {
611 viaparinfo->crt_setting_info->iga_path = IGA1;
612 viaparinfo->lvds_setting_info->iga_path = IGA2;
613 } else if (viafb_CRT_ON && viafb_DVI_ON) {
614 viaparinfo->crt_setting_info->iga_path = IGA1;
615 viaparinfo->tmds_setting_info->iga_path = IGA2;
616 } else if (viafb_LCD_ON && viafb_DVI_ON) {
617 viaparinfo->tmds_setting_info->iga_path = IGA1;
618 viaparinfo->lvds_setting_info->iga_path = IGA2;
619 } else if (viafb_LCD_ON && viafb_LCD2_ON) {
620 viaparinfo->lvds_setting_info->iga_path = IGA2;
621 viaparinfo->lvds_setting_info2->iga_path = IGA2;
622 } else if (viafb_CRT_ON) {
623 viaparinfo->crt_setting_info->iga_path = IGA1;
624 } else if (viafb_LCD_ON) {
625 viaparinfo->lvds_setting_info->iga_path = IGA2;
626 } else if (viafb_DVI_ON) {
627 viaparinfo->tmds_setting_info->iga_path = IGA1;
628 }
629 }
630 }
631
632 void viafb_set_start_addr(void)
633 {
634 unsigned long offset = 0, tmp = 0, size = 0;
635 unsigned long length;
636
637 DEBUG_MSG(KERN_INFO "viafb_set_start_addr!\n");
638 viafb_unlock_crt();
639 /* update starting address of IGA1 */
640 viafb_write_reg(CR0C, VIACR, 0x00); /*initial starting address */
641 viafb_write_reg(CR0D, VIACR, 0x00);
642 viafb_write_reg(CR34, VIACR, 0x00);
643 viafb_write_reg_mask(CR48, VIACR, 0x00, 0x1F);
644
645 if (viafb_dual_fb) {
646 viaparinfo->iga_path = IGA1;
647 viaparinfo1->iga_path = IGA2;
648 }
649
650 if (viafb_SAMM_ON == 1) {
651 if (!viafb_dual_fb) {
652 if (viafb_second_size)
653 size = viafb_second_size * 1024 * 1024;
654 else
655 size = 8 * 1024 * 1024;
656 } else {
657
658 size = viaparinfo1->memsize;
659 }
660 offset = viafb_second_offset;
661 DEBUG_MSG(KERN_INFO
662 "viafb_second_size=%lx, second start_adddress=%lx\n",
663 size, offset);
664 }
665 if (viafb_SAMM_ON == 1) {
666 offset = offset >> 3;
667
668 tmp = viafb_read_reg(VIACR, 0x62) & 0x01;
669 tmp |= (offset & 0x7F) << 1;
670 viafb_write_reg(CR62, VIACR, tmp);
671 viafb_write_reg(CR63, VIACR, ((offset & 0x7F80) >> 7));
672 viafb_write_reg(CR64, VIACR, ((offset & 0x7F8000) >> 15));
673 viafb_write_reg(CRA3, VIACR, ((offset & 0x3800000) >> 23));
674 } else {
675 /* update starting address */
676 viafb_write_reg(CR62, VIACR, 0x00);
677 viafb_write_reg(CR63, VIACR, 0x00);
678 viafb_write_reg(CR64, VIACR, 0x00);
679 viafb_write_reg(CRA3, VIACR, 0x00);
680 }
681
682 if (viafb_SAMM_ON == 1) {
683 if (viafb_accel) {
684 if (!viafb_dual_fb)
685 length = size - viaparinfo->fbmem_used;
686 else
687 length = size - viaparinfo1->fbmem_used;
688 } else
689 length = size;
690 offset = (unsigned long)(void *)viafb_FB_MM +
691 viafb_second_offset;
692 memset((void *)offset, 0, length);
693 }
694
695 viafb_lock_crt();
696 }
697
698 void viafb_set_output_path(int device, int set_iga, int output_interface)
699 {
700 switch (device) {
701 case DEVICE_CRT:
702 set_crt_output_path(set_iga);
703 break;
704 case DEVICE_DVI:
705 set_dvi_output_path(set_iga, output_interface);
706 break;
707 case DEVICE_LCD:
708 set_lcd_output_path(set_iga, output_interface);
709 break;
710 }
711 }
712
713 static void set_crt_output_path(int set_iga)
714 {
715 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
716
717 switch (set_iga) {
718 case IGA1:
719 viafb_write_reg_mask(SR16, VIASR, 0x00, BIT6);
720 break;
721 case IGA2:
722 case IGA1_IGA2:
723 viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
724 viafb_write_reg_mask(SR16, VIASR, 0x40, BIT6);
725 if (set_iga == IGA1_IGA2)
726 viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3);
727 break;
728 }
729 }
730
731 static void dvi_patch_skew_dvp0(void)
732 {
733 /* Reset data driving first: */
734 viafb_write_reg_mask(SR1B, VIASR, 0, BIT1);
735 viafb_write_reg_mask(SR2A, VIASR, 0, BIT4);
736
737 switch (viaparinfo->chip_info->gfx_chip_name) {
738 case UNICHROME_P4M890:
739 {
740 if ((viaparinfo->tmds_setting_info->h_active == 1600) &&
741 (viaparinfo->tmds_setting_info->v_active ==
742 1200))
743 viafb_write_reg_mask(CR96, VIACR, 0x03,
744 BIT0 + BIT1 + BIT2);
745 else
746 viafb_write_reg_mask(CR96, VIACR, 0x07,
747 BIT0 + BIT1 + BIT2);
748 break;
749 }
750
751 case UNICHROME_P4M900:
752 {
753 viafb_write_reg_mask(CR96, VIACR, 0x07,
754 BIT0 + BIT1 + BIT2 + BIT3);
755 viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1);
756 viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4);
757 break;
758 }
759
760 default:
761 {
762 break;
763 }
764 }
765 }
766
767 static void dvi_patch_skew_dvp1(void)
768 {
769 switch (viaparinfo->chip_info->gfx_chip_name) {
770 case UNICHROME_CX700:
771 {
772 break;
773 }
774
775 default:
776 {
777 break;
778 }
779 }
780 }
781
782 static void dvi_patch_skew_dvp_low(void)
783 {
784 switch (viaparinfo->chip_info->gfx_chip_name) {
785 case UNICHROME_K8M890:
786 {
787 viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1);
788 break;
789 }
790
791 case UNICHROME_P4M900:
792 {
793 viafb_write_reg_mask(CR99, VIACR, 0x08,
794 BIT0 + BIT1 + BIT2 + BIT3);
795 break;
796 }
797
798 case UNICHROME_P4M890:
799 {
800 viafb_write_reg_mask(CR99, VIACR, 0x0F,
801 BIT0 + BIT1 + BIT2 + BIT3);
802 break;
803 }
804
805 default:
806 {
807 break;
808 }
809 }
810 }
811
812 static void set_dvi_output_path(int set_iga, int output_interface)
813 {
814 switch (output_interface) {
815 case INTERFACE_DVP0:
816 viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0);
817
818 if (set_iga == IGA1) {
819 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
820 viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 +
821 BIT5 + BIT7);
822 } else {
823 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
824 viafb_write_reg_mask(CR6C, VIACR, 0xA1, BIT0 +
825 BIT5 + BIT7);
826 }
827
828 viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT7 + BIT6);
829
830 dvi_patch_skew_dvp0();
831 break;
832
833 case INTERFACE_DVP1:
834 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
835 if (set_iga == IGA1)
836 viafb_write_reg_mask(CR93, VIACR, 0x21,
837 BIT0 + BIT5 + BIT7);
838 else
839 viafb_write_reg_mask(CR93, VIACR, 0xA1,
840 BIT0 + BIT5 + BIT7);
841 } else {
842 if (set_iga == IGA1)
843 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
844 else
845 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
846 }
847
848 viafb_write_reg_mask(SR1E, VIASR, 0x30, BIT4 + BIT5);
849 dvi_patch_skew_dvp1();
850 break;
851 case INTERFACE_DFP_HIGH:
852 if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) {
853 if (set_iga == IGA1) {
854 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
855 viafb_write_reg_mask(CR97, VIACR, 0x03,
856 BIT0 + BIT1 + BIT4);
857 } else {
858 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
859 viafb_write_reg_mask(CR97, VIACR, 0x13,
860 BIT0 + BIT1 + BIT4);
861 }
862 }
863 viafb_write_reg_mask(SR2A, VIASR, 0x0C, BIT2 + BIT3);
864 break;
865
866 case INTERFACE_DFP_LOW:
867 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
868 break;
869
870 if (set_iga == IGA1) {
871 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
872 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
873 } else {
874 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
875 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
876 }
877
878 viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1);
879 dvi_patch_skew_dvp_low();
880 break;
881
882 case INTERFACE_TMDS:
883 if (set_iga == IGA1)
884 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
885 else
886 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
887 break;
888 }
889
890 if (set_iga == IGA2) {
891 enable_second_display_channel();
892 /* Disable LCD Scaling */
893 viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0);
894 }
895 }
896
897 static void set_lcd_output_path(int set_iga, int output_interface)
898 {
899 DEBUG_MSG(KERN_INFO
900 "set_lcd_output_path, iga:%d,out_interface:%d\n",
901 set_iga, output_interface);
902 switch (set_iga) {
903 case IGA1:
904 viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
905 viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
906
907 disable_second_display_channel();
908 break;
909
910 case IGA2:
911 viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3);
912 viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
913
914 enable_second_display_channel();
915 break;
916
917 case IGA1_IGA2:
918 viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3);
919 viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
920
921 disable_second_display_channel();
922 break;
923 }
924
925 switch (output_interface) {
926 case INTERFACE_DVP0:
927 if (set_iga == IGA1) {
928 viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4);
929 } else {
930 viafb_write_reg(CR91, VIACR, 0x00);
931 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
932 }
933 break;
934
935 case INTERFACE_DVP1:
936 if (set_iga == IGA1)
937 viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4);
938 else {
939 viafb_write_reg(CR91, VIACR, 0x00);
940 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
941 }
942 break;
943
944 case INTERFACE_DFP_HIGH:
945 if (set_iga == IGA1)
946 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
947 else {
948 viafb_write_reg(CR91, VIACR, 0x00);
949 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
950 viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4);
951 }
952 break;
953
954 case INTERFACE_DFP_LOW:
955 if (set_iga == IGA1)
956 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
957 else {
958 viafb_write_reg(CR91, VIACR, 0x00);
959 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
960 viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4);
961 }
962
963 break;
964
965 case INTERFACE_DFP:
966 if ((UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)
967 || (UNICHROME_P4M890 ==
968 viaparinfo->chip_info->gfx_chip_name))
969 viafb_write_reg_mask(CR97, VIACR, 0x84,
970 BIT7 + BIT2 + BIT1 + BIT0);
971 if (set_iga == IGA1) {
972 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
973 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
974 } else {
975 viafb_write_reg(CR91, VIACR, 0x00);
976 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
977 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
978 }
979 break;
980
981 case INTERFACE_LVDS0:
982 case INTERFACE_LVDS0LVDS1:
983 if (set_iga == IGA1)
984 viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4);
985 else
986 viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4);
987
988 break;
989
990 case INTERFACE_LVDS1:
991 if (set_iga == IGA1)
992 viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4);
993 else
994 viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4);
995 break;
996 }
997 }
998
999 /* Search Mode Index */
1000 static int search_mode_setting(int ModeInfoIndex)
1001 {
1002 int i = 0;
1003
1004 while ((i < NUM_TOTAL_MODETABLE) &&
1005 (ModeInfoIndex != CLE266Modes[i].ModeIndex))
1006 i++;
1007 if (i >= NUM_TOTAL_MODETABLE)
1008 i = 0;
1009 return i;
1010
1011 }
1012
1013 struct VideoModeTable *viafb_get_modetbl_pointer(int Index)
1014 {
1015 struct VideoModeTable *TmpTbl = NULL;
1016 TmpTbl = &CLE266Modes[search_mode_setting(Index)];
1017 return TmpTbl;
1018 }
1019
1020 struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index)
1021 {
1022 struct VideoModeTable *TmpTbl = NULL;
1023 int i = 0;
1024 while ((i < NUM_TOTAL_CEA_MODES) &&
1025 (Index != CEA_HDMI_Modes[i].ModeIndex))
1026 i++;
1027 if ((i < NUM_TOTAL_CEA_MODES))
1028 TmpTbl = &CEA_HDMI_Modes[i];
1029 else {
1030 /*Still use general timing if don't find CEA timing */
1031 i = 0;
1032 while ((i < NUM_TOTAL_MODETABLE) &&
1033 (Index != CLE266Modes[i].ModeIndex))
1034 i++;
1035 if (i >= NUM_TOTAL_MODETABLE)
1036 i = 0;
1037 TmpTbl = &CLE266Modes[i];
1038 }
1039 return TmpTbl;
1040 }
1041
1042 static void load_fix_bit_crtc_reg(void)
1043 {
1044 /* always set to 1 */
1045 viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
1046 /* line compare should set all bits = 1 (extend modes) */
1047 viafb_write_reg(CR18, VIACR, 0xff);
1048 /* line compare should set all bits = 1 (extend modes) */
1049 viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
1050 /* line compare should set all bits = 1 (extend modes) */
1051 viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
1052 /* line compare should set all bits = 1 (extend modes) */
1053 viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
1054 /* line compare should set all bits = 1 (extend modes) */
1055 viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
1056 /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
1057 /* extend mode always set to e3h */
1058 viafb_write_reg(CR17, VIACR, 0xe3);
1059 /* extend mode always set to 0h */
1060 viafb_write_reg(CR08, VIACR, 0x00);
1061 /* extend mode always set to 0h */
1062 viafb_write_reg(CR14, VIACR, 0x00);
1063
1064 /* If K8M800, enable Prefetch Mode. */
1065 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
1066 || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890))
1067 viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3);
1068 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
1069 && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX))
1070 viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1);
1071
1072 }
1073
1074 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
1075 struct io_register *reg,
1076 int io_type)
1077 {
1078 int reg_mask;
1079 int bit_num = 0;
1080 int data;
1081 int i, j;
1082 int shift_next_reg;
1083 int start_index, end_index, cr_index;
1084 u16 get_bit;
1085
1086 for (i = 0; i < viafb_load_reg_num; i++) {
1087 reg_mask = 0;
1088 data = 0;
1089 start_index = reg[i].start_bit;
1090 end_index = reg[i].end_bit;
1091 cr_index = reg[i].io_addr;
1092
1093 shift_next_reg = bit_num;
1094 for (j = start_index; j <= end_index; j++) {
1095 /*if (bit_num==8) timing_value = timing_value >>8; */
1096 reg_mask = reg_mask | (BIT0 << j);
1097 get_bit = (timing_value & (BIT0 << bit_num));
1098 data =
1099 data | ((get_bit >> shift_next_reg) << start_index);
1100 bit_num++;
1101 }
1102 if (io_type == VIACR)
1103 viafb_write_reg_mask(cr_index, VIACR, data, reg_mask);
1104 else
1105 viafb_write_reg_mask(cr_index, VIASR, data, reg_mask);
1106 }
1107
1108 }
1109
1110 /* Write Registers */
1111 void viafb_write_regx(struct io_reg RegTable[], int ItemNum)
1112 {
1113 int i;
1114 unsigned char RegTemp;
1115
1116 /*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */
1117
1118 for (i = 0; i < ItemNum; i++) {
1119 outb(RegTable[i].index, RegTable[i].port);
1120 RegTemp = inb(RegTable[i].port + 1);
1121 RegTemp = (RegTemp & (~RegTable[i].mask)) | RegTable[i].value;
1122 outb(RegTemp, RegTable[i].port + 1);
1123 }
1124 }
1125
1126 void viafb_load_offset_reg(int h_addr, int bpp_byte, int set_iga)
1127 {
1128 int reg_value;
1129 int viafb_load_reg_num;
1130 struct io_register *reg;
1131
1132 switch (set_iga) {
1133 case IGA1_IGA2:
1134 case IGA1:
1135 reg_value = IGA1_OFFSET_FORMULA(h_addr, bpp_byte);
1136 viafb_load_reg_num = offset_reg.iga1_offset_reg.reg_num;
1137 reg = offset_reg.iga1_offset_reg.reg;
1138 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1139 if (set_iga == IGA1)
1140 break;
1141 case IGA2:
1142 reg_value = IGA2_OFFSET_FORMULA(h_addr, bpp_byte);
1143 viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num;
1144 reg = offset_reg.iga2_offset_reg.reg;
1145 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1146 break;
1147 }
1148 }
1149
1150 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga)
1151 {
1152 int reg_value;
1153 int viafb_load_reg_num;
1154 struct io_register *reg = NULL;
1155
1156 switch (set_iga) {
1157 case IGA1_IGA2:
1158 case IGA1:
1159 reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1160 viafb_load_reg_num = fetch_count_reg.
1161 iga1_fetch_count_reg.reg_num;
1162 reg = fetch_count_reg.iga1_fetch_count_reg.reg;
1163 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1164 if (set_iga == IGA1)
1165 break;
1166 case IGA2:
1167 reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1168 viafb_load_reg_num = fetch_count_reg.
1169 iga2_fetch_count_reg.reg_num;
1170 reg = fetch_count_reg.iga2_fetch_count_reg.reg;
1171 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1172 break;
1173 }
1174
1175 }
1176
1177 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
1178 {
1179 int reg_value;
1180 int viafb_load_reg_num;
1181 struct io_register *reg = NULL;
1182 int iga1_fifo_max_depth = 0, iga1_fifo_threshold =
1183 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0;
1184 int iga2_fifo_max_depth = 0, iga2_fifo_threshold =
1185 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0;
1186
1187 if (set_iga == IGA1) {
1188 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1189 iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH;
1190 iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD;
1191 iga1_fifo_high_threshold =
1192 K800_IGA1_FIFO_HIGH_THRESHOLD;
1193 /* If resolution > 1280x1024, expire length = 64, else
1194 expire length = 128 */
1195 if ((hor_active > 1280) && (ver_active > 1024))
1196 iga1_display_queue_expire_num = 16;
1197 else
1198 iga1_display_queue_expire_num =
1199 K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1200
1201 }
1202
1203 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1204 iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH;
1205 iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD;
1206 iga1_fifo_high_threshold =
1207 P880_IGA1_FIFO_HIGH_THRESHOLD;
1208 iga1_display_queue_expire_num =
1209 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1210
1211 /* If resolution > 1280x1024, expire length = 64, else
1212 expire length = 128 */
1213 if ((hor_active > 1280) && (ver_active > 1024))
1214 iga1_display_queue_expire_num = 16;
1215 else
1216 iga1_display_queue_expire_num =
1217 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1218 }
1219
1220 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1221 iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH;
1222 iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD;
1223 iga1_fifo_high_threshold =
1224 CN700_IGA1_FIFO_HIGH_THRESHOLD;
1225
1226 /* If resolution > 1280x1024, expire length = 64,
1227 else expire length = 128 */
1228 if ((hor_active > 1280) && (ver_active > 1024))
1229 iga1_display_queue_expire_num = 16;
1230 else
1231 iga1_display_queue_expire_num =
1232 CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1233 }
1234
1235 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1236 iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH;
1237 iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD;
1238 iga1_fifo_high_threshold =
1239 CX700_IGA1_FIFO_HIGH_THRESHOLD;
1240 iga1_display_queue_expire_num =
1241 CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1242 }
1243
1244 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1245 iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH;
1246 iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD;
1247 iga1_fifo_high_threshold =
1248 K8M890_IGA1_FIFO_HIGH_THRESHOLD;
1249 iga1_display_queue_expire_num =
1250 K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1251 }
1252
1253 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1254 iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH;
1255 iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD;
1256 iga1_fifo_high_threshold =
1257 P4M890_IGA1_FIFO_HIGH_THRESHOLD;
1258 iga1_display_queue_expire_num =
1259 P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1260 }
1261
1262 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1263 iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH;
1264 iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD;
1265 iga1_fifo_high_threshold =
1266 P4M900_IGA1_FIFO_HIGH_THRESHOLD;
1267 iga1_display_queue_expire_num =
1268 P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1269 }
1270
1271 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1272 iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH;
1273 iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD;
1274 iga1_fifo_high_threshold =
1275 VX800_IGA1_FIFO_HIGH_THRESHOLD;
1276 iga1_display_queue_expire_num =
1277 VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1278 }
1279
1280 /* Set Display FIFO Depath Select */
1281 reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth);
1282 viafb_load_reg_num =
1283 display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num;
1284 reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg;
1285 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1286
1287 /* Set Display FIFO Threshold Select */
1288 reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold);
1289 viafb_load_reg_num =
1290 fifo_threshold_select_reg.
1291 iga1_fifo_threshold_select_reg.reg_num;
1292 reg =
1293 fifo_threshold_select_reg.
1294 iga1_fifo_threshold_select_reg.reg;
1295 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1296
1297 /* Set FIFO High Threshold Select */
1298 reg_value =
1299 IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold);
1300 viafb_load_reg_num =
1301 fifo_high_threshold_select_reg.
1302 iga1_fifo_high_threshold_select_reg.reg_num;
1303 reg =
1304 fifo_high_threshold_select_reg.
1305 iga1_fifo_high_threshold_select_reg.reg;
1306 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1307
1308 /* Set Display Queue Expire Num */
1309 reg_value =
1310 IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1311 (iga1_display_queue_expire_num);
1312 viafb_load_reg_num =
1313 display_queue_expire_num_reg.
1314 iga1_display_queue_expire_num_reg.reg_num;
1315 reg =
1316 display_queue_expire_num_reg.
1317 iga1_display_queue_expire_num_reg.reg;
1318 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1319
1320 } else {
1321 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1322 iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH;
1323 iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD;
1324 iga2_fifo_high_threshold =
1325 K800_IGA2_FIFO_HIGH_THRESHOLD;
1326
1327 /* If resolution > 1280x1024, expire length = 64,
1328 else expire length = 128 */
1329 if ((hor_active > 1280) && (ver_active > 1024))
1330 iga2_display_queue_expire_num = 16;
1331 else
1332 iga2_display_queue_expire_num =
1333 K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1334 }
1335
1336 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1337 iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH;
1338 iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD;
1339 iga2_fifo_high_threshold =
1340 P880_IGA2_FIFO_HIGH_THRESHOLD;
1341
1342 /* If resolution > 1280x1024, expire length = 64,
1343 else expire length = 128 */
1344 if ((hor_active > 1280) && (ver_active > 1024))
1345 iga2_display_queue_expire_num = 16;
1346 else
1347 iga2_display_queue_expire_num =
1348 P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1349 }
1350
1351 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1352 iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH;
1353 iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD;
1354 iga2_fifo_high_threshold =
1355 CN700_IGA2_FIFO_HIGH_THRESHOLD;
1356
1357 /* If resolution > 1280x1024, expire length = 64,
1358 else expire length = 128 */
1359 if ((hor_active > 1280) && (ver_active > 1024))
1360 iga2_display_queue_expire_num = 16;
1361 else
1362 iga2_display_queue_expire_num =
1363 CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1364 }
1365
1366 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1367 iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH;
1368 iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD;
1369 iga2_fifo_high_threshold =
1370 CX700_IGA2_FIFO_HIGH_THRESHOLD;
1371 iga2_display_queue_expire_num =
1372 CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1373 }
1374
1375 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1376 iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH;
1377 iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD;
1378 iga2_fifo_high_threshold =
1379 K8M890_IGA2_FIFO_HIGH_THRESHOLD;
1380 iga2_display_queue_expire_num =
1381 K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1382 }
1383
1384 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1385 iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH;
1386 iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD;
1387 iga2_fifo_high_threshold =
1388 P4M890_IGA2_FIFO_HIGH_THRESHOLD;
1389 iga2_display_queue_expire_num =
1390 P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1391 }
1392
1393 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1394 iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH;
1395 iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD;
1396 iga2_fifo_high_threshold =
1397 P4M900_IGA2_FIFO_HIGH_THRESHOLD;
1398 iga2_display_queue_expire_num =
1399 P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1400 }
1401
1402 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1403 iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH;
1404 iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD;
1405 iga2_fifo_high_threshold =
1406 VX800_IGA2_FIFO_HIGH_THRESHOLD;
1407 iga2_display_queue_expire_num =
1408 VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1409 }
1410
1411 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1412 /* Set Display FIFO Depath Select */
1413 reg_value =
1414 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth)
1415 - 1;
1416 /* Patch LCD in IGA2 case */
1417 viafb_load_reg_num =
1418 display_fifo_depth_reg.
1419 iga2_fifo_depth_select_reg.reg_num;
1420 reg =
1421 display_fifo_depth_reg.
1422 iga2_fifo_depth_select_reg.reg;
1423 viafb_load_reg(reg_value,
1424 viafb_load_reg_num, reg, VIACR);
1425 } else {
1426
1427 /* Set Display FIFO Depath Select */
1428 reg_value =
1429 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth);
1430 viafb_load_reg_num =
1431 display_fifo_depth_reg.
1432 iga2_fifo_depth_select_reg.reg_num;
1433 reg =
1434 display_fifo_depth_reg.
1435 iga2_fifo_depth_select_reg.reg;
1436 viafb_load_reg(reg_value,
1437 viafb_load_reg_num, reg, VIACR);
1438 }
1439
1440 /* Set Display FIFO Threshold Select */
1441 reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold);
1442 viafb_load_reg_num =
1443 fifo_threshold_select_reg.
1444 iga2_fifo_threshold_select_reg.reg_num;
1445 reg =
1446 fifo_threshold_select_reg.
1447 iga2_fifo_threshold_select_reg.reg;
1448 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1449
1450 /* Set FIFO High Threshold Select */
1451 reg_value =
1452 IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold);
1453 viafb_load_reg_num =
1454 fifo_high_threshold_select_reg.
1455 iga2_fifo_high_threshold_select_reg.reg_num;
1456 reg =
1457 fifo_high_threshold_select_reg.
1458 iga2_fifo_high_threshold_select_reg.reg;
1459 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1460
1461 /* Set Display Queue Expire Num */
1462 reg_value =
1463 IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1464 (iga2_display_queue_expire_num);
1465 viafb_load_reg_num =
1466 display_queue_expire_num_reg.
1467 iga2_display_queue_expire_num_reg.reg_num;
1468 reg =
1469 display_queue_expire_num_reg.
1470 iga2_display_queue_expire_num_reg.reg;
1471 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1472
1473 }
1474
1475 }
1476
1477 u32 viafb_get_clk_value(int clk)
1478 {
1479 int i;
1480
1481 for (i = 0; i < NUM_TOTAL_PLL_TABLE; i++) {
1482 if (clk == pll_value[i].clk) {
1483 switch (viaparinfo->chip_info->gfx_chip_name) {
1484 case UNICHROME_CLE266:
1485 case UNICHROME_K400:
1486 return pll_value[i].cle266_pll;
1487
1488 case UNICHROME_K800:
1489 case UNICHROME_PM800:
1490 case UNICHROME_CN700:
1491 return pll_value[i].k800_pll;
1492
1493 case UNICHROME_CX700:
1494 case UNICHROME_K8M890:
1495 case UNICHROME_P4M890:
1496 case UNICHROME_P4M900:
1497 case UNICHROME_VX800:
1498 return pll_value[i].cx700_pll;
1499 }
1500 }
1501 }
1502
1503 DEBUG_MSG(KERN_INFO "Can't find match PLL value\n\n");
1504 return 0;
1505 }
1506
1507 /* Set VCLK*/
1508 void viafb_set_vclock(u32 CLK, int set_iga)
1509 {
1510 unsigned char RegTemp;
1511
1512 /* H.W. Reset : ON */
1513 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1514
1515 if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) {
1516 /* Change D,N FOR VCLK */
1517 switch (viaparinfo->chip_info->gfx_chip_name) {
1518 case UNICHROME_CLE266:
1519 case UNICHROME_K400:
1520 viafb_write_reg(SR46, VIASR, CLK / 0x100);
1521 viafb_write_reg(SR47, VIASR, CLK % 0x100);
1522 break;
1523
1524 case UNICHROME_K800:
1525 case UNICHROME_PM800:
1526 case UNICHROME_CN700:
1527 case UNICHROME_CX700:
1528 case UNICHROME_K8M890:
1529 case UNICHROME_P4M890:
1530 case UNICHROME_P4M900:
1531 case UNICHROME_VX800:
1532 viafb_write_reg(SR44, VIASR, CLK / 0x10000);
1533 DEBUG_MSG(KERN_INFO "\nSR44=%x", CLK / 0x10000);
1534 viafb_write_reg(SR45, VIASR, (CLK & 0xFFFF) / 0x100);
1535 DEBUG_MSG(KERN_INFO "\nSR45=%x",
1536 (CLK & 0xFFFF) / 0x100);
1537 viafb_write_reg(SR46, VIASR, CLK % 0x100);
1538 DEBUG_MSG(KERN_INFO "\nSR46=%x", CLK % 0x100);
1539 break;
1540 }
1541 }
1542
1543 if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) {
1544 /* Change D,N FOR LCK */
1545 switch (viaparinfo->chip_info->gfx_chip_name) {
1546 case UNICHROME_CLE266:
1547 case UNICHROME_K400:
1548 viafb_write_reg(SR44, VIASR, CLK / 0x100);
1549 viafb_write_reg(SR45, VIASR, CLK % 0x100);
1550 break;
1551
1552 case UNICHROME_K800:
1553 case UNICHROME_PM800:
1554 case UNICHROME_CN700:
1555 case UNICHROME_CX700:
1556 case UNICHROME_K8M890:
1557 case UNICHROME_P4M890:
1558 case UNICHROME_P4M900:
1559 case UNICHROME_VX800:
1560 viafb_write_reg(SR4A, VIASR, CLK / 0x10000);
1561 viafb_write_reg(SR4B, VIASR, (CLK & 0xFFFF) / 0x100);
1562 viafb_write_reg(SR4C, VIASR, CLK % 0x100);
1563 break;
1564 }
1565 }
1566
1567 /* H.W. Reset : OFF */
1568 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1569
1570 /* Reset PLL */
1571 if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) {
1572 viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
1573 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
1574 }
1575
1576 if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) {
1577 viafb_write_reg_mask(SR40, VIASR, 0x01, BIT0);
1578 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT0);
1579 }
1580
1581 /* Fire! */
1582 RegTemp = inb(VIARMisc);
1583 outb(RegTemp | (BIT2 + BIT3), VIAWMisc);
1584 }
1585
1586 void viafb_load_crtc_timing(struct display_timing device_timing,
1587 int set_iga)
1588 {
1589 int i;
1590 int viafb_load_reg_num = 0;
1591 int reg_value = 0;
1592 struct io_register *reg = NULL;
1593
1594 viafb_unlock_crt();
1595
1596 for (i = 0; i < 12; i++) {
1597 if (set_iga == IGA1) {
1598 switch (i) {
1599 case H_TOTAL_INDEX:
1600 reg_value =
1601 IGA1_HOR_TOTAL_FORMULA(device_timing.
1602 hor_total);
1603 viafb_load_reg_num =
1604 iga1_crtc_reg.hor_total.reg_num;
1605 reg = iga1_crtc_reg.hor_total.reg;
1606 break;
1607 case H_ADDR_INDEX:
1608 reg_value =
1609 IGA1_HOR_ADDR_FORMULA(device_timing.
1610 hor_addr);
1611 viafb_load_reg_num =
1612 iga1_crtc_reg.hor_addr.reg_num;
1613 reg = iga1_crtc_reg.hor_addr.reg;
1614 break;
1615 case H_BLANK_START_INDEX:
1616 reg_value =
1617 IGA1_HOR_BLANK_START_FORMULA
1618 (device_timing.hor_blank_start);
1619 viafb_load_reg_num =
1620 iga1_crtc_reg.hor_blank_start.reg_num;
1621 reg = iga1_crtc_reg.hor_blank_start.reg;
1622 break;
1623 case H_BLANK_END_INDEX:
1624 reg_value =
1625 IGA1_HOR_BLANK_END_FORMULA
1626 (device_timing.hor_blank_start,
1627 device_timing.hor_blank_end);
1628 viafb_load_reg_num =
1629 iga1_crtc_reg.hor_blank_end.reg_num;
1630 reg = iga1_crtc_reg.hor_blank_end.reg;
1631 break;
1632 case H_SYNC_START_INDEX:
1633 reg_value =
1634 IGA1_HOR_SYNC_START_FORMULA
1635 (device_timing.hor_sync_start);
1636 viafb_load_reg_num =
1637 iga1_crtc_reg.hor_sync_start.reg_num;
1638 reg = iga1_crtc_reg.hor_sync_start.reg;
1639 break;
1640 case H_SYNC_END_INDEX:
1641 reg_value =
1642 IGA1_HOR_SYNC_END_FORMULA
1643 (device_timing.hor_sync_start,
1644 device_timing.hor_sync_end);
1645 viafb_load_reg_num =
1646 iga1_crtc_reg.hor_sync_end.reg_num;
1647 reg = iga1_crtc_reg.hor_sync_end.reg;
1648 break;
1649 case V_TOTAL_INDEX:
1650 reg_value =
1651 IGA1_VER_TOTAL_FORMULA(device_timing.
1652 ver_total);
1653 viafb_load_reg_num =
1654 iga1_crtc_reg.ver_total.reg_num;
1655 reg = iga1_crtc_reg.ver_total.reg;
1656 break;
1657 case V_ADDR_INDEX:
1658 reg_value =
1659 IGA1_VER_ADDR_FORMULA(device_timing.
1660 ver_addr);
1661 viafb_load_reg_num =
1662 iga1_crtc_reg.ver_addr.reg_num;
1663 reg = iga1_crtc_reg.ver_addr.reg;
1664 break;
1665 case V_BLANK_START_INDEX:
1666 reg_value =
1667 IGA1_VER_BLANK_START_FORMULA
1668 (device_timing.ver_blank_start);
1669 viafb_load_reg_num =
1670 iga1_crtc_reg.ver_blank_start.reg_num;
1671 reg = iga1_crtc_reg.ver_blank_start.reg;
1672 break;
1673 case V_BLANK_END_INDEX:
1674 reg_value =
1675 IGA1_VER_BLANK_END_FORMULA
1676 (device_timing.ver_blank_start,
1677 device_timing.ver_blank_end);
1678 viafb_load_reg_num =
1679 iga1_crtc_reg.ver_blank_end.reg_num;
1680 reg = iga1_crtc_reg.ver_blank_end.reg;
1681 break;
1682 case V_SYNC_START_INDEX:
1683 reg_value =
1684 IGA1_VER_SYNC_START_FORMULA
1685 (device_timing.ver_sync_start);
1686 viafb_load_reg_num =
1687 iga1_crtc_reg.ver_sync_start.reg_num;
1688 reg = iga1_crtc_reg.ver_sync_start.reg;
1689 break;
1690 case V_SYNC_END_INDEX:
1691 reg_value =
1692 IGA1_VER_SYNC_END_FORMULA
1693 (device_timing.ver_sync_start,
1694 device_timing.ver_sync_end);
1695 viafb_load_reg_num =
1696 iga1_crtc_reg.ver_sync_end.reg_num;
1697 reg = iga1_crtc_reg.ver_sync_end.reg;
1698 break;
1699
1700 }
1701 }
1702
1703 if (set_iga == IGA2) {
1704 switch (i) {
1705 case H_TOTAL_INDEX:
1706 reg_value =
1707 IGA2_HOR_TOTAL_FORMULA(device_timing.
1708 hor_total);
1709 viafb_load_reg_num =
1710 iga2_crtc_reg.hor_total.reg_num;
1711 reg = iga2_crtc_reg.hor_total.reg;
1712 break;
1713 case H_ADDR_INDEX:
1714 reg_value =
1715 IGA2_HOR_ADDR_FORMULA(device_timing.
1716 hor_addr);
1717 viafb_load_reg_num =
1718 iga2_crtc_reg.hor_addr.reg_num;
1719 reg = iga2_crtc_reg.hor_addr.reg;
1720 break;
1721 case H_BLANK_START_INDEX:
1722 reg_value =
1723 IGA2_HOR_BLANK_START_FORMULA
1724 (device_timing.hor_blank_start);
1725 viafb_load_reg_num =
1726 iga2_crtc_reg.hor_blank_start.reg_num;
1727 reg = iga2_crtc_reg.hor_blank_start.reg;
1728 break;
1729 case H_BLANK_END_INDEX:
1730 reg_value =
1731 IGA2_HOR_BLANK_END_FORMULA
1732 (device_timing.hor_blank_start,
1733 device_timing.hor_blank_end);
1734 viafb_load_reg_num =
1735 iga2_crtc_reg.hor_blank_end.reg_num;
1736 reg = iga2_crtc_reg.hor_blank_end.reg;
1737 break;
1738 case H_SYNC_START_INDEX:
1739 reg_value =
1740 IGA2_HOR_SYNC_START_FORMULA
1741 (device_timing.hor_sync_start);
1742 if (UNICHROME_CN700 <=
1743 viaparinfo->chip_info->gfx_chip_name)
1744 viafb_load_reg_num =
1745 iga2_crtc_reg.hor_sync_start.
1746 reg_num;
1747 else
1748 viafb_load_reg_num = 3;
1749 reg = iga2_crtc_reg.hor_sync_start.reg;
1750 break;
1751 case H_SYNC_END_INDEX:
1752 reg_value =
1753 IGA2_HOR_SYNC_END_FORMULA
1754 (device_timing.hor_sync_start,
1755 device_timing.hor_sync_end);
1756 viafb_load_reg_num =
1757 iga2_crtc_reg.hor_sync_end.reg_num;
1758 reg = iga2_crtc_reg.hor_sync_end.reg;
1759 break;
1760 case V_TOTAL_INDEX:
1761 reg_value =
1762 IGA2_VER_TOTAL_FORMULA(device_timing.
1763 ver_total);
1764 viafb_load_reg_num =
1765 iga2_crtc_reg.ver_total.reg_num;
1766 reg = iga2_crtc_reg.ver_total.reg;
1767 break;
1768 case V_ADDR_INDEX:
1769 reg_value =
1770 IGA2_VER_ADDR_FORMULA(device_timing.
1771 ver_addr);
1772 viafb_load_reg_num =
1773 iga2_crtc_reg.ver_addr.reg_num;
1774 reg = iga2_crtc_reg.ver_addr.reg;
1775 break;
1776 case V_BLANK_START_INDEX:
1777 reg_value =
1778 IGA2_VER_BLANK_START_FORMULA
1779 (device_timing.ver_blank_start);
1780 viafb_load_reg_num =
1781 iga2_crtc_reg.ver_blank_start.reg_num;
1782 reg = iga2_crtc_reg.ver_blank_start.reg;
1783 break;
1784 case V_BLANK_END_INDEX:
1785 reg_value =
1786 IGA2_VER_BLANK_END_FORMULA
1787 (device_timing.ver_blank_start,
1788 device_timing.ver_blank_end);
1789 viafb_load_reg_num =
1790 iga2_crtc_reg.ver_blank_end.reg_num;
1791 reg = iga2_crtc_reg.ver_blank_end.reg;
1792 break;
1793 case V_SYNC_START_INDEX:
1794 reg_value =
1795 IGA2_VER_SYNC_START_FORMULA
1796 (device_timing.ver_sync_start);
1797 viafb_load_reg_num =
1798 iga2_crtc_reg.ver_sync_start.reg_num;
1799 reg = iga2_crtc_reg.ver_sync_start.reg;
1800 break;
1801 case V_SYNC_END_INDEX:
1802 reg_value =
1803 IGA2_VER_SYNC_END_FORMULA
1804 (device_timing.ver_sync_start,
1805 device_timing.ver_sync_end);
1806 viafb_load_reg_num =
1807 iga2_crtc_reg.ver_sync_end.reg_num;
1808 reg = iga2_crtc_reg.ver_sync_end.reg;
1809 break;
1810
1811 }
1812 }
1813 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1814 }
1815
1816 viafb_lock_crt();
1817 }
1818
1819 void viafb_set_color_depth(int bpp_byte, int set_iga)
1820 {
1821 if (set_iga == IGA1) {
1822 switch (bpp_byte) {
1823 case MODE_8BPP:
1824 viafb_write_reg_mask(SR15, VIASR, 0x22, 0x7E);
1825 break;
1826 case MODE_16BPP:
1827 viafb_write_reg_mask(SR15, VIASR, 0xB6, 0xFE);
1828 break;
1829 case MODE_32BPP:
1830 viafb_write_reg_mask(SR15, VIASR, 0xAE, 0xFE);
1831 break;
1832 }
1833 } else {
1834 switch (bpp_byte) {
1835 case MODE_8BPP:
1836 viafb_write_reg_mask(CR67, VIACR, 0x00, BIT6 + BIT7);
1837 break;
1838 case MODE_16BPP:
1839 viafb_write_reg_mask(CR67, VIACR, 0x40, BIT6 + BIT7);
1840 break;
1841 case MODE_32BPP:
1842 viafb_write_reg_mask(CR67, VIACR, 0xC0, BIT6 + BIT7);
1843 break;
1844 }
1845 }
1846 }
1847
1848 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
1849 int mode_index, int bpp_byte, int set_iga)
1850 {
1851 struct VideoModeTable *video_mode;
1852 struct display_timing crt_reg;
1853 int i;
1854 int index = 0;
1855 int h_addr, v_addr;
1856 u32 pll_D_N;
1857
1858 video_mode = &CLE266Modes[search_mode_setting(mode_index)];
1859
1860 for (i = 0; i < video_mode->mode_array; i++) {
1861 index = i;
1862
1863 if (crt_table[i].refresh_rate == viaparinfo->
1864 crt_setting_info->refresh_rate)
1865 break;
1866 }
1867
1868 crt_reg = crt_table[index].crtc;
1869
1870 /* Mode 640x480 has border, but LCD/DFP didn't have border. */
1871 /* So we would delete border. */
1872 if ((viafb_LCD_ON | viafb_DVI_ON) && (mode_index == VIA_RES_640X480)
1873 && (viaparinfo->crt_setting_info->refresh_rate == 60)) {
1874 /* The border is 8 pixels. */
1875 crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
1876
1877 /* Blanking time should add left and right borders. */
1878 crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
1879 }
1880
1881 h_addr = crt_reg.hor_addr;
1882 v_addr = crt_reg.ver_addr;
1883
1884 /* update polarity for CRT timing */
1885 if (crt_table[index].h_sync_polarity == NEGATIVE) {
1886 if (crt_table[index].v_sync_polarity == NEGATIVE)
1887 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) |
1888 (BIT6 + BIT7), VIAWMisc);
1889 else
1890 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT6),
1891 VIAWMisc);
1892 } else {
1893 if (crt_table[index].v_sync_polarity == NEGATIVE)
1894 outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT7),
1895 VIAWMisc);
1896 else
1897 outb((inb(VIARMisc) & (~(BIT6 + BIT7))), VIAWMisc);
1898 }
1899
1900 if (set_iga == IGA1) {
1901 viafb_unlock_crt();
1902 viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */
1903 viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
1904 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1905 }
1906
1907 switch (set_iga) {
1908 case IGA1:
1909 viafb_load_crtc_timing(crt_reg, IGA1);
1910 break;
1911 case IGA2:
1912 viafb_load_crtc_timing(crt_reg, IGA2);
1913 break;
1914 }
1915
1916 load_fix_bit_crtc_reg();
1917 viafb_lock_crt();
1918 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1919 viafb_load_offset_reg(h_addr, bpp_byte, set_iga);
1920 viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
1921
1922 /* load FIFO */
1923 if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
1924 && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
1925 viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
1926
1927 /* load SR Register About Memory and Color part */
1928 viafb_set_color_depth(bpp_byte, set_iga);
1929
1930 pll_D_N = viafb_get_clk_value(crt_table[index].clk);
1931 DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
1932 viafb_set_vclock(pll_D_N, set_iga);
1933
1934 }
1935
1936 void viafb_init_chip_info(void)
1937 {
1938 init_gfx_chip_info();
1939 init_tmds_chip_info();
1940 init_lvds_chip_info();
1941
1942 viaparinfo->crt_setting_info->iga_path = IGA1;
1943 viaparinfo->crt_setting_info->refresh_rate = viafb_refresh;
1944
1945 /*Set IGA path for each device */
1946 viafb_set_iga_path();
1947
1948 viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
1949 viaparinfo->lvds_setting_info->get_lcd_size_method =
1950 GET_LCD_SIZE_BY_USER_SETTING;
1951 viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode;
1952 viaparinfo->lvds_setting_info2->display_method =
1953 viaparinfo->lvds_setting_info->display_method;
1954 viaparinfo->lvds_setting_info2->lcd_mode =
1955 viaparinfo->lvds_setting_info->lcd_mode;
1956 }
1957
1958 void viafb_update_device_setting(int hres, int vres,
1959 int bpp, int vmode_refresh, int flag)
1960 {
1961 if (flag == 0) {
1962 viaparinfo->crt_setting_info->h_active = hres;
1963 viaparinfo->crt_setting_info->v_active = vres;
1964 viaparinfo->crt_setting_info->bpp = bpp;
1965 viaparinfo->crt_setting_info->refresh_rate =
1966 vmode_refresh;
1967
1968 viaparinfo->tmds_setting_info->h_active = hres;
1969 viaparinfo->tmds_setting_info->v_active = vres;
1970 viaparinfo->tmds_setting_info->bpp = bpp;
1971 viaparinfo->tmds_setting_info->refresh_rate =
1972 vmode_refresh;
1973
1974 viaparinfo->lvds_setting_info->h_active = hres;
1975 viaparinfo->lvds_setting_info->v_active = vres;
1976 viaparinfo->lvds_setting_info->bpp = bpp;
1977 viaparinfo->lvds_setting_info->refresh_rate =
1978 vmode_refresh;
1979 viaparinfo->lvds_setting_info2->h_active = hres;
1980 viaparinfo->lvds_setting_info2->v_active = vres;
1981 viaparinfo->lvds_setting_info2->bpp = bpp;
1982 viaparinfo->lvds_setting_info2->refresh_rate =
1983 vmode_refresh;
1984 } else {
1985
1986 if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
1987 viaparinfo->tmds_setting_info->h_active = hres;
1988 viaparinfo->tmds_setting_info->v_active = vres;
1989 viaparinfo->tmds_setting_info->bpp = bpp;
1990 viaparinfo->tmds_setting_info->refresh_rate =
1991 vmode_refresh;
1992 }
1993
1994 if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
1995 viaparinfo->lvds_setting_info->h_active = hres;
1996 viaparinfo->lvds_setting_info->v_active = vres;
1997 viaparinfo->lvds_setting_info->bpp = bpp;
1998 viaparinfo->lvds_setting_info->refresh_rate =
1999 vmode_refresh;
2000 }
2001 if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) {
2002 viaparinfo->lvds_setting_info2->h_active = hres;
2003 viaparinfo->lvds_setting_info2->v_active = vres;
2004 viaparinfo->lvds_setting_info2->bpp = bpp;
2005 viaparinfo->lvds_setting_info2->refresh_rate =
2006 vmode_refresh;
2007 }
2008 }
2009 }
2010
2011 static void init_gfx_chip_info(void)
2012 {
2013 struct pci_dev *pdev = NULL;
2014 u32 i;
2015 u8 tmp;
2016
2017 /* Indentify GFX Chip Name */
2018 for (i = 0; pciidlist[i].vendor != 0; i++) {
2019 pdev = pci_get_device(pciidlist[i].vendor,
2020 pciidlist[i].device, 0);
2021 if (pdev)
2022 break;
2023 }
2024
2025 if (!pciidlist[i].vendor)
2026 return ;
2027
2028 viaparinfo->chip_info->gfx_chip_name = pciidlist[i].chip_index;
2029
2030 /* Check revision of CLE266 Chip */
2031 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
2032 /* CR4F only define in CLE266.CX chip */
2033 tmp = viafb_read_reg(VIACR, CR4F);
2034 viafb_write_reg(CR4F, VIACR, 0x55);
2035 if (viafb_read_reg(VIACR, CR4F) != 0x55)
2036 viaparinfo->chip_info->gfx_chip_revision =
2037 CLE266_REVISION_AX;
2038 else
2039 viaparinfo->chip_info->gfx_chip_revision =
2040 CLE266_REVISION_CX;
2041 /* restore orignal CR4F value */
2042 viafb_write_reg(CR4F, VIACR, tmp);
2043 }
2044
2045 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
2046 tmp = viafb_read_reg(VIASR, SR43);
2047 DEBUG_MSG(KERN_INFO "SR43:%X\n", tmp);
2048 if (tmp & 0x02) {
2049 viaparinfo->chip_info->gfx_chip_revision =
2050 CX700_REVISION_700M2;
2051 } else if (tmp & 0x40) {
2052 viaparinfo->chip_info->gfx_chip_revision =
2053 CX700_REVISION_700M;
2054 } else {
2055 viaparinfo->chip_info->gfx_chip_revision =
2056 CX700_REVISION_700;
2057 }
2058 }
2059
2060 pci_dev_put(pdev);
2061 }
2062
2063 static void init_tmds_chip_info(void)
2064 {
2065 viafb_tmds_trasmitter_identify();
2066
2067 if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info.
2068 output_interface) {
2069 switch (viaparinfo->chip_info->gfx_chip_name) {
2070 case UNICHROME_CX700:
2071 {
2072 /* we should check support by hardware layout.*/
2073 if ((viafb_display_hardware_layout ==
2074 HW_LAYOUT_DVI_ONLY)
2075 || (viafb_display_hardware_layout ==
2076 HW_LAYOUT_LCD_DVI)) {
2077 viaparinfo->chip_info->tmds_chip_info.
2078 output_interface = INTERFACE_TMDS;
2079 } else {
2080 viaparinfo->chip_info->tmds_chip_info.
2081 output_interface =
2082 INTERFACE_NONE;
2083 }
2084 break;
2085 }
2086 case UNICHROME_K8M890:
2087 case UNICHROME_P4M900:
2088 case UNICHROME_P4M890:
2089 /* TMDS on PCIE, we set DFPLOW as default. */
2090 viaparinfo->chip_info->tmds_chip_info.output_interface =
2091 INTERFACE_DFP_LOW;
2092 break;
2093 default:
2094 {
2095 /* set DVP1 default for DVI */
2096 viaparinfo->chip_info->tmds_chip_info
2097 .output_interface = INTERFACE_DVP1;
2098 }
2099 }
2100 }
2101
2102 DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n",
2103 viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
2104 viaparinfo->tmds_setting_info->get_dvi_size_method =
2105 GET_DVI_SIZE_BY_VGA_BIOS;
2106 viafb_init_dvi_size();
2107 }
2108
2109 static void init_lvds_chip_info(void)
2110 {
2111 if (viafb_lcd_panel_id > LCD_PANEL_ID_MAXIMUM)
2112 viaparinfo->lvds_setting_info->get_lcd_size_method =
2113 GET_LCD_SIZE_BY_VGA_BIOS;
2114 else
2115 viaparinfo->lvds_setting_info->get_lcd_size_method =
2116 GET_LCD_SIZE_BY_USER_SETTING;
2117
2118 viafb_lvds_trasmitter_identify();
2119 viafb_init_lcd_size();
2120 viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info,
2121 viaparinfo->lvds_setting_info);
2122 if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2123 viafb_init_lvds_output_interface(&viaparinfo->chip_info->
2124 lvds_chip_info2, viaparinfo->lvds_setting_info2);
2125 }
2126 /*If CX700,two singel LCD, we need to reassign
2127 LCD interface to different LVDS port */
2128 if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name)
2129 && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) {
2130 if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info.
2131 lvds_chip_name) && (INTEGRATED_LVDS ==
2132 viaparinfo->chip_info->
2133 lvds_chip_info2.lvds_chip_name)) {
2134 viaparinfo->chip_info->lvds_chip_info.output_interface =
2135 INTERFACE_LVDS0;
2136 viaparinfo->chip_info->lvds_chip_info2.
2137 output_interface =
2138 INTERFACE_LVDS1;
2139 }
2140 }
2141
2142 DEBUG_MSG(KERN_INFO "LVDS Chip = %d\n",
2143 viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
2144 DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n",
2145 viaparinfo->chip_info->lvds_chip_info.output_interface);
2146 DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n",
2147 viaparinfo->chip_info->lvds_chip_info.output_interface);
2148 }
2149
2150 void viafb_init_dac(int set_iga)
2151 {
2152 int i;
2153 u8 tmp;
2154
2155 if (set_iga == IGA1) {
2156 /* access Primary Display's LUT */
2157 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2158 /* turn off LCK */
2159 viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6);
2160 for (i = 0; i < 256; i++) {
2161 write_dac_reg(i, palLUT_table[i].red,
2162 palLUT_table[i].green,
2163 palLUT_table[i].blue);
2164 }
2165 /* turn on LCK */
2166 viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6);
2167 } else {
2168 tmp = viafb_read_reg(VIACR, CR6A);
2169 /* access Secondary Display's LUT */
2170 viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6);
2171 viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
2172 for (i = 0; i < 256; i++) {
2173 write_dac_reg(i, palLUT_table[i].red,
2174 palLUT_table[i].green,
2175 palLUT_table[i].blue);
2176 }
2177 /* set IGA1 DAC for default */
2178 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2179 viafb_write_reg(CR6A, VIACR, tmp);
2180 }
2181 }
2182
2183 static void device_screen_off(void)
2184 {
2185 /* turn off CRT screen (IGA1) */
2186 viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5);
2187 }
2188
2189 static void device_screen_on(void)
2190 {
2191 /* turn on CRT screen (IGA1) */
2192 viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5);
2193 }
2194
2195 static void set_display_channel(void)
2196 {
2197 /*If viafb_LCD2_ON, on cx700, internal lvds's information
2198 is keeped on lvds_setting_info2 */
2199 if (viafb_LCD2_ON &&
2200 viaparinfo->lvds_setting_info2->device_lcd_dualedge) {
2201 /* For dual channel LCD: */
2202 /* Set to Dual LVDS channel. */
2203 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2204 } else if (viafb_LCD_ON && viafb_DVI_ON) {
2205 /* For LCD+DFP: */
2206 /* Set to LVDS1 + TMDS channel. */
2207 viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5);
2208 } else if (viafb_DVI_ON) {
2209 /* Set to single TMDS channel. */
2210 viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5);
2211 } else if (viafb_LCD_ON) {
2212 if (viaparinfo->lvds_setting_info->device_lcd_dualedge) {
2213 /* For dual channel LCD: */
2214 /* Set to Dual LVDS channel. */
2215 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2216 } else {
2217 /* Set to LVDS0 + LVDS1 channel. */
2218 viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5);
2219 }
2220 }
2221 }
2222
2223 int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
2224 int vmode_index1, int hor_res1, int ver_res1, int video_bpp1)
2225 {
2226 int i, j;
2227 int port;
2228 u8 value, index, mask;
2229 struct VideoModeTable *vmode_tbl;
2230 struct crt_mode_table *crt_timing;
2231 struct VideoModeTable *vmode_tbl1 = NULL;
2232 struct crt_mode_table *crt_timing1 = NULL;
2233
2234 DEBUG_MSG(KERN_INFO "Set Mode!!\n");
2235 DEBUG_MSG(KERN_INFO
2236 "vmode_index=%d hor_res=%d ver_res=%d video_bpp=%d\n",
2237 vmode_index, hor_res, ver_res, video_bpp);
2238
2239 device_screen_off();
2240 vmode_tbl = &CLE266Modes[search_mode_setting(vmode_index)];
2241 crt_timing = vmode_tbl->crtc;
2242
2243 if (viafb_SAMM_ON == 1) {
2244 vmode_tbl1 = &CLE266Modes[search_mode_setting(vmode_index1)];
2245 crt_timing1 = vmode_tbl1->crtc;
2246 }
2247
2248 inb(VIAStatus);
2249 outb(0x00, VIAAR);
2250
2251 /* Write Common Setting for Video Mode */
2252 switch (viaparinfo->chip_info->gfx_chip_name) {
2253 case UNICHROME_CLE266:
2254 viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs);
2255 break;
2256
2257 case UNICHROME_K400:
2258 viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs);
2259 break;
2260
2261 case UNICHROME_K800:
2262 case UNICHROME_PM800:
2263 viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs);
2264 break;
2265
2266 case UNICHROME_CN700:
2267 case UNICHROME_K8M890:
2268 case UNICHROME_P4M890:
2269 case UNICHROME_P4M900:
2270 viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs);
2271 break;
2272
2273 case UNICHROME_CX700:
2274 viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs);
2275
2276 case UNICHROME_VX800:
2277 viafb_write_regx(VX800_ModeXregs, NUM_TOTAL_VX800_ModeXregs);
2278
2279 break;
2280 }
2281
2282 device_off();
2283
2284 /* Fill VPIT Parameters */
2285 /* Write Misc Register */
2286 outb(VPIT.Misc, VIAWMisc);
2287
2288 /* Write Sequencer */
2289 for (i = 1; i <= StdSR; i++) {
2290 outb(i, VIASR);
2291 outb(VPIT.SR[i - 1], VIASR + 1);
2292 }
2293
2294 viafb_set_start_addr();
2295 viafb_set_iga_path();
2296
2297 /* Write CRTC */
2298 viafb_fill_crtc_timing(crt_timing, vmode_index, video_bpp / 8, IGA1);
2299
2300 /* Write Graphic Controller */
2301 for (i = 0; i < StdGR; i++) {
2302 outb(i, VIAGR);
2303 outb(VPIT.GR[i], VIAGR + 1);
2304 }
2305
2306 /* Write Attribute Controller */
2307 for (i = 0; i < StdAR; i++) {
2308 inb(VIAStatus);
2309 outb(i, VIAAR);
2310 outb(VPIT.AR[i], VIAAR);
2311 }
2312
2313 inb(VIAStatus);
2314 outb(0x20, VIAAR);
2315
2316 /* Update Patch Register */
2317
2318 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
2319 || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)) {
2320 for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) {
2321 if (res_patch_table[i].mode_index == vmode_index) {
2322 for (j = 0;
2323 j < res_patch_table[i].table_length; j++) {
2324 index =
2325 res_patch_table[i].
2326 io_reg_table[j].index;
2327 port =
2328 res_patch_table[i].
2329 io_reg_table[j].port;
2330 value =
2331 res_patch_table[i].
2332 io_reg_table[j].value;
2333 mask =
2334 res_patch_table[i].
2335 io_reg_table[j].mask;
2336 viafb_write_reg_mask(index, port, value,
2337 mask);
2338 }
2339 }
2340 }
2341 }
2342
2343 if (viafb_SAMM_ON == 1) {
2344 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
2345 || (viaparinfo->chip_info->gfx_chip_name ==
2346 UNICHROME_K400)) {
2347 for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) {
2348 if (res_patch_table[i].mode_index ==
2349 vmode_index1) {
2350 for (j = 0;
2351 j <
2352 res_patch_table[i].
2353 table_length; j++) {
2354 index =
2355 res_patch_table[i].
2356 io_reg_table[j].index;
2357 port =
2358 res_patch_table[i].
2359 io_reg_table[j].port;
2360 value =
2361 res_patch_table[i].
2362 io_reg_table[j].value;
2363 mask =
2364 res_patch_table[i].
2365 io_reg_table[j].mask;
2366 viafb_write_reg_mask(index,
2367 port, value, mask);
2368 }
2369 }
2370 }
2371 }
2372 }
2373
2374 /* Update Refresh Rate Setting */
2375
2376 /* Clear On Screen */
2377
2378 /* CRT set mode */
2379 if (viafb_CRT_ON) {
2380 if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
2381 IGA2)) {
2382 viafb_fill_crtc_timing(crt_timing1, vmode_index1,
2383 video_bpp1 / 8,
2384 viaparinfo->crt_setting_info->iga_path);
2385 } else {
2386 viafb_fill_crtc_timing(crt_timing, vmode_index,
2387 video_bpp / 8,
2388 viaparinfo->crt_setting_info->iga_path);
2389 }
2390
2391 set_crt_output_path(viaparinfo->crt_setting_info->iga_path);
2392
2393 /* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
2394 to 8 alignment (1368),there is several pixels (2 pixels)
2395 on right side of screen. */
2396 if (hor_res % 8) {
2397 viafb_unlock_crt();
2398 viafb_write_reg(CR02, VIACR,
2399 viafb_read_reg(VIACR, CR02) - 1);
2400 viafb_lock_crt();
2401 }
2402 }
2403
2404 if (viafb_DVI_ON) {
2405 if (viafb_SAMM_ON &&
2406 (viaparinfo->tmds_setting_info->iga_path == IGA2)) {
2407 viafb_dvi_set_mode(viafb_get_mode_index
2408 (viaparinfo->tmds_setting_info->h_active,
2409 viaparinfo->tmds_setting_info->
2410 v_active, 1),
2411 video_bpp1, viaparinfo->
2412 tmds_setting_info->iga_path);
2413 } else {
2414 viafb_dvi_set_mode(viafb_get_mode_index
2415 (viaparinfo->tmds_setting_info->h_active,
2416 viaparinfo->
2417 tmds_setting_info->v_active, 0),
2418 video_bpp, viaparinfo->
2419 tmds_setting_info->iga_path);
2420 }
2421 }
2422
2423 if (viafb_LCD_ON) {
2424 if (viafb_SAMM_ON &&
2425 (viaparinfo->lvds_setting_info->iga_path == IGA2)) {
2426 viaparinfo->lvds_setting_info->bpp = video_bpp1;
2427 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2428 lvds_setting_info,
2429 &viaparinfo->chip_info->lvds_chip_info);
2430 } else {
2431 /* IGA1 doesn't have LCD scaling, so set it center. */
2432 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
2433 viaparinfo->lvds_setting_info->display_method =
2434 LCD_CENTERING;
2435 }
2436 viaparinfo->lvds_setting_info->bpp = video_bpp;
2437 viafb_lcd_set_mode(crt_timing, viaparinfo->
2438 lvds_setting_info,
2439 &viaparinfo->chip_info->lvds_chip_info);
2440 }
2441 }
2442 if (viafb_LCD2_ON) {
2443 if (viafb_SAMM_ON &&
2444 (viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
2445 viaparinfo->lvds_setting_info2->bpp = video_bpp1;
2446 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2447 lvds_setting_info2,
2448 &viaparinfo->chip_info->lvds_chip_info2);
2449 } else {
2450 /* IGA1 doesn't have LCD scaling, so set it center. */
2451 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
2452 viaparinfo->lvds_setting_info2->display_method =
2453 LCD_CENTERING;
2454 }
2455 viaparinfo->lvds_setting_info2->bpp = video_bpp;
2456 viafb_lcd_set_mode(crt_timing, viaparinfo->
2457 lvds_setting_info2,
2458 &viaparinfo->chip_info->lvds_chip_info2);
2459 }
2460 }
2461
2462 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700)
2463 && (viafb_LCD_ON || viafb_DVI_ON))
2464 set_display_channel();
2465
2466 /* If set mode normally, save resolution information for hot-plug . */
2467 if (!viafb_hotplug) {
2468 viafb_hotplug_Xres = hor_res;
2469 viafb_hotplug_Yres = ver_res;
2470 viafb_hotplug_bpp = video_bpp;
2471 viafb_hotplug_refresh = viafb_refresh;
2472
2473 if (viafb_DVI_ON)
2474 viafb_DeviceStatus = DVI_Device;
2475 else
2476 viafb_DeviceStatus = CRT_Device;
2477 }
2478 device_on();
2479
2480 if (viafb_SAMM_ON == 1)
2481 viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
2482
2483 device_screen_on();
2484 return 1;
2485 }
2486
2487 int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
2488 {
2489 int i;
2490
2491 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2492 if ((hres == res_map_refresh_tbl[i].hres)
2493 && (vres == res_map_refresh_tbl[i].vres)
2494 && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
2495 return res_map_refresh_tbl[i].pixclock;
2496 }
2497 return RES_640X480_60HZ_PIXCLOCK;
2498
2499 }
2500
2501 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
2502 {
2503 #define REFRESH_TOLERANCE 3
2504 int i, nearest = -1, diff = REFRESH_TOLERANCE;
2505 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2506 if ((hres == res_map_refresh_tbl[i].hres)
2507 && (vres == res_map_refresh_tbl[i].vres)
2508 && (diff > (abs(long_refresh -
2509 res_map_refresh_tbl[i].vmode_refresh)))) {
2510 diff = abs(long_refresh - res_map_refresh_tbl[i].
2511 vmode_refresh);
2512 nearest = i;
2513 }
2514 }
2515 #undef REFRESH_TOLERANCE
2516 if (nearest > 0)
2517 return res_map_refresh_tbl[nearest].vmode_refresh;
2518 return 60;
2519 }
2520
2521 static void device_off(void)
2522 {
2523 viafb_crt_disable();
2524 viafb_dvi_disable();
2525 viafb_lcd_disable();
2526 }
2527
2528 static void device_on(void)
2529 {
2530 if (viafb_CRT_ON == 1)
2531 viafb_crt_enable();
2532 if (viafb_DVI_ON == 1)
2533 viafb_dvi_enable();
2534 if (viafb_LCD_ON == 1)
2535 viafb_lcd_enable();
2536 }
2537
2538 void viafb_crt_disable(void)
2539 {
2540 viafb_write_reg_mask(CR36, VIACR, BIT5 + BIT4, BIT5 + BIT4);
2541 }
2542
2543 void viafb_crt_enable(void)
2544 {
2545 viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4);
2546 }
2547
2548 void viafb_get_mmio_info(unsigned long *mmio_base,
2549 unsigned long *mmio_len)
2550 {
2551 struct pci_dev *pdev = NULL;
2552 u32 vendor, device;
2553 u32 i;
2554
2555 for (i = 0; pciidlist[i].vendor != 0; i++)
2556 if (viaparinfo->chip_info->gfx_chip_name ==
2557 pciidlist[i].chip_index)
2558 break;
2559
2560 if (!pciidlist[i].vendor)
2561 return ;
2562
2563 vendor = pciidlist[i].vendor;
2564 device = pciidlist[i].device;
2565
2566 pdev = pci_get_device(vendor, device, NULL);
2567
2568 if (!pdev) {
2569 *mmio_base = 0;
2570 *mmio_len = 0;
2571 return ;
2572 }
2573
2574 *mmio_base = pci_resource_start(pdev, 1);
2575 *mmio_len = pci_resource_len(pdev, 1);
2576
2577 pci_dev_put(pdev);
2578 }
2579
2580 static void enable_second_display_channel(void)
2581 {
2582 /* to enable second display channel. */
2583 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2584 viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7);
2585 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2586 }
2587
2588 static void disable_second_display_channel(void)
2589 {
2590 /* to disable second display channel. */
2591 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2592 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7);
2593 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2594 }
2595
2596 void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len)
2597 {
2598 struct pci_dev *pdev = NULL;
2599 u32 vendor, device;
2600 u32 i;
2601
2602 for (i = 0; pciidlist[i].vendor != 0; i++)
2603 if (viaparinfo->chip_info->gfx_chip_name ==
2604 pciidlist[i].chip_index)
2605 break;
2606
2607 if (!pciidlist[i].vendor)
2608 return ;
2609
2610 vendor = pciidlist[i].vendor;
2611 device = pciidlist[i].device;
2612
2613 pdev = pci_get_device(vendor, device, NULL);
2614
2615 if (!pdev) {
2616 *fb_base = viafb_read_reg(VIASR, SR30) << 24;
2617 *fb_len = viafb_get_memsize();
2618 DEBUG_MSG(KERN_INFO "Get FB info from SR30!\n");
2619 DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base);
2620 DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len);
2621 return ;
2622 }
2623
2624 *fb_base = (unsigned int)pci_resource_start(pdev, 0);
2625 *fb_len = get_fb_size_from_pci();
2626 DEBUG_MSG(KERN_INFO "Get FB info from PCI system!\n");
2627 DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base);
2628 DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len);
2629
2630 pci_dev_put(pdev);
2631 }
2632
2633 static int get_fb_size_from_pci(void)
2634 {
2635 unsigned long configid, deviceid, FBSize = 0;
2636 int VideoMemSize;
2637 int DeviceFound = false;
2638
2639 for (configid = 0x80000000; configid < 0x80010800; configid += 0x100) {
2640 outl(configid, (unsigned long)0xCF8);
2641 deviceid = (inl((unsigned long)0xCFC) >> 16) & 0xffff;
2642
2643 switch (deviceid) {
2644 case CLE266:
2645 case KM400:
2646 outl(configid + 0xE0, (unsigned long)0xCF8);
2647 FBSize = inl((unsigned long)0xCFC);
2648 DeviceFound = true; /* Found device id */
2649 break;
2650
2651 case CN400_FUNCTION3:
2652 case CN700_FUNCTION3:
2653 case CX700_FUNCTION3:
2654 case KM800_FUNCTION3:
2655 case KM890_FUNCTION3:
2656 case P4M890_FUNCTION3:
2657 case P4M900_FUNCTION3:
2658 case VX800_FUNCTION3:
2659 /*case CN750_FUNCTION3: */
2660 outl(configid + 0xA0, (unsigned long)0xCF8);
2661 FBSize = inl((unsigned long)0xCFC);
2662 DeviceFound = true; /* Found device id */
2663 break;
2664
2665 default:
2666 break;
2667 }
2668
2669 if (DeviceFound)
2670 break;
2671 }
2672
2673 DEBUG_MSG(KERN_INFO "Device ID = %lx\n", deviceid);
2674
2675 FBSize = FBSize & 0x00007000;
2676 DEBUG_MSG(KERN_INFO "FB Size = %x\n", FBSize);
2677
2678 if (viaparinfo->chip_info->gfx_chip_name < UNICHROME_CX700) {
2679 switch (FBSize) {
2680 case 0x00004000:
2681 VideoMemSize = (16 << 20); /*16M */
2682 break;
2683
2684 case 0x00005000:
2685 VideoMemSize = (32 << 20); /*32M */
2686 break;
2687
2688 case 0x00006000:
2689 VideoMemSize = (64 << 20); /*64M */
2690 break;
2691
2692 default:
2693 VideoMemSize = (32 << 20); /*32M */
2694 break;
2695 }
2696 } else {
2697 switch (FBSize) {
2698 case 0x00001000:
2699 VideoMemSize = (8 << 20); /*8M */
2700 break;
2701
2702 case 0x00002000:
2703 VideoMemSize = (16 << 20); /*16M */
2704 break;
2705
2706 case 0x00003000:
2707 VideoMemSize = (32 << 20); /*32M */
2708 break;
2709
2710 case 0x00004000:
2711 VideoMemSize = (64 << 20); /*64M */
2712 break;
2713
2714 case 0x00005000:
2715 VideoMemSize = (128 << 20); /*128M */
2716 break;
2717
2718 case 0x00006000:
2719 VideoMemSize = (256 << 20); /*256M */
2720 break;
2721
2722 default:
2723 VideoMemSize = (32 << 20); /*32M */
2724 break;
2725 }
2726 }
2727
2728 return VideoMemSize;
2729 }
2730
2731 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
2732 *p_gfx_dpa_setting)
2733 {
2734 switch (output_interface) {
2735 case INTERFACE_DVP0:
2736 {
2737 /* DVP0 Clock Polarity and Adjust: */
2738 viafb_write_reg_mask(CR96, VIACR,
2739 p_gfx_dpa_setting->DVP0, 0x0F);
2740
2741 /* DVP0 Clock and Data Pads Driving: */
2742 viafb_write_reg_mask(SR1E, VIASR,
2743 p_gfx_dpa_setting->DVP0ClockDri_S, BIT2);
2744 viafb_write_reg_mask(SR2A, VIASR,
2745 p_gfx_dpa_setting->DVP0ClockDri_S1,
2746 BIT4);
2747 viafb_write_reg_mask(SR1B, VIASR,
2748 p_gfx_dpa_setting->DVP0DataDri_S, BIT1);
2749 viafb_write_reg_mask(SR2A, VIASR,
2750 p_gfx_dpa_setting->DVP0DataDri_S1, BIT5);
2751 break;
2752 }
2753
2754 case INTERFACE_DVP1:
2755 {
2756 /* DVP1 Clock Polarity and Adjust: */
2757 viafb_write_reg_mask(CR9B, VIACR,
2758 p_gfx_dpa_setting->DVP1, 0x0F);
2759
2760 /* DVP1 Clock and Data Pads Driving: */
2761 viafb_write_reg_mask(SR65, VIASR,
2762 p_gfx_dpa_setting->DVP1Driving, 0x0F);
2763 break;
2764 }
2765
2766 case INTERFACE_DFP_HIGH:
2767 {
2768 viafb_write_reg_mask(CR97, VIACR,
2769 p_gfx_dpa_setting->DFPHigh, 0x0F);
2770 break;
2771 }
2772
2773 case INTERFACE_DFP_LOW:
2774 {
2775 viafb_write_reg_mask(CR99, VIACR,
2776 p_gfx_dpa_setting->DFPLow, 0x0F);
2777 break;
2778 }
2779
2780 case INTERFACE_DFP:
2781 {
2782 viafb_write_reg_mask(CR97, VIACR,
2783 p_gfx_dpa_setting->DFPHigh, 0x0F);
2784 viafb_write_reg_mask(CR99, VIACR,
2785 p_gfx_dpa_setting->DFPLow, 0x0F);
2786 break;
2787 }
2788 }
2789 }
2790
2791 void viafb_memory_pitch_patch(struct fb_info *info)
2792 {
2793 if (info->var.xres != info->var.xres_virtual) {
2794 viafb_load_offset_reg(info->var.xres_virtual,
2795 info->var.bits_per_pixel >> 3, IGA1);
2796
2797 if (viafb_SAMM_ON) {
2798 viafb_load_offset_reg(viafb_second_virtual_xres,
2799 viafb_bpp1 >> 3,
2800 IGA2);
2801 } else {
2802 viafb_load_offset_reg(info->var.xres_virtual,
2803 info->var.bits_per_pixel >> 3, IGA2);
2804 }
2805
2806 }
2807 }
2808
2809 /*According var's xres, yres fill var's other timing information*/
2810 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
2811 int mode_index)
2812 {
2813 struct VideoModeTable *vmode_tbl = NULL;
2814 struct crt_mode_table *crt_timing = NULL;
2815 struct display_timing crt_reg;
2816 int i = 0, index = 0;
2817 vmode_tbl = &CLE266Modes[search_mode_setting(mode_index)];
2818 crt_timing = vmode_tbl->crtc;
2819 for (i = 0; i < vmode_tbl->mode_array; i++) {
2820 index = i;
2821 if (crt_timing[i].refresh_rate == refresh)
2822 break;
2823 }
2824
2825 crt_reg = crt_timing[index].crtc;
2826 switch (var->bits_per_pixel) {
2827 case 8:
2828 var->red.offset = 0;
2829 var->green.offset = 0;
2830 var->blue.offset = 0;
2831 var->red.length = 6;
2832 var->green.length = 6;
2833 var->blue.length = 6;
2834 break;
2835 case 16:
2836 var->red.offset = 11;
2837 var->green.offset = 5;
2838 var->blue.offset = 0;
2839 var->red.length = 5;
2840 var->green.length = 6;
2841 var->blue.length = 5;
2842 break;
2843 case 32:
2844 var->red.offset = 16;
2845 var->green.offset = 8;
2846 var->blue.offset = 0;
2847 var->red.length = 8;
2848 var->green.length = 8;
2849 var->blue.length = 8;
2850 break;
2851 default:
2852 /* never happed, put here to keep consistent */
2853 break;
2854 }
2855
2856 var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
2857 var->left_margin =
2858 crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
2859 var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;
2860 var->hsync_len = crt_reg.hor_sync_end;
2861 var->upper_margin =
2862 crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end);
2863 var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr;
2864 var->vsync_len = crt_reg.ver_sync_end;
2865 }
Support for the Chinese Samsung S3C2440 based development boards