Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / staging / xgifb / vb_init.c
1 #include <linux/delay.h>
2 #include <linux/vmalloc.h>
3
4 #include "XGIfb.h"
5 #include "vb_def.h"
6 #include "vb_util.h"
7 #include "vb_setmode.h"
8 #include "vb_init.h"
9 static const unsigned short XGINew_DDRDRAM_TYPE340[4][2] = {
10         { 16, 0x45},
11         {  8, 0x35},
12         {  4, 0x31},
13         {  2, 0x21} };
14
15 static const unsigned short XGINew_DDRDRAM_TYPE20[12][2] = {
16         { 128, 0x5D},
17         { 64, 0x59},
18         { 64, 0x4D},
19         { 32, 0x55},
20         { 32, 0x49},
21         { 32, 0x3D},
22         { 16, 0x51},
23         { 16, 0x45},
24         { 16, 0x39},
25         {  8, 0x41},
26         {  8, 0x35},
27         {  4, 0x31} };
28
29 #define XGIFB_ROM_SIZE  65536
30
31 static unsigned char
32 XGINew_GetXG20DRAMType(struct xgi_hw_device_info *HwDeviceExtension,
33                        struct vb_device_info *pVBInfo)
34 {
35         unsigned char data, temp;
36
37         if (HwDeviceExtension->jChipType < XG20) {
38                 data = xgifb_reg_get(pVBInfo->P3c4, 0x39) & 0x02;
39                 if (data == 0)
40                         data = (xgifb_reg_get(pVBInfo->P3c4, 0x3A) &
41                                    0x02) >> 1;
42                 return data;
43         } else if (HwDeviceExtension->jChipType == XG27) {
44                 temp = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
45                 /* SR3B[7][3]MAA15 MAA11 (Power on Trapping) */
46                 if (((temp & 0x88) == 0x80) || ((temp & 0x88) == 0x08))
47                         data = 0; /* DDR */
48                 else
49                         data = 1; /* DDRII */
50                 return data;
51         } else if (HwDeviceExtension->jChipType == XG21) {
52                 /* Independent GPIO control */
53                 xgifb_reg_and(pVBInfo->P3d4, 0xB4, ~0x02);
54                 udelay(800);
55                 xgifb_reg_or(pVBInfo->P3d4, 0x4A, 0x80); /* Enable GPIOH read */
56                 /* GPIOF 0:DVI 1:DVO */
57                 data = xgifb_reg_get(pVBInfo->P3d4, 0x48);
58                 /* HOTPLUG_SUPPORT */
59                 /* for current XG20 & XG21, GPIOH is floating, driver will
60                  * fix DDR temporarily */
61                 /* DVI read GPIOH */
62                 data &= 0x01; /* 1=DDRII, 0=DDR */
63                 /* ~HOTPLUG_SUPPORT */
64                 xgifb_reg_or(pVBInfo->P3d4, 0xB4, 0x02);
65                 return data;
66         }
67         data = xgifb_reg_get(pVBInfo->P3d4, 0x97) & 0x01;
68
69         if (data == 1)
70                 data++;
71
72         return data;
73 }
74
75 static void XGINew_DDR1x_MRS_340(unsigned long P3c4,
76                                  struct vb_device_info *pVBInfo)
77 {
78         xgifb_reg_set(P3c4, 0x18, 0x01);
79         xgifb_reg_set(P3c4, 0x19, 0x20);
80         xgifb_reg_set(P3c4, 0x16, 0x00);
81         xgifb_reg_set(P3c4, 0x16, 0x80);
82
83         mdelay(3);
84         xgifb_reg_set(P3c4, 0x18, 0x00);
85         xgifb_reg_set(P3c4, 0x19, 0x20);
86         xgifb_reg_set(P3c4, 0x16, 0x00);
87         xgifb_reg_set(P3c4, 0x16, 0x80);
88
89         udelay(60);
90         xgifb_reg_set(P3c4, 0x18, pVBInfo->SR18[pVBInfo->ram_type]); /* SR18 */
91         xgifb_reg_set(P3c4, 0x19, 0x01);
92         xgifb_reg_set(P3c4, 0x16, 0x03);
93         xgifb_reg_set(P3c4, 0x16, 0x83);
94         mdelay(1);
95         xgifb_reg_set(P3c4, 0x1B, 0x03);
96         udelay(500);
97         xgifb_reg_set(P3c4, 0x18, pVBInfo->SR18[pVBInfo->ram_type]); /* SR18 */
98         xgifb_reg_set(P3c4, 0x19, 0x00);
99         xgifb_reg_set(P3c4, 0x16, 0x03);
100         xgifb_reg_set(P3c4, 0x16, 0x83);
101         xgifb_reg_set(P3c4, 0x1B, 0x00);
102 }
103
104 static void XGINew_SetMemoryClock(struct vb_device_info *pVBInfo)
105 {
106         xgifb_reg_set(pVBInfo->P3c4,
107                       0x28,
108                       pVBInfo->MCLKData[pVBInfo->ram_type].SR28);
109         xgifb_reg_set(pVBInfo->P3c4,
110                       0x29,
111                       pVBInfo->MCLKData[pVBInfo->ram_type].SR29);
112         xgifb_reg_set(pVBInfo->P3c4,
113                       0x2A,
114                       pVBInfo->MCLKData[pVBInfo->ram_type].SR2A);
115
116         xgifb_reg_set(pVBInfo->P3c4,
117                       0x2E,
118                       XGI340_ECLKData[pVBInfo->ram_type].SR2E);
119         xgifb_reg_set(pVBInfo->P3c4,
120                       0x2F,
121                       XGI340_ECLKData[pVBInfo->ram_type].SR2F);
122         xgifb_reg_set(pVBInfo->P3c4,
123                       0x30,
124                       XGI340_ECLKData[pVBInfo->ram_type].SR30);
125 }
126
127 static void XGINew_DDRII_Bootup_XG27(
128                         struct xgi_hw_device_info *HwDeviceExtension,
129                         unsigned long P3c4, struct vb_device_info *pVBInfo)
130 {
131         unsigned long P3d4 = P3c4 + 0x10;
132
133         pVBInfo->ram_type = XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
134         XGINew_SetMemoryClock(pVBInfo);
135
136         /* Set Double Frequency */
137         xgifb_reg_set(P3d4, 0x97, pVBInfo->XGINew_CR97); /* CR97 */
138
139         udelay(200);
140
141         xgifb_reg_set(P3c4, 0x18, 0x00); /* Set SR18 */ /* EMRS2 */
142         xgifb_reg_set(P3c4, 0x19, 0x80); /* Set SR19 */
143         xgifb_reg_set(P3c4, 0x16, 0x20); /* Set SR16 */
144         udelay(15);
145         xgifb_reg_set(P3c4, 0x16, 0xA0); /* Set SR16 */
146         udelay(15);
147
148         xgifb_reg_set(P3c4, 0x18, 0x00); /* Set SR18 */ /* EMRS3 */
149         xgifb_reg_set(P3c4, 0x19, 0xC0); /* Set SR19 */
150         xgifb_reg_set(P3c4, 0x16, 0x20); /* Set SR16 */
151         udelay(15);
152         xgifb_reg_set(P3c4, 0x16, 0xA0); /* Set SR16 */
153         udelay(15);
154
155         xgifb_reg_set(P3c4, 0x18, 0x00); /* Set SR18 */ /* EMRS1 */
156         xgifb_reg_set(P3c4, 0x19, 0x40); /* Set SR19 */
157         xgifb_reg_set(P3c4, 0x16, 0x20); /* Set SR16 */
158         udelay(30);
159         xgifb_reg_set(P3c4, 0x16, 0xA0); /* Set SR16 */
160         udelay(15);
161
162         xgifb_reg_set(P3c4, 0x18, 0x42); /* Set SR18 */ /* MRS, DLL Enable */
163         xgifb_reg_set(P3c4, 0x19, 0x0A); /* Set SR19 */
164         xgifb_reg_set(P3c4, 0x16, 0x00); /* Set SR16 */
165         udelay(30);
166         xgifb_reg_set(P3c4, 0x16, 0x00); /* Set SR16 */
167         xgifb_reg_set(P3c4, 0x16, 0x80); /* Set SR16 */
168
169         xgifb_reg_set(P3c4, 0x1B, 0x04); /* Set SR1B */
170         udelay(60);
171         xgifb_reg_set(P3c4, 0x1B, 0x00); /* Set SR1B */
172
173         xgifb_reg_set(P3c4, 0x18, 0x42); /* Set SR18 */ /* MRS, DLL Reset */
174         xgifb_reg_set(P3c4, 0x19, 0x08); /* Set SR19 */
175         xgifb_reg_set(P3c4, 0x16, 0x00); /* Set SR16 */
176
177         udelay(30);
178         xgifb_reg_set(P3c4, 0x16, 0x83); /* Set SR16 */
179         udelay(15);
180
181         xgifb_reg_set(P3c4, 0x18, 0x80); /* Set SR18 */ /* MRS, ODT */
182         xgifb_reg_set(P3c4, 0x19, 0x46); /* Set SR19 */
183         xgifb_reg_set(P3c4, 0x16, 0x20); /* Set SR16 */
184         udelay(30);
185         xgifb_reg_set(P3c4, 0x16, 0xA0); /* Set SR16 */
186         udelay(15);
187
188         xgifb_reg_set(P3c4, 0x18, 0x00); /* Set SR18 */ /* EMRS */
189         xgifb_reg_set(P3c4, 0x19, 0x40); /* Set SR19 */
190         xgifb_reg_set(P3c4, 0x16, 0x20); /* Set SR16 */
191         udelay(30);
192         xgifb_reg_set(P3c4, 0x16, 0xA0); /* Set SR16 */
193         udelay(15);
194
195         /* Set SR1B refresh control 000:close; 010:open */
196         xgifb_reg_set(P3c4, 0x1B, 0x04);
197         udelay(200);
198
199 }
200
201 static void XGINew_DDR2_MRS_XG20(struct xgi_hw_device_info *HwDeviceExtension,
202                 unsigned long P3c4, struct vb_device_info *pVBInfo)
203 {
204         unsigned long P3d4 = P3c4 + 0x10;
205
206         pVBInfo->ram_type = XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
207         XGINew_SetMemoryClock(pVBInfo);
208
209         xgifb_reg_set(P3d4, 0x97, 0x11); /* CR97 */
210
211         udelay(200);
212         xgifb_reg_set(P3c4, 0x18, 0x00); /* EMRS2 */
213         xgifb_reg_set(P3c4, 0x19, 0x80);
214         xgifb_reg_set(P3c4, 0x16, 0x05);
215         xgifb_reg_set(P3c4, 0x16, 0x85);
216
217         xgifb_reg_set(P3c4, 0x18, 0x00); /* EMRS3 */
218         xgifb_reg_set(P3c4, 0x19, 0xC0);
219         xgifb_reg_set(P3c4, 0x16, 0x05);
220         xgifb_reg_set(P3c4, 0x16, 0x85);
221
222         xgifb_reg_set(P3c4, 0x18, 0x00); /* EMRS1 */
223         xgifb_reg_set(P3c4, 0x19, 0x40);
224         xgifb_reg_set(P3c4, 0x16, 0x05);
225         xgifb_reg_set(P3c4, 0x16, 0x85);
226
227         xgifb_reg_set(P3c4, 0x18, 0x42); /* MRS1 */
228         xgifb_reg_set(P3c4, 0x19, 0x02);
229         xgifb_reg_set(P3c4, 0x16, 0x05);
230         xgifb_reg_set(P3c4, 0x16, 0x85);
231
232         udelay(15);
233         xgifb_reg_set(P3c4, 0x1B, 0x04); /* SR1B */
234         udelay(30);
235         xgifb_reg_set(P3c4, 0x1B, 0x00); /* SR1B */
236         udelay(100);
237
238         xgifb_reg_set(P3c4, 0x18, 0x42); /* MRS1 */
239         xgifb_reg_set(P3c4, 0x19, 0x00);
240         xgifb_reg_set(P3c4, 0x16, 0x05);
241         xgifb_reg_set(P3c4, 0x16, 0x85);
242
243         udelay(200);
244 }
245
246 static void XGINew_DDR1x_MRS_XG20(unsigned long P3c4,
247                                   struct vb_device_info *pVBInfo)
248 {
249         xgifb_reg_set(P3c4, 0x18, 0x01);
250         xgifb_reg_set(P3c4, 0x19, 0x40);
251         xgifb_reg_set(P3c4, 0x16, 0x00);
252         xgifb_reg_set(P3c4, 0x16, 0x80);
253         udelay(60);
254
255         xgifb_reg_set(P3c4, 0x18, 0x00);
256         xgifb_reg_set(P3c4, 0x19, 0x40);
257         xgifb_reg_set(P3c4, 0x16, 0x00);
258         xgifb_reg_set(P3c4, 0x16, 0x80);
259         udelay(60);
260         xgifb_reg_set(P3c4, 0x18, pVBInfo->SR18[pVBInfo->ram_type]); /* SR18 */
261         xgifb_reg_set(P3c4, 0x19, 0x01);
262         xgifb_reg_set(P3c4, 0x16, 0x03);
263         xgifb_reg_set(P3c4, 0x16, 0x83);
264         mdelay(1);
265         xgifb_reg_set(P3c4, 0x1B, 0x03);
266         udelay(500);
267         xgifb_reg_set(P3c4, 0x18, pVBInfo->SR18[pVBInfo->ram_type]); /* SR18 */
268         xgifb_reg_set(P3c4, 0x19, 0x00);
269         xgifb_reg_set(P3c4, 0x16, 0x03);
270         xgifb_reg_set(P3c4, 0x16, 0x83);
271         xgifb_reg_set(P3c4, 0x1B, 0x00);
272 }
273
274 static void XGINew_DDR1x_DefaultRegister(
275                 struct xgi_hw_device_info *HwDeviceExtension,
276                 unsigned long Port, struct vb_device_info *pVBInfo)
277 {
278         unsigned long P3d4 = Port, P3c4 = Port - 0x10;
279
280         if (HwDeviceExtension->jChipType >= XG20) {
281                 XGINew_SetMemoryClock(pVBInfo);
282                 xgifb_reg_set(P3d4,
283                               0x82,
284                               pVBInfo->CR40[11][pVBInfo->ram_type]); /* CR82 */
285                 xgifb_reg_set(P3d4,
286                               0x85,
287                               pVBInfo->CR40[12][pVBInfo->ram_type]); /* CR85 */
288                 xgifb_reg_set(P3d4,
289                               0x86,
290                               pVBInfo->CR40[13][pVBInfo->ram_type]); /* CR86 */
291
292                 xgifb_reg_set(P3d4, 0x98, 0x01);
293                 xgifb_reg_set(P3d4, 0x9A, 0x02);
294
295                 XGINew_DDR1x_MRS_XG20(P3c4, pVBInfo);
296         } else {
297                 XGINew_SetMemoryClock(pVBInfo);
298
299                 switch (HwDeviceExtension->jChipType) {
300                 case XG42:
301                         /* CR82 */
302                         xgifb_reg_set(P3d4,
303                                       0x82,
304                                       pVBInfo->CR40[11][pVBInfo->ram_type]);
305                         /* CR85 */
306                         xgifb_reg_set(P3d4,
307                                       0x85,
308                                       pVBInfo->CR40[12][pVBInfo->ram_type]);
309                         /* CR86 */
310                         xgifb_reg_set(P3d4,
311                                       0x86,
312                                       pVBInfo->CR40[13][pVBInfo->ram_type]);
313                         break;
314                 default:
315                         xgifb_reg_set(P3d4, 0x82, 0x88);
316                         xgifb_reg_set(P3d4, 0x86, 0x00);
317                         /* Insert read command for delay */
318                         xgifb_reg_get(P3d4, 0x86);
319                         xgifb_reg_set(P3d4, 0x86, 0x88);
320                         xgifb_reg_get(P3d4, 0x86);
321                         xgifb_reg_set(P3d4,
322                                       0x86,
323                                       pVBInfo->CR40[13][pVBInfo->ram_type]);
324                         xgifb_reg_set(P3d4, 0x82, 0x77);
325                         xgifb_reg_set(P3d4, 0x85, 0x00);
326
327                         /* Insert read command for delay */
328                         xgifb_reg_get(P3d4, 0x85);
329                         xgifb_reg_set(P3d4, 0x85, 0x88);
330
331                         /* Insert read command for delay */
332                         xgifb_reg_get(P3d4, 0x85);
333                         /* CR85 */
334                         xgifb_reg_set(P3d4,
335                                       0x85,
336                                       pVBInfo->CR40[12][pVBInfo->ram_type]);
337                         /* CR82 */
338                         xgifb_reg_set(P3d4,
339                                       0x82,
340                                       pVBInfo->CR40[11][pVBInfo->ram_type]);
341                         break;
342                 }
343
344                 xgifb_reg_set(P3d4, 0x97, 0x00);
345                 xgifb_reg_set(P3d4, 0x98, 0x01);
346                 xgifb_reg_set(P3d4, 0x9A, 0x02);
347                 XGINew_DDR1x_MRS_340(P3c4, pVBInfo);
348         }
349 }
350
351 static void XGINew_DDR2_DefaultRegister(
352                 struct xgi_hw_device_info *HwDeviceExtension,
353                 unsigned long Port, struct vb_device_info *pVBInfo)
354 {
355         unsigned long P3d4 = Port, P3c4 = Port - 0x10;
356
357         /* keep following setting sequence, each setting in
358          * the same reg insert idle */
359         xgifb_reg_set(P3d4, 0x82, 0x77);
360         xgifb_reg_set(P3d4, 0x86, 0x00);
361         xgifb_reg_get(P3d4, 0x86); /* Insert read command for delay */
362         xgifb_reg_set(P3d4, 0x86, 0x88);
363         xgifb_reg_get(P3d4, 0x86); /* Insert read command for delay */
364         /* CR86 */
365         xgifb_reg_set(P3d4, 0x86, pVBInfo->CR40[13][pVBInfo->ram_type]);
366         xgifb_reg_set(P3d4, 0x82, 0x77);
367         xgifb_reg_set(P3d4, 0x85, 0x00);
368         xgifb_reg_get(P3d4, 0x85); /* Insert read command for delay */
369         xgifb_reg_set(P3d4, 0x85, 0x88);
370         xgifb_reg_get(P3d4, 0x85); /* Insert read command for delay */
371         xgifb_reg_set(P3d4,
372                       0x85,
373                       pVBInfo->CR40[12][pVBInfo->ram_type]); /* CR85 */
374         if (HwDeviceExtension->jChipType == XG27)
375                 /* CR82 */
376                 xgifb_reg_set(P3d4, 0x82, pVBInfo->CR40[11][pVBInfo->ram_type]);
377         else
378                 xgifb_reg_set(P3d4, 0x82, 0xA8); /* CR82 */
379
380         xgifb_reg_set(P3d4, 0x98, 0x01);
381         xgifb_reg_set(P3d4, 0x9A, 0x02);
382         if (HwDeviceExtension->jChipType == XG27)
383                 XGINew_DDRII_Bootup_XG27(HwDeviceExtension, P3c4, pVBInfo);
384         else
385                 XGINew_DDR2_MRS_XG20(HwDeviceExtension, P3c4, pVBInfo);
386 }
387
388 static void XGI_SetDRAM_Helper(unsigned long P3d4, u8 seed, u8 temp2, u8 reg,
389         u8 shift_factor, u8 mask1, u8 mask2)
390 {
391         u8 j;
392
393         for (j = 0; j < 4; j++) {
394                 temp2 |= (((seed >> (2 * j)) & 0x03) << shift_factor);
395                 xgifb_reg_set(P3d4, reg, temp2);
396                 xgifb_reg_get(P3d4, reg);
397                 temp2 &= mask1;
398                 temp2 += mask2;
399         }
400 }
401
402 static void XGINew_SetDRAMDefaultRegister340(
403                 struct xgi_hw_device_info *HwDeviceExtension,
404                 unsigned long Port, struct vb_device_info *pVBInfo)
405 {
406         unsigned char temp, temp1, temp2, temp3, j, k;
407
408         unsigned long P3d4 = Port, P3c4 = Port - 0x10;
409
410         xgifb_reg_set(P3d4, 0x6D, pVBInfo->CR40[8][pVBInfo->ram_type]);
411         xgifb_reg_set(P3d4, 0x68, pVBInfo->CR40[5][pVBInfo->ram_type]);
412         xgifb_reg_set(P3d4, 0x69, pVBInfo->CR40[6][pVBInfo->ram_type]);
413         xgifb_reg_set(P3d4, 0x6A, pVBInfo->CR40[7][pVBInfo->ram_type]);
414
415         /* CR6B DQS fine tune delay */
416         temp = 0xaa;
417         XGI_SetDRAM_Helper(P3d4, temp, 0, 0x6B, 2, 0xF0, 0x10);
418
419         /* CR6E DQM fine tune delay */
420         XGI_SetDRAM_Helper(P3d4, 0, 0, 0x6E, 2, 0xF0, 0x10);
421
422         temp3 = 0;
423         for (k = 0; k < 4; k++) {
424                 /* CR6E_D[1:0] select channel */
425                 xgifb_reg_and_or(P3d4, 0x6E, 0xFC, temp3);
426                 XGI_SetDRAM_Helper(P3d4, 0, 0, 0x6F, 0, 0xF8, 0x08);
427                 temp3 += 0x01;
428         }
429
430         xgifb_reg_set(P3d4,
431                       0x80,
432                       pVBInfo->CR40[9][pVBInfo->ram_type]); /* CR80 */
433         xgifb_reg_set(P3d4,
434                       0x81,
435                       pVBInfo->CR40[10][pVBInfo->ram_type]); /* CR81 */
436
437         temp2 = 0x80;
438         /* CR89 terminator type select */
439         XGI_SetDRAM_Helper(P3d4, 0, temp2, 0x89, 0, 0xF0, 0x10);
440
441         temp = 0;
442         temp1 = temp & 0x03;
443         temp2 |= temp1;
444         xgifb_reg_set(P3d4, 0x89, temp2);
445
446         temp = pVBInfo->CR40[3][pVBInfo->ram_type];
447         temp1 = temp & 0x0F;
448         temp2 = (temp >> 4) & 0x07;
449         temp3 = temp & 0x80;
450         xgifb_reg_set(P3d4, 0x45, temp1); /* CR45 */
451         xgifb_reg_set(P3d4, 0x99, temp2); /* CR99 */
452         xgifb_reg_or(P3d4, 0x40, temp3); /* CR40_D[7] */
453         xgifb_reg_set(P3d4,
454                       0x41,
455                       pVBInfo->CR40[0][pVBInfo->ram_type]); /* CR41 */
456
457         if (HwDeviceExtension->jChipType == XG27)
458                 xgifb_reg_set(P3d4, 0x8F, XG27_CR8F); /* CR8F */
459
460         for (j = 0; j <= 6; j++) /* CR90 - CR96 */
461                 xgifb_reg_set(P3d4, (0x90 + j),
462                                 pVBInfo->CR40[14 + j][pVBInfo->ram_type]);
463
464         for (j = 0; j <= 2; j++) /* CRC3 - CRC5 */
465                 xgifb_reg_set(P3d4, (0xC3 + j),
466                                 pVBInfo->CR40[21 + j][pVBInfo->ram_type]);
467
468         for (j = 0; j < 2; j++) /* CR8A - CR8B */
469                 xgifb_reg_set(P3d4, (0x8A + j),
470                                 pVBInfo->CR40[1 + j][pVBInfo->ram_type]);
471
472         if (HwDeviceExtension->jChipType == XG42)
473                 xgifb_reg_set(P3d4, 0x8C, 0x87);
474
475         xgifb_reg_set(P3d4,
476                       0x59,
477                       pVBInfo->CR40[4][pVBInfo->ram_type]); /* CR59 */
478
479         xgifb_reg_set(P3d4, 0x83, 0x09); /* CR83 */
480         xgifb_reg_set(P3d4, 0x87, 0x00); /* CR87 */
481         xgifb_reg_set(P3d4, 0xCF, XG40_CRCF); /* CRCF */
482         if (pVBInfo->ram_type) {
483                 xgifb_reg_set(P3c4, 0x17, 0x80); /* SR17 DDRII */
484                 if (HwDeviceExtension->jChipType == XG27)
485                         xgifb_reg_set(P3c4, 0x17, 0x02); /* SR17 DDRII */
486
487         } else {
488                 xgifb_reg_set(P3c4, 0x17, 0x00); /* SR17 DDR */
489         }
490         xgifb_reg_set(P3c4, 0x1A, 0x87); /* SR1A */
491
492         temp = XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
493         if (temp == 0) {
494                 XGINew_DDR1x_DefaultRegister(HwDeviceExtension, P3d4, pVBInfo);
495         } else {
496                 xgifb_reg_set(P3d4, 0xB0, 0x80); /* DDRII Dual frequency mode */
497                 XGINew_DDR2_DefaultRegister(HwDeviceExtension, P3d4, pVBInfo);
498         }
499         xgifb_reg_set(P3c4, 0x1B, 0x03); /* SR1B */
500 }
501
502
503 static unsigned short XGINew_SetDRAMSize20Reg(
504                 unsigned short dram_size,
505                 struct vb_device_info *pVBInfo)
506 {
507         unsigned short data = 0, memsize = 0;
508         int RankSize;
509         unsigned char ChannelNo;
510
511         RankSize = dram_size * pVBInfo->ram_bus / 8;
512         data = xgifb_reg_get(pVBInfo->P3c4, 0x13);
513         data &= 0x80;
514
515         if (data == 0x80)
516                 RankSize *= 2;
517
518         data = 0;
519
520         if (pVBInfo->ram_channel == 3)
521                 ChannelNo = 4;
522         else
523                 ChannelNo = pVBInfo->ram_channel;
524
525         if (ChannelNo * RankSize <= 256) {
526                 while ((RankSize >>= 1) > 0)
527                         data += 0x10;
528
529                 memsize = data >> 4;
530
531                 /* Fix DRAM Sizing Error */
532                 xgifb_reg_set(pVBInfo->P3c4,
533                               0x14,
534                               (xgifb_reg_get(pVBInfo->P3c4, 0x14) & 0x0F) |
535                                 (data & 0xF0));
536                 udelay(15);
537         }
538         return memsize;
539 }
540
541 static int XGINew_ReadWriteRest(unsigned short StopAddr,
542                 unsigned short StartAddr, struct vb_device_info *pVBInfo)
543 {
544         int i;
545         unsigned long Position = 0;
546         void __iomem *fbaddr = pVBInfo->FBAddr;
547
548         writel(Position, fbaddr + Position);
549
550         for (i = StartAddr; i <= StopAddr; i++) {
551                 Position = 1 << i;
552                 writel(Position, fbaddr + Position);
553         }
554
555         udelay(500); /* Fix #1759 Memory Size error in Multi-Adapter. */
556
557         Position = 0;
558
559         if (readl(fbaddr + Position) != Position)
560                 return 0;
561
562         for (i = StartAddr; i <= StopAddr; i++) {
563                 Position = 1 << i;
564                 if (readl(fbaddr + Position) != Position)
565                         return 0;
566         }
567         return 1;
568 }
569
570 static unsigned char XGINew_CheckFrequence(struct vb_device_info *pVBInfo)
571 {
572         unsigned char data;
573
574         data = xgifb_reg_get(pVBInfo->P3d4, 0x97);
575
576         if ((data & 0x10) == 0) {
577                 data = xgifb_reg_get(pVBInfo->P3c4, 0x39);
578                 data = (data & 0x02) >> 1;
579                 return data;
580         }
581         return data & 0x01;
582 }
583
584 static void XGINew_CheckChannel(struct xgi_hw_device_info *HwDeviceExtension,
585                 struct vb_device_info *pVBInfo)
586 {
587         unsigned char data;
588
589         switch (HwDeviceExtension->jChipType) {
590         case XG20:
591         case XG21:
592                 data = xgifb_reg_get(pVBInfo->P3d4, 0x97);
593                 data = data & 0x01;
594                 pVBInfo->ram_channel = 1; /* XG20 "JUST" one channel */
595
596                 if (data == 0) { /* Single_32_16 */
597
598                         if ((HwDeviceExtension->ulVideoMemorySize - 1)
599                                         > 0x1000000) {
600
601                                 pVBInfo->ram_bus = 32; /* 32 bits */
602                                 /* 22bit + 2 rank + 32bit */
603                                 xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
604                                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
605                                 udelay(15);
606
607                                 if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
608                                         return;
609
610                                 if ((HwDeviceExtension->ulVideoMemorySize - 1) >
611                                     0x800000) {
612                                         /* 22bit + 1 rank + 32bit */
613                                         xgifb_reg_set(pVBInfo->P3c4,
614                                                       0x13,
615                                                       0x31);
616                                         xgifb_reg_set(pVBInfo->P3c4,
617                                                       0x14,
618                                                       0x42);
619                                         udelay(15);
620
621                                         if (XGINew_ReadWriteRest(23,
622                                                                  23,
623                                                                  pVBInfo) == 1)
624                                                 return;
625                                 }
626                         }
627
628                         if ((HwDeviceExtension->ulVideoMemorySize - 1) >
629                             0x800000) {
630                                 pVBInfo->ram_bus = 16; /* 16 bits */
631                                 /* 22bit + 2 rank + 16bit */
632                                 xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
633                                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x41);
634                                 udelay(15);
635
636                                 if (XGINew_ReadWriteRest(23, 22, pVBInfo) == 1)
637                                         return;
638                                 xgifb_reg_set(pVBInfo->P3c4,
639                                               0x13,
640                                               0x31);
641                                 udelay(15);
642                         }
643
644                 } else { /* Dual_16_8 */
645                         if ((HwDeviceExtension->ulVideoMemorySize - 1) >
646                             0x800000) {
647                                 pVBInfo->ram_bus = 16; /* 16 bits */
648                                 /* (0x31:12x8x2) 22bit + 2 rank */
649                                 xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
650                                 /* 0x41:16Mx16 bit*/
651                                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x41);
652                                 udelay(15);
653
654                                 if (XGINew_ReadWriteRest(23, 22, pVBInfo) == 1)
655                                         return;
656
657                                 if ((HwDeviceExtension->ulVideoMemorySize - 1) >
658                                     0x400000) {
659                                         /* (0x31:12x8x2) 22bit + 1 rank */
660                                         xgifb_reg_set(pVBInfo->P3c4,
661                                                       0x13,
662                                                       0x31);
663                                         /* 0x31:8Mx16 bit*/
664                                         xgifb_reg_set(pVBInfo->P3c4,
665                                                       0x14,
666                                                       0x31);
667                                         udelay(15);
668
669                                         if (XGINew_ReadWriteRest(22,
670                                                                  22,
671                                                                  pVBInfo) == 1)
672                                                 return;
673                                 }
674                         }
675
676                         if ((HwDeviceExtension->ulVideoMemorySize - 1) >
677                             0x400000) {
678                                 pVBInfo->ram_bus = 8; /* 8 bits */
679                                 /* (0x31:12x8x2) 22bit + 2 rank */
680                                 xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xB1);
681                                 /* 0x30:8Mx8 bit*/
682                                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x30);
683                                 udelay(15);
684
685                                 if (XGINew_ReadWriteRest(22, 21, pVBInfo) == 1)
686                                         return;
687
688                                 /* (0x31:12x8x2) 22bit + 1 rank */
689                                 xgifb_reg_set(pVBInfo->P3c4,
690                                               0x13,
691                                               0x31);
692                                 udelay(15);
693                         }
694                 }
695                 break;
696
697         case XG27:
698                 pVBInfo->ram_bus = 16; /* 16 bits */
699                 pVBInfo->ram_channel = 1; /* Single channel */
700                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x51); /* 32Mx16 bit*/
701                 break;
702         case XG42:
703                 /*
704                  XG42 SR14 D[3] Reserve
705                  D[2] = 1, Dual Channel
706                  = 0, Single Channel
707
708                  It's Different from Other XG40 Series.
709                  */
710                 if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII, DDR2x */
711                         pVBInfo->ram_bus = 32; /* 32 bits */
712                         pVBInfo->ram_channel = 2; /* 2 Channel */
713                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
714                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x44);
715
716                         if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
717                                 return;
718
719                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
720                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x34);
721                         if (XGINew_ReadWriteRest(23, 22, pVBInfo) == 1)
722                                 return;
723
724                         pVBInfo->ram_channel = 1; /* Single Channel */
725                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
726                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x40);
727
728                         if (XGINew_ReadWriteRest(23, 22, pVBInfo) == 1)
729                                 return;
730                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
731                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x30);
732                 } else { /* DDR */
733                         pVBInfo->ram_bus = 64; /* 64 bits */
734                         pVBInfo->ram_channel = 1; /* 1 channels */
735                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
736                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x52);
737
738                         if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
739                                 return;
740                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
741                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x42);
742                 }
743
744                 break;
745
746         default: /* XG40 */
747
748                 if (XGINew_CheckFrequence(pVBInfo) == 1) { /* DDRII */
749                         pVBInfo->ram_bus = 32; /* 32 bits */
750                         pVBInfo->ram_channel = 3;
751                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
752                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4C);
753
754                         if (XGINew_ReadWriteRest(25, 23, pVBInfo) == 1)
755                                 return;
756
757                         pVBInfo->ram_channel = 2; /* 2 channels */
758                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x48);
759
760                         if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1)
761                                 return;
762
763                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
764                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x3C);
765
766                         if (XGINew_ReadWriteRest(24, 23, pVBInfo) == 1) {
767                                 pVBInfo->ram_channel = 3; /* 4 channels */
768                         } else {
769                                 pVBInfo->ram_channel = 2; /* 2 channels */
770                                 xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x38);
771                         }
772                 } else { /* DDR */
773                         pVBInfo->ram_bus = 64; /* 64 bits */
774                         pVBInfo->ram_channel = 2; /* 2 channels */
775                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0xA1);
776                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x5A);
777
778                         if (XGINew_ReadWriteRest(25, 24, pVBInfo) == 1)
779                                 return;
780                         xgifb_reg_set(pVBInfo->P3c4, 0x13, 0x21);
781                         xgifb_reg_set(pVBInfo->P3c4, 0x14, 0x4A);
782                 }
783                 break;
784         }
785 }
786
787 static int XGINew_DDRSizing340(struct xgi_hw_device_info *HwDeviceExtension,
788                 struct vb_device_info *pVBInfo)
789 {
790         u8 i, size;
791         unsigned short memsize, start_addr;
792         const unsigned short (*dram_table)[2];
793
794         xgifb_reg_set(pVBInfo->P3c4, 0x15, 0x00); /* noninterleaving */
795         xgifb_reg_set(pVBInfo->P3c4, 0x1C, 0x00); /* nontiling */
796         XGINew_CheckChannel(HwDeviceExtension, pVBInfo);
797
798         if (HwDeviceExtension->jChipType >= XG20) {
799                 dram_table = XGINew_DDRDRAM_TYPE20;
800                 size = ARRAY_SIZE(XGINew_DDRDRAM_TYPE20);
801                 start_addr = 5;
802         } else {
803                 dram_table = XGINew_DDRDRAM_TYPE340;
804                 size = ARRAY_SIZE(XGINew_DDRDRAM_TYPE340);
805                 start_addr = 9;
806         }
807
808         for (i = 0; i < size; i++) {
809                 /* SetDRAMSizingType */
810                 xgifb_reg_and_or(pVBInfo->P3c4, 0x13, 0x80, dram_table[i][1]);
811                 udelay(15); /* should delay 50 ns */
812
813                 memsize = XGINew_SetDRAMSize20Reg(dram_table[i][0], pVBInfo);
814
815                 if (memsize == 0)
816                         continue;
817
818                 memsize += (pVBInfo->ram_channel - 2) + 20;
819                 if ((HwDeviceExtension->ulVideoMemorySize - 1) <
820                         (unsigned long) (1 << memsize))
821                         continue;
822
823                 if (XGINew_ReadWriteRest(memsize, start_addr, pVBInfo) == 1)
824                         return 1;
825         }
826         return 0;
827 }
828
829 static void XGINew_SetDRAMSize_340(struct xgifb_video_info *xgifb_info,
830                 struct xgi_hw_device_info *HwDeviceExtension,
831                 struct vb_device_info *pVBInfo)
832 {
833         unsigned short data;
834
835         pVBInfo->FBAddr = HwDeviceExtension->pjVideoMemoryAddress;
836
837         XGISetModeNew(xgifb_info, HwDeviceExtension, 0x2e);
838
839         data = xgifb_reg_get(pVBInfo->P3c4, 0x21);
840         /* disable read cache */
841         xgifb_reg_set(pVBInfo->P3c4, 0x21, (unsigned short) (data & 0xDF));
842         XGI_DisplayOff(xgifb_info, HwDeviceExtension, pVBInfo);
843
844         XGINew_DDRSizing340(HwDeviceExtension, pVBInfo);
845         data = xgifb_reg_get(pVBInfo->P3c4, 0x21);
846         /* enable read cache */
847         xgifb_reg_set(pVBInfo->P3c4, 0x21, (unsigned short) (data | 0x20));
848 }
849
850 static u8 *xgifb_copy_rom(struct pci_dev *dev, size_t *rom_size)
851 {
852         void __iomem *rom_address;
853         u8 *rom_copy;
854
855         rom_address = pci_map_rom(dev, rom_size);
856         if (rom_address == NULL)
857                 return NULL;
858
859         rom_copy = vzalloc(XGIFB_ROM_SIZE);
860         if (rom_copy == NULL)
861                 goto done;
862
863         *rom_size = min_t(size_t, *rom_size, XGIFB_ROM_SIZE);
864         memcpy_fromio(rom_copy, rom_address, *rom_size);
865
866 done:
867         pci_unmap_rom(dev, rom_address);
868         return rom_copy;
869 }
870
871 static bool xgifb_read_vbios(struct pci_dev *pdev)
872 {
873         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
874         u8 *vbios;
875         unsigned long i;
876         unsigned char j;
877         struct XGI21_LVDSCapStruct *lvds;
878         size_t vbios_size;
879         int entry;
880
881         vbios = xgifb_copy_rom(pdev, &vbios_size);
882         if (vbios == NULL) {
883                 dev_err(&pdev->dev, "Video BIOS not available\n");
884                 return false;
885         }
886         if (vbios_size <= 0x65)
887                 goto error;
888         /*
889          * The user can ignore the LVDS bit in the BIOS and force the display
890          * type.
891          */
892         if (!(vbios[0x65] & 0x1) &&
893             (!xgifb_info->display2_force ||
894              xgifb_info->display2 != XGIFB_DISP_LCD)) {
895                 vfree(vbios);
896                 return false;
897         }
898         if (vbios_size <= 0x317)
899                 goto error;
900         i = vbios[0x316] | (vbios[0x317] << 8);
901         if (vbios_size <= i - 1)
902                 goto error;
903         j = vbios[i - 1];
904         if (j == 0)
905                 goto error;
906         if (j == 0xff)
907                 j = 1;
908         /*
909          * Read the LVDS table index scratch register set by the BIOS.
910          */
911         entry = xgifb_reg_get(xgifb_info->dev_info.P3d4, 0x36);
912         if (entry >= j)
913                 entry = 0;
914         i += entry * 25;
915         lvds = &xgifb_info->lvds_data;
916         if (vbios_size <= i + 24)
917                 goto error;
918         lvds->LVDS_Capability   = vbios[i]      | (vbios[i + 1] << 8);
919         lvds->LVDSHT            = vbios[i + 2]  | (vbios[i + 3] << 8);
920         lvds->LVDSVT            = vbios[i + 4]  | (vbios[i + 5] << 8);
921         lvds->LVDSHDE           = vbios[i + 6]  | (vbios[i + 7] << 8);
922         lvds->LVDSVDE           = vbios[i + 8]  | (vbios[i + 9] << 8);
923         lvds->LVDSHFP           = vbios[i + 10] | (vbios[i + 11] << 8);
924         lvds->LVDSVFP           = vbios[i + 12] | (vbios[i + 13] << 8);
925         lvds->LVDSHSYNC         = vbios[i + 14] | (vbios[i + 15] << 8);
926         lvds->LVDSVSYNC         = vbios[i + 16] | (vbios[i + 17] << 8);
927         lvds->VCLKData1         = vbios[i + 18];
928         lvds->VCLKData2         = vbios[i + 19];
929         lvds->PSC_S1            = vbios[i + 20];
930         lvds->PSC_S2            = vbios[i + 21];
931         lvds->PSC_S3            = vbios[i + 22];
932         lvds->PSC_S4            = vbios[i + 23];
933         lvds->PSC_S5            = vbios[i + 24];
934         vfree(vbios);
935         return true;
936 error:
937         dev_err(&pdev->dev, "Video BIOS corrupted\n");
938         vfree(vbios);
939         return false;
940 }
941
942 static void XGINew_ChkSenseStatus(struct vb_device_info *pVBInfo)
943 {
944         unsigned short tempbx = 0, temp, tempcx, CR3CData;
945
946         temp = xgifb_reg_get(pVBInfo->P3d4, 0x32);
947
948         if (temp & Monitor1Sense)
949                 tempbx |= ActiveCRT1;
950         if (temp & LCDSense)
951                 tempbx |= ActiveLCD;
952         if (temp & Monitor2Sense)
953                 tempbx |= ActiveCRT2;
954         if (temp & TVSense) {
955                 tempbx |= ActiveTV;
956                 if (temp & AVIDEOSense)
957                         tempbx |= (ActiveAVideo << 8);
958                 if (temp & SVIDEOSense)
959                         tempbx |= (ActiveSVideo << 8);
960                 if (temp & SCARTSense)
961                         tempbx |= (ActiveSCART << 8);
962                 if (temp & HiTVSense)
963                         tempbx |= (ActiveHiTV << 8);
964                 if (temp & YPbPrSense)
965                         tempbx |= (ActiveYPbPr << 8);
966         }
967
968         tempcx = xgifb_reg_get(pVBInfo->P3d4, 0x3d);
969         tempcx |= (xgifb_reg_get(pVBInfo->P3d4, 0x3e) << 8);
970
971         if (tempbx & tempcx) {
972                 CR3CData = xgifb_reg_get(pVBInfo->P3d4, 0x3c);
973                 if (!(CR3CData & DisplayDeviceFromCMOS))
974                         tempcx = 0x1FF0;
975         } else {
976                 tempcx = 0x1FF0;
977         }
978
979         tempbx &= tempcx;
980         xgifb_reg_set(pVBInfo->P3d4, 0x3d, (tempbx & 0x00FF));
981         xgifb_reg_set(pVBInfo->P3d4, 0x3e, ((tempbx & 0xFF00) >> 8));
982 }
983
984 static void XGINew_SetModeScratch(struct vb_device_info *pVBInfo)
985 {
986         unsigned short temp, tempcl = 0, tempch = 0, CR31Data, CR38Data;
987
988         temp = xgifb_reg_get(pVBInfo->P3d4, 0x3d);
989         temp |= xgifb_reg_get(pVBInfo->P3d4, 0x3e) << 8;
990         temp |= (xgifb_reg_get(pVBInfo->P3d4, 0x31) & (DriverMode >> 8)) << 8;
991
992         if (pVBInfo->IF_DEF_CRT2Monitor == 1) {
993                 if (temp & ActiveCRT2)
994                         tempcl = SetCRT2ToRAMDAC;
995         }
996
997         if (temp & ActiveLCD) {
998                 tempcl |= SetCRT2ToLCD;
999                 if (temp & DriverMode) {
1000                         if (temp & ActiveTV) {
1001                                 tempch = SetToLCDA | EnableDualEdge;
1002                                 temp ^= SetCRT2ToLCD;
1003
1004                                 if ((temp >> 8) & ActiveAVideo)
1005                                         tempcl |= SetCRT2ToAVIDEO;
1006                                 if ((temp >> 8) & ActiveSVideo)
1007                                         tempcl |= SetCRT2ToSVIDEO;
1008                                 if ((temp >> 8) & ActiveSCART)
1009                                         tempcl |= SetCRT2ToSCART;
1010
1011                                 if (pVBInfo->IF_DEF_HiVision == 1) {
1012                                         if ((temp >> 8) & ActiveHiTV)
1013                                                 tempcl |= SetCRT2ToHiVision;
1014                                 }
1015
1016                                 if (pVBInfo->IF_DEF_YPbPr == 1) {
1017                                         if ((temp >> 8) & ActiveYPbPr)
1018                                                 tempch |= SetYPbPr;
1019                                 }
1020                         }
1021                 }
1022         } else {
1023                 if ((temp >> 8) & ActiveAVideo)
1024                         tempcl |= SetCRT2ToAVIDEO;
1025                 if ((temp >> 8) & ActiveSVideo)
1026                         tempcl |= SetCRT2ToSVIDEO;
1027                 if ((temp >> 8) & ActiveSCART)
1028                         tempcl |= SetCRT2ToSCART;
1029
1030                 if (pVBInfo->IF_DEF_HiVision == 1) {
1031                         if ((temp >> 8) & ActiveHiTV)
1032                                 tempcl |= SetCRT2ToHiVision;
1033                 }
1034
1035                 if (pVBInfo->IF_DEF_YPbPr == 1) {
1036                         if ((temp >> 8) & ActiveYPbPr)
1037                                 tempch |= SetYPbPr;
1038                 }
1039         }
1040
1041         tempcl |= SetSimuScanMode;
1042         if ((!(temp & ActiveCRT1)) && ((temp & ActiveLCD) || (temp & ActiveTV)
1043                         || (temp & ActiveCRT2)))
1044                 tempcl ^= (SetSimuScanMode | SwitchCRT2);
1045         if ((temp & ActiveLCD) && (temp & ActiveTV))
1046                 tempcl ^= (SetSimuScanMode | SwitchCRT2);
1047         xgifb_reg_set(pVBInfo->P3d4, 0x30, tempcl);
1048
1049         CR31Data = xgifb_reg_get(pVBInfo->P3d4, 0x31);
1050         CR31Data &= ~(SetNotSimuMode >> 8);
1051         if (!(temp & ActiveCRT1))
1052                 CR31Data |= (SetNotSimuMode >> 8);
1053         CR31Data &= ~(DisableCRT2Display >> 8);
1054         if (!((temp & ActiveLCD) || (temp & ActiveTV) || (temp & ActiveCRT2)))
1055                 CR31Data |= (DisableCRT2Display >> 8);
1056         xgifb_reg_set(pVBInfo->P3d4, 0x31, CR31Data);
1057
1058         CR38Data = xgifb_reg_get(pVBInfo->P3d4, 0x38);
1059         CR38Data &= ~SetYPbPr;
1060         CR38Data |= tempch;
1061         xgifb_reg_set(pVBInfo->P3d4, 0x38, CR38Data);
1062
1063 }
1064
1065 static unsigned short XGINew_SenseLCD(struct xgi_hw_device_info
1066                                                         *HwDeviceExtension,
1067                                       struct vb_device_info *pVBInfo)
1068 {
1069         unsigned short temp = HwDeviceExtension->ulCRT2LCDType;
1070
1071         switch (HwDeviceExtension->ulCRT2LCDType) {
1072         case LCD_640x480:
1073         case LCD_1024x600:
1074         case LCD_1152x864:
1075         case LCD_1280x960:
1076         case LCD_1152x768:
1077         case LCD_1920x1440:
1078         case LCD_2048x1536:
1079                 temp = 0; /* overwrite used ulCRT2LCDType */
1080                 break;
1081         case LCD_UNKNOWN: /* unknown lcd, do nothing */
1082                 return 0;
1083         }
1084         xgifb_reg_and_or(pVBInfo->P3d4, 0x36, 0xF0, temp);
1085         return 1;
1086 }
1087
1088 static void XGINew_GetXG21Sense(struct pci_dev *pdev,
1089                 struct vb_device_info *pVBInfo)
1090 {
1091         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
1092         unsigned char Temp;
1093
1094         if (xgifb_read_vbios(pdev)) { /* For XG21 LVDS */
1095                 xgifb_reg_or(pVBInfo->P3d4, 0x32, LCDSense);
1096                 /* LVDS on chip */
1097                 xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, 0xC0);
1098         } else {
1099                 /* Enable GPIOA/B read  */
1100                 xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x03, 0x03);
1101                 Temp = xgifb_reg_get(pVBInfo->P3d4, 0x48) & 0xC0;
1102                 if (Temp == 0xC0) { /* DVI & DVO GPIOA/B pull high */
1103                         XGINew_SenseLCD(&xgifb_info->hw_info, pVBInfo);
1104                         xgifb_reg_or(pVBInfo->P3d4, 0x32, LCDSense);
1105                         /* Enable read GPIOF */
1106                         xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x20, 0x20);
1107                         if (xgifb_reg_get(pVBInfo->P3d4, 0x48) & 0x04)
1108                                 Temp = 0xA0; /* Only DVO on chip */
1109                         else
1110                                 Temp = 0x80; /* TMDS on chip */
1111                         xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, Temp);
1112                         /* Disable read GPIOF */
1113                         xgifb_reg_and(pVBInfo->P3d4, 0x4A, ~0x20);
1114                 }
1115         }
1116 }
1117
1118 static void XGINew_GetXG27Sense(struct vb_device_info *pVBInfo)
1119 {
1120         unsigned char Temp, bCR4A;
1121
1122         bCR4A = xgifb_reg_get(pVBInfo->P3d4, 0x4A);
1123         /* Enable GPIOA/B/C read  */
1124         xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x07, 0x07);
1125         Temp = xgifb_reg_get(pVBInfo->P3d4, 0x48) & 0x07;
1126         xgifb_reg_set(pVBInfo->P3d4, 0x4A, bCR4A);
1127
1128         if (Temp <= 0x02) {
1129                 /* LVDS setting */
1130                 xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, 0xC0);
1131                 xgifb_reg_set(pVBInfo->P3d4, 0x30, 0x21);
1132         } else {
1133                 /* TMDS/DVO setting */
1134                 xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, 0xA0);
1135         }
1136         xgifb_reg_or(pVBInfo->P3d4, 0x32, LCDSense);
1137
1138 }
1139
1140 static unsigned char GetXG21FPBits(struct vb_device_info *pVBInfo)
1141 {
1142         unsigned char CR38, CR4A, temp;
1143
1144         CR4A = xgifb_reg_get(pVBInfo->P3d4, 0x4A);
1145         /* enable GPIOE read */
1146         xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x10, 0x10);
1147         CR38 = xgifb_reg_get(pVBInfo->P3d4, 0x38);
1148         temp = 0;
1149         if ((CR38 & 0xE0) > 0x80) {
1150                 temp = xgifb_reg_get(pVBInfo->P3d4, 0x48);
1151                 temp &= 0x08;
1152                 temp >>= 3;
1153         }
1154
1155         xgifb_reg_set(pVBInfo->P3d4, 0x4A, CR4A);
1156
1157         return temp;
1158 }
1159
1160 static unsigned char GetXG27FPBits(struct vb_device_info *pVBInfo)
1161 {
1162         unsigned char CR4A, temp;
1163
1164         CR4A = xgifb_reg_get(pVBInfo->P3d4, 0x4A);
1165         /* enable GPIOA/B/C read */
1166         xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x03, 0x03);
1167         temp = xgifb_reg_get(pVBInfo->P3d4, 0x48);
1168         if (temp > 2)
1169                 temp = ((temp & 0x04) >> 1) | ((~temp) & 0x01);
1170
1171         xgifb_reg_set(pVBInfo->P3d4, 0x4A, CR4A);
1172
1173         return temp;
1174 }
1175
1176 static bool xgifb_bridge_is_on(struct vb_device_info *vb_info)
1177 {
1178         u8 flag;
1179
1180         flag = xgifb_reg_get(vb_info->Part4Port, 0x00);
1181         return flag == 1 || flag == 2;
1182 }
1183
1184 unsigned char XGIInitNew(struct pci_dev *pdev)
1185 {
1186         struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
1187         struct xgi_hw_device_info *HwDeviceExtension = &xgifb_info->hw_info;
1188         struct vb_device_info VBINF;
1189         struct vb_device_info *pVBInfo = &VBINF;
1190         unsigned char i, temp = 0, temp1;
1191
1192         pVBInfo->FBAddr = HwDeviceExtension->pjVideoMemoryAddress;
1193
1194         if (pVBInfo->FBAddr == NULL) {
1195                 dev_dbg(&pdev->dev, "pVBInfo->FBAddr == 0\n");
1196                 return 0;
1197         }
1198
1199         XGIRegInit(pVBInfo, xgifb_info->vga_base);
1200
1201         outb(0x67, pVBInfo->P3c2);
1202
1203         InitTo330Pointer(HwDeviceExtension->jChipType, pVBInfo);
1204
1205         /* Openkey */
1206         xgifb_reg_set(pVBInfo->P3c4, 0x05, 0x86);
1207
1208         /* GetXG21Sense (GPIO) */
1209         if (HwDeviceExtension->jChipType == XG21)
1210                 XGINew_GetXG21Sense(pdev, pVBInfo);
1211
1212         if (HwDeviceExtension->jChipType == XG27)
1213                 XGINew_GetXG27Sense(pVBInfo);
1214
1215         /* Reset Extended register */
1216
1217         for (i = 0x06; i < 0x20; i++)
1218                 xgifb_reg_set(pVBInfo->P3c4, i, 0);
1219
1220         for (i = 0x21; i <= 0x27; i++)
1221                 xgifb_reg_set(pVBInfo->P3c4, i, 0);
1222
1223         for (i = 0x31; i <= 0x3B; i++)
1224                 xgifb_reg_set(pVBInfo->P3c4, i, 0);
1225
1226         /* Auto over driver for XG42 */
1227         if (HwDeviceExtension->jChipType == XG42)
1228                 xgifb_reg_set(pVBInfo->P3c4, 0x3B, 0xC0);
1229
1230         for (i = 0x79; i <= 0x7C; i++)
1231                 xgifb_reg_set(pVBInfo->P3d4, i, 0);
1232
1233         if (HwDeviceExtension->jChipType >= XG20)
1234                 xgifb_reg_set(pVBInfo->P3d4, 0x97, pVBInfo->XGINew_CR97);
1235
1236         /* SetDefExt1Regs begin */
1237         xgifb_reg_set(pVBInfo->P3c4, 0x07, XGI330_SR07);
1238         if (HwDeviceExtension->jChipType == XG27) {
1239                 xgifb_reg_set(pVBInfo->P3c4, 0x40, XG27_SR40);
1240                 xgifb_reg_set(pVBInfo->P3c4, 0x41, XG27_SR41);
1241         }
1242         xgifb_reg_set(pVBInfo->P3c4, 0x11, 0x0F);
1243         xgifb_reg_set(pVBInfo->P3c4, 0x1F, XGI330_SR1F);
1244         /* Frame buffer can read/write SR20 */
1245         xgifb_reg_set(pVBInfo->P3c4, 0x20, 0xA0);
1246         /* H/W request for slow corner chip */
1247         xgifb_reg_set(pVBInfo->P3c4, 0x36, 0x70);
1248         if (HwDeviceExtension->jChipType == XG27)
1249                 xgifb_reg_set(pVBInfo->P3c4, 0x36, XG27_SR36);
1250
1251         if (HwDeviceExtension->jChipType < XG20) {
1252                 u32 Temp;
1253
1254                 /* Set AGP customize registers (in SetDefAGPRegs) Start */
1255                 for (i = 0x47; i <= 0x4C; i++)
1256                         xgifb_reg_set(pVBInfo->P3d4,
1257                                       i,
1258                                       XGI340_AGPReg[i - 0x47]);
1259
1260                 for (i = 0x70; i <= 0x71; i++)
1261                         xgifb_reg_set(pVBInfo->P3d4,
1262                                       i,
1263                                       XGI340_AGPReg[6 + i - 0x70]);
1264
1265                 for (i = 0x74; i <= 0x77; i++)
1266                         xgifb_reg_set(pVBInfo->P3d4,
1267                                       i,
1268                                       XGI340_AGPReg[8 + i - 0x74]);
1269
1270                 pci_read_config_dword(pdev, 0x50, &Temp);
1271                 Temp >>= 20;
1272                 Temp &= 0xF;
1273
1274                 if (Temp == 1)
1275                         xgifb_reg_set(pVBInfo->P3d4, 0x48, 0x20); /* CR48 */
1276         } /* != XG20 */
1277
1278         /* Set PCI */
1279         xgifb_reg_set(pVBInfo->P3c4, 0x23, XGI330_SR23);
1280         xgifb_reg_set(pVBInfo->P3c4, 0x24, XGI330_SR24);
1281         xgifb_reg_set(pVBInfo->P3c4, 0x25, 0);
1282
1283         if (HwDeviceExtension->jChipType < XG20) {
1284                 /* Set VB */
1285                 XGI_UnLockCRT2(pVBInfo);
1286                 /* disable VideoCapture */
1287                 xgifb_reg_and_or(pVBInfo->Part0Port, 0x3F, 0xEF, 0x00);
1288                 xgifb_reg_set(pVBInfo->Part1Port, 0x00, 0x00);
1289                 /* chk if BCLK>=100MHz */
1290                 temp1 = xgifb_reg_get(pVBInfo->P3d4, 0x7B);
1291
1292                 xgifb_reg_set(pVBInfo->Part1Port,
1293                               0x02, XGI330_CRT2Data_1_2);
1294
1295                 xgifb_reg_set(pVBInfo->Part1Port, 0x2E, 0x08); /* use VB */
1296         } /* != XG20 */
1297
1298         xgifb_reg_set(pVBInfo->P3c4, 0x27, 0x1F);
1299
1300         if ((HwDeviceExtension->jChipType == XG42) &&
1301             XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo) != 0) {
1302                 /* Not DDR */
1303                 xgifb_reg_set(pVBInfo->P3c4,
1304                               0x31,
1305                               (XGI330_SR31 & 0x3F) | 0x40);
1306                 xgifb_reg_set(pVBInfo->P3c4,
1307                               0x32,
1308                               (XGI330_SR32 & 0xFC) | 0x01);
1309         } else {
1310                 xgifb_reg_set(pVBInfo->P3c4, 0x31, XGI330_SR31);
1311                 xgifb_reg_set(pVBInfo->P3c4, 0x32, XGI330_SR32);
1312         }
1313         xgifb_reg_set(pVBInfo->P3c4, 0x33, XGI330_SR33);
1314
1315         if (HwDeviceExtension->jChipType < XG20) {
1316                 if (xgifb_bridge_is_on(pVBInfo)) {
1317                         xgifb_reg_set(pVBInfo->Part2Port, 0x00, 0x1C);
1318                         xgifb_reg_set(pVBInfo->Part4Port,
1319                                       0x0D, XGI330_CRT2Data_4_D);
1320                         xgifb_reg_set(pVBInfo->Part4Port,
1321                                       0x0E, XGI330_CRT2Data_4_E);
1322                         xgifb_reg_set(pVBInfo->Part4Port,
1323                                       0x10, XGI330_CRT2Data_4_10);
1324                         xgifb_reg_set(pVBInfo->Part4Port, 0x0F, 0x3F);
1325                         XGI_LockCRT2(pVBInfo);
1326                 }
1327         } /* != XG20 */
1328
1329         XGI_SenseCRT1(pVBInfo);
1330
1331         if (HwDeviceExtension->jChipType == XG21) {
1332
1333                 xgifb_reg_and_or(pVBInfo->P3d4,
1334                                  0x32,
1335                                  ~Monitor1Sense,
1336                                  Monitor1Sense); /* Z9 default has CRT */
1337                 temp = GetXG21FPBits(pVBInfo);
1338                 xgifb_reg_and_or(pVBInfo->P3d4, 0x37, ~0x01, temp);
1339
1340         }
1341         if (HwDeviceExtension->jChipType == XG27) {
1342                 xgifb_reg_and_or(pVBInfo->P3d4,
1343                                  0x32,
1344                                  ~Monitor1Sense,
1345                                  Monitor1Sense); /* Z9 default has CRT */
1346                 temp = GetXG27FPBits(pVBInfo);
1347                 xgifb_reg_and_or(pVBInfo->P3d4, 0x37, ~0x03, temp);
1348         }
1349
1350         pVBInfo->ram_type = XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
1351
1352         XGINew_SetDRAMDefaultRegister340(HwDeviceExtension,
1353                                          pVBInfo->P3d4,
1354                                          pVBInfo);
1355
1356         XGINew_SetDRAMSize_340(xgifb_info, HwDeviceExtension, pVBInfo);
1357
1358         xgifb_reg_set(pVBInfo->P3c4, 0x22, 0xfa);
1359         xgifb_reg_set(pVBInfo->P3c4, 0x21, 0xa3);
1360
1361         XGINew_ChkSenseStatus(pVBInfo);
1362         XGINew_SetModeScratch(pVBInfo);
1363
1364         xgifb_reg_set(pVBInfo->P3d4, 0x8c, 0x87);
1365
1366         return 1;
1367 } /* end of init */