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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/video/matrox/
1/*
2 *
3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450.
4 *
5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
6 *
7 * Portions Copyright (c) 2001 Matrox Graphics Inc.
8 *
9 * Version: 1.65 2002/08/14
10 *
11 * See matroxfb_base.c for contributors.
12 *
13 */
14
15
16#include "matroxfb_DAC1064.h"
17#include "matroxfb_misc.h"
18#include "matroxfb_accel.h"
19#include "g450_pll.h"
20#include <linux/matroxfb.h>
21
22#ifdef NEED_DAC1064
23#define outDAC1064 matroxfb_DAC_out
24#define inDAC1064 matroxfb_DAC_in
25
26#define DAC1064_OPT_SCLK_PCI	0x00
27#define DAC1064_OPT_SCLK_PLL	0x01
28#define DAC1064_OPT_SCLK_EXT	0x02
29#define DAC1064_OPT_SCLK_MASK	0x03
30#define DAC1064_OPT_GDIV1	0x04	/* maybe it is GDIV2 on G100 ?! */
31#define DAC1064_OPT_GDIV3	0x00
32#define DAC1064_OPT_MDIV1	0x08
33#define DAC1064_OPT_MDIV2	0x00
34#define DAC1064_OPT_RESERVED	0x10
35
36static void DAC1064_calcclock(const struct matrox_fb_info *minfo,
37			      unsigned int freq, unsigned int fmax,
38			      unsigned int *in, unsigned int *feed,
39			      unsigned int *post)
40{
41	unsigned int fvco;
42	unsigned int p;
43
44	DBG(__func__)
45
46	/* only for devices older than G450 */
47
48	fvco = PLL_calcclock(minfo, freq, fmax, in, feed, &p);
49
50	p = (1 << p) - 1;
51	if (fvco <= 100000)
52		;
53	else if (fvco <= 140000)
54		p |= 0x08;
55	else if (fvco <= 180000)
56		p |= 0x10;
57	else
58		p |= 0x18;
59	*post = p;
60}
61
62/* they must be in POS order */
63static const unsigned char MGA1064_DAC_regs[] = {
64		M1064_XCURADDL, M1064_XCURADDH, M1064_XCURCTRL,
65		M1064_XCURCOL0RED, M1064_XCURCOL0GREEN, M1064_XCURCOL0BLUE,
66		M1064_XCURCOL1RED, M1064_XCURCOL1GREEN, M1064_XCURCOL1BLUE,
67		M1064_XCURCOL2RED, M1064_XCURCOL2GREEN, M1064_XCURCOL2BLUE,
68		DAC1064_XVREFCTRL, M1064_XMULCTRL, M1064_XPIXCLKCTRL, M1064_XGENCTRL,
69		M1064_XMISCCTRL,
70		M1064_XGENIOCTRL, M1064_XGENIODATA, M1064_XZOOMCTRL, M1064_XSENSETEST,
71		M1064_XCRCBITSEL,
72		M1064_XCOLKEYMASKL, M1064_XCOLKEYMASKH, M1064_XCOLKEYL, M1064_XCOLKEYH };
73
74static const unsigned char MGA1064_DAC[] = {
75		0x00, 0x00, M1064_XCURCTRL_DIS,
76		0x00, 0x00, 0x00, 	/* black */
77		0xFF, 0xFF, 0xFF,	/* white */
78		0xFF, 0x00, 0x00,	/* red */
79		0x00, 0,
80		M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_PLL,
81		M1064_XGENCTRL_VS_0 | M1064_XGENCTRL_ALPHA_DIS | M1064_XGENCTRL_BLACK_0IRE | M1064_XGENCTRL_NO_SYNC_ON_GREEN,
82		M1064_XMISCCTRL_DAC_8BIT,
83		0x00, 0x00, M1064_XZOOMCTRL_1, M1064_XSENSETEST_BCOMP | M1064_XSENSETEST_GCOMP | M1064_XSENSETEST_RCOMP | M1064_XSENSETEST_PDOWN,
84		0x00,
85		0x00, 0x00, 0xFF, 0xFF};
86
87static void DAC1064_setpclk(struct matrox_fb_info *minfo, unsigned long fout)
88{
89	unsigned int m, n, p;
90
91	DBG(__func__)
92
93	DAC1064_calcclock(minfo, fout, minfo->max_pixel_clock, &m, &n, &p);
94	minfo->hw.DACclk[0] = m;
95	minfo->hw.DACclk[1] = n;
96	minfo->hw.DACclk[2] = p;
97}
98
99static void DAC1064_setmclk(struct matrox_fb_info *minfo, int oscinfo,
100			    unsigned long fmem)
101{
102	u_int32_t mx;
103	struct matrox_hw_state *hw = &minfo->hw;
104
105	DBG(__func__)
106
107	if (minfo->devflags.noinit) {
108		/* read MCLK and give up... */
109		hw->DACclk[3] = inDAC1064(minfo, DAC1064_XSYSPLLM);
110		hw->DACclk[4] = inDAC1064(minfo, DAC1064_XSYSPLLN);
111		hw->DACclk[5] = inDAC1064(minfo, DAC1064_XSYSPLLP);
112		return;
113	}
114	mx = hw->MXoptionReg | 0x00000004;
115	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx);
116	mx &= ~0x000000BB;
117	if (oscinfo & DAC1064_OPT_GDIV1)
118		mx |= 0x00000008;
119	if (oscinfo & DAC1064_OPT_MDIV1)
120		mx |= 0x00000010;
121	if (oscinfo & DAC1064_OPT_RESERVED)
122		mx |= 0x00000080;
123	if ((oscinfo & DAC1064_OPT_SCLK_MASK) == DAC1064_OPT_SCLK_PLL) {
124		/* select PCI clock until we have setup oscilator... */
125		int clk;
126		unsigned int m, n, p;
127
128		/* powerup system PLL, select PCI clock */
129		mx |= 0x00000020;
130		pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx);
131		mx &= ~0x00000004;
132		pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx);
133
134		/* !!! you must not access device if MCLK is not running !!!
135		   Doing so cause immediate PCI lockup :-( Maybe they should
136		   generate ABORT or I/O (parity...) error and Linux should
137		   recover from this... (kill driver/process). But world is not
138		   perfect... */
139		/* (bit 2 of PCI_OPTION_REG must be 0... and bits 0,1 must not
140		   select PLL... because of PLL can be stopped at this time) */
141		DAC1064_calcclock(minfo, fmem, minfo->max_pixel_clock, &m, &n, &p);
142		outDAC1064(minfo, DAC1064_XSYSPLLM, hw->DACclk[3] = m);
143		outDAC1064(minfo, DAC1064_XSYSPLLN, hw->DACclk[4] = n);
144		outDAC1064(minfo, DAC1064_XSYSPLLP, hw->DACclk[5] = p);
145		for (clk = 65536; clk; --clk) {
146			if (inDAC1064(minfo, DAC1064_XSYSPLLSTAT) & 0x40)
147				break;
148		}
149		if (!clk)
150			printk(KERN_ERR "matroxfb: aiee, SYSPLL not locked\n");
151		/* select PLL */
152		mx |= 0x00000005;
153	} else {
154		/* select specified system clock source */
155		mx |= oscinfo & DAC1064_OPT_SCLK_MASK;
156	}
157	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx);
158	mx &= ~0x00000004;
159	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx);
160	hw->MXoptionReg = mx;
161}
162
163#ifdef CONFIG_FB_MATROX_G
164static void g450_set_plls(struct matrox_fb_info *minfo)
165{
166	u_int32_t c2_ctl;
167	unsigned int pxc;
168	struct matrox_hw_state *hw = &minfo->hw;
169	int pixelmnp;
170	int videomnp;
171
172	c2_ctl = hw->crtc2.ctl & ~0x4007;	/* Clear PLL + enable for CRTC2 */
173	c2_ctl |= 0x0001;			/* Enable CRTC2 */
174	hw->DACreg[POS1064_XPWRCTRL] &= ~0x02;	/* Stop VIDEO PLL */
175	pixelmnp = minfo->crtc1.mnp;
176	videomnp = minfo->crtc2.mnp;
177	if (videomnp < 0) {
178		c2_ctl &= ~0x0001;			/* Disable CRTC2 */
179		hw->DACreg[POS1064_XPWRCTRL] &= ~0x10;	/* Powerdown CRTC2 */
180	} else if (minfo->crtc2.pixclock == minfo->features.pll.ref_freq) {
181		c2_ctl |=  0x4002;	/* Use reference directly */
182	} else if (videomnp == pixelmnp) {
183		c2_ctl |=  0x0004;	/* Use pixel PLL */
184	} else {
185		if (0 == ((videomnp ^ pixelmnp) & 0xFFFFFF00)) {
186			/* PIXEL and VIDEO PLL must not use same frequency. We modify N
187			   of PIXEL PLL in such case because of VIDEO PLL may be source
188			   of TVO clocks, and chroma subcarrier is derived from its
189			   pixel clocks */
190			pixelmnp += 0x000100;
191		}
192		c2_ctl |=  0x0006;	/* Use video PLL */
193		hw->DACreg[POS1064_XPWRCTRL] |= 0x02;
194
195		outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]);
196		matroxfb_g450_setpll_cond(minfo, videomnp, M_VIDEO_PLL);
197	}
198
199	hw->DACreg[POS1064_XPIXCLKCTRL] &= ~M1064_XPIXCLKCTRL_PLL_UP;
200	if (pixelmnp >= 0) {
201		hw->DACreg[POS1064_XPIXCLKCTRL] |= M1064_XPIXCLKCTRL_PLL_UP;
202
203		outDAC1064(minfo, M1064_XPIXCLKCTRL, hw->DACreg[POS1064_XPIXCLKCTRL]);
204		matroxfb_g450_setpll_cond(minfo, pixelmnp, M_PIXEL_PLL_C);
205	}
206	if (c2_ctl != hw->crtc2.ctl) {
207		hw->crtc2.ctl = c2_ctl;
208		mga_outl(0x3C10, c2_ctl);
209	}
210
211	pxc = minfo->crtc1.pixclock;
212	if (pxc == 0 || minfo->outputs[2].src == MATROXFB_SRC_CRTC2) {
213		pxc = minfo->crtc2.pixclock;
214	}
215	if (minfo->chip == MGA_G550) {
216		if (pxc < 45000) {
217			hw->DACreg[POS1064_XPANMODE] = 0x00;	/* 0-50 */
218		} else if (pxc < 55000) {
219			hw->DACreg[POS1064_XPANMODE] = 0x08;	/* 34-62 */
220		} else if (pxc < 70000) {
221			hw->DACreg[POS1064_XPANMODE] = 0x10;	/* 42-78 */
222		} else if (pxc < 85000) {
223			hw->DACreg[POS1064_XPANMODE] = 0x18;	/* 62-92 */
224		} else if (pxc < 100000) {
225			hw->DACreg[POS1064_XPANMODE] = 0x20;	/* 74-108 */
226		} else if (pxc < 115000) {
227			hw->DACreg[POS1064_XPANMODE] = 0x28;	/* 94-122 */
228		} else if (pxc < 125000) {
229			hw->DACreg[POS1064_XPANMODE] = 0x30;	/* 108-132 */
230		} else {
231			hw->DACreg[POS1064_XPANMODE] = 0x38;	/* 120-168 */
232		}
233	} else {
234		/* G450 */
235		if (pxc < 45000) {
236			hw->DACreg[POS1064_XPANMODE] = 0x00;	/* 0-54 */
237		} else if (pxc < 65000) {
238			hw->DACreg[POS1064_XPANMODE] = 0x08;	/* 38-70 */
239		} else if (pxc < 85000) {
240			hw->DACreg[POS1064_XPANMODE] = 0x10;	/* 56-96 */
241		} else if (pxc < 105000) {
242			hw->DACreg[POS1064_XPANMODE] = 0x18;	/* 80-114 */
243		} else if (pxc < 135000) {
244			hw->DACreg[POS1064_XPANMODE] = 0x20;	/* 102-144 */
245		} else if (pxc < 160000) {
246			hw->DACreg[POS1064_XPANMODE] = 0x28;	/* 132-166 */
247		} else if (pxc < 175000) {
248			hw->DACreg[POS1064_XPANMODE] = 0x30;	/* 154-182 */
249		} else {
250			hw->DACreg[POS1064_XPANMODE] = 0x38;	/* 170-204 */
251		}
252	}
253}
254#endif
255
256void DAC1064_global_init(struct matrox_fb_info *minfo)
257{
258	struct matrox_hw_state *hw = &minfo->hw;
259
260	hw->DACreg[POS1064_XMISCCTRL] &= M1064_XMISCCTRL_DAC_WIDTHMASK;
261	hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_LUT_EN;
262	hw->DACreg[POS1064_XPIXCLKCTRL] = M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_PLL;
263#ifdef CONFIG_FB_MATROX_G
264	if (minfo->devflags.g450dac) {
265		hw->DACreg[POS1064_XPWRCTRL] = 0x1F;	/* powerup everything */
266		hw->DACreg[POS1064_XOUTPUTCONN] = 0x00;	/* disable outputs */
267		hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_DAC_EN;
268		switch (minfo->outputs[0].src) {
269			case MATROXFB_SRC_CRTC1:
270			case MATROXFB_SRC_CRTC2:
271				hw->DACreg[POS1064_XOUTPUTCONN] |= 0x01;	/* enable output; CRTC1/2 selection is in CRTC2 ctl */
272				break;
273			case MATROXFB_SRC_NONE:
274				hw->DACreg[POS1064_XMISCCTRL] &= ~M1064_XMISCCTRL_DAC_EN;
275				break;
276		}
277		switch (minfo->outputs[1].src) {
278			case MATROXFB_SRC_CRTC1:
279				hw->DACreg[POS1064_XOUTPUTCONN] |= 0x04;
280				break;
281			case MATROXFB_SRC_CRTC2:
282				if (minfo->outputs[1].mode == MATROXFB_OUTPUT_MODE_MONITOR) {
283					hw->DACreg[POS1064_XOUTPUTCONN] |= 0x08;
284				} else {
285					hw->DACreg[POS1064_XOUTPUTCONN] |= 0x0C;
286				}
287				break;
288			case MATROXFB_SRC_NONE:
289				hw->DACreg[POS1064_XPWRCTRL] &= ~0x01;		/* Poweroff DAC2 */
290				break;
291		}
292		switch (minfo->outputs[2].src) {
293			case MATROXFB_SRC_CRTC1:
294				hw->DACreg[POS1064_XOUTPUTCONN] |= 0x20;
295				break;
296			case MATROXFB_SRC_CRTC2:
297				hw->DACreg[POS1064_XOUTPUTCONN] |= 0x40;
298				break;
299			case MATROXFB_SRC_NONE:
300				break;
301		}
302		/* Now set timming related variables... */
303		g450_set_plls(minfo);
304	} else
305#endif
306	{
307		if (minfo->outputs[1].src == MATROXFB_SRC_CRTC1) {
308			hw->DACreg[POS1064_XPIXCLKCTRL] = M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_EXT;
309			hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_MAFC | G400_XMISCCTRL_VDO_MAFC12;
310		} else if (minfo->outputs[1].src == MATROXFB_SRC_CRTC2) {
311			hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_MAFC | G400_XMISCCTRL_VDO_C2_MAFC12;
312		} else if (minfo->outputs[2].src == MATROXFB_SRC_CRTC1)
313			hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_PANELLINK | G400_XMISCCTRL_VDO_MAFC12;
314		else
315			hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_DIS;
316
317		if (minfo->outputs[0].src != MATROXFB_SRC_NONE)
318			hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_DAC_EN;
319	}
320}
321
322void DAC1064_global_restore(struct matrox_fb_info *minfo)
323{
324	struct matrox_hw_state *hw = &minfo->hw;
325
326	outDAC1064(minfo, M1064_XPIXCLKCTRL, hw->DACreg[POS1064_XPIXCLKCTRL]);
327	outDAC1064(minfo, M1064_XMISCCTRL, hw->DACreg[POS1064_XMISCCTRL]);
328	if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) {
329		outDAC1064(minfo, 0x20, 0x04);
330		outDAC1064(minfo, 0x1F, minfo->devflags.dfp_type);
331		if (minfo->devflags.g450dac) {
332			outDAC1064(minfo, M1064_XSYNCCTRL, 0xCC);
333			outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]);
334			outDAC1064(minfo, M1064_XPANMODE, hw->DACreg[POS1064_XPANMODE]);
335			outDAC1064(minfo, M1064_XOUTPUTCONN, hw->DACreg[POS1064_XOUTPUTCONN]);
336		}
337	}
338}
339
340static int DAC1064_init_1(struct matrox_fb_info *minfo, struct my_timming *m)
341{
342	struct matrox_hw_state *hw = &minfo->hw;
343
344	DBG(__func__)
345
346	memcpy(hw->DACreg, MGA1064_DAC, sizeof(MGA1064_DAC_regs));
347	switch (minfo->fbcon.var.bits_per_pixel) {
348		/* case 4: not supported by MGA1064 DAC */
349		case 8:
350			hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_8BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED;
351			break;
352		case 16:
353			if (minfo->fbcon.var.green.length == 5)
354				hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_15BPP_1BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED;
355			else
356				hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_16BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED;
357			break;
358		case 24:
359			hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_24BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED;
360			break;
361		case 32:
362			hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_32BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED;
363			break;
364		default:
365			return 1;	/* unsupported depth */
366	}
367	hw->DACreg[POS1064_XVREFCTRL] = minfo->features.DAC1064.xvrefctrl;
368	hw->DACreg[POS1064_XGENCTRL] &= ~M1064_XGENCTRL_SYNC_ON_GREEN_MASK;
369	hw->DACreg[POS1064_XGENCTRL] |= (m->sync & FB_SYNC_ON_GREEN)?M1064_XGENCTRL_SYNC_ON_GREEN:M1064_XGENCTRL_NO_SYNC_ON_GREEN;
370	hw->DACreg[POS1064_XCURADDL] = 0;
371	hw->DACreg[POS1064_XCURADDH] = 0;
372
373	DAC1064_global_init(minfo);
374	return 0;
375}
376
377static int DAC1064_init_2(struct matrox_fb_info *minfo, struct my_timming *m)
378{
379	struct matrox_hw_state *hw = &minfo->hw;
380
381	DBG(__func__)
382
383	if (minfo->fbcon.var.bits_per_pixel > 16) {	/* 256 entries */
384		int i;
385
386		for (i = 0; i < 256; i++) {
387			hw->DACpal[i * 3 + 0] = i;
388			hw->DACpal[i * 3 + 1] = i;
389			hw->DACpal[i * 3 + 2] = i;
390		}
391	} else if (minfo->fbcon.var.bits_per_pixel > 8) {
392		if (minfo->fbcon.var.green.length == 5) {	/* 0..31, 128..159 */
393			int i;
394
395			for (i = 0; i < 32; i++) {
396				/* with p15 == 0 */
397				hw->DACpal[i * 3 + 0] = i << 3;
398				hw->DACpal[i * 3 + 1] = i << 3;
399				hw->DACpal[i * 3 + 2] = i << 3;
400				/* with p15 == 1 */
401				hw->DACpal[(i + 128) * 3 + 0] = i << 3;
402				hw->DACpal[(i + 128) * 3 + 1] = i << 3;
403				hw->DACpal[(i + 128) * 3 + 2] = i << 3;
404			}
405		} else {
406			int i;
407
408			for (i = 0; i < 64; i++) {		/* 0..63 */
409				hw->DACpal[i * 3 + 0] = i << 3;
410				hw->DACpal[i * 3 + 1] = i << 2;
411				hw->DACpal[i * 3 + 2] = i << 3;
412			}
413		}
414	} else {
415		memset(hw->DACpal, 0, 768);
416	}
417	return 0;
418}
419
420static void DAC1064_restore_1(struct matrox_fb_info *minfo)
421{
422	struct matrox_hw_state *hw = &minfo->hw;
423
424	CRITFLAGS
425
426	DBG(__func__)
427
428	CRITBEGIN
429
430	if ((inDAC1064(minfo, DAC1064_XSYSPLLM) != hw->DACclk[3]) ||
431	    (inDAC1064(minfo, DAC1064_XSYSPLLN) != hw->DACclk[4]) ||
432	    (inDAC1064(minfo, DAC1064_XSYSPLLP) != hw->DACclk[5])) {
433		outDAC1064(minfo, DAC1064_XSYSPLLM, hw->DACclk[3]);
434		outDAC1064(minfo, DAC1064_XSYSPLLN, hw->DACclk[4]);
435		outDAC1064(minfo, DAC1064_XSYSPLLP, hw->DACclk[5]);
436	}
437	{
438		unsigned int i;
439
440		for (i = 0; i < sizeof(MGA1064_DAC_regs); i++) {
441			if ((i != POS1064_XPIXCLKCTRL) && (i != POS1064_XMISCCTRL))
442				outDAC1064(minfo, MGA1064_DAC_regs[i], hw->DACreg[i]);
443		}
444	}
445
446	DAC1064_global_restore(minfo);
447
448	CRITEND
449};
450
451static void DAC1064_restore_2(struct matrox_fb_info *minfo)
452{
453#ifdef DEBUG
454	unsigned int i;
455#endif
456
457	DBG(__func__)
458
459#ifdef DEBUG
460	dprintk(KERN_DEBUG "DAC1064regs ");
461	for (i = 0; i < sizeof(MGA1064_DAC_regs); i++) {
462		dprintk("R%02X=%02X ", MGA1064_DAC_regs[i], minfo->hw.DACreg[i]);
463		if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... ");
464	}
465	dprintk(KERN_DEBUG "DAC1064clk ");
466	for (i = 0; i < 6; i++)
467		dprintk("C%02X=%02X ", i, minfo->hw.DACclk[i]);
468	dprintk("\n");
469#endif
470}
471
472static int m1064_compute(void* out, struct my_timming* m) {
473#define minfo ((struct matrox_fb_info*)out)
474	{
475		int i;
476		int tmout;
477		CRITFLAGS
478
479		DAC1064_setpclk(minfo, m->pixclock);
480
481		CRITBEGIN
482
483		for (i = 0; i < 3; i++)
484			outDAC1064(minfo, M1064_XPIXPLLCM + i, minfo->hw.DACclk[i]);
485		for (tmout = 500000; tmout; tmout--) {
486			if (inDAC1064(minfo, M1064_XPIXPLLSTAT) & 0x40)
487				break;
488			udelay(10);
489		};
490
491		CRITEND
492
493		if (!tmout)
494			printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
495	}
496#undef minfo
497	return 0;
498}
499
500static struct matrox_altout m1064 = {
501	.name	 = "Primary output",
502	.compute = m1064_compute,
503};
504
505#ifdef CONFIG_FB_MATROX_G
506static int g450_compute(void* out, struct my_timming* m) {
507#define minfo ((struct matrox_fb_info*)out)
508	if (m->mnp < 0) {
509		m->mnp = matroxfb_g450_setclk(minfo, m->pixclock, (m->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
510		if (m->mnp >= 0) {
511			m->pixclock = g450_mnp2f(minfo, m->mnp);
512		}
513	}
514#undef minfo
515	return 0;
516}
517
518static struct matrox_altout g450out = {
519	.name	 = "Primary output",
520	.compute = g450_compute,
521};
522#endif
523
524#endif /* NEED_DAC1064 */
525
526#ifdef CONFIG_FB_MATROX_MYSTIQUE
527static int MGA1064_init(struct matrox_fb_info *minfo, struct my_timming *m)
528{
529	struct matrox_hw_state *hw = &minfo->hw;
530
531	DBG(__func__)
532
533	if (DAC1064_init_1(minfo, m)) return 1;
534	if (matroxfb_vgaHWinit(minfo, m)) return 1;
535
536	hw->MiscOutReg = 0xCB;
537	if (m->sync & FB_SYNC_HOR_HIGH_ACT)
538		hw->MiscOutReg &= ~0x40;
539	if (m->sync & FB_SYNC_VERT_HIGH_ACT)
540		hw->MiscOutReg &= ~0x80;
541	if (m->sync & FB_SYNC_COMP_HIGH_ACT) /* should be only FB_SYNC_COMP */
542		hw->CRTCEXT[3] |= 0x40;
543
544	if (DAC1064_init_2(minfo, m)) return 1;
545	return 0;
546}
547#endif
548
549#ifdef CONFIG_FB_MATROX_G
550static int MGAG100_init(struct matrox_fb_info *minfo, struct my_timming *m)
551{
552	struct matrox_hw_state *hw = &minfo->hw;
553
554	DBG(__func__)
555
556	if (DAC1064_init_1(minfo, m)) return 1;
557	hw->MXoptionReg &= ~0x2000;
558	if (matroxfb_vgaHWinit(minfo, m)) return 1;
559
560	hw->MiscOutReg = 0xEF;
561	if (m->sync & FB_SYNC_HOR_HIGH_ACT)
562		hw->MiscOutReg &= ~0x40;
563	if (m->sync & FB_SYNC_VERT_HIGH_ACT)
564		hw->MiscOutReg &= ~0x80;
565	if (m->sync & FB_SYNC_COMP_HIGH_ACT) /* should be only FB_SYNC_COMP */
566		hw->CRTCEXT[3] |= 0x40;
567
568	if (DAC1064_init_2(minfo, m)) return 1;
569	return 0;
570}
571#endif	/* G */
572
573#ifdef CONFIG_FB_MATROX_MYSTIQUE
574static void MGA1064_ramdac_init(struct matrox_fb_info *minfo)
575{
576
577	DBG(__func__)
578
579	/* minfo->features.DAC1064.vco_freq_min = 120000; */
580	minfo->features.pll.vco_freq_min = 62000;
581	minfo->features.pll.ref_freq	 = 14318;
582	minfo->features.pll.feed_div_min = 100;
583	minfo->features.pll.feed_div_max = 127;
584	minfo->features.pll.in_div_min	 = 1;
585	minfo->features.pll.in_div_max	 = 31;
586	minfo->features.pll.post_shift_max = 3;
587	minfo->features.DAC1064.xvrefctrl = DAC1064_XVREFCTRL_EXTERNAL;
588	/* maybe cmdline MCLK= ?, doc says gclk=44MHz, mclk=66MHz... it was 55/83 with old values */
589	DAC1064_setmclk(minfo, DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV3 | DAC1064_OPT_SCLK_PLL, 133333);
590}
591#endif
592
593#ifdef CONFIG_FB_MATROX_G
594/* BIOS environ */
595static int x7AF4 = 0x10;	/* flags, maybe 0x10 = SDRAM, 0x00 = SGRAM??? */
596				/* G100 wants 0x10, G200 SGRAM does not care... */
597
598static void MGAG100_progPixClock(const struct matrox_fb_info *minfo, int flags,
599				 int m, int n, int p)
600{
601	int reg;
602	int selClk;
603	int clk;
604
605	DBG(__func__)
606
607	outDAC1064(minfo, M1064_XPIXCLKCTRL, inDAC1064(minfo, M1064_XPIXCLKCTRL) | M1064_XPIXCLKCTRL_DIS |
608		   M1064_XPIXCLKCTRL_PLL_UP);
609	switch (flags & 3) {
610		case 0:		reg = M1064_XPIXPLLAM; break;
611		case 1:		reg = M1064_XPIXPLLBM; break;
612		default:	reg = M1064_XPIXPLLCM; break;
613	}
614	outDAC1064(minfo, reg++, m);
615	outDAC1064(minfo, reg++, n);
616	outDAC1064(minfo, reg, p);
617	selClk = mga_inb(M_MISC_REG_READ) & ~0xC;
618	/* there should be flags & 0x03 & case 0/1/else */
619	/* and we should first select source and after that we should wait for PLL */
620	/* and we are waiting for PLL with oscilator disabled... Is it right? */
621	switch (flags & 0x03) {
622		case 0x00:	break;
623		case 0x01:	selClk |= 4; break;
624		default:	selClk |= 0x0C; break;
625	}
626	mga_outb(M_MISC_REG, selClk);
627	for (clk = 500000; clk; clk--) {
628		if (inDAC1064(minfo, M1064_XPIXPLLSTAT) & 0x40)
629			break;
630		udelay(10);
631	};
632	if (!clk)
633		printk(KERN_ERR "matroxfb: Pixel PLL%c not locked after usual time\n", (reg-M1064_XPIXPLLAM-2)/4 + 'A');
634	selClk = inDAC1064(minfo, M1064_XPIXCLKCTRL) & ~M1064_XPIXCLKCTRL_SRC_MASK;
635	switch (flags & 0x0C) {
636		case 0x00:	selClk |= M1064_XPIXCLKCTRL_SRC_PCI; break;
637		case 0x04:	selClk |= M1064_XPIXCLKCTRL_SRC_PLL; break;
638		default:	selClk |= M1064_XPIXCLKCTRL_SRC_EXT; break;
639	}
640	outDAC1064(minfo, M1064_XPIXCLKCTRL, selClk);
641	outDAC1064(minfo, M1064_XPIXCLKCTRL, inDAC1064(minfo, M1064_XPIXCLKCTRL) & ~M1064_XPIXCLKCTRL_DIS);
642}
643
644static void MGAG100_setPixClock(const struct matrox_fb_info *minfo, int flags,
645				int freq)
646{
647	unsigned int m, n, p;
648
649	DBG(__func__)
650
651	DAC1064_calcclock(minfo, freq, minfo->max_pixel_clock, &m, &n, &p);
652	MGAG100_progPixClock(minfo, flags, m, n, p);
653}
654#endif
655
656#ifdef CONFIG_FB_MATROX_MYSTIQUE
657static int MGA1064_preinit(struct matrox_fb_info *minfo)
658{
659	static const int vxres_mystique[] = { 512,        640, 768,  800,  832,  960,
660					     1024, 1152, 1280,      1600, 1664, 1920,
661					     2048,    0};
662	struct matrox_hw_state *hw = &minfo->hw;
663
664	DBG(__func__)
665
666	/* minfo->capable.cfb4 = 0; ... preinitialized by 0 */
667	minfo->capable.text = 1;
668	minfo->capable.vxres = vxres_mystique;
669
670	minfo->outputs[0].output = &m1064;
671	minfo->outputs[0].src = minfo->outputs[0].default_src;
672	minfo->outputs[0].data = minfo;
673	minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR;
674
675	if (minfo->devflags.noinit)
676		return 0;	/* do not modify settings */
677	hw->MXoptionReg &= 0xC0000100;
678	hw->MXoptionReg |= 0x00094E20;
679	if (minfo->devflags.novga)
680		hw->MXoptionReg &= ~0x00000100;
681	if (minfo->devflags.nobios)
682		hw->MXoptionReg &= ~0x40000000;
683	if (minfo->devflags.nopciretry)
684		hw->MXoptionReg |=  0x20000000;
685	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
686	mga_setr(M_SEQ_INDEX, 0x01, 0x20);
687	mga_outl(M_CTLWTST, 0x00000000);
688	udelay(200);
689	mga_outl(M_MACCESS, 0x00008000);
690	udelay(100);
691	mga_outl(M_MACCESS, 0x0000C000);
692	return 0;
693}
694
695static void MGA1064_reset(struct matrox_fb_info *minfo)
696{
697
698	DBG(__func__);
699
700	MGA1064_ramdac_init(minfo);
701}
702#endif
703
704#ifdef CONFIG_FB_MATROX_G
705static void g450_mclk_init(struct matrox_fb_info *minfo)
706{
707	/* switch all clocks to PCI source */
708	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg | 4);
709	pci_write_config_dword(minfo->pcidev, PCI_OPTION3_REG, minfo->values.reg.opt3 & ~0x00300C03);
710	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
711
712	if (((minfo->values.reg.opt3 & 0x000003) == 0x000003) ||
713	    ((minfo->values.reg.opt3 & 0x000C00) == 0x000C00) ||
714	    ((minfo->values.reg.opt3 & 0x300000) == 0x300000)) {
715		matroxfb_g450_setclk(minfo, minfo->values.pll.video, M_VIDEO_PLL);
716	} else {
717		unsigned long flags;
718		unsigned int pwr;
719
720		matroxfb_DAC_lock_irqsave(flags);
721		pwr = inDAC1064(minfo, M1064_XPWRCTRL) & ~0x02;
722		outDAC1064(minfo, M1064_XPWRCTRL, pwr);
723		matroxfb_DAC_unlock_irqrestore(flags);
724	}
725	matroxfb_g450_setclk(minfo, minfo->values.pll.system, M_SYSTEM_PLL);
726
727	/* switch clocks to their real PLL source(s) */
728	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg | 4);
729	pci_write_config_dword(minfo->pcidev, PCI_OPTION3_REG, minfo->values.reg.opt3);
730	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
731
732}
733
734static void g450_memory_init(struct matrox_fb_info *minfo)
735{
736	/* disable memory refresh */
737	minfo->hw.MXoptionReg &= ~0x001F8000;
738	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
739
740	/* set memory interface parameters */
741	minfo->hw.MXoptionReg &= ~0x00207E00;
742	minfo->hw.MXoptionReg |= 0x00207E00 & minfo->values.reg.opt;
743	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
744	pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, minfo->values.reg.opt2);
745
746	mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst);
747
748	/* first set up memory interface with disabled memory interface clocks */
749	pci_write_config_dword(minfo->pcidev, PCI_MEMMISC_REG, minfo->values.reg.memmisc & ~0x80000000U);
750	mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk);
751	mga_outl(M_MACCESS, minfo->values.reg.maccess);
752	/* start memory clocks */
753	pci_write_config_dword(minfo->pcidev, PCI_MEMMISC_REG, minfo->values.reg.memmisc | 0x80000000U);
754
755	udelay(200);
756
757	if (minfo->values.memory.ddr && (!minfo->values.memory.emrswen || !minfo->values.memory.dll)) {
758		mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk & ~0x1000);
759	}
760	mga_outl(M_MACCESS, minfo->values.reg.maccess | 0x8000);
761
762	udelay(200);
763
764	minfo->hw.MXoptionReg |= 0x001F8000 & minfo->values.reg.opt;
765	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
766
767	/* value is written to memory chips only if old != new */
768	mga_outl(M_PLNWT, 0);
769	mga_outl(M_PLNWT, ~0);
770
771	if (minfo->values.reg.mctlwtst != minfo->values.reg.mctlwtst_core) {
772		mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst_core);
773	}
774
775}
776
777static void g450_preinit(struct matrox_fb_info *minfo)
778{
779	u_int32_t c2ctl;
780	u_int8_t curctl;
781	u_int8_t c1ctl;
782
783	/* minfo->hw.MXoptionReg = minfo->values.reg.opt; */
784	minfo->hw.MXoptionReg &= 0xC0000100;
785	minfo->hw.MXoptionReg |= 0x00000020;
786	if (minfo->devflags.novga)
787		minfo->hw.MXoptionReg &= ~0x00000100;
788	if (minfo->devflags.nobios)
789		minfo->hw.MXoptionReg &= ~0x40000000;
790	if (minfo->devflags.nopciretry)
791		minfo->hw.MXoptionReg |=  0x20000000;
792	minfo->hw.MXoptionReg |= minfo->values.reg.opt & 0x03400040;
793	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
794
795	/* Init system clocks */
796
797	/* stop crtc2 */
798	c2ctl = mga_inl(M_C2CTL);
799	mga_outl(M_C2CTL, c2ctl & ~1);
800	/* stop cursor */
801	curctl = inDAC1064(minfo, M1064_XCURCTRL);
802	outDAC1064(minfo, M1064_XCURCTRL, 0);
803	/* stop crtc1 */
804	c1ctl = mga_readr(M_SEQ_INDEX, 1);
805	mga_setr(M_SEQ_INDEX, 1, c1ctl | 0x20);
806
807	g450_mclk_init(minfo);
808	g450_memory_init(minfo);
809
810	/* set legacy VGA clock sources for DOSEmu or VMware... */
811	matroxfb_g450_setclk(minfo, 25175, M_PIXEL_PLL_A);
812	matroxfb_g450_setclk(minfo, 28322, M_PIXEL_PLL_B);
813
814	/* restore crtc1 */
815	mga_setr(M_SEQ_INDEX, 1, c1ctl);
816
817	/* restore cursor */
818	outDAC1064(minfo, M1064_XCURCTRL, curctl);
819
820	/* restore crtc2 */
821	mga_outl(M_C2CTL, c2ctl);
822
823	return;
824}
825
826static int MGAG100_preinit(struct matrox_fb_info *minfo)
827{
828	static const int vxres_g100[] = {  512,        640, 768,  800,  832,  960,
829                                          1024, 1152, 1280,      1600, 1664, 1920,
830                                          2048, 0};
831	struct matrox_hw_state *hw = &minfo->hw;
832
833        u_int32_t reg50;
834
835	DBG(__func__)
836
837	/* there are some instabilities if in_div > 19 && vco < 61000 */
838	if (minfo->devflags.g450dac) {
839		minfo->features.pll.vco_freq_min = 130000;	/* my sample: >118 */
840	} else {
841		minfo->features.pll.vco_freq_min = 62000;
842	}
843	if (!minfo->features.pll.ref_freq) {
844		minfo->features.pll.ref_freq	 = 27000;
845	}
846	minfo->features.pll.feed_div_min = 7;
847	minfo->features.pll.feed_div_max = 127;
848	minfo->features.pll.in_div_min	 = 1;
849	minfo->features.pll.in_div_max	 = 31;
850	minfo->features.pll.post_shift_max = 3;
851	minfo->features.DAC1064.xvrefctrl = DAC1064_XVREFCTRL_G100_DEFAULT;
852	/* minfo->capable.cfb4 = 0; ... preinitialized by 0 */
853	minfo->capable.text = 1;
854	minfo->capable.vxres = vxres_g100;
855	minfo->capable.plnwt = minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG100
856			? minfo->devflags.sgram : 1;
857
858#ifdef CONFIG_FB_MATROX_G
859	if (minfo->devflags.g450dac) {
860		minfo->outputs[0].output = &g450out;
861	} else
862#endif
863	{
864		minfo->outputs[0].output = &m1064;
865	}
866	minfo->outputs[0].src = minfo->outputs[0].default_src;
867	minfo->outputs[0].data = minfo;
868	minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR;
869
870	if (minfo->devflags.g450dac) {
871		/* we must do this always, BIOS does not do it for us
872		   and accelerator dies without it */
873		mga_outl(0x1C0C, 0);
874	}
875	if (minfo->devflags.noinit)
876		return 0;
877	if (minfo->devflags.g450dac) {
878		g450_preinit(minfo);
879		return 0;
880	}
881	hw->MXoptionReg &= 0xC0000100;
882	hw->MXoptionReg |= 0x00000020;
883	if (minfo->devflags.novga)
884		hw->MXoptionReg &= ~0x00000100;
885	if (minfo->devflags.nobios)
886		hw->MXoptionReg &= ~0x40000000;
887	if (minfo->devflags.nopciretry)
888		hw->MXoptionReg |=  0x20000000;
889	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
890	DAC1064_setmclk(minfo, DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV3 | DAC1064_OPT_SCLK_PCI, 133333);
891
892	if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG100) {
893		pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, &reg50);
894		reg50 &= ~0x3000;
895		pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50);
896
897		hw->MXoptionReg |= 0x1080;
898		pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
899		mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst);
900		udelay(100);
901		mga_outb(0x1C05, 0x00);
902		mga_outb(0x1C05, 0x80);
903		udelay(100);
904		mga_outb(0x1C05, 0x40);
905		mga_outb(0x1C05, 0xC0);
906		udelay(100);
907		reg50 &= ~0xFF;
908		reg50 |=  0x07;
909		pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50);
910		/* it should help with G100 */
911		mga_outb(M_GRAPHICS_INDEX, 6);
912		mga_outb(M_GRAPHICS_DATA, (mga_inb(M_GRAPHICS_DATA) & 3) | 4);
913		mga_setr(M_EXTVGA_INDEX, 0x03, 0x81);
914		mga_setr(M_EXTVGA_INDEX, 0x04, 0x00);
915		mga_writeb(minfo->video.vbase, 0x0000, 0xAA);
916		mga_writeb(minfo->video.vbase, 0x0800, 0x55);
917		mga_writeb(minfo->video.vbase, 0x4000, 0x55);
918		hw->MXoptionReg |= 0x00078020;
919	} else if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG200) {
920		pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, &reg50);
921		reg50 &= ~0x3000;
922		pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50);
923
924		if (minfo->devflags.memtype == -1)
925			hw->MXoptionReg |= minfo->values.reg.opt & 0x1C00;
926		else
927			hw->MXoptionReg |= (minfo->devflags.memtype & 7) << 10;
928		if (minfo->devflags.sgram)
929			hw->MXoptionReg |= 0x4000;
930		mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst);
931		mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk);
932		udelay(200);
933		mga_outl(M_MACCESS, 0x00000000);
934		mga_outl(M_MACCESS, 0x00008000);
935		udelay(100);
936		mga_outw(M_MEMRDBK, minfo->values.reg.memrdbk);
937		hw->MXoptionReg |= 0x00078020;
938	} else {
939		pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, &reg50);
940		reg50 &= ~0x00000100;
941		reg50 |=  0x00000000;
942		pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50);
943
944		if (minfo->devflags.memtype == -1)
945			hw->MXoptionReg |= minfo->values.reg.opt & 0x1C00;
946		else
947			hw->MXoptionReg |= (minfo->devflags.memtype & 7) << 10;
948		if (minfo->devflags.sgram)
949			hw->MXoptionReg |= 0x4000;
950		mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst);
951		mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk);
952		udelay(200);
953		mga_outl(M_MACCESS, 0x00000000);
954		mga_outl(M_MACCESS, 0x00008000);
955		udelay(100);
956		mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk);
957		hw->MXoptionReg |= 0x00040020;
958	}
959	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
960	return 0;
961}
962
963static void MGAG100_reset(struct matrox_fb_info *minfo)
964{
965	u_int8_t b;
966	struct matrox_hw_state *hw = &minfo->hw;
967
968	DBG(__func__)
969
970	{
971#ifdef G100_BROKEN_IBM_82351
972		u_int32_t d;
973
974		find 1014/22 (IBM/82351); /* if found and bridging Matrox, do some strange stuff */
975		pci_read_config_byte(ibm, PCI_SECONDARY_BUS, &b);
976		if (b == minfo->pcidev->bus->number) {
977			pci_write_config_byte(ibm, PCI_COMMAND+1, 0);	/* disable back-to-back & SERR */
978			pci_write_config_byte(ibm, 0x41, 0xF4);		/* ??? */
979			pci_write_config_byte(ibm, PCI_IO_BASE, 0xF0);	/* ??? */
980			pci_write_config_byte(ibm, PCI_IO_LIMIT, 0x00);	/* ??? */
981		}
982#endif
983		if (!minfo->devflags.noinit) {
984			if (x7AF4 & 8) {
985				hw->MXoptionReg |= 0x40;
986				pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
987			}
988			mga_setr(M_EXTVGA_INDEX, 0x06, 0x00);
989		}
990	}
991	if (minfo->devflags.g450dac) {
992		/* either leave MCLK as is... or they were set in preinit */
993		hw->DACclk[3] = inDAC1064(minfo, DAC1064_XSYSPLLM);
994		hw->DACclk[4] = inDAC1064(minfo, DAC1064_XSYSPLLN);
995		hw->DACclk[5] = inDAC1064(minfo, DAC1064_XSYSPLLP);
996	} else {
997		DAC1064_setmclk(minfo, DAC1064_OPT_RESERVED | DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV1 | DAC1064_OPT_SCLK_PLL, 133333);
998	}
999	if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) {
1000		if (minfo->devflags.dfp_type == -1) {
1001			minfo->devflags.dfp_type = inDAC1064(minfo, 0x1F);
1002		}
1003	}
1004	if (minfo->devflags.noinit)
1005		return;
1006	if (minfo->devflags.g450dac) {
1007	} else {
1008		MGAG100_setPixClock(minfo, 4, 25175);
1009		MGAG100_setPixClock(minfo, 5, 28322);
1010		if (x7AF4 & 0x10) {
1011			b = inDAC1064(minfo, M1064_XGENIODATA) & ~1;
1012			outDAC1064(minfo, M1064_XGENIODATA, b);
1013			b = inDAC1064(minfo, M1064_XGENIOCTRL) | 1;
1014			outDAC1064(minfo, M1064_XGENIOCTRL, b);
1015		}
1016	}
1017}
1018#endif
1019
1020#ifdef CONFIG_FB_MATROX_MYSTIQUE
1021static void MGA1064_restore(struct matrox_fb_info *minfo)
1022{
1023	int i;
1024	struct matrox_hw_state *hw = &minfo->hw;
1025
1026	CRITFLAGS
1027
1028	DBG(__func__)
1029
1030	CRITBEGIN
1031
1032	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
1033	mga_outb(M_IEN, 0x00);
1034	mga_outb(M_CACHEFLUSH, 0x00);
1035
1036	CRITEND
1037
1038	DAC1064_restore_1(minfo);
1039	matroxfb_vgaHWrestore(minfo);
1040	minfo->crtc1.panpos = -1;
1041	for (i = 0; i < 6; i++)
1042		mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]);
1043	DAC1064_restore_2(minfo);
1044}
1045#endif
1046
1047#ifdef CONFIG_FB_MATROX_G
1048static void MGAG100_restore(struct matrox_fb_info *minfo)
1049{
1050	int i;
1051	struct matrox_hw_state *hw = &minfo->hw;
1052
1053	CRITFLAGS
1054
1055	DBG(__func__)
1056
1057	CRITBEGIN
1058
1059	pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
1060	CRITEND
1061
1062	DAC1064_restore_1(minfo);
1063	matroxfb_vgaHWrestore(minfo);
1064	if (minfo->devflags.support32MB)
1065		mga_setr(M_EXTVGA_INDEX, 8, hw->CRTCEXT[8]);
1066	minfo->crtc1.panpos = -1;
1067	for (i = 0; i < 6; i++)
1068		mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]);
1069	DAC1064_restore_2(minfo);
1070}
1071#endif
1072
1073#ifdef CONFIG_FB_MATROX_MYSTIQUE
1074struct matrox_switch matrox_mystique = {
1075	MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore,
1076};
1077EXPORT_SYMBOL(matrox_mystique);
1078#endif
1079
1080#ifdef CONFIG_FB_MATROX_G
1081struct matrox_switch matrox_G100 = {
1082	MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore,
1083};
1084EXPORT_SYMBOL(matrox_G100);
1085#endif
1086
1087#ifdef NEED_DAC1064
1088EXPORT_SYMBOL(DAC1064_global_init);
1089EXPORT_SYMBOL(DAC1064_global_restore);
1090#endif
1091MODULE_LICENSE("GPL");
1092