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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 #include <linux/sizes.h>
10 #include <linux/module.h>
19 #include "vb_setmode.h"
21 #define Index_CR_GPIO_Reg1 0x48
22 #define Index_CR_GPIO_Reg3 0x4a
24 #define GPIOG_EN (1<<6)
25 #define GPIOG_READ (1<<1)
27 static char *forcecrt2type;
30 static unsigned int refresh_rate;
32 /* -------------------- Macro definitions ---------------------------- */
35 static void dumpVGAReg(void)
39 xgifb_reg_set(XGISR, 0x05, 0x86);
41 for (i = 0; i < 0x4f; i++) {
42 reg = xgifb_reg_get(XGISR, i);
43 pr_debug("o 3c4 %x\n", i);
44 pr_debug("i 3c5 => %x\n", reg);
47 for (i = 0; i < 0xF0; i++) {
48 reg = xgifb_reg_get(XGICR, i);
49 pr_debug("o 3d4 %x\n", i);
50 pr_debug("i 3d5 => %x\n", reg);
54 static inline void dumpVGAReg(void)
59 /* --------------- Hardware Access Routines -------------------------- */
61 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
62 struct xgi_hw_device_info *HwDeviceExtension,
65 unsigned short ModeNo = modeno;
66 unsigned short ModeIdIndex = 0, ClockIndex = 0;
67 unsigned short RefreshRateTableIndex = 0;
69 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
71 XGI_SearchModeID(ModeNo, &ModeIdIndex);
73 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
76 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
78 Clock = XGI_VCLKData[ClockIndex].CLOCK * 1000;
83 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
84 struct xgi_hw_device_info *HwDeviceExtension,
86 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
87 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
90 unsigned short ModeNo = modeno;
91 unsigned short ModeIdIndex, index = 0;
92 unsigned short RefreshRateTableIndex = 0;
94 unsigned short VRE, VBE, VRS, VDE;
95 unsigned short HRE, HBE, HRS, HDE;
96 unsigned char sr_data, cr_data, cr_data2;
97 int B, C, D, F, temp, j;
98 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
99 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
101 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
102 ModeIdIndex, XGI_Pr);
103 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
105 sr_data = XGI_CRT1Table[index].CR[5];
107 HDE = (XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3);
109 cr_data = XGI_CRT1Table[index].CR[3];
111 /* Horizontal retrace (=sync) start */
112 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
115 sr_data = XGI_CRT1Table[index].CR[6];
117 cr_data = XGI_CRT1Table[index].CR[2];
119 cr_data2 = XGI_CRT1Table[index].CR[4];
121 /* Horizontal blank end */
122 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
123 | ((unsigned short) (sr_data & 0x03) << 6);
125 /* Horizontal retrace (=sync) end */
126 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
128 temp = HBE - ((HDE - 1) & 255);
129 B = (temp > 0) ? temp : (temp + 256);
131 temp = HRE - ((HDE + F + 3) & 63);
132 C = (temp > 0) ? temp : (temp + 64);
136 *left_margin = D * 8;
137 *right_margin = F * 8;
140 sr_data = XGI_CRT1Table[index].CR[14];
142 cr_data2 = XGI_CRT1Table[index].CR[9];
144 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
146 cr_data = XGI_CRT1Table[index].CR[10];
148 /* Vertical retrace (=sync) start */
149 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
150 | ((unsigned short) (cr_data2 & 0x80) << 2)
151 | ((unsigned short) (sr_data & 0x08) << 7);
154 cr_data = XGI_CRT1Table[index].CR[13];
156 /* Vertical blank end */
157 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
158 temp = VBE - ((VDE - 1) & 511);
159 B = (temp > 0) ? temp : (temp + 512);
161 cr_data = XGI_CRT1Table[index].CR[11];
163 /* Vertical retrace (=sync) end */
164 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
165 temp = VRE - ((VDE + F - 1) & 31);
166 C = (temp > 0) ? temp : (temp + 32);
174 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
175 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
177 *sync |= FB_SYNC_VERT_HIGH_ACT;
179 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
180 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
182 *sync |= FB_SYNC_HOR_HIGH_ACT;
184 *vmode = FB_VMODE_NONINTERLACED;
185 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
186 *vmode = FB_VMODE_INTERLACED;
189 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
190 if (XGI330_EModeIDTable[j].Ext_ModeID ==
191 XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
192 if (XGI330_EModeIDTable[j].Ext_ModeFlag &
194 *vmode = FB_VMODE_DOUBLE;
205 void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
207 XGI_Pr->P3c4 = BaseAddr + 0x14;
208 XGI_Pr->P3d4 = BaseAddr + 0x24;
209 XGI_Pr->P3c0 = BaseAddr + 0x10;
210 XGI_Pr->P3ce = BaseAddr + 0x1e;
211 XGI_Pr->P3c2 = BaseAddr + 0x12;
212 XGI_Pr->P3cc = BaseAddr + 0x1c;
213 XGI_Pr->P3ca = BaseAddr + 0x1a;
214 XGI_Pr->P3c6 = BaseAddr + 0x16;
215 XGI_Pr->P3c7 = BaseAddr + 0x17;
216 XGI_Pr->P3c8 = BaseAddr + 0x18;
217 XGI_Pr->P3c9 = BaseAddr + 0x19;
218 XGI_Pr->P3da = BaseAddr + 0x2A;
219 /* Digital video interface registers (LCD) */
220 XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
221 /* 301 TV Encoder registers */
222 XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
223 /* 301 Macrovision registers */
224 XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
225 /* 301 VGA2 (and LCD) registers */
226 XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
227 /* 301 palette address port registers */
228 XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
232 /* ------------------ Internal helper routines ----------------- */
234 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
238 while ((XGIbios_mode[i].mode_no != 0)
239 && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
240 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE)
241 && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE)
242 && (XGIbios_mode[i].bpp == 8)) {
251 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
259 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
263 bpp = 32; /* That's for people who mix up color and fb depth. */
265 for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
266 if (XGIbios_mode[i].xres == xres &&
267 XGIbios_mode[i].yres == yres &&
268 XGIbios_mode[i].bpp == bpp) {
269 xgifb_info->mode_idx = i;
273 pr_info("Invalid mode '%s'\n", name);
276 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
277 unsigned int vesamode)
284 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
286 while (XGIbios_mode[i].mode_no != 0) {
287 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
288 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
289 xgifb_info->mode_idx = i;
296 pr_info("Invalid VESA mode 0x%x'\n", vesamode);
299 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
302 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
303 unsigned long required_mem;
305 if (xgifb_info->chip == XG21) {
306 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
307 xres = xgifb_info->lvds_data.LVDSHDE;
308 yres = xgifb_info->lvds_data.LVDSVDE;
309 if (XGIbios_mode[myindex].xres > xres)
311 if (XGIbios_mode[myindex].yres > yres)
313 if ((XGIbios_mode[myindex].xres < xres) &&
314 (XGIbios_mode[myindex].yres < yres)) {
315 if (XGIbios_mode[myindex].bpp > 8)
324 /* FIXME: for now, all is valid on XG27 */
325 if (xgifb_info->chip == XG27)
328 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
331 switch (xgifb_info->display2) {
333 switch (hw_info->ulCRT2LCDType) {
379 if (XGIbios_mode[myindex].xres > xres)
381 if (XGIbios_mode[myindex].yres > yres)
383 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
384 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
385 switch (XGIbios_mode[myindex].xres) {
387 if (XGIbios_mode[myindex].yres != 512)
389 if (hw_info->ulCRT2LCDType == LCD_1024x600)
393 if ((XGIbios_mode[myindex].yres != 400)
394 && (XGIbios_mode[myindex].yres
399 if (XGIbios_mode[myindex].yres != 600)
403 if ((XGIbios_mode[myindex].yres != 600) &&
404 (XGIbios_mode[myindex].yres != 768))
406 if ((XGIbios_mode[myindex].yres == 600) &&
407 (hw_info->ulCRT2LCDType != LCD_1024x600))
411 if ((XGIbios_mode[myindex].yres) != 768)
413 if (hw_info->ulCRT2LCDType != LCD_1152x768)
417 if ((XGIbios_mode[myindex].yres != 768) &&
418 (XGIbios_mode[myindex].yres != 1024))
420 if ((XGIbios_mode[myindex].yres == 768) &&
421 (hw_info->ulCRT2LCDType != LCD_1280x768))
425 if (XGIbios_mode[myindex].yres != 1050)
429 if (XGIbios_mode[myindex].yres != 1200)
436 switch (XGIbios_mode[myindex].xres) {
438 if (XGIbios_mode[myindex].yres != 512)
442 if ((XGIbios_mode[myindex].yres != 400) &&
443 (XGIbios_mode[myindex].yres != 480))
447 if (XGIbios_mode[myindex].yres != 600)
451 if (XGIbios_mode[myindex].yres != 768)
455 if ((XGIbios_mode[myindex].yres != 960) &&
456 (XGIbios_mode[myindex].yres != 1024))
458 if (XGIbios_mode[myindex].yres == 960) {
459 if (hw_info->ulCRT2LCDType ==
465 if (XGIbios_mode[myindex].yres != 1050)
469 if (XGIbios_mode[myindex].yres != 1200)
478 switch (XGIbios_mode[myindex].xres) {
484 if (xgifb_info->TV_type == TVMODE_NTSC) {
485 if (XGIbios_mode[myindex].yres != 480)
487 } else if (xgifb_info->TV_type == TVMODE_PAL) {
488 if (XGIbios_mode[myindex].yres != 576)
491 /* LVDS/CHRONTEL does not support 720 */
492 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
493 xgifb_info->hasVB == HASVB_CHRONTEL) {
498 if (xgifb_info->TV_type == TVMODE_NTSC) {
499 if (XGIbios_mode[myindex].bpp == 32)
508 if (XGIbios_mode[myindex].xres > 1280)
511 case XGIFB_DISP_NONE:
516 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
517 XGIbios_mode[myindex].bpp / 8;
518 if (required_mem > xgifb_info->video_size)
524 static void XGIfb_search_crt2type(const char *name)
531 while (XGI_crt2type[i].type_no != -1) {
532 if (!strcmp(name, XGI_crt2type[i].name)) {
533 XGIfb_crt2type = XGI_crt2type[i].type_no;
534 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
539 if (XGIfb_crt2type < 0)
540 pr_info("Invalid CRT2 type: %s\n", name);
543 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
549 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
550 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
552 xgifb_info->rate_idx = 0;
553 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
554 if ((XGIfb_vrate[i].xres == xres) &&
555 (XGIfb_vrate[i].yres == yres)) {
556 if (XGIfb_vrate[i].refresh == rate) {
557 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
559 } else if (XGIfb_vrate[i].refresh > rate) {
560 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
561 pr_debug("Adjusting rate from %d up to %d\n",
562 rate, XGIfb_vrate[i].refresh);
563 xgifb_info->rate_idx =
565 xgifb_info->refresh_rate =
566 XGIfb_vrate[i].refresh;
567 } else if (((rate - XGIfb_vrate[i - 1].refresh)
568 <= 2) && (XGIfb_vrate[i].idx
570 pr_debug("Adjusting rate from %d down to %d\n",
572 XGIfb_vrate[i-1].refresh);
573 xgifb_info->rate_idx =
574 XGIfb_vrate[i - 1].idx;
575 xgifb_info->refresh_rate =
576 XGIfb_vrate[i - 1].refresh;
579 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
580 pr_debug("Adjusting rate from %d down to %d\n",
581 rate, XGIfb_vrate[i].refresh);
582 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
588 if (xgifb_info->rate_idx > 0) {
589 return xgifb_info->rate_idx;
591 pr_info("Unsupported rate %d for %dx%d\n",
597 static void XGIfb_search_tvstd(const char *name)
604 while (XGI_tvtype[i].type_no != -1) {
605 if (!strcmp(name, XGI_tvtype[i].name)) {
606 XGIfb_tvmode = XGI_tvtype[i].type_no;
613 /* ----------- FBDev related routines for all series ----------- */
615 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
616 struct fb_var_screeninfo *var)
618 switch (var->bits_per_pixel) {
620 var->red.offset = var->green.offset = var->blue.offset = 0;
621 var->red.length = var->green.length = var->blue.length = 6;
622 xgifb_info->video_cmap_len = 256;
625 var->red.offset = 11;
627 var->green.offset = 5;
628 var->green.length = 6;
629 var->blue.offset = 0;
630 var->blue.length = 5;
631 var->transp.offset = 0;
632 var->transp.length = 0;
633 xgifb_info->video_cmap_len = 16;
636 var->red.offset = 16;
638 var->green.offset = 8;
639 var->green.length = 8;
640 var->blue.offset = 0;
641 var->blue.length = 8;
642 var->transp.offset = 24;
643 var->transp.length = 8;
644 xgifb_info->video_cmap_len = 16;
649 /* --------------------- SetMode routines ------------------------- */
651 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
653 u8 cr30 = 0, cr31 = 0;
655 cr31 = xgifb_reg_get(XGICR, 0x31);
658 switch (xgifb_info->display2) {
660 cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
661 cr31 |= SIS_DRIVER_MODE;
664 cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
665 cr31 |= SIS_DRIVER_MODE;
668 if (xgifb_info->TV_type == TVMODE_HIVISION)
669 cr30 = (SIS_VB_OUTPUT_HIVISION
670 | SIS_SIMULTANEOUS_VIEW_ENABLE);
671 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
672 cr30 = (SIS_VB_OUTPUT_SVIDEO
673 | SIS_SIMULTANEOUS_VIEW_ENABLE);
674 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
675 cr30 = (SIS_VB_OUTPUT_COMPOSITE
676 | SIS_SIMULTANEOUS_VIEW_ENABLE);
677 else if (xgifb_info->TV_plug == TVPLUG_SCART)
678 cr30 = (SIS_VB_OUTPUT_SCART
679 | SIS_SIMULTANEOUS_VIEW_ENABLE);
680 cr31 |= SIS_DRIVER_MODE;
682 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
687 default: /* disable CRT2 */
689 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
692 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
693 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
694 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
695 (xgifb_info->rate_idx & 0x0F));
698 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
701 unsigned char doit = 1;
703 if (xgifb_info->video_bpp == 8) {
705 * We can't switch off CRT1 on LVDS/Chrontel
708 if ((xgifb_info->hasVB == HASVB_LVDS) ||
709 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
713 * We can't switch off CRT1 on 301B-DH
714 * in 8bpp Modes if using LCD
716 if (xgifb_info->display2 == XGIFB_DISP_LCD)
720 /* We can't switch off CRT1 if bridge is in slave mode */
721 if (xgifb_info->hasVB != HASVB_NONE) {
722 reg = xgifb_reg_get(XGIPART1, 0x00);
724 if ((reg & 0x50) == 0x10)
731 reg = xgifb_reg_get(XGICR, 0x17);
732 if ((XGIfb_crt1off) && (doit))
736 xgifb_reg_set(XGICR, 0x17, reg);
738 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
740 if (xgifb_info->display2 == XGIFB_DISP_TV &&
741 xgifb_info->hasVB == HASVB_301) {
743 reg = xgifb_reg_get(XGIPART4, 0x01);
745 if (reg < 0xB0) { /* Set filter for XGI301 */
748 switch (xgifb_info->video_width) {
750 filter_tb = (xgifb_info->TV_type ==
751 TVMODE_NTSC) ? 4 : 12;
754 filter_tb = (xgifb_info->TV_type ==
755 TVMODE_NTSC) ? 5 : 13;
758 filter_tb = (xgifb_info->TV_type ==
759 TVMODE_NTSC) ? 6 : 14;
762 filter_tb = (xgifb_info->TV_type ==
763 TVMODE_NTSC) ? 7 : 15;
770 xgifb_reg_or(XGIPART1,
771 SIS_CRT2_WENABLE_315,
774 if (xgifb_info->TV_type == TVMODE_NTSC) {
776 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
778 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
780 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
782 } else if (xgifb_info->TV_plug
783 == TVPLUG_COMPOSITE) {
785 xgifb_reg_or(XGIPART2, 0x30, 0x20);
787 switch (xgifb_info->video_width) {
789 xgifb_reg_set(XGIPART2,
792 xgifb_reg_set(XGIPART2,
795 xgifb_reg_set(XGIPART2,
798 xgifb_reg_set(XGIPART2,
803 xgifb_reg_set(XGIPART2,
806 xgifb_reg_set(XGIPART2,
809 xgifb_reg_set(XGIPART2,
812 xgifb_reg_set(XGIPART2,
817 xgifb_reg_set(XGIPART2,
820 xgifb_reg_set(XGIPART2,
823 xgifb_reg_set(XGIPART2,
826 xgifb_reg_set(XGIPART2,
833 } else if (xgifb_info->TV_type == TVMODE_PAL) {
835 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
837 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
839 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
841 } else if (xgifb_info->TV_plug
842 == TVPLUG_COMPOSITE) {
844 xgifb_reg_or(XGIPART2, 0x30, 0x20);
846 switch (xgifb_info->video_width) {
848 xgifb_reg_set(XGIPART2,
851 xgifb_reg_set(XGIPART2,
854 xgifb_reg_set(XGIPART2,
857 xgifb_reg_set(XGIPART2,
862 xgifb_reg_set(XGIPART2,
865 xgifb_reg_set(XGIPART2,
868 xgifb_reg_set(XGIPART2,
871 xgifb_reg_set(XGIPART2,
876 xgifb_reg_set(XGIPART2,
879 xgifb_reg_set(XGIPART2,
882 xgifb_reg_set(XGIPART2,
885 xgifb_reg_set(XGIPART2,
893 if ((filter >= 0) && (filter <= 7)) {
894 pr_debug("FilterTable[%d]-%d: %*ph\n",
896 4, XGI_TV_filter[filter_tb].
901 (XGI_TV_filter[filter_tb].
906 (XGI_TV_filter[filter_tb].
911 (XGI_TV_filter[filter_tb].
916 (XGI_TV_filter[filter_tb].
923 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
924 struct fb_info *info)
926 struct xgifb_video_info *xgifb_info = info->par;
927 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
928 unsigned int htotal = var->left_margin + var->xres + var->right_margin
930 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
932 #if defined(__powerpc__)
935 unsigned int drate = 0, hrate = 0;
939 info->var.xres_virtual = var->xres_virtual;
940 info->var.yres_virtual = var->yres_virtual;
941 info->var.bits_per_pixel = var->bits_per_pixel;
943 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
945 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
948 if (!htotal || !vtotal) {
949 pr_debug("Invalid 'var' information\n");
951 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
952 var->pixclock, htotal, vtotal);
954 if (var->pixclock && htotal && vtotal) {
955 drate = 1000000000 / var->pixclock;
956 hrate = (drate * 1000) / htotal;
957 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
960 xgifb_info->refresh_rate = 60;
963 pr_debug("Change mode to %dx%dx%d-%dHz\n",
967 xgifb_info->refresh_rate);
969 old_mode = xgifb_info->mode_idx;
970 xgifb_info->mode_idx = 0;
972 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
973 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
974 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
975 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
976 (XGIbios_mode[xgifb_info->mode_idx].bpp
977 == var->bits_per_pixel)) {
981 xgifb_info->mode_idx++;
985 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
986 xgifb_info->mode_idx);
988 xgifb_info->mode_idx = -1;
990 if (xgifb_info->mode_idx < 0) {
991 pr_err("Mode %dx%dx%d not supported\n",
992 var->xres, var->yres, var->bits_per_pixel);
993 xgifb_info->mode_idx = old_mode;
997 if (XGIfb_search_refresh_rate(xgifb_info,
998 xgifb_info->refresh_rate) == 0) {
999 xgifb_info->rate_idx = 1;
1000 xgifb_info->refresh_rate = 60;
1005 XGIfb_pre_setmode(xgifb_info);
1006 if (XGISetModeNew(xgifb_info, hw_info,
1007 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1009 pr_err("Setting mode[0x%x] failed\n",
1010 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1013 info->fix.line_length = ((info->var.xres_virtual
1014 * info->var.bits_per_pixel) >> 6);
1016 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1018 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1019 xgifb_reg_set(XGISR,
1021 (info->fix.line_length & 0xff00) >> 8);
1023 XGIfb_post_setmode(xgifb_info);
1025 pr_debug("Set new mode: %dx%dx%d-%d\n",
1026 XGIbios_mode[xgifb_info->mode_idx].xres,
1027 XGIbios_mode[xgifb_info->mode_idx].yres,
1028 XGIbios_mode[xgifb_info->mode_idx].bpp,
1029 xgifb_info->refresh_rate);
1031 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1032 xgifb_info->video_vwidth = info->var.xres_virtual;
1033 xgifb_info->video_width =
1034 XGIbios_mode[xgifb_info->mode_idx].xres;
1035 xgifb_info->video_vheight = info->var.yres_virtual;
1036 xgifb_info->video_height =
1037 XGIbios_mode[xgifb_info->mode_idx].yres;
1038 xgifb_info->org_x = xgifb_info->org_y = 0;
1039 xgifb_info->video_linelength = info->var.xres_virtual
1040 * (xgifb_info->video_bpp >> 3);
1041 switch (xgifb_info->video_bpp) {
1043 xgifb_info->DstColor = 0x0000;
1044 xgifb_info->XGI310_AccelDepth = 0x00000000;
1045 xgifb_info->video_cmap_len = 256;
1046 #if defined(__powerpc__)
1047 cr_data = xgifb_reg_get(XGICR, 0x4D);
1048 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1052 xgifb_info->DstColor = 0x8000;
1053 xgifb_info->XGI310_AccelDepth = 0x00010000;
1054 #if defined(__powerpc__)
1055 cr_data = xgifb_reg_get(XGICR, 0x4D);
1056 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1058 xgifb_info->video_cmap_len = 16;
1061 xgifb_info->DstColor = 0xC000;
1062 xgifb_info->XGI310_AccelDepth = 0x00020000;
1063 xgifb_info->video_cmap_len = 16;
1064 #if defined(__powerpc__)
1065 cr_data = xgifb_reg_get(XGICR, 0x4D);
1066 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1070 xgifb_info->video_cmap_len = 16;
1071 pr_err("Unsupported depth %d\n",
1072 xgifb_info->video_bpp);
1076 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1082 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1084 struct xgifb_video_info *xgifb_info = info->par;
1087 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1089 /* calculate base bpp dep. */
1090 switch (info->var.bits_per_pixel) {
1102 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1104 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1105 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1106 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1107 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1108 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1110 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1111 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1112 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1113 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1114 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1115 xgifb_reg_and_or(XGIPART1,
1118 ((base >> 24) & 0x01) << 7);
1123 static int XGIfb_open(struct fb_info *info, int user)
1128 static int XGIfb_release(struct fb_info *info, int user)
1133 /* similar to sisfb_get_cmap_len */
1134 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1136 return (var->bits_per_pixel == 8) ? 256 : 16;
1139 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1140 unsigned blue, unsigned transp, struct fb_info *info)
1142 struct xgifb_video_info *xgifb_info = info->par;
1144 if (regno >= XGIfb_get_cmap_len(&info->var))
1147 switch (info->var.bits_per_pixel) {
1149 outb(regno, XGIDACA);
1150 outb((red >> 10), XGIDACD);
1151 outb((green >> 10), XGIDACD);
1152 outb((blue >> 10), XGIDACD);
1153 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1154 outb(regno, XGIDAC2A);
1155 outb((red >> 8), XGIDAC2D);
1156 outb((green >> 8), XGIDAC2D);
1157 outb((blue >> 8), XGIDAC2D);
1161 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1162 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1169 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1176 /* ----------- FBDev related routines for all series ---------- */
1178 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1179 struct fb_info *info)
1181 struct xgifb_video_info *xgifb_info = info->par;
1183 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1185 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1187 /* if register_framebuffer has been called, we must lock */
1188 if (atomic_read(&info->count))
1189 mutex_lock(&info->mm_lock);
1191 fix->smem_start = xgifb_info->video_base;
1192 fix->smem_len = xgifb_info->video_size;
1194 /* if register_framebuffer has been called, we can unlock */
1195 if (atomic_read(&info->count))
1196 mutex_unlock(&info->mm_lock);
1198 fix->type = FB_TYPE_PACKED_PIXELS;
1200 if (xgifb_info->video_bpp == 8)
1201 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1203 fix->visual = FB_VISUAL_DIRECTCOLOR;
1208 fix->line_length = xgifb_info->video_linelength;
1209 fix->mmio_start = xgifb_info->mmio_base;
1210 fix->mmio_len = xgifb_info->mmio_size;
1211 fix->accel = FB_ACCEL_SIS_XABRE;
1216 static int XGIfb_set_par(struct fb_info *info)
1220 err = XGIfb_do_set_var(&info->var, 1, info);
1223 XGIfb_get_fix(&info->fix, -1, info);
1227 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1229 struct xgifb_video_info *xgifb_info = info->par;
1230 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1232 unsigned int vtotal = 0;
1233 unsigned int drate = 0, hrate = 0;
1235 int refresh_rate, search_idx;
1237 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1238 vtotal = var->upper_margin + var->yres + var->lower_margin
1241 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1242 vtotal = var->upper_margin + var->yres + var->lower_margin
1245 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1246 vtotal = var->upper_margin + (var->yres / 2)
1247 + var->lower_margin + var->vsync_len;
1249 vtotal = var->upper_margin + var->yres + var->lower_margin
1252 if (!(htotal) || !(vtotal)) {
1253 pr_debug("No valid timing data\n");
1257 if (var->pixclock && htotal && vtotal) {
1258 drate = 1000000000 / var->pixclock;
1259 hrate = (drate * 1000) / htotal;
1260 xgifb_info->refresh_rate =
1261 (unsigned int) (hrate * 2 / vtotal);
1263 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1264 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1265 __func__, var->pixclock, htotal, vtotal,
1266 __func__, drate, hrate, xgifb_info->refresh_rate);
1268 xgifb_info->refresh_rate = 60;
1271 /* Calculation wrong for 1024x600 - force it to 60Hz */
1272 if ((var->xres == 1024) && (var->yres == 600))
1276 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1277 (XGIbios_mode[search_idx].xres <= var->xres)) {
1278 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1279 (XGIbios_mode[search_idx].yres == var->yres) &&
1280 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1281 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1291 pr_err("%dx%dx%d is no valid mode\n",
1292 var->xres, var->yres, var->bits_per_pixel);
1294 while (XGIbios_mode[search_idx].mode_no != 0) {
1295 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1296 (var->yres <= XGIbios_mode[search_idx].yres) &&
1297 (var->bits_per_pixel ==
1298 XGIbios_mode[search_idx].bpp)) {
1299 if (XGIfb_validate_mode(xgifb_info,
1308 var->xres = XGIbios_mode[search_idx].xres;
1309 var->yres = XGIbios_mode[search_idx].yres;
1310 pr_debug("Adapted to mode %dx%dx%d\n",
1311 var->xres, var->yres, var->bits_per_pixel);
1314 pr_err("Failed to find similar mode to %dx%dx%d\n",
1315 var->xres, var->yres, var->bits_per_pixel);
1320 /* Adapt RGB settings */
1321 XGIfb_bpp_to_var(xgifb_info, var);
1324 if (var->xres != var->xres_virtual)
1325 var->xres_virtual = var->xres;
1326 if (var->yres != var->yres_virtual)
1327 var->yres_virtual = var->yres;
1330 /* Truncate offsets to maximum if too high */
1331 if (var->xoffset > var->xres_virtual - var->xres)
1332 var->xoffset = var->xres_virtual - var->xres - 1;
1334 if (var->yoffset > var->yres_virtual - var->yres)
1335 var->yoffset = var->yres_virtual - var->yres - 1;
1337 /* Set everything else to 0 */
1338 var->red.msb_right =
1339 var->green.msb_right =
1340 var->blue.msb_right =
1341 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1346 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1347 struct fb_info *info)
1351 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1353 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1356 if (var->vmode & FB_VMODE_YWRAP) {
1357 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1359 } else if (var->xoffset + info->var.xres > info->var.xres_virtual
1360 || var->yoffset + info->var.yres
1361 > info->var.yres_virtual) {
1364 err = XGIfb_pan_var(var, info);
1368 info->var.xoffset = var->xoffset;
1369 info->var.yoffset = var->yoffset;
1370 if (var->vmode & FB_VMODE_YWRAP)
1371 info->var.vmode |= FB_VMODE_YWRAP;
1373 info->var.vmode &= ~FB_VMODE_YWRAP;
1378 static int XGIfb_blank(int blank, struct fb_info *info)
1380 struct xgifb_video_info *xgifb_info = info->par;
1383 reg = xgifb_reg_get(XGICR, 0x17);
1390 xgifb_reg_set(XGICR, 0x17, reg);
1391 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1392 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1396 static struct fb_ops XGIfb_ops = {
1397 .owner = THIS_MODULE,
1398 .fb_open = XGIfb_open,
1399 .fb_release = XGIfb_release,
1400 .fb_check_var = XGIfb_check_var,
1401 .fb_set_par = XGIfb_set_par,
1402 .fb_setcolreg = XGIfb_setcolreg,
1403 .fb_pan_display = XGIfb_pan_display,
1404 .fb_blank = XGIfb_blank,
1405 .fb_fillrect = cfb_fillrect,
1406 .fb_copyarea = cfb_copyarea,
1407 .fb_imageblit = cfb_imageblit,
1410 /* ---------------- Chip generation dependent routines ---------------- */
1412 /* for XGI 315/550/650/740/330 */
1414 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1420 /* xorg driver sets 32MB * 1 channel */
1421 if (xgifb_info->chip == XG27)
1422 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1424 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1428 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1429 case XGI_DRAM_SIZE_1MB:
1430 xgifb_info->video_size = 0x100000;
1432 case XGI_DRAM_SIZE_2MB:
1433 xgifb_info->video_size = 0x200000;
1435 case XGI_DRAM_SIZE_4MB:
1436 xgifb_info->video_size = 0x400000;
1438 case XGI_DRAM_SIZE_8MB:
1439 xgifb_info->video_size = 0x800000;
1441 case XGI_DRAM_SIZE_16MB:
1442 xgifb_info->video_size = 0x1000000;
1444 case XGI_DRAM_SIZE_32MB:
1445 xgifb_info->video_size = 0x2000000;
1447 case XGI_DRAM_SIZE_64MB:
1448 xgifb_info->video_size = 0x4000000;
1450 case XGI_DRAM_SIZE_128MB:
1451 xgifb_info->video_size = 0x8000000;
1453 case XGI_DRAM_SIZE_256MB:
1454 xgifb_info->video_size = 0x10000000;
1460 tmp = (reg & 0x0c) >> 2;
1461 switch (xgifb_info->chip) {
1486 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1488 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1490 xgifb_info->video_size, ChannelNum);
1495 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1499 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1501 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1503 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1512 if (!xgifb_info->display2_force) {
1513 if (cr32 & SIS_VB_TV)
1514 xgifb_info->display2 = XGIFB_DISP_TV;
1515 else if (cr32 & SIS_VB_LCD)
1516 xgifb_info->display2 = XGIFB_DISP_LCD;
1517 else if (cr32 & SIS_VB_CRT2)
1518 xgifb_info->display2 = XGIFB_DISP_CRT;
1520 xgifb_info->display2 = XGIFB_DISP_NONE;
1523 if (XGIfb_tvplug != -1)
1524 /* Override with option */
1525 xgifb_info->TV_plug = XGIfb_tvplug;
1526 else if (cr32 & SIS_VB_HIVISION) {
1527 xgifb_info->TV_type = TVMODE_HIVISION;
1528 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1529 } else if (cr32 & SIS_VB_SVIDEO)
1530 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1531 else if (cr32 & SIS_VB_COMPOSITE)
1532 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1533 else if (cr32 & SIS_VB_SCART)
1534 xgifb_info->TV_plug = TVPLUG_SCART;
1536 if (xgifb_info->TV_type == 0) {
1537 temp = xgifb_reg_get(XGICR, 0x38);
1539 xgifb_info->TV_type = TVMODE_PAL;
1541 xgifb_info->TV_type = TVMODE_NTSC;
1544 /* Copy forceCRT1 option to CRT1off if option is given */
1545 if (XGIfb_forcecrt1 != -1) {
1546 if (XGIfb_forcecrt1)
1553 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1557 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1558 switch (vb_chipid) {
1560 xgifb_info->hasVB = HASVB_301;
1563 xgifb_info->hasVB = HASVB_302;
1566 xgifb_info->hasVB = HASVB_NONE;
1572 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1576 if (!XGIfb_has_VB(xgifb_info)) {
1577 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1578 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1579 case SIS_EXTERNAL_CHIP_LVDS:
1580 xgifb_info->hasVB = HASVB_LVDS;
1582 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1583 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1591 static int __init xgifb_optval(char *fullopt, int validx)
1595 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1596 pr_err("Invalid value for option: %s\n", fullopt);
1602 static int __init XGIfb_setup(char *options)
1606 if (!options || !*options)
1609 pr_info("Options: %s\n", options);
1611 while ((this_opt = strsep(&options, ",")) != NULL) {
1616 if (!strncmp(this_opt, "mode:", 5)) {
1617 mode = this_opt + 5;
1618 } else if (!strncmp(this_opt, "vesa:", 5)) {
1619 vesa = xgifb_optval(this_opt, 5);
1620 } else if (!strncmp(this_opt, "vrate:", 6)) {
1621 refresh_rate = xgifb_optval(this_opt, 6);
1622 } else if (!strncmp(this_opt, "rate:", 5)) {
1623 refresh_rate = xgifb_optval(this_opt, 5);
1624 } else if (!strncmp(this_opt, "crt1off", 7)) {
1626 } else if (!strncmp(this_opt, "filter:", 7)) {
1627 filter = xgifb_optval(this_opt, 7);
1628 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1629 XGIfb_search_crt2type(this_opt + 14);
1630 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1631 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1632 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1633 XGIfb_search_tvstd(this_opt + 7);
1634 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1635 XGIfb_search_tvstd(this_opt + 7);
1636 } else if (!strncmp(this_opt, "dstn", 4)) {
1638 /* DSTN overrules forcecrt2type */
1639 XGIfb_crt2type = XGIFB_DISP_LCD;
1640 } else if (!strncmp(this_opt, "noypan", 6)) {
1649 static int xgifb_probe(struct pci_dev *pdev,
1650 const struct pci_device_id *ent)
1655 struct fb_info *fb_info;
1656 struct xgifb_video_info *xgifb_info;
1657 struct xgi_hw_device_info *hw_info;
1658 unsigned long video_size_max;
1660 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1664 xgifb_info = fb_info->par;
1665 hw_info = &xgifb_info->hw_info;
1666 xgifb_info->fb_info = fb_info;
1667 xgifb_info->chip_id = pdev->device;
1668 pci_read_config_byte(pdev,
1670 &xgifb_info->revision_id);
1671 hw_info->jChipRevision = xgifb_info->revision_id;
1673 xgifb_info->pcibus = pdev->bus->number;
1674 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1675 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1676 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1677 xgifb_info->subsysdevice = pdev->subsystem_device;
1679 video_size_max = pci_resource_len(pdev, 0);
1680 xgifb_info->video_base = pci_resource_start(pdev, 0);
1681 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1682 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1683 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1684 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1685 (u64) pci_resource_start(pdev, 2),
1686 xgifb_info->vga_base);
1688 if (pci_enable_device(pdev)) {
1693 if (XGIfb_crt2type != -1) {
1694 xgifb_info->display2 = XGIfb_crt2type;
1695 xgifb_info->display2_force = true;
1698 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1700 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1701 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1703 if (reg1 != 0xa1) { /*I/O error */
1704 dev_err(&pdev->dev, "I/O error\n");
1709 switch (xgifb_info->chip_id) {
1710 case PCI_DEVICE_ID_XGI_20:
1711 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1712 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1713 if (CR48&GPIOG_READ)
1714 xgifb_info->chip = XG21;
1716 xgifb_info->chip = XG20;
1718 case PCI_DEVICE_ID_XGI_40:
1719 xgifb_info->chip = XG40;
1721 case PCI_DEVICE_ID_XGI_42:
1722 xgifb_info->chip = XG42;
1724 case PCI_DEVICE_ID_XGI_27:
1725 xgifb_info->chip = XG27;
1732 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1733 hw_info->jChipType = xgifb_info->chip;
1735 if (XGIfb_get_dram_size(xgifb_info)) {
1736 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1738 } else if (xgifb_info->video_size > video_size_max) {
1739 xgifb_info->video_size = video_size_max;
1742 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1744 IND_SIS_PCI_ADDRESS_SET,
1745 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1746 /* Enable 2D accelerator engine */
1747 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1749 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1751 if (!request_mem_region(xgifb_info->video_base,
1752 xgifb_info->video_size,
1754 dev_err(&pdev->dev, "Unable request memory size %x\n",
1755 xgifb_info->video_size);
1757 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1762 if (!request_mem_region(xgifb_info->mmio_base,
1763 xgifb_info->mmio_size,
1766 "Fatal error: Unable to reserve MMIO region\n");
1771 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
1772 ioremap(xgifb_info->video_base, xgifb_info->video_size);
1773 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1774 xgifb_info->mmio_size);
1776 dev_info(&pdev->dev,
1777 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1778 (u64) xgifb_info->video_base,
1779 xgifb_info->video_vbase,
1780 xgifb_info->video_size / 1024);
1782 dev_info(&pdev->dev,
1783 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1784 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1785 xgifb_info->mmio_size / 1024);
1787 pci_set_drvdata(pdev, xgifb_info);
1788 if (!XGIInitNew(pdev))
1789 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1791 xgifb_info->mtrr = -1;
1793 xgifb_info->hasVB = HASVB_NONE;
1794 if ((xgifb_info->chip == XG20) ||
1795 (xgifb_info->chip == XG27)) {
1796 xgifb_info->hasVB = HASVB_NONE;
1797 } else if (xgifb_info->chip == XG21) {
1798 CR38 = xgifb_reg_get(XGICR, 0x38);
1799 if ((CR38&0xE0) == 0xC0)
1800 xgifb_info->display2 = XGIFB_DISP_LCD;
1801 else if ((CR38&0xE0) == 0x60)
1802 xgifb_info->hasVB = HASVB_CHRONTEL;
1804 xgifb_info->hasVB = HASVB_NONE;
1806 XGIfb_get_VB_type(xgifb_info);
1809 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1811 hw_info->ulExternalChip = 0;
1813 switch (xgifb_info->hasVB) {
1815 reg = xgifb_reg_get(XGIPART4, 0x01);
1817 hw_info->ujVBChipID = VB_CHIP_302LV;
1818 dev_info(&pdev->dev,
1819 "XGI302LV bridge detected (revision 0x%02x)\n",
1821 } else if (reg >= 0xD0) {
1822 hw_info->ujVBChipID = VB_CHIP_301LV;
1823 dev_info(&pdev->dev,
1824 "XGI301LV bridge detected (revision 0x%02x)\n",
1827 hw_info->ujVBChipID = VB_CHIP_301;
1828 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1832 reg = xgifb_reg_get(XGIPART4, 0x01);
1834 hw_info->ujVBChipID = VB_CHIP_302LV;
1835 dev_info(&pdev->dev,
1836 "XGI302LV bridge detected (revision 0x%02x)\n",
1838 } else if (reg >= 0xD0) {
1839 hw_info->ujVBChipID = VB_CHIP_301LV;
1840 dev_info(&pdev->dev,
1841 "XGI302LV bridge detected (revision 0x%02x)\n",
1843 } else if (reg >= 0xB0) {
1844 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1846 hw_info->ujVBChipID = VB_CHIP_302B;
1849 hw_info->ujVBChipID = VB_CHIP_302;
1850 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1854 hw_info->ulExternalChip = 0x1;
1855 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1857 case HASVB_TRUMPION:
1858 hw_info->ulExternalChip = 0x2;
1859 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1861 case HASVB_CHRONTEL:
1862 hw_info->ulExternalChip = 0x4;
1863 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1865 case HASVB_LVDS_CHRONTEL:
1866 hw_info->ulExternalChip = 0x5;
1867 dev_info(&pdev->dev,
1868 "LVDS transmitter and Chrontel TV encoder detected\n");
1871 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1875 if (xgifb_info->hasVB != HASVB_NONE)
1876 XGIfb_detect_VB(xgifb_info);
1877 else if (xgifb_info->chip != XG21)
1878 xgifb_info->display2 = XGIFB_DISP_NONE;
1880 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1882 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1884 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1888 xgifb_info->mode_idx = -1;
1891 XGIfb_search_mode(xgifb_info, mode);
1892 else if (vesa != -1)
1893 XGIfb_search_vesamode(xgifb_info, vesa);
1895 if (xgifb_info->mode_idx >= 0)
1896 xgifb_info->mode_idx =
1897 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1899 if (xgifb_info->mode_idx < 0) {
1900 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1901 xgifb_info->chip == XG21)
1902 xgifb_info->mode_idx =
1903 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1905 xgifb_info->mode_idx = DEFAULT_MODE;
1908 if (xgifb_info->mode_idx < 0) {
1909 dev_err(&pdev->dev, "No supported video mode found\n");
1914 /* set default refresh rate */
1915 xgifb_info->refresh_rate = refresh_rate;
1916 if (xgifb_info->refresh_rate == 0)
1917 xgifb_info->refresh_rate = 60;
1918 if (XGIfb_search_refresh_rate(xgifb_info,
1919 xgifb_info->refresh_rate) == 0) {
1920 xgifb_info->rate_idx = 1;
1921 xgifb_info->refresh_rate = 60;
1924 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1925 xgifb_info->video_vwidth =
1926 xgifb_info->video_width =
1927 XGIbios_mode[xgifb_info->mode_idx].xres;
1928 xgifb_info->video_vheight =
1929 xgifb_info->video_height =
1930 XGIbios_mode[xgifb_info->mode_idx].yres;
1931 xgifb_info->org_x = xgifb_info->org_y = 0;
1932 xgifb_info->video_linelength =
1933 xgifb_info->video_width *
1934 (xgifb_info->video_bpp >> 3);
1935 switch (xgifb_info->video_bpp) {
1937 xgifb_info->DstColor = 0x0000;
1938 xgifb_info->XGI310_AccelDepth = 0x00000000;
1939 xgifb_info->video_cmap_len = 256;
1942 xgifb_info->DstColor = 0x8000;
1943 xgifb_info->XGI310_AccelDepth = 0x00010000;
1944 xgifb_info->video_cmap_len = 16;
1947 xgifb_info->DstColor = 0xC000;
1948 xgifb_info->XGI310_AccelDepth = 0x00020000;
1949 xgifb_info->video_cmap_len = 16;
1952 xgifb_info->video_cmap_len = 16;
1953 pr_info("Unsupported depth %d\n",
1954 xgifb_info->video_bpp);
1958 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1959 xgifb_info->video_width,
1960 xgifb_info->video_height,
1961 xgifb_info->video_bpp,
1962 xgifb_info->refresh_rate);
1964 fb_info->var.red.length = 8;
1965 fb_info->var.green.length = 8;
1966 fb_info->var.blue.length = 8;
1967 fb_info->var.activate = FB_ACTIVATE_NOW;
1968 fb_info->var.height = -1;
1969 fb_info->var.width = -1;
1970 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
1971 fb_info->var.xres = xgifb_info->video_width;
1972 fb_info->var.xres_virtual = xgifb_info->video_width;
1973 fb_info->var.yres = xgifb_info->video_height;
1974 fb_info->var.yres_virtual = xgifb_info->video_height;
1975 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
1977 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
1979 fb_info->var.pixclock = (u32) (1000000000 /
1980 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
1982 XGIbios_mode[xgifb_info->mode_idx].mode_no));
1984 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
1985 XGIbios_mode[xgifb_info->mode_idx].mode_no,
1986 &fb_info->var.left_margin,
1987 &fb_info->var.right_margin,
1988 &fb_info->var.upper_margin,
1989 &fb_info->var.lower_margin,
1990 &fb_info->var.hsync_len,
1991 &fb_info->var.vsync_len,
1993 &fb_info->var.vmode)) {
1995 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1996 FB_VMODE_INTERLACED) {
1997 fb_info->var.yres <<= 1;
1998 fb_info->var.yres_virtual <<= 1;
1999 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2001 fb_info->var.pixclock >>= 1;
2002 fb_info->var.yres >>= 1;
2003 fb_info->var.yres_virtual >>= 1;
2008 fb_info->flags = FBINFO_FLAG_DEFAULT;
2009 fb_info->screen_base = xgifb_info->video_vbase;
2010 fb_info->fbops = &XGIfb_ops;
2011 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2012 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2014 fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2017 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2018 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2019 if (xgifb_info->mtrr >= 0)
2020 dev_info(&pdev->dev, "Added MTRR\n");
2023 if (register_framebuffer(fb_info) < 0) {
2034 if (xgifb_info->mtrr >= 0)
2035 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2036 xgifb_info->video_size);
2037 #endif /* CONFIG_MTRR */
2039 iounmap(xgifb_info->mmio_vbase);
2040 iounmap(xgifb_info->video_vbase);
2041 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2043 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2045 pci_disable_device(pdev);
2047 framebuffer_release(fb_info);
2051 /*****************************************************/
2052 /* PCI DEVICE HANDLING */
2053 /*****************************************************/
2055 static void xgifb_remove(struct pci_dev *pdev)
2057 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2058 struct fb_info *fb_info = xgifb_info->fb_info;
2060 unregister_framebuffer(fb_info);
2062 if (xgifb_info->mtrr >= 0)
2063 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2064 xgifb_info->video_size);
2065 #endif /* CONFIG_MTRR */
2066 iounmap(xgifb_info->mmio_vbase);
2067 iounmap(xgifb_info->video_vbase);
2068 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2069 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2070 pci_disable_device(pdev);
2071 framebuffer_release(fb_info);
2074 static struct pci_driver xgifb_driver = {
2076 .id_table = xgifb_pci_table,
2077 .probe = xgifb_probe,
2078 .remove = xgifb_remove
2083 /*****************************************************/
2085 /*****************************************************/
2087 module_param(mode, charp, 0);
2088 MODULE_PARM_DESC(mode,
2089 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2091 module_param(forcecrt2type, charp, 0);
2092 MODULE_PARM_DESC(forcecrt2type,
2093 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2095 module_param(vesa, int, 0);
2096 MODULE_PARM_DESC(vesa,
2097 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2099 module_param(filter, int, 0);
2100 MODULE_PARM_DESC(filter,
2101 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2103 static int __init xgifb_init(void)
2105 char *option = NULL;
2107 if (forcecrt2type != NULL)
2108 XGIfb_search_crt2type(forcecrt2type);
2109 if (fb_get_options("xgifb", &option))
2111 XGIfb_setup(option);
2113 return pci_register_driver(&xgifb_driver);
2116 static void __exit xgifb_remove_module(void)
2118 pci_unregister_driver(&xgifb_driver);
2119 pr_debug("Module unloaded\n");
2122 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2123 MODULE_LICENSE("GPL");
2124 MODULE_AUTHOR("XGITECH , Others");
2125 module_init(xgifb_init);
2126 module_exit(xgifb_remove_module);