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>
11 #include <linux/pci.h>
16 #include "vb_setmode.h"
18 #define Index_CR_GPIO_Reg1 0x48
19 #define Index_CR_GPIO_Reg3 0x4a
21 #define GPIOG_EN BIT(6)
22 #define GPIOG_READ BIT(1)
24 static char *forcecrt2type;
27 static unsigned int refresh_rate;
29 /* -------------------- Macro definitions ---------------------------- */
32 static void dumpVGAReg(struct xgifb_video_info *xgifb_info)
36 xgifb_reg_set(XGISR, 0x05, 0x86);
38 for (i = 0; i < 0x4f; i++) {
39 reg = xgifb_reg_get(XGISR, i);
40 pr_debug("o 3c4 %x\n", i);
41 pr_debug("i 3c5 => %x\n", reg);
44 for (i = 0; i < 0xF0; i++) {
45 reg = xgifb_reg_get(XGICR, i);
46 pr_debug("o 3d4 %x\n", i);
47 pr_debug("i 3d5 => %x\n", reg);
51 static inline void dumpVGAReg(struct xgifb_video_info *xgifb_info)
56 /* --------------- Hardware Access Routines -------------------------- */
58 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
59 struct xgi_hw_device_info *HwDeviceExtension,
62 unsigned short ModeNo = modeno;
63 unsigned short ModeIdIndex = 0, ClockIndex = 0;
64 unsigned short RefreshRateTableIndex = 0;
67 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
69 XGI_SearchModeID(ModeNo, &ModeIdIndex);
71 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
74 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
76 Clock = XGI_VCLKData[ClockIndex].CLOCK * 1000;
81 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
82 struct xgi_hw_device_info *HwDeviceExtension,
84 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
85 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
88 unsigned short ModeNo = modeno;
89 unsigned short ModeIdIndex, index = 0;
90 unsigned short RefreshRateTableIndex = 0;
92 unsigned short VRE, VBE, VRS, VDE;
93 unsigned short HRE, HBE, HRS, HDE;
94 unsigned char sr_data, cr_data, cr_data2;
95 int B, C, D, F, temp, j;
97 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
98 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
100 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
101 ModeIdIndex, XGI_Pr);
102 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
104 sr_data = XGI_CRT1Table[index].CR[5];
106 HDE = XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3;
108 cr_data = XGI_CRT1Table[index].CR[3];
110 /* Horizontal retrace (=sync) start */
111 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
114 sr_data = XGI_CRT1Table[index].CR[6];
116 cr_data = XGI_CRT1Table[index].CR[2];
118 cr_data2 = XGI_CRT1Table[index].CR[4];
120 /* Horizontal blank end */
121 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
122 | ((unsigned short) (sr_data & 0x03) << 6);
124 /* Horizontal retrace (=sync) end */
125 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
127 temp = HBE - ((HDE - 1) & 255);
128 B = (temp > 0) ? temp : (temp + 256);
130 temp = HRE - ((HDE + F + 3) & 63);
131 C = (temp > 0) ? temp : (temp + 64);
135 *left_margin = D * 8;
136 *right_margin = F * 8;
139 sr_data = XGI_CRT1Table[index].CR[14];
141 cr_data2 = XGI_CRT1Table[index].CR[9];
143 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
145 cr_data = XGI_CRT1Table[index].CR[10];
147 /* Vertical retrace (=sync) start */
148 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
149 | ((unsigned short) (cr_data2 & 0x80) << 2)
150 | ((unsigned short) (sr_data & 0x08) << 7);
153 cr_data = XGI_CRT1Table[index].CR[13];
155 /* Vertical blank end */
156 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
157 temp = VBE - ((VDE - 1) & 511);
158 B = (temp > 0) ? temp : (temp + 512);
160 cr_data = XGI_CRT1Table[index].CR[11];
162 /* Vertical retrace (=sync) end */
163 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
164 temp = VRE - ((VDE + F - 1) & 31);
165 C = (temp > 0) ? temp : (temp + 32);
173 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
174 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
176 *sync |= FB_SYNC_VERT_HIGH_ACT;
178 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
179 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
181 *sync |= FB_SYNC_HOR_HIGH_ACT;
183 *vmode = FB_VMODE_NONINTERLACED;
184 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
185 *vmode = FB_VMODE_INTERLACED;
188 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
189 if (XGI330_EModeIDTable[j].Ext_ModeID ==
190 XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
191 if (XGI330_EModeIDTable[j].Ext_ModeFlag &
193 *vmode = FB_VMODE_DOUBLE;
204 void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
206 XGI_Pr->P3c4 = BaseAddr + 0x14;
207 XGI_Pr->P3d4 = BaseAddr + 0x24;
208 XGI_Pr->P3c0 = BaseAddr + 0x10;
209 XGI_Pr->P3ce = BaseAddr + 0x1e;
210 XGI_Pr->P3c2 = BaseAddr + 0x12;
211 XGI_Pr->P3cc = BaseAddr + 0x1c;
212 XGI_Pr->P3ca = BaseAddr + 0x1a;
213 XGI_Pr->P3c6 = BaseAddr + 0x16;
214 XGI_Pr->P3c7 = BaseAddr + 0x17;
215 XGI_Pr->P3c8 = BaseAddr + 0x18;
216 XGI_Pr->P3c9 = BaseAddr + 0x19;
217 XGI_Pr->P3da = BaseAddr + 0x2A;
218 XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00;
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;
231 /* ------------------ Internal helper routines ----------------- */
233 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
237 while ((XGIbios_mode[i].mode_no != 0)
238 && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
239 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE)
240 && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE)
241 && (XGIbios_mode[i].bpp == 8)) {
250 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
258 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
262 bpp = 32; /* That's for people who mix up color and fb depth. */
264 for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
265 if (XGIbios_mode[i].xres == xres &&
266 XGIbios_mode[i].yres == yres &&
267 XGIbios_mode[i].bpp == bpp) {
268 xgifb_info->mode_idx = i;
272 pr_info("Invalid mode '%s'\n", name);
275 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
276 unsigned int vesamode)
283 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
285 while (XGIbios_mode[i].mode_no != 0) {
286 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
287 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
288 xgifb_info->mode_idx = i;
295 pr_info("Invalid VESA mode 0x%x'\n", vesamode);
298 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
301 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
302 unsigned long required_mem;
304 if (xgifb_info->chip == XG21) {
305 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
306 xres = xgifb_info->lvds_data.LVDSHDE;
307 yres = xgifb_info->lvds_data.LVDSVDE;
308 if (XGIbios_mode[myindex].xres > xres)
310 if (XGIbios_mode[myindex].yres > yres)
312 if ((XGIbios_mode[myindex].xres < xres) &&
313 (XGIbios_mode[myindex].yres < yres)) {
314 if (XGIbios_mode[myindex].bpp > 8)
321 /* FIXME: for now, all is valid on XG27 */
322 if (xgifb_info->chip == XG27)
325 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
328 switch (xgifb_info->display2) {
330 switch (hw_info->ulCRT2LCDType) {
376 if (XGIbios_mode[myindex].xres > xres)
378 if (XGIbios_mode[myindex].yres > yres)
380 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
381 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
382 switch (XGIbios_mode[myindex].xres) {
384 if (XGIbios_mode[myindex].yres != 512)
386 if (hw_info->ulCRT2LCDType == LCD_1024x600)
390 if ((XGIbios_mode[myindex].yres != 400)
391 && (XGIbios_mode[myindex].yres
396 if (XGIbios_mode[myindex].yres != 600)
400 if ((XGIbios_mode[myindex].yres != 600) &&
401 (XGIbios_mode[myindex].yres != 768))
403 if ((XGIbios_mode[myindex].yres == 600) &&
404 (hw_info->ulCRT2LCDType != LCD_1024x600))
408 if ((XGIbios_mode[myindex].yres) != 768)
410 if (hw_info->ulCRT2LCDType != LCD_1152x768)
414 if ((XGIbios_mode[myindex].yres != 768) &&
415 (XGIbios_mode[myindex].yres != 1024))
417 if ((XGIbios_mode[myindex].yres == 768) &&
418 (hw_info->ulCRT2LCDType != LCD_1280x768))
422 if (XGIbios_mode[myindex].yres != 1050)
426 if (XGIbios_mode[myindex].yres != 1200)
433 switch (XGIbios_mode[myindex].xres) {
435 if (XGIbios_mode[myindex].yres != 512)
439 if ((XGIbios_mode[myindex].yres != 400) &&
440 (XGIbios_mode[myindex].yres != 480))
444 if (XGIbios_mode[myindex].yres != 600)
448 if (XGIbios_mode[myindex].yres != 768)
452 if ((XGIbios_mode[myindex].yres != 960) &&
453 (XGIbios_mode[myindex].yres != 1024))
455 if (XGIbios_mode[myindex].yres == 960) {
456 if (hw_info->ulCRT2LCDType ==
462 if (XGIbios_mode[myindex].yres != 1050)
466 if (XGIbios_mode[myindex].yres != 1200)
475 switch (XGIbios_mode[myindex].xres) {
481 if (xgifb_info->TV_type == TVMODE_NTSC) {
482 if (XGIbios_mode[myindex].yres != 480)
484 } else if (xgifb_info->TV_type == TVMODE_PAL) {
485 if (XGIbios_mode[myindex].yres != 576)
488 /* LVDS/CHRONTEL does not support 720 */
489 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
490 xgifb_info->hasVB == HASVB_CHRONTEL) {
495 if (xgifb_info->TV_type == TVMODE_NTSC) {
496 if (XGIbios_mode[myindex].bpp == 32)
505 if (XGIbios_mode[myindex].xres > 1280)
508 case XGIFB_DISP_NONE:
513 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
514 XGIbios_mode[myindex].bpp / 8;
515 if (required_mem > xgifb_info->video_size)
520 static void XGIfb_search_crt2type(const char *name)
527 while (XGI_crt2type[i].type_no != -1) {
528 if (!strcmp(name, XGI_crt2type[i].name)) {
529 XGIfb_crt2type = XGI_crt2type[i].type_no;
530 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
535 if (XGIfb_crt2type < 0)
536 pr_info("Invalid CRT2 type: %s\n", name);
539 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
545 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
546 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
548 xgifb_info->rate_idx = 0;
549 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
550 if ((XGIfb_vrate[i].xres == xres) &&
551 (XGIfb_vrate[i].yres == yres)) {
552 if (XGIfb_vrate[i].refresh == rate) {
553 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
555 } else if (XGIfb_vrate[i].refresh > rate) {
556 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
557 pr_debug("Adjusting rate from %d up to %d\n",
558 rate, XGIfb_vrate[i].refresh);
559 xgifb_info->rate_idx =
561 xgifb_info->refresh_rate =
562 XGIfb_vrate[i].refresh;
563 } else if (((rate - XGIfb_vrate[i - 1].refresh)
564 <= 2) && (XGIfb_vrate[i].idx
566 pr_debug("Adjusting rate from %d down to %d\n",
568 XGIfb_vrate[i-1].refresh);
569 xgifb_info->rate_idx =
570 XGIfb_vrate[i - 1].idx;
571 xgifb_info->refresh_rate =
572 XGIfb_vrate[i - 1].refresh;
575 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
576 pr_debug("Adjusting rate from %d down to %d\n",
577 rate, XGIfb_vrate[i].refresh);
578 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
584 if (xgifb_info->rate_idx > 0)
585 return xgifb_info->rate_idx;
586 pr_info("Unsupported rate %d for %dx%d\n",
591 static void XGIfb_search_tvstd(const char *name)
598 while (XGI_tvtype[i].type_no != -1) {
599 if (!strcmp(name, XGI_tvtype[i].name)) {
600 XGIfb_tvmode = XGI_tvtype[i].type_no;
607 /* ----------- FBDev related routines for all series ----------- */
609 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
610 struct fb_var_screeninfo *var)
612 switch (var->bits_per_pixel) {
614 var->red.offset = var->green.offset = var->blue.offset = 0;
615 var->red.length = var->green.length = var->blue.length = 6;
616 xgifb_info->video_cmap_len = 256;
619 var->red.offset = 11;
621 var->green.offset = 5;
622 var->green.length = 6;
623 var->blue.offset = 0;
624 var->blue.length = 5;
625 var->transp.offset = 0;
626 var->transp.length = 0;
627 xgifb_info->video_cmap_len = 16;
630 var->red.offset = 16;
632 var->green.offset = 8;
633 var->green.length = 8;
634 var->blue.offset = 0;
635 var->blue.length = 8;
636 var->transp.offset = 24;
637 var->transp.length = 8;
638 xgifb_info->video_cmap_len = 16;
643 /* --------------------- SetMode routines ------------------------- */
645 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
647 u8 cr30 = 0, cr31 = 0;
649 cr31 = xgifb_reg_get(XGICR, 0x31);
652 switch (xgifb_info->display2) {
654 cr30 = SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE;
655 cr31 |= SIS_DRIVER_MODE;
658 cr30 = SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE;
659 cr31 |= SIS_DRIVER_MODE;
662 if (xgifb_info->TV_type == TVMODE_HIVISION)
663 cr30 = SIS_VB_OUTPUT_HIVISION
664 | SIS_SIMULTANEOUS_VIEW_ENABLE;
665 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
666 cr30 = SIS_VB_OUTPUT_SVIDEO
667 | SIS_SIMULTANEOUS_VIEW_ENABLE;
668 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
669 cr30 = SIS_VB_OUTPUT_COMPOSITE
670 | SIS_SIMULTANEOUS_VIEW_ENABLE;
671 else if (xgifb_info->TV_plug == TVPLUG_SCART)
672 cr30 = SIS_VB_OUTPUT_SCART
673 | SIS_SIMULTANEOUS_VIEW_ENABLE;
674 cr31 |= SIS_DRIVER_MODE;
676 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
681 default: /* disable CRT2 */
683 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
686 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
687 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
688 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
689 (xgifb_info->rate_idx & 0x0F));
692 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
695 unsigned char doit = 1;
697 if (xgifb_info->video_bpp == 8) {
699 * We can't switch off CRT1 on LVDS/Chrontel
702 if ((xgifb_info->hasVB == HASVB_LVDS) ||
703 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
707 * We can't switch off CRT1 on 301B-DH
708 * in 8bpp Modes if using LCD
710 if (xgifb_info->display2 == XGIFB_DISP_LCD)
714 /* We can't switch off CRT1 if bridge is in slave mode */
715 if (xgifb_info->hasVB != HASVB_NONE) {
716 reg = xgifb_reg_get(XGIPART1, 0x00);
718 if ((reg & 0x50) == 0x10)
725 reg = xgifb_reg_get(XGICR, 0x17);
726 if ((XGIfb_crt1off) && (doit))
730 xgifb_reg_set(XGICR, 0x17, reg);
732 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
734 if (xgifb_info->display2 == XGIFB_DISP_TV &&
735 xgifb_info->hasVB == HASVB_301) {
737 reg = xgifb_reg_get(XGIPART4, 0x01);
739 if (reg < 0xB0) { /* Set filter for XGI301 */
742 switch (xgifb_info->video_width) {
744 filter_tb = (xgifb_info->TV_type ==
745 TVMODE_NTSC) ? 4 : 12;
748 filter_tb = (xgifb_info->TV_type ==
749 TVMODE_NTSC) ? 5 : 13;
752 filter_tb = (xgifb_info->TV_type ==
753 TVMODE_NTSC) ? 6 : 14;
756 filter_tb = (xgifb_info->TV_type ==
757 TVMODE_NTSC) ? 7 : 15;
764 xgifb_reg_or(XGIPART1,
765 SIS_CRT2_WENABLE_315,
768 if (xgifb_info->TV_type == TVMODE_NTSC) {
770 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
772 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
774 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
776 } else if (xgifb_info->TV_plug
777 == TVPLUG_COMPOSITE) {
779 xgifb_reg_or(XGIPART2, 0x30, 0x20);
781 switch (xgifb_info->video_width) {
783 xgifb_reg_set(XGIPART2,
786 xgifb_reg_set(XGIPART2,
789 xgifb_reg_set(XGIPART2,
792 xgifb_reg_set(XGIPART2,
797 xgifb_reg_set(XGIPART2,
800 xgifb_reg_set(XGIPART2,
803 xgifb_reg_set(XGIPART2,
806 xgifb_reg_set(XGIPART2,
811 xgifb_reg_set(XGIPART2,
814 xgifb_reg_set(XGIPART2,
817 xgifb_reg_set(XGIPART2,
820 xgifb_reg_set(XGIPART2,
827 } else if (xgifb_info->TV_type == TVMODE_PAL) {
829 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
831 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
833 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
835 } else if (xgifb_info->TV_plug
836 == TVPLUG_COMPOSITE) {
838 xgifb_reg_or(XGIPART2, 0x30, 0x20);
840 switch (xgifb_info->video_width) {
842 xgifb_reg_set(XGIPART2,
845 xgifb_reg_set(XGIPART2,
848 xgifb_reg_set(XGIPART2,
851 xgifb_reg_set(XGIPART2,
856 xgifb_reg_set(XGIPART2,
859 xgifb_reg_set(XGIPART2,
862 xgifb_reg_set(XGIPART2,
865 xgifb_reg_set(XGIPART2,
870 xgifb_reg_set(XGIPART2,
873 xgifb_reg_set(XGIPART2,
876 xgifb_reg_set(XGIPART2,
879 xgifb_reg_set(XGIPART2,
887 if ((filter >= 0) && (filter <= 7)) {
888 pr_debug("FilterTable[%d]-%d: %*ph\n",
890 4, XGI_TV_filter[filter_tb].
895 (XGI_TV_filter[filter_tb].
900 (XGI_TV_filter[filter_tb].
905 (XGI_TV_filter[filter_tb].
910 (XGI_TV_filter[filter_tb].
917 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
918 struct fb_info *info)
920 struct xgifb_video_info *xgifb_info = info->par;
921 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
922 unsigned int htotal = var->left_margin + var->xres + var->right_margin
924 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
926 #if defined(__BIG_ENDIAN)
929 unsigned int drate = 0, hrate = 0;
933 info->var.xres_virtual = var->xres_virtual;
934 info->var.yres_virtual = var->yres_virtual;
935 info->var.bits_per_pixel = var->bits_per_pixel;
937 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
939 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
942 if (!htotal || !vtotal) {
943 pr_debug("Invalid 'var' information\n");
945 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
946 var->pixclock, htotal, vtotal);
949 drate = 1000000000 / var->pixclock;
950 hrate = (drate * 1000) / htotal;
951 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
954 xgifb_info->refresh_rate = 60;
957 pr_debug("Change mode to %dx%dx%d-%dHz\n",
961 xgifb_info->refresh_rate);
963 old_mode = xgifb_info->mode_idx;
964 xgifb_info->mode_idx = 0;
966 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
967 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
968 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
969 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
970 (XGIbios_mode[xgifb_info->mode_idx].bpp
971 == var->bits_per_pixel)) {
975 xgifb_info->mode_idx++;
979 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
980 xgifb_info->mode_idx);
982 xgifb_info->mode_idx = -1;
984 if (xgifb_info->mode_idx < 0) {
985 pr_err("Mode %dx%dx%d not supported\n",
986 var->xres, var->yres, var->bits_per_pixel);
987 xgifb_info->mode_idx = old_mode;
991 if (XGIfb_search_refresh_rate(xgifb_info,
992 xgifb_info->refresh_rate) == 0) {
993 xgifb_info->rate_idx = 1;
994 xgifb_info->refresh_rate = 60;
999 XGIfb_pre_setmode(xgifb_info);
1000 if (XGISetModeNew(xgifb_info, hw_info,
1001 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1003 pr_err("Setting mode[0x%x] failed\n",
1004 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1007 info->fix.line_length = (info->var.xres_virtual
1008 * info->var.bits_per_pixel) >> 6;
1010 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1012 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1013 xgifb_reg_set(XGISR,
1015 (info->fix.line_length & 0xff00) >> 8);
1017 XGIfb_post_setmode(xgifb_info);
1019 pr_debug("Set new mode: %dx%dx%d-%d\n",
1020 XGIbios_mode[xgifb_info->mode_idx].xres,
1021 XGIbios_mode[xgifb_info->mode_idx].yres,
1022 XGIbios_mode[xgifb_info->mode_idx].bpp,
1023 xgifb_info->refresh_rate);
1025 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1026 xgifb_info->video_vwidth = info->var.xres_virtual;
1027 xgifb_info->video_width =
1028 XGIbios_mode[xgifb_info->mode_idx].xres;
1029 xgifb_info->video_vheight = info->var.yres_virtual;
1030 xgifb_info->video_height =
1031 XGIbios_mode[xgifb_info->mode_idx].yres;
1032 xgifb_info->org_x = xgifb_info->org_y = 0;
1033 xgifb_info->video_linelength = info->var.xres_virtual
1034 * (xgifb_info->video_bpp >> 3);
1035 switch (xgifb_info->video_bpp) {
1037 xgifb_info->DstColor = 0x0000;
1038 xgifb_info->XGI310_AccelDepth = 0x00000000;
1039 xgifb_info->video_cmap_len = 256;
1040 #if defined(__BIG_ENDIAN)
1041 cr_data = xgifb_reg_get(XGICR, 0x4D);
1042 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1046 xgifb_info->DstColor = 0x8000;
1047 xgifb_info->XGI310_AccelDepth = 0x00010000;
1048 #if defined(__BIG_ENDIAN)
1049 cr_data = xgifb_reg_get(XGICR, 0x4D);
1050 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1052 xgifb_info->video_cmap_len = 16;
1055 xgifb_info->DstColor = 0xC000;
1056 xgifb_info->XGI310_AccelDepth = 0x00020000;
1057 xgifb_info->video_cmap_len = 16;
1058 #if defined(__BIG_ENDIAN)
1059 cr_data = xgifb_reg_get(XGICR, 0x4D);
1060 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1064 xgifb_info->video_cmap_len = 16;
1065 pr_err("Unsupported depth %d\n",
1066 xgifb_info->video_bpp);
1070 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1072 dumpVGAReg(xgifb_info);
1076 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1078 struct xgifb_video_info *xgifb_info = info->par;
1081 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1083 /* calculate base bpp dep. */
1084 switch (info->var.bits_per_pixel) {
1096 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1098 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1099 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1100 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1101 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1102 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1104 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1105 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1106 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1107 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1108 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1109 xgifb_reg_and_or(XGIPART1,
1112 ((base >> 24) & 0x01) << 7);
1117 static int XGIfb_open(struct fb_info *info, int user)
1122 static int XGIfb_release(struct fb_info *info, int user)
1127 /* similar to sisfb_get_cmap_len */
1128 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1130 return (var->bits_per_pixel == 8) ? 256 : 16;
1133 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1134 unsigned blue, unsigned transp, struct fb_info *info)
1136 struct xgifb_video_info *xgifb_info = info->par;
1138 if (regno >= XGIfb_get_cmap_len(&info->var))
1141 switch (info->var.bits_per_pixel) {
1143 outb(regno, XGIDACA);
1144 outb((red >> 10), XGIDACD);
1145 outb((green >> 10), XGIDACD);
1146 outb((blue >> 10), XGIDACD);
1147 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1148 outb(regno, XGIDAC2A);
1149 outb((red >> 8), XGIDAC2D);
1150 outb((green >> 8), XGIDAC2D);
1151 outb((blue >> 8), XGIDAC2D);
1155 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1156 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1163 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1170 /* ----------- FBDev related routines for all series ---------- */
1172 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1173 struct fb_info *info)
1175 struct xgifb_video_info *xgifb_info = info->par;
1177 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1179 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1181 /* if register_framebuffer has been called, we must lock */
1182 if (atomic_read(&info->count))
1183 mutex_lock(&info->mm_lock);
1185 fix->smem_start = xgifb_info->video_base;
1186 fix->smem_len = xgifb_info->video_size;
1188 /* if register_framebuffer has been called, we can unlock */
1189 if (atomic_read(&info->count))
1190 mutex_unlock(&info->mm_lock);
1192 fix->type = FB_TYPE_PACKED_PIXELS;
1194 if (xgifb_info->video_bpp == 8)
1195 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1197 fix->visual = FB_VISUAL_DIRECTCOLOR;
1202 fix->line_length = xgifb_info->video_linelength;
1203 fix->mmio_start = xgifb_info->mmio_base;
1204 fix->mmio_len = xgifb_info->mmio_size;
1205 fix->accel = FB_ACCEL_SIS_XABRE;
1210 static int XGIfb_set_par(struct fb_info *info)
1214 err = XGIfb_do_set_var(&info->var, 1, info);
1217 XGIfb_get_fix(&info->fix, -1, info);
1221 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1223 struct xgifb_video_info *xgifb_info = info->par;
1224 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1226 unsigned int vtotal = 0;
1227 unsigned int drate = 0, hrate = 0;
1229 int refresh_rate, search_idx;
1231 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1232 vtotal = var->upper_margin + var->yres + var->lower_margin
1235 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1236 vtotal = var->upper_margin + var->yres + var->lower_margin
1239 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1240 vtotal = var->upper_margin + (var->yres / 2)
1241 + var->lower_margin + var->vsync_len;
1243 vtotal = var->upper_margin + var->yres + var->lower_margin
1246 if (!(htotal) || !(vtotal)) {
1247 pr_debug("No valid timing data\n");
1251 if (var->pixclock && htotal && vtotal) {
1252 drate = 1000000000 / var->pixclock;
1253 hrate = (drate * 1000) / htotal;
1254 xgifb_info->refresh_rate =
1255 (unsigned int) (hrate * 2 / vtotal);
1257 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1258 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1259 __func__, var->pixclock, htotal, vtotal,
1260 __func__, drate, hrate, xgifb_info->refresh_rate);
1262 xgifb_info->refresh_rate = 60;
1265 /* Calculation wrong for 1024x600 - force it to 60Hz */
1266 if ((var->xres == 1024) && (var->yres == 600))
1270 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1271 (XGIbios_mode[search_idx].xres <= var->xres)) {
1272 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1273 (XGIbios_mode[search_idx].yres == var->yres) &&
1274 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1275 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1285 pr_err("%dx%dx%d is no valid mode\n",
1286 var->xres, var->yres, var->bits_per_pixel);
1288 while (XGIbios_mode[search_idx].mode_no != 0) {
1289 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1290 (var->yres <= XGIbios_mode[search_idx].yres) &&
1291 (var->bits_per_pixel ==
1292 XGIbios_mode[search_idx].bpp)) {
1293 if (XGIfb_validate_mode(xgifb_info,
1302 var->xres = XGIbios_mode[search_idx].xres;
1303 var->yres = XGIbios_mode[search_idx].yres;
1304 pr_debug("Adapted to mode %dx%dx%d\n",
1305 var->xres, var->yres, var->bits_per_pixel);
1308 pr_err("Failed to find similar mode to %dx%dx%d\n",
1309 var->xres, var->yres, var->bits_per_pixel);
1314 /* Adapt RGB settings */
1315 XGIfb_bpp_to_var(xgifb_info, var);
1318 if (var->xres != var->xres_virtual)
1319 var->xres_virtual = var->xres;
1320 if (var->yres != var->yres_virtual)
1321 var->yres_virtual = var->yres;
1324 /* Truncate offsets to maximum if too high */
1325 if (var->xoffset > var->xres_virtual - var->xres)
1326 var->xoffset = var->xres_virtual - var->xres - 1;
1328 if (var->yoffset > var->yres_virtual - var->yres)
1329 var->yoffset = var->yres_virtual - var->yres - 1;
1331 /* Set everything else to 0 */
1332 var->red.msb_right =
1333 var->green.msb_right =
1334 var->blue.msb_right =
1335 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1340 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1341 struct fb_info *info)
1345 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1347 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1350 if (var->vmode & FB_VMODE_YWRAP) {
1351 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1353 } else if (var->xoffset + info->var.xres > info->var.xres_virtual
1354 || var->yoffset + info->var.yres
1355 > info->var.yres_virtual) {
1358 err = XGIfb_pan_var(var, info);
1362 info->var.xoffset = var->xoffset;
1363 info->var.yoffset = var->yoffset;
1364 if (var->vmode & FB_VMODE_YWRAP)
1365 info->var.vmode |= FB_VMODE_YWRAP;
1367 info->var.vmode &= ~FB_VMODE_YWRAP;
1372 static int XGIfb_blank(int blank, struct fb_info *info)
1374 struct xgifb_video_info *xgifb_info = info->par;
1377 reg = xgifb_reg_get(XGICR, 0x17);
1384 xgifb_reg_set(XGICR, 0x17, reg);
1385 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1386 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1390 static struct fb_ops XGIfb_ops = {
1391 .owner = THIS_MODULE,
1392 .fb_open = XGIfb_open,
1393 .fb_release = XGIfb_release,
1394 .fb_check_var = XGIfb_check_var,
1395 .fb_set_par = XGIfb_set_par,
1396 .fb_setcolreg = XGIfb_setcolreg,
1397 .fb_pan_display = XGIfb_pan_display,
1398 .fb_blank = XGIfb_blank,
1399 .fb_fillrect = cfb_fillrect,
1400 .fb_copyarea = cfb_copyarea,
1401 .fb_imageblit = cfb_imageblit,
1404 /* ---------------- Chip generation dependent routines ---------------- */
1406 /* for XGI 315/550/650/740/330 */
1408 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1414 /* xorg driver sets 32MB * 1 channel */
1415 if (xgifb_info->chip == XG27)
1416 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1418 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1422 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1423 case XGI_DRAM_SIZE_1MB:
1424 xgifb_info->video_size = 0x100000;
1426 case XGI_DRAM_SIZE_2MB:
1427 xgifb_info->video_size = 0x200000;
1429 case XGI_DRAM_SIZE_4MB:
1430 xgifb_info->video_size = 0x400000;
1432 case XGI_DRAM_SIZE_8MB:
1433 xgifb_info->video_size = 0x800000;
1435 case XGI_DRAM_SIZE_16MB:
1436 xgifb_info->video_size = 0x1000000;
1438 case XGI_DRAM_SIZE_32MB:
1439 xgifb_info->video_size = 0x2000000;
1441 case XGI_DRAM_SIZE_64MB:
1442 xgifb_info->video_size = 0x4000000;
1444 case XGI_DRAM_SIZE_128MB:
1445 xgifb_info->video_size = 0x8000000;
1447 case XGI_DRAM_SIZE_256MB:
1448 xgifb_info->video_size = 0x10000000;
1454 tmp = (reg & 0x0c) >> 2;
1455 switch (xgifb_info->chip) {
1480 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1482 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1484 xgifb_info->video_size, ChannelNum);
1489 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1493 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1495 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1497 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1506 if (!xgifb_info->display2_force) {
1507 if (cr32 & SIS_VB_TV)
1508 xgifb_info->display2 = XGIFB_DISP_TV;
1509 else if (cr32 & SIS_VB_LCD)
1510 xgifb_info->display2 = XGIFB_DISP_LCD;
1511 else if (cr32 & SIS_VB_CRT2)
1512 xgifb_info->display2 = XGIFB_DISP_CRT;
1514 xgifb_info->display2 = XGIFB_DISP_NONE;
1517 if (XGIfb_tvplug != -1)
1518 /* Override with option */
1519 xgifb_info->TV_plug = XGIfb_tvplug;
1520 else if (cr32 & SIS_VB_HIVISION) {
1521 xgifb_info->TV_type = TVMODE_HIVISION;
1522 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1523 } else if (cr32 & SIS_VB_SVIDEO)
1524 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1525 else if (cr32 & SIS_VB_COMPOSITE)
1526 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1527 else if (cr32 & SIS_VB_SCART)
1528 xgifb_info->TV_plug = TVPLUG_SCART;
1530 if (xgifb_info->TV_type == 0) {
1531 temp = xgifb_reg_get(XGICR, 0x38);
1533 xgifb_info->TV_type = TVMODE_PAL;
1535 xgifb_info->TV_type = TVMODE_NTSC;
1538 /* Copy forceCRT1 option to CRT1off if option is given */
1539 if (XGIfb_forcecrt1 != -1) {
1540 if (XGIfb_forcecrt1)
1547 static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1551 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1552 switch (vb_chipid) {
1554 xgifb_info->hasVB = HASVB_301;
1557 xgifb_info->hasVB = HASVB_302;
1560 xgifb_info->hasVB = HASVB_NONE;
1566 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1570 if (!XGIfb_has_VB(xgifb_info)) {
1571 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1572 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1573 case SIS_EXTERNAL_CHIP_LVDS:
1574 xgifb_info->hasVB = HASVB_LVDS;
1576 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1577 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1585 static int __init xgifb_optval(char *fullopt, int validx)
1589 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1590 pr_err("Invalid value for option: %s\n", fullopt);
1596 static int __init XGIfb_setup(char *options)
1600 if (!options || !*options)
1603 pr_info("Options: %s\n", options);
1605 while ((this_opt = strsep(&options, ",")) != NULL) {
1610 if (!strncmp(this_opt, "mode:", 5)) {
1611 mode = this_opt + 5;
1612 } else if (!strncmp(this_opt, "vesa:", 5)) {
1613 vesa = xgifb_optval(this_opt, 5);
1614 } else if (!strncmp(this_opt, "vrate:", 6)) {
1615 refresh_rate = xgifb_optval(this_opt, 6);
1616 } else if (!strncmp(this_opt, "rate:", 5)) {
1617 refresh_rate = xgifb_optval(this_opt, 5);
1618 } else if (!strncmp(this_opt, "crt1off", 7)) {
1620 } else if (!strncmp(this_opt, "filter:", 7)) {
1621 filter = xgifb_optval(this_opt, 7);
1622 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1623 XGIfb_search_crt2type(this_opt + 14);
1624 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1625 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1626 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1627 XGIfb_search_tvstd(this_opt + 7);
1628 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1629 XGIfb_search_tvstd(this_opt + 7);
1630 } else if (!strncmp(this_opt, "dstn", 4)) {
1632 /* DSTN overrules forcecrt2type */
1633 XGIfb_crt2type = XGIFB_DISP_LCD;
1634 } else if (!strncmp(this_opt, "noypan", 6)) {
1643 static int xgifb_probe(struct pci_dev *pdev,
1644 const struct pci_device_id *ent)
1649 struct fb_info *fb_info;
1650 struct xgifb_video_info *xgifb_info;
1651 struct xgi_hw_device_info *hw_info;
1652 unsigned long video_size_max;
1654 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1658 xgifb_info = fb_info->par;
1659 hw_info = &xgifb_info->hw_info;
1660 xgifb_info->fb_info = fb_info;
1661 xgifb_info->chip_id = pdev->device;
1662 pci_read_config_byte(pdev,
1664 &xgifb_info->revision_id);
1665 hw_info->jChipRevision = xgifb_info->revision_id;
1667 xgifb_info->pcibus = pdev->bus->number;
1668 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1669 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1670 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1671 xgifb_info->subsysdevice = pdev->subsystem_device;
1673 video_size_max = pci_resource_len(pdev, 0);
1674 xgifb_info->video_base = pci_resource_start(pdev, 0);
1675 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1676 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1677 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1678 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1679 (u64) pci_resource_start(pdev, 2),
1680 xgifb_info->vga_base);
1682 if (pci_enable_device(pdev)) {
1687 if (XGIfb_crt2type != -1) {
1688 xgifb_info->display2 = XGIfb_crt2type;
1689 xgifb_info->display2_force = true;
1692 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1694 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1695 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1697 if (reg1 != 0xa1) { /*I/O error */
1698 dev_err(&pdev->dev, "I/O error\n");
1703 switch (xgifb_info->chip_id) {
1704 case PCI_DEVICE_ID_XGI_20:
1705 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1706 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1707 if (CR48&GPIOG_READ)
1708 xgifb_info->chip = XG21;
1710 xgifb_info->chip = XG20;
1712 case PCI_DEVICE_ID_XGI_40:
1713 xgifb_info->chip = XG40;
1715 case PCI_DEVICE_ID_XGI_42:
1716 xgifb_info->chip = XG42;
1718 case PCI_DEVICE_ID_XGI_27:
1719 xgifb_info->chip = XG27;
1726 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1727 hw_info->jChipType = xgifb_info->chip;
1729 if (XGIfb_get_dram_size(xgifb_info)) {
1730 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1732 } else if (xgifb_info->video_size > video_size_max) {
1733 xgifb_info->video_size = video_size_max;
1736 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1738 IND_SIS_PCI_ADDRESS_SET,
1739 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1740 /* Enable 2D accelerator engine */
1741 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1743 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1745 if (!request_mem_region(xgifb_info->video_base,
1746 xgifb_info->video_size,
1748 dev_err(&pdev->dev, "Unable request memory size %x\n",
1749 xgifb_info->video_size);
1751 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1756 if (!request_mem_region(xgifb_info->mmio_base,
1757 xgifb_info->mmio_size,
1760 "Fatal error: Unable to reserve MMIO region\n");
1765 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
1766 ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
1767 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1768 xgifb_info->mmio_size);
1770 dev_info(&pdev->dev,
1771 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1772 (u64) xgifb_info->video_base,
1773 xgifb_info->video_vbase,
1774 xgifb_info->video_size / 1024);
1776 dev_info(&pdev->dev,
1777 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1778 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1779 xgifb_info->mmio_size / 1024);
1781 pci_set_drvdata(pdev, xgifb_info);
1782 if (!XGIInitNew(pdev))
1783 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1785 xgifb_info->mtrr = -1;
1787 xgifb_info->hasVB = HASVB_NONE;
1788 if ((xgifb_info->chip == XG20) ||
1789 (xgifb_info->chip == XG27)) {
1790 xgifb_info->hasVB = HASVB_NONE;
1791 } else if (xgifb_info->chip == XG21) {
1792 CR38 = xgifb_reg_get(XGICR, 0x38);
1793 if ((CR38&0xE0) == 0xC0)
1794 xgifb_info->display2 = XGIFB_DISP_LCD;
1795 else if ((CR38&0xE0) == 0x60)
1796 xgifb_info->hasVB = HASVB_CHRONTEL;
1798 xgifb_info->hasVB = HASVB_NONE;
1800 XGIfb_get_VB_type(xgifb_info);
1803 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1805 hw_info->ulExternalChip = 0;
1807 switch (xgifb_info->hasVB) {
1809 reg = xgifb_reg_get(XGIPART4, 0x01);
1811 hw_info->ujVBChipID = VB_CHIP_302LV;
1812 dev_info(&pdev->dev,
1813 "XGI302LV bridge detected (revision 0x%02x)\n",
1815 } else if (reg >= 0xD0) {
1816 hw_info->ujVBChipID = VB_CHIP_301LV;
1817 dev_info(&pdev->dev,
1818 "XGI301LV bridge detected (revision 0x%02x)\n",
1821 hw_info->ujVBChipID = VB_CHIP_301;
1822 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1826 reg = xgifb_reg_get(XGIPART4, 0x01);
1828 hw_info->ujVBChipID = VB_CHIP_302LV;
1829 dev_info(&pdev->dev,
1830 "XGI302LV bridge detected (revision 0x%02x)\n",
1832 } else if (reg >= 0xD0) {
1833 hw_info->ujVBChipID = VB_CHIP_301LV;
1834 dev_info(&pdev->dev,
1835 "XGI302LV bridge detected (revision 0x%02x)\n",
1837 } else if (reg >= 0xB0) {
1838 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1840 hw_info->ujVBChipID = VB_CHIP_302B;
1843 hw_info->ujVBChipID = VB_CHIP_302;
1844 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1848 hw_info->ulExternalChip = 0x1;
1849 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1851 case HASVB_TRUMPION:
1852 hw_info->ulExternalChip = 0x2;
1853 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1855 case HASVB_CHRONTEL:
1856 hw_info->ulExternalChip = 0x4;
1857 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1859 case HASVB_LVDS_CHRONTEL:
1860 hw_info->ulExternalChip = 0x5;
1861 dev_info(&pdev->dev,
1862 "LVDS transmitter and Chrontel TV encoder detected\n");
1865 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1869 if (xgifb_info->hasVB != HASVB_NONE)
1870 XGIfb_detect_VB(xgifb_info);
1871 else if (xgifb_info->chip != XG21)
1872 xgifb_info->display2 = XGIFB_DISP_NONE;
1874 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1876 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1878 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1882 xgifb_info->mode_idx = -1;
1885 XGIfb_search_mode(xgifb_info, mode);
1886 else if (vesa != -1)
1887 XGIfb_search_vesamode(xgifb_info, vesa);
1889 if (xgifb_info->mode_idx >= 0)
1890 xgifb_info->mode_idx =
1891 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1893 if (xgifb_info->mode_idx < 0) {
1894 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1895 xgifb_info->chip == XG21)
1896 xgifb_info->mode_idx =
1897 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1899 xgifb_info->mode_idx = DEFAULT_MODE;
1902 if (xgifb_info->mode_idx < 0) {
1903 dev_err(&pdev->dev, "No supported video mode found\n");
1908 /* set default refresh rate */
1909 xgifb_info->refresh_rate = refresh_rate;
1910 if (xgifb_info->refresh_rate == 0)
1911 xgifb_info->refresh_rate = 60;
1912 if (XGIfb_search_refresh_rate(xgifb_info,
1913 xgifb_info->refresh_rate) == 0) {
1914 xgifb_info->rate_idx = 1;
1915 xgifb_info->refresh_rate = 60;
1918 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1919 xgifb_info->video_vwidth =
1920 xgifb_info->video_width =
1921 XGIbios_mode[xgifb_info->mode_idx].xres;
1922 xgifb_info->video_vheight =
1923 xgifb_info->video_height =
1924 XGIbios_mode[xgifb_info->mode_idx].yres;
1925 xgifb_info->org_x = xgifb_info->org_y = 0;
1926 xgifb_info->video_linelength =
1927 xgifb_info->video_width *
1928 (xgifb_info->video_bpp >> 3);
1929 switch (xgifb_info->video_bpp) {
1931 xgifb_info->DstColor = 0x0000;
1932 xgifb_info->XGI310_AccelDepth = 0x00000000;
1933 xgifb_info->video_cmap_len = 256;
1936 xgifb_info->DstColor = 0x8000;
1937 xgifb_info->XGI310_AccelDepth = 0x00010000;
1938 xgifb_info->video_cmap_len = 16;
1941 xgifb_info->DstColor = 0xC000;
1942 xgifb_info->XGI310_AccelDepth = 0x00020000;
1943 xgifb_info->video_cmap_len = 16;
1946 xgifb_info->video_cmap_len = 16;
1947 pr_info("Unsupported depth %d\n",
1948 xgifb_info->video_bpp);
1952 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1953 xgifb_info->video_width,
1954 xgifb_info->video_height,
1955 xgifb_info->video_bpp,
1956 xgifb_info->refresh_rate);
1958 fb_info->var.red.length = 8;
1959 fb_info->var.green.length = 8;
1960 fb_info->var.blue.length = 8;
1961 fb_info->var.activate = FB_ACTIVATE_NOW;
1962 fb_info->var.height = -1;
1963 fb_info->var.width = -1;
1964 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
1965 fb_info->var.xres = xgifb_info->video_width;
1966 fb_info->var.xres_virtual = xgifb_info->video_width;
1967 fb_info->var.yres = xgifb_info->video_height;
1968 fb_info->var.yres_virtual = xgifb_info->video_height;
1969 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
1971 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
1973 fb_info->var.pixclock = (u32) (1000000000 /
1974 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
1976 XGIbios_mode[xgifb_info->mode_idx].mode_no));
1978 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
1979 XGIbios_mode[xgifb_info->mode_idx].mode_no,
1980 &fb_info->var.left_margin,
1981 &fb_info->var.right_margin,
1982 &fb_info->var.upper_margin,
1983 &fb_info->var.lower_margin,
1984 &fb_info->var.hsync_len,
1985 &fb_info->var.vsync_len,
1987 &fb_info->var.vmode)) {
1989 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1990 FB_VMODE_INTERLACED) {
1991 fb_info->var.yres <<= 1;
1992 fb_info->var.yres_virtual <<= 1;
1993 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1995 fb_info->var.pixclock >>= 1;
1996 fb_info->var.yres >>= 1;
1997 fb_info->var.yres_virtual >>= 1;
2002 fb_info->flags = FBINFO_FLAG_DEFAULT;
2003 fb_info->screen_base = xgifb_info->video_vbase;
2004 fb_info->fbops = &XGIfb_ops;
2005 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2006 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2008 fb_alloc_cmap(&fb_info->cmap, 256, 0);
2010 xgifb_info->mtrr = arch_phys_wc_add(xgifb_info->video_base,
2011 xgifb_info->video_size);
2013 if (register_framebuffer(fb_info) < 0) {
2018 dumpVGAReg(xgifb_info);
2023 arch_phys_wc_del(xgifb_info->mtrr);
2025 iounmap(xgifb_info->mmio_vbase);
2026 iounmap(xgifb_info->video_vbase);
2027 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2029 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2031 pci_disable_device(pdev);
2033 framebuffer_release(fb_info);
2037 /*****************************************************/
2038 /* PCI DEVICE HANDLING */
2039 /*****************************************************/
2041 static void xgifb_remove(struct pci_dev *pdev)
2043 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2044 struct fb_info *fb_info = xgifb_info->fb_info;
2046 unregister_framebuffer(fb_info);
2047 arch_phys_wc_del(xgifb_info->mtrr);
2048 iounmap(xgifb_info->mmio_vbase);
2049 iounmap(xgifb_info->video_vbase);
2050 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2051 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2052 pci_disable_device(pdev);
2053 framebuffer_release(fb_info);
2056 static struct pci_driver xgifb_driver = {
2058 .id_table = xgifb_pci_table,
2059 .probe = xgifb_probe,
2060 .remove = xgifb_remove
2063 /*****************************************************/
2065 /*****************************************************/
2067 module_param(mode, charp, 0);
2068 MODULE_PARM_DESC(mode,
2069 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2071 module_param(forcecrt2type, charp, 0);
2072 MODULE_PARM_DESC(forcecrt2type,
2073 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2075 module_param(vesa, int, 0);
2076 MODULE_PARM_DESC(vesa,
2077 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2079 module_param(filter, int, 0);
2080 MODULE_PARM_DESC(filter,
2081 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2083 static int __init xgifb_init(void)
2085 char *option = NULL;
2087 if (forcecrt2type != NULL)
2088 XGIfb_search_crt2type(forcecrt2type);
2089 if (fb_get_options("xgifb", &option))
2091 XGIfb_setup(option);
2093 return pci_register_driver(&xgifb_driver);
2096 static void __exit xgifb_remove_module(void)
2098 pci_unregister_driver(&xgifb_driver);
2099 pr_debug("Module unloaded\n");
2102 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2103 MODULE_LICENSE("GPL");
2104 MODULE_AUTHOR("XGITECH , Others");
2105 module_init(xgifb_init);
2106 module_exit(xgifb_remove_module);