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/module.h>
18 #include "vb_setmode.h"
20 #define Index_CR_GPIO_Reg1 0x48
21 #define Index_CR_GPIO_Reg3 0x4a
23 #define GPIOG_EN (1<<6)
24 #define GPIOG_READ (1<<1)
26 static char *forcecrt2type;
29 static unsigned int refresh_rate;
31 /* -------------------- Macro definitions ---------------------------- */
34 static void dumpVGAReg(void)
38 xgifb_reg_set(XGISR, 0x05, 0x86);
40 for (i = 0; i < 0x4f; i++) {
41 reg = xgifb_reg_get(XGISR, i);
42 pr_debug("o 3c4 %x\n", i);
43 pr_debug("i 3c5 => %x\n", reg);
46 for (i = 0; i < 0xF0; i++) {
47 reg = xgifb_reg_get(XGICR, i);
48 pr_debug("o 3d4 %x\n", i);
49 pr_debug("i 3d5 => %x\n", reg);
53 static inline void dumpVGAReg(void)
58 /* --------------- Hardware Access Routines -------------------------- */
60 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
61 struct xgi_hw_device_info *HwDeviceExtension,
62 unsigned char modeno, unsigned char rateindex)
64 unsigned short ModeNo = modeno;
65 unsigned short ModeIdIndex = 0, ClockIndex = 0;
66 unsigned short RefreshRateTableIndex = 0;
68 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
70 XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
72 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
75 ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
77 Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
82 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
83 struct xgi_hw_device_info *HwDeviceExtension,
84 unsigned char modeno, unsigned char rateindex,
85 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
86 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
89 unsigned short ModeNo = modeno;
90 unsigned short ModeIdIndex, index = 0;
91 unsigned short RefreshRateTableIndex = 0;
93 unsigned short VRE, VBE, VRS, VBS, VDE, VT;
94 unsigned short HRE, HBE, HRS, HBS, HDE, HT;
95 unsigned char sr_data, cr_data, cr_data2;
96 unsigned long cr_data3;
97 int A, B, C, D, E, F, temp, j;
98 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
99 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr))
101 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
102 ModeIdIndex, XGI_Pr);
103 index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
105 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
107 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
109 /* Horizontal total */
110 HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
113 HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
116 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
118 /* Horizontal retrace (=sync) start */
119 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
122 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
124 /* Horizontal blank start */
125 HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
127 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
129 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
131 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
133 /* Horizontal blank end */
134 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
135 | ((unsigned short) (sr_data & 0x03) << 6);
137 /* Horizontal retrace (=sync) end */
138 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
140 temp = HBE - ((E - 1) & 255);
141 B = (temp > 0) ? temp : (temp + 256);
143 temp = HRE - ((E + F + 3) & 63);
144 C = (temp > 0) ? temp : (temp + 64);
148 *left_margin = D * 8;
149 *right_margin = F * 8;
152 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
154 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
156 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
159 VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
160 | ((unsigned short) (cr_data2 & 0x20) << 4)
161 | ((unsigned short) (sr_data & 0x01) << 10);
164 VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
167 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
169 /* Vertical retrace (=sync) start */
170 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
171 | ((unsigned short) (cr_data2 & 0x80) << 2)
172 | ((unsigned short) (sr_data & 0x08) << 7);
175 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
177 cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
179 /* Vertical blank start */
180 VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
181 | ((unsigned short) (cr_data3 & 0x20) << 4)
182 | ((unsigned short) (sr_data & 0x04) << 8);
184 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
186 /* Vertical blank end */
187 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
188 temp = VBE - ((E - 1) & 511);
189 B = (temp > 0) ? temp : (temp + 512);
191 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
193 /* Vertical retrace (=sync) end */
194 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
195 temp = VRE - ((E + F - 1) & 31);
196 C = (temp > 0) ? temp : (temp + 32);
204 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
205 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
207 *sync |= FB_SYNC_VERT_HIGH_ACT;
209 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
210 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
212 *sync |= FB_SYNC_HOR_HIGH_ACT;
214 *vmode = FB_VMODE_NONINTERLACED;
215 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
216 *vmode = FB_VMODE_INTERLACED;
219 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
220 if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
221 XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
222 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
224 *vmode = FB_VMODE_DOUBLE;
235 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
237 XGI_Pr->P3c4 = BaseAddr + 0x14;
238 XGI_Pr->P3d4 = BaseAddr + 0x24;
239 XGI_Pr->P3c0 = BaseAddr + 0x10;
240 XGI_Pr->P3ce = BaseAddr + 0x1e;
241 XGI_Pr->P3c2 = BaseAddr + 0x12;
242 XGI_Pr->P3ca = BaseAddr + 0x1a;
243 XGI_Pr->P3c6 = BaseAddr + 0x16;
244 XGI_Pr->P3c7 = BaseAddr + 0x17;
245 XGI_Pr->P3c8 = BaseAddr + 0x18;
246 XGI_Pr->P3c9 = BaseAddr + 0x19;
247 XGI_Pr->P3da = BaseAddr + 0x2A;
248 /* Digital video interface registers (LCD) */
249 XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
250 /* 301 TV Encoder registers */
251 XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
252 /* 301 Macrovision registers */
253 XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
254 /* 301 VGA2 (and LCD) registers */
255 XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
256 /* 301 palette address port registers */
257 XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
261 /* ------------------ Internal helper routines ----------------- */
263 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
267 while ((XGIbios_mode[i].mode_no != 0)
268 && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
269 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE)
270 && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE)
271 && (XGIbios_mode[i].bpp == 8)) {
280 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
288 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
292 bpp = 32; /* That's for people who mix up color and fb depth. */
294 for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
295 if (XGIbios_mode[i].xres == xres &&
296 XGIbios_mode[i].yres == yres &&
297 XGIbios_mode[i].bpp == bpp) {
298 xgifb_info->mode_idx = i;
302 pr_info("Invalid mode '%s'\n", name);
305 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
306 unsigned int vesamode)
313 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
315 while (XGIbios_mode[i].mode_no != 0) {
316 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
317 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
318 xgifb_info->mode_idx = i;
325 pr_info("Invalid VESA mode 0x%x'\n", vesamode);
328 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
331 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
333 if (xgifb_info->chip == XG21) {
334 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
335 xres = xgifb_info->lvds_data.LVDSHDE;
336 yres = xgifb_info->lvds_data.LVDSVDE;
337 if (XGIbios_mode[myindex].xres > xres)
339 if (XGIbios_mode[myindex].yres > yres)
341 if ((XGIbios_mode[myindex].xres < xres) &&
342 (XGIbios_mode[myindex].yres < yres)) {
343 if (XGIbios_mode[myindex].bpp > 8)
352 /* FIXME: for now, all is valid on XG27 */
353 if (xgifb_info->chip == XG27)
356 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
359 switch (xgifb_info->display2) {
361 switch (hw_info->ulCRT2LCDType) {
407 if (XGIbios_mode[myindex].xres > xres)
409 if (XGIbios_mode[myindex].yres > yres)
411 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
412 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
413 switch (XGIbios_mode[myindex].xres) {
415 if (XGIbios_mode[myindex].yres != 512)
417 if (hw_info->ulCRT2LCDType == LCD_1024x600)
421 if ((XGIbios_mode[myindex].yres != 400)
422 && (XGIbios_mode[myindex].yres
427 if (XGIbios_mode[myindex].yres != 600)
431 if ((XGIbios_mode[myindex].yres != 600) &&
432 (XGIbios_mode[myindex].yres != 768))
434 if ((XGIbios_mode[myindex].yres == 600) &&
435 (hw_info->ulCRT2LCDType != LCD_1024x600))
439 if ((XGIbios_mode[myindex].yres) != 768)
441 if (hw_info->ulCRT2LCDType != LCD_1152x768)
445 if ((XGIbios_mode[myindex].yres != 768) &&
446 (XGIbios_mode[myindex].yres != 1024))
448 if ((XGIbios_mode[myindex].yres == 768) &&
449 (hw_info->ulCRT2LCDType != LCD_1280x768))
453 if (XGIbios_mode[myindex].yres != 1050)
457 if (XGIbios_mode[myindex].yres != 1200)
464 switch (XGIbios_mode[myindex].xres) {
466 if (XGIbios_mode[myindex].yres != 512)
470 if ((XGIbios_mode[myindex].yres != 400) &&
471 (XGIbios_mode[myindex].yres != 480))
475 if (XGIbios_mode[myindex].yres != 600)
479 if (XGIbios_mode[myindex].yres != 768)
483 if ((XGIbios_mode[myindex].yres != 960) &&
484 (XGIbios_mode[myindex].yres != 1024))
486 if (XGIbios_mode[myindex].yres == 960) {
487 if (hw_info->ulCRT2LCDType ==
493 if (XGIbios_mode[myindex].yres != 1050)
497 if (XGIbios_mode[myindex].yres != 1200)
506 switch (XGIbios_mode[myindex].xres) {
512 if (xgifb_info->TV_type == TVMODE_NTSC) {
513 if (XGIbios_mode[myindex].yres != 480)
515 } else if (xgifb_info->TV_type == TVMODE_PAL) {
516 if (XGIbios_mode[myindex].yres != 576)
519 /* LVDS/CHRONTEL does not support 720 */
520 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
521 xgifb_info->hasVB == HASVB_CHRONTEL) {
526 if (xgifb_info->TV_type == TVMODE_NTSC) {
527 if (XGIbios_mode[myindex].bpp == 32)
536 if (XGIbios_mode[myindex].xres > 1280)
539 case XGIFB_DISP_NONE:
546 static void XGIfb_search_crt2type(const char *name)
553 while (XGI_crt2type[i].type_no != -1) {
554 if (!strcmp(name, XGI_crt2type[i].name)) {
555 XGIfb_crt2type = XGI_crt2type[i].type_no;
556 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
561 if (XGIfb_crt2type < 0)
562 pr_info("Invalid CRT2 type: %s\n", name);
565 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
571 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
572 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
574 xgifb_info->rate_idx = 0;
575 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
576 if ((XGIfb_vrate[i].xres == xres) &&
577 (XGIfb_vrate[i].yres == yres)) {
578 if (XGIfb_vrate[i].refresh == rate) {
579 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
581 } else if (XGIfb_vrate[i].refresh > rate) {
582 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
583 pr_debug("Adjusting rate from %d up to %d\n",
584 rate, XGIfb_vrate[i].refresh);
585 xgifb_info->rate_idx =
587 xgifb_info->refresh_rate =
588 XGIfb_vrate[i].refresh;
589 } else if (((rate - XGIfb_vrate[i - 1].refresh)
590 <= 2) && (XGIfb_vrate[i].idx
592 pr_debug("Adjusting rate from %d down to %d\n",
594 XGIfb_vrate[i-1].refresh);
595 xgifb_info->rate_idx =
596 XGIfb_vrate[i - 1].idx;
597 xgifb_info->refresh_rate =
598 XGIfb_vrate[i - 1].refresh;
601 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
602 pr_debug("Adjusting rate from %d down to %d\n",
603 rate, XGIfb_vrate[i].refresh);
604 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
610 if (xgifb_info->rate_idx > 0) {
611 return xgifb_info->rate_idx;
613 pr_info("Unsupported rate %d for %dx%d\n",
619 static void XGIfb_search_tvstd(const char *name)
626 while (XGI_tvtype[i].type_no != -1) {
627 if (!strcmp(name, XGI_tvtype[i].name)) {
628 XGIfb_tvmode = XGI_tvtype[i].type_no;
635 /* ----------- FBDev related routines for all series ----------- */
637 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
638 struct fb_var_screeninfo *var)
640 switch (var->bits_per_pixel) {
642 var->red.offset = var->green.offset = var->blue.offset = 0;
643 var->red.length = var->green.length = var->blue.length = 6;
644 xgifb_info->video_cmap_len = 256;
647 var->red.offset = 11;
649 var->green.offset = 5;
650 var->green.length = 6;
651 var->blue.offset = 0;
652 var->blue.length = 5;
653 var->transp.offset = 0;
654 var->transp.length = 0;
655 xgifb_info->video_cmap_len = 16;
658 var->red.offset = 16;
660 var->green.offset = 8;
661 var->green.length = 8;
662 var->blue.offset = 0;
663 var->blue.length = 8;
664 var->transp.offset = 24;
665 var->transp.length = 8;
666 xgifb_info->video_cmap_len = 16;
671 /* --------------------- SetMode routines ------------------------- */
673 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
675 u8 cr30 = 0, cr31 = 0;
677 cr31 = xgifb_reg_get(XGICR, 0x31);
680 switch (xgifb_info->display2) {
682 cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
683 cr31 |= SIS_DRIVER_MODE;
686 cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
687 cr31 |= SIS_DRIVER_MODE;
690 if (xgifb_info->TV_type == TVMODE_HIVISION)
691 cr30 = (SIS_VB_OUTPUT_HIVISION
692 | SIS_SIMULTANEOUS_VIEW_ENABLE);
693 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
694 cr30 = (SIS_VB_OUTPUT_SVIDEO
695 | SIS_SIMULTANEOUS_VIEW_ENABLE);
696 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
697 cr30 = (SIS_VB_OUTPUT_COMPOSITE
698 | SIS_SIMULTANEOUS_VIEW_ENABLE);
699 else if (xgifb_info->TV_plug == TVPLUG_SCART)
700 cr30 = (SIS_VB_OUTPUT_SCART
701 | SIS_SIMULTANEOUS_VIEW_ENABLE);
702 cr31 |= SIS_DRIVER_MODE;
704 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
709 default: /* disable CRT2 */
711 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
714 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
715 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
716 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
717 (xgifb_info->rate_idx & 0x0F));
720 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
723 unsigned char doit = 1;
725 if (xgifb_info->video_bpp == 8) {
727 * We can't switch off CRT1 on LVDS/Chrontel
730 if ((xgifb_info->hasVB == HASVB_LVDS) ||
731 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
735 * We can't switch off CRT1 on 301B-DH
736 * in 8bpp Modes if using LCD
738 if (xgifb_info->display2 == XGIFB_DISP_LCD)
742 /* We can't switch off CRT1 if bridge is in slave mode */
743 if (xgifb_info->hasVB != HASVB_NONE) {
744 reg = xgifb_reg_get(XGIPART1, 0x00);
746 if ((reg & 0x50) == 0x10)
753 reg = xgifb_reg_get(XGICR, 0x17);
754 if ((XGIfb_crt1off) && (doit))
758 xgifb_reg_set(XGICR, 0x17, reg);
760 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
762 if (xgifb_info->display2 == XGIFB_DISP_TV &&
763 xgifb_info->hasVB == HASVB_301) {
765 reg = xgifb_reg_get(XGIPART4, 0x01);
767 if (reg < 0xB0) { /* Set filter for XGI301 */
770 switch (xgifb_info->video_width) {
772 filter_tb = (xgifb_info->TV_type ==
773 TVMODE_NTSC) ? 4 : 12;
776 filter_tb = (xgifb_info->TV_type ==
777 TVMODE_NTSC) ? 5 : 13;
780 filter_tb = (xgifb_info->TV_type ==
781 TVMODE_NTSC) ? 6 : 14;
784 filter_tb = (xgifb_info->TV_type ==
785 TVMODE_NTSC) ? 7 : 15;
792 xgifb_reg_or(XGIPART1,
793 SIS_CRT2_WENABLE_315,
796 if (xgifb_info->TV_type == TVMODE_NTSC) {
798 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
800 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
802 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
804 } else if (xgifb_info->TV_plug
805 == TVPLUG_COMPOSITE) {
807 xgifb_reg_or(XGIPART2, 0x30, 0x20);
809 switch (xgifb_info->video_width) {
811 xgifb_reg_set(XGIPART2,
814 xgifb_reg_set(XGIPART2,
817 xgifb_reg_set(XGIPART2,
820 xgifb_reg_set(XGIPART2,
825 xgifb_reg_set(XGIPART2,
828 xgifb_reg_set(XGIPART2,
831 xgifb_reg_set(XGIPART2,
834 xgifb_reg_set(XGIPART2,
839 xgifb_reg_set(XGIPART2,
842 xgifb_reg_set(XGIPART2,
845 xgifb_reg_set(XGIPART2,
848 xgifb_reg_set(XGIPART2,
855 } else if (xgifb_info->TV_type == TVMODE_PAL) {
857 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
859 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
861 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
863 } else if (xgifb_info->TV_plug
864 == TVPLUG_COMPOSITE) {
866 xgifb_reg_or(XGIPART2, 0x30, 0x20);
868 switch (xgifb_info->video_width) {
870 xgifb_reg_set(XGIPART2,
873 xgifb_reg_set(XGIPART2,
876 xgifb_reg_set(XGIPART2,
879 xgifb_reg_set(XGIPART2,
884 xgifb_reg_set(XGIPART2,
887 xgifb_reg_set(XGIPART2,
890 xgifb_reg_set(XGIPART2,
893 xgifb_reg_set(XGIPART2,
898 xgifb_reg_set(XGIPART2,
901 xgifb_reg_set(XGIPART2,
904 xgifb_reg_set(XGIPART2,
907 xgifb_reg_set(XGIPART2,
915 if ((filter >= 0) && (filter <= 7)) {
916 pr_debug("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
918 XGI_TV_filter[filter_tb].
920 XGI_TV_filter[filter_tb].
922 XGI_TV_filter[filter_tb].
924 XGI_TV_filter[filter_tb].
930 (XGI_TV_filter[filter_tb].
935 (XGI_TV_filter[filter_tb].
940 (XGI_TV_filter[filter_tb].
945 (XGI_TV_filter[filter_tb].
952 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
953 struct fb_info *info)
955 struct xgifb_video_info *xgifb_info = info->par;
956 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
957 unsigned int htotal = var->left_margin + var->xres + var->right_margin
959 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
961 #if defined(__powerpc__)
964 unsigned int drate = 0, hrate = 0;
968 info->var.xres_virtual = var->xres_virtual;
969 info->var.yres_virtual = var->yres_virtual;
970 info->var.bits_per_pixel = var->bits_per_pixel;
972 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
974 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
977 if (!htotal || !vtotal) {
978 pr_debug("Invalid 'var' information\n");
980 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
981 var->pixclock, htotal, vtotal);
983 if (var->pixclock && htotal && vtotal) {
984 drate = 1000000000 / var->pixclock;
985 hrate = (drate * 1000) / htotal;
986 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
989 xgifb_info->refresh_rate = 60;
992 pr_debug("Change mode to %dx%dx%d-%dHz\n",
996 xgifb_info->refresh_rate);
998 old_mode = xgifb_info->mode_idx;
999 xgifb_info->mode_idx = 0;
1001 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1002 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1003 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1004 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1005 (XGIbios_mode[xgifb_info->mode_idx].bpp
1006 == var->bits_per_pixel)) {
1010 xgifb_info->mode_idx++;
1014 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1015 xgifb_info->mode_idx);
1017 xgifb_info->mode_idx = -1;
1019 if (xgifb_info->mode_idx < 0) {
1020 pr_err("Mode %dx%dx%d not supported\n",
1021 var->xres, var->yres, var->bits_per_pixel);
1022 xgifb_info->mode_idx = old_mode;
1026 if (XGIfb_search_refresh_rate(xgifb_info,
1027 xgifb_info->refresh_rate) == 0) {
1028 xgifb_info->rate_idx = 1;
1029 xgifb_info->refresh_rate = 60;
1034 XGIfb_pre_setmode(xgifb_info);
1035 if (XGISetModeNew(xgifb_info, hw_info,
1036 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1038 pr_err("Setting mode[0x%x] failed\n",
1039 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1042 info->fix.line_length = ((info->var.xres_virtual
1043 * info->var.bits_per_pixel) >> 6);
1045 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1047 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1048 xgifb_reg_set(XGISR,
1050 (info->fix.line_length & 0xff00) >> 8);
1052 XGIfb_post_setmode(xgifb_info);
1054 pr_debug("Set new mode: %dx%dx%d-%d\n",
1055 XGIbios_mode[xgifb_info->mode_idx].xres,
1056 XGIbios_mode[xgifb_info->mode_idx].yres,
1057 XGIbios_mode[xgifb_info->mode_idx].bpp,
1058 xgifb_info->refresh_rate);
1060 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1061 xgifb_info->video_vwidth = info->var.xres_virtual;
1062 xgifb_info->video_width =
1063 XGIbios_mode[xgifb_info->mode_idx].xres;
1064 xgifb_info->video_vheight = info->var.yres_virtual;
1065 xgifb_info->video_height =
1066 XGIbios_mode[xgifb_info->mode_idx].yres;
1067 xgifb_info->org_x = xgifb_info->org_y = 0;
1068 xgifb_info->video_linelength = info->var.xres_virtual
1069 * (xgifb_info->video_bpp >> 3);
1070 switch (xgifb_info->video_bpp) {
1072 xgifb_info->DstColor = 0x0000;
1073 xgifb_info->XGI310_AccelDepth = 0x00000000;
1074 xgifb_info->video_cmap_len = 256;
1075 #if defined(__powerpc__)
1076 cr_data = xgifb_reg_get(XGICR, 0x4D);
1077 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1081 xgifb_info->DstColor = 0x8000;
1082 xgifb_info->XGI310_AccelDepth = 0x00010000;
1083 #if defined(__powerpc__)
1084 cr_data = xgifb_reg_get(XGICR, 0x4D);
1085 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1087 xgifb_info->video_cmap_len = 16;
1090 xgifb_info->DstColor = 0xC000;
1091 xgifb_info->XGI310_AccelDepth = 0x00020000;
1092 xgifb_info->video_cmap_len = 16;
1093 #if defined(__powerpc__)
1094 cr_data = xgifb_reg_get(XGICR, 0x4D);
1095 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1099 xgifb_info->video_cmap_len = 16;
1100 pr_err("Unsupported depth %d\n",
1101 xgifb_info->video_bpp);
1105 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1111 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1113 struct xgifb_video_info *xgifb_info = info->par;
1116 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1118 /* calculate base bpp dep. */
1119 switch (info->var.bits_per_pixel) {
1131 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1133 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1134 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1135 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1136 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1137 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1139 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1140 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1141 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1142 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1143 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1144 xgifb_reg_and_or(XGIPART1,
1147 ((base >> 24) & 0x01) << 7);
1152 static int XGIfb_open(struct fb_info *info, int user)
1157 static int XGIfb_release(struct fb_info *info, int user)
1162 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1166 switch (var->bits_per_pixel) {
1180 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1181 unsigned blue, unsigned transp, struct fb_info *info)
1183 struct xgifb_video_info *xgifb_info = info->par;
1185 if (regno >= XGIfb_get_cmap_len(&info->var))
1188 switch (info->var.bits_per_pixel) {
1190 outb(regno, XGIDACA);
1191 outb((red >> 10), XGIDACD);
1192 outb((green >> 10), XGIDACD);
1193 outb((blue >> 10), XGIDACD);
1194 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1195 outb(regno, XGIDAC2A);
1196 outb((red >> 8), XGIDAC2D);
1197 outb((green >> 8), XGIDAC2D);
1198 outb((blue >> 8), XGIDAC2D);
1202 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1203 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1210 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1217 /* ----------- FBDev related routines for all series ---------- */
1219 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1220 struct fb_info *info)
1222 struct xgifb_video_info *xgifb_info = info->par;
1224 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1226 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1228 /* if register_framebuffer has been called, we must lock */
1229 if (atomic_read(&info->count))
1230 mutex_lock(&info->mm_lock);
1232 fix->smem_start = xgifb_info->video_base;
1233 fix->smem_len = xgifb_info->video_size;
1235 /* if register_framebuffer has been called, we can unlock */
1236 if (atomic_read(&info->count))
1237 mutex_unlock(&info->mm_lock);
1239 fix->type = FB_TYPE_PACKED_PIXELS;
1241 if (xgifb_info->video_bpp == 8)
1242 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1244 fix->visual = FB_VISUAL_DIRECTCOLOR;
1249 fix->line_length = xgifb_info->video_linelength;
1250 fix->mmio_start = xgifb_info->mmio_base;
1251 fix->mmio_len = xgifb_info->mmio_size;
1252 fix->accel = FB_ACCEL_SIS_XABRE;
1257 static int XGIfb_set_par(struct fb_info *info)
1261 err = XGIfb_do_set_var(&info->var, 1, info);
1264 XGIfb_get_fix(&info->fix, -1, info);
1268 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1270 struct xgifb_video_info *xgifb_info = info->par;
1271 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1273 unsigned int vtotal = 0;
1274 unsigned int drate = 0, hrate = 0;
1276 int refresh_rate, search_idx;
1278 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1279 vtotal = var->upper_margin + var->yres + var->lower_margin
1282 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1283 vtotal = var->upper_margin + var->yres + var->lower_margin
1286 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1287 vtotal = var->upper_margin + (var->yres / 2)
1288 + var->lower_margin + var->vsync_len;
1290 vtotal = var->upper_margin + var->yres + var->lower_margin
1293 if (!(htotal) || !(vtotal)) {
1294 pr_debug("No valid timing data\n");
1298 if (var->pixclock && htotal && vtotal) {
1299 drate = 1000000000 / var->pixclock;
1300 hrate = (drate * 1000) / htotal;
1301 xgifb_info->refresh_rate =
1302 (unsigned int) (hrate * 2 / vtotal);
1304 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1305 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1306 __func__, var->pixclock, htotal, vtotal,
1307 __func__, drate, hrate, xgifb_info->refresh_rate);
1309 xgifb_info->refresh_rate = 60;
1312 /* Calculation wrong for 1024x600 - force it to 60Hz */
1313 if ((var->xres == 1024) && (var->yres == 600))
1317 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1318 (XGIbios_mode[search_idx].xres <= var->xres)) {
1319 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1320 (XGIbios_mode[search_idx].yres == var->yres) &&
1321 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1322 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1332 pr_err("%dx%dx%d is no valid mode\n",
1333 var->xres, var->yres, var->bits_per_pixel);
1335 while (XGIbios_mode[search_idx].mode_no != 0) {
1336 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1337 (var->yres <= XGIbios_mode[search_idx].yres) &&
1338 (var->bits_per_pixel ==
1339 XGIbios_mode[search_idx].bpp)) {
1340 if (XGIfb_validate_mode(xgifb_info,
1349 var->xres = XGIbios_mode[search_idx].xres;
1350 var->yres = XGIbios_mode[search_idx].yres;
1351 pr_debug("Adapted to mode %dx%dx%d\n",
1352 var->xres, var->yres, var->bits_per_pixel);
1355 pr_err("Failed to find similar mode to %dx%dx%d\n",
1356 var->xres, var->yres, var->bits_per_pixel);
1361 /* Adapt RGB settings */
1362 XGIfb_bpp_to_var(xgifb_info, var);
1364 /* Sanity check for offsets */
1365 if (var->xoffset < 0)
1367 if (var->yoffset < 0)
1371 if (var->xres != var->xres_virtual)
1372 var->xres_virtual = var->xres;
1373 if (var->yres != var->yres_virtual)
1374 var->yres_virtual = var->yres;
1377 /* Truncate offsets to maximum if too high */
1378 if (var->xoffset > var->xres_virtual - var->xres)
1379 var->xoffset = var->xres_virtual - var->xres - 1;
1381 if (var->yoffset > var->yres_virtual - var->yres)
1382 var->yoffset = var->yres_virtual - var->yres - 1;
1384 /* Set everything else to 0 */
1385 var->red.msb_right =
1386 var->green.msb_right =
1387 var->blue.msb_right =
1388 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1393 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1394 struct fb_info *info)
1398 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1400 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1403 if (var->vmode & FB_VMODE_YWRAP) {
1404 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1408 if (var->xoffset + info->var.xres > info->var.xres_virtual
1409 || var->yoffset + info->var.yres
1410 > info->var.yres_virtual)
1413 err = XGIfb_pan_var(var, info);
1417 info->var.xoffset = var->xoffset;
1418 info->var.yoffset = var->yoffset;
1419 if (var->vmode & FB_VMODE_YWRAP)
1420 info->var.vmode |= FB_VMODE_YWRAP;
1422 info->var.vmode &= ~FB_VMODE_YWRAP;
1427 static int XGIfb_blank(int blank, struct fb_info *info)
1429 struct xgifb_video_info *xgifb_info = info->par;
1432 reg = xgifb_reg_get(XGICR, 0x17);
1439 xgifb_reg_set(XGICR, 0x17, reg);
1440 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1441 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1445 static struct fb_ops XGIfb_ops = {
1446 .owner = THIS_MODULE,
1447 .fb_open = XGIfb_open,
1448 .fb_release = XGIfb_release,
1449 .fb_check_var = XGIfb_check_var,
1450 .fb_set_par = XGIfb_set_par,
1451 .fb_setcolreg = XGIfb_setcolreg,
1452 .fb_pan_display = XGIfb_pan_display,
1453 .fb_blank = XGIfb_blank,
1454 .fb_fillrect = cfb_fillrect,
1455 .fb_copyarea = cfb_copyarea,
1456 .fb_imageblit = cfb_imageblit,
1459 /* ---------------- Chip generation dependent routines ---------------- */
1461 /* for XGI 315/550/650/740/330 */
1463 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1469 /* xorg driver sets 32MB * 1 channel */
1470 if (xgifb_info->chip == XG27)
1471 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1473 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1474 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1475 case XGI_DRAM_SIZE_1MB:
1476 xgifb_info->video_size = 0x100000;
1478 case XGI_DRAM_SIZE_2MB:
1479 xgifb_info->video_size = 0x200000;
1481 case XGI_DRAM_SIZE_4MB:
1482 xgifb_info->video_size = 0x400000;
1484 case XGI_DRAM_SIZE_8MB:
1485 xgifb_info->video_size = 0x800000;
1487 case XGI_DRAM_SIZE_16MB:
1488 xgifb_info->video_size = 0x1000000;
1490 case XGI_DRAM_SIZE_32MB:
1491 xgifb_info->video_size = 0x2000000;
1493 case XGI_DRAM_SIZE_64MB:
1494 xgifb_info->video_size = 0x4000000;
1496 case XGI_DRAM_SIZE_128MB:
1497 xgifb_info->video_size = 0x8000000;
1499 case XGI_DRAM_SIZE_256MB:
1500 xgifb_info->video_size = 0x10000000;
1506 tmp = (reg & 0x0c) >> 2;
1507 switch (xgifb_info->chip) {
1532 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1534 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1536 xgifb_info->video_size, ChannelNum);
1541 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1545 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1547 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1549 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1558 if (!xgifb_info->display2_force) {
1559 if (cr32 & SIS_VB_TV)
1560 xgifb_info->display2 = XGIFB_DISP_TV;
1561 else if (cr32 & SIS_VB_LCD)
1562 xgifb_info->display2 = XGIFB_DISP_LCD;
1563 else if (cr32 & SIS_VB_CRT2)
1564 xgifb_info->display2 = XGIFB_DISP_CRT;
1566 xgifb_info->display2 = XGIFB_DISP_NONE;
1569 if (XGIfb_tvplug != -1)
1570 /* Override with option */
1571 xgifb_info->TV_plug = XGIfb_tvplug;
1572 else if (cr32 & SIS_VB_HIVISION) {
1573 xgifb_info->TV_type = TVMODE_HIVISION;
1574 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1575 } else if (cr32 & SIS_VB_SVIDEO)
1576 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1577 else if (cr32 & SIS_VB_COMPOSITE)
1578 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1579 else if (cr32 & SIS_VB_SCART)
1580 xgifb_info->TV_plug = TVPLUG_SCART;
1582 if (xgifb_info->TV_type == 0) {
1583 temp = xgifb_reg_get(XGICR, 0x38);
1585 xgifb_info->TV_type = TVMODE_PAL;
1587 xgifb_info->TV_type = TVMODE_NTSC;
1590 /* Copy forceCRT1 option to CRT1off if option is given */
1591 if (XGIfb_forcecrt1 != -1) {
1592 if (XGIfb_forcecrt1)
1599 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1603 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1604 switch (vb_chipid) {
1606 xgifb_info->hasVB = HASVB_301;
1609 xgifb_info->hasVB = HASVB_302;
1612 xgifb_info->hasVB = HASVB_NONE;
1618 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1622 if (!XGIfb_has_VB(xgifb_info)) {
1623 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1624 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1625 case SIS_EXTERNAL_CHIP_LVDS:
1626 xgifb_info->hasVB = HASVB_LVDS;
1628 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1629 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1637 static int __init xgifb_optval(char *fullopt, int validx)
1641 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1642 pr_err("Invalid value for option: %s\n", fullopt);
1648 static int __init XGIfb_setup(char *options)
1652 if (!options || !*options)
1655 pr_info("Options: %s\n", options);
1657 while ((this_opt = strsep(&options, ",")) != NULL) {
1662 if (!strncmp(this_opt, "mode:", 5)) {
1663 mode = this_opt + 5;
1664 } else if (!strncmp(this_opt, "vesa:", 5)) {
1665 vesa = xgifb_optval(this_opt, 5);
1666 } else if (!strncmp(this_opt, "vrate:", 6)) {
1667 refresh_rate = xgifb_optval(this_opt, 6);
1668 } else if (!strncmp(this_opt, "rate:", 5)) {
1669 refresh_rate = xgifb_optval(this_opt, 5);
1670 } else if (!strncmp(this_opt, "crt1off", 7)) {
1672 } else if (!strncmp(this_opt, "filter:", 7)) {
1673 filter = xgifb_optval(this_opt, 7);
1674 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1675 XGIfb_search_crt2type(this_opt + 14);
1676 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1677 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1678 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1679 XGIfb_search_tvstd(this_opt + 7);
1680 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1681 XGIfb_search_tvstd(this_opt + 7);
1682 } else if (!strncmp(this_opt, "dstn", 4)) {
1684 /* DSTN overrules forcecrt2type */
1685 XGIfb_crt2type = XGIFB_DISP_LCD;
1686 } else if (!strncmp(this_opt, "noypan", 6)) {
1695 static int __devinit xgifb_probe(struct pci_dev *pdev,
1696 const struct pci_device_id *ent)
1701 struct fb_info *fb_info;
1702 struct xgifb_video_info *xgifb_info;
1703 struct xgi_hw_device_info *hw_info;
1705 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1709 xgifb_info = fb_info->par;
1710 hw_info = &xgifb_info->hw_info;
1711 xgifb_info->fb_info = fb_info;
1712 xgifb_info->chip_id = pdev->device;
1713 pci_read_config_byte(pdev,
1715 &xgifb_info->revision_id);
1716 hw_info->jChipRevision = xgifb_info->revision_id;
1718 xgifb_info->pcibus = pdev->bus->number;
1719 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1720 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1721 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1722 xgifb_info->subsysdevice = pdev->subsystem_device;
1724 xgifb_info->video_base = pci_resource_start(pdev, 0);
1725 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1726 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1727 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1728 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1729 (u64) pci_resource_start(pdev, 2),
1730 xgifb_info->vga_base);
1732 if (pci_enable_device(pdev)) {
1737 if (XGIfb_crt2type != -1) {
1738 xgifb_info->display2 = XGIfb_crt2type;
1739 xgifb_info->display2_force = true;
1742 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1744 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1745 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1747 if (reg1 != 0xa1) { /*I/O error */
1748 dev_err(&pdev->dev, "I/O error\n");
1753 switch (xgifb_info->chip_id) {
1754 case PCI_DEVICE_ID_XGI_20:
1755 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1756 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1757 if (CR48&GPIOG_READ)
1758 xgifb_info->chip = XG21;
1760 xgifb_info->chip = XG20;
1762 case PCI_DEVICE_ID_XGI_40:
1763 xgifb_info->chip = XG40;
1765 case PCI_DEVICE_ID_XGI_42:
1766 xgifb_info->chip = XG42;
1768 case PCI_DEVICE_ID_XGI_27:
1769 xgifb_info->chip = XG27;
1776 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1777 hw_info->jChipType = xgifb_info->chip;
1779 if (XGIfb_get_dram_size(xgifb_info)) {
1781 "Fatal error: Unable to determine RAM size.\n");
1786 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1788 IND_SIS_PCI_ADDRESS_SET,
1789 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1790 /* Enable 2D accelerator engine */
1791 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1793 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1795 if (!request_mem_region(xgifb_info->video_base,
1796 xgifb_info->video_size,
1798 dev_err(&pdev->dev, "Unable request memory size %x\n",
1799 xgifb_info->video_size);
1801 "Fatal error: Unable to reserve frame buffer memory. "
1802 "Is there another framebuffer driver active?\n");
1807 if (!request_mem_region(xgifb_info->mmio_base,
1808 xgifb_info->mmio_size,
1811 "Fatal error: Unable to reserve MMIO region\n");
1816 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
1817 ioremap(xgifb_info->video_base, xgifb_info->video_size);
1818 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1819 xgifb_info->mmio_size);
1821 dev_info(&pdev->dev,
1822 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1823 (u64) xgifb_info->video_base,
1824 xgifb_info->video_vbase,
1825 xgifb_info->video_size / 1024);
1827 dev_info(&pdev->dev,
1828 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1829 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1830 xgifb_info->mmio_size / 1024);
1832 pci_set_drvdata(pdev, xgifb_info);
1833 if (!XGIInitNew(pdev))
1834 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1836 xgifb_info->mtrr = (unsigned int) 0;
1838 xgifb_info->hasVB = HASVB_NONE;
1839 if ((xgifb_info->chip == XG20) ||
1840 (xgifb_info->chip == XG27)) {
1841 xgifb_info->hasVB = HASVB_NONE;
1842 } else if (xgifb_info->chip == XG21) {
1843 CR38 = xgifb_reg_get(XGICR, 0x38);
1844 if ((CR38&0xE0) == 0xC0)
1845 xgifb_info->display2 = XGIFB_DISP_LCD;
1846 else if ((CR38&0xE0) == 0x60)
1847 xgifb_info->hasVB = HASVB_CHRONTEL;
1849 xgifb_info->hasVB = HASVB_NONE;
1851 XGIfb_get_VB_type(xgifb_info);
1854 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1856 hw_info->ulExternalChip = 0;
1858 switch (xgifb_info->hasVB) {
1860 reg = xgifb_reg_get(XGIPART4, 0x01);
1862 hw_info->ujVBChipID = VB_CHIP_302LV;
1863 dev_info(&pdev->dev,
1864 "XGI302LV bridge detected (revision 0x%02x)\n",
1866 } else if (reg >= 0xD0) {
1867 hw_info->ujVBChipID = VB_CHIP_301LV;
1868 dev_info(&pdev->dev,
1869 "XGI301LV bridge detected (revision 0x%02x)\n",
1872 hw_info->ujVBChipID = VB_CHIP_301;
1873 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1877 reg = xgifb_reg_get(XGIPART4, 0x01);
1879 hw_info->ujVBChipID = VB_CHIP_302LV;
1880 dev_info(&pdev->dev,
1881 "XGI302LV bridge detected (revision 0x%02x)\n",
1883 } else if (reg >= 0xD0) {
1884 hw_info->ujVBChipID = VB_CHIP_301LV;
1885 dev_info(&pdev->dev,
1886 "XGI302LV bridge detected (revision 0x%02x)\n",
1888 } else if (reg >= 0xB0) {
1889 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1891 hw_info->ujVBChipID = VB_CHIP_302B;
1894 hw_info->ujVBChipID = VB_CHIP_302;
1895 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1899 hw_info->ulExternalChip = 0x1;
1900 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1902 case HASVB_TRUMPION:
1903 hw_info->ulExternalChip = 0x2;
1904 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1906 case HASVB_CHRONTEL:
1907 hw_info->ulExternalChip = 0x4;
1908 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1910 case HASVB_LVDS_CHRONTEL:
1911 hw_info->ulExternalChip = 0x5;
1912 dev_info(&pdev->dev,
1913 "LVDS transmitter and Chrontel TV encoder detected\n");
1916 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1920 if (xgifb_info->hasVB != HASVB_NONE)
1921 XGIfb_detect_VB(xgifb_info);
1922 else if (xgifb_info->chip != XG21)
1923 xgifb_info->display2 = XGIFB_DISP_NONE;
1925 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1927 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1929 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1933 xgifb_info->mode_idx = -1;
1936 XGIfb_search_mode(xgifb_info, mode);
1937 else if (vesa != -1)
1938 XGIfb_search_vesamode(xgifb_info, vesa);
1940 if (xgifb_info->mode_idx >= 0)
1941 xgifb_info->mode_idx =
1942 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1944 if (xgifb_info->mode_idx < 0) {
1945 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1946 xgifb_info->chip == XG21)
1947 xgifb_info->mode_idx =
1948 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1950 xgifb_info->mode_idx = DEFAULT_MODE;
1953 if (xgifb_info->mode_idx < 0) {
1954 dev_err(&pdev->dev, "No supported video mode found\n");
1958 /* set default refresh rate */
1959 xgifb_info->refresh_rate = refresh_rate;
1960 if (xgifb_info->refresh_rate == 0)
1961 xgifb_info->refresh_rate = 60;
1962 if (XGIfb_search_refresh_rate(xgifb_info,
1963 xgifb_info->refresh_rate) == 0) {
1964 xgifb_info->rate_idx = 1;
1965 xgifb_info->refresh_rate = 60;
1968 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1969 xgifb_info->video_vwidth =
1970 xgifb_info->video_width =
1971 XGIbios_mode[xgifb_info->mode_idx].xres;
1972 xgifb_info->video_vheight =
1973 xgifb_info->video_height =
1974 XGIbios_mode[xgifb_info->mode_idx].yres;
1975 xgifb_info->org_x = xgifb_info->org_y = 0;
1976 xgifb_info->video_linelength =
1977 xgifb_info->video_width *
1978 (xgifb_info->video_bpp >> 3);
1979 switch (xgifb_info->video_bpp) {
1981 xgifb_info->DstColor = 0x0000;
1982 xgifb_info->XGI310_AccelDepth = 0x00000000;
1983 xgifb_info->video_cmap_len = 256;
1986 xgifb_info->DstColor = 0x8000;
1987 xgifb_info->XGI310_AccelDepth = 0x00010000;
1988 xgifb_info->video_cmap_len = 16;
1991 xgifb_info->DstColor = 0xC000;
1992 xgifb_info->XGI310_AccelDepth = 0x00020000;
1993 xgifb_info->video_cmap_len = 16;
1996 xgifb_info->video_cmap_len = 16;
1997 pr_info("Unsupported depth %d\n",
1998 xgifb_info->video_bpp);
2002 pr_info("Default mode is %dx%dx%d (%dHz)\n",
2003 xgifb_info->video_width,
2004 xgifb_info->video_height,
2005 xgifb_info->video_bpp,
2006 xgifb_info->refresh_rate);
2008 fb_info->var.red.length = 8;
2009 fb_info->var.green.length = 8;
2010 fb_info->var.blue.length = 8;
2011 fb_info->var.activate = FB_ACTIVATE_NOW;
2012 fb_info->var.height = -1;
2013 fb_info->var.width = -1;
2014 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
2015 fb_info->var.xres = xgifb_info->video_width;
2016 fb_info->var.xres_virtual = xgifb_info->video_width;
2017 fb_info->var.yres = xgifb_info->video_height;
2018 fb_info->var.yres_virtual = xgifb_info->video_height;
2019 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
2021 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
2023 fb_info->var.pixclock = (u32) (1000000000 /
2024 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
2026 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2027 xgifb_info->rate_idx));
2029 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
2030 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2031 xgifb_info->rate_idx,
2032 &fb_info->var.left_margin,
2033 &fb_info->var.right_margin,
2034 &fb_info->var.upper_margin,
2035 &fb_info->var.lower_margin,
2036 &fb_info->var.hsync_len,
2037 &fb_info->var.vsync_len,
2039 &fb_info->var.vmode)) {
2041 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2042 FB_VMODE_INTERLACED) {
2043 fb_info->var.yres <<= 1;
2044 fb_info->var.yres_virtual <<= 1;
2045 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2047 fb_info->var.pixclock >>= 1;
2048 fb_info->var.yres >>= 1;
2049 fb_info->var.yres_virtual >>= 1;
2054 fb_info->flags = FBINFO_FLAG_DEFAULT;
2055 fb_info->screen_base = xgifb_info->video_vbase;
2056 fb_info->fbops = &XGIfb_ops;
2057 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2058 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2060 fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2063 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2064 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2065 if (xgifb_info->mtrr >= 0)
2066 dev_info(&pdev->dev, "Added MTRR\n");
2069 if (register_framebuffer(fb_info) < 0) {
2080 if (xgifb_info->mtrr >= 0)
2081 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2082 xgifb_info->video_size);
2083 #endif /* CONFIG_MTRR */
2085 iounmap(xgifb_info->mmio_vbase);
2086 iounmap(xgifb_info->video_vbase);
2087 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2089 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2091 pci_disable_device(pdev);
2093 framebuffer_release(fb_info);
2097 /*****************************************************/
2098 /* PCI DEVICE HANDLING */
2099 /*****************************************************/
2101 static void __devexit xgifb_remove(struct pci_dev *pdev)
2103 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2104 struct fb_info *fb_info = xgifb_info->fb_info;
2106 unregister_framebuffer(fb_info);
2108 if (xgifb_info->mtrr >= 0)
2109 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2110 xgifb_info->video_size);
2111 #endif /* CONFIG_MTRR */
2112 iounmap(xgifb_info->mmio_vbase);
2113 iounmap(xgifb_info->video_vbase);
2114 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2115 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2116 pci_disable_device(pdev);
2117 framebuffer_release(fb_info);
2118 pci_set_drvdata(pdev, NULL);
2121 static struct pci_driver xgifb_driver = {
2123 .id_table = xgifb_pci_table,
2124 .probe = xgifb_probe,
2125 .remove = __devexit_p(xgifb_remove)
2130 /*****************************************************/
2132 /*****************************************************/
2134 module_param(mode, charp, 0);
2135 MODULE_PARM_DESC(mode,
2136 "Selects the desired default display mode in the format XxYxDepth "
2137 "(eg. 1024x768x16).");
2139 module_param(forcecrt2type, charp, 0);
2140 MODULE_PARM_DESC(forcecrt2type,
2141 "Force the second display output type. Possible values are NONE, "
2142 "LCD, TV, VGA, SVIDEO or COMPOSITE.");
2144 module_param(vesa, int, 0);
2145 MODULE_PARM_DESC(vesa,
2146 "Selects the desired default display mode by VESA mode number "
2149 module_param(filter, int, 0);
2150 MODULE_PARM_DESC(filter,
2151 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). "
2152 "Possible values 0-7. Default: [no filter]).");
2154 static int __init xgifb_init(void)
2156 char *option = NULL;
2158 if (forcecrt2type != NULL)
2159 XGIfb_search_crt2type(forcecrt2type);
2160 if (fb_get_options("xgifb", &option))
2162 XGIfb_setup(option);
2164 return pci_register_driver(&xgifb_driver);
2167 static void __exit xgifb_remove_module(void)
2169 pci_unregister_driver(&xgifb_driver);
2170 pr_debug("Module unloaded\n");
2173 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2174 MODULE_LICENSE("GPL");
2175 MODULE_AUTHOR("XGITECH , Others");
2176 module_init(xgifb_init);
2177 module_exit(xgifb_remove_module);