2 * XG20, XG21, XG40, XG42 frame buffer device
3 * for Linux kernels 2.5.x, 2.6.x
4 * Base on TW's sis fbdev code.
7 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 #include <linux/sizes.h>
10 #include <linux/module.h>
19 #include "vb_setmode.h"
21 #define Index_CR_GPIO_Reg1 0x48
22 #define Index_CR_GPIO_Reg3 0x4a
24 #define GPIOG_EN (1<<6)
25 #define GPIOG_READ (1<<1)
27 static char *forcecrt2type
;
30 static unsigned int refresh_rate
;
32 /* -------------------- Macro definitions ---------------------------- */
35 static void dumpVGAReg(void)
39 xgifb_reg_set(XGISR
, 0x05, 0x86);
41 for (i
= 0; i
< 0x4f; i
++) {
42 reg
= xgifb_reg_get(XGISR
, i
);
43 pr_debug("o 3c4 %x\n", i
);
44 pr_debug("i 3c5 => %x\n", reg
);
47 for (i
= 0; i
< 0xF0; i
++) {
48 reg
= xgifb_reg_get(XGICR
, i
);
49 pr_debug("o 3d4 %x\n", i
);
50 pr_debug("i 3d5 => %x\n", reg
);
54 static inline void dumpVGAReg(void)
59 /* --------------- Hardware Access Routines -------------------------- */
61 static int XGIfb_mode_rate_to_dclock(struct vb_device_info
*XGI_Pr
,
62 struct xgi_hw_device_info
*HwDeviceExtension
,
65 unsigned short ModeNo
= modeno
;
66 unsigned short ModeIdIndex
= 0, ClockIndex
= 0;
67 unsigned short RefreshRateTableIndex
= 0;
70 InitTo330Pointer(HwDeviceExtension
->jChipType
, XGI_Pr
);
72 XGI_SearchModeID(ModeNo
, &ModeIdIndex
);
74 RefreshRateTableIndex
= XGI_GetRatePtrCRT2(HwDeviceExtension
, ModeNo
,
77 ClockIndex
= XGI330_RefIndex
[RefreshRateTableIndex
].Ext_CRTVCLK
;
79 Clock
= XGI_VCLKData
[ClockIndex
].CLOCK
* 1000;
84 static int XGIfb_mode_rate_to_ddata(struct vb_device_info
*XGI_Pr
,
85 struct xgi_hw_device_info
*HwDeviceExtension
,
87 u32
*left_margin
, u32
*right_margin
, u32
*upper_margin
,
88 u32
*lower_margin
, u32
*hsync_len
, u32
*vsync_len
, u32
*sync
,
91 unsigned short ModeNo
= modeno
;
92 unsigned short ModeIdIndex
, index
= 0;
93 unsigned short RefreshRateTableIndex
= 0;
95 unsigned short VRE
, VBE
, VRS
, VDE
;
96 unsigned short HRE
, HBE
, HRS
, HDE
;
97 unsigned char sr_data
, cr_data
, cr_data2
;
98 int B
, C
, D
, F
, temp
, j
;
100 InitTo330Pointer(HwDeviceExtension
->jChipType
, XGI_Pr
);
101 if (!XGI_SearchModeID(ModeNo
, &ModeIdIndex
))
103 RefreshRateTableIndex
= XGI_GetRatePtrCRT2(HwDeviceExtension
, ModeNo
,
104 ModeIdIndex
, XGI_Pr
);
105 index
= XGI330_RefIndex
[RefreshRateTableIndex
].Ext_CRT1CRTC
;
107 sr_data
= XGI_CRT1Table
[index
].CR
[5];
109 HDE
= (XGI330_RefIndex
[RefreshRateTableIndex
].XRes
>> 3);
111 cr_data
= XGI_CRT1Table
[index
].CR
[3];
113 /* Horizontal retrace (=sync) start */
114 HRS
= (cr_data
& 0xff) | ((unsigned short) (sr_data
& 0xC0) << 2);
117 sr_data
= XGI_CRT1Table
[index
].CR
[6];
119 cr_data
= XGI_CRT1Table
[index
].CR
[2];
121 cr_data2
= XGI_CRT1Table
[index
].CR
[4];
123 /* Horizontal blank end */
124 HBE
= (cr_data
& 0x1f) | ((unsigned short) (cr_data2
& 0x80) >> 2)
125 | ((unsigned short) (sr_data
& 0x03) << 6);
127 /* Horizontal retrace (=sync) end */
128 HRE
= (cr_data2
& 0x1f) | ((sr_data
& 0x04) << 3);
130 temp
= HBE
- ((HDE
- 1) & 255);
131 B
= (temp
> 0) ? temp
: (temp
+ 256);
133 temp
= HRE
- ((HDE
+ F
+ 3) & 63);
134 C
= (temp
> 0) ? temp
: (temp
+ 64);
138 *left_margin
= D
* 8;
139 *right_margin
= F
* 8;
142 sr_data
= XGI_CRT1Table
[index
].CR
[14];
144 cr_data2
= XGI_CRT1Table
[index
].CR
[9];
146 VDE
= XGI330_RefIndex
[RefreshRateTableIndex
].YRes
;
148 cr_data
= XGI_CRT1Table
[index
].CR
[10];
150 /* Vertical retrace (=sync) start */
151 VRS
= (cr_data
& 0xff) | ((unsigned short) (cr_data2
& 0x04) << 6)
152 | ((unsigned short) (cr_data2
& 0x80) << 2)
153 | ((unsigned short) (sr_data
& 0x08) << 7);
156 cr_data
= XGI_CRT1Table
[index
].CR
[13];
158 /* Vertical blank end */
159 VBE
= (cr_data
& 0xff) | ((unsigned short) (sr_data
& 0x10) << 4);
160 temp
= VBE
- ((VDE
- 1) & 511);
161 B
= (temp
> 0) ? temp
: (temp
+ 512);
163 cr_data
= XGI_CRT1Table
[index
].CR
[11];
165 /* Vertical retrace (=sync) end */
166 VRE
= (cr_data
& 0x0f) | ((sr_data
& 0x20) >> 1);
167 temp
= VRE
- ((VDE
+ F
- 1) & 31);
168 C
= (temp
> 0) ? temp
: (temp
+ 32);
176 if (XGI330_RefIndex
[RefreshRateTableIndex
].Ext_InfoFlag
& 0x8000)
177 *sync
&= ~FB_SYNC_VERT_HIGH_ACT
;
179 *sync
|= FB_SYNC_VERT_HIGH_ACT
;
181 if (XGI330_RefIndex
[RefreshRateTableIndex
].Ext_InfoFlag
& 0x4000)
182 *sync
&= ~FB_SYNC_HOR_HIGH_ACT
;
184 *sync
|= FB_SYNC_HOR_HIGH_ACT
;
186 *vmode
= FB_VMODE_NONINTERLACED
;
187 if (XGI330_RefIndex
[RefreshRateTableIndex
].Ext_InfoFlag
& 0x0080)
188 *vmode
= FB_VMODE_INTERLACED
;
191 while (XGI330_EModeIDTable
[j
].Ext_ModeID
!= 0xff) {
192 if (XGI330_EModeIDTable
[j
].Ext_ModeID
==
193 XGI330_RefIndex
[RefreshRateTableIndex
].ModeID
) {
194 if (XGI330_EModeIDTable
[j
].Ext_ModeFlag
&
196 *vmode
= FB_VMODE_DOUBLE
;
207 void XGIRegInit(struct vb_device_info
*XGI_Pr
, unsigned long BaseAddr
)
209 XGI_Pr
->P3c4
= BaseAddr
+ 0x14;
210 XGI_Pr
->P3d4
= BaseAddr
+ 0x24;
211 XGI_Pr
->P3c0
= BaseAddr
+ 0x10;
212 XGI_Pr
->P3ce
= BaseAddr
+ 0x1e;
213 XGI_Pr
->P3c2
= BaseAddr
+ 0x12;
214 XGI_Pr
->P3cc
= BaseAddr
+ 0x1c;
215 XGI_Pr
->P3ca
= BaseAddr
+ 0x1a;
216 XGI_Pr
->P3c6
= BaseAddr
+ 0x16;
217 XGI_Pr
->P3c7
= BaseAddr
+ 0x17;
218 XGI_Pr
->P3c8
= BaseAddr
+ 0x18;
219 XGI_Pr
->P3c9
= BaseAddr
+ 0x19;
220 XGI_Pr
->P3da
= BaseAddr
+ 0x2A;
221 XGI_Pr
->Part0Port
= BaseAddr
+ XGI_CRT2_PORT_00
;
222 /* Digital video interface registers (LCD) */
223 XGI_Pr
->Part1Port
= BaseAddr
+ SIS_CRT2_PORT_04
;
224 /* 301 TV Encoder registers */
225 XGI_Pr
->Part2Port
= BaseAddr
+ SIS_CRT2_PORT_10
;
226 /* 301 Macrovision registers */
227 XGI_Pr
->Part3Port
= BaseAddr
+ SIS_CRT2_PORT_12
;
228 /* 301 VGA2 (and LCD) registers */
229 XGI_Pr
->Part4Port
= BaseAddr
+ SIS_CRT2_PORT_14
;
230 /* 301 palette address port registers */
231 XGI_Pr
->Part5Port
= BaseAddr
+ SIS_CRT2_PORT_14
+ 2;
235 /* ------------------ Internal helper routines ----------------- */
237 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info
*xgifb_info
)
241 while ((XGIbios_mode
[i
].mode_no
!= 0)
242 && (XGIbios_mode
[i
].xres
<= xgifb_info
->lvds_data
.LVDSHDE
)) {
243 if ((XGIbios_mode
[i
].xres
== xgifb_info
->lvds_data
.LVDSHDE
)
244 && (XGIbios_mode
[i
].yres
== xgifb_info
->lvds_data
.LVDSVDE
)
245 && (XGIbios_mode
[i
].bpp
== 8)) {
254 static void XGIfb_search_mode(struct xgifb_video_info
*xgifb_info
,
262 if (sscanf(name
, "%ux%ux%u", &xres
, &yres
, &bpp
) != 3)
266 bpp
= 32; /* That's for people who mix up color and fb depth. */
268 for (i
= 0; XGIbios_mode
[i
].mode_no
!= 0; i
++)
269 if (XGIbios_mode
[i
].xres
== xres
&&
270 XGIbios_mode
[i
].yres
== yres
&&
271 XGIbios_mode
[i
].bpp
== bpp
) {
272 xgifb_info
->mode_idx
= i
;
276 pr_info("Invalid mode '%s'\n", name
);
279 static void XGIfb_search_vesamode(struct xgifb_video_info
*xgifb_info
,
280 unsigned int vesamode
)
287 vesamode
&= 0x1dff; /* Clean VESA mode number from other flags */
289 while (XGIbios_mode
[i
].mode_no
!= 0) {
290 if ((XGIbios_mode
[i
].vesa_mode_no_1
== vesamode
) ||
291 (XGIbios_mode
[i
].vesa_mode_no_2
== vesamode
)) {
292 xgifb_info
->mode_idx
= i
;
299 pr_info("Invalid VESA mode 0x%x'\n", vesamode
);
302 static int XGIfb_validate_mode(struct xgifb_video_info
*xgifb_info
, int myindex
)
305 struct xgi_hw_device_info
*hw_info
= &xgifb_info
->hw_info
;
306 unsigned long required_mem
;
308 if (xgifb_info
->chip
== XG21
) {
309 if (xgifb_info
->display2
== XGIFB_DISP_LCD
) {
310 xres
= xgifb_info
->lvds_data
.LVDSHDE
;
311 yres
= xgifb_info
->lvds_data
.LVDSVDE
;
312 if (XGIbios_mode
[myindex
].xres
> xres
)
314 if (XGIbios_mode
[myindex
].yres
> yres
)
316 if ((XGIbios_mode
[myindex
].xres
< xres
) &&
317 (XGIbios_mode
[myindex
].yres
< yres
)) {
318 if (XGIbios_mode
[myindex
].bpp
> 8)
327 /* FIXME: for now, all is valid on XG27 */
328 if (xgifb_info
->chip
== XG27
)
331 if (!(XGIbios_mode
[myindex
].chipset
& MD_XGI315
))
334 switch (xgifb_info
->display2
) {
336 switch (hw_info
->ulCRT2LCDType
) {
382 if (XGIbios_mode
[myindex
].xres
> xres
)
384 if (XGIbios_mode
[myindex
].yres
> yres
)
386 if ((hw_info
->ulExternalChip
== 0x01) || /* LVDS */
387 (hw_info
->ulExternalChip
== 0x05)) { /* LVDS+Chrontel */
388 switch (XGIbios_mode
[myindex
].xres
) {
390 if (XGIbios_mode
[myindex
].yres
!= 512)
392 if (hw_info
->ulCRT2LCDType
== LCD_1024x600
)
396 if ((XGIbios_mode
[myindex
].yres
!= 400)
397 && (XGIbios_mode
[myindex
].yres
402 if (XGIbios_mode
[myindex
].yres
!= 600)
406 if ((XGIbios_mode
[myindex
].yres
!= 600) &&
407 (XGIbios_mode
[myindex
].yres
!= 768))
409 if ((XGIbios_mode
[myindex
].yres
== 600) &&
410 (hw_info
->ulCRT2LCDType
!= LCD_1024x600
))
414 if ((XGIbios_mode
[myindex
].yres
) != 768)
416 if (hw_info
->ulCRT2LCDType
!= LCD_1152x768
)
420 if ((XGIbios_mode
[myindex
].yres
!= 768) &&
421 (XGIbios_mode
[myindex
].yres
!= 1024))
423 if ((XGIbios_mode
[myindex
].yres
== 768) &&
424 (hw_info
->ulCRT2LCDType
!= LCD_1280x768
))
428 if (XGIbios_mode
[myindex
].yres
!= 1050)
432 if (XGIbios_mode
[myindex
].yres
!= 1200)
439 switch (XGIbios_mode
[myindex
].xres
) {
441 if (XGIbios_mode
[myindex
].yres
!= 512)
445 if ((XGIbios_mode
[myindex
].yres
!= 400) &&
446 (XGIbios_mode
[myindex
].yres
!= 480))
450 if (XGIbios_mode
[myindex
].yres
!= 600)
454 if (XGIbios_mode
[myindex
].yres
!= 768)
458 if ((XGIbios_mode
[myindex
].yres
!= 960) &&
459 (XGIbios_mode
[myindex
].yres
!= 1024))
461 if (XGIbios_mode
[myindex
].yres
== 960) {
462 if (hw_info
->ulCRT2LCDType
==
468 if (XGIbios_mode
[myindex
].yres
!= 1050)
472 if (XGIbios_mode
[myindex
].yres
!= 1200)
481 switch (XGIbios_mode
[myindex
].xres
) {
487 if (xgifb_info
->TV_type
== TVMODE_NTSC
) {
488 if (XGIbios_mode
[myindex
].yres
!= 480)
490 } else if (xgifb_info
->TV_type
== TVMODE_PAL
) {
491 if (XGIbios_mode
[myindex
].yres
!= 576)
494 /* LVDS/CHRONTEL does not support 720 */
495 if (xgifb_info
->hasVB
== HASVB_LVDS_CHRONTEL
||
496 xgifb_info
->hasVB
== HASVB_CHRONTEL
) {
501 if (xgifb_info
->TV_type
== TVMODE_NTSC
) {
502 if (XGIbios_mode
[myindex
].bpp
== 32)
511 if (XGIbios_mode
[myindex
].xres
> 1280)
514 case XGIFB_DISP_NONE
:
519 required_mem
= XGIbios_mode
[myindex
].xres
* XGIbios_mode
[myindex
].yres
*
520 XGIbios_mode
[myindex
].bpp
/ 8;
521 if (required_mem
> xgifb_info
->video_size
)
527 static void XGIfb_search_crt2type(const char *name
)
534 while (XGI_crt2type
[i
].type_no
!= -1) {
535 if (!strcmp(name
, XGI_crt2type
[i
].name
)) {
536 XGIfb_crt2type
= XGI_crt2type
[i
].type_no
;
537 XGIfb_tvplug
= XGI_crt2type
[i
].tvplug_no
;
542 if (XGIfb_crt2type
< 0)
543 pr_info("Invalid CRT2 type: %s\n", name
);
546 static u8
XGIfb_search_refresh_rate(struct xgifb_video_info
*xgifb_info
,
552 xres
= XGIbios_mode
[xgifb_info
->mode_idx
].xres
;
553 yres
= XGIbios_mode
[xgifb_info
->mode_idx
].yres
;
555 xgifb_info
->rate_idx
= 0;
556 while ((XGIfb_vrate
[i
].idx
!= 0) && (XGIfb_vrate
[i
].xres
<= xres
)) {
557 if ((XGIfb_vrate
[i
].xres
== xres
) &&
558 (XGIfb_vrate
[i
].yres
== yres
)) {
559 if (XGIfb_vrate
[i
].refresh
== rate
) {
560 xgifb_info
->rate_idx
= XGIfb_vrate
[i
].idx
;
562 } else if (XGIfb_vrate
[i
].refresh
> rate
) {
563 if ((XGIfb_vrate
[i
].refresh
- rate
) <= 3) {
564 pr_debug("Adjusting rate from %d up to %d\n",
565 rate
, XGIfb_vrate
[i
].refresh
);
566 xgifb_info
->rate_idx
=
568 xgifb_info
->refresh_rate
=
569 XGIfb_vrate
[i
].refresh
;
570 } else if (((rate
- XGIfb_vrate
[i
- 1].refresh
)
571 <= 2) && (XGIfb_vrate
[i
].idx
573 pr_debug("Adjusting rate from %d down to %d\n",
575 XGIfb_vrate
[i
-1].refresh
);
576 xgifb_info
->rate_idx
=
577 XGIfb_vrate
[i
- 1].idx
;
578 xgifb_info
->refresh_rate
=
579 XGIfb_vrate
[i
- 1].refresh
;
582 } else if ((rate
- XGIfb_vrate
[i
].refresh
) <= 2) {
583 pr_debug("Adjusting rate from %d down to %d\n",
584 rate
, XGIfb_vrate
[i
].refresh
);
585 xgifb_info
->rate_idx
= XGIfb_vrate
[i
].idx
;
591 if (xgifb_info
->rate_idx
> 0)
592 return xgifb_info
->rate_idx
;
593 pr_info("Unsupported rate %d for %dx%d\n",
598 static void XGIfb_search_tvstd(const char *name
)
605 while (XGI_tvtype
[i
].type_no
!= -1) {
606 if (!strcmp(name
, XGI_tvtype
[i
].name
)) {
607 XGIfb_tvmode
= XGI_tvtype
[i
].type_no
;
614 /* ----------- FBDev related routines for all series ----------- */
616 static void XGIfb_bpp_to_var(struct xgifb_video_info
*xgifb_info
,
617 struct fb_var_screeninfo
*var
)
619 switch (var
->bits_per_pixel
) {
621 var
->red
.offset
= var
->green
.offset
= var
->blue
.offset
= 0;
622 var
->red
.length
= var
->green
.length
= var
->blue
.length
= 6;
623 xgifb_info
->video_cmap_len
= 256;
626 var
->red
.offset
= 11;
628 var
->green
.offset
= 5;
629 var
->green
.length
= 6;
630 var
->blue
.offset
= 0;
631 var
->blue
.length
= 5;
632 var
->transp
.offset
= 0;
633 var
->transp
.length
= 0;
634 xgifb_info
->video_cmap_len
= 16;
637 var
->red
.offset
= 16;
639 var
->green
.offset
= 8;
640 var
->green
.length
= 8;
641 var
->blue
.offset
= 0;
642 var
->blue
.length
= 8;
643 var
->transp
.offset
= 24;
644 var
->transp
.length
= 8;
645 xgifb_info
->video_cmap_len
= 16;
650 /* --------------------- SetMode routines ------------------------- */
652 static void XGIfb_pre_setmode(struct xgifb_video_info
*xgifb_info
)
654 u8 cr30
= 0, cr31
= 0;
656 cr31
= xgifb_reg_get(XGICR
, 0x31);
659 switch (xgifb_info
->display2
) {
661 cr30
= (SIS_VB_OUTPUT_CRT2
| SIS_SIMULTANEOUS_VIEW_ENABLE
);
662 cr31
|= SIS_DRIVER_MODE
;
665 cr30
= (SIS_VB_OUTPUT_LCD
| SIS_SIMULTANEOUS_VIEW_ENABLE
);
666 cr31
|= SIS_DRIVER_MODE
;
669 if (xgifb_info
->TV_type
== TVMODE_HIVISION
)
670 cr30
= (SIS_VB_OUTPUT_HIVISION
671 | SIS_SIMULTANEOUS_VIEW_ENABLE
);
672 else if (xgifb_info
->TV_plug
== TVPLUG_SVIDEO
)
673 cr30
= (SIS_VB_OUTPUT_SVIDEO
674 | SIS_SIMULTANEOUS_VIEW_ENABLE
);
675 else if (xgifb_info
->TV_plug
== TVPLUG_COMPOSITE
)
676 cr30
= (SIS_VB_OUTPUT_COMPOSITE
677 | SIS_SIMULTANEOUS_VIEW_ENABLE
);
678 else if (xgifb_info
->TV_plug
== TVPLUG_SCART
)
679 cr30
= (SIS_VB_OUTPUT_SCART
680 | SIS_SIMULTANEOUS_VIEW_ENABLE
);
681 cr31
|= SIS_DRIVER_MODE
;
683 if (XGIfb_tvmode
== 1 || xgifb_info
->TV_type
== TVMODE_PAL
)
688 default: /* disable CRT2 */
690 cr31
|= (SIS_DRIVER_MODE
| SIS_VB_OUTPUT_DISABLE
);
693 xgifb_reg_set(XGICR
, IND_XGI_SCRATCH_REG_CR30
, cr30
);
694 xgifb_reg_set(XGICR
, IND_XGI_SCRATCH_REG_CR31
, cr31
);
695 xgifb_reg_set(XGICR
, IND_XGI_SCRATCH_REG_CR33
,
696 (xgifb_info
->rate_idx
& 0x0F));
699 static void XGIfb_post_setmode(struct xgifb_video_info
*xgifb_info
)
702 unsigned char doit
= 1;
704 if (xgifb_info
->video_bpp
== 8) {
706 * We can't switch off CRT1 on LVDS/Chrontel
709 if ((xgifb_info
->hasVB
== HASVB_LVDS
) ||
710 (xgifb_info
->hasVB
== HASVB_LVDS_CHRONTEL
)) {
714 * We can't switch off CRT1 on 301B-DH
715 * in 8bpp Modes if using LCD
717 if (xgifb_info
->display2
== XGIFB_DISP_LCD
)
721 /* We can't switch off CRT1 if bridge is in slave mode */
722 if (xgifb_info
->hasVB
!= HASVB_NONE
) {
723 reg
= xgifb_reg_get(XGIPART1
, 0x00);
725 if ((reg
& 0x50) == 0x10)
732 reg
= xgifb_reg_get(XGICR
, 0x17);
733 if ((XGIfb_crt1off
) && (doit
))
737 xgifb_reg_set(XGICR
, 0x17, reg
);
739 xgifb_reg_and(XGISR
, IND_SIS_RAMDAC_CONTROL
, ~0x04);
741 if (xgifb_info
->display2
== XGIFB_DISP_TV
&&
742 xgifb_info
->hasVB
== HASVB_301
) {
744 reg
= xgifb_reg_get(XGIPART4
, 0x01);
746 if (reg
< 0xB0) { /* Set filter for XGI301 */
749 switch (xgifb_info
->video_width
) {
751 filter_tb
= (xgifb_info
->TV_type
==
752 TVMODE_NTSC
) ? 4 : 12;
755 filter_tb
= (xgifb_info
->TV_type
==
756 TVMODE_NTSC
) ? 5 : 13;
759 filter_tb
= (xgifb_info
->TV_type
==
760 TVMODE_NTSC
) ? 6 : 14;
763 filter_tb
= (xgifb_info
->TV_type
==
764 TVMODE_NTSC
) ? 7 : 15;
771 xgifb_reg_or(XGIPART1
,
772 SIS_CRT2_WENABLE_315
,
775 if (xgifb_info
->TV_type
== TVMODE_NTSC
) {
777 xgifb_reg_and(XGIPART2
, 0x3a, 0x1f);
779 if (xgifb_info
->TV_plug
== TVPLUG_SVIDEO
) {
781 xgifb_reg_and(XGIPART2
, 0x30, 0xdf);
783 } else if (xgifb_info
->TV_plug
784 == TVPLUG_COMPOSITE
) {
786 xgifb_reg_or(XGIPART2
, 0x30, 0x20);
788 switch (xgifb_info
->video_width
) {
790 xgifb_reg_set(XGIPART2
,
793 xgifb_reg_set(XGIPART2
,
796 xgifb_reg_set(XGIPART2
,
799 xgifb_reg_set(XGIPART2
,
804 xgifb_reg_set(XGIPART2
,
807 xgifb_reg_set(XGIPART2
,
810 xgifb_reg_set(XGIPART2
,
813 xgifb_reg_set(XGIPART2
,
818 xgifb_reg_set(XGIPART2
,
821 xgifb_reg_set(XGIPART2
,
824 xgifb_reg_set(XGIPART2
,
827 xgifb_reg_set(XGIPART2
,
834 } else if (xgifb_info
->TV_type
== TVMODE_PAL
) {
836 xgifb_reg_and(XGIPART2
, 0x3A, 0x1F);
838 if (xgifb_info
->TV_plug
== TVPLUG_SVIDEO
) {
840 xgifb_reg_and(XGIPART2
, 0x30, 0xDF);
842 } else if (xgifb_info
->TV_plug
843 == TVPLUG_COMPOSITE
) {
845 xgifb_reg_or(XGIPART2
, 0x30, 0x20);
847 switch (xgifb_info
->video_width
) {
849 xgifb_reg_set(XGIPART2
,
852 xgifb_reg_set(XGIPART2
,
855 xgifb_reg_set(XGIPART2
,
858 xgifb_reg_set(XGIPART2
,
863 xgifb_reg_set(XGIPART2
,
866 xgifb_reg_set(XGIPART2
,
869 xgifb_reg_set(XGIPART2
,
872 xgifb_reg_set(XGIPART2
,
877 xgifb_reg_set(XGIPART2
,
880 xgifb_reg_set(XGIPART2
,
883 xgifb_reg_set(XGIPART2
,
886 xgifb_reg_set(XGIPART2
,
894 if ((filter
>= 0) && (filter
<= 7)) {
895 pr_debug("FilterTable[%d]-%d: %*ph\n",
897 4, XGI_TV_filter
[filter_tb
].
902 (XGI_TV_filter
[filter_tb
].
907 (XGI_TV_filter
[filter_tb
].
912 (XGI_TV_filter
[filter_tb
].
917 (XGI_TV_filter
[filter_tb
].
924 static int XGIfb_do_set_var(struct fb_var_screeninfo
*var
, int isactive
,
925 struct fb_info
*info
)
927 struct xgifb_video_info
*xgifb_info
= info
->par
;
928 struct xgi_hw_device_info
*hw_info
= &xgifb_info
->hw_info
;
929 unsigned int htotal
= var
->left_margin
+ var
->xres
+ var
->right_margin
931 unsigned int vtotal
= var
->upper_margin
+ var
->yres
+ var
->lower_margin
933 #if defined(__powerpc__)
936 unsigned int drate
= 0, hrate
= 0;
940 info
->var
.xres_virtual
= var
->xres_virtual
;
941 info
->var
.yres_virtual
= var
->yres_virtual
;
942 info
->var
.bits_per_pixel
= var
->bits_per_pixel
;
944 if ((var
->vmode
& FB_VMODE_MASK
) == FB_VMODE_NONINTERLACED
)
946 else if ((var
->vmode
& FB_VMODE_MASK
) == FB_VMODE_DOUBLE
)
949 if (!htotal
|| !vtotal
) {
950 pr_debug("Invalid 'var' information\n");
952 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
953 var
->pixclock
, htotal
, vtotal
);
955 if (var
->pixclock
&& htotal
&& vtotal
) {
956 drate
= 1000000000 / var
->pixclock
;
957 hrate
= (drate
* 1000) / htotal
;
958 xgifb_info
->refresh_rate
= (unsigned int) (hrate
* 2
961 xgifb_info
->refresh_rate
= 60;
964 pr_debug("Change mode to %dx%dx%d-%dHz\n",
968 xgifb_info
->refresh_rate
);
970 old_mode
= xgifb_info
->mode_idx
;
971 xgifb_info
->mode_idx
= 0;
973 while ((XGIbios_mode
[xgifb_info
->mode_idx
].mode_no
!= 0) &&
974 (XGIbios_mode
[xgifb_info
->mode_idx
].xres
<= var
->xres
)) {
975 if ((XGIbios_mode
[xgifb_info
->mode_idx
].xres
== var
->xres
) &&
976 (XGIbios_mode
[xgifb_info
->mode_idx
].yres
== var
->yres
) &&
977 (XGIbios_mode
[xgifb_info
->mode_idx
].bpp
978 == var
->bits_per_pixel
)) {
982 xgifb_info
->mode_idx
++;
986 xgifb_info
->mode_idx
= XGIfb_validate_mode(xgifb_info
,
987 xgifb_info
->mode_idx
);
989 xgifb_info
->mode_idx
= -1;
991 if (xgifb_info
->mode_idx
< 0) {
992 pr_err("Mode %dx%dx%d not supported\n",
993 var
->xres
, var
->yres
, var
->bits_per_pixel
);
994 xgifb_info
->mode_idx
= old_mode
;
998 if (XGIfb_search_refresh_rate(xgifb_info
,
999 xgifb_info
->refresh_rate
) == 0) {
1000 xgifb_info
->rate_idx
= 1;
1001 xgifb_info
->refresh_rate
= 60;
1006 XGIfb_pre_setmode(xgifb_info
);
1007 if (XGISetModeNew(xgifb_info
, hw_info
,
1008 XGIbios_mode
[xgifb_info
->mode_idx
].mode_no
)
1010 pr_err("Setting mode[0x%x] failed\n",
1011 XGIbios_mode
[xgifb_info
->mode_idx
].mode_no
);
1014 info
->fix
.line_length
= ((info
->var
.xres_virtual
1015 * info
->var
.bits_per_pixel
) >> 6);
1017 xgifb_reg_set(XGISR
, IND_SIS_PASSWORD
, SIS_PASSWORD
);
1019 xgifb_reg_set(XGICR
, 0x13, (info
->fix
.line_length
& 0x00ff));
1020 xgifb_reg_set(XGISR
,
1022 (info
->fix
.line_length
& 0xff00) >> 8);
1024 XGIfb_post_setmode(xgifb_info
);
1026 pr_debug("Set new mode: %dx%dx%d-%d\n",
1027 XGIbios_mode
[xgifb_info
->mode_idx
].xres
,
1028 XGIbios_mode
[xgifb_info
->mode_idx
].yres
,
1029 XGIbios_mode
[xgifb_info
->mode_idx
].bpp
,
1030 xgifb_info
->refresh_rate
);
1032 xgifb_info
->video_bpp
= XGIbios_mode
[xgifb_info
->mode_idx
].bpp
;
1033 xgifb_info
->video_vwidth
= info
->var
.xres_virtual
;
1034 xgifb_info
->video_width
=
1035 XGIbios_mode
[xgifb_info
->mode_idx
].xres
;
1036 xgifb_info
->video_vheight
= info
->var
.yres_virtual
;
1037 xgifb_info
->video_height
=
1038 XGIbios_mode
[xgifb_info
->mode_idx
].yres
;
1039 xgifb_info
->org_x
= xgifb_info
->org_y
= 0;
1040 xgifb_info
->video_linelength
= info
->var
.xres_virtual
1041 * (xgifb_info
->video_bpp
>> 3);
1042 switch (xgifb_info
->video_bpp
) {
1044 xgifb_info
->DstColor
= 0x0000;
1045 xgifb_info
->XGI310_AccelDepth
= 0x00000000;
1046 xgifb_info
->video_cmap_len
= 256;
1047 #if defined(__powerpc__)
1048 cr_data
= xgifb_reg_get(XGICR
, 0x4D);
1049 xgifb_reg_set(XGICR
, 0x4D, (cr_data
& 0xE0));
1053 xgifb_info
->DstColor
= 0x8000;
1054 xgifb_info
->XGI310_AccelDepth
= 0x00010000;
1055 #if defined(__powerpc__)
1056 cr_data
= xgifb_reg_get(XGICR
, 0x4D);
1057 xgifb_reg_set(XGICR
, 0x4D, ((cr_data
& 0xE0) | 0x0B));
1059 xgifb_info
->video_cmap_len
= 16;
1062 xgifb_info
->DstColor
= 0xC000;
1063 xgifb_info
->XGI310_AccelDepth
= 0x00020000;
1064 xgifb_info
->video_cmap_len
= 16;
1065 #if defined(__powerpc__)
1066 cr_data
= xgifb_reg_get(XGICR
, 0x4D);
1067 xgifb_reg_set(XGICR
, 0x4D, ((cr_data
& 0xE0) | 0x15));
1071 xgifb_info
->video_cmap_len
= 16;
1072 pr_err("Unsupported depth %d\n",
1073 xgifb_info
->video_bpp
);
1077 XGIfb_bpp_to_var(xgifb_info
, var
); /*update ARGB info*/
1083 static int XGIfb_pan_var(struct fb_var_screeninfo
*var
, struct fb_info
*info
)
1085 struct xgifb_video_info
*xgifb_info
= info
->par
;
1088 base
= var
->yoffset
* info
->var
.xres_virtual
+ var
->xoffset
;
1090 /* calculate base bpp dep. */
1091 switch (info
->var
.bits_per_pixel
) {
1103 xgifb_reg_set(XGISR
, IND_SIS_PASSWORD
, SIS_PASSWORD
);
1105 xgifb_reg_set(XGICR
, 0x0D, base
& 0xFF);
1106 xgifb_reg_set(XGICR
, 0x0C, (base
>> 8) & 0xFF);
1107 xgifb_reg_set(XGISR
, 0x0D, (base
>> 16) & 0xFF);
1108 xgifb_reg_set(XGISR
, 0x37, (base
>> 24) & 0x03);
1109 xgifb_reg_and_or(XGISR
, 0x37, 0xDF, (base
>> 21) & 0x04);
1111 if (xgifb_info
->display2
!= XGIFB_DISP_NONE
) {
1112 xgifb_reg_or(XGIPART1
, SIS_CRT2_WENABLE_315
, 0x01);
1113 xgifb_reg_set(XGIPART1
, 0x06, (base
& 0xFF));
1114 xgifb_reg_set(XGIPART1
, 0x05, ((base
>> 8) & 0xFF));
1115 xgifb_reg_set(XGIPART1
, 0x04, ((base
>> 16) & 0xFF));
1116 xgifb_reg_and_or(XGIPART1
,
1119 ((base
>> 24) & 0x01) << 7);
1124 static int XGIfb_open(struct fb_info
*info
, int user
)
1129 static int XGIfb_release(struct fb_info
*info
, int user
)
1134 /* similar to sisfb_get_cmap_len */
1135 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo
*var
)
1137 return (var
->bits_per_pixel
== 8) ? 256 : 16;
1140 static int XGIfb_setcolreg(unsigned regno
, unsigned red
, unsigned green
,
1141 unsigned blue
, unsigned transp
, struct fb_info
*info
)
1143 struct xgifb_video_info
*xgifb_info
= info
->par
;
1145 if (regno
>= XGIfb_get_cmap_len(&info
->var
))
1148 switch (info
->var
.bits_per_pixel
) {
1150 outb(regno
, XGIDACA
);
1151 outb((red
>> 10), XGIDACD
);
1152 outb((green
>> 10), XGIDACD
);
1153 outb((blue
>> 10), XGIDACD
);
1154 if (xgifb_info
->display2
!= XGIFB_DISP_NONE
) {
1155 outb(regno
, XGIDAC2A
);
1156 outb((red
>> 8), XGIDAC2D
);
1157 outb((green
>> 8), XGIDAC2D
);
1158 outb((blue
>> 8), XGIDAC2D
);
1162 ((u32
*) (info
->pseudo_palette
))[regno
] = ((red
& 0xf800))
1163 | ((green
& 0xfc00) >> 5) | ((blue
& 0xf800)
1170 ((u32
*) (info
->pseudo_palette
))[regno
] = (red
<< 16) | (green
1177 /* ----------- FBDev related routines for all series ---------- */
1179 static int XGIfb_get_fix(struct fb_fix_screeninfo
*fix
, int con
,
1180 struct fb_info
*info
)
1182 struct xgifb_video_info
*xgifb_info
= info
->par
;
1184 memset(fix
, 0, sizeof(struct fb_fix_screeninfo
));
1186 strncpy(fix
->id
, "XGI", sizeof(fix
->id
) - 1);
1188 /* if register_framebuffer has been called, we must lock */
1189 if (atomic_read(&info
->count
))
1190 mutex_lock(&info
->mm_lock
);
1192 fix
->smem_start
= xgifb_info
->video_base
;
1193 fix
->smem_len
= xgifb_info
->video_size
;
1195 /* if register_framebuffer has been called, we can unlock */
1196 if (atomic_read(&info
->count
))
1197 mutex_unlock(&info
->mm_lock
);
1199 fix
->type
= FB_TYPE_PACKED_PIXELS
;
1201 if (xgifb_info
->video_bpp
== 8)
1202 fix
->visual
= FB_VISUAL_PSEUDOCOLOR
;
1204 fix
->visual
= FB_VISUAL_DIRECTCOLOR
;
1209 fix
->line_length
= xgifb_info
->video_linelength
;
1210 fix
->mmio_start
= xgifb_info
->mmio_base
;
1211 fix
->mmio_len
= xgifb_info
->mmio_size
;
1212 fix
->accel
= FB_ACCEL_SIS_XABRE
;
1217 static int XGIfb_set_par(struct fb_info
*info
)
1221 err
= XGIfb_do_set_var(&info
->var
, 1, info
);
1224 XGIfb_get_fix(&info
->fix
, -1, info
);
1228 static int XGIfb_check_var(struct fb_var_screeninfo
*var
, struct fb_info
*info
)
1230 struct xgifb_video_info
*xgifb_info
= info
->par
;
1231 unsigned int htotal
= var
->left_margin
+ var
->xres
+ var
->right_margin
1233 unsigned int vtotal
= 0;
1234 unsigned int drate
= 0, hrate
= 0;
1236 int refresh_rate
, search_idx
;
1238 if ((var
->vmode
& FB_VMODE_MASK
) == FB_VMODE_NONINTERLACED
) {
1239 vtotal
= var
->upper_margin
+ var
->yres
+ var
->lower_margin
1242 } else if ((var
->vmode
& FB_VMODE_MASK
) == FB_VMODE_DOUBLE
) {
1243 vtotal
= var
->upper_margin
+ var
->yres
+ var
->lower_margin
1246 } else if ((var
->vmode
& FB_VMODE_MASK
) == FB_VMODE_INTERLACED
) {
1247 vtotal
= var
->upper_margin
+ (var
->yres
/ 2)
1248 + var
->lower_margin
+ var
->vsync_len
;
1250 vtotal
= var
->upper_margin
+ var
->yres
+ var
->lower_margin
1253 if (!(htotal
) || !(vtotal
)) {
1254 pr_debug("No valid timing data\n");
1258 if (var
->pixclock
&& htotal
&& vtotal
) {
1259 drate
= 1000000000 / var
->pixclock
;
1260 hrate
= (drate
* 1000) / htotal
;
1261 xgifb_info
->refresh_rate
=
1262 (unsigned int) (hrate
* 2 / vtotal
);
1264 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1265 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1266 __func__
, var
->pixclock
, htotal
, vtotal
,
1267 __func__
, drate
, hrate
, xgifb_info
->refresh_rate
);
1269 xgifb_info
->refresh_rate
= 60;
1272 /* Calculation wrong for 1024x600 - force it to 60Hz */
1273 if ((var
->xres
== 1024) && (var
->yres
== 600))
1277 while ((XGIbios_mode
[search_idx
].mode_no
!= 0) &&
1278 (XGIbios_mode
[search_idx
].xres
<= var
->xres
)) {
1279 if ((XGIbios_mode
[search_idx
].xres
== var
->xres
) &&
1280 (XGIbios_mode
[search_idx
].yres
== var
->yres
) &&
1281 (XGIbios_mode
[search_idx
].bpp
== var
->bits_per_pixel
)) {
1282 if (XGIfb_validate_mode(xgifb_info
, search_idx
) > 0) {
1292 pr_err("%dx%dx%d is no valid mode\n",
1293 var
->xres
, var
->yres
, var
->bits_per_pixel
);
1295 while (XGIbios_mode
[search_idx
].mode_no
!= 0) {
1296 if ((var
->xres
<= XGIbios_mode
[search_idx
].xres
) &&
1297 (var
->yres
<= XGIbios_mode
[search_idx
].yres
) &&
1298 (var
->bits_per_pixel
==
1299 XGIbios_mode
[search_idx
].bpp
)) {
1300 if (XGIfb_validate_mode(xgifb_info
,
1309 var
->xres
= XGIbios_mode
[search_idx
].xres
;
1310 var
->yres
= XGIbios_mode
[search_idx
].yres
;
1311 pr_debug("Adapted to mode %dx%dx%d\n",
1312 var
->xres
, var
->yres
, var
->bits_per_pixel
);
1315 pr_err("Failed to find similar mode to %dx%dx%d\n",
1316 var
->xres
, var
->yres
, var
->bits_per_pixel
);
1321 /* Adapt RGB settings */
1322 XGIfb_bpp_to_var(xgifb_info
, var
);
1325 if (var
->xres
!= var
->xres_virtual
)
1326 var
->xres_virtual
= var
->xres
;
1327 if (var
->yres
!= var
->yres_virtual
)
1328 var
->yres_virtual
= var
->yres
;
1331 /* Truncate offsets to maximum if too high */
1332 if (var
->xoffset
> var
->xres_virtual
- var
->xres
)
1333 var
->xoffset
= var
->xres_virtual
- var
->xres
- 1;
1335 if (var
->yoffset
> var
->yres_virtual
- var
->yres
)
1336 var
->yoffset
= var
->yres_virtual
- var
->yres
- 1;
1338 /* Set everything else to 0 */
1339 var
->red
.msb_right
=
1340 var
->green
.msb_right
=
1341 var
->blue
.msb_right
=
1342 var
->transp
.offset
= var
->transp
.length
= var
->transp
.msb_right
= 0;
1347 static int XGIfb_pan_display(struct fb_var_screeninfo
*var
,
1348 struct fb_info
*info
)
1352 if (var
->xoffset
> (info
->var
.xres_virtual
- info
->var
.xres
))
1354 if (var
->yoffset
> (info
->var
.yres_virtual
- info
->var
.yres
))
1357 if (var
->vmode
& FB_VMODE_YWRAP
) {
1358 if (var
->yoffset
>= info
->var
.yres_virtual
|| var
->xoffset
)
1360 } else if (var
->xoffset
+ info
->var
.xres
> info
->var
.xres_virtual
1361 || var
->yoffset
+ info
->var
.yres
1362 > info
->var
.yres_virtual
) {
1365 err
= XGIfb_pan_var(var
, info
);
1369 info
->var
.xoffset
= var
->xoffset
;
1370 info
->var
.yoffset
= var
->yoffset
;
1371 if (var
->vmode
& FB_VMODE_YWRAP
)
1372 info
->var
.vmode
|= FB_VMODE_YWRAP
;
1374 info
->var
.vmode
&= ~FB_VMODE_YWRAP
;
1379 static int XGIfb_blank(int blank
, struct fb_info
*info
)
1381 struct xgifb_video_info
*xgifb_info
= info
->par
;
1384 reg
= xgifb_reg_get(XGICR
, 0x17);
1391 xgifb_reg_set(XGICR
, 0x17, reg
);
1392 xgifb_reg_set(XGISR
, 0x00, 0x01); /* Synchronous Reset */
1393 xgifb_reg_set(XGISR
, 0x00, 0x03); /* End Reset */
1397 static struct fb_ops XGIfb_ops
= {
1398 .owner
= THIS_MODULE
,
1399 .fb_open
= XGIfb_open
,
1400 .fb_release
= XGIfb_release
,
1401 .fb_check_var
= XGIfb_check_var
,
1402 .fb_set_par
= XGIfb_set_par
,
1403 .fb_setcolreg
= XGIfb_setcolreg
,
1404 .fb_pan_display
= XGIfb_pan_display
,
1405 .fb_blank
= XGIfb_blank
,
1406 .fb_fillrect
= cfb_fillrect
,
1407 .fb_copyarea
= cfb_copyarea
,
1408 .fb_imageblit
= cfb_imageblit
,
1411 /* ---------------- Chip generation dependent routines ---------------- */
1413 /* for XGI 315/550/650/740/330 */
1415 static int XGIfb_get_dram_size(struct xgifb_video_info
*xgifb_info
)
1421 /* xorg driver sets 32MB * 1 channel */
1422 if (xgifb_info
->chip
== XG27
)
1423 xgifb_reg_set(XGISR
, IND_SIS_DRAM_SIZE
, 0x51);
1425 reg
= xgifb_reg_get(XGISR
, IND_SIS_DRAM_SIZE
);
1429 switch ((reg
& XGI_DRAM_SIZE_MASK
) >> 4) {
1430 case XGI_DRAM_SIZE_1MB
:
1431 xgifb_info
->video_size
= 0x100000;
1433 case XGI_DRAM_SIZE_2MB
:
1434 xgifb_info
->video_size
= 0x200000;
1436 case XGI_DRAM_SIZE_4MB
:
1437 xgifb_info
->video_size
= 0x400000;
1439 case XGI_DRAM_SIZE_8MB
:
1440 xgifb_info
->video_size
= 0x800000;
1442 case XGI_DRAM_SIZE_16MB
:
1443 xgifb_info
->video_size
= 0x1000000;
1445 case XGI_DRAM_SIZE_32MB
:
1446 xgifb_info
->video_size
= 0x2000000;
1448 case XGI_DRAM_SIZE_64MB
:
1449 xgifb_info
->video_size
= 0x4000000;
1451 case XGI_DRAM_SIZE_128MB
:
1452 xgifb_info
->video_size
= 0x8000000;
1454 case XGI_DRAM_SIZE_256MB
:
1455 xgifb_info
->video_size
= 0x10000000;
1461 tmp
= (reg
& 0x0c) >> 2;
1462 switch (xgifb_info
->chip
) {
1487 xgifb_info
->video_size
= xgifb_info
->video_size
* ChannelNum
;
1489 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1491 xgifb_info
->video_size
, ChannelNum
);
1496 static void XGIfb_detect_VB(struct xgifb_video_info
*xgifb_info
)
1500 xgifb_info
->TV_plug
= xgifb_info
->TV_type
= 0;
1502 cr32
= xgifb_reg_get(XGICR
, IND_XGI_SCRATCH_REG_CR32
);
1504 if ((cr32
& SIS_CRT1
) && !XGIfb_crt1off
)
1513 if (!xgifb_info
->display2_force
) {
1514 if (cr32
& SIS_VB_TV
)
1515 xgifb_info
->display2
= XGIFB_DISP_TV
;
1516 else if (cr32
& SIS_VB_LCD
)
1517 xgifb_info
->display2
= XGIFB_DISP_LCD
;
1518 else if (cr32
& SIS_VB_CRT2
)
1519 xgifb_info
->display2
= XGIFB_DISP_CRT
;
1521 xgifb_info
->display2
= XGIFB_DISP_NONE
;
1524 if (XGIfb_tvplug
!= -1)
1525 /* Override with option */
1526 xgifb_info
->TV_plug
= XGIfb_tvplug
;
1527 else if (cr32
& SIS_VB_HIVISION
) {
1528 xgifb_info
->TV_type
= TVMODE_HIVISION
;
1529 xgifb_info
->TV_plug
= TVPLUG_SVIDEO
;
1530 } else if (cr32
& SIS_VB_SVIDEO
)
1531 xgifb_info
->TV_plug
= TVPLUG_SVIDEO
;
1532 else if (cr32
& SIS_VB_COMPOSITE
)
1533 xgifb_info
->TV_plug
= TVPLUG_COMPOSITE
;
1534 else if (cr32
& SIS_VB_SCART
)
1535 xgifb_info
->TV_plug
= TVPLUG_SCART
;
1537 if (xgifb_info
->TV_type
== 0) {
1538 temp
= xgifb_reg_get(XGICR
, 0x38);
1540 xgifb_info
->TV_type
= TVMODE_PAL
;
1542 xgifb_info
->TV_type
= TVMODE_NTSC
;
1545 /* Copy forceCRT1 option to CRT1off if option is given */
1546 if (XGIfb_forcecrt1
!= -1) {
1547 if (XGIfb_forcecrt1
)
1554 static int XGIfb_has_VB(struct xgifb_video_info
*xgifb_info
)
1558 vb_chipid
= xgifb_reg_get(XGIPART4
, 0x00);
1559 switch (vb_chipid
) {
1561 xgifb_info
->hasVB
= HASVB_301
;
1564 xgifb_info
->hasVB
= HASVB_302
;
1567 xgifb_info
->hasVB
= HASVB_NONE
;
1573 static void XGIfb_get_VB_type(struct xgifb_video_info
*xgifb_info
)
1577 if (!XGIfb_has_VB(xgifb_info
)) {
1578 reg
= xgifb_reg_get(XGICR
, IND_XGI_SCRATCH_REG_CR37
);
1579 switch ((reg
& SIS_EXTERNAL_CHIP_MASK
) >> 1) {
1580 case SIS_EXTERNAL_CHIP_LVDS
:
1581 xgifb_info
->hasVB
= HASVB_LVDS
;
1583 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL
:
1584 xgifb_info
->hasVB
= HASVB_LVDS_CHRONTEL
;
1592 static int __init
xgifb_optval(char *fullopt
, int validx
)
1596 if (kstrtoul(fullopt
+ validx
, 0, &lres
) < 0 || lres
> INT_MAX
) {
1597 pr_err("Invalid value for option: %s\n", fullopt
);
1603 static int __init
XGIfb_setup(char *options
)
1607 if (!options
|| !*options
)
1610 pr_info("Options: %s\n", options
);
1612 while ((this_opt
= strsep(&options
, ",")) != NULL
) {
1617 if (!strncmp(this_opt
, "mode:", 5)) {
1618 mode
= this_opt
+ 5;
1619 } else if (!strncmp(this_opt
, "vesa:", 5)) {
1620 vesa
= xgifb_optval(this_opt
, 5);
1621 } else if (!strncmp(this_opt
, "vrate:", 6)) {
1622 refresh_rate
= xgifb_optval(this_opt
, 6);
1623 } else if (!strncmp(this_opt
, "rate:", 5)) {
1624 refresh_rate
= xgifb_optval(this_opt
, 5);
1625 } else if (!strncmp(this_opt
, "crt1off", 7)) {
1627 } else if (!strncmp(this_opt
, "filter:", 7)) {
1628 filter
= xgifb_optval(this_opt
, 7);
1629 } else if (!strncmp(this_opt
, "forcecrt2type:", 14)) {
1630 XGIfb_search_crt2type(this_opt
+ 14);
1631 } else if (!strncmp(this_opt
, "forcecrt1:", 10)) {
1632 XGIfb_forcecrt1
= xgifb_optval(this_opt
, 10);
1633 } else if (!strncmp(this_opt
, "tvmode:", 7)) {
1634 XGIfb_search_tvstd(this_opt
+ 7);
1635 } else if (!strncmp(this_opt
, "tvstandard:", 11)) {
1636 XGIfb_search_tvstd(this_opt
+ 7);
1637 } else if (!strncmp(this_opt
, "dstn", 4)) {
1639 /* DSTN overrules forcecrt2type */
1640 XGIfb_crt2type
= XGIFB_DISP_LCD
;
1641 } else if (!strncmp(this_opt
, "noypan", 6)) {
1650 static int xgifb_probe(struct pci_dev
*pdev
,
1651 const struct pci_device_id
*ent
)
1656 struct fb_info
*fb_info
;
1657 struct xgifb_video_info
*xgifb_info
;
1658 struct xgi_hw_device_info
*hw_info
;
1659 unsigned long video_size_max
;
1661 fb_info
= framebuffer_alloc(sizeof(*xgifb_info
), &pdev
->dev
);
1665 xgifb_info
= fb_info
->par
;
1666 hw_info
= &xgifb_info
->hw_info
;
1667 xgifb_info
->fb_info
= fb_info
;
1668 xgifb_info
->chip_id
= pdev
->device
;
1669 pci_read_config_byte(pdev
,
1671 &xgifb_info
->revision_id
);
1672 hw_info
->jChipRevision
= xgifb_info
->revision_id
;
1674 xgifb_info
->pcibus
= pdev
->bus
->number
;
1675 xgifb_info
->pcislot
= PCI_SLOT(pdev
->devfn
);
1676 xgifb_info
->pcifunc
= PCI_FUNC(pdev
->devfn
);
1677 xgifb_info
->subsysvendor
= pdev
->subsystem_vendor
;
1678 xgifb_info
->subsysdevice
= pdev
->subsystem_device
;
1680 video_size_max
= pci_resource_len(pdev
, 0);
1681 xgifb_info
->video_base
= pci_resource_start(pdev
, 0);
1682 xgifb_info
->mmio_base
= pci_resource_start(pdev
, 1);
1683 xgifb_info
->mmio_size
= pci_resource_len(pdev
, 1);
1684 xgifb_info
->vga_base
= pci_resource_start(pdev
, 2) + 0x30;
1685 dev_info(&pdev
->dev
, "Relocate IO address: %Lx [%08lx]\n",
1686 (u64
) pci_resource_start(pdev
, 2),
1687 xgifb_info
->vga_base
);
1689 if (pci_enable_device(pdev
)) {
1694 if (XGIfb_crt2type
!= -1) {
1695 xgifb_info
->display2
= XGIfb_crt2type
;
1696 xgifb_info
->display2_force
= true;
1699 XGIRegInit(&xgifb_info
->dev_info
, xgifb_info
->vga_base
);
1701 xgifb_reg_set(XGISR
, IND_SIS_PASSWORD
, SIS_PASSWORD
);
1702 reg1
= xgifb_reg_get(XGISR
, IND_SIS_PASSWORD
);
1704 if (reg1
!= 0xa1) { /*I/O error */
1705 dev_err(&pdev
->dev
, "I/O error\n");
1710 switch (xgifb_info
->chip_id
) {
1711 case PCI_DEVICE_ID_XGI_20
:
1712 xgifb_reg_or(XGICR
, Index_CR_GPIO_Reg3
, GPIOG_EN
);
1713 CR48
= xgifb_reg_get(XGICR
, Index_CR_GPIO_Reg1
);
1714 if (CR48
&GPIOG_READ
)
1715 xgifb_info
->chip
= XG21
;
1717 xgifb_info
->chip
= XG20
;
1719 case PCI_DEVICE_ID_XGI_40
:
1720 xgifb_info
->chip
= XG40
;
1722 case PCI_DEVICE_ID_XGI_42
:
1723 xgifb_info
->chip
= XG42
;
1725 case PCI_DEVICE_ID_XGI_27
:
1726 xgifb_info
->chip
= XG27
;
1733 dev_info(&pdev
->dev
, "chipid = %x\n", xgifb_info
->chip
);
1734 hw_info
->jChipType
= xgifb_info
->chip
;
1736 if (XGIfb_get_dram_size(xgifb_info
)) {
1737 xgifb_info
->video_size
= min_t(unsigned long, video_size_max
,
1739 } else if (xgifb_info
->video_size
> video_size_max
) {
1740 xgifb_info
->video_size
= video_size_max
;
1743 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1745 IND_SIS_PCI_ADDRESS_SET
,
1746 (SIS_PCI_ADDR_ENABLE
| SIS_MEM_MAP_IO_ENABLE
));
1747 /* Enable 2D accelerator engine */
1748 xgifb_reg_or(XGISR
, IND_SIS_MODULE_ENABLE
, SIS_ENABLE_2D
);
1750 hw_info
->ulVideoMemorySize
= xgifb_info
->video_size
;
1752 if (!request_mem_region(xgifb_info
->video_base
,
1753 xgifb_info
->video_size
,
1755 dev_err(&pdev
->dev
, "Unable request memory size %x\n",
1756 xgifb_info
->video_size
);
1758 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1763 if (!request_mem_region(xgifb_info
->mmio_base
,
1764 xgifb_info
->mmio_size
,
1767 "Fatal error: Unable to reserve MMIO region\n");
1772 xgifb_info
->video_vbase
= hw_info
->pjVideoMemoryAddress
=
1773 ioremap(xgifb_info
->video_base
, xgifb_info
->video_size
);
1774 xgifb_info
->mmio_vbase
= ioremap(xgifb_info
->mmio_base
,
1775 xgifb_info
->mmio_size
);
1777 dev_info(&pdev
->dev
,
1778 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1779 (u64
) xgifb_info
->video_base
,
1780 xgifb_info
->video_vbase
,
1781 xgifb_info
->video_size
/ 1024);
1783 dev_info(&pdev
->dev
,
1784 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1785 (u64
) xgifb_info
->mmio_base
, xgifb_info
->mmio_vbase
,
1786 xgifb_info
->mmio_size
/ 1024);
1788 pci_set_drvdata(pdev
, xgifb_info
);
1789 if (!XGIInitNew(pdev
))
1790 dev_err(&pdev
->dev
, "XGIInitNew() failed!\n");
1792 xgifb_info
->mtrr
= -1;
1794 xgifb_info
->hasVB
= HASVB_NONE
;
1795 if ((xgifb_info
->chip
== XG20
) ||
1796 (xgifb_info
->chip
== XG27
)) {
1797 xgifb_info
->hasVB
= HASVB_NONE
;
1798 } else if (xgifb_info
->chip
== XG21
) {
1799 CR38
= xgifb_reg_get(XGICR
, 0x38);
1800 if ((CR38
&0xE0) == 0xC0)
1801 xgifb_info
->display2
= XGIFB_DISP_LCD
;
1802 else if ((CR38
&0xE0) == 0x60)
1803 xgifb_info
->hasVB
= HASVB_CHRONTEL
;
1805 xgifb_info
->hasVB
= HASVB_NONE
;
1807 XGIfb_get_VB_type(xgifb_info
);
1810 hw_info
->ujVBChipID
= VB_CHIP_UNKNOWN
;
1812 hw_info
->ulExternalChip
= 0;
1814 switch (xgifb_info
->hasVB
) {
1816 reg
= xgifb_reg_get(XGIPART4
, 0x01);
1818 hw_info
->ujVBChipID
= VB_CHIP_302LV
;
1819 dev_info(&pdev
->dev
,
1820 "XGI302LV bridge detected (revision 0x%02x)\n",
1822 } else if (reg
>= 0xD0) {
1823 hw_info
->ujVBChipID
= VB_CHIP_301LV
;
1824 dev_info(&pdev
->dev
,
1825 "XGI301LV bridge detected (revision 0x%02x)\n",
1828 hw_info
->ujVBChipID
= VB_CHIP_301
;
1829 dev_info(&pdev
->dev
, "XGI301 bridge detected\n");
1833 reg
= xgifb_reg_get(XGIPART4
, 0x01);
1835 hw_info
->ujVBChipID
= VB_CHIP_302LV
;
1836 dev_info(&pdev
->dev
,
1837 "XGI302LV bridge detected (revision 0x%02x)\n",
1839 } else if (reg
>= 0xD0) {
1840 hw_info
->ujVBChipID
= VB_CHIP_301LV
;
1841 dev_info(&pdev
->dev
,
1842 "XGI302LV bridge detected (revision 0x%02x)\n",
1844 } else if (reg
>= 0xB0) {
1845 reg1
= xgifb_reg_get(XGIPART4
, 0x23);
1847 hw_info
->ujVBChipID
= VB_CHIP_302B
;
1850 hw_info
->ujVBChipID
= VB_CHIP_302
;
1851 dev_info(&pdev
->dev
, "XGI302 bridge detected\n");
1855 hw_info
->ulExternalChip
= 0x1;
1856 dev_info(&pdev
->dev
, "LVDS transmitter detected\n");
1858 case HASVB_TRUMPION
:
1859 hw_info
->ulExternalChip
= 0x2;
1860 dev_info(&pdev
->dev
, "Trumpion Zurac LVDS scaler detected\n");
1862 case HASVB_CHRONTEL
:
1863 hw_info
->ulExternalChip
= 0x4;
1864 dev_info(&pdev
->dev
, "Chrontel TV encoder detected\n");
1866 case HASVB_LVDS_CHRONTEL
:
1867 hw_info
->ulExternalChip
= 0x5;
1868 dev_info(&pdev
->dev
,
1869 "LVDS transmitter and Chrontel TV encoder detected\n");
1872 dev_info(&pdev
->dev
, "No or unknown bridge type detected\n");
1876 if (xgifb_info
->hasVB
!= HASVB_NONE
)
1877 XGIfb_detect_VB(xgifb_info
);
1878 else if (xgifb_info
->chip
!= XG21
)
1879 xgifb_info
->display2
= XGIFB_DISP_NONE
;
1881 if (xgifb_info
->display2
== XGIFB_DISP_LCD
) {
1883 reg
= xgifb_reg_get(XGICR
, IND_XGI_LCD_PANEL
);
1885 hw_info
->ulCRT2LCDType
= XGI310paneltype
[reg
];
1889 xgifb_info
->mode_idx
= -1;
1892 XGIfb_search_mode(xgifb_info
, mode
);
1893 else if (vesa
!= -1)
1894 XGIfb_search_vesamode(xgifb_info
, vesa
);
1896 if (xgifb_info
->mode_idx
>= 0)
1897 xgifb_info
->mode_idx
=
1898 XGIfb_validate_mode(xgifb_info
, xgifb_info
->mode_idx
);
1900 if (xgifb_info
->mode_idx
< 0) {
1901 if (xgifb_info
->display2
== XGIFB_DISP_LCD
&&
1902 xgifb_info
->chip
== XG21
)
1903 xgifb_info
->mode_idx
=
1904 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info
);
1906 xgifb_info
->mode_idx
= DEFAULT_MODE
;
1909 if (xgifb_info
->mode_idx
< 0) {
1910 dev_err(&pdev
->dev
, "No supported video mode found\n");
1915 /* set default refresh rate */
1916 xgifb_info
->refresh_rate
= refresh_rate
;
1917 if (xgifb_info
->refresh_rate
== 0)
1918 xgifb_info
->refresh_rate
= 60;
1919 if (XGIfb_search_refresh_rate(xgifb_info
,
1920 xgifb_info
->refresh_rate
) == 0) {
1921 xgifb_info
->rate_idx
= 1;
1922 xgifb_info
->refresh_rate
= 60;
1925 xgifb_info
->video_bpp
= XGIbios_mode
[xgifb_info
->mode_idx
].bpp
;
1926 xgifb_info
->video_vwidth
=
1927 xgifb_info
->video_width
=
1928 XGIbios_mode
[xgifb_info
->mode_idx
].xres
;
1929 xgifb_info
->video_vheight
=
1930 xgifb_info
->video_height
=
1931 XGIbios_mode
[xgifb_info
->mode_idx
].yres
;
1932 xgifb_info
->org_x
= xgifb_info
->org_y
= 0;
1933 xgifb_info
->video_linelength
=
1934 xgifb_info
->video_width
*
1935 (xgifb_info
->video_bpp
>> 3);
1936 switch (xgifb_info
->video_bpp
) {
1938 xgifb_info
->DstColor
= 0x0000;
1939 xgifb_info
->XGI310_AccelDepth
= 0x00000000;
1940 xgifb_info
->video_cmap_len
= 256;
1943 xgifb_info
->DstColor
= 0x8000;
1944 xgifb_info
->XGI310_AccelDepth
= 0x00010000;
1945 xgifb_info
->video_cmap_len
= 16;
1948 xgifb_info
->DstColor
= 0xC000;
1949 xgifb_info
->XGI310_AccelDepth
= 0x00020000;
1950 xgifb_info
->video_cmap_len
= 16;
1953 xgifb_info
->video_cmap_len
= 16;
1954 pr_info("Unsupported depth %d\n",
1955 xgifb_info
->video_bpp
);
1959 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1960 xgifb_info
->video_width
,
1961 xgifb_info
->video_height
,
1962 xgifb_info
->video_bpp
,
1963 xgifb_info
->refresh_rate
);
1965 fb_info
->var
.red
.length
= 8;
1966 fb_info
->var
.green
.length
= 8;
1967 fb_info
->var
.blue
.length
= 8;
1968 fb_info
->var
.activate
= FB_ACTIVATE_NOW
;
1969 fb_info
->var
.height
= -1;
1970 fb_info
->var
.width
= -1;
1971 fb_info
->var
.vmode
= FB_VMODE_NONINTERLACED
;
1972 fb_info
->var
.xres
= xgifb_info
->video_width
;
1973 fb_info
->var
.xres_virtual
= xgifb_info
->video_width
;
1974 fb_info
->var
.yres
= xgifb_info
->video_height
;
1975 fb_info
->var
.yres_virtual
= xgifb_info
->video_height
;
1976 fb_info
->var
.bits_per_pixel
= xgifb_info
->video_bpp
;
1978 XGIfb_bpp_to_var(xgifb_info
, &fb_info
->var
);
1980 fb_info
->var
.pixclock
= (u32
) (1000000000 /
1981 XGIfb_mode_rate_to_dclock(&xgifb_info
->dev_info
,
1983 XGIbios_mode
[xgifb_info
->mode_idx
].mode_no
));
1985 if (XGIfb_mode_rate_to_ddata(&xgifb_info
->dev_info
, hw_info
,
1986 XGIbios_mode
[xgifb_info
->mode_idx
].mode_no
,
1987 &fb_info
->var
.left_margin
,
1988 &fb_info
->var
.right_margin
,
1989 &fb_info
->var
.upper_margin
,
1990 &fb_info
->var
.lower_margin
,
1991 &fb_info
->var
.hsync_len
,
1992 &fb_info
->var
.vsync_len
,
1994 &fb_info
->var
.vmode
)) {
1996 if ((fb_info
->var
.vmode
& FB_VMODE_MASK
) ==
1997 FB_VMODE_INTERLACED
) {
1998 fb_info
->var
.yres
<<= 1;
1999 fb_info
->var
.yres_virtual
<<= 1;
2000 } else if ((fb_info
->var
.vmode
& FB_VMODE_MASK
) ==
2002 fb_info
->var
.pixclock
>>= 1;
2003 fb_info
->var
.yres
>>= 1;
2004 fb_info
->var
.yres_virtual
>>= 1;
2009 fb_info
->flags
= FBINFO_FLAG_DEFAULT
;
2010 fb_info
->screen_base
= xgifb_info
->video_vbase
;
2011 fb_info
->fbops
= &XGIfb_ops
;
2012 XGIfb_get_fix(&fb_info
->fix
, -1, fb_info
);
2013 fb_info
->pseudo_palette
= xgifb_info
->pseudo_palette
;
2015 fb_alloc_cmap(&fb_info
->cmap
, 256, 0);
2018 xgifb_info
->mtrr
= mtrr_add(xgifb_info
->video_base
,
2019 xgifb_info
->video_size
, MTRR_TYPE_WRCOMB
, 1);
2020 if (xgifb_info
->mtrr
>= 0)
2021 dev_info(&pdev
->dev
, "Added MTRR\n");
2024 if (register_framebuffer(fb_info
) < 0) {
2035 if (xgifb_info
->mtrr
>= 0)
2036 mtrr_del(xgifb_info
->mtrr
, xgifb_info
->video_base
,
2037 xgifb_info
->video_size
);
2038 #endif /* CONFIG_MTRR */
2040 iounmap(xgifb_info
->mmio_vbase
);
2041 iounmap(xgifb_info
->video_vbase
);
2042 release_mem_region(xgifb_info
->mmio_base
, xgifb_info
->mmio_size
);
2044 release_mem_region(xgifb_info
->video_base
, xgifb_info
->video_size
);
2046 pci_disable_device(pdev
);
2048 framebuffer_release(fb_info
);
2052 /*****************************************************/
2053 /* PCI DEVICE HANDLING */
2054 /*****************************************************/
2056 static void xgifb_remove(struct pci_dev
*pdev
)
2058 struct xgifb_video_info
*xgifb_info
= pci_get_drvdata(pdev
);
2059 struct fb_info
*fb_info
= xgifb_info
->fb_info
;
2061 unregister_framebuffer(fb_info
);
2063 if (xgifb_info
->mtrr
>= 0)
2064 mtrr_del(xgifb_info
->mtrr
, xgifb_info
->video_base
,
2065 xgifb_info
->video_size
);
2066 #endif /* CONFIG_MTRR */
2067 iounmap(xgifb_info
->mmio_vbase
);
2068 iounmap(xgifb_info
->video_vbase
);
2069 release_mem_region(xgifb_info
->mmio_base
, xgifb_info
->mmio_size
);
2070 release_mem_region(xgifb_info
->video_base
, xgifb_info
->video_size
);
2071 pci_disable_device(pdev
);
2072 framebuffer_release(fb_info
);
2075 static struct pci_driver xgifb_driver
= {
2077 .id_table
= xgifb_pci_table
,
2078 .probe
= xgifb_probe
,
2079 .remove
= xgifb_remove
2084 /*****************************************************/
2086 /*****************************************************/
2088 module_param(mode
, charp
, 0);
2089 MODULE_PARM_DESC(mode
,
2090 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2092 module_param(forcecrt2type
, charp
, 0);
2093 MODULE_PARM_DESC(forcecrt2type
,
2094 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2096 module_param(vesa
, int, 0);
2097 MODULE_PARM_DESC(vesa
,
2098 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2100 module_param(filter
, int, 0);
2101 MODULE_PARM_DESC(filter
,
2102 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2104 static int __init
xgifb_init(void)
2106 char *option
= NULL
;
2108 if (forcecrt2type
!= NULL
)
2109 XGIfb_search_crt2type(forcecrt2type
);
2110 if (fb_get_options("xgifb", &option
))
2112 XGIfb_setup(option
);
2114 return pci_register_driver(&xgifb_driver
);
2117 static void __exit
xgifb_remove_module(void)
2119 pci_unregister_driver(&xgifb_driver
);
2120 pr_debug("Module unloaded\n");
2123 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2124 MODULE_LICENSE("GPL");
2125 MODULE_AUTHOR("XGITECH , Others");
2126 module_init(xgifb_init
);
2127 module_exit(xgifb_remove_module
);