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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / video / matrox / matroxfb_Ti3026.c
blob835aaaae6b9658eed7f22a4322e27254d01f1bf6
1 /*
2 *
3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
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 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
12 *
13 * Contributors: "menion?" <menion@mindless.com>
14 * Betatesting, fixes, ideas
15 *
16 * "Kurt Garloff" <garloff@suse.de>
17 * Betatesting, fixes, ideas, videomodes, videomodes timmings
18 *
19 * "Tom Rini" <trini@kernel.crashing.org>
20 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
21 *
22 * "Bibek Sahu" <scorpio@dodds.net>
23 * Access device through readb|w|l and write b|w|l
24 * Extensive debugging stuff
25 *
26 * "Daniel Haun" <haund@usa.net>
27 * Testing, hardware cursor fixes
28 *
29 * "Scott Wood" <sawst46+@pitt.edu>
30 * Fixes
31 *
32 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
33 * Betatesting
34 *
35 * "Kelly French" <targon@hazmat.com>
36 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
37 * Betatesting, bug reporting
38 *
39 * "Pablo Bianucci" <pbian@pccp.com.ar>
40 * Fixes, ideas, betatesting
41 *
42 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
43 * Fixes, enhandcements, ideas, betatesting
44 *
45 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
46 * PPC betatesting, PPC support, backward compatibility
47 *
48 * "Paul Womar" <Paul@pwomar.demon.co.uk>
49 * "Owen Waller" <O.Waller@ee.qub.ac.uk>
50 * PPC betatesting
51 *
52 * "Thomas Pornin" <pornin@bolet.ens.fr>
53 * Alpha betatesting
54 *
55 * "Pieter van Leuven" <pvl@iae.nl>
56 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
57 * G100 testing
58 *
59 * "H. Peter Arvin" <hpa@transmeta.com>
60 * Ideas
61 *
62 * "Cort Dougan" <cort@cs.nmt.edu>
63 * CHRP fixes and PReP cleanup
64 *
65 * "Mark Vojkovich" <mvojkovi@ucsd.edu>
66 * G400 support
67 *
68 * (following author is not in any relation with this code, but his code
69 * is included in this driver)
70 *
71 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
72 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
73 *
74 * (following author is not in any relation with this code, but his ideas
75 * were used when writing this driver)
76 *
77 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
78 *
79 */
80
81
82 #include "matroxfb_Ti3026.h"
83 #include "matroxfb_misc.h"
84 #include "matroxfb_accel.h"
85 #include <linux/matroxfb.h>
86
87 #ifdef CONFIG_FB_MATROX_MILLENIUM
88 #define outTi3026 matroxfb_DAC_out
89 #define inTi3026 matroxfb_DAC_in
90
91 #define TVP3026_INDEX 0x00
92 #define TVP3026_PALWRADD 0x00
93 #define TVP3026_PALDATA 0x01
94 #define TVP3026_PIXRDMSK 0x02
95 #define TVP3026_PALRDADD 0x03
96 #define TVP3026_CURCOLWRADD 0x04
97 #define TVP3026_CLOVERSCAN 0x00
98 #define TVP3026_CLCOLOR0 0x01
99 #define TVP3026_CLCOLOR1 0x02
100 #define TVP3026_CLCOLOR2 0x03
101 #define TVP3026_CURCOLDATA 0x05
102 #define TVP3026_CURCOLRDADD 0x07
103 #define TVP3026_CURCTRL 0x09
104 #define TVP3026_X_DATAREG 0x0A
105 #define TVP3026_CURRAMDATA 0x0B
106 #define TVP3026_CURPOSXL 0x0C
107 #define TVP3026_CURPOSXH 0x0D
108 #define TVP3026_CURPOSYL 0x0E
109 #define TVP3026_CURPOSYH 0x0F
110
111 #define TVP3026_XSILICONREV 0x01
112 #define TVP3026_XCURCTRL 0x06
113 #define TVP3026_XCURCTRL_DIS 0x00 /* transparent, transparent, transparent, transparent */
114 #define TVP3026_XCURCTRL_3COLOR 0x01 /* transparent, 0, 1, 2 */
115 #define TVP3026_XCURCTRL_XGA 0x02 /* 0, 1, transparent, complement */
116 #define TVP3026_XCURCTRL_XWIN 0x03 /* transparent, transparent, 0, 1 */
117 #define TVP3026_XCURCTRL_BLANK2048 0x00
118 #define TVP3026_XCURCTRL_BLANK4096 0x10
119 #define TVP3026_XCURCTRL_INTERLACED 0x20
120 #define TVP3026_XCURCTRL_ODD 0x00 /* ext.signal ODD/\EVEN */
121 #define TVP3026_XCURCTRL_EVEN 0x40 /* ext.signal EVEN/\ODD */
122 #define TVP3026_XCURCTRL_INDIRECT 0x00
123 #define TVP3026_XCURCTRL_DIRECT 0x80
124 #define TVP3026_XLATCHCTRL 0x0F
125 #define TVP3026_XLATCHCTRL_1_1 0x06
126 #define TVP3026_XLATCHCTRL_2_1 0x07
127 #define TVP3026_XLATCHCTRL_4_1 0x06
128 #define TVP3026_XLATCHCTRL_8_1 0x06
129 #define TVP3026_XLATCHCTRL_16_1 0x06
130 #define TVP3026A_XLATCHCTRL_4_3 0x06 /* ??? do not understand... but it works... !!! */
131 #define TVP3026A_XLATCHCTRL_8_3 0x07
132 #define TVP3026B_XLATCHCTRL_4_3 0x08
133 #define TVP3026B_XLATCHCTRL_8_3 0x06 /* ??? do not understand... but it works... !!! */
134 #define TVP3026_XTRUECOLORCTRL 0x18
135 #define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_ACCEL 0x00
136 #define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_TVP 0x20
137 #define TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR 0x80
138 #define TVP3026_XTRUECOLORCTRL_TRUECOLOR 0x40 /* paletized */
139 #define TVP3026_XTRUECOLORCTRL_DIRECTCOLOR 0x00
140 #define TVP3026_XTRUECOLORCTRL_24_ALTERNATE 0x08 /* 5:4/5:2 instead of 4:3/8:3 */
141 #define TVP3026_XTRUECOLORCTRL_RGB_888 0x16 /* 4:3/8:3 (or 5:4/5:2) */
142 #define TVP3026_XTRUECOLORCTRL_BGR_888 0x17
143 #define TVP3026_XTRUECOLORCTRL_ORGB_8888 0x06
144 #define TVP3026_XTRUECOLORCTRL_BGRO_8888 0x07
145 #define TVP3026_XTRUECOLORCTRL_RGB_565 0x05
146 #define TVP3026_XTRUECOLORCTRL_ORGB_1555 0x04
147 #define TVP3026_XTRUECOLORCTRL_RGB_664 0x03
148 #define TVP3026_XTRUECOLORCTRL_RGBO_4444 0x01
149 #define TVP3026_XMUXCTRL 0x19
150 #define TVP3026_XMUXCTRL_MEMORY_8BIT 0x01 /* - */
151 #define TVP3026_XMUXCTRL_MEMORY_16BIT 0x02 /* - */
152 #define TVP3026_XMUXCTRL_MEMORY_32BIT 0x03 /* 2MB RAM, 512K * 4 */
153 #define TVP3026_XMUXCTRL_MEMORY_64BIT 0x04 /* >2MB RAM, 512K * 8 & more */
154 #define TVP3026_XMUXCTRL_PIXEL_4BIT 0x40 /* L0,H0,L1,H1... */
155 #define TVP3026_XMUXCTRL_PIXEL_4BIT_SWAPPED 0x60 /* H0,L0,H1,L1... */
156 #define TVP3026_XMUXCTRL_PIXEL_8BIT 0x48
157 #define TVP3026_XMUXCTRL_PIXEL_16BIT 0x50
158 #define TVP3026_XMUXCTRL_PIXEL_32BIT 0x58
159 #define TVP3026_XMUXCTRL_VGA 0x98 /* VGA MEMORY, 8BIT PIXEL */
160 #define TVP3026_XCLKCTRL 0x1A
161 #define TVP3026_XCLKCTRL_DIV1 0x00
162 #define TVP3026_XCLKCTRL_DIV2 0x10
163 #define TVP3026_XCLKCTRL_DIV4 0x20
164 #define TVP3026_XCLKCTRL_DIV8 0x30
165 #define TVP3026_XCLKCTRL_DIV16 0x40
166 #define TVP3026_XCLKCTRL_DIV32 0x50
167 #define TVP3026_XCLKCTRL_DIV64 0x60
168 #define TVP3026_XCLKCTRL_CLKSTOPPED 0x70
169 #define TVP3026_XCLKCTRL_SRC_CLK0 0x00
170 #define TVP3026_XCLKCTRL_SRC_CLK1 0x01
171 #define TVP3026_XCLKCTRL_SRC_CLK2 0x02 /* CLK2 is TTL source*/
172 #define TVP3026_XCLKCTRL_SRC_NCLK2 0x03 /* not CLK2 is TTL source */
173 #define TVP3026_XCLKCTRL_SRC_ECLK2 0x04 /* CLK2 and not CLK2 is ECL source */
174 #define TVP3026_XCLKCTRL_SRC_PLL 0x05
175 #define TVP3026_XCLKCTRL_SRC_DIS 0x06 /* disable & poweroff internal clock */
176 #define TVP3026_XCLKCTRL_SRC_CLK0VGA 0x07
177 #define TVP3026_XPALETTEPAGE 0x1C
178 #define TVP3026_XGENCTRL 0x1D
179 #define TVP3026_XGENCTRL_HSYNC_POS 0x00
180 #define TVP3026_XGENCTRL_HSYNC_NEG 0x01
181 #define TVP3026_XGENCTRL_VSYNC_POS 0x00
182 #define TVP3026_XGENCTRL_VSYNC_NEG 0x02
183 #define TVP3026_XGENCTRL_LITTLE_ENDIAN 0x00
184 #define TVP3026_XGENCTRL_BIG_ENDIAN 0x08
185 #define TVP3026_XGENCTRL_BLACK_0IRE 0x00
186 #define TVP3026_XGENCTRL_BLACK_75IRE 0x10
187 #define TVP3026_XGENCTRL_NO_SYNC_ON_GREEN 0x00
188 #define TVP3026_XGENCTRL_SYNC_ON_GREEN 0x20
189 #define TVP3026_XGENCTRL_OVERSCAN_DIS 0x00
190 #define TVP3026_XGENCTRL_OVERSCAN_EN 0x40
191 #define TVP3026_XMISCCTRL 0x1E
192 #define TVP3026_XMISCCTRL_DAC_PUP 0x00
193 #define TVP3026_XMISCCTRL_DAC_PDOWN 0x01
194 #define TVP3026_XMISCCTRL_DAC_EXT 0x00 /* or 8, bit 3 is ignored */
195 #define TVP3026_XMISCCTRL_DAC_6BIT 0x04
196 #define TVP3026_XMISCCTRL_DAC_8BIT 0x0C
197 #define TVP3026_XMISCCTRL_PSEL_DIS 0x00
198 #define TVP3026_XMISCCTRL_PSEL_EN 0x10
199 #define TVP3026_XMISCCTRL_PSEL_LOW 0x00 /* PSEL high selects directcolor */
200 #define TVP3026_XMISCCTRL_PSEL_HIGH 0x20 /* PSEL high selects truecolor or pseudocolor */
201 #define TVP3026_XGENIOCTRL 0x2A
202 #define TVP3026_XGENIODATA 0x2B
203 #define TVP3026_XPLLADDR 0x2C
204 #define TVP3026_XPLLADDR_X(LOOP,MCLK,PIX) (((LOOP)<<4) | ((MCLK)<<2) | (PIX))
205 #define TVP3026_XPLLDATA_N 0x00
206 #define TVP3026_XPLLDATA_M 0x01
207 #define TVP3026_XPLLDATA_P 0x02
208 #define TVP3026_XPLLDATA_STAT 0x03
209 #define TVP3026_XPIXPLLDATA 0x2D
210 #define TVP3026_XMEMPLLDATA 0x2E
211 #define TVP3026_XLOOPPLLDATA 0x2F
212 #define TVP3026_XCOLKEYOVRMIN 0x30
213 #define TVP3026_XCOLKEYOVRMAX 0x31
214 #define TVP3026_XCOLKEYREDMIN 0x32
215 #define TVP3026_XCOLKEYREDMAX 0x33
216 #define TVP3026_XCOLKEYGREENMIN 0x34
217 #define TVP3026_XCOLKEYGREENMAX 0x35
218 #define TVP3026_XCOLKEYBLUEMIN 0x36
219 #define TVP3026_XCOLKEYBLUEMAX 0x37
220 #define TVP3026_XCOLKEYCTRL 0x38
221 #define TVP3026_XCOLKEYCTRL_OVR_EN 0x01
222 #define TVP3026_XCOLKEYCTRL_RED_EN 0x02
223 #define TVP3026_XCOLKEYCTRL_GREEN_EN 0x04
224 #define TVP3026_XCOLKEYCTRL_BLUE_EN 0x08
225 #define TVP3026_XCOLKEYCTRL_NEGATE 0x10
226 #define TVP3026_XCOLKEYCTRL_ZOOM1 0x00
227 #define TVP3026_XCOLKEYCTRL_ZOOM2 0x20
228 #define TVP3026_XCOLKEYCTRL_ZOOM4 0x40
229 #define TVP3026_XCOLKEYCTRL_ZOOM8 0x60
230 #define TVP3026_XCOLKEYCTRL_ZOOM16 0x80
231 #define TVP3026_XCOLKEYCTRL_ZOOM32 0xA0
232 #define TVP3026_XMEMPLLCTRL 0x39
233 #define TVP3026_XMEMPLLCTRL_DIV(X) (((X)-1)>>1) /* 2,4,6,8,10,12,14,16, division applied to LOOP PLL after divide by 2^P */
234 #define TVP3026_XMEMPLLCTRL_STROBEMKC4 0x08
235 #define TVP3026_XMEMPLLCTRL_MCLK_DOTCLOCK 0x00 /* MKC4 */
236 #define TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL 0x10 /* MKC4 */
237 #define TVP3026_XMEMPLLCTRL_RCLK_PIXPLL 0x00
238 #define TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL 0x20
239 #define TVP3026_XMEMPLLCTRL_RCLK_DOTDIVN 0x40 /* dot clock divided by loop pclk N prescaler */
240 #define TVP3026_XSENSETEST 0x3A
241 #define TVP3026_XTESTMODEDATA 0x3B
242 #define TVP3026_XCRCREML 0x3C
243 #define TVP3026_XCRCREMH 0x3D
244 #define TVP3026_XCRCBITSEL 0x3E
245 #define TVP3026_XID 0x3F
246
247 static const unsigned char DACseq[] =
248 { TVP3026_XLATCHCTRL, TVP3026_XTRUECOLORCTRL,
249 TVP3026_XMUXCTRL, TVP3026_XCLKCTRL,
250 TVP3026_XPALETTEPAGE,
251 TVP3026_XGENCTRL,
252 TVP3026_XMISCCTRL,
253 TVP3026_XGENIOCTRL,
254 TVP3026_XGENIODATA,
255 TVP3026_XCOLKEYOVRMIN, TVP3026_XCOLKEYOVRMAX, TVP3026_XCOLKEYREDMIN, TVP3026_XCOLKEYREDMAX,
256 TVP3026_XCOLKEYGREENMIN, TVP3026_XCOLKEYGREENMAX, TVP3026_XCOLKEYBLUEMIN, TVP3026_XCOLKEYBLUEMAX,
257 TVP3026_XCOLKEYCTRL,
258 TVP3026_XMEMPLLCTRL, TVP3026_XSENSETEST, TVP3026_XCURCTRL };
259
260 #define POS3026_XLATCHCTRL 0
261 #define POS3026_XTRUECOLORCTRL 1
262 #define POS3026_XMUXCTRL 2
263 #define POS3026_XCLKCTRL 3
264 #define POS3026_XGENCTRL 5
265 #define POS3026_XMISCCTRL 6
266 #define POS3026_XMEMPLLCTRL 18
267 #define POS3026_XCURCTRL 20
268
269 static const unsigned char MGADACbpp32[] =
270 { TVP3026_XLATCHCTRL_2_1, TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_8888,
271 0x00, TVP3026_XCLKCTRL_DIV1 | TVP3026_XCLKCTRL_SRC_PLL,
272 0x00,
273 TVP3026_XGENCTRL_HSYNC_POS | TVP3026_XGENCTRL_VSYNC_POS | TVP3026_XGENCTRL_LITTLE_ENDIAN | TVP3026_XGENCTRL_BLACK_0IRE | TVP3026_XGENCTRL_NO_SYNC_ON_GREEN | TVP3026_XGENCTRL_OVERSCAN_DIS,
274 TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_HIGH,
275 0x00,
276 0x1E,
277 0xFF, 0xFF, 0xFF, 0xFF,
278 0xFF, 0xFF, 0xFF, 0xFF,
279 TVP3026_XCOLKEYCTRL_ZOOM1,
280 0x00, 0x00, TVP3026_XCURCTRL_DIS };
281
282 static int Ti3026_calcclock(const struct matrox_fb_info *minfo,
283 unsigned int freq, unsigned int fmax, int *in,
284 int *feed, int *post)
285 {
286 unsigned int fvco;
287 unsigned int lin, lfeed, lpost;
288
289 DBG(__func__)
290
291 fvco = PLL_calcclock(minfo, freq, fmax, &lin, &lfeed, &lpost);
292 fvco >>= (*post = lpost);
293 *in = 64 - lin;
294 *feed = 64 - lfeed;
295 return fvco;
296 }
297
298 static int Ti3026_setpclk(struct matrox_fb_info *minfo, int clk)
299 {
300 unsigned int f_pll;
301 unsigned int pixfeed, pixin, pixpost;
302 struct matrox_hw_state *hw = &minfo->hw;
303
304 DBG(__func__)
305
306 f_pll = Ti3026_calcclock(minfo, clk, minfo->max_pixel_clock, &pixin, &pixfeed, &pixpost);
307
308 hw->DACclk[0] = pixin | 0xC0;
309 hw->DACclk[1] = pixfeed;
310 hw->DACclk[2] = pixpost | 0xB0;
311
312 {
313 unsigned int loopfeed, loopin, looppost, loopdiv, z;
314 unsigned int Bpp;
315
316 Bpp = minfo->curr.final_bppShift;
317
318 if (minfo->fbcon.var.bits_per_pixel == 24) {
319 loopfeed = 3; /* set lm to any possible value */
320 loopin = 3 * 32 / Bpp;
321 } else {
322 loopfeed = 4;
323 loopin = 4 * 32 / Bpp;
324 }
325 z = (110000 * loopin) / (f_pll * loopfeed);
326 loopdiv = 0; /* div 2 */
327 if (z < 2)
328 looppost = 0;
329 else if (z < 4)
330 looppost = 1;
331 else if (z < 8)
332 looppost = 2;
333 else {
334 looppost = 3;
335 loopdiv = z/16;
336 }
337 if (minfo->fbcon.var.bits_per_pixel == 24) {
338 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
339 hw->DACclk[4] = (65 - loopfeed) | 0x80;
340 if (minfo->accel.ramdac_rev > 0x20) {
341 if (isInterleave(minfo))
342 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_8_3;
343 else {
344 hw->DACclk[4] &= ~0xC0;
345 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_4_3;
346 }
347 } else {
348 if (isInterleave(minfo))
349 ; /* default... */
350 else {
351 hw->DACclk[4] ^= 0xC0; /* change from 0x80 to 0x40 */
352 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026A_XLATCHCTRL_4_3;
353 }
354 }
355 hw->DACclk[5] = looppost | 0xF8;
356 if (minfo->devflags.mga_24bpp_fix)
357 hw->DACclk[5] ^= 0x40;
358 } else {
359 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
360 hw->DACclk[4] = 65 - loopfeed;
361 hw->DACclk[5] = looppost | 0xF0;
362 }
363 hw->DACreg[POS3026_XMEMPLLCTRL] = loopdiv | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL;
364 }
365 return 0;
366 }
367
368 static int Ti3026_init(struct matrox_fb_info *minfo, struct my_timming *m)
369 {
370 u_int8_t muxctrl = isInterleave(minfo) ? TVP3026_XMUXCTRL_MEMORY_64BIT : TVP3026_XMUXCTRL_MEMORY_32BIT;
371 struct matrox_hw_state *hw = &minfo->hw;
372
373 DBG(__func__)
374
375 memcpy(hw->DACreg, MGADACbpp32, sizeof(hw->DACreg));
376 switch (minfo->fbcon.var.bits_per_pixel) {
377 case 4: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_16_1; /* or _8_1, they are same */
378 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
379 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_4BIT;
380 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV8;
381 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW;
382 break;
383 case 8: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_8_1; /* or _4_1, they are same */
384 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
385 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_8BIT;
386 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
387 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW;
388 break;
389 case 16:
390 /* XLATCHCTRL should be _4_1 / _2_1... Why is not? (_2_1 is used everytime) */
391 hw->DACreg[POS3026_XTRUECOLORCTRL] = (minfo->fbcon.var.green.length == 5) ? (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_1555) : (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_565);
392 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_16BIT;
393 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV2;
394 break;
395 case 24:
396 /* XLATCHCTRL is: for (A) use _4_3 (?_8_3 is same? TBD), for (B) it is set in setpclk */
397 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_888;
398 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
399 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
400 break;
401 case 32:
402 /* XLATCHCTRL should be _2_1 / _1_1... Why is not? (_2_1 is used everytime) */
403 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
404 break;
405 default:
406 return 1; /* TODO: failed */
407 }
408 if (matroxfb_vgaHWinit(minfo, m)) return 1;
409
410 /* set SYNC */
411 hw->MiscOutReg = 0xCB;
412 if (m->sync & FB_SYNC_HOR_HIGH_ACT)
413 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_HSYNC_NEG;
414 if (m->sync & FB_SYNC_VERT_HIGH_ACT)
415 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_VSYNC_NEG;
416 if (m->sync & FB_SYNC_ON_GREEN)
417 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_SYNC_ON_GREEN;
418
419 /* set DELAY */
420 if (minfo->video.len < 0x400000)
421 hw->CRTCEXT[3] |= 0x08;
422 else if (minfo->video.len > 0x400000)
423 hw->CRTCEXT[3] |= 0x10;
424
425 /* set HWCURSOR */
426 if (m->interlaced) {
427 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_INTERLACED;
428 }
429 if (m->HTotal >= 1536)
430 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_BLANK4096;
431
432 /* set interleaving */
433 hw->MXoptionReg &= ~0x00001000;
434 if (isInterleave(minfo)) hw->MXoptionReg |= 0x00001000;
435
436 /* set DAC */
437 Ti3026_setpclk(minfo, m->pixclock);
438 return 0;
439 }
440
441 static void ti3026_setMCLK(struct matrox_fb_info *minfo, int fout)
442 {
443 unsigned int f_pll;
444 unsigned int pclk_m, pclk_n, pclk_p;
445 unsigned int mclk_m, mclk_n, mclk_p;
446 unsigned int rfhcnt, mclk_ctl;
447 int tmout;
448
449 DBG(__func__)
450
451 f_pll = Ti3026_calcclock(minfo, fout, minfo->max_pixel_clock, &mclk_n, &mclk_m, &mclk_p);
452
453 /* save pclk */
454 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
455 pclk_n = inTi3026(minfo, TVP3026_XPIXPLLDATA);
456 outTi3026(minfo, TVP3026_XPLLADDR, 0xFD);
457 pclk_m = inTi3026(minfo, TVP3026_XPIXPLLDATA);
458 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
459 pclk_p = inTi3026(minfo, TVP3026_XPIXPLLDATA);
460
461 /* stop pclk */
462 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
463 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
464
465 /* set pclk to new mclk */
466 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
467 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_n | 0xC0);
468 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_m);
469 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_p | 0xB0);
470
471 /* wait for PLL to lock */
472 for (tmout = 500000; tmout; tmout--) {
473 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
474 break;
475 udelay(10);
476 };
477 if (!tmout)
478 printk(KERN_ERR "matroxfb: Temporary pixel PLL not locked after 5 secs\n");
479
480 /* output pclk on mclk pin */
481 mclk_ctl = inTi3026(minfo, TVP3026_XMEMPLLCTRL);
482 outTi3026(minfo, TVP3026_XMEMPLLCTRL, mclk_ctl & 0xE7);
483 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_STROBEMKC4);
484
485 /* stop MCLK */
486 outTi3026(minfo, TVP3026_XPLLADDR, 0xFB);
487 outTi3026(minfo, TVP3026_XMEMPLLDATA, 0x00);
488
489 /* set mclk to new freq */
490 outTi3026(minfo, TVP3026_XPLLADDR, 0xF3);
491 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_n | 0xC0);
492 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_m);
493 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_p | 0xB0);
494
495 /* wait for PLL to lock */
496 for (tmout = 500000; tmout; tmout--) {
497 if (inTi3026(minfo, TVP3026_XMEMPLLDATA) & 0x40)
498 break;
499 udelay(10);
500 }
501 if (!tmout)
502 printk(KERN_ERR "matroxfb: Memory PLL not locked after 5 secs\n");
503
504 f_pll = f_pll * 333 / (10000 << mclk_p);
505 if (isMilleniumII(minfo)) {
506 rfhcnt = (f_pll - 128) / 256;
507 if (rfhcnt > 15)
508 rfhcnt = 15;
509 } else {
510 rfhcnt = (f_pll - 64) / 128;
511 if (rfhcnt > 15)
512 rfhcnt = 0;
513 }
514 minfo->hw.MXoptionReg = (minfo->hw.MXoptionReg & ~0x000F0000) | (rfhcnt << 16);
515 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
516
517 /* output MCLK to MCLK pin */
518 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
519 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl ) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_STROBEMKC4);
520
521 /* stop PCLK */
522 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
523 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
524
525 /* restore pclk */
526 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
527 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_n);
528 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_m);
529 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_p);
530
531 /* wait for PLL to lock */
532 for (tmout = 500000; tmout; tmout--) {
533 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
534 break;
535 udelay(10);
536 }
537 if (!tmout)
538 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
539 }
540
541 static void ti3026_ramdac_init(struct matrox_fb_info *minfo)
542 {
543 DBG(__func__)
544
545 minfo->features.pll.vco_freq_min = 110000;
546 minfo->features.pll.ref_freq = 114545;
547 minfo->features.pll.feed_div_min = 2;
548 minfo->features.pll.feed_div_max = 24;
549 minfo->features.pll.in_div_min = 2;
550 minfo->features.pll.in_div_max = 63;
551 minfo->features.pll.post_shift_max = 3;
552 if (minfo->devflags.noinit)
553 return;
554 ti3026_setMCLK(minfo, 60000);
555 }
556
557 static void Ti3026_restore(struct matrox_fb_info *minfo)
558 {
559 int i;
560 unsigned char progdac[6];
561 struct matrox_hw_state *hw = &minfo->hw;
562 CRITFLAGS
563
564 DBG(__func__)
565
566 #ifdef DEBUG
567 dprintk(KERN_INFO "EXTVGA regs: ");
568 for (i = 0; i < 6; i++)
569 dprintk("%02X:", hw->CRTCEXT[i]);
570 dprintk("\n");
571 #endif
572
573 CRITBEGIN
574
575 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
576
577 CRITEND
578
579 matroxfb_vgaHWrestore(minfo);
580
581 CRITBEGIN
582
583 minfo->crtc1.panpos = -1;
584 for (i = 0; i < 6; i++)
585 mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]);
586
587 for (i = 0; i < 21; i++) {
588 outTi3026(minfo, DACseq[i], hw->DACreg[i]);
589 }
590
591 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
592 progdac[0] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
593 progdac[3] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
594 outTi3026(minfo, TVP3026_XPLLADDR, 0x15);
595 progdac[1] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
596 progdac[4] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
597 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
598 progdac[2] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
599 progdac[5] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
600
601 CRITEND
602 if (memcmp(hw->DACclk, progdac, 6)) {
603 /* agrhh... setting up PLL is very slow on Millennium... */
604 /* Mystique PLL is locked in few ms, but Millennium PLL lock takes about 0.15 s... */
605 /* Maybe even we should call schedule() ? */
606
607 CRITBEGIN
608 outTi3026(minfo, TVP3026_XCLKCTRL, hw->DACreg[POS3026_XCLKCTRL]);
609 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
610 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0);
611 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0);
612
613 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
614 for (i = 0; i < 3; i++)
615 outTi3026(minfo, TVP3026_XPIXPLLDATA, hw->DACclk[i]);
616 /* wait for PLL only if PLL clock requested (always for PowerMode, never for VGA) */
617 if (hw->MiscOutReg & 0x08) {
618 int tmout;
619 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F);
620 for (tmout = 500000; tmout; --tmout) {
621 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
622 break;
623 udelay(10);
624 }
625
626 CRITEND
627
628 if (!tmout)
629 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
630 else
631 dprintk(KERN_INFO "PixelPLL: %d\n", 500000-tmout);
632 CRITBEGIN
633 }
634 outTi3026(minfo, TVP3026_XMEMPLLCTRL, hw->DACreg[POS3026_XMEMPLLCTRL]);
635 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
636 for (i = 3; i < 6; i++)
637 outTi3026(minfo, TVP3026_XLOOPPLLDATA, hw->DACclk[i]);
638 CRITEND
639 if ((hw->MiscOutReg & 0x08) && ((hw->DACclk[5] & 0x80) == 0x80)) {
640 int tmout;
641
642 CRITBEGIN
643 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F);
644 for (tmout = 500000; tmout; --tmout) {
645 if (inTi3026(minfo, TVP3026_XLOOPPLLDATA) & 0x40)
646 break;
647 udelay(10);
648 }
649 CRITEND
650 if (!tmout)
651 printk(KERN_ERR "matroxfb: Loop PLL not locked after 5 secs\n");
652 else
653 dprintk(KERN_INFO "LoopPLL: %d\n", 500000-tmout);
654 }
655 }
656
657 #ifdef DEBUG
658 dprintk(KERN_DEBUG "3026DACregs ");
659 for (i = 0; i < 21; i++) {
660 dprintk("R%02X=%02X ", DACseq[i], hw->DACreg[i]);
661 if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... ");
662 }
663 dprintk(KERN_DEBUG "DACclk ");
664 for (i = 0; i < 6; i++)
665 dprintk("C%02X=%02X ", i, hw->DACclk[i]);
666 dprintk("\n");
667 #endif
668 }
669
670 static void Ti3026_reset(struct matrox_fb_info *minfo)
671 {
672 DBG(__func__)
673
674 ti3026_ramdac_init(minfo);
675 }
676
677 static struct matrox_altout ti3026_output = {
678 .name = "Primary output",
679 };
680
681 static int Ti3026_preinit(struct matrox_fb_info *minfo)
682 {
683 static const int vxres_mill2[] = { 512, 640, 768, 800, 832, 960,
684 1024, 1152, 1280, 1600, 1664, 1920,
685 2048, 0};
686 static const int vxres_mill1[] = { 640, 768, 800, 960,
687 1024, 1152, 1280, 1600, 1920,
688 2048, 0};
689 struct matrox_hw_state *hw = &minfo->hw;
690
691 DBG(__func__)
692
693 minfo->millenium = 1;
694 minfo->milleniumII = (minfo->pcidev->device != PCI_DEVICE_ID_MATROX_MIL);
695 minfo->capable.cfb4 = 1;
696 minfo->capable.text = 1; /* isMilleniumII(minfo); */
697 minfo->capable.vxres = isMilleniumII(minfo) ? vxres_mill2 : vxres_mill1;
698
699 minfo->outputs[0].data = minfo;
700 minfo->outputs[0].output = &ti3026_output;
701 minfo->outputs[0].src = minfo->outputs[0].default_src;
702 minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR;
703
704 if (minfo->devflags.noinit)
705 return 0;
706 /* preserve VGA I/O, BIOS and PPC */
707 hw->MXoptionReg &= 0xC0000100;
708 hw->MXoptionReg |= 0x002C0000;
709 if (minfo->devflags.novga)
710 hw->MXoptionReg &= ~0x00000100;
711 if (minfo->devflags.nobios)
712 hw->MXoptionReg &= ~0x40000000;
713 if (minfo->devflags.nopciretry)
714 hw->MXoptionReg |= 0x20000000;
715 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
716
717 minfo->accel.ramdac_rev = inTi3026(minfo, TVP3026_XSILICONREV);
718
719 outTi3026(minfo, TVP3026_XCLKCTRL, TVP3026_XCLKCTRL_SRC_CLK0VGA | TVP3026_XCLKCTRL_CLKSTOPPED);
720 outTi3026(minfo, TVP3026_XTRUECOLORCTRL, TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR);
721 outTi3026(minfo, TVP3026_XMUXCTRL, TVP3026_XMUXCTRL_VGA);
722
723 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
724 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0x00);
725 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
726
727 mga_outb(M_MISC_REG, 0x67);
728
729 outTi3026(minfo, TVP3026_XMEMPLLCTRL, TVP3026_XMEMPLLCTRL_STROBEMKC4 | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
730
731 mga_outl(M_RESET, 1);
732 udelay(250);
733 mga_outl(M_RESET, 0);
734 udelay(250);
735 mga_outl(M_MACCESS, 0x00008000);
736 udelay(10);
737 return 0;
738 }
739
740 struct matrox_switch matrox_millennium = {
741 Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore
742 };
743 EXPORT_SYMBOL(matrox_millennium);
744 #endif
745 MODULE_LICENSE("GPL");