2 * XG20, XG21, XG40, XG42 frame buffer device
3 * for Linux kernels 2.5.x, 2.6.x
4 * Base on TW's sis fbdev code.
7 /* #include <linux/config.h> */
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/kernel.h>
11 #include <linux/spinlock.h>
12 #include <linux/errno.h>
13 #include <linux/string.h>
15 #include <linux/tty.h>
16 #include <linux/slab.h>
17 #include <linux/delay.h>
19 #include <linux/console.h>
20 #include <linux/selection.h>
21 #include <linux/ioport.h>
22 #include <linux/init.h>
23 #include <linux/pci.h>
24 #include <linux/vmalloc.h>
25 #include <linux/vt_kern.h>
26 #include <linux/capability.h>
28 #include <linux/types.h>
29 #include <linux/proc_fs.h>
41 #include "vb_setmode.h"
43 #define Index_CR_GPIO_Reg1 0x48
44 #define Index_CR_GPIO_Reg3 0x4a
46 #define GPIOG_EN (1<<6)
47 #define GPIOG_READ (1<<1)
49 #define XGIFB_ROM_SIZE 65536
53 static unsigned int refresh_rate;
55 /* -------------------- Macro definitions ---------------------------- */
60 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
62 #define DPRINTK(fmt, args...)
66 static void dumpVGAReg(void)
70 xgifb_reg_set(XGISR, 0x05, 0x86);
72 xgifb_reg_set(XGISR, 0x08, 0x4f);
73 xgifb_reg_set(XGISR, 0x0f, 0x20);
74 xgifb_reg_set(XGISR, 0x11, 0x4f);
75 xgifb_reg_set(XGISR, 0x13, 0x45);
76 xgifb_reg_set(XGISR, 0x14, 0x51);
77 xgifb_reg_set(XGISR, 0x1e, 0x41);
78 xgifb_reg_set(XGISR, 0x1f, 0x0);
79 xgifb_reg_set(XGISR, 0x20, 0xa1);
80 xgifb_reg_set(XGISR, 0x22, 0xfb);
81 xgifb_reg_set(XGISR, 0x26, 0x22);
82 xgifb_reg_set(XGISR, 0x3e, 0x07);
85 /* xgifb_reg_set(XGICR, 0x19, 0x00); */
86 /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
87 /* xgifb_reg_set(XGICR, 0x22, 0xff); */
88 /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
90 /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
92 /* xgifb_reg_set(XGICR, 0x57, 0x0); */
93 /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
95 /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
96 /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
98 xgifb_reg_set(XGICR, 0x99, 0x1);
99 xgifb_reg_set(XGICR, 0x41, 0x40);
102 for (i = 0; i < 0x4f; i++) {
103 reg = xgifb_reg_get(XGISR, i);
104 printk("\no 3c4 %x", i);
105 printk("\ni 3c5 => %x", reg);
108 for (i = 0; i < 0xF0; i++) {
109 reg = xgifb_reg_get(XGICR, i);
110 printk("\no 3d4 %x", i);
111 printk("\ni 3d5 => %x", reg);
114 xgifb_reg_set(XGIPART1,0x2F,1);
115 for (i=1; i < 0x50; i++) {
116 reg = xgifb_reg_get(XGIPART1, i);
117 printk("\no d004 %x", i);
118 printk("\ni d005 => %x", reg);
121 for (i=0; i < 0x50; i++) {
122 reg = xgifb_reg_get(XGIPART2, i);
123 printk("\no d010 %x", i);
124 printk("\ni d011 => %x", reg);
126 for (i=0; i < 0x50; i++) {
127 reg = xgifb_reg_get(XGIPART3, i);
128 printk("\no d012 %x",i);
129 printk("\ni d013 => %x",reg);
131 for (i=0; i < 0x50; i++) {
132 reg = xgifb_reg_get(XGIPART4, i);
133 printk("\no d014 %x",i);
134 printk("\ni d015 => %x",reg);
139 static inline void dumpVGAReg(void)
147 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
150 /* --------------- Hardware Access Routines -------------------------- */
152 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
153 struct xgi_hw_device_info *HwDeviceExtension,
154 unsigned char modeno, unsigned char rateindex)
156 unsigned short ModeNo = modeno;
157 unsigned short ModeIdIndex = 0, ClockIndex = 0;
158 unsigned short RefreshRateTableIndex = 0;
160 /* unsigned long temp = 0; */
162 XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
163 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
165 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
166 ModeIdIndex, XGI_Pr);
169 temp = XGI_SearchModeID(ModeNo , &ModeIdIndex, XGI_Pr) ;
171 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
175 RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
176 RefreshRateTableIndex += (rateindex - 1);
179 ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
181 Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
186 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
187 struct xgi_hw_device_info *HwDeviceExtension,
188 unsigned char modeno, unsigned char rateindex,
189 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
190 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
193 unsigned short ModeNo = modeno;
194 unsigned short ModeIdIndex = 0, index = 0;
195 unsigned short RefreshRateTableIndex = 0;
197 unsigned short VRE, VBE, VRS, VBS, VDE, VT;
198 unsigned short HRE, HBE, HRS, HBS, HDE, HT;
199 unsigned char sr_data, cr_data, cr_data2;
200 unsigned long cr_data3;
201 int A, B, C, D, E, F, temp, j;
202 XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
203 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
204 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
205 ModeIdIndex, XGI_Pr);
207 temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
211 RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
212 RefreshRateTableIndex += (rateindex - 1);
214 index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
216 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
218 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
220 /* Horizontal total */
221 HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
225 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
227 Horizontal display enable end
228 HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
230 HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
233 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
235 /* Horizontal retrace (=sync) start */
236 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
239 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
241 /* Horizontal blank start */
242 HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
244 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
246 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
248 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
250 /* Horizontal blank end */
251 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
252 | ((unsigned short) (sr_data & 0x03) << 6);
254 /* Horizontal retrace (=sync) end */
255 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
257 temp = HBE - ((E - 1) & 255);
258 B = (temp > 0) ? temp : (temp + 256);
260 temp = HRE - ((E + F + 3) & 63);
261 C = (temp > 0) ? temp : (temp + 64);
265 *left_margin = D * 8;
266 *right_margin = F * 8;
269 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
271 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
273 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
276 VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
277 | ((unsigned short) (cr_data2 & 0x20) << 4)
278 | ((unsigned short) (sr_data & 0x01) << 10);
281 /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
283 /* Vertical display enable end */
285 VDE = (cr_data & 0xff) |
286 ((unsigned short) (cr_data2 & 0x02) << 7) |
287 ((unsigned short) (cr_data2 & 0x40) << 3) |
288 ((unsigned short) (sr_data & 0x02) << 9);
290 VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
293 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
295 /* Vertical retrace (=sync) start */
296 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
297 | ((unsigned short) (cr_data2 & 0x80) << 2)
298 | ((unsigned short) (sr_data & 0x08) << 7);
301 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
303 cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
305 /* Vertical blank start */
306 VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
307 | ((unsigned short) (cr_data3 & 0x20) << 4)
308 | ((unsigned short) (sr_data & 0x04) << 8);
310 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
312 /* Vertical blank end */
313 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
314 temp = VBE - ((E - 1) & 511);
315 B = (temp > 0) ? temp : (temp + 512);
317 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
319 /* Vertical retrace (=sync) end */
320 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
321 temp = VRE - ((E + F - 1) & 31);
322 C = (temp > 0) ? temp : (temp + 32);
330 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
331 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
333 *sync |= FB_SYNC_VERT_HIGH_ACT;
335 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
336 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
338 *sync |= FB_SYNC_HOR_HIGH_ACT;
340 *vmode = FB_VMODE_NONINTERLACED;
341 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
342 *vmode = FB_VMODE_INTERLACED;
345 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
346 if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
347 XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
348 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
350 *vmode = FB_VMODE_DOUBLE;
361 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
363 XGI_Pr->RelIO = BaseAddr;
364 XGI_Pr->P3c4 = BaseAddr + 0x14;
365 XGI_Pr->P3d4 = BaseAddr + 0x24;
366 XGI_Pr->P3c0 = BaseAddr + 0x10;
367 XGI_Pr->P3ce = BaseAddr + 0x1e;
368 XGI_Pr->P3c2 = BaseAddr + 0x12;
369 XGI_Pr->P3ca = BaseAddr + 0x1a;
370 XGI_Pr->P3c6 = BaseAddr + 0x16;
371 XGI_Pr->P3c7 = BaseAddr + 0x17;
372 XGI_Pr->P3c8 = BaseAddr + 0x18;
373 XGI_Pr->P3c9 = BaseAddr + 0x19;
374 XGI_Pr->P3da = BaseAddr + 0x2A;
375 /* Digital video interface registers (LCD) */
376 XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
377 /* 301 TV Encoder registers */
378 XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
379 /* 301 Macrovision registers */
380 XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
381 /* 301 VGA2 (and LCD) registers */
382 XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
383 /* 301 palette address port registers */
384 XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
388 /* ------------------ Internal helper routines ----------------- */
390 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
394 int XGIfb_mode_idx = 0;
397 while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
398 && (XGIbios_mode[XGIfb_mode_idx].xres
399 <= XGI21_LCDCapList[0].LVDSHDE)) {
400 if ((XGIbios_mode[XGIfb_mode_idx].xres
401 == XGI21_LCDCapList[0].LVDSHDE)
402 && (XGIbios_mode[XGIfb_mode_idx].yres
403 == XGI21_LCDCapList[0].LVDSVDE)
404 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
413 return XGIfb_mode_idx;
416 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
421 while (XGIbios_mode[i].mode_no != 0) {
422 l = min(strlen(name), strlen(XGIbios_mode[i].name));
423 if (!strncmp(name, XGIbios_mode[i].name, l)) {
424 xgifb_info->mode_idx = i;
431 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
434 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
435 unsigned int vesamode)
442 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
444 while (XGIbios_mode[i].mode_no != 0) {
445 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
446 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
447 xgifb_info->mode_idx = i;
456 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
459 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
462 void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
465 tmp = xgifb_reg_get(XGISR, 0x1e);
466 xgifb_reg_set(XGISR, 0x1e, tmp | 4);
468 if ((readb(data) == 0x55) &&
469 (readb(data + 1) == 0xAA) &&
470 (readb(data + 0x65) & 0x1)) {
471 i = readw(data + 0x316);
472 j = readb(data + i - 1);
478 XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
479 XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
480 XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
481 XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
482 XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
483 XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
484 XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
485 XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
486 XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
487 XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
488 XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
489 XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
490 XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
491 XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
492 XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
493 XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
497 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
498 / sizeof(struct XGI21_LVDSCapStruct))));
504 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
507 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
509 if (xgifb_info->chip == XG21) {
510 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
511 xres = XGI21_LCDCapList[0].LVDSHDE;
512 yres = XGI21_LCDCapList[0].LVDSVDE;
513 if (XGIbios_mode[myindex].xres > xres)
515 if (XGIbios_mode[myindex].yres > yres)
517 if ((XGIbios_mode[myindex].xres < xres) &&
518 (XGIbios_mode[myindex].yres < yres)) {
519 if (XGIbios_mode[myindex].bpp > 8)
528 /* FIXME: for now, all is valid on XG27 */
529 if (xgifb_info->chip == XG27)
532 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
535 switch (xgifb_info->display2) {
537 switch (hw_info->ulCRT2LCDType) {
578 /* case LCD_320x480: */ /* TW: FSTN */
589 if (XGIbios_mode[myindex].xres > xres)
591 if (XGIbios_mode[myindex].yres > yres)
593 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
594 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
595 switch (XGIbios_mode[myindex].xres) {
597 if (XGIbios_mode[myindex].yres != 512)
599 if (hw_info->ulCRT2LCDType == LCD_1024x600)
603 if ((XGIbios_mode[myindex].yres != 400)
604 && (XGIbios_mode[myindex].yres
609 if (XGIbios_mode[myindex].yres != 600)
613 if ((XGIbios_mode[myindex].yres != 600) &&
614 (XGIbios_mode[myindex].yres != 768))
616 if ((XGIbios_mode[myindex].yres == 600) &&
617 (hw_info->ulCRT2LCDType != LCD_1024x600))
621 if ((XGIbios_mode[myindex].yres) != 768)
623 if (hw_info->ulCRT2LCDType != LCD_1152x768)
627 if ((XGIbios_mode[myindex].yres != 768) &&
628 (XGIbios_mode[myindex].yres != 1024))
630 if ((XGIbios_mode[myindex].yres == 768) &&
631 (hw_info->ulCRT2LCDType != LCD_1280x768))
635 if (XGIbios_mode[myindex].yres != 1050)
639 if (XGIbios_mode[myindex].yres != 1200)
646 switch (XGIbios_mode[myindex].xres) {
648 if (XGIbios_mode[myindex].yres != 512)
652 if ((XGIbios_mode[myindex].yres != 400) &&
653 (XGIbios_mode[myindex].yres != 480))
657 if (XGIbios_mode[myindex].yres != 600)
661 if (XGIbios_mode[myindex].yres != 768)
665 if ((XGIbios_mode[myindex].yres != 960) &&
666 (XGIbios_mode[myindex].yres != 1024))
668 if (XGIbios_mode[myindex].yres == 960) {
669 if (hw_info->ulCRT2LCDType ==
675 if (XGIbios_mode[myindex].yres != 1050)
679 if (XGIbios_mode[myindex].yres != 1200)
688 switch (XGIbios_mode[myindex].xres) {
694 if (xgifb_info->TV_type == TVMODE_NTSC) {
695 if (XGIbios_mode[myindex].yres != 480)
697 } else if (xgifb_info->TV_type == TVMODE_PAL) {
698 if (XGIbios_mode[myindex].yres != 576)
701 /* TW: LVDS/CHRONTEL does not support 720 */
702 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
703 xgifb_info->hasVB == HASVB_CHRONTEL) {
708 if (xgifb_info->TV_type == TVMODE_NTSC) {
709 if (XGIbios_mode[myindex].bpp == 32)
718 if (XGIbios_mode[myindex].xres > 1280)
721 case XGIFB_DISP_NONE:
728 static void XGIfb_search_crt2type(const char *name)
735 while (XGI_crt2type[i].type_no != -1) {
736 if (!strcmp(name, XGI_crt2type[i].name)) {
737 XGIfb_crt2type = XGI_crt2type[i].type_no;
738 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
743 if (XGIfb_crt2type < 0)
744 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
747 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
753 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
754 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
756 xgifb_info->rate_idx = 0;
757 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
758 if ((XGIfb_vrate[i].xres == xres) &&
759 (XGIfb_vrate[i].yres == yres)) {
760 if (XGIfb_vrate[i].refresh == rate) {
761 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
763 } else if (XGIfb_vrate[i].refresh > rate) {
764 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
765 DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
766 rate, XGIfb_vrate[i].refresh);
767 xgifb_info->rate_idx =
769 xgifb_info->refresh_rate =
770 XGIfb_vrate[i].refresh;
771 } else if (((rate - XGIfb_vrate[i - 1].refresh)
772 <= 2) && (XGIfb_vrate[i].idx
774 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
775 rate, XGIfb_vrate[i-1].refresh);
776 xgifb_info->rate_idx =
777 XGIfb_vrate[i - 1].idx;
778 xgifb_info->refresh_rate =
779 XGIfb_vrate[i - 1].refresh;
782 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
783 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
784 rate, XGIfb_vrate[i].refresh);
785 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
791 if (xgifb_info->rate_idx > 0) {
792 return xgifb_info->rate_idx;
794 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
800 static void XGIfb_search_tvstd(const char *name)
807 while (XGI_tvtype[i].type_no != -1) {
808 if (!strcmp(name, XGI_tvtype[i].name)) {
809 XGIfb_tvmode = XGI_tvtype[i].type_no;
816 /* ----------- FBDev related routines for all series ----------- */
818 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
819 struct fb_var_screeninfo *var)
821 switch (var->bits_per_pixel) {
823 var->red.offset = var->green.offset = var->blue.offset = 0;
824 var->red.length = var->green.length = var->blue.length = 6;
825 xgifb_info->video_cmap_len = 256;
828 var->red.offset = 11;
830 var->green.offset = 5;
831 var->green.length = 6;
832 var->blue.offset = 0;
833 var->blue.length = 5;
834 var->transp.offset = 0;
835 var->transp.length = 0;
836 xgifb_info->video_cmap_len = 16;
839 var->red.offset = 16;
841 var->green.offset = 8;
842 var->green.length = 8;
843 var->blue.offset = 0;
844 var->blue.length = 8;
845 var->transp.offset = 24;
846 var->transp.length = 8;
847 xgifb_info->video_cmap_len = 16;
852 /* --------------------- SetMode routines ------------------------- */
854 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
856 u8 cr30 = 0, cr31 = 0;
858 cr31 = xgifb_reg_get(XGICR, 0x31);
861 switch (xgifb_info->display2) {
863 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
864 cr31 |= XGI_DRIVER_MODE;
867 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
868 cr31 |= XGI_DRIVER_MODE;
871 if (xgifb_info->TV_type == TVMODE_HIVISION)
872 cr30 = (XGI_VB_OUTPUT_HIVISION
873 | XGI_SIMULTANEOUS_VIEW_ENABLE);
874 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
875 cr30 = (XGI_VB_OUTPUT_SVIDEO
876 | XGI_SIMULTANEOUS_VIEW_ENABLE);
877 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
878 cr30 = (XGI_VB_OUTPUT_COMPOSITE
879 | XGI_SIMULTANEOUS_VIEW_ENABLE);
880 else if (xgifb_info->TV_plug == TVPLUG_SCART)
881 cr30 = (XGI_VB_OUTPUT_SCART
882 | XGI_SIMULTANEOUS_VIEW_ENABLE);
883 cr31 |= XGI_DRIVER_MODE;
885 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
890 default: /* disable CRT2 */
892 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
895 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
896 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
897 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
898 (xgifb_info->rate_idx & 0x0F));
901 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
904 unsigned char doit = 1;
906 xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
907 xgifb_reg_set(XGICR, 0x13, 0x00);
908 xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
911 if (xgifb_info->video_bpp == 8) {
912 /* TW: We can't switch off CRT1 on LVDS/Chrontel
914 if ((xgifb_info->hasVB == HASVB_LVDS) ||
915 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
918 /* TW: We can't switch off CRT1 on 301B-DH
919 * in 8bpp Modes if using LCD */
920 if (xgifb_info->display2 == XGIFB_DISP_LCD)
924 /* TW: We can't switch off CRT1 if bridge is in slave mode */
925 if (xgifb_info->hasVB != HASVB_NONE) {
926 reg = xgifb_reg_get(XGIPART1, 0x00);
928 if ((reg & 0x50) == 0x10)
935 reg = xgifb_reg_get(XGICR, 0x17);
936 if ((XGIfb_crt1off) && (doit))
940 xgifb_reg_set(XGICR, 0x17, reg);
942 xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
944 if (xgifb_info->display2 == XGIFB_DISP_TV &&
945 xgifb_info->hasVB == HASVB_301) {
947 reg = xgifb_reg_get(XGIPART4, 0x01);
949 if (reg < 0xB0) { /* Set filter for XGI301 */
952 switch (xgifb_info->video_width) {
954 filter_tb = (xgifb_info->TV_type ==
955 TVMODE_NTSC) ? 4 : 12;
958 filter_tb = (xgifb_info->TV_type ==
959 TVMODE_NTSC) ? 5 : 13;
962 filter_tb = (xgifb_info->TV_type ==
963 TVMODE_NTSC) ? 6 : 14;
966 filter_tb = (xgifb_info->TV_type ==
967 TVMODE_NTSC) ? 7 : 15;
974 xgifb_reg_or(XGIPART1,
975 IND_XGI_CRT2_WRITE_ENABLE_315,
978 if (xgifb_info->TV_type == TVMODE_NTSC) {
980 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
982 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
984 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
986 } else if (xgifb_info->TV_plug
987 == TVPLUG_COMPOSITE) {
989 xgifb_reg_or(XGIPART2, 0x30, 0x20);
991 switch (xgifb_info->video_width) {
993 xgifb_reg_set(XGIPART2,
996 xgifb_reg_set(XGIPART2,
999 xgifb_reg_set(XGIPART2,
1002 xgifb_reg_set(XGIPART2,
1007 xgifb_reg_set(XGIPART2,
1010 xgifb_reg_set(XGIPART2,
1013 xgifb_reg_set(XGIPART2,
1016 xgifb_reg_set(XGIPART2,
1021 xgifb_reg_set(XGIPART2,
1024 xgifb_reg_set(XGIPART2,
1027 xgifb_reg_set(XGIPART2,
1030 xgifb_reg_set(XGIPART2,
1037 } else if (xgifb_info->TV_type == TVMODE_PAL) {
1039 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1041 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1043 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1045 } else if (xgifb_info->TV_plug
1046 == TVPLUG_COMPOSITE) {
1048 xgifb_reg_or(XGIPART2, 0x30, 0x20);
1050 switch (xgifb_info->video_width) {
1052 xgifb_reg_set(XGIPART2,
1055 xgifb_reg_set(XGIPART2,
1058 xgifb_reg_set(XGIPART2,
1061 xgifb_reg_set(XGIPART2,
1066 xgifb_reg_set(XGIPART2,
1069 xgifb_reg_set(XGIPART2,
1072 xgifb_reg_set(XGIPART2,
1075 xgifb_reg_set(XGIPART2,
1080 xgifb_reg_set(XGIPART2,
1083 xgifb_reg_set(XGIPART2,
1086 xgifb_reg_set(XGIPART2,
1089 xgifb_reg_set(XGIPART2,
1097 if ((filter >= 0) && (filter <= 7)) {
1098 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1100 XGI_TV_filter[filter_tb].
1102 XGI_TV_filter[filter_tb].
1104 XGI_TV_filter[filter_tb].
1106 XGI_TV_filter[filter_tb].
1112 (XGI_TV_filter[filter_tb].
1113 filter[filter][0]));
1117 (XGI_TV_filter[filter_tb].
1118 filter[filter][1]));
1122 (XGI_TV_filter[filter_tb].
1123 filter[filter][2]));
1127 (XGI_TV_filter[filter_tb].
1128 filter[filter][3]));
1134 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1135 struct fb_info *info)
1137 struct xgifb_video_info *xgifb_info = info->par;
1138 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1139 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1141 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1143 #if defined(__powerpc__)
1144 u8 sr_data, cr_data;
1146 unsigned int drate = 0, hrate = 0;
1149 /* unsigned char reg, reg1; */
1151 DEBUGPRN("Inside do_set_var");
1152 /* printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres, var->upper_margin, var->lower_margin, var->vsync_len); */
1154 info->var.xres_virtual = var->xres_virtual;
1155 info->var.yres_virtual = var->yres_virtual;
1156 info->var.bits_per_pixel = var->bits_per_pixel;
1158 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1160 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1162 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1164 /* var->yres <<= 1; */
1167 if (!htotal || !vtotal) {
1168 DPRINTK("XGIfb: Invalid 'var' information\n");
1170 } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1171 var->pixclock, htotal, vtotal);
1173 if (var->pixclock && htotal && vtotal) {
1174 drate = 1000000000 / var->pixclock;
1175 hrate = (drate * 1000) / htotal;
1176 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1179 xgifb_info->refresh_rate = 60;
1182 printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1185 var->bits_per_pixel,
1186 xgifb_info->refresh_rate);
1188 old_mode = xgifb_info->mode_idx;
1189 xgifb_info->mode_idx = 0;
1191 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1192 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1193 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1194 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1195 (XGIbios_mode[xgifb_info->mode_idx].bpp
1196 == var->bits_per_pixel)) {
1200 xgifb_info->mode_idx++;
1204 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1205 xgifb_info->mode_idx);
1207 xgifb_info->mode_idx = -1;
1209 if (xgifb_info->mode_idx < 0) {
1210 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1211 var->xres, var->yres, var->bits_per_pixel);
1212 xgifb_info->mode_idx = old_mode;
1216 if (XGIfb_search_refresh_rate(xgifb_info,
1217 xgifb_info->refresh_rate) == 0) {
1218 xgifb_info->rate_idx =
1219 XGIbios_mode[xgifb_info->mode_idx].rate_idx;
1220 xgifb_info->refresh_rate = 60;
1225 XGIfb_pre_setmode(xgifb_info);
1226 if (XGISetModeNew(hw_info,
1227 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1229 printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1230 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1233 info->fix.line_length = ((info->var.xres_virtual
1234 * info->var.bits_per_pixel) >> 6);
1236 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1238 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1239 xgifb_reg_set(XGISR,
1241 (info->fix.line_length & 0xff00) >> 8);
1243 XGIfb_post_setmode(xgifb_info);
1245 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1246 XGIbios_mode[xgifb_info->mode_idx].xres,
1247 XGIbios_mode[xgifb_info->mode_idx].yres,
1248 XGIbios_mode[xgifb_info->mode_idx].bpp,
1249 xgifb_info->refresh_rate);
1251 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1252 xgifb_info->video_vwidth = info->var.xres_virtual;
1253 xgifb_info->video_width =
1254 XGIbios_mode[xgifb_info->mode_idx].xres;
1255 xgifb_info->video_vheight = info->var.yres_virtual;
1256 xgifb_info->video_height =
1257 XGIbios_mode[xgifb_info->mode_idx].yres;
1258 xgifb_info->org_x = xgifb_info->org_y = 0;
1259 xgifb_info->video_linelength = info->var.xres_virtual
1260 * (xgifb_info->video_bpp >> 3);
1261 switch (xgifb_info->video_bpp) {
1263 xgifb_info->DstColor = 0x0000;
1264 xgifb_info->XGI310_AccelDepth = 0x00000000;
1265 xgifb_info->video_cmap_len = 256;
1266 #if defined(__powerpc__)
1267 cr_data = xgifb_reg_get(XGICR, 0x4D);
1268 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1272 xgifb_info->DstColor = 0x8000;
1273 xgifb_info->XGI310_AccelDepth = 0x00010000;
1274 #if defined(__powerpc__)
1275 cr_data = xgifb_reg_get(XGICR, 0x4D);
1276 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1278 xgifb_info->video_cmap_len = 16;
1281 xgifb_info->DstColor = 0xC000;
1282 xgifb_info->XGI310_AccelDepth = 0x00020000;
1283 xgifb_info->video_cmap_len = 16;
1284 #if defined(__powerpc__)
1285 cr_data = xgifb_reg_get(XGICR, 0x4D);
1286 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1290 xgifb_info->video_cmap_len = 16;
1291 printk(KERN_ERR "XGIfb: Unsupported depth %d",
1292 xgifb_info->video_bpp);
1296 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1297 DEBUGPRN("End of do_set_var");
1303 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1305 struct xgifb_video_info *xgifb_info = info->par;
1308 /* printk("Inside pan_var"); */
1310 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1312 /* calculate base bpp dep. */
1313 switch (info->var.bits_per_pixel) {
1325 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1327 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1328 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1329 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1330 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1331 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1333 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1334 xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01);
1335 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1336 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1337 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1338 xgifb_reg_and_or(XGIPART1,
1341 ((base >> 24) & 0x01) << 7);
1343 /* printk("End of pan_var"); */
1347 static int XGIfb_open(struct fb_info *info, int user)
1352 static int XGIfb_release(struct fb_info *info, int user)
1357 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1361 switch (var->bits_per_pixel) {
1375 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1376 unsigned blue, unsigned transp, struct fb_info *info)
1378 struct xgifb_video_info *xgifb_info = info->par;
1380 if (regno >= XGIfb_get_cmap_len(&info->var))
1383 switch (info->var.bits_per_pixel) {
1385 outb(regno, XGIDACA);
1386 outb((red >> 10), XGIDACD);
1387 outb((green >> 10), XGIDACD);
1388 outb((blue >> 10), XGIDACD);
1389 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1390 outb(regno, XGIDAC2A);
1391 outb((red >> 8), XGIDAC2D);
1392 outb((green >> 8), XGIDAC2D);
1393 outb((blue >> 8), XGIDAC2D);
1397 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1398 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1405 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1412 /* ----------- FBDev related routines for all series ---------- */
1414 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1415 struct fb_info *info)
1417 struct xgifb_video_info *xgifb_info = info->par;
1419 DEBUGPRN("inside get_fix");
1420 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1422 fix->smem_start = xgifb_info->video_base;
1424 fix->smem_len = xgifb_info->video_size;
1426 fix->type = FB_TYPE_PACKED_PIXELS;
1428 if (xgifb_info->video_bpp == 8)
1429 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1431 fix->visual = FB_VISUAL_DIRECTCOLOR;
1436 fix->line_length = xgifb_info->video_linelength;
1437 fix->mmio_start = xgifb_info->mmio_base;
1438 fix->mmio_len = xgifb_info->mmio_size;
1439 fix->accel = FB_ACCEL_XGI_XABRE;
1441 DEBUGPRN("end of get_fix");
1445 static int XGIfb_set_par(struct fb_info *info)
1449 /* printk("XGIfb: inside set_par\n"); */
1450 err = XGIfb_do_set_var(&info->var, 1, info);
1453 XGIfb_get_fix(&info->fix, -1, info);
1454 /* printk("XGIfb: end of set_par\n"); */
1458 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1460 struct xgifb_video_info *xgifb_info = info->par;
1461 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1463 unsigned int vtotal = 0;
1464 unsigned int drate = 0, hrate = 0;
1466 int refresh_rate, search_idx;
1468 DEBUGPRN("Inside check_var");
1470 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1471 vtotal = var->upper_margin + var->yres + var->lower_margin
1474 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1475 vtotal = var->upper_margin + var->yres + var->lower_margin
1478 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1479 vtotal = var->upper_margin + (var->yres / 2)
1480 + var->lower_margin + var->vsync_len;
1482 vtotal = var->upper_margin + var->yres + var->lower_margin
1485 if (!(htotal) || !(vtotal))
1486 XGIFAIL("XGIfb: no valid timing data");
1488 if (var->pixclock && htotal && vtotal) {
1489 drate = 1000000000 / var->pixclock;
1490 hrate = (drate * 1000) / htotal;
1491 xgifb_info->refresh_rate =
1492 (unsigned int) (hrate * 2 / vtotal);
1494 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1495 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1496 __func__, var->pixclock, htotal, vtotal,
1497 __func__, drate, hrate, xgifb_info->refresh_rate);
1499 xgifb_info->refresh_rate = 60;
1503 if ((var->pixclock) && (htotal)) {
1504 drate = 1E12 / var->pixclock;
1505 hrate = drate / htotal;
1506 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1511 /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1512 if ((var->xres == 1024) && (var->yres == 600))
1516 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1517 (XGIbios_mode[search_idx].xres <= var->xres)) {
1518 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1519 (XGIbios_mode[search_idx].yres == var->yres) &&
1520 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1521 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1531 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1532 var->xres, var->yres, var->bits_per_pixel);
1534 while (XGIbios_mode[search_idx].mode_no != 0) {
1535 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1536 (var->yres <= XGIbios_mode[search_idx].yres) &&
1537 (var->bits_per_pixel ==
1538 XGIbios_mode[search_idx].bpp)) {
1539 if (XGIfb_validate_mode(xgifb_info,
1548 var->xres = XGIbios_mode[search_idx].xres;
1549 var->yres = XGIbios_mode[search_idx].yres;
1550 printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1551 var->xres, var->yres, var->bits_per_pixel);
1554 printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1555 var->xres, var->yres, var->bits_per_pixel);
1560 /* TW: TODO: Check the refresh rate */
1562 /* Adapt RGB settings */
1563 XGIfb_bpp_to_var(xgifb_info, var);
1565 /* Sanity check for offsets */
1566 if (var->xoffset < 0)
1568 if (var->yoffset < 0)
1572 if (var->xres != var->xres_virtual)
1573 var->xres_virtual = var->xres;
1574 if (var->yres != var->yres_virtual)
1575 var->yres_virtual = var->yres;
1577 /* TW: Now patch yres_virtual if we use panning */
1578 /* May I do this? */
1579 /* var->yres_virtual = xgifb_info->heapstart /
1580 (var->xres * (var->bits_per_pixel >> 3)); */
1581 /* if (var->yres_virtual <= var->yres) { */
1582 /* TW: Paranoia check */
1583 /* var->yres_virtual = var->yres; */
1587 /* Truncate offsets to maximum if too high */
1588 if (var->xoffset > var->xres_virtual - var->xres)
1589 var->xoffset = var->xres_virtual - var->xres - 1;
1591 if (var->yoffset > var->yres_virtual - var->yres)
1592 var->yoffset = var->yres_virtual - var->yres - 1;
1594 /* Set everything else to 0 */
1595 var->red.msb_right =
1596 var->green.msb_right =
1597 var->blue.msb_right =
1598 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1600 DEBUGPRN("end of check_var");
1604 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1605 struct fb_info *info)
1609 /* printk("\nInside pan_display:\n"); */
1611 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1613 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1616 if (var->vmode & FB_VMODE_YWRAP) {
1617 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1621 if (var->xoffset + info->var.xres > info->var.xres_virtual
1622 || var->yoffset + info->var.yres
1623 > info->var.yres_virtual)
1626 err = XGIfb_pan_var(var, info);
1630 info->var.xoffset = var->xoffset;
1631 info->var.yoffset = var->yoffset;
1632 if (var->vmode & FB_VMODE_YWRAP)
1633 info->var.vmode |= FB_VMODE_YWRAP;
1635 info->var.vmode &= ~FB_VMODE_YWRAP;
1637 /* printk("End of pan_display\n"); */
1641 static int XGIfb_blank(int blank, struct fb_info *info)
1643 struct xgifb_video_info *xgifb_info = info->par;
1646 reg = xgifb_reg_get(XGICR, 0x17);
1653 xgifb_reg_set(XGICR, 0x17, reg);
1654 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1655 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1659 static struct fb_ops XGIfb_ops = {
1660 .owner = THIS_MODULE,
1661 .fb_open = XGIfb_open,
1662 .fb_release = XGIfb_release,
1663 .fb_check_var = XGIfb_check_var,
1664 .fb_set_par = XGIfb_set_par,
1665 .fb_setcolreg = XGIfb_setcolreg,
1666 .fb_pan_display = XGIfb_pan_display,
1667 .fb_blank = XGIfb_blank,
1668 .fb_fillrect = cfb_fillrect,
1669 .fb_copyarea = cfb_copyarea,
1670 .fb_imageblit = cfb_imageblit,
1671 /* .fb_mmap = XGIfb_mmap, */
1674 /* ---------------- Chip generation dependent routines ---------------- */
1676 /* for XGI 315/550/650/740/330 */
1678 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1684 /* xorg driver sets 32MB * 1 channel */
1685 if (xgifb_info->chip == XG27)
1686 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1688 reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1689 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1690 case XGI_DRAM_SIZE_1MB:
1691 xgifb_info->video_size = 0x100000;
1693 case XGI_DRAM_SIZE_2MB:
1694 xgifb_info->video_size = 0x200000;
1696 case XGI_DRAM_SIZE_4MB:
1697 xgifb_info->video_size = 0x400000;
1699 case XGI_DRAM_SIZE_8MB:
1700 xgifb_info->video_size = 0x800000;
1702 case XGI_DRAM_SIZE_16MB:
1703 xgifb_info->video_size = 0x1000000;
1705 case XGI_DRAM_SIZE_32MB:
1706 xgifb_info->video_size = 0x2000000;
1708 case XGI_DRAM_SIZE_64MB:
1709 xgifb_info->video_size = 0x4000000;
1711 case XGI_DRAM_SIZE_128MB:
1712 xgifb_info->video_size = 0x8000000;
1714 case XGI_DRAM_SIZE_256MB:
1715 xgifb_info->video_size = 0x10000000;
1721 tmp = (reg & 0x0c) >> 2;
1722 switch (xgifb_info->chip) {
1758 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1759 /* PLiad fixed for benchmarking and fb set */
1760 /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1761 /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1763 printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1765 xgifb_info->video_size, ChannelNum);
1770 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1774 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1776 switch (xgifb_info->hasVB) {
1777 case HASVB_LVDS_CHRONTEL:
1778 case HASVB_CHRONTEL:
1782 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1786 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1788 if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1797 if (XGIfb_crt2type != -1)
1798 /* TW: Override with option */
1799 xgifb_info->display2 = XGIfb_crt2type;
1800 else if (cr32 & XGI_VB_TV)
1801 xgifb_info->display2 = XGIFB_DISP_TV;
1802 else if (cr32 & XGI_VB_LCD)
1803 xgifb_info->display2 = XGIFB_DISP_LCD;
1804 else if (cr32 & XGI_VB_CRT2)
1805 xgifb_info->display2 = XGIFB_DISP_CRT;
1807 xgifb_info->display2 = XGIFB_DISP_NONE;
1809 if (XGIfb_tvplug != -1)
1810 /* PR/TW: Override with option */
1811 xgifb_info->TV_plug = XGIfb_tvplug;
1812 else if (cr32 & XGI_VB_HIVISION) {
1813 xgifb_info->TV_type = TVMODE_HIVISION;
1814 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1815 } else if (cr32 & XGI_VB_SVIDEO)
1816 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1817 else if (cr32 & XGI_VB_COMPOSITE)
1818 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1819 else if (cr32 & XGI_VB_SCART)
1820 xgifb_info->TV_plug = TVPLUG_SCART;
1822 if (xgifb_info->TV_type == 0) {
1823 temp = xgifb_reg_get(XGICR, 0x38);
1825 xgifb_info->TV_type = TVMODE_PAL;
1827 xgifb_info->TV_type = TVMODE_NTSC;
1830 /* TW: Copy forceCRT1 option to CRT1off if option is given */
1831 if (XGIfb_forcecrt1 != -1) {
1832 if (XGIfb_forcecrt1)
1839 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1843 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1844 switch (vb_chipid) {
1846 xgifb_info->hasVB = HASVB_301;
1849 xgifb_info->hasVB = HASVB_302;
1852 xgifb_info->hasVB = HASVB_NONE;
1858 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1862 if (!XGIfb_has_VB(xgifb_info)) {
1863 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1864 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1865 case XGI310_EXTERNAL_CHIP_LVDS:
1866 xgifb_info->hasVB = HASVB_LVDS;
1868 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1869 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1877 static int __init xgifb_optval(char *fullopt, int validx)
1881 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1882 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1888 static int __init XGIfb_setup(char *options)
1892 if (!options || !*options)
1895 pr_info("xgifb: options: %s\n", options);
1897 while ((this_opt = strsep(&options, ",")) != NULL) {
1902 if (!strncmp(this_opt, "mode:", 5)) {
1903 mode = this_opt + 5;
1904 } else if (!strncmp(this_opt, "vesa:", 5)) {
1905 vesa = xgifb_optval(this_opt, 5);
1906 } else if (!strncmp(this_opt, "vrate:", 6)) {
1907 refresh_rate = xgifb_optval(this_opt, 6);
1908 } else if (!strncmp(this_opt, "rate:", 5)) {
1909 refresh_rate = xgifb_optval(this_opt, 5);
1910 } else if (!strncmp(this_opt, "crt1off", 7)) {
1912 } else if (!strncmp(this_opt, "filter:", 7)) {
1913 filter = xgifb_optval(this_opt, 7);
1914 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1915 XGIfb_search_crt2type(this_opt + 14);
1916 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1917 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1918 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1919 XGIfb_search_tvstd(this_opt + 7);
1920 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1921 XGIfb_search_tvstd(this_opt + 7);
1922 } else if (!strncmp(this_opt, "dstn", 4)) {
1924 /* TW: DSTN overrules forcecrt2type */
1925 XGIfb_crt2type = XGIFB_DISP_LCD;
1926 } else if (!strncmp(this_opt, "noypan", 6)) {
1928 } else if (!strncmp(this_opt, "userom:", 7)) {
1929 XGIfb_userom = xgifb_optval(this_opt, 7);
1937 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1939 void __iomem *rom_address;
1940 unsigned char *rom_copy;
1943 rom_address = pci_map_rom(dev, &rom_size);
1944 if (rom_address == NULL)
1947 rom_copy = vzalloc(XGIFB_ROM_SIZE);
1948 if (rom_copy == NULL)
1951 rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1952 memcpy_fromio(rom_copy, rom_address, rom_size);
1955 pci_unmap_rom(dev, rom_address);
1959 static int __devinit xgifb_probe(struct pci_dev *pdev,
1960 const struct pci_device_id *ent)
1965 bool xgi21_drvlcdcaplist = false;
1966 struct fb_info *fb_info;
1967 struct xgifb_video_info *xgifb_info;
1968 struct xgi_hw_device_info *hw_info;
1970 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1974 xgifb_info = fb_info->par;
1975 hw_info = &xgifb_info->hw_info;
1976 xgifb_info->fb_info = fb_info;
1977 xgifb_info->chip_id = pdev->device;
1978 pci_read_config_byte(pdev,
1980 &xgifb_info->revision_id);
1981 hw_info->jChipRevision = xgifb_info->revision_id;
1983 xgifb_info->pcibus = pdev->bus->number;
1984 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1985 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1986 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1987 xgifb_info->subsysdevice = pdev->subsystem_device;
1989 xgifb_info->video_base = pci_resource_start(pdev, 0);
1990 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1991 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1992 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1993 hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
1994 /* XGI_Pr.RelIO = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
1995 printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
1996 (unsigned long)pci_resource_start(pdev, 2),
1997 xgifb_info->dev_info.RelIO);
1999 if (pci_enable_device(pdev)) {
2004 XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
2006 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2007 reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2009 if (reg1 != 0xa1) { /*I/O error */
2010 printk("\nXGIfb: I/O error!!!");
2015 switch (xgifb_info->chip_id) {
2016 case PCI_DEVICE_ID_XG_20:
2017 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2018 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2019 if (CR48&GPIOG_READ)
2020 xgifb_info->chip = XG21;
2022 xgifb_info->chip = XG20;
2024 case PCI_DEVICE_ID_XG_40:
2025 xgifb_info->chip = XG40;
2027 case PCI_DEVICE_ID_XG_41:
2028 xgifb_info->chip = XG41;
2030 case PCI_DEVICE_ID_XG_42:
2031 xgifb_info->chip = XG42;
2033 case PCI_DEVICE_ID_XG_27:
2034 xgifb_info->chip = XG27;
2041 printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2042 hw_info->jChipType = xgifb_info->chip;
2044 if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2045 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2046 if (hw_info->pjVirtualRomBase)
2047 printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2048 hw_info->pjVirtualRomBase);
2050 printk(KERN_INFO "XGIfb: Video ROM not found\n");
2052 hw_info->pjVirtualRomBase = NULL;
2053 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2056 if (XGIfb_get_dram_size(xgifb_info)) {
2057 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2062 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
2064 IND_XGI_PCI_ADDRESS_SET,
2065 (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2066 /* Enable 2D accelerator engine */
2067 xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2069 hw_info->ulVideoMemorySize = xgifb_info->video_size;
2071 if (!request_mem_region(xgifb_info->video_base,
2072 xgifb_info->video_size,
2074 printk("unable request memory size %x",
2075 xgifb_info->video_size);
2076 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2077 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2082 if (!request_mem_region(xgifb_info->mmio_base,
2083 xgifb_info->mmio_size,
2085 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2090 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2091 ioremap(xgifb_info->video_base, xgifb_info->video_size);
2092 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2093 xgifb_info->mmio_size);
2095 printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2096 xgifb_info->video_base,
2097 xgifb_info->video_vbase,
2098 xgifb_info->video_size / 1024);
2100 printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2101 xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2102 xgifb_info->mmio_size / 1024);
2103 printk("XGIfb: XGIInitNew() ...");
2104 pci_set_drvdata(pdev, xgifb_info);
2105 if (XGIInitNew(pdev))
2110 xgifb_info->mtrr = (unsigned int) 0;
2112 xgifb_info->hasVB = HASVB_NONE;
2113 if ((xgifb_info->chip == XG20) ||
2114 (xgifb_info->chip == XG27)) {
2115 xgifb_info->hasVB = HASVB_NONE;
2116 } else if (xgifb_info->chip == XG21) {
2117 CR38 = xgifb_reg_get(XGICR, 0x38);
2118 if ((CR38&0xE0) == 0xC0) {
2119 xgifb_info->display2 = XGIFB_DISP_LCD;
2120 if (!XGIfb_GetXG21LVDSData(xgifb_info))
2121 xgi21_drvlcdcaplist = true;
2122 } else if ((CR38&0xE0) == 0x60) {
2123 xgifb_info->hasVB = HASVB_CHRONTEL;
2125 xgifb_info->hasVB = HASVB_NONE;
2128 XGIfb_get_VB_type(xgifb_info);
2131 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2133 hw_info->ulExternalChip = 0;
2135 switch (xgifb_info->hasVB) {
2137 reg = xgifb_reg_get(XGIPART4, 0x01);
2139 hw_info->ujVBChipID = VB_CHIP_302LV;
2140 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2141 } else if (reg >= 0xD0) {
2142 hw_info->ujVBChipID = VB_CHIP_301LV;
2143 printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2145 /* else if (reg >= 0xB0) {
2146 hw_info->ujVBChipID = VB_CHIP_301B;
2147 reg1 = xgifb_reg_get(XGIPART4, 0x23);
2148 printk("XGIfb: XGI301B bridge detected\n");
2151 hw_info->ujVBChipID = VB_CHIP_301;
2152 printk("XGIfb: XGI301 bridge detected\n");
2156 reg = xgifb_reg_get(XGIPART4, 0x01);
2158 hw_info->ujVBChipID = VB_CHIP_302LV;
2159 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2160 } else if (reg >= 0xD0) {
2161 hw_info->ujVBChipID = VB_CHIP_301LV;
2162 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2163 } else if (reg >= 0xB0) {
2164 reg1 = xgifb_reg_get(XGIPART4, 0x23);
2166 hw_info->ujVBChipID = VB_CHIP_302B;
2169 hw_info->ujVBChipID = VB_CHIP_302;
2170 printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2174 hw_info->ulExternalChip = 0x1;
2175 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2177 case HASVB_TRUMPION:
2178 hw_info->ulExternalChip = 0x2;
2179 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2181 case HASVB_CHRONTEL:
2182 hw_info->ulExternalChip = 0x4;
2183 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2185 case HASVB_LVDS_CHRONTEL:
2186 hw_info->ulExternalChip = 0x5;
2187 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2190 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2194 if (xgifb_info->hasVB != HASVB_NONE)
2195 XGIfb_detect_VB(xgifb_info);
2197 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
2199 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2201 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2205 hw_info->ulCRT2LCDType = LCD_320x480;
2209 if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2210 (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2211 (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2213 tmp = xgifb_reg_get(XGICR, 0x34);
2215 /* Currently on LCDA?
2216 *(Some BIOSes leave CR38) */
2217 tmp = xgifb_reg_get(XGICR, 0x38);
2218 if ((tmp & 0x03) == 0x03) {
2219 /* XGI_Pr.XGI_UseLCDA = 1; */
2221 /* Currently on LCDA?
2222 *(Some newer BIOSes set D0 in CR35) */
2223 tmp = xgifb_reg_get(XGICR, 0x35);
2225 /* XGI_Pr.XGI_UseLCDA = 1; */
2227 tmp = xgifb_reg_get(XGICR,
2230 tmp = xgifb_reg_get(
2233 /* XGI_Pr.XGI_UseLCDA = 1; */
2242 xgifb_info->mode_idx = -1;
2245 XGIfb_search_mode(xgifb_info, mode);
2246 else if (vesa != -1)
2247 XGIfb_search_vesamode(xgifb_info, vesa);
2249 if (xgifb_info->mode_idx >= 0)
2250 xgifb_info->mode_idx =
2251 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
2253 if (xgifb_info->mode_idx < 0) {
2254 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
2255 xgifb_info->chip == XG21)
2256 xgifb_info->mode_idx =
2257 XGIfb_GetXG21DefaultLVDSModeIdx();
2259 xgifb_info->mode_idx = DEFAULT_MODE;
2262 if (xgifb_info->mode_idx < 0) {
2263 dev_err(&pdev->dev, "no supported video mode found\n");
2267 if (xgi21_drvlcdcaplist) {
2270 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2271 if ((XGI21_LCDCapList[m].LVDSHDE ==
2272 XGIbios_mode[xgifb_info->mode_idx].xres) &&
2273 (XGI21_LCDCapList[m].LVDSVDE ==
2274 XGIbios_mode[xgifb_info->mode_idx].yres)) {
2275 xgifb_reg_set(xgifb_info->dev_info.P3d4,
2282 /* yilin set default refresh rate */
2283 xgifb_info->refresh_rate = refresh_rate;
2284 if (xgifb_info->refresh_rate == 0)
2285 xgifb_info->refresh_rate = 60;
2286 if (XGIfb_search_refresh_rate(xgifb_info,
2287 xgifb_info->refresh_rate) == 0) {
2288 xgifb_info->rate_idx =
2289 XGIbios_mode[xgifb_info->mode_idx].rate_idx;
2290 xgifb_info->refresh_rate = 60;
2293 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
2294 xgifb_info->video_vwidth =
2295 xgifb_info->video_width =
2296 XGIbios_mode[xgifb_info->mode_idx].xres;
2297 xgifb_info->video_vheight =
2298 xgifb_info->video_height =
2299 XGIbios_mode[xgifb_info->mode_idx].yres;
2300 xgifb_info->org_x = xgifb_info->org_y = 0;
2301 xgifb_info->video_linelength =
2302 xgifb_info->video_width *
2303 (xgifb_info->video_bpp >> 3);
2304 switch (xgifb_info->video_bpp) {
2306 xgifb_info->DstColor = 0x0000;
2307 xgifb_info->XGI310_AccelDepth = 0x00000000;
2308 xgifb_info->video_cmap_len = 256;
2311 xgifb_info->DstColor = 0x8000;
2312 xgifb_info->XGI310_AccelDepth = 0x00010000;
2313 xgifb_info->video_cmap_len = 16;
2316 xgifb_info->DstColor = 0xC000;
2317 xgifb_info->XGI310_AccelDepth = 0x00020000;
2318 xgifb_info->video_cmap_len = 16;
2321 xgifb_info->video_cmap_len = 16;
2322 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2323 xgifb_info->video_bpp);
2327 printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2328 xgifb_info->video_width,
2329 xgifb_info->video_height,
2330 xgifb_info->video_bpp,
2331 xgifb_info->refresh_rate);
2333 fb_info->var.red.length = 8;
2334 fb_info->var.green.length = 8;
2335 fb_info->var.blue.length = 8;
2336 fb_info->var.activate = FB_ACTIVATE_NOW;
2337 fb_info->var.height = -1;
2338 fb_info->var.width = -1;
2339 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
2340 fb_info->var.xres = xgifb_info->video_width;
2341 fb_info->var.xres_virtual = xgifb_info->video_width;
2342 fb_info->var.yres = xgifb_info->video_height;
2343 fb_info->var.yres_virtual = xgifb_info->video_height;
2344 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
2346 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
2348 fb_info->var.pixclock = (u32) (1000000000 /
2349 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
2351 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2352 xgifb_info->rate_idx));
2354 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
2355 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2356 xgifb_info->rate_idx,
2357 &fb_info->var.left_margin,
2358 &fb_info->var.right_margin,
2359 &fb_info->var.upper_margin,
2360 &fb_info->var.lower_margin,
2361 &fb_info->var.hsync_len,
2362 &fb_info->var.vsync_len,
2364 &fb_info->var.vmode)) {
2366 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2367 FB_VMODE_INTERLACED) {
2368 fb_info->var.yres <<= 1;
2369 fb_info->var.yres_virtual <<= 1;
2370 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2372 fb_info->var.pixclock >>= 1;
2373 fb_info->var.yres >>= 1;
2374 fb_info->var.yres_virtual >>= 1;
2379 strncpy(fb_info->fix.id, "XGI", sizeof(fb_info->fix.id) - 1);
2380 fb_info->fix.type = FB_TYPE_PACKED_PIXELS;
2381 fb_info->fix.xpanstep = 1;
2382 fb_info->fix.ypanstep = 1;
2384 fb_info->flags = FBINFO_FLAG_DEFAULT;
2385 fb_info->screen_base = xgifb_info->video_vbase;
2386 fb_info->fbops = &XGIfb_ops;
2387 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2388 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2390 fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2393 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2394 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2395 if (xgifb_info->mtrr >= 0)
2396 dev_info(&pdev->dev, "added MTRR\n");
2399 if (register_framebuffer(fb_info) < 0) {
2410 if (xgifb_info->mtrr >= 0)
2411 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2412 xgifb_info->video_size);
2413 #endif /* CONFIG_MTRR */
2415 iounmap(xgifb_info->mmio_vbase);
2416 iounmap(xgifb_info->video_vbase);
2417 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2419 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2421 vfree(hw_info->pjVirtualRomBase);
2422 framebuffer_release(fb_info);
2426 /*****************************************************/
2427 /* PCI DEVICE HANDLING */
2428 /*****************************************************/
2430 static void __devexit xgifb_remove(struct pci_dev *pdev)
2432 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2433 struct fb_info *fb_info = xgifb_info->fb_info;
2435 unregister_framebuffer(fb_info);
2437 if (xgifb_info->mtrr >= 0)
2438 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2439 xgifb_info->video_size);
2440 #endif /* CONFIG_MTRR */
2441 iounmap(xgifb_info->mmio_vbase);
2442 iounmap(xgifb_info->video_vbase);
2443 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2444 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2445 vfree(xgifb_info->hw_info.pjVirtualRomBase);
2446 framebuffer_release(fb_info);
2447 pci_set_drvdata(pdev, NULL);
2450 static struct pci_driver xgifb_driver = {
2452 .id_table = xgifb_pci_table,
2453 .probe = xgifb_probe,
2454 .remove = __devexit_p(xgifb_remove)
2457 static int __init xgifb_init(void)
2459 char *option = NULL;
2461 if (fb_get_options("xgifb", &option))
2463 XGIfb_setup(option);
2465 return pci_register_driver(&xgifb_driver);
2468 module_init(xgifb_init);
2470 /*****************************************************/
2472 /*****************************************************/
2476 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2477 MODULE_LICENSE("GPL");
2478 MODULE_AUTHOR("XGITECH , Others");
2480 module_param(mode, charp, 0);
2481 module_param(vesa, int, 0);
2482 module_param(filter, int, 0);
2484 MODULE_PARM_DESC(mode,
2485 "\nSelects the desired default display mode in the format XxYxDepth,\n"
2486 "eg. 1024x768x16.\n");
2488 MODULE_PARM_DESC(vesa,
2489 "\nSelects the desired default display mode by VESA mode number, eg.\n"
2492 MODULE_PARM_DESC(filter,
2493 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2494 "(Possible values 0-7, default: [no filter])\n");
2496 static void __exit xgifb_remove_module(void)
2498 pci_unregister_driver(&xgifb_driver);
2499 printk(KERN_DEBUG "xgifb: Module unloaded\n");
2502 module_exit(xgifb_remove_module);
2504 #endif /* /MODULE */