1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 *
4 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
5 *
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
7 *
8 * Portions Copyright (c) 2001 Matrox Graphics Inc.
9 *
10 * Version: 1.65 2002/08/14
11 *
12 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
13 *
14 * Contributors: "menion?" <menion@mindless.com>
15 * Betatesting, fixes, ideas
16 *
17 * "Kurt Garloff" <garloff@suse.de>
18 * Betatesting, fixes, ideas, videomodes, videomodes timmings
19 *
20 * "Tom Rini" <trini@kernel.crashing.org>
21 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
22 *
23 * "Bibek Sahu" <scorpio@dodds.net>
24 * Access device through readb|w|l and write b|w|l
25 * Extensive debugging stuff
26 *
27 * "Daniel Haun" <haund@usa.net>
28 * Testing, hardware cursor fixes
29 *
30 * "Scott Wood" <sawst46+@pitt.edu>
31 * Fixes
32 *
33 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
34 * Betatesting
35 *
36 * "Kelly French" <targon@hazmat.com>
37 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
38 * Betatesting, bug reporting
39 *
40 * "Pablo Bianucci" <pbian@pccp.com.ar>
41 * Fixes, ideas, betatesting
42 *
43 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
44 * Fixes, enhandcements, ideas, betatesting
45 *
46 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
47 * PPC betatesting, PPC support, backward compatibility
48 *
49 * "Paul Womar" <Paul@pwomar.demon.co.uk>
50 * "Owen Waller" <O.Waller@ee.qub.ac.uk>
51 * PPC betatesting
52 *
53 * "Thomas Pornin" <pornin@bolet.ens.fr>
54 * Alpha betatesting
55 *
56 * "Pieter van Leuven" <pvl@iae.nl>
57 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
58 * G100 testing
59 *
60 * "H. Peter Arvin" <hpa@transmeta.com>
61 * Ideas
62 *
63 * "Cort Dougan" <cort@cs.nmt.edu>
64 * CHRP fixes and PReP cleanup
65 *
66 * "Mark Vojkovich" <mvojkovi@ucsd.edu>
67 * G400 support
68 *
69 * (following author is not in any relation with this code, but his code
70 * is included in this driver)
71 *
72 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
73 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
74 *
75 * (following author is not in any relation with this code, but his ideas
76 * were used when writing this driver)
77 *
78 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
79 *
80 */
81
82
83 #include "matroxfb_Ti3026.h"
84 #include "matroxfb_misc.h"
85 #include "matroxfb_accel.h"
86 #include <linux/matroxfb.h>
87
88 #ifdef CONFIG_FB_MATROX_MILLENIUM
89 #define outTi3026 matroxfb_DAC_out
90 #define inTi3026 matroxfb_DAC_in
91
92 #define TVP3026_INDEX 0x00
93 #define TVP3026_PALWRADD 0x00
94 #define TVP3026_PALDATA 0x01
95 #define TVP3026_PIXRDMSK 0x02
96 #define TVP3026_PALRDADD 0x03
97 #define TVP3026_CURCOLWRADD 0x04
98 #define TVP3026_CLOVERSCAN 0x00
99 #define TVP3026_CLCOLOR0 0x01
100 #define TVP3026_CLCOLOR1 0x02
101 #define TVP3026_CLCOLOR2 0x03
102 #define TVP3026_CURCOLDATA 0x05
103 #define TVP3026_CURCOLRDADD 0x07
104 #define TVP3026_CURCTRL 0x09
105 #define TVP3026_X_DATAREG 0x0A
106 #define TVP3026_CURRAMDATA 0x0B
107 #define TVP3026_CURPOSXL 0x0C
108 #define TVP3026_CURPOSXH 0x0D
109 #define TVP3026_CURPOSYL 0x0E
110 #define TVP3026_CURPOSYH 0x0F
111
112 #define TVP3026_XSILICONREV 0x01
113 #define TVP3026_XCURCTRL 0x06
114 #define TVP3026_XCURCTRL_DIS 0x00 /* transparent, transparent, transparent, transparent */
115 #define TVP3026_XCURCTRL_3COLOR 0x01 /* transparent, 0, 1, 2 */
116 #define TVP3026_XCURCTRL_XGA 0x02 /* 0, 1, transparent, complement */
117 #define TVP3026_XCURCTRL_XWIN 0x03 /* transparent, transparent, 0, 1 */
118 #define TVP3026_XCURCTRL_BLANK2048 0x00
119 #define TVP3026_XCURCTRL_BLANK4096 0x10
120 #define TVP3026_XCURCTRL_INTERLACED 0x20
121 #define TVP3026_XCURCTRL_ODD 0x00 /* ext.signal ODD/\EVEN */
122 #define TVP3026_XCURCTRL_EVEN 0x40 /* ext.signal EVEN/\ODD */
123 #define TVP3026_XCURCTRL_INDIRECT 0x00
124 #define TVP3026_XCURCTRL_DIRECT 0x80
125 #define TVP3026_XLATCHCTRL 0x0F
126 #define TVP3026_XLATCHCTRL_1_1 0x06
127 #define TVP3026_XLATCHCTRL_2_1 0x07
128 #define TVP3026_XLATCHCTRL_4_1 0x06
129 #define TVP3026_XLATCHCTRL_8_1 0x06
130 #define TVP3026_XLATCHCTRL_16_1 0x06
131 #define TVP3026A_XLATCHCTRL_4_3 0x06 /* ??? do not understand... but it works... !!! */
132 #define TVP3026A_XLATCHCTRL_8_3 0x07
133 #define TVP3026B_XLATCHCTRL_4_3 0x08
134 #define TVP3026B_XLATCHCTRL_8_3 0x06 /* ??? do not understand... but it works... !!! */
135 #define TVP3026_XTRUECOLORCTRL 0x18
136 #define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_ACCEL 0x00
137 #define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_TVP 0x20
138 #define TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR 0x80
139 #define TVP3026_XTRUECOLORCTRL_TRUECOLOR 0x40 /* paletized */
140 #define TVP3026_XTRUECOLORCTRL_DIRECTCOLOR 0x00
141 #define TVP3026_XTRUECOLORCTRL_24_ALTERNATE 0x08 /* 5:4/5:2 instead of 4:3/8:3 */
142 #define TVP3026_XTRUECOLORCTRL_RGB_888 0x16 /* 4:3/8:3 (or 5:4/5:2) */
143 #define TVP3026_XTRUECOLORCTRL_BGR_888 0x17
144 #define TVP3026_XTRUECOLORCTRL_ORGB_8888 0x06
145 #define TVP3026_XTRUECOLORCTRL_BGRO_8888 0x07
146 #define TVP3026_XTRUECOLORCTRL_RGB_565 0x05
147 #define TVP3026_XTRUECOLORCTRL_ORGB_1555 0x04
148 #define TVP3026_XTRUECOLORCTRL_RGB_664 0x03
149 #define TVP3026_XTRUECOLORCTRL_RGBO_4444 0x01
150 #define TVP3026_XMUXCTRL 0x19
151 #define TVP3026_XMUXCTRL_MEMORY_8BIT 0x01 /* - */
152 #define TVP3026_XMUXCTRL_MEMORY_16BIT 0x02 /* - */
153 #define TVP3026_XMUXCTRL_MEMORY_32BIT 0x03 /* 2MB RAM, 512K * 4 */
154 #define TVP3026_XMUXCTRL_MEMORY_64BIT 0x04 /* >2MB RAM, 512K * 8 & more */
155 #define TVP3026_XMUXCTRL_PIXEL_4BIT 0x40 /* L0,H0,L1,H1... */
156 #define TVP3026_XMUXCTRL_PIXEL_4BIT_SWAPPED 0x60 /* H0,L0,H1,L1... */
157 #define TVP3026_XMUXCTRL_PIXEL_8BIT 0x48
158 #define TVP3026_XMUXCTRL_PIXEL_16BIT 0x50
159 #define TVP3026_XMUXCTRL_PIXEL_32BIT 0x58
160 #define TVP3026_XMUXCTRL_VGA 0x98 /* VGA MEMORY, 8BIT PIXEL */
161 #define TVP3026_XCLKCTRL 0x1A
162 #define TVP3026_XCLKCTRL_DIV1 0x00
163 #define TVP3026_XCLKCTRL_DIV2 0x10
164 #define TVP3026_XCLKCTRL_DIV4 0x20
165 #define TVP3026_XCLKCTRL_DIV8 0x30
166 #define TVP3026_XCLKCTRL_DIV16 0x40
167 #define TVP3026_XCLKCTRL_DIV32 0x50
168 #define TVP3026_XCLKCTRL_DIV64 0x60
169 #define TVP3026_XCLKCTRL_CLKSTOPPED 0x70
170 #define TVP3026_XCLKCTRL_SRC_CLK0 0x00
171 #define TVP3026_XCLKCTRL_SRC_CLK1 0x01
172 #define TVP3026_XCLKCTRL_SRC_CLK2 0x02 /* CLK2 is TTL source*/
173 #define TVP3026_XCLKCTRL_SRC_NCLK2 0x03 /* not CLK2 is TTL source */
174 #define TVP3026_XCLKCTRL_SRC_ECLK2 0x04 /* CLK2 and not CLK2 is ECL source */
175 #define TVP3026_XCLKCTRL_SRC_PLL 0x05
176 #define TVP3026_XCLKCTRL_SRC_DIS 0x06 /* disable & poweroff internal clock */
177 #define TVP3026_XCLKCTRL_SRC_CLK0VGA 0x07
178 #define TVP3026_XPALETTEPAGE 0x1C
179 #define TVP3026_XGENCTRL 0x1D
180 #define TVP3026_XGENCTRL_HSYNC_POS 0x00
181 #define TVP3026_XGENCTRL_HSYNC_NEG 0x01
182 #define TVP3026_XGENCTRL_VSYNC_POS 0x00
183 #define TVP3026_XGENCTRL_VSYNC_NEG 0x02
184 #define TVP3026_XGENCTRL_LITTLE_ENDIAN 0x00
185 #define TVP3026_XGENCTRL_BIG_ENDIAN 0x08
186 #define TVP3026_XGENCTRL_BLACK_0IRE 0x00
187 #define TVP3026_XGENCTRL_BLACK_75IRE 0x10
188 #define TVP3026_XGENCTRL_NO_SYNC_ON_GREEN 0x00
189 #define TVP3026_XGENCTRL_SYNC_ON_GREEN 0x20
190 #define TVP3026_XGENCTRL_OVERSCAN_DIS 0x00
191 #define TVP3026_XGENCTRL_OVERSCAN_EN 0x40
192 #define TVP3026_XMISCCTRL 0x1E
193 #define TVP3026_XMISCCTRL_DAC_PUP 0x00
194 #define TVP3026_XMISCCTRL_DAC_PDOWN 0x01
195 #define TVP3026_XMISCCTRL_DAC_EXT 0x00 /* or 8, bit 3 is ignored */
196 #define TVP3026_XMISCCTRL_DAC_6BIT 0x04
197 #define TVP3026_XMISCCTRL_DAC_8BIT 0x0C
198 #define TVP3026_XMISCCTRL_PSEL_DIS 0x00
199 #define TVP3026_XMISCCTRL_PSEL_EN 0x10
200 #define TVP3026_XMISCCTRL_PSEL_LOW 0x00 /* PSEL high selects directcolor */
201 #define TVP3026_XMISCCTRL_PSEL_HIGH 0x20 /* PSEL high selects truecolor or pseudocolor */
202 #define TVP3026_XGENIOCTRL 0x2A
203 #define TVP3026_XGENIODATA 0x2B
204 #define TVP3026_XPLLADDR 0x2C
205 #define TVP3026_XPLLADDR_X(LOOP,MCLK,PIX) (((LOOP)<<4) | ((MCLK)<<2) | (PIX))
206 #define TVP3026_XPLLDATA_N 0x00
207 #define TVP3026_XPLLDATA_M 0x01
208 #define TVP3026_XPLLDATA_P 0x02
209 #define TVP3026_XPLLDATA_STAT 0x03
210 #define TVP3026_XPIXPLLDATA 0x2D
211 #define TVP3026_XMEMPLLDATA 0x2E
212 #define TVP3026_XLOOPPLLDATA 0x2F
213 #define TVP3026_XCOLKEYOVRMIN 0x30
214 #define TVP3026_XCOLKEYOVRMAX 0x31
215 #define TVP3026_XCOLKEYREDMIN 0x32
216 #define TVP3026_XCOLKEYREDMAX 0x33
217 #define TVP3026_XCOLKEYGREENMIN 0x34
218 #define TVP3026_XCOLKEYGREENMAX 0x35
219 #define TVP3026_XCOLKEYBLUEMIN 0x36
220 #define TVP3026_XCOLKEYBLUEMAX 0x37
221 #define TVP3026_XCOLKEYCTRL 0x38
222 #define TVP3026_XCOLKEYCTRL_OVR_EN 0x01
223 #define TVP3026_XCOLKEYCTRL_RED_EN 0x02
224 #define TVP3026_XCOLKEYCTRL_GREEN_EN 0x04
225 #define TVP3026_XCOLKEYCTRL_BLUE_EN 0x08
226 #define TVP3026_XCOLKEYCTRL_NEGATE 0x10
227 #define TVP3026_XCOLKEYCTRL_ZOOM1 0x00
228 #define TVP3026_XCOLKEYCTRL_ZOOM2 0x20
229 #define TVP3026_XCOLKEYCTRL_ZOOM4 0x40
230 #define TVP3026_XCOLKEYCTRL_ZOOM8 0x60
231 #define TVP3026_XCOLKEYCTRL_ZOOM16 0x80
232 #define TVP3026_XCOLKEYCTRL_ZOOM32 0xA0
233 #define TVP3026_XMEMPLLCTRL 0x39
234 #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 */
235 #define TVP3026_XMEMPLLCTRL_STROBEMKC4 0x08
236 #define TVP3026_XMEMPLLCTRL_MCLK_DOTCLOCK 0x00 /* MKC4 */
237 #define TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL 0x10 /* MKC4 */
238 #define TVP3026_XMEMPLLCTRL_RCLK_PIXPLL 0x00
239 #define TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL 0x20
240 #define TVP3026_XMEMPLLCTRL_RCLK_DOTDIVN 0x40 /* dot clock divided by loop pclk N prescaler */
241 #define TVP3026_XSENSETEST 0x3A
242 #define TVP3026_XTESTMODEDATA 0x3B
243 #define TVP3026_XCRCREML 0x3C
244 #define TVP3026_XCRCREMH 0x3D
245 #define TVP3026_XCRCBITSEL 0x3E
246 #define TVP3026_XID 0x3F
247
248 static const unsigned char DACseq[] =
249 { TVP3026_XLATCHCTRL, TVP3026_XTRUECOLORCTRL,
250 TVP3026_XMUXCTRL, TVP3026_XCLKCTRL,
251 TVP3026_XPALETTEPAGE,
252 TVP3026_XGENCTRL,
253 TVP3026_XMISCCTRL,
254 TVP3026_XGENIOCTRL,
255 TVP3026_XGENIODATA,
256 TVP3026_XCOLKEYOVRMIN, TVP3026_XCOLKEYOVRMAX, TVP3026_XCOLKEYREDMIN, TVP3026_XCOLKEYREDMAX,
257 TVP3026_XCOLKEYGREENMIN, TVP3026_XCOLKEYGREENMAX, TVP3026_XCOLKEYBLUEMIN, TVP3026_XCOLKEYBLUEMAX,
258 TVP3026_XCOLKEYCTRL,
259 TVP3026_XMEMPLLCTRL, TVP3026_XSENSETEST, TVP3026_XCURCTRL };
260
261 #define POS3026_XLATCHCTRL 0
262 #define POS3026_XTRUECOLORCTRL 1
263 #define POS3026_XMUXCTRL 2
264 #define POS3026_XCLKCTRL 3
265 #define POS3026_XGENCTRL 5
266 #define POS3026_XMISCCTRL 6
267 #define POS3026_XMEMPLLCTRL 18
268 #define POS3026_XCURCTRL 20
269
270 static const unsigned char MGADACbpp32[] =
271 { TVP3026_XLATCHCTRL_2_1, TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_8888,
272 0x00, TVP3026_XCLKCTRL_DIV1 | TVP3026_XCLKCTRL_SRC_PLL,
273 0x00,
274 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,
275 TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_HIGH,
276 0x00,
277 0x1E,
278 0xFF, 0xFF, 0xFF, 0xFF,
279 0xFF, 0xFF, 0xFF, 0xFF,
280 TVP3026_XCOLKEYCTRL_ZOOM1,
281 0x00, 0x00, TVP3026_XCURCTRL_DIS };
282
Ti3026_calcclock(const struct matrox_fb_info * minfo,unsigned int freq,unsigned int fmax,int * in,int * feed,int * post)283 static int Ti3026_calcclock(const struct matrox_fb_info *minfo,
284 unsigned int freq, unsigned int fmax, int *in,
285 int *feed, int *post)
286 {
287 unsigned int fvco;
288 unsigned int lin, lfeed, lpost;
289
290 DBG(__func__)
291
292 fvco = PLL_calcclock(minfo, freq, fmax, &lin, &lfeed, &lpost);
293 fvco >>= (*post = lpost);
294 *in = 64 - lin;
295 *feed = 64 - lfeed;
296 return fvco;
297 }
298
Ti3026_setpclk(struct matrox_fb_info * minfo,int clk)299 static int Ti3026_setpclk(struct matrox_fb_info *minfo, int clk)
300 {
301 unsigned int f_pll;
302 unsigned int pixfeed, pixin, pixpost;
303 struct matrox_hw_state *hw = &minfo->hw;
304
305 DBG(__func__)
306
307 f_pll = Ti3026_calcclock(minfo, clk, minfo->max_pixel_clock, &pixin, &pixfeed, &pixpost);
308
309 hw->DACclk[0] = pixin | 0xC0;
310 hw->DACclk[1] = pixfeed;
311 hw->DACclk[2] = pixpost | 0xB0;
312
313 {
314 unsigned int loopfeed, loopin, looppost, loopdiv, z;
315 unsigned int Bpp;
316
317 Bpp = minfo->curr.final_bppShift;
318
319 if (minfo->fbcon.var.bits_per_pixel == 24) {
320 loopfeed = 3; /* set lm to any possible value */
321 loopin = 3 * 32 / Bpp;
322 } else {
323 loopfeed = 4;
324 loopin = 4 * 32 / Bpp;
325 }
326 z = (110000 * loopin) / (f_pll * loopfeed);
327 loopdiv = 0; /* div 2 */
328 if (z < 2)
329 looppost = 0;
330 else if (z < 4)
331 looppost = 1;
332 else if (z < 8)
333 looppost = 2;
334 else {
335 looppost = 3;
336 loopdiv = z/16;
337 }
338 if (minfo->fbcon.var.bits_per_pixel == 24) {
339 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
340 hw->DACclk[4] = (65 - loopfeed) | 0x80;
341 if (minfo->accel.ramdac_rev > 0x20) {
342 if (isInterleave(minfo))
343 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_8_3;
344 else {
345 hw->DACclk[4] &= ~0xC0;
346 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_4_3;
347 }
348 } else {
349 if (isInterleave(minfo))
350 ; /* default... */
351 else {
352 hw->DACclk[4] ^= 0xC0; /* change from 0x80 to 0x40 */
353 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026A_XLATCHCTRL_4_3;
354 }
355 }
356 hw->DACclk[5] = looppost | 0xF8;
357 if (minfo->devflags.mga_24bpp_fix)
358 hw->DACclk[5] ^= 0x40;
359 } else {
360 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
361 hw->DACclk[4] = 65 - loopfeed;
362 hw->DACclk[5] = looppost | 0xF0;
363 }
364 hw->DACreg[POS3026_XMEMPLLCTRL] = loopdiv | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL;
365 }
366 return 0;
367 }
368
Ti3026_init(struct matrox_fb_info * minfo,struct my_timming * m)369 static int Ti3026_init(struct matrox_fb_info *minfo, struct my_timming *m)
370 {
371 u_int8_t muxctrl = isInterleave(minfo) ? TVP3026_XMUXCTRL_MEMORY_64BIT : TVP3026_XMUXCTRL_MEMORY_32BIT;
372 struct matrox_hw_state *hw = &minfo->hw;
373
374 DBG(__func__)
375
376 memcpy(hw->DACreg, MGADACbpp32, sizeof(MGADACbpp32));
377 switch (minfo->fbcon.var.bits_per_pixel) {
378 case 4: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_16_1; /* or _8_1, they are same */
379 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
380 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_4BIT;
381 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV8;
382 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW;
383 break;
384 case 8: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_8_1; /* or _4_1, they are same */
385 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
386 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_8BIT;
387 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
388 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW;
389 break;
390 case 16:
391 /* XLATCHCTRL should be _4_1 / _2_1... Why is not? (_2_1 is used every time) */
392 hw->DACreg[POS3026_XTRUECOLORCTRL] = (minfo->fbcon.var.green.length == 5) ? (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_1555) : (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_565);
393 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_16BIT;
394 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV2;
395 break;
396 case 24:
397 /* XLATCHCTRL is: for (A) use _4_3 (?_8_3 is same? TBD), for (B) it is set in setpclk */
398 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_888;
399 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
400 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
401 break;
402 case 32:
403 /* XLATCHCTRL should be _2_1 / _1_1... Why is not? (_2_1 is used every time) */
404 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
405 break;
406 default:
407 return 1; /* TODO: failed */
408 }
409 if (matroxfb_vgaHWinit(minfo, m)) return 1;
410
411 /* set SYNC */
412 hw->MiscOutReg = 0xCB;
413 if (m->sync & FB_SYNC_HOR_HIGH_ACT)
414 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_HSYNC_NEG;
415 if (m->sync & FB_SYNC_VERT_HIGH_ACT)
416 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_VSYNC_NEG;
417 if (m->sync & FB_SYNC_ON_GREEN)
418 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_SYNC_ON_GREEN;
419
420 /* set DELAY */
421 if (minfo->video.len < 0x400000)
422 hw->CRTCEXT[3] |= 0x08;
423 else if (minfo->video.len > 0x400000)
424 hw->CRTCEXT[3] |= 0x10;
425
426 /* set HWCURSOR */
427 if (m->interlaced) {
428 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_INTERLACED;
429 }
430 if (m->HTotal >= 1536)
431 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_BLANK4096;
432
433 /* set interleaving */
434 hw->MXoptionReg &= ~0x00001000;
435 if (isInterleave(minfo)) hw->MXoptionReg |= 0x00001000;
436
437 /* set DAC */
438 Ti3026_setpclk(minfo, m->pixclock);
439 return 0;
440 }
441
ti3026_setMCLK(struct matrox_fb_info * minfo,int fout)442 static void ti3026_setMCLK(struct matrox_fb_info *minfo, int fout)
443 {
444 unsigned int f_pll;
445 unsigned int pclk_m, pclk_n, pclk_p;
446 unsigned int mclk_m, mclk_n, mclk_p;
447 unsigned int rfhcnt, mclk_ctl;
448 int tmout;
449
450 DBG(__func__)
451
452 f_pll = Ti3026_calcclock(minfo, fout, minfo->max_pixel_clock, &mclk_n, &mclk_m, &mclk_p);
453
454 /* save pclk */
455 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
456 pclk_n = inTi3026(minfo, TVP3026_XPIXPLLDATA);
457 outTi3026(minfo, TVP3026_XPLLADDR, 0xFD);
458 pclk_m = inTi3026(minfo, TVP3026_XPIXPLLDATA);
459 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
460 pclk_p = inTi3026(minfo, TVP3026_XPIXPLLDATA);
461
462 /* stop pclk */
463 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
464 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
465
466 /* set pclk to new mclk */
467 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
468 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_n | 0xC0);
469 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_m);
470 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_p | 0xB0);
471
472 /* wait for PLL to lock */
473 for (tmout = 500000; tmout; tmout--) {
474 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
475 break;
476 udelay(10);
477 }
478 if (!tmout)
479 printk(KERN_ERR "matroxfb: Temporary pixel PLL not locked after 5 secs\n");
480
481 /* output pclk on mclk pin */
482 mclk_ctl = inTi3026(minfo, TVP3026_XMEMPLLCTRL);
483 outTi3026(minfo, TVP3026_XMEMPLLCTRL, mclk_ctl & 0xE7);
484 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_STROBEMKC4);
485
486 /* stop MCLK */
487 outTi3026(minfo, TVP3026_XPLLADDR, 0xFB);
488 outTi3026(minfo, TVP3026_XMEMPLLDATA, 0x00);
489
490 /* set mclk to new freq */
491 outTi3026(minfo, TVP3026_XPLLADDR, 0xF3);
492 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_n | 0xC0);
493 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_m);
494 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_p | 0xB0);
495
496 /* wait for PLL to lock */
497 for (tmout = 500000; tmout; tmout--) {
498 if (inTi3026(minfo, TVP3026_XMEMPLLDATA) & 0x40)
499 break;
500 udelay(10);
501 }
502 if (!tmout)
503 printk(KERN_ERR "matroxfb: Memory PLL not locked after 5 secs\n");
504
505 f_pll = f_pll * 333 / (10000 << mclk_p);
506 if (isMilleniumII(minfo)) {
507 rfhcnt = (f_pll - 128) / 256;
508 if (rfhcnt > 15)
509 rfhcnt = 15;
510 } else {
511 rfhcnt = (f_pll - 64) / 128;
512 if (rfhcnt > 15)
513 rfhcnt = 0;
514 }
515 minfo->hw.MXoptionReg = (minfo->hw.MXoptionReg & ~0x000F0000) | (rfhcnt << 16);
516 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg);
517
518 /* output MCLK to MCLK pin */
519 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
520 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl ) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_STROBEMKC4);
521
522 /* stop PCLK */
523 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE);
524 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
525
526 /* restore pclk */
527 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC);
528 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_n);
529 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_m);
530 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_p);
531
532 /* wait for PLL to lock */
533 for (tmout = 500000; tmout; tmout--) {
534 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
535 break;
536 udelay(10);
537 }
538 if (!tmout)
539 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
540 }
541
ti3026_ramdac_init(struct matrox_fb_info * minfo)542 static void ti3026_ramdac_init(struct matrox_fb_info *minfo)
543 {
544 DBG(__func__)
545
546 minfo->features.pll.vco_freq_min = 110000;
547 minfo->features.pll.ref_freq = 114545;
548 minfo->features.pll.feed_div_min = 2;
549 minfo->features.pll.feed_div_max = 24;
550 minfo->features.pll.in_div_min = 2;
551 minfo->features.pll.in_div_max = 63;
552 minfo->features.pll.post_shift_max = 3;
553 if (minfo->devflags.noinit)
554 return;
555 ti3026_setMCLK(minfo, 60000);
556 }
557
Ti3026_restore(struct matrox_fb_info * minfo)558 static void Ti3026_restore(struct matrox_fb_info *minfo)
559 {
560 int i;
561 unsigned char progdac[6];
562 struct matrox_hw_state *hw = &minfo->hw;
563 CRITFLAGS
564
565 DBG(__func__)
566
567 #ifdef DEBUG
568 dprintk(KERN_INFO "EXTVGA regs: ");
569 for (i = 0; i < 6; i++)
570 dprintk("%02X:", hw->CRTCEXT[i]);
571 dprintk("\n");
572 #endif
573
574 CRITBEGIN
575
576 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
577
578 CRITEND
579
580 matroxfb_vgaHWrestore(minfo);
581
582 CRITBEGIN
583
584 minfo->crtc1.panpos = -1;
585 for (i = 0; i < 6; i++)
586 mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]);
587
588 for (i = 0; i < 21; i++) {
589 outTi3026(minfo, DACseq[i], hw->DACreg[i]);
590 }
591
592 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
593 progdac[0] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
594 progdac[3] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
595 outTi3026(minfo, TVP3026_XPLLADDR, 0x15);
596 progdac[1] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
597 progdac[4] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
598 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
599 progdac[2] = inTi3026(minfo, TVP3026_XPIXPLLDATA);
600 progdac[5] = inTi3026(minfo, TVP3026_XLOOPPLLDATA);
601
602 CRITEND
603 if (memcmp(hw->DACclk, progdac, 6)) {
604 /* agrhh... setting up PLL is very slow on Millennium... */
605 /* Mystique PLL is locked in few ms, but Millennium PLL lock takes about 0.15 s... */
606 /* Maybe even we should call schedule() ? */
607
608 CRITBEGIN
609 outTi3026(minfo, TVP3026_XCLKCTRL, hw->DACreg[POS3026_XCLKCTRL]);
610 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
611 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0);
612 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0);
613
614 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
615 for (i = 0; i < 3; i++)
616 outTi3026(minfo, TVP3026_XPIXPLLDATA, hw->DACclk[i]);
617 /* wait for PLL only if PLL clock requested (always for PowerMode, never for VGA) */
618 if (hw->MiscOutReg & 0x08) {
619 int tmout;
620 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F);
621 for (tmout = 500000; tmout; --tmout) {
622 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40)
623 break;
624 udelay(10);
625 }
626
627 CRITEND
628
629 if (!tmout)
630 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
631 else
632 dprintk(KERN_INFO "PixelPLL: %d\n", 500000-tmout);
633 CRITBEGIN
634 }
635 outTi3026(minfo, TVP3026_XMEMPLLCTRL, hw->DACreg[POS3026_XMEMPLLCTRL]);
636 outTi3026(minfo, TVP3026_XPLLADDR, 0x00);
637 for (i = 3; i < 6; i++)
638 outTi3026(minfo, TVP3026_XLOOPPLLDATA, hw->DACclk[i]);
639 CRITEND
640 if ((hw->MiscOutReg & 0x08) && ((hw->DACclk[5] & 0x80) == 0x80)) {
641 int tmout;
642
643 CRITBEGIN
644 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F);
645 for (tmout = 500000; tmout; --tmout) {
646 if (inTi3026(minfo, TVP3026_XLOOPPLLDATA) & 0x40)
647 break;
648 udelay(10);
649 }
650 CRITEND
651 if (!tmout)
652 printk(KERN_ERR "matroxfb: Loop PLL not locked after 5 secs\n");
653 else
654 dprintk(KERN_INFO "LoopPLL: %d\n", 500000-tmout);
655 }
656 }
657
658 #ifdef DEBUG
659 dprintk(KERN_DEBUG "3026DACregs ");
660 for (i = 0; i < 21; i++) {
661 dprintk("R%02X=%02X ", DACseq[i], hw->DACreg[i]);
662 if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... ");
663 }
664 dprintk(KERN_DEBUG "DACclk ");
665 for (i = 0; i < 6; i++)
666 dprintk("C%02X=%02X ", i, hw->DACclk[i]);
667 dprintk("\n");
668 #endif
669 }
670
Ti3026_reset(struct matrox_fb_info * minfo)671 static void Ti3026_reset(struct matrox_fb_info *minfo)
672 {
673 DBG(__func__)
674
675 ti3026_ramdac_init(minfo);
676 }
677
678 static struct matrox_altout ti3026_output = {
679 .name = "Primary output",
680 };
681
Ti3026_preinit(struct matrox_fb_info * minfo)682 static int Ti3026_preinit(struct matrox_fb_info *minfo)
683 {
684 static const int vxres_mill2[] = { 512, 640, 768, 800, 832, 960,
685 1024, 1152, 1280, 1600, 1664, 1920,
686 2048, 0};
687 static const int vxres_mill1[] = { 640, 768, 800, 960,
688 1024, 1152, 1280, 1600, 1920,
689 2048, 0};
690 struct matrox_hw_state *hw = &minfo->hw;
691
692 DBG(__func__)
693
694 minfo->millenium = 1;
695 minfo->milleniumII = (minfo->pcidev->device != PCI_DEVICE_ID_MATROX_MIL);
696 minfo->capable.cfb4 = 1;
697 minfo->capable.text = 1; /* isMilleniumII(minfo); */
698 minfo->capable.vxres = isMilleniumII(minfo) ? vxres_mill2 : vxres_mill1;
699
700 minfo->outputs[0].data = minfo;
701 minfo->outputs[0].output = &ti3026_output;
702 minfo->outputs[0].src = minfo->outputs[0].default_src;
703 minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR;
704
705 if (minfo->devflags.noinit)
706 return 0;
707 /* preserve VGA I/O, BIOS and PPC */
708 hw->MXoptionReg &= 0xC0000100;
709 hw->MXoptionReg |= 0x002C0000;
710 if (minfo->devflags.novga)
711 hw->MXoptionReg &= ~0x00000100;
712 if (minfo->devflags.nobios)
713 hw->MXoptionReg &= ~0x40000000;
714 if (minfo->devflags.nopciretry)
715 hw->MXoptionReg |= 0x20000000;
716 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg);
717
718 minfo->accel.ramdac_rev = inTi3026(minfo, TVP3026_XSILICONREV);
719
720 outTi3026(minfo, TVP3026_XCLKCTRL, TVP3026_XCLKCTRL_SRC_CLK0VGA | TVP3026_XCLKCTRL_CLKSTOPPED);
721 outTi3026(minfo, TVP3026_XTRUECOLORCTRL, TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR);
722 outTi3026(minfo, TVP3026_XMUXCTRL, TVP3026_XMUXCTRL_VGA);
723
724 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A);
725 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0x00);
726 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00);
727
728 mga_outb(M_MISC_REG, 0x67);
729
730 outTi3026(minfo, TVP3026_XMEMPLLCTRL, TVP3026_XMEMPLLCTRL_STROBEMKC4 | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
731
732 mga_outl(M_RESET, 1);
733 udelay(250);
734 mga_outl(M_RESET, 0);
735 udelay(250);
736 mga_outl(M_MACCESS, 0x00008000);
737 udelay(10);
738 return 0;
739 }
740
741 struct matrox_switch matrox_millennium = {
742 .preinit = Ti3026_preinit,
743 .reset = Ti3026_reset,
744 .init = Ti3026_init,
745 .restore = Ti3026_restore
746 };
747 EXPORT_SYMBOL(matrox_millennium);
748 #endif
749 MODULE_DESCRIPTION("Matrox Millennium output driver");
750 MODULE_LICENSE("GPL");
751